/* roulang page: index */
:root {
            --bg: #0b1020;
            --bg-soft: #111827;
            --surface: #ffffff;
            --surface-soft: #f8fafc;
            --surface-warm: #fff7ed;
            --text: #172033;
            --text-strong: #0f172a;
            --text-muted: #64748b;
            --text-light: #e5e7eb;
            --primary: #ff4d6d;
            --primary-dark: #e11d48;
            --secondary: #7c3aed;
            --accent: #22d3ee;
            --gold: #fbbf24;
            --green: #16a34a;
            --border: rgba(148, 163, 184, .25);
            --border-dark: rgba(255, 255, 255, .12);
            --shadow-sm: 0 10px 25px rgba(15, 23, 42, .08);
            --shadow-md: 0 18px 45px rgba(15, 23, 42, .14);
            --shadow-lg: 0 28px 90px rgba(15, 23, 42, .25);
            --radius-sm: 14px;
            --radius-md: 22px;
            --radius-lg: 32px;
            --container: 1180px;
            --ease: cubic-bezier(.2, .8, .2, 1);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            min-height: 100vh;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
            color: var(--text);
            background:
                radial-gradient(circle at 8% 0%, rgba(255, 77, 109, .12), transparent 28%),
                radial-gradient(circle at 94% 12%, rgba(124, 58, 237, .13), transparent 30%),
                linear-gradient(180deg, #fff 0%, #f8fafc 36%, #ffffff 100%);
            line-height: 1.7;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s var(--ease), background .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
        }

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

        button, input, select, textarea {
            font: inherit;
        }

        button {
            border: 0;
            cursor: pointer;
        }

        input, select, textarea {
            border: 0;
            outline: none;
        }

        :focus-visible {
            outline: 3px solid rgba(34, 211, 238, .55);
            outline-offset: 3px;
            border-radius: 12px;
        }

        .container {
            width: min(var(--container), calc(100% - 40px));
            margin: 0 auto;
        }

        .site-header {
            position: fixed;
            inset: 16px 0 auto 0;
            z-index: 1000;
            pointer-events: none;
        }

        .nav-shell {
            pointer-events: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            min-height: 68px;
            padding: 12px 16px 12px 18px;
            border: 1px solid rgba(255, 255, 255, .18);
            border-radius: 999px;
            background: rgba(15, 23, 42, .42);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 18px 60px rgba(2, 6, 23, .18);
            color: #fff;
            transition: background .25s var(--ease), border .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--ease);
        }

        .site-header.is-solid .nav-shell {
            background: rgba(255, 255, 255, .92);
            color: var(--text-strong);
            border-color: rgba(15, 23, 42, .08);
            box-shadow: var(--shadow-md);
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
            font-weight: 900;
            letter-spacing: -.03em;
            white-space: nowrap;
        }

        .brand-mark {
            width: 42px;
            height: 42px;
            border-radius: 16px;
            display: grid;
            place-items: center;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            box-shadow: 0 12px 28px rgba(255, 77, 109, .35);
            color: #fff;
            font-size: 18px;
            flex: 0 0 auto;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.12;
        }

        .brand-main {
            font-size: 15px;
        }

        .brand-sub {
            margin-top: 3px;
            font-size: 11px;
            font-weight: 700;
            color: rgba(255, 255, 255, .68);
            letter-spacing: .08em;
        }

        .site-header.is-solid .brand-sub {
            color: var(--text-muted);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 40px;
            padding: 0 16px;
            border-radius: 999px;
            color: rgba(255, 255, 255, .84);
            font-size: 14px;
            font-weight: 800;
        }

        .site-header.is-solid .nav-link {
            color: var(--text);
        }

        .nav-link:hover,
        .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, .14);
        }

        .site-header.is-solid .nav-link:hover,
        .site-header.is-solid .nav-link.active {
            color: var(--primary-dark);
            background: rgba(255, 77, 109, .10);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            width: 230px;
            min-height: 42px;
            padding: 0 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .14);
        }

        .site-header.is-solid .nav-search {
            background: #f1f5f9;
            border-color: rgba(15, 23, 42, .06);
        }

        .nav-search span {
            opacity: .8;
        }

        .nav-search input {
            width: 100%;
            background: transparent;
            color: inherit;
            font-size: 13px;
        }

