/* roulang page: index */
:root{
  --ink:#10140F;
  --lime:#C8F04A;
  --lime-deep:#A9D42F;
  --jade:#2E6B4F;
  --paper:#F6F5F0;
  --surface:#FFFFFF;
  --line:#E4E2D8;
  --body:#333A31;
  --muted:#6B7064;
  --warn:#E4572E;
  --r-lg:18px;
  --r-md:12px;
  --r-sm:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,20,15,.06);
  --sh-2:0 18px 40px -24px rgba(16,20,15,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:220ms;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
  --section-y:clamp(64px,9vw,128px);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--body);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--jade);text-decoration:none;transition:color var(--t) var(--ease);}
a:hover{color:var(--ink);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.2;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.grid-container{max-width:1200px;margin:0 auto;padding-left:2rem;padding-right:2rem;width:100%;}
.section{padding-top:var(--section-y);padding-bottom:var(--section-y);}
.section--tight{padding-top:clamp(48px,6vw,88px);padding-bottom:clamp(48px,6vw,88px);}
.section--surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{
  font-family:var(--mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--jade);
  display:inline-block;
  margin-bottom:14px;
}
.section-head{max-width:720px;margin-bottom:clamp(28px,4vw,48px);}
.section-head h2{font-size:clamp(1.75rem,3.2vw,2.75rem);font-weight:700;line-height:1.2;letter-spacing:-.01em;}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;}
.head-rule{width:48px;height:3px;background:var(--lime);margin-top:18px;border-radius:2px;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 30px;border-radius:var(--r-pill);
  font-weight:700;font-size:16px;line-height:1;border:1.5px solid transparent;
  transition:background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease),transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
  white-space:nowrap;
}
.btn svg{transition:transform 120ms var(--ease);}
.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.btn-primary:hover{background:var(--ink);color:var(--lime);border-color:var(--ink);}
.btn-primary:hover svg{transform:translateX(4px);}
.btn-primary:active{background:var(--lime-deep);border-color:var(--lime-deep);color:var(--ink);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--paper);}
.btn-ghost:active{background:#000;color:var(--paper);}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;}
.btn-sm{height:44px;padding:0 22px;font-size:15px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--ink);
  border-bottom:2px solid var(--lime);padding-bottom:4px;
  transition:border-color var(--t) var(--ease),color var(--t) var(--ease);
}
.link-arrow svg{transition:transform 120ms var(--ease);}
.link-arrow:hover{border-color:var(--ink);color:var(--ink);}
.link-arrow:hover svg{transform:translateX(4px);}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,245,240,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  position:relative;
  max-width:1200px;margin:0 auto;padding:0 2rem;
  height:76px;display:flex;align-items:center;justify-content:space-between;
}
.nav-side{display:flex;align-items:center;gap:30px;flex:1 1 0;}
.nav-side.right{justify-content:flex-end;}
.nav-link{
  position:relative;font-size:15.5px;font-weight:600;color:var(--ink);padding:6px 0;
  transition:color var(--t) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform var(--t) var(--ease);
}
.nav-link:hover{color:var(--jade);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);}
.nav-link.is-active::after{transform:scaleX(1);}
.brand{
  position:absolute;left:50%;transform:translateX(-50%);
  display:flex;align-items:center;gap:8px;
  font-weight:800;color:var(--ink);letter-spacing:-.01em;
}
.brand-main{font-size:19px;line-height:1;}
.brand-tag{
  font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:.06em;
  background:var(--ink);color:var(--lime);border-radius:var(--r-sm);padding:4px 7px;line-height:1;
}
.brand:hover{color:var(--ink);}
.nav-cta{height:44px;padding:0 22px;font-size:15px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--surface);align-items:center;justify-content:center;color:var(--ink);
}
.nav-toggle:hover{border-color:var(--lime);}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--ink);
  display:flex;flex-direction:column;
  transform:translateY(-100%);transition:transform 320ms var(--ease);
  visibility:hidden;
}
.drawer.is-open{transform:translateY(0);visibility:visible;}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;padding:0 1.25rem;border-bottom:1px solid rgba(255,255,255,.12);
}
.drawer-title{color:var(--paper);font-weight:800;font-size:17px;}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.2);
  background:transparent;color:var(--paper);display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{border-color:var(--lime);color:var(--lime);}
.drawer-nav{flex:1 1 auto;overflow-y:auto;}
.drawer-nav a{
  display:flex;align-items:center;height:56px;padding:0 1.25rem;
  color:var(--paper);font-size:16px;font-weight:600;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--lime);}
.drawer-foot{padding:16px 1.25rem 26px;border-top:1px solid rgba(255,255,255,.12);}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 460px at 88% -10%, rgba(200,240,74,.28), transparent 60%),
    var(--paper);
  border-bottom:1px solid var(--line);
}
.hero-inner{padding-top:clamp(48px,7vw,92px);padding-bottom:clamp(56px,8vw,104px);}
.hero-grid{min-height:78vh;align-items:center;}
.hero-copy h1{
  font-size:clamp(2.25rem,5.6vw,5rem);
  font-weight:800;line-height:1.05;letter-spacing:-.02em;
}
.hero-sub{margin-top:20px;font-size:clamp(17px,1.6vw,20px);color:var(--muted);max-width:22em;}
.hero-actions{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px;}
.metrics{
  margin-top:44px;display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);padding-top:22px;gap:16px;max-width:560px;
}
.metric{display:flex;flex-direction:column;gap:6px;}
.metric-k{font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--muted);}
.metric-v{font-family:var(--mono);font-size:15px;font-weight:700;color:var(--ink);}
.hero-visual{position:relative;padding:0;}
.visual-main{
  position:relative;z-index:2;margin:0;
  aspect-ratio:4/3;border-radius:var(--r-lg);overflow:hidden;
  background:var(--line);box-shadow:var(--sh-2);
}
.visual-main img{width:100%;height:100%;object-fit:cover;}
.visual-frame{
  position:absolute;z-index:1;top:24px;left:24px;right:-8px;bottom:-8px;
  border:1px solid var(--lime);border-radius:var(--r-lg);
}
.visual-card{
  position:absolute;z-index:3;right:-18px;bottom:-34px;margin:0;
  width:42%;aspect-ratio:16/9;border-radius:var(--r-md);overflow:hidden;
  background:var(--line);border:4px solid var(--paper);box-shadow:var(--sh-2);
}
.visual-card img{width:100%;height:100%;object-fit:cover;}

/* 三步上手 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);}
.step{padding-right:2.5rem;}
.step + .step{padding-left:2.5rem;border-left:1px solid var(--line);}
.step-num{
  display:block;font-family:var(--mono);font-size:clamp(56px,6vw,76px);font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px var(--ink);
  transform-origin:left bottom;
}
.step-rule{height:1px;background:var(--line);margin:20px 0 22px;}
.step h3{font-size:1.25rem;margin-bottom:12px;}
.step p{color:var(--muted);font-size:16px;}

/* 分类入口 */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;}
.cat-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.cat-card:hover,.cat-card:focus-within{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--sh-2);}
.cat-thumb{aspect-ratio:16/9;background:var(--line);overflow:hidden;margin:0;}
.cat-thumb img{width:100%;height:100%;object-fit:cover;}
.cat-body{padding:24px 24px 28px;display:flex;flex-direction:column;flex:1 1 auto;}
.cat-body h3{font-size:1.25rem;margin-bottom:10px;}
.cat-body p{color:var(--muted);font-size:15.5px;flex:1 1 auto;}
.cat-link{margin-top:20px;}

/* 案例证明 */
.cases{display:grid;grid-template-columns:repeat(12,1fr);gap:2rem;}
.case-card{
  grid-column:span 6;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.case-card:hover{border-color:var(--lime);box-shadow:var(--sh-2);}
.case-card:nth-child(1){grid-column:span 7;}
.case-card:nth-child(2){grid-column:span 5;}
.case-card:nth-child(3){grid-column:span 5;}
.case-card:nth-child(4){grid-column:span 7;}
.case-thumb{aspect-ratio:16/9;background:var(--line);margin:0;}
.case-thumb img{width:100%;height:100%;object-fit:cover;}
.case-body{padding:26px 26px 28px;display:flex;flex-direction:column;flex:1 1 auto;}
.case-quote{font-size:17px;color:var(--ink);font-weight:600;line-height:1.7;flex:1 1 auto;}
.case-source{
  margin-top:20px;padding-top:16px;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--muted);
}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:repeat(12,1fr);gap:2rem;}
.faq-aside{grid-column:span 4;}
.faq-aside-inner{position:sticky;top:108px;}
.faq-aside h2{font-size:clamp(1.75rem,3.2vw,2.5rem);letter-spacing:-.01em;}
.faq-aside p{margin-top:16px;color:var(--muted);font-size:16px;}
.faq-list{grid-column:span 8;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);position:relative;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 4px 24px 0;font-size:17px;font-weight:700;color:var(--ink);
  transition:color var(--t) var(--ease),padding-left var(--t) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;background:var(--lime);
  border-radius:2px;opacity:0;transition:opacity var(--t) var(--ease);
}
.faq-item[open] summary::before{opacity:1;}
.faq-item[open] summary{padding-left:18px;}
.faq-item summary:hover{color:var(--jade);}
.faq-icon{flex:0 0 auto;color:var(--ink);transition:transform var(--t) var(--ease);}
.faq-icon .ico-v{transition:opacity var(--t) var(--ease);}
.faq-item[open] .faq-icon{transform:rotate(90deg);}
.faq-item[open] .faq-icon .ico-v{opacity:0;}
.faq-a{padding:0 40px 28px 18px;color:var(--muted);font-size:16px;}

