/* roulang page: index */
:root{
  --ink:#0F4A44;
  --ink-deep:#093530;
  --ink-light:#1E6B62;
  --ink-mist:#EAF2EF;
  --orange:#E07A3F;
  --orange-light:#F2A46E;
  --bamboo:#7FB3A6;
  --paper:#FBF8F2;
  --paper-2:#F1ECE1;
  --card:#FFFFFF;
  --text:#22302E;
  --text-2:#5C6B68;
  --border:#E3DCCF;
  --ok:#3F8F6B;
  --warn:#C4553B;
  --r-s:8px;
  --r-m:12px;
  --r-l:14px;
  --r-xl:18px;
  --sh-1:0 6px 18px rgba(15,74,68,.08);
  --sh-2:0 14px 34px rgba(15,74,68,.14);
  --sh-3:0 18px 44px rgba(15,74,68,.18);
  --bs-primary:#0F4A44;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,sans-serif;
  --bs-body-color:#22302E;
  --bs-body-bg:#FBF8F2;
  --bs-border-color:#E3DCCF;
  --bs-border-radius:12px;
  --bs-link-color:#1E6B62;
  --bs-link-hover-color:#0F4A44;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink-light);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--ink)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:0;list-style:none}
:focus-visible{outline:3px solid rgba(224,122,63,.45);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
@media (min-width:1400px){.container{max-width:1280px}}

/* ---------- 通用部件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 28px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;line-height:1;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  cursor:pointer;text-align:center;
}
.btn-accent{background:var(--orange);color:#fff;box-shadow:0 6px 18px rgba(224,122,63,.24)}
.btn-accent:hover{background:#c9682f;color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(224,122,63,.3)}
.btn-accent:active{background:#b45c27;transform:translateY(0)}
.btn-line{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-line:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn-line:active{background:var(--ink-deep);border-color:var(--ink-deep);color:#fff}
.btn-ghost{background:var(--ink-mist);color:var(--ink-deep)}
.btn-ghost:hover{background:#dbe9e4;color:var(--ink-deep)}
.btn-sm{min-height:40px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.btn-primary{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-primary:hover{background:var(--ink-deep);border-color:var(--ink-deep);color:#fff}
.btn-outline-primary{color:var(--ink);border-color:var(--ink);background:transparent}
.btn-outline-primary:hover{background:var(--ink);border-color:var(--ink);color:#fff}

.eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--ink-mist);color:var(--ink-deep);
  font-size:13px;font-weight:600;line-height:1;
  padding:8px 14px;border-radius:999px;
}
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;line-height:1;
  padding:6px 12px;border-radius:999px;
  background:var(--ink-mist);color:var(--ink-deep);
}
.badge-pill.is-tier{background:#FBE7D7;color:#8A3F13}
.badge-pill.is-hot{background:var(--orange);color:#fff}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-alt{background:var(--paper-2)}
.section-mist{background:var(--ink-mist)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-title{font-size:29px;font-weight:700;line-height:1.3;color:var(--ink-deep);margin-top:14px;letter-spacing:.02em}
.section-sub{font-size:15px;color:var(--text-2);margin-top:10px;max-width:640px}
.link-more{font-size:14px;font-weight:600;color:var(--ink-light);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;min-height:44px}
.link-more:hover{color:var(--orange)}
.link-more:hover .arw{transform:translateX(4px)}
.arw{transition:transform .18s ease;display:inline-block}
.divider-line{height:1px;background:var(--border);border:0;margin:0}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(251,248,242,.94);
  border-bottom:1px solid var(--border);
  transition:box-shadow .24s ease,background-color .24s ease;
  backdrop-filter:saturate(180%) blur(8px);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(251,248,242,.86)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{display:grid;grid-template-columns:repeat(3,5px);grid-template-rows:repeat(3,5px);gap:3px}
.brand-mark i{display:block;width:5px;height:5px;border-radius:2px;background:var(--ink)}
.brand-mark i:nth-child(1),.brand-mark i:nth-child(5),.brand-mark i:nth-child(9){background:var(--orange)}
.brand-text{font-size:19px;font-weight:800;color:var(--ink-deep);letter-spacing:.02em}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text);
  padding:12px 0;line-height:1;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:4px;transform:translateX(-50%);
  width:60%;height:2px;background:var(--orange);border-radius:2px;opacity:0;transition:opacity .18s ease;
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{opacity:1}
.nav-link.active{color:var(--ink);font-weight:600}
.nav-link.active::after{opacity:1}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--border);border-radius:10px;
  background:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;position:relative;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 抽屉 */
.nav-mask{
  position:fixed;inset:0;background:rgba(9,53,48,.42);opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;z-index:1050;
}
.nav-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:320px;background:var(--paper);
  z-index:1060;transform:translateX(100%);transition:transform .28s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;box-shadow:var(--sh-3);
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border);min-height:72px}
.drawer-close{width:44px;height:44px;border:1px solid var(--border);border-radius:10px;background:#fff;font-size:20px;line-height:1;color:var(--ink);cursor:pointer}
.drawer-body{padding:8px 20px;overflow-y:auto;flex:1}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;min-height:48px;
  border-bottom:1px solid var(--border);font-size:15px;font-weight:500;color:var(--text);
}
.drawer-link.active{color:var(--ink);font-weight:600}
.drawer-link.active::after{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange)}
.drawer-foot{padding:20px;border-top:1px solid var(--border)}

/* ---------- Hero ---------- */
.hero{padding:56px 0 72px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;min-height:540px}
.hero-copy{max-width:560px}
.hero h1{
  font-size:42px;line-height:1.3;font-weight:800;color:var(--ink-deep);
  letter-spacing:.02em;margin:20px 0 16px;
}
.hero-sub{font-size:17px;color:var(--text-2);line-height:1.8;max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:32px 0 0}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;margin-top:40px;padding-top:28px;border-top:1px solid var(--border)}
.stat-num{display:block;font-size:24px;font-weight:700;color:var(--ink-deep);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-label{display:block;font-size:13px;color:var(--text-2);margin-top:2px}
.hero-figure{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2)}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-xl)}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(15,74,68,.42) 0%,rgba(15,74,68,.10) 45%,rgba(15,74,68,0) 78%);
  border-radius:var(--r-xl);pointer-events:none;
}
.hero-dots{position:absolute;right:16px;bottom:16px;display:grid;grid-template-columns:repeat(3,5px);grid-template-rows:repeat(2,5px);gap:5px;z-index:2}
.hero-dots i{display:block;width:5px;height:5px;border-radius:50%;background:rgba(15,74,68,.12)}

/* ---------- 价值条 ---------- */
.value-strip{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.value-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.value-cell{padding:32px 28px;border-left:1px solid var(--border)}
.value-cell:first-child{border-left:0;padding-left:0}
.value-icon{width:36px;height:36px;color:var(--ink-light);margin-bottom:14px}
.value-title{font-size:14px;font-weight:700;color:var(--ink-deep);line-height:1.5}
.value-desc{font-size:14px;color:var(--text-2);line-height:1.8;margin-top:6px}

/* ---------- 权益对比表 ---------- */
.table-wrap{position:relative;border:1px solid var(--border);border-radius:var(--r-l);background:#fff;overflow:hidden;box-shadow:var(--sh-1)}
.table-scroll{overflow-x:auto;scrollbar-width:thin;scrollbar-color:var(--bamboo) transparent}
.table-scroll::-webkit-scrollbar{height:8px}
.table-scroll::-webkit-scrollbar-thumb{background:var(--bamboo);border-radius:8px}
.table-scroll::-webkit-scrollbar-track{background:var(--paper-2)}
table.benefit{width:100%;min-width:720px;border-collapse:collapse;font-size:14px}
table.benefit th,table.benefit td{padding:16px 18px;text-align:center;border-bottom:1px solid var(--border);vertical-align:middle}
table.benefit tbody tr:last-child td{border-bottom:0}
table.benefit thead th{background:var(--ink-mist);color:var(--ink-deep);font-weight:700;font-size:15px;padding:20px 18px}
table.benefit th.th-feature,table.benefit td.td-feature{
  text-align:left;position:sticky;left:0;background:#fff;z-index:2;
  font-weight:600;color:var(--ink-deep);font-size:14px;
  border-right:1px solid var(--border);min-width:180px;
}
table.benefit thead th.th-feature{background:var(--ink-mist);z-index:3}
table.benefit tbody tr:hover td{background:var(--paper)}
table.benefit tbody tr:hover td.td-feature{background:var(--paper)}
.col-rank{position:relative}
.col-rank .rank-name{display:block;font-size:18px;font-weight:700;color:var(--ink-deep);line-height:1.4}
.col-rank .rank-price{display:block;font-size:12px;font-weight:500;color:var(--text-2);margin-top:4px}
th.is-top{background:#FFF7EF !important;position:relative}
th.is-top::before{content:"";position:absolute;left:0;right:0;top:0;height:6px;background:var(--orange)}
th.is-top .rank-name{color:#8A3F13}
td.is-top{background:#FFF7EF}
tbody tr:hover td.is-top{background:#FDF0E4}
.top-flag{
  position:absolute;top:14px;right:12px;background:var(--orange);color:#fff;
  font-size:11px;font-weight:700;line-height:1;padding:5px 10px;border-radius:999px;
}
.mark{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%}
.mark.yes{color:var(--ink);background:var(--ink-mist)}
.mark.no{color:#B9B2A4;background:#F5F2EA}
.tier-text{font-size:13px;font-weight:600;color:var(--ink-light)}
.table-note{font-size:13px;color:var(--text-2);margin-top:16px;display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center}
.table-note .link-more{min-height:auto;font-size:13px}

/* ---------- 等级亮点 ---------- */
.tier-grid{display:grid;grid-template-columns:1fr 1.08fr 1.16fr 1.24fr;gap:24px;align-items:stretch}
.tier-col{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-l);
  padding:0 24px 24px;display:flex;flex-direction:column;transition:box-shadow .2s ease,transform .2s ease;
  overflow:hidden;
}
.tier-col:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.tier-bar{height:4px;margin:0 -24px 20px;background:var(--ink)}
.tier-col:nth-child(2) .tier-bar{background:linear-gradient(90deg,var(--ink) 0%,var(--ink-light) 100%)}
.tier-col:nth-child(3) .tier-bar{background:linear-gradient(90deg,var(--ink-light) 0%,var(--bamboo) 60%,var(--orange-light) 100%)}
.tier-col:nth-child(4) .tier-bar{background:linear-gradient(90deg,var(--orange-light) 0%,var(--orange) 100%)}
.tier-num{font-size:56px;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1.5px var(--border);letter-spacing:.02em;font-variant-numeric:tabular-nums}
.tier-name{font-size:18px;font-weight:700;color:var(--ink-deep);margin-top:12px}
.tier-tag{font-size:13px;color:var(--text-2);margin-top:4px}
.tier-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.tier-list li{display:flex;gap:8px;font-size:14px;line-height:1.75;color:var(--text)}
.tier-list .tick{flex:0 0 auto;width:16px;height:16px;margin-top:5px;color:var(--ink)}
.tier-col .link-more{margin-top:20px;font-size:13px}

/* ---------- 专属内容预览 ---------- */
.preview-shell{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px}
.preview-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;grid-template-rows:repeat(2,1fr);gap:16px}
.preview-big{
  grid-column:1;grid-row:span 2;position:relative;border-radius:var(--r-l);overflow:hidden;
  min-height:340px;box-shadow:var(--sh-1);
}
.preview-big img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.preview-big:hover img{transform:scale(1.02)}
.preview-big .cap{
  position:absolute;left:0;right:0;bottom:0;padding:24px;
  background:linear-gradient(180deg,rgba(9,53,48,0) 0%,rgba(9,53,48,.86) 78%);
  color:#fff;
}
.preview-big .cap h3{font-size:20px;font-weight:700;line-height:1.45;margin-top:12px}
.preview-big .cap .badge-pill{background:rgba(255,255,255,.18);color:#fff}
.mini-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-l);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease;
}
.mini-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.mini-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.mini-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px;flex:1}
.mini-title{font-size:15px;font-weight:600;color:var(--ink-deep);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto;font-size:12px;color:var(--text-2)}
.side-links{background:#fff;border:1px solid var(--border);border-radius:var(--r-l);padding:24px;box-shadow:var(--sh-1);height:100%}
.side-links h3{font-size:16px;font-weight:700;color:var(--ink-deep);margin-bottom:6px}
.side-links .side-sub{font-size:13px;color:var(--text-2);margin-bottom:16px}
.side-links ul{display:flex;flex-direction:column}
.side-links li{border-bottom:1px dashed var(--border)}
.side-links li:last-child{border-bottom:0}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  min-height:48px;font-size:14px;color:var(--text);font-weight:500;
}
.side-links a:hover{color:var(--ink)}
.side-links a:hover .arw{transform:translateX(4px)}
.side-links .cnt{font-size:12px;color:var(--text-2);font-variant-numeric:tabular-nums}