        .nav-search input::placeholder {
            color: rgba(255, 255, 255, .56);
        }

        .site-header.is-solid .nav-search input::placeholder {
            color: #94a3b8;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 42px;
            padding: 0 17px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            font-size: 14px;
            font-weight: 900;
            box-shadow: 0 16px 30px rgba(225, 29, 72, .28);
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 20px 36px rgba(225, 29, 72, .36);
        }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 16px;
            background: rgba(255, 255, 255, .14);
            color: #fff;
            align-items: center;
            justify-content: center;
        }

        .site-header.is-solid .menu-toggle {
            background: #f1f5f9;
            color: var(--text-strong);
        }

        .menu-toggle i,
        .menu-toggle i::before,
        .menu-toggle i::after {
            display: block;
            width: 18px;
            height: 2px;
            border-radius: 999px;
            background: currentColor;
            content: "";
            transition: transform .25s var(--ease), opacity .25s var(--ease);
        }

        .menu-toggle i {
            position: relative;
        }

        .menu-toggle i::before {
            position: absolute;
            top: -6px;
        }

        .menu-toggle i::after {
            position: absolute;
            top: 6px;
        }

        .menu-toggle.is-open i {
            transform: rotate(45deg);
        }

        .menu-toggle.is-open i::before {
            transform: translateY(6px) rotate(90deg);
        }

        .menu-toggle.is-open i::after {
            opacity: 0;
        }

        main {
            overflow: hidden;
        }

        .section {
            padding: 88px 0;
            position: relative;
        }

        .section-tight {
            padding: 70px 0;
        }

        .section-dark {
            color: #fff;
            background:
                radial-gradient(circle at 18% 18%, rgba(255, 77, 109, .22), transparent 28%),
                radial-gradient(circle at 86% 26%, rgba(34, 211, 238, .18), transparent 28%),
                linear-gradient(135deg, #0f172a 0%, #17102d 48%, #111827 100%);
        }

        .section-head {
            display: grid;
            grid-template-columns: minmax(0, .9fr) minmax(260px, .55fr);
            gap: 34px;
            align-items: end;
            margin-bottom: 34px;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            width: fit-content;
            padding: 7px 12px;
            border-radius: 999px;
            background: rgba(255, 77, 109, .10);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 900;
            letter-spacing: .02em;
        }

        .eyebrow.dark {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .14);
        }

        .section-title {
            margin-top: 14px;
            font-size: clamp(28px, 3.3vw, 46px);
            line-height: 1.16;
            letter-spacing: -.045em;
            color: var(--text-strong);
        }

        .section-dark .section-title,
        .section-dark .section-desc {
            color: #fff;
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 660px;
        }

        .hero {
            min-height: 760px;
            padding: 142px 0 82px;
            color: #fff;
            background:
                linear-gradient(90deg, rgba(5, 8, 18, .96) 0%, rgba(12, 16, 33, .78) 39%, rgba(13, 18, 37, .35) 68%, rgba(5, 8, 18, .86) 100%),
                radial-gradient(circle at 68% 36%, rgba(255, 77, 109, .26), transparent 28%),
                radial-gradient(circle at 86% 16%, rgba(124, 58, 237, .22), transparent 30%),
                linear-gradient(135deg, #090d19 0%, #111827 48%, #2a1027 100%);
            position: relative;
        }

        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
            background-size: 48px 48px;
            mask-image: linear-gradient(180deg, rgba(0,0,0,.9), rgba(0,0,0,.14));
            pointer-events: none;
        }

        .hero::after {
            content: "";
            position: absolute;
            right: -110px;
            top: 120px;
            width: 520px;
            height: 520px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 77, 109, .24), transparent 62%);
            filter: blur(4px);
            pointer-events: none;
        }

        .hero-stage {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: minmax(0, .82fr) minmax(420px, .72fr);
            gap: 52px;
            align-items: center;
        }

        .hero-copy {
            max-width: 720px;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 8px 13px 8px 8px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .10);
            border: 1px solid rgba(255, 255, 255, .14);
            backdrop-filter: blur(16px);
            font-size: 13px;
            font-weight: 900;
            color: rgba(255, 255, 255, .92);
        }

