/* roulang page: index */
:root{
  --primary:#0F7A6B;
  --primary-dark:#0A574C;
  --primary-soft:#E6F2EF;
  --accent:#E07B39;
  --accent-soft:#FDF0E4;
  --accent-ink:#9A4E17;
  --bg:#FAF7F2;
  --card:#FFFFFF;
  --line:#E5DFD4;
  --ink:#17211F;
  --muted:#5A6560;
  --deep:#0A3B33;
  --radius-lg:24px;
  --radius:16px;
  --radius-sm:12px;
  --shadow-sm:0 1px 2px rgba(23,33,31,.04),0 10px 28px -16px rgba(23,33,31,.16);
  --shadow-md:0 2px 6px rgba(23,33,31,.06),0 18px 40px -20px rgba(23,33,31,.22);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0;line-height:1.25;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(15,122,107,.35);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;padding-top:12px;}
.nav-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;
  height:64px;
  padding:0 14px;
}
@media (min-width:1024px){.nav-card{height:72px;padding:0 18px;}}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:30px;height:30px;border-radius:9px;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px -8px rgba(15,122,107,.75);
  flex-shrink:0;
}
.brand-mark svg{width:18px;height:18px;stroke:#fff;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.brand-text{font-size:15px;font-weight:800;color:var(--ink);letter-spacing:.2px;white-space:nowrap;}
@media (min-width:1024px){.brand-text{font-size:16px;}}
.nav-links{display:none;}
@media (min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:4px;}
}
.nav-link{
  display:inline-flex;align-items:center;gap:7px;
  height:40px;padding:0 13px;border-radius:10px;
  font-size:14px;font-weight:500;color:var(--muted);
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.nav-link svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.nav-link:hover{background:var(--primary-soft);color:var(--primary-dark);}
.nav-link.active{background:var(--primary-soft);color:var(--primary-dark);box-shadow:inset 0 -2px 0 var(--primary);}
.nav-actions{display:flex;align-items:center;gap:8px;}
.nav-actions .btn-ghost{display:none;}
@media (min-width:1024px){.nav-actions .btn-ghost{display:inline-flex;}}
.menu-btn{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--card);display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .2s ease,border-color .2s ease;
}
.menu-btn:hover{background:var(--primary-soft);border-color:#CFE3DE;}
.menu-btn svg{width:22px;height:22px;stroke:var(--ink);fill:none;stroke-width:1.6;stroke-linecap:round;}
@media (min-width:1024px){.menu-btn{display:none;}}
.mobile-panel{display:none;margin-top:10px;}
.mobile-panel.open{display:block;animation:slideDown .22s ease;}
@keyframes slideDown{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}
.mobile-panel-inner{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-md);padding:14px;
}
.mobile-grid{display:grid;grid-template-columns:1fr;gap:8px;}
@media (min-width:520px){.mobile-grid{grid-template-columns:1fr 1fr;}}
.nav-card-item{
  display:flex;gap:10px;align-items:flex-start;
  padding:12px;border-radius:12px;border:1px solid var(--line);
  background:#FCFBF8;transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.nav-card-item:hover{background:var(--primary-soft);border-color:#CFE3DE;transform:translateY(-2px);}
.nav-card-item svg{width:20px;height:20px;stroke:var(--primary-dark);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;margin-top:3px;}
.nav-card-item strong{display:block;font-size:14px;font-weight:600;color:var(--ink);line-height:1.6;}
.nav-card-item span{display:block;font-size:13px;color:var(--muted);line-height:1.6;}
.mobile-foot{display:flex;flex-direction:column;gap:10px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line);}
.mobile-foot .foot-line{font-size:13px;color:var(--muted);text-align:center;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:12px;border:1px solid transparent;
  background:var(--primary);color:#fff;font-size:15px;font-weight:600;
  cursor:pointer;transition:background .22s ease,box-shadow .22s ease,transform .18s ease;
  box-shadow:0 8px 18px -10px rgba(15,122,107,.6);
  white-space:nowrap;
}
.btn:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 12px 26px -12px rgba(15,122,107,.75);}
.btn:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18);}
.btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:12px;
  background:var(--card);border:1px solid #CFE3DE;color:var(--primary-dark);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .22s ease,border-color .22s ease,transform .18s ease,box-shadow .22s ease;
  white-space:nowrap;
}
.btn-ghost:hover{background:var(--primary-soft);border-color:var(--primary);transform:translateY(-1px);box-shadow:var(--shadow-sm);}
.btn-ghost:active{transform:translateY(0);}
.btn-invert{background:var(--bg);color:var(--deep);box-shadow:0 10px 24px -14px rgba(0,0,0,.55);}
.btn-invert:hover{background:#fff;color:var(--deep);}
.btn-sm{height:40px;font-size:14px;padding:0 16px;border-radius:10px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary-dark);
  text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;
  transition:color .2s ease;
}
.link-more:hover{color:var(--primary);}
.link-more svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- 徽章/标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 10px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary-dark);
  font-size:13px;font-weight:600;line-height:1;white-space:nowrap;
}
.badge-accent{background:var(--accent-soft);color:var(--accent-ink);}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--primary);}
.badge-accent .badge-dot{background:var(--accent);}

/* ---------- 板块 ---------- */
.section{padding-top:56px;}
@media (min-width:1024px){.section{padding-top:88px;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:24px;}
.section-title{font-size:23px;font-weight:700;line-height:1.3;}
@media (min-width:1024px){.section-title{font-size:31px;}}
.section-sub{font-size:14px;color:var(--muted);margin-top:8px;max-width:640px;}

/* ---------- Hero ---------- */
.hero{
  margin-top:20px;
  background:#F2F7F5;
  border:1px solid #E1EDE9;
  border-radius:var(--radius-lg);
  padding:32px 22px;
  position:relative;
  overflow:hidden;
}
@media (min-width:1024px){.hero{padding:52px 48px;}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.22fr 1fr;gap:44px;align-items:center;}}
.hero h1{
  font-size:30px;font-weight:800;line-height:1.24;margin-top:16px;color:var(--ink);
}
@media (min-width:1024px){.hero h1{font-size:44px;line-height:1.2;}}
.hero-lead{font-size:16px;color:var(--muted);line-height:1.9;margin-top:16px;max-width:560px;}
@media (min-width:1024px){.hero-lead{font-size:17px;}}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;}
.trust-item{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);}
.trust-item svg{width:18px;height:18px;stroke:var(--primary);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.hero-media{position:relative;}
.hero-media-frame{
  border-radius:20px;overflow:hidden;border:1px solid #DDE9E5;
  box-shadow:var(--shadow-sm);aspect-ratio:4/3;background:#DDE9E5;
}
.hero-media-frame img{width:100%;height:100%;object-fit:cover;}
.hero-stat-card{
  position:relative;margin:-26px auto 0;width:92%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-md);padding:14px 18px;
}
.stat-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:7px 0;border-bottom:1px dashed var(--line);}
.stat-row:last-child{border-bottom:0;padding-bottom:0;}
.stat-row:first-child{padding-top:0;}
.stat-key{font-size:13px;color:var(--muted);}
.stat-val{font-size:14px;font-weight:700;color:var(--primary-dark);font-variant-numeric:tabular-nums;}

