/* roulang page: index */
:root{
            --bg: #0a0c10;
            --bg-soft: #10141b;
            --panel: #121722;
            --panel-2: #151b26;
            --line: rgba(255,255,255,.08);
            --line-strong: rgba(255,255,255,.16);
            --text: #eef2f7;
            --muted: #a8b0bd;
            --muted-2: #7f8897;
            --accent: #ff3b92;
            --accent-2: #c81d70;
            --accent-soft: rgba(255, 59, 146, .12);
            --ok: #36d399;
            --warn: #ffb84d;
            --shadow: 0 18px 50px rgba(0,0,0,.35);
            --shadow-soft: 0 12px 30px rgba(0,0,0,.22);
            --radius: 16px;
            --radius-lg: 24px;
            --radius-sm: 12px;
            --space-1: 6px;
            --space-2: 10px;
            --space-3: 14px;
            --space-4: 18px;
            --space-5: 24px;
            --space-6: 32px;
            --space-7: 44px;
            --space-8: 64px;
            --container: 1240px;
            --header-h: 80px;
            --transition: 200ms ease;
        }

        * { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            background:
                radial-gradient(circle at top left, rgba(255,59,146,.12), transparent 24%),
                radial-gradient(circle at 85% 12%, rgba(65,120,255,.08), transparent 20%),
                linear-gradient(180deg, #090b0f 0%, #0b0d11 100%);
            color: var(--text);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
            line-height: 1.7;
            font-size: 15px;
            text-rendering: optimizeLegibility;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        a:hover { color: #fff; }
        img { max-width: 100%; display: block; }
        button, input, select, textarea {
            font: inherit;
        }
        ::selection {
            background: rgba(255, 59, 146, .28);
            color: #fff;
        }

        .site-shell {
            position: relative;
            min-height: 100vh;
        }

        .container-xx {
            width: min(100% - 32px, var(--container));
            margin: 0 auto;
        }

        .topbar-wrap {
            position: sticky;
            top: 0;
            z-index: 50;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            background: rgba(10,12,16,.78);
            border-bottom: 1px solid var(--line);
        }

        .site-topbar {
            min-height: var(--header-h);
            padding: 12px 0;
        }

        .topbar-grid {
            display: grid;
            grid-template-columns: 220px minmax(0, 1fr) auto;
            gap: 18px;
            align-items: center;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            min-width: 0;
            font-weight: 800;
            letter-spacing: .2px;
        }
        .brand-mark {
            width: 40px;
            height: 40px;
            border-radius: 14px;
            display: grid;
            place-items: center;
            background:
                linear-gradient(135deg, rgba(255,59,146,.96), rgba(200,29,112,.9));
            box-shadow: 0 10px 24px rgba(255,59,146,.24);
            color: #fff;
            flex: 0 0 auto;
        }
        .brand-text {
            display: flex;
            flex-direction: column;
            min-width: 0;
        }
        .brand-text strong {
            font-size: 16px;
            line-height: 1.1;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .brand-text span {
            font-size: 12px;
            color: var(--muted);
            margin-top: 3px;
        }

        .search-box {
            position: relative;
            width: 100%;
        }
        .search-box input {
            width: 100%;
            height: 52px;
            border: 1px solid rgba(255,255,255,.09);
            background: linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.02));
            color: var(--text);
            border-radius: 16px;
            padding: 0 56px 0 48px;
            outline: none;
            box-shadow: inset 0 1px 0 rgba(255,255,255,.02);
            transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
        }
        .search-box input::placeholder { color: #8e96a3; }
        .search-box input:focus {
            border-color: rgba(255,59,146,.68);
            box-shadow: 0 0 0 4px rgba(255,59,146,.12);
            background: rgba(255,255,255,.04);
        }
        .search-icon {
            position: absolute;
            left: 18px;
            top: 50%;
            transform: translateY(-50%);
            color: #c6ceda;
            font-size: 16px;
            pointer-events: none;
        }
        .search-btn {
            position: absolute;
            right: 8px;
            top: 50%;
            transform: translateY(-50%);
            border: 0;
            border-radius: 12px;
            background: var(--accent);
            color: #fff;
            height: 36px;
            padding: 0 16px;
            font-size: 13px;
            font-weight: 700;
            cursor: pointer;
            transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
            box-shadow: 0 10px 18px rgba(255,59,146,.18);
        }
        .search-btn:hover {
            background: #ff5ba1;
            transform: translateY(-50%) translateY(-1px);
        }
        .search-btn:active {
            transform: translateY(-50%) translateY(0);
        }

        .topbar-actions {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }
        .topbar-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 40px;
            padding: 0 14px;
            border-radius: 999px;
            border: 1px solid rgba(255,255,255,.08);
            background: rgba(255,255,255,.02);
            color: #dfe5ee;
            font-size: 13px;
            font-weight: 600;
            transition: transform var(--transition), border-color var(--transition), background var(--transition), color var(--transition);
        }
        .topbar-link:hover, .topbar-link:focus {
            border-color: rgba(255,59,146,.35);
            background: rgba(255,59,146,.10);
            color: #fff;
            transform: translateY(-1px);
        }
        .topbar-link.active {
            background: linear-gradient(135deg, rgba(255,59,146,.95), rgba(200,29,112,.86));
            border-color: transparent;
            box-shadow: 0 10px 24px rgba(255,59,146,.18);
            color: #fff;
        }

        .mobile-search {
            display: none;
        }

        main {
            padding-bottom: 80px;
        }

        .section {
            padding: 44px 0;
        }
        .section-tight {
            padding: 32px 0;
        }

        .section-head {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 18px;
            margin-bottom: 24px;
        }
        .section-head .title-wrap {
            max-width: 820px;
        }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: #ff92c1;
            font-size: 12px;
            font-weight: 800;
            letter-spacing: .14em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .eyebrow::before {
            content: "";
            width: 18px;
            height: 1px;
            background: rgba(255,146,193,.6);
        }
        h1, h2, h3, h4 {
            margin: 0;
            line-height: 1.15;
        }
        h1 {
            font-size: clamp(34px, 5vw, 64px);
            letter-spacing: -.04em;
            font-weight: 900;
        }
        h2 {
            font-size: clamp(24px, 3vw, 38px);
            font-weight: 850;
            letter-spacing: -.03em;
        }
        h3 {
            font-size: 18px;
            font-weight: 780;
            letter-spacing: -.02em;
        }
        .lead {
            margin-top: 16px;
            color: #c8cfda;
            font-size: 16px;
            max-width: 760px;
        }
        .mini-note {
            color: var(--muted);
            font-size: 13px;
        }

        .hero {
            padding-top: 36px;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.15fr .95fr;
            gap: 24px;
            align-items: stretch;
        }
        .hero-panel {
            position: relative;
            background:
                linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025)),
                linear-gradient(135deg, rgba(255,59,146,.08), transparent 30%),
                var(--panel);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .hero-main {
            padding: 34px;
            min-height: 420px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 20px 0 24px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 8px 12px;
            border-radius: 999px;
            border: 1px solid rgba(255,255,255,.08);
            background: rgba(255,255,255,.03);
            color: #d9e0ea;
            font-size: 13px;
            white-space: nowrap;
            transition: transform var(--transition), border-color var(--transition), background var(--transition);
        }
        .tag:hover {
            transform: translateY(-1px);
            border-color: rgba(255,59,146,.28);
            background: rgba(255,59,146,.08);
        }
        .tag i {
            color: #ff7ab4;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 24px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 18px;
            border-radius: 14px;
            border: 1px solid transparent;
            font-weight: 700;
            font-size: 14px;
            cursor: pointer;
            transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), color var(--transition);
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent), var(--accent-2));
            color: #fff;
            box-shadow: 0 14px 26px rgba(255,59,146,.16);
        }
        .btn-primary:hover {
            transform: translateY(-1px);
            box-shadow: 0 18px 30px rgba(255,59,146,.24);
        }
        .btn-ghost {
            background: rgba(255,255,255,.03);
            border-color: rgba(255,255,255,.10);
            color: #e8edf4;
        }
        .btn-ghost:hover {
            transform: translateY(-1px);
            border-color: rgba(255,59,146,.36);
            background: rgba(255,59,146,.08);
            color: #fff;
        }
        .btn-soft {
            background: rgba(255,59,146,.08);
            border-color: rgba(255,59,146,.20);
            color: #ffd2e4;
        }
        .btn-soft:hover {
            background: rgba(255,59,146,.13);
            border-color: rgba(255,59,146,.30);
            color: #fff;
        }

