/* roulang page: index */
:root{
  --brand-1:#E8552B;
  --brand-2:#C93A1E;
  --brand-grad:linear-gradient(118deg,#E8552B 0%,#F08A2E 52%,#F6B93B 100%);
  --accent:#1F6E5C;
  --bg:#FBF7F1;
  --bg-alt:#F4EDE4;
  --surface:#FFFFFF;
  --ink:#241C17;
  --ink-2:#6B5E55;
  --line:#E7DCD1;
  --ok:#2E8B6B;
  --warn:#D9822B;
  --error:#C0392B;
  --r-card:20px;
  --r-lg:24px;
  --r-xl:32px;
  --r-input:14px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(36,28,23,.06);
  --sh-2:0 12px 28px rgba(232,85,43,.16);
  --sh-bar:0 -6px 20px rgba(36,28,23,.08);
  --container:1200px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  padding-bottom:104px;
}
body.bar-hidden{padding-bottom:0}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:800}
p{margin:0}
svg{display:block}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,3vw,34px)}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

.tag{
  display:inline-block;
  padding:5px 13px;
  border-radius:var(--r-pill);
  background:#FDEDE4;
  color:#C93A1E;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
}
.tag-accent{background:rgba(31,110,92,.1);color:var(--accent)}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 28px;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 6px 16px rgba(232,85,43,.22)}
.btn-primary:hover{filter:saturate(1.08) brightness(.96);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 3px 10px rgba(232,85,43,.2)}
.btn-ghost{background:var(--surface);color:var(--brand-1);border:1px solid rgba(232,85,43,.38)}
.btn-ghost:hover{background:#FDEDE4;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-white{background:#fff;color:var(--brand-2);box-shadow:0 8px 20px rgba(36,28,23,.14)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(36,28,23,.2)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.55;cursor:not-allowed;pointer-events:none}
.link-arrow{color:var(--brand-1);font-weight:600;font-size:15px;border-bottom:2px solid transparent;padding-bottom:2px;transition:border-color .2s,color .2s}
.link-arrow:hover{border-color:var(--brand-1);color:var(--brand-2)}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(251,247,241,.88);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 8px 22px rgba(36,28,23,.07)}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--brand-grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;letter-spacing:0;
  box-shadow:0 4px 12px rgba(232,85,43,.25);
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.nav-search{
  flex:1 1 auto;
  min-width:0;
  max-width:560px;
  display:flex;
  align-items:center;
  gap:8px;
  padding:4px 4px 4px 16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:border-color .2s,box-shadow .2s;
}
.nav-search:focus-within{border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(232,85,43,.14)}
.nav-search .search-ico{flex:0 0 auto;color:#A79A8E}
.nav-search input{
  flex:1 1 auto;
  min-width:0;
  height:40px;
  border:0;
  outline:0;
  background:transparent;
  font-size:14.5px;
}
.nav-search input::placeholder{color:#A79A8E}
.nav-search button{
  flex:0 0 auto;
  height:40px;
  padding:0 20px;
  border-radius:var(--r-pill);
  background:var(--brand-grad);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:filter .2s,transform .2s;
}
.nav-search button:hover{filter:brightness(.95)}
.nav-search button:active{transform:scale(.98)}
.nav-links{display:flex;align-items:center;gap:22px;font-size:14.5px;font-weight:500;color:var(--ink-2);margin-left:auto}
.nav-links a{position:relative;padding:6px 0;white-space:nowrap;transition:color .2s}
.nav-links a:hover{color:var(--brand-1)}
.nav-links a.active{color:var(--brand-1);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:3px;
  border-radius:3px;background:var(--brand-grad);
}
.nav-cta{flex:0 0 auto}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;
  color:var(--ink);
}
.mobile-panel{
  display:none;
  border-top:1px solid var(--line);
  background:var(--surface);
  padding:18px 0 22px;
}
.mobile-panel.open{display:block}
.mobile-panel .m-search{
  display:flex;align-items:center;gap:8px;
  padding:4px 4px 4px 16px;margin-bottom:16px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-pill);
}
.mobile-panel .m-search input{flex:1 1 auto;min-width:0;height:40px;border:0;background:transparent;outline:0;font-size:15px}
.mobile-panel .m-search button{height:40px;padding:0 18px;border-radius:var(--r-pill);background:var(--brand-grad);color:#fff;font-size:14px;font-weight:600}
.mobile-panel nav{display:flex;flex-direction:column}
.mobile-panel nav a{
  padding:14px 4px;
  border-bottom:1px solid var(--line);
  font-size:15.5px;
  color:var(--ink-2);
}
.mobile-panel nav a.active{color:var(--brand-1);font-weight:700}
.mobile-panel .btn{width:100%;margin-top:18px}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:56px 0 76px;
  background-image:
    linear-gradient(180deg,rgba(251,247,241,.95) 0%,rgba(251,247,241,.88) 55%,rgba(251,247,241,.97) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center}
.hero-copy h1{
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.2;
  margin:18px 0 0;
}
.hero-sub{
  margin-top:20px;
  font-size:17.5px;
  line-height:1.8;
  color:var(--ink-2);
  max-width:560px;
}
.hero-search{
  display:flex;
  align-items:center;
  gap:8px;
  margin-top:26px;
  max-width:520px;
  padding:5px 5px 5px 18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  transition:border-color .2s,box-shadow .2s;
}
.hero-search:focus-within{border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(232,85,43,.14)}
.hero-search input{flex:1 1 auto;min-width:0;height:44px;border:0;outline:0;background:transparent;font-size:15px}
.hero-search input::placeholder{color:#A79A8E}
.hero-search button{
  flex:0 0 auto;
  height:44px;
  padding:0 24px;
  border-radius:var(--r-pill);
  background:var(--brand-grad);
  color:#fff;
  font-weight:600;
  font-size:14.5px;
  transition:filter .2s,transform .2s;
}
.hero-search button:hover{filter:brightness(.95)}
.hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:28px}
.badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.badge{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:10px 18px;
  background:var(--surface);
  border:1px solid rgba(232,85,43,.2);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
}
.badge b{font-size:19px;font-weight:800;color:var(--brand-1);line-height:1;letter-spacing:-.02em}
.badge span{font-size:13px;color:var(--ink-2)}
.hero-visual{position:relative;padding:0 16px 16px 0}
.hero-deco{
  position:absolute;
  right:0;bottom:0;
  width:74%;height:74%;
  border-radius:var(--r-lg);
  background:var(--brand-grad);
  opacity:.92;
}
.hero-card{
  position:relative;
  z-index:2;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--sh-2);
  aspect-ratio:4/3;
}
.hero-card img{width:100%;height:100%;object-fit:cover}

/* ============ 卖点错位卡 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:start}
.feature-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:30px 28px;
  box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.feature-card:nth-child(2){transform:translateY(28px)}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2);border-color:rgba(232,85,43,.3)}
.feature-card:nth-child(2):hover{transform:translateY(22px)}
.card-icon{
  width:52px;height:52px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  background:#FDEDE4;color:var(--brand-1);
  margin-bottom:20px;
}
.feature-card:nth-child(2) .card-icon{background:rgba(31,110,92,.1);color:var(--accent)}
.feature-card:nth-child(3) .card-icon{background:rgba(217,130,43,.13);color:var(--warn)}
.feature-card h3{font-size:20px;margin-bottom:12px}
.feature-card p{color:var(--ink-2);font-size:15px;line-height:1.8}
.feature-card .link-arrow{display:inline-block;margin-top:18px;font-size:14.5px}

/* ============ 左右分栏场景 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.steps{border-left:2px solid var(--line);padding-left:0}
.step{display:flex;gap:20px;padding:18px 0 18px 22px;position:relative}
.step-num{
  flex:0 0 auto;
  width:40px;height:40px;border-radius:13px;
  background:var(--brand-grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:14.5px;font-weight:800;
  box-shadow:0 6px 14px rgba(232,85,43,.22);
}
.step h3{font-size:17.5px;margin-bottom:6px}
.step p{font-size:14.8px;color:var(--ink-2);line-height:1.75}
.split-media{position:relative}
.split-media .media-card{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--sh-1);
  aspect-ratio:16/11;
}
.split-media .media-card img{width:100%;height:100%;object-fit:cover}
.split-media .float-note{
  position:absolute;
  left:-14px;bottom:22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  padding:14px 18px;
  box-shadow:var(--sh-2);
  max-width:250px;
}
.split-media .float-note b{display:block;font-size:14.5px;color:var(--brand-1);margin-bottom:4px}
.split-media .float-note span{font-size:13px;color:var(--ink-2);line-height:1.6}

/* ============ 横向流程条 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:flow}
.flow-item{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 24px 26px;
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.flow-item::before{
  counter-increment:flow;
  content:"0" counter(flow);
  display:block;
  font-size:13px;
  font-weight:800;
  letter-spacing:.1em;
  color:var(--brand-1);
  margin-bottom:12px;
}
.flow-item::after{
  content:"";
  position:absolute;left:0;top:0;height:4px;width:100%;
  background:var(--brand-grad);
  opacity:.85;
}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.flow-item h3{font-size:17px;margin-bottom:10px}
.flow-item p{font-size:14.5px;color:var(--ink-2);line-height:1.75}

