/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --brand:#0F3B33;
  --brand-deep:#0A2A24;
  --brand-light:#1C5C4D;
  --brand-soft:rgba(15,59,51,.08);
  --clay:#C85B2E;
  --clay-soft:rgba(200,91,46,.12);
  --lime:#D6EC4A;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --line:#E2DED6;
  --t1:#171A19;
  --t2:#5C6360;
  --t3:#8C918E;
  --r-card:6px;
  --r-btn:4px;
  --r-badge:2px;
  --maxw:1240px;
  --shadow-hover:0 14px 30px -20px rgba(15,59,51,.35);
  --ease:cubic-bezier(.2,.8,.2,1);
  --sp-section:104px;
}
/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;color:var(--t1);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;line-height:1.2}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px}
::selection{background:var(--lime);color:var(--brand-deep)}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
/* ============ 容器与通用 ============ */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:var(--sp-section) 0}
.section--tight{padding:72px 0}
.section--dark{background:var(--brand);color:#F2F0EA}
.section--dark .section-tag{color:var(--lime)}
.section--paper{background:#FFFFFF}
.section-tag{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:500;letter-spacing:.12em;color:var(--clay);
  margin-bottom:14px;
}
.section-tag::before{content:"";width:24px;height:1px;background:var(--clay)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:36px;line-height:1.25}
.section-lead{margin-top:16px;color:var(--t2);font-size:16px;max-width:640px}
.section--dark .section-lead{color:rgba(242,240,234,.76)}
.hairline{height:1px;background:var(--line);border:0}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:700;
  letter-spacing:.02em;transition:all 180ms var(--ease);border:1px solid transparent;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#FFF}
.btn-primary:hover{background:var(--brand-light);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand);color:#FFF}
.btn-light{background:#F2F0EA;color:var(--brand-deep)}
.btn-light:hover{background:var(--lime);color:var(--brand-deep);transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#F2F0EA;border-color:rgba(242,240,234,.5)}
.btn-outline-light:hover{background:#F2F0EA;color:var(--brand-deep)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand);
  position:relative;
}
.link-arrow svg{transition:transform 180ms var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}
.link-underline{position:relative;background-image:linear-gradient(currentColor,currentColor);background-size:0 1px;background-repeat:no-repeat;background-position:0 100%;transition:background-size 220ms var(--ease)}
.link-underline:hover{background-size:100% 1px}
/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(247,245,240,.9);
  backdrop-filter:blur(10px);border-bottom:1px solid transparent;
  transition:height 200ms var(--ease),border-color 200ms var(--ease),background 200ms var(--ease);
}
.site-header.is-scrolled{background:rgba(247,245,240,.97);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;gap:28px;height:74px;transition:height 200ms var(--ease)}
.site-header.is-scrolled .header-inner{height:62px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:var(--r-card);background:var(--brand);
  display:grid;place-items:center;flex-shrink:0;
}
.brand-mark svg{width:22px;height:22px;stroke:var(--lime)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--brand-deep)}
.brand-text em{font-style:normal;font-size:11px;color:var(--t3);letter-spacing:.08em}
.main-nav{flex:1;min-width:0}
.main-nav ul{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;display:block;padding:6px 0;font-size:15px;font-weight:500;color:var(--t2);
  transition:color 160ms var(--ease);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--clay);
  transform:scaleX(0);transform-origin:left;transition:transform 200ms var(--ease);
}
.nav-link:hover{color:var(--brand-deep)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-deep);font-weight:700}
.header-tools{display:flex;align-items:center;gap:12px;flex-shrink:0}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-btn);display:grid;place-items:center;
  color:var(--t2);border:1px solid var(--line);background:#FFF;transition:all 160ms var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand)}
.icon-btn svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.5}
.nav-toggle{display:none;width:38px;height:38px;border-radius:var(--r-btn);border:1px solid var(--line);background:#FFF;place-items:center}
.nav-toggle svg{width:18px;height:18px;stroke:var(--brand-deep);stroke-width:1.6;fill:none}
/* 抽屉导航 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,42,36,.5);opacity:0;visibility:hidden;
  transition:opacity 220ms var(--ease);z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);background:var(--bg);z-index:80;
  transform:translateX(100%);transition:transform 260ms var(--ease);
  display:flex;flex-direction:column;padding:22px 22px 30px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-head span{font-weight:800;font-size:16px;color:var(--brand-deep)}
.drawer-close{width:34px;height:34px;border-radius:var(--r-btn);border:1px solid var(--line);font-size:20px;line-height:1;color:var(--t2)}
.drawer-nav{display:flex;flex-direction:column;padding:18px 0;flex:1}
.drawer-nav a{
  padding:14px 0;font-size:17px;font-weight:700;color:var(--brand-deep);border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--clay)}
.drawer-cta{margin-top:auto;width:100%}
/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:56px 0 88px}
.hero-grid{display:grid;grid-template-columns:1.1fr .95fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:500;
  letter-spacing:.12em;color:var(--clay);margin-bottom:20px;
}
.eyebrow .eyebrow-line{width:24px;height:1px;background:var(--clay);display:inline-block}
.hero h1{font-size:60px;line-height:1.08;color:var(--brand-deep);max-width:15em}
.hero-sub{margin-top:22px;font-size:18px;color:var(--t2);max-width:32em;line-height:1.8}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.hero-stats{display:flex;gap:0;margin-top:48px;border-top:1px solid var(--line);padding-top:26px}
.hero-stats li{flex:1;padding-right:22px;position:relative}
.hero-stats li + li{padding-left:22px;border-left:1px solid var(--line)}
.stat-num{display:block;font-size:38px;font-weight:800;color:var(--brand-deep);line-height:1.1;font-variant-numeric:tabular-nums}
.stat-num em{font-style:normal;font-size:20px;color:var(--clay)}
.stat-label{display:block;margin-top:8px;font-size:13px;letter-spacing:.04em;color:var(--t3)}
.hero-visual{position:relative;border-radius:8px;overflow:hidden;min-height:460px;background:var(--brand-deep)}
.hero-visual img{width:100%;height:100%;min-height:460px;object-fit:cover;position:absolute;inset:0}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,59,51,.22) 0%,rgba(15,59,51,.42) 100%);
}
.hero-watermark{
  position:absolute;top:18px;right:22px;z-index:3;font-size:44px;font-weight:800;
  color:rgba(247,245,240,.38);letter-spacing:.02em;font-variant-numeric:tabular-nums;
}
.hero-card{
  position:absolute;left:20px;right:20px;bottom:20px;z-index:3;background:rgba(247,245,240,.95);
  border-radius:var(--r-card);padding:20px 22px;
}
.hero-card-title{font-size:12px;letter-spacing:.14em;color:var(--clay);font-weight:700;margin-bottom:10px}
.hero-card ul{display:flex;flex-direction:column;gap:6px}
.hero-card li{font-size:14px;color:var(--brand-deep);padding-left:16px;position:relative}
.hero-card li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;background:var(--clay);border-radius:1px}
/* ============ 能力区 ============ */
.capability-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:24px}
.cap-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 26px;
  transition:all 220ms var(--ease);display:flex;flex-direction:column;gap:14px;
}
.cap-card:hover{border-color:rgba(15,59,51,.28);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.cap-card--feature{background:var(--brand);color:#F2F0EA;border-color:var(--brand)}
.cap-card--feature .cap-index{color:var(--lime)}
.cap-card--feature p{color:rgba(242,240,234,.78)}
.cap-index{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--clay);font-variant-numeric:tabular-nums}
.cap-card h3{font-size:21px}
.cap-card p{font-size:15px;color:var(--t2);line-height:1.75}
.cap-list{margin-top:auto;display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-block;padding:4px 10px;font-size:12.5px;color:var(--brand);
  border:1px solid rgba(15,59,51,.22);border-radius:var(--r-badge);background:rgba(15,59,51,.04);
}
.cap-card--feature .chip{color:var(--lime);border-color:rgba(214,236,74,.4);background:rgba(214,236,74,.08)}
/* ============ 编号目录 ============ */
.catalog-wrap{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:0 56px;border-top:1px solid var(--line)}
.catalog-row{
  display:flex;align-items:center;gap:20px;padding:26px 4px;border-bottom:1px solid var(--line);
  transition:background 180ms var(--ease);
}
.catalog-row:hover{background:#FFFFFF}
.catalog-num{
  font-size:15px;font-weight:700;color:var(--t3);width:40px;flex-shrink:0;
  font-variant-numeric:tabular-nums;transition:color 180ms var(--ease);
}
.catalog-row:hover .catalog-num{color:var(--clay)}
.catalog-body{flex:1;min-width:0}
.catalog-body h3{font-size:19px;color:var(--brand-deep)}
.catalog-body p{margin-top:4px;font-size:14px;color:var(--t2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.catalog-meta{display:flex;align-items:center;gap:14px;flex-shrink:0}
.badge{
  font-size:12px;font-weight:600;letter-spacing:.04em;padding:3px 9px;
  border:1px solid rgba(15,59,51,.24);border-radius:var(--r-badge);color:var(--brand);
  background:rgba(15,59,51,.05);white-space:nowrap;
}
.catalog-row .link-arrow{color:var(--brand)}
/* ============ 最新信息（CMS） ============ */
.latest-grid{display:grid;grid-template-columns:1.7fr 1fr;gap:24px;align-items:start}
.post-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;transition:all 220ms var(--ease);height:100%;
}
.post-card:hover{border-color:rgba(15,59,51,.28);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#DDE4E0}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease)}
.post-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,59,51,.06),rgba(15,59,51,.22))}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-cat{
  align-self:flex-start;font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--clay);
  border:1px solid rgba(200,91,46,.35);border-radius:var(--r-badge);padding:2px 8px;
}
.post-card h3{font-size:20px;line-height:1.45;color:var(--brand-deep);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card--lg h3{font-size:26px;-webkit-line-clamp:3}
.post-excerpt{font-size:14.5px;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--t3)}
.latest-side{display:flex;flex-direction:column;gap:24px}
.latest-side .post-thumb{aspect-ratio:16/9}
.latest-list{margin-top:26px;border-top:1px solid var(--line)}
.latest-list li{border-bottom:1px solid var(--line)}
.latest-list a{display:flex;align-items:center;gap:18px;padding:16px 4px;transition:background 180ms var(--ease)}
.latest-list a:hover{background:#FFFFFF}
.latest-list img{width:78px;height:52px;object-fit:cover;border-radius:4px;flex-shrink:0}
.latest-list .ll-title{flex:1;font-size:15.5px;font-weight:600;color:var(--brand-deep);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.latest-list .ll-time{font-size:13px;color:var(--t3);flex-shrink:0;font-variant-numeric:tabular-nums}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:#FFFFFF;
  padding:56px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px;
}
.empty-state svg{width:52px;height:52px;stroke:rgba(15,59,51,.35);fill:none;stroke-width:1.4}
.empty-state p{font-size:14px;color:var(--t2)}
/* ============ 流程时间轴 ============ */
