/* roulang page: index */
:root{
  --brand:#E8562B;
  --brand-dark:#C8401C;
  --brand-light:#FDEDE7;
  --deep:#123B33;
  --accent:#F2C744;
  --paper:#FAF8F5;
  --card:#FFFFFF;
  --sand:#F3EFE9;
  --ink:#1C1B19;
  --ink2:#5C5852;
  --ink3:#8A857D;
  --line:#E6E1D9;
  --line-strong:#D9D2C7;
  --radius-card:14px;
  --radius-pic:12px;
  --radius-btn:10px;
  --shadow-soft:0 1px 2px rgba(18,59,51,.06);
  --shadow-lift:0 10px 28px rgba(18,59,51,.10);
  --wrap:1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--paper);
  color:var(--ink);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px;}
.sec{padding:88px 0;}
.sec-tight{padding:64px 0;}
.sec-sand{background:var(--sand);}
.sec-dark{background:var(--deep);color:#fff;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.02em;color:var(--brand);
  background:var(--brand-light);border-radius:999px;padding:5px 14px;font-weight:600;
}
.eyebrow.on-dark{background:rgba(255,255,255,.10);color:#F7D9CB;}

h1{font-size:clamp(30px,4.4vw,52px);line-height:1.18;font-weight:700;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
.lead{font-size:17px;color:var(--ink2);line-height:1.85;}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.sec-head p{margin-top:12px;color:var(--ink2);max-width:640px;}
.textlink{color:var(--ink2);font-size:15px;font-weight:600;border-bottom:1px solid transparent;transition:.2s;}
.textlink:hover{color:var(--brand);border-bottom-color:var(--brand);}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:var(--card);border-bottom:1px solid var(--line);box-shadow:var(--shadow-soft);}
.nav-top{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--brand);position:relative;overflow:hidden;flex:0 0 auto;}
.brand-mark::before{content:"";position:absolute;inset:9px;border:2px solid #fff;border-radius:50%;opacity:.9;}
.brand-mark::after{content:"";position:absolute;left:50%;bottom:7px;width:2px;height:14px;background:#fff;transform:translateX(-50%);}
.brand-name{font-size:19px;font-weight:700;line-height:1.1;letter-spacing:.01em;}
.brand-sub{font-size:11px;color:var(--ink3);letter-spacing:.08em;}
.nav-tools{display:flex;align-items:center;gap:12px;}
.search-box{position:relative;display:flex;align-items:center;}
.search-box input{
  width:240px;height:42px;border-radius:var(--radius-btn);border:1px solid var(--line-strong);
  background:#fff;padding:0 14px 0 40px;font-size:15px;transition:.2s;
}
.search-box input::placeholder{color:var(--ink3);}
.search-box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(232,86,43,.14);}
.search-box .s-icon{position:absolute;left:13px;color:var(--ink3);font-size:15px;pointer-events:none;}
.search-btn{
  height:42px;padding:0 16px;border-radius:var(--radius-btn);border:1px solid var(--line-strong);
  background:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:.2s;
}
.search-btn:hover{border-color:var(--brand);color:var(--brand);}
.search-toggle{display:none;width:42px;height:42px;border-radius:var(--radius-btn);border:1px solid var(--line-strong);background:#fff;cursor:pointer;font-size:16px;}
.search-toggle:hover{border-color:var(--brand);color:var(--brand);}
.search-panel{display:none;padding:12px 0 16px;}
.search-panel.open{display:block;}
.search-panel .row{display:flex;gap:10px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--shadow-lift);}
.btn-primary:active{transform:translateY(0) scale(.99);box-shadow:var(--shadow-soft);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--ink);}
.btn-ghost:hover{background:rgba(232,86,43,.06);border-color:var(--brand);color:var(--brand-dark);}
.btn-ghost:active{transform:scale(.99);}
.btn-on-dark{background:#fff;color:var(--deep);}
.btn-on-dark:hover{background:#F7EFE9;transform:translateY(-1px);box-shadow:0 10px 28px rgba(0,0,0,.22);}
.btn-outline-dark{background:transparent;border-color:rgba(255,255,255,.45);color:#fff;}
.btn-outline-dark:hover{background:rgba(255,255,255,.10);border-color:#fff;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

.nav-tabs-wrap{border-top:1px solid var(--line);}
.nav-tabs{display:flex;gap:10px;height:48px;align-items:center;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.nav-tabs::-webkit-scrollbar{display:none;}
.nav-tab{
  flex:0 0 auto;height:34px;display:inline-flex;align-items:center;padding:0 18px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--ink2);border:1px solid var(--line-strong);background:#fff;transition:.2s;
}
.nav-tab:hover{color:var(--brand);border-color:var(--brand);}
.nav-tab.active{background:var(--brand);border-color:var(--brand);color:#fff;}

/* Hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#FFFFFF 0%,var(--paper) 100%);border-bottom:1px solid var(--line);}
.hero::after{
  content:"";position:absolute;top:-140px;right:-90px;width:540px;height:540px;pointer-events:none;
  background:linear-gradient(135deg,rgba(232,86,43,.08),rgba(242,199,68,.08));
  transform:rotate(14deg);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:76px 0 84px;}
.hero-copy{max-width:560px;}
.hero-copy h1{margin:18px 0 16px;}
.hero-sub{font-size:17px;color:var(--ink2);max-width:520px;}
.hero-actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap;}
.hero-micro{display:flex;gap:18px;margin-top:34px;font-size:13px;color:var(--ink2);flex-wrap:wrap;}
.hero-micro span{display:inline-flex;align-items:center;gap:10px;}
.hero-micro span + span::before{content:"";width:1px;height:14px;background:var(--line-strong);display:inline-block;margin-right:8px;}
.hero-figure{border-radius:var(--radius-pic);overflow:hidden;box-shadow:var(--shadow-soft);}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .2s ease;}
.hero-figure:hover img{transform:scale(1.02);}

/* 卖点非对称栅格 */
.usp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.usp-main{
  grid-column:span 2;background:var(--deep);color:#fff;border-radius:var(--radius-card);padding:34px;
  display:flex;flex-direction:column;justify-content:space-between;min-height:300px;
}
.usp-main h3{font-size:24px;margin-bottom:14px;color:#fff;}
.usp-main p{color:rgba(255,255,255,.78);font-size:15.5px;}
.usp-main .num{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.1em;}
.usp-main ul{margin-top:24px;display:flex;flex-direction:column;gap:10px;}
.usp-main li{font-size:14px;color:rgba(255,255,255,.85);display:flex;gap:10px;align-items:flex-start;}
.usp-main li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:9px;flex:0 0 auto;}
.usp-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;
  box-shadow:var(--shadow-soft);transition:transform .2s ease, box-shadow .2s ease;display:flex;flex-direction:column;
}
.usp-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lift);}
.usp-card .num{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.08em;}
.usp-card h3{margin:14px 0 12px;}
.usp-card p{font-size:15px;color:var(--ink2);}
.usp-card .mini{margin-top:auto;padding-top:20px;font-size:13px;color:var(--ink3);border-top:1px solid var(--line);margin-top:22px;}

/* 场景交替图文 */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:44px 0;}
.feature-row + .feature-row{border-top:1px solid var(--line);}
.feature-row.reverse .feature-media{order:2;}
.feature-media{position:relative;border-radius:var(--radius-pic);overflow:hidden;box-shadow:var(--shadow-soft);}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .25s ease;}
.feature-media:hover img{transform:scale(1.02);}
.feature-tag{
  position:absolute;left:14px;bottom:14px;background:rgba(255,255,255,.94);color:var(--deep);
  font-size:12.5px;font-weight:600;padding:6px 12px;border-radius:999px;border:1px solid rgba(18,59,51,.10);
}
.feature-text h3{font-size:24px;margin-bottom:14px;}
.feature-text p{color:var(--ink2);font-size:16px;}
.points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.point{font-size:13px;color:var(--deep);background:var(--sand);border:1px solid var(--line);border-radius:999px;padding:6px 14px;}

/* 资讯卡片 */
.grid-news{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-soft);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lift);border-color:var(--line-strong);}
.news-card .thumb{overflow:hidden;background:var(--sand);}
.news-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .22s ease;}
.news-card:hover .thumb img{transform:scale(1.02);}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge{
  align-self:flex-start;font-size:12px;font-weight:600;color:var(--brand-dark);
  background:var(--brand-light);border-radius:999px;padding:4px 12px;
}
.news-body h3{font-size:17.5px;line-height:1.5;font-weight:600;}
.news-body p{font-size:14.5px;color:var(--ink2);}
.meta{font-size:13px;color:var(--ink3);margin-top:auto;padding-top:8px;border-top:1px solid var(--line);display:flex;gap:10px;align-items:center;}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.empty{
  grid-column:1/-1;min-height:240px;border:1px dashed var(--line-strong);border-radius:var(--radius-card);
  background:var(--card);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:32px;
}
.empty .shape{width:64px;height:64px;border-radius:18px;background:var(--sand);border:1px solid var(--line);position:relative;}
.empty .shape::after{content:"";position:absolute;inset:20px 16px;border-bottom:2px solid var(--line-strong);border-top:2px solid var(--line-strong);}
.empty p{color:var(--ink2);font-size:15px;}

