/* roulang page: index */
:root{
  --ink:#1C1F1B;
  --ink-soft:#59615A;
  --brand:#2F4F45;
  --brand-deep:#223B33;
  --accent:#C0653A;
  --accent-soft:#F2E3D8;
  --paper:#F7F3EA;
  --card:#FFFDF8;
  --mist:#E8EEE8;
  --line:rgba(28,31,27,.12);
  --shadow:0 1px 2px rgba(28,31,27,.05),0 10px 28px -14px rgba(28,31,27,.20);
  --shadow-hover:0 2px 4px rgba(28,31,27,.07),0 18px 38px -16px rgba(28,31,27,.30);
  --r-card:14px;
  --r-btn:10px;
  --r-img:14px;
  --font-serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background-color:var(--paper);
  background-image:
    repeating-linear-gradient(135deg,rgba(28,31,27,.018) 0 1px,transparent 1px 7px);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;color:var(--ink);margin:0;letter-spacing:.01em;}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--paper{background:transparent;}
.section--card{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--mist{background:var(--mist);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:inline-block;}
.section-title{font-size:30px;line-height:1.3;margin-bottom:14px;}
.section-lead{font-size:16px;color:var(--ink-soft);max-width:62ch;margin-bottom:0;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,243,234,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;gap:18px;
}
.nav-side{display:flex;align-items:center;gap:26px;}
.nav-side--right{justify-content:flex-end;}
.nav-link{
  font-size:15px;font-weight:500;color:var(--ink);
  padding:6px 2px;position:relative;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.brand{
  font-family:var(--font-serif);font-size:22px;font-weight:600;
  color:var(--ink);white-space:nowrap;letter-spacing:.02em;
  display:inline-flex;align-items:center;gap:10px;
}
.brand span.dot{width:22px;height:3px;background:var(--accent);display:inline-block;border-radius:2px;}
.brand:hover{color:var(--brand-deep);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:9px 20px;border:1px solid var(--brand);border-radius:var(--r-btn);
  color:var(--brand);font-size:14px;font-weight:600;white-space:nowrap;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-cta:hover{background:var(--brand);color:#FFFDF8;transform:translateY(-1px);}
.nav-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  border-radius:10px;background:transparent;align-items:center;justify-content:center;
  flex-direction:column;gap:5px;cursor:pointer;padding:0;
}
.nav-toggle i{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-panel{
  display:none;border-top:1px solid var(--line);background:var(--paper);
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:block;padding:0 20px;height:52px;line-height:52px;
  border-bottom:1px solid var(--line);color:var(--ink);font-size:15px;
}
.mobile-panel a.is-active{border-left:3px solid var(--accent);color:var(--brand);font-weight:600;padding-left:17px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#FFFDF8;box-shadow:var(--shadow);}
.btn-primary:hover{background:var(--brand-deep);color:#FFFDF8;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--brand);color:#FFFDF8;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);
}
.link-arrow .arw{transition:transform .22s ease;}
.link-arrow:hover{color:var(--accent);}
.link-arrow:hover .arw{transform:translateX(4px);}

/* ---------- hero ---------- */
.hero{padding:72px 0 80px;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent-soft);color:#8B4623;font-size:13px;font-weight:600;
  padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.hero h1{font-size:44px;line-height:1.25;margin-bottom:16px;}
.hero-sub{font-size:19px;color:var(--brand);font-weight:600;margin-bottom:14px;line-height:1.6;}
.hero-desc{font-size:16px;color:var(--ink-soft);max-width:56ch;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:28px;border-top:1px solid var(--line);padding-top:22px;}
.hero-meta div strong{display:block;font-family:var(--font-serif);font-size:24px;color:var(--ink);line-height:1.2;}
.hero-meta div span{font-size:13px;color:var(--ink-soft);}
.hero-figure{position:relative;}
.hero-img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;
  background:var(--mist);box-shadow:var(--shadow);
}
.hero-badge{
  position:absolute;right:16px;bottom:16px;
  background:var(--card);border:1px solid var(--line);border-radius:6px;
  padding:8px 14px;font-size:13px;font-weight:600;color:var(--brand);
  box-shadow:var(--shadow);
}

/* ---------- value list ---------- */
.value-grid{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
.value-aside{position:sticky;top:104px;}
.value-aside h2{font-size:28px;line-height:1.35;margin-bottom:12px;}
.value-aside p{font-size:15px;color:var(--ink-soft);margin:0;}
.value-item{
  display:grid;grid-template-columns:64px 1fr;gap:20px;
  padding:26px 0;border-top:1px solid var(--line);
}
.value-item:last-child{border-bottom:1px solid var(--line);}
.value-num{font-family:var(--font-serif);font-size:30px;color:var(--accent);line-height:1;padding-top:4px;}
.value-item h3{font-size:20px;margin-bottom:8px;}
.value-item p{font-size:15px;color:var(--ink-soft);margin:0;max-width:52ch;}

/* ---------- story ---------- */
.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.story-img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);background:var(--mist);box-shadow:var(--shadow);}
.story-text h2{font-size:30px;line-height:1.3;margin-bottom:18px;}
.story-text p{max-width:62ch;color:var(--ink-soft);}
.story-text p strong{color:var(--ink);font-weight:600;}
.story-points{margin:22px 0 26px;}
.story-points li{
  position:relative;padding-left:18px;font-size:15px;color:var(--ink-soft);margin-bottom:10px;
}
.story-points li::before{content:"";position:absolute;left:0;top:11px;width:10px;height:2px;background:var(--accent);}

/* ---------- featured cards ---------- */
.featured-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap;}
.featured-grid{display:grid;grid-template-columns:6fr 3fr 3fr;gap:24px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(47,79,69,.32);}
.card-img{width:100%;object-fit:cover;background:var(--mist);}
.card--lg .card-img{aspect-ratio:16/10;}
.card--sm .card-img{aspect-ratio:16/11;}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card--lg .card-body{padding:26px;}
.badge{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:4px 12px;border-radius:999px;font-size:13px;font-weight:600;
  background:var(--accent-soft);color:#8B4623;
}
.badge--soft{background:var(--mist);color:var(--brand);}
.card h3{font-size:21px;line-height:1.4;}
.card--lg h3{font-size:25px;}
.card p{font-size:14.5px;color:var(--ink-soft);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;font-size:13px;color:var(--ink-soft);padding-top:8px;
}
.card-foot .arw{color:var(--brand);font-weight:600;}

/* ---------- latest list ---------- */
.latest-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:12px;flex-wrap:wrap;}
.latest-list{border-top:1px solid var(--line);}
.latest-row{
  display:grid;grid-template-columns:120px 1fr 132px;
  gap:24px;align-items:center;
  padding:22px 14px;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.latest-row:hover{background:var(--mist);}
.latest-date{font-family:var(--font-serif);font-size:15px;color:var(--ink-soft);}
.latest-main h3{font-size:18px;line-height:1.5;margin-bottom:6px;}
.latest-main h3 a{color:var(--ink);}
.latest-main h3 a:hover{color:var(--brand);}
.latest-main p{font-size:14px;color:var(--ink-soft);margin:0;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.latest-cat{justify-self:end;}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;background:var(--card);
}
.empty-state p{color:var(--ink-soft);margin-bottom:20px;}

