/* roulang page: index */
:root{
  --c-primary:#0F5C5A;
  --c-primary-dark:#0A3F3E;
  --c-primary-light:#E6F0EF;
  --c-primary-mid:#1E7A77;
  --c-accent:#D2603A;
  --c-accent-hover:#B84F2E;
  --c-accent-light:#FBEDE7;
  --c-gold:#E8A33D;
  --c-bg:#F7F5F0;
  --c-card:#FFFFFF;
  --c-dark:#0B1F1E;
  --c-soft:#F0EEE8;
  --t-main:#17161A;
  --t-sub:#4A4A52;
  --t-weak:#7C7C86;
  --t-invert:rgba(255,255,255,.86);
  --b-line:#E4E1DA;
  --b-line-dark:rgba(255,255,255,.12);
  --ok:#2F7D5C;
  --warn:#C9871F;
  --err:#B4433A;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(11,31,30,.06);
  --sh-2:0 8px 24px rgba(11,31,30,.08);
  --sh-3:0 18px 44px rgba(11,31,30,.12);
  --gap:24px;
  --font-ui:system-ui,-apple-system,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-serif:"Noto Serif SC",Songti SC,serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-ui);
  font-size:16px;
  line-height:1.85;
  color:var(--t-main);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--c-primary);text-decoration:none;}
a:hover{color:var(--c-primary-mid);}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:999;
  background:var(--c-primary);color:#fff;padding:10px 18px;border-radius:0 0 var(--r-btn) 0;
}
.skip-link:focus{left:0;color:#fff;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{position:relative;z-index:60;background:var(--c-bg);}
.topbar{
  background:#fff;border-bottom:1px solid var(--b-line);
  transition:max-height .25s ease,opacity .25s ease;
  max-height:60px;overflow:hidden;
}
.topbar.compact{max-height:0;opacity:0;border-bottom-color:transparent;}
.topbar-inner{
  display:flex;align-items:center;gap:18px;height:56px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:28px;height:28px;flex-shrink:0;}
.brand-name{
  font-size:19px;font-weight:800;letter-spacing:.4px;color:var(--c-primary-dark);
}
.brand-name span{color:var(--c-accent);}
.top-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.search-wrap{position:relative;}
.search-toggle{
  display:flex;align-items:center;gap:6px;background:var(--c-soft);
  border:1px solid var(--b-line);border-radius:999px;padding:6px 14px;
  font-size:14px;color:var(--t-sub);cursor:pointer;transition:all .18s ease;
}
.search-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}
.search-panel{
  display:none;position:absolute;right:0;top:44px;width:330px;background:#fff;
  border:1px solid var(--b-line);border-radius:var(--r-card);padding:14px;
  box-shadow:var(--sh-2);
}
.search-panel.open{display:block;}
.search-input{
  width:100%;border:1px solid var(--b-line);border-radius:var(--r-btn);
  padding:10px 14px;background:#fff;font-size:15px;transition:border-color .18s,box-shadow .18s;
}
.search-input::placeholder{color:var(--t-weak);}
.search-input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,92,90,.12);}
.search-suggest{margin-top:12px;}
.search-suggest li{margin-bottom:6px;}
.search-suggest a{
  display:block;font-size:14px;color:var(--t-sub);padding:6px 8px;border-radius:8px;
}
.search-suggest a:hover{background:var(--c-primary-light);color:var(--c-primary);}
.text-link{font-size:14px;color:var(--c-primary);}
.menu-btn{
  display:none;background:#fff;border:1px solid var(--b-line);border-radius:var(--r-btn);
  padding:7px 12px;cursor:pointer;font-size:14px;color:var(--t-sub);
}
.menu-btn:hover{border-color:var(--c-primary);color:var(--c-primary);}

.channelbar{
  position:sticky;top:0;z-index:55;
  background:rgba(247,245,240,.92);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--b-line);
}
.channel-inner{display:flex;align-items:center;gap:20px;height:56px;}
.nav-links{display:flex;align-items:center;gap:26px;flex-shrink:0;}
.nav-link{
  position:relative;font-size:15px;color:var(--t-sub);padding:16px 0;display:inline-block;
  transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transition:transform .2s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.hot-zone{margin-left:auto;display:flex;align-items:center;gap:10px;overflow:hidden;}
.hot-label{font-size:12px;color:var(--t-weak);flex-shrink:0;}
.hot-words{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;}
.hot-words::-webkit-scrollbar{display:none;}
.hot-chip{
  font-size:12px;padding:4px 11px;border-radius:999px;border:1px solid var(--b-line);
  background:#fff;color:var(--t-sub);white-space:nowrap;transition:all .18s ease;
}
.hot-chip:hover{background:var(--c-primary-light);border-color:var(--c-primary);color:var(--c-primary);}
.mobile-drawer{display:none;border-top:1px solid var(--b-line);background:#fff;}
.mobile-drawer.open{display:block;}
.mobile-drawer a{display:block;padding:13px 24px;font-size:15px;color:var(--t-sub);border-bottom:1px solid var(--b-line);}
.mobile-drawer a.active{color:var(--c-primary);font-weight:600;background:var(--c-primary-light);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  cursor:pointer;border:1px solid transparent;transition:all .18s ease;line-height:1.2;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--c-accent);color:#fff;}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-outline:hover{background:rgba(15,92,90,.06);color:var(--c-primary);}
.btn-light{background:#fff;color:var(--c-primary-dark);}
.btn-light:hover{background:var(--c-primary-light);color:var(--c-primary-dark);}
.btn-ghost-light{border-color:rgba(255,255,255,.5);color:rgba(255,255,255,.92);background:transparent;}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- hero ---------- */
.hero{padding:56px 0 64px;background:linear-gradient(180deg,#FFFFFF 0%,var(--c-bg) 100%);border-bottom:1px solid var(--b-line);}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--c-primary);
  background:var(--c-primary-light);padding:5px 14px;border-radius:999px;margin-bottom:18px;
}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:block;}
.hero-title{
  font-family:var(--font-serif);font-size:clamp(30px,4.4vw,46px);line-height:1.25;
  color:var(--c-primary-dark);letter-spacing:.5px;
}
.hero-sub{margin-top:18px;font-size:18px;color:var(--t-sub);max-width:36em;}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.trust-tags{margin-top:20px;font-size:12px;color:var(--t-weak);letter-spacing:.3px;}
.trust-tags span{margin:0 4px;}
.hero-figure{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:16/10;background:var(--c-primary-light);}
.hero-figure img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.hero-figure::after{
  content:"";position:absolute;inset:0;background:linear-gradient(140deg,rgba(15,92,90,.20),rgba(15,92,90,0) 62%);
}
.hero-figure.no-img::before{
  content:"贝";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:120px;color:rgba(15,92,90,.16);
}

/* ---------- section ---------- */
.section{padding:76px 0;}
.section.tight{padding:64px 0;}
.section-soft{background:var(--c-soft);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  padding-bottom:18px;border-bottom:1px solid var(--b-line);margin-bottom:32px;
}
.section-title{font-size:clamp(22px,2.4vw,30px);color:var(--c-primary-dark);}
.section-note{font-size:13px;color:var(--t-weak);margin-top:6px;}
.more-link{font-size:14px;color:var(--c-primary);white-space:nowrap;display:inline-flex;align-items:center;gap:4px;}
.more-link:hover{gap:8px;}

