:root {
            --primary: #40eaea;
            --surface: #161c24;
            --accent: #2d3848;
            --bg: #0a0e14;
            --radius: 12px;
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
        }

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

        body {
            background-color: var(--bg);
            color: #ffffff;
            font-family: var(--font);
            line-height: 1.7;
            overflow-x: hidden;
        }

        /* 导航区域 - 强制复用风格 */
        .sonar {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 20, 0.8);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--accent);
        }

        .dorsal {
            max-width: 1300px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 24px;
            flex-wrap: wrap;
        }

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

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

        .bit {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            min-width: 0;
        }

        .gill {
            color: #ffffff;
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: color 0.25s ease;
            white-space: nowrap;
        }

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

        .snap-reef {
            display: inline-block;
            background: var(--primary);
            color: var(--bg);
            text-decoration: none;
            border-radius: 50px;
            font-weight: 700;
            transition: all 0.25s ease;
            box-shadow: 0 0 20px rgba(64, 234, 234, 0.2);
            white-space: nowrap;
        }

        .snap-reef:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(64, 234, 234, 0.4);
        }

        /* 主内容容器 */
        main {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 首屏舞台 - 角色变体 */
        .breach {
            padding: 80px 0 60px;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .eye-primary {
            font-size: clamp(2rem, 5vw, 3.5rem);
            line-height: 1.1;
            font-weight: 800;
            margin-bottom: 24px;
            word-break: keep-all;
            white-space: normal;
        }

        .stream-lead {
            font-size: 1.2rem;
            color: #a0aec0;
            max-width: 800px;
            margin-bottom: 40px;
            word-break: break-word;
        }

        /* 核心模块样式 */
        .vortex-fin {
            padding: 60px 0;
            display: flex;
            flex-direction: column;
            gap: 40px;
        }

        .packet-hull {
            background: var(--surface);
            border: 1px solid var(--accent);
            border-radius: var(--radius);
            padding: 40px;
            transition: border-color 0.25s ease;
        }

        .packet-hull:hover {
            border-color: var(--primary);
        }

        .eye-secondary {
            font-size: 1.75rem;
            margin-bottom: 24px;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .tooth-small {
            width: 28px;
            height: 28px;
            fill: var(--primary);
        }

        /* 紧凑语法表格 */
        .pcap-mark {
            width: 100%;
            border-collapse: collapse;
            margin-top: 20px;
            font-size: 14px;
        }

        .pcap-mark th, .pcap-mark td {
            padding: 16px;
            text-align: left;
            border-bottom: 1px solid var(--accent);
            word-break: break-word;
        }

        .pcap-mark th {
            color: var(--primary);
            font-weight: 600;
            background: rgba(64, 234, 234, 0.05);
        }

        .pcap-mark code {
            background: #000;
            padding: 4px 8px;
            border-radius: 4px;
            color: #fbd38d;
        }

        /* 常用表达式手册 - Grid 布局 */
        .vortex-pcap {
            padding: 60px 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .frame-knot {
            background: var(--bg);
            border: 1px solid var(--accent);
            border-radius: var(--radius);
            padding: 30px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .stream-code {
            font-family: 'Fira Code', monospace;
            background: #000;
            padding: 16px;
            border-radius: 8px;
            color: var(--primary);
            font-size: 14px;
            border-left: 3px solid var(--primary);
            word-break: break-all;
        }

        /* 比较区域 */
        .vortex-lagoon {
            padding: 80px 0;
            background: linear-gradient(180deg, transparent, rgba(64, 234, 234, 0.03));
            border-radius: var(--radius);
        }

        .reef-split {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-top: 40px;
        }

        .hull-half {
            flex: 1;
            min-width: 300px;
            background: var(--surface);
            padding: 40px;
            border-radius: var(--radius);
            border: 1px solid var(--accent);
        }

        .nibble-knot {
            list-style: none;
            margin-top: 20px;
        }

        .nibble-knot li {
            padding: 10px 0;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: #cbd5e0;
        }

        .nibble-knot li::before {
            content: "";
            width: 6px;
            height: 6px;
            background: var(--primary);
            border-radius: 50%;
            margin-top: 10px;
            flex-shrink: 0;
        }

