:root{--bg:#101115;--panel:#15161A;--panel2:#1B1C21;--panel3:#202127;--gold:#F8C84A;--text:#EDEFF5;--muted:#B8BEC9;--soft:#8E96A6;--footer:#08090C;--footerText:#D8DEEA;--line:rgba(248,200,74,.16);--shadow:0 14px 36px rgba(0,0,0,.35)}
*{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:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}
body.drawer-open{overflow:hidden}
a{color:inherit;max-width:100%}
img,svg,video{max-width:100%}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.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}
.site-logo,.drawer-logo,.footer-logo{display:flex;align-items:center;text-decoration:none;flex:0 0 auto}
.site-logo img{display:block;height:40px;width:auto;max-width:160px;object-fit:contain}
.logo-fallback{display:inline-flex;align-items:center;color:var(--gold);font-weight:900;letter-spacing:.08em;white-space:nowrap}
.nav-core{display:flex;align-items:center;justify-content:center;gap:8px;min-width:0;flex:1}
.nav-core a{color:#F8C84A;padding:8px 12px;border-radius:999px;font-weight:700;text-decoration:none;background:rgba(248,200,74,.06);white-space:nowrap}
.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);white-space:nowrap}
.menu-toggle{display:none;background:transparent;border:1px solid var(--line);color:var(--gold);border-radius:10px;width:42px;height:42px;font-size:22px}
.channel-bar{background:#15161A;border-top:1px solid rgba(255,255,255,.03);border-bottom:1px solid rgba(255,255,255,.05)}
.channel-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:thin}
.channel-inner a{display:block;color:#B8BEC9;padding:11px 10px;text-decoration:none;white-space:nowrap;font-size:14px}
.channel-inner a:hover,.channel-inner a.is-current{color:#F8C84A}
.site-main{min-height:60vh;padding-right:64px}
.container{width:min(1200px,calc(100% - 40px));margin:0 auto}
.reading{width:min(840px,100%);margin:0 auto}
.section{padding:56px 0}
.section.compact{padding:36px 0}
.section-title{margin:0 0 12px;color:var(--gold);font-size:clamp(26px,4vw,40px);line-height:1.25}
.section-lead{margin:0;color:var(--muted);font-size:17px}
.hero-copy{padding:52px 0 30px}
.hero-copy h1{font-size:clamp(30px,5vw,48px);line-height:1.2;color:var(--gold);margin:0 0 18px}
.hero-copy p{max-width:820px;margin:0;color:var(--muted);font-size:18px}
.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:16px;background:#15161A;aspect-ratio:16/9}
.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}
.media-placeholder{display:flex;align-items:center;justify-content:center;min-height:180px;color:var(--soft);border:1px solid var(--line);background:linear-gradient(145deg,#15161A,#1B1C21)}
.media-placeholder span{font-weight:700;letter-spacing:.06em}
.feature-media{min-height:220px;max-height:260px}
.feature-media>img{object-fit:contain}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:26px}
.panel h2,.panel h3{color:var(--gold);margin-top:0;line-height:1.3}
.panel p:last-child{margin-bottom:0}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.entry-tile,.topic-tile,.link-tile{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px;text-decoration:none;transition:.18s ease}
.entry-tile:hover,.topic-tile:hover,.link-tile:hover{transform:translateY(-2px);border-color:rgba(248,200,74,.36)}
.entry-tile h2,.topic-tile h3,.link-tile h3{margin:0 0 8px;color:var(--gold);font-size:20px}
.entry-tile p,.topic-tile p,.link-tile p{margin:0;color:var(--muted)}
.text-link{display:inline-flex;margin-top:10px;color:var(--gold);font-weight:700;text-decoration:none}
.notice-strip{background:var(--panel2);border-left:4px solid var(--gold);padding:20px 24px;border-radius:0 14px 14px 0;color:var(--text)}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center}
.split.reverse{grid-template-columns:.95fr 1.05fr}
.split.reverse .split-media{order:2}
.split h2{color:var(--gold);font-size:30px;line-height:1.25;margin:0 0 14px}
.split p{color:var(--muted)}
.article h1{font-size:clamp(28px,5vw,44px);line-height:1.22;color:var(--gold);margin:0 0 16px}
