/* 核心变量体系 - 继承旗舰品牌舞台型基因 */
        :root {
            --color-primary: #65bae5;
            --color-primary-dark: #4a9bc5;
            --color-primary-light: #e0f2fb;
            --color-text-main: #1e293b;
            --color-text-muted: #64748b;
            --color-bg-page: #f8fafc;
            --color-bg-surface: #ffffff;
            --color-bg-alt: #f1f5f9;
            --radius-small: 8px;
            --radius-base: 12px;
            --radius-large: 24px;
            --shadow-soft: 0 10px 25px -5px rgba(101, 186, 229, 0.15), 0 8px 10px -6px rgba(101, 186, 229, 0.1);
            --shadow-hover: 0 20px 35px -5px rgba(101, 186, 229, 0.25), 0 10px 15px -6px rgba(101, 186, 229, 0.15);
            --transition: all 0.25s ease;
            --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            --layout-max: 1280px;
        }

        /* 基础重置 */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--color-bg-page);
            color: var(--color-text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            word-break: break-word;
            overflow-wrap: break-word;
        }

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

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

        /* 强制Flexbox/Grid规则 */
        .flex-batch {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
        }

        .flex-batch > * {
            min-width: 0;
        }

        /* 布局容器 */
        .case {
            width: 100%;
            max-width: var(--layout-max);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .sheath {
            padding: 5rem 0;
        }

        .desk {
            padding: 4rem 0;
            background-color: var(--color-bg-surface);
        }

        /* 导航栏 (强制复用) */
        .peak {
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid rgba(101, 186, 229, 0.1);
        }

        .cable {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            height: 80px;
            min-width: 0;
        }

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

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

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

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

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

        /* 舞台区 (Hero变体) */
        .station {
            padding: 6rem 0 4rem;
            background: linear-gradient(135deg, var(--color-bg-surface) 0%, var(--color-bg-page) 100%);
            position: relative;
            overflow: hidden;
        }

        .station::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, var(--color-primary-light) 0%, rgba(255,255,255,0) 70%);
            opacity: 0.5;
            z-index: 0;
            pointer-events: none;
        }

        .station-core {
            position: relative;
            z-index: 1;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 4rem;
        }

        .station-code {
            flex: 1 1 500px;
            min-width: 0;
        }

        .lead-h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            color: #0f172a;
            margin-bottom: 1.5rem;
            white-space: normal;
        }

        .lead-h1 span {
            color: var(--color-primary);
            display: block;
        }

        .station-summary {
            font-size: 1.25rem;
            color: var(--color-text-muted);
            margin-bottom: 2.5rem;
            max-width: 540px;
        }

        .station-ink {
            flex: 1 1 400px;
            min-width: 0;
            position: relative;
        }

        .station-ink img {
            border-radius: var(--radius-large);
            box-shadow: var(--shadow-soft);
            border: 1px solid rgba(101, 186, 229, 0.1);
            transform: translateY(0);
            transition: var(--transition);
        }

        .station-ink:hover img {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        /* 获取入口 (卡片区) */
        .lead-h2 {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 1rem;
            text-align: center;
            white-space: normal;
        }

        .lead-sub {
            text-align: center;
            color: var(--color-text-muted);
            margin-bottom: 3.5rem;
            font-size: 1.1rem;
        }

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

        .gram {
            background: var(--color-bg-surface);
            padding: 2.5rem;
            border-radius: var(--radius-large);
            box-shadow: var(--shadow-soft);
            border: 1px solid rgba(101, 186, 229, 0.05);
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            transition: var(--transition);
            transform: translateY(0);
        }

        .gram:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(101, 186, 229, 0.2);
        }

        .mark-wrap {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            color: var(--color-primary);
        }

        .mark-wrap svg {
            width: 32px;
            height: 32px;
            fill: currentColor;
        }

        .gram-lead {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: #0f172a;
        }

        .gram-code {
            color: var(--color-text-muted);
            margin-bottom: 2rem;
            flex-grow: 1;
        }

        /* 按钮组件 */
        .tap {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 1rem 2rem;
            font-weight: 600;
            border-radius: var(--radius-base);
            border: none;
            background-color: var(--color-primary);
            color: white;
            box-shadow: 0 4px 14px 0 rgba(101, 186, 229, 0.39);
            cursor: pointer;
            width: 100%;
            text-align: center;
            font-size: 1rem;
        }

        .tap:hover {
            background-color: var(--color-primary-dark);
            transform: translateY(-2px);
            color: white;
        }

        .tap-ghost {
            background-color: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
            box-shadow: none;
        }

        .tap-ghost:hover {
            background-color: var(--color-primary-light);
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }

        /* 适配说明 (对比结构) */
        .compat-matrix {
            display: flex;
            flex-wrap: wrap;
            gap: 3rem;
            margin-top: 3rem;
        }

        .compat-col {
            flex: 1 1 300px;
            min-width: 0;
        }

        .compat-lead {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        
        .compat-lead svg {
            width: 24px;
            height: 24px;
            color: var(--color-primary);
        }