.timeline{position:relative;padding-left:34px;border-left:2px solid var(--line);display:grid;gap:38px;margin-top:8px}
.timeline-item{position:relative}
.timeline-item::before{
  content:"";position:absolute;left:-41px;top:8px;width:12px;height:12px;border-radius:50%;
  background:var(--clay);box-shadow:0 0 0 4px var(--bg);
}
.timeline-num{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--clay);font-variant-numeric:tabular-nums}
.timeline-item h3{font-size:21px;margin:8px 0 8px;color:var(--brand-deep)}
.timeline-item p{font-size:15px;color:var(--t2);max-width:56ch}
/* ============ 口碑 ============ */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote-card{
  background:rgba(242,240,234,.06);border:1px solid rgba(242,240,234,.18);border-radius:var(--r-card);
  padding:28px 26px;display:flex;flex-direction:column;gap:18px;transition:all 220ms var(--ease);
}
.quote-card:hover{border-color:rgba(214,236,74,.45);transform:translateY(-2px)}
.quote-card p{font-size:15px;line-height:1.85;color:rgba(242,240,234,.88)}
.quote-who{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:16px;border-top:1px solid rgba(242,240,234,.16)}
.quote-avatar{width:36px;height:36px;border-radius:50%;background:var(--lime);color:var(--brand-deep);display:grid;place-items:center;font-weight:800;font-size:14px}
.quote-who span{font-size:13px;color:rgba(242,240,234,.7);letter-spacing:.04em}
/* ============ 横向推荐 ============ */
.rail-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px}
.rail-arrows{display:flex;gap:10px}
.rail-btn{
  width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-btn);background:#FFF;
  display:grid;place-items:center;transition:all 160ms var(--ease);
}
.rail-btn:hover{border-color:var(--brand);color:var(--brand)}
.rail-btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.6}
.rail-btn[disabled]{opacity:.4;cursor:not-allowed}
.rail{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(272px,1fr);gap:22px;
  overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px;scrollbar-width:thin;
}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.rail-card{
  scroll-snap-align:start;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:all 220ms var(--ease);display:flex;flex-direction:column;
}
.rail-card:hover{border-color:rgba(15,59,51,.28);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.rail-card .post-thumb{aspect-ratio:4/3}
.rail-card .post-body{padding:18px 20px 20px;gap:10px}
.rail-card h3{font-size:17px}
.rail-card p{font-size:14px;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:24px 4px;font-size:18px;font-weight:700;color:var(--brand-deep);transition:color 160ms var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-light)}
.faq-icon{position:relative;width:18px;height:18px;flex-shrink:0}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--clay);transition:transform 200ms var(--ease),opacity 200ms var(--ease);
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{top:0;left:8px;width:2px;height:18px}
.faq-item[open] .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-answer{padding:0 4px 26px;max-width:76ch;font-size:16px;color:var(--t2);line-height:1.85}
/* ============ CTA 通栏 ============ */
.cta-band{background:var(--brand);color:#F2F0EA;padding:78px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-inner h2{font-size:32px;max-width:18em}
.cta-inner p{margin-top:12px;font-size:15px;color:rgba(242,240,234,.76);max-width:42ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-rule{width:64px;height:2px;background:var(--lime);margin-top:28px}
/* ============ 页脚 ============ */
.site-footer{background:var(--brand-deep);color:#E7E4DC;padding:76px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand-text strong{color:#F2F0EA}
.footer-brand .brand-text em{color:rgba(231,228,220,.6)}
.footer-brand p{margin-top:18px;font-size:14px;color:rgba(231,228,220,.72);max-width:30ch;line-height:1.8}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:6px;font-size:14px;color:rgba(231,228,220,.72)}
.footer-contact .num{font-weight:700;color:var(--lime);font-size:17px}
.footer-col h4{font-size:13px;letter-spacing:.12em;color:rgba(231,228,220,.62);font-weight:700;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(231,228,220,.86);transition:color 160ms var(--ease)}
.footer-col a:hover{color:var(--lime);text-decoration:underline}
.footer-note{font-size:14px;color:rgba(231,228,220,.72);line-height:1.8}
.footer-bottom{
  margin-top:58px;border-top:1px solid rgba(231,228,220,.16);padding:24px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(231,228,220,.6);
}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom a:hover{color:var(--lime)}
/* ============ 进入视口动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 320ms var(--ease),transform 320ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}
/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero h1{font-size:50px}
  .capability-grid{grid-template-columns:1fr 1fr}
  .cap-card--feature{grid-column:span 2}
}
@media (max-width:1023px){
  :root{--sp-section:76px}
  .main-nav{display:none}
  .nav-toggle{display:grid}
  .header-inner{gap:16px}
  .hero{padding:40px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:42px}
  .hero-visual,.hero-visual img{min-height:340px}
  .latest-grid{grid-template-columns:1fr}
  .latest-side{flex-direction:row}
  .latest-side .post-card{flex:1}
  .quote-grid{grid-template-columns:1fr;gap:18px}
  .catalog-wrap{grid-template-columns:1fr;gap:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .section-head h2{font-size:30px}
}
@media (max-width:767px){
  :root{--sp-section:56px}
  .container{padding:0 20px}
  .brand-text em{display:none}
  .header-tools .btn{display:none}
  .hero h1{font-size:34px}
  .hero-sub{font-size:16px}
  .hero-stats{flex-direction:column;gap:16px;padding-top:20px}
  .hero-stats li{padding:0;border:0!important}
  .hero-stats li + li{padding-left:0;border-left:0;border-top:1px solid var(--line);padding-top:16px}
  .stat-num{font-size:30px}
  .hero-card{left:14px;right:14px;bottom:14px;padding:16px}
  .capability-grid{grid-template-columns:1fr}
  .cap-card--feature{grid-column:span 1}
  .latest-side{flex-direction:column}
  .catalog-body p{white-space:normal;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}
  .catalog-meta .badge{display:none}
  .faq-item summary{font-size:16.5px;padding:20px 2px}
  .cta-inner h2{font-size:26px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .section-head h2{font-size:26px}
  .rail{grid-auto-columns:minmax(240px,80%)}
  .rail-arrows{display:none}
  .latest-list .ll-time{display:none}
}
@media (max-width:480px){
  .hero h1{font-size:30px}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .catalog-row{gap:12px;padding:20px 2px}
  .catalog-num{width:28px}
  .post-body{padding:18px 16px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --ink:#0F3B33;
  --ink-deep:#0A2A24;
  --ink-mid:#10201C;
  --ink-light:#1C5C4D;
  --clay:#C85B2E;
  --lemon:#D6EC4A;
  --paper:#F7F5F0;
  --card:#FFFFFF;
  --line:#E2DED6;
  --text:#171A19;
  --muted:#5C6360;
  --faint:#8C918E;
  --radius-card:6px;
  --radius-btn:4px;
  --radius-badge:2px;
  --shadow-hover:0 14px 30px -20px rgba(15,59,51,.35);
  --wrap:1240px;
  --gutter:24px;
  --nav-h:64px;
  --ease:cubic-bezier(.2,.8,.2,1);
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
svg{width:100%;height:100%;stroke:currentColor;fill:none}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  padding:13px 24px;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-primary:hover{background:var(--ink-light);border-color:var(--ink-light);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-light{background:#fff;color:var(--ink);border-color:#fff}
.btn-light:hover{background:var(--lemon);border-color:var(--lemon);color:var(--ink-deep);transform:translateY(-1px)}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost-light:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;color:var(--ink);
  cursor:pointer;transition:border-color .18s var(--ease),background-color .18s var(--ease)
}
.icon-btn svg{width:18px;height:18px;stroke-width:1.6;stroke-linecap:round}
.icon-btn:hover{border-color:var(--ink);background:var(--paper)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);
  position:relative;padding-bottom:2px;
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--clay);
  transition:width .22s var(--ease);
}
.link-arrow:hover::after{width:100%}
.link-arrow svg{width:14px;height:14px;stroke-width:1.8;transition:transform .22s var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- badges / tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:4px 9px;border-radius:var(--radius-badge);
  border:1px solid var(--clay);color:var(--clay);background:rgba(200,91,46,.06);
}
.badge-solid{background:var(--ink);border-color:var(--ink);color:#fff}
.tag{
  display:inline-block;font-size:13px;color:var(--muted);
  padding:6px 12px;border:1px solid var(--line);border-radius:var(--radius-badge);background:#fff;
  transition:border-color .18s var(--ease),color .18s var(--ease)
}
.tag:hover{border-color:var(--ink);color:var(--ink)}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--muted);text-transform:uppercase;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--clay);display:block}
.section-title{font-size:clamp(26px,3vw,36px);font-weight:800;letter-spacing:-.02em;line-height:1.2;margin-top:14px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(247,245,240,.92);
  backdrop-filter:saturate(1.2) blur(8px);
  border-bottom:1px solid transparent;
  transition:height .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:0 6px 20px -18px rgba(15,59,51,.6)}
.header-inner{display:flex;align-items:center;gap:28px;height:var(--nav-h);transition:height .2s var(--ease)}
.site-header.is-scrolled .header-inner{height:56px}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink);
}
.brand-mark svg{width:30px;height:30px;stroke:currentColor;fill:none;stroke-width:1.6}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16.5px;font-weight:800;letter-spacing:-.01em;color:var(--text)}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.14em;color:var(--faint);margin-top:3px}
.main-nav{flex:1 1 auto}
.main-nav ul{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.nav-link{
  position:relative;display:inline-block;padding:6px 0;font-size:14.5px;font-weight:500;color:var(--muted);
  transition:color .18s var(--ease)
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--clay);
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease)
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.header-tools{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;width:38px;height:38px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;color:var(--ink);cursor:pointer
}
.nav-toggle svg{width:20px;height:20px;stroke-width:1.6}
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,42,36,.5);opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:70
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);background:#fff;z-index:80;
  transform:translateX(101%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:24px 22px;overflow-y:auto
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{width:34px;height:34px;border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;color:var(--ink);cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.drawer-close svg{width:18px;height:18px;stroke-width:1.6}
.drawer nav ul{display:flex;flex-direction:column;gap:2px}
.drawer nav a{
  display:block;padding:15px 4px;font-size:17px;font-weight:600;border-bottom:1px solid var(--line);color:var(--text)
}
.drawer nav a.is-active{color:var(--clay)}
.drawer-foot{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:12px}
.drawer-foot .num{font-size:15px;font-weight:700;color:var(--ink)}
.drawer-foot small{color:var(--faint);font-size:13px}

