/* roulang page: index */
:root {
            --primary: #6f5df6;
            --primary-dark: #5140d6;
            --primary-soft: #ece9ff;
            --secondary: #ff7ea8;
            --secondary-soft: #fff0f5;
            --accent: #28c7b7;
            --accent-soft: #e6faf7;
            --ink: #17172a;
            --text: #39384d;
            --muted: #737187;
            --surface: #ffffff;
            --surface-soft: #f7f7fc;
            --surface-deep: #24213e;
            --border: #e7e5f1;
            --warning: #ffb547;
            --success: #28b78d;
            --radius-sm: 10px;
            --radius-md: 18px;
            --radius-lg: 28px;
            --radius-xl: 38px;
            --shadow-sm: 0 8px 24px rgba(42, 35, 92, .07);
            --shadow-md: 0 18px 46px rgba(42, 35, 92, .12);
            --shadow-lg: 0 30px 80px rgba(30, 24, 76, .2);
            --container: 1200px;
            --header-height: 76px;
            --transition: 220ms ease;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 96px;
        }

        body {
            margin: 0;
            color: var(--text);
            background: var(--surface);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        body.menu-open {
            overflow: hidden;
        }

        h1, h2, h3, h4, p, ul, ol, figure, blockquote {
            margin-top: 0;
        }

        h1, h2, h3, h4 {
            color: var(--ink);
            line-height: 1.22;
            letter-spacing: -.025em;
        }

        h1 {
            font-size: clamp(2.35rem, 5.5vw, 5.25rem);
        }

        h2 {
            font-size: clamp(1.9rem, 3.4vw, 3.25rem);
        }

        h3 {
            font-size: 1.22rem;
        }

        p {
            margin-bottom: 1rem;
        }

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

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

        button, input, select {
            font: inherit;
        }

        button, a {
            -webkit-tap-highlight-color: transparent;
        }

        button {
            border: 0;
        }

        :focus-visible {
            outline: 3px solid rgba(111, 93, 246, .35);
            outline-offset: 3px;
        }

        ::selection {
            color: #fff;
            background: var(--primary);
        }

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

        .section {
            position: relative;
            padding: 104px 0;
        }

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

        .section-dark {
            color: rgba(255, 255, 255, .78);
            background:
                radial-gradient(circle at 10% 20%, rgba(111, 93, 246, .28), transparent 32%),
                radial-gradient(circle at 90% 80%, rgba(255, 126, 168, .17), transparent 28%),
                var(--surface-deep);
        }

        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }

        .section-heading {
            max-width: 780px;
            margin-bottom: 46px;
        }

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

        .section-heading p {
            margin: 18px 0 0;
            color: var(--muted);
            font-size: 1.05rem;
        }

        .section-dark .section-heading p {
            color: rgba(255, 255, 255, .7);
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 15px;
            color: var(--primary-dark);
            font-size: .78rem;
            font-weight: 800;
            letter-spacing: .14em;
            text-transform: uppercase;
        }

        .eyebrow::before {
            width: 26px;
            height: 2px;
            content: "";
            border-radius: 9px;
            background: currentColor;
        }

        .section-dark .eyebrow {
            color: #bdb5ff;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 28px;
            padding: 4px 11px;
            color: var(--primary-dark);
            background: var(--primary-soft);
            border: 1px solid rgba(111, 93, 246, .14);
            border-radius: 999px;
            font-size: .76rem;
            font-weight: 800;
            white-space: nowrap;
        }

        .badge.hot {
            color: #b33b64;
            background: var(--secondary-soft);
            border-color: rgba(255, 126, 168, .24);
        }

        .badge.green {
            color: #147e73;
            background: var(--accent-soft);
            border-color: rgba(40, 199, 183, .24);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 50px;
            padding: 12px 22px;
            color: #fff;
            background: var(--primary);
            border: 1px solid var(--primary);
            border-radius: 14px;
            font-weight: 800;
            line-height: 1.2;
            cursor: pointer;
            transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
        }

        .btn:hover {
            color: #fff;
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            box-shadow: 0 13px 28px rgba(81, 64, 214, .24);
            transform: translateY(-2px);
        }

        .btn:active {
            transform: translateY(0);
        }

        .btn-light {
            color: var(--ink);
            background: #fff;
            border-color: rgba(255, 255, 255, .8);
        }

        .btn-light:hover {
            color: var(--primary-dark);
            background: #f7f5ff;
            border-color: #f7f5ff;
        }

        .btn-ghost {
            color: var(--primary-dark);
            background: transparent;
            border-color: var(--border);
        }

        .btn-ghost:hover {
            color: var(--primary-dark);
            background: var(--primary-soft);
            border-color: rgba(111, 93, 246, .24);
        }

        .btn-sm {
            min-height: 42px;
            padding: 9px 16px;
            border-radius: 12px;
            font-size: .9rem;
        }

        .icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            flex: 0 0 auto;
            color: var(--primary);
            background: var(--primary-soft);
            border-radius: 14px;
        }

        .icon svg {
            width: 22px;
            height: 22px;
        }

        .site-header {
            position: sticky;
            z-index: 1000;
            top: 0;
            height: var(--header-height);
            background: rgba(255, 255, 255, .9);
            border-bottom: 1px solid rgba(231, 229, 241, .9);
            box-shadow: 0 6px 24px rgba(31, 26, 72, .04);
            backdrop-filter: blur(18px);
        }

        .navbar {
            display: grid;
            grid-template-columns: auto minmax(240px, 430px) 1fr auto;
            align-items: center;
            gap: 22px;
            height: var(--header-height);
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            color: var(--ink);
            font-weight: 900;
            white-space: nowrap;
        }

        .logo-mark {
            display: grid;
            width: 42px;
            height: 42px;
            color: #fff;
            background: linear-gradient(145deg, var(--primary), #9d68f0 55%, var(--secondary));
            border-radius: 14px;
            box-shadow: 0 10px 24px rgba(111, 93, 246, .26);
            place-items: center;
        }

        .logo-mark strong {
            font-size: 1.06rem;
            letter-spacing: -.08em;
        }

        .logo-name {
            display: flex;
            flex-direction: column;
            line-height: 1.1;
        }

        .logo-name small {
            margin-top: 4px;
            color: var(--muted);
            font-size: .65rem;
            font-weight: 700;
            letter-spacing: .08em;
        }

        .search-box {
            position: relative;
        }

        .search-box svg {
            position: absolute;
            top: 50%;
            left: 15px;
            width: 18px;
            color: var(--muted);
            transform: translateY(-50%);
        }

        .search-box input {
            width: 100%;
            height: 44px;
            padding: 0 72px 0 44px;
            color: var(--ink);
            background: var(--surface-soft);
            border: 1px solid var(--border);
            border-radius: 13px;
            transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
        }

        .search-box input:focus {
            background: #fff;
            border-color: rgba(111, 93, 246, .55);
            box-shadow: 0 0 0 4px rgba(111, 93, 246, .09);
            outline: none;
        }

        .search-key {
            position: absolute;
            top: 50%;
            right: 10px;
            padding: 2px 7px;
            color: var(--muted);
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 6px;
            font-size: .7rem;
            transform: translateY(-50%);
        }

        .main-nav {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 6px;
        }

        .nav-link {
            padding: 9px 14px;
            color: var(--muted);
            border-radius: 10px;
            font-size: .92rem;
            font-weight: 700;
            transition: color var(--transition), background var(--transition);
        }

        .nav-link:hover {
            color: var(--primary-dark);
            background: var(--primary-soft);
        }

        .nav-link.active {
            color: var(--primary-dark);
            background: var(--primary-soft);
        }

        .header-tools {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .tool-select {
            height: 38px;
            padding: 0 28px 0 11px;
            color: var(--text);
            background-color: #fff;
            border: 1px solid var(--border);
            border-radius: 10px;
            font-size: .78rem;
            font-weight: 700;
            cursor: pointer;
        }

        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            color: var(--ink);
            background: var(--surface-soft);
            border: 1px solid var(--border);
            border-radius: 12px;
            cursor: pointer;
        }

        .menu-toggle span,
        .menu-toggle::before,
        .menu-toggle::after {
            display: block;
            width: 19px;
            height: 2px;
            margin: 4px auto;
            content: "";
            background: currentColor;
            border-radius: 4px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .hero {
            position: relative;
            min-height: 720px;
            display: grid;
            align-items: end;
            overflow: hidden;
            color: #fff;
            background: #18152c;
        }

