/* roulang page: index */
/* ================= 设计变量 ================= */
:root{
  --brand:#0E8F6E;
  --brand-dark:#0B7257;
  --brand-soft:#E6F4EF;
  --accent:#FF6A2A;
  --accent-dark:#E85A1B;
  --lime:#C8F169;
  --ink:#111A16;
  --ink-soft:#1B2420;
  --bg:#F6F7F2;
  --alt:#EEF3EC;
  --card:#FFFFFF;
  --text:#1B2420;
  --text-2:#5B6B62;
  --text-3:#8A988F;
  --line:#DCE5DE;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh:0 1px 2px rgba(17,26,22,.06), 0 12px 28px rgba(17,26,22,.08);
  --sh-h:0 2px 6px rgba(17,26,22,.08), 0 18px 38px rgba(17,26,22,.14);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
b,strong{font-weight:700}
.num{font-variant-numeric:tabular-nums}
::selection{background:rgba(14,143,110,.18)}

/* ================= 通用布局 ================= */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--alt{background:var(--alt)}
.section--tight{padding:64px 0}
.section--dark{background:var(--ink);color:#DCE7E0}
.sec-head{max-width:740px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.12em;
  color:var(--brand);text-transform:uppercase;
  background:var(--brand-soft);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.sec-head h2{
  font-size:30px;line-height:1.25;font-weight:800;letter-spacing:-.01em;
  color:var(--ink);margin-bottom:14px;
}
.sec-head p{color:var(--text-2);font-size:16.5px;max-width:680px}
.section--dark .sec-head h2{color:#fff}
.section--dark .sec-head p{color:#A9B8B0}
.sec-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:700;font-size:15px;
  transition:color .2s ease, gap .2s ease;
}
.sec-link:hover{color:var(--accent);gap:10px}

/* ================= 按钮 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  cursor:pointer;transition:background-color .2s ease,color .2s ease,transform .18s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(1px) scale(.995)}
.btn:focus-visible{outline:3px solid rgba(255,106,42,.35);outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(14,143,110,.22)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 14px 26px rgba(14,143,110,.28)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 18px rgba(255,106,42,.26)}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 14px 26px rgba(255,106,42,.32)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh)}
.btn-outline-brand{background:#fff;border-color:var(--brand);color:var(--brand)}
.btn-outline-brand:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.7)}
.btn-lg{padding:15px 30px;font-size:16px;border-radius:12px}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:9px}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ================= 顶部倒计时条 ================= */
.topbar{background:var(--ink);color:#C8D6CD;font-size:13.5px}
.topbar .container{
  display:flex;align-items:center;gap:22px;min-height:48px;
}
.topbar-status{display:inline-flex;align-items:center;gap:9px;font-weight:600;color:#DFEBE3;flex-shrink:0}
.pulse{
  width:8px;height:8px;border-radius:50%;background:var(--lime);
  box-shadow:0 0 0 4px rgba(200,241,105,.16);
  animation:pulse 1.8s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.countdown{display:flex;align-items:center;gap:10px;margin-left:auto}
.countdown .cd-label{color:#9FB0A6;font-size:13px}
.cd-block{
  display:inline-flex;align-items:baseline;gap:2px;
  background:rgba(200,241,105,.12);border:1px solid rgba(200,241,105,.28);
  border-radius:7px;padding:3px 8px;
}
.cd-block b{color:var(--lime);font-size:14.5px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.cd-block i{font-style:normal;font-size:11px;color:#9FB0A6}
.topbar-link{
  color:#DCE7E0;font-weight:700;font-size:13.5px;
  border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease;
}
.topbar-link:hover{color:var(--lime);border-bottom-color:var(--lime)}

/* ================= 主导航 ================= */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 14px rgba(17,26,22,.05);
}
.header-inner{display:flex;align-items:center;gap:22px;min-height:72px}
.logo{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(140deg,var(--brand) 0%,#0A6A51 100%);
  display:grid;place-items:center;box-shadow:0 6px 14px rgba(14,143,110,.28);
}
.logo-mark svg{width:20px;height:20px;display:block}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.logo-text span{font-size:11.5px;color:var(--text-3);letter-spacing:.06em;font-weight:600}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1}
.nav-link{
  position:relative;padding:9px 14px;border-radius:9px;
  font-size:15px;font-weight:600;color:var(--text-2);
  transition:color .2s ease,background-color .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.is-active{color:var(--brand);background:var(--brand-soft)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  border-radius:2px;background:var(--accent);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:var(--alt);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:0 14px;height:40px;width:210px;transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(14,143,110,.12)}
.search-box svg{width:15px;height:15px;stroke:var(--text-3);flex-shrink:0}
.search-box input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:var(--text-3)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);align-items:center;justify-content:center;
  flex-direction:column;gap:4px;
}
.nav-toggle i{display:block;width:17px;height:2px;background:var(--ink);border-radius:2px;transition:.22s ease}
.nav-toggle.active i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.active i:nth-child(2){opacity:0}
.nav-toggle.active i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ================= 首屏 ================= */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  transform:scale(1.04);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,20,16,.94) 0%,rgba(11,20,16,.82) 44%,rgba(11,20,16,.48) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);
  gap:56px;align-items:center;
  padding-top:78px;padding-bottom:82px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(200,241,105,.14);
  border:1px solid rgba(200,241,105,.34);
  color:var(--lime);
  border-radius:var(--r-pill);
  padding:7px 16px;font-size:13px;font-weight:700;margin-bottom:22px;
}
.hero-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime)}
.hero h1{
  font-size:44px;line-height:1.22;font-weight:800;letter-spacing:-.015em;
  margin-bottom:20px;max-width:800px;
}
.hero h1 em{
  font-style:normal;color:var(--lime);
  background:linear-gradient(transparent 62%,rgba(200,241,105,.22) 62%);
}
.hero-sub{
  font-size:17px;line-height:1.9;color:#BCCBC1;
  max-width:640px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px}
.hero-points li{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;color:#C6D4CB;font-weight:600;
}
.hero-points li::before{
  content:"";width:14px;height:14px;border-radius:4px;
  background:rgba(14,143,110,.9);
  box-shadow:inset 0 0 0 4px rgba(255,255,255,0);
  background-image:linear-gradient(135deg,rgba(200,241,105,.9),rgba(14,143,110,.9));
}
.hero-panel{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);
  padding:26px 24px;backdrop-filter:blur(6px);
}
.hero-panel .panel-head{
  font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--lime);
  text-transform:uppercase;margin-bottom:18px;
}
.panel-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.16);
  font-size:14.5px;
}
.panel-row:last-child{border-bottom:0;padding-bottom:0}
.panel-row span{color:#A9B8B0}
.panel-row b{color:#fff;font-weight:700;font-variant-numeric:tabular-nums}
.panel-row b.accent{color:var(--accent)}
.panel-row b.lime{color:var(--lime)}

/* ================= 活动卖点（跑道编号卡） ================= */
.track-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.track-card{
  position:relative;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px 24px;
  box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.track-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--brand),var(--lime));
  opacity:0;transition:opacity .22s ease;
}
.track-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:#C7D8CE}
.track-card:hover::before{opacity:1}
.track-num{
  width:42px;height:42px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);
  font-weight:800;font-size:16px;font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.track-card:nth-child(3n+2) .track-num{background:#FFF0E8;color:var(--accent)}
.track-card:nth-child(3n+3) .track-num{background:#F2F9DE;color:#6E9A0E}
.track-card h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:10px;line-height:1.4}
.track-card p{font-size:14.8px;color:var(--text-2);line-height:1.85}
.track-tag{
  display:inline-block;margin-top:16px;
  font-size:12.5px;font-weight:700;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--r-pill);
  padding:4px 12px;
}

/* ================= 亮点图墙 ================= */
.gallery{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  grid-auto-rows:148px;gap:16px;
}
.g-item{
  position:relative;overflow:hidden;border-radius:var(--r-md);
  background:var(--ink);border:1px solid var(--line);
}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.g-item:hover img{transform:scale(1.06)}
.g-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(17,26,22,0) 42%,rgba(17,26,22,.78) 100%);
}
.g-item.tall{grid-row:span 2}
.g-item.wide{grid-column:span 2}
.g-cap{
  position:absolute;left:14px;right:14px;bottom:12px;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.g-cap span{font-size:13.5px;font-weight:700;color:#fff;text-shadow:0 1px 6px rgba(0,0,0,.4)}
.g-cap i{
  font-style:normal;font-size:11.5px;font-weight:800;color:var(--ink);
  background:var(--lime);border-radius:var(--r-pill);padding:3px 10px;
  white-space:nowrap;
}

/* ================= 访问前准备 ================= */
.prep{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:52px;align-items:center}
.prep-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-h)}
.prep-media img{width:100%;height:400px;object-fit:cover}
.prep-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(17,26,22,.05),rgba(17,26,22,.4));
}
.prep-float{
  position:absolute;left:20px;bottom:20px;z-index:2;
  background:rgba(255,255,255,.95);border-radius:var(--r-md);
  padding:16px 20px;box-shadow:var(--sh);
}
.prep-float strong{display:block;font-size:22px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.prep-float span{font-size:13px;color:var(--text-2);font-weight:600}
.prep-list{margin-top:26px;display:grid;gap:2px}
.prep-list li{
  display:grid;grid-template-columns:24px 1fr;gap:14px;
  padding:16px 0;border-bottom:1px solid var(--line);
}
.prep-list li:last-child{border-bottom:0}
.prep-list .ico{
  width:24px;height:24px;border-radius:8px;margin-top:3px;
  background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-size:13px;font-weight:800;
}
.prep-list h4{font-size:16.5px;font-weight:700;color:var(--ink);margin-bottom:4px}
.prep-list p{font-size:14.6px;color:var(--text-2);line-height:1.82}

/* ================= 最新信息（CMS） ================= */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.news-head .sec-head{margin-bottom:0}
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.news-card{
  display:grid;grid-template-columns:184px 1fr;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:#C7D8CE}
.news-thumb{position:relative;overflow:hidden;background:var(--alt)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:20px 22px;display:flex;flex-direction:column;gap:10px}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12.8px;color:var(--text-3);font-weight:600}
.tag{
  display:inline-block;background:var(--brand-soft);color:var(--brand);
  border-radius:var(--r-pill);padding:3px 11px;
  font-size:12.3px;font-weight:700;white-space:nowrap;
}
.news-title{font-size:18px;font-weight:700;line-height:1.5;color:var(--ink)}
.news-title a{transition:color .2s ease}
.news-title a:hover{color:var(--brand)}
.news-desc{
  font-size:14.4px;color:var(--text-2);line-height:1.82;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-more{
  margin-top:auto;font-size:13.6px;font-weight:700;color:var(--accent);
  display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease;
}
.news-more:hover{gap:11px}
.empty-state{
  grid-column:1 / -1;
  background:var(--card);border:1px dashed #C7D8CE;border-radius:var(--r-md);
  padding:56px 24px;text-align:center;
}
.empty-state .es-ico{
  width:54px;height:54px;margin:0 auto 16px;border-radius:16px;
  background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-size:22px;font-weight:800;
}
.empty-state p{color:var(--text-2);font-size:15.5px;margin-bottom:18px}

