:root {
            --primary: #40eaea;
            --dark: #0a0e14;
            --surface: #161c24;
            --accent: #2d3848;
            --mute: #8a94a6;
            --bright: #ffffff;
            --radius: 12px;
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            --transition: 0.25s ease;
        }

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

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

        /* 顶部导航区域 - sonar */
        .sonar {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 20, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--accent);
        }

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

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

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

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

        .gill {
            text-decoration: none;
            color: var(--mute);
            font-weight: 500;
            font-size: 15px;
            transition: var(--transition);
            position: relative;
            padding: 8px 0;
        }

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

        .gill.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            box-shadow: 0 0 8px var(--primary);
        }

        /* 主体容器 - hull */
        .hull {
            max-width: 100%;
            margin: 0 auto;
        }

        /* 展示区域 - breach (Mosaic Collage) */
        .breach {
            padding: 100px 24px;
            max-width: 1300px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 60px;
        }

        .vortex-mark {
            flex: 1;
            min-width: 400px;
        }

        .eye-primary {
            font-size: clamp(2.5rem, 5vw, 4rem);
            line-height: 1.1;
            font-weight: 800;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #fff 0%, var(--primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stream-lead {
            font-size: 20px;
            color: var(--mute);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .snap-reef {
            display: inline-flex;
            align-items: center;
            padding: 16px 36px;
            background: var(--primary);
            color: var(--dark);
            text-decoration: none;
            border-radius: 50px;
            font-weight: 700;
            font-size: 18px;
            transition: var(--transition);
            box-shadow: 0 0 20px rgba(64, 234, 234, 0.3);
        }

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

        /* Mosaic Grid */
        .mark-mosaic {
            flex: 1.2;
            min-width: 400px;
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            grid-template-rows: repeat(12, 1fr);
            aspect-ratio: 1 / 1;
            gap: 16px;
        }

        .sniff-unit {
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--accent);
            position: relative;
        }

        .sniff-unit img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .sniff-unit:hover img {
            transform: scale(1.05);
        }

        .sniff-1 { grid-area: 1 / 1 / 7 / 8; }
        .sniff-2 { grid-area: 1 / 8 / 5 / 13; }
        .sniff-3 { grid-area: 5 / 8 / 13 / 13; }
        .sniff-4 { grid-area: 7 / 1 / 13 / 8; }

        /* 特性网格 - vortex */
        .vortex {
            padding: 80px 24px;
            background: var(--surface);
            position: relative;
        }

        .hull-inner {
            max-width: 1200px;
            margin: 0 auto;
        }

        .eye-center {
            text-align: center;
            font-size: 32px;
            margin-bottom: 60px;
        }

        .knot-features {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
        }

        .packet {
            flex: 1;
            min-width: 280px;
            background: var(--dark);
            padding: 40px;
            border-radius: var(--radius);
            border: 1px solid var(--accent);
            transition: var(--transition);
        }

        .packet:hover {
            border-color: var(--primary);
            transform: translateY(-5px);
        }

        .tooth {
            width: 48px;
            height: 48px;
            margin-bottom: 24px;
            color: var(--primary);
        }

        .eye-nibble {
            font-size: 20px;
            margin-bottom: 16px;
        }

        .stream-nibble {
            color: var(--mute);
            font-size: 15px;
        }

        /* 拆分内容 - frenzy */
        .frenzy {
            padding: 100px 24px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .knot-split {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 60px;
            margin-bottom: 100px;
        }

        .knot-split:nth-child(even) {
            flex-direction: row-reverse;
        }

        .mark-pcap {
            flex: 1;
            min-width: 350px;
        }

        .sniff-fluid {
            width: 100%;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }

        .eye-reef {
            font-size: 32px;
            margin-bottom: 24px;
        }

        .stream-pcap {
            font-size: 17px;
            color: var(--mute);
            margin-bottom: 24px;
        }

        /* 社区动态 - lagoon */
        .lagoon {
            background: linear-gradient(to bottom, var(--dark), var(--surface));
            padding: 80px 24px;
        }

        .knot-proof {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            align-items: flex-start;
        }

        .mark-community {
            flex: 1.5;
            min-width: 400px;
        }

        .mark-nodes {
            flex: 1;
            min-width: 300px;
            background: var(--dark);
            padding: 30px;
            border-radius: var(--radius);
        }

        /* 路径引导 - reef */
        .reef {
            padding: 60px 24px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .knot-path {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }

        .packet-path {
            flex: 1;
            min-width: 220px;
            padding: 24px;
            background: var(--accent);
            border-radius: var(--radius);
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
        }

        .packet-path:hover {
            background: var(--primary);
            color: var(--dark);
        }

        .eye-path {
            font-weight: 700;
            margin-top: 12px;
        }

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

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

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

        .eye-brand {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 16px;
        }

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

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

        .eye-column {
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--mute);
            margin-bottom: 8px;
        }

        .gill-ft {
            text-decoration: none;
            color: var(--bright);
            font-size: 14px;
            transition: var(--transition);
        }

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

        .tide-copyright {
            max-width: 1200px;
            margin: 60px auto 0;
            padding-top: 24px;
            border-top: 1px solid var(--accent);
            color: var(--mute);
            font-size: 13px;
            text-align: center;
        }

        @media (max-width: 1024px) {
            .breach { flex-direction: column; text-align: center; }
            .vortex-mark { min-width: 100%; }
            .mark-mosaic { min-width: 100%; width: 100%; }
            .stream-lead { margin-left: auto; margin-right: auto; }
        }

        @media (max-width: 768px) {
            .bit { display: none; }
            .knot-split { flex-direction: column !important; }
            .mark-pcap { min-width: 100%; }
            .eye-primary { font-size: 2.5rem; }
        }

.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;
        }