/* roulang page: index */
:root {
            --primary: #1d4ed8;
            --primary-600: #2563eb;
            --primary-700: #1e40af;
            --primary-soft: #eff6ff;
            --primary-tint: #dbeafe;
            --accent: #0ea5e9;
            --accent-soft: #e0f2fe;
            --success: #16a34a;
            --warning: #f59e0b;
            --danger: #ef4444;
            --ink: #0f172a;
            --text: #24324b;
            --muted: #64748b;
            --light: #f8fafc;
            --surface: #ffffff;
            --surface-2: #f1f5f9;
            --border: #dbe4f0;
            --border-strong: #cbd5e1;
            --shadow-sm: 0 8px 24px rgba(15, 23, 42, .06);
            --shadow: 0 18px 45px rgba(15, 23, 42, .10);
            --shadow-lg: 0 28px 70px rgba(29, 78, 216, .16);
            --radius-sm: 12px;
            --radius: 18px;
            --radius-lg: 28px;
            --container: 1180px;
            --header-height: 116px;
            --ease: cubic-bezier(.2, .8, .2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            text-size-adjust: 100%;
        }

        body {
            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 top left, rgba(37, 99, 235, .10), transparent 34rem),
                linear-gradient(180deg, #ffffff 0%, #f8fbff 38%, #f7f9fc 100%);
            line-height: 1.65;
            min-height: 100vh;
            padding-bottom: 86px;
        }

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

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

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

        button {
            cursor: pointer;
            border: 0;
            background: none;
        }

        input, select, textarea {
            width: 100%;
            border: 1px solid var(--border);
            border-radius: 14px;
            background: #fff;
            color: var(--ink);
            outline: none;
            transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
        }

        input:focus, select:focus, textarea:focus {
            border-color: rgba(37, 99, 235, .75);
            box-shadow: 0 0 0 4px rgba(37, 99, 235, .12);
        }

        ::selection {
            background: rgba(37, 99, 235, .18);
            color: var(--ink);
        }

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

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            backdrop-filter: blur(18px);
            background: rgba(255, 255, 255, .88);
            border-bottom: 1px solid rgba(219, 228, 240, .85);
            box-shadow: 0 10px 30px rgba(15, 23, 42, .04);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 22px;
            min-height: 68px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-weight: 900;
            color: var(--ink);
            letter-spacing: -.03em;
            white-space: nowrap;
        }

        .brand-mark {
            width: 42px;
            height: 42px;
            border-radius: 15px;
            display: grid;
            place-items: center;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            box-shadow: 0 12px 26px rgba(37, 99, 235, .25);
            font-weight: 900;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.1;
        }

        .brand-text strong {
            font-size: 20px;
        }

        .brand-text span {
            font-size: 12px;
            color: var(--muted);
            font-weight: 700;
            letter-spacing: 0;
            margin-top: 5px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex: 1;
            justify-content: flex-end;
            min-width: 0;
        }

        .search-box {
            width: min(440px, 46vw);
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 9px 10px 9px 14px;
            border: 1px solid var(--border);
            border-radius: 999px;
            background: #fff;
            box-shadow: var(--shadow-sm);
        }

        .search-box input {
            border: 0;
            padding: 4px 0;
            min-width: 0;
            box-shadow: none;
            background: transparent;
            font-size: 14px;
        }

        .search-box input:focus {
            box-shadow: none;
        }

        .search-box button {
            min-width: 72px;
            padding: 8px 14px;
            border-radius: 999px;
            color: #fff;
            background: var(--primary);
            font-weight: 800;
        }

        .search-box button:hover {
            background: var(--primary-700);
            transform: translateY(-1px);
        }

        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 14px;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--ink);
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-sm);
        }

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

        .menu-toggle {
            flex-direction: column;
            gap: 5px;
        }

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

        .menu-toggle.is-open::before {
            transform: translateY(7px) rotate(45deg);
        }

