/* roulang page: index */
:root{
  --brand:#0F3A2C;
  --brand-deep:#08211A;
  --accent:#C9F24D;
  --accent-deep:#9CC22F;
  --warm:#F4622A;
  --surface:#F6F4EE;
  --surface-alt:#FFFFFF;
  --ink:#141814;
  --ink-soft:#5C665F;
  --line:#E4E1D7;
  --radius-card:6px;
  --radius-pill:999px;
  --shadow-card:0 2px 0 rgba(20,24,20,.06), 0 1px 2px rgba(20,24,20,.05);
  --shadow-hover:0 10px 24px -12px rgba(15,58,44,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec-space:92px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--surface);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
h1{font-size:clamp(30px,5vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.5px}
h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.3px}
h3{font-size:20px;line-height:1.4;font-weight:600}
.num,time,.stat-value{font-variant-numeric:tabular-nums}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--warm);display:block}
.sec{padding:var(--sec-space) 0}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px}
.sec-head p{color:var(--ink-soft);font-size:15px;max-width:620px;margin-top:10px}
.sec-dark{background:var(--brand);color:#fff}
.sec-dark .eyebrow{color:var(--accent)}
.sec-alt{background:#EFEDE4}
.muted{color:var(--ink-soft)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;cursor:pointer;border:1.5px solid transparent;
  transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
  will-change:transform;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-card)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(0);box-shadow:0 1px 2px rgba(15,58,44,.25)}
.btn-warm{background:var(--warm);color:#fff;box-shadow:var(--shadow-card)}
.btn-warm:hover{background:#D9501C;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(15,58,44,.08);transform:translateY(-2px)}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}
.btn-block{width:100%}

/* 标签 / 徽章 */
.badge{
  display:inline-flex;align-items:center;
  padding:2px 8px;border-radius:3px;
  font-size:12px;font-weight:600;line-height:1.7;
  background:rgba(15,58,44,.08);color:var(--brand);
}
.badge-warm{background:rgba(244,98,42,.12);color:#C8420F}
.badge-accent{background:var(--accent);color:var(--brand-deep)}
.tagline{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;color:var(--brand);
  background:rgba(15,58,44,.07);border:1px solid rgba(15,58,44,.10);
}

/* 头部 */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface-alt);border-bottom:1px solid var(--line);transition:box-shadow .25s var(--ease)}
.site-header.is-stuck{box-shadow:0 8px 22px -18px rgba(15,58,44,.5)}
.brandbar{height:70px;display:flex;align-items:center}
.brandbar-inner{display:flex;align-items:center;gap:24px;width:100%}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:9px;flex-shrink:0;
  background:var(--brand);position:relative;overflow:hidden;
}
.logo-mark::before{content:"";position:absolute;inset:0;background:
  linear-gradient(135deg,var(--accent) 0 42%,transparent 42%),
  linear-gradient(315deg,rgba(255,255,255,.22) 0 38%,transparent 38%);}
.logo-mark::after{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:var(--warm);right:6px;bottom:6px}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.2px;color:var(--brand-deep);white-space:nowrap}
.brandbar-note{
  flex:1;display:flex;align-items:center;gap:14px;min-height:24px;
  padding-left:22px;border-left:1px solid var(--line);
  font-size:13px;color:var(--ink-soft);
}
.brandbar-note .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-deep);display:inline-block;margin-right:6px}
.brandbar-tools{display:flex;align-items:center;gap:12px;flex-shrink:0}
.search-wrap{position:relative;display:flex;align-items:center}
.search-toggle{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:transparent;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;color:var(--brand);
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.search-toggle:hover{background:rgba(15,58,44,.07);border-color:var(--brand)}
.search-field{
  width:0;opacity:0;pointer-events:none;
  transition:width .28s var(--ease),opacity .2s var(--ease);
  border:1px solid var(--line);border-radius:var(--radius-pill);
  height:42px;padding:0;background:#fff;color:var(--ink);
}
.search-wrap.open .search-field{width:210px;opacity:1;pointer-events:auto;padding:0 18px;margin-right:10px}
.search-field:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(201,242,77,.45)}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:transparent;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px}

.channelbar{border-top:1px solid var(--line);background:var(--surface-alt)}
.channel-inner{display:flex;align-items:center;gap:30px;height:54px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.chip{
  position:relative;display:inline-flex;align-items:center;height:34px;padding:0 4px;
  font-size:15px;font-weight:600;color:var(--ink-soft);white-space:nowrap;
  transition:color .2s var(--ease);
}
.chip::after{
  content:"";position:absolute;left:0;right:0;bottom:-11px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .25s var(--ease);
}
.chip:hover{color:var(--brand)}
.chip:hover::after{transform:scaleX(1)}
.chip.active{color:var(--brand)}
.chip.active::after{transform:scaleX(1)}
.chip-arrow::before{content:"›";margin-right:2px;font-weight:700}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,33,26,.45);opacity:0;pointer-events:none;
  transition:opacity .25s var(--ease);z-index:70;
}
.drawer-mask.show{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,340px);background:#fff;z-index:80;
  transform:translateX(102%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;padding:22px 22px 24px;
}
.drawer.show{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:transparent;cursor:pointer;font-size:18px;color:var(--brand)}
.drawer-group{margin-bottom:22px}
.drawer-group h4{font-size:12px;letter-spacing:.14em;color:var(--ink-soft);font-weight:700;margin-bottom:10px}
.drawer-link{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);font-weight:600;font-size:15px}
.drawer-link.active{color:var(--brand)}
.drawer-link.active::after{content:"当前";font-size:12px;color:var(--warm);font-weight:600}
.drawer-foot{margin-top:auto;padding-top:18px}

/* Hero */
.hero{
  position:relative;background:var(--brand-deep);color:#fff;overflow:hidden;
  padding:64px 0 0;
}
.hero::before{
  content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;opacity:.22;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:44%;
  background:linear-gradient(180deg,rgba(8,33,26,0) 0%,rgba(8,33,26,.95) 78%);
}
.hero-inner{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(201,242,77,.16);border:1px solid rgba(201,242,77,.4);
  color:var(--accent);font-size:13px;font-weight:600;margin-bottom:22px;
}
.hero h1{color:#fff;margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-sub{font-size:17px;line-height:1.85;color:rgba(255,255,255,.82);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-media{
  border-radius:var(--radius-card);overflow:hidden;border:1px solid rgba(255,255,255,.14);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.7);
}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.statbar{
  position:relative;z-index:2;
  margin-top:56px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-card);
  display:grid;grid-template-columns:repeat(4,1fr);
}
.stat-item{padding:22px 24px;border-right:1px solid rgba(255,255,255,.12)}
.stat-item:last-child{border-right:0}
.stat-value{font-size:26px;font-weight:800;color:var(--accent);display:block;letter-spacing:-.5px}
.stat-label{font-size:13px;color:rgba(255,255,255,.7);margin-top:4px;display:block}
.hero-bottom-pad{height:64px}

/* 主张段 */
.points{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:8px}
.point{background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px 24px;transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.point:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.point-icon{
  width:42px;height:42px;border-radius:10px;background:rgba(15,58,44,.08);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;margin-bottom:16px;
}
.point h3{margin-bottom:8px}
.point p{font-size:15px;color:var(--ink-soft)}

/* 理念 / 深色段 */
.idea-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:56px;align-items:center}
.idea-lead{font-size:17px;color:rgba(255,255,255,.82);margin:16px 0 28px;max-width:540px}
.timeline{border-left:1px solid rgba(255,255,255,.2);padding-left:22px;display:grid;gap:22px}
.timeline li{position:relative}
.timeline li::before{
  content:"";position:absolute;left:-27px;top:8px;width:9px;height:9px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 4px rgba(201,242,77,.18);
}
.timeline strong{display:block;font-size:16px;font-weight:700;color:#fff}
.timeline span{font-size:14px;color:rgba(255,255,255,.68)}
.idea-media{border-radius:var(--radius-card);overflow:hidden;border:1px solid rgba(255,255,255,.14)}
.idea-media img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* 精选卡片 */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.card{
  background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(15,58,44,.22)}
.card-cover{overflow:hidden;aspect-ratio:16/10;background:rgba(15,58,44,.08)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .25s var(--ease)}
.card:hover .card-cover img{transform:scale(1.04)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-soft)}
.card h3{font-size:18px;transition:color .2s var(--ease)}
.card:hover h3{color:var(--brand)}
.card p{font-size:14px;color:var(--ink-soft);line-height:1.75}
.card-foot{margin-top:auto;font-size:13px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.card-foot::after{content:"→";transition:transform .25s var(--ease)}
.card:hover .card-foot::after{transform:translateX(4px)}

/* 最新信息列表 */
.news-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:40px;align-items:start}
.filter-panel{position:sticky;top:150px;background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px}
.filter-panel h4{font-size:13px;letter-spacing:.1em;color:var(--ink-soft);font-weight:700;margin-bottom:14px}
.filter-item{display:block;padding:9px 12px;border-radius:var(--radius-card);font-size:14px;font-weight:600;color:var(--ink-soft);transition:background .2s var(--ease),color .2s var(--ease)}
.filter-item:hover{background:rgba(15,58,44,.06);color:var(--brand)}
.filter-item.active{background:var(--brand);color:#fff}
.news-list{display:flex;flex-direction:column}
.news-item{
  display:block;padding:22px 4px;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease),padding .2s var(--ease);
}
.news-item:first-child{border-top:1px solid var(--line)}
.news-item:hover{background:rgba(255,255,255,.7);padding-left:14px;padding-right:14px}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-soft);margin-bottom:8px}
.news-title{font-size:19px;font-weight:700;line-height:1.45;transition:color .2s var(--ease)}
.news-item:hover .news-title{color:var(--brand)}
.news-sum{font-size:14.5px;color:var(--ink-soft);margin-top:6px;max-width:820px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-more{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--warm);margin-top:10px}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-card);background:var(--surface-alt);
  padding:52px 24px;text-align:center;color:var(--ink-soft);
}
.empty-icon{
  width:52px;height:52px;margin:0 auto 14px;border-radius:14px;
  background:rgba(15,58,44,.07);display:flex;align-items:center;justify-content:center;
  font-size:22px;color:var(--brand);font-weight:800;
}

/* 信任 */
.trust-top{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:40px}
.trust-stat{background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 22px}
.trust-stat .stat-value{color:var(--brand)}
.trust-stat .stat-label{color:var(--ink-soft)}
.cert-row{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.cert{
  display:flex;align-items:center;gap:10px;padding:12px 18px;border:1px solid var(--line);
  border-radius:var(--radius-card);background:var(--surface-alt);font-size:14px;font-weight:600;color:var(--ink-soft);
}
.cert b{color:var(--brand)}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote{background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px}
.quote p{font-size:15px;line-height:1.85}
.quote-foot{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.avatar{
  width:40px;height:40px;border-radius:10px;background:var(--brand);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
}
.quote-foot span{font-size:13px;color:var(--ink-soft);display:block}
.quote-foot strong{font-size:14px;font-weight:700}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq-item{background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:border-color .25s var(--ease)}
.faq-item[open]{border-color:rgba(15,58,44,.4);border-left:4px solid var(--brand)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;display:flex;align-items:center;gap:14px;
  font-size:16px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-idx{font-size:13px;font-weight:700;color:var(--warm);min-width:26px}
.faq-arrow{margin-left:auto;color:var(--brand);transition:transform .25s var(--ease);font-size:14px}
.faq-item[open] .faq-arrow{transform:rotate(180deg)}
.faq-body{padding:0 22px 20px 62px;font-size:15px;color:var(--ink-soft)}