/* ---------- story ---------- */
.story-grid{display:grid;grid-template-columns:8fr 4fr;gap:48px;align-items:start;}
.principles{display:grid;gap:22px;}
.principle{display:grid;grid-template-columns:56px 1fr;gap:16px;align-items:start;}
.p-num{
  font-family:var(--font-serif);font-size:28px;font-weight:700;color:var(--c-primary);
  line-height:1;padding-top:4px;
}
.principle h3{font-size:18px;margin-bottom:6px;color:var(--t-main);}
.principle p{font-size:15px;line-height:1.8;color:var(--t-sub);}
.story-figure{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.story-figure img{width:100%;aspect-ratio:3/2;object-fit:cover;}
.timeline{margin-top:24px;border-left:1px solid var(--b-line);padding-left:20px;}
.tl-item{position:relative;padding-bottom:20px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-25px;top:6px;width:9px;height:9px;border-radius:50%;
  background:var(--c-primary);border:2px solid var(--c-bg);
}
.tl-item strong{display:block;font-size:15px;color:var(--t-main);}
.tl-item span{font-size:13px;color:var(--t-weak);}

/* ---------- cards ---------- */
.card{
  background:var(--c-card);border:1px solid var(--b-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.card:hover .card-title a{color:var(--c-primary);}
.card-body{padding:18px 20px 20px;}
.card-title{font-size:18px;line-height:1.5;}
.card-title a{color:var(--t-main);transition:color .18s ease;}
.card-sum{
  font-size:15px;line-height:1.8;color:var(--t-sub);margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card .cover{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.chip{
  display:inline-block;font-size:12px;padding:3px 10px;border-radius:999px;
  background:var(--c-primary-light);color:var(--c-primary);margin-bottom:10px;
}
.meta{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t-weak);margin-top:14px;
}
.meta .dot{width:3px;height:3px;border-radius:50%;background:var(--t-weak);display:block;}

.picks{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch;}
.pick-main{display:flex;flex-direction:column;}
.pick-main .cover{aspect-ratio:16/9;}
.pick-main .card-body{padding:22px 24px 24px;}
.pick-main .card-title{font-size:22px;}
.pick-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.mini-card{
  display:grid;grid-template-columns:40% 1fr;background:var(--c-card);border:1px solid var(--b-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.mini-card img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.mini-card .mini-body{padding:16px 18px;display:flex;flex-direction:column;justify-content:center;}
.mini-card h3{font-size:17px;line-height:1.5;}
.mini-card h3 a{color:var(--t-main);}
.mini-card:hover h3 a{color:var(--c-primary);}
.mini-card p{
  font-size:14px;color:var(--t-sub);margin-top:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:8fr 4fr;gap:32px;align-items:start;}
.news-list{display:grid;gap:16px;}
.news-item{
  display:grid;grid-template-columns:160px 1fr;gap:18px;background:var(--c-card);
  border:1px solid var(--b-line);border-radius:var(--r-card);padding:18px;
  min-height:140px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.news-item:hover .news-title a{color:var(--c-primary);}
.news-thumb img{width:160px;height:108px;object-fit:cover;border-radius:10px;}
.news-title{font-size:18px;line-height:1.5;}
.news-title a{
  color:var(--t-main);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-sum{
  font-size:15px;line-height:1.8;color:var(--t-sub);margin-top:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t-weak);margin-top:12px;}
.news-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--t-weak);}
.read-link{margin-left:auto;font-size:13px;color:var(--c-primary);}
.read-link:hover{text-decoration:underline;text-underline-offset:3px;}

.sidebar{position:sticky;top:84px;display:grid;gap:20px;}
.side-card{background:var(--c-card);border:1px solid var(--b-line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);}
.side-card h3{font-size:16px;margin-bottom:14px;color:var(--c-primary-dark);}
.hot-list li+li{border-top:1px dashed var(--b-line);}
.hot-list a{display:flex;gap:10px;padding:10px 0;font-size:15px;color:var(--t-sub);line-height:1.6;}
.hot-list a:hover{color:var(--c-primary);}
.hot-list .rank{font-family:var(--font-serif);color:var(--c-gold);font-weight:700;flex-shrink:0;}
.cat-list li{margin-bottom:8px;}
.cat-list a{
  display:flex;justify-content:space-between;font-size:15px;color:var(--t-sub);
  padding:9px 12px;border-radius:var(--r-btn);transition:all .18s ease;
}
.cat-list a:hover{background:var(--c-primary-light);color:var(--c-primary);}
.sub-card{background:var(--c-primary-light);border-color:rgba(15,92,90,.18);}
.sub-card p{font-size:14px;color:var(--t-sub);margin-bottom:14px;}

.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;
  padding:56px 24px;background:var(--c-card);border:1px dashed var(--b-line);border-radius:var(--r-card);
}
.empty-state svg{width:40px;height:40px;color:var(--c-primary);opacity:.7;}
.empty-state p{font-size:15px;color:var(--t-sub);}

/* ---------- stats & wall ---------- */
.stats-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--b-line);
  border:1px solid var(--b-line);border-radius:var(--r-card);overflow:hidden;
}
.stat{background:var(--c-card);padding:26px 22px;text-align:center;}
.stat-num{
  font-size:clamp(32px,3.4vw,40px);font-weight:800;color:var(--c-primary);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.stat-label{font-size:13px;color:var(--t-weak);margin-top:8px;}
.wall{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:28px;}
.wall img{
  width:100%;aspect-ratio:4/3;object-fit:cover;opacity:.55;transition:opacity .2s ease,transform .2s ease;
}
.wall img:hover{opacity:1;transform:translateY(-3px);}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-aside p{font-size:15px;color:var(--t-sub);margin-top:14px;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  border:1px solid var(--b-line);border-radius:12px;background:var(--c-card);overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item[open]{border-color:rgba(15,92,90,.35);box-shadow:var(--sh-1);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;
  padding:16px 20px;font-size:16px;font-weight:600;color:var(--t-main);list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";width:9px;height:9px;flex-shrink:0;
  border-right:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);
  transform:rotate(45deg);transition:transform .2s ease;margin-top:-4px;
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:4px;}
.faq-item .faq-a{padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--t-sub);}

/* ---------- cta ---------- */
.cta-band{
  position:relative;background:var(--c-dark);color:var(--t-invert);overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-160px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(255,255,255,.10);
}
.cta-band::after{
  content:"";position:absolute;right:20px;bottom:-200px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(255,255,255,.07);
}
.cta-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;
  padding:64px 0;
}
.cta-title{font-family:var(--font-serif);font-size:clamp(24px,2.8vw,32px);color:#fff;}
.cta-desc{font-size:16px;color:rgba(255,255,255,.72);margin-top:14px;max-width:36em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-dark);color:var(--t-invert);padding:64px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.5fr;gap:32px;}
.foot-brand .brand-name{color:#fff;}
.foot-brand .brand-name span{color:var(--c-gold);}
.foot-brand p{font-size:14px;color:rgba(255,255,255,.66);margin-top:16px;max-width:24em;}
.socials{display:flex;gap:10px;margin-top:18px;}
.socials a{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--b-line-dark);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.7);
  transition:all .18s ease;
}
.socials a:hover{border-color:var(--c-gold);color:var(--c-gold);}
.foot-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
.foot-links li{margin-bottom:10px;}
.foot-links a{font-size:14px;color:rgba(255,255,255,.7);}
.foot-links a:hover{color:var(--c-gold);}
.foot-form p{font-size:12px;color:rgba(255,255,255,.5);margin-top:10px;}
.foot-form-row{display:flex;gap:10px;margin-top:14px;}
.foot-form input{
  flex:1;min-width:0;background:rgba(255,255,255,.06);border:1px solid var(--b-line-dark);
  border-radius:var(--r-btn);padding:10px 14px;color:#fff;font-size:14px;
}
.foot-form input::placeholder{color:rgba(255,255,255,.42);}
.foot-form input:focus{outline:none;border-color:var(--c-primary-mid);box-shadow:0 0 0 3px rgba(30,122,119,.25);}
.foot-form button{
  background:var(--c-accent);color:#fff;border:none;border-radius:var(--r-btn);
  padding:10px 18px;font-size:14px;font-weight:600;cursor:pointer;transition:background .18s ease;
}
.foot-form button:hover{background:var(--c-accent-hover);}
.form-msg{font-size:12px;margin-top:8px;}
.form-msg.ok{color:var(--ok);}
.form-msg.err{color:var(--err);}
.foot-bottom{
  margin-top:48px;border-top:1px solid var(--b-line-dark);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;
  color:rgba(255,255,255,.55);
}
.foot-bottom a{color:rgba(255,255,255,.55);}
.foot-bottom a:hover{color:var(--c-gold);}

