/* roulang page: index */
:root {
            --color-primary: #2458ff;
            --color-primary-dark: #163cc3;
            --color-primary-soft: #eef3ff;
            --color-secondary: #12b981;
            --color-accent: #ffb020;
            --color-danger: #ef5350;
            --color-ink: #172033;
            --color-heading: #0b1220;
            --color-muted: #667085;
            --color-soft: #f6f8fc;
            --color-paper: #ffffff;
            --color-line: rgba(23, 32, 51, .10);
            --color-line-strong: rgba(23, 32, 51, .16);
            --shadow-sm: 0 8px 24px rgba(19, 31, 64, .07);
            --shadow-md: 0 16px 42px rgba(19, 31, 64, .10);
            --shadow-lg: 0 26px 70px rgba(19, 31, 64, .15);
            --radius-sm: 12px;
            --radius-md: 18px;
            --radius-lg: 28px;
            --radius-xl: 36px;
            --container: 1180px;
            --ease: cubic-bezier(.2, .8, .2, 1);
        }

        * {
            box-sizing: border-box;
        }

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

        body {
            margin: 0;
            color: var(--color-ink);
            background:
                radial-gradient(circle at 12% 4%, rgba(36, 88, 255, .12), transparent 30%),
                radial-gradient(circle at 85% 16%, rgba(18, 185, 129, .12), transparent 28%),
                linear-gradient(180deg, #f8fbff 0%, #ffffff 38%, #f7f9fe 100%);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.78;
            letter-spacing: .01em;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease), transform .22s var(--ease);
        }

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

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

        button,
        input,
        textarea {
            font: inherit;
        }

        button {
            cursor: pointer;
        }

        input,
        textarea {
            width: 100%;
            border: 1px solid var(--color-line-strong);
            border-radius: 14px;
            padding: 13px 15px;
            color: var(--color-heading);
            background: #fff;
            outline: none;
            transition: border-color .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease);
        }

        input:focus,
        textarea:focus,
        button:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(36, 88, 255, .22);
            outline-offset: 3px;
        }

        input:focus,
        textarea:focus {
            border-color: rgba(36, 88, 255, .62);
            box-shadow: 0 0 0 4px rgba(36, 88, 255, .10);
        }

        textarea {
            min-height: 112px;
            resize: vertical;
        }

        .site-container {
            width: min(calc(100% - 32px), var(--container));
            margin-inline: auto;
        }

        .section {
            padding: 82px 0;
            position: relative;
        }

        .section.compact {
            padding: 58px 0;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 12px;
            border: 1px solid rgba(36, 88, 255, .16);
            border-radius: 999px;
            background: rgba(36, 88, 255, .07);
            color: var(--color-primary-dark);
            font-size: 13px;
            font-weight: 700;
            line-height: 1;
            margin-bottom: 16px;
        }

        .section-title {
            margin: 0;
            color: var(--color-heading);
            font-size: clamp(28px, 3.2vw, 44px);
            line-height: 1.18;
            font-weight: 900;
            letter-spacing: -.03em;
        }

        .section-desc {
            max-width: 760px;
            margin: 16px 0 0;
            color: var(--color-muted);
            font-size: 17px;
            line-height: 1.9;
        }

        .section-head {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 28px;
            margin-bottom: 32px;
        }

        .section-head .section-desc {
            max-width: 560px;
        }

        .header-wrap {
            position: sticky;
            top: 0;
            z-index: 50;
            backdrop-filter: blur(18px);
            background: rgba(255, 255, 255, .86);
            border-bottom: 1px solid var(--color-line);
            box-shadow: 0 10px 30px rgba(10, 18, 36, .05);
        }

        .brand-row {
            min-height: 68px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            min-width: 0;
            color: var(--color-heading);
            font-weight: 900;
            letter-spacing: -.04em;
        }

        .logo-mark {
            width: 42px;
            height: 42px;
            display: grid;
            place-items: center;
            flex: 0 0 auto;
            border-radius: 14px;
            color: #fff;
            background:
                linear-gradient(135deg, rgba(255, 255, 255, .20), transparent 45%),
                linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            box-shadow: 0 12px 30px rgba(36, 88, 255, .24);
        }

