:root {
            --primary: #d5f04c;
            --primary-soft: rgba(213, 240, 76, 0.1);
            --accent: #1a1a1a;
            --accent-light: #2d2d2d;
            --white: #ffffff;
            --ghost: #f5f7f9;
            --radius: 20px;
            --shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
            --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.7;
            color: var(--accent);
            background-color: var(--white);
            overflow-x: hidden;
        }

        /* 导航栏复用与修正 */
        .apex {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        .pinyin {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 15px 25px;
        }

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

        .spool {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
        }

        .trail {
            text-decoration: none;
            color: var(--accent-light);
            font-weight: 500;
            font-size: 15px;
            transition: var(--transition);
            position: relative;
        }

        .trail:hover, .trail.active {
            color: var(--accent);
        }

        .trail.active::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        /* 主容器布局 */
        .vault {
            max-width: 1400px;
            margin: 100px auto 0;
            padding: 0 25px;
        }

        /* 模块 1: Intro (Article) */
        .nebula-shroud {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 50px;
            align-items: center;
            padding: 80px 0;
        }

        .lexicon-nebula {
            font-size: clamp(36px, 6vw, 64px);
            line-height: 1.1;
            font-weight: 800;
            letter-spacing: -2px;
            margin-bottom: 25px;
            color: var(--accent);
        }

        .glyph-aura {
            font-size: 1.2rem;
            color: #666;
            margin-bottom: 40px;
            max-width: 600px;
            word-break: keep-all;
        }

        .optic-glance {
            width: 100%;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: transform 0.5s ease;
            min-width: 0;
        }

        .optic-glance:hover {
            transform: scale(1.02);
        }

        .trigger-snap {
            display: inline-flex;
            align-items: center;
            padding: 18px 45px;
            background-color: var(--primary);
            color: var(--accent);
            text-decoration: none;
            font-weight: 700;
            border-radius: 100px;
            box-shadow: 0 10px 20px rgba(213, 240, 76, 0.3);
            transition: var(--transition);
        }

        .trigger-snap:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(213, 240, 76, 0.4);
        }

        /* 模块 2: Capability (Section) */
        .capsule-nexus {
            padding: 100px 0;
            background: var(--ghost);
            margin: 0 -25px;
            padding-left: 25px;
            padding-right: 25px;
            border-radius: 40px;
        }

        .lexicon-strand {
            text-align: center;
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 60px;
        }

        .nexus-grain {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .keycap-token {
            background: var(--white);
            padding: 50px;
            border-radius: var(--radius);
            transition: var(--transition);
            border: 1px solid rgba(0,0,0,0.03);
            display: flex;
            flex-direction: column;
            gap: 20px;
            min-width: 0;
        }

        .keycap-token:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow);
        }

        .motif-veneer {
            width: 64px;
            height: 64px;
            background: var(--primary-soft);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
        }

        .lexicon-token {
            font-size: 1.5rem;
            font-weight: 700;
        }

        .glyph-token {
            color: #666;
            font-size: 1rem;
        }

        /* 模块 3: Capability (Aside) */
        .hollow-aura {
            padding: 100px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 60px;
            align-items: flex-start;
        }

        .grain-syntax {
            flex: 1;
            min-width: 320px;
        }

        .veneer-strand {
            flex: 1.2;
            min-width: 320px;
            background: #1a1a1a;
            color: #fff;
            padding: 40px;
            border-radius: 30px;
            position: relative;
            overflow: hidden;
        }

        .veneer-strand::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(213, 240, 76, 0.15) 0%, transparent 70%);
        }

        .lexicon-hollow {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 30px;
            color: var(--accent);
        }

        .grain-prompt {
            margin-bottom: 30px;
            padding-left: 20px;
            border-left: 4px solid var(--primary);
        }

        .lexicon-prompt {
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 8px;
        }

        .glyph-prompt {
            color: #777;
        }

        /* 虚拟界面展示 */
        .keycap-glance {
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 15px;
            padding: 20px;
            margin-top: 20px;
        }

        .glyph-syntax-highlight {
            color: var(--primary);
            text-decoration: line-through;
            opacity: 0.6;
            margin-right: 10px;
        }

        .glyph-syntax-correct {
            color: #fff;
            background: rgba(213, 240, 76, 0.2);
            padding: 2px 6px;
            border-radius: 4px;
        }

        /* 页脚 */
        .nadir {
            background-color: var(--ghost);
            padding: 80px 25px;
            margin-top: 100px;
            border-top: 1px solid rgba(0,0,0,0.05);
        }

        .echo-vault {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 50px;
        }

        .datum-nexus {
            flex: 1;
            min-width: 250px;
        }

        .lexicon-abyss {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 25px;
            color: var(--accent);
        }

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

        .trail-abyss {
            text-decoration: none;
            color: #666;
            transition: var(--transition);
            font-size: 0.95rem;
        }

        .trail-abyss:hover {
            color: var(--accent);
            padding-left: 5px;
        }

