/* roulang page: index */
:root{
  --paper:#F6F3EE;
  --ink:#0D1211;
  --brand:#0F7A6C;
  --brand-soft:rgba(15,122,108,.08);
  --brand-line:rgba(15,122,108,.40);
  --gold:#C8873C;
  --cta:#F0552E;
  --cta-dark:#D8431F;
  --text:#12100E;
  --text-2:#3A3735;
  --text-3:#6E6A66;
  --text-4:#B9B4AE;
  --border:#E2DCD3;
  --ok:#1E9E6A;
  --warn:#D8860B;
  --err:#C8402F;
  --white:#FFFFFF;
  --r-card:14px;
  --r-block:20px;
  --r-btn:10px;
  --r-table:12px;
  --sh-1:0 1px 2px rgba(18,16,14,.05);
  --sh-2:0 14px 34px -18px rgba(18,16,14,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
  --font-cn:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-num:"Inter","HarmonyOS Sans SC","PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--cta);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:16px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:76px 0;}
.section--tight{padding:56px 0;}
.section--dark{background:var(--ink);color:#EDE9E2;}
.section-head{margin-bottom:32px;}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;color:var(--gold);font-weight:600;
  text-transform:uppercase;margin-bottom:10px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--gold);display:inline-block;}
h1{font-size:48px;line-height:1.2;font-weight:800;letter-spacing:-.01em;}
h2{font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.01em;}
h3{font-size:22px;line-height:1.45;font-weight:700;letter-spacing:-.01em;}
.lead{font-size:17px;color:var(--text-3);line-height:1.8;max-width:44em;}
.section--dark .lead{color:#B9B4AE;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;line-height:1;
  border:1px solid transparent;transition:all .18s var(--ease);
  white-space:nowrap;
}
.btn i{transition:transform .18s var(--ease);}
.btn-primary{background:var(--cta);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--cta-dark);color:#fff;transform:translateX(1px);}
.btn-primary:hover i{transform:translateX(4px);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand);}
.btn-ghost-light{background:transparent;color:#EDE9E2;border-color:rgba(237,233,226,.4);}
.btn-ghost-light:hover{background:rgba(237,233,226,.12);color:#fff;border-color:rgba(237,233,226,.7);}
.btn-text{background:none;border:none;color:var(--brand);padding:0;height:auto;font-size:15px;text-underline-offset:5px;text-decoration:underline;text-decoration-color:rgba(15,122,108,.35);}
.btn-text:hover{color:var(--cta);text-decoration-color:rgba(240,85,46,.5);}
.btn-sm{height:38px;padding:0 16px;font-size:15px;}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;
}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 11px;border-radius:999px;
  font-size:12px;letter-spacing:.02em;font-weight:600;line-height:1.7;
  border:1px solid var(--brand);color:var(--brand);background:transparent;
}
.badge--gold{border-color:var(--gold);color:var(--gold);}
.badge--ok{border-color:var(--ok);color:var(--ok);}
.badge--solid{background:var(--brand);color:#fff;border-color:var(--brand);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--white);
  border-bottom:1px solid var(--border);
}
.topbar{border-bottom:1px solid var(--border);background:var(--white);}
.topbar-inner{
  display:flex;align-items:center;gap:24px;height:72px;
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:36px;height:36px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(150deg,var(--brand) 0%,#0B5A50 100%);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:17px;letter-spacing:-.04em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em;}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.14em;font-family:var(--font-num);}
.search{
  flex:1 1 auto;max-width:420px;position:relative;display:flex;align-items:center;
}
.search input{
  width:100%;height:40px;border-radius:999px;
  border:1px solid var(--border);background:#FBF9F6;
  padding:0 42px 0 18px;font-size:15px;color:var(--text);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search input::placeholder{color:var(--text-4);}
.search input:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 2px var(--brand-line);
}
.search button{
  position:absolute;right:5px;width:32px;height:32px;border-radius:999px;
  border:none;background:transparent;color:var(--brand);font-size:14px;
}
.search button:hover{background:var(--brand-soft);}
.search-toggle{
  display:none;width:40px;height:40px;border-radius:999px;border:1px solid var(--border);
  background:#fff;color:var(--brand);font-size:15px;
}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto;}
.nav-actions .link{font-size:15px;color:var(--text-2);}
.nav-actions .link:hover{color:var(--brand);}
.nav-actions .sep{color:var(--border);}

/* ---------- 频道 Tabs ---------- */
.channel-bar{
  background:var(--white);
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 0 rgba(18,16,14,.02);
}
.channel-scroll{
  display:flex;align-items:center;gap:6px;height:56px;
  overflow-x:auto;scroll-snap-type:x proximity;
  -ms-overflow-style:none;scrollbar-width:none;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-tab{
  position:relative;flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  font-size:16px;font-weight:600;color:var(--text-2);
  transition:all .18s var(--ease);
}
.channel-tab i{font-size:13px;color:var(--text-4);}
.channel-tab:hover{color:var(--brand);background:var(--brand-soft);}
.channel-tab.is-active{color:var(--brand);}
.channel-tab.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:-1px;height:2px;
  background:var(--brand);border-radius:2px;
}
.channel-tab.is-active i{color:var(--brand);}

/* ---------- Hero ---------- */
.hero{
  background:var(--ink);color:#EDE9E2;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 82% 20%,rgba(15,122,108,.32),transparent 46%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  padding:76px 0 64px;
}
.hero h1{color:#fff;margin-bottom:18px;}
.hero h1 .accent{color:#6DD3C2;}
.hero-sub{
  font-size:18px;line-height:1.8;color:#B9B4AE;max-width:34em;margin-bottom:30px;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:14px;}
.hero-note{font-size:13px;color:#8C877F;letter-spacing:.02em;}
.hero-visual{position:relative;}
.hero-visual .hero-img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-block);
  border:1px solid rgba(237,233,226,.14);
}
.hero-float{
  position:absolute;right:-14px;bottom:-26px;width:210px;
  background:#fff;border-radius:var(--r-card);padding:12px 12px 14px;
  box-shadow:var(--sh-2);color:var(--text);
}
.hero-float img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:9px;margin-bottom:10px;}
.hero-float .t{font-size:14px;font-weight:700;line-height:1.45;}
.hero-float .m{font-size:12px;color:var(--text-3);margin-top:3px;}

/* ---------- 指标条 ---------- */
.metrics{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(237,233,226,.14);
}
.metric{padding:24px 24px 28px;border-right:1px solid rgba(237,233,226,.10);}
.metric:last-child{border-right:none;}
.metric .v{font-size:30px;font-weight:800;color:#fff;letter-spacing:-.01em;}
.metric .v span{font-size:16px;color:var(--gold);margin-left:3px;}
.metric .k{font-size:13px;color:#8C877F;margin-top:4px;}

/* ---------- 权益对比表 ---------- */
.table-wrap{
  margin-top:26px;border:1px solid var(--border);border-radius:var(--r-table);
  background:#fff;overflow-x:auto;box-shadow:var(--sh-1);
}
table.plan{width:100%;border-collapse:collapse;min-width:720px;}
table.plan th,table.plan td{
  padding:16px 20px;text-align:left;font-size:15px;min-height:52px;
  border-bottom:1px solid var(--border);
}
table.plan thead th{
  font-size:14px;font-weight:700;color:var(--text-2);
  background:#FBF9F6;letter-spacing:.02em;white-space:nowrap;
}
table.plan thead th.col-plan{text-align:center;width:19%;}
table.plan tbody tr:nth-child(even){background:#FCFAF7;}
table.plan tbody td{color:var(--text-2);}
table.plan tbody td.col-plan{text-align:center;color:var(--text);font-weight:600;}
table.plan tbody td.name{font-weight:600;color:var(--text);}
table.plan thead th.recommend{
  background:var(--brand-soft);color:var(--brand);position:relative;
  border-left:2px solid var(--brand);border-right:2px solid var(--brand);
}
table.plan td.recommend{border-left:2px solid var(--brand);border-right:2px solid var(--brand);background:rgba(15,122,108,.035);color:var(--brand);font-weight:600;}
table.plan tbody tr:last-child td{border-bottom:none;}
.tag-recommend{
  position:absolute;top:-11px;right:12px;
  background:var(--brand);color:#fff;font-size:11px;font-weight:700;
  padding:2px 9px;border-radius:999px;letter-spacing:.04em;
}
.mark-yes{color:var(--ok);font-weight:700;}
.mark-no{color:var(--text-4);}
.table-foot{font-size:13px;color:var(--text-3);margin-top:14px;line-height:1.9;}

/* ---------- 等级亮点 ---------- */
.grade-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;}
.grade-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;display:flex;flex-direction:column;gap:14px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  overflow:hidden;
}
.grade-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-line);}
.grade-card__media{overflow:hidden;border-radius:10px;}
.grade-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease);}
.grade-card:hover .grade-card__media img{transform:scale(1.03);}
.grade-card h3{font-size:20px;}
.grade-card p{font-size:15px;color:var(--text-3);line-height:1.8;}
.grade-card .arrow{margin-top:auto;font-size:15px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:7px;}
.grade-card:hover .arrow i{transform:translateX(4px);}
.grade-card .arrow i{transition:transform .18s var(--ease);}
.grade-col{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.grade-card--lg h2{font-size:26px;}
.grade-card--lg .grade-card__media img{aspect-ratio:16/9;}