        .hero-stage {
            position: relative;
            min-height: 240px;
            border-radius: 22px;
            background:
                radial-gradient(circle at 20% 20%, rgba(255,59,146,.18), transparent 24%),
                radial-gradient(circle at 80% 35%, rgba(255,184,77,.12), transparent 22%),
                linear-gradient(180deg, #151922, #10141d);
            border: 1px solid rgba(255,255,255,.08);
            overflow: hidden;
            display: grid;
            place-items: center;
            padding: 24px;
        }
        .stage-core {
            width: min(100%, 560px);
            display: grid;
            gap: 14px;
            text-align: center;
        }
        .stage-core .stage-title {
            font-size: 18px;
            font-weight: 800;
            letter-spacing: -.01em;
        }
        .stage-core .stage-sub {
            color: #c3cbda;
            font-size: 14px;
        }
        .stage-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
        }
        .mini-card {
            min-height: 88px;
            border-radius: 16px;
            background: rgba(255,255,255,.04);
            border: 1px solid rgba(255,255,255,.08);
            padding: 14px;
            text-align: left;
        }
        .mini-card strong {
            display: block;
            font-size: 18px;
            margin-bottom: 4px;
        }
        .mini-card span {
            color: var(--muted);
            font-size: 12px;
        }

        .hero-side {
            display: grid;
            gap: 16px;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 14px;
        }
        .stat-card {
            background: linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.02));
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 18px;
            min-height: 122px;
            box-shadow: var(--shadow-soft);
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-2px);
            border-color: rgba(255,59,146,.22);
            box-shadow: 0 16px 28px rgba(0,0,0,.28);
        }
        .stat-num {
            display: block;
            font-size: 26px;
            line-height: 1;
            font-weight: 900;
            letter-spacing: -.04em;
            color: #fff;
            margin-bottom: 10px;
        }
        .stat-label {
            display: block;
            color: #d3dae5;
            font-size: 13px;
            margin-bottom: 6px;
        }
        .stat-desc {
            color: var(--muted);
            font-size: 12px;
            line-height: 1.6;
        }

        .panel {
            background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-soft);
        }
        .panel-inner {
            padding: 22px;
        }

        .chip-row {
            display: flex;
            gap: 10px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: thin;
            padding-bottom: 4px;
        }
        .chip-row .tag {
            flex: 0 0 auto;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: 1.15fr .85fr;
            gap: 20px;
            align-items: stretch;
        }
        .metric-list {
            display: grid;
            gap: 14px;
        }
        .metric-line {
            display: grid;
            grid-template-columns: 120px 1fr 88px;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            border-radius: 14px;
            background: rgba(255,255,255,.03);
            border: 1px solid rgba(255,255,255,.06);
        }
        .metric-line .name {
            color: #e7ecf4;
            font-weight: 700;
        }
        .metric-bar {
            height: 10px;
            background: rgba(255,255,255,.05);
            border-radius: 999px;
            overflow: hidden;
            position: relative;
        }
        .metric-bar > span {
            display: block;
            height: 100%;
            border-radius: inherit;
            background: linear-gradient(90deg, rgba(255,59,146,.95), rgba(255,184,77,.95));
        }
        .metric-value {
            text-align: right;
            color: #fff;
            font-weight: 800;
        }
        .bullet-stack {
            display: grid;
            gap: 12px;
        }
        .bullet-card {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding: 16px;
            border-radius: 16px;
            background: rgba(255,255,255,.03);
            border: 1px solid rgba(255,255,255,.06);
        }
        .bullet-icon {
            width: 38px;
            height: 38px;
            flex: 0 0 auto;
            border-radius: 12px;
            display: grid;
            place-items: center;
            color: #fff;
            background: rgba(255,59,146,.14);
            border: 1px solid rgba(255,59,146,.24);
        }
        .bullet-card strong {
            display: block;
            font-size: 15px;
            margin-bottom: 3px;
        }
        .bullet-card p {
            margin: 0;
            color: var(--muted);
            font-size: 13px;
            line-height: 1.6;
        }

        .matrix-grid {
            display: grid;
            grid-template-columns: 1.25fr .75fr;
            gap: 20px;
        }
        .matrix-main {
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            gap: 18px;
        }
        .feature-card {
            position: relative;
            min-height: 190px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--line);
            background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.02));
            padding: 20px;
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-2px);
            border-color: rgba(255,59,146,.25);
            box-shadow: 0 18px 32px rgba(0,0,0,.26);
        }
        .feature-card.large {
            min-height: 400px;
            background:
                linear-gradient(135deg, rgba(255,59,146,.16), transparent 36%),
                linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
        }
        .feature-card .kicker {
            color: #ff90be;
            font-size: 12px;
            font-weight: 800;
            letter-spacing: .12em;
            text-transform: uppercase;
        }
        .feature-card h3 {
            margin-top: 10px;
            font-size: 22px;
        }
        .feature-card p {
            margin: 12px 0 0;
            color: #c6cfdb;
            font-size: 14px;
            max-width: 34em;
        }
        .feature-card .meta {
            position: absolute;
            left: 20px;
            bottom: 20px;
            right: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .badge-soft {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 11px;
            border-radius: 999px;
            background: rgba(255,255,255,.04);
            border: 1px solid rgba(255,255,255,.08);
            color: #d6dde7;
            font-size: 12px;
            white-space: nowrap;
        }
        .feature-mini-grid {
            display: grid;
            gap: 18px;
        }
        .feature-mini {
            min-height: 115px;
        }

        .compare-grid {
            display: grid;
            grid-template-columns: 1fr .92fr;
            gap: 20px;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            overflow: hidden;
            border-radius: 16px;
        }
        .compare-table thead th {
            text-align: left;
            color: #dce3ed;
            font-size: 13px;
            font-weight: 700;
            padding: 14px 16px;
            background: rgba(255,255,255,.04);
            border-bottom: 1px solid rgba(255,255,255,.06);
        }
        .compare-table tbody td {
            padding: 14px 16px;
            border-bottom: 1px solid rgba(255,255,255,.05);
            color: #dbe2ec;
            vertical-align: top;
            font-size: 13px;
        }
        .compare-table tbody tr:hover td {
            background: rgba(255,255,255,.02);
        }
        .compare-table tbody td strong {
            color: #fff;
        }
        .rank-list {
            display: grid;
            gap: 12px;
        }
        .rank-item {
            display: grid;
            grid-template-columns: 32px 1fr auto;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: 14px;
            background: rgba(255,255,255,.03);
            border: 1px solid rgba(255,255,255,.06);
        }
        .rank-no {
            width: 32px;
            height: 32px;
            border-radius: 10px;
            display: grid;
            place-items: center;
            font-weight: 800;
            color: #fff;
            background: rgba(255,59,146,.18);
            border: 1px solid rgba(255,59,146,.22);
        }
        .rank-item strong {
            display: block;
            margin-bottom: 4px;
            font-size: 14px;
        }
        .rank-item span {
            display: block;
            font-size: 12px;
            color: var(--muted);
        }

        .feed-grid {
            display: grid;
            grid-template-columns: 1.12fr .88fr;
            gap: 20px;
        }
        .feed-list {
            display: grid;
            gap: 14px;
        }
        .feed-item {
            display: grid;
            grid-template-columns: 96px 1fr auto;
            gap: 14px;
            align-items: center;
            padding: 14px 16px;
            border-radius: 16px;
            background: rgba(255,255,255,.03);
            border: 1px solid rgba(255,255,255,.06);
            transition: transform var(--transition), border-color var(--transition);
        }
        .feed-item:hover {
            transform: translateY(-1px);
            border-color: rgba(255,59,146,.24);
        }
        .feed-date {
            color: #ff95c1;
            font-size: 12px;
            font-weight: 800;
            letter-spacing: .08em;
        }
        .feed-item strong {
            display: block;
            font-size: 14px;
            margin-bottom: 4px;
        }
        .feed-item p {
            margin: 0;
            color: var(--muted);
            font-size: 12px;
            line-height: 1.55;
        }
        .feed-arrow {
            color: #d9e0eb;
            font-size: 16px;
        }
        .feed-side {
            display: grid;
            gap: 14px;
        }
        .side-box {
            padding: 18px;
            border-radius: 16px;
            background: rgba(255,255,255,.03);
            border: 1px solid rgba(255,255,255,.06);
        }
        .side-box h3 {
            margin-bottom: 10px;
        }
        .side-box ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 10px;
        }
        .side-box li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: #d9e0eb;
            font-size: 13px;
        }
        .side-box li i {
            color: #ff7ab4;
            margin-top: 4px;
        }