        .compat-tape {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .compat-tick {
            display: flex;
            justify-content: space-between;
            padding-bottom: 1rem;
            border-bottom: 1px dashed rgba(101, 186, 229, 0.2);
            color: var(--color-text-main);
        }

        .compat-tick span:last-child {
            color: var(--color-text-muted);
            font-size: 0.95rem;
        }

        /* 安装流程 (步骤区) */
        .path-flow {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2.5rem;
            margin-top: 3rem;
            counter-reset: step-counter;
        }

        .path-step {
            position: relative;
            padding: 2rem;
            background: var(--color-bg-surface);
            border-radius: var(--radius-large);
            border: 1px solid var(--color-bg-alt);
        }

        .path-step::before {
            counter-increment: step-counter;
            content: "0" counter(step-counter);
            position: absolute;
            top: -1rem;
            left: 2rem;
            background: var(--color-primary);
            color: white;
            font-weight: 800;
            font-size: 1.25rem;
            padding: 0.25rem 1rem;
            border-radius: var(--radius-small);
            box-shadow: 0 4px 10px rgba(101, 186, 229, 0.3);
        }

        .step-lead {
            font-size: 1.2rem;
            font-weight: 700;
            margin: 1rem 0 0.75rem;
            color: #0f172a;
        }

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

        /* 来源说明 */
        .trust-ribbon {
            background: var(--color-primary-light);
            border-radius: var(--radius-large);
            padding: 3rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 3rem;
        }

        .trust-code {
            flex: 2 1 400px;
            min-width: 0;
        }

        .trust-code h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--color-primary-dark);
        }

        .trust-meta {
            flex: 1 1 250px;
            min-width: 0;
            background: white;
            padding: 2rem;
            border-radius: var(--radius-base);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
        }

        .trust-meta p {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.75rem;
            font-size: 0.95rem;
        }
        
        .trust-meta p strong {
            color: var(--color-text-main);
        }

        /* 页脚 */
        .ground {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 4rem 0 2rem;
            text-align: center;
        }

        .ground-lead {
            font-size: 1.5rem;
            font-weight: 700;
            color: white;
            margin-bottom: 1rem;
        }

        .ground-tape {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.5rem;
            margin: 2rem 0;
        }

        .ground-tape a:hover {
            color: var(--color-primary);
        }

        /* 响应式 */
        @media (max-width: 768px) {
            .station { padding: 4rem 0 3rem; }
            .cable { height: auto; padding: 1rem 0; flex-direction: column; gap: 1rem; }
            .station-core { gap: 2rem; }
            .lead-h1 { font-size: 2.25rem; }
            .sheath, .desk { padding: 3rem 0; }
            .trust-ribbon { padding: 2rem; }
        }

.cable-peak .cable-case{
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 5vw;
        }

.cable-peak{
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid rgba(101, 186, 229, 0.1);
        }

.cable-peak .cable-cable{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            min-width: 0;
            height: 80px;
        }

.cable-peak .cable-seal{
            display: flex;
            align-items: center;
            min-width: 0;
        }

.cable-peak .cable-seal img{
            height: 36px;
            width: auto;
        }

.cable-peak .cable-tape{
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            min-width: 0;
        }

.cable-peak .cable-tie{
            font-weight: 500;
            color: #1e293b;
            transition: all 0.25s ease;
            position: relative;
            padding: 0.5rem 0;
        }

.cable-peak .cable-tie:hover{
            color: #65bae5;
        }

.cable-peak .cable-tie.active{
            color: #65bae5;
        }

.cable-peak .cable-tie.active::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #65bae5;
            border-radius: 2px;
        }

@media (max-width: 768px){.cable-peak .cable-tape{
                display: none; 
            }}

.cable-peak {
    background: rgb(255, 255, 255);
    background-image: none;
}

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

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

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

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

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

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

.ground-ground .ground-case{
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 5vw;
        }

.ground-ground{
            background-color: #020617;
            color: #94a3b8;
            padding: 4rem 0 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

.ground-ground .ground-ground-layout{
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 3rem;
            min-width: 0;
            margin-bottom: 3rem;
        }

.ground-ground .ground-ground-brand{
            font-size: 1.5rem;
            font-weight: 700;
            color: white;
            margin-bottom: 1rem;
        }

.ground-ground .ground-ground-code{
            max-width: 400px;
            margin-bottom: 1.5rem;
        }

.ground-ground .ground-ground-tape{
            display: flex;
            flex-direction: column;
            gap: 1rem;
            min-width: 0;
        }

.ground-ground .ground-ground-lead{
            color: white;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

.ground-ground .ground-ground-tie{
            transition: all 0.25s ease;
        }

.ground-ground .ground-ground-tie:hover{
            color: #65bae5;
        }

.ground-ground .ground-ground-bottom{
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            min-width: 0;
            gap: 1rem;
            font-size: 0.875rem;
        }