/* 数据条 */
.stats{background:var(--deep);color:#fff;border-radius:var(--radius-card);padding:36px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat .n{font-size:clamp(32px,3.4vw,40px);font-weight:700;line-height:1.1;color:#fff;font-variant-numeric:tabular-nums;}
.stat .n em{font-style:normal;color:var(--accent);font-size:20px;margin-left:4px;}
.stat .l{font-size:13.5px;color:rgba(255,255,255,.72);margin-top:8px;}

/* 合作方 */
.partners{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:36px;}
.partner{
  height:74px;border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14.5px;font-weight:600;color:var(--ink3);
  filter:grayscale(1);transition:.22s;
}
.partner:hover{filter:grayscale(0);color:var(--brand-dark);border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-soft);}

/* 评价 */
.quotes{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:40px;}
.quote{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-soft);}
.quote .mark{font-size:34px;line-height:1;color:var(--brand);font-weight:700;}
.quote p{margin-top:12px;font-size:15.5px;color:var(--ink2);}
.quote .who{display:flex;align-items:center;gap:12px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line);}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--sand);border:1px solid var(--line);flex:0 0 auto;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:var(--deep);}
.who .name{font-size:14.5px;font-weight:600;}
.who .org{font-size:13px;color:var(--ink3);}

/* FAQ */
.faq-wrap{max-width:840px;margin:0 auto;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--card);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 20px;font-size:16.5px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"⌄";font-size:20px;color:var(--ink3);transition:transform .22s ease;line-height:1;}
.faq-item[open]{border-left:4px solid var(--brand);}
.faq-item[open] summary{color:var(--brand-dark);}
.faq-item[open] summary::after{transform:rotate(180deg);color:var(--brand);}
.faq-body{padding:0 20px 20px;color:var(--ink2);font-size:15.5px;}

/* CTA */
.cta-band{
  background:var(--deep);color:#fff;border-radius:var(--radius-card);padding:48px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band h2{color:#fff;}
.cta-band p{color:rgba(255,255,255,.78);margin-top:12px;max-width:560px;font-size:15.5px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* 表单 */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-size:14px;font-weight:600;color:var(--ink2);}
.field input,.field select,.field textarea{
  height:46px;border-radius:var(--radius-btn);border:1px solid var(--line-strong);background:#fff;
  padding:0 14px;font-size:15px;transition:.2s;
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(232,86,43,.14);}
.form-note{font-size:13px;color:var(--ink3);}
.form-msg{min-height:20px;font-size:13.5px;color:var(--ink3);}
.form-msg.err{color:#C8401C;}

/* 页脚 */
.site-footer{background:var(--deep);color:rgba(255,255,255,.80);padding:64px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.foot-brand .brand-name{color:#fff;}
.foot-brand .brand-sub{color:rgba(255,255,255,.55);}
.foot-brand p{margin-top:18px;font-size:14.5px;color:rgba(255,255,255,.66);max-width:320px;}
.foot-col h4{font-size:14px;color:#fff;font-weight:600;margin-bottom:16px;}
.foot-col li{margin-bottom:10px;}
.foot-col a{font-size:14.5px;color:rgba(255,255,255,.72);transition:.2s;}
.foot-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.foot-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.14);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:rgba(255,255,255,.60);flex-wrap:wrap;
}
.foot-bottom a{color:rgba(255,255,255,.72);}
.foot-bottom a:hover{color:#fff;}

/* 移动固定转化条 */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:50;height:62px;
  background:#fff;border-top:1px solid var(--line);box-shadow:0 -4px 18px rgba(18,59,51,.08);
  padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  align-items:center;gap:10px;
}
.mobile-bar .btn{flex:1;height:44px;padding:0 12px;font-size:14.5px;}

/* 响应式 */
@media (max-width:1023px){
  .wrap{padding:0 24px;}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:56px 0 64px;}
  .hero-copy{max-width:none;}
  .usp-grid{grid-template-columns:repeat(2,1fr);}
  .usp-main{grid-column:span 2;}
  .feature-row{grid-template-columns:1fr;gap:28px;padding:36px 0;}
  .feature-row.reverse .feature-media{order:0;}
  .grid-news{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);}
  .partners{grid-template-columns:repeat(3,1fr);}
  .quotes{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .search-box{display:none;}
  .search-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-cta{display:none;}
  .nav-top{height:56px;}
  body{padding-bottom:72px;}
  .mobile-bar{display:flex;}
}
@media (max-width:639px){
  .wrap{padding:0 20px;}
  .sec{padding:52px 0;}
  .sec-tight{padding:44px 0;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .usp-grid{grid-template-columns:1fr;}
  .usp-main{grid-column:span 1;padding:28px;min-height:0;}
  .grid-news{grid-template-columns:1fr;}
  .stats{grid-template-columns:repeat(2,1fr);padding:26px;gap:20px;}
  .partners{grid-template-columns:repeat(2,1fr);}
  .form-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 22px;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
    --brand:#E8562B;
    --brand-dark:#C8401C;
    --brand-soft:#FDEDE7;
    --deep:#123B33;
    --deep-soft:#1B4B41;
    --accent:#F2C744;
    --paper:#FAF8F5;
    --card:#FFFFFF;
    --section:#F3EFE9;
    --ink:#1C1B19;
    --ink-2:#5C5852;
    --ink-3:#8A857D;
    --line:#E6E1D9;
    --line-2:#D9D2C7;
    --r-card:14px;
    --r-img:12px;
    --r-btn:10px;
    --sh-1:0 1px 2px rgba(18,59,51,.06);
    --sh-2:0 10px 28px rgba(18,59,51,.10);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    background:var(--paper);
    color:var(--ink);
    font-size:16px;
    line-height:1.8;
    font-variant-numeric:tabular-nums;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;cursor:pointer;}
  input,textarea,select{font-family:inherit;font-size:15px;color:var(--ink);}
  ul,ol{margin:0;padding:0;}
  h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--ink);}
  p{margin:0 0 1.1em;}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
  .wrap{max-width:1200px;margin:0 auto;padding:0 32px;}
  .num{font-variant-numeric:tabular-nums;}

  /* ---------- header ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:var(--card);border-bottom:1px solid var(--line);box-shadow:0 1px 2px rgba(18,59,51,.05);}
  .header-top-inner{display:flex;align-items:center;gap:20px;height:64px;}
  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .brand-mark{position:relative;width:34px;height:34px;border-radius:10px;background:var(--brand);flex:0 0 auto;}
  .brand-mark::after{content:"";position:absolute;inset:6px;border:2px solid rgba(255,255,255,.92);border-radius:50%;border-right-color:transparent;transform:rotate(-30deg);}
  .brand-name{display:block;font-size:17px;font-weight:700;line-height:1.15;letter-spacing:.01em;}
  .brand-sub{display:block;font-size:11px;color:var(--ink-3);letter-spacing:.06em;line-height:1.4;}
  .header-search{margin-left:auto;display:flex;align-items:center;gap:8px;height:40px;width:280px;padding:0 4px 0 12px;background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);transition:border-color .2s,box-shadow .2s;}
  .header-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,86,43,.12);}
  .header-search i{color:var(--ink-3);font-size:14px;}
  .header-search input{flex:1;min-width:0;border:0;outline:none;background:transparent;height:100%;}
  .header-search button{height:32px;padding:0 12px;border:0;border-radius:8px;background:var(--brand);color:#fff;font-size:13px;transition:background .2s;}
  .header-search button:hover{background:var(--brand-dark);}
  .header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .icon-btn{display:none;width:40px;height:40px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;color:var(--ink-2);transition:all .2s;}
  .icon-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
  .header-tabs{border-top:1px solid var(--line);background:var(--card);}
  .nav-tabs{display:flex;gap:10px;overflow-x:auto;padding:7px 0;scrollbar-width:none;-webkit-overflow-scrolling:touch;}
  .nav-tabs::-webkit-scrollbar{display:none;}
  .nav-tab{flex:0 0 auto;padding:8px 18px;border-radius:999px;font-size:14px;color:var(--ink-2);background:#fff;border:1px solid var(--line);transition:all .2s;}
  .nav-tab:hover{color:var(--brand);border-color:#F0B4A0;background:var(--brand-soft);}
  .nav-tab.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}
  .mobile-search{display:none;background:#fff;border-top:1px solid var(--line);padding:12px 20px;}
  .mobile-search.open{display:block;}
  .mobile-search form{display:flex;gap:8px;}
  .mobile-search input{flex:1;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);padding:0 14px;}
  .mobile-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,86,43,.12);}

