/* roulang page: index */
:root{
  --brand:#0E7C7B;
  --brand-dark:#0A6362;
  --brand-soft:#E6F4F3;
  --accent:#F2994A;
  --accent-soft:#FDF0E3;
  --ink:#1F2A2E;
  --ink-2:#5B6B70;
  --line:#E3E8EA;
  --bg:#F7FAFA;
  --card:#FFFFFF;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(14,124,123,.08);
  --shadow-lg:0 16px 40px rgba(14,124,123,.16);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}

/* ============ App Shell ============ */
.app-shell{display:flex;min-height:100vh;}
.app-sidebar{
  width:232px;flex:0 0 232px;position:fixed;top:0;left:0;bottom:0;
  background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:22px 16px 20px;z-index:60;
  overflow-y:auto;
}
.brand{display:flex;gap:10px;align-items:center;padding:0 6px 18px;border-bottom:1px solid var(--line);}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 38px;
  background:linear-gradient(140deg,var(--brand),#16A39A);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:16px;
  box-shadow:0 6px 16px rgba(14,124,123,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:15px;font-weight:700;letter-spacing:.2px;}
.brand-text span{font-size:12px;color:var(--ink-2);}
.side-nav{margin-top:18px;display:flex;flex-direction:column;gap:4px;}
.side-label{font-size:12px;color:#9AA9AD;padding:10px 12px 6px;letter-spacing:.6px;}
.side-link{
  display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:12px;
  font-size:15px;color:var(--ink-2);position:relative;transition:background .2s ease,color .2s ease,transform .2s ease;
}
.side-link i{width:18px;text-align:center;color:#93A4A8;font-size:14px;}
.side-link:hover{background:#F1F7F7;color:var(--brand-dark);transform:translateX(2px);}
.side-link.active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600;}
.side-link.active i{color:var(--brand);}
.side-link.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;background:var(--brand);
}
.side-foot{margin-top:auto;padding-top:18px;}
.side-cta{
  background:linear-gradient(150deg,#0E7C7B,#12948F);border-radius:14px;padding:16px;color:#fff;
  box-shadow:0 10px 24px rgba(14,124,123,.22);
}
.side-cta strong{display:block;font-size:15px;margin-bottom:4px;}
.side-cta p{font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.86);margin-bottom:12px;}
.side-cta button{
  width:100%;background:#fff;color:var(--brand-dark);border-radius:10px;padding:9px 0;
  font-size:14px;font-weight:600;transition:transform .2s ease,box-shadow .2s ease;
}
.side-cta button:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(0,0,0,.16);}

.app-main{margin-left:232px;flex:1 1 auto;min-width:0;display:flex;flex-direction:column;}

/* ============ 移动端顶部栏 ============ */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:70;background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
  padding:12px 16px;align-items:center;gap:12px;
}
.burger{
  width:40px;height:40px;border-radius:11px;border:1px solid var(--line);background:#fff;
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-dark);}
.mobile-brand{font-size:15px;font-weight:700;color:var(--ink);}
.sidebar-mask{
  display:none;position:fixed;inset:0;background:rgba(16,32,34,.42);z-index:55;
}
.sidebar-mask.show{display:block;}

/* ============ 容器与板块 ============ */
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
main{display:block;}
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-dark);
  background:var(--brand-soft);border-radius:999px;padding:5px 14px;margin-bottom:14px;letter-spacing:.4px;
}
.section-head h2{font-size:26px;margin-bottom:12px;}
.section-head p{color:var(--ink-2);font-size:15.5px;line-height:1.9;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;border-radius:0 0 28px 28px;
  background:
    linear-gradient(120deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.90) 42%,rgba(230,244,243,.82) 100%),
    url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.hero-inner{
  display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center;
  padding:74px 0 66px;
}
.hero h1{
  font-size:clamp(28px,3.4vw,40px);font-weight:700;letter-spacing:-.4px;margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{font-size:17px;color:var(--ink-2);margin-bottom:26px;max-width:520px;line-height:1.85;}
.hero-sub b{color:var(--ink);font-weight:600;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:32px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;padding:12px 24px;font-size:15px;font-weight:600;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(14,124,123,.26);}
.btn-primary:hover{background:var(--brand-dark);transform:scale(1.02);box-shadow:0 14px 26px rgba(14,124,123,.3);}
.btn-primary:active{transform:scale(.99);}
.btn-ghost{border:1.5px solid var(--brand);color:var(--brand-dark);background:rgba(255,255,255,.7);}
.btn-ghost:hover{background:var(--brand-soft);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 22px rgba(242,153,74,.28);}
.btn-accent:hover{background:#DE8A3C;transform:scale(1.02);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{
  font-size:15px;font-weight:600;color:var(--brand-dark);border-bottom:1px solid transparent;
  transition:border-color .2s ease,color .2s ease;
}
.link-arrow:hover{border-color:var(--brand-dark);}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;}
.stat-chip{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 16px;min-width:132px;
  box-shadow:var(--shadow);
}
.stat-chip b{display:block;font-size:19px;color:var(--brand-dark);line-height:1.4;}
.stat-chip span{font-size:12.5px;color:var(--ink-2);}
.hero-visual{position:relative;}
.hero-figure{
  border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-lg);background:#fff;
}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-float{
  position:absolute;left:-18px;bottom:22px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:12px 16px;box-shadow:var(--shadow-lg);min-width:190px;
}
.hero-float .dot{width:9px;height:9px;border-radius:50%;background:var(--brand);display:inline-block;margin-right:7px;}
.hero-float strong{font-size:14px;}
.hero-float p{font-size:12.5px;color:var(--ink-2);}

/* ============ 玩法步骤 ============ */
.steps{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.steps::before{
  content:"";position:absolute;top:26px;left:6%;right:6%;height:2px;
  background:linear-gradient(90deg,var(--brand-soft),var(--brand),var(--brand-soft));opacity:.55;
}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#BFE0DD;}
.step-no{
  width:52px;height:52px;border-radius:50%;background:var(--brand);color:#fff;font-weight:700;font-size:18px;
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
  box-shadow:0 8px 18px rgba(14,124,123,.28);border:4px solid #fff;
}
.step h3{font-size:17px;margin-bottom:8px;font-weight:600;}
.step p{font-size:14.5px;color:var(--ink-2);line-height:1.85;}

/* ============ 奖励预览 1大2小 ============ */
.reward-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:1fr;gap:22px;}
.reward-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.reward-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#BFE0DD;}
.reward-card.is-large{grid-column:span 2;flex-direction:row;}
.reward-card .thumb{position:relative;background:var(--brand-soft);}
.reward-card .thumb img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9;}
.reward-card.is-large .thumb{flex:0 0 46%;}
.reward-card.is-large .thumb img{aspect-ratio:4/3;height:100%;}
.reward-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.reward-body h3{font-size:18px;}
.reward-card.is-large .reward-body h3{font-size:21px;}
.reward-body p{font-size:14.5px;color:var(--ink-2);line-height:1.85;}
.badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:4px 12px;
  font-size:12.5px;font-weight:600;background:var(--brand-soft);color:var(--brand-dark);
}
.badge.warm{background:var(--accent-soft);color:#B96B22;}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;position:absolute;top:12px;left:12px;}
.reward-body .btn{align-self:flex-start;padding:10px 20px;font-size:14px;margin-top:auto;}

/* ============ 任务进度 ============ */
.progress-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.task{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;
  box-shadow:var(--shadow);transition:border-color .2s ease,box-shadow .2s ease;
}
.task:hover{border-color:#BFE0DD;box-shadow:var(--shadow-lg);}
.task-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;}
.task-top h3{font-size:16px;font-weight:600;}
.task-top .pct{font-size:13px;font-weight:700;color:var(--brand-dark);background:var(--brand-soft);border-radius:999px;padding:3px 10px;}
.bar{height:8px;border-radius:999px;background:var(--brand-soft);overflow:hidden;}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),#19A79E);transition:width .6s ease;}
.bar i.warm{background:linear-gradient(90deg,var(--accent),#F6B87B);}
.task-foot{display:flex;justify-content:space-between;align-items:center;margin-top:12px;font-size:13px;color:var(--ink-2);}
.state{font-size:12.5px;font-weight:600;border-radius:999px;padding:3px 11px;}
.state.doing{background:var(--accent-soft);color:#B96B22;}
.state.done{background:var(--brand-soft);color:var(--brand-dark);}
.state.wait{background:#EFF2F3;color:#7A8A8E;}

/* ============ 特色条带 ============ */
.feature-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.feature{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease;
}
.feature:hover{transform:translateY(-2px);border-color:#BFE0DD;}
.feature i{
  width:38px;height:38px;border-radius:11px;background:var(--brand-soft);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;margin-bottom:12px;font-size:15px;
}
.feature h3{font-size:15.5px;margin-bottom:6px;font-weight:600;}
.feature p{font-size:13.5px;color:var(--ink-2);line-height:1.8;}

