:root {
    --primary: #f642d5;
    --primary-hover: #d52bb7;
    --bg-light: #fdfdfd;
    --bg-muted: #f4f6f9;
    --bg-dark: #1e2022;
    --text-main: #1e2022;
    --text-muted: #5a6268;
    --text-inverse: #ffffff;
    --radius: 14px;
    --radius-lg: 24px;
    --radius-pill: 30px;
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 4px 15px rgba(246, 66, 213, 0.3);
    --max-width: 1320px;
    --transition: all 0.25s ease;
}

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

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

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

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

svg {
    fill: currentColor;
}

/* 基础约束 */
.tunnel {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding-left: 5%;
    padding-right: 5%;
}

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

.apex {
    white-space: normal;
}

/* 导航系统 */
.prow {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(253, 253, 253, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.orbit {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem 5%;
}

.crest {
    min-width: 0;
    display: flex;
    align-items: center;
}

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

.array {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    min-width: 0;
}

.wire {
    font-weight: 500;
    color: var(--text-muted);
    font-size: 1rem;
}

.wire:hover {
    color: var(--primary);
}

.wire.active {
    color: var(--primary);
    position: relative;
}

.wire.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary);
    border-radius: 2px;
}

/* 页面骨架 */
main {
    display: flex;
    flex-direction: column;
    gap: 6rem;
    padding-bottom: 6rem;
}

/* 1. 下载核心区 (Acquire) */
.nexus {
    padding: 6rem 0 4rem;
    background: linear-gradient(145deg, var(--bg-light) 0%, #fff0fa 100%);
    position: relative;
    overflow: hidden;
}

.nexus::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 60%;
    height: 150%;
    background: radial-gradient(circle, rgba(246,66,213,0.03) 0%, rgba(255,255,255,0) 70%);
    z-index: 0;
}

.nexus .matrix {
    display: grid;
    grid-template-columns: minmax(320px, 1fr) minmax(400px, 1.2fr);
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.nexus-shell {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    min-width: 0;
}

.nexus .apex {
    color: var(--text-main);
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.nexus-shell .echo {
    font-size: 1.15rem;
    color: var(--text-muted);
}

.cluster-ping {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
    min-width: 0;
}

.ping-primary {
    background-color: var(--primary);
    color: var(--text-inverse);
    padding: 1rem 2.5rem;
    border-radius: var(--radius-pill);
    font-weight: 600;
    box-shadow: var(--shadow-glow);
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    border: 2px solid transparent;
}

.ping-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-3px);
    color: var(--text-inverse);
}

.ping-secondary {
    background-color: transparent;
    color: var(--text-main);
    padding: 1rem 2.5rem;
    border-radius: var(--radius-pill);
    font-weight: 600;
    border: 2px solid rgba(0,0,0,0.1);
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background-color: #fff;
}

.ping-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-3px);
}

.node-lens {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255,255,255,0.8);
    min-width: 0;
    background-color: var(--bg-muted);
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
    transition: var(--transition);
}

.node-lens:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.band-status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: rgba(246, 66, 213, 0.1);
    color: var(--primary);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    font-weight: 600;
    align-self: flex-start;
}

.band-status::before {
    content: '';
    width: 8px;
    height: 8px;
    background-color: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(246, 66, 213, 0.4); }
    70% { box-shadow: 0 0 0 6px rgba(246, 66, 213, 0); }
    100% { box-shadow: 0 0 0 0 rgba(246, 66, 213, 0); }
}

/* 2. 界面展示 (Showcase) */
.portal {
    background-color: var(--bg-light);
}

.portal-shell {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
}

.portal-head {
    text-align: center;
    max-width: 700px;
    min-width: 0;
}

.portal-head .apex {
    font-size: clamp(2rem, 3vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.portal-head .echo {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.portal-lens {
    border-radius: var(--radius);
    box-shadow: 0 20px 40px rgba(0,0,0,0.06);
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.05);
    background-color: var(--bg-muted);
    width: 100%;
    position: relative;
}