.to-top{
  position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:50%;
  background:var(--c-primary);color:#fff;border:none;display:flex;align-items:center;justify-content:center;
  cursor:pointer;box-shadow:var(--sh-2);opacity:0;visibility:hidden;transition:all .22s ease;z-index:70;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{background:var(--c-primary-dark);}

/* ---------- responsive ---------- */
@media (max-width:991px){
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-figure{order:2;aspect-ratio:16/10;}
  .story-grid{grid-template-columns:1fr;gap:32px;}
  .picks{grid-template-columns:1fr;}
  .pick-side{grid-template-rows:none;grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .sidebar{position:static;margin-bottom:24px;}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .cta-inner{grid-template-columns:1fr;gap:26px;padding:52px 0;}
  .cta-actions{justify-content:flex-start;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .foot-brand{grid-column:1 / -1;}
  .section{padding:56px 0;}
  .hot-zone{display:none;}
}
@media (max-width:767px){
  .stats-band{grid-template-columns:1fr 1fr;}
  .wall{grid-template-columns:repeat(3,1fr);}
  .wall img:nth-child(4),.wall img:nth-child(5){display:none;}
  .top-actions .text-link{display:none;}
  .menu-btn{display:inline-block;}
  .nav-links{display:none;}
  .news-item{grid-template-columns:1fr;}
  .news-thumb img{width:100%;height:180px;}
  .mini-card{grid-template-columns:1fr;}
  .mini-card img{height:170px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  body{font-size:15.5px;}
  .brand-name{font-size:17px;}
  .hero{padding:36px 0 44px;}
  .hero-sub{font-size:16px;}
  .cta-row .btn{width:100%;}
  .picks{gap:16px;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-form-row{flex-direction:column;}
  .foot-bottom{flex-direction:column;}
  .wall{grid-template-columns:repeat(2,1fr);}
  .to-top{right:16px;bottom:18px;}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root{
  --c-primary:#0F5C5A;
  --c-primary-d:#0A3F3E;
  --c-primary-m:#1E7A77;
  --c-primary-l:#E6F0EF;
  --c-accent:#D2603A;
  --c-accent-h:#B84F2E;
  --c-accent-l:#FBEDE7;
  --c-gold:#E8A33D;
  --c-bg:#F7F5F0;
  --c-card:#FFFFFF;
  --c-dark:#0B1F1E;
  --c-soft:#F0EEE8;
  --t-1:#17161A;
  --t-2:#4A4A52;
  --t-3:#7C7C86;
  --t-inv:rgba(255,255,255,.86);
  --bd:#E4E1DA;
  --bd-inv:rgba(255,255,255,.12);
  --ok:#2F7D5C;
  --warn:#C9871F;
  --err:#B4433A;
  --sh-1:0 1px 2px rgba(11,31,30,.06);
  --sh-2:0 8px 24px rgba(11,31,30,.08);
  --sh-3:0 18px 44px rgba(11,31,30,.12);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --f-sans:system-ui,-apple-system,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --f-serif:"Noto Serif SC","Songti SC",Georgia,serif;
  --w:1200px;
}
/* ===== reset ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--c-bg);color:var(--t-1);
  font-family:var(--f-sans);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-accent);}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.skip{position:absolute;left:12px;top:-60px;background:var(--c-primary);color:#fff;padding:10px 16px;border-radius:var(--r-btn);z-index:200;transition:top .2s ease;}
.skip:focus{top:12px;color:#fff;}
.container{max-width:var(--w);margin:0 auto;padding:0 24px;width:100%;}
.num{font-variant-numeric:tabular-nums;}

/* ===== 头部 ===== */
.site-header{position:relative;z-index:60;}
.header-top{background:#fff;border-bottom:1px solid var(--bd);transition:height .24s ease,opacity .24s ease,overflow .24s ease;}
.header-top-in{display:flex;align-items:center;gap:18px;height:56px;}
body.scrolled .header-top{height:0;opacity:0;overflow:hidden;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:28px;height:28px;flex:0 0 auto;}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.4px;color:var(--c-primary-d);}
.brand-text span{color:var(--c-accent);}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-wrap{position:relative;display:flex;align-items:center;}
.search-toggle{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border:1px solid var(--bd);background:#fff;border-radius:var(--r-btn);color:var(--t-2);transition:all .18s ease;}
.search-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-l);}
.search-panel{position:absolute;top:48px;right:0;width:320px;background:#fff;border:1px solid var(--bd);border-radius:var(--r-card);box-shadow:var(--sh-2);padding:14px;display:none;}
.search-panel.open{display:block;}
.search-panel input{width:100%;height:40px;padding:0 12px;border:1px solid var(--bd);border-radius:var(--r-input);background:#fff;color:var(--t-1);outline:none;transition:border-color .18s ease,box-shadow .18s ease;}
.search-panel input::placeholder{color:var(--t-3);}
.search-panel input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,92,90,.12);}
.suggest{margin-top:10px;border-top:1px solid var(--bd);padding-top:10px;}
.suggest li a{display:block;padding:6px 4px;font-size:14px;color:var(--t-2);border-radius:6px;}
.suggest li a:hover{background:var(--c-primary-l);color:var(--c-primary);}
.header-link{font-size:14px;color:var(--t-2);}
.header-link:hover{color:var(--c-primary);}
.burger{display:none;width:40px;height:40px;border:1px solid var(--bd);background:#fff;border-radius:var(--r-btn);align-items:center;justify-content:center;color:var(--t-1);}
.burger:hover{border-color:var(--c-primary);color:var(--c-primary);}

.channel-bar{position:sticky;top:0;z-index:70;background:rgba(247,245,240,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--bd);}
.channel-in{display:flex;align-items:center;gap:22px;height:52px;}
.nav-links{display:flex;align-items:center;gap:22px;}
.nav-link{position:relative;font-size:15px;color:var(--t-2);padding:15px 2px;display:inline-block;}
.nav-link:hover{color:var(--c-primary);}
.nav-link.active{color:var(--c-primary);font-weight:700;}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;background:var(--c-primary);border-radius:2px;}
.hot-wrap{margin-left:auto;display:flex;align-items:center;gap:8px;}
.hot-label{font-size:12px;color:var(--t-3);}
.hot-chips{display:flex;gap:8px;}
.chip{display:inline-flex;align-items:center;height:26px;padding:3px 10px;border:1px solid var(--bd);border-radius:999px;font-size:12px;color:var(--t-2);background:#fff;transition:all .18s ease;}
.chip:hover{border-color:var(--c-primary);background:var(--c-primary-l);color:var(--c-primary);}
.chip-primary{border-color:transparent;background:var(--c-primary-l);color:var(--c-primary);}

/* ===== 面包屑 ===== */
.crumb{padding:18px 0 0;font-size:13px;color:var(--t-3);}
.crumb a{color:var(--t-3);}
.crumb a:hover{color:var(--c-primary);}
.crumb span.sep{margin:0 6px;color:#C9C6BE;}