        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .guide-card {
            padding: 20px;
            border-radius: 18px;
            background: rgba(255,255,255,.03);
            border: 1px solid rgba(255,255,255,.06);
            transition: transform var(--transition), border-color var(--transition);
            min-height: 170px;
        }
        .guide-card:hover {
            transform: translateY(-2px);
            border-color: rgba(255,59,146,.26);
        }
        .guide-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 12px;
            margin-bottom: 14px;
            background: rgba(255,59,146,.12);
            border: 1px solid rgba(255,59,146,.18);
            color: #fff;
            font-weight: 800;
        }
        .guide-card p {
            color: var(--muted);
            font-size: 13px;
            margin: 10px 0 0;
        }

        .content-grid {
            display: grid;
            grid-template-columns: 1.08fr .92fr;
            gap: 20px;
            align-items: start;
        }
        .content-list {
            display: grid;
            gap: 12px;
        }
        .content-row {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 12px;
            align-items: center;
            padding: 16px;
            border-radius: 16px;
            background: rgba(255,255,255,.03);
            border: 1px solid rgba(255,255,255,.06);
        }
        .content-row strong {
            display: block;
            font-size: 14px;
            margin-bottom: 4px;
        }
        .content-row p {
            margin: 0;
            color: var(--muted);
            font-size: 12px;
            line-height: 1.55;
        }
        .content-row .mini-btn {
            height: 38px;
            padding: 0 14px;
            border-radius: 12px;
            border: 1px solid rgba(255,255,255,.08);
            background: rgba(255,255,255,.03);
            color: #e9eef5;
            font-weight: 700;
            font-size: 13px;
        }
        .content-row .mini-btn:hover {
            border-color: rgba(255,59,146,.24);
            background: rgba(255,59,146,.08);
        }

        .accordion-wrap {
            background: transparent;
            border: 0;
            margin: 0;
        }
        .accordion-title {
            font-weight: 700;
            color: #eef3fb;
            background: rgba(255,255,255,.03);
            border: 1px solid rgba(255,255,255,.06);
            border-radius: 14px;
            margin-bottom: 10px;
            padding: 16px 18px;
            transition: border-color var(--transition), background var(--transition);
        }
        .accordion-title:hover {
            border-color: rgba(255,59,146,.22);
            background: rgba(255,59,146,.06);
        }
        .accordion-title::before {
            color: #ff7ab4;
            margin-right: 12px;
            content: "\f067";
            font: var(--fa-font-solid);
        }
        .is-active > .accordion-title::before {
            content: "\f068";
        }
        .accordion-content {
            color: #c8cfda;
            background: rgba(255,255,255,.02);
            border: 1px solid rgba(255,255,255,.05);
            border-top: 0;
            border-radius: 0 0 14px 14px;
            margin-top: -10px;
            padding: 18px 18px 20px;
        }
        .accordion-content p {
            margin: 0;
            font-size: 14px;
            line-height: 1.8;
        }

        .form-wrap {
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            gap: 20px;
            align-items: stretch;
        }
        .form-box {
            padding: 22px;
            border-radius: var(--radius-lg);
            background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
            border: 1px solid var(--line);
        }
        .inline-form {
            display: grid;
            grid-template-columns: 1.1fr .85fr .85fr auto;
            gap: 12px;
            align-items: center;
        }
        .field {
            position: relative;
        }
        .field input, .field select {
            width: 100%;
            height: 50px;
            border-radius: 14px;
            border: 1px solid rgba(255,255,255,.08);
            background: rgba(255,255,255,.03);
            color: var(--text);
            padding: 0 14px;
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
        }
        .field input::placeholder { color: #8e96a3; }
        .field input:focus, .field select:focus {
            border-color: rgba(255,59,146,.65);
            box-shadow: 0 0 0 4px rgba(255,59,146,.12);
            background: rgba(255,255,255,.05);
        }
        .form-note {
            margin-top: 12px;
            color: var(--muted);
            font-size: 12px;
        }
        .form-aside {
            display: grid;
            gap: 14px;
        }
        .notice {
            padding: 18px;
            border-radius: 16px;
            background: rgba(255,59,146,.08);
            border: 1px solid rgba(255,59,146,.18);
            color: #f5d9e6;
        }
        .notice strong {
            display: block;
            margin-bottom: 6px;
            color: #fff;
        }
        .notice p {
            margin: 0;
            font-size: 13px;
            line-height: 1.7;
        }

        .cta-band {
            margin-top: 8px;
            padding: 26px 22px;
            border-radius: var(--radius-lg);
            background:
                linear-gradient(135deg, rgba(255,59,146,.14), rgba(255,59,146,.04) 45%, rgba(255,255,255,.02)),
                rgba(255,255,255,.03);
            border: 1px solid rgba(255,59,146,.18);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
        }
        .cta-band p {
            margin: 8px 0 0;
            color: #d7dee8;
            max-width: 760px;
        }

        .footer {
            border-top: 1px solid var(--line);
            background: rgba(5,7,10,.55);
            padding: 38px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr .8fr .8fr;
            gap: 22px;
            align-items: start;
        }
        .footer h4 {
            font-size: 15px;
            margin-bottom: 14px;
            font-weight: 800;
        }
        .footer p, .footer li {
            color: var(--muted);
            font-size: 13px;
            line-height: 1.8;
        }
        .footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 10px;
        }
        .footer a:hover {
            color: #fff;
        }
        .footer-bottom {
            margin-top: 24px;
            padding-top: 16px;
            border-top: 1px solid rgba(255,255,255,.06);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            color: var(--muted-2);
            font-size: 12px;
        }

        .subtle-link {
            color: #dce2ec;
            border-bottom: 1px solid transparent;
        }
        .subtle-link:hover {
            border-color: rgba(255,59,146,.35);
        }

        .section-hr {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,.12), transparent);
            margin: 0;
            border: 0;
        }

        .label-stack {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .search-strip {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }

        .inline-kpi {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
        }
        .inline-kpi .kpi {
            padding: 16px;
            border-radius: 16px;
            background: rgba(255,255,255,.03);
            border: 1px solid rgba(255,255,255,.06);
        }
        .inline-kpi .kpi strong {
            display: block;
            font-size: 20px;
            margin-bottom: 4px;
        }
        .inline-kpi .kpi span {
            color: var(--muted);
            font-size: 12px;
        }

        .hide-on-desktop { display: none; }

        .focus-ring:focus {
            outline: none;
            box-shadow: 0 0 0 4px rgba(255,59,146,.14);
        }

        @media (max-width: 1199px) {
            .topbar-grid {
                grid-template-columns: 180px minmax(0, 1fr);
            }
            .topbar-actions {
                grid-column: 1 / -1;
                justify-content: flex-start;
            }
            .hero-grid,
            .metrics-grid,
            .matrix-grid,
            .compare-grid,
            .feed-grid,
            .content-grid,
            .form-wrap {
                grid-template-columns: 1fr;
            }
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .inline-form {
                grid-template-columns: 1fr 1fr;
            }
            .inline-form .btn {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 767px) {
            :root { --header-h: auto; }
            .topbar-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .brand {
                justify-self: start;
            }
            .desktop-search, .desktop-actions {
                display: none;
            }
            .mobile-search {
                display: block;
                padding: 0 0 12px;
            }
            .mobile-search .search-box input {
                height: 48px;
            }
            .mobile-nav {
                display: flex;
                gap: 10px;
                overflow-x: auto;
                padding-bottom: 4px;
            }
            .mobile-nav .topbar-link {
                flex: 0 0 auto;
            }
            .hero-main {
                padding: 22px;
                min-height: auto;
            }
            .stage-row,
            .stat-grid,
            .inline-kpi,
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 34px 0;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
            }
            .feed-item {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .rank-item {
                grid-template-columns: 28px 1fr;
            }
            .rank-item .rank-meta {
                grid-column: 2;
            }
            .cta-band {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 519px) {
            .container-xx {
                width: min(100% - 22px, var(--container));
            }
            .hero-main {
                padding: 18px;
            }
            .search-box input {
                padding-left: 44px;
                padding-right: 88px;
            }
            .search-btn {
                padding: 0 12px;
                font-size: 12px;
            }
            h1 {
                font-size: 31px;
            }
            .feature-card.large {
                min-height: 320px;
            }
            .feature-card h3 {
                font-size: 20px;
            }
            .content-row {
                grid-template-columns: 1fr;
            }
            .content-row .mini-btn {
                justify-self: start;
            }
        }

