/* 变量系统 - 继承首页视觉家族 */
        :root {
            --bg: #07070a;
            --bg-alt: #0d0d14;
            --c-bg: #15151e;
            --primary: #f621ba;
            --primary-glow: rgba(246, 33, 186, 0.25);
            --text: #ffffff;
            --text-dim: rgba(255, 255, 255, 0.65);
            --border: 1px solid rgba(255, 255, 255, 0.04);
            --radius: 8px;
            --radius-lg: 12px;
            --shadow: 0 8px 30px rgba(0,0,0,0.4);
            --transition: all 0.15s ease;
            --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
        }

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

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

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

        /* 强制Flex/Grid规则 */
        .flex, .knot, .orbit, .aura, .cap [role="navigation"] {
            display: flex;
            flex-wrap: wrap;
        }

        .flex > *, .knot > *, .orbit > *, .aura > *, .cap [role="navigation"] > * {
            min-width: 0;
        }

        /* 导航栏样式 (强制复用) */
        .cap {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(7, 7, 10, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: var(--border);
        }

        .orbit {
            max-width: 1200px;
            margin: 0 auto;
            padding: 16px 24px;
            align-items: center;
            justify-content: space-between;
        }

        .sign img {
            height: 28px;
            width: auto;
            display: block;
        }

        .stalk {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            align-items: center;
        }

        .path {
            color: var(--text-dim);
            font-size: 15px;
            font-weight: 500;
        }

        .path:hover, .path.active {
            color: var(--text);
        }

        .path.active {
            color: var(--primary);
            position: relative;
        }

        .path.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        /* 容器组件 */
        .fold {
            display: flex;
            flex-direction: column;
            width: 100%;
        }

        .vista {
            padding: 100px 24px;
            width: 100%;
        }

        .vista.bg-alt {
            background-color: var(--bg-alt);
        }

        .nest {
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
        }

        /* 排版组件 */
        .peak-huge {
            font-size: clamp(2.5rem, 5vw, 4.5rem);
            font-weight: 700;
            line-height: 1.1;
            letter-spacing: -0.02em;
            margin-bottom: 24px;
            white-space: normal;
        }

        .peak-large {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 20px;
            white-space: normal;
        }

        .peak {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text);
        }

        .mist {
            font-size: 1.125rem;
            color: var(--text-dim);
            line-height: 1.6;
            margin-bottom: 24px;
            word-break: keep-all;
        }

        .mist-sm {
            font-size: 0.95rem;
            color: var(--text-dim);
            line-height: 1.5;
        }

        /* 交互组件 */
        .pulse {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 16px 36px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 1.1rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow), 0 4px 20px var(--primary-glow);
            border: 1px solid rgba(255,255,255,0.1);
            cursor: pointer;
            text-align: center;
        }

        .pulse:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow), 0 8px 25px var(--primary-glow);
        }

        /* 卡片/面板组件 */
        .shard {
            background: var(--c-bg);
            border: var(--border);
            border-radius: var(--radius-lg);
            padding: 40px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }

        .shard:hover {
            border-color: rgba(246, 33, 186, 0.3);
            transform: translateY(-4px);
        }

        /* SVG图标通用 */
        .seed {
            width: 48px;
            height: 48px;
            margin-bottom: 24px;
            flex-shrink: 0;
            border-radius: 12px;
            background: rgba(246, 33, 186, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
        }

        .seed svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }

        /* --- 页面专属模块变体 --- */

        /* 1. Hero区 (split_diagonal变体) */
        .aura {
            padding: 80px 24px 120px;
            background: var(--bg);
            position: relative;
        }

        .aura-nest {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 60px;
        }

        .fold-mist {
            flex: 1 1 400px;
            z-index: 2;
        }

        .fold-visual {
            flex: 1 1 500px;
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            /* 对角线切割视觉 */
            clip-path: polygon(10% 0, 100% 0, 100% 100%, 0 100%);
            box-shadow: var(--shadow);
        }

        .tint-box {
            position: relative;
            width: 100%;
            padding-top: 66%; /* 3:2 aspect ratio */
            background: var(--c-bg);
        }