/* ---------- trust ---------- */
.trust{
  background:var(--brand-deep);color:#EDEFEA;border-radius:20px;
  padding:56px 48px;position:relative;overflow:hidden;
}
.trust::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
  border-radius:50%;border:1px solid rgba(255,253,248,.10);
}
.trust-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;position:relative;}
.trust h2{color:#FFFDF8;font-size:28px;line-height:1.35;margin-bottom:14px;}
.trust p{color:rgba(237,239,234,.76);font-size:15px;margin:0;max-width:34ch;}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
.stat strong{
  display:block;font-family:var(--font-serif);font-size:34px;line-height:1.1;
  color:#FFFDF8;margin-bottom:6px;
}
.stat span{font-size:13.5px;color:rgba(237,239,234,.70);}
.partners{
  display:flex;flex-wrap:wrap;gap:14px 34px;margin-top:40px;padding-top:26px;
  border-top:1px solid rgba(255,253,248,.14);
}
.partners span{font-size:14px;color:rgba(237,239,234,.52);letter-spacing:.06em;}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 44px 22px 0;position:relative;
  font-family:var(--font-serif);font-size:18px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item summary::after{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-family:var(--font-sans);font-size:22px;color:var(--brand);line-height:1;
}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary::after{content:"−";color:var(--accent);}
.faq-body{padding:0 44px 24px 0;font-size:15.5px;color:var(--ink-soft);max-width:70ch;}