/* roulang page: category2 */
:root{
      --bg:#0b0d10;
      --bg-soft:#11141b;
      --surface:#141922;
      --surface-2:#171d27;
      --surface-3:#1b2230;
      --line:#262d3a;
      --line-soft:#202632;
      --text:#f4f6fb;
      --muted:#9aa4b4;
      --soft:#768196;
      --accent:#ff3d8d;
      --accent-2:#ff6ca8;
      --accent-soft:rgba(255,61,141,.14);
      --shadow:0 18px 40px rgba(0,0,0,.26);
      --shadow-soft:0 12px 24px rgba(0,0,0,.18);
      --radius:18px;
      --radius-sm:12px;
      --radius-xs:10px;
      --space:clamp(16px,2vw,24px);
      --container:1200px;
      --trans:180ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      background:
        radial-gradient(1200px 500px at 12% -10%, rgba(255,61,141,.14), transparent 56%),
        radial-gradient(800px 360px at 95% 3%, rgba(126,92,255,.10), transparent 45%),
        linear-gradient(180deg, #0a0c10 0%, #0b0d10 100%);
      color:var(--text);
      font-family:Inter,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      line-height:1.7;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    body::before,
    body::after{
      content:"";
      position:fixed;
      inset:auto;
      pointer-events:none;
      z-index:-1;
      border-radius:50%;
      filter:blur(18px);
      opacity:.55;
    }
    body::before{
      width:240px;height:240px;
      left:-90px;top:240px;
      background:rgba(255,61,141,.08);
    }
    body::after{
      width:300px;height:300px;
      right:-140px;top:680px;
      background:rgba(255,109,166,.05);
    }
    a{
      color:inherit;
      text-decoration:none;
      transition:color var(--trans), background var(--trans), border-color var(--trans), transform var(--trans), opacity var(--trans), box-shadow var(--trans);
    }
    a:hover{color:var(--text)}
    img{max-width:100%;display:block}
    button,input,select,textarea{
      font:inherit;
      color:inherit;
      outline:none;
    }
    ::selection{
      background:rgba(255,61,141,.28);
      color:#fff;
    }
    .container-xx{
      width:min(var(--container), calc(100% - 2rem));
      margin-inline:auto;
    }
    .topbar-wrap{
      position:sticky;
      top:0;
      z-index:90;
      background:rgba(10,12,16,.95);
      backdrop-filter:none;
      border-bottom:1px solid rgba(255,255,255,.05);
    }
    .site-topbar{
      padding:14px 0 12px;
    }
    .topbar-grid{
      display:grid;
      grid-template-columns:minmax(220px, 280px) minmax(0, 1fr) auto;
      gap:14px;
      align-items:center;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;height:42px;
      display:grid;
      place-items:center;
      border-radius:14px;
      background:linear-gradient(180deg, rgba(255,61,141,.18), rgba(255,61,141,.08));
      border:1px solid rgba(255,61,141,.26);
      color:#fff;
      box-shadow:0 10px 24px rgba(255,61,141,.10);
      flex:0 0 auto;
    }
    .brand-mark i{font-size:.95rem}
    .brand-text{
      display:flex;
      flex-direction:column;
      gap:2px;
      min-width:0;
    }
    .brand-text strong{
      font-size:1.02rem;
      line-height:1.15;
      letter-spacing:.2px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-text span{
      font-size:.78rem;
      color:var(--muted);
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .focus-ring:focus-visible,
    .topbar-link:focus-visible,
    .search-box input:focus-visible,
    .search-box select:focus-visible,
    .button:focus-visible,
    .tag:focus-visible{
      box-shadow:0 0 0 3px rgba(255,61,141,.22);
      outline:none;
    }
    .search-box{
      display:flex;
      align-items:center;
      gap:10px;
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:999px;
      padding:8px 10px 8px 14px;
      box-shadow:var(--shadow-soft);
      min-width:0;
    }
    .search-box:focus-within{
      border-color:rgba(255,61,141,.5);
      box-shadow:0 0 0 3px rgba(255,61,141,.12), var(--shadow-soft);
    }
    .search-icon{
      color:var(--accent);
      font-size:.95rem;
      flex:0 0 auto;
    }
    .search-box input,
    .search-box select{
      background:transparent;
      border:0;
      box-shadow:none;
      margin:0;
      color:var(--text);
      min-width:0;
    }
    .search-box input{
      flex:1 1 auto;
      height:40px;
      padding:0;
      font-size:.95rem;
    }
    .search-box input::placeholder{color:#7f8999}
    .search-box select{
      flex:0 0 132px;
      padding-right:28px;
      color:var(--soft);
      font-size:.9rem;
      cursor:pointer;
      background-image:linear-gradient(45deg, transparent 50%, var(--soft) 50%), linear-gradient(135deg, var(--soft) 50%, transparent 50%);
      background-position:calc(100% - 16px) 18px, calc(100% - 10px) 18px;
      background-size:6px 6px, 6px 6px;
      background-repeat:no-repeat;
    }
    .search-btn,
    .button{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      height:42px;
      padding:0 16px;
      border-radius:999px;
      border:1px solid transparent;
      cursor:pointer;
      font-weight:700;
      letter-spacing:.2px;
      transition:transform var(--trans), background var(--trans), border-color var(--trans), color var(--trans), box-shadow var(--trans), opacity var(--trans);
      white-space:nowrap;
    }
    .search-btn{
      background:var(--accent);
      color:#fff;
      box-shadow:0 12px 24px rgba(255,61,141,.20);
    }
    .search-btn:hover,
    .button.primary:hover{
      transform:translateY(-1px);
      box-shadow:0 14px 28px rgba(255,61,141,.25);
    }
    .topbar-actions{
      display:flex;
      align-items:center;
      gap:8px;
      justify-content:flex-end;
      flex-wrap:wrap;
    }
    .topbar-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      height:40px;
      padding:0 14px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      background:transparent;
      font-size:.92rem;
    }
    .topbar-link:hover{
      color:#fff;
      background:rgba(255,255,255,.03);
      border-color:rgba(255,255,255,.05);
      transform:translateY(-1px);
    }
    .topbar-link.active{
      color:#fff;
      background:rgba(255,61,141,.12);
      border-color:rgba(255,61,141,.26);
    }
    .mobile-search,
    .mobile-nav{
      display:none;
    }