        .brand-text {
            font-size: 18px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .portal-tools {
            display: flex;
            align-items: center;
            gap: 12px;
            flex: 1;
            justify-content: flex-end;
        }

        .search-box {
            width: min(380px, 38vw);
            position: relative;
        }

        .search-box i {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: #8a94a6;
            pointer-events: none;
        }

        .search-box input {
            height: 42px;
            padding: 10px 14px 10px 42px;
            border-radius: 999px;
            background: #f6f8fc;
        }

        .trend-chip {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 14px;
            border: 1px solid rgba(255, 176, 32, .30);
            border-radius: 999px;
            color: #8a5a00;
            background: rgba(255, 176, 32, .12);
            font-size: 13px;
            font-weight: 800;
            white-space: nowrap;
        }

        .mobile-menu-btn {
            display: none;
            width: 42px;
            height: 42px;
            border: 1px solid var(--color-line);
            border-radius: 14px;
            background: #fff;
            color: var(--color-heading);
            align-items: center;
            justify-content: center;
            transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
        }

        .mobile-menu-btn:hover {
            transform: translateY(-1px);
            border-color: rgba(36, 88, 255, .32);
            box-shadow: var(--shadow-sm);
        }

        .channel-row {
            border-top: 1px solid rgba(23, 32, 51, .07);
        }

        .channel-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 46px;
            gap: 20px;
        }

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

        .main-nav a {
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 34px;
            padding: 0 14px;
            border-radius: 999px;
            color: var(--color-muted);
            font-size: 14px;
            font-weight: 800;
        }

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

        .main-nav a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), #5a7dff);
            box-shadow: 0 10px 22px rgba(36, 88, 255, .22);
        }

        .hot-words {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow: hidden;
            color: var(--color-muted);
            font-size: 13px;
            white-space: nowrap;
        }

        .hot-words span:first-child {
            color: var(--color-heading);
            font-weight: 900;
        }

        .hot-words em {
            display: inline-flex;
            align-items: center;
            padding: 4px 9px;
            border-radius: 999px;
            background: #f1f4fa;
            color: #5d6678;
            font-style: normal;
        }

        .hero {
            padding: 54px 0 74px;
        }

        .hero-shell {
            border: 1px solid rgba(36, 88, 255, .14);
            border-radius: var(--radius-xl);
            overflow: hidden;
            background:
                linear-gradient(120deg, rgba(11, 18, 32, .88), rgba(23, 53, 126, .84)),
                radial-gradient(circle at 72% 20%, rgba(18, 185, 129, .45), transparent 36%),
                radial-gradient(circle at 24% 92%, rgba(255, 176, 32, .30), transparent 38%);
            color: #fff;
            box-shadow: var(--shadow-lg);
            position: relative;
            isolation: isolate;
        }

        .hero-shell:before {
            content: "";
            position: absolute;
            inset: 0;
            opacity: .18;
            background-image:
                linear-gradient(rgba(255,255,255,.16) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px);
            background-size: 44px 44px;
            z-index: -1;
            mask-image: linear-gradient(90deg, rgba(0,0,0,.95), rgba(0,0,0,.30));
        }

        .hero-top {
            padding: clamp(28px, 5vw, 58px);
            display: grid;
            grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr);
            gap: 30px;
            align-items: center;
            border-bottom: 1px solid rgba(255, 255, 255, .14);
        }

        .hero h1 {
            margin: 12px 0 18px;
            color: #fff;
            font-size: clamp(34px, 5.3vw, 72px);
            line-height: 1.05;
            letter-spacing: -.06em;
            font-weight: 950;
            max-width: 860px;
        }

        .hero-lead {
            max-width: 770px;
            margin: 0;
            color: rgba(255, 255, 255, .82);
            font-size: clamp(16px, 1.6vw, 20px);
            line-height: 1.95;
        }

        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 26px;
        }

        .badge,
        .soft-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: 999px;
            line-height: 1;
            font-weight: 800;
        }