/* ---------- 资讯卡片 ---------- */
.news-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-l);overflow:hidden;
  display:flex;flex-direction:column;height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#d6cdbb}
.news-thumb{display:block;overflow:hidden}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.news-card:hover .news-thumb img{transform:scale(1.02)}
.news-body{padding:20px 20px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{font-size:18px;font-weight:600;line-height:1.55;color:var(--ink-deep);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a{color:inherit}
.news-title a:hover{color:var(--ink-light)}
.news-sum{font-size:14px;color:var(--text-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px;font-size:13px;color:var(--text-2)}
.news-foot .go{display:inline-flex;align-items:center;color:var(--ink-light);font-weight:600;font-size:13px}
.news-card:hover .news-foot .go .arw{transform:translateX(4px)}
.empty-box{
  border:1px dashed var(--border);border-radius:var(--r-l);min-height:160px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--text-2);text-align:center;padding:24px;
}
.empty-box svg{color:var(--bamboo)}
.empty-box strong{font-size:15px;font-weight:600;color:var(--ink-deep)}
.empty-box span{font-size:13px}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-aside{position:sticky;top:104px}
.faq-aside h2{font-size:28px;font-weight:700;color:var(--ink-deep);line-height:1.35;margin-top:14px}
.faq-aside p{font-size:15px;color:var(--text-2);margin-top:12px;line-height:1.85}
.faq-aside .link-more{margin-top:12px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-l);
  overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item[open]{box-shadow:var(--sh-1);border-color:#d6cdbb}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;min-height:60px;position:relative;font-size:16px;font-weight:600;color:var(--ink-deep);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--orange);opacity:0;transition:opacity .18s ease;
}
.faq-item[open] summary{color:var(--ink)}
.faq-item[open] summary::before{opacity:1}
.faq-icon{position:relative;flex:0 0 auto;width:20px;height:20px;transition:transform .22s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink-light);border-radius:2px;transition:background-color .18s ease}
.faq-icon::before{left:50%;top:3px;bottom:3px;width:2px;transform:translateX(-50%)}
.faq-icon::after{top:50%;left:3px;right:3px;height:2px;transform:translateY(-50%)}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-item[open] .faq-icon::before,.faq-item[open] .faq-icon::after{background:var(--orange)}
.faq-a{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--text-2)}
.faq-a p+p{margin-top:10px}

/* ---------- 收尾 CTA ---------- */
.cta-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);
  padding:48px;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;
  box-shadow:var(--sh-1);
}
.cta-card h2{font-size:28px;font-weight:700;color:var(--ink-deep);line-height:1.35}
.cta-card .cta-desc{font-size:15px;color:var(--text-2);margin-top:12px;line-height:1.85}
.cta-checks{display:flex;flex-direction:column;gap:10px;margin-top:20px}
.cta-checks li{display:flex;gap:8px;font-size:15px;color:var(--text)}
.cta-checks svg{flex:0 0 auto;margin-top:5px;color:var(--ink)}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-actions .btn{width:100%}
.cta-hint{font-size:12px;color:var(--text-2);text-align:center;margin-top:4px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.76);border-top:1px solid rgba(255,255,255,.12);margin-top:0}
.footer-main{padding:64px 0 40px;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-mark i{background:rgba(255,255,255,.85)}
.footer-brand .brand-mark i:nth-child(1),.footer-brand .brand-mark i:nth-child(5),.footer-brand .brand-mark i:nth-child(9){background:var(--orange-light)}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:16px;max-width:280px;color:rgba(255,255,255,.7)}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:2px}
.footer-col a,.footer-col li span{display:inline-block;font-size:14px;color:rgba(255,255,255,.76);line-height:2.1;transition:color .18s ease,transform .18s ease}
.footer-col a:hover{color:var(--orange-light);transform:translateX(2px)}
.footer-col .contact-line{font-size:14px;color:rgba(255,255,255,.76);line-height:2.1}
.footer-col .contact-line strong{color:#fff;font-weight:600}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;font-size:13px;color:rgba(255,255,255,.56);display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;align-items:center}
.footer-bottom a{color:rgba(255,255,255,.56)}
.footer-bottom a:hover{color:var(--orange-light)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero h1{font-size:36px}
  .tier-grid{grid-template-columns:1fr 1fr;gap:20px}
  .preview-shell{grid-template-columns:1fr}
  .side-links{height:auto}
}
@media (max-width:991px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .hero{padding:40px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:32px;min-height:0}
  .hero-figure{order:-1}
  .hero-figure img{aspect-ratio:16/9}
  .hero h1{font-size:32px}
  .hero-copy{max-width:none}
  .value-grid{grid-template-columns:1fr 1fr}
  .value-cell{border-left:0;border-top:1px solid var(--border);padding:24px 0}
  .value-cell:nth-child(odd){padding-right:24px}
  .value-cell:nth-child(even){padding-left:24px;border-left:1px solid var(--border)}
  .value-cell:nth-child(1),.value-cell:nth-child(2){border-top:0}
  .section{padding:64px 0}
  .section-title{font-size:24px}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-aside{position:static}
  .cta-card{grid-template-columns:1fr;padding:32px;gap:28px}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}
  .preview-grid{grid-template-columns:1fr 1fr;grid-template-rows:auto}
  .preview-big{grid-column:span 2;grid-row:auto;min-height:240px}
}
@media (max-width:767px){
  .container{padding-left:16px;padding-right:16px}
  .hero h1{font-size:29px}
  .hero-sub{font-size:16px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .hero-stats{gap:24px;justify-content:space-between}
  .hero-figure img{aspect-ratio:16/10}
  .tier-grid{grid-template-columns:1fr}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .preview-grid{grid-template-columns:1fr}
  .preview-big{grid-column:span 1}
  .footer-main{grid-template-columns:1fr;gap:28px}
  .section-title{font-size:22px}
  .cta-card{padding:24px;border-radius:var(--r-l)}
  .faq-item summary{font-size:15px;padding:16px 18px}
  .faq-a{padding:0 18px 18px}
}
@media (max-width:519px){
  .brand-text{font-size:17px}
  .hero h1{font-size:27px}
  .hero-stats{gap:16px;padding-top:20px}
  .stat-num{font-size:20px}
  .value-grid{grid-template-columns:1fr}
  .value-cell{padding:20px 0 !important;border-left:0 !important;border-top:1px solid var(--border)}
  .value-cell:first-child{border-top:0}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: category1 */
:root{
  --ink:#0F4A44;
  --ink-deep:#093530;
  --ink-light:#1E6B62;
  --ink-mist:#EAF2EF;
  --orange:#E07A3F;
  --orange-light:#F2A46E;
  --bamboo:#7FB3A6;
  --bg:#FBF8F2;
  --bg-alt:#F1ECE1;
  --card:#FFFFFF;
  --text:#22302E;
  --text-sub:#5C6B68;
  --line:#E3DCCF;
  --ok:#3F8F6B;
  --warn:#C4553B;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:14px;
  --r-xl:18px;
  --sh-rest:0 6px 18px rgba(15,74,68,.08);
  --sh-hover:0 14px 34px rgba(15,74,68,.14);
  --sh-pop:0 18px 44px rgba(15,74,68,.18);
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--ink-light);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--ink);}
button{font-family:inherit;}
h1,h2,h3,h4{line-height:1.3;color:var(--ink-deep);margin:0;letter-spacing:.02em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
:focus-visible{outline:3px solid rgba(15,74,68,.28);outline-offset:2px;border-radius:6px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:900;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
  background:rgba(251,248,242,.88);
  backdrop-filter:saturate(150%) blur(10px);
  box-shadow:var(--sh-rest);
}
.header-inner{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:30px;height:30px;display:grid;
  grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);
  gap:3px;flex:0 0 auto;
}
.brand-mark i{display:block;border-radius:2px;background:var(--ink);opacity:.9;}
.brand-mark i:nth-child(3),
.brand-mark i:nth-child(5),
.brand-mark i:nth-child(7){background:var(--orange);opacity:1;}
.brand-text{
  font-size:19px;font-weight:800;color:var(--ink-deep);letter-spacing:.02em;white-space:nowrap;
}
.footer-brand .brand-mark i{background:#fff;opacity:.85;}
.footer-brand .brand-mark i:nth-child(3),
.footer-brand .brand-mark i:nth-child(5),
.footer-brand .brand-mark i:nth-child(7){background:var(--orange-light);}
.footer-brand .brand-text{color:#fff;}

.main-nav{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text);
  padding:6px 0;white-space:nowrap;transition:color var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:60%;height:2px;background:var(--orange);border-radius:2px;opacity:0;transition:opacity var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{opacity:1;}
.nav-link.active{color:var(--ink);font-weight:600;}
.nav-link.active::after{opacity:1;}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.btn-cta-top{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:10px;border:1px solid var(--orange);
  background:var(--orange);color:#fff;font-size:14px;font-weight:600;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-cta-top:hover{background:#c9682f;border-color:#c9682f;color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(224,122,63,.28);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:18px;align-items:center;justify-content:center;
  transition:background var(--ease),border-color var(--ease);
}
.nav-toggle:hover{background:var(--ink-mist);border-color:var(--bamboo);}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(9,53,48,.42);opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);z-index:950;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:320px;
  background:var(--bg);z-index:960;transform:translateX(102%);
  transition:transform 240ms ease;display:flex;flex-direction:column;
  box-shadow:var(--sh-pop);padding:16px 20px 24px;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:12px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;
  color:var(--ink);font-size:16px;display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:var(--ink-mist);}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px;}
.drawer-nav a{
  height:48px;display:flex;align-items:center;font-size:15px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--ink);font-weight:600;}
.drawer-nav a:hover{color:var(--ink-light);}
.drawer-cta{margin-top:auto;padding-top:20px;}
.drawer-cta .btn-primary-solid{width:100%;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 26px;border-radius:10px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;letter-spacing:.02em;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary-solid{background:var(--orange);color:#fff;border-color:var(--orange);}
.btn-primary-solid:hover{background:#c9682f;border-color:#c9682f;color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(224,122,63,.3);}
.btn-outline-ink{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-outline-ink:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink-light);
  border:0;background:none;padding:0;min-height:auto;
}
.btn-text i{transition:transform var(--ease);}
.btn-text:hover{color:var(--ink);}
.btn-text:hover i{transform:translateX(4px);}

/* ---------- badges ---------- */
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-mist{background:var(--ink-mist);color:var(--ink-deep);}
.badge-sun{background:var(--orange-light);color:#8A3F13;}
.badge-solid{background:var(--orange);color:#fff;}

/* ---------- breadcrumb ---------- */
.crumb-wrap{padding:20px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-sub);}
.crumb a{color:var(--text-sub);}
.crumb a:hover{color:var(--ink-light);}
.crumb .sep{color:var(--bamboo);}
.crumb .current{color:var(--ink-deep);font-weight:600;}

/* ---------- page head ---------- */
.page-head{padding:32px 0 56px;border-bottom:1px solid var(--line);}
.head-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:48px;align-items:center;}
.head-eyebrow{margin-bottom:16px;}
.page-head h1{
  font-size:44px;font-weight:800;line-height:1.28;color:var(--ink-deep);margin-bottom:20px;
}
.head-lead{
  font-size:16px;line-height:1.9;color:var(--text-sub);max-width:600px;
}
.head-lead + .head-lead{margin-top:12px;}
.stat-row{display:flex;flex-wrap:wrap;gap:40px;margin-top:32px;}
.stat-item strong{
  display:block;font-size:24px;font-weight:700;color:var(--ink);line-height:1.2;
}
.stat-item span{display:block;font-size:13px;color:var(--text-sub);margin-top:6px;}
.head-media{
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-rest);position:relative;
}
.head-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.head-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(15,74,68,.18),rgba(15,74,68,0) 62%);
  pointer-events:none;
}

/* ---------- section base ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{font-size:29px;font-weight:700;margin-bottom:12px;}
.section-head p{font-size:16px;color:var(--text-sub);}