/* ============ 最新信息 CMS ============ */
.news-list{border-top:1px solid var(--line);}
.news-card{
  display:flex;gap:18px;padding:20px 14px;border-bottom:1px solid var(--line);
  transition:background .2s ease;border-radius:10px;
}
.news-card:hover{background:#F1F7F7;}
.news-thumb{
  flex:0 0 128px;width:128px;height:88px;border-radius:12px;overflow:hidden;background:var(--brand-soft);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:7px;}
.news-body h3{font-size:16.5px;font-weight:600;transition:color .2s ease;}
.news-card:hover .news-body h3{color:var(--brand-dark);}
.news-body p{font-size:14px;color:var(--ink-2);line-height:1.8;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:#8A999D;flex-wrap:wrap;}
.empty-state{
  background:#fff;border:1px dashed #CFDCDD;border-radius:var(--radius);padding:44px 24px;text-align:center;
}
.empty-state .icon{
  width:56px;height:56px;border-radius:16px;background:var(--brand-soft);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:20px;
}
.empty-state h3{font-size:17px;margin-bottom:8px;}
.empty-state p{font-size:14px;color:var(--ink-2);margin-bottom:18px;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#BFE0DD;box-shadow:var(--shadow);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 52px 18px 20px;position:relative;
  font-size:16px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--brand);line-height:1;
}
.faq-item[open] summary::after{content:"−";}
.faq-item .faq-body{padding:0 20px 20px;color:var(--ink-2);font-size:14.5px;line-height:1.9;}

/* ============ CTA 条带 ============ */
.cta-band{
  background:linear-gradient(120deg,#E6F4F3 0%,#F2FAF8 55%,#FDF0E3 100%);
  border:1px solid #D3E9E6;border-radius:24px;padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:24px;margin-bottom:10px;}
.cta-band p{color:var(--ink-2);font-size:15px;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:#F0F5F5;border-top:1px solid var(--line);margin-top:20px;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;padding:56px 0 34px;
}
.footer-brand strong{font-size:16px;display:block;margin-bottom:10px;}
.footer-brand p{font-size:13.5px;color:var(--ink-2);line-height:1.9;max-width:320px;}
.footer-col h4{font-size:14px;margin-bottom:14px;color:var(--ink);letter-spacing:.3px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:13.5px;color:var(--ink-2);transition:color .2s ease;}
.footer-col a:hover{color:var(--brand-dark);}
.footer-bottom{
  border-top:1px solid var(--line);padding:18px 0;display:flex;justify-content:space-between;
  align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:#7F8F93;
}
.to-top{
  width:40px;height:40px;border-radius:12px;background:#fff;border:1px solid var(--line);
  color:var(--brand-dark);display:flex;align-items:center;justify-content:center;
  transition:transform .2s ease,box-shadow .2s ease;
}
.to-top:hover{transform:translateY(-2px);box-shadow:var(--shadow);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero-inner{gap:36px;}
}
@media (max-width:1023px){
  .app-sidebar{
    transform:translateX(-100%);transition:transform .28s ease;box-shadow:0 0 40px rgba(0,0,0,.14);
    width:262px;flex-basis:262px;
  }
  .app-sidebar.open{transform:translateX(0);}
  .app-main{margin-left:0;}
  .mobile-bar{display:flex;}
  .section{padding:64px 0;}
  .hero-inner{grid-template-columns:1fr;padding:52px 0 50px;}
  .hero-visual{order:-1;}
  .hero-float{left:12px;bottom:12px;}
  .steps{grid-template-columns:1fr;gap:16px;}
  .steps::before{display:none;}
  .reward-grid{grid-template-columns:1fr 1fr;}
  .reward-card.is-large{grid-column:span 2;flex-direction:column;}
  .reward-card.is-large .thumb{flex:0 0 auto;}
  .reward-card.is-large .thumb img{aspect-ratio:16/9;height:auto;}
  .feature-strip{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container-x{padding:0 16px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:22px;}
  .progress-wrap{grid-template-columns:1fr;}
  .reward-grid{grid-template-columns:1fr;}
  .reward-card.is-large{grid-column:span 1;}
  .feature-strip{grid-template-columns:1fr;}
  .news-card{flex-direction:column;gap:12px;padding:18px 8px;}
  .news-thumb{width:100%;flex:0 0 auto;height:160px;}
  .cta-band{padding:30px 22px;border-radius:20px;}
  .cta-band h2{font-size:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;padding:40px 0 24px;}
  .hero-stats{gap:10px;}
  .stat-chip{min-width:calc(50% - 6px);padding:10px 14px;}
}
@media (max-width:520px){
  .hero h1{font-size:26px;}
  .hero-actions .btn{width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .link-arrow{text-align:center;}
}

/* roulang page: category1 */
:root{
    --brand:#0E7C7B;
    --brand-dark:#0A6362;
    --brand-soft:#E6F4F3;
    --accent:#F2994A;
    --accent-soft:#FDF0E3;
    --text:#1F2A2E;
    --text-2:#5B6B70;
    --line:#E3E8EA;
    --bg:#F7FAFA;
    --card:#FFFFFF;
    --radius:16px;
    --radius-sm:12px;
    --shadow:0 8px 24px rgba(14,124,123,.08);
    --shadow-hover:0 16px 34px rgba(14,124,123,.16);
    --side-w:232px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    font-size:16px;
    line-height:1.9;
    color:var(--text);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
  ul,ol{list-style:none;margin:0;padding:0;}
  h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;}
  p{margin:0;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

  /* ===== 布局骨架 ===== */
  .app-shell{min-height:100vh;}
  .sidebar{
    position:fixed;
    top:0;left:0;
    width:var(--side-w);
    height:100vh;
    background:#FFFFFF;
    border-right:1px solid var(--line);
    padding:22px 16px;
    display:flex;
    flex-direction:column;
    gap:18px;
    z-index:60;
    transition:transform .28s ease;
  }
  .side-brand{display:flex;align-items:center;gap:10px;padding:4px 6px 14px;border-bottom:1px solid var(--line);}
  .brand-mark{
    width:38px;height:38px;flex:0 0 38px;border-radius:12px;
    background:linear-gradient(135deg,var(--brand),#12A39F);
    color:#fff;display:flex;align-items:center;justify-content:center;
    font-weight:700;font-size:17px;letter-spacing:.5px;
    box-shadow:0 6px 16px rgba(14,124,123,.28);
  }
  .brand-text strong{display:block;font-size:14.5px;line-height:1.35;}
  .brand-text small{display:block;color:var(--text-2);font-size:11.5px;letter-spacing:.6px;margin-top:2px;}
  .side-label{font-size:11.5px;color:var(--text-2);letter-spacing:1.6px;text-transform:uppercase;padding-left:10px;display:block;margin-bottom:6px;}
  .side-nav{display:flex;flex-direction:column;gap:4px;}
  .side-link{
    position:relative;
    display:flex;align-items:center;gap:10px;
    padding:10px 12px 10px 14px;
    border-radius:10px;
    font-size:15px;
    color:var(--text-2);
    transition:background .2s ease,color .2s ease,transform .2s ease;
  }
  .side-link i{font-style:normal;font-size:9px;color:#B7C6C8;transition:color .2s ease;}
  .side-link:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateX(2px);}
  .side-link:hover i{color:var(--brand);}
  .side-link.active{background:var(--brand-soft);color:var(--brand-dark);font-weight:700;}
  .side-link.active i{color:var(--brand);}
  .side-link.active::before{
    content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:0 3px 3px 0;background:var(--brand);
  }
  .side-cta{
    margin-top:auto;
    background:linear-gradient(160deg,var(--brand-soft),#F5FBFA);
    border:1px solid #D3E9E7;
    border-radius:var(--radius);
    padding:16px 14px;
  }
  .side-cta p{font-size:13px;color:var(--text-2);line-height:1.75;margin-bottom:10px;}

  .main-wrap{margin-left:var(--side-w);}
  .topbar{
    display:none;
    align-items:center;justify-content:space-between;
    gap:12px;
    padding:12px 16px;
    background:#FFFFFF;
    border-bottom:1px solid var(--line);
    position:sticky;top:0;z-index:50;
  }
  .topbar .brand-mark{width:34px;height:34px;flex:0 0 34px;font-size:15px;}
  .topbar-title{font-size:14px;font-weight:700;line-height:1.3;}
  .burger{
    width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
    background:#fff;
  }
  .burger span{width:16px;height:2px;background:var(--brand);border-radius:2px;display:block;}
  .drawer-mask{
    position:fixed;inset:0;background:rgba(19,39,40,.42);
    opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:55;
  }
  .drawer-mask.show{opacity:1;visibility:visible;}

  .container-x{max-width:1160px;margin:0 auto;padding:0 20px;}
  .section{padding:56px 0;}
  @media(min-width:1024px){ .section{padding:80px 0;} }

  /* ===== 标题系统 ===== */
  .sec-head{margin-bottom:26px;}
  .sec-title{font-size:24px;display:flex;align-items:center;gap:10px;}
  .sec-title::before{content:"";width:5px;height:22px;border-radius:3px;background:var(--brand);display:block;}
  .sec-sub{color:var(--text-2);font-size:14.5px;margin-top:8px;}

