:root {
    --bg: #06111a;
    --bg2: #0b1723;
    --panel: rgba(12, 25, 36, 0.78);
    --header-bg: rgba(5, 11, 16, 0.72);
    --nav-pop: rgba(5, 12, 18, 0.96);
    --input-bg: rgba(4, 10, 14, 0.76);
    --line: rgba(125, 170, 206, 0.18);
    --text: #eff6ff;
    --muted: #95a9bb;
    --subtle: #6f879c;
    --cyan: #7dd3fc;
    --amber: #f59e0b;
    --orange: #f97316;
    --green: #34d399;
    --shadow: 0 22px 70px rgba(0, 0, 0, 0.35);
}
html[data-theme="light"] {
    --bg: #eef6fb;
    --bg2: #dfeff8;
    --panel: rgba(255, 255, 255, 0.72);
    --header-bg: rgba(242, 248, 252, 0.8);
    --nav-pop: rgba(248, 251, 254, 0.98);
    --input-bg: rgba(255, 255, 255, 0.88);
    --line: rgba(79, 111, 139, 0.18);
    --text: #102133;
    --muted: #4e677d;
    --subtle: #6b8295;
    --shadow: 0 18px 48px rgba(69, 101, 130, 0.14);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--text);
    font: 16px/1.6 "Segoe UI", "Microsoft YaHei UI", "PingFang SC", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(125, 211, 252, 0.12), transparent 30%),
        radial-gradient(circle at 85% 15%, rgba(249, 115, 22, 0.1), transparent 20%),
        linear-gradient(180deg, #07121b, #050d13 62%);
    overflow-x: hidden;
}
html[data-theme="light"] body {
    background:
        radial-gradient(circle at top left, rgba(56, 189, 248, 0.12), transparent 30%),
        radial-gradient(circle at 85% 15%, rgba(249, 115, 22, 0.12), transparent 18%),
        linear-gradient(180deg, #f3f9fd, #e8f2f8 62%);
}
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(100, 130, 150, 0.16) 1px, transparent 0);
    background-size: 24px 24px;
    pointer-events: none;
}
html[data-theme="light"] body::before {
    background-image: radial-gradient(circle at 1px 1px, rgba(95, 127, 150, 0.14) 1px, transparent 0);
}
body::after {
    content: "";
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(125, 211, 252, 0.7), rgba(249, 115, 22, 0.8), transparent);
    pointer-events: none;
    z-index: 40;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
.mono { font-family: "Cascadia Mono", Consolas, monospace; }
.shell { width: min(1160px, calc(100vw - 32px)); margin: 0 auto; }
.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    backdrop-filter: blur(18px);
    background: var(--header-bg);
    border-bottom: 1px solid rgba(125, 170, 206, 0.12);
}
.site-header-inner {
    min-height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.brand { display: inline-flex; align-items: center; gap: 14px; }
.brand-mark {
    width: 46px;
    height: 46px;
    padding: 10px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(125, 211, 252, 0.22), rgba(249, 115, 22, 0.24));
    border: 1px solid rgba(125, 170, 206, 0.24);
}
.brand-copy { display: flex; flex-direction: column; }
.brand-copy strong { font-size: 0.96rem; }
.brand-copy span { font-size: 0.72rem; color: var(--subtle); letter-spacing: 0.18em; text-transform: uppercase; }
.nav-links { display: flex; gap: 6px; align-items: center; }
.nav-links a {
    padding: 10px 12px;
    border-radius: 999px;
    color: var(--muted);
    font-size: 0.86rem;
    white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active { background: rgba(125, 211, 252, 0.12); color: var(--text); }
.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(8, 18, 26, 0.88);
    color: var(--text);
}
.header-tools {
    display: flex;
    align-items: center;
    gap: 12px;
}
.theme-switch {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 40px;
    padding: 0 12px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    cursor: pointer;
}
.theme-switch:hover {
    background: rgba(125, 211, 252, 0.08);
}
.theme-switch .icon {
    width: 18px;
    text-align: center;
    color: var(--amber);
}
.theme-switch .label {
    margin: 0;
    color: var(--muted);
    font-size: 0.82rem;
    letter-spacing: 0.04em;
    text-transform: none;
}
.theme-switch .label::before {
    display: none;
}
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(52, 211, 153, 0.08);
    border: 1px solid rgba(52, 211, 153, 0.16);
    color: #8ff3cf;
    font-size: 0.8rem;
}
