/* roulang page: index */
:root{
  --ink:#0B0F0E;
  --ink-2:#1A211F;
  --brand:#C6F24E;
  --brand-ink:#0B0F0E;
  --jade:#1F9C7E;
  --paper:#F4F5F0;
  --paper-2:#E9EBE3;
  --line:#D9DCD2;
  --muted:#6B736C;
  --danger:#E5484D;
  --r-card:12px;
  --r-img:10px;
  --r-btn:8px;
  --r-tag:4px;
  --shadow:0 1px 2px rgba(11,15,14,.06),0 12px 32px rgba(11,15,14,.08);
  --ease:cubic-bezier(.16,1,.3,1);
  --nav-w:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;font-weight:600;letter-spacing:-.02em}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.shell{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column}
main{flex:1}

/* ---------- 侧边导航 ---------- */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--nav-w);
  background:var(--ink);color:#E7EAE4;
  z-index:120;display:flex;flex-direction:column;
  transition:width .18s var(--ease);
  overflow:hidden;
}
.sidebar:hover,.sidebar:focus-within{width:232px}
.brand{
  display:flex;align-items:center;gap:14px;
  padding:22px 26px;border-bottom:1px solid rgba(255,255,255,.1);
  min-height:88px;flex:0 0 auto;
}
.brand-mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:10px;
  background:var(--brand);color:var(--brand-ink);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:17px;letter-spacing:-.04em;
}
.brand-name{
  font-size:15px;font-weight:700;color:#fff;white-space:nowrap;
  opacity:0;transition:opacity .18s var(--ease);
}
.sidebar:hover .brand-name,.sidebar:focus-within .brand-name{opacity:1}
.nav-list{flex:1 1 auto;padding:18px 0;overflow-y:auto;overflow-x:hidden}
.nav-item{
  position:relative;display:flex;align-items:center;gap:16px;
  padding:14px 26px;min-height:54px;
  color:#A9B2AA;white-space:nowrap;
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-item i{width:20px;flex:0 0 20px;text-align:center;font-size:16px}
.nav-txt{font-size:14.5px;font-weight:600;opacity:0;transition:opacity .18s var(--ease)}
.sidebar:hover .nav-txt,.sidebar:focus-within .nav-txt{opacity:1}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-item[aria-current="page"]{color:#fff}
.nav-item[aria-current="page"]::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--brand);border-radius:0 3px 3px 0;
}
.nav-item:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.nav-cta-wrap{padding:18px 20px 24px;flex:0 0 auto;border-top:1px solid rgba(255,255,255,.1)}
.nav-cta{
  display:flex;align-items:center;justify-content:center;gap:10px;
  height:46px;border-radius:var(--r-btn);
  background:var(--brand);color:var(--brand-ink);
  font-weight:700;font-size:14px;white-space:nowrap;
  transition:transform .18s var(--ease),background .18s var(--ease);
}
.nav-cta:hover{background:#B6E23C}
.nav-cta:active{transform:scale(.98)}
.nav-cta .nav-cta-txt{opacity:0;transition:opacity .18s var(--ease)}
.sidebar:hover .nav-cta .nav-cta-txt,.sidebar:focus-within .nav-cta .nav-cta-txt{opacity:1}
.nav-cta:focus-visible{outline:2px solid var(--brand);outline-offset:3px}

/* ---------- 移动端顶栏 ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:130;
  background:var(--ink);color:#fff;align-items:center;justify-content:space-between;
  padding:0 18px;border-bottom:1px solid rgba(255,255,255,.1);
}
.topbar .brand-mark{width:36px;height:36px;flex:0 0 36px;font-size:15px;border-radius:8px}
.topbar-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px}
.burger{
  width:44px;height:44px;border:1px solid rgba(255,255,255,.22);border-radius:8px;
  background:transparent;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;
}
.burger span{display:block;width:18px;height:2px;background:#fff;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer{
  position:fixed;top:64px;left:0;right:0;bottom:0;z-index:110;
  background:var(--ink);padding:24px 22px 40px;overflow-y:auto;
  transform:translateX(100%);transition:transform .26s var(--ease);display:none;
}
.drawer.open{transform:translateX(0)}
.drawer-item{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 4px;border-bottom:1px solid rgba(255,255,255,.12);
  color:#E7EAE4;font-size:19px;font-weight:700;
}
.drawer-item[aria-current="page"]{color:var(--brand)}
.drawer-item i{font-size:14px;color:var(--muted)}
.drawer-sublist{border-bottom:1px solid rgba(255,255,255,.12);padding:8px 0 16px}
.drawer-sub{display:block;padding:10px 4px;color:#A9B2AA;font-size:15px}
.drawer-cta{
  display:flex;align-items:center;justify-content:center;gap:10px;margin-top:28px;height:52px;
  border-radius:var(--r-btn);background:var(--brand);color:var(--brand-ink);font-weight:700;
}
body.lock{overflow:hidden}

/* ---------- 按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-weight:700;font-size:15px;border:1px solid transparent;cursor:pointer;
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .16s var(--ease),color .2s var(--ease);
}
.btn i{transition:transform .22s var(--ease)}
.btn:hover i{transform:translateX(4px)}
.btn-primary{background:var(--brand);color:var(--brand-ink);border-radius:999px}
.btn-primary:hover{background:#B6E23C}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.34)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#1c2422}
.btn-text{display:inline-flex;align-items:center;gap:8px;color:var(--jade);font-weight:700;font-size:14px}
.btn-text i{transition:transform .22s var(--ease)}
.btn-text:hover i{transform:translateX(4px)}
.btn:active{transform:scale(.98)}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.btn[disabled]{opacity:.45;pointer-events:none}
.tag{
  display:inline-block;padding:4px 10px;border-radius:var(--r-tag);
  background:var(--paper-2);color:var(--ink);font-size:12.5px;font-weight:600;line-height:1.5;
}
.tag-jade{background:transparent;border:1px solid var(--jade);color:var(--jade)}
.tag-dark{background:rgba(255,255,255,.1);color:#E7EAE4}

/* ---------- 板块通用 ---------- */
.sec{padding:96px 0}
.sec-light{background:var(--paper);color:var(--ink)}
.sec-dark{background:var(--ink);color:#fff}
.sec-head{border-top:1px solid var(--line);padding-top:32px;margin-bottom:48px}
.sec-dark .sec-head{border-top-color:rgba(255,255,255,.16)}
.sec-no{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.16em;
  color:var(--jade);margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.sec-dark .sec-no{color:var(--brand)}
.sec-title{
  font-size:clamp(26px,3.2vw,40px);line-height:1.2;font-weight:700;letter-spacing:-.02em;
  max-width:22ch;
}
.sec-sub{margin-top:16px;color:var(--muted);font-size:16px;max-width:68ch}
.sec-dark .sec-sub{color:#A9B2AA}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:118px 0 104px}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.62}
.hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(115deg,rgba(11,15,14,.94) 0%,rgba(11,15,14,.78) 46%,rgba(11,15,14,.6) 100%),
    repeating-linear-gradient(0deg,rgba(255,255,255,.045) 0 1px,transparent 1px 76px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.045) 0 1px,transparent 1px 76px);
}
.hero-inner{position:relative;z-index:2;max-width:900px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;padding:7px 14px;border-radius:999px;
  border:1px solid rgba(198,242,78,.4);color:var(--brand);font-size:13px;font-weight:600;margin-bottom:24px;
}
.hero h1{
  font-size:clamp(32px,5.1vw,62px);line-height:1.1;font-weight:700;letter-spacing:-.02em;
  padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.18);
}
.hero-sub{margin-top:26px;font-size:clamp(16px,1.6vw,19px);color:#D6DCD4;max-width:640px}
.hero-actions{margin-top:36px;display:flex;flex-wrap:wrap;gap:14px}
.hero-foot{
  margin-top:56px;display:flex;flex-wrap:wrap;gap:14px 32px;
  font-size:13.5px;color:#96A096;
}
.hero-foot span{display:inline-flex;align-items:center;gap:8px}
.hero-foot i{color:var(--brand)}

/* ---------- 指标看板 ---------- */
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.metric{
  padding:28px 28px 30px 0;border-top:1px solid rgba(255,255,255,.18);
  border-right:1px solid rgba(255,255,255,.12);
}
.metric:last-child{border-right:0}
.metric-no{font-size:12px;letter-spacing:.16em;color:#7D877E;font-variant-numeric:tabular-nums}
.metric-val{display:block;margin:18px 0 10px;font-size:clamp(30px,3.4vw,44px);color:var(--brand);line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.02em;font-weight:600}
.metric-desc{color:#A9B2AA;font-size:14px}