        .menu-toggle.is-open::after {
            transform: translateY(-7px) rotate(-45deg);
        }

        .channel-row {
            border-top: 1px solid rgba(219, 228, 240, .70);
        }

        .channel-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 48px;
            gap: 18px;
        }

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 14px;
            border-radius: 999px;
            color: var(--muted);
            font-size: 14px;
            font-weight: 800;
        }

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

        .nav-link.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-600));
            box-shadow: 0 10px 22px rgba(37, 99, 235, .22);
        }

        .trend-strip {
            display: flex;
            align-items: center;
            gap: 8px;
            min-width: 0;
            overflow: hidden;
            color: var(--muted);
            font-size: 13px;
            white-space: nowrap;
        }

        .trend-strip strong {
            color: var(--ink);
            font-weight: 900;
        }

        .trend-chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 10px;
            border-radius: 999px;
            background: var(--surface-2);
            border: 1px solid transparent;
            color: var(--text);
            font-weight: 700;
        }

        .trend-chip:hover {
            border-color: var(--primary-tint);
            background: var(--primary-soft);
            color: var(--primary);
        }

        main {
            overflow: hidden;
        }

        section {
            position: relative;
            padding: 74px 0;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 28px;
            margin-bottom: 28px;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            background: var(--primary-soft);
            border: 1px solid var(--primary-tint);
            padding: 7px 12px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 900;
            margin-bottom: 14px;
        }

        .section-title {
            color: var(--ink);
            font-size: clamp(28px, 3vw, 42px);
            line-height: 1.16;
            letter-spacing: -.04em;
            font-weight: 950;
        }

        .section-desc {
            margin-top: 12px;
            max-width: 720px;
            color: var(--muted);
            font-size: 16px;
        }

        .section-action {
            flex: 0 0 auto;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            border-radius: 999px;
            padding: 12px 20px;
            font-size: 15px;
            font-weight: 900;
            border: 1px solid transparent;
            transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
            user-select: none;
        }

        .btn:focus-visible,
        .nav-link:focus-visible,
        .plan-card:focus-within,
        .faq-item summary:focus-visible,
        .fixed-bar a:focus-visible {
            outline: 3px solid rgba(37, 99, 235, .22);
            outline-offset: 3px;
        }

        .btn-primary {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            box-shadow: 0 14px 30px rgba(37, 99, 235, .22);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 20px 42px rgba(37, 99, 235, .28);
        }

        .btn-secondary {
            color: var(--primary);
            background: #fff;
            border-color: var(--primary-tint);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary:hover {
            background: var(--primary-soft);
            border-color: rgba(37, 99, 235, .34);
            transform: translateY(-2px);
        }

        .btn-ghost {
            color: var(--text);
            background: rgba(255, 255, 255, .72);
            border-color: var(--border);
        }

        .btn-ghost:hover {
            color: var(--primary);
            border-color: var(--primary-tint);
            background: #fff;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 10px;
            border-radius: 999px;
            background: var(--accent-soft);
            color: #0369a1;
            font-size: 12px;
            font-weight: 900;
            white-space: nowrap;
        }

        .hero {
            padding: 46px 0 72px;
        }

        .hero-shell {
            border: 1px solid rgba(203, 213, 225, .82);
            border-radius: 34px;
            background:
                linear-gradient(135deg, rgba(239, 246, 255, .88), rgba(255, 255, 255, .94) 46%, rgba(224, 242, 254, .72)),
                #fff;
            box-shadow: var(--shadow-lg);
            overflow: hidden;
        }

        .hero-top {
            padding: clamp(28px, 5vw, 54px);
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 30px;
            align-items: stretch;
        }

        .hero-copy {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .hero-labels {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 18px;
        }

        .hero h1 {
            color: var(--ink);
            font-size: clamp(34px, 5.1vw, 64px);
            line-height: 1.06;
            letter-spacing: -.06em;
            font-weight: 950;
            max-width: 780px;
        }

