/* roulang page: index */
:root{
  --ink:#0F1512;
  --pine:#14503A;
  --pine-soft:#1C6B4E;
  --lime:#C9F26B;
  --sand:#F5F2E9;
  --paper:#FFFDF7;
  --line:#D9D5C8;
  --text:#1A231E;
  --muted:#5E6B63;
  --brick:#B4552D;
  --radius-card:18px;
  --radius-btn:12px;
  --shadow-hover:0 12px 30px rgba(15,21,18,.08);
  --maxw:1200px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --font-num:"DIN Alternate","Inter","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--sand);
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;object-fit:cover;border:0;}
a{color:var(--pine);text-decoration:none;transition:color .18s ease,background-color .18s ease;}
a:hover{color:var(--pine-soft);}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1.15em;}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:.01em;font-weight:700;}
h1{font-size:clamp(34px,4.6vw,56px);line-height:1.12;}
h2{font-size:clamp(26px,3vw,36px);line-height:1.22;}
h3{font-size:22px;line-height:1.4;}
:focus-visible{outline:3px solid var(--lime);outline-offset:3px;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--dark{background:var(--ink);color:var(--paper);}
.section--dark h2,.section--dark h3{color:var(--paper);}
.section--paper{background:var(--paper);}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--pine);
  background:rgba(201,242,107,.28);
  border:1px solid rgba(20,80,58,.16);
  border-radius:999px;padding:6px 14px;margin-bottom:20px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--pine);}
.section--dark .eyebrow{color:var(--lime);background:rgba(201,242,107,.12);border-color:rgba(201,242,107,.3);}
.section--dark .eyebrow::before{background:var(--lime);}

.section-head{max-width:720px;margin-bottom:48px;}
.section-head p{color:var(--muted);margin-top:16px;margin-bottom:0;font-size:16.5px;}
.section--dark .section-head p{color:#B9C6BE;}
.section-head--split{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  max-width:none;
}
.section-head--split .section-head-text{max-width:720px;}
@media(max-width:768px){
  .section-head--split{flex-direction:column;align-items:flex-start;gap:18px;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:16px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--pine);color:var(--paper);border-color:var(--pine);}
.btn-primary:hover,.btn-primary:focus{background:var(--lime);color:var(--ink);border-color:var(--lime);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--pine);border-color:var(--pine);}
.btn-ghost:hover,.btn-ghost:focus{background:var(--pine);color:var(--paper);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-lime{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.btn-lime:hover,.btn-lime:focus{background:var(--paper);color:var(--ink);border-color:var(--paper);transform:translateY(-2px);}
.btn-block{width:100%;}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;
  color:var(--pine);border-bottom:1px solid rgba(20,80,58,.4);padding-bottom:2px;
}
.link-arrow svg{transition:transform .18s ease;}
.link-arrow:hover svg{transform:translateX(4px);}
.link-arrow:hover{color:var(--ink);background:var(--lime);border-bottom-color:transparent;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:var(--paper);
  border-bottom:1px solid transparent;transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 16px rgba(15,21,18,.06);}
.nav-split{display:flex;align-items:stretch;min-height:68px;max-width:1360px;margin:0 auto;}
.nav-left{
  flex:0 0 58%;display:flex;align-items:center;gap:28px;
  padding:0 24px;background:var(--paper);min-width:0;
}
.nav-right{
  flex:0 0 42%;display:flex;align-items:center;justify-content:flex-end;gap:12px;
  padding:0 24px;background:var(--ink);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:var(--ink);color:var(--lime);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-weight:700;font-size:14px;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16.5px;font-weight:700;color:var(--ink);white-space:nowrap;}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.14em;}
.nav-menu{display:flex;align-items:center;gap:6px;flex-wrap:nowrap;min-width:0;}
.nav-link{
  position:relative;display:inline-block;padding:22px 12px;
  font-size:15.5px;font-weight:500;color:var(--text);white-space:nowrap;border-radius:6px;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:14px;height:2px;
  background:var(--lime);opacity:0;transform:scaleX(.6);transition:opacity .18s ease,transform .18s ease;
}
.nav-link:hover{color:var(--pine);background:rgba(201,242,107,.22);}
.nav-link:hover::after{opacity:1;transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:700;}
.nav-link.is-active::after{opacity:1;transform:scaleX(1);background:var(--pine);}

.nav-search{display:flex;align-items:center;gap:10px;}
.search-toggle{
  height:40px;padding:0 16px;border-radius:999px;border:1px solid rgba(255,253,247,.28);
  background:transparent;color:var(--paper);font-size:14px;font-weight:500;
  display:inline-flex;align-items:center;gap:8px;transition:border-color .18s ease,background-color .18s ease;
}
.search-toggle:hover,.search-toggle[aria-expanded="true"]{border-color:var(--lime);background:rgba(201,242,107,.14);color:var(--lime);}
.search-form{display:flex;align-items:center;}
.search-form input[type="search"]{
  width:220px;height:40px;border-radius:999px;border:1px solid rgba(255,253,247,.24);
  background:rgba(255,253,247,.08);color:var(--paper);padding:0 16px;font-size:14px;
}
.search-form input[type="search"]::placeholder{color:rgba(255,253,247,.55);}
.search-form input[type="search"]:focus{outline:none;border-color:var(--lime);background:rgba(255,253,247,.14);box-shadow:0 0 0 3px rgba(201,242,107,.25);}
.nav-cta{height:40px;padding:0 20px;font-size:15px;border-radius:10px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,253,247,.28);
  background:transparent;color:var(--paper);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.mobile-drawer{position:fixed;inset:0;z-index:120;display:none;}
.mobile-drawer.is-open{display:block;}
.drawer-backdrop{position:absolute;inset:0;background:rgba(15,21,18,.55);}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(360px,86vw);
  background:var(--paper);padding:24px;display:flex;flex-direction:column;gap:20px;
  overflow-y:auto;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--sand);
  color:var(--ink);font-size:20px;line-height:1;
}
.drawer-links{display:flex;flex-direction:column;gap:4px;}
.drawer-links a{
  padding:14px 12px;border-radius:10px;color:var(--text);font-size:16px;font-weight:500;
  border-bottom:1px solid var(--line);
}
.drawer-links a:hover{background:rgba(201,242,107,.25);color:var(--pine);}
.drawer-links a.is-active{color:var(--pine);font-weight:700;background:rgba(201,242,107,.2);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
.drawer-foot p{font-size:13px;color:var(--muted);margin:0;}

@media(max-width:1023px){
  .nav-split{min-height:64px;}
  .nav-left{flex:1 1 auto;padding:0 18px;}
  .nav-menu{display:none;}
  .nav-right{flex:0 0 auto;padding:0 18px;gap:10px;}
  .nav-search,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand-name{font-size:15.5px;}
}

/* ---------- Hero ---------- */
.hero{background:var(--sand);padding:56px 0 72px;position:relative;}
.hero-grid{gap:48px;align-items:center;}
.hero-copy{max-width:620px;}
.hero h1{margin-bottom:20px;}
.hero-lead{font-size:17.5px;color:var(--muted);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 32px;}
.hero-points{display:flex;flex-wrap:wrap;gap:20px 28px;}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14.5px;color:var(--muted);}
.hero-points li::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--lime);border:1px solid rgba(20,80,58,.35);}

.hero-visual{
  position:relative;min-height:440px;border-radius:22px;overflow:hidden;
  background:var(--ink);border:1px solid rgba(15,21,18,.06);
}
.hero-visual img{position:absolute;inset:0;width:100%;height:100%;min-height:440px;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,21,18,.12) 0%,rgba(15,21,18,.42) 100%);
}
.hero-card{
  position:absolute;left:20px;right:20px;bottom:20px;z-index:2;
  background:var(--paper);border:1px solid var(--line);border-radius:16px;
  padding:18px 20px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
}
.hero-card-item{display:flex;flex-direction:column;gap:4px;border-left:3px solid var(--lime);padding-left:12px;}
.hero-card-item .num{font-family:var(--font-num);font-size:26px;font-weight:700;line-height:1.1;color:var(--ink);font-variant-numeric:tabular-nums;}
.hero-card-item .lbl{font-size:12.5px;color:var(--muted);line-height:1.5;}

@media(max-width:1023px){
  .hero{padding:40px 0 56px;}
  .hero-grid{gap:36px;}
  .hero-visual,.hero-visual img{min-height:340px;}
}
@media(max-width:639px){
  .hero-card{grid-template-columns:1fr;gap:10px;left:14px;right:14px;bottom:14px;padding:16px;}
  .hero-visual,.hero-visual img{min-height:300px;}
  .hero-actions .btn{width:100%;}
}

/* ---------- 指标看板 ---------- */
.metrics{background:var(--ink);color:var(--paper);padding:0;}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.metric{padding:40px 28px;border-left:1px solid rgba(255,253,247,.14);position:relative;}
.metric:first-child{border-left:0;}
.metric::before{content:"";position:absolute;top:28px;left:28px;width:34px;height:3px;background:var(--lime);}
.metric .num{
  display:block;font-family:var(--font-num);font-size:46px;font-weight:700;line-height:1.05;
  color:var(--paper);margin:22px 0 6px;font-variant-numeric:tabular-nums;
}
.metric .name{display:block;font-size:15px;font-weight:600;color:var(--lime);margin-bottom:6px;}
.metric .desc{display:block;font-size:12.5px;color:#A9B6AE;line-height:1.7;}
@media(max-width:1023px){
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
  .metric{padding:32px 22px;}
  .metric::before{top:22px;left:22px;}
  .metric:nth-child(3){border-left:0;}
}
@media(max-width:639px){
  .metric .num{font-size:38px;}
}

/* ---------- 服务矩阵 Bento ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.bento-item{
  display:flex;flex-direction:column;gap:14px;
  border-radius:var(--radius-card);border:1px solid var(--line);
  background:var(--paper);padding:28px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  min-height:250px;
}
.bento-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.bento-a{grid-column:span 7;background:var(--ink);border-color:var(--ink);color:var(--paper);}
.bento-b{grid-column:span 5;background:var(--lime);border-color:var(--lime);color:var(--ink);}
.bento-c{grid-column:span 5;}
.bento-d{grid-column:span 7;}
.bento-num{
  width:32px;height:32px;border-radius:8px;border:1px solid currentColor;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:13px;font-weight:700;opacity:.85;
}
.bento-a .bento-num,.bento-b .bento-num{border-color:currentColor;}
.bento-item h3{margin-top:auto;}
.bento-a h3{color:var(--paper);}
.bento-b h3{color:var(--ink);}
.bento-item p{font-size:15.5px;line-height:1.75;margin:0;color:var(--muted);}
.bento-a p{color:#B9C6BE;}
.bento-b p{color:#22402F;}
.bento-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;margin-top:6px;}
.bento-a .bento-link{color:var(--lime);}
.bento-b .bento-link{color:var(--ink);}
.bento-c .bento-link,.bento-d .bento-link{color:var(--pine);}
.bento-link svg{transition:transform .18s ease;}
.bento-item:hover .bento-link svg{transform:translateX(4px);}
.bento-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:rgba(20,80,58,.08);color:var(--pine);}
.bento-a .bento-icon{background:rgba(201,242,107,.14);color:var(--lime);}
.bento-b .bento-icon{background:rgba(15,21,18,.1);color:var(--ink);}
@media(max-width:1023px){
  .bento-a,.bento-b,.bento-c,.bento-d{grid-column:span 12;}
}

