/* roulang page: index */
:root {
            --primary: #2878e8;
            --primary-hover: #1764ce;
            --primary-soft: #eaf3ff;
            --primary-pale: #f4f8ff;
            --secondary: #e99138;
            --secondary-soft: #fff4e7;
            --page-bg: #f6f9fd;
            --surface: #ffffff;
            --surface-alt: #edf4fc;
            --text: #172a43;
            --text-secondary: #5d7089;
            --text-muted: #8291a5;
            --border: #dce6f1;
            --border-strong: #bed2ea;
            --success: #17885b;
            --success-soft: #e8f7f0;
            --warning: #b66a18;
            --danger: #c64a55;
            --radius-sm: 10px;
            --radius: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 8px 24px rgba(37, 75, 118, .07);
            --shadow: 0 18px 48px rgba(37, 75, 118, .11);
            --shadow-hover: 0 22px 52px rgba(34, 88, 150, .16);
            --container: 1220px;
            --section-space: 104px;
            --mobile-space: 68px;
            --transition: .22s ease;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 136px;
        }

        body {
            margin: 0;
            color: var(--text);
            background: var(--page-bg);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

        body.menu-open {
            overflow: hidden;
        }

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

        h1,
        h2,
        h3 {
            color: var(--text);
            line-height: 1.25;
            letter-spacing: -.025em;
        }

        h2 {
            margin-bottom: 18px;
            font-size: clamp(30px, 4vw, 44px);
        }

        h3 {
            margin-bottom: 10px;
            font-size: 21px;
        }

        p {
            color: var(--text-secondary);
        }

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

        button,
        input {
            font: inherit;
        }

        button {
            border: 0;
            cursor: pointer;
        }

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

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

        :focus-visible {
            outline: 3px solid rgba(40, 120, 232, .32);
            outline-offset: 3px;
        }

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

        .section {
            padding: var(--section-space) 0;
        }

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

        .section--blue {
            background: var(--primary-pale);
            border-block: 1px solid #e4edf8;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            margin-bottom: 16px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 750;
            letter-spacing: .08em;
        }

        .eyebrow::before {
            width: 24px;
            height: 3px;
            border-radius: 99px;
            background: var(--secondary);
            content: "";
        }

        .section-head {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 34px;
            margin-bottom: 44px;
        }

        .section-head > div:first-child {
            max-width: 720px;
        }

        .section-head p {
            max-width: 680px;
            margin-bottom: 0;
            font-size: 17px;
        }

        .text-link {
            display: inline-flex;
            flex: 0 0 auto;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 700;
        }

        .text-link:hover {
            color: var(--primary-hover);
            transform: translateX(3px);
        }

        .skip-link {
            position: fixed;
            z-index: 1000;
            top: 10px;
            left: 10px;
            padding: 10px 16px;
            color: #fff;
            background: var(--primary);
            border-radius: var(--radius-sm);
            transform: translateY(-150%);
        }

        .skip-link:focus {
            transform: translateY(0);
        }

        .site-header {
            position: sticky;
            z-index: 100;
            top: 0;
            background: rgba(255, 255, 255, .97);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 6px 24px rgba(46, 80, 120, .05);
        }

        .nav-wrap {
            display: grid;
            grid-template-columns: minmax(230px, .85fr) minmax(300px, 1.35fr) auto;
            align-items: center;
            gap: 26px;
            min-height: 84px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            min-width: 0;
        }

        .brand-mark {
            display: grid;
            flex: 0 0 auto;
            width: 44px;
            height: 44px;
            place-items: center;
            color: #fff;
            background: var(--primary);
            border-radius: 14px;
            box-shadow: 0 9px 22px rgba(40, 120, 232, .23);
            font-size: 17px;
            font-weight: 800;
        }

        .brand-copy {
            min-width: 0;
        }

        .brand-name {
            display: block;
            overflow: hidden;
            color: var(--text);
            font-size: 16px;
            font-weight: 800;
            line-height: 1.25;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .brand-note {
            display: block;
            margin-top: 2px;
            color: var(--text-muted);
            font-size: 12px;
            line-height: 1.4;
        }

        .nav-search,
        .cta-search {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 7px 7px 7px 15px;
            background: #f5f8fc;
            border: 1px solid var(--border);
            border-radius: 15px;
            transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
        }

        .nav-search:focus-within,
        .cta-search:focus-within {
            background: #fff;
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(40, 120, 232, .1);
        }

        .search-icon {
            flex: 0 0 auto;
            width: 20px;
            height: 20px;
            color: var(--text-muted);
        }

        .nav-search input,
        .cta-search input {
            width: 100%;
            min-width: 0;
            padding: 5px 0;
            color: var(--text);
            background: transparent;
            border: 0;
            outline: 0;
        }

        .nav-search input::placeholder,
        .cta-search input::placeholder {
            color: #8a9aaf;
        }

        .search-clear {
            display: none;
            flex: 0 0 auto;
            width: 30px;
            height: 30px;
            color: var(--text-muted);
            background: transparent;
            border-radius: 8px;
        }

        .search-clear.visible {
            display: grid;
            place-items: center;
        }

        .search-clear:hover {
            color: var(--text);
            background: #e9eff7;
        }

        .nav-search button[type="submit"] {
            flex: 0 0 auto;
            padding: 9px 17px;
            color: #fff;
            background: var(--primary);
            border-radius: 10px;
            font-weight: 700;
        }

        .nav-search button[type="submit"]:hover {
            background: var(--primary-hover);
        }

        .main-nav {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 8px;
        }

        .nav-link {
            position: relative;
            padding: 10px 13px;
            color: var(--text-secondary);
            border-radius: 10px;
            font-size: 15px;
            font-weight: 700;
            white-space: nowrap;
        }

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

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

        .nav-link.active::after {
            position: absolute;
            right: 13px;
            bottom: 4px;
            left: 13px;
            height: 2px;
            background: var(--primary);
            border-radius: 99px;
            content: "";
        }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            padding: 11px;
            color: var(--text);
            background: var(--primary-soft);
            border-radius: 12px;
        }