/* ---------- 服务矩阵 ---------- */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.mx-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px;display:flex;flex-direction:column;gap:14px;
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.mx-card:hover{transform:translateY(-2px);border-color:var(--jade);box-shadow:var(--shadow)}
.mx-no{font-size:13px;color:var(--jade);letter-spacing:.14em;font-variant-numeric:tabular-nums}
.mx-card h3{font-size:22px;line-height:1.35;font-weight:700}
.mx-card p{color:var(--muted);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mx-link{margin-top:auto;display:inline-flex;align-items:center;gap:8px;color:var(--jade);font-weight:700;font-size:14px}
.mx-link i{transition:transform .22s var(--ease)}
.mx-card:hover .mx-link i{transform:translateX(4px)}
.mx-feature{
  grid-column:span 2;padding:0;overflow:hidden;flex-direction:row;align-items:stretch;gap:0;
}
.mx-feature .mx-fig{flex:0 0 46%;position:relative;background:var(--paper-2);min-height:240px;overflow:hidden}
.mx-feature .mx-fig img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.mx-feature:hover .mx-fig img{transform:scale(1.03)}
.mx-feature .mx-body{padding:30px 28px;display:flex;flex-direction:column;gap:14px;justify-content:center}
.mx-feature h3{font-size:clamp(22px,2.2vw,26px)}
.mx-feature p{-webkit-line-clamp:3}

/* ---------- 结果对比 ---------- */
.cmp{
  border:1px solid var(--line);border-radius:var(--r-card);background:#fff;overflow:hidden;
}
.cmp-head{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;
  padding:16px 26px;background:var(--paper-2);
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--muted);
}
.cmp-row{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center;
  min-height:56px;padding:16px 26px;border-top:1px solid var(--line);
  transition:background .2s var(--ease);
}
.cmp-row:hover{background:var(--paper)}
.cmp-from{color:var(--muted);font-size:15px}
.cmp-to{display:flex;align-items:center;gap:12px;font-size:15px;font-weight:600}
.cmp-to i{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  background:var(--brand);color:var(--brand-ink);font-size:11px;
  display:inline-flex;align-items:center;justify-content:center;
}
.cmp-bar{height:3px;border-radius:2px;background:var(--paper-2);overflow:hidden;margin-top:10px}
.cmp-bar span{display:block;height:100%;background:var(--jade)}

/* ---------- 最新信息（CMS 列表） ---------- */
.news-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:32px;margin-bottom:40px}
.news-list{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.news-card{
  display:flex;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.news-card:hover{transform:translateY(-2px);border-color:var(--jade);box-shadow:var(--shadow)}
.news-thumb{flex:0 0 190px;aspect-ratio:16/9;border-radius:var(--r-img);overflow:hidden;background:var(--paper-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{display:flex;flex-direction:column;gap:10px;min-width:0;flex:1}
.news-title{
  font-size:17.5px;line-height:1.45;font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-desc{
  color:var(--muted);font-size:14.5px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:var(--muted)}
.news-meta .more{display:inline-flex;align-items:center;gap:6px;color:var(--jade);font-weight:700}
.news-meta .more i{transition:transform .22s var(--ease)}
.news-card:hover .news-meta .more i{transform:translateX(4px)}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);padding:56px 24px;text-align:center;background:#fff;
}
.empty-state i{font-size:26px;color:var(--muted)}
.empty-state p{margin:16px 0 20px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{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:24px;
  padding:22px 0;background:none;border:0;cursor:pointer;text-align:left;
  font-size:19px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--jade)}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.faq-q .ico{
  flex:0 0 30px;width:30px;height:30px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;color:var(--ink);
  transition:transform .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease);
}
.faq-item.open .faq-q .ico{transform:rotate(180deg);background:var(--brand);border-color:var(--brand)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s var(--ease)}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a > div{overflow:hidden}
.faq-a p{font-size:15px;line-height:1.8;color:var(--muted);padding:0 0 24px;max-width:74ch}

/* ---------- 转化表单 ---------- */
.lead{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:96px 0}
.lead::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,.04) 0 1px,transparent 1px 90px);
  pointer-events:none;
}
.lead-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:start}
.lead h2{font-size:clamp(26px,3.2vw,38px);line-height:1.2;letter-spacing:-.02em;font-weight:700;padding-bottom:24px;border-bottom:1px solid rgba(255,255,255,.16)}
.lead-points{margin-top:30px;display:flex;flex-direction:column;gap:14px}
.lead-points li{display:flex;align-items:center;gap:12px;font-size:15px;color:#D6DCD4}
.lead-points i{width:22px;height:22px;border-radius:50%;background:var(--brand);color:var(--brand-ink);font-size:10px;display:inline-flex;align-items:center;justify-content:center;flex:0 0 22px}
.lead-fig{margin-top:34px;border-radius:var(--r-img);overflow:hidden;background:var(--ink-2);max-width:420px}
.lead-fig img{width:100%;aspect-ratio:16/9;object-fit:cover}
.lead-card{background:var(--paper);color:var(--ink);border-radius:var(--r-card);padding:32px;border:1px solid var(--line)}
.lead-card h3{font-size:20px;font-weight:700;margin-bottom:6px}
.lead-card > p{color:var(--muted);font-size:14px;margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:112px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#9AA39B}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--jade);box-shadow:0 0 0 2px rgba(198,242,78,.85);
}
.field.error input,.field.error select{border-color:var(--danger)}
.err-msg{display:none;margin-top:6px;font-size:13px;color:var(--danger)}
.field.error .err-msg{display:block}
.lead-submit{width:100%;margin-top:8px}
.form-note{margin-top:14px;font-size:12.5px;color:var(--muted);line-height:1.7}
.form-ok{
  display:none;margin-top:16px;padding:14px 16px;border-radius:var(--r-btn);
  background:rgba(31,156,126,.12);border:1px solid var(--jade);color:#146854;font-size:14px;
}
.form-ok.show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#A9B2AA;padding:72px 0 28px;border-top:1px solid rgba(255,255,255,.1)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:700;font-size:16px;margin-bottom:18px}
.footer-brand .brand-mark{width:38px;height:38px;flex:0 0 38px;font-size:15px;border-radius:9px}
.site-footer h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:18px;letter-spacing:.04em}
.footer-links li{margin-bottom:12px}
.footer-links a{font-size:14px;transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--brand)}
.site-footer p{font-size:14px;line-height:1.8}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;font-size:13px;color:#7D877E;
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .26s var(--ease),transform .26s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  *{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 (max-width:1279.98px){
  .sec{padding:80px 0}
  .news-list{grid-template-columns:1fr}
}
@media (max-width:1023.98px){
  .sidebar{display:none}
  .topbar{display:flex}
  .drawer{display:block}
  .shell{margin-left:0;padding-top:64px}
  .hero{padding:72px 0 64px}
  .metrics-grid{grid-template-columns:1fr 1fr}
  .metric{padding:24px 20px 24px 0}
  .metric:nth-child(2n){border-right:0;padding-right:0}
  .matrix{grid-template-columns:1fr 1fr}
  .mx-feature{grid-column:span 2;flex-direction:column}
  .mx-feature .mx-fig{flex:0 0 auto;aspect-ratio:16/9;min-height:0}
  .lead-grid{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:639.98px){
  .sec{padding:56px 0}
  .container{padding:0 18px}
  .hero{padding:56px 0 52px}
  .hero h1{font-size:clamp(28px,8vw,36px)}
  .hero-actions{flex-direction:column;align-items:stretch}
  .btn{width:100%}
  .btn-text{width:auto}
  .metrics-grid{grid-template-columns:1fr 1fr}
  .metric-val{font-size:28px}
  .matrix{grid-template-columns:1fr}
  .mx-feature{grid-column:span 1}
  .cmp-head{display:none}
  .cmp-row{grid-template-columns:1fr;gap:10px;padding:18px}
  .cmp-to{font-weight:700}
  .news-card{flex-direction:column}
  .news-thumb{flex:0 0 auto;width:100%}
  .lead-card{padding:22px}
  .footer-grid{grid-template-columns:1fr}
  .faq-q{font-size:17px}
}

/* roulang page: category1 */
:root{
  --ink:#0B0F0E;
  --ink-2:#1A211F;
  --brand:#C6F24E;
  --brand-ink:#0B0F0E;
  --jade:#1F9C7E;
  --paper:#F4F5F0;
  --paper-2:#E9EBE3;
  --line:#D9DCD2;
  --muted:#6B736C;
  --danger:#E5484D;
  --r-card:12px;
  --r-img:10px;
  --r-btn:8px;
  --r-tag:4px;
  --sh-1:0 1px 2px rgba(11,15,14,.06), 0 12px 32px rgba(11,15,14,.08);
  --ease:cubic-bezier(.16,1,.3,1);
  --nav-w:96px;
  --nav-w-open:232px;
  --font-zh:"HarmonyOS Sans","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-zh);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,li,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border-radius:var(--r-img)}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
::selection{background:var(--brand);color:var(--brand-ink)}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums;font-weight:600;letter-spacing:-.02em}