        .badge {
            padding: 9px 12px;
            color: #fff;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .20);
        }

        .soft-badge {
            padding: 7px 10px;
            color: var(--color-primary-dark);
            background: var(--color-primary-soft);
            border: 1px solid rgba(36, 88, 255, .14);
            font-size: 13px;
        }

        .progress-card {
            padding: 22px;
            border: 1px solid rgba(255, 255, 255, .16);
            border-radius: 26px;
            background: rgba(255, 255, 255, .11);
            backdrop-filter: blur(12px);
        }

        .progress-ring-wrap {
            display: grid;
            grid-template-columns: 152px minmax(0, 1fr);
            align-items: center;
            gap: 18px;
        }

        .progress-ring {
            width: 152px;
            height: 152px;
            border-radius: 50%;
            display: grid;
            place-items: center;
            background: conic-gradient(var(--color-secondary) 0 72%, rgba(255,255,255,.18) 72% 100%);
            box-shadow: inset 0 0 0 1px rgba(255,255,255,.18), 0 14px 34px rgba(0,0,0,.18);
            position: relative;
        }

        .progress-ring:after {
            content: "";
            position: absolute;
            inset: 15px;
            border-radius: 50%;
            background: rgba(11, 18, 32, .82);
            border: 1px solid rgba(255, 255, 255, .12);
        }

        .progress-ring strong,
        .progress-ring span {
            position: relative;
            z-index: 1;
            display: block;
            text-align: center;
        }

        .progress-ring strong {
            font-size: 34px;
            line-height: 1;
            letter-spacing: -.04em;
        }

        .progress-ring span {
            margin-top: 6px;
            color: rgba(255,255,255,.70);
            font-size: 12px;
            font-weight: 800;
        }

        .progress-copy h2 {
            margin: 0 0 8px;
            color: #fff;
            font-size: 22px;
            line-height: 1.25;
            font-weight: 900;
        }

        .progress-copy p {
            margin: 0;
            color: rgba(255,255,255,.78);
            font-size: 14px;
            line-height: 1.75;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 20px;
        }

        .hero-bottom {
            display: grid;
            grid-template-columns: 1.15fr .85fr;
            gap: 0;
        }

        .tier-panel {
            padding: 28px clamp(24px, 4vw, 42px);
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
        }

        .tier-card {
            min-height: 150px;
            padding: 18px;
            border: 1px solid rgba(255, 255, 255, .15);
            border-radius: 22px;
            background: rgba(255, 255, 255, .10);
            transition: transform .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease);
        }

        .tier-card:hover {
            transform: translateY(-4px);
            background: rgba(255, 255, 255, .15);
            border-color: rgba(255, 255, 255, .34);
        }

        .tier-card .tier-label {
            color: rgba(255, 255, 255, .66);
            font-size: 12px;
            font-weight: 900;
            letter-spacing: .08em;
        }

        .tier-card h3 {
            margin: 8px 0 8px;
            color: #fff;
            font-size: 18px;
            font-weight: 900;
        }

        .tier-card p {
            margin: 0;
            color: rgba(255, 255, 255, .72);
            font-size: 14px;
            line-height: 1.7;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            border-left: 1px solid rgba(255, 255, 255, .14);
        }

        .stat-tile {
            padding: 28px;
            border-bottom: 1px solid rgba(255, 255, 255, .14);
            border-right: 1px solid rgba(255, 255, 255, .10);
        }

        .stat-tile:nth-child(2n) {
            border-right: none;
        }

        .stat-tile:nth-last-child(-n+2) {
            border-bottom: none;
        }

        .stat-tile strong {
            display: block;
            color: #fff;
            font-size: 30px;
            line-height: 1;
            letter-spacing: -.04em;
        }

        .stat-tile span {
            display: block;
            margin-top: 8px;
            color: rgba(255,255,255,.68);
            font-size: 13px;
            font-weight: 800;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 46px;
            padding: 12px 18px;
            border: 0;
            border-radius: 999px;
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), #5a7dff);
            box-shadow: 0 14px 30px rgba(36, 88, 255, .26);
            font-weight: 900;
            line-height: 1;
            transition: transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), color .22s var(--ease);
        }