/* ---------- cta ---------- */
.cta-panel{
  background:var(--mist);border:1px solid var(--line);border-radius:20px;
  padding:48px;display:grid;grid-template-columns:6fr 5fr;gap:40px;align-items:center;
}
.cta-panel h2{font-size:28px;line-height:1.35;margin-bottom:10px;}
.cta-panel p{font-size:15px;color:var(--ink-soft);margin:0;}
.subscribe{display:flex;gap:12px;flex-wrap:wrap;}
.subscribe input[type="email"]{
  flex:1 1 220px;min-width:0;padding:14px 20px;font-size:15px;
  border:1px solid var(--line);border-radius:999px;background:var(--card);color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.subscribe input[type="email"]::placeholder{color:#8C948D;}
.subscribe input[type="email"]:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(192,101,58,.14);}
.subscribe .btn{flex:0 0 auto;}
.form-note{font-size:13px;color:var(--ink-soft);margin-top:12px;}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--paper);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{font-family:var(--font-serif);font-size:22px;font-weight:600;color:var(--ink);margin-bottom:14px;display:inline-flex;align-items:center;gap:10px;}
.footer-brand span.dot{width:20px;height:3px;background:var(--accent);border-radius:2px;display:inline-block;}
.footer-about{font-size:14.5px;color:var(--ink-soft);max-width:34ch;margin:0;}
.footer-col h4{font-size:15px;font-family:var(--font-sans);font-weight:600;color:var(--ink);margin-bottom:16px;letter-spacing:.04em;}
.footer-col li{margin-bottom:10px;}
.footer-col a,.footer-col span{font-size:14.5px;color:var(--ink-soft);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--line);
  padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:var(--ink-soft);
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .container{max-width:960px;}
  .hero h1{font-size:38px;}
  .hero-grid{gap:40px;}
  .featured-grid{grid-template-columns:6fr 3fr 3fr;gap:20px;}
  .trust{padding:48px 36px;}
}
@media (max-width:991.98px){
  .nav-side{display:none;}
  .nav-toggle{display:flex;}
  .nav-wrap{justify-content:space-between;}
  .hero{padding:52px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:34px;}
  .hero-figure{order:-1;}
  .value-grid,.story-grid,.trust-grid,.cta-panel{grid-template-columns:1fr;gap:32px;}
  .value-aside{position:static;}
  .featured-grid{grid-template-columns:1fr 1fr;}
  .card--lg{grid-column:1 / -1;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .latest-row{grid-template-columns:96px 1fr;gap:16px;}
  .latest-cat{grid-column:2;justify-self:start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
}
@media (max-width:575.98px){
  body{font-size:16px;}
  .hero h1{font-size:30px;}
  .section-title,.story-text h2,.trust h2,.cta-panel h2{font-size:23px;}
  .hero-sub{font-size:17px;}
  .hero-actions .btn{width:100%;}
  .hero-meta{gap:18px;}
  .featured-grid{grid-template-columns:1fr;}
  .latest-row{grid-template-columns:1fr;gap:8px;padding:20px 8px;}
  .latest-cat{grid-column:1;}
  .stats{grid-template-columns:1fr 1fr;gap:20px;}
  .trust{padding:36px 22px;border-radius:16px;}
  .cta-panel{padding:30px 22px;border-radius:16px;}
  .subscribe{flex-direction:column;}
  .subscribe .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .section{padding:48px 0;}
  .faq-item summary{font-size:16.5px;padding-right:36px;}
  .faq-body{padding-right:0;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: article */
:root{
  --ink:#1C1F1B;
  --ink-soft:#59615A;
  --brand:#2F4F45;
  --brand-deep:#223B33;
  --accent:#C0653A;
  --accent-soft:#F2E3D8;
  --paper:#F7F3EA;
  --card:#FFFDF8;
  --mist:#E8EEE8;
  --line:rgba(28,31,27,.12);
  --shadow:0 1px 2px rgba(28,31,27,.05),0 10px 28px -14px rgba(28,31,27,.20);
  --shadow-hover:0 2px 6px rgba(28,31,27,.07),0 18px 38px -18px rgba(28,31,27,.28);
  --radius-card:14px;
  --radius-btn:10px;
  --serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
}
*,
*::before,
*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:repeating-linear-gradient(135deg,rgba(28,31,27,.018) 0 1px,transparent 1px 7px);
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--accent);}
a:focus-visible,
button:focus-visible,
input:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
}
h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:600;
  letter-spacing:.01em;
  margin:0;
  color:var(--ink);
}
p{margin:0 0 1.1em;}
ul,ol{margin:0 0 1.1em;padding-left:1.25em;}
button{font-family:inherit;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,243,234,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:76px;
}
.nav-side{
  display:flex;
  align-items:center;
  gap:26px;
  flex:1 1 0;
}
.nav-side--right{justify-content:flex-end;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--serif);
  font-size:22px;
  font-weight:600;
  color:var(--ink);
  white-space:nowrap;
  padding:4px 6px;
  border-radius:8px;
}
.brand:hover{color:var(--brand);}
.brand .dot{
  width:22px;
  height:3px;
  border-radius:2px;
  background:var(--accent);
  display:inline-block;
}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink-soft);
  padding:6px 2px;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .24s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after,
.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:9px 18px;
  font-size:14px;
  font-weight:500;
  color:var(--brand);
  border:1px solid var(--brand);
  border-radius:var(--radius-btn);
  background:transparent;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.nav-cta:hover{background:var(--brand);color:#FFFDF8;transform:translateY(-1px);}
.nav-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;
  height:44px;
  padding:0 10px;
  background:transparent;
  border:1px solid var(--line);
  border-radius:10px;
  cursor:pointer;
}
.nav-toggle i{
  display:block;
  height:2px;
  width:100%;
  background:var(--ink);
  border-radius:2px;
  transition:transform .22s ease,opacity .22s ease;
}
.mobile-panel{
  display:none;
  background:var(--paper);
  border-top:1px solid var(--line);
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:block;
  padding:0 20px;
  line-height:52px;
  font-size:16px;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-panel a:hover{background:var(--mist);color:var(--brand);}
.mobile-panel a.is-active{color:var(--brand);box-shadow:inset 3px 0 0 var(--accent);}
/* ---------- 面包屑 ---------- */
.crumb-bar{
  position:relative;
  z-index:1;
  border-bottom:1px solid var(--line);
  background:var(--card);
}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:18px 0;
  font-size:14px;
  color:var(--ink-soft);
}
.crumbs a{color:var(--ink-soft);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{opacity:.55;}
.crumbs .current{color:var(--ink);font-weight:500;}
/* ---------- 文章主体 ---------- */
.article-shell{position:relative;z-index:1;padding:56px 0 0;}
.article-main{
  max-width:760px;
  margin:0 auto;
}
.article-head{margin-bottom:30px;}
.badge-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  font-size:13px;
  font-weight:500;
  color:var(--brand);
  background:var(--accent-soft);
  border-radius:999px;
  letter-spacing:.02em;
}
.article-head h1{
  font-size:34px;
  line-height:1.32;
  margin:16px 0 18px;
  letter-spacing:.005em;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:var(--ink-soft);
  padding-bottom:20px;
  border-bottom:1px solid var(--line);
}
.article-meta .dot-sep{opacity:.5;}
.article-meta time{color:var(--ink-soft);}
/* ---------- 正文排版 ---------- */
.article-body{
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  position:relative;
  font-size:26px;
  line-height:1.35;
  margin:46px 0 16px;
  padding-left:16px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.32em;
  width:4px;
  height:20px;
  border-radius:2px;
  background:var(--accent);
}
.article-body h3{
  font-size:21px;
  line-height:1.45;
  color:var(--brand);
  margin:32px 0 12px;
}
.article-body h4{
  font-size:18px;
  margin:26px 0 10px;
  color:var(--brand-deep);
}
.article-body a{
  color:var(--brand);
  text-decoration:underline;
  text-underline-offset:3px;
}
.article-body a:hover{color:var(--accent);}
.article-body ul,
.article-body ol{padding-left:1.35em;margin:0 0 1.2em;}
.article-body li{margin-bottom:.5em;}
.article-body ol > li::marker{color:var(--accent);font-weight:600;}
.article-body blockquote{
  margin:26px 0;
  padding:20px 22px;
  background:var(--mist);
  border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;
  color:var(--ink-soft);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  max-width:100%;
  height:auto;
  border-radius:12px;
  margin:26px auto;
}
.article-body figure{margin:26px 0;}
.article-body figcaption{
  font-size:13px;
  color:var(--ink-soft);
  text-align:center;
  margin-top:10px;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:26px 0;
  font-size:15.5px;
  background:var(--card);
  border-radius:12px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.article-body thead th{
  background:var(--mist);
  font-weight:600;
  text-align:left;
}
.article-body th,
.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
.article-body tbody tr:last-child td{border-bottom:none;}
.article-body code{
  background:var(--mist);
  padding:2px 6px;
  border-radius:6px;
  font-size:.92em;
}
.article-body pre{
  background:var(--brand-deep);
  color:#F4F1E8;
  padding:20px 22px;
  border-radius:10px;
  overflow-x:auto;
  margin:26px 0;
  line-height:1.65;
}
.article-body pre code{background:none;padding:0;color:inherit;}
.article-body hr{
  border:none;
  border-top:1px solid var(--line);
  margin:36px 0;
}
/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--card);
  padding:52px 26px;
  box-shadow:var(--shadow);
}
.empty-state h2{
  font-size:23px;
  margin-bottom:12px;
}
.empty-state p{
  color:var(--ink-soft);
  font-size:15.5px;
  max-width:420px;
  margin:0 auto 22px;
}
/* ---------- 标签 ---------- */
.tag-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:38px;
}
.tag-row .tag-label{
  font-size:13px;
  color:var(--ink-soft);
  letter-spacing:.06em;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:6px 14px;
  font-size:13px;
  color:var(--brand);
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--card);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.tag:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-1px);}
.divider-line{
  height:1px;
  background:var(--line);
  margin:38px 0 0;
}
/* ---------- 相关推荐 ---------- */
.related{
  max-width:1000px;
  margin:0 auto;
  padding:56px 0 0;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:24px;
}
.section-head h2{font-size:26px;line-height:1.35;}
.section-head p{
  margin:8px 0 0;
  font-size:14.5px;
  color:var(--ink-soft);
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  color:var(--brand);
  font-weight:500;
}
.link-arrow span{transition:transform .22s ease;}
.link-arrow:hover{color:var(--accent);}
.link-arrow:hover span{transform:translateX(4px);}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.related-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.related-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(47,79,69,.32);
}
.related-thumb{
  position:relative;
  aspect-ratio:16/10;
  background:var(--mist);
  overflow:hidden;
}
.related-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.related-card:hover .related-thumb img{transform:scale(1.04);}
.related-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.related-body .badge-pill{align-self:flex-start;font-size:12px;}
.related-body h3{
  font-size:18px;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-body p{
  font-size:14.5px;
  color:var(--ink-soft);
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-top:auto;
  padding-top:6px;
  font-size:13px;
  color:var(--ink-soft);
}
.related-foot .arrow{color:var(--brand);font-size:16px;}
.back-row{
  max-width:1000px;
  margin:0 auto;
  padding:30px 0 0;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  font-size:14.5px;
}
/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  font-size:15px;
  font-weight:500;
  color:#FFFDF8;
  background:var(--brand);
  border:1px solid var(--brand);
  border-radius:var(--radius-btn);
  cursor:pointer;
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease,opacity .22s ease;
  box-shadow:0 8px 20px -14px rgba(34,59,51,.9);
}
.btn-main:hover{background:var(--brand-deep);border-color:var(--brand-deep);transform:translateY(-2px);}
.btn-main:active{transform:translateY(0);}
.btn-main:disabled,
.btn-main.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:13px 24px;
  font-size:15px;
  font-weight:500;
  color:var(--brand);
  background:transparent;
  border:1px solid var(--brand);
  border-radius:var(--radius-btn);
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.btn-ghost:hover{background:var(--brand);color:#FFFDF8;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-inverse{
  background:var(--accent);
  border-color:var(--accent);
  color:#FFFDF8;
  box-shadow:none;
}
.btn-inverse:hover{background:#A9532C;border-color:#A9532C;}
/* ---------- 订阅区块 ---------- */
.cta-band{
  position:relative;
  z-index:1;
  margin-top:76px;
  background:var(--brand-deep);
  border-radius:20px;
  padding:52px 0;
  color:#F0EDE3;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-band h2{
  color:#FBF8EF;
  font-size:28px;
  line-height:1.35;
  margin-bottom:12px;
}
.cta-band p{
  margin:0;
  color:rgba(240,237,227,.78);
  font-size:15px;
  max-width:52ch;
}
.sub-form{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 1 420px;
  min-width:280px;
}
.sub-form input{
  flex:1 1 auto;
  min-width:0;
  padding:13px 18px;
  font-size:15px;
  color:var(--ink);
  background:#FFFDF8;
  border:1px solid transparent;
  border-radius:999px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.sub-form input::placeholder{color:#9AA39A;}
.sub-form input:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(192,101,58,.22);
}
/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:88px;
  padding-top:56px;
  border-top:1px solid var(--line);
  background:var(--paper);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--serif);
  font-size:20px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:14px;
}
.footer-brand .dot{
  width:20px;
  height:3px;
  border-radius:2px;
  background:var(--accent);
  display:inline-block;
}
.footer-about{
  font-size:14.5px;
  line-height:1.8;
  color:var(--ink-soft);
  max-width:34ch;
  margin:0;
}
.footer-col h4{
  font-size:15px;
  font-family:var(--sans);
  font-weight:600;
  color:var(--ink);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:11px;font-size:14.5px;color:var(--ink-soft);}
.footer-col a{color:var(--ink-soft);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  padding:20px 0 34px;
  border-top:1px solid var(--line);
  font-size:13.5px;
  color:var(--ink-soft);
}
/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{max-width:960px;}
}
@media (max-width:991px){
  .nav-side{display:none;}
  .nav-toggle{display:flex;}
  .nav-wrap{height:68px;}
  .brand{font-size:20px;}
  .article-shell{padding-top:40px;}
  .article-head h1{font-size:28px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{padding:44px 0;}
  .cta-band h2{font-size:24px;}
  .sub-form{flex:1 1 100%;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .article-body{font-size:16px;}
  .article-head h1{font-size:25px;line-height:1.4;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:19px;}
  .related-grid{grid-template-columns:1fr;}
  .related{padding-top:44px;}
  .section-head h2{font-size:22px;}
  .site-footer{margin-top:64px;}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px;}
  .article-shell{padding-top:32px;}
  .article-head h1{font-size:23px;}
  .article-meta{font-size:13px;gap:8px;}
  .btn-main,
  .btn-ghost{width:100%;}
  .sub-form{flex-direction:column;align-items:stretch;min-width:0;}
  .sub-form input{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:36px 0;border-radius:16px;}
  .cta-band h2{font-size:21px;}
  .empty-state{padding:36px 18px;}
  .back-row{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --ink:#1C1F1B;
  --ink-soft:#59615A;
  --brand:#2F4F45;
  --brand-deep:#223B33;
  --accent:#C0653A;
  --accent-soft:#F2E3D8;
  --paper:#F7F3EA;
  --card:#FFFDF8;
  --mist:#E8EEE8;
  --line:rgba(28,31,27,.12);
  --line-soft:rgba(28,31,27,.07);
  --shadow:0 1px 2px rgba(28,31,27,.05),0 10px 28px -14px rgba(28,31,27,.20);
  --shadow-hover:0 2px 4px rgba(28,31,27,.06),0 18px 36px -16px rgba(28,31,27,.28);
  --radius-card:14px;
  --radius-img:14px;
  --radius-btn:10px;
  --radius-block:20px;
  --serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background-color:var(--paper);
  background-image:
    radial-gradient(rgba(28,31,27,.035) 1px,transparent 1px);
  background-size:22px 22px;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--accent);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0 0 .6em;font-family:var(--serif);font-weight:600;line-height:1.3;color:var(--ink);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin-left:auto;
  margin-right:auto;
  padding-left:20px;
  padding-right:20px;
}