.status-pill::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
    box-shadow: 0 0 0 0 rgba(143, 243, 207, 0.46);
    animation: pulse 2s infinite;
}
@keyframes pulse { 100% { box-shadow: 0 0 0 12px rgba(143, 243, 207, 0); } }
.page-hero { padding: 68px 0 24px; }
.hero-grid, .split, .contact-grid, .footer-grid, .pricing, .grid-2, .grid-3, .grid-4 { display: grid; gap: 18px; }
.hero-grid { grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr); align-items: stretch; }
.hero-grid.visual { grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr); }
.split { grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr); }
.contact-grid { grid-template-columns: 1.05fr 0.95fr; }
.pricing { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.media-grid { display: grid; gap: 18px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.media-card,
.hero-art,
.panel-image {
    overflow: hidden;
}
.hero-art {
    min-height: 420px;
}
.hero-art img,
.media-card img,
.panel-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}
.media-card img {
    aspect-ratio: 4 / 3;
}
.panel-image img {
    aspect-ratio: 16 / 10;
}
.media-card h3,
.panel-image h3 {
    margin: 16px 0 8px;
}
.media-caption {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 10px;
    color: var(--subtle);
    font-size: 0.84rem;
}
.poster-card {
    padding: 0;
}
.poster-card .copy {
    padding: 22px;
}
.poster-card img {
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    border-top-left-radius: 24px;
    border-top-right-radius: 24px;
}
.eyebrow, .tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid rgba(125, 211, 252, 0.18);
    background: rgba(125, 211, 252, 0.08);
    font-size: 0.82rem;
}
.eyebrow strong { color: var(--amber); }
.hero-copy h1 {
    margin: 18px 0 16px;
    font-size: clamp(2.3rem, 4.6vw, 4.1rem);
    line-height: 1.08;
    letter-spacing: -0.045em;
}
.hero-copy p, .card p, .panel p, .section-head p { color: var(--muted); margin: 0; }
.cta-row, .hero-notes, .feature-meta { display: flex; flex-wrap: wrap; gap: 12px; }
.cta-row { margin-top: 26px; }
.btn {
    min-height: 48px;
    padding: 0 18px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.btn-primary { background: linear-gradient(135deg, rgba(125, 211, 252, 0.95), rgba(249, 115, 22, 0.9)); color: #07111a; font-weight: 700; }
.btn-secondary { border: 1px solid var(--line); background: rgba(255, 255, 255, 0.03); }
.hero-notes { margin-top: 22px; color: var(--subtle); font-size: 0.86rem; }
.panel, .card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 24px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(20px);
}
.panel, .card { padding: 22px; }
.section { padding-top: 60px; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 16px; margin-bottom: 20px; }
.section-head h2, .panel-heading h2 { margin: 0; font-size: 1.08rem; }
.label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
    color: var(--cyan);
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}
.label::before {
    content: "";
    width: 28px;
    height: 1px;
    background: linear-gradient(90deg, rgba(125, 211, 252, 0.7), rgba(249, 115, 22, 0.8));
}
.metric-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.metric, .mini-item, .timeline-item, .news-item, .note {
    border-radius: 18px;
    border: 1px solid rgba(125, 170, 206, 0.12);
    background: rgba(255, 255, 255, 0.03);
}
.metric, .mini-item, .timeline-item, .news-item, .note { padding: 16px; }
.metric span { display: block; font-size: 0.76rem; color: var(--subtle); letter-spacing: 0.08em; text-transform: uppercase; }
.metric strong { display: block; margin-top: 8px; font-size: 1.7rem; letter-spacing: -0.04em; }
.mini-list, .timeline, .news-list, .form-grid, .footer-links { display: grid; gap: 12px; }
.mini-item { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); }
.mini-item strong { color: var(--text); }
.timeline-item, .news-item { display: grid; gap: 14px; }
.timeline-item { grid-template-columns: 92px minmax(0, 1fr); }
.news-item { grid-template-columns: 88px minmax(0, 1fr); }
.timeline-item time, .news-item time { color: var(--amber); font-weight: 700; }