        .hero-kicker b {
            display: inline-grid;
            place-items: center;
            width: 28px;
            height: 28px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--primary), var(--gold));
            color: #fff;
        }

        .hero h1 {
            margin-top: 22px;
            font-size: clamp(42px, 6vw, 76px);
            line-height: .98;
            letter-spacing: -.07em;
            max-width: 820px;
        }

        .hero h1 span {
            display: block;
            background: linear-gradient(135deg, #fff 0%, #ffe4e6 42%, #a5f3fc 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .hero-desc {
            margin-top: 24px;
            max-width: 650px;
            font-size: 18px;
            color: rgba(255, 255, 255, .78);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 50px;
            padding: 0 22px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 900;
            border: 1px solid transparent;
            white-space: nowrap;
            transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), border .25s var(--ease);
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            box-shadow: 0 20px 45px rgba(225, 29, 72, .30);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 26px 55px rgba(225, 29, 72, .40);
        }

        .btn-ghost {
            color: #fff;
            background: rgba(255, 255, 255, .10);
            border-color: rgba(255, 255, 255, .18);
            backdrop-filter: blur(12px);
        }

        .btn-ghost:hover {
            transform: translateY(-3px);
            background: rgba(255, 255, 255, .16);
        }

        .btn-light {
            background: #fff;
            color: var(--text-strong);
            box-shadow: var(--shadow-sm);
        }

        .btn-light:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .hero-points {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 26px;
        }

        .data-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 12px;
            border-radius: 999px;
            color: rgba(255,255,255,.9);
            background: rgba(255,255,255,.10);
            border: 1px solid rgba(255,255,255,.14);
            font-size: 13px;
            font-weight: 800;
        }

        .data-pill strong {
            color: #fff;
            font-size: 16px;
        }

        .poster-scene {
            min-height: 492px;
            position: relative;
            perspective: 1200px;
        }

        .poster-main {
            position: absolute;
            right: 42px;
            top: 4px;
            width: 330px;
            height: 455px;
            border-radius: 34px;
            overflow: hidden;
            background:
                linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,0) 26%),
                radial-gradient(circle at 50% 20%, rgba(255, 255, 255, .20), transparent 20%),
                linear-gradient(135deg, #7f1d1d 0%, #4c1d95 46%, #0f172a 100%);
            border: 1px solid rgba(255, 255, 255, .18);
            box-shadow: 0 38px 100px rgba(0, 0, 0, .48);
            transform: rotateY(-10deg) rotateZ(2deg);
        }

        .poster-main::before {
            content: "";
            position: absolute;
            inset: 22px;
            border-radius: 26px;
            background:
                linear-gradient(180deg, transparent 0%, rgba(0,0,0,.64) 72%),
                radial-gradient(circle at 50% 25%, rgba(255,255,255,.18), transparent 21%),
                linear-gradient(135deg, rgba(255, 77, 109, .75), rgba(124, 58, 237, .55));
            border: 1px solid rgba(255,255,255,.16);
        }

        .poster-title {
            position: absolute;
            left: 34px;
            right: 34px;
            bottom: 34px;
            z-index: 2;
        }

        .poster-title em {
            display: inline-flex;
            padding: 5px 10px;
            border-radius: 999px;
            background: rgba(251, 191, 36, .18);
            color: #fde68a;
            font-style: normal;
            font-size: 12px;
            font-weight: 900;
            border: 1px solid rgba(251, 191, 36, .22);
        }

        .poster-title strong {
            display: block;
            margin-top: 12px;
            font-size: 28px;
            line-height: 1.15;
            letter-spacing: -.04em;
        }

        .poster-title span {
            display: block;
            margin-top: 10px;
            color: rgba(255,255,255,.72);
            font-size: 13px;
        }

        .mini-poster {
            position: absolute;
            width: 142px;
            height: 196px;
            border-radius: 24px;
            border: 1px solid rgba(255,255,255,.14);
            box-shadow: 0 24px 60px rgba(0,0,0,.34);
            overflow: hidden;
        }

        .mini-poster.one {
            left: 10px;
            top: 54px;
            background: linear-gradient(135deg, #0e7490, #111827);
            transform: rotateZ(-8deg);
        }

