/* roulang page: index */
:root{
  --c-primary:#C2452F;
  --c-primary-dark:#9B3323;
  --c-primary-soft:#F7E6E1;
  --c-secondary:#2F6B62;
  --c-secondary-soft:#E4EFEC;
  --c-accent:#E8A33D;
  --c-bg:#FBF7F2;
  --c-surface:#FFFFFF;
  --c-surface-alt:#F3EBE2;
  --c-line:#E5D9CD;
  --c-text:#221E1B;
  --c-muted:#6C625B;
  --c-invert:#FFFDFB;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(34,30,27,.05);
  --sh-2:0 10px 30px rgba(34,30,27,.08);
  --bs-primary:#C2452F;
  --bs-body-bg:#FBF7F2;
  --bs-body-color:#221E1B;
  --bs-border-color:#E5D9CD;
  --bs-link-color:#C2452F;
  --bs-link-hover-color:#9B3323;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--c-primary-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-text);}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.25;letter-spacing:-.3px;}
h2{font-size:clamp(23px,3vw,32px);line-height:1.35;}
h3{font-size:19px;line-height:1.5;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
input,button,textarea,select{font-family:inherit;font-size:16px;}
button{cursor:pointer;}
:focus-visible{outline:3px solid rgba(194,69,47,.35);outline-offset:2px;border-radius:6px;}

.container{max-width:1200px;margin:0 auto;padding:0 20px;width:100%;}
.section{padding:88px 0;position:relative;}
.section.alt{background:var(--c-surface-alt);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--c-muted);font-size:17px;line-height:1.8;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-secondary);
  background:var(--c-secondary-soft);
  padding:5px 14px;border-radius:var(--r-pill);margin-bottom:16px;
}
.sec-link{font-size:15px;font-weight:600;color:var(--c-primary);border-bottom:1px solid transparent;transition:border-color .25s ease;}
.sec-link:hover{border-bottom-color:var(--c-primary);}

/* 顶部信息条 */
.topbar{background:var(--c-secondary);color:#EAF3F1;font-size:13px;line-height:36px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;}
.topbar-left{display:flex;align-items:center;gap:10px;color:#D6E7E3;}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block;}
.topbar-right{display:flex;align-items:center;gap:14px;}
.topbar-right a{color:#fff;font-weight:600;border-bottom:1px solid rgba(255,255,255,.45);}
.topbar-right a:hover{color:#fff;border-bottom-color:#fff;}
.topbar-divider{width:1px;height:14px;background:rgba(255,255,255,.3);display:inline-block;}

/* 主导航 */
.site-header{
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  position:sticky;top:0;z-index:1030;
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-1);background:rgba(255,255,255,.94);backdrop-filter:blur(8px);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px;}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:18px;color:var(--c-text);}
.brand:hover{color:var(--c-text);}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--c-primary);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;flex:0 0 auto;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text small{font-size:12px;font-weight:500;color:var(--c-muted);letter-spacing:.5px;}
.main-nav{display:flex;align-items:center;gap:6px;}
.main-nav a{
  position:relative;display:inline-block;padding:10px 12px;
  font-size:15px;font-weight:500;color:var(--c-text);border-radius:var(--r-sm);
  transition:color .2s ease,background .2s ease;
}
.main-nav a:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.main-nav a.active{color:var(--c-primary);font-weight:700;}
.main-nav a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--c-primary);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-md);font-size:15px;font-weight:600;
  border:1.5px solid transparent;transition:all .25s ease;line-height:1.2;
}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.btn-primary:hover{background:var(--c-primary-dark);border-color:var(--c-primary-dark);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:none;background:var(--c-primary-dark);}
.btn-outline{background:transparent;color:var(--c-text);border-color:var(--c-line);}
.btn-outline:hover{color:var(--c-primary);border-color:var(--c-primary);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-secondary{background:var(--c-secondary);border-color:var(--c-secondary);color:#fff;}
.btn-secondary:hover{background:#255a52;border-color:#255a52;color:#fff;transform:translateY(-1px);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-md);border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-text);font-size:20px;align-items:center;justify-content:center;
}
.nav-drawer{
  display:none;position:fixed;inset:0;z-index:1040;background:rgba(34,30,27,.4);
}
.nav-drawer.open{display:block;}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(84vw,360px);height:100%;background:var(--c-bg);
  padding:22px;overflow-y:auto;box-shadow:-10px 0 40px rgba(34,30,27,.18);
  animation:slideIn .28s ease;
}
@keyframes slideIn{from{transform:translateX(24px);opacity:.4}to{transform:translateX(0);opacity:1}}
.drawer-title{font-size:13px;font-weight:700;color:var(--c-muted);letter-spacing:1px;margin:18px 0 8px;}
.drawer-panel a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 14px;border-radius:var(--r-md);color:var(--c-text);font-weight:500;
  border:1px solid transparent;
}
.drawer-panel a:hover{background:var(--c-surface);border-color:var(--c-line);color:var(--c-primary);}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-md);border:1px solid var(--c-line);background:var(--c-surface);
  display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--c-text);
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;}

