/* roulang page: index */
/* ========== 设计变量 ========== */
:root{
  --brand:#0FBFA3;
  --brand-dark:#0A8F7B;
  --brand-soft:#E6F8F4;
  --accent:#FF8A2B;
  --accent-dark:#E06E12;
  --accent-soft:#FFF1E3;
  --ink-900:#12161C;
  --ink-800:#1B2129;
  --ink-700:#2A313B;
  --line-dark:#2A313B;
  --bg:#F6F7F4;
  --card:#FFFFFF;
  --line:#E4E7E2;
  --text:#12161C;
  --text-2:#2A313B;
  --text-3:#5C6470;
  --on-dark:#F6F7F4;
  --on-dark-2:#A9B0BA;
  --danger:#D64545;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 2px 8px rgba(18,22,28,.06);
  --shadow-2:0 12px 32px rgba(18,22,28,.10);
  --glow:0 0 0 1px rgba(15,191,163,.35),0 8px 28px rgba(15,191,163,.22);
  --split:58%;
}
/* ========== reset / base ========== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;color:var(--text-2);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
a:hover{color:var(--brand-dark);text-decoration:underline}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
button{font-family:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:.2px;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
::selection{background:var(--brand);color:#fff}
/* Foundation 覆盖 */
.grid-x{margin-left:0;margin-right:0}
.button,button{box-shadow:none}
input,textarea,select{border-radius:var(--radius-btn)}
/* ========== 容器与板块 ========== */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}
.section{padding:88px 0}
.section-dark{background:var(--ink-900);color:var(--on-dark)}
.section-dark h2,.section-dark h3{color:var(--on-dark)}
.section-soft{background:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.section-title{font-size:30px;line-height:1.26}
.section-title .bar{display:inline-block;width:6px;height:26px;background:var(--brand);border-radius:3px;margin-right:14px;vertical-align:-3px}
.section-sub{font-size:15px;color:var(--text-3);margin-top:10px;max-width:640px}
.section-dark .section-sub{color:var(--on-dark-2)}
.head-link{font-size:15px;font-weight:600;color:var(--brand-dark);white-space:nowrap}
.head-link:hover{text-decoration:underline}
.dot-texture{position:relative}
.dot-texture::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(246,247,244,.06) 1px,transparent 1px);
  background-size:16px 16px;
}
.scan-texture{position:relative}
.scan-texture::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.7;
  background-image:repeating-linear-gradient(180deg,rgba(15,191,163,.05) 0 1px,transparent 1px 7px);
}
/* ========== 按钮 ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:16px;font-weight:600;line-height:1;white-space:nowrap;text-decoration:none;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-dark);color:#fff}
.btn-brand{background:var(--brand);color:#06342c}
.btn-brand:hover{background:var(--brand-dark);color:#fff}
.btn-outline{border-color:var(--line);color:var(--text);background:#fff}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-dark);background:#fff}
.btn-outline-dark{border-color:var(--line-dark);color:var(--on-dark);background:transparent}
.btn-outline-dark:hover{border-color:var(--brand);color:var(--brand);background:rgba(15,191,163,.08)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
/* ========== 顶部倒计时条 ========== */
.top-stack{position:sticky;top:0;z-index:80}
.topbar{background:var(--ink-900);border-bottom:1px solid var(--line-dark)}
.topbar-inner{display:flex;align-items:center;gap:24px;height:44px}
.topbar-text{font-size:13px;color:var(--on-dark-2);flex:1 1 auto;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.topbar-text b{color:var(--brand);font-weight:600}
.countdown{display:flex;align-items:center;gap:6px}
.cd-cell{
  display:flex;align-items:baseline;gap:3px;background:var(--ink-800);
  border:1px solid var(--line-dark);border-radius:8px;padding:3px 8px;
}
.cd-cell b{font-size:14px;font-weight:700;color:var(--on-dark);font-variant-numeric:tabular-nums}
.cd-cell i{font-style:normal;font-size:11px;color:var(--on-dark-2)}
.topbar .btn{flex:0 0 auto}
/* ========== 主导航 ========== */
.site-header{
  background:linear-gradient(90deg,var(--bg) 0 var(--split),var(--ink-900) var(--split) 100%);
  border-bottom:1px solid var(--line);
  position:relative;
}
.site-header::after{
  content:"";position:absolute;left:var(--split);top:0;bottom:0;width:1px;background:var(--line-dark);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:64px}
.logo{display:flex;flex-direction:column;line-height:1.1;flex:0 0 auto}
.logo-line1{font-size:19px;font-weight:700;color:var(--text);letter-spacing:.5px}
.logo-line2{font-size:11px;font-weight:600;color:var(--brand-dark);letter-spacing:3px}
.logo:hover{text-decoration:none}
.logo:hover .logo-line1{color:var(--brand-dark)}
.main-nav{display:flex;align-items:center;gap:28px;flex:1 1 auto}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--text-2);
  padding:20px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:12px;height:3px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--brand-dark);text-decoration:none}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text)}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.search-box{position:relative;width:220px}
.search-box input{
  width:100%;height:40px;padding:0 40px 0 14px;font-size:14px;
  background:var(--ink-800);border:1px solid var(--line-dark);color:var(--on-dark);
  border-radius:var(--radius-btn);
}
.search-box input::placeholder{color:var(--on-dark-2)}
.search-box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,191,163,.16)}
.search-box button{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  color:var(--on-dark-2);
}
.search-box button:hover{color:var(--brand);background:rgba(15,191,163,.12)}
.search-box svg{width:16px;height:16px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line-dark);
  padding:0;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--on-dark);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--on-dark);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
/* ========== Hero ========== */
.hero{
  background:linear-gradient(90deg,var(--bg) 0 var(--split),var(--ink-900) var(--split) 100%);
  padding:80px 0 92px;position:relative;overflow:hidden;
}
.hero-inner{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--brand-dark);background:var(--brand-soft);border-radius:999px;padding:6px 14px;margin-bottom:20px;
}
.hero-kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand)}
.hero-title{font-size:40px;line-height:1.25;letter-spacing:.3px}
.hero-sub{font-size:17px;color:var(--text-3);margin-top:20px;max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:16px 40px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.hero-stats li{display:flex;flex-direction:column}
.hero-stats b{font-size:24px;font-weight:700;color:var(--text);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-stats span{font-size:13px;color:var(--text-3);margin-top:4px}
.hero-visual{position:relative}
.hero-visual .frame{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-2);border:1px solid rgba(42,49,59,.6);
}
.hero-visual .frame img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-visual::before{
  content:"";position:absolute;right:-42px;top:-38px;width:210px;height:150px;
  background:var(--brand);opacity:.16;transform:skewX(-12deg);border-radius:14px;z-index:0;
}
.hero-mini-cd{
  position:absolute;right:20px;bottom:20px;z-index:3;
  background:rgba(18,22,28,.94);border:1px solid rgba(15,191,163,.5);border-radius:12px;
  padding:12px 16px;box-shadow:var(--glow);
}
.hero-mini-cd span{display:block;font-size:12px;color:var(--on-dark-2)}
.hero-mini-cd b{
  display:block;font-size:18px;font-weight:700;color:var(--brand);margin-top:4px;
  font-variant-numeric:tabular-nums;letter-spacing:.5px;
}
/* ========== 活动卖点条带 ========== */
.feature-strip{padding:0;background:var(--ink-900);color:var(--on-dark);position:relative;overflow:hidden}
.feature-inner{padding:72px 0}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line-dark)}
.feature-item{padding:32px 28px 8px;border-left:1px solid var(--line-dark);position:relative;z-index:2}
.feature-item:first-child{border-left:0;padding-left:0}
.feature-no{
  display:block;font-size:14px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;letter-spacing:1px;margin-bottom:16px;
}
.feature-item h3{font-size:19px;line-height:1.4;margin-bottom:12px}
.feature-item p{font-size:15px;line-height:1.72;color:var(--on-dark-2)}
/* ========== 亮点图墙 ========== */
.wall-section{padding:88px 0}
.wall{
  display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:148px;
  gap:20px;grid-auto-flow:dense;
}
.wall-item{
  position:relative;border-radius:var(--radius-img);overflow:hidden;background:var(--ink-800);
  box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease;
}
.wall-item:nth-child(1){grid-row:span 2}
.wall-item:nth-child(4){grid-row:span 2}
.wall-item:nth-child(6){grid-column:span 2}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.wall-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,22,28,0) 42%,rgba(18,22,28,.82) 100%);
  transition:opacity .25s ease;
}
.wall-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.wall-item:hover img{transform:scale(1.05)}
.wall-cap{
  position:absolute;left:14px;right:14px;bottom:12px;z-index:2;color:var(--on-dark);
}
.wall-tag{
  display:inline-block;font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;
  background:rgba(15,191,163,.9);color:#04302a;margin-bottom:6px;
}
.wall-cap p{font-size:13px;color:rgba(246,247,244,.82);line-height:1.55}
/* ========== 报名 / 领取 CTA ========== */
.join-section{padding:88px 0;background:var(--ink-900);color:var(--on-dark);position:relative;overflow:hidden}
.join-inner{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;position:relative;z-index:2}
.join-copy h2{font-size:30px;line-height:1.3;color:var(--on-dark)}
.join-copy p{font-size:16px;color:var(--on-dark-2);margin-top:18px;max-width:440px}
.join-points{margin-top:28px;display:flex;flex-direction:column;gap:12px}
.join-points li{display:flex;gap:10px;font-size:15px;color:var(--on-dark-2)}
.join-points li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:2px;background:var(--brand);
}
.join-panel{
  background:var(--ink-800);border:1px solid var(--line-dark);border-radius:var(--radius-card);
  padding:32px;box-shadow:var(--shadow-2);
}
.join-panel h3{font-size:20px;color:var(--on-dark);margin-bottom:6px}
.join-panel .panel-note{font-size:13px;color:var(--on-dark-2);margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--on-dark-2);margin-bottom:8px}
.field input{
  width:100%;height:48px;padding:0 14px;font-size:15px;color:var(--on-dark);
  background:var(--ink-900);border:1px solid var(--line-dark);border-radius:var(--radius-btn);
}
.field input::placeholder{color:#6d7581}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,191,163,.18)}
.field.has-error input{border-color:var(--danger);box-shadow:0 0 0 3px rgba(214,69,69,.16)}
.field.has-ok input{border-color:var(--brand)}
.field-row{display:flex;gap:12px}
.field-row input{flex:1 1 auto;min-width:0}
.field-row .btn{flex:0 0 124px;height:48px;padding:0;font-size:14px;background:var(--brand);color:#06342c}
.field-row .btn:hover{background:var(--brand-dark);color:#fff}
.field-msg{font-size:12px;line-height:1.6;margin-top:6px;min-height:18px}
.field.has-error .field-msg{color:#FF6B6B}
.field.has-ok .field-msg{color:var(--brand)}
.form-note{font-size:12px;line-height:1.7;color:var(--on-dark-2);margin-top:14px}
.form-result{margin-top:14px;font-size:13px;color:var(--brand);min-height:20px}
/* ========== FAQ ========== */
.faq-section{padding:88px 0;background:var(--bg)}
.faq-list{max-width:900px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:60px;padding:16px 18px 16px 0;text-align:left;background:none;
  font-size:16px;font-weight:600;color:var(--text);transition:color .18s ease,background-color .18s ease;
}
.faq-q:hover{color:var(--brand-dark)}
.faq-item.is-open .faq-q{color:var(--brand-dark)}
.faq-mark{position:relative;flex:0 0 auto;width:16px;height:16px}
.faq-mark::before,.faq-mark::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .2s ease,opacity .2s ease;
}
.faq-mark::before{left:0;top:7px;width:16px;height:2px}
.faq-mark::after{left:7px;top:0;width:2px;height:16px}
.faq-item.is-open .faq-mark::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a-inner{
  position:relative;padding:0 40px 22px 18px;font-size:15px;line-height:1.8;color:var(--text-3);
}
.faq-a-inner::before{
  content:"";position:absolute;left:0;top:2px;bottom:22px;width:4px;border-radius:2px;background:var(--brand);
}
/* ========== 最新信息 ========== */
.news-section{padding:88px 0;background:#fff}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;
}
.post-link{display:flex;flex-direction:column;width:100%;text-decoration:none}
.post-link:hover{text-decoration:none}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,191,163,.3)}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-800)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.post-badge{
  align-self:flex-start;font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);margin-bottom:12px;
}
.post-title{
  font-size:16px;font-weight:600;line-height:1.5;color:var(--text);margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-desc{
  font-size:15px;line-height:1.72;color:var(--text-3);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-time{font-size:13px;color:var(--text-3);margin-top:auto;font-variant-numeric:tabular-nums}
.news-more{display:flex;justify-content:center;margin-top:40px}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;border:1px dashed var(--line);
  border-radius:var(--radius-card);background:var(--bg);
}
.empty-state .empty-ico{
  width:52px;height:52px;margin:0 auto 18px;border-radius:14px;border:1.5px solid var(--brand);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
}
.empty-state .empty-ico svg{width:24px;height:24px}
.empty-state p{font-size:15px;color:var(--text-3);margin-bottom:22px}
.empty-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
/* ========== 页脚 ========== */
.site-footer{background:var(--ink-900);color:var(--on-dark-2);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand .logo-line1{color:var(--on-dark)}
.footer-brand .logo-line2{color:var(--brand)}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:18px;max-width:320px;color:var(--on-dark-2)}
.footer-col h4{font-size:15px;color:var(--on-dark);margin-bottom:18px;font-weight:600}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:var(--on-dark-2)}
.footer-col a:hover{color:var(--brand);text-decoration:none}
.footer-col address{font-style:normal;font-size:14px;line-height:1.9}
.footer-col address b{color:var(--on-dark);font-weight:600}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--line-dark);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;align-items:center;
}
.footer-bottom p{font-size:13px;color:var(--on-dark-2)}
.footer-bottom span{font-size:13px;color:var(--on-dark-2)}
/* ========== 移动端抽屉 / 常驻 CTA ========== */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,22,28,.55);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:var(--ink-900);
  z-index:100;transform:translateX(102%);transition:transform .28s ease;
  padding:24px 22px 32px;overflow-y:auto;display:flex;flex-direction:column;gap:22px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{font-size:13px;color:var(--on-dark-2);border:1px solid var(--line-dark);border-radius:8px;padding:6px 12px}
.drawer-close:hover{color:var(--brand);border-color:var(--brand)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  font-size:16px;font-weight:600;color:var(--on-dark);padding:15px 2px;border-bottom:1px solid var(--line-dark);
}
.drawer-nav a.is-active{color:var(--brand)}
.drawer-search{position:relative}
.drawer-search input{
  width:100%;height:44px;padding:0 40px 0 14px;background:var(--ink-800);
  border:1px solid var(--line-dark);color:var(--on-dark);font-size:14px;
}
.drawer-search input::placeholder{color:#6d7581}
.drawer-search button{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);width:30px;height:30px;
  display:flex;align-items:center;justify-content:center;color:var(--on-dark-2);
}
.drawer-search svg{width:16px;height:16px}
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;height:56px;
  align-items:center;justify-content:center;background:var(--accent);color:#fff;
  font-size:16px;font-weight:600;
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-cta:hover{color:#fff;text-decoration:none;background:var(--accent-dark)}
/* ========== 响应式 ========== */
@media (max-width:1279px){
  .container{padding:0 32px}
  .nav-inner{gap:22px}
  .main-nav{gap:20px}
  .nav-link{font-size:14px}
  .search-box{width:180px}
  .hero-title{font-size:36px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  :root{--split:100%}
  .site-header{background:var(--ink-900)}
  .site-header::after{display:none}
  .logo-line1{color:var(--on-dark)}
  .logo-line2{color:var(--brand)}
  .logo:hover .logo-line1{color:var(--brand)}
  .main-nav,.search-box,.nav-actions .btn{display:none}
  .nav-toggle{display:flex}
  .nav-actions{margin-left:auto}
  .hero{background:var(--bg);padding:56px 0 64px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-title{font-size:32px}
  .hero-visual::before{display:none}
  .hero-visual .frame{border-color:var(--line)}
  .section,.wall-section,.join-section,.faq-section,.news-section{padding:64px 0}
  .feature-inner{padding:56px 0}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .feature-item{border-left:0;border-top:1px solid var(--line-dark);padding:26px 24px 6px}
  .feature-item:nth-child(odd){padding-left:0;padding-right:28px}
  .feature-item:nth-child(-n+2){border-top:0}
  .wall{grid-template-columns:repeat(2,1fr);grid-auto-rows:132px}
  .wall-item:nth-child(1),.wall-item:nth-child(4){grid-row:span 2}
  .wall-item:nth-child(6){grid-column:span 2}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .join-inner{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 16px}
  .topbar-inner{height:36px;gap:12px}
  .topbar-text{font-size:12px}
  .cd-cell{padding:2px 6px}
  .cd-cell b{font-size:13px}
  .topbar .btn{height:32px;padding:0 12px;font-size:13px}
  .nav-inner{height:56px}
  .hero-title{font-size:28px;line-height:1.32}
  .hero-sub{font-size:15px;margin-top:16px}
  .hero-actions{gap:12px}
  .hero-actions .btn{flex:1 1 auto;min-width:140px}
  .hero-stats{gap:14px 28px;margin-top:32px;padding-top:22px}
  .hero-stats b{font-size:20px}
  .hero-mini-cd{right:12px;bottom:12px;padding:10px 12px}
  .hero-mini-cd b{font-size:16px}
  .section-title{font-size:24px}
  .section-title .bar{height:22px;margin-right:10px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:32px}
  .feature-inner{padding:48px 0}
  .feature-grid{grid-template-columns:1fr}
  .feature-item{padding:22px 0 0;border-top:1px solid var(--line-dark)}
  .feature-item:nth-child(odd){padding-right:0}
  .feature-item:nth-child(-n+2){border-top:1px solid var(--line-dark)}
  .feature-item:first-child{border-top:0}
  .wall{grid-template-columns:repeat(2,1fr);grid-auto-rows:118px;gap:12px}
  .wall-item:nth-child(1),.wall-item:nth-child(4){grid-row:span 2}
  .wall-item:nth-child(6){grid-column:span 2}
  .wall-cap{left:10px;right:10px;bottom:10px}
  .wall-cap p{display:none}
  .wall-tag{font-size:11px;padding:2px 8px;margin-bottom:0}
  .join-panel{padding:24px 20px}
  .field-row{flex-wrap:wrap}
  .field-row .btn{flex:1 1 100%}
  .faq-q{font-size:15px;padding-right:12px}
  .faq-a-inner{padding:0 20px 20px 16px;font-size:15px}
  .post-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .mobile-cta{display:flex}
  body{padding-bottom:56px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none !important;animation:none !important}
  .btn:hover,.wall-item:hover,.post-card:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --brand:#0FBFA3; --brand-dark:#0A8F7B; --brand-soft:#E6F8F4;
  --accent:#FF8A2B; --accent-dark:#E06E12; --accent-soft:#FFF1E3;
  --dark:#12161C; --dark-2:#1B2129; --dark-line:#2A313B;
  --bg:#F6F7F4; --card:#FFFFFF; --line:#E4E7E2;
  --text:#12161C; --body:#2A313B; --muted:#5C6470;
  --on-dark:#F6F7F4; --on-dark-2:#A9B0BA;
  --danger:#D64545;
  --r-card:16px; --r-img:12px; --r-btn:10px; --r-badge:999px;
  --sh1:0 2px 8px rgba(18,22,28,.06);
  --sh2:0 12px 32px rgba(18,22,28,.10);
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:28px;color:var(--body);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-dark)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{color:var(--text);font-weight:700;letter-spacing:.2px}
input,button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";font-weight:700}