    main{display:block}
    .hero{
      padding:30px 0 20px;
    }
    .hero-shell{
      display:grid;
      grid-template-columns:minmax(0, 1.1fr) minmax(330px, .9fr);
      gap:22px;
      align-items:stretch;
    }
    .hero-copy,
    .hero-panel,
    .strip-card,
    .matrix-card,
    .compare-panel,
    .faq-panel,
    .form-panel{
      background:linear-gradient(180deg, rgba(255,255,255,.015), rgba(255,255,255,.01));
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
    }
    .hero-copy{
      padding:28px;
      position:relative;
      overflow:hidden;
    }
    .hero-copy::after{
      content:"";
      position:absolute;
      inset:auto -80px -90px auto;
      width:260px;height:260px;
      background:radial-gradient(circle at center, rgba(255,61,141,.14), transparent 62%);
      pointer-events:none;
    }
    .hero-badge,
    .section-kicker,
    .mini-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,61,141,.10);
      border:1px solid rgba(255,61,141,.22);
      color:#ffd7e7;
      font-size:.78rem;
      letter-spacing:.35px;
    }
    .badge-dot{
      width:8px;height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(255,61,141,.12);
    }
    .hero h1{
      margin:16px 0 12px;
      font-size:clamp(2rem, 4.6vw, 3.65rem);
      line-height:1.08;
      letter-spacing:-.02em;
      text-wrap:balance;
    }
    .hero-summary{
      max-width:56ch;
      margin:0 0 18px;
      color:var(--muted);
      font-size:1rem;
      line-height:1.85;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:14px 0 18px;
    }
    .button.primary{
      background:var(--accent);
      color:#fff;
      border-color:rgba(255,61,141,.32);
    }
    .button.ghost{
      background:transparent;
      color:var(--text);
      border-color:var(--line);
    }
    .button.ghost:hover{
      border-color:rgba(255,61,141,.26);
      background:rgba(255,61,141,.08);
      transform:translateY(-1px);
    }
    .hero-tags{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:8px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:36px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.02);
      color:#d9deea;
      font-size:.88rem;
      white-space:nowrap;
    }
    .tag:hover{
      border-color:rgba(255,61,141,.26);
      background:rgba(255,61,141,.07);
      transform:translateY(-1px);
    }
    .tag small{
      color:var(--soft);
      font-size:.8em;
    }
    .hero-search-box{
      margin-top:16px;
      padding:14px;
      border-radius:20px;
      background:rgba(255,255,255,.015);
      border:1px solid var(--line-soft);
    }
    .hero-search-box .search-grid{
      display:grid;
      grid-template-columns:1.35fr .82fr .82fr auto;
      gap:10px;
      align-items:end;
    }
    .field{
      display:flex;
      flex-direction:column;
      gap:8px;
      min-width:0;
    }
    .field label{
      font-size:.82rem;
      color:var(--soft);
      letter-spacing:.2px;
    }
    .field input,
    .field select{
      width:100%;
      height:46px;
      border-radius:14px;
      border:1px solid var(--line);
      background:var(--bg-soft);
      padding:0 14px;
      color:var(--text);
      transition:border-color var(--trans), box-shadow var(--trans), background var(--trans);
    }
    .field input::placeholder{color:#768196}
    .field input:focus,
    .field select:focus{
      border-color:rgba(255,61,141,.46);
      box-shadow:0 0 0 3px rgba(255,61,141,.12);
      background:#131823;
    }
    .field .button{
      height:46px;
      width:100%;
      border-radius:14px;
    }
    .hero-note{
      margin-top:12px;
      font-size:.84rem;
      color:#92a0b5;
      display:flex;
      align-items:center;
      gap:8px;
    }
    .hero-panel{
      padding:18px;
      display:grid;
      gap:14px;
      align-content:start;
    }
    .panel-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:12px;
      padding-bottom:6px;
    }
    .panel-head strong{
      font-size:1rem;
      letter-spacing:.2px;
    }
    .panel-head span{
      color:var(--soft);
      font-size:.82rem;
    }
    .signal-card{
      padding:16px;
      background:linear-gradient(180deg, rgba(255,61,141,.08), rgba(255,61,141,.03));
      border:1px solid rgba(255,61,141,.16);
      border-radius:16px;
    }
    .signal-card h3{
      margin:0 0 6px;
      font-size:1.08rem;
      line-height:1.35;
    }
    .signal-card p{
      margin:0;
      color:var(--muted);
      font-size:.93rem;
      line-height:1.75;
    }
    .metric-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:10px;
    }
    .metric-card{
      padding:14px;
      border-radius:16px;
      background:var(--surface-2);
      border:1px solid var(--line);
      min-height:104px;
    }
    .metric-card i{
      color:var(--accent);
      margin-bottom:10px;
      font-size:.96rem;
    }
    .metric-value{
      font-size:1.38rem;
      line-height:1.1;
      font-weight:800;
      letter-spacing:-.02em;
      margin-bottom:6px;
    }
    .metric-label{
      font-size:.86rem;
      color:#dde2ee;
      margin-bottom:6px;
    }
    .metric-note{
      color:var(--muted);
      font-size:.82rem;
      line-height:1.5;
    }
    .progress-stack{
      display:grid;
      gap:10px;
      margin-top:4px;
    }
    .progress-row{
      display:grid;
      gap:8px;
    }
    .progress-row .row-head{
      display:flex;
      justify-content:space-between;
      gap:12px;
      color:#dce2ef;
      font-size:.86rem;
    }
    .bar{
      height:8px;
      border-radius:999px;
      background:#202737;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.03);
    }
    .bar span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, var(--accent), var(--accent-2));
    }

    .section{
      padding:18px 0 0;
    }
    .section-inner{
      padding:0 0 12px;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:16px;
      margin-bottom:16px;
      flex-wrap:wrap;
    }
    .section-title{
      margin:0;
      font-size:clamp(1.35rem, 2vw, 1.95rem);
      line-height:1.2;
      letter-spacing:-.02em;
    }
    .section-lead{
      margin:8px 0 0;
      color:var(--muted);
      max-width:64ch;
      font-size:.96rem;
      line-height:1.8;
    }
    .overview-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:14px;
    }
    .strip-card{
      padding:18px;
      min-height:146px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      position:relative;
      overflow:hidden;
      transition:transform var(--trans), border-color var(--trans), box-shadow var(--trans);
    }
    .strip-card:hover,
    .matrix-card:hover,
    .compare-panel:hover,
    .faq-panel:hover,
    .form-panel:hover{
      transform:translateY(-2px);
      border-color:rgba(255,61,141,.22);
      box-shadow:0 16px 34px rgba(0,0,0,.25);
    }
    .strip-card .icon{
      width:42px;height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:rgba(255,61,141,.08);
      border:1px solid rgba(255,61,141,.16);
      color:var(--accent);
      margin-bottom:12px;
    }
    .strip-card strong{
      font-size:1.36rem;
      line-height:1.1;
      display:block;
      margin-bottom:6px;
    }
    .strip-card span{
      color:var(--muted);
      font-size:.89rem;
      line-height:1.6;
    }
    .strip-card small{
      display:inline-flex;
      margin-top:12px;
      color:#d8deea;
      font-size:.82rem;
    }
    .matrix-grid{
      display:grid;
      grid-template-columns:minmax(0,1.35fr) minmax(0,.95fr);
      gap:14px;
    }
    .matrix-card{
      padding:20px;
      border-radius:var(--radius);
      border:1px solid var(--line);
      background:var(--surface);
      transition:transform var(--trans), border-color var(--trans), box-shadow var(--trans);
    }
    .matrix-card.large{
      min-height:100%;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:18px;
    }
    .matrix-head{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:flex-start;
      margin-bottom:8px;
    }
    .matrix-head h3{
      margin:0;
      font-size:1.24rem;
      line-height:1.3;
    }
    .matrix-head p{
      margin:8px 0 0;
      color:var(--muted);
      line-height:1.8;
      max-width:54ch;
      font-size:.95rem;
    }
    .chip-row{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      margin:12px 0 0;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      padding:6px 10px;
      border-radius:999px;
      border:1px solid var(--line);
      color:#dfe4ef;
      background:rgba(255,255,255,.02);
      font-size:.82rem;
    }
    .matrix-cta{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:8px;
    }
    .matrix-cta .button{
      height:40px;
      padding:0 14px;
    }
    .mini-stack{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:14px;
    }
    .mini-card{
      padding:18px;
      min-height:186px;
      border-radius:var(--radius);
      border:1px solid var(--line);
      background:var(--surface-2);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      transition:transform var(--trans), border-color var(--trans), box-shadow var(--trans);
    }
    .mini-card .mini-top{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:flex-start;
    }
    .mini-card .mini-ico{
      width:38px;height:38px;
      border-radius:12px;
      display:grid;
      place-items:center;
      background:rgba(255,61,141,.10);
      color:var(--accent);
      border:1px solid rgba(255,61,141,.16);
    }
    .mini-card h4{
      margin:0 0 8px;
      font-size:1.02rem;
      line-height:1.35;
    }
    .mini-card p{
      margin:0;
      color:var(--muted);
      font-size:.89rem;
      line-height:1.75;
    }
    .mini-card .mini-footer{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:10px;
      margin-top:14px;
    }
    .mini-card .mini-link{
      color:#fff;
      font-size:.88rem;
      font-weight:700;
    }
    .mini-card .mini-link:hover{color:var(--accent-2)}
    .mini-card .mini-tag{
      color:#c9d0df;
      font-size:.8rem;
    }