  /* ---------- buttons ---------- */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:all .2s ease;}
  .btn-sm{height:40px;padding:0 18px;font-size:14px;}
  .btn-primary{background:var(--brand);color:#fff;}
  .btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--sh-2);}
  .btn-primary:active{transform:translateY(0) scale(.99);}
  .btn-ghost{background:transparent;border-color:var(--line-2);color:var(--ink);}
  .btn-ghost:hover{background:rgba(232,86,43,.06);border-color:var(--brand);color:var(--brand);}
  .btn-light{background:#fff;color:var(--deep);}
  .btn-light:hover{background:#F6F1EA;transform:translateY(-1px);}
  .btn-outline-light{background:transparent;border-color:rgba(255,255,255,.45);color:#fff;}
  .btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.10);}
  .btn-block{width:100%;}
  .text-link{color:var(--ink-2);font-size:14px;border-bottom:1px solid transparent;transition:all .2s;}
  .text-link:hover{color:var(--brand);border-bottom-color:var(--brand);}

  /* ---------- crumbs & head ---------- */
  .page-main{padding:28px 0 0;}
  .crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:22px;}
  .crumbs a:hover{color:var(--brand);}
  .crumbs .sep{color:var(--line-2);}
  .crumbs .current{color:var(--ink-3);max-width:62%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

  .article-head{max-width:860px;margin-bottom:26px;}
  .pill{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;background:var(--brand-soft);color:var(--brand-dark);font-size:12px;font-weight:600;letter-spacing:.02em;}
  .article-head h1{font-size:clamp(26px,3.4vw,40px);line-height:1.25;margin:16px 0 14px;letter-spacing:.01em;}
  .meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:12px;font-size:13.5px;color:var(--ink-3);}
  .meta-row .vline{width:1px;height:12px;background:var(--line-2);}
  .meta-row b{font-weight:600;color:var(--ink-2);}

  /* ---------- layout ---------- */
  .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:36px;align-items:start;}
  .article-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:38px 42px 30px;}

  /* ---------- article body ---------- */
  .article-body{max-width:800px;font-size:17px;line-height:1.85;color:#26241F;}
  .article-body p{margin:0 0 1.15em;}
  .article-body h2{position:relative;font-size:clamp(20px,2.2vw,24px);line-height:1.4;margin:2em 0 .8em;padding-left:14px;}
  .article-body h2::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:1em;border-radius:2px;background:var(--brand);}
  .article-body h3{font-size:20px;line-height:1.4;margin:1.6em 0 .6em;}
  .article-body h4{font-size:17px;margin:1.4em 0 .5em;}
  .article-body a{color:var(--brand-dark);border-bottom:1px solid rgba(232,86,43,.35);}
  .article-body a:hover{color:var(--brand);border-bottom-color:var(--brand);}
  .article-body img{width:100%;height:auto;border-radius:var(--r-img);margin:1.5em 0;}
  .article-body blockquote{margin:1.5em 0;padding:16px 20px;background:var(--brand-soft);border-left:3px solid var(--brand);border-radius:0 10px 10px 0;color:#3A3630;font-size:16px;}
  .article-body blockquote p:last-child{margin-bottom:0;}
  .article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:22px;}
  .article-body ul li{list-style:disc;margin-bottom:.5em;}
  .article-body ol li{list-style:decimal;margin-bottom:.5em;}
  .article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;}
  .article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
  .article-body th{background:var(--section);font-weight:600;}
  .article-body figure{margin:1.5em 0;overflow-x:auto;}
  .article-body strong{font-weight:700;}

  .empty-state{text-align:center;padding:56px 20px;max-width:560px;margin:0 auto;}
  .empty-ico{width:64px;height:64px;margin:0 auto 18px;border-radius:18px;background:var(--section);display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:24px;}
  .empty-state h2{font-size:22px;margin-bottom:10px;}
  .empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:22px;}

  /* ---------- article foot ---------- */
  .article-foot{margin-top:30px;padding-top:22px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;}
  .tags{display:flex;flex-wrap:wrap;gap:8px;}
  .tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;background:var(--section);color:var(--ink-2);font-size:13px;border:1px solid transparent;transition:all .2s;}
  .tag:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:#F4C3B2;}
  .foot-tools{display:flex;align-items:center;gap:10px;}
  .tool-btn{display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 14px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink-2);font-size:13.5px;transition:all .2s;}
  .tool-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
  .tool-btn.on{background:var(--brand-soft);color:var(--brand-dark);border-color:#F4C3B2;}

  /* ---------- sidebar ---------- */
  .article-side{position:sticky;top:132px;display:grid;gap:16px;}
  .side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);}
  .side-card h3{font-size:15px;margin-bottom:14px;padding-left:10px;position:relative;}
  .side-card h3::before{content:"";position:absolute;left:0;top:.32em;width:3px;height:.95em;border-radius:2px;background:var(--brand);}
  .side-list{display:grid;gap:12px;font-size:14px;}
  .side-list li{display:flex;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px dashed var(--line);}
  .side-list li:last-child{border-bottom:0;padding-bottom:0;}
  .side-list span{color:var(--ink-3);}
  .side-list b{font-weight:600;color:var(--ink);text-align:right;}
  .side-cta{background:var(--deep);border-color:var(--deep);color:#D7E5E1;}
  .side-cta h3{color:#fff;}
  .side-cta h3::before{background:var(--accent);}
  .side-cta p{font-size:13.5px;line-height:1.75;color:#A9C6BF;margin-bottom:16px;}
  .side-cta .btn{margin-bottom:10px;height:42px;font-size:14px;}
  .side-cta .btn-ghost{border-color:rgba(255,255,255,.35);color:#fff;}
  .side-cta .btn-ghost:hover{background:rgba(255,255,255,.10);color:#fff;border-color:#fff;}

  /* ---------- sections ---------- */
  .section{margin-top:72px;}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
  .sec-head h2{font-size:clamp(22px,2.6vw,30px);}
  .sec-head p{color:var(--ink-2);font-size:14px;margin:8px 0 0;}

  /* ---------- related ---------- */
  .related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
  .rel-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;}
  .rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
  .rel-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--section);}
  .rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease;}
  .rel-card:hover .rel-thumb img{transform:scale(1.02);}
  .rel-body{padding:18px 20px 20px;}
  .badge{display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;background:var(--brand-soft);color:var(--brand-dark);font-size:12px;font-weight:600;}
  .rel-body h3{font-size:16px;line-height:1.5;margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .rel-body span.time{display:block;margin-top:10px;font-size:13px;color:var(--ink-3);}

  /* ---------- cta ---------- */
  .cta-band{margin-top:80px;background:var(--deep);color:#fff;}
  .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:56px 0;}
  .cta-inner h2{color:#fff;font-size:clamp(22px,2.8vw,32px);line-height:1.3;}
  .cta-inner p{color:#A9C6BF;font-size:15px;margin:12px 0 0;max-width:560px;}
  .cta-actions{display:flex;gap:12px;flex:0 0 auto;}

  /* ---------- footer ---------- */
  .site-footer{background:var(--deep);color:#C9DCD7;padding:64px 0 26px;}
  .foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
  .foot-brand .brand-name{color:#fff;}
  .foot-brand .brand-sub{color:#8FB3AA;}
  .foot-brand p{margin-top:16px;max-width:340px;font-size:14px;line-height:1.8;color:#9FBFB7;}
  .foot-col h4{color:#fff;font-size:15px;margin-bottom:14px;}
  .foot-col ul{display:grid;gap:10px;}
  .foot-col li{list-style:none;}
  .foot-col a{font-size:14px;color:#9FBFB7;transition:color .2s;}
  .foot-col a:hover{color:#fff;}
  .foot-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:#8FB3AA;}
  .foot-bottom a:hover{color:#fff;}

  /* ---------- mobile bar ---------- */
  .mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:50;background:#fff;border-top:1px solid var(--line);padding:8px 16px calc(8px + env(safe-area-inset-bottom));gap:10px;box-shadow:0 -4px 16px rgba(18,59,51,.08);}
  .mobile-bar .btn{flex:1;height:48px;font-size:15px;}