        .menu-toggle span {
            display: block;
            width: 100%;
            height: 2px;
            margin: 5px 0;
            background: currentColor;
            border-radius: 99px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .mobile-search {
            display: none;
        }

        .hero {
            position: relative;
            overflow: hidden;
            padding: 82px 0 112px;
            background:
                linear-gradient(rgba(214, 227, 243, .3) 1px, transparent 1px),
                linear-gradient(90deg, rgba(214, 227, 243, .3) 1px, transparent 1px),
                linear-gradient(135deg, #f8fbff 0%, #eef5fc 100%);
            background-size: 38px 38px, 38px 38px, auto;
        }

        .hero::after {
            position: absolute;
            right: -150px;
            bottom: -220px;
            width: 520px;
            height: 520px;
            background: #e0edfc;
            border-radius: 50%;
            content: "";
            opacity: .64;
        }

        .hero-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 5fr 7fr;
            align-items: center;
            gap: 62px;
        }

        .hero-copy {
            padding: 25px 0 0;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            margin-bottom: 18px;
            padding: 7px 12px;
            color: var(--primary);
            background: #fff;
            border: 1px solid #d6e5f7;
            border-radius: 99px;
            box-shadow: var(--shadow-sm);
            font-size: 13px;
            font-weight: 750;
        }

        .pulse {
            width: 8px;
            height: 8px;
            background: var(--success);
            border: 2px solid #c9f0df;
            border-radius: 50%;
            box-shadow: 0 0 0 4px var(--success-soft);
        }

        .hero h1 {
            max-width: 620px;
            margin-bottom: 24px;
            font-size: clamp(42px, 5.2vw, 64px);
            font-weight: 850;
        }

        .hero h1 span {
            color: var(--primary);
        }

        .hero-lead {
            max-width: 600px;
            margin-bottom: 30px;
            color: var(--text-secondary);
            font-size: 18px;
            line-height: 1.9;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 30px;
        }

        .btn {
            display: inline-flex;
            min-height: 48px;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 20px;
            border: 1px solid transparent;
            border-radius: 13px;
            font-weight: 750;
            line-height: 1.3;
            transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), color var(--transition);
        }

        .btn:hover {
            transform: translateY(-2px);
        }

        .btn-primary {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 10px 24px rgba(40, 120, 232, .22);
        }

        .btn-primary:hover {
            color: #fff;
            background: var(--primary-hover);
            box-shadow: 0 14px 30px rgba(40, 120, 232, .29);
        }

        .btn-secondary {
            color: var(--primary);
            background: #fff;
            border-color: #c9daed;
        }

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

        .btn-ghost {
            color: var(--text-secondary);
            background: transparent;
            border-color: var(--border);
        }

        .btn-ghost:hover {
            color: var(--primary);
            background: var(--primary-soft);
            border-color: #bad3f1;
        }

        .btn:active {
            transform: translateY(0) scale(.98);
        }

        .btn[disabled] {
            color: #9ba9ba;
            background: #e9eef4;
            box-shadow: none;
            cursor: not-allowed;
            transform: none;
        }

        .hero-kpis {
            display: flex;
            flex-wrap: wrap;
            gap: 14px 26px;
            padding: 0;
            list-style: none;
        }

        .hero-kpis li {
            position: relative;
            padding-left: 15px;
            color: var(--text-secondary);
            font-size: 14px;
        }

        .hero-kpis li::before {
            position: absolute;
            top: .7em;
            left: 0;
            width: 6px;
            height: 6px;
            background: var(--secondary);
            border-radius: 50%;
            content: "";
        }

        .cover-stage {
            position: relative;
            min-height: 550px;
        }

        .dp-cover {
            position: absolute;
            inset: 0 15px 24px 36px;
            overflow: hidden;
            background: #fff;
            border: 1px solid #d5e2f0;
            border-radius: var(--radius-xl);
            box-shadow: 0 30px 70px rgba(35, 79, 129, .16);
            transform: rotate(-2deg);
        }

        .cover-inner {
            height: 100%;
            padding: 28px;
            background:
                radial-gradient(circle at 87% 15%, rgba(233, 145, 56, .15), transparent 23%),
                linear-gradient(145deg, #ffffff 0%, #edf5ff 100%);
        }

        .cover-toolbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 15px;
            margin-bottom: 26px;
        }

        .cover-dots {
            display: flex;
            gap: 7px;
        }

        .cover-dots i {
            width: 8px;
            height: 8px;
            background: #cbd8e8;
            border-radius: 50%;
        }

        .cover-dots i:first-child {
            background: var(--secondary);
        }

        .cover-status {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 6px 10px;
            color: var(--success);
            background: var(--success-soft);
            border-radius: 99px;
            font-size: 12px;
            font-style: normal;
            font-weight: 700;
        }

        .cover-search {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 25px;
            padding: 15px 18px;
            background: #fff;
            border: 2px solid var(--primary);
            border-radius: 15px;
            box-shadow: 0 12px 30px rgba(40, 120, 232, .11);
        }

        .cover-search span {
            color: var(--text-secondary);
            font-size: 14px;
        }

        .cover-layout {
            display: grid;
            grid-template-columns: 128px 1fr;
            gap: 18px;
        }

        .cover-side {
            padding: 17px 13px;
            background: #f5f9fe;
            border: 1px solid var(--border);
            border-radius: 16px;
        }

        .cover-side b {
            display: block;
            margin-bottom: 14px;
            font-size: 13px;
        }

        .mini-filter {
            display: block;
            margin: 8px 0;
            padding: 8px 10px;
            color: var(--text-secondary);
            background: #fff;
            border: 1px solid transparent;
            border-radius: 8px;
            font-size: 12px;
        }

        .mini-filter.active {
            color: var(--primary);
            background: var(--primary-soft);
            border-color: #caddf4;
            font-weight: 700;
        }

        .cover-results {
            display: grid;
            gap: 13px;
        }

        .result-preview {
            display: grid;
            grid-template-columns: 56px 1fr auto;
            align-items: center;
            gap: 13px;
            padding: 12px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            box-shadow: var(--shadow-sm);
        }