/* ---------- 横向滚动内容带 ---------- */
.rail{
  display:grid;grid-auto-flow:column;grid-auto-columns:300px;gap:20px;
  overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:14px;
  -ms-overflow-style:none;scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none;}
.content-card{
  scroll-snap-align:start;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  display:flex;flex-direction:column;
}
.content-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-line);}
.content-card__media{overflow:hidden;}
.content-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease);}
.content-card:hover .content-card__media img{transform:scale(1.03);}
.content-card__body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.content-card h3{
  font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;
}
.content-card p{
  font-size:14px;color:var(--text-3);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--text-3);font-family:var(--font-num);
}
.card-meta a{font-family:var(--font-cn);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.card-meta a i{transition:transform .18s var(--ease);}
.card-meta a:hover i{transform:translateX(4px);}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.news-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:22px 24px;display:flex;flex-direction:column;gap:12px;
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-line);}
.news-card__top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.news-card h3{font-size:19px;line-height:1.5;}
.news-card h3 a{
  color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card h3 a:hover{color:var(--brand);}
.news-card p{
  font-size:15px;color:var(--text-3);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.empty-state{
  grid-column:1/-1;background:#fff;border:1px dashed var(--border);border-radius:var(--r-card);
  padding:46px 24px;text-align:center;color:var(--text-3);
}
.empty-state i{font-size:26px;color:var(--text-4);display:block;margin-bottom:12px;}
.empty-state p{font-size:15px;margin-bottom:16px;}

/* ---------- 用户反馈 ---------- */
.feedback-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.feedback-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;display:flex;flex-direction:column;gap:14px;box-shadow:var(--sh-1);
}
.feedback-card .quote{font-size:15px;color:var(--text-2);line-height:1.85;}
.feedback-card .who{display:flex;align-items:center;gap:12px;margin-top:auto;}
.avatar{
  width:38px;height:38px;border-radius:999px;flex:0 0 auto;
  background:var(--brand-soft);color:var(--brand);border:1px solid var(--brand-line);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;
}
.who .n{font-size:14px;font-weight:700;}
.who .d{font-size:12px;color:var(--text-3);}
.stars{color:var(--gold);font-size:12px;letter-spacing:2px;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 28px;align-items:start;}
.accordion{border:none;background:transparent;margin:0;}
.accordion .accordion-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
  transition:border-color .18s var(--ease);
}
.accordion .accordion-item.is-active{border-color:var(--brand-line);}
.accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:17px 20px;font-size:16px;font-weight:600;color:var(--text);
  border:none;background:transparent;line-height:1.6;
}
.accordion .accordion-title:hover{background:#FBF9F6;color:var(--brand);}
.accordion .accordion-title::before{
  content:"\f107";font-family:"Font Awesome 6 Free";font-weight:900;
  order:2;font-size:14px;color:var(--brand);transition:transform .24s var(--ease);
  flex:0 0 auto;
}
.accordion .accordion-item.is-active .accordion-title::before{transform:rotate(180deg);}
.accordion .accordion-content{
  padding:0 20px;border:none;background:#FCFAF7;
}
.accordion .accordion-content p{
  font-size:15px;color:var(--text-3);line-height:1.85;padding:14px 0 18px;
  border-top:1px solid var(--border);
}

/* ---------- CTA 表单 ---------- */
.cta-band{
  background:var(--ink);border-radius:var(--r-block);padding:44px;
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
  color:#EDE9E2;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;
  border-radius:50%;background:radial-gradient(circle,rgba(200,135,60,.22),transparent 68%);
}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:12px;position:relative;z-index:2;}
.cta-band p{font-size:15px;color:#B9B4AE;position:relative;z-index:2;}
.form{position:relative;z-index:2;display:grid;gap:14px;}
.field label{display:block;font-size:13px;color:#B9B4AE;margin-bottom:6px;}
.field input{
  width:100%;height:48px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.06);border:1px solid rgba(237,233,226,.22);
  color:#fff;padding:0 16px;font-size:15px;transition:border-color .18s var(--ease),background .18s var(--ease);
}
.field input::placeholder{color:#7E7973;}
.field input:focus{outline:none;border-color:#6DD3C2;background:rgba(255,255,255,.1);}
.field .err{font-size:13px;color:#FF8B6E;margin-top:5px;display:none;}
.field.has-error input{border-color:#C8402F;}
.field.has-error .err{display:block;}
.form-row{display:grid;grid-template-columns:1fr 150px;gap:12px;}
.code-btn{
  height:48px;border-radius:var(--r-btn);border:1px solid rgba(237,233,226,.3);
  background:transparent;color:#EDE9E2;font-size:14px;transition:all .18s var(--ease);
}
.code-btn:hover{background:rgba(237,233,226,.12);}
.agree{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:#B9B4AE;line-height:1.7;}
.agree input{width:16px;height:16px;margin-top:4px;accent-color:var(--cta);}
.form .btn-primary{width:100%;height:48px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#B9B4AE;padding:60px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-grid h4{font-size:13px;font-weight:600;color:#8C877F;letter-spacing:.06em;margin-bottom:16px;}
.footer-grid ul li{margin-bottom:10px;}
.footer-grid a{font-size:14px;color:#C9C4BD;}
.footer-grid a:hover{color:#6DD3C2;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:#7E7973;}
.footer-desc{font-size:14px;line-height:1.85;color:#8C877F;max-width:34em;}
.footer-bottom{
  border-top:1px solid rgba(237,233,226,.12);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:#7E7973;
}
.footer-bottom .lang a{color:#8C877F;margin-left:12px;}
.footer-bottom .lang a.is-active{color:#6DD3C2;}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  h1{font-size:38px;}
  h2{font-size:27px;}
  .section{padding:60px 0;}
  .hero-inner{grid-template-columns:1fr;gap:38px;padding:56px 0 48px;}
  .hero-float{position:static;width:100%;margin-top:16px;box-shadow:var(--sh-1);}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .metric:nth-child(2){border-right:none;}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid rgba(237,233,226,.10);}
  .grade-grid{grid-template-columns:1fr;}
  .grade-col{grid-template-rows:auto;grid-template-columns:1fr 1fr;}
  .news-grid{grid-template-columns:1fr;}
  .feedback-grid{grid-template-columns:1fr;}
  .faq-layout{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;gap:28px;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .search{max-width:none;}
  .nav-actions .link,.nav-actions .sep{display:none;}
}
@media (max-width:767px){
  body{font-size:16px;}
  h1{font-size:32px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .wrap{padding:0 16px;}
  .section{padding:48px 0;}
  .topbar-inner{height:64px;gap:12px;}
  .search{display:none;}
  .search.is-open{
    display:flex;position:absolute;left:16px;right:16px;top:12px;z-index:80;
    background:#fff;padding:6px;border-radius:999px;box-shadow:var(--sh-2);
  }
  .search-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .channel-scroll{height:50px;}
  .channel-tab{padding:7px 13px;font-size:15px;}
  .grade-col{grid-template-columns:1fr;}
  .rail{grid-auto-columns:78%;}
  .metrics{grid-template-columns:1fr 1fr;}
  .metric{padding:18px 16px 20px;}
  .metric .v{font-size:24px;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:26px 20px;border-radius:var(--r-card);}
}
@media (max-width:519px){
  h1{font-size:28px;}
  .hero-cta .btn{width:100%;}
  .brand-name{font-size:16px;}
  .brand-sub{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important;}
  .reveal{opacity:1!important;transform:none!important;}
}

/* roulang page: article */
:root{
  --paper:#F6F3EE;
  --ink:#0D1211;
  --ink-soft:#12100E;
  --text:#12100E;
  --deep:#3A3735;
  --muted:#6E6A66;
  --faint:#B9B4AE;
  --line:#E2DCD3;
  --brand:#0F7A6C;
  --brand-soft:rgba(15,122,108,.08);
  --brand-line:rgba(15,122,108,.4);
  --gold:#C8873C;
  --cta:#F0552E;
  --ok:#1E9E6A;
  --warn:#D8860B;
  --err:#C8402F;
  --r-card:14px;
  --r-block:20px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(18,16,14,.05);
  --sh-2:0 14px 34px -18px rgba(18,16,14,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
  --t-fast:180ms;
  --t-slow:320ms;
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--t-fast) var(--ease)}
a:hover{color:#0b5f55}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3;color:var(--text)}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.num,.tabular{font-variant-numeric:tabular-nums;font-family:Inter,"HarmonyOS Sans SC","PingFang SC",sans-serif}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---------- 双层导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line)}
.topbar{padding:12px 0}
.topbar-inner{display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:var(--ink);color:#fff;font-size:19px;font-weight:800;
  border-bottom:2px solid var(--gold);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.brand-sub{font-size:10px;letter-spacing:.18em;color:var(--faint);font-family:Inter,sans-serif}