/* Hero */
.hero{
  position:relative;overflow:hidden;padding:76px 0 70px;
  background:var(--c-bg);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(620px 380px at 18% 8%,rgba(232,163,61,.16),transparent 70%),
    radial-gradient(560px 420px at 82% 22%,rgba(194,69,47,.12),transparent 72%),
    url('/assets/images/3cb56f5a3134c3e4.jpg') center/cover no-repeat;
  opacity:.55;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(251,247,242,.78),rgba(251,247,242,.96));pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:860px;margin:0 auto;text-align:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:var(--c-surface);border:1px solid var(--c-line);
  color:var(--c-secondary);font-size:13px;font-weight:600;padding:6px 16px;border-radius:var(--r-pill);
  box-shadow:var(--sh-1);margin-bottom:22px;
}
.hero h1{margin-bottom:20px;}
.hero-sub{font-size:17px;line-height:1.9;color:var(--c-muted);max-width:760px;margin:0 auto 30px;}
.hero-search{
  display:flex;gap:10px;max-width:640px;margin:0 auto 18px;
  background:var(--c-surface);padding:8px;border-radius:var(--r-lg);border:1px solid var(--c-line);box-shadow:var(--sh-1);
}
.hero-search input{
  flex:1;border:none;background:transparent;padding:10px 14px;border-radius:var(--r-md);color:var(--c-text);
}
.hero-search input:focus{outline:none;background:var(--c-surface-alt);}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;font-size:14px;color:var(--c-muted);margin-bottom:30px;}
.hero-chips a{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-pill);
  padding:5px 14px;font-size:13px;color:var(--c-text);transition:all .25s ease;
}
.hero-chips a:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:18px;}
.hero-note{font-size:13.5px;color:var(--c-muted);}

/* 指标看板 */
.metrics{padding:56px 0 88px;}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.metric-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px 22px;box-shadow:var(--sh-1);transition:all .25s ease;
}
.metric-card:hover{border-color:rgba(194,69,47,.3);box-shadow:var(--sh-2);transform:translateY(-3px);}
.metric-num{font-size:34px;font-weight:700;color:var(--c-primary);line-height:1.15;letter-spacing:-.5px;}
.metric-num span{font-size:16px;font-weight:600;color:var(--c-muted);margin-left:2px;}
.metric-name{font-size:15px;font-weight:600;margin-top:8px;}
.metric-note{font-size:13.5px;color:var(--c-muted);line-height:1.6;margin-top:4px;}

/* Bento 品类入口 */
.bento{display:grid;grid-template-columns:1.25fr 1fr;gap:24px;}
.bento-main{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:all .25s ease;
}
.bento-main:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:rgba(194,69,47,.3);}
.bento-media{aspect-ratio:4/3;background:var(--c-surface-alt);overflow:hidden;}
.bento-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.bento-main:hover .bento-media img{transform:scale(1.03);}
.bento-body{padding:26px;}
.bento-body h3{margin-bottom:10px;}
.bento-body p{font-size:15px;color:var(--c-muted);line-height:1.75;margin-bottom:14px;}
.bento-side{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.mini-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);transition:all .25s ease;
}
.mini-card:hover{border-color:rgba(194,69,47,.3);box-shadow:var(--sh-2);transform:translateY(-3px);}
.mini-icon{
  width:42px;height:42px;border-radius:var(--r-md);background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:14px;
}
.mini-card h3{font-size:17px;margin-bottom:8px;}
.mini-card p{font-size:14px;color:var(--c-muted);line-height:1.7;margin:0;}

/* 附近推荐 横条卡 */
.nearby-list{display:flex;flex-direction:column;gap:20px;}
.nearby-card{
  display:grid;grid-template-columns:3fr 7fr;gap:0;align-items:stretch;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);transition:all .25s ease;
}
.nearby-card:hover{border-color:rgba(194,69,47,.3);box-shadow:var(--sh-2);transform:translateY(-3px);}
.nearby-media{background:var(--c-surface-alt);overflow:hidden;min-height:150px;}
.nearby-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.nearby-card:hover .nearby-media img{transform:scale(1.04);}
.nearby-body{padding:24px 26px;display:flex;flex-direction:column;justify-content:center;}
.nearby-body h3{margin-bottom:8px;}
.nearby-body p{font-size:15px;color:var(--c-muted);line-height:1.75;margin-bottom:12px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-block;font-size:13px;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--c-secondary-soft);color:var(--c-secondary);font-weight:500;
}
.tag-warm{background:var(--c-primary-soft);color:var(--c-primary);}

/* 流程 */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.step-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px 22px;box-shadow:var(--sh-1);transition:all .25s ease;position:relative;
}
.step-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:rgba(194,69,47,.3);}
.step-num{
  font-size:38px;font-weight:700;color:transparent;-webkit-text-stroke:1.5px var(--c-primary);
  line-height:1;margin-bottom:14px;letter-spacing:-1px;
}
.step-card h3{font-size:17px;margin-bottom:8px;}
.step-card p{font-size:14px;color:var(--c-muted);line-height:1.7;margin:0;}

/* 里程碑 */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative;}
.timeline::before{
  content:"";position:absolute;left:6%;right:6%;top:19px;height:2px;
  background:linear-gradient(90deg,rgba(194,69,47,.35),rgba(47,107,98,.35));border-radius:2px;
}
.tl-item{position:relative;padding-top:56px;}
.tl-dot{
  position:absolute;top:8px;left:0;width:20px;height:20px;border-radius:50%;background:var(--c-surface);
  border:3px solid var(--c-primary);box-shadow:0 0 0 4px rgba(194,69,47,.1);
}
.tl-year{
  display:inline-block;font-size:13px;font-weight:700;color:var(--c-secondary);
  background:var(--c-secondary-soft);padding:3px 12px;border-radius:var(--r-pill);margin-bottom:10px;
}
.tl-item h3{font-size:16px;margin-bottom:6px;}
.tl-item p{font-size:14px;color:var(--c-muted);line-height:1.7;margin:0;}