        .btn:hover,
        .btn:focus {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 18px 36px rgba(36, 88, 255, .34);
        }

        .btn:active {
            transform: translateY(0);
            box-shadow: 0 8px 18px rgba(36, 88, 255, .22);
        }

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

        .btn-secondary:hover {
            color: var(--color-primary-dark);
            box-shadow: var(--shadow-md);
        }

        .btn-ghost {
            color: #fff;
            background: rgba(255,255,255,.12);
            border: 1px solid rgba(255,255,255,.18);
            box-shadow: none;
        }

        .btn-ghost:hover {
            color: #fff;
            background: rgba(255,255,255,.18);
            box-shadow: 0 12px 28px rgba(0,0,0,.12);
        }

        .card {
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, .86);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: transform .24s var(--ease), box-shadow .24s var(--ease), border-color .24s var(--ease), background .24s var(--ease);
        }

        .card:hover {
            transform: translateY(-5px);
            border-color: rgba(36, 88, 255, .24);
            box-shadow: var(--shadow-md);
            background: #fff;
        }

        .catalog-map {
            display: grid;
            grid-template-columns: .92fr 1.08fr;
            gap: 22px;
            align-items: stretch;
        }

        .route-card {
            padding: 28px;
            min-height: 100%;
            background:
                linear-gradient(180deg, rgba(36, 88, 255, .08), rgba(18, 185, 129, .06)),
                #fff;
        }

        .route-line {
            margin-top: 24px;
            display: grid;
            gap: 18px;
            position: relative;
        }

        .route-item {
            display: grid;
            grid-template-columns: 42px minmax(0, 1fr);
            gap: 14px;
            align-items: start;
            position: relative;
        }

        .route-dot {
            width: 42px;
            height: 42px;
            border-radius: 16px;
            display: grid;
            place-items: center;
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            box-shadow: 0 12px 24px rgba(36, 88, 255, .20);
            z-index: 1;
        }

        .route-item:not(:last-child):after {
            content: "";
            position: absolute;
            left: 20px;
            top: 44px;
            bottom: -18px;
            width: 2px;
            background: linear-gradient(180deg, rgba(36, 88, 255, .22), rgba(18, 185, 129, .12));
        }

        .route-item h3 {
            margin: 0 0 5px;
            color: var(--color-heading);
            font-size: 18px;
            font-weight: 900;
        }

        .route-item p {
            margin: 0;
            color: var(--color-muted);
            font-size: 14px;
            line-height: 1.72;
        }

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

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

        .matrix-icon {
            width: 48px;
            height: 48px;
            display: grid;
            place-items: center;
            border-radius: 17px;
            color: var(--color-primary);
            background: var(--color-primary-soft);
            margin-bottom: 16px;
        }

        .matrix-card h3 {
            margin: 0 0 9px;
            color: var(--color-heading);
            font-size: 19px;
            font-weight: 900;
        }

        .matrix-card p {
            margin: 0 0 15px;
            color: var(--color-muted);
            font-size: 14px;
            line-height: 1.75;
        }

        .mini-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .mini-list li {
            padding: 6px 9px;
            border-radius: 999px;
            color: #596273;
            background: #f2f5fa;
            font-size: 12px;
            font-weight: 800;
        }

        .recommend-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 360px;
            gap: 22px;
        }

        .compare-board {
            padding: 26px;
            background:
                radial-gradient(circle at 8% 0%, rgba(255, 176, 32, .18), transparent 34%),
                #fff;
        }

        .compare-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
            margin-top: 20px;
        }

        .compare-col {
            padding: 18px;
            border-radius: 20px;
            background: #f6f8fc;
            border: 1px solid var(--color-line);
        }

        .compare-col.highlight {
            background: rgba(36, 88, 255, .07);
            border-color: rgba(36, 88, 255, .18);
        }