  /* ---------- responsive ---------- */
  @media (max-width:1100px){
    .article-layout{grid-template-columns:1fr;gap:28px;}
    .article-side{position:static;grid-template-columns:repeat(2,minmax(0,1fr));}
  }
  @media (max-width:1023px){
    .mobile-bar{display:flex;}
    body{padding-bottom:72px;}
    .header-search{display:none;}
    .icon-btn{display:inline-flex;}
    .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
    .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .cta-inner{flex-direction:column;align-items:flex-start;padding:48px 0;}
  }
  @media (max-width:767px){
    .wrap{padding:0 20px;}
    .article-card{padding:24px 20px 20px;}
    .article-side{grid-template-columns:1fr;}
    .article-body{font-size:16.5px;line-height:1.85;}
    .section{margin-top:52px;}
    .cta-band{margin-top:56px;}
    .crumbs .current{max-width:100%;white-space:normal;}
  }
  @media (max-width:520px){
    .header-top-inner{height:56px;gap:12px;}
    .brand-name{font-size:16px;}
    .related-grid{grid-template-columns:1fr;}
    .foot-grid{grid-template-columns:1fr;}
    .cta-actions{width:100%;flex-direction:column;}
    .cta-actions .btn{width:100%;}
    .article-foot{flex-direction:column;align-items:flex-start;}
    .btn{padding:0 20px;}
  }

/* roulang page: category1 */
:root{
    --brand:#E8562B;
    --brand-hover:#C8401C;
    --brand-soft:#FDEDE7;
    --deep:#123B33;
    --accent:#F2C744;
    --bg:#FAF8F5;
    --surface:#FFFFFF;
    --surface-alt:#F3EFE9;
    --ink:#1C1B19;
    --ink-2:#5C5852;
    --ink-3:#8A857D;
    --line:#E6E1D9;
    --line-strong:#D9D2C7;
    --r-card:14px;
    --r-img:12px;
    --r-btn:10px;
    --sh-1:0 1px 2px rgba(18,59,51,.06);
    --sh-2:0 10px 28px rgba(18,59,51,.10);
    --container:1200px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.8;
    font-variant-numeric:tabular-nums;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
  button,input,select,textarea{font:inherit;color:inherit}
  button{cursor:pointer}
  ul,ol{margin:0;padding:0;list-style:none}
  p{margin:0}
  h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

  .wrap{max-width:var(--container);margin:0 auto;padding:0 32px}
  .sec{padding:88px 0}
  .sec-alt{background:var(--surface-alt)}
  .sec-head{max-width:760px;margin-bottom:36px}
  .sec-title{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;color:var(--ink)}
  .sec-desc{margin-top:14px;font-size:16px;line-height:1.85;color:var(--ink-2)}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;color:var(--brand);
    background:var(--brand-soft);border-radius:999px;padding:5px 14px;margin-bottom:16px;
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}

  /* ---------- 头部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:var(--surface);
    border-bottom:1px solid var(--line);
    box-shadow:0 1px 2px rgba(18,59,51,.05);
  }
  .head-top{border-bottom:1px solid var(--line)}
  .head-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px}
  .brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
  .brand-mark{
    position:relative;width:38px;height:38px;border-radius:11px;
    background:var(--deep);flex:0 0 auto;overflow:hidden;
  }
  .brand-mark::before{
    content:"";position:absolute;inset:8px;border:2.5px solid var(--brand);
    border-radius:50%;border-top-color:transparent;transform:rotate(35deg);
  }
  .brand-mark::after{
    content:"";position:absolute;right:7px;bottom:8px;width:11px;height:2.5px;
    border-radius:2px;background:var(--accent);
  }
  .brand-text{display:block;line-height:1.2}
  .brand-name{display:block;font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.01em}
  .brand-sub{display:block;font-size:11px;color:var(--ink-3)}
  .head-tools{display:flex;align-items:center;gap:12px}
  .search-box{
    display:flex;align-items:center;gap:8px;width:250px;height:42px;
    padding:0 6px 0 12px;background:var(--surface);
    border:1px solid var(--line);border-radius:var(--r-btn);
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,86,43,.12)}
  .search-box svg{flex:0 0 auto;color:var(--ink-3)}
  .search-box input{
    flex:1 1 auto;min-width:0;border:0;background:transparent;
    font-size:14px;outline:none;height:100%;
  }
  .search-box input::placeholder{color:var(--ink-3)}
  .search-go{
    flex:0 0 auto;height:32px;padding:0 14px;border:0;border-radius:8px;
    background:var(--brand);color:#fff;font-size:13px;font-weight:600;
    transition:background .2s ease,transform .2s ease;
  }
  .search-go:hover{background:var(--brand-hover)}
  .search-go:active{transform:scale(.98)}
  .search-toggle{
    display:none;align-items:center;justify-content:center;
    width:42px;height:42px;border-radius:var(--r-btn);
    border:1px solid var(--line);background:var(--surface);color:var(--ink-2);
    transition:border-color .2s ease,color .2s ease;
  }
  .search-toggle:hover{border-color:var(--brand);color:var(--brand)}
  .mobile-search{display:none;padding:12px 0 14px;background:var(--surface);border-bottom:1px solid var(--line)}
  .mobile-search.open{display:block}
  .mobile-search .search-box{width:100%;max-width:none}
  .mobile-search-row{display:flex;align-items:center;gap:10px}
  .mobile-search-close{
    flex:0 0 auto;width:42px;height:42px;border-radius:var(--r-btn);
    border:1px solid var(--line);background:var(--surface);color:var(--ink-2);
  }

  .head-tabs{padding:0}
  .nav-tabs{
    display:flex;align-items:center;gap:8px;height:48px;
    overflow-x:auto;overflow-y:hidden;
    scrollbar-width:none;-ms-overflow-style:none;
    -webkit-overflow-scrolling:touch;
  }
  .nav-tabs::-webkit-scrollbar{display:none}
  .nav-tab{
    flex:0 0 auto;padding:8px 18px;border-radius:999px;
    font-size:14px;font-weight:500;color:var(--ink-2);
    background:var(--surface-alt);border:1px solid var(--line);
    transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
  }
  .nav-tab:hover{background:var(--surface);border-color:var(--brand);color:var(--brand)}
  .nav-tab.active{
    background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;
    box-shadow:0 6px 16px rgba(232,86,43,.24);
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 26px;border-radius:var(--r-btn);
    border:1px solid transparent;font-size:15px;font-weight:600;
    white-space:nowrap;cursor:pointer;
    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}
  .btn-primary:hover{background:var(--brand-hover);transform:translateY(-1px);box-shadow:0 8px 20px rgba(232,86,43,.28)}
  .btn-primary:active{transform:translateY(0) scale(.99)}
  .btn-outline{background:var(--surface);border-color:var(--line-strong);color:var(--ink)}
  .btn-outline:hover{background:rgba(232,86,43,.06);border-color:var(--brand);color:var(--brand)}
  .btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
  .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}
  .btn-sm{height:38px;padding:0 18px;font-size:14px}

  .link-more{
    display:inline-block;font-size:14px;font-weight:600;color:var(--brand);
    border-bottom:1px solid transparent;
  }
  .link-more:hover{border-bottom-color:var(--brand)}

  /* ---------- 面包屑 ---------- */
  .crumb-bar{background:var(--surface);border-bottom:1px solid var(--line)}
  .crumb{
    display:flex;align-items:center;gap:8px;flex-wrap:wrap;
    font-size:13px;color:var(--ink-3);padding:13px 0;
  }
  .crumb a{color:var(--ink-2)}
  .crumb a:hover{color:var(--brand)}
  .crumb .sep{color:var(--line-strong)}
  .crumb .current{color:var(--ink-3)}

  /* ---------- 分类首屏 ---------- */
  .cat-hero{
    position:relative;isolation:isolate;color:#fff;
    padding:88px 0 80px;
    background-image:url('/assets/images/backpic/back-1.webp');
    background-size:cover;background-position:center;
  }
  .cat-hero::before{content:"";position:absolute;inset:0;background:rgba(18,59,51,.78);z-index:-1}
  .cat-hero::after{
    content:"";position:absolute;right:-8%;top:-32%;width:520px;height:520px;border-radius:50%;
    background:radial-gradient(circle,rgba(232,86,43,.9),rgba(232,86,43,0) 70%);
    opacity:.1;pointer-events:none;z-index:-1;
  }
  .cat-hero-inner{max-width:760px;position:relative}
  .hero-eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
    color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
    border-radius:999px;padding:5px 14px;margin-bottom:18px;
  }
  .hero-title{
    font-size:clamp(30px,4.4vw,52px);line-height:1.18;font-weight:700;
    color:#fff;letter-spacing:.01em;
  }
  .hero-lead{margin-top:18px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.86);max-width:640px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
  .hero-facts{display:flex;flex-wrap:wrap;gap:0 20px;margin-top:30px}
  .hero-facts li{
    position:relative;font-size:13px;color:rgba(255,255,255,.8);padding-left:20px;
  }
  .hero-facts li::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:8px;height:2px;border-radius:2px;background:var(--accent);
  }