/* ---------- story cards ---------- */
.story-list{display:flex;flex-direction:column;gap:24px;}
.story-card{
  display:grid;grid-template-columns:40% 1fr;gap:0;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-rest);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.story-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--bamboo);}
.story-card.reverse{grid-template-columns:1fr 40%;}
.story-card.reverse .story-media{order:2;}
.story-card.reverse .story-body{order:1;}
.story-media{position:relative;min-height:100%;background:var(--ink-mist);}
.story-media img{width:100%;height:100%;object-fit:cover;min-height:240px;}
.story-body{padding:32px;display:flex;flex-direction:column;}
.story-body h3{font-size:20px;font-weight:600;color:var(--ink-deep);margin-bottom:12px;}
.story-body p{font-size:15px;line-height:1.85;color:var(--text-sub);}
.story-meta{
  margin-top:auto;padding-top:20px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  border-top:1px dashed var(--line);
}
.story-tags{display:flex;flex-wrap:wrap;gap:8px;}
.story-link{font-size:14px;font-weight:600;color:var(--ink-light);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.story-link i{transition:transform var(--ease);}
.story-link:hover{color:var(--ink);}
.story-link:hover i{transform:translateX(4px);}
.story-points{margin-top:16px;display:flex;flex-direction:column;gap:8px;}
.story-points li{
  position:relative;padding-left:22px;font-size:14px;line-height:1.8;color:var(--text-sub);
}
.story-points li::before{
  content:"";position:absolute;left:0;top:9px;width:10px;height:6px;
  border-left:2px solid var(--ok);border-bottom:2px solid var(--ok);transform:rotate(-45deg);
}

/* ---------- quick facts ---------- */
.fact-bar{
  display:grid;grid-template-columns:repeat(3,1fr);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-rest);overflow:hidden;
}
.fact-item{padding:28px 26px;display:flex;gap:16px;align-items:flex-start;}
.fact-item + .fact-item{border-left:1px solid var(--line);}
.fact-icon{
  flex:0 0 auto;width:40px;height:40px;border-radius:10px;background:var(--ink-mist);
  color:var(--ink);display:inline-flex;align-items:center;justify-content:center;font-size:16px;
}
.fact-item h3{font-size:16px;font-weight:600;color:var(--ink-deep);margin-bottom:6px;}
.fact-item p{font-size:14px;color:var(--text-sub);line-height:1.75;}

/* ---------- related categories ---------- */
.related-wrap{padding:56px 0 0;}
.related-title{font-size:18px;font-weight:700;margin-bottom:20px;}
.pill-links{display:flex;flex-wrap:wrap;gap:12px;}
.pill-link{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 20px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:600;color:var(--ink);transition:all var(--ease);
}
.pill-link:hover{border-color:var(--bamboo);background:var(--ink-mist);color:var(--ink-deep);transform:translateY(-1px);}
.pill-link.current{background:var(--ink);border-color:var(--ink);color:#fff;}

/* ---------- cta ---------- */
.cta-section{padding:88px 0;}
.cta-card{
  background:var(--bg);
  border:1px solid var(--line);border-radius:var(--r-xl);
  padding:48px;display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:center;
  box-shadow:var(--sh-rest);
}
.cta-card h2{font-size:28px;font-weight:700;margin-bottom:14px;}
.cta-card p{font-size:16px;color:var(--text-sub);max-width:520px;}
.cta-checks{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.cta-checks li{position:relative;padding-left:24px;font-size:14px;color:var(--text-sub);}
.cta-checks li::before{
  content:"";position:absolute;left:0;top:9px;width:11px;height:6px;
  border-left:2px solid var(--ok);border-bottom:2px solid var(--ok);transform:rotate(-45deg);
}
.cta-actions{display:flex;flex-direction:column;gap:12px;}
.cta-actions .btn{width:100%;}
.cta-note{font-size:13px;color:var(--text-sub);text-align:center;margin-top:4px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.76);border-top:1px solid rgba(255,255,255,.12);}
.footer-main{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 48px;
}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);margin-top:16px;max-width:280px;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul li + li{margin-top:10px;}
.footer-col a{
  font-size:14px;color:rgba(255,255,255,.76);display:inline-block;
  transition:color var(--ease),transform var(--ease);
}
.footer-col a:hover{color:var(--orange-light);transform:translateX(2px);}
.contact-line{font-size:14px;color:rgba(255,255,255,.76);margin-bottom:10px;}
.contact-line strong{color:#fff;font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.56);
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .head-grid{gap:36px;}
  .page-head h1{font-size:38px;}
}
@media (max-width:991.98px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-cta-top{display:none;}
  .head-grid{grid-template-columns:1fr;gap:32px;}
  .head-media img{aspect-ratio:16/9;}
  .page-head h1{font-size:34px;}
  .section{padding:64px 0;}
  .cta-section{padding:64px 0;}
  .cta-card{grid-template-columns:1fr;gap:32px;padding:32px;}
  .fact-bar{grid-template-columns:1fr;}
  .fact-item + .fact-item{border-left:0;border-top:1px solid var(--line);}
  .story-card,
  .story-card.reverse{grid-template-columns:1fr;}
  .story-card.reverse .story-media{order:0;}
  .story-card.reverse .story-body{order:0;}
  .story-media img{min-height:0;aspect-ratio:16/10;}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575.98px){
  .container{padding:0 16px;}
  .header-inner{height:64px;}
  .page-head{padding:24px 0 40px;}
  .page-head h1{font-size:28px;}
  .stat-row{gap:24px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:24px;}
  .story-body{padding:24px 20px;}
  .story-body h3{font-size:18px;}
  .cta-card{padding:24px 20px;}
  .cta-card h2{font-size:22px;}
  .footer-main{grid-template-columns:1fr;gap:32px;padding:48px 0 32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .btn{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: article */
:root{
  --primary:#0F4A44;
  --primary-dark:#093530;
  --primary-light:#1E6B62;
  --primary-mist:#EAF2EF;
  --accent:#E07A3F;
  --accent-light:#F2A46E;
  --bamboo:#7FB3A6;
  --bg:#FBF8F2;
  --bg-alt:#F1ECE1;
  --card:#FFFFFF;
  --text:#22302E;
  --muted:#5C6B68;
  --border:#E3DCCF;
  --success:#3F8F6B;
  --warning:#C4553B;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:14px;
  --radius-xl:18px;
  --shadow-1:0 6px 18px rgba(15,74,68,.08);
  --shadow-2:0 14px 34px rgba(15,74,68,.14);
  --shadow-3:0 18px 44px rgba(15,74,68,.18);
  --font: "PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary-light);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,transform .18s ease;}
a:hover{color:var(--primary);}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;letter-spacing:.02em;color:var(--text);}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(15,74,68,.28);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(251,248,242,.94);
  border-bottom:1px solid var(--border);
  transition:box-shadow .22s ease,background-color .22s ease;
}
.site-header.scrolled{
  box-shadow:var(--shadow-1);
  background:rgba(251,248,242,.86);
  backdrop-filter:saturate(140%) blur(10px);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  flex-shrink:0;
}
.brand-mark{
  display:grid;
  grid-template-columns:repeat(3,5px);
  grid-template-rows:repeat(3,5px);
  gap:3px;
  padding:4px;
  border-radius:8px;
  background:var(--primary-mist);
}
.brand-mark i{display:block;width:5px;height:5px;border-radius:2px;background:var(--primary);}
.brand-mark i:nth-child(2),
.brand-mark i:nth-child(4),
.brand-mark i:nth-child(9){background:var(--accent);}
.brand-text{
  font-size:19px;
  font-weight:800;
  color:var(--primary-dark);
  letter-spacing:.02em;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:28px;
  flex:1 1 auto;
  justify-content:center;
}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  text-decoration:none;
  padding:6px 0;
  min-height:44px;
  display:inline-flex;
  align-items:center;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:20%;
  right:20%;
  bottom:2px;
  height:2px;
  background:var(--accent);
  border-radius:2px;
  opacity:0;
  transition:opacity .18s ease;
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{opacity:1;}
.nav-link.active{color:var(--primary);font-weight:600;}
.nav-link.active::after{opacity:1;}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 28px;
  border-radius:10px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  cursor:pointer;
  text-decoration:none;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(224,122,63,.22);}
.btn-accent:hover,.btn-accent:focus{background:#cb6a31;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-accent:active{transform:translateY(0);}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary);}
.btn-outline:hover,.btn-outline:focus{background:var(--primary);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-sm{min-height:40px;padding:0 20px;font-size:14px;}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:44px;
  font-size:14px;
  font-weight:600;
  color:var(--primary-light);
  text-decoration:none;
}
.btn-link:hover{color:var(--accent);}
.btn-link .arrow{transition:transform .18s ease;}
.btn-link:hover .arrow{transform:translateX(4px);}
.menu-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:10px;
  border:1px solid var(--border);
  background:var(--card);
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  cursor:pointer;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--primary);}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(9,53,48,.42);
  opacity:0;
  visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease;
  z-index:1100;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:84vw;
  max-width:320px;
  background:var(--bg);
  z-index:1200;
  transform:translateX(104%);
  transition:transform .26s ease;
  display:flex;
  flex-direction:column;
  padding:20px 20px 28px;
  box-shadow:var(--shadow-3);
  overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--border);}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--border);
  background:var(--card);color:var(--primary);font-size:22px;line-height:1;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;margin:8px 0 20px;}
.drawer-nav a{
  display:flex;
  align-items:center;
  min-height:48px;
  font-size:15px;
  color:var(--text);
  border-bottom:1px solid var(--border);
  text-decoration:none;
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--primary);font-weight:600;}
.drawer-cta{width:100%;margin-top:auto;}
/* ---------- breadcrumb ---------- */
.page-band{background:var(--bg-alt);border-bottom:1px solid var(--border);}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:18px 0;
  font-size:13px;
  color:var(--muted);
}
.crumbs a{color:var(--muted);text-decoration:none;}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:#c6bfb1;}
.crumbs .current{color:var(--primary);font-weight:600;}
/* ---------- article ---------- */
.article-wrap{padding:48px 0 72px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:40px;
  align-items:start;
}
.article-head{padding-bottom:28px;border-bottom:1px solid var(--border);margin-bottom:36px;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  line-height:1.7;
}
.badge-mist{background:var(--primary-mist);color:var(--primary);}
.badge-accent{background:var(--accent);color:#fff;}
.badge-warm{background:rgba(242,164,110,.34);color:#8A3F13;}
.article-head h1{
  font-size:clamp(28px,3.4vw,34px);
  font-weight:800;
  line-height:1.32;
  color:var(--primary-dark);
  margin:16px 0 18px;
  max-width:820px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  font-size:14px;
  color:var(--muted);
}
.article-meta .dot{margin:0 10px;color:#c6bfb1;}
.article-content{
  max-width:760px;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
}
.article-content p{margin:0 0 1.25em;}
.article-content h2{
  font-size:24px;
  font-weight:700;
  color:var(--primary-dark);
  margin:48px 0 20px;
  padding-left:14px;
  border-left:3px solid var(--accent);
  line-height:1.4;
}
.article-content h3{
  font-size:19px;
  font-weight:700;
  color:var(--primary-dark);
  margin:32px 0 14px;
}
.article-content h4{font-size:16px;font-weight:700;margin:24px 0 10px;}
.article-content ul,.article-content ol{padding-left:1.4em;margin:0 0 1.25em;}
.article-content li{margin-bottom:8px;}
.article-content img{border-radius:12px;margin:24px 0;height:auto;}
.article-content figure{margin:24px 0;}
.article-content figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-content blockquote{
  margin:24px 0;
  padding:20px 22px;
  border-left:4px solid var(--primary);
  background:var(--primary-mist);
  border-radius:0 12px 12px 0;
  color:var(--primary-dark);
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content a{color:var(--primary-light);text-decoration:underline;text-underline-offset:3px;}
.article-content a:hover{color:var(--accent);}
.article-content table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15px;
  display:block;
  overflow-x:auto;
}
.article-content th,.article-content td{
  border-bottom:1px solid var(--border);
  padding:12px 14px;
  text-align:left;
  vertical-align:top;
}
.article-content th{background:var(--primary-mist);color:var(--primary-dark);font-weight:600;white-space:nowrap;}
.article-content strong{color:var(--primary-dark);}
.article-content hr{border:0;border-top:1px solid var(--border);margin:36px 0;}
/* ---------- sidebar ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--primary-mist);
  border-radius:var(--radius-lg);
  padding:24px;
}
.side-card .side-label{
  display:inline-flex;
  align-items:center;
  padding:3px 10px;
  border-radius:999px;
  background:rgba(255,255,255,.72);
  color:var(--primary);
  font-size:12px;
  font-weight:600;
  margin-bottom:12px;
}
.side-card h3{font-size:16px;font-weight:700;color:var(--primary-dark);margin-bottom:10px;}
.side-card p{font-size:14px;line-height:1.8;color:var(--muted);}
.side-links{list-style:none;padding:0;margin:0;}
.side-links li+li{border-top:1px solid rgba(15,74,68,.12);}
.side-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:12px 0;
  font-size:14px;
  line-height:1.7;
  color:var(--text);
  text-decoration:none;
}
.side-links a:hover{color:var(--primary);}
.side-links a .tag{font-size:12px;color:var(--muted);flex-shrink:0;}
.side-return{width:100%;justify-content:center;}
/* ---------- post nav ---------- */
.post-nav{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
  margin-top:48px;
  padding-top:32px;
  border-top:1px solid var(--border);
}
.post-nav a{
  display:block;
  padding:18px 20px;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  background:var(--card);
  text-decoration:none;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.post-nav a:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--bamboo);}
.post-nav .pn-dir{display:block;font-size:12px;color:var(--muted);margin-bottom:6px;}
.post-nav .pn-title{display:block;font-size:15px;font-weight:600;color:var(--primary-dark);line-height:1.6;}
.post-nav .pn-next{text-align:right;}
/* ---------- related ---------- */
.section{padding:72px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(24px,2.6vw,28px);font-weight:700;color:var(--primary-dark);}
.section-head p{font-size:15px;color:var(--muted);margin-top:10px;max-width:640px;}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--bamboo);}
.card-thumb{position:relative;overflow:hidden;background:var(--primary-mist);}
.card-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .28s ease;}
.card:hover .card-thumb img{transform:scale(1.02);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:18px;font-weight:600;color:var(--primary-dark);line-height:1.5;}
.card-body p{font-size:14px;line-height:1.8;color:var(--muted);}
.card-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
  padding-top:6px;
  font-size:13px;
  color:var(--muted);
}
.card-foot .arrow{color:var(--primary-light);transition:transform .18s ease;}
.card:hover .card-foot .arrow{transform:translateX(4px);}
/* ---------- cta ---------- */
.cta-card{
  display:grid;
  grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);
  gap:32px;
  align-items:center;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-xl);
  padding:48px;
  box-shadow:var(--shadow-1);
}
.cta-card h2{font-size:clamp(24px,2.6vw,28px);color:var(--primary-dark);margin-bottom:14px;}
.cta-card p{font-size:15px;color:var(--muted);line-height:1.85;max-width:520px;}
.cta-list{list-style:none;display:flex;flex-direction:column;gap:10px;margin-top:20px;}
.cta-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text);}
.cta-list li::before{
  content:"";
  flex-shrink:0;
  width:16px;
  height:16px;
  margin-top:5px;
  border-radius:50%;
  background:var(--primary-mist);
  border:2px solid var(--primary);
  box-shadow:inset 0 0 0 3px #fff;
}
.cta-actions{display:flex;flex-direction:column;gap:12px;}
.cta-actions .btn{width:100%;}
.cta-note{font-size:12px;color:var(--muted);line-height:1.7;}
/* ---------- empty ---------- */
.empty-state{
  border:1px dashed var(--border);
  border-radius:var(--radius-lg);
  min-height:220px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  gap:10px;
  padding:32px;
  background:var(--card);
}
.empty-state .empty-icon{
  width:44px;height:44px;border-radius:50%;
  border:2px solid var(--bamboo);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);font-size:20px;font-weight:700;
}
.empty-state strong{font-size:16px;color:var(--primary-dark);}
.empty-state span{font-size:13px;color:var(--muted);max-width:420px;}
/* ---------- footer ---------- */
.site-footer{
  background:var(--primary-dark);
  color:rgba(255,255,255,.76);
  border-top:1px solid rgba(255,255,255,.12);
  padding:64px 0 0;
  margin-top:8px;
}
.footer-main{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.site-footer .brand-text{color:#fff;}
.site-footer .brand-mark{background:rgba(255,255,255,.12);}
.site-footer .brand-mark i{background:rgba(255,255,255,.8);}
.site-footer .brand-mark i:nth-child(2),
.site-footer .brand-mark i:nth-child(4),
.site-footer .brand-mark i:nth-child(9){background:var(--accent-light);}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.62);
  max-width:320px;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{
  font-size:14px;
  color:rgba(255,255,255,.76);
  text-decoration:none;
  display:inline-block;
  transition:color .18s ease,transform .18s ease;
}
.footer-col ul a:hover{color:var(--accent-light);transform:translateX(2px);}
.contact-line{font-size:14px;color:rgba(255,255,255,.7);margin-bottom:10px;line-height:1.8;}
.contact-line strong{color:#fff;font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.56);
}
/* ---------- responsive ---------- */
@media (max-width:1199px){
  .main-nav{gap:20px;}
  .nav-link{font-size:14.5px;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-actions .btn-accent{display:none;}
  .header-inner{min-height:64px;}
  .article-layout{grid-template-columns:1fr;gap:32px;}
  .article-side{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-card{grid-template-columns:1fr;padding:36px;}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:56px 0;}
  .article-wrap{padding:36px 0 56px;}
}
@media (max-width:767px){
  .container{padding-left:16px;padding-right:16px;}
  .card-grid{grid-template-columns:1fr;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav .pn-next{text-align:left;}
  .article-content{font-size:15.5px;}
  .article-content h2{font-size:21px;margin-top:36px;}
  .article-content h3{font-size:18px;}
  .footer-main{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-card{padding:28px;}
  .section{padding:48px 0;}
}
@media (max-width:520px){
  .article-head h1{font-size:26px;}
  .article-meta{font-size:13px;}
  .article-meta .dot{margin:0 6px;}
  .side-card{padding:20px;}
  .btn{padding:0 20px;font-size:14px;}
}

