:root {
            --bg-deep: #050B14;
            --bg-surface: #0B1624;
            --bg-card: rgba(13, 27, 44, 0.86);
            --bg-card-hover: rgba(18, 39, 63, 0.94);
            --gold: #1CA8FF;
            --gold-light: #61B7FF;
            --gold-dim: rgba(28, 168, 255, 0.15);
            --blue-accent: #2B8CFF;
            --blue-glow: rgba(28, 168, 255, 0.25);
            --cyan: #38BDF8;
            --green: #34D399;
            --red: #F87171;
            --purple: #A78BFA;
            --text-primary: #EEF7FF;
            --text-secondary: #8EA7BD;
            --text-dim: #587086;
            --border: rgba(67, 164, 255, 0.18);
            --border-hover: rgba(67, 164, 255, 0.42);
            --radius: 14px;
            --radius-sm: 8px;
            --shadow-card: 0 4px 24px rgba(0,0,0,0.34), 0 1px 2px rgba(28,168,255,0.10);
            --shadow-card-hover: 0 8px 40px rgba(0,0,0,0.46), 0 2px 14px rgba(28,168,255,0.20);
        }

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

        html { scroll-padding-top: 100px; scroll-behavior: smooth; background: var(--bg-deep); }

        body {
            font-family: 'DM Sans', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: var(--bg-deep);
            color: var(--text-primary);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
            font-feature-settings: "ss01", "cv01", "cv03", "tnum";
            font-optical-sizing: auto;
        }

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            opacity: 0.03;
            transform: translateZ(0);
            will-change: transform;
            background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
            pointer-events: none;
            z-index: 0;
        }

        .bg-mesh {
            position: fixed;
            inset: 0;
            z-index: 0;
            transform: translateZ(0);
            will-change: transform;
            background:
                radial-gradient(ellipse 80% 60% at 20% 10%, rgba(28,168,255,0.06) 0%, transparent 70%),
                radial-gradient(ellipse 60% 80% at 80% 90%, rgba(74,144,226,0.05) 0%, transparent 70%),
                radial-gradient(ellipse 50% 50% at 50% 50%, rgba(26,34,54,0.5) 0%, transparent 80%);
            pointer-events: none;
        }

        .geo-accent {
            position: fixed;
            inset: 0;
            pointer-events: none;
            z-index: 0;
            transform: translateZ(0);
            will-change: transform;
            opacity: 0.04;
        }

        .geo-accent svg { width: 100%; height: 100%; }

        .dashboard {
            position: relative;
            z-index: 1;
            padding: 105px 48px 32px;
            max-width: 1600px;
            margin: 0 auto;
        }

        /* ═══ HEADER ═══ */
        .header {
            position: fixed;
            top: 0; left: 0; right: 0;
            width: 100%;
            z-index: 1000;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 48px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-width: 0 0 1px 0;
            border-radius: 0;
            margin-bottom: 0;
            box-shadow: var(--shadow-card);
        }

        .header-left { display: flex; align-items: center; gap: 18px; }

        .logo-mark {
            width: 48px; height: 48px;
            background: linear-gradient(135deg, var(--gold), var(--gold-light));
            border-radius: 11px;
            display: flex; align-items: center; justify-content: center;
            font-family: 'Sora', 'Noto Sans SC', 'PingFang SC', sans-serif;
            font-weight: 800; font-size: 20px;
            color: var(--bg-deep);
            letter-spacing: -1px;
            position: relative;
            flex-shrink: 0;
        }

        .logo-mark::after {
            content: '';
            position: absolute;
            inset: -3px;
            border-radius: 14px;
            border: 1.5px solid var(--gold);
            opacity: 0.4;
        }

        .brand-title {
            font-family: 'Sora', 'Noto Sans SC', 'PingFang SC', sans-serif;
            font-size: 28px; font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.5px;
        }

        .brand-subtitle {
            font-family: 'JetBrains Mono', monospace;
            font-size: 11px;
            color: var(--gold);
            letter-spacing: 2px;
            font-weight: 500;
            margin-top: 4px;
            text-align: left;
        }

        .header-right { display: flex; align-items: center; gap: 24px; }

        .live-badge {
            display: flex; align-items: center; gap: 8px;
            padding: 6px 14px;
            background: rgba(52,211,153,0.1);
            border: 1px solid rgba(52,211,153,0.25);
            border-radius: 20px;
            font-family: 'JetBrains Mono', monospace;
            font-size: 11px;
            color: var(--green);
            letter-spacing: 1px;
        }

        .live-dot {
            width: 7px; height: 7px;
            background: var(--green);
            border-radius: 50%;
            animation: livePulse 2s ease-in-out infinite;
        }

        @keyframes livePulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(0.8); }
        }

        .clock-block { text-align: right; }
        .clock-time {
            font-family: 'JetBrains Mono', monospace;
            font-size: 18px; font-weight: 700;
            color: var(--gold-light);
            letter-spacing: 2px;
        }
        .clock-date {
            font-family: 'JetBrains Mono', monospace;
            font-size: 11px;
            color: var(--text-dim);
            letter-spacing: 1px;
            margin-top: 1px;
        }

        /* ═══ OVERVIEW BANNER ═══ */
        .overview-banner {
            background: linear-gradient(135deg, var(--bg-card) 0%, rgba(28,168,255,0.08) 100%);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 32px;
            margin-bottom: 22px;
            box-shadow: var(--shadow-card);
            display: grid;
            grid-template-columns: 1.3fr 0.7fr;
            gap: 28px;
            position: relative;
        }

        .overview-banner::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--gold), transparent);
            opacity: 0.3;
        }

        .overview-text h2 {
            font-family: 'Sora', 'Noto Sans SC', 'PingFang SC', sans-serif;
            font-size: 26px; font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -1px;
            margin-bottom: 12px;
        }

        .overview-text h2 .gold { color: var(--gold); }

        .overview-text p {
            font-size: 13.5px; line-height: 1.7;
            color: var(--text-secondary);
            margin-bottom: 10px;
        }

        .overview-text p strong { color: var(--gold-light); font-weight: 600; }

        .mini-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            margin-top: 16px;
        }

        .mini-stat {
            background: rgba(28,168,255,0.06);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px;
            text-align: center;
            transition: all 0.3s;
        }

        .mini-stat:hover {
            border-color: var(--border-hover);
            background: rgba(28,168,255,0.1);
        }

        .mini-stat-val {
            font-family: 'JetBrains Mono', monospace;
            font-size: 20px; font-weight: 700;
            color: var(--gold-light);
        }

        .mini-stat-label {
            font-size: 10px;
            color: var(--text-dim);
            margin-top: 3px;
            letter-spacing: 1px;
        }

        .focus-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }

        .focus-tag {
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 11px; font-weight: 500;
            border: 1px solid;
            transition: all 0.2s;
        }

        .focus-tag:hover { transform: translateY(-1px); }
        .focus-tag.t-gold { background: var(--gold-dim); border-color: rgba(28,168,255,0.25); color: var(--gold-light); }
        .focus-tag.t-blue { background: var(--blue-glow); border-color: rgba(74,144,226,0.25); color: var(--cyan); }
        .focus-tag.t-green { background: rgba(52,211,153,0.1); border-color: rgba(52,211,153,0.25); color: var(--green); }
        .focus-tag.t-purple { background: rgba(167,139,250,0.1); border-color: rgba(167,139,250,0.25); color: var(--purple); }
        .focus-tag.t-red { background: rgba(248,113,113,0.1); border-color: rgba(248,113,113,0.25); color: var(--red); }

        .overview-right { display: flex; flex-direction: column; gap: 14px; }

        .type-chart-box, .core-metrics-box {
            background: rgba(28,168,255,0.04);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 14px;
        }

        .type-chart-box .label, .core-metrics-box .label {
            font-size: 11px;
            color: var(--text-dim);
            letter-spacing: 1px;
            margin-bottom: 10px;
            font-family: 'JetBrains Mono', monospace;
        }

