:root {
            --bg-base: #080a0f;
            --bg-surface: #121620;
            --bg-elevated: #1a1f2c;
            --text-main: #f0f4f8;
            --text-muted: #94a3b8;
            --accent: #18efa4;
            --accent-hover: #12c989;
            --radius-sm: 12px;
            --radius-md: 18px;
            --radius-lg: 24px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            --glow: 0 0 20px rgba(24, 239, 164, 0.15);
            --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --transition: all 0.15s ease;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            min-width: 0; /* Flexbox safety */
        }

        body {
            font-family: var(--font);
            background-color: var(--bg-base);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
            word-break: break-word;
            overflow-wrap: break-word;
        }

        /* Typography */
        .apex {
            white-space: normal;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        
        .apex-huge {
            font-size: clamp(2.5rem, 5vw, 4.5rem);
            margin-bottom: 1.5rem;
        }

        .apex-large {
            font-size: clamp(2rem, 3vw, 2.5rem);
            margin-bottom: 1rem;
        }

        .apex-medium {
            font-size: 1.25rem;
            margin-bottom: 0.5rem;
            color: var(--accent);
        }

        .lore {
            font-size: 1.125rem;
            color: var(--text-muted);
            margin-bottom: 1.5rem;
            word-break: keep-all;
        }

        /* Layout Primitives */
        .zone {
            display: flex;
            flex-direction: column;
            width: 100%;
        }

        .mesh {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        .pack {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        /* Interactive Elements */
        .key {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: var(--bg-base);
            padding: 1rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 700;
            text-decoration: none;
            border: none;
            box-shadow: 0 4px 20px rgba(24, 239, 164, 0.2);
            transition: var(--transition);
            cursor: pointer;
            font-size: 1.125rem;
        }

        .key:hover, .key:focus {
            transform: translateY(-2px);
            background: var(--accent-hover);
            box-shadow: 0 6px 24px rgba(24, 239, 164, 0.3);
            outline: none;
        }

        .key-ghost {
            background: transparent;
            color: var(--text-main);
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: none;
        }

        .key-ghost:hover, .key-ghost:focus {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(255, 255, 255, 0.4);
            box-shadow: none;
            color: #fff;
        }

        /* Header / Nav (Mandatory Reuse Styling) */
        .crown {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(8, 10, 15, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding: 1rem 0;
        }

        .crown-mesh {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }

        .seal img {
            height: 32px;
            width: auto;
            display: block;
        }

        .route-chain {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            align-items: center;
        }

        .route-path {
            color: var(--text-muted);
            text-decoration: none;
            font-weight: 500;
            font-size: 1rem;
            transition: var(--transition);
            position: relative;
        }

        .route-path:hover, .route-path:focus {
            color: var(--text-main);
            outline: none;
        }

        .route-path.active {
            color: var(--accent);
        }

        .route-path.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        /* 1. Hero Map (Article - intro) - Asymmetric Grid Seed */
        .cloak {
            padding: 140px 0 100px;
            position: relative;
            overflow: hidden;
        }

        .cloak::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100vw;
            height: 100%;
            background: radial-gradient(circle at 70% 30%, rgba(24, 239, 164, 0.08) 0%, transparent 60%);
            z-index: -1;
            pointer-events: none;
        }

        .cloak .mesh {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 4rem;
            align-items: center;
        }

        .cloak-lens {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow), var(--glow);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transform: perspective(1000px) rotateY(-5deg);
            transition: var(--transition);
        }

        .cloak-lens:hover {
            transform: perspective(1000px) rotateY(0deg) translateY(-5px);
        }

        .lens {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
        }

        /* 2. Region List (Section - detail) */
        .vault {
            padding: 100px 0;
            background: linear-gradient(180deg, var(--bg-base) 0%, var(--bg-surface) 100%);
        }

        .vault .pack {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
            margin-top: 3rem;
        }

        .cell {
            background: var(--bg-elevated);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            padding: 2.5rem;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }

        .cell::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 0;
            background: var(--accent);
            transition: var(--transition);
        }

        .cell:hover {
            transform: translateY(-8px);
            border-color: rgba(24, 239, 164, 0.3);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
        }

        .cell:hover::before {
            height: 100%;
        }

        .rune {
            width: 48px;
            height: 48px;
            margin-bottom: 1.5rem;
            fill: none;
            stroke: var(--accent);
            stroke-width: 1.5;
            stroke-linecap: round;
            stroke-linejoin: round;
            background: rgba(24, 239, 164, 0.1);
            padding: 10px;
            border-radius: var(--radius-sm);
        }

        /* 3. Tier Comparison (Aside - comparison) */
        .surge {
            padding: 100px 0;
            background: var(--bg-surface);
        }

        .surge-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 32px;
            margin-top: 3rem;
        }

        .node {
            background: var(--bg-base);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 3rem 2.5rem;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }
        
        .node-premium {
            border-color: rgba(24, 239, 164, 0.4);
            background: linear-gradient(145deg, var(--bg-elevated) 0%, var(--bg-base) 100%);
            box-shadow: var(--glow);
            position: relative;
        }