/* CTA 通栏 */
.cta-band{
  background:var(--ink);color:var(--paper);position:relative;
  padding:clamp(48px,6vw,72px) 0 clamp(34px,4vw,48px);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;}
.cta-band h2{color:var(--paper);font-size:clamp(1.6rem,2.6vw,2.4rem);letter-spacing:-.01em;max-width:20em;}
.cta-band p{margin-top:14px;color:rgba(246,245,240,.7);font-size:16px;max-width:36em;}
.cta-rule{height:1px;background:var(--lime);margin-top:clamp(34px,4vw,48px);}

/* 最新信息 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.tag{
  font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.06em;
  border:1px solid var(--line);border-radius:var(--r-pill);padding:6px 14px;color:var(--muted);
  background:var(--surface);
}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;}
.news-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--sh-2);}
.news-thumb{aspect-ratio:16/9;background:var(--line);margin:0;overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-body{padding:22px 22px 26px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.news-time{font-family:var(--mono);font-size:12px;color:var(--muted);}
.badge{
  font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:.06em;
  border:1px solid var(--jade);border-radius:var(--r-pill);padding:4px 11px;color:var(--jade);
  background:transparent;white-space:nowrap;
}
.news-body h3{font-size:1.125rem;margin:16px 0 10px;line-height:1.5;}
.news-body h3 a{color:var(--ink);background-image:linear-gradient(var(--lime),var(--lime));background-repeat:no-repeat;background-size:0 2px;background-position:0 100%;transition:background-size var(--t) var(--ease);}
.news-card:hover .news-body h3 a{background-size:100% 2px;}
.news-summary{
  color:var(--muted);font-size:15.5px;flex:1 1 auto;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-link{margin-top:20px;font-size:15px;}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-lg);background:var(--surface);
  min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;text-align:center;padding:32px;color:var(--muted);
}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(246,245,240,.78);padding:clamp(56px,7vw,88px) 0 0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1.3fr 1fr 1fr 1.2fr;gap:2.5rem;}
.footer-brand{display:flex;align-items:center;gap:8px;color:var(--paper);font-weight:800;margin-bottom:16px;}
.footer-brand .brand-tag{background:var(--lime);color:var(--ink);}
.footer-text{font-size:15px;line-height:1.9;color:rgba(246,245,240,.66);max-width:32em;}
.footer-col h4{color:var(--paper);font-size:15px;margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:12px;}
.footer-col a{color:rgba(246,245,240,.72);font-size:15px;}
.footer-col a:hover{color:var(--lime);}
.footer-note{font-size:14.5px;color:rgba(246,245,240,.6);line-height:1.9;}
.footer-bottom{
  margin-top:clamp(40px,5vw,64px);border-top:1px solid rgba(246,245,240,.16);
  padding:22px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(246,245,240,.55);
}
.footer-bottom .mono{font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;}

/* 移动吸底 CTA */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  align-items:center;gap:14px;padding:12px 16px calc(12px + env(safe-area-inset-bottom));
  background:var(--ink);border-top:1px solid rgba(246,245,240,.16);
  opacity:0;transform:translateY(100%);
  transition:opacity 260ms var(--ease),transform 260ms var(--ease);
}
.mobile-cta.is-visible{opacity:1;transform:translateY(0);}
.mobile-cta span{color:rgba(246,245,240,.72);font-size:13px;flex:1 1 auto;}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(12px);}
.reveal.is-in{opacity:1;transform:none;transition:opacity 520ms var(--ease),transform 520ms var(--ease);}
.reveal.is-in.d1{transition-delay:80ms;}
.reveal.is-in.d2{transition-delay:160ms;}
.reveal.is-in.d3{transition-delay:240ms;}
.reveal.is-in.d4{transition-delay:320ms;}
.reveal.is-in.d5{transition-delay:400ms;}
.step .step-num{transition:transform 600ms var(--ease);}
.steps.is-in .step-num{transform:scale(1);}
.steps .step-num{transform:scale(.6);}

@media (max-width:1023px){
  .grid-container{padding-left:1.5rem;padding-right:1.5rem;}
  .nav-side{gap:18px;}
  .nav-link{font-size:14.5px;}
  .brand-main{font-size:17px;}
  .hero-grid{min-height:auto;}
  .hero-visual{margin-top:56px;}
  .visual-card{right:0;bottom:-28px;}
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .case-card:nth-child(n){grid-column:span 6;}
  .faq-aside{grid-column:span 12;}
  .faq-aside-inner{position:static;}
  .faq-aside{margin-bottom:32px;}
  .faq-list{grid-column:span 12;}
  .footer-grid{grid-template-columns:1.6fr 1.2fr 1fr 1fr;gap:2rem;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .grid-container{padding-left:1.25rem;padding-right:1.25rem;}
  .header-inner{height:64px;padding:0 1.25rem;}
  .nav-side{display:none;}
  .brand{position:static;transform:none;margin:0 auto;}
  .nav-toggle{display:flex;position:absolute;right:1.25rem;top:50%;transform:translateY(-50%);}
  .hero-inner{padding-top:40px;padding-bottom:64px;}
  .hero-visual{margin-top:40px;}
  .visual-frame{display:none;}
  .visual-card{position:static;width:100%;margin-top:16px;border:1px solid var(--line);box-shadow:var(--sh-1);}
  .visual-main{aspect-ratio:auto;height:42vh;min-height:220px;}
  .metrics{grid-template-columns:1fr;gap:14px;max-width:none;}
  .metric{flex-direction:row;align-items:baseline;justify-content:space-between;border-bottom:1px dashed var(--line);padding-bottom:12px;}
  .steps{grid-template-columns:1fr;}
  .step{padding:0;}
  .step + .step{padding-left:0;border-left:0;border-top:1px solid var(--line);margin-top:28px;padding-top:28px;}
  .cat-grid{grid-template-columns:1fr;}
  .cases{grid-template-columns:1fr;}
  .case-card:nth-child(n){grid-column:span 1;}
  .news-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-inner .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:2rem;}
  .footer-brand-col{grid-column:1 / -1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .mobile-cta{display:flex;}
  .faq-a{padding:0 0 24px 18px;}
  .faq-item summary{font-size:16px;padding-right:0;}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  .steps .step-num{transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --ink:#10140F;
  --lime:#C8F04A;
  --lime-deep:#A9D42F;
  --jade:#2E6B4F;
  --paper:#F6F5F0;
  --surface:#FFFFFF;
  --line:#E4E2D8;
  --body:#333A31;
  --muted:#6B7064;
  --warn:#E4572E;
  --r-lg:18px;
  --r-md:12px;
  --r-sm:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,20,15,.06);
  --sh-2:0 18px 40px -24px rgba(16,20,15,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --font-mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.9;
  color:var(--body);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--jade);text-decoration:none;transition:color 220ms var(--ease);}
a:hover{color:var(--ink);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-0.01em;}
p{margin:0 0 1.1em;}
ul,ol{margin:0 0 1.1em;padding-left:1.3em;}
li{margin-bottom:.45em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
::selection{background:var(--lime);color:var(--ink);}

.grid-container{max-width:1200px;margin:0 auto;padding:0 20px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--ink);
  border-bottom:1px solid rgba(200,240,74,.14);
}
.header-inner{
  position:relative;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.nav-side{display:flex;align-items:center;gap:26px;flex:1 1 0;min-width:0;}
.nav-side.left{justify-content:flex-start;}
.nav-side.right{justify-content:flex-end;}
.nav-link{
  position:relative;
  color:rgba(246,245,240,.78);
  font-size:15px;
  font-weight:500;
  padding:6px 0;
  white-space:nowrap;
  transition:color 220ms var(--ease);
}
.nav-link:hover{color:#fff;}
.nav-link.is-active{color:#fff;font-weight:700;}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--lime);border-radius:2px;
}
.brand{
  position:absolute;left:50%;transform:translateX(-50%);
  display:inline-flex;align-items:baseline;gap:6px;
  color:#fff;white-space:nowrap;
}
.brand-main{font-size:19px;font-weight:800;letter-spacing:-0.01em;color:#fff;}
.brand-tag{
  font-size:11px;font-weight:700;letter-spacing:.08em;
  color:var(--ink);background:var(--lime);
  padding:2px 7px;border-radius:var(--r-pill);
  transform:translateY(-2px);
}
.brand:hover .brand-main{color:var(--lime);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 30px;
  border-radius:var(--r-pill);
  border:1.5px solid transparent;
  font-size:15px;font-weight:700;line-height:1;
  cursor:pointer;white-space:nowrap;
  transition:background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),transform 220ms var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--ink);color:var(--lime);}
.btn-primary:active{background:var(--lime-deep);color:var(--ink);}
.btn-primary .arrow{transition:transform 120ms var(--ease);}
.btn-primary:hover .arrow{transform:translateX(4px);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--paper);}
.btn-ghost-light{background:transparent;border-color:rgba(246,245,240,.55);color:var(--paper);}
.btn-ghost-light:hover{background:var(--lime);border-color:var(--lime);color:var(--ink);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn:disabled{opacity:.45;cursor:not-allowed;}
.nav-cta{margin-left:6px;}

.menu-toggle{
  display:none;
  width:44px;height:44px;
  background:transparent;border:1px solid rgba(246,245,240,.28);
  border-radius:var(--r-sm);
  align-items:center;justify-content:center;cursor:pointer;
  padding:0;
}
.menu-toggle span{display:block;width:18px;height:1.5px;background:var(--paper);position:relative;transition:transform 220ms var(--ease);}
.menu-toggle span::before,
.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--paper);transition:transform 220ms var(--ease);}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}