        .mini-poster.two {
            left: 50px;
            bottom: 34px;
            background: linear-gradient(135deg, #be123c, #312e81);
            transform: rotateZ(7deg);
        }

        .mini-poster::after {
            content: "免费专区";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 16px;
            padding-top: 72px;
            color: rgba(255,255,255,.88);
            font-size: 13px;
            font-weight: 900;
            border-top: 1px solid rgba(255,255,255,.18);
        }

        .heat-badge {
            position: absolute;
            right: 0;
            top: 58px;
            z-index: 3;
            display: grid;
            gap: 4px;
            min-width: 158px;
            padding: 14px 16px;
            border-radius: 22px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .18);
            backdrop-filter: blur(18px);
            box-shadow: 0 24px 60px rgba(0,0,0,.24);
        }

        .heat-badge span {
            font-size: 12px;
            color: rgba(255,255,255,.72);
        }

        .heat-badge strong {
            font-size: 26px;
            line-height: 1;
            color: #fff;
        }

        .watch-card {
            position: absolute;
            right: 58px;
            bottom: 0;
            z-index: 4;
            width: 310px;
            padding: 18px;
            border-radius: 28px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .18);
            backdrop-filter: blur(20px);
            box-shadow: 0 24px 70px rgba(0,0,0,.32);
        }

        .watch-card-top {
            display: flex;
            justify-content: space-between;
            gap: 14px;
            color: rgba(255,255,255,.78);
            font-size: 13px;
            font-weight: 800;
        }

        .progress {
            height: 8px;
            margin: 14px 0;
            border-radius: 999px;
            background: rgba(255,255,255,.14);
            overflow: hidden;
        }

        .progress span {
            display: block;
            width: 78%;
            height: 100%;
            border-radius: inherit;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }

        .watch-card .btn {
            width: 100%;
            min-height: 44px;
            margin-top: 4px;
        }

        .feature-layout {
            display: grid;
            grid-template-columns: minmax(0, .82fr) minmax(320px, .46fr);
            gap: 24px;
            align-items: stretch;
        }

        .feature-board {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 18px;
        }

        .card {
            border-radius: var(--radius-md);
            background: var(--surface);
            border: 1px solid rgba(15, 23, 42, .08);
            box-shadow: var(--shadow-sm);
            transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
        }

        .card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: rgba(255, 77, 109, .22);
        }

        .feature-card {
            padding: 24px;
            min-height: 210px;
        }

        .icon-bubble {
            width: 50px;
            height: 50px;
            display: grid;
            place-items: center;
            border-radius: 18px;
            color: #fff;
            font-size: 22px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            box-shadow: 0 16px 34px rgba(124, 58, 237, .25);
        }

        .feature-card h3,
        .matrix-card h3,
        .topic-card h3,
        .case-card h3,
        .faq-item h3,
        .step-card h3 {
            margin-top: 16px;
            color: var(--text-strong);
            font-size: 20px;
            line-height: 1.25;
            letter-spacing: -.025em;
        }

        .feature-card p,
        .matrix-card p,
        .topic-card p,
        .case-card p,
        .step-card p {
            margin-top: 10px;
            color: var(--text-muted);
            font-size: 14px;
        }

        .side-panel {
            padding: 24px;
            border-radius: var(--radius-lg);
            color: #fff;
            background:
                radial-gradient(circle at 20% 0%, rgba(255,255,255,.18), transparent 24%),
                linear-gradient(145deg, #111827, #4c1d95 55%, #be123c);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            position: relative;
        }

        .side-panel::after {
            content: "";
            position: absolute;
            width: 210px;
            height: 210px;
            right: -82px;
            bottom: -82px;
            border-radius: 50%;
            background: rgba(255,255,255,.12);
        }

        .side-panel h3 {
            position: relative;
            z-index: 1;
            font-size: 26px;
            line-height: 1.2;
            letter-spacing: -.04em;
        }

        .side-panel p {
            position: relative;
            z-index: 1;
            margin-top: 12px;
            color: rgba(255,255,255,.76);
            font-size: 15px;
        }

        .metric-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 12px;
            margin-top: 24px;
        }

        .metric-box {
            padding: 16px;
            border-radius: 20px;
            background: rgba(255,255,255,.12);
            border: 1px solid rgba(255,255,255,.14);
        }