/* ---------- page head / breadcrumb ---------- */
.page-band{
  background:var(--ink-deep);color:#fff;position:relative;overflow:hidden;
}
.page-band::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;opacity:.28;
}
.page-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,42,36,.72) 0%,rgba(15,59,51,.9) 100%);
}
.page-band .container{position:relative;z-index:2}
.band-inner{padding:34px 0 42px}
.crumb{display:flex;align-items:center;gap:9px;font-size:13px;color:rgba(255,255,255,.72);flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.75);transition:color .18s var(--ease)}
.crumb a:hover{color:var(--lemon)}
.crumb span.sep{opacity:.5}
.crumb .current{color:#fff;font-weight:600}
.band-title{
  margin-top:16px;font-size:clamp(28px,4vw,50px);font-weight:800;letter-spacing:-.02em;line-height:1.14;
  max-width:900px;
}
.band-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:20px;font-size:13px;letter-spacing:.04em;color:rgba(255,255,255,.82)}
.band-meta .dot{width:4px;height:4px;background:var(--clay);display:inline-block;border-radius:50%}

/* ---------- article layout ---------- */
.article-wrap{padding:56px 0 0}
.article-shell{max-width:820px;margin:0 auto}
.article-head{border-bottom:1px solid var(--line);padding-bottom:26px;margin-bottom:32px}
.article-head-line{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.article-kicker{display:flex;align-items:center;gap:12px;font-size:13px;letter-spacing:.06em;color:var(--muted)}
.share-group{display:flex;align-items:center;gap:8px}
.lead{
  margin-top:22px;font-size:17.5px;line-height:1.9;color:var(--muted);
  padding-left:18px;border-left:3px solid var(--clay);
}
.prose{font-size:17px;line-height:1.9;color:#202322}
.prose > * + *{margin-top:1.4em}
.prose h2{
  position:relative;font-size:26px;font-weight:800;letter-spacing:-.01em;line-height:1.35;
  margin-top:2.2em;padding-top:.1em;
}
.prose h2::before{content:"";display:block;width:24px;height:3px;background:var(--clay);margin-bottom:16px}
.prose h3{font-size:20px;font-weight:700;margin-top:1.8em;line-height:1.4}
.prose p{color:#2b2f2e}
.prose a{color:var(--ink);border-bottom:1px solid rgba(200,91,46,.5);transition:color .18s var(--ease),border-color .18s var(--ease)}
.prose a:hover{color:var(--clay);border-color:var(--clay)}
.prose strong{font-weight:700;color:var(--text)}
.prose ul,.prose ol{padding-left:1.2em}
.prose ul{list-style:none}
.prose ul li{position:relative;padding-left:18px;margin-top:.6em}
.prose ul li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;background:var(--ink)}
.prose ol{list-style:decimal;padding-left:1.4em}
.prose ol li{margin-top:.6em;padding-left:4px}
.prose ol li::marker{color:var(--clay);font-weight:700}
.prose blockquote{
  background:var(--card);border-left:3px solid var(--clay);padding:20px 24px;
  border-radius:0 var(--radius-card) var(--radius-card) 0;color:var(--muted);font-size:16px;
}
.prose blockquote p{color:var(--muted);margin:0}
.prose img{border-radius:var(--radius-card);width:100%}
.prose figure{margin:1.8em 0}
.prose figcaption{font-size:13px;color:var(--faint);text-align:center;margin-top:10px}
.prose table{width:100%;border-collapse:collapse;font-size:15px;margin:1.8em 0;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.prose th{background:var(--ink);color:#fff;font-weight:600;text-align:left;padding:12px 14px;font-size:14px;letter-spacing:.02em}
.prose td{padding:12px 14px;border-top:1px solid var(--line);vertical-align:top}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.article-foot{margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag-row .label{font-size:13px;letter-spacing:.12em;color:var(--faint);margin-right:4px}
.article-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:26px}
.empty-state{
  text-align:center;padding:72px 24px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card)
}
.empty-state svg{width:64px;height:64px;margin:0 auto 18px;color:var(--ink-light);stroke-width:1.4}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px}
.empty-state p{font-size:14px;color:var(--muted);margin-bottom:22px}

/* ---------- related ---------- */
.related-block{margin-top:72px;padding-top:48px;border-top:1px solid var(--line)}
.related-list{display:grid;gap:16px;margin-top:28px}
.related-item{
  display:flex;gap:18px;align-items:center;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:16px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease)
}
.related-item:hover{border-color:rgba(15,59,51,.35);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.related-thumb{width:96px;height:96px;flex-shrink:0;border-radius:var(--radius-btn);overflow:hidden;position:relative;background:var(--ink-light)}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.related-item:hover .related-thumb img{transform:scale(1.05)}
.related-body h3{font-size:17px;font-weight:700;line-height:1.45}
.related-body .meta{font-size:13px;color:var(--faint);margin-top:8px;letter-spacing:.04em}

/* ---------- CTA bar ---------- */
.cta-bar{background:var(--ink);color:#fff;margin-top:88px;position:relative;overflow:hidden}
.cta-bar::after{content:"";position:absolute;left:0;top:0;width:72px;height:3px;background:var(--lemon)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:76px 0;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.02em;line-height:1.25}
.cta-inner p{margin-top:14px;color:rgba(255,255,255,.72);font-size:15px;max-width:520px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-hint{margin-top:14px;font-size:13px;color:var(--lemon);letter-spacing:.04em}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-deep);color:#fff;padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.site-footer .brand-mark{color:#fff}
.site-footer .brand-text strong{color:#fff}
.site-footer .brand-text em{color:rgba(255,255,255,.55)}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:300px}
.footer-contact{margin-top:20px;display:flex;flex-direction:column;gap:6px;font-size:14px;color:rgba(255,255,255,.72)}
.footer-contact .num{font-size:19px;font-weight:700;color:#fff;letter-spacing:.02em}
.footer-col h4{font-size:13px;font-weight:700;letter-spacing:.12em;color:rgba(255,255,255,.95);margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--lemon);text-decoration:underline;text-underline-offset:3px}
.footer-note{font-size:13px;color:rgba(255,255,255,.6);line-height:1.8}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6)
}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom nav a:hover{color:var(--lemon)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 20px}
  .main-nav ul{gap:18px}
  .nav-link{font-size:14px}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-tools .icon-btn{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .related-thumb{width:84px;height:84px}
}
@media (max-width:767px){
  :root{--gutter:20px}
  body{font-size:15.5px}
  .band-inner{padding:24px 0 32px}
  .band-title{font-size:30px}
  .article-wrap{padding:36px 0 0}
  .prose{font-size:16.5px;line-height:1.85}
  .prose h2{font-size:22px}
  .lead{font-size:16px;padding-left:14px}
  .related-item{gap:14px;padding:14px}
  .related-thumb{width:72px;height:72px}
  .related-body h3{font-size:16px}
  .cta-inner{padding:56px 0;flex-direction:column;align-items:flex-start;gap:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .site-footer{padding:56px 0 24px}
}
@media (max-width:520px){
  .brand-text em{display:none}
  .brand-text strong{font-size:15px}
  .header-tools .btn-primary{display:none}
  .band-title{font-size:26px}
  .article-actions .btn{width:100%}
  .tag-row .label{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --green-900:#0A2A24;
  --green-800:#0F3B33;
  --green-600:#1C5C4D;
  --orange:#C85B2E;
  --lemon:#D6EC4A;
  --paper:#F7F5F0;
  --white:#FFFFFF;
  --line:#E2DED6;
  --ink:#171A19;
  --ink-2:#5C6360;
  --ink-3:#8C918E;
  --night:#10201C;
  --r-card:6px;
  --r-btn:4px;
  --r-badge:2px;
  --shadow-card:0 14px 30px -20px rgba(15,59,51,.35);
  --container:1240px;
  --ease:cubic-bezier(.2,.8,.2,1);
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:17px;line-height:1.8;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.22}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
dl,dd,dt{margin:0}
svg{display:block}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,245,240,.94);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease)}
.site-header .header-inner{display:flex;align-items:center;gap:24px;height:64px;transition:height 200ms var(--ease)}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 12px 26px -24px rgba(15,59,51,.6)}
.site-header.is-scrolled .header-inner{height:56px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:34px;height:34px;border:1px solid rgba(15,59,51,.25);border-radius:var(--r-card);display:grid;place-items:center;color:var(--green-800)}
.brand-mark svg{width:20px;height:20px;stroke:currentColor;fill:none}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.08em;color:var(--ink-3)}
.main-nav{margin-left:6px}
.main-nav ul{display:flex;align-items:center;gap:2px}
.nav-link{position:relative;display:block;padding:8px 12px;font-size:14px;font-weight:600;color:var(--ink-2);border-radius:var(--r-btn);transition:color 180ms var(--ease)}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:-4px;height:2px;background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform 220ms var(--ease)}
.nav-link:hover{color:var(--green-800)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--green-800)}
.nav-link.is-active::after{transform:scaleX(1)}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--line);border-radius:var(--r-btn);cursor:pointer;color:var(--ink-2);transition:border-color 180ms var(--ease),color 180ms var(--ease)}
.icon-btn:hover{border-color:var(--green-800);color:var(--green-800)}
.icon-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5}
.nav-toggle{display:none;width:36px;height:36px;place-items:center;border:1px solid var(--line);border-radius:var(--r-btn);cursor:pointer;color:var(--green-800)}
.nav-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6}
.nav-overlay{position:fixed;inset:0;background:rgba(10,42,36,.45);opacity:0;visibility:hidden;transition:opacity 240ms var(--ease);z-index:70}
.nav-overlay.is-open{opacity:1;visibility:visible}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;font-size:15px;font-weight:700;letter-spacing:.01em;border-radius:var(--r-btn);border:1px solid transparent;cursor:pointer;transition:background-color 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease),transform 180ms var(--ease),opacity 180ms var(--ease)}
.btn-primary{background:var(--green-800);color:#fff}
.btn-primary:hover{background:var(--green-600);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-secondary{background:transparent;border-color:var(--green-800);color:var(--green-800)}
.btn-secondary:hover{background:var(--green-800);color:#fff;transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;transform:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--green-800);background-image:linear-gradient(var(--green-800),var(--green-800));background-size:0% 1px;background-position:0 100%;background-repeat:no-repeat;transition:background-size 220ms var(--ease)}
.link-arrow:hover{background-size:100% 1px}
.link-arrow svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;transition:transform 220ms var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--green-900);color:#fff;padding:76px 0 80px;min-height:400px;display:flex;align-items:center}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(10,42,36,.95) 0%,rgba(10,42,36,.84) 46%,rgba(10,42,36,.55) 100%)}
.hero-inner{position:relative;z-index:1;max-width:780px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:26px}
.crumb a:hover{color:var(--lemon)}
.crumb .sep{color:rgba(255,255,255,.32)}
.crumb .current{color:rgba(255,255,255,.86)}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;letter-spacing:.12em;color:rgba(255,255,255,.78)}
.hero-eyebrow::before{content:"";width:24px;height:2px;background:var(--orange)}
.page-hero h1{margin-top:20px;font-size:clamp(32px,5vw,60px);line-height:1.1;color:#fff}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.8);max-width:640px}
.hero-actions{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px}
.hero-actions .btn-primary{background:var(--lemon);color:var(--green-900)}
.hero-actions .btn-primary:hover{background:#e2f46c;color:var(--green-900)}
.hero-actions .btn-secondary{border-color:rgba(255,255,255,.55);color:#fff}
.hero-actions .btn-secondary:hover{background:#fff;border-color:#fff;color:var(--green-800)}
.hero-stats{margin-top:42px;display:flex;flex-wrap:wrap}
.hero-stat{padding:0 30px;border-left:1px solid rgba(255,255,255,.18)}
.hero-stat:first-child{padding-left:0;border-left:0}
.hero-stat b{display:block;font-size:32px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:#fff;line-height:1.2}
.hero-stat span{font-size:13px;letter-spacing:.04em;color:rgba(255,255,255,.65)}