.search{display:flex;align-items:center;flex:1 1 auto;max-width:420px;margin-left:8px;border:1px solid var(--line);border-radius:var(--r-btn);background:var(--paper);overflow:hidden;transition:border-color var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease)}
.search:focus-within{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-soft)}
.search input{flex:1 1 auto;height:40px;border:0;background:transparent;padding:0 14px;font-size:14px;outline:none}
.search input::placeholder{color:var(--faint)}
.search button{width:46px;height:40px;border:0;background:transparent;color:var(--muted);cursor:pointer;transition:color var(--t-fast) var(--ease)}
.search button:hover{color:var(--brand)}
.search-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);color:var(--deep);cursor:pointer}

.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.nav-actions .link{font-size:14px;color:var(--deep)}
.nav-actions .link:hover{color:var(--brand)}
.nav-actions .sep{color:var(--line)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;cursor:pointer;
  font-weight:600;transition:all var(--t-fast) var(--ease);white-space:nowrap;
}
.btn i{transition:transform var(--t-fast) var(--ease)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-lg{height:50px;padding:0 26px;font-size:16px}
.btn-primary{background:var(--cta);color:#fff}
.btn-primary:hover{background:#dd441f;color:#fff;transform:translateX(1px)}
.btn-primary:hover i{transform:translateX(4px)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand)}
.btn-ghost:hover i{transform:translateX(4px)}
.btn-text{background:transparent;color:var(--brand);padding:0}
.btn-text:hover{color:#0b5f55;text-decoration:underline;text-underline-offset:4px}
.btn:disabled,.btn.is-disabled{opacity:.4;pointer-events:none}

.channel-bar{border-top:1px solid var(--line);background:#fff}
.channel-scroll{
  display:flex;gap:6px;overflow-x:auto;scroll-snap-type:x proximity;
  padding:6px 0;-ms-overflow-style:none;scrollbar-width:none;
}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-tab{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;font-size:15px;color:var(--deep);white-space:nowrap;
  scroll-snap-align:start;border-radius:var(--r-btn);
}
.channel-tab i{font-size:13px;color:var(--faint)}
.channel-tab::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;border-radius:2px;
  background:transparent;transition:background var(--t-fast) var(--ease);
}
.channel-tab:hover{color:var(--brand);background:var(--brand-soft)}
.channel-tab:hover i{color:var(--brand)}
.channel-tab.is-active{color:var(--brand);font-weight:700}
.channel-tab.is-active i{color:var(--brand)}
.channel-tab.is-active::after{background:var(--brand)}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;background-color:var(--ink);
  padding:26px 0 44px;color:#fff;
}
.article-hero::before{content:"";position:absolute;inset:0;background:rgba(13,18,17,.86)}
.article-hero .wrap{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#B9B4AE;margin-bottom:16px}
.crumbs a{color:#E2DCD3}
.crumbs a:hover{color:#fff}
.crumbs .slash{color:rgba(255,255,255,.35)}
.crumbs .now{color:#fff;font-weight:600}
.article-title{font-size:48px;line-height:1.22;color:#fff;max-width:920px}
.meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:20px;font-size:13px;color:#CFCAC3}
.meta-line .num{letter-spacing:.02em}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.02em;font-weight:600;line-height:1.6;
}
.badge-brand{border:1px solid var(--brand);color:var(--brand);background:rgba(255,255,255,.06)}
.badge-gold{border:1px solid var(--gold);color:var(--gold);background:rgba(255,255,255,.06)}
.badge-dark{border:1px solid var(--line);color:var(--deep);background:#fff}

/* ---------- 正文布局 ---------- */
.section{padding:56px 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:56px;align-items:start}
.article-main{width:100%;max-width:780px;margin:0 auto;min-width:0}
.article-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-block);
  padding:36px 40px;box-shadow:var(--sh-1);
}
.article-body>*:first-child{margin-top:0}
.article-body p{font-size:17px;line-height:1.9;margin:0 0 20px;color:var(--deep)}
.article-body h2{
  font-size:26px;line-height:1.35;margin:40px 0 16px;padding-left:14px;
  border-left:3px solid var(--gold);color:var(--ink);
}
.article-body h3{font-size:20px;margin:32px 0 12px;color:var(--ink)}
.article-body h4{font-size:18px;margin:24px 0 10px;color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:0}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;font-size:16px;line-height:1.85;color:var(--deep)}
.article-body ul li::before{content:"";position:absolute;left:2px;top:12px;width:6px;height:6px;border-radius:50%;background:var(--brand)}
.article-body ol{counter-reset:li}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:10px;font-size:16px;line-height:1.85;color:var(--deep);counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:5px;width:20px;height:20px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:700;
  display:grid;place-items:center;font-family:Inter,sans-serif;
}
.article-body blockquote{
  margin:0 0 24px;padding:16px 20px;background:#FAF8F4;
  border-left:3px solid var(--brand);border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--deep);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;margin:0 0 24px;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;border-radius:var(--r-img);
}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 16px;text-align:left;vertical-align:top}
.article-body th{background:#F1EDE6;font-weight:700;color:var(--ink)}
.article-body tbody tr:nth-child(even){background:#FAF8F4}
.article-body pre{
  background:#F1EDE6;border:1px solid var(--line);border-radius:var(--r-img);
  padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.7;margin:0 0 24px;
}
.article-body code{font-family:Inter,ui-monospace,Menlo,Consolas,monospace;font-size:14px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body a{border-bottom:1px solid var(--brand-line)}

.article-empty{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-block);
  padding:64px 32px;text-align:center;box-shadow:var(--sh-1);
}
.article-empty .empty-icon{
  width:64px;height:64px;border-radius:50%;margin:0 auto 18px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-size:24px;
}
.article-empty h3{font-size:20px;margin-bottom:8px}
.article-empty p{color:var(--muted);font-size:15px;margin-bottom:22px}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:130px;display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1)}
.side-card h3{font-size:15px;font-weight:700;margin-bottom:14px;color:var(--ink)}
.side-list li+li{margin-top:12px;border-top:1px dashed var(--line);padding-top:12px}
.side-list a{font-size:14px;line-height:1.6;color:var(--deep);display:block}
.side-list a:hover{color:var(--brand)}
.side-list span{display:block;font-size:12px;color:var(--faint);margin-top:4px}
.side-cta{background:var(--ink);border-color:var(--ink);color:#fff}
.side-cta h3{color:#fff}
.side-cta p{font-size:13px;color:#B9B4AE;line-height:1.7;margin-bottom:16px}
.side-fact{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);padding:8px 0;border-bottom:1px dashed var(--line)}
.side-fact:last-child{border-bottom:0}
.side-fact b{color:var(--ink);font-weight:700}

/* ---------- 标签与相关 ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:28px}
.tag-row .label{font-size:13px;color:var(--muted);margin-right:4px}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:13px;color:var(--deep);
  transition:all var(--t-fast) var(--ease);
}
.tag:hover{border-color:var(--brand-line);color:var(--brand);background:var(--brand-soft)}

.back-channel{display:inline-flex;align-items:center;gap:8px;font-size:14px;margin-top:22px;color:var(--brand)}
.back-channel i{transition:transform var(--t-fast) var(--ease)}
.back-channel:hover i{transform:translateX(-4px)}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2{font-size:32px}
.section-head .sub{font-size:15px;color:var(--muted);margin-top:8px}
.section-head .more{font-size:14px;display:inline-flex;align-items:center;gap:8px;flex:0 0 auto}
.section-head .more i{transition:transform var(--t-fast) var(--ease)}
.section-head .more:hover i{transform:translateX(4px)}

.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform var(--t-slow) var(--ease),box-shadow var(--t-slow) var(--ease),border-color var(--t-slow) var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:var(--brand-line);box-shadow:var(--sh-2)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDE8E1}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow) var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card-body h3{
  font-size:17px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body h3 a{color:var(--ink)}
.card-body h3 a:hover{color:var(--brand)}
.card-body p{
  font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:12px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);
}
.card-foot .arrow{color:var(--brand)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion{border:0;background:transparent;margin:0}
.accordion .accordion-item{
  border:1px solid var(--line)!important;border-radius:var(--r-card);background:#fff;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
}
.accordion .accordion-title{
  font-size:16px;font-weight:700;color:var(--ink);padding:18px 52px 18px 22px;
  border:0;background:#fff;transition:color var(--t-fast) var(--ease);
}
.accordion .accordion-title:hover{background:#FAF8F4;color:var(--brand)}
.accordion .accordion-title::before{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  right:22px;left:auto;color:var(--brand);transition:transform 240ms var(--ease);
}
.accordion .accordion-item.is-active .accordion-title::before{transform:rotate(180deg)}
.accordion .accordion-content{padding:0 22px 20px;border:0!important;background:#fff}
.accordion .accordion-content p{font-size:15px;color:var(--deep);line-height:1.8}