/* ---------- 结果对比 ---------- */
.compare{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.compare-aside{position:sticky;top:96px;}
.compare-aside p{color:var(--muted);margin-top:16px;}
.compare-panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);padding:8px 28px;}
.compare-row{padding:26px 0;border-bottom:1px solid var(--line);}
.compare-row:last-child{border-bottom:0;}
.compare-dim{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px;}
.compare-dim h3{font-size:18px;}
.compare-dim span{font-size:12.5px;color:var(--muted);}
.compare-pair{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.compare-cell{font-size:14.5px;line-height:1.7;color:var(--muted);}
.compare-cell strong{display:block;font-size:13px;letter-spacing:.06em;margin-bottom:6px;color:var(--muted);}
.compare-cell.better strong{color:var(--pine);}
.compare-cell.better{color:var(--text);}
.bar{height:6px;border-radius:999px;background:var(--line);margin-top:12px;overflow:hidden;}
.bar i{display:block;height:100%;border-radius:999px;background:#C5C1B3;}
.bar.better i{background:var(--pine);}
.compare-note{font-size:12.5px;color:var(--muted);margin:18px 0 0;line-height:1.7;}
@media(max-width:1023px){
  .compare{grid-template-columns:1fr;gap:32px;}
  .compare-aside{position:static;}
}
@media(max-width:639px){
  .compare-pair{grid-template-columns:1fr;gap:12px;}
  .compare-panel{padding:4px 20px;}
}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--paper);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(20,80,58,.28);}
.news-card--feature{grid-column:span 2;flex-direction:row;}
.news-thumb{position:relative;overflow:hidden;}
.news-thumb img{width:100%;height:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-card--feature .news-thumb{flex:0 0 45%;}
.news-card--feature .news-thumb img{height:100%;aspect-ratio:auto;min-height:230px;}
.news-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.news-badge{
  align-self:flex-start;font-size:12px;letter-spacing:.04em;padding:3px 12px;border-radius:999px;
  background:rgba(201,242,107,.4);color:#23402F;border:1px solid rgba(20,80,58,.16);
}
.news-title{font-size:19px;line-height:1.45;}
.news-title a{color:var(--ink);}
.news-title a:hover{color:var(--pine);}
.news-excerpt{
  font-size:14.5px;color:var(--muted);line-height:1.75;margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:10px;}
.news-date{font-size:13px;color:var(--muted);font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.news-arrow{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--pine);transition:background-color .18s ease,color .18s ease,border-color .18s ease;}
.news-card:hover .news-arrow{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.empty-state{
  border:2px dashed var(--line);border-radius:var(--radius-card);padding:56px 24px;text-align:center;
  background:var(--paper);
}
.empty-state .ico{font-size:28px;color:var(--pine);margin-bottom:12px;}
.empty-state p{color:var(--muted);margin-bottom:18px;}
@media(max-width:1023px){
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .news-card--feature{grid-column:span 2;flex-direction:column;}
  .news-card--feature .news-thumb{flex:none;}
  .news-card--feature .news-thumb img{height:auto;aspect-ratio:16/9;min-height:0;}
}
@media(max-width:639px){
  .news-grid{grid-template-columns:1fr;}
  .news-card--feature{grid-column:span 1;}
}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
.faq-aside{position:sticky;top:96px;}
.faq-aside p{color:var(--muted);margin-top:16px;font-size:16px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0 20px 0;font-size:17.5px;font-weight:600;color:var(--ink);
  transition:color .18s ease,padding-left .18s ease;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--pine);}
.faq-item[open] summary{color:var(--pine);padding-left:14px;}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;background:var(--lime);border-radius:2px;
}
.faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);position:relative;transition:transform .2s ease,background-color .2s ease;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--pine);border-radius:2px;}
.faq-icon::before{left:7px;right:7px;top:50%;height:2px;transform:translateY(-50%);}
.faq-icon::after{top:7px;bottom:7px;left:50%;width:2px;transform:translateX(-50%);transition:opacity .2s ease;}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:var(--lime);border-color:var(--lime);}
.faq-item[open] .faq-icon::after{opacity:0;}
.faq-body{padding:0 0 22px 14px;max-width:68ch;}
.faq-body p{font-size:16px;color:var(--muted);line-height:1.85;margin:0;}
@media(max-width:1023px){
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .faq-aside{position:static;}
}

/* ---------- 表单 CTA ---------- */
.cta-layout{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:stretch;}
.form-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);padding:36px;}
.form-card h2{font-size:clamp(24px,2.6vw,30px);margin-bottom:8px;}
.form-card .form-tip{font-size:14px;color:var(--muted);margin-bottom:24px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--text);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-btn);
  padding:0 16px;height:48px;font-size:15.5px;color:var(--text);font-family:inherit;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;min-height:110px;padding:12px 16px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--pine);box-shadow:0 0 0 3px rgba(201,242,107,.55);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.7;margin:6px 0 22px;}
.check-line input{width:18px;height:18px;flex:0 0 auto;margin-top:3px;accent-color:var(--pine);}
.form-note{font-size:13px;color:var(--muted);margin-top:14px;min-height:20px;}
.form-note.is-ok{color:var(--pine);font-weight:600;}

.info-panel{
  background:var(--ink);color:var(--paper);border-radius:var(--radius-card);
  padding:32px;display:flex;flex-direction:column;gap:20px;
}
.info-panel h3{color:var(--paper);font-size:20px;}
.info-panel figure{margin:0;border-radius:14px;overflow:hidden;border:1px solid rgba(255,253,247,.14);}
.info-panel figure img{width:100%;height:160px;object-fit:cover;}
.info-list{display:flex;flex-direction:column;gap:14px;}
.info-list li{display:flex;gap:12px;font-size:14.5px;color:#C6D1CA;line-height:1.7;}
.info-list li strong{color:var(--lime);font-family:var(--font-num);font-size:13px;flex:0 0 auto;padding-top:2px;}
.info-meta{margin-top:auto;border-top:1px solid rgba(255,253,247,.16);padding-top:18px;font-size:13.5px;color:#A9B6AE;line-height:1.8;}
.info-meta span{color:var(--paper);font-weight:600;}
@media(max-width:1023px){
  .cta-layout{grid-template-columns:1fr;}
  .form-card{padding:26px;}
  .info-panel{padding:26px;}
}
@media(max-width:639px){
  .field-row{grid-template-columns:1fr;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#B9C6BE;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:48px;}
.footer-brand .brand-name{color:var(--paper);}
.footer-brand .brand-sub{color:#8B9A91;}
.footer-brand p{font-size:14px;line-height:1.85;color:#9EADA4;margin:16px 0 0;max-width:30ch;}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:var(--paper);margin-bottom:16px;font-weight:600;}
.footer-links{display:flex;flex-direction:column;gap:2px;}
.footer-links a{color:#B9C6BE;font-size:14.5px;line-height:1.9;padding:3px 0;transition:color .18s ease,padding-left .18s ease;}
.footer-links a:hover{color:var(--lime);padding-left:4px;}
.footer-contact{font-size:14px;line-height:1.9;color:#B9C6BE;}
.footer-contact strong{display:block;color:var(--paper);font-weight:600;margin-bottom:4px;}
.footer-bottom{
  border-top:1px solid rgba(255,253,247,.14);padding:22px 0 28px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:#8B9A91;
}
.footer-bottom a{color:#B9C6BE;}
.footer-bottom a:hover{color:var(--lime);}
@media(max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 24px;}
}
@media(max-width:639px){
  .site-footer{padding-top:48px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* 通用小工具 */
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{font-size:12.5px;padding:4px 12px;border-radius:999px;background:var(--paper);border:1px solid var(--line);color:var(--muted);}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* roulang page: category1 */
:root{
  --ink:#0F1512;
  --ink-soft:#1A231E;
  --pine:#14503A;
  --pine-soft:#1E6A4C;
  --lime:#C9F26B;
  --sand:#F5F2E9;
  --paper:#FFFDF7;
  --line:#D9D5C8;
  --text:#1A231E;
  --muted:#5E6B63;
  --brick:#B4552D;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-img:16px;
  --shadow-hover:0 12px 30px rgba(15,21,18,.08);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --font-num:"DIN Alternate","Inter","Helvetica Neue",Arial,sans-serif;
  --space-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--sand);
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--pine);text-decoration:none;transition:color .2s ease,background-color .2s ease;}
a:hover{color:var(--ink);}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible{
  outline:3px solid var(--lime);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{
  margin:0;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--ink);
  line-height:1.22;
}
h1{font-size:clamp(34px,4.6vw,56px);line-height:1.12;}
h2{font-size:clamp(26px,3vw,36px);}
h3{font-size:22px;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--space-section) 0;}
.section--tight{padding:64px 0;}
.section--paper{background:var(--paper);}
.section--ink{background:var(--ink);color:var(--paper);}
.section--ink h2,.section--ink h3{color:var(--paper);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header::after{
  content:"";
  position:absolute;
  top:0;
  right:0;
  width:42%;
  height:100%;
  background:var(--ink);
  z-index:0;
  pointer-events:none;
}
.site-header.is-stuck{box-shadow:0 6px 18px rgba(15,21,18,.06);}
.nav-split{
  position:relative;
  z-index:1;
  max-width:1240px;
  margin:0 auto;
  display:flex;
  align-items:stretch;
  min-height:72px;
}
.nav-left{
  flex:0 0 58%;
  display:flex;
  align-items:center;
  gap:22px;
  padding:0 24px;
}
.nav-right{
  flex:0 0 42%;
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:12px;
  padding:0 24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--pine);
  color:var(--paper);
  border-radius:10px;
  font-family:var(--font-num);
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:15px;font-weight:700;color:var(--ink);white-space:nowrap;}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.06em;}
.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  font-size:15px;
  color:var(--ink-soft);
  border-radius:8px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{background:rgba(20,80,58,.06);color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--pine);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.search-toggle{
  height:38px;
  padding:0 14px;
  border:1px solid rgba(255,253,247,.28);
  background:transparent;
  color:var(--paper);
  border-radius:10px;
  font-size:14px;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.search-toggle:hover{background:rgba(201,242,107,.14);border-color:var(--lime);color:var(--lime);}
.nav-search{
  display:none;
  width:220px;
}
.nav-search.is-open{display:block;}
.nav-search input{
  width:100%;
  height:38px;
  padding:0 12px;
  border-radius:10px;
  border:1px solid rgba(255,253,247,.28);
  background:rgba(255,253,247,.08);
  color:var(--paper);
  font-size:14px;
}
.nav-search input::placeholder{color:rgba(255,253,247,.55);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:16px;
  font-weight:600;
  line-height:1;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(0);}
.btn-primary{
  background:var(--pine);
  color:var(--paper);
}
.btn-primary:hover{
  background:var(--lime);
  color:var(--ink);
  transform:translateY(-2px);
}
.btn-ghost{
  background:transparent;
  border-color:var(--pine);
  color:var(--pine);
}
.btn-ghost:hover{
  background:var(--pine);
  color:var(--paper);
  transform:translateY(-2px);
}
.btn-on-dark{
  background:var(--lime);
  color:var(--ink);
}
.btn-on-dark:hover{
  background:var(--paper);
  color:var(--ink);
  transform:translateY(-2px);
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px;}
.nav-cta{background:var(--lime);color:var(--ink);}
.nav-cta:hover{background:var(--paper);color:var(--ink);transform:translateY(-2px);}
.nav-burger{
  display:none;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  border:1px solid rgba(255,253,247,.3);
  border-radius:10px;
  background:transparent;
  color:var(--paper);
}
.nav-burger span{
  display:block;width:18px;height:2px;background:currentColor;position:relative;
}
.nav-burger span::before,.nav-burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;
}
.nav-burger span::before{top:-6px;}
.nav-burger span::after{top:6px;}

/* ---------- 移动端抽屉 ---------- */
.off-canvas{
  background:var(--ink);
  color:var(--paper);
}
.off-canvas .drawer-head{
  padding:20px 22px;
  border-bottom:1px solid rgba(255,253,247,.14);
}
.off-canvas .brand-name{color:var(--paper);}
.off-canvas .brand-sub{color:rgba(255,253,247,.6);}
.drawer-links{padding:14px 22px;display:flex;flex-direction:column;}
.drawer-links a{
  color:var(--paper);
  padding:13px 0;
  border-bottom:1px solid rgba(255,253,247,.1);
  font-size:16px;
}
.drawer-links a:hover{color:var(--lime);}
.drawer-links a.is-active{color:var(--lime);font-weight:700;}
.drawer-foot{padding:18px 22px 26px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:14px;
  color:var(--muted);
  padding:22px 0 0;
}
.breadcrumb a{color:var(--pine);}
.breadcrumb a:hover{color:var(--ink);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--ink-soft);}