        .chart-box { position: relative; height: 200px; width: 100%; }
        .chart-box-lg { height: 280px; }

        .core-metrics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
        }

        .core-metric { text-align: center; padding: 8px 0; }

        .core-metric-val {
            font-family: 'JetBrains Mono', monospace;
            font-size: 16px; font-weight: 700;
            color: var(--gold-light);
        }

        .core-metric-label {
            font-size: 10px;
            color: var(--text-dim);
            margin-top: 3px;
            letter-spacing: 1px;
        }

        /* ═══ GRID ═══ */
        .grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 18px;
        }

        .col-3 { grid-column: span 3; }
        .col-4 { grid-column: span 4; }
        .col-5 { grid-column: span 5; }
        .col-6 { grid-column: span 6; }
        .col-7 { grid-column: span 7; }
        .col-8 { grid-column: span 8; }
        .col-12 { grid-column: span 12; }

        /* ═══ CARD ═══ */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 22px;
            box-shadow: var(--shadow-card);
            transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }

        .card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            background: var(--bg-card-hover);
        }

        .card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 1px;
            background: linear-gradient(90deg, var(--gold), var(--gold-light), transparent);
            opacity: 0.35;
        }

        .card-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 16px;
        }

        .card-label {
            font-family: 'Sora', 'Noto Sans SC', 'PingFang SC', sans-serif;
            font-size: 13px; font-weight: 600;
            color: var(--text-secondary);
            display: flex; align-items: center; gap: 8px;
            letter-spacing: 0.3px;
        }

        .card-label .icon {
            width: 28px; height: 28px;
            border-radius: 7px;
            background: var(--gold-dim);
            display: flex; align-items: center; justify-content: center;
            font-size: 14px;
        }

        .card-badge {
            font-family: 'JetBrains Mono', monospace;
            font-size: 10px;
            padding: 4px 10px;
            border-radius: 6px;
            background: var(--gold-dim);
            color: var(--gold);
            border: 1px solid rgba(28,168,255,0.2);
            letter-spacing: 1.5px;
        }

        /* ═══ KPI ═══ */
        .kpi-num {
            font-family: 'Sora', 'Noto Sans SC', 'PingFang SC', sans-serif;
            font-size: 36px; font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -1px;
            margin: 6px 0;
            line-height: 1;
        }

        .kpi-num .unit {
            font-size: 14px; font-weight: 500;
            color: var(--text-dim);
            margin-left: 4px;
            letter-spacing: 0;
        }

        .kpi-desc { font-size: 13px; color: var(--text-secondary); }

        .kpi-trend {
            font-family: 'JetBrains Mono', monospace;
            font-size: 11px;
            margin-top: 8px;
            display: flex; align-items: center; gap: 4px;
        }

        .kpi-trend.up { color: var(--green); }
        .kpi-trend.stable { color: var(--gold); }

        .bar-track {
            height: 4px;
            background: rgba(255,255,255,0.04);
            border-radius: 2px;
            margin-top: 10px;
            overflow: hidden;
        }

        .bar-fill {
            height: 100%;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--gold), var(--gold-light));
            transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ═══ TAG GRID ═══ */
        .tag-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 8px;
        }

        .tag-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 9px 12px;
            background: rgba(28,168,255,0.04);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: all 0.2s;
        }

        .tag-row:hover {
            border-color: var(--border-hover);
            background: rgba(28,168,255,0.08);
        }

        .tag-row-name { font-size: 12px; color: var(--text-primary); }

        .tag-row-val {
            font-family: 'JetBrains Mono', monospace;
            font-size: 14px; font-weight: 700;
            color: var(--gold-light);
        }

        /* ═══ TERMINAL ═══ */
        .terminal {
            font-family: 'JetBrains Mono', monospace;
            font-size: 12px; line-height: 2;
            color: var(--text-dim);
        }

        .terminal .cmd { color: var(--gold); }
        .terminal .val { color: var(--text-primary); }
        .terminal .hl { color: var(--cyan); }

        /* ═══ UPDATE LIST ═══ */
        .updates { max-height: 380px; overflow-y: auto; }

        .updates::-webkit-scrollbar { width: 3px; }
        .updates::-webkit-scrollbar-track { background: transparent; }
        .updates::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 3px; }

        .update-row {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 9px 0;
            border-bottom: 1px solid rgba(255,255,255,0.04);
            transition: all 0.2s;
        }

        .update-row:hover {
            background: rgba(28,168,255,0.04);
            margin: 0 -22px;
            padding: 9px 22px;
            border-radius: 8px;
        }

        .update-row:last-child { border-bottom: none; }

        .update-type {
            width: 7px; height: 7px;
            border-radius: 50%;
            margin-top: 5px;
            flex-shrink: 0;
        }

        .update-type.pdf { background: var(--red); }
        .update-type.article { background: var(--cyan); }
        .update-type.image { background: var(--gold); }
        .update-type.note { background: var(--green); }

        .update-title {
            font-size: 13px; font-weight: 500;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .update-meta {
            font-family: 'JetBrains Mono', monospace;
            font-size: 11px;
            color: var(--text-dim);
            margin-top: 2px;
        }

        /* ═══ METRIC BOXES ═══ */
        .metric-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .metric-card {
            background: rgba(28,168,255,0.04);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 14px;
            transition: all 0.3s;
        }

        .metric-card:hover { border-color: var(--border-hover); }

        .metric-label { font-size: 11px; color: var(--text-dim); letter-spacing: 1px; }

        .metric-val {
            font-family: 'Sora', 'Noto Sans SC', 'PingFang SC', sans-serif;
            font-size: 22px; font-weight: 700;
            color: var(--gold-light);
            margin-top: 4px;
            letter-spacing: -0.5px;
        }

        .metric-trend { font-size: 11px; margin-top: 4px; color: var(--green); }

        /* ═══ FOOTER ═══ */
        .footer {
            text-align: center;
            padding: 24px;
            font-family: 'JetBrains Mono', monospace;
            font-size: 11px;
            color: var(--text-dim);
            letter-spacing: 1px;
            border-top: 1px solid var(--border);
            margin-top: 24px;
        }

        .footer .gold-text { color: var(--gold); }
        .footer-sub-line { margin-top: 4px; }
        .footer-sub-dim { opacity: 0.6; }
        .section-mt { margin-top: 24px; }
        .orders-actions-center { text-align: center; margin-top: 16px; }
        .sticky-price { opacity: .7; }
        .pay-amount-display { font-size: 24px; color: var(--gold-light); }
        .pay-network-label { margin-top: 12px; }
        .text-green { color: var(--green); }
        .text-red { color: var(--red); }
        .sticky-order-btn { width: auto; padding: 12px 28px; }
        .copy-address-btn { margin-top: 10px; }

        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: var(--bg-deep); }
        ::-webkit-scrollbar-thumb { background: rgba(28,168,255,0.3); border-radius: 3px; }

        /* ═══ STAGGER ═══ */
        .stagger {
            opacity: 0;
            transform: translateY(16px);
            animation: staggerIn 0.6s ease forwards;
        }

        @keyframes staggerIn { to { opacity: 1; transform: translateY(0); } }
        .s1 { animation-delay: 0.05s; }
        .s2 { animation-delay: 0.1s; }
        .s3 { animation-delay: 0.15s; }
        .s4 { animation-delay: 0.2s; }
        .s5 { animation-delay: 0.25s; }
        .s6 { animation-delay: 0.3s; }
        .s7 { animation-delay: 0.35s; }
        .s8 { animation-delay: 0.4s; }
        .s9 { animation-delay: 0.45s; }
        .s10 { animation-delay: 0.5s; }

