*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#111722;color:#E8EDF6;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}
body.drawer-open{overflow:hidden}
img{max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
button{cursor:pointer}
.site-header{position:sticky;top:0;z-index:9999;width:100%;background:#111722;box-shadow:0 10px 30px rgba(0,0,0,.24)}
.header-inner{max-width:1280px;min-height:72px;margin:0 auto;padding:0 22px;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:24px}
.brand-logo,.mobile-logo,.drawer-logo{display:flex;align-items:center;min-width:0}
.brand-logo img,.mobile-logo img,.drawer-logo img,.footer-brand img{height:46px;width:auto;max-width:165px;object-fit:contain}
.logo-fallback{font-weight:800;letter-spacing:.08em;color:#F0D89A;white-space:nowrap}
.main-nav{display:flex;justify-content:center;align-items:center;gap:clamp(12px,1.6vw,26px);min-width:0}
.main-nav a{font-size:15px;color:#BAC3D2;white-space:nowrap;transition:.2s ease}
.main-nav a:hover,.main-nav a.active{color:#F0D89A}
.header-actions{display:flex;align-items:center;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 18px;border-radius:999px;font-weight:700;font-size:14px;white-space:nowrap;border:1px solid rgba(240,216,154,.2)}
.btn-gold{background:#F0D89A;color:#111722;border-color:#F0D89A}
.btn-gold:hover{background:#E4C77D}
.btn-ghost{background:#1E2736;color:#E8EDF6}
.btn-ghost:hover{border-color:#E4C77D;color:#F0D89A}
.category-nav{background:#18202D;border-top:1px solid rgba(240,216,154,.08);border-bottom:1px solid rgba(240,216,154,.12)}
.category-scroll{max-width:1280px;margin:0 auto;padding:0 22px;display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:thin}
.category-scroll a{flex:0 0 auto;padding:11px 12px;color:#BAC3D2;font-size:13px;white-space:nowrap}
.category-scroll a:hover{color:#F0D89A;background:#1E2736}
.mobile-header,.mobile-drawer,.drawer-overlay,.mobile-bottom-nav{display:none}

.site-main{min-height:70vh}
.container{width:min(100% - 44px,1280px);margin-inline:auto}
.article-width{width:min(100% - 44px,860px);margin-inline:auto}
.section{padding:88px 0}
.section-tight{padding:58px 0}
.section-alt{background:#18202D}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:5px 11px;border-radius:999px;border:1px solid rgba(240,216,154,.14);color:#F0D89A;font-size:13px;letter-spacing:.08em}
h1,h2,h3{margin:0;color:#F0D89A;line-height:1.25}
h1{font-size:clamp(44px,4.2vw,54px);letter-spacing:-.03em}
h2{font-size:clamp(28px,3vw,38px)}
h3{font-size:20px}
p{margin:0;color:#BAC3D2}
.lead{font-size:18px;line-height:1.8;color:#D8DFEA;max-width:820px}
.page-hero{padding:74px 0 54px;background:linear-gradient(180deg,#18202D 0%,#111722 100%)}
.page-hero .lead{margin-top:18px}
.breadcrumbs{margin-bottom:18px;color:#8F9AAF;font-size:14px}
.breadcrumbs a:hover{color:#F0D89A}
.section-heading{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:30px}
.section-heading p{max-width:700px}
.stack{display:grid;gap:22px}
.stack-lg{display:grid;gap:34px}
.panel{background:#1E2736;border:1px solid rgba(240,216,154,.12);border-radius:18px;padding:28px;box-shadow:0 16px 42px rgba(0,0,0,.16)}
.panel h2,.panel h3{margin-bottom:12px}
.panel p+p{margin-top:12px}
.soft-panel{background:#18202D;border:1px solid rgba(240,216,154,.10);border-radius:14px;padding:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:34px;align-items:center}
.split-wide{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}
.text-list{display:grid;gap:0;border-top:1px solid rgba(240,216,154,.10)}
.text-list a,.text-list .row{display:grid;grid-template-columns:150px minmax(0,1fr);gap:20px;padding:20px 0;border-bottom:1px solid rgba(240,216,154,.10)}
.text-list strong{color:#F0D89A}
.text-list span{color:#BAC3D2}
.text-link{display:inline-flex;margin-top:14px;color:#F0D89A;font-weight:700}
.text-link:hover{color:#E4C77D;text-decoration:underline}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag-list a,.tag{display:inline-flex;padding:7px 12px;border-radius:999px;background:#253044;color:#D8DFEA;font-size:14px;border:1px solid rgba(240,216,154,.08)}
.tag-list a:hover{color:#F0D89A;border-color:rgba(240,216,154,.3)}
.notice{border-left:3px solid #F0D89A;padding:18px 20px;background:#18202D;border-radius:0 14px 14px 0;color:#BAC3D2}
.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:16px;background:#111722;border:1px solid rgba(240,216,154,.10)}
.media img{position:absolute;inset:0;width:100%;height:100%;display:block;object-fit:contain;object-position:center center}
.media-placeholder{width:100%;height:100%;background:linear-gradient(135deg,#111722,#1E2736)}
.media-hero{aspect-ratio:16/7;min-height:260px;max-height:380px}
.media-topic{aspect-ratio:16/10;min-height:150px;max-height:210px}
.media-main{aspect-ratio:4/3;min-height:220px;max-height:320px}
.media-app{aspect-ratio:4/3;min-height:210px;max-height:300px}
.media-activity{aspect-ratio:16/9;min-height:220px;max-height:340px}

