/* roulang page: index */
:root{
  --ink-900:#0C1512;
  --ink-800:#13211B;
  --ink-700:#1B2C24;
  --paper-100:#F5F2EA;
  --paper-200:#EAE5D7;
  --paper-300:#DCD5C2;
  --accent-400:#C8F04B;
  --accent-500:#A9D42B;
  --accent-600:#8CB01B;
  --alert-500:#E4572E;
  --text-900:#14201A;
  --text-600:#566159;
  --text-400:#8A948C;
  --line-200:rgba(12,21,18,.10);
  --line-300:rgba(12,21,18,.18);
  --r-card:16px;
  --r-sm:12px;
  --r-pill:999px;
  --r-img:14px;
  --sh-card:0 1px 2px rgba(12,21,18,.05),0 14px 32px rgba(12,21,18,.07);
  --sh-hover:0 20px 44px rgba(12,21,18,.11);
  --sh-hard:4px 4px 0 var(--ink-900);
  --ticker-h:40px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--paper-100);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,transform .18s ease;}
a:hover{color:var(--ink-900);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.num{font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:.01em;}
section{position:relative;}
.section-pad{padding-top:88px;padding-bottom:88px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px;}
.section-head h2{font-size:32px;font-weight:800;line-height:1.25;letter-spacing:-.01em;}
.section-head .sub{font-size:14px;color:var(--text-600);max-width:520px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.06em;font-weight:700;}

/* ---------- ticker ---------- */
.ticker{
  background:var(--ink-900);
  color:#fff;
  height:var(--ticker-h);
  display:flex;align-items:center;
  position:sticky;top:0;z-index:70;
  border-right:2px solid var(--accent-400);
}
.ticker .container{display:flex;align-items:center;justify-content:space-between;gap:16px;height:100%;}
.ticker-left{display:flex;align-items:center;gap:10px;min-width:0;}
.ticker-tag{
  background:var(--alert-500);color:#fff;font-size:12px;font-weight:700;
  padding:2px 10px;border-radius:var(--r-pill);letter-spacing:.04em;flex:0 0 auto;
}
.ticker-text{font-size:13px;color:rgba(255,255,255,.82);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.countdown{display:flex;align-items:center;gap:6px;flex:0 0 auto;}
.cd-box{
  background:var(--ink-700);
  border-radius:var(--r-sm);
  padding:3px 8px;
  display:flex;align-items:baseline;gap:2px;
  font-size:14px;
}
.cd-box b{color:var(--accent-400);font-variant-numeric:tabular-nums;font-weight:800;font-size:14px;line-height:1;}
.cd-box span{color:var(--text-400);font-size:11px;line-height:1;}

/* ---------- navbar ---------- */
.site-header{
  position:sticky;top:var(--ticker-h);z-index:60;
  background:rgba(245,242,234,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line-200);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px rgba(12,21,18,.10);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;transition:height .2s ease;}
.site-header.is-scrolled .nav-wrap{height:60px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink-900);white-space:nowrap;}
.brand .logo-mark{
  width:30px;height:30px;border-radius:9px;background:var(--ink-900);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
  position:relative;
}
.brand .logo-mark::after{
  content:"";width:9px;height:9px;background:var(--accent-400);border-radius:2px;
  transform:rotate(45deg);
}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  font-size:15px;font-weight:600;color:var(--text-600);
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:6px;transform:translateX(-50%) scaleX(0);
  width:60%;height:3px;border-radius:2px;background:var(--accent-400);
  transition:transform .18s ease;
}
.nav-links a:hover{color:var(--ink-900);}
.nav-links a:hover::after{transform:translateX(-50%) scaleX(1);}
.nav-links a.active{color:var(--ink-900);font-weight:700;}
.nav-links a.active::after{transform:translateX(-50%) scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  border:1.5px solid transparent;
  font-weight:700;font-size:16px;line-height:1;
  padding:0 28px;height:52px;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--accent-400);color:var(--ink-900);box-shadow:var(--sh-hard);}
.btn-primary:hover{background:var(--accent-500);color:var(--ink-900);transform:translate(2px,2px);box-shadow:2px 2px 0 var(--ink-900);}
.btn-primary:active{transform:translate(4px,4px);box-shadow:0 0 0 var(--ink-900);}
.btn-ghost{background:transparent;border-color:var(--ink-900);color:var(--ink-900);}
.btn-ghost:hover{background:var(--ink-900);color:var(--paper-100);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.btn:focus-visible,.nav-links a:focus-visible,.brand:focus-visible,.faq-btn:focus-visible,.toc a:focus-visible{
  outline:2px solid var(--accent-600);outline-offset:3px;
}
.on-dark .btn-ghost{border-color:rgba(255,255,255,.45);color:#fff;}
.on-dark .btn-ghost:hover{background:#fff;color:var(--ink-900);border-color:#fff;}

/* ---------- hamburger ---------- */
.hamburger{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  background:transparent;border:1.5px solid var(--line-300);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.hamburger span{display:block;width:20px;height:2px;background:var(--ink-900);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer{
  position:fixed;inset:0;z-index:100;background:var(--ink-900);
  padding:32px 24px 28px;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .26s ease;visibility:hidden;
}
.drawer.open{transform:translateX(0);visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px;}
.drawer-top .brand{color:#fff;}
.drawer-top .logo-mark{background:var(--accent-400);}
.drawer-top .logo-mark::after{background:var(--ink-900);}
.drawer-close{width:44px;height:44px;border-radius:var(--r-sm);border:1.5px solid rgba(255,255,255,.28);background:transparent;color:#fff;font-size:20px;line-height:1;cursor:pointer;}
.drawer nav{display:flex;flex-direction:column;gap:4px;}
.drawer nav a{color:#fff;font-size:18px;font-weight:600;padding:14px 4px;border-bottom:1px solid rgba(255,255,255,.10);}
.drawer nav a.active{color:var(--accent-400);}
.drawer .drawer-cta{margin-top:auto;padding-top:24px;}

/* ---------- hero ---------- */
.hero{background:var(--ink-900);color:#fff;overflow:hidden;padding:72px 0 80px;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(255,255,255,.06) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:30px 30px;
  opacity:.9;
}
.hero > .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero .badge-line{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(200,240,75,.12);border:1px solid rgba(200,240,75,.42);
  color:var(--accent-400);font-size:12px;font-weight:700;letter-spacing:.06em;
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:22px;
}
.hero h1{
  font-size:44px;font-weight:800;line-height:1.18;letter-spacing:-.015em;color:#fff;
  margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--accent-400);}
.hero .lead{font-size:18px;line-height:1.8;color:rgba(255,255,255,.78);max-width:520px;margin-bottom:30px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px;}
.hero-stats{display:flex;align-items:center;gap:0;flex-wrap:wrap;}
.hero-stats .stat{padding:0 22px;border-left:1px solid rgba(255,255,255,.16);}
.hero-stats .stat:first-child{padding-left:0;border-left:none;}
.hero-stats .stat b{display:block;font-size:17px;color:#fff;line-height:1.4;}
.hero-stats .stat span{display:block;font-size:12px;color:var(--text-400);letter-spacing:.04em;}
.hero-media{position:relative;}
.hero-media .frame{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  border:1px solid rgba(255,255,255,.10);
  aspect-ratio:4/3;background:var(--paper-200);
  box-shadow:0 24px 48px rgba(0,0,0,.32);
}
.hero-media .frame img{width:100%;height:100%;object-fit:cover;}
.hero-flag{
  position:absolute;top:-8px;left:-8px;z-index:3;
  background:var(--alert-500);color:#fff;font-size:12px;font-weight:700;letter-spacing:.04em;
  padding:6px 14px;border-radius:var(--r-pill);
  box-shadow:0 8px 18px rgba(228,87,46,.32);
}
.hero-mini{
  position:relative;margin-top:-34px;margin-left:18px;margin-right:18px;z-index:3;
  background:#fff;border-radius:var(--r-sm);padding:14px 18px;
  display:flex;justify-content:space-between;gap:14px;
  box-shadow:0 16px 34px rgba(12,21,18,.24);
}
.hero-mini div{text-align:center;flex:1;}
.hero-mini b{display:block;font-size:17px;color:var(--ink-900);line-height:1.3;}
.hero-mini span{display:block;font-size:12px;color:var(--text-600);}

/* ---------- step board ---------- */
.steps-band{background:var(--paper-100);}
.step-board{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line-200);}
.step{padding:28px 22px 10px;border-right:1px solid var(--line-200);}
.step:last-child{border-right:none;}
.step-num{
  display:block;font-size:40px;font-weight:800;line-height:1;margin-bottom:14px;
  color:var(--accent-600);font-variant-numeric:tabular-nums;
}
@supports (-webkit-text-stroke:1px red){
  .step-num{color:transparent;-webkit-text-stroke:1.5px var(--accent-600);}
}
.step h3{font-size:20px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14px;line-height:1.75;color:var(--text-600);}