/* ---------- 按钮 ---------- */
.btn-main,
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  border-radius:var(--radius-btn);
  font-size:16px;
  font-weight:500;
  line-height:1.2;
  cursor:pointer;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-main{
  background-color:var(--brand);
  color:#FFFDF8;
  border:1px solid var(--brand);
  box-shadow:var(--shadow);
}
.btn-main:hover{background-color:var(--brand-deep);border-color:var(--brand-deep);color:#FFFDF8;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-main:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{
  background-color:transparent;
  color:var(--brand);
  border:1px solid var(--brand);
}
.btn-ghost:hover{background-color:var(--accent-soft);border-color:var(--accent);color:var(--brand-deep);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-main[disabled],.btn-ghost[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:500;
  color:var(--brand);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
  transition:color .22s var(--ease),border-color .22s var(--ease);
}
.link-arrow span{display:inline-block;transition:transform .22s var(--ease);}
.link-arrow:hover{color:var(--accent);border-color:var(--accent);}
.link-arrow:hover span{transform:translateX(4px);}

/* ---------- 徽章 / 标签 ---------- */
.badge-soft{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  background-color:var(--accent-soft);
  color:var(--brand-deep);
  font-size:13px;
  line-height:1.6;
  letter-spacing:.02em;
}
.badge-line{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--ink-soft);
  font-size:13px;
  line-height:1.6;
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background-color:rgba(247,243,234,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  min-height:76px;
  gap:16px;
}
.nav-side{display:flex;align-items:center;gap:26px;}
.nav-side--right{justify-content:flex-end;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--serif);
  font-size:22px;
  font-weight:600;
  color:var(--ink);
  letter-spacing:.02em;
  white-space:nowrap;
}
.brand .dot{
  display:inline-block;
  width:14px;
  height:3px;
  border-radius:2px;
  background-color:var(--accent);
  transform:translateY(1px);
}
.brand:hover{color:var(--brand);}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:2px;
  border-radius:2px;
  background-color:transparent;
  transition:background-color .22s var(--ease);
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{background-color:var(--line);}
.nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{background-color:var(--accent);}
.nav-cta{
  display:inline-flex;
  align-items:center;
  padding:9px 20px;
  border:1px solid var(--brand);
  border-radius:999px;
  font-size:14px;
  font-weight:500;
  color:var(--brand);
  background:transparent;
  white-space:nowrap;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.nav-cta:hover{background-color:var(--brand);color:#FFFDF8;border-color:var(--brand);}
.nav-cta:active{background-color:var(--brand-deep);border-color:var(--brand-deep);color:#FFFDF8;}
.nav-toggle{
  display:none;
  width:42px;
  height:38px;
  padding:9px 8px;
  border:1px solid var(--line);
  border-radius:10px;
  background-color:transparent;
  cursor:pointer;
}
.nav-toggle i{
  display:block;
  height:2px;
  border-radius:2px;
  background-color:var(--ink);
  margin-bottom:4px;
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.nav-toggle i:last-child{margin-bottom:0;}
.mobile-panel{
  display:none;
  border-top:1px solid var(--line);
  background-color:var(--paper);
  padding:8px 20px 18px;
}
.mobile-panel a{
  display:block;
  min-height:52px;
  line-height:52px;
  padding-left:14px;
  font-size:16px;
  font-weight:500;
  color:var(--ink);
  border-bottom:1px solid var(--line-soft);
  border-left:3px solid transparent;
}
.mobile-panel a:last-child{border-bottom:none;}
.mobile-panel a:hover{color:var(--brand);}
.mobile-panel a.is-active{color:var(--brand);border-left-color:var(--accent);background-color:var(--mist);}
.mobile-panel.is-open{display:block;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  color:#FFFDF8;
  background-color:var(--brand-deep);
  background-image:
    linear-gradient(115deg,rgba(34,59,51,.96) 0%,rgba(34,59,51,.88) 46%,rgba(28,31,27,.78) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:120px;
  background:linear-gradient(to top,rgba(34,59,51,.55),transparent);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:64px 0 72px;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(255,253,248,.66);
  margin-bottom:26px;
}
.breadcrumb a{color:rgba(255,253,248,.82);}
.breadcrumb a:hover{color:var(--accent-soft);}
.breadcrumb .sep{color:rgba(255,253,248,.42);}
.breadcrumb .current{color:#FFFDF8;}

.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);
  gap:52px;
  align-items:start;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent-soft);
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:28px;
  height:2px;
  background-color:var(--accent);
  border-radius:2px;
}
.page-hero h1{
  font-size:44px;
  line-height:1.25;
  color:#FFFDF8;
  margin:0 0 16px;
  max-width:16em;
}
.page-hero .lead{
  font-size:17px;
  line-height:1.85;
  color:rgba(255,253,248,.82);
  max-width:44ch;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.page-hero .btn-main{background-color:var(--accent);border-color:var(--accent);}
.page-hero .btn-main:hover{background-color:#A9532C;border-color:#A9532C;color:#FFFDF8;}
.page-hero .btn-ghost{color:#FFFDF8;border-color:rgba(255,253,248,.55);}
.page-hero .btn-ghost:hover{background-color:rgba(255,253,248,.12);border-color:#FFFDF8;color:#FFFDF8;}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.hero-meta li{
  font-size:13px;
  color:rgba(255,253,248,.74);
  border:1px solid rgba(255,253,248,.22);
  border-radius:999px;
  padding:5px 14px;
  background-color:rgba(255,253,248,.06);
}

.index-card{
  border:1px solid rgba(255,253,248,.20);
  border-radius:var(--radius-card);
  background-color:rgba(255,253,248,.07);
  padding:26px 24px;
}
.index-card h2{
  font-size:15px;
  letter-spacing:.12em;
  font-weight:600;
  color:rgba(255,253,248,.62);
  margin:0 0 16px;
  font-family:var(--sans);
}
.index-card ol{counter-reset:idx;}
.index-card li{counter-increment:idx;border-top:1px solid rgba(255,253,248,.14);}
.index-card li:first-child{border-top:none;}
.index-card a{
  display:flex;
  align-items:center;
  gap:14px;
  padding:12px 0;
  color:#FFFDF8;
  font-size:15px;
  line-height:1.5;
}
.index-card a::before{
  content:"0" counter(idx);
  font-family:var(--serif);
  font-size:14px;
  color:var(--accent);
  flex:0 0 auto;
}
.index-card a:hover{color:var(--accent-soft);}

