:root {
            --primary: #d74d8b;
            --primary-soft: rgba(215, 77, 139, 0.08);
            --primary-deep: #b03a6f;
            --accent: #ff6b9d;
            --neutral-bg: #f5f5f7;
            --text-main: #1d1d1f;
            --text-sub: #86868b;
            --radius: 11px;
            --shadow-light: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 30px rgba(215, 77, 139, 0.15);
            --hull-width: 1200px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: #ffffff;
            color: var(--text-main);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        /* 强制复用导航栏样式 */
        .orbit-peak {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            z-index: 1000;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        .trace-cage {
            max-width: var(--hull-width);
            margin: 0 auto;
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
        }

        .emblem-shroud {
            display: flex;
            align-items: center;
        }

        .emblem img {
            height: 32px;
            display: block;
        }

        .swarm-streak {
            display: flex;
            gap: 32px;
        }

        .orbit-knot {
            text-decoration: none;
            color: var(--text-main);
            font-size: 15px;
            font-weight: 500;
            transition: color 0.25s ease;
        }

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

        .orbit-knot.active {
            color: var(--primary);
            font-weight: 600;
        }

        /* 核心布局结构 */
        .shroud-whole {
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        .vault-core {
            flex: 1;
            padding-top: 64px;
        }

        /* 统一标题与文本样式 */
        .crest-mega {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 24px;
            word-break: keep-all;
        }

        .crest-standard {
            font-size: clamp(1.8rem, 3.5vw, 2.4rem);
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text-main);
        }

        .prose-flow {
            font-size: 1.15rem;
            color: var(--text-sub);
            max-width: 700px;
            margin-bottom: 40px;
            word-break: break-word;
        }

        /* 响应式栅格系统 */
        .batch-flow {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        .twig-single {
            min-width: 0;
            flex: 1 1 300px;
        }

        /* 第一部分：专业PDF转换与处理 (intro) */
        .vista-flare {
            padding: 100px 24px;
            background: linear-gradient(180deg, #ffffff 0%, #fcfcfe 100%);
            display: flex;
            justify-content: center;
        }

        .hull-intro {
            max-width: var(--hull-width);
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 60px;
        }

        .prose-shroud {
            flex: 1 1 500px;
            min-width: 0;
        }

        .optic-shroud {
            flex: 1 1 500px;
            min-width: 0;
            position: relative;
        }

        .optic-frame {
            width: 100%;
            border-radius: var(--radius);
            box-shadow: var(--shadow-light);
            transition: transform 0.4s ease;
        }

        .optic-frame:hover {
            transform: translateY(-8px);
        }

        .zest-spark {
            display: inline-flex;
            align-items: center;
            padding: 16px 42px;
            background-color: var(--primary);
            color: #ffffff;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            box-shadow: 0 10px 25px rgba(215, 77, 139, 0.25);
            transition: all 0.25s ease;
        }

        .zest-spark:hover {
            background-color: var(--primary-deep);
            box-shadow: 0 12px 30px rgba(215, 77, 139, 0.35);
            transform: scale(1.02);
        }

        /* 第二部分：PDF 工具箱 (capability) */
        .hull-capability {
            padding: 100px 24px;
            background-color: var(--neutral-bg);
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .batch-grid {
            max-width: var(--hull-width);
            width: 100%;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            margin-top: 50px;
        }

        .slate-plank {
            background: #ffffff;
            padding: 40px;
            border-radius: var(--radius);
            border: 1px solid rgba(0, 0, 0, 0.03);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .slate-plank:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-soft);
        }

        .glyph-stud {
            width: 56px;
            height: 56px;
            background: var(--primary-soft);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            color: var(--primary);
        }

        .slate-crest {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .slate-prose {
            font-size: 1rem;
            color: var(--text-sub);
        }

        /* 第三部分：隐私安全 (context) */
        .vista-context {
            padding: 120px 24px;
            background: #ffffff;
            display: flex;
            justify-content: center;
        }

        .hull-security {
            max-width: 900px;
            text-align: center;
            padding: 60px;
            background: linear-gradient(135deg, #fffcfd 0%, #fdf5f8 100%);
            border-radius: 20px;
            border: 1px dashed var(--primary-soft);
        }

        .glyph-secure {
            width: 80px;
            height: 80px;
            margin: 0 auto 30px;
            color: var(--primary);
        }