/* 资讯 CMS */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);transition:all .25s ease;display:flex;flex-direction:column;height:100%;
}
.post-card:hover{border-color:rgba(194,69,47,.3);box-shadow:var(--sh-2);transform:translateY(-3px);}
.post-thumb{aspect-ratio:16/10;background:var(--c-surface-alt);overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-badge{
  align-self:flex-start;font-size:12.5px;font-weight:600;color:var(--c-secondary);
  background:var(--c-secondary-soft);padding:3px 12px;border-radius:var(--r-pill);
}
.post-title{font-size:17px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-title a{color:var(--c-text);}
.post-card:hover .post-title a{color:var(--c-primary);}
.post-excerpt{
  font-size:14px;color:var(--c-muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-muted);
}
.post-foot .read{font-weight:600;color:var(--c-primary);}
.news-empty{
  text-align:center;padding:56px 24px;background:var(--c-surface);border:1px dashed var(--c-line);
  border-radius:var(--r-lg);color:var(--c-muted);
}
.news-empty i{font-size:34px;color:var(--c-line);display:block;margin-bottom:12px;}

/* 保障 */
.guard-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;}
.guard-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.guard-item{
  padding:22px 24px;border-top:1px solid var(--c-line);display:flex;gap:14px;align-items:flex-start;
}
.guard-item:nth-child(1),.guard-item:nth-child(2){border-top:none;}
.guard-icon{
  flex:0 0 auto;width:38px;height:38px;border-radius:var(--r-md);background:var(--c-secondary-soft);
  color:var(--c-secondary);display:flex;align-items:center;justify-content:center;font-size:17px;
}
.guard-item h3{font-size:16px;margin-bottom:4px;}
.guard-item p{font-size:14px;color:var(--c-muted);line-height:1.7;margin:0;}

/* 口碑 */
.voice-scroll{display:flex;gap:20px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory;}
.voice-scroll::-webkit-scrollbar{height:6px;}
.voice-scroll::-webkit-scrollbar-thumb{background:var(--c-line);border-radius:3px;}
.voice-card{
  flex:0 0 300px;scroll-snap-align:start;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);position:relative;transition:all .25s ease;
}
.voice-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:rgba(194,69,47,.3);}
.voice-quote{font-size:26px;color:var(--c-primary);line-height:.8;margin-bottom:12px;font-weight:700;}
.voice-text{font-size:14.5px;color:var(--c-muted);line-height:1.75;margin-bottom:16px;}
.voice-user{display:flex;align-items:center;gap:10px;}
.avatar{
  width:36px;height:36px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;
}
.voice-user strong{font-size:14px;display:block;line-height:1.3;}
.stars{color:var(--c-accent);font-size:12.5px;letter-spacing:1px;}

/* 快速解答 */
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.quick-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--sh-1);
}
.quick-card h3{font-size:16.5px;margin-bottom:10px;}
.quick-card p{font-size:14.5px;color:var(--c-muted);line-height:1.75;margin:0;}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.accordion-item{
  background:transparent;border:none;border-top:1px solid var(--c-line);
}
.accordion-item:last-child{border-bottom:1px solid var(--c-line);}
.accordion-button{
  background:transparent;color:var(--c-text);font-weight:600;font-size:16px;
  padding:20px 8px;box-shadow:none;border-radius:0;
}
.accordion-button:not(.collapsed){background:transparent;color:var(--c-primary);box-shadow:none;}
.accordion-button:focus{box-shadow:none;outline:none;}
.accordion-button::after{
  background-image:none;content:"\F64D";font-family:"bootstrap-icons";font-size:16px;
  color:var(--c-muted);transition:transform .25s ease,color .25s ease;width:auto;height:auto;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--c-primary);}
.accordion-body{padding:0 8px 22px;font-size:15px;line-height:1.85;color:var(--c-muted);}

/* 表单 */
.join-wrap{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.join-benefits li{
  display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--c-muted);
  padding:10px 0;
}
.join-benefits i{color:var(--c-secondary);font-size:17px;margin-top:3px;}
.form-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh-1);
}
.form-label{font-size:14px;font-weight:600;margin-bottom:8px;color:var(--c-text);}
.form-control,.form-select{
  height:44px;border-radius:10px;border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-text);font-size:15px;padding:10px 14px;
}
.form-control:focus,.form-select:focus{
  border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(194,69,47,.14);background:var(--c-surface);
}
.chip-select{display:flex;flex-wrap:wrap;gap:10px;}
.chip-select label{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border:1px solid var(--c-line);
  border-radius:var(--r-pill);font-size:14px;color:var(--c-text);background:var(--c-surface);cursor:pointer;
  transition:all .22s ease;
}
.chip-select input{accent-color:var(--c-primary);margin:0;}
.chip-select label:hover{border-color:var(--c-primary);color:var(--c-primary);}
.form-note{font-size:13px;color:var(--c-muted);margin-top:14px;line-height:1.7;}

/* 信任条 */
.trust-bar{border-top:1px solid var(--c-line);padding:30px 0;}
.trust-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;font-size:14px;color:var(--c-muted);}
.trust-links{display:flex;gap:22px;}
.trust-links a{color:var(--c-muted);}
.trust-links a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px;}