/* ============ 左侧竖向导航 ============ */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;
  width:var(--nav-w);
  background:var(--ink);
  display:flex;flex-direction:column;
  padding:20px 0 24px;
  z-index:60;
  transition:width 180ms var(--ease);
  overflow:hidden;
}
.side-nav:hover,.side-nav:focus-within{width:var(--nav-w-open)}
.brand{
  display:flex;align-items:center;gap:12px;
  padding:0 20px 22px;
  color:#fff;
  white-space:nowrap;
}
.brand-mark{
  flex:0 0 40px;height:40px;border-radius:10px;
  display:grid;place-items:center;
  background:var(--brand);color:var(--brand-ink);
  font-weight:700;font-size:16px;letter-spacing:-.02em;
}
.brand-text{
  font-size:15px;font-weight:600;letter-spacing:.01em;
  opacity:0;transform:translateX(-8px);
  transition:opacity 180ms var(--ease),transform 180ms var(--ease);
}
.side-nav:hover .brand-text,.side-nav:focus-within .brand-text{opacity:1;transform:none}
.nav-list{display:flex;flex-direction:column;gap:4px;padding:0 12px;flex:1 1 auto;overflow-y:auto}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:14px;
  height:46px;padding:0 12px;
  border-radius:var(--r-btn);
  color:#9DA6A0;
  white-space:nowrap;
  transition:background 160ms var(--ease),color 160ms var(--ease);
}
.nav-item i{flex:0 0 20px;font-size:16px;text-align:center}
.nav-txt{
  font-size:14.5px;
  opacity:0;transform:translateX(-8px);
  transition:opacity 180ms var(--ease),transform 180ms var(--ease);
}
.side-nav:hover .nav-txt,.side-nav:focus-within .nav-txt{opacity:1;transform:none}
.nav-item:hover{background:var(--ink-2);color:#fff}
.nav-item::before{
  content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--brand);border-radius:0 3px 3px 0;
  transition:height 180ms var(--ease);
}
.nav-item.is-active{color:#fff;background:var(--ink-2)}
.nav-item.is-active::before{height:24px}
.side-cta{
  margin:16px 12px 0;
  display:flex;align-items:center;gap:12px;
  height:46px;padding:0 12px;
  border-radius:999px;
  background:var(--brand);color:var(--brand-ink);
  font-size:14.5px;font-weight:600;white-space:nowrap;
  transition:background 160ms var(--ease),transform 120ms var(--ease);
}
.side-cta i{flex:0 0 20px;text-align:center}
.side-cta span{opacity:0;transform:translateX(-8px);transition:opacity 180ms var(--ease),transform 180ms var(--ease)}
.side-nav:hover .side-cta span,.side-nav:focus-within .side-cta span{opacity:1;transform:none}
.side-cta:hover{background:#B7E23C}
.side-cta:active{transform:scale(.98)}

/* ============ 移动端导航 ============ */
.m-header{
  display:none;
  position:fixed;top:0;left:0;right:0;height:64px;z-index:70;
  background:var(--ink);
  align-items:center;justify-content:space-between;
  padding:0 18px;
}
.m-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:15px;font-weight:600}
.m-brand .brand-mark{flex:0 0 34px;height:34px;font-size:14px;border-radius:9px}
.burger{
  width:42px;height:42px;border-radius:10px;
  background:var(--ink-2);color:#fff;font-size:17px;
  display:grid;place-items:center;
}
.drawer{
  position:fixed;inset:0;z-index:80;
  background:var(--ink);
  padding:84px 24px 32px;
  display:flex;flex-direction:column;gap:8px;
  transform:translateY(-100%);
  transition:transform 240ms var(--ease);
  visibility:hidden;
}
.drawer.is-open{transform:none;visibility:visible}
.drawer .drawer-close{
  position:absolute;top:18px;right:18px;
  width:42px;height:42px;border-radius:10px;
  background:var(--ink-2);color:#fff;display:grid;place-items:center;font-size:18px;
}
.drawer .nav-item{height:58px;font-size:18px;color:#C8CFC9;padding:0 14px;background:var(--ink-2)}
.drawer .nav-item .nav-txt{opacity:1;transform:none;font-size:17px;font-weight:600}
.drawer .nav-item.is-active{color:var(--brand)}
.drawer .side-cta{margin:18px 0 0;height:54px;justify-content:center}
.drawer .side-cta span{opacity:1;transform:none}
body.no-scroll{overflow:hidden}

/* ============ 主体 ============ */
.site-main{padding-left:var(--nav-w);min-height:100vh}

/* Hero */
.hero{
  position:relative;
  background:var(--ink) url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  color:#fff;
  padding:112px 0 96px;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,15,14,.88) 0%,rgba(11,15,14,.72) 55%,rgba(11,15,14,.92) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(198,242,78,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(198,242,78,.07) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted)}
.crumb a{color:var(--muted);transition:color 160ms var(--ease)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#4C544E}
.crumb .cur{color:#fff;font-weight:600}
.hero h1{
  margin:22px 0 0;
  font-size:60px;line-height:1.1;font-weight:700;letter-spacing:-.02em;
  max-width:16em;
}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{
  margin-top:20px;max-width:70ch;
  font-size:17px;line-height:1.8;color:#D3D8D2;
}
.hero-line{width:88px;height:1px;background:var(--brand);margin:32px 0 0}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  transition:background 160ms var(--ease),color 160ms var(--ease),transform 120ms var(--ease),border-color 160ms var(--ease);
}
.btn i{transition:transform 200ms var(--ease)}
.btn:hover i{transform:translateX(4px)}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--brand);color:var(--brand-ink);border-radius:999px}
.btn-primary:hover{background:#B7E23C}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.4)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#1F2725}
.btn-jade{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--jade);
  border-bottom:1px solid transparent;
}
.btn-jade:hover{border-bottom-color:var(--jade)}
.btn-jade i{transition:transform 200ms var(--ease)}
.btn-jade:hover i{transform:translateX(4px)}

/* 板块 */
.section{padding:104px 0}
.section-light{background:var(--paper)}
.section-dark{background:var(--ink);color:#fff}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:52px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--jade);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--jade)}
.section-dark .eyebrow{color:var(--brand)}
.section-dark .eyebrow::before{background:var(--brand)}
.section h2{
  margin-top:14px;
  font-size:38px;line-height:1.2;font-weight:700;letter-spacing:-.02em;
  max-width:22em;
}
.section-head p{max-width:64ch;color:var(--muted);font-size:15.5px}
.section-dark .section-head p{color:#B9C0BA}
.rule{height:1px;background:var(--line);margin:0 0 40px}
.section-dark .rule{background:rgba(255,255,255,.14)}

/* 分栏索引 + 条目流 */
.split{display:grid;grid-template-columns:280px 1fr;gap:64px;align-items:start}
.side-index{position:sticky;top:48px}
.side-index h3{font-size:15px;font-weight:600;letter-spacing:.02em;margin-bottom:18px;color:var(--muted)}
.side-index ul{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.side-index li{border-bottom:1px solid var(--line)}
.side-index a{
  display:flex;gap:12px;align-items:baseline;
  padding:13px 4px;font-size:14.5px;color:var(--muted);
  transition:color 160ms var(--ease),padding-left 160ms var(--ease);
}
.side-index a .idx{font-size:12.5px;color:var(--jade);font-weight:600}
.side-index a:hover{color:var(--ink);padding-left:10px}
.side-figure{margin-top:26px}
.side-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--paper-2)}
.side-figure figcaption{margin-top:10px;font-size:13px;color:var(--muted);line-height:1.6}

.entry-list{display:flex;flex-direction:column}
.entry{
  display:grid;grid-template-columns:76px 1fr;
  gap:24px;
  padding:34px 0;
  border-top:1px solid var(--line);
  transition:background 200ms var(--ease);
}
.entry:last-child{border-bottom:1px solid var(--line)}
.entry:hover{background:var(--paper-2)}
.entry-no{
  font-size:34px;line-height:1;font-weight:600;letter-spacing:-.02em;
  color:var(--ink);opacity:.22;
}
.entry-body h3{font-size:23px;line-height:1.35;font-weight:700;letter-spacing:-.01em}
.entry-body p{margin-top:12px;color:var(--muted);font-size:15px;max-width:66ch}
.entry-link{margin-top:16px;display:inline-flex}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:var(--r-tag);
  background:var(--paper-2);color:var(--ink);
  font-size:12.5px;font-weight:600;
}
.tag-jade{background:transparent;border:1px solid var(--jade);color:var(--jade)}

/* 流程步骤 */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.flow-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px 30px;
  transition:border-color 200ms var(--ease),transform 200ms var(--ease),box-shadow 200ms var(--ease);
}
.flow-card:hover{border-color:var(--jade);transform:translateY(-2px);box-shadow:var(--sh-1)}
.flow-card .no{
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--jade);
}
.flow-card h3{margin-top:18px;font-size:19px;line-height:1.4;font-weight:700}
.flow-card p{margin-top:12px;font-size:14.5px;color:var(--muted)}
.flow-bar{margin-top:20px;height:3px;background:var(--paper-2);border-radius:2px;overflow:hidden}
.flow-bar span{display:block;height:100%;background:var(--brand);border-radius:2px}

/* 对照 */
.compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff}
.compare-col{padding:0}
.compare-col + .compare-col{border-left:1px solid var(--line)}
.compare-head{
  padding:16px 26px;background:var(--paper-2);
  font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--ink);
}
.compare-col:last-child .compare-head{background:var(--ink);color:#fff}
.compare-row{
  display:flex;align-items:center;gap:14px;
  min-height:56px;padding:12px 26px;
  border-top:1px solid var(--line);
  font-size:15px;
}
.compare-row small{display:block;color:var(--muted);font-size:13px}
.compare-row i{color:var(--jade);font-size:14px}
.compare-col:last-child .compare-row strong{color:var(--jade);font-weight:600}
.compare-col:last-child .compare-row small{color:var(--muted)}

