/* roulang page: index */
:root {
            --brand-purple: #7C5CFF;
            --brand-violet: #B44DFF;
            --gradient-a: linear-gradient(135deg, #7C5CFF 0%, #B44DFF 100%);
            --cta-pink: #FF4D8D;
            --cta-orange: #FFA26B;
            --gradient-b: linear-gradient(135deg, #FF4D8D 0%, #FFA26B 100%);
            --page-bg: #F6F5FA;
            --dark-bg: #1E1B2E;
            --darker-bg: #161321;
            --card-white: #FFFFFF;
            --line-light: #E9E5F1;
            --text-dark: #171422;
            --text-body: #302C3C;
            --text-muted: #777184;
            --text-disabled: #B9B5C4;
            --teal: #2EE5C4;
            --amber: #FFB020;
            --radius-xl: 28px;
            --radius-lg: 24px;
            --radius-md: 18px;
            --radius-sm: 12px;
            --shadow-card: 0 8px 30px -12px rgba(28, 18, 50, .14);
            --shadow-hover: 0 24px 44px -18px rgba(84, 24, 128, .3);
            --font-display: 'Plus Jakarta Sans', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background-color: var(--page-bg);
            -webkit-font-smoothing: antialiased;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-display);
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.25;
        }

        p {
            margin: 0 0 1rem;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        a:hover {
            color: inherit;
        }

        img {
            max-width: 100%;
            height: auto;
        }

        .container {
            max-width: 1280px;
        }

        .section {
            padding: 92px 0;
        }

        .section-accent {
            background: var(--card-white);
        }

        .section-head {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 48px;
        }

        .section-head .title-group {
            max-width: 760px;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--brand-purple);
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .eyebrow::before {
            content: "";
            width: 18px;
            height: 2px;
            border-radius: 99px;
            background: var(--gradient-b);
        }

        .section-title {
            font-size: 34px;
            line-height: 1.25;
            letter-spacing: -.5px;
            margin-bottom: 14px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            margin: 0;
            max-width: 640px;
        }

        .grad-text {
            background: var(--gradient-a);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .btn {
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1;
            padding: 14px 28px;
            border: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: all .22s ease;
        }

        .btn-grad {
            background: var(--gradient-b);
            color: #fff;
            box-shadow: 0 10px 28px -10px rgba(255, 77, 141, .65);
        }

        .btn-grad:hover {
            color: #fff;
            filter: brightness(1.06);
            transform: translateY(-2px);
            box-shadow: 0 16px 32px -10px rgba(255, 77, 141, .7);
        }

        .btn-purple {
            background: var(--gradient-a);
            color: #fff;
            box-shadow: 0 10px 28px -12px rgba(124, 92, 255, .8);
        }

        .btn-purple:hover {
            color: #fff;
            filter: brightness(1.08);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            border: 1px solid rgba(255, 255, 255, .5);
            background: rgba(255, 255, 255, .08);
            color: #fff;
            backdrop-filter: blur(8px);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .16);
            border-color: rgba(255, 255, 255, .8);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-dark-ghost {
            border: 1px solid #DFD8EE;
            background: #fff;
            color: var(--text-dark);
        }

        .btn-dark-ghost:hover {
            border-color: var(--brand-purple);
            color: var(--brand-purple);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px -14px rgba(124, 92, 255, .45);
        }

        .link-more {
            font-size: 15px;
            font-weight: 600;
            color: var(--brand-purple);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .link-more i {
            transition: transform .22s ease;
        }

        .link-more:hover i {
            transform: translateX(5px);
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            height: 30px;
            padding: 0 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            background: #F2EFFF;
            color: #6B40F5;
            white-space: nowrap;
        }

        .tag-teal {
            background: rgba(46, 229, 196, .14);
            color: #119C85;
        }

        .tag-amber {
            background: rgba(255, 176, 32, .16);
            color: #BF7110;
        }

        .badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: 999px;
            padding: 5px 14px;
            font-weight: 600;
            font-size: 13px;
            background: rgba(124, 92, 255, .12);
            color: var(--brand-purple);
        }

        .badge-pill i {
            font-size: 12px;
        }

        /* ===== Header / nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1080;
            padding: 0;
            background: rgba(22, 19, 33, .55);
            border-bottom: 1px solid rgba(255, 255, 255, .07);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
        }

        .navbar {
            min-height: 76px;
            padding: 0;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-right: 20px;
            padding: 0;
        }

        .logo-mark {
            width: 40px;
            height: 40px;
            flex: 0 0 40px;
            border-radius: 12px;
            background: var(--gradient-a);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 17px;
            font-family: var(--font-display);
            letter-spacing: 0;
            box-shadow: 0 8px 20px -6px rgba(124, 92, 255, .65);
        }

        .logo-text {
            color: #fff;
            font-family: var(--font-display);
            font-size: 19px;
            font-weight: 700;
            letter-spacing: -.3px;
            white-space: nowrap;
        }

        .logo-text a {
            color: #fff;
        }

        .navbar-nav {
            gap: 4px;
            align-items: center;
        }

        .navbar-nav .nav-link {
            position: relative;
            color: rgba(255, 255, 255, .74);
            font-weight: 500;
            font-size: 14.5px;
            padding: 10px 14px;
            border-radius: 999px;
            white-space: nowrap;
            transition: color .2s ease, background-color .2s ease;
        }

        .navbar-nav .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }

        .navbar-nav .nav-link.active {
            color: #fff;
            font-weight: 600;
        }

        .navbar-nav .nav-link.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 4px;
            height: 2px;
            border-radius: 9px;
            background: var(--gradient-b);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
        }

        .cmd-search {
            display: flex;
            align-items: center;
            gap: 8px;
            height: 38px;
            width: 210px;
            padding: 0 10px 0 13px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 12px;
            color: rgba(255, 255, 255, .5);
            font-size: 13px;
            cursor: text;
        }

        .cmd-search i {
            font-size: 12px;
            color: rgba(255, 255, 255, .55);
        }

        .cmd-search span {
            flex: 1;
            white-space: nowrap;
            overflow: hidden;
        }

        .cmd-search kbd {
            font-family: var(--font-display);
            font-size: 10px;
            color: rgba(255, 255, 255, .72);
            background: rgba(255, 255, 255, .12);
            border-radius: 6px;
            padding: 2px 6px;
        }

        .header-cta {
            height: 40px;
            padding: 0 22px;
            border-radius: 999px;
            background: var(--gradient-b);
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            transition: filter .2s ease, transform .2s ease;
            box-shadow: 0 8px 22px -10px rgba(255, 77, 141, .85);
        }

        .header-cta:hover {
            filter: brightness(1.08);
            transform: translateY(-1px);
            color: #fff;
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, .22);
            padding: 8px 12px;
            border-radius: 10px;
            color: #fff;
            background: transparent;
            box-shadow: none;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(124, 92, 255, .4);
        }

        .navbar-toggler i {
            color: #fff;
            font-size: 18px;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 170px 0 120px;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-1.png');
            background-position: center;
            background-size: cover;
            isolation: isolate;
            color: #fff;
        }

        .hero::after {
            content: "";
            position: absolute;
            inset: 0;
            z-index: -1;
            background:
                radial-gradient(720px 390px at 18% 20%, rgba(124, 92, 255, .42), transparent 68%),
                radial-gradient(600px 420px at 86% 88%, rgba(255, 77, 141, .24), transparent 66%),
                linear-gradient(180deg, rgba(22, 19, 33, .70) 0%, rgba(22, 19, 33, .44) 42%, rgba(22, 19, 33, .80) 100%);
        }

        .hero-inner {
            max-width: 860px;
            margin: 0 auto;
            text-align: center;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            padding: 6px 16px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, .22);
            background: rgba(255, 255, 255, .1);
            color: rgba(255, 255, 255, .86);
            font-size: 13px;
            letter-spacing: .05em;
            backdrop-filter: blur(10px);
            margin-bottom: 30px;
        }

        .hero-eyebrow .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--teal);
            box-shadow: 0 0 0 4px rgba(46, 229, 196, .2);
        }

        .hero h1 {
            color: #fff;
            font-size: 50px;
            font-weight: 800;
            line-height: 1.24;
            letter-spacing: -1px;
            margin-bottom: 26px;
        }

        .hero-sub {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .74);
            max-width: 670px;
            margin: 0 auto 38px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
            margin-bottom: 48px;
        }

        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }

        .hero-mark {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            border-radius: 999px;
            padding: 9px 22px 9px 12px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .13);
            backdrop-filter: blur(14px);
            color: rgba(255, 255, 255, .9);
            font-size: 13.5px;
        }

        .hero-mark b {
            font-family: var(--font-display);
            font-size: 20px;
            color: #fff;
            margin-right: 2px;
        }

        .hero-mark .ico {
            width: 38px;
            height: 38px;
            border-radius: 999px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .1);
            font-size: 14px;
            color: #fff;
        }

        .scroll-tip {
            position: absolute;
            bottom: 28px;
            left: 50%;
            transform: translateX(-50%);
            color: rgba(255, 255, 255, .52);
            font-size: 13px;
            display: inline-flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
        }

        .scroll-tip i {
            animation: float-down 2s ease-in-out infinite;
        }

        @keyframes float-down {
            0%,
            100% {
                transform: translateY(0);
                opacity: .7;
            }
            50% {
                transform: translateY(6px);
                opacity: 1;
            }
        }

        /* ===== Feature / guide section ===== */
        .guide-layout {
            display: grid;
            grid-template-columns: 1.02fr .98fr;
            gap: 56px;
            align-items: center;
        }

        .guide-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .guide-step {
            position: relative;
            padding: 0 0 34px 68px;
        }

        .guide-step:not(:last-child)::before {
            content: "";
            position: absolute;
            left: 19px;
            top: 48px;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, #CDBFFE, #F0EBFF);
        }

        .guide-num {
            position: absolute;
            left: 0;
            top: 0;
            width: 40px;
            height: 40px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--gradient-a);
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            font-family: var(--font-display);
            box-shadow: 0 10px 22px -8px rgba(124, 92, 255, .7);
        }

        .guide-step h3 {
            font-size: 19px;
            margin-bottom: 6px;
        }

        .guide-step p {
            font-size: 15px;
            color: var(--text-muted);
            margin: 0;
            max-width: 95%;
        }

        .guide-bottom {
            margin-top: 14px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            padding-left: 68px;
        }

        .media-stage {
            position: relative;
            border-radius: 36px;
            background: #F4F1FA;
            padding: 12px;
            box-shadow: 0 28px 70px -28px rgba(42, 20, 80, .34);
        }

        .media-main {
            border-radius: 28px;
            overflow: hidden;
            position: relative;
        }

        .media-main img {
            width: 100%;
            height: 520px;
            object-fit: cover;
            display: block;
        }

        .media-tag {
            position: absolute;
            top: 18px;
            left: 18px;
            background: rgba(22, 19, 33, .4);
            border: 1px solid rgba(255, 255, 255, .32);
            color: #fff;
            border-radius: 999px;
            padding: 7px 16px;
            font-size: 13px;
            backdrop-filter: blur(12px);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .media-float {
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 18px;
            background: rgba(22, 19, 33, .48);
            border: 1px solid rgba(255, 255, 255, .22);
            border-radius: 22px;
            backdrop-filter: blur(18px);
            padding: 20px 22px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
        }

        .media-float small {
            display: block;
            color: rgba(255, 255, 255, .62);
            font-size: 12px;
            margin-bottom: 2px;
        }

        .media-float strong {
            font-size: 15px;
            font-weight: 600;
        }

        .media-float .fm-icon {
            width: 46px;
            height: 46px;
            flex: 0 0 46px;
            border-radius: 16px;
            background: var(--gradient-b);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 10px 24px -8px rgba(255, 77, 141, .7);
        }

        /* ===== Rewards dark ===== */
        .rewards {
            background-color: var(--darker-bg);
            position: relative;
            overflow: hidden;
        }

        .rewards::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: .07;
            z-index: 0;
        }

        .rewards::after {
            content: "";
            position: absolute;
            top: -20%;
            right: -8%;
            width: 460px;
            height: 460px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(124, 92, 255, .28), transparent 66%);
            z-index: 0;
            pointer-events: none;
        }

        .rewards .container {
            position: relative;
            z-index: 1;
        }

        .rewards .eyebrow {
            color: #AD93FF;
        }

        .rewards .section-title {
            color: #fff;
        }

        .rewards .section-subtitle {
            color: rgba(255, 255, 255, .62);
        }

        .reward-summary {
            display: inline-flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: flex-end;
        }

        .reward-chip {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .13);
            border-radius: 999px;
            padding: 8px 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, .85);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .reward-chip i {
            color: var(--amber);
        }

        .reward-deck {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 20px;
        }

        .reward-card {
            grid-column: span 6;
            background: linear-gradient(145deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .025));
            border: 1px solid rgba(255, 255, 255, .13);
            border-radius: 22px;
            padding: 28px;
            position: relative;
            overflow: hidden;
            transition: transform .24s ease, border-color .24s ease, background-color .24s ease;
        }

        .reward-card:hover {
            transform: translateY(-5px);
            border-color: rgba(255, 255, 255, .32);
            background: linear-gradient(145deg, rgba(255, 255, 255, .12), rgba(255, 255, 255, .04));
        }

        .reward-card.reward-wide {
            grid-column: span 7;
        }

        .reward-card.reward-narrow {
            grid-column: span 5;
        }

        .reward-top {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 22px;
        }