/* ---------- section ---------- */
.section{padding:96px 0}
.section-alt{background:var(--white)}
.section-head{max-width:780px;margin-bottom:44px}
.section-head--tight{margin-bottom:0}
.sec-label{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--orange);margin-bottom:14px}
.sec-label::before{content:"";width:24px;height:2px;background:var(--orange)}
.section-head h2{font-size:clamp(26px,3vw,38px);line-height:1.2}
.sec-desc{margin-top:16px;font-size:16px;color:var(--ink-2);max-width:700px}

/* ---------- grid ---------- */
.g12{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.c3{grid-column:span 3}
.c4{grid-column:span 4}
.c5{grid-column:span 5}
.c6{grid-column:span 6}
.c7{grid-column:span 7}
.c8{grid-column:span 8}
.c12{grid-column:span 12}
.stack{display:flex;flex-direction:column;gap:24px}

/* ---------- cards ---------- */
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease),transform 180ms var(--ease)}
.card:hover{border-color:rgba(15,59,51,.28);box-shadow:var(--shadow-card);transform:translateY(-2px)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:rgba(15,59,51,.12)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,59,51,.06),rgba(15,59,51,.3))}
.card-body{padding:24px}
.card-body h3{font-size:21px;line-height:1.35}
.card-body p{margin-top:12px;font-size:15px;color:var(--ink-2)}
.card-flat{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease),transform 180ms var(--ease)}
.card-flat:hover{border-color:rgba(15,59,51,.28);box-shadow:var(--shadow-card);transform:translateY(-2px)}
.card-flat h3{margin-top:16px;font-size:19px}
.card-flat p{margin-top:10px;font-size:15px;color:var(--ink-2)}
.icon-badge{width:40px;height:40px;border-radius:var(--r-badge);display:grid;place-items:center;background:rgba(15,59,51,.07);color:var(--green-800)}
.icon-badge svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6}
.media-badge{position:absolute;top:14px;left:14px;z-index:2}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;font-size:12px;font-weight:700;letter-spacing:.06em;border-radius:var(--r-badge);background:rgba(200,91,46,.1);color:var(--orange);border:1px solid rgba(200,91,46,.35)}
.badge-solid{background:var(--green-800);border-color:var(--green-800);color:#fff}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{font-size:13px;padding:4px 10px;border:1px solid var(--line);border-radius:var(--r-badge);color:var(--ink-2)}
.notice-list{margin-top:28px;display:grid;gap:14px}
.notice-list li{position:relative;padding-left:20px;font-size:15px;color:var(--ink-2)}
.notice-list li::before{content:"";position:absolute;left:0;top:12px;width:8px;height:2px;background:var(--orange)}

/* ---------- form ---------- */
.form-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:32px}
.form-card h3{font-size:22px}
.form-hint{margin-top:10px;font-size:14px;color:var(--ink-3)}
.field{margin-top:20px}
.field label{display:block;font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--ink-2);margin-bottom:8px}
.field input[type="text"],.field input[type="tel"],.field input[type="password"]{width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:var(--r-btn);background:var(--white);font-size:15px;transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease)}
.field input::placeholder{color:var(--ink-3)}
.field input:focus{outline:none;border-color:var(--green-800);box-shadow:0 0 0 3px rgba(15,59,51,.1)}
.field-row{display:grid;grid-template-columns:1fr 152px;gap:12px}
.field-note{margin-top:8px;font-size:13px;color:var(--ink-3)}
.field-error input{border-color:var(--orange)}
.field-error .field-note{color:var(--orange)}
.check-row{display:flex;align-items:center;gap:10px;margin-top:20px;font-size:14px;color:var(--ink-2);cursor:pointer}
.check-row input{width:16px;height:16px;accent-color:var(--green-800)}
.form-links{display:flex;flex-wrap:wrap;gap:18px;margin-top:20px;font-size:14px}
.form-links a{color:var(--green-800);font-weight:600;border-bottom:1px solid rgba(15,59,51,.25);transition:border-color 180ms var(--ease)}
.form-links a:hover{border-bottom-color:var(--green-800)}
.form-foot{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3)}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:38px}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:rgba(15,59,51,.14)}
.tl-item{position:relative;padding-bottom:38px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-33px;top:9px;width:12px;height:12px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 4px var(--paper)}
.tl-num{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--ink-3);font-variant-numeric:tabular-nums}
.tl-item h3{margin-top:8px;font-size:21px}
.tl-item p{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:760px}

/* ---------- scenes ---------- */
.scene-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;display:flex;flex-direction:column;transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease),transform 180ms var(--ease)}
.scene-card:hover{border-color:rgba(15,59,51,.28);box-shadow:var(--shadow-card);transform:translateY(-2px)}
.scene-card h3{font-size:20px}
.scene-card ul{margin-top:16px;display:grid;gap:10px}
.scene-card li{position:relative;padding-left:16px;font-size:14px;color:var(--ink-2)}
.scene-card li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;background:var(--orange)}
.scene-card .scene-note{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3)}

/* ---------- spec list ---------- */
.spec-list{border-top:1px solid var(--line)}
.spec-row{display:grid;grid-template-columns:250px 1fr;gap:24px;padding:20px 0;border-bottom:1px solid var(--line)}
.spec-row dt{font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--ink-2)}
.spec-row dd{font-size:15px;color:var(--ink)}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line);max-width:920px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 0;text-align:left;font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--ink);cursor:pointer;transition:color 180ms var(--ease)}
.faq-q:hover{color:var(--green-800)}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 18px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--orange);transition:transform 220ms var(--ease)}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 220ms var(--ease)}
.faq-a p{padding:0 0 24px;font-size:16px;line-height:1.8;color:var(--ink-2);max-width:840px}

/* ---------- cta ---------- */
.cta-band{position:relative;background:var(--green-800);color:#fff;padding:88px 0;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-130px;top:-130px;width:380px;height:380px;border:1px solid rgba(214,236,74,.25);border-radius:50%}
.cta-grid{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(24px,3vw,34px);color:#fff}
.cta-band p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.76);max-width:540px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-actions .btn-primary{background:#fff;color:var(--green-800)}
.cta-actions .btn-primary:hover{background:var(--lemon);color:var(--green-900)}
.cta-actions .btn-secondary{border-color:rgba(255,255,255,.55);color:#fff}
.cta-actions .btn-secondary:hover{background:#fff;border-color:#fff;color:var(--green-800)}
.cta-line{width:56px;height:2px;background:var(--lemon);margin-top:26px}

/* ---------- footer ---------- */
.site-footer{background:var(--green-900);color:rgba(255,255,255,.72);padding:72px 0 32px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand p{margin-top:18px;max-width:310px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62)}
.site-footer .brand-mark{border-color:rgba(255,255,255,.22);color:var(--lemon)}
.site-footer .brand-text strong{color:#fff}
.site-footer .brand-text em{color:rgba(255,255,255,.5)}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:6px;font-size:14px;color:rgba(255,255,255,.62)}
.footer-contact .num{font-size:20px;font-weight:800;letter-spacing:.02em;font-variant-numeric:tabular-nums;color:#fff}
.footer-col h4{font-size:13px;font-weight:700;letter-spacing:.12em;color:rgba(255,255,255,.92)}
.footer-col ul{margin-top:18px;display:grid;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);transition:color 180ms var(--ease)}
.footer-col a:hover{color:var(--lemon);text-decoration:underline}
.footer-note{font-size:13px;line-height:1.8;color:rgba(255,255,255,.55)}
.footer-bottom{margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:rgba(255,255,255,.52)}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a:hover{color:var(--lemon)}

/* ---------- motion & states ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 320ms var(--ease),transform 320ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.img-fallback{display:grid;place-items:center;background:rgba(15,59,51,.1);color:var(--green-800);font-size:13px;min-height:140px}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important;transition:none!important}
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 22px}
  .nav-link{padding:8px 10px;font-size:13.5px}
}
@media (max-width:1023px){
  .main-nav{position:fixed;top:0;right:0;height:100vh;width:300px;max-width:86vw;background:var(--paper);border-left:1px solid var(--line);padding:88px 24px 32px;transform:translateX(102%);transition:transform 260ms var(--ease);z-index:80;overflow-y:auto;margin-left:0}
  .main-nav.is-open{transform:none;box-shadow:-24px 0 60px -30px rgba(10,42,36,.55)}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{font-size:18px;font-weight:700;padding:14px 8px}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--orange)}
  .nav-toggle{display:grid}
  .icon-btn{display:none}
  body.nav-open{overflow:hidden}
  .c3,.c4,.c5,.c7,.c8{grid-column:span 12}
  .c6{grid-column:span 6}
  .g12{gap:20px}
  .section{padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .spec-row{grid-template-columns:190px 1fr}
}
@media (max-width:767px){
  body{font-size:16px}
  .brand-text em{display:none}
  .brand-text strong{font-size:15px}
  .page-hero{padding:56px 0 60px;min-height:340px}
  .hero-sub{font-size:16px}
  .hero-stats{margin-top:32px;display:grid;grid-template-columns:1fr 1fr;gap:20px}
  .hero-stat{padding:0;border-left:0}
  .hero-stat b{font-size:26px}
  .section{padding:48px 0}
  .section-head{margin-bottom:32px}
  .card-body,.form-card,.card-flat,.scene-card{padding:18px}
  .field-row{grid-template-columns:1fr}
  .c6{grid-column:span 12}
  .timeline{padding-left:30px}
  .timeline::before{left:5px}
  .tl-item::before{left:-29px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:56px 0}
  .footer-bottom{margin-top:36px;flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .spec-row{grid-template-columns:1fr;gap:6px}
  .faq-q{font-size:17px}
}