/* 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:24px 4px;text-align:left;
  font-size:19px;font-weight:600;line-height:1.5;
  transition:color 160ms var(--ease);
}
.faq-q:hover{color:var(--jade)}
.faq-q i{font-size:15px;color:var(--jade);transition:transform 180ms var(--ease);flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms var(--ease)}
.faq-item.is-open .faq-a{max-height:460px}
.faq-a p{padding:0 4px 26px;font-size:15px;line-height:1.8;color:var(--muted);max-width:74ch}

/* CTA 表单 */
.lead-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.lead-points{margin-top:28px;display:flex;flex-direction:column;gap:14px}
.lead-points li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:#C8CFC9}
.lead-points i{color:var(--brand);margin-top:5px;font-size:13px}
.lead-figure{margin-top:40px}
.lead-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--ink-2)}
.form-card{
  background:#fff;color:var(--ink);
  border-radius:var(--r-card);padding:36px 34px 32px;
}
.field{margin-bottom:20px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--paper);
  transition:border-color 160ms var(--ease),box-shadow 160ms var(--ease);
}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--jade);box-shadow:0 0 0 2px var(--brand);
}
.form-card .btn-primary{width:100%;justify-content:center;margin-top:6px}
.form-note{margin-top:16px;font-size:13px;line-height:1.7;color:var(--muted)}
.form-msg{
  margin-top:14px;font-size:13.5px;color:var(--jade);
  display:none;
}
.form-msg.is-show{display:block}

/* 页脚 */
.site-footer{background:var(--ink);color:#B9C0BA;padding:76px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-size:16px;font-weight:600;margin-bottom:16px}
.footer-brand .brand-mark{width:38px;height:38px;border-radius:10px;background:var(--brand);color:var(--brand-ink);display:grid;place-items:center;font-size:14px;font-weight:700}
.site-footer p{font-size:14px;line-height:1.8}
.site-footer h4{color:#fff;font-size:14.5px;font-weight:600;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#B9C0BA;transition:color 160ms var(--ease)}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--muted);
}

/* 动效 */
.reveal{opacity:0;transform:translateY(14px);transition:opacity 260ms var(--ease),transform 260ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:60ms}
.reveal[data-d="2"]{transition-delay:120ms}
.reveal[data-d="3"]{transition-delay:180ms}

/* 响应式 */
@media (max-width:1279px){
  .hero h1{font-size:54px}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1023px){
  :root{--nav-w:0px}
  .side-nav{display:none}
  .m-header{display:flex}
  .site-main{padding-left:0;padding-top:64px}
  .container{padding:0 22px}
  .hero{padding:64px 0 72px}
  .hero h1{font-size:40px}
  .section{padding:72px 0}
  .section h2{font-size:29px}
  .split{grid-template-columns:1fr;gap:40px}
  .side-index{position:static}
  .lead-grid{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  .compare-wrap{grid-template-columns:1fr}
  .compare-col + .compare-col{border-left:0;border-top:1px solid var(--line)}
  .flow-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .hero{padding:48px 0 60px}
  .hero h1{font-size:32px}
  .hero-sub{font-size:15.5px}
  .section{padding:56px 0}
  .section h2{font-size:25px}
  .entry{grid-template-columns:1fr;gap:10px;padding:26px 0}
  .entry-no{font-size:26px}
  .entry-body h3{font-size:20px}
  .faq-q{font-size:17px;padding:20px 2px}
  .form-card{padding:26px 20px 24px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .btn{width:100%;justify-content:center}
  .hero-actions{flex-direction:column;align-items:stretch}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1 !important;transform:none !important}
}

/* roulang page: article */
:root{
  --ink:#0B0F0E;
  --ink-2:#1A211F;
  --brand:#C6F24E;
  --brand-ink:#0B0F0E;
  --jade:#1F9C7E;
  --paper:#F4F5F0;
  --paper-2:#E9EBE3;
  --card:#FFFFFF;
  --line:#D9DCD2;
  --muted:#6B736C;
  --danger:#E5484D;
  --r-card:12px;
  --r-img:10px;
  --r-btn:8px;
  --shadow-1:0 1px 2px rgba(11,15,14,.06),0 12px 32px rgba(11,15,14,.08);
  --ease:cubic-bezier(.16,1,.3,1);
  --side:96px;
  --side-open:232px;
  --h1:clamp(30px,4.4vw,54px);
  --h2:clamp(24px,2.6vw,38px);
  --h3:22px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-left:var(--side);
  font-family:"HarmonyOS Sans","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:22px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}

/* ---------- 左侧竖栏导航 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--side);
  background:var(--ink);color:#fff;z-index:80;
  display:flex;flex-direction:column;gap:26px;
  padding:26px 18px;overflow:hidden;
  transition:width 180ms var(--ease);
}
.sidebar:hover,.sidebar:focus-within{width:var(--side-open);}
.brand{display:flex;align-items:center;gap:12px;color:#fff;min-width:0;}
.brand-mark{
  flex:0 0 40px;width:40px;height:40px;border-radius:10px;
  display:grid;place-items:center;background:var(--brand);color:var(--brand-ink);
  font-weight:700;font-size:15px;letter-spacing:-.02em;
}
.brand-full{font-size:15px;font-weight:600;white-space:nowrap;letter-spacing:-.01em;}
.nav-list{display:flex;flex-direction:column;gap:6px;flex:1 1 auto;margin:0;padding:0;list-style:none;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:12px;border-radius:8px;font-size:14px;
  color:rgba(255,255,255,.72);
  transition:background 160ms var(--ease),color 160ms var(--ease);
}
.nav-item i{flex:0 0 20px;text-align:center;font-size:15px;}
.nav-item:hover{background:var(--ink-2);color:#fff;}
.nav-item[aria-current="page"]{background:var(--ink-2);color:#fff;}
.nav-item[aria-current="page"]::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:2px;background:var(--brand);
}
.nav-txt{flex:1 1 auto;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.side-cta{
  display:flex;align-items:center;gap:10px;padding:13px 12px;border-radius:8px;
  background:var(--brand);color:var(--brand-ink);font-weight:600;font-size:14px;
  transition:background 160ms var(--ease),transform 120ms var(--ease);
}
.side-cta:hover{background:#b6e63e;}
.side-cta:active{transform:scale(.98);}
.fold{opacity:0;transform:translateX(-8px);transition:opacity 160ms var(--ease),transform 160ms var(--ease);}
.sidebar:hover .fold,.sidebar:focus-within .fold{opacity:1;transform:none;}
.menu-toggle{display:none;}

/* ---------- 文章页头 ---------- */
.article-hero{
  position:relative;background:var(--ink);color:#fff;overflow:hidden;
  padding:56px 0 64px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  opacity:.26;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;
}
.article-hero .container{position:relative;z-index:2;}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.6);margin-bottom:26px;
}
.crumbs a{color:rgba(255,255,255,.6);transition:color 160ms var(--ease);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:rgba(255,255,255,.3);}
.crumbs strong{color:#fff;font-weight:600;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:4px;font-size:12.5px;font-weight:600;
  background:var(--paper-2);color:var(--ink);
}
.tag-brand{background:rgba(198,242,78,.16);color:var(--brand);border:1px solid rgba(198,242,78,.45);}
.article-title{
  font-size:var(--h1);line-height:1.16;font-weight:700;letter-spacing:-.02em;
  max-width:22ch;margin-bottom:24px;color:#fff;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13px;color:rgba(255,255,255,.62);
  padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  max-width:760px;
}
.meta-row i{margin-right:6px;color:var(--jade);}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.3);}

/* ---------- 正文布局 ---------- */
.article-main{padding:64px 0 96px;background:var(--paper);}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:56px;align-items:start;
}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:44px 48px;box-shadow:var(--shadow-1);
  transition:border-color 200ms var(--ease);
}
.article-body{font-size:16px;line-height:1.85;color:#202624;}
.article-body p{margin:0 0 22px;}
.article-body > p:first-of-type{font-size:17.5px;line-height:1.85;color:#121817;}
.article-body h1,.article-body h2,.article-body h3{letter-spacing:-.01em;color:var(--ink);font-weight:700;}
.article-body h1{font-size:30px;line-height:1.3;margin:0 0 20px;}
.article-body h2{
  font-size:clamp(22px,2.2vw,26px);line-height:1.35;
  margin:48px 0 16px;padding-top:18px;border-top:1px solid var(--line);
}
.article-body h3{font-size:20px;line-height:1.4;margin:32px 0 12px;}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:24px;}
.article-body li{line-height:1.9;margin-bottom:6px;}
.article-body a{color:var(--jade);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:#177a62;}
.article-body img{width:100%;border-radius:var(--r-img);margin:26px 0 10px;background:var(--paper-2);object-fit:cover;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body blockquote{
  margin:28px 0;padding:18px 22px;border-left:3px solid var(--brand);
  background:var(--paper);border-radius:0 10px 10px 0;color:#20291f;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body code{background:var(--paper-2);padding:2px 6px;border-radius:4px;font-size:14px;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0;}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:32px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;transition:border-color 200ms var(--ease);
}
.side-card:hover{border-color:var(--jade);}
.side-title{
  display:flex;align-items:center;gap:8px;
  font-size:15px;font-weight:700;letter-spacing:-.01em;margin-bottom:16px;
}
.side-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--brand);}
.side-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;}
.side-list li + li{border-top:1px solid var(--line);}
.side-list a{
  display:block;padding:14px 0;
  transition:transform 200ms var(--ease),color 200ms var(--ease);
}
.side-list a:hover{transform:translateX(4px);color:var(--jade);}
.side-t{display:block;font-size:14.5px;font-weight:600;line-height:1.55;margin-bottom:4px;}
.side-list time{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;}
.side-btn{width:100%;justify-content:center;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background 160ms var(--ease),color 160ms var(--ease),border-color 160ms var(--ease),transform 120ms var(--ease);
}
.btn i{transition:transform 220ms var(--ease);}
.btn:hover i{transform:translateX(4px);}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--brand);color:var(--brand-ink);border-radius:999px;}
.btn-primary:hover{background:#b6e63e;}
.btn-outline{background:var(--card);border-color:var(--line);color:var(--ink);}
.btn-outline:hover{border-color:var(--jade);color:var(--jade);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.32);color:#fff;}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);}
.btn-text{height:auto;padding:0;color:var(--jade);font-weight:600;}
.btn-text:hover{color:#177a62;}
.btn[disabled],.btn:disabled{opacity:.45;pointer-events:none;}

