:root {
    --bg:#0B1220;
    --deep:#070B14;
    --panel:#141C2E;
    --panel2:#1C2740;
    --title:#E8F0FF;
    --text:#C9D6EC;
    --muted:#8FA3C4;
    --quiet:#6B7F9E;
    --brand:#7BA3E8;
    --bright:#A8C4F0;
    --space:#1A3A6E;
    --line:rgba(123,163,232,0.18);
    --line-strong:rgba(123,163,232,0.46);
    --shadow:0 12px 28px rgba(0,0,0,0.35);
    --content:1120px;
    --starline:22px;
    --trackbar:60px;
    --seatbar:40px;
}
*{box-sizing:border-box}
html{background:var(--deep);scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}
body.lock-scroll{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{color:inherit}
img{display:block;max-width:100%}
.skip-link{position:fixed;left:16px;top:-80px;z-index:9999;background:var(--bright);color:var(--deep);padding:10px 14px;border-radius:10px;font-weight:700}
.skip-link:focus{top:12px}
.top-shell,.content-wrap{width:min(calc(100% - 32px),var(--content));margin:0 auto}
.starline{position:fixed;top:0;left:0;right:0;height:var(--starline);z-index:800;background:var(--deep);border-bottom:1px solid var(--line);font-size:12px;color:var(--title)}
.starline-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}
.starline-brand{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.starline-search{position:relative;z-index:2;min-width:44px;height:44px;margin:-11px 0;border:0;background:transparent;color:var(--bright);cursor:pointer}
.trackbar{position:fixed;top:var(--starline);left:0;right:0;height:var(--trackbar);z-index:790;background:rgba(11,18,32,0.98);border-bottom:1px solid var(--line)}
.trackbar-inner{height:100%;display:grid;grid-template-columns:minmax(120px,1fr) auto minmax(120px,1fr);align-items:center;gap:16px}
.brand-link{justify-self:start;display:inline-flex;align-items:center;min-height:44px;max-width:220px}
.site-logo{height:28px;width:auto;object-fit:contain;object-position:center}
.logo-fallback{display:inline-flex;align-items:center;height:28px;color:var(--title);font-size:16px;font-weight:800;letter-spacing:.08em;white-space:nowrap}
.drawer-trigger,.app-link,.icon-button,.button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;font-size:14px;transition:border-color .2s ease,transform .2s ease,background .2s ease,color .2s ease;cursor:pointer}
.drawer-trigger{justify-self:center;padding:0 20px;border:1px solid var(--line-strong);background:var(--panel);color:var(--title);font-weight:700}
.app-link{justify-self:end;padding:0 16px;background:linear-gradient(135deg,#A8C4F0 0%,#7BA3E8 55%,#1A3A6E 100%);color:var(--deep);font-weight:800;white-space:nowrap}
.seatbar{position:fixed;top:calc(var(--starline) + var(--trackbar));left:0;right:0;height:var(--seatbar);z-index:780;background:var(--space);border-bottom:1px solid var(--line)}
.seatbar-inner{height:100%;display:flex;align-items:center;justify-content:center;gap:8px}
.seat-link{height:44px;margin:-2px 0;min-width:92px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;color:var(--title);font-size:13px}
.seat-link.is-current{background:var(--brand);color:var(--deep);font-weight:800}
.site-main{padding-top:calc(var(--starline) + var(--trackbar) + var(--seatbar));min-height:70vh}
.page-hero{padding:44px 0 26px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(28,39,64,.72),rgba(11,18,32,0))}
.eyebrow{display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border:1px solid var(--line);border-radius:999px;color:var(--bright);font-size:12px;letter-spacing:.08em;margin-bottom:12px}
h1,h2,h3,p{margin-top:0}
h1{margin-bottom:14px;color:var(--title);font-size:24px;line-height:1.3;letter-spacing:.02em}
h2{color:var(--title);font-size:20px;line-height:1.4}
h3{color:var(--title);font-size:16px;line-height:1.45}
p{margin-bottom:14px}
.hero-lead{max-width:850px;margin-bottom:0;color:var(--text);font-size:15px}
.section{padding:30px 0;border-bottom:1px solid var(--line)}