/* ============ 最新信息 CMS ============ */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.news-head .section-head{margin-bottom:0}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.post-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.post-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2);border-color:rgba(232,85,43,.28)}
.post-thumb{aspect-ratio:16/10;overflow:hidden;border-bottom:1px solid var(--line);background:var(--bg-alt)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-2);flex-wrap:wrap}
.post-meta .cat{padding:3px 11px;border-radius:var(--r-pill);background:#FDEDE4;color:#C93A1E;font-weight:600}
.post-meta .dot{width:1px;height:12px;background:var(--line);display:inline-block}
.post-title{
  font-size:17.5px;
  line-height:1.5;
  font-weight:700;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s;
}
.post-card:hover .post-title{color:var(--brand-1)}
.post-excerpt{
  font-size:14.5px;
  color:var(--ink-2);
  line-height:1.72;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-more{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand-1)}
.skeleton-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.skeleton-line{height:12px;border-radius:8px;background:linear-gradient(90deg,#EFE6DC 25%,#F7F1E9 50%,#EFE6DC 75%);background-size:400% 100%;animation:sk 1.4s ease infinite;margin:14px 22px}
.skeleton-line.h1{height:18px;margin-top:20px}
.skeleton-line.w60{width:60%}
.skeleton-block{height:180px;background:linear-gradient(90deg,#EFE6DC 25%,#F7F1E9 50%,#EFE6DC 75%);background-size:400% 100%;animation:sk 1.4s ease infinite}
@keyframes sk{0%{background-position:100% 0}100%{background-position:0 0}}
.empty-state{
  grid-column:1/-1;
  text-align:center;
  padding:60px 24px;
  background:var(--surface);
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
}
.empty-state .empty-ico{
  width:64px;height:64px;border-radius:20px;margin:0 auto 18px;
  background:#FDEDE4;color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;
}
.empty-state p{color:var(--ink-2);margin-bottom:20px;font-size:15.5px}

/* ============ 社会认同 ============ */
.proof-track{
  display:flex;
  gap:20px;
  overflow-x:auto;
  padding:6px 4px 22px;
  scroll-snap-type:x proximity;
}
.proof-track::-webkit-scrollbar{height:8px}
.proof-track::-webkit-scrollbar-track{background:var(--bg-alt);border-radius:99px}
.proof-track::-webkit-scrollbar-thumb{background:#E2D5C7;border-radius:99px}
.proof-card{
  flex:0 0 auto;
  width:300px;
  scroll-snap-align:start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:14px;
  min-height:196px;
  box-shadow:var(--sh-1);
}
.proof-card.w-md{width:352px}
.proof-card.w-sm{width:252px}
.proof-card .stat-label{font-size:13px;color:var(--ink-2);letter-spacing:.02em}
.proof-card .stat-num{
  font-size:30px;
  font-weight:800;
  line-height:1.1;
  letter-spacing:-.02em;
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.proof-card .quote{font-size:14.8px;line-height:1.78;color:var(--ink)}
.proof-card .who{display:flex;align-items:center;gap:10px;margin-top:auto;font-size:13px;color:var(--ink-2)}
.proof-avatar{
  width:34px;height:34px;border-radius:var(--r-pill);
  background:var(--brand-grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:12.5px;font-weight:700;
}
.proof-logo{
  font-size:15px;font-weight:800;color:var(--accent);
  letter-spacing:.02em;
  padding:8px 14px;border-radius:12px;background:rgba(31,110,92,.08);
  align-self:flex-start;
}

/* ============ FAQ ============ */
.faq-list{max-width:920px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq-item.open{border-color:rgba(232,85,43,.32);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:56px;
  padding:18px 26px;
  text-align:left;
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink);
}
.faq-q:hover{color:var(--brand-1)}
.faq-icon{
  flex:0 0 auto;
  width:32px;height:32px;border-radius:var(--r-pill);
  border:1px solid rgba(232,85,43,.32);
  color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:400;line-height:1;
  transition:transform .3s ease,background-color .3s ease,color .3s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand-grad);color:#fff;border-color:transparent}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a-inner{
  margin:0 26px 22px;
  padding:16px 20px;
  background:var(--bg-alt);
  border-radius:var(--r-input);
  color:var(--ink-2);
  font-size:15px;
  line-height:1.85;
}
.faq-a-inner p+p{margin-top:.8em}

/* ============ CTA ============ */
.cta-band{
  background:var(--brand-grad);
  border-radius:var(--r-xl);
  padding:56px 52px;
  color:#fff;
  display:grid;
  grid-template-columns:1.45fr .55fr;
  gap:36px;
  align-items:center;
  box-shadow:0 18px 40px rgba(232,85,43,.22);
}
.cta-band h2{font-size:clamp(23px,2.8vw,32px);color:#fff}
.cta-band p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.92);line-height:1.8;max-width:620px}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.cta-actions .btn{width:100%}
.cta-note{font-size:13px;color:rgba(255,255,255,.86)}

/* ============ 吸底转化条 ============ */
.sticky-bar{
  position:fixed;
  left:50%;
  bottom:22px;
  z-index:90;
  transform:translateX(-50%) translateY(180%);
  display:flex;
  align-items:center;
  gap:20px;
  max-width:calc(100% - 40px);
  padding:12px 12px 12px 26px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-bar);
  transition:transform .38s cubic-bezier(.22,.8,.34,1);
}
.sticky-bar.show{transform:translateX(-50%) translateY(0)}
.sticky-bar .bar-text{font-size:14.5px;color:var(--ink);white-space:nowrap}
.sticky-bar .bar-text b{color:var(--brand-1)}
.bar-close{
  flex:0 0 auto;
  width:32px;height:32px;border-radius:var(--r-pill);
  display:flex;align-items:center;justify-content:center;
  color:var(--ink-2);
  border:1px solid var(--line);
  transition:background-color .2s,color .2s;
}
.bar-close:hover{background:var(--bg-alt);color:var(--ink)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:24px;
  background:var(--bg-alt);
  border-top:1px solid var(--line);
  border-radius:24px 24px 0 0;
  padding:60px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:44px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand p{font-size:14.5px;color:var(--ink-2);line-height:1.85;max-width:420px}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--ink)}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14.5px;color:var(--ink-2);transition:color .2s,padding-left .2s}
.footer-col a:hover{color:var(--brand-1);padding-left:4px}
.footer-bottom{
  margin-top:48px;
  border-top:1px solid var(--line);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--ink-2);
}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .nav-links{gap:18px;font-size:14px}
  .nav-search{max-width:420px}
}
@media (max-width:1100px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-wrap{gap:14px}
  .nav-search{max-width:none}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .hero{padding:44px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual{padding:0 14px 14px 0;max-width:560px}
  .feature-grid{grid-template-columns:repeat(2,1fr);gap:22px}
  .feature-card:nth-child(2){transform:none}
  .feature-card:nth-child(2):hover{transform:translateY(-6px)}
  .split{grid-template-columns:1fr;gap:40px}
  .flow-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .news-grid{grid-template-columns:repeat(2,1fr);gap:22px}
  .cta-band{grid-template-columns:1fr;padding:44px 36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:767px){
  body{font-size:15.5px;padding-bottom:96px}
  .container{padding:0 18px}
  .section{padding:48px 0}
  .section-head{margin-bottom:32px}
  .nav-wrap{min-height:64px;gap:10px}
  .logo-text{font-size:15.5px}
  .logo-mark{width:34px;height:34px;border-radius:10px;font-size:13px}
  .nav-search{display:none}
  .nav-toggle{margin-left:auto}
  .hero{padding:32px 0 48px}
  .hero-sub{font-size:16px;margin-top:16px}
  .hero-search{max-width:none}
  .hero-search button{padding:0 18px}
  .hero-actions{gap:16px}
  .badges{gap:10px;margin-top:26px}
  .badge{padding:9px 14px}
  .badge b{font-size:17px}
  .feature-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .steps{padding-left:0}
  .split-media .float-note{left:0;bottom:14px;position:static;margin-top:14px;max-width:none}
  .cta-band{padding:36px 22px;border-radius:24px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .faq-q{padding:16px 18px;font-size:15.8px}
  .faq-a-inner{margin:0 18px 18px;padding:14px 16px}
  .sticky-bar{
    left:0;right:0;bottom:0;
    max-width:none;
    width:100%;
    transform:translateY(180%);
    border-radius:0;
    border-left:0;border-right:0;border-bottom:0;
    padding:12px 16px;
    gap:12px;
    justify-content:space-between;
  }
  .sticky-bar.show{transform:translateY(0)}
  .sticky-bar .bar-text{font-size:13.5px;white-space:normal;line-height:1.5}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .proof-card.w-md,.proof-card.w-sm{width:280px}
}
@media (max-width:480px){
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .hero-search button{padding:0 16px;font-size:14px}
  .badge{width:100%;justify-content:flex-start}
  .sticky-bar .btn{width:auto}
  .proof-card,.proof-card.w-md,.proof-card.w-sm{width:250px}
}

/* roulang page: category1 */
:root{
  --brand-1:#E8552B;
  --brand-2:#C93A1E;
  --brand-grad:linear-gradient(118deg,#E8552B 0%,#F08A2E 52%,#F6B93B 100%);
  --accent:#1F6E5C;
  --accent-soft:rgba(31,110,92,.12);
  --bg:#FBF7F1;
  --bg-alt:#F4EDE4;
  --surface:#FFFFFF;
  --ink:#241C17;
  --ink-2:#6B5E55;
  --line:#E7DCD1;
  --ok:#2E8B6B;
  --warn:#D9822B;
  --error:#C0392B;
  --orange-soft:#FDEDE4;
  --radius-xl:24px;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-1:0 2px 8px rgba(36,28,23,.06);
  --shadow-2:0 12px 28px rgba(232,85,43,.16);
  --shadow-bar:0 -6px 20px rgba(36,28,23,.08);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  padding-bottom:104px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand-1);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-2);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