        .hero-media,
        .hero-media::after,
        .hero-video {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
        }

        .hero-video {
            object-fit: cover;
            opacity: .56;
        }

        .hero-media::after {
            content: "";
            background:
                linear-gradient(90deg, rgba(17, 13, 40, .94) 0%, rgba(17, 13, 40, .7) 48%, rgba(17, 13, 40, .35) 100%),
                linear-gradient(0deg, rgba(17, 13, 40, .9) 0%, transparent 52%);
        }

        .hero-orb {
            position: absolute;
            width: 440px;
            height: 440px;
            top: 10%;
            right: 4%;
            background: radial-gradient(circle, rgba(255, 126, 168, .3), rgba(111, 93, 246, .12) 46%, transparent 72%);
            border-radius: 50%;
            filter: blur(3px);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: minmax(0, 1fr) auto;
            align-items: end;
            gap: 70px;
            padding-top: 120px;
            padding-bottom: 80px;
        }

        .hero-copy {
            max-width: 800px;
        }

        .hero-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 22px;
            padding: 8px 13px;
            color: #fff;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .18);
            border-radius: 999px;
            font-size: .82rem;
            font-weight: 800;
            backdrop-filter: blur(10px);
        }

        .hero-brand::before {
            width: 8px;
            height: 8px;
            content: "";
            background: #8df2d2;
            border-radius: 50%;
            box-shadow: 0 0 0 6px rgba(141, 242, 210, .12);
        }

        .hero h1 {
            max-width: 940px;
            margin-bottom: 24px;
            color: #fff;
            text-wrap: balance;
        }

        .hero-copy > p {
            max-width: 760px;
            margin-bottom: 32px;
            color: rgba(255, 255, 255, .8);
            font-size: clamp(1rem, 1.5vw, 1.16rem);
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .play-button {
            display: grid;
            width: 100px;
            height: 100px;
            color: #fff;
            background: rgba(255, 255, 255, .13);
            border: 1px solid rgba(255, 255, 255, .32);
            border-radius: 50%;
            cursor: pointer;
            box-shadow: 0 15px 50px rgba(0, 0, 0, .2);
            backdrop-filter: blur(13px);
            place-items: center;
            transition: transform var(--transition), background var(--transition);
        }

        .play-button:hover {
            background: rgba(255, 255, 255, .22);
            transform: scale(1.06);
        }

        .play-button svg {
            width: 32px;
            height: 32px;
            margin-left: 5px;
        }

        .hero-foot {
            position: absolute;
            z-index: 3;
            right: 0;
            bottom: 0;
            left: 0;
            border-top: 1px solid rgba(255, 255, 255, .12);
        }

        .hero-points {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
        }

        .hero-point {
            padding: 17px 22px;
            color: rgba(255, 255, 255, .68);
            border-right: 1px solid rgba(255, 255, 255, .12);
            font-size: .82rem;
        }

        .hero-point:last-child {
            border-right: 0;
        }

        .hero-point strong {
            display: block;
            margin-bottom: 2px;
            color: #fff;
            font-size: .96rem;
        }

        .tier-layout {
            display: grid;
            grid-template-columns: .82fr 1.18fr;
            gap: 54px;
            align-items: center;
        }

        .tier-intro {
            position: sticky;
            top: 110px;
        }

        .tier-intro p {
            color: var(--muted);
        }

        .tier-list {
            display: grid;
            gap: 16px;
        }

        .tier-row {
            position: relative;
            display: grid;
            grid-template-columns: 74px 1fr auto;
            align-items: center;
            gap: 20px;
            padding: 25px;
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

        .tier-row::before {
            position: absolute;
            top: 0;
            bottom: 0;
            left: 0;
            width: 5px;
            content: "";
            background: var(--primary);
        }

        .tier-row:nth-child(2)::before {
            background: var(--secondary);
        }

        .tier-row:nth-child(3)::before {
            background: var(--accent);
        }

        .tier-row:hover {
            border-color: rgba(111, 93, 246, .25);
            box-shadow: var(--shadow-md);
            transform: translateX(5px);
        }

        .tier-number {
            color: var(--primary);
            font-size: 2rem;
            font-weight: 900;
            text-align: center;
        }

        .tier-copy h3 {
            margin-bottom: 6px;
        }

        .tier-copy p {
            margin: 0;
            color: var(--muted);
            font-size: .9rem;
        }

        .tier-reward {
            min-width: 106px;
            padding: 12px 14px;
            color: var(--ink);
            background: var(--surface-soft);
            border-radius: 12px;
            font-weight: 900;
            text-align: center;
        }

        .pricing-shell {
            position: relative;
        }

        .billing-switch {
            display: inline-flex;
            gap: 4px;
            margin-bottom: 30px;
            padding: 4px;
            background: #ecebf4;
            border-radius: 12px;
        }

        .billing-switch button {
            padding: 8px 14px;
            color: var(--muted);
            background: transparent;
            border-radius: 9px;
            font-weight: 800;
            cursor: pointer;
        }

        .billing-switch button.active {
            color: var(--primary-dark);
            background: #fff;
            box-shadow: 0 4px 12px rgba(34, 29, 72, .08);
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            align-items: stretch;
        }

        .price-card {
            position: relative;
            padding: 31px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .price-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-6px);
        }

        .price-card.featured {
            color: rgba(255, 255, 255, .78);
            background: var(--surface-deep);
            border-color: var(--surface-deep);
            box-shadow: var(--shadow-lg);
            transform: translateY(-10px);
        }

        .price-card.featured:hover {
            transform: translateY(-15px);
        }

        .price-card.featured h3,
        .price-card.featured .price {
            color: #fff;
        }

        .price-label {
            position: absolute;
            top: 18px;
            right: 18px;
        }

        .price {
            margin: 22px 0 8px;
            color: var(--ink);
            font-size: 2.65rem;
            font-weight: 900;
            line-height: 1;
        }

        .price small {
            color: var(--muted);
            font-size: .82rem;
            font-weight: 600;
        }

        .price-card.featured .price small {
            color: rgba(255, 255, 255, .58);
        }

        .price-note {
            min-height: 52px;
            color: var(--muted);
            font-size: .9rem;
        }

        .price-card.featured .price-note {
            color: rgba(255, 255, 255, .6);
        }

        .feature-list {
            display: grid;
            gap: 13px;
            margin: 24px 0 28px;
            padding: 22px 0 0;
            border-top: 1px solid var(--border);
            list-style: none;
        }

        .price-card.featured .feature-list {
            border-color: rgba(255, 255, 255, .12);
        }

        .feature-list li {
            position: relative;
            padding-left: 25px;
            font-size: .9rem;
        }

        .feature-list li::before {
            position: absolute;
            top: .4em;
            left: 0;
            width: 15px;
            height: 15px;
            content: "✓";
            display: grid;
            color: #fff;
            background: var(--success);
            border-radius: 50%;
            font-size: .65rem;
            font-weight: 900;
            place-items: center;
        }

        .price-card .btn {
            width: 100%;
        }

        .campaign {
            overflow: hidden;
        }

        .campaign-panel {
            position: relative;
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            align-items: center;
            gap: 55px;
            padding: 64px;
            overflow: hidden;
            color: #fff;
            background:
                radial-gradient(circle at 85% 20%, rgba(255, 255, 255, .22), transparent 22%),
                linear-gradient(125deg, #715cf5, #8d5edf 53%, #e06b99);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
        }

        .campaign-panel::before {
            position: absolute;
            width: 260px;
            height: 260px;
            right: -80px;
            bottom: -120px;
            content: "";
            border: 42px solid rgba(255, 255, 255, .08);
            border-radius: 50%;
        }

        .campaign-copy {
            position: relative;
            z-index: 1;
        }

        .campaign-copy h2 {
            margin-bottom: 18px;
            color: #fff;
        }

        .campaign-copy p {
            color: rgba(255, 255, 255, .82);
        }

        .countdown-wrap {
            position: relative;
            z-index: 1;
            padding: 28px;
            background: rgba(255, 255, 255, .13);
            border: 1px solid rgba(255, 255, 255, .22);
            border-radius: 24px;
            backdrop-filter: blur(15px);
        }