/* 抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;
  background:var(--ink);
  transform:translateY(-100%);
  transition:transform 320ms var(--ease);
  display:flex;flex-direction:column;
  padding:0;
  overflow-y:auto;
}
.drawer.is-open{transform:translateY(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;padding:0 20px;border-bottom:1px solid rgba(246,245,240,.14);
  flex:0 0 auto;
}
.drawer-close{
  width:44px;height:44px;background:transparent;
  border:1px solid rgba(246,245,240,.28);border-radius:var(--r-sm);
  color:var(--paper);font-size:20px;line-height:1;cursor:pointer;
}
.drawer-nav{flex:1 1 auto;display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;height:56px;padding:0 20px;
  color:rgba(246,245,240,.86);font-size:16px;font-weight:500;
  border-bottom:1px solid rgba(246,245,240,.1);
}
.drawer-nav a.is-active{color:var(--lime);font-weight:700;}
.drawer-foot{flex:0 0 auto;padding:20px;border-top:1px solid rgba(246,245,240,.14);}
.drawer-foot .btn{width:100%;}

/* ============ 面包屑 ============ */
.breadcrumb{
  font-size:13px;color:var(--muted);
  padding-top:26px;
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--jade);}
.breadcrumb .sep{color:#C4C2B6;}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ============ Hero ============ */
.cat-hero{
  position:relative;
  min-height:58vh;
  display:flex;align-items:center;
  background:var(--ink) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:rgba(16,20,15,.62);
}
.cat-hero .hero-inner{position:relative;z-index:2;width:100%;padding:96px 0 88px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);
  font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--lime);text-transform:uppercase;
  margin-bottom:22px;
}
.hero-eyebrow::before{content:"";width:34px;height:1px;background:var(--lime);}
.cat-hero h1{
  color:#fff;
  font-size:clamp(2.25rem,5.6vw,4.25rem);
  font-weight:800;line-height:1.05;letter-spacing:-0.02em;
  max-width:15em;
  margin-bottom:20px;
}
.cat-hero .hero-sub{
  color:rgba(246,245,240,.82);
  font-size:clamp(1rem,1.6vw,1.15rem);
  max-width:34em;
  margin-bottom:32px;
}
.hero-rule{width:78px;height:1px;background:var(--lime);margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;}
.hero-chip{
  font-family:var(--font-mono);
  font-size:12px;letter-spacing:.06em;
  color:rgba(246,245,240,.82);
  border:1px solid rgba(246,245,240,.28);
  border-radius:var(--r-pill);
  padding:5px 13px;
}

/* ============ 主体两栏 ============ */
.page-body{padding:clamp(48px,7vw,88px) 0 0;}
.layout{display:flex;gap:56px;align-items:flex-start;}
.anchor-col{flex:0 0 260px;position:sticky;top:100px;}
.content-col{flex:1 1 auto;min-width:0;max-width:820px;}

.anchor-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px 20px;
  box-shadow:var(--sh-1);
}
.anchor-title{
  font-family:var(--font-mono);
  font-size:12px;font-weight:700;letter-spacing:.12em;
  color:var(--muted);text-transform:uppercase;
  padding-bottom:12px;margin-bottom:12px;
  border-bottom:1px solid var(--line);
}
.anchor-list{list-style:none;margin:0;padding:0;}
.anchor-list li{margin:0;}
.anchor-list a{
  display:block;
  padding:9px 0 9px 14px;
  font-size:14px;
  color:var(--body);
  border-left:2px solid transparent;
  transition:border-color 220ms var(--ease),color 220ms var(--ease),padding-left 220ms var(--ease);
}
.anchor-list a:hover{
  color:var(--ink);
  border-left-color:var(--lime);
  padding-left:18px;
}
.anchor-help{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;line-height:1.75;color:var(--muted);
}
.anchor-help .btn{width:100%;margin-top:12px;}

/* ============ 导语 ============ */
.lede{
  font-size:18px;line-height:1.95;color:var(--body);
  border-left:3px solid var(--lime);
  padding:2px 0 2px 20px;
  margin-bottom:56px;
}

/* ============ 内容节 ============ */
.section{
  padding-bottom:clamp(40px,5vw,64px);
  margin-bottom:clamp(40px,5vw,64px);
  border-bottom:1px solid var(--line);
  scroll-margin-top:100px;
}
.section:last-of-type{border-bottom:none;}
.section-head{margin-bottom:26px;}
.section-index{
  font-family:var(--font-mono);
  font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--jade);
  display:block;margin-bottom:12px;
}
.section h2{
  font-size:clamp(1.5rem,2.6vw,2.05rem);
  font-weight:700;line-height:1.25;
  position:relative;padding-bottom:14px;
}
.section h2::after{
  content:"";position:absolute;left:0;bottom:0;
  width:24px;height:3px;background:var(--lime);border-radius:2px;
}
.section h3{font-size:1.15rem;margin:28px 0 12px;}
.section p{color:var(--body);}
.section ul{list-style:none;padding-left:0;}
.section ul li{
  position:relative;padding-left:26px;
}
.section ul li::before{
  content:"";position:absolute;left:6px;top:.82em;
  width:7px;height:7px;border-radius:50%;
  background:var(--lime);border:1px solid var(--lime-deep);
}
.section ol{padding-left:0;list-style:none;counter-reset:stp;}
.section ol li{
  counter-increment:stp;position:relative;padding-left:34px;
}
.section ol li::before{
  content:counter(stp,decimal-leading-zero);
  position:absolute;left:0;top:0;
  font-family:var(--font-mono);font-size:13px;font-weight:700;
  color:var(--jade);
}

/* 图文交错 */
.media-block{display:flex;gap:32px;align-items:center;margin:30px 0 8px;}
.media-block.reverse{flex-direction:row-reverse;}
.media-block .media{flex:0 0 44%;}
.media-block .media-frame{
  position:relative;border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--line);
  background:var(--line);
  aspect-ratio:16/9;
}
.media-block .media-frame img{width:100%;height:100%;object-fit:cover;}
.media-block .media-text{flex:1 1 auto;min-width:0;}
.media-block .media-text p:last-child{margin-bottom:0;}
.media-caption{
  font-size:13px;color:var(--muted);margin-top:10px;
  font-family:var(--font-mono);
}

/* 提示条 */
.tip{
  display:flex;gap:14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid var(--jade);
  border-radius:var(--r-md);
  padding:18px 20px;
  margin:24px 0;
  box-shadow:var(--sh-1);
}
.tip.warn{border-left-color:var(--warn);}
.tip .tip-icon{flex:0 0 auto;margin-top:4px;}
.tip .tip-body{font-size:15px;line-height:1.8;color:var(--body);}
.tip .tip-body strong{color:var(--ink);}

/* 页内 CTA 块 */
.inline-cta{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 30px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  margin:44px 0;
  box-shadow:var(--sh-1);
}
.inline-cta h3{font-size:1.2rem;margin-bottom:6px;}
.inline-cta p{margin:0;font-size:14px;color:var(--muted);}

/* 步骤流程 */
.flow-list{list-style:none;padding:0;margin:26px 0 0;border-top:1px solid var(--line);}
.flow-list li{
  display:flex;gap:22px;align-items:flex-start;
  padding:20px 0;border-bottom:1px solid var(--line);
}
.flow-list li::before{content:none;}
.flow-num{
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-size:26px;font-weight:700;line-height:1;
  color:transparent;
  -webkit-text-stroke:1px var(--lime-deep);
  padding-top:2px;
}
.flow-text strong{display:block;color:var(--ink);font-size:1.02rem;margin-bottom:4px;}
.flow-text span{font-size:15px;color:var(--body);}

/* 收束 CTA */
.cta-band{
  background:var(--ink);
  margin-top:clamp(56px,7vw,96px);
  padding:clamp(48px,6vw,76px) 0;
  position:relative;
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--lime);
}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;}
.cta-inner h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.25;margin-bottom:8px;}
.cta-inner p{color:rgba(246,245,240,.72);margin:0;font-size:15px;max-width:32em;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(246,245,240,.78);padding:clamp(52px,7vw,80px) 0 0;margin-top:0;}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr 1fr;
  gap:36px 32px;
}
.footer-brand{display:inline-flex;align-items:baseline;gap:6px;margin-bottom:16px;}
.footer-brand .brand-main{font-size:18px;font-weight:800;color:#fff;}
.footer-brand .brand-tag{
  font-size:11px;font-weight:700;letter-spacing:.08em;
  color:var(--ink);background:var(--lime);padding:2px 7px;border-radius:var(--r-pill);
  transform:translateY(-2px);
}
.footer-text{font-size:14px;line-height:1.85;color:rgba(246,245,240,.62);margin:0;max-width:36em;}
.footer-col h4{
  color:#fff;font-size:13px;font-weight:700;letter-spacing:.08em;
  margin-bottom:16px;
}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:rgba(246,245,240,.68);font-size:14px;}
.footer-col a:hover{color:var(--lime);}
.footer-note{font-size:13.5px;line-height:1.8;color:rgba(246,245,240,.62);margin:0;}
.footer-bottom{
  margin-top:clamp(40px,5vw,60px);
  border-top:1px solid rgba(246,245,240,.14);
  padding:22px 0 26px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(246,245,240,.55);
}
.mono{font-family:var(--font-mono);letter-spacing:.02em;}