.skip-link{
  position:absolute;
  left:-9999px;
  top:0;
  background:var(--surface);
  color:var(--brand-1);
  padding:10px 18px;
  border-radius:0 0 var(--radius-sm) 0;
  z-index:200;
}
.skip-link:focus{left:0;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(251,247,241,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(36,28,23,.08);}
.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--ink);
}
.logo-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius:13px;
  background-image:var(--brand-grad);
  color:#fff;
  font-weight:800;
  font-size:16px;
  letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(232,85,43,.28);
}
.logo-text{
  font-size:18px;
  font-weight:700;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.logo:hover{color:var(--brand-1);}

.nav-search{
  flex:1 1 auto;
  max-width:520px;
  display:flex;
  align-items:center;
  gap:8px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:999px;
  padding:5px 5px 5px 16px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search:focus-within{
  border-color:var(--brand-1);
  box-shadow:0 0 0 3px rgba(232,85,43,.14);
}
.nav-search svg{flex-shrink:0;color:var(--ink-2);}
.nav-search input{
  flex:1 1 auto;
  min-width:0;
  height:38px;
  border:0;
  background:transparent;
  font-size:14.5px;
  color:var(--ink);
  outline:none;
}
.nav-search input::placeholder{color:#A2938A;}
.nav-search button{
  flex-shrink:0;
  border:0;
  border-radius:999px;
  padding:9px 20px;
  background-image:var(--brand-grad);
  color:#fff;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:filter .2s ease,transform .2s ease;
}
.nav-search button:hover{filter:brightness(.94);transform:translateY(-1px);}
.nav-search button:active{transform:translateY(1px);}

.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
  flex-shrink:0;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:9px 12px;
  font-size:14.5px;
  color:var(--ink-2);
  border-radius:var(--radius-sm);
  white-space:nowrap;
}
.nav-links a:hover{color:var(--brand-1);background:var(--orange-soft);}
.nav-links a.active{color:var(--brand-1);font-weight:600;}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:2px;
  height:3px;
  border-radius:3px;
  background-image:var(--brand-grad);
}
.nav-cta{flex-shrink:0;}

.menu-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  background:var(--surface);
  border-radius:var(--radius-sm);
  color:var(--ink);
  cursor:pointer;
  flex-shrink:0;
}
.menu-toggle:hover{border-color:var(--brand-1);color:var(--brand-1);}

.mobile-panel{
  display:none;
  border-top:1px solid var(--line);
  background:var(--surface);
  padding:18px 0 22px;
}
.mobile-panel.is-open{display:block;}
.mobile-panel .panel-links{
  display:grid;
  gap:6px;
  margin-top:16px;
}
.mobile-panel .panel-links a{
  padding:12px 14px;
  border-radius:var(--radius-sm);
  color:var(--ink);
  font-size:15px;
  background:var(--bg);
}
.mobile-panel .panel-links a.active{color:var(--brand-1);font-weight:600;background:var(--orange-soft);}
.mobile-panel .btn{width:100%;margin-top:16px;}

/* ============ 按钮体系 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 28px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,filter .2s ease;
}
.btn-primary{
  background-image:var(--brand-grad);
  color:#fff;
  box-shadow:0 6px 18px rgba(232,85,43,.24);
}
.btn-primary:hover{color:#fff;filter:brightness(.94);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(232,85,43,.2);}
.btn-ghost{
  background:var(--surface);
  color:var(--brand-1);
  border-color:rgba(232,85,43,.5);
}
.btn-ghost:hover{background:var(--orange-soft);color:var(--brand-2);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:9px 20px;font-size:14px;}
.btn:disabled,.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:600;
  color:var(--brand-1);
  border-bottom:2px solid transparent;
  padding-bottom:2px;
  transition:border-color .2s ease,color .2s ease;
}
.link-arrow:hover{border-color:var(--brand-1);color:var(--brand-2);}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:999px;
  font-size:13px;
  line-height:1.6;
  white-space:nowrap;
}
.badge-cat{background:var(--orange-soft);color:var(--brand-2);font-weight:600;}
.badge-ok{background:rgba(46,139,107,.12);color:var(--ok);font-weight:600;}
.badge-warn{background:rgba(217,130,43,.14);color:var(--warn);font-weight:600;}
.badge-accent{background:var(--accent-soft);color:var(--accent);font-weight:600;}

.badge-data{
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  padding:8px 16px;
  border-radius:999px;
  background:var(--surface);
  border:1px solid rgba(232,85,43,.2);
  box-shadow:var(--shadow-1);
}
.badge-data b{font-size:19px;color:var(--brand-1);font-weight:800;line-height:1;}
.badge-data span{font-size:13px;color:var(--ink-2);}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  padding:72px 0 56px;
  background-image:linear-gradient(180deg,rgba(251,247,241,.55),rgba(251,247,241,.97)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.cat-hero-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:32px;
  align-items:end;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--ink-2);
  margin-bottom:18px;
}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--brand-1);}
.breadcrumb span.sep{color:#BFB0A5;}
.cat-hero h1{
  font-size:clamp(30px,4.4vw,50px);
  font-weight:800;
  margin-bottom:16px;
}
.cat-hero h1 em{
  font-style:normal;
  background-image:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.cat-hero p.lead{
  max-width:660px;
  font-size:17px;
  color:var(--ink-2);
  margin:0;
}
.cat-hero-aside{
  display:flex;
  flex-direction:column;
  gap:12px;
  align-items:flex-end;
}
.cat-hero-figure{
  width:220px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.cat-hero-figure img{width:100%;height:140px;object-fit:cover;}

.anchor-bar{
  margin-top:34px;
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding-bottom:6px;
  scrollbar-width:thin;
}
.anchor-bar::-webkit-scrollbar{height:5px;}
.anchor-bar::-webkit-scrollbar-thumb{background:var(--line);border-radius:5px;}
.anchor-bar a{
  flex:0 0 auto;
  padding:8px 18px;
  border-radius:999px;
  background:var(--surface);
  border:1px solid var(--line);
  font-size:14px;
  color:var(--ink-2);
  transition:all .2s ease;
}
.anchor-bar a:hover{
  border-color:var(--brand-1);
  color:var(--brand-1);
  background:var(--orange-soft);
  transform:translateY(-2px);
}

/* ============ 分类主体：左窄锚点 + 右大卡 ============ */
.cat-main{padding:76px 0 20px;}
.cat-layout{
  display:grid;
  grid-template-columns:250px minmax(0,1fr);
  gap:32px;
  align-items:start;
}
.cat-side{
  position:sticky;
  top:96px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:22px 20px;
  box-shadow:var(--shadow-1);
}
.cat-side h2{
  font-size:15px;
  color:var(--ink-2);
  font-weight:600;
  letter-spacing:.04em;
  margin-bottom:14px;
}
.cat-side ol{display:grid;gap:4px;counter-reset:side;}
.cat-side ol li a{
  display:flex;
  align-items:baseline;
  gap:10px;
  padding:9px 10px;
  border-radius:10px;
  font-size:14.5px;
  color:var(--ink);
  transition:background .2s ease,color .2s ease;
}
.cat-side ol li a::before{
  counter-increment:side;
  content:"0" counter(side);
  font-size:12px;
  font-weight:700;
  color:var(--brand-1);
  letter-spacing:.04em;
}
.cat-side ol li a:hover{background:var(--orange-soft);color:var(--brand-2);}
.cat-side .side-note{
  margin-top:18px;
  padding-top:16px;
  border-top:1px dashed var(--line);
  font-size:13px;
  color:var(--ink-2);
  line-height:1.75;
}

.cat-content{display:grid;gap:26px;}

.info-card{
  display:grid;
  grid-template-columns:300px minmax(0,1fr);
  gap:0;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .28s ease,box-shadow .28s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.info-card .card-media{
  position:relative;
  min-height:100%;
  border-right:1px solid var(--line);
}
.info-card .card-media img{
  width:100%;
  height:100%;
  min-height:260px;
  object-fit:cover;
}
.info-card .card-body{
  padding:30px 32px;
}
.info-card .card-top{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
  flex-wrap:wrap;
}
.info-card h3{
  font-size:clamp(19px,2.2vw,23px);
  margin-bottom:12px;
}
.info-card p{color:var(--ink-2);font-size:15.5px;}
.tick-list{display:grid;gap:10px;margin:16px 0 18px;}
.tick-list li{
  position:relative;
  padding-left:28px;
  font-size:15px;
  color:var(--ink);
  line-height:1.75;
}
.tick-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:16px;
  height:16px;
  border-radius:50%;
  background:var(--accent-soft);
  border:1px solid rgba(31,110,92,.35);
}
.tick-list li::after{
  content:"";
  position:absolute;
  left:5px;
  top:14px;
  width:6px;
  height:3px;
  border-left:2px solid var(--accent);
  border-bottom:2px solid var(--accent);
  transform:rotate(-45deg);
}
.num-list{display:grid;gap:12px;margin:16px 0 18px;counter-reset:step;}
.num-list li{
  position:relative;
  padding-left:38px;
  font-size:15px;
  color:var(--ink);
  line-height:1.75;
}
.num-list li::before{
  counter-increment:step;
  content:counter(step);
  position:absolute;
  left:0;
  top:2px;
  width:24px;
  height:24px;
  border-radius:50%;
  background-image:var(--brand-grad);
  color:#fff;
  font-size:12.5px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
}

/* ============ 要点清单条 ============ */
.checklist{
  margin-top:80px;
  background:var(--bg-alt);
  border-radius:var(--radius-xl);
  padding:48px 44px;
}
.section-head{margin-bottom:28px;}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--accent);
  letter-spacing:.08em;
  margin-bottom:12px;
}
.section-head .eyebrow::before{
  content:"";
  width:20px;
  height:2px;
  background:var(--accent);
  border-radius:2px;
}
.section-head h2{font-size:clamp(24px,3vw,34px);}
.section-head p{color:var(--ink-2);margin:10px 0 0;max-width:720px;}