        /* 页脚区域 */
        .benthic {
            background: var(--surface);
            padding: 80px 24px 40px;
            margin-top: 100px;
            border-top: 1px solid var(--accent);
        }

        .abyss-reef {
            max-width: 1300px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 60px;
        }

        .tide-fin {
            flex: 1;
            min-width: 260px;
        }

        .eye-small {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 24px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .gill-stack {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .gill-stack a {
            color: #a0aec0;
            text-decoration: none;
            transition: color 0.25s ease;
            font-size: 14px;
        }

        .gill-stack a:hover {
            color: var(--primary);
        }

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

        .abyss-bottom {
            max-width: 1300px;
            margin: 40px auto 0;
            padding-top: 40px;
            border-top: 1px solid var(--accent);
            text-align: center;
            color: #718096;
            font-size: 13px;
        }

        /* 响应式适配 */
        @media (max-width: 768px) {
            .dorsal {
                flex-direction: column;
                gap: 20px;
            }
            .bit {
                justify-content: center;
                gap: 16px;
            }
            .breach {
                padding: 40px 0;
            }
            .eye-primary {
                font-size: 2rem;
            }
            .hull-half {
                padding: 24px;
            }
        }

.sonar-sonar{
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 20, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #2d3848;
        }

.sonar-sonar .sonar-dorsal{
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }

.sonar-sonar .sonar-scale{
            display: flex;
            align-items: center;
            height: 40px;
        }

.sonar-sonar .sonar-scale img{
            height: 100%;
            width: auto;
        }

.sonar-sonar .sonar-bit{
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 32px;
        }

.sonar-sonar .sonar-gill{
            text-decoration: none;
            color: #8a94a6;
            font-weight: 500;
            font-size: 15px;
            transition: 0.25s ease;
            position: relative;
            padding: 8px 0;
        }

.sonar-sonar .sonar-gill:hover, .sonar-sonar .sonar-gill.active{
            color: #40eaea;
        }

.sonar-sonar .sonar-gill.active::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: #40eaea;
            box-shadow: 0 0 8px #40eaea;
        }

.sonar-sonar .sonar-snap-reef{
            display: inline-flex;
            align-items: center;
            padding: 16px 36px;
            background: #40eaea;
            color: #0a0e14;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 700;
            font-size: 18px;
            transition: 0.25s ease;
            box-shadow: 0 0 20px rgba(64, 234, 234, 0.3);
        }

.sonar-sonar .sonar-snap-reef:hover{
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(64, 234, 234, 0.5);
        }

@media (max-width: 768px){.sonar-sonar .sonar-bit{ display: none; }}

.sonar-sonar {
    background: rgb(10, 14, 20);
    background-image: none;
}

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

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

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

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

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

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

.benthic-benthic .benthic-stream-nibble{
            color: #8a94a6;
            font-size: 15px;
        }

.benthic-benthic{
            padding: 80px 24px 40px;
            background: #0a0e14;
            border-top: 1px solid #2d3848;
        }

.benthic-benthic .benthic-abyss{
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
        }

.benthic-benthic .benthic-tide-brand{
            max-width: 300px;
        }

.benthic-benthic .benthic-eye-brand{
            font-size: 24px;
            font-weight: 800;
            color: #40eaea;
            margin-bottom: 16px;
        }

.benthic-benthic .benthic-tide-sonar{
            display: flex;
            flex-wrap: wrap;
            gap: 60px;
        }

.benthic-benthic .benthic-knot-column{
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

.benthic-benthic .benthic-eye-column{
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: #8a94a6;
            margin-bottom: 8px;
        }

.benthic-benthic .benthic-gill-ft{
            text-decoration: none;
            color: #ffffff;
            font-size: 14px;
            transition: 0.25s ease;
        }

.benthic-benthic .benthic-gill-ft:hover{
            color: #40eaea;
        }

.benthic-benthic .benthic-tide-copyright{
            max-width: 1200px;
            margin: 60px auto 0;
            padding-top: 24px;
            border-top: 1px solid #2d3848;
            color: #8a94a6;
            font-size: 13px;
            text-align: center;
        }