/* 移动吸底 */
.mobile-cta{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:var(--ink);
  border-top:1px solid rgba(200,240,74,.28);
  padding:10px 14px;
  align-items:center;justify-content:space-between;gap:12px;
  opacity:0;transform:translateY(12px);
  transition:opacity 260ms var(--ease),transform 260ms var(--ease);
  pointer-events:none;
}
.mobile-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.mobile-cta .mc-text{font-size:13px;color:rgba(246,245,240,.78);line-height:1.4;}
.mobile-cta .btn{height:42px;padding:0 18px;font-size:14px;}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .nav-side{display:none;}
  .menu-toggle{display:inline-flex;}
  .brand{position:static;transform:none;}
  .header-inner{justify-content:space-between;}
  .layout{flex-direction:column;gap:36px;}
  .anchor-col{position:static;flex:1 1 auto;width:100%;}
  .anchor-list{display:grid;grid-template-columns:1fr 1fr;gap:0 18px;}
  .content-col{max-width:none;width:100%;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .footer-brand-col{grid-column:1 / -1;}
}
@media screen and (max-width:767px){
  body{font-size:16px;line-height:1.85;}
  .mobile-cta{display:flex;}
  .cat-hero{min-height:44vh;}
  .cat-hero .hero-inner{padding:64px 0 60px;}
  .hero-actions .btn{flex:1 1 100%;}
  .media-block,
  .media-block.reverse{flex-direction:column;align-items:stretch;gap:18px;}
  .media-block .media{flex:1 1 auto;}
  .inline-cta{padding:22px 20px;}
  .inline-cta .btn{width:100%;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .flow-list li{gap:16px;}
  .flow-num{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{padding-bottom:82px;}
  .anchor-list{grid-template-columns:1fr;}
}
@media screen and (min-width:1440px){
  .grid-container{max-width:1240px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}
/* 覆盖 Foundation 默认外观 */
.button,.button.primary,.button.secondary{background:var(--lime);color:var(--ink);border-radius:var(--r-pill);font-weight:700;}
.button.hollow{border:1.5px solid var(--ink);color:var(--ink);background:transparent;}
table{border-collapse:collapse;}
.reveal{display:none;}

/* roulang page: article */
:root{
  --ink:#10140F;
  --lime:#C8F04A;
  --lime-deep:#A9D42F;
  --jade:#2E6B4F;
  --paper:#F6F5F0;
  --surface:#FFFFFF;
  --line:#E4E2D8;
  --body:#333A31;
  --muted:#6B7064;
  --warn:#E4572E;
  --r-lg:18px;
  --r-md:12px;
  --r-sm:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,20,15,.06);
  --sh-2:0 18px 40px -24px rgba(16,20,15,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:220ms;
  --wrap:1200px;
  --read:720px;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --font-mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--body);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--jade);text-decoration:none;transition:color var(--t) var(--ease);}
a:hover{color:var(--lime-deep);}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
::selection{background:var(--lime);color:var(--ink);}
.mono{font-family:var(--font-mono);}
.grid-container{max-width:var(--wrap);margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1024px){.grid-container{padding-left:32px;padding-right:32px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 30px;border-radius:var(--r-pill);
  font-weight:700;font-size:15.5px;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease),transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.btn .arrow{display:inline-block;transition:transform 120ms var(--ease);}
.btn:hover .arrow{transform:translateX(4px);}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--ink);color:var(--lime);}
.btn-primary:active{background:var(--lime-deep);color:var(--ink);transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--paper);}
.btn-ghost:active{background:var(--ink);color:var(--lime);transform:translateY(1px);}
.btn-ghost-light{background:transparent;border-color:rgba(246,245,240,.5);color:var(--paper);}
.btn-ghost-light:hover{background:var(--paper);color:var(--ink);border-color:var(--paper);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;pointer-events:none;}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.09);
}
.nav-wrap{position:relative;display:flex;align-items:center;justify-content:space-between;height:76px;gap:12px;}
.nav-side{display:flex;align-items:center;gap:4px;flex:1 1 0;min-width:0;}
.nav-side.right{justify-content:flex-end;}
.nav-link{
  color:rgba(246,245,240,.74);font-size:15px;font-weight:600;
  padding:10px 13px;border-radius:var(--r-pill);position:relative;white-space:nowrap;
  transition:color var(--t) var(--ease),background var(--t) var(--ease);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-link:active{color:var(--lime);}
.nav-link.is-active{color:var(--lime);}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  background:var(--lime);border-radius:2px;
}
.brand{
  position:absolute;left:50%;transform:translateX(-50%);
  display:flex;align-items:center;gap:7px;white-space:nowrap;
}
.brand-main{color:#fff;font-weight:800;font-size:19px;letter-spacing:-.01em;}
.brand-tag{
  background:var(--lime);color:var(--ink);font-size:11px;font-weight:800;
  padding:3px 7px;border-radius:var(--r-sm);letter-spacing:.08em;
}
.nav-cta{height:42px;padding:0 20px;font-size:14px;}
.burger{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.2);background:transparent;
  align-items:center;justify-content:center;cursor:pointer;
  transition:border-color var(--t) var(--ease),background var(--t) var(--ease);
}
.burger:hover{border-color:var(--lime);background:rgba(255,255,255,.06);}
.burger:active{background:rgba(200,240,74,.14);}
.burger svg{stroke:var(--paper);}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;left:0;right:0;top:0;bottom:0;z-index:120;
  background:var(--ink);display:flex;flex-direction:column;
  transform:translateY(-100%);visibility:hidden;
  transition:transform 320ms var(--ease),visibility 320ms var(--ease);
}
.drawer.is-open{transform:translateY(0);visibility:visible;}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer-close{
  width:42px;height:42px;border-radius:var(--r-sm);background:transparent;
  border:1px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:border-color var(--t) var(--ease);
}
.drawer-close:hover{border-color:var(--lime);}
.drawer-close svg{stroke:var(--paper);}
.drawer-nav{flex:1 1 auto;overflow-y:auto;padding:6px 0;}
.drawer-link{
  display:flex;align-items:center;height:56px;padding:0 22px;
  color:rgba(246,245,240,.84);font-size:16px;font-weight:600;
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.drawer-link:hover{background:rgba(255,255,255,.05);color:#fff;}
.drawer-link.is-active{color:var(--lime);}
.drawer-foot{padding:16px 20px 28px;border-top:1px solid rgba(255,255,255,.1);}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);padding:22px 0 0;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--jade);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{color:#C9C7BC;}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ---------- 文章头部 ---------- */
.article-hero{padding-bottom:clamp(28px,4vw,44px);}
.article-wrap{max-width:860px;margin:0 auto;}
.article-head{padding:clamp(22px,3.4vw,38px) 0 30px;}
.badge-cat{
  display:inline-flex;align-items:center;gap:7px;
  font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--jade);border:1px solid rgba(46,107,79,.45);
  border-radius:var(--r-pill);padding:5px 13px;background:rgba(46,107,79,.05);
}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--lime-deep);display:inline-block;}
.article-title{
  font-size:clamp(1.9rem,4.2vw,2.9rem);font-weight:800;line-height:1.18;
  letter-spacing:-.02em;margin:18px 0 0;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 22px;
  margin-top:22px;font-size:13px;color:var(--muted);
}
.meta-item{display:inline-flex;align-items:center;gap:7px;}
.meta-item svg{stroke:var(--muted);flex:none;}
.meta-item .val{font-family:var(--font-mono);color:var(--ink);font-weight:600;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.rule{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 正文排版 ---------- */
.article-body{padding:clamp(34px,5vw,54px) 0 0;}
.prose{
  max-width:var(--read);margin:0 auto;
  font-size:17.5px;line-height:1.9;color:var(--body);
}
.prose > *:first-child{margin-top:0;}
.prose p{margin:0 0 1.2em;}
.prose h2{
  font-size:clamp(1.35rem,2.4vw,1.75rem);font-weight:700;color:var(--ink);
  margin:2.2em 0 .85em;padding-bottom:12px;position:relative;
}
.prose h2::after{
  content:"";position:absolute;left:0;bottom:0;width:24px;height:3px;
  background:var(--lime);border-radius:3px;
}
.prose h3{font-size:1.2rem;font-weight:700;color:var(--ink);margin:1.9em 0 .7em;}
.prose h4{font-size:1.02rem;font-weight:700;color:var(--ink);margin:1.6em 0 .6em;}
.prose a{color:var(--jade);border-bottom:1px solid rgba(46,107,79,.35);}
.prose a:hover{color:var(--lime-deep);border-bottom-color:var(--lime);}
.prose strong{color:var(--ink);font-weight:700;}
.prose blockquote{
  margin:1.6em 0;padding:20px 24px;
  background:var(--paper);border-left:3px solid var(--lime);
  border-radius:0 var(--r-md) var(--r-md) 0;color:var(--body);
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:0;}
.prose ul li{position:relative;padding-left:24px;margin:0 0 .6em;}
.prose ul li::before{
  content:"";position:absolute;left:4px;top:.72em;
  width:7px;height:7px;border-radius:50%;background:var(--lime-deep);
}
.prose ol{counter-reset:prose-count;}
.prose ol li{
  position:relative;padding-left:34px;margin:0 0 .6em;counter-increment:prose-count;
}
.prose ol li::before{
  content:counter(prose-count,decimal-leading-zero);
  position:absolute;left:0;top:.05em;
  font-family:var(--font-mono);font-size:13px;font-weight:700;color:var(--jade);
}
.prose img{border-radius:var(--r-md);margin:1.6em auto;background:var(--line);}
.prose figure{margin:1.8em 0;}
.prose figcaption{
  font-size:13px;color:var(--muted);text-align:center;margin-top:10px;
}
.prose code{
  font-family:var(--font-mono);font-size:.9em;
  background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-sm);padding:2px 6px;color:var(--jade);
}
.prose pre{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;overflow-x:auto;margin:1.6em 0;
}
.prose pre code{background:none;border:0;padding:0;color:var(--ink);font-size:14px;line-height:1.7;}
.prose table{
  width:100%;border-collapse:collapse;margin:1.8em 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.prose th,.prose td{border:1px solid var(--line);padding:12px 16px;text-align:left;}
.prose th{background:var(--ink);color:var(--lime);font-weight:700;font-size:13.5px;letter-spacing:.04em;}
.prose tr:nth-child(even) td{background:#FBFBF7;}
.prose hr{border:0;height:1px;background:var(--line);margin:2.4em 0;}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:var(--read);margin:0 auto;min-height:220px;
  border:1px dashed var(--line);border-radius:var(--r-lg);background:var(--surface);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  padding:48px 24px;text-align:center;
}
.empty-state h2{font-size:1.25rem;color:var(--ink);}
.empty-state p{color:var(--muted);font-size:15px;}