  /* ---------- 筛选 chips ---------- */
  .chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
  .chip{
    padding:9px 18px;border-radius:999px;font-size:14px;font-weight:500;
    color:var(--ink-2);background:var(--surface);border:1px solid var(--line);
    transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
  }
  .chip:hover{border-color:var(--brand);color:var(--brand)}
  .chip.active{
    background:var(--deep);border-color:var(--deep);color:#fff;
    box-shadow:0 6px 16px rgba(18,59,51,.18);
  }

  /* ---------- 场地卡片 ---------- */
  .grid-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
  .card{
    display:flex;flex-direction:column;background:var(--surface);
    border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
    box-shadow:var(--sh-1);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-strong)}
  .card-img{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:var(--surface-alt)}
  .card-img img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease}
  .card:hover .card-img img{transform:scale(1.02)}
  .card-flag{
    position:absolute;left:12px;bottom:12px;padding:4px 10px;border-radius:999px;
    font-size:12px;color:#fff;background:rgba(18,59,51,.6);border:1px solid rgba(255,255,255,.55);
  }
  .card-body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1 1 auto}
  .card-title{font-size:17px;line-height:1.45;font-weight:600;color:var(--ink)}
  .card-desc{
    font-size:14px;line-height:1.75;color:var(--ink-2);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .card-spec{display:flex;flex-wrap:wrap;gap:6px}
  .spec{
    font-size:12px;color:var(--ink-2);background:var(--surface-alt);
    border-radius:6px;padding:3px 9px;
  }
  .card-foot{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  }
  .card-price{font-size:15px;font-weight:700;color:var(--brand)}

  /* ---------- 数据条 ---------- */
  .stats{
    display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
    background:var(--deep);color:#fff;border-radius:var(--r-card);padding:34px 36px;
  }
  .stat-num{font-size:clamp(30px,3.4vw,38px);font-weight:700;line-height:1.1;letter-spacing:.01em}
  .stat-num span{font-size:15px;font-weight:500;color:var(--accent);margin-left:4px}
  .stat-label{margin-top:8px;font-size:13px;color:rgba(255,255,255,.72)}

  .rate-list{margin-top:28px;border-top:1px solid var(--line)}
  .rate-row{
    display:grid;grid-template-columns:200px 1fr;gap:24px;align-items:start;
    padding:18px 0;border-bottom:1px dashed var(--line-strong);
  }
  .rate-time{font-size:15px;font-weight:600;color:var(--ink)}
  .rate-time em{display:block;font-style:normal;font-size:13px;font-weight:400;color:var(--ink-3);margin-top:2px}
  .rate-text{font-size:15px;line-height:1.8;color:var(--ink-2)}

  /* ---------- 步骤 ---------- */
  .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
  .step{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
    padding:24px 22px;box-shadow:var(--sh-1);
    transition:transform .2s ease,box-shadow .2s ease;
  }
  .step:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
  .step-no{
    display:inline-flex;align-items:center;justify-content:center;
    width:40px;height:40px;border-radius:10px;background:var(--brand-soft);
    color:var(--brand);font-size:16px;font-weight:700;margin-bottom:16px;
  }
  .step h3{font-size:17px;font-weight:600;line-height:1.4;margin-bottom:8px}
  .step p{font-size:14px;line-height:1.75;color:var(--ink-2)}

  /* ---------- 图文分栏 ---------- */
  .split{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
  .split-media{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1)}
  .split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
  .split-body h2{margin-bottom:14px}
  .split-body p{font-size:15px;line-height:1.85;color:var(--ink-2)}
  .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
  .tag{
    font-size:13px;font-weight:500;color:var(--deep);
    background:var(--surface-alt);border:1px solid var(--line-strong);
    border-radius:999px;padding:6px 14px;
  }

  /* ---------- FAQ ---------- */
  .faq-list{max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
  .faq-item{
    background:var(--surface);border:1px solid var(--line);
    border-left:4px solid transparent;border-radius:14px;overflow:hidden;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item:hover{box-shadow:var(--sh-1)}
  .faq-item[open]{border-left-color:var(--brand)}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:14px;
    padding:18px 20px;font-size:16px;font-weight:600;color:var(--ink);
    cursor:pointer;list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item[open] summary{color:var(--brand)}
  .faq-arrow{flex:0 0 auto;color:var(--ink-3);transition:transform .2s ease,color .2s ease}
  .faq-item[open] .faq-arrow{transform:rotate(180deg);color:var(--brand)}
  .faq-body{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-2)}

  /* ---------- 底部 CTA ---------- */
  .cta-band{
    position:relative;isolation:isolate;overflow:hidden;border-radius:16px;color:#fff;
    padding:52px 48px;
    background-image:url('/assets/images/backpic/back-2.webp');
    background-size:cover;background-position:center;
  }
  .cta-band::before{content:"";position:absolute;inset:0;background:rgba(18,59,51,.88);z-index:-1}
  .cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px}
  .cta-title{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;color:#fff}
  .cta-text{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.8);max-width:560px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--deep);color:rgba(255,255,255,.76);margin-top:88px;padding:64px 0 0}
  .foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
  .foot-brand .brand-name{color:#fff}
  .foot-brand .brand-sub{color:rgba(255,255,255,.6)}
  .foot-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:360px}
  .foot-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
  .foot-col li{margin-bottom:2px}
  .foot-col a{display:inline-block;font-size:14px;line-height:2;color:rgba(255,255,255,.72)}
  .foot-col a:hover{color:var(--accent)}
  .foot-bottom{
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    padding:20px 0;border-top:1px solid rgba(255,255,255,.14);
    font-size:13px;color:rgba(255,255,255,.6);
  }
  .foot-bottom a{color:rgba(255,255,255,.78)}
  .foot-bottom a:hover{color:var(--accent)}

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .wrap{padding:0 24px}
    .grid-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
    .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
    .stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
    .split{grid-template-columns:1fr;gap:28px}
    .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  }
  @media (max-width:767px){
    .wrap{padding:0 20px}
    .head-inner{height:56px;gap:12px}
    .search-box{display:none}
    .search-toggle{display:inline-flex}
    .brand-name{font-size:16px}
    .sec{padding:52px 0}
    .sec-head{margin-bottom:26px}
    .cat-hero{padding:56px 0 52px}
    .hero-lead{font-size:16px}
    .hero-actions .btn{flex:1 1 auto}
    .rate-row{grid-template-columns:1fr;gap:6px}
    .cta-band{padding:36px 24px}
    .cta-inner{flex-direction:column;align-items:flex-start}
    .site-footer{margin-top:56px;padding-top:48px}
  }
  @media (max-width:639px){
    .grid-cards{grid-template-columns:1fr}
    .steps{grid-template-columns:1fr}
    .stats{grid-template-columns:1fr;padding:28px 24px}
    .foot-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
    .hero-facts{gap:10px 18px}
    .card-foot{flex-direction:row}
  }

/* roulang page: category2 */
:root{
    --brand:#E8562B;
    --brand-hover:#C8401C;
    --brand-soft:#FDEDE7;
    --deep:#123B33;
    --accent:#F2C744;
    --bg:#FAF8F5;
    --card:#FFFFFF;
    --section:#F3EFE9;
    --ink:#1C1B19;
    --ink-2:#5C5852;
    --ink-3:#8A857D;
    --line:#E6E1D9;
    --line-strong:#D9D2C7;
    --r-card:14px;
    --r-img:12px;
    --r-btn:10px;
    --sh-rest:0 1px 2px rgba(18,59,51,.06);
    --sh-hover:0 10px 28px rgba(18,59,51,.10);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:17px;
    line-height:1.8;
    font-variant-numeric:tabular-nums;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border:0;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;}
  input,select,textarea{font:inherit;color:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:2px solid #F2C744;outline-offset:2px;border-radius:4px;}

  .wrap{max-width:1200px;margin:0 auto;padding:0 32px;}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:0 1px 2px rgba(18,59,51,.06);
  }
  .header-main-inner{display:flex;align-items:center;gap:24px;height:64px;}
  .brand{display:flex;align-items:center;gap:10px;flex:none;}
  .brand-mark{
    width:28px;height:28px;border-radius:9px;background:var(--brand);position:relative;flex:none;
    box-shadow:0 2px 8px rgba(232,86,43,.34);
  }
  .brand-mark::after{
    content:"";position:absolute;inset:8px;border:2px solid #fff;border-radius:50%;
    border-right-color:transparent;border-bottom-color:transparent;transform:rotate(-35deg);
  }
  .brand-name{display:block;font-size:17px;font-weight:700;line-height:1.2;color:var(--ink);}
  .brand-sub{display:block;font-size:11px;letter-spacing:.14em;color:var(--ink-3);line-height:1.4;}

