/* roulang page: index */
:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-soft: #dbeafe;
            --secondary: #0ea5e9;
            --accent: #f59e0b;
            --accent-soft: #fff7ed;
            --success: #16a34a;
            --danger: #ef4444;
            --ink: #102033;
            --muted: #657386;
            --light-muted: #91a0b4;
            --bg: #f6f9ff;
            --surface: #ffffff;
            --surface-2: #f8fbff;
            --dark-panel: #07182f;
            --dark-panel-2: #0b2242;
            --border: #dde7f5;
            --border-strong: #c8d7ee;
            --radius-sm: 12px;
            --radius-md: 18px;
            --radius-lg: 28px;
            --radius-pill: 999px;
            --shadow-sm: 0 8px 22px rgba(15, 39, 80, .08);
            --shadow-md: 0 18px 45px rgba(20, 45, 91, .12);
            --shadow-lg: 0 30px 90px rgba(12, 30, 62, .18);
            --container: 1180px;
            --nav-h: 74px;
            --trans: .22s ease;
        }

        * {
            box-sizing: border-box;
        }

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

        body {
            margin: 0;
            font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            color: var(--ink);
            background:
                radial-gradient(circle at 8% 6%, rgba(37, 99, 235, .10), transparent 28%),
                radial-gradient(circle at 92% 18%, rgba(14, 165, 233, .11), transparent 30%),
                linear-gradient(180deg, #f8fbff 0%, #ffffff 42%, #f6f9ff 100%);
            line-height: 1.72;
            overflow-x: hidden;
        }

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

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

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

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(37, 99, 235, .25);
            outline-offset: 3px;
        }

        .container-xl {
            max-width: var(--container);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1020;
            min-height: var(--nav-h);
            border-bottom: 1px solid rgba(221, 231, 245, .88);
            background: rgba(255, 255, 255, .88);
            backdrop-filter: blur(18px);
            box-shadow: 0 10px 30px rgba(20, 45, 91, .06);
        }

        .navbar {
            min-height: var(--nav-h);
            padding: 0;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-weight: 900;
            color: var(--ink);
            letter-spacing: -.02em;
        }

        .brand-mark {
            width: 42px;
            height: 42px;
            display: grid;
            place-items: center;
            flex: 0 0 auto;
            border-radius: 14px;
            color: #fff;
            background:
                linear-gradient(135deg, var(--primary), var(--secondary)),
                radial-gradient(circle at 30% 20%, rgba(255, 255, 255, .65), transparent 35%);
            box-shadow: 0 14px 32px rgba(37, 99, 235, .24);
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.08;
        }

        .brand-text strong {
            font-size: 16px;
            white-space: nowrap;
        }

        .brand-text span {
            margin-top: 3px;
            font-size: 12px;
            color: var(--muted);
            font-weight: 700;
        }

        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: 13px;
            padding: 9px 11px;
            box-shadow: none !important;
        }

        .navbar-nav {
            gap: 8px;
        }

        .nav-link {
            padding: 10px 14px !important;
            border-radius: var(--radius-pill);
            color: #35465b;
            font-size: 14px;
            font-weight: 800;
        }

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

        .nav-search {
            position: relative;
            width: 205px;
        }

        .nav-search i {
            position: absolute;
            left: 13px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--light-muted);
            font-size: 13px;
        }

        .nav-search input {
            width: 100%;
            height: 40px;
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            background: #f8fbff;
            padding: 0 14px 0 36px;
            color: var(--ink);
            font-size: 13px;
            transition: border-color var(--trans), box-shadow var(--trans), background var(--trans);
        }

        .nav-search input:focus {
            border-color: rgba(37, 99, 235, .45);
            box-shadow: 0 0 0 4px rgba(37, 99, 235, .10);
            background: #fff;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: 12px;
        }