  /* ===== KV ===== */
  .kv{
    position:relative;
    border-radius:24px;
    overflow:hidden;
    background:#0B4A49 url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    color:#fff;
    padding:52px 32px;
    box-shadow:0 18px 44px rgba(10,99,98,.22);
  }
  .kv::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(105deg,rgba(9,58,58,.88) 0%,rgba(10,99,98,.72) 48%,rgba(10,99,98,.35) 100%);
  }
  .kv-inner{position:relative;z-index:2;max-width:720px;}
  .kv-kicker{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12.5px;letter-spacing:1.5px;
    background:rgba(255,255,255,.16);
    border:1px solid rgba(255,255,255,.28);
    padding:5px 14px;border-radius:999px;margin-bottom:18px;
  }
  .kv h1{font-size:clamp(28px,4vw,40px);letter-spacing:.5px;}
  .kv p.lead{font-size:16px;color:#DCEFEE;margin-top:14px;max-width:600px;}
  .kv-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:28px;}
  .kv-facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;position:relative;z-index:2;}
  .kv-fact{
    background:rgba(255,255,255,.12);
    border:1px solid rgba(255,255,255,.22);
    border-radius:12px;
    padding:10px 16px;
    min-width:120px;
  }
  .kv-fact b{display:block;font-size:18px;line-height:1.4;}
  .kv-fact span{font-size:12.5px;color:#CBE6E5;}

  /* ===== 按钮 ===== */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:12px;
    padding:12px 24px;
    font-size:15px;font-weight:700;
    transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
    border:1px solid transparent;
  }
  .btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(14,124,123,.28);}
  .btn-primary:hover{background:var(--brand-dark);transform:scale(1.02);}
  .btn-light{background:#fff;color:var(--brand-dark);}
  .btn-light:hover{background:#EAF7F6;transform:scale(1.02);}
  .btn-ghost{border-color:var(--brand);color:var(--brand-dark);background:transparent;}
  .btn-ghost:hover{background:var(--brand-soft);}
  .btn-ghost-light{border-color:rgba(255,255,255,.65);color:#fff;}
  .btn-ghost-light:hover{background:rgba(255,255,255,.16);}
  .btn-sm{padding:9px 18px;font-size:13.5px;border-radius:10px;}
  .btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
  .link-underline{
    color:var(--brand-dark);font-weight:600;border-bottom:1px solid rgba(14,124,123,.35);
    transition:border-color .2s ease,color .2s ease;
  }
  .link-underline:hover{border-color:var(--brand-dark);}

  /* ===== 说明条 ===== */
  .intro-band{
    background:var(--card);
    border:1px solid var(--line);
    border-left:4px solid var(--brand);
    border-radius:var(--radius);
    padding:22px 24px;
    box-shadow:var(--shadow);
    color:var(--text-2);
    font-size:15px;
    margin-top:-26px;
    position:relative;
    z-index:5;
  }
  .intro-band strong{color:var(--text);}

  /* ===== 行卡列表 ===== */
  .row-list{display:flex;flex-direction:column;gap:18px;}
  .row-card{
    display:grid;
    grid-template-columns:224px 1fr;
    gap:22px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:18px;
    box-shadow:var(--shadow);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .row-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#BFE3E1;}
  .row-thumb{
    position:relative;
    border-radius:var(--radius-sm);
    overflow:hidden;
    aspect-ratio:4/3;
    background:var(--brand-soft);
  }
  .row-thumb img{width:100%;height:100%;object-fit:cover;}
  .row-body h3{font-size:18px;}
  .row-body p{color:var(--text-2);font-size:14.5px;margin-top:8px;line-height:1.85;}
  .row-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;align-items:center;}
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    font-size:12px;font-weight:600;
    padding:4px 12px;border-radius:999px;
    background:var(--brand-soft);color:var(--brand-dark);
  }
  .badge-accent{background:var(--accent-soft);color:#B96A1E;}
  .badge-line{background:#fff;border:1px solid var(--line);color:var(--text-2);}

  /* ===== 流程 ===== */
  .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
  .flow-item{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:20px 18px;
    box-shadow:var(--shadow);
    position:relative;
    transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  }
  .flow-item:hover{transform:translateY(-2px);border-color:#BFE3E1;box-shadow:var(--shadow-hover);}
  .flow-num{
    width:32px;height:32px;border-radius:10px;
    background:var(--brand);color:#fff;
    display:flex;align-items:center;justify-content:center;
    font-size:14px;font-weight:700;margin-bottom:12px;
  }
  .flow-item h3{font-size:16px;}
  .flow-item p{font-size:14px;color:var(--text-2);margin-top:8px;line-height:1.8;}

  /* ===== 检查清单 + 进度条 ===== */
  .check-panel{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:20px;
    padding:26px 24px;
    box-shadow:var(--shadow);
  }
  .check-item{padding:14px 0;border-bottom:1px dashed var(--line);}
  .check-item:last-child{border-bottom:0;padding-bottom:0;}
  .check-item:first-child{padding-top:0;}
  .check-top{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;}
  .check-top h4{font-size:15.5px;}
  .progress-track{height:8px;border-radius:999px;background:var(--brand-soft);margin-top:12px;overflow:hidden;}
  .progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),#18A5A1);}
  .progress-fill.orange{background:linear-gradient(90deg,#F2994A,#F6B87C);}
  .pct{font-size:12.5px;font-weight:700;color:var(--brand-dark);background:var(--brand-soft);padding:2px 10px;border-radius:999px;}
  .check-note{font-size:14px;color:var(--text-2);margin-top:8px;}

  /* ===== FAQ ===== */
  .faq-list{display:flex;flex-direction:column;gap:12px;}
  .faq-item{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius);
    overflow:hidden;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item.open{border-color:#BFE3E1;box-shadow:var(--shadow);}
  .faq-q{
    width:100%;text-align:left;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 20px;
    font-size:16px;font-weight:700;color:var(--text);
  }
  .faq-icon{
    flex:0 0 26px;width:26px;height:26px;border-radius:50%;
    background:var(--brand-soft);color:var(--brand-dark);
    display:flex;align-items:center;justify-content:center;
    font-size:16px;font-weight:700;line-height:1;transition:transform .25s ease,background .25s ease,color .25s ease;
  }
  .faq-item.open .faq-icon{background:var(--brand);color:#fff;transform:rotate(180deg);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
  .faq-a-inner{padding:0 20px 20px;color:var(--text-2);font-size:14.8px;line-height:1.9;}

  /* ===== CTA ===== */
  .cta-band{
    background:linear-gradient(120deg,var(--brand-soft) 0%,#F4FBFA 55%,#EFF7F7 100%);
    border:1px solid #D3E9E7;
    border-radius:22px;
    padding:34px 30px;
    display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;
  }
  .cta-band h2{font-size:22px;}
  .cta-band p{color:var(--text-2);font-size:14.8px;margin-top:8px;max-width:560px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

  /* ===== 页脚 ===== */
  .site-footer{
    background:#F0F5F5;
    border-top:1px solid var(--line);
    margin-top:72px;
    padding:48px 0 22px;
  }
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;}
  .footer-brand strong{font-size:16px;display:block;margin-bottom:12px;}
  .footer-brand p{font-size:13.5px;color:var(--text-2);line-height:1.85;max-width:320px;}
  .footer-col h4{font-size:14.5px;margin-bottom:14px;}
  .footer-col ul{display:flex;flex-direction:column;gap:9px;}
  .footer-col a{font-size:13.5px;color:var(--text-2);transition:color .2s ease,padding-left .2s ease;}
  .footer-col a:hover{color:var(--brand-dark);padding-left:3px;}
  .footer-bottom{
    margin-top:34px;padding-top:18px;border-top:1px solid var(--line);
    display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
    font-size:13px;color:var(--text-2);
  }
  .to-top{
    width:38px;height:38px;border-radius:50%;
    background:#fff;border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;
    color:var(--brand-dark);font-weight:700;
    transition:background .2s ease,transform .2s ease;
  }
  .to-top:hover{background:var(--brand-soft);transform:translateY(-2px);}

  /* ===== 响应式 ===== */
  @media (max-width:1023px){
    .sidebar{transform:translateX(-100%);box-shadow:0 0 40px rgba(19,39,40,.18);}
    .sidebar.open{transform:translateX(0);}
    .main-wrap{margin-left:0;}
    .topbar{display:flex;}
    .kv{padding:38px 22px;border-radius:20px;}
    .flow{grid-template-columns:repeat(2,1fr);}
    .footer-grid{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:767px){
    .container-x{padding:0 16px;}
    .section{padding:44px 0;}
    .row-card{grid-template-columns:1fr;gap:14px;padding:14px;}
    .row-thumb{aspect-ratio:16/9;}
    .kv-facts{gap:10px;}
    .kv-fact{flex:1 1 44%;}
    .cta-band{padding:26px 20px;}
    .footer-grid{grid-template-columns:1fr;}
  }
  @media (max-width:520px){
    .flow{grid-template-columns:1fr;}
    .sec-title{font-size:21px;}
    .kv h1{font-size:26px;}
    .btn{width:100%;}
    .cta-actions{width:100%;}
    .kv-actions .btn,.kv-actions .link-underline{width:100%;text-align:center;}
    .btn-sm{width:100%;}
  }

