:root {
            --primary: #ca4435;
            --bg: #0a0a0a;
            --surface: #161616;
            --surface-light: #1f1f1f;
            --accent-warm: rgba(202, 68, 53, 0.15);
            --node-color: #a0a0a0;
            --bond-color: #ffffff;
            --radius: 18px;
            --shadow-sm: 0 4px 12px rgba(0,0,0,0.3);
            --shadow-md: 0 12px 32px rgba(0,0,0,0.5);
            --transition: 0.15s ease;
        }

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

        body {
            background-color: var(--bg);
            color: var(--node-color);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            overflow-x: hidden;
            word-break: keep-all;
        }

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

        /* 导航栏复用及修正 */
        [role="banner"] {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 10, 10, 0.8);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .vein {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 15px 40px;
            flex-wrap: wrap;
        }

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

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

        .flow {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .etch {
            font-size: 15px;
            font-weight: 500;
            color: var(--node-color);
            position: relative;
        }

        .etch:hover {
            color: var(--bond-color);
        }

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

        .etch.active::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
        }

        .ignite {
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.2s, box-shadow 0.2s;
            box-shadow: 0 8px 24px rgba(202, 68, 53, 0.3);
        }

        .ignite:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(202, 68, 53, 0.5);
            color: #fff;
        }

        /* 主体容器 */
        .hull-field {
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 40px;
        }

        /* Hero下载区 */
        .vista-acquire {
            padding: 100px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 60px;
        }

        .prime-rim {
            flex: 1;
            min-width: 320px;
        }

        .bond-blaze {
            font-size: clamp(2.5rem, 6vw, 4.5rem);
            line-height: 1.1;
            font-weight: 800;
            color: var(--bond-color);
            letter-spacing: -0.04em;
            margin-bottom: 24px;
        }

        .node-blaze {
            font-size: 1.25rem;
            max-width: 600px;
            margin-bottom: 40px;
            color: var(--node-color);
        }

        .bezel-crest {
            flex: 1;
            min-width: 320px;
            position: relative;
        }

        .crest-aura {
            width: 100%;
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(255,255,255,0.05);
            display: block;
        }

        /* 平台矩阵 */
        .field-comparison {
            padding: 80px 0;
            background: linear-gradient(180deg, transparent, rgba(202, 68, 53, 0.03));
        }

        .bond-snap {
            text-align: center;
            font-size: 2.5rem;
            color: var(--bond-color);
            margin-bottom: 60px;
            font-weight: 700;
        }

        .vault-rim {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .slab-facet {
            background: var(--surface);
            padding: 40px;
            border-radius: var(--radius);
            border: 1px solid rgba(255,255,255,0.03);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

        .slab-facet:hover {
            border-color: rgba(202, 68, 53, 0.3);
            transform: translateY(-8px);
            background: var(--surface-light);
        }

        .glint-core {
            width: 56px;
            height: 56px;
            background: var(--accent-warm);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            color: var(--primary);
        }

        .bond-aura {
            font-size: 1.5rem;
            color: var(--bond-color);
            margin-bottom: 12px;
            font-weight: 600;
        }

        .node-aura {
            font-size: 0.95rem;
            margin-bottom: 24px;
            flex-grow: 1;
        }

        .etch-bolt {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .etch-bolt::after {
            content: '→';
            transition: transform 0.2s;
        }

        .etch-bolt:hover::after {
            transform: translateX(4px);
        }

        /* 安装指南 */
        .bezel-steps {
            padding: 100px 0;
            background: #0f0f0f;
        }

        .rim-flow {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: space-between;
        }

        .plate-aura {
            flex: 1;
            min-width: 260px;
            position: relative;
            padding-left: 60px;
        }

        .core-index {
            position: absolute;
            left: 0;
            top: 0;
            width: 40px;
            height: 40px;
            background: var(--surface-light);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 800;
            font-size: 1.2rem;
        }

        .bond-node {
            font-size: 1.25rem;
            color: var(--bond-color);
            margin-bottom: 16px;
            font-weight: 600;
        }