/* ============ 顶部条 + 倒计时 ============ */
.top-wrap{position:sticky;top:0;z-index:60}
.countdown-bar{background:var(--dark);color:var(--on-dark);border-bottom:1px solid var(--dark-line)}
.countdown-inner{display:flex;align-items:center;gap:20px;height:44px;font-size:13px}
.cd-label{color:var(--on-dark-2);letter-spacing:.4px;white-space:nowrap}
.cd-clock{display:flex;align-items:center;gap:8px;margin-left:auto}
.cd-cell{display:flex;align-items:baseline;gap:3px;background:var(--dark-2);border:1px solid var(--dark-line);border-radius:8px;padding:2px 9px;font-size:13px}
.cd-cell b{color:var(--brand);font-size:15px;font-variant-numeric:tabular-nums}
.cd-cell i{font-style:normal;color:var(--on-dark-2);font-size:11px}
.btn-xs{height:28px;padding:0 14px;font-size:12px;border-radius:var(--r-badge)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
  will-change:transform;
}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh1)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh1)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--sh1)}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh2)}
.btn-accent:active{transform:translateY(0);box-shadow:var(--sh1)}
.btn-ghost{background:transparent;color:var(--text);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--sh1)}
.btn-ghost-light{background:transparent;color:var(--on-dark);border:1.5px solid rgba(246,247,244,.35)}
.btn-ghost-light:hover{color:#fff;border-color:var(--brand);transform:translateY(-2px)}

/* ============ 导航（分屏） ============ */
.site-header{
  background:linear-gradient(to right,var(--bg) 0,var(--bg) 50%,var(--dark) 50%,var(--dark) 100%);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(18,22,28,.04);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:64px}
.logo{display:flex;flex-direction:column;line-height:1.05;font-weight:700;color:var(--text)}
.logo-line1{font-size:17px;letter-spacing:1px}
.logo-line2{font-size:12px;font-weight:600;color:var(--brand-dark);letter-spacing:2px}
.site-header .logo:hover{color:var(--text)}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:12px}
.nav-link{position:relative;font-size:15px;font-weight:600;color:var(--body);padding:6px 0}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease}
.nav-link:hover{color:var(--brand-dark)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-dark)}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.search-box{position:relative;width:220px}
.search-box input{
  width:100%;height:40px;border-radius:var(--r-btn);
  background:var(--dark-2);border:1px solid var(--dark-line);color:var(--on-dark);
  padding:0 44px 0 14px;font-size:14px;transition:border-color .18s ease,background-color .18s ease;
}
.search-box input::placeholder{color:#7C848F}
.search-box input:focus{border-color:var(--brand);background:#1F262F;outline:none;box-shadow:0 0 0 3px rgba(15,191,163,.18)}
.search-box button{position:absolute;right:6px;top:50%;transform:translateY(-50%);width:30px;height:30px;border-radius:8px;color:var(--on-dark-2);display:flex;align-items:center;justify-content:center}
.search-box button:hover{color:var(--brand);background:rgba(15,191,163,.12)}
.search-box svg{width:17px;height:17px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--dark-line);background:var(--dark-2);position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:11px;width:20px;height:2px;background:var(--on-dark);border-radius:2px;content:"";transition:transform .2s ease}
.nav-toggle span{top:20px}
.nav-toggle span::before{top:-6px;left:0}
.nav-toggle span::after{top:6px;left:0}

/* ============ 页头 banner ============ */
.page-banner{
  position:relative;
  min-height:262px;display:flex;align-items:center;
  background-image:linear-gradient(100deg,rgba(18,22,28,.82) 0%,rgba(18,22,28,.45) 62%,rgba(18,22,28,.5) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:var(--on-dark);
}
.page-banner .container{padding-top:44px;padding-bottom:44px}
.crumb{font-size:13px;color:var(--on-dark-2);margin-bottom:14px}
.crumb a{color:var(--on-dark-2)}
.crumb a:hover{color:#fff}
.crumb span{color:#fff}
.page-banner h1{color:#fff;font-size:40px;line-height:48px;max-width:780px}
.page-banner .sub{margin-top:14px;font-size:16px;line-height:28px;color:#D6DBE0;max-width:620px}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-badge);
  font-size:12px;font-weight:600;line-height:1;
}
.badge-brand{background:rgba(15,191,163,.16);color:#5CE3CD;border:1px solid rgba(15,191,163,.4)}
.badge-accent{background:rgba(255,138,43,.16);color:#FFB37A;border:1px solid rgba(255,138,43,.4)}
.badge-light{background:var(--brand-soft);color:var(--brand-dark)}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--muted)}

/* ============ 通用板块 ============ */
.section{padding:var(--sec) 0}
.section-tight{padding:64px 0}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-dark);letter-spacing:2px;text-transform:uppercase}
.sec-kicker::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}
.sec-head h2{font-size:30px;line-height:38px;margin-top:12px}
.sec-head p{margin-top:14px;color:var(--muted);font-size:16px;line-height:28px}
.section-dark{background:var(--dark);color:var(--on-dark)}
.section-dark h2,.section-dark h3,.section-dark h4{color:#fff}
.section-dark .sec-head p,.section-dark .sec-kicker{color:var(--on-dark-2)}
.section-dark .sec-kicker{color:#5CE3CD}
.dot-grid{position:relative}
.dot-grid::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(246,247,244,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.35;
}
.dot-grid > .container{position:relative;z-index:1}

/* ============ Z 型图文 ============ */
.zigzag{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:44px 0;border-top:1px solid var(--line)}
.zigzag:first-child{border-top:0;padding-top:0}
.zigzag-media{position:relative}
.zigzag-media img{width:100%;height:320px;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--sh2)}
.zigzag-media::after{
  content:"";position:absolute;width:120px;height:120px;border-radius:20px;background:var(--brand-soft);
  transform:rotate(12deg);z-index:-1;right:-18px;bottom:-18px;
}
.zigzag-body h3{font-size:22px;line-height:30px;margin-bottom:14px}
.zigzag-body p{color:var(--muted);margin-bottom:16px}
.zigzag-index{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--brand-soft);color:var(--brand-dark);font-weight:700;font-size:14px;margin-bottom:16px}
.check-list li{position:relative;padding-left:26px;margin-bottom:10px;font-size:15px;line-height:26px;color:var(--body)}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:3px;background:var(--brand-soft);
  border:1.5px solid var(--brand);
}
.zigzag.reverse .zigzag-media{order:2}
.zigzag.reverse .zigzag-body{order:1}

/* ============ 步骤条 ============ */
.steps{display:flex;align-items:flex-start;position:relative;margin-top:8px}
.step{flex:1;text-align:center;padding:0 16px;position:relative}
.step-num{
  width:52px;height:52px;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;
  margin:0 auto 18px;position:relative;z-index:2;box-shadow:0 0 0 8px var(--bg),0 8px 20px rgba(15,191,163,.28);
}
.step:not(:last-child)::after{
  content:"";position:absolute;top:26px;left:50%;width:100%;border-top:2px dashed #C9D2CB;z-index:1;
}
.step h4{font-size:18px;line-height:26px;margin-bottom:8px}
.step p{font-size:15px;line-height:26px;color:var(--muted)}

/* ============ 卡片网格 ============ */
.grid-x{display:flex;flex-wrap:wrap}
.card-grid{margin:0 -12px}
.card-grid > .cell{padding:0 12px;margin-bottom:24px}
.info-card{
  height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(15,191,163,.35)}
.info-card .card-icon{
  width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.info-card .card-icon svg{width:22px;height:22px}
.info-card h3{font-size:18px;line-height:26px;margin-bottom:10px}
.info-card p{font-size:15px;line-height:26px;color:var(--muted);margin-bottom:18px}
.info-card .card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}
.card-link{font-size:14px;font-weight:600;color:var(--brand-dark);display:inline-flex;align-items:center;gap:6px}
.card-link svg{width:15px;height:15px;transition:transform .2s ease}
.card-link:hover svg{transform:translateX(3px)}