/* CTA */
.cta-band{background:var(--brand);color:#fff;border-radius:var(--radius-card);padding:44px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:36px;align-items:center}
.cta-band h2{color:#fff;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.8);font-size:15px;max-width:520px}
.sub-form{display:flex;gap:10px;background:rgba(255,255,255,.1);padding:8px;border-radius:var(--radius-pill);border:1px solid rgba(255,255,255,.2)}
.sub-form input{
  flex:1;min-width:0;border:0;background:transparent;color:#fff;padding:0 18px;height:44px;border-radius:var(--radius-pill);
}
.sub-form input::placeholder{color:rgba(255,255,255,.6)}
.sub-form input:focus{outline:none}
.form-msg{font-size:13px;color:var(--accent);margin-top:10px;min-height:20px}
.form-note{font-size:12.5px;color:rgba(255,255,255,.6);margin-top:6px}

/* 页脚 */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.7);padding:64px 0 0;margin-top:var(--sec-space)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.site-footer a{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s var(--ease)}
.site-footer a:hover{color:var(--accent)}
.footer-brand .logo-text{color:#fff;font-size:17px}
.footer-brand p{font-size:14px;margin:14px 0 0;line-height:1.8;max-width:300px}
.footer-links{display:grid;gap:10px}
.footer-contact{display:grid;gap:12px}
.footer-contact li{display:flex;gap:10px;font-size:14px}
.footer-contact b{color:#fff;font-weight:600;min-width:56px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;font-size:13px;
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px}

/* 响应式 */
@media (max-width:1024px){
  :root{--sec-space:64px}
  .hero-grid,.idea-grid{grid-template-columns:1fr;gap:36px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .points{grid-template-columns:1fr}
  .statbar{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid rgba(255,255,255,.12)}
  .news-layout{grid-template-columns:1fr;gap:24px}
  .filter-panel{position:static}
  .trust-top{grid-template-columns:repeat(2,1fr)}
  .quote-grid{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .brandbar-note{display:none}
  .menu-toggle{display:flex}
  .channel-inner{gap:22px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .search-wrap{display:none}
  .card-grid{grid-template-columns:1fr}
  .hero{padding-top:44px}
  .brandbar{height:64px}
  .channel-inner{height:50px;margin:0 -16px;padding:0 16px}
  .chip::after{bottom:-9px}
  .faq-body{padding:0 18px 18px 22px}
  .cta-band{padding:26px 20px}
  .sub-form{flex-direction:column;border-radius:var(--radius-card)}
  .sub-form input{height:46px}
}
@media (max-width:520px){
  .statbar{grid-template-columns:1fr}
  .stat-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.12)}
  .stat-item:last-child{border-bottom:0}
  .trust-top{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .quote{padding:20px}
}

/* roulang page: category1 */
:root{
    --brand:#0F3A2C;
    --brand-deep:#08211A;
    --accent:#C9F24D;
    --warm:#F4622A;
    --surface:#F6F4EE;
    --surface-alt:#FFFFFF;
    --ink:#141814;
    --ink-soft:#5C665F;
    --line:#E4E1D7;
    --radius-card:6px;
    --radius-pill:999px;
    --shadow-sm:0 2px 0 rgba(20,24,20,.06),0 1px 2px rgba(20,24,20,.05);
    --shadow-hover:0 10px 24px -12px rgba(15,58,44,.35);
    --ease:cubic-bezier(.2,.7,.3,1);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--surface);
    color:var(--ink);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input{font:inherit;color:inherit;}
  h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:700;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  .num{font-variant-numeric:tabular-nums;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
  .section{padding:88px 0;}
  .section-tight{padding:56px 0;}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
  .sec-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;letter-spacing:-.01em;}
  .sec-head p{color:var(--ink-soft);font-size:15px;margin-top:10px;max-width:640px;}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.16em;color:var(--brand);text-transform:uppercase;}
  .eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:inline-block;}

  /* ---------- header ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:var(--surface-alt);border-bottom:1px solid var(--line);}
  .site-header.is-stuck{box-shadow:0 6px 18px -14px rgba(15,58,44,.5);}
  .brandbar{border-bottom:1px solid var(--line);}
  .brand-inner{display:flex;align-items:center;gap:24px;height:68px;}
  .logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.01em;color:var(--brand);}
  .logo-mark{width:26px;height:26px;border-radius:6px;background:var(--brand);position:relative;flex:0 0 auto;}
  .logo-mark::after{content:"";position:absolute;inset:7px 7px 7px 7px;border-radius:2px;background:var(--accent);}
  .brand-mid{flex:1;display:flex;align-items:center;gap:14px;min-height:1px;}
  .brand-mid .ticker{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-soft);white-space:nowrap;overflow:hidden;}
  .dot-live{width:8px;height:8px;border-radius:50%;background:var(--warm);box-shadow:0 0 0 4px rgba(244,98,42,.16);flex:0 0 auto;}
  .brand-tools{display:flex;align-items:center;gap:12px;}
  .search{display:flex;align-items:center;gap:8px;background:#F1EFE7;border:1px solid var(--line);border-radius:var(--radius-pill);padding:0 16px;height:42px;transition:border-color .2s var(--ease),background .2s var(--ease);}
  .search:focus-within{border-color:var(--brand);background:#fff;}
  .search i{color:var(--ink-soft);font-size:13px;}
  .search input{border:0;background:transparent;outline:none;width:190px;font-size:14px;}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-pill);padding:0 22px;height:44px;font-size:14.5px;font-weight:600;cursor:pointer;border:1.5px solid transparent;transition:all .22s var(--ease);white-space:nowrap;}
  .btn-primary{background:var(--brand);color:#fff;}
  .btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);}
  .btn-primary:active{transform:translateY(0);box-shadow:none;}
  .btn-accent{background:var(--warm);color:#fff;}
  .btn-accent:hover{filter:brightness(.94);transform:translateY(-2px);}
  .btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
  .btn-ghost:hover{background:rgba(15,58,44,.08);transform:translateY(-2px);}
  .btn:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
  .hamburger{display:none;width:44px;height:44px;border-radius:var(--radius-pill);border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;}

  .channelbar{background:var(--surface-alt);}
  .channel-inner{display:flex;align-items:center;gap:10px;height:54px;overflow-x:auto;scrollbar-width:none;}
  .channel-inner::-webkit-scrollbar{display:none;}
  .chip{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 18px;border-radius:var(--radius-pill);font-size:14px;font-weight:600;color:var(--ink-soft);border:1px solid transparent;transition:all .2s var(--ease);white-space:nowrap;}
  .chip:hover{color:var(--brand);background:rgba(15,58,44,.07);}
  .chip.active{background:var(--brand);color:#fff;}
  .chip-arrow{color:var(--warm);border-color:rgba(244,98,42,.35);}
  .chip-arrow:hover{background:rgba(244,98,42,.1);color:var(--warm);}

  /* ---------- drawer ---------- */
  .drawer{position:fixed;top:0;right:0;height:100%;width:82%;max-width:340px;background:#fff;z-index:90;transform:translateX(102%);transition:transform .3s var(--ease);display:flex;flex-direction:column;padding:22px 20px;overflow-y:auto;}
  .drawer.open{transform:translateX(0);}
  .drawer-mask{position:fixed;inset:0;background:rgba(8,33,26,.5);z-index:80;opacity:0;pointer-events:none;transition:opacity .3s var(--ease);}
  .drawer-mask.open{opacity:1;pointer-events:auto;}
  .drawer h5{font-size:12px;letter-spacing:.14em;color:var(--ink-soft);margin:22px 0 10px;font-weight:700;}
  .drawer a.d-link{display:block;padding:12px 4px;border-bottom:1px solid var(--line);font-size:15px;font-weight:600;color:var(--ink);}
  .drawer a.d-link.active{color:var(--brand);}
  .drawer-cta{margin-top:auto;padding-top:20px;}

  /* ---------- page hero ---------- */
  .page-hero{position:relative;background:var(--brand-deep);color:#fff;overflow:hidden;}
  .page-hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.28;}
  .page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(8,33,26,.94) 0%,rgba(8,33,26,.78) 52%,rgba(8,33,26,.5) 100%);}
  .page-hero .inner{position:relative;z-index:2;padding:64px 0 56px;}
  .crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:20px;}
  .crumb a:hover{color:var(--accent);}
  .page-hero h1{font-size:clamp(28px,4.4vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.015em;max-width:900px;}
  .page-hero h1 em{font-style:normal;color:var(--accent);}
  .page-hero .lead{margin-top:18px;color:rgba(255,255,255,.78);font-size:16.5px;max-width:720px;}
  .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
  .hero-tags span{display:inline-flex;align-items:center;gap:6px;border:1px solid rgba(255,255,255,.22);border-radius:var(--radius-pill);padding:6px 14px;font-size:13px;color:rgba(255,255,255,.86);}
  .hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:38px;background:rgba(255,255,255,.14);border-radius:var(--radius-card);overflow:hidden;}
  .hero-stats div{background:rgba(8,33,26,.6);padding:18px 20px;}
  .hero-stats b{display:block;font-size:26px;font-weight:800;color:var(--accent);letter-spacing:-.02em;}
  .hero-stats span{font-size:13px;color:rgba(255,255,255,.68);}

  /* ---------- cards ---------- */
  .card{background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .25s var(--ease),box-shadow .25s var(--ease);}
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
  .card .thumb{position:relative;overflow:hidden;background:rgba(15,58,44,.08);}
  .card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
  .card:hover .thumb img{transform:scale(1.04);}
  .badge{display:inline-flex;align-items:center;gap:6px;height:22px;padding:0 9px;border-radius:var(--radius-badge,3px);font-size:12px;font-weight:600;letter-spacing:.02em;}
  .badge-brand{background:rgba(15,58,44,.1);color:var(--brand);}
  .badge-warm{background:rgba(244,98,42,.13);color:#C4461B;}
  .badge-solid{background:var(--accent);color:var(--brand-deep);}
  .meta{font-size:13px;color:var(--ink-soft);}
  .title-link{font-weight:700;color:var(--ink);background-image:linear-gradient(var(--accent),var(--accent));background-size:0 2px;background-repeat:no-repeat;background-position:0 100%;transition:background-size .28s var(--ease),color .2s var(--ease);}
  .card:hover .title-link,.title-link:hover{background-size:100% 2px;color:var(--brand);}

  /* ---------- headline ---------- */
  .headline{display:grid;grid-template-columns:60fr 40fr;gap:24px;}
  .headline .main .thumb{border-radius:var(--radius-card) var(--radius-card) 0 0;aspect-ratio:16/9;}
  .headline .main .body{padding:24px;}
  .headline .main h3{font-size:clamp(20px,2.4vw,27px);line-height:1.32;}
  .headline .main p{color:var(--ink-soft);font-size:15px;margin-top:12px;}
  .side-list{background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;overflow:hidden;}
  .side-list .head{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;}
  .side-list .head h3{font-size:16px;font-weight:700;}
  .side-item{display:flex;gap:14px;padding:18px 22px;border-bottom:1px solid var(--line);transition:background .2s var(--ease);}
  .side-item:last-child{border-bottom:0;}
  .side-item:hover{background:#FBFAF6;}
  .side-item .idx{font-size:15px;font-weight:800;color:var(--warm);width:22px;flex:0 0 auto;font-variant-numeric:tabular-nums;}
  .side-item h4{font-size:14.5px;line-height:1.5;font-weight:600;}
  .side-item span{display:block;font-size:12.5px;color:var(--ink-soft);margin-top:6px;}