/* ---------- 精选网格 ---------- */
.grid-feature{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:1024px){
  .grid-feature{grid-template-columns:repeat(12,1fr);gap:24px;}
  .feat-wide{grid-column:span 8;}
  .feat-tall{grid-column:span 4;}
  .feat-std{grid-column:span 4;}
}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:#DCD5C7;}
.card-wide{display:grid;grid-template-columns:1fr;}
@media (min-width:768px){.card-wide{grid-template-columns:1.1fr 1fr;}}
.card-wide-media{aspect-ratio:16/10;overflow:hidden;background:#EDEAE2;}
.card-wide-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card-wide:hover .card-wide-media img{transform:scale(1.03);}
.card-wide-body{padding:22px;display:flex;flex-direction:column;gap:12px;}
.card-title{font-size:19px;font-weight:700;line-height:1.45;}
@media (min-width:1024px){.card-title{font-size:21px;}}
.card-text{font-size:15px;color:var(--muted);line-height:1.85;}
.param-list{display:flex;flex-direction:column;gap:6px;margin-top:2px;}
.param-item{display:flex;justify-content:space-between;gap:12px;font-size:14px;}
.param-item dt{color:var(--muted);}
.param-item dd{margin:0;font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums;}
.card-tall-media{aspect-ratio:4/3;overflow:hidden;background:#EDEAE2;}
.card-tall-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card-tall:hover .card-tall-media img{transform:scale(1.03);}
.card-tall-body{padding:20px;display:flex;flex-direction:column;gap:10px;}
.card-std-media{aspect-ratio:4/3;overflow:hidden;background:#EDEAE2;}
.card-std-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card-std:hover .card-std-media img{transform:scale(1.03);}
.card-std-body{padding:20px;display:flex;flex-direction:column;gap:10px;}
.card-std-title{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-std-text{font-size:14px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:8px;}

/* ---------- 保障条 ---------- */
.assure-band{
  margin-top:56px;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:32px 0;
}
@media (min-width:1024px){.assure-band{margin-top:88px;padding:44px 0;}}
.assure-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px 20px;}
@media (min-width:1024px){.assure-grid{grid-template-columns:repeat(4,1fr);gap:28px;}}
.assure-item{display:flex;gap:12px;align-items:flex-start;}
.assure-icon{
  width:42px;height:42px;border-radius:50%;background:var(--primary-soft);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.assure-icon svg{width:22px;height:22px;stroke:var(--primary-dark);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.assure-word{font-size:15px;font-weight:700;line-height:1.5;}
.assure-desc{font-size:13px;color:var(--muted);line-height:1.7;margin-top:2px;}

/* ---------- 评价轮播 ---------- */
.rail-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px;}
.rail-nav{display:none;gap:8px;}
@media (min-width:1024px){.rail-nav{display:flex;}}
.rail-btn{
  width:40px;height:40px;border-radius:50%;background:var(--card);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.rail-btn:hover{background:var(--primary-soft);border-color:#CFE3DE;transform:translateY(-1px);}
.rail-btn svg{width:18px;height:18px;stroke:var(--primary-dark);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.rail{
  display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:8px;scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none;}
.quote-card{
  flex:0 0 86%;max-width:360px;scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-sm);
  transition:box-shadow .25s ease,transform .25s ease;
}
@media (min-width:768px){.quote-card{flex:0 0 344px;}}
.quote-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}
.quote-top{display:flex;align-items:center;gap:12px;}
.avatar{
  width:40px;height:40px;border-radius:50%;background:var(--primary-soft);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:var(--primary-dark);flex-shrink:0;
}
.quote-name{font-size:15px;font-weight:700;line-height:1.4;}
.quote-role{font-size:13px;color:var(--muted);line-height:1.5;}
.stars{display:flex;gap:2px;margin-top:14px;}
.stars svg{width:16px;height:16px;fill:var(--accent);stroke:none;}
.quote-text{font-size:15px;color:var(--ink);line-height:1.85;margin-top:10px;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;}
.quote-src{font-size:12px;color:var(--muted);margin-top:12px;}
.rail-dots{display:flex;justify-content:center;gap:6px;margin-top:16px;}
.rail-dots span{width:8px;height:8px;border-radius:999px;background:#D9D2C6;transition:width .25s ease,background .25s ease;}
.rail-dots span.on{width:20px;background:var(--primary);}
@media (min-width:1024px){.rail-dots{display:none;}}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:1024px){.news-grid{grid-template-columns:5fr 7fr;gap:24px;}}
.news-feature{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:box-shadow .25s ease,transform .25s ease;
}
.news-feature:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}
.news-feature-media{aspect-ratio:16/10;overflow:hidden;background:#EDEAE2;}
.news-feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-feature:hover .news-feature-media img{transform:scale(1.03);}
.news-feature-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-feature-title{font-size:18px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-feature-text{font-size:14px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-top:auto;padding-top:6px;font-variant-numeric:tabular-nums;}
.news-list{display:flex;flex-direction:column;gap:12px;}
.news-row{
  display:flex;align-items:center;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:16px 18px;box-shadow:var(--shadow-sm);
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.news-row:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:#DCD5C7;}
.news-row-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px;}
.news-row-title{font-size:16px;font-weight:700;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.news-row-text{font-size:13px;color:var(--muted);line-height:1.7;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.news-row-side{display:flex;flex-direction:column;align-items:flex-end;gap:6px;flex-shrink:0;}
.news-row-date{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap;}
.news-row-side svg{width:16px;height:16px;stroke:var(--primary);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.empty-state{
  border:1px dashed #D9D2C6;border-radius:var(--radius);
  padding:44px 24px;text-align:center;background:#FCFBF8;
}
.empty-state svg{width:36px;height:36px;stroke:#A9A296;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;margin:0 auto 12px;}
.empty-title{font-size:15px;font-weight:600;color:var(--ink);}
.empty-desc{font-size:13px;color:var(--muted);margin-top:6px;}
.empty-link{display:inline-block;margin-top:14px;font-size:14px;font-weight:600;color:var(--primary-dark);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px;}