/* 图文卡（含缩略图） */
.media-card{
  height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(15,191,163,.35)}
.media-card .thumb{position:relative;overflow:hidden;border-radius:0}
.media-card .thumb img{width:100%;height:170px;object-fit:cover;border-radius:0;transition:transform .35s ease}
.media-card:hover .thumb img{transform:scale(1.04)}
.media-card .thumb .tag{position:absolute;left:12px;bottom:12px}
.media-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;height:100%}
.media-card h3{font-size:17px;line-height:26px;margin-bottom:10px}
.media-card p{font-size:15px;line-height:26px;color:var(--muted);margin-bottom:16px}
.meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;margin-top:auto}
.dot{width:3px;height:3px;border-radius:50%;background:#C4CAC4;display:inline-block}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;text-align:left;
  min-height:60px;padding:14px 16px 14px 18px;font-size:16px;font-weight:600;color:var(--text);
  position:relative;transition:background-color .18s ease;
}
.faq-q::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:4px;border-radius:3px;background:var(--brand);transform:scaleY(0);transition:transform .2s ease}
.faq-q:hover{background:#FAFBF9}
.faq-item.is-open .faq-q::before{transform:scaleY(1)}
.faq-q .plus{margin-left:auto;flex:0 0 22px;width:22px;height:22px;position:relative}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;background:var(--brand-dark);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.faq-q .plus::before{left:0;top:10px;width:22px;height:2px}
.faq-q .plus::after{left:10px;top:0;width:2px;height:22px}
.faq-item.is-open .faq-q .plus::after{transform:scaleY(0);opacity:0}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .26s ease}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a > div{overflow:hidden}
.faq-a p{padding:0 46px 22px 18px;font-size:15px;line-height:26px;color:var(--muted)}

/* ============ 深色 CTA ============ */
.cta-box{
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
  background:var(--dark);border:1px solid var(--dark-line);border-radius:24px;
  padding:52px 48px;position:relative;overflow:hidden;
}
.cta-box::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:32px;
  background:linear-gradient(135deg,rgba(15,191,163,.28),rgba(255,138,43,.16));transform:rotate(12deg);
}
.cta-box > *{position:relative;z-index:1}
.cta-box h2{font-size:30px;line-height:38px;color:#fff}
.cta-box p{margin-top:14px;color:var(--on-dark-2);font-size:16px;line-height:28px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-facts{display:flex;gap:36px;margin-top:26px;flex-wrap:wrap}
.cta-facts .fact b{display:block;font-size:26px;line-height:32px;color:var(--brand);font-variant-numeric:tabular-nums}
.cta-facts .fact span{font-size:13px;color:var(--on-dark-2)}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:var(--on-dark-2);padding:72px 0 28px;border-top:1px solid var(--dark-line)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo-line2{color:var(--brand)}
.footer-brand p{font-size:14px;line-height:25px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:var(--on-dark-2)}
.footer-col ul a:hover{color:var(--brand)}
.footer-col address{font-style:normal;font-size:14px;line-height:26px}
.footer-col address b{color:#DCE1E7;font-weight:600}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--dark-line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7C848F;
}
.footer-bottom span{font-variant-numeric:tabular-nums}

/* 移动端底部 CTA 条 */
.mobile-cta{display:none}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 24px}
  .page-banner h1{font-size:34px;line-height:44px}
}
@media (max-width:1023px){
  :root{--sec:64px}
  .site-header{background:var(--dark);border-bottom:1px solid var(--dark-line)}
  .site-header .logo{color:#fff}
  .site-header .logo-line2{color:var(--brand)}
  .nav-inner{height:56px;gap:14px}
  .nav-actions .search-box,.nav-actions .btn-sm{display:none}
  .nav-toggle{display:block;margin-left:auto}
  .main-nav{
    position:fixed;top:0;right:0;width:290px;max-width:86vw;height:100vh;
    background:var(--dark);border-left:1px solid var(--dark-line);
    flex-direction:column;align-items:flex-start;gap:0;margin:0;
    padding:88px 24px 32px;transform:translateX(102%);transition:transform .28s ease;
    z-index:80;overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0)}
  .main-nav .nav-link{width:100%;padding:15px 0;font-size:16px;color:#E9EDF1;border-bottom:1px solid var(--dark-line)}
  .main-nav .nav-link.is-active{color:var(--brand)}
  .drawer-extra{width:100%;margin-top:26px;display:flex;flex-direction:column;gap:14px}
  .drawer-extra .search-box{width:100%}
  .drawer-extra .btn{width:100%}
  .nav-backdrop{position:fixed;inset:0;background:rgba(18,22,28,.5);opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:70}
  .nav-backdrop.is-open{opacity:1;pointer-events:auto}
  .page-banner{min-height:220px}
  .page-banner h1{font-size:30px;line-height:40px}
  .zigzag{grid-template-columns:1fr;gap:26px;padding:34px 0}
  .zigzag-media img{height:250px}
  .zigzag.reverse .zigzag-media{order:0}
  .zigzag.reverse .zigzag-body{order:0}
  .cta-box{grid-template-columns:1fr;padding:40px 30px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .mobile-cta{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:65;
    padding:8px 12px calc(8px + env(safe-area-inset-bottom));background:rgba(18,22,28,.96);
    border-top:1px solid var(--dark-line);
  }
  .mobile-cta .btn{width:100%;height:48px}
  body{padding-bottom:74px}
}
@media (max-width:639px){
  :root{--sec:48px}
  .container{padding:0 16px}
  .countdown-inner{height:36px;gap:10px;font-size:12px}
  .cd-label{max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .cd-cell{padding:1px 7px}
  .cd-cell b{font-size:13px}
  .cd-cell i{display:none}
  .countdown-inner .btn-xs{height:24px;padding:0 10px;font-size:11px}
  .page-banner .container{padding-top:32px;padding-bottom:32px}
  .page-banner h1{font-size:28px;line-height:36px}
  .sec-head h2{font-size:24px;line-height:32px}
  .sec-head p{font-size:15px}
  .zigzag-media img{height:210px}
  .steps{flex-direction:column;gap:0}
  .step{text-align:left;padding:0 0 0 74px;min-height:96px;position:relative}
  .step-num{position:absolute;left:0;top:0;margin:0;box-shadow:0 0 0 6px var(--bg)}
  .step:not(:last-child)::after{
    content:"";position:absolute;left:25px;top:52px;width:0;height:calc(100% - 52px);
    border-top:0;border-left:2px dashed #C9D2CB;
  }
  .cta-box{padding:32px 20px;border-radius:18px}
  .cta-box h2{font-size:24px;line-height:32px}
  .cta-facts{gap:22px}
  .cta-facts .fact b{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:6px}
  .faq-a p{padding-right:18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --brand:#0FBFA3;
  --brand-dark:#0A8F7B;
  --brand-soft:#E6F8F4;
  --accent:#FF8A2B;
  --accent-dark:#E06E12;
  --accent-soft:#FFF1E3;
  --ink:#12161C;
  --ink-2:#1B2129;
  --line-dark:#2A313B;
  --bg:#F6F7F4;
  --card:#FFFFFF;
  --line:#E4E7E2;
  --text:#2A313B;
  --muted:#5C6470;
  --on-dark:#F6F7F4;
  --on-dark-2:#A9B0BA;
  --danger:#D64545;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-1:0 2px 8px rgba(18,22,28,.06);
  --shadow-2:0 12px 32px rgba(18,22,28,.10);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:28px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-dark);}
button{font-family:var(--font);}
input,select,textarea{font-family:var(--font);}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 40px;}
.sticky-top{position:sticky;top:0;z-index:90;}

/* 倒计时条 */
.countdown-bar{background:var(--ink);color:var(--on-dark);}
.cd-inner{height:44px;display:flex;align-items:center;justify-content:space-between;gap:18px;}
.cd-text{font-size:13px;color:var(--on-dark-2);display:inline-flex;align-items:center;gap:8px;}
.cd-text::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(15,191,163,.16);}
.cd-clock{display:flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums;}
.cd-cell{display:inline-flex;align-items:baseline;gap:3px;}
.cd-cell b{font-size:15px;font-weight:700;color:var(--on-dark);letter-spacing:.02em;}
.cd-cell i{font-style:normal;font-size:12px;color:var(--on-dark-2);}
.cd-sep{color:var(--line-dark);font-weight:700;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-xs{height:30px;padding:0 14px;font-size:13px;border-radius:8px;}
.btn-block{width:100%;}
.btn-primary{background:var(--brand);color:#04241F;}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-accent{background:var(--accent);color:#3A1B00;}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-ghost{border-color:var(--line);background:#fff;color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-ghost-dark{border-color:rgba(246,247,244,.24);background:transparent;color:var(--on-dark);}
.btn-ghost-dark:hover{border-color:var(--brand);color:#fff;background:rgba(255,255,255,.06);transform:translateY(-2px);}
.btn:active{transform:translateY(0);box-shadow:none;}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;}

/* 导航 */
.site-header{position:relative;background:var(--ink);border-bottom:1px solid rgba(42,49,59,.85);}
.site-header::before{content:"";position:absolute;left:0;top:0;bottom:0;width:50%;background:var(--bg);}
.nav-inner{position:relative;z-index:2;height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.logo{display:inline-flex;flex-direction:column;justify-content:center;line-height:1.15;text-decoration:none;}
.logo-line1{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.02em;}
.logo-line2{font-size:11px;font-weight:600;color:var(--brand-dark);letter-spacing:.16em;}
.site-footer .logo .logo-line1{color:var(--on-dark);}
.site-footer .logo .logo-line2{color:var(--brand);}
.main-nav{display:flex;align-items:center;gap:24px;margin-left:28px;flex:1;}
.nav-link{position:relative;font-size:15px;font-weight:600;color:var(--ink);padding-bottom:2px;}
.nav-link:hover{color:var(--brand-dark);}
.nav-link.is-active{color:var(--ink);}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-20px;height:3px;border-radius:2px;background:var(--brand);}
.nav-actions{display:flex;align-items:center;gap:14px;}
.search-box{display:flex;align-items:center;height:40px;width:220px;background:var(--ink-2);border:1px solid var(--line-dark);border-radius:var(--r-btn);overflow:hidden;}
.search-box input{flex:1;min-width:0;height:100%;border:0;background:transparent;color:var(--on-dark);font-size:14px;padding:0 12px;outline:none;}
.search-box input::placeholder{color:#79828F;}
.search-box button{width:40px;height:100%;display:grid;place-items:center;border:0;background:transparent;color:var(--brand);cursor:pointer;}
.search-box button svg{width:18px;height:18px;}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;cursor:pointer;place-items:center;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;box-shadow:0 -6px 0 var(--ink),0 6px 0 var(--ink);}

/* 抽屉 */
.nav-drawer{position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;background:#fff;z-index:120;padding:24px 22px 32px;transform:translateX(102%);transition:transform .28s ease;box-shadow:var(--shadow-2);overflow-y:auto;}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-close{width:34px;height:34px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--muted);font-size:18px;line-height:1;cursor:pointer;}
.drawer-nav{display:flex;flex-direction:column;margin:14px 0 18px;}
.drawer-nav a{padding:13px 2px;border-bottom:1px dashed var(--line);font-size:15px;font-weight:600;color:var(--ink);}
.drawer-nav a:hover{color:var(--brand-dark);}
.drawer-search{display:flex;align-items:center;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);overflow:hidden;background:#fff;margin-bottom:16px;}
.drawer-search input{flex:1;min-width:0;height:100%;border:0;outline:none;padding:0 12px;font-size:14px;background:transparent;color:var(--text);}
.drawer-search button{width:44px;height:100%;border:0;background:transparent;color:var(--brand-dark);display:grid;place-items:center;cursor:pointer;}
.drawer-mask{position:fixed;inset:0;background:rgba(18,22,28,.5);z-index:110;opacity:0;visibility:hidden;transition:opacity .25s ease;}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* 文章头部 */
.article-hero{padding:44px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand-dark);text-decoration:underline;}
.breadcrumb .sep{color:#B7BDB4;}
.breadcrumb .current{color:var(--text);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-h1{font-size:32px;line-height:42px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-top:18px;padding-bottom:26px;border-bottom:1px solid var(--line);}
.meta-badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand-dark);font-weight:600;}
.meta-time,.meta-num{font-variant-numeric:tabular-nums;}

/* 正文布局 */
.article-wrap{padding:40px 0 72px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:48px;align-items:start;}
.article-main{max-width:780px;min-width:0;}
.article-body{font-size:17px;line-height:1.9;color:var(--text);word-break:break-word;}
.article-body > * + *{margin-top:20px;}
.article-body p{margin:0;}
.article-body h1,.article-body h2,.article-body h3,.article-body h4{color:var(--ink);font-weight:700;}
.article-body h2{position:relative;font-size:24px;line-height:34px;margin-top:40px;padding-left:16px;}
.article-body h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--brand);}
.article-body h3{font-size:19px;line-height:30px;margin-top:28px;}
.article-body h4{font-size:17px;line-height:26px;margin-top:22px;}
.article-body ul{padding-left:4px;}
.article-body ul > li{position:relative;padding-left:18px;margin:8px 0;}
.article-body ul > li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:1px;background:var(--brand);}
.article-body ol{padding-left:24px;list-style:decimal;}
.article-body ol > li{margin:8px 0;padding-left:4px;}
.article-body ol > li::marker{color:var(--brand-dark);font-weight:700;}
.article-body blockquote{background:var(--brand-soft);border-left:4px solid var(--brand);border-radius:8px;padding:20px;color:#1C574C;font-size:16px;line-height:28px;}
.article-body blockquote p{margin:0;}
.article-body img{border-radius:var(--r-img);width:100%;height:auto;margin:24px 0;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;line-height:20px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body a{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--ink);}
.article-body strong{color:var(--ink);font-weight:700;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.article-body table{width:100%;border-collapse:collapse;font-size:14px;line-height:24px;margin:24px 0;}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);}
.article-body th{font-size:14px;font-weight:600;color:var(--ink);background:var(--brand-soft);}
.article-body tbody tr:nth-child(even) td{background:#FAFBF9;}
.article-body pre{background:var(--ink);color:#E9EEF3;border-radius:var(--r-img);padding:20px;font-size:14px;line-height:1.7;overflow-x:auto;margin:24px 0;}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;background:#EEF1EC;border-radius:5px;padding:2px 6px;color:#1C574C;}
.article-body pre code{background:transparent;padding:0;color:inherit;}
.empty-state{text-align:center;padding:56px 24px;border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;}
.empty-state svg{width:44px;height:44px;color:var(--brand);margin:0 auto 16px;}
.empty-state h2{padding:0;font-size:22px;line-height:30px;margin-bottom:10px;}
.empty-state h2::before{display:none;}
.empty-state p{font-size:15px;line-height:26px;color:var(--muted);margin-bottom:22px !important;}