        .reward-ico {
            width: 50px;
            height: 50px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 21px;
            color: #fff;
            background: var(--gradient-a);
            box-shadow: 0 12px 24px -8px rgba(124, 92, 255, .65);
        }

        .reward-card.reward-amber .reward-ico {
            background: var(--gradient-b);
            box-shadow: 0 12px 24px -8px rgba(255, 77, 141, .65);
        }

        .reward-label {
            border-radius: 999px;
            padding: 4px 12px;
            font-size: 12px;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .14);
            color: rgba(255, 255, 255, .78);
        }

        .reward-card h3 {
            font-size: 20px;
            color: #fff;
            margin-bottom: 10px;
        }

        .reward-card p {
            color: rgba(255, 255, 255, .62);
            font-size: 14.5px;
            margin-bottom: 20px;
        }

        .reward-points {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .reward-point {
            flex: 1;
            min-width: 120px;
            background: rgba(255, 255, 255, .06);
            border-radius: 14px;
            padding: 12px 14px;
        }

        .reward-point strong {
            display: block;
            font-size: 21px;
            color: #fff;
            font-family: var(--font-display);
            font-weight: 700;
            line-height: 1.3;
        }

        .reward-point span {
            color: rgba(255, 255, 255, .53);
            font-size: 12.5px;
        }

        /* ===== Task section ===== */
        .task-section {
            background: var(--page-bg);
        }

        .task-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .task-card {
            background: #fff;
            border: 1px solid var(--line-light);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: transform .22s ease, box-shadow .22s ease;
        }

        .task-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .task-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 18px;
        }

        .task-ico {
            width: 46px;
            height: 46px;
            border-radius: 15px;
            background: #F4F0FF;
            color: var(--brand-purple);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .task-progress {
            display: flex;
            gap: 8px;
            align-items: center;
            margin-bottom: 12px;
        }

        .task-percent {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 17px;
            color: var(--brand-purple);
        }

        .progress {
            height: 9px;
            border-radius: 99px;
            background: #EDE9F4;
            overflow: hidden;
            margin-top: 16px;
        }

        .progress-bar {
            background: var(--gradient-a);
            border-radius: 99px;
        }

        .task-card.done .progress-bar {
            background: linear-gradient(90deg, #2EE5C4, #25C8AB);
        }

        .task-card h3 {
            font-size: 17px;
            margin-bottom: 6px;
        }

        .task-card p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .task-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
        }

        .btn-task {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 34px;
            padding: 0 16px;
            background: var(--brand-purple);
            color: #fff;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            transition: background .2s ease;
        }

        .btn-task:hover {
            background: #5F3BFF;
            color: #fff;
        }

        .done-icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--teal);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
        }

        /* ===== Category cards ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .category-card {
            position: relative;
            min-height: 420px;
            border-radius: var(--radius-xl);
            padding: 36px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            overflow: hidden;
            background-size: cover;
            background-position: center;
            isolation: isolate;
            border: 1px solid var(--line-light);
            transition: transform .24s ease, box-shadow .24s ease;
        }

        .category-card::after {
            content: "";
            position: absolute;
            inset: 0;
            z-index: -1;
            background: linear-gradient(180deg, rgba(22, 19, 33, 0) 10%, rgba(22, 19, 33, .55) 55%, rgba(22, 19, 33, .92) 100%);
        }

        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 28px 55px -20px rgba(40, 20, 80, .46);
        }

        .category-card .cat-index {
            position: absolute;
            top: 24px;
            left: 26px;
            font-family: var(--font-display);
            font-size: 42px;
            font-weight: 800;
            color: rgba(255, 255, 255, .32);
            line-height: 1;
            letter-spacing: -1px;
        }

        .category-card h3 {
            color: #fff;
            font-size: 22px;
            margin-bottom: 10px;
        }

        .category-card p {
            color: rgba(255, 255, 255, .7);
            font-size: 14.5px;
            margin-bottom: 24px;
        }

        .category-link {
            display: inline-flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            width: fit-content;
            background: #fff;
            color: var(--text-dark);
            border-radius: 999px;
            height: 40px;
            padding: 0 6px 0 20px;
            font-size: 14px;
            font-weight: 600;
            transition: color .2s ease, box-shadow .2s ease, transform .2s ease;
        }

        .category-link span {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--gradient-b);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 12px;
        }

        .category-link:hover {
            color: var(--brand-purple);
            transform: translateX(3px);
        }

        /* ===== News CMS ===== */
        .news-section {
            background: var(--page-bg);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .news-card {
            display: grid;
            grid-template-columns: 260px 1fr;
            gap: 0;
            background: #fff;
            border: 1px solid var(--line-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform .22s ease, box-shadow .22s ease;
        }

        .news-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .news-visual {
            position: relative;
            overflow: hidden;
        }

        .news-visual img {
            width: 100%;
            height: 100%;
            min-height: 190px;
            object-fit: cover;
            display: block;
            transition: transform .32s ease;
        }

        .news-card:hover .news-visual img {
            transform: scale(1.04);
        }

        .news-body {
            padding: 24px 26px;
            display: flex;
            flex-direction: column;
        }

        .news-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 12px;
        }

        .news-date {
            color: var(--text-muted);
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .news-date i {
            font-size: 12px;
        }

        .news-body h3 {
            font-size: 18px;
            line-height: 1.5;
            margin-bottom: 8px;
            transition: color .2s ease;
        }

        .news-card:hover .news-body h3 {
            color: var(--brand-purple);
        }

        .news-body p {
            color: var(--text-muted);
            font-size: 14.5px;
            line-height: 1.8;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-more {
            margin-top: auto;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-purple);
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .empty-block {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 52px 30px;
            background: rgba(255, 255, 255, .66);
            border: 1.5px dashed #D6CDF0;
            border-radius: 24px;
            color: var(--text-muted);
            text-align: center;
        }

        .empty-block i {
            font-size: 36px;
            color: #B5A9DC;
            margin-bottom: 14px;
        }

        .empty-block p {
            margin: 0;
            font-size: 15px;
        }

        .news-footer {
            text-align: center;
            margin-top: 40px;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            display: grid;
            grid-template-columns: .8fr 1.2fr;
            gap: 46px;
            align-items: start;
        }

        .faq-side {
            background: var(--darker-bg);
            border-radius: 26px;
            padding: 38px 34px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .faq-side::after {
            content: "";
            position: absolute;
            bottom: -60px;
            right: -50px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(124, 92, 255, .42), transparent 70%);
        }

        .faq-side .side-ico {
            width: 56px;
            height: 56px;
            border-radius: 18px;
            background: var(--gradient-a);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 24px;
            color: #fff;
        }

        .faq-side h3 {
            color: #fff;
            font-size: 24px;
            margin-bottom: 14px;
        }

        .faq-side p {
            color: rgba(255, 255, 255, .68);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .faq-side .btn {
            position: relative;
            z-index: 1;
        }

        .faq-list .accordion-item {
            border: 1px solid var(--line-light);
            border-radius: 14px !important;
            margin-bottom: 12px;
            background: #fff;
            transition: box-shadow .2s ease, border-color .2s ease;
            overflow: hidden;
        }

        .faq-list .accordion-item.is-active {
            box-shadow: var(--shadow-card);
            border-color: rgba(124, 92, 255, .3);
        }

        .faq-list .accordion-button {
            box-shadow: none;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            padding: 17px 20px;
            background: transparent;
            position: relative;
        }

        .faq-list .accordion-button:not(.collapsed) {
            color: var(--brand-purple);
            background: #F9F8FF;
        }

        .faq-list .accordion-button:focus {
            box-shadow: none;
            border: 0;
        }

        .accordion-button::after {
            background-size: 14px;
        }

        .accordion-body {
            padding: 0 20px 18px;
            color: var(--text-muted);
            font-size: 14.5px;
            line-height: 1.85;
            border-top: 1px solid #F1EDF7;
            margin-top: 0;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: var(--card-white);
        }

        .cta-card {
            position: relative;
            background: var(--gradient-a);
            border-radius: 34px;
            padding: 70px 60px;
            overflow: hidden;
            color: #fff;
            text-align: center;
        }

        .cta-card::before {
            content: "";
            position: absolute;
            top: -90px;
            left: 8%;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(255, 255, 255, .26), transparent 65%);
        }

        .cta-card::after {
            content: "";
            position: absolute;
            bottom: -120px;
            right: -50px;
            width: 340px;
            height: 340px;
            background: radial-gradient(circle, rgba(255, 77, 141, .38), transparent 66%);
        }

        .cta-card h2 {
            font-size: 34px;
            color: #fff;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-card p {
            color: rgba(255, 255, 255, .8);
            max-width: 560px;
            margin: 0 auto 32px;
            font-size: 16px;
            position: relative;
            z-index: 1;
        }

        .cta-card .btn {
            background: #fff;
            color: var(--brand-purple);
            position: relative;
            z-index: 1;
            box-shadow: 0 12px 30px -12px rgba(26, 12, 44, .5);
        }

        .cta-card .btn:hover {
            color: var(--brand-purple);
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 18px 40px -12px rgba(26, 12, 44, .5);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #141120;
            color: rgba(255, 255, 255, .66);
            position: relative;
        }

        .site-footer::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(124, 92, 255, .65), rgba(255, 77, 141, .65), transparent);
        }

        .footer-top {
            padding: 72px 0 44px;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 60px;
        }

        .footer-brand .logo-text {
            display: inline-block;
            color: #fff;
            margin-bottom: 18px;
        }

        .footer-brand .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
            line-height: 1.8;
            max-width: 340px;
            margin-bottom: 0;
        }

        .footer-title {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .58);
            font-size: 14px;
            display: inline-block;
            transition: color .18s ease, transform .18s ease;
        }

        .footer-links a:hover {
            color: #fff;
            transform: translateX(3px);
        }

        .footer-bottom {
            padding: 22px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, .07);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, .42);
        }

        .footer-bottom .site-domain {
            font-family: var(--font-display);
            letter-spacing: .02em;
        }

        /* Responsive breakpoints */
        @media (max-width: 1199.98px) {
            .guide-layout {
                gap: 34px;
            }

            .cmd-search {
                width: 180px;
            }

            .navbar-nav .nav-link {
                padding: 10px 10px;
                font-size: 14px;
            }
        }

        @media (max-width: 991.98px) {
            .section {
                padding: 68px 0;
            }

            .navbar-collapse {
                background: rgba(18, 16, 28, .98);
                border-radius: 18px;
                margin-top: 12px;
                padding: 14px;
                border: 1px solid rgba(255, 255, 255, .08);
            }

            .navbar-nav {
                align-items: stretch;
                gap: 2px;
                margin: 0 0 14px;
            }

            .navbar-nav .nav-link {
                padding: 13px 16px;
                border-radius: 10px;
            }

            .navbar-nav .nav-link.active {
                background: rgba(124, 92, 255, .18);
            }

            .navbar-nav .nav-link.active::after {
                display: none;
            }

            .header-actions .cmd-search {
                display: none;
            }

            .header-cta {
                height: 36px;
                padding: 0 16px;
                font-size: 13px;
            }

            .hero {
                padding: 150px 0 100px;
            }

            .hero h1 {
                font-size: 40px;
            }

            .guide-layout,
            .faq-wrap {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .task-grid {
                grid-template-columns: 1fr 1fr;
            }

            .category-grid {
                grid-template-columns: 1fr 1fr;
            }

            .news-card {
                grid-template-columns: 200px 1fr;
            }

            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 42px;
            }
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 56px 0;
            }

            .section-title {
                font-size: 27px;
            }

            .hero {
                min-height: auto;
                padding: 132px 0 80px;
            }

            .hero h1 {
                font-size: 32px;
            }

            .hero-sub {
                font-size: 15px;
            }

            .hero-badges {
                flex-direction: column;
                align-items: center;
            }

            .media-main img {
                height: 400px;
            }

            .media-float {
                position: static;
                margin-top: 12px;
            }

            .media-stage {
                padding: 8px;
            }

            .reward-deck {
                grid-template-columns: 1fr;
            }

            .reward-card.reward-wide {
                grid-column: span 1;
            }

            .reward-card.reward-narrow {
                grid-column: span 1;
            }

            .task-grid {
                grid-template-columns: 1fr;
            }

            .category-grid {
                grid-template-columns: 1fr;
            }

            .category-card {
                min-height: 340px;
            }

            .news-card {
                grid-template-columns: 1fr;
            }

            .news-visual img {
                height: 180px;
            }

            .cta-card {
                padding: 48px 28px;
                border-radius: 24px;
            }

            .cta-card h2 {
                font-size: 26px;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 34px;
            }
        }

        @media (max-width: 575.98px) {
            .hero h1 {
                font-size: 28px;
                line-height: 1.35;
            }

