:root {
            --prime: #e0684d;
            --prime-soft: #fdf2f0;
            --ink: #1d1d1f;
            --mist: #86868b;
            --void: #f5f5f7;
            --pure: #ffffff;
            --radius: 14px;
            --shadow: 0 10px 30px rgba(0,0,0,0.08);
            --transition: 0.35s ease;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--ink);
            line-height: 1.7;
            background-color: var(--pure);
            word-break: keep-all;
            overflow-x: hidden;
        }

        /* 顶部导航区域 */
        .crest {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        .trail {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 40px;
            height: 72px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .glyph {
            height: 32px;
            display: flex;
            align-items: center;
        }

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

        .loom {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .dock {
            text-decoration: none;
            color: var(--ink);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            padding: 4px 0;
        }

        .dock:hover {
            color: var(--prime);
        }

        .dock.active {
            color: var(--prime);
        }

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

        /* 主内容容器 */
        .pith {
            width: 100%;
        }

        /* Hero展示区 - card_float 原型 */
        .vista {
            position: relative;
            height: 90vh;
            min-height: 600px;
            width: 100%;
            overflow: hidden;
            display: flex;
            align-items: flex-end;
            background: var(--void);
        }

        .lens-backdrop {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 1;
        }

        .folio-float {
            position: relative;
            z-index: 2;
            background: var(--pure);
            padding: 60px;
            margin-left: 5%;
            margin-bottom: 80px;
            max-width: 580px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            min-width: 0;
        }

        .gist-pith {
            font-size: clamp(32px, 4vw, 48px);
            line-height: 1.2;
            font-weight: 700;
            margin-bottom: 24px;
            color: var(--ink);
            word-break: break-word;
        }

        .rune-sub {
            font-size: 18px;
            color: var(--mist);
            margin-bottom: 40px;
            word-break: break-word;
        }

        .etch-prime {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--prime);
            color: var(--pure);
            padding: 18px 48px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            font-size: 18px;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

        .etch-prime:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(224, 104, 77, 0.3);
        }

        /* 四大组件区块 */
        .stage-capability {
            padding: 120px 40px;
            max-width: 1300px;
            margin: 0 auto;
        }

        .band-crest {
            text-align: center;
            margin-bottom: 80px;
        }

        .gist-pith {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .rune-intro {
            color: var(--mist);
            max-width: 700px;
            margin: 0 auto;
        }

        .herd-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            margin-top: 60px;
        }

        .slab-feature {
            flex: 1;
            min-width: 280px;
            padding: 40px;
            background: var(--void);
            border-radius: var(--radius);
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .slab-feature:hover {
            background: var(--pure);
            border-color: var(--prime-soft);
            box-shadow: var(--shadow);
            transform: translateY(-5px);
        }

        .pips-box {
            width: 64px;
            height: 64px;
            background: var(--pure);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.04);
        }

        .pips-box svg {
            width: 32px;
            height: 32px;
            fill: var(--prime);
        }

        .gist-small {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .rune-detail {
            font-size: 15px;
            color: var(--mist);
        }

        /* 模板展示区块 */
        .stage-proof {
            padding: 100px 0;
            background-color: #fafafa;
        }

        .cage-wide {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 40px;
            display: flex;
            align-items: center;
            gap: 80px;
            flex-wrap: wrap;
        }

        .veil-rune {
            flex: 1;
            min-width: 340px;
        }

        .veil-media {
            flex: 1.4;
            min-width: 340px;
        }

        .lens-display {
            width: 100%;
            border-radius: var(--radius);
            box-shadow: 0 20px 50px rgba(0,0,0,0.1);
        }

        /* 协作与导览区块 */
        .stage-closing {
            padding: 120px 40px;
            background: var(--ink);
            color: var(--pure);
            text-align: center;
        }

        .band-sync {
            max-width: 900px;
            margin: 0 auto;
        }

        .gist-white {
            font-size: 42px;
            margin-bottom: 30px;
            font-weight: 700;
        }

        .rune-light {
            color: #a1a1a6;
            font-size: 18px;
            margin-bottom: 50px;
        }

        /* 站内导览模块 */
        .cage-aside {
            background: var(--void);
            padding: 80px 40px;
        }

        .herd-paths {
            max-width: 1300px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .twig-path {
            background: var(--pure);
            padding: 30px;
            border-radius: var(--radius);
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
            display: block;
        }

        .twig-path:hover {
            background: var(--prime);
            color: var(--pure);
            transform: scale(1.02);
        }

        .gist-path {
            font-weight: 600;
            margin-bottom: 10px;
            display: block;
        }