.hero-slider{position:relative}
.hero-stage{position:relative;min-height:260px}
.hero-slide{display:none}
.hero-slide.is-active{display:block}
.hero-slide .media{border-radius:18px}
.hero-copy{margin-top:22px;display:flex;justify-content:space-between;gap:24px;align-items:end}
.hero-copy h1{max-width:760px}
.hero-copy p{max-width:560px;margin-top:12px}
.hero-dots{display:flex;gap:8px;margin-top:18px}
.hero-dot{width:34px;height:7px;border:0;border-radius:999px;background:#253044;padding:0}
.hero-dot.is-active{background:#F0D89A}

.feature-lead{display:grid;grid-template-columns:1.35fr .65fr;gap:24px}
.feature-side{display:grid;gap:24px}
.feature-lead .panel{min-height:100%}
.channel-mosaic{display:grid;grid-template-columns:1.25fr .75fr .75fr;grid-template-areas:"wide top side" "wide bottom side";gap:20px}
.channel-mosaic .wide{grid-area:wide;min-height:330px}
.channel-mosaic .top{grid-area:top}
.channel-mosaic .bottom{grid-area:bottom}
.channel-mosaic .side{grid-area:side}
.topic-card{background:#1E2736;border:1px solid rgba(240,216,154,.10);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}
.topic-card .content{padding:18px;display:grid;gap:8px}
.topic-card p{font-size:14px}
.topic-card .text-link{margin-top:4px}
.feedback{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.feedback blockquote{margin:0;background:#18202D;border:1px solid rgba(240,216,154,.10);border-radius:14px;padding:22px;color:#BAC3D2}
.faq-list{display:grid;gap:14px}
.faq-item{background:#18202D;border:1px solid rgba(240,216,154,.10);border-radius:14px;padding:22px}
.faq-item h3{margin-bottom:10px;font-size:18px}
.kicker-grid{display:grid;grid-template-columns:1fr 1.2fr .8fr;gap:22px}
.stat-line{display:flex;gap:16px;align-items:flex-start;padding:20px 0;border-bottom:1px solid rgba(240,216,154,.10)}
.stat-line:last-child{border-bottom:0}
.stat-no{display:inline-grid;place-items:center;flex:0 0 38px;height:38px;border-radius:50%;background:#253044;color:#F0D89A;font-weight:800}
.callout{background:#253044;border:1px solid rgba(240,216,154,.16);border-radius:18px;padding:28px}
.callout h2{margin-bottom:12px}
.table-like{display:grid;gap:1px;background:rgba(240,216,154,.10);border:1px solid rgba(240,216,154,.10);border-radius:14px;overflow:hidden}
.table-like .row{display:grid;grid-template-columns:180px minmax(0,1fr);gap:18px;background:#18202D;padding:17px 20px}
.table-like strong{color:#F0D89A}
.page-nav{display:flex;flex-wrap:wrap;gap:12px}
.page-nav a{padding:9px 13px;border-radius:999px;border:1px solid rgba(240,216,154,.14);color:#D8DFEA}
.page-nav a:hover{border-color:#E4C77D;color:#F0D89A}
.inline-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:22px}

.site-footer{background:#0B1018;padding:64px 0 110px;border-top:1px solid rgba(240,216,154,.10)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
.footer-grid h2{font-size:16px;margin-bottom:12px}
.footer-grid>div:not(.footer-brand){display:flex;flex-direction:column;gap:8px}
.footer-grid a{color:#BAC3D2;font-size:14px}
.footer-grid a:hover{color:#F0D89A}
.footer-brand p{margin-top:14px;max-width:320px;font-size:14px}
.footer-bottom{margin-top:34px;padding-top:24px;border-top:1px solid rgba(240,216,154,.10);display:grid;gap:6px}
.footer-bottom p{font-size:13px;color:#8F9AAF}
.desktop-tools{position:fixed;right:18px;bottom:22px;z-index:5000;display:grid;gap:8px;width:112px}
.desktop-tools a,.desktop-tools button{border:1px solid rgba(240,216,154,.14);background:#18202D;color:#D8DFEA;border-radius:10px;padding:9px 10px;text-align:center;font-size:13px;box-shadow:0 8px 24px rgba(0,0,0,.18)}
.desktop-tools .quick-register{background:#F0D89A;color:#111722;border-color:#F0D89A;font-weight:700}
.desktop-tools button{width:100%}
.desktop-tools a:hover,.desktop-tools button:hover{border-color:#E4C77D;color:#F0D89A}
.desktop-tools .quick-register:hover{color:#111722;background:#E4C77D}
.mobile-bottom-nav{display:none}