/* roulang page: category2 */
:root{
  --ink:#0F4A44;
  --ink-deep:#093530;
  --ink-light:#1E6B62;
  --ink-mist:#EAF2EF;
  --orange:#E07A3F;
  --orange-light:#F2A46E;
  --bamboo:#7FB3A6;
  --paper:#FBF8F2;
  --paper-2:#F1ECE1;
  --card:#FFFFFF;
  --text:#22302E;
  --text-2:#5C6B68;
  --line:#E3DCCF;
  --success:#3F8F6B;
  --warn:#C4553B;
  --r-s:8px;
  --r-m:12px;
  --r-l:14px;
  --r-xl:18px;
  --sh-1:0 6px 18px rgba(15,74,68,.08);
  --sh-2:0 14px 34px rgba(15,74,68,.14);
  --sh-3:0 18px 44px rgba(15,74,68,.18);
  --bs-body-font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--ink-light);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--ink);}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(30,107,98,.35);outline-offset:2px;border-radius:4px;}

.shell{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:background .22s ease,box-shadow .22s ease;
}
.site-header.scrolled{
  background:rgba(251,248,242,.94);
  backdrop-filter:blur(10px);
  box-shadow:var(--sh-1);
}
.nav-shell{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink-deep);
}
.brand:hover{color:var(--ink-deep);}
.brand-mark{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  grid-template-rows:repeat(3,1fr);
  gap:2px;
  width:20px;
  height:20px;
}
.brand-mark i{display:block;background:var(--ink);border-radius:1.5px;}
.brand-text{
  font-size:19px;
  font-weight:800;
  letter-spacing:.02em;
  line-height:1;
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:20%;
  right:20%;
  bottom:8px;
  height:2px;
  border-radius:2px;
  background:var(--orange);
  opacity:0;
  transition:opacity .18s ease;
}
.nav-link:hover{color:var(--ink-light);}
.nav-link:hover::after{opacity:1;}
.nav-link.active{color:var(--ink);font-weight:600;}
.nav-link.active::after{opacity:1;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.btn-cta-sm{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:40px;
  padding:0 18px;
  border-radius:10px;
  background:var(--orange);
  color:#fff;
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-cta-sm:hover{background:#C8642C;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-cta-sm:active{transform:translateY(0);background:#B45726;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  cursor:pointer;
}
.nav-toggle span{
  position:relative;
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--ink);
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;
  inset:0;
  z-index:70;
  background:rgba(9,53,48,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity .26s ease,visibility .26s ease;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  z-index:80;
  width:84vw;
  max-width:320px;
  height:100%;
  padding:20px 20px 28px;
  background:var(--paper);
  transform:translateX(102%);
  transition:transform .28s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
  box-shadow:var(--sh-3);
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:16px;
}
.drawer-close{
  width:44px;
  height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  font-size:20px;
  line-height:1;
  color:var(--ink);
  cursor:pointer;
}
.drawer-close:hover{background:var(--ink-mist);}
.drawer-link{
  display:flex;
  align-items:center;
  height:48px;
  padding:0 4px;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:var(--text);
}
.drawer-link:hover{color:var(--ink-light);}
.drawer-link.active{color:var(--ink);font-weight:600;}
.drawer-cta{
  display:flex;
  align-items:center;
  justify-content:center;
  height:44px;
  margin-top:24px;
  border-radius:10px;
  background:var(--orange);
  color:#fff;
  font-size:15px;
  font-weight:600;
}
.drawer-cta:hover{background:#C8642C;color:#fff;}

/* ---------- 面包屑 ---------- */
.crumbs{
  padding:22px 0 0;
  font-size:13px;
  color:var(--text-2);
}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--ink-light);}
.crumbs .sep{margin:0 8px;color:var(--bamboo);}
.crumbs .here{color:var(--ink);font-weight:600;}

/* ---------- 页头 ---------- */
.page-head{padding:28px 0 64px;}
.page-head-grid{
  display:grid;
  grid-template-columns:1.18fr .82fr;
  gap:48px;
  align-items:center;
}
.tag-soft{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  background:var(--ink-mist);
  color:var(--ink);
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
}
.page-title{
  margin:18px 0 16px;
  font-size:clamp(26px,3.4vw,34px);
  font-weight:800;
  line-height:1.32;
  color:var(--ink-deep);
  letter-spacing:.01em;
  max-width:16em;
}
.page-lead{
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
  max-width:620px;
}
.head-stats{
  display:flex;
  flex-wrap:wrap;
  gap:36px;
  margin-top:28px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.head-stat b{
  display:block;
  font-size:24px;
  font-weight:700;
  line-height:1.3;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.head-stat span{font-size:13px;color:var(--text-2);}
.page-visual{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  aspect-ratio:4/3;
  box-shadow:var(--sh-1);
  background:var(--ink-mist);
}
.page-visual img{width:100%;height:100%;object-fit:cover;}
.page-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(165deg,rgba(15,74,68,.32),rgba(15,74,68,0) 62%);
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section-alt{background:var(--paper-2);}
.section-mist{background:var(--ink-mist);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{
  margin:12px 0 12px;
  font-size:clamp(22px,2.7vw,29px);
  font-weight:700;
  line-height:1.32;
  color:var(--ink-deep);
}
.section-head p{font-size:16px;line-height:1.85;color:var(--text-2);}

/* ---------- 时间线 ---------- */
.timeline{
  position:relative;
  padding-left:56px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:19px;
  top:10px;
  bottom:10px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--ink-mist),var(--bamboo));
}
.tl-item{position:relative;padding-bottom:32px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;
  left:-56px;
  top:2px;
  width:40px;
  height:40px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--bamboo);
  font-size:13px;
  font-weight:700;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
  letter-spacing:0;
}
.tl-item:hover .tl-dot{border-color:var(--orange);color:var(--orange);}
.tl-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:24px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6CDBC;}
.tl-card h3{
  font-size:20px;
  font-weight:600;
  line-height:1.4;
  color:var(--ink-deep);
  margin-bottom:10px;
}
.tl-card p{font-size:15px;line-height:1.8;color:var(--text-2);margin-bottom:14px;}
.tl-points{display:grid;gap:8px;}
.tl-points li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  line-height:1.75;
  color:var(--text);
}
.tl-points li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--orange);
}

/* ---------- 内容构成 ---------- */
.compose-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:48px;
  align-items:center;
}
.compose-visual{
  border-radius:var(--r-l);
  overflow:hidden;
  aspect-ratio:4/3;
  box-shadow:var(--sh-1);
}
.compose-visual img{width:100%;height:100%;object-fit:cover;}
.compose-list{display:grid;}
.compose-item{
  display:flex;
  gap:16px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
}
.compose-item:first-child{padding-top:0;}
.compose-item:last-child{border-bottom:0;padding-bottom:0;}
.compose-idx{
  flex:0 0 36px;
  width:36px;
  height:36px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  background:var(--ink-mist);
  color:var(--ink);
  font-size:13px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.compose-item h3{font-size:18px;font-weight:600;color:var(--ink-deep);margin-bottom:6px;line-height:1.45;}
.compose-item p{font-size:14.5px;line-height:1.8;color:var(--text-2);}

/* ---------- 深色节奏带 ---------- */
.dark-band{
  position:relative;
  padding:88px 0;
  background:var(--ink-deep) url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.dark-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(9,53,48,.94),rgba(9,53,48,.86));
}
.dark-band .shell{position:relative;z-index:1;}
.dark-band .section-head h2{color:#fff;}
.dark-band .section-head p{color:rgba(255,255,255,.78);}
.band-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:32px;
}
.band-cell{
  padding:26px 24px;
  border-radius:var(--r-l);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  transition:background .2s ease,transform .2s ease;
}
.band-cell:hover{background:rgba(255,255,255,.1);transform:translateY(-2px);}
.band-cell b{
  display:block;
  font-size:30px;
  font-weight:700;
  line-height:1.25;
  color:#fff;
  font-variant-numeric:tabular-nums;
}
.band-cell b em{font-style:normal;font-size:15px;font-weight:500;color:var(--orange-light);margin-left:6px;}
.band-cell span{display:block;margin-top:8px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.78);}