/* ---------- Hero ---------- */
.page-hero{
  padding:8px 0 0;
  background:var(--sand);
}
.hero-grid{
  padding:28px 0 8px;
  row-gap:32px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(20,80,58,.08);
  color:var(--pine);
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--pine);
}
.hero-title{margin-bottom:18px;max-width:640px;}
.lead{
  font-size:17px;
  color:var(--muted);
  max-width:620px;
  line-height:1.9;
  margin-bottom:24px;
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--paper);
  color:var(--ink-soft);
  font-size:14px;
  transition:border-color .2s ease,color .2s ease,background-color .2s ease,transform .2s ease;
}
.chip:hover{
  border-color:var(--pine);
  color:var(--pine);
  background:rgba(201,242,107,.22);
  transform:translateY(-2px);
}
.hero-figure{
  position:relative;
  margin:0;
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--paper);
}
.hero-figure img{
  width:100%;
  height:340px;
  object-fit:cover;
}
.hero-figure figcaption{
  padding:12px 18px 14px;
  font-size:13px;
  color:var(--muted);
  border-top:1px solid var(--line);
  background:var(--paper);
}
.hero-stat{
  position:absolute;
  left:18px;
  bottom:74px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:14px;
  padding:14px 18px;
  min-width:172px;
}
.hero-stat .num{
  display:block;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:30px;
  font-weight:700;
  color:var(--pine);
  line-height:1.1;
}
.hero-stat .lbl{
  display:block;
  font-size:12px;
  color:var(--muted);
  margin-top:4px;
  letter-spacing:.02em;
}

/* ---------- 板块标题 ---------- */
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section-head .kicker{
  display:block;
  font-size:13px;
  font-weight:700;
  color:var(--pine);
  letter-spacing:.12em;
  margin-bottom:10px;
}
.section-head h2{margin-bottom:0;}
.section-head .sub{
  max-width:520px;
  color:var(--muted);
  font-size:15px;
  line-height:1.8;
  margin:0;
}

/* ---------- 时间线 ---------- */
.timeline{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  position:relative;
}
.timeline::before{
  content:"";
  position:absolute;
  top:27px;
  left:6%;
  right:6%;
  height:2px;
  background:var(--line);
  z-index:0;
}
.step{
  position:relative;
  z-index:1;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 24px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(20,80,58,.35);
}
.step-no{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  border-radius:12px;
  background:var(--lime);
  color:var(--ink);
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-weight:700;
  font-size:17px;
  margin-bottom:18px;
}
.step h3{font-size:19px;margin-bottom:10px;}
.step p{font-size:15px;color:var(--muted);line-height:1.8;margin:0;}
.step .step-time{
  display:inline-block;
  margin-top:16px;
  font-size:12px;
  color:var(--pine);
  background:rgba(20,80,58,.08);
  border-radius:999px;
  padding:4px 12px;
}

/* ---------- 双栏 ---------- */
.two-col{
  align-items:flex-start;
  row-gap:28px;
}
.panel{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px;
}
.panel-dark{
  background:var(--ink);
  border-color:var(--ink);
  color:var(--paper);
}
.panel-dark h3{color:var(--paper);}
.panel-lime{
  background:var(--lime);
  border-color:var(--lime);
  color:var(--ink);
}
.panel-title{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:20px;
}
.panel-title .tag{
  width:32px;height:32px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:8px;
  border:1px solid var(--line);
  font-family:var(--font-num);
  font-size:13px;
  font-weight:700;
  color:var(--pine);
  flex-shrink:0;
}
.panel-dark .panel-title .tag{border-color:rgba(255,253,247,.3);color:var(--lime);}
.panel-lime .panel-title .tag{border-color:rgba(15,21,18,.28);color:var(--ink);}
.panel-title h3{margin:0;font-size:20px;}

.check-list li{
  position:relative;
  padding:13px 0 13px 32px;
  border-bottom:1px dashed var(--line);
  font-size:16px;
  color:var(--ink-soft);
}
.check-list li:last-child{border-bottom:none;}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:20px;
  width:16px;height:16px;
  border-radius:50%;
  background:rgba(201,242,107,.55);
  border:1px solid rgba(20,80,58,.35);
}
.check-list li::after{
  content:"";
  position:absolute;
  left:5px;top:25px;
  width:6px;height:3px;
  border-left:2px solid var(--pine);
  border-bottom:2px solid var(--pine);
  transform:rotate(-45deg);
}
.check-list small{
  display:block;
  font-size:13px;
  color:var(--muted);
  margin-top:4px;
}
.block-card{
  border:1px solid var(--line);
  border-radius:14px;
  padding:18px 20px;
  margin-bottom:14px;
  background:var(--paper);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.block-card:last-child{margin-bottom:0;}
.block-card:hover{
  border-color:var(--pine);
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover);
}
.block-card h4{
  font-size:16px;
  margin-bottom:6px;
  display:flex;
  align-items:center;
  gap:8px;
}
.block-card h4::before{
  content:"";
  width:4px;height:16px;
  border-radius:2px;
  background:var(--lime);
  flex-shrink:0;
}
.block-card p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.8;}
.block-card .fix{
  display:block;
  margin-top:10px;
  font-size:13px;
  color:var(--pine);
  background:rgba(20,80,58,.07);
  border-radius:8px;
  padding:8px 12px;
}

/* ---------- 表格 ---------- */
.table-wrap{
  width:100%;
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--paper);
  -webkit-overflow-scrolling:touch;
}
table.data-table{
  width:100%;
  min-width:680px;
  border-collapse:collapse;
  font-size:15px;
}
table.data-table thead th{
  background:rgba(20,80,58,.06);
  color:var(--ink);
  text-align:left;
  font-weight:700;
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
  font-size:14px;
}
table.data-table tbody td{
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  color:var(--ink-soft);
  vertical-align:top;
}
table.data-table tbody tr:last-child td{border-bottom:none;}
table.data-table tbody tr:hover{background:rgba(201,242,107,.14);}
.table-note{
  font-size:13px;
  color:var(--muted);
  margin-top:14px;
}

/* ---------- FAQ ---------- */
ul.accordion{
  border:none;
  background:transparent;
  margin:0;
}
ul.accordion li.accordion-item{
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--paper);
  margin-bottom:12px;
  overflow:hidden;
  position:relative;
}
ul.accordion li.accordion-item::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:var(--lime);
  opacity:0;
  transition:opacity .2s ease;
}
ul.accordion li.accordion-item.is-active::before{opacity:1;}
ul.accordion .accordion-title{
  border:none;
  border-bottom:1px solid transparent;
  padding:20px 56px 20px 24px;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  background:transparent;
  transition:color .2s ease;
}
ul.accordion .accordion-title:hover{color:var(--pine);background:rgba(201,242,107,.12);}
ul.accordion .accordion-title::before{
  content:"+";
  position:absolute;
  right:22px;
  top:50%;
  transform:translateY(-50%);
  font-size:22px;
  font-weight:400;
  color:var(--pine);
  transition:transform .25s ease,color .2s ease;
  border:none;
  margin:0;
  float:none;
}
ul.accordion .accordion-item.is-active .accordion-title::before{
  transform:translateY(-50%) rotate(45deg);
  color:var(--ink);
}
ul.accordion .accordion-content{
  border:none;
  padding:0 24px 22px;
  color:var(--muted);
  font-size:15.5px;
  line-height:1.88;
  background:transparent;
  max-width:68ch;
}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:var(--ink);
  color:var(--paper);
  border-radius:24px;
  padding:52px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-band h2{color:var(--paper);margin-bottom:12px;}
.cta-band p{color:rgba(255,253,247,.72);margin:0;max-width:620px;font-size:16px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,253,247,.78);
  padding:72px 0 0;
  margin-top:96px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:32px;
  padding-bottom:48px;
}
.footer-brand .brand-name{color:var(--paper);}
.footer-brand .brand-sub{color:rgba(255,253,247,.55);}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink);}
.footer-brand p{
  margin-top:18px;
  font-size:14.5px;
  line-height:1.9;
  color:rgba(255,253,247,.66);
  max-width:320px;
}
.footer-col h4{
  color:var(--paper);
  font-size:15px;
  margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-links{display:flex;flex-direction:column;gap:2px;}
.footer-links a{
  color:rgba(255,253,247,.72);
  padding:6px 0;
  font-size:14.5px;
  line-height:1.9;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-links a:hover{color:var(--lime);padding-left:4px;}
.footer-contact{
  font-size:14px;
  line-height:1.9;
  color:rgba(255,253,247,.66);
}
.footer-contact strong{
  display:block;
  color:var(--paper);
  font-size:14px;
  margin-bottom:2px;
}
.footer-bottom{
  border-top:1px solid rgba(255,253,247,.14);
  padding:22px 0 30px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,253,247,.55);
}
.footer-bottom a{color:rgba(255,253,247,.7);}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1279px){
  :root{--space-section:88px;}
  .nav-split{max-width:1100px;}
}
@media screen and (max-width:1023px){
  :root{--space-section:64px;}
  body{font-size:16.5px;}
  .site-header::after{display:none;}
  .nav-split{min-height:68px;}
  .nav-left{flex:1 1 auto;padding:0 20px;}
  .nav-right{flex:0 0 auto;padding:0 20px;gap:10px;}
  .nav-menu,.nav-search,.search-toggle,.nav-cta{display:none;}
  .nav-burger{display:inline-flex;}
  .hero-figure img{height:300px;}
  .timeline{grid-template-columns:repeat(2,1fr);}
  .timeline::before{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{padding:40px 32px;}
}
@media screen and (max-width:767px){
  :root{--space-section:52px;}
  .container{padding:0 18px;}
  .nav-left,.nav-right{padding:0 16px;}
  .brand-name{font-size:14px;}
  .hero-grid{padding:20px 0 0;}
  .hero-figure img{height:240px;}
  .hero-stat{left:14px;bottom:64px;min-width:150px;padding:12px 14px;}
  .hero-stat .num{font-size:24px;}
  .timeline{grid-template-columns:1fr;}
  .step{padding:22px 20px;}
  .panel{padding:22px 20px;}
  .section-head{margin-bottom:28px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .cta-band{padding:32px 22px;border-radius:18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media screen and (max-width:519px){
  h1{font-size:30px;}
  .lead{font-size:15.5px;}
  .chip{font-size:13px;padding:0 13px;height:34px;}
  .panel-title h3{font-size:18px;}
  .block-card{padding:16px 16px;}
  ul.accordion .accordion-title{font-size:15.5px;padding:18px 48px 18px 18px;}
  ul.accordion .accordion-content{padding:0 18px 18px;}
}