        .hero-intro {
            margin-top: 18px;
            color: #334155;
            font-size: clamp(16px, 1.8vw, 19px);
            max-width: 760px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-top: 28px;
        }

        .hero-points {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
            margin-top: 28px;
        }

        .hero-point {
            padding: 14px;
            border-radius: 18px;
            background: rgba(255, 255, 255, .78);
            border: 1px solid rgba(219, 228, 240, .82);
        }

        .hero-point strong {
            display: block;
            color: var(--ink);
            font-size: 22px;
            line-height: 1;
            letter-spacing: -.04em;
        }

        .hero-point span {
            display: block;
            margin-top: 8px;
            color: var(--muted);
            font-size: 13px;
            font-weight: 700;
        }

        .selection-board {
            display: grid;
            gap: 14px;
            align-content: center;
        }

        .option-card {
            position: relative;
            display: grid;
            grid-template-columns: auto 1fr auto;
            gap: 14px;
            align-items: center;
            padding: 17px;
            border-radius: 22px;
            background: rgba(255, 255, 255, .86);
            border: 1px solid rgba(219, 228, 240, .90);
            box-shadow: var(--shadow-sm);
            transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
        }

        .option-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
            border-color: var(--primary-tint);
        }

        .option-card.recommend {
            border: 2px solid rgba(37, 99, 235, .45);
            background: linear-gradient(135deg, #ffffff, #eff6ff);
            box-shadow: 0 22px 55px rgba(37, 99, 235, .16);
            transform: scale(1.03);
            z-index: 2;
        }

        .option-icon {
            width: 46px;
            height: 46px;
            border-radius: 16px;
            display: grid;
            place-items: center;
            background: var(--primary-soft);
            color: var(--primary);
            font-weight: 950;
        }

        .option-card.recommend .option-icon {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--accent));
        }

        .option-body strong {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            color: var(--ink);
            font-size: 17px;
            line-height: 1.25;
        }

        .option-body p {
            color: var(--muted);
            font-size: 13px;
            margin-top: 5px;
        }

        .option-score {
            color: var(--primary);
            font-weight: 950;
            letter-spacing: -.04em;
            font-size: 22px;
        }

        .hero-bottom {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            border-top: 1px solid rgba(219, 228, 240, .85);
            background: rgba(255, 255, 255, .62);
        }

        .hero-bottom-item {
            padding: 20px clamp(18px, 3vw, 32px);
            border-right: 1px solid rgba(219, 228, 240, .85);
        }

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

        .hero-bottom-item strong {
            display: block;
            color: var(--ink);
            font-size: 16px;
        }

        .hero-bottom-item span {
            display: block;
            color: var(--muted);
            font-size: 13px;
            margin-top: 5px;
        }

        .countdown-section {
            padding-top: 0;
        }

        .countdown-panel {
            display: grid;
            grid-template-columns: .9fr 1.1fr;
            gap: 24px;
            align-items: stretch;
            border-radius: var(--radius-lg);
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 24px;
        }

        .timer-card {
            border-radius: 24px;
            background: linear-gradient(135deg, #0f172a, #1e3a8a);
            color: #fff;
            padding: 28px;
            overflow: hidden;
            position: relative;
        }

        .timer-card::after {
            content: "";
            position: absolute;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            right: -90px;
            top: -90px;
            background: rgba(14, 165, 233, .26);
        }

        .timer-card h2 {
            position: relative;
            font-size: clamp(24px, 3vw, 36px);
            line-height: 1.15;
            letter-spacing: -.04em;
            z-index: 1;
        }

        .timer-card p {
            position: relative;
            color: rgba(255, 255, 255, .78);
            margin-top: 12px;
            z-index: 1;
        }

        .timer-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            margin-top: 24px;
        }

        .time-box {
            border-radius: 18px;
            padding: 14px 8px;
            text-align: center;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .16);
            backdrop-filter: blur(10px);
        }