/* roulang page: article */
:root{
  --c-primary:#0E7C7B;
  --c-primary-dark:#0A6362;
  --c-primary-soft:#E6F4F3;
  --c-accent:#F2994A;
  --c-accent-soft:#FDF0E3;
  --c-text:#1F2A2E;
  --c-text-2:#5B6B70;
  --c-border:#E3E8EA;
  --c-bg:#F7FAFA;
  --c-surface:#FFFFFF;
  --c-footer:#F0F5F5;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(14,124,123,.08);
  --shadow-lg:0 14px 36px rgba(14,124,123,.16);
  --side-w:232px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border:0}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{line-height:1.3;margin:0;font-weight:700}
p{margin:0}
a:focus-visible,button:focus-visible,.btn:focus-visible,input:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:8px}

/* 阅读进度 */
.reading-bar{position:fixed;top:0;left:0;right:0;height:3px;z-index:90;background:rgba(14,124,123,.08)}
.reading-bar span{display:block;height:100%;width:0;border-radius:0 3px 3px 0;background:linear-gradient(90deg,var(--c-primary),var(--c-accent));transition:width .12s linear}

/* 骨架 */
.app-shell{display:flex;min-height:100vh}
.main-area{margin-left:var(--side-w);flex:1 1 auto;min-width:0;display:flex;flex-direction:column;min-height:100vh}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.read-col{max-width:820px;margin:0 auto}

/* 侧边栏 */
.side-bar{
  position:fixed;top:0;left:0;width:var(--side-w);height:100vh;z-index:70;
  background:var(--c-surface);border-right:1px solid var(--c-border);
  padding:22px 16px;display:flex;flex-direction:column;gap:22px;overflow-y:auto;
}
.side-brand{display:flex;align-items:center;gap:10px;padding:6px 6px 18px;border-bottom:1px solid var(--c-border)}
.side-logo{width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:linear-gradient(135deg,var(--c-primary),#16A39C);color:#fff;display:grid;place-items:center;font-size:17px;font-weight:700}
.side-brand-text{min-width:0}
.side-brand strong{display:block;font-size:15px;line-height:1.35;color:var(--c-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-brand em{display:block;font-style:normal;font-size:12px;color:var(--c-text-2);line-height:1.5;margin-top:3px}
.side-label{display:block;font-size:12px;letter-spacing:.18em;color:#93A3A6;padding:0 12px 10px}
.side-nav{display:flex;flex-direction:column;gap:4px}
.side-link{position:relative;display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:var(--radius-sm);font-size:15px;color:var(--c-text-2);transition:background .2s ease,color .2s ease}
.side-link i{font-style:normal;font-size:9px;color:#BEDAD8;transition:color .2s ease}
.side-link:hover{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.side-link:hover i{color:var(--c-primary)}
.side-link.active{background:var(--c-primary-soft);color:var(--c-primary-dark);font-weight:600}
.side-link.active i{color:var(--c-primary)}
.side-link.active::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:0 3px 3px 0;background:var(--c-primary)}
.side-cta{margin-top:auto;background:linear-gradient(160deg,#EAF7F6,#F7FCFB);border:1px solid #CFE7E5;border-radius:var(--radius);padding:16px}
.side-cta p{font-size:13px;line-height:1.75;color:var(--c-text-2);margin-bottom:12px}
.side-mask{position:fixed;inset:0;background:rgba(15,43,43,.42);z-index:65;opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease}
.side-mask.show{opacity:1;visibility:visible}

/* 顶部条（移动端） */
.top-bar{position:sticky;top:0;z-index:60;display:none;align-items:center;gap:12px;padding:10px 16px;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-border)}
.hamburger{width:38px;height:38px;border-radius:10px;border:1px solid var(--c-border);background:#fff;color:var(--c-primary);font-size:16px;display:grid;place-items:center}
.hamburger:hover{background:var(--c-primary-soft)}
.top-brand{font-size:15px;font-weight:700;color:var(--c-text);flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-sm);padding:12px 24px;font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;white-space:nowrap}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px) scale(1.02);box-shadow:0 10px 22px rgba(14,124,123,.26)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-ghost{border-color:var(--c-primary);color:var(--c-primary-dark);background:#fff}
.btn-ghost:hover{background:var(--c-primary-soft)}
.btn-sm{padding:8px 16px;font-size:13px;border-radius:10px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45}

/* 徽章 / 标签 */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;background:var(--c-primary-soft);color:var(--c-primary-dark);line-height:1.7}
.badge-accent{background:var(--c-accent-soft);color:#B56523}
.badge-soft{background:#EFF4F4;color:var(--c-text-2);font-weight:500}

/* 页面主体 */
.page-wrap{padding:28px 0 88px;flex:1 1 auto}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-2);margin-bottom:18px}
.breadcrumb a{color:var(--c-text-2);transition:color .2s ease}
.breadcrumb a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{color:#BAC7CA}
.crumb-current{color:var(--c-text);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.crumb-back{margin-left:auto;color:var(--c-primary);font-weight:600}

/* 文章头 */
.article-head{position:relative;overflow:hidden;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:34px 34px 28px}
.article-head::after{content:"";position:absolute;right:-70px;bottom:-110px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(14,124,123,.12),rgba(14,124,123,0) 70%);pointer-events:none}
.article-head h1{font-size:clamp(28px,3.2vw,38px);font-weight:700;letter-spacing:.005em;margin:16px 0 0;color:var(--c-text)}
.article-head .head-tags{display:flex;flex-wrap:wrap;gap:8px}
.meta-row{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--c-border);font-size:13px;color:var(--c-text-2)}
.meta-row span{position:relative;display:inline-flex;align-items:center}
.meta-row span+span::before{content:"";position:absolute;left:-12px;top:50%;width:4px;height:4px;margin-top:-2px;border-radius:50%;background:#C3D3D2}

/* 正文 */
.article-body{margin-top:22px;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:34px 36px 30px;font-size:16.5px}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 14px;line-height:1.9}
.article-body h2{font-size:24px;font-weight:700;margin:36px 0 16px;padding-left:14px;border-left:4px solid var(--c-primary)}
.article-body h3{font-size:18px;font-weight:600;margin:26px 0 12px;color:var(--c-primary-dark)}
.article-body h4{font-size:16px;font-weight:600;margin:20px 0 10px;color:var(--c-text)}
.article-body ul{list-style:disc;margin:0 0 16px;padding-left:24px}
.article-body ol{list-style:decimal;margin:0 0 16px;padding-left:24px}
.article-body li{margin-bottom:8px;line-height:1.85}
.article-body ul li::marker,.article-body ol li::marker{color:var(--c-primary);font-weight:700}
.article-body blockquote{margin:22px 0;padding:16px 20px;background:var(--c-primary-soft);border-left:4px solid var(--c-primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--c-text-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-sm);margin:20px 0;box-shadow:var(--shadow)}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-primary-dark)}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px}
.article-body th,.article-body td{border:1px solid var(--c-border);padding:10px 12px;text-align:left;line-height:1.7}
.article-body th{background:var(--c-primary-soft);font-weight:600}
.article-body tbody tr:nth-child(even) td{background:#FAFCFC}
.article-body code{background:#F1F5F5;padding:2px 6px;border-radius:6px;font-size:14px;color:var(--c-primary-dark)}
.article-body pre{background:#10302F;color:#DCF2F0;padding:16px 18px;border-radius:var(--radius-sm);overflow:auto;font-size:14px;line-height:1.7}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body hr{border:0;border-top:1px dashed var(--c-border);margin:28px 0}

/* 文末操作 */
.article-foot{margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);padding:18px 22px;box-shadow:var(--shadow)}
.article-foot .back-link{color:var(--c-primary);font-weight:600}
.article-foot .back-link:hover{text-decoration:underline;text-underline-offset:4px}
.article-foot .foot-tags{display:flex;flex-wrap:wrap;gap:8px}

/* 空态 */
.empty-state{background:var(--c-surface);border:1px dashed #C9DEDC;border-radius:var(--radius);padding:52px 24px;text-align:center;box-shadow:var(--shadow);margin-top:22px}
.empty-icon{width:58px;height:58px;margin:0 auto 16px;border-radius:18px;background:var(--c-primary-soft);color:var(--c-primary);display:grid;place-items:center;font-size:24px}
.empty-state h2{font-size:20px;margin-bottom:10px}
.empty-state p{color:var(--c-text-2);font-size:14.5px;max-width:460px;margin:0 auto 20px}