/* ---------- FAQ ---------- */
.faq-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:8px 22px;
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-size:16px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary-dark);}
.faq-ico{
  width:24px;height:24px;flex-shrink:0;border-radius:50%;background:var(--primary-soft);
  display:flex;align-items:center;justify-content:center;transition:background .2s ease,transform .25s ease;
}
.faq-ico svg{width:13px;height:13px;stroke:var(--primary-dark);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}
.faq-item[open] .faq-ico{background:var(--primary);transform:rotate(45deg);}
.faq-item[open] .faq-ico svg{stroke:#fff;}
.faq-answer{padding:0 0 20px;font-size:15px;color:var(--muted);line-height:1.85;max-width:820px;}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:56px;background:var(--deep);border-radius:var(--radius-lg);
  padding:40px 24px;color:#EDF5F2;position:relative;overflow:hidden;
}
@media (min-width:1024px){.cta-band{margin-top:88px;padding:56px 48px;}}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.28;pointer-events:none;
}
.cta-inner{position:relative;display:grid;gap:26px;}
@media (min-width:1024px){.cta-inner{grid-template-columns:1.5fr 1fr;align-items:center;gap:40px;}}
.cta-title{font-size:23px;font-weight:800;line-height:1.35;color:#fff;}
@media (min-width:1024px){.cta-title{font-size:30px;}}
.cta-text{font-size:15px;line-height:1.85;color:rgba(237,245,242,.82);margin-top:12px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (min-width:1024px){.cta-actions{justify-content:flex-end;}}
.cta-band .btn{background:var(--primary);}
.cta-band .btn:hover{background:#0F8F7D;}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:64px;background:#F3F0E9;border-top:1px solid var(--line);padding:56px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}}
.footer-about{font-size:14px;color:var(--muted);line-height:1.85;margin-top:14px;max-width:340px;}
.footer-contact{display:flex;flex-direction:column;gap:8px;margin-top:16px;}
.footer-contact a{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);transition:color .2s ease;}
.footer-contact a:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:4px;}
.footer-contact svg{width:16px;height:16px;stroke:var(--primary);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.footer-h{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:14px;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a{font-size:14px;color:var(--muted);transition:color .2s ease;}
.footer-list a:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:4px;}
.qr-box{
  width:120px;height:120px;border-radius:12px;border:1px dashed #C9C1B2;background:#FCFBF8;
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;color:#9A9284;line-height:1.5;padding:10px;
}
.footer-note{font-size:13px;color:var(--muted);line-height:1.8;margin-top:12px;}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid #E2DCD0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--muted);
}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:4px;}

/* roulang page: category1 */
:root{
    --primary:#0F7A6B;
    --primary-dark:#0A574C;
    --primary-light:#E6F2EF;
    --accent:#E07B39;
    --accent-light:#FDF0E4;
    --bg:#FAF7F2;
    --card:#FFFFFF;
    --border:#E5DFD4;
    --text:#17211F;
    --muted:#5A6560;
    --dark:#0A3B33;
    --radius-lg:24px;
    --radius:16px;
    --radius-sm:12px;
    --shadow-sm:0 1px 2px rgba(23,33,31,.04), 0 10px 28px -16px rgba(23,33,31,.16);
    --shadow-md:0 2px 4px rgba(23,33,31,.05), 0 18px 40px -20px rgba(23,33,31,.22);
    --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    font-family:var(--font-sans);
    background:var(--bg);
    color:var(--text);
    font-size:16px;
    line-height:1.9;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;height:auto;}
  a{color:var(--primary-dark);text-decoration:none;transition:color .2s ease;}
  a:hover{color:var(--primary);}
  button{font-family:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  p{margin:0;}
  h1,h2,h3,h4{margin:0;letter-spacing:0;font-weight:700;line-height:1.25;}
  :focus-visible{outline:3px solid rgba(15,122,107,.35);outline-offset:2px;border-radius:8px;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:1024px){ .container{padding:0 32px;} }

  /* ---------- 导航 ---------- */
  .site-header{position:sticky;top:0;z-index:50;background:var(--bg);padding:12px 0 8px;}
  .nav-shell{
    display:flex;align-items:center;justify-content:space-between;gap:14px;
    background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
    box-shadow:var(--shadow-sm);padding:8px 14px;min-height:60px;
  }
  @media (min-width:1024px){ .nav-shell{min-height:72px;padding:0 18px;} }
  .brand{display:flex;align-items:center;gap:10px;flex:none;}
  .brand-mark{
    width:32px;height:32px;border-radius:10px;background:var(--primary);
    display:grid;place-items:center;flex:none;
  }
  .brand-mark svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
  .brand-text{font-size:17px;font-weight:800;color:var(--text);white-space:nowrap;}
  .nav-links{display:none;}
  @media (min-width:1024px){ .nav-links{display:flex;align-items:center;gap:6px;} }
  .nav-link{
    position:relative;display:inline-flex;align-items:center;gap:7px;
    height:40px;padding:0 12px;border-radius:10px;
    font-size:14px;color:var(--muted);transition:background .2s ease,color .2s ease;
  }
  .nav-link svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
  .nav-link:hover{background:var(--primary-light);color:var(--primary-dark);}
  .nav-link.active{background:var(--primary-light);color:var(--primary-dark);font-weight:600;}
  .nav-link.active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
    border-radius:2px;background:var(--primary);
  }
  .nav-actions{display:flex;align-items:center;gap:10px;}
  .nav-actions .btn{display:none;}
  @media (min-width:1024px){ .nav-actions .btn{display:inline-flex;} }
  .nav-toggle{
    width:44px;height:44px;display:grid;place-items:center;
    background:#fff;border:1px solid var(--border);border-radius:12px;cursor:pointer;
    transition:background .2s ease,border-color .2s ease;
  }
  .nav-toggle:hover{background:var(--primary-light);border-color:#CFE3DE;}
  .nav-toggle:active{background:#D6EAE5;}
  .nav-toggle svg{width:22px;height:22px;fill:none;stroke:var(--primary-dark);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
  @media (min-width:1024px){ .nav-toggle{display:none;} }

  .mobile-panel{
    margin-top:10px;background:var(--card);border:1px solid var(--border);
    border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:14px;
    overflow:hidden;
  }
  .mobile-panel[hidden]{display:none;}
  .mobile-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;}
  @media (max-width:360px){ .mobile-grid{grid-template-columns:1fr;} }
  .nav-card{
    display:flex;flex-direction:column;gap:4px;padding:12px;
    border:1px solid var(--border);border-radius:12px;background:#fff;
    transition:background .2s ease,border-color .2s ease,transform .2s ease;
  }
  .nav-card:hover{background:var(--primary-light);border-color:#CFE3DE;transform:translateY(-2px);}
  .nav-card.active{background:var(--primary-light);border-color:#CFE3DE;}
  .nav-card-icon{display:inline-flex;color:var(--primary);}
  .nav-card-icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
  .nav-card-title{font-size:14px;font-weight:600;color:var(--text);}
  .nav-card-desc{font-size:13px;color:var(--muted);line-height:1.6;}
  .mobile-cta{width:100%;margin-top:12px;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:10px 22px;border-radius:12px;
    font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
    transition:transform .2s ease,box-shadow .25s ease,background .2s ease,color .2s ease,border-color .2s ease;
  }
  .btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
  .btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px -10px rgba(15,122,107,.6);}
  .btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(15,122,107,.8);}
  .btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.2);}
  .btn-ghost{background:#fff;color:var(--primary-dark);border-color:#CFE3DE;}
  .btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);}
  .btn-ghost:active{background:#D6EAE5;}
  .btn-light{background:#FAF7F2;color:var(--dark);border-color:#FAF7F2;}
  .btn-light:hover{background:#fff;color:var(--dark);transform:translateY(-1px);}
  .btn-light:active{transform:translateY(0);background:#EFEBE2;}
  .btn-outline-light{background:transparent;color:#EAF4F1;border-color:rgba(234,244,241,.42);}
  .btn-outline-light:hover{background:rgba(234,244,241,.12);color:#fff;border-color:rgba(234,244,241,.7);}
  .btn-outline-light:active{background:rgba(234,244,241,.2);}