/* roulang page: article */
:root{
  --ink:#0F1512;
  --pine:#14503A;
  --lime:#C9F26B;
  --sand:#F5F2E9;
  --paper:#FFFDF7;
  --line:#D9D5C8;
  --text:#1A231E;
  --muted:#5E6B63;
  --brick:#B4552D;
  --radius-lg:18px;
  --radius-md:12px;
  --shadow-soft:0 12px 30px rgba(15,21,18,.08);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --font-num:"DIN Alternate","Inter","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--pine);text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease;}
a:hover{color:#0B3A2A;}
button,input,select,textarea{font:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4,p{margin-top:0;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.show-for-sr{
  position:absolute!important;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);
  white-space:nowrap;border:0;
}
/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(15,21,18,.06);}
.header-inner{
  display:grid;
  grid-template-columns:minmax(0,58fr) minmax(0,42fr);
  height:68px;
}
.brand-zone{
  display:flex;
  align-items:center;
  gap:36px;
  padding-left:max(24px,calc((100vw - 1200px) / 2));
  min-width:0;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  flex-shrink:0;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:36px;height:36px;
  border-radius:10px;
  background:var(--ink);
  color:var(--lime);
  display:grid;place-items:center;
  font-family:var(--font-num);
  font-size:12px;
  font-weight:800;
  letter-spacing:.04em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.brand-sub{font-size:10px;color:var(--muted);letter-spacing:.16em;margin-top:3px;white-space:nowrap;}
.nav-menu{
  display:flex;
  align-items:center;
  gap:24px;
  min-width:0;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 0;
  font-size:14px;
  color:var(--text);
  white-space:nowrap;
}
.nav-link:hover{color:var(--pine);}
.nav-link.is-active{color:var(--ink);font-weight:700;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--lime);
  border-radius:2px;
}
.action-zone{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:12px;
  background:var(--ink);
  padding-left:20px;
  padding-right:max(24px,calc((100vw - 1200px) / 2));
  min-width:0;
}
.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  height:38px;
  padding:0 14px;
  border-radius:10px;
  border:1px solid rgba(255,253,247,.28);
  background:transparent;
  color:var(--paper);
  font-size:13px;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.icon-btn:hover,.icon-btn:focus-visible{
  border-color:var(--lime);
  color:var(--lime);
  outline:none;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-md);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(0);}
.btn:focus-visible{outline:3px solid var(--lime);outline-offset:2px;}
.btn-primary{background:var(--pine);color:var(--paper);}
.btn-primary:hover{background:var(--lime);color:var(--ink);transform:translateY(-2px);}
.btn-secondary{background:transparent;color:var(--pine);border-color:var(--pine);}
.btn-secondary:hover{background:var(--pine);color:var(--paper);}
.btn-sm{height:38px;padding:0 16px;font-size:13px;}
.nav-cta{
  height:40px;
  padding:0 18px;
  border-radius:10px;
  font-size:14px;
  background:var(--lime);
  color:var(--ink);
  border:0;
}
.nav-cta:hover{background:var(--paper);color:var(--ink);transform:translateY(-2px);}
.search-panel{
  position:absolute;
  top:68px;
  right:max(24px,calc((100vw - 1200px) / 2));
  width:320px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px;
  box-shadow:var(--shadow-soft);
  display:none;
  z-index:90;
}
.search-panel.is-open{display:block;}
.search-panel form{display:flex;gap:8px;margin:0;}
.search-panel input{
  flex:1;
  height:40px;
  border:1px solid var(--line);
  border-radius:9px;
  background:#fff;
  padding:0 10px;
  font-size:13px;
  color:var(--text);
  min-width:0;
}
.search-panel input:focus{
  outline:none;
  border-color:var(--pine);
  box-shadow:0 0 0 3px rgba(201,242,107,.55);
}
.menu-toggle{display:none;}
/* ---------- Mobile off-canvas ---------- */
.off-canvas{background:var(--paper);}
#mobileMenu{width:86%;max-width:340px;}
.mobile-menu{
  position:relative;
  display:flex;
  flex-direction:column;
  min-height:100%;
  padding:24px 22px 28px;
}
.mobile-menu .brand{margin-bottom:26px;}
.mobile-nav{
  display:flex;
  flex-direction:column;
  border-top:1px solid var(--line);
  padding-top:10px;
}
.mobile-nav a{
  padding:13px 0;
  border-bottom:1px solid var(--line);
  color:var(--text);
  font-size:15px;
}
.mobile-nav a:hover{color:var(--pine);}
.mobile-search{display:flex;gap:8px;margin-top:22px;}
.mobile-search input{
  flex:1;
  height:42px;
  border:1px solid var(--line);
  border-radius:10px;
  padding:0 12px;
  min-width:0;
  background:#fff;
}
.mobile-search input:focus{
  outline:none;
  border-color:var(--pine);
  box-shadow:0 0 0 3px rgba(201,242,107,.55);
}
.mobile-menu .btn{width:100%;margin-top:auto;}
.close-button{
  position:absolute;
  top:12px;right:14px;
  z-index:3;
  color:var(--ink);
  font-size:28px;
  line-height:1;
}
.close-button:hover{color:var(--pine);}
/* ---------- Breadcrumb ---------- */
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  padding-top:24px;
  font-size:13px;
  color:var(--muted);
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--pine);}
.breadcrumb .sep{color:#BDB8AA;}
.breadcrumb .current{
  color:var(--text);
  max-width:520px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
/* ---------- Article head ---------- */
.article-hero{padding:28px 0 0;}
.article-head{max-width:880px;}
.badge{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(201,242,107,.55);
  color:var(--ink);
  font-size:12px;
  font-weight:600;
  letter-spacing:.03em;
}
.article-title{
  font-size:clamp(30px,4vw,46px);
  line-height:1.18;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--ink);
  margin:16px 0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px 18px;
  color:var(--muted);
  font-size:13px;
}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-cover{
  margin:28px 0 0;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--line);
  max-height:440px;
}
.article-cover img{
  width:100%;
  height:100%;
  max-height:440px;
  object-fit:cover;
}
/* ---------- Article layout ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;
  padding:44px 0 72px;
  align-items:start;
}
.article-main{min-width:0;}
.article-content{
  max-width:760px;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  overflow-wrap:break-word;
}
.article-content>*:first-child{margin-top:0;}
.article-content p{margin:0 0 1.15em;}
.article-content h2{
  font-size:clamp(24px,2.6vw,30px);
  line-height:1.3;
  margin:2.2em 0 .8em;
  padding-left:14px;
  border-left:4px solid var(--lime);
  color:var(--ink);
  scroll-margin-top:90px;
}
.article-content h3{
  font-size:21px;
  line-height:1.4;
  margin:1.8em 0 .6em;
  color:var(--ink);
  scroll-margin-top:90px;
}
.article-content a{
  color:var(--pine);
  text-decoration:underline;
  text-underline-offset:3px;
}
.article-content a:hover{background:var(--lime);color:var(--ink);}
.article-content ul,.article-content ol{padding-left:1.4em;margin:0 0 1.15em;}
.article-content li{margin:.35em 0;}
.article-content blockquote{
  margin:1.6em 0;
  padding:16px 20px;
  background:var(--sand);
  border-left:4px solid var(--pine);
  border-radius:0 12px 12px 0;
  color:#33453B;
}
.article-content img{border-radius:14px;margin:1.4em 0;}
.article-content figure{margin:1.4em 0;}
.article-content figcaption{
  font-size:13px;
  color:var(--muted);
  margin-top:8px;
  text-align:center;
}
.article-content table{
  width:100%;
  border-collapse:collapse;
  margin:1.4em 0;
  font-size:15px;
  display:block;
  overflow-x:auto;
}
.article-content th,.article-content td{
  border:1px solid var(--line);
  padding:10px 12px;
  text-align:left;
}
.article-content th{background:var(--sand);font-weight:600;}
.article-content code{
  background:var(--sand);
  padding:2px 6px;
  border-radius:6px;
  font-size:.9em;
}
.notice-card{
  background:#F0F6E1;
  border:1px solid #D8E6B0;
  border-left:4px solid var(--lime);
  border-radius:14px;
  padding:16px 18px;
  margin-bottom:28px;
  font-size:15px;
  line-height:1.75;
  color:#3D4A3A;
}
.notice-card strong{
  display:block;
  color:var(--ink);
  margin-bottom:4px;
  font-size:14px;
}
.notice-card p{margin:0;}
.empty-state{
  padding:48px 24px;
  border:1px dashed var(--line);
  border-radius:var(--radius-lg);
  text-align:center;
  background:var(--paper);
}
.empty-state h2{margin:0 0 8px;font-size:24px;color:var(--ink);}
.empty-state p{color:var(--muted);margin-bottom:20px;}
/* ---------- Sidebar ---------- */
.article-sidebar{
  position:sticky;
  top:88px;
  align-self:start;
  display:flex;
  flex-direction:column;
  gap:18px;
}
.sidebar-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:22px;
}
.sidebar-title{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  margin:0 0 14px;
  color:var(--ink);
}
.sidebar-title::before{
  content:"";
  width:8px;height:8px;
  border-radius:2px;
  background:var(--lime);
  display:inline-block;
  flex-shrink:0;
}
.toc-list{
  list-style:none;
  padding:0;
  margin:0;
  counter-reset:toc;
}
.toc-list li{
  counter-increment:toc;
  margin:0;
  border-bottom:1px solid #ECE8DC;
}
.toc-list li:last-child{border-bottom:0;}
.toc-list a{
  display:flex;
  gap:8px;
  padding:9px 0;
  font-size:13.5px;
  line-height:1.5;
  color:var(--text);
}
.toc-list a::before{
  content:counter(toc,decimal-leading-zero);
  color:var(--muted);
  font-family:var(--font-num);
  font-size:11px;
  padding-top:2px;
  flex-shrink:0;
}
.toc-list a:hover{color:var(--pine);}
.sidebar-note{font-size:13px;color:var(--muted);line-height:1.7;margin:0;}
.mini-list{display:flex;flex-direction:column;gap:14px;}
.mini-card{
  display:flex;
  gap:12px;
  align-items:center;
  color:var(--text);
}
.mini-card:hover{color:var(--pine);}
.mini-card img{
  width:64px;height:52px;
  border-radius:10px;
  object-fit:cover;
  flex-shrink:0;
}
.mini-card .mini-tag{
  display:block;
  font-size:11px;
  color:var(--muted);
  margin-bottom:2px;
}
.mini-card strong{
  display:block;
  font-size:13.5px;
  line-height:1.45;
}
.return-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:600;
  color:var(--pine);
}
.return-link:hover{color:var(--ink);background:var(--lime);padding:2px 4px;border-radius:4px;}
/* ---------- Article foot ---------- */
.article-foot{
  margin-top:40px;
  padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--paper);
  color:var(--text);
  font-size:12.5px;
}
.tag:hover{border-color:var(--pine);background:var(--lime);color:var(--ink);}
/* ---------- FAQ ---------- */
.faq-section{padding:8px 0 72px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.section-head h2{
  font-size:clamp(24px,2.8vw,32px);
  margin:0;
  color:var(--ink);
}
.section-head a{font-size:13px;font-weight:600;color:var(--pine);}
.custom-accordion{
  background:transparent;
  border:0;
  margin:0;
  max-width:900px;
}
.custom-accordion .accordion-item{
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--paper);
  margin-bottom:10px;
  overflow:hidden;
}
.custom-accordion .accordion-title{
  border:0;
  padding:20px 56px 20px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  background:transparent;
  transition:background .2s ease;
}
.custom-accordion .accordion-title:hover{background:#F8F5EB;}
.custom-accordion .accordion-title::before{
  content:"+";
  position:absolute;
  right:22px;
  top:50%;
  margin-top:-12px;
  border:0;
  width:auto;height:auto;
  font-family:var(--font-num);
  font-size:22px;
  line-height:1;
  color:var(--pine);
  transition:transform .2s ease;
}
.custom-accordion .accordion-content{
  border:0;
  padding:0 22px 20px;
  color:var(--muted);
  font-size:15px;
  line-height:1.85;
  max-width:68ch;
}
.custom-accordion .is-active .accordion-title{background:#F0F6E1;}
.custom-accordion .is-active .accordion-title::before{content:"−";}
/* ---------- Related ---------- */
.related-section{padding:8px 0 72px;}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.related-card{
  display:flex;
  flex-direction:column;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.related-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-soft);
}
.related-card .thumb{
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--line);
}
.related-card img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.related-card:hover img{transform:scale(1.03);}
.related-card .body{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:18px 18px 20px;
  flex:1;
}
.related-card .tag{
  align-self:flex-start;
  height:24px;
  padding:0 10px;
  font-size:11px;
  background:var(--sand);
  border:0;
}
.related-card h3{
  font-size:16px;
  line-height:1.45;
  margin:0;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-card p{
  font-size:13px;
  color:var(--muted);
  line-height:1.6;
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-card .meta{
  margin-top:auto;
  padding-top:10px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:12px;
  color:var(--muted);
}
.related-card .arrow{color:var(--pine);font-weight:700;}
/* ---------- CTA ---------- */
.article-cta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  background:var(--ink);
  color:var(--paper);
  border-radius:24px;
  padding:44px 48px;
  margin-bottom:88px;
}
.article-cta .eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.12em;
  color:var(--lime);
  margin-bottom:10px;
}
.article-cta h2{
  font-size:clamp(24px,2.8vw,32px);
  line-height:1.25;
  color:var(--paper);
  margin:0 0 10px;
}
.article-cta p{
  color:rgba(255,253,247,.72);
  margin:0;
  max-width:56ch;
  font-size:15px;
}
.cta-actions{display:flex;gap:12px;flex-shrink:0;}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{background:var(--paper);color:var(--ink);transform:translateY(-2px);}
.btn-ghost-light{
  background:transparent;
  color:var(--paper);
  border-color:rgba(255,253,247,.4);
}
.btn-ghost-light:hover{background:var(--paper);color:var(--ink);}
/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,253,247,.7);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr .8fr .8fr 1fr;
  gap:32px;
  padding-bottom:48px;
}
.footer-brand .brand-name{color:var(--paper);}
.footer-brand .brand-sub{color:rgba(255,253,247,.5);}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink);}
.footer-brand p{
  margin:18px 0 0;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,253,247,.66);
  max-width:34ch;
}
.footer-col h4{
  color:var(--paper);
  font-size:14px;
  margin:4px 0 16px;
  font-weight:700;
}
.footer-links{display:flex;flex-direction:column;gap:2px;}
.footer-links a{
  color:rgba(255,253,247,.7);
  font-size:14px;
  line-height:1.9;
}
.footer-links a:hover{color:var(--lime);}
.footer-contact{
  color:rgba(255,253,247,.7);
  font-size:14px;
  line-height:1.9;
}
.footer-contact strong{
  display:block;
  color:var(--paper);
  font-size:13px;
}
.footer-bottom{
  border-top:1px solid rgba(255,253,247,.14);
  padding:20px 0;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:rgba(255,253,247,.55);
}
.footer-bottom a{color:rgba(255,253,247,.7);}
.footer-bottom a:hover{color:var(--lime);}
/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:36px;}
}
@media (max-width:1024px){
  .header-inner{
    display:flex;
    justify-content:space-between;
    height:60px;
  }
  .brand-zone{padding-left:20px;gap:0;flex:1;min-width:0;}
  .nav-menu{display:none;}
  .action-zone{flex:0 0 auto;height:100%;padding:0 16px;background:var(--ink);}
  .action-zone .search-toggle,
  .action-zone .nav-cta{display:none;}
  .menu-toggle{
    display:inline-flex;
    flex-direction:column;
    justify-content:center;
    align-items:center;
    gap:5px;
    width:42px;height:42px;
    border:0;
    border-radius:8px;
    background:transparent;
    padding:0;
  }
  .menu-toggle span{
    display:block;
    width:20px;height:2px;
    border-radius:2px;
    background:var(--paper);
  }
  .menu-toggle:hover span{background:var(--lime);}
  .search-panel{display:none!important;}
  .article-layout{grid-template-columns:1fr;}
  .article-sidebar{position:static;order:2;}
  .article-main{order:1;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .article-cta{flex-direction:column;align-items:flex-start;padding:36px 28px;}
  .cta-actions{flex-wrap:wrap;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:639px){
  .container{padding:0 16px;}
  .breadcrumb{padding-top:18px;}
  .breadcrumb .current{white-space:normal;max-width:100%;}
  .article-title{
    font-size:28px;
    -webkit-line-clamp:initial;
    overflow:visible;
  }
  .article-cover{max-height:240px;}
  .article-cover img{max-height:240px;}
  .article-content{font-size:16px;line-height:1.85;}
  .article-content h2{font-size:23px;}
  .article-layout{padding:34px 0 56px;}
  .article-foot{align-items:flex-start;}
  .related-grid{grid-template-columns:1fr;}
  .article-cta{margin-bottom:56px;border-radius:18px;padding:28px 22px;}
  .cta-actions{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .brand-name{font-size:15px;}
  .brand-sub{display:none;}
  .custom-accordion .accordion-title{font-size:15px;padding:18px 50px 18px 18px;}
  .custom-accordion .accordion-content{padding:0 18px 18px;}
}
@media (max-width:520px){
  .article-cta .btn{width:100%;}
  .cta-actions{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --ink:#0F1512;
  --green:#14503A;
  --green-soft:#1C6A4C;
  --lime:#C9F26B;
  --sand:#F5F2E9;
  --paper:#FFFDF7;
  --line:#D9D5C8;
  --text:#1A231E;
  --muted:#5E6B63;
  --brick:#B4552D;
  --radius:18px;
  --radius-sm:12px;
  --shadow-hover:0 12px 30px rgba(15,21,18,.08);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--sand);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:0.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--green);text-decoration:none;transition:color .18s ease,background .18s ease;}
a:hover{color:var(--ink);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:1.15em;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid var(--lime);
  outline-offset:2px;
  border-radius:6px;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  display:flex;align-items:stretch;
  height:72px;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 2px 12px rgba(15,21,18,.07);}
.header-left{
  flex:0 0 58%;
  display:flex;align-items:center;gap:26px;
  padding:0 24px;min-width:0;
}
.header-right{
  flex:0 0 42%;
  display:flex;align-items:center;justify-content:flex-end;gap:12px;
  padding:0 24px;
  background:var(--ink);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  background:var(--ink);color:var(--lime);
  display:grid;place-items:center;
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16px;font-weight:700;color:var(--ink);white-space:nowrap;}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.08em;}
.nav-menu{display:flex;align-items:center;height:100%;gap:2px;min-width:0;}
.nav-link{
  position:relative;
  display:flex;align-items:center;height:100%;
  padding:0 11px;
  font-size:15px;color:var(--muted);
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:11px;right:11px;bottom:16px;height:2px;
  background:var(--lime);border-radius:2px;
  opacity:0;transform:scaleX(.4);transform-origin:left center;
  transition:opacity .2s ease,transform .2s ease;
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{opacity:.55;transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{opacity:1;transform:scaleX(1);}
.search-toggle{
  width:38px;height:38px;flex:0 0 38px;
  display:grid;place-items:center;
  background:transparent;color:var(--paper);
  border:1px solid rgba(255,253,247,.24);border-radius:10px;
  cursor:pointer;transition:border-color .18s ease,color .18s ease;
}
.search-toggle:hover{border-color:var(--lime);color:var(--lime);}
.search-slot{display:none;}
.search-slot.is-open{display:block;}
.search-input{
  width:220px;height:38px;
  padding:0 12px;
  border-radius:10px;
  border:1px solid rgba(255,253,247,.24);
  background:rgba(255,253,247,.08);
  color:var(--paper);font-size:14px;
}
.search-input::placeholder{color:rgba(255,253,247,.5);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:38px;padding:0 18px;
  border-radius:10px;
  background:var(--lime);color:var(--ink);
  font-size:14px;font-weight:600;white-space:nowrap;
  transition:transform .18s ease,background .18s ease;
}
.nav-cta:hover{background:var(--paper);color:var(--ink);transform:translateY(-2px);}
.hamburger{
  display:none;
  width:40px;height:40px;
  align-items:center;justify-content:center;
  background:var(--paper);
  border:1px solid var(--line);border-radius:10px;
  cursor:pointer;
}
.hamburger span{
  display:block;width:17px;height:2px;border-radius:2px;background:var(--ink);
  position:relative;
}
.hamburger span::before,
.hamburger span::after{
  content:"";position:absolute;left:0;width:17px;height:2px;border-radius:2px;background:var(--ink);
}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}