/* 板块 */
.section{margin-top:64px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.section-head h2{font-size:24px}
.section-head .sub{margin-top:8px;font-size:14px;color:var(--c-text-2)}
.section-head .link-more{font-size:14px;color:var(--c-primary);font-weight:600}
.section-head .link-more:hover{text-decoration:underline;text-underline-offset:4px}

/* 相关推荐 */
.rel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.rel-card{display:flex;gap:14px;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.rel-card:hover{transform:translateY(-2px);border-color:#BFE0DE;box-shadow:var(--shadow-lg)}
.rel-thumb{position:relative;flex:0 0 108px;width:108px;height:82px;border-radius:10px;overflow:hidden;background:#E9F2F2;display:grid;place-items:center}
.rel-thumb .thumb-ph{position:absolute;color:#BFD9D8;font-size:20px}
.rel-thumb img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover}
.rel-body{min-width:0;display:flex;flex-direction:column;gap:8px}
.rel-body h3{font-size:15.5px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-meta{display:flex;flex-wrap:wrap;gap:8px 12px;font-size:12.5px;color:var(--c-text-2);margin-top:auto}

/* FAQ */
.faq-list{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.faq-item+.faq-item{border-top:1px solid var(--c-border)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:16px;font-weight:600;text-align:left;color:var(--c-text);transition:background .2s ease,color .2s ease}
.faq-q:hover{background:#F6FBFB;color:var(--c-primary-dark)}
.faq-icon{flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary);display:grid;place-items:center;font-size:16px;line-height:1;transition:transform .25s ease,background .2s ease,color .2s ease}
.faq-item.open .faq-icon{background:var(--c-primary);color:#fff;transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 22px 20px;color:var(--c-text-2);font-size:15px;line-height:1.9}
.faq-item.open .faq-a{max-height:340px}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;margin-top:56px;border-radius:24px;padding:44px 40px;
  border:1px solid #CFE7E5;
  background-image:linear-gradient(120deg,rgba(230,244,243,.95),rgba(255,255,255,.96)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-band h2{font-size:24px;margin-bottom:10px}
.cta-band p{color:var(--c-text-2);font-size:15px;max-width:600px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* 页脚 */
.site-footer{background:var(--c-footer);border-top:1px solid var(--c-border);margin-top:88px;padding-top:48px}
.footer-grid{display:grid;grid-template-columns:1.7fr repeat(3,1fr);gap:32px;padding-bottom:36px}
.footer-brand strong{display:block;font-size:17px;margin-bottom:10px}
.footer-brand p{font-size:13.5px;line-height:1.85;color:var(--c-text-2);max-width:340px}
.footer-col h4{font-size:14px;margin-bottom:14px;color:var(--c-text)}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.footer-col a{font-size:13.5px;color:var(--c-text-2);transition:color .2s ease}
.footer-col a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid var(--c-border);padding:18px 0 24px;font-size:13px;color:var(--c-text-2)}
.to-top{width:36px;height:36px;border-radius:50%;background:#fff;border:1px solid var(--c-border);display:grid;place-items:center;color:var(--c-primary);font-size:15px;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease}
.to-top:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary);transform:translateY(-2px)}

/* 响应式 */
@media (max-width:1023px){
  .side-bar{transform:translateX(-100%);transition:transform .28s ease;box-shadow:0 24px 60px rgba(15,43,43,.2)}
  .side-bar.open{transform:translateX(0)}
  .main-area{margin-left:0}
  .top-bar{display:flex}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:767px){
  html body{font-size:15.5px}
  .page-wrap{padding:18px 0 56px}
  .article-head{padding:22px 20px}
  .article-body{padding:22px 18px;font-size:16px}
  .article-body h2{font-size:20px;margin:28px 0 14px}
  .article-body h3{font-size:17px}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .section{margin-top:48px}
  .cta-band{padding:28px 20px;border-radius:18px}
  .cta-band h2{font-size:20px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .crumb-current{max-width:180px}
}
@media (max-width:520px){
  .container-x{padding:0 14px}
  .rel-card{flex-direction:column}
  .rel-thumb{width:100%;height:150px;flex:0 0 auto}
  .article-foot{flex-direction:column;align-items:flex-start}
  .meta-row{gap:6px 0;flex-direction:column}
  .meta-row span+span::before{display:none}
}

/* roulang page: category2 */
:root{
    --main:#0E7C7B;
    --main-dark:#0A6362;
    --main-soft:#E6F4F3;
    --accent:#F2994A;
    --accent-soft:#FDF0E3;
    --text:#1F2A2E;
    --text-sub:#5B6B70;
    --border:#E3E8EA;
    --bg:#F7FAFA;
    --white:#FFFFFF;
    --radius-lg:16px;
    --radius-md:12px;
    --radius-sm:10px;
    --shadow:0 8px 24px rgba(14,124,123,.08);
    --shadow-hover:0 14px 32px rgba(14,124,123,.16);
    --side-w:232px;
    --space-section:88px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body.page-body{
    margin:0;
    font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    background:var(--bg);
    color:var(--text);
    font-size:16px;
    line-height:1.9;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:var(--main);text-decoration:none;}
  a:hover{color:var(--main-dark);}
  button{font-family:inherit;cursor:pointer;}
  ul{list-style:none;margin:0;padding:0;}
  h1,h2,h3,h4{margin:0;line-height:1.3;color:var(--text);}
  p{margin:0;}
  :focus-visible{outline:2px solid var(--main);outline-offset:2px;}

  /* ============ 布局骨架 ============ */
  .app-shell{display:flex;min-height:100vh;}
  .sidebar{
    width:var(--side-w);
    position:fixed;
    top:0;left:0;bottom:0;
    background:#FFFFFF;
    border-right:1px solid var(--border);
    display:flex;
    flex-direction:column;
    padding:22px 16px 18px;
    z-index:50;
    overflow-y:auto;
  }
  .brand{display:flex;align-items:center;gap:10px;padding:4px 6px 18px;border-bottom:1px solid var(--border);}
  .brand-mark{
    width:38px;height:38px;flex:0 0 38px;border-radius:12px;
    background:linear-gradient(135deg,#0E7C7B,#2AA7A5);
    color:#fff;font-size:15px;font-weight:700;
    display:flex;align-items:center;justify-content:center;
    letter-spacing:.5px;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.25;}
  .brand-text strong{font-size:14px;color:var(--text);font-weight:700;}
  .brand-text span{font-size:11px;color:var(--text-sub);letter-spacing:.6px;}
  .side-label{
    display:block;margin:20px 8px 8px;font-size:12px;letter-spacing:1px;
    color:#93A3A6;font-weight:600;
  }
  .side-nav{display:flex;flex-direction:column;gap:4px;}
  .side-link{
    position:relative;
    display:flex;align-items:center;gap:10px;
    padding:11px 12px 11px 14px;
    border-radius:var(--radius-md);
    font-size:14.5px;color:#41565A;font-weight:500;
    transition:background .2s ease,color .2s ease,transform .2s ease;
  }
  .side-link i{font-style:normal;font-size:9px;color:#C3D3D2;transition:color .2s ease;}
  .side-link:hover{background:#F1F8F8;color:var(--main-dark);transform:translateX(2px);}
  .side-link:hover i{color:var(--main);}
  .side-link.active{background:var(--main-soft);color:var(--main-dark);font-weight:700;}
  .side-link.active i{color:var(--main);}
  .side-link.active::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:3px;height:22px;border-radius:0 4px 4px 0;background:var(--main);
  }
  .side-foot{margin-top:auto;padding-top:20px;}
  .side-cta{
    background:linear-gradient(160deg,#E6F4F3,#F7FAFA);
    border:1px solid #D5EAE9;border-radius:var(--radius-lg);
    padding:16px 14px;
  }
  .side-cta strong{display:block;font-size:13.5px;color:var(--main-dark);margin-bottom:6px;}
  .side-cta p{font-size:12.5px;line-height:1.7;color:var(--text-sub);margin-bottom:12px;}

  .app-main{margin-left:var(--side-w);width:calc(100% - var(--side-w));min-height:100vh;display:flex;flex-direction:column;}
  .topbar{
    display:none;position:sticky;top:0;z-index:40;
    align-items:center;justify-content:space-between;
    padding:12px 16px;background:rgba(255,255,255,.94);
    backdrop-filter:blur(8px);border-bottom:1px solid var(--border);
  }
  .topbar-brand{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:700;color:var(--text);}
  .topbar-brand .brand-mark{width:30px;height:30px;flex:0 0 30px;font-size:12px;border-radius:9px;}
  .hamburger{
    width:40px;height:40px;border-radius:var(--radius-sm);
    border:1px solid var(--border);background:#fff;color:var(--main-dark);
    font-size:17px;display:flex;align-items:center;justify-content:center;
  }
  .hamburger:hover{background:var(--main-soft);border-color:#BFE0DF;}

  .container-x{max-width:1160px;margin:0 auto;padding:0 20px;width:100%;}
  .page-main{flex:1;padding-bottom:0;}