/* ===== banner ===== */
.cat-banner{position:relative;margin-top:18px;border-radius:var(--r-card);overflow:hidden;min-height:250px;display:flex;align-items:center;background:var(--c-primary-d) no-repeat center/cover;background-image:linear-gradient(90deg,rgba(10,63,62,.86) 0%,rgba(10,63,62,.62) 48%,rgba(10,63,62,.28) 100%),url('/assets/images/backpic/back-2.webp');}
.cat-banner-in{padding:38px 40px;max-width:720px;}
.cat-banner .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:1px;color:rgba(255,255,255,.78);border:1px solid var(--bd-inv);padding:4px 12px;border-radius:999px;}
.cat-banner h1{font-family:var(--f-serif);font-size:clamp(24px,3.2vw,36px);color:#fff;margin:16px 0 12px;line-height:1.35;}
.cat-banner p{color:rgba(255,255,255,.82);font-size:15px;line-height:1.9;max-width:640px;}

/* ===== 通用区块 ===== */
.section{padding:64px 0 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;border-bottom:1px solid var(--bd);padding-bottom:14px;margin-bottom:26px;}
.sec-head h2{font-size:clamp(22px,2.6vw,28px);}
.sec-head .sub{font-size:13px;color:var(--t-3);margin-top:6px;}
.sec-head .more{font-size:14px;white-space:nowrap;}

/* ===== 分类布局 ===== */
.cat-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:34px;align-items:start;}
.side-nav{position:sticky;top:76px;background:#fff;border:1px solid var(--bd);border-radius:var(--r-card);padding:18px 0;box-shadow:var(--sh-1);}
.side-nav h3{font-size:14px;color:var(--t-3);font-weight:600;padding:0 18px 12px;border-bottom:1px solid var(--bd);margin-bottom:8px;letter-spacing:.6px;}
.side-nav a{position:relative;display:block;padding:11px 18px;font-size:15px;color:var(--t-2);}
.side-nav a:hover{background:var(--c-soft);color:var(--c-primary);}
.side-nav a.active{color:var(--c-primary);font-weight:700;background:var(--c-primary-l);}
.side-nav a.active::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;background:var(--c-primary);border-radius:0 3px 3px 0;}
.side-note{margin-top:14px;padding:14px 18px 0;border-top:1px solid var(--bd);font-size:13px;color:var(--t-3);line-height:1.8;}

.list-tools{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 18px;background:#fff;border:1px solid var(--bd);border-radius:var(--r-card);margin-bottom:16px;font-size:13px;color:var(--t-3);}
.list-tools strong{color:var(--t-1);font-size:14px;}
.list-tools .tags{display:flex;gap:8px;}

/* ===== 横向列表卡 ===== */
.item-list{display:grid;gap:16px;}
.item-card{display:grid;grid-template-columns:236px minmax(0,1fr);gap:18px;background:#fff;border:1px solid var(--bd);border-radius:var(--r-card);padding:16px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.item-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D6D2C8;}
.item-thumb{position:relative;aspect-ratio:4/3;border-radius:var(--r-img);overflow:hidden;background:var(--c-primary-l);}
.item-thumb img{width:100%;height:100%;object-fit:cover;}
.item-thumb .ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--f-serif);font-size:28px;color:var(--c-primary);opacity:.5;}
.item-body{display:flex;flex-direction:column;gap:8px;min-width:0;}
.item-body h3{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.item-card:hover .item-body h3{color:var(--c-primary);}
.item-body h3 a{color:inherit;}
.item-desc{font-size:15px;line-height:1.8;color:var(--t-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.item-meta{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--t-3);}
.dot{width:3px;height:3px;border-radius:50%;background:#C9C6BE;display:inline-block;}
.item-meta .read{margin-left:auto;color:var(--c-primary);font-size:13px;}
.item-meta .read:hover{color:var(--c-accent);}

/* ===== 要点卡 ===== */
.point-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.point-card{background:var(--c-soft);border:1px solid var(--bd);border-radius:var(--r-card);padding:20px 22px;transition:background .18s ease,border-color .18s ease;}
.point-card:hover{background:#fff;border-color:#D6D2C8;}
.point-head{display:flex;align-items:center;gap:10px;margin-bottom:10px;}
.point-head svg{color:var(--c-primary);flex:0 0 auto;}
.point-head h3{font-size:16px;}
.point-card p{font-size:14.5px;line-height:1.85;color:var(--t-2);}

/* ===== FAQ ===== */
.faq-layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:36px;align-items:start;}
.faq-intro h2{font-size:clamp(22px,2.6vw,28px);}
.faq-intro p{margin-top:12px;font-size:14.5px;color:var(--t-2);line-height:1.85;}
.faq-list{display:grid;gap:12px;}
.faq-item{border:1px solid var(--bd);border-radius:12px;background:#fff;overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;}
.faq-item[open]{box-shadow:var(--sh-1);border-color:#D6D2C8;}
.faq-item summary{list-style:none;cursor:pointer;padding:16px 20px;font-size:16px;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:14px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-icon{width:18px;height:18px;flex:0 0 auto;color:var(--c-primary);transition:transform .22s ease;}
.faq-item[open] .faq-icon{transform:rotate(180deg);}
.faq-answer{padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--t-2);}

/* ===== CTA 浅底 ===== */
.cta-soft{margin-top:64px;background:var(--c-primary-l);border:1px solid #D3E4E2;border-radius:var(--r-card);padding:36px 40px;display:grid;grid-template-columns:7fr 5fr;gap:28px;align-items:center;}
.cta-soft h2{font-size:clamp(20px,2.4vw,26px);color:var(--c-primary-d);}
.cta-soft p{margin-top:10px;font-size:15px;color:var(--t-2);line-height:1.85;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end;}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:all .18s ease;white-space:nowrap;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.btn-primary:hover{background:var(--c-primary-d);border-color:var(--c-primary-d);color:#fff;}
.btn-accent{background:var(--c-accent);color:#fff;border-color:var(--c-accent);}
.btn-accent:hover{background:var(--c-accent-h);border-color:var(--c-accent-h);color:#fff;}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:rgba(15,92,90,.06);color:var(--c-primary-d);border-color:var(--c-primary-d);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn:disabled{background:#EFEDE8;color:#C9C6BE;border-color:#E4E1DA;cursor:not-allowed;}

/* ===== 页脚 ===== */
.site-footer{margin-top:80px;background:var(--c-dark);color:var(--t-inv);padding:56px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.4fr;gap:32px;}
.brand-name{font-size:19px;font-weight:700;color:#fff;display:inline-block;margin-bottom:12px;}
.brand-name span{color:var(--c-gold);}
.foot-brand p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.7);}
.socials{display:flex;gap:10px;margin-top:16px;}
.socials a{width:34px;height:34px;border:1px solid var(--bd-inv);border-radius:10px;display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.75);}
.socials a:hover{color:#fff;border-color:var(--c-primary-m);background:rgba(30,122,119,.22);}
.foot-col h4{font-size:14px;color:#fff;margin-bottom:14px;font-weight:600;letter-spacing:.6px;}
.foot-links li{margin-bottom:9px;}
.foot-links a{font-size:13.5px;color:rgba(255,255,255,.7);}
.foot-links a:hover{color:var(--c-gold);}
.foot-form-row{display:flex;gap:10px;}
.foot-form input{flex:1 1 auto;min-width:0;height:42px;padding:0 12px;border-radius:var(--r-input);border:1px solid var(--bd-inv);background:rgba(255,255,255,.06);color:#fff;outline:none;transition:border-color .18s ease,box-shadow .18s ease;}
.foot-form input::placeholder{color:rgba(255,255,255,.45);}
.foot-form input:focus{border-color:var(--c-primary-m);box-shadow:0 0 0 3px rgba(30,122,119,.28);}
.foot-note{font-size:12px;color:rgba(255,255,255,.55);margin-top:10px;line-height:1.7;}
.form-msg{font-size:12.5px;margin-top:8px;min-height:18px;}
.form-msg.ok{color:#7FD1AE;}
.form-msg.err{color:#F0A69E;}
.foot-bottom{margin-top:44px;border-top:1px solid var(--bd-inv);padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:12.5px;color:rgba(255,255,255,.6);}
.foot-bottom a{color:rgba(255,255,255,.6);}
.foot-bottom a:hover{color:#fff;}