/* ---------- 空态 / 加载 / 错误 ---------- */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;background:var(--paper);
}
.empty-state i{font-size:26px;color:var(--muted);margin-bottom:12px;display:block;}
.empty-state p{font-size:17px;font-weight:600;margin-bottom:18px;}
.skeleton{
  border-radius:8px;background:linear-gradient(90deg,var(--paper-2) 25%,#f2f3ee 37%,var(--paper-2) 63%);
  background-size:400% 100%;animation:sk 1.4s ease infinite;
}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}
.form-error{display:flex;align-items:center;gap:6px;color:var(--danger);font-size:13px;margin-top:8px;}

/* ---------- 文末推荐 ---------- */
.related{padding:0 0 96px;background:var(--paper);}
.section-head{margin-bottom:28px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--jade);letter-spacing:.02em;margin-bottom:10px;
}
.section-head h2{font-size:var(--h2);line-height:1.22;letter-spacing:-.02em;font-weight:700;}
.section-head p{margin-top:12px;font-size:15px;color:var(--muted);max-width:62ch;}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.rel-card:hover{transform:translateY(-2px);border-color:var(--jade);box-shadow:var(--shadow-1);}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--paper-2);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 500ms var(--ease);}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.rel-body h3{
  font-size:17.5px;line-height:1.5;font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-body p{
  font-size:14px;line-height:1.7;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1 1 auto;
}
.rel-foot{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);}
.rel-foot time{font-variant-numeric:tabular-nums;}
.rel-more{color:var(--jade);font-weight:600;}

/* ---------- FAQ ---------- */
.faq-section{padding:0 0 96px;background:var(--paper);}
.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 4px;text-align:left;font-size:18px;font-weight:600;line-height:1.5;
  transition:color 180ms var(--ease);
}
.faq-q:hover{color:var(--jade);}
.faq-ico{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;border:1px solid var(--line);
  font-size:12px;color:var(--ink);
  transition:transform 180ms var(--ease),background 180ms var(--ease),border-color 180ms var(--ease);
}
.faq-item.open .faq-ico{transform:rotate(180deg);background:var(--brand);border-color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 300ms var(--ease);}
.faq-item.open .faq-a{max-height:620px;}
.faq-a p{padding:0 4px 22px;font-size:15px;line-height:1.85;color:#3a423c;max-width:76ch;}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:#fff;padding:72px 0;}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;}
.cta-inner h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;letter-spacing:-.02em;max-width:20ch;}
.cta-sub{margin-top:14px;font-size:15px;color:rgba(255,255,255,.68);max-width:56ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-band .eyebrow{font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.02em;margin-bottom:10px;display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:600;font-size:16px;margin-bottom:16px;}
.footer-brand .brand-mark{flex:0 0 38px;width:38px;height:38px;font-size:14px;}
.site-footer h4{font-size:14px;color:#fff;font-weight:600;margin-bottom:16px;}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(255,255,255,.7);transition:color 160ms var(--ease);}
.footer-links a:hover{color:var(--brand);}
.site-footer p{margin-bottom:10px;line-height:1.7;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.14);
  font-size:12.5px;color:rgba(255,255,255,.55);
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity 260ms var(--ease),transform 260ms var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ---------- 断点 ---------- */
@media (max-width:1023px){
  body{padding-left:0;padding-top:64px;}
  .sidebar{
    inset:0 0 auto 0;width:100%;height:64px;
    flex-direction:row;align-items:center;gap:0;
    padding:0 58px 0 16px;overflow:hidden;
    transition:height 240ms var(--ease);
  }
  .sidebar:hover,.sidebar:focus-within{width:100%;}
  .fold{opacity:1;transform:none;}
  .nav-list,.side-cta{display:none;}
  .sidebar.open{
    height:100vh;height:100dvh;
    flex-direction:column;align-items:stretch;gap:18px;
    padding:16px 16px 24px;overflow-y:auto;
  }
  .sidebar.open .brand{padding-right:40px;}
  .sidebar.open .nav-list{display:flex;flex-direction:column;gap:6px;flex:0 1 auto;}
  .sidebar.open .nav-item{font-size:17px;padding:16px 12px;}
  .sidebar.open .side-cta{display:flex;margin-top:auto;justify-content:center;}
  .menu-toggle{
    display:grid;place-items:center;position:absolute;top:12px;right:12px;
    width:40px;height:40px;border-radius:8px;background:var(--ink-2);color:#fff;font-size:16px;
    transition:background 160ms var(--ease);
  }
  .menu-toggle:hover{background:#28302d;}
  .article-hero{padding:44px 0 48px;}
  .article-main{padding:48px 0 64px;}
  .article-layout{grid-template-columns:1fr;gap:32px;}
  .article-card{padding:32px 26px;}
  .article-side{position:static;}
  .rel-grid{grid-template-columns:1fr 1fr;}
  .related,.faq-section{padding-bottom:64px;}
  .cta-band{padding:56px 0;}
}
@media (max-width:640px){
  .container{padding:0 18px;}
  .article-title{max-width:none;}
  .meta-row{font-size:12.5px;}
  .article-card{padding:26px 20px;}
  .article-body h2{margin-top:36px;}
  .rel-grid{grid-template-columns:1fr;}
  .faq-q{font-size:16.5px;padding:18px 2px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}
@media (min-width:1024px) and (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:36px;}
  .article-card{padding:38px 34px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --ink:#0B0F0E;
  --ink-2:#1A211F;
  --brand:#C6F24E;
  --brand-ink:#0B0F0E;
  --jade:#1F9C7E;
  --paper:#F4F5F0;
  --paper-2:#E9EBE3;
  --line:#D9DCD2;
  --muted:#6B736C;
  --danger:#E5484D;
  --radius-card:12px;
  --radius-img:10px;
  --radius-btn:8px;
  --shadow:0 1px 2px rgba(11,15,14,.06),0 12px 32px rgba(11,15,14,.08);
  --ease:cubic-bezier(.16,1,.3,1);
  --side-w:96px;
  --side-w-open:232px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"HarmonyOS Sans","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);object-fit:cover;background:var(--paper-2)}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.2}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";letter-spacing:-.02em}

/* ============ 左侧竖向导航 ============ */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:var(--ink);color:#E9EBE3;z-index:60;
  display:flex;flex-direction:column;justify-content:space-between;
  padding:22px 12px;overflow:hidden;
  transition:width .18s var(--ease);
}
.side-nav:hover,.side-nav:focus-within{width:var(--side-w-open)}
.side-brand{display:flex;align-items:center;gap:12px;padding:4px 6px 22px;border-bottom:1px solid rgba(233,235,227,.14)}
.brand-mark{
  flex:0 0 42px;width:42px;height:42px;border-radius:10px;background:var(--brand);color:var(--brand-ink);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;letter-spacing:-.04em;
}
.brand-full{white-space:nowrap;font-size:15px;font-weight:600;opacity:0;transition:opacity .18s var(--ease)}
.side-nav:hover .brand-full,.side-nav:focus-within .brand-full{opacity:1}
.nav-list{display:flex;flex-direction:column;gap:6px;padding-top:20px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:14px;
  padding:13px 12px;border-radius:8px;color:#A9B1AA;font-size:14px;
  white-space:nowrap;transition:background .18s var(--ease),color .18s var(--ease);
}
.nav-item i{flex:0 0 22px;text-align:center;font-size:17px}
.nav-item .nav-txt{opacity:0;transition:opacity .18s var(--ease)}
.side-nav:hover .nav-item .nav-txt,.side-nav:focus-within .nav-item .nav-txt{opacity:1}
.nav-item:hover{background:var(--ink-2);color:#F4F5F0}
.nav-item.active{color:var(--brand);background:rgba(198,242,78,.08)}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:2px;background:var(--brand);
}
.side-cta{
  display:flex;align-items:center;gap:12px;justify-content:center;
  background:var(--brand);color:var(--brand-ink);border-radius:var(--radius-btn);
  padding:12px;font-weight:600;font-size:14px;white-space:nowrap;
  transition:filter .18s var(--ease),transform .12s var(--ease);
}
.side-cta:hover{filter:brightness(.94)}
.side-cta:active{transform:scale(.98)}
.side-cta .cta-txt{opacity:0;transition:opacity .18s var(--ease)}
.side-nav:hover .side-cta .cta-txt,.side-nav:focus-within .side-cta .cta-txt{opacity:1}