/* ---------- CTA ---------- */
.cta-strip{
  background:var(--ink);border-radius:var(--r-block);padding:34px 36px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  border:1px solid var(--ink);
}
.cta-strip h3{font-size:22px;color:#fff}
.cta-strip p{font-size:14px;color:#B9B4AE;margin-top:6px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#CFCAC3;margin-top:64px;padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.site-footer .brand-name{color:#fff}
.site-footer .brand-sub{color:#7A7570}
.footer-desc{font-size:14px;line-height:1.8;color:#B9B4AE;max-width:320px}
.site-footer h4{font-size:13px;font-weight:600;color:#B9B4AE;letter-spacing:.04em;margin-bottom:16px}
.site-footer ul li{margin-bottom:10px}
.site-footer ul a{font-size:14px;color:#E2DCD3}
.site-footer ul a:hover{color:#fff}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:#8C8782;
}
.footer-bottom .lang a{color:#8C8782;margin-left:12px}
.footer-bottom .lang a.is-active{color:#fff}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity var(--t-slow) var(--ease),transform var(--t-slow) var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{gap:36px}
}
@media (max-width:1023px){
  .article-title{font-size:34px}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-side{position:static;grid-row:2}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section{padding:44px 0}
}
@media (max-width:768px){
  body{font-size:16px}
  .search{display:none}
  .search-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-actions .link,.nav-actions .sep{display:none}
  .article-hero{padding:20px 0 34px}
  .article-title{font-size:28px}
  .article-body{padding:26px 22px}
  .article-body h2{font-size:22px}
  .section-head h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:639px){
  .wrap{padding:0 16px}
  .brand-name{font-size:15px}
  .brand-sub{display:none}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .cta-strip{padding:26px 20px}
  .cta-strip .btn{width:100%}
  .article-title{font-size:24px}
  .channel-tab{padding:10px 12px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms!important;animation-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
  .card:hover{transform:none}
  .card:hover .card-media img{transform:none}
}

/* roulang page: category1 */
:root{
  --bg:#F6F3EE;
  --ink:#0D1211;
  --ink-2:#12100E;
  --g900:#3A3735;
  --g600:#6E6A66;
  --g400:#B9B4AE;
  --line:#E2DCD3;
  --card:#FFFFFF;
  --primary:#0F7A6C;
  --primary-d:#0C6659;
  --primary-soft:rgba(15,122,108,.08);
  --gold:#C8873C;
  --cta:#F0552E;
  --cta-d:#D84518;
  --ok:#1E9E6A;
  --warn:#D8860B;
  --err:#C8402F;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(18,16,14,.05);
  --sh-2:0 14px 34px -18px rgba(18,16,14,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
  --wrap:1200px;
  --font:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-2);
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),opacity .18s var(--ease)}
a:hover{color:var(--primary-d)}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{font-weight:800;letter-spacing:-.01em;line-height:1.25;margin:0 0 14px;color:var(--ink-2)}
h1{font-size:48px}
h2{font-size:32px}
h3{font-size:22px}
h4{font-size:17px}
button{font-family:inherit}
::selection{background:rgba(15,122,108,.18)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.num,.stat-num,.level-num,.time{font-family:Inter,"HarmonyOS Sans SC","PingFang SC",sans-serif;font-variant-numeric:tabular-nums}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.grid-x.gutters{margin-left:-12px;margin-right:-12px}
.grid-x.gutters>.cell{padding-left:12px;padding-right:12px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;box-shadow:0 1px 0 rgba(18,16,14,.06)}
.topbar{border-bottom:1px solid var(--line);background:#fff}
.topbar-inner{position:relative;display:flex;align-items:center;gap:18px;height:56px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink-2)}
.brand:hover{color:var(--ink-2)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--primary);color:#fff;
  display:grid;place-items:center;font-size:16px;font-weight:800;line-height:1;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:15px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-sub{font-size:10px;letter-spacing:.16em;color:var(--g600);font-weight:600}
.search{position:relative;display:flex;align-items:center;flex:1 1 auto;max-width:420px}
.search input[type=search]{
  width:100%;height:40px;padding:0 44px 0 14px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#FBFAF8;font-size:14px;color:var(--ink-2);margin:0;transition:border-color .18s var(--ease),background-color .18s var(--ease);
}
.search input[type=search]::placeholder{color:var(--g400)}
.search input[type=search]:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 2px rgba(15,122,108,.14)}
.search button{
  position:absolute;right:4px;top:4px;width:32px;height:32px;border:0;border-radius:8px;
  background:transparent;color:var(--g600);cursor:pointer;transition:background-color .18s var(--ease),color .18s var(--ease);
}
.search button:hover{background:var(--primary-soft);color:var(--primary)}
.search-toggle{display:none;width:38px;height:38px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;color:var(--g900);cursor:pointer}
.search-toggle:hover{border-color:var(--primary);color:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.nav-actions .link{font-size:14px;color:var(--g600)}
.nav-actions .link:hover{color:var(--primary)}
.nav-actions .sep{color:var(--g400);font-size:12px}
.channel-bar{background:#fff;border-bottom:1px solid var(--line)}
.channel-bar .wrap{position:relative}
.channel-bar .wrap::after{
  content:"";position:absolute;right:8px;top:0;bottom:0;width:44px;pointer-events:none;
  background:linear-gradient(to right,rgba(255,255,255,0),#fff 70%);
}
.channel-scroll{
  display:flex;align-items:center;gap:6px;padding:6px 0;overflow-x:auto;
  scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-tab{
  display:inline-flex;align-items:center;gap:7px;padding:8px 15px;border-radius:999px;white-space:nowrap;
  font-size:14px;font-weight:600;color:var(--g600);scroll-snap-align:start;transition:all .18s var(--ease);
}
.channel-tab i{font-size:13px;opacity:.85}
.channel-tab:hover{background:var(--primary-soft);color:var(--primary)}
.channel-tab.is-active{background:var(--primary);color:#fff;box-shadow:0 6px 16px -10px rgba(15,122,108,.9)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:all .18s var(--ease);
}
.btn i{transition:transform .18s var(--ease)}
.btn-primary{background:var(--cta);color:#fff;border-color:var(--cta)}
.btn-primary:hover{background:var(--cta-d);border-color:var(--cta-d);color:#fff;transform:translateX(1px)}
.btn-primary:hover i{transform:translateX(4px)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-d);border-color:var(--primary-d)}
.btn-ghost.is-on-dark{color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost.is-on-dark:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.7)}
.btn-sm{height:36px;padding:0 15px;font-size:13.5px}
.btn-block{width:100%}
.btn:disabled,.btn.is-disabled{opacity:.4;pointer-events:none}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--primary);border-bottom:1px solid transparent;padding-bottom:2px}
.btn-text:hover{border-bottom-color:var(--primary)}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;margin-bottom:16px;color:var(--g600);flex-wrap:wrap}
.crumb a{color:var(--g600)}
.crumb a:hover{color:var(--primary)}
.crumb span{color:var(--g400)}
.crumb .cur{color:var(--ink-2);font-weight:600}
.crumb-dark,.crumb-dark a{color:rgba(255,255,255,.65)}
.crumb-dark a:hover{color:#fff}
.crumb-dark span{color:rgba(255,255,255,.35)}
.crumb-dark .cur{color:#fff}

/* ---------- Hero ---------- */
.hero{background:var(--ink);color:#fff;padding:52px 0 64px;position:relative;overflow:hidden}
.hero::after{
  content:"";position:absolute;inset:auto -120px -180px auto;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(200,135,60,.22);pointer-events:none;
}
.hero h1{color:#fff;max-width:14em}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.16em;
  color:var(--gold);text-transform:uppercase;margin:0 0 14px;
}
.hero-sub{font-size:17px;color:rgba(255,255,255,.78);max-width:34em;margin-bottom:26px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:34px}
.stat-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;border-top:1px solid rgba(255,255,255,.14);padding-top:22px;max-width:560px}
.stat-row li{display:flex;flex-direction:column;gap:4px}
.stat-num{font-size:30px;font-weight:800;color:#fff;line-height:1.1}
.stat-label{font-size:12.5px;color:rgba(255,255,255,.6);letter-spacing:.02em}
.hero-visual{position:relative;padding-bottom:34px}
.hero-photo{margin:0;border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.14);box-shadow:var(--sh-2)}
.hero-photo img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-mini{
  position:absolute;right:-6px;bottom:0;display:flex;align-items:center;gap:12px;
  background:#fff;color:var(--ink-2);border-radius:var(--r-card);padding:12px 16px;max-width:270px;box-shadow:var(--sh-2);
}
.hero-mini img{width:44px;height:44px;border-radius:10px;object-fit:cover;flex:0 0 auto}
.hero-mini strong{display:block;font-size:14px;line-height:1.3}
.hero-mini span{display:block;font-size:12px;color:var(--g600)}

/* ---------- 板块 ---------- */
.section{padding:64px 0}
.section.alt{background:#FBF9F5}
.section-head{max-width:760px;margin-bottom:32px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{margin-bottom:10px}
.section-head p{color:var(--g600);font-size:16px;margin:0}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 卡片 ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;
  box-shadow:var(--sh-1);height:100%;display:flex;flex-direction:column;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:rgba(15,122,108,.4);box-shadow:var(--sh-2)}
.card-media{border-radius:10px;overflow:hidden;margin:0 0 16px;aspect-ratio:16/9}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card h3{font-size:19px;margin-bottom:8px}
.card p{font-size:15px;color:var(--g900);margin:0 0 16px}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--g600)}
.card-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;
  background:var(--primary-soft);color:var(--primary);font-size:18px;
}
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;line-height:1.6}
.badge-primary{border:1px solid var(--primary);color:var(--primary);background:#fff}
.badge-gold{border:1px solid var(--gold);color:var(--gold);background:#fff}
.badge-ok{border:1px solid var(--ok);color:var(--ok);background:#fff}
.badge-mute{border:1px solid var(--line);color:var(--g600);background:#fff}