/* 侧栏 */
.article-aside{position:sticky;top:132px;display:flex;flex-direction:column;gap:20px;}
.aside-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow-1);}
.aside-card h3{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.aside-card h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--brand);}
.hot-list a{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px;font-weight:600;color:var(--text);}
.hot-list li:last-child a{border-bottom:0;padding-bottom:0;}
.hot-list a:hover{color:var(--brand-dark);}
.hot-num{flex:0 0 22px;height:22px;border-radius:7px;background:var(--brand-soft);color:var(--brand-dark);font-size:12px;font-weight:700;display:grid;place-items:center;font-variant-numeric:tabular-nums;}
.hot-list li:nth-child(1) .hot-num{background:var(--accent-soft);color:var(--accent-dark);}
.aside-note{font-size:13px;line-height:22px;color:var(--muted);}
.aside-note b{display:block;color:var(--ink);font-size:14px;margin-bottom:6px;}

/* 标签与分享 */
.article-foot{margin-top:44px;padding-top:26px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;align-items:center;gap:12px;}
.tag{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;font-size:13px;color:var(--text);}
.tag:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);}
.share-row{margin-left:auto;display:flex;gap:10px;}
.share-btn{width:36px;height:36px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;color:var(--muted);display:grid;place-items:center;cursor:pointer;transition:.18s ease;}
.share-btn svg{width:18px;height:18px;}
.share-btn:hover{color:var(--brand-dark);border-color:var(--brand);transform:translateY(-2px);}
.share-toast{font-size:13px;color:var(--brand-dark);font-weight:600;opacity:0;transition:opacity .2s ease;}
.share-toast.is-show{opacity:1;}

/* 通用板块与卡片 */
.section{padding:0 0 72px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;}
.section-head h2{font-size:24px;line-height:34px;font-weight:700;color:var(--ink);}
.section-head p{font-size:14px;line-height:24px;color:var(--muted);margin-top:6px;}
.link-more{font-size:14px;font-weight:600;color:var(--brand-dark);display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{color:var(--ink);}
.related-grid{margin-left:-12px;margin-right:-12px;}
.related-grid > .cell{padding-left:12px;padding-right:12px;margin-bottom:24px;}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;height:100%;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,191,163,.32);}
.card-media{position:relative;aspect-ratio:16/9;background:#EDF0EB;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-media img{transform:scale(1.05);}
.card-tag{position:absolute;left:12px;bottom:12px;height:24px;padding:0 12px;border-radius:var(--r-pill);background:rgba(18,22,28,.74);color:#fff;font-size:12px;display:inline-flex;align-items:center;}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:16px;line-height:24px;font-weight:600;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{font-size:15px;line-height:26px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-time{font-size:13px;color:var(--muted);margin-top:auto;font-variant-numeric:tabular-nums;}

/* CTA 深色区 */
.cta-band{position:relative;background:var(--ink);color:var(--on-dark);padding:56px 0;overflow:hidden;}
.cta-band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(246,247,244,.16) 1px,transparent 1px);background-size:18px 18px;opacity:.35;}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-inner h2{font-size:26px;line-height:36px;color:var(--on-dark);}
.cta-inner p{font-size:15px;line-height:26px;color:var(--on-dark-2);margin-top:10px;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{background:var(--ink);color:var(--on-dark-2);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;border-bottom:1px solid var(--line-dark);}
.footer-brand p{font-size:14px;line-height:25px;margin-top:16px;max-width:340px;}
.footer-col h4{font-size:15px;font-weight:600;color:var(--on-dark);margin-bottom:16px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:var(--on-dark-2);}
.footer-col a:hover{color:var(--brand);}
.footer-col address{font-style:normal;font-size:14px;line-height:26px;}
.footer-col address b{color:var(--on-dark);font-weight:600;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:22px 0 26px;font-size:13px;color:#7D8590;}
.footer-bottom p{margin:0;}

/* 响应式 */
@media (max-width:1199px){
  .main-nav{gap:18px;margin-left:20px;}
  .nav-link{font-size:14px;}
  .search-box{width:190px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .article-layout{grid-template-columns:1fr;}
  .article-aside{display:none;}
  .article-main{max-width:100%;}
  .cta-inner h2{font-size:23px;line-height:33px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:899px){
  .main-nav,.search-box{display:none;}
  .nav-toggle{display:grid;}
  .site-header::before{width:100%;}
  .site-header{background:var(--bg);}
  .nav-inner{height:56px;}
  .logo-line1{font-size:15px;}
  .article-hero{padding:32px 0 0;}
  .cd-inner{height:36px;}
}
@media (max-width:639px){
  .container{padding:0 16px;}
  .countdown-bar .cd-text{display:none;}
  .cd-inner{justify-content:space-between;gap:12px;}
  .article-h1{font-size:26px;line-height:36px;}
  .article-wrap{padding:28px 0 56px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:21px;line-height:30px;margin-top:32px;}
  .article-body h3{font-size:18px;line-height:28px;}
  .section{padding:0 0 52px;}
  .section-head h2{font-size:21px;line-height:30px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .cta-band{padding:44px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .share-row{margin-left:0;width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category2 */
:root{
  --brand:#0FBFA3;
  --brand-dark:#0A8F7B;
  --brand-soft:#E6F8F4;
  --accent:#FF8A2B;
  --accent-dark:#E06E12;
  --accent-soft:#FFF1E3;
  --ink:#12161C;
  --ink-2:#1B2129;
  --ink-line:#2A313B;
  --bg:#F6F7F4;
  --card:#FFFFFF;
  --line:#E4E7E2;
  --text:#2A313B;
  --muted:#5C6470;
  --on-dark:#F6F7F4;
  --on-dark-2:#A9B0BA;
  --danger:#D64545;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-1:0 2px 8px rgba(18,22,28,.06);
  --shadow-2:0 12px 32px rgba(18,22,28,.10);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:28px;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark);text-decoration:underline}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
h1,h2,h3,h4{font-weight:700;color:var(--ink);margin:0 0 14px;line-height:1.25}
h1{font-size:40px;line-height:48px;letter-spacing:-.5px}
h2{font-size:30px;line-height:38px;letter-spacing:-.3px}
h3{font-size:22px;line-height:30px}
h4{font-size:18px;line-height:26px}
p{margin:0 0 14px}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}
.section{padding:88px 0}
.section-alt{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:1.4px;color:var(--brand-dark);background:var(--brand-soft);padding:5px 12px;border-radius:999px;margin-bottom:16px}
.eyebrow-dark{color:#7FE6D6;background:rgba(15,191,163,.14)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head p{color:var(--muted);font-size:16px;line-height:28px;margin:0}
.gutter-24{margin-left:-12px;margin-right:-12px}
.gutter-24>.cell{padding-left:12px;padding-right:12px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
  text-align:center;white-space:nowrap;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn:active{transform:translateY(0);box-shadow:none}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,138,43,.24)}
.btn-accent:hover{background:var(--accent-dark);color:#fff;box-shadow:0 10px 24px rgba(255,138,43,.32)}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(15,191,163,.24)}
.btn-brand:hover{background:var(--brand-dark);color:#fff}
.btn-outline{border-color:rgba(15,191,163,.5);color:var(--brand-dark);background:#fff}
.btn-outline:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-dark)}
.btn-ghost{border-color:rgba(246,247,244,.35);color:var(--on-dark);background:transparent}
.btn-ghost:hover{border-color:var(--brand);color:#7FE6D6}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-xs{height:30px;padding:0 14px;font-size:13px;border-radius:8px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}

/* 顶部倒计时条 */
.promo-bar{position:sticky;top:0;z-index:70;background:var(--ink);color:var(--on-dark)}
.promo-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:44px}
.promo-text{display:flex;align-items:center;gap:8px;margin:0;font-size:14px;color:var(--on-dark-2)}
.promo-dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(15,191,163,.18);flex:none}
.countdown{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums;font-size:14px;color:var(--on-dark)}
.cd-item{display:inline-flex;align-items:baseline;gap:3px;background:var(--ink-2);border:1px solid var(--ink-line);border-radius:8px;padding:3px 9px}
.cd-item b{font-weight:700;color:var(--brand);letter-spacing:.5px}
.cd-item i{font-style:normal;font-size:12px;color:var(--on-dark-2)}
.cd-sep{color:var(--ink-line)}

/* 导航 */
.site-header{
  position:sticky;top:44px;z-index:60;
  background:linear-gradient(90deg,#F6F7F4 0%,#F6F7F4 50%,#12161C 50%,#12161C 100%);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:64px}
.logo{display:inline-flex;flex-direction:column;line-height:1.15;flex:none}
.logo-line1{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.6px}
.logo-line2{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:2.4px}
.site-footer .logo-line1,.site-footer .logo-line2{color:var(--on-dark)}
.site-footer .logo-line2{color:var(--on-dark-2)}
.main-nav{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;font-size:15px;font-weight:600;color:#2A313B;padding:6px 0}
.nav-link:hover{color:var(--brand-dark);text-decoration:none}
.nav-link.is-active{color:var(--ink)}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-13px;height:3px;border-radius:2px;background:var(--brand)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:16px}
.search-box{position:relative;display:flex;align-items:center;width:220px;background:#1B2129;border:1px solid var(--ink-line);border-radius:10px;overflow:hidden;transition:border-color .2s ease}
.search-box:focus-within{border-color:var(--brand)}
.search-box input[type="search"]{flex:1;height:38px;margin:0;padding:0 12px;border:0;background:transparent;color:var(--on-dark);font-size:14px;box-shadow:none}
.search-box input[type="search"]::placeholder{color:#7A828D}
.search-box button{width:40px;height:38px;border:0;background:transparent;color:var(--on-dark-2);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:color .2s ease}
.search-box button:hover{color:var(--brand)}
.search-box svg{width:16px;height:16px}
.nav-toggle{display:none;width:42px;height:38px;border:1px solid var(--ink-line);border-radius:10px;background:#1B2129;cursor:pointer;position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:50%;transform:translateX(-50%);width:18px;height:2px;border-radius:2px;background:var(--on-dark);content:""}
.nav-toggle span{top:18px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(18,22,28,.55);z-index:190;opacity:0;pointer-events:none;transition:opacity .28s ease}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:84%;max-width:340px;background:var(--ink);z-index:200;transform:translateX(102%);transition:transform .3s ease;padding:24px 22px;display:flex;flex-direction:column;gap:4px;overflow-y:auto}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--ink-line);background:var(--ink-2);color:var(--on-dark);font-size:18px;line-height:1;cursor:pointer}
.mobile-drawer .nav-link{color:var(--on-dark);font-size:16px;padding:14px 4px;border-bottom:1px solid rgba(42,49,59,.7)}
.mobile-drawer .nav-link.is-active{color:var(--brand)}
.mobile-drawer .nav-link.is-active::after{display:none}
.mobile-drawer .nav-link.is-active::before{content:"";position:absolute;left:-22px;top:16px;bottom:16px;width:3px;border-radius:2px;background:var(--brand)}
.drawer-cta{margin-top:22px}

/* 页头 banner */
.page-banner{position:relative;min-height:280px;display:flex;align-items:center;background-size:cover;background-position:center;background-repeat:no-repeat;overflow:hidden}
.page-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(18,22,28,.86) 0%,rgba(18,22,28,.62) 52%,rgba(18,22,28,.45) 100%)}
.page-banner::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(246,247,244,.055) 1px,transparent 1px);background-size:22px 22px}
.page-banner .container{position:relative;z-index:2;padding-top:56px;padding-bottom:56px}
.page-banner h1{color:var(--on-dark);margin-bottom:14px;max-width:760px}
.banner-sub{color:var(--on-dark-2);font-size:16px;line-height:28px;margin:0;max-width:620px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;line-height:20px;color:var(--on-dark-2);margin-bottom:18px}
.breadcrumb a{color:var(--on-dark-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span{color:#5C6470}

/* 数据速览条 */
.stats-wrap{padding:0 0 8px}
.stats-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-2);margin-top:-44px;position:relative;z-index:5}
.stat{background:var(--card);padding:26px 24px}
.stat b{display:block;font-size:30px;line-height:38px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:-.5px}
.stat b em{font-style:normal;font-size:16px;font-weight:600;color:var(--brand-dark);margin-left:4px}
.stat span{display:block;font-size:13px;line-height:20px;color:var(--muted);margin-top:6px}

/* 深色福利区 */
.dark-section{position:relative;background:var(--ink);color:var(--on-dark);padding:88px 0;overflow:hidden}
.dark-section::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(246,247,244,.05) 1px,transparent 1px);background-size:24px 24px;pointer-events:none}
.dark-section .container{position:relative;z-index:2}
.dark-section h2,.dark-section h3,.dark-section h4{color:var(--on-dark)}
.dark-section .section-head p{color:var(--on-dark-2)}

/* 福利卡片瀑布 */
.wcard{position:relative;background:var(--ink-2);border:1px solid var(--ink-line);border-radius:var(--r-card);padding:28px 24px 24px;margin:0 0 24px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.wcard:hover{transform:translateY(-4px);border-color:rgba(15,191,163,.5);box-shadow:0 0 0 1px rgba(15,191,163,.28),0 12px 30px rgba(15,191,163,.16)}
.wcard-badge{position:absolute;top:-12px;left:24px;display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:600;line-height:1;color:#fff;background:var(--brand)}
.wcard-badge.is-accent{background:var(--accent)}
.wcard-badge.is-soft{background:var(--ink-2);color:#7FE6D6;border:1px solid rgba(15,191,163,.45)}
.wcard h3{font-size:22px;line-height:30px;margin:8px 0 10px}
.wcard p{color:var(--on-dark-2);font-size:15px;line-height:26px;margin:0 0 18px}
.wcard-timer{display:flex;align-items:center;gap:6px;background:#12161C;border:1px solid var(--ink-line);border-radius:10px;padding:8px 12px;font-size:13px;color:var(--on-dark-2);margin-bottom:18px;font-variant-numeric:tabular-nums}
.wcard-timer b{font-size:17px;font-weight:700;color:var(--brand);letter-spacing:.5px}
.wcard-timer i{font-style:normal;font-size:12px;color:#7A828D;margin-right:6px}
.wcard-foot{display:flex;align-items:center;justify-content:space-between;gap:12px}
.wcard-quota{font-size:13px;color:#7A828D}
.fall-offset{margin-top:0}

