/* 
         * NovaVPN Visual Family - Variables 
         * 继承首页核心基调，页面角色变体
         */
        :root {
            --nova-primary: #e2566b;
            --nova-primary-dark: #c03d50;
            --nova-bg-main: #f8f9fa;
            --nova-bg-alt: #ffffff;
            --nova-bg-vault: #0a0b0d;
            --nova-text-main: #2c3038;
            --nova-text-muted: #6c757d;
            --nova-text-inverse: #e9ecef;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 30px;
            --shadow-soft: 0 10px 30px rgba(0,0,0,0.05);
            --shadow-hover: 0 15px 40px rgba(226, 86, 107, 0.15);
            --transition-speed: 0.15s ease;
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --layout-max-width: 1280px;
            --spacing-base: 1rem;
        }

        /* Base Reset & Typography */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-stack);
            background-color: var(--nova-bg-main);
            color: var(--nova-text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        
        /* Mandatory Flex/Text Rules */
        .pool, .vault, .mesh, .crown, .veil, .tail {
            display: flex;
            flex-wrap: wrap;
        }
        .pool > *, .vault > *, .mesh > *, .crown > *, .veil > *, .tail > * {
            min-width: 0;
        }
        .echo, .apex, .wire {
            word-break: break-word;
            overflow-wrap: break-word;
        }
        p.echo {
            word-break: keep-all;
        }
        h1.apex, h2.apex, h3.apex {
            white-space: normal;
        }

        /* Typography Styles */
        .apex {
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: inherit;
        }
        .apex-1 {
            font-size: clamp(2.5rem, 5vw, 4.5rem);
            margin-bottom: 1.5rem;
        }
        .apex-2 {
            font-size: clamp(2rem, 3.5vw, 2.75rem);
            margin-bottom: 1rem;
        }
        .apex-3 {
            font-size: clamp(1.25rem, 2vw, 1.5rem);
            margin-bottom: 0.75rem;
        }
        .echo {
            font-size: 1.125rem;
            color: var(--nova-text-muted);
            margin-bottom: 1.5rem;
        }
        .echo-inverse {
            color: rgba(233, 236, 239, 0.8);
        }

        /* 
         * Header (crown) 
         * 继承首页结构，样式适配深色基底 
         */
        .crown {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            padding: 1rem 5%;
            background: rgba(10, 11, 13, 0.95);
            backdrop-filter: blur(10px);
            justify-content: space-between;
            align-items: center;
            z-index: 1000;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .crest img {
            height: 32px;
            width: auto;
            display: block;
        }
        .mesh {
            gap: 2rem;
            align-items: center;
        }
        .wire {
            color: #e9ecef;
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            transition: color var(--transition-speed);
            padding: 0.5rem 0;
            position: relative;
        }
        .wire:hover, .wire:focus {
            color: var(--nova-primary);
        }
        .wire.active {
            color: var(--nova-primary);
        }
        .wire.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--nova-primary);
            border-radius: 2px;
        }

        /* Button Variant */
        .warp {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 1rem 2.5rem;
            background: var(--nova-primary);
            color: #fff;
            font-weight: 600;
            font-size: 1.125rem;
            text-decoration: none;
            border-radius: var(--radius-pill);
            border: 2px solid var(--nova-primary);
            box-shadow: 0 8px 20px rgba(226, 86, 107, 0.3);
            transition: all var(--transition-speed);
            cursor: pointer;
        }
        .warp:hover, .warp:focus {
            background: var(--nova-primary-dark);
            border-color: var(--nova-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 25px rgba(226, 86, 107, 0.4);
        }

        /* 
         * Hero Section (vault)
         * 创意种子: HERO:split_diagonal
         * 继承首页深色舞台，增加对角线切割几何基因
         */
        .vault {
            position: relative;
            background: var(--nova-bg-vault);
            color: var(--nova-text-inverse);
            padding: 180px 5% 120px;
            min-height: 85vh;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            z-index: 1;
        }
        /* Split Diagonal Background Element */
        .vault::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 60%;
            height: 100%;
            background: linear-gradient(135deg, rgba(226, 86, 107, 0.05) 0%, rgba(226, 86, 107, 0) 100%);
            clip-path: polygon(20% 0, 100% 0, 100% 100%, 0% 100%);
            z-index: -1;
        }
        .vault::after {
            content: '';
            position: absolute;
            bottom: -10%;
            left: -5%;
            width: 110%;
            height: 30%;
            background: var(--nova-bg-main);
            clip-path: polygon(0 100%, 100% 100%, 100% 40%, 0 0);
            z-index: -1;
        }
        
        .vault-inner {
            width: 100%;
            max-width: var(--layout-max-width);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 4rem;
        }
        .vault-echo {
            flex: 1 1 500px;
            max-width: 650px;
        }
        .vault-lens {
            flex: 1 1 400px;
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }
        /* Network Abstract Graphic */
        .net-glyph {
            width: 100%;
            max-width: 500px;
            height: auto;
            filter: drop-shadow(0 20px 40px rgba(226,86,107,0.2));
            animation: float 6s ease-in-out infinite;
        }
        @keyframes float {
            0% { transform: translateY(0); }
            50% { transform: translateY(-15px); }
            100% { transform: translateY(0); }
        }