  /* ---------- news grid ---------- */
  .news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
  .news-grid .card .thumb{aspect-ratio:16/10;}
  .news-grid .card .body{padding:22px;}
  .news-grid .card h3{font-size:18px;line-height:1.45;margin-top:12px;}
  .news-grid .card p{color:var(--ink-soft);font-size:14.5px;margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);}

  /* ---------- dark panel ---------- */
  .dark-panel{background:var(--brand);color:#fff;border-radius:var(--radius-card);padding:40px;}
  .dark-panel h2{font-size:clamp(22px,2.8vw,30px);}
  .dark-panel .desc{color:rgba(255,255,255,.72);margin-top:12px;max-width:640px;font-size:15px;}
  .status-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:32px;}
  .status-strip div{border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-card);padding:20px;background:rgba(8,33,26,.4);}
  .status-strip b{display:block;font-size:24px;font-weight:800;color:var(--accent);}
  .status-strip span{font-size:13.5px;color:rgba(255,255,255,.7);display:block;margin-top:6px;}
  .focus-line{display:flex;align-items:center;gap:12px;margin-top:28px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);font-size:14px;color:rgba(255,255,255,.8);}
  .focus-line .dot-live{box-shadow:0 0 0 5px rgba(244,98,42,.18);}

  /* ---------- filter tags ---------- */
  .filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
  .filter-row button{height:36px;padding:0 16px;border-radius:var(--radius-pill);border:1px solid var(--line);background:#fff;font-size:13.5px;font-weight:600;color:var(--ink-soft);cursor:pointer;transition:all .2s var(--ease);}
  .filter-row button:hover{border-color:var(--brand);color:var(--brand);}
  .filter-row button.on{background:var(--brand);border-color:var(--brand);color:#fff;}

  /* ---------- faq ---------- */
  .faq-wrap{max-width:900px;}
  .faq-item{background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--radius-card);margin-bottom:14px;overflow:hidden;transition:box-shadow .25s var(--ease),border-color .25s var(--ease);}
  .faq-item[open]{border-color:rgba(15,58,44,.35);box-shadow:var(--shadow-sm);}
  .faq-item summary{display:flex;align-items:center;gap:16px;padding:20px 22px;cursor:pointer;list-style:none;font-weight:600;font-size:16px;}
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary .no{font-variant-numeric:tabular-nums;font-size:13px;font-weight:800;color:var(--warm);width:26px;flex:0 0 auto;}
  .faq-item summary .ico{margin-left:auto;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--brand);transition:transform .3s var(--ease),background .2s var(--ease);flex:0 0 auto;}
  .faq-item[open] summary .ico{transform:rotate(180deg);background:var(--accent);border-color:var(--accent);}
  .faq-item .ans{padding:0 22px 22px 64px;color:var(--ink-soft);font-size:15px;}

  /* ---------- pager ---------- */
  .pager{display:flex;align-items:center;justify-content:center;gap:8px;padding:44px 0 4px;}
  .pager a,.pager span{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:42px;padding:0 14px;border-radius:var(--radius-pill);border:1px solid var(--line);background:#fff;font-size:14px;font-weight:600;color:var(--ink-soft);transition:all .2s var(--ease);}
  .pager a:hover{border-color:var(--brand);color:var(--brand);}
  .pager .current{background:var(--brand);border-color:var(--brand);color:#fff;}

  /* ---------- cta ---------- */
  .cta-band{background:var(--brand-deep);color:#fff;border-radius:var(--radius-card);padding:44px;display:grid;grid-template-columns:1.1fr 1fr;gap:32px;align-items:center;}
  .cta-band h2{font-size:clamp(22px,2.7vw,30px);}
  .cta-band p{color:rgba(255,255,255,.72);margin-top:12px;font-size:15px;}
  .cta-form{display:flex;gap:12px;}
  .cta-form input{flex:1;height:48px;border-radius:6px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);padding:0 16px;color:#fff;outline:none;transition:border-color .2s var(--ease),background .2s var(--ease);}
  .cta-form input::placeholder{color:rgba(255,255,255,.5);}
  .cta-form input:focus{border-color:var(--accent);background:rgba(255,255,255,.14);}
  .cta-form .btn{height:48px;}
  .hint{font-size:12.5px;color:rgba(255,255,255,.55);margin-top:12px;}

  /* ---------- footer ---------- */
  .site-footer{background:var(--brand-deep);color:rgba(255,255,255,.7);margin-top:88px;padding:64px 0 28px;}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
  .site-footer .logo{color:#fff;}
  .footer-brand p{font-size:14px;margin-top:16px;max-width:320px;line-height:1.85;}
  .site-footer h4{color:#fff;font-size:14px;margin-bottom:16px;letter-spacing:.02em;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{font-size:14px;transition:color .2s var(--ease);}
  .footer-links a:hover{color:var(--accent);}
  .footer-contact li{font-size:14px;margin-bottom:12px;line-height:1.7;}
  .footer-contact b{color:#fff;font-weight:600;margin-right:8px;}
  .footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);}
  .footer-bottom .links{display:flex;gap:20px;}
  .footer-bottom a:hover{color:var(--accent);}

  /* ---------- responsive ---------- */
  @media (max-width:1024px){
    .container{padding:0 20px;}
    .section{padding:64px 0;}
    .headline{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .hero-stats{grid-template-columns:repeat(2,1fr);}
    .cta-band{grid-template-columns:1fr;padding:34px;}
    .brand-mid{display:none;}
    .news-grid{grid-template-columns:repeat(2,1fr);}
  }
  @media (max-width:768px){
    .section{padding:48px 0;}
    .brand-tools .search{display:none;}
    .hamburger{display:inline-flex;}
    .brand-inner{height:62px;gap:12px;}
    .news-grid{grid-template-columns:1fr;}
    .status-strip{grid-template-columns:1fr;}
    .dark-panel{padding:28px;}
    .page-hero .inner{padding:44px 0 40px;}
    .sec-head{flex-direction:column;align-items:flex-start;gap:8px;}
    .footer-grid{grid-template-columns:1fr;}
    .cta-form{flex-direction:column;}
    .cta-form .btn{width:100%;}
    .faq-item .ans{padding-left:22px;}
  }
  @media (max-width:520px){
    .container{padding:0 16px;}
    .hero-stats{grid-template-columns:1fr;}
    .headline .main .body,.news-grid .card .body{padding:18px;}
    .side-item{padding:16px 18px;}
  }

/* roulang page: article */
:root{
  --brand:#0F3A2C;
  --brand-deep:#08211A;
  --accent:#C9F24D;
  --warm:#F4622A;
  --surface:#F6F4EE;
  --surface-alt:#FFFFFF;
  --ink:#141814;
  --ink-soft:#5C665F;
  --line:#E4E1D7;
  --shadow-card:0 2px 0 rgba(20,24,20,.06), 0 1px 2px rgba(20,24,20,.05);
  --shadow-hover:0 10px 24px -12px rgba(15,58,44,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
.site-body{
  margin:0;
  background:var(--surface);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
input,textarea{font:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 6px 0;z-index:200}
.skip-link:focus{left:0}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface-alt);border-bottom:1px solid var(--line);transition:box-shadow .25s var(--ease)}
.site-header.is-stuck{box-shadow:0 8px 22px -16px rgba(20,24,20,.45)}
.brandbar{height:68px;border-bottom:1px solid var(--line)}
.brand-inner{display:flex;align-items:center;gap:20px;height:100%}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.01em;white-space:nowrap;color:var(--ink)}
.logo-text{line-height:1}
.logo-mark{position:relative;width:28px;height:28px;border-radius:6px;background:var(--brand);flex:none}
.logo-mark::before{content:"";position:absolute;left:7px;top:7px;width:14px;height:3px;border-radius:2px;background:var(--accent)}
.logo-mark::after{content:"";position:absolute;left:7px;bottom:7px;width:9px;height:3px;border-radius:2px;background:var(--warm)}
.brand-note{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-soft);padding-left:20px;border-left:1px solid var(--line);white-space:nowrap}
.ping{width:7px;height:7px;border-radius:999px;background:var(--warm);flex:none;box-shadow:0 0 0 3px rgba(244,98,42,.15)}
.brand-actions{display:flex;align-items:center;gap:12px;margin-left:auto;position:relative}
.icon-btn{width:40px;height:40px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;transition:border-color .2s,color .2s,transform .2s}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.search-panel{position:absolute;top:calc(100% + 16px);right:0;width:min(340px,86vw);background:#fff;border:1px solid var(--line);border-radius:6px;box-shadow:var(--shadow-hover);padding:14px;display:none;z-index:80}
.search-panel.open{display:block}
.search-panel .field{margin-bottom:10px}
.burger{display:none;width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.burger span{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink)}

/* ---------- Channel bar ---------- */
.channelbar{background:var(--surface-alt)}
.channel-inner{display:flex;align-items:center;gap:30px;height:54px;overflow-x:auto;-ms-overflow-style:none;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.chip{position:relative;font-size:15px;font-weight:600;color:var(--ink-soft);padding:6px 0;white-space:nowrap;transition:color .2s var(--ease)}
.chip::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease)}
.chip:hover{color:var(--ink)}
.chip:hover::after{transform:scaleX(1)}
.chip.active{color:var(--brand)}
.chip.active::after{background:var(--brand);transform:scaleX(1)}
.chip-arrow{margin-left:auto;color:var(--brand)}

/* ---------- Buttons / fields ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:600;font-size:15px;padding:12px 26px;border:1.5px solid transparent;transition:transform .25s var(--ease),background-color .2s,color .2s,border-color .2s,box-shadow .25s}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18)}
.btn-warm{background:var(--warm);color:#fff}
.btn-warm:hover{background:#d94f1c;transform:translateY(-2px)}
.btn-warm:active{transform:translateY(0)}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-outline:hover{background:rgba(15,58,44,.08);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.field{width:100%;border:1px solid var(--line);border-radius:6px;padding:12px 15px;background:#fff;font-size:14.5px;color:var(--ink);transition:border-color .2s,box-shadow .2s}
.field::placeholder{color:#9aa49d}
.field:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,58,44,.10);outline:none}

/* ---------- Banner ---------- */
.page-banner{position:relative;padding:26px 0 62px;color:#fff;background-image:linear-gradient(100deg,rgba(8,33,26,.95) 0%,rgba(15,58,44,.82) 52%,rgba(15,58,44,.55) 100%),url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7)}
.crumbs a{color:rgba(255,255,255,.86);transition:color .2s}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{opacity:.45}
.crumb-current{color:#fff;max-width:min(62ch,100%);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.banner-tagline{margin-top:14px;font-size:13px;letter-spacing:.16em;color:var(--accent);font-weight:600}