  .text-link{
    display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
    color:var(--primary);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px;
  }
  .text-link:hover{color:var(--primary-dark);}
  .text-link svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}

  /* ---------- 通用板块 ---------- */
  .section{padding:56px 0;}
  @media (min-width:1024px){ .section{padding:88px 0;} }
  .section-head{
    display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
    gap:16px;margin-bottom:28px;
  }
  .section-title{font-size:23px;line-height:1.3;font-weight:700;color:var(--text);}
  @media (min-width:1024px){ .section-title{font-size:31px;} }
  .section-sub{margin-top:8px;font-size:15px;color:var(--muted);max-width:660px;line-height:1.85;}
  .badge{
    display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
    font-size:13px;font-weight:600;background:var(--primary-light);color:var(--primary-dark);
    white-space:nowrap;
  }
  .badge-accent{background:var(--accent-light);color:#9A4E17;}

  /* ---------- HERO ---------- */
  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--muted);padding:20px 0 0;
  }
  .breadcrumb a{color:var(--muted);}
  .breadcrumb a:hover{color:var(--primary);}
  .breadcrumb .sep{color:#BFB7A8;}
  .breadcrumb .current{color:var(--text);font-weight:600;}

  .hero{
    background:#F2F7F5;border-radius:var(--radius-lg);
    padding:32px 24px;margin-top:20px;
    display:grid;gap:28px;
  }
  @media (min-width:1024px){
    .hero{grid-template-columns:7fr 5fr;align-items:center;gap:48px;padding:56px;}
  }
  .hero-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid #CFE3DE;border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;color:var(--primary-dark);}
  .hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--primary);display:inline-block;}
  .hero h1{
    font-size:30px;line-height:1.22;font-weight:800;margin-top:18px;color:var(--text);
    letter-spacing:-.2px;
  }
  @media (min-width:640px){ .hero h1{font-size:38px;} }
  @media (min-width:1024px){ .hero h1{font-size:46px;} }
  .hero-lead{margin-top:16px;font-size:16px;line-height:1.9;color:var(--muted);max-width:560px;}
  @media (min-width:1024px){ .hero-lead{font-size:18px;} }
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
  .hero-actions .btn{flex:1 1 auto;min-width:160px;}
  @media (min-width:640px){ .hero-actions .btn{flex:0 0 auto;} }
  .trust-row{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;}
  .trust-item{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);}
  .trust-item svg{width:18px;height:18px;fill:none;stroke:var(--primary);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:none;}

  .hero-media{position:relative;}
  .hero-figure{
    border-radius:20px;overflow:hidden;aspect-ratio:4/3;background:#DDE9E5;
    box-shadow:var(--shadow-sm);
  }
  .hero-figure img{width:100%;height:100%;object-fit:cover;}
  .param-card{
    position:relative;margin:-44px auto 0;width:92%;background:#fff;
    border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;
    box-shadow:var(--shadow-md);
  }
  .param-card .param-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:7px 0;border-bottom:1px dashed #EDE7DA;}
  .param-card .param-row:last-child{border-bottom:0;padding-bottom:0;}
  .param-card dt{font-size:14px;color:var(--muted);}
  .param-card dd{margin:0;font-size:15px;font-weight:700;color:var(--primary-dark);font-variant-numeric:tabular-nums;}

  /* ---------- 保障条 ---------- */
  .assure{
    background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);
    padding:32px 0;
  }
  .assure-grid{display:grid;grid-template-columns:1fr;gap:20px;}
  @media (min-width:640px){ .assure-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
  @media (min-width:1024px){ .assure-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;} }
  .assure-item{display:flex;gap:12px;align-items:flex-start;}
  .assure-icon{
    width:40px;height:40px;border-radius:50%;background:var(--primary-light);
    display:grid;place-items:center;flex:none;
  }
  .assure-icon svg{width:22px;height:22px;fill:none;stroke:var(--primary-dark);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
  .assure-item h3{font-size:15px;font-weight:700;margin:0 0 2px;}
  .assure-item p{font-size:13px;color:var(--muted);line-height:1.7;}

  /* ---------- 流程 ---------- */
  .flow-grid{display:grid;grid-template-columns:1fr;gap:16px;}
  @media (min-width:640px){ .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
  @media (min-width:1024px){ .flow-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;} }
  .flow-card{
    background:#fff;border:1px solid var(--border);border-radius:var(--radius);
    padding:20px;box-shadow:var(--shadow-sm);
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .flow-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#CFE3DE;}
  .flow-num{
    display:inline-flex;align-items:center;justify-content:center;
    width:30px;height:30px;border-radius:9px;background:var(--primary-light);
    color:var(--primary-dark);font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
  }
  .flow-card h3{font-size:17px;font-weight:700;margin:14px 0 8px;}
  .flow-card p{font-size:14px;color:var(--muted);line-height:1.8;}
  .flow-expect{margin-top:12px;padding-top:12px;border-top:1px dashed #EDE7DA;font-size:13px;color:var(--primary-dark);font-weight:600;}

  /* ---------- 横向长卡 ---------- */
  .wide-list{display:grid;gap:20px;}
  .wide-card{
    display:grid;grid-template-columns:1fr;gap:0;background:#fff;
    border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
    box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .wide-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#CFE3DE;}
  @media (min-width:900px){
    .wide-card{grid-template-columns:280px 1fr;align-items:stretch;}
  }
  .wide-media{overflow:hidden;background:#DDE9E5;aspect-ratio:3/2;}
  @media (min-width:900px){ .wide-media{aspect-ratio:auto;height:100%;min-height:240px;} }
  .wide-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
  .wide-card:hover .wide-media img{transform:scale(1.03);}
  .wide-body{padding:22px;display:flex;flex-direction:column;}
  @media (min-width:1024px){ .wide-body{padding:26px 28px;} }
  .wide-body h3{font-size:19px;font-weight:700;margin:12px 0 8px;}
  @media (min-width:1024px){ .wide-body h3{font-size:21px;} }
  .wide-body > p{font-size:15px;color:var(--muted);line-height:1.85;}
  .param-list{display:grid;gap:8px;margin:16px 0 18px;}
  .param-list > div{display:flex;gap:12px;align-items:baseline;font-size:14px;}
  .param-list dt{color:var(--muted);flex:none;width:76px;}
  .param-list dd{margin:0;font-weight:600;color:var(--text);font-variant-numeric:tabular-nums;}
  .wide-body .text-link{margin-top:auto;align-self:flex-start;}