/* 流程 */
.flow-visual img{width:100%;border-radius:var(--r-card);box-shadow:var(--shadow-2)}
.steps{position:relative;margin-top:8px}
.step{position:relative;display:flex;gap:18px;padding-bottom:28px}
.step:last-child{padding-bottom:0}
.step-num{flex:none;width:36px;height:36px;border-radius:50%;background:var(--brand);color:#fff;font-size:15px;font-weight:700;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(15,191,163,.26);z-index:2}
.step:not(:last-child) .step-num::after{content:"";position:absolute;left:17px;top:36px;bottom:0;width:2px;background:repeating-linear-gradient(180deg,rgba(15,191,163,.5) 0 6px,transparent 6px 12px)}
.step-body h3{font-size:18px;line-height:26px;margin:6px 0 6px}
.step-body p{margin:0;color:var(--muted);font-size:15px;line-height:26px}

/* 规则要点卡片 */
.info-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px;height:100%;box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,191,163,.4)}
.info-icon{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand-dark);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.info-icon svg{width:22px;height:22px}
.info-card h3{font-size:19px;line-height:28px;margin-bottom:10px}
.info-card p{color:var(--muted);font-size:15px;line-height:26px;margin:0}
.info-card ul{margin-top:12px}
.info-card li{position:relative;padding-left:16px;font-size:15px;line-height:26px;color:var(--muted);margin-bottom:6px}
.info-card li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:1px;background:var(--brand)}

/* FAQ */
.faq-list{max-width:900px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-item::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 3px 3px 0;background:var(--brand);opacity:0;transition:opacity .25s ease}
.faq-item.is-open::before{opacity:1}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;min-height:60px;padding:14px 16px;border:0;background:transparent;cursor:pointer;font-size:16px;font-weight:600;color:var(--ink);text-align:left;line-height:26px;transition:color .2s ease,padding-left .25s ease}
.faq-q:hover{color:var(--brand-dark)}
.faq-item.is-open .faq-q{padding-left:22px;color:var(--ink)}
.faq-icon{position:relative;flex:none;width:22px;height:22px;border-radius:50%;border:1px solid var(--line);transition:border-color .2s ease,background-color .2s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--muted);border-radius:2px;transition:transform .25s ease,background-color .2s ease}
.faq-icon::before{left:6px;right:6px;top:10px;height:2px}
.faq-icon::after{top:6px;bottom:6px;left:10px;width:2px}
.faq-item.is-open .faq-icon{border-color:var(--brand);background:var(--brand-soft)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--brand-dark)}
.faq-item.is-open .faq-icon::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{margin:0;padding:0 16px 22px 22px;color:var(--muted);font-size:15px;line-height:26px}

/* CTA 表单 */
.cta-dark{position:relative;background:var(--ink);color:var(--on-dark);padding:88px 0;overflow:hidden}
.cta-dark::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(246,247,244,.045) 1px,transparent 1px);background-size:22px 22px}
.cta-dark .container{position:relative;z-index:2}
.cta-dark h2{color:var(--on-dark);font-size:30px;line-height:38px}
.cta-dark p{color:var(--on-dark-2)}
.cta-points{margin:22px 0 0}
.cta-points li{position:relative;padding-left:22px;color:var(--on-dark-2);font-size:15px;line-height:30px}
.cta-points li::before{content:"";position:absolute;left:0;top:13px;width:8px;height:8px;border-radius:2px;background:var(--brand)}
.join-form{background:var(--ink-2);border:1px solid var(--ink-line);border-radius:var(--r-card);padding:28px 24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--on-dark);margin-bottom:8px}
.field-row{display:flex;gap:12px}
.field-row input{flex:1}
.code-btn{flex:none;height:48px;border-color:rgba(15,191,163,.55);color:#7FE6D6;background:transparent}
.code-btn:hover{background:rgba(15,191,163,.12);color:#7FE6D6;border-color:var(--brand)}
.join-form input[type="tel"],.join-form input[type="text"]{
  width:100%;height:48px;margin:0;padding:0 14px;border:1px solid var(--ink-line);border-radius:var(--r-btn);
  background:#12161C;color:var(--on-dark);font-size:15px;box-shadow:none;font-variant-numeric:tabular-nums;transition:border-color .2s ease,box-shadow .2s ease;
}
.join-form input::placeholder{color:#6E7681}
.join-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,191,163,.2);outline:none}
.join-form input.is-error{border-color:var(--danger);box-shadow:0 0 0 3px rgba(214,69,69,.18)}
.field-tip{margin:8px 0 0;font-size:13px;line-height:20px;color:#7A828D}
.field-tip.is-error{color:#FF8A8A}
.field-tip.is-ok{color:#7FE6D6}
.form-note{margin:14px 0 0;font-size:12px;line-height:20px;color:#7A828D}
.form-status{margin:14px 0 0;font-size:14px;line-height:22px;color:#7FE6D6;display:none}
.form-status.is-show{display:block}

/* 页脚 */
.site-footer{background:var(--ink);color:var(--on-dark-2);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand p{margin:18px 0 0;font-size:14px;line-height:26px;color:var(--on-dark-2);max-width:340px}
.footer-col h4{font-size:15px;color:var(--on-dark);margin-bottom:18px;letter-spacing:.4px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--on-dark-2)}
.footer-col a:hover{color:var(--brand)}
.footer-col address{font-style:normal;font-size:14px;line-height:28px;color:var(--on-dark-2)}
.footer-col address b{color:#D8DDE3;font-weight:600}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:56px;padding-top:22px;border-top:1px solid var(--ink-line);font-size:13px;line-height:20px;color:#7A828D}
.footer-bottom p{margin:0;font-size:13px}

/* 响应式 */
@media (max-width:1279px){
  .container{padding:0 32px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .dark-section,.cta-dark{padding:64px 0}
  h1{font-size:32px;line-height:40px}
  h2{font-size:26px;line-height:34px}
  .main-nav{display:none}
  .search-box{display:none}
  .nav-toggle{display:block}
  .nav-inner{height:56px}
  .site-header{top:36px}
  .promo-inner{height:36px}
  .stats-strip{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .fall-offset{margin-top:40px}
}
@media (max-width:639px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .dark-section,.cta-dark{padding:48px 0}
  h1{font-size:28px;line-height:36px}
  h2{font-size:24px;line-height:32px}
  .page-banner{min-height:200px}
  .page-banner .container{padding-top:36px;padding-bottom:36px}
  .promo-text{display:none}
  .promo-inner{justify-content:space-between}
  .countdown{font-size:13px}
  .cd-item{padding:2px 7px}
  .stats-strip{margin-top:-32px}
  .stat{padding:20px 18px}
  .stat b{font-size:24px;line-height:32px}
  .section-head{margin-bottom:32px}
  .fall-offset{margin-top:0}
  .field-row{flex-direction:column}
  .code-btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;margin-top:36px}
  .wcard{padding:24px 18px 20px}
  .join-form{padding:22px 18px}
  .cta-dark h2{font-size:24px;line-height:32px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
  .btn:hover,.wcard:hover,.info-card:hover{transform:none}
}

/* roulang page: category3 */
/* ================= 设计变量 ================= */
:root{
  --brand:#0FBFA3;
  --brand-dark:#0A8F7B;
  --brand-soft:#E6F8F4;
  --accent:#FF8A2B;
  --accent-dark:#E06E12;
  --accent-soft:#FFF1E3;
  --ink:#12161C;
  --ink-2:#1B2129;
  --ink-line:#2A313B;
  --bg:#F6F7F4;
  --card:#FFFFFF;
  --border:#E4E7E2;
  --text:#2A313B;
  --title:#12161C;
  --muted:#5C6470;
  --on-dark:#F6F7F4;
  --on-dark-2:#A9B0BA;
  --danger:#D64545;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-1:0 2px 8px rgba(18,22,28,.06);
  --shadow-2:0 12px 32px rgba(18,22,28,.10);
  --glow:0 0 0 1px rgba(15,191,163,.35),0 8px 28px rgba(15,191,163,.22);
  --sp:88px;
  --container:1200px;
  --pad:40px;
}

/* ================= 基础重置 ================= */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:var(--brand-dark);}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
:focus{outline:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
::selection{background:var(--brand-soft);color:var(--brand-dark);}

/* Foundation 覆盖 */
body,p,h1,h2,h3,h4,h5,h6,li,a,span,b,i,strong,small,button,input{font-family:inherit;}
.card{margin-bottom:0;border:none;background:none;}
.button{font-family:inherit;}

/* ================= 容器与区块 ================= */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:var(--pad);
  padding-right:var(--pad);
}
.section{padding:var(--sp) 0;}
.section--tight{padding:calc(var(--sp) * .72) 0;}
.section-head{max-width:780px;margin-bottom:44px;}
.section-head h2{
  font-size:30px;
  line-height:1.27;
  font-weight:700;
  color:var(--title);
  margin-bottom:14px;
}
.section-head p{font-size:16px;line-height:1.75;color:var(--muted);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--brand-dark);
  background:var(--brand-soft);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:16px;
  letter-spacing:.4px;
}
.eyebrow svg{width:14px;height:14px;}

/* ================= 顶部倒计时条 ================= */
.sticky-stack{position:sticky;top:0;z-index:60;}
.topbar{
  background:var(--ink);
  border-bottom:1px solid var(--ink-line);
  height:44px;
  display:flex;
  align-items:center;
}
.topbar .container{
  display:flex;
  align-items:center;
  gap:18px;
  width:100%;
}
.topbar-text{
  flex:1 1 auto;
  min-width:0;
  font-size:13px;
  color:var(--on-dark-2);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.topbar-text b{color:var(--brand);font-weight:600;}
.countdown{display:flex;align-items:center;gap:6px;}
.cd-cell{
  display:flex;
  align-items:baseline;
  gap:3px;
  background:var(--ink-2);
  border:1px solid var(--ink-line);
  border-radius:8px;
  padding:2px 9px;
}
.cd-cell b{
  font-size:14px;
  font-weight:700;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  letter-spacing:.5px;
}
.cd-cell i{font-style:normal;font-size:11px;color:var(--on-dark-2);}
.topbar .btn{flex:0 0 auto;}

/* ================= 按钮 ================= */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border:1px solid transparent;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease;
}
.btn svg{width:17px;height:17px;}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:var(--accent-dark);color:#fff;}
.btn-brand{background:var(--brand);color:#fff;}
.btn-brand:hover{background:var(--brand-dark);color:#fff;}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--text);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);background:#fff;}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:var(--brand-soft);color:var(--brand-dark);}
.btn-outline-light{background:transparent;border-color:rgba(246,247,244,.34);color:var(--on-dark);}
.btn-outline-light:hover{border-color:var(--brand);color:var(--brand);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-xs{height:30px;padding:0 13px;font-size:13px;}
.btn-block{width:100%;}

/* ================= 导航 ================= */
.site-header{
  position:relative;
  background:var(--bg);
  border-bottom:1px solid var(--border);
}
.site-header::after{
  content:"";
  position:absolute;
  top:0;right:0;bottom:0;
  width:0;
  background:var(--ink);
  z-index:1;
  display:none;
}
@media (min-width:1024px){
  .site-header::after{display:block;width:calc(500px + max(0px,(100vw - 1200px) / 2));}
}
.nav-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  gap:28px;
  height:64px;
}
.logo{
  display:inline-flex;
  flex-direction:column;
  justify-content:center;
  line-height:1.15;
  flex:0 0 auto;
}
.logo-line1{
  font-size:16px;
  font-weight:700;
  letter-spacing:.6px;
  color:var(--title);
}
.logo-line2{
  font-size:10.5px;
  letter-spacing:2.4px;
  color:var(--muted);
}
.main-nav{display:flex;align-items:center;flex:0 0 auto;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:64px;
  padding:0 14px;
  font-size:15px;
  font-weight:600;
  color:var(--text);
}
.nav-link:hover{color:var(--brand-dark);}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:13px;
  height:3px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease;
}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--title);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.search-box{
  display:flex;
  align-items:center;
  width:220px;
  height:40px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:10px;
  overflow:hidden;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,191,163,.16);}
.search-box input{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  padding:0 12px;
  font-size:14px;
}
.search-box input::placeholder{color:var(--muted);}
.search-box input:focus{outline:none;}
.search-box button{
  flex:0 0 auto;
  width:40px;
  height:100%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--muted);
  transition:color .2s ease, background-color .2s ease;
}
.search-box button:hover{color:var(--brand-dark);}
.search-box svg{width:18px;height:18px;}
@media (min-width:1024px){
  .search-box{background:var(--ink-2);border-color:var(--ink-line);}
  .search-box input{color:var(--on-dark);}
  .search-box input::placeholder{color:var(--on-dark-2);}
  .search-box button{color:var(--on-dark-2);}
  .search-box button:hover{color:var(--brand);background:rgba(15,191,163,.08);}
  .search-box:focus-within{border-color:var(--brand);box-shadow:var(--glow);}
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--border);
  border-radius:10px;
  background:#fff;
  align-items:center;
  justify-content:center;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--title);
  border-radius:2px;
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--title);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ================= 移动抽屉 ================= */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(18,22,28,.56);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease, visibility .25s ease;
  z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(88vw,360px);
  background:var(--ink);
  color:var(--on-dark);
  z-index:90;
  padding:22px 22px 32px;
  display:flex;
  flex-direction:column;
  gap:18px;
  overflow-y:auto;
  transform:translateX(102%);
  transition:transform .28s cubic-bezier(.4,0,.2,1);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-head .logo-line1{color:var(--on-dark);}
.drawer-head .logo-line2{color:var(--on-dark-2);}
.drawer-close{
  width:38px;height:38px;
  border:1px solid var(--ink-line);
  border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--on-dark-2);
  transition:border-color .2s ease,color .2s ease;
}
.drawer-close:hover{border-color:var(--brand);color:var(--brand);}
.drawer-close svg{width:18px;height:18px;}
.search-box--drawer{width:100%;background:var(--ink-2);border-color:var(--ink-line);}
.search-box--drawer input{color:var(--on-dark);}
.search-box--drawer input::placeholder{color:var(--on-dark-2);}
.search-box--drawer button{color:var(--on-dark-2);}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--ink-line);}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 4px;
  font-size:16px;font-weight:600;
  color:var(--on-dark);
  border-bottom:1px solid var(--ink-line);
}
.drawer-nav a span{font-size:12px;color:var(--on-dark-2);font-weight:400;}
.drawer-nav a:hover{color:var(--brand);}
.drawer-nav a.is-active{color:var(--brand);}