        .btn-modern {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 44px;
            padding: 11px 18px;
            border-radius: var(--radius-pill);
            border: 1px solid transparent;
            font-size: 14px;
            font-weight: 900;
            line-height: 1.1;
            transition: transform var(--trans), box-shadow var(--trans), background var(--trans), border-color var(--trans), color var(--trans);
            cursor: pointer;
            user-select: none;
        }

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

        .btn-primary-modern {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            box-shadow: 0 14px 34px rgba(37, 99, 235, .26);
        }

        .btn-primary-modern:hover {
            color: #fff;
            box-shadow: 0 18px 44px rgba(37, 99, 235, .34);
        }

        .btn-ghost-modern {
            color: var(--primary);
            border-color: rgba(37, 99, 235, .18);
            background: rgba(37, 99, 235, .07);
        }

        .btn-ghost-modern:hover {
            color: var(--primary-dark);
            border-color: rgba(37, 99, 235, .34);
            background: #fff;
            box-shadow: var(--shadow-sm);
        }

        .btn-white-modern {
            color: var(--dark-panel);
            background: #fff;
            box-shadow: 0 18px 38px rgba(0, 0, 0, .18);
        }

        .btn-white-modern:hover {
            color: var(--primary);
            background: #f8fbff;
        }

        .btn-dark-outline {
            color: #dce9ff;
            border-color: rgba(255, 255, 255, .22);
            background: rgba(255, 255, 255, .08);
        }

        .btn-dark-outline:hover {
            color: #fff;
            border-color: rgba(255, 255, 255, .42);
            background: rgba(255, 255, 255, .14);
        }

        main {
            position: relative;
        }

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

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

        .section-title {
            margin: 0;
            color: var(--ink);
            font-size: clamp(28px, 3vw, 44px);
            font-weight: 950;
            letter-spacing: -.04em;
            line-height: 1.18;
        }

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

        .hero {
            padding: 42px 0 72px;
        }

        .hero-shell {
            overflow: hidden;
            border-radius: 34px;
            background:
                linear-gradient(135deg, rgba(7, 24, 47, .98), rgba(11, 34, 66, .98)),
                radial-gradient(circle at 18% 14%, rgba(59, 130, 246, .45), transparent 34%),
                radial-gradient(circle at 84% 22%, rgba(14, 165, 233, .35), transparent 28%);
            box-shadow: var(--shadow-lg);
            color: #fff;
            position: relative;
        }

        .hero-shell::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
            background-size: 42px 42px;
            mask-image: linear-gradient(90deg, rgba(0, 0, 0, .9), rgba(0, 0, 0, .38));
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            padding: clamp(34px, 5vw, 64px);
        }

        .promo-ribbon {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            padding: 8px 13px;
            border: 1px solid rgba(255, 255, 255, .18);
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, .10);
            color: #dce9ff;
            font-size: 13px;
            font-weight: 850;
            margin-bottom: 22px;
        }

        .promo-ribbon b {
            color: #fff;
        }

        .hero h1 {
            max-width: 720px;
            margin: 0;
            font-size: clamp(36px, 5.4vw, 68px);
            font-weight: 950;
            line-height: 1.04;
            letter-spacing: -.055em;
        }

        .hero-lead {
            max-width: 690px;
            margin: 22px 0 0;
            color: #c8d8ee;
            font-size: 17px;
            line-height: 1.92;
        }

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

        .hero-metrics {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 12px;
            max-width: 700px;
            margin-top: 32px;
        }

        .metric-tile {
            padding: 16px;
            border: 1px solid rgba(255, 255, 255, .13);
            border-radius: 20px;
            background: rgba(255, 255, 255, .08);
        }

        .metric-tile strong {
            display: block;
            font-size: 25px;
            line-height: 1;
            font-weight: 950;
        }

        .metric-tile span {
            display: block;
            margin-top: 8px;
            color: #b4c8e5;
            font-size: 13px;
            font-weight: 700;
        }

