:root{color-scheme:dark;--bg:#101115;--panel:#15161A;--panel2:#1B1C21;--panel3:#202127;--gold:#F8C84A;--text:#EDEFF5;--muted:#B8BEC9;--soft:#8E96A6;--footer:#08090C;--line:rgba(248,200,74,.16);--shadow:0 14px 36px rgba(0,0,0,.35)}
*{box-sizing:border-box;max-width:100%}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}
a{color:inherit}
img{max-width:100%}
button,input{font:inherit}
.shell{width:min(1200px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:9999;width:100%;background:#101115;box-shadow:0 8px 24px rgba(0,0,0,.28);backdrop-filter:blur(10px)}
.header-inner{max-width:1200px;min-height:72px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;white-space:nowrap}
.site-logo,.drawer-logo,.footer-logo{display:flex;align-items:center;flex:0 0 auto;text-decoration:none}
.site-logo img,.drawer-logo img,.footer-logo img{display:block;height:40px;width:auto;max-width:160px;object-fit:contain}
.logo-placeholder{display:block;width:150px;height:40px;border-radius:8px;background:linear-gradient(135deg,#1B1C21,#202127);border:1px solid var(--line)}
.nav-core{display:flex;align-items:center;gap:6px;min-width:0}
.nav-core a{color:#F8C84A;padding:8px 12px;border-radius:999px;font-weight:700;text-decoration:none;background:rgba(248,200,74,.06)}
.nav-core a.is-current,.nav-core a:hover{color:#F8C84A;background:linear-gradient(180deg,rgba(248,200,74,.14),rgba(248,200,74,.02));box-shadow:inset 0 -2px 0 #F8C84A}
.main-btn{display:inline-flex;align-items:center;justify-content:center;height:42px;min-width:96px;padding:0 20px;background:linear-gradient(180deg,#FFE45A 0%,#F8B832 45%,#F3941F 100%);color:#101115;border-radius:999px;text-decoration:none;font-weight:700;box-shadow:0 10px 24px rgba(243,148,31,.28);flex:0 0 auto}
.menu-button{display:none;background:transparent;border:0;width:42px;height:42px;padding:8px;align-items:center;justify-content:center;flex-direction:column;gap:5px;color:var(--gold)}
.menu-button span{width:22px;height:2px;background:currentColor;border-radius:2px;display:block}
.channel-strip{background:#15161A;border-top:1px solid rgba(255,255,255,.03);border-bottom:1px solid rgba(255,255,255,.04)}
.channel-inner{width:min(1200px,100%);padding:0 20px;margin:0 auto;display:flex;gap:4px;overflow-x:auto;scrollbar-width:thin;white-space:nowrap}
.channel-inner a{padding:12px 10px;color:#B8BEC9;text-decoration:none;font-size:14px}
.channel-inner a:hover,.channel-inner a.is-current{color:#F8C84A}
.site-main{min-height:60vh;padding-bottom:28px}
.section{padding:58px 0}
.section.compact{padding:34px 0}
.eyebrow{display:inline-flex;color:var(--gold);font-weight:700;letter-spacing:.08em;font-size:14px;margin-bottom:12px}
h1,h2,h3{margin:0 0 14px;color:var(--gold);line-height:1.25}
h1{font-size:clamp(36px,5vw,48px);letter-spacing:-.02em}
h2{font-size:clamp(24px,3.2vw,32px)}
h3{font-size:20px}
p,li{font-size:17px;line-height:1.82;color:var(--text)}
p{margin:0 0 16px}
.lead{font-size:18px;color:#D8DEEA;max-width:840px}
.muted{color:var(--muted)}
.reading{width:min(860px,100%)}
.centered{margin-left:auto;margin-right:auto}
.hero-panel{padding:30px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(180deg,#17181d,#121318);box-shadow:var(--shadow)}
.grid-2,.grid-3,.grid-4,.topic-wall,.service-grid,.link-grid{display:grid;gap:18px}
.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))}
.topic-wall{grid-template-columns:repeat(4,minmax(0,1fr))}
.service-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.link-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.panel,.entry,.topic-item,.service-item,.note-box,.step,.quote-note{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow)}
.panel.alt,.note-box.alt{background:var(--panel2)}
.panel p:last-child,.entry p:last-child,.topic-item p:last-child,.service-item p:last-child,.note-box p:last-child{margin-bottom:0}
.entry a,.topic-item a,.text-link,.related-links a,.service-item a{color:var(--gold);font-weight:700;text-decoration:none}
.entry a:hover,.topic-item a:hover,.text-link:hover,.related-links a:hover,.service-item a:hover{text-decoration:underline}