.section:last-child{border-bottom:0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px}
.section-head p{margin:0;max-width:620px;color:var(--muted)}
.section-title{margin:0}
.grid-2,.grid-3,.grid-4{display:grid;gap:16px}
.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))}
.card{min-width:0;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:0 8px 20px rgba(0,0,0,.14)}
.card p:last-child{margin-bottom:0}
.card-link{display:block;height:100%;outline:0}
.card-link:hover,.card-link:focus-visible{border-color:var(--line-strong)}
.card-num{display:inline-block;margin-bottom:10px;color:var(--bright);font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.12em}
.media-slot{width:100%;display:flex;align-items:center;justify-content:center;overflow:hidden;border-radius:12px;background:var(--deep);border:1px solid var(--line);position:relative}
.media-slot:empty::before{content:"";display:block;width:44px;height:44px;border:1px solid var(--line-strong);border-radius:50%;box-shadow:0 0 0 10px rgba(123,163,232,.03)}
.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.media-banner{height:260px}
.media-topic{height:180px;margin-bottom:14px}
.media-section{height:200px;margin-bottom:16px}
.media-app{height:360px}
.hero-cover{padding:26px 0 30px;border-bottom:1px solid var(--line)}
.cover-copy{padding-top:20px;max-width:880px}
.cover-copy .brand-en{display:block;color:var(--muted);font-size:12px;letter-spacing:.16em;margin-bottom:8px}
.cover-copy h1{font-size:24px}
.cover-copy .cover-sentence{font-size:20px;color:var(--bright);font-weight:800;margin-bottom:8px}
.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.button{padding:0 18px;border:1px solid transparent}
.button-primary{background:linear-gradient(135deg,#A8C4F0 0%,#7BA3E8 55%,#1A3A6E 100%);color:var(--deep);font-weight:800}
.button-secondary{background:var(--deep);border-color:var(--line-strong);color:var(--title);font-weight:700}
.button:hover,.drawer-trigger:hover,.app-link:hover{transform:translateY(-1px)}
.button:focus-visible,.drawer-trigger:focus-visible,.app-link:focus-visible,.starline-search:focus-visible,.icon-button:focus-visible,.seat-link:focus-visible,.brand-link:focus-visible,.footer-links a:focus-visible,.mobile-bottom a:focus-visible,.drawer-group a:focus-visible,.search-presets a:focus-visible{outline:2px solid var(--bright);outline-offset:2px}
.shelf{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.shelf-item{min-height:150px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:12px;padding:16px}
.shelf-item strong{font-size:16px;color:var(--title)}
.shelf-item span{color:var(--muted);font-size:13px}
.index-list{display:grid;gap:12px;counter-reset:index}
.index-item{display:grid;grid-template-columns:56px 1fr;gap:12px;align-items:start;padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}
.index-item .big-num{font-size:24px;font-weight:900;color:var(--bright);line-height:1}
.index-item h3{margin-bottom:6px}
.index-item p{margin:0;color:var(--muted)}
.timeline{position:relative;display:grid;gap:0;margin-left:4px}
.timeline::before{content:"";position:absolute;left:10px;top:10px;bottom:10px;width:1px;background:var(--line-strong)}
.timeline-item{position:relative;padding:0 0 22px 38px}
.timeline-item::before{content:"";position:absolute;left:4px;top:7px;width:13px;height:13px;border-radius:50%;background:var(--brand);border:3px solid var(--bg)}
.timeline-item:last-child{padding-bottom:0}
.timeline-item h3{margin-bottom:5px}
.status{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;background:rgba(123,163,232,.12);border:1px solid var(--line);color:var(--bright);font-size:12px;margin-bottom:8px}
.note-list{display:grid;gap:12px}
.note{padding:16px 16px 16px 18px;border-left:3px solid var(--brand);border-radius:0 12px 12px 0;background:var(--panel)}
.note h3{margin-bottom:6px}
.note p{margin:0;color:var(--muted)}
.article-copy{max-width:900px}
.article-copy p{color:var(--text)}