/* ================= 页头 Banner ================= */
.page-banner{
  position:relative;
  background-color:var(--ink);
  background-image:linear-gradient(90deg,rgba(18,22,28,.90) 0%,rgba(18,22,28,.66) 52%,rgba(18,22,28,.45) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
  color:var(--on-dark);
  overflow:hidden;
}
.page-banner .container{
  position:relative;
  z-index:2;
  min-height:268px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding-top:46px;
  padding-bottom:46px;
}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--on-dark-2);
  margin-bottom:16px;
}
.crumbs a{color:var(--on-dark-2);}
.crumbs a:hover{color:var(--brand);}
.crumbs i{font-style:normal;opacity:.6;}
.page-banner h1{
  font-size:40px;
  line-height:1.2;
  font-weight:700;
  color:var(--on-dark);
  margin-bottom:14px;
  max-width:820px;
}
.page-banner h1 em{
  font-style:normal;
  color:var(--brand);
}
.page-lede{
  font-size:16px;
  line-height:1.75;
  color:#D3D8DE;
  max-width:640px;
  margin-bottom:26px;
}
.banner-facts{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.fact{
  display:inline-flex;
  align-items:baseline;
  gap:7px;
  font-size:13px;
  color:var(--on-dark-2);
  background:rgba(27,33,41,.72);
  border:1px solid var(--ink-line);
  border-radius:999px;
  padding:6px 15px;
}
.fact b{
  font-size:15px;
  font-weight:700;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
}

/* ================= 卡片网格 ================= */
.grid-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
@media (max-width:1023px){.grid-cards{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:639px){.grid-cards{grid-template-columns:1fr;}}

.card{
  position:relative;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,191,163,.32);}
.card-icon{
  width:46px;height:46px;
  border-radius:13px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;
}
.card-icon svg{width:22px;height:22px;}
.card h3{
  font-size:19px;
  line-height:1.45;
  font-weight:600;
  color:var(--title);
  margin-bottom:10px;
}
.card p{font-size:15px;line-height:1.73;color:var(--muted);}
.card-meta{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--border);
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:600;
  border-radius:999px;
  padding:4px 12px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  letter-spacing:.3px;
}
.tag--accent{background:var(--accent-soft);color:var(--accent-dark);}
.tag--ink{background:#EEF0EC;color:var(--muted);}

/* ================= 时间线 ================= */
.timeline-wrap{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:44px 44px 34px;
  box-shadow:var(--shadow-1);
}
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";
  position:absolute;
  left:5px;top:10px;bottom:10px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--brand) 0%,rgba(15,191,163,.30) 70%,rgba(15,191,163,.08) 100%);
}
.tl-item{position:relative;padding-bottom:38px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:-33px;top:9px;
  width:10px;height:10px;
  border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px var(--brand-soft);
}
.tl-item .step-tag{
  display:inline-flex;
  align-items:center;
  font-size:12px;
  font-weight:700;
  letter-spacing:1px;
  color:var(--brand-dark);
  background:var(--brand-soft);
  border-radius:999px;
  padding:3px 12px;
  margin-bottom:12px;
  font-variant-numeric:tabular-nums;
}
.tl-item h3{
  font-size:22px;
  line-height:1.36;
  font-weight:600;
  color:var(--title);
  margin-bottom:10px;
}
.tl-item > p{
  font-size:15px;
  line-height:1.73;
  color:var(--muted);
  margin-bottom:14px;
  max-width:760px;
}
.tl-points{display:grid;gap:9px;max-width:760px;}
.tl-points li{
  position:relative;
  padding-left:22px;
  font-size:15px;
  line-height:1.7;
  color:var(--text);
}
.tl-points li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--brand-soft);
  border:1.5px solid var(--brand);
}
.tl-points li b{color:var(--title);font-weight:600;}

/* ================= 图文分栏 ================= */
.split{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
@media (max-width:1023px){
  .split{grid-template-columns:1fr;gap:32px;}
}
.split h2{
  font-size:30px;
  line-height:1.27;
  font-weight:700;
  color:var(--title);
  margin-bottom:16px;
}
.split p{font-size:16px;line-height:1.75;color:var(--muted);margin-bottom:22px;}
.check-list{display:grid;gap:14px;margin-bottom:28px;}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  line-height:1.7;
  color:var(--text);
}
.check-list .ck{
  flex:0 0 auto;
  width:22px;height:22px;
  border-radius:7px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  display:inline-flex;align-items:center;justify-content:center;
  margin-top:4px;
}
.check-list .ck svg{width:13px;height:13px;}
.check-list b{color:var(--title);font-weight:600;}
.split-media{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  box-shadow:var(--shadow-2);
}
.split-media img{width:100%;border-radius:var(--r-img);aspect-ratio:4/3;object-fit:cover;}
.split-media::after{
  content:"";
  position:absolute;
  right:-28px;bottom:-28px;
  width:140px;height:140px;
  background:var(--accent);
  opacity:.16;
  transform:skewX(-12deg);
  pointer-events:none;
}
.split-figure-cap{
  position:absolute;
  left:18px;bottom:18px;
  z-index:2;
  font-size:12px;
  font-weight:600;
  color:var(--on-dark);
  background:rgba(18,22,28,.72);
  border:1px solid rgba(246,247,244,.18);
  border-radius:999px;
  padding:5px 14px;
  backdrop-filter:blur(2px);
}

/* ================= FAQ ================= */
.faq{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:10px 32px;
  box-shadow:var(--shadow-1);
}
.faq-item{border-bottom:1px solid var(--border);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  position:relative;
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:60px;
  padding:14px 4px 14px 14px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--title);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand-dark);}
.faq-item.is-open .faq-q::before{
  content:"";
  position:absolute;
  left:0;top:12px;bottom:12px;
  width:4px;
  border-radius:2px;
  background:var(--brand);
}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:8px;
  border:1px solid var(--border);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--muted);
  transition:transform .25s ease, border-color .25s ease, color .25s ease, background-color .25s ease;
}
.faq-icon svg{width:14px;height:14px;}
.faq-item.is-open .faq-icon{
  transform:rotate(45deg);
  border-color:var(--brand);
  color:var(--brand-dark);
  background:var(--brand-soft);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a-inner{
  padding:0 44px 22px 14px;
  font-size:15px;
  line-height:1.73;
  color:var(--muted);
}

/* ================= CTA 深色区 ================= */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  color:var(--on-dark);
  border-radius:22px;
  padding:52px 48px;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:44px;
  align-items:center;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(246,247,244,.08) 1px, transparent 1px);
  background-size:16px 16px;
  opacity:.55;
  pointer-events:none;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:240px;height:240px;
  background:var(--brand);
  opacity:.12;
  transform:skewX(-12deg);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{
  font-size:30px;
  line-height:1.3;
  font-weight:700;
  color:var(--on-dark);
  margin-bottom:14px;
}
.cta-band p{font-size:15px;line-height:1.75;color:var(--on-dark-2);max-width:520px;}
.cta-actions{display:flex;flex-direction:column;gap:14px;}
.cta-actions .btn{justify-content:center;}
.cta-note{
  font-size:12.5px;
  line-height:1.7;
  color:var(--on-dark-2);
  border-top:1px solid var(--ink-line);
  padding-top:14px;
  font-variant-numeric:tabular-nums;
}
@media (max-width:1023px){
  .cta-band{grid-template-columns:1fr;gap:28px;padding:40px 28px;}
  .cta-band h2{font-size:25px;}
}

/* ================= 页脚 ================= */
.site-footer{
  background:var(--ink);
  color:var(--on-dark-2);
  padding:64px 0 26px;
  margin-top:var(--sp);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:36px;
  padding-bottom:38px;
  border-bottom:1px solid var(--ink-line);
}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px;}}
@media (max-width:639px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand .logo{display:inline-flex;margin-bottom:16px;}
.footer-brand .logo-line1{color:var(--on-dark);}
.footer-brand .logo-line2{color:var(--on-dark-2);}
.footer-brand p{font-size:14px;line-height:1.75;max-width:340px;color:var(--on-dark-2);}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:var(--on-dark);
  margin-bottom:16px;
  letter-spacing:.4px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--on-dark-2);}
.footer-col a:hover{color:var(--brand);}
.footer-col address{
  font-style:normal;
  font-size:14px;
  line-height:2;
  color:var(--on-dark-2);
}
.footer-col address b{color:var(--on-dark);font-weight:600;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  align-items:center;
  justify-content:space-between;
  padding-top:22px;
  font-size:13px;
  color:var(--on-dark-2);
}
.footer-bottom span{font-variant-numeric:tabular-nums;}

/* ================= 响应式 ================= */
@media (max-width:1279px){
  :root{--container:1120px;}
}
@media (max-width:1023px){
  :root{--sp:64px;--pad:24px;}
  .main-nav,.nav-actions .search-box,.nav-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-inner{height:56px;justify-content:space-between;}
  .logo-line1{font-size:15px;}
  .logo-line2{font-size:10px;letter-spacing:2px;}
  .topbar{height:36px;}
  .topbar-text{font-size:12px;}
  .cd-cell{padding:1px 7px;}
  .cd-cell b{font-size:13px;}
  .cd-cell i{font-size:10px;}
  .page-banner h1{font-size:32px;}
  .page-banner .container{min-height:230px;padding-top:36px;padding-bottom:36px;}
  .timeline-wrap{padding:32px 28px 24px;}
  .split h2,.section-head h2,.cta-band h2{font-size:26px;}
  .faq{padding:6px 22px;}
  .faq-a-inner{padding-right:24px;}
}
@media (max-width:639px){
  :root{--sp:48px;--pad:16px;}
  body{font-size:15px;}
  .topbar-text{display:none;}
  .topbar .container{justify-content:space-between;gap:10px;}
  .countdown{gap:4px;}
  .cd-cell{padding:1px 6px;border-radius:7px;}
  .cd-cell b{font-size:12.5px;}
  .cd-cell i{display:none;}
  .topbar .btn{height:26px;padding:0 10px;font-size:12px;}
  .page-banner .container{min-height:210px;padding-top:28px;padding-bottom:28px;}
  .page-banner h1{font-size:28px;line-height:1.29;}
  .page-lede{font-size:15px;}
  .fact{padding:5px 12px;font-size:12px;}
  .card{padding:22px;}
  .timeline{padding-left:26px;}
  .timeline::before{left:4px;}
  .tl-item::before{left:-26px;top:8px;width:9px;height:9px;}
  .tl-item h3{font-size:19px;}
  .tl-item{padding-bottom:30px;}
  .timeline-wrap{padding:26px 20px 20px;}
  .split h2,.section-head h2,.cta-band h2{font-size:23px;}
  .section-head{margin-bottom:32px;}
  .faq{padding:4px 16px;}
  .faq-q{font-size:15px;padding-left:12px;}
  .faq-a-inner{padding-left:12px;padding-right:12px;font-size:14.5px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* ================= 动效减弱 ================= */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .btn:hover,.card:hover{transform:none;}
}

/* roulang page: category5 */
:root{
  --brand:#0FBFA3;
  --brand-dark:#0A8F7B;
  --brand-soft:#E6F8F4;
  --accent:#FF8A2B;
  --accent-dark:#E06E12;
  --accent-soft:#FFF1E3;
  --ink:#12161C;
  --ink-2:#1B2129;
  --ink-line:#2A313B;
  --bg:#F6F7F4;
  --card:#FFFFFF;
  --line:#E4E7E2;
  --text:#2A313B;
  --muted:#5C6470;
  --muted-dark:#A9B0BA;
  --danger:#D64545;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-1:0 2px 8px rgba(18,22,28,.06);
  --shadow-2:0 12px 32px rgba(18,22,28,.10);
  --shadow-glow:0 0 0 1px rgba(15,191,163,.35), 0 8px 28px rgba(15,191,163,.22);
  --strip-h:44px;
  --nav-h:64px;
  --ctr:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:28px;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,address{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-dark);}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

.container{
  width:100%;
  max-width:var(--ctr);
  margin:0 auto;
  padding:0 40px;
}

/* ============ 顶部倒计时条 ============ */
.top-strip{
  position:sticky;
  top:0;
  z-index:60;
  height:var(--strip-h);
  background:var(--ink);
  border-bottom:1px solid var(--ink-line);
}
.strip-inner{
  height:100%;
  display:flex;
  align-items:center;
  gap:20px;
}
.strip-label{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  line-height:20px;
  color:var(--muted-dark);
  white-space:nowrap;
}
.strip-label::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(15,191,163,.18);
}
.countdown{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.cd-cell{
  display:flex;
  align-items:baseline;
  gap:3px;
  padding:4px 10px;
  border-radius:8px;
  background:var(--ink-2);
  border:1px solid var(--ink-line);
}
.cd-cell b{
  font-size:15px;
  font-weight:700;
  color:#F6F7F4;
  font-variant-numeric:tabular-nums;
  line-height:20px;
}
.cd-cell i{
  font-style:normal;
  font-size:11px;
  color:var(--muted-dark);
}
.strip-inner .btn{margin-left:12px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  transition:transform .2s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease, border-color .2s ease;
}
.btn-accent{
  background:var(--accent);
  color:#12161C;
  box-shadow:var(--shadow-1);
}
.btn-accent:hover{
  background:var(--accent-dark);
  color:#12161C;
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
}
.btn-accent:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border:1px solid var(--line);
}
.btn-ghost:hover{
  border-color:var(--brand);
  color:var(--brand-dark);
  transform:translateY(-2px);
  box-shadow:var(--shadow-1);
}
.btn-ghost:active{transform:translateY(0);box-shadow:none;}
.btn-brand{
  background:var(--brand);
  color:#04211C;
  box-shadow:var(--shadow-1);
}
.btn-brand:hover{background:var(--brand-dark);color:#F6F7F4;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-brand:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px;}
.btn-xs{height:32px;padding:0 14px;font-size:13px;border-radius:8px;}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:var(--strip-h);
  z-index:55;
  background:linear-gradient(90deg,#F6F7F4 0 64%, #12161C 64% 100%);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(18,22,28,.03);
}
.nav-inner{
  height:var(--nav-h);
  display:flex;
  align-items:center;
  gap:28px;
}
.logo{
  display:inline-flex;
  flex-direction:column;
  justify-content:center;
  line-height:1;
  flex:none;
}
.logo-line1{
  font-size:18px;
  font-weight:700;
  letter-spacing:.5px;
  color:var(--ink);
}
.logo-line2{
  font-size:11px;
  font-weight:600;
  letter-spacing:2px;
  color:var(--brand-dark);
  margin-top:4px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:28px;
}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--text);
  padding:6px 0;
  line-height:22px;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:3px;
  border-radius:2px;
  background:transparent;
  transition:background-color .2s ease;
}
.nav-link:hover{color:var(--brand-dark);}
.nav-link:hover::after{background:rgba(15,191,163,.35);}
.nav-link.is-active{color:var(--ink);}
.nav-link.is-active::after{background:var(--brand);}
.nav-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:14px;
}
.search-box{
  position:relative;
  width:220px;
  flex:none;
}
.search-box input{
  width:100%;
  height:38px;
  padding:0 42px 0 14px;
  border-radius:9px;
  border:1px solid var(--ink-line);
  background:var(--ink-2);
  color:#F6F7F4;
  font-size:14px;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.search-box input::placeholder{color:var(--muted-dark);}
.search-box input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(15,191,163,.18);
}
.search-box button{
  position:absolute;
  right:6px;
  top:50%;
  transform:translateY(-50%);
  width:30px;height:30px;
  display:flex;align-items:center;justify-content:center;
  border-radius:7px;
  color:var(--muted-dark);
  transition:color .2s ease, background-color .2s ease;
}
.search-box button:hover{color:var(--brand);background:rgba(15,191,163,.12);}
.search-box svg{width:16px;height:16px;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:10px;
  border:1px solid var(--ink-line);
  background:var(--ink-2);
  position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;
  left:50%;
  width:18px;height:2px;
  background:#F6F7F4;
  border-radius:2px;
  transform:translateX(-50%);
  transition:transform .2s ease, opacity .2s ease;
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none;}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:rotate(45deg);top:0;}
.nav-toggle.is-open span::after{transform:rotate(-45deg);top:0;}