@media (max-width:1100px){
  .header-inner{gap:14px;padding:0 16px}
  .main-nav{gap:10px}
  .main-nav a{font-size:14px}
  .header-actions{gap:7px}
  .btn{padding:0 14px}
  .channel-mosaic{grid-template-columns:1.2fr .8fr;grid-template-areas:"wide top" "wide bottom" "side side"}
  .desktop-tools{display:none}
}
@media (max-width:900px){
  h1{font-size:clamp(36px,5vw,44px)}
  .section{padding:72px 0}
  .grid-4{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feature-lead,.split,.split-wide{grid-template-columns:1fr}
  .kicker-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
  .footer-grid>div:last-child{grid-column:2/4}
  .media-hero{aspect-ratio:16/8;min-height:220px;max-height:320px}
}
@media (max-width:820px){
  .desktop-header,.category-nav{display:none}
  .mobile-header{min-height:64px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:8px 14px;gap:8px}
  .menu-toggle{justify-self:start;width:42px;height:42px;display:grid;place-content:center;gap:5px;border:1px solid rgba(240,216,154,.14);border-radius:10px;background:#18202D;padding:0}
  .menu-toggle span{display:block;width:18px;height:2px;background:#E8EDF6}
  .mobile-logo{justify-self:center}
  .mobile-logo img{height:42px;max-width:135px}
  .mobile-register{justify-self:end;min-height:38px;padding:0 12px;font-size:13px}
  .drawer-overlay{display:block;position:fixed;inset:0;z-index:10000;background:rgba(0,0,0,.58);opacity:0;pointer-events:none;transition:.25s ease}
  .drawer-overlay.is-open{opacity:1;pointer-events:auto}
  .mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;z-index:10001;width:min(86vw,330px);background:#18202D;transform:translateX(-102%);transition:.25s ease;overflow:auto;box-shadow:20px 0 50px rgba(0,0,0,.35)}
  .mobile-drawer.is-open{transform:translateX(0)}
  .drawer-head{position:sticky;top:0;z-index:2;display:flex;justify-content:space-between;align-items:center;padding:14px 18px;background:#18202D;border-bottom:1px solid rgba(240,216,154,.10)}
  .drawer-logo img{height:42px;max-width:140px}
  .drawer-close{width:40px;height:40px;border:0;border-radius:10px;background:#253044;color:#E8EDF6;font-size:28px;line-height:1}
  .drawer-body{padding:10px 18px 28px}
  .drawer-group{padding:14px 0;border-bottom:1px solid rgba(240,216,154,.10)}
  .drawer-group h2{font-size:13px;color:#8F9AAF;margin-bottom:8px}
  .drawer-group a{display:block;padding:7px 0;color:#D8DFEA}
  .drawer-group a:hover{color:#F0D89A}
  .mobile-bottom-nav{display:grid;position:fixed;left:0;right:0;bottom:0;z-index:8000;grid-template-columns:repeat(5,1fr);background:#0B1018;border-top:1px solid rgba(240,216,154,.12);padding-bottom:env(safe-area-inset-bottom)}
  .mobile-bottom-nav a{padding:11px 4px;text-align:center;font-size:12px;color:#BAC3D2}
  .mobile-bottom-nav a:hover{color:#F0D89A}
  .site-footer{padding-bottom:100px}
}
@media (max-width:640px){
  .container,.article-width{width:min(100% - 28px,1280px)}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .page-hero{padding:48px 0 38px}
  h1{font-size:clamp(30px,9vw,36px)}
  h2{font-size:clamp(25px,7vw,31px)}
  .lead{font-size:16px}
  .section-heading{display:grid;gap:12px}
  .grid-4,.grid-3,.grid-2,.kicker-grid,.feedback{grid-template-columns:1fr}
  .topic-index{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feature-lead{gap:18px}
  .channel-mosaic{grid-template-columns:1fr;grid-template-areas:"wide" "top" "bottom" "side"}
  .channel-mosaic .wide{min-height:0}
  .hero-copy{display:grid;gap:14px}
  .media-hero{aspect-ratio:16/10;min-height:190px;max-height:280px}
  .media-topic{min-height:150px;max-height:210px}
  .media-main{min-height:220px;max-height:320px}
  .media-app{min-height:210px;max-height:300px}
  .panel{padding:22px}
  .text-list a,.text-list .row{grid-template-columns:1fr;gap:6px}
  .table-like .row{grid-template-columns:1fr;gap:5px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-grid .footer-brand{grid-column:1/-1}
  .footer-grid>div:last-child{grid-column:auto}
}
@media (max-width:390px){
  .mobile-header{padding-inline:10px}
  .mobile-logo img{height:38px;max-width:118px}
  .mobile-register{padding:0 10px;font-size:12px}
  .menu-toggle{width:38px;height:38px}
  .topic-index{grid-template-columns:1fr 1fr}
  .topic-card .content{padding:14px}
}