        /* 
         * Regional Coverage (portal) 
         * 角色: 详细内容区块，杂志卡片网格
         */
        .portal {
            padding: 80px 5%;
            background: var(--nova-bg-main);
        }
        .portal-inner {
            max-width: var(--layout-max-width);
            margin: 0 auto;
        }
        .veil-center {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 4rem;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        /* Grid Layout for Cards */
        .pool-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2.5rem;
            width: 100%;
        }

        /* Card (node) - 继承首页面板语法 */
        .node {
            background: var(--nova-bg-alt);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            box-shadow: var(--shadow-soft);
            border: 1px solid rgba(0,0,0,0.02);
            transition: all var(--transition-speed);
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }
        .node::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--nova-primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-speed);
        }
        .node:hover, .node:focus-within {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
        }
        .node:hover::before, .node:focus-within::before {
            transform: scaleX(1);
        }
        .glyph-veil {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-md);
            background: rgba(226, 86, 107, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            color: var(--nova-primary);
        }
        .glyph-veil svg {
            width: 32px;
            height: 32px;
        }

        /* 
         * Performance Specs (base)
         * 角色: 结尾强化区块，对比度变换
         */
        .base {
            padding: 100px 5%;
            background: var(--nova-bg-alt);
            border-top: 1px solid rgba(0,0,0,0.03);
        }
        .base-inner {
            max-width: var(--layout-max-width);
            margin: 0 auto;
        }
        .pool-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 4rem;
        }
        /* Cell (cell) - 极简主义变体 */
        .cell {
            padding: 2rem;
            display: flex;
            flex-direction: column;
            border-left: 3px solid rgba(226, 86, 107, 0.2);
            transition: border-color var(--transition-speed);
        }
        .cell:hover {
            border-left-color: var(--nova-primary);
        }
        .cell .glyph-veil {
            background: transparent;
            margin-left: -1rem;
            margin-bottom: 0.5rem;
        }

        /* 
         * Footer (tail)
         */
        .tail {
            background: var(--nova-bg-vault);
            color: var(--nova-text-inverse);
            padding: 4rem 5% 2rem;
            flex-direction: column;
            align-items: center;
            border-top: 1px solid rgba(255,255,255,0.05);
        }
        .tail-brand {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
            color: #fff;
        }
        .tail-links {
            display: flex;
            gap: 1.5rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
            justify-content: center;
        }
        .tail-links .wire {
            color: rgba(233, 236, 239, 0.7);
        }
        .tail-links .wire:hover {
            color: #fff;
        }
        .tail-echo {
            font-size: 0.875rem;
            color: rgba(233, 236, 239, 0.5);
            text-align: center;
        }

        /* Responsive Breakpoints */
        @media (max-width: 1024px) {
            .vault {
                padding-top: 140px;
            }
            .vault-inner {
                gap: 2rem;
            }
            .apex-1 {
                font-size: 2.75rem;
            }
        }
        @media (max-width: 768px) {
            .mesh {
                display: none; /* In a real scenario, this would be a toggle menu. Keeping simple per layout instructions */
            }
            .vault {
                padding-top: 120px;
                text-align: center;
            }
            .vault-echo, .veil-center {
                align-items: center;
            }
            .vault-lens {
                order: -1; /* Move graphic above text on mobile */
            }
            .pool-grid, .pool-row {
                grid-template-columns: 1fr;
            }
            .cell {
                border-left: none;
                border-top: 3px solid rgba(226, 86, 107, 0.2);
                padding: 2rem 0;
            }
            .cell .glyph-veil {
                margin-left: 0;
            }
        }

.helm-crown.helm-pool {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    color: var(--nova-text-main);
}
.helm-crown.helm-pool,
.helm-crown.helm-pool *,
.helm-crown.helm-pool *::before,
.helm-crown.helm-pool *::after {
    box-sizing: border-box;
}

.helm-crown.helm-pool [role="navigation"],
.helm-crown.helm-pool div,
.helm-crown.helm-pool section,
.helm-crown.helm-pool article,
.helm-crown.helm-pool aside,
.helm-crown.helm-pool p,
.helm-crown.helm-pool h1,
.helm-crown.helm-pool h2,
.helm-crown.helm-pool h3,
.helm-crown.helm-pool h4,
.helm-crown.helm-pool h5,
.helm-crown.helm-pool h6,
.helm-crown.helm-pool a {
    margin: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    letter-spacing: inherit;
    line-height: inherit;
}

.helm-crown.helm-pool p,
.helm-crown.helm-pool h1,
.helm-crown.helm-pool h2,
.helm-crown.helm-pool h3,
.helm-crown.helm-pool h4,
.helm-crown.helm-pool h5,
.helm-crown.helm-pool h6 {
    text-decoration: none;
}

.helm-crown.helm-pool img {
    display: block;
    max-width: 100%;
    height: auto;
    border: 0;
}