/* ---------- gallery wall ---------- */
.wall-band{background:var(--paper-200);}
.wall{display:grid;grid-template-columns:repeat(12,1fr);gap:18px;align-items:start;}
.wall-item{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  background:var(--paper-300);
  box-shadow:var(--sh-card);
  transition:box-shadow .2s ease,transform .2s ease;
}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease;}
.wall-item:hover{box-shadow:var(--sh-hover);}
.wall-item:hover img{transform:scale(1.04);}
.wall-item .tagbar{
  position:absolute;left:14px;bottom:14px;
  background:#fff;border-radius:var(--r-sm);padding:10px 14px;
  box-shadow:0 10px 24px rgba(12,21,18,.16);
  transition:transform .18s ease;
  max-width:calc(100% - 28px);
}
.wall-item:hover .tagbar{transform:translateY(-4px);}
.tagbar .row1{display:flex;align-items:center;gap:8px;margin-bottom:2px;}
.tagbar .idx{font-size:10px;color:var(--text-400);font-variant-numeric:tabular-nums;letter-spacing:.08em;}
.tagbar h3{font-size:15px;font-weight:700;line-height:1.4;}
.wi-1{grid-column:span 7;aspect-ratio:16/9;}
.wi-2{grid-column:span 5;aspect-ratio:1/1;}
.wi-3,.wi-4,.wi-5{grid-column:span 4;aspect-ratio:16/10;}
.wall-item .badge{
  position:absolute;top:14px;left:14px;
  background:var(--accent-400);color:var(--ink-900);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  padding:4px 12px;border-radius:var(--r-pill);
}
.wall-item .badge.urgent{background:var(--alert-500);color:#fff;}

/* ---------- CTA + form ---------- */
.claim-band{
  background:var(--ink-800);color:#fff;padding:96px 0 100px;
  position:relative;overflow:hidden;
}
.claim-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:120px;
  background:var(--paper-200);
  clip-path:polygon(0 0,100% 0,100% 0,0 100%);
  opacity:.06;
}
.claim-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(255,255,255,.06) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:30px 30px;
}
.claim-grid{position:relative;z-index:2;display:grid;grid-template-columns:6fr 5fr;gap:56px;align-items:start;}
.claim-grid h2{font-size:32px;font-weight:800;line-height:1.3;margin-bottom:16px;}
.claim-grid .desc{color:rgba(255,255,255,.74);font-size:16px;line-height:1.9;margin-bottom:24px;}
.claim-points{margin-bottom:26px;}
.claim-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:rgba(255,255,255,.86);padding:6px 0;}
.claim-points li::before{
  content:"✓";flex:0 0 auto;width:20px;height:20px;margin-top:4px;
  background:rgba(200,240,75,.16);color:var(--accent-400);
  border-radius:50%;font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
}
.claim-timer{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-400);}
.claim-timer b{color:var(--accent-400);font-variant-numeric:tabular-nums;font-weight:800;font-size:15px;}
.form-card{
  background:#fff;border-radius:var(--r-card);padding:26px;
  box-shadow:0 24px 48px rgba(0,0,0,.24);
  color:var(--text-900);
}
.form-card .form-note{font-size:13px;color:var(--text-600);line-height:1.7;margin-bottom:16px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;}
.field label .req{color:var(--alert-500);margin-left:2px;}
.field input[type="tel"]{
  width:100%;height:48px;border-radius:var(--r-sm);
  border:1.5px solid var(--line-200);background:var(--paper-100);
  padding:0 14px;font-size:15px;color:var(--text-900);
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field input[type="tel"]::placeholder{color:var(--text-400);}
.field input[type="tel"]:focus{
  outline:none;background:#fff;border-color:var(--accent-600);
  box-shadow:0 0 0 3px rgba(140,176,27,.20);
}
.field.invalid input[type="tel"]{border-color:var(--alert-500);box-shadow:0 0 0 3px rgba(228,87,46,.14);}
.field .err{display:none;font-size:12px;color:var(--alert-500);margin-top:6px;}
.field.invalid .err{display:block;}
.platform-group{display:flex;gap:8px;flex-wrap:wrap;}
.platform-group input{position:absolute;opacity:0;width:0;height:0;}
.platform-group label{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:92px;height:42px;padding:0 16px;
  border-radius:var(--r-pill);border:1.5px solid var(--line-200);
  background:var(--paper-100);font-size:14px;font-weight:600;color:var(--text-600);
  cursor:pointer;transition:all .18s ease;margin:0;
}
.platform-group input:checked + label{background:var(--ink-900);border-color:var(--ink-900);color:#fff;}
.platform-group input:focus-visible + label{outline:2px solid var(--accent-600);outline-offset:2px;}
.agree{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:var(--text-600);line-height:1.7;margin-top:14px;}
.agree input{margin-top:4px;width:15px;height:15px;accent-color:var(--accent-600);flex:0 0 auto;}
.agree a{color:var(--ink-900);border-bottom:2px solid var(--accent-400);padding-bottom:1px;}
.form-msg{
  display:none;margin-top:14px;font-size:13px;line-height:1.7;
  background:rgba(200,240,75,.22);border:1px solid rgba(140,176,27,.45);
  color:var(--ink-900);border-radius:var(--r-sm);padding:10px 14px;
}
.form-msg.show{display:block;}

/* ---------- CMS news ---------- */
.news-band{background:var(--paper-100);}
.chip-row{display:flex;gap:8px;flex-wrap:wrap;}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);background:var(--paper-200);border:1px solid var(--line-200);
  font-size:13px;font-weight:600;color:var(--text-600);cursor:pointer;
  transition:all .18s ease;
}
.chip:hover{color:var(--ink-900);border-color:var(--line-300);}
.chip.active{background:var(--ink-900);border-color:var(--ink-900);color:#fff;}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.news-card{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line-200);
  border-radius:var(--r-card);padding:18px;box-shadow:var(--sh-card);
  transition:transform .18s ease,box-shadow .18s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);color:inherit;}
.news-thumb{
  width:104px;height:104px;flex:0 0 auto;border-radius:var(--r-img);
  overflow:hidden;background:var(--paper-200);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-body{min-width:0;display:flex;flex-direction:column;}
.news-body h3{
  font-size:16px;font-weight:700;line-height:1.5;margin:8px 0 6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s ease;
}
.news-card:hover .news-body h3{color:var(--ink-900);text-decoration:underline;text-decoration-color:var(--accent-400);text-decoration-thickness:2px;text-underline-offset:3px;}
.news-body p{
  font-size:14px;line-height:1.7;color:var(--text-600);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-400);margin-top:auto;padding-top:10px;}
.news-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-400);}
.news-arrow{margin-left:auto;color:var(--text-400);transition:transform .18s ease,color .18s ease;}
.news-card:hover .news-arrow{transform:translateX(3px);color:var(--ink-900);}
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  background:var(--paper-300);color:var(--text-900);width:fit-content;
}
.badge-pill.accent{background:var(--accent-400);color:var(--ink-900);}
.badge-pill.urgent{background:var(--alert-500);color:#fff;}
.badge-pill .dot{width:4px;height:4px;border-radius:50%;background:currentColor;}
.empty-state{
  border:1.5px dashed var(--line-300);border-radius:var(--r-card);
  padding:40px 24px;text-align:center;background:rgba(255,255,255,.55);
  max-height:200px;
}
.empty-state .ico{
  width:40px;height:40px;border-radius:12px;background:var(--paper-200);
  margin:0 auto 12px;display:flex;align-items:center;justify-content:center;color:var(--text-400);font-size:18px;
}
.empty-state p{font-size:14px;color:var(--text-600);margin-bottom:14px;}
.news-foot{border-top:1px solid var(--line-200);margin-top:36px;padding-top:0;}