/* ===== 回到顶部 ===== */
.to-top{position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:50%;background:var(--c-primary);color:#fff;border:none;display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(8px);transition:all .24s ease;z-index:90;}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-primary-d);}

/* ===== 响应式 ===== */
@media (max-width:991px){
  .cat-layout{grid-template-columns:1fr;}
  .side-nav{position:static;display:flex;flex-wrap:wrap;gap:8px;padding:14px;}
  .side-nav h3{width:100%;border-bottom:0;padding:0 0 8px;margin:0;}
  .side-nav a{padding:8px 14px;border:1px solid var(--bd);border-radius:999px;font-size:14px;}
  .side-nav a.active{background:var(--c-primary-l);}
  .side-nav a.active::before{display:none;}
  .side-note{width:100%;border-top:1px solid var(--bd);margin-top:10px;padding:12px 0 0;}
  .faq-layout{grid-template-columns:1fr;gap:22px;}
  .cta-soft{grid-template-columns:1fr;}
  .cta-actions{justify-content:flex-start;}
  .foot-grid{grid-template-columns:1fr 1fr 1fr;}
  .foot-form{grid-column:1 / -1;}
  .hot-wrap{display:none;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .item-card{grid-template-columns:1fr;}
  .item-thumb{aspect-ratio:16/9;}
  .point-grid{grid-template-columns:1fr;}
  .cat-banner-in{padding:26px 22px;}
  .cta-soft{padding:26px 22px;}
  .nav-links{gap:16px;overflow-x:auto;scrollbar-width:none;}
  .nav-links::-webkit-scrollbar{display:none;}
  .header-link{display:none;}
  .search-panel{width:280px;right:-46px;}
}
@media (max-width:575px){
  .header-top-in{height:52px;}
  .burger{display:inline-flex;}
  .nav-links{display:none;}
  .nav-links.open{display:flex;flex-direction:column;align-items:flex-start;gap:0;padding-bottom:10px;width:100%;}
  .nav-links.open .nav-link{width:100%;padding:12px 0;}
  .nav-link.active::after{bottom:4px;}
  .channel-in{flex-direction:column;align-items:stretch;height:auto;padding:8px 0;}
  .search-panel{right:0;width:100%;}
  .list-tools{flex-direction:column;align-items:flex-start;gap:10px;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:18px;}
  .section{padding-top:48px;}
}

/* roulang page: article */
:root{
  --c-primary:#0F5C5A;
  --c-primary-dark:#0A3F3E;
  --c-primary-mid:#1E7A77;
  --c-primary-light:#E6F0EF;
  --c-accent:#D2603A;
  --c-accent-hover:#B84F2E;
  --c-accent-light:#FBEDE7;
  --c-gold:#E8A33D;
  --c-bg:#F7F5F0;
  --c-card:#FFFFFF;
  --c-dark:#0B1F1E;
  --c-soft:#F0EEE8;
  --t-main:#17161A;
  --t-second:#4A4A52;
  --t-muted:#7C7C86;
  --t-invert:rgba(255,255,255,.86);
  --bd:#E4E1DA;
  --bd-dark:rgba(255,255,255,.12);
  --ok:#2F7D5C;
  --warn:#C9871F;
  --err:#B4433A;
  --sh-1:0 1px 2px rgba(11,31,30,.06);
  --sh-2:0 8px 24px rgba(11,31,30,.08);
  --sh-3:0 18px 44px rgba(11,31,30,.12);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-chip:999px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--t-main);
  font-family:system-ui,-apple-system,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.4;}
h1{letter-spacing:.2px;}
p{margin:0;}
.num{font-variant-numeric:tabular-nums;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.skip-link{
  position:absolute;left:-9999px;top:8px;z-index:999;
  background:#fff;color:var(--c-primary);padding:10px 18px;border-radius:var(--r-btn);
  box-shadow:var(--sh-2);font-size:14px;
}
.skip-link:focus{left:16px;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-dark);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:var(--c-accent-hover);}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent;}
.btn-outline:hover{background:var(--c-primary-light);}
.btn-light{border-color:rgba(255,255,255,.5);color:#fff;background:transparent;}
.btn-light:hover{background:rgba(255,255,255,.12);}
.btn:active{transform:translateY(1px);}
.btn[disabled]{background:#EDEBE5;color:#C9C6BE;border-color:var(--bd);cursor:not-allowed;}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}

/* ---------- 标签 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:5px 11px;border-radius:var(--r-chip);
  background:var(--c-primary-light);color:var(--c-primary);font-weight:600;
}
.chip-accent{background:var(--c-accent-light);color:var(--c-accent);}
.chip-line{background:transparent;border:1px solid var(--bd);color:var(--t-second);font-weight:500;}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,240,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--bd);
}
.brand-bar{
  border-bottom:1px solid var(--bd);
  max-height:56px;overflow:hidden;
  transition:max-height .25s ease,opacity .2s ease,border-color .2s ease;
}
.site-header.is-scrolled .brand-bar{max-height:0;opacity:0;border-color:transparent;}
.brand-inner{display:flex;align-items:center;justify-content:space-between;height:56px;gap:16px;}
.brand{display:inline-flex;align-items:center;gap:10px;}
.brand svg{color:var(--c-primary);flex:0 0 auto;}
.brand-name{font-size:19px;font-weight:700;letter-spacing:.3px;color:var(--c-primary-dark);}
.brand-name span{color:var(--c-accent);}
.header-tools{display:flex;align-items:center;gap:14px;}
.search{position:relative;display:flex;align-items:center;}
.search-input{
  width:0;padding:0;height:38px;border:1px solid var(--bd);border-radius:var(--r-btn);
  background:#fff;font-size:14px;color:var(--t-main);opacity:0;
  transition:width .22s ease,opacity .22s ease,padding .22s ease;
}
.search.open .search-input{width:240px;padding:0 14px;opacity:1;margin-right:8px;}
.search-input::placeholder{color:var(--t-muted);}
.search-input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,92,90,.12);}
.search-toggle{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--bd);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--t-second);cursor:pointer;
  transition:color .18s,border-color .18s;
}
.search-toggle:hover{color:var(--c-primary);border-color:var(--c-primary);}
.suggest{
  position:absolute;top:calc(100% + 8px);right:0;width:280px;background:#fff;
  border:1px solid var(--bd);border-radius:12px;box-shadow:var(--sh-2);padding:8px;
  display:none;z-index:90;
}
.search.open .suggest.show{display:block;}
.suggest p{font-size:12px;color:var(--t-muted);padding:6px 10px 4px;}
.suggest a{display:block;font-size:14px;padding:8px 10px;border-radius:8px;color:var(--t-second);}
.suggest a:hover{background:var(--c-primary-light);color:var(--c-primary);}
.top-link{font-size:14px;color:var(--t-second);font-weight:500;}
.top-link:hover{color:var(--c-primary);}
.burger{
  display:none;width:38px;height:38px;border-radius:10px;border:1px solid var(--bd);
  background:#fff;cursor:pointer;color:var(--t-main);align-items:center;justify-content:center;
}
.channel-bar{border-bottom:1px solid var(--bd);}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:56px;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;padding:0 14px;line-height:56px;font-size:15px;color:var(--t-second);font-weight:500;
  transition:color .18s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link.active{color:var(--c-primary);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:12px;height:2px;
  border-radius:2px;background:var(--c-primary);
}
.hot-words{display:flex;align-items:center;gap:8px;overflow:hidden;}
.hot-label{font-size:12px;color:var(--t-muted);flex:0 0 auto;}
.hot-chip{
  font-size:12px;padding:4px 10px;border-radius:var(--r-chip);
  border:1px solid var(--bd);background:#fff;color:var(--t-second);white-space:nowrap;
  transition:background .18s,color .18s,border-color .18s;
}
.hot-chip:hover{background:var(--c-primary-light);color:var(--c-primary);border-color:var(--c-primary-light);}
.mobile-panel{display:none;border-top:1px solid var(--bd);background:#fff;padding:14px 0 18px;}
.mobile-panel.open{display:block;}
.mobile-panel a{display:block;font-size:15px;padding:11px 0;color:var(--t-second);border-bottom:1px solid var(--bd);}
.mobile-panel a:last-child{border-bottom:none;}
.mobile-panel .m-search{display:flex;gap:8px;margin-top:12px;}
.mobile-panel .m-search input{
  flex:1;height:42px;border:1px solid var(--bd);border-radius:var(--r-btn);padding:0 14px;background:#fff;
}