            .logo-text {
                font-size: 16px;
            }

            .header-cta {
                display: none;
            }

            .guide-step {
                padding-left: 62px;
            }

            .media-main img {
                height: 260px;
            }

            .media-float {
                flex-wrap: wrap;
            }

            .reward-card {
                padding: 22px;
            }

            .faq-side {
                padding: 26px 22px;
            }
        }

/* roulang page: article */
:root {
            --primary-1: #7C5CFF;
            --primary-2: #B44DFF;
            --cta-1: #FF4D8D;
            --cta-2: #FFA26B;
            --bg-light: #F6F5FA;
            --bg-soft: #EFEDF6;
            --dark-1: #1E1B2E;
            --dark-2: #161321;
            --text-head: #171422;
            --text-body: #302C3C;
            --text-weak: #777184;
            --line: #E5E1EC;
            --success: #2EE5C4;
            --amber: #FFB020;
            --radius-lg: 24px;
            --radius-md: 18px;
            --shadow-card: 0 8px 24px -12px rgba(28, 18, 50, 0.12);
            --shadow-hover: 0 20px 40px -16px rgba(80, 20, 120, 0.2);
            --transition: 0.2s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--bg-light);
            color: var(--text-body);
            line-height: 1.75;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: var(--primary-1);
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition), box-shadow var(--transition), border-color var(--transition), transform var(--transition);
        }

        a:hover {
            color: var(--primary-2);
        }

        button,
        input {
            font: inherit;
            border: 0;
        }

        .container {
            max-width: 1280px;
        }

        ::selection {
            background: rgba(124, 92, 255, 0.25);
        }

        /* Header / 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(30, 27, 46, 0.86);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 8px 24px -18px rgba(16, 12, 28, 0.85);
        }

        .site-header .navbar {
            min-height: 76px;
            padding: 12px 0;
            transition: min-height 0.2s ease;
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin: 0;
            padding: 0;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 11px;
            background: linear-gradient(135deg, var(--primary-1), var(--primary-2));
            color: #fff;
            font-weight: 800;
            font-size: 14px;
            letter-spacing: 0.02em;
            box-shadow: 0 6px 18px -6px rgba(124, 92, 255, 0.88);
        }

        .logo-text {
            font-size: 1.06rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .site-header .nav-link {
            color: rgba(255, 255, 255, 0.76);
            font-weight: 500;
            font-size: 15px;
            padding: 8px 0;
            margin-right: 1.6rem;
            position: relative;
            white-space: nowrap;
        }

        .site-header .nav-link:hover {
            color: #ffffff;
        }

        .site-header .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            right: 100%;
            bottom: 0;
            height: 2px;
            border-radius: 99px;
            background: linear-gradient(90deg, var(--primary-1), var(--primary-2), var(--cta-1));
            transition: right 0.2s ease;
        }

        .site-header .nav-link:hover::after,
        .site-header .nav-link.active::after {
            right: 0;
        }

        .site-header .nav-link.active {
            color: #ffffff;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: 10px;
            flex-shrink: 0;
        }

        .cmd-search {
            display: flex;
            align-items: center;
            gap: 9px;
            width: 228px;
            height: 38px;
            padding: 0 11px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 11px;
            color: rgba(255, 255, 255, 0.65);
            font-size: 13px;
            cursor: pointer;
            transition: background var(--transition), border-color var(--transition);
        }

        .cmd-search:hover {
            background: rgba(255, 255, 255, 0.13);
            border-color: rgba(255, 255, 255, 0.22);
        }

        .cmd-search i {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        .cmd-search kbd {
            margin-left: auto;
            padding: 1px 6px;
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.12);
            color: rgba(255, 255, 255, 0.72);
            font-size: 11px;
            border: 0;
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 38px;
            padding: 0 20px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--cta-1), var(--cta-2));
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 8px 20px -8px rgba(255, 77, 141, 0.8);
        }

        .header-cta:hover {
            color: #fff;
            filter: brightness(1.08);
            box-shadow: 0 10px 26px -8px rgba(255, 77, 141, 0.95);
            transform: translateY(-1px);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            border-color: rgba(255, 255, 255, 0.45);
        }

        /* 文章头部 */
        .article-hero {
            position: relative;
            isolation: isolate;
            padding: 64px 0 56px;
            color: #ffffff;
            overflow: hidden;
            background: linear-gradient(105deg, rgba(21, 17, 33, 0.96) 0%, rgba(46, 24, 65, 0.88) 52%, rgba(76, 22, 68, 0.78) 100%),
                url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
        }

        .article-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            z-index: -1;
            background: radial-gradient(circle at 78% 30%, rgba(180, 77, 255, 0.22), transparent 36%);
        }

        .article-hero .container {
            position: relative;
            z-index: 2;
        }

        .article-crumbs {
            margin-bottom: 24px;
        }

        .article-crumbs .breadcrumb {
            margin: 0;
            --bs-breadcrumb-divider: '/';
        }

        .article-crumbs .breadcrumb-item {
            font-size: 14px;
        }

        .article-crumbs .breadcrumb-item a {
            color: rgba(255, 255, 255, 0.7);
        }

        .article-crumbs .breadcrumb-item a:hover {
            color: #ffffff;
        }

        .article-crumbs .breadcrumb-item.active {
            color: rgba(255, 255, 255, 0.92);
        }

        .article-crumbs .breadcrumb-item::before {
            display: none;
        }

        .article-crumbs .breadcrumb-item + .breadcrumb-item a,
        .article-crumbs .breadcrumb-item + .breadcrumb-item.active {
            margin-left: 10px;
        }

        .article-hero-title h1 {
            font-size: clamp(2.1rem, 4vw + 0.5rem, 3.5rem);
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 22px;
            color: #fff;
            max-width: 920px;
            letter-spacing: 0.01em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }

        .meta-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.86);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 999px;
            padding: 7px 14px;
            backdrop-filter: blur(8px);
        }

        .meta-pill i {
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
        }

        /* 正文与侧边栏 */
        .content-section {
            padding: 68px 0 52px;
        }

        .article-main-card {
            background: #ffffff;
            border: 1px solid rgba(124, 92, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: clamp(24px, 4.5vw, 52px);
            box-shadow: var(--shadow-card);
        }

        .article-body {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-body);
        }

        .article-body > *:first-child {
            margin-top: 0;
        }

        .article-body > *:last-child {
            margin-bottom: 0;
        }

        .article-body h1,
        .article-body h2,
        .article-body h3,
        .article-body h4,
        .article-body h5 {
            color: var(--text-head);
            font-weight: 800;
            line-height: 1.35;
            margin: 1.7em 0 0.7em;
            letter-spacing: -0.01em;
        }

        .article-body h1 {
            font-size: 2rem;
        }

        .article-body h2 {
            font-size: 1.65rem;
            border-left: 4px solid var(--primary-1);
            padding-left: 14px;
        }

        .article-body h3 {
            font-size: 1.32rem;
        }

        .article-body h4 {
            font-size: 1.1rem;
        }

        .article-body p {
            margin: 0 0 1.4em;
        }

        .article-body a {
            color: var(--primary-1);
            border-bottom: 1px solid rgba(124, 92, 255, 0.26);
        }

        .article-body strong {
            color: var(--text-head);
            font-weight: 700;
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 1.5em;
            padding-left: 1.4rem;
        }

        .article-body li {
            margin-bottom: 0.35rem;
        }

        .article-body blockquote {
            background: var(--bg-soft);
            border-left: 4px solid var(--primary-1);
            border-radius: 0 14px 14px 0;
            padding: 18px 22px;
            color: var(--text-head);
            font-weight: 500;
            margin: 1.6rem 0;
        }

        .article-body img {
            border-radius: 18px;
            margin: 1.6rem auto;
            width: 100%;
            height: auto;
            box-shadow: var(--shadow-card);
        }

        .article-body table {
            width: 100%;
            margin: 1.6rem 0;
            border-collapse: collapse;
            font-size: 15px;
            color: var(--text-body);
        }

        .article-body table th,
        .article-body table td {
            border: 1px solid var(--line);
            padding: 12px 14px;
            text-align: left;
        }

        .article-body table th {
            background: var(--bg-soft);
            font-weight: 700;
            color: var(--text-head);
        }

        .article-bottom-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 26px;
            background: #f8f7fc;
            border: 1px solid rgba(124, 92, 255, 0.12);
            border-radius: 16px;
            padding: 18px 22px;
        }

        .article-bottom-bar strong {
            display: block;
            color: var(--text-head);
            font-size: 16px;
        }

        .article-bottom-bar span {
            color: var(--text-weak);
            font-size: 14px;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--primary-1);
            font-weight: 600;
            font-size: 14px;
            white-space: nowrap;
        }

        .text-link:hover {
            color: var(--primary-2);
        }

        .not-found-card {
            text-align: center;
            background: #fff;
            border: 1px solid rgba(124, 92, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 64px 28px;
            box-shadow: var(--shadow-card);
        }

        .not-found-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 20px;
            background: var(--bg-soft);
            color: var(--primary-1);
            font-size: 24px;
        }

        .not-found-card h2 {
            color: var(--text-head);
            font-weight: 800;
            font-size: 28px;
            margin-bottom: 12px;
        }

        .not-found-card p {
            color: var(--text-weak);
            margin-bottom: 24px;
        }

        .btn-main {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 11px 24px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--cta-1), var(--cta-2));
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border: 0;
            box-shadow: 0 10px 24px -10px rgba(255, 77, 141, 0.72);
        }

        .btn-main:hover {
            color: #fff;
            filter: brightness(1.08);
            transform: translateY(-2px);
            box-shadow: 0 14px 28px -10px rgba(255, 77, 141, 0.88);
        }

        .sidebar-inner {
            position: sticky;
            top: 106px;
        }

        .article-side-card {
            background: #fff;
            border: 1px solid rgba(124, 92, 255, 0.1);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 24px;
            margin-bottom: 22px;
        }

        .article-side-card .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-1);
            letter-spacing: 0.08em;
            margin-bottom: 8px;
        }

        .article-side-card h3 {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-head);
            margin-bottom: 16px;
        }

        .side-category-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .side-category-list li {
            border-bottom: 1px solid rgba(124, 92, 255, 0.08);
        }

        .side-category-list li:last-child {
            border-bottom: 0;
        }

        .side-category-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 4px;
            color: var(--text-body);
        }

        .side-category-list a:hover {
            color: var(--primary-1);
            transform: translateX(3px);
        }

        .side-cat-icon {
            width: 38px;
            height: 38px;
            flex: 0 0 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(124, 92, 255, 0.12), rgba(180, 77, 255, 0.12));
            color: var(--primary-1);
        }

        .side-cat-body strong {
            display: block;
            font-size: 14px;
            color: var(--text-head);
        }

        .side-cat-body em {
            display: block;
            font-style: normal;
            font-size: 12.5px;
            color: var(--text-weak);
            line-height: 1.45;
            margin-top: 2px;
        }

        .side-cat-list-arrow {
            margin-left: auto;
            color: #c4bfd0;
            font-size: 13px;
            transition: transform 0.2s;
        }

        .side-category-list a:hover .side-cat-list-arrow {
            transform: translateX(3px);
            color: var(--primary-1);
        }

        .side-note-card {
            background: linear-gradient(135deg, var(--dark-1), var(--dark-2));
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .note-card-icon {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 18px;
        }

        .side-note-card strong {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
        }

        .side-note-card p {
            color: rgba(255, 255, 255, 0.64);
            font-size: 13.5px;
            margin: 10px 0 0;
        }

        /* 继续阅读 / 分类导览 */
        .guide-section {
            padding: 82px 0;
            background: var(--bg-soft);
            scroll-margin-top: 96px;
        }

        .section-head {
            max-width: 700px;
            margin-bottom: 42px;
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary-1);
            letter-spacing: 0.12em;
            margin-bottom: 10px;
        }

        .section-head h2 {
            font-size: clamp(1.7rem, 3vw, 2.6rem);
            font-weight: 800;
            color: var(--text-head);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-head p {
            color: var(--text-weak);
            font-size: 16px;
            margin-bottom: 0;
        }

        .guide-card {
            height: 100%;
            background: #fff;
            border: 1px solid rgba(124, 92, 255, 0.1);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            display: flex;
            flex-direction: column;
        }

        .guide-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 22px 44px -18px rgba(80, 20, 120, 0.24);
        }

        .guide-thumb {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .guide-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

        .guide-card:hover .guide-thumb img {
            transform: scale(1.035);
        }

        .guide-card-content {
            display: flex;
            flex-direction: column;
            flex: 1;
            padding: 24px;
        }

        .guide-tag {
            display: inline-flex;
            width: fit-content;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(124, 92, 255, 0.1);
            color: var(--primary-1);
            margin-bottom: 12px;
        }

        .guide-card-content h3 {
            font-size: 19px;
            font-weight: 800;
            color: var(--text-head);
            margin-bottom: 8px;
        }

        .guide-card-content p {
            font-size: 14.5px;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .guide-link {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary-1);
            font-weight: 600;
            font-size: 14px;
        }

        .guide-link:hover {
            color: var(--primary-2);
            gap: 11px;
        }

        /* FAQ */
        .faq-section {
            padding: 84px 0;
        }

        .faq-section .section-head {
            margin-bottom: 0;
        }

        .faq-list .accordion-item {
            background: transparent;
            border: 0;
            margin-bottom: 14px;
            border-radius: 18px !important;
        }

        .faq-list .accordion-button {
            background: #fff;
            border: 1px solid rgba(124, 92, 255, 0.1);
            border-radius: 18px !important;
            box-shadow: none;
            color: var(--text-head);
            font-weight: 600;
            font-size: 16px;
            padding: 18px 24px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .faq-list .accordion-button:not(.collapsed) {
            border-color: rgba(124, 92, 255, 0.26);
            box-shadow: var(--shadow-card);
        }

        .faq-list .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.12);
        }

        .faq-list .accordion-button::after {
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\f078";
            background-image: none;
            color: var(--primary-1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
        }

        .faq-list .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--primary-1);
        }