/* ---------- 频道标签条 ---------- */
.channel-bar{
  background-color:var(--card);
  border-bottom:1px solid var(--line);
}
.channel-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  padding:16px 0;
}
.channel-inner .label{
  font-size:13px;
  color:var(--ink-soft);
  letter-spacing:.06em;
  margin-right:6px;
}
.chip{
  display:inline-block;
  padding:6px 16px;
  border-radius:999px;
  border:1px solid var(--line);
  font-size:14px;
  color:var(--ink-soft);
  background-color:transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.chip:hover{color:var(--brand);border-color:var(--brand);}
.chip.is-on{
  background-color:var(--brand);
  border-color:var(--brand);
  color:#FFFDF8;
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--mist{background-color:var(--mist);}
.section-head{margin-bottom:44px;max-width:64ch;}
.section-head .kicker{
  display:inline-block;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--accent);
  margin-bottom:12px;
}
.section-head h2{
  font-size:30px;
  line-height:1.3;
  margin:0 0 14px;
}
.section-head p{color:var(--ink-soft);font-size:16px;max-width:60ch;}

/* ---------- 交错图文 ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:48px 0;
  border-top:1px solid var(--line);
}
.split:first-child{border-top:none;padding-top:0;}
.split:last-child{padding-bottom:0;}
.split-media{
  position:relative;
  border-radius:var(--radius-img);
  overflow:hidden;
  background-color:var(--mist);
  box-shadow:var(--shadow);
  aspect-ratio:16/11;
}
.split-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.split:hover .split-media img{transform:scale(1.035);}
.split-copy{max-width:56ch;}
.split-copy .num{
  display:block;
  font-family:var(--serif);
  font-size:40px;
  line-height:1;
  color:var(--accent);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.split-copy h2{font-size:30px;line-height:1.3;margin-bottom:16px;}
.split-copy p{color:var(--ink-soft);font-size:16.5px;}
.point-list{margin:22px 0 24px;}
.point-list li{
  position:relative;
  padding-left:26px;
  margin-bottom:12px;
  font-size:16px;
  color:var(--ink);
}
.point-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.78em;
  width:16px;
  height:2px;
  border-radius:2px;
  background-color:var(--accent);
}
.split--reverse .split-media{order:2;}
.split--reverse .split-copy{order:1;}
.split-tag{
  display:inline-block;
  font-size:13px;
  color:var(--brand);
  border:1px solid var(--line);
  border-radius:999px;
  padding:4px 12px;
  margin-bottom:16px;
  background-color:var(--card);
}

/* ---------- 封面墙 ---------- */
.wall{
  display:grid;
  grid-template-columns:1.55fr 1fr 1fr;
  gap:24px;
}
.wall-card{
  display:flex;
  flex-direction:column;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background-color:var(--card);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.wall-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(47,79,69,.35);}
.wall-figure{
  position:relative;
  aspect-ratio:16/10;
  background-color:var(--mist);
  overflow:hidden;
}
.wall-figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.wall-card:hover .wall-figure img{transform:scale(1.04);}
.wall-figure .play{
  position:absolute;
  right:14px;
  bottom:14px;
  width:38px;
  height:38px;
  border-radius:50%;
  border:1px solid rgba(255,253,248,.7);
  background-color:rgba(28,31,27,.42);
  color:#FFFDF8;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  backdrop-filter:blur(3px);
}
.wall-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.wall-body h3{font-size:20px;line-height:1.4;margin:0;}
.wall-body p{font-size:15px;color:var(--ink-soft);margin:0;flex:1;}
.wall-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:12px;
  border-top:1px solid var(--line-soft);
  font-size:13px;
  color:var(--ink-soft);
}
.wall-card--wide .wall-body h3{font-size:24px;}
.wall-card--wide .wall-body p{font-size:15.5px;}

/* ---------- 排行列表 ---------- */
.rank-wrap{
  display:grid;
  grid-template-columns:minmax(0,.85fr) minmax(0,1.6fr);
  gap:56px;
  align-items:start;
}
.rank-intro{position:sticky;top:104px;}
.rank-intro h2{font-size:30px;line-height:1.3;margin-bottom:14px;}
.rank-intro p{color:var(--ink-soft);font-size:16px;max-width:34ch;}
.rank-intro .stat-row{display:flex;gap:32px;margin-top:28px;}
.stat-num{
  font-family:var(--serif);
  font-size:34px;
  line-height:1.1;
  color:var(--brand);
  display:block;
}
.stat-label{font-size:13px;color:var(--ink-soft);}
.rank-list{border-top:1px solid var(--line);}
.rank-item{
  display:grid;
  grid-template-columns:56px minmax(0,1fr) auto;
  gap:18px;
  align-items:center;
  padding:20px 12px;
  border-bottom:1px solid var(--line);
  transition:background-color .22s var(--ease);
}
.rank-item:hover{background-color:var(--mist);}
.rank-idx{
  font-family:var(--serif);
  font-size:22px;
  color:var(--accent);
  line-height:1;
}
.rank-main h3{font-size:18px;margin:0 0 4px;line-height:1.4;}
.rank-main p{font-size:14.5px;color:var(--ink-soft);margin:0;line-height:1.7;}
.rank-note{
  font-size:13px;
  color:var(--ink-soft);
  border:1px solid var(--line);
  border-radius:999px;
  padding:3px 12px;
  white-space:nowrap;
}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 4px;
  cursor:pointer;
  list-style:none;
  font-family:var(--serif);
  font-size:19px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink);
  transition:color .22s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  width:30px;
  height:30px;
  border-radius:50%;
  border:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--sans);
  font-size:17px;
  font-weight:400;
  color:var(--ink-soft);
  transition:border-color .22s var(--ease),color .22s var(--ease),background-color .22s var(--ease);
}
.faq-item summary:hover{color:var(--brand);}
.faq-item summary:hover::after{border-color:var(--brand);color:var(--brand);}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary::after{content:"−";background-color:var(--accent-soft);border-color:var(--accent);color:var(--brand-deep);}
.faq-body{padding:0 4px 24px;max-width:66ch;color:var(--ink-soft);font-size:16px;}