        .countdown-label {
            margin-bottom: 16px;
            color: rgba(255, 255, 255, .72);
            font-size: .85rem;
            font-weight: 700;
        }

        .countdown {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 9px;
        }

        .time-unit {
            padding: 15px 7px;
            background: rgba(20, 16, 54, .28);
            border-radius: 15px;
            text-align: center;
        }

        .time-unit strong {
            display: block;
            color: #fff;
            font-size: 1.65rem;
            line-height: 1;
        }

        .time-unit span {
            color: rgba(255, 255, 255, .65);
            font-size: .72rem;
        }

        .channel-layout {
            display: grid;
            grid-template-columns: 340px 1fr;
            gap: 50px;
        }

        .channel-aside {
            padding: 32px;
            color: #fff;
            background: var(--surface-deep);
            border-radius: var(--radius-lg);
        }

        .channel-aside h2 {
            color: #fff;
        }

        .channel-aside p {
            color: rgba(255, 255, 255, .65);
        }

        .channel-aside .btn {
            margin-top: 12px;
        }

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

        .channel-card {
            display: flex;
            gap: 17px;
            padding: 24px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

        .channel-card:hover {
            border-color: rgba(111, 93, 246, .25);
            box-shadow: var(--shadow-sm);
            transform: translateY(-4px);
        }

        .channel-card h3 {
            margin-bottom: 7px;
        }

        .channel-card p {
            margin: 0;
            color: var(--muted);
            font-size: .9rem;
        }

        .popular-stage {
            display: grid;
            grid-template-columns: 1.25fr .75fr;
            gap: 28px;
        }

        .popular-main {
            display: grid;
            grid-template-columns: .9fr 1.1fr;
            min-height: 460px;
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }

        .popular-art {
            position: relative;
            min-height: 360px;
            overflow: hidden;
            background:
                radial-gradient(circle at 30% 25%, #b8acff 0 10%, transparent 11%),
                radial-gradient(circle at 72% 65%, #ffbad0 0 13%, transparent 14%),
                linear-gradient(145deg, #eeeaff, #d8d0ff 48%, #fbd8e5);
        }

        .popular-art::before,
        .popular-art::after {
            position: absolute;
            content: "";
            border-radius: 38% 62% 64% 36%;
            transform: rotate(20deg);
        }

        .popular-art::before {
            width: 220px;
            height: 300px;
            left: 15%;
            bottom: -35px;
            background: linear-gradient(170deg, #6f5df6, #4b3bb9);
            box-shadow: 30px 30px 0 rgba(255, 255, 255, .22);
        }

        .popular-art::after {
            width: 120px;
            height: 120px;
            top: 60px;
            left: 38%;
            background: #f8d5c8;
            border: 12px solid rgba(255, 255, 255, .35);
            border-radius: 50%;
        }

        .art-label {
            position: absolute;
            z-index: 2;
            bottom: 26px;
            left: 26px;
            padding: 8px 12px;
            color: #fff;
            background: rgba(26, 21, 62, .58);
            border: 1px solid rgba(255, 255, 255, .22);
            border-radius: 999px;
            font-size: .78rem;
            font-weight: 800;
            backdrop-filter: blur(9px);
        }

        .popular-copy {
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 40px;
        }

        .popular-copy p {
            color: var(--muted);
        }

        .detail-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin: 12px 0 24px;
        }

        .detail-pills span {
            padding: 7px 10px;
            color: var(--muted);
            background: var(--surface-soft);
            border-radius: 9px;
            font-size: .78rem;
            font-weight: 700;
        }

        .ranking {
            display: grid;
            gap: 12px;
        }

        .rank-item {
            display: grid;
            grid-template-columns: 42px 1fr auto;
            align-items: center;
            gap: 14px;
            padding: 19px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .rank-item:hover {
            box-shadow: var(--shadow-sm);
            transform: translateX(-4px);
        }

        .rank-no {
            color: var(--primary);
            font-size: 1.4rem;
            font-weight: 900;
        }

        .rank-item h3 {
            margin: 0 0 4px;
            font-size: 1rem;
        }

        .rank-item p {
            margin: 0;
            color: var(--muted);
            font-size: .78rem;
        }

        .rank-score {
            color: var(--secondary);
            font-size: .84rem;
            font-weight: 900;
        }

        .demo-window {
            overflow: hidden;
            background: #fff;
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--radius-lg);
            box-shadow: 0 34px 85px rgba(11, 8, 35, .35);
        }

        .window-bar {
            display: flex;
            align-items: center;
            gap: 7px;
            height: 48px;
            padding: 0 17px;
            background: #f3f1fa;
            border-bottom: 1px solid var(--border);
        }

        .window-bar i {
            width: 10px;
            height: 10px;
            background: #ff7b7b;
            border-radius: 50%;
        }

        .window-bar i:nth-child(2) {
            background: #ffc45d;
        }

        .window-bar i:nth-child(3) {
            background: #54d6a1;
        }

        .window-address {
            width: 46%;
            height: 25px;
            margin-left: 12px;
            background: #fff;
            border-radius: 7px;
        }

        .demo-content {
            display: grid;
            grid-template-columns: 200px 1fr;
            min-height: 430px;
        }

        .demo-sidebar {
            padding: 26px 18px;
            background: #282442;
        }

        .demo-brand {
            width: 74%;
            height: 18px;
            margin-bottom: 34px;
            background: linear-gradient(90deg, #9d8cff, #ff9dbc);
            border-radius: 7px;
        }

        .demo-line {
            width: 100%;
            height: 10px;
            margin: 16px 0;
            background: rgba(255, 255, 255, .1);
            border-radius: 7px;
        }

        .demo-line.active {
            height: 36px;
            background: rgba(111, 93, 246, .5);
        }

        .demo-dashboard {
            padding: 30px;
            background: #f8f7fc;
        }

        .demo-banner {
            height: 125px;
            margin-bottom: 20px;
            background:
                radial-gradient(circle at 80% 30%, rgba(255, 255, 255, .38), transparent 19%),
                linear-gradient(115deg, #6f5df6, #a963dd, #fa83ac);
            border-radius: 20px;
        }

        .demo-cards {
            display: grid;
            grid-template-columns: 1.2fr .8fr .8fr;
            gap: 14px;
        }

        .demo-card {
            height: 116px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 15px;
        }

        .demo-card:first-child {
            grid-row: span 2;
            height: 246px;
            background:
                linear-gradient(0deg, rgba(38, 32, 79, .58), transparent 60%),
                linear-gradient(135deg, #f1ceef, #afa2ff);
        }

        .demo-caption {
            display: flex;
            justify-content: space-between;
            gap: 30px;
            padding: 28px 34px;
            color: var(--text);
            background: #fff;
        }

        .demo-caption strong {
            color: var(--ink);
        }

        .demo-caption span {
            color: var(--muted);
            font-size: .9rem;
        }

        .reviews-wrap {
            overflow: hidden;
        }

        .review-marquee {
            display: grid;
            grid-template-columns: repeat(12, minmax(280px, 1fr));
            gap: 16px;
            width: max-content;
            animation: reviewFlow 42s linear infinite;
        }

        .review-marquee:hover {
            animation-play-state: paused;
        }

        @keyframes reviewFlow {
            to {
                transform: translateX(calc(-50% - 8px));
            }
        }

        .review-card {
            width: 330px;
            min-height: 225px;
            padding: 25px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }

        .stars {
            margin-bottom: 15px;
            color: #ffb547;
            letter-spacing: .12em;
        }

        .review-card blockquote {
            margin-bottom: 22px;
            color: var(--text);
            font-size: .94rem;
        }

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

        .avatar {
            display: grid;
            width: 40px;
            height: 40px;
            color: #fff;
            background: linear-gradient(145deg, var(--primary), var(--secondary));
            border-radius: 50%;
            font-size: .8rem;
            font-weight: 900;
            place-items: center;
        }

        .reviewer strong {
            display: block;
            color: var(--ink);
            font-size: .88rem;
        }

        .reviewer span {
            color: var(--muted);
            font-size: .75rem;
        }

        .assurance-strip {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
        }

        .assurance-item {
            padding: 30px 22px;
            border-right: 1px solid var(--border);
            text-align: center;
        }