.portal-lens::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 100%);
    pointer-events: none;
}

/* 3. 版本指南 (Comparison) */
.vertex {
    background-color: var(--bg-muted);
    padding: 5rem 0;
    border-radius: var(--radius-lg);
}

.vertex .tunnel {
    display: flex;
    flex-direction: column;
    gap: 3.5rem;
}

.vertex-head {
    text-align: center;
    min-width: 0;
}

.vertex-head .apex {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cluster-shard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.shard {
    background-color: var(--bg-light);
    padding: 3rem 2.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.03);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    min-width: 0;
    position: relative;
    transition: var(--transition);
}

.shard:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: rgba(246, 66, 213, 0.2);
}

.shard.highlight {
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-glow);
}

.shard-mark {
    position: absolute;
    top: -12px;
    right: 2.5rem;
    background-color: var(--primary);
    color: #fff;
    padding: 0.2rem 1rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.shard-glyph {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(246, 66, 213, 0.1), rgba(246, 66, 213, 0.02));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.shard-apex {
    font-size: 1.4rem;
    font-weight: 700;
}

.shard-echo {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.shard-band {
    height: 1px;
    background-color: rgba(0,0,0,0.06);
    margin: 0.5rem 0;
}

.cluster-cell {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-width: 0;
    flex-grow: 1;
}

.cell {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    color: var(--text-main);
    font-size: 0.95rem;
}

.cell svg {
    flex-shrink: 0;
    margin-top: 0.2rem;
    color: var(--primary);
}

/* 4. 环境要求 (Requirements) */
.zone {
    margin-top: -2rem;
}

.base-matrix {
    display: flex;
    flex-wrap: wrap;
    gap: 4rem;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #2a2d30 100%);
    color: var(--text-inverse);
    border-radius: var(--radius-lg);
    padding: 4rem;
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.base-shell {
    flex: 1;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.base-apex {
    font-size: 2rem;
    font-weight: 700;
}

.base-echo {
    color: rgba(255,255,255,0.7);
    font-size: 1.1rem;
}

.cluster-band {
    flex: 1;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.band-cell {
    background-color: rgba(255,255,255,0.06);
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary);
    display: flex;
    align-items: flex-start;
    gap: 1.2rem;
    transition: var(--transition);
}

.band-cell:hover {
    background-color: rgba(255,255,255,0.1);
    transform: translateX(5px);
}

.band-glyph {
    width: 40px;
    height: 40px;
    background-color: rgba(246, 66, 213, 0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.band-echo {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    min-width: 0;
}

.band-apex {
    font-weight: 600;
    font-size: 1.05rem;
}

.band-desc {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
}

/* 页脚 */
.wake {
    background-color: var(--bg-light);
    border-top: 1px solid rgba(0,0,0,0.05);
    padding: 5rem 0 2rem;
}

.wake-matrix {
    display: flex;
    flex-wrap: wrap;
    gap: 4rem;
    justify-content: space-between;
}

.wake-shell {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    min-width: 240px;
}

.wake-crest {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.5px;
}

.wake-echo {
    color: var(--text-muted);
    font-size: 0.95rem;
    max-width: 320px;
}

.cluster-wake {
    display: flex;
    flex-wrap: wrap;
    gap: 4rem;
    min-width: 0;
}

.wake-array {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-width: 120px;
}

.wake-apex {
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.wake-wire {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.wake-wire:hover {
    color: var(--primary);
}