/* ---------- FAQ ---------- */
.faq-band{background:var(--paper-200);}
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-aside h2{font-size:32px;font-weight:800;line-height:1.25;margin-bottom:14px;}
.faq-aside p{font-size:14px;color:var(--text-600);line-height:1.8;margin-bottom:18px;}
.faq-aside .link-line{font-size:14px;font-weight:700;color:var(--ink-900);border-bottom:2px solid var(--accent-400);padding-bottom:2px;}
.faq-list{display:flex;flex-direction:column;gap:10px;}
.faq-item{background:#fff;border-radius:var(--r-sm);box-shadow:var(--sh-card);overflow:hidden;position:relative;}
.faq-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:none;text-align:left;cursor:pointer;
  padding:18px 20px;font-size:16px;font-weight:700;color:var(--text-900);
}
.faq-btn .plus{
  flex:0 0 auto;width:22px;height:22px;position:relative;
  transition:transform .18s ease;
}
.faq-btn .plus::before,.faq-btn .plus::after{
  content:"";position:absolute;background:var(--ink-900);border-radius:2px;
}
.faq-btn .plus::before{left:0;top:10px;width:22px;height:2px;}
.faq-btn .plus::after{left:10px;top:0;width:2px;height:22px;}
.faq-item.open .faq-btn .plus{transform:rotate(45deg);}
.faq-panel{max-height:0;overflow:hidden;transition:max-height .24s ease;}
.faq-panel .inner{padding:0 20px 20px;font-size:15px;line-height:1.9;color:var(--text-600);}
.faq-item.open::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;background:var(--accent-400);
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink-900);color:#fff;padding:72px 0 0;
  position:relative;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--accent-400);opacity:.5;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand{color:#fff;margin-bottom:14px;}
.footer-brand .logo-mark{background:var(--accent-400);}
.footer-brand .logo-mark::after{background:var(--ink-900);}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:280px;margin-bottom:16px;}
.footer-tags{display:flex;gap:8px;flex-wrap:wrap;}
.footer-tags span{
  font-size:12px;letter-spacing:.04em;color:rgba(255,255,255,.72);
  border:1px solid rgba(255,255,255,.18);border-radius:var(--r-pill);padding:3px 10px;
}
.footer-col h3{font-size:13px;font-weight:700;letter-spacing:.08em;color:rgba(255,255,255,.45);margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:color .18s ease,transform .18s ease;}
.footer-col ul li a:hover{color:var(--accent-400);transform:translateX(2px);}
.footer-col p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.9;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:18px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.5);}
.footer-bottom a:hover{color:var(--accent-400);}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .hero h1{font-size:40px;}
  .hero-grid{gap:40px;}
  .claim-grid{gap:40px;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .hamburger{display:inline-flex;}
  .nav-right .btn{display:none;}
  .hero{padding:56px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:36px;}
  .hero-media{order:2;}
  .step-board{grid-template-columns:repeat(2,1fr);}
  .step{border-right:none;border-bottom:1px solid var(--line-200);}
  .step:nth-child(odd){border-right:1px solid var(--line-200);}
  .step:nth-child(3),.step:nth-child(4){border-bottom:none;}
  .claim-grid{grid-template-columns:1fr;}
  .form-card{order:-1;}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .news-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .wi-1{grid-column:span 12;aspect-ratio:16/9;}
  .wi-2{grid-column:span 6;aspect-ratio:1/1;}
  .wi-3,.wi-4,.wi-5{grid-column:span 6;aspect-ratio:16/10;}
  .wi-5{grid-column:span 12;}
}
@media (max-width:767.98px){
  :root{--ticker-h:44px;}
  .container{padding-left:20px;padding-right:20px;}
  .section-pad{padding-top:56px;padding-bottom:56px;}
  .hero h1{font-size:30px;}
  .section-head h2{font-size:24px;}
  .hero .lead{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{gap:0;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;}
  .hero-stats .stat{padding:0 16px;white-space:nowrap;}
  .hero-stats .stat b{font-size:15px;}
  .hero-mini{margin-left:8px;margin-right:8px;padding:12px;}
  .step-board{grid-template-columns:1fr;}
  .step{border-right:none;border-bottom:1px solid var(--line-200);padding:22px 0 14px;}
  .step:nth-child(odd){border-right:none;}
  .step:last-child{border-bottom:none;}
  .step-num{font-size:28px;}
  .wall{grid-template-columns:1fr;}
  .wi-1,.wi-2,.wi-3,.wi-4,.wi-5{grid-column:span 1;aspect-ratio:16/10;}
  .claim-band{padding:56px 0 64px;}
  .claim-grid h2{font-size:24px;}
  .form-card{padding:20px;}
  .ticker-text{display:none;}
  .cd-box{padding:3px 6px;}
  .cd-box b{font-size:13px;}
  .news-card{padding:14px;gap:12px;}
  .news-thumb{width:84px;height:84px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding-top:48px;}
  .faq-aside h2{font-size:24px;}
  .btn{height:48px;}
}
@media (max-width:520px){
  .hero h1{font-size:27px;}
  .countdown{gap:4px;}
  .cd-box span{display:none;}
  .platform-group{display:grid;grid-template-columns:repeat(3,1fr);}
  .platform-group label{min-width:0;padding:0 8px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .faq-panel{transition:none;}
}

/* roulang page: category1 */
:root{
  --ink-900:#0C1512;
  --ink-800:#13211B;
  --ink-700:#1B2C24;
  --paper-100:#F5F2EA;
  --paper-200:#EAE5D7;
  --paper-300:#DCD5C2;
  --accent-400:#C8F04B;
  --accent-500:#A9D42B;
  --accent-600:#8CB01B;
  --alert-500:#E4572E;
  --text-900:#14201A;
  --text-600:#566159;
  --text-400:#8A948C;
  --line-200:rgba(12,21,18,.10);
  --line-300:rgba(12,21,18,.18);
  --radius-card:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --radius-img:14px;
  --shadow-card:0 1px 2px rgba(12,21,18,.05),0 14px 32px rgba(12,21,18,.07);
  --shadow-lift:0 1px 2px rgba(12,21,18,.05),0 20px 44px rgba(12,21,18,.11);
  --dur:180ms;
  --ease:ease;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--paper-100);
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--text-900);text-decoration:none;transition:color var(--dur) var(--ease);}
a:hover{color:var(--accent-600);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--text-900);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 顶部倒计时条 ============ */
.countdown-bar{
  background:var(--ink-900);
  color:var(--paper-100);
  position:sticky;
  top:0;
  z-index:1040;
  border-right:2px solid var(--accent-400);
}
.countdown-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:40px;
  padding-top:5px;
  padding-bottom:5px;
}
.countdown-left{display:flex;align-items:center;gap:10px;min-width:0;}
.tag-live{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 12px;
  background:var(--accent-400);color:var(--ink-900);
  border-radius:var(--radius-pill);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  white-space:nowrap;
}
.tag-live .dot{width:5px;height:5px;border-radius:50%;background:var(--ink-900);}
.countdown-note{
  font-size:13px;color:rgba(245,242,234,.72);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.countdown-right{display:flex;align-items:center;gap:6px;}
.cd-cell{
  display:flex;align-items:baseline;gap:3px;
  background:var(--ink-700);
  border-radius:var(--radius-sm);
  padding:3px 8px;
  line-height:1.2;
}
.cd-cell b{font-size:14px;font-weight:800;color:var(--accent-400);font-variant-numeric:tabular-nums;}
.cd-cell span{font-size:11px;color:var(--text-400);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:40px;
  z-index:1030;
  background:rgba(245,242,234,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line-200);
  transition:box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 26px rgba(12,21,18,.09);}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;
  height:68px;
  transition:height var(--dur) var(--ease);
}
.site-header.is-scrolled .nav-inner{height:60px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:800;color:var(--ink-900);
  letter-spacing:.01em;white-space:nowrap;
}
.brand:hover{color:var(--ink-900);}
.logo-mark{
  width:24px;height:24px;flex:0 0 24px;
  background:var(--accent-400);
  clip-path:polygon(56% 0,18% 56%,46% 56%,40% 100%,84% 42%,54% 42%);
  box-shadow:0 0 0 1px rgba(12,21,18,.16);
}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;
  display:inline-flex;align-items:center;
  height:44px;padding:0 16px;
  font-size:15px;font-weight:600;color:var(--text-600);
  border-radius:var(--radius-sm);
  transition:color var(--dur) var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:6px;
  width:0;height:3px;background:var(--accent-400);
  transform:translateX(-50%);border-radius:2px;
  transition:width var(--dur) var(--ease);
}
.nav-links a:hover{color:var(--ink-900);}
.nav-links a:hover::after{width:60%;}
.nav-links a.active{color:var(--ink-900);font-weight:700;}
.nav-links a.active::after{width:60%;}
.nav-links a:focus-visible{outline:2px solid var(--accent-600);outline-offset:2px;}
.nav-right{display:flex;align-items:center;gap:12px;}