/* ---------- mobile drawer ---------- */
.mobile-drawer{position:fixed;inset:0;z-index:90;display:none;}
.mobile-drawer.is-open{display:block;}
.drawer-backdrop{position:absolute;inset:0;background:rgba(15,21,18,.45);}
.drawer-panel{
  position:absolute;top:0;right:0;
  width:min(86vw,340px);height:100%;
  background:var(--paper);
  padding:20px 20px 32px;
  overflow-y:auto;
  box-shadow:-12px 0 40px rgba(15,21,18,.18);
  display:flex;flex-direction:column;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:24px;}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  background:transparent;color:var(--ink);font-size:18px;line-height:1;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  padding:14px 2px;
  font-size:16px;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--green);font-weight:600;}
.drawer-nav a:hover{color:var(--green);}
.drawer-search{margin-top:20px;}
.drawer-search .search-input{
  width:100%;
  background:var(--sand);
  border:1px solid var(--line);
  color:var(--ink);
}
.drawer-search .search-input::placeholder{color:var(--muted);}
.drawer-cta{margin-top:auto;padding-top:24px;}
.drawer-cta .btn{width:100%;}

/* ---------- breadcrumb & hero ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:22px 0 0;
  font-size:13.5px;color:var(--muted);
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--green);}
.breadcrumb .sep{color:#b7b3a5;}
.breadcrumb em{font-style:normal;color:var(--ink);}

.page-hero{padding:0 0 68px;}
.hero-row{align-items:center;row-gap:36px;padding-top:26px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--green);
}
.eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--green);}
.page-hero h1{
  font-size:clamp(32px,4.2vw,50px);
  line-height:1.14;
  font-weight:700;
  margin:16px 0 20px;
  max-width:15em;
}
.lead{
  font-size:16.5px;line-height:1.85;color:var(--muted);
  max-width:34em;margin-bottom:26px;
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;
  padding:8px 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--paper);
  color:var(--green);font-size:14px;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.chip:hover{background:var(--lime);border-color:var(--lime);color:var(--ink);transform:translateY(-2px);}
.hero-figure{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--paper);
}
.hero-figure img{width:100%;height:330px;object-fit:cover;}
.hero-figure figcaption{
  padding:14px 18px;
  font-size:13.5px;line-height:1.7;color:var(--muted);
  border-top:1px solid var(--line);
}

/* ---------- layout helpers ---------- */
.grid-x{display:flex;flex-wrap:wrap;gap:24px;}
.grid-x > .cell{flex:1 1 100%;min-width:0;}
@media (min-width:640px){
  .grid-x > .cell.medium-6{flex:0 0 calc(50% - 12px);max-width:calc(50% - 12px);}
}
@media (min-width:1024px){
  .grid-x > .cell.large-7{flex:0 0 calc(58.3333% - 12px);max-width:calc(58.3333% - 12px);}
  .grid-x > .cell.large-5{flex:0 0 calc(41.6667% - 12px);max-width:calc(41.6667% - 12px);}
}
.section{padding:88px 0;}
.section-head{max-width:780px;margin-bottom:40px;}
.section-index{
  display:inline-grid;place-items:center;
  width:32px;height:32px;
  border:1px solid var(--line);border-radius:8px;
  background:var(--paper);
  font-size:12px;color:var(--green);
  margin-bottom:14px;
}
h2{
  font-size:clamp(26px,3vw,36px);
  line-height:1.22;font-weight:700;
  margin-bottom:12px;
}
.section-head p{color:var(--muted);font-size:16px;max-width:44em;}

/* ---------- risk cards ---------- */
.check-card{
  height:100%;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.check-icon{
  width:44px;height:44px;border-radius:13px;
  display:grid;place-items:center;
  background:var(--sand);color:var(--green);
  margin-bottom:18px;
}
.check-card h3{font-size:20px;line-height:1.4;margin-bottom:10px;}
.check-card p{color:var(--muted);font-size:15.5px;line-height:1.8;margin-bottom:14px;}
.check-list{list-style:none;padding:0;margin:0;}
.check-list li{
  position:relative;
  padding-left:18px;
  font-size:14.5px;color:var(--muted);line-height:1.8;
}
.check-list li + li{margin-top:4px;}
.check-list li::before{
  content:"";position:absolute;left:0;top:.75em;
  width:7px;height:7px;border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 2px rgba(201,242,107,.28);
}

/* ---------- compare table ---------- */
.table-wrap{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--paper);
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
}
table.compare{width:100%;border-collapse:collapse;min-width:680px;}
.compare thead th{
  background:var(--sand);
  font-size:14px;font-weight:600;color:var(--green);
  padding:16px 20px;text-align:left;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.compare tbody td{
  padding:18px 20px;
  font-size:15.5px;line-height:1.8;
  border-bottom:1px solid var(--line);
  vertical-align:top;
  color:var(--muted);
}
.compare tbody td:first-child{color:var(--ink);font-weight:600;}
.compare tbody tr:last-child td{border-bottom:none;}
.compare tbody tr:hover td{background:#FBF9F1;}
.td-ok{color:var(--green)!important;}
.td-no{color:var(--brick)!important;}
.table-note{
  margin-top:14px;
  font-size:13px;color:var(--muted);
}

/* ---------- habit band ---------- */
.habit-band{
  background:var(--ink);
  border-radius:24px;
  padding:44px;
  color:var(--paper);
}
.habit-band h2{color:var(--paper);}
.habit-band .section-head p{color:rgba(255,253,247,.62);}
.habit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.habit-item{
  border-top:3px solid var(--lime);
  padding-top:18px;
}
.habit-item span{display:block;font-size:12px;color:rgba(255,253,247,.5);letter-spacing:.08em;}
.habit-item h3{font-size:18px;margin:8px 0 8px;color:var(--paper);}
.habit-item p{font-size:14.5px;line-height:1.8;color:rgba(255,253,247,.66);}