        .preview-thumb {
            display: grid;
            width: 56px;
            height: 66px;
            place-items: center;
            color: var(--primary);
            background: linear-gradient(150deg, #dbeaff, #f5f9ff);
            border-radius: 10px;
            font-size: 20px;
            font-weight: 850;
        }

        .result-preview:nth-child(2) .preview-thumb {
            color: var(--secondary);
            background: var(--secondary-soft);
        }

        .result-preview:nth-child(3) .preview-thumb {
            color: var(--success);
            background: var(--success-soft);
        }

        .preview-copy b {
            display: block;
            margin-bottom: 4px;
            font-size: 13px;
        }

        .preview-copy small {
            display: block;
            color: var(--text-muted);
            font-size: 11px;
        }

        .preview-state {
            padding: 5px 8px;
            color: var(--primary);
            background: var(--primary-soft);
            border-radius: 99px;
            font-size: 10px;
            font-weight: 700;
        }

        .floating-card {
            position: absolute;
            z-index: 2;
            right: -8px;
            bottom: 0;
            width: 225px;
            padding: 18px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 17px;
            box-shadow: var(--shadow);
        }

        .floating-card strong {
            display: block;
            margin-bottom: 4px;
            font-size: 17px;
        }

        .floating-card span {
            color: var(--text-secondary);
            font-size: 13px;
        }

        .progress {
            overflow: hidden;
            height: 7px;
            margin-top: 12px;
            background: #e6edf6;
            border-radius: 99px;
        }

        .progress i {
            display: block;
            width: 76%;
            height: 100%;
            background: var(--secondary);
            border-radius: inherit;
        }

        .app-demo {
            display: grid;
            grid-template-columns: .9fr 1.1fr;
            align-items: center;
            gap: 70px;
        }

        .demo-copy p {
            max-width: 560px;
            font-size: 17px;
        }

        .demo-features {
            display: grid;
            gap: 13px;
            margin-top: 30px;
        }

        .feature-line {
            display: flex;
            align-items: flex-start;
            gap: 13px;
            padding: 14px 16px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 13px;
        }

        .feature-line i {
            display: grid;
            flex: 0 0 auto;
            width: 30px;
            height: 30px;
            place-items: center;
            color: var(--primary);
            background: var(--primary-soft);
            border-radius: 9px;
            font-style: normal;
            font-weight: 800;
        }

        .feature-line strong {
            display: block;
            margin-bottom: 3px;
            font-size: 15px;
        }

        .feature-line span {
            display: block;
            color: var(--text-secondary);
            font-size: 13px;
        }

        .demo-panel {
            padding: 26px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
        }

        .demo-panel-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 15px;
            margin-bottom: 20px;
        }

        .demo-panel-head strong {
            font-size: 18px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 10px;
            color: var(--primary);
            background: var(--primary-soft);
            border: 1px solid #d2e3f8;
            border-radius: 99px;
            font-size: 12px;
            font-weight: 750;
        }

        .badge-hot {
            color: var(--warning);
            background: var(--secondary-soft);
            border-color: #f4d8b9;
        }

        .badge-update {
            color: var(--success);
            background: var(--success-soft);
            border-color: #cdebdc;
        }

        .filter-row {
            display: flex;
            flex-wrap: wrap;
            gap: 9px;
            margin-bottom: 20px;
        }

        .filter-button {
            min-height: 39px;
            padding: 8px 14px;
            color: var(--text-secondary);
            background: #f4f7fb;
            border: 1px solid var(--border);
            border-radius: 10px;
            font-size: 13px;
            font-weight: 700;
        }

        .filter-button:hover,
        .filter-button.active {
            color: var(--primary);
            background: var(--primary-soft);
            border-color: #b9d4f3;
        }

        .demo-list {
            display: grid;
            gap: 10px;
        }

        .demo-item {
            display: grid;
            grid-template-columns: 42px 1fr auto;
            align-items: center;
            gap: 13px;
            padding: 14px;
            background: #f9fbfe;
            border: 1px solid #e4ebf4;
            border-radius: 12px;
        }

        .demo-number {
            display: grid;
            width: 42px;
            height: 42px;
            place-items: center;
            color: var(--primary);
            background: #fff;
            border: 1px solid #d7e4f3;
            border-radius: 11px;
            font-size: 13px;
            font-weight: 800;
        }

        .demo-item strong {
            display: block;
            font-size: 14px;
        }

        .demo-item small {
            color: var(--text-muted);
            font-size: 12px;
        }

        .demo-item em {
            color: var(--success);
            font-size: 12px;
            font-style: normal;
            font-weight: 700;
        }

        .steps-track {
            position: relative;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .steps-track::before {
            position: absolute;
            z-index: 0;
            top: 31px;
            right: 11%;
            left: 11%;
            height: 2px;
            background: #cddff3;
            content: "";
        }

        .step {
            position: relative;
            z-index: 1;
            padding: 0 14px 24px;
        }

        .step-number {
            display: grid;
            width: 62px;
            height: 62px;
            margin-bottom: 23px;
            place-items: center;
            color: var(--primary);
            background: #fff;
            border: 2px solid #bad4f3;
            border-radius: 18px;
            box-shadow: var(--shadow-sm);
            font-weight: 850;
        }

        .step:nth-child(2) .step-number {
            transform: translateY(12px);
        }

        .step:nth-child(3) .step-number {
            color: var(--secondary);
            border-color: #f0ceb0;
        }

        .step h3 {
            font-size: 19px;
        }

        .step p {
            margin-bottom: 11px;
            font-size: 14px;
        }

        .step-state {
            color: var(--text-muted);
            font-size: 12px;
            font-weight: 700;
        }

        .outcomes-grid {
            display: grid;
            grid-template-columns: 1.15fr .85fr;
            gap: 26px;
        }

        .metrics-board {
            padding: 32px;
            background: var(--text);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
        }

        .metrics-board h2,
        .metrics-board p {
            color: #fff;
        }

        .metrics-board p {
            color: #b9c8d9;
        }

        .metrics-track {
            display: grid;
            gap: 18px;
            margin-top: 30px;
        }

        .metric-row {
            display: grid;
            grid-template-columns: 120px 1fr 68px;
            align-items: center;
            gap: 15px;
        }