        .metric-box strong {
            display: block;
            font-size: 27px;
            line-height: 1;
        }

        .metric-box span {
            display: block;
            margin-top: 8px;
            color: rgba(255,255,255,.74);
            font-size: 12px;
            font-weight: 800;
        }

        .matrix-wrap {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 22px;
            align-items: stretch;
        }

        .filter-card {
            padding: 26px;
            border-radius: var(--radius-lg);
            background: #fff;
            border: 1px solid rgba(15,23,42,.08);
            box-shadow: var(--shadow-sm);
        }

        .filter-row {
            display: grid;
            gap: 14px;
            margin-top: 18px;
        }

        .filter-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 15px;
            border-radius: 18px;
            background: #f8fafc;
            border: 1px solid rgba(15,23,42,.06);
        }

        .filter-item b {
            color: var(--text-strong);
            font-size: 14px;
        }

        .filter-item span {
            color: var(--text-muted);
            font-size: 13px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 28px;
            padding: 0 10px;
            border-radius: 999px;
            background: rgba(34, 211, 238, .12);
            color: #0e7490;
            font-size: 12px;
            font-weight: 900;
            white-space: nowrap;
        }

        .badge.hot {
            background: rgba(255, 77, 109, .11);
            color: var(--primary-dark);
        }

        .badge.gold {
            background: rgba(251, 191, 36, .15);
            color: #92400e;
        }

        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 16px;
        }

        .matrix-card {
            padding: 22px;
            min-height: 190px;
        }

        .compare {
            border-radius: 34px;
            background: #fff;
            border: 1px solid rgba(15,23,42,.08);
            box-shadow: var(--shadow-md);
            overflow: hidden;
        }

        .compare-grid {
            display: grid;
            grid-template-columns: .9fr 1.1fr;
        }

        .compare-col {
            padding: 30px;
        }

        .compare-col:first-child {
            background: #f8fafc;
            border-right: 1px solid rgba(15,23,42,.08);
        }

        .compare-col h3 {
            font-size: 24px;
            color: var(--text-strong);
            letter-spacing: -.035em;
        }

        .check-list {
            display: grid;
            gap: 14px;
            margin-top: 22px;
            list-style: none;
        }

        .check-list li {
            display: grid;
            grid-template-columns: 30px 1fr;
            gap: 12px;
            align-items: start;
            color: var(--text-muted);
            font-size: 14px;
        }

        .check-list i {
            display: grid;
            place-items: center;
            width: 30px;
            height: 30px;
            border-radius: 12px;
            background: rgba(22, 163, 74, .10);
            color: var(--green);
            font-style: normal;
            font-weight: 900;
        }

        .check-list .warn i {
            background: rgba(239, 68, 68, .10);
            color: #dc2626;
        }

        .steps-timeline {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 18px;
            counter-reset: step;
        }

        .step-card {
            position: relative;
            padding: 26px;
            overflow: hidden;
        }

        .step-card::before {
            counter-increment: step;
            content: "0" counter(step);
            position: absolute;
            right: 20px;
            top: 14px;
            font-size: 58px;
            line-height: 1;
            font-weight: 1000;
            color: rgba(124, 58, 237, .08);
            letter-spacing: -.08em;
        }

        .step-line {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 10px;
            border-radius: 999px;
            color: var(--primary-dark);
            background: rgba(255, 77, 109, .10);
            font-size: 12px;
            font-weight: 900;
        }

        .testimonial-wrap {
            display: grid;
            grid-template-columns: .72fr 1fr;
            gap: 24px;
            align-items: stretch;
        }

        .quote-lead {
            padding: 32px;
            border-radius: var(--radius-lg);
            background:
                radial-gradient(circle at 12% 8%, rgba(255, 77, 109, .16), transparent 24%),
                #fff;
            border: 1px solid rgba(15,23,42,.08);
            box-shadow: var(--shadow-sm);
        }

        .quote-mark {
            width: 58px;
            height: 58px;
            display: grid;
            place-items: center;
            border-radius: 22px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            font-size: 30px;
            font-weight: 900;
        }

        .quote-lead p {
            margin-top: 20px;
            color: var(--text-strong);
            font-size: 24px;
            line-height: 1.45;
            letter-spacing: -.025em;
            font-weight: 900;
        }