/* ---------- faq ---------- */
.faq-layout{gap:40px;}
.faq-side{position:sticky;top:96px;align-self:flex-start;}
.faq-side h2{margin-bottom:14px;}
.faq-side p{color:var(--muted);font-size:15.5px;max-width:26em;}
.faq-side .btn{margin-top:22px;}
.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 22px 16px;
  background:none;border:0;
  font-size:17px;font-weight:600;line-height:1.55;
  color:var(--ink);text-align:left;cursor:pointer;
  position:relative;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--green);}
.faq-q::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;
  border-radius:3px;background:var(--lime);
  opacity:0;transition:opacity .2s ease;
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-icon{
  position:relative;flex:0 0 26px;width:26px;height:26px;
  border:1px solid var(--line);border-radius:8px;
  transition:background .18s ease,border-color .18s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--green);border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform .22s ease,opacity .22s ease;
}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;}
.faq-item.is-open .faq-icon{background:var(--lime);border-color:var(--lime);}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{display:none;padding:0 4px 24px 16px;}
.faq-a p{color:var(--muted);font-size:16px;line-height:1.85;max-width:68ch;}
.faq-item.is-open .faq-a{display:block;}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--ink);
  border-radius:24px;
  padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  flex-wrap:wrap;
}
.cta-copy{max-width:34em;}
.cta-copy h2{color:var(--paper);margin-bottom:12px;}
.cta-copy p{color:rgba(255,253,247,.66);font-size:15.5px;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:15.5px;font-weight:600;
  cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--green);color:var(--paper);}
.btn-primary:hover{background:var(--lime);color:var(--ink);transform:translateY(-2px);}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{background:var(--paper);color:var(--ink);transform:translateY(-2px);}
.btn-ghost{background:transparent;border-color:var(--green);color:var(--green);}
.btn-ghost:hover{background:var(--green);color:var(--paper);transform:translateY(-2px);}
.btn-ghost-light{background:transparent;border-color:rgba(255,253,247,.4);color:var(--paper);}
.btn-ghost-light:hover{background:var(--paper);border-color:var(--paper);color:var(--ink);transform:translateY(-2px);}
.btn-wide{width:100%;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,253,247,.78);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.site-footer .brand-mark{background:rgba(255,253,247,.12);color:var(--lime);}
.site-footer .brand-name{color:var(--paper);}
.site-footer .brand-sub{color:rgba(255,253,247,.55);}
.footer-brand p{
  margin-top:16px;
  font-size:14.5px;line-height:1.85;
  color:rgba(255,253,247,.6);
  max-width:34ch;
}
.footer-col h4{
  color:var(--paper);font-size:14px;font-weight:600;
  margin-bottom:14px;letter-spacing:.04em;
}
.footer-links{display:flex;flex-direction:column;}
.footer-links a{
  color:rgba(255,253,247,.72);
  font-size:14.5px;line-height:1.9;
  padding:2px 0;
}
.footer-links a:hover{color:var(--lime);}
.footer-contact{font-size:14.5px;line-height:1.9;color:rgba(255,253,247,.6);}
.footer-contact strong{display:block;color:var(--paper);font-size:14px;font-weight:600;margin-bottom:2px;}
.footer-bottom{
  margin-top:48px;
  border-top:1px solid rgba(255,253,247,.14);
  padding:20px 0 28px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,253,247,.5);
}
.footer-bottom a{color:rgba(255,253,247,.7);}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  :root{--container:1120px;}
}
@media (max-width:1024px){
  .site-header{height:64px;}
  .header-left{flex:1 1 auto;padding:0 16px;gap:12px;}
  .nav-menu{display:none;}
  .header-right{flex:0 0 auto;background:transparent;padding:0 16px;gap:10px;}
  .header-right .search-toggle,
  .header-right .search-slot,
  .header-right .nav-cta{display:none;}
  .hamburger{display:inline-flex;}
  .section{padding:60px 0;}
  .habit-band{padding:32px;}
  .habit-grid{grid-template-columns:1fr;}
  .cta-band{padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .faq-side{position:static;}
  .hero-figure img{height:280px;}
  .page-hero{padding-bottom:48px;}
}
@media (max-width:639px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section{padding:44px 0;}
  .page-hero h1{font-size:30px;}
  .lead{font-size:15.5px;}
  .hero-figure img{height:220px;}
  .check-card{padding:20px;}
  .habit-band{padding:24px;border-radius:18px;}
  .cta-band{padding:26px;border-radius:18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-q{font-size:16px;padding:18px 4px 18px 14px;}
  .faq-a{padding-left:14px;}
  .compare thead th,.compare tbody td{padding:14px 16px;}
}

/* roulang page: category3 */
:root{
  --ink:#0F1512;
  --pine:#14503A;
  --lime:#C9F26B;
  --sand:#F5F2E9;
  --paper:#FFFDF7;
  --line:#D9D5C8;
  --text:#1A231E;
  --muted:#5E6B63;
  --brick:#B4552D;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-img:16px;
  --shadow-hover:0 12px 30px rgba(15,21,18,.08);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --mono:"DIN Alternate","Inter","Helvetica Neue",Arial,sans-serif;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{
  font-family:var(--font);
  color:var(--ink);
  letter-spacing:.01em;
  margin:0;
  font-weight:700;
}
h1{font-size:clamp(32px,4.4vw,52px);line-height:1.14;}
h2{font-size:clamp(25px,2.9vw,35px);line-height:1.24;}
h3{font-size:21px;line-height:1.4;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
a{color:var(--pine);text-decoration:none;transition:color .2s ease,background-color .2s ease;}
a:hover{color:var(--pine);}
img{max-width:100%;display:block;}
button{font-family:inherit;}
ul{margin:0;padding:0;list-style:none;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;margin:0;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--pine);
  background:rgba(201,242,107,.35);
  border:1px solid rgba(20,80,58,.18);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:18px;
}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  text-align:center;
  line-height:1;
}
.btn:active{transform:translateY(0);}
.btn:focus-visible{outline:3px solid var(--lime);outline-offset:2px;}
.btn-primary{background:var(--pine);color:var(--paper);}
.btn-primary:hover{background:var(--lime);color:var(--ink);transform:translateY(-2px);}
.btn-secondary{background:transparent;color:var(--pine);border-color:var(--pine);}
.btn-secondary:hover{background:var(--pine);color:var(--paper);}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{background:var(--paper);color:var(--ink);transform:translateY(-2px);}
.btn-ghost-light{background:transparent;color:var(--paper);border-color:rgba(255,253,247,.45);}
.btn-ghost-light:hover{background:var(--paper);color:var(--ink);border-color:var(--paper);}
/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:40;background:var(--paper);transition:box-shadow .2s ease;}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(15,21,18,.07);}
.nav-desktop{
  display:flex;
  align-items:stretch;
  height:68px;
  border-bottom:1px solid var(--line);
}
.nav-left{
  flex:0 0 58%;
  display:flex;
  align-items:center;
  gap:28px;
  padding:0 24px;
  min-width:0;
}
.nav-right{
  flex:0 0 42%;
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:12px;
  padding:0 24px;
  background:var(--ink);
}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--pine);
  color:var(--lime);
  font-family:var(--mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
}
.brand-text{display:inline-flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.16em;font-weight:500;}
.nav-menu{display:flex;align-items:stretch;gap:2px;min-width:0;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:68px;
  padding:0 10px;
  font-size:15px;
  font-weight:500;
  color:#3C4A42;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:10px;right:10px;bottom:0;
  height:2px;
  background:transparent;
  transition:background-color .2s ease;
}
.nav-link:hover{color:var(--pine);}
.nav-link:hover::after{background:rgba(20,80,58,.25);}
.nav-link.is-active{color:var(--ink);font-weight:700;}
.nav-link.is-active::after{background:var(--lime);}
.search-toggle{
  height:38px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid rgba(255,253,247,.32);
  background:transparent;
  color:var(--paper);
  font-size:14px;
  cursor:pointer;
  transition:background-color .2s ease,color .2s ease;
}
.search-toggle:hover{background:rgba(255,253,247,.12);}
.search-toggle:focus-visible{outline:3px solid var(--lime);outline-offset:2px;}
.nav-search{display:none;width:220px;}
.nav-search.is-open{display:block;}
.nav-search input[type="search"]{
  width:100%;
  height:38px;
  border-radius:999px;
  border:1px solid rgba(255,253,247,.35);
  background:rgba(255,253,247,.08);
  color:var(--paper);
  font-size:14px;
  padding:0 16px;
}
.nav-search input[type="search"]::placeholder{color:rgba(255,253,247,.55);}
.nav-search input[type="search"]:focus{outline:2px solid var(--lime);outline-offset:1px;}
.btn-nav{
  height:40px;
  padding:0 20px;
  font-size:14px;
  background:var(--lime);
  color:var(--ink);
  border-radius:var(--radius-btn);
  display:inline-flex;
  align-items:center;
  font-weight:700;
}
.btn-nav:hover{background:var(--paper);color:var(--ink);}
.nav-mobile{
  display:none;
  align-items:center;
  justify-content:space-between;
  height:60px;
  padding:0 16px;
  border-bottom:1px solid var(--line);
  background:var(--paper);
}
.menu-toggle{
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--paper);
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  cursor:pointer;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.menu-toggle:focus-visible{outline:3px solid var(--lime);outline-offset:2px;}
/* off-canvas */
.off-canvas .close-button{color:var(--ink);font-size:26px;top:16px;right:16px;}
.oc-brand{display:flex;align-items:center;gap:10px;padding:24px 20px 18px;border-bottom:1px solid var(--line);}
.oc-nav{display:flex;flex-direction:column;padding:8px 0;}
.oc-nav a{padding:14px 20px;font-size:16px;color:var(--text);border-bottom:1px solid rgba(217,213,200,.6);}
.oc-nav a:hover{background:var(--sand);color:var(--pine);}
.oc-nav a.is-active{color:var(--pine);font-weight:700;background:rgba(201,242,107,.22);}
.oc-cta{margin:20px;width:calc(100% - 40px);}
/* ============ Hero ============ */
.page-hero{
  background:var(--paper);
  border-bottom:1px solid var(--line);
  padding:44px 0 56px;
}
.hero-grid{margin-left:-16px;margin-right:-16px;}
.hero-grid > .cell{padding-left:16px;padding-right:16px;}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:18px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--pine);text-decoration:underline;}
.breadcrumb span[aria-current]{color:var(--ink);font-weight:600;}
.hero-copy h1{margin-bottom:18px;max-width:640px;}
.hero-lead{font-size:17px;color:var(--muted);max-width:600px;margin-bottom:26px;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--sand);
  color:var(--pine);
  font-size:14px;
  font-weight:600;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.chip:hover{background:var(--pine);color:var(--paper);border-color:var(--pine);transform:translateY(-2px);}
.chip:focus-visible{outline:3px solid var(--lime);outline-offset:2px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;
  height:300px;
  object-fit:cover;
  border-radius:var(--radius-img);
  border:1px solid var(--line);
}
.media-note{
  margin-top:14px;
  background:var(--sand);
  border:1px solid var(--line);
  border-radius:14px;
  padding:14px 18px;
  font-size:13px;
  color:var(--muted);
  line-height:1.7;
}
.media-note strong{color:var(--ink);display:block;font-size:14px;margin-bottom:2px;}
/* ============ Tabs 区块 ============ */
.tabs-shell{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);padding:28px;}
.device-tabs{
  display:flex;
  gap:10px;
  border:none;
  margin:0 0 26px;
  padding:0 0 6px;
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;
}
.device-tabs .tabs-title{float:none;flex:0 0 auto;margin:0;}
.device-tabs .tabs-title > a{
  display:block;
  padding:10px 22px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--paper);
  color:var(--muted);
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  line-height:1.4;
  transition:all .2s ease;
}
.device-tabs .tabs-title > a:hover{color:var(--pine);border-color:var(--pine);}
.device-tabs .tabs-title > a:focus-visible{outline:3px solid var(--lime);outline-offset:2px;}
.device-tabs .tabs-title.is-active > a{background:var(--pine);border-color:var(--pine);color:var(--paper);}
.tabs-content{border:none;margin:0;background:transparent;}
.tabs-panel{padding:0;}
.spec-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  margin-bottom:26px;
}
.spec-card{
  background:var(--sand);
  border:1px solid var(--line);
  border-radius:16px;
  padding:22px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.spec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(20,80,58,.3);}
.spec-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;height:32px;
  border-radius:9px;
  border:1px solid var(--pine);
  background:var(--paper);
  color:var(--pine);
  font-family:var(--mono);
  font-size:13px;
  font-weight:700;
  margin-bottom:14px;
}
.spec-card h3{font-size:17px;margin-bottom:8px;}
.spec-card p{font-size:14.5px;color:var(--muted);line-height:1.75;margin:0;}
/* 表格 */
.table-scroll{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:14px;border:1px solid var(--line);}
table.compat{width:100%;min-width:560px;border-collapse:collapse;background:var(--paper);font-size:14.5px;}
table.compat caption{
  caption-side:top;
  text-align:left;
  font-size:13px;
  font-weight:600;
  color:var(--muted);
  padding:12px 16px;
  background:var(--sand);
  border-bottom:1px solid var(--line);
}
table.compat th,table.compat td{
  padding:13px 16px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:top;
  line-height:1.7;
}
table.compat thead th{background:rgba(20,80,58,.07);color:var(--ink);font-weight:700;font-size:14px;white-space:nowrap;}
table.compat tbody tr:last-child th,table.compat tbody tr:last-child td{border-bottom:none;}
table.compat tbody th{font-weight:600;color:var(--ink);width:22%;white-space:nowrap;}
table.compat td{color:var(--muted);}
table.compat tbody tr:hover td{background:rgba(245,242,233,.7);}
/* ============ 显示异常 ============ */
.trouble-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.trouble-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.trouble-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(20,80,58,.3);}
.trouble-icon{
  width:42px;height:42px;
  border-radius:12px;
  background:rgba(201,242,107,.45);
  border:1px solid rgba(20,80,58,.16);
  display:inline-flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.trouble-icon svg{width:20px;height:20px;stroke:var(--pine);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.trouble-card h3{font-size:18px;margin-bottom:8px;}
.trouble-card p{font-size:15px;color:var(--muted);margin:0;}
.order-box{
  margin-top:28px;
  background:var(--ink);
  border-radius:var(--radius-card);
  padding:28px 30px;
  display:flex;
  flex-wrap:wrap;
  gap:24px;
  align-items:center;
}
.order-box h3{color:var(--paper);font-size:18px;margin:0 0 4px;}
.order-box .order-note{color:rgba(255,253,247,.66);font-size:14px;margin:0;}
.order-steps{display:flex;flex-wrap:wrap;gap:12px;list-style:none;margin:0;padding:0;}
.order-steps li{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 16px;
  border-radius:999px;
  border:1px solid rgba(201,242,107,.4);
  color:var(--paper);
  font-size:14px;
  font-weight:500;
}
.order-steps li span{
  font-family:var(--mono);
  color:var(--lime);
  font-weight:700;
}
/* ============ FAQ ============ */
.faq-list{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  margin:0;
  list-style:none;
}
.faq-list .accordion-item{border-bottom:1px solid var(--line);background:transparent;}
.faq-list .accordion-item:last-child{border-bottom:none;}
.faq-list .accordion-title{
  position:relative;
  display:block;
  padding:22px 62px 22px 26px;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  background:transparent;
  border:none;
  line-height:1.6;
  transition:background-color .2s ease,color .2s ease;
}
.faq-list .accordion-title:hover{background:rgba(245,242,233,.85);color:var(--pine);}
.faq-list .accordion-title:focus-visible{outline:3px solid var(--lime);outline-offset:-3px;}
.faq-list .accordion-title::before{
  content:"+";
  position:absolute;
  right:24px;
  top:50%;
  transform:translateY(-50%);
  font-size:22px;
  font-weight:400;
  color:var(--pine);
  line-height:1;
  transition:transform .25s ease,color .25s ease;
}
.faq-list .accordion-item.is-active .accordion-title::before{content:"−";transform:translateY(-50%) rotate(180deg);}
.faq-list .accordion-item.is-active .accordion-title{
  color:var(--pine);
  background:rgba(201,242,107,.14);
  box-shadow:inset 3px 0 0 var(--lime);
}
.faq-list .accordion-content{
  padding:0 62px 24px 26px;
  color:var(--muted);
  font-size:15.5px;
  line-height:1.85;
  border:none;
  background:transparent;
  max-width:72ch;
}
.faq-list .accordion-content p{margin:0;}
/* ============ CTA ============ */
.cta-band{
  background:var(--ink);
  padding:72px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{color:var(--paper);margin-bottom:10px;}
.cta-inner p{color:rgba(255,253,247,.7);font-size:15.5px;max-width:620px;margin:0;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,253,247,.72);padding:64px 0 0;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.35fr;gap:32px;padding-bottom:48px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-name{color:var(--paper);}
.footer-brand .brand-sub{color:rgba(255,253,247,.5);}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink);}
.footer-brand p{color:rgba(255,253,247,.62);font-size:14px;line-height:1.8;margin:0;max-width:320px;}
.footer-col h4{color:var(--paper);font-size:15px;margin:0 0 16px;font-weight:700;}
.footer-links{display:flex;flex-direction:column;line-height:1.9;}
.footer-links a{color:rgba(255,253,247,.68);padding:3px 0;font-size:14.5px;transition:color .2s ease;}
.footer-links a:hover{color:var(--lime);}
.footer-contact{color:rgba(255,253,247,.62);line-height:1.9;font-size:14px;}
.footer-contact strong{display:block;color:var(--paper);font-size:14px;font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,253,247,.16);
  padding:20px 0 26px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,253,247,.5);
}
.footer-bottom a{color:rgba(255,253,247,.6);}
.footer-bottom a:hover{color:var(--lime);}
/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-desktop{display:none;}
  .nav-mobile{display:flex;}
  .section{padding:64px 0;}
  .section--tight{padding:52px 0;}
  .spec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .hero-media img{height:260px;}
}
@media (max-width:767px){
  .trouble-grid{grid-template-columns:1fr;}
  .spec-grid{grid-template-columns:1fr;}
  .tabs-shell{padding:20px;}
  .order-box{padding:22px;gap:16px;}
  .cta-band{padding:56px 0;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
}
@media (max-width:639px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .section--tight{padding:44px 0;}
  .page-hero{padding:28px 0 40px;}
  .hero-grid{margin-left:-10px;margin-right:-10px;}
  .hero-grid > .cell{padding-left:10px;padding-right:10px;}
  .hero-media{margin-top:28px;}
  .hero-media img{height:220px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;}
  .faq-list .accordion-title{padding:18px 52px 18px 20px;font-size:16px;}
  .faq-list .accordion-content{padding:0 20px 20px 20px;}
  .order-steps li{width:100%;justify-content:flex-start;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category4 */
:root{
  --ink:#0F1512;
  --pine:#14503A;
  --pine-soft:#1C6A4B;
  --lime:#C9F26B;
  --sand:#F5F2E9;
  --paper:#FFFDF7;
  --line:#D9D5C8;
  --text:#1A231E;
  --muted:#5E6B63;
  --brick:#B4552D;
  --r-lg:18px;
  --r-md:12px;
  --r-sm:10px;
  --shadow-hover:0 12px 30px rgba(15,21,18,.08);
  --sec-y:92px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --font-num:"DIN Alternate","Inter","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;}