  .header-search{
    display:flex;align-items:center;gap:8px;flex:0 1 320px;
    height:42px;padding:0 6px 0 14px;
    background:var(--section);border:1px solid var(--line);border-radius:var(--r-btn);
    transition:border-color .18s,box-shadow .18s,background .18s;
  }
  .header-search i{color:var(--ink-3);font-size:14px;}
  .header-search input{flex:1;min-width:0;background:none;border:0;outline:none;font-size:14px;height:38px;}
  .header-search input::placeholder{color:var(--ink-3);}
  .header-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 2px var(--brand-soft);}
  .header-search button{
    height:32px;padding:0 16px;border-radius:8px;background:var(--deep);color:#fff;font-size:13px;
    transition:background .18s,transform .18s;
  }
  .header-search button:hover{background:var(--brand);}
  .header-search button:active{transform:scale(.98);}

  .header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
  .icon-btn{
    width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;
    border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;color:var(--ink-2);
    transition:all .18s;
  }
  .icon-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
  .search-toggle{display:none;}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 26px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;white-space:nowrap;
    transition:background .2s,color .2s,box-shadow .2s,transform .2s,border-color .2s;
  }
  .btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(232,86,43,.22);}
  .btn-primary:hover{background:var(--brand-hover);transform:translateY(-1px);box-shadow:0 12px 24px rgba(232,86,43,.28);}
  .btn-primary:active{transform:translateY(0) scale(.99);}
  .btn-ghost{background:transparent;border:1px solid var(--line-strong);color:var(--ink);}
  .btn-ghost:hover{background:rgba(232,86,43,.06);border-color:var(--brand);color:var(--brand);}
  .btn-ghost:active{transform:scale(.99);}
  .btn-on-dark{background:#fff;color:var(--deep);}
  .btn-on-dark:hover{background:var(--accent);color:var(--deep);transform:translateY(-1px);}
  .btn-sm{height:40px;padding:0 20px;font-size:14px;}

  .header-tabs{background:#fff;}
  .tabs-inner{display:flex;align-items:center;height:48px;}
  .nav-tabs{
    display:flex;align-items:center;gap:8px;
    overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;
    padding:6px 0;width:100%;
  }
  .nav-tabs::-webkit-scrollbar{display:none;}
  .nav-tab{
    padding:6px 18px;border-radius:999px;font-size:14px;font-weight:500;
    color:var(--ink-2);background:var(--bg);border:1px solid var(--line);
    white-space:nowrap;transition:all .18s;
  }
  .nav-tab:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
  .nav-tab.active{background:var(--brand);border-color:var(--brand);color:#fff;}
  .nav-tab.active:hover{background:var(--brand-hover);border-color:var(--brand-hover);color:#fff;}

  .mobile-search{display:none;background:#fff;border-bottom:1px solid var(--line);padding:12px 0;}
  .mobile-search.open{display:block;}
  .mobile-search-inner{display:flex;gap:10px;}
  .mobile-search-inner input{
    flex:1;height:44px;padding:0 14px;border-radius:var(--r-btn);
    border:1px solid var(--line);background:#fff;outline:none;
  }
  .mobile-search-inner input:focus{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-soft);}

  /* ---------- 页面横幅 ---------- */
  .page-hero{position:relative;overflow:hidden;background:var(--deep);color:#fff;}
  .page-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.38;}
  .page-hero::after{content:"";position:absolute;inset:0;background:rgba(18,59,51,.72);}
  .page-hero::before{
    content:"";position:absolute;top:-120px;right:-80px;width:420px;height:420px;border-radius:50%;
    background:radial-gradient(circle,rgba(232,86,43,.22),rgba(232,86,43,0) 68%);
    z-index:1;
  }
  .page-hero-inner{position:relative;z-index:2;padding:52px 32px 68px;}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);}
  .breadcrumb a{color:rgba(255,255,255,.82);transition:color .18s;}
  .breadcrumb a:hover{color:var(--accent);text-decoration:underline;}
  .breadcrumb .sep{color:rgba(255,255,255,.42);}
  .breadcrumb .current{color:rgba(255,255,255,.6);}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;margin-top:26px;
    padding:5px 14px;border-radius:999px;font-size:13px;font-weight:600;
    color:var(--accent);background:rgba(242,199,68,.16);
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}
  .page-hero h1{
    margin-top:18px;max-width:900px;
    font-size:clamp(28px,4vw,44px);line-height:1.22;font-weight:700;letter-spacing:0;
  }
  .page-hero .lead{
    margin-top:18px;max-width:720px;
    font-size:16px;line-height:1.85;color:rgba(255,255,255,.86);
  }
  .hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;font-size:13px;color:rgba(255,255,255,.72);}
  .hero-meta span{display:inline-flex;align-items:center;gap:8px;}
  .hero-meta i{color:var(--accent);font-size:13px;}

  /* ---------- 通用板块 ---------- */
  .section{padding:88px 0;}
  .section-alt{background:var(--section);}
  .section-head{max-width:760px;}
  .section-head .kicker{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
    color:var(--brand);letter-spacing:.04em;
  }
  .section-head .kicker::before{content:"";width:18px;height:2px;background:var(--brand);border-radius:2px;}
  .section-head h2{
    margin-top:12px;font-size:clamp(24px,3vw,34px);line-height:1.32;font-weight:700;
  }
  .section-head p{margin-top:14px;font-size:16px;line-height:1.85;color:var(--ink-2);max-width:720px;}

  /* ---------- 交替图文 ---------- */
  .split-list{margin-top:16px;}
  .split-row{
    display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
    padding:56px 0;
  }
  .split-row + .split-row{border-top:1px dashed var(--line-strong);}
  .split-row.reverse .split-media{order:2;}
  .split-media{
    border-radius:var(--r-card);overflow:hidden;background:var(--section);
    box-shadow:var(--sh-rest);border:1px solid var(--line);
  }
  .split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease;}
  .split-row:hover .split-media img{transform:scale(1.02);}
  .split-body .num{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:12px;
    background:var(--accent);color:var(--deep);font-weight:700;font-size:16px;
  }
  .split-body h3{margin-top:18px;font-size:22px;line-height:1.4;font-weight:700;}
  .split-body p{margin-top:12px;font-size:16px;line-height:1.85;color:var(--ink-2);max-width:520px;}
  .tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
  .tag{
    padding:5px 13px;border-radius:999px;font-size:13px;font-weight:500;
    color:var(--brand-hover);background:var(--brand-soft);border:1px solid rgba(232,86,43,.16);
  }

  /* ---------- 数据条 ---------- */
  .stats-band{
    background:var(--deep);color:#fff;border-radius:20px;
    padding:48px 44px;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;
  }
  .stat-num{
    font-size:38px;font-weight:700;line-height:1.1;color:var(--accent);
    font-variant-numeric:tabular-nums;
  }
  .stat-num small{font-size:16px;font-weight:600;margin-left:4px;color:rgba(242,199,68,.86);}
  .stat-label{margin-top:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.76);}

  /* ---------- 横向滚动卡片 ---------- */
  .scroller{
    display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
    padding:6px 4px 22px;margin:0 -4px;scrollbar-width:none;-webkit-overflow-scrolling:touch;
  }
  .scroller::-webkit-scrollbar{display:none;}
  .scroll-card{
    flex:0 0 276px;scroll-snap-align:start;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    overflow:hidden;box-shadow:var(--sh-rest);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .scroll-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--line-strong);}
  .scroll-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
  .scroll-card-body{padding:18px 20px 22px;}
  .scroll-card-body h3{font-size:16px;font-weight:700;line-height:1.5;}
  .scroll-card-body p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--ink-2);}

  /* ---------- FAQ ---------- */
  .faq-list{max-width:840px;margin:36px auto 0;display:flex;flex-direction:column;gap:12px;}
  .faq-item{
    position:relative;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-card);overflow:hidden;
    transition:border-color .2s,box-shadow .2s;
  }
  .faq-item:hover{border-color:var(--line-strong);}
  .faq-item.open{border-color:var(--brand);box-shadow:var(--sh-hover);}
  .faq-item.open::before{
    content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;
    background:var(--brand);border-radius:0 4px 4px 0;
  }
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
    transition:color .2s;
  }
  .faq-item.open .faq-q{color:var(--brand);}
  .faq-q i{flex:none;font-size:13px;color:var(--ink-3);transition:transform .25s,color .25s;}
  .faq-item.open .faq-q i{transform:rotate(180deg);color:var(--brand);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
  .faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-2);}