        .assurance-item:last-child {
            border-right: 0;
        }

        .assurance-item .icon {
            margin: 0 auto 15px;
        }

        .assurance-item strong {
            display: block;
            margin-bottom: 6px;
            color: var(--ink);
        }

        .assurance-item span {
            color: var(--muted);
            font-size: .8rem;
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 35px;
        }

        .news-feature {
            position: relative;
            min-height: 470px;
            display: flex;
            align-items: flex-end;
            overflow: hidden;
            padding: 38px;
            color: #fff;
            background:
                linear-gradient(0deg, rgba(25, 20, 61, .95), rgba(25, 20, 61, .06) 70%),
                radial-gradient(circle at 70% 25%, #ffbed3 0 9%, transparent 10%),
                linear-gradient(135deg, #8c7af8, #654fc8 46%, #e987ab);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }

        .news-feature h3 {
            max-width: 560px;
            margin: 12px 0;
            color: #fff;
            font-size: clamp(1.5rem, 3vw, 2.25rem);
        }

        .news-feature p {
            max-width: 560px;
            margin: 0;
            color: rgba(255, 255, 255, .76);
        }

        .news-list {
            display: grid;
            gap: 13px;
        }

        .news-item {
            display: grid;
            grid-template-columns: 86px 1fr;
            gap: 20px;
            align-items: center;
            padding: 21px;
            color: var(--text);
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 17px;
            transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
        }

        .news-item:hover {
            border-color: rgba(111, 93, 246, .28);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }

        .news-date {
            padding: 12px 8px;
            color: var(--primary-dark);
            background: var(--primary-soft);
            border-radius: 12px;
            font-size: .76rem;
            font-weight: 900;
            text-align: center;
        }

        .news-item h3 {
            margin-bottom: 6px;
            font-size: 1rem;
        }

        .news-item p {
            margin: 0;
            color: var(--muted);
            font-size: .82rem;
        }

        .story-band {
            position: relative;
            overflow: hidden;
            color: #fff;
            background: var(--surface-deep);
        }

        .story-band::before {
            position: absolute;
            width: 520px;
            height: 520px;
            top: -250px;
            right: -80px;
            content: "";
            background: radial-gradient(circle, rgba(255, 126, 168, .25), transparent 68%);
            border-radius: 50%;
        }

        .story-grid {
            position: relative;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 70px;
            align-items: center;
        }

        .story-copy h2 {
            color: #fff;
        }

        .story-copy p {
            color: rgba(255, 255, 255, .68);
        }

        .story-values {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }

        .value-box {
            min-height: 155px;
            padding: 24px;
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 18px;
        }

        .value-box strong {
            display: block;
            margin: 13px 0 7px;
            color: #fff;
        }

        .value-box span {
            color: rgba(255, 255, 255, .58);
            font-size: .84rem;
        }

        .cta-section {
            padding-top: 72px;
            padding-bottom: 72px;
        }

        .cta-panel {
            position: relative;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 40px;
            align-items: center;
            padding: 45px 52px;
            overflow: hidden;
            background: linear-gradient(120deg, #fff, #f3f0ff 55%, #ffeaf1);
            border: 1px solid rgba(111, 93, 246, .16);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
        }

        .cta-panel::after {
            position: absolute;
            width: 150px;
            height: 150px;
            right: 16%;
            bottom: -95px;
            content: "";
            border: 25px solid rgba(111, 93, 246, .07);
            border-radius: 50%;
        }

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

        .cta-panel p {
            max-width: 720px;
            margin: 0;
            color: var(--muted);
        }

        .cta-actions {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 10px;
        }

        .site-footer {
            color: rgba(255, 255, 255, .68);
            background: #18152c;
        }

        .footer-main {
            display: grid;
            grid-template-columns: 1.3fr .7fr .7fr;
            gap: 60px;
            padding-top: 64px;
            padding-bottom: 48px;
        }

        .footer-brand .logo {
            margin-bottom: 20px;
            color: #fff;
        }

        .footer-brand p {
            max-width: 510px;
            color: rgba(255, 255, 255, .55);
            font-size: .9rem;
        }

        .footer-title {
            margin-bottom: 17px;
            color: #fff;
            font-size: .92rem;
            font-weight: 900;
        }

        .footer-links {
            display: grid;
            gap: 11px;
            list-style: none;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .58);
            font-size: .86rem;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 25px;
            padding: 22px 0;
            border-top: 1px solid rgba(255, 255, 255, .1);
            font-size: .78rem;
        }

        .video-modal {
            position: fixed;
            z-index: 2000;
            inset: 0;
            display: none;
            align-items: center;
            justify-content: center;
            padding: 24px;
            background: rgba(14, 11, 34, .86);
            backdrop-filter: blur(10px);
        }

        .video-modal.open {
            display: flex;
        }

        .modal-dialog {
            position: relative;
            width: min(900px, 100%);
            padding: 14px;
            background: #fff;
            border-radius: 24px;
            box-shadow: 0 35px 100px rgba(0, 0, 0, .4);
        }

        .modal-scene {
            min-height: 480px;
            display: grid;
            place-items: center;
            padding: 50px;
            color: #fff;
            background:
                radial-gradient(circle at 72% 23%, rgba(255, 176, 201, .5), transparent 21%),
                linear-gradient(145deg, #332b73, #715cf5 55%, #c36595);
            border-radius: 16px;
            text-align: center;
        }

        .modal-scene h2 {
            color: #fff;
        }

        .modal-scene p {
            max-width: 600px;
            color: rgba(255, 255, 255, .76);
        }

        .modal-close {
            position: absolute;
            z-index: 2;
            top: 24px;
            right: 24px;
            display: grid;
            width: 40px;
            height: 40px;
            color: #fff;
            background: rgba(20, 16, 54, .42);
            border-radius: 50%;
            cursor: pointer;
            place-items: center;
        }

        .modal-close:hover {
            background: rgba(20, 16, 54, .7);
        }

        @media (max-width: 1100px) {
            .navbar {
                grid-template-columns: auto minmax(220px, 1fr) auto;
            }

            .main-nav {
                position: fixed;
                top: var(--header-height);
                right: 18px;
                display: none;
                width: min(330px, calc(100vw - 36px));
                padding: 12px;
                background: #fff;
                border: 1px solid var(--border);
                border-radius: 16px;
                box-shadow: var(--shadow-lg);
            }

            .main-nav.open {
                display: grid;
            }

            .menu-toggle {
                display: block;
            }

            .hero {
                min-height: 690px;
            }

            .hero-content {
                gap: 30px;
            }

            .pricing-grid {
                gap: 14px;
            }

            .price-card {
                padding: 25px 21px;
            }

            .channel-layout {
                grid-template-columns: 290px 1fr;
                gap: 25px;
            }

            .popular-stage {
                grid-template-columns: 1fr;
            }

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

            .assurance-strip {
                grid-template-columns: repeat(3, 1fr);
            }

            .assurance-item:nth-child(3) {
                border-right: 0;
            }

            .assurance-item:nth-child(-n+3) {
                border-bottom: 1px solid var(--border);
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 68px;
            }

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

            .section {
                padding: 72px 0;
            }

            .navbar {
                grid-template-columns: 1fr auto;
                gap: 10px;
            }

            .search-box,
            .header-tools {
                display: none;
            }

            .logo-name small {
                display: none;
            }

            .hero {
                min-height: 760px;
            }

            .hero-content {
                grid-template-columns: 1fr;
                align-items: center;
                padding-top: 90px;
                padding-bottom: 155px;
            }

            .play-button {
                width: 78px;
                height: 78px;
            }

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

            .hero-point:nth-child(2) {
                border-right: 0;
            }

            .hero-point:nth-child(-n+2) {
                border-bottom: 1px solid rgba(255, 255, 255, .12);
            }

            .tier-layout,
            .campaign-panel,
            .channel-layout,
            .popular-main,
            .news-layout,
            .story-grid,
            .cta-panel {
                grid-template-columns: 1fr;
            }

            .tier-intro {
                position: static;
            }

            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 540px;
                margin: 0 auto;
            }

            .price-card.featured,
            .price-card.featured:hover {
                transform: none;
            }

            .campaign-panel {
                padding: 42px 30px;
            }

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

            .popular-main {
                min-height: auto;
            }

            .popular-art {
                min-height: 320px;
            }

            .demo-content {
                grid-template-columns: 125px 1fr;
            }

            .demo-caption {
                flex-direction: column;
                gap: 8px;
            }