/* 页脚 */
.site-footer{background:var(--c-surface-alt);color:var(--c-muted);border-top:1px solid var(--c-line);}
.footer-main{padding:64px 0 40px;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;color:var(--c-text);font-weight:700;font-size:17px;}
.footer-col h4{font-size:15px;color:var(--c-text);margin-bottom:16px;}
.footer-col li{margin-bottom:10px;font-size:14px;}
.footer-col a{color:var(--c-muted);}
.footer-col a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px;}
.footer-desc{font-size:14px;line-height:1.8;max-width:340px;}
.qr-box{
  width:104px;height:104px;border-radius:var(--r-md);background:var(--c-surface);border:1px dashed var(--c-line);
  display:flex;align-items:center;justify-content:center;color:var(--c-line);font-size:30px;margin-top:12px;
}
.footer-bottom{
  border-top:1px solid var(--c-line);padding:20px 0;font-size:13px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
}

/* 响应式 */
@media (max-width:1199.98px){
  .metric-grid{grid-template-columns:repeat(4,1fr);gap:18px;}
  .step-grid{gap:18px;}
  .timeline{grid-template-columns:repeat(5,1fr);gap:14px;}
}
@media (max-width:991.98px){
  .main-nav{display:none;}
  .nav-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .section{padding:64px 0;}
  .metrics{padding:44px 0 64px;}
  .bento{grid-template-columns:1fr;}
  .bento-side{grid-template-columns:1fr 1fr;}
  .step-grid{grid-template-columns:1fr 1fr;}
  .timeline{grid-template-columns:1fr;gap:0;}
  .timeline::before{left:9px;right:auto;top:10px;bottom:10px;width:2px;height:auto;
    background:linear-gradient(180deg,rgba(194,69,47,.35),rgba(47,107,98,.35));}
  .tl-item{padding:0 0 26px 36px;min-height:auto;}
  .tl-dot{left:0;top:4px;}
  .news-grid{grid-template-columns:1fr 1fr;}
  .guard-wrap{grid-template-columns:1fr;gap:26px;}
  .guard-grid{grid-template-columns:1fr 1fr;}
  .faq-wrap{grid-template-columns:1fr;gap:26px;}
  .join-wrap{grid-template-columns:1fr;gap:32px;}
  .quick-grid{grid-template-columns:1fr;}
  .footer-main{grid-template-columns:1fr 1fr;gap:30px;}
  .topbar-left span.topbar-hide{display:none;}
}
@media (max-width:767.98px){
  .section{padding:48px 0;}
  .hero{padding:52px 0 46px;}
  .hero-sub{font-size:16px;}
  .hero-search{flex-direction:column;}
  .hero-search .btn{width:100%;}
  .metric-grid{grid-template-columns:1fr 1fr;gap:14px;}
  .metric-num{font-size:27px;}
  .bento-side{grid-template-columns:1fr;}
  .nearby-card{grid-template-columns:1fr;}
  .nearby-media{aspect-ratio:16/9;min-height:auto;}
  .step-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .guard-grid{grid-template-columns:1fr;}
  .guard-item{border-top:1px solid var(--c-line) !important;padding:18px 0;}
  .guard-item:first-child{border-top:1px solid var(--c-line) !important;}
  .form-card{padding:22px;}
  .footer-main{grid-template-columns:1fr;gap:26px;padding:44px 0 30px;}
  .trust-inner{flex-direction:column;align-items:flex-start;}
  .topbar{font-size:12px;}
  .topbar-right{gap:10px;}
}
@media (max-width:519.98px){
  .container{padding:0 16px;}
  .hero-actions .btn{width:100%;}
  .voice-card{flex:0 0 84vw;}
  .metric-grid{grid-template-columns:1fr 1fr;}
}

/* roulang page: article */
:root{
  --c-primary:#C2452F;
  --c-primary-dark:#9B3323;
  --c-primary-soft:#F7E6E1;
  --c-secondary:#2F6B62;
  --c-secondary-soft:#E4EFEC;
  --c-accent:#E8A33D;
  --c-bg:#FBF7F2;
  --c-surface:#FFFFFF;
  --c-surface-alt:#F3EBE2;
  --c-line:#E5D9CD;
  --c-text:#221E1B;
  --c-muted:#6C625B;
  --c-invert:#FFFDFB;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(34,30,27,.05);
  --sh-2:0 10px 30px rgba(34,30,27,.08);
  --bs-primary:#C2452F;
  --bs-body-bg:#FBF7F2;
  --bs-body-color:#221E1B;
  --bs-border-color:#E5D9CD;
  --bs-link-color:#C2452F;
  --bs-link-hover-color:#9B3323;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--c-primary-dark);}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-text);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* 顶部信息条 */
.topbar{background:var(--c-secondary);color:#EAF3F1;font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.topbar-left{display:flex;align-items:center;gap:10px;color:#D6E7E3;white-space:nowrap;overflow:hidden;}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);flex:0 0 auto;}
.topbar-right{display:flex;align-items:center;gap:14px;white-space:nowrap;}
.topbar-right a{color:#fff;font-weight:600;border-bottom:1px solid rgba(255,255,255,.45);}
.topbar-right a:hover{color:#fff;border-bottom-color:#fff;}
.topbar-divider{width:1px;height:14px;background:rgba(255,255,255,.3);display:inline-block;}