/* 按钮系统 */
.btn-rl{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;
  border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;
  border:0;cursor:pointer;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.btn-primary-rl{
  background:var(--accent-400);color:var(--ink-900);
  box-shadow:4px 4px 0 var(--ink-900);
}
.btn-primary-rl:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--ink-900);color:var(--ink-900);}
.btn-primary-rl:active{transform:translate(4px,4px);box-shadow:0 0 0 var(--ink-900);}
.btn-ghost-rl{
  background:transparent;color:var(--ink-900);
  border:1.5px solid var(--ink-900);
}
.btn-ghost-rl:hover{background:var(--ink-900);color:var(--paper-100);}
.btn-rl:focus-visible{outline:2px solid var(--accent-600);outline-offset:2px;}
.btn-lg-rl{height:52px;padding:0 28px;font-size:16px;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  background:transparent;border:1.5px solid var(--line-300);
  border-radius:var(--radius-sm);
  position:relative;cursor:pointer;
}
.nav-toggle span{
  position:absolute;left:12px;width:20px;height:2px;background:var(--ink-900);
  border-radius:2px;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.nav-toggle span:nth-child(1){top:15px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:27px;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.mobile-drawer{
  position:fixed;inset:0;
  background:var(--ink-900);
  z-index:1060;
  display:flex;flex-direction:column;
  padding:88px 24px 24px;
  transform:translateY(-100%);
  opacity:0;pointer-events:none;
  transition:transform 240ms var(--ease),opacity 240ms var(--ease);
}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
.mobile-drawer a.drawer-link{
  display:block;
  color:#fff;font-size:18px;font-weight:700;
  padding:16px 0;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.mobile-drawer a.drawer-link.active{color:var(--accent-400);}
.drawer-close{
  position:absolute;top:20px;right:20px;
  width:44px;height:44px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.08);border:0;color:#fff;font-size:18px;
}
.drawer-footer{margin-top:auto;}

/* ============ 窄页头 ============ */
.pagehead{
  background:var(--paper-200);
  border-bottom:1px solid var(--line-200);
  padding:32px 0;
}
.pagehead-inner{
  display:grid;
  grid-template-columns:1fr 320px;
  gap:32px;
  align-items:center;
  min-height:176px;
}
.crumbs{font-size:13px;color:var(--text-400);margin-bottom:14px;}
.crumbs a{color:var(--text-400);}
.crumbs a:hover{color:var(--ink-900);}
.crumbs .sep{margin:0 6px;color:var(--line-300);}
.pagehead h1{
  font-size:38px;line-height:1.18;font-weight:800;letter-spacing:-.01em;
}
.pagehead h1 em{
  font-style:normal;color:var(--ink-900);
  background:linear-gradient(transparent 62%,var(--accent-400) 62%,var(--accent-400) 92%,transparent 92%);
}
.pagehead-desc{
  margin-top:12px;font-size:15px;color:var(--text-600);max-width:520px;
}
.pagehead-count{
  display:inline-flex;align-items:baseline;gap:8px;
  margin-top:16px;
  background:#fff;border:1px solid var(--line-200);
  border-radius:var(--radius-pill);
  padding:6px 16px;
  font-size:12px;color:var(--text-600);
}
.pagehead-count b{font-size:16px;font-weight:800;color:var(--ink-900);font-variant-numeric:tabular-nums;}
.pagehead-thumb{
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line-200);
  box-shadow:var(--shadow-card);
  aspect-ratio:3/2;
  background:var(--paper-300) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.pagehead-thumb img{width:100%;height:100%;object-fit:cover;aspect-ratio:3/2;}

/* ============ 内容区 ============ */
.section{padding:64px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:28px;
}
.section-head h2{font-size:32px;line-height:1.25;}
.section-head .sub{font-size:14px;color:var(--text-600);}

.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.chip{
  height:38px;padding:0 18px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line-200);
  background:#fff;color:var(--text-600);
  font-size:14px;font-weight:600;cursor:pointer;
  transition:all var(--dur) var(--ease);
}
.chip:hover{border-color:var(--line-300);color:var(--ink-900);}
.chip.active{background:var(--ink-900);color:#fff;border-color:var(--ink-900);}
.chip:focus-visible{outline:2px solid var(--accent-600);outline-offset:2px;}

.act-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.act-card{
  background:#fff;
  border:1px solid var(--line-200);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.act-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);}
.act-card:active{transform:scale(.99);}
.act-media{
  position:relative;
  aspect-ratio:16/10;
  background:var(--paper-200);
  overflow:hidden;
}
.act-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform var(--dur) var(--ease);
}
.act-card:hover .act-media img{transform:scale(1.04);}
.badge-pill{
  display:inline-flex;align-items:center;gap:5px;
  height:24px;padding:0 11px;
  border-radius:var(--radius-pill);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  white-space:nowrap;
}
.badge-live{background:var(--accent-400);color:var(--ink-900);}
.badge-hot{background:var(--alert-500);color:#fff;}
.badge-normal{background:var(--paper-300);color:var(--text-900);}
.act-media .badge-pill{
  position:absolute;left:12px;top:12px;
  box-shadow:0 2px 8px rgba(12,21,18,.16);
}
.act-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.act-body h3{font-size:17px;line-height:1.5;font-weight:700;margin-bottom:8px;}
.act-body p{font-size:14px;line-height:1.75;color:var(--text-600);}
.act-foot{
  margin-top:18px;padding-top:14px;
  border-top:1px solid var(--line-200);
  display:flex;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--text-400);font-variant-numeric:tabular-nums;
}
.act-foot i{transition:transform var(--dur) var(--ease);color:var(--ink-900);}
.act-card:hover .act-foot i{transform:translateX(3px);}

.grid-banner{
  grid-column:span 2;
  background:var(--ink-900);
  border-radius:var(--radius-card);
  padding:24px 26px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  color:#fff;
  position:relative;overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
}
.grid-banner::after{
  content:"";position:absolute;right:-40px;top:-40px;width:180px;height:180px;
  background:radial-gradient(circle,rgba(200,240,75,.16),transparent 68%);
  pointer-events:none;
}
.grid-banner h3{color:#fff;font-size:18px;font-weight:800;line-height:1.5;}
.grid-banner p{font-size:13px;color:rgba(255,255,255,.66);margin-top:4px;}
.grid-banner .go{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--accent-400);font-size:14px;font-weight:700;white-space:nowrap;
  border-bottom:2px solid rgba(200,240,75,.4);
  padding-bottom:2px;
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.grid-banner .go:hover{color:var(--accent-400);border-color:var(--accent-400);transform:translateX(3px);}

/* 分页 */
.pager{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:40px;}
.pager a,.pager span.pg{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:44px;padding:0 12px;
  border-radius:var(--radius-pill);
  background:var(--paper-200);
  color:var(--text-600);font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;
  transition:all var(--dur) var(--ease);
}
.pager a:hover{background:var(--paper-300);color:var(--ink-900);}
.pager .current{background:var(--accent-400);color:var(--ink-900);}
.pager a:focus-visible{outline:2px solid var(--accent-600);outline-offset:2px;}

/* 规则提示条 */
.rule-bar{
  background:#fff;
  border:1px solid var(--line-200);
  border-left:4px solid var(--alert-500);
  border-radius:var(--radius-sm);
  padding:18px 22px;
  display:flex;gap:14px;align-items:flex-start;
  margin-top:48px;
}
.rule-bar i{color:var(--alert-500);font-size:16px;margin-top:4px;}
.rule-bar p{font-size:14px;line-height:1.8;color:var(--text-600);}
.rule-bar strong{color:var(--text-900);font-weight:700;}

/* CTA 条 */
.cta-strip{
  background:var(--paper-200);
  border-top:1px solid var(--line-200);
  border-bottom:1px solid var(--line-200);
  padding:28px 0;
}
.cta-strip-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-strip h2{font-size:24px;line-height:1.4;font-weight:800;}
.cta-strip p{font-size:14px;color:var(--text-600);margin-top:6px;}
.cta-strip .actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-900);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:-1px;height:6px;
  background:linear-gradient(90deg,var(--accent-400),rgba(200,240,75,0));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.site-footer .brand{color:#fff;font-size:18px;}
.site-footer .brand:hover{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin-top:14px;max-width:320px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-tags span{
  display:inline-flex;align-items:center;
  height:24px;padding:0 11px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.18);
  font-size:12px;color:rgba(255,255,255,.72);
  font-variant-numeric:tabular-nums;
}
.footer-col h3{
  font-size:13px;color:#fff;font-weight:700;
  letter-spacing:.06em;margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  color:rgba(255,255,255,.72);font-size:14px;
  display:inline-block;
  transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.footer-col a:hover{color:var(--accent-400);transform:translateX(2px);}
.footer-col p{font-size:13px;line-height:1.9;color:rgba(255,255,255,.62);margin-bottom:6px;}
.footer-bottom{
  margin-top:48px;
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:12px;color:rgba(255,255,255,.5);
  flex-wrap:wrap;
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .pagehead-inner{grid-template-columns:1fr 260px;}
  .act-grid{gap:20px;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .nav-right .btn-primary-rl{display:none;}
  .nav-toggle{display:block;}
  .site-header{top:44px;}
  .countdown-inner{min-height:44px;}
  .section{padding:56px 0;}
  .pagehead-inner{grid-template-columns:1fr;min-height:0;}
  .pagehead-thumb{display:none;}
  .pagehead h1{font-size:32px;}
  .act-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-banner{grid-column:span 2;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section-head h2{font-size:26px;}
}
@media (max-width:767.98px){
  .container{padding-left:20px;padding-right:20px;}
  .countdown-note{display:none;}
  .countdown-left{gap:8px;}
  .cd-cell{padding:2px 6px;}
  .cd-cell b{font-size:13px;}
  .nav-inner{height:60px;gap:12px;}
  .brand{font-size:16px;}
  .pagehead{padding:24px 0;}
  .pagehead h1{font-size:28px;}
  .pagehead-desc{font-size:14px;}
  .section{padding:48px 0;}
  .act-grid{grid-template-columns:1fr;}
  .grid-banner{grid-column:span 1;flex-direction:column;align-items:flex-start;gap:14px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .btn-primary-rl{box-shadow:2px 2px 0 var(--ink-900);}
  .cta-strip-inner{flex-direction:column;align-items:flex-start;gap:18px;}
  .cta-strip .actions{width:100%;}
  .cta-strip .actions .btn-rl{flex:1;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .pager a.pg-nav{display:none;}
}
@media (max-width:575.98px){
  .pagehead h1{font-size:26px;}
  .section-head h2{font-size:22px;}
  .cd-cell span{display:none;}
  .act-body{padding:18px;}
  .pager a,.pager span.pg{min-width:40px;height:40px;font-size:13px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
}