/* ---------- FAQ ---------- */
.faq-grid{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:48px;
  align-items:start;
}
.faq-aside{position:sticky;top:96px;}
.faq-aside h2{
  margin:12px 0 12px;
  font-size:clamp(22px,2.6vw,28px);
  font-weight:700;
  line-height:1.32;
  color:var(--ink-deep);
}
.faq-aside p{font-size:15px;line-height:1.85;color:var(--text-2);margin-bottom:16px;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--ink-light);
}
.link-arrow::after{content:"↓";font-size:13px;transition:transform .18s ease;}
.link-arrow:hover::after{transform:translateY(2px);}
.faq-item{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  margin-bottom:12px;
  overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--sh-1);}
.faq-item.open{border-color:#D6CDBC;box-shadow:var(--sh-1);}
.faq-q{
  position:relative;
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:56px;
  padding:16px 20px;
  border:0;
  background:none;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  color:var(--ink-deep);
  text-align:left;
  cursor:pointer;
  transition:color .18s ease;
}
.faq-q::before{
  content:"";
  position:absolute;
  left:0;
  top:14px;
  bottom:14px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--orange);
  opacity:0;
  transition:opacity .18s ease;
}
.faq-item.open .faq-q{color:var(--ink);}
.faq-item.open .faq-q::before{opacity:1;}
.faq-icon{
  position:relative;
  flex:0 0 16px;
  width:16px;
  height:16px;
  transition:transform .25s ease;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--ink);
  border-radius:2px;
  transition:background .18s ease;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-item.open .faq-icon::before,
.faq-item.open .faq-icon::after{background:var(--orange);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ---------- 相关分类胶囊 ---------- */
.cat-pills{display:flex;flex-wrap:wrap;gap:12px;}
.cat-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
  font-size:14px;
  font-weight:500;
  transition:border-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.cat-pill:hover{
  border-color:var(--bamboo);
  color:var(--ink);
  transform:translateY(-2px);
  box-shadow:var(--sh-1);
}
.cat-pill.current{
  background:var(--ink);
  border-color:var(--ink);
  color:#fff;
  font-weight:600;
}
.cat-pill.current:hover{transform:none;box-shadow:none;color:#fff;}

/* ---------- 按钮 ---------- */
.btn{
  --bs-btn-border-radius:10px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:11px 28px;
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  letter-spacing:.02em;
  border:1px solid transparent;
  border-radius:10px;
  transition:background .18s ease,border-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-brand{
  background:var(--orange);
  border-color:var(--orange);
  color:#fff;
}
.btn-brand:hover,
.btn-brand:focus{
  background:#C8642C;
  border-color:#C8642C;
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--sh-1);
}
.btn-brand:active{background:#B45726;border-color:#B45726;transform:translateY(0);box-shadow:none;}
.btn-outline-brand{
  background:transparent;
  border-color:var(--ink);
  color:var(--ink);
}
.btn-outline-brand:hover,
.btn-outline-brand:focus{
  background:var(--ink);
  border-color:var(--ink);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--sh-1);
}
.btn-outline-brand:active{background:var(--ink-deep);border-color:var(--ink-deep);transform:translateY(0);box-shadow:none;}

/* ---------- 收尾 CTA ---------- */
.cta-box{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:40px;
  align-items:center;
  padding:48px;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
}
.cta-box h2{
  font-size:clamp(22px,2.7vw,28px);
  font-weight:700;
  line-height:1.35;
  color:var(--ink-deep);
  margin-bottom:12px;
}
.cta-box p{font-size:16px;line-height:1.85;color:var(--text-2);margin-bottom:20px;}
.cta-checks{display:grid;gap:10px;}
.cta-checks li{
  position:relative;
  padding-left:26px;
  font-size:15px;
  line-height:1.7;
  color:var(--text);
}
.cta-checks li::before{
  content:"✓";
  position:absolute;
  left:0;
  top:0;
  font-size:14px;
  font-weight:700;
  color:var(--success);
}
.cta-actions{display:grid;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-deep);
  color:#fff;
  padding:64px 0 0;
  border-top:1px solid rgba(255,255,255,.12);
}
.footer-main{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{color:#fff;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-mark i{background:#fff;}
.footer-brand p{
  margin-top:16px;
  max-width:290px;
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.76);
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  display:inline-block;
  font-size:14px;
  color:rgba(255,255,255,.76);
  transition:color .18s ease,transform .18s ease;
}
.footer-col a:hover{color:var(--orange-light);transform:translateX(-2px);}
.contact-line{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.76);
  margin-bottom:10px;
}
.contact-line strong{color:#fff;font-weight:600;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding:20px 0;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.56);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .main-nav{gap:22px;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-shell{justify-content:space-between;gap:16px;}
  .section{padding:60px 0;}
  .page-head{padding:20px 0 44px;}
  .page-head-grid{grid-template-columns:1fr;gap:28px;}
  .page-visual{aspect-ratio:16/9;max-width:560px;}
  .compose-grid{grid-template-columns:1fr;gap:32px;}
  .band-grid{grid-template-columns:1fr;gap:16px;}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .faq-aside{position:static;}
  .cta-box{grid-template-columns:1fr;padding:32px;gap:28px;}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;}
  .dark-band{padding:60px 0;}
}
@media (max-width:767px){
  .brand-text{font-size:17px;}
  .head-stats{gap:24px;}
  .head-stat b{font-size:22px;}
  .footer-main{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-actions .btn{width:100%;}
}
@media (max-width:575px){
  .shell{padding:0 16px;}
  .page-title{font-size:26px;}
  .page-lead{font-size:15.5px;}
  .timeline{padding-left:44px;}
  .timeline::before{left:15px;}
  .tl-dot{left:-44px;width:32px;height:32px;font-size:12px;}
  .tl-card{padding:20px 18px;}
  .cta-box{padding:26px 20px;}
  .section{padding:52px 0;}
  .cat-pill{font-size:13.5px;padding:0 16px;}
}

/* roulang page: category3 */
:root{
  --ink:#0F4A44;
  --ink-deep:#093530;
  --ink-mid:#1E6B62;
  --mist:#EAF2EF;
  --accent:#E07A3F;
  --accent-soft:#F2A46E;
  --accent-deep:#D06A31;
  --bamboo:#7FB3A6;
  --paper:#FBF8F2;
  --paper-2:#F1ECE1;
  --card:#FFFFFF;
  --text:#22302E;
  --text-2:#5C6B68;
  --line:#E3DCCF;
  --ok:#3F8F6B;
  --warn:#C4553B;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(15,74,68,.08);
  --sh-2:0 14px 34px rgba(15,74,68,.14);
  --sh-3:0 18px 44px rgba(15,74,68,.18);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink-mid);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--ink);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{color:var(--ink-deep);line-height:1.3;margin:0;letter-spacing:.02em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
.container,
.container-fluid{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
::selection{background:rgba(224,122,63,.22);color:var(--ink-deep);}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 26px;
  border-radius:10px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.03em;
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:focus-visible{outline:3px solid rgba(15,74,68,.28);outline-offset:2px;}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(224,122,63,.22);}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(224,122,63,.28);}
.btn-accent:active{transform:translateY(0);background:#BE5F2A;}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.btn-outline:active{background:var(--ink-deep);color:#fff;transform:translateY(0);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{display:flex;width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--ink-mid);font-size:14px;font-weight:600;
}
.link-arrow::after{content:"›";font-size:17px;line-height:1;transition:transform .18s ease;}
.link-arrow:hover{color:var(--accent-deep);}
.link-arrow:hover::after{transform:translateX(4px);}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 14px;
  border-radius:var(--r-pill);
  background:var(--mist);
  color:var(--ink);
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
}
.badge-soft{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--mist);color:var(--ink-deep);
  font-size:12px;font-weight:600;
}
.badge-accent{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--accent);color:#fff;
  font-size:12px;font-weight:600;
}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.sec-head{max-width:760px;margin-bottom:32px;}
.sec-head h2{font-size:28px;font-weight:700;margin-bottom:12px;}
.sec-head p{color:var(--text-2);font-size:16px;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(251,248,242,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease,background-color .22s ease;
}
.site-header.is-scrolled{
  background:rgba(251,248,242,.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:var(--sh-1);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:24px;
}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;}
.brand-mark{
  display:grid;
  grid-template-columns:repeat(3,4px);
  grid-template-rows:repeat(3,4px);
  gap:2px;
}
.brand-mark i{display:block;width:4px;height:4px;border-radius:1px;background:var(--ink);}
.brand-mark i:nth-child(2),
.brand-mark i:nth-child(4),
.brand-mark i:nth-child(9){background:var(--accent);}
.brand-text{
  font-size:19px;font-weight:800;color:var(--ink-deep);letter-spacing:.02em;line-height:1;
}
.main-nav{display:flex;align-items:center;gap:28px;}
.main-nav .nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  text-decoration:none;
  white-space:nowrap;
  transition:color .18s ease;
}
.main-nav .nav-link::after{
  content:"";
  position:absolute;left:50%;bottom:-1px;
  width:60%;height:2px;border-radius:2px;
  background:var(--accent);
  transform:translateX(-50%);
  opacity:0;
  transition:opacity .18s ease;
}
.main-nav .nav-link:hover{color:var(--ink);}
.main-nav .nav-link:hover::after{opacity:1;}
.main-nav .nav-link.active{color:var(--ink);}
.main-nav .nav-link.active::after{opacity:1;}
.main-nav .nav-link:focus-visible{outline:3px solid rgba(15,74,68,.24);outline-offset:4px;border-radius:4px;}
.header-cta{display:flex;align-items:center;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  padding:0;
  align-items:center;justify-content:center;
  flex-direction:column;gap:4px;
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);}
.nav-toggle:focus-visible{outline:3px solid rgba(15,74,68,.28);outline-offset:2px;}
.drawer-mask{
  position:fixed;inset:0;z-index:1040;
  background:rgba(9,53,48,.42);
  opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:1050;
  width:84vw;max-width:320px;
  background:var(--paper);
  border-left:1px solid var(--line);
  box-shadow:var(--sh-3);
  transform:translateX(100%);
  transition:transform .26s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;
  padding:18px 20px 28px;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;
  color:var(--ink);font-size:20px;line-height:1;cursor:pointer;
}
.drawer-close:focus-visible{outline:3px solid rgba(15,74,68,.28);outline-offset:2px;}
.drawer-nav{display:flex;flex-direction:column;margin:8px 0 24px;}
.drawer-nav a{
  display:flex;align-items:center;
  min-height:48px;
  border-bottom:1px solid var(--line);
  font-size:15px;color:var(--text);font-weight:500;
}
.drawer-nav a.active{color:var(--ink);font-weight:700;}
.drawer-nav a:focus-visible{outline:3px solid rgba(15,74,68,.24);outline-offset:-4px;}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{padding:20px 0 0;font-size:13px;color:var(--text-2);}
.breadcrumb-bar ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb-bar li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb-bar li+li::before{content:"·";color:var(--bamboo);font-weight:700;}
.breadcrumb-bar a{color:var(--text-2);}
.breadcrumb-bar a:hover{color:var(--ink-mid);}
.breadcrumb-bar .current{color:var(--ink);font-weight:600;}

/* ---------- 页头 ---------- */
.page-hero{
  padding:28px 0 72px;
  background:linear-gradient(180deg,#F3F8F5 0%,var(--paper) 82%);
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:56px;align-items:center;}
.hero-copy .tag{margin-bottom:20px;}
.hero-copy h1{
  font-size:40px;
  font-weight:800;
  line-height:1.28;
  margin-bottom:18px;
  color:var(--ink-deep);
}
.hero-copy h1 em{font-style:normal;color:var(--accent-deep);}
.hero-lead{
  font-size:17px;
  line-height:1.85;
  color:var(--text-2);
  max-width:560px;
  margin-bottom:30px;
}
.hero-stats{
  display:flex;flex-wrap:wrap;
  gap:0;
  border-top:1px solid var(--line);
  padding-top:24px;
  max-width:580px;
}
.hero-stats .stat{
  flex:1 1 0;
  min-width:120px;
  padding-right:20px;
}
.hero-stats .stat+.stat{border-left:1px solid var(--line);padding-left:20px;}
.hero-stats b{
  display:block;
  font-size:24px;font-weight:700;color:var(--ink);
  line-height:1.25;
  margin-bottom:4px;
}
.hero-stats span{display:block;font-size:13px;color:var(--text-2);line-height:1.6;}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:14px;
  box-shadow:var(--sh-2);
}
.hero-figure::after{
  content:"";
  position:absolute;inset:0;
  border-radius:14px;
  background:linear-gradient(160deg,rgba(15,74,68,.18) 0%,rgba(15,74,68,0) 62%);
  pointer-events:none;
}
.hero-dots{
  position:absolute;right:-10px;bottom:-10px;
  display:grid;grid-template-columns:repeat(3,6px);gap:6px;
}
.hero-dots i{width:6px;height:6px;border-radius:50%;background:rgba(15,74,68,.12);}