        .time-box strong {
            display: block;
            font-size: 26px;
            line-height: 1;
            letter-spacing: -.04em;
        }

        .time-box span {
            display: block;
            margin-top: 7px;
            font-size: 12px;
            color: rgba(255, 255, 255, .72);
            font-weight: 800;
        }

        .progress-card {
            padding: 24px;
            border-radius: 24px;
            background: linear-gradient(180deg, #ffffff, #f8fbff);
            border: 1px solid var(--border);
        }

        .progress-card h3 {
            color: var(--ink);
            font-size: 22px;
            letter-spacing: -.03em;
        }

        .progress-card > p {
            color: var(--muted);
            margin-top: 8px;
            max-width: 620px;
        }

        .progress-line {
            height: 12px;
            border-radius: 999px;
            background: var(--surface-2);
            overflow: hidden;
            margin: 20px 0;
            border: 1px solid rgba(219, 228, 240, .8);
        }

        .progress-fill {
            height: 100%;
            width: 72%;
            border-radius: inherit;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            box-shadow: 0 0 18px rgba(37, 99, 235, .35);
        }

        .check-list {
            display: grid;
            gap: 12px;
            list-style: none;
        }

        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--text);
            font-weight: 700;
        }

        .check-list li::before {
            content: "✓";
            flex: 0 0 auto;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            display: grid;
            place-items: center;
            background: #dcfce7;
            color: var(--success);
            font-size: 13px;
            font-weight: 950;
            margin-top: 2px;
        }

        .highlights-wall {
            display: grid;
            grid-template-columns: 1.15fr .85fr;
            gap: 24px;
            align-items: start;
        }

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

        .feature-card {
            min-height: 156px;
            padding: 22px;
            border-radius: 24px;
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
        }

        .feature-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary-tint);
            box-shadow: var(--shadow);
        }

        .feature-card.wide {
            grid-column: span 2;
            min-height: 132px;
            background:
                linear-gradient(135deg, rgba(239, 246, 255, .95), rgba(255, 255, 255, .96)),
                #fff;
        }

        .feature-icon {
            width: 40px;
            height: 40px;
            border-radius: 14px;
            display: grid;
            place-items: center;
            color: var(--primary);
            background: var(--primary-soft);
            font-weight: 950;
            margin-bottom: 14px;
        }

        .feature-card h3 {
            color: var(--ink);
            font-size: 18px;
            letter-spacing: -.02em;
        }

        .feature-card p {
            color: var(--muted);
            margin-top: 8px;
            font-size: 14px;
        }

        .proof-panel {
            position: sticky;
            top: 142px;
            padding: 24px;
            border-radius: 28px;
            background: linear-gradient(180deg, #ffffff, #f1f7ff);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }

        .proof-panel h3 {
            color: var(--ink);
            font-size: 24px;
            letter-spacing: -.04em;
        }

        .proof-panel p {
            margin-top: 10px;
            color: var(--muted);
        }

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

        .proof-item {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            align-items: center;
            padding: 14px;
            border-radius: 18px;
            background: #fff;
            border: 1px solid var(--border);
        }

        .proof-item span {
            color: var(--muted);
            font-size: 13px;
            font-weight: 700;
        }

        .proof-item strong {
            color: var(--primary);
            font-size: 20px;
            line-height: 1;
            letter-spacing: -.04em;
        }

        .plans-section {
            background: linear-gradient(180deg, rgba(239, 246, 255, .42), rgba(255, 255, 255, 0));
        }

        .plans-layout {
            display: grid;
            grid-template-columns: 1fr 1.12fr 1fr;
            gap: 18px;
            align-items: stretch;
        }

        .plan-card {
            position: relative;
            padding: 24px;
            border-radius: 28px;
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
        }

        .plan-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
            border-color: var(--primary-tint);
        }