  /* ============ 通用组件 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--radius-md);border:1px solid transparent;
    padding:12px 24px;font-size:15px;font-weight:600;line-height:1.2;
    transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .btn-primary{background:var(--main);color:#fff;box-shadow:0 6px 16px rgba(14,124,123,.22);}
  .btn-primary:hover{background:var(--main-dark);color:#fff;transform:scale(1.02);box-shadow:0 10px 22px rgba(14,124,123,.3);}
  .btn-ghost{background:#fff;color:var(--main-dark);border-color:#BFE0DF;}
  .btn-ghost:hover{background:var(--main-soft);color:var(--main-dark);}
  .btn-accent{background:var(--accent-soft);color:#B25F14;border-color:#F6D6B4;}
  .btn-accent:hover{background:#FBE3CD;color:#B25F14;}
  .btn:active{transform:scale(.99);}
  .btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
  .btn-link{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--main-dark);font-weight:600;font-size:14.5px;
    text-decoration:underline;text-underline-offset:4px;text-decoration-color:transparent;
    transition:text-decoration-color .2s ease,color .2s ease;
  }
  .btn-link:hover{text-decoration-color:var(--main);color:var(--main-dark);}

  .tag{
    display:inline-flex;align-items:center;gap:5px;
    padding:3px 11px;border-radius:999px;
    font-size:12.5px;font-weight:600;
    background:var(--main-soft);color:var(--main-dark);
  }
  .tag-orange{background:var(--accent-soft);color:#B25F14;}
  .badge{
    display:inline-flex;align-items:center;
    padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600;
    background:#EEF3F3;color:#5B6B70;
  }
  .badge-run{background:var(--main-soft);color:var(--main-dark);}
  .badge-ok{background:#E8F6EC;color:#2F7D48;}
  .badge-wait{background:var(--accent-soft);color:#B25F14;}

  .crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:#7A8B8F;padding-top:26px;}
  .crumb a{color:#7A8B8F;}
  .crumb a:hover{color:var(--main-dark);}
  .crumb span{color:#B6C3C5;}

  .section{padding:var(--space-section) 0 0;}
  .section-head{max-width:720px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12.5px;font-weight:700;letter-spacing:1.4px;color:var(--main);
    text-transform:uppercase;margin-bottom:12px;
  }
  .eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--accent);}
  .section-title{font-size:24px;font-weight:700;}
  .section-desc{margin-top:12px;color:var(--text-sub);font-size:15px;}

  /* ============ KV 条 ============ */
  .kv{
    position:relative;margin-top:18px;
    border-radius:24px;overflow:hidden;
    background:#0E7C7B url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    border:1px solid #D3E7E6;
  }
  .kv::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(9,74,73,.94) 0%,rgba(14,124,123,.86) 46%,rgba(14,124,123,.42) 100%);
  }
  .kv-inner{position:relative;z-index:2;padding:52px 44px 48px;max-width:720px;}
  .kv h1{font-size:clamp(28px,3.4vw,40px);font-weight:700;color:#fff;letter-spacing:.4px;}
  .kv-sub{margin-top:14px;font-size:16px;color:#DDF1F0;max-width:560px;}
  .kv-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:26px;}
  .kv .btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.55);color:#fff;}
  .kv .btn-ghost:hover{background:rgba(255,255,255,.26);color:#fff;}
  .kv .btn-link{color:#EAF7F6;}
  .kv .btn-link:hover{color:#fff;text-decoration-color:#EAF7F6;}
  .kv-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
  .stat{
    background:rgba(255,255,255,.14);
    border:1px solid rgba(255,255,255,.3);
    border-radius:var(--radius-md);
    padding:10px 16px;min-width:118px;
  }
  .stat b{display:block;font-size:19px;color:#fff;font-weight:700;line-height:1.35;}
  .stat span{font-size:12.5px;color:#CDE9E8;}

  /* ============ 卡片 ============ */
  .card{
    background:var(--white);
    border:1px solid var(--border);
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#BFE0DF;}

  .lead-grid{display:grid;grid-template-columns:1.35fr .9fr;gap:24px;align-items:stretch;}
  .lead-text{padding:30px 32px;}
  .lead-text p{color:var(--text-sub);font-size:15.5px;}
  .lead-text p + p{margin-top:12px;}
  .note-list{margin-top:16px;display:flex;flex-direction:column;gap:9px;}
  .note-list li{display:flex;gap:10px;font-size:14.5px;color:#41565A;}
  .note-list li i{font-style:normal;color:var(--main);font-size:12px;line-height:2.1;}
  .lead-side{padding:26px 26px;background:linear-gradient(165deg,#E6F4F3,#FBFDFD);border-color:#D5EAE9;}
  .lead-side h3{font-size:16px;font-weight:700;color:var(--main-dark);margin-bottom:14px;}
  .mini-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed #CFE6E5;font-size:14px;}
  .mini-row:last-of-type{border-bottom:0;}
  .mini-row span{color:var(--text-sub);}
  .mini-row b{color:var(--main-dark);font-size:15px;}

  /* ============ 任务行卡 ============ */
  .task-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:34px;}
  .task-card{display:flex;gap:16px;padding:18px;align-items:flex-start;}
  .task-thumb{
    flex:0 0 118px;width:118px;height:88px;border-radius:var(--radius-md);
    overflow:hidden;background:var(--main-soft);position:relative;
  }
  .task-thumb img{width:100%;height:100%;object-fit:cover;}
  .task-thumb.img-fail{background:linear-gradient(135deg,#E6F4F3,#D3EAE9);}
  .task-thumb.img-fail::after{
    content:"\f03e";font-family:"Font Awesome 6 Free";font-weight:900;
    color:#9CC4C3;font-size:20px;position:absolute;inset:0;
    display:flex;align-items:center;justify-content:center;
  }
  .task-body{flex:1;min-width:0;}
  .task-body h3{font-size:16.5px;font-weight:700;}
  .task-body p{margin-top:8px;font-size:14.2px;color:var(--text-sub);line-height:1.75;}
  .task-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:12px;font-size:12.5px;color:#8093 96;}
  .task-meta{color:#809396;}

  /* ============ 进度组 ============ */
  .progress-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;margin-top:34px;align-items:start;}
  .progress-panel{padding:28px 30px;}
  .task-row + .task-row{margin-top:22px;}
  .task-row-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;flex-wrap:wrap;}
  .task-row-head strong{font-size:15px;font-weight:600;}
  .task-row-left{display:flex;align-items:center;gap:10px;min-width:0;}
  .task-row-sub{margin-top:8px;font-size:13px;color:#809396;}
  .bar{height:8px;border-radius:999px;background:var(--main-soft);overflow:hidden;}
  .bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#0E7C7B,#2AA7A5);}
  .bar.orange span{background:linear-gradient(90deg,#F2994A,#F7B573);}
  .tier-card{padding:26px 28px;}
  .tier-card h3{font-size:17px;font-weight:700;margin-bottom:6px;}
  .tier-card > p{font-size:14.2px;color:var(--text-sub);}
  .tier{display:flex;gap:14px;padding:15px 0;border-bottom:1px solid #EEF3F3;}
  .tier:last-child{border-bottom:0;}
  .tier-no{
    flex:0 0 34px;width:34px;height:34px;border-radius:11px;
    background:var(--accent-soft);color:#B25F14;font-weight:700;font-size:14px;
    display:flex;align-items:center;justify-content:center;
  }
  .tier b{display:block;font-size:14.5px;}
  .tier small{display:block;color:var(--text-sub);font-size:13px;margin-top:4px;line-height:1.7;}

  /* ============ 步骤 ============ */
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px;}
  .step{padding:22px 20px;position:relative;}
  .step-no{
    width:30px;height:30px;border-radius:9px;background:var(--main);
    color:#fff;font-size:14px;font-weight:700;
    display:flex;align-items:center;justify-content:center;margin-bottom:14px;
  }
  .step h3{font-size:15px;font-weight:700;}
  .step p{margin-top:8px;font-size:13.6px;color:var(--text-sub);line-height:1.8;}

  /* ============ 更新记录 ============ */
  .updates{margin-top:30px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
  .update{padding:22px 22px;border-left:3px solid var(--main);border-radius:var(--radius-md);background:#fff;border-top:1px solid var(--border);border-right:1px solid var(--border);border-bottom:1px solid var(--border);}
  .update time{font-size:12.5px;color:#809396;letter-spacing:.4px;}
  .update h3{margin-top:8px;font-size:15.5px;font-weight:700;}
  .update p{margin-top:8px;font-size:13.8px;color:var(--text-sub);line-height:1.8;}