/* ---------- 对比表 ---------- */
.cmp-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  box-shadow:var(--sh-1);
  scrollbar-width:thin;
  scrollbar-color:var(--bamboo) transparent;
}
.cmp-wrap::-webkit-scrollbar{height:8px;}
.cmp-wrap::-webkit-scrollbar-track{background:transparent;}
.cmp-wrap::-webkit-scrollbar-thumb{background:rgba(127,179,166,.65);border-radius:8px;}
.cmp-table{
  width:100%;
  min-width:780px;
  border-collapse:collapse;
  font-size:14px;
}
.cmp-table th,
.cmp-table td{
  padding:16px 18px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:middle;
}
.cmp-table thead th{
  background:var(--mist);
  color:var(--ink-deep);
  font-weight:600;
  font-size:13px;
  letter-spacing:.04em;
  white-space:nowrap;
}
.cmp-table thead th .lv{display:block;font-size:15px;font-weight:700;color:var(--ink);margin-bottom:2px;}
.cmp-table thead th .price{display:block;font-size:12px;font-weight:500;color:var(--text-2);}
.cmp-table thead th .badge-accent{margin-top:6px;}
.cmp-table thead th.is-top{background:#FFF7EF;box-shadow:inset 0 6px 0 0 var(--accent-soft);}
.cmp-table tbody th{
  font-weight:600;
  color:var(--ink-deep);
  background:#fff;
  font-size:14px;
  white-space:nowrap;
}
.cmp-table tbody td{color:var(--text-2);}
.cmp-table tbody td.is-top{background:#FFFBF7;color:var(--text);font-weight:600;}
.cmp-table tbody tr:hover td,
.cmp-table tbody tr:hover th{background:var(--paper);}
.cmp-table tbody tr:hover td.is-top{background:#FFF7EF;}
.cmp-table tbody tr:last-child td,
.cmp-table tbody tr:last-child th{border-bottom:0;}
.cmp-table th:first-child,
.cmp-table td:first-child{
  position:sticky;left:0;z-index:2;
  box-shadow:1px 0 0 var(--line);
  min-width:150px;
}
.cmp-foot{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:16px;font-size:13px;color:var(--text-2);
}

/* ---------- 勾选清单 ---------- */
.check-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
}
.check-item{
  display:flex;align-items:flex-start;gap:12px;
  padding:16px 18px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  font-size:15px;
  line-height:1.7;
  color:var(--text);
  transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.check-item:hover{box-shadow:var(--sh-1);transform:translateY(-2px);border-color:rgba(127,179,166,.7);}
.check-item svg{flex:0 0 20px;width:20px;height:20px;margin-top:4px;}
.check-item span{display:block;}
.check-item strong{display:block;font-weight:600;color:var(--ink-deep);font-size:15px;margin-bottom:2px;}
.check-item em{font-style:normal;font-size:13px;color:var(--text-2);line-height:1.7;}

.side-figure{
  position:relative;
  height:100%;
  border-radius:16px;
  overflow:hidden;
  box-shadow:var(--sh-1);
  min-height:340px;
}
.side-figure img{
  width:100%;height:100%;
  object-fit:cover;
  border-radius:16px;
  transition:transform .3s ease;
}
.side-figure:hover img{transform:scale(1.02);}
.side-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:20px;
  background:linear-gradient(180deg,rgba(9,53,48,0) 0%,rgba(9,53,48,.86) 100%);
  color:#fff;
  font-size:14px;
  line-height:1.7;
}
.side-figure figcaption b{display:block;font-size:16px;font-weight:700;margin-bottom:4px;}

/* ---------- 流程卡 ---------- */
.step-card{
  height:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:28px 24px;
  transition:box-shadow .2s ease,transform .2s ease;
}
.step-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.step-no{
  display:block;
  font-size:32px;
  font-weight:800;
  letter-spacing:.04em;
  color:var(--line);
  line-height:1;
  margin-bottom:16px;
}
.step-card h3{font-size:18px;font-weight:600;margin-bottom:10px;}
.step-card p{font-size:14px;color:var(--text-2);line-height:1.8;}
.step-line{
  display:inline-block;
  width:36px;height:3px;border-radius:3px;
  background:var(--accent-soft);
  margin-bottom:16px;
}

/* ---------- FAQ ---------- */
.faq-section{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.faq-aside{position:sticky;top:104px;}
.faq-aside h2{font-size:28px;font-weight:700;margin:16px 0 12px;}
.faq-aside p{font-size:15px;color:var(--text-2);margin-bottom:20px;max-width:260px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
  transition:box-shadow .18s ease;
}
.faq-item:hover{box-shadow:var(--sh-1);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;
  min-height:56px;
  padding:16px 20px;
  background:transparent;
  border:0;
  border-left:3px solid transparent;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink-deep);
  cursor:pointer;
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.faq-q:hover{background:rgba(234,242,239,.5);}
.faq-q:focus-visible{outline:3px solid rgba(15,74,68,.28);outline-offset:-3px;}
.faq-q[aria-expanded="true"]{
  color:var(--ink);
  border-left-color:var(--accent);
  background:rgba(234,242,239,.55);
}
.faq-icon{
  position:relative;
  flex:0 0 16px;
  width:16px;height:16px;
  transition:transform .22s ease;
}
.faq-icon::before,
.faq-icon::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg);}
.faq-a{
  display:none;
  padding:0 20px 20px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}
.faq-a.is-open{display:block;}

/* ---------- 相关分类 ---------- */
.rel-pills{display:flex;flex-wrap:wrap;gap:12px;}
.rel-pills a{
  display:inline-flex;align-items:center;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
  font-size:14px;
  font-weight:600;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.rel-pills a:hover{
  border-color:var(--ink-mid);
  color:var(--ink);
  transform:translateY(-2px);
  box-shadow:var(--sh-1);
}
.rel-pills a.current{
  background:var(--ink);
  border-color:var(--ink);
  color:#fff;
}
.rel-pills a:focus-visible{outline:3px solid rgba(15,74,68,.28);outline-offset:2px;}

/* ---------- CTA ---------- */
.cta-band{
  display:grid;
  grid-template-columns:1.5fr 1fr;
  gap:40px;
  align-items:center;
  background:linear-gradient(135deg,#F4FAF7 0%,var(--paper) 55%,#FDF3EA 100%);
  border:1px solid var(--line);
  border-radius:18px;
  padding:48px;
  box-shadow:var(--sh-1);
}
.cta-band h2{font-size:28px;font-weight:700;margin-bottom:12px;}
.cta-band p{font-size:15px;color:var(--text-2);margin-bottom:20px;max-width:520px;}
.cta-points{display:flex;flex-wrap:wrap;gap:14px 24px;}
.cta-points li{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--ink-deep);font-weight:500;
}
.cta-points svg{width:16px;height:16px;flex:0 0 16px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-deep);
  color:rgba(255,255,255,.78);
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:0;
  padding:64px 0 0;
}
.footer-main{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-mark i{background:rgba(255,255,255,.82);}
.footer-brand .brand-mark i:nth-child(2),
.footer-brand .brand-mark i:nth-child(4),
.footer-brand .brand-mark i:nth-child(9){background:var(--accent-soft);}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.76);max-width:280px;}
.footer-col h4{
  font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li a{
  display:inline-block;
  font-size:14px;
  color:rgba(255,255,255,.76);
  transition:color .18s ease,transform .18s ease;
}
.footer-col li a:hover{color:var(--accent-soft);transform:translateX(2px);}
.footer-col li a:focus-visible{outline:2px solid var(--accent-soft);outline-offset:3px;border-radius:2px;}
.contact-line{font-size:14px;line-height:1.8;color:rgba(255,255,255,.76);margin-bottom:8px;}
.contact-line strong{color:#fff;font-weight:600;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:20px 0;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.56);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hero-copy h1{font-size:34px;}
  .footer-main{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:991.98px){
  .main-nav,.header-cta{display:none;}
  .nav-toggle{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-figure{order:-1;}
  .hero-figure img{aspect-ratio:16/9;max-height:260px;}
  .page-hero{padding:20px 0 56px;}
  .section{padding:64px 0;}
  .faq-aside{position:static;margin-bottom:24px;}
  .faq-aside p{max-width:none;}
  .cta-band{grid-template-columns:1fr;gap:28px;padding:36px 28px;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;}
  .cta-actions .btn{flex:1 1 180px;}
  .side-figure{min-height:280px;}
}
@media (max-width:767.98px){
  .container,.container-fluid{padding-left:16px;padding-right:16px;}
  .hero-copy h1{font-size:28px;}
  .hero-lead{font-size:15.5px;}
  .sec-head h2{font-size:23px;}
  .faq-aside h2{font-size:23px;}
  .cta-band h2{font-size:23px;}
  .check-grid{grid-template-columns:1fr;}
  .hero-stats .stat{padding-right:12px;}
  .hero-stats .stat+.stat{padding-left:12px;}
  .hero-stats b{font-size:20px;}
  .footer-main{grid-template-columns:1fr;gap:32px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
  .cmp-table th,.cmp-table td{padding:14px 14px;}
  .cta-actions{flex-direction:column;}
  .rel-pills a{padding:0 18px;font-size:13px;}
}
@media (max-width:575.98px){
  .hero-copy h1{font-size:26px;}
  .hero-figure img{max-height:200px;}
  .btn{width:100%;}
  .cta-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category4 */
:root{
  --ink:#0F4A44;
  --ink-deep:#093530;
  --ink-light:#1E6B62;
  --ink-mist:#EAF2EF;
  --orange:#E07A3F;
  --orange-light:#F2A46E;
  --bamboo:#7FB3A6;
  --paper:#FBF8F2;
  --paper-2:#F1ECE1;
  --card:#FFFFFF;
  --text:#22302E;
  --muted:#5C6B68;
  --line:#E3DCCF;
  --warn:#C4553B;
  --ok:#3F8F6B;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:14px;
  --radius-xl:18px;
  --shadow-1:0 6px 18px rgba(15,74,68,.08);
  --shadow-2:0 14px 34px rgba(15,74,68,.14);
  --shadow-3:0 18px 44px rgba(15,74,68,.18);
  --ease:180ms cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink-light);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--ink);}
h1,h2,h3,h4,h5{margin:0;line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(15,74,68,.35);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(251,248,242,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);background:rgba(251,248,242,.88);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:2.5px;
  width:26px;
  height:26px;
}
.brand-mark i{
  display:block;
  width:100%;
  height:100%;
  border-radius:2px;
  background:var(--ink);
  opacity:.92;
}
.brand-mark i:nth-child(2),
.brand-mark i:nth-child(4),
.brand-mark i:nth-child(6),
.brand-mark i:nth-child(8){opacity:.42;}
.brand-mark i:nth-child(9){background:var(--orange);opacity:1;}
.brand-text{
  font-size:19px;
  font-weight:800;
  color:var(--ink-deep);
  letter-spacing:.04em;
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  white-space:nowrap;
  transition:color var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:0;
  width:60%;
  height:2px;
  background:var(--orange);
  border-radius:2px;
  transform:translateX(-50%) scaleX(0);
  transform-origin:center;
  opacity:0;
  transition:opacity var(--ease),transform var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{opacity:1;transform:translateX(-50%) scaleX(1);}
.nav-link.active{color:var(--ink);font-weight:600;}
.nav-link.active::after{opacity:1;transform:translateX(-50%) scaleX(1);}
.header-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:40px;
  padding:0 20px;
  margin-left:12px;
  border:0;
  border-radius:10px;
  background:var(--orange);
  color:#fff;
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  box-shadow:0 4px 12px rgba(224,122,63,.28);
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.header-cta:hover{background:#cf6a31;color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(224,122,63,.32);}
.header-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  color:var(--ink);
  font-size:18px;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.nav-mask{
  position:fixed;
  inset:0;
  background:rgba(9,53,48,.42);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
  z-index:1090;
}
.nav-drawer{
  position:fixed;
  top:0;
  right:0;
  width:84vw;
  max-width:320px;
  height:100%;
  background:var(--paper);
  border-left:1px solid var(--line);
  box-shadow:var(--shadow-3);
  transform:translateX(100%);
  transition:transform 240ms cubic-bezier(.22,.61,.36,1);
  z-index:1100;
  display:flex;
  flex-direction:column;
  padding:20px;
  overflow-y:auto;
}
body.drawer-open .nav-drawer{transform:translateX(0);}
body.drawer-open .nav-mask{opacity:1;visibility:visible;}
body.drawer-open{overflow:hidden;}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  color:var(--ink);
  font-size:18px;
  cursor:pointer;
  display:flex;align-items:center;justify-content:center;
}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px;}
.drawer-nav .nav-link{
  display:flex;
  align-items:center;
  min-height:48px;
  width:100%;
  padding:0;
  border-bottom:1px solid var(--line);
  font-size:15px;
}
.drawer-nav .nav-link::after{display:none;}
.drawer-nav .nav-link.active{color:var(--ink);font-weight:700;}
.drawer-foot{margin-top:auto;padding-top:20px;}
.drawer-foot .header-cta{width:100%;height:44px;margin:0;}