/* roulang page: article */
:root{
  --ink-900:#0C1512;
  --ink-800:#13211B;
  --ink-700:#1B2C24;
  --paper-100:#F5F2EA;
  --paper-200:#EAE5D7;
  --paper-300:#DCD5C2;
  --accent-400:#C8F04B;
  --accent-500:#A9D42B;
  --accent-600:#8CB01B;
  --alert-500:#E4572E;
  --text-900:#14201A;
  --text-600:#566159;
  --text-400:#8A948C;
  --line-200:rgba(12,21,18,.10);
  --line-300:rgba(12,21,18,.18);
  --radius-card:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --radius-img:14px;
  --shadow-card:0 1px 2px rgba(12,21,18,.05),0 14px 32px rgba(12,21,18,.07);
  --shadow-hover:0 20px 44px rgba(12,21,18,.11);
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --topbar-h:40px;
  --header-h:68px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--paper-100);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--text-900);text-decoration:none;transition:color .18s ease,background-color .18s ease;}
a:hover{color:var(--accent-600);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
.container,
.container-lg,
.container-xl{max-width:1200px !important;padding-left:24px;padding-right:24px;}
a:focus-visible,
button:focus-visible,
.btn:focus-visible,
input:focus-visible{
  outline:2px solid var(--accent-600);
  outline-offset:2px;
}

/* ---------- 顶部倒计时条 ---------- */
.topbar{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--ink-900);
  color:#fff;
}
.topbar::after{
  content:"";
  position:absolute;
  right:0;
  top:0;
  bottom:0;
  width:2px;
  background:var(--accent-400);
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:var(--topbar-h);
}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0;}
.topbar-tag{
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 10px;
  border-radius:var(--radius-pill);
  background:var(--alert-500);
  color:#fff;
  font-size:11px;
  font-weight:700;
  letter-spacing:.04em;
  flex:0 0 auto;
}
.topbar-text{
  font-size:12.5px;
  color:rgba(255,255,255,.72);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.countdown{display:flex;align-items:center;gap:6px;flex:0 0 auto;}
.cd-unit{
  display:inline-flex;
  align-items:center;
  gap:3px;
  background:rgba(255,255,255,.07);
  border-radius:var(--radius-sm);
  padding:2px 8px;
  font-variant-numeric:tabular-nums;
}
.cd-unit b{
  color:var(--accent-400);
  font-size:13px;
  font-weight:800;
  line-height:1.3;
}
.cd-unit i{
  color:var(--text-400);
  font-size:11px;
  font-style:normal;
}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;
  top:var(--topbar-h);
  z-index:1020;
  background:rgba(245,242,234,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line-200);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(12,21,18,.09);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:var(--header-h);
  transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17.5px;
  font-weight:800;
  letter-spacing:.01em;
  color:var(--ink-900);
  white-space:nowrap;
}
.brand:hover{color:var(--ink-900);}
.logo-mark{
  position:relative;
  display:inline-block;
  width:26px;
  height:26px;
  border-radius:8px;
  background:var(--accent-400);
  box-shadow:2px 2px 0 var(--ink-900);
  flex:0 0 auto;
}
.logo-mark::after{
  content:"";
  position:absolute;
  inset:7px;
  border:2px solid var(--ink-900);
  border-radius:3px;
  transform:rotate(-12deg);
}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:8px 0;
  font-size:15px;
  font-weight:600;
  color:var(--text-600);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:0;
  width:0;
  height:3px;
  border-radius:2px;
  background:var(--accent-400);
  transform:translateX(-50%);
  transition:width .2s ease;
}
.nav-links a:hover{color:var(--ink-900);}
.nav-links a:hover::after,
.nav-links a.active::after{width:60%;}
.nav-links a.active{color:var(--ink-900);}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  border:1.5px solid var(--line-300);
  border-radius:var(--radius-sm);
  background:transparent;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--ink-900);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mobile-drawer{
  display:none;
  position:fixed;
  inset:0;
  z-index:1050;
  padding:96px 24px 28px;
  background:var(--ink-900);
  transform:translateX(100%);
  visibility:hidden;
  transition:transform .25s ease,visibility .25s ease;
  flex-direction:column;
}
.mobile-drawer.is-open{transform:translateX(0);visibility:visible;}
.mobile-drawer a.drawer-link{
  display:block;
  padding:16px 0;
  font-size:18px;
  font-weight:700;
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.mobile-drawer a.drawer-link:hover{color:var(--accent-400);}
.mobile-drawer .drawer-foot{margin-top:auto;padding-top:24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border:0;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:700;
  line-height:1;
  cursor:pointer;
  text-align:center;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{
  background:var(--accent-400);
  color:var(--ink-900);
  box-shadow:4px 4px 0 var(--ink-900);
}
.btn-primary:hover{
  background:var(--accent-500);
  color:var(--ink-900);
  transform:translate(2px,2px);
  box-shadow:2px 2px 0 var(--ink-900);
}
.btn-primary:active{transform:translate(4px,4px);box-shadow:0 0 0 var(--ink-900);}
.btn-ghost{
  background:transparent;
  border:1.5px solid var(--ink-900);
  color:var(--ink-900);
}
.btn-ghost:hover{background:var(--ink-900);color:var(--paper-100);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}
.btn-block{width:100%;}

/* ---------- 徽章 ---------- */
.badge-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:var(--radius-pill);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  white-space:nowrap;
}
.badge-live{background:var(--accent-400);color:var(--ink-900);}
.badge-live::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--ink-900);
}
.badge-alert{background:var(--alert-500);color:#fff;}
.badge-soft{background:var(--paper-300);color:var(--text-900);}

/* ---------- 文章头部 ---------- */
.article-head{
  padding:32px 0 30px;
  background:var(--paper-100);
  border-bottom:1px solid var(--line-200);
}
.breadcrumb-nav{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-400);
  margin-bottom:18px;
}
.breadcrumb-nav a{color:var(--text-400);}
.breadcrumb-nav a:hover{color:var(--ink-900);}
.breadcrumb-nav .sep{color:var(--line-300);}
.breadcrumb-nav .current{
  color:var(--text-600);
  max-width:52%;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.article-head h1{
  font-size:clamp(24px,3.1vw,34px);
  font-weight:800;
  line-height:1.3;
  letter-spacing:-.01em;
  margin:14px 0 16px;
  max-width:920px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--text-400);
  font-variant-numeric:tabular-nums;
}
.article-meta .dot{
  width:4px;
  height:4px;
  border-radius:50%;
  background:var(--line-300);
}