    .compare-wrap{
      display:grid;
      gap:14px;
    }
    .compare-panel{
      padding:20px;
      border-radius:var(--radius);
      border:1px solid var(--line);
      background:var(--surface);
      overflow:hidden;
      transition:transform var(--trans), border-color var(--trans), box-shadow var(--trans);
    }
    .compare-head{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:flex-start;
      margin-bottom:14px;
    }
    .compare-head h3{
      margin:0;
      font-size:1.24rem;
      line-height:1.3;
    }
    .compare-head p{
      margin:8px 0 0;
      color:var(--muted);
      line-height:1.8;
      font-size:.95rem;
      max-width:62ch;
    }
    .table-wrap{
      overflow:auto;
      border-radius:16px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.015);
    }
    table.compare-table{
      width:100%;
      min-width:760px;
      border-collapse:collapse;
      background:transparent;
    }
    .compare-table th,
    .compare-table td{
      padding:16px 14px;
      border-bottom:1px solid rgba(255,255,255,.05);
      text-align:left;
      vertical-align:top;
      font-size:.92rem;
    }
    .compare-table th{
      background:rgba(255,255,255,.02);
      color:#edf1f8;
      font-size:.86rem;
      letter-spacing:.18px;
    }
    .compare-table tbody tr:hover td{
      background:rgba(255,61,141,.03);
    }
    .compare-label{
      color:#dfe4ef;
      white-space:nowrap;
      font-weight:700;
    }
    .compare-tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      border:1px solid rgba(255,61,141,.18);
      background:rgba(255,61,141,.08);
      color:#ffe0ed;
      font-size:.8rem;
      margin-bottom:8px;
    }
    .compare-summary{
      margin-top:12px;
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .compare-summary .tag{
      border-color:rgba(255,255,255,.08);
      background:rgba(255,255,255,.02);
    }

    .faq-wrap{
      display:grid;
      gap:14px;
    }
    .faq-panel{
      padding:20px;
      border-radius:var(--radius);
      border:1px solid var(--line);
      background:var(--surface);
      transition:transform var(--trans), border-color var(--trans), box-shadow var(--trans);
    }
    .faq-panel .section-head{margin-bottom:14px}
    .accordion.faq-accordion{
      background:transparent;
      margin:0;
      border:0;
    }
    .accordion-item{
      background:transparent;
      border:0;
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .accordion-item:last-child{border-bottom:0}
    .accordion-title{
      position:relative;
      padding:18px 6px 18px 0;
      color:#f2f5fb;
      font-size:1rem;
      line-height:1.45;
      background:transparent;
      border:0;
    }
    .accordion-title::before,
    .accordion-title::after{display:none}
    .accordion-title .faq-arrow{
      position:absolute;
      right:4px;
      top:50%;
      transform:translateY(-50%);
      color:var(--accent);
      transition:transform var(--trans);
    }
    .accordion-item.is-active .faq-arrow{
      transform:translateY(-50%) rotate(180deg);
    }
    .accordion-content{
      padding:0 0 18px;
      color:var(--muted);
      border:0;
      background:transparent;
      line-height:1.85;
      font-size:.95rem;
    }

    .form-panel{
      padding:20px;
      border-radius:var(--radius);
      border:1px solid var(--line);
      background:linear-gradient(180deg, rgba(255,61,141,.05), rgba(255,255,255,.01));
      transition:transform var(--trans), border-color var(--trans), box-shadow var(--trans);
    }
    .form-head{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:flex-end;
      margin-bottom:16px;
      flex-wrap:wrap;
    }
    .form-head h3{
      margin:0;
      font-size:1.2rem;
      line-height:1.3;
    }
    .form-head p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:.95rem;
      line-height:1.8;
      max-width:60ch;
    }
    .inline-form{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr auto;
      gap:10px;
      align-items:end;
    }
    .inline-form .field label{
      margin-left:2px;
    }
    .inline-form .button{
      min-width:140px;
    }
    .form-note{
      margin-top:12px;
      color:#8f99ab;
      font-size:.84rem;
    }

    .footer{
      margin-top:34px;
      padding:30px 0 18px;
      border-top:1px solid rgba(255,255,255,.05);
      background:rgba(0,0,0,.16);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .7fr .7fr;
      gap:18px;
    }
    .footer h4{
      margin:0 0 12px;
      font-size:1rem;
      line-height:1.3;
    }
    .footer p{
      margin:0;
      color:var(--muted);
      line-height:1.9;
      font-size:.92rem;
    }
    .footer ul{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer a{
      color:#d7dceb;
      font-size:.92rem;
    }
    .footer a:hover{color:#fff}
    .footer-bottom{
      margin-top:20px;
      padding-top:14px;
      display:flex;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      color:#8090a5;
      font-size:.84rem;
      border-top:1px solid rgba(255,255,255,.05);
    }

    @media (max-width: 1199px){
      .topbar-grid{grid-template-columns:minmax(220px, 260px) minmax(0, 1fr)}
      .topbar-actions{grid-column:1 / -1; justify-content:flex-start}
      .hero-shell{grid-template-columns:1fr}
    }
    @media (max-width: 1023px){
      .overview-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
      .matrix-grid{grid-template-columns:1fr}
      .mini-stack{grid-template-columns:repeat(2, minmax(0,1fr))}
      .inline-form{grid-template-columns:1fr 1fr}
      .inline-form .button{grid-column:1 / -1}
    }
    @media (max-width: 767px){
      .site-topbar{padding:12px 0 10px}
      .topbar-grid{
        grid-template-columns:1fr;
        gap:10px;
      }
      .desktop-search,
      .desktop-actions{display:none}
      .mobile-search,
      .mobile-nav{display:block}
      .mobile-search .search-box{
        width:100%;
      }
      .mobile-search .search-box input{
        flex:1 1 auto;
        min-width:0;
      }
      .mobile-search .search-box select{display:none}
      .mobile-nav{
        display:flex;
        gap:8px;
        overflow:auto;
        padding-bottom:2px;
        margin-top:10px;
        -webkit-overflow-scrolling:touch;
      }
      .mobile-nav .topbar-link{flex:0 0 auto}
      .hero{padding-top:18px}
      .hero-copy{padding:22px}
      .hero-search-box{padding:12px}
      .hero-search-box .search-grid,
      .inline-form{
        grid-template-columns:1fr;
      }
      .hero-search-box .field .button{width:100%}
      .overview-grid{grid-template-columns:1fr}
      .mini-stack{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column}
      .section{padding-top:12px}
    }
    @media (max-width: 520px){
      .container-xx{width:min(var(--container), calc(100% - 1rem))}
      .hero h1{font-size:clamp(1.8rem, 9vw, 2.6rem)}
      .brand-text strong{font-size:.98rem}
      .brand-mark{width:40px;height:40px}
      .hero-actions{gap:8px}
      .button,.search-btn{width:100%}
      .hero-actions .button{width:calc(50% - 4px)}
      .hero-actions .button:last-child{width:100%}
      .compare-table th,
      .compare-table td{padding:13px 12px}
    }