        .hero-board {
            height: 100%;
            min-height: 420px;
            padding: clamp(24px, 3vw, 42px);
            background:
                linear-gradient(180deg, rgba(255, 255, 255, .10), rgba(255, 255, 255, .045)),
                radial-gradient(circle at 40% 12%, rgba(96, 165, 250, .22), transparent 32%);
            border-left: 1px solid rgba(255, 255, 255, .12);
            position: relative;
            z-index: 1;
        }

        .board-card {
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 26px;
            background: rgba(255, 255, 255, .10);
            box-shadow: 0 20px 70px rgba(0, 0, 0, .28);
            backdrop-filter: blur(16px);
            overflow: hidden;
        }

        .board-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 18px 12px;
            border-bottom: 1px solid rgba(255, 255, 255, .11);
        }

        .board-head strong {
            font-size: 16px;
            font-weight: 950;
        }

        .live-dot {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 6px 10px;
            border-radius: var(--radius-pill);
            color: #fecaca;
            background: rgba(239, 68, 68, .16);
            font-size: 12px;
            font-weight: 900;
        }

        .live-dot::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #ef4444;
            box-shadow: 0 0 0 7px rgba(239, 68, 68, .16);
        }

        .rank-list {
            list-style: none;
            padding: 8px 18px 18px;
            margin: 0;
        }

        .rank-item {
            display: grid;
            grid-template-columns: 34px minmax(0, 1fr) auto;
            gap: 12px;
            align-items: center;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, .09);
        }

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

        .rank-num {
            width: 30px;
            height: 30px;
            display: grid;
            place-items: center;
            border-radius: 10px;
            color: #fff;
            background: rgba(255, 255, 255, .13);
            font-weight: 950;
        }

        .rank-main b {
            display: block;
            color: #fff;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            font-size: 14px;
        }

        .rank-main span {
            display: block;
            color: #a9bfdc;
            font-size: 12px;
            margin-top: 3px;
        }

        .rank-score {
            color: #bfdbfe;
            font-weight: 950;
            font-size: 13px;
        }

        .board-foot {
            margin-top: 16px;
            display: grid;
            grid-template-columns: 1.15fr .85fr;
            gap: 14px;
        }

        .mini-chart,
        .mini-notice {
            padding: 18px;
            border-radius: 22px;
            border: 1px solid rgba(255, 255, 255, .12);
            background: rgba(255, 255, 255, .08);
        }

        .bars {
            display: flex;
            align-items: end;
            gap: 8px;
            height: 82px;
            margin-top: 16px;
        }

        .bars i {
            flex: 1;
            border-radius: 10px 10px 4px 4px;
            background: linear-gradient(180deg, #60a5fa, #2563eb);
            opacity: .88;
        }

        .mini-notice strong,
        .mini-chart strong {
            display: block;
            font-weight: 950;
            color: #fff;
        }

        .mini-notice p {
            margin: 9px 0 0;
            font-size: 13px;
            color: #bdd0e9;
        }

        .soft-bg {
            background: linear-gradient(180deg, rgba(246, 249, 255, .35), rgba(255, 255, 255, .9));
        }

        .pain-layout {
            display: grid;
            grid-template-columns: .95fr 1.05fr;
            gap: 26px;
            align-items: stretch;
            margin-top: 34px;
        }

        .pain-panel {
            padding: 30px;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            background: var(--surface);
            box-shadow: var(--shadow-md);
        }

        .pain-panel.dark {
            color: #fff;
            background:
                radial-gradient(circle at 15% 0%, rgba(96, 165, 250, .28), transparent 30%),
                linear-gradient(135deg, #0b2242, #07182f);
            border-color: rgba(255, 255, 255, .12);
        }

        .pain-panel h3 {
            margin: 0 0 14px;
            font-weight: 950;
            letter-spacing: -.03em;
        }

        .pain-panel p {
            color: var(--muted);
            margin: 0;
        }