/* 主导航 */
.site-header{background:var(--c-surface);border-bottom:1px solid var(--c-line);position:sticky;top:0;z-index:1030;transition:box-shadow .25s ease,background .25s ease;}
.site-header.is-stuck{box-shadow:var(--sh-1);background:rgba(255,255,255,.95);backdrop-filter:blur(8px);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px;}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:18px;color:var(--c-text);}
.brand:hover{color:var(--c-text);}
.brand-mark{width:40px;height:40px;border-radius:12px;background:var(--c-primary);display:flex;align-items:center;justify-content:center;color:#fff;font-size:19px;flex:0 0 auto;box-shadow:var(--sh-1);}
.brand-text{display:flex;flex-direction:column;line-height:1.2;font-size:18px;font-weight:700;}
.brand-text small{font-size:12px;font-weight:500;color:var(--c-muted);letter-spacing:.5px;}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{position:relative;display:inline-block;padding:10px 12px;font-size:15px;font-weight:500;color:var(--c-text);border-radius:var(--r-sm);transition:color .2s ease,background .2s ease;}
.main-nav a:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.main-nav a.active{color:var(--c-primary);font-weight:700;}
.main-nav a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--c-primary);border-radius:2px;}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--r-md);border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-text);font-size:20px;align-items:center;justify-content:center;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:var(--r-md);font-size:15px;font-weight:600;border:1.5px solid transparent;transition:all .25s ease;line-height:1.2;text-align:center;}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.btn-primary:hover{background:var(--c-primary-dark);border-color:var(--c-primary-dark);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:none;background:var(--c-primary-dark);}
.btn-outline{background:transparent;color:var(--c-text);border-color:var(--c-line);}
.btn-outline:hover{color:var(--c-primary);border-color:var(--c-primary);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(194,69,47,.28);}

/* 抽屉菜单 */
.nav-drawer{display:none;position:fixed;inset:0;z-index:1040;background:rgba(34,30,27,.42);}
.nav-drawer.open{display:block;}
.drawer-panel{position:absolute;top:0;right:0;width:min(84vw,360px);height:100%;background:var(--c-bg);padding:22px;overflow-y:auto;box-shadow:-10px 0 40px rgba(34,30,27,.18);animation:drawerIn .28s ease;}
@keyframes drawerIn{from{transform:translateX(24px);opacity:.4;}to{transform:translateX(0);opacity:1;}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px;}
.drawer-close{width:40px;height:40px;border-radius:var(--r-md);border:1px solid var(--c-line);background:var(--c-surface);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--c-text);}
.drawer-close:hover{color:var(--c-primary);border-color:var(--c-primary);}
.drawer-title{font-size:13px;font-weight:700;color:var(--c-muted);letter-spacing:1px;margin:18px 0 8px;}
.drawer-panel a{display:flex;align-items:center;justify-content:space-between;padding:13px 14px;border-radius:var(--r-md);color:var(--c-text);font-weight:500;border:1px solid transparent;}
.drawer-panel a:hover{background:var(--c-surface);border-color:var(--c-line);color:var(--c-primary);}

/* 面包屑 */
.crumbs-bar{background:var(--c-surface);border-bottom:1px solid var(--c-line);}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);padding:14px 0;}
.crumbs a{color:var(--c-muted);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs .sep{color:#C9B8A8;}
.crumbs .current{color:var(--c-text);font-weight:600;}

/* 文章头 */
.article-shell{max-width:820px;margin:0 auto;}
.article-head{padding:54px 0 30px;}
.badge-soft{display:inline-block;font-size:13px;font-weight:600;color:var(--c-secondary);background:var(--c-secondary-soft);padding:5px 14px;border-radius:var(--r-pill);}
.article-head h1{font-size:clamp(26px,3.6vw,40px);line-height:1.32;margin:18px 0 20px;letter-spacing:-.2px;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;font-size:14px;color:var(--c-muted);}
.meta-row span{display:inline-flex;align-items:center;gap:6px;}
.meta-row i{color:var(--c-primary);}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--c-line);}

/* 板块 */
.sec{padding:56px 0;position:relative;}
.sec.alt{background:var(--c-surface-alt);}
.sec-head{max-width:760px;margin-bottom:32px;}
.sec-head h2{font-size:clamp(21px,2.4vw,27px);line-height:1.4;margin-bottom:10px;}
.sec-head p{color:var(--c-muted);font-size:15px;margin:0;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-secondary);background:var(--c-secondary-soft);padding:5px 14px;border-radius:var(--r-pill);margin-bottom:14px;}

/* 要点摘要卡 */
.summary-card{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px 28px 26px 34px;box-shadow:var(--sh-1);}
.summary-card::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:4px;border-radius:0 4px 4px 0;background:var(--c-primary);}
.summary-card h2{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.summary-card h2 i{color:var(--c-primary);}
.summary-card ul{display:grid;gap:8px;}
.summary-card li{position:relative;padding-left:20px;font-size:15px;color:var(--c-muted);line-height:1.8;}
.summary-card li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--c-accent);}

/* 正文排版 */
.article-body{font-size:17px;line-height:1.9;color:#2B2622;word-break:break-word;}
.article-body p{margin:0 0 1.1em;}
.article-body h2{font-size:clamp(20px,2.4vw,24px);line-height:1.45;margin:2.2em 0 .8em;padding-left:14px;border-left:4px solid var(--c-primary);}
.article-body h3{font-size:19px;line-height:1.5;margin:1.6em 0 .6em;}
.article-body h4{font-size:17px;margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{padding-left:1.5em;margin:0 0 1.1em;list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.5em;line-height:1.85;}
.article-body blockquote{margin:1.4em 0;padding:16px 22px;background:var(--c-surface-alt);border-left:3px solid var(--c-primary);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--c-muted);font-size:16px;}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:1.2em 0 .5em;height:auto;}
.article-body figure{margin:1.4em 0;}
.article-body figcaption{font-size:13px;color:var(--c-muted);text-align:center;line-height:1.7;}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(194,69,47,.35);}
.article-body a:hover{border-bottom-color:var(--c-primary);}
.article-body table{width:100%;border-collapse:collapse;margin:1.3em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 12px;text-align:left;}
.article-body th{background:var(--c-surface-alt);font-weight:700;}
.article-body code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:14px;background:var(--c-surface-alt);padding:2px 6px;border-radius:6px;}
.article-body pre{background:#2B2622;color:#F5EFE9;padding:18px;border-radius:var(--r-md);overflow-x:auto;font-size:14px;line-height:1.7;}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:2em 0;}

