:root{
    --bg:#0B1220;
    --deep:#070B14;
    --panel:#141C2E;
    --panel-2:#1C2740;
    --title:#E8F0FF;
    --text:#C9D6EC;
    --muted:#8FA3C4;
    --soft:#6B7F9E;
    --brand:#7BA3E8;
    --bright:#A8C4F0;
    --space:#1A3A6E;
    --border:rgba(123,163,232,.18);
    --border-strong:rgba(123,163,232,.46);
    --shadow:0 12px 28px rgba(0,0,0,.35);
    --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}
body.modal-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
.site-header{position:relative;z-index:50}
.star-line{position:fixed;inset:0 0 auto 0;height:22px;background:var(--deep);border-bottom:1px solid var(--border);z-index:60;color:var(--title);font-size:12px}
.top-wrap,.track-wrap,.seat-wrap,.footer-wrap,.content-wrap{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.top-wrap{height:22px;display:flex;align-items:center;justify-content:space-between;position:relative}
.star-line-brand{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding-right:56px}
.star-search{position:absolute;right:0;top:0;height:44px;min-width:56px;border:0;background:transparent;color:var(--title);padding:0 8px;display:flex;align-items:flex-start;justify-content:flex-end;line-height:22px;z-index:2}
.star-search:hover,.star-search:focus-visible{color:var(--bright);outline:none;text-decoration:underline}
.track-bar{position:fixed;top:22px;left:0;right:0;height:60px;background:var(--bg);border-bottom:1px solid var(--border);z-index:55}
.track-wrap{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}
.track-logo{justify-self:start;min-height:44px;display:flex;align-items:center;color:var(--title);font-weight:700;font-size:16px}
.track-logo img,.footer-logo img,.drawer-brand img{height:28px;width:auto;max-width:180px;object-fit:contain;object-position:center}
.drawer-open{justify-self:center;min-width:72px;min-height:44px;border:1px solid var(--border-strong);border-radius:12px;background:var(--panel);color:var(--title);font-size:14px}
.drawer-open:hover,.drawer-open:focus-visible{background:var(--panel-2);outline:2px solid var(--bright);outline-offset:2px}
.app-link{justify-self:end;min-height:44px;padding:0 18px;border-radius:12px;background:linear-gradient(135deg,#A8C4F0 0%,#7BA3E8 55%,#1A3A6E 100%);color:var(--deep);display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;white-space:nowrap}
.app-link:hover,.app-link:focus-visible,.btn-primary:hover,.btn-primary:focus-visible{filter:brightness(1.08);outline:2px solid var(--title);outline-offset:2px}
.seat-bar{position:fixed;top:82px;left:0;right:0;height:40px;background:var(--space);border-bottom:1px solid var(--border);z-index:54}
.seat-wrap{height:40px;display:flex;align-items:center;justify-content:center;gap:8px}
.seat-wrap a{height:32px;min-width:76px;padding:0 16px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--title);font-size:13px}
.seat-wrap a:hover,.seat-wrap a:focus-visible{background:rgba(232,240,255,.08);outline:1px solid var(--bright)}
.seat-wrap a.active{background:var(--brand);color:var(--deep);font-weight:700}
.site-main{padding-top:146px;min-height:60vh}
.content-wrap{padding-bottom:48px}
.page-hero{padding:30px 0 24px}
.page-hero.compact{padding-top:18px}
.eyebrow{margin:0 0 8px;color:var(--brand);font-size:13px;letter-spacing:.08em;font-weight:700}
h1,h2,h3,p{margin-top:0}
h1{font-size:24px;line-height:1.3;color:var(--title);margin-bottom:14px}
h2{font-size:20px;line-height:1.35;color:var(--title);margin-bottom:12px}
h3{font-size:16px;line-height:1.4;color:var(--title);margin-bottom:8px}
p{margin-bottom:14px}
.lead{max-width:820px;color:var(--text);font-size:15px}
.meta-line{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.meta-line span,.chip{display:inline-flex;min-height:30px;align-items:center;padding:4px 10px;border:1px solid var(--border);border-radius:999px;color:var(--muted);font-size:13px;background:rgba(20,28,46,.72)}
.section{padding:22px 0}
.section + .section{border-top:1px solid var(--border)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:14px}
.section-head p{margin:0;color:var(--muted);max-width:640px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.card-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.card-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:18px;box-shadow:0 0 0 rgba(0,0,0,0);min-width:0}
.card:hover{border-color:var(--border-strong)}
.card p:last-child{margin-bottom:0}
.card .number{font-size:13px;color:var(--bright);font-weight:700;letter-spacing:.08em;margin-bottom:10px}
.media-slot{width:100%;height:180px;border:1px solid var(--border);border-radius:12px;background:linear-gradient(180deg,rgba(28,39,64,.7),rgba(7,11,20,.82));display:flex;align-items:center;justify-content:center;overflow:hidden;margin-bottom:14px}
.media-slot.banner{height:260px}
.media-slot.medium{height:200px}