.article h2{color:var(--gold);font-size:26px;line-height:1.3;margin:36px 0 12px}
.article h3{color:#FFE28A;font-size:20px;margin:26px 0 8px}
.article p{font-size:17px;color:var(--text);margin:0 0 18px}
.article ul,.article ol{padding-left:1.3em;color:var(--text)}
.article li{margin:8px 0}
.article a{color:var(--gold)}
.eyebrow{display:inline-flex;margin-bottom:14px;color:var(--gold);border:1px solid var(--line);border-radius:999px;padding:4px 10px;font-size:14px}
.article-intro{color:var(--muted)!important;font-size:18px!important}
.top-media{margin:24px 0 34px}
.related-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:28px}
.related-row a{background:var(--panel2);border:1px solid var(--line);border-radius:14px;padding:16px;text-decoration:none;color:var(--gold)}
.steps{counter-reset:step;display:grid;gap:14px;margin:24px 0}
.steps li{list-style:none;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px 18px 18px 58px;position:relative}
.steps li:before{counter-increment:step;content:counter(step);position:absolute;left:16px;top:16px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--gold);color:#101115;font-weight:900}
.question-lead{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:22px 0 30px}
.question-lead div{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px;color:var(--muted)}
.mini-index{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}
.mini-index a{border:1px solid var(--line);border-radius:999px;padding:6px 12px;text-decoration:none;color:var(--gold)}
.quote-note{padding:20px 22px;background:var(--panel3);border-radius:16px;color:var(--muted);border:1px solid rgba(255,255,255,.04)}
.app-band{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:26px}
.app-band h2{color:var(--gold);margin:0 0 10px}
.hero-carousel-wrap{padding:24px 0 12px}
.hero-carousel{position:relative;width:100%;height:380px;border-radius:22px;overflow:hidden;background:#15161A;border:1px solid rgba(255,255,255,.05)}
.hero-slide{position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .35s ease;background:#15161A}
.hero-slide.is-active{opacity:1;pointer-events:auto}
.hero-slide .media{height:100%;aspect-ratio:auto;border-radius:0}
.hero-slide .media-placeholder{height:100%;border:0;border-radius:0}
.hero-arrow{position:absolute;z-index:5;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:rgba(16,17,21,.72);color:var(--gold);font-size:28px;line-height:1}
.hero-prev{left:14px}.hero-next{right:14px}
.hero-dots{position:absolute;z-index:5;left:50%;bottom:14px;transform:translateX(-50%);display:flex;gap:8px}
.hero-dot{width:10px;height:10px;border:0;border-radius:50%;background:#777;padding:0}
.hero-dot.is-active{background:var(--gold)}
.topic-wall{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.float-tools{position:fixed;right:10px;top:50%;transform:translateY(-50%);z-index:9000;width:112px;background:#101115;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.float-tools a,.float-tools button{display:block;width:100%;border:0;border-bottom:1px solid rgba(255,255,255,.05);background:#101115;color:var(--gold);padding:11px 8px;text-align:center;text-decoration:none;font-size:13px}
.float-tools .float-register{background:linear-gradient(180deg,#FFE45A 0%,#F8B832 45%,#F3941F 100%);color:#101115;font-weight:800}
.site-footer{background:var(--footer);color:var(--footerText);margin-top:40px;padding:52px 64px 24px 0}
.footer-grid{width:min(1200px,calc(100% - 40px));margin:0 auto;display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:30px}
.footer-grid h2{font-size:16px;color:var(--gold);margin:0 0 12px}
.footer-grid a{display:block;color:var(--footerText);text-decoration:none;margin:7px 0}
.footer-grid a:hover{color:var(--gold)}
.footer-brand p{color:#9FA7B7;max-width:360px}.footer-logo img{height:38px;width:auto;object-fit:contain}
.footer-bottom{width:min(1200px,calc(100% - 40px));margin:30px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);color:#8E96A6;font-size:14px}
.mobile-bottom{display:none}