        .node-premium::after {
            content: '推荐';
            position: absolute;
            top: -12px;
            right: 32px;
            background: var(--accent);
            color: var(--bg-base);
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.875rem;
            font-weight: 700;
        }

        .band {
            display: flex;
            align-items: center;
            padding: 1rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .band:last-of-type {
            border-bottom: none;
            margin-bottom: 2rem;
        }

        .band svg {
            width: 24px;
            height: 24px;
            margin-right: 12px;
            flex-shrink: 0;
        }

        .band-lore {
            color: var(--text-main);
            font-size: 1.05rem;
        }

        .band-muted {
            color: var(--text-muted);
            text-decoration: line-through;
            opacity: 0.5;
        }

        /* 4. Status Board (Div - proof) */
        .mesh {
            padding: 80px 0 120px;
            background: var(--bg-base);
            text-align: center;
        }

        .mesh .tunnel {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 2rem;
            margin-top: 3rem;
        }

        .bead {
            background: var(--bg-surface);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            padding: 2rem;
            min-width: 200px;
            flex: 1 1 200px;
            max-width: 300px;
            transition: var(--transition);
        }

        .bead:hover {
            background: var(--bg-elevated);
            border-color: rgba(255, 255, 255, 0.1);
        }

        .bead-data {
            font-size: 3rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .bead-data span {
            color: var(--accent);
        }

        /* Footer */
        .base {
            background: var(--bg-surface);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 4rem 0 2rem;
            text-align: center;
        }

        .base-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 1rem;
        }

        .base-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.5rem;
            margin-bottom: 2rem;
        }
        
        .base-links a {
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
        }

        .base-links a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .cloak .mesh {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .cloak-lens {
                transform: none;
                margin-top: 2rem;
            }
            .cloak-lens:hover {
                transform: translateY(-5px);
            }
            .pack {
                justify-content: center;
            }
        }

        @media (max-width: 768px) {
            .route-chain {
                gap: 1rem;
                justify-content: center;
                width: 100%;
                margin-top: 1rem;
            }
            .crown-mesh {
                flex-direction: column;
            }
            .vault .pack {
                grid-template-columns: 1fr;
            }
            .surge-grid {
                grid-template-columns: 1fr;
            }
            .apex-huge {
                font-size: 2.25rem;
            }
        }

.route-crown .route-tunnel{
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 5vw;
            display: flex;
            flex-wrap: wrap;
        }

.route-crown{
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(8, 10, 15, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1rem 0;
        }

.route-crown .route-crown-mesh{
            justify-content: space-between;
            align-items: center;
        }

.route-crown .route-seal img{
            height: 32px;
            display: block;
        }

.route-crown .route-route-chain{
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            align-items: center;
        }

.route-crown .route-route-path{
            color: #f0f4f8;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.5rem 0;
            position: relative;
        }

.route-crown .route-route-path:hover, .route-crown .route-route-path.active{
            color: #18efa4;
        }

.route-crown .route-route-path.active::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: #18efa4;
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(24, 239, 164, 0.2);
        }

@media (max-width: 768px){.route-crown .route-route-chain{
                display: none; 
            }

.route-crown .route-crown-mesh{
                justify-content: center;
            }}

.route-crown {
    background: rgb(8, 10, 15);
    background-image: none;
}

.anchor-heel {
    font-family: var(--font);
    line-height: 1.6;
    color: var(--text-main);
}
.anchor-heel,
.anchor-heel *,
.anchor-heel *::before,
.anchor-heel *::after {
    box-sizing: border-box;
}

.anchor-heel nav,
.anchor-heel div,
.anchor-heel section,
.anchor-heel article,
.anchor-heel aside,
.anchor-heel p,
.anchor-heel h1,
.anchor-heel h2,
.anchor-heel h3,
.anchor-heel h4,
.anchor-heel h5,
.anchor-heel h6,
.anchor-heel a {
    margin: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    letter-spacing: inherit;
    line-height: inherit;
}

.anchor-heel p,
.anchor-heel h1,
.anchor-heel h2,
.anchor-heel h3,
.anchor-heel h4,
.anchor-heel h5,
.anchor-heel h6 {
    text-decoration: none;
}

.anchor-heel img {
    display: block;
    max-width: 100%;
    height: auto;
    border: 0;
}

.anchor-heel {
    box-shadow: none;
    filter: none;
    text-shadow: none;
    background-image: none;
    border-top: none;
    border-left: none;
    border-right: none;
    outline: none;
}

.anchor-heel a,
.anchor-heel a:hover,
.anchor-heel a:focus,
.anchor-heel a:active {
    background: transparent;
    box-shadow: none;
    outline: none;
    text-decoration: none;
}

.anchor-heel .anchor-tunnel{
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 5vw;
            display: flex;
            flex-wrap: wrap;
        }

.anchor-heel{
            background: #080a0f;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 4rem 0 2rem;
            margin-top: 4rem;
        }

.anchor-heel .anchor-heel-mesh{
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 2rem;
        }

.anchor-heel .anchor-base-brand{
            font-size: 1.5rem;
            font-weight: 800;
            color: #f0f4f8;
            letter-spacing: 1px;
        }

.anchor-heel .anchor-base-lore{
            color: #94a3b8;
            font-size: 0.9rem;
        }