:root {
    --bg: #080b18;
    --panel: rgba(255,255,255,.08);
    --panel-strong: rgba(255,255,255,.13);
    --text: #f7f8ff;
    --muted: #b9c3df;
    --line: rgba(255,255,255,.16);
    --accent: #65f0d8;
    --accent-2: #7c6dff;
    --warm: #ffd978;
    --shadow: 0 24px 80px rgba(0,0,0,.35);
    --radius-lg: 32px;
    --radius-md: 22px;
    --radius-sm: 14px;
    --container: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 15% 10%, rgba(124,109,255,.28), transparent 34%),
        radial-gradient(circle at 86% 20%, rgba(101,240,216,.18), transparent 32%),
        linear-gradient(180deg, #070a18 0%, #101631 48%, #090b17 100%);
    line-height: 1.7;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input { font: inherit; }
.container { width: min(100% - 32px, var(--container)); margin: 0 auto; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.site-header { position: sticky; top: 0; z-index: 20; backdrop-filter: blur(18px); background: rgba(8,11,24,.76); border-bottom: 1px solid var(--line); }
.header-glow { position: absolute; inset: 0; pointer-events: none; background: linear-gradient(90deg, rgba(101,240,216,.16), transparent, rgba(124,109,255,.18)); opacity: .8; }
.header-inner { position: relative; min-height: 82px; display: flex; align-items: center; gap: 24px; justify-content: space-between; }
.brand-logo { display: inline-flex; align-items: center; gap: 12px; min-width: max-content; }
.brand-mark { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 18px; color: #061018; font-weight: 900; letter-spacing: -.08em; background: linear-gradient(135deg, var(--accent), var(--warm)); box-shadow: 0 16px 34px rgba(101,240,216,.24); }
.brand-text { display: grid; gap: 2px; }
.brand-text strong { font-size: 1.25rem; letter-spacing: .04em; }
.brand-text em { font-style: normal; color: var(--muted); font-size: .78rem; }
.primary-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.primary-nav a { padding: 10px 13px; border: 1px solid transparent; border-radius: 999px; color: var(--muted); transition: transform .2s ease, color .2s ease, background .2s ease, border-color .2s ease; }
.primary-nav a:hover, .primary-nav a.is-active { transform: translateY(-2px); color: var(--text); background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.18); }
.nav-toggle { display: none; border: 1px solid var(--line); background: rgba(255,255,255,.08); color: var(--text); padding: 9px 14px; border-radius: 999px; }
.search-wrap { position: relative; padding-bottom: 16px; }
.fake-search { display: grid; grid-template-columns: 1fr auto; gap: 10px; padding: 10px; background: rgba(255,255,255,.08); border: 1px solid var(--line); border-radius: 22px; box-shadow: 0 20px 60px rgba(0,0,0,.16); }
.fake-search input { min-width: 0; border: 0; outline: 0; color: var(--text); background: transparent; padding: 12px 14px; }
.fake-search input::placeholder { color: rgba(233,237,255,.56); }
.fake-search button, .btn { border: 0; cursor: pointer; color: #051018; font-weight: 800; padding: 12px 18px; border-radius: 16px; background: linear-gradient(135deg, var(--accent), var(--warm)); transition: transform .2s ease, box-shadow .2s ease; box-shadow: 0 14px 28px rgba(101,240,216,.18); }
.fake-search button:hover, .btn:hover { transform: translateY(-2px); box-shadow: 0 18px 38px rgba(101,240,216,.24); }
.btn.secondary { color: var(--text); background: rgba(255,255,255,.1); border: 1px solid var(--line); box-shadow: none; }
.search-hint { margin: 8px 4px 0; color: var(--muted); font-size: .88rem; }
.hero { position: relative; padding: 82px 0 54px; overflow: hidden; }
.hero:before { content: ""; position: absolute; width: 580px; height: 580px; right: -220px; top: -160px; border-radius: 50%; background: radial-gradient(circle, rgba(101,240,216,.25), transparent 65%); animation: floatGlow 7s ease-in-out infinite; }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0,1fr) 520px; gap: 44px; align-items: center; }
.eyebrow { display: inline-flex; gap: 8px; align-items: center; color: var(--accent); border: 1px solid rgba(101,240,216,.28); background: rgba(101,240,216,.08); border-radius: 999px; padding: 7px 12px; font-size: .92rem; font-weight: 800; }
.hero h1, .page-hero h1 { font-size: clamp(2.45rem, 6vw, 5.7rem); line-height: 1.02; margin: 20px 0; letter-spacing: -.08em; }
.hero h1 span, .gradient-text { background: linear-gradient(120deg, #fff, var(--accent), var(--warm)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-lead, .page-lead { color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.28rem); max-width: 760px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0; }