  /* ============ FAQ ============ */
  .faq{margin-top:32px;display:flex;flex-direction:column;gap:12px;max-width:900px;}
  .faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
  .faq-item:hover{border-color:#BFE0DF;}
  .faq-item.open{border-color:#BFE0DF;box-shadow:var(--shadow);}
  .faq-q{
    width:100%;background:none;border:0;text-align:left;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:19px 22px;font-size:15.5px;font-weight:600;color:var(--text);
    transition:color .2s ease;
  }
  .faq-q:hover{color:var(--main-dark);}
  .faq-icon{
    flex:0 0 26px;width:26px;height:26px;border-radius:8px;
    background:var(--main-soft);color:var(--main-dark);
    display:flex;align-items:center;justify-content:center;
    font-size:15px;font-weight:700;line-height:1;transition:background .2s ease,transform .2s ease;
  }
  .faq-item.open .faq-icon{background:var(--main);color:#fff;transform:rotate(45deg);}
  .faq-a{display:none;padding:0 22px 20px;color:var(--text-sub);font-size:14.5px;line-height:1.9;border-top:1px solid #EEF3F3;margin-top:0;padding-top:16px;}
  .faq-item.open .faq-a{display:block;}

  /* ============ CTA 条带 ============ */
  .cta-band{margin-top:var(--space-section);}
  .cta-inner{
    position:relative;overflow:hidden;
    border-radius:24px;padding:46px 44px;
    background:linear-gradient(115deg,#E6F4F3 0%,#F4FAF9 58%,#FDF0E3 100%);
    border:1px solid #D5EAE9;
    display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  }
  .cta-inner h2{font-size:clamp(21px,2.4vw,26px);font-weight:700;}
  .cta-inner p{margin-top:10px;color:#4B6165;font-size:15px;max-width:620px;}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

  /* ============ 页脚 ============ */
  .site-footer{margin-top:var(--space-section);background:#F0F5F5;border-top:1px solid var(--border);}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding:52px 0 34px;}
  .footer-brand strong{font-size:16px;color:var(--text);display:block;margin-bottom:12px;}
  .footer-brand p{font-size:13.8px;color:var(--text-sub);line-height:1.85;max-width:330px;}
  .footer-col h4{font-size:14.5px;font-weight:700;margin-bottom:14px;color:var(--text);}
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col a{font-size:13.8px;color:#4E6367;transition:color .2s ease,padding-left .2s ease;}
  .footer-col a:hover{color:var(--main-dark);padding-left:3px;}
  .footer-bottom{
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    border-top:1px solid var(--border);padding:18px 0 26px;font-size:13px;color:#7A8B8F;
  }
  .to-top{
    width:36px;height:36px;border-radius:11px;background:#fff;border:1px solid var(--border);
    color:var(--main-dark);display:flex;align-items:center;justify-content:center;
    font-size:16px;transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .to-top:hover{background:var(--main);color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(14,124,123,.25);}

  /* ============ 抽屉 ============ */
  .drawer{
    position:fixed;top:0;left:0;bottom:0;width:280px;background:#fff;z-index:70;
    transform:translateX(-104%);transition:transform .26s ease;
    padding:20px 16px;overflow-y:auto;box-shadow:0 0 40px rgba(20,50,50,.18);
  }
  .drawer.open{transform:translateX(0);}
  .drawer-mask{
    position:fixed;inset:0;background:rgba(18,48,48,.42);z-index:60;
    opacity:0;visibility:hidden;transition:opacity .26s ease,visibility .26s ease;
  }
  .drawer-mask.show{opacity:1;visibility:visible;}

  /* ============ 响应式 ============ */
  @media (max-width:1023px){
    .sidebar{display:none;}
    .app-main{margin-left:0;width:100%;}
    .topbar{display:flex;}
    .kv-inner{padding:42px 28px 40px;}
    .lead-grid{grid-template-columns:1fr;}
    .progress-wrap{grid-template-columns:1fr;}
    .steps{grid-template-columns:repeat(2,1fr);}
    .updates{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:26px;padding:42px 0 28px;}
    .footer-brand{grid-column:1 / -1;}
  }
  @media (max-width:767px){
    :root{--space-section:56px;}
    .container-x{padding:0 16px;}
    .task-list{grid-template-columns:1fr;}
    .kv{border-radius:18px;}
    .kv-inner{padding:34px 20px 32px;}
    .kv-sub{font-size:15px;}
    .kv-badges{gap:10px;}
    .stat{flex:1 1 44%;min-width:0;padding:10px 13px;}
    .lead-text{padding:22px 20px;}
    .lead-side{padding:22px 20px;}
    .progress-panel,.tier-card{padding:22px 20px;}
    .cta-inner{padding:32px 22px;border-radius:18px;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom{justify-content:space-between;}
  }
  @media (max-width:520px){
    .task-card{flex-direction:column;}
    .task-thumb{width:100%;flex:0 0 auto;height:132px;}
    .steps{grid-template-columns:1fr;}
    .kv-actions .btn{width:100%;}
    .kv-actions{flex-direction:column;align-items:stretch;}
    .kv-actions .btn-link{justify-content:center;}
  }

/* roulang page: category3 */
:root{
    --brand:#0E7C7B;
    --brand-dark:#0A6362;
    --brand-soft:#E6F4F3;
    --accent:#F2994A;
    --accent-soft:#FDF1E6;
    --ink:#1F2A2E;
    --ink-2:#5B6B70;
    --line:#E3E8EA;
    --bg:#F7FAFA;
    --card:#FFFFFF;
    --r-lg:16px;
    --r-md:12px;
    --r-sm:10px;
    --shadow:0 8px 24px rgba(14,124,123,.08);
    --shadow-hover:0 14px 32px rgba(14,124,123,.16);
    --side:232px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    font-size:16px;
    line-height:1.9;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:var(--brand);text-decoration:none;}
  a:hover{color:var(--brand-dark);}
  h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--ink);}
  h1{font-size:clamp(28px,3.2vw,40px);}
  h2{font-size:24px;}
  h3{font-size:18px;font-weight:600;}
  p{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  button{font-family:inherit;cursor:pointer;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
  .container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

  /* ============ 侧边导航 ============ */
  .side-shell{
    position:fixed;top:0;left:0;bottom:0;width:var(--side);
    background:#fff;border-right:1px solid var(--line);
    display:flex;flex-direction:column;padding:22px 16px;z-index:60;
  }
  .side-brand{display:flex;align-items:center;gap:10px;padding:4px 8px 18px;border-bottom:1px solid var(--line);}
  .brand-mark{
    width:38px;height:38px;flex:0 0 38px;border-radius:12px;
    background:linear-gradient(135deg,var(--brand),#13A9A7);
    color:#fff;display:grid;place-items:center;font-weight:700;font-size:16px;
  }
  .side-brand strong{display:block;font-size:15px;color:var(--ink);line-height:1.3;}
  .side-brand span{display:block;font-size:12px;color:var(--ink-2);line-height:1.4;margin-top:2px;}
  .side-label{
    display:block;font-size:12px;color:var(--ink-2);letter-spacing:.18em;
    margin:20px 10px 8px;
  }
  .side-nav{display:flex;flex-direction:column;gap:4px;}
  .side-link{
    position:relative;display:flex;align-items:center;gap:10px;
    padding:11px 12px;border-radius:var(--r-md);
    color:var(--ink);font-size:15px;line-height:1.5;
    transition:background .2s ease,color .2s ease,transform .2s ease;
  }
  .side-link i{font-style:normal;font-size:9px;color:var(--brand);opacity:.45;transition:opacity .2s ease;}
  .side-link:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateX(2px);}
  .side-link:hover i{opacity:.9;}
  .side-link.active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600;}
  .side-link.active i{opacity:1;}
  .side-link.active::before{
    content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
    border-radius:0 3px 3px 0;background:var(--brand);
  }
  .side-cta{
    margin-top:auto;background:linear-gradient(150deg,var(--brand-soft),#fff);
    border:1px solid var(--line);border-radius:var(--r-lg);padding:16px;
  }
  .side-cta strong{display:block;font-size:14px;margin-bottom:6px;}
  .side-cta p{font-size:13px;color:var(--ink-2);line-height:1.7;margin-bottom:12px;}
  .side-cta .btn{width:100%;justify-content:center;font-size:14px;padding:10px 14px;}
  .side-mask{
    position:fixed;inset:0;background:rgba(19,42,44,.42);
    opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:55;
  }
  .side-mask.show{opacity:1;visibility:visible;}

  /* ============ 顶栏（移动端） ============ */
  .topbar{
    display:none;align-items:center;gap:12px;
    position:sticky;top:0;z-index:50;
    background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);padding:10px 16px;
  }
  .menu-btn{
    width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--line);
    background:#fff;display:grid;place-items:center;gap:4px;padding:0;
  }
  .menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);}
  .topbar-title{font-size:15px;font-weight:600;color:var(--ink);}
  .topbar-title small{display:block;font-size:11px;color:var(--ink-2);font-weight:400;line-height:1.2;}

  .main-wrap{margin-left:var(--side);display:flex;flex-direction:column;min-height:100vh;}