        .quote-lead span {
            display: block;
            margin-top: 16px;
            color: var(--text-muted);
            font-size: 14px;
        }

        .case-grid {
            display: grid;
            gap: 16px;
        }

        .case-card {
            padding: 22px;
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 16px;
            align-items: start;
        }

        .avatar {
            width: 52px;
            height: 52px;
            border-radius: 20px;
            display: grid;
            place-items: center;
            color: #fff;
            font-weight: 1000;
            background: linear-gradient(135deg, #06b6d4, #7c3aed);
            box-shadow: 0 14px 28px rgba(6, 182, 212, .24);
        }

        .topics-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 16px;
        }

        .topic-card {
            position: relative;
            padding: 22px;
            overflow: hidden;
            min-height: 220px;
        }

        .topic-card::after {
            content: "";
            position: absolute;
            width: 90px;
            height: 90px;
            right: -24px;
            bottom: -22px;
            border-radius: 28px;
            background: linear-gradient(135deg, rgba(255,77,109,.16), rgba(124,58,237,.16));
            transform: rotate(16deg);
        }

        .topic-card .badge {
            position: relative;
            z-index: 1;
        }

        .catalog-layout {
            display: grid;
            grid-template-columns: minmax(320px, .42fr) 1fr;
            gap: 24px;
        }

        .catalog-panel {
            padding: 28px;
            border-radius: var(--radius-lg);
            background:
                linear-gradient(145deg, rgba(255, 77, 109, .92), rgba(124, 58, 237, .92)),
                #111827;
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        .catalog-panel h3 {
            font-size: 30px;
            line-height: 1.15;
            letter-spacing: -.045em;
        }

        .catalog-panel p {
            margin-top: 14px;
            color: rgba(255,255,255,.78);
        }

        .catalog-list {
            display: grid;
            gap: 14px;
        }

        .catalog-item {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 16px;
            align-items: center;
            padding: 18px 20px;
            border-radius: 22px;
            background: #fff;
            border: 1px solid rgba(15,23,42,.08);
            box-shadow: var(--shadow-sm);
        }

        .catalog-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .catalog-item h3 {
            color: var(--text-strong);
            font-size: 17px;
            letter-spacing: -.02em;
        }

        .catalog-item p {
            margin-top: 4px;
            color: var(--text-muted);
            font-size: 13px;
        }

        .catalog-count {
            display: grid;
            place-items: center;
            min-width: 82px;
            min-height: 54px;
            border-radius: 18px;
            background: #f8fafc;
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 900;
        }

        .news-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 360px;
            gap: 24px;
            align-items: start;
        }

        .news-list {
            padding: 8px;
            border-radius: var(--radius-lg);
            background: #fff;
            border: 1px solid rgba(15,23,42,.08);
            box-shadow: var(--shadow-sm);
        }

        .news-item {
            display: grid;
            grid-template-columns: auto 1fr auto;
            gap: 16px;
            align-items: center;
            padding: 18px;
            border-radius: 22px;
        }

        .news-item + .news-item {
            border-top: 1px solid rgba(15,23,42,.06);
        }

        .news-item:hover {
            background: #f8fafc;
        }

        .news-date {
            display: grid;
            place-items: center;
            width: 58px;
            height: 58px;
            border-radius: 18px;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            font-weight: 900;
            line-height: 1.1;
        }

        .news-date small {
            display: block;
            font-size: 11px;
            opacity: .75;
        }

        .news-title {
            color: var(--text-strong);
            font-size: 17px;
            font-weight: 900;
            line-height: 1.35;
        }

        .news-title:hover {
            color: var(--primary-dark);
        }

        .news-meta {
            margin-top: 5px;
            color: var(--text-muted);
            font-size: 13px;
        }

        .arrow {
            width: 38px;
            height: 38px;
            display: grid;
            place-items: center;
            border-radius: 14px;
            background: #f1f5f9;
            color: var(--text-muted);
            font-weight: 900;
        }

        .news-item:hover .arrow {
            color: #fff;
            background: var(--primary);
        }