        .compare-col h3 {
            margin: 0 0 12px;
            font-size: 18px;
            font-weight: 900;
            color: var(--color-heading);
        }

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

        .check-list li {
            display: flex;
            gap: 9px;
            color: var(--color-muted);
            font-size: 14px;
            line-height: 1.65;
        }

        .check-list i {
            margin-top: 5px;
            color: var(--color-secondary);
        }

        .recommend-stack {
            display: grid;
            gap: 14px;
        }

        .side-card {
            padding: 22px;
            background: #0b1220;
            color: #fff;
        }

        .side-card h3 {
            margin: 0 0 10px;
            color: #fff;
            font-size: 20px;
            font-weight: 900;
        }

        .side-card p {
            margin: 0 0 18px;
            color: rgba(255,255,255,.72);
            font-size: 14px;
        }

        .rank-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 13px 0;
            border-top: 1px solid rgba(255,255,255,.12);
            color: rgba(255,255,255,.84);
            font-size: 14px;
        }

        .rank-item strong {
            color: #fff;
        }

        .rank-item span {
            color: var(--color-accent);
            font-weight: 900;
        }

        .news-area {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 340px;
            gap: 22px;
            align-items: start;
        }

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

        .news-item {
            display: grid;
            grid-template-columns: 118px minmax(0, 1fr) 34px;
            gap: 18px;
            padding: 20px 22px;
            align-items: center;
            border-bottom: 1px solid var(--color-line);
        }

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

        .news-item:hover {
            background: #f8fbff;
        }

        .news-date {
            display: inline-flex;
            flex-direction: column;
            gap: 4px;
            color: var(--color-muted);
            font-size: 13px;
            font-weight: 800;
        }

        .news-date b {
            color: var(--color-primary-dark);
            font-size: 18px;
            line-height: 1;
        }

        .news-item h3 {
            margin: 0 0 7px;
            color: var(--color-heading);
            font-size: 18px;
            line-height: 1.35;
            font-weight: 900;
        }

        .news-item p {
            margin: 0;
            color: var(--color-muted);
            font-size: 14px;
            line-height: 1.68;
        }

        .news-arrow {
            width: 34px;
            height: 34px;
            display: grid;
            place-items: center;
            border-radius: 50%;
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }

        .latest-panel {
            padding: 24px;
            position: sticky;
            top: 130px;
        }

        .latest-row {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--color-line);
            align-items: center;
        }

        .latest-row:last-child {
            border-bottom: 0;
        }

        .latest-row span {
            color: var(--color-muted);
            font-size: 13px;
        }

        .latest-row strong {
            color: var(--color-heading);
            font-weight: 900;
        }

        .status-pill {
            padding: 5px 9px;
            border-radius: 999px;
            color: #067647;
            background: rgba(18, 185, 129, .12);
            font-size: 12px;
            font-weight: 900;
            white-space: nowrap;
        }

        .share-section {
            background:
                linear-gradient(135deg, rgba(36, 88, 255, .08), rgba(18, 185, 129, .06)),
                #fff;
            border-block: 1px solid var(--color-line);
        }

        .share-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 16px;
        }

        .share-card {
            padding: 24px;
            position: relative;
        }

        .share-card h3 {
            margin: 0 0 10px;
            color: var(--color-heading);
            font-size: 20px;
            font-weight: 900;
        }

        .share-card p {
            margin: 0 0 18px;
            color: var(--color-muted);
            font-size: 14px;
            line-height: 1.75;
        }

        .share-action {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--color-primary-dark);
            font-weight: 900;
            font-size: 14px;
        }

        .task-board {
            display: grid;
            grid-template-columns: 390px minmax(0, 1fr);
            gap: 22px;
            align-items: stretch;
        }

        .task-progress {
            padding: 28px;
            background: #0f172a;
            color: #fff;
        }

        .task-progress h3 {
            margin: 0 0 12px;
            color: #fff;
            font-size: 24px;
            font-weight: 900;
        }

        .task-progress p {
            margin: 0;
            color: rgba(255,255,255,.72);
        }