        .metric-row span {
            color: #d4deea;
            font-size: 13px;
        }

        .metric-bar {
            overflow: hidden;
            height: 9px;
            background: #2d4058;
            border-radius: 99px;
        }

        .metric-bar i {
            display: block;
            height: 100%;
            background: #69a9ff;
            border-radius: inherit;
        }

        .metric-row:nth-child(2) .metric-bar i {
            background: #edaa63;
        }

        .metric-row:nth-child(3) .metric-bar i {
            background: #55c794;
        }

        .metric-row strong {
            color: #fff;
            font-size: 13px;
            text-align: right;
        }

        .metrics-note {
            margin-top: 24px;
            padding-top: 18px;
            color: #92a5bb !important;
            border-top: 1px solid #30465f;
            font-size: 12px;
        }

        .update-board {
            display: grid;
            gap: 14px;
        }

        .update-card {
            padding: 21px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

        .update-card:hover {
            border-color: #b9d3f0;
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .update-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            margin-bottom: 11px;
        }

        .update-card strong {
            font-size: 17px;
        }

        .update-card p {
            margin-bottom: 12px;
            font-size: 14px;
        }

        .update-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--text-muted);
            font-size: 12px;
        }

        .voices {
            overflow: hidden;
        }

        .voice-scroll {
            display: flex;
            gap: 18px;
            overflow-x: auto;
            padding: 4px 2px 20px;
            scroll-snap-type: x mandatory;
            scrollbar-color: #bfd2e8 transparent;
            scrollbar-width: thin;
        }

        .voice-card {
            flex: 0 0 360px;
            padding: 24px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            scroll-snap-align: start;
        }

        .voice-top {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 18px;
        }

        .avatar {
            display: grid;
            flex: 0 0 auto;
            width: 42px;
            height: 42px;
            place-items: center;
            color: var(--primary);
            background: var(--primary-soft);
            border-radius: 50%;
            font-weight: 850;
        }

        .voice-top strong {
            display: block;
            font-size: 14px;
        }

        .voice-top span {
            display: block;
            color: var(--text-muted);
            font-size: 12px;
        }

        .voice-card blockquote {
            margin-bottom: 17px;
            color: var(--text-secondary);
            font-size: 15px;
        }

        .voice-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 7px;
        }

        .voice-tags span {
            padding: 5px 9px;
            color: var(--text-secondary);
            background: #f2f6fb;
            border-radius: 8px;
            font-size: 11px;
        }

        .cta-band {
            padding: 42px;
            background: #e8f3ff;
            border: 1px solid #cde0f6;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-sm);
        }

        .cta-grid {
            display: grid;
            grid-template-columns: .85fr 1.15fr;
            align-items: center;
            gap: 46px;
        }

        .cta-band h2 {
            margin-bottom: 12px;
            font-size: clamp(28px, 4vw, 40px);
        }

        .cta-band p {
            margin-bottom: 0;
        }

        .cta-search {
            padding: 10px 10px 10px 18px;
            background: #fff;
            border-radius: 17px;
            box-shadow: var(--shadow-sm);
        }

        .cta-search button {
            flex: 0 0 auto;
            min-height: 46px;
            padding: 10px 20px;
            color: #fff;
            background: var(--primary);
            border-radius: 12px;
            font-weight: 750;
        }

        .cta-search button:hover {
            background: var(--primary-hover);
        }

        .cta-note {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 18px;
            margin-top: 12px;
            color: var(--text-muted);
            font-size: 12px;
        }

        .zones-layout {
            display: grid;
            grid-template-columns: 1.2fr .8fr;
            gap: 24px;
        }

        .zone-main {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 17px;
        }

        .zone-card {
            position: relative;
            min-height: 188px;
            overflow: hidden;
            padding: 25px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

        .zone-card::after {
            position: absolute;
            right: -25px;
            bottom: -34px;
            width: 110px;
            height: 110px;
            background: var(--primary-soft);
            border-radius: 50%;
            content: "";
        }

        .zone-card:nth-child(2)::after,
        .zone-card:nth-child(3)::after {
            background: var(--secondary-soft);
        }

        .zone-card:hover {
            border-color: #b3cff0;
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .zone-index {
            display: inline-block;
            margin-bottom: 25px;
            color: var(--primary);
            font-size: 13px;
            font-weight: 850;
        }

        .zone-card h3 {
            position: relative;
            z-index: 1;
        }

        .zone-card p {
            position: relative;
            z-index: 1;
            margin-bottom: 0;
            font-size: 14px;
        }

        .zone-card-wide {
            grid-column: 1 / -1;
            min-height: 160px;
        }

        .category-spotlight {
            display: flex;
            min-height: 100%;
            flex-direction: column;
            justify-content: space-between;
            padding: 31px;
            color: #fff;
            background: var(--primary);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
        }

        .category-spotlight .badge {
            align-self: flex-start;
            color: #fff;
            background: rgba(255, 255, 255, .15);
            border-color: rgba(255, 255, 255, .25);
        }

        .category-spotlight h3 {
            margin-top: 70px;
            color: #fff;
            font-size: 29px;
        }

        .category-spotlight p {
            color: #d9e9ff;
        }

        .category-spotlight .btn {
            align-self: flex-start;
            color: var(--primary);
            background: #fff;
        }

        .category-spotlight .btn:hover {
            background: #edf5ff;
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1.25fr .75fr;
            gap: 36px;
        }

        .news-list {
            border-top: 1px solid var(--border);
        }

        .news-item {
            display: grid;
            grid-template-columns: 90px 1fr auto;
            align-items: center;
            gap: 20px;
            padding: 22px 6px;
            border-bottom: 1px solid var(--border);
        }

        .news-time {
            color: var(--text-muted);
            font-size: 13px;
        }

        .news-item a {
            font-weight: 750;
        }

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

        .news-item p {
            margin: 4px 0 0;
            font-size: 13px;
        }

        .news-arrow {
            display: grid;
            width: 36px;
            height: 36px;
            place-items: center;
            color: var(--primary);
            background: var(--primary-soft);
            border-radius: 10px;
        }