  /* ---------- FAQ ---------- */
  .faq-card{
    background:#fff;border:1px solid var(--border);border-radius:var(--radius);
    box-shadow:var(--shadow-sm);overflow:hidden;
  }
  .faq-item{border-bottom:1px solid var(--border);}
  .faq-item:last-child{border-bottom:0;}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px;font-size:16px;font-weight:600;color:var(--text);
    transition:background .2s ease,color .2s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{background:var(--primary-light);color:var(--primary-dark);}
  .faq-item summary:active{background:#D6EAE5;}
  .faq-icon{flex:none;width:22px;height:22px;position:relative;}
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform .2s ease;
  }
  .faq-icon::before{left:0;top:10px;width:22px;height:2px;}
  .faq-icon::after{left:10px;top:0;width:2px;height:22px;}
  .faq-item[open] .faq-icon::after{transform:scaleY(0);}
  .faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--muted);}

  /* ---------- CTA ---------- */
  .cta-wrap{padding:56px 0;}
  @media (min-width:1024px){ .cta-wrap{padding:88px 0;} }
  .cta-band{
    position:relative;overflow:hidden;background:var(--dark);color:#EAF4F1;
    border-radius:var(--radius-lg);padding:36px 24px;
  }
  @media (min-width:1024px){ .cta-band{padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:48px;} }
  .cta-band::after{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.16;
    background-image:radial-gradient(rgba(234,244,241,.9) 1px, transparent 1px);
    background-size:22px 22px;
  }
  .cta-band > *{position:relative;z-index:1;}
  .cta-band h2{font-size:23px;line-height:1.35;color:#fff;font-weight:800;}
  @media (min-width:1024px){ .cta-band h2{font-size:30px;} }
  .cta-band p{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(234,244,241,.78);max-width:560px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
  @media (min-width:1024px){ .cta-actions{margin-top:0;flex:none;flex-wrap:nowrap;} }

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:#F3F0E9;border-top:1px solid var(--border);
    padding:56px 0 32px;margin-top:8px;
  }
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
  @media (min-width:640px){ .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;} }
  .footer-about{margin-top:14px;font-size:14px;line-height:1.85;color:var(--muted);max-width:340px;}
  .footer-contact{display:flex;flex-direction:column;gap:8px;margin-top:16px;}
  .footer-contact a{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--primary-dark);font-weight:600;}
  .footer-contact a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px;}
  .footer-contact svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
  .footer-h{font-size:14px;font-weight:700;color:var(--text);margin:0 0 14px;}
  .footer-list{display:flex;flex-direction:column;gap:10px;}
  .footer-list a{font-size:14px;color:var(--muted);}
  .footer-list a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px;}
  .qr-box{
    width:120px;height:120px;border:1px solid var(--border);border-radius:12px;background:#fff;
    display:grid;place-items:center;text-align:center;font-size:12px;line-height:1.6;color:var(--muted);
    padding:8px;
  }
  .footer-note{margin-top:14px;font-size:13px;line-height:1.8;color:var(--muted);}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
    margin-top:40px;padding-top:20px;border-top:1px solid var(--border);
    font-size:13px;color:var(--muted);
  }
  .footer-bottom a{color:var(--muted);}
  .footer-bottom a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px;}

  @media (prefers-reduced-motion: reduce){
    *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  }

/* roulang page: article */
:root{
    --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    --brand:#0F7A6B;
    --brand-dark:#0A574C;
    --brand-light:#E6F2EF;
    --amber:#E07B39;
    --bg:#FAF7F2;
    --card:#FFFFFF;
    --line:#E5DFD4;
    --ink:#17211F;
    --muted:#5A6560;
    --deep:#0A3B33;
    --radius:16px;
    --shadow:0 1px 2px rgba(23,33,31,.04), 0 10px 28px -16px rgba(23,33,31,.16);
    --shadow-lg:0 2px 6px rgba(23,33,31,.06), 0 20px 40px -20px rgba(23,33,31,.26);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  html body{
    margin:0;
    padding:0;
    background:var(--bg);
    color:var(--ink);
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.9;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  html a{color:var(--brand);text-decoration:none;transition:color .2s ease}
  img{max-width:100%;height:auto;display:block}
  button{font-family:inherit}
  a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
    outline:3px solid rgba(15,122,107,.35);
    outline-offset:2px;
    border-radius:10px;
  }
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:1024px){.container{padding:0 32px}}

  /* ---------- 导航 ---------- */
  .site-header{position:sticky;top:0;z-index:50;padding-top:12px;background:var(--bg)}
  .nav-card{
    display:flex;align-items:center;gap:12px;
    background:var(--card);border:1px solid var(--line);border-radius:16px;
    box-shadow:var(--shadow);padding:10px 14px;min-height:72px;
  }
  .brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
  .brand-mark{
    width:32px;height:32px;border-radius:9px;color:#fff;
    background:linear-gradient(135deg,#149184,var(--brand-dark));
    display:inline-flex;align-items:center;justify-content:center;
    box-shadow:0 6px 14px -8px rgba(10,87,76,.9);
  }
  .brand-mark svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
  .brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
  .nav-links{display:none;align-items:center;gap:4px;margin-left:10px}
  @media (min-width:1024px){.nav-links{display:flex}}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;gap:7px;
    height:40px;padding:0 12px;border-radius:10px;
    font-size:14px;font-weight:500;color:var(--muted);
    transition:background .22s ease,color .22s ease;
  }
  .nav-link svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
  .nav-link:hover{background:var(--brand-light);color:var(--brand-dark)}
  .nav-link.active{background:var(--brand-light);color:var(--brand-dark);font-weight:600}
  .nav-link.active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
    border-radius:2px;background:var(--brand);
  }
  .nav-actions{margin-left:auto;display:flex;align-items:center;gap:8px}
  .nav-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:11px;border:1px solid var(--line);
    background:#fff;color:var(--ink);cursor:pointer;transition:background .2s ease,border-color .2s ease;
  }
  .nav-toggle:hover{background:var(--brand-light);border-color:#CFE3DE}
  .nav-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
  @media (min-width:1024px){.nav-toggle{display:none}}
  .nav-cta,.nav-ghost{display:none}
  @media (min-width:1024px){
    .nav-cta{display:inline-flex}
    .nav-ghost{display:inline-flex}
  }
  .mobile-panel{
    display:none;margin-top:8px;background:var(--card);
    border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);
    padding:14px;
  }
  .mobile-panel.open{display:block}
  .mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
  .m-card{
    display:block;padding:12px;border:1px solid var(--line);border-radius:12px;
    background:#fff;transition:background .2s ease,border-color .2s ease;
  }
  .m-card:hover{background:var(--brand-light);border-color:#CFE3DE}
  .m-card strong{display:block;font-size:14px;font-weight:600;color:var(--ink)}
  .m-card span{display:block;font-size:12.5px;line-height:1.6;color:var(--muted);margin-top:2px}
  .mobile-foot{margin-top:14px;display:flex;flex-direction:column;gap:8px}
  .mobile-foot .btn{width:100%}
  .mobile-foot p{margin:0;font-size:12.5px;color:var(--muted);text-align:center}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;border-radius:12px;border:1px solid transparent;
    font-size:15px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;
    transition:background .22s ease,color .22s ease,box-shadow .22s ease,transform .22s ease,border-color .22s ease;
  }
  .btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
  .btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 18px -10px rgba(15,122,107,.75)}
  .btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px -12px rgba(10,87,76,.85)}
  .btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 8px rgba(0,0,0,.22)}
  .btn-ghost{background:#fff;border-color:#CFE3DE;color:var(--brand-dark)}
  .btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-1px)}
  .btn-ghost:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(10,87,76,.14)}
  .btn-light{background:var(--bg);color:var(--deep)}
  .btn-light:hover{background:#fff;color:var(--deep);transform:translateY(-1px)}
  .btn-light:active{transform:translateY(0)}
  .btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}