/* roulang page: category1 */
:root{
  --bg:#0d0d10;
  --bg-2:#121217;
  --panel:#18181e;
  --panel-2:#1f1f27;
  --panel-3:#101014;
  --text:#f5f5f7;
  --muted:#a9a9b3;
  --weak:#777783;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --accent:#ff3d6e;
  --accent-2:#ff7a45;
  --accent-soft:rgba(255,61,110,.14);
  --good:#61e5a1;
  --warn:#ffcf66;
  --radius-xs:8px;
  --radius-sm:12px;
  --radius-md:16px;
  --radius-lg:24px;
  --shadow:0 20px 60px rgba(0,0,0,.28);
  --shadow-soft:0 14px 38px rgba(0,0,0,.20);
  --container:1180px;
  --ease:180ms ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  background:
    radial-gradient(circle at 12% 5%, rgba(255,61,110,.12), transparent 28%),
    radial-gradient(circle at 88% 10%, rgba(255,122,69,.08), transparent 30%),
    linear-gradient(180deg,#0a0a0c 0%, var(--bg) 48%, #09090b 100%);
  color:var(--text);
  line-height:1.7;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease),box-shadow var(--ease)}
a:hover{color:#fff}
img{max-width:100%;display:block}
button,input,select{font:inherit}
button{cursor:pointer}
::selection{background:var(--accent);color:#fff}
.container-xx{
  width:min(var(--container), calc(100% - 40px));
  margin:0 auto;
}
.focus-ring:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible{
  outline:2px solid rgba(255,61,110,.85);
  outline-offset:3px;
}
.topbar-wrap{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(10,10,12,.86);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.site-topbar{padding:14px 0 12px}
.topbar-grid{
  display:grid;
  grid-template-columns:260px minmax(320px,1fr) auto;
  align-items:center;
  gap:18px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:0;
}
.brand-mark{
  width:42px;
  height:42px;
  border-radius:14px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff;
  box-shadow:0 10px 26px rgba(255,61,110,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-text strong{
  font-size:16px;
  letter-spacing:-.2px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.brand-text span{
  margin-top:5px;
  color:var(--muted);
  font-size:12px;
}
.search-box{
  height:48px;
  display:flex;
  align-items:center;
  gap:10px;
  padding:0 7px 0 16px;
  border:1px solid var(--line-strong);
  border-radius:999px;
  background:rgba(255,255,255,.055);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
  transition:border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.search-box:focus-within{
  border-color:rgba(255,61,110,.76);
  background:rgba(255,255,255,.075);
  box-shadow:0 0 0 4px rgba(255,61,110,.10);
}
.search-icon{color:var(--muted);font-size:15px}
.search-box input{
  flex:1;
  min-width:0;
  height:100%;
  border:0;
  outline:0;
  background:transparent;
  color:var(--text);
  padding:0;
}
.search-box input::placeholder{color:#7d7d88}
.search-btn{
  height:36px;
  padding:0 18px;
  border:0;
  border-radius:999px;
  background:var(--text);
  color:#111114;
  font-weight:700;
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease);
}
.search-btn:hover{transform:translateY(-1px);background:#fff;box-shadow:0 8px 22px rgba(255,255,255,.12)}
.topbar-actions{
  display:flex;
  align-items:center;
  gap:8px;
  white-space:nowrap;
}
.topbar-link{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 12px;
  border:1px solid transparent;
  border-radius:999px;
  color:var(--muted);
  font-size:14px;
}
.topbar-link:hover{border-color:var(--line-strong);background:rgba(255,255,255,.05);color:#fff}
.topbar-link.active{
  color:#fff;
  border-color:rgba(255,61,110,.42);
  background:var(--accent-soft);
}
.mobile-search{display:none;margin-top:12px}
.hide-on-desktop{display:none}
.section{padding:74px 0}
.section-tight{padding:52px 0}
.section-head{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:26px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:#ffd0da;
  font-size:13px;
  letter-spacing:.08em;
  text-transform:uppercase;
  margin-bottom:10px;
}
.eyebrow:before{
  content:"";
  width:22px;
  height:1px;
  background:var(--accent);
}
h1,h2,h3,h4,p{margin-top:0}
h1{
  font-size:clamp(34px,5vw,64px);
  line-height:1.05;
  letter-spacing:-1.8px;
  margin-bottom:18px;
}
h2{
  font-size:clamp(25px,3vw,38px);
  line-height:1.15;
  letter-spacing:-.9px;
  margin-bottom:10px;
}
h3{font-size:20px;line-height:1.25;margin-bottom:8px}
p{color:var(--muted)}
.lead{
  font-size:17px;
  color:#d5d5dc;
  max-width:760px;
}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:44px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  color:#fff;
  font-weight:700;
  background:rgba(255,255,255,.06);
  transition:transform var(--ease),border-color var(--ease),background var(--ease),box-shadow var(--ease),color var(--ease);
}
.btn:hover{transform:translateY(-1px);border-color:rgba(255,255,255,.30);background:rgba(255,255,255,.10);color:#fff}
.btn-primary{
  border-color:transparent;
  background:var(--accent);
  color:#fff;
  box-shadow:0 14px 34px rgba(255,61,110,.22);
}
.btn-primary:hover{background:#ff527f;color:#fff;box-shadow:0 18px 42px rgba(255,61,110,.30)}
.btn-light{background:#fff;color:#111;border-color:#fff}
.btn-light:hover{background:#f4f4f5;color:#111}
.badge-row,.tag-cloud,.filter-bar{display:flex;flex-wrap:wrap;gap:10px}
.badge,.tag,.mini-pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.045);
  color:#d9d9df;
  border-radius:999px;
  padding:8px 12px;
  font-size:13px;
  white-space:nowrap;
}
.badge strong{color:#fff}
.tag:hover,.mini-pill:hover{border-color:rgba(255,61,110,.55);background:rgba(255,61,110,.10);color:#fff}
.hero-category{
  padding:58px 0 42px;
  border-bottom:1px solid var(--line);
}
.hero-shell{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) 390px;
  gap:26px;
  align-items:stretch;
}
.hero-main,
.hero-side,
.card,
.list-card,
.side-card,
.compare-panel,
.cta-panel{
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.035));
  box-shadow:var(--shadow-soft);
}
.hero-main{
  padding:34px;
  position:relative;
  overflow:hidden;
}
.hero-main:after{
  content:"";
  position:absolute;
  width:280px;
  height:280px;
  right:-150px;
  top:-130px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,61,110,.28),transparent 62%);
  pointer-events:none;
}
.hero-search-wrap{margin:24px 0 18px}
.hero-search-wrap .search-box{height:56px;border-radius:18px;background:rgba(0,0,0,.22)}
.hero-search-wrap .search-btn{height:42px;background:var(--accent);color:#fff}
.hero-search-wrap .search-btn:hover{background:#ff527f}
.hero-side{padding:24px}
.qualification{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.qual-item{
  display:flex;
  gap:12px;
  padding:14px;
  border-radius:16px;
  border:1px solid var(--line);
  background:rgba(0,0,0,.16);
}
.qual-icon{
  width:38px;
  height:38px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:var(--accent-soft);
  color:#ff8aa6;
  flex:0 0 auto;
}
.qual-item strong{display:block;color:#fff;margin-bottom:2px}
.qual-item span{display:block;color:var(--muted);font-size:13px;line-height:1.55}
.notice-line{
  margin-top:16px;
  padding:13px 14px;
  border-radius:14px;
  color:#d9d9df;
  background:rgba(255,207,102,.08);
  border:1px solid rgba(255,207,102,.20);
  font-size:13px;
}
.filter-strip{
  padding:16px 0 0;
}
.filter-bar{
  overflow-x:auto;
  flex-wrap:nowrap;
  padding-bottom:2px;
  scrollbar-width:thin;
}
.filter-btn{
  border:1px solid var(--line);
  background:rgba(255,255,255,.045);
  color:#d7d7de;
  border-radius:999px;
  padding:9px 13px;
  min-width:max-content;
  transition:all var(--ease);
}
.filter-btn:hover,.filter-btn.is-on{
  border-color:rgba(255,61,110,.55);
  background:var(--accent-soft);
  color:#fff;
}
.metric-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
}
.metric-card{
  padding:18px;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  background:rgba(255,255,255,.04);
}
.metric-card .num{
  font-size:30px;
  line-height:1;
  font-weight:800;
  letter-spacing:-.8px;
}
.metric-card .num small{font-size:14px;color:var(--accent)}
.metric-card span{display:block;margin-top:8px;color:var(--muted);font-size:13px}
.content-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 310px;
  gap:22px;
  align-items:start;
}
.list-stack{display:flex;flex-direction:column;gap:14px}
.list-card{
  padding:18px;
  display:grid;
  grid-template-columns:86px minmax(0,1fr) auto;
  gap:16px;
  align-items:center;