        .tint-box img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.8;
            mix-blend-mode: luminosity;
        }

        /* 声波可视化动效 */
        .motion-waves {
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            height: 60px;
            display: flex;
            align-items: flex-end;
            gap: 4px;
            z-index: 3;
            justify-content: center;
        }

        .wave-belt {
            width: 8px;
            background: var(--primary);
            border-radius: 4px;
            transform-origin: bottom;
            animation: voice-wave 1.2s infinite ease-in-out alternate;
        }

        .wave-belt:nth-child(1) { height: 30%; animation-delay: 0.1s; }
        .wave-belt:nth-child(2) { height: 60%; animation-delay: 0.2s; }
        .wave-belt:nth-child(3) { height: 100%; animation-delay: 0.3s; }
        .wave-belt:nth-child(4) { height: 40%; animation-delay: 0.4s; }
        .wave-belt:nth-child(5) { height: 80%; animation-delay: 0.5s; }
        .wave-belt:nth-child(6) { height: 50%; animation-delay: 0.6s; }
        .wave-belt:nth-child(7) { height: 90%; animation-delay: 0.7s; }
        .wave-belt:nth-child(8) { height: 30%; animation-delay: 0.8s; }

        @keyframes voice-wave {
            0% { transform: scaleY(0.2); opacity: 0.7; }
            100% { transform: scaleY(1); opacity: 1; }
        }

        .highlight {
            color: var(--primary);
        }

        .knot-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 40px;
        }

        .leaf-tag {
            padding: 6px 16px;
            background: rgba(246, 33, 186, 0.1);
            border: 1px solid rgba(246, 33, 186, 0.3);
            border-radius: 20px;
            color: var(--primary);
            font-size: 0.9rem;
            font-weight: 500;
        }

        /* 2. 方言能力区 */
        .dialects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            margin-top: 60px;
        }

        /* 3. 翻译能力区 (双边流转) */
        .trans-flow {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            margin-top: 60px;
            background: var(--c-bg);
            border: var(--border);
            border-radius: var(--radius-lg);
            padding: 60px;
            position: relative;
        }

        .trans-block {
            flex: 1 1 300px;
            text-align: center;
        }

        .trans-mist {
            font-size: clamp(1.5rem, 3vw, 2.5rem);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
        }

        .trans-fleck {
            color: var(--primary);
            font-size: 1rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 2px;
        }

        .trans-connector {
            flex: 0 0 100px;
            display: flex;
            justify-content: center;
            position: relative;
        }

        .connector-svg {
            width: 60px;
            height: 60px;
            fill: none;
            stroke: var(--text-dim);
            stroke-width: 2;
        }

        .flow-dot {
            fill: var(--primary);
            animation: flow-move 2s infinite linear;
        }

        @keyframes flow-move {
            0% { transform: translateX(-20px); opacity: 0; }
            50% { opacity: 1; }
            100% { transform: translateX(20px); opacity: 0; }
        }

        /* 4. 离线模式区 */
        .offline-focus {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            align-items: center;
            margin-top: 60px;
        }

        .offline-visual {
            flex: 1 1 350px;
            background: var(--c-bg);
            border-radius: var(--radius-lg);
            padding: 40px;
            display: flex;
            flex-direction: column;
            align-items: center;
            border: var(--border);
            position: relative;
        }

        .status-belt {
            width: 100%;
            display: flex;
            justify-content: space-between;
            color: var(--text-dim);
            font-size: 0.85rem;
            margin-bottom: 40px;
            border-bottom: var(--border);
            padding-bottom: 12px;
        }

        .status-seed {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #ff4d4f; /* 断网红色警告色 */
        }

        .status-seed svg {
            width: 16px;
            height: 16px;
            fill: currentColor;
        }

        .offline-mic {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: rgba(246, 33, 186, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            box-shadow: 0 0 0 0 rgba(246, 33, 186, 0.4);
            animation: pulse-ring 2s infinite;
        }

        .offline-mic svg {
            width: 40px;
            height: 40px;
            fill: currentColor;
        }