        .pain-panel.dark p {
            color: #c7d7ed;
        }

        .signal-list {
            margin-top: 22px;
            display: grid;
            gap: 13px;
        }

        .signal-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px;
            border-radius: 18px;
            background: #f7faff;
            border: 1px solid var(--border);
        }

        .signal-item i {
            width: 32px;
            height: 32px;
            display: grid;
            place-items: center;
            flex: 0 0 auto;
            border-radius: 11px;
            color: var(--primary);
            background: var(--primary-soft);
        }

        .signal-item b {
            display: block;
            line-height: 1.25;
            font-weight: 950;
        }

        .signal-item span {
            display: block;
            margin-top: 4px;
            color: var(--muted);
            font-size: 13px;
        }

        .demo-window {
            margin-top: 20px;
            border-radius: 22px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, .12);
            background: rgba(255, 255, 255, .06);
        }

        .demo-toolbar {
            display: flex;
            gap: 7px;
            padding: 14px;
            border-bottom: 1px solid rgba(255, 255, 255, .10);
        }

        .demo-toolbar i {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .35);
        }

        .demo-lines {
            padding: 18px;
            display: grid;
            gap: 12px;
        }

        .demo-line {
            height: 12px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .16);
        }

        .demo-line:nth-child(1) { width: 78%; }
        .demo-line:nth-child(2) { width: 94%; }
        .demo-line:nth-child(3) { width: 62%; }
        .demo-line:nth-child(4) { width: 86%; }

        .steps-strip {
            margin-top: 34px;
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 18px;
        }

        .step-card {
            position: relative;
            padding: 28px;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            background: #fff;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: transform var(--trans), box-shadow var(--trans), border-color var(--trans);
        }

        .step-card:hover {
            transform: translateY(-6px);
            border-color: rgba(37, 99, 235, .28);
            box-shadow: var(--shadow-md);
        }

        .step-card::after {
            content: attr(data-step);
            position: absolute;
            right: 22px;
            top: 14px;
            color: rgba(37, 99, 235, .09);
            font-size: 58px;
            font-weight: 950;
            line-height: 1;
        }

        .step-icon {
            width: 52px;
            height: 52px;
            display: grid;
            place-items: center;
            border-radius: 18px;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            box-shadow: 0 16px 30px rgba(37, 99, 235, .22);
            margin-bottom: 20px;
        }

        .step-card h3 {
            margin: 0 0 10px;
            font-size: 21px;
            font-weight: 950;
            letter-spacing: -.02em;
        }

        .step-card p {
            margin: 0;
            color: var(--muted);
            font-size: 14px;
        }

        .news-section {
            background: #fff;
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1.35fr .65fr;
            gap: 24px;
            margin-top: 34px;
        }

        .news-list,
        .recommend-card {
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            background: var(--surface);
            box-shadow: var(--shadow-sm);
        }

        .news-list {
            overflow: hidden;
        }

        .news-item {
            display: grid;
            grid-template-columns: 112px minmax(0, 1fr) auto;
            gap: 16px;
            align-items: center;
            padding: 20px 22px;
            border-bottom: 1px solid var(--border);
        }

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

        .news-date {
            color: var(--primary);
            font-weight: 950;
            font-size: 13px;
        }

        .news-item a {
            display: block;
            font-weight: 950;
            color: var(--ink);
            letter-spacing: -.01em;
        }

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

        .news-item p {
            margin: 5px 0 0;
            color: var(--muted);
            font-size: 13px;
        }

        .news-arrow {
            width: 36px;
            height: 36px;
            display: grid;
            place-items: center;
            border-radius: 12px;
            color: var(--primary);
            background: var(--primary-soft);
        }

        .recommend-card {
            padding: 24px;
            position: sticky;
            top: calc(var(--nav-h) + 18px);
        }

        .recommend-card h3 {
            margin: 0 0 12px;
            font-weight: 950;
            letter-spacing: -.02em;
        }