/* roulang page: category2 */
:root{
  --green-900:#0A2A24;
  --green-800:#0F3B33;
  --green-600:#1C5C4D;
  --clay:#C85B2E;
  --lemon:#D6EC4A;
  --paper:#F7F5F0;
  --white:#FFFFFF;
  --line:#E2DED6;
  --ink:#171A19;
  --ink-2:#5C6360;
  --ink-3:#8C918E;
  --radius-card:6px;
  --radius-btn:4px;
  --radius-badge:2px;
  --shadow-hover:0 14px 30px -20px rgba(15,59,51,.35);
  --maxw:1240px;
  --nav-h:64px;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.18;color:var(--ink)}
p{margin:0}
ul,ol,dl,dd{margin:0;padding:0}
li{list-style:none}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
img{max-width:100%;display:block;border-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(247,245,240,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(160%) blur(10px);
  transition:box-shadow .22s var(--ease),background .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 26px -24px rgba(15,59,51,.5);background:rgba(247,245,240,.98)}
.header-inner{display:flex;align-items:center;gap:28px;height:var(--nav-h);transition:height .22s var(--ease)}
.site-header.is-scrolled .header-inner{height:56px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{width:34px;height:34px;display:grid;place-items:center;border:1px solid var(--green-800);border-radius:var(--radius-badge);color:var(--green-800)}
.brand-mark svg{width:22px;height:22px;stroke:currentColor;fill:none}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--green-800)}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.14em;color:var(--ink-3);margin-top:3px}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-block;padding:10px 12px;font-size:14.5px;font-weight:500;color:var(--ink-2);
  transition:color .18s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--clay);
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--green-800)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--green-800);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.header-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:16px}
.icon-btn{
  width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--line);border-radius:var(--radius-btn);
  color:var(--ink-2);background:var(--white);transition:border-color .18s var(--ease),color .18s var(--ease);
}
.icon-btn svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round}
.icon-btn:hover{border-color:var(--green-800);color:var(--green-800)}
.nav-toggle{display:none;width:38px;height:38px;place-items:center;border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--white);color:var(--green-800)}
.nav-toggle svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.6}
.nav-mask{position:fixed;inset:0;background:rgba(10,42,36,.55);opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s;z-index:95}
.nav-mask.is-open{opacity:1;visibility:visible}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;font-size:15px;font-weight:700;border-radius:var(--radius-btn);
  border:1px solid transparent;cursor:pointer;transition:all .18s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--green-800);color:#fff}
.btn-primary:hover{background:var(--green-600);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:var(--green-800);color:var(--green-800);background:transparent}
.btn-ghost:hover{background:var(--green-800);color:#fff}
.btn-light{background:#fff;color:var(--green-800)}
.btn-light:hover{background:var(--paper);transform:translateY(-1px)}
.btn-outline-light{border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn[disabled]{opacity:.45;pointer-events:none}
.btn.is-done{background:var(--green-600)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--green-800);
  background-image:linear-gradient(var(--clay),var(--clay));background-size:0 1px;background-repeat:no-repeat;
  background-position:0 100%;transition:background-size .22s var(--ease),color .18s var(--ease);
}
.link-arrow svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;transition:transform .22s var(--ease)}
.link-arrow:hover{background-size:100% 1px}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- Page hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--green-900);color:#fff}
.page-hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.62}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,42,36,.94) 0%,rgba(10,42,36,.78) 48%,rgba(15,59,51,.62) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:calc(var(--nav-h) + 52px) 0 62px;min-height:360px;display:flex;flex-direction:column;justify-content:flex-end}
.page-hero .eyebrow{color:rgba(255,255,255,.78)}
.page-hero h1{color:#fff;font-size:clamp(34px,4.6vw,58px);margin-top:18px;max-width:15em}
.page-hero-sub{margin-top:18px;font-size:18px;line-height:1.75;color:rgba(255,255,255,.82);max-width:44em}
.page-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:0;margin-top:36px;border-top:1px solid rgba(255,255,255,.22);padding-top:22px}
.hero-facts li{padding-right:34px;margin-right:34px;border-right:1px solid rgba(255,255,255,.22)}
.hero-facts li:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-facts .fact-num{display:block;font-family:"Noto Sans SC",system-ui,sans-serif;font-size:30px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:#fff}
.hero-facts .fact-label{display:block;margin-top:4px;font-size:13px;letter-spacing:.06em;color:rgba(255,255,255,.7)}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:4px}
.breadcrumb a:hover{color:var(--lemon)}
.breadcrumb span.sep{opacity:.6}
.breadcrumb .current{color:#fff}

.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--ink-2)}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--clay);flex:0 0 auto}

/* ---------- Sections ---------- */
.section{padding:96px 0}
.section-alt{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-dark{background:var(--green-800);color:#fff}
.section-dark h2,.section-dark h3{color:#fff}
.section-dark p{color:rgba(255,255,255,.78)}
.section-head{max-width:780px;margin-bottom:44px}
.section-head h2{font-size:clamp(28px,3.4vw,38px);margin-top:16px}
.section-head p{margin-top:16px;color:var(--ink-2);font-size:17px;line-height:1.85}
.section-dark .section-head p{color:rgba(255,255,255,.76)}

/* ---------- Venue cards ---------- */
.venue-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.venue-card{
  grid-column:span 6;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.venue-card.is-wide{grid-column:span 7}
.venue-card.is-narrow{grid-column:span 5}
.venue-card:hover{border-color:rgba(15,59,51,.32);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.venue-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:rgba(15,59,51,.12)}
.venue-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.venue-card:hover .venue-media img{transform:scale(1.03)}
.venue-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,59,51,0) 40%,rgba(15,59,51,.34) 100%)}
.venue-status{
  position:absolute;top:14px;right:14px;z-index:2;
  padding:5px 10px;font-size:12px;font-weight:700;letter-spacing:.04em;
  color:#fff;background:rgba(15,59,51,.86);border-radius:var(--radius-badge);
}
.venue-status.clay{background:var(--clay)}
.venue-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.venue-body h3{font-size:21px;font-weight:700;line-height:1.35}
.venue-body p{font-size:15px;color:var(--ink-2);line-height:1.8}
.venue-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.venue-tags li{
  font-size:12.5px;font-weight:600;letter-spacing:.02em;color:var(--green-800);
  border:1px solid var(--line);background:var(--paper);border-radius:var(--radius-badge);padding:5px 9px;
}
.venue-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 24px 24px}
.venue-foot .price{font-size:14px;color:var(--ink-2)}
.venue-foot .price b{font-size:19px;color:var(--green-800);font-variant-numeric:tabular-nums}

/* ---------- Flow timeline ---------- */
.flow-wrap{display:grid;grid-template-columns:repeat(12,1fr);gap:48px;align-items:start}
.flow-left{grid-column:span 4}
.flow-right{grid-column:span 8}
.flow-timeline{position:relative;padding-left:30px}
.flow-timeline::before{content:"";position:absolute;left:6px;top:10px;bottom:10px;width:2px;background:rgba(255,255,255,.22)}
.flow-item{position:relative;padding-bottom:34px}
.flow-item:last-child{padding-bottom:0}
.flow-item::before{
  content:"";position:absolute;left:-30px;top:7px;width:12px;height:12px;border-radius:50%;
  background:var(--clay);box-shadow:0 0 0 4px rgba(200,91,46,.18);
}
.flow-no{display:block;font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--lemon);font-variant-numeric:tabular-nums}
.flow-item h3{font-size:19px;margin-top:6px;color:#fff}
.flow-item p{margin-top:8px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.76)}
.flow-note{
  border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-card);padding:24px;background:rgba(10,42,36,.4);
}
.flow-note h3{font-size:17px;color:var(--lemon);letter-spacing:.02em}
.flow-note ul{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.flow-note li{position:relative;padding-left:18px;font-size:14.5px;color:rgba(255,255,255,.78)}
.flow-note li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;background:var(--clay)}
.flow-note .btn{margin-top:20px;width:100%}

/* ---------- Spec list + media ---------- */
.split{display:grid;grid-template-columns:repeat(12,1fr);gap:56px;align-items:center}
.split-media{grid-column:span 5;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);background:var(--white)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-body{grid-column:span 7}
.spec-list{margin-top:26px;border-top:1px solid var(--line)}
.spec-row{display:grid;grid-template-columns:190px 1fr;gap:24px;padding:17px 0;border-bottom:1px solid var(--line)}
.spec-row dt{font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--ink-3);padding-top:2px}
.spec-row dd{font-size:15px;color:var(--ink);line-height:1.75}

/* ---------- Scene cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);padding:28px;
  display:flex;flex-direction:column;gap:14px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.scene-card:hover{border-color:rgba(15,59,51,.32);box-shadow:var(--shadow-hover)}
.scene-idx{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--clay);font-variant-numeric:tabular-nums}
.scene-card h3{font-size:20px}
.scene-card p{font-size:15px;color:var(--ink-2);line-height:1.8}
.scene-card ul{margin-top:auto;display:flex;flex-wrap:wrap;gap:8px}
.scene-card ul li{font-size:12.5px;font-weight:600;color:var(--green-800);background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-badge);padding:5px 9px}

/* ---------- Related services ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{
  display:flex;gap:16px;align-items:center;background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:18px;transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.related-card:hover{border-color:rgba(15,59,51,.32);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.related-card img{width:88px;height:66px;object-fit:cover;border-radius:var(--radius-badge);flex:0 0 auto}
.related-card .rc-body{display:flex;flex-direction:column;gap:6px;min-width:0}
.related-card h3{font-size:16px;font-weight:700;line-height:1.4}
.related-card span{font-size:13px;color:var(--ink-3)}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:repeat(12,1fr);gap:48px;align-items:start}
.faq-side{grid-column:span 4}
.faq-side h2{font-size:clamp(26px,3vw,34px);margin-top:16px}
.faq-side p{margin-top:16px;font-size:15.5px;color:var(--ink-2);line-height:1.85}
.faq-list{grid-column:span 8;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;
  padding:22px 0;font-size:18px;font-weight:700;color:var(--ink);transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--green-600)}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 auto}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--clay);transition:transform .22s var(--ease),opacity .22s var(--ease)}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.faq-a p{padding:0 40px 24px 0;font-size:16px;line-height:1.85;color:var(--ink-2)}
.faq-item.is-open .faq-q{color:var(--green-800)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--green-800);color:#fff;padding:88px 0;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border:1px solid rgba(214,236,74,.18);border-radius:50%}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:36px}
.cta-copy{max-width:620px}
.cta-copy h2{color:#fff;font-size:clamp(26px,3.2vw,36px)}
.cta-copy p{margin-top:14px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.78)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cta-line{position:relative;z-index:2;width:48px;height:2px;background:var(--lemon);margin-top:28px}

/* ---------- Footer ---------- */
.site-footer{background:var(--green-900);color:rgba(247,245,240,.82);padding:72px 0 28px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.14)}
.footer-brand .brand{margin-bottom:18px}
.footer-brand .brand-mark{border-color:rgba(247,245,240,.5);color:#F7F5F0}
.footer-brand .brand-text strong{color:#F7F5F0}
.footer-brand .brand-text em{color:rgba(247,245,240,.55)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(247,245,240,.72);max-width:30em}
.footer-contact{display:flex;flex-direction:column;gap:6px;margin-top:18px;font-size:13.5px;color:rgba(247,245,240,.66)}
.footer-contact .num{font-size:20px;font-weight:800;color:#fff;letter-spacing:.01em}
.footer-col h4{font-size:13px;letter-spacing:.12em;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(247,245,240,.74);transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--lemon);text-decoration:underline}
.footer-note{font-size:13px;line-height:1.75;color:rgba(247,245,240,.6)}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;padding-top:22px;font-size:13px;color:rgba(247,245,240,.58)}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a:hover{color:var(--lemon)}