.mobile-drawer,.drawer-mask{display:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid rgba(255,255,255,.07)}
.drawer-logo img{height:34px;width:auto;max-width:150px;object-fit:contain}.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#101115;color:var(--gold);font-size:24px}
.drawer-scroll{height:calc(100vh - 74px);overflow-y:auto;padding:14px 18px 40px}.drawer-group{margin-bottom:18px}.drawer-group h2{font-size:14px;color:var(--soft);margin:0 0 8px;text-transform:none}.drawer-group a{display:block;color:var(--text);text-decoration:none;padding:8px 4px;border-bottom:1px solid rgba(255,255,255,.04)}
.faq-list{display:grid;gap:14px}.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px}.faq-item h2{font-size:20px;margin:0 0 8px}.faq-item p{margin:0;color:var(--muted)}
.service-index{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.service-index a{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px;text-decoration:none}.service-index strong{display:block;color:var(--gold);font-size:20px}.service-index span{display:block;color:var(--muted);margin-top:6px}
.age-callout{background:linear-gradient(145deg,#15161A,#202127);border:1px solid var(--line);border-radius:18px;padding:24px;color:var(--muted)}
@media(max-width:1100px){.site-main{padding-right:0}.float-tools{display:none}.site-footer{padding-right:0}.grid-4{grid-template-columns:repeat(2,1fr)}.topic-wall{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.hero-carousel{height:300px}}
@media(max-width:980px){
  .nav-core,.channel-bar{display:none}.menu-toggle{display:inline-grid;place-items:center}.header-inner{min-height:64px;padding:0 14px;gap:10px}.header-action{height:40px;min-width:82px;padding:0 14px}.site-logo{position:absolute;left:50%;transform:translateX(-50%)}.site-logo img{height:34px;max-width:130px}.site-main{padding-right:0}.section{padding:42px 0}
  .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)}
  .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}
  .split,.split.reverse,.app-band{grid-template-columns:1fr}.split.reverse .split-media{order:0}.hero-carousel{height:270px}.question-lead{grid-template-columns:1fr}.related-row{grid-template-columns:1fr}.grid-3{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  body{padding-bottom:62px}.container{width:min(100% - 28px,1200px)}.hero-copy{padding:36px 0 22px}.hero-copy h1{font-size:30px}.hero-copy p{font-size:16px}.section{padding:34px 0}.section-title{font-size:28px}.grid-4,.grid-3,.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.topic-wall{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.entry-tile,.topic-tile,.link-tile{padding:16px}.entry-tile h2,.topic-tile h3,.link-tile h3{font-size:17px}.entry-tile p,.topic-tile p,.link-tile p{font-size:14px}.split{gap:18px}.split h2{font-size:26px}.panel{padding:20px}.article p{font-size:16px}.article h2{font-size:23px}.hero-carousel{height:200px;border-radius:18px}.hero-arrow{width:38px;height:38px}.app-band{padding:18px}.footer-grid{grid-template-columns:1fr;gap:24px}.site-footer{padding:38px 0 18px;margin-top:24px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:10000;display:grid;grid-template-columns:repeat(4,1fr);background:#101115;border-top:1px solid var(--line);padding-bottom:max(0px,env(safe-area-inset-bottom))}.mobile-bottom a{text-align:center;color:var(--gold);text-decoration:none;padding:12px 4px;font-size:14px}.service-index{grid-template-columns:1fr}.footer-bottom{padding-bottom:8px}}
@media(max-width:430px){.header-inner{padding:0 10px}.site-logo img{max-width:112px;height:30px}.logo-fallback{font-size:15px}.main-btn{min-width:76px;padding:0 12px}.grid-4,.grid-3,.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-carousel{height:180px}}
@media(max-width:390px){.header-inner{gap:6px}.menu-toggle{width:40px;height:40px}.header-action{min-width:74px;padding:0 10px;font-size:14px}.site-logo img{max-width:104px}.topic-tile{padding:14px}}
@media(max-width:375px){.header-action{min-width:70px;padding:0 9px}.logo-fallback{font-size:14px;letter-spacing:.04em}.hero-carousel{height:170px}}