.wake-band {
    margin-top: 5rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(0,0,0,0.05);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* 响应式调整 */
@media (max-width: 1024px) {
    .nexus .matrix {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .nexus-shell {
        align-items: center;
    }
    .band-status {
        align-self: center;
    }
    .cluster-ping {
        justify-content: center;
    }
    .node-lens {
        transform: none;
        max-width: 800px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .orbit {
        flex-direction: column;
        gap: 1.5rem;
    }
    .array {
        justify-content: center;
        width: 100%;
        gap: 1rem;
    }
    .nexus {
        padding: 4rem 0 2rem;
    }
    .base-matrix {
        padding: 2.5rem 1.5rem;
    }
    .wake-matrix {
        flex-direction: column;
        gap: 3rem;
    }
    .cluster-wake {
        flex-direction: column;
        gap: 2rem;
    }
}

.orbit-prow{
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(253, 253, 253, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #e9ecef;
            padding: 1rem 0;
        }

.orbit-prow .orbit-orbit{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 5%;
        }

.orbit-prow .orbit-orbit > *{
            min-width: 0;
        }

.orbit-prow .orbit-crest{
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }

.orbit-prow .orbit-crest img{
            height: 36px;
            width: auto;
            display: block;
        }

.orbit-prow .orbit-array{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 2rem;
        }

.orbit-prow .orbit-array > *{
            min-width: 0;
        }

.orbit-prow .orbit-wire{
            text-decoration: none;
            color: #1e2022;
            font-weight: 500;
            font-size: 1rem;
            transition: color 0.25s ease;
            position: relative;
        }

.orbit-prow .orbit-wire:hover, .orbit-prow .orbit-wire.active{
            color: #f642d5;
        }

.orbit-prow .orbit-wire.active::after{
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #f642d5;
            border-radius: 2px;
        }

@media (max-width: 768px){.orbit-prow .orbit-orbit{
                flex-direction: column;
                gap: 1rem;
            }

.orbit-prow .orbit-array{
                justify-content: center;
            }}

.orbit-prow {
    background: rgb(253, 253, 253);
    background-image: none;
}

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

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

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

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

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

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

.anchor-wake .anchor-echo{
            word-break: break-word;
            overflow-wrap: break-word;
            word-break: keep-all;
            margin-bottom: 1.2rem;
            color: #5a6268;
            font-size: 1.05rem;
        }

.anchor-wake .anchor-apex{
            white-space: normal;
            color: #1e2022;
            line-height: 1.3;
            margin-bottom: 1.5rem;
            font-weight: 700;
        }

.anchor-wake .anchor-vessel{
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 5%;
        }

.anchor-wake .anchor-array{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 2rem;
        }

.anchor-wake .anchor-array > *{
            min-width: 0;
        }

.anchor-wake .anchor-wire{
            text-decoration: none;
            color: #1e2022;
            font-weight: 500;
            font-size: 1rem;
            transition: color 0.25s ease;
            position: relative;
        }

.anchor-wake .anchor-wire:hover, .anchor-wake .anchor-wire.active{
            color: #f642d5;
        }

.anchor-wake .anchor-wire.active::after{
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #f642d5;
            border-radius: 2px;
        }

.anchor-wake{
            background-color: #111;
            color: #ccc;
            padding: 4rem 0 2rem;
        }

.anchor-wake .anchor-vessel{
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid #333;
            padding-bottom: 2rem;
            margin-bottom: 2rem;
        }

.anchor-wake .anchor-vessel > *{
            min-width: 0;
        }

.anchor-wake .anchor-apex{
            color: #fff;
            font-size: 1.5rem;
            margin-bottom: 0;
        }

.anchor-wake .anchor-echo{
            font-size: 0.9rem;
            color: #888;
            margin-bottom: 0;
            text-align: center;
        }

.anchor-wake .anchor-array{
            gap: 1.5rem;
        }

.anchor-wake .anchor-wire{
            color: #aaa;
            font-size: 0.95rem;
        }

.anchor-wake .anchor-wire:hover{
            color: #fff;
        }

@media (max-width: 768px){.anchor-wake .anchor-array{
                justify-content: center;
            }

.anchor-wake .anchor-vessel{
                flex-direction: column;
                gap: 1.5rem;
                text-align: center;
            }}