*{box-sizing:border-box}
html{scroll-behavior:smooth;background:#101115}
body{margin:0;background:#101115;color:#EDEFF5;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}
img{max-width:100%}
a{color:inherit}
button,input,textarea,select{font:inherit}
.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:inline-flex;align-items:center;justify-content:center;text-decoration:none}
.site-logo img{display:block;height:40px;width:auto;max-width:160px;object-fit:contain}
.logo-placeholder{display:block;width:150px;height:40px;border-radius:12px;background:linear-gradient(135deg,#1B1C21,#202127);border:1px solid rgba(248,200,74,.16)}
.nav-core{display:flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap}
.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);white-space:nowrap}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid rgba(248,200,74,.16);background:#15161A;border-radius:12px;padding:9px;cursor:pointer}
.menu-toggle span{display:block;height:2px;margin:5px 0;background:#F8C84A;border-radius:2px}
.channel-bar{background:#15161A;border-top:1px solid rgba(255,255,255,.03);border-bottom:1px solid rgba(255,255,255,.04)}
.channel-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;gap:18px;overflow-x:auto;white-space:nowrap;scrollbar-width:thin}
.channel-inner a{display:block;padding:12px 0;color:#B8BEC9;text-decoration:none;font-size:14px}
.channel-inner a:hover,.channel-inner a.is-current{color:#F8C84A}
.site-main{width:100%;padding-bottom:40px}
.container{width:min(1200px,calc(100% - 40px));margin:0 auto}
.reading{width:min(820px,calc(100% - 40px));margin:0 auto}
.section{padding:58px 0}
.section-tight{padding:34px 0}
.eyebrow{color:#F8C84A;font-weight:700;letter-spacing:.08em;font-size:14px}
h1,h2,h3{margin-top:0;color:#F8C84A;line-height:1.28}
h1{font-size:clamp(30px,4vw,46px);margin-bottom:18px}
h2{font-size:clamp(22px,3vw,30px);margin-bottom:14px}
h3{font-size:19px;margin-bottom:10px}
p{margin:0 0 16px;color:#EDEFF5}
.muted{color:#B8BEC9}
.lead{font-size:18px;color:#D8DEEA;line-height:1.9}
.page-hero{padding:56px 0 30px}
.page-hero .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:28px;align-items:center}
.page-hero .copy{max-width:760px}
.notice-line{padding:22px 24px;border:1px solid rgba(248,200,74,.16);background:#15161A;border-radius:16px;color:#D8DEEA}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.info-tile,.topic-tile,.text-panel,.step,.qa,.service-item{background:#15161A;border:1px solid rgba(248,200,74,.16);border-radius:18px;box-shadow:0 14px 36px rgba(0,0,0,.22)}
.info-tile,.topic-tile,.text-panel,.qa,.service-item{padding:22px}
.info-tile a,.topic-tile a,.text-link,.service-item a{color:#F8C84A;text-decoration:none;font-weight:700}
.topic-tile p,.info-tile p{color:#B8BEC9;font-size:15px;line-height:1.7}
.list-clean{list-style:none;margin:0;padding:0}
.list-clean li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.list-clean li:last-child{border-bottom:0}
.link-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.link-row a{color:#F8C84A;text-decoration:none;border-bottom:1px solid rgba(248,200,74,.5)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}
.split.reverse .media{order:2}
.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{position:absolute;inset:0;background:linear-gradient(145deg,#15161A,#202127)}
.media.card-media{height:174px;aspect-ratio:auto}
.media.feature-media{height:246px;aspect-ratio:auto}
.article{font-size:17px}
.article p{line-height:1.88;color:#D8DEEA}
.article h2{margin-top:34px}
.article ul,.article ol{padding-left:1.3em}
.article li{margin:8px 0;color:#D8DEEA}
.steps{display:grid;gap:14px;counter-reset:step}
.step{padding:22px 22px 22px 74px;position:relative}
.step:before{counter-increment:step;content:counter(step);position:absolute;left:20px;top:20px;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#202127;color:#F8C84A;font-weight:700;border:1px solid rgba(248,200,74,.16)}
.hero-slider{width:min(1200px,calc(100% - 40px));margin:28px auto 0;position:relative;height:380px;border-radius:22px;background:#15161A;overflow:hidden;border:1px solid rgba(248,200,74,.16)}
.hero-slide{position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .35s ease}
.hero-slide.is-active{opacity:1;pointer-events:auto}
.hero-slide .media{height:100%;border-radius:0;aspect-ratio:auto}
.hero-slide .media img{object-fit:contain}
.slider-prev,.slider-next{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:42px;height:42px;border-radius:50%;border:1px solid rgba(248,200,74,.35);background:rgba(16,17,21,.74);color:#F8C84A;font-size:24px;cursor:pointer}
.slider-prev{left:16px}.slider-next{right:16px}
.slider-dots{position:absolute;left:0;right:0;bottom:14px;z-index:5;display:flex;justify-content:center;gap:9px}