/* ---------- Article ---------- */
.article-shell{padding:0 0 10px}
.article-card{max-width:880px;margin:-40px auto 0;background:#fff;border:1px solid var(--line);border-radius:6px;box-shadow:var(--shadow-card);padding:40px 46px 44px;position:relative;z-index:2}
.article-inner{max-width:760px;margin:0 auto}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;padding:5px 11px;border-radius:3px;line-height:1.4}
.badge-accent{background:rgba(201,242,77,.4);color:#33521f}
.badge-brand{background:rgba(15,58,44,.08);color:var(--brand)}
.article-title{font-size:clamp(26px,3.7vw,40px);font-weight:800;line-height:1.22;letter-spacing:-.01em;margin:16px 0 0;color:var(--ink)}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;font-size:13.5px;color:var(--ink-soft);margin-top:18px}
.article-meta b{color:var(--ink);font-weight:600}
.article-meta .dot{width:4px;height:4px;border-radius:999px;background:var(--line)}
.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}
.share-label{font-size:13px;font-weight:600;color:var(--ink-soft);margin-right:4px}
.share-btn{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--ink-soft);border:1px solid var(--line);border-radius:999px;padding:7px 15px;background:#fff;transition:border-color .2s,color .2s,background-color .2s}
.share-btn:hover{border-color:var(--brand);color:var(--brand);background:rgba(15,58,44,.04)}

.article-body{font-size:17px;line-height:1.9;color:#1d221e;margin-top:30px}
.article-body p{margin:0 0 1.1em}
.article-body h2{position:relative;font-size:clamp(21px,2.5vw,26px);font-weight:700;line-height:1.45;margin:2em 0 .8em;padding-left:15px;color:var(--ink)}
.article-body h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--brand)}
.article-body h3{font-size:20px;font-weight:600;line-height:1.5;margin:1.7em 0 .6em;color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.35em}
.article-body li{margin-bottom:.5em}
.article-body ul li::marker{color:var(--brand)}
.article-body ol li::marker{color:var(--warm);font-weight:700}
.article-body blockquote{margin:1.5em 0;padding:16px 22px;border-left:4px solid var(--warm);background:rgba(244,98,42,.05);border-radius:0 6px 6px 0;color:#2b302c}
.article-body img{border-radius:6px;margin:1.5em auto}
.article-body figure{margin:1.5em 0}
.article-body figcaption{font-size:13px;color:var(--ink-soft);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;display:block;overflow-x:auto;margin:1.5em 0}
.article-body th{background:rgba(15,58,44,.07);color:var(--brand);font-weight:700;text-align:left}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 15px;white-space:nowrap}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(15,58,44,.35);transition:border-color .2s,color .2s}
.article-body a:hover{color:var(--warm);border-color:var(--warm)}
.article-body code{background:rgba(15,58,44,.07);border-radius:3px;padding:2px 6px;font-size:15px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}

.empty-state{text-align:center;padding:56px 22px;border:1px dashed var(--line);border-radius:6px;background:#faf9f5}
.empty-state h2{font-size:20px;font-weight:700;margin:0 0 10px;padding:0}
.empty-state h2::before{display:none}
.empty-state p{color:var(--ink-soft);font-size:15px;margin:0 0 22px}
.empty-icon{width:52px;height:52px;border-radius:999px;background:rgba(15,58,44,.08);display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--brand)}

.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:38px;padding-top:24px;border-top:1px solid var(--line)}
.tag-label{font-size:13px;font-weight:600;color:var(--ink-soft);margin-right:2px}
.tag{font-size:13px;font-weight:600;color:var(--brand);background:rgba(15,58,44,.06);border-radius:999px;padding:6px 15px;transition:background-color .2s,color .2s,transform .2s}
.tag:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}

/* ---------- Sections / cards ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0 88px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;margin:0}
.section-head .eyebrow{display:block;font-size:12.5px;font-weight:700;letter-spacing:.16em;color:var(--warm);margin-bottom:10px}
.section-head p{margin:10px 0 0;font-size:15px;color:var(--ink-soft);max-width:60ch}
.section-more{font-size:14px;font-weight:600;color:var(--brand);border-bottom:1.5px solid rgba(15,58,44,.3);padding-bottom:2px;transition:border-color .2s,color .2s}
.section-more:hover{color:var(--warm);border-color:var(--warm)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--surface-alt);border:1px solid var(--line);border-radius:6px;box-shadow:var(--shadow-card);overflow:hidden;display:flex;flex-direction:column;transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.card-media{position:relative;aspect-ratio:16/10;background:rgba(15,58,44,.08);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .25s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .badge{position:absolute;left:14px;top:14px;background:#fff;color:var(--brand);box-shadow:var(--shadow-card)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:17.5px;font-weight:700;line-height:1.5;margin:0}
.card-title a{transition:color .2s}
.card-title a:hover{color:var(--brand)}
.card-desc{font-size:14px;line-height:1.75;color:var(--ink-soft);margin:0}
.card-meta{display:flex;align-items:center;gap:14px;font-size:12.5px;color:var(--ink-soft);margin-top:auto;padding-top:14px;border-top:1px solid var(--line)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--brand);color:#fff;border-radius:6px;padding:44px 46px;display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:center;background-image:radial-gradient(520px 220px at 88% 12%,rgba(201,242,77,.16),transparent 70%)}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.4;margin:0 0 12px;color:#fff}
.cta-band p{margin:0;font-size:15px;line-height:1.85;color:rgba(255,255,255,.78);max-width:46ch}
.subscribe-row{display:flex;gap:10px}
.subscribe-row .field{border-color:transparent}
.form-hint{font-size:12.5px;color:rgba(255,255,255,.62);margin:10px 0 0}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.7);margin-top:80px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 44px}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin:0 0 16px}
.site-footer .logo{color:#fff}
.site-footer .logo-mark{background:rgba(255,255,255,.14)}
.footer-brand p{font-size:14px;line-height:1.85;margin:18px 0 0;max-width:36ch}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;transition:color .2s,transform .2s}
.footer-links a:hover{color:var(--accent);transform:translateX(3px)}
.footer-contact{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:13px}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7}
.footer-contact b{color:var(--accent);font-weight:600;flex:none}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.12);font-size:13px}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:20px;align-items:center}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- Drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(8,33,26,.5);opacity:0;pointer-events:none;transition:opacity .3s var(--ease);z-index:100}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(324px,86vw);background:#fff;z-index:110;transform:translateX(102%);transition:transform .32s var(--ease);display:flex;flex-direction:column;padding:18px 20px 24px;box-shadow:-18px 0 44px -26px rgba(20,24,20,.6)}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-head .logo-text{font-weight:800;font-size:16px}
.drawer-body{flex:1;overflow-y:auto;padding-bottom:16px}
.drawer-group{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--ink-soft);margin:22px 0 6px}
.drawer-link{display:block;padding:12px 0;font-size:15px;font-weight:600;border-bottom:1px solid var(--line);transition:color .2s,padding-left .2s}
.drawer-link:hover{color:var(--brand);padding-left:6px}

@media (max-width:1024px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;padding:36px 30px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .brand-note{display:none}
  .brandbar{height:62px}
  .burger{display:inline-flex}
  .channel-inner{gap:22px;height:50px}
  .chip-arrow{margin-left:0}
  .page-banner{padding:20px 0 52px}
  .article-card{margin-top:-32px;padding:26px 18px 30px}
  .article-body{font-size:16.5px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0 56px}
  .grid-3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;padding:44px 0 30px;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .subscribe-row{flex-direction:column}
  .subscribe-row .btn{width:100%}
}
@media (max-width:640px){
  .hide-sm{display:none}
  .article-meta{gap:6px 14px}
}

/* roulang page: category2 */
:root{
  --brand:#0F3A2C;
  --brand-deep:#08211A;
  --accent:#C9F24D;
  --accent-deep:#A8D435;
  --warm:#F4622A;
  --ink:#141814;
  --ink-soft:#5C665F;
  --surface:#F6F4EE;
  --surface-alt:#FFFFFF;
  --line:#E4E1D7;
  --radius-card:6px;
  --radius-pill:999px;
  --shadow-soft:0 2px 0 rgba(20,24,20,.06), 0 1px 2px rgba(20,24,20,.05);
  --shadow-lift:0 10px 24px -12px rgba(15,58,44,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--surface);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--surface-alt);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-stuck{box-shadow:0 8px 20px -16px rgba(20,24,20,.5)}
.brand-inner{
  height:70px;display:flex;align-items:center;gap:24px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:26px;height:26px;border-radius:7px;display:inline-block;
  background:var(--brand);
  position:relative;flex-shrink:0;
}
.logo-mark::after{
  content:"";position:absolute;inset:7px 6px;
  border-left:3px solid var(--accent);
  border-bottom:3px solid var(--accent);
  transform:skewX(-14deg);
}
.logo-text{font-size:18px;font-weight:800;letter-spacing:.4px;color:var(--brand-deep)}
.brand-note{
  flex:1;min-width:0;font-size:13px;color:var(--ink-soft);
  padding-left:24px;border-left:1px solid var(--line);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.brand-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-pill);padding:7px 14px;width:210px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box svg{flex-shrink:0;opacity:.55}
.search-box input{border:0;background:transparent;outline:none;font-size:14px;width:100%}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,58,44,.08)}
.hamburger{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border-radius:var(--radius-pill);border:1px solid var(--line);
}
.hamburger span{display:block;width:18px;height:2px;background:var(--brand);position:relative}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand);
}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}

/* ---------- 频道行 ---------- */
.channelbar{border-top:1px solid var(--line);background:var(--surface-alt)}
.channel-inner{
  display:flex;align-items:center;gap:10px;
  min-height:54px;padding-top:8px;padding-bottom:8px;
  overflow-x:auto;scrollbar-width:none;
}
.channel-inner::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 18px;border-radius:var(--radius-pill);
  font-size:14.5px;font-weight:600;color:var(--ink-soft);
  border:1px solid transparent;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.chip:hover{color:var(--brand);background:rgba(15,58,44,.06);transform:translateY(-1px)}
.chip.active{background:var(--brand);color:#fff}
.chip.active:hover{background:var(--brand-deep);color:#fff}
.chip-arrow::after{content:"↓";font-size:12px;opacity:.7}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-pill);
  padding:13px 28px;font-size:15px;font-weight:700;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-soft)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--shadow-lift)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-soft)}
.btn-warm{background:var(--warm);color:#fff;box-shadow:var(--shadow-soft)}
.btn-warm:hover{background:#d94f1b;transform:translateY(-2px);box-shadow:var(--shadow-lift)}
.btn-warm:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(15,58,44,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:9px 20px;font-size:14px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--brand-deep);color:#fff}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.34;
}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(8,33,26,.94) 0%,rgba(8,33,26,.78) 46%,rgba(15,58,44,.5) 100%);
}
.hero-inner{position:relative;z-index:2;padding:82px 0 76px;max-width:840px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.5px;
  padding:6px 14px;border-radius:var(--radius-pill);
  border:1px solid rgba(201,242,77,.5);color:var(--accent);
  background:rgba(201,242,77,.08);margin-bottom:22px;
}
.hero h1{
  font-size:clamp(30px,5vw,50px);line-height:1.14;font-weight:800;
  letter-spacing:-.5px;margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-sub{font-size:17px;line-height:1.85;color:rgba(255,255,255,.82);max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-cta .btn-ghost{color:#fff;border-color:rgba(255,255,255,.55)}
.hero-cta .btn-ghost:hover{background:rgba(255,255,255,.12)}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:12px 32px;margin-top:38px;
  padding-top:24px;border-top:1px solid rgba(255,255,255,.16);
  font-size:13.5px;color:rgba(255,255,255,.7);
}
.hero-meta b{color:#fff;font-weight:700}