/* ---------- 文末区 ---------- */
.article-foot{max-width:var(--read);margin:0 auto;padding:0 0 clamp(40px,6vw,64px);}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:44px;}
.tag-label{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--muted);margin-right:2px;}
.tag{
  font-family:var(--font-mono);font-size:12.5px;font-weight:600;color:var(--body);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:7px 15px;
  transition:border-color var(--t) var(--ease),color var(--t) var(--ease),transform var(--t) var(--ease);
}
.tag:hover{border-color:var(--lime);color:var(--ink);transform:translateY(-2px);}
.back-entry{
  display:inline-flex;align-items:center;gap:9px;margin-top:30px;
  font-weight:700;color:var(--ink);border-bottom:2px solid var(--lime);
  padding-bottom:4px;transition:color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.back-entry:hover{color:var(--jade);border-color:var(--jade);}
.back-entry svg{stroke:currentColor;transition:transform 120ms var(--ease);}
.back-entry:hover svg{transform:translateX(4px);}
.related{margin-top:56px;border-top:1px solid var(--line);padding-top:34px;}
.related-kicker{font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--muted);}
.related h2{font-size:1.35rem;margin-top:8px;}
.related-list{margin-top:20px;border-top:1px solid var(--line);}
.related-item{
  display:flex;gap:18px;align-items:flex-start;
  padding:20px 0;border-bottom:1px solid var(--line);
}
.related-num{font-family:var(--font-mono);font-size:14px;font-weight:700;color:var(--lime-deep);padding-top:3px;flex:none;}
.related-title{font-size:1.05rem;font-weight:700;color:var(--ink);transition:color var(--t) var(--ease);}
.related-item:hover .related-title{color:var(--jade);}
.related-desc{font-size:14.5px;color:var(--muted);margin-top:6px;line-height:1.7;}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  background:var(--ink);color:var(--paper);
  padding:clamp(48px,7vw,84px) 0;
  margin-top:clamp(56px,8vw,96px);
  border-bottom:1px solid rgba(200,240,74,.55);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,3vw,2.15rem);}
.cta-band p{color:rgba(246,245,240,.7);margin-top:12px;max-width:560px;font-size:15.5px;}
.cta-band .btn-primary:hover{background:var(--paper);color:var(--ink);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--paper);padding-top:clamp(48px,7vw,72px);}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.2fr;
  gap:32px 30px;padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:7px;margin-bottom:16px;}
.footer-brand .brand-main{font-size:18px;}
.footer-text{color:rgba(246,245,240,.62);font-size:14.5px;line-height:1.8;max-width:420px;}
.footer-col h4{
  color:#fff;font-size:14px;font-weight:700;letter-spacing:.06em;margin-bottom:16px;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{color:rgba(246,245,240,.66);font-size:14.5px;}
.footer-col ul li a:hover{color:var(--lime);}
.footer-note{color:rgba(246,245,240,.6);font-size:14px;line-height:1.85;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  font-size:13px;color:rgba(246,245,240,.55);
}
.footer-bottom .mono{color:rgba(246,245,240,.45);}

/* ---------- 移动吸底 CTA ---------- */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  display:none;align-items:center;justify-content:space-between;gap:14px;
  background:var(--ink);padding:10px 16px;border-top:1px solid rgba(255,255,255,.12);
  transform:translateY(120%);opacity:0;
  transition:transform 320ms var(--ease),opacity 320ms var(--ease);
}
.mobile-cta.is-visible{transform:translateY(0);opacity:1;}
.mobile-cta span{color:rgba(246,245,240,.8);font-size:13.5px;font-weight:600;}
.mobile-cta .btn{height:44px;padding:0 20px;font-size:14px;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-side{display:none;}
  .burger{display:inline-flex;}
  .nav-wrap{justify-content:flex-end;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px 24px;}
  .footer-brand-col{grid-column:1 / -1;}
}
@media (max-width:767px){
  body{font-size:16.5px;}
  .article-title{font-size:1.7rem;}
  .prose{font-size:16.5px;line-height:1.85;}
  .prose h2{font-size:1.3rem;}
  .mobile-cta{display:flex;}
  .site-footer{padding-bottom:64px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px 20px;}
  .footer-brand-col{grid-column:1 / -1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-band .btn{width:100%;}
  .related-item{gap:14px;}
}
@media (max-width:520px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .brand-main{font-size:17px;}
  .footer-grid{grid-template-columns:1fr;}
  .article-head{padding-top:20px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .mobile-cta{transform:none;opacity:1;}
}

/* roulang page: category2 */
:root{
  --ink:#10140F;
  --lime:#C8F04A;
  --lime-deep:#A9D42F;
  --jade:#2E6B4F;
  --paper:#F6F5F0;
  --surface:#FFFFFF;
  --line:#E4E2D8;
  --body:#333A31;
  --muted:#6B7064;
  --warn:#E4572E;
  --r-lg:18px;
  --r-md:12px;
  --r-sm:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,20,15,.06);
  --sh-2:0 18px 40px -24px rgba(16,20,15,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --font-mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--body);
  font-family:var(--font-cn);font-size:17px;line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--jade);text-decoration:none;transition:color 200ms var(--ease)}
a:hover{color:var(--ink)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.2}
h1{font-size:clamp(2rem,4.4vw,3.5rem);font-weight:800;line-height:1.08;letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,2.8vw,2.4rem);line-height:1.2}
h3{font-size:1.25rem;line-height:1.4}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
::selection{background:var(--lime);color:var(--ink)}
.mono{font-family:var(--font-mono);letter-spacing:.02em}

/* Foundation 覆盖 */
.grid-container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;width:100%}
.grid-x{display:flex;flex-flow:row wrap;margin-left:-10px;margin-right:-10px}
.grid-x>.cell{padding-left:10px;padding-right:10px;min-width:0}
.grid-margin-x{margin-left:-10px;margin-right:-10px}
.grid-margin-x>.cell.padding-left-10,.grid-margin-x>.cell{margin-left:0;margin-right:0}
.button,.button.primary,.button.secondary{background:var(--lime);color:var(--ink);border-radius:var(--r-pill)}
table{border-collapse:collapse}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--ink);
  border-bottom:1px solid rgba(246,245,240,.12);
}
.nav-inner{
  position:relative;display:flex;align-items:center;justify-content:space-between;
  height:74px;gap:12px;
}
.nav-side{display:flex;align-items:center;gap:2px;flex:1 1 0;min-width:0}
.nav-side.right{justify-content:flex-end}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;border-radius:var(--r-pill);
  color:rgba(246,245,240,.76);font-size:15px;font-weight:500;white-space:nowrap;
  transition:color 200ms var(--ease),background 200ms var(--ease);
}
.nav-link:hover{color:var(--paper);background:rgba(200,240,74,.10)}
.nav-link.is-active{color:var(--lime)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--lime);border-radius:2px;
}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;margin-left:10px;
  background:var(--lime);color:var(--ink);border-radius:var(--r-pill);
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:background 220ms var(--ease),color 220ms var(--ease),transform 220ms var(--ease);
}
.nav-cta:hover{background:var(--paper);color:var(--ink)}
.nav-cta:active{transform:translateY(1px)}
.brand{
  position:absolute;left:50%;transform:translateX(-50%);
  display:flex;align-items:baseline;gap:6px;white-space:nowrap;
  color:var(--paper);font-size:20px;font-weight:800;letter-spacing:-.01em;
}
.brand .brand-tag{
  font-size:11px;font-weight:700;letter-spacing:.08em;
  background:var(--lime);color:var(--ink);padding:2px 7px;border-radius:var(--r-pill);
}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:44px;height:44px;
  border-radius:var(--r-sm);color:var(--paper);
  transition:background 200ms var(--ease);
}
.nav-toggle:hover{background:rgba(246,245,240,.12)}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--ink);color:var(--paper);
  display:flex;flex-direction:column;padding:20px 20px 24px;
  transform:translateY(-100%);visibility:hidden;
  transition:transform 320ms var(--ease),visibility 320ms var(--ease);
}
.drawer.is-open{transform:translateY(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:56px;border-bottom:1px solid rgba(246,245,240,.14)}
.drawer-close{width:44px;height:44px;display:flex;align-items:center;justify-content:center;color:var(--paper);border-radius:var(--r-sm)}
.drawer-close:hover{background:rgba(246,245,240,.12)}
.drawer-nav{flex:1 1 auto;overflow-y:auto;padding-top:8px}
.drawer-nav a{
  display:flex;align-items:center;height:56px;
  border-bottom:1px solid rgba(246,245,240,.12);
  color:rgba(246,245,240,.86);font-size:16px;font-weight:500;
}
.drawer-nav a.is-active{color:var(--lime)}
.drawer-cta{margin-top:16px}
.drawer-cta .btn{width:100%;justify-content:center}

/* 面包屑 */
.breadcrumb{padding-top:26px;font-size:13px;color:var(--muted)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--line);margin-right:8px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb [aria-current="page"]{color:var(--ink);font-weight:600}

/* 通用板块 */
.section{padding:clamp(64px,9vw,128px) 0}
.section-tight{padding:clamp(48px,6vw,88px) 0}
.section-head{max-width:720px;margin-bottom:32px}
.section-head .eyebrow{display:inline-block;margin-bottom:14px}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px}

.eyebrow{
  font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--jade);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border:1px solid var(--jade);border-radius:var(--r-pill);
  font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--jade);background:transparent;
}
.badge-solid{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.rule-lime{display:block;width:48px;height:4px;background:var(--lime);border-radius:2px;margin-top:18px}