        .bar {
            height: 12px;
            margin: 24px 0 14px;
            border-radius: 999px;
            background: rgba(255,255,255,.14);
            overflow: hidden;
        }

        .bar span {
            display: block;
            width: 72%;
            height: 100%;
            border-radius: inherit;
            background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
        }

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

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

        .task-item {
            padding: 20px;
        }

        .task-item h3 {
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 0 0 9px;
            color: var(--color-heading);
            font-size: 18px;
            font-weight: 900;
        }

        .task-item h3 i {
            color: var(--color-secondary);
        }

        .task-item p {
            margin: 0;
            color: var(--color-muted);
            font-size: 14px;
            line-height: 1.72;
        }

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

        .bubble {
            padding: 20px;
            border-radius: 24px;
            background: #fff;
            border: 1px solid var(--color-line);
            box-shadow: var(--shadow-sm);
            transition: transform .22s var(--ease), box-shadow .22s var(--ease);
        }

        .bubble:nth-child(2n) {
            transform: translateY(18px);
        }

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

        .bubble:nth-child(2n):hover {
            transform: translateY(10px);
        }

        .bubble p {
            margin: 0 0 18px;
            color: #3b4658;
            font-size: 14px;
            line-height: 1.8;
        }

        .avatar-line {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: grid;
            place-items: center;
            color: #fff;
            font-weight: 900;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
        }

        .avatar-line strong {
            display: block;
            color: var(--color-heading);
            font-size: 14px;
            line-height: 1.2;
        }

        .avatar-line span {
            display: block;
            color: var(--color-muted);
            font-size: 12px;
            line-height: 1.2;
            margin-top: 4px;
        }

        .faq-wrap {
            display: grid;
            grid-template-columns: 360px minmax(0, 1fr);
            gap: 28px;
            align-items: start;
        }

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

        .faq-item {
            padding: 0;
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 22px;
            border: 0;
            color: var(--color-heading);
            background: transparent;
            text-align: left;
            font-weight: 900;
        }

        .faq-question i {
            color: var(--color-primary);
            transition: transform .22s var(--ease);
        }

        .faq-answer {
            display: none;
            padding: 0 22px 22px;
            color: var(--color-muted);
            font-size: 15px;
            line-height: 1.85;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        .faq-item.active .faq-question i {
            transform: rotate(45deg);
        }

        .support-cta {
            padding: 0 0 86px;
        }

        .support-shell {
            display: grid;
            grid-template-columns: .92fr 1.08fr;
            gap: 0;
            overflow: hidden;
            border-radius: var(--radius-xl);
            background: #fff;
            border: 1px solid var(--color-line);
            box-shadow: var(--shadow-lg);
        }

        .support-copy {
            padding: clamp(28px, 4vw, 46px);
            color: #fff;
            background:
                radial-gradient(circle at 18% 16%, rgba(255, 176, 32, .30), transparent 36%),
                linear-gradient(145deg, #111827, #1d3f93);
        }

        .support-copy h2 {
            margin: 14px 0 15px;
            color: #fff;
            font-size: clamp(28px, 3.2vw, 44px);
            line-height: 1.18;
            font-weight: 950;
            letter-spacing: -.04em;
        }

        .support-copy p {
            color: rgba(255,255,255,.76);
            margin: 0;
            line-height: 1.9;
        }

        .support-points {
            margin: 26px 0 0;
            padding: 0;
            list-style: none;
            display: grid;
            gap: 12px;
        }

        .support-points li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255,255,255,.84);
            font-weight: 800;
        }

        .support-points i {
            color: var(--color-accent);
        }

        .support-form {
            padding: clamp(28px, 4vw, 46px);
            background:
                radial-gradient(circle at 82% 4%, rgba(36, 88, 255, .10), transparent 32%),
                #fff;
        }

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

        .field {
            margin-bottom: 14px;
        }

        .field label {
            display: block;
            margin-bottom: 8px;
            color: var(--color-heading);
            font-weight: 900;
            font-size: 14px;
        }