  /* ---------- 通用 ---------- */
  .page-main{padding:30px 0 0}
  .badge{
    display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
    font-size:13px;font-weight:500;background:var(--brand-light);color:var(--brand-dark);
  }
  .badge-amber{background:#FDF0E4;color:#9A4E17}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
  .breadcrumb a{color:var(--muted)}
  .breadcrumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
  .breadcrumb .sep{opacity:.45}
  .breadcrumb .current{color:var(--ink);font-weight:500}

  /* ---------- 文章头部 ---------- */
  .article-head{max-width:860px}
  .article-head h1{
    font-size:clamp(28px,4.4vw,34px);line-height:1.32;font-weight:800;
    letter-spacing:-.01em;margin:0 0 16px;color:var(--ink);
  }
  .meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
  .meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C9C2B5;display:inline-block}

  /* ---------- 文章布局 ---------- */
  .article-layout{display:grid;grid-template-columns:1fr;gap:28px;margin-top:26px}
  @media (min-width:1024px){.article-layout{grid-template-columns:minmax(0,1fr) 320px;gap:40px}}
  .article-body{
    background:var(--card);border:1px solid var(--line);border-radius:20px;
    box-shadow:var(--shadow);padding:26px 20px;
  }
  @media (min-width:768px){.article-body{padding:40px 44px}}

  .prose-cn{max-width:720px;font-size:16px;line-height:1.9;color:var(--ink)}
  .prose-cn p{margin:0 0 1.2em}
  .prose-cn h2{
    position:relative;font-size:24px;line-height:1.45;font-weight:700;
    margin:40px 0 16px;padding-left:14px;color:var(--ink);
  }
  .prose-cn h2::before{
    content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;
    border-radius:2px;background:var(--brand);
  }
  .prose-cn h3{font-size:19px;font-weight:600;line-height:1.55;margin:28px 0 12px;color:var(--brand-dark)}
  .prose-cn ul,.prose-cn ol{margin:0 0 1.2em;padding-left:1.3em}
  .prose-cn li{margin:8px 0}
  .prose-cn li::marker{color:var(--brand)}
  .prose-cn blockquote{
    margin:20px 0;padding:14px 18px;border-left:3px solid var(--brand);
    background:#F6FAF8;border-radius:0 12px 12px 0;font-size:15px;color:var(--muted);
  }
  .prose-cn blockquote p:last-child{margin-bottom:0}
  .prose-cn img{border-radius:12px;margin:22px 0 8px;width:100%}
  .prose-cn figure{margin:22px 0}
  .prose-cn figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
  .prose-cn table{width:100%;border-collapse:collapse;font-size:14.5px;margin:20px 0}
  .prose-cn th{
    background:var(--brand-light);color:var(--brand-dark);font-weight:600;
    padding:12px;text-align:left;border:1px solid var(--line);
  }
  .prose-cn td{padding:12px;border:1px solid var(--line);vertical-align:top}
  .prose-cn tbody tr:nth-child(even){background:var(--bg)}
  .prose-cn a{color:var(--brand);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}
  .prose-cn a:hover{color:var(--brand-dark)}
  .prose-cn strong{font-weight:700;color:var(--ink)}
  .prose-cn hr{border:none;border-top:1px solid var(--line);margin:32px 0}
  .prose-cn > :first-child{margin-top:0}

  .post-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
  .tag{
    display:inline-flex;align-items:center;height:30px;padding:0 13px;border-radius:999px;
    font-size:13px;color:var(--muted);background:#F2EEE5;border:1px solid var(--line);
    transition:background .2s ease,color .2s ease,border-color .2s ease;
  }
  .tag:hover{background:var(--brand-light);color:var(--brand-dark);border-color:#CFE3DE}
  .post-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

  /* ---------- 侧栏 ---------- */
  .side-col{display:flex;flex-direction:column;gap:16px}
  @media (min-width:1024px){.side-col{position:sticky;top:100px;align-self:start}}
  .side-card{
    background:var(--card);border:1px solid var(--line);border-radius:16px;
    box-shadow:var(--shadow);padding:20px;
  }
  .side-title{
    display:block;font-size:14px;font-weight:700;color:var(--ink);
    margin:0 0 12px;letter-spacing:.01em;
  }
  .side-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
  .side-list a{
    display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:10px;
    font-size:14px;color:var(--muted);transition:background .2s ease,color .2s ease;
  }
  .side-list a:hover{background:var(--brand-light);color:var(--brand-dark)}
  .side-list svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}
  .side-note{font-size:13.5px;line-height:1.8;color:var(--muted);margin:0 0 14px}
  .side-card .btn{width:100%}
  .side-meta{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}
  .side-meta span{display:flex;justify-content:space-between;gap:10px}
  .side-meta b{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums}

  /* ---------- 相关内容 ---------- */
  .section-block{margin-top:64px}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:24px}
  .section-head h2{font-size:26px;line-height:1.4;font-weight:700;margin:0;color:var(--ink)}
  .section-head p{margin:6px 0 0;font-size:14.5px;color:var(--muted)}
  .text-link{
    display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);
    text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px;
  }
  .text-link:hover{color:var(--brand-dark)}
  .text-link svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
  .related-grid{display:grid;grid-template-columns:1fr;gap:20px}
  @media (min-width:640px){.related-grid{grid-template-columns:1fr 1fr}}
  @media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr)}}
  .news-card{
    display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
    border-radius:16px;overflow:hidden;box-shadow:var(--shadow);
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#CFE3DE}
  .thumb{aspect-ratio:4/3;overflow:hidden;background:var(--brand-light)}
  .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
  .news-card:hover .thumb img{transform:scale(1.03)}
  .news-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
  .news-body h3{font-size:17px;line-height:1.55;font-weight:600;margin:0;color:var(--ink)}
  .news-body p{margin:0;font-size:14px;line-height:1.75;color:var(--muted)}
  .news-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:6px;font-size:13px;color:var(--muted)}