/* ================= CTA 报名区 ================= */
.cta-wrap{
  background:var(--ink);color:#fff;border-radius:var(--r-lg);
  padding:56px 52px;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);
  gap:52px;align-items:start;
  position:relative;overflow:hidden;
}
.cta-wrap::before{
  content:"";position:absolute;right:-110px;top:-110px;width:340px;height:340px;
  border-radius:50%;background:radial-gradient(circle,rgba(14,143,110,.5),transparent 68%);
}
.cta-wrap::after{
  content:"";position:absolute;left:-80px;bottom:-120px;width:280px;height:280px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,106,42,.28),transparent 70%);
}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{font-size:30px;font-weight:800;line-height:1.3;margin-bottom:16px;color:#fff}
.cta-copy p{color:#A9B8B0;font-size:16px;margin-bottom:24px;max-width:520px}
.cta-facts{display:flex;flex-wrap:wrap;gap:12px}
.cta-facts span{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-pill);padding:7px 15px;
  font-size:13.4px;font-weight:600;color:#DCE7E0;
}
.cta-form{
  position:relative;z-index:2;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);border-radius:var(--r-md);
  padding:26px 24px;
}
.cta-form .form-title{font-size:16px;font-weight:800;color:#fff;margin-bottom:18px}
.field{margin-bottom:15px}
.field label{display:block;font-size:13.4px;font-weight:700;color:#B9C8BF;margin-bottom:7px}
.field input,.field select{
  width:100%;height:48px;border-radius:10px;
  border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.06);color:#fff;
  padding:0 14px;font-size:14.6px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field input::placeholder{color:#7F8F86}
.field input:focus,.field select:focus{
  border-color:var(--brand);background:rgba(255,255,255,.1);
  box-shadow:0 0 0 4px rgba(14,143,110,.24);
}
.field select option{color:var(--ink)}
.form-hint{font-size:12.8px;color:#8FA096;margin-top:12px;line-height:1.7}
.form-msg{margin-top:12px;font-size:13.6px;font-weight:700;display:none}
.form-msg.ok{display:block;color:var(--lime)}
.form-msg.err{display:block;color:#FF8A57}

/* ================= FAQ ================= */
.faq-list{max-width:920px;margin:0 auto;display:grid;gap:12px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-item:hover{border-color:#C7D8CE;box-shadow:var(--sh)}
.faq-item.open{border-color:rgba(255,106,42,.5);box-shadow:var(--sh)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;
  font-size:16.6px;font-weight:700;color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-item.open .faq-q{color:var(--accent)}
.faq-item.open .faq-q{background:#FFF9F5}
.faq-icon{
  width:26px;height:26px;flex-shrink:0;border-radius:8px;
  border:1px solid var(--line);display:grid;place-items:center;
  transition:transform .25s ease,background-color .25s ease,border-color .25s ease;
}
.faq-icon svg{width:12px;height:12px;stroke:var(--text-2);transition:stroke .25s ease}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--accent);border-color:var(--accent)}
.faq-item.open .faq-icon svg{stroke:#fff}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .32s ease,padding .32s ease;
  padding:0 24px;
}
.faq-item.open .faq-a{max-height:340px;padding:0 24px 22px}
.faq-a p{
  font-size:15px;color:var(--text-2);line-height:1.88;
  border-left:3px solid var(--accent);padding-left:16px;
}

/* ================= 页脚 ================= */
.site-footer{background:var(--ink);color:#9FB0A6;padding:72px 0 0;font-size:14.4px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:44px;
  padding-bottom:52px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .logo-text strong{color:#fff}
.footer-brand .logo-text span{color:#7F8F86}
.footer-brand p{margin-top:18px;line-height:1.9;color:#8FA096;max-width:330px}
.footer-col h4{
  font-size:14.5px;font-weight:800;color:#fff;margin-bottom:18px;letter-spacing:.02em;
}
.footer-col ul{display:grid;gap:11px}
.footer-col a{color:#9FB0A6;transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:var(--accent);padding-left:4px}
.footer-contact li{color:#9FB0A6;line-height:1.85}
.footer-contact b{color:#fff;font-weight:700}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:24px 0 30px;flex-wrap:wrap;font-size:13.4px;color:#7F8F86;
}
.footer-bottom .fb-links{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom a:hover{color:var(--accent)}

/* ================= 响应式 ================= */
@media (max-width:1279px){
  .container{max-width:1080px}
  .hero h1{font-size:40px}
  .track-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:1023px){
  .container{padding:0 20px}
  .section{padding:72px 0}
  .hero-inner{grid-template-columns:1fr;gap:38px;padding-top:60px;padding-bottom:64px}
  .hero-panel{max-width:560px}
  .hero h1{font-size:36px}
  .track-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .gallery{grid-template-columns:repeat(3,minmax(0,1fr))}
  .prep{grid-template-columns:1fr;gap:36px}
  .prep-media img{height:320px}
  .cta-wrap{grid-template-columns:1fr;padding:44px 34px;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:991px){
  .main-nav{
    position:fixed;left:0;right:0;top:0;bottom:0;z-index:90;
    background:#fff;flex-direction:column;align-items:stretch;
    gap:6px;padding:96px 24px 40px;margin:0;
    transform:translateX(100%);opacity:0;pointer-events:none;
    transition:transform .28s ease,opacity .28s ease;
    overflow-y:auto;border-right:1px solid var(--line);
  }
  .main-nav.open{transform:none;opacity:1;pointer-events:auto}
  .nav-link{padding:14px 16px;font-size:16.5px;border-radius:12px;border:1px solid transparent}
  .nav-link.is-active{border-color:rgba(14,143,110,.28)}
  .nav-link.is-active::after{display:none}
  .nav-toggle{display:inline-flex;position:relative;z-index:95}
  .search-box{display:none}
  .header-actions .btn-ghost-login{display:none}
  .news-grid{grid-template-columns:1fr}
}
@media (max-width:767px){
  .section{padding:60px 0}
  .topbar .container{flex-wrap:wrap;gap:8px 18px;padding-top:9px;padding-bottom:9px}
  .countdown{margin-left:0;width:100%;gap:8px;flex-wrap:wrap}
  .countdown .cd-label{width:100%}
  .topbar-link{margin-left:auto}
  .hero h1{font-size:29px;line-height:1.3}
  .hero-sub{font-size:15.6px}
  .sec-head h2{font-size:23px}
  .track-grid{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:132px}
  .g-item.wide{grid-column:span 2}
  .news-card{grid-template-columns:1fr}
  .news-thumb{height:176px}
  .prep-media img{height:240px}
  .prep-list li{grid-template-columns:22px 1fr;gap:12px}
  .cta-wrap{padding:34px 22px}
  .cta-copy h2{font-size:23px}
  .faq-q{font-size:15.4px;padding:17px 18px}
  .faq-a{padding:0 18px}
  .faq-item.open .faq-a{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:479px){
  .container{padding:0 18px}
  .logo-text strong{font-size:15.5px}
  .hero h1{font-size:26px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .gallery{grid-template-columns:1fr 1fr;grid-auto-rows:112px;gap:12px}
  .g-cap span{font-size:12px}
  .g-cap i{display:none}
  .btn-lg{padding:14px 22px;font-size:15px}
  .header-inner{min-height:64px}
}

/* roulang page: article */
:root{
  --c-primary:#0E8F6E;
  --c-primary-dark:#0A7358;
  --c-primary-soft:#E4F3EE;
  --c-accent:#FF6A2A;
  --c-accent-dark:#E4551A;
  --c-lime:#C8F169;
  --c-ink:#111A16;
  --c-bg:#F6F7F2;
  --c-surface:#FFFFFF;
  --c-band:#EEF3EC;
  --c-text:#1B2420;
  --c-muted:#5B6B62;
  --c-faint:#8A988F;
  --c-border:#DCE5DE;
  --r-xs:8px;
  --r-sm:10px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(17,26,22,.06), 0 12px 28px rgba(17,26,22,.08);
  --sh-2:0 2px 6px rgba(17,26,22,.08), 0 18px 40px rgba(17,26,22,.12);
  --max:1240px;
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-dark)}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;color:var(--c-ink);letter-spacing:-.2px}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(255,106,42,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;text-align:center;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(14,143,110,.26)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,106,42,.3)}
.btn-outline{background:#fff;color:var(--c-primary);border-color:rgba(14,143,110,.42)}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:var(--r-sm)}
.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.5;cursor:not-allowed;filter:grayscale(.4)}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--c-border);
  box-shadow:0 2px 14px rgba(17,26,22,.05);
}
.header-inner{display:flex;align-items:center;gap:22px;height:var(--header-h)}
.logo{display:flex;align-items:center;gap:10px;color:var(--c-ink);flex:none}
.logo:hover{color:var(--c-ink)}
.logo-mark{
  width:38px;height:38px;flex:none;border-radius:var(--r-md);
  background:var(--c-ink);display:grid;place-items:center;
}
.logo-mark svg{width:21px;height:21px}
.logo-text{display:flex;flex-direction:column;line-height:1.16}
.logo-text strong{font-size:16px;font-weight:800;letter-spacing:.2px}
.logo-text span{font-size:11px;color:var(--c-faint);letter-spacing:1.4px}
.main-nav{display:flex;align-items:center;gap:2px;flex:1}
.nav-link{
  padding:9px 13px;border-radius:var(--r-sm);font-size:15px;font-weight:500;
  color:var(--c-muted);white-space:nowrap;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft)}
.nav-link.is-active{color:var(--c-primary);font-weight:700;background:rgba(14,143,110,.1)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;height:42px;width:224px;padding:0 14px;
  background:var(--c-bg);border:1px solid var(--c-border);border-radius:var(--r-pill);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-box:focus-within{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(14,143,110,.12)}
.search-box svg{width:17px;height:17px;flex:none;stroke:var(--c-faint);fill:none;stroke-width:2;stroke-linecap:round}
.search-box input{width:100%;border:0;background:transparent;outline:none;font-size:14px;color:var(--c-text)}
.search-box input::placeholder{color:var(--c-faint)}
.nav-search-mobile{display:none}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 11px;border-radius:var(--r-md);
  border:1px solid var(--c-border);background:#fff;cursor:pointer;
}
.nav-toggle i{display:block;height:2px;border-radius:2px;background:var(--c-ink);transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- read progress ---------- */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:80;background:linear-gradient(90deg,var(--c-primary),var(--c-accent));transition:width .1s linear}

/* ---------- article layout ---------- */
.article-wrap{padding:34px 0 72px}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--c-faint);margin-bottom:20px;
}
.breadcrumb a{color:var(--c-muted)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:#BECBBF}
.breadcrumb .current{color:var(--c-text);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-shell{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-xl);
  box-shadow:var(--sh-1);padding:44px 48px 48px;
}
.article-head{max-width:820px;margin:0 auto 26px}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;background:var(--c-primary-soft);color:var(--c-primary-dark);
  border:1px solid rgba(14,143,110,.2);letter-spacing:.3px;
}
.article-title{
  font-size:clamp(28px,3.3vw,44px);font-weight:800;letter-spacing:-.5px;
  margin:16px 0 20px;color:var(--c-ink);
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px 20px;padding-top:16px;
  border-top:1px solid var(--c-border);font-size:13.5px;color:var(--c-muted);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta b{color:var(--c-text);font-weight:600}