.article-copy h2{margin-top:26px;margin-bottom:10px}
.article-copy h3{margin-top:20px;margin-bottom:8px}
.article-copy ul{margin:0 0 16px;padding-left:20px}
.article-copy li{margin:6px 0}
.policy-list{display:grid;gap:14px}
.policy-item{padding:18px;background:var(--panel);border:1px solid var(--line);border-radius:12px}
.policy-item h2,.policy-item h3{margin-bottom:8px}
.policy-item p:last-child{margin-bottom:0}
.faq-list{display:grid;gap:12px}
.faq-item{padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}
.faq-item h2{font-size:16px;margin-bottom:8px}
.faq-item p{margin:0;color:var(--text)}
.brand-quote{margin-top:16px;padding:20px;border:1px solid var(--line-strong);border-radius:14px;background:linear-gradient(135deg,var(--panel2),var(--panel));color:var(--title);font-size:18px;font-weight:700}
.app-showcase{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:22px;align-items:start}
.app-icon-row{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.app-icon-row h2{margin:0}
.app-icon{width:48px;height:48px;border-radius:12px;background:var(--deep);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;overflow:hidden}
.app-icon img{width:48px;height:48px;object-fit:contain}
.app-check-grid{margin-top:22px}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.check-item{padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}
.check-item strong{display:block;color:var(--title);margin-bottom:5px}
.check-item span{color:var(--muted)}
.contact-path{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.contact-path article{padding:16px;border:1px solid var(--line);background:var(--panel);border-radius:12px}
.contact-path strong{display:block;color:var(--title);margin-bottom:6px}
.contact-path span{color:var(--muted);font-size:13px}
.site-footer{background:var(--deep);border-top:1px solid var(--line);color:var(--text);font-size:13px;padding:28px 0 76px}
.footer-grid{display:grid;grid-template-columns:220px minmax(0,1fr);gap:22px}
.footer-brand{display:flex;flex-direction:column;gap:5px;align-items:flex-start}
.footer-brand-link{min-height:44px;display:flex;align-items:center}
.footer-brand strong{font-size:16px;color:var(--title)}
.footer-brand span{color:var(--muted);letter-spacing:.12em}
.footer-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.footer-links section{min-width:0}
.footer-links h2{font-size:13px;color:var(--bright);margin-bottom:8px}
.footer-links a{display:flex;align-items:center;min-height:44px;padding:4px 0;color:var(--text)}
.footer-links a:hover{color:var(--title)}
.footer-notice,.footer-copy{grid-column:1/-1;margin:0;color:var(--muted)}
.footer-copy{padding-top:8px;border-top:1px solid var(--line)}
.star-drawer{position:fixed;z-index:1000;top:0;right:0;width:min(400px,86vw);height:100dvh;background:var(--deep);border-left:1px solid var(--line-strong);box-shadow:var(--shadow);transform:translateX(104%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s ease;display:flex;flex-direction:column}
.drawer-open .star-drawer{transform:translateX(0);visibility:visible;pointer-events:auto}
.drawer-head{height:72px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line)}
.drawer-brand{display:flex;align-items:center;gap:10px;min-width:0}
.drawer-brand span{display:flex;flex-direction:column;line-height:1.2}
.drawer-brand strong{color:var(--title)}
.drawer-brand small{color:var(--muted);font-size:10px;letter-spacing:.08em}
.icon-button{min-width:44px;padding:0 12px;border:1px solid var(--line-strong);background:var(--panel);color:var(--title)}
.drawer-scroll{padding:10px 16px 24px;overflow-y:auto;overscroll-behavior:contain}
.drawer-group{padding:12px 0;border-bottom:1px solid var(--line)}
.drawer-group:last-child{border-bottom:0}
.drawer-group h2{font-size:12px;color:var(--bright);letter-spacing:.12em;margin:0 0 8px}
.drawer-group a{display:block;padding:10px;border-radius:10px}