        .calendar-list {
            display: grid;
            gap: 12px;
            margin: 18px 0 0;
        }

        .calendar-item {
            display: grid;
            grid-template-columns: 54px minmax(0, 1fr);
            gap: 12px;
            align-items: center;
            padding: 12px;
            border-radius: 18px;
            border: 1px solid var(--border);
            background: #f8fbff;
        }

        .calendar-day {
            height: 50px;
            display: grid;
            place-items: center;
            border-radius: 15px;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            font-weight: 950;
            line-height: 1.05;
            text-align: center;
            font-size: 13px;
        }

        .calendar-item b {
            display: block;
            font-size: 14px;
            line-height: 1.28;
        }

        .calendar-item span {
            display: block;
            color: var(--muted);
            font-size: 12px;
            margin-top: 3px;
        }

        .start-panel {
            border-radius: 34px;
            padding: clamp(28px, 4vw, 46px);
            color: #fff;
            background:
                radial-gradient(circle at 12% 10%, rgba(96, 165, 250, .35), transparent 28%),
                radial-gradient(circle at 88% 34%, rgba(245, 158, 11, .24), transparent 26%),
                linear-gradient(135deg, #09203f, #07182f);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
        }

        .start-grid {
            display: grid;
            grid-template-columns: .95fr 1.05fr;
            gap: 26px;
            align-items: stretch;
        }

        .start-panel .section-kicker {
            color: #bfdbfe;
            background: rgba(255, 255, 255, .10);
            border: 1px solid rgba(255, 255, 255, .12);
        }

        .start-panel .section-title {
            color: #fff;
        }

        .start-panel .section-desc {
            color: #c3d5ed;
        }

        .entry-matrix {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 14px;
        }

        .entry-card {
            padding: 18px;
            min-height: 130px;
            border: 1px solid rgba(255, 255, 255, .13);
            border-radius: 22px;
            background: rgba(255, 255, 255, .08);
            transition: transform var(--trans), background var(--trans), border-color var(--trans);
        }

        .entry-card:hover {
            transform: translateY(-4px);
            background: rgba(255, 255, 255, .12);
            border-color: rgba(255, 255, 255, .25);
        }

        .entry-card i {
            color: #93c5fd;
            font-size: 20px;
            margin-bottom: 12px;
        }

        .entry-card b {
            display: block;
            color: #fff;
            font-weight: 950;
        }

        .entry-card span {
            display: block;
            color: #b8cce7;
            font-size: 13px;
            margin-top: 6px;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 16px;
            margin-top: 34px;
        }

        .feature-card {
            padding: 24px;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            background: #fff;
            box-shadow: var(--shadow-sm);
            transition: transform var(--trans), box-shadow var(--trans), border-color var(--trans);
        }

        .feature-card:hover {
            transform: translateY(-5px);
            border-color: rgba(37, 99, 235, .28);
            box-shadow: var(--shadow-md);
        }

        .feature-card i {
            width: 46px;
            height: 46px;
            display: grid;
            place-items: center;
            border-radius: 16px;
            color: var(--primary);
            background: var(--primary-soft);
            margin-bottom: 16px;
        }

        .feature-card h3 {
            margin: 0 0 8px;
            font-size: 18px;
            font-weight: 950;
        }

        .feature-card p {
            margin: 0;
            color: var(--muted);
            font-size: 13px;
        }

        .hot-topic-wrap {
            display: grid;
            grid-template-columns: .78fr 1.22fr;
            gap: 24px;
            align-items: stretch;
            margin-top: 34px;
        }

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

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

        .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 13px;
            border-radius: var(--radius-pill);
            color: #36506e;
            background: #f7faff;
            border: 1px solid var(--border);
            font-size: 13px;
            font-weight: 850;
        }

        .tag-pill:hover {
            color: var(--primary);
            border-color: rgba(37, 99, 235, .26);
            background: var(--primary-soft);
            transform: translateY(-2px);
        }