.check-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.check-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:24px 24px 22px;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.check-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(232,85,43,.35);}
.check-item .dot{
  width:10px;
  height:10px;
  border-radius:50%;
  background-image:var(--brand-grad);
  margin-bottom:14px;
}
.check-item h4{font-size:17px;margin-bottom:8px;}
.check-item p{font-size:14.5px;color:var(--ink-2);margin:0;}

/* ============ FAQ ============ */
.faq-section{padding:80px 0 0;}
.faq-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:14px 28px;
  box-shadow:var(--shadow-1);
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:22px 0;
  min-height:56px;
  background:none;
  border:0;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand-1);}
.faq-q .plus{
  flex-shrink:0;
  width:28px;
  height:28px;
  border-radius:50%;
  border:1px solid var(--line);
  position:relative;
  transition:transform .28s ease,border-color .28s ease,background .28s ease;
}
.faq-q .plus::before,
.faq-q .plus::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  background:var(--brand-1);
  border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-q .plus::before{width:12px;height:2px;}
.faq-q .plus::after{width:2px;height:12px;}
.faq-item.is-open .faq-q{color:var(--brand-1);}
.faq-item.is-open .plus{transform:rotate(45deg);border-color:var(--brand-1);background:var(--orange-soft);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .34s ease;
}
.faq-a .faq-a-inner{
  background:var(--bg-alt);
  border-radius:var(--radius-md);
  padding:18px 20px;
  margin:0 0 22px;
  font-size:15px;
  color:var(--ink-2);
}
.faq-a .faq-a-inner p{margin:0 0 .8em;}
.faq-a .faq-a-inner p:last-child{margin-bottom:0;}

/* ============ CTA ============ */
.cta-section{padding:80px 0 96px;}
.cta-box{
  position:relative;
  border-radius:var(--radius-xl);
  background-image:var(--brand-grad);
  padding:56px 52px;
  color:#fff;
  overflow:hidden;
}
.cta-box::after{
  content:"";
  position:absolute;
  right:-60px;
  bottom:-70px;
  width:280px;
  height:280px;
  border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-box h2{
  font-size:clamp(24px,3vw,34px);
  margin-bottom:14px;
  position:relative;
  z-index:1;
}
.cta-box p{
  max-width:620px;
  color:rgba(255,255,255,.92);
  margin-bottom:26px;
  position:relative;
  z-index:1;
}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}
.cta-box .btn-primary{
  background:#fff;
  color:var(--brand-2);
  box-shadow:0 8px 22px rgba(36,28,23,.16);
}
.cta-box .btn-primary:hover{color:var(--brand-2);background:#FFF6EE;}
.cta-box .btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.75);
  color:#fff;
}
.cta-box .btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;}

/* ============ 吸底转化条 ============ */
.sticky-bar{
  position:fixed;
  left:0;
  right:0;
  bottom:20px;
  z-index:90;
  display:flex;
  justify-content:center;
  pointer-events:none;
  opacity:0;
  transform:translateY(16px);
  transition:opacity .3s ease,transform .3s ease;
}
.sticky-bar.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.sticky-bar.is-closed{display:none;}
.sticky-inner{
  display:flex;
  align-items:center;
  gap:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:999px;
  padding:10px 12px 10px 26px;
  box-shadow:var(--shadow-bar);
  max-width:760px;
}
.sticky-text{font-size:14.5px;color:var(--ink);line-height:1.6;}
.sticky-close{
  width:32px;
  height:32px;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--bg);
  color:var(--ink-2);
  font-size:16px;
  line-height:1;
  cursor:pointer;
  flex-shrink:0;
}
.sticky-close:hover{border-color:var(--brand-1);color:var(--brand-1);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:40px;
  background:var(--bg-alt);
  border-top:1px solid var(--line);
  border-radius:24px 24px 0 0;
  padding:56px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr;
  gap:36px;
  padding-bottom:34px;
}
.footer-brand p{
  margin-top:16px;
  font-size:14.5px;
  color:var(--ink-2);
  max-width:400px;
  line-height:1.85;
}
.footer-col h4{
  font-size:15px;
  margin-bottom:16px;
  color:var(--ink);
}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{
  font-size:14.5px;
  color:var(--ink-2);
}
.footer-col ul a:hover{color:var(--brand-1);}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  border-top:1px solid var(--line);
  padding-top:22px;
  font-size:13px;
  color:var(--ink-2);
}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  .nav-links a{padding:9px 9px;font-size:14px;}
  .nav-search{max-width:400px;}
}

@media (max-width:1023px){
  .container{padding:0 24px;}
  .header-inner{
    display:grid;
    grid-template-columns:1fr auto auto;
    align-items:center;
    gap:12px;
    padding:12px 0;
    min-height:64px;
  }
  .logo{order:1;}
  .nav-cta{order:2;}
  .menu-toggle{display:inline-flex;order:3;}
  .nav-links{display:none;}
  .nav-search{order:4;grid-column:1/-1;max-width:none;flex:none;width:100%;}
  .cat-hero{padding:52px 0 44px;}
  .cat-hero-inner{grid-template-columns:1fr;align-items:start;}
  .cat-hero-aside{flex-direction:row;align-items:center;flex-wrap:wrap;}
  .cat-hero-figure{width:180px;}
  .cat-hero-figure img{height:120px;}
  .cat-layout{grid-template-columns:1fr;}
  .cat-side{position:static;}
  .cat-side ol{grid-template-columns:repeat(2,minmax(0,1fr));}
  .info-card{grid-template-columns:250px minmax(0,1fr);}
  .check-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .checklist{padding:40px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}

@media (max-width:767px){
  .container{padding:0 18px;}
  body{font-size:15.5px;padding-bottom:132px;}
  .logo-text{font-size:16spx;font-size:16px;}
  .logo-mark{width:38px;height:38px;border-radius:11px;font-size:15px;}
  .nav-search{display:none;}
  .nav-cta{display:none;}
  .header-inner{grid-template-columns:1fr auto;}
  .cat-hero h1{font-size:clamp(27px,8vw,34px);}
  .cat-hero p.lead{font-size:15.5px;}
  .cat-main{padding:48px 0 0;}
  .info-card{grid-template-columns:1fr;}
  .info-card .card-media{border-right:0;border-bottom:1px solid var(--line);}
  .info-card .card-media img{min-height:200px;height:200px;}
  .info-card .card-body{padding:24px 20px;}
  .cat-side ol{grid-template-columns:1fr;}
  .checklist{padding:32px 20px;margin-top:56px;}
  .check-grid{grid-template-columns:1fr;}
  .faq-section{padding:56px 0 0;}
  .faq-wrap{padding:6px 18px;}
  .faq-q{font-size:15.5px;padding:18px 0;}
  .cta-section{padding:56px 0 64px;}
  .cta-box{padding:36px 24px;}
  .cta-actions .btn{width:100%;}
  .sticky-bar{bottom:0;}
  .sticky-inner{
    width:100%;
    max-width:none;
    border-radius:0;
    border-left:0;
    border-right:0;
    border-bottom:0;
    padding:12px 16px;
    gap:12px;
    flex-wrap:wrap;
  }
  .sticky-text{flex:1 1 100%;font-size:14px;}
  .sticky-inner .btn{flex:1 1 auto;}
  .site-footer{padding:40px 0 22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

@media (max-width:480px){
  body{font-size:15px;}
  .cat-hero-aside{width:100%;}
  .cat-hero-figure{width:100%;}
  .cat-hero-figure img{height:150px;}
  .anchor-bar a{font-size:13.5px;padding:7px 15px;}
  .btn{width:100%;}
  .badge-data{padding:7px 14px;}
  .badge-data b{font-size:17px;}
  .cta-box h2{font-size:23px;}
}