        /* 页脚区域 (sole) */
        .podium-sole {
            background-color: var(--neutral-bg);
            padding: 80px 24px 40px;
            border-top: 1px solid rgba(0, 0, 0, 0.05);
        }

        .nexus-cage {
            max-width: var(--hull-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
        }

        .twig-brand {
            flex: 2 1 300px;
        }

        .twig-links {
            flex: 1 1 150px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .brand-name {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .knot-subtle {
            text-decoration: none;
            color: var(--text-sub);
            font-size: 14px;
            transition: color 0.2s ease;
        }

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

        .streak-copyright {
            max-width: var(--hull-width);
            margin: 60px auto 0;
            padding-top: 30px;
            border-top: 1px solid rgba(0, 0, 0, 0.05);
            text-align: center;
            font-size: 13px;
            color: #a1a1a6;
        }

        /* 移动端适配 */
        @media (max-width: 768px) {
            .swarm-streak {
                display: none;
            }
            .vista-flare, .hull-capability, .vista-context {
                padding: 60px 20px;
            }
            .crest-mega {
                font-size: 2.2rem;
            }
            .hull-security {
                padding: 30px 20px;
            }
        }

        /* SVG 动画 */
        .motion-draw {
            stroke-dasharray: 1000;
            stroke-dashoffset: 1000;
            animation: dash 3s linear forwards;
        }

        @keyframes dash {
            to { stroke-dashoffset: 0; }
        }

.orbit-orbit-peak{
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

.orbit-orbit-peak .orbit-trace-cage{
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            height: 64px;
        }

.orbit-orbit-peak .orbit-emblem-shroud{
            display: flex;
            align-items: center;
            min-width: 0;
        }

.orbit-orbit-peak .orbit-emblem-shroud img{
            height: 32px;
            width: auto;
        }

.orbit-orbit-peak .orbit-swarm-streak{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            list-style: none;
            min-width: 0;
        }

.orbit-orbit-peak .orbit-orbit-knot{
            text-decoration: none;
            color: #1d1d1f;
            font-size: 14px;
            font-weight: 500;
            padding: 8px 16px;
            margin: 0 4px;
            border-radius: 9px;
            transition: 0.25s ease;
        }

.orbit-orbit-peak .orbit-orbit-knot:hover{
            color: #d74d8b;
            background: rgba(215, 77, 139, 0.1);
        }

.orbit-orbit-peak .orbit-orbit-knot.orbit-active{
            color: #d74d8b;
            font-weight: 600;
        }

@media (max-width: 768px){.orbit-orbit-peak .orbit-trace-cage{
                height: auto;
                padding: 16px 24px;
            }

.orbit-orbit-peak .orbit-swarm-streak{
                width: 100%;
                justify-content: center;
                margin-top: 16px;
            }}

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

.podium-podium-sole {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.65;
    word-break: break-word;
    color: var(--dark);
}
.podium-podium-sole,
.podium-podium-sole *,
.podium-podium-sole *::before,
.podium-podium-sole *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.podium-podium-sole{
            background: #f5f5f7;
            padding: 80px 24px 40px;
            margin-top: 100px;
        }

.podium-podium-sole .podium-nexus-cage{
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
        }

.podium-podium-sole .podium-podium-brand{
            flex: 1;
            min-width: 250px;
        }

.podium-podium-sole .podium-podium-brand-name{
            font-size: 1.5rem;
            font-weight: 800;
            color: #d74d8b;
            margin-bottom: 16px;
        }

.podium-podium-sole .podium-nexus-streak{
            display: flex;
            flex-wrap: wrap;
            gap: 60px;
        }

.podium-podium-sole .podium-nexus-batch{
            min-width: 120px;
        }

.podium-podium-sole .podium-nexus-crest{
            font-weight: 700;
            margin-bottom: 20px;
            font-size: 1rem;
        }

.podium-podium-sole .podium-nexus-twig{
            margin-bottom: 10px;
        }

.podium-podium-sole .podium-nexus-knot{
            text-decoration: none;
            color: #666;
            font-size: 0.9rem;
            transition: 0.25s ease;
        }

.podium-podium-sole .podium-nexus-knot:hover{
            color: #d74d8b;
        }

.podium-podium-sole .podium-sole-base{
            max-width: 1100px;
            margin: 60px auto 0;
            padding-top: 30px;
            border-top: 1px solid rgba(0,0,0,0.05);
            text-align: center;
            font-size: 0.85rem;
            color: #999;
        }