/* CSS Variables - 继承首页视觉家族 */
        :root {
            --bg: #07070a;
            --bg-alt: #0d0d14;
            --c-bg: #15151e;
            --primary: #f621ba;
            --primary-hover: #d1129b;
            --primary-glow: rgba(246, 33, 186, 0.25);
            --text: #ffffff;
            --text-mist: #a0a0ab;
            --border: rgba(255, 255, 255, 0.08);
            --radius: 8px;
            --radius-lg: 12px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
            --transition: 0.15s ease;
            --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            --max-width: 1240px;
        }

        /* Reset & Base */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            background-color: var(--bg);
            color: var(--text);
            font-family: var(--font);
            line-height: 1.7;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        img, svg {
            display: block;
            max-width: 100%;
            height: auto;
        }

        /* Layout & Typography Rules (Strict) */
        .fold, .nest, .knot, .flex {
            display: flex;
            flex-wrap: wrap;
        }
        .fold > *, .nest > *, .knot > *, .flex > * {
            min-width: 0;
        }
        .mist, .peak, .peak-huge {
            word-break: break-word;
            overflow-wrap: break-word;
            white-space: normal;
        }
        p.mist {
            word-break: keep-all; /* Chinese text optimization */
        }

        /* Typography */
        .peak-huge {
            font-size: clamp(2.5rem, 5vw, 4.5rem);
            font-weight: 800;
            line-height: 1.1;
            letter-spacing: -0.02em;
            margin-bottom: 24px;
        }
        .peak {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
        }
        .peak-sub {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .mist {
            color: var(--text-mist);
            font-size: 1.125rem;
            margin-bottom: 24px;
        }
        .mist-sm {
            color: var(--text-mist);
            font-size: 0.9rem;
            line-height: 1.5;
        }

        /* Navigation (Reused Structure) */
        .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: 1px solid var(--border);
        }
        .orbit {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 16px 24px;
            align-items: center;
            justify-content: space-between;
        }
        .sign img {
            height: 28px;
            width: auto;
        }
        .stalk {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
        }
        .path {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-mist);
            padding: 4px 0;
            position: relative;
        }
        .path:hover {
            color: var(--text);
        }
        .path.active {
            color: var(--text);
        }
        .path.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        /* Buttons & Badges */
        .pulse {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius);
            box-shadow: 0 4px 20px var(--primary-glow);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition);
            cursor: pointer;
        }
        .pulse:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(246, 33, 186, 0.4);
        }
        .spark {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border);
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--text);
            transition: all var(--transition);
            cursor: pointer;
        }
        .spark:hover, .spark.active {
            background: var(--border);
            border-color: rgba(255, 255, 255, 0.2);
        }

        /* Structural Containers */
        .aura {
            position: relative;
            min-height: 85vh;
            padding: 120px 24px;
            overflow: hidden;
            display: flex;
            align-items: center;
        }
        .vista {
            padding: 100px 24px;
            background: var(--bg);
        }
        .vista-alt {
            padding: 100px 24px;
            background: var(--bg-alt);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .fold-core {
            max-width: var(--max-width);
            margin: 0 auto;
            width: 100%;
        }

        /* Hero Specific - Split Diagonal Concept */
        .aura-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 80% 20%, rgba(246, 33, 186, 0.15) 0%, transparent 50%);
            z-index: 0;
            pointer-events: none;
        }
        .aura-split {
            position: absolute;
            top: 0;
            right: 0;
            width: 55%;
            height: 100%;
            background: linear-gradient(135deg, rgba(21, 21, 30, 0) 0%, rgba(21, 21, 30, 0.8) 100%);
            clip-path: polygon(20% 0, 100% 0, 100% 100%, 0 100%);
            z-index: 0;
        }
        .aura-fold {
            position: relative;
            z-index: 1;
            align-items: center;
            gap: 40px;
        }
        .aura-mist {
            flex: 1 1 500px;
        }
        .aura-visual {
            flex: 1 1 400px;
            display: flex;
            justify-content: center;
            align-items: center;
            perspective: 1000px;
        }
        .svg-aura {
            width: 100%;
            max-width: 500px;
            transform: rotateX(15deg) rotateY(-15deg);
            filter: drop-shadow(0 20px 40px rgba(246, 33, 186, 0.2));
            animation: float 6s ease-in-out infinite;
        }
        @keyframes float {
            0%, 100% { transform: rotateX(15deg) rotateY(-15deg) translateY(0); }
            50% { transform: rotateX(15deg) rotateY(-15deg) translateY(-20px); }
        }

        /* Component: Cards (Shard) */
        .nest-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
            margin-top: 40px;
        }
        .shard {
            background: var(--c-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .shard:hover {
            transform: translateY(-5px);
            border-color: rgba(255, 255, 255, 0.15);
            box-shadow: var(--shadow);
        }
        .shard-tint {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-bottom: 1px solid var(--border);
            background: #1a1a24;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .shard-mist {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .belt-filter {
            display: flex;
            gap: 12px;
            margin-bottom: 32px;
            overflow-x: auto;
            padding-bottom: 8px;
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        .belt-filter::-webkit-scrollbar {
            display: none;
        }

        /* Component: Features (Glyph) */
        .nest-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 40px;
            margin-top: 60px;
        }
        .glyph {
            background: var(--c-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 40px;
            position: relative;
            overflow: hidden;
            transition: transform var(--transition);
        }
        .glyph:hover {
            transform: translateY(-4px);
        }
        .glyph-seed {
            width: 56px;
            height: 56px;
            border-radius: 12px;
            background: rgba(246, 33, 186, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            border: 1px solid rgba(246, 33, 186, 0.2);
        }
        .glyph-seed svg {
            width: 28px;
            height: 28px;
            fill: var(--primary);
        }

        /* Creator Layout */
        .fold-creator {
            align-items: center;
            gap: 60px;
            background: linear-gradient(180deg, var(--c-bg) 0%, var(--bg) 100%);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 60px;
        }
        .creator-mist {
            flex: 1 1 400px;
        }
        .creator-seed {
            flex: 1 1 400px;
            display: flex;
            justify-content: center;
        }

        /* Footer */
        .root {
            background: var(--bg-alt);
            border-top: 1px solid var(--border);
            padding: 60px 24px 40px;
        }
        .echo {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 40px;
        }
        .drift {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border);
            padding-top: 24px;
        }
        .root-peak {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .aura { min-height: 70vh; padding: 100px 24px; }
            .peak-huge { font-size: 3rem; }
            .fold-creator { padding: 40px; }
        }
        @media (max-width: 768px) {
            .aura-split { display: none; }
            .stalk { gap: 16px; justify-content: center; width: 100%; margin-top: 12px; }
            .orbit { flex-direction: column; }
            .aura-fold { flex-direction: column; text-align: center; }
            .svg-aura { transform: none; animation: none; }
            .fold-creator { flex-direction: column; text-align: center; padding: 32px 20px; }
            .nest-grid, .nest-features { grid-template-columns: 1fr; }
            .drift { flex-direction: column; gap: 16px; text-align: center; }
        }

.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;
        }