/* ---------- CTA / 订阅 ---------- */
.cta-block{
  background-color:var(--brand-deep);
  border-radius:var(--radius-block);
  padding:56px 48px;
  color:#FFFDF8;
  background-image:
    linear-gradient(120deg,rgba(34,59,51,.97),rgba(34,59,51,.86)),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
}
.cta-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,.95fr);
  gap:40px;
  align-items:center;
}
.cta-block h2{color:#FFFDF8;font-size:28px;line-height:1.35;margin-bottom:12px;}
.cta-block p{color:rgba(255,253,248,.78);font-size:15.5px;margin:0;max-width:42ch;}
.sub-form{display:flex;gap:12px;flex-wrap:wrap;}
.sub-form input[type="email"]{
  flex:1 1 220px;
  min-width:0;
  padding:14px 18px;
  font-size:15px;
  color:#FFFDF8;
  background-color:rgba(255,253,248,.10);
  border:1px solid rgba(255,253,248,.28);
  border-radius:999px;
  outline:none;
  transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.sub-form input[type="email"]::placeholder{color:rgba(255,253,248,.55);}
.sub-form input[type="email"]:hover{border-color:rgba(255,253,248,.5);}
.sub-form input[type="email"]:focus{border-color:var(--accent);background-color:rgba(255,253,248,.16);box-shadow:0 0 0 2px rgba(192,101,58,.35);}
.sub-form .btn-main{background-color:var(--accent);border-color:var(--accent);}
.sub-form .btn-main:hover{background-color:#A9532C;border-color:#A9532C;}
.sub-note{font-size:13px;color:rgba(255,253,248,.6);margin-top:14px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  border-top:1px solid var(--line);
  background-color:var(--card);
  padding:56px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.15fr;
  gap:40px;
  padding-bottom:36px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--serif);
  font-size:20px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:14px;
}
.footer-brand .dot{
  display:inline-block;
  width:14px;
  height:3px;
  border-radius:2px;
  background-color:var(--accent);
  transform:translateY(1px);
}
.footer-about{
  font-size:14.5px;
  line-height:1.85;
  color:var(--ink-soft);
  max-width:34ch;
  margin:0;
}
.footer-col h4{
  font-family:var(--sans);
  font-size:14px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--ink);
  margin:0 0 16px;
}
.footer-col ul li{margin-bottom:10px;font-size:14.5px;color:var(--ink-soft);line-height:1.7;}
.footer-col ul li a{color:var(--ink-soft);}
.footer-col ul li a:hover{color:var(--brand);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  align-items:center;
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--ink-soft);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{gap:40px;}
  .rank-wrap{gap:40px;}
}
@media (max-width:991px){
  .nav-wrap{grid-template-columns:auto 1fr auto;min-height:68px;}
  .nav-side{display:none;}
  .brand{justify-self:center;font-size:20px;}
  .nav-toggle{display:block;justify-self:start;}
  .hero-inner{padding:48px 0 56px;}
  .page-hero h1{font-size:34px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .index-card{max-width:520px;}
  .section{padding:64px 0;}
  .section--tight{padding:48px 0;}
  .split{grid-template-columns:1fr;gap:28px;padding:36px 0;}
  .split--reverse .split-media{order:0;}
  .split--reverse .split-copy{order:0;}
  .split-media{aspect-ratio:16/9;}
  .wall{grid-template-columns:1fr 1fr;}
  .wall-card--wide{grid-column:1 / -1;}
  .rank-wrap{grid-template-columns:1fr;gap:28px;}
  .rank-intro{position:static;}
  .rank-intro p{max-width:60ch;}
  .cta-block{padding:40px 28px;}
  .cta-grid{grid-template-columns:1fr;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .page-hero h1{font-size:30px;}
  .section-head h2,.split-copy h2,.rank-intro h2,.cta-block h2{font-size:23px;}
  .split-copy .num{font-size:32px;}
  .wall{grid-template-columns:1fr;}
  .rank-item{grid-template-columns:44px minmax(0,1fr);row-gap:8px;}
  .rank-note{grid-column:2;justify-self:start;}
  .faq-item summary{font-size:17px;padding:18px 4px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{margin-top:64px;padding-top:40px;}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px;}
  .hero-inner{padding:36px 0 44px;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .cta-block{padding:32px 20px;border-radius:16px;}
  .sub-form{flex-direction:column;}
  .sub-form input[type="email"]{width:100%;}
  .sub-form .btn-main{width:100%;}
  .index-card{padding:20px 18px;}
  .wall-body{padding:18px 18px 20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --ink:#1C1F1B;
  --ink-soft:#59615A;
  --brand:#2F4F45;
  --brand-deep:#223B33;
  --accent:#C0653A;
  --accent-soft:#F2E3D8;
  --paper:#F7F3EA;
  --card:#FFFDF8;
  --mist:#E8EEE8;
  --line:rgba(28,31,27,.12);
  --shadow-sm:0 1px 2px rgba(28,31,27,.05),0 8px 22px -16px rgba(28,31,27,.22);
  --shadow-md:0 2px 4px rgba(28,31,27,.06),0 18px 36px -20px rgba(28,31,27,.28);
  --r-card:14px;
  --r-img:14px;
  --r-btn:10px;
  --font-title:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-body:-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{font-family:var(--font-title);font-weight:600;color:var(--ink);margin:0;letter-spacing:.2px;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent);}
img{max-width:100%;display:block;}
ul{list-style:none;margin:0;padding:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:992px) and (max-width:1199px){
  .container{max-width:960px;}
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,243,234,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(140%) blur(10px);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;gap:18px;position:relative;
}
.nav-side{display:flex;align-items:center;gap:26px;flex:1;}
.nav-side--left{justify-content:flex-start;}
.nav-side--right{justify-content:flex-end;}
.brand{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-title);font-size:22px;font-weight:600;
  color:var(--ink);white-space:nowrap;letter-spacing:.5px;
}
.brand:hover{color:var(--brand);}
.brand .dot{width:16px;height:3px;border-radius:2px;background:var(--accent);display:inline-block;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-soft);
  padding:6px 2px;line-height:1.4;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--brand);color:var(--brand);
  padding:9px 20px;border-radius:var(--r-btn);
  font-size:14px;font-weight:500;line-height:1.4;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.nav-cta:hover{background:var(--brand);color:var(--card);transform:translateY(-1px);}
.nav-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:44px;height:42px;flex-direction:column;justify-content:center;gap:5px;
  background:transparent;border:1px solid var(--line);border-radius:10px;cursor:pointer;
  padding:0;
}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--ink);margin:0 auto;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-panel{display:none;background:var(--paper);border-top:1px solid var(--line);}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:block;padding:15px 20px;font-size:15px;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-panel a:hover{background:var(--mist);color:var(--brand);}
.mobile-panel a.is-active{color:var(--brand);font-weight:600;border-left:3px solid var(--accent);padding-left:17px;}
@media (max-width:991px){
  .nav-side{display:none;}
  .nav-toggle{display:flex;order:1;}
  .brand{order:2;position:absolute;left:50%;transform:translateX(-50%);font-size:20px;}
}

/* ---------- Page hero ---------- */
.page-hero{
  padding:52px 0 40px;
  border-bottom:1px solid var(--line);
  background:
    repeating-linear-gradient(135deg,rgba(28,31,27,.022) 0 2px,transparent 2px 9px),
    var(--paper);
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-soft);margin-bottom:26px;}
.crumbs a{color:var(--ink-soft);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{opacity:.5;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:1.4px;color:var(--accent);
  text-transform:uppercase;margin-bottom:16px;font-weight:500;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:inline-block;}
.page-hero h1{
  font-size:44px;line-height:1.28;letter-spacing:.4px;max-width:20ch;
  margin-bottom:18px;
}
.hero-lead{
  font-size:17px;color:var(--ink-soft);line-height:1.85;max-width:64ch;margin-bottom:30px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:12px;}
.tag{
  display:inline-flex;align-items:center;
  padding:8px 18px;border-radius:999px;font-size:14px;
  border:1px solid var(--line);color:var(--ink-soft);background:var(--card);
  transition:all .22s ease;white-space:nowrap;
}
.tag.is-active{background:var(--brand);border-color:var(--brand);color:var(--card);font-weight:500;}
.tag:not(.is-active):hover{border-color:var(--brand);color:var(--brand);}

/* ---------- Sections ---------- */
.sec{padding:76px 0;}
.sec--tight{padding:56px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;}
.sec-head h2{font-size:30px;line-height:1.34;}
.sec-sub{font-size:15px;color:var(--ink-soft);margin-top:8px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:500;color:var(--brand);
}
.link-arrow .ar{transition:transform .25s ease;display:inline-block;}
.link-arrow:hover{color:var(--accent);}
.link-arrow:hover .ar{transform:translateX(4px);}