.article-content{max-width:820px;margin:0 auto}
.article-body{font-size:17.5px;line-height:1.9;color:var(--c-text)}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:27px;margin:2em 0 .8em;padding-left:16px;
  border-left:5px solid var(--c-primary);border-radius:2px;line-height:1.35;
}
.article-body h3{font-size:20px;font-weight:700;margin:1.7em 0 .6em}
.article-body h4{font-size:17.5px;font-weight:700;margin:1.5em 0 .5em}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-accent)}
.article-body strong{font-weight:700;color:var(--c-ink)}
.article-body img{border-radius:var(--r-md);margin:1.4em 0;box-shadow:var(--sh-1)}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.4em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.5em 0;padding-left:.2em}
.article-body li::marker{color:var(--c-primary)}
.article-body blockquote{
  margin:1.5em 0;padding:18px 22px;background:var(--c-primary-soft);
  border-left:4px solid var(--c-primary);border-radius:var(--r-md);color:var(--c-text);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--c-border);padding:11px 14px;text-align:left;vertical-align:top}
.article-body th{background:var(--c-band);font-weight:700;color:var(--c-ink)}
.article-body hr{border:0;border-top:1px solid var(--c-border);margin:2em 0}
.article-body code{background:var(--c-band);padding:2px 7px;border-radius:6px;font-size:.92em}

.checklist-card{
  margin-top:34px;padding:26px 28px;border-radius:var(--r-lg);
  background:var(--c-band);border:1px solid var(--c-border);
}
.checklist-card h2{
  font-size:20px;margin:0 0 14px;padding-left:14px;border-left:4px solid var(--c-accent);
}
.check-list li{
  position:relative;padding-left:26px;margin:.62em 0;font-size:15.5px;color:var(--c-text);line-height:1.8;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:11px;height:11px;border-radius:50%;
  background:var(--c-lime);box-shadow:0 0 0 3px rgba(200,241,105,.32);
}
.check-list b{color:var(--c-ink);font-weight:700}

/* ---------- empty state ---------- */
.empty-state{
  text-align:center;padding:56px 24px;border:1px dashed var(--c-border);
  border-radius:var(--r-lg);background:var(--c-bg);
}
.empty-icon{
  width:62px;height:62px;margin:0 auto 18px;border-radius:50%;
  background:#fff;border:1px solid var(--c-border);display:grid;place-items:center;
}
.empty-icon svg{width:26px;height:26px;stroke:var(--c-primary);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.empty-state h2{font-size:21px;margin-bottom:10px}
.empty-state p{color:var(--c-muted);font-size:15px;max-width:460px;margin:0 auto 22px}

/* ---------- section base ---------- */
.section{padding:76px 0}
.section-alt{background:var(--c-band);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border)}
.section-head{max-width:720px;margin-bottom:34px}
.section-head h2{font-size:clamp(22px,2.4vw,31px);position:relative;padding-left:16px;border-left:5px solid var(--c-primary);border-radius:2px}
.section-head p{margin:12px 0 0;color:var(--c-muted);font-size:15.5px}

/* ---------- recommend cards ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rec-card{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rec-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(14,143,110,.32)}
.rec-thumb{display:block;position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-band)}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rec-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(17,26,22,0) 45%,rgba(17,26,22,.42))}
.rec-card:hover .rec-thumb img{transform:scale(1.04)}
.rec-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.rec-cat{
  align-self:flex-start;font-size:12px;font-weight:700;color:var(--c-primary-dark);
  background:var(--c-primary-soft);border:1px solid rgba(14,143,110,.2);
  padding:3px 11px;border-radius:var(--r-pill);margin-bottom:12px;
}
.rec-body h3{font-size:18px;margin-bottom:9px}
.rec-body h3 a{color:var(--c-ink)}
.rec-body h3 a:hover{color:var(--c-primary)}
.rec-body p{font-size:14.5px;color:var(--c-muted);line-height:1.75;margin-bottom:16px}
.rec-date{margin-top:auto;font-size:13px;color:var(--c-faint)}

/* ---------- cta band ---------- */
.cta-band{background:var(--c-ink);padding:66px 0;color:#fff}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-copy{max-width:620px}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:12px}
.cta-copy p{color:rgba(255,255,255,.72);margin:0;font-size:15.5px;line-height:1.8}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- back link ---------- */
.back-row{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:34px}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:64px 0 28px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-text strong{color:#fff}
.footer-brand .logo-text span{color:rgba(255,255,255,.45)}
.footer-brand p{color:rgba(255,255,255,.66);line-height:1.85;margin:0;font-size:14.5px}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:16px;font-weight:700}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--c-accent)}
.footer-contact li{color:rgba(255,255,255,.72);line-height:1.7}
.footer-contact b{color:#fff;font-weight:600}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.55);
}
.fb-links{display:flex;gap:18px;flex-wrap:wrap}
.fb-links a{color:rgba(255,255,255,.6)}
.fb-links a:hover{color:var(--c-accent)}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .main-nav{gap:0}
  .nav-link{padding:9px 11px;font-size:14.5px}
  .search-box{width:190px}
}
@media (max-width:1023px){
  .rec-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991px){
  :root{--header-h:64px}
  .header-inner{gap:12px}
  .main-nav{
    position:fixed;top:var(--header-h);left:0;right:0;display:none;flex-direction:column;
    align-items:stretch;gap:6px;padding:14px 20px 22px;background:#fff;flex:none;
    border-bottom:1px solid var(--c-border);box-shadow:0 18px 32px rgba(17,26,22,.12);
    max-height:calc(100vh - var(--header-h));overflow-y:auto;
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:12px 14px;font-size:15.5px;border-radius:var(--r-md)}
  .header-actions .search-box{display:none}
  .nav-search-mobile{display:flex;width:100%;margin-top:10px}
  .nav-toggle{display:flex}
  .btn-ghost-login{display:none}
  .article-shell{padding:32px 26px 36px}
  .section{padding:56px 0}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 20px}
  .nav-link{font-size:15px}
  .breadcrumb .current{max-width:220px}
  .article-wrap{padding:24px 0 56px}
  .article-shell{padding:26px 20px 30px;border-radius:var(--r-lg)}
  .article-title{font-size:28px}
  .article-body{font-size:16px;line-height:1.9}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .rec-grid{grid-template-columns:1fr}
  .section{padding:46px 0}
  .cta-band{padding:52px 0}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .logo-text strong{font-size:14px}
  .logo-text span{display:none}
  .logo-mark{width:34px;height:34px}
  .header-actions{gap:8px}
  .btn-sm{padding:8px 13px;font-size:13px}
  .article-title{font-size:25px}
  .checklist-card{padding:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
}

/* roulang page: category1 */
:root{
  --brand:#0E8F6E;
  --brand-dark:#0A7358;
  --brand-soft:rgba(14,143,110,.09);
  --accent:#FF6A2A;
  --accent-dark:#E9561A;
  --lime:#C8F169;
  --ink:#111A16;
  --bg:#F6F7F2;
  --card:#FFFFFF;
  --alt:#EEF3EC;
  --text:#1B2420;
  --muted:#5B6B62;
  --faint:#8A988F;
  --border:#DCE5DE;
  --danger:#D94A2B;
  --r-s:8px;
  --r-m:14px;
  --r-l:20px;
  --shadow-s:0 1px 2px rgba(17,26,22,.06);
  --shadow-m:0 1px 2px rgba(17,26,22,.06),0 12px 28px rgba(17,26,22,.08);
  --shadow-l:0 2px 6px rgba(17,26,22,.07),0 22px 46px rgba(17,26,22,.13);
  --container:1240px;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.28;font-weight:700;letter-spacing:.2px}
h1{font-size:44px;font-weight:800}
h2{font-size:30px}
h3{font-size:21px}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(255,106,42,.4);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 顶部倒计时条 ---------- */
.top-bar{background:var(--ink);color:#E8EFEA;font-size:14px}
.top-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:52px;padding-top:8px;padding-bottom:8px}
.top-status{display:inline-flex;align-items:center;gap:8px;color:#C9D6CE;white-space:nowrap}
.top-status .dot{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(200,241,105,.18);animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
.countdown{display:flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums}
.cd-label{color:#9FB0A6;font-size:13px;letter-spacing:.4px}
.cd-block{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:30px;padding:0 8px;border-radius:var(--r-s);background:rgba(200,241,105,.14);color:var(--lime);font-weight:700;font-size:16px}
.cd-sep{color:#5E6E64;font-weight:700}
.top-link{color:#C8F169;font-weight:500;white-space:nowrap}
.top-link:hover{color:#fff}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--border);box-shadow:0 1px 0 rgba(17,26,22,.02),0 8px 24px rgba(17,26,22,.04)}
.header-inner{display:flex;align-items:center;gap:22px;height:var(--nav-h)}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:38px;height:38px;border-radius:12px;background:var(--ink);display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.logo-mark svg{width:22px;height:22px}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text strong{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.2px}
.logo-text span{font-size:11.5px;color:var(--faint);letter-spacing:1.2px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{position:relative;padding:9px 13px;border-radius:var(--r-s);font-size:15px;color:var(--muted);font-weight:500;white-space:nowrap}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.is-active{color:var(--brand);background:var(--brand-soft);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;background:var(--brand)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.search-box{display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;border:1px solid var(--border);border-radius:999px;background:var(--alt);transition:border-color .2s,background .2s,box-shadow .2s}
.search-box:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(14,143,110,.12)}
.search-box svg{width:17px;height:17px;stroke:var(--faint);flex-shrink:0}
.search-box input{border:0;background:transparent;outline:none;font-size:14px;width:168px;color:var(--text)}
.search-box input::placeholder{color:var(--faint)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:11px;border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,106,42,.24)}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,106,42,.3)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(14,143,110,.22)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px)}
.btn-outline{background:#fff;color:var(--brand);border-color:rgba(14,143,110,.45)}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft)}
.btn:active{transform:translateY(1px)}
.btn[disabled],.btn.is-disabled{background:#E3E8E3;color:#9AA79F;border-color:#E3E8E3;box-shadow:none;cursor:not-allowed;transform:none}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border:1px solid var(--border);border-radius:11px;background:#fff;cursor:pointer;padding:0 11px}
.nav-toggle i{display:block;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:#0B1512}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center 30%;transform:scale(1.02)}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(9,20,16,.93) 0%,rgba(9,20,16,.82) 46%,rgba(14,143,110,.55) 100%)}
.hero-inner{position:relative;z-index:2;padding:78px 0 84px;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);gap:52px;align-items:center}
.crumbs{display:flex;align-items:center;gap:9px;font-size:13.5px;color:#A9BCB2;margin-bottom:18px}
.crumbs a:hover{color:var(--lime)}
.crumbs .sep{color:#5C6E64}
.crumbs .cur{color:#E6EFE9}
.hero h1{color:#fff;font-size:42px;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-sub{color:#C8D6CD;font-size:16.5px;line-height:1.85;max-width:640px;margin-bottom:24px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.tag{display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:999px;font-size:13px;color:#DCEBE2;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14)}
.tag .tdot{width:6px;height:6px;border-radius:50%;background:var(--lime)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-meta{margin-top:22px;font-size:13.5px;color:#93A79C}
.hero-meta b{color:#D7E5DC;font-weight:600}
.hero-card{background:rgba(255,255,255,.96);border-radius:var(--r-l);padding:26px 26px 20px;box-shadow:var(--shadow-l);border:1px solid rgba(255,255,255,.6)}
.hero-card h3{font-size:17px;margin-bottom:6px}
.hero-card .hc-note{font-size:13px;color:var(--faint);margin-bottom:16px}
.stat-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.stat{background:var(--alt);border:1px solid var(--border);border-radius:var(--r-m);padding:14px 15px}
.stat b{display:block;font-size:22px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.3}
.stat span{font-size:12.5px;color:var(--muted)}
.hero-card .hc-foot{margin-top:16px;padding-top:14px;border-top:1px dashed var(--border);font-size:13px;color:var(--muted);display:flex;justify-content:space-between;gap:10px}
.hero-card .hc-foot b{color:var(--ink)}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0}
.section.alt{background:var(--alt)}
.section.tight{padding-top:64px}
.sec-head{max-width:760px;margin-bottom:38px}
.sec-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);letter-spacing:1px;margin-bottom:14px}
.sec-tag::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--accent)}
.sec-head h2{margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:16px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center .sec-tag{justify-content:center}

