:root {
            --brand-primary: #dd484b;
            --brand-deep: #b33a3d;
            --brand-light: #fff5f5;
            --neutral-dark: #1d1d1f;
            --neutral-grey: #86868b;
            --neutral-bg: #f5f5f7;
            --white: #ffffff;
            --radius-sm: 4px;
            --radius-md: 10px;
            --shadow-soft: 0 4px 20px rgba(0,0,0,0.05);
            --transition: 0.35s ease;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--neutral-dark);
            background-color: var(--white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            word-break: keep-all;
        }

        .shroud {
            width: 100%;
            overflow-x: hidden;
        }

        /* 顶部导航: vane */
        .vane {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 64px;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 1000;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        .orbit {
            max-width: 1400px;
            margin: 0 auto;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 40px;
            flex-wrap: wrap;
        }

        .glyph {
            height: 32px;
            min-width: 0;
        }

        .glyph img {
            height: 100%;
            display: block;
        }

        .array {
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
            min-width: 0;
        }

        .signet {
            text-decoration: none;
            color: var(--neutral-dark);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            padding: 4px 0;
        }

        .signet:hover {
            color: var(--brand-primary);
        }

        .signet.active {
            color: var(--brand-primary);
        }

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

        /* 主内容: vault */
        .vault {
            padding-top: 64px;
        }

        /* Cinematic Hero: vista */
        .vista {
            position: relative;
            width: 100%;
            aspect-ratio: 21 / 9;
            min-height: 400px;
            background: linear-gradient(135deg, #1d1d1f 0%, #3a3a3c 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            overflow: hidden;
            margin-bottom: 80px;
        }

        .vista::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 70% 30%, rgba(221, 72, 75, 0.15) 0%, transparent 60%);
        }

        .focal-shroud {
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 40px 60px;
            position: relative;
            z-index: 2;
        }

        .vista .crest {
            font-size: clamp(32px, 5vw, 64px);
            color: var(--white);
            font-weight: 700;
            line-height: 1.1;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            word-break: break-word;
        }

        .vista .pith {
            font-size: clamp(16px, 1.5vw, 20px);
            color: rgba(255, 255, 255, 0.8);
            max-width: 800px;
            margin-bottom: 32px;
            word-break: break-word;
        }

        .flux-clump {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            min-width: 0;
        }

        .stamp {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            border: none;
        }

        .stamp-primary {
            background-color: var(--brand-primary);
            color: var(--white);
        }

        .stamp-primary:hover {
            background-color: var(--brand-deep);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(221, 72, 75, 0.3);
        }

        .stamp-outline {
            background: transparent;
            color: var(--white);
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .stamp-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--white);
        }

        /* 能力矩阵: focal */
        .focal {
            max-width: 1400px;
            margin: 0 auto 120px;
            padding: 0 40px;
        }

        .focal > .crest {
            font-size: 36px;
            text-align: center;
            margin-bottom: 16px;
            color: var(--neutral-dark);
        }

        .focal > .pith {
            text-align: center;
            color: var(--neutral-grey);
            max-width: 700px;
            margin: 0 auto 60px;
        }

        .slate-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .folio {
            background: var(--neutral-bg);
            border-radius: var(--radius-md);
            padding: 40px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            border: 1px solid transparent;
        }

        .folio:hover {
            background: var(--white);
            border-color: rgba(221, 72, 75, 0.1);
            box-shadow: var(--shadow-soft);
            transform: translateY(-4px);
        }

        .tide {
            width: 48px;
            height: 48px;
            margin-bottom: 24px;
            color: var(--brand-primary);
        }

        .folio .crest {
            font-size: 22px;
            margin-bottom: 12px;
            color: var(--neutral-dark);
        }

        .folio .pith {
            font-size: 15px;
            color: var(--neutral-grey);
            line-height: 1.7;
        }

        /* 云端协作: glow */
        .glow {
            background-color: var(--neutral-dark);
            color: var(--white);
            padding: 100px 0;
            margin-bottom: 100px;
        }

        .hull-shroud {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 40px;
            display: flex;
            align-items: center;
            gap: 80px;
            flex-wrap: wrap;
        }

        .hull-shroud {
            flex: 1;
            min-width: 320px;
        }

        .hull-media {
            flex: 1;
            min-width: 320px;
            position: relative;
        }

        .hull-media .optic {
            width: 100%;
            border-radius: var(--radius-md);
            box-shadow: 0 20px 40px rgba(0,0,0,0.4);
            display: block;
        }

        .glow .crest {
            font-size: 42px;
            line-height: 1.2;
            margin-bottom: 24px;
        }

        .glow .pith {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 40px;
        }

        .band-clump {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .bead-info .crest {
            font-size: 18px;
            margin-bottom: 8px;
            color: var(--brand-primary);
        }

        .bead-info .pith {
            font-size: 14px;
            line-height: 1.6;
        }

        /* 专题承接: hull */
        .hull {
            max-width: 1400px;
            margin: 0 auto 120px;
            padding: 0 40px;
        }

        .slab-array {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
        }

        .slab {
            border-top: 1px solid #eee;
            padding-top: 32px;
        }

        .slab .crest {
            font-size: 14px;
            text-transform: uppercase;
            color: var(--brand-primary);
            letter-spacing: 0.1em;
            margin-bottom: 16px;
        }

        .slab .pith {
            font-size: 16px;
            margin-bottom: 20px;
            color: var(--neutral-dark);
            font-weight: 500;
        }