        .recommend {
            padding: 24px;
            border-radius: var(--radius-lg);
            background:
                radial-gradient(circle at 10% 0%, rgba(34, 211, 238, .16), transparent 28%),
                #111827;
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        .recommend h3 {
            font-size: 24px;
            letter-spacing: -.035em;
        }

        .recommend-list {
            display: grid;
            gap: 12px;
            margin-top: 18px;
            list-style: none;
        }

        .recommend-list a {
            display: flex;
            justify-content: space-between;
            gap: 12px;
            padding: 14px;
            border-radius: 18px;
            background: rgba(255,255,255,.08);
            border: 1px solid rgba(255,255,255,.10);
            color: rgba(255,255,255,.84);
            font-size: 14px;
        }

        .recommend-list a:hover {
            background: rgba(255,255,255,.13);
            color: #fff;
            transform: translateX(4px);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 16px;
        }

        .faq-item {
            padding: 24px;
        }

        .faq-item h3 {
            margin-top: 0;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .faq-item h3::before {
            content: "问";
            display: grid;
            place-items: center;
            width: 28px;
            height: 28px;
            flex: 0 0 auto;
            border-radius: 10px;
            background: rgba(255, 77, 109, .11);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 1000;
        }

        .faq-item p {
            margin-top: 12px;
            color: var(--text-muted);
            font-size: 14px;
        }

        .cta-section {
            padding: 90px 0;
            background:
                radial-gradient(circle at 16% 22%, rgba(255,255,255,.18), transparent 24%),
                radial-gradient(circle at 88% 14%, rgba(34,211,238,.18), transparent 26%),
                linear-gradient(135deg, #111827 0%, #4c1d95 52%, #be123c 100%);
            color: #fff;
        }

        .cta-layout {
            display: grid;
            grid-template-columns: minmax(0, .88fr) minmax(360px, .52fr);
            gap: 28px;
            align-items: center;
        }

        .cta-copy h2 {
            margin-top: 14px;
            font-size: clamp(32px, 4vw, 54px);
            line-height: 1.08;
            letter-spacing: -.055em;
        }

        .cta-copy p {
            margin-top: 18px;
            max-width: 680px;
            color: rgba(255,255,255,.78);
            font-size: 17px;
        }

        .cta-benefits {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 24px;
        }

        .cta-benefits span {
            padding: 9px 12px;
            border-radius: 999px;
            background: rgba(255,255,255,.12);
            border: 1px solid rgba(255,255,255,.14);
            color: rgba(255,255,255,.88);
            font-size: 13px;
            font-weight: 900;
        }

        .lead-form {
            padding: 24px;
            border-radius: var(--radius-lg);
            background: rgba(255,255,255,.12);
            border: 1px solid rgba(255,255,255,.16);
            backdrop-filter: blur(18px);
            box-shadow: 0 26px 70px rgba(0,0,0,.24);
        }

        .lead-form h3 {
            font-size: 24px;
            letter-spacing: -.035em;
        }

        .form-grid {
            display: grid;
            gap: 12px;
            margin-top: 18px;
        }

        .field {
            display: grid;
            gap: 7px;
        }

        .field label {
            color: rgba(255,255,255,.82);
            font-size: 13px;
            font-weight: 900;
        }

        .field input,
        .field select {
            width: 100%;
            height: 48px;
            padding: 0 14px;
            border-radius: 16px;
            color: #fff;
            background: rgba(255,255,255,.10);
            border: 1px solid rgba(255,255,255,.16);
        }

        .field select option {
            color: var(--text-strong);
        }

        .field input::placeholder {
            color: rgba(255,255,255,.48);
        }

        .form-note {
            margin-top: 12px;
            color: rgba(255,255,255,.62);
            font-size: 12px;
        }

        .form-message {
            display: none;
            margin-top: 12px;
            padding: 12px 14px;
            border-radius: 16px;
            color: #dcfce7;
            background: rgba(22, 163, 74, .18);
            border: 1px solid rgba(134, 239, 172, .22);
            font-size: 13px;
            font-weight: 800;
        }

        .site-footer {
            color: rgba(255,255,255,.78);
            background: #070b16;
            padding: 52px 0 30px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 28px;
            align-items: start;
            padding-bottom: 30px;
            border-bottom: 1px solid rgba(255,255,255,.10);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            font-size: 18px;
            font-weight: 1000;
            letter-spacing: -.03em;
        }