        .rune-path {
            font-size: 13px;
            opacity: 0.8;
        }

        /* 页脚区域 */
        .keel {
            padding: 80px 40px 40px;
            background: var(--pure);
            border-top: 1px solid var(--void);
        }

        .rim-pith {
            max-width: 1300px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 60px;
        }

        .veil-brand {
            flex: 1.5;
            min-width: 200px;
        }

        .gist-brand {
            font-size: 24px;
            font-weight: 700;
            color: var(--prime);
            margin-bottom: 20px;
        }

        .herd-links {
            flex: 3;
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
        }

        .veil-column {
            flex: 1;
            min-width: 140px;
        }

        .gist-keel {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .twig-keel {
            list-style: none;
        }

        .dock-keel {
            display: block;
            text-decoration: none;
            color: var(--mist);
            font-size: 14px;
            margin-bottom: 12px;
            transition: var(--transition);
        }

        .dock-keel:hover {
            color: var(--prime);
        }

        .spine-bottom {
            max-width: 1300px;
            margin: 60px auto 0;
            padding-top: 30px;
            border-top: 1px solid var(--void);
            text-align: center;
            font-size: 13px;
            color: var(--mist);
        }

        @media (max-width: 768px) {
            .trail { padding: 0 20px; }
            .loom { display: none; }
            .vista { height: auto; min-height: 500px; padding-top: 72px; }
            .folio-float { margin: 20px; padding: 40px 30px; border-radius: 0; position: static; box-shadow: none; width: 100%; }
            .stage-capability { padding: 60px 20px; }
            .cage-wide { flex-direction: column; gap: 40px; padding: 0 20px; }
            .gist-white { font-size: 32px; }
            .rim-pith { flex-direction: column; gap: 40px; }
        }

.trail-crest{
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

.trail-crest .trail-trail{
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 40px;
            height: 72px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

.trail-crest .trail-glyph{
            height: 32px;
            display: flex;
            align-items: center;
        }

.trail-crest .trail-glyph img{
            height: 100%;
            width: auto;
        }

.trail-crest .trail-loom{
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

.trail-crest .trail-dock{
            text-decoration: none;
            color: #1d1d1f;
            font-size: 15px;
            font-weight: 500;
            transition: 0.35s ease;
            position: relative;
            padding: 4px 0;
        }

.trail-crest .trail-dock:hover{
            color: #e0684d;
        }

.trail-crest .trail-dock.active{
            color: #e0684d;
        }

.trail-crest .trail-dock.active::after{
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: #e0684d;
            border-radius: 2px;
        }

@media (max-width: 768px){.trail-crest .trail-trail{ padding: 0 20px; }

.trail-crest .trail-loom{ display: none; }}

.trail-crest {
    background: rgb(255, 255, 255);
    background-image: none;
}

.spine-keel {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.7;
    word-break: keep-all;
    color: var(--ink);
}
.spine-keel,
.spine-keel *,
.spine-keel *::before,
.spine-keel *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.spine-keel .spine-rune-intro{
            color: #86868b;
            max-width: 700px;
            margin: 0 auto;
        }

.spine-keel{
            padding: 80px 40px 40px;
            background: #ffffff;
            border-top: 1px solid #f5f5f7;
        }

.spine-keel .spine-rim-pith{
            max-width: 1300px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 60px;
        }

.spine-keel .spine-veil-brand{
            flex: 1.5;
            min-width: 200px;
        }

.spine-keel .spine-gist-brand{
            font-size: 24px;
            font-weight: 700;
            color: #e0684d;
            margin-bottom: 20px;
        }

.spine-keel .spine-herd-links{
            flex: 3;
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
        }

.spine-keel .spine-veil-column{
            flex: 1;
            min-width: 140px;
        }

.spine-keel .spine-gist-keel{
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

.spine-keel .spine-twig-keel{
            list-style: none;
        }

.spine-keel .spine-dock-keel{
            display: block;
            text-decoration: none;
            color: #86868b;
            font-size: 14px;
            margin-bottom: 12px;
            transition: 0.35s ease;
        }

.spine-keel .spine-dock-keel:hover{
            color: #e0684d;
        }

.spine-keel .spine-spine-bottom{
            max-width: 1300px;
            margin: 60px auto 0;
            padding-top: 30px;
            border-top: 1px solid #f5f5f7;
            text-align: center;
            font-size: 13px;
            color: #86868b;
        }

@media (max-width: 768px){.spine-keel .spine-rim-pith{ flex-direction: column; gap: 40px; }}