        .corner-mark { position: absolute; width: 14px; height: 14px; }
        .corner-mark.tl { top: -1px; left: -1px; border-top: 2px solid var(--gold); border-left: 2px solid var(--gold); opacity: 0.3; }
        .corner-mark.tr { top: -1px; right: -1px; border-top: 2px solid var(--gold); border-right: 2px solid var(--gold); opacity: 0.3; }
        .corner-mark.bl { bottom: -1px; left: -1px; border-bottom: 2px solid var(--gold); border-left: 2px solid var(--gold); opacity: 0.3; }
        .corner-mark.br { bottom: -1px; right: -1px; border-bottom: 2px solid var(--gold); border-right: 2px solid var(--gold); opacity: 0.3; }

        /* PC: extra breathing room between fixed header and top nav */
        @media (min-width: 769px) {
            .dashboard { padding-top: 132px; }
        }

        /* ═══════════════════════════════════════ */
        /* ═══ TABLET (<=1200px) ═══ */
        /* ═══════════════════════════════════════ */
        @media (max-width: 1200px) {
            .dashboard { padding: 105px 20px 24px; }
            .header { padding: 18px 28px; }
            .grid { grid-template-columns: repeat(6, 1fr); }
            .overview-banner { grid-template-columns: 1fr; }
            .col-3 { grid-column: span 3; }
            .col-4, .col-5, .col-7, .col-8 { grid-column: span 6; }
            .col-6 { grid-column: span 6; }
        }

        /* ═══════════════════════════════════════ */
        /* ═══ MOBILE (<=768px) ═══ */
        /* ═══════════════════════════════════════ */
        @media (max-width: 768px) {
            .dashboard { padding: 95px 12px 24px; }

            /* ── Header: 紧凑横排 ── */
            .header {
                padding: 14px 16px;
                border-radius: 0;
                border-width: 0 0 1px 0;
                margin-bottom: 0;
            }
            .header-left { gap: 12px; }
            .logo-mark { width: 40px; height: 40px; font-size: 16px; border-radius: 9px; }
            .logo-mark::after { inset: -2px; border-radius: 11px; }
            .brand-title { font-size: 20px; line-height: 1.2; }
            .brand-subtitle { font-size: 8px; letter-spacing: 1px; }
            .header-right { gap: 10px; }
            .live-badge { padding: 4px 8px; font-size: 8px; gap: 5px; }
            .live-dot { width: 5px; height: 5px; }
            .clock-time { font-size: 13px; letter-spacing: 1px; }
            .clock-date { font-size: 8px; }

            /* ── Top Nav: 移动端横向滚动 ── */
            .top-nav {
                padding: 6px 10px;
                gap: 2px;
                border-radius: 10px;
                margin-bottom: 10px;
            }
            .top-nav a {
                padding: 6px 12px;
                font-size: 12px;
            }
            .top-nav .nav-cta {
                padding: 6px 14px;
                font-size: 12px;
            }
            .top-nav a.active::after { display: none; }

            /* ── 概览区: 精简为 Hero ── */
            .overview-banner {
                grid-template-columns: 1fr;
                padding: 20px 18px;
                margin-bottom: 12px;
                gap: 16px;
                border-radius: 12px;
            }
            .overview-text h2 { font-size: 20px; margin-bottom: 10px; }
            .overview-text p { font-size: 12px; line-height: 1.6; margin-bottom: 8px; }
            .overview-text p:last-of-type { display: none; }
            .focus-tags { display: none; }

            .mini-stats {
                grid-template-columns: repeat(4, 1fr);
                gap: 6px;
                margin-top: 14px;
            }
            .mini-stat { padding: 10px 4px; border-radius: 8px; }
            .mini-stat-val { font-size: 15px; }
            .mini-stat-label { font-size: 8px; letter-spacing: 0.5px; }

            .overview-right { gap: 12px; }
            .type-chart-box, .core-metrics-box { border-radius: 10px; padding: 12px; }
            .type-chart-box .label, .core-metrics-box .label { font-size: 10px; margin-bottom: 8px; }
            .chart-box { height: 150px; }
            .core-metrics-grid { gap: 6px; }
            .core-metric-val { font-size: 14px; }
            .core-metric-label { font-size: 8px; }

            /* ── KPI: 2×2 紧凑网格 ── */
            .grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .card.col-3 {
                grid-column: span 1;
                padding: 16px 14px;
                border-radius: 12px;
            }
            .card.col-3 .card-head { margin-bottom: 8px; }
            .card.col-3 .card-label { font-size: 10px; gap: 5px; }
            .card.col-3 .card-label .icon { width: 22px; height: 22px; font-size: 11px; border-radius: 5px; }
            .card.col-3 .card-badge { display: none; }
            .card.col-3 .kpi-num { font-size: 24px; margin: 4px 0; }
            .card.col-3 .kpi-num .unit { font-size: 11px; }
            .card.col-3 .kpi-desc { font-size: 10px; }
            .card.col-3 .kpi-trend { font-size: 9px; margin-top: 6px; }
            .card.col-3 .bar-track { margin-top: 8px; }
            .card.col-3 .corner-mark { width: 10px; height: 10px; }

            /* ── 其余卡片全宽 ── */
            .card.col-4, .card.col-5, .card.col-6, .card.col-7, .card.col-8, .card.col-12 {
                grid-column: span 2;
            }

            .card { padding: 18px 16px; border-radius: 12px; }
            .card-head { margin-bottom: 14px; }
            .card-label { font-size: 12px; gap: 6px; }
            .card-label .icon { width: 24px; height: 24px; font-size: 12px; }
            .card-badge { font-size: 9px; padding: 3px 8px; }
            .corner-mark { width: 12px; height: 12px; }

            /* ── 图表区 ── */
            .chart-box-lg { height: 220px; }

            /* ── 分类标签 ── */
            .tag-list { grid-template-columns: 1fr 1fr; gap: 6px; }
            .tag-row { padding: 9px 12px; border-radius: 6px; }
            .tag-row-name { font-size: 11px; }
            .tag-row-val { font-size: 14px; }

            /* ── 终端 ── */
            .terminal { font-size: 11px; line-height: 1.85; }
            .terminal .val { word-break: break-all; }

            /* ── 更新列表 ── */
            .updates { max-height: 380px; }
            .update-row { padding: 10px 0; gap: 9px; }
            .update-row:hover { margin: 0 -16px; padding: 10px 16px; }
            .update-title { font-size: 12px; line-height: 1.4; }
            .update-meta { font-size: 10px; }

            /* ── 产业指标 ── */
            .metric-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
            .metric-card { padding: 12px; border-radius: 10px; }
            .metric-val { font-size: 20px; }
            .metric-label { font-size: 10px; }
            .metric-trend { font-size: 10px; }

            /* ── Footer ── */
            .footer { padding: 18px 14px; font-size: 9px; }

            /* ── 重排顺序 ── */
            .card[data-order="1"] { order: 1; }
            .card[data-order="2"] { order: 2; }
            .card[data-order="3"] { order: 3; }
            .card[data-order="4"] { order: 4; }
            .card[data-order="5"] { order: 5; }
            .card[data-order="6"] { order: 6; }
            .card[data-order="7"] { order: 7; }
            .card[data-order="8"] { order: 8; }
            .card[data-order="9"] { order: 9; }
            .card[data-order="10"] { order: 10; }
            .card[data-order="11"] { order: 11; }
        }

        /* ═══ 小屏手机 (<=420px) ═══ */
        @media (max-width: 420px) {
            .dashboard { padding: 85px 8px 20px; }

            .header { padding: 12px 14px; border-radius: 0; border-width: 0 0 1px 0; margin-bottom: 0; }
            .logo-mark { width: 36px; height: 36px; font-size: 14px; border-radius: 8px; }
            .brand-title { font-size: 16px; }
            .brand-subtitle { font-size: 7px; }
            .clock-time { font-size: 12px; }

            .top-nav { padding: 5px 8px; border-radius: 8px; margin-bottom: 8px; }
            .top-nav a { padding: 5px 10px; font-size: 11px; }
            .top-nav .nav-cta { padding: 5px 12px; }