/* ---------- Motion ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .header-inner{gap:18px}
  .nav-link{padding:10px 9px;font-size:14px}
}
@media (max-width:1024px){
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;width:min(330px,86vw);z-index:100;
    background:var(--green-800);margin:0;padding:88px 26px 26px;
    transform:translateX(102%);transition:transform .26s var(--ease);overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0)}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{font-size:18px;font-weight:600;padding:15px 4px;color:rgba(255,255,255,.86);border-bottom:1px solid rgba(255,255,255,.12)}
  .nav-link::after{display:none}
  .nav-link:hover,.nav-link.is-active{color:var(--lemon)}
  .nav-toggle{display:grid}
  .header-tools .btn-sm{display:none}
  .split{gap:36px}
  .split-media,.split-body{grid-column:span 12}
  .flow-left,.flow-right{grid-column:span 12}
  .faq-side,.faq-list{grid-column:span 12}
  .scene-grid,.related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .brand-text em{display:none}
  .section{padding:52px 0}
  .section-head{margin-bottom:30px}
  .page-hero-inner{padding:calc(var(--nav-h) + 36px) 0 44px;min-height:300px}
  .page-hero-sub{font-size:16px}
  .hero-facts{gap:16px 0}
  .hero-facts li{padding-right:20px;margin-right:20px}
  .hero-facts .fact-num{font-size:24px}
  .venue-card,.venue-card.is-wide,.venue-card.is-narrow{grid-column:span 12}
  .venue-body{padding:18px}
  .venue-foot{padding:0 18px 18px}
  .scene-grid,.related-grid{grid-template-columns:1fr}
  .spec-row{grid-template-columns:1fr;gap:6px;padding:14px 0}
  .faq-q{font-size:16.5px;padding:18px 0}
  .faq-a p{padding-right:8px}
  .cta-band{padding:56px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  .page-hero h1{font-size:32px}
  .hero-facts{flex-direction:column;gap:16px}
  .hero-facts li{border-right:0;margin:0;padding:0;border-bottom:1px solid rgba(255,255,255,.18);padding-bottom:12px}
  .hero-facts li:last-child{border-bottom:0;padding-bottom:0}
  .btn{width:100%}
  .page-hero-actions{gap:10px}
  .related-card{flex-direction:column;align-items:flex-start}
  .related-card img{width:100%;height:140px}
}

/* roulang page: category3 */
:root{
  --green-900:#0A2A24;
  --green-800:#0F3B33;
  --green-600:#1C5C4D;
  --clay:#C85B2E;
  --lime:#D6EC4A;
  --paper:#F7F5F0;
  --white:#FFFFFF;
  --line:#E2DED6;
  --ink:#171A19;
  --ink-2:#5C6360;
  --ink-3:#8C918E;
  --r-card:6px;
  --r-btn:4px;
  --r-badge:2px;
  --shadow-hover:0 14px 30px -20px rgba(15,59,51,.35);
  --ease:cubic-bezier(.2,.8,.2,1);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
select,input,textarea{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.25}
p{margin:0}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.header-inner{display:flex;align-items:center;gap:28px;height:64px;transition:height .18s var(--ease)}
.site-header.is-scrolled{border-bottom-color:var(--line)}
.site-header.is-scrolled .header-inner{height:56px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;display:grid;place-items:center;flex:0 0 34px;
  color:var(--green-800);background:rgba(15,59,51,.06);
  border:1px solid var(--line);border-radius:var(--r-btn);
}
.brand-mark svg{width:20px;height:20px;stroke:currentColor;fill:none}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:15px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.06em;color:var(--ink-3)}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;display:inline-block;padding:4px 0;
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  transition:color .18s var(--ease);
}
.nav-link:hover{color:var(--green-800)}
.nav-link.is-active{color:var(--green-800)}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--clay);
}
.header-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;display:grid;place-items:center;
  border:1px solid var(--line);border-radius:var(--r-btn);color:var(--ink-2);
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.icon-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round}
.icon-btn:hover{border-color:var(--green-800);color:var(--green-800)}
.nav-toggle{
  display:none;width:38px;height:38px;place-items:center;
  border:1px solid var(--line);border-radius:var(--r-btn);color:var(--green-800);
}
.nav-toggle svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.6}
.nav-mask{
  display:none;position:fixed;inset:0;background:rgba(10,42,36,.42);z-index:65;
}
.nav-mask.is-open{display:block}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.btn-primary{background:var(--green-800);color:#fff}
.btn-primary:hover{background:var(--green-600);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border-color:var(--green-800);color:var(--green-800);background:transparent}
.btn-ghost:hover{background:var(--green-800);color:#fff}
.btn-light{background:#fff;color:var(--green-800)}
.btn-light:hover{background:var(--lime);color:var(--green-900)}
.btn-outline-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-outline-light:hover{background:#fff;color:var(--green-800)}
.btn-sm{height:36px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--green-800);
  background-image:linear-gradient(var(--green-800),var(--green-800));
  background-repeat:no-repeat;background-size:0 1px;background-position:0 100%;
  transition:background-size .24s var(--ease),color .18s var(--ease);
}
.btn-text:hover{background-size:100% 1px}
.btn-text svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.6;transition:transform .24s var(--ease)}
.btn-text:hover svg{transform:translateX(4px)}

/* ============ Hero 端头区 ============ */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  min-height:390px;display:flex;align-items:flex-end;
  padding:104px 0 60px;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,42,36,.72) 0%,rgba(10,42,36,.9) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:880px}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;letter-spacing:.04em;color:rgba(255,255,255,.68);margin-bottom:26px;
}
.breadcrumb a{color:rgba(255,255,255,.68);transition:color .18s var(--ease)}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{opacity:.5}
.page-hero h1{
  font-size:clamp(32px,4.6vw,56px);line-height:1.1;color:#fff;
}
.h1-eyebrow{
  display:block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--lime);margin-bottom:14px;
}
.hero-sub{
  margin-top:18px;font-size:17px;line-height:1.8;max-width:680px;
  color:rgba(255,255,255,.86);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* ============ 数据条 ============ */
.stat-bar-wrap{position:relative;z-index:5;margin-top:-44px}
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
}
.stat{padding:26px 24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat-num{
  display:block;font-size:40px;font-weight:800;line-height:1.1;
  color:var(--green-800);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-label{display:block;margin-top:6px;font-size:13px;letter-spacing:.04em;color:var(--ink-2)}

/* ============ 板块通用 ============ */
.section{padding:96px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:40px}
.section-label{
  font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--clay);
  margin-bottom:12px;display:flex;align-items:center;gap:10px;
}
.section-label::before{content:"";width:24px;height:2px;background:var(--clay)}
.section-head h2{font-size:clamp(26px,3.2vw,40px)}
.section-lead{margin-top:16px;font-size:17px;color:var(--ink-2);max-width:660px}
.section-top{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-bottom:40px}

/* ============ 栅格与卡片 ============ */
.grid-12{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.span-7{grid-column:span 7}
.span-5{grid-column:span 5}
.span-12{grid-column:span 12}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.card:hover{border-color:rgba(15,59,51,.28);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:rgba(15,59,51,.08)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,59,51,.05) 0%,rgba(15,59,51,.32) 100%);
}
.card-media .badge{position:absolute;top:14px;left:14px;z-index:2}
.card-body{padding:24px}
.card-body h3{font-size:22px;margin-bottom:10px}
.card-body p{font-size:15.5px;color:var(--ink-2)}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 8px;
  border:1px solid rgba(200,91,46,.5);color:var(--clay);background:rgba(200,91,46,.08);
  border-radius:var(--r-badge);font-size:12px;font-weight:600;letter-spacing:.04em;
}
.badge-light{background:#fff;border-color:transparent;color:var(--green-800)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  font-size:12.5px;color:var(--ink-2);background:var(--paper);
  border:1px solid var(--line);border-radius:var(--r-badge);padding:3px 9px;
}
.card-wide{grid-column:span 12;display:grid;grid-template-columns:5fr 7fr;align-items:stretch}
.card-wide .card-media{aspect-ratio:auto;min-height:280px;height:100%}
.card-wide .card-body{padding:34px 36px;display:flex;flex-direction:column;justify-content:center}
.card-wide-rev{grid-template-columns:7fr 5fr}
.card-wide-rev .card-media{order:2}
.card-wide-rev .card-body{order:1}
.meta-list{margin-top:18px;border-top:1px solid var(--line)}
.meta-list li{
  display:flex;justify-content:space-between;gap:18px;
  padding:10px 0;border-bottom:1px solid var(--line);font-size:14.5px;
}
.meta-list li span:first-child{font-size:13px;letter-spacing:.04em;color:var(--ink-3)}
.meta-list li span:last-child{font-weight:600;color:var(--ink);text-align:right}
.card-actions{margin-top:22px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}

/* ============ 报名流程 ============ */
.steps{position:relative;max-width:900px}
.steps::before{content:"";position:absolute;left:5px;top:10px;bottom:10px;width:2px;background:var(--line)}
.step{position:relative;padding:0 0 36px 34px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:0;top:7px;width:12px;height:12px;border-radius:50%;
  background:var(--clay);box-shadow:0 0 0 4px rgba(200,91,46,.12);
}
.step-num{
  font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--clay);
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:20px;margin:8px 0 8px}
.step p{font-size:15.5px;color:var(--ink-2);max-width:660px}

/* ============ 组别矩阵 ============ */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.plan{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:28px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.plan:hover{border-color:rgba(15,59,51,.28);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.plan-featured{border-color:var(--green-800)}
.plan-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.plan-name{font-size:22px;font-weight:800}
.plan-sub{margin-top:6px;font-size:13px;letter-spacing:.06em;color:var(--ink-3)}
.plan-price{
  margin:20px 0 0;font-size:34px;font-weight:800;line-height:1.15;
  color:var(--green-800);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.plan-price small{font-size:14px;font-weight:600;color:var(--ink-2);letter-spacing:0}
.plan-desc{margin-top:12px;font-size:14.5px;color:var(--ink-2)}
.plan-list{margin-top:22px;border-top:1px solid var(--line)}
.plan-list li{
  display:flex;justify-content:space-between;gap:16px;
  padding:12px 0;border-bottom:1px solid var(--line);font-size:14.5px;
}
.plan-list li span:first-child{font-size:13px;letter-spacing:.04em;color:var(--ink-3)}
.plan-list li span:last-child{font-weight:600;text-align:right}
.plan .btn{margin-top:24px}