/* ---------- Pill 切换 ---------- */
.pill-group{display:flex;gap:8px;flex-wrap:wrap;overflow-x:auto;padding-bottom:2px}
.pill{
  padding:8px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--g600);
  font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap;transition:all .18s var(--ease);
}
.pill:hover{border-color:var(--primary);color:var(--primary)}
.pill.is-active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 8px 18px -12px rgba(15,122,108,.9)}

/* ---------- 权益表 ---------- */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:var(--sh-1);
  -webkit-overflow-scrolling:touch;
}
table.benefit{width:100%;min-width:780px;border-collapse:collapse;margin:0}
table.benefit th,table.benefit td{
  padding:15px 20px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);
  vertical-align:middle;color:var(--g900);
}
table.benefit thead th{
  background:#FAF7F2;font-size:13px;font-weight:700;letter-spacing:.02em;color:var(--g600);
  white-space:nowrap;border-bottom:1px solid var(--line);
}
table.benefit tbody tr:nth-child(even) td{background:#FCFAF7}
table.benefit td:first-child,table.benefit th:first-child{font-weight:700;color:var(--ink-2);min-width:190px;background:#fff}
table.benefit tbody tr:hover td{background:#F7F5F0}
table.benefit .col-pro{box-shadow:inset 2px 0 0 var(--primary),inset -2px 0 0 var(--primary)}
table.benefit thead th.col-pro{box-shadow:inset 2px 0 0 var(--primary),inset -2px 0 0 var(--primary),inset 0 2px 0 var(--primary);color:var(--primary)}
table.benefit tr.last-row td.col-pro{box-shadow:inset 2px 0 0 var(--primary),inset -2px 0 0 var(--primary),inset 0 -2px 0 var(--primary)}
.tag-rec{display:inline-block;margin-left:8px;padding:1px 8px;border-radius:999px;background:var(--primary);color:#fff;font-size:11px;font-weight:700;letter-spacing:.02em}
table.benefit .is-focus{background:rgba(15,122,108,.07)!important}
.dot-yes{color:var(--ok);font-weight:700}
.dot-no{color:var(--g400)}
.table-note{margin-top:14px;font-size:13px;color:var(--g600);line-height:1.9}

/* ---------- 等级块 ---------- */
.level-item{display:flex;gap:28px;padding:28px 0;border-bottom:1px dashed var(--line);align-items:flex-start}
.level-item:last-child{border-bottom:0}
.level-num{font-size:48px;font-weight:800;color:var(--gold);line-height:1;flex:0 0 auto;min-width:86px;letter-spacing:-.03em}
.level-body h3{margin-bottom:8px}
.level-body p{margin:0;color:var(--g600);font-size:15.5px;max-width:60ch}
.level-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);transition:all .18s var(--ease)}
.step:hover{transform:translateY(-2px);border-color:rgba(15,122,108,.4);box-shadow:var(--sh-2)}
.step-num{
  width:34px;height:34px;border-radius:999px;background:var(--ink);color:#fff;display:grid;place-items:center;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:6px}
.step p{font-size:14.5px;color:var(--g600);margin:0}

/* ---------- 折叠 ---------- */
.acc{border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden;box-shadow:var(--sh-1)}
.acc-item+.acc-item{border-top:1px solid var(--line)}
.acc-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;font-size:16px;font-weight:700;color:var(--ink-2);
  text-align:left;cursor:pointer;transition:background-color .18s var(--ease);
}
.acc-btn:hover{background:#FBFAF8}
.acc-btn i{color:var(--primary);font-size:14px;transition:transform .24s var(--ease);flex:0 0 auto}
.acc-item.is-open .acc-btn i{transform:rotate(180deg)}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.acc-panel-inner{padding:0 22px 20px;font-size:15px;color:var(--g900);line-height:1.9;max-width:78ch}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--ink);color:#fff;border-radius:var(--r-lg);padding:38px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin:0}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-meta{margin-top:14px;font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:56px 0 22px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.site-footer .brand-mark{background:var(--primary)}
.site-footer .brand-name{color:#fff}
.site-footer .brand-sub{color:rgba(255,255,255,.45)}
.footer-desc{font-size:14px;color:rgba(255,255,255,.6);max-width:34ch;margin:0}
.site-footer h4{font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--g400);margin:0 0 14px}
.site-footer ul li{margin-bottom:10px}
.site-footer ul a{font-size:14px;color:rgba(255,255,255,.72)}
.site-footer ul a:hover{color:#fff}
.footer-bottom{
  margin-top:38px;padding-top:18px;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:13px;color:rgba(255,255,255,.5);
}
.footer-bottom p{margin:0}
.lang a{margin-left:10px;color:rgba(255,255,255,.5)}
.lang a.is-active{color:#fff;font-weight:600}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  body{font-size:16px}
  h1{font-size:36px}
  h2{font-size:26px}
  h3{font-size:20px}
  .hero{padding:36px 0 46px}
  .section{padding:52px 0}
  .hero-visual{margin-top:28px;padding-bottom:0}
  .hero-mini{position:static;margin-top:16px;max-width:none;box-shadow:var(--sh-1)}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .wrap{padding:0 16px}
  .nav-actions .link,.nav-actions .sep{display:none}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .stat-num{font-size:26px}
  .section-head{margin-bottom:24px}
  .cta-band{padding:28px 22px}
  .cta-band h2{font-size:23px}
  .level-item{gap:16px}
  .level-num{font-size:36px;min-width:60px}
}
@media (max-width:639px){
  .brand-name{font-size:14px;max-width:158px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .brand-sub{display:none}
  .search{display:none}
  .search-toggle{display:grid;place-items:center;margin-left:auto}
  .topbar-inner.is-search-open .search{
    display:flex;position:absolute;left:0;right:0;top:9px;max-width:none;z-index:20;
  }
  .topbar-inner.is-search-open .search input[type=search]{background:#fff;box-shadow:0 10px 26px -14px rgba(18,16,14,.5)}
  .btn{height:42px;padding:0 18px;font-size:14.5px}
  .hero-actions .btn{flex:1 1 auto}
  .hero-actions{gap:10px}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .crumb{font-size:12px}
  .acc-btn{font-size:15px;padding:16px 18px}
  .acc-panel-inner{padding:0 18px 18px}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
  .card:hover,.step:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --ink:#12100E;
  --ink-2:#3A3735;
  --ink-3:#6E6A66;
  --ink-4:#B9B4AE;
  --line:#E2DCD3;
  --paper:#F6F3EE;
  --dark:#0D1211;
  --jade:#0F7A6C;
  --gold:#C8873C;
  --coral:#F0552E;
  --ok:#1E9E6A;
  --warn:#D8860B;
  --err:#C8402F;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(18,16,14,.05);
  --sh-2:0 14px 34px -18px rgba(18,16,14,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
  --font-cn:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-num:Inter,"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.8;
  color:var(--ink-2);
  background:var(--paper);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--jade);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:#0b6154;}
button{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--font-cn);color:var(--ink);letter-spacing:-.01em;margin:0;line-height:1.35;font-weight:800;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 16px;padding-left:1.2em;}
hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

.wrap{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}

/* ---------- 顶部阅读进度 ---------- */
.read-bar{position:fixed;top:0;left:0;height:3px;width:100%;background:transparent;z-index:200;pointer-events:none;}
.read-bar span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--jade),var(--coral));transition:width .1s linear;}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 1px 0 rgba(18,16,14,.06);}
.topbar{border-bottom:1px solid var(--line);}
.topbar-inner{display:flex;align-items:center;gap:20px;height:58px;position:relative;}
.brand{display:flex;align-items:center;gap:10px;min-width:0;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:9px;background:var(--jade);color:#fff;
  display:grid;place-items:center;font-size:16px;font-weight:800;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0;}
.brand-name{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap;}
.brand-sub{font-size:10px;letter-spacing:.18em;color:var(--ink-4);font-family:var(--font-num);}
.brand:hover .brand-name{color:var(--jade);}

.search{display:none;flex:1 1 auto;max-width:400px;position:relative;align-items:center;}
.search input{
  width:100%;height:40px;border:1px solid var(--line);border-radius:999px;background:var(--paper);
  padding:0 44px 0 18px;font-size:15px;color:var(--ink);outline:none;font-family:inherit;
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.search input::placeholder{color:var(--ink-4);}
.search input:focus{border-color:var(--jade);background:#fff;box-shadow:0 0 0 2px rgba(15,122,108,.16);}
.search button{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:32px;height:32px;border:0;border-radius:50%;background:var(--jade);color:#fff;
  cursor:pointer;display:grid;place-items:center;font-size:13px;transition:filter .18s var(--ease);
}
.search button:hover{filter:brightness(1.08);}
.search-toggle{
  margin-left:auto;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--ink-2);cursor:pointer;display:grid;place-items:center;font-size:15px;
}
.search-toggle:hover{border-color:var(--jade);color:var(--jade);}