/* ---------- 数字条 ---------- */
.stat-strip{
  background:var(--surface-alt);
  border-bottom:1px solid var(--line);
}
.stat-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:0;
}
.stat-cell{
  padding:30px 26px;border-right:1px solid var(--line);
}
.stat-cell:last-child{border-right:0}
.stat-num{
  font-size:clamp(26px,3.4vw,34px);font-weight:800;color:var(--brand);
  line-height:1.1;letter-spacing:-.5px;
}
.stat-num i{font-style:normal;font-size:16px;color:var(--warm);margin-left:4px}
.stat-label{margin-top:8px;font-size:14px;color:var(--ink-soft)}

/* ---------- 通用板块 ---------- */
.section{padding:92px 0}
.section.tight{padding:74px 0}
.section-alt{background:var(--surface-alt)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1.4px;color:var(--warm);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--warm)}
.section-head{max-width:720px;margin-bottom:48px}
.section-head h2{
  font-size:clamp(25px,3.4vw,34px);font-weight:700;line-height:1.28;
  letter-spacing:-.3px;margin-bottom:14px;
}
.section-head p{color:var(--ink-soft);font-size:16px}

/* ---------- 服务主体：侧栏 + 列表 ---------- */
.service-layout{display:grid;grid-template-columns:250px 1fr;gap:44px;align-items:start}
.service-side{position:sticky;top:150px}
.service-side h3{
  font-size:13px;letter-spacing:1.2px;color:var(--ink-soft);
  font-weight:700;margin-bottom:14px;
}
.service-side nav{display:flex;flex-direction:column;gap:6px}
.service-side a{
  display:block;padding:11px 16px;border-radius:var(--radius-pill);
  font-size:14.5px;font-weight:600;color:var(--ink-soft);
  border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.service-side a:hover{background:rgba(15,58,44,.06);color:var(--brand)}
.service-side a.is-on{background:var(--brand);color:#fff;border-color:var(--brand)}
.side-note{
  margin-top:24px;padding:20px;border-radius:var(--radius-card);
  background:var(--surface);border:1px solid var(--line);
  font-size:13.5px;color:var(--ink-soft);line-height:1.8;
}
.side-note b{display:block;color:var(--ink);font-size:15px;margin-bottom:6px}

.service-list{border-top:1px solid var(--line)}
.service-item{
  display:grid;grid-template-columns:56px 1fr auto;gap:20px;align-items:start;
  padding:28px 0;border-bottom:1px solid var(--line);
  transition:background .25s var(--ease);
}
.service-item:hover{background:rgba(15,58,44,.03)}
.service-item .idx{
  font-size:22px;font-weight:800;color:var(--brand);letter-spacing:-.5px;
  padding-top:2px;
}
.service-item h3{font-size:19px;font-weight:700;margin-bottom:8px}
.service-item h3 a{
  background-image:linear-gradient(var(--accent),var(--accent));
  background-size:0% 3px;background-repeat:no-repeat;background-position:0 100%;
  transition:background-size .28s var(--ease);
  padding-bottom:3px;
}
.service-item:hover h3 a{background-size:100% 3px}
.service-item p{color:var(--ink-soft);font-size:15.5px;line-height:1.85;margin-bottom:14px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-block;font-size:12.5px;font-weight:600;color:var(--brand);
  background:rgba(15,58,44,.07);border-radius:3px;padding:4px 10px;
}
.tag-warm{color:var(--warm);background:rgba(244,98,42,.1)}
.service-item .go{
  align-self:center;font-size:13.5px;font-weight:700;color:var(--brand);
  white-space:nowrap;border-bottom:2px solid transparent;padding-bottom:2px;
  transition:border-color .25s var(--ease);
}
.service-item:hover .go{border-color:var(--accent-deep)}

/* ---------- 参数横条 ---------- */
.param-bar{
  margin:56px 0 0;background:var(--brand);color:#fff;
  border-radius:var(--radius-card);
  display:grid;grid-template-columns:repeat(3,1fr);
  overflow:hidden;
}
.param-cell{padding:28px 26px;border-right:1px solid rgba(255,255,255,.14)}
.param-cell:last-child{border-right:0}
.param-cell .k{font-size:13px;color:rgba(255,255,255,.66);letter-spacing:.6px}
.param-cell .v{font-size:24px;font-weight:800;margin-top:6px;color:var(--accent)}
.param-cell .d{font-size:13.5px;color:rgba(255,255,255,.72);margin-top:6px}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:var(--surface-alt);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-soft);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift)}
.scene-card .thumb{aspect-ratio:16/10;overflow:hidden;background:rgba(15,58,44,.08)}
.scene-card .thumb img{width:100%;height:100%;transition:transform .3s var(--ease)}
.scene-card:hover .thumb img{transform:scale(1.04)}
.scene-card .body{padding:22px 22px 24px}
.scene-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.scene-card p{font-size:14.5px;color:var(--ink-soft);line-height:1.8}

/* ---------- 流程步骤 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:step}
.step{
  background:var(--surface-alt);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px 20px;
  position:relative;transition:border-color .25s var(--ease),transform .25s var(--ease);
}
.step:hover{border-color:var(--brand);transform:translateY(-3px)}
.step .dot{
  width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;margin-bottom:16px;
}
.step h3{font-size:16px;font-weight:700;margin-bottom:8px}
.step p{font-size:13.8px;color:var(--ink-soft);line-height:1.75}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px}
.faq-item{
  background:var(--surface-alt);border:1px solid var(--line);
  border-left:3px solid var(--line);
  border-radius:var(--radius-card);margin-bottom:14px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item[open]{border-left-color:var(--brand);box-shadow:var(--shadow-soft)}
.faq-item summary{
  display:flex;align-items:center;gap:16px;
  padding:20px 24px;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-index{
  font-size:13px;font-weight:800;color:var(--warm);letter-spacing:.5px;
  min-width:24px;
}
.faq-q{flex:1;font-size:16.5px;font-weight:700;line-height:1.6}
.faq-icon{
  width:22px;height:22px;position:relative;flex-shrink:0;
  transition:transform .28s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
}
.faq-icon::before{left:0;top:10px;width:22px;height:2px}
.faq-icon::after{top:0;left:10px;height:22px;width:2px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-item[open] .faq-icon::before,.faq-item[open] .faq-icon::after{background:var(--warm)}
.faq-a{padding:0 24px 22px 64px;color:var(--ink-soft);font-size:15px;line-height:1.9}
.faq-a p+p{margin-top:12px}

/* ---------- CTA ---------- */
.cta-bar{
  background:var(--brand);color:#fff;border-radius:var(--radius-card);
  padding:44px 44px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-bar::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;
  border-radius:50%;background:rgba(201,242,77,.12);
}
.cta-bar h2{font-size:clamp(22px,2.8vw,30px);font-weight:700;line-height:1.3;margin-bottom:12px;position:relative}
.cta-bar p{color:rgba(255,255,255,.78);font-size:15px;position:relative}
.cta-form{display:flex;gap:10px;position:relative;z-index:2;flex-wrap:wrap}
.cta-form input{
  flex:1;min-width:200px;padding:14px 18px;border-radius:6px;
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.1);
  color:#fff;outline:none;font-size:15px;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.cta-form input::placeholder{color:rgba(255,255,255,.55)}
.cta-form input:focus{border-color:var(--accent);background:rgba(255,255,255,.16)}
.cta-form .btn-warm{align-self:stretch}
.cta-form .btn-warm.is-loading{opacity:.7;pointer-events:none}
.form-tip{
  margin-top:14px;font-size:13.5px;color:rgba(255,255,255,.62);
  position:relative;z-index:2;
}
.form-tip.is-ok{color:var(--accent)}
.form-tip.is-err{color:#FFB4A0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.7);padding:70px 0 30px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-mark{background:#fff}
.footer-brand .logo-mark::after{border-color:var(--brand)}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:320px}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-links a:hover{color:var(--accent);padding-left:4px}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;flex-direction:column;gap:2px;font-size:14px}
.footer-contact b{color:#fff;font-size:13px;font-weight:700;letter-spacing:.4px}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom .links{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:360px;
  background:var(--surface-alt);z-index:90;
  transform:translateX(102%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;padding:24px;
  box-shadow:-16px 0 40px -24px rgba(20,24,20,.5);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px}
.drawer-close{
  width:40px;height:40px;border-radius:var(--radius-pill);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--brand);
}
.drawer-group{font-size:12.5px;letter-spacing:1px;color:var(--ink-soft);font-weight:700;margin:18px 0 10px}
.drawer nav{display:flex;flex-direction:column;gap:4px}
.drawer nav a{
  padding:12px 14px;border-radius:var(--radius-card);font-size:15px;font-weight:600;
  color:var(--ink);
}
.drawer nav a.is-on{background:var(--brand);color:#fff}
.drawer-foot{margin-top:auto;padding-top:24px}
.drawer-foot .btn{width:100%}
.overlay{
  position:fixed;inset:0;background:rgba(8,33,26,.45);z-index:80;
  opacity:0;pointer-events:none;transition:opacity .3s var(--ease);
}
.overlay.is-open{opacity:1;pointer-events:auto}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .brand-note{display:none}
  .service-layout{grid-template-columns:1fr;gap:32px}
  .service-side{position:static}
  .service-side nav{flex-direction:row;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;padding-bottom:4px}
  .service-side nav::-webkit-scrollbar{display:none}
  .service-side nav a{white-space:nowrap}
  .step-grid{grid-template-columns:repeat(3,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .section{padding:72px 0}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .search-box{display:none}
  .hamburger{display:flex}
  .brand-inner{height:64px;gap:14px}
  .hero-inner{padding:58px 0 54px}
  .stat-grid{grid-template-columns:1fr}
  .stat-cell{border-right:0;border-bottom:1px solid var(--line);padding:22px 0}
  .stat-cell:last-child{border-bottom:0}
  .param-bar{grid-template-columns:1fr;margin-top:40px}
  .param-cell{border-right:0;border-bottom:1px solid rgba(255,255,255,.14)}
  .param-cell:last-child{border-bottom:0}
  .scene-grid{grid-template-columns:1fr}
  .step-grid{grid-template-columns:1fr 1fr}
  .service-item{grid-template-columns:1fr;gap:10px;padding:24px 0}
  .service-item .idx{font-size:15px;color:var(--warm);letter-spacing:1px}
  .service-item .go{justify-self:start}
  .cta-bar{grid-template-columns:1fr;padding:32px 24px;gap:26px}
  .faq-a{padding-left:24px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .section{padding:56px 0}
  .section.tight{padding:48px 0}
  .section-head{margin-bottom:34px}
}
@media (max-width:520px){
  .step-grid{grid-template-columns:1fr}
  .hero-cta .btn{width:100%}
  .cta-form .btn-warm{width:100%}
  .logo-text{font-size:16.5px}
  .faq-item summary{padding:18px 16px;gap:12px}
  .faq-a{padding:0 16px 20px 16px}
}