/* 按钮体系 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:52px;padding:0 30px;border-radius:var(--r-pill);
  font-size:16px;font-weight:700;white-space:nowrap;
  transition:background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.btn .arrow{transition:transform 120ms var(--ease)}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:var(--ink);color:var(--lime);box-shadow:var(--sh-2)}
.btn-primary:hover .arrow{transform:translateX(4px)}
.btn-ghost{background:transparent;border:1.5px solid var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-ghost:hover .arrow{transform:translateX(4px)}
.btn-ghost-light{background:transparent;border:1.5px solid rgba(246,245,240,.5);color:var(--paper)}
.btn-ghost-light:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.btn:active{transform:translateY(1px)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--ink);
  border-bottom:2px solid var(--lime);padding-bottom:2px;
  transition:border-color 200ms var(--ease),color 200ms var(--ease);
}
.link-more:hover{border-color:var(--ink)}
.link-more .arrow{transition:transform 160ms var(--ease)}
.link-more:hover .arrow{transform:translateX(4px)}

/* Hero */
.cat-hero{padding:46px 0 clamp(56px,7vw,96px)}
.hero-row{row-gap:36px}
.hero-copy h1{margin-bottom:18px}
.hero-lede{font-size:18px;line-height:1.85;color:var(--body);max-width:46ch;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-metrics{
  display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
  border-top:1px solid var(--line);padding-top:20px;max-width:520px;
}
.hero-metrics .metric{display:flex;flex-direction:column;gap:4px}
.hero-metrics .metric dt{font-family:var(--font-mono);font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--muted)}
.hero-metrics .metric dd{margin:0;font-family:var(--font-mono);font-size:15px;font-weight:700;color:var(--ink)}

.hero-collage{position:relative;padding-right:18px;padding-bottom:18px}
.collage-main{
  position:relative;aspect-ratio:16/10;border-radius:var(--r-lg);overflow:hidden;
  background:var(--line);border:1px solid var(--line);
}
.collage-main img{width:100%;height:100%;object-fit:cover}
.collage-frame{
  position:absolute;inset:0;border:1px solid var(--lime);border-radius:var(--r-lg);
  transform:translate(12px,12px);pointer-events:none;
}
.collage-sub{
  position:absolute;right:0;bottom:0;width:44%;aspect-ratio:16/9;
  border-radius:var(--r-md);overflow:hidden;background:var(--line);
  border:5px solid var(--paper);box-shadow:var(--sh-2);
}
.collage-sub img{width:100%;height:100%;object-fit:cover}

/* 编号清单流 */
.flow-layout{row-gap:44px}
.flow-list{margin-top:8px}
.flow-item{
  display:grid;grid-template-columns:118px minmax(0,1fr);gap:26px;
  padding:34px 0;border-top:1px solid var(--line);
}
.flow-item:last-child{border-bottom:1px solid var(--line)}
.flow-num{
  font-family:var(--font-mono);font-size:46px;font-weight:800;line-height:1;
  color:var(--jade);letter-spacing:-.02em;
}
.flow-body h3{margin-bottom:10px}
.flow-body p{color:var(--body);max-width:62ch}
.flow-body .mini-list{margin-top:14px;display:grid;gap:8px}
.flow-body .mini-list li{
  position:relative;padding-left:20px;font-size:16px;color:var(--muted);
}
.flow-body .mini-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;
  border-radius:50%;background:var(--lime);
}

/* 侧栏 sticky 卡 */
.sticky-card{
  position:sticky;top:98px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
}
.sticky-card h3{font-size:1.15rem;margin-bottom:10px}
.sticky-card p{font-size:15px;color:var(--muted)}
.sticky-list{margin:20px 0 22px;display:grid;gap:12px}
.sticky-list li{
  display:flex;gap:10px;font-size:15px;color:var(--body);
  padding-bottom:12px;border-bottom:1px solid var(--line);
}
.sticky-list li:last-child{border-bottom:0;padding-bottom:0}
.sticky-list svg{flex:0 0 auto;margin-top:6px;color:var(--jade)}
.sticky-card .btn{width:100%;justify-content:center}
.sticky-note{margin-top:14px;font-size:13px;color:var(--muted);text-align:center}

/* 表格 */
.table-wrap{overflow-x:auto;border-radius:var(--r-md)}
.spec-table{width:100%;min-width:660px;font-size:15px;line-height:1.75}
.spec-table th{
  background:var(--ink);color:var(--lime);text-align:left;font-weight:700;
  padding:15px 18px;border:1px solid var(--ink);white-space:nowrap;
}
.spec-table td{
  padding:15px 18px;border:1px solid var(--line);background:var(--surface);
  vertical-align:top;color:var(--body);
}
.spec-table tbody tr{transition:background 180ms var(--ease)}
.spec-table tbody tr:hover td{background:#FBFBF4}
.spec-table td strong{color:var(--ink)}

/* 信号清单 */
.signal-list{display:grid;gap:16px;margin-top:26px}
.signal{
  display:grid;grid-template-columns:minmax(0,1fr);gap:8px;
  background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--warn);
  border-radius:var(--r-md);padding:22px 24px;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.signal:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--line);border-left-color:var(--lime-deep)}
.signal h3{font-size:1.08rem;margin-bottom:2px}
.signal p{font-size:15.5px;color:var(--muted)}
.signal .signal-tag{
  font-family:var(--font-mono);font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--warn);
}

/* FAQ */
.faq-layout{row-gap:36px}
.faq-side h2{margin-bottom:14px}
.faq-side p{color:var(--muted);font-size:16px;max-width:34ch}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--lime);transform:scaleY(0);transform-origin:top;
  transition:transform 200ms var(--ease);
}
.faq-item.is-open::before{transform:scaleY(1)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  text-align:left;padding:22px 10px 22px 18px;color:var(--ink);
  font-size:17px;font-weight:700;line-height:1.5;
  transition:color 200ms var(--ease);
}
.faq-q:hover{color:var(--jade)}
.faq-sign{flex:0 0 auto;margin-top:4px;color:var(--ink);transition:color 200ms var(--ease)}
.faq-sign .v{transform-origin:10px 10px;transition:transform 200ms var(--ease)}
.faq-item.is-open .faq-sign{color:var(--jade)}
.faq-item.is-open .faq-sign .v{transform:scaleY(0)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows 240ms var(--ease)}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a>div{overflow:hidden}
.faq-a p{padding:0 34px 24px 18px;font-size:16px;color:var(--muted);max-width:66ch}

/* CTA 通栏 */
.cta-band{
  background:var(--ink);color:var(--paper);
  padding:clamp(48px,7vw,88px) 0;border-bottom:1px solid var(--lime);
}
.cta-band .cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band h2{color:var(--paper);max-width:22ch}
.cta-band p{margin-top:12px;color:rgba(246,245,240,.7);font-size:16px;max-width:48ch}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(246,245,240,.72);padding:clamp(48px,6vw,80px) 0 0}
.footer-grid{
  display:grid;grid-template-columns:2.2fr 1.1fr 1fr 1fr 1.2fr;gap:36px 28px;
}
.footer-brand{display:flex;align-items:baseline;gap:6px;color:var(--paper);font-size:19px;font-weight:800;margin-bottom:14px}
.footer-brand .brand-tag{
  font-size:11px;font-weight:700;letter-spacing:.08em;background:var(--lime);color:var(--ink);
  padding:2px 7px;border-radius:var(--r-pill);
}
.footer-text{font-size:14.5px;line-height:1.9;max-width:42ch;color:rgba(246,245,240,.62)}
.footer-col h4{color:var(--paper);font-size:14px;letter-spacing:.06em;margin-bottom:16px;font-family:var(--font-mono);font-weight:700}
.footer-col ul{display:grid;gap:11px}
.footer-col a{color:rgba(246,245,240,.72);font-size:14.5px}
.footer-col a:hover{color:var(--lime)}
.footer-note{font-size:14px;line-height:1.85;color:rgba(246,245,240,.6)}
.footer-bottom{
  margin-top:44px;padding:22px 0;border-top:1px solid rgba(246,245,240,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(246,245,240,.5);
}
.footer-bottom .mono{font-size:13px}

/* 移动吸底 CTA */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:none;align-items:center;gap:12px;
  background:var(--ink);border-top:1px solid rgba(246,245,240,.14);
  padding:12px 16px calc(12px + env(safe-area-inset-bottom));
  transform:translateY(120%);opacity:0;
  transition:transform 260ms var(--ease),opacity 260ms var(--ease);
}
.mobile-cta.is-visible{transform:translateY(0);opacity:1}
.mobile-cta .btn{flex:1 1 auto;height:48px}
.mobile-cta span{color:rgba(246,245,240,.7);font-size:13px;font-family:var(--font-mono)}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 560ms var(--ease),transform 560ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.reveal.d1{transition-delay:80ms}
.reveal.d2{transition-delay:160ms}
.reveal.d3{transition-delay:240ms}