/* ============ 分类页 Banner ============ */
.page-hero{
  position:relative;
  min-height:260px;
  display:flex;
  align-items:center;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg, rgba(18,22,28,.86) 0%, rgba(18,22,28,.55) 55%, rgba(18,22,28,.38) 100%);
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size:18px 18px;
  opacity:.6;
}
.page-hero .container{position:relative;z-index:2;padding-top:40px;padding-bottom:40px;}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  line-height:20px;
  color:var(--muted-dark);
  margin-bottom:18px;
}
.crumb a{color:var(--muted-dark);}
.crumb a:hover{color:var(--brand);}
.page-hero h1{
  font-size:40px;
  line-height:48px;
  font-weight:700;
  color:#F6F7F4;
  letter-spacing:.5px;
  max-width:760px;
}
.page-hero .hero-sub{
  margin-top:14px;
  font-size:16px;
  line-height:26px;
  color:#D5DAD3;
  max-width:640px;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}
.hero-tags span{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  color:#D5DAD3;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
}

/* ============ 搜索区 ============ */
.search-section{
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  padding:44px 0 0;
}
.search-panel{
  max-width:820px;
  margin:0 auto;
  text-align:center;
}
.search-panel h2{
  font-size:26px;
  line-height:36px;
  font-weight:700;
  color:var(--ink);
}
.search-panel p{
  margin-top:10px;
  font-size:15px;
  line-height:26px;
  color:var(--muted);
}
.big-search{
  position:relative;
  margin:26px auto 0;
  max-width:720px;
}
.big-search input{
  width:100%;
  height:58px;
  padding:0 132px 0 54px;
  border-radius:14px;
  border:1px solid var(--line);
  background:var(--bg);
  font-size:16px;
  color:var(--text);
  transition:border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.big-search input::placeholder{color:#98A0A8;}
.big-search input:focus{
  outline:none;
  background:#FFFFFF;
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(15,191,163,.14);
}
.big-search .bs-icon{
  position:absolute;
  left:20px;top:50%;
  transform:translateY(-50%);
  width:20px;height:20px;
  color:var(--muted);
  pointer-events:none;
}
.big-search .btn{
  position:absolute;
  right:6px;top:50%;
  transform:translateY(-50%);
  height:46px;
  border-radius:11px;
}
.big-search .btn:hover{transform:translateY(calc(-50% - 2px));}
.big-search .btn:active{transform:translateY(-50%);}
.hot-tags{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  align-items:center;
  gap:10px;
  margin-top:20px;
  padding-bottom:44px;
}
.hot-tags b{
  font-size:13px;
  font-weight:600;
  color:var(--muted);
}
.tag{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:600;
  color:var(--text);
  background:var(--bg);
  border:1px solid var(--line);
  transition:all .2s ease;
  cursor:pointer;
}
.tag:hover{
  color:var(--brand-dark);
  border-color:rgba(15,191,163,.5);
  background:var(--brand-soft);
  transform:translateY(-1px);
}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-alt{background:#FFFFFF;}
.section-head{
  max-width:720px;
  margin-bottom:40px;
}
.section-head h2{
  font-size:30px;
  line-height:38px;
  font-weight:700;
  color:var(--ink);
}
.section-head p{
  margin-top:12px;
  font-size:15px;
  line-height:26px;
  color:var(--muted);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--brand-dark);
  letter-spacing:1px;
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:18px;height:3px;
  border-radius:2px;
  background:var(--brand);
}

/* ============ FAQ 手风琴 ============ */
.faq-wrap{max-width:920px;margin:0 auto;}
.faq-list{
  border-top:1px solid var(--line);
}
.faq-item{
  border-bottom:1px solid var(--line);
  position:relative;
  transition:background-color .2s ease;
}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:4px;
  background:transparent;
  border-radius:2px;
  transition:background-color .2s ease;
}
.faq-item:hover{background:#FBFCFA;}
.faq-item.is-open{background:#FBFCFA;}
.faq-item.is-open::before{background:var(--brand);}
.faq-q{
  width:100%;
  min-height:60px;
  display:flex;
  align-items:center;
  gap:16px;
  padding:16px 20px 16px 22px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  line-height:26px;
  color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand-dark);}
.faq-index{
  flex:none;
  width:26px;height:26px;
  display:flex;align-items:center;justify-content:center;
  border-radius:8px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:12px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.faq-item.is-open .faq-index{background:var(--brand);color:#04211C;}
.faq-q .faq-text{flex:1;}
.faq-icon{
  position:relative;
  flex:none;
  width:22px;height:22px;
  border-radius:50%;
  border:1px solid var(--line);
  transition:border-color .2s ease, background-color .2s ease;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--muted);
  border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform .25s ease, background-color .2s ease;
}
.faq-icon::before{width:10px;height:2px;}
.faq-icon::after{width:2px;height:10px;}
.faq-item.is-open .faq-icon{border-color:var(--brand);background:var(--brand-soft);}
.faq-item.is-open .faq-icon::before{background:var(--brand-dark);}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);background:var(--brand-dark);}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .3s ease;
}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a-inner p{
  padding:0 60px 24px 58px;
  font-size:15px;
  line-height:26px;
  color:var(--muted);
}
.faq-a-inner p b{color:var(--text);font-weight:600;}

/* ============ 要点卡片 ============ */
.point-card{
  height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.point-card:hover{
  transform:translateY(-4px);
  border-color:rgba(15,191,163,.3);
  box-shadow:var(--shadow-2);
}
.point-icon{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  margin-bottom:18px;
}
.point-icon svg{width:22px;height:22px;}
.point-card h3{
  font-size:18px;
  line-height:26px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:10px;
}
.point-card p{
  font-size:15px;
  line-height:26px;
  color:var(--muted);
}
.point-card ul{margin-top:14px;}
.point-card li{
  position:relative;
  padding-left:16px;
  font-size:14px;
  line-height:25px;
  color:var(--muted);
}
.point-card li::before{
  content:"";
  position:absolute;
  left:0;top:10px;
  width:6px;height:6px;
  border-radius:1px;
  background:var(--brand);
}

/* ============ 深色 CTA 卡 ============ */
.cta-section{
  background:var(--ink);
  position:relative;
  overflow:hidden;
}
.cta-section::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:16px 16px;
}
.cta-card{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:40px;
  align-items:center;
  border-radius:var(--r-card);
  border:1px solid var(--ink-line);
  background:linear-gradient(135deg, rgba(15,191,163,.10) 0%, rgba(18,22,28,0) 60%);
  padding:44px 48px;
  box-shadow:var(--shadow-glow);
}
.cta-card h2{
  font-size:28px;
  line-height:38px;
  font-weight:700;
  color:#F6F7F4;
}
.cta-card p{
  margin-top:14px;
  font-size:15px;
  line-height:26px;
  color:var(--muted-dark);
  max-width:560px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
.cta-actions .btn-ghost{
  color:#F6F7F4;
  border-color:var(--ink-line);
}
.cta-actions .btn-ghost:hover{
  color:var(--brand);
  border-color:var(--brand);
}
.cta-meta{
  display:flex;
  flex-direction:column;
  gap:14px;
  padding-left:40px;
  border-left:1px solid var(--ink-line);
}
.cta-meta div{
  display:flex;
  align-items:baseline;
  gap:12px;
}
.cta-meta b{
  font-size:26px;
  font-weight:700;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  line-height:32px;
}
.cta-meta span{
  font-size:13px;
  line-height:20px;
  color:var(--muted-dark);
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:var(--muted-dark);
  padding:72px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid var(--ink-line);
}
.footer-brand .logo-line1{color:#F6F7F4;}
.footer-brand .logo-line2{color:var(--brand);}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:26px;
  color:var(--muted-dark);
  max-width:340px;
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#F6F7F4;
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:12px;}
.footer-col a{
  font-size:14px;
  line-height:22px;
  color:var(--muted-dark);
}
.footer-col a:hover{color:var(--brand);}
.footer-col address{
  font-style:normal;
  font-size:14px;
  line-height:28px;
  color:var(--muted-dark);
}
.footer-col address b{color:#F6F7F4;font-weight:600;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:22px;
  font-size:13px;
  line-height:20px;
  color:#7A828C;
}
.footer-bottom span{font-variant-numeric:tabular-nums;}

/* ============ 移动端 ============ */
@media screen and (max-width:1023px){
  :root{--strip-h:36px;--nav-h:56px;}
  .container{padding:0 24px;}
  .site-header{background:var(--ink);border-bottom:1px solid var(--ink-line);}
  .logo-line1{color:#F6F7F4;}
  .logo-line2{color:var(--brand);}
  .search-box{display:none;}
  .nav-toggle{display:block;}
  .main-nav{
    position:fixed;
    top:calc(var(--strip-h) + var(--nav-h));
    right:0;
    bottom:0;
    width:300px;
    max-width:86vw;
    background:var(--ink-2);
    border-left:1px solid var(--ink-line);
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:18px 22px 40px;
    transform:translateX(105%);
    transition:transform .28s ease;
    overflow-y:auto;
    z-index:58;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{
    color:#F6F7F4;
    font-size:16px;
    padding:16px 0;
    border-bottom:1px solid var(--ink-line);
  }
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--brand);}
  .nav-actions .btn-accent{display:none;}
  .section{padding:64px 0;}
  .page-hero{min-height:220px;}
  .page-hero h1{font-size:32px;line-height:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-card{grid-template-columns:1fr;padding:36px 32px;gap:28px;}
  .cta-meta{padding-left:0;border-left:0;border-top:1px solid var(--ink-line);padding-top:24px;flex-direction:row;flex-wrap:wrap;gap:28px;}
  .faq-a-inner p{padding:0 32px 22px 58px;}
}
@media screen and (max-width:640px){
  .container{padding:0 16px;}
  body{font-size:15px;}
  .strip-label{font-size:12px;overflow:hidden;text-overflow:ellipsis;}
  .cd-cell{padding:3px 7px;}
  .cd-cell b{font-size:13px;}
  .strip-inner .btn{display:none;}
  .countdown{margin-left:auto;}
  .page-hero{min-height:200px;}
  .page-hero h1{font-size:28px;line-height:36px;}
  .page-hero .hero-sub{font-size:15px;line-height:24px;}
  .section{padding:48px 0;}
  .section-head h2{font-size:24px;line-height:32px;}
  .search-section{padding:32px 0 0;}
  .search-panel h2{font-size:21px;line-height:30px;}
  .big-search input{height:52px;padding:0 18px 0 46px;font-size:15px;}
  .big-search .bs-icon{left:16px;width:18px;height:18px;}
  .big-search .btn{display:none;}
  .hot-tags{padding-bottom:32px;}
  .faq-q{font-size:15px;padding:14px 14px 14px 16px;gap:12px;}
  .faq-a-inner p{padding:0 18px 20px 54px;font-size:14px;line-height:25px;}
  .cta-card{padding:28px 22px;}
  .cta-card h2{font-size:22px;line-height:32px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .site-footer{padding:52px 0 22px;}
  .point-card{padding:24px 20px;}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
}

/* roulang page: category4 */
:root{
  --brand:#0FBFA3;
  --brand-dark:#0A8F7B;
  --brand-soft:#E6F8F4;
  --accent:#FF8A2B;
  --accent-dark:#E06E12;
  --accent-soft:#FFF1E3;
  --ink:#12161C;
  --ink-2:#1B2129;
  --ink-line:#2A313B;
  --bg:#F6F7F4;
  --card:#FFFFFF;
  --line:#E4E7E2;
  --head:#12161C;
  --text:#2A313B;
  --muted:#5C6470;
  --dark-text:#F6F7F4;
  --dark-sub:#A9B0BA;
  --danger:#D64545;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh1:0 2px 8px rgba(18,22,28,.06);
  --sh2:0 12px 32px rgba(18,22,28,.10);
  --cw:1200px;
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;font-weight:400;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4,h5{margin:0;color:var(--head);font-weight:700;line-height:1.28}
h1{font-size:40px;line-height:1.2}
h2{font-size:30px;line-height:1.3}
h3{font-size:22px;line-height:1.36}
h4{font-size:18px;line-height:1.44}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:var(--cw);margin:0 auto;padding:0 40px}
.section{padding:var(--sec) 0}
.section-sm{padding:56px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.sec-head h2{max-width:760px}
.sec-head p{color:var(--muted);font-size:15px;margin:8px 0 0;max-width:720px}
.sec-more{font-size:15px;font-weight:600;color:var(--brand-dark);white-space:nowrap}
.sec-more:hover{text-decoration:underline}
.muted{color:var(--muted)}
.tab-num{font-variant-numeric:tabular-nums}