  /* ============ 通用组件 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 24px;border-radius:var(--r-md);border:1px solid transparent;
    font-size:15px;font-weight:600;line-height:1.2;
    transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(14,124,123,.22);}
  .btn-primary:hover{background:var(--brand-dark);color:#fff;transform:scale(1.02);}
  .btn-primary:active{transform:scale(.99);}
  .btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand);}
  .btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);}
  .btn-link{
    display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;
    color:var(--brand);border-bottom:1px solid transparent;padding-bottom:2px;
    transition:border-color .2s ease,color .2s ease;
  }
  .btn-link:hover{border-color:var(--brand);color:var(--brand-dark);}
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 12px;border-radius:999px;font-size:13px;font-weight:600;
    background:var(--brand-soft);color:var(--brand-dark);line-height:1.6;
  }
  .badge-warm{background:var(--accent-soft);color:#B76425;}
  .badge-plain{background:#F0F5F5;color:var(--ink-2);}
  .section{padding:56px 0;}
  .section-head{max-width:760px;margin-bottom:28px;}
  .section-head p{color:var(--ink-2);font-size:15px;margin-top:10px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--brand);
    text-transform:uppercase;margin-bottom:12px;
  }
  .eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent);}

  /* ============ KV 区 ============ */
  .kv{
    position:relative;overflow:hidden;border-radius:24px;
    background:linear-gradient(125deg,#0E7C7B 0%,#129290 55%,#0A6362 100%);
    color:#fff;padding:56px 44px;
  }
  .kv::before{
    content:"";position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-3.webp');
    background-size:cover;background-position:center;opacity:.22;
  }
  .kv::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(10,99,98,.88) 0%,rgba(10,99,98,.42) 62%,rgba(10,99,98,.12) 100%);
  }
  .kv-inner{position:relative;z-index:2;max-width:720px;}
  .kv h1{color:#fff;margin:10px 0 14px;}
  .kv .kv-sub{font-size:17px;color:rgba(255,255,255,.92);line-height:1.8;}
  .kv .kv-desc{font-size:15px;color:rgba(255,255,255,.78);margin-top:10px;max-width:620px;}
  .kv-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:26px;}
  .kv .btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.62);}
  .kv .btn-ghost:hover{background:#fff;color:var(--brand-dark);border-color:#fff;}
  .kv .badge{background:rgba(255,255,255,.16);color:#fff;}
  .kv-stats{
    position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
    gap:14px;margin-top:34px;
  }
  .kv-stat{
    background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
    border-radius:var(--r-md);padding:14px 16px;
  }
  .kv-stat strong{display:block;font-size:20px;color:#fff;}
  .kv-stat span{font-size:13px;color:rgba(255,255,255,.82);}

  /* ============ 行卡列表 ============ */
  .rowlist{display:grid;gap:18px;}
  .rowcard{
    display:grid;grid-template-columns:210px minmax(0,1fr);gap:20px;
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:18px;box-shadow:var(--shadow);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .rowcard:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#BFE3E1;}
  .rowcard-media{
    position:relative;border-radius:var(--r-md);overflow:hidden;background:var(--brand-soft);
    aspect-ratio:4/3;
  }
  .rowcard-media img{width:100%;height:100%;object-fit:cover;}
  .rowcard-body{display:flex;flex-direction:column;gap:10px;padding:4px 2px;}
  .rowcard-body h3{font-size:18px;}
  .rowcard-body p{font-size:14.5px;color:var(--ink-2);line-height:1.85;}
  .rowcard-foot{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:auto;padding-top:8px;}
  .rowcard-foot .tag{font-size:13px;color:var(--ink-2);display:inline-flex;align-items:center;gap:6px;}
  .rowcard-foot .tag::before{content:"•";color:var(--accent);}

  /* ============ 步骤 ============ */
  .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;counter-reset:step;}
  .step{
    position:relative;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-lg);padding:22px 18px;box-shadow:var(--shadow);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .step:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#BFE3E1;}
  .step-no{
    display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
    background:var(--brand-soft);color:var(--brand-dark);font-weight:700;font-size:14px;
    margin-bottom:12px;
  }
  .step h3{font-size:16px;margin-bottom:6px;}
  .step p{font-size:14px;color:var(--ink-2);line-height:1.8;}
  .step-line{position:relative;}

  /* ============ 提示条 ============ */
  .notebar{
    display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px;align-items:center;
    background:#fff;border:1px solid var(--line);border-left:4px solid var(--accent);
    border-radius:var(--r-lg);padding:18px 22px;box-shadow:var(--shadow);
  }
  .notebar strong{display:block;font-size:16px;margin-bottom:4px;}
  .notebar p{font-size:14px;color:var(--ink-2);}

  /* ============ 进度条 ============ */
  .progress-wrap{display:grid;gap:14px;}
  .progress-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    padding:16px 20px;box-shadow:var(--shadow);
  }
  .progress-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;}
  .progress-top span{font-size:15px;font-weight:600;}
  .progress-track{height:8px;border-radius:999px;background:var(--brand-soft);overflow:hidden;}
  .progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),#18B0AE);}
  .progress-fill.warm{background:linear-gradient(90deg,#F2994A,#F6B57E);}
  .percent{
    display:inline-flex;padding:2px 10px;border-radius:999px;font-size:12.5px;font-weight:700;
    background:var(--brand-soft);color:var(--brand-dark);
  }
  .percent.warm{background:var(--accent-soft);color:#B76425;}

  /* ============ FAQ ============ */
  .faq{display:grid;gap:12px;}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    overflow:hidden;box-shadow:var(--shadow);transition:border-color .2s ease;
  }
  .faq-item.open{border-color:#BFE3E1;}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    background:#fff;border:0;padding:18px 22px;text-align:left;
    font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
    transition:background .2s ease,color .2s ease;
  }
  .faq-q:hover{background:var(--brand-soft);color:var(--brand-dark);}
  .faq-icon{
    flex:0 0 26px;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
    background:var(--brand-soft);color:var(--brand-dark);font-size:16px;font-weight:700;
    font-style:normal;transition:transform .25s ease,background .2s ease;
  }
  .faq-item.open .faq-icon{background:var(--brand);color:#fff;transform:rotate(45deg);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
  .faq-a p{padding:0 22px 20px;font-size:15px;color:var(--ink-2);line-height:1.9;}

  /* ============ CTA ============ */
  .cta-band{
    position:relative;overflow:hidden;border-radius:24px;
    background:linear-gradient(115deg,#E6F4F3 0%,#F6FBFA 60%,#FDF1E6 100%);
    border:1px solid var(--line);
    padding:44px;display:grid;grid-template-columns:minmax(0,1fr) auto;
    gap:28px;align-items:center;
  }
  .cta-band h2{margin-bottom:10px;}
  .cta-band p{color:var(--ink-2);font-size:15px;max-width:620px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

  /* ============ 页脚 ============ */
  .site-footer{background:#F0F5F5;border-top:1px solid var(--line);margin-top:auto;padding:48px 0 20px;}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
  .footer-brand strong{display:block;font-size:16px;margin-bottom:10px;}
  .footer-brand p{font-size:14px;color:var(--ink-2);line-height:1.9;max-width:340px;}
  .footer-col h4{font-size:14px;color:var(--ink);margin-bottom:12px;letter-spacing:.04em;}
  .footer-col ul{display:grid;gap:9px;}
  .footer-col a{font-size:14px;color:var(--ink-2);transition:color .2s ease,padding-left .2s ease;}
  .footer-col a:hover{color:var(--brand);padding-left:3px;}
  .footer-bottom{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    border-top:1px solid var(--line);margin-top:34px;padding-top:18px;
    font-size:13px;color:var(--ink-2);
  }
  .to-top{
    width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
    background:#fff;border:1px solid var(--line);color:var(--brand);font-size:16px;
    transition:background .2s ease,color .2s ease,transform .2s ease;
  }
  .to-top:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}

  /* ============ 响应式 ============ */
  @media (max-width:1023px){
    .side-shell{transform:translateX(-100%);transition:transform .28s ease;box-shadow:var(--shadow-hover);}
    .side-shell.open{transform:none;}
    .main-wrap{margin-left:0;}
    .topbar{display:flex;}
    .kv{padding:40px 26px;border-radius:20px;}
    .kv-stats{grid-template-columns:1fr;}
    .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
    .cta-band{grid-template-columns:1fr;padding:32px 26px;}
    .footer-grid{grid-template-columns:1fr 1fr;}
    .notebar{grid-template-columns:1fr;}
  }
  @media (max-width:767px){
    body{font-size:15.5px;}
    .container-x{padding:0 16px;}
    .section{padding:44px 0;}
    .rowcard{grid-template-columns:1fr;gap:14px;}
    .rowcard-media{aspect-ratio:16/9;}
    .kv{padding:34px 20px;}
    .kv-actions .btn{width:100%;}
    .steps{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;gap:26px;}
    h2{font-size:21px;}
    .faq-q{padding:16px 18px;font-size:15.5px;}
    .faq-a p{padding:0 18px 18px;}
  }
  @media (max-width:520px){
    .kv h1{font-size:26px;}
    .rowcard{padding:14px;}
    .cta-band{padding:26px 20px;border-radius:18px;}
    .cta-actions .btn{width:100%;}
  }