.timeline-item strong, .news-item strong { display: block; margin-bottom: 4px; }
.list { margin: 0; padding-left: 18px; color: var(--muted); }
.list li + li { margin-top: 10px; }
.tag { padding: 7px 11px; color: var(--text); font-size: 0.78rem; }
.field label { display: block; margin-bottom: 8px; color: var(--subtle); font-size: 0.88rem; }
.field input, .field textarea, .field select {
    width: 100%;
    padding: 14px 16px;
    background: var(--input-bg);
    border: 1px solid rgba(125, 170, 206, 0.18);
    border-radius: 16px;
    color: var(--text);
    outline: none;
}
.field textarea { min-height: 132px; resize: vertical; }
.site-footer { padding: 64px 0 34px; }
.footer-panel { padding: 24px; }
.footer-grid { grid-template-columns: 1.25fr repeat(4, minmax(0, 1fr)); }
.footer-col h4 { margin: 0 0 12px; font-size: 0.92rem; }
.footer-col a, .footer-col p { margin: 0; color: var(--muted); font-size: 0.9rem; }
.footer-col a:hover { color: var(--text); }
.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid rgba(125, 170, 206, 0.12);
    color: var(--subtle);
    font-size: 0.84rem;
}
.crumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin: 28px 0 0;
    color: var(--subtle);
    font-size: 0.84rem;
}
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--text); }
.crumbs span.sep { color: rgba(125, 170, 206, 0.32); }
.crumbs .here { color: var(--text); }
.subnav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 18px 0 0;
}
.subnav a {
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.03);
    color: var(--muted);
    font-size: 0.84rem;
}
.subnav a:hover, .subnav a.active { color: var(--text); background: rgba(125, 211, 252, 0.12); }
.portrait-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}
.portrait-card {
    display: grid;
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 16px;
    align-items: start;
}
.portrait {
    width: 88px;
    height: 88px;
    border-radius: 24px;
    background:
        radial-gradient(circle at 30% 25%, rgba(255, 255, 255, 0.32), transparent 55%),
        linear-gradient(135deg, rgba(125, 211, 252, 0.55), rgba(249, 115, 22, 0.55));
    border: 1px solid rgba(125, 170, 206, 0.24);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #07111a;
    font-weight: 700;
    font-size: 1.6rem;
    letter-spacing: -0.04em;
}
.portrait.b { background: linear-gradient(135deg, #fda4af, #f97316); }
.portrait.c { background: linear-gradient(135deg, #c4b5fd, #38bdf8); }
.portrait.d { background: linear-gradient(135deg, #fde68a, #f97316); }
.portrait.e { background: linear-gradient(135deg, #6ee7b7, #38bdf8); }
.portrait.f { background: linear-gradient(135deg, #f0abfc, #818cf8); }
.portrait.g { background: linear-gradient(135deg, #fdba74, #f87171); }
.portrait.h { background: linear-gradient(135deg, #67e8f9, #a78bfa); }
.portrait.i { background: linear-gradient(135deg, #fef08a, #34d399); }
.portrait-card h3 { margin: 0 0 6px; font-size: 1rem; }
.portrait-card .role {
    display: block;
    margin-bottom: 8px;
    color: var(--cyan);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}
.logo-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}
.logo-tile {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 22px 14px;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.03);
    color: var(--muted);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-align: center;
    min-height: 84px;
}
.logo-tile.mono { font-family: "Cascadia Mono", Consolas, monospace; }
.faq-list { display: grid; gap: 12px; }
.faq-list details {
    border-radius: 18px;
    border: 1px solid rgba(125, 170, 206, 0.16);
    background: rgba(255, 255, 255, 0.03);
    padding: 0 18px;
    overflow: hidden;
}
.faq-list details[open] {
    background: rgba(125, 211, 252, 0.06);
    border-color: rgba(125, 211, 252, 0.28);
}
.faq-list summary {
    list-style: none;
    cursor: pointer;
    padding: 16px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    font-weight: 600;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
    content: "+";
    color: var(--cyan);
    font-size: 1.4rem;
    line-height: 1;
    transition: transform 0.2s ease;
}