            .overview-banner { padding: 16px 14px; border-radius: 10px; margin-bottom: 10px; gap: 12px; }
            .overview-text h2 { font-size: 17px; margin-bottom: 8px; }
            .overview-text p { font-size: 11px; line-height: 1.55; margin-bottom: 6px; }
            .mini-stats { gap: 4px; margin-top: 10px; }
            .mini-stat { padding: 8px 2px; border-radius: 6px; }
            .mini-stat-val { font-size: 13px; }
            .mini-stat-label { font-size: 7px; }

            .type-chart-box, .core-metrics-box { padding: 10px; border-radius: 8px; }
            .chart-box { height: 130px; }
            .core-metric-val { font-size: 12px; }
            .core-metric-label { font-size: 7px; }

            .grid { gap: 8px; }
            .card.col-3 { padding: 14px 12px; border-radius: 10px; }
            .card.col-3 .kpi-num { font-size: 21px; }
            .card.col-3 .kpi-num .unit { font-size: 10px; }
            .card.col-3 .card-label { font-size: 9px; }
            .card.col-3 .card-label .icon { width: 20px; height: 20px; font-size: 10px; }
            .card.col-3 .kpi-desc { font-size: 9px; }
            .card.col-3 .kpi-trend { font-size: 8px; }

            .card { padding: 16px 14px; border-radius: 10px; }
            .card-label { font-size: 11px; }
            .card-label .icon { width: 22px; height: 22px; font-size: 11px; }
            .chart-box-lg { height: 190px; }

            .tag-list { gap: 5px; }
            .tag-row { padding: 8px 10px; }
            .tag-row-name { font-size: 10px; }
            .tag-row-val { font-size: 13px; }

            .terminal { font-size: 10px; line-height: 1.75; }

            .updates { max-height: 320px; }
            .update-title { font-size: 11px; }
            .update-meta { font-size: 9px; }

            .metric-grid { gap: 8px; }
            .metric-card { padding: 10px; border-radius: 8px; }
            .metric-val { font-size: 18px; }
            .metric-label { font-size: 9px; }

            .footer { padding: 14px 10px; font-size: 8px; }
            .corner-mark { width: 10px; height: 10px; }
        }

        /* ═══ 超小屏 (<=360px) ═══ */
        @media (max-width: 360px) {
            .mini-stats { grid-template-columns: repeat(2, 1fr); }
            .grid { grid-template-columns: 1fr; }
            .card.col-3 { grid-column: span 1; }
            .card.col-4, .card.col-5, .card.col-6, .card.col-7, .card.col-8 { grid-column: span 1; }
            .tag-list { grid-template-columns: 1fr; }
            .metric-grid { grid-template-columns: 1fr; }
        }
        /* ═══════════════════════════════════════ */
        /* ═══ ORDER SYSTEM ═══ */
        /* ═══════════════════════════════════════ */

        /* ── How It Works (下单流程) ── */
        .how-it-works {
            margin-top: 24px;
        }
        .how-it-works .steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            position: relative;
            margin-top: 28px;
        }
        @media (min-width: 861px) {
            .how-it-works .steps::before {
                content: "";
                position: absolute;
                top: 26px;
                left: 5%;
                right: 5%;
                height: 1px;
                background: linear-gradient(90deg, transparent, var(--border) 20%, var(--border) 80%, transparent);
                z-index: 0;
            }
        }
        .how-it-works .step {
            text-align: center;
            padding: 0 20px 8px;
            position: relative;
            z-index: 1;
        }
        .how-it-works .step-num {
            display: grid;
            place-items: center;
            width: 52px;
            height: 52px;
            margin: 0 auto 18px;
            border-radius: var(--radius-sm);
            background: var(--bg-card);
            border: 1px solid var(--border);
            font-family: 'Sora', 'Noto Sans SC', 'PingFang SC', sans-serif;
            font-weight: 800;
            font-size: 22px;
            color: var(--text-secondary);
            transition: all .3s ease;
        }
        .how-it-works .step:hover .step-num {
            border-color: var(--gold);
            color: var(--gold);
            box-shadow: 0 0 32px rgba(28,168,255,.15);
            background: rgba(28,168,255,.05);
        }
        .how-it-works .step h3 {
            font-family: 'DM Sans', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .how-it-works .step p {
            color: var(--text-secondary);
            font-size: 13px;
            line-height: 1.6;
            max-width: 220px;
            margin: 0 auto;
        }

        /* ── FAQ & Scope (常见问题 & 服务边界) ── */
        .faq-section { margin-top: 24px; }
        .faq-two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            align-items: stretch;
            margin-top: 28px;
        }
        .faq-panel {
            background: linear-gradient(165deg, rgba(17,24,39,.8), rgba(26,33,51,.7));
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px;
            transition: border-color .3s ease;
            display: flex;
            flex-direction: column;
        }
        .faq-panel:hover { border-color: var(--border-hover); }
        .faq-panel.highlight {
            border-color: rgba(28,168,255,.25);
            background: linear-gradient(165deg, rgba(28,168,255,.04), rgba(26,33,51,.8));
        }
        .faq-panel h3 {
            font-family: 'DM Sans', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--gold);
            flex-shrink: 0;
        }
        .faq-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        details {
            border-bottom: 1px solid rgba(28,168,255,.06);
        }
        details:last-child { border-bottom: 0; }
        summary {
            cursor: pointer;
            font-family: 'DM Sans', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-weight: 600;
            font-size: 14px;
            padding: 16px 0;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            list-style: none;
            transition: color .2s ease;
        }
        summary::-webkit-details-marker { display: none; }
        summary:hover { color: var(--gold); }
        summary::after {
            content: "+";
            display: grid;
            place-items: center;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            border: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-secondary);
            flex-shrink: 0;
            line-height: 1;
            transition: all .2s ease;
        }
        details[open] summary::after {
            content: "−";
            border-color: var(--gold);
            color: var(--gold);
        }
        details p {
            color: var(--text-secondary);
            font-size: 13px;
            line-height: 1.8;
            padding-bottom: 16px;
        }
        .check-list {
            flex: 1;
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .check-list li {
            padding: 11px 0 11px 28px;
            position: relative;
            color: var(--text-secondary);
            font-size: 13px;
            line-height: 1.65;
            border-bottom: 1px solid rgba(28,168,255,.06);
        }
        .check-list li:last-child { border-bottom: 0; }
        .check-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 16px;
            width: 14px;
            height: 8px;
            border-left: 2px solid var(--gold);
            border-bottom: 2px solid var(--gold);
            transform: rotate(-45deg);
            opacity: .7;
        }

        /* ── Top Nav Bar ── */
        .top-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 8px 16px;
            background: linear-gradient(135deg, var(--bg-card) 0%, rgba(17,24,39,.6) 100%);
            border: 1px solid var(--border);
            border-radius: 12px;
            margin-bottom: 16px;
            box-shadow: var(--shadow-card);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .top-nav::-webkit-scrollbar { display: none; }
        .top-nav a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            font-family: 'DM Sans', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            border-radius: 8px;
            white-space: nowrap;
            transition: all .25s ease;
            position: relative;
        }
        .top-nav a:hover {
            color: var(--gold);
            background: rgba(28,168,255,.08);
        }
        .top-nav a.active {
            color: var(--gold);
            background: rgba(28,168,255,.12);
            font-weight: 600;
        }
        .top-nav a.active::after {
            content: "";
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }
        .top-nav .nav-spacer { flex: 1; }
        .top-nav .nav-cta {
            background: linear-gradient(135deg, var(--gold), var(--gold-light));
            color: var(--bg-deep) !important;
            font-weight: 700;
            padding: 8px 22px;
            border-radius: 8px;
        }
        .top-nav .nav-cta:hover {
            background: var(--gold-light);
            box-shadow: 0 0 24px rgba(28,168,255,.3);
        }