/* ---------- Featured ---------- */
.featured-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:24px;}
.feature-main{
  position:relative;display:block;border-radius:20px;overflow:hidden;
  min-height:380px;background:var(--brand-deep);color:#F3F5F0;
  box-shadow:var(--shadow-md);
}
.feature-main img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:.62;transition:transform .6s ease,opacity .4s ease;
}
.feature-main:hover img{transform:scale(1.04);opacity:.7;}
.feature-main .veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(34,59,51,.16) 0%,rgba(34,59,51,.86) 100%);
}
.feature-main .inner{
  position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;
  padding:34px 36px;gap:14px;
}
.feature-main .kicker{
  align-self:flex-start;font-size:12px;letter-spacing:1.6px;
  padding:5px 12px;border:1px solid rgba(255,253,248,.45);border-radius:4px;color:#F7F3EA;
}
.feature-main h3{color:#F7F3EA;font-size:27px;line-height:1.4;max-width:24ch;}
.feature-main p{color:rgba(247,243,234,.82);font-size:15px;line-height:1.8;max-width:44ch;}
.feature-main .go{
  display:inline-flex;align-items:center;gap:8px;font-size:14.5px;color:#F2E3D8;font-weight:500;
  margin-top:4px;
}
.feature-main:hover .go{color:#FFD9BF;}
.feature-main:hover .go .ar{transform:translateX(4px);}
.feature-main .go .ar{transition:transform .25s ease;}
.feature-side{display:flex;flex-direction:column;gap:16px;}
.side-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  flex:1;
}
.side-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm);border-color:rgba(47,79,69,.32);}
.side-item .mini{
  width:74px;height:74px;border-radius:10px;overflow:hidden;flex:0 0 74px;background:var(--mist);
}
.side-item .mini img{width:100%;height:100%;object-fit:cover;}
.side-item h4{font-size:17px;line-height:1.5;margin-bottom:8px;}
.side-item .meta{font-size:13px;color:var(--ink-soft);display:flex;gap:8px;flex-wrap:wrap;}

/* ---------- Cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.content-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  box-shadow:var(--shadow-sm);
}
.content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(47,79,69,.3);}
.thumb{aspect-ratio:16/10;overflow:hidden;background:var(--mist);}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease;}
.content-card:hover .thumb img{transform:scale(1.05);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body .badge-cat{
  align-self:flex-start;font-size:12.5px;font-weight:500;
  padding:4px 12px;border-radius:999px;
  background:var(--accent-soft);color:#8A4526;letter-spacing:.3px;
}
.card-body h3{font-size:19px;line-height:1.5;}
.card-body h3 a{color:var(--ink);}
.card-body h3 a:hover{color:var(--brand);}
.card-desc{
  font-size:14.5px;line-height:1.8;color:var(--ink-soft);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-soft);
}
.card-foot .ar{
  display:inline-flex;align-items:center;gap:5px;color:var(--brand);font-weight:500;
}
.content-card:hover .card-foot .ar{color:var(--accent);}

/* ---------- Pager ---------- */
.pager-wrap{margin-top:44px;display:flex;flex-direction:column;align-items:center;gap:22px;}
.pager{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;}
.pager a,.pager span{
  min-width:44px;height:44px;padding:0 14px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:8px;background:var(--card);
  font-size:14px;color:var(--ink-soft);transition:all .2s ease;
}
.pager a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.pager .is-current{background:var(--brand);border-color:var(--brand);color:var(--card);font-weight:600;}
.pager .is-disabled{opacity:.45;cursor:not-allowed;}
.pager-note{font-size:14px;color:var(--ink-soft);}
.pager-note a{font-weight:500;}

/* ---------- Dark section ---------- */
.dark-sec{
  background:var(--brand-deep);color:#EEF2EC;border-radius:20px;
  padding:56px;display:grid;grid-template-columns:1fr 1.2fr;gap:44px;align-items:start;
  box-shadow:var(--shadow-md);
}
.dark-sec h2{color:#F7F3EA;font-size:29px;line-height:1.4;margin-bottom:16px;}
.dark-sec p{color:rgba(238,242,236,.78);font-size:15.5px;line-height:1.9;}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px 32px;}
.stat .num{
  font-family:var(--font-title);font-size:36px;line-height:1.1;color:#F7F3EA;letter-spacing:.5px;
}
.stat .num span{font-size:18px;margin-left:2px;color:rgba(247,243,234,.7);}
.stat .cap{font-size:13.5px;color:rgba(238,242,236,.66);margin-top:6px;}
.partners{
  grid-column:1 / -1;margin-top:8px;padding-top:28px;border-top:1px solid rgba(247,243,234,.16);
  display:flex;flex-wrap:wrap;gap:14px 34px;align-items:center;
}
.partners span{
  font-size:14px;color:rgba(247,243,234,.42);letter-spacing:1px;
}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;text-align:left;
  font-family:var(--font-title);font-size:18px;line-height:1.5;color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-q .sign{
  font-family:var(--font-body);font-size:22px;line-height:1;color:var(--accent);flex:0 0 auto;
  transition:transform .2s ease;
}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a p{padding:0 4px 22px;font-size:15.5px;line-height:1.85;color:var(--ink-soft);max-width:68ch;}
.faq-item.is-open .faq-q{color:var(--brand);}

/* ---------- Subscribe ---------- */
.sub-sec{
  background:var(--mist);border-radius:20px;padding:48px;
  display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;
}
.sub-sec h2{font-size:28px;line-height:1.4;margin-bottom:12px;}
.sub-sec p{font-size:15.5px;color:var(--ink-soft);line-height:1.85;margin:0;}
.sub-form{display:flex;gap:12px;align-items:center;flex-wrap:wrap;}
.sub-form input[type="email"]{
  flex:1;min-width:200px;
  padding:14px 20px;border-radius:999px;border:1px solid rgba(28,31,27,.16);
  background:var(--card);font-size:15px;color:var(--ink);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.sub-form input[type="email"]::placeholder{color:#9AA69C;}
.sub-form input[type="email"]:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(192,101,58,.14);
}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);border:1px solid var(--brand);
  background:var(--brand);color:var(--card);font-size:15px;font-weight:500;
  cursor:pointer;transition:background .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-main:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:var(--card);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.btn-main:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);border:1px solid var(--brand);
  background:transparent;color:var(--brand);font-size:15px;font-weight:500;
  cursor:pointer;transition:all .22s ease;
}
.btn-ghost:hover{background:var(--brand);color:var(--card);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.form-hint{font-size:13px;color:var(--ink-soft);margin-top:12px;}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);padding:64px 0 0;margin-top:20px;background:var(--paper);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-title);font-size:21px;font-weight:600;color:var(--ink);
  margin-bottom:16px;
}
.footer-brand .dot{width:14px;height:3px;border-radius:2px;background:var(--accent);display:inline-block;}
.footer-about{font-size:14.5px;line-height:1.9;color:var(--ink-soft);max-width:34ch;}
.footer-col h4{
  font-family:var(--font-body);font-size:14px;font-weight:600;color:var(--ink);
  letter-spacing:.6px;margin-bottom:18px;
}
.footer-col li{margin-bottom:11px;font-size:14.5px;color:var(--ink-soft);}
.footer-col li a{color:var(--ink-soft);}
.footer-col li a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:52px;border-top:1px solid var(--line);padding:22px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:var(--ink-soft);
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .page-hero h1{font-size:38px;}
  .dark-sec{padding:46px;grid-template-columns:1fr;gap:32px;}
  .sub-sec{padding:40px;}
}
@media (max-width:991px){
  .sec{padding:56px 0;}
  .featured-grid{grid-template-columns:1fr;}
  .feature-main{min-height:320px;}
  .sub-sec{grid-template-columns:1fr;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .page-hero h1{font-size:34px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .card-grid{grid-template-columns:1fr;}
  .page-hero{padding:36px 0 30px;}
  .page-hero h1{font-size:30px;max-width:none;}
  .hero-lead{font-size:16px;}
  .sec-head h2{font-size:23px;}
  .feature-main .inner{padding:24px;}
  .feature-main h3{font-size:22px;}
  .dark-sec,.sub-sec{padding:30px;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-q{font-size:16.5px;}
}
@media (max-width:575px){
  .tag{font-size:13px;padding:7px 14px;}
  .btn-main,.btn-ghost,.sub-form input[type="email"]{width:100%;}
  .sub-form{flex-direction:column;align-items:stretch;}
  .pager a,.pager span{min-width:40px;height:40px;font-size:13.5px;padding:0 10px;}
  .stat .num{font-size:30px;}
  .side-item{flex-direction:column;}
  .side-item .mini{width:100%;height:140px;flex:none;}
}