        /* 页脚 */
        .tilt-base {
            padding: 80px 0 40px;
            border-top: 1px solid rgba(255,255,255,0.05);
            margin-top: 80px;
        }

        .base-vault {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
            margin-bottom: 60px;
        }

        .nadir-aura {
            min-width: 200px;
        }

        .bond-root {
            font-size: 1.5rem;
            color: var(--bond-color);
            font-weight: 800;
            margin-bottom: 20px;
            display: block;
        }

        .node-root {
            display: block;
            margin-bottom: 12px;
            font-size: 0.9rem;
        }

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

        .nadir-tilt {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.03);
            font-size: 0.85rem;
            color: #555;
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .vista-acquire { padding: 60px 0; }
            .hull-field { padding: 0 30px; }
        }

        @media (max-width: 768px) {
            .vein { padding: 15px 20px; }
            .flow { display: none; }
            .bond-blaze { font-size: 2.8rem; }
            .vista-acquire { flex-direction: column; text-align: center; }
            .node-blaze { margin: 0 auto 40px; }
            .vault-rim { grid-template-columns: 1fr; }
            .plate-aura { margin-bottom: 30px; }
        }

.orbit-vein{
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            width: 90vw;
            max-width: 1100px;
            height: 70px;
            background: rgba(22, 22, 22, 0.85);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 35px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 30px;
            z-index: 1000;
            box-shadow: 0 12px 32px rgba(0,0,0,0.5);
        }

.orbit-glyph{
            height: 32px;
            display: flex;
            align-items: center;
        }

.orbit-glyph img{
            height: 100%;
            width: auto;
        }

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

.orbit-etch{
            color: #a0a0a0;
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: 0.15s ease;
            position: relative;
            padding: 8px 0;
        }

.orbit-etch:hover, .orbit-etch.active{
            color: #ffffff;
        }

.orbit-etch.active::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: #ca4435;
            border-radius: 2px;
        }

.orbit-ignite{
            display: inline-flex;
            align-items: center;
            padding: 18px 42px;
            background: #ca4435;
            color: #fff;
            text-decoration: none;
            border-radius: 50px;
            font-size: 18px;
            font-weight: 600;
            transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease;
            box-shadow: 0 8px 24px rgba(202, 68, 53, 0.4);
        }

.orbit-ignite:hover{
            transform: scale(1.05);
            box-shadow: 0 12px 32px rgba(202, 68, 53, 0.6);
        }

@media (max-width: 768px){.orbit-vein{
                padding: 0 15px;
                height: 60px;
            }

.orbit-flow{
                display: none; 
            }}

.base-nadir {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    word-break: keep-all;
    color: var(--node-color);
}
.base-nadir,
.base-nadir *,
.base-nadir *::before,
.base-nadir *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.base-nadir .base-bezel{
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 40px;
        }

@media (max-width: 768px){.base-nadir .base-bezel{
                padding: 0 20px;
            }}

.base-nadir{
            background: #050505;
            padding: 80px 0 40px;
            border-top: 1px solid rgba(255,255,255,0.05);
        }

.base-nadir .base-root-grid{
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 50px;
            margin-bottom: 60px;
        }

.base-nadir .base-aura-tilt{
            min-width: 200px;
            flex: 1;
        }

.base-nadir .base-bond-tilt{
            color: #fff;
            font-size: 16px;
            margin-bottom: 24px;
            font-weight: 600;
        }

.base-nadir .base-node-tilt{
            display: block;
            color: #666;
            text-decoration: none;
            font-size: 14px;
            margin-bottom: 12px;
            transition: 0.15s ease;
        }

.base-nadir .base-node-tilt:hover{
            color: #ca4435;
        }

.base-nadir .base-base-line{
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.05);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: #444;
            flex-wrap: wrap;
            gap: 20px;
        }

.base-nadir .base-brand-node{
            font-weight: 800;
            color: #888;
            letter-spacing: 1px;
        }