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

            .assurance-item,
            .assurance-item:nth-child(3) {
                border-right: 1px solid var(--border);
                border-bottom: 1px solid var(--border);
            }

            .assurance-item:nth-child(even) {
                border-right: 0;
            }

            .assurance-item:last-child {
                grid-column: 1 / -1;
                border-right: 0;
                border-bottom: 0;
            }

            .story-grid {
                gap: 38px;
            }

            .cta-panel {
                padding: 38px 30px;
            }

            .footer-main {
                grid-template-columns: 1fr 1fr;
                gap: 38px;
            }

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

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

            h1 {
                font-size: clamp(2.15rem, 11vw, 3.2rem);
            }

            h2 {
                font-size: 1.85rem;
            }

            .section {
                padding: 58px 0;
            }

            .logo-mark {
                width: 38px;
                height: 38px;
            }

            .hero {
                min-height: 820px;
            }

            .hero-content {
                padding-bottom: 190px;
            }

            .hero-actions,
            .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }

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

            .hero-points {
                grid-template-columns: 1fr 1fr;
            }

            .hero-point {
                padding: 13px 12px;
            }

            .tier-row {
                grid-template-columns: 52px 1fr;
                gap: 13px;
                padding: 20px 17px;
            }

            .tier-reward {
                grid-column: 2;
                justify-self: start;
            }

            .campaign-panel {
                padding: 34px 22px;
                border-radius: 22px;
            }

            .countdown-wrap {
                padding: 19px 14px;
            }

            .time-unit strong {
                font-size: 1.25rem;
            }

            .channel-aside {
                padding: 25px;
            }

            .popular-copy {
                padding: 28px 23px;
            }

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

            .demo-content {
                grid-template-columns: 1fr;
            }

            .demo-sidebar {
                display: none;
            }

            .demo-dashboard {
                padding: 17px;
            }

            .demo-cards {
                grid-template-columns: 1fr 1fr;
            }

            .demo-card:first-child {
                grid-column: 1 / -1;
                grid-row: auto;
                height: 170px;
            }

            .review-card {
                width: 290px;
            }

            .assurance-strip {
                grid-template-columns: 1fr;
            }

            .assurance-item,
            .assurance-item:nth-child(even),
            .assurance-item:nth-child(3) {
                grid-column: auto;
                border-right: 0;
                border-bottom: 1px solid var(--border);
            }

            .news-feature {
                min-height: 420px;
                padding: 27px;
            }

            .news-item {
                grid-template-columns: 68px 1fr;
                gap: 13px;
                padding: 16px;
            }

            .story-values {
                grid-template-columns: 1fr;
            }

            .cta-panel {
                padding: 31px 23px;
            }

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

            .footer-brand {
                grid-column: auto;
            }

            .footer-bottom {
                flex-direction: column;
            }

            .modal-scene {
                min-height: 400px;
                padding: 34px 22px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                scroll-behavior: auto !important;
                animation-duration: .01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: .01ms !important;
            }
        }

/* roulang page: category1 */
:root {
  --primary: #6f5df6;
  --primary-dark: #5140d6;
  --primary-soft: #ece9ff;
  --secondary: #ff7ea8;
  --secondary-soft: #fff0f5;
  --accent: #28c7b7;
  --accent-soft: #e6faf7;
  --ink: #17172a;
  --text: #39384d;
  --muted: #737187;
  --surface: #ffffff;
  --surface-soft: #f7f7fc;
  --surface-deep: #24213e;
  --border: #e7e5f1;
  --warning: #ffb547;
  --success: #28b78d;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-xl: 38px;
  --shadow-sm: 0 8px 24px rgba(42, 35, 92, .07);
  --shadow-md: 0 18px 46px rgba(42, 35, 92, .12);
  --shadow-lg: 0 30px 80px rgba(30, 24, 76, .2);
  --container: 1200px;
  --header-height: 76px;
  --transition: 220ms ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--surface);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

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

button, input, select {
  font: inherit;
}

button, a, input {
  -webkit-tap-highlight-color: transparent;
}

button {
  border: 0;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(111, 93, 246, .28);
  outline-offset: 3px;
}

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

.site-header {
  position: sticky;
  z-index: 1000;
  top: 0;
  min-height: var(--header-height);
  background: rgba(255, 255, 255, .92);
  border-bottom: 1px solid rgba(231, 229, 241, .88);
  box-shadow: 0 8px 28px rgba(31, 27, 68, .04);
  backdrop-filter: blur(18px);
}

.header-inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 11px;
}

.logo-mark {
  position: relative;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(145deg, var(--primary), var(--secondary));
  border-radius: 14px;
  box-shadow: 0 10px 24px rgba(111, 93, 246, .26);
}

.logo-mark::after {
  position: absolute;
  right: -9px;
  bottom: -10px;
  width: 27px;
  height: 27px;
  content: "";
  background: rgba(255, 255, 255, .24);
  border-radius: 50%;
}

.logo-mark strong {
  position: relative;
  z-index: 1;
  letter-spacing: -.04em;
}

.logo-name {
  display: flex;
  color: var(--ink);
  font-size: 1.03rem;
  font-weight: 850;
  line-height: 1.15;
  flex-direction: column;
}

.logo-name small {
  margin-top: 4px;
  color: var(--muted);
  font-size: .66rem;
  font-weight: 600;
  letter-spacing: .08em;
}

.header-search {
  position: relative;
  width: min(360px, 31vw);
  margin-left: auto;
}

.header-search svg {
  position: absolute;
  top: 50%;
  left: 15px;
  width: 18px;
  color: var(--muted);
  transform: translateY(-50%);
}

.header-search input {
  width: 100%;
  height: 44px;
  padding: 0 42px;
  color: var(--ink);
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: 13px;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.header-search input::placeholder {
  color: #9693a7;
}

.header-search input:focus {
  background: #fff;
  border-color: rgba(111, 93, 246, .55);
  box-shadow: 0 0 0 4px rgba(111, 93, 246, .09);
  outline: 0;
}

.search-key {
  position: absolute;
  top: 50%;
  right: 11px;
  padding: 2px 7px;
  color: var(--muted);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: .68rem;
  transform: translateY(-50%);
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tool-pill {
  display: inline-flex;
  min-height: 36px;
  padding: 7px 11px;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: .78rem;
  font-weight: 700;
}

.tool-dot {
  width: 7px;
  height: 7px;
  background: var(--success);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(40, 183, 141, .1);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  position: relative;
  padding: 10px 13px;
  color: var(--muted);
  border-radius: 10px;
  font-size: .92rem;
  font-weight: 750;
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover {
  color: var(--primary-dark);
  background: var(--primary-soft);
}

.nav-link.active {
  color: var(--primary-dark);
  background: var(--primary-soft);
}

.nav-link.active::after {
  position: absolute;
  right: 12px;
  bottom: 5px;
  left: 12px;
  height: 2px;
  content: "";
  background: var(--primary);
  border-radius: 99px;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: 11px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 4px 0;
  background: var(--ink);
  border-radius: 9px;
  transition: transform var(--transition), opacity var(--transition);
}

.hero {
  position: relative;
  min-height: 680px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 8% 22%, rgba(255, 126, 168, .18), transparent 27%),
    radial-gradient(circle at 82% 18%, rgba(111, 93, 246, .18), transparent 30%),
    linear-gradient(180deg, #fbfaff 0%, #f7f7fc 100%);
}

.hero::before,
.hero::after {
  position: absolute;
  content: "";
  pointer-events: none;
  border: 1px solid rgba(111, 93, 246, .13);
  border-radius: 50%;
}

.hero::before {
  top: 80px;
  right: -150px;
  width: 430px;
  height: 430px;
}

.hero::after {
  bottom: -90px;
  left: -70px;
  width: 220px;
  height: 220px;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  padding: 78px 0;
  align-items: center;
  grid-template-columns: minmax(0, 1fr) minmax(440px, .92fr);
  gap: 70px;
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 15px;
  align-items: center;
  gap: 8px;
  color: var(--primary-dark);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .14em;
}

.eyebrow::before {
  width: 26px;
  height: 2px;
  content: "";
  background: currentColor;
  border-radius: 9px;
}