/* 断点 */
@media (max-width:1023px){
  .nav-side,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-inner{height:66px}
  .brand{font-size:17px}
  .sticky-card{position:static;margin-top:8px}
  .footer-grid{grid-template-columns:1fr 1fr 1fr;gap:32px 24px}
  .footer-brand-col{grid-column:1 / -1}
}
@media (max-width:767px){
  body{font-size:16px}
  .mobile-cta{display:flex}
  .hero-collage{padding-right:0;padding-bottom:0}
  .collage-sub{position:static;width:100%;margin-top:14px;border-width:0;border-radius:var(--r-md);box-shadow:none;aspect-ratio:16/9}
  .collage-frame{display:none}
  .collage-main{aspect-ratio:16/10;max-height:42vh}
  .hero-metrics{grid-template-columns:1fr;gap:14px;padding-top:18px}
  .hero-metrics .metric{flex-direction:row;justify-content:space-between;align-items:baseline;border-bottom:1px solid var(--line);padding-bottom:10px}
  .flow-item{grid-template-columns:1fr;gap:12px;padding:28px 0}
  .flow-num{font-size:36px}
  .faq-q{padding:20px 6px 20px 16px;font-size:16px}
  .faq-a p{padding:0 20px 22px 16px}
  .cta-band .cta-inner .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px 20px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:520px){
  .grid-container{padding-left:16px;padding-right:16px}
  .footer-grid{grid-template-columns:1fr}
  .brand{font-size:15px}
  .brand .brand-tag{font-size:10px;padding:2px 6px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --ink:#10140F;
  --lime:#C8F04A;
  --lime-deep:#A9D42F;
  --jade:#2E6B4F;
  --paper:#F6F5F0;
  --surface:#FFFFFF;
  --line:#E4E2D8;
  --body:#333A31;
  --muted:#6B7064;
  --warn:#E4572E;
  --r-lg:18px;
  --r-md:12px;
  --r-sm:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,20,15,.06);
  --sh-2:0 18px 40px -24px rgba(16,20,15,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --font-mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
  --sec-gap:clamp(64px,9vw,128px);
}
/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--body);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--jade);text-decoration:none;transition:color 220ms var(--ease),border-color 220ms var(--ease);}
a:hover{color:var(--ink);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
::selection{background:var(--lime);color:var(--ink);}
.mono{font-family:var(--font-mono);}

/* 覆盖 Foundation 默认 */
.button,.button.primary,.button.secondary{
  background:none;color:inherit;border:none;border-radius:0;padding:0;margin:0;
  font-family:inherit;font-size:inherit;line-height:inherit;
}
table{border-collapse:collapse;background:transparent;margin:0;}
table thead{background:transparent;}
table tr:nth-of-type(even){background:transparent;}

/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media screen and (min-width:768px){
  .container{padding:0 32px;}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:52px;
  padding:0 30px;
  border-radius:var(--r-pill);
  font-weight:700;
  font-size:16px;
  letter-spacing:.01em;
  border:1.5px solid transparent;
  transition:background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),transform 220ms var(--ease);
  white-space:nowrap;
}
.btn .arrow{transition:transform 120ms var(--ease);}
.btn:hover .arrow{transform:translateX(4px);}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--ink);color:var(--lime);}
.btn-primary:active{background:var(--lime-deep);color:var(--ink);}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:var(--paper);}
.btn-lg{height:58px;padding:0 36px;font-size:17px;}
.btn-sm{height:42px;padding:0 20px;font-size:15px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;pointer-events:none;}
.link-line{
  display:inline-block;
  color:var(--ink);
  font-weight:700;
  border-bottom:2px solid var(--lime);
  padding-bottom:2px;
  transition:border-color 220ms var(--ease),color 220ms var(--ease);
}
.link-line:hover{border-color:var(--ink);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(246,245,240,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:74px;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
  gap:16px;
}
.nav-side{
  display:flex;
  align-items:center;
  gap:26px;
  flex:1 1 0;
  min-width:0;
}
.nav-side.left{justify-content:flex-start;}
.nav-side.right{justify-content:flex-end;}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--body);
  padding:6px 0;
  white-space:nowrap;
  transition:color 220ms var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:100%;
  bottom:0;
  height:3px;
  background:var(--lime);
  transition:right 220ms var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{right:0;}
.nav-link.is-active{color:var(--ink);}
.nav-link.is-active::after{right:0;}
.brand{
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  color:var(--ink);
  font-weight:800;
  font-size:19px;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand .brand-main{position:relative;}
.brand .brand-tag{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.08em;
  background:var(--ink);
  color:var(--lime);
  border-radius:var(--r-pill);
  padding:3px 8px;
  transform:translateY(-4px);
}
.nav-cta{flex:0 0 auto;}
.menu-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:var(--surface);
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.menu-toggle span{
  display:block;
  width:18px;
  height:1.6px;
  background:var(--ink);
  transition:transform 220ms var(--ease),opacity 220ms var(--ease);
}
.menu-toggle.is-open span:nth-child(1){transform:translateY(6.6px) rotate(45deg);}
.menu-toggle.is-open span:nth-child(2){opacity:0;}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg);}

/* 移动抽屉 */
.drawer{
  position:fixed;
  inset:0;
  z-index:80;
  background:var(--paper);
  transform:translateY(-102%);
  transition:transform 320ms var(--ease);
  display:flex;
  flex-direction:column;
}
.drawer.is-open{transform:translateY(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:74px;
  padding:0 20px;
  border-bottom:1px solid var(--line);
  flex:0 0 auto;
}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--surface);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--ink);
}
.drawer-body{flex:1 1 auto;overflow-y:auto;}
.drawer-link{
  display:flex;
  align-items:center;
  height:56px;
  padding:0 20px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-link.is-active{color:var(--jade);box-shadow:inset 3px 0 0 var(--lime);}
.drawer-foot{
  flex:0 0 auto;
  padding:16px 20px 26px;
  border-top:1px solid var(--line);
}
.drawer-foot .btn{width:100%;justify-content:center;}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  padding:24px 0 0;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--ink);}
.crumb .sep{color:var(--line);}
.crumb .current{color:var(--ink);font-weight:600;}

/* ============ Hero 纯排版 ============ */
.hero-type{
  padding:clamp(40px,6vw,72px) 0 clamp(48px,7vw,88px);
}
.hero-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  align-items:end;
}
@media screen and (min-width:1024px){
  .hero-grid{grid-template-columns:8fr 4fr;gap:48px;}
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--jade);
  text-transform:uppercase;
  margin-bottom:22px;
}
.hero-eyebrow::before{
  content:"";
  width:34px;
  height:1px;
  background:var(--jade);
  display:block;
}
.hero-title{
  font-size:clamp(2.25rem,5.6vw,5rem);
  font-weight:800;
  line-height:1.05;
  letter-spacing:-.02em;
  color:var(--ink);
}
.hero-title .hl{
  position:relative;
  display:inline-block;
}
.hero-title .hl::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:.06em;
  height:12px;
  background:var(--lime);
  z-index:-1;
}
.hero-title .bar{
  display:block;
  width:112px;
  height:8px;
  background:var(--lime);
  margin-top:26px;
  border-radius:2px;
}
.hero-sub{
  margin-top:26px;
  font-size:clamp(1rem,1.5vw,1.2rem);
  line-height:1.8;
  color:var(--muted);
  max-width:640px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:36px;
}
.hero-metrics{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
  margin-top:44px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.metric-label{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--muted);
  text-transform:uppercase;
}
.metric-value{
  margin-top:6px;
  font-size:1.05rem;
  font-weight:700;
  color:var(--ink);
}
.hero-slab{
  background:var(--ink);
  color:var(--paper);
  border-radius:var(--r-lg);
  padding:34px 30px;
  border-left:8px solid var(--lime);
  min-height:100%;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  gap:28px;
}
.hero-slab h2{
  font-size:1.3rem;
  font-weight:700;
  line-height:1.5;
  color:var(--paper);
}
.hero-slab .slab-list{display:grid;gap:14px;margin-top:4px;}
.hero-slab .slab-list li{
  list-style:none;
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:15px;
  color:rgba(246,245,240,.82);
  line-height:1.7;
}
.hero-slab .slab-list li::before{
  content:"";
  flex:0 0 auto;
  width:6px;
  height:6px;
  margin-top:11px;
  background:var(--lime);
  border-radius:50%;
}
.hero-slab .slab-foot{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--lime);
  border-top:1px solid rgba(246,245,240,.18);
  padding-top:16px;
}

/* ============ 通用板块 ============ */
.section{padding:var(--sec-gap) 0;}
.section-tight{padding:clamp(44px,6vw,72px) 0;}
.section-head{max-width:760px;}
.section-head h2{
  font-size:clamp(1.75rem,3.2vw,2.75rem);
  font-weight:700;
  line-height:1.2;
  letter-spacing:-.015em;
  color:var(--ink);
}
.section-head h2 .ul{
  display:block;
  width:72px;
  height:5px;
  background:var(--lime);
  margin-top:18px;
  border-radius:2px;
}
.section-head p{
  margin-top:20px;
  color:var(--muted);
  font-size:16.5px;
  line-height:1.9;
}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* 导语 + 分类标签 */
.lead-band{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:clamp(26px,3.6vw,44px);
  display:grid;
  gap:26px;
}
@media screen and (min-width:1024px){
  .lead-band{grid-template-columns:7fr 5fr;align-items:center;}
}
.lead-band p{font-size:17px;line-height:1.9;color:var(--body);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--ink);
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:8px 16px;
  transition:border-color 220ms var(--ease),background 220ms var(--ease);
}
.tag:hover{border-color:var(--lime);background:#fff;}
.tag.is-solid{background:var(--ink);color:var(--lime);border-color:var(--ink);}
.tag.is-jade{color:var(--jade);border-color:rgba(46,107,79,.35);background:rgba(46,107,79,.06);}

/* 排查顺序列表 */
.step-list{display:grid;gap:0;margin-top:12px;counter-reset:step;}
.step-item{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:22px;
  padding:28px 0;
  border-bottom:1px solid var(--line);
}
.step-item:first-child{border-top:1px solid var(--line);}
.step-num{
  font-family:var(--font-mono);
  font-size:15px;
  font-weight:700;
  color:var(--ink);
  background:var(--lime);
  border-radius:var(--r-pill);
  width:38px;
  height:38px;
  display:flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
}
.step-item h3{font-size:1.18rem;font-weight:700;color:var(--ink);margin-bottom:8px;}
.step-item p{color:var(--body);font-size:16px;line-height:1.85;}
.step-item .step-note{margin-top:10px;font-size:14px;color:var(--muted);}

