:root {
            /* 天藍主色板 */
            --sky-50:  #f0f9ff;
            --sky-100: #e0f2fe;
            --sky-300: #7dd3fc;
            --sky-400: #38bdf8;
            --sky-500: #0ea5e9;
            --sky-600: #0284c7;
            --cyan-400: #22d3ee;
            --cyan-500: #06b6d4;
            --indigo-500: #6366f1;
            /* 深色科技底 */
            --bg-0: #050a1a;
            --bg-1: #0a1428;
            --bg-2: #0f1d36;
            --bg-3: #142845;
            /* 邊框 */
            --line:  rgba(56, 189, 248, 0.12);
            --line-2: rgba(56, 189, 248, 0.22);
            /* 字 */
            --text:  #e2f3ff;
            --text-2: #a3c9e8;
            --text-3: #6b8cb0;
            /* 狀態色 */
            --ok: #22d3ee;
            --warn: #fbbf24;
            --err: #f43f5e;
            --good: #34d399;
            --neutral: #64748b;
            /* 間距 / 圓角 */
            --r-sm: 6px;
            --r:   10px;
            --r-lg: 14px;
            --shadow: 0 4px 24px -8px rgba(14,165,233,0.25);
            --shadow-strong: 0 8px 40px -12px rgba(14,165,233,0.4);

            /* === 全站字體統一 (一處定義, 全局生效) === */
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang TC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft JhengHei', 'Microsoft YaHei', Roboto, system-ui, sans-serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', 'Consolas', 'Menlo', ui-monospace, monospace;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html, body { font-feature-settings: "tnum" 1, "ss02" 1; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-0);
            color: var(--text);
            min-height: 100vh;
            padding: 28px 20px 80px;
            position: relative;
            overflow-x: hidden;
        }
        /* 網格背景 + 光暈 */
        body::before {
            content: ""; position: fixed; inset: 0;
            background-image:
                linear-gradient(var(--line) 1px, transparent 1px),
                linear-gradient(90deg, var(--line) 1px, transparent 1px);
            background-size: 48px 48px;
            mask-image: radial-gradient(ellipse 80% 80% at 50% 30%, black 30%, transparent 100%);
            -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 30%, black 30%, transparent 100%);
            pointer-events: none;
            z-index: 0;
        }
        body::after {
            content: ""; position: fixed; inset: 0;
            background:
                radial-gradient(60% 50% at 20% 0%, rgba(14,165,233,0.18), transparent 60%),
                radial-gradient(50% 60% at 80% 10%, rgba(34,211,238,0.10), transparent 60%);
            pointer-events: none;
            z-index: 0;
        }
        .container { max-width: 1280px; margin: 0 auto; position: relative; z-index: 1; }

        /* === Header === */
        .header { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
        .brand { display: flex; align-items: center; gap: 12px; }
        .brand-mark {
            width: 38px; height: 38px;
            display: flex; align-items: center; justify-content: center;
            background: linear-gradient(135deg, var(--sky-500), var(--cyan-500));
            border-radius: 10px;
            font-size: 18px;
            box-shadow: 0 0 0 1px rgba(56,189,248,0.3), 0 8px 24px -6px rgba(14,165,233,0.5);
        }
        .brand h1 {
            font-size: 24px; font-weight: 800; letter-spacing: 1px;
            background: linear-gradient(95deg, #fde68a 0%, var(--sky-300) 45%, var(--cyan-400) 100%);
            -webkit-background-clip: text; background-clip: text; color: transparent;
            font-family: var(--font-sans);
            text-shadow: 0 0 18px rgba(56,189,248,0.25);
        }
        .brand-mark { animation: peep 3.6s ease-in-out infinite; }
        @keyframes peep {
            0%, 100% { transform: translateY(0) rotate(-3deg); }
            50%      { transform: translateY(-3px) rotate(3deg); }
        }
        .brand .sub { font-size: 12px; color: var(--text-3); margin-top: 2px; letter-spacing: 0.5px; }
        .header-right { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

        /* === 语言切换器 === */
        .lang-switch {
            display: inline-flex;
            background: rgba(15,29,54,0.6);
            border: 1px solid var(--line);
            border-radius: 999px;
            padding: 2px;
            gap: 1px;
        }
        .lang-switch button {
            background: transparent;
            border: none;
            color: var(--text-3);
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 999px;
            cursor: pointer;
            transition: all 0.18s ease;
            letter-spacing: 0.3px;
            font-family: var(--font-sans);
        }
        .lang-switch button:hover { color: var(--text-2); background: rgba(56,189,248,0.06); }
        .lang-switch button.active {
            background: linear-gradient(135deg, var(--sky-500), var(--cyan-500));
            color: white;
            box-shadow: 0 0 0 1px rgba(56,189,248,0.4), 0 4px 12px -4px rgba(14,165,233,0.5);
        }