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

        .timeline-box h3 {
            margin-bottom: 22px;
        }

        .timeline {
            padding: 0;
            list-style: none;
        }

        .timeline li {
            position: relative;
            padding: 0 0 24px 27px;
            color: var(--text-secondary);
            font-size: 14px;
        }

        .timeline li:not(:last-child)::before {
            position: absolute;
            top: 13px;
            bottom: -2px;
            left: 6px;
            width: 1px;
            background: #c8d9ec;
            content: "";
        }

        .timeline li::after {
            position: absolute;
            top: 7px;
            left: 0;
            width: 13px;
            height: 13px;
            background: #fff;
            border: 3px solid var(--primary);
            border-radius: 50%;
            content: "";
        }

        .timeline strong {
            display: block;
            color: var(--text);
        }

        .timeline span {
            color: var(--text-muted);
            font-size: 12px;
        }

        .faq-layout {
            display: grid;
            grid-template-columns: .68fr 1.32fr;
            gap: 70px;
        }

        .faq-intro {
            position: sticky;
            top: 130px;
            align-self: start;
        }

        .faq-intro p {
            margin-bottom: 25px;
        }

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

        .faq-item {
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 15px;
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            width: 100%;
            min-height: 68px;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 18px 21px;
            color: var(--text);
            background: transparent;
            text-align: left;
            font-weight: 750;
        }

        .faq-question:hover {
            color: var(--primary);
            background: #f9fbfe;
        }

        .faq-plus {
            position: relative;
            flex: 0 0 auto;
            width: 27px;
            height: 27px;
            background: var(--primary-soft);
            border-radius: 8px;
        }

        .faq-plus::before,
        .faq-plus::after {
            position: absolute;
            top: 13px;
            left: 7px;
            width: 13px;
            height: 2px;
            background: var(--primary);
            content: "";
            transition: transform var(--transition);
        }

        .faq-plus::after {
            transform: rotate(90deg);
        }

        .faq-item.open .faq-plus::after {
            transform: rotate(0);
        }

        .faq-answer {
            display: grid;
            grid-template-rows: 0fr;
            transition: grid-template-rows .25s ease;
        }

        .faq-item.open .faq-answer {
            grid-template-rows: 1fr;
        }

        .faq-answer > div {
            overflow: hidden;
        }

        .faq-answer p {
            margin: 0;
            padding: 0 21px 21px;
            font-size: 14px;
            line-height: 1.9;
        }

        .search-message {
            display: none;
            margin-top: 14px;
            padding: 12px 14px;
            color: var(--text-secondary);
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 11px;
            font-size: 13px;
        }

        .search-message.show {
            display: block;
        }

        .search-message.error {
            color: var(--danger);
            border-color: #efc8cc;
            background: #fff8f8;
        }

        .site-footer {
            padding: 62px 0 24px;
            background: #edf4fc;
            border-top: 1px solid #dce7f3;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr .7fr .8fr;
            gap: 60px;
            padding-bottom: 40px;
        }

        .footer-brand p {
            max-width: 480px;
            margin: 18px 0 0;
            font-size: 14px;
        }

        .footer-title {
            margin-bottom: 16px;
            font-size: 15px;
            font-weight: 800;
        }

        .footer-links {
            display: grid;
            gap: 10px;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: 14px;
        }

        .footer-links a:hover,
        .footer-links a.active {
            color: var(--primary);
            transform: translateX(3px);
        }

        .footer-safe {
            padding: 17px;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, .68);
            border: 1px solid #d8e4f0;
            border-radius: 13px;
            font-size: 13px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding-top: 23px;
            color: var(--text-muted);
            border-top: 1px solid #d6e2ef;
            font-size: 12px;
        }

        .back-top {
            position: fixed;
            z-index: 50;
            right: 24px;
            bottom: 24px;
            display: grid;
            width: 46px;
            height: 46px;
            place-items: center;
            color: #fff;
            background: var(--primary);
            border-radius: 14px;
            box-shadow: 0 12px 26px rgba(40, 120, 232, .26);
            opacity: 0;
            pointer-events: none;
            transform: translateY(12px);
            transition: opacity var(--transition), transform var(--transition), background var(--transition);
        }

        .back-top.show {
            opacity: 1;
            pointer-events: auto;
            transform: translateY(0);
        }

        .back-top:hover {
            background: var(--primary-hover);
        }

        @media (max-width: 1100px) {
            .nav-wrap {
                grid-template-columns: 225px 1fr auto;
                gap: 16px;
            }

            .brand-note {
                display: none;
            }

            .nav-link {
                padding-inline: 10px;
            }

            .hero-grid {
                gap: 35px;
            }

            .cover-stage {
                min-height: 510px;
            }

            .cover-layout {
                grid-template-columns: 105px 1fr;
            }

            .app-demo {
                gap: 40px;
            }
        }

        @media (max-width: 900px) {
            :root {
                --section-space: 82px;
            }

            .nav-wrap {
                grid-template-columns: 1fr auto;
                min-height: 72px;
            }

            .nav-wrap > .nav-search {
                display: none;
            }

            .menu-toggle {
                display: block;
            }

            .main-nav {
                position: fixed;
                z-index: 110;
                top: 72px;
                right: 0;
                left: 0;
                display: grid;
                padding: 15px 20px 20px;
                background: #fff;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
                opacity: 0;
                pointer-events: none;
                transform: translateY(-12px);
                transition: opacity var(--transition), transform var(--transition);
            }

            .main-nav.open {
                opacity: 1;
                pointer-events: auto;
                transform: translateY(0);
            }

            .nav-link {
                padding: 13px 15px;
            }

            .mobile-search {
                display: block;
                padding: 0 0 12px;
            }

            .mobile-search .nav-search {
                background: #f5f8fc;
            }

            .hero {
                padding-top: 62px;
            }

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

            .hero-copy {
                max-width: 730px;
            }

            .cover-stage {
                min-height: 530px;
            }

            .dp-cover {
                inset: 0 35px 25px;
                transform: rotate(-1deg);
            }

            .app-demo,
            .outcomes-grid,
            .cta-grid,
            .zones-layout,
            .news-layout,
            .faq-layout {
                grid-template-columns: 1fr;
            }