body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}

h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;color:var(--ink);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--pine);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--pine-soft);}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;font-size:15px;}

.container{
  width:100%;
  max-width:1224px;
  margin:0 auto;
  padding-left:12px;
  padding-right:12px;
}

.grid-x{margin-left:0;margin-right:0;}
.grid-x>.cell{padding-left:12px;padding-right:12px;}

.section{padding:var(--sec-y) 0;}
.section-tight{padding:64px 0;}
.section-head{margin-bottom:44px;max-width:760px;}
.section-head h2{
  font-size:clamp(26px,3vw,36px);
  line-height:1.22;
  margin-bottom:16px;
}
.section-head p{color:var(--muted);font-size:16px;margin:0;}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--pine);
  background:rgba(201,242,107,.38);
  border:1px solid rgba(20,80,58,.18);
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:20px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--pine);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-md);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--pine);color:var(--paper);}
.btn-primary:hover{background:var(--lime);color:var(--ink);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--pine);color:var(--pine);}
.btn-ghost:hover{background:var(--pine);color:var(--paper);}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{background:var(--paper);color:var(--ink);transform:translateY(-2px);}
.btn-block{width:100%;}
.btn:focus-visible{outline:3px solid var(--lime);outline-offset:3px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:0 6px 18px rgba(15,21,18,.06);}
.header-split{
  display:flex;
  align-items:stretch;
  min-height:68px;
  max-width:1360px;
  margin:0 auto;
}
.header-left{
  flex:0 0 58%;
  max-width:58%;
  display:flex;
  align-items:center;
  gap:26px;
  padding:0 24px;
  background:var(--paper);
  min-width:0;
}
.header-right{
  flex:0 0 42%;
  max-width:42%;
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:12px;
  padding:0 24px;
  background:var(--ink);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--ink);
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:36px;height:36px;
  border-radius:10px;
  background:var(--ink);
  color:var(--lime);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-num);
  font-size:13px;
  font-weight:700;
  letter-spacing:.02em;
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:15.5px;font-weight:700;letter-spacing:.01em;}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.12em;}

.nav-menu{display:flex;align-items:stretch;gap:2px;height:68px;min-width:0;}
.nav-link{
  display:inline-flex;
  align-items:center;
  padding:0 12px;
  font-size:14.5px;
  color:var(--muted);
  border-bottom:2px solid transparent;
  white-space:nowrap;
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.nav-link:hover{color:var(--ink);background:rgba(201,242,107,.22);}
.nav-link.is-active{color:var(--ink);font-weight:700;border-bottom-color:var(--lime);}
.nav-link:focus-visible{outline:3px solid var(--lime);outline-offset:-4px;}

.header-search{
  display:flex;
  align-items:center;
  width:0;
  overflow:hidden;
  transition:width .24s ease;
}
.header-search.is-open{width:220px;}
.header-search input{
  height:38px;
  width:100%;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,253,247,.28);
  background:rgba(255,253,247,.08);
  color:var(--paper);
  padding:0 12px;
  font-size:14px;
}
.header-search input::placeholder{color:rgba(255,253,247,.55);}
.header-search input:focus{
  outline:none;
  border-color:var(--lime);
  box-shadow:0 0 0 3px rgba(201,242,107,.3);
}
.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,253,247,.28);
  background:transparent;
  color:var(--paper);
  cursor:pointer;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease;
}
.icon-btn:hover{background:rgba(255,253,247,.12);border-color:var(--lime);color:var(--lime);}
.icon-btn:focus-visible{outline:3px solid var(--lime);outline-offset:2px;}
.icon-btn svg{width:16px;height:16px;}

.menu-toggle{display:none;}

/* ---------- 移动菜单面板 ---------- */
.mobile-panel{
  position:fixed;
  top:0;right:0;
  width:min(88vw,360px);
  height:100%;
  background:var(--paper);
  border-left:1px solid var(--line);
  z-index:90;
  transform:translateX(102%);
  transition:transform .28s ease;
  display:flex;
  flex-direction:column;
  padding:20px;
  overflow-y:auto;
  box-shadow:-18px 0 40px rgba(15,21,18,.12);
}
.mobile-panel.is-open{transform:translateX(0);}
.mobile-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.mobile-panel-head .brand-name{font-size:16px;}
.mobile-close{
  width:36px;height:36px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:var(--sand);
  color:var(--ink);
  font-size:20px;
  line-height:1;
  cursor:pointer;
}
.mobile-close:focus-visible{outline:3px solid var(--lime);outline-offset:2px;}
.mobile-nav{display:flex;flex-direction:column;margin-bottom:20px;}
.mobile-nav a{
  padding:14px 4px;
  border-bottom:1px solid var(--line);
  color:var(--text);
  font-size:15.5px;
}
.mobile-nav a:hover{color:var(--pine);}
.mobile-nav a.is-active{color:var(--pine);font-weight:700;}
.mobile-search{margin-bottom:18px;}
.mobile-search input{
  width:100%;height:44px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:var(--sand);
  padding:0 12px;
  color:var(--text);
}
.mobile-search input:focus{outline:none;border-color:var(--pine);box-shadow:0 0 0 3px rgba(201,242,107,.5);}
.panel-mask{
  position:fixed;inset:0;
  background:rgba(15,21,18,.42);
  z-index:80;
  opacity:0;
  visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;
}
.panel-mask.is-open{opacity:1;visibility:visible;}