/* roulang page: category3 */
:root{
    --brand:#0F3A2C;
    --brand-deep:#08211A;
    --accent:#C9F24D;
    --accent-deep:#A9D22F;
    --warm:#F4622A;
    --surface:#F6F4EE;
    --surface-alt:#FFFFFF;
    --ink:#141814;
    --ink-soft:#5C665F;
    --line:#E4E1D7;
    --radius-card:6px;
    --radius-pill:999px;
    --radius-input:6px;
    --radius-badge:3px;
    --shadow-card:0 2px 0 rgba(20,24,20,.06), 0 1px 2px rgba(20,24,20,.05);
    --shadow-hover:0 10px 24px -12px rgba(15,58,44,.35);
    --section-y:92px;
    --max-content:1200px;
    --ease:cubic-bezier(.2,.7,.3,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--surface);
    color:var(--ink);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    font-variant-numeric:tabular-nums;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border-style:none}
  a{color:inherit;text-decoration:none}
  button,input{font:inherit;color:inherit}
  button{background:none;border:0;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}
  .container{width:100%;max-width:var(--max-content);margin:0 auto;padding:0 24px}
  .h1{font-size:clamp(30px,4.4vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.02em}
  .h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700}
  .h3{font-size:clamp(18px,1.6vw,22px);line-height:1.4;font-weight:600}
  .lead{font-size:17px;line-height:1.85;color:var(--ink-soft)}
  .muted{color:var(--ink-soft);font-size:14px;line-height:1.65}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;letter-spacing:.08em;
    color:var(--brand);background:rgba(15,58,44,.07);
    border-radius:var(--radius-badge);padding:6px 10px;
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--warm)}
  .eyebrow-dark{color:var(--accent);background:rgba(201,242,77,.14)}

  /* ============ 头部 ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.94);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .25s var(--ease);
  }
  .site-header.is-stuck{box-shadow:0 6px 20px -14px rgba(15,58,44,.5)}
  .header-inner{
    display:flex;align-items:center;gap:24px;
    min-height:68px;
  }
  .logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
  .logo-mark{
    width:30px;height:30px;border-radius:8px;
    background:linear-gradient(135deg,var(--brand) 0%,var(--brand) 55%,var(--warm) 55%,var(--warm) 100%);
    position:relative;flex:0 0 auto;
  }
  .logo-mark::after{
    content:"";position:absolute;inset:8px 8px auto 8px;height:3px;
    background:var(--accent);border-radius:2px;
  }
  .logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--brand-deep)}
  .header-meta{
    flex:1 1 auto;font-size:13px;color:var(--ink-soft);
    padding-left:24px;border-left:1px solid var(--line);
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  }
  .header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
  .icon-btn{
    width:40px;height:40px;border-radius:var(--radius-pill);
    display:inline-flex;align-items:center;justify-content:center;
    border:1.5px solid var(--line);color:var(--brand);
    transition:border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
  }
  .icon-btn:hover{border-color:var(--brand);background:rgba(15,58,44,.06);transform:translateY(-2px)}
  .hamburger{display:none;width:40px;height:40px;border-radius:var(--radius-pill);border:1.5px solid var(--line);align-items:center;justify-content:center;color:var(--brand)}
  .search-panel{
    display:none;border-top:1px solid var(--line);background:#fff;
  }
  .search-panel.open{display:block}
  .search-panel .container{display:flex;gap:12px;padding-top:14px;padding-bottom:14px}
  .search-panel input{
    flex:1 1 auto;height:44px;padding:0 16px;border-radius:var(--radius-input);
    border:1.5px solid var(--line);background:var(--surface);
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .search-panel input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(201,242,77,.45)}

  /* ============ 频道行 ============ */
  .channelbar{background:#fff;border-bottom:1px solid var(--line)}
  .channel-inner{
    display:flex;align-items:center;gap:10px;
    min-height:52px;overflow-x:auto;scrollbar-width:none;
  }
  .channel-inner::-webkit-scrollbar{display:none}
  .chip{
    flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
    height:36px;padding:0 16px;border-radius:var(--radius-pill);
    font-size:14px;font-weight:600;color:var(--ink-soft);
    border:1.5px solid transparent;background:rgba(15,58,44,.05);
    transition:color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
    min-height:36px;
  }
  .chip:hover{color:var(--brand);background:rgba(15,58,44,.1);transform:translateY(-1px)}
  .chip.active{background:var(--brand);color:#fff}
  .chip.active:hover{background:var(--brand-deep);color:#fff}
  .chip-arrow{color:var(--warm);background:rgba(244,98,42,.1)}
  .chip-arrow:hover{color:#fff;background:var(--warm)}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:var(--radius-pill);
    font-size:15px;font-weight:700;cursor:pointer;
    transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
    border:1.5px solid transparent;
  }
  .btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-card)}
  .btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
  .btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-card)}
  .btn-warm{background:var(--warm);color:#fff;box-shadow:var(--shadow-card)}
  .btn-warm:hover{background:#d94f1c;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
  .btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent}
  .btn-ghost:hover{background:rgba(15,58,44,.08);transform:translateY(-2px)}
  .btn-ghost-light{border-color:rgba(255,255,255,.45);color:#fff;background:transparent}
  .btn-ghost-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
  .btn-sm{height:40px;padding:0 18px;font-size:14px}
  .btn:focus-visible,.icon-btn:focus-visible,.chip:focus-visible,.hamburger:focus-visible{
    outline:2px solid var(--accent);outline-offset:2px;
  }

  /* ============ Hero ============ */
  .hero{padding:56px 0 0;position:relative;overflow:hidden}
  .hero::after{
    content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;
    background:radial-gradient(circle,rgba(201,242,77,.28) 0%,rgba(201,242,77,0) 70%);
    pointer-events:none;
  }
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-soft);margin-bottom:20px}
  .breadcrumb a:hover{color:var(--brand);text-decoration:underline}
  .breadcrumb .sep{opacity:.6}
  .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:2}
  .hero-sub{margin-top:20px;font-size:17px;line-height:1.9;color:var(--ink-soft);max-width:52ch}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
  .hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
  .tag{
    display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;
    border-radius:var(--radius-badge);font-size:13px;font-weight:600;
    background:rgba(15,58,44,.07);color:var(--brand);
  }
  .tag-warm{background:rgba(244,98,42,.12);color:#c8431a}
  .hero-media{position:relative;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-hover)}
  .hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
  .hero-media .float-card{
    position:absolute;left:16px;bottom:16px;right:16px;
    background:rgba(8,33,26,.88);color:#fff;border-radius:var(--radius-card);
    padding:14px 16px;display:flex;justify-content:space-between;gap:16px;align-items:center;
    border:1px solid rgba(255,255,255,.12);
  }
  .hero-media .float-card b{font-size:15px;display:block}
  .hero-media .float-card span{font-size:12px;color:rgba(255,255,255,.7)}
  .float-badge{
    flex:0 0 auto;background:var(--accent);color:var(--brand-deep);
    font-size:12px;font-weight:800;border-radius:var(--radius-pill);padding:6px 12px;
  }
  .statbar{
    margin-top:52px;background:var(--brand-deep);border-radius:var(--radius-card);
    display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;position:relative;z-index:2;
  }
  .stat-item{padding:24px 22px;border-right:1px solid rgba(255,255,255,.1)}
  .stat-item:last-child{border-right:0}
  .stat-num{font-size:clamp(22px,2.4vw,30px);font-weight:800;color:#fff;letter-spacing:-.02em}
  .stat-num em{font-style:normal;color:var(--accent)}
  .stat-label{font-size:13px;color:rgba(255,255,255,.68);margin-top:4px}

  /* ============ 通用板块 ============ */
  .section{padding:var(--section-y) 0}
  .section-tight{padding:64px 0}
  .section-alt{background:#fff}
  .section-dark{background:var(--brand);color:#fff}
  .section-head{max-width:720px;margin-bottom:44px}
  .section-head .h2{margin-top:14px}
  .section-head .lead{margin-top:14px}
  .section-dark .lead{color:rgba(255,255,255,.75)}
  .section-dark .h2{color:#fff}

  .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}

  /* 卡片 */
  .card{
    background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:26px;box-shadow:var(--shadow-card);
    transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
    display:flex;flex-direction:column;
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(15,58,44,.2)}
  .card-icon{
    width:44px;height:44px;border-radius:10px;background:rgba(15,58,44,.08);
    display:flex;align-items:center;justify-content:center;color:var(--brand);margin-bottom:18px;
  }
  .card-title{font-size:19px;font-weight:700;margin-bottom:10px}
  .card-text{font-size:15px;line-height:1.85;color:var(--ink-soft)}
  .card-foot{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-soft)}
  .badge{
    display:inline-block;font-size:12px;font-weight:700;letter-spacing:.04em;
    padding:3px 8px;border-radius:var(--radius-badge);
    background:rgba(15,58,44,.08);color:var(--brand);
  }
  .link-arrow{color:var(--brand);font-weight:700;font-size:14px;position:relative;display:inline-flex;align-items:center;gap:6px}
  .link-arrow::after{
    content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;background:var(--accent-deep);
    transition:width .25s var(--ease);
  }
  .link-arrow:hover::after{width:100%}

  /* 卡片 + 封面 */
  .media-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
  .media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
  .media-card .media{overflow:hidden}
  .media-card .media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s var(--ease)}
  .media-card:hover .media img{transform:scale(1.04)}
  .media-card .body{padding:22px;display:flex;flex-direction:column;gap:10px}

  /* 步骤 */
  .steps{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
  .step-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    padding:24px 20px;position:relative;box-shadow:var(--shadow-card);
    transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
  }
  .step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(15,58,44,.22)}
  .step-num{
    width:42px;height:42px;border-radius:50%;background:var(--brand);color:#fff;
    display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;
    margin-bottom:16px;
  }
  .step-card:nth-child(even) .step-num{background:var(--warm)}
  .step-title{font-size:17px;font-weight:700;margin-bottom:8px}
  .step-text{font-size:14px;line-height:1.8;color:var(--ink-soft)}

  /* 折叠面板 */
  .rules-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
  .accordion{display:flex;flex-direction:column;gap:12px}
  .acc-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    overflow:hidden;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
  }
  .acc-item[open]{border-color:rgba(15,58,44,.35);box-shadow:var(--shadow-card)}
  .acc-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
    padding:18px 20px;font-size:16px;font-weight:700;color:var(--ink);
  }
  .acc-item summary::-webkit-details-marker{display:none}
  .acc-item summary:hover{color:var(--brand)}
  .acc-index{
    flex:0 0 auto;width:28px;height:28px;border-radius:var(--radius-badge);
    background:rgba(15,58,44,.08);color:var(--brand);
    display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;
  }
  .acc-q{flex:1 1 auto}
  .acc-icon{
    flex:0 0 auto;width:22px;height:22px;position:relative;
    transition:transform .28s var(--ease);
  }
  .acc-icon::before,.acc-icon::after{
    content:"";position:absolute;background:var(--brand);border-radius:2px;
  }
  .acc-icon::before{left:0;right:0;top:10px;height:2px}
  .acc-icon::after{top:0;bottom:0;left:10px;width:2px}
  .acc-item[open] .acc-icon{transform:rotate(135deg)}
  .acc-body{padding:0 20px 20px 62px;font-size:15px;line-height:1.9;color:var(--ink-soft)}
  .acc-body p+p{margin-top:12px}
  .acc-body strong{color:var(--ink)}