        /* === Hero 全局看板 === */
        .hero {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 12px;
            margin-bottom: 24px;
        }
        .hero-tile {
            background: linear-gradient(180deg, rgba(20,40,69,0.7), rgba(15,29,54,0.7));
            border: 1px solid var(--line);
            border-radius: var(--r-lg);
            padding: 16px 18px;
            position: relative;
            overflow: hidden;
            transition: border-color .25s, transform .25s, box-shadow .25s;
        }
        .hero-tile:hover {
            border-color: var(--line-2);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px -8px rgba(251, 191, 36, 0.18), 0 4px 12px -4px rgba(14, 165, 233, 0.18);
        }
        .hero-tile::before {
            content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
            background: linear-gradient(90deg, var(--sky-500), var(--cyan-400));
            opacity: 0.6;
        }
        .hero-tile.ok::before { background: linear-gradient(90deg, var(--good), var(--ok)); }
        .hero-tile.warn::before { background: linear-gradient(90deg, var(--warn), #f59e0b); }
        .hero-tile.err::before { background: linear-gradient(90deg, var(--err), #ef4444); }
        .hero-tile .label { font-size: 11px; color: var(--text-3); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 6px; }
        .hero-tile .value { font-size: 24px; font-weight: 700; font-variant-numeric: tabular-nums; line-height: 1.2; }
        .hero-tile .value small { font-size: 13px; font-weight: 500; color: var(--text-3); margin-left: 4px; }
        .hero-tile .hint { font-size: 12px; color: var(--text-2); margin-top: 4px; }

        /* === Card === */
        .card {
            background: linear-gradient(180deg, rgba(15,29,54,0.85), rgba(10,20,40,0.85));
            backdrop-filter: blur(8px);
            border: 1px solid var(--line);
            border-radius: var(--r-lg);
            padding: 22px 24px;
            margin-bottom: 18px;
            transition: border-color .3s, box-shadow .3s;
        }
        .card:hover {
            border-color: var(--line-2);
            box-shadow: var(--shadow), 0 8px 28px -12px rgba(251, 191, 36, 0.15);
        }
        .card-head {
            display: flex; align-items: center; justify-content: space-between;
            margin-bottom: 18px;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--line);
            gap: 12px; flex-wrap: wrap;
        }

        /* === 折疊功能 === */
        .card.collapsible .card-head {
            cursor: pointer;
            user-select: none;
            transition: padding-bottom .25s, margin-bottom .25s;
        }
        .card.collapsible .card-head:hover .collapse-arrow { color: var(--text); transform: rotate(0deg) scale(1.15); }
        .collapse-arrow {
            display: inline-flex; align-items: center; justify-content: center;
            width: 22px; height: 22px;
            margin-left: 8px;
            font-size: 14px; color: var(--text-3);
            border-radius: 6px;
            transition: transform .3s ease, color .2s, background .2s;
            flex-shrink: 0;
        }
        .card.collapsed .collapse-arrow { transform: rotate(-90deg); }
        .card.collapsed .card-head {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: 1px solid transparent;
        }
        .card.collapsed .card-body { display: none; }

        /* === Collapsible 卡片 card-meta 居中 (title 居左, arrow 居右) === */
        .card.collapsible .card-meta {
            flex: 1;
            text-align: center;
            line-height: 1.5;
        }
        .card-title { display: flex; align-items: center; gap: 10px; font-size: 16px; font-weight: 600; letter-spacing: 0.3px; }
        .card-title .ico {
            width: 28px; height: 28px;
            display: flex; align-items: center; justify-content: center;
            background: rgba(14,165,233,0.12);
            border: 1px solid var(--line-2);
            border-radius: 8px;
            font-size: 14px;
        }
        .card-title.green .ico { background: rgba(52,211,153,0.12); border-color: rgba(52,211,153,0.3); }
        .card-title.amber .ico { background: rgba(251,191,36,0.12); border-color: rgba(251,191,36,0.3); }
        .card-title.rose  .ico { background: rgba(244,63,94,0.12);  border-color: rgba(244,63,94,0.3); }
        .card-title.violet .ico { background: rgba(99,102,241,0.12); border-color: rgba(99,102,241,0.3); }
        .card-title.cyan .ico { background: rgba(34,211,238,0.12); border-color: rgba(34,211,238,0.3); }
        .card-meta { font-size: 12px; color: var(--text-3); }
        .section-title { font-size: 13px; color: var(--text-2); margin: 18px 0 10px; letter-spacing: 0.4px; display: flex; align-items: center; gap: 6px; }
        .section-title::before { content: ""; width: 3px; height: 12px; background: var(--sky-500); border-radius: 2px; }