/* roulang page: article */
:root{
  --brand-1:#E8552B;
  --brand-2:#C93A1E;
  --brand-grad:linear-gradient(118deg,#E8552B 0%,#F08A2E 52%,#F6B93B 100%);
  --accent:#1F6E5C;
  --bg:#FBF7F1;
  --bg-alt:#F4EDE4;
  --surface:#FFFFFF;
  --ink:#241C17;
  --ink-2:#6B5E55;
  --line:#E7DCD1;
  --ok:#2E8B6B;
  --warn:#D9822B;
  --error:#C0392B;
  --r-sm:12px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(36,28,23,.06);
  --sh-2:0 12px 28px rgba(232,85,43,.16);
  --sh-3:0 12px 28px rgba(36,28,23,.10);
  --container:1200px;
  --read:800px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  padding-bottom:56px;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand-1);text-decoration:none;transition:color .2s ease,background-color .2s ease;}
a:hover{color:var(--brand-2);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{letter-spacing:-.01em;line-height:1.28;margin:0;font-weight:800;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(251,247,241,.93);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(36,28,23,.08);}
.header-inner{display:flex;align-items:center;gap:18px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex:none;color:var(--ink);}
.logo:hover{color:var(--ink);}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:var(--brand-grad);color:#fff;
  font-weight:800;font-size:15px;letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(232,85,43,.28);
}
.logo-text{font-weight:800;font-size:17px;white-space:nowrap;}
.nav-search{
  position:relative;display:flex;align-items:center;
  flex:1 1 auto;max-width:520px;min-width:0;height:44px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:0 4px 0 40px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(232,85,43,.16);}
.nav-search .search-ico{position:absolute;left:14px;width:18px;height:18px;color:var(--ink-2);}
.nav-search input{flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:14.5px;}
.nav-search input::placeholder{color:#A79889;}
.search-btn{
  flex:none;height:36px;padding:0 18px;border:0;border-radius:var(--r-pill);
  background:var(--brand-grad);color:#fff;font-size:14px;font-weight:600;
  transition:filter .2s ease,transform .2s ease;
}
.search-btn:hover{filter:brightness(1.05);transform:translateY(-1px);}
.search-btn:active{transform:translateY(1px);}
.nav-links{display:flex;align-items:center;gap:2px;flex:none;}
.nav-links a{
  position:relative;padding:8px 12px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--ink-2);white-space:nowrap;
}
.nav-links a:hover{color:var(--brand-1);background:#FDEDE4;}
.nav-links a.active{color:var(--brand-1);font-weight:700;}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;
  border-radius:2px;background:var(--brand-grad);
}
.nav-cta{flex:none;}
.nav-toggle{
  display:none;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;flex:none;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 20px;}
.mobile-panel.is-open{display:block;}
.nav-search--mobile{max-width:100%;margin-bottom:14px;}
.mobile-links a{display:block;padding:12px 4px;border-bottom:1px solid var(--line);color:var(--ink);font-size:15px;font-weight:500;}
.mobile-links a:hover{color:var(--brand-1);}
.mobile-links a:last-child{border-bottom:0;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;font-size:15px;
  padding:13px 28px;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 6px 16px rgba(232,85,43,.24);}
.btn-primary:hover{color:#fff;filter:brightness(.96);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 3px 10px rgba(232,85,43,.2);}
.btn-ghost{background:#fff;border-color:rgba(232,85,43,.4);color:var(--brand-1);}
.btn-ghost:hover{background:#FDEDE4;color:var(--brand-2);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;padding:44px 0 40px;
  background-image:linear-gradient(180deg,rgba(251,247,241,.88),rgba(251,247,241,.98)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-2);margin-bottom:20px;}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--brand-1);}
.breadcrumb .sep{color:#C7B8A9;}
.article-hero h1{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.3;
  margin:0 0 20px;
  max-width:920px;
}
.meta-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;font-size:13px;color:var(--ink-2);}
.badge-cat{
  display:inline-flex;align-items:center;height:28px;padding:0 13px;
  border-radius:var(--r-pill);background:#FDEDE4;color:var(--brand-2);
  font-weight:600;font-size:13px;
}
.meta-bar .dot{width:4px;height:4px;border-radius:50%;background:#D8C9BA;}

/* ---------- article body ---------- */
.article-shell{padding:56px 0 64px;}
.article-panel{
  max-width:var(--read);margin:0 auto;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-xl);padding:44px 52px;
  box-shadow:var(--sh-1);
}
.article-body{font-size:17px;line-height:1.92;color:var(--ink);}
.article-body p{margin:0 0 1.12em;}
.article-body h2{
  position:relative;padding-left:18px;
  font-size:clamp(21px,2.4vw,27px);
  margin:2.1em 0 .75em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;width:4px;height:1em;
  border-radius:2px;background:var(--brand-grad);
}
.article-body h2:first-child{margin-top:0;}
.article-body h3{font-size:clamp(18px,2vw,21px);margin:1.7em 0 .6em;}
.article-body h4{font-size:17px;margin:1.5em 0 .5em;font-weight:700;}
.article-body ul,.article-body ol{margin:0 0 1.12em;padding-left:1.35em;}
.article-body ul li{list-style:disc;margin:.35em 0;}
.article-body ol li{list-style:decimal;margin:.35em 0;}
.article-body blockquote{
  margin:1.4em 0;padding:16px 22px;
  background:var(--bg-alt);border-left:4px solid var(--brand-1);
  border-radius:0 var(--r-md) var(--r-md) 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;border:1px solid var(--line);margin:1.4em auto;}
.article-body figure{margin:1.4em 0;}
.article-body figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:8px;}
.article-body code{
  background:var(--bg-alt);padding:2px 6px;border-radius:6px;
  font-size:.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  background:var(--bg-alt);border:1px solid var(--line);
  padding:16px 18px;border-radius:var(--r-md);overflow:auto;margin:1.4em 0;
}
.article-body pre code{background:none;padding:0;}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;margin:1.4em 0;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--bg-alt);font-weight:700;}
.article-body a{border-bottom:1px solid rgba(232,85,43,.35);}
.article-body a:hover{border-bottom-color:var(--brand-1);}
.takeaway{
  margin:40px 0 0;padding:22px 26px;
  background:var(--bg-alt);border:1px solid var(--line);
  border-radius:var(--r-lg);
}
.takeaway h3{font-size:16px;margin:0 0 10px;color:var(--brand-2);}
.takeaway ul li{list-style:none;position:relative;padding-left:18px;font-size:15px;color:var(--ink-2);margin:.4em 0;}
.takeaway ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--brand-grad);
}
.empty-state{
  max-width:var(--read);margin:0 auto;text-align:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:64px 32px;box-shadow:var(--sh-1);
}
.empty-state .empty-icon{
  width:64px;height:64px;margin:0 auto 20px;border-radius:20px;
  background:var(--brand-grad);opacity:.9;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:26px;font-weight:800;
}
.empty-state h1{font-size:clamp(22px,2.8vw,30px);margin:0 0 12px;}
.empty-state p{color:var(--ink-2);max-width:460px;margin:0 auto 26px;}

/* ---------- sections ---------- */
.section{padding:64px 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px;}
.section-head h2{font-size:clamp(24px,3vw,34px);}
.section-head p{margin:10px 0 0;color:var(--ink-2);font-size:15.5px;max-width:640px;}
.link-more{font-size:15px;font-weight:600;border-bottom:2px solid rgba(232,85,43,.35);padding-bottom:2px;}
.link-more:hover{border-bottom-color:var(--brand-1);}

/* ---------- related cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.post-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.post-card:hover .thumb img{transform:scale(1.04);}
.post-card .card-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-tags{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-2);margin-bottom:10px;}
.tag-soft{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);background:#FDEDE4;color:var(--brand-2);
  font-size:12.5px;font-weight:600;
}
.card-tags .dot{width:3px;height:3px;border-radius:50%;background:#D8C9BA;}
.post-card h3{font-size:18.5px;line-height:1.45;margin:0 0 10px;transition:color .2s ease;}
.post-card:hover h3{color:var(--brand-1);}
.post-card p{font-size:14.5px;line-height:1.75;color:var(--ink-2);margin:0 0 16px;}
.post-card .card-foot{margin-top:auto;font-size:14px;font-weight:600;}
.post-card .card-foot span{border-bottom:2px solid rgba(232,85,43,.35);padding-bottom:2px;}
.post-card:hover .card-foot span{border-bottom-color:var(--brand-1);}

/* ---------- cta band ---------- */
.cta-wrap{padding:0 0 72px;}
.cta-band{
  position:relative;overflow:hidden;
  background:var(--brand-grad);border-radius:var(--r-xl);
  padding:44px 48px;color:#fff;
  display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
  box-shadow:0 16px 36px rgba(232,85,43,.24);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);color:#fff;margin-bottom:10px;}
.cta-band p{margin:0;color:rgba(255,255,255,.92);font-size:15.5px;max-width:640px;}
.cta-band .btn{background:#fff;color:var(--brand-2);box-shadow:0 8px 20px rgba(36,28,23,.16);}
.cta-band .btn:hover{color:var(--brand-1);transform:translateY(-2px);}
.cta-figure{
  position:absolute;right:-40px;bottom:-50px;width:180px;height:180px;
  border-radius:50%;background:rgba(255,255,255,.14);
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--bg-alt);
  border-top:1px solid var(--line);
  border-radius:var(--r-xl) var(--r-xl) 0 0;
  padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14.5px;color:var(--ink-2);line-height:1.85;max-width:420px;margin:0;}
.footer-col h4{font-size:15px;margin:0 0 16px;font-weight:700;}
.footer-col ul li{margin:0 0 10px;}
.footer-col ul a{font-size:14.5px;color:var(--ink-2);}
.footer-col ul a:hover{color:var(--brand-1);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--ink-2);
}

/* ---------- back to top ---------- */
.backtop{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh-3);color:var(--ink);
  font-size:14px;font-weight:600;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease,color .2s ease,box-shadow .2s ease;
}
.backtop.is-visible{opacity:1;visibility:visible;transform:none;}
.backtop:hover{color:var(--brand-1);box-shadow:var(--sh-2);}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .article-panel{padding:36px 34px;}
  .section{padding:52px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:767px){
  body{font-size:15.5px;padding-bottom:72px;}
  .container{padding:0 18px;}
  .header-inner{flex-wrap:wrap;height:auto;padding-top:10px;padding-bottom:10px;row-gap:10px;gap:12px;}
  .nav-search{order:5;flex:1 1 100%;max-width:100%;}
  .nav-cta{display:none;}
  .logo{margin-right:auto;}
  .article-hero{padding:30px 0 28px;}
  .article-shell{padding:36px 0 44px;}
  .article-panel{padding:26px 20px;border-radius:var(--r-lg);}
  .article-body{font-size:16px;line-height:1.9;}
  .section{padding:44px 0;}
  .card-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:32px 24px;}
  .cta-figure{display:none;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .backtop{right:16px;bottom:16px;padding:9px 16px;}
}
@media (max-width:480px){
  .btn{width:100%;}
  .nav-cta{width:auto;}
  .meta-bar{gap:8px 12px;}
  .search-btn{padding:0 14px;}
}