/* ---------- 文章头部 ---------- */
.page-main{padding:28px 0 0;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--t-muted);margin-bottom:20px;
}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#C9C6BE;}
.breadcrumb .crumb-current{
  color:var(--t-second);max-width:44ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-head{max-width:820px;}
.article-title{
  font-family:"Noto Serif SC",Georgia,serif;
  font-size:clamp(24px,3.1vw,38px);line-height:1.34;margin:14px 0 16px;color:var(--t-main);
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  font-size:13px;color:var(--t-muted);
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:#C9C6BE;display:inline-block;}
.article-cover{margin:26px 0 8px;}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-card);}
.article-cover figcaption{font-size:12px;color:var(--t-muted);text-align:center;margin-top:10px;}

/* ---------- 布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;
  align-items:start;padding:26px 0 8px;
}
.article-main{min-width:0;}
.article-body{
  max-width:760px;font-size:17.5px;line-height:1.95;color:var(--t-main);
}
.article-body p{margin:0 0 1.15em;}
.article-body h2{
  font-size:24px;line-height:1.5;margin:40px 0 16px;padding-left:12px;
  border-left:4px solid var(--c-primary);
}
.article-body h3{font-size:20px;margin:28px 0 12px;}
.article-body h4{font-size:16px;margin:22px 0 10px;color:var(--t-second);}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--c-primary-dark);}
.article-body strong{font-weight:700;}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.15em;}
.article-body ul li{list-style:disc;}
.article-body ol li{list-style:decimal;}
.article-body li+li{margin-top:8px;}
.article-body blockquote{
  margin:24px 0;padding:16px 18px;background:var(--c-soft);
  border-left:3px solid var(--c-primary);border-radius:0 10px 10px 0;color:var(--t-second);font-size:16px;
}
.article-body img{border-radius:var(--r-img);margin:24px auto;max-width:100%;height:auto;}
.article-body table{
  width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{border:1px solid var(--bd);padding:10px 14px;text-align:left;}
.article-body th{background:var(--c-soft);font-weight:600;}
.article-body code{
  background:#EFEDE7;border-radius:6px;padding:2px 6px;font-size:.92em;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.article-body hr{border:none;border-top:1px solid var(--bd);margin:32px 0;}

/* ---------- 空态 ---------- */
.empty-box{
  max-width:760px;border:1px dashed var(--bd);border-radius:var(--r-card);
  background:#fff;padding:56px 24px;text-align:center;
}
.empty-box svg{color:var(--c-primary);margin:0 auto 14px;}
.empty-box p{font-size:15px;color:var(--t-second);margin-bottom:18px;}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:96px;display:grid;gap:20px;}
.side-card{
  background:var(--c-card);border:1px solid var(--bd);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--c-primary);}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;color:var(--t-second);padding:10px 12px;border-radius:8px;
  border-left:3px solid transparent;transition:all .18s ease;
}
.side-nav a:hover{background:var(--c-primary-light);color:var(--c-primary);border-left-color:var(--c-primary);}
.side-nav a.current{border-left-color:var(--c-primary);color:var(--c-primary);font-weight:600;background:var(--c-primary-light);}
.hot-list li+li{margin-top:12px;}
.hot-list a{display:block;font-size:14px;color:var(--t-second);line-height:1.6;}
.hot-list a:hover{color:var(--c-primary);}
.hot-list .idx{
  display:inline-block;width:18px;font-size:12px;font-weight:700;color:var(--c-gold);
  font-variant-numeric:tabular-nums;
}
.side-sub{background:var(--c-dark);border-color:var(--c-dark);color:var(--t-invert);}
.side-sub h3{color:#fff;}
.side-sub h3::before{background:var(--c-accent);}
.side-sub p{font-size:13px;color:rgba(255,255,255,.68);margin-bottom:14px;}
.side-sub .sub-row{display:flex;gap:8px;}
.side-sub input{
  flex:1;min-width:0;height:42px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);color:#fff;padding:0 12px;font-size:14px;
}
.side-sub input::placeholder{color:rgba(255,255,255,.5);}
.side-sub input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(210,96,58,.22);}
.sub-note{font-size:12px;margin-top:10px;color:rgba(255,255,255,.6);}
.sub-note.err{color:#F2B4A0;}
.sub-note.ok{color:#9FD9C4;}

/* ---------- 标签 / 翻页 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:40px 0 0;}
.pager{
  display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:36px;
}
.pager-card{
  display:block;background:#fff;border:1px solid var(--bd);border-radius:var(--r-card);
  padding:18px 20px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.pager-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D3E2E0;}
.pager-card .k{font-size:12px;color:var(--t-muted);}
.pager-card .t{font-size:16px;font-weight:600;margin-top:6px;line-height:1.55;}
.pager-card:hover .t{color:var(--c-primary);}
.back-row{margin-top:26px;}
.related{margin-top:64px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;}
.section-head h2{font-size:26px;}
.section-head .sub{font-size:13px;color:var(--t-muted);margin-top:6px;}
.section-head .more{font-size:14px;color:var(--c-primary);font-weight:600;white-space:nowrap;}
.section-head .more:hover{color:var(--c-primary-dark);}
.card-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  display:block;background:var(--c-card);border:1px solid var(--bd);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D3E2E0;}
.card:hover .card-title{color:var(--c-primary);}
.card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-light);}
.card .thumb img{width:100%;height:100%;object-fit:cover;}
.card-body{padding:18px 20px 20px;}
.card-title{font-size:18px;line-height:1.55;margin:10px 0 8px;transition:color .18s ease;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-desc{font-size:15px;color:var(--t-second);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:12.5px;color:var(--t-muted);}
.card-meta .dot{width:3px;height:3px;border-radius:50%;background:#C9C6BE;}