            .app-demo {
                gap: 45px;
            }

            .steps-track {
                grid-template-columns: repeat(2, 1fr);
                row-gap: 32px;
            }

            .steps-track::before {
                display: none;
            }

            .step:nth-child(2) .step-number {
                transform: none;
            }

            .faq-intro {
                position: static;
            }

            .footer-grid {
                grid-template-columns: 1.2fr .8fr;
                gap: 40px;
            }

            .footer-grid > :last-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .container {
                width: min(calc(100% - 30px), var(--container));
            }

            .section {
                padding: var(--mobile-space) 0;
            }

            .section-head {
                display: block;
                margin-bottom: 32px;
            }

            .section-head .text-link {
                margin-top: 17px;
            }

            .hero {
                padding: 48px 0 76px;
            }

            .hero h1 {
                font-size: clamp(34px, 10vw, 48px);
            }

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

            .cover-stage {
                min-height: 470px;
            }

            .dp-cover {
                inset: 0 12px 20px;
            }

            .cover-inner {
                padding: 21px;
            }

            .cover-layout {
                grid-template-columns: 92px 1fr;
                gap: 12px;
            }

            .result-preview {
                grid-template-columns: 48px 1fr;
            }

            .preview-thumb {
                width: 48px;
                height: 57px;
            }

            .preview-state {
                display: none;
            }

            .floating-card {
                right: 0;
                width: 205px;
            }

            .metric-row {
                grid-template-columns: 95px 1fr 54px;
            }

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

            .zone-card-wide {
                grid-column: auto;
            }

            .category-spotlight h3 {
                margin-top: 38px;
            }

            .news-item {
                grid-template-columns: 72px 1fr auto;
                gap: 12px;
            }

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

            .footer-grid > :last-child {
                grid-column: auto;
            }

            .footer-bottom {
                align-items: flex-start;
                flex-direction: column;
                gap: 8px;
            }
        }

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

            h2 {
                font-size: 29px;
            }

            .brand-mark {
                width: 40px;
                height: 40px;
                border-radius: 12px;
            }

            .brand-name {
                max-width: 225px;
                font-size: 14px;
            }

            .mobile-search .nav-search {
                padding-left: 12px;
            }

            .nav-search button[type="submit"] {
                padding-inline: 13px;
            }

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

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

            .hero-kpis {
                display: grid;
                gap: 8px;
            }

            .cover-stage {
                min-height: 425px;
                margin-inline: -5px;
            }

            .dp-cover {
                right: 0;
                left: 0;
                border-radius: 22px;
            }

            .cover-inner {
                padding: 17px;
            }

            .cover-search {
                padding: 12px 14px;
            }

            .cover-side {
                display: none;
            }

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

            .result-preview {
                padding: 9px;
            }

            .floating-card {
                right: 4px;
                bottom: -8px;
                width: 185px;
                padding: 14px;
            }

            .demo-panel,
            .metrics-board,
            .timeline-box {
                padding: 21px;
            }

            .demo-item {
                grid-template-columns: 38px 1fr;
            }

            .demo-item em {
                grid-column: 2;
            }

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

            .step {
                display: grid;
                grid-template-columns: 54px 1fr;
                column-gap: 16px;
                padding: 0;
            }

            .step-number {
                grid-row: 1 / 4;
                width: 54px;
                height: 54px;
                margin: 0;
                border-radius: 15px;
            }

            .metric-row {
                grid-template-columns: 1fr 45px;
            }

            .metric-row span {
                grid-column: 1 / -1;
            }

            .voice-card {
                flex-basis: 86vw;
            }

            .cta-band {
                padding: 29px 20px;
                border-radius: 22px;
            }

            .cta-search {
                display: grid;
                grid-template-columns: auto 1fr;
            }

            .cta-search button {
                grid-column: 1 / -1;
                width: 100%;
            }

            .zone-card,
            .category-spotlight {
                padding: 22px;
            }

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

            .news-time {
                grid-column: 1 / -1;
            }

            .faq-question {
                padding-inline: 17px;
            }

            .faq-answer p {
                padding-inline: 17px;
            }

            .back-top {
                right: 15px;
                bottom: 15px;
            }
        }