        .etch-signet {
            font-size: 14px;
            color: var(--brand-primary);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            transition: var(--transition);
        }

        .etch-signet:hover {
            gap: 12px;
        }

        /* 页脚: halt */
        .halt {
            background: var(--neutral-bg);
            padding: 80px 0 40px;
            border-top: 1px solid rgba(0,0,0,0.05);
        }

        .nadir-vault {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 40px;
        }

        .quill-band {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            margin-bottom: 60px;
        }

        .quill-column .crest {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .quill-column .signet {
            display: block;
            font-size: 14px;
            color: var(--neutral-grey);
            margin-bottom: 12px;
            text-decoration: none;
            transition: var(--transition);
        }

        .quill-column .signet:hover {
            color: var(--brand-primary);
        }

        .sole-pith {
            border-top: 1px solid rgba(0,0,0,0.05);
            padding-top: 32px;
            text-align: center;
            font-size: 13px;
            color: var(--neutral-grey);
        }

        @media (max-width: 1024px) {
            .vista {
                aspect-ratio: 16 / 9;
            }
            .hull-shroud {
                flex-direction: column;
                gap: 40px;
            }
            .slab-array {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .orbit {
                padding: 0 20px;
            }
            .array {
                display: none; /* Mobile menu logic omitted for brevity as per focus on visual layout */
            }
            .vista {
                aspect-ratio: 4 / 3;
            }
            .focal-shroud {
                padding: 0 20px 40px;
            }
            .slate-grid {
                grid-template-columns: 1fr;
            }
            .band-clump {
                grid-template-columns: 1fr;
            }
            .focal, .hull, .nadir-vault {
                padding: 0 20px;
            }
        }

.vane-vane {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    word-break: keep-all;
    color: var(--neutral-dark);
}
.vane-vane,
.vane-vane *,
.vane-vane *::before,
.vane-vane *::after {
    box-sizing: border-box;
}

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

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

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

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

.vane-vane a.vane-signet {
    --aisite-shell-nav-padding: 4px 0;
    --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;
}

.vane-vane a.vane-signet,
.vane-vane a.vane-signet:hover,
.vane-vane a.vane-signet:focus,
.vane-vane a.vane-signet:active,
.vane-vane a.vane-signet.active,
.vane-vane a.vane-signet[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);
}

.vane-vane{
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 64px;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 1000;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

.vane-vane .vane-orbit{
            max-width: 1400px;
            margin: 0 auto;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 40px;
            flex-wrap: wrap;
        }

.vane-vane .vane-glyph{
            height: 32px;
            min-width: 0;
        }

.vane-vane .vane-glyph img{
            height: 100%;
            display: block;
        }

.vane-vane .vane-array{
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
            min-width: 0;
        }

.vane-vane .vane-signet{
            text-decoration: none;
            color: #1d1d1f;
            font-size: 14px;
            font-weight: 500;
            transition: 0.35s ease;
            position: relative;
            padding: 4px 0;
        }

.vane-vane .vane-signet:hover{
            color: #dd484b;
        }

.vane-vane .vane-signet.active{
            color: #dd484b;
        }

.vane-vane .vane-signet.active::after{
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: #dd484b;
            border-radius: 2px;
        }

.vane-vane .vane-flux-clump{
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            min-width: 0;
        }

.vane-vane .vane-stamp{
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            transition: 0.35s ease;
            text-decoration: none;
            border: none;
        }

.vane-vane .vane-stamp-primary{
            background-color: #dd484b;
            color: #ffffff;
        }

.vane-vane .vane-stamp-primary:hover{
            background-color: #b33a3d;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(221, 72, 75, 0.3);
        }

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

.vane-vane .vane-array{
                display: none; 
            }}

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

.nadir-halt {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    word-break: keep-all;
    color: var(--neutral-dark);
}
.nadir-halt,
.nadir-halt *,
.nadir-halt *::before,
.nadir-halt *::after {
    box-sizing: border-box;
}

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

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

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

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

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

.nadir-halt .nadir-signet{
            text-decoration: none;
            color: #1d1d1f;
            font-size: 14px;
            font-weight: 500;
            transition: 0.35s ease;
            position: relative;
            padding: 4px 0;
        }

.nadir-halt .nadir-signet:hover{
            color: #dd484b;
        }

.nadir-halt .nadir-signet.active{
            color: #dd484b;
        }

.nadir-halt .nadir-signet.active::after{
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: #dd484b;
            border-radius: 2px;
        }

.nadir-halt{
            background: #f5f5f7;
            padding: 80px 0 40px;
            border-top: 1px solid rgba(0,0,0,0.05);
        }

.nadir-halt .nadir-nadir-vault{
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 40px;
        }

.nadir-halt .nadir-quill-band{
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            margin-bottom: 60px;
        }

.nadir-halt .nadir-quill-column .nadir-crest{
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 24px;
        }

.nadir-halt .nadir-quill-column .nadir-signet{
            display: block;
            font-size: 14px;
            color: #86868b;
            margin-bottom: 12px;
            text-decoration: none;
            transition: 0.35s ease;
        }

.nadir-halt .nadir-quill-column .nadir-signet:hover{
            color: #dd484b;
        }

.nadir-halt .nadir-sole-pith{
            border-top: 1px solid rgba(0,0,0,0.05);
            padding-top: 32px;
            text-align: center;
            font-size: 13px;
            color: #86868b;
        }

@media (max-width: 768px){.nadir-halt .nadir-nadir-vault{
                padding: 0 20px;
            }}