        .case-card {
            padding: 26px;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            background:
                linear-gradient(180deg, #ffffff, #f8fbff);
            box-shadow: var(--shadow-sm);
        }

        .case-list {
            display: grid;
            gap: 14px;
            margin-top: 18px;
        }

        .case-row {
            display: grid;
            grid-template-columns: 42px minmax(0, 1fr) auto;
            gap: 12px;
            align-items: center;
            padding: 14px;
            border-radius: 18px;
            background: #fff;
            border: 1px solid var(--border);
        }

        .case-row i {
            width: 42px;
            height: 42px;
            display: grid;
            place-items: center;
            border-radius: 14px;
            color: var(--primary);
            background: var(--primary-soft);
        }

        .case-row b {
            display: block;
            font-weight: 950;
            line-height: 1.2;
        }

        .case-row span {
            display: block;
            color: var(--muted);
            font-size: 12px;
            margin-top: 4px;
        }

        .case-stat {
            color: var(--success);
            font-weight: 950;
            white-space: nowrap;
        }

        .pricing-area {
            background: linear-gradient(180deg, #f8fbff, #fff);
        }

        .promo-cards {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 18px;
            margin-top: 34px;
        }

        .price-card {
            position: relative;
            padding: 28px;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            background: #fff;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: transform var(--trans), box-shadow var(--trans), border-color var(--trans);
        }

        .price-card:hover {
            transform: translateY(-6px);
            border-color: rgba(37, 99, 235, .30);
            box-shadow: var(--shadow-md);
        }

        .price-card.featured {
            border-color: rgba(37, 99, 235, .35);
            box-shadow: 0 22px 58px rgba(37, 99, 235, .14);
        }

        .corner-badge {
            position: absolute;
            right: -34px;
            top: 22px;
            transform: rotate(36deg);
            width: 138px;
            padding: 5px 0;
            text-align: center;
            color: #fff;
            background: var(--accent);
            font-size: 12px;
            font-weight: 950;
        }

        .price-card h3 {
            margin: 0 0 10px;
            font-weight: 950;
        }

        .price {
            display: flex;
            align-items: end;
            gap: 6px;
            margin: 18px 0;
        }

        .price strong {
            font-size: 38px;
            font-weight: 950;
            letter-spacing: -.04em;
        }

        .price span {
            color: var(--muted);
            font-size: 13px;
            margin-bottom: 7px;
        }

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

        .check-list {
            list-style: none;
            padding: 0;
            margin: 18px 0 0;
            display: grid;
            gap: 10px;
        }

        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: #40546b;
            font-size: 14px;
        }

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

        .compare-box {
            margin-top: 24px;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            background: #fff;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 720px;
        }

        .compare-table th,
        .compare-table td {
            padding: 16px 18px;
            border-bottom: 1px solid var(--border);
            text-align: left;
            font-size: 14px;
        }

        .compare-table th {
            color: var(--ink);
            background: #f5f8ff;
            font-weight: 950;
        }

        .compare-table td {
            color: var(--muted);
        }

        .compare-table tr:last-child td {
            border-bottom: 0;
        }

        .table-scroll {
            overflow-x: auto;
        }

        .reward-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 22px;
            margin-top: 34px;
            align-items: stretch;
        }

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

        .reward-items {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 13px;
            margin-top: 18px;
        }

        .reward-item {
            padding: 16px;
            border-radius: 20px;
            background: var(--accent-soft);
            border: 1px solid #fed7aa;
        }

        .reward-item i {
            color: var(--accent);
            font-size: 20px;
            margin-bottom: 10px;
        }

        .reward-item b {
            display: block;
            font-weight: 950;
            line-height: 1.25;
        }

        .reward-item span {
            display: block;
            color: #8a5a20;
            font-size: 12px;
            margin-top: 5px;
        }