        /* Section title */
        .order-section-title {
            font-family: 'Sora', 'Noto Sans SC', 'PingFang SC', sans-serif;
            font-size: 22px; font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            margin-bottom: 6px;
        }
        .order-section-title .gold { color: var(--gold); }
        .order-section-desc {
            font-size: 13px; color: var(--text-secondary);
            margin-bottom: 20px;
        }

        /* Package Grid */
        .package-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
            margin-bottom: 24px;
        }

        .package-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 24px;
            position: relative;
            transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
            overflow: hidden;
        }
        .package-card::before {
            content: '';
            position: absolute; top: 0; left: 0; right: 0;
            height: 1px;
            background: linear-gradient(90deg, var(--gold), var(--gold-light), transparent);
            opacity: 0.35;
        }
        .package-card:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .package-card.selected {
            border-color: var(--gold);
            box-shadow: 0 0 0 1px var(--gold), 0 8px 40px rgba(28,168,255,0.15);
        }

        .package-badge {
            display: inline-block;
            font-family: 'JetBrains Mono', monospace;
            font-size: 10px;
            padding: 4px 12px;
            border-radius: 6px;
            background: var(--gold-dim);
            color: var(--gold);
            border: 1px solid rgba(28,168,255,0.2);
            letter-spacing: 1.5px;
            margin-bottom: 14px;
        }

        .package-card h3 {
            font-family: 'Sora', 'Noto Sans SC', 'PingFang SC', sans-serif;
            font-size: 18px; font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .package-desc {
            font-size: 12.5px; line-height: 1.6;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .package-card .price {
            font-family: 'Sora', 'Noto Sans SC', 'PingFang SC', sans-serif;
            font-size: 36px; font-weight: 800;
            color: var(--gold-light);
            letter-spacing: -1px;
            margin-bottom: 16px;
        }
        .package-card .price small {
            font-size: 14px; font-weight: 500;
            color: var(--text-dim);
            margin-left: 4px;
        }

        .package-card ul {
            list-style: none;
            margin-bottom: 20px;
        }
        .package-card ul li {
            font-size: 12.5px;
            color: var(--text-secondary);
            padding: 5px 0;
            padding-left: 20px;
            position: relative;
        }
        .package-card ul li::before {
            content: '';
            position: absolute;
            left: 0; top: 11px;
            width: 6px; height: 6px;
            border-radius: 50%;
            background: var(--gold);
            opacity: 0.6;
        }

        .gold-btn {
            display: inline-flex; align-items: center; justify-content: center;
            width: 100%;
            padding: 14px 24px;
            background: linear-gradient(135deg, var(--gold), var(--gold-light));
            color: var(--bg-deep);
            border: none;
            border-radius: 10px;
            font-family: 'Sora', 'Noto Sans SC', 'PingFang SC', sans-serif;
            font-size: 14px; font-weight: 700;
            cursor: pointer;
            transition: all 0.25s;
            letter-spacing: 0.5px;
        }
        .gold-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(28,168,255,0.3);
        }

        /* Order Dialog */
        .order-dialog {
            position: fixed;
            inset: 0;
            margin: auto;
            padding: 0;
            border: none;
            border-radius: 0;
            background: transparent;
            color: var(--text-primary);
            max-width: none;
            max-height: none;
            overflow: visible;
        }
        .order-dialog::backdrop {
            background: rgba(2,4,10,0.82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .order-dialog[open] { z-index: 9999; }

        .dialog-shell {
            width: 640px;
            max-width: calc(100% - 32px);
            max-height: calc(100dvh - 48px);
            margin: auto;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 16px;
            display: flex;
            flex-direction: column;
            overflow: hidden;
            box-shadow: 0 24px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(28,168,255,0.08);
        }

        .dialog-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 28px;
            border-bottom: 1px solid var(--border);
            flex-shrink: 0;
        }
        .dialog-header h3 {
            font-family: 'Sora', 'Noto Sans SC', 'PingFang SC', sans-serif;
            font-size: 18px; font-weight: 700;
            color: var(--text-primary);
        }
        .dialog-close {
            background: none; border: none;
            color: var(--text-dim);
            font-size: 24px;
            cursor: pointer;
            padding: 4px 8px;
            line-height: 1;
            border-radius: 6px;
            transition: all 0.2s;
        }
        .dialog-close:hover { color: var(--gold); background: var(--gold-dim); }

        .dialog-body {
            flex: 1;
            min-height: 0;
            overflow-y: auto;
            padding: 24px 28px;
            -webkit-overflow-scrolling: touch;
        }

        .wizard-step-label {
            font-family: 'JetBrains Mono', monospace;
            font-size: 11px;
            color: var(--gold);
            letter-spacing: 1px;
            margin-bottom: 12px;
        }

        .wizard-tabs {
            display: flex;
            gap: 8px;
            margin-bottom: 20px;
        }
        .wizard-tabs span {
            flex: 1;
            text-align: center;
            padding: 10px 12px;
            font-size: 12px; font-weight: 500;
            color: var(--text-dim);
            border: 1px solid var(--border);
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s;
        }
        .wizard-tabs span.active {
            color: var(--gold);
            border-color: var(--gold);
            background: var(--gold-dim);
        }
        .wizard-tabs span:hover { color: var(--text-secondary); }

        .wizard-page { display: none; }
        .wizard-page.active { display: grid; gap: 14px; }

        .wizard-page label {
            display: grid; gap: 6px;
            font-size: 13px; font-weight: 500;
            color: var(--text-secondary);
        }
        .wizard-page input,
        .wizard-page select,
        .wizard-page textarea {
            background: var(--bg-deep);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 12px 14px;
            color: var(--text-primary);
            font-size: 14px;
            font-family: 'DM Sans', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            transition: border-color 0.2s;
        }
        .wizard-page input:focus,
        .wizard-page select:focus,
        .wizard-page textarea:focus {
            outline: none;
            border-color: var(--gold);
        }
        .wizard-page textarea { min-height: 80px; resize: vertical; }

        .selected-summary {
            background: var(--gold-dim);
            border: 1px solid rgba(28,168,255,0.2);
            border-radius: 8px;
            padding: 14px 16px;
            font-size: 13px;
            color: var(--text-primary);
            line-height: 1.7;
        }

        .payment-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .payment-card {
            background: var(--bg-deep);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 16px;
            cursor: pointer;
            transition: all 0.25s;
            text-align: center;
            color: var(--text-primary);
        }
        .payment-card:hover { border-color: var(--border-hover); }
        .payment-card.active {
            border-color: var(--gold);
            background: var(--gold-dim);
        }
        .payment-card strong {
            display: block;
            font-family: 'Sora', 'Noto Sans SC', 'PingFang SC', sans-serif;
            font-size: 16px; font-weight: 700;
            color: var(--gold-light);
            margin-bottom: 4px;
        }
        .payment-card span {
            font-size: 11px;
            color: var(--text-dim);
        }

        .pay-box {
            background: var(--bg-deep);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 18px;
            text-align: center;
        }
        .pay-box small {
            display: block;
            font-size: 11px;
            color: var(--text-dim);
            letter-spacing: 1px;
        }
        .pay-box strong { display: block; margin: 4px 0; }
        .address-row {
            margin-top: 12px;
            text-align: left;
        }
        .address-row code {
            display: block;
            word-break: break-all;
            font-family: 'JetBrains Mono', monospace;
            font-size: 12px;
            color: var(--gold-light);
            background: rgba(28,168,255,0.06);
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 10px 12px;
            margin-top: 4px;
        }

        .secondary-btn {
            background: var(--bg-elevated, #1F2A40);
            color: var(--text-primary);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 10px 20px;
            font-size: 13px; font-weight: 500;
            cursor: pointer;
            transition: all 0.2s;
        }
        .secondary-btn:hover { border-color: var(--border-hover); }
        .secondary-btn.copied {
            background: rgba(52,211,153,0.18);
            color: #86efac;
            border-color: rgba(52,211,153,0.45);
        }
        .btn-sm { padding: 8px 16px; font-size: 12px; }