/* roulang page: category1 */
:root{
 --primary:#2878e8;--primary-hover:#1764ce;--primary-soft:#eaf3ff;--primary-pale:#f4f8ff;
 --secondary:#e99138;--secondary-soft:#fff4e7;--page-bg:#f6f9fd;--surface:#fff;--surface-alt:#edf4fc;
 --text:#172a43;--text-secondary:#5d7089;--text-muted:#8291a5;--border:#dce6f1;--border-strong:#bed2ea;
 --success:#17885b;--success-soft:#e8f7f0;--warning:#b66a18;--danger:#c64a55;
 --radius-sm:10px;--radius:16px;--radius-lg:24px;--radius-xl:32px;
 --shadow-sm:0 8px 24px rgba(37,75,118,.07);--shadow:0 18px 48px rgba(37,75,118,.11);
 --shadow-hover:0 22px 52px rgba(34,88,150,.16);--container:1220px;--section-space:82px;--mobile-space:68px;
 --transition:.22s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:120px}
body{margin:0;color:var(--text);background:var(--page-bg);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none;transition:color var(--transition),background-color var(--transition),border-color var(--transition),transform var(--transition),box-shadow var(--transition)}
button,input{font:inherit}button{border:0;cursor:pointer}img,svg{display:block;max-width:100%}
.container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}
.section{padding:var(--section-space) 0}.section--white{background:var(--surface)}.section--blue{background:var(--primary-pale);border-block:1px solid #e4edf8}
h1,h2,h3,p{margin-top:0}h1{margin-bottom:20px;font-size:clamp(34px,5vw,58px);line-height:1.2;letter-spacing:-.04em}h2{margin-bottom:14px;font-size:clamp(27px,3vw,40px);line-height:1.3;letter-spacing:-.025em}h3{margin-bottom:8px;font-size:20px;line-height:1.4}
.eyebrow{display:inline-flex;align-items:center;gap:9px;margin-bottom:16px;color:var(--primary);font-size:14px;font-weight:750;letter-spacing:.08em}.eyebrow:before{width:24px;height:3px;border-radius:99px;background:var(--secondary);content:""}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:34px;margin-bottom:40px}.section-head>div:first-child{max-width:720px}.section-head p{max-width:680px;margin-bottom:0;color:var(--text-secondary);font-size:17px}
.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:700}.text-link:hover{color:var(--primary-hover);transform:translateX(3px)}
.site-header{position:sticky;z-index:100;top:0;background:rgba(255,255,255,.97);border-bottom:1px solid var(--border);box-shadow:0 6px 24px rgba(46,80,120,.05)}
.nav-wrap{display:grid;grid-template-columns:minmax(230px,.85fr) minmax(300px,1.35fr) auto;align-items:center;gap:26px;min-height:84px}
.brand{display:inline-flex;align-items:center;gap:12px;min-width:0}.brand-mark{display:grid;flex:0 0 auto;width:44px;height:44px;place-items:center;color:#fff;background:var(--primary);border-radius:14px;box-shadow:0 9px 22px rgba(40,120,232,.23);font-size:17px;font-weight:800}.brand-copy{min-width:0}.brand-name{display:block;overflow:hidden;color:var(--text);font-size:16px;font-weight:800;line-height:1.25;text-overflow:ellipsis;white-space:nowrap}.brand-note{display:block;margin-top:2px;color:var(--text-muted);font-size:12px;line-height:1.4}
.nav-search,.page-search{display:flex;align-items:center;gap:10px;padding:7px 7px 7px 15px;background:#f5f8fc;border:1px solid var(--border);border-radius:15px;transition:border-color var(--transition),box-shadow var(--transition),background var(--transition)}.nav-search:focus-within,.page-search:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(40,120,232,.1)}
.search-icon{flex:0 0 auto;width:20px;height:20px;color:var(--text-muted)}.nav-search input,.page-search input{width:100%;min-width:0;padding:7px 0;color:var(--text);background:transparent;border:0;outline:0}.nav-search input::placeholder,.page-search input::placeholder{color:var(--text-muted)}.search-submit{padding:9px 16px;color:#fff;background:var(--primary);border-radius:10px;font-size:14px;font-weight:700;transition:var(--transition)}.search-submit:hover{background:var(--primary-hover);transform:translateY(-1px)}.nav-search kbd{padding:2px 6px;color:var(--text-muted);background:#fff;border:1px solid var(--border);border-radius:5px;font-size:11px}
.main-nav{display:flex;justify-content:flex-end;gap:5px}.nav-link{padding:9px 12px;color:var(--text-secondary);border-radius:10px;font-size:14px;font-weight:700;white-space:nowrap}.nav-link:hover{color:var(--primary);background:var(--primary-soft)}.nav-link.active{color:var(--primary);background:var(--primary-soft)}
.mobile-menu{display:none;padding:9px 11px;color:var(--text);background:var(--primary-soft);border-radius:10px;font-weight:700}
.category-hero{padding:74px 0 58px;background:linear-gradient(180deg,#fff 0%,var(--primary-pale) 100%);border-bottom:1px solid var(--border)}
.category-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;align-items:end;gap:70px}.category-hero p{max-width:720px;color:var(--text-secondary);font-size:18px}.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}.badge,.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;color:var(--primary);background:var(--primary-soft);border-radius:8px;font-size:13px;font-weight:700}.badge.orange,.tag.orange{color:var(--warning);background:var(--secondary-soft)}.badge.green{color:var(--success);background:var(--success-soft)}
.quick-panel{padding:24px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;color:var(--text-secondary);font-size:13px}.panel-count{color:var(--text);font-size:28px;font-weight:800}.status-line{display:flex;align-items:center;gap:9px;margin:12px 0;color:var(--text-secondary);font-size:14px}.status-dot{width:9px;height:9px;background:var(--success);border-radius:50%;box-shadow:0 0 0 5px var(--success-soft)}.progress{height:7px;overflow:hidden;background:#e8eff7;border-radius:99px}.progress span{display:block;width:72%;height:100%;background:var(--primary);border-radius:inherit}
.filter-area{padding:34px 0 24px;background:#fff;border-bottom:1px solid var(--border)}.filter-bar{display:grid;grid-template-columns:1.3fr auto;gap:20px;align-items:center}.filter-group{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.filter-label{margin-right:6px;color:var(--text-muted);font-size:13px;font-weight:700}.filter-btn{padding:8px 13px;color:var(--text-secondary);background:#f5f8fc;border:1px solid transparent;border-radius:9px;font-size:14px;transition:var(--transition)}.filter-btn:hover{color:var(--primary);border-color:var(--border-strong)}.filter-btn.active{color:var(--primary);background:var(--primary-soft);border-color:#c8def8;font-weight:700}.sort-select{padding:10px 13px;color:var(--text-secondary);background:#fff;border:1px solid var(--border);border-radius:10px;outline:0}.sort-select:focus,.filter-btn:focus,.btn:focus,.search-submit:focus{outline:3px solid rgba(40,120,232,.24);outline-offset:2px}