/* ---------- CTA ---------- */
.cta-band{
  margin:80px 0 0;background:var(--c-dark);border-radius:18px;overflow:hidden;position:relative;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(255,255,255,.10);
}
.cta-inner{
  position:relative;display:grid;grid-template-columns:1.3fr 1fr;gap:28px;
  padding:48px 44px;align-items:center;
}
.cta-inner h2{font-size:28px;color:#fff;}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.7);margin-top:12px;max-width:52ch;}
.cta-actions{display:flex;gap:12px;justify-content:flex-end;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:var(--t-invert);margin-top:96px;padding:64px 0 28px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.4fr;gap:32px;}
.foot-brand .brand-name{color:#fff;font-size:18px;display:block;margin-bottom:12px;}
.foot-brand p{font-size:13.5px;color:rgba(255,255,255,.66);line-height:1.85;max-width:32ch;}
.socials{display:flex;gap:10px;margin-top:16px;}
.socials a{
  width:32px;height:32px;border-radius:50%;border:1px solid var(--bd-dark);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.7);
  transition:all .18s ease;
}
.socials a:hover{color:var(--c-accent);border-color:var(--c-accent);}
.foot-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.4px;}
.foot-links li+li{margin-top:10px;}
.foot-links a{font-size:13.5px;color:rgba(255,255,255,.7);transition:color .18s ease;}
.foot-links a:hover{color:var(--c-accent);}
.foot-form .foot-for{display:flex;gap:8px;margin-bottom:10px;}
.foot-form input{
  flex:1;min-width:0;height:42px;border-radius:var(--r-btn);border:1px solid var(--bd-dark);
  background:rgba(255,255,255,.08);color:#fff;padding:0 12px;font-size:14px;
}
.foot-form input::placeholder{color:rgba(255,255,255,.48);}
.foot-form input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(210,96,58,.22);}
.foot-form p{font-size:12px;color:rgba(255,255,255,.58);line-height:1.7;}
.foot-form p.ok{color:#9FD9C4;}
.foot-form p.err{color:#F2B4A0;}
.foot-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--bd-dark);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.55);
}
.to-top{
  position:fixed;right:22px;bottom:26px;width:44px;height:44px;border-radius:50%;
  background:var(--c-primary);color:#fff;border:none;cursor:pointer;box-shadow:var(--sh-2);
  display:inline-flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:all .22s ease;z-index:70;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-primary-dark);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:32px;}
}
@media (max-width:991px){
  .channel-inner{height:52px;overflow-x:auto;scrollbar-width:none;}
  .channel-inner::-webkit-scrollbar{display:none;}
  .hot-words{display:none;}
  .nav-link{line-height:52px;padding:0 11px;font-size:14px;}
  .nav-link.active::after{bottom:10px;}
  .article-layout{grid-template-columns:1fr;gap:0;}
  .sidebar{position:static;margin-top:36px;grid-template-columns:1fr 1fr;}
  .cta-inner{grid-template-columns:1fr;padding:40px 28px;}
  .cta-actions{justify-content:flex-start;}
  .foot-grid{grid-template-columns:1fr 1fr 1fr;gap:28px;}
  .foot-brand{grid-column:1 / -1;}
  .card-grid-3{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .brand-name{font-size:17px;}
  .search.open .search-input{width:170px;}
  .burger{display:inline-flex;}
  .top-link{display:none;}
  .article-title{font-size:24px;}
  .article-body{font-size:17px;line-height:1.9;}
  .sidebar{grid-template-columns:1fr;}
  .pager{grid-template-columns:1fr;}
  .card-grid-3{grid-template-columns:1fr;}
  .cta-band{margin-top:64px;border-radius:14px;}
  .cta-inner h2{font-size:23px;}
  .site-footer{padding:48px 0 24px;margin-top:72px;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .foot-form{grid-column:1 / -1;}
}
@media (max-width:519px){
  .article-title{font-size:22px;}
  .article-meta{font-size:12.5px;}
  .foot-grid{grid-template-columns:1fr;}
  .cta-actions .btn{width:100%;}
  .to-top{right:14px;bottom:18px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category2 */
:root{
  --c-primary:#0F5C5A;
  --c-primary-d:#0A3F3E;
  --c-primary-l:#E6F0EF;
  --c-primary-m:#1E7A77;
  --c-accent:#D2603A;
  --c-accent-h:#B84F2E;
  --c-accent-l:#FBEDE7;
  --c-gold:#E8A33D;
  --c-bg:#F7F5F0;
  --c-card:#FFFFFF;
  --c-dark:#0B1F1E;
  --c-soft:#F0EEE8;
  --t-1:#17161A;
  --t-2:#4A4A52;
  --t-3:#7C7C86;
  --t-inv:rgba(255,255,255,.86);
  --bd:#E4E1DA;
  --bd-inv:rgba(255,255,255,.12);
  --ok:#2F7D5C;
  --warn:#C9871F;
  --err:#B4433A;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(11,31,30,.06);
  --sh-2:0 8px 24px rgba(11,31,30,.08);
  --sh-3:0 18px 44px rgba(11,31,30,.12);
  --ease:180ms ease;
  --font-sans:system-ui,-apple-system,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-serif:"Noto Serif SC","Songti SC","Songti TC",Georgia,serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--t-1);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--c-primary-m)}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:200}
.skip-link:focus{left:0;color:#fff}

/* ---------- 吸顶导航 ---------- */
.site-header{position:relative;z-index:70}
.nav-top{background:var(--c-bg);border-bottom:1px solid var(--bd)}
.nav-top .container{display:flex;align-items:center;gap:18px;height:58px}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--t-1);letter-spacing:.2px}
.brand:hover{color:var(--t-1)}
.brand-mark{width:28px;height:28px;flex:none}
.brand-name span{color:var(--c-primary-m)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:var(--r-btn);border:1px solid var(--bd);background:#fff;color:var(--t-2);transition:all var(--ease)}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-l)}
.top-link{font-size:14px;color:var(--t-2);padding:8px 4px}
.top-link:hover{color:var(--c-primary)}
.search-wrap{position:relative}
.search-pop{position:absolute;right:0;top:46px;width:320px;background:#fff;border:1px solid var(--bd);border-radius:var(--r-card);box-shadow:var(--sh-3);padding:14px;display:none}
.search-pop.open{display:block}
.search-pop input{width:100%;padding:10px 12px;border:1px solid var(--bd);border-radius:var(--r-btn);background:#fff;font-size:14px}
.search-pop input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,92,90,.12)}
.search-pop input::placeholder{color:var(--t-3)}
.search-tip{margin-top:8px;font-size:12px;color:var(--t-3)}
.burger{display:none;width:38px;height:38px;align-items:center;justify-content:center;border:1px solid var(--bd);border-radius:var(--r-btn);background:#fff;color:var(--t-2)}
.burger:hover{border-color:var(--c-primary);color:var(--c-primary)}
.nav-band{position:sticky;top:0;z-index:60;background:rgba(247,245,240,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--bd)}
.nav-band .container{display:flex;align-items:center;gap:20px;height:54px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;display:inline-block;padding:14px 13px;font-size:15px;color:var(--t-2);border-bottom:2px solid transparent;transition:color var(--ease),border-color var(--ease)}
.nav-link:hover{color:var(--c-primary)}
.nav-link.active{color:var(--c-primary);font-weight:600;border-bottom-color:var(--c-primary)}
.hot-words{margin-left:auto;display:flex;align-items:center;gap:8px}
.hot-label{font-size:12px;color:var(--t-3);letter-spacing:.5px}

/* ---------- 通用组件 ---------- */
.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;border:1px solid var(--bd);background:#fff;font-size:12px;line-height:1.6;color:var(--t-2);white-space:nowrap;transition:all var(--ease)}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-l)}
.chip-sm{padding:4px 11px;font-size:12px}
.chip-tag{border-color:transparent;background:var(--c-primary-l);color:var(--c-primary);font-weight:500;cursor:default}
.chip-tag:hover{border-color:transparent;background:var(--c-primary-l);color:var(--c-primary)}
.chip-solid{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.chip-solid:hover{background:var(--c-primary-d);border-color:var(--c-primary-d);color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:500;border:1px solid transparent;transition:all var(--ease)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-d);color:#fff}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:var(--c-accent-h);color:#fff}
.btn-outline{border-color:var(--bd);background:#fff;color:var(--t-1)}
.btn-outline:hover{border-color:var(--c-primary);background:var(--c-primary-l);color:var(--c-primary)}
.btn-ghost-light{border-color:rgba(255,255,255,.42);color:#fff;background:transparent}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.7)}
.btn-sm{padding:8px 16px;font-size:14px}
.section{padding:72px 0}
.section-tight{padding:52px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.sec-head h2{font-size:clamp(22px,2.4vw,30px)}
.sec-sub{margin-top:8px;font-size:14px;color:var(--t-3);max-width:640px}
.more-link{font-size:14px;white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.more-link::after{content:"›";font-size:16px;line-height:1}
.section-soft{background:var(--c-soft)}