        .plan-card.featured {
            border: 2px solid rgba(37, 99, 235, .48);
            box-shadow: var(--shadow-lg);
            transform: translateY(-10px);
            background:
                linear-gradient(180deg, rgba(239, 246, 255, .95), #fff 44%),
                #fff;
        }

        .plan-top {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 12px;
        }

        .plan-name {
            color: var(--ink);
            font-size: 22px;
            font-weight: 950;
            letter-spacing: -.04em;
        }

        .plan-desc {
            color: var(--muted);
            margin-top: 10px;
            min-height: 54px;
        }

        .plan-price {
            margin: 20px 0 18px;
            color: var(--ink);
            display: flex;
            align-items: baseline;
            gap: 6px;
        }

        .plan-price strong {
            font-size: 36px;
            line-height: 1;
            letter-spacing: -.06em;
        }

        .plan-price span {
            color: var(--muted);
            font-size: 13px;
            font-weight: 800;
        }

        .plan-list {
            list-style: none;
            display: grid;
            gap: 11px;
            margin: 18px 0 22px;
        }

        .plan-list li {
            display: flex;
            gap: 10px;
            color: var(--text);
            font-size: 14px;
            font-weight: 700;
        }

        .plan-list li::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
            flex: 0 0 auto;
            margin-top: 9px;
            box-shadow: 0 0 0 4px var(--primary-soft);
        }

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

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

        .news-list {
            border-radius: 28px;
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .news-item {
            display: grid;
            grid-template-columns: 112px 1fr auto;
            gap: 18px;
            align-items: center;
            padding: 18px 20px;
            border-bottom: 1px solid var(--border);
        }

        .news-item:last-child {
            border-bottom: 0;
        }

        .news-date {
            display: inline-flex;
            flex-direction: column;
            align-items: flex-start;
            color: var(--muted);
            font-size: 13px;
            font-weight: 800;
        }

        .news-date strong {
            color: var(--primary);
            font-size: 20px;
            line-height: 1;
            letter-spacing: -.04em;
        }

        .news-item h3 {
            color: var(--ink);
            font-size: 17px;
            line-height: 1.35;
            letter-spacing: -.02em;
        }

        .news-item h3 a:hover {
            color: var(--primary);
        }

        .news-item p {
            color: var(--muted);
            font-size: 14px;
            margin-top: 6px;
        }

        .news-arrow {
            width: 36px;
            height: 36px;
            display: grid;
            place-items: center;
            border-radius: 50%;
            color: var(--primary);
            background: var(--primary-soft);
            font-weight: 950;
        }

        .news-item:hover .news-arrow {
            color: #fff;
            background: var(--primary);
            transform: translateX(2px);
        }

        .recommend-panel {
            border-radius: 28px;
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 22px;
        }

        .recommend-panel h3 {
            color: var(--ink);
            font-size: 22px;
            letter-spacing: -.03em;
        }

        .recommend-panel p {
            color: var(--muted);
            margin-top: 8px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 18px;
        }

        .tag-cloud a {
            display: inline-flex;
            padding: 8px 11px;
            border-radius: 999px;
            background: var(--surface-2);
            border: 1px solid transparent;
            color: var(--text);
            font-size: 13px;
            font-weight: 800;
        }

        .tag-cloud a:hover {
            background: var(--primary-soft);
            color: var(--primary);
            border-color: var(--primary-tint);
            transform: translateY(-1px);
        }

        .timeline-mini {
            margin-top: 22px;
            display: grid;
            gap: 14px;
        }

        .timeline-item {
            position: relative;
            padding-left: 22px;
        }

        .timeline-item::before {
            content: "";
            position: absolute;
            left: 3px;
            top: 8px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 0 5px var(--accent-soft);
        }

        .timeline-item strong {
            display: block;
            color: var(--ink);
            font-size: 14px;
        }

        .timeline-item span {
            display: block;
            color: var(--muted);
            font-size: 13px;
            margin-top: 3px;
        }