        /* === KV row === */
        .kv-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 8px 18px; }
        .kv-row { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px dashed var(--line); }
        .kv-row:last-child { border-bottom: none; }
        .kv-row .k { font-size: 13px; color: var(--text-2); }
        .kv-row .v { font-family: var(--font-mono); font-size: 13px; color: var(--text); font-variant-numeric: tabular-nums; }

        /* === Stat tile === */
        .stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; }
        .stat-tile {
            background: rgba(20,40,69,0.4);
            border: 1px solid var(--line);
            border-radius: var(--r);
            padding: 14px 16px;
            transition: all .25s;
        }
        .stat-tile:hover { background: rgba(20,40,69,0.6); border-color: var(--line-2); }
        .stat-tile .label { font-size: 11px; color: var(--text-3); letter-spacing: 1px; text-transform: uppercase; }
        .stat-tile .value { font-size: 22px; font-weight: 700; margin-top: 6px; font-variant-numeric: tabular-nums; }

        /* === Progress (條形進度) === */
        .progress-wrap { background: rgba(0,0,0,0.4); border-radius: 6px; height: 6px; overflow: hidden; position: relative; }
        .progress-bar {
            height: 100%;
            background: linear-gradient(90deg, var(--sky-500), var(--cyan-400));
            transition: width .5s ease;
            box-shadow: 0 0 8px rgba(56,189,248,0.4);
        }
        .progress-bar.ok { background: linear-gradient(90deg, var(--good), var(--ok)); }
        .progress-bar.warn { background: linear-gradient(90deg, var(--warn), #f59e0b); box-shadow: 0 0 8px rgba(251,191,36,0.4); }
        .progress-bar.err { background: linear-gradient(90deg, var(--err), #ef4444); box-shadow: 0 0 8px rgba(244,63,94,0.4); }

        /* === Badge === */
        .badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 999px; font-size: 11px; font-weight: 600; letter-spacing: 0.3px; border: 1px solid transparent; }
        .badge.ok { background: rgba(52,211,153,0.12); color: var(--good); border-color: rgba(52,211,153,0.3); }
        .badge.cyan { background: rgba(34,211,238,0.12); color: var(--cyan-400); border-color: rgba(34,211,238,0.3); }
        .badge.warn { background: rgba(251,191,36,0.12); color: var(--warn); border-color: rgba(251,191,36,0.3); }
        .badge.err { background: rgba(244,63,94,0.12); color: var(--err); border-color: rgba(244,63,94,0.3); }
        .badge.neutral { background: rgba(100,116,139,0.18); color: var(--text-2); border-color: rgba(100,116,139,0.3); }
        .badge.violet { background: rgba(99,102,241,0.15); color: #a5b4fc; border-color: rgba(99,102,241,0.3); }
        .badge .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
        .badge.live .dot { animation: pulse 1.6s ease-in-out infinite; }
        @keyframes pulse {
            0%, 100% { opacity: 1; box-shadow: 0 0 0 0 currentColor; }
            50%   { opacity: 0.5; box-shadow: 0 0 0 4px transparent; }
        }

        /* === Chip (協議小標籤) === */
        .chips { display: flex; flex-wrap: wrap; gap: 6px; }
        .chip { display: inline-flex; align-items: center; gap: 4px; padding: 3px 9px; border-radius: 6px; font-size: 11px; font-family: var(--font-mono); background: rgba(56,189,248,0.08); border: 1px solid var(--line); color: var(--text-2); }
        .chip.vless { background: rgba(99,102,241,0.15); color: #a5b4fc; border-color: rgba(99,102,241,0.3); }
        .chip.trojan { background: rgba(244,63,94,0.12); color: #fda4af; border-color: rgba(244,63,94,0.25); }
        .chip.ss { background: rgba(52,211,153,0.12); color: #6ee7b7; border-color: rgba(52,211,153,0.3); }
        .chip.vmess { background: rgba(251,191,36,0.12); color: #fcd34d; border-color: rgba(251,191,36,0.25); }
        .chip.hysteria, .chip.hysteria2 { background: rgba(244,114,182,0.12); color: #f9a8d4; border-color: rgba(244,114,182,0.25); }
        .chip.tuic, .chip.mieru, .chip.snell, .chip.anytls, .chip.juicity { background: rgba(34,211,238,0.12); color: #67e8f9; border-color: rgba(34,211,238,0.25); }
        .chip.http, .chip.socks5 { background: rgba(100,116,139,0.18); color: var(--text-3); }
        .chip-num { color: var(--text); font-weight: 600; }