        .footer-desc {
            max-width: 660px;
            margin-top: 14px;
            color: rgba(255,255,255,.62);
            font-size: 14px;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: flex-end;
        }

        .footer-links a {
            padding: 9px 12px;
            border-radius: 999px;
            background: rgba(255,255,255,.06);
            color: rgba(255,255,255,.78);
            font-size: 13px;
            font-weight: 800;
        }

        .footer-links a:hover {
            background: rgba(255,255,255,.12);
            color: #fff;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            padding-top: 24px;
            color: rgba(255,255,255,.48);
            font-size: 13px;
        }

        @media (max-width: 1024px) {
            .container {
                width: min(100% - 32px, var(--container));
            }

            .nav-search {
                display: none;
            }

            .hero-stage,
            .feature-layout,
            .matrix-wrap,
            .testimonial-wrap,
            .catalog-layout,
            .news-layout,
            .cta-layout,
            .compare-grid {
                grid-template-columns: 1fr;
            }

            .hero-stage {
                gap: 34px;
            }

            .poster-scene {
                min-height: 500px;
                max-width: 620px;
                width: 100%;
                margin: 0 auto;
            }

            .topics-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .steps-timeline {
                grid-template-columns: 1fr;
            }

            .compare-col:first-child {
                border-right: 0;
                border-bottom: 1px solid rgba(15,23,42,.08);
            }

            .section-head {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                inset: 10px 0 auto 0;
            }

            .nav-shell {
                border-radius: 26px;
                padding: 10px;
                align-items: center;
                flex-wrap: wrap;
            }

            .brand-main {
                font-size: 13px;
                max-width: 190px;
                overflow: hidden;
                text-overflow: ellipsis;
            }

            .brand-sub {
                display: none;
            }

            .menu-toggle {
                display: inline-flex;
            }

            .nav-menu,
            .nav-actions {
                display: none;
                width: 100%;
            }

            .nav-menu.is-open,
            .nav-actions.is-open {
                display: grid;
            }

            .nav-menu {
                gap: 8px;
                padding-top: 8px;
            }

            .nav-link {
                justify-content: flex-start;
                width: 100%;
                background: rgba(255,255,255,.08);
            }

            .nav-actions {
                padding-top: 8px;
            }

            .nav-cta {
                width: 100%;
            }

            .hero {
                min-height: auto;
                padding: 126px 0 64px;
            }

            .hero h1 {
                font-size: clamp(38px, 12vw, 58px);
            }

            .hero-desc {
                font-size: 16px;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .poster-main {
                right: 18px;
                width: 290px;
                height: 405px;
            }

            .mini-poster {
                width: 124px;
                height: 172px;
            }

            .watch-card {
                right: 18px;
                width: min(300px, calc(100% - 36px));
            }

            .heat-badge {
                right: 4px;
                top: 30px;
            }

            .section {
                padding: 64px 0;
            }

            .feature-board,
            .matrix-grid,
            .faq-grid {
                grid-template-columns: 1fr;
            }

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

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

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

            .news-item .arrow {
                display: none;
            }

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

            .footer-links {
                justify-content: flex-start;
            }
        }

        @media (max-width: 520px) {
            .container {
                width: min(100% - 24px, var(--container));
            }

            .hero-kicker {
                align-items: flex-start;
                border-radius: 20px;
            }

            .hero-points {
                display: grid;
            }

            .poster-scene {
                min-height: 450px;
            }

            .poster-main {
                width: 250px;
                height: 356px;
                border-radius: 28px;
                right: 0;
            }

            .poster-title strong {
                font-size: 22px;
            }

            .mini-poster.one {
                left: 0;
                top: 46px;
            }

            .mini-poster.two {
                left: 12px;
                bottom: 48px;
            }

            .heat-badge {
                min-width: 132px;
                padding: 12px;
            }

            .heat-badge strong {
                font-size: 22px;
            }

            .watch-card {
                bottom: 0;
                right: 0;
            }

            .card,
            .filter-card,
            .catalog-panel,
            .recommend,
            .lead-form,
            .compare {
                border-radius: 24px;
            }

            .catalog-item {
                grid-template-columns: 1fr;
            }

            .catalog-count {
                width: fit-content;
            }
        }