  /* ---------- FAQ ---------- */
  .faq-card{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:6px 22px}
  .faq-item{border-bottom:1px solid var(--line);padding:16px 0}
  .faq-item:last-child{border-bottom:none}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    list-style:none;cursor:pointer;font-size:16px;font-weight:600;color:var(--ink);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{
    content:"+";flex:0 0 auto;width:26px;text-align:center;
    font-size:20px;font-weight:600;color:var(--brand);line-height:1;
  }
  .faq-item[open] summary::after{content:"−"}
  .faq-item summary:hover{color:var(--brand-dark)}
  .faq-a{padding:12px 0 4px;font-size:15px;line-height:1.85;color:var(--muted)}
  .faq-a p{margin:0 0 .8em}
  .faq-a p:last-child{margin-bottom:0}

  /* ---------- CTA ---------- */
  .cta-band{
    position:relative;overflow:hidden;background:var(--deep);color:#F4F1EA;
    border-radius:24px;padding:40px 26px;margin-top:72px;
    background-image:radial-gradient(rgba(255,255,255,.07) 1px, transparent 1px);
    background-size:18px 18px;
  }
  @media (min-width:768px){
    .cta-band{padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px}
  }
  .cta-band h2{font-size:clamp(22px,3.4vw,28px);line-height:1.4;font-weight:700;margin:0 0 10px;color:#fff}
  .cta-band p{margin:0;max-width:640px;font-size:15px;line-height:1.85;color:rgba(244,241,234,.8)}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
  @media (min-width:768px){.cta-actions{margin-top:0;flex:0 0 auto}}

  /* ---------- 空态 ---------- */
  .empty-state{
    border:1px dashed #D9D2C6;border-radius:16px;padding:44px 24px;
    text-align:center;background:var(--card);
  }
  .empty-state svg{width:36px;height:36px;margin:0 auto 12px;fill:none;stroke:var(--brand);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
  .empty-state p{margin:0 0 6px;font-size:15px;font-weight:600;color:var(--ink)}
  .empty-state span{display:block;font-size:13.5px;color:var(--muted);margin-bottom:18px}

  /* ---------- 页脚 ---------- */
  .site-footer{background:#F3F0E9;border-top:1px solid var(--line);margin-top:80px;padding:56px 0 32px}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
  @media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}}
  .footer-about{font-size:14px;line-height:1.85;color:var(--muted);margin:14px 0 16px;max-width:330px}
  .footer-contact{display:flex;flex-direction:column;gap:8px}
  .footer-contact a{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--brand-dark)}
  .footer-contact a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
  .footer-contact svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
  .footer-h{font-size:14px;font-weight:700;color:var(--ink);margin:0 0 14px}
  .footer-list{display:flex;flex-direction:column;gap:10px;font-size:14px}
  .footer-list a{color:var(--muted)}
  .footer-list a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
  .qr-box{
    width:120px;height:120px;border:1px dashed #CFC7B8;border-radius:12px;background:#fff;
    display:flex;align-items:center;justify-content:center;text-align:center;
    font-size:12.5px;line-height:1.6;color:var(--muted);
  }
  .footer-note{font-size:13px;line-height:1.8;color:var(--muted);margin:12px 0 0}
  .footer-bottom{
    margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:13px;color:var(--muted);
  }
  @media (max-width:519px){
    .brand-text{font-size:16px}
    .article-head h1{font-size:27px}
    .section-head h2{font-size:22px;line-height:1.45}
    .prose-cn h2{font-size:21px}
    .prose-cn h3{font-size:18px}
    .cta-band{padding:34px 20px}
    .post-actions .btn,.cta-actions .btn{width:100%}
  }

/* roulang page: category2 */
:root{
  --brand:#0F7A6B;
  --brand-dark:#0A574C;
  --brand-light:#E6F2EF;
  --accent:#E07B39;
  --accent-soft:#FDF0E4;
  --bg:#FAF7F2;
  --card:#FFFFFF;
  --line:#E5DFD4;
  --ink:#17211F;
  --muted:#5A6560;
  --deep:#0A3B33;
  --radius-lg:24px;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 1px 2px rgba(23,33,31,.04),0 10px 28px -16px rgba(23,33,31,.16);
  --shadow-hover:0 2px 4px rgba(23,33,31,.05),0 18px 36px -18px rgba(23,33,31,.22);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",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-sans);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.9;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,p{margin:0;}
svg{display:block;}
:focus-visible{outline:3px solid rgba(15,122,107,.35);outline-offset:2px;border-radius:6px;}
::selection{background:var(--brand-light);color:var(--brand-dark);}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;padding-top:12px;}
.nav-shell{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  min-height:72px;padding:0 16px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;border-radius:12px;padding:4px;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--brand);
  display:grid;place-items:center;color:#fff;
  box-shadow:0 8px 18px -10px rgba(15,122,107,.75);
}
.brand-mark svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.brand-text{font-weight:800;font-size:17px;letter-spacing:-.2px;color:var(--ink);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  height:40px;padding:0 14px;border-radius:10px;
  font-size:14px;font-weight:500;color:var(--muted);
  transition:background .22s ease,color .22s ease;
}
.nav-link svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.nav-link:hover{background:var(--brand-light);color:var(--brand-dark);}
.nav-link.active{background:var(--brand-light);color:var(--brand-dark);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:12px;
  font-size:14.5px;font-weight:600;white-space:nowrap;
  transition:transform .22s ease,background .22s ease,box-shadow .22s ease,color .22s ease,border-color .22s ease;
}
.btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 18px -10px rgba(15,122,107,.6);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 14px 26px -12px rgba(10,87,76,.7);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18);}
.btn-ghost{background:#fff;border:1px solid #CFE3DE;color:var(--brand-dark);}
.btn-ghost:hover{background:var(--brand-light);transform:translateY(-1px);box-shadow:0 10px 20px -14px rgba(10,87,76,.6);}
.btn-ghost:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(10,87,76,.14);}
.btn-invert{background:var(--bg);color:var(--deep);box-shadow:0 10px 22px -14px rgba(0,0,0,.4);}
.btn-invert:hover{background:#fff;transform:translateY(-1px);}
.btn-invert:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.16);}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;color:var(--brand-dark);
}
.nav-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.nav-toggle:hover{background:var(--brand-light);border-color:#CFE3DE;}

.mobile-panel{overflow:hidden;max-height:0;transition:max-height .22s ease;}
.mobile-panel.open{max-height:560px;}
.mobile-panel-inner{
  margin-top:10px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:14px;display:grid;grid-template-columns:1fr 1fr;gap:10px;box-shadow:var(--shadow);
}
.mobile-card{
  display:flex;flex-direction:column;gap:4px;padding:12px;border-radius:12px;
  border:1px solid var(--line);background:var(--bg);
  transition:background .2s ease,border-color .2s ease;
}
.mobile-card:hover{background:var(--brand-light);border-color:#CFE3DE;}
.mobile-card strong{font-size:14px;font-weight:700;color:var(--ink);}
.mobile-card span{font-size:12.5px;color:var(--muted);line-height:1.6;}
.mobile-foot{grid-column:1 / -1;display:flex;flex-direction:column;gap:8px;margin-top:4px;}
.mobile-foot .btn{width:100%;}