.index-section{padding:62px 0 92px}.index-layout{display:grid;grid-template-columns:230px 1fr;gap:42px}.side-rail{position:sticky;top:112px;align-self:start;padding:20px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.rail-title{margin-bottom:14px;font-size:15px;font-weight:800}.rail-item{display:flex;justify-content:space-between;padding:10px 0;color:var(--text-secondary);border-bottom:1px solid #edf2f7;font-size:14px}.rail-item:last-child{border-bottom:0}.rail-item strong{color:var(--primary)}
.result-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.result-head h2{margin:0;font-size:24px}.result-note{color:var(--text-muted);font-size:13px}
.result-list{display:grid;gap:16px}.result-card{display:grid;grid-template-columns:150px 1fr auto;gap:22px;align-items:center;padding:18px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:var(--transition)}.result-card:hover{border-color:#b7d5f6;box-shadow:var(--shadow-hover);transform:translateY(-3px)}.result-card:nth-child(even){grid-template-columns:110px 1fr auto}.cover{height:108px;overflow:hidden;background:linear-gradient(135deg,#dcecff,#f7faff);border-radius:12px;position:relative}.result-card:nth-child(even) .cover{height:86px}.cover:after{position:absolute;inset:auto 12px 10px 12px;height:4px;background:var(--primary);border-radius:9px;content:"";opacity:.8}.cover-label{position:absolute;top:12px;left:12px;color:var(--primary);font-size:12px;font-weight:800;letter-spacing:.08em}.result-info h3{margin:10px 0 5px;font-size:19px}.result-info p{margin:0;color:var(--text-secondary);font-size:14px}.result-time{margin-top:9px;color:var(--text-muted);font-size:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:11px 16px;color:#fff;background:var(--primary);border-radius:10px;font-size:14px;font-weight:750;white-space:nowrap;transition:var(--transition)}.btn:hover{background:var(--primary-hover);box-shadow:0 8px 18px rgba(40,120,232,.2);transform:translateY(-2px)}.btn.secondary{color:var(--primary);background:var(--primary-soft)}.btn.secondary:hover{background:#d9eaff}.btn.small{padding:8px 12px;font-size:13px}
.timeline{margin:38px 0 0 8px;padding-left:25px;border-left:2px solid #d5e5f7}.timeline-row{position:relative;padding:0 0 27px}.timeline-row:before{position:absolute;left:-32px;top:7px;width:12px;height:12px;background:var(--primary);border:3px solid #d8eaff;border-radius:50%;content:""}.timeline-row:last-child{padding-bottom:0}.timeline-date{color:var(--primary);font-size:13px;font-weight:800}.timeline-row p{margin:3px 0 0;color:var(--text-secondary);font-size:14px}
.tip-section{background:var(--surface-alt);border-block:1px solid var(--border)}.tip-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:start}.tip-copy p{color:var(--text-secondary)}.tip-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.tip-item{padding:18px;background:#fff;border:1px solid var(--border);border-radius:14px}.tip-item strong{display:block;margin-bottom:5px}.tip-item span{color:var(--text-secondary);font-size:14px}
.faq-section{background:#fff}.faq-list{max-width:900px;margin:0 auto;border-top:1px solid var(--border)}details{padding:20px 0;border-bottom:1px solid var(--border)}summary{display:flex;justify-content:space-between;gap:20px;cursor:pointer;list-style:none;font-weight:750}summary::-webkit-details-marker{display:none}summary:after{color:var(--primary);font-size:22px;content:"＋"}details[open] summary:after{content:"－"}details p{max-width:760px;margin:12px 0 0;color:var(--text-secondary);font-size:15px}
.cta-section{padding:70px 0}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:34px 40px;background:var(--primary-soft);border:1px solid #cfe2f8;border-radius:var(--radius-lg)}.cta-box h2{margin-bottom:8px}.cta-box p{margin:0;color:var(--text-secondary)}
.site-footer{padding:56px 0 22px;background:#edf4fc;border-top:1px solid var(--border)}.footer-grid{display:grid;grid-template-columns:1.4fr .7fr .9fr;gap:55px}.footer-brand p{max-width:420px;margin:18px 0 0;color:var(--text-secondary);font-size:14px}.footer-title{margin-bottom:14px;font-size:14px;font-weight:800}.footer-links{display:grid;gap:9px;color:var(--text-secondary);font-size:14px}.footer-links a:hover,.footer-links a.active{color:var(--primary)}.footer-safe{padding:13px 15px;color:var(--text-secondary);background:#fff;border:1px solid var(--border);border-radius:12px;font-size:13px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:42px;padding-top:18px;color:var(--text-muted);border-top:1px solid var(--border);font-size:12px}
.empty-state{display:none;padding:35px;text-align:center;color:var(--text-secondary);background:#fff;border:1px dashed var(--border-strong);border-radius:var(--radius)}
@media(max-width:1024px){.nav-wrap{grid-template-columns:220px 1fr}.main-nav{grid-column:1/-1;justify-content:flex-start;padding-bottom:12px}.category-hero-grid{gap:35px}.index-layout{grid-template-columns:190px 1fr}}
@media(max-width:768px){:root{--section-space:68px}.container{width:min(calc(100% - 28px),var(--container))}.nav-wrap{display:grid;grid-template-columns:1fr auto;gap:13px;padding:12px 0}.brand-name{font-size:14px}.mobile-menu{display:block}.main-nav{display:none;grid-column:1/-1;overflow-x:auto;justify-content:flex-start;padding:0 0 3px}.main-nav.is-open{display:flex}.nav-search{grid-column:1/-1;grid-row:2}.nav-search kbd{display:none}.category-hero{padding:55px 0 42px}.category-hero-grid{grid-template-columns:1fr}.category-hero p{font-size:16px}.filter-bar{grid-template-columns:1fr}.filter-group{overflow-x:auto;flex-wrap:nowrap;padding-bottom:5px}.filter-btn{flex:0 0 auto}.index-layout{grid-template-columns:1fr}.side-rail{position:static}.rail-list{display:flex;gap:9px;overflow-x:auto}.rail-item{flex:0 0 auto;padding:8px 11px;border:1px solid var(--border);border-radius:8px}.result-card,.result-card:nth-child(even){grid-template-columns:92px 1fr}.result-card .btn{grid-column:2;justify-self:start}.cover,.result-card:nth-child(even) .cover{height:105px}.tip-grid{grid-template-columns:1fr;gap:25px}.cta-box{align-items:flex-start;flex-direction:column;padding:28px}.footer-grid{grid-template-columns:1fr 1fr;gap:32px}.footer-brand{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:5px}}
@media(max-width:480px){h1{font-size:34px}.section-head{display:block;margin-bottom:28px}.section-head .text-link{margin-top:15px}.result-card,.result-card:nth-child(even){grid-template-columns:78px 1fr;gap:13px;padding:13px}.cover,.result-card:nth-child(even) .cover{height:94px}.result-info h3{font-size:16px}.result-info p{font-size:13px;line-height:1.55}.result-card .btn{grid-column:1/-1;width:100%}.tip-list{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-bottom{margin-top:30px}.brand-mark{width:40px;height:40px}}