  transition:transform var(--ease),border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.list-card:hover{
  transform:translateY(-2px);
  border-color:rgba(255,255,255,.22);
  background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.04));
  box-shadow:var(--shadow);
}
.thumb{
  width:86px;
  height:74px;
  border-radius:14px;
  border:1px solid var(--line);
  background:
    linear-gradient(135deg,rgba(255,61,110,.24),transparent 55%),
    repeating-linear-gradient(135deg,rgba(255,255,255,.08) 0 1px, transparent 1px 12px),
    #191920;
  display:grid;
  place-items:center;
  color:#fff;
  font-weight:800;
  letter-spacing:.05em;
}
.list-meta{display:flex;flex-wrap:wrap;gap:8px;margin:9px 0 0}
.meta{
  color:var(--weak);
  font-size:12px;
  display:inline-flex;
  align-items:center;
  gap:5px;
}
.list-card h3{margin-bottom:4px}
.list-card p{margin:0;font-size:14px;line-height:1.55}
.list-action{display:flex;flex-direction:column;gap:8px;align-items:flex-end}
.small-btn{
  min-height:36px;
  padding:0 13px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  color:#fff;
  background:rgba(255,255,255,.05);
  font-weight:700;
  font-size:13px;
}
.small-btn:hover{border-color:rgba(255,61,110,.6);background:var(--accent-soft);color:#fff}
.side-stack{display:flex;flex-direction:column;gap:14px;position:sticky;top:96px}
.side-card{padding:18px;border-radius:var(--radius-md)}
.side-card h3{font-size:17px;margin-bottom:12px}
.rank-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.rank-list li{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  color:#d9d9df;
  padding-bottom:10px;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.rank-list li:last-child{border-bottom:0;padding-bottom:0}
.rank-list em{
  font-style:normal;
  width:24px;
  height:24px;
  display:grid;
  place-items:center;
  border-radius:8px;
  background:rgba(255,255,255,.06);
  color:#fff;
  font-size:12px;
  flex:0 0 auto;
}
.rank-list small{color:var(--weak)}
.steps-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:18px;
}
.step-panel{
  padding:24px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:var(--panel);
}
.step-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:12px}
.step-list li{
  display:grid;
  grid-template-columns:34px minmax(0,1fr);
  gap:12px;
  align-items:start;
}
.step-list b{
  width:34px;
  height:34px;
  display:grid;
  place-items:center;
  border-radius:12px;
  background:var(--accent-soft);
  color:#ff9ab1;
}
.step-list strong{display:block;color:#fff;margin-bottom:2px}
.step-list span{color:var(--muted);font-size:14px}
.highlight-card{
  padding:24px;
  border-radius:var(--radius-lg);
  border:1px solid rgba(255,61,110,.25);
  background:
    radial-gradient(circle at 80% 0,rgba(255,61,110,.22),transparent 44%),
    rgba(255,61,110,.07);
}
.highlight-card .big{
  font-size:42px;
  font-weight:900;
  letter-spacing:-1px;
  line-height:1;
}
.compare-panel{padding:22px}
.compare-table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
}
.compare-table th,
.compare-table td{
  padding:15px 14px;
  text-align:left;
  border-bottom:1px solid rgba(255,255,255,.08);
  color:#d8d8df;
}
.compare-table th{
  color:#fff;
  font-size:13px;
  letter-spacing:.04em;
  background:rgba(255,255,255,.035);
}
.compare-table tr:last-child td{border-bottom:0}
.compare-table td:first-child{color:#fff;font-weight:700}
.status{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:#dfe0e6;
}
.status:before{
  content:"";
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--good);
}
.pagination-line{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin-top:18px;
  padding:14px 16px;
  border:1px solid var(--line);
  border-radius:16px;
  background:rgba(255,255,255,.035);
}
.page-controls{display:flex;gap:8px}
.page-dot{
  width:34px;
  height:34px;
  display:grid;
  place-items:center;
  border:1px solid var(--line);
  border-radius:10px;
  color:var(--muted);
}
.page-dot.active{background:var(--accent);border-color:var(--accent);color:#fff}
.accordion{
  background:transparent;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
}
.accordion-item{background:transparent;border-bottom:1px solid rgba(255,255,255,.08)}
.accordion-item:last-child{border-bottom:0}
.accordion-title{
  position:relative;
  display:block;
  padding:20px 54px 20px 20px;
  border:0;
  color:#fff;
  font-size:16px;
  font-weight:800;
  background:rgba(255,255,255,.035);
}
.accordion-title:hover,.accordion-title:focus{background:rgba(255,255,255,.06);color:#fff}
.accordion-title:before{
  right:22px;
  margin-top:-8px;
  color:var(--accent);
  transition:transform var(--ease);
}
.is-active>.accordion-title:before{transform:rotate(45deg)}
.accordion-content{
  border:0;
  background:rgba(0,0,0,.12);
  color:var(--muted);
  padding:18px 20px 22px;
}
.cta-panel{
  padding:24px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:22px;
  align-items:center;
}
.cta-form{
  display:grid;
  grid-template-columns:minmax(180px,1fr) 170px 170px auto;
  gap:10px;
}
.form-input,.form-select{
  width:100%;
  height:46px;
  border:1px solid var(--line-strong);
  border-radius:14px;
  background:rgba(0,0,0,.20);
  color:#fff;
  padding:0 14px;
  outline:0;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.form-select option{background:#15151b;color:#fff}
.form-input:focus,.form-select:focus{
  border-color:rgba(255,61,110,.75);
  background:rgba(0,0,0,.28);
  box-shadow:0 0 0 4px rgba(255,61,110,.10);
}
.footer{
  border-top:1px solid var(--line);
  background:#09090b;
  padding:46px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr .8fr .8fr;
  gap:28px;
}
.footer h4{font-size:16px;margin-bottom:12px}
.footer p{max-width:520px;font-size:14px}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.footer a{color:var(--muted);font-size:14px}
.footer a:hover{color:#fff}
.footer-bottom{
  margin-top:30px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;
  justify-content:space-between;
  gap:16px;
  color:var(--weak);
  font-size:13px;
}
@media (max-width:1200px){
  .container-xx{width:min(100% - 32px, var(--container))}
  .topbar-grid{grid-template-columns:230px minmax(280px,1fr) auto;gap:12px}
  .topbar-link{padding:0 10px}
  .hero-shell{grid-template-columns:minmax(0,1fr) 340px}
}
@media (max-width:1024px){
  .topbar-grid{grid-template-columns:1fr auto}
  .desktop-search{display:none}
  .mobile-search{display:block}
  .desktop-actions{display:flex}
  .hero-shell,.content-layout,.steps-grid{grid-template-columns:1fr}
  .side-stack{position:static}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .cta-panel{grid-template-columns:1fr}
  .cta-form{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .container-xx{width:min(100% - 24px, var(--container))}
  .site-topbar{padding:12px 0}
  .topbar-grid{grid-template-columns:1fr}
  .desktop-actions{display:none}
  .hide-on-desktop{display:flex}
  .mobile-nav{
    gap:8px;
    overflow-x:auto;
    padding-top:12px;
    scrollbar-width:thin;
  }
  .mobile-nav .topbar-link{min-width:max-content}
  .brand-text strong{font-size:15px}
  .hero-category{padding:38px 0 30px}
  .hero-main{padding:24px}
  .hero-side{padding:18px}
  .section{padding:54px 0}
  .section-head{display:block}
  .list-card{grid-template-columns:70px minmax(0,1fr);align-items:start}
  .thumb{width:70px;height:62px;border-radius:12px;font-size:13px}
  .list-action{grid-column:1 / -1;align-items:flex-start;flex-direction:row}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .compare-panel{overflow-x:auto}
  .compare-table{min-width:680px}
}
@media (max-width:640px){
  body{font-size:14px}
  .search-box{height:46px;border-radius:16px}
  .search-btn{padding:0 14px}
  .hero-search-wrap .search-box{height:auto;min-height:54px;align-items:stretch;padding:8px 8px 8px 14px}
  .hero-search-wrap .search-btn{height:38px;align-self:center}
  .badge-row,.tag-cloud{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}
  .metric-grid{grid-template-columns:1fr}
  .cta-form{grid-template-columns:1fr}
  .btn-row{display:grid;grid-template-columns:1fr}
  .btn{width:100%}
  .pagination-line{align-items:flex-start}
}
@media (max-width:520px){
  h1{font-size:32px;letter-spacing:-1px}
  h2{font-size:25px}
  .brand-mark{width:38px;height:38px;border-radius:12px}
  .hero-main{padding:20px}
  .qual-item{padding:12px}
  .list-card{padding:14px;gap:12px}
  .section{padding:44px 0}
}