        .faq-list .accordion-body {
            background: #fff;
            border: 1px solid rgba(124, 92, 255, 0.08);
            border-top: 0;
            border-radius: 0 0 18px 18px;
            padding: 6px 24px 22px;
            color: var(--text-body);
            font-size: 15px;
            line-height: 1.85;
        }

        .faq-card-side-note {
            background: var(--dark-1);
            border-radius: var(--radius-lg);
            padding: 34px 30px;
            color: #fff;
            margin-top: 28px;
        }

        .faq-card-side-note .note-icon {
            width: 48px;
            height: 48px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            color: #fff;
            font-size: 20px;
        }

        .faq-card-side-note h3 {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .faq-card-side-note p {
            color: rgba(255, 255, 255, 0.68);
            font-size: 14.5px;
            margin: 0;
        }

        /* CTA */
        .cta-section {
            padding: 40px 0 92px;
        }

        .cta-card {
            position: relative;
            isolation: isolate;
            overflow: hidden;
            text-align: center;
            border-radius: 34px;
            background: linear-gradient(135deg, #1e1b2e, #161321);
            color: #fff;
            padding: clamp(44px, 7vw, 86px) 24px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .cta-card::before {
            content: "";
            position: absolute;
            inset: 0;
            z-index: -1;
            background: radial-gradient(circle at 22% 18%, rgba(124, 92, 255, 0.45), transparent 28%),
                radial-gradient(circle at 82% 88%, rgba(255, 77, 141, 0.38), transparent 30%);
        }

        .cta-card h2 {
            font-size: clamp(1.7rem, 3.2vw, 2.8rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

        .cta-card p {
            color: rgba(255, 255, 255, 0.68);
            font-size: 16px;
            max-width: 540px;
            margin: 0 auto 28px;
        }

        .btn-light-pill {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            padding: 12px 30px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--cta-1), var(--cta-2));
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            box-shadow: 0 12px 32px -10px rgba(255, 77, 141, 0.7);
            transition: transform 0.2s ease, filter 0.2s ease, box-shadow 0.2s ease;
        }

        .btn-light-pill:hover {
            color: #fff;
            filter: brightness(1.08);
            transform: translateY(-2px);
            box-shadow: 0 16px 36px -10px rgba(255, 77, 141, 0.9);
        }

        /* Footer */
        .site-footer {
            background: var(--dark-2);
            color: rgba(255, 255, 255, 0.66);
            padding: 72px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
        }

        .site-footer::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary-1), var(--primary-2), var(--cta-1), transparent);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 42px;
            padding-bottom: 40px;
        }

        .footer-brand .navbar-brand {
            margin-bottom: 18px;
            display: inline-flex;
        }

        .footer-desc {
            color: rgba(255, 255, 255, 0.52);
            font-size: 14px;
            line-height: 1.85;
            margin: 0;
            max-width: 420px;
        }

        .footer-title {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.56);
            font-size: 14px;
            transition: color 0.2s, transform 0.2s;
            display: inline-flex;
            transform-origin: left center;
        }

        .footer-links a:hover {
            color: #fff;
            transform: translateX(3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px;
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
        }

        .footer-bottom .site-domain {
            opacity: 0.55;
        }

        /* 响应式 */
        @media (max-width: 1199.98px) {
            .cmd-search {
                width: 184px;
            }
        }

        @media (max-width: 991.98px) {
            .site-header {
                min-height: 62px;
            }

            .site-header .navbar {
                min-height: 62px;
                padding: 10px 0;
            }

            .navbar-collapse {
                background: rgba(21, 18, 32, 0.97);
                border: 1px solid rgba(255, 255, 255, 0.08);
                border-radius: 18px;
                padding: 20px;
                margin-top: 12px;
                box-shadow: 0 28px 60px -20px rgba(0, 0, 0, 0.4);
            }

            .site-header .nav-link {
                margin: 0 0 4px;
                padding: 12px 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
                color: rgba(255, 255, 255, 0.85);
                display: block;
            }

            .site-header .nav-link::after {
                display: none;
            }

            .header-actions {
                margin: 18px 0 0;
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
                width: 100%;
            }

            .cmd-search {
                width: 100%;
            }

            .header-cta {
                justify-content: center;
            }

            .article-hero {
                padding: 52px 0 44px;
            }

            .content-section {
                padding: 54px 0 40px;
            }

            .sidebar-inner {
                position: relative;
                top: 0;
                margin-top: 30px;
            }

            .footer-top {
                grid-template-columns: 1fr 1fr;
            }

            .footer-brand {
                grid-column: span 2;
            }
        }

        @media (max-width: 767.98px) {
            .guide-section,
            .faq-section {
                padding: 60px 0;
            }

            .article-main-card {
                padding: 24px 20px;
            }

            .article-body {
                font-size: 16px;
            }
        }

        @media (max-width: 575.98px) {
            .logo-text {
                font-size: 0.95rem;
            }

            .article-crumbs .breadcrumb-item {
                font-size: 13px;
            }

            .article-hero-title h1 {
                font-size: 2rem;
            }

            .footer-top {
                grid-template-columns: 1fr;
            }

            .footer-brand {
                grid-column: span 1;
            }

            .article-bottom-bar {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category1 */
:root {
            --bg: #f6f5fa;
            --bg-soft: #efedf5;
            --surface: #ffffff;
            --surface-2: #f9f8fc;
            --ink: #171422;
            --text: #302c3c;
            --muted: #777184;
            --subtle: #b9b5c4;
            --border: #e7e2ee;
            --purple: #7c5cff;
            --violet: #b44dff;
            --pink: #ff4d8d;
            --peach: #ffa26b;
            --teal: #2ee5c4;
            --amber: #ffb020;
            --dark: #1e1b2e;
            --dark-2: #161321;
            --gradient: linear-gradient(90deg, #7c5cff, #b44dff);
            --gradient-hot: linear-gradient(90deg, #ff4d8d, #ffa26b);
            --radius-lg: 24px;
            --radius-md: 18px;
            --radius-sm: 14px;
            --radius-pill: 999px;
            --shadow: 0 8px 24px -12px rgba(28, 18, 50, 0.12);
            --shadow-hover: 0 20px 40px -16px rgba(80, 20, 120, 0.2);
            --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-display: "Inter", "Plus Jakarta Sans", "SF Pro Display", "PingFang SC", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--bg);
            color: var(--text);
            font-family: var(--font);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, background .2s ease, border-color .2s ease;
        }

        a:hover {
            color: var(--purple);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input {
            font-family: inherit;
        }

        .text-brand {
            color: var(--purple);
        }

        .section {
            padding: 104px 0;
        }

        .section-tight {
            padding: 74px 0;
        }

        .section-soft {
            background: var(--bg-soft);
        }

        .eyebrow {
            color: var(--purple);
            font-size: 14px;
            font-weight: 800;
            letter-spacing: .1em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
            line-height: 1;
        }

        .eyebrow::before {
            content: "";
            width: 20px;
            height: 2px;
            background: var(--gradient-hot);
            border-radius: 99px;
            display: inline-block;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: var(--ink);
            margin: 0 0 16px;
        }

        .section-lead {
            font-size: 16px;
            color: var(--muted);
            max-width: 700px;
            margin: 0;
        }

        .section-head {
            margin-bottom: 54px;
        }

        .section-head.center {
            text-align: center;
        }

        .section-head.center .section-lead {
            margin-left: auto;
            margin-right: auto;
        }

        .btn-grad {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 12px 28px;
            border: 0;
            border-radius: var(--radius-pill);
            background: var(--gradient-hot);
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            line-height: 1.2;
            transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
        }

        .btn-grad:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 32px -12px rgba(255, 77, 141, 0.45);
            filter: brightness(1.04);
        }

        .btn-purple {
            background: var(--gradient);
        }

        .btn-purple:hover {
            box-shadow: 0 14px 32px -12px rgba(124, 92, 255, 0.5);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 12px 28px;
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(6px);
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            line-height: 1.2;
            transition: background .2s ease, border-color .2s ease, transform .2s ease;
        }

        .btn-ghost:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.16);
            border-color: rgba(255, 255, 255, 0.7);
            transform: translateY(-2px);
        }

        .btn-muted {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--ink);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 11px 22px;
            font-weight: 700;
            transition: box-shadow .2s ease, transform .2s ease;
        }

        .btn-muted:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
            color: var(--ink);
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1080;
            background: rgba(22, 19, 33, 0.86);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .site-header .navbar {
            min-height: 76px;
            padding: 10px 0;
            flex-wrap: nowrap;
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            flex-shrink: 0;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 13px;
            background: var(--gradient-hot);
            color: #fff;
            font-weight: 900;
            font-size: 15px;
            letter-spacing: 0.02em;
            box-shadow: 0 8px 18px -8px rgba(255, 77, 141, 0.55);
        }

        .logo-text {
            font-family: var(--font-display);
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            letter-spacing: 0.01em;
        }

        .navbar-nav .nav-item {
            display: flex;
            align-items: center;
        }

        .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            font-weight: 600;
            padding: 8px 6px;
            margin: 0 14px;
            position: relative;
            white-space: nowrap;
            transition: color .2s ease;
        }

        .navbar-nav .nav-link:hover {
            color: #fff;
        }

        .navbar-nav .nav-link::after {
            content: "";
            position: absolute;
            left: 6px;
            right: 6px;
            bottom: 0;
            height: 2px;
            border-radius: 99px;
            background: var(--gradient-hot);
            opacity: 0;
            transform: scaleX(0.5);
            transition: opacity .2s ease, transform .2s ease;
        }

        .navbar-nav .nav-link:hover::after {
            opacity: 0.5;
            transform: scaleX(0.8);
        }

        .navbar-nav .nav-link.active {
            color: #fff;
        }

        .navbar-nav .nav-link.active::after {
            opacity: 1;
            transform: scaleX(1);
            background: linear-gradient(90deg, #7c5cff, #ff4d8d);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-left: auto;
            flex-shrink: 0;
        }

        .cmd-search {
            display: flex;
            align-items: center;
            gap: 10px;
            width: 220px;
            height: 38px;
            padding: 0 12px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
            cursor: pointer;
            transition: border-color .2s ease, background .2s ease;
        }

        .cmd-search:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.22);
        }

        .cmd-search kbd {
            margin-left: auto;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 26px;
            height: 22px;
            padding: 0 6px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 6px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
            font-family: var(--font);
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 40px;
            padding: 0 20px;
            border-radius: var(--radius-pill);
            background: var(--gradient-hot);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            white-space: nowrap;
            transition: transform .2s ease, box-shadow .2s ease;
        }

        .header-cta:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 24px -12px rgba(255, 77, 141, 0.55);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            border-radius: 12px;
            padding: 6px 10px;
            line-height: 1;
            background: rgba(255, 255, 255, 0.04);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.45);
        }

        .navbar-toggler i {
            font-size: 18px;
        }

        .category-hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            padding: 92px 0 128px;
            margin-top: 76px;
            color: #fff;
            background-color: var(--dark-2);
            background-image: linear-gradient(102deg, rgba(22, 19, 33, 0.96) 14%, rgba(22, 19, 33, 0.78) 48%, rgba(124, 92, 255, 0.46)), url("/assets/images/backpic/back-1.png");
            background-size: cover;
            background-position: center;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            inset: auto -10% -50% auto;
            width: 430px;
            height: 430px;
            background: radial-gradient(circle, rgba(180, 77, 255, 0.45) 0%, rgba(180, 77, 255, 0) 70%);
            pointer-events: none;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 14px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(8px);
        }

        .category-hero h1 {
            font-family: var(--font-display);
            font-size: clamp(34px, 5.2vw, 64px);
            line-height: 1.12;
            font-weight: 900;
            letter-spacing: -0.03em;
            color: #fff;
            margin: 24px 0 20px;
            max-width: 680px;
        }

        .category-hero h1 span {
            background: linear-gradient(135deg, #ff4d8d, #ffa26b);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .category-hero p {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.82);
            max-width: 680px;
            margin: 0;
        }

        .hero-btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 38px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 46px;
        }

        .hero-stat {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: var(--radius-pill);
            padding: 10px 18px 10px 14px;
            backdrop-filter: blur(6px);
            color: #fff;
            font-family: var(--font-display);
        }

        .hero-stat b {
            font-size: 23px;
            font-weight: 800;
            line-height: 1;
            background: linear-gradient(120deg, #fff, #ffb0d2);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .hero-stat span {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            white-space: nowrap;
        }

        .channel-links {
            position: relative;
            z-index: 20;
            margin-top: -58px;
            padding-bottom: 20px;
        }

        .channel-links .grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .channel-card {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 22px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 20px;
            box-shadow: var(--shadow);
            transition: transform .2s ease, box-shadow .2s ease;
        }

        .channel-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .channel-card.current {
            background: linear-gradient(135deg, var(--dark), #2a2342);
            color: #fff;
            border-color: rgba(124, 92, 255, 0.5);
            box-shadow: 0 18px 36px -18px rgba(39, 28, 80, 0.6);
        }

        .channel-icon {
            width: 46px;
            height: 46px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--gradient);
            border-radius: 16px;
            color: #fff;
            font-size: 19px;
        }

        .channel-card.current .channel-icon {
            background: var(--gradient-hot);
        }

        .channel-card h3 {
            font-size: 16px;
            font-weight: 800;
            margin: 0 0 2px;
            color: inherit;
        }

        .channel-card p {
            font-size: 13px;
            margin: 0;
            color: var(--muted);
            line-height: 1.4;
        }