.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto;}
.nav-actions .link{font-size:15px;color:var(--ink-2);font-weight:600;}
.nav-actions .link:hover{color:var(--jade);}
.nav-actions .sep{color:var(--ink-4);font-size:13px;}
.nav-actions .btn-ghost{display:none;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),filter .18s var(--ease);
}
.btn i{transition:transform .18s var(--ease);}
.btn:hover i{transform:translateX(4px);}
.btn-primary{background:var(--coral);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--coral);filter:brightness(1.06);color:#fff;transform:translateX(1px);}
.btn-ghost{background:transparent;color:var(--jade);border-color:var(--jade);}
.btn-ghost:hover{background:rgba(15,122,108,.08);color:var(--jade);}
.btn-sm{height:36px;padding:0 16px;font-size:14px;border-radius:9px;}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--jade);outline-offset:2px;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

.channel-bar{background:#fff;}
.channel-scroll{
  display:flex;align-items:stretch;gap:6px;overflow-x:auto;scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-tab{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  padding:11px 12px;font-size:14px;font-weight:600;color:var(--ink-3);
  white-space:nowrap;scroll-snap-align:start;border-radius:8px;
}
.channel-tab i{font-size:13px;color:var(--ink-4);transition:color .18s var(--ease);}
.channel-tab:hover{color:var(--jade);background:rgba(15,122,108,.06);}
.channel-tab:hover i{color:var(--jade);}
.channel-tab.is-active{color:var(--jade);font-weight:800;}
.channel-tab.is-active i{color:var(--jade);}
.channel-tab.is-active::after{
  content:"";position:absolute;left:10px;right:10px;bottom:0;height:2px;
  background:var(--jade);border-radius:2px;
}

.site-header.search-open .search{
  display:flex;position:absolute;left:0;right:0;top:58px;max-width:none;
  padding:12px 24px;background:#fff;border-bottom:1px solid var(--line);z-index:6;
}

/* ---------- 内页 Banner ---------- */
.page-hero{position:relative;background:var(--dark);color:#fff;overflow:hidden;}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.34;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(13,18,17,.92) 0%,rgba(13,18,17,.62) 58%,rgba(13,18,17,.4) 100%);
}
.page-hero .wrap{position:relative;z-index:2;padding-top:40px;padding-bottom:52px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#a9a49d;margin-bottom:20px;}
.crumb a{color:#cfcac4;}
.crumb a:hover{color:#fff;}
.crumb .slash{color:#5c5852;}
.crumb .current{color:#fff;font-weight:600;}
.page-hero h1{
  color:#fff;font-size:clamp(30px,4.4vw,46px);line-height:1.28;letter-spacing:-.015em;
  max-width:900px;margin-bottom:18px;
}
.hero-lead{font-size:17px;color:#d5d0c9;max-width:640px;margin:0;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-pill{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.22);font-size:13px;color:#ded9d2;background:rgba(255,255,255,.05);
}
.hero-pill i{color:var(--gold);font-size:12px;}

/* ---------- 主体布局 ---------- */
.layout{
  display:grid;grid-template-columns:224px minmax(0,1fr);gap:56px;
  padding:56px 0 24px;align-items:start;
}
.toc{position:sticky;top:132px;}
.toc-inner{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 16px;box-shadow:var(--sh-1);
}
.toc-title{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--ink-4);margin:0 0 12px;font-family:var(--font-num);}
.toc ul{list-style:none;margin:0;padding:0;}
.toc li{margin-bottom:2px;}
.toc a{
  display:block;padding:8px 10px;border-radius:8px;font-size:14px;color:var(--ink-3);
  font-weight:600;border-left:2px solid transparent;transition:all .18s var(--ease);
}
.toc a:hover{background:rgba(15,122,108,.07);color:var(--jade);}
.toc a.is-active{color:var(--jade);background:rgba(15,122,108,.09);border-left-color:var(--jade);}
.toc-tip{
  margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:12px;line-height:1.7;color:var(--ink-4);
}

.content-main{min-width:0;}
.section-head{margin-bottom:28px;}
.section-head h2{font-size:clamp(24px,3vw,32px);margin-bottom:10px;}
.section-head p{color:var(--ink-3);font-size:15px;max-width:720px;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.16em;color:var(--gold);font-family:var(--font-num);margin-bottom:12px;
}

/* ---------- 步骤区块 ---------- */
.steps{display:flex;flex-direction:column;gap:0;}
.step{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:36px;align-items:center;
  padding:36px 0;border-bottom:1px dashed var(--line);
}
.step:first-child{padding-top:2px;}
.step:last-child{border-bottom:0;}
.step-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;
  border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .32s var(--ease);
}
.step-media{overflow:hidden;border-radius:14px;}
.step-media:hover img{transform:scale(1.03);}
.step-rev .step-media{order:-1;}
.step-no{
  display:inline-block;font-family:var(--font-num);font-size:13px;font-weight:700;
  letter-spacing:.18em;color:var(--gold);margin-bottom:10px;
}
.step h3{font-size:22px;margin-bottom:14px;}
.step-body p{color:var(--ink-2);font-size:16px;line-height:1.85;max-width:660px;}
.step-note{
  display:flex;gap:10px;align-items:flex-start;margin-top:16px;padding:12px 14px;
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--jade);
  border-radius:10px;font-size:14px;color:var(--ink-3);max-width:660px;
}
.step-note i{color:var(--jade);margin-top:4px;font-size:13px;}

/* ---------- 对照小表 ---------- */
.mini-table-wrap{margin-top:20px;overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:#fff;}
.mini-table{width:100%;border-collapse:collapse;min-width:520px;}
.mini-table th,.mini-table td{padding:14px 16px;font-size:14px;text-align:left;border-bottom:1px solid var(--line);}
.mini-table thead th{background:#faf8f5;font-size:13px;color:var(--ink-3);font-weight:700;letter-spacing:.04em;}
.mini-table tbody tr:last-child td{border-bottom:0;}
.mini-table tbody tr:nth-child(even){background:#fbfaf8;}
.mini-table td:first-child{font-weight:700;color:var(--ink);}
.tag{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;
  font-size:12px;letter-spacing:.02em;font-weight:600;border:1px solid var(--jade);color:var(--jade);
}
.tag-gold{border-color:var(--gold);color:var(--gold);}
.tag-ok{border-color:var(--ok);color:var(--ok);}

/* ---------- FAQ ---------- */
.faq-block{margin-top:64px;}
.faq{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:700;color:var(--ink);line-height:1.6;
  transition:background .18s var(--ease);
}
.faq-q:hover{background:#fbfaf8;}
.faq-q i{color:var(--jade);font-size:14px;transition:transform .24s var(--ease);flex:0 0 auto;}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
.faq-a p{padding:0 22px 20px;margin:0;font-size:15px;color:var(--ink-3);line-height:1.8;max-width:760px;}

/* ---------- 下一步 ---------- */
.next-block{margin-top:64px;}
.next-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.next-grid > .cell{width:auto;margin:0;}
.next-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);height:100%;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.next-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(15,122,108,.4);}
.next-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.next-card-body{padding:22px;}
.next-card-body h3{font-size:20px;margin-bottom:10px;color:var(--ink);}
.next-card-body p{font-size:15px;color:var(--ink-3);margin:0 0 16px;}
.next-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--jade);}
.next-link i{transition:transform .18s var(--ease);}
.next-card:hover .next-link i{transform:translateX(4px);}

/* ---------- CTA ---------- */
.cta-band{margin-top:64px;}
.cta-card{
  position:relative;overflow:hidden;background:var(--dark);border-radius:var(--r-lg);
  padding:44px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-card::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;opacity:.2;
}
.cta-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(13,18,17,.92),rgba(13,18,17,.55));
}
.cta-copy{position:relative;z-index:2;max-width:620px;}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.6vw,28px);margin-bottom:10px;}
.cta-copy p{color:#c9c4bd;font-size:15px;margin:0;}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#cfcac4;margin-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding:56px 0 32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-sub{color:#7d7873;}
.site-footer h4{font-size:13px;font-weight:600;color:#9a958f;letter-spacing:.06em;margin:0 0 14px;}
.site-footer ul{list-style:none;margin:0;padding:0;}
.site-footer li{margin-bottom:10px;}
.site-footer a{color:#cfcac4;font-size:14px;}
.site-footer a:hover{color:#fff;text-decoration:underline;}
.footer-desc{font-size:14px;color:#9a958f;line-height:1.8;margin:0;max-width:320px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:18px 0 28px;
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8d8882;
}
.footer-bottom p{margin:0;}
.footer-bottom .lang a{margin-left:14px;font-size:13px;color:#8d8882;}
.footer-bottom .lang a.is-active{color:#fff;font-weight:600;}

/* ---------- 动效 ---------- */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease);}
[data-reveal].is-visible{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  [data-reveal]{opacity:1;transform:none;}
}