/* ============ 表单 ============ */
.form-section{background:var(--green-900);color:#fff;position:relative;overflow:hidden}
.form-section::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;opacity:.14;
}
.form-layout{position:relative;z-index:2;display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.form-intro h2{font-size:clamp(26px,3.2vw,38px);color:#fff}
.form-intro p{margin-top:18px;color:rgba(255,255,255,.78);font-size:16px;max-width:420px}
.form-points{margin-top:28px;display:grid;gap:12px}
.form-points li{display:flex;gap:10px;font-size:15px;color:rgba(255,255,255,.8)}
.form-points li::before{content:"";width:6px;height:6px;margin-top:11px;background:var(--lime);flex:0 0 6px;border-radius:1px}
.form-card{
  background:#fff;border-radius:var(--r-card);padding:34px;
  display:grid;grid-template-columns:1fr 1fr;gap:20px;color:var(--ink);
}
.field{display:flex;flex-direction:column;gap:8px}
.field-full{grid-column:1/-1}
.field label{font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--ink-2)}
.field input,.field select,.field textarea{
  border:1px solid var(--line);border-radius:var(--r-btn);
  padding:14px 16px;font-size:15px;background:#fff;color:var(--ink);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);width:100%;
}
.field textarea{min-height:112px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--green-800);box-shadow:0 0 0 3px rgba(15,59,51,.10);
}
.field-note{font-size:13px;color:var(--ink-3)}
.field-error{font-size:13px;color:var(--clay);display:none}
.field.has-error input,.field.has-error select{border-color:var(--clay)}
.field.has-error .field-error{display:block}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--line);max-width:980px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:24px 0;text-align:left;font-size:19px;font-weight:700;letter-spacing:-.01em;
  color:var(--ink);transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--green-800)}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--clay);transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.faq-a-inner{padding:0 0 26px;font-size:16px;color:var(--ink-2);max-width:800px}

/* ============ 横向推荐 ============ */
.rail-wrap{position:relative}
.rail{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:10px;scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-card{
  flex:0 0 300px;scroll-snap-align:start;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.rail-card:hover{border-color:rgba(15,59,51,.28);box-shadow:var(--shadow-hover)}
.rail-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:rgba(15,59,51,.08)}
.rail-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.rail-card:hover .rail-media img{transform:scale(1.03)}
.rail-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,59,51,.05),rgba(15,59,51,.3))}
.rail-body{padding:20px}
.rail-body h3{font-size:17px;line-height:1.45;margin-bottom:8px}
.rail-body p{font-size:14px;color:var(--ink-2)}
.rail-meta{margin-top:14px;font-size:13px;letter-spacing:.04em;color:var(--ink-3)}
.rail-nav{display:flex;gap:10px}
.rail-btn{
  width:40px;height:40px;display:grid;place-items:center;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-btn);color:var(--green-800);
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.rail-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round}
.rail-btn:hover{border-color:var(--green-800)}
.rail-btn[disabled]{opacity:.45;cursor:not-allowed}
.rail-btn[disabled]:hover{border-color:var(--line)}

/* ============ 收藏/分享通栏 ============ */
.cta-band{background:var(--green-800);color:#fff;padding:84px 0;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.16;
}
.cta-inner{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;
  gap:44px;flex-wrap:wrap;
}
.cta-text{max-width:560px}
.cta-text h2{font-size:clamp(24px,3vw,34px);color:#fff}
.cta-text p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.78)}
.cta-line{width:56px;height:2px;background:var(--lime);margin-top:24px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--green-900);color:rgba(255,255,255,.78);padding:76px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-mark{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);color:#fff}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:rgba(255,255,255,.55)}
.footer-brand p{margin-top:18px;font-size:14.5px;max-width:310px;color:rgba(255,255,255,.72)}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:4px;font-size:13px;color:rgba(255,255,255,.6)}
.footer-contact .num{font-size:20px;font-weight:800;color:var(--lime);letter-spacing:.02em}
.footer-col h4{font-size:13px;letter-spacing:.12em;color:rgba(255,255,255,.94);margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--lime);text-decoration:underline}
.footer-note{font-size:13px;line-height:1.7;color:rgba(255,255,255,.55)}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom a:hover{color:var(--lime)}

/* ============ 进入视口动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .main-nav ul{gap:20px}
  .nav-link{font-size:14px}
}
@media (max-width:1023px){
  .nav-toggle{display:grid}
  .main-nav{
    position:fixed;top:0;right:0;height:100vh;width:min(340px,86vw);
    background:#fff;margin:0;padding:88px 24px 32px;z-index:70;overflow-y:auto;
    transform:translateX(102%);transition:transform .24s var(--ease);
    box-shadow:-24px 0 50px -34px rgba(10,42,36,.5);
  }
  .main-nav.is-open{transform:none}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:0}
  .main-nav li{border-bottom:1px solid var(--line)}
  .nav-link{display:block;padding:18px 0;font-size:17px}
  .nav-link.is-active{color:var(--clay)}
  .nav-link.is-active::after{display:none}
  .span-7,.span-5{grid-column:span 12}
  .card-wide,.card-wide-rev{grid-template-columns:1fr}
  .card-wide .card-media,.card-wide-rev .card-media{order:1;min-height:238px;height:238px}
  .card-wide .card-body,.card-wide-rev .card-body{order:2;padding:26px 24px}
  .plan-grid{grid-template-columns:1fr}
  .form-layout{grid-template-columns:1fr;gap:36px}
  .stat-bar{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2n){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .section{padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .page-hero{padding:88px 0 52px;min-height:340px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .icon-btn{display:none}
  .page-hero{padding:72px 0 44px;min-height:320px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{flex:1 1 100%}
  .stat-bar-wrap{margin-top:-32px}
  .stat{padding:20px 16px}
  .stat-num{font-size:30px}
  .section{padding:48px 0}
  .section-top{margin-bottom:28px}
  .card-body{padding:18px}
  .card-body h3{font-size:19px}
  .card-wide .card-body{padding:20px 18px}
  .plan{padding:22px}
  .form-card{padding:22px;grid-template-columns:1fr}
  .rail-card{flex:0 0 250px}
  .rail-nav{display:none}
  .faq-q{font-size:17px;padding:20px 0}
  .cta-band{padding:56px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:480px){
  .brand-text em{display:none}
  .brand-text strong{font-size:14px}
  .header-inner{gap:14px}
  .header-tools .btn-sm{padding:0 12px;font-size:13px}
  .stat-bar{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .step{padding-left:28px}
  .meta-list li{flex-direction:column;gap:2px}
  .meta-list li span:last-child{text-align:left}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
/* ============ 设计变量 ============ */
:root{
  --ink:#0F3B33;
  --ink-dark:#0A2A24;
  --ink-light:#1C5C4D;
  --ink-deep:#10201C;
  --clay:#C85B2E;
  --lemon:#D6EC4A;
  --paper:#F7F5F0;
  --white:#FFFFFF;
  --line:#E2DED6;
  --text:#171A19;
  --muted:#5C6360;
  --faint:#8C918E;
  --radius-card:6px;
  --radius-btn:4px;
  --radius-badge:2px;
  --shadow-card:0 14px 30px -20px rgba(15,59,51,.35);
  --container:1240px;
  --ease:cubic-bezier(.2,.8,.2,1);
  --header-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.2}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
dl,dd,dt{margin:0}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px}
svg{stroke:currentColor;fill:none}
::selection{background:var(--lemon);color:var(--ink-dark)}

/* ============ 容器与通用 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--dark{background:var(--ink);color:#EDEFE9}
.section--dark .eyebrow{color:var(--lemon)}
.section-label{display:block;font-size:13px;letter-spacing:.12em;font-weight:500;text-transform:uppercase;color:var(--clay);margin-bottom:12px}
.section-label::before{content:"";display:inline-block;width:24px;height:2px;background:var(--clay);vertical-align:middle;margin-right:10px}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:38px;margin-bottom:16px}
.section-head p{color:var(--muted);font-size:16px;max-width:640px}
.section--dark .section-head p{color:#B9C6BF}
.num,.stat-num{font-variant-numeric:tabular-nums}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;white-space:nowrap;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-primary:hover{background:var(--ink-light);border-color:var(--ink-light);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:var(--lemon);color:var(--ink-dark);border-color:var(--lemon)}
.btn-light:hover{background:#E3F56B;border-color:#E3F56B;transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-outline-light:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--ink);
  background-image:linear-gradient(var(--clay),var(--clay));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 1px;
  padding-bottom:2px;transition:background-size .24s var(--ease),color .18s var(--ease);
}
.link-more:hover{background-size:100% 1px;color:var(--clay)}
.link-more svg{width:14px;height:14px;stroke-width:2;transition:transform .24s var(--ease)}
.link-more:hover svg{transform:translateX(4px)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:height .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease),background-color .24s var(--ease);
}
.site-header.is-compact{background:rgba(247,245,240,.98);border-bottom-color:var(--line);box-shadow:0 8px 24px -22px rgba(15,59,51,.6)}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:var(--header-h);
  transition:height .24s var(--ease);
}
.site-header.is-compact .header-inner{height:56px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;flex-shrink:0;border-radius:var(--radius-badge);
  background:var(--ink);color:var(--lemon);display:grid;place-items:center;
}
.brand-mark svg{width:20px;height:20px;stroke-width:1.6}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.08em;color:var(--faint)}
.main-nav{flex:1;min-width:0}
.main-nav ul{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:500;color:var(--muted);
  transition:color .18s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--clay);
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.header-tools{display:flex;align-items:center;gap:12px;flex-shrink:0}
.icon-btn{
  width:38px;height:38px;border-radius:var(--radius-btn);border:1px solid var(--line);
  display:grid;place-items:center;color:var(--muted);background:rgba(255,255,255,.6);
  transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);
}
.icon-btn svg{width:18px;height:18px;stroke-width:1.6}
.icon-btn:hover{color:var(--ink);border-color:var(--ink);background:#fff}
.nav-toggle{display:none;width:40px;height:40px;border-radius:var(--radius-btn);border:1px solid var(--line);color:var(--ink);place-items:center}
.nav-toggle svg{width:20px;height:20px;stroke-width:1.7}

/* 移动抽屉 */
.nav-drawer-mask{
  position:fixed;inset:0;background:rgba(10,42,36,.55);opacity:0;visibility:hidden;
  transition:opacity .26s var(--ease),visibility .26s var(--ease);z-index:70;
}
.nav-drawer-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);background:var(--paper);
  transform:translateX(102%);transition:transform .3s var(--ease);z-index:71;
  display:flex;flex-direction:column;padding:22px 22px 28px;overflow-y:auto;
  border-left:1px solid var(--line);
}
.nav-drawer.is-open{transform:translateX(0)}
.nav-drawer .drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-close{width:38px;height:38px;border:1px solid var(--line);border-radius:var(--radius-btn);display:grid;place-items:center;color:var(--ink)}
.drawer-close svg{width:18px;height:18px;stroke-width:1.7}
.drawer-links{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--line)}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 4px;border-bottom:1px solid var(--line);
  font-size:17px;font-weight:700;color:var(--ink);
}
.drawer-links a span{font-size:12px;font-weight:500;color:var(--faint);letter-spacing:.06em}
.drawer-links a.is-active{color:var(--clay)}
.drawer-cta{margin-top:26px}
.drawer-cta .btn{width:100%}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--paper);border-bottom:1px solid var(--line)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:14px 0}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--ink)}
.crumb .sep{color:var(--faint)}
.crumb .current{color:var(--ink);font-weight:700}