        .channel-card.current p {
            color: rgba(255, 255, 255, 0.65);
        }

        .guide-intro {
            background: var(--bg);
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1.08fr 0.92fr;
            gap: 48px;
            align-items: center;
        }

        .intro-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            box-shadow: var(--shadow-hover);
        }

        .intro-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .intro-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(22, 19, 33, 0) 55%, rgba(22, 19, 33, 0.42));
            pointer-events: none;
        }

        .intro-chip {
            position: absolute;
            left: 20px;
            bottom: 20px;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 16px;
            background: rgba(22, 19, 33, 0.7);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-pill);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
        }

        .intro-content h2 {
            font-family: var(--font-display);
            font-size: clamp(25px, 3vw, 38px);
            line-height: 1.22;
            font-weight: 900;
            color: var(--ink);
            letter-spacing: -0.02em;
            margin: 6px 0 18px;
        }

        .intro-content .desc {
            color: var(--muted);
            font-size: 16px;
            line-height: 1.85;
            margin-bottom: 30px;
        }

        .intro-points {
            display: grid;
            gap: 14px;
            margin: 0;
        }

        .intro-point {
            display: flex;
            gap: 14px;
            padding: 18px 20px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 18px;
            transition: transform .2s ease, box-shadow .2s ease;
        }

        .intro-point:hover {
            transform: translateX(3px);
            box-shadow: var(--shadow);
        }

        .point-icon {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: var(--gradient);
            color: #fff;
            font-size: 15px;
        }

        .intro-point h3 {
            font-size: 16px;
            font-weight: 800;
            color: var(--ink);
            margin: 0 0 5px;
        }

        .intro-point p {
            font-size: 14px;
            margin: 0;
            color: var(--muted);
            line-height: 1.7;
        }

        .topic-area {
            background: var(--bg-soft);
        }

        .topic-showcase {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            background: var(--dark-2);
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: 32px;
            box-shadow: 0 24px 48px -20px rgba(22, 19, 33, 0.5);
        }

        .topic-showcase img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        .topic-showcase-text {
            color: #fff;
            padding: 48px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .topic-showcase-text h3 {
            font-family: var(--font-display);
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 900;
            margin: 6px 0 14px;
        }

        .topic-showcase-text p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            line-height: 1.8;
            margin: 0 0 28px;
        }

        .showcase-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .showcase-tags span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-pill);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
        }

        .topic-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .topic-card {
            display: flex;
            gap: 18px;
            padding: 18px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 20px;
            box-shadow: var(--shadow);
            transition: transform .2s ease, box-shadow .2s ease;
        }

        .topic-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .topic-thumb {
            flex: 0 0 132px;
            max-width: 132px;
            border-radius: 14px;
            overflow: hidden;
            aspect-ratio: 1 / 1;
            background: var(--bg-soft);
        }

        .topic-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .topic-body {
            min-width: 0;
        }

        .topic-body .label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--purple);
            font-weight: 700;
            letter-spacing: 0.03em;
        }

        .topic-body h3 {
            font-size: 17px;
            font-weight: 800;
            color: var(--ink);
            margin: 7px 0 7px;
        }

        .topic-body p {
            font-size: 13.5px;
            line-height: 1.7;
            color: var(--muted);
            margin: 0 0 8px;
        }

        .topic-link {
            font-size: 13px;
            font-weight: 700;
            color: var(--ink);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .topic-card:hover .topic-link {
            color: var(--purple);
        }

        .scenario-section {
            position: relative;
            background: linear-gradient(135deg, var(--dark-2), #241d39);
            color: #fff;
            overflow: hidden;
        }

        .scenario-section::before {
            content: "";
            position: absolute;
            width: 480px;
            height: 480px;
            top: -170px;
            right: -120px;
            background: radial-gradient(circle, rgba(124, 92, 255, 0.35), transparent 68%);
            pointer-events: none;
        }

        .scenario-section .eyebrow {
            color: #ff9dc6;
        }

        .scenario-section .section-title {
            color: #fff;
        }

        .scenario-section .section-lead {
            color: rgba(255, 255, 255, 0.66);
        }

        .scenario-grid {
            position: relative;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 12px;
        }

        .scenario-card {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 22px;
            padding: 32px 28px;
            transition: background .2s ease, border-color .2s ease, transform .2s ease;
        }

        .scenario-card:hover {
            background: rgba(255, 255, 255, 0.11);
            border-color: rgba(255, 255, 255, 0.22);
            transform: translateY(-3px);
        }

        .scenario-card .icon {
            width: 52px;
            height: 52px;
            border-radius: 17px;
            background: var(--gradient-hot);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            margin-bottom: 20px;
        }

        .scenario-card:nth-child(2) .icon {
            background: var(--gradient);
        }

        .scenario-card:nth-child(3) .icon {
            background: linear-gradient(135deg, #2ee5c4, #4c9bff);
        }

        .scenario-card h3 {
            font-size: 18px;
            font-weight: 800;
            margin: 0 0 10px;
        }

        .scenario-card p {
            font-size: 14px;
            line-height: 1.8;
            margin: 0;
            color: rgba(255, 255, 255, 0.72);
        }

        .process-area {
            background: var(--surface);
        }

        .process-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 12px;
        }

        .process-step {
            position: relative;
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: 22px;
            padding: 32px 26px;
            overflow: hidden;
            transition: transform .2s ease, box-shadow .2s ease;
        }

        .process-step:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }

        .process-step .num {
            font-family: var(--font-display);
            font-size: 52px;
            font-weight: 900;
            line-height: 1;
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: block;
            margin-bottom: 18px;
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 800;
            color: var(--ink);
            margin: 0 0 10px;
        }

        .process-step p {
            font-size: 14px;
            line-height: 1.75;
            margin: 0;
            color: var(--muted);
        }

        .process-step .arrow {
            position: absolute;
            right: 16px;
            top: 24px;
            color: rgba(124, 92, 255, 0.3);
            font-size: 18px;
        }

        .faq-area {
            background: var(--bg-soft);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 0.78fr 1.22fr;
            gap: 32px;
            align-items: start;
        }

        .faq-intro-card {
            background: linear-gradient(145deg, var(--dark-2), #251e3c);
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 38px;
        }

        .faq-intro-card h2 {
            font-family: var(--font-display);
            font-size: 30px;
            font-weight: 900;
            margin: 0 0 16px;
        }

        .faq-intro-card p {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.7);
            margin: 0 0 24px;
        }

        .faq-intro-card .icon-line {
            display: flex;
            gap: 16px;
            margin-top: 22px;
        }

        .faq-intro-card .icon-line i {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.09);
            color: #fff;
            font-size: 16px;
        }

        .faq-accordion .accordion-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 18px;
            overflow: hidden;
            margin-bottom: 12px;
            box-shadow: 0 4px 14px -12px rgba(28, 18, 50, 0.16);
        }

        .faq-accordion .accordion-item:last-child {
            margin-bottom: 0;
        }

        .faq-accordion .accordion-button {
            font-family: var(--font);
            background: var(--surface);
            color: var(--ink);
            font-size: 16px;
            font-weight: 700;
            padding: 20px 24px;
            line-height: 1.5;
            box-shadow: none;
            border-radius: 18px !important;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--ink);
            background: var(--surface-2);
            box-shadow: inset 0 -1px 0 var(--border);
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.2);
        }

        .faq-accordion .accordion-button::after {
            background-image: none;
            content: "\f107";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--bg-soft);
            border-radius: 8px;
            color: var(--purple);
            font-size: 13px;
            transform: rotate(-90deg);
            transition: transform .25s ease;
        }

        .faq-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(0deg);
        }

        .faq-accordion .accordion-body {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.9;
            padding: 4px 24px 24px;
            border-top: 1px solid var(--bg-soft);
        }

        .final-cta {
            padding: 110px 0;
            background: var(--bg);
        }

        .cta-card {
            position: relative;
            border-radius: 34px;
            overflow: hidden;
            padding: 74px 20px;
            color: #fff;
            text-align: center;
            background-image: linear-gradient(120deg, rgba(22, 19, 33, 0.93), rgba(124, 92, 255, 0.65), rgba(255, 77, 141, 0.62)), url("/assets/images/backpic/back-2.webp");
            background-size: cover;
            background-position: center;
            box-shadow: 0 28px 56px -24px rgba(40, 20, 78, 0.55);
        }

        .cta-card h2 {
            font-family: var(--font-display);
            font-size: clamp(28px, 4vw, 46px);
            font-weight: 900;
            letter-spacing: -0.02em;
            margin: 12px 0 14px;
        }

        .cta-card p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.78);
            max-width: 530px;
            margin: 0 auto 32px;
        }

        .cta-card .cta-buttons {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .site-footer {
            background: #14111e;
            color: rgba(255, 255, 255, 0.7);
            padding: 76px 0 0;
            position: relative;
        }

        .site-footer::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(124, 92, 255, 0.7), rgba(255, 77, 141, 0.7), transparent);
        }

        .site-footer .navbar-brand {
            margin: 0 0 18px;
        }

        .site-footer .logo-mark {
            box-shadow: none;
        }

        .site-footer .logo-text {
            color: #fff;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 0.8fr 0.8fr;
            gap: 56px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        }

        .footer-desc {
            max-width: 420px;
            font-size: 15px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.55);
            margin: 0;
        }

        .footer-title {
            color: #fff;
            font-size: 15px;
            font-weight: 800;
            margin-bottom: 18px;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            transition: color .2s ease;
        }

        .footer-links a:hover {
            color: #ff7bb2;
            text-decoration: none;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .site-domain {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.32);
        }

        @media (max-width: 1199px) {
            .cmd-search {
                width: 180px;
            }

            .navbar-nav .nav-link {
                margin: 0 8px;
                font-size: 14px;
            }
        }

        @media (max-width: 991px) {
            .site-header .navbar {
                min-height: 62px;
            }

            .navbar-collapse {
                position: absolute;
                top: calc(100% + 8px);
                left: 12px;
                right: 12px;
                z-index: 1090;
                border-radius: 20px;
                background: rgba(22, 19, 33, 0.97);
                border: 1px solid rgba(255, 255, 255, 0.1);
                padding: 16px;
                box-shadow: 0 24px 48px -20px rgba(0, 0, 0, 0.4);
            }

            .navbar-nav {
                margin: 8px 0 16px;
            }

            .navbar-nav .nav-item {
                display: block;
            }

            .navbar-nav .nav-link {
                padding: 12px 10px;
                margin: 0;
                border-radius: 12px;
                font-size: 15px;
            }

            .navbar-nav .nav-link:hover,
            .navbar-nav .nav-link.active {
                background: rgba(255, 255, 255, 0.07);
                color: #fff;
            }

            .navbar-nav .nav-link::after {
                left: 10px;
                right: auto;
                width: 44px;
            }

            .header-actions {
                width: 100%;
                justify-content: space-between;
            }

            .cmd-search {
                flex: 1;
                max-width: unset;
            }

            .category-hero {
                margin-top: 62px;
                min-height: 480px;
                padding: 78px 0 120px;
            }

            .channel-links .grid {
                grid-template-columns: 1fr;
            }

            .intro-grid,
            .topic-showcase {
                grid-template-columns: 1fr;
            }

            .topic-showcase img {
                min-height: 240px;
            }

            .scenario-grid {
                grid-template-columns: 1fr;
            }

            .process-list {
                grid-template-columns: repeat(2, 1fr);
            }

            .faq-grid {
                grid-template-columns: 1fr;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 767px) {
            .section {
                padding: 70px 0;
            }

            .section-head {
                margin-bottom: 36px;
            }

            .category-hero {
                padding: 66px 0 110px;
                min-height: 440px;
            }

            .category-hero h1 {
                font-size: clamp(29px, 7vw, 42px);
            }

            .category-hero p {
                font-size: 16px;
            }

            .hero-btn-group .btn-grad,
            .hero-btn-group .btn-ghost {
                width: 100%;
            }

            .hero-stats {
                gap: 8px;
            }

            .hero-stat {
                padding: 8px 13px;
            }

            .hero-stat b {
                font-size: 18px;
            }

            .topic-grid {
                grid-template-columns: 1fr;
            }

            .topic-card {
                flex-direction: column;
            }

            .topic-thumb {
                width: 100%;
                max-width: 100%;
                aspect-ratio: 4 / 3;
            }

            .process-list {
                grid-template-columns: 1fr;
            }

            .topic-showcase-text {
                padding: 30px 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .cta-card .btn-grad,
            .cta-card .btn-ghost {
                width: 100%;
            }

            .faq-intro-card {
                padding: 28px 24px;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                letter-spacing: -0.015em;
            }

            .intro-point {
                padding: 16px;
            }

            .section-title {
                font-size: 26px;
            }

            .hero-btn-group .btn-grad i,
            .hero-btn-group .btn-ghost i {
                display: none;
            }

            .footer-bottom {
                font-size: 12px;
            }

            .site-domain {
                font-size: 12px;
            }

            .cmd-search span {
                display: none;
            }

            .cmd-search {
                width: auto;
                min-width: 52px;
                justify-content: center;
            }
        }