        .signup-section {
            padding-top: 52px;
        }

        .signup-card {
            display: grid;
            grid-template-columns: .95fr 1.05fr;
            gap: 28px;
            align-items: stretch;
            border-radius: 34px;
            background:
                radial-gradient(circle at left top, rgba(14, 165, 233, .18), transparent 34rem),
                linear-gradient(135deg, #0f172a, #1d4ed8);
            color: #fff;
            padding: clamp(24px, 4vw, 42px);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
        }

        .signup-copy h2 {
            font-size: clamp(28px, 3.8vw, 46px);
            line-height: 1.12;
            letter-spacing: -.05em;
        }

        .signup-copy p {
            color: rgba(255, 255, 255, .78);
            margin-top: 14px;
            max-width: 620px;
        }

        .signup-benefits {
            display: grid;
            gap: 12px;
            margin-top: 24px;
            list-style: none;
        }

        .signup-benefits li {
            display: flex;
            gap: 10px;
            color: rgba(255, 255, 255, .88);
            font-weight: 800;
        }

        .signup-benefits li::before {
            content: "•";
            color: #7dd3fc;
            font-size: 24px;
            line-height: 1;
        }

        .lead-form {
            border-radius: 28px;
            background: rgba(255, 255, 255, .96);
            padding: 24px;
            color: var(--text);
            box-shadow: 0 20px 60px rgba(2, 6, 23, .18);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .form-field.full {
            grid-column: span 2;
        }

        .form-field label {
            display: block;
            color: var(--ink);
            font-size: 13px;
            font-weight: 900;
            margin-bottom: 7px;
        }

        .form-field input,
        .form-field select,
        .form-field textarea {
            padding: 12px 13px;
        }

        .form-field textarea {
            min-height: 94px;
            resize: vertical;
        }

        .form-note {
            color: var(--muted);
            font-size: 12px;
            margin-top: 12px;
        }

        .form-message {
            display: none;
            margin-top: 12px;
            padding: 10px 12px;
            border-radius: 14px;
            background: #ecfdf5;
            color: #047857;
            border: 1px solid #bbf7d0;
            font-size: 13px;
            font-weight: 800;
        }

        .lead-form .btn {
            width: 100%;
            margin-top: 14px;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: .72fr 1.28fr;
            gap: 24px;
            align-items: start;
        }

        .faq-aside {
            border-radius: 28px;
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 24px;
        }

        .faq-aside h2 {
            color: var(--ink);
            font-size: 30px;
            line-height: 1.15;
            letter-spacing: -.04em;
        }

        .faq-aside p {
            color: var(--muted);
            margin-top: 12px;
        }

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

        .faq-item {
            border-radius: 22px;
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 20px 22px;
            color: var(--ink);
            font-weight: 950;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 18px;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: "+";
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: grid;
            place-items: center;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 18px;
            line-height: 1;
            flex: 0 0 auto;
            transition: transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
        }

        .faq-item[open] summary::after {
            content: "−";
            background: var(--primary);
            color: #fff;
        }

        .faq-item p {
            padding: 0 22px 20px;
            color: var(--muted);
        }

        .site-footer {
            background: #0f172a;
            color: rgba(255, 255, 255, .78);
            padding: 46px 0 28px;
            margin-top: 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr .8fr .8fr;
            gap: 28px;
            align-items: start;
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            font-weight: 950;
            font-size: 20px;
            letter-spacing: -.03em;
        }

        .footer-brand .brand-mark {
            width: 38px;
            height: 38px;
            box-shadow: none;
        }

        .footer-desc {
            margin-top: 14px;
            max-width: 520px;
            color: rgba(255, 255, 255, .66);
        }

        .footer-col h3 {
            color: #fff;
            font-size: 15px;
            margin-bottom: 12px;
        }

        .footer-col ul {
            list-style: none;
            display: grid;
            gap: 9px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, .66);
            font-size: 14px;
        }