.hero h1 {
  max-width: 690px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(2.55rem, 5vw, 4.65rem);
  line-height: 1.08;
  letter-spacing: -.045em;
}

.hero h1 .gradient-text {
  color: var(--primary);
  background: linear-gradient(100deg, var(--primary-dark), var(--primary), #c25b8a);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-summary {
  max-width: 650px;
  margin: 25px 0 0;
  color: var(--muted);
  font-size: 1.12rem;
}

.hero-actions {
  display: flex;
  margin-top: 32px;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  min-height: 50px;
  padding: 12px 22px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  color: #fff;
  background: var(--primary);
  border: 1px solid var(--primary);
  border-radius: 14px;
  font-weight: 800;
  line-height: 1.2;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
}

.btn:hover {
  color: #fff;
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  box-shadow: 0 13px 28px rgba(81, 64, 214, .24);
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-light {
  color: var(--ink);
  background: #fff;
  border-color: rgba(255, 255, 255, .8);
}

.btn-light:hover {
  color: var(--primary-dark);
  background: #f7f5ff;
  border-color: #f7f5ff;
}

.btn-ghost {
  color: var(--primary-dark);
  background: transparent;
  border-color: var(--border);
}

.btn-ghost:hover {
  color: var(--primary-dark);
  background: var(--primary-soft);
  border-color: rgba(111, 93, 246, .24);
}

.btn-sm {
  min-height: 42px;
  padding: 9px 16px;
  border-radius: 12px;
  font-size: .9rem;
}

.hero-points {
  display: flex;
  margin: 28px 0 0;
  padding: 0;
  flex-wrap: wrap;
  gap: 18px;
  list-style: none;
}

.hero-points li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: .88rem;
  font-weight: 650;
}

.hero-points li::before {
  display: grid;
  width: 19px;
  height: 19px;
  content: "✓";
  place-items: center;
  color: #fff;
  background: var(--accent);
  border-radius: 50%;
  font-size: .7rem;
}

.code-window {
  overflow: hidden;
  background: #1d1b31;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transform: perspective(1200px) rotateY(-2deg) rotateX(1deg);
}

.code-bar {
  display: flex;
  min-height: 52px;
  padding: 0 18px;
  align-items: center;
  color: rgba(255, 255, 255, .66);
  background: rgba(255, 255, 255, .045);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  font-size: .78rem;
}

.code-dots {
  display: flex;
  margin-right: 18px;
  gap: 7px;
}

.code-dots i {
  width: 9px;
  height: 9px;
  background: var(--secondary);
  border-radius: 50%;
}

.code-dots i:nth-child(2) {
  background: var(--warning);
}

.code-dots i:nth-child(3) {
  background: var(--accent);
}

.code-state {
  margin-left: auto;
  color: #83e3d8;
}

.code-body {
  min-height: 345px;
  margin: 0;
  padding: 26px;
  overflow: auto;
  color: #d8d4ff;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: .88rem;
  line-height: 1.85;
  white-space: pre;
}

.code-comment { color: #88839d; }
.code-key { color: #ff9fbd; }
.code-string { color: #85ddcf; }
.code-method { color: #c7beff; }
.code-number { color: #ffc468; }

.code-foot {
  display: grid;
  padding: 16px 20px;
  color: rgba(255, 255, 255, .68);
  background: rgba(255, 255, 255, .035);
  border-top: 1px solid rgba(255, 255, 255, .08);
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  font-size: .75rem;
}

.code-foot strong {
  display: block;
  color: #fff;
  font-size: .96rem;
}

.section {
  position: relative;
  padding: 104px 0;
}

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

.section-dark {
  color: rgba(255, 255, 255, .78);
  background:
    radial-gradient(circle at 10% 20%, rgba(111, 93, 246, .28), transparent 32%),
    radial-gradient(circle at 90% 80%, rgba(255, 126, 168, .17), transparent 28%),
    var(--surface-deep);
}

.section-dark h2,
.section-dark h3 {
  color: #fff;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 46px;
}

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

.section-heading h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(2rem, 3.5vw, 3.15rem);
  line-height: 1.18;
  letter-spacing: -.035em;
}

.section-heading p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.section-dark .section-heading p {
  color: rgba(255, 255, 255, .7);
}

.section-dark .eyebrow {
  color: #bdb5ff;
}

.docs-layout {
  display: grid;
  align-items: start;
  grid-template-columns: 224px minmax(0, 1fr);
  gap: 54px;
}

.docs-aside {
  position: sticky;
  top: 100px;
  padding: 18px;
  background: rgba(255, 255, 255, .92);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.aside-title {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: .82rem;
  font-weight: 850;
  letter-spacing: .06em;
}

.aside-nav {
  display: grid;
  gap: 4px;
}

.aside-nav a {
  padding: 9px 11px;
  color: var(--muted);
  border-radius: 9px;
  font-size: .86rem;
  font-weight: 650;
  transition: color var(--transition), background var(--transition), transform var(--transition);
}

.aside-nav a:hover,
.aside-nav a.active {
  color: var(--primary-dark);
  background: var(--primary-soft);
  transform: translateX(3px);
}

.docs-main {
  min-width: 0;
}

.docs-main > section {
  scroll-margin-top: 98px;
}

.badge {
  display: inline-flex;
  min-height: 28px;
  padding: 4px 11px;
  align-items: center;
  justify-content: center;
  color: var(--primary-dark);
  background: var(--primary-soft);
  border: 1px solid rgba(111, 93, 246, .14);
  border-radius: 999px;
  font-size: .76rem;
  font-weight: 800;
  white-space: nowrap;
}

.badge.hot {
  color: #b33b64;
  background: var(--secondary-soft);
  border-color: rgba(255, 126, 168, .24);
}

.badge.green {
  color: #147e73;
  background: var(--accent-soft);
  border-color: rgba(40, 199, 183, .24);
}

.feature-groups {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 22px;
}

.feature-card {
  position: relative;
  min-height: 225px;
  padding: 30px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.feature-card:hover {
  border-color: rgba(111, 93, 246, .28);
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.feature-card.large {
  grid-row: span 2;
  background:
    radial-gradient(circle at 92% 12%, rgba(111, 93, 246, .16), transparent 34%),
    #fff;
}

.feature-icon {
  display: grid;
  width: 50px;
  height: 50px;
  margin-bottom: 23px;
  place-items: center;
  color: var(--primary-dark);
  background: var(--primary-soft);
  border-radius: 15px;
  font-size: 1.3rem;
  font-weight: 900;
}

.feature-card:nth-child(2) .feature-icon {
  color: #a53c63;
  background: var(--secondary-soft);
}

.feature-card:nth-child(3) .feature-icon {
  color: #137c71;
  background: var(--accent-soft);
}

.feature-card h3 {
  margin: 0 0 11px;
  color: var(--ink);
  font-size: 1.28rem;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
}

.feature-list {
  display: grid;
  margin: 26px 0 0;
  padding: 0;
  grid-template-columns: repeat(2, 1fr);
  gap: 11px;
  list-style: none;
}

.feature-list li {
  display: flex;
  padding: 10px 12px;
  align-items: center;
  gap: 8px;
  color: var(--text);
  background: var(--surface-soft);
  border-radius: 10px;
  font-size: .86rem;
  font-weight: 700;
}

.feature-list li::before {
  width: 7px;
  height: 7px;
  content: "";
  background: var(--primary);
  border-radius: 50%;
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}

.scene-card {
  position: relative;
  min-height: 240px;
  display: flex;
  padding: 28px;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  color: #fff;
  background: var(--surface-deep);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.scene-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.scene-card::after {
  position: absolute;
  z-index: 0;
  top: -50px;
  right: -45px;
  width: 170px;
  height: 170px;
  content: "";
  background: rgba(255, 255, 255, .1);
  border-radius: 46% 54% 61% 39%;
  transform: rotate(22deg);
}

.scene-card:nth-child(1) {
  grid-column: span 7;
  background: linear-gradient(140deg, #5544d8, #8775ff);
}

.scene-card:nth-child(2) {
  grid-column: span 5;
  background: linear-gradient(140deg, #c34d78, #ff8aaf);
}

.scene-card:nth-child(3) {
  grid-column: span 4;
  color: var(--ink);
  background: linear-gradient(140deg, #dffaf6, #9ee9df);
}