.slider-dot{width:10px;height:10px;padding:0;border:0;border-radius:50%;background:#8E96A6;cursor:pointer}
.slider-dot.is-active{background:#F8C84A;transform:scale(1.15)}
.app-strip{display:grid;grid-template-columns:1fr 1.2fr;gap:24px;align-items:center;padding:24px;background:#15161A;border-radius:18px;border:1px solid rgba(248,200,74,.16)}
.safety-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.safety-strip div{padding:18px;background:#1B1C21;border-radius:16px;color:#D8DEEA}
.quote-note{padding:18px 20px;border-left:3px solid #F8C84A;background:#15161A;border-radius:0 14px 14px 0;color:#D8DEEA}
.side-layout{display:grid;grid-template-columns:260px 1fr;gap:28px;align-items:start}
.side-nav{position:sticky;top:118px;background:#15161A;border:1px solid rgba(248,200,74,.16);border-radius:16px;padding:18px}
.side-nav a{display:block;padding:9px 0;color:#B8BEC9;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.05)}
.side-nav a:last-child{border-bottom:0}
.side-nav a:hover{color:#F8C84A}
.qa{margin-bottom:14px}
.qa h2{font-size:20px;margin-bottom:8px}
.floating-tools{position:fixed;right:14px;top:50%;transform:translateY(-50%);z-index:9000;width:86px;background:#15161A;border:1px solid rgba(248,200,74,.16);border-radius:16px;overflow:hidden;box-shadow:0 14px 36px rgba(0,0,0,.35)}
.floating-tools a,.floating-tools button{display:block;width:100%;padding:11px 8px;border:0;border-bottom:1px solid rgba(255,255,255,.05);background:transparent;color:#F8C84A;text-align:center;text-decoration:none;font-size:13px;cursor:pointer}
.floating-tools .float-register{background:linear-gradient(180deg,#FFE45A 0%,#F8B832 45%,#F3941F 100%);color:#101115;font-weight:700}
.site-footer{background:#08090C;color:#D8DEEA;margin-top:50px;padding:56px 0 100px}
.footer-grid{width:min(1200px,calc(100% - 40px));margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.footer-grid h2{font-size:17px;color:#F8C84A}
.footer-grid a{display:block;color:#B8BEC9;text-decoration:none;padding:4px 0}
.footer-brand p{color:#B8BEC9;font-size:14px;max-width:360px}
.footer-logo img{height:40px;width:auto;max-width:160px;object-fit:contain}
.footer-bottom{width:min(1200px,calc(100% - 40px));margin:32px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:#8E96A6}
.footer-bottom p{color:#8E96A6;margin:6px 0}
.mobile-bottom{display:none}
.mobile-drawer,
.drawer-mask{display:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid rgba(255,255,255,.06)}
.drawer-logo img{height:38px;width:auto;max-width:150px;object-fit:contain}
.drawer-close{width:38px;height:38px;border-radius:50%;border:1px solid rgba(248,200,74,.16);background:#202127;color:#F8C84A;font-size:24px;cursor:pointer}
.drawer-group{padding:14px 18px;border-bottom:1px solid rgba(255,255,255,.05)}
.drawer-group strong{display:block;color:#F8C84A;margin-bottom:6px}
.drawer-group a{display:block;color:#D8DEEA;text-decoration:none;padding:7px 0}
@media(max-width:1100px){
  .nav-core{gap:4px}.nav-core a{padding:8px 9px;font-size:14px}
  .floating-tools{display:none}
}
@media(max-width:980px){
  .channel-bar{display:none}
  .nav-core{display:none}
  .menu-toggle{display:block}
  .header-inner{min-height:64px;padding:0 14px;display:grid;grid-template-columns:96px 1fr 96px;gap:8px}
  .site-logo{justify-self:center}
  .site-logo img{height:36px;max-width:132px}
  .header-action{justify-self:end;height:40px;min-width:88px;padding:0 14px;font-size:14px}
  .menu-toggle{justify-self:start}
  .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;
  }
  body.drawer-open{overflow:hidden}
  .page-hero .hero-grid,.split,.app-strip,.side-layout{grid-template-columns:1fr}
  .split.reverse .media{order:0}
  .side-nav{position:static}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .safety-strip{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .hero-slider{height:280px}
}
@media(max-width:640px){
  .container,.reading{width:min(100% - 28px,1200px)}
  .section{padding:38px 0}.section-tight{padding:26px 0}
  .page-hero{padding:36px 0 20px}
  h1{font-size:30px}
  .lead{font-size:16px}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .grid-4{gap:12px}
  .info-tile,.topic-tile,.text-panel,.qa,.service-item{padding:17px}
  .hero-slider{width:calc(100% - 28px);height:190px;border-radius:18px;margin-top:18px}
  .slider-prev,.slider-next{width:36px;height:36px}
  .slider-prev{left:8px}.slider-next{right:8px}
  .media.feature-media{height:220px}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding-bottom:92px}
  .mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:9500;height:58px;background:#101115;border-top:1px solid rgba(248,200,74,.16);display:grid;grid-template-columns:repeat(4,1fr);align-items:center}
  .mobile-bottom a{text-align:center;color:#F8C84A;text-decoration:none;font-size:14px}
  .site-main{padding-bottom:58px}
}