/* ---------- 主体双栏 ---------- */
.article-main{padding:48px 0 24px;}
.article-body{
  font-size:16px;
  line-height:1.9;
  color:var(--text-900);
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 18px;}
.article-body h2{
  font-size:clamp(20px,2.4vw,24px);
  font-weight:800;
  line-height:1.45;
  margin:38px 0 16px;
  padding-left:14px;
  border-left:4px solid var(--accent-400);
}
.article-body h3{
  font-size:19px;
  font-weight:700;
  line-height:1.5;
  margin:28px 0 12px;
  color:var(--text-900);
}
.article-body h4{
  font-size:16px;
  font-weight:700;
  margin:22px 0 10px;
}
.article-body ul,
.article-body ol{
  margin:0 0 18px;
  padding-left:4px;
  list-style:none;
}
.article-body ul li{
  position:relative;
  padding-left:20px;
  margin-bottom:10px;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:2px;
  top:11px;
  width:6px;
  height:6px;
  border-radius:2px;
  background:var(--accent-600);
}
.article-body ol{counter-reset:ol-item;}
.article-body ol li{
  position:relative;
  padding-left:26px;
  margin-bottom:10px;
  counter-increment:ol-item;
}
.article-body ol li::before{
  content:counter(ol-item) ".";
  position:absolute;
  left:0;
  top:0;
  font-weight:700;
  color:var(--accent-600);
}
.article-body blockquote{
  margin:24px 0;
  padding:16px 20px;
  background:var(--paper-200);
  border-left:3px solid var(--ink-700);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--text-600);
  font-size:15px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{
  color:var(--ink-900);
  text-decoration:underline;
  text-decoration-color:var(--accent-400);
  text-decoration-thickness:2px;
  text-underline-offset:3px;
}
.article-body a:hover{color:var(--accent-600);}
.article-body img{
  width:100%;
  height:auto;
  border-radius:var(--radius-img);
  margin:24px 0 10px;
  background:var(--paper-200);
}
.article-body figure{margin:24px 0;}
.article-body figure img{margin:0 0 10px;}
.article-body figcaption{
  font-size:12px;
  color:var(--text-400);
  text-align:center;
}
.article-body table{
  width:100%;
  margin:24px 0;
  border-collapse:collapse;
  font-size:15px;
  border-radius:var(--radius-sm);
  overflow:hidden;
  box-shadow:0 0 0 1px var(--line-200);
}
.article-body thead th{
  background:var(--ink-900);
  color:#fff;
  font-size:14px;
  font-weight:700;
}
.article-body th,
.article-body td{
  padding:12px 14px;
  text-align:left;
  border-bottom:1px solid var(--line-200);
}
.article-body tbody tr:nth-child(even){background:var(--paper-100);}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body code{
  background:var(--paper-200);
  border-radius:8px;
  padding:2px 7px;
  font-size:14px;
}
.article-body pre{
  background:var(--paper-200);
  border-radius:var(--radius-sm);
  padding:16px 18px;
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
}
.article-body hr{
  border:0;
  border-top:1px solid var(--line-200);
  margin:32px 0;
}

/* ---------- 内文 CTA 小卡 ---------- */
.inline-cta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  margin:32px 0 0;
  padding:20px 24px;
  background:var(--paper-200);
  border:1px solid var(--line-200);
  border-radius:var(--radius-card);
  box-shadow:4px 4px 0 rgba(12,21,18,.08);
}
.inline-cta .cta-text{
  display:flex;
  flex-direction:column;
  gap:4px;
}
.inline-cta strong{font-size:16px;font-weight:800;}
.inline-cta span{font-size:13px;color:var(--text-600);}

/* ---------- 空状态 ---------- */
.empty-state{
  border:1.5px dashed var(--line-300);
  border-radius:var(--radius-card);
  padding:44px 28px;
  text-align:center;
  background:rgba(255,255,255,.5);
}
.empty-state h2{font-size:20px;font-weight:800;margin-bottom:10px;}
.empty-state p{font-size:14px;color:var(--text-600);margin-bottom:20px;}

/* ---------- 文末区 ---------- */
.post-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-top:34px;
  padding-top:24px;
  border-top:1px solid var(--line-200);
}
.post-foot .foot-links{display:flex;gap:22px;flex-wrap:wrap;}
.post-foot .foot-links a{
  font-size:14px;
  color:var(--text-600);
  max-width:240px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  display:inline-block;
}
.post-foot .foot-links a:hover{color:var(--ink-900);}
.rel-block{margin-top:44px;}
.rel-block h3{
  font-size:18px;
  font-weight:800;
  margin-bottom:18px;
  padding-left:12px;
  border-left:4px solid var(--accent-400);
  line-height:1.2;
}
.rel-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.rel-card{
  display:block;
  background:#fff;
  border:1px solid var(--line-200);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);color:inherit;}
.rel-card .thumb{padding:8px 8px 0;}
.rel-card .thumb img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--radius-img);
  background:var(--paper-200);
}
.rel-card .body{padding:14px 16px 18px;}
.rel-card .body h4{
  font-size:15.5px;
  font-weight:700;
  line-height:1.55;
  margin:8px 0 6px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rel-card .body p{
  font-size:13px;
  color:var(--text-600);
  line-height:1.6;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

/* ---------- 侧栏 ---------- */
.article-side{
  display:flex;
  flex-direction:column;
  gap:20px;
  position:sticky;
  top:calc(var(--topbar-h) + 76px);
}
.side-card{
  background:#fff;
  border:1px solid var(--line-200);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:20px;
}
.side-card h3{
  font-size:15px;
  font-weight:800;
  letter-spacing:.02em;
  margin-bottom:16px;
  line-height:1.4;
}
.side-list{display:flex;flex-direction:column;gap:14px;}
.side-list li{list-style:none;}
.side-list a{display:flex;gap:12px;align-items:flex-start;}
.side-list a:hover .t{color:var(--accent-600);}
.side-list img{
  width:64px;
  height:64px;
  flex:0 0 64px;
  object-fit:cover;
  border-radius:10px;
  background:var(--paper-200);
}
.side-txt{display:flex;flex-direction:column;gap:4px;min-width:0;}
.side-txt .t{
  font-size:14px;
  font-weight:600;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .18s ease;
}
.side-txt .d{
  font-size:12px;
  color:var(--text-400);
  font-variant-numeric:tabular-nums;
}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag-cloud a{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:var(--radius-pill);
  background:var(--paper-200);
  font-size:13px;
  color:var(--text-600);
}
.tag-cloud a:hover{background:var(--ink-900);color:var(--paper-100);}
.side-claim{
  background:var(--ink-900);
  border-color:transparent;
  color:var(--paper-100);
  box-shadow:0 1px 0 rgba(255,255,255,.06);
}
.side-claim h3{color:#fff;}
.side-claim p{
  font-size:13px;
  line-height:1.7;
  color:rgba(255,255,255,.62);
  margin-bottom:16px;
}
.cd-mini{
  display:flex;
  gap:6px;
  margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.cd-mini .mini-box{
  flex:1;
  text-align:center;
  background:rgba(255,255,255,.07);
  border-radius:var(--radius-sm);
  padding:6px 0 8px;
}
.cd-mini .mini-box b{
  display:block;
  font-size:17px;
  font-weight:800;
  color:var(--accent-400);
  line-height:1.2;
}
.cd-mini .mini-box i{
  font-style:normal;
  font-size:11px;
  color:var(--text-400);
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:72px;
  padding:64px 0 0;
  background:var(--ink-900);
  color:rgba(255,255,255,.72);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:var(--accent-400);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand{color:#fff;font-size:17px;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand p{
  margin-top:16px;
  font-size:13.5px;
  line-height:1.8;
  color:rgba(255,255,255,.62);
  max-width:300px;
}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-tags span{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.18);
  font-size:11.5px;
  color:rgba(255,255,255,.72);
  letter-spacing:.03em;
}
.footer-col h3{
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:11px;}
.footer-col a{
  font-size:13.5px;
  color:rgba(255,255,255,.72);
  display:inline-block;
  transition:color .18s ease,transform .18s ease;
}
.footer-col a:hover{color:var(--accent-400);transform:translateX(2px);}
.footer-col p{
  font-size:13px;
  line-height:1.8;
  color:rgba(255,255,255,.62);
  margin-bottom:8px;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  padding:18px 0 22px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;
  color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:32px;}
  .footer-col:last-child{grid-column:1/-1;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .mobile-drawer{display:flex;}
  .article-side{position:static;top:auto;}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .article-main{padding:40px 0 20px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767.98px){
  :root{--topbar-h:44px;--header-h:60px;}
  .container,.container-lg,.container-xl{padding-left:20px;padding-right:20px;}
  .topbar-text{display:none;}
  .topbar-inner{min-height:44px;}
  .brand{font-size:16px;}
  .logo-mark{width:24px;height:24px;}
  .article-head{padding:24px 0 22px;}
  .breadcrumb-nav .current{max-width:100%;}
  .article-main{padding:32px 0 16px;}
  .rel-grid{grid-template-columns:1fr;}
  .inline-cta{flex-direction:column;align-items:flex-start;}
  .inline-cta .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-col:last-child{grid-column:auto;}
  .site-footer{margin-top:56px;padding-top:48px;}
}
@media (max-width:575.98px){
  .cd-unit{padding:2px 6px;}
  .cd-unit b{font-size:12px;}
  .cd-unit i{font-size:10px;}
  .header-actions .btn-sm{height:34px;padding:0 14px;font-size:13px;}
  .article-head h1{font-size:23px;}
  .post-foot{flex-direction:column;align-items:flex-start;}
  .post-foot .foot-links a{max-width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category2 */
:root{
  --ink-900:#0C1512;
  --ink-800:#13211B;
  --ink-700:#1B2C24;
  --paper-100:#F5F2EA;
  --paper-200:#EAE5D7;
  --paper-300:#DCD5C2;
  --accent-400:#C8F04B;
  --accent-500:#A9D42B;
  --accent-600:#8CB01B;
  --alert-500:#E4572E;
  --text-900:#14201A;
  --text-600:#566159;
  --text-400:#8A948C;
  --line-200:rgba(12,21,18,.10);
  --line-300:rgba(12,21,18,.18);
  --r-card:16px;
  --r-sm:12px;
  --r-pill:999px;
  --r-img:14px;
  --shadow-card:0 1px 2px rgba(12,21,18,.05),0 14px 32px rgba(12,21,18,.07);
  --shadow-hover:0 20px 44px rgba(12,21,18,.11);
  --topbar-h:40px;
  --header-h:68px;
  --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--paper-100);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;color:var(--text-900)}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit}
input,select,textarea{font-family:inherit}
::selection{background:var(--accent-400);color:var(--ink-900)}
:focus-visible{outline:2px solid var(--accent-600);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 倒计时条 ---------- */
.topbar{
  position:sticky;top:0;z-index:70;
  height:var(--topbar-h);
  background:var(--ink-900);
  color:#fff;
  display:flex;align-items:center;
  overflow:hidden;
}
.topbar::after{
  content:"";position:absolute;right:0;top:8px;bottom:8px;width:2px;
  background:var(--accent-400);
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0}
.topbar-tag{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;
  border-radius:var(--r-pill);background:var(--alert-500);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.04em;white-space:nowrap;
}
.topbar-text{font-size:13px;color:rgba(255,255,255,.72);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.countdown{display:flex;align-items:center;gap:6px;flex-shrink:0}
.cd-cell{
  display:flex;align-items:baseline;gap:2px;
  background:var(--ink-700);
  border-radius:12px;
  padding:3px 8px;
  min-width:46px;
  justify-content:center;
}
.cd-cell b{
  font-size:14px;font-weight:800;color:var(--accent-400);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1.4;
}
.cd-cell i{font-style:normal;font-size:11px;color:var(--text-400)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:var(--topbar-h);z-index:60;
  height:var(--header-h);
  background:rgba(245,242,234,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-200);
  transition:box-shadow .2s ease,height .2s ease,background-color .2s ease;
}
.site-header.scrolled{box-shadow:0 10px 26px rgba(12,21,18,.08);height:60px}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:100%}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:800;color:var(--ink-900);letter-spacing:.01em;
  white-space:nowrap;
}
.logo-mark{
  width:26px;height:26px;border-radius:8px;
  background:var(--ink-900);
  position:relative;flex-shrink:0;
}
.logo-mark::before{
  content:"";position:absolute;inset:6px;border-radius:3px;
  background:var(--accent-400);
  clip-path:polygon(50% 0%,100% 100%,0% 100%);
}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  position:relative;
  display:inline-flex;align-items:center;height:40px;padding:0 14px;
  font-size:15px;font-weight:600;color:var(--text-600);
  border-radius:var(--r-sm);
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%) scaleX(.2);
  width:60%;height:3px;border-radius:2px;background:var(--accent-400);
  opacity:0;transition:opacity .18s ease,transform .18s ease;
}
.nav-links a:hover{color:var(--ink-900)}
.nav-links a:hover::after{opacity:.55;transform:translateX(-50%) scaleX(1)}
.nav-links a.active{color:var(--ink-900);font-weight:800}
.nav-links a.active::after{opacity:1;transform:translateX(-50%) scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:var(--r-pill);
  font-size:16px;font-weight:700;line-height:1;letter-spacing:.01em;
  text-decoration:none;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease;
}
.btn-primary{
  background:var(--accent-400);color:var(--ink-900);
  box-shadow:4px 4px 0 var(--ink-900);
}
.btn-primary:hover{background:var(--accent-500);color:var(--ink-900);transform:translate(2px,2px);box-shadow:2px 2px 0 var(--ink-900)}
.btn-primary:active{transform:translate(4px,4px);box-shadow:0 0 0 var(--ink-900)}
.btn-ghost{
  background:transparent;color:var(--ink-900);
  box-shadow:inset 0 0 0 1.5px var(--ink-900);
}
.btn-ghost:hover{background:var(--ink-900);color:var(--paper-100)}
.btn-ghost:active{transform:scale(.985)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{
  display:block;width:20px;height:2px;border-radius:2px;background:var(--ink-900);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;left:0;right:0;bottom:0;
  top:calc(var(--topbar-h) + 68px);
  z-index:45;
  background:var(--ink-900);
  padding:28px 24px 32px;
  display:flex;flex-direction:column;justify-content:space-between;gap:28px;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
  overflow-y:auto;
}
.drawer.open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{
  display:flex;align-items:center;min-height:52px;padding:0 14px;
  font-size:18px;font-weight:700;color:#fff;border-radius:var(--r-sm);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-nav a:hover,.drawer-nav a:focus-visible{background:rgba(255,255,255,.06);color:var(--accent-400)}
.drawer-nav a.active{color:var(--accent-400)}
.drawer-cta{width:100%}