/* ============ 顶部移动导航 ============ */
.topbar{
  display:none;position:sticky;top:0;z-index:55;height:64px;
  background:var(--ink);color:#F4F5F0;align-items:center;justify-content:space-between;
  padding:0 18px;
}
.topbar .top-brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600}
.topbar .brand-mark{flex:0 0 34px;width:34px;height:34px;font-size:14px;border-radius:8px}
.burger{width:42px;height:42px;border-radius:8px;color:#F4F5F0;font-size:19px;display:flex;align-items:center;justify-content:center}
.burger:hover{background:var(--ink-2)}
.drawer{
  position:fixed;inset:0;z-index:70;background:var(--ink);color:#F4F5F0;
  display:flex;flex-direction:column;padding:20px;transform:translateY(-100%);
  transition:transform .28s var(--ease);visibility:hidden;
}
.drawer.open{transform:translateY(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid rgba(233,235,227,.14)}
.drawer-close{width:42px;height:42px;border-radius:8px;color:#F4F5F0;font-size:20px}
.drawer-close:hover{background:var(--ink-2)}
.drawer .nav-list{padding-top:24px;gap:2px}
.drawer .nav-item{font-size:19px;padding:18px 8px;border-bottom:1px solid rgba(233,235,227,.1);border-radius:0}
.drawer .nav-item .nav-txt{opacity:1}
.drawer .nav-item.active::before{display:none}
.drawer-foot{margin-top:auto}
.drawer .side-cta .cta-txt{opacity:1}

/* ============ 页面容器 ============ */
.page{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
.section{padding:88px 0}
.section.tight{padding:56px 0}
.section.dark{background:var(--ink);color:#EDEFE9}
.section.alt{background:var(--paper-2)}

/* ============ 面包屑与标题区 ============ */
.crumb{display:flex;flex-wrap:wrap;gap:6px;font-size:13px;color:var(--muted);padding-top:34px}
.crumb a:hover{color:var(--jade)}
.crumb span.sep{color:var(--line)}
.crumb .current{color:var(--ink);font-weight:600}
.head-block{padding:18px 0 34px;border-bottom:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--jade);font-weight:600;margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--jade)}
h1{font-size:clamp(2rem,4.4vw,3.6rem);font-weight:700;line-height:1.08;letter-spacing:-.02em;max-width:22ch}
.head-sub{margin-top:20px;font-size:17px;color:var(--muted);max-width:64ch}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;padding:5px 11px;border-radius:4px;
  background:var(--paper-2);color:var(--ink);
}
.tag.jade{background:transparent;border:1px solid var(--jade);color:var(--jade)}

/* ============ 快讯条 ============ */
.flash{background:var(--ink);color:#EDEFE9}
.flash-inner{display:flex;align-items:stretch;gap:0;flex-wrap:wrap}
.flash-label{
  display:flex;align-items:center;gap:8px;padding:16px 22px;background:var(--brand);color:var(--brand-ink);
  font-weight:700;font-size:14px;letter-spacing:.04em;
}
.flash-list{flex:1;display:flex;flex-wrap:wrap}
.flash-item{display:flex;align-items:center;gap:12px;padding:16px 24px;flex:1 1 260px;border-right:1px solid rgba(233,235,227,.12);font-size:14px;color:#C9D0C7}
.flash-item:last-child{border-right:0}
.flash-item strong{color:#F4F5F0;font-weight:600}
.flash-time{font-size:12px;color:var(--brand)}

/* ============ 行式清单 ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:8px}
.sec-head h2{font-size:clamp(1.6rem,2.6vw,2.4rem);font-weight:700}
.sec-head .sec-note{font-size:14px;color:var(--muted);max-width:46ch}
.sec-index{font-size:13px;color:var(--jade);font-weight:600;letter-spacing:.12em;display:block;margin-bottom:12px}
.chip-bar{display:flex;flex-wrap:wrap;gap:10px;padding:26px 0 6px}
.chip{
  font-size:13px;padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--muted);transition:all .18s var(--ease);
}
.chip:hover{border-color:var(--jade);color:var(--ink)}
.chip.on{background:var(--ink);border-color:var(--ink);color:var(--brand)}
.row-list{margin-top:8px;border-top:1px solid var(--line)}
.row-item{
  position:relative;display:grid;grid-template-columns:76px 1fr auto;align-items:center;gap:28px;
  min-height:96px;padding:20px 22px;border-bottom:1px solid var(--line);
  transition:background .22s var(--ease);
}
.row-item::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:2px;background:var(--brand);
  transform:scaleY(0);transform-origin:center;transition:transform .22s var(--ease);
}
.row-item:hover{background:var(--paper-2)}
.row-item:hover::before{transform:scaleY(1)}
.row-num{font-size:16px;font-weight:600;color:var(--brand);background:var(--ink);border-radius:4px;padding:4px 0;text-align:center;font-variant-numeric:tabular-nums}
.row-body h3{font-size:20px;font-weight:600;line-height:1.35}
.row-body p{margin-top:8px;font-size:14px;color:var(--muted);max-width:70ch}
.row-side{display:flex;align-items:center;gap:18px}
.row-side .arrow{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  color:var(--ink);transition:all .2s var(--ease);
}
.row-item:hover .row-side .arrow{background:var(--brand);border-color:var(--brand);transform:translateX(4px)}
.row-list.filtered .row-item.hide{display:none}

/* ============ 图文卡阵 ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.feature-card{
  border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;overflow:hidden;
  display:flex;flex-direction:column;transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.feature-card:hover{transform:translateY(-2px);border-color:var(--jade);box-shadow:var(--shadow)}
.feature-card .thumb{overflow:hidden;border-radius:0}
.feature-card .thumb img{width:100%;height:236px;border-radius:0;transition:transform .5s var(--ease)}
.feature-card:hover .thumb img{transform:scale(1.03)}
.feature-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.feature-body h3{font-size:22px;font-weight:600;line-height:1.35}
.feature-body p{font-size:14.5px;color:var(--muted)}
.feature-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);padding-top:8px;border-top:1px solid var(--line)}
.link-more{display:inline-flex;align-items:center;gap:7px;color:var(--jade);font-weight:600}
.link-more i{transition:transform .2s var(--ease)}
.link-more:hover i{transform:translateX(4px)}

/* ============ 对照区 ============ */
.compare{border-top:1px solid var(--line);margin-top:12px}
.compare-row{
  display:grid;grid-template-columns:minmax(180px,1fr) minmax(240px,2fr) 56px;align-items:center;gap:24px;
  min-height:56px;padding:14px 18px;border-bottom:1px solid var(--line);
}
.compare-row .c-key{font-weight:600;font-size:15px}
.compare-row .c-val{font-size:14px;color:var(--muted)}
.compare-row .c-mark{display:flex;justify-content:flex-end;color:var(--jade);font-size:16px}
.compare-head{display:grid;grid-template-columns:minmax(180px,1fr) minmax(240px,2fr) 56px;gap:24px;padding:10px 18px;font-size:12px;letter-spacing:.12em;color:var(--muted);background:var(--paper-2);border-radius:4px}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);margin-top:10px}
.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 4px;text-align:left;font-size:18px;font-weight:600;line-height:1.5;
}
.faq-q:hover{color:var(--jade)}
.faq-icon{
  flex:0 0 30px;width:30px;height:30px;border-radius:8px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--ink);transition:transform .18s var(--ease),background .18s var(--ease);
}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(180deg);background:var(--brand);border-color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 4px 24px;font-size:15px;line-height:1.8;color:var(--muted);max-width:76ch}
.faq-item.open .faq-a{max-height:420px}