.media-slot.app-visual{height:360px;max-width:430px;margin-inline:auto}
.media-slot.brand-visual{height:220px}
.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.cover-copy{text-align:center;max-width:850px;margin:18px auto 0}
.cover-copy h1{margin-bottom:10px}
.cover-copy .brand-title{display:block;color:var(--bright);font-size:13px;letter-spacing:.12em;margin-bottom:8px}
.btn-row{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:18px}
.btn{min-height:44px;padding:0 18px;border-radius:12px;font-size:14px;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,#A8C4F0 0%,#7BA3E8 55%,#1A3A6E 100%);color:var(--deep);font-weight:700;border:0}
.btn-secondary{background:var(--deep);border:1px solid var(--border-strong);color:var(--title)}
.btn-secondary:hover,.btn-secondary:focus-visible{background:var(--panel-2);outline:2px solid var(--bright);outline-offset:2px}
.editorial-block{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:20px;align-items:start}
.editorial-copy{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:20px}
.number-list{display:grid;gap:10px}
.number-list a,.number-list .row{display:grid;grid-template-columns:44px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid var(--border);align-items:start}
.number-list a:last-child,.number-list .row:last-child{border-bottom:0}
.number-list strong{color:var(--bright);font-size:13px}
.number-list span{color:var(--text)}
.shelf{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.shelf-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px;min-height:150px;display:flex;flex-direction:column}
.shelf-card .shelf-code{color:var(--bright);font-size:12px;letter-spacing:.08em;margin-bottom:8px}
.shelf-card p{color:var(--muted);margin-bottom:0}
.shelf-card a{margin-top:auto;color:var(--title);padding-top:12px;text-decoration:underline;text-decoration-color:var(--border-strong);text-underline-offset:4px}
.timeline{position:relative;margin-left:10px;padding-left:28px;border-left:1px solid var(--border-strong)}
.timeline-item{position:relative;padding:0 0 22px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{content:"";position:absolute;left:-34px;top:6px;width:11px;height:11px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 5px var(--bg)}
.timeline-item .status{display:inline-flex;align-items:center;min-height:28px;padding:2px 9px;border:1px solid var(--border);border-radius:999px;color:var(--bright);font-size:12px;margin-bottom:7px}
.note-box{background:var(--deep);border:1px solid var(--border-strong);border-radius:12px;padding:16px;color:var(--text)}
.note-box strong{color:var(--title)}
.article-prose{max-width:900px}
.article-prose h2{margin-top:28px}
.article-prose h3{margin-top:22px}
.article-prose ul,.article-prose ol{padding-left:1.4em;color:var(--text)}
.article-prose li{margin:8px 0}
.index-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.index-list a{display:grid;grid-template-columns:54px 1fr;gap:12px;align-items:start;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px}
.index-list b{color:var(--bright)}
.index-list span{color:var(--muted)}
.faq-list{display:grid;gap:12px}
.faq-item{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:18px}
.faq-item h2{font-size:16px;margin-bottom:8px}
.faq-item p{margin-bottom:0;color:var(--text)}
.contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.contact-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:18px}
.contact-card p:last-child{margin-bottom:0}
.definition-list{display:grid;gap:12px}
.definition-row{display:grid;grid-template-columns:160px 1fr;gap:16px;padding:16px;border:1px solid var(--border);border-radius:12px;background:var(--panel)}
.definition-row strong{color:var(--title)}
.site-footer{background:var(--deep);border-top:1px solid var(--border);color:var(--text);font-size:13px;padding:30px 0 24px}
.footer-brand{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding-bottom:18px;border-bottom:1px solid var(--border)}
.footer-logo{min-height:44px;display:flex;align-items:center}
.footer-brand strong{color:var(--title);font-size:16px}
.footer-brand span{color:var(--muted)}
.footer-columns{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;padding:20px 0}
.footer-columns h2{font-size:13px;color:var(--bright);margin-bottom:8px}
.footer-columns a{display:block;min-height:32px;padding:5px 0;color:var(--text)}
.footer-columns a:hover,.footer-columns a:focus-visible{color:var(--title);text-decoration:underline;outline:none}
.footer-note{max-width:900px;color:var(--muted)}
.footer-copy{margin:0;color:var(--soft)}
.screen-mask{position:fixed;inset:0;background:rgba(0,0,0,.62);z-index:80;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .22s ease,visibility .22s ease}
.screen-mask.is-open{opacity:1;visibility:visible;pointer-events:auto}