.hero-metrics { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; margin-top: 26px; }
.metric { padding: 16px; border-radius: 18px; background: var(--panel); border: 1px solid var(--line); }
.metric strong { display: block; font-size: 1.35rem; color: #fff; }
.metric span { color: var(--muted); font-size: .9rem; }
.hero-visual { position: relative; padding: 12px; border-radius: 36px; background: linear-gradient(135deg, rgba(255,255,255,.18), rgba(255,255,255,.04)); border: 1px solid var(--line); box-shadow: var(--shadow); transform: perspective(900px) rotateY(-4deg) rotateX(2deg); }
.hero-visual img { border-radius: 28px; aspect-ratio: 16 / 10; object-fit: cover; }
.visual-caption { margin: 10px 8px 0; color: var(--muted); font-size: .9rem; }
.play-orb { position: absolute; left: 50%; top: 50%; translate: -50% -50%; width: 90px; height: 90px; display: grid; place-items: center; border-radius: 50%; background: rgba(255,255,255,.78); color: #121a35; font-weight: 900; box-shadow: 0 18px 56px rgba(0,0,0,.28); animation: pulse 2.2s ease-in-out infinite; }
.section { padding: 72px 0; }
.section-title { display: grid; gap: 10px; margin-bottom: 26px; }
.section-title h2 { font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.08; margin: 0; letter-spacing: -.05em; }
.section-title p { max-width: 820px; margin: 0; color: var(--muted); }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.card-grid.four { grid-template-columns: repeat(4, minmax(0,1fr)); }
.glass-card, .feature-card, .review-card, .faq-item, .contact-card, .related-card { position: relative; padding: 24px; border: 1px solid var(--line); background: linear-gradient(180deg, rgba(255,255,255,.11), rgba(255,255,255,.055)); border-radius: var(--radius-md); box-shadow: 0 18px 50px rgba(0,0,0,.16); overflow: hidden; }
.glass-card:before, .feature-card:before { content: ""; position: absolute; inset: -1px; background: radial-gradient(circle at 20% 0%, rgba(101,240,216,.16), transparent 38%); pointer-events: none; }
.glass-card > *, .feature-card > * { position: relative; }
.kicker { color: var(--accent); font-weight: 900; letter-spacing: .08em; font-size: .82rem; }
.glass-card h3, .feature-card h3, .review-card h3, .contact-card h3, .related-card h3 { margin: 8px 0 10px; font-size: 1.22rem; }
.glass-card p, .feature-card p, .review-card p, .contact-card p, .related-card p { color: var(--muted); margin: 0; }
.story-strip { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.timeline { display: grid; gap: 14px; }
.timeline-item { display: grid; grid-template-columns: 48px 1fr; gap: 14px; align-items: start; }
.timeline-badge { width: 48px; height: 48px; border-radius: 16px; display: grid; place-items: center; color: #061018; font-weight: 900; background: linear-gradient(135deg, var(--accent), var(--warm)); }
.video-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px; }
.video-card { position: relative; border: 1px solid var(--line); background: rgba(255,255,255,.08); border-radius: var(--radius-md); overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,.2); transition: transform .25s ease, border-color .25s ease; }
.video-card:hover { transform: translateY(-6px); border-color: rgba(101,240,216,.5); }
.video-media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: rgba(255,255,255,.06); }
.video-media img, .video-media video { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.video-card:hover .video-media img { transform: scale(1.06); }
.video-media video { display: none; }
.play-button { position: absolute; left: 50%; top: 50%; translate: -50% -50%; width: 68px; height: 68px; border: 0; border-radius: 50%; background: rgba(255,255,255,.88); color: #11172b; display: grid; place-items: center; font-weight: 900; opacity: .86; transform: scale(.92); transition: transform .2s ease, opacity .2s ease; }
.video-card:hover .play-button { opacity: 1; transform: scale(1.04); }
.video-tag { position: absolute; left: 14px; top: 14px; padding: 6px 10px; border-radius: 999px; background: rgba(8,11,24,.72); color: var(--accent); font-weight: 800; font-size: .8rem; }
.video-body { padding: 18px; }
.video-body h3 { margin: 0 0 8px; font-size: 1.1rem; }
.video-body p { color: var(--muted); margin: 0 0 14px; font-size: .94rem; }
.video-stats { display: flex; flex-wrap: wrap; gap: 8px; color: #e8edff; font-size: .86rem; }