/* ---------- 深色页头横幅 ---------- */
.doc-hero{
  position:relative;overflow:hidden;
  background:var(--ink-900);color:#fff;
  padding:64px 0 72px;
}
.doc-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:44px 44px;
}
.doc-hero::after{
  content:"";position:absolute;right:-90px;bottom:-56px;
  width:380px;height:190px;background:var(--accent-400);opacity:.13;
  transform:rotate(-2deg) skewY(-2deg);pointer-events:none;
}
.doc-hero .container{position:relative;z-index:2}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.55);margin-bottom:20px;
}
.crumbs a{color:rgba(255,255,255,.55)}
.crumbs a:hover{color:var(--accent-400)}
.crumbs .sep{color:rgba(255,255,255,.3)}
.crumbs .now{color:rgba(255,255,255,.82)}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;margin-bottom:18px;
  border-radius:var(--r-pill);
  border:1px solid rgba(200,240,75,.45);
  color:var(--accent-400);font-size:12px;font-weight:700;letter-spacing:.06em;
}
.hero-tag::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--accent-400)}
.doc-hero h1{
  color:#fff;font-size:38px;line-height:1.18;font-weight:800;
  max-width:820px;letter-spacing:-.01em;
}
.doc-hero h1 em{font-style:normal;color:var(--accent-400)}
.hero-desc{
  margin-top:18px;max-width:680px;
  font-size:16px;line-height:1.85;color:rgba(255,255,255,.72);
}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:26px}
.update-chip{
  display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#fff;
}
.update-chip i{font-style:normal;color:rgba(255,255,255,.55)}
.update-chip b{font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:.02em}
.hero-ver{
  font-size:13px;color:rgba(255,255,255,.5);
  font-variant-numeric:tabular-nums;
}

/* ---------- 速览数字条 ---------- */
.doc-stats{background:var(--paper-200);border-bottom:1px solid var(--line-200)}
.stats-inner{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;background:var(--line-200);
  border-radius:0;
}
.stat{
  background:var(--paper-200);
  padding:22px 20px;
  display:flex;flex-direction:column;gap:4px;
}
.stat-num{
  font-size:26px;font-weight:800;color:var(--ink-900);
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;line-height:1.2;
}
.stat-num small{font-size:14px;font-weight:700;color:var(--text-600);margin-left:2px}
.stat-label{font-size:13px;color:var(--text-600);line-height:1.6}

/* ---------- 双栏文档区 ---------- */
.doc-main{background:#fff;padding:64px 0 80px}
.doc-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:48px}
.toc{
  position:sticky;top:calc(var(--topbar-h) + var(--header-h) + 16px);
  align-self:start;
  background:#fff;
  border:1px solid var(--line-200);
  border-radius:var(--r-card);
  padding:20px 18px;
  box-shadow:var(--shadow-card);
}
.toc-title{
  font-size:12px;font-weight:800;letter-spacing:.06em;color:var(--text-400);
  margin-bottom:12px;
}
.toc-list{display:flex;flex-direction:column;gap:2px;border-left:2px solid var(--line-200)}
.toc-list a{
  display:block;
  padding:8px 12px;margin-left:-2px;
  border-left:2px solid transparent;
  font-size:14px;line-height:1.6;color:var(--text-600);
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.toc-list a:hover{color:var(--ink-900);background:var(--paper-100)}
.toc-list a.active{
  border-left-color:var(--accent-400);
  color:var(--ink-900);font-weight:700;
}
.toc-foot{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line-200);
  font-size:12px;color:var(--text-400);line-height:1.7;
}

.doc-sec{padding-bottom:8px}
.doc-sec + .doc-sec{
  margin-top:36px;padding-top:36px;border-top:1px solid var(--line-200);
}
.sec-num{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:.12em;
  color:var(--accent-600);font-variant-numeric:tabular-nums;margin-bottom:8px;
}
.doc-sec h2{
  font-size:28px;line-height:1.3;font-weight:800;color:var(--ink-900);
  margin-bottom:14px;letter-spacing:-.01em;
}
.doc-sec h3{
  font-size:18px;font-weight:700;color:var(--ink-900);margin:22px 0 10px;
}
.doc-sec p{font-size:16px;line-height:1.9;color:var(--text-600);margin-bottom:14px}
.doc-sec p:last-child{margin-bottom:0}
.doc-sec strong{color:var(--text-900);font-weight:700}