/* ===== 顶部倒计时条 ===== */
.topbar{background:var(--ink);color:var(--dark-text);font-size:13px}
.topbar-inner{display:flex;align-items:center;gap:18px;min-height:44px}
.topbar-dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(15,191,163,.16);flex:0 0 auto}
.topbar-text{font-weight:600;color:#fff;white-space:nowrap}
.topbar-sub{color:var(--dark-sub);white-space:nowrap}
.countdown{margin-left:auto;display:flex;align-items:center;gap:6px}
.cd-cell{background:var(--ink-2);border:1px solid var(--ink-line);border-radius:8px;min-width:38px;text-align:center;padding:3px 8px;font-weight:700;color:#fff;font-size:14px;font-variant-numeric:tabular-nums}
.cd-sep{color:var(--ink-line)}
.cd-label{color:var(--dark-sub);font-size:12px;margin-left:2px}
.topbar .btn{margin-left:10px}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;line-height:1;border-radius:var(--r-btn);padding:12px 22px;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;text-decoration:none;white-space:nowrap}
.btn:hover{text-decoration:none;transform:translateY(-2px);box-shadow:var(--sh2)}
.btn:active{transform:translateY(0);box-shadow:var(--sh1)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-dark);color:#fff}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);color:#fff}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--head)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark)}
.btn-ghost-dark{background:transparent;border-color:var(--ink-line);color:var(--dark-text)}
.btn-ghost-dark:hover{border-color:var(--brand);color:var(--brand);background:rgba(15,191,163,.08)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-lg{padding:15px 30px;font-size:16px}
.btn-block{width:100%}

/* ===== 吸顶头部 ===== */
.site-head-wrap{position:sticky;top:0;z-index:200}
.site-header{position:relative;background:#F6F7F4;border-bottom:1px solid var(--line)}
.site-header::before{content:"";position:absolute;top:0;bottom:0;left:50%;right:0;background:var(--ink)}
.nav-inner{position:relative;z-index:2;display:flex;align-items:center;gap:26px;min-height:64px}
.logo{display:flex;flex-direction:column;line-height:1.15;font-weight:700;color:var(--head);letter-spacing:.4px}
.logo:hover{color:var(--head);text-decoration:none}
.logo-line1{font-size:17px}
.logo-line2{font-size:12px;color:var(--brand-dark);letter-spacing:1.4px}
.main-nav{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;font-size:15px;font-weight:600;color:var(--text);padding:6px 0}
.nav-link:hover{color:var(--brand-dark);text-decoration:none}
.nav-link.is-active{color:var(--head)}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:3px;border-radius:2px;background:var(--brand)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;color:var(--dark-text)}
.search-box{display:flex;align-items:center;width:220px;height:40px;padding:0 6px 0 12px;background:var(--ink-2);border:1px solid var(--ink-line);border-radius:var(--r-btn);transition:border-color .18s ease}
.search-box:focus-within{border-color:var(--brand)}
.search-box input{flex:1;min-width:0;background:transparent;border:0;outline:none;color:var(--dark-text);font-size:14px}
.search-box input::placeholder{color:var(--dark-sub)}
.search-box button{display:flex;align-items:center;justify-content:center;padding:4px;color:var(--brand);border-radius:6px}
.search-box svg{width:19px;height:19px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:12px;width:20px;height:2px;background:var(--head);border-radius:2px;content:"";transition:transform .2s ease,opacity .2s ease}
.nav-toggle span{top:21px}
.nav-toggle span::before{top:-6px;left:0}
.nav-toggle span::after{top:6px;left:0}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

/* 移动抽屉 */
.nav-drawer{position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);background:var(--ink);color:var(--dark-text);z-index:400;padding:26px 20px 32px;overflow-y:auto;display:flex;flex-direction:column;gap:18px;transform:translateX(103%);transition:transform .28s ease}
.nav-drawer.is-open{transform:translateX(0)}
.nav-drawer .logo-line1{color:#fff}
.nav-drawer .logo-line2{color:var(--brand)}
.drawer-links a{display:block;padding:13px 2px;border-bottom:1px solid var(--ink-line);font-size:16px;font-weight:600;color:var(--dark-text)}
.drawer-links a:hover{color:var(--brand)}
.drawer-links a.is-active{color:var(--brand)}
.drawer-close{align-self:flex-end;color:var(--dark-sub);font-size:13px;border:1px solid var(--ink-line);border-radius:var(--r-btn);padding:6px 12px}
.drawer-search{display:flex;align-items:center;height:46px;padding:0 12px;background:var(--ink-2);border:1px solid var(--ink-line);border-radius:var(--r-btn)}
.drawer-search input{flex:1;min-width:0;background:transparent;border:0;outline:none;color:var(--dark-text);font-size:15px}
.drawer-search input::placeholder{color:var(--dark-sub)}
.drawer-mask{position:fixed;inset:0;background:rgba(18,22,28,.55);opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:300}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ===== 页头 banner ===== */
.page-hero{position:relative;background-color:var(--ink);overflow:hidden}
.page-hero .hero-bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-1.png) center/cover no-repeat}
.page-hero .hero-mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,22,28,.82) 0%,rgba(18,22,28,.62) 52%,rgba(18,22,28,.45) 100%)}
.page-hero .hero-grid{position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);background-size:20px 20px;opacity:.7}
.page-hero .hero-inner{position:relative;z-index:3;min-height:270px;display:flex;flex-direction:column;justify-content:center;padding-top:52px;padding-bottom:52px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--dark-sub);margin-bottom:16px}
.crumb a{color:var(--dark-sub)}
.crumb a:hover{color:var(--brand);text-decoration:none}
.crumb span.sep{color:var(--ink-line)}
.page-hero h1{color:#fff;max-width:900px}
.page-hero .hero-sub{margin-top:14px;color:#D6DBE1;font-size:16px;max-width:720px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-meta .tag{background:rgba(255,255,255,.10);color:#E8EBEE;border:1px solid rgba(255,255,255,.16)}

/* ===== 标签 ===== */
.tag{display:inline-flex;align-items:center;font-size:12px;font-weight:600;line-height:1.4;padding:4px 10px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand-dark);white-space:nowrap}
.tag-warn{background:var(--accent-soft);color:var(--accent-dark)}
.tag-neutral{background:#EFF1EE;color:var(--muted)}
.tag-slate{background:#EDF0F4;color:#3C4552}

/* ===== 筛选 chips ===== */
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding:20px 0 24px}
.filter-bar .filter-label{font-size:14px;font-weight:600;color:var(--muted);margin-right:4px}
.chip{border:1px solid var(--line);background:#fff;border-radius:var(--r-pill);padding:8px 16px;font-size:14px;font-weight:600;color:var(--muted);cursor:pointer;transition:all .18s ease}
.chip:hover{border-color:var(--brand);color:var(--brand-dark)}
.chip.is-active{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-dark)}

/* ===== 版本密集列表 ===== */
.ver-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh1);overflow:hidden}
.ver-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 24px;border-bottom:1px solid var(--line);background:#FBFBF9}
.ver-head h2{font-size:18px}
.ver-head span{font-size:13px;color:var(--muted)}
.ver-list{margin:0}
.ver-row{display:flex;align-items:center;gap:22px;min-height:88px;padding:16px 24px;border-bottom:1px solid var(--line);transition:background-color .18s ease,box-shadow .18s ease}
.ver-row:last-child{border-bottom:0}
.ver-row:hover{background:var(--brand-soft);box-shadow:inset 3px 0 0 var(--brand)}
.ver-date{flex:0 0 auto;min-width:82px;text-align:center;background:var(--brand-soft);color:var(--brand-dark);border-radius:var(--r-btn);padding:8px 10px;font-weight:700;font-size:15px;font-variant-numeric:tabular-nums}
.ver-row:hover .ver-date{background:#fff}
.ver-body{flex:1;min-width:0}
.ver-body h3{font-size:17px;font-weight:700;margin-bottom:3px}
.ver-body h3 a:hover{color:var(--brand-dark);text-decoration:underline}
.ver-body p{margin:0;font-size:15px;line-height:1.6;color:var(--muted);overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.ver-side{flex:0 0 auto;display:flex;align-items:center;gap:10px}
.ver-arrow{width:18px;height:18px;color:var(--muted);opacity:.5;transition:transform .18s ease,opacity .18s ease}
.ver-row:hover .ver-arrow{opacity:1;color:var(--brand-dark);transform:translateX(3px)}
.ver-empty{display:none;padding:48px 24px;text-align:center;color:var(--muted);font-size:15px}
.ver-empty.is-show{display:block}

/* ===== 卡片网格 ===== */
.grid-x.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-x.grid-margin-x>.cell{padding-left:12px;padding-right:12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;height:100%;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(15,191,163,.32)}
.card-media{position:relative;overflow:hidden;aspect-ratio:16/10;background:#EDEFEC}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.card:hover .card-media img{transform:scale(1.045)}
.card-media .card-badge{position:absolute;left:14px;bottom:12px;background:rgba(18,22,28,.78);color:#fff;font-size:12px;font-weight:600;padding:4px 10px;border-radius:var(--r-pill)}
.card-body{padding:22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:19px}
.card-body p{font-size:15px;line-height:1.65;color:var(--muted);margin:0}
.card-foot{margin-top:auto;padding-top:6px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}

/* ===== 深色节奏区 ===== */
.dark-section{position:relative;background:var(--ink);color:var(--dark-text);overflow:hidden}
.dark-section .dot-grid{position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);background-size:18px 18px;pointer-events:none}
.dark-section .scan{position:absolute;inset:0;background:repeating-linear-gradient(180deg,rgba(255,255,255,.03) 0 1px,transparent 1px 6px);opacity:.6;pointer-events:none}
.dark-section .container{position:relative;z-index:2}
.dark-section h2{color:#fff}
.dark-section .sec-head p{color:var(--dark-sub)}
.rhythm{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--ink-line);margin-top:8px}
.rhythm-item{flex:1 1 0;min-width:240px;padding:26px 26px 26px 0;border-right:1px solid var(--ink-line)}
.rhythm-item:last-child{border-right:0}
.rhythm-num{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;background:rgba(15,191,163,.14);color:var(--brand);font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:14px}
.rhythm-item h3{color:#fff;font-size:19px;margin-bottom:8px}
.rhythm-item p{color:var(--dark-sub);font-size:15px;margin:0}

/* ===== FAQ ===== */
.faq{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh1)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:60px;padding:0 24px;text-align:left;font-size:16px;font-weight:600;color:var(--head);position:relative;transition:color .18s ease,background-color .18s ease}
.faq-q:hover{color:var(--brand-dark);background:#FBFBF9}
.faq-item.is-open .faq-q{color:var(--brand-dark)}
.faq-item.is-open .faq-q::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:4px;border-radius:0 4px 4px 0;background:var(--brand)}
.faq-icon{flex:0 0 auto;width:18px;height:18px;color:var(--muted);transition:transform .22s ease}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--brand-dark)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease;padding:0 24px;color:var(--muted);font-size:15px;line-height:1.7}
.faq-item.is-open .faq-a{padding-bottom:22px}
.faq-a p{margin:0 0 12px}
.faq-a p:last-child{margin-bottom:0}

/* ===== CTA 区 ===== */
.cta-band{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.cta-band .cta-bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-3.webp) center/cover no-repeat;opacity:.34}
.cta-band .cta-mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,22,28,.94),rgba(18,22,28,.72))}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;padding:56px 0}
.cta-inner h2{color:#fff;font-size:28px;margin-bottom:10px}
.cta-inner p{color:#C9CFD6;font-size:15px;max-width:620px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}
.cta-note{margin-top:14px;font-size:12px;color:var(--dark-sub)}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:var(--dark-sub);padding:60px 0 26px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.9fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-line1{color:#fff}
.footer-brand .logo-line2{color:var(--brand)}
.footer-brand p{color:var(--dark-sub);font-size:14px;line-height:1.75;max-width:420px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{color:var(--dark-sub);font-size:14px}
.footer-col a:hover{color:var(--brand)}
.footer-col address{font-style:normal;line-height:2;font-size:14px}
.footer-col address b{color:#E8EBEE;font-weight:600}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid var(--ink-line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:#7C848F}
.footer-bottom p{margin:0}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .search-box{width:170px}
  .main-nav{gap:18px}
  .nav-inner{gap:18px}
}
@media (max-width:1023px){
  :root{--sec:64px}
  .container{padding:0 24px}
  h1{font-size:32px}
  h2{font-size:26px}
  .site-header::before{display:none}
  .site-header{background:#fff}
  .nav-inner{min-height:56px}
  .main-nav,.nav-actions .search-box,.nav-actions .btn-accent{display:none}
  .nav-toggle{display:block}
  .topbar-text{font-size:12px}
  .topbar-sub{display:none}
  .page-hero .hero-inner{min-height:210px;padding-top:36px;padding-bottom:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .ver-row{align-items:flex-start;flex-wrap:wrap;gap:12px;padding:16px}
  .ver-date{min-width:70px}
  .ver-body{flex:1 1 100%;order:3}
  .ver-side{margin-left:auto}
  .rhythm-item{border-right:0;border-bottom:1px solid var(--ink-line);padding:22px 0}
  .rhythm-item:last-child{border-bottom:0}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:44px 0;gap:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}
@media (max-width:639px){
  :root{--sec:48px}
  .container{padding:0 16px}
  h1{font-size:28px;line-height:1.28}
  h2{font-size:23px}
  h3{font-size:19px}
  .topbar-inner{min-height:36px;gap:10px}
  .cd-cell{min-width:32px;font-size:13px;padding:2px 6px}
  .cd-label{display:none}
  .topbar .btn{padding:6px 12px;font-size:12px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .card-body{padding:18px}
  .faq-q{padding:0 16px;font-size:15px}
  .faq-a{padding:0 16px}
  .ver-head{padding:16px}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}