.video-stats span { padding: 5px 8px; border-radius: 999px; background: rgba(255,255,255,.08); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: stretch; }
.image-card { border: 1px solid var(--line); background: rgba(255,255,255,.08); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.image-card img { aspect-ratio: 16 / 10; object-fit: cover; }
.image-card figcaption { color: var(--muted); padding: 14px 18px 18px; margin: 0; }
.badge-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.badge { color: var(--text); padding: 8px 12px; border-radius: 999px; background: rgba(255,255,255,.08); border: 1px solid var(--line); }
.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.review-card .stars { color: var(--warm); letter-spacing: .08em; }
.faq-list { display: grid; gap: 12px; }
.faq-item { padding: 0; }
.faq-item summary { list-style: none; cursor: pointer; padding: 20px 24px; font-weight: 900; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p { margin: 0; padding: 0 24px 22px; color: var(--muted); }
.contact-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 18px; }
.contact-list { display: grid; gap: 12px; margin: 16px 0 0; }
.contact-list div { padding: 13px 14px; border-radius: 15px; background: rgba(255,255,255,.07); border: 1px solid var(--line); }
.map-placeholder { min-height: 310px; border-radius: var(--radius-md); border: 1px solid var(--line); background: linear-gradient(135deg, rgba(101,240,216,.16), rgba(124,109,255,.2)), repeating-linear-gradient(45deg, rgba(255,255,255,.05) 0 2px, transparent 2px 18px); display: grid; place-items: center; text-align: center; color: #fff; padding: 24px; }
.page-hero { padding: 72px 0 34px; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: .92rem; }
.breadcrumb a { color: var(--accent); }
.content-layout { display: grid; grid-template-columns: minmax(0,1fr) 330px; gap: 22px; align-items: start; }
.article-panel { padding: 30px; border-radius: var(--radius-lg); background: rgba(255,255,255,.08); border: 1px solid var(--line); }
.article-panel h2 { font-size: clamp(1.75rem, 3vw, 2.6rem); line-height: 1.12; margin: 0 0 14px; }
.article-panel h3 { margin-top: 28px; color: #fff; }
.article-panel p, .article-panel li { color: var(--muted); }
.article-panel ul { padding-left: 1.2em; }
.related-stack { display: grid; gap: 14px; position: sticky; top: 132px; }
.related-card { padding: 20px; }
.site-footer { border-top: 1px solid var(--line); background: rgba(4,6,14,.76); margin-top: 64px; padding: 54px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.35fr .7fr .7fr .9fr; gap: 18px; }
.footer-brand p, .footer-bottom p, .record { color: var(--muted); }
.footer-card, .footer-links { padding: 20px; border-radius: 22px; background: rgba(255,255,255,.07); border: 1px solid var(--line); }
.footer-card h2, .footer-links h2 { margin: 0 0 12px; font-size: 1rem; }
.footer-card img { width: 160px; height: 160px; border-radius: 16px; background: #fff; padding: 8px; }
.footer-links { display: grid; gap: 9px; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--accent); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; border-top: 1px solid var(--line); margin-top: 26px; padding-top: 20px; }
[data-animate] { opacity: 0; transform: translateY(18px); animation: rise .7s ease forwards; }
[data-animate]:nth-child(2) { animation-delay: .08s; }
[data-animate]:nth-child(3) { animation-delay: .16s; }
[data-animate]:nth-child(4) { animation-delay: .24s; }
@keyframes rise { to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.08); } }
@keyframes floatGlow { 0%,100% { transform: translate3d(0,0,0); } 50% { transform: translate3d(-20px,28px,0); } }
@media (max-width: 1020px) {
    .hero-grid, .split, .contact-grid, .content-layout, .story-strip { grid-template-columns: 1fr; }
    .hero-visual { transform: none; }
    .card-grid, .card-grid.four, .video-grid, .review-grid, .footer-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .related-stack { position: static; }
}
@media (max-width: 760px) {
    .header-inner { min-height: 72px; }
    .nav-toggle { display: inline-flex; }
    .primary-nav { display: none; width: 100%; flex-direction: column; padding: 10px 0 18px; }
    .primary-nav.is-open { display: flex; }
    .header-inner { flex-wrap: wrap; }
    .fake-search { grid-template-columns: 1fr; }
    .hero { padding-top: 46px; }
    .hero-metrics, .card-grid, .card-grid.four, .video-grid, .review-grid, .footer-grid { grid-template-columns: 1fr; }
    .section { padding: 52px 0; }
    .footer-bottom { display: grid; }
}