/* roulang page: category2 */
:root{
  --brand-1:#E8552B;
  --brand-2:#C93A1E;
  --brand-grad:linear-gradient(118deg,#E8552B 0%,#F08A2E 52%,#F6B93B 100%);
  --accent:#1F6E5C;
  --bg:#FBF7F1;
  --bg-alt:#F4EDE4;
  --surface:#FFFFFF;
  --ink:#241C17;
  --ink-2:#6B5E55;
  --line:#E7DCD1;
  --ok:#2E8B6B;
  --warn:#D9822B;
  --error:#C0392B;
  --r-sm:12px;
  --r-md:20px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(36,28,23,.06);
  --sh-2:0 12px 28px rgba(232,85,43,.16);
  --sh-3:0 -6px 20px rgba(36,28,23,.08);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-bottom:104px;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:inherit}
a{color:var(--brand-1);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-2)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px;
}
button{font-family:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.25;letter-spacing:-.01em;font-weight:800}
h1{font-size:clamp(30px,4.4vw,50px)}
h2{font-size:clamp(24px,3vw,34px)}
h3{font-size:clamp(19px,2.2vw,23px);font-weight:700}
h4{font-size:17px;font-weight:700}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1.1em;padding-left:1.25em}
li{margin-bottom:.45em}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section--alt{background:var(--bg-alt)}
.section-head{max-width:760px;margin:0 auto 44px;text-align:center}
.section-head p{color:var(--ink-2);font-size:16.5px;margin:0}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-2);background:#FDEDE4;border-radius:var(--r-pill);
  padding:6px 15px;margin-bottom:16px;
}
.muted{color:var(--ink-2)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  padding:13px 28px;border-radius:var(--r-pill);font-size:15.5px;font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);filter:saturate(1.08) brightness(.96)}
.btn-primary:active{transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-ghost{background:var(--surface);color:var(--brand-1);border:1px solid rgba(232,85,43,.55)}
.btn-ghost:hover{background:#FDEDE4;color:var(--brand-2);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.link-arrow{font-weight:600;font-size:14.5px;display:inline-flex;align-items:center;gap:6px}
.link-arrow::after{content:"→";transition:transform .2s ease}
.link-arrow:hover{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}
.link-arrow:hover::after{transform:translateX(3px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;line-height:1.5;
}
.badge-cat{background:#FDEDE4;color:#B93A18}
.badge-line{background:var(--surface);color:var(--brand-1);border:1px solid rgba(232,85,43,.2)}
.badge-ok{background:rgba(46,139,107,.12);color:#226B52}
.badge-warn{background:rgba(217,130,43,.12);color:#9A5A16}
.badge-err{background:rgba(192,57,43,.12);color:#96281C}
.badge-accent{background:rgba(31,110,92,.1);color:var(--accent);border:1px solid rgba(31,110,92,.22)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(251,247,241,.9);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(36,28,23,.08)}
.nav-inner{
  display:flex;align-items:center;gap:20px;height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);flex-shrink:0}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--brand-grad);color:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:800;letter-spacing:.02em;
  box-shadow:0 4px 12px rgba(232,85,43,.28);
}
.logo-text{font-size:17px;letter-spacing:-.01em;white-space:nowrap}
.search-box{
  flex:1 1 auto;max-width:520px;min-width:200px;position:relative;display:flex;align-items:center;
}
.search-box .search-icon{
  position:absolute;left:16px;color:var(--ink-2);font-size:15px;pointer-events:none;
}
.search-box input{
  width:100%;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--surface);padding:0 96px 0 42px;font-size:14.5px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-box input::placeholder{color:#A2968B}
.search-box input:focus{outline:none;border-color:var(--brand-1);background:#fff;box-shadow:0 0 0 3px rgba(232,85,43,.14)}
.search-box button{
  position:absolute;right:5px;top:5px;height:34px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--brand-grad);color:#fff;font-size:14px;font-weight:600;
  transition:transform .2s ease,filter .2s ease;
}
.search-box button:hover{filter:brightness(.95);transform:translateY(-1px)}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto;flex-shrink:0}
.nav-links a{
  position:relative;color:var(--ink-2);font-size:15px;font-weight:600;padding:6px 0;
  transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px;
  background:var(--brand-grad);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--brand-1)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--brand-1)}
.nav-links a.active::after{transform:scaleX(1)}
.nav-cta{padding:10px 20px;font-size:14.5px}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:.2s}
.menu-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle.is-open span:nth-child(2){opacity:0}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{
  display:none;border-top:1px solid var(--line);background:var(--surface);padding:16px 0 22px;
}
.mobile-panel.is-open{display:block}
.mobile-panel .search-box{max-width:none;margin-bottom:14px}
.mobile-panel .nav-links{display:block;margin:0}
.mobile-panel .nav-links a{display:block;padding:12px 4px;border-bottom:1px solid var(--line);font-size:15.5px}
.mobile-panel .nav-links a::after{display:none}
.mobile-panel .nav-links a.active{color:var(--brand-1)}
.mobile-panel .btn{width:100%;margin-top:16px}

/* ---------- 面包屑 ---------- */
.crumbs{padding:22px 0 0;font-size:13.5px;color:var(--ink-2)}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0}
.crumbs li{margin:0;display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:#BFB2A6}
.crumbs a{color:var(--ink-2)}
.crumbs a:hover{color:var(--brand-1)}
.crumbs [aria-current]{color:var(--brand-2);font-weight:600}

/* ---------- 分类 Hero（窄版横条） ---------- */
.cat-hero{
  margin-top:20px;border-radius:var(--r-lg);overflow:hidden;position:relative;
  background-image:linear-gradient(120deg,rgba(36,28,23,.78) 0%,rgba(201,58,30,.62) 58%,rgba(246,185,59,.42) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;color:#fff;
  padding:52px 44px;
}
.cat-hero h1{color:#fff;max-width:760px;margin-bottom:14px}
.cat-hero p{max-width:660px;color:rgba(255,255,255,.9);font-size:16.5px;margin:0}
.cat-hero-top{display:flex;justify-content:space-between;gap:28px;align-items:flex-start;flex-wrap:wrap}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.badge-glass{
  display:inline-flex;flex-direction:column;gap:2px;padding:12px 20px;border-radius:16px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.32);color:#fff;
}
.badge-glass strong{font-size:20px;font-weight:800;line-height:1.2}
.badge-glass span{font-size:12.5px;letter-spacing:.02em;opacity:.88}
.hero-side{
  flex-shrink:0;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  border-radius:var(--r-md);padding:16px 20px;min-width:220px;
}
.hero-side h4{color:#fff;margin-bottom:8px;font-size:15px}
.hero-side ul{list-style:none;margin:0;padding:0;font-size:13.5px;color:rgba(255,255,255,.9)}
.hero-side li{margin-bottom:6px;display:flex;gap:8px;align-items:flex-start}
.hero-side li::before{content:"•";color:#F6B93B}

/* ---------- 锚点胶囊条 ---------- */
.anchor-bar{display:flex;gap:10px;overflow-x:auto;padding:20px 0 4px;scrollbar-width:none}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-bar a{
  flex:0 0 auto;padding:9px 18px;border-radius:var(--r-pill);background:var(--surface);
  border:1px solid var(--line);color:var(--ink-2);font-size:14px;font-weight:600;
  transition:.2s;
}
.anchor-bar a:hover{border-color:var(--brand-1);color:var(--brand-1);background:#FDEDE4;transform:translateY(-2px)}

/* ---------- 顶部横向标签条 ---------- */
.tag-strip{
  display:flex;gap:12px;overflow-x:auto;padding:8px 0 28px;scrollbar-width:none;
}
.tag-strip::-webkit-scrollbar{display:none}
.tag-strip .tag{
  flex:0 0 auto;padding:10px 20px;border-radius:var(--r-pill);font-size:14.5px;font-weight:600;
  background:var(--surface);border:1px solid var(--line);color:var(--ink-2);
  transition:transform .2s ease,color .2s ease,border-color .2s ease,background .2s ease;
}
.tag-strip .tag:hover{transform:translateY(-2px);color:var(--brand-1);border-color:rgba(232,85,43,.45)}
.tag-strip .tag.is-active{background:var(--brand-grad);color:#fff;border-color:transparent;box-shadow:0 6px 16px rgba(232,85,43,.24)}
.tag-strip .tag .count{font-size:12.5px;opacity:.75;margin-left:6px}

/* ---------- 双列高清卡 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap)}
.feature-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.feature-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.feature-card:hover .feature-media img{transform:scale(1.04)}
.feature-media .overlay-tag{
  position:absolute;left:16px;top:16px;
}
.feature-body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:12px;flex:1}
.feature-body h3{margin:0}
.feature-body p{margin:0;color:var(--ink-2);font-size:15.5px}
.mini-list{list-style:none;margin:4px 0 0;padding:0;font-size:14.5px;color:var(--ink-2)}
.mini-list li{position:relative;padding-left:20px;margin-bottom:8px}
.mini-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--brand-grad);
}
.feature-foot{margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:13px;color:var(--ink-2)}

/* ---------- 状态面板 ---------- */
.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 32px;box-shadow:var(--sh-1);
}
.panel-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.panel-head h3{margin:0}
.status-row{
  display:grid;grid-template-columns:1.4fr .7fr auto;gap:16px;align-items:center;
  padding:16px 0;border-bottom:1px solid var(--line);
}
.status-row:last-child{border-bottom:0}
.status-row .name{font-weight:700;font-size:15.5px}
.status-row .desc{font-size:14px;color:var(--ink-2);grid-column:1;margin-top:2px}
.status-row .cell{display:flex;flex-direction:column}
.meter{height:8px;border-radius:var(--r-pill);background:var(--bg-alt);overflow:hidden;margin-top:6px}
.meter span{display:block;height:100%;border-radius:var(--r-pill);background:var(--brand-grad)}
.meter.is-ok span{background:linear-gradient(118deg,#2E8B6B,#4FBF95)}
.meter.is-warn span{background:linear-gradient(118deg,#D9822B,#F6B93B)}