  /* ---------- CTA ---------- */
  .cta-band{
    background:var(--deep);color:#fff;border-radius:20px;
    padding:48px 44px;display:flex;align-items:center;justify-content:space-between;
    gap:32px;flex-wrap:wrap;
  }
  .cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;max-width:560px;}
  .cta-band p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.78);max-width:560px;}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--deep);color:rgba(255,255,255,.78);margin-top:96px;padding:64px 0 0;}
  .foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:44px;}
  .foot-brand .brand{margin-bottom:16px;}
  .site-footer .brand-name{color:#fff;}
  .site-footer .brand-sub{color:rgba(255,255,255,.55);}
  .site-footer .brand-mark{box-shadow:none;}
  .foot-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:360px;}
  .foot-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
  .foot-col ul{display:flex;flex-direction:column;gap:10px;}
  .foot-col a{font-size:14px;color:rgba(255,255,255,.7);transition:color .18s;}
  .foot-col a:hover{color:var(--accent);}
  .foot-bottom{
    border-top:1px solid rgba(255,255,255,.12);
    padding:20px 0 28px;display:flex;justify-content:space-between;
    gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);
  }
  .foot-bottom a{color:rgba(255,255,255,.72);}
  .foot-bottom a:hover{color:var(--accent);text-decoration:underline;}

  /* ---------- 移动端固定条 ---------- */
  .mobile-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:50;
    display:none;gap:10px;align-items:center;
    padding:8px 16px calc(8px + env(safe-area-inset-bottom));
    background:#fff;border-top:1px solid var(--line);
    box-shadow:0 -6px 20px rgba(18,59,51,.08);
  }
  .mobile-bar .btn{flex:1;height:48px;padding:0 12px;font-size:15px;}

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .header-search{display:none;}
    .search-toggle{display:inline-flex;}
    .split-row{gap:36px;}
  }
  @media (max-width:768px){
    .wrap{padding:0 20px;}
    .page-hero-inner{padding:36px 20px 52px;}
    .section{padding:56px 0;}
    .split-row{grid-template-columns:1fr;gap:24px;padding:40px 0;}
    .split-row.reverse .split-media{order:0;}
    .split-body p{max-width:none;}
    .stats-band{grid-template-columns:1fr 1fr;padding:32px 24px;gap:24px;border-radius:16px;}
    .stat-num{font-size:30px;}
    .cta-band{padding:32px 24px;border-radius:16px;}
    .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
    .site-footer{margin-top:64px;padding-top:48px;}
  }
  @media (max-width:639px){
    body{padding-bottom:calc(72px + env(safe-area-inset-bottom));}
    .mobile-bar{display:flex;}
    .header-main-inner{height:56px;gap:14px;}
    .header-actions .btn-sm{display:none;}
    .brand-name{font-size:16px;}
    .tabs-inner{height:48px;}
    .stats-band{grid-template-columns:1fr 1fr;}
    .foot-grid{grid-template-columns:1fr;}
    .foot-bottom{flex-direction:column;align-items:flex-start;}
    .scroll-card{flex:0 0 240px;}
  }

/* roulang page: category3 */
:root{
    --brand:#E8562B;
    --brand-dark:#C8401C;
    --brand-light:#FDEDE7;
    --deep:#123B33;
    --deep-2:#0D2C26;
    --accent:#F2C744;
    --bg:#FAF8F5;
    --card:#FFFFFF;
    --soft:#F3EFE9;
    --ink:#1C1B19;
    --ink-2:#5C5852;
    --ink-3:#8A857D;
    --line:#E6E1D9;
    --line-2:#D9D2C7;
    --r-card:14px;
    --r-img:12px;
    --r-btn:10px;
    --sh-1:0 1px 2px rgba(18,59,51,.06);
    --sh-2:0 10px 28px rgba(18,59,51,.10);
    --wrap:1200px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.8;
    font-variant-numeric:tabular-nums;
    -webkit-font-smoothing:antialiased;
  }
  body img{max-width:100%;display:block;object-fit:cover}
  body a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
  body button,body input,body select,body textarea{font:inherit;color:inherit}
  body ul,body ol{list-style:none;margin:0;padding:0}
  body h1,body h2,body h3,body h4{margin:0;font-weight:700;letter-spacing:0}
  body h1{font-size:clamp(30px,4.4vw,52px);line-height:1.18}
  body h2{font-size:clamp(24px,3vw,34px);line-height:1.3}
  body h3{font-size:20px;line-height:1.4}
  body p{margin:0 0 1.1em}
  body p:last-child{margin-bottom:0}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

  .wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px}
  @media (max-width:640px){.wrap{padding:0 20px}}

  /* ---------- Header ---------- */
  .site-header{
    position:sticky;top:0;z-index:40;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:0 1px 2px rgba(18,59,51,.04);
  }
  .head-top{display:flex;align-items:center;gap:16px;height:64px}
  .brand{display:flex;align-items:center;gap:10px;min-width:0}
  .brand-mark{
    width:34px;height:34px;border-radius:10px;background:var(--brand);
    position:relative;flex:0 0 auto;
  }
  .brand-mark::after{
    content:"";position:absolute;inset:9px;border:2px solid #fff;border-radius:50%;
    border-right-color:transparent;border-bottom-color:transparent;transform:rotate(-45deg);
  }
  .brand-name{display:block;font-size:17px;font-weight:700;line-height:1.2;color:var(--ink);white-space:nowrap}
  .brand-sub{display:block;font-size:11px;line-height:1.3;color:var(--ink-3);letter-spacing:.02em;white-space:nowrap}
  .head-spacer{flex:1 1 auto}
  .search-box{position:relative;display:none}
  .search-box input{
    width:240px;height:40px;padding:0 14px 0 38px;border:1px solid var(--line);
    border-radius:var(--r-btn);background:#fff;font-size:14px;color:var(--ink);
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .search-box input::placeholder{color:var(--ink-3)}
  .search-box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,86,43,.12)}
  .search-box .s-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--ink-3);display:flex}
  .icon-btn{
    display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;
    border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;color:var(--ink-2);
    cursor:pointer;transition:all .2s ease;
  }
  .icon-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-light)}
  @media (min-width:1024px){
    .search-box{display:block}
    .search-toggle{display:none}
  }

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
    font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
    transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .btn-primary{background:var(--brand);color:#fff}
  .btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 8px 20px rgba(232,86,43,.28)}
  .btn-primary:active{transform:translateY(0) scale(.99);box-shadow:none}
  .btn-ghost{background:transparent;border-color:var(--line-2);color:var(--ink)}
  .btn-ghost:hover{background:rgba(232,86,43,.06);border-color:var(--brand);color:var(--brand)}
  .btn-ghost:active{transform:scale(.99)}
  .btn-light{background:#fff;color:var(--deep)}
  .btn-light:hover{background:#F3EFE9;transform:translateY(-1px)}
  .btn-light:active{transform:translateY(0) scale(.99)}
  .btn-outline-light{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
  .btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
  .btn-sm{height:40px;padding:0 18px;font-size:14px}
  .btn-xs{height:36px;padding:0 16px;font-size:13px;border-radius:9px}

  .nav-bar{height:48px;display:flex;align-items:center;border-top:1px solid var(--line)}
  .nav-tabs{
    display:flex;gap:8px;width:100%;padding:6px 0;
    overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
    -webkit-overflow-scrolling:touch;
  }
  .nav-tabs::-webkit-scrollbar{display:none}
  .nav-tab{
    flex:0 0 auto;padding:7px 18px;border-radius:999px;border:1px solid var(--line);
    background:#fff;color:var(--ink-2);font-size:14px;font-weight:500;line-height:1.4;
  }
  .nav-tab:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-light)}
  .nav-tab.active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(232,86,43,.22)}
  .nav-tab.active:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff}

  .mobile-search{border-top:1px solid var(--line);background:#fff;padding:10px 0 14px}
  .mobile-search-row{display:flex;gap:8px}
  .mobile-search input{
    flex:1 1 auto;height:44px;padding:0 14px;border:1px solid var(--line);
    border-radius:var(--r-btn);background:#fff;font-size:14px;
  }
  .mobile-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,86,43,.12)}

  /* ---------- Breadcrumb ---------- */
  .crumb{font-size:13px;color:var(--ink-3);padding:20px 0 0;display:flex;flex-wrap:wrap;align-items:center;gap:6px}
  .crumb a{color:var(--ink-3)}
  .crumb a:hover{color:var(--brand)}
  .crumb .sep{color:var(--line-2)}
  .crumb .cur{color:var(--ink-2);font-weight:500}