/* ---------- 概览数据块 ---------- */
.overview{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.ov-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-m);padding:24px 22px;box-shadow:var(--shadow-s);transition:transform .2s ease,box-shadow .2s ease}
.ov-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-m)}
.ov-num{font-size:28px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.3;margin-bottom:6px}
.ov-card h3{font-size:16px;margin-bottom:8px}
.ov-card p{font-size:14px;color:var(--muted);margin:0}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin-top:8px;padding-left:54px}
.timeline::before{content:"";position:absolute;left:19px;top:12px;bottom:12px;width:2px;background:linear-gradient(180deg,var(--brand),rgba(14,143,110,.15))}
.tl-item{position:relative;padding:0 0 30px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:-54px;top:2px;width:40px;height:40px;border-radius:50%;background:#fff;border:2px solid var(--brand);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;box-shadow:0 6px 16px rgba(14,143,110,.14)}
.tl-body{background:var(--card);border:1px solid var(--border);border-radius:var(--r-m);padding:20px 24px;box-shadow:var(--shadow-s);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease}
.tl-item:hover .tl-body{box-shadow:var(--shadow-m);transform:translateY(-1px);border-color:rgba(14,143,110,.35)}
.tl-body h3{font-size:18px;margin-bottom:8px;display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tl-body p{color:var(--muted);font-size:15px;margin:0}
.pill{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;background:var(--brand-soft);color:var(--brand)}
.pill.lime{background:rgba(200,241,105,.4);color:#4A6A12}
.pill.orange{background:rgba(255,106,42,.12);color:var(--accent-dark)}

/* ---------- 步骤卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-m);padding:24px 22px;box-shadow:var(--shadow-s);display:flex;flex-direction:column;gap:12px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-m);border-color:rgba(14,143,110,.3)}
.step-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.step-idx{width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--lime);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px}
.step-card h3{font-size:18px}
.step-card p{font-size:14.5px;color:var(--muted);margin:0}
.step-foot{margin-top:auto;padding-top:12px;border-top:1px dashed var(--border);font-size:13px;color:var(--faint);display:flex;justify-content:space-between;gap:10px}
.step-foot b{color:var(--brand);font-weight:600}

/* ---------- 规则要点 ---------- */
.rule-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:52px;align-items:start}
.rule-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.rule-item{display:flex;gap:12px;align-items:flex-start;background:var(--card);border:1px solid var(--border);border-radius:var(--r-m);padding:16px 18px;box-shadow:var(--shadow-s);font-size:14.5px;color:var(--muted)}
.rule-item svg{width:19px;height:19px;flex-shrink:0;margin-top:5px;stroke:var(--brand)}
.rule-item b{color:var(--ink);font-weight:600}
.note-card{background:#fff;border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:var(--r-m);padding:20px 22px;box-shadow:var(--shadow-s);margin-top:22px}
.note-card h3{font-size:17px;margin-bottom:8px}
.note-card p{font-size:14.5px;color:var(--muted);margin:0}
.img-frame{position:relative;border-radius:var(--r-l);overflow:hidden;box-shadow:var(--shadow-m);border:1px solid var(--border)}
.img-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.img-frame .img-cap{position:absolute;left:16px;bottom:16px;right:16px;background:rgba(9,20,16,.78);color:#E4EFE8;border-radius:var(--r-m);padding:12px 16px;font-size:13.5px;backdrop-filter:blur(2px)}

/* ---------- 图文排查区 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:52px;align-items:center}
.split.reverse .split-media{order:2}
.check-list{display:grid;gap:14px;margin-top:22px}
.check-item{display:flex;gap:14px;background:#fff;border:1px solid var(--border);border-radius:var(--r-m);padding:16px 18px;box-shadow:var(--shadow-s);transition:transform .2s ease,box-shadow .2s ease}
.check-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-m)}
.check-item .ci-num{width:28px;height:28px;flex-shrink:0;border-radius:9px;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px}
.check-item h3{font-size:16px;margin-bottom:4px}
.check-item p{font-size:14px;color:var(--muted);margin:0}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--r-m);margin-bottom:14px;box-shadow:var(--shadow-s);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item.is-open{border-color:rgba(255,106,42,.55);box-shadow:var(--shadow-m)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:transparent;border:0;padding:20px 22px;font-size:17px;font-weight:600;color:var(--ink);text-align:left;cursor:pointer;transition:color .2s ease}
.faq-q:hover{color:var(--brand)}
.faq-icon{width:26px;height:26px;flex-shrink:0;border-radius:50%;border:1px solid var(--border);position:relative;transition:transform .25s ease,background .25s ease,border-color .25s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--muted);transform:translate(-50%,-50%);border-radius:2px}
.faq-icon::before{width:11px;height:2px}
.faq-icon::after{width:2px;height:11px;transition:opacity .2s ease}
.faq-item.is-open .faq-icon{background:var(--accent);border-color:var(--accent);transform:rotate(180deg)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:#fff}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.9;border-top:1px solid transparent}
.faq-item.is-open .faq-a-inner{border-top-color:var(--border)}

/* ---------- CTA ---------- */
.cta-panel{position:relative;overflow:hidden;border-radius:var(--r-l);background:var(--ink);color:#fff;padding:52px 48px;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.9fr);gap:40px;align-items:center}
.cta-panel::before{content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(14,143,110,.55),transparent 68%)}
.cta-panel::after{content:"";position:absolute;left:-80px;bottom:-140px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(255,106,42,.32),transparent 70%)}
.cta-panel>*{position:relative;z-index:2}
.cta-panel h2{color:#fff;margin-bottom:14px;font-size:28px}
.cta-panel p{color:#BCCCC2;font-size:15.5px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-note{grid-column:1/-1;font-size:13.5px;color:#8FA398;border-top:1px solid rgba(255,255,255,.12);padding-top:20px;margin-top:6px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#B9C7BE;padding:64px 0 26px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .logo-mark{background:rgba(255,255,255,.08)}
.footer-brand .logo-text strong{color:#fff}
.footer-brand .logo-text span{color:#7F9287}
.footer-brand p{font-size:14px;color:#94A79C;margin-top:18px;line-height:1.85}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14.5px;color:#A9BBB0}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{font-size:14.5px;color:#A9BBB0;display:flex;gap:6px;flex-wrap:wrap}
.footer-contact b{color:#E4EFE8;font-weight:600}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-top:24px;font-size:13.5px;color:#7E9187}
.fb-links{display:flex;gap:18px;flex-wrap:wrap}
.fb-links a:hover{color:var(--lime)}

/* ---------- 空态 / 骨架 ---------- */
.empty-state{background:#fff;border:1px dashed var(--border);border-radius:var(--r-m);padding:40px 24px;text-align:center;color:var(--muted)}
.empty-state .es-icon{width:46px;height:46px;margin:0 auto 14px;border-radius:50%;background:var(--brand-soft);display:flex;align-items:center;justify-content:center;color:var(--brand);font-weight:800}
.empty-state p{font-size:14.5px;margin-bottom:14px}
.skeleton{background:linear-gradient(90deg,#EDF1EC 25%,#F6F8F4 37%,#EDF1EC 63%);background-size:400% 100%;animation:sk 1.4s ease infinite;border-radius:var(--r-m);height:16px}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  h1{font-size:38px}
  .hero h1{font-size:36px}
  .hero-inner{gap:38px}
  .container{padding:0 22px}
}
@media (max-width:1099px){
  .search-box input{width:130px}
  .overview{grid-template-columns:repeat(2,1fr)}
  .rule-wrap,.split{grid-template-columns:1fr;gap:34px}
  .split.reverse .split-media{order:0}
}
@media (max-width:1023px){
  .hero-inner{grid-template-columns:1fr;padding:60px 0 64px}
  .hero h1{font-size:34px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-panel{grid-template-columns:1fr;padding:44px 32px;text-align:left}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:991px){
  :root{--nav-h:64px}
  .main-nav{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:2px;background:#fff;padding:12px 20px 20px;border-bottom:1px solid var(--border);box-shadow:var(--shadow-m);margin:0}
  .main-nav.is-open{display:flex}
  .nav-link{padding:12px 12px;font-size:15.5px;border-radius:10px}
  .nav-link.is-active::after{display:none}
  .nav-toggle{display:flex}
  .search-box{display:none}
  .btn-ghost-login{display:none}
}
@media (max-width:767px){
  body{font-size:15.5px}
  h1{font-size:29px}
  h2{font-size:23px}
  h3{font-size:19px}
  .section{padding:52px 0}
  .hero h1{font-size:29px}
  .hero-sub{font-size:15.5px}
  .top-bar-inner{flex-wrap:wrap;justify-content:center;text-align:center;gap:10px;padding-top:12px;padding-bottom:12px}
  .top-status{width:100%;justify-content:center}
  .cd-label{font-size:12px}
  .overview{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .rule-list{grid-template-columns:1fr}
  .timeline{padding-left:44px}
  .tl-dot{left:-44px;width:34px;height:34px;font-size:14px}
  .timeline::before{left:16px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .cta-panel{padding:36px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .stat-row{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .logo-text strong{font-size:15px}
  .logo-text span{display:none}
  .stat-row{grid-template-columns:1fr}
  .cd-block{min-width:34px;font-size:15px}
  .hero-actions .btn{width:100%}
  .tl-body{padding:18px 18px}
  .faq-q{font-size:15.5px;padding:17px 18px}
}