.drawer-group a:hover{background:var(--panel)}
.drawer-group strong{display:block;color:var(--title);font-size:14px;margin-bottom:2px}
.drawer-group span{display:block;color:var(--muted);font-size:12px;line-height:1.55}
.search-layer{position:fixed;z-index:950;top:calc(var(--starline) + var(--trackbar));left:0;right:0;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-10px);transition:opacity .2s ease,transform .2s ease,visibility .2s ease}
.search-open .search-layer{visibility:visible;pointer-events:auto;opacity:1;transform:translateY(0)}
.search-card{width:min(calc(100% - 32px),var(--content));margin:0 auto;background:var(--deep);border:1px solid var(--line-strong);border-radius:0 0 14px 14px;box-shadow:var(--shadow);padding:18px}
.search-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}
.search-head>div{display:flex;flex-direction:column}
.search-head strong{color:var(--title);font-size:16px}
.search-head span{color:var(--muted);font-size:13px}
.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.search-presets a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--title)}
.search-card p{margin:0;color:var(--muted);font-size:13px}
.site-overlay{position:fixed;z-index:900;inset:0;background:rgba(0,0,0,.56);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,visibility .2s ease}
.drawer-open .site-overlay,.search-open .site-overlay{opacity:1;visibility:visible;pointer-events:auto}
.mobile-bottom{display:none}
.muted{color:var(--muted)}
.small{font-size:13px;color:var(--muted)}
.divider{height:1px;background:var(--line);margin:18px 0}

@media (max-width: 860px){
    :root{--seatbar:0px}
    .seatbar{display:none}
    .site-main{padding-top:calc(var(--starline) + var(--trackbar))}
    .grid-3,.grid-4,.shelf,.contact-path{grid-template-columns:repeat(2,minmax(0,1fr))}
    .app-showcase{grid-template-columns:1fr}
    .media-app{max-width:420px;margin:0 auto}
    .footer-grid{grid-template-columns:1fr}
    .footer-links{grid-template-columns:repeat(2,minmax(0,1fr))}
    .footer-notice,.footer-copy{grid-column:1}
}
@media (max-width: 640px){
    .top-shell,.content-wrap{width:calc(100% - 32px)}
    .starline-brand{max-width:calc(100vw - 90px)}
    .trackbar-inner{grid-template-columns:minmax(0,1fr) auto auto;gap:8px}
    .brand-link{min-width:0;max-width:150px}
    .track-logo{max-width:145px}
    .logo-fallback{font-size:15px;letter-spacing:.03em}
    .drawer-trigger{padding:0 14px}
    .app-link{padding:0 12px}
    .page-hero{padding:34px 0 22px}
    .hero-cover{padding-top:16px}
    .grid-2,.grid-3,.grid-4,.shelf,.check-grid,.contact-path{grid-template-columns:1fr}
    .section{padding:24px 0}
    .section-head{align-items:flex-start;flex-direction:column}
    .media-banner{height:260px}
    .media-topic{height:180px}
    .media-section{height:200px}
    .index-item{grid-template-columns:48px 1fr}
    .search-layer{inset:0;top:0;background:var(--deep);transform:none}
    .search-card{width:100%;height:100dvh;border:0;border-radius:0;margin:0;padding:calc(18px + env(safe-area-inset-top)) 16px calc(80px + env(safe-area-inset-bottom));overflow-y:auto}
    .search-presets{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
    .search-presets a{justify-content:center}
    .site-footer{padding-bottom:calc(72px + env(safe-area-inset-bottom))}
    .mobile-bottom{position:fixed;z-index:700;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,minmax(0,1fr));background:rgba(7,11,20,.98);border-top:1px solid var(--line)}
    .mobile-bottom a{min-width:0;height:48px;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--text)}
    .mobile-bottom a.is-current{background:var(--brand);color:var(--deep);font-weight:800}
    .star-drawer{width:86vw}
    .drawer-open .mobile-bottom,.search-open .mobile-bottom{z-index:650}
}
@media (prefers-reduced-motion: reduce){
    *,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}