        .qr-code-box {
            width: 180px; height: 180px;
            margin: 18px auto 0;
            border-radius: 6px;
            overflow: hidden;
            background: #fff;
            border: 1px solid rgba(28,168,255,0.2);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .qr-code-box img {
            width: 100%; height: 100%;
            object-fit: contain;
            display: block;
        }
        .qr-code-box img:not([src]),
        .qr-code-box img[src=""] { display: none; }
        .qr-code-error {
            color: #BAE6FD;
            font-size: 12px;
            line-height: 1.6;
            margin: 0 18px;
            text-align: center;
        }

        .warning-box {
            color: #BAE6FD;
            background: rgba(56,189,248,0.06);
            border: 1px solid rgba(56,189,248,0.15);
            padding: 12px 16px;
            border-radius: 8px;
            font-size: 12px;
            line-height: 1.6;
        }

        .receipt-box {
            background: var(--gold-dim);
            border: 1px solid rgba(28,168,255,0.2);
            border-radius: 8px;
            padding: 14px 16px;
            font-size: 13px;
            line-height: 1.8;
            color: var(--text-primary);
        }

        .dialog-actions {
            display: flex;
            gap: 12px;
            padding: 16px 28px;
            border-top: 1px solid var(--border);
            flex-shrink: 0;
            background: var(--bg-card);
        }
        .dialog-actions .primary-btn,
        .dialog-actions .secondary-btn {
            flex: 1;
            padding: 14px;
            font-size: 14px;
            font-weight: 600;
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.2s;
        }
        .dialog-actions .primary-btn {
            background: linear-gradient(135deg, var(--gold), var(--gold-light));
            color: var(--bg-deep);
            border: none;
        }
        .dialog-actions .primary-btn:hover {
            box-shadow: 0 4px 20px rgba(28,168,255,0.3);
        }
        .dialog-actions .primary-btn:disabled {
            opacity: 0.5; cursor: not-allowed;
        }

        /* Orders list */
        .orders-list { display: grid; gap: 12px; }
        .orders-list.empty {
            text-align: center;
            color: var(--text-dim);
            padding: 40px 20px;
            font-size: 13px;
        }
        .order-card {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 16px 20px;
            transition: all 0.2s;
        }
        .order-card:hover { border-color: var(--border-hover); }
        .order-card strong { color: var(--text-primary); font-size: 14px; }
        .order-card .status {
            font-family: 'JetBrains Mono', monospace;
            font-size: 10px;
            padding: 3px 10px;
            border-radius: 6px;
            background: var(--gold-dim);
            color: var(--gold);
            letter-spacing: 1px;
            margin-left: 8px;
        }
        .order-meta {
            font-size: 12px;
            color: var(--text-dim);
            margin-top: 6px;
            line-height: 1.7;
            font-family: 'JetBrains Mono', monospace;
        }
        .order-actions { display: flex; gap: 8px; flex-shrink: 0; }
        .ghost-btn {
            background: transparent;
            color: var(--text-secondary);
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 6px 14px;
            font-size: 12px;
            cursor: pointer;
            transition: all 0.2s;
        }
        .ghost-btn:hover { border-color: var(--border-hover); color: var(--gold); }
        .danger-btn {
            background: transparent;
            color: var(--red);
            border: 1px solid rgba(248,113,113,0.25);
            border-radius: 6px;
            padding: 6px 14px;
            font-size: 12px;
            cursor: pointer;
            transition: all 0.2s;
        }
        .danger-btn:hover { background: rgba(248,113,113,0.1); }

        /* Toast */
        .toast-container {
            position: fixed;
            top: 24px; left: 50%;
            transform: translateX(-50%);
            z-index: 10000;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            pointer-events: none;
        }
        .toast {
            pointer-events: auto;
            background: var(--bg-card);
            border: 1px solid var(--gold);
            color: var(--gold-light);
            padding: 12px 24px;
            border-radius: 10px;
            font-size: 14px; font-weight: 500;
            box-shadow: 0 8px 32px rgba(0,0,0,0.4);
            animation: toastIn 0.35s ease-out, toastOut 0.3s 2.2s ease-in forwards;
            white-space: nowrap;
        }
        .toast.error {
            border-color: rgba(248,113,113,0.4);
            color: #fca5a5;
        }
        @keyframes toastIn { from { opacity: 0; transform: translateY(-12px); } to { opacity: 1; transform: translateY(0); } }
        @keyframes toastOut { from { opacity: 1; transform: translateY(0); } to { opacity: 0; transform: translateY(-8px); } }

        /* Sticky bar */
        .sticky-bar {
            position: fixed;
            bottom: 0; left: 0; right: 0;
            background: var(--bg-card);
            border-top: 1px solid var(--gold);
            padding: 16px 48px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            z-index: 100;
            box-shadow: 0 -4px 24px rgba(0,0,0,0.3);
        }
        .sticky-bar small { font-size: 11px; color: var(--text-dim); display: block; }
        .sticky-bar strong { font-size: 15px; color: var(--text-primary); }

        /* ═══ ORDER SYSTEM — TABLET ═══ */
        @media (max-width: 1200px) {
            .package-grid { grid-template-columns: 1fr 1fr; }
            .how-it-works .steps { grid-template-columns: 1fr 1fr; gap: 24px 0; }
            .faq-two-col { grid-template-columns: 1fr; }
        }

        /* ═══ ORDER SYSTEM — MOBILE ═══ */
        @media (max-width: 768px) {
            .package-grid { grid-template-columns: 1fr; }

            /* Steps → vertical list */
            .how-it-works .steps {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .how-it-works .steps::before { display: none; }
            .how-it-works .step {
                text-align: left;
                display: grid;
                grid-template-columns: 44px 1fr;
                gap: 0 16px;
                align-items: start;
                padding: 14px 0;
                border-bottom: 1px solid rgba(28,168,255,.06);
            }
            .how-it-works .step:last-child { border-bottom: 0; }
            .how-it-works .step-num {
                width: 44px;
                height: 44px;
                font-size: 18px;
                margin: 0;
                background: var(--bg-deep);
                border-color: rgba(28,168,255,.25);
                color: var(--gold);
            }
            .how-it-works .step h3 {
                grid-column: 2;
                font-size: 15px;
                margin-bottom: 4px;
            }
            .how-it-works .step p {
                grid-column: 2;
                max-width: 100%;
                margin: 0;
                font-size: 13px;
                line-height: 1.55;
            }

            .order-dialog { width: 100vw; max-width: 100vw; }
            .dialog-shell {
                width: 100%; max-width: 100%;
                max-height: 100dvh;
                height: 100dvh;
                border-radius: 0;
            }
            .dialog-header { padding: 16px 18px; }
            .dialog-body { padding: 18px; }
            .dialog-actions { padding: 14px 18px; padding-bottom: calc(14px + env(safe-area-inset-bottom, 0px)); }

            .wizard-tabs span { padding: 8px 6px; font-size: 11px; }
            .payment-grid { grid-template-columns: 1fr; }
            .qr-code-box { width: 200px; height: 200px; }

            .order-card { flex-direction: column; gap: 10px; }
            .order-actions { width: 100%; }
            .order-actions button { flex: 1; }

            .sticky-bar { padding: 12px 16px; }
            .sticky-bar small { font-size: 10px; }
            .sticky-bar strong { font-size: 13px; }
            .sticky-bar .primary-btn { padding: 10px 16px; font-size: 13px; }
        }

        @media (max-width: 420px) {
            .dialog-header h3 { font-size: 16px; }
            .wizard-tabs { flex-direction: column; }
            .wizard-tabs span { padding: 10px; }
            .faq-panel { padding: 24px 20px; }
        }

        /* ═══════════════════════════════════════ */
        /* ═══ TOPICS (变现选题库) ═══ */
        /* ═══════════════════════════════════════ */