/* roulang page: category2 */
:root {
            --brand-purple: #7C5CFF;
            --brand-magenta: #B44DFF;
            --brand-pink: #FF4D8D;
            --brand-orange: #FFA26B;
            --teal: #2EE5C4;
            --amber: #FFB020;
            --bg-lavender: #F6F5FA;
            --surface-white: #FFFFFF;
            --ink: #171422;
            --body-text: #302C3C;
            --muted: #777184;
            --muted-2: #B9B5C4;
            --deep-bg: #161321;
            --deep-2: #1E1B2E;
            --border-soft: #E5E1EC;
            --radius-lg: 24px;
            --radius-md: 18px;
            --shadow-card: 0 8px 24px -12px rgba(28, 18, 50, 0.12);
            --shadow-hover: 0 20px 40px -16px rgba(80, 20, 120, 0.18);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.75;
            background: var(--bg-lavender);
            color: var(--body-text);
            -webkit-font-smoothing: antialiased;
            padding-top: 76px;
        }

        body.menu-open {
            overflow: hidden;
        }

        img {
            max-width: 100%;
            display: block;
            border: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        p {
            margin-bottom: 0;
        }

        button {
            font-family: inherit;
            background: none;
            border: none;
            outline: none;
            cursor: pointer;
        }

        input,
        textarea {
            outline: none;
            border: none;
        }

        ul,
        ol {
            list-style: none;
            padding-left: 0;
            margin-bottom: 0;
        }

        .container {
            max-width: 1280px;
            width: 100%;
            padding-left: 24px;
            padding-right: 24px;
            margin-inline: auto;
        }

        .btn:focus,
        .form-control:focus {
            box-shadow: none;
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 76px;
            z-index: 1040;
            background: rgba(22, 19, 33, 0.84);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 18px;
            color: #fff !important;
            margin-right: 0;
            padding: 0;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #7C5CFF, #FF4D8D);
            border-radius: 11px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 13px;
            letter-spacing: -0.02em;
            color: #fff;
            box-shadow: 0 6px 16px -6px rgba(255, 77, 141, 0.55);
        }

        .logo-text {
            font-weight: 800;
            letter-spacing: 0.01em;
        }

        .navbar-toggler {
            padding: 6px 10px;
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            line-height: 1;
        }

        .navbar-toggler:hover {
            border-color: rgba(255, 255, 255, 0.5);
        }

        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.72);
            padding: 10px 2px;
            position: relative;
            transition: color 0.2s ease;
        }

        .nav-link:hover {
            color: #fff;
        }

        .nav-link.active {
            color: #fff;
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: 3px;
            width: 22px;
            height: 2.5px;
            border-radius: 3px;
            background: linear-gradient(90deg, #7C5CFF, #FF4D8D);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .cmd-search {
            width: 224px;
            height: 38px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 0 10px 0 13px;
            color: rgba(255, 255, 255, 0.62);
            font-size: 13px;
            font-weight: 400;
            transition: border-color 0.2s ease, background 0.2s ease;
        }

        .cmd-search i {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
        }

        .cmd-search kbd {
            margin-left: auto;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 22px;
            min-width: 28px;
            padding: 0 6px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 7px;
            font-size: 11px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.66);
        }

        .cmd-search:hover {
            border-color: rgba(124, 92, 255, 0.45);
        }

        .header-cta {
            height: 40px;
            padding: 0 20px;
            display: inline-flex;
            align-items: center;
            gap: 7px;
            border-radius: 999px;
            background: linear-gradient(135deg, #FF4D8D, #FFA26B);
            color: #1b1424;
            font-weight: 700;
            font-size: 14px;
            white-space: nowrap;
            box-shadow: 0 8px 20px -6px rgba(255, 77, 141, 0.55);
            transition: transform 0.2s ease, filter 0.2s ease;
        }

        .header-cta i {
            font-size: 14px;
        }

        .header-cta:hover {
            color: #fff;
            filter: brightness(1.06);
            transform: translateY(-1px);
        }

        @media (max-width: 991.98px) {
            body {
                padding-top: 62px;
            }
            .site-header {
                height: 62px;
            }
            .site-header .container {
                flex-wrap: inherit;
            }
            .navbar {
                flex-wrap: nowrap;
            }
            .navbar-collapse {
                position: absolute;
                top: 62px;
                left: 0;
                right: 0;
                background: #191524;
                margin: 0;
                padding: 20px 24px 26px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                max-height: calc(100vh - 62px);
                overflow-y: auto;
            }
            .navbar-nav {
                gap: 4px;
                align-items: stretch;
                margin-bottom: 16px;
            }
            .nav-link {
                display: block;
                padding: 12px 8px;
                border-radius: 12px;
                color: rgba(255, 255, 255, 0.85);
            }
            .nav-link.active {
                background: rgba(124, 92, 255, 0.22);
                color: #fff;
            }
            .nav-link.active::after {
                display: none;
            }
            .header-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .cmd-search {
                width: 100%;
            }
            .header-cta {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #120f1d;
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            position: relative;
        }

        .site-footer::before {
            content: "";
            position: absolute;
            top: -1px;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, #7C5CFF, #FF4D8D, #FFA26B, transparent);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 50px;
            padding-bottom: 46px;
        }

        .site-footer .navbar-brand {
            margin-bottom: 18px;
        }

        .footer-desc {
            max-width: 460px;
            font-size: 14px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.56);
        }

        .footer-title {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

        .footer-links li {
            margin-bottom: 11px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

        .footer-links a:hover {
            color: #ff7aa8;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 18px 0 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.42);
        }

        .site-domain {
            font-family: "Inter", "Manrope", sans-serif;
            font-size: 13px;
        }

        @media (max-width: 767px) {
            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                justify-content: center;
                text-align: center;
            }
        }

        /* ===== Category Hero ===== */
        .category-hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            color: #fff;
            overflow: hidden;
            background:
                linear-gradient(100deg, rgba(15, 13, 26, 0.96) 8%, rgba(28, 18, 48, 0.82) 54%, rgba(77, 30, 90, 0.6)),
                url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 100px 0 84px;
        }

        .category-hero .hero-orbit {
            position: absolute;
            width: 460px;
            height: 460px;
            border-radius: 50%;
            right: -150px;
            top: -80px;
            background: radial-gradient(circle, rgba(124, 92, 255, 0.34), rgba(180, 77, 255, 0.08) 60%, transparent 70%);
            pointer-events: none;
        }

        .category-hero .hero-orbit.two {
            left: 38%;
            bottom: -260px;
            top: auto;
            width: 340px;
            height: 340px;
            background: radial-gradient(circle, rgba(255, 77, 141, 0.16), transparent 67%);
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 13px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 20px;
            backdrop-filter: blur(6px);
        }

        .hero-eyebrow i {
            font-size: 12px;
            color: #2EE5C4;
        }

        .category-hero h1 {
            font-size: clamp(30px, 4.6vw, 58px);
            line-height: 1.15;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 20px;
        }

        .category-hero h1 .grad-text {
            background: linear-gradient(135deg, #d7c7ff, #fb9bc4, #ffc39a);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .hero-lead {
            font-size: 17px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.78);
            max-width: 640px;
            margin-bottom: 28px;
        }

        .hero-btn-row {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .btn-brand-solid {
            height: 48px;
            padding: 0 28px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: 999px;
            background: linear-gradient(135deg, #FF4D8D, #FFA26B);
            color: #1b1424;
            font-weight: 800;
            font-size: 15px;
            white-space: nowrap;
            box-shadow: 0 12px 24px -13px rgba(255, 77, 141, 0.67);
            transition: transform 0.2s ease, filter 0.2s ease, box-shadow 0.2s ease;
        }

        .btn-brand-solid:hover {
            color: #1b1424;
            transform: translateY(-2px);
            filter: brightness(1.05);
            box-shadow: 0 18px 32px -14px rgba(255, 77, 141, 0.64);
        }

        .btn-brand-ghost {
            height: 48px;
            padding: 0 24px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.4);
            background: rgba(255, 255, 255, 0.04);
            color: rgba(255, 255, 255, 0.9);
            font-weight: 600;
            font-size: 14px;
            white-space: nowrap;
            transition: background 0.2s, border-color 0.2s, transform 0.2s;
        }

        .btn-brand-ghost:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.68);
            color: #fff;
            transform: translateY(-2px);
        }

        .hero-stat-panel {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-top: 54px;
            max-width: 620px;
        }

        .hero-stat {
            border: 1px solid rgba(255, 255, 255, 0.1);
            background: rgba(255, 255, 255, 0.07);
            border-radius: 18px;
            padding: 16px 12px 14px;
            text-align: center;
            backdrop-filter: blur(12px);
        }

        .hero-stat .num {
            font-family: "Inter", "Manrope", sans-serif;
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            display: block;
            line-height: 1.1;
            letter-spacing: -0.02em;
        }

        .hero-stat .lbl {
            font-size: 12.5px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 5px;
            display: block;
        }

        @media (max-width: 575px) {
            .category-hero {
                min-height: 0;
                padding: 64px 0 54px;
            }
            .hero-stat-panel {
                grid-template-columns: repeat(3, 1fr);
                margin-top: 36px;
            }
            .hero-stat .num {
                font-size: 21px;
            }
            .hero-lead {
                font-size: 15px;
            }
        }

        /* ===== Shared section styles ===== */
        .section {
            padding: 92px 0;
        }

        .section-head {
            margin-bottom: 46px;
        }

        .section-head.left {
            margin-bottom: 0;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.16em;
            color: var(--brand-purple);
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .eyebrow::before {
            content: "";
            display: inline-block;
            width: 18px;
            height: 2px;
            background: linear-gradient(90deg, var(--brand-purple), var(--brand-pink));
            border-radius: 4px;
        }

        .eyebrow.center {
            justify-content: center;
            margin-bottom: 12px;
        }

        .eyebrow.center::before,
        .eyebrow.center::after {
            content: "";
            display: inline-block;
            width: 18px;
            height: 2px;
            border-radius: 4px;
        }

        .eyebrow.center::after {
            background: linear-gradient(90deg, var(--brand-pink), var(--brand-purple));
        }

        h2 {
            font-size: clamp(24px, 3vw, 36px);
            line-height: 1.25;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -0.01em;
            margin: 0 0 16px;
        }

        .lead-copy {
            color: var(--muted);
            font-size: 16px;
            line-height: 1.85;
            max-width: 640px;
        }

        /* ===== Usage section ===== */
        .section-usage .section-head .lead-copy {
            margin-bottom: 0;
        }

        .usage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .usage-card {
            background: var(--surface-white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 28px 24px 24px;
            transition: box-shadow 0.22s ease, transform 0.22s ease, border-color 0.22s ease;
            position: relative;
            overflow: hidden;
        }

        .usage-card::after {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 70px;
            height: 70px;
            border-radius: 0 0 0 70px;
            background: linear-gradient(135deg, transparent 45%, rgba(124, 92, 255, 0.06) 45%);
        }

        .usage-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(124, 92, 255, 0.32);
        }

        .usage-icon {
            width: 48px;
            height: 48px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 15px;
            margin-bottom: 18px;
            font-size: 18px;
            color: #fff;
            background: linear-gradient(135deg, #7C5CFF, #B44DFF);
            box-shadow: 0 10px 20px -10px rgba(124, 92, 255, 0.7);
        }

        .usage-icon.warm {
            background: linear-gradient(135deg, #FF4D8D, #FFA26B);
            box-shadow: 0 10px 20px -10px rgba(255, 77, 141, 0.6);
        }

        .usage-icon.cool {
            background: linear-gradient(135deg, #2EE5C4, #7c5cff);
            box-shadow: 0 10px 20px -10px rgba(46, 229, 196, 0.5);
        }

        .usage-icon.deep {
            background: linear-gradient(135deg, #B44DFF, #FF4D8D);
            box-shadow: 0 10px 20px -10px rgba(180, 77, 255, 0.6);
        }

        .usage-card h3 {
            font-size: 17px;
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 10px;
        }

        .usage-card p {
            font-size: 14px;
            line-height: 1.78;
            color: var(--muted);
        }

        @media (max-width: 991px) {
            .usage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .usage-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Structure ===== */
        .section-structure {
            background: #fff;
            border-top: 1px solid rgba(229, 225, 236, 0.7);
            border-bottom: 1px solid rgba(229, 225, 236, 0.7);
        }

        .structure-media {
            position: relative;
            border-radius: 28px;
            overflow: hidden;
            box-shadow: 0 24px 60px -28px rgba(46, 27, 80, 0.45);
        }

        .structure-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(23, 20, 34, 0.02), rgba(23, 20, 34, 0.4));
        }

        .structure-media img {
            width: 100%;
            height: 100%;
            min-height: 380px;
            object-fit: cover;
        }

        .structure-float {
            position: absolute;
            left: 20px;
            bottom: 20px;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 18px 12px 14px;
            border-radius: 18px;
            background: rgba(22, 19, 33, 0.6);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
        }

        .structure-float i {
            font-size: 20px;
            color: var(--amber);
        }

        .structure-float .float-num {
            font-family: "Inter", sans-serif;
            font-size: 22px;
            font-weight: 800;
            line-height: 1;
        }

        .structure-float .float-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.72);
        }

        .mini-list {
            margin-top: 28px;
        }

        .mini-list-item {
            display: flex;
            gap: 14px;
            padding: 0 0 20px;
            margin-bottom: 20px;
            position: relative;
            border-bottom: 1px dashed #e5e1ec;
        }

        .mini-list-item:last-child {
            border-bottom: 0;
            padding-bottom: 0;
        }

        .mini-list-item .icon-wrap {
            width: 36px;
            height: 36px;
            flex: 0 0 36px;
            border-radius: 11px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(124, 92, 255, 0.12);
            color: var(--brand-purple);
            font-size: 15px;
        }