.short-brief{background:#1B1C21;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:24px 0}
.short-brief p{margin:0;color:#D8DEEA}
.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:16px;background:#15161A;aspect-ratio:16/9;border:1px solid rgba(255,255,255,.04)}
.media > img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}
.media-placeholder{position:absolute;inset:0;background:linear-gradient(135deg,#17181D,#202127)}
.media.small{min-height:156px;max-height:184px}.media.large{min-height:220px;max-height:260px}
.split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:28px;align-items:center}
.split.reverse{grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr)}
.split.reverse .visual{order:2}.split.reverse .copy{order:1}
.breadcrumbs{font-size:14px;color:var(--soft);margin-bottom:18px}.breadcrumbs a{color:var(--muted);text-decoration:none}.breadcrumbs span{margin:0 8px;color:#555b67}
.side-reading{display:grid;grid-template-columns:220px minmax(0,1fr);gap:28px;align-items:start}
.side-index{position:sticky;top:98px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px}.side-index strong{display:block;color:var(--gold);margin-bottom:10px}.side-index a{display:block;padding:8px 0;color:var(--muted);text-decoration:none;border-bottom:1px solid rgba(255,255,255,.04)}
.step-list{display:grid;gap:14px;counter-reset:steps}.step{position:relative;padding-left:70px;min-height:86px}.step:before{counter-increment:steps;content:counter(steps);position:absolute;left:20px;top:20px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#202127;color:var(--gold);font-weight:800;border:1px solid var(--line)}
.question-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.question-grid .panel{min-height:180px}
.related-links{display:flex;flex-wrap:wrap;gap:10px}.related-links a{padding:10px 14px;border-radius:999px;background:#1B1C21;border:1px solid var(--line)}
.app-band{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:24px;align-items:center;background:#15161A;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:var(--shadow)}
.notice-line{border-left:3px solid var(--gold);padding:14px 18px;background:#15161A;border-radius:0 14px 14px 0}
.home-carousel{position:relative;width:min(1200px,calc(100% - 40px));height:380px;margin:34px auto 0;background:#15161A;border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}
.carousel-slide{position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .35s ease;background:#15161A}.carousel-slide.is-active{opacity:1;pointer-events:auto}.carousel-slide img{width:100%;height:100%;object-fit:contain;display:block}.carousel-slide .slide-placeholder{position:absolute;inset:0;background:#15161A}
.carousel-prev,.carousel-next{position:absolute;z-index:4;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:rgba(16,17,21,.78);color:var(--gold);font-size:26px;cursor:pointer}.carousel-prev{left:16px}.carousel-next{right:16px}
.carousel-dots{position:absolute;z-index:4;left:50%;bottom:14px;transform:translateX(-50%);display:flex;gap:8px}.carousel-dot{width:10px;height:10px;border-radius:50%;border:0;background:#666d79;padding:0;cursor:pointer}.carousel-dot.is-active{background:var(--gold)}
.site-footer{background:#08090C;color:#D8DEEA;margin-top:50px}.footer-grid{display:grid;grid-template-columns:1.25fr repeat(3,1fr);gap:30px;padding:48px 0 34px}.footer-grid h2{font-size:17px}.footer-grid a{display:block;color:#D8DEEA;text-decoration:none;padding:6px 0;font-size:15px}.footer-grid p{color:#B8BEC9;font-size:15px}.footer-bottom{padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.07);color:#8E96A6;font-size:14px;line-height:1.8}
.side-dock{position:fixed;right:14px;top:50%;transform:translateY(-50%);z-index:9000;display:flex;flex-direction:column;gap:7px;width:96px}.side-dock a,.side-dock button{display:flex;align-items:center;justify-content:center;min-height:42px;padding:7px;border-radius:10px;border:1px solid var(--line);background:#15161A;color:var(--gold);text-decoration:none;font-size:13px;cursor:pointer}.side-dock .dock-primary{background:linear-gradient(180deg,#FFE45A 0%,#F8B832 45%,#F3941F 100%);color:#101115;border:0;font-weight:800}