/* roulang page: category2 */
:root{
  --primary:#0E8F6E;
  --primary-dark:#0A7057;
  --primary-soft:#E4F2EC;
  --accent:#FF6A2A;
  --accent-dark:#E4551A;
  --lime:#C8F169;
  --ink:#111A16;
  --bg:#F6F7F2;
  --card:#FFFFFF;
  --alt:#EEF3EC;
  --text:#1B2420;
  --muted:#5B6B62;
  --weak:#8A988F;
  --border:#DCE5DE;
  --danger:#D64545;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:22px;
  --pill:999px;
  --shadow:0 1px 2px rgba(17,26,22,.06),0 12px 28px rgba(17,26,22,.08);
  --shadow-hover:0 2px 4px rgba(17,26,22,.08),0 18px 38px rgba(17,26,22,.12);
  --container:1240px;
  --focus:0 0 0 3px rgba(255,106,42,.35);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
button,input,textarea,select{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:-.01em;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--alt{background:var(--alt);}
.section--tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--primary);text-transform:uppercase;margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--primary);border-radius:2px;}
.section-head h2{font-size:30px;margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16.5px;}

/* ============ 顶部倒计时条 ============ */
.topbar{background:var(--ink);color:#E7EFE9;font-size:14px;}
.topbar-inner{
  display:flex;align-items:center;gap:20px;
  min-height:52px;padding:8px 0;
}
.topbar-status{display:flex;align-items:center;gap:9px;flex:0 0 auto;font-weight:600;}
.dot{width:9px;height:9px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(200,241,105,.18);animation:pulse 2.2s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.45;}}
.countdown{display:flex;align-items:center;gap:10px;margin-left:auto;}
.countdown-label{color:#9DB0A5;font-size:13px;}
.cd-group{display:flex;gap:6px;}
.cd-cell{
  min-width:52px;text-align:center;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);border-radius:var(--r-sm);
  padding:3px 8px;line-height:1.25;
}
.cd-cell b{display:block;font-size:16px;color:var(--lime);font-variant-numeric:tabular-nums;}
.cd-cell span{font-size:11px;color:#9DB0A5;}
.topbar-link{color:#E7EFE9;font-size:13px;border-bottom:1px dashed rgba(231,239,233,.4);padding-bottom:2px;}
.topbar-link:hover{color:var(--lime);border-color:var(--lime);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;background:#fff;
  border-bottom:1px solid var(--border);
  box-shadow:0 4px 18px rgba(17,26,22,.05);
}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px;}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;border-radius:11px;background:var(--ink);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.logo-mark svg{width:21px;height:21px;}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text strong{font-size:16.5px;font-weight:800;color:var(--ink);}
.logo-text span{font-size:11.5px;color:var(--weak);letter-spacing:.04em;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  padding:9px 13px;border-radius:var(--r-sm);font-size:15px;font-weight:600;color:var(--muted);
  white-space:nowrap;
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft);}
.nav-link.is-active{color:var(--primary);background:var(--primary-soft);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;background:var(--bg);
  border:1px solid var(--border);border-radius:var(--pill);padding:0 14px;height:40px;
  transition:border-color .2s,box-shadow .2s;
}
.search-box:focus-within{border-color:var(--primary);box-shadow:var(--focus);}
.search-box svg{width:16px;height:16px;stroke:var(--weak);flex:0 0 auto;}
.search-box input{
  border:0;background:transparent;outline:none;width:170px;font-size:14px;
}
.search-box input::placeholder{color:var(--weak);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-md);font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:all .2s ease;
}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-1px);}
.btn-outline{background:#fff;border-color:var(--border);color:var(--ink);}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);}
.btn-ghost{background:transparent;color:var(--primary);border-color:transparent;}
.btn-ghost:hover{background:var(--primary-soft);}
.btn:active{transform:translateY(1px);}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;filter:grayscale(.5);}

.nav-toggle{
  display:none;width:42px;height:38px;border:1px solid var(--border);background:#fff;
  border-radius:10px;cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s;}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ============ 分类页 Hero ============ */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(9,20,16,.92) 0%,rgba(9,20,16,.72) 48%,rgba(14,143,110,.55) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center 30%;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 90px);
  opacity:.6;pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;padding-top:64px;padding-bottom:72px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:22px;flex-wrap:wrap;}
.crumb a:hover{color:var(--lime);}
.crumb span.sep{opacity:.5;}
.page-hero h1{font-size:42px;max-width:15em;margin-bottom:18px;}
.page-hero h1 em{font-style:normal;color:var(--lime);}
.hero-sub{max-width:640px;color:rgba(255,255,255,.85);font-size:17px;margin-bottom:28px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:var(--pill);
  font-size:13.5px;font-weight:600;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:#fff;
  backdrop-filter:blur(2px);
}
.tag--lime{background:var(--lime);color:var(--ink);border-color:transparent;}
.tag--accent{background:var(--accent);border-color:transparent;color:#fff;}
.tag-sm{font-size:12.5px;padding:5px 11px;background:var(--primary-soft);color:var(--primary);border-color:transparent;}
.tag-sm.is-ghost{background:#fff;border:1px solid var(--border);color:var(--muted);}

/* ============ 要点速览条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);
  box-shadow:var(--shadow);overflow:hidden;margin-top:-42px;position:relative;z-index:5;
}
.stat{padding:26px 24px;border-right:1px solid var(--border);}
.stat:last-child{border-right:0;}
.stat b{display:block;font-size:24px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat span{display:block;font-size:13.5px;color:var(--muted);margin-top:6px;}

/* ============ 双栏图文交错 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split + .split{margin-top:76px;}
.split--reverse .split-media{order:-1;}
.split-copy h3{font-size:22px;margin-bottom:14px;}
.split-copy > p{color:var(--muted);font-size:16.5px;}
.split-media{position:relative;}
.split-media img{
  width:100%;height:340px;object-fit:cover;border-radius:var(--r-xl);
  box-shadow:var(--shadow);border:1px solid var(--border);
}
.media-badge{
  position:absolute;left:18px;bottom:18px;
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(17,26,22,.85);color:#fff;border-radius:var(--pill);
  padding:7px 15px;font-size:13px;font-weight:600;
}
.media-badge i{width:8px;height:8px;border-radius:50%;background:var(--lime);display:block;}

.step-list{margin:22px 0 0;display:grid;gap:16px;}
.step-list li{display:flex;gap:14px;}
.step-no{
  flex:0 0 auto;width:30px;height:30px;border-radius:var(--r-sm);
  background:var(--primary);color:#fff;font-size:14px;font-weight:800;
  display:flex;align-items:center;justify-content:center;margin-top:4px;
  font-variant-numeric:tabular-nums;
}
.step-list li:nth-child(2) .step-no{background:#12A17C;}
.step-list li:nth-child(3) .step-no{background:#17906F;}
.step-body strong{display:block;font-size:16.5px;margin-bottom:4px;}
.step-body p{color:var(--muted);font-size:15.5px;margin:0;}

.tip-card{
  margin-top:26px;background:var(--alt);border-left:4px solid var(--primary);
  border-radius:0 var(--r-md) var(--r-md) 0;padding:18px 20px;font-size:15.5px;color:var(--muted);
}
.tip-card b{color:var(--text);}

.inline-list{margin-top:20px;display:grid;gap:10px;}
.inline-list li{
  display:flex;gap:10px;font-size:15.5px;color:var(--muted);
  padding:12px 16px;background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
}
.inline-list li::before{
  content:"";flex:0 0 auto;width:7px;height:7px;margin-top:10px;border-radius:50%;background:var(--accent);
}

/* ============ 时间轴 ============ */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;}
.timeline::before{
  content:"";position:absolute;top:22px;left:6%;right:6%;height:2px;
  background:repeating-linear-gradient(90deg,var(--border) 0 8px,transparent 8px 16px);
}
.tl-item{position:relative;padding-top:60px;text-align:center;}
.tl-node{
  position:absolute;top:6px;left:50%;transform:translateX(-50%);
  width:36px;height:36px;border-radius:50%;background:#fff;border:2px solid var(--primary);
  color:var(--primary);font-weight:800;font-size:14px;
  display:flex;align-items:center;justify-content:center;z-index:2;
  font-variant-numeric:tabular-nums;
}
.tl-item:hover .tl-node{background:var(--primary);color:#fff;}
.tl-item h3{font-size:17px;margin-bottom:8px;}
.tl-item p{color:var(--muted);font-size:15px;margin:0;}
.tl-time{display:inline-block;margin-top:10px;font-size:13px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;}

/* ============ FAQ ============ */
.faq-list{border:1px solid var(--border);border-radius:var(--r-lg);background:#fff;overflow:hidden;box-shadow:var(--shadow);}
.faq-item{border-bottom:1px solid var(--border);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 26px 22px 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:17px;font-weight:700;transition:color .2s,background-color .2s;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);background:#FBFCFA;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--alt);color:var(--primary);font-size:18px;font-weight:700;line-height:1;
  transition:transform .25s ease,background-color .25s ease;
}
.faq-item[open] summary{color:var(--primary);}
.faq-item[open] summary::after{content:"+";transform:rotate(45deg);background:var(--accent);color:#fff;}
.faq-answer{
  padding:0 26px 24px 26px;color:var(--muted);font-size:16px;line-height:1.85;
  border-left:3px solid transparent;background:#FBFCFA;
}
.faq-item[open] .faq-answer{border-left-color:var(--accent);}

.faq-layout{display:grid;grid-template-columns:1fr 320px;gap:44px;align-items:start;}
.side-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow);
}
.side-card + .side-card{margin-top:22px;}
.side-card h4{font-size:16px;margin-bottom:14px;}
.side-links li + li{border-top:1px dashed var(--border);}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 0;font-size:15px;color:var(--muted);
}
.side-links a:hover{color:var(--primary);}
.side-links a::after{content:"→";color:var(--weak);font-size:14px;}
.side-links a:hover::after{color:var(--accent);}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;border-radius:var(--r-xl);
  padding:52px 48px;display:grid;grid-template-columns:1.5fr 1fr;gap:36px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,105,.18),transparent 68%);
}
.cta-band h2{font-size:28px;margin-bottom:12px;position:relative;z-index:2;}
.cta-band p{color:rgba(255,255,255,.78);font-size:16px;margin:0;position:relative;z-index:2;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;z-index:2;}
.btn-on-dark{background:transparent;border-color:rgba(255,255,255,.35);color:#fff;}
.btn-on-dark:hover{border-color:var(--lime);color:var(--lime);background:rgba(255,255,255,.06);}