        .mini-list-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 4px;
        }

        .mini-list-item p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
        }

        @media (max-width: 991px) {
            .section-structure .section-head {
                margin-bottom: 28px;
            }
            .structure-media img {
                min-height: 300px;
            }
        }

        /* ===== Flow / Dark section ===== */
        .section-flow {
            background: var(--deep-bg);
            padding: 96px 0;
            color: rgba(255, 255, 255, 0.7);
            position: relative;
            overflow: hidden;
        }

        .section-flow::before {
            content: "";
            position: absolute;
            right: -160px;
            top: -160px;
            width: 440px;
            height: 440px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(124, 92, 255, 0.26), transparent 68%);
        }

        .section-flow::after {
            content: "";
            position: absolute;
            left: -120px;
            bottom: -200px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(255, 77, 141, 0.18), transparent 64%);
        }

        .section-flow h2 {
            color: #fff;
        }

        .section-flow .lead-copy {
            color: rgba(255, 255, 255, 0.6);
        }

        .section-flow .container {
            position: relative;
            z-index: 2;
        }

        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 52px;
        }

        .flow-step {
            border: 1px solid rgba(255, 255, 255, 0.1);
            background: rgba(255, 255, 255, 0.05);
            border-radius: 22px;
            padding: 28px 24px 24px;
            transition: background 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
            position: relative;
            backdrop-filter: blur(8px);
        }

        .flow-step:hover {
            background: rgba(255, 255, 255, 0.09);
            border-color: rgba(124, 92, 255, 0.55);
            transform: translateY(-4px);
        }

        .flow-step .step-no {
            font-family: "Inter", sans-serif;
            font-size: 12px;
            font-weight: 800;
            letter-spacing: 0.12em;
            color: rgba(255, 255, 255, 0.4);
            display: block;
            margin-bottom: 14px;
        }

        .flow-step .step-icon {
            font-size: 22px;
            color: #ff8fb4;
            margin-bottom: 12px;
        }

        .flow-step h3 {
            font-size: 17px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 9px;
        }

        .flow-step p {
            font-size: 14px;
            line-height: 1.78;
            color: rgba(255, 255, 255, 0.6);
        }

        @media (max-width: 991px) {
            .flow-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .flow-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Score Section ===== */
        .section-score {
            background: var(--bg-lavender);
            padding: 96px 0;
        }

        .quality-copy {
            margin-top: 6px;
            margin-bottom: 30px;
        }

        .quality-chip-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .quality-chip {
            display: flex;
            gap: 13px;
            align-items: flex-start;
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: 16px;
            padding: 14px 16px;
            transition: box-shadow 0.2s ease;
        }

        .quality-chip:hover {
            box-shadow: var(--shadow-card);
        }

        .quality-chip .ic {
            width: 34px;
            height: 34px;
            flex: 0 0 34px;
            border-radius: 10px;
            background: rgba(124, 92, 255, 0.14);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-purple);
            font-size: 15px;
        }

        .quality-chip .text {
            font-size: 14px;
        }

        .quality-chip strong {
            display: block;
            color: var(--ink);
            font-size: 15px;
            font-weight: 800;
            margin-bottom: 2px;
        }

        .quality-chip span {
            color: var(--muted);
            line-height: 1.7;
        }

        .score-panel {
            background: linear-gradient(150deg, #fff, #f9f7fd);
            border: 1px solid var(--border-soft);
            border-radius: 28px;
            padding: 32px;
            box-shadow: 0 24px 70px -35px rgba(52, 27, 96, 0.3);
        }

        .score-panel-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            padding-bottom: 24px;
            border-bottom: 1px solid #eee8f3;
            flex-wrap: wrap;
        }

        .score-main {
            font-size: 16px;
            font-weight: 600;
            color: var(--body-text);
        }

        .score-main .score-num {
            font-family: "Inter", sans-serif;
            font-size: 56px;
            line-height: 1;
            font-weight: 800;
            background: linear-gradient(135deg, #7C5CFF, #FF4D8D);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: inline-block;
            margin-right: 5px;
            letter-spacing: -0.02em;
        }

        .score-note {
            font-size: 13px;
            color: var(--muted);
            max-width: 220px;
            line-height: 1.6;
        }

        .score-item {
            padding: 18px 0 10px;
        }

        .score-item .row-line {
            display: flex;
            justify-content: space-between;
            font-size: 14px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 8px;
        }

        .score-item .score-val {
            font-family: "Inter", sans-serif;
            font-weight: 800;
            font-size: 14px;
            color: var(--brand-purple);
        }

        .score-bar {
            height: 8px;
            background: #efeaf5;
            border-radius: 20px;
            overflow: hidden;
        }

        .score-fill {
            height: 100%;
            border-radius: 20px;
            background: linear-gradient(90deg, #7C5CFF, #FF4D8D);
        }

        @media (max-width: 767px) {
            .section-score .row > div:first-child {
                margin-bottom: 40px;
            }
            .score-panel {
                padding: 24px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #fff;
            padding: 92px 0;
        }

        .faq-wrap {
            display: grid;
            grid-template-columns: 0.85fr 1.5fr;
            gap: 66px;
            align-items: start;
        }

        .faq-intro h2 {
            margin-top: 6px;
        }

        .faq-intro .lead-copy {
            font-size: 15px;
            margin-top: 6px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: #f7f5fa;
            border: 1px solid #ede9f2;
            border-radius: 18px;
            overflow: hidden;
            transition: background 0.2s, border-color 0.2s;
        }

        .faq-item:has(.show) {
            background: #fff;
            border-color: rgba(124, 92, 255, 0.34);
            box-shadow: 0 14px 28px -18px rgba(80, 20, 120, 0.24);
        }

        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            padding: 19px 22px;
            text-align: left;
            color: var(--ink);
            font-size: 16px;
            font-weight: 700;
            line-height: 1.4;
            transition: color 0.18s;
        }

        .faq-q:hover {
            color: var(--brand-purple);
        }

        .faq-q i {
            flex: 0 0 18px;
            width: 18px;
            height: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(124, 92, 255, 0.14);
            color: var(--brand-purple);
            font-size: 13px;
            transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease;
        }

        .faq-item:has(.show) .faq-q i {
            transform: rotate(45deg);
            background: var(--brand-purple);
            color: #fff;
        }

        .faq-a {
            padding: 0 22px 20px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.85;
        }

        @media (max-width: 991px) {
            .faq-wrap {
                grid-template-columns: 1fr;
                gap: 36px;
            }
        }

        /* ===== CTA ===== */
        .section-cta {
            background: var(--bg-lavender);
            padding: 88px 0;
        }

        .cta-panel {
            border-radius: 34px;
            color: #fff;
            text-align: center;
            padding: 76px 32px 72px;
            background: linear-gradient(120deg, #241d3d 10%, #441c52 48%, #6d2456 100%);
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(124, 92, 255, 0.7), transparent 70%);
            top: -210px;
            left: -80px;
        }

        .cta-panel::after {
            content: "";
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 77, 141, 0.44), transparent 69%);
            bottom: -140px;
            right: -50px;
        }

        .cta-inner {
            position: relative;
            z-index: 5;
        }

        .cta-panel h2 {
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-panel .lead-copy {
            color: rgba(255, 255, 255, 0.7);
            margin: 0 auto 30px;
            max-width: 560px;
            font-size: 15px;
        }

        .cta-btn {
            height: 52px;
            padding: 0 34px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 999px;
            background: linear-gradient(135deg, #FF4D8D, #FFA26B);
            color: #1b1424;
            font-weight: 800;
            font-size: 15px;
            box-shadow: 0 15px 30px -12px rgba(255, 77, 141, 0.72);
            transition: transform 0.22s ease, filter 0.22s ease;
        }

        .cta-btn:hover {
            color: #fff;
            transform: translateY(-2px);
            filter: brightness(1.05);
        }

        /* ===== Back to top ===== */
        .to-top {
            position: fixed;
            right: 24px;
            bottom: 24px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(22, 19, 33, 0.88);
            border: 1px solid rgba(255, 255, 255, 0.16);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1020;
            font-size: 16px;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.25s ease, transform 0.25s ease;
        }

        .to-top.show {
            opacity: 1;
            pointer-events: auto;
        }

        .to-top:hover {
            background: linear-gradient(135deg, #7C5CFF, #FF4D8D);
            transform: translateY(-3px);
        }

        @media (max-width: 575px) {
            .to-top {
                right: 16px;
                bottom: 16px;
            }
        }

        @media (max-width: 767px) {
            .section {
                padding: 64px 0;
            }
            .section-flow {
                padding: 64px 0;
            }
            .section-score {
                padding: 64px 0;
            }
            .faq-section {
                padding: 64px 0;
            }
            .section-cta {
                padding: 60px 0;
            }
        }

/* roulang page: category3 */
:root {
            --font-main: "Manrope", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --bg: #F6F5FA;
            --bg-soft: #EFEDF6;
            --ink: #171422;
            --text: #302C3C;
            --muted: #777184;
            --disabled: #B9B5C4;
            --line: rgba(30, 27, 46, 0.08);
            --white: #FFFFFF;
            --purple: #7C5CFF;
            --violet: #B44DFF;
            --pink: #FF4D8D;
            --amber: #FFA26B;
            --cyan: #2EE5C4;
            --yellow: #FFB020;
            --deep: #1E1B2E;
            --deep-2: #161321;
            --gradient-primary: linear-gradient(135deg, #7C5CFF 0%, #B44DFF 100%);
            --gradient-cta: linear-gradient(135deg, #FF4D8D 0%, #FFA26B 100%);
            --gradient-text: linear-gradient(120deg, #FF4D8D, #FFA26B);
            --radius-lg: 24px;
            --radius-md: 18px;
            --radius-sm: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 24px -12px rgba(28, 18, 50, 0.12);
            --shadow-hover: 0 20px 40px -16px rgba(80, 20, 120, 0.2);
            --header-height: 76px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-main);
            background: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--purple);
        }

        button,
        input {
            font-family: inherit;
        }

        ul,
        ol,
        p,
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            padding: 0;
        }

        .container {
            max-width: 1280px;
        }

        .section {
            padding: 100px 0;
        }

        .section--soft {
            background: var(--bg-soft);
        }

        .section--white {
            background: var(--white);
        }

        .section-head {
            margin-bottom: 52px;
        }

        .section-head .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.12em;
            color: var(--purple);
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .section-head .eyebrow::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--gradient-primary);
            display: inline-block;
        }

        .section-head h2 {
            font-size: 34px;
            line-height: 1.25;
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 14px;
            letter-spacing: -0.4px;
        }

        .section-head .lead-text {
            max-width: 640px;
            color: var(--muted);
            font-size: 16px;
            line-height: 1.8;
        }

        .section-head.text-center .lead-text {
            margin-left: auto;
            margin-right: auto;
        }

        .btn-main {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--gradient-cta);
            color: #1E1B2E;
            border: 0;
            border-radius: var(--radius-pill);
            padding: 12px 26px;
            font-weight: 700;
            font-size: 15px;
            line-height: 1;
            transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
        }

        .btn-main:hover {
            color: #1E1B2E;
            filter: brightness(1.05);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px -10px rgba(255, 77, 141, 0.45);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            border-radius: var(--radius-pill);
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1;
            transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.34);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-dark-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--deep-2);
            color: #fff;
            border-radius: var(--radius-pill);
            padding: 12px 24px;
            font-weight: 700;
            font-size: 15px;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .btn-dark-pill:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 28px -14px rgba(22, 19, 33, 0.6);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(22, 19, 33, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-header .navbar {
            position: relative;
            min-height: 76px;
            padding-top: 0;
            padding-bottom: 0;
        }

        .site-header .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin-right: 24px;
        }

        .site-header .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: var(--gradient-primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            line-height: 1;
            flex-shrink: 0;
        }

        .site-header .logo-text {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.2px;
            white-space: nowrap;
        }

        .site-header .navbar-nav {
            align-items: center;
            gap: 4px;
        }

        .site-header .nav-link {
            color: rgba(255, 255, 255, 0.68);
            font-weight: 500;
            font-size: 15px;
            padding: 10px 14px !important;
            border-radius: 999px;
            transition: color 0.2s ease, background 0.2s ease;
            position: relative;
        }

        .site-header .nav-link:hover,
        .site-header .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .site-header .nav-link.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 4px;
            height: 2px;
            border-radius: 2px;
            background: var(--gradient-primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .cmd-search {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 12px;
            height: 38px;
            padding: 0 12px;
            width: 220px;
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
            transition: border-color 0.2s ease, background 0.2s ease;
        }

        .cmd-search i {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
        }

        .cmd-search span {
            flex: 1;
        }

        .cmd-search kbd {
            background: rgba(255, 255, 255, 0.14);
            border-radius: 6px;
            color: rgba(255, 255, 255, 0.8);
            padding: 2px 7px;
            font-size: 11px;
            font-weight: 700;
            border: 0;
            font-family: inherit;
        }

        .cmd-search:hover {
            border-color: rgba(255, 255, 255, 0.24);
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--gradient-cta);
            color: #1E1B2E;
            border-radius: 999px;
            height: 40px;
            padding: 0 20px;
            font-weight: 700;
            font-size: 14px;
            white-space: nowrap;
            transition: transform 0.2s ease, filter 0.2s ease;
        }

        .header-cta:hover {
            color: #1E1B2E;
            filter: brightness(1.05);
            transform: translateY(-1px);
        }