.faq-list details[open] summary::after { content: "−"; }
.faq-list .body {
    padding: 0 0 18px;
    color: var(--muted);
}
.faq-list .body p { margin: 0 0 10px; }
.faq-list .body p:last-child { margin: 0; }
.kv-grid {
    display: grid;
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 10px 18px;
    color: var(--muted);
    font-size: 0.92rem;
}
.kv-grid dt { color: var(--subtle); letter-spacing: 0.06em; text-transform: uppercase; font-size: 0.72rem; padding-top: 4px; }
.kv-grid dd { margin: 0; color: var(--text); }
.legal-shell {
    max-width: 760px;
    margin: 0 auto;
}
.legal-shell h2 { margin: 32px 0 12px; font-size: 1.1rem; }
.legal-shell h3 { margin: 22px 0 8px; font-size: 1rem; color: var(--cyan); }
.legal-shell p, .legal-shell li { color: var(--muted); }
.legal-shell ol, .legal-shell ul { padding-left: 22px; }
.error-shell {
    text-align: center;
    padding: 80px 0 40px;
}
.error-shell .glyph {
    font-family: "Cascadia Mono", Consolas, monospace;
    font-size: clamp(5rem, 14vw, 9rem);
    letter-spacing: -0.04em;
    background: linear-gradient(135deg, #7dd3fc, #f97316);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
}
.error-shell h1 { margin: 18px 0 10px; font-size: clamp(1.8rem, 3vw, 2.4rem); }
.error-shell .cta-row { justify-content: center; margin-top: 24px; }
.social-row {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}
.social-row a {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.03);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    font-family: "Cascadia Mono", Consolas, monospace;
    font-size: 0.78rem;
}
.social-row a:hover { color: var(--text); background: rgba(125, 211, 252, 0.12); }
.news-card {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 16px;
    align-items: start;
}
.news-card .stamp {
    border-radius: 14px;
    border: 1px solid rgba(125, 170, 206, 0.18);
    padding: 10px;
    text-align: center;
    background: rgba(255, 255, 255, 0.03);
}
.news-card .stamp strong { display: block; font-size: 1.4rem; letter-spacing: -0.02em; color: var(--amber); }
.news-card .stamp span { display: block; font-size: 0.72rem; color: var(--subtle); letter-spacing: 0.12em; text-transform: uppercase; }
.news-card h3 { margin: 0 0 6px; font-size: 1.04rem; }
.news-card .source {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    color: var(--cyan);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.banner-strip {
    margin-top: 22px;
    padding: 14px 18px;
    border-radius: 16px;
    border: 1px dashed rgba(125, 211, 252, 0.32);
    background: rgba(125, 211, 252, 0.06);
    color: var(--muted);
    font-size: 0.88rem;
}
.banner-strip strong { color: var(--text); }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.divider {
    height: 1px;
    margin: 22px 0;
    background: linear-gradient(90deg, transparent, rgba(125, 211, 252, 0.28), transparent);
}
@media (max-width: 980px) {
    .hero-grid, .hero-grid.visual, .split, .contact-grid, .footer-grid, .pricing { grid-template-columns: 1fr; }
    .media-grid { grid-template-columns: 1fr; }
    .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .portrait-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .logo-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 1060px) {
    .site-header-inner { gap: 12px; }
    .nav-links { gap: 4px; }
    .nav-links a { padding-inline: 9px; font-size: 0.82rem; }
    .status-pill { display: none; }
}
@media (max-width: 900px) {
    .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
    .nav-links {
        position: absolute;
        top: calc(100% + 12px);
        left: 16px;
        right: 16px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 14px;
        border-radius: 22px;
        border: 1px solid var(--line);
        background: var(--nav-pop);
    }
    .nav-links.open { display: flex; }
    .theme-switch .label { display: none; }
    .grid-2, .grid-3, .grid-4, .metric-grid, .timeline-item, .news-item { grid-template-columns: 1fr; }
    .portrait-grid, .logo-grid { grid-template-columns: 1fr; }
    .news-card { grid-template-columns: 1fr; }
    .kv-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; }
}