@media (max-width:991.98px){
  .main-nav{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:flex;}
}

/* ============ 面包屑 ============ */
.crumb-bar{
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  padding:16px 0;
  font-size:13px;
  color:var(--muted);
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--ink-light);}
.crumb .sep{color:var(--bamboo);}
.crumb .now{color:var(--ink);font-weight:600;}

/* ============ 页头 ============ */
.page-hero{
  padding:56px 0 64px;
  background:linear-gradient(180deg,var(--paper) 0%,var(--paper-2) 100%);
  border-bottom:1px solid var(--line);
}
.hero-grid{
  display:grid;
  grid-template-columns:1.55fr 1fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  background:var(--ink-mist);
  color:var(--ink);
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
}
.eyebrow i{font-size:12px;color:var(--orange);}
.page-hero h1{
  font-size:40px;
  font-weight:800;
  line-height:1.28;
  margin:20px 0 16px;
  color:var(--ink-deep);
}
.page-hero h1 em{
  font-style:normal;
  color:var(--ink-light);
  box-shadow:inset 0 -10px 0 rgba(127,179,166,.26);
}
.hero-lead{
  max-width:620px;
  font-size:17px;
  color:var(--muted);
  line-height:1.85;
}
.stat-row{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
  margin-top:32px;
  max-width:620px;
}
.stat-item{
  border-left:2px solid var(--bamboo);
  padding-left:14px;
}
.stat-num{
  font-size:24px;
  font-weight:700;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.stat-num small{font-size:14px;font-weight:600;margin-left:2px;}
.stat-label{
  font-size:13px;
  color:var(--muted);
  margin-top:4px;
  line-height:1.6;
}
.hero-figure{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-2);
  aspect-ratio:4/3;
}
.hero-figure img{
  width:100%;height:100%;object-fit:cover;
}
.hero-figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(150deg,rgba(15,74,68,.42) 0%,rgba(15,74,68,.10) 60%,rgba(224,122,63,.16) 100%);
}
.hero-figure .fig-tag{
  position:absolute;
  left:16px;
  bottom:16px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.92);
  color:var(--ink-deep);
  font-size:13px;
  font-weight:600;
}

/* ============ 通用区块 ============ */
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--mist{background:var(--ink-mist);}
.section--paper2{background:var(--paper-2);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:40px;
}
.section-head h2{
  font-size:28px;
  font-weight:700;
  color:var(--ink-deep);
  margin-top:12px;
}
.section-head p{
  font-size:15px;
  color:var(--muted);
  margin-top:10px;
  max-width:640px;
}
.section-head .head-link{
  font-size:14px;
  font-weight:600;
  color:var(--ink-light);
  white-space:nowrap;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.section-head .head-link i{transition:transform var(--ease);}
.section-head .head-link:hover i{transform:translateY(3px);}

/* ============ 分屏大图段 ============ */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  min-height:440px;
  border-radius:var(--radius-xl);
  overflow:hidden;
  background:var(--card);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:box-shadow var(--ease),transform var(--ease);
}
.split:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.split + .split{margin-top:32px;}
.split-media{
  position:relative;
  min-height:300px;
  overflow:hidden;
}
.split-media img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 400ms ease;
}
.split:hover .split-media img{transform:scale(1.03);}
.split-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(15,74,68,.12) 0%,rgba(15,74,68,.62) 100%);
}
.media-title{
  position:absolute;
  left:32px;
  right:32px;
  bottom:28px;
  z-index:2;
  font-size:24px;
  font-weight:700;
  color:#fff;
  line-height:1.35;
  text-shadow:0 2px 10px rgba(9,53,48,.35);
}
.split-body{
  padding:48px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.split-label{
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  background:var(--ink-mist);
  color:var(--ink);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
}
.split-body h3{
  font-size:24px;
  font-weight:700;
  color:var(--ink-deep);
  margin:16px 0 12px;
}
.split-body .desc{
  font-size:15.5px;
  color:var(--muted);
  line-height:1.85;
}
.point-list{margin-top:20px;display:grid;gap:12px;}
.point-list li{
  display:flex;
  gap:10px;
  font-size:15px;
  color:var(--text);
  line-height:1.7;
}
.point-list li i{
  color:var(--orange);
  font-size:14px;
  margin-top:6px;
  flex:0 0 auto;
}
.split-link{
  margin-top:26px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  align-self:flex-start;
  font-size:14px;
  font-weight:600;
  color:var(--ink-light);
}
.split-link i{transition:transform var(--ease);}
.split-link:hover i{transform:translateX(4px);}
.split--reverse .split-media{order:2;}

/* ============ 办理须知四栏 ============ */
.note-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.note-item{
  padding:32px 28px;
  border-left:1px solid var(--line);
}
.note-item:first-child{border-left:0;padding-left:0;}
.note-item:last-child{padding-right:0;}
.note-item .ico{
  width:40px;height:40px;
  border-radius:10px;
  background:var(--ink-mist);
  color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;
  margin-bottom:16px;
}
.note-item h4{
  font-size:16px;
  font-weight:600;
  color:var(--ink-deep);
  margin-bottom:8px;
}
.note-item p{
  font-size:14px;
  color:var(--muted);
  line-height:1.8;
  max-width:260px;
}

/* ============ 疑问卡片 ============ */
.faq-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.faq-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px 24px;
  box-shadow:var(--shadow-1);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.faq-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:var(--bamboo);
}
.faq-card .q{
  display:flex;
  gap:10px;
  font-size:16px;
  font-weight:600;
  color:var(--ink-deep);
  line-height:1.55;
}
.faq-card .q span{
  color:var(--orange);
  font-weight:800;
  flex:0 0 auto;
}
.faq-card .a{
  margin-top:12px;
  font-size:14px;
  color:var(--muted);
  line-height:1.85;
}
.faq-more{
  margin-top:28px;
  font-size:14px;
  color:var(--muted);
}
.faq-more a{font-weight:600;color:var(--ink-light);border-bottom:1px solid rgba(30,107,98,.34);}
.faq-more a:hover{color:var(--ink);border-color:var(--ink);}

/* ============ 相关分类胶囊 ============ */
.rel-wrap{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
}
.rel-wrap .rel-title{
  font-size:14px;
  font-weight:600;
  color:var(--muted);
  margin-right:6px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
  font-size:14px;
  font-weight:500;
  transition:all var(--ease);
}
.pill i{font-size:12px;color:var(--bamboo);}
.pill:hover{
  border-color:var(--ink);
  color:var(--ink);
  transform:translateY(-1px);
  box-shadow:var(--shadow-1);
}
.pill.is-current{
  background:var(--ink);
  border-color:var(--ink);
  color:#fff;
  font-weight:600;
}
.pill.is-current i{color:var(--orange-light);}

/* ============ CTA ============ */
.cta-band{padding:0 0 88px;}
.cta-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:48px;
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:40px;
  align-items:center;
  box-shadow:var(--shadow-1);
}
.cta-card h2{
  font-size:28px;
  font-weight:700;
  color:var(--ink-deep);
  line-height:1.35;
}
.cta-card .cta-desc{
  margin-top:12px;
  font-size:15px;
  color:var(--muted);
  max-width:520px;
}
.cta-checks{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  margin-top:20px;
}
.cta-checks span{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text);
}
.cta-checks i{color:var(--ok);font-size:13px;}
.cta-actions{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.btn-primary-solid{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:48px;
  padding:0 28px;
  border-radius:10px;
  border:1px solid var(--orange);
  background:var(--orange);
  color:#fff;
  font-size:15px;
  font-weight:600;
  transition:all var(--ease);
  box-shadow:0 6px 16px rgba(224,122,63,.26);
}
.btn-primary-solid:hover{
  background:#cf6a31;
  border-color:#cf6a31;
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 10px 24px rgba(224,122,63,.3);
}
.btn-primary-solid:active{transform:translateY(0);box-shadow:0 4px 10px rgba(224,122,63,.22);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:48px;
  padding:0 28px;
  border-radius:10px;
  border:1px solid var(--ink);
  background:transparent;
  color:var(--ink);
  font-size:15px;
  font-weight:600;
  transition:all var(--ease);
}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.cta-note{
  font-size:12px;
  color:var(--muted);
  text-align:center;
  line-height:1.7;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-deep);
  color:rgba(255,255,255,.76);
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:56px;
}
.footer-main{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-mark i{background:rgba(255,255,255,.9);}
.footer-brand .brand-mark i:nth-child(2),
.footer-brand .brand-mark i:nth-child(4),
.footer-brand .brand-mark i:nth-child(6),
.footer-brand .brand-mark i:nth-child(8){background:rgba(255,255,255,.35);}
.footer-brand .brand-mark i:nth-child(9){background:var(--orange-light);}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.68);
  max-width:280px;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{
  display:inline-block;
  font-size:14px;
  color:rgba(255,255,255,.76);
  transition:color var(--ease),transform var(--ease);
}
.footer-col ul a:hover{color:var(--orange-light);transform:translateX(-2px);}
.contact-line{
  font-size:14px;
  color:rgba(255,255,255,.7);
  margin-bottom:10px;
  line-height:1.7;
}
.contact-line strong{color:#fff;font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:rgba(255,255,255,.56);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .page-hero h1{font-size:36px;}
  .note-grid{grid-template-columns:repeat(2,1fr);}
  .note-item:nth-child(3){border-left:0;padding-left:0;}
  .note-item{padding:28px 24px;}
  .footer-main{grid-template-columns:1.3fr 1fr 1fr;gap:32px;}
  .footer-col:last-child{grid-column:1 / -1;}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-figure{order:-1;aspect-ratio:16/8;}
  .page-hero{padding:40px 0 48px;}
  .page-hero h1{font-size:30px;}
  .split{grid-template-columns:1fr;min-height:0;}
  .split-media{min-height:240px;}
  .split--reverse .split-media{order:0;}
  .split-body{padding:32px;}
  .media-title{font-size:20px;left:24px;right:24px;bottom:20px;}
  .faq-grid{grid-template-columns:1fr;}
  .cta-card{grid-template-columns:1fr;padding:32px;gap:28px;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;}
  .cta-actions .btn-primary-solid,
  .cta-actions .btn-ghost{flex:1 1 180px;}
  .faq-more{flex-wrap:wrap;}
  .footer-main{grid-template-columns:1fr 1fr;}
  .footer-col:last-child{grid-column:auto;}
  .footer-brand{grid-column:1 / -1;}
  .footer-brand p{max-width:100%;}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px;}
  .page-hero h1{font-size:28px;}
  .hero-lead{font-size:15.5px;}
  .stat-row{grid-template-columns:1fr;gap:12px;}
  .stat-item{display:flex;align-items:baseline;gap:12px;}
  .stat-label{margin-top:0;}
  .note-grid{grid-template-columns:1fr;}
  .note-item{border-left:0;border-top:1px solid var(--line);padding:24px 0;}
  .note-item:first-child{border-top:0;padding-top:24px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;}
  .section-head h2{font-size:24px;}
  .cta-band{padding-bottom:64px;}
  .cta-card h2{font-size:24px;}
  .split-body h3{font-size:20px;}
  .footer-main{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .rel-wrap .rel-title{width:100%;margin-bottom:4px;}
  .pill{height:42px;padding:0 16px;font-size:13.5px;}
}
@media (max-width:519.98px){
  .page-hero h1{font-size:26px;}
  .hero-figure{aspect-ratio:16/10;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn-primary-solid,
  .cta-actions .btn-ghost{width:100%;flex:0 0 auto;}
  .brand-text{font-size:17px;}
}

