:root {
    --primary: #d36e52;
    --primary-dim: rgba(211, 110, 82, 0.15);
    --primary-hover: #e07d61;
    --bg-base: #161514;
    --bg-surface: #1e1d1c;
    --bg-elevated: #282625;
    --text-main: #f0ebe6;
    --text-muted: #99948e;
    --radius: 6px;
    --shadow-base: 0 4px 12px rgba(0,0,0,0.5), 0 1px 3px rgba(0,0,0,0.3);
    --shadow-hover: 0 12px 28px rgba(0,0,0,0.6), 0 4px 8px rgba(0,0,0,0.4);
    --transition: 0.35s ease;
}

*, *::before, *::after {
    box-sizing: border-box;
    min-width: 0;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-base);
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 导航栏样式 (复用首页风格) */
.crown {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(22, 21, 20, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.helm {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 5vw;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

.crest {
    display: flex;
    align-items: center;
}

.crest img {
    height: 32px;
    width: auto;
}

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

.tie {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
}

.tie:hover {
    color: var(--text-main);
}

.tie.active {
    color: var(--primary);
}

/* 主容器 */
.tunnel {
    padding-top: 80px; /* Offset for fixed header */
    display: flex;
    flex-direction: column;
    gap: 4rem;
    padding-bottom: 6rem;
}

/* 通用文本与排版 */
.peak {
    line-height: 1.3;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #ffffff;
    margin: 0 0 1rem 0;
    white-space: normal;
    word-break: break-word;
}

.hash {
    color: var(--text-muted);
    margin: 0 0 2rem 0;
    font-size: 1.1rem;
    word-break: break-word;
    overflow-wrap: break-word;
    word-break: keep-all;
}

/* 通用组件 */
.lens {
    border-radius: var(--radius);
    box-shadow: var(--shadow-base);
    border: 1px solid rgba(255,255,255,0.05);
}

.pulse {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 2rem;
    background-color: var(--primary);
    color: #fff;
    font-weight: 600;
    border-radius: var(--radius);
    box-shadow: 0 0 20px var(--primary-dim);
    border: none;
    cursor: pointer;
    text-align: center;
}

.pulse:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(211, 110, 82, 0.3);
}

.glyph {
    fill: currentColor;
    flex-shrink: 0;
}

/* 第一部分：获取 Nexus VPN (Hero Variant) */
.acquire-portal {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    padding: 4rem 5vw 2rem;
    background: radial-gradient(circle at 50% 0%, var(--bg-surface), var(--bg-base) 70%);
    justify-content: center;
}

.acquire-veil {
    max-width: 1200px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.acquire-veil .peak {
    font-size: clamp(2.5rem, 5vw, 4rem);
    max-width: 800px;
}

.acquire-veil .hash {
    max-width: 600px;
    margin-bottom: 3rem;
}

.acquire-media {
    width: 100%;
    max-width: 900px;
    margin-bottom: 4rem;
    position: relative;
}

.acquire-media::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 10%;
    right: 10%;
    height: 20px;
    background: var(--primary);
    filter: blur(40px);
    opacity: 0.15;
    z-index: -1;
}

.platform-pack {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    width: 100%;
    text-align: left;
}

.platform-node {
    padding: 2.5rem 2rem;
    background: var(--bg-elevated);
    border: 1px solid #363330;
    border-radius: var(--radius);
    box-shadow: inset 0 0 20px rgba(0,0,0,0.2), var(--shadow-base);
    display: flex;
    flex-direction: column;
    transition: transform var(--transition), box-shadow var(--transition);
}

.platform-node:hover {
    transform: translateY(-5px);
    box-shadow: inset 0 0 20px rgba(0,0,0,0.1), var(--shadow-hover);
    border-color: rgba(211, 110, 82, 0.3);
}

.platform-crown {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.platform-crown .glyph {
    width: 40px;
    height: 40px;
    color: var(--text-main);
    background: rgba(255,255,255,0.05);
    padding: 8px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.1);
}

.platform-crown .peak {
    font-size: 1.5rem;
    margin: 0;
}

.platform-node .hash {
    font-size: 0.95rem;
    margin-bottom: auto;
    padding-bottom: 2rem;
}

.platform-node .pulse {
    width: 100%;
}

.version-zone {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* 第二部分：连接展示 */
.showcase-nexus {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5vw;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4rem;
}