.mobile-bottom{display:none}
.mobile-drawer,
.drawer-mask{display:none}
body.drawer-open{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid rgba(255,255,255,.07)}.drawer-close{width:42px;height:42px;border:0;border-radius:50%;background:#202127;color:var(--gold);font-size:28px}.drawer-group{padding:14px 18px;border-bottom:1px solid rgba(255,255,255,.05)}.drawer-group strong{display:block;color:var(--gold);font-size:13px;margin-bottom:7px}.drawer-group a{display:inline-flex;margin:4px 9px 4px 0;color:#D8DEEA;text-decoration:none;font-size:15px}
.faq-list{display:grid;gap:16px}.faq-item{background:#15161A;border:1px solid var(--line);border-radius:16px;padding:22px}.faq-item h2{font-size:21px}.faq-item p{margin-bottom:0}
.table-like{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden}.table-like > div{background:#15161A;padding:18px}.table-like strong{display:block;color:var(--gold);margin-bottom:7px}
@media(max-width:1240px){.side-dock{display:none}}
@media(max-width:980px){
  .header-inner{min-height:64px;padding:0 14px;gap:8px}.menu-button{display:flex}.nav-core{display:none}.site-logo{position:absolute;left:50%;transform:translateX(-50%)}.site-logo img{height:36px;max-width:135px}.logo-placeholder{width:128px;height:36px}.header-action{height:40px;min-width:82px;padding:0 14px;font-size:14px}.channel-strip{display:none}
  .mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#15161A;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;box-shadow:18px 0 40px rgba(0,0,0,.36);overflow-y:auto}.mobile-drawer.is-open{transform:translateX(0)}
  .drawer-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.52);z-index:11000;opacity:0;pointer-events:none;transition:opacity .18s ease}.drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}
  .topic-wall{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4,.service-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3,.question-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.split,.split.reverse,.app-band{grid-template-columns:1fr}.split.reverse .visual,.split.reverse .copy{order:initial}.side-reading{grid-template-columns:1fr}.side-index{position:static;display:flex;flex-wrap:wrap;gap:8px}.side-index strong{width:100%}.side-index a{border:1px solid var(--line);border-radius:999px;padding:7px 10px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.home-carousel{height:280px}
  .mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:9500;background:#101115;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{text-align:center;color:#D8DEEA;text-decoration:none;padding:13px 4px;font-size:13px}.site-footer{padding-bottom:58px}
}
@media(max-width:640px){
  .shell{width:min(100% - 28px,1200px)}.section{padding:40px 0}.section.compact{padding:28px 0}h1{font-size:clamp(26px,8vw,34px)}h2{font-size:24px}p,li{font-size:16px;line-height:1.78}.lead{font-size:17px}.hero-panel{padding:22px}.grid-2,.grid-3,.grid-4,.topic-wall,.service-grid,.link-grid,.question-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.entry,.topic-item,.service-item,.panel,.note-box{padding:16px}.topic-item p,.entry p{font-size:14px}.home-carousel{width:calc(100% - 28px);height:190px;margin-top:20px;border-radius:20px}.carousel-prev,.carousel-next{width:36px;height:36px;font-size:22px}.app-band{padding:18px}.footer-grid{grid-template-columns:1fr;gap:18px;padding-top:38px}.header-action{min-width:76px;padding:0 12px}.site-logo img{max-width:126px}.logo-placeholder{width:120px}.table-like{grid-template-columns:1fr}.step{padding-left:60px}.step:before{left:14px}}
@media(max-width:390px){.header-inner{padding:0 10px}.header-action{min-width:70px;padding:0 10px;font-size:13px}.site-logo img{max-width:112px}.logo-placeholder{width:108px;height:34px}.grid-2,.grid-3,.grid-4,.topic-wall,.service-grid,.link-grid,.question-grid{gap:10px}.entry,.topic-item,.service-item,.panel,.note-box{padding:14px}.topic-item h3,.entry h3{font-size:17px}}