/* 图文交错卡 */
.figure-card{
  display:grid;
  gap:28px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:clamp(22px,3vw,34px);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.figure-card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--sh-2);}
@media screen and (min-width:1024px){
  .figure-card{grid-template-columns:6fr 6fr;align-items:center;}
  .figure-card.reverse .figure-media{order:2;}
}
.figure-media{
  position:relative;
  border-radius:var(--r-md);
  overflow:hidden;
  background:var(--line);
  aspect-ratio:16 / 9;
}
.figure-media img{width:100%;height:100%;object-fit:cover;}
.figure-body h3{font-size:1.35rem;font-weight:700;color:var(--ink);}
.figure-body p{margin-top:14px;color:var(--body);font-size:16px;line-height:1.9;}
.plain-list{margin-top:16px;display:grid;gap:10px;}
.plain-list li{
  list-style:none;
  position:relative;
  padding-left:20px;
  font-size:15.5px;
  color:var(--muted);
  line-height:1.8;
}
.plain-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:8px;
  height:1.5px;
  background:var(--lime);
}

/* 对比表 */
.table-wrap{
  margin-top:34px;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--surface);
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
}
table.cmp{
  width:100%;
  min-width:760px;
  border-collapse:collapse;
  font-size:15.5px;
}
table.cmp thead th{
  background:var(--ink);
  color:var(--lime);
  font-family:var(--font-mono);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.08em;
  text-align:left;
  padding:18px 22px;
  white-space:nowrap;
}
table.cmp tbody td{
  border-top:1px solid var(--line);
  padding:20px 22px;
  vertical-align:top;
  line-height:1.8;
  color:var(--body);
}
table.cmp tbody tr:nth-child(even){background:#FBFAF6;}
table.cmp tbody td:first-child{font-weight:700;color:var(--ink);width:26%;}
table.cmp tbody td:nth-child(2){color:var(--muted);width:32%;}
.table-hint{
  margin-top:14px;
  font-size:13.5px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:8px;
}
.table-hint::before{
  content:"";
  width:14px;
  height:1.5px;
  background:var(--lime);
  flex:0 0 auto;
}

/* 安全提示块 */
.notice-grid{
  display:grid;
  gap:20px;
  margin-top:34px;
}
@media screen and (min-width:768px){
  .notice-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
.notice-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid var(--jade);
  border-radius:var(--r-md);
  padding:24px 26px;
  transition:border-color 220ms var(--ease),transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.notice-card:hover{transform:translateY(-4px);border-color:var(--lime);border-left-color:var(--lime);box-shadow:var(--sh-2);}
.notice-card h3{font-size:1.08rem;font-weight:700;color:var(--ink);}
.notice-card p{margin-top:10px;font-size:15.5px;color:var(--muted);line-height:1.85;}

/* FAQ 手风琴 */
.faq-layout{
  display:grid;
  gap:32px;
}
@media screen and (min-width:1024px){
  .faq-layout{grid-template-columns:4fr 8fr;gap:56px;}
}
.faq-aside{position:static;}
@media screen and (min-width:1024px){
  .faq-aside{position:sticky;top:106px;align-self:start;}
}
.faq-aside h2{
  font-size:clamp(1.75rem,3.2vw,2.5rem);
  font-weight:700;
  line-height:1.22;
  color:var(--ink);
}
.faq-aside p{margin-top:18px;color:var(--muted);font-size:16px;line-height:1.9;}
.faq-aside .btn{margin-top:26px;}
.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:flex-start;
  justify-content:space-between;
  gap:20px;
  padding:24px 18px 24px 0;
  position:relative;
  transition:padding 220ms var(--ease),color 220ms var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;
  top:22px;
  bottom:22px;
  width:3px;
  background:var(--lime);
  opacity:0;
  transition:opacity 220ms var(--ease);
}
.faq-item summary:hover .faq-q{color:var(--jade);}
.faq-q{
  font-size:1.06rem;
  font-weight:700;
  color:var(--ink);
  line-height:1.6;
  transition:color 220ms var(--ease);
}
.faq-icon{
  position:relative;
  flex:0 0 auto;
  width:26px;
  height:26px;
  border:1px solid var(--line);
  border-radius:50%;
  margin-top:2px;
  transition:border-color 220ms var(--ease),background 220ms var(--ease);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  background:var(--ink);
  transform:translate(-50%,-50%);
  transition:transform 200ms var(--ease),background 200ms var(--ease);
}
.faq-icon::before{width:11px;height:1.5px;}
.faq-icon::after{width:1.5px;height:11px;}
.faq-item summary:hover .faq-icon{border-color:var(--lime);background:var(--lime);}
.faq-item[open] summary{padding-left:20px;}
.faq-item[open] summary::before{opacity:1;}
.faq-item[open] .faq-icon{border-color:var(--ink);background:var(--ink);}
.faq-item[open] .faq-icon::before{background:var(--lime);}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);background:var(--lime);}
.faq-a{padding:0 18px 26px 20px;}
.faq-a p{font-size:16px;line-height:1.9;color:var(--body);}
.faq-a p + p{margin-top:12px;}

/* CTA 通栏 */
.cta-band{
  background:var(--ink);
  color:var(--paper);
  position:relative;
  overflow:hidden;
}
.cta-inner{
  display:grid;
  gap:26px;
  align-items:center;
  padding:clamp(48px,6vw,80px) 0;
}
@media screen and (min-width:1024px){
  .cta-inner{grid-template-columns:1fr auto;gap:48px;}
}
.cta-inner h2{
  font-size:clamp(1.6rem,3vw,2.4rem);
  font-weight:700;
  line-height:1.25;
  color:var(--paper);
}
.cta-inner p{
  margin-top:14px;
  color:rgba(246,245,240,.72);
  font-size:16px;
  max-width:640px;
}
.cta-rule{
  height:1px;
  background:var(--lime);
  opacity:.9;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-actions .btn-outline{border-color:rgba(246,245,240,.55);color:var(--paper);}
.cta-actions .btn-outline:hover{background:var(--paper);color:var(--ink);border-color:var(--paper);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:var(--paper);
  padding:clamp(48px,6vw,72px) 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:34px;
}
@media screen and (min-width:768px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media screen and (min-width:1024px){
  .footer-grid{grid-template-columns:2fr 1.2fr 1.2fr 1.2fr 1.4fr;gap:38px;}
}
.footer-brand{
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  font-size:19px;
  font-weight:800;
  color:var(--paper);
}
.footer-brand .brand-tag{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.08em;
  background:var(--lime);
  color:var(--ink);
  border-radius:var(--r-pill);
  padding:3px 8px;
  transform:translateY(-4px);
}
.footer-text{
  margin-top:18px;
  font-size:14.5px;
  line-height:1.9;
  color:rgba(246,245,240,.68);
  max-width:420px;
}
.footer-col h4{
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--lime);
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col li{list-style:none;}
.footer-col a{
  font-size:14.5px;
  color:rgba(246,245,240,.78);
  transition:color 220ms var(--ease);
}
.footer-col a:hover{color:var(--lime);}
.footer-note{
  font-size:14.5px;
  line-height:1.9;
  color:rgba(246,245,240,.68);
}
.footer-bottom{
  margin-top:clamp(36px,5vw,56px);
  border-top:1px solid rgba(246,245,240,.16);
  padding:22px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  justify-content:space-between;
  font-size:13.5px;
  color:rgba(246,245,240,.6);
}

/* ============ 移动吸底 CTA ============ */
.sticky-cta{
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:70;
  background:var(--ink);
  padding:12px 16px calc(12px + env(safe-area-inset-bottom,0px));
  display:none;
  align-items:center;
  gap:14px;
  opacity:0;
  transform:translateY(100%);
  transition:opacity 260ms var(--ease),transform 260ms var(--ease);
  box-shadow:0 -12px 30px -18px rgba(16,20,15,.6);
}
.sticky-cta.is-visible{opacity:1;transform:translateY(0);}
.sticky-cta .sticky-text{
  flex:1 1 auto;
  color:var(--paper);
  font-size:13.5px;
  line-height:1.5;
}
.sticky-cta .sticky-text strong{color:var(--lime);display:block;font-size:14.5px;}
.sticky-cta .btn{flex:0 0 auto;height:46px;padding:0 20px;font-size:15px;}

/* ============ 入场动效 ============ */
.reveal{
  opacity:0;
  transform:translateY(12px);
  animation:revealIn 620ms var(--ease) forwards;
}
.reveal.d1{animation-delay:80ms;}
.reveal.d2{animation-delay:160ms;}
.reveal.d3{animation-delay:240ms;}
@keyframes revealIn{
  to{opacity:1;transform:translateY(0);}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none;}
}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .nav-side.left{display:none;}
  .nav-side.right{display:none;}
  .nav-cta{display:none;}
  .menu-toggle{display:flex;}
  .nav-wrap{justify-content:space-between;}
  .brand{position:static;transform:none;font-size:17px;}
  .brand .brand-tag{font-size:10px;padding:2px 7px;}
  .hero-metrics{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;}
}
@media screen and (max-width:767px){
  body{font-size:16.5px;}
  .hero-metrics{grid-template-columns:1fr;gap:16px;border-top:1px solid var(--line);padding-top:20px;}
  .metric-value{font-size:1rem;}
  .hero-slab{padding:26px 22px;}
  .hero-title .bar{width:84px;height:7px;margin-top:20px;}
  .step-item{grid-template-columns:1fr;gap:14px;}
  .figure-card{padding:20px;}
  .faq-item summary{padding:20px 14px 20px 0;}
  .faq-item[open] summary{padding-left:16px;}
  .faq-a{padding:0 14px 22px 16px;}
  .cta-actions .btn{width:100%;justify-content:center;}
  .sticky-cta{display:flex;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:519px){
  .container{padding:0 16px;}
  .nav-wrap{padding:0 16px;}
  .brand{font-size:15.5px;}
  .btn{height:48px;padding:0 22px;font-size:15px;}
  .hero-eyebrow{font-size:11px;letter-spacing:.1em;}
}