/* ---------- 流程编号 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px;box-shadow:var(--sh-1);position:relative;transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step .num{
  display:grid;place-items:center;width:40px;height:40px;border-radius:14px;
  background:var(--brand-grad);color:#fff;font-weight:800;font-size:16px;margin-bottom:16px;
}
.step h4{margin-bottom:8px}
.step p{font-size:14.5px;color:var(--ink-2);margin:0}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split-media{border-radius:var(--r-lg);border:1px solid var(--line);overflow:hidden;box-shadow:var(--sh-1);position:relative}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-media::after{
  content:"";position:absolute;right:-14px;bottom:-14px;width:38%;height:38%;
  border-radius:var(--r-md);background:var(--brand-grad);opacity:.22;z-index:-1;
}
.split h2{margin-bottom:18px}
.split p{color:var(--ink-2)}
.check-list{list-style:none;padding:0;margin:22px 0 0}
.check-list li{position:relative;padding-left:30px;margin-bottom:14px;font-size:15.5px}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;
  background:rgba(31,110,92,.12);color:var(--accent);font-size:12px;font-weight:800;
  display:grid;place-items:center;line-height:1;margin-top:5px;
}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 28px;min-height:56px;text-align:left;font-size:16.5px;font-weight:700;color:var(--ink);
  transition:color .2s ease,background .2s ease;
}
.faq-q:hover{color:var(--brand-1);background:#FDF9F4}
.faq-q .plus{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1px solid rgba(232,85,43,.35);
  color:var(--brand-1);display:grid;place-items:center;font-size:16px;font-weight:700;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item.is-open .plus{transform:rotate(45deg);background:var(--brand-grad);color:#fff;border-color:transparent}
.faq-a{display:none;padding:0 28px 24px}
.faq-item.is-open .faq-a{display:block}
.faq-a-inner{background:var(--bg-alt);border-radius:16px;padding:18px 22px;color:var(--ink-2);font-size:15.5px}
.faq-a-inner p{margin-bottom:.8em}

/* ---------- CTA 区块 ---------- */
.cta-band{
  border-radius:var(--r-lg);padding:56px 44px;color:#fff;position:relative;overflow:hidden;
  background-image:linear-gradient(118deg,rgba(36,28,23,.82),rgba(201,58,30,.72)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--sh-2);
}
.cta-band h2{color:#fff;margin-bottom:10px;max-width:620px}
.cta-band p{color:rgba(255,255,255,.88);max-width:620px;margin:0}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:88px;background:var(--bg-alt);border-top:1px solid var(--line);border-radius:24px 24px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px;padding:56px 0 36px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{color:var(--ink-2);font-size:14.5px;max-width:420px;margin:0}
.footer-col h4{font-size:15px;margin-bottom:16px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a{color:var(--ink-2);font-size:14.5px}
.footer-col a:hover{color:var(--brand-1)}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:13px;color:var(--ink-2);
}

/* ---------- 吸底转化条 ---------- */
.sticky-bar{
  position:fixed;left:50%;bottom:20px;transform:translate(-50%,140%);
  z-index:90;display:flex;align-items:center;gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:12px 14px 12px 26px;box-shadow:var(--sh-3);max-width:860px;width:calc(100% - 48px);
  transition:transform .35s ease,opacity .35s ease;opacity:0;
}
.sticky-bar.is-visible{transform:translate(-50%,0);opacity:1}
.sticky-bar p{margin:0;font-size:15px;font-weight:600;flex:1 1 auto;min-width:0}
.sticky-bar .btn{padding:11px 22px;font-size:14.5px}
.sticky-close{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;background:var(--bg-alt);color:var(--ink-2);
  display:grid;place-items:center;font-size:15px;transition:background .2s ease,color .2s ease;
}
.sticky-close:hover{background:#FDEDE4;color:var(--brand-1)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .search-box{max-width:280px}
  .nav-links{gap:20px}
  .grid-2{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:44px 0 30px}
  .cat-hero{padding:42px 32px}
}
@media (max-width:900px){
  .nav-links,.nav-cta{display:none}
  .menu-toggle{display:flex;margin-left:auto}
  .nav-inner{height:64px;gap:14px}
  .search-box{max-width:none}
}
@media (max-width:767px){
  body{padding-bottom:96px;font-size:15.5px}
  .section{padding:48px 0}
  .cat-hero{border-radius:var(--r-md);padding:32px 22px}
  .cat-hero h1{font-size:clamp(26px,7.5vw,34px)}
  .hero-side{width:100%;min-width:0}
  .steps{grid-template-columns:1fr}
  .panel{padding:24px 20px}
  .status-row{grid-template-columns:1fr;gap:8px}
  .faq-q{padding:18px 20px;font-size:15.5px}
  .faq-a{padding:0 20px 20px}
  .cta-band{padding:38px 24px;border-radius:var(--r-md)}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .sticky-bar{
    left:0;bottom:0;width:100%;max-width:none;transform:translate(0,140%);
    border-radius:0;padding:14px 18px;gap:12px;flex-wrap:wrap;
  }
  .sticky-bar.is-visible{transform:translate(0,0)}
  .sticky-bar p{flex:1 1 100%;font-size:14.5px}
  .sticky-bar .btn{flex:1 1 auto}
  .sticky-close{order:-1;margin-left:auto}
  .search-box input{padding-right:84px}
  .search-box button{padding:0 14px;font-size:13.5px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  body{font-size:15px}
  .feature-body{padding:22px 20px 24px}
  .btn{width:100%}
  .sticky-bar .btn{width:auto}
  .hero-badges{gap:10px}
  .badge-glass{flex:1 1 40%;padding:10px 14px}
}

/* roulang page: category3 */
:root{
  --brand-1:#E8552B;
  --brand-2:#C93A1E;
  --brand-grad:linear-gradient(118deg,#E8552B 0%,#F08A2E 52%,#F6B93B 100%);
  --brand-soft:#FDEDE4;
  --accent:#1F6E5C;
  --bg:#FBF7F1;
  --bg-alt:#F4EDE4;
  --surface:#FFFFFF;
  --ink:#241C17;
  --ink-2:#6B5E55;
  --line:#E7DCD1;
  --ok:#2E8B6B;
  --warn:#D9822B;
  --error:#C0392B;
  --radius-lg:24px;
  --radius:20px;
  --radius-sm:14px;
  --radius-btn:12px;
  --shadow-1:0 2px 8px rgba(36,28,23,.06);
  --shadow-2:0 12px 28px rgba(232,85,43,.16);
  --shadow-3:0 -6px 20px rgba(36,28,23,.08);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  padding-bottom:96px;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-1);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-2);}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input{font:inherit;}
h1,h2,h3,h4{line-height:1.25;letter-spacing:-.01em;margin:0;font-weight:700;color:var(--ink);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:var(--radius-btn);
  font-weight:600;font-size:15px;line-height:1.2;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 6px 18px rgba(232,85,43,.24);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(232,85,43,.3);filter:saturate(1.06);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 10px rgba(232,85,43,.22);}
.btn-ghost{background:var(--surface);color:var(--brand-1);border:1px solid rgba(232,85,43,.42);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-2);border-color:var(--brand-1);}
.btn-text{color:var(--brand-1);font-weight:600;padding:4px 0;}
.btn-text:hover{color:var(--brand-2);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;}
.btn:disabled,.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-sm{padding:10px 20px;font-size:14px;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(251,247,241,.9);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 6px 20px rgba(36,28,23,.08);}
.header-inner{
  display:flex;align-items:center;gap:22px;
  min-height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;}
.logo:hover{color:var(--ink);}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:var(--brand-grad);color:#fff;font-size:14px;font-weight:800;letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(232,85,43,.28);
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.01em;}

.nav-search{
  flex:1 1 auto;max-width:520px;min-width:220px;
  display:flex;align-items:center;gap:8px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 6px 6px 18px;
  transition:box-shadow .2s ease,border-color .2s ease,background-color .2s ease;
}
.nav-search i{color:var(--ink-2);font-size:14px;}
.nav-search input{
  flex:1;border:none;outline:none;background:transparent;
  font-size:14.5px;color:var(--ink);padding:8px 0;min-width:0;
}
.nav-search input::placeholder{color:#A6968A;}
.nav-search:focus-within{
  border-color:var(--brand-1);
  background:#fff;
  box-shadow:0 0 0 3px rgba(232,85,43,.16);
}
.search-btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:9px 20px;border-radius:999px;
  background:var(--brand-grad);color:#fff;font-size:14px;font-weight:600;
  transition:transform .18s ease,filter .18s ease;
}
.search-btn:hover{filter:saturate(1.1) brightness(1.03);transform:translateY(-1px);}
.search-btn:active{transform:translateY(1px);}

.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  font-size:14.5px;font-weight:500;color:var(--ink-2);
  border-radius:10px;
  transition:color .18s ease,background-color .18s ease;
}
.nav-links a:hover{color:var(--brand-1);background:var(--brand-soft);}
.nav-links a.active{color:var(--brand-1);font-weight:700;}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;
  border-radius:999px;background:var(--brand-grad);
}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);color:var(--ink);
  align-items:center;justify-content:center;font-size:17px;
}
.menu-toggle:hover{border-color:var(--brand-1);color:var(--brand-1);}

/* ============ 分类 Hero（窄版） ============ */
.cat-hero{
  position:relative;
  overflow:hidden;
  background:
    linear-gradient(180deg,rgba(244,237,228,.85) 0%,rgba(251,247,241,.96) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.cat-hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;
  background:radial-gradient(circle at center,rgba(232,85,43,.18),rgba(232,85,43,0) 68%);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2;padding-top:34px;padding-bottom:52px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:22px;flex-wrap:wrap;}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--brand-1);}
.breadcrumb .current{color:var(--brand-1);font-weight:600;}