  /* ---------- Hero ---------- */
  .page-hero{position:relative;background:var(--deep);color:#fff;overflow:hidden;margin-top:20px}
  .page-hero-bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-2.webp');
    background-size:cover;background-position:center;
    opacity:.42;
  }
  .page-hero-glow{
    position:absolute;right:-120px;top:-140px;width:560px;height:560px;border-radius:50%;
    background:radial-gradient(circle,rgba(232,86,43,.08) 0%,rgba(232,86,43,0) 70%);
    pointer-events:none;
  }
  .page-hero-inner{position:relative;padding:56px 0 60px;max-width:760px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:999px;
    background:rgba(242,199,68,.16);border:1px solid rgba(242,199,68,.45);
    color:var(--accent);font-size:13px;font-weight:600;margin-bottom:18px;
  }
  .page-hero h1{color:#fff;margin-bottom:18px}
  .page-hero .lede{
    max-width:720px;font-size:16px;line-height:1.9;color:rgba(255,255,255,.82);margin-bottom:26px;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
  .hero-facts{display:flex;flex-wrap:wrap;gap:20px;font-size:13px;color:rgba(255,255,255,.72)}
  .hero-facts span{display:flex;align-items:center;gap:8px}
  .hero-facts span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
  .hero-facts span + span{border-left:1px solid rgba(255,255,255,.2);padding-left:20px}
  @media (max-width:640px){
    .page-hero-inner{padding:40px 0 44px}
    .hero-facts span + span{border-left:none;padding-left:0}
    .hero-facts{gap:12px}
  }

  /* ---------- Section basics ---------- */
  .section{padding:84px 0}
  .section-tight{padding:64px 0}
  .section-soft{background:var(--soft)}
  .sec-head{margin-bottom:40px;max-width:760px}
  .sec-head .tag{
    display:inline-block;font-size:12px;font-weight:600;color:var(--brand);
    background:var(--brand-light);border-radius:999px;padding:4px 12px;margin-bottom:14px;
  }
  .sec-head h2{margin-bottom:14px}
  .sec-head p{color:var(--ink-2);font-size:16px;margin:0}
  @media (max-width:768px){.section{padding:56px 0}.section-tight{padding:48px 0}.sec-head{margin-bottom:28px}}

  /* ---------- Stats band ---------- */
  .stats-band{background:var(--deep);color:#fff;padding:56px 0}
  .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
  .stat{border-left:1px solid rgba(255,255,255,.16);padding-left:24px}
  .stat:first-child{border-left:none;padding-left:0}
  .stat .num{font-size:clamp(28px,3.4vw,40px);font-weight:700;line-height:1.1;color:var(--accent);font-variant-numeric:tabular-nums}
  .stat .num small{font-size:15px;font-weight:600;margin-left:4px;color:rgba(255,255,255,.85)}
  .stat .lab{margin-top:8px;font-size:14px;color:rgba(255,255,255,.72)}
  @media (max-width:768px){
    .stats-grid{grid-template-columns:repeat(2,1fr);gap:24px 20px}
    .stat{border-left:none;padding-left:0}
  }

  /* ---------- Timeline ---------- */
  .timeline{max-width:900px}
  .tl-item{position:relative;display:grid;grid-template-columns:44px 1fr;gap:22px;padding-bottom:26px}
  .tl-item::before{
    content:"";position:absolute;left:21px;top:52px;bottom:0;width:2px;
    background:var(--line-2);
  }
  .tl-item:last-child{padding-bottom:0}
  .tl-item:last-child::before{display:none}
  .tl-dot{
    width:44px;height:44px;border-radius:50%;background:#fff;border:2px solid var(--brand);
    display:flex;align-items:center;justify-content:center;
    font-size:14px;font-weight:700;color:var(--brand);position:relative;z-index:1;
  }
  .tl-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:24px 26px;box-shadow:var(--sh-1);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-2)}
  .tl-card h3{margin-bottom:10px}
  .tl-card p{color:var(--ink-2);font-size:15px;line-height:1.85;margin-bottom:14px}
  .tl-meta{display:flex;flex-wrap:wrap;gap:8px}
  .tl-meta li{
    font-size:12px;color:var(--ink-2);background:var(--soft);
    border-radius:999px;padding:4px 12px;
  }
  @media (max-width:640px){
    .tl-item{grid-template-columns:34px 1fr;gap:14px;padding-bottom:20px}
    .tl-dot{width:34px;height:34px;font-size:12px;border-width:2px}
    .tl-item::before{left:16px;top:40px}
    .tl-card{padding:20px 18px}
  }

  /* ---------- Split (image + text) ---------- */
  .split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
  .split-media{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1)}
  .split-media img{width:100%;height:100%;aspect-ratio:4/3;transition:transform .2s ease}
  .split-media:hover img{transform:scale(1.02)}
  .split-media .float-tag{
    position:absolute;left:16px;bottom:16px;display:inline-flex;align-items:center;gap:6px;
    background:rgba(255,255,255,.94);color:var(--deep);font-size:12px;font-weight:600;
    padding:6px 12px;border-radius:999px;
  }
  .prog-list{display:grid;gap:18px;margin-top:22px}
  .prog-item{display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:start}
  .prog-idx{
    width:44px;height:32px;border-radius:8px;background:var(--brand-light);color:var(--brand);
    display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
  }
  .prog-item h3{font-size:17px;margin-bottom:6px}
  .prog-item p{font-size:15px;color:var(--ink-2);line-height:1.8;margin:0}
  .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
  .tag{
    display:inline-block;font-size:12px;font-weight:500;color:var(--ink-2);
    background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 12px;
  }
  @media (max-width:900px){
    .split{grid-template-columns:1fr;gap:28px}
  }

  /* ---------- Notice list ---------- */
  .notice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
  .notice{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:24px;box-shadow:var(--sh-1);border-top:3px solid var(--accent);
    transition:transform .2s ease,box-shadow .2s ease;
  }
  .notice:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
  .notice h3{font-size:17px;margin-bottom:8px;display:flex;align-items:center;gap:8px}
  .notice h3 .dot{width:8px;height:8px;border-radius:2px;background:var(--brand);flex:0 0 auto}
  .notice p{font-size:15px;color:var(--ink-2);line-height:1.85;margin:0}
  @media (max-width:768px){.notice-grid{grid-template-columns:1fr}}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:840px}
  .faq-item{
    background:var(--card);border:1px solid var(--line);border-left:4px solid transparent;
    border-radius:var(--r-card);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item + .faq-item{margin-top:12px}
  .faq-item[open]{border-color:var(--line-2);border-left-color:var(--brand);box-shadow:var(--sh-2)}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;
    gap:16px;padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);
    transition:color .2s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:hover{color:var(--brand)}
  .faq-item[open] summary{color:var(--brand)}
  .faq-item .chev{flex:0 0 auto;margin-top:3px;color:var(--ink-3);transition:transform .25s ease,color .25s ease}
  .faq-item[open] .chev{transform:rotate(180deg);color:var(--brand)}
  .faq-body{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--ink-2)}

  /* ---------- CTA ---------- */
  .cta-band{background:var(--deep);color:#fff;padding:72px 0;position:relative;overflow:hidden}
  .cta-band::after{
    content:"";position:absolute;right:-80px;bottom:-120px;width:420px;height:420px;border-radius:50%;
    background:radial-gradient(circle,rgba(232,86,43,.08) 0%,rgba(232,86,43,0) 70%);
  }
  .cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
  .cta-inner h2{color:#fff;margin-bottom:12px}
  .cta-inner p{color:rgba(255,255,255,.78);font-size:16px;margin:0;max-width:620px}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap}

  /* ---------- Footer ---------- */
  .site-footer{background:var(--deep);color:rgba(255,255,255,.76);padding:64px 0 0;margin-top:0}
  .foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
  .foot-brand .brand-name{color:#fff}
  .foot-brand .brand-sub{color:rgba(255,255,255,.55)}
  .foot-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.7);margin-top:18px;max-width:360px}
  .foot-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
  .foot-col ul{display:grid;gap:10px}
  .foot-col a{font-size:14px;color:rgba(255,255,255,.72)}
  .foot-col a:hover{color:var(--accent)}
  .foot-bottom{
    margin-top:52px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 24px;
    display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
    font-size:13px;color:rgba(255,255,255,.58);
  }
  .foot-bottom a:hover{color:#fff}
  @media (max-width:900px){.foot-grid{grid-template-columns:1fr 1fr;gap:32px 24px}}
  @media (max-width:560px){.foot-grid{grid-template-columns:1fr}}

  /* ---------- Mobile sticky bar ---------- */
  .mobile-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:50;display:none;
    gap:10px;padding:9px 16px calc(9px + env(safe-area-inset-bottom));
    background:rgba(255,255,255,.97);border-top:1px solid var(--line);
    box-shadow:0 -6px 18px rgba(18,59,51,.08);
  }
  .mobile-bar .btn{flex:1 1 0;height:46px}
  @media (max-width:767px){
    .mobile-bar{display:flex}
    body{padding-bottom:80px}
  }