.scene-card:nth-child(4) {
  grid-column: span 8;
  background: linear-gradient(140deg, #292644, #484266);
}

.scene-number,
.scene-card h3,
.scene-card p {
  position: relative;
  z-index: 1;
}

.scene-number {
  position: absolute;
  top: 25px;
  left: 28px;
  color: rgba(255, 255, 255, .66);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .14em;
}

.scene-card:nth-child(3) .scene-number {
  color: rgba(23, 23, 42, .48);
}

.scene-card h3 {
  margin: 0 0 8px;
  font-size: 1.4rem;
}

.scene-card p {
  max-width: 540px;
  margin: 0;
  color: rgba(255, 255, 255, .74);
}

.scene-card:nth-child(3) p {
  color: rgba(23, 23, 42, .65);
}

.demo-shell {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.demo-toolbar {
  display: flex;
  min-height: 60px;
  padding: 0 22px;
  align-items: center;
  gap: 12px;
  background: var(--surface-soft);
  border-bottom: 1px solid var(--border);
}

.demo-toolbar strong {
  color: var(--ink);
}

.demo-status {
  display: inline-flex;
  margin-left: auto;
  align-items: center;
  gap: 7px;
  color: var(--success);
  font-size: .78rem;
  font-weight: 800;
}

.demo-status::before {
  width: 8px;
  height: 8px;
  content: "";
  background: currentColor;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(40, 183, 141, .12);
}

.demo-content {
  display: grid;
  min-height: 480px;
  grid-template-columns: 210px minmax(0, 1fr);
}

.demo-menu {
  padding: 24px 16px;
  background: #fbfaff;
  border-right: 1px solid var(--border);
}

.demo-menu span {
  display: block;
  padding: 11px 13px;
  color: var(--muted);
  border-radius: 10px;
  font-size: .86rem;
  font-weight: 700;
}

.demo-menu span.active {
  color: var(--primary-dark);
  background: var(--primary-soft);
}

.demo-panel {
  padding: 30px;
}

.demo-panel-head {
  display: flex;
  margin-bottom: 24px;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.demo-panel h3 {
  margin: 0;
  color: var(--ink);
  font-size: 1.35rem;
}

.demo-panel p {
  margin: 5px 0 0;
  color: var(--muted);
}

.metric-grid {
  display: grid;
  margin-bottom: 22px;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.metric {
  padding: 20px;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.metric span {
  color: var(--muted);
  font-size: .78rem;
}

.metric strong {
  display: block;
  margin-top: 7px;
  color: var(--ink);
  font-size: 1.55rem;
}

.metric em {
  color: var(--success);
  font-size: .76rem;
  font-style: normal;
  font-weight: 800;
}

.chart {
  position: relative;
  height: 190px;
  padding: 20px 20px 12px;
  overflow: hidden;
  background:
    linear-gradient(to right, transparent 49px, rgba(231, 229, 241, .7) 50px),
    linear-gradient(to bottom, transparent 37px, rgba(231, 229, 241, .7) 38px);
  background-size: 50px 38px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.chart-bars {
  position: absolute;
  right: 20px;
  bottom: 16px;
  left: 20px;
  height: 150px;
  display: flex;
  align-items: flex-end;
  gap: 12px;
}

.chart-bars i {
  flex: 1;
  height: var(--h);
  background: linear-gradient(180deg, var(--primary), #a196ff);
  border-radius: 8px 8px 3px 3px;
  opacity: .9;
  transition: opacity var(--transition), transform var(--transition);
}

.chart-bars i:nth-child(even) {
  background: linear-gradient(180deg, var(--secondary), #ffc0d5);
}

.chart-bars i:hover {
  opacity: 1;
  transform: scaleY(1.03);
  transform-origin: bottom;
}

.success-grid {
  display: grid;
  align-items: stretch;
  grid-template-columns: .82fr 1.18fr;
  gap: 24px;
}

.assurance-panel {
  padding: 34px;
  color: #fff;
  background:
    radial-gradient(circle at 90% 5%, rgba(40, 199, 183, .34), transparent 36%),
    var(--surface-deep);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.assurance-panel h3 {
  margin: 18px 0 12px;
  font-size: 1.65rem;
}

.assurance-panel p {
  color: rgba(255, 255, 255, .7);
}

.assurance-list {
  display: grid;
  margin: 26px 0 0;
  padding: 0;
  gap: 13px;
  list-style: none;
}

.assurance-list li {
  display: flex;
  padding: 13px 14px;
  align-items: flex-start;
  gap: 10px;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .09);
  border-radius: 12px;
}

.assurance-list li::before {
  content: "◆";
  color: #7ee2d7;
  font-size: .68rem;
}

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

.case-item {
  display: grid;
  padding: 25px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  grid-template-columns: 58px minmax(0, 1fr) auto;
  gap: 18px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.case-item:hover {
  border-color: rgba(111, 93, 246, .3);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.case-icon {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  color: var(--primary-dark);
  background: var(--primary-soft);
  border-radius: 17px;
  font-weight: 900;
}

.case-item:nth-child(2) .case-icon {
  color: #a43b62;
  background: var(--secondary-soft);
}

.case-item:nth-child(3) .case-icon {
  color: #137d72;
  background: var(--accent-soft);
}

.case-item h3 {
  margin: 0 0 3px;
  color: var(--ink);
  font-size: 1rem;
}

.case-item p {
  margin: 0;
  color: var(--muted);
  font-size: .9rem;
}

.case-result {
  color: var(--primary-dark);
  font-size: .82rem;
  font-weight: 850;
}

.plan-grid {
  display: grid;
  align-items: stretch;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.plan-card {
  position: relative;
  display: flex;
  padding: 31px;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.plan-card:hover {
  border-color: rgba(111, 93, 246, .28);
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.plan-card.featured {
  color: rgba(255, 255, 255, .8);
  background:
    radial-gradient(circle at 100% 0, rgba(255, 126, 168, .22), transparent 36%),
    var(--surface-deep);
  border-color: transparent;
  box-shadow: var(--shadow-lg);
}

.plan-card h3 {
  margin: 17px 0 5px;
  color: var(--ink);
  font-size: 1.35rem;
}

.plan-card.featured h3 {
  color: #fff;
}

.plan-price {
  margin: 18px 0;
  color: var(--ink);
  font-size: 2rem;
  font-weight: 900;
}

.plan-price small {
  color: var(--muted);
  font-size: .8rem;
  font-weight: 650;
}

.plan-card.featured .plan-price {
  color: #fff;
}

.plan-card.featured .plan-price small {
  color: rgba(255, 255, 255, .6);
}

.plan-list {
  display: grid;
  margin: 0 0 28px;
  padding: 0;
  gap: 11px;
  list-style: none;
}

.plan-list li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: var(--muted);
  font-size: .9rem;
}

.plan-list li::before {
  content: "✓";
  color: var(--success);
  font-weight: 900;
}

.plan-card.featured .plan-list li {
  color: rgba(255, 255, 255, .72);
}

.plan-card .btn {
  margin-top: auto;
}

.review-wall {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 22px;
}

.review-highlight {
  padding: 40px;
  background:
    radial-gradient(circle at 86% 14%, rgba(255, 126, 168, .17), transparent 28%),
    #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.review-stars {
  color: var(--warning);
  font-size: 1.1rem;
  letter-spacing: .12em;
}

.review-highlight blockquote {
  margin: 26px 0;
  color: var(--ink);
  font-size: clamp(1.35rem, 2.3vw, 2rem);
  font-weight: 780;
  line-height: 1.55;
}

.reviewer {
  display: flex;
  align-items: center;
  gap: 13px;
}

.avatar {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  color: #fff;
  background: linear-gradient(140deg, var(--primary), var(--secondary));
  border-radius: 50%;
  font-weight: 900;
}

.reviewer strong {
  display: block;
  color: var(--ink);
}

.reviewer span {
  color: var(--muted);
  font-size: .8rem;
}

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

.review-stat {
  display: flex;
  min-height: 165px;
  padding: 24px;
  flex-direction: column;
  justify-content: space-between;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.review-stat strong {
  color: var(--primary-dark);
  font-size: 2rem;
}

.review-stat span {
  color: var(--muted);
  font-size: .88rem;
}

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

.voice-card {
  position: relative;
  padding: 28px;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radius-md);
  transition: background var(--transition), transform var(--transition);
}