        .field.full {
            grid-column: 1 / -1;
        }

        .form-hint {
            margin: 12px 0 0;
            color: var(--color-muted);
            font-size: 13px;
            line-height: 1.7;
        }

        .form-message {
            display: none;
            margin-top: 14px;
            padding: 12px 14px;
            border-radius: 14px;
            color: #067647;
            background: rgba(18, 185, 129, .12);
            font-weight: 800;
        }

        .footer {
            color: rgba(255,255,255,.76);
            background: #0b1220;
            padding: 54px 0 26px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 280px;
            gap: 32px;
            align-items: start;
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            font-size: 19px;
            font-weight: 950;
            letter-spacing: -.03em;
        }

        .footer p {
            max-width: 720px;
            margin: 16px 0 0;
            color: rgba(255,255,255,.66);
            line-height: 1.85;
        }

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

        .footer-links a {
            padding: 8px 12px;
            border-radius: 999px;
            color: rgba(255,255,255,.72);
            background: rgba(255,255,255,.07);
            border: 1px solid rgba(255,255,255,.08);
            font-size: 13px;
            font-weight: 800;
        }

        .footer-links a:hover {
            color: #fff;
            background: rgba(36, 88, 255, .42);
        }

        .copyright {
            margin-top: 34px;
            padding-top: 22px;
            border-top: 1px solid rgba(255,255,255,.10);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            color: rgba(255,255,255,.52);
            font-size: 13px;
        }

        @media (max-width: 1024px) {
            .hero-top,
            .hero-bottom,
            .catalog-map,
            .recommend-layout,
            .news-area,
            .task-board,
            .faq-wrap,
            .support-shell {
                grid-template-columns: 1fr;
            }

            .hero-stats {
                border-left: 0;
                border-top: 1px solid rgba(255, 255, 255, .14);
            }

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

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

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

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

            .search-box {
                width: min(320px, 34vw);
            }
        }

        @media (max-width: 768px) {
            body {
                font-size: 15px;
            }

            .site-container {
                width: min(calc(100% - 24px), var(--container));
            }

            .section {
                padding: 58px 0;
            }

            .section.compact {
                padding: 42px 0;
            }

            .section-head {
                display: block;
            }

            .brand-row {
                min-height: 62px;
            }

            .brand-text {
                max-width: 58vw;
                font-size: 16px;
            }

            .mobile-menu-btn {
                display: inline-flex;
            }

            .portal-tools {
                flex: 0 0 auto;
            }

            .portal-tools .search-box,
            .portal-tools .trend-chip {
                display: none;
            }

            .channel-row {
                display: none;
            }

            .header-wrap.menu-open .channel-row {
                display: block;
            }

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

            .main-nav {
                width: 100%;
            }

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

            .hot-words {
                overflow-x: auto;
                padding-bottom: 4px;
            }

            .hero {
                padding: 24px 0 54px;
            }

            .hero-top {
                padding: 26px;
            }

            .progress-ring-wrap {
                grid-template-columns: 1fr;
                justify-items: center;
                text-align: center;
            }

            .tier-panel,
            .matrix-grid,
            .compare-row,
            .share-grid,
            .task-list {
                grid-template-columns: 1fr;
            }

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

            .news-item {
                grid-template-columns: 1fr 32px;
                gap: 12px;
            }

            .news-date {
                grid-column: 1 / -1;
                flex-direction: row;
                align-items: center;
            }

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

            .copyright {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .hero-shell,
            .support-shell {
                border-radius: 24px;
            }

            .hero h1 {
                font-size: 34px;
                letter-spacing: -.05em;
            }

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

            .btn,
            .btn-secondary,
            .btn-ghost {
                width: 100%;
            }

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

            .stat-tile {
                border-right: 0;
            }

            .stat-tile:nth-last-child(-n+2) {
                border-bottom: 1px solid rgba(255, 255, 255, .14);
            }

            .stat-tile:last-child {
                border-bottom: 0;
            }

            .bubble-wall {
                grid-template-columns: 1fr;
            }

            .bubble:nth-child(2n),
            .bubble:nth-child(2n):hover {
                transform: none;
            }

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