/* roulang page: category5 */
:root{
  --primary:#0F4A44;
  --primary-dark:#093530;
  --primary-light:#1E6B62;
  --primary-mist:#EAF2EF;
  --accent:#E07A3F;
  --accent-light:#F2A46E;
  --accent-soft:#FFF7EF;
  --bamboo:#7FB3A6;
  --bg:#FBF8F2;
  --bg-2:#F1ECE1;
  --card:#FFFFFF;
  --text:#22302E;
  --muted:#5C6B68;
  --border:#E3DCCF;
  --success:#3F8F6B;
  --warn:#C4553B;
  --shadow-1:0 6px 18px rgba(15,74,68,.08);
  --shadow-2:0 14px 34px rgba(15,74,68,.14);
  --shadow-3:0 18px 44px rgba(15,74,68,.18);
  --r-sm:8px;
  --r-md:10px;
  --r-lg:12px;
  --r-xl:14px;
  --r-2xl:18px;
  --bs-body-font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --bs-body-color:#22302E;
  --bs-body-bg:#FBF8F2;
  --bs-link-color:#1E6B62;
  --bs-link-hover-color:#E07A3F;
  --bs-border-radius:12px;
  --bs-border-radius-lg:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary-light);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{line-height:1.3;letter-spacing:.02em}
p{margin:0 0 1em}
ul{list-style:none}
button{font-family:inherit}
::selection{background:var(--accent-light);color:#3A1B08}
:focus-visible{outline:2px solid var(--primary-light);outline-offset:3px;border-radius:4px}

.container{max-width:1200px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
@media (min-width:1400px){.container{max-width:1280px}}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(251,248,242,.92);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .22s ease,background .22s ease;
}
.site-header.scrolled{box-shadow:var(--shadow-1);background:rgba(251,248,242,.97)}
.header-inner{display:flex;align-items:center;height:72px;gap:28px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{display:grid;grid-template-columns:repeat(3,6px);grid-template-rows:repeat(3,6px);gap:2px}
.brand-mark i{width:6px;height:6px;border-radius:2px;background:var(--primary);display:block}
.brand-mark i:nth-child(5){background:var(--accent)}
.brand-text{font-size:19px;font-weight:800;color:var(--primary-dark);letter-spacing:.01em;line-height:1}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:12px}
.nav-link{position:relative;padding:6px 0;font-size:15px;font-weight:500;color:var(--text);white-space:nowrap;display:inline-block}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:-5px;width:60%;height:2px;border-radius:2px;
  background:var(--accent);opacity:0;transform:translateX(-50%) scaleX(.4);
  transition:opacity .18s ease,transform .18s ease;
}
.nav-link:hover,.nav-link.active{color:var(--primary-dark)}
.nav-link:hover::after,.nav-link.active::after{opacity:1;transform:translateX(-50%) scaleX(1)}
.nav-link:focus-visible{outline:2px solid var(--primary-light);outline-offset:4px}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.btn-header{
  display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 20px;
  border-radius:var(--r-md);background:var(--accent);color:#fff;font-size:14px;font-weight:600;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;border:1px solid transparent;white-space:nowrap;
}
.btn-header:hover{background:#C66931;color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(224,122,63,.26)}
.btn-header:active{transform:translateY(0)}
.btn-header:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(224,122,63,.34)}
.nav-toggle{
  display:none;width:44px;height:44px;padding:0;border:1px solid var(--border);border-radius:var(--r-md);
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--primary-dark)}
.nav-toggle:hover{border-color:var(--primary-light);box-shadow:var(--shadow-1)}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:320px;z-index:1200;
  background:var(--bg);box-shadow:var(--shadow-3);padding:20px 20px 32px;
  display:flex;flex-direction:column;overflow-y:auto;
  transform:translateX(105%);visibility:hidden;
  transition:transform .28s cubic-bezier(.4,0,.2,1),visibility .28s;
}
.mobile-drawer.open{transform:translateX(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--border);border-radius:var(--r-md);background:#fff;
  display:grid;place-items:center;cursor:pointer;color:var(--primary-dark);font-size:18px;line-height:1;
  transition:border-color .18s ease,color .18s ease;
}
.drawer-close:hover{border-color:var(--accent);color:var(--accent)}
.drawer-nav{display:flex;flex-direction:column;margin-top:4px}
.drawer-nav a{display:flex;align-items:center;min-height:48px;border-bottom:1px solid var(--border);font-size:15px;font-weight:500;color:var(--text)}
.drawer-nav a.active{color:var(--primary-dark);font-weight:600}
.drawer-nav a:hover{color:var(--primary-light)}
.drawer-foot{margin-top:auto;padding-top:24px}
.drawer-foot .btn-header{width:100%;height:44px}
.drawer-mask{
  position:fixed;inset:0;z-index:1100;background:rgba(9,53,48,.42);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s;
}
.drawer-mask.open{opacity:1;visibility:visible}

/* ---------- 通用按钮 ---------- */
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 26px;
  border-radius:var(--r-md);background:var(--accent);color:#fff;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-accent:hover{background:#C66931;color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(224,122,63,.28)}
.btn-accent:active{transform:translateY(0);box-shadow:none}
.btn-accent:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(224,122,63,.34)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 26px;
  border-radius:var(--r-md);border:1px solid var(--primary);color:var(--primary);background:transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-outline:active{transform:translateY(0)}
.btn-outline:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(15,74,68,.22)}

.eyebrow{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;border-radius:999px;
  background:var(--primary-mist);color:var(--primary-dark);font-size:13px;font-weight:600;letter-spacing:.04em;
}
.eyebrow-accent{background:var(--accent-soft);color:#8A3F13}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:24px 0 0;background:var(--bg)}
.breadcrumb-nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin:0;padding:0;list-style:none}
.breadcrumb-nav a{color:var(--muted)}
.breadcrumb-nav a:hover{color:var(--primary-light)}
.breadcrumb-nav .sep{color:#C4BA9F}
.breadcrumb-nav .current{color:var(--primary-dark);font-weight:600}

/* ---------- 页头 ---------- */
.page-head{padding:28px 0 64px;background:linear-gradient(180deg,#FBF8F2 0%,#F6F1E7 100%)}
.page-head h1{
  font-size:40px;font-weight:800;color:var(--primary-dark);
  margin:18px 0 18px;max-width:720px;
}
.head-lead{font-size:17px;line-height:1.85;color:var(--muted);max-width:640px;margin:0}
.stat-row{display:flex;flex-wrap:wrap;gap:44px;margin-top:34px}
.stat-item .num{font-size:24px;font-weight:700;color:var(--primary-dark);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-item .num small{font-size:13px;font-weight:600;color:var(--primary-light);margin-left:4px}
.stat-item .lbl{font-size:13px;color:var(--muted);margin-top:4px}
.head-visual{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-2);background:var(--bg-2)}
.head-visual img{width:100%;aspect-ratio:4/3;object-fit:cover}
.head-visual::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(155deg,rgba(15,74,68,.22),rgba(15,74,68,0) 62%);
}

/* ---------- FAQ 主体 ---------- */
.faq-section{padding:88px 0 72px}
.section-h2{font-size:30px;font-weight:700;color:var(--primary-dark);margin:16px 0 0}
.section-sub{font-size:16px;color:var(--muted);max-width:560px;margin:14px 0 0;line-height:1.85}
.faq-list{display:flex;flex-direction:column;gap:12px;margin-top:32px}
.faq-item{
  position:relative;background:var(--card);border:1px solid var(--border);border-radius:var(--r-xl);
  overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);
  transform:scaleY(0);transform-origin:top;transition:transform .24s ease;
}
.faq-item:hover{box-shadow:var(--shadow-1);border-color:#D9D0BF}
.faq-item[open]{box-shadow:var(--shadow-1);border-color:#D9D0BF}
.faq-item[open]::before{transform:scaleY(1)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--text);min-height:44px;
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::marker{content:""}
.faq-item summary:hover{color:var(--primary-dark)}
.faq-item[open] summary{color:var(--primary-dark)}
.faq-icon{position:relative;flex:0 0 auto;width:20px;height:20px;transition:transform .24s ease}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;transition:background .18s ease;
}
.faq-icon::before{left:50%;top:3px;width:2px;height:14px;transform:translateX(-50%)}
.faq-icon::after{top:50%;left:3px;height:2px;width:14px;transform:translateY(-50%)}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-item[open] .faq-icon::before,.faq-item[open] .faq-icon::after{background:var(--accent)}
.faq-a{padding:0 24px 22px;font-size:15.5px;line-height:1.85;color:var(--muted);max-width:720px}
.faq-a p{margin:0}
.faq-a .faq-tip{
  display:inline-block;margin-top:10px;padding:6px 12px;border-radius:var(--r-sm);
  background:var(--primary-mist);color:var(--primary-dark);font-size:13px;font-weight:600;
}

/* ---------- 咨询表单卡 ---------- */
.consult-card{
  position:sticky;top:96px;background:var(--primary-mist);border:1px solid #D5E3DE;
  border-radius:var(--r-2xl);padding:26px;box-shadow:var(--shadow-1);
}
.consult-thumb{border-radius:var(--r-lg);overflow:hidden;margin-bottom:20px;background:#fff}
.consult-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.consult-card h3{font-size:20px;font-weight:700;color:var(--primary-dark);margin:14px 0 8px}
.consult-intro{font-size:14px;color:var(--muted);line-height:1.8;margin:0 0 20px}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px;letter-spacing:.02em}
.form-field .form-control{
  height:44px;border-radius:var(--r-md);border:1px solid #CBD8D3;background:#fff;
  padding:0 14px;font-size:15px;color:var(--text);box-shadow:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.form-field textarea.form-control{height:auto;min-height:96px;padding:11px 14px;line-height:1.7;resize:vertical}
.form-field .form-control::placeholder{color:#9AA8A4;font-size:14px}
.form-field .form-control:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,74,68,.14);outline:none;background:#fff;
}
.form-field .form-control:focus-visible{outline:none}
.submit-btn{width:100%;margin-top:4px}
.privacy-note{font-size:12px;line-height:1.7;color:var(--muted);margin:12px 0 0}
.form-meta{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--primary-light);margin-top:14px;font-weight:600}
.form-meta i{font-size:14px}

/* ---------- 相关分类 ---------- */
.related-cats{padding:0 0 88px}
.related-cats h2{font-size:22px;font-weight:700;color:var(--primary-dark);margin:0}
.cat-pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.cat-pills a{
  display:inline-flex;align-items:center;height:44px;padding:0 22px;border-radius:999px;
  border:1px solid var(--border);background:#fff;color:var(--text);
  font-size:14px;font-weight:500;transition:border-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.cat-pills a:hover{border-color:var(--primary-light);color:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.cat-pills a.active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}
.cat-pills a.active:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:none;box-shadow:none}

/* ---------- 收尾 CTA ---------- */
.cta-band{padding:0 0 96px}
.cta-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-2xl);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--shadow-1);
}
.cta-card h2{font-size:28px;font-weight:700;color:var(--primary-dark);margin:0 0 10px}
.cta-card p{font-size:15px;color:var(--muted);margin:0;max-width:520px;line-height:1.8}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--primary-dark);color:#fff;border-top:1px solid rgba(255,255,255,.12);padding:64px 0 0}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-mark i{background:rgba(255,255,255,.85)}
.footer-brand .brand-mark i:nth-child(5){background:var(--accent-light)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.76);margin-top:16px;max-width:300px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin:0 0 16px}
.footer-col ul{padding:0;margin:0}
.footer-col li + li{margin-top:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.76);display:inline-block;transition:color .18s ease,transform .18s ease}
.footer-col a:hover{color:var(--accent-light);transform:translateX(2px)}
.contact-line{font-size:14px;color:rgba(255,255,255,.76);margin:0 0 10px;line-height:1.75}
.contact-line strong{color:#fff;font-weight:600}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 24px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.56);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .main-nav{gap:20px}
  .nav-link{font-size:14.5px}
}
@media (max-width:991.98px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .page-head h1{font-size:32px}
  .consult-card{position:static;top:auto}
  .faq-section{padding:64px 0 56px}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px}
  .cta-card{padding:36px 32px}
  .cta-card h2{font-size:24px}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px}
  .header-inner{height:64px;gap:16px}
  .brand-text{font-size:17px}
  .btn-header{height:38px;padding:0 16px;font-size:13px}
  .page-head{padding:20px 0 48px}
  .page-head h1{font-size:28px;line-height:1.35}
  .head-lead{font-size:16px}
  .stat-row{gap:28px;margin-top:28px}
  .stat-item .num{font-size:21px}
  .head-visual img{aspect-ratio:16/10}
  .section-h2{font-size:23px}
  .faq-item summary{padding:16px 18px;font-size:15.5px}
  .faq-a{padding:0 18px 18px;font-size:15px}
  .consult-card{padding:20px}
  .faq-section{padding:56px 0 48px}
  .related-cats{padding-bottom:64px}
  .cta-band{padding-bottom:64px}
  .cta-card{padding:28px 22px;gap:22px}
  .cta-actions{width:100%}
  .cta-actions .btn-accent,.cta-actions .btn-outline{flex:1 1 auto}
  .footer-main{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .footer-bottom{font-size:12.5px;padding-bottom:20px}
  .site-footer{padding-top:48px}
}
@media (max-width:575.98px){
  .stat-row{gap:20px 32px}
  .cat-pills a{height:42px;padding:0 18px;font-size:13.5px}
  .faq-item summary{font-size:15px}
  .btn-accent,.btn-outline{width:100%}
  .cta-actions{flex-direction:column}
}