.back-links{display:flex;flex-wrap:wrap;gap:16px;margin-top:26px;}
.back-link{
  display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:var(--pill);
  background:#fff;border:1px solid var(--border);font-size:15px;font-weight:600;color:var(--muted);
}
.back-link:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px);box-shadow:var(--shadow);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#C7D3CB;font-size:15px;padding-top:64px;}
.site-footer .logo-text strong{color:#fff;}
.site-footer .logo-text span{color:var(--weak);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand p{margin-top:20px;color:#93A399;font-size:14.5px;line-height:1.85;max-width:34em;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul li + li{margin-top:11px;}
.footer-col a{color:#A9B8AF;font-size:14.5px;}
.footer-col a:hover{color:var(--accent);}
.footer-contact li{color:#A9B8AF;font-size:14.5px;}
.footer-contact b{color:#fff;font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:22px 0 28px;font-size:13.5px;color:#87968C;
}
.fb-links{display:flex;gap:18px;flex-wrap:wrap;}
.fb-links a{color:#87968C;}
.fb-links a:hover{color:var(--accent);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 22px;}
  .page-hero h1{font-size:38px;}
}
@media (max-width:1023px){
  .split{gap:34px;}
  .split-media img{height:290px;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(2){border-right:0;}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--border);}
}
@media (max-width:991px){
  .header-inner{min-height:64px;}
  .main-nav{
    position:fixed;left:0;right:0;top:0;padding:88px 22px 26px;
    background:#fff;flex-direction:column;align-items:stretch;gap:6px;
    border-bottom:1px solid var(--border);box-shadow:var(--shadow);
    transform:translateY(-110%);transition:transform .3s ease;z-index:-1;margin-left:0;
  }
  .main-nav.is-open{transform:translateY(0);z-index:40;}
  .nav-link{padding:14px 12px;font-size:16px;}
  .nav-toggle{display:flex;}
  .search-box{display:none;}
  .btn-ghost-login{display:none;}
  .timeline{grid-template-columns:repeat(2,1fr);}
  .timeline::before{display:none;}
  .tl-item{padding-top:52px;text-align:left;}
  .tl-node{left:0;transform:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .container{padding:0 20px;}
  .topbar-inner{flex-wrap:wrap;gap:10px;padding:10px 0;}
  .countdown{margin-left:0;width:100%;justify-content:space-between;}
  .cd-cell{min-width:44px;padding:2px 6px;}
  .cd-cell b{font-size:14px;}
  .topbar-link{display:none;}
  .page-hero .container{padding-top:44px;padding-bottom:52px;}
  .page-hero h1{font-size:29px;}
  .hero-sub{font-size:15.5px;}
  .section-head h2{font-size:23px;}
  .stat-strip{margin-top:-28px;}
  .stat{padding:20px 18px;}
  .stat b{font-size:20px;}
  .split{grid-template-columns:1fr;gap:26px;}
  .split--reverse .split-media{order:0;}
  .split + .split{margin-top:52px;}
  .split-media img{height:230px;}
  .split-copy h3{font-size:19.5px;}
  .timeline{grid-template-columns:1fr;gap:26px;}
  .cta-band{grid-template-columns:1fr;padding:34px 24px;border-radius:var(--r-lg);}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .faq-item summary{padding:18px 20px;font-size:16px;}
  .faq-answer{padding:0 20px 20px;}
}
@media (max-width:520px){
  .logo-text strong{font-size:14.5px;}
  .logo-text span{display:none;}
  .page-hero h1{font-size:25px;}
  .stat-strip{grid-template-columns:1fr;}
  .stat{border-right:0;border-bottom:1px solid var(--border);}
  .stat:last-child{border-bottom:0;}
  .btn{padding:11px 18px;font-size:14.5px;}
  .header-actions{gap:8px;}
}

/* roulang page: category3 */
:root{
  --green:#0E8F6E;
  --green-700:#0B7157;
  --green-900:#084D3C;
  --orange:#FF6A2A;
  --orange-700:#E8561A;
  --lime:#C8F169;
  --ink:#111A16;
  --bg:#F6F7F2;
  --card:#FFFFFF;
  --alt:#EEF3EC;
  --text:#1B2420;
  --muted:#5B6B62;
  --weak:#8A988F;
  --line:#DCE5DE;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(17,26,22,.06), 0 12px 28px rgba(17,26,22,.08);
  --sh-2:0 2px 4px rgba(17,26,22,.08), 0 18px 40px rgba(17,26,22,.12);
  --gap:24px;
  --sec-y:88px;
  --font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--green);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--orange);}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.25;font-weight:800;letter-spacing:.2px;}
h1{font-size:clamp(28px,3.4vw,46px);}
h2{font-size:clamp(22px,2.2vw,30px);}
h3{font-size:20px;font-weight:700;}
p{margin:0 0 1.15em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,button{font-size:16px;}
:focus-visible{outline:3px solid rgba(255,106,42,.4);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.sec{padding:var(--sec-y) 0;}
.sec-alt{background:var(--alt);}
.sec-ink{background:var(--ink);color:#DDE6DF;}
.sec-ink h2,.sec-ink h3{color:#fff;}

/* ============ 顶部倒计时条 ============ */
.topbar{background:var(--ink);color:#CFDDD4;font-size:14px;}
.topbar-inner{display:flex;align-items:center;gap:18px;min-height:46px;flex-wrap:wrap;}
.topbar-status{display:flex;align-items:center;gap:8px;color:#E6EFE9;font-weight:500;}
.dot{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(200,241,105,.18);animation:pulse 2.2s infinite;}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
.countdown{display:flex;align-items:center;gap:8px;margin-left:auto;}
.cd-label{color:#9FB3A7;}
.cd-num{
  display:inline-block;min-width:38px;text-align:center;padding:3px 8px;border-radius:8px;
  background:rgba(200,241,105,.14);color:var(--lime);font-weight:800;
}
.cd-sep{color:#6E8277;}
.topbar-link{color:#CFDDD4;border-bottom:1px dashed rgba(207,221,212,.5);}
.topbar-link:hover{color:var(--orange);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 1px 2px rgba(17,26,22,.04);
}
.header-inner{display:flex;align-items:center;gap:22px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--ink);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.logo-mark svg{width:20px;height:20px;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:16px;color:var(--ink);font-weight:800;letter-spacing:.2px;}
.logo-text span{font-size:11px;color:var(--weak);letter-spacing:2px;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1;}
.nav-link{
  padding:9px 13px;border-radius:var(--r-pill);font-size:15px;color:var(--muted);font-weight:500;
  white-space:nowrap;transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:var(--alt);color:var(--green-700);}
.nav-link.is-active{background:rgba(14,143,110,.1);color:var(--green-700);font-weight:700;}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.search-box{
  display:flex;align-items:center;gap:8px;height:42px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-pill);background:var(--bg);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-box svg{width:17px;height:17px;stroke:var(--weak);flex-shrink:0;}
.search-box input{
  border:0;background:transparent;outline:none;width:168px;font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:var(--weak);}
.search-box:focus-within{border-color:var(--green);background:#fff;box-shadow:0 0 0 3px rgba(14,143,110,.12);}
.nav-search{display:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-md);border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{padding:11px 18px;font-size:14px;}
.btn-primary{background:var(--green);color:#fff;}
.btn-primary:hover{background:var(--green-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-accent{background:var(--orange);color:#fff;}
.btn-accent:hover{background:var(--orange-700);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,106,42,.28);}
.btn-outline{background:#fff;border-color:var(--green);color:var(--green-700);}
.btn-outline:hover{background:rgba(14,143,110,.08);color:var(--green-700);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--green-700);border-color:transparent;}
.btn-ghost:hover{background:var(--alt);}
.btn:active{transform:translateY(1px);box-shadow:none;}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-lg{padding:15px 30px;font-size:16px;}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--r-md);
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--ink);}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(9,17,13,.92) 0%,rgba(9,17,13,.78) 45%,rgba(14,143,110,.55) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center 30%;
  filter:saturate(1.05);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.35;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 72px);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);gap:44px;padding:78px 0 84px;align-items:end;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#A9BAB0;margin-bottom:18px;flex-wrap:wrap;}
.crumb a{color:#CFDDD4;}
.crumb a:hover{color:var(--lime);}
.hero h1{color:#fff;max-width:16em;}
.hero h1 .hl{color:var(--lime);}
.hero-sub{margin-top:18px;max-width:44em;color:#C9D7CE;font-size:17px;line-height:1.85;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;border:1px solid rgba(255,255,255,.22);color:#E6F0E9;background:rgba(255,255,255,.07);
}
.tag-lime{background:rgba(200,241,105,.16);border-color:rgba(200,241,105,.4);color:var(--lime);}
.tag-orange{background:rgba(255,106,42,.16);border-color:rgba(255,106,42,.42);color:#FFC6A9;}
.hero-panel{
  background:rgba(9,17,13,.62);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-xl);
  padding:26px;backdrop-filter:blur(3px);
}
.hero-panel h3{color:#fff;font-size:16px;letter-spacing:.4px;margin-bottom:16px;}
.data-list{display:grid;gap:14px;}
.data-item{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px dashed rgba(255,255,255,.14);}
.data-item:last-child{border-bottom:0;padding-bottom:0;}
.data-item dt{color:#9FB3A7;font-size:13px;}
.data-item dd{margin:0;color:var(--lime);font-weight:800;font-size:16px;}

/* ============ 通用板块标题 ============ */
.sec-head{max-width:760px;margin-bottom:36px;}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--green-700);
  background:rgba(14,143,110,.1);padding:6px 14px;border-radius:var(--r-pill);margin-bottom:14px;
}
.sec-head h2{position:relative;padding-left:16px;}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:5px;border-radius:3px;
  background:linear-gradient(180deg,var(--green),var(--lime));
}
.sec-head p{margin-top:14px;color:var(--muted);font-size:16px;max-width:44em;}

/* ============ 标签筛选 ============ */
.filter-bar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);margin-bottom:32px;
}
.filter-label{font-size:13px;color:var(--weak);font-weight:600;margin-right:4px;}
.chip{
  padding:9px 18px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:600;color:var(--muted);transition:all .18s ease;
}
.chip:hover{border-color:var(--green);color:var(--green-700);transform:translateY(-1px);}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff;}
.chip.is-active .chip-count{color:var(--lime);}
.chip-count{font-size:12px;color:var(--weak);margin-left:6px;font-weight:500;}

/* ============ 瀑布图墙 ============ */
.wall{columns:3;column-gap:var(--gap);}
.wall-item{
  break-inside:avoid;-webkit-column-break-inside:avoid;page-break-inside:avoid;
  margin-bottom:var(--gap);display:block;
}
.wall-item.is-hidden{display:none;}
.wall-card{
  position:relative;display:block;border-radius:var(--r-lg);overflow:hidden;background:var(--card);
  border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.wall-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.wall-card img{width:100%;height:auto;object-fit:cover;display:block;transition:transform .5s ease;}
.wall-card:hover img{transform:scale(1.03);}
.wall-badge{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:5px 12px;border-radius:var(--r-pill);background:rgba(17,26,22,.78);color:var(--lime);
  font-size:12px;font-weight:700;letter-spacing:.3px;
}
.wall-badge.alt{background:var(--orange);color:#fff;}
.wall-body{padding:18px 20px 20px;}
.wall-body h3{font-size:17px;margin-bottom:8px;transition:color .2s ease;}
.wall-card:hover .wall-body h3{color:var(--green-700);}
.wall-body p{font-size:14px;color:var(--muted);line-height:1.8;margin:0;}
.wall-hover{
  position:absolute;left:0;right:0;bottom:0;z-index:3;
  padding:16px 20px;background:linear-gradient(0deg,rgba(9,17,13,.95),rgba(9,17,13,.72) 70%,transparent);
  color:#DCE9E0;font-size:13px;line-height:1.75;
  opacity:0;transform:translateY(10px);transition:opacity .25s ease,transform .25s ease;
}
.wall-card:hover .wall-hover,.wall-card:focus-within .wall-hover{opacity:1;transform:translateY(0);}
.wall-hover b{color:var(--lime);display:block;margin-bottom:4px;font-size:13px;}
.wall-empty{
  display:none;flex-direction:column;align-items:center;gap:12px;text-align:center;
  padding:64px 24px;border:1px dashed var(--line);border-radius:var(--r-lg);background:var(--card);
}
.wall-empty.is-show{display:flex;}
.wall-empty .ico{width:52px;height:52px;border-radius:50%;background:var(--alt);display:flex;align-items:center;justify-content:center;}
.wall-empty .ico svg{width:24px;height:24px;stroke:var(--green);}
.wall-empty p{color:var(--muted);font-size:14px;margin:0;}