@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
}

/* ---------- 首屏带状区 ---------- */
.hero-band{
  position:relative;margin-top:20px;padding:44px 0 52px;overflow:hidden;
  background:linear-gradient(180deg,#F2F7F5 0%,#FAF7F2 100%);
  border-bottom:1px solid var(--line);
}
.hero-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center right;opacity:.14;pointer-events:none;
}
.hero-band .container{position:relative;z-index:1;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px;}
.breadcrumb a{color:var(--muted);border-radius:6px;transition:color .2s ease;}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.breadcrumb .sep{color:#C6BFB2;}
.breadcrumb .current{color:var(--ink);font-weight:600;}

.hero-band h1{
  font-size:clamp(30px,4.2vw,46px);line-height:1.22;font-weight:800;letter-spacing:-.6px;
  max-width:900px;
}
.hero-lead{
  margin-top:18px;max-width:760px;font-size:17px;line-height:1.85;color:var(--muted);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
  font-size:13px;font-weight:600;background:var(--brand-light);color:var(--brand-dark);
}
.badge-warm{background:var(--accent-soft);color:#9A4E17;}

.stat-row{display:grid;grid-template-columns:1fr;gap:14px;margin-top:34px;max-width:860px;}
@media (min-width:640px){.stat-row{grid-template-columns:repeat(3,1fr);}}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.stat:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#CFE3DE;}
.stat-num{display:block;font-size:28px;font-weight:800;line-height:1.2;color:var(--brand-dark);letter-spacing:-.5px;}
.stat-label{display:block;margin-top:6px;font-size:13px;color:var(--muted);line-height:1.6;}

/* ---------- 通用板块 ---------- */
.section{padding:60px 0;}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px;}
.section-head h2{font-size:clamp(23px,2.7vw,32px);font-weight:700;line-height:1.35;letter-spacing:-.4px;}
.section-desc{margin-top:10px;max-width:680px;font-size:15px;color:var(--muted);line-height:1.85;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);
  transition:color .2s ease;
}
.link-more svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.link-more:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px;}

/* ---------- 子分类横向卡 ---------- */
.subcat-track{
  display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:10px;scrollbar-width:none;-ms-overflow-style:none;
}
.subcat-track::-webkit-scrollbar{display:none;}
.subcat-card{
  scroll-snap-align:start;flex:0 0 200px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease,background .24s ease;
}
.subcat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#CFE3DE;background:#FCFEFD;}
.subcat-icon{
  width:38px;height:38px;border-radius:12px;background:var(--brand-light);color:var(--brand-dark);
  display:grid;place-items:center;margin-bottom:12px;
}
.subcat-icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.subcat-card strong{display:block;font-size:15.5px;font-weight:700;line-height:1.5;}
.subcat-card span{display:block;margin-top:6px;font-size:13px;color:var(--muted);line-height:1.65;}

/* ---------- 双列卡片网格 ---------- */
.post-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:700px){.post-grid{grid-template-columns:repeat(2,1fr);}}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#CFE3DE;}
.post-media{aspect-ratio:4 / 3;overflow:hidden;background:var(--brand-light);}
.post-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.post-card:hover .post-media img{transform:scale(1.03);}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.post-title{font-size:19px;font-weight:700;line-height:1.5;letter-spacing:-.2px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-desc{font-size:14.5px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.post-meta .meta-left{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.post-date{font-size:13px;color:var(--muted);}

/* ---------- 深色步骤带 ---------- */
.step-band{background:var(--deep);color:#F2F7F5;padding:60px 0;}
@media (min-width:1024px){.step-band{padding:88px 0;}}
.step-band h2{font-size:clamp(23px,2.7vw,32px);font-weight:700;line-height:1.35;letter-spacing:-.4px;color:#fff;}
.step-band .section-desc{color:rgba(242,247,245,.76);}
.step-band .link-more{color:#BEE4DA;}
.step-band .link-more:hover{color:#fff;}
.step-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:8px;}
@media (min-width:640px){.step-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.step-grid{grid-template-columns:repeat(4,1fr);}}
.step-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(230,242,239,.18);
  border-radius:var(--radius);padding:22px;
  transition:background .24s ease,transform .24s ease,border-color .24s ease;
}
.step-card:hover{background:rgba(255,255,255,.1);transform:translateY(-2px);border-color:rgba(230,242,239,.32);}
.step-num{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:rgba(230,242,239,.16);color:#E6F2EF;font-weight:700;font-size:15px;margin-bottom:14px;
}
.step-card strong{display:block;font-size:16.5px;font-weight:700;color:#fff;line-height:1.5;}
.step-card p{margin-top:8px;font-size:14px;line-height:1.8;color:rgba(242,247,245,.78);}

/* ---------- FAQ ---------- */
.faq-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:6px 24px;box-shadow:var(--shadow);
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:16px;font-weight:600;line-height:1.6;list-style:none;cursor:pointer;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-dark);}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:9px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--brand-dark);background:var(--bg);
  transition:transform .24s ease,background .24s ease,border-color .24s ease;
}
.faq-icon svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--brand-light);border-color:#CFE3DE;}
.faq-item[open] summary{color:var(--brand-dark);}
.faq-answer{padding:0 0 20px;font-size:15px;line-height:1.85;color:var(--muted);max-width:800px;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--brand-light);border-top:1px solid #D3E7E1;border-bottom:1px solid #D3E7E1;
  padding:56px 0;
}
.cta-inner{display:grid;gap:24px;align-items:center;}
@media (min-width:1024px){.cta-inner{grid-template-columns:1fr auto;gap:40px;}}
.cta-inner h2{font-size:clamp(23px,2.7vw,30px);font-weight:700;line-height:1.4;letter-spacing:-.4px;color:var(--brand-dark);}
.cta-inner p{margin-top:12px;font-size:15px;line-height:1.85;color:#31564F;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#F3F0E9;border-top:1px solid var(--line);padding:56px 0 32px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}}
.footer-about{margin-top:14px;max-width:330px;font-size:14px;line-height:1.9;color:var(--muted);}
.footer-contact{margin-top:16px;display:flex;flex-direction:column;gap:8px;}
.footer-contact a{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--brand-dark);border-radius:6px;transition:color .2s ease;}
.footer-contact a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.footer-contact svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.footer-h{font-size:14px;font-weight:700;margin-bottom:14px;color:var(--ink);}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a{font-size:14px;color:var(--muted);border-radius:6px;transition:color .2s ease;}
.footer-list a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.qr-box{
  width:120px;height:120px;border-radius:12px;border:1px dashed #D9D2C6;background:#fff;
  display:grid;place-items:center;text-align:center;font-size:12px;line-height:1.7;color:var(--muted);
}
.footer-note{margin-top:12px;font-size:12.5px;line-height:1.8;color:var(--muted);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
@media (max-width:639px){
  .nav-shell{min-height:64px;}
  .brand-text{font-size:16px;}
  .hero-band{padding:32px 0 40px;}
  .section{padding:48px 0;}
}