/* ============ CTA 表单 ============ */
.cta-wrap{
  background:var(--ink);color:#EDEFE9;position:relative;overflow:hidden;padding:96px 0;
}
.cta-wrap::after{
  content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;opacity:.16;pointer-events:none;
}
.cta-wrap .container{position:relative;z-index:2}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.cta-copy h2{font-size:clamp(1.8rem,3vw,2.6rem);font-weight:700;color:#F4F5F0}
.cta-copy p.lead{margin-top:18px;color:#B9C0B7;font-size:16px;max-width:46ch}
.cta-points{margin-top:32px;display:flex;flex-direction:column;gap:14px}
.cta-points li{display:flex;align-items:center;gap:12px;font-size:15px;color:#D5DBD2}
.cta-points i{color:var(--brand)}
.cta-small-img{margin-top:34px;max-width:320px}
.cta-small-img img{height:150px;width:100%;border-radius:var(--radius-img);opacity:.92}
.form-card{background:var(--paper);color:var(--ink);border-radius:var(--radius-card);padding:32px;box-shadow:var(--shadow)}
.form-card h3{font-size:20px;font-weight:700;margin-bottom:8px}
.form-card .form-sub{font-size:13.5px;color:var(--muted);margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:48px;border-radius:var(--radius-btn);border:1px solid var(--line);background:#fff;
  padding:0 14px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{height:112px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--jade);box-shadow:0 0 0 2px var(--brand);
}
.field.invalid input,.field.invalid select{border-color:var(--danger)}
.field .err{display:none;margin-top:8px;font-size:13px;color:var(--danger);align-items:center;gap:6px}
.field.invalid .err{display:flex}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;height:48px;padding:0 26px;
  border-radius:var(--radius-btn);font-weight:600;font-size:15px;
  transition:filter .18s var(--ease),transform .12s var(--ease),background .18s var(--ease),color .18s var(--ease);
}
.btn i{transition:transform .2s var(--ease)}
.btn:hover i{transform:translateX(4px)}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--brand);color:var(--brand-ink);border-radius:999px}
.btn-primary:hover{filter:brightness(.94)}
.btn-ghost{background:transparent;border:1px solid rgba(244,245,240,.42);color:#F4F5F0}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-dark{background:var(--ink);color:var(--brand);border-radius:999px;width:100%}
.btn-dark:hover{filter:brightness(1.25)}
.btn[disabled]{opacity:.45;pointer-events:none}
.form-note{margin-top:14px;font-size:12.5px;color:var(--muted);line-height:1.7}
.form-ok{
  display:none;margin-top:16px;padding:12px 14px;border-radius:var(--radius-btn);
  background:rgba(31,156,126,.1);border:1px solid var(--jade);color:var(--jade);
  font-size:13.5px;align-items:center;gap:8px;
}
.form-ok.show{display:flex}

/* ============ 状态样式 ============ */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-card);padding:44px 24px;text-align:center;color:var(--muted);
}
.empty-state i{font-size:26px;color:var(--jade);margin-bottom:12px;display:block}
.empty-state p{font-size:14px;margin-bottom:14px}
.skeleton{background:linear-gradient(90deg,var(--paper-2) 25%,#F2F3EE 37%,var(--paper-2) 63%);background-size:400% 100%;animation:shimmer 1.4s infinite;border-radius:var(--radius-img)}
@keyframes shimmer{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#C9D0C7;padding:72px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;font-size:16px;font-weight:600;color:#F4F5F0;margin-bottom:16px}
.footer-brand .brand-mark{width:38px;height:38px;flex:0 0 38px;font-size:15px}
.site-footer p{font-size:14px;line-height:1.85}
.site-footer h4{font-size:14px;color:#F4F5F0;margin-bottom:16px;letter-spacing:.04em}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14px;color:#A9B1AA;transition:color .18s var(--ease)}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(233,235,227,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8E968F;
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .26s var(--ease),transform .26s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ============ 断点 ============ */
@media (max-width:1279px){
  .container{padding:0 22px}
  .cta-grid{gap:44px}
}
@media (max-width:1023px){
  .side-nav{display:none}
  .topbar{display:flex}
  .page{margin-left:0}
  .section{padding:64px 0}
  .cta-wrap{padding:72px 0}
  .cta-grid{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .row-item{grid-template-columns:56px 1fr;gap:12px 18px;padding:18px 14px;min-height:auto}
  .row-side{grid-column:2;justify-content:space-between;width:100%}
  .row-num{font-size:14px}
  .compare-row,.compare-head{grid-template-columns:1fr;gap:6px;min-height:auto;padding:14px 12px}
  .compare-row .c-mark{justify-content:flex-start}
  .sec-head{flex-direction:column;align-items:flex-start}
}
@media (max-width:640px){
  .section{padding:56px 0}
  h1{font-size:clamp(1.85rem,8vw,2.25rem)}
  .sec-head h2{font-size:1.55rem}
  .flash-label{width:100%;justify-content:center}
  .feature-card .thumb img{height:190px}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr}
  .faq-q{font-size:16.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --ink:#0B0F0E;
  --ink-2:#1A211F;
  --brand:#C6F24E;
  --brand-ink:#0B0F0E;
  --jade:#1F9C7E;
  --paper:#F4F5F0;
  --paper-2:#E9EBE3;
  --line:#D9DCD2;
  --muted:#6B736C;
  --danger:#E5484D;
  --r-card:12px;
  --r-img:10px;
  --r-btn:8px;
  --r-tag:4px;
  --sh:0 1px 2px rgba(11,15,14,.06),0 12px 32px rgba(11,15,14,.08);
  --nav-w:96px;
  --nav-w-open:232px;
  --ease:cubic-bezier(.16,1,.3,1);
  --mono:ui-monospace,SFMono-Regular,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(--ink);
  font-family:"HarmonyOS Sans","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;object-fit:cover}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
::selection{background:var(--brand);color:var(--brand-ink)}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 clamp(20px,4vw,64px)}
.page{min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
@media(min-width:1024px){.page{margin-left:var(--nav-w)}}
@media(max-width:1023px){body{padding-top:64px}}

/* ---------- 左侧竖向导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--ink);color:#EDF1E9;z-index:300;
  display:flex;flex-direction:column;
  padding:20px 12px 18px;overflow:hidden;
  transition:width .18s ease;
}
.side-nav:hover,.side-nav:focus-within{width:var(--nav-w-open)}
.nav-brand{display:flex;align-items:center;gap:12px;padding:4px 0 22px 16px;white-space:nowrap}
.brand-mark{
  flex:0 0 40px;width:40px;height:40px;border-radius:8px;background:var(--brand);color:var(--ink);
  display:grid;place-items:center;font-weight:700;font-size:15px;letter-spacing:-.02em;
}
.brand-full{font-size:15px;font-weight:600;color:#fff;opacity:0;transform:translateX(-8px);transition:opacity .18s ease,transform .18s ease}
.side-nav:hover .brand-full,.side-nav:focus-within .brand-full{opacity:1;transform:none}
.nav-list{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:12px 12px 12px 16px;border-radius:8px;
  color:#AEB8AD;white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.nav-item i{flex:0 0 40px;width:40px;text-align:center;font-size:16px}
.nav-item::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:0 3px 3px 0;
  background:var(--brand);opacity:0;transition:opacity .18s ease;
}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-item.active{color:#fff;background:rgba(198,242,78,.08)}
.nav-item.active::before{opacity:1}
.nav-txt{opacity:0;transform:translateX(-6px);transition:opacity .18s ease,transform .18s ease}
.side-nav:hover .nav-txt,.side-nav:focus-within .nav-txt{opacity:1;transform:none}
.nav-cta{
  position:absolute;left:12px;right:12px;bottom:18px;height:48px;border-radius:999px;
  background:var(--brand);color:var(--ink);font-weight:600;
  display:flex;align-items:center;justify-content:center;gap:10px;
  white-space:nowrap;overflow:hidden;padding:0 12px;
  transition:background .18s ease,transform .18s ease;
}
.nav-cta:hover{background:#B8E63F}
.nav-cta:active{transform:scale(.98)}
.nav-cta span{opacity:0;transition:opacity .18s ease}
.side-nav:hover .nav-cta span,.side-nav:focus-within .nav-cta span{opacity:1}
.nav-toggle{display:none}

@media(max-width:1023px){
  .side-nav{
    width:100%;height:64px;right:0;bottom:auto;flex-direction:row;align-items:center;
    padding:0 14px;overflow:visible;transition:none;
  }
  .side-nav:hover,.side-nav:focus-within{width:100%}
  .nav-brand{padding:0;gap:10px}
  .brand-mark{flex:0 0 36px;width:36px;height:36px;font-size:14px}
  .brand-full{opacity:1;transform:none;font-size:15px}
  .nav-toggle{
    display:grid;place-items:center;width:44px;height:44px;margin-left:auto;
    border-radius:8px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.04);
    color:#EDF1E9;font-size:16px;
  }
  .nav-list{
    position:fixed;left:0;right:0;top:64px;bottom:0;margin-top:0;gap:6px;
    background:var(--ink);padding:20px 18px 104px;overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .2s ease,transform .2s var(--ease);
  }
  body.nav-open .nav-list{opacity:1;visibility:visible;transform:none}
  body.nav-open{overflow:hidden}
  .nav-item{padding:16px;gap:16px;font-size:17px;color:#D6DCCF}
  .nav-item i{flex:0 0 28px;width:28px;font-size:18px}
  .nav-txt{opacity:1;transform:none;font-size:17px}
  .nav-cta{left:18px;right:18px;bottom:22px;height:52px;opacity:0;visibility:hidden;transition:opacity .2s ease}
  body.nav-open .nav-cta{opacity:1;visibility:visible}
  .nav-cta span{opacity:1}
}

/* ---------- 页头 ---------- */
.page-head{padding:44px 0 30px;background:var(--paper)}
@media(min-width:1024px){.page-head{padding:64px 0 36px}}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-bottom:22px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--jade)}
.breadcrumb .sep{color:#B7BEB4}
.breadcrumb .current{color:var(--ink);font-weight:600}
.page-head h1{font-size:clamp(30px,4.4vw,54px);line-height:1.1;letter-spacing:-.02em;font-weight:700;max-width:20ch}
.page-lead{margin-top:16px;color:#3D443E;font-size:17px;max-width:34em}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.rule{height:1px;background:var(--line);margin-top:34px}