/* ---------- 响应式 ---------- */
@media (min-width:640px){
  .nav-actions .btn-ghost{display:inline-flex;}
}
@media (min-width:1024px){
  .search{display:flex;}
  .search-toggle{display:none;}
  .site-header.search-open .search{position:relative;top:auto;left:auto;right:auto;padding:0;border:0;background:transparent;}
}
@media (max-width:1023px){
  .layout{grid-template-columns:1fr;gap:0;padding-top:36px;}
  .toc{position:static;margin-bottom:32px;}
  .toc-inner{padding:14px 12px;}
  .toc ul{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding-bottom:4px;}
  .toc ul::-webkit-scrollbar{display:none;}
  .toc li{margin:0;flex:0 0 auto;}
  .toc a{white-space:nowrap;border-left:0;border-bottom:2px solid transparent;border-radius:999px;background:var(--paper);padding:7px 14px;font-size:13px;}
  .toc a.is-active{border-bottom-color:var(--jade);border-left:0;}
  .toc-tip{display:none;}
  .step{grid-template-columns:1fr;gap:22px;}
  .step-rev .step-media{order:0;}
  .step-media img{aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 24px;}
}
@media (max-width:768px){
  .next-grid{grid-template-columns:1fr;}
  .cta-card{padding:32px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
}
@media (max-width:639px){
  body{font-size:16px;}
  .wrap{padding:0 16px;}
  .topbar-inner{gap:12px;}
  .brand-sub{display:none;}
  .nav-actions .link,.nav-actions .sep{display:none;}
  .site-header.search-open .search{padding:12px 16px;}
  .page-hero .wrap{padding-top:28px;padding-bottom:40px;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-q{font-size:15px;padding:18px 16px;}
  .faq-a p{padding:0 16px 18px;}
}

/* roulang page: category3 */
:root{
  --paper:#F6F3EE;
  --ink:#0D1211;
  --brand:#0F7A6C;
  --brand-deep:#0B5C52;
  --brand-soft:rgba(15,122,108,.08);
  --brand-line:rgba(15,122,108,.40);
  --gold:#C8873C;
  --cta:#F0552E;
  --cta-deep:#D9451F;
  --text:#12100E;
  --text-2:#3A3735;
  --text-3:#6E6A66;
  --text-4:#B9B4AE;
  --line:#E2DCD3;
  --ok:#1E9E6A;
  --warn:#D8860B;
  --err:#C8402F;
  --r-card:14px;
  --r-block:20px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(18,16,14,.05);
  --shadow-2:0 14px 34px -18px rgba(18,16,14,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
  --t-fast:180ms;
  --t-slow:320ms;
  --wrap:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--t-fast) var(--ease)}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.32;color:var(--text)}
h1{font-size:48px}
h2{font-size:32px}
h3{font-size:22px}
h4{font-size:17px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
input,select,textarea{font:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.num,.metric-value,.pager a,.pager span,.help-meta time{font-family:"Inter","HarmonyOS Sans SC","PingFang SC",sans-serif;font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px;width:100%}
.section{padding:72px 0}
.section-tight{padding:48px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head .lead{margin-top:10px;color:var(--text-3);font-size:15px;max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);border-radius:2px}
.more-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);white-space:nowrap}
.more-link i{transition:transform var(--t-fast) var(--ease)}
.more-link:hover i{transform:translateX(4px)}
.badge{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;line-height:1.6;
  border:1px solid var(--line);color:var(--text-3);background:#fff;
}
.badge-brand{border-color:var(--brand-line);color:var(--brand);background:var(--brand-soft)}
.badge-gold{border-color:rgba(200,135,60,.5);color:var(--gold);background:rgba(200,135,60,.08)}
.badge-ok{border-color:rgba(30,158,106,.45);color:var(--ok);background:rgba(30,158,106,.08)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  border:1px solid transparent;font-size:15px;font-weight:600;letter-spacing:.01em;
  cursor:pointer;white-space:nowrap;transition:all var(--t-fast) var(--ease);
}
.btn i{transition:transform var(--t-fast) var(--ease)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-lg{height:50px;padding:0 28px;font-size:16px}
.btn-primary{background:var(--cta);border-color:var(--cta);color:#fff;box-shadow:0 8px 20px -12px rgba(240,85,46,.95)}
.btn-primary:hover{background:var(--cta-deep);border-color:var(--cta-deep);color:#fff;transform:translateX(1px)}
.btn-primary:hover i{transform:translateX(4px)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand)}
.btn-ghost:hover i{transform:translateX(4px)}
.btn-dark{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-dark:hover{background:#1c2321;color:#fff}
.btn[disabled]{opacity:.4;cursor:not-allowed}
.text-link{font-size:15px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.text-link::after{content:"";display:block;height:1px;background:currentColor;transition:width var(--t-fast) var(--ease)}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(18,16,14,.02)}
.topbar{background:#fff}
.topbar-inner{display:flex;align-items:center;gap:20px;min-height:58px;padding:8px 0}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:18px;font-weight:800;letter-spacing:0;
  box-shadow:0 6px 14px -10px rgba(15,122,108,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-size:16px;font-weight:800;color:var(--text);letter-spacing:-.01em;white-space:nowrap}
.brand-sub{font-size:10px;font-weight:600;letter-spacing:.18em;color:var(--text-4);margin-top:3px}
.search{position:relative;flex:1 1 auto;max-width:420px;display:flex;align-items:center}
.search input{
  width:100%;height:40px;padding:0 46px 0 14px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:#FBFAF7;color:var(--text);font-size:14px;
  transition:border-color var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease);
}
.search input::placeholder{color:var(--text-4)}
.search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(15,122,108,.16);background:#fff}
.search button{
  position:absolute;right:2px;top:2px;width:38px;height:36px;
  border:0;border-radius:8px;background:transparent;color:var(--text-3);
  cursor:pointer;transition:color var(--t-fast) var(--ease),background var(--t-fast) var(--ease);
}
.search button:hover{color:var(--brand);background:var(--brand-soft)}
.search-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;color:var(--text-2);cursor:pointer}
.search-toggle:hover{border-color:var(--brand);color:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.nav-actions .link{font-size:14px;font-weight:600;color:var(--text-2)}
.nav-actions .link:hover{color:var(--brand)}
.nav-actions .sep{color:var(--line)}

.channel-bar{background:#fff;border-top:1px solid var(--line)}
.channel-scroll{
  display:flex;align-items:center;gap:4px;
  overflow-x:auto;overflow-y:hidden;
  scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-tab{
  position:relative;flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 16px 10px;font-size:15px;font-weight:600;color:var(--text-2);
  border-radius:8px;transition:color var(--t-fast) var(--ease),background var(--t-fast) var(--ease);
}
.channel-tab i{font-size:13px;opacity:.75}
.channel-tab::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;
  border-radius:2px;background:transparent;transition:background var(--t-fast) var(--ease);
}
.channel-tab:hover{color:var(--brand);background:var(--brand-soft)}
.channel-tab.is-active{color:var(--brand)}
.channel-tab.is-active::after{background:var(--brand)}
.channel-bar .wrap{position:relative}
.channel-bar .wrap::after{
  content:"";position:absolute;top:0;right:0;bottom:0;width:36px;pointer-events:none;
  background:linear-gradient(to right,rgba(255,255,255,0),#fff);
}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--brand)}
.crumbs .slash{color:var(--text-4)}
.crumbs .current{color:#DEDAD3;font-weight:600}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;color:#fff;
  background:
    linear-gradient(120deg,rgba(13,18,17,.94) 0%,rgba(13,18,17,.86) 52%,rgba(13,18,17,.72) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding:34px 0 60px;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(200,135,60,.55),transparent);
}
.page-hero .eyebrow{color:#8FD8CC}
.page-hero h1{color:#fff;max-width:820px;margin-top:14px;line-height:1.22}
.page-hero .hero-lead{
  margin-top:16px;max-width:660px;color:rgba(255,255,255,.76);
  font-size:17px;line-height:1.85;
}
.hero-search{
  position:relative;display:flex;align-items:center;
  max-width:620px;margin-top:28px;
}
.hero-search input{
  width:100%;height:52px;padding:0 150px 0 46px;
  border:1px solid rgba(255,255,255,.22);border-radius:14px;
  background:rgba(255,255,255,.07);color:#fff;font-size:15px;
  transition:border-color var(--t-fast) var(--ease),background var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease);
}
.hero-search input::placeholder{color:rgba(255,255,255,.52)}
.hero-search input:focus{outline:none;border-color:var(--brand);background:rgba(255,255,255,.12);box-shadow:0 0 0 3px rgba(15,122,108,.28)}
.hero-search .s-icon{position:absolute;left:18px;color:rgba(255,255,255,.6);pointer-events:none}
.hero-search .btn{position:absolute;right:6px;top:6px;height:40px}
.hot-terms{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px}
.hot-terms .label{color:rgba(255,255,255,.5);letter-spacing:.04em}
.hot-pill{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.82);font-size:13px;
  transition:all var(--t-fast) var(--ease);
}
.hot-pill:hover{border-color:var(--gold);color:#fff;background:rgba(200,135,60,.18)}
.hero-note{
  margin-top:26px;display:flex;flex-wrap:wrap;gap:10px 26px;
  font-size:14px;color:rgba(255,255,255,.72);
}
.hero-note span{display:inline-flex;align-items:center;gap:8px}
.hero-note i{color:var(--gold)}