        /* === Table === */
        .table-wrap {
            border: 1px solid var(--line);
            border-radius: var(--r);
            overflow: hidden;
        }
        .table-scroll { max-height: 500px; overflow-y: auto; }
        table.data { width: 100%; border-collapse: collapse; font-size: 12.5px; }
        table.data thead th {
            position: sticky; top: 0; z-index: 5;
            background: rgba(10,20,40,0.95);
            backdrop-filter: blur(8px);
            padding: 10px 12px;
            text-align: left;
            font-size: 11px;
            letter-spacing: 0.5px;
            color: var(--text-3);
            text-transform: uppercase;
            font-weight: 600;
            border-bottom: 1px solid var(--line-2);
        }
        table.data thead th:not(:first-child) { text-align: center; }
        table.data tbody td { padding: 9px 12px; border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; }
        table.data tbody td:not(:first-child) { text-align: center; }
        table.data tbody tr { transition: background .15s; }
        table.data tbody tr:nth-child(even) { background: rgba(20,40,69,0.18); }
        table.data tbody tr:hover { background: rgba(34,211,238,0.06); }
        table.data tbody tr:last-child td { border-bottom: none; }
        table.data .name-cell { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
        table.data .name-cell a { color: var(--sky-300); text-decoration: none; }
        table.data .name-cell a:hover { color: var(--sky-400); text-decoration: underline; }

        /* === Toolbar (search/sort) === */
        .toolbar { display: flex; gap: 8px; align-items: center; margin-bottom: 10px; flex-wrap: wrap; }
        .toolbar input, .toolbar select {
            padding: 7px 12px;
            background: rgba(20,40,69,0.5);
            border: 1px solid var(--line);
            border-radius: var(--r-sm);
            color: var(--text);
            font-size: 13px;
            transition: border-color .2s, background .2s;
            outline: none;
        }
        .toolbar input { flex: 1; min-width: 200px; }
        .toolbar input::placeholder { color: var(--text-3); }
        .toolbar input:focus, .toolbar select:focus { border-color: var(--sky-500); background: rgba(20,40,69,0.7); }
        .toolbar .meta { font-size: 12px; color: var(--text-3); margin-left: auto; }

        /* === Score bands (柱狀圖) === */
        .score-band-row { margin-bottom: 10px; }
        .score-band-row:last-child { margin-bottom: 0; }
        .score-band-head { display: flex; justify-content: space-between; margin-bottom: 4px; font-size: 12px; }
        .score-band-bar { background: rgba(0,0,0,0.4); border-radius: 4px; height: 8px; overflow: hidden; }
        .score-band-fill { height: 100%; transition: width .6s ease; box-shadow: 0 0 6px currentColor; }

        /* === History list === */
        .history-list { max-height: 280px; overflow-y: auto; }
        .history-item {
            display: grid;
            grid-template-columns: auto 1fr auto auto;
            gap: 10px; align-items: center;
            padding: 8px 12px;
            background: rgba(20,40,69,0.3);
            border: 1px solid var(--line);
            border-radius: var(--r-sm);
            margin-bottom: 6px;
            font-size: 12px;
        }
        .history-item:last-child { margin-bottom: 0; }
        .history-item .round-id { font-family: var(--font-mono); color: var(--sky-400); font-weight: 600; }
        .history-item .round-time { color: var(--text-3); }
        .history-item .round-nodes { font-weight: 600; font-variant-numeric: tabular-nums; }
        .history-item .round-delta { font-family: var(--font-mono); font-weight: 600; font-variant-numeric: tabular-nums; }
        .history-item .protos { grid-column: 1 / -1; padding-top: 4px; border-top: 1px dashed var(--line); margin-top: 2px; display: flex; flex-wrap: wrap; gap: 4px; }

        /* === Source list (TOP / blacklist) === */
        .src-list { font-size: 12px; }
        .src-row { display: grid; grid-template-columns: auto auto 1fr; gap: 12px; align-items: center; padding: 6px 0; border-bottom: 1px dashed var(--line); }
        .src-row:last-child { border-bottom: none; }
        .src-row .score { color: var(--good); font-weight: 600; min-width: 48px; font-family: var(--font-mono); }
        .src-row .pass { color: var(--text-3); min-width: 56px; font-family: var(--font-mono); font-size: 11px; }
        .src-row a { color: var(--sky-300); text-decoration: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
        .src-row a:hover { color: var(--sky-400); }
        .src-row.bl .score { color: var(--err); }