        .footer-col a:hover {
            color: #93c5fd;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 18px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, .10);
            margin-top: 32px;
            padding-top: 20px;
            color: rgba(255, 255, 255, .54);
            font-size: 13px;
        }

        .fixed-bar {
            position: fixed;
            left: 50%;
            bottom: 16px;
            transform: translateX(-50%);
            width: min(calc(100% - 28px), 980px);
            z-index: 60;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 12px 14px 12px 18px;
            border-radius: 999px;
            background: rgba(15, 23, 42, .92);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .12);
            box-shadow: 0 24px 70px rgba(2, 6, 23, .28);
            backdrop-filter: blur(18px);
        }

        .fixed-bar strong {
            font-size: 15px;
            letter-spacing: -.02em;
        }

        .fixed-bar span {
            color: rgba(255, 255, 255, .66);
            font-size: 13px;
            margin-left: 8px;
        }

        .fixed-bar .btn {
            padding: 10px 16px;
            min-width: 130px;
        }

        @media (max-width: 1024px) {
            :root {
                --header-height: 108px;
            }

            .hero-top,
            .countdown-panel,
            .highlights-wall,
            .news-layout,
            .signup-card,
            .faq-grid {
                grid-template-columns: 1fr;
            }

            .proof-panel {
                position: relative;
                top: auto;
            }

            .plans-layout {
                grid-template-columns: 1fr;
            }

            .plan-card.featured {
                transform: none;
            }

            .search-box {
                width: min(360px, 44vw);
            }

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

            .hero-bottom-item {
                border-right: 0;
                border-bottom: 1px solid rgba(219, 228, 240, .85);
            }

            .hero-bottom-item:last-child {
                border-bottom: 0;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-bottom: 112px;
            }

            .container {
                width: min(100% - 28px, var(--container));
            }

            .brand-row {
                min-height: 64px;
            }

            .brand-text span {
                display: none;
            }

            .search-box {
                display: none;
            }

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

            .channel-row {
                display: none;
            }

            .channel-row.is-open {
                display: block;
            }

            .channel-inner {
                align-items: stretch;
                flex-direction: column;
                padding: 12px 0 14px;
            }

            .nav-list {
                width: 100%;
            }

            .nav-link {
                width: 100%;
                justify-content: center;
            }

            .trend-strip {
                width: 100%;
                overflow-x: auto;
                padding-bottom: 2px;
            }

            section {
                padding: 54px 0;
            }

            .hero {
                padding-top: 28px;
            }

            .hero-shell {
                border-radius: 26px;
            }

            .hero-top {
                padding: 24px;
            }

            .hero-points,
            .feature-grid,
            .timer-grid,
            .form-grid {
                grid-template-columns: 1fr;
            }

            .feature-card.wide,
            .form-field.full {
                grid-column: span 1;
            }

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

            .option-score {
                grid-column: 2;
                justify-self: start;
                font-size: 18px;
            }

            .section-head {
                display: block;
            }

            .section-action {
                margin-top: 16px;
            }

            .news-item {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .news-arrow {
                display: none;
            }

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

            .fixed-bar {
                border-radius: 24px;
                align-items: stretch;
                flex-direction: column;
            }

            .fixed-bar span {
                display: block;
                margin-left: 0;
                margin-top: 3px;
            }

            .fixed-bar .btn {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .brand-mark {
                width: 38px;
                height: 38px;
                border-radius: 13px;
            }

            .brand-text strong {
                font-size: 18px;
            }

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

            .timer-card,
            .progress-card,
            .lead-form,
            .faq-aside,
            .recommend-panel,
            .plan-card {
                border-radius: 22px;
                padding: 20px;
            }

            .countdown-panel {
                padding: 14px;
                border-radius: 24px;
            }

            .time-box strong {
                font-size: 22px;
            }

            .section-title {
                font-size: 28px;
            }

            .signup-card {
                border-radius: 26px;
            }
        }