  /* 说明侧栏 */
  .note-panel{
    background:var(--brand-deep);color:#fff;border-radius:var(--radius-card);padding:30px;
    border:1px solid rgba(255,255,255,.12);
  }
  .note-panel .h3{color:#fff;margin-bottom:14px}
  .note-panel p{color:rgba(255,255,255,.74);font-size:15px;line-height:1.9}
  .note-list{margin-top:22px;display:flex;flex-direction:column;gap:14px}
  .note-list li{display:flex;gap:12px;font-size:14px;color:rgba(255,255,255,.82);line-height:1.75}
  .note-list li i{
    flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:2px;background:var(--accent);
  }

  /* 表格 */
  .table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-card);background:#fff}
  table.compare{width:100%;min-width:760px;border-collapse:collapse;font-size:15px}
  table.compare thead th{
    background:rgba(15,58,44,.08);color:var(--brand);
    text-align:left;font-size:14px;font-weight:800;letter-spacing:.02em;
    padding:16px 20px;border-bottom:1px solid var(--line);white-space:nowrap;
  }
  table.compare tbody td{
    padding:18px 20px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--ink-soft);line-height:1.8;
  }
  table.compare tbody tr:last-child td{border-bottom:0}
  table.compare tbody tr:hover{background:rgba(201,242,77,.12)}
  table.compare tbody td strong{color:var(--ink);font-weight:700;display:block;margin-bottom:2px}

  /* FAQ */
  .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
  .faq-card{
    background:#fff;border:1px solid var(--line);border-left:4px solid rgba(15,58,44,.18);
    border-radius:var(--radius-card);padding:22px 24px;
    transition:border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
  }
  .faq-card:hover{border-left-color:var(--warm);transform:translateY(-3px);box-shadow:var(--shadow-hover)}
  .faq-q{font-size:16px;font-weight:700;margin-bottom:10px;display:flex;gap:10px}
  .faq-q span{color:var(--warm)}
  .faq-a{font-size:14.5px;line-height:1.9;color:var(--ink-soft)}

  /* CTA 通栏 */
  .cta-band{
    position:relative;border-radius:var(--radius-card);overflow:hidden;
    background-image:linear-gradient(90deg,rgba(8,33,26,.94) 0%,rgba(8,33,26,.78) 60%,rgba(8,33,26,.6) 100%),url('/assets/images/backpic/back-1.webp');
    background-size:cover;background-position:center;
    color:#fff;padding:52px 48px;
    display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
  }
  .cta-band .h2{color:#fff}
  .cta-band p{color:rgba(255,255,255,.78);margin-top:14px;font-size:16px}
  .subscribe-form{display:flex;gap:12px;align-items:flex-start;flex-wrap:wrap}
  .field{flex:1 1 240px;min-width:200px}
  .field input{
    width:100%;height:52px;padding:0 18px;border-radius:var(--radius-input);
    border:1.5px solid rgba(255,255,255,.28);background:rgba(255,255,255,.1);color:#fff;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
  }
  .field input::placeholder{color:rgba(255,255,255,.55)}
  .field input:focus{outline:none;border-color:var(--accent);background:rgba(255,255,255,.16);box-shadow:0 0 0 3px rgba(201,242,77,.3)}
  .field .hint{font-size:12.5px;color:rgba(255,255,255,.6);margin-top:8px}
  .field .err{font-size:12.5px;color:#FFC7B0;margin-top:8px;display:none}
  .field.error input{border-color:#FF9A76}
  .field.error .err{display:block}
  .btn.is-loading{opacity:.75;pointer-events:none}

  /* 页脚 */
  .site-footer{background:var(--brand-deep);color:rgba(255,255,255,.7);padding:70px 0 28px;margin-top:0}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12)}
  .footer-brand .logo{margin-bottom:16px}
  .footer-brand .logo-text{color:#fff}
  .footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:34ch}
  .site-footer h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.04em}
  .footer-links{display:flex;flex-direction:column;gap:10px}
  .footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s var(--ease),padding-left .2s var(--ease)}
  .footer-links a:hover{color:var(--accent);padding-left:4px}
  .footer-contact{display:flex;flex-direction:column;gap:12px}
  .footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72)}
  .footer-contact b{flex:0 0 42px;color:#fff;font-weight:600}
  .footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:24px;font-size:13px;color:rgba(255,255,255,.55);flex-wrap:wrap}
  .footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
  .footer-bottom a:hover{color:var(--accent)}

  /* 移动端抽屉 */
  .drawer-backdrop{
    position:fixed;inset:0;background:rgba(8,33,26,.55);opacity:0;visibility:hidden;
    transition:opacity .25s var(--ease),visibility .25s var(--ease);z-index:80;
  }
  .drawer-backdrop.open{opacity:1;visibility:visible}
  .mobile-drawer{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:#fff;z-index:90;
    transform:translateX(100%);transition:transform .3s var(--ease);
    display:flex;flex-direction:column;
  }
  .mobile-drawer.open{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
  .drawer-body{padding:20px;overflow-y:auto;flex:1 1 auto}
  .drawer-group-title{font-size:12px;font-weight:800;letter-spacing:.1em;color:var(--ink-soft);margin:18px 0 10px}
  .drawer-group-title:first-child{margin-top:0}
  .drawer-link{display:block;padding:12px 0;font-size:15px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
  .drawer-link.active{color:var(--brand)}
  .drawer-foot{padding:16px 20px;border-top:1px solid var(--line)}
  .drawer-foot .btn{width:100%}

  /* ============ 响应式 ============ */
  @media (max-width:1024px){
    :root{--section-y:64px}
    .hero-grid{grid-template-columns:1fr;gap:36px}
    .hero{padding-top:40px}
    .statbar{grid-template-columns:repeat(2,1fr)}
    .stat-item:nth-child(2){border-right:0}
    .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid rgba(255,255,255,.1)}
    .steps{grid-template-columns:repeat(3,1fr)}
    .rules-wrap{grid-template-columns:1fr;gap:32px}
    .grid-3{grid-template-columns:repeat(2,1fr)}
    .cta-band{grid-template-columns:1fr;padding:40px 30px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  }
  @media (max-width:860px){
    .header-meta{display:none}
    .header-actions .btn{display:none}
    .hamburger{display:inline-flex}
    .grid-3,.grid-2,.faq-grid{grid-template-columns:1fr}
  }
  @media (max-width:768px){
    :root{--section-y:52px}
    .container{padding:0 16px}
    .steps{grid-template-columns:1fr 1fr}
    .section-head{margin-bottom:30px}
    .acc-body{padding-left:20px}
    .acc-item summary{padding:16px;gap:10px;font-size:15px}
  }
  @media (max-width:520px){
    .steps{grid-template-columns:1fr}
    .hero-actions .btn{width:100%}
    .statbar{grid-template-columns:1fr}
    .stat-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.1)}
    .stat-item:last-child{border-bottom:0}
    .cta-band{padding:32px 20px}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column;align-items:flex-start}
    .card,.media-card .body{padding:20px}
  }

/* roulang page: category4 */
:root{
  --brand:#0F3A2C;
  --brand-deep:#08211A;
  --accent:#C9F24D;
  --warm:#F4622A;
  --surface:#F6F4EE;
  --surface-alt:#FFFFFF;
  --ink:#141814;
  --ink-soft:#5C665F;
  --line:#E4E1D7;
  --radius:6px;
  --pill:999px;
  --shadow-1:0 2px 0 rgba(20,24,20,.06), 0 1px 2px rgba(20,24,20,.05);
  --shadow-2:0 10px 24px -12px rgba(15,58,44,.35);
  --cubic:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s var(--cubic);}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.22;font-weight:700;letter-spacing:-.01em;}
h1{font-size:clamp(30px,5vw,52px);font-weight:800;line-height:1.15;}
h2{font-size:clamp(24px,3vw,34px);font-weight:700;}
h3{font-size:20px;font-weight:600;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.tnum{font-variant-numeric:tabular-nums;}

/* ============ 头部 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--surface-alt);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--cubic);
}
.site-header.scrolled{box-shadow:0 6px 18px -14px rgba(15,58,44,.5);}
.topbar-inner{
  display:flex;align-items:center;gap:20px;
  height:68px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:26px;height:26px;border-radius:8px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  position:relative;flex:none;
}
.logo-mark::after{
  content:"";position:absolute;inset:7px 7px auto 7px;height:3px;border-radius:2px;
  background:var(--accent);
}
.logo-mark::before{
  content:"";position:absolute;left:7px;bottom:7px;width:12px;height:3px;border-radius:2px;
  background:rgba(255,255,255,.7);
}
.logo-text{font-size:18px;font-weight:800;letter-spacing:.01em;color:var(--brand-deep);white-space:nowrap;}
.topbar-note{
  display:flex;align-items:center;gap:10px;
  font-size:13.5px;color:var(--ink-soft);
  padding-left:20px;border-left:1px solid var(--line);
  white-space:nowrap;
}
.topbar-actions{margin-left:auto;display:flex;align-items:center;gap:10px;position:relative;}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--surface-alt);border-radius:var(--pill);
  cursor:pointer;transition:border-color .2s var(--cubic),background .2s var(--cubic);
}
.icon-btn:hover{border-color:var(--brand);background:rgba(15,58,44,.05);}
.icon-btn svg{width:18px;height:18px;stroke:var(--brand);fill:none;stroke-width:1.8;stroke-linecap:round;}
.search-pop{
  position:absolute;right:0;top:56px;width:min(360px,calc(100vw - 48px));
  background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-2);padding:12px;display:none;z-index:20;
}
.search-pop.open{display:block;}
.search-pop input{
  width:100%;border:1px solid var(--line);border-radius:var(--radius);
  padding:10px 12px;background:#fff;outline:none;
}
.search-pop input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(201,242,77,.45);}
.search-pop p{margin:8px 0 0;font-size:13px;color:var(--ink-soft);}
.menu-toggle{display:none;}

/* ============ 频道行 ============ */
.channelbar{background:var(--surface-alt);border-top:1px solid var(--line);}
.channel-inner{
  display:flex;align-items:center;gap:12px;
  padding-top:10px;padding-bottom:10px;
  overflow-x:auto;scrollbar-width:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.chip{
  flex:none;display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:var(--pill);
  font-size:14.5px;font-weight:500;color:var(--ink-soft);
  border:1px solid transparent;
  transition:background .2s var(--cubic),color .2s var(--cubic),border-color .2s var(--cubic);
  min-height:38px;
}
.chip:hover{background:rgba(15,58,44,.06);color:var(--brand);}
.chip.active{background:var(--brand);color:#fff;font-weight:600;}
.chip-arrow::after{content:"↓";font-size:12px;opacity:.7;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--pill);
  font-size:15px;font-weight:600;cursor:pointer;
  border:1.5px solid transparent;background:transparent;
  transition:transform .22s var(--cubic),background .22s var(--cubic),color .22s var(--cubic),box-shadow .22s var(--cubic),border-color .22s var(--cubic);
  min-height:44px;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-primary:disabled{opacity:.65;cursor:not-allowed;transform:none;}
.btn-ghost{border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:rgba(15,58,44,.08);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-warm{background:var(--warm);color:#fff;box-shadow:var(--shadow-1);}
.btn-warm:hover{background:#d94f1e;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-warm:active{transform:translateY(0);}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px;}