/* ============ 分类首屏 ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--ink-dark) url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  color:#fff;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,42,36,.94) 0%,rgba(15,59,51,.82) 46%,rgba(10,42,36,.35) 100%);
}
.cat-hero .container{position:relative;z-index:2}
.cat-hero-inner{min-height:400px;display:flex;align-items:center;padding:72px 0 64px}
.cat-hero-copy{max-width:720px}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.12em;font-weight:500;color:var(--lemon);margin-bottom:20px;
}
.hero-tag::before{content:"";width:24px;height:2px;background:var(--clay)}
.cat-hero h1{font-size:60px;line-height:1.08;margin-bottom:20px;max-width:14em}
.cat-hero .sub{font-size:18px;line-height:1.85;color:#CBD8D1;max-width:34em}
.cat-hero .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.cat-hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.cat-hero .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:0;margin-top:44px;
  border-top:1px solid rgba(255,255,255,.18);padding-top:26px;
}
.hero-facts .fact{padding-right:34px;margin-right:34px;border-right:1px solid rgba(255,255,255,.18)}
.hero-facts .fact:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-facts .stat-num{display:block;font-size:36px;font-weight:800;letter-spacing:-.03em;color:#fff;line-height:1.1}
.hero-facts .stat-num i{font-style:normal;font-size:16px;font-weight:600;margin-left:4px;color:var(--lemon)}
.hero-facts .stat-label{font-size:13px;letter-spacing:.06em;color:#9FB3AA;margin-top:6px;display:block}
.cat-hero .hero-watermark{
  position:absolute;right:24px;top:24px;z-index:2;
  font-size:120px;font-weight:800;letter-spacing:-.06em;color:rgba(214,236,74,.14);
  font-variant-numeric:tabular-nums;line-height:1;pointer-events:none;
}

/* ============ 卡片通用 ============ */
.grid{display:grid;gap:24px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.split-7-5{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.split-4-6{display:grid;grid-template-columns:4fr 6fr;gap:48px;align-items:center}
.split-6-4{display:grid;grid-template-columns:6fr 4fr;gap:48px;align-items:center}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.card:hover{border-color:rgba(15,59,51,.35);box-shadow:var(--shadow-card)}
.card-num{
  font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--clay);
  font-variant-numeric:tabular-nums;display:block;margin-bottom:14px;
}
.card h3{font-size:21px;margin-bottom:12px}
.card p{color:var(--muted);font-size:15px}
.card-media{border-radius:var(--radius-card);overflow:hidden;position:relative;background:var(--ink-light)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,42,36,.05),rgba(10,42,36,.30))}
.card:hover .card-media img{transform:scale(1.03)}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  border:1px solid var(--clay);border-radius:var(--radius-badge);
  font-size:12px;font-weight:700;letter-spacing:.04em;color:var(--clay);
}
.tag-plain{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  background:rgba(15,59,51,.06);border-radius:var(--radius-badge);
  font-size:12px;font-weight:500;letter-spacing:.04em;color:var(--ink);
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

/* 权益卡带图 */
.benefit-card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.benefit-card .card-media{height:170px;border-radius:0}
.benefit-card .body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.benefit-card .body p{flex:1}

/* 等级阶梯 */
.tier-stack{display:flex;flex-direction:column;gap:24px}
.tier-lead{
  position:relative;overflow:hidden;border-radius:var(--radius-card);
  background:var(--ink);color:#EDEFE9;border:1px solid var(--ink-dark);
  padding:36px;display:flex;flex-direction:column;justify-content:space-between;min-height:100%;
}
.tier-lead h3{font-size:26px;color:#fff;margin-bottom:14px}
.tier-lead p{color:#B9C6BF;font-size:15px;max-width:30em}
.tier-lead .tier-list{margin-top:26px;border-top:1px solid rgba(255,255,255,.16)}
.tier-lead .tier-list li{
  display:flex;justify-content:space-between;gap:16px;
  padding:13px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:14px;color:#D8E1DB;
}
.tier-lead .tier-list li b{color:var(--lemon);font-weight:700;font-variant-numeric:tabular-nums}
.tier-mini{border-left:3px solid var(--clay)}
.tier-mini h3{font-size:19px}
.tier-mini .mini-note{
  display:flex;justify-content:space-between;font-size:13px;color:var(--faint);
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
}
.tier-mini .mini-note b{color:var(--ink);font-variant-numeric:tabular-nums}

/* ============ 流程时间轴 ============ */
.timeline{position:relative;margin-top:8px}
.timeline::before{content:"";position:absolute;left:19px;top:12px;bottom:12px;width:2px;background:var(--line)}
.tl-item{position:relative;padding:0 0 32px 64px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:8px;top:6px;width:24px;height:24px;border-radius:50%;
  background:var(--white);border:2px solid var(--clay);display:grid;place-items:center;
  font-size:11px;font-weight:800;color:var(--clay);font-variant-numeric:tabular-nums;
}
.tl-item h3{font-size:19px;margin-bottom:8px}
.tl-item p{color:var(--muted);font-size:15px;max-width:44em}
.tl-meta{font-size:13px;letter-spacing:.06em;color:var(--clay);font-weight:700;margin-bottom:6px;display:block}

/* ============ Z 型图文 ============ */
.zigzag-media{border-radius:var(--radius-card);overflow:hidden;position:relative;background:var(--ink-light);aspect-ratio:4/3}
.zigzag-media img{width:100%;height:100%;object-fit:cover}
.zigzag-media::after{content:"";position:absolute;inset:0;background:linear-gradient(150deg,rgba(10,42,36,.12),rgba(10,42,36,.38))}
.zigzag-copy h2{font-size:34px;margin-bottom:16px}
.zigzag-copy p{color:var(--muted);margin-bottom:16px}
.check-list{margin-top:8px}
.check-list li{
  position:relative;padding:9px 0 9px 26px;font-size:15px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.check-list li:last-child{border-bottom:0}
.check-list li::before{
  content:"";position:absolute;left:0;top:19px;width:12px;height:2px;background:var(--clay);
}

/* ============ 参数定义列表 ============ */
.spec-wrap{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.spec-row{display:grid;grid-template-columns:220px 1fr;gap:24px;padding:20px 28px;border-bottom:1px solid var(--line)}
.spec-row:last-child{border-bottom:0}
.spec-row dt{font-size:13px;letter-spacing:.08em;color:var(--faint);font-weight:700;padding-top:2px}
.spec-row dd{font-size:15px;color:var(--text)}
.spec-row dd span{font-variant-numeric:tabular-nums;font-weight:700;color:var(--ink)}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;font-size:19px;font-weight:700;color:var(--ink);
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--clay)}
.faq-icon{position:relative;width:18px;height:18px;flex-shrink:0}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--clay);transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.faq-a p{padding:0 0 24px;font-size:16px;line-height:1.85;color:var(--muted);max-width:60em}

/* ============ CTA 通栏 ============ */
.cta-band{background:var(--ink);color:#EDEFE9;padding:80px 0;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(214,236,74,.18),transparent 68%);
}
.cta-inner{position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px}
.cta-inner h2{font-size:32px;color:#fff;margin-bottom:10px}
.cta-inner p{color:#B9C6BF;font-size:15px;max-width:40em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-line{width:56px;height:2px;background:var(--lemon);margin-top:24px}

/* ============ 相关推荐横滚 ============ */
.rail-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:10px;scrollbar-width:thin}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.rail-card{
  flex:0 0 300px;scroll-snap-align:start;background:var(--white);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.rail-card:hover{border-color:rgba(15,59,51,.35);box-shadow:var(--shadow-card)}
.rail-card .card-media{height:150px;border-radius:0}
.rail-card .body{padding:18px 20px 22px}
.rail-card h3{font-size:17px;margin-bottom:8px}
.rail-card p{font-size:14px;color:var(--muted)}
.rail-nav{display:flex;gap:8px}
.rail-btn{
  width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius-btn);
  display:grid;place-items:center;color:var(--ink);background:var(--white);
  transition:background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.rail-btn svg{width:16px;height:16px;stroke-width:2}
.rail-btn:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.rail-btn[disabled]{opacity:.4;pointer-events:none}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#C6D2CB;padding:72px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:#8FA79C}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);color:var(--lemon)}
.footer-brand p{margin-top:18px;max-width:24em;line-height:1.85}
.footer-contact{margin-top:20px;display:flex;flex-direction:column;gap:6px}
.footer-contact .num{font-size:20px;font-weight:800;color:#fff;letter-spacing:.02em}
.footer-col h4{
  font-size:13px;letter-spacing:.12em;color:#fff;font-weight:700;
  margin-bottom:18px;text-transform:uppercase;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{border-bottom:1px solid transparent}
.footer-col a:hover{color:var(--lemon);border-bottom-color:var(--lemon)}
.footer-note{color:#8FA79C;font-size:13px;line-height:1.8}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:16px;
  align-items:center;justify-content:space-between;font-size:13px;color:#8FA79C;
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a:hover{color:var(--lemon)}

/* ============ 进场动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 24px}
  .cat-hero h1{font-size:48px}
  .section-head h2{font-size:33px}
  .main-nav ul{gap:20px}
  .nav-link{font-size:14px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .section--tight{padding:56px 0}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .split-7-5{grid-template-columns:1fr}
  .split-4-6,.split-6-4{grid-template-columns:1fr;gap:32px}
  .split-4-6 .zigzag-media{order:-1}
  .cat-hero h1{font-size:42px}
  .cat-hero-inner{min-height:auto;padding:64px 0 56px}
  .cat-hero .hero-watermark{font-size:88px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .main-nav{display:none}
  .nav-toggle{display:grid}
  .brand-text em{display:none}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:48px 0}
  .section-head{margin-bottom:28px}
  .section-head h2{font-size:27px}
  .cat-hero h1{font-size:34px;line-height:1.16}
  .cat-hero .sub{font-size:16px}
  .cat-hero .hero-watermark{display:none}
  .cat-hero .hero-actions .btn{flex:1 1 auto}
  .hero-facts{gap:20px 0;flex-direction:column;padding-top:22px}
  .hero-facts .fact{padding:0;margin:0;border-right:0}
  .hero-facts .stat-num{font-size:28px}
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
  .card{padding:20px}
  .benefit-card{padding:0}
  .tier-lead{padding:26px}
  .spec-row{grid-template-columns:1fr;gap:6px;padding:16px 20px}
  .faq-q{font-size:17px;padding:18px 0}
  .cta-band{padding:56px 0}
  .cta-inner h2{font-size:25px}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .rail-card{flex:0 0 260px}
  .rail-nav{display:none}
  .zigzag-copy h2{font-size:26px}
  .tl-item{padding-left:52px}
}
@media (max-width:520px){
  .brand-text strong{font-size:14px}
  .header-tools .btn-sm{display:none}
  .card h3{font-size:19px}
  .btn{width:100%}
  .header-tools .btn{width:auto}
  .hero-facts .stat-num{font-size:24px}
}