        @keyframes pulse-ring {
            0% { box-shadow: 0 0 0 0 rgba(246, 33, 186, 0.4); }
            70% { box-shadow: 0 0 0 20px rgba(246, 33, 186, 0); }
            100% { box-shadow: 0 0 0 0 rgba(246, 33, 186, 0); }
        }

        .offline-mist {
            flex: 1 1 400px;
        }

        /* 页脚 */
        .root {
            background: var(--bg);
            border-top: var(--border);
            padding: 40px 24px;
            text-align: center;
        }

        .root-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
        }

        .root-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 24px;
            margin-bottom: 24px;
        }

        .root-links a {
            color: var(--text-dim);
            font-size: 0.95rem;
        }

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

        .echo {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.85rem;
        }

        /* 响应式断点 */
        @media (max-width: 768px) {
            .stalk {
                display: none; /* 简化移动端头部，实际项目中应有汉堡菜单 */
            }
            .fold-visual {
                clip-path: none;
                order: -1;
                margin-bottom: 32px;
            }
            .peak-huge {
                font-size: 2.5rem;
            }
            .trans-connector {
                transform: rotate(90deg);
                margin: 20px 0;
            }
            .trans-flow {
                padding: 30px;
                flex-direction: column;
            }
            .vista {
                padding: 60px 24px;
            }
            .offline-focus {
                flex-direction: column;
            }
        }

.pinyin-cap .pinyin-flex{ display: flex; flex-wrap: wrap; }

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

.pinyin-cap{
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(7, 7, 10, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }

.pinyin-cap .pinyin-orbit{
            max-width: 1400px;
            margin: 0 auto;
            padding: 16px 4vw;
            justify-content: space-between;
            align-items: center;
        }

.pinyin-cap .pinyin-sign{
            display: flex;
            align-items: center;
        }

.pinyin-cap .pinyin-sign img{
            height: 34px;
            width: auto;
            display: block;
        }

.pinyin-cap .pinyin-stalk{
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            align-items: center;
        }

.pinyin-cap .pinyin-path{
            color: #a1a1aa;
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            transition: 0.15s ease;
            position: relative;
        }

.pinyin-cap .pinyin-path:hover, .pinyin-cap .pinyin-path.active{
            color: #f621ba;
        }

.pinyin-cap .pinyin-path.active::after{
            content: '';
            position: absolute;
            bottom: -6px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background-color: #f621ba;
            border-radius: 2px;
        }

@media (max-width: 768px){.pinyin-cap .pinyin-stalk{ display: none;  }

.pinyin-cap .pinyin-orbit{ flex-direction: column; align-items: flex-start; gap: 20px; }

.pinyin-cap .pinyin-stalk{ display: flex; overflow-x: auto; width: 100%; padding-bottom: 10px; gap: 20px; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }

.pinyin-cap .pinyin-stalk > *{ flex-shrink: 0; }}

.pinyin-cap {
    background: rgb(7, 7, 10);
    background-image: none;
}

.echo-root {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.7;
    color: var(--t1);
}
.echo-root,
.echo-root *,
.echo-root *::before,
.echo-root *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.echo-root{
            background: #040406;
            padding: 80px 4vw 40px;
            border-top: 1px solid rgba(255,255,255,0.05);
        }

.echo-root .echo-root-inner{
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 60px;
            justify-content: space-between;
        }

.echo-root .echo-root-brand{
            flex: 1 1 300px;
        }

.echo-root .echo-peak-brand{
            font-size: 1.5rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

.echo-root .echo-mist-brand{
            color: #71717a;
            font-size: 0.9rem;
            max-width: 300px;
        }

.echo-root .echo-root-links{
            display: flex;
            flex-wrap: wrap;
            gap: 60px;
        }

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

.echo-root .echo-peak-col{
            color: #ffffff;
            font-size: 1rem;
            margin-bottom: 8px;
        }

.echo-root .echo-path-foot{
            color: #71717a;
            text-decoration: none;
            font-size: 0.9rem;
            transition: 0.15s ease;
        }

.echo-root .echo-path-foot:hover{
            color: #f621ba;
        }

.echo-root .echo-root-bottom{
            max-width: 1400px;
            margin: 40px auto 0;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.05);
            text-align: center;
            color: #71717a;
            font-size: 0.85rem;
        }