        .progress-card {
            padding: 28px;
            border: 1px solid rgba(37, 99, 235, .18);
            border-radius: var(--radius-lg);
            background:
                radial-gradient(circle at 92% 14%, rgba(37, 99, 235, .11), transparent 30%),
                #fff;
            box-shadow: var(--shadow-sm);
        }

        .task-line {
            display: grid;
            gap: 14px;
            margin-top: 20px;
        }

        .task-row {
            display: grid;
            grid-template-columns: auto minmax(0, 1fr) auto;
            gap: 12px;
            align-items: center;
        }

        .task-row span:first-child {
            width: 30px;
            height: 30px;
            display: grid;
            place-items: center;
            border-radius: 50%;
            color: #fff;
            background: var(--primary);
            font-weight: 950;
            font-size: 12px;
        }

        .task-row b {
            font-size: 14px;
        }

        .task-row em {
            color: var(--muted);
            font-size: 12px;
            font-style: normal;
            white-space: nowrap;
        }

        .consult-wrap {
            display: grid;
            grid-template-columns: .92fr 1.08fr;
            gap: 28px;
            align-items: stretch;
        }

        .consult-card,
        .form-card {
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            background: #fff;
            box-shadow: var(--shadow-md);
            padding: 30px;
        }

        .consult-card {
            background:
                radial-gradient(circle at 18% 12%, rgba(37, 99, 235, .12), transparent 30%),
                linear-gradient(180deg, #fff, #f8fbff);
        }

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

        .agenda-item {
            display: grid;
            grid-template-columns: 74px minmax(0, 1fr);
            gap: 14px;
            padding: 15px;
            border-radius: 20px;
            background: #fff;
            border: 1px solid var(--border);
        }

        .agenda-time {
            color: var(--primary);
            font-weight: 950;
            font-size: 13px;
        }

        .agenda-item b {
            display: block;
            line-height: 1.25;
        }

        .agenda-item span {
            display: block;
            color: var(--muted);
            font-size: 12px;
            margin-top: 4px;
        }

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

        .form-control,
        .form-select {
            min-height: 46px;
            border: 1px solid var(--border);
            border-radius: 15px;
            background: #f8fbff;
            color: var(--ink);
            box-shadow: none !important;
            transition: border-color var(--trans), background var(--trans), box-shadow var(--trans);
        }

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

        .form-control:focus,
        .form-select:focus {
            border-color: rgba(37, 99, 235, .45);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(37, 99, 235, .10) !important;
        }

        .privacy-tip {
            margin: 12px 0 0;
            color: var(--muted);
            font-size: 12px;
        }

        .faq-section {
            padding-top: 64px;
        }

        .faq-wrap {
            display: grid;
            grid-template-columns: .72fr 1.28fr;
            gap: 28px;
            align-items: start;
        }

        .faq-note {
            padding: 26px;
            border-radius: var(--radius-lg);
            background: var(--dark-panel);
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        .faq-note p {
            color: #c3d5ed;
            margin: 12px 0 0;
        }

        .accordion {
            display: grid;
            gap: 14px;
        }

        .accordion-item {
            border: 1px solid var(--border) !important;
            border-radius: 20px !important;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: #fff;
        }

        .accordion-button {
            padding: 20px 22px;
            color: var(--ink);
            background: #fff;
            font-weight: 950;
            box-shadow: none !important;
        }

        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: #f7faff;
        }

        .accordion-body {
            padding: 0 22px 22px;
            color: var(--muted);
            font-size: 14px;
        }

        .final-cta {
            padding: 64px 0 86px;
        }

        .final-card {
            display: grid;
            grid-template-columns: minmax(0, 1fr) auto;
            gap: 24px;
            align-items: center;
            padding: clamp(28px, 4vw, 46px);
            border-radius: 34px;
            color: #fff;
            background:
                radial-gradient(circle at 12% 10%, rgba(255, 255, 255, .20), transparent 28%),
                linear-gradient(135deg, var(--primary), #0f3b91);
            box-shadow: var(--shadow-lg);
        }