.helm-crown.helm-pool {
    box-shadow: none;
    filter: none;
    text-shadow: none;
    background-image: none;
    border-top: none;
    border-left: none;
    border-right: none;
    outline: none;
}

.helm-crown.helm-pool a.helm-wire {
    --aisite-shell-nav-padding: 0;
    --aisite-shell-nav-margin: 0;
    --aisite-shell-nav-line-height: normal;
    --aisite-shell-nav-display: inline;
    --aisite-shell-nav-height: auto;
    --aisite-shell-nav-min-height: auto;
}

.helm-crown.helm-pool a.helm-wire,
.helm-crown.helm-pool a.helm-wire:hover,
.helm-crown.helm-pool a.helm-wire:focus,
.helm-crown.helm-pool a.helm-wire:active,
.helm-crown.helm-pool a.helm-wire.active,
.helm-crown.helm-pool a.helm-wire[aria-current="page"] {
    background: transparent;
    border: none;
    border-bottom: none;
    box-shadow: none;
    outline: none;
    text-decoration: none;
    padding: var(--aisite-shell-nav-padding, 0);
    margin: var(--aisite-shell-nav-margin, 0);
    line-height: var(--aisite-shell-nav-line-height, normal);
    display: var(--aisite-shell-nav-display, inline);
    height: var(--aisite-shell-nav-height, auto);
    min-height: var(--aisite-shell-nav-min-height, auto);
}

.helm-crown.helm-pool .helm-pool, .helm-crown.helm-pool .helm-mesh{
            display: flex;
            flex-wrap: wrap;
        }

.helm-crown.helm-pool .helm-pool > *, .helm-crown.helm-pool .helm-mesh > *{
            min-width: 0;
        }

.helm-crown.helm-pool .helm-crown{
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(10, 11, 13, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255,255,255,0.05);
            padding: 1rem 5vw;
            justify-content: space-between;
            align-items: center;
        }

.helm-crown.helm-pool .helm-crest{
            display: flex;
            align-items: center;
            height: 32px;
        }

.helm-crown.helm-pool .helm-crest img{
            height: 100%;
            width: auto;
            object-fit: contain;
        }

.helm-crown.helm-pool .helm-mesh{
            gap: 2rem;
            align-items: center;
        }

.helm-crown.helm-pool .helm-wire{
            color: #e9ecef;
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            transition: color 0.15s ease;
            position: relative;
        }

.helm-crown.helm-pool .helm-wire:hover, .helm-crown.helm-pool .helm-wire.active{
            color: #e2566b;
        }

.helm-crown.helm-pool .helm-wire.active::after{
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 2px;
            background: #e2566b;
            border-radius: 2px;
        }

@media (max-width: 768px){.helm-crown.helm-pool .helm-crown{
                padding: 1rem 5vw;
                flex-direction: column;
                gap: 1rem;
            }

.helm-crown.helm-pool .helm-mesh{
                gap: 1rem;
                flex-wrap: wrap;
                justify-content: center;
            }}

.crypt-tail {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    color: var(--nova-text-main);
}
.crypt-tail,
.crypt-tail *,
.crypt-tail *::before,
.crypt-tail *::after {
    box-sizing: border-box;
}

.crypt-tail [role="navigation"],
.crypt-tail div,
.crypt-tail section,
.crypt-tail article,
.crypt-tail aside,
.crypt-tail p,
.crypt-tail h1,
.crypt-tail h2,
.crypt-tail h3,
.crypt-tail h4,
.crypt-tail h5,
.crypt-tail h6,
.crypt-tail a {
    margin: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    letter-spacing: inherit;
    line-height: inherit;
}

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

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

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

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

.crypt-tail .crypt-echo{
            word-break: break-word;
            overflow-wrap: break-word;
            word-break: keep-all; 
        }

.crypt-tail{
            background: #050608;
            color: #8a8d93;
            padding: 4rem 5vw 2rem;
            border-top: 1px solid rgba(255,255,255,0.05);
        }

.crypt-tail .crypt-tail-orbit{
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 3rem;
            padding-bottom: 3rem;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }

.crypt-tail .crypt-tail-brand{
            flex: 1 1 300px;
        }

.crypt-tail .crypt-tail-brand h2{
            color: #fff;
            font-size: 1.5rem;
            margin-bottom: 1rem;
            letter-spacing: 1px;
        }

.crypt-tail .crypt-tail-brand p{
            font-size: 0.9rem;
            max-width: 300px;
        }

.crypt-tail .crypt-tail-mesh{
            display: flex;
            gap: 4rem;
            flex-wrap: wrap;
        }

.crypt-tail .crypt-tail-pool{
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

.crypt-tail .crypt-tail-pool h4{
            color: #fff;
            font-size: 1rem;
            margin-bottom: 0.5rem;
        }

.crypt-tail .crypt-tail-pool a{
            color: #8a8d93;
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.15s ease;
        }

.crypt-tail .crypt-tail-pool a:hover{
            color: #e2566b;
        }

.crypt-tail .crypt-tail-base{
            max-width: 1400px;
            margin: 2rem auto 0;
            text-align: center;
            font-size: 0.85rem;
        }