        /* ── Topics Section ── */
        .topics-section {
            margin-top: 24px;
        }
        .topics-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 20px;
        }
        .topics-header-left { flex: 1; min-width: 200px; }
        .topics-header-right {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .topics-search-box {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px 14px;
            color: var(--text-primary);
            font-family: 'DM Sans', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-size: 13px;
            width: 200px;
            transition: border-color .3s ease;
        }
        .topics-search-box::placeholder { color: var(--text-dim); }
        .topics-search-box:focus {
            outline: none;
            border-color: var(--gold);
        }

        /* Filter Bar */
        .topics-filters {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 16px;
        }
        .topic-filter-btn {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 6px 16px;
            font-family: 'DM Sans', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-size: 12px;
            font-weight: 600;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all .25s ease;
            white-space: nowrap;
        }
        .topic-filter-btn:hover {
            border-color: var(--border-hover);
            color: var(--text-primary);
        }
        .topic-filter-btn.active {
            background: rgba(28,168,255,.12);
            border-color: var(--gold);
            color: var(--gold);
        }

        /* Topics Table */
        .topics-table-wrap {
            background: linear-gradient(165deg, rgba(17,24,39,.6), rgba(26,34,54,.4));
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            position: relative;
        }
        .topics-table-scroll {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .topics-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 800px;
        }
        .topics-table thead th {
            background: rgba(28,168,255,.06);
            font-family: 'Sora', 'Noto Sans SC', 'PingFang SC', sans-serif;
            font-size: 11px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--gold);
            padding: 14px 16px;
            text-align: left;
            border-bottom: 1px solid rgba(28,168,255,.15);
            white-space: nowrap;
        }
        .topics-table tbody tr {
            border-bottom: 1px solid rgba(28,168,255,.05);
            transition: background .2s ease;
        }
        .topics-table tbody tr:last-child { border-bottom: 0; }
        .topics-table tbody tr:hover {
            background: rgba(28,168,255,.04);
        }
        .topics-table tbody td {
            padding: 12px 16px;
            font-family: 'DM Sans', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-size: 13px;
            color: var(--text-primary);
            vertical-align: middle;
        }
        .topics-table .td-index {
            color: var(--text-dim);
            font-family: 'JetBrains Mono', monospace;
            font-size: 12px;
            width: 40px;
            text-align: center;
        }
        .topics-table .td-title {
            font-weight: 600;
            min-width: 200px;
        }
        .topics-table .td-track {
            white-space: nowrap;
        }

        /* Badges */
        .track-badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 11px;
            font-weight: 600;
            white-space: nowrap;
        }
        .track-rwa { background: rgba(28,168,255,.15); color: #61B7FF; }
        .track-stable { background: rgba(74,144,226,.15); color: #6BA8F0; }
        .track-defi { background: rgba(52,211,153,.15); color: #34D399; }
        .track-nft { background: rgba(167,139,250,.15); color: #A78BFA; }
        .track-dao { background: rgba(91,192,235,.15); color: #5BC0EB; }
        .track-token { background: rgba(248,113,113,.15); color: #F87171; }
        .track-edu { background: rgba(97,183,255,.12); color: #1CA8FF; }
        .track-report { background: rgba(100,116,139,.15); color: #94A3B8; }
        .track-legal { background: rgba(168,198,134,.15); color: #A8C686; }
        .track-infra { background: rgba(148,163,184,.15); color: #94B3D8; }
        .track-meta { background: rgba(196,132,252,.15); color: #C484FC; }
        .track-invest { background: rgba(56,189,248,.15); color: #38BDF8; }

        .diff-badge, .value-badge {
            display: inline-flex;
            align-items: center;
            gap: 2px;
            font-size: 12px;
            white-space: nowrap;
        }
        .diff-low { color: var(--green); }
        .diff-mid { color: var(--gold); }
        .diff-high { color: var(--red); }
        .value-mid { color: #94A3B8; }
        .value-high { color: var(--gold-light); }
        .value-top { color: #61B7FF; font-weight: 700; }

        /* Topics Footer */
        .topics-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 16px;
            border-top: 1px solid rgba(28,168,255,.08);
            font-size: 12px;
            color: var(--text-dim);
        }
        .topics-footer .count-text {
            font-family: 'JetBrains Mono', monospace;
        }
        .topics-footer .count-text span { color: var(--gold); }

        /* Topics Empty State */
        .topics-empty {
            padding: 40px;
            text-align: center;
            color: var(--text-dim);
            font-size: 14px;
        }

        /* ── Topics — Responsive ── */
        @media (max-width: 1200px) {
            .topics-search-box { width: 160px; }
        }
        @media (max-width: 768px) {
            .topics-header { flex-direction: column; align-items: flex-start; }
            .topics-header-right { width: 100%; }
            .topics-search-box { width: 100%; }
            .topics-filters { gap: 6px; }
            .topic-filter-btn { padding: 5px 12px; font-size: 11px; }
            .topics-table tbody td { padding: 10px 12px; font-size: 12px; }
            .topics-table thead th { padding: 10px 12px; font-size: 10px; }
        }
        @media (max-width: 480px) {
            .topics-table .td-index { display: none; }
            .topics-table thead th:first-child { display: none; }
            .topics-table tbody td:nth-child(1) { display: none; }
        }

        /* Blue finance theme refinements */
        body {
            background:
                radial-gradient(1200px 720px at 12% -8%, rgba(28,168,255,.10), transparent 62%),
                radial-gradient(900px 560px at 88% 18%, rgba(43,140,255,.07), transparent 58%),
                linear-gradient(180deg, #040A12 0%, #07111D 45%, #030711 100%);
        }

        .header,
        .top-nav,
        .overview-banner,
        .card,
        .faq-panel,
        .topics-table-wrap,
        .package-card,
        .dialog-shell,
        .order-card,
        .sticky-bar {
            background:
                linear-gradient(135deg, rgba(255,255,255,.055), rgba(255,255,255,.012)),
                linear-gradient(165deg, rgba(10,23,38,.92), rgba(5,12,22,.88));
            border-color: rgba(67,164,255,.20);
            box-shadow: 0 18px 60px rgba(0,0,0,.34), inset 0 1px 0 rgba(180,220,255,.06);
            backdrop-filter: blur(16px);
        }

        .card:hover,
        .package-card:hover,
        .faq-panel:hover,
        .order-card:hover {
            border-color: rgba(67,164,255,.46);
            box-shadow: 0 24px 76px rgba(0,0,0,.42), 0 0 42px rgba(28,168,255,.10);
        }

        .logo-mark,
        .gold-btn,
        .dialog-actions .primary-btn,
        .top-nav .nav-cta {
            background: linear-gradient(135deg, #1CA8FF 0%, #2B8CFF 48%, #61B7FF 100%);
            color: #04111F !important;
            box-shadow: 0 10px 34px rgba(28,168,255,.24), inset 0 1px 0 rgba(255,255,255,.30);
        }

        .logo-mark::after {
            border-color: rgba(97,183,255,.72);
            box-shadow: 0 0 28px rgba(28,168,255,.26);
        }

        .top-nav a.active,
        .topic-filter-btn.active,
        .wizard-tabs span.active,
        .payment-card.active,
        .package-card.selected {
            background: rgba(28,168,255,.12);
            border-color: rgba(67,164,255,.58);
            box-shadow: 0 0 0 1px rgba(28,168,255,.22), 0 16px 42px rgba(28,168,255,.10);
        }

        .package-card.selected {
            background:
                radial-gradient(420px 240px at 0% 0%, rgba(28,168,255,.14), transparent 64%),
                linear-gradient(165deg, rgba(13,31,50,.96), rgba(5,13,24,.92));
        }

        .topics-table thead th,
        .topics-table tbody tr,
        .topics-footer {
            border-color: rgba(67,164,255,.14);
        }

        .topics-table thead th {
            background: rgba(28,168,255,.075);
            color: #BFE7FF;
        }

        .topics-table tbody tr:hover,
        .update-row:hover,
        .tag-row:hover {
            background: rgba(28,168,255,.055);
        }