/* ============ 时间轴步骤 ============ */
.steps{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--gap);
  position:relative;margin-top:8px;
}
.steps::before{
  content:"";position:absolute;left:24px;right:24px;top:24px;height:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 10px,transparent 10px 20px);
}
.step{position:relative;padding-top:60px;}
.step-num{
  position:absolute;top:0;left:0;width:48px;height:48px;border-radius:50%;
  background:#fff;border:2px solid var(--green);color:var(--green-700);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;z-index:2;
}
.step:nth-child(even) .step-num{border-color:var(--orange);color:var(--orange-700);}
.step h3{font-size:17px;margin-bottom:10px;}
.step p{font-size:14px;color:var(--muted);margin:0;}

/* ============ 双栏说明 ============ */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:52px;align-items:center;}
.split-media{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2);}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-media .float-note{
  position:absolute;left:18px;bottom:18px;right:18px;
  background:rgba(9,17,13,.82);color:#DCE9E0;border-radius:var(--r-md);
  padding:14px 16px;font-size:13px;line-height:1.75;
}
.split-media .float-note b{color:var(--lime);}
.check-list{display:grid;gap:14px;margin-top:22px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px;font-size:15px;color:var(--muted);
}
.check-list li b{color:var(--ink);display:block;font-size:15px;margin-bottom:2px;}
.check-ico{
  width:24px;height:24px;border-radius:8px;background:rgba(14,143,110,.12);color:var(--green-700);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;flex-shrink:0;margin-top:2px;
}

/* ============ 提示卡 ============ */
.note-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap);}
.note-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;
}
.note-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.note-card h3{font-size:17px;margin-bottom:10px;}
.note-card p{font-size:14px;color:var(--muted);margin:0;}
.note-ico{
  width:42px;height:42px;border-radius:12px;background:var(--alt);display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.note-ico svg{width:20px;height:20px;stroke:var(--green);}
.note-card.warn .note-ico{background:rgba(255,106,42,.12);}
.note-card.warn .note-ico svg{stroke:var(--orange-700);}

/* ============ FAQ ============ */
.faq{max-width:880px;margin:0 auto;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:0;text-align:left;padding:22px 44px 22px 0;position:relative;
  font-size:17px;font-weight:700;color:var(--ink);line-height:1.6;transition:color .2s ease;
}
.faq-q:hover{color:var(--green-700);}
.faq-q .chev{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);width:22px;height:22px;
  transition:transform .25s ease;stroke:var(--weak);
}
.faq-item.is-open .faq-q{color:var(--green-700);}
.faq-item.is-open .faq-q .chev{transform:translateY(-50%) rotate(180deg);stroke:var(--orange);}
.faq-a{display:none;padding:0 40px 24px 18px;border-left:3px solid var(--orange);margin-left:0;background:var(--alt);border-radius:0 var(--r-md) var(--r-md) 0;}
.faq-item.is-open .faq-a{display:block;}
.faq-a p{font-size:15px;color:var(--muted);margin:0;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:linear-gradient(120deg,var(--green-900) 0%,var(--green) 58%,#12A47C 100%);
  color:#fff;padding:52px;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:40px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,105,.28),transparent 65%);
}
.cta-band h2{color:#fff;}
.cta-band p{color:#D9EDE4;margin:14px 0 0;font-size:16px;max-width:36em;}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;}
.cta-actions .btn-outline{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.cta-actions .btn-outline:hover{background:rgba(255,255,255,.14);color:#fff;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#B9C9BF;padding:64px 0 28px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);}
.site-footer .logo-text strong{color:#fff;}
.site-footer .logo-text span{color:#7C9086;}
.site-footer .logo-mark{background:rgba(255,255,255,.08);}
.footer-brand p{margin-top:18px;line-height:1.9;color:#A4B7AC;font-size:14px;max-width:34em;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:700;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{color:#B9C9BF;font-size:14px;}
.footer-col a:hover{color:var(--orange);}
.footer-contact li{color:#A4B7AC;line-height:1.7;}
.footer-contact b{color:#E6F0E9;font-weight:600;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding-top:24px;color:#8FA398;font-size:13px;
}
.fb-links{display:flex;gap:18px;flex-wrap:wrap;}
.fb-links a{color:#8FA398;}
.fb-links a:hover{color:var(--orange);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero-inner{grid-template-columns:minmax(0,1.2fr) minmax(0,.9fr);gap:32px;}
}
@media (max-width:1023px){
  :root{--sec-y:72px;}
  .wall{columns:2;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:32px;}
  .steps::before{display:none;}
  .note-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:40px;}
  .split{gap:32px;}
}
@media (max-width:991px){
  .header-inner{height:64px;gap:14px;}
  .nav-toggle{display:flex;}
  .header-actions .search-box:not(.nav-search){display:none;}
  .btn-ghost-login{display:none;}
  .main-nav{
    position:fixed;left:0;right:0;top:64px;z-index:70;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:16px 20px 24px;box-shadow:var(--sh-2);
    display:none;max-height:calc(100vh - 64px);overflow-y:auto;margin-left:0;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:12px 14px;border-radius:var(--r-md);font-size:15px;}
  .nav-search{display:flex;margin-top:10px;width:100%;}
  .nav-search input{width:100%;}
  .hero-inner{grid-template-columns:1fr;padding:56px 0 60px;}
  .hero-panel{max-width:520px;}
  .split{grid-template-columns:1fr;}
}
@media (max-width:767px){
  :root{--sec-y:56px;--gap:18px;}
  .container{padding:0 20px;}
  .topbar-inner{min-height:auto;padding:12px 0;gap:10px;}
  .countdown{margin-left:0;width:100%;justify-content:flex-start;flex-wrap:wrap;row-gap:6px;}
  .topbar-link{margin-left:auto;}
  .sec-head{margin-bottom:26px;}
  .filter-bar{padding:12px;gap:8px;}
  .chip{padding:8px 14px;font-size:13px;}
  .steps{grid-template-columns:1fr;row-gap:24px;}
  .step{padding-top:0;padding-left:62px;}
  .step-num{position:absolute;top:0;left:0;}
  .note-grid{grid-template-columns:1fr;}
  .faq-q{font-size:16px;padding:18px 40px 18px 0;}
  .faq-a{padding:0 20px 20px 14px;}
  .cta-band{padding:32px 24px;border-radius:var(--r-lg);}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:560px){
  .wall{columns:1;}
  .logo-text strong{font-size:15px;}
  .logo-text span{letter-spacing:1px;}
  .hero h1{max-width:none;}
}

/* roulang page: category4 */
:root{
  --brand:#0E8F6E;
  --brand-deep:#0B7257;
  --accent:#FF6A2A;
  --accent-deep:#E85A1E;
  --lime:#C8F169;
  --ink:#111A16;
  --bg:#F6F7F2;
  --card:#FFFFFF;
  --alt:#EEF3EC;
  --text:#1B2420;
  --muted:#5B6B62;
  --weak:#8A988F;
  --border:#DCE5DE;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:16px;
  --radius-xl:24px;
  --shadow-sm:0 1px 2px rgba(17,26,22,.06),0 12px 28px rgba(17,26,22,.08);
  --shadow-md:0 2px 4px rgba(17,26,22,.08),0 18px 36px rgba(17,26,22,.12);
  --shadow-lift:0 4px 8px rgba(17,26,22,.08),0 22px 44px rgba(17,26,22,.14);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease;}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:.2px;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:3px solid rgba(255,106,42,.35);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部倒计时条 ---------- */
.topbar{background:var(--ink);color:rgba(255,255,255,.78);font-size:13.5px;}
.topbar-inner{display:flex;align-items:center;gap:20px;min-height:46px;padding-top:6px;padding-bottom:6px;}
.topbar-status{display:flex;align-items:center;gap:8px;white-space:nowrap;}
.topbar-status .dot{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(200,241,105,.18);animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
.countdown{display:flex;align-items:center;gap:10px;margin-left:auto;}
.countdown .cd-label{color:rgba(255,255,255,.6);white-space:nowrap;}
.cd-block{display:flex;align-items:baseline;gap:2px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:8px;padding:2px 9px;}
.cd-block b{color:var(--lime);font-size:15px;font-variant-numeric:tabular-nums;letter-spacing:.5px;}
.cd-block em{font-style:normal;font-size:11px;color:rgba(255,255,255,.55);}
.topbar-link{color:var(--lime);white-space:nowrap;font-weight:600;}
.topbar-link:hover{color:#fff;}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--border);box-shadow:0 6px 18px rgba(17,26,22,.05);}
.header-inner{display:flex;align-items:center;gap:22px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{width:38px;height:38px;border-radius:11px;background:var(--ink);display:flex;align-items:center;justify-content:center;flex:0 0 38px;}
.logo-mark svg{width:20px;height:20px;}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text strong{font-size:16px;font-weight:800;color:var(--ink);}
.logo-text span{font-size:11px;color:var(--weak);letter-spacing:.8px;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px;}
.nav-link{padding:9px 12px;border-radius:10px;font-size:15px;font-weight:500;color:var(--muted);white-space:nowrap;}
.nav-link:hover{background:var(--alt);color:var(--brand);}
.nav-link.is-active{color:var(--brand);background:rgba(14,143,110,.1);font-weight:700;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.search-box{display:flex;align-items:center;gap:8px;height:40px;width:216px;padding:0 14px;border-radius:999px;background:var(--alt);border:1px solid var(--border);transition:border-color .2s,box-shadow .2s,background-color .2s;}
.search-box:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,143,110,.12);}
.search-box svg{width:16px;height:16px;flex:0 0 16px;stroke:var(--weak);fill:none;stroke-width:2;stroke-linecap:round;}
.search-box input{border:none;background:transparent;outline:none;width:100%;font-size:14px;}
.search-box input::placeholder{color:var(--weak);}
.nav-search{display:none;}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:10px;background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:0;}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:12px;border:1px solid transparent;font-size:15px;font-weight:700;line-height:1.2;cursor:pointer;transition:transform .18s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;white-space:nowrap;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 10px 22px rgba(14,143,110,.28);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,106,42,.3);}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:rgba(14,143,110,.08);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--brand);}
.btn-ghost:hover{background:rgba(14,143,110,.1);}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px;}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(9,26,20,.92) 0%,rgba(11,40,31,.82) 48%,rgba(14,60,46,.68) 100%);}
.hero-inner{position:relative;z-index:2;padding:66px 0 62px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:20px;}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb i{font-style:normal;color:rgba(255,255,255,.4);}
.hero h1{font-size:44px;max-width:860px;letter-spacing:.4px;}
.hero .lead{margin-top:18px;max-width:720px;font-size:16.5px;color:rgba(255,255,255,.86);}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tag{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;font-size:13px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.9);}
.hero-tag.lime{background:rgba(200,241,105,.16);border-color:rgba(200,241,105,.45);color:var(--lime);}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:38px;max-width:880px;}
.stat{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-lg);padding:16px 18px;}
.stat b{display:block;font-size:23px;color:var(--lime);font-variant-numeric:tabular-nums;line-height:1.4;}
.stat span{font-size:13px;color:rgba(255,255,255,.75);}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0;}
.section.alt{background:var(--alt);}
.section-head{max-width:760px;margin-bottom:34px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);letter-spacing:1px;margin-bottom:12px;}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--brand);border-radius:2px;}
.section-head h2{font-size:30px;position:relative;padding-left:16px;}
.section-head h2::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:5px;height:26px;border-radius:3px;background:var(--brand);}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;}