/* 空状态 */
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:14px;padding:60px 24px;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-lg);}
.empty-state i{font-size:38px;color:#C9B8A8;}
.empty-state h2{font-size:19px;}
.empty-state p{color:var(--c-muted);font-size:15px;margin:0;}

/* 提示块 */
.tip-box{display:flex;gap:16px;padding:20px 22px;border-radius:var(--r-md);border:1px solid var(--c-line);background:var(--c-surface);align-items:flex-start;}
.tip-box.tip-info{background:var(--c-secondary-soft);border-color:#CFE3DE;}
.tip-box.tip-warn{background:var(--c-primary-soft);border-color:#EFD6CF;}
.tip-icon{flex:0 0 auto;width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff;}
.tip-info .tip-icon{background:var(--c-secondary);}
.tip-warn .tip-icon{background:var(--c-primary);}
.tip-box h3{font-size:16px;margin-bottom:6px;}
.tip-box p{margin:0;font-size:15px;color:var(--c-muted);line-height:1.8;}

/* 标签 */
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);background:var(--c-surface);border:1px solid var(--c-line);font-size:13px;color:var(--c-muted);transition:all .25s ease;}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);}

/* 相关推荐 */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.related-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#E6BCB0;}
.related-thumb{aspect-ratio:16/10;background:var(--c-surface-alt);overflow:hidden;}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.related-card:hover .related-thumb img{transform:scale(1.03);}
.related-body{padding:20px;}
.related-body h3{font-size:17px;line-height:1.5;margin:10px 0 8px;}
.related-body p{font-size:14px;color:var(--c-muted);line-height:1.75;margin:0;}
.badge-line{font-size:12px;font-weight:600;color:var(--c-secondary);background:var(--c-secondary-soft);padding:4px 12px;border-radius:var(--r-pill);display:inline-block;}

/* 返回条 */
.back-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding:24px 28px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);}
.back-bar p{margin:0;color:var(--c-muted);font-size:15px;}

/* 页脚 */
.site-footer{background:var(--c-surface-alt);border-top:1px solid var(--c-line);padding:56px 0 0;margin-top:0;}
.footer-main{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--c-text);margin-bottom:14px;}
.footer-desc{font-size:14px;line-height:1.85;color:var(--c-muted);margin:0;max-width:340px;}
.footer-col h4{font-size:15px;margin-bottom:14px;color:var(--c-text);}
.footer-col ul{display:grid;gap:10px;}
.footer-col li{font-size:14px;color:var(--c-muted);line-height:1.7;}
.footer-col a{color:var(--c-muted);}
.footer-col a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.qr-box{width:76px;height:76px;border-radius:var(--r-md);background:var(--c-surface);border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;font-size:30px;color:#C9B8A8;margin-top:14px;}
.footer-bottom{border-top:1px solid var(--c-line);padding:18px 0 22px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--c-muted);}