/* ---------- 头图带 ---------- */
.page-hero{position:relative;display:flex;align-items:center;min-height:230px;overflow:hidden;background:var(--c-primary-d);isolation:isolate}
.page-hero .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5;z-index:-2}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,63,62,.72),rgba(10,63,62,.86));z-index:-1}
.hero-inner{position:relative;text-align:center;padding:52px 24px;color:#fff}
.hero-kicker{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:rgba(255,255,255,.72);margin-bottom:12px}
.page-hero h1{font-family:var(--font-serif);font-size:clamp(25px,3.4vw,38px);line-height:1.3;letter-spacing:.4px}
.hero-sub{margin:14px auto 0;max-width:720px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.82)}

/* ---------- 筛选条 ---------- */
.filter-row{background:var(--c-soft);border-bottom:1px solid var(--bd)}
.filter-inner{display:flex;align-items:center;gap:10px;padding:14px 24px;overflow-x:auto;scrollbar-width:none}
.filter-inner::-webkit-scrollbar{display:none}
.filter-label{font-size:12px;color:var(--t-3);letter-spacing:.5px;flex:none;margin-right:2px}

/* ---------- 错位卡片墙 ---------- */
.masonry{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start}
.col-b{padding-top:56px;display:grid;gap:24px}
.col-a{display:grid;gap:24px}
.card{background:var(--c-card);border:1px solid var(--bd);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D8D4CB}
.card-media{overflow:hidden;background:var(--c-primary-l)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 350ms ease}
.card:hover .card-media img{transform:scale(1.03)}
.ratio-16-9 .card-media{aspect-ratio:16/9}
.ratio-4-3 .card-media{aspect-ratio:4/3}
.card-body{padding:18px 20px 20px}
.card-title{margin:10px 0 8px;font-size:18px;line-height:1.5;color:var(--t-1);transition:color var(--ease)}
.card:hover .card-title{color:var(--c-primary)}
.card-desc{font-size:15px;line-height:1.8;color:var(--t-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:14px;font-size:13px;color:var(--t-3)}
.meta .dot{width:3px;height:3px;border-radius:50%;background:currentColor;display:inline-block}
.meta a{font-size:13px}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--bd);border:1px solid var(--bd);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.stat{background:#fff;padding:26px 20px;text-align:center}
.stat-num{font-size:clamp(26px,3vw,36px);font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2;font-family:var(--font-serif)}
.stat-label{margin-top:8px;font-size:13px;color:var(--t-3)}
.stat-extra{margin-top:4px;font-size:12px;color:var(--c-gold)}

/* ---------- 三列推荐 ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card-compact .card-body{padding:16px 18px 18px}
.card-compact .card-title{font-size:17px}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:40px}
.faq-intro h2{font-size:clamp(22px,2.4vw,30px)}
.faq-intro p{margin-top:12px;font-size:15px;color:var(--t-2)}
.faq-list{display:grid;gap:12px}
.faq-item{border:1px solid var(--bd);border-radius:12px;background:#fff;overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease)}
.faq-item[open]{border-color:#CFE0DE;box-shadow:var(--sh-1)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;font-size:16px;font-weight:600;cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";width:10px;height:10px;flex:none;border-right:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);transform:rotate(45deg);transition:transform var(--ease)}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-answer{padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--t-2)}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--c-soft);border:1px solid var(--bd);border-radius:var(--r-card);padding:34px 36px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta-band h2{font-size:clamp(20px,2.2vw,26px)}
.cta-band p{margin-top:10px;font-size:15px;color:var(--t-2);max-width:640px}
.cta-actions{display:flex;gap:12px;flex:none;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:var(--t-inv);padding:64px 0 28px;margin-top:72px}
.foot-grid{display:grid;grid-template-columns:2.2fr 1fr 1fr 1fr 1.8fr;gap:32px}
.foot-brand .brand-name{display:inline-block;font-size:18px;font-weight:700;color:#fff;letter-spacing:.3px}
.foot-brand .brand-name span{color:#8FC9C5}
.foot-brand p{margin-top:14px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:300px}
.socials{display:flex;gap:10px;margin-top:18px}
.socials a{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;border:1px solid var(--bd-inv);color:rgba(255,255,255,.72);transition:all var(--ease)}
.socials a:hover{border-color:var(--c-primary-m);color:#8FC9C5;background:rgba(255,255,255,.06)}
.foot-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.3px}
.foot-links{display:grid;gap:10px}
.foot-links a{font-size:14px;color:rgba(255,255,255,.68)}
.foot-links a:hover{color:#8FC9C5}
.foot-form-row{display:flex;gap:10px}
.foot-form input{flex:1;min-width:0;padding:10px 12px;border-radius:var(--r-btn);border:1px solid var(--bd-inv);background:rgba(255,255,255,.06);color:#fff;font-size:14px}
.foot-form input::placeholder{color:rgba(255,255,255,.45)}
.foot-form input:focus{outline:none;border-color:var(--c-primary-m);box-shadow:0 0 0 3px rgba(30,122,119,.28)}
.foot-note{margin-top:10px;font-size:12px;line-height:1.8;color:rgba(255,255,255,.5)}
.form-msg{margin-top:8px;font-size:12px;min-height:16px}
.form-msg.ok{color:#8FD8B6}
.form-msg.err{color:#F0A79E}
.foot-bottom{margin-top:44px;padding-top:20px;border-top:1px solid var(--bd-inv);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.52)}

/* ---------- 回到顶部 ---------- */
.backtop{position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:var(--r-btn);background:#fff;border:1px solid var(--bd);box-shadow:var(--sh-2);color:var(--c-primary);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(8px);transition:all var(--ease);z-index:80}
.backtop.show{opacity:1;visibility:visible;transform:translateY(0)}
.backtop:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}

/* ---------- 响应式 ---------- */
@media (max-width:991px){
  .section{padding:56px 0}
  .masonry{grid-template-columns:1fr;gap:20px}
  .col-b{padding-top:0}
  .faq-wrap{grid-template-columns:1fr;gap:24px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .rec-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .nav-band .container{height:50px;gap:12px;overflow-x:auto;scrollbar-width:none}
  .nav-band .container::-webkit-scrollbar{display:none}
  .nav-links{gap:0}
  .nav-link{padding:12px 10px;font-size:14px}
  .hot-words{display:none}
  .burger{display:inline-flex}
  .nav-links{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--bd);box-shadow:var(--sh-2);padding:6px 12px;display:none}
  .nav-links.nav-open{display:flex}
  .nav-link{border-bottom:1px solid var(--bd);padding:14px 8px}
  .nav-link:last-child{border-bottom:0}
  .nav-link.active{border-bottom-color:var(--bd);border-left:3px solid var(--c-primary);padding-left:12px}
  .nav-band{position:sticky}
  .search-pop{width:min(88vw,320px);right:-8px}
  .page-hero{min-height:260px}
  .hero-inner{padding:40px 16px}
  .rec-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
}
@media (max-width:575px){
  .section{padding:44px 0}
  .nav-top .container{height:54px}
  .top-link{display:none}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .stats{grid-template-columns:1fr}
  .stat{padding:20px 16px}
  .foot-form-row{flex-direction:column}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .backtop{right:16px;bottom:16px}
}