.showcase-veil {
    flex: 1;
    min-width: 300px;
}

.showcase-veil .peak {
    font-size: clamp(2rem, 4vw, 3rem);
}

.showcase-media {
    flex: 1.2;
    min-width: 300px;
    position: relative;
}

.feature-pack {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-vein {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.feature-vein .glyph {
    width: 24px;
    height: 24px;
    color: var(--primary);
    margin-top: 4px;
}

.feature-vein-hash .peak {
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
}

.feature-vein-hash .hash {
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* 第三部分：节点库展示 */
.nodes-gate {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 5vw;
    display: flex;
    flex-wrap: wrap-reverse;
    align-items: center;
    gap: 4rem;
    background: var(--bg-surface);
    border-radius: 24px;
    border: 1px solid rgba(255,255,255,0.03);
}

.nodes-media {
    flex: 1.2;
    min-width: 300px;
}

.nodes-veil {
    flex: 1;
    min-width: 300px;
}

.nodes-veil .peak {
    font-size: clamp(2rem, 4vw, 3rem);
}

.stats-zone {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.stat-vein .peak {
    color: var(--primary);
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.stat-vein .hash {
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* 页脚 */
.sole {
    background: var(--bg-surface);
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 4rem 5vw 2rem;
}

.base {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.base-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.02em;
}

.base-mesh {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

.base-tie {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.base-tie:hover {
    color: var(--text-main);
}

.base-hash {
    width: 100%;
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* 响应式 */
@media (max-width: 768px) {
    .helm {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .mesh {
        gap: 1rem;
        justify-content: center;
    }
    
    .tunnel {
        padding-top: 120px;
        gap: 3rem;
    }

    .showcase-nexus,
    .nodes-gate {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
        padding: 2rem 5vw;
    }
    
    .nodes-gate {
        flex-direction: column-reverse;
    }

    .feature-vein {
        text-align: left;
    }
    
    .base {
        flex-direction: column;
        text-align: center;
    }
}

.helm-crown {
    font-family: var(--font-sans);
    line-height: 1.7;
    color: var(--text-main);
}
.helm-crown,
.helm-crown *,
.helm-crown *::before,
.helm-crown *::after {
    box-sizing: border-box;
}

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

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

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

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

.helm-crown a.helm-tie {
    --aisite-shell-nav-padding: 0.5rem 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 a.helm-tie,
.helm-crown a.helm-tie:hover,
.helm-crown a.helm-tie:focus,
.helm-crown a.helm-tie:active,
.helm-crown a.helm-tie.active,
.helm-crown a.helm-tie[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{
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(22, 21, 20, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid #363330;
        }

.helm-crown .helm-helm{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            max-width: 1280px;
            margin: 0 auto;
            padding: 1rem 5vw;
        }

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

.helm-crown .helm-crest{
            flex-shrink: 0;
            height: 32px;
            display: flex;
            align-items: center;
        }

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

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

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

.helm-crown .helm-tie{
            font-size: 0.95rem;
            font-weight: 500;
            color: #99948e;
            padding: 0.5rem 0;
            position: relative;
        }

.helm-crown .helm-tie:hover{
            color: #f0ebe6;
        }

.helm-crown .helm-tie.active{
            color: #d36e52;
        }

.helm-crown .helm-tie.active::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #d36e52;
            border-radius: 2px;
        }

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

.helm-crown {
    background: rgb(22, 21, 20);
    background-image: none;
}

.base-sole {
    font-family: var(--font-sans);
    line-height: 1.7;
    color: var(--text-main);
}
.base-sole,
.base-sole *,
.base-sole *::before,
.base-sole *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.base-sole .base-tie{
            font-size: 0.95rem;
            font-weight: 500;
            color: #99948e;
            padding: 0.5rem 0;
            position: relative;
        }

.base-sole .base-tie:hover{
            color: #f0ebe6;
        }

.base-sole .base-tie.active{
            color: #d36e52;
        }

.base-sole .base-tie.active::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #d36e52;
            border-radius: 2px;
        }

.base-sole{
            background-color: #1e1d1c;
            border-top: 1px solid #363330;
            padding: 4rem 5vw;
            color: #99948e;
            font-size: 0.9rem;
        }

.base-sole .base-base{
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 2rem;
        }

.base-sole .base-base > *{ min-width: 0; }

.base-sole .base-root{
            font-size: 1.2rem;
            font-weight: 700;
            color: #f0ebe6;
            letter-spacing: 0.5px;
        }

.base-sole .base-anchor-pack{
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
        }

.base-sole .base-anchor-pack > *{ min-width: 0; }

@media (max-width: 768px){.base-sole .base-base{
                flex-direction: column;
                align-items: flex-start;
            }}