/* 响应式 */
@media (max-width:991.98px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .footer-main{grid-template-columns:1fr 1fr;gap:28px;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .sec{padding:48px 0;}
  .article-head{padding:42px 0 26px;}
}
@media (max-width:767.98px){
  .topbar-left{display:none;}
  .topbar-inner{justify-content:flex-end;}
  .related-grid{grid-template-columns:1fr;}
  .footer-main{grid-template-columns:1fr;}
  .summary-card{padding:22px 20px 22px 26px;}
  .sec{padding:40px 0;}
  .article-body{font-size:16px;line-height:1.85;}
  .back-bar{padding:20px;}
}
@media (max-width:575.98px){
  .container{padding:0 16px;}
  .brand-text small{display:none;}
  .brand-text{font-size:16px;}
  .meta-row{font-size:13px;gap:8px 14px;}
  .tip-box{flex-direction:column;gap:10px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#C2452F;
  --c-primary-dark:#9B3323;
  --c-primary-soft:#F7E6E1;
  --c-secondary:#2F6B62;
  --c-secondary-soft:#E4EFEC;
  --c-accent:#E8A33D;
  --c-bg:#FBF7F2;
  --c-surface:#FFFFFF;
  --c-surface-alt:#F3EBE2;
  --c-line:#E5D9CD;
  --c-text:#221E1B;
  --c-muted:#6C625B;
  --c-invert:#FFFDFB;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(34,30,27,.05);
  --sh-2:0 10px 30px rgba(34,30,27,.08);
  --bs-primary:#C2452F;
  --bs-body-bg:#FBF7F2;
  --bs-body-color:#221E1B;
  --bs-border-color:#E5D9CD;
  --bs-link-color:#C2452F;
  --bs-link-hover-color:#9B3323;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--c-primary-dark);}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-text);}
h1{font-size:clamp(28px,4vw,42px);line-height:1.28;}
h2{font-size:clamp(23px,3vw,32px);line-height:1.35;}
h3{font-size:19px;line-height:1.5;}
p{margin:0 0 12px;}
input,button,textarea,select{font-family:inherit;font-size:16px;}
button{cursor:pointer;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;width:100%;}
.section{padding:88px 0;position:relative;}
.section.alt{background:var(--c-surface-alt);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--c-muted);font-size:17px;line-height:1.8;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-secondary);
  background:var(--c-secondary-soft);
  padding:5px 14px;border-radius:var(--r-pill);margin-bottom:16px;
}
/* 顶部信息条 */
.topbar{background:var(--c-secondary);color:#EAF3F1;font-size:13px;line-height:36px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;}
.topbar-left{display:flex;align-items:center;gap:10px;color:#D6E7E3;}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block;}
.topbar-right{display:flex;align-items:center;gap:14px;}
.topbar-right a{color:#fff;font-weight:600;border-bottom:1px solid rgba(255,255,255,.45);}
.topbar-right a:hover{color:#fff;border-bottom-color:#fff;}
.topbar-divider{width:1px;height:14px;background:rgba(255,255,255,.3);display:inline-block;}
/* 主导航 */
.site-header{
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  position:sticky;top:0;z-index:1030;
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-1);background:rgba(255,255,255,.94);backdrop-filter:blur(8px);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px;}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:18px;color:var(--c-text);}
.brand:hover{color:var(--c-text);}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--c-primary);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;flex:0 0 auto;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text small{font-size:12px;font-weight:500;color:var(--c-muted);letter-spacing:.5px;}
.main-nav{display:flex;align-items:center;gap:6px;}
.main-nav a{
  position:relative;display:inline-block;padding:10px 12px;
  font-size:15px;font-weight:500;color:var(--c-text);border-radius:var(--r-sm);
  transition:color .2s ease,background .2s ease;
}
.main-nav a:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.main-nav a.active{color:var(--c-primary);font-weight:700;}
.main-nav a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--c-primary);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-md);font-size:15px;font-weight:600;
  border:1.5px solid transparent;transition:all .25s ease;line-height:1.2;
}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.btn-primary:hover{background:var(--c-primary-dark);border-color:var(--c-primary-dark);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:none;background:var(--c-primary-dark);}
.btn-outline{background:transparent;color:var(--c-text);border-color:var(--c-line);}
.btn-outline:hover{color:var(--c-primary);border-color:var(--c-primary);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(194,69,47,.25);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-md);border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-text);font-size:20px;align-items:center;justify-content:center;
}
.nav-drawer{display:none;position:fixed;inset:0;z-index:1040;background:rgba(34,30,27,.4);}
.nav-drawer.open{display:block;}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(84vw,360px);height:100%;background:var(--c-bg);
  padding:22px;overflow-y:auto;box-shadow:-10px 0 40px rgba(34,30,27,.18);
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px;}
.drawer-title{font-size:13px;font-weight:700;color:var(--c-muted);letter-spacing:1px;margin:18px 0 8px;}
.drawer-panel a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 14px;border-radius:var(--r-md);color:var(--c-text);font-weight:500;
  border:1px solid transparent;
}
.drawer-panel a:hover{background:var(--c-surface);border-color:var(--c-line);color:var(--c-primary);}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-md);border:1px solid var(--c-line);background:var(--c-surface);
  display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--c-text);
}
/* 分类页头 */
.cat-head-wrap{max-width:860px;}
.breadcrumb-line{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:14px;color:var(--c-muted);margin-bottom:20px;
}
.breadcrumb-line a{color:var(--c-muted);}
.breadcrumb-line a:hover{color:var(--c-primary);}
.breadcrumb-line i{font-size:11px;color:#B7A79A;}
.cat-title{margin-bottom:18px;}
.cat-title .hl{color:var(--c-primary);}
.cat-lead{font-size:17px;line-height:1.85;color:var(--c-muted);margin:0 0 10px;}
.cat-meta{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  margin-top:28px;padding-top:24px;border-top:1px solid var(--c-line);
}
.count-pill{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-pill);
  padding:6px 16px;font-size:14px;font-weight:600;color:var(--c-secondary);
}
.count-pill b{color:var(--c-primary);font-size:17px;}
.filter-tags{display:flex;gap:8px;flex-wrap:wrap;}
.tag-pill{
  display:inline-flex;align-items:center;
  background:var(--c-primary-soft);color:var(--c-primary);
  border-radius:var(--r-pill);padding:5px 14px;font-size:13px;font-weight:600;
  border:1px solid transparent;transition:all .2s ease;
}
.tag-pill:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.tag-pill.ghost{background:var(--c-surface);color:var(--c-muted);border-color:var(--c-line);}
.tag-pill.ghost:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-surface);}