/* ============ 抽屉 ============ */
.drawer{position:fixed;inset:0;z-index:120;display:none;}
.drawer.open{display:block;}
.drawer-mask{position:absolute;inset:0;background:rgba(8,33,26,.5);}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(340px,86vw);
  background:var(--surface-alt);padding:20px;display:flex;flex-direction:column;gap:8px;
  box-shadow:-12px 0 32px -20px rgba(8,33,26,.6);overflow-y:auto;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:12px;border-bottom:1px solid var(--line);}
.drawer-group{font-size:12.5px;letter-spacing:.08em;color:var(--ink-soft);margin:16px 0 6px;text-transform:uppercase;}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 4px;border-bottom:1px solid var(--line);font-size:15.5px;font-weight:500;
  min-height:44px;
}
.drawer-links a:hover{color:var(--brand);}
.drawer-links a.active{color:var(--brand);font-weight:700;}
.drawer-cta{margin-top:auto;padding-top:18px;}

/* ============ Hero ============ */
.hero{padding:72px 0 56px;background:
  radial-gradient(140% 90% at 90% 0%,rgba(201,242,77,.28) 0%,rgba(201,242,77,0) 58%),
  var(--surface);}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand);background:rgba(15,58,44,.08);
  padding:6px 14px;border-radius:var(--pill);margin-bottom:20px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--warm);}
.hero-copy h1{max-width:15em;margin-bottom:20px;}
.hero-copy .hero-lead{font-size:17px;color:var(--ink-soft);max-width:36em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 22px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-soft);}
.hero-tags span{
  border:1px solid var(--line);border-radius:3px;padding:4px 10px;background:rgba(255,255,255,.7);
}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius);
  box-shadow:var(--shadow-2);
}
.hero-media::after{
  content:"7×24 自助查询";position:absolute;left:18px;bottom:18px;
  background:var(--brand-deep);color:#fff;font-size:13px;font-weight:600;
  padding:7px 14px;border-radius:var(--pill);letter-spacing:.02em;
}

/* ============ 数据条 ============ */
.stat-strip{margin-top:8px;}
.stat-card{
  background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-1);padding:22px 24px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.stat{padding-left:16px;border-left:2px solid var(--accent);}
.stat-num{font-size:28px;font-weight:800;color:var(--brand);line-height:1.2;font-variant-numeric:tabular-nums;}
.stat-num em{font-style:normal;font-size:15px;font-weight:600;margin-left:2px;color:var(--ink-soft);}
.stat-label{font-size:14px;color:var(--ink-soft);margin-top:2px;}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-alt{background:var(--surface-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--ink-soft);margin:0;}
.section-kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--warm);margin-bottom:12px;
}

/* ============ 搜索区 ============ */
.search-band{background:var(--brand);color:#fff;padding:52px 0;}
.search-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.search-band .sb-note{color:rgba(255,255,255,.72);font-size:15px;margin-bottom:24px;}
.faq-search{
  display:flex;align-items:center;gap:10px;
  background:var(--surface-alt);border-radius:var(--pill);
  padding:8px 8px 8px 24px;box-shadow:0 14px 30px -22px rgba(0,0,0,.7);
  max-width:820px;
  transition:box-shadow .25s var(--cubic);
}
.faq-search:focus-within{box-shadow:0 0 0 3px rgba(201,242,77,.55);}
.faq-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:16px;padding:12px 0;color:var(--ink);
}
.faq-search input::placeholder{color:#9aa39c;}
.search-hint{max-width:820px;margin-top:14px;font-size:14px;color:rgba(255,255,255,.8);}
.search-hint.alert{color:var(--accent);}

/* ============ 快捷入口卡 ============ */
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.quick-card{
  background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-1);padding:24px;
  display:flex;flex-direction:column;gap:10px;
  transition:transform .25s var(--cubic),box-shadow .25s var(--cubic),border-color .25s var(--cubic);
}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,58,44,.25);}
.quick-icon{
  width:40px;height:40px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(15,58,44,.08);
}
.quick-icon svg{width:20px;height:20px;stroke:var(--brand);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.quick-card h3{font-size:18px;}
.quick-card p{font-size:14.5px;color:var(--ink-soft);margin:0;}
.quick-card .qlink{font-size:14px;font-weight:600;color:var(--brand);margin-top:auto;}
.quick-card .qlink::after{content:" →";color:var(--warm);}
.quick-card .qlink:hover{color:var(--brand-deep);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px;}

/* ============ FAQ + 侧栏 ============ */
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:border-color .25s var(--cubic),box-shadow .25s var(--cubic);
}
.faq-item[open]{border-color:rgba(15,58,44,.35);}
.faq-item:hover{box-shadow:var(--shadow-2);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:14px;
  padding:20px 22px;font-size:17px;font-weight:600;line-height:1.5;
  min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-num{
  flex:none;font-size:13px;font-weight:800;color:var(--warm);
  border:1px solid rgba(244,98,42,.35);border-radius:4px;
  padding:2px 7px;margin-top:2px;font-variant-numeric:tabular-nums;
}
.faq-icon{
  flex:none;margin-left:auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);position:relative;
  transition:transform .28s var(--cubic),border-color .28s var(--cubic),background .28s var(--cubic);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:1.8px;}
.faq-icon::after{width:1.8px;height:11px;transition:opacity .25s var(--cubic);}
.faq-item[open] .faq-icon{transform:rotate(45deg);border-color:var(--brand);background:var(--accent);}
.faq-item[open] .faq-icon::after{opacity:0;}
.faq-a{
  padding:0 22px 22px 66px;color:var(--ink-soft);font-size:15.5px;
  border-top:1px dashed var(--line);margin:0 22px 0 22px;padding-top:16px;
}
.faq-item[open] .faq-a{animation:fadeUp .28s var(--cubic);}
@keyframes fadeUp{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}
.faq-a ul{margin:10px 0 0;}
.faq-a li{position:relative;padding-left:16px;margin-bottom:6px;}
.faq-a li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--accent);}

.side-card{
  background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-1);padding:24px;position:sticky;top:140px;
}
.side-card h3{font-size:18px;margin-bottom:6px;}
.side-card .side-desc{font-size:14px;color:var(--ink-soft);margin-bottom:18px;}
.side-list li{border-top:1px solid var(--line);padding:14px 0 14px 0;}
.side-list li:first-child{border-top:0;padding-top:0;}
.side-list a{display:flex;align-items:center;gap:12px;font-size:15px;font-weight:600;}
.side-list a:hover{color:var(--brand);}
.side-list .si{
  width:34px;height:34px;flex:none;border-radius:9px;background:rgba(15,58,44,.08);
  display:inline-flex;align-items:center;justify-content:center;
}
.side-list .si svg{width:17px;height:17px;stroke:var(--brand);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.side-list small{display:block;font-size:13px;color:var(--ink-soft);font-weight:400;margin-top:2px;}

/* ============ 流程步骤 ============ */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step-card{
  background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-1);padding:26px 22px;position:relative;
  transition:transform .25s var(--cubic),box-shadow .25s var(--cubic);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.step-num{
  width:38px;height:38px;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step-card h3{font-size:17px;margin-bottom:8px;}
.step-card p{font-size:14.5px;color:var(--ink-soft);margin:0;}
.step-card .step-time{display:inline-block;margin-top:14px;font-size:12.5px;font-weight:700;color:var(--warm);letter-spacing:.03em;}

/* ============ 深色安全区 ============ */
.dark-panel{background:var(--brand);color:#fff;padding:88px 0;}
.dark-panel h2{color:#fff;margin-bottom:14px;}
.dark-panel .dp-lead{color:rgba(255,255,255,.74);max-width:640px;margin-bottom:40px;}
.dark-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.dark-item{
  border:1px solid rgba(255,255,255,.10);border-radius:var(--radius);
  padding:24px;background:rgba(255,255,255,.03);
  transition:background .25s var(--cubic),transform .25s var(--cubic);
}
.dark-item:hover{background:rgba(255,255,255,.07);transform:translateY(-3px);}
.dark-item h3{font-size:17px;color:var(--accent);margin-bottom:8px;}
.dark-item p{font-size:14.5px;color:rgba(255,255,255,.78);margin:0;}

/* ============ CTA ============ */
.cta-band{background:var(--brand-deep);color:#fff;padding:64px 0;}
.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
.cta-band h2{color:#fff;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.72);margin:0;}
.sub-form{display:flex;flex-direction:column;gap:10px;}
.sub-row{
  display:flex;gap:10px;background:var(--surface-alt);border-radius:var(--pill);
  padding:8px 8px 8px 22px;align-items:center;
}
.sub-row input{flex:1;min-width:0;border:0;background:transparent;outline:none;padding:12px 0;font-size:15.5px;}
.sub-row:focus-within{box-shadow:0 0 0 3px rgba(201,242,77,.55);}
.form-msg{font-size:13.5px;color:rgba(255,255,255,.75);min-height:20px;}
.form-msg.error{color:#FFB59B;}
.form-msg.ok{color:var(--accent);}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.72);padding:64px 0 28px;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);}
.site-footer .logo-text{color:#fff;}
.site-footer .logo-mark{background:linear-gradient(135deg,var(--accent) 0%,#8fbb1f 100%);}
.site-footer .logo-mark::after{background:var(--brand-deep);}
.site-footer .logo-mark::before{background:rgba(8,33,26,.45);}
.footer-brand p{margin-top:16px;max-width:34em;color:rgba(255,255,255,.66);font-size:14px;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--accent);}
.footer-contact li{display:flex;gap:10px;margin-bottom:10px;align-items:flex-start;}
.footer-contact b{flex:none;color:#fff;font-weight:600;}
.footer-contact span{color:rgba(255,255,255,.66);}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding-top:22px;font-size:13.5px;color:rgba(255,255,255,.55);}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom a:hover{color:var(--accent);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero{padding:56px 0 44px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media img{aspect-ratio:16/9;}
  .stat-card{grid-template-columns:repeat(2,1fr);gap:20px;}
  .section{padding:64px 0;}
  .dark-panel{padding:64px 0;}
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .steps-grid{grid-template-columns:repeat(2,1fr);}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .side-card{position:static;}
  .cta-inner{grid-template-columns:1fr;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .topbar-note{display:none;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .channel-inner{padding-left:16px;padding-right:16px;gap:8px;}
  .hero-copy h1{max-width:none;}
  .faq-search{flex-direction:column;align-items:stretch;border-radius:var(--radius);padding:12px;}
  .faq-search input{padding:10px 4px;}
  .faq-search .btn{width:100%;}
  .faq-a{padding-left:22px;margin:0 18px;}
  .dark-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .topbar-inner{height:60px;}
  .topbar-actions .btn-primary{display:none;}
  .menu-toggle{display:inline-flex;}
}
@media (max-width:520px){
  body{font-size:16px;}
  .stat-card{grid-template-columns:1fr;gap:16px;}
  .quick-grid,.steps-grid{grid-template-columns:1fr;}
  .section{padding:48px 0;}
  .footer-bottom{flex-direction:column;gap:8px;}
}