.star-drawer{position:fixed;top:0;right:0;width:400px;max-width:86vw;height:100dvh;background:var(--deep);z-index:90;transform:translateX(105%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s ease;overflow:auto;border-left:1px solid var(--border-strong);box-shadow:var(--shadow)}
.star-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}
.drawer-head{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;background:rgba(7,11,20,.98);border-bottom:1px solid var(--border)}
.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--title);font-weight:700}
.icon-close{min-width:56px;min-height:44px;border:1px solid var(--border-strong);border-radius:10px;background:var(--panel);color:var(--title)}
.icon-close:hover,.icon-close:focus-visible{background:var(--panel-2);outline:2px solid var(--bright);outline-offset:2px}
.drawer-groups{padding:4px 16px 24px}
.drawer-groups section{padding:16px 0;border-bottom:1px solid var(--border)}
.drawer-groups section:last-child{border-bottom:0}
.drawer-groups h2{font-size:13px;color:var(--brand);margin-bottom:8px}
.drawer-groups a{display:block;padding:10px 8px;border-radius:10px}
.drawer-groups a:hover,.drawer-groups a:focus-visible{background:var(--panel);outline:1px solid var(--border-strong)}
.drawer-groups strong,.drawer-groups span{display:block}
.drawer-groups strong{color:var(--title);font-size:14px}
.drawer-groups span{color:var(--muted);font-size:13px;margin-top:2px}
.search-layer{position:fixed;top:82px;left:0;right:0;z-index:91;visibility:hidden;pointer-events:none;opacity:0;transition:opacity .2s ease,visibility .2s ease}
.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1}
.search-card{width:min(760px,calc(100% - 32px));margin:12px auto 0;background:var(--deep);border:1px solid var(--border-strong);border-radius:14px;box-shadow:var(--shadow);padding:18px}
.search-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.search-head strong,.search-head span{display:block}
.search-head strong{color:var(--title);font-size:16px}
.search-head span{font-size:13px;color:var(--muted);margin-top:2px}
.search-field{display:block;color:var(--muted);font-size:13px;margin-bottom:6px}
#siteSearchInput{width:100%;min-height:44px;border-radius:10px;border:1px solid var(--border-strong);background:var(--panel);color:var(--title);padding:0 12px;outline:none}
#siteSearchInput:focus{border-color:var(--bright);box-shadow:0 0 0 2px rgba(168,196,240,.15)}
.search-presets{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:14px}
.search-presets a{min-height:60px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--panel);color:var(--title)}
.search-presets a:hover,.search-presets a:focus-visible{border-color:var(--border-strong);outline:1px solid var(--bright)}
.search-presets a span{display:block;color:var(--muted);font-size:12px;margin-top:2px}
.search-empty{color:var(--muted);margin:12px 0 0}
.mobile-bottom{display:none}
@media (max-width:900px){
    .card-grid.four,.shelf{grid-template-columns:repeat(2,minmax(0,1fr))}
    .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .editorial-block{grid-template-columns:1fr}
}
@media (max-width:760px){
    .top-wrap,.track-wrap,.footer-wrap,.content-wrap{width:calc(100% - 32px)}
    .seat-bar{display:none}
    .site-main{padding-top:104px;padding-bottom:64px}
    .track-wrap{grid-template-columns:minmax(0,1fr) auto auto;gap:8px}
    .track-logo{min-width:0}
    .track-logo img{max-width:130px}
    .drawer-open{min-width:60px;padding:0 10px}
    .app-link{padding:0 12px}
    .page-hero{padding-top:18px}
    .media-slot.banner{height:260px}
    .media-slot.app-visual{height:330px}
    .card-grid,.card-grid.two,.card-grid.four,.shelf,.contact-grid,.index-list{grid-template-columns:1fr}
    .footer-columns{grid-template-columns:repeat(2,minmax(0,1fr))}
    .definition-row{grid-template-columns:1fr;gap:6px}
    .search-layer{top:0;bottom:0;background:var(--deep);overflow:auto}
    .search-card{width:100%;min-height:100dvh;margin:0;border:0;border-radius:0;box-shadow:none;padding:20px 16px 88px}
    .search-presets{grid-template-columns:1fr}
    .mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:70;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--deep);border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(5,1fr)}
    .mobile-bottom a{min-height:48px;display:flex;align-items:center;justify-content:center;color:var(--text);font-size:13px}
    .mobile-bottom a.active{background:var(--brand);color:var(--deep);font-weight:700}
    .section-head{align-items:flex-start;flex-direction:column}
    .cover-copy{text-align:left}
    .btn-row{justify-content:flex-start}
}
@media (max-width:420px){
    .star-line-brand{max-width:240px}
    .track-logo span{font-size:15px}
    .app-link{font-size:13px;padding:0 10px}
    .shelf{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto}
    *,*::before,*::after{transition:none!important}
}