/* 精选大卡 */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.feature-card{
  display:grid;grid-template-columns:5fr 7fr;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);transition:all .25s ease;
}
.feature-card:hover{border-color:rgba(194,69,47,.35);box-shadow:var(--sh-2);transform:translateY(-3px);}
.feature-media{position:relative;overflow:hidden;background:var(--c-surface-alt);min-height:100%;}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.feature-card:hover .feature-media img{transform:scale(1.04);}
.feature-body{padding:26px 24px;display:flex;flex-direction:column;gap:10px;}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  background:var(--c-secondary-soft);color:var(--c-secondary);
  border-radius:var(--r-pill);padding:4px 12px;font-size:13px;font-weight:600;
}
.feature-body h3{font-size:19px;line-height:1.5;}
.feature-body p{font-size:15px;line-height:1.8;color:var(--c-muted);margin:0;}
.feature-time{
  margin-top:auto;display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--c-muted);padding-top:6px;
}
.feature-time i{color:var(--c-accent);}
/* 列表卡片 */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.item-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);transition:all .25s ease;
  display:flex;flex-direction:column;gap:10px;
}
.item-card:hover{border-color:rgba(194,69,47,.35);box-shadow:var(--sh-2);transform:translateY(-3px);}
.item-card h3{font-size:18px;line-height:1.5;}
.item-card p{
  font-size:15px;line-height:1.8;color:var(--c-muted);margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.item-foot{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--c-muted);
}
.list-more{text-align:center;margin-top:40px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--c-primary);
  border-bottom:1px solid rgba(194,69,47,.35);padding-bottom:2px;
}
.link-more:hover{border-bottom-color:var(--c-primary);color:var(--c-primary-dark);}
/* 术语速查 */
.terms{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px;}
.term-item{padding:20px 0;border-bottom:1px solid var(--c-line);}
.term-item dt{font-size:16px;font-weight:700;color:var(--c-text);margin-bottom:6px;}
.term-item dd{margin:0;font-size:15px;line-height:1.8;color:var(--c-muted);}
/* 选择标准 */
.std-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.std-list{display:flex;flex-direction:column;gap:0;}
.std-item{
  display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--c-line);
}
.std-item:last-child{border-bottom:0;}
.std-ico{
  width:32px;height:32px;flex:0 0 auto;border-radius:50%;
  background:var(--c-secondary-soft);color:var(--c-secondary);
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.std-item h4{font-size:16px;margin-bottom:4px;}
.std-item p{font-size:15px;line-height:1.8;color:var(--c-muted);margin:0;}
/* 误区 */
.myth-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.myth-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:26px 24px 24px 28px;box-shadow:var(--sh-1);
  transition:all .25s ease;overflow:hidden;
}
.myth-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--c-primary);opacity:.75;
}
.myth-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:rgba(194,69,47,.3);}
.myth-card .m-ico{color:var(--c-primary);font-size:20px;margin-bottom:10px;display:block;}
.myth-card h3{font-size:17px;margin-bottom:8px;}
.myth-card p{font-size:15px;line-height:1.8;color:var(--c-muted);margin:0;}
/* FAQ */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-side h2{margin-bottom:12px;}
.faq-side p{color:var(--c-muted);font-size:15px;line-height:1.8;margin:0;}
.cat-accordion .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--c-line);border-radius:0;}
.cat-accordion .accordion-item:first-of-type{border-top:1px solid var(--c-line);}
.cat-accordion .accordion-button{
  background:transparent;color:var(--c-text);font-weight:600;font-size:16px;
  padding:20px 0;box-shadow:none;border-radius:0;line-height:1.6;
}
.cat-accordion .accordion-button:not(.collapsed){color:var(--c-primary);background:transparent;box-shadow:none;}
.cat-accordion .accordion-button:focus{box-shadow:none;border-color:transparent;}
.cat-accordion .accordion-button::after{
  width:16px;height:16px;background-size:16px;
  filter:invert(35%) sepia(38%) saturate(1400%) hue-rotate(340deg) brightness(88%) contrast(92%);
  transition:transform .25s ease;
}
.cat-accordion .accordion-body{padding:0 0 22px;color:var(--c-muted);font-size:15px;line-height:1.85;}
/* 相关推荐 */
.more-grid{display:grid;grid-template-columns:8fr 4fr;gap:48px;align-items:center;}
.rel-list{list-style:none;margin:0;padding:0;}
.rel-list li{
  padding:16px 0 16px 0;border-bottom:1px solid var(--c-line);
  display:flex;align-items:center;gap:12px;font-size:16px;font-weight:500;color:var(--c-text);
  transition:all .2s ease;
}
.rel-list li:hover{color:var(--c-primary);padding-left:6px;}
.rel-list li i{color:var(--c-accent);font-size:13px;}
.rel-cta{
  background:var(--c-surface-alt);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:32px 28px;text-align:left;
}
.rel-cta h3{font-size:18px;margin-bottom:10px;}
.rel-cta p{font-size:15px;line-height:1.8;color:var(--c-muted);margin-bottom:20px;}
/* 页脚 */
.site-footer{background:var(--c-surface-alt);border-top:1px solid var(--c-line);padding:64px 0 0;}
.footer-main{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--c-text);margin-bottom:14px;}
.footer-desc{font-size:14px;line-height:1.85;color:var(--c-muted);margin:0;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--c-text);}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{font-size:14px;color:var(--c-muted);line-height:2;}
.footer-col li a{color:var(--c-muted);}
.footer-col li a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px;}
.qr-box{
  margin-top:14px;width:82px;height:82px;border-radius:var(--r-md);
  background:var(--c-surface);border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;font-size:34px;color:#C9B8A9;
}
.footer-bottom{
  border-top:1px solid var(--c-line);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--c-muted);
}
/* 响应式 */
@media (max-width:1199px){
  .container{max-width:100%;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .nav-actions .btn{display:none;}
  .feature-grid{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .myth-grid{grid-template-columns:1fr;}
  .std-grid,.faq-grid,.more-grid{grid-template-columns:1fr;gap:32px;}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .section{padding:48px 0;}
  .feature-card{grid-template-columns:1fr;}
  .feature-media{aspect-ratio:16/10;min-height:0;}
  .feature-media img{height:100%;}
  .card-grid{grid-template-columns:1fr;}
  .terms{grid-template-columns:1fr;gap:0;}
  .topbar-left span.topbar-tip{display:none;}
  .footer-main{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cat-meta{gap:10px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .item-card{padding:20px;}
  .feature-body{padding:20px;}
  .brand-text small{display:none;}
  .footer-bottom span{font-size:12px;}
}