        .abyss-shroud {
            width: 100%;
            text-align: center;
            margin-top: 60px;
            padding-top: 30px;
            border-top: 1px solid rgba(0,0,0,0.05);
            color: #999;
            font-size: 0.85rem;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .nebula-shroud { grid-template-columns: 1fr; text-align: center; }
            .glyph-aura { margin-left: auto; margin-right: auto; }
            .hollow-aura { flex-direction: column; }
        }

        @media (max-width: 768px) {
            .spool { display: none; } /* 移动端简化 */
            .pinyin { justify-content: center; }
            .lexicon-nebula { font-size: 2.5rem; }
            .nexus-grain { grid-template-columns: 1fr; }
        }

.pinyin-apex {
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.7;
    color: var(--dark);
}
.pinyin-apex,
.pinyin-apex *,
.pinyin-apex *::before,
.pinyin-apex *::after {
    box-sizing: border-box;
}

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

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

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

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

.pinyin-apex a.pinyin-trail {
    --aisite-shell-nav-padding: 8px 16px;
    --aisite-shell-nav-margin: 0;
    --aisite-shell-nav-line-height: normal;
    --aisite-shell-nav-display: inline;
    --aisite-shell-nav-height: auto;
    --aisite-shell-nav-min-height: auto;
}

.pinyin-apex a.pinyin-trail,
.pinyin-apex a.pinyin-trail:hover,
.pinyin-apex a.pinyin-trail:focus,
.pinyin-apex a.pinyin-trail:active,
.pinyin-apex a.pinyin-trail.active,
.pinyin-apex a.pinyin-trail[aria-current="page"] {
    background: transparent;
    border: none;
    border-bottom: none;
    box-shadow: none;
    outline: none;
    text-decoration: none;
    padding: var(--aisite-shell-nav-padding, 0);
    margin: var(--aisite-shell-nav-margin, 0);
    line-height: var(--aisite-shell-nav-line-height, normal);
    display: var(--aisite-shell-nav-display, inline);
    height: var(--aisite-shell-nav-height, auto);
    min-height: var(--aisite-shell-nav-min-height, auto);
}

.pinyin-apex{
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

.pinyin-apex .pinyin-pinyin{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            max-width: 1300px;
            margin: 0 auto;
            padding: 15px 25px;
        }

.pinyin-apex .pinyin-sigil{
            display: flex;
            align-items: center;
            min-width: 0;
        }

.pinyin-apex .pinyin-sigil img{
            height: 40px;
            width: auto;
        }

.pinyin-apex .pinyin-spool{
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            min-width: 0;
        }

.pinyin-apex .pinyin-trail{
            text-decoration: none;
            color: #2d2d2d;
            font-weight: 500;
            font-size: 15px;
            padding: 8px 16px;
            border-radius: 12px;
            transition: 0.35s ease;
        }

.pinyin-apex .pinyin-trail:hover{
            background: #d5f04c;
            color: #1a1a1a;
        }

.pinyin-apex .pinyin-trail.active{
            color: #1a1a1a;
            background: #d5f04c;
            box-shadow: 0 4px 12px rgba(213, 240, 76, 0.3);
        }

.pinyin-apex {
    background: rgb(255, 255, 255);
    background-image: none;
}

.echo-nadir {
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.7;
    color: var(--dark);
}
.echo-nadir,
.echo-nadir *,
.echo-nadir *::before,
.echo-nadir *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.echo-nadir .echo-glyph-grain{
            color: #666;
            font-size: 16px;
        }

.echo-nadir{
            background: #f8f9fa;
            padding: 80px 25px 40px;
            border-top: 1px solid rgba(0,0,0,0.03);
        }

.echo-nadir .echo-echo-grid{
            max-width: 1300px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.5fr repeat(4, 1fr);
            gap: 40px;
        }

.echo-nadir .echo-datum-brand{
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

.echo-nadir .echo-lexicon-brand{
            font-size: 24px;
            font-weight: 800;
            color: #1a1a1a;
        }

.echo-nadir .echo-datum-nexus{
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

.echo-nadir .echo-lexicon-datum{
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 5px;
        }

.echo-nadir .echo-trail-datum{
            text-decoration: none;
            color: #777;
            font-size: 14px;
            transition: 0.35s ease;
        }

.echo-nadir .echo-trail-datum:hover{
            color: #1a1a1a;
        }

.echo-nadir .echo-abyss-copyright{
            max-width: 1300px;
            margin: 60px auto 0;
            padding-top: 30px;
            border-top: 1px solid rgba(0,0,0,0.05);
            text-align: center;
            font-size: 13px;
            color: #aaa;
        }

@media (max-width: 1024px){.echo-nadir .echo-echo-grid{
                grid-template-columns: 1fr 1fr;
            }}

@media (max-width: 768px){.echo-nadir .echo-echo-grid{
                grid-template-columns: 1fr;
            }}