.bullet-list{display:flex;flex-direction:column;gap:10px;margin:16px 0 4px}
.bullet-list li{
  position:relative;padding-left:20px;
  font-size:15px;line-height:1.8;color:var(--text-600);
}
.bullet-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:7px;height:7px;border-radius:2px;background:var(--accent-600);
}
.bullet-list li b{color:var(--text-900);font-weight:700}
.step-list{counter-reset:step;display:flex;flex-direction:column;gap:12px;margin:16px 0 4px}
.step-list li{
  position:relative;padding-left:38px;
  font-size:15px;line-height:1.8;color:var(--text-600);counter-increment:step;
}
.step-list li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:2px;
  width:26px;height:26px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  background:var(--paper-200);color:var(--ink-900);
  font-size:11px;font-weight:800;font-variant-numeric:tabular-nums;
}

.doc-figure{
  margin:24px 0 8px;
  border-radius:var(--r-img);overflow:hidden;
  background:var(--paper-200);
  border:1px solid var(--line-200);
}
.doc-figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--r-img);
}
.doc-figure figcaption{
  font-size:12px;color:var(--text-400);line-height:1.7;
  padding:10px 2px 0;
}

.table-wrap{
  margin:18px 0 8px;
  border:1px solid var(--line-200);
  border-radius:var(--r-sm);
  overflow:auto;
  -webkit-overflow-scrolling:touch;
}
.doc-table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px}
.doc-table thead th{
  background:var(--ink-900);color:#fff;
  text-align:left;padding:13px 18px;
  font-size:13px;font-weight:700;letter-spacing:.04em;white-space:nowrap;
}
.doc-table tbody td{
  padding:13px 18px;border-bottom:1px solid var(--line-200);
  color:var(--text-600);line-height:1.7;
}
.doc-table tbody td:first-child{color:var(--text-900);font-weight:700;white-space:nowrap}
.doc-table tbody tr:nth-child(even){background:var(--paper-100)}
.doc-table tbody tr:last-child td{border-bottom:0}
.doc-table td .mono{font-variant-numeric:tabular-nums;font-weight:700;color:var(--ink-900)}

.inline-cta{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  margin:22px 0 6px;padding:20px 22px;
  background:var(--paper-200);
  border-radius:var(--r-card);
  box-shadow:4px 4px 0 rgba(12,21,18,.12);
}
.inline-cta-text{display:flex;flex-direction:column;gap:4px}
.inline-cta-text strong{font-size:16px;font-weight:800;color:var(--ink-900)}
.inline-cta-text span{font-size:13px;color:var(--text-600);line-height:1.7}

/* ---------- FAQ ---------- */
.faq-block{background:var(--paper-200);padding:72px 0}
.faq-head{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:40px;align-items:start}
.faq-head h2{font-size:32px;line-height:1.25;font-weight:800}
.faq-head .faq-sub{margin-top:12px;font-size:14px;line-height:1.8;color:var(--text-600);max-width:280px}
.faq-line{border-top:1px solid var(--line-300)}
.faq-item{border-bottom:1px solid var(--line-300)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;text-align:left;
  font-size:16px;font-weight:700;color:var(--ink-900);line-height:1.6;
  min-height:44px;
}
.faq-q .sign{
  position:relative;flex-shrink:0;width:22px;height:22px;
  border-radius:50%;background:#fff;border:1px solid var(--line-300);
  transition:transform .2s ease,background-color .2s ease,border-color .2s ease;
}
.faq-q .sign::before,.faq-q .sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink-900);
  transform:translate(-50%,-50%);border-radius:1px;
}
.faq-q .sign::before{width:10px;height:2px}
.faq-q .sign::after{width:2px;height:10px;transition:opacity .2s ease}
.faq-item.open .faq-q .sign{transform:rotate(45deg);background:var(--accent-400);border-color:var(--accent-400)}
.faq-item.open .faq-q .sign::after{opacity:0}
.faq-q:hover{color:var(--accent-600)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .26s ease;
}
.faq-a p{
  padding:0 40px 22px 4px;
  font-size:15px;line-height:1.9;color:var(--text-600);
}

/* ---------- 底部提示条 ---------- */
.notice-band{background:var(--paper-200);padding:0 0 72px}
.notice-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  background:#fff;border:1px solid var(--line-200);
  border-radius:var(--r-card);padding:22px 24px;
  box-shadow:var(--shadow-card);
}
.notice-text{display:flex;align-items:flex-start;gap:12px}
.notice-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;
  background:var(--alert-500);position:relative;margin-top:2px;
}
.notice-icon::before{
  content:"";position:absolute;left:50%;top:7px;width:2px;height:8px;
  background:#fff;border-radius:1px;transform:translateX(-50%);
}
.notice-icon::after{
  content:"";position:absolute;left:50%;bottom:6px;width:3px;height:3px;
  background:#fff;border-radius:50%;transform:translateX(-50%);
}
.notice-text p{font-size:15px;line-height:1.8;color:var(--text-600)}
.notice-text strong{color:var(--text-900);font-weight:700}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--ink-900);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:-20px;height:20px;
  background:var(--ink-900);
  clip-path:polygon(0 100%,100% 0,100% 100%,0 100%);
}
.footer-grid{
  display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));
  gap:40px;padding-bottom:44px;
}
.footer-brand .brand{color:#fff;font-size:18px;margin-bottom:14px}
.footer-brand .logo-mark{background:var(--accent-400)}
.footer-brand .logo-mark::before{background:var(--ink-900)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-tags span{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);
  font-size:12px;color:rgba(255,255,255,.78);letter-spacing:.02em;
}
.footer-col h3{
  font-size:13px;font-weight:800;letter-spacing:.08em;color:#fff;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{
  font-size:14px;color:rgba(255,255,255,.72);
  transition:color .18s ease,transform .18s ease;display:inline-block;
}
.footer-col a:hover{color:var(--accent-400);transform:translateX(2px)}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin-bottom:8px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:18px 0 22px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  font-size:12px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .doc-layout{grid-template-columns:230px minmax(0,1fr);gap:36px}
}
@media (max-width:991px){
  :root{--header-h:64px}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .header-actions .btn-sm{display:none}
  .doc-layout{grid-template-columns:minmax(0,1fr);gap:28px}
  .toc{position:static;padding:14px 12px;box-shadow:none}
  .toc-title{display:none}
  .toc-list{
    flex-direction:row;gap:8px;border-left:0;
    overflow-x:auto;-webkit-overflow-scrolling:touch;
    padding-bottom:4px;
  }
  .toc-list a{
    margin-left:0;border:1px solid var(--line-200);border-radius:var(--r-pill);
    padding:7px 14px;white-space:nowrap;font-size:13px;background:var(--paper-100);
  }
  .toc-list a.active{
    border-color:var(--ink-900);background:var(--ink-900);color:#fff;
  }
  .toc-foot{display:none}
  .faq-head{grid-template-columns:minmax(0,1fr);gap:20px}
  .faq-head .faq-sub{max-width:none}
  .doc-hero{padding:52px 0 60px}
  .doc-hero h1{font-size:32px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .drawer{top:calc(var(--topbar-h) + 64px)}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .topbar{height:44px}
  :root{--topbar-h:44px}
  .topbar-text{display:none}
  .cd-cell{min-width:42px;padding:2px 6px}
  .cd-cell b{font-size:13px}
  .stats-inner{grid-template-columns:repeat(2,1fr)}
  .stat{padding:18px 16px}
  .stat-num{font-size:22px}
  .doc-hero h1{font-size:28px;line-height:1.25}
  .hero-desc{font-size:15px;margin-top:14px}
  .doc-main{padding:40px 0 56px}
  .doc-sec h2{font-size:22px}
  .doc-sec p{font-size:15px}
  .inline-cta{flex-direction:column;align-items:stretch;gap:14px;box-shadow:3px 3px 0 rgba(12,21,18,.12)}
  .inline-cta .btn{width:100%}
  .faq-block{padding:52px 0}
  .faq-head h2{font-size:26px}
  .faq-q{font-size:15px;padding:18px 2px}
  .faq-a p{padding:0 8px 18px 2px;font-size:14px}
  .notice-band{padding:0 0 52px}
  .notice-inner{flex-direction:column;align-items:stretch;gap:16px;padding:20px}
  .notice-inner .btn{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:32px}
  .site-footer{padding-top:52px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .doc-figure img{aspect-ratio:4/3}
}
@media (max-width:520px){
  .brand{font-size:16px}
  .logo-mark{width:24px;height:24px}
  .topbar-inner{gap:8px}
  .cd-cell{min-width:38px}
  .doc-hero{padding:40px 0 48px}
  .doc-hero h1{font-size:25px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}