        .wizard-page input,
        .wizard-page select,
        .wizard-page textarea,
        .topics-search-box,
        .payment-card,
        .pay-box,
        .address-row code,
        .secondary-btn {
            background: rgba(4,12,23,.66);
            border-color: rgba(67,164,255,.18);
        }

        .package-card .price,
        .metric-val,
        .mini-stat-val,
        .clock-time,
        .core-metric-val {
            color: #DDF3FF;
            text-shadow: 0 0 24px rgba(28,168,255,.16);
        }

        /* Fixed LDNews navigation */
        html { scroll-padding-top: 98px; }

        .header {
            display: none !important;
        }

        .dashboard {
            padding-top: 112px;
        }

        .top-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            width: auto;
            transform: none !important;
            z-index: 1200;
            min-height: 88px;
            justify-content: space-between;
            gap: 32px;
            padding: 0 clamp(28px, 3.6vw, 72px);
            margin: 0;
            overflow: visible;
            border-radius: 0;
            border-width: 0 0 1px;
            background:
                linear-gradient(180deg, rgba(8,18,31,.96), rgba(7,15,27,.90)),
                rgba(4,10,18,.94);
            box-shadow: 0 18px 60px rgba(0,0,0,.24), inset 0 -1px 0 rgba(67,164,255,.18);
        }

        .nav-brand-hotspot {
            display: inline-flex;
            align-items: center;
            gap: 18px;
            min-width: 0;
            padding: 0 !important;
            border-radius: 0 !important;
            color: var(--text-primary) !important;
            background: transparent;
            border: 0;
        }

        .nav-brand-hotspot:hover {
            color: var(--text-primary) !important;
            box-shadow: none;
        }

        .nav-brand-hotspot::after {
            display: none !important;
        }

        .brand-wordmark {
            display: inline-flex;
            align-items: center;
            flex-shrink: 0;
        }

        .brand-wordmark img {
            display: block;
            width: 176px;
            height: auto;
            object-fit: contain;
            filter: drop-shadow(0 0 22px rgba(22,139,255,.22));
        }

        .hotspot-copy {
            display: inline-flex;
            align-items: center;
            min-height: 28px;
            padding: 0 14px;
            border-radius: 999px;
            background: rgba(13,35,58,.78);
            border: 1px solid rgba(67,164,255,.36);
            box-shadow: inset 0 1px 0 rgba(255,255,255,.12), 0 0 24px rgba(28,168,255,.10);
            line-height: 1;
        }

        .hotspot-label {
            font-family: 'JetBrains Mono', monospace;
            font-size: 11px;
            font-weight: 800;
            letter-spacing: .4px;
            color: #D8F1FF;
            white-space: nowrap;
        }

        .hotspot-label::before {
            content: "";
            display: inline-block;
            width: 6px;
            height: 6px;
            margin-right: 6px;
            border-radius: 999px;
            background: #31B8FF;
            box-shadow: 0 0 14px rgba(49,184,255,.7);
        }

        .hotspot-copy strong { display: none; }

        .top-nav-links {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 2px;
            flex: 0 0 auto;
            padding: 8px;
            border-radius: 999px;
            border: 1px solid rgba(67,164,255,.22);
            background:
                linear-gradient(135deg, rgba(255,255,255,.055), rgba(255,255,255,.014)),
                rgba(9,22,36,.72);
            box-shadow: inset 0 1px 0 rgba(180,220,255,.08), 0 12px 34px rgba(0,0,0,.25);
        }

        .top-nav-links a {
            justify-content: center;
            min-height: 38px;
            padding: 8px 18px;
            border-radius: 999px;
            font-weight: 800;
            color: rgba(218,235,247,.68);
        }

        .top-nav-links a.active,
        .top-nav-links a:hover {
            color: #FFFFFF;
            background: rgba(28,168,255,.10);
        }

        .nav-menu-toggle {
            display: none;
            align-items: center;
            gap: 10px;
            min-height: 44px;
            padding: 0 16px;
            border-radius: 999px;
            color: #EAF7FF;
            background: linear-gradient(135deg, rgba(28,168,255,.95), rgba(43,140,255,.86));
            border: 1px solid rgba(191,231,255,.28);
            box-shadow: 0 12px 32px rgba(28,168,255,.25), inset 0 1px 0 rgba(255,255,255,.28);
            cursor: pointer;
            font-family: 'DM Sans', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-size: 13px;
            font-weight: 800;
            letter-spacing: .04em;
        }

        .nav-menu-toggle i,
        .nav-menu-toggle i::before,
        .nav-menu-toggle i::after {
            display: block;
            width: 16px;
            height: 2px;
            border-radius: 999px;
            background: currentColor;
            transition: transform .22s ease, opacity .22s ease;
        }

        .nav-menu-toggle i {
            position: relative;
        }

        .nav-menu-toggle i::before,
        .nav-menu-toggle i::after {
            content: "";
            position: absolute;
            left: 0;
        }

        .nav-menu-toggle i::before { transform: translateY(-6px); }
        .nav-menu-toggle i::after { transform: translateY(6px); }

        .top-nav.menu-open .nav-menu-toggle i {
            background: transparent;
        }

        .top-nav.menu-open .nav-menu-toggle i::before {
            transform: rotate(45deg);
        }

        .top-nav.menu-open .nav-menu-toggle i::after {
            transform: rotate(-45deg);
        }

        .top-nav .nav-cta,
        .top-nav .nav-spacer {
            display: none !important;
        }

        @media (max-width: 980px) {
            html { scroll-padding-top: 88px; }

            .dashboard {
                padding-top: 94px;
            }

            .top-nav {
                top: 0;
                left: 0;
                right: 0;
                width: auto;
                min-height: 68px;
                padding: 0 16px;
                border-radius: 0;
            }

            .nav-brand-hotspot {
                max-width: calc(100% - 112px);
                gap: 10px;
            }

            .brand-wordmark img {
                width: 142px;
            }

            .hotspot-copy {
                min-height: 23px;
                padding: 0 8px;
            }

            .hotspot-label {
                font-size: 9px;
            }

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

            .top-nav-links {
                position: absolute;
                top: calc(100% + 10px);
                right: 14px;
                left: 14px;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 8px;
                padding: 12px;
                border: 1px solid rgba(67,164,255,.22);
                border-radius: 16px;
                background:
                    linear-gradient(135deg, rgba(255,255,255,.06), rgba(255,255,255,.012)),
                    linear-gradient(165deg, rgba(10,23,38,.98), rgba(5,12,22,.96));
                box-shadow: 0 24px 76px rgba(0,0,0,.45), inset 0 1px 0 rgba(180,220,255,.06);
                backdrop-filter: blur(18px);
                opacity: 0;
                pointer-events: none;
                transform: translateY(-8px) scale(.98);
                transform-origin: top right;
                transition: opacity .22s ease, transform .22s ease;
            }

            .top-nav.menu-open .top-nav-links {
                opacity: 1;
                pointer-events: auto;
                transform: translateY(0) scale(1);
            }

            .top-nav-links a {
                min-height: 44px;
                padding: 10px 12px;
                border: 1px solid rgba(67,164,255,.16);
                background: rgba(28,168,255,.045);
            }
        }

        @media (max-width: 420px) {
            .dashboard {
                padding-top: 88px;
            }

            .top-nav {
                left: 0;
                right: 0;
                width: auto;
                min-height: 64px;
                border-radius: 0;
            }

            .nav-brand-hotspot {
                gap: 8px;
                max-width: calc(100% - 92px);
            }

            .brand-wordmark img {
                width: 118px;
            }

            .hotspot-label {
                font-size: 8px;
            }

            .nav-menu-toggle {
                min-height: 40px;
                padding: 0 13px;
                font-size: 12px;
            }

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

        /* ═══ Accessibility: Focus Visible ═══ */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible,
        [tabindex]:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ═══ Accessibility: Reduced Motion ═══ */
        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

        /* ═══ Performance: Content Visibility (disabled: mobile rendering risk) ═══ */