/* ---------- Hero ---------- */
.page-hero{
  background:var(--paper);
  border-bottom:1px solid var(--line);
  padding:48px 0 60px;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:24px;
}
.breadcrumb a{color:var(--muted);border-bottom:1px solid transparent;}
.breadcrumb a:hover{color:var(--pine);border-bottom-color:var(--lime);}
.breadcrumb span.sep{color:#B9B4A4;}

.hero-copy h1{
  font-size:clamp(34px,4.4vw,52px);
  line-height:1.14;
  margin-bottom:20px;
}
.hero-lead{
  font-size:16.5px;
  line-height:1.85;
  color:var(--muted);
  max-width:56ch;
  margin-bottom:28px;
}
.chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:36px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--sand);
  color:var(--text);
  font-size:13px;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease,transform .18s ease;
}
.chip:hover{background:var(--lime);border-color:var(--lime);color:var(--ink);transform:translateY(-2px);}
.chip:focus-visible{outline:3px solid var(--lime);outline-offset:2px;}

.hero-visual{position:relative;}
.hero-visual img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
}
.hero-visual .visual-badge{
  position:absolute;
  left:20px;
  bottom:20px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:14px;
  padding:14px 18px;
  box-shadow:0 8px 24px rgba(15,21,18,.08);
  max-width:230px;
}
.visual-badge strong{
  display:block;
  font-family:var(--font-num);
  font-size:24px;
  color:var(--pine);
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.visual-badge span{font-size:12px;color:var(--muted);}

/* ---------- 检索区 ---------- */
.qa-tools{
  margin-top:-30px;
  position:relative;
  z-index:2;
}
.tools-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 28px;
  box-shadow:0 14px 34px rgba(15,21,18,.06);
}
.tools-card h2{
  font-size:17px;
  font-weight:700;
  margin-bottom:14px;
}
.search-line{display:flex;gap:12px;flex-wrap:wrap;}
.search-line .field{
  flex:1 1 320px;
  min-width:0;
  position:relative;
}
.search-line input{
  width:100%;
  height:48px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--sand);
  padding:0 16px;
  color:var(--text);
  font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-line input::placeholder{color:#94998F;}
.search-line input:focus{
  outline:none;
  border-color:var(--pine);
  box-shadow:0 0 0 3px rgba(201,242,107,.55);
}
.search-line .btn{flex:0 0 auto;}
.search-hint{
  margin-top:14px;
  font-size:13px;
  color:var(--muted);
}
.search-hint strong{color:var(--pine);font-weight:600;}

/* ---------- 环节索引 ---------- */
.route-list{
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--paper);
}
.route-item{
  display:flex;
  align-items:center;
  gap:18px;
  padding:22px 26px;
  border-bottom:1px solid var(--line);
  color:var(--text);
  transition:background-color .18s ease,padding-left .18s ease;
}
.route-item:last-child{border-bottom:0;}
.route-item:hover{background:rgba(201,242,107,.22);padding-left:32px;color:var(--text);}
.route-item:focus-visible{outline:3px solid var(--pine);outline-offset:-3px;}
.route-num{
  font-family:var(--font-num);
  font-size:13px;
  color:var(--pine);
  width:34px;height:34px;
  border:1px solid var(--line);
  border-radius:8px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  font-variant-numeric:tabular-nums;
}
.route-body{flex:1 1 auto;min-width:0;}
.route-body strong{display:block;font-size:16.5px;font-weight:700;color:var(--ink);margin-bottom:2px;}
.route-body span{font-size:13.5px;color:var(--muted);}
.route-arrow{flex-shrink:0;color:var(--pine);transition:transform .18s ease;}
.route-item:hover .route-arrow{transform:translateX(4px);}
.route-arrow svg{width:18px;height:18px;}

/* ---------- FAQ ---------- */
.faq-layout{align-items:flex-start;}
.faq-group{margin-bottom:44px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group-head{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:18px;
}
.faq-group-head h3{
  font-size:20px;
  line-height:1.3;
}
.faq-group-head .dot{
  width:8px;height:8px;border-radius:2px;background:var(--lime);flex-shrink:0;
}
.faq-group-head .count{
  font-family:var(--font-num);
  font-size:12px;
  color:var(--muted);
  border:1px solid var(--line);
  border-radius:999px;
  padding:1px 10px;
  font-variant-numeric:tabular-nums;
}

.faq-accordion{
  background:transparent;
  border:0;
  margin:0;
  padding:0;
  list-style:none;
}
.faq-accordion .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--paper);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-accordion .accordion-item:hover{border-color:#C3BEAD;}
.faq-accordion .accordion-item.is-active{
  border-color:rgba(20,80,58,.35);
  box-shadow:0 10px 26px rgba(15,21,18,.06);
}
.faq-accordion .accordion-title{
  display:block;
  position:relative;
  padding:18px 56px 18px 24px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  border:0;
  background:transparent;
  text-decoration:none;
  line-height:1.55;
}
.faq-accordion .accordion-title:hover{color:var(--pine);}
.faq-accordion .accordion-title:focus-visible{outline:3px solid var(--lime);outline-offset:-4px;}
.faq-accordion .accordion-title::before{
  content:"+";
  position:absolute;
  right:22px;
  top:50%;
  transform:translateY(-50%);
  font-family:var(--font-num);
  font-size:20px;
  line-height:1;
  color:var(--pine);
  transition:transform .22s ease,color .22s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{
  content:"–";
  color:var(--ink);
}
.faq-accordion .accordion-content{
  display:none;
  padding:0 24px 22px;
  border:0;
  background:transparent;
  color:var(--muted);
  font-size:15.5px;
  line-height:1.85;
  max-width:68ch;
}
.faq-accordion .accordion-item.is-active>.accordion-content{display:block;}
.faq-accordion .accordion-content p{margin-bottom:.85em;}

/* ---------- 联系卡 ---------- */
.contact-card{
  background:var(--ink);
  color:#E7EBE3;
  border-radius:var(--r-lg);
  padding:28px;
  position:sticky;
  top:96px;
}
.contact-card h3{
  color:var(--paper);
  font-size:19px;
  margin-bottom:12px;
}
.contact-card p{font-size:14px;color:#B9C2B8;line-height:1.8;}
.contact-list{margin:20px 0 22px;display:flex;flex-direction:column;gap:14px;}
.contact-list li{
  display:flex;
  gap:12px;
  font-size:14px;
  color:#D5DBD2;
  line-height:1.65;
}
.contact-list .k{
  flex-shrink:0;
  width:22px;height:22px;
  border-radius:6px;
  background:rgba(201,242,107,.16);
  color:var(--lime);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-num);
  font-size:11px;
  margin-top:2px;
}
.contact-card .btn{width:100%;}
.contact-note{
  margin-top:16px;
  font-size:12px;
  color:#8F9A8E;
  line-height:1.7;
}

/* ---------- 准备清单 ---------- */
.checklist{display:flex;flex-direction:column;gap:16px;}
.checklist li{
  display:flex;
  gap:14px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px 22px;
}
.checklist .mark{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:8px;
  background:var(--lime);
  color:var(--ink);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-num);
  font-size:12px;
  font-weight:700;
}
.checklist strong{display:block;font-size:15.5px;color:var(--ink);margin-bottom:4px;}
.checklist span{font-size:14px;color:var(--muted);line-height:1.75;}

/* ---------- CTA ---------- */
.cta-section{
  position:relative;
  background-color:var(--ink);
  color:#E7EBE3;
  overflow:hidden;
}
.cta-section::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.16;
}
.cta-section .container{position:relative;z-index:2;}
.cta-section h2{
  color:var(--paper);
  font-size:clamp(26px,3vw,34px);
  line-height:1.24;
  margin-bottom:16px;
}
.cta-section .cta-lead{color:#C2CBC1;font-size:16px;max-width:52ch;}
.cta-section .checklist li{
  background:rgba(255,253,247,.06);
  border-color:rgba(255,253,247,.16);
}
.cta-section .checklist strong{color:var(--paper);}
.cta-section .checklist span{color:#B9C2B8;}

.cta-form{
  background:var(--paper);
  border-radius:var(--r-lg);
  padding:28px;
  color:var(--text);
}
.cta-form h3{font-size:18px;margin-bottom:6px;}
.cta-form .form-note{font-size:13px;color:var(--muted);margin-bottom:20px;}
.field-row{margin-bottom:16px;}
.field-row label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--pine);
  margin-bottom:6px;
}
.field-row input[type="text"],
.field-row textarea{
  width:100%;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--sand);
  padding:12px 14px;
  color:var(--text);
  font-size:15px;
  line-height:1.6;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field-row input[type="text"]{height:48px;padding:0 14px;}
.field-row textarea{min-height:104px;resize:vertical;}
.field-row input:focus,
.field-row textarea:focus{
  outline:none;
  border-color:var(--pine);
  box-shadow:0 0 0 3px rgba(201,242,107,.55);
}
.consent{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:13px;
  color:var(--muted);
  line-height:1.7;
  margin-bottom:18px;
}
.consent input{margin-top:4px;accent-color:var(--pine);width:16px;height:16px;flex-shrink:0;}
.form-feedback{
  display:none;
  margin-top:14px;
  font-size:13.5px;
  color:var(--pine);
  background:rgba(201,242,107,.28);
  border:1px solid rgba(20,80,58,.2);
  border-radius:var(--r-sm);
  padding:10px 14px;
}
.form-feedback.is-visible{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:#B9C2B8;
  padding:64px 0 22px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:32px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,253,247,.14);
}
.footer-brand .brand{color:var(--paper);}
.footer-brand .brand-name{color:var(--paper);}
.footer-brand .brand-sub{color:#8F9A8E;}
.footer-brand .brand-mark{background:rgba(255,253,247,.1);color:var(--lime);}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.8;
  color:#A6B0A5;
  max-width:34ch;
}
.footer-col h4{
  color:var(--paper);
  font-size:14px;
  letter-spacing:.06em;
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  color:#A6B0A5;
  font-size:14px;
  line-height:1.9;
  border-bottom:1px solid transparent;
  width:fit-content;
}
.footer-links a:hover{color:var(--lime);border-bottom-color:rgba(201,242,107,.5);}
.footer-links a:focus-visible{outline:3px solid var(--lime);outline-offset:3px;}
.footer-contact{font-size:14px;line-height:1.85;color:#A6B0A5;}
.footer-contact strong{display:block;color:var(--paper);font-size:13.5px;margin-bottom:2px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  padding-top:20px;
  font-size:13px;
  color:#8F9A8E;
}
.footer-bottom a{color:#A6B0A5;}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  :root{--sec-y:64px;}
  .header-left{flex:1 1 auto;max-width:none;padding:0 16px;}
  .header-right{flex:0 0 auto;max-width:none;padding:0 16px;gap:10px;}
  .nav-menu{display:none;}
  .header-search{display:none;}
  .header-right .btn{display:none;}
  .menu-toggle{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:38px;height:38px;
    border-radius:var(--r-sm);
    border:1px solid rgba(255,253,247,.3);
    background:transparent;
    color:var(--paper);
    cursor:pointer;
  }
  .menu-toggle:focus-visible{outline:3px solid var(--lime);outline-offset:2px;}
  .menu-toggle svg{width:18px;height:18px;}
  .page-hero{padding:32px 0 52px;}
  .hero-visual{margin-top:32px;}
  .contact-card{position:static;margin-top:32px;}
  .cta-form{margin-top:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}

@media screen and (max-width:767px){
  body{font-size:16px;}
  .section{padding:52px 0;}
  .tools-card{padding:20px;}
  .faq-accordion .accordion-title{padding:16px 48px 16px 18px;font-size:15.5px;}
  .faq-accordion .accordion-content{padding:0 18px 18px;font-size:15px;}
  .route-item{padding:18px;gap:14px;}
  .route-item:hover{padding-left:18px;}
  .faq-group-head h3{font-size:18px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-brand p{max-width:none;}
}

@media screen and (max-width:519px){
  .brand-name{font-size:14.5px;}
  .brand-mark{width:32px;height:32px;font-size:12px;}
  .hero-copy h1{font-size:30px;}
  .hero-lead{font-size:15.5px;}
  .chip{height:34px;padding:0 13px;font-size:12.5px;}
  .search-line .btn{width:100%;}
  .cta-form{padding:20px;}
  .tools-card{padding:18px;}
  .visual-badge{left:12px;bottom:12px;padding:12px 14px;max-width:200px;}
  .visual-badge strong{font-size:20px;}
}