        /* === Diff stats === */
        .diff-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
        .diff-tile {
            text-align: center; padding: 14px;
            background: rgba(20,40,69,0.3);
            border: 1px solid var(--line);
            border-radius: var(--r);
        }
        .diff-tile .label { font-size: 11px; color: var(--text-3); letter-spacing: 1px; text-transform: uppercase; }
        .diff-tile .value { font-size: 24px; font-weight: 700; margin-top: 6px; font-variant-numeric: tabular-nums; font-family: var(--font-mono); }

        /* === Refresh btn === */
        .refresh-btn {
            position: fixed; bottom: 28px; right: 28px;
            width: 52px; height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--sky-500), var(--cyan-500));
            color: white;
            border: none;
            font-size: 22px;
            cursor: pointer;
            box-shadow: 0 8px 32px -8px rgba(14,165,233,0.6), 0 0 0 1px rgba(56,189,248,0.4);
            transition: transform .25s, box-shadow .25s;
            z-index: 100;
        }
        .refresh-btn:hover { transform: rotate(180deg) scale(1.05); box-shadow: 0 12px 40px -8px rgba(14,165,233,0.8); }
        .refresh-btn:active { transform: rotate(180deg) scale(0.95); }

        /* === Loading === */
        .loading { text-align: center; padding: 28px; color: var(--text-3); font-size: 13px; }
        .loading::before { content: ""; display: inline-block; width: 14px; height: 14px; border: 2px solid var(--sky-500); border-top-color: transparent; border-radius: 50%; animation: spin 0.8s linear infinite; vertical-align: -3px; margin-right: 8px; }
        @keyframes spin { to { transform: rotate(360deg); } }
        .empty { text-align: center; padding: 24px; color: var(--text-3); font-size: 12px; }

        /* === Scrollbar === */
        ::-webkit-scrollbar { width: 8px; height: 8px; }
        ::-webkit-scrollbar-track { background: transparent; }
        ::-webkit-scrollbar-thumb { background: rgba(56,189,248,0.2); border-radius: 8px; }
        ::-webkit-scrollbar-thumb:hover { background: rgba(56,189,248,0.4); }

        /* === Maturity dots === */
        .maturity-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: middle; }
        .maturity-dot.scored { background: var(--good); box-shadow: 0 0 6px rgba(52,211,153,0.5); }
        .maturity-dot.mapped { background: var(--warn); box-shadow: 0 0 6px rgba(251,191,36,0.5); }
        .maturity-dot.known { background: var(--text-3); }

        /* === Score pill in cell === */
        .score-pill { display: inline-block; min-width: 36px; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 700; font-family: var(--font-mono); }
        .score-pill.s-elite { background: rgba(52,211,153,0.18); color: var(--good); border: 1px solid rgba(52,211,153,0.4); }
        .score-pill.s-good { background: rgba(56,189,248,0.18); color: var(--sky-400); border: 1px solid rgba(56,189,248,0.4); }
        .score-pill.s-mid { background: rgba(251,191,36,0.15); color: var(--warn); border: 1px solid rgba(251,191,36,0.35); }
        .score-pill.s-low { background: rgba(100,116,139,0.18); color: var(--text-3); border: 1px solid rgba(100,116,139,0.35); }

        /* === Sparkline === */
        svg.sparkline { vertical-align: middle; }

        /* === Responsive === */
        @media (max-width: 768px) {
            body { padding: 16px 12px 80px; }
            .container { max-width: 100%; }
            .card { padding: 16px; }
            .header { flex-direction: column; align-items: flex-start; }
            .hero { grid-template-columns: 1fr 1fr; }
            .stat-grid { grid-template-columns: 1fr 1fr; }
            .diff-grid { grid-template-columns: 1fr 1fr 1fr; }
            table.data { font-size: 11px; }
            table.data thead th, table.data tbody td { padding: 6px 8px; }
            .col-hide-sm { display: none; }
        }
    
/* === 敏感信息打码 (服务器/端口/加密方式) — 純展示, 無點擊互動 === */
.masked {
    cursor: default;
    user-select: none;
    font-family: var(--font-mono);
    padding: 2px 8px;
    border-radius: 6px;
    background: rgba(56,189,248,0.06);
    border: 1px dashed rgba(56,189,248,0.25);
    color: var(--text-2);
    letter-spacing: 0.5px;
    display: inline-block;
}