:root {
            --primary: #d5f04c;
            --dark: #1a1a1a;
            --light: #f8f9fa;
            --accent: #2d2d2d;
            --radius: 20px;
            --shadow: 0 10px 30px rgba(0,0,0,0.08);
            --transition: 0.35s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            word-break: break-word;
            overflow-wrap: break-word;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.7;
            color: var(--dark);
            background-color: #fff;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

        .trail {
            text-decoration: none;
            color: var(--accent);
            font-weight: 500;
            font-size: 15px;
            padding: 8px 16px;
            border-radius: 12px;
            transition: var(--transition);
        }

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

        .trail.active {
            color: var(--dark);
            background: var(--primary);
            box-shadow: 0 4px 12px rgba(213, 240, 76, 0.3);
        }

        /* Hero (Nebula) - Asymmetric Grid 70/30 */
        .nebula {
            display: grid;
            grid-template-columns: 1.8fr 1fr;
            min-height: 85vh;
            max-width: 1400px;
            margin: 40px auto;
            gap: 30px;
            padding: 0 25px;
            align-items: center;
        }

        .aura {
            background: var(--light);
            border-radius: var(--radius);
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            position: relative;
        }

        .optic-motion {
            width: 90%;
            height: auto;
        }

        .glance {
            padding: 40px;
        }

        .lexicon-capsule {
            font-size: clamp(32px, 5vw, 56px);
            line-height: 1.1;
            margin-bottom: 25px;
            color: var(--dark);
            font-weight: 800;
            letter-spacing: -1px;
        }

        .glyph-intro {
            font-size: 18px;
            color: #666;
            margin-bottom: 35px;
            max-width: 500px;
        }

        .nexus-prompt {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }

        .trigger {
            background: var(--primary);
            color: var(--dark);
            padding: 18px 45px;
            border-radius: 100px;
            font-weight: 700;
            text-decoration: none;
            font-size: 18px;
            transition: var(--transition);
            box-shadow: 0 10px 20px rgba(213, 240, 76, 0.2);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .trigger:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(213, 240, 76, 0.4);
        }

        .strand-platforms {
            margin-top: 40px;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            border-top: 1px solid rgba(0,0,0,0.05);
            padding-top: 30px;
        }

        .grain-plat {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: #888;
            font-weight: 500;
        }

        /* Capability Vault */
        .vault-capability {
            padding: 100px 25px;
            background: linear-gradient(180deg, #fff 0%, var(--light) 100%);
        }

        .capsule-wide {
            max-width: 1200px;
            margin: 0 auto;
        }

        .lexicon-sub {
            text-align: center;
            font-size: clamp(28px, 4vw, 42px);
            margin-bottom: 60px;
            font-weight: 700;
        }

        .nexus-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .keycap-feature {
            background: #fff;
            padding: 40px;
            border-radius: var(--radius);
            border: 1px solid rgba(0,0,0,0.03);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .keycap-feature:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow);
            border-color: var(--primary);
        }

        .motif-large {
            width: 60px;
            height: 60px;
            background: var(--light);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
        }

        .lexicon-grain {
            font-size: 24px;
            font-weight: 700;
            color: var(--dark);
        }

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

        /* Ecosystem Grid (Closing) */
        .vault-ecosystem {
            padding: 80px 25px;
            max-width: 1300px;
            margin: 0 auto;
        }

        .shroud-eco {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
            gap: 40px;
        }

        .veneer-eco {
            position: relative;
            background: var(--dark);
            color: #fff;
            padding: 60px;
            border-radius: 30px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            min-height: 400px;
        }

        .veneer-eco:nth-child(2) {
            background: #f0f4ff;
            color: var(--dark);
        }

        .lexicon-eco {
            font-size: 32px;
            margin-bottom: 20px;
            position: relative;
            z-index: 2;
        }

        .glyph-eco {
            font-size: 18px;
            margin-bottom: 30px;
            opacity: 0.9;
            position: relative;
            z-index: 2;
        }

        .prompt-eco {
            align-self: flex-start;
            padding: 12px 30px;
            border: 2px solid var(--primary);
            color: var(--primary);
            text-decoration: none;
            border-radius: 100px;
            font-weight: 600;
            transition: var(--transition);
            position: relative;
            z-index: 2;
        }

        .veneer-eco:nth-child(2) .prompt-eco {
            border-color: var(--dark);
            color: var(--dark);
        }

        .prompt-eco:hover {
            background: var(--primary);
            color: var(--dark);
        }

        /* SEO Content Block */
        .hollow-shroud {
            padding: 80px 25px;
            max-width: 1000px;
            margin: 0 auto;
            border-top: 1px solid rgba(0,0,0,0.05);
        }

        .lexicon-seo {
            font-size: 28px;
            margin-bottom: 30px;
            color: var(--dark);
        }

        .glyph-seo {
            font-size: 16px;
            color: #555;
            margin-bottom: 25px;
            line-height: 1.8;
        }

        /* Nadir */
        .nadir {
            background: var(--light);
            padding: 80px 25px 40px;
            border-top: 1px solid rgba(0,0,0,0.03);
        }

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

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

        .lexicon-brand {
            font-size: 24px;
            font-weight: 800;
            color: var(--dark);
        }

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

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

        .trail-datum {
            text-decoration: none;
            color: #777;
            font-size: 14px;
            transition: var(--transition);
        }

        .trail-datum:hover {
            color: var(--dark);
        }

        .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;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nebula {
                grid-template-columns: 1fr;
                grid-template-rows: auto auto;
                text-align: center;
            }
            .aura {
                min-height: 400px;
                order: 2;
            }
            .glance {
                order: 1;
                padding: 20px 0;
            }
            .nexus-prompt {
                justify-content: center;
            }
            .strand-platforms {
                justify-content: center;
            }
            .echo-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .shroud-eco {
                grid-template-columns: 1fr;
            }
            .veneer-eco {
                min-height: 320px;
                padding: 40px;
            }
            .echo-grid {
                grid-template-columns: 1fr;
            }
        }

        /* SVG Animations */
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-15px); }
            100% { transform: translateY(0px); }
        }
        .float { animation: float 6s ease-in-out infinite; }

.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;
            }}