.cat-hero-inner{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:40px;align-items:center;}
.cat-hero h1{font-size:clamp(28px,4vw,44px);margin-bottom:14px;}
.cat-hero h1 .hl{
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero-lead{font-size:16.5px;color:var(--ink-2);max-width:640px;line-height:1.85;}

.anchor-bar{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px;}
.anchor-bar a{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 18px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);
  font-size:13.5px;font-weight:600;color:var(--ink-2);
  transition:all .18s ease;
}
.anchor-bar a:hover{border-color:var(--brand-1);color:var(--brand-1);background:var(--brand-soft);transform:translateY(-1px);}
.anchor-bar a i{font-size:12px;}

.cat-hero-media{position:relative;}
.cat-hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
}
.float-badge{
  position:absolute;left:-16px;bottom:22px;
  display:inline-flex;flex-direction:column;align-items:flex-start;
  background:var(--surface);border:1px solid rgba(232,85,43,.22);
  border-radius:var(--radius-sm);padding:12px 18px;
  box-shadow:var(--shadow-1);
}
.float-badge strong{font-size:22px;color:var(--brand-1);line-height:1.1;font-weight:800;}
.float-badge span{font-size:12.5px;color:var(--ink-2);}

/* ============ 主体：时间轴 + 悬浮数据栏 ============ */
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--accent);
  background:rgba(31,110,92,.1);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;}
.section-head p{color:var(--ink-2);font-size:16px;}

.cat-body-grid{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:36px;align-items:start;}

/* 时间轴 */
.timeline{position:relative;padding-left:0;}
.timeline::before{
  content:"";position:absolute;left:27px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,rgba(232,85,43,.55),rgba(31,110,92,.35));
  border-radius:999px;
}
.tl-item{
  position:relative;
  display:grid;grid-template-columns:56px minmax(0,1fr);gap:20px;
  padding:0 0 26px 0;
}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  position:relative;z-index:2;
  width:56px;height:56px;border-radius:18px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-grad);color:#fff;
  font-weight:800;font-size:17px;letter-spacing:.02em;
  box-shadow:0 8px 18px rgba(232,85,43,.26);
}
.tl-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 26px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(232,85,43,.32);}
.tl-card h3{font-size:20px;margin-bottom:10px;}
.tl-card p{color:var(--ink-2);font-size:15.5px;line-height:1.85;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;
  padding:5px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-2);
}
.tag-accent{background:rgba(31,110,92,.1);color:var(--accent);}
.tag-line{background:transparent;border:1px solid var(--line);color:var(--ink-2);}

/* 右侧悬浮数据栏 */
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow-1);
}
.side-card h3{font-size:16.5px;margin-bottom:6px;}
.side-card .side-sub{font-size:13px;color:var(--ink-2);margin-bottom:18px;}
.badge-list{display:flex;flex-wrap:wrap;gap:10px;}
.badge{
  display:inline-flex;align-items:baseline;gap:6px;
  padding:8px 14px;border-radius:999px;
  background:var(--surface);
  border:1px solid rgba(232,85,43,.28);
}
.badge b{font-size:17px;color:var(--brand-1);font-weight:800;line-height:1;}
.badge span{font-size:12px;color:var(--ink-2);}
.side-list{margin-top:4px;}
.side-list li{border-bottom:1px dashed var(--line);}
.side-list li:last-child{border-bottom:none;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 0;font-size:14.5px;color:var(--ink);font-weight:500;
}
.side-list a:hover{color:var(--brand-1);}
.side-list i{font-size:12px;color:var(--brand-1);opacity:.7;}
.side-note{
  font-size:13px;color:var(--ink-2);line-height:1.8;
  background:var(--bg-alt);border-radius:var(--radius-sm);padding:14px 16px;margin-top:16px;
}
.side-thumb{border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--line);margin-top:16px;}
.side-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;}

/* ============ 要点条 ============ */
.points-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.point-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.point-icon{
  width:46px;height:46px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand-1);font-size:19px;margin-bottom:16px;
}
.point-card h3{font-size:18.5px;margin-bottom:10px;}
.point-card p{color:var(--ink-2);font-size:15px;}

/* ============ FAQ ============ */
.faq-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:12px 28px;box-shadow:var(--shadow-1);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:none;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;font-size:17px;font-weight:700;color:var(--ink);
  min-height:56px;transition:color .18s ease;
}
.faq-q:hover{color:var(--brand-1);}
.faq-icon{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand-1);font-size:14px;
  transition:transform .25s ease,background-color .25s ease,color .25s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand-grad);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{
  background:var(--bg-alt);border-radius:var(--radius-sm);
  padding:18px 20px;margin-bottom:20px;
  color:var(--ink-2);font-size:15px;line-height:1.85;
}
.faq-a-inner p+p{margin-top:.8em;}

/* ============ CTA ============ */
.cta-block{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  background:var(--brand-grad);
  color:#fff;
  padding:52px 48px;
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:36px;align-items:center;
  box-shadow:0 18px 40px rgba(232,85,43,.26);
}
.cta-block::after{
  content:"";position:absolute;right:-80px;bottom:-90px;width:300px;height:300px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-block h2{color:#fff;font-size:clamp(23px,2.8vw,32px);margin-bottom:12px;}
.cta-block p{color:rgba(255,255,255,.9);font-size:15.5px;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px;}
.cta-actions .btn-light{background:#fff;color:var(--brand-2);}
.cta-actions .btn-light:hover{color:var(--brand-2);transform:translateY(-2px);box-shadow:0 14px 28px rgba(0,0,0,.16);}
.cta-actions .btn-line{background:transparent;border:1px solid rgba(255,255,255,.6);color:#fff;}
.cta-actions .btn-line:hover{background:rgba(255,255,255,.14);color:#fff;}
.cta-media{position:relative;z-index:2;}
.cta-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);border:3px solid rgba(255,255,255,.55);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;
  background:var(--bg-alt);
  border-top:1px solid var(--line);
  border-radius:24px 24px 0 0;
  padding:56px 0 22px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{color:var(--ink-2);font-size:14.5px;max-width:420px;line-height:1.85;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:var(--ink-2);font-size:14px;}
.footer-col a:hover{color:var(--brand-1);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-2);
}

/* ============ 吸底转化条 ============ */
.sticky-cta{
  position:fixed;left:50%;bottom:18px;transform:translate(-50%,140%);
  z-index:90;
  display:flex;align-items:center;gap:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:999px;
  padding:10px 12px 10px 26px;
  box-shadow:var(--shadow-3),0 10px 30px rgba(36,28,23,.1);
  transition:transform .35s ease,opacity .35s ease;
  opacity:0;max-width:calc(100% - 32px);
}
.sticky-cta.show{transform:translate(-50%,0);opacity:1;}
.sticky-cta p{font-size:14.5px;font-weight:600;color:var(--ink);white-space:nowrap;}
.sticky-close{
  width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--ink-2);font-size:13px;
}
.sticky-close:hover{background:var(--brand-soft);color:var(--brand-1);}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .header-inner{flex-wrap:wrap;gap:14px;padding-top:10px;padding-bottom:10px;min-height:64px;}
  .nav-search{order:4;flex:1 0 100%;max-width:none;min-width:0;}
  .menu-toggle{display:inline-flex;margin-left:auto;}
  .nav-links{
    display:none;
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:2px;
    background:var(--surface);
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px rgba(36,28,23,.12);
    padding:14px 24px 20px;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:13px 12px;font-size:15.5px;border-radius:12px;}
  .nav-links a.active::after{left:12px;right:auto;width:28px;bottom:6px;}

  .cat-hero-inner{grid-template-columns:1fr;gap:28px;}
  .cat-hero-media{max-width:520px;}
  .float-badge{left:12px;}
  .section{padding:64px 0;}
  .cat-body-grid{grid-template-columns:1fr;gap:32px;}
  .side-sticky{position:static;}
  .points-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-block{grid-template-columns:1fr;padding:40px 30px;}
  .cta-media{max-width:420px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}

@media (max-width:767px){
  body{font-size:15.5px;padding-bottom:120px;}
  .container{padding:0 18px;}
  .logo-text{font-size:16px;}
  .cat-hero .container{padding-top:24px;padding-bottom:40px;}
  .anchor-bar{gap:8px;}
  .anchor-bar a{padding:8px 14px;font-size:13px;}
  .section{padding:48px 0;}
  .timeline::before{left:21px;}
  .tl-item{grid-template-columns:44px minmax(0,1fr);gap:14px;}
  .tl-num{width:44px;height:44px;border-radius:14px;font-size:15px;}
  .tl-card{padding:20px 18px;}
  .points-grid{grid-template-columns:1fr;}
  .faq-wrap{padding:6px 18px;}
  .faq-q{font-size:15.5px;padding:18px 0;}
  .cta-block{padding:32px 22px;border-radius:var(--radius);}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{margin-top:56px;padding-top:40px;}
  .sticky-cta{
    left:0;right:0;bottom:0;transform:translateY(140%);
    max-width:100%;width:100%;border-radius:0;
    padding:14px 16px;justify-content:space-between;flex-wrap:wrap;gap:12px;
  }
  .sticky-cta.show{transform:translateY(0);}
  .sticky-cta p{white-space:normal;font-size:14px;}
}

@media (max-width:480px){
  .btn{width:100%;}
  .btn-text{width:auto;}
  .search-btn{padding:9px 14px;}
  .badge-list{gap:8px;}
  .badge{padding:7px 12px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}