/* ---------- 通用板块 ---------- */
.section{padding:60px 0}
@media(min-width:1024px){.section{padding:96px 0}}
.sec-head{max-width:780px;margin-bottom:40px}
.sec-num{display:inline-block;font-family:var(--mono);font-size:13px;letter-spacing:.14em;color:var(--jade);font-weight:600}
.sec-head h2{margin-top:12px;font-size:clamp(24px,3vw,36px);line-height:1.2;letter-spacing:-.02em;font-weight:700}
.sec-sub{margin-top:12px;color:var(--muted);font-size:15.5px;max-width:46em}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 9px;border-radius:var(--r-tag);
  background:var(--paper-2);color:var(--ink);font-size:12.5px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;align-self:flex-start;
}
.tag-jade{border-color:var(--jade);background:#EEF7F3;color:#157A61}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-weight:600;font-size:15px;cursor:pointer;
  transition:background .18s ease,border-color .18s ease,color .18s ease,transform .12s ease;
}
.btn i{transition:transform .18s ease}
.btn:hover i{transform:translateX(4px)}
.btn-primary{background:var(--brand);color:var(--brand-ink);border-radius:999px}
.btn-primary:hover{background:#B8E63F}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{border-color:rgba(255,255,255,.32);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn-ghost:active{transform:scale(.98)}
.btn-text{color:var(--jade);height:auto;padding:0;font-weight:600}
.btn-text:hover{color:#157A61}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;pointer-events:none}

/* ---------- 图文卡阵 ---------- */
.card-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}
.gcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .2s var(--ease),border-color .2s ease,box-shadow .2s ease;
}
.gcard:hover{transform:translateY(-2px);border-color:var(--jade);box-shadow:var(--sh)}
.gcard-media{height:190px;background:var(--paper-2);overflow:hidden}
@media(min-width:640px){.gcard-media{height:204px}}
.gcard:nth-child(3n+1) .gcard-media{height:228px}
.gcard-media img{width:100%;height:100%;transition:transform .5s var(--ease)}
.gcard:hover .gcard-media img{transform:scale(1.03)}
.gcard-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.gcard h3{font-size:21px;line-height:1.35;font-weight:700;letter-spacing:-.01em}
.gcard-body > p{
  color:#495049;font-size:15px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.gcard-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
}
.gcard-foot .time{font-family:var(--mono);letter-spacing:.02em}
.gcard-foot .more{color:var(--jade);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.gcard-foot .more i{transition:transform .2s ease}
.gcard:hover .gcard-foot .more i{transform:translateX(4px)}

/* ---------- 处理流程 ---------- */
.timeline{border-left:1px solid var(--line);margin-left:5px}
.tl-item{position:relative;padding:0 0 34px 32px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-6px;top:7px;width:11px;height:11px;border-radius:50%;
  background:var(--paper);border:2px solid var(--jade);
}
.tl-num{font-family:var(--mono);font-size:13px;letter-spacing:.14em;color:var(--jade);font-weight:600}
.tl-item h3{font-size:20px;margin:6px 0 8px;letter-spacing:-.01em}
.tl-item p{color:#495049;font-size:15px;max-width:52em}

/* ---------- 深色区块 ---------- */
.dark-band{background:var(--ink);color:#EEF2E9;padding:60px 0}
@media(min-width:1024px){.dark-band{padding:88px 0}}
.dark-band h2{color:#fff;font-size:clamp(24px,3vw,34px);letter-spacing:-.02em;line-height:1.2;margin-top:12px}
.dark-band .sec-sub{color:#9BA499}
.dark-grid{display:grid;grid-template-columns:1fr;gap:28px;margin-top:40px}
@media(min-width:768px){.dark-grid{grid-template-columns:repeat(3,1fr);gap:32px}}
.dark-card{border-top:1px solid rgba(255,255,255,.18);padding-top:22px}
.dark-card .no{font-family:var(--mono);font-size:13px;letter-spacing:.14em;color:var(--brand)}
.dark-card h3{font-size:19px;margin:10px 0 8px;color:#fff;letter-spacing:-.01em}
.dark-card p{color:#A9B2A5;font-size:14.5px}

/* ---------- 对照表 ---------- */
.compare{border-top:1px solid var(--line)}
.cmp-row{
  display:grid;grid-template-columns:1fr;gap:8px;
  padding:20px 0;border-bottom:1px solid var(--line);align-items:center;
}
@media(min-width:768px){
  .cmp-row{grid-template-columns:1.05fr 1.4fr 140px;gap:24px;min-height:56px;padding:10px 0}
}
.cmp-key{font-weight:600;display:flex;align-items:center;gap:10px;font-size:15.5px}
.cmp-key i{color:var(--jade);font-size:13px}
.cmp-val{color:#495049;font-size:15px}
.cmp-bar{width:100%;height:6px;border-radius:999px;background:var(--paper-2);overflow:hidden}
@media(min-width:768px){.cmp-bar{width:140px}}
.cmp-bar span{display:block;height:100%;border-radius:999px;background:var(--brand)}

/* ---------- FAQ ---------- */
.faq{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:600;letter-spacing:-.01em;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--jade)}
.faq-q .ic{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;font-size:12px;color:var(--ink);
  transition:transform .18s ease,background .18s ease,border-color .18s ease;
}
.faq-item.open .faq-q .ic{background:var(--brand);border-color:var(--brand);color:var(--ink);transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-item.open .faq-a{max-height:520px}
.faq-a p{padding:0 0 24px;color:#495049;font-size:15px;line-height:1.85;max-width:64em}

/* ---------- 转化表单 ---------- */
.cta{background:var(--ink);color:#EEF2E9;padding:68px 0}
@media(min-width:1024px){.cta{padding:104px 0}}
.cta-grid{display:grid;grid-template-columns:1fr;gap:40px}
@media(min-width:1024px){.cta-grid{grid-template-columns:1fr 1fr;gap:64px;align-items:start}}
.cta h2{color:#fff;font-size:clamp(26px,3.2vw,40px);line-height:1.2;letter-spacing:-.02em;margin-top:12px}
.cta-points{margin-top:28px;display:flex;flex-direction:column;gap:14px}
.cta-points li{display:flex;gap:12px;align-items:flex-start;color:#C3CBBE;font-size:15px}
.cta-points i{color:var(--brand);margin-top:6px;font-size:12px}
.cta-media{margin-top:32px;max-width:420px;border-radius:var(--r-img);overflow:hidden;border:1px solid rgba(255,255,255,.12)}
.cta-media img{width:100%;height:168px}
.form-card{background:var(--paper);color:var(--ink);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh)}
@media(min-width:640px){.form-card{padding:34px}}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:13.5px;font-weight:600;color:#2A322C}
.field input,.field select,.field textarea{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;padding:0 14px;font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;min-height:114px;padding:12px 14px;line-height:1.7;resize:vertical}
.field select{
  appearance:none;padding-right:44px;
  background-image:linear-gradient(45deg,transparent 50%,#6B736C 50%),linear-gradient(135deg,#6B736C 50%,transparent 50%);
  background-position:calc(100% - 21px) 21px,calc(100% - 15px) 21px;
  background-size:6px 6px,6px 6px;background-repeat:no-repeat;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--jade);box-shadow:0 0 0 2px var(--brand);
}
.field input.invalid,.field select.invalid,.field textarea.invalid{border-color:var(--danger)}
.field-error{color:var(--danger);font-size:13px;display:flex;align-items:center;gap:6px}
.field-error[hidden]{display:none}
.form-note{margin-top:14px;font-size:12.5px;color:var(--muted);line-height:1.7}
.form-ok{
  margin-top:16px;padding:12px 14px;border-radius:8px;font-size:14px;
  background:#EEF7F3;border:1px solid var(--jade);color:#157A61;
}
.form-ok[hidden]{display:none}

/* ---------- 状态样式：空态 / 骨架 / 错误 ---------- */
.state-empty{
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
  padding:40px 24px;text-align:center;color:var(--muted);
}
.state-empty i{font-size:22px;color:var(--jade);display:block;margin-bottom:12px}
.skeleton{
  border-radius:8px;background:var(--paper-2);
  background-image:linear-gradient(90deg,var(--paper-2) 25%,#F2F3EE 37%,var(--paper-2) 63%);
  background-size:400% 100%;animation:shine 1.4s linear infinite;
}
@keyframes shine{0%{background-position:100% 0}100%{background-position:0 0}}
.error-tip{display:flex;align-items:center;gap:8px;color:var(--danger);font-size:13.5px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#A9B2A5;padding:64px 0 28px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:600;font-size:16px;margin-bottom:14px}
.footer-brand .brand-mark{flex:0 0 36px;width:36px;height:36px;font-size:14px}
.site-footer p{font-size:14px;line-height:1.8;margin-bottom:8px}
.site-footer h4{color:#fff;font-size:14px;letter-spacing:.04em;margin-bottom:16px;font-weight:600}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#A9B2A5;transition:color .18s ease}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:#7E8880;
}

/* ---------- 入场动效 ---------- */
.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .26s var(--ease),transform .26s var(--ease);transition-delay:var(--d,0s)}
.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .js .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}