/* ---------- 设备支持对照 ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.spec-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.spec-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:rgba(14,143,110,.35);}
.spec-card .spec-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px;}
.spec-icon{width:44px;height:44px;border-radius:12px;background:rgba(14,143,110,.1);display:flex;align-items:center;justify-content:center;color:var(--brand);font-weight:800;font-size:15px;}
.spec-card h3{font-size:18px;margin-bottom:10px;}
.spec-list li{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--muted);padding:7px 0;border-bottom:1px dashed var(--border);}
.spec-list li:last-child{border-bottom:none;}
.spec-list b{color:var(--text);font-weight:600;}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;font-size:12.5px;background:var(--alt);border:1px solid var(--border);color:var(--muted);white-space:nowrap;}
.tag.lime{background:rgba(200,241,105,.35);border-color:rgba(200,241,105,.9);color:#3D5A0E;font-weight:700;}
.tag.accent{background:rgba(255,106,42,.12);border-color:rgba(255,106,42,.32);color:#C64A14;font-weight:700;}

/* ---------- 图文 + 步骤 ---------- */
.intro-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:38px;align-items:center;margin-bottom:44px;}
.intro-media{border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-sm);position:relative;}
.intro-media img{width:100%;height:100%;min-height:280px;object-fit:cover;aspect-ratio:4/3;}
.intro-media .media-badge{position:absolute;left:18px;bottom:18px;display:inline-flex;align-items:center;gap:8px;background:rgba(17,26,22,.78);color:#fff;font-size:13px;padding:7px 14px;border-radius:999px;}
.intro-text h3{font-size:23px;margin-bottom:14px;}
.intro-text p{color:var(--muted);font-size:15.5px;}
.check-list{margin-top:18px;display:grid;gap:10px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--muted);}
.check-list .chk{flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:rgba(14,143,110,.12);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;margin-top:4px;}

.steps{display:grid;gap:16px;}
.step{display:grid;grid-template-columns:56px 1fr;gap:20px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px 24px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:rgba(14,143,110,.35);}
.step-num{width:48px;height:48px;border-radius:50%;background:rgba(14,143,110,.1);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:800;font-variant-numeric:tabular-nums;}
.step h3{font-size:19px;margin-bottom:8px;}
.step p{margin:0;color:var(--muted);font-size:15.5px;}
.step .step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}

/* ---------- FAQ + 侧栏 ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr) 342px;gap:34px;align-items:start;}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:14px;margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item:hover{border-color:rgba(14,143,110,.4);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;background:none;border:none;text-align:left;font-size:17px;font-weight:700;color:var(--ink);transition:color .2s ease;}
.faq-q:hover{color:var(--brand);}
.faq-q .icon{position:relative;flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--alt);transition:background-color .2s ease,transform .25s ease;}
.faq-q .icon::before,.faq-q .icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--muted);border-radius:2px;transform:translate(-50%,-50%);transition:background-color .2s ease,opacity .2s ease;}
.faq-q .icon::before{width:11px;height:2px;}
.faq-q .icon::after{width:2px;height:11px;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;background:var(--alt);}
.faq-a p{padding:16px 22px 18px;margin:0;font-size:15.5px;color:var(--muted);line-height:1.85;border-left:3px solid transparent;}
.faq-item.is-open{border-color:rgba(255,106,42,.5);box-shadow:var(--shadow-md);}
.faq-item.is-open .faq-q{color:var(--accent);}
.faq-item.is-open .faq-q .icon{background:rgba(255,106,42,.14);transform:rotate(180deg);}
.faq-item.is-open .faq-q .icon::before,.faq-item.is-open .faq-q .icon::after{background:var(--accent);}
.faq-item.is-open .faq-q .icon::after{opacity:0;}
.faq-item.is-open .faq-a{max-height:460px;}
.faq-item.is-open .faq-a p{border-left-color:var(--accent);}

.side-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px;margin-bottom:20px;box-shadow:var(--shadow-sm);}
.side-card h3{font-size:17px;margin-bottom:16px;position:relative;padding-left:12px;}
.side-card h3::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:16px;border-radius:2px;background:var(--brand);}
.side-search{width:100%;}
.hot-list li a{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px dashed var(--border);font-size:15px;color:var(--muted);}
.hot-list li:last-child a{border-bottom:none;padding-bottom:0;}
.hot-list b{color:var(--accent);font-variant-numeric:tabular-nums;font-weight:800;}
.hot-list a:hover{color:var(--brand);}
.cat-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 14px;border:1px solid var(--border);border-radius:12px;margin-bottom:10px;font-size:15px;font-weight:600;color:var(--muted);}
.cat-links a:last-child{margin-bottom:0;}
.cat-links a:hover{border-color:var(--brand);color:var(--brand);transform:translateX(2px);background:rgba(14,143,110,.05);}
.cat-links span{color:var(--weak);font-weight:500;font-size:13px;}
.update-card{background:var(--ink);border-radius:var(--radius-lg);padding:22px;color:rgba(255,255,255,.78);font-size:14.5px;}
.update-card h3{color:#fff;font-size:17px;margin-bottom:12px;position:relative;padding-left:12px;}
.update-card h3::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:16px;border-radius:2px;background:var(--lime);}
.update-card b{color:var(--lime);}
.update-card ul li{display:flex;justify-content:space-between;gap:12px;padding:7px 0;border-bottom:1px dashed rgba(255,255,255,.14);}
.update-card ul li:last-child{border-bottom:none;}

/* ---------- CTA ---------- */
.cta-wrap{padding:0 0 84px;}
.cta{background:linear-gradient(135deg,#0E8F6E 0%,#0B6E56 100%);border-radius:var(--radius-xl);padding:48px 52px;color:#fff;display:grid;grid-template-columns:1.35fr 1fr;gap:36px;align-items:center;position:relative;overflow:hidden;}
.cta::after{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;background:rgba(200,241,105,.14);}
.cta h2{font-size:30px;position:relative;z-index:2;}
.cta p{margin-top:14px;color:rgba(255,255,255,.85);font-size:15.5px;position:relative;z-index:2;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;position:relative;z-index:2;}
.cta .btn-outline{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.cta .btn-outline:hover{background:#fff;color:var(--brand-deep);border-color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:66px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.15fr;gap:40px;}
.footer-brand .logo-text strong{color:#fff;}
.footer-brand .logo-text span{color:rgba(255,255,255,.5);}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.66);max-width:340px;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;}
.site-footer ul li a{font-size:14.5px;line-height:2.1;color:rgba(255,255,255,.7);}
.site-footer ul li a:hover{color:var(--accent);}
.footer-contact li{font-size:14.5px;line-height:2.1;color:rgba(255,255,255,.7);}
.footer-contact b{color:#fff;font-weight:600;}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;font-size:13.5px;color:rgba(255,255,255,.6);}
.fb-links{display:flex;flex-wrap:wrap;gap:18px;}
.fb-links a:hover{color:var(--accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .header-inner{gap:16px;}
  .main-nav{margin-left:0;}
  .nav-link{padding:9px 10px;font-size:14.5px;}
  .search-box{width:180px;}
}
@media (max-width:1100px){
  .spec-grid{grid-template-columns:repeat(2,1fr);}
  .faq-layout{grid-template-columns:minmax(0,1fr) 300px;gap:26px;}
}
@media (max-width:991px){
  .nav-toggle{display:flex;}
  .search-box.header-search{display:none;}
  .btn-ghost-login{display:none;}
  .main-nav{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:4px;background:#fff;padding:12px 20px 22px;border-bottom:1px solid var(--border);box-shadow:0 18px 32px rgba(17,26,22,.12);}
  .main-nav.is-open{display:flex;}
  .nav-link{padding:13px 14px;font-size:15.5px;}
  .nav-search{display:flex;width:100%;margin-top:10px;}
  .hero h1{font-size:34px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .intro-grid{grid-template-columns:1fr;gap:26px;}
  .intro-media img{aspect-ratio:16/9;min-height:0;}
  .cta{grid-template-columns:1fr;padding:40px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:860px){
  .faq-layout{grid-template-columns:1fr;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .topbar-inner{flex-wrap:wrap;gap:10px;padding-top:10px;padding-bottom:10px;}
  .countdown{margin-left:0;width:100%;justify-content:flex-start;overflow-x:auto;padding-bottom:2px;}
  .topbar-link{display:none;}
  .header-inner{height:64px;}
  .logo-text strong{font-size:15px;}
  .logo-text span{display:none;}
  .logo-mark{width:34px;height:34px;flex:0 0 34px;}
  .hero-inner{padding:44px 0 46px;}
  .hero h1{font-size:28px;}
  .hero .lead{font-size:15.5px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:12px;margin-top:28px;}
  .stat{padding:14px;}
  .stat b{font-size:20px;}
  .section{padding:52px 0;}
  .section-head h2{font-size:23px;}
  .spec-grid{grid-template-columns:1fr;}
  .step{grid-template-columns:44px 1fr;gap:14px;padding:18px;}
  .step-num{width:40px;height:40px;font-size:14px;}
  .step h3{font-size:17.5px;}
  .faq-q{font-size:16px;padding:16px 18px;}
  .faq-a p{padding:14px 18px 16px;}
  .cta{padding:30px 24px;border-radius:18px;}
  .cta h2{font-size:23px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .cta-wrap{padding-bottom:56px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:52px 0 24px;}
  .footer-brand p{max-width:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:480px){
  .hero h1{font-size:25px;}
  .hero-stats{grid-template-columns:1fr;}
  .btn{padding:11px 18px;font-size:14.5px;}
  .cd-block b{font-size:14px;}
}