        .final-card h2 {
            margin: 0;
            font-size: clamp(26px, 3.2vw, 42px);
            font-weight: 950;
            letter-spacing: -.04em;
        }

        .final-card p {
            margin: 12px 0 0;
            color: #dce9ff;
            max-width: 760px;
        }

        .site-footer {
            background: #07182f;
            color: #b9cbe4;
            padding: 54px 0 28px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1fr .7fr .7fr;
            gap: 32px;
            padding-bottom: 34px;
            border-bottom: 1px solid rgba(255, 255, 255, .10);
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            font-weight: 950;
            margin-bottom: 14px;
        }

        .footer-brand .brand-mark {
            width: 40px;
            height: 40px;
            box-shadow: none;
        }

        .footer-desc {
            max-width: 560px;
            color: #a8bdd8;
            margin: 0;
            font-size: 14px;
        }

        .footer-col h3 {
            color: #fff;
            margin: 0 0 14px;
            font-size: 16px;
            font-weight: 950;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 9px;
        }

        .footer-links a {
            color: #a8bdd8;
            font-size: 14px;
        }

        .footer-links a:hover {
            color: #fff;
            transform: translateX(2px);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 18px;
            flex-wrap: wrap;
            padding-top: 22px;
            color: #8ba2c0;
            font-size: 13px;
        }

        .float-cta {
            position: fixed;
            left: 50%;
            bottom: 18px;
            transform: translateX(-50%);
            z-index: 1010;
            display: none;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border: 1px solid rgba(37, 99, 235, .18);
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(14px);
            box-shadow: 0 16px 46px rgba(20, 45, 91, .20);
        }

        .float-cta span {
            color: var(--ink);
            font-size: 13px;
            font-weight: 900;
            white-space: nowrap;
        }

        @media (max-width: 1199px) {
            .nav-search {
                width: 170px;
            }

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

        @media (max-width: 991px) {
            section {
                padding: 64px 0;
            }

            .navbar-collapse {
                padding: 16px 0 18px;
            }

            .nav-search {
                width: 100%;
                margin: 12px 0;
            }

            .nav-actions {
                margin-left: 0;
                flex-wrap: wrap;
            }

            .hero-board {
                border-left: 0;
                border-top: 1px solid rgba(255, 255, 255, .12);
                min-height: auto;
            }

            .pain-layout,
            .news-layout,
            .start-grid,
            .hot-topic-wrap,
            .reward-grid,
            .consult-wrap,
            .faq-wrap {
                grid-template-columns: 1fr;
            }

            .recommend-card {
                position: static;
            }

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

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

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

        @media (max-width: 767px) {
            .hero {
                padding-top: 24px;
            }

            .hero-content,
            .hero-board {
                padding: 28px;
            }

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

            .hero-metrics,
            .steps-strip,
            .entry-matrix,
            .feature-grid,
            .reward-items {
                grid-template-columns: 1fr;
            }

            .news-item {
                grid-template-columns: 1fr auto;
                gap: 8px 12px;
            }

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

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

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

            .float-cta {
                display: inline-flex;
                width: calc(100% - 28px);
                justify-content: space-between;
            }
        }

        @media (max-width: 520px) {
            .brand-text strong {
                font-size: 14px;
                max-width: 190px;
                overflow: hidden;
                text-overflow: ellipsis;
            }

            .brand-text span {
                display: none;
            }

            .btn-modern {
                width: 100%;
                min-height: 46px;
            }

            .hero-actions .btn-modern,
            .final-card .btn-modern,
            .nav-actions .btn-modern {
                width: 100%;
            }

            .metric-tile strong {
                font-size: 22px;
            }

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

            .pain-panel,
            .consult-card,
            .form-card,
            .reward-box,
            .progress-card {
                padding: 22px;
                border-radius: 24px;
            }

            .case-row {
                grid-template-columns: 42px 1fr;
            }

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

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

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}