.voice-card:hover {
  background: rgba(255, 255, 255, .1);
  transform: translateY(-4px);
}

.voice-card::before {
  display: block;
  margin-bottom: 13px;
  content: "“";
  color: #bdb5ff;
  font-family: Georgia, serif;
  font-size: 3rem;
  line-height: .8;
}

.voice-card p {
  min-height: 106px;
  margin: 0 0 20px;
  color: rgba(255, 255, 255, .78);
}

.voice-card strong {
  display: block;
  color: #fff;
}

.voice-card span {
  color: rgba(255, 255, 255, .5);
  font-size: .78rem;
}

.news-layout {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 28px;
}

.news-feature {
  display: flex;
  min-height: 410px;
  padding: 36px;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 76% 18%, rgba(255, 255, 255, .18), transparent 19%),
    radial-gradient(circle at 88% 31%, rgba(40, 199, 183, .4), transparent 24%),
    linear-gradient(145deg, #4f3fd0, #27223f);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.news-feature h3 {
  max-width: 600px;
  margin: 17px 0 10px;
  font-size: clamp(1.55rem, 2.8vw, 2.35rem);
  line-height: 1.35;
}

.news-feature p {
  max-width: 600px;
  margin: 0;
  color: rgba(255, 255, 255, .68);
}

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

.news-item {
  display: block;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.news-item:hover {
  border-color: rgba(111, 93, 246, .3);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.news-meta {
  display: flex;
  margin-bottom: 7px;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: .75rem;
}

.news-item h3 {
  margin: 0;
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.55;
}

.news-item p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: .86rem;
}

.cta-section {
  padding: 40px 0 104px;
  background: var(--surface-soft);
}

.cta-box {
  position: relative;
  display: grid;
  padding: 58px;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 13% 10%, rgba(255, 126, 168, .28), transparent 30%),
    radial-gradient(circle at 89% 95%, rgba(40, 199, 183, .24), transparent 25%),
    linear-gradient(135deg, #5140d6, #292442 76%);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 40px;
}

.cta-box::after {
  position: absolute;
  top: -70px;
  right: 15%;
  width: 190px;
  height: 190px;
  content: "";
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 50%;
}

.cta-copy {
  position: relative;
  z-index: 1;
}

.cta-copy h2 {
  margin: 0;
  color: #fff;
  font-size: clamp(2rem, 3.7vw, 3.2rem);
  line-height: 1.2;
}

.cta-copy p {
  max-width: 690px;
  margin: 17px 0 0;
  color: rgba(255, 255, 255, .7);
}

.cta-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
}

.search-feedback {
  position: fixed;
  z-index: 1100;
  right: 24px;
  bottom: 24px;
  max-width: 340px;
  padding: 14px 18px;
  color: #fff;
  background: var(--surface-deep);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 13px;
  box-shadow: var(--shadow-lg);
  font-size: .88rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition);
}

.search-feedback.show {
  opacity: 1;
  transform: translateY(0);
}

.site-footer {
  color: rgba(255, 255, 255, .69);
  background: #1c1a30;
}

.footer-main {
  display: grid;
  padding-top: 70px;
  padding-bottom: 54px;
  grid-template-columns: minmax(300px, 1.5fr) .7fr .7fr;
  gap: 64px;
}

.footer-brand .logo-name {
  color: #fff;
}

.footer-brand .logo-name small {
  color: rgba(255, 255, 255, .48);
}

.footer-brand p {
  max-width: 470px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, .56);
}

.footer-title {
  margin-bottom: 16px;
  color: #fff;
  font-size: .92rem;
  font-weight: 850;
}

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

.footer-links a {
  color: rgba(255, 255, 255, .58);
  font-size: .88rem;
  transition: color var(--transition), transform var(--transition);
}

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

.footer-bottom {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: rgba(255, 255, 255, .42);
  border-top: 1px solid rgba(255, 255, 255, .08);
  font-size: .78rem;
}

@media (max-width: 1100px) {
  .header-inner {
    gap: 14px;
  }

  .header-search {
    width: min(260px, 25vw);
  }

  .tool-pill:last-child {
    display: none;
  }

  .hero-grid {
    gap: 40px;
    grid-template-columns: minmax(0, 1fr) minmax(390px, .9fr);
  }

  .docs-layout {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 32px;
  }

  .plan-card {
    padding: 25px;
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 68px;
  }

  .header-inner {
    flex-wrap: wrap;
  }

  .header-search,
  .header-tools {
    display: none;
  }

  .menu-toggle {
    display: block;
    margin-left: auto;
  }

  .main-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    display: none;
    padding: 14px 20px 18px;
    background: rgba(255, 255, 255, .98);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }

  .main-nav.open {
    display: grid;
  }

  .nav-link {
    padding: 12px 14px;
  }

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

  .hero {
    min-height: auto;
  }

  .hero-grid {
    padding: 70px 0;
    grid-template-columns: 1fr;
  }

  .code-window {
    transform: none;
  }

  .docs-layout {
    display: block;
  }

  .docs-aside {
    position: relative;
    z-index: 2;
    top: auto;
    margin-bottom: 28px;
    overflow-x: auto;
  }

  .aside-title {
    display: none;
  }

  .aside-nav {
    display: flex;
    width: max-content;
  }

  .aside-nav a:hover,
  .aside-nav a.active {
    transform: none;
  }

  .feature-groups,
  .success-grid,
  .review-wall,
  .news-layout {
    grid-template-columns: 1fr;
  }

  .feature-card.large {
    grid-row: auto;
  }

  .scene-card:nth-child(n) {
    grid-column: span 6;
  }

  .plan-grid,
  .voices {
    grid-template-columns: 1fr;
  }

  .plan-card.featured {
    order: -1;
  }

  .cta-box {
    padding: 45px;
    grid-template-columns: 1fr;
  }

  .footer-main {
    grid-template-columns: 1.4fr .7fr .7fr;
    gap: 32px;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .section {
    padding: 76px 0;
  }

  .logo-mark {
    width: 40px;
    height: 40px;
  }

  .logo-name {
    font-size: .92rem;
  }

  .hero-grid {
    padding: 56px 0;
  }

  .hero h1 {
    font-size: clamp(2.35rem, 12vw, 3.35rem);
  }

  .hero-summary {
    font-size: 1rem;
  }

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

  .code-body {
    min-height: 315px;
    padding: 20px;
    font-size: .76rem;
  }

  .code-foot {
    grid-template-columns: 1fr;
  }

  .section-heading {
    margin-bottom: 32px;
  }

  .feature-groups,
  .scene-grid {
    display: grid;
    grid-template-columns: 1fr;
  }

  .scene-card:nth-child(n) {
    min-height: 220px;
    grid-column: auto;
  }

  .feature-card,
  .review-highlight,
  .assurance-panel {
    padding: 25px;
  }

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

  .demo-content {
    display: block;
  }

  .demo-menu {
    display: flex;
    padding: 12px;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .demo-menu span {
    flex: 0 0 auto;
  }

  .demo-panel {
    padding: 20px;
  }

  .demo-panel-head {
    display: block;
  }

  .demo-panel-head .badge {
    margin-top: 12px;
  }

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

  .metric {
    padding: 16px;
  }

  .case-item {
    grid-template-columns: 48px minmax(0, 1fr);
  }

  .case-icon {
    width: 48px;
    height: 48px;
  }

  .case-result {
    grid-column: 2;
  }

  .review-stats {
    grid-template-columns: 1fr;
  }

  .voice-card p {
    min-height: 0;
  }

  .news-feature {
    min-height: 350px;
    padding: 28px;
  }

  .cta-section {
    padding-bottom: 76px;
  }

  .cta-box {
    padding: 34px 25px;
    border-radius: var(--radius-lg);
  }

  .cta-actions,
  .cta-actions .btn {
    width: 100%;
  }

  .footer-main {
    padding-top: 54px;
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-bottom {
    padding: 20px 0;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
  }
}

@media (max-width: 420px) {
  .logo-name small {
    display: none;
  }

  .hero h1 {
    font-size: 2.35rem;
  }

  .hero-points {
    display: grid;
    gap: 10px;
  }

  .code-window {
    margin-right: -4px;
    margin-left: -4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}