/* ---------- 指标条 ---------- */
.metric-band{background:#fff;border-bottom:1px solid var(--line)}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.metric{
  padding:26px 24px;border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:6px;
}
.metric:last-child{border-right:0}
.metric-value{font-size:34px;font-weight:800;color:var(--ink);line-height:1.1;letter-spacing:-.02em}
.metric-value .unit{font-size:15px;font-weight:600;color:var(--text-3);margin-left:4px}
.metric-label{font-size:14px;color:var(--text-3)}

/* ---------- 筛选 ---------- */
.filter-bar{
  display:flex;gap:8px;overflow-x:auto;padding:4px 0 10px;margin-bottom:8px;
  scroll-snap-type:x proximity;scrollbar-width:none;
}
.filter-bar::-webkit-scrollbar{display:none}
.filter-pill{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--text-2);
  font-size:14px;font-weight:600;cursor:pointer;
  transition:all var(--t-fast) var(--ease);
}
.filter-pill .count{font-size:12px;color:var(--text-4);font-variant-numeric:tabular-nums}
.filter-pill:hover{border-color:var(--brand);color:var(--brand)}
.filter-pill:hover .count{color:var(--brand)}
.filter-pill.is-active{background:var(--brand);border-color:var(--brand);color:#fff}
.filter-pill.is-active .count{color:rgba(255,255,255,.75)}
.filter-status{font-size:14px;color:var(--text-3);margin-bottom:22px}
.filter-status strong{color:var(--brand);font-variant-numeric:tabular-nums}

/* ---------- 帮助卡片 ---------- */
.help-grid{margin-top:0}
.help-cell{display:flex}
.help-card{
  display:flex;gap:16px;width:100%;padding:22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);color:inherit;
  transition:transform var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease);
}
.help-card:hover{
  transform:translateY(-2px);
  border-color:var(--brand-line);
  box-shadow:var(--shadow-2);
  color:inherit;
}
.help-icon{
  flex:0 0 auto;width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;font-size:17px;
  background:var(--brand-soft);color:var(--brand);border:1px solid rgba(15,122,108,.18);
}
.help-body{display:flex;flex-direction:column;gap:8px;min-width:0;flex:1}
.help-title{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:17px;font-weight:700;color:var(--text);line-height:1.5;
}
.help-desc{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:14px;color:var(--text-3);line-height:1.75;
}
.help-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:1px}
.help-meta i{font-size:13px;color:var(--text-4);transition:transform var(--t-fast) var(--ease),color var(--t-fast) var(--ease)}
.help-card:hover .help-meta i{transform:translateX(4px);color:var(--brand)}
.help-cell.is-hidden{display:none}

/* ---------- 分页 ---------- */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:44px;flex-wrap:wrap}
.pager a,.pager span{
  min-width:42px;height:42px;padding:0 14px;border-radius:var(--r-btn);
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;color:var(--text-2);
  font-size:14px;font-weight:600;transition:all var(--t-fast) var(--ease);
}
.pager a:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.pager .is-current{background:var(--brand);border-color:var(--brand);color:#fff}
.pager .is-disabled{opacity:.45;pointer-events:none}

/* ---------- FAQ ---------- */
.faq-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.faq-columns{display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;align-items:start}
.faq-item{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color var(--t-fast) var(--ease),background var(--t-fast) var(--ease);
}
.faq-item:hover{border-color:var(--brand-line)}
.faq-item.is-open{border-color:var(--brand-line);background:#fff}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:700;color:var(--text);line-height:1.6;
}
.faq-q i{flex:0 0 auto;font-size:13px;color:var(--brand);transition:transform 240ms var(--ease)}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms var(--ease)}
.faq-a-inner{padding:0 20px 20px;font-size:15px;color:var(--text-2);line-height:1.85}
.faq-a-inner p+p{margin-top:10px}

/* ---------- 支持渠道 ---------- */
.channel-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.channel-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease);
}
.channel-card:hover{transform:translateY(-2px);border-color:var(--brand-line);box-shadow:var(--shadow-2)}
.channel-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDE8E0}
.channel-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease)}
.channel-card:hover .channel-media img{transform:scale(1.03)}
.channel-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,18,17,.05),rgba(13,18,17,.34))}
.channel-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.channel-body h3{font-size:19px}
.channel-body p{font-size:14.5px;color:var(--text-3);line-height:1.8}
.channel-foot{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);font-size:14px;font-weight:600;color:var(--brand)}
.channel-foot i{transition:transform var(--t-fast) var(--ease)}
.channel-card:hover .channel-foot i{transform:translateX(4px)}

/* ---------- 联系支持 ---------- */
.support-block{
  display:grid;grid-template-columns:1.15fr 1fr;gap:32px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-block);
  padding:36px;box-shadow:var(--shadow-1);
}
.support-list{display:flex;flex-direction:column;gap:0}
.support-row{display:flex;align-items:flex-start;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line)}
.support-row:last-child{border-bottom:0;padding-bottom:0}
.support-row:first-child{padding-top:0}
.support-row .ico{
  flex:0 0 auto;width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
  background:rgba(200,135,60,.1);color:var(--gold);border:1px solid rgba(200,135,60,.3);
}
.support-row h4{font-size:15px;margin-bottom:2px}
.support-row p{font-size:14.5px;color:var(--text-3)}
.support-row .val{font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}
.support-aside{
  border-left:1px solid var(--line);padding-left:32px;
  display:flex;flex-direction:column;gap:16px;justify-content:center;
}
.support-aside h3{font-size:22px}
.support-aside p{font-size:15px;color:var(--text-3);line-height:1.85}
.support-aside .btn{align-self:flex-start}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#fff;
  background:
    linear-gradient(110deg,rgba(13,18,17,.95),rgba(15,122,108,.82)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-radius:var(--r-block);
  padding:44px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--shadow-2);
}
.cta-band h2{color:#fff;font-size:28px}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.76);font-size:15.5px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:60px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.site-footer h4{color:var(--text-4);font-size:13px;font-weight:600;letter-spacing:.08em;margin-bottom:16px}
.site-footer ul li{margin-bottom:10px}
.site-footer a{color:rgba(255,255,255,.72);font-size:14px}
.site-footer a:hover{color:#fff}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.42)}
.footer-brand .brand-mark{background:var(--brand)}
.footer-desc{font-size:14px;color:rgba(255,255,255,.6);line-height:1.85;max-width:320px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .lang a{margin-left:12px;color:rgba(255,255,255,.6)}
.footer-bottom .lang a.is-active{color:#fff;font-weight:600}

/* ---------- 进入动画 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity var(--t-slow) var(--ease),transform var(--t-slow) var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .wrap{padding:0 22px}
}
@media (max-width:1023px){
  h1{font-size:36px}
  h2{font-size:28px}
  h3{font-size:21px}
  .section{padding:56px 0}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .metric{border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
  .metric:nth-child(2n){border-right:0}
  .metric:nth-last-child(-n+2){border-bottom:0}
  .channel-cards{grid-template-columns:1fr 1fr}
  .support-block{grid-template-columns:1fr;padding:28px}
  .support-aside{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .faq-columns{grid-template-columns:1fr}
}
@media (max-width:767px){
  body{font-size:16px}
  h1{font-size:30px}
  h2{font-size:24px}
  .section{padding:44px 0}
  .topbar-inner{gap:12px;min-height:56px}
  .search{display:none}
  .search.is-open{
    display:flex;position:absolute;left:0;right:0;top:100%;
    max-width:none;padding:12px 16px;background:#fff;
    border-bottom:1px solid var(--line);box-shadow:var(--shadow-1);z-index:5;
  }
  .search.is-open input{height:44px}
  .topbar .wrap{position:relative}
  .search-toggle{display:grid;place-items:center;margin-left:auto}
  .nav-actions .link,.nav-actions .sep{display:none}
  .nav-actions{gap:8px}
  .brand-name{font-size:15px}
  .brand-sub{display:none}
  .page-hero{padding:26px 0 44px}
  .page-hero .hero-lead{font-size:15.5px}
  .hero-search input{height:48px;padding:0 118px 0 42px;font-size:14px}
  .hero-search .btn{height:36px;padding:0 16px;font-size:14px}
  .metric{padding:20px 18px}
  .metric-value{font-size:26px}
  .channel-cards{grid-template-columns:1fr}
  .cta-band{padding:30px 24px}
  .cta-band h2{font-size:23px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .pager a.num-page,.pager span.num-page{display:none}
  .crumbs{font-size:12px}
}
@media (max-width:519px){
  .wrap{padding:0 16px}
  h1{font-size:26px}
  .help-card{padding:18px;gap:13px}
  .help-icon{width:38px;height:38px;font-size:15px}
  .help-title{font-size:16px}
  .faq-q{padding:16px;font-size:15px}
  .faq-a-inner{padding:0 16px 16px;font-size:14.5px}
  .support-block{padding:22px}
  .metric-grid{grid-template-columns:1fr 1fr}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
  .reveal{opacity:1 !important;transform:none !important}
  .help-card:hover,.channel-card:hover{transform:none}
}