        .navbar-toggler {
            border: 0;
            color: #fff;
            padding: 4px 8px;
            font-size: 22px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
        }

        .category-hero {
            position: relative;
            background: var(--deep-2) url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
            overflow: hidden;
            padding: 92px 0 84px;
            color: #fff;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(22, 19, 33, 0.94) 20%, rgba(22, 19, 33, 0.68) 65%, rgba(30, 27, 46, 0.42) 100%);
        }

        .category-hero::after {
            content: "";
            position: absolute;
            right: -120px;
            top: -160px;
            width: 460px;
            height: 460px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(124, 92, 255, 0.42) 0%, transparent 70%);
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb-line {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            margin-bottom: 30px;
        }

        .breadcrumb-line a {
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.2s ease;
        }

        .breadcrumb-line a:hover {
            color: #fff;
        }

        .breadcrumb-line .sep {
            opacity: 0.5;
        }

        .category-hero .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 999px;
            padding: 6px 14px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 22px;
        }

        .category-hero .eyebrow i {
            color: var(--cyan);
        }

        .category-hero h1 {
            font-size: clamp(30px, 4.6vw, 54px);
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.6px;
            margin-bottom: 18px;
        }

        .category-hero h1 .hero-brand {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .category-hero p.lead {
            max-width: 680px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 17px;
            line-height: 1.85;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            margin-bottom: 30px;
        }

        .hero-pills {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            padding: 0;
        }

        .hero-pills li {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 999px;
            padding: 7px 14px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.78);
        }

        .hero-pills li i {
            color: var(--cyan);
        }

        .insight-section {
            padding: 100px 0;
        }

        .insight-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.25s ease;
        }

        .insight-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .insight-inner {
            display: flex;
            align-items: stretch;
            flex-direction: row;
        }

        .insight-content {
            padding: 42px;
            flex: 1 1 56%;
        }

        .insight-content .tag-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(124, 92, 255, 0.1);
            color: var(--purple);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 700;
            padding: 6px 13px;
            margin-bottom: 22px;
        }

        .insight-content h2 {
            font-size: 29px;
            line-height: 1.35;
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .insight-content p {
            color: var(--muted);
            line-height: 1.85;
            margin-bottom: 22px;
        }

        .insight-list {
            list-style: none;
            padding: 0;
            margin: 0 0 28px;
        }

        .insight-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            color: var(--text);
            font-size: 15px;
            line-height: 1.6;
        }

        .insight-list li i {
            color: var(--purple);
            margin-top: 4px;
            font-size: 14px;
        }

        .insight-visual {
            flex: 1 1 44%;
            min-height: 360px;
            position: relative;
            background: var(--deep-2);
            overflow: hidden;
        }

        .insight-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .insight-visual::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(22, 19, 33, 0) 35%, rgba(22, 19, 33, 0.18) 100%);
        }

        .topic-section {
            background: var(--white);
            padding: 100px 0;
            border-top: 1px solid var(--line);
        }

        .topic-grid {
            display: flex;
            flex-wrap: wrap;
            margin: -12px;
        }

        .topic-col {
            flex: 1 1 33.333%;
            padding: 12px;
        }

        .entry-card {
            border-radius: var(--radius-md);
            background: var(--bg-soft);
            padding: 32px 28px;
            border: 1px solid transparent;
            height: 100%;
            transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
            position: relative;
            overflow: hidden;
        }

        .entry-card::before {
            content: "";
            position: absolute;
            width: 92px;
            height: 92px;
            border-radius: 50%;
            right: -28px;
            top: -28px;
            background: rgba(124, 92, 255, 0.06);
        }

        .entry-card:hover {
            transform: translateY(-3px);
            border-color: rgba(124, 92, 255, 0.2);
            box-shadow: var(--shadow-hover);
        }

        .entry-card .entry-icon {
            width: 50px;
            height: 50px;
            border-radius: 16px;
            background: var(--gradient-primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 22px;
        }

        .entry-card--warm .entry-icon {
            background: var(--gradient-cta);
        }

        .entry-card--dark {
            background: var(--deep);
            color: #fff;
            border-color: transparent;
        }

        .entry-card--dark::before {
            background: rgba(255, 77, 141, 0.16);
        }

        .entry-card--dark h3 {
            color: #fff;
        }

        .entry-card h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 10px;
            letter-spacing: -0.2px;
        }

        .entry-card p {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .entry-card--dark p {
            color: rgba(255, 255, 255, 0.66);
        }

        .entry-list {
            list-style: none;
            padding: 0;
            margin: 0 0 22px;
        }

        .entry-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--disabled);
            font-size: 14px;
            padding: 6px 0;
            font-weight: 500;
        }

        .entry-card--dark .entry-list li {
            color: rgba(255, 255, 255, 0.55);
        }

        .entry-list li i {
            color: var(--cyan);
            width: 16px;
            font-size: 12px;
        }

        .entry-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 700;
            color: var(--purple);
            transition: gap 0.2s ease;
        }

        .entry-card--dark .entry-link {
            color: #fff;
        }

        .entry-link:hover {
            gap: 12px;
            color: var(--pink);
        }

        .player-section {
            background: var(--deep-2);
            color: #fff;
            position: relative;
            overflow: hidden;
            padding: 100px 0;
        }

        .player-section::before {
            content: "";
            position: absolute;
            left: -120px;
            bottom: -200px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(124, 92, 255, 0.3), transparent 70%);
        }

        .player-section .section-head .lead-text {
            color: rgba(255, 255, 255, 0.6);
        }

        .player-section .section-head h2 {
            color: #fff;
        }

        .player-section .section-head .eyebrow {
            color: var(--cyan);
        }

        .player-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .player-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 30px 26px;
            transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
            backdrop-filter: blur(6px);
        }

        .player-card:hover {
            transform: translateY(-3px);
            border-color: rgba(124, 92, 255, 0.5);
            background: rgba(255, 255, 255, 0.07);
        }

        .player-card .num {
            font-size: 26px;
            font-weight: 800;
            color: transparent;
            -webkit-text-stroke: 1px rgba(255, 255, 255, 0.3);
            line-height: 1;
            display: block;
            margin-bottom: 18px;
        }

        .player-card h3 {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
        }

        .player-card p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            line-height: 1.75;
            margin-bottom: 0;
        }

        .player-media {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            min-height: 260px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .player-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .process-section {
            padding: 100px 0;
            background: var(--white);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
            margin-top: 8px;
        }

        .process-step {
            position: relative;
            padding: 30px 20px 16px;
            border-radius: var(--radius-md);
            background: var(--bg);
            border: 1px solid var(--line);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .process-step:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .process-step .step-index {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 12px;
            background: var(--deep);
            color: #fff;
            font-weight: 800;
            font-size: 13px;
            margin-bottom: 18px;
        }

        .process-step:nth-child(2) .step-index {
            background: var(--gradient-cta);
            color: #1E1B2E;
        }

        .process-step:nth-child(3) .step-index {
            background: var(--purple);
        }

        .process-step:nth-child(4) .step-index {
            background: var(--cyan);
            color: #1E1B2E;
        }

        .process-step h3 {
            font-size: 17px;
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 8px;
        }

        .process-step p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .faq-section {
            padding: 100px 0;
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 0.85fr 1.4fr;
            gap: 56px;
            align-items: start;
        }

        .faq-heading h2 {
            font-size: 34px;
            line-height: 1.3;
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 18px;
        }

        .faq-heading p {
            color: var(--muted);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .faq-heading .support-tip {
            background: var(--white);
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
            padding: 20px 22px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
            color: var(--text);
            font-size: 14px;
        }

        .faq-heading .support-tip i {
            color: var(--purple);
            font-size: 20px;
            margin-top: 2px;
        }

        .accordion .accordion-item {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-md) !important;
            box-shadow: var(--shadow-card);
            margin-bottom: 14px;
            overflow: hidden;
        }

        .accordion .accordion-item:last-child {
            margin-bottom: 0;
        }

        .accordion .accordion-button {
            background: var(--white);
            color: var(--ink);
            padding: 20px 24px;
            font-weight: 700;
            font-size: 16px;
            line-height: 1.5;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            transition: background 0.2s ease, color 0.2s ease;
        }

        .accordion .accordion-button:not(.collapsed) {
            color: var(--purple);
            background: rgba(124, 92, 255, 0.04);
        }

        .accordion .accordion-button:focus {
            box-shadow: none;
            outline: none;
        }

        .accordion .accordion-button::after {
            background-image: none;
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 14px;
            color: var(--muted);
            width: 28px;
            height: 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: var(--bg);
            transition: transform 0.3s ease;
        }

        .accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--purple);
        }

        .accordion .accordion-body {
            padding: 4px 24px 22px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.85;
        }

        .cross-cats {
            padding: 96px 0;
        }

        .cross-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 30px;
            height: 100%;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .cross-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .cross-card h3 {
            font-size: 19px;
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 8px;
        }

        .cross-card p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .cross-card a {
            color: var(--purple);
            font-weight: 700;
            font-size: 14px;
        }

        .cta-section {
            padding: 40px 0 104px;
        }

        .cta-panel {
            position: relative;
            overflow: hidden;
            background: var(--deep-2);
            border-radius: 28px;
            padding: 62px 48px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            left: 50%;
            top: -180px;
            transform: translateX(-50%);
            width: 600px;
            height: 380px;
            background: radial-gradient(ellipse, rgba(124, 92, 255, 0.38), transparent 70%);
        }

        .cta-panel h2 {
            position: relative;
            color: #fff;
            font-size: 32px;
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: -0.4px;
            margin-bottom: 12px;
        }

        .cta-panel p {
            position: relative;
            color: rgba(255, 255, 255, 0.66);
            max-width: 620px;
            margin: 0 auto 26px;
            font-size: 16px;
        }

        .cta-panel .btn-main {
            position: relative;
        }

        .site-footer {
            background: #14111f;
            color: rgba(255, 255, 255, 0.65);
            padding-top: 72px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-footer .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 54px;
        }

        .site-footer .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            margin: 0 0 18px;
        }

        .site-footer .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 12px;
            background: var(--gradient-primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 15px;
        }

        .site-footer .logo-text {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
        }

        .site-footer .footer-desc {
            font-size: 14px;
            line-height: 1.9;
            max-width: 420px;
            color: rgba(255, 255, 255, 0.48);
            margin: 0;
        }

        .site-footer .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }

        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: color 0.2s ease, transform 0.2s ease;
        }

        .site-footer .footer-links a::before {
            content: "";
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--purple);
            opacity: 0.5;
            transition: opacity 0.2s ease;
        }

        .site-footer .footer-links a:hover {
            color: #fff;
            transform: translateX(2px);
        }

        .site-footer .footer-links a:hover::before {
            opacity: 1;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            padding: 22px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.36);
            font-size: 13px;
        }

        .footer-bottom .site-domain {
            color: rgba(255, 255, 255, 0.22);
            font-weight: 500;
            letter-spacing: 0.3px;
        }

        @media (max-width: 1199.98px) {
            .site-header .cmd-search {
                width: 180px;
            }

            .topic-grid {
                margin: -10px;
            }

            .topic-col {
                flex-basis: 50%;
                padding: 10px;
            }
        }

        @media (max-width: 991.98px) {
            .site-header .navbar-collapse {
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(22, 19, 33, 0.97);
                border-radius: 18px;
                box-shadow: 0 24px 48px rgba(0, 0, 0, 0.28);
                padding: 18px;
                backdrop-filter: blur(18px);
                border: 1px solid rgba(255, 255, 255, 0.08);
            }

            .site-header .navbar-nav {
                gap: 2px;
                align-items: stretch;
            }

            .site-header .nav-link.active::after {
                display: none;
            }

            .header-actions {
                flex-wrap: wrap;
                margin-top: 16px;
                gap: 12px;
            }

            .cmd-search {
                width: 100%;
            }

            .player-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .player-media {
                min-height: 280px;
            }

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .faq-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .insight-inner {
                flex-direction: column;
            }

            .insight-content {
                padding: 30px;
            }

            .insight-visual {
                min-height: 260px;
                flex: auto;
            }
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 72px 0;
            }

            .category-hero {
                padding: 74px 0 68px;
            }

            .category-hero h1 {
                font-size: 32px;
            }

            .category-hero p.lead {
                font-size: 16px;
            }

            .section-head h2 {
                font-size: 27px;
            }

            .section-head .eyebrow {
                font-size: 12px;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 34px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .process-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .topic-col {
                flex-basis: 100%;
                padding: 8px;
            }

            .topic-grid {
                margin: -8px;
            }

            .cta-panel {
                padding: 42px 22px;
            }

            .cta-panel h2 {
                font-size: 26px;
            }

            .cross-card {
                padding: 24px;
            }

            .player-section,
            .topic-section,
            .process-section,
            .faq-section {
                padding: 72px 0;
            }

            .insight-visual {
                min-height: 220px;
            }
        }

        @media (max-width: 520px) {
            .hero-actions {
                align-items: stretch;
                flex-direction: column;
            }

            .hero-actions .btn-main,
            .hero-actions .btn-ghost {
                width: 100%;
            }

            .hero-pills {
                margin-top: 6px;
            }

            .hero-pills li {
                width: 100%;
            }

            .insight-content {
                padding: 24px 20px;
            }

            .player-card {
                padding: 24px 20px;
            }

            .cta-panel {
                padding: 36px 18px;
            }
        }