/* roulang page: category3 */
:root{
  --ink:#1C1F1B;
  --ink-soft:#59615A;
  --brand:#2F4F45;
  --brand-deep:#223B33;
  --accent:#C0653A;
  --accent-soft:#F2E3D8;
  --paper:#F7F3EA;
  --card:#FFFDF8;
  --mist:#E8EEE8;
  --line:rgba(28,31,27,.12);
  --radius-card:14px;
  --radius-btn:10px;
  --shadow:0 1px 2px rgba(28,31,27,.05),0 10px 28px -14px rgba(28,31,27,.20);
  --shadow-hover:0 2px 4px rgba(28,31,27,.07),0 18px 40px -18px rgba(28,31,27,.28);
  --font-title:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-body:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background-color:var(--paper);
  background-image:repeating-linear-gradient(135deg,rgba(28,31,27,.016) 0 1px,transparent 1px 7px);
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--accent);}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;
}
h1,h2,h3,h4{font-family:var(--font-title);font-weight:600;color:var(--ink);margin:0;letter-spacing:.01em;}
h1{font-size:44px;line-height:1.25;}
h2{font-size:30px;line-height:1.3;}
h3{font-size:21px;line-height:1.4;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
.container{max-width:1200px;padding:0 20px;margin:0 auto;width:100%;}
.section{padding:88px 0;}
.section--tight{padding:56px 0;}
.section--mist{background:var(--mist);}
.section--card{background:var(--card);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--accent);
  text-transform:uppercase;font-weight:500;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:inline-block;}
.lead{font-size:17px;color:var(--ink-soft);line-height:1.85;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,243,234,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .container{position:relative;}
.nav-wrap{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  height:76px;gap:16px;
}
.nav-side{display:flex;align-items:center;gap:26px;}
.nav-side--right{justify-content:flex-end;}
.brand{
  font-family:var(--font-title);font-size:22px;font-weight:600;
  color:var(--ink);display:inline-flex;align-items:center;gap:10px;
  white-space:nowrap;letter-spacing:.02em;
}
.brand:hover{color:var(--brand);}
.brand .dot{width:18px;height:3px;background:var(--accent);display:inline-block;border-radius:2px;}
.nav-link{
  font-size:15px;font-weight:500;color:var(--ink-soft);
  padding:6px 0;position:relative;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--brand);color:var(--brand);
  padding:9px 20px;border-radius:var(--radius-btn);
  font-size:14px;font-weight:500;white-space:nowrap;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.nav-cta:hover{background:var(--brand);color:#FFFDF8;transform:translateY(-1px);}
.nav-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;position:absolute;left:20px;top:50%;transform:translateY(-50%);
  width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:var(--card);cursor:pointer;padding:0;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle i{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mobile-panel{display:none;background:var(--paper);border-top:1px solid var(--line);}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:block;padding:0 22px;height:52px;line-height:52px;
  font-size:16px;color:var(--ink-soft);border-left:3px solid transparent;
}
.mobile-panel a:hover{background:var(--mist);color:var(--brand);}
.mobile-panel a.is-active{color:var(--ink);border-left-color:var(--accent);background:rgba(192,101,58,.05);}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{padding:26px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-soft);}
.crumb a{color:var(--ink-soft);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:rgba(28,31,27,.28);}
.crumb .current{color:var(--ink);}

/* ---------- 页面首屏 ---------- */
.page-hero{padding:34px 0 76px;border-bottom:1px solid var(--line);}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,.85fr);gap:56px;align-items:end;}
.page-hero h1{margin-bottom:16px;}
.page-hero h1 .accent{color:var(--brand);}
.hero-sub{font-size:18px;color:var(--ink-soft);max-width:56ch;margin-bottom:22px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  font-size:13px;border:1px solid var(--line);color:var(--ink-soft);background:var(--card);
}
.tag--solid{background:var(--brand);color:#FFFDF8;border-color:var(--brand);}
.tag--accent{background:var(--accent-soft);color:#8B4526;border-color:transparent;}
.data-strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--card);overflow:hidden;box-shadow:var(--shadow);
}
.data-item{padding:22px 18px;text-align:center;border-left:1px solid var(--line);}
.data-item:first-child{border-left:none;}
.data-num{font-family:var(--font-title);font-size:32px;line-height:1.1;color:var(--brand);display:block;margin-bottom:6px;}
.data-num small{font-size:15px;margin-left:2px;color:var(--ink-soft);font-family:var(--font-body);}
.data-label{font-size:13px;color:var(--ink-soft);line-height:1.5;}

/* ---------- 时间轴 ---------- */
.tl-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:56px;align-items:start;}
.section-head{max-width:62ch;margin-bottom:44px;}
.section-head h2{margin-bottom:14px;}
.tl-list{position:relative;}
.tl-item{position:relative;padding-left:46px;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:6px;top:14px;bottom:-12px;width:1px;background:var(--line);
}
.tl-item:last-child::before{display:none;}
.tl-dot{
  position:absolute;left:0;top:4px;width:13px;height:13px;border-radius:3px;
  border:2px solid var(--brand);background:var(--card);
}
.tl-item h3{margin-bottom:8px;font-size:20px;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;}
.tl-no{font-family:var(--font-title);font-size:14px;color:var(--accent);letter-spacing:.08em;}
.tl-desc{color:var(--ink-soft);font-size:16px;max-width:62ch;margin-bottom:10px;}
.tl-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--ink-soft);}
.tl-meta span{display:inline-flex;align-items:center;gap:6px;}
.tl-meta span::before{content:"";width:2px;height:12px;background:var(--accent);display:inline-block;}

.side-card{
  position:sticky;top:104px;
  background:var(--mist);border:1px solid var(--line);border-radius:18px;
  padding:30px 26px;box-shadow:var(--shadow);
}
.side-card h3{font-size:20px;margin-bottom:12px;}
.side-card p{font-size:15px;color:var(--ink-soft);margin-bottom:20px;}
.side-card .btn-primary-solid{width:100%;justify-content:center;}
.side-divider{height:1px;background:var(--line);margin:22px 0;}
.side-list li{font-size:14px;color:var(--ink-soft);padding-left:16px;position:relative;line-height:1.9;}
.side-list li::before{content:"";position:absolute;left:0;top:12px;width:8px;height:2px;background:var(--accent);}

/* ---------- 按钮 ---------- */
.btn-primary-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand);color:#FFFDF8;border:1px solid var(--brand);
  padding:14px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;cursor:pointer;
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
  box-shadow:var(--shadow);
}
.btn-primary-solid:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#FFFDF8;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-primary-solid:active{transform:translateY(0);box-shadow:none;}
.btn-primary-solid:disabled,.btn-primary-solid[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--brand);border:1px solid var(--brand);
  padding:14px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;cursor:pointer;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.btn-ghost:hover{background:var(--brand);color:#FFFDF8;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:500;color:var(--brand);}
.text-link .arrow{transition:transform .22s ease;}
.text-link:hover{color:var(--accent);}
.text-link:hover .arrow{transform:translateX(4px);}

/* ---------- 图文区块 ---------- */
.feature-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center;}
.figure-frame{
  position:relative;border-radius:18px;overflow:hidden;background:var(--mist);
  box-shadow:var(--shadow);
}
.figure-frame img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .6s ease;}
.figure-frame:hover img{transform:scale(1.03);}
.figure-frame .corner-tag{
  position:absolute;right:16px;bottom:16px;
  background:rgba(34,59,51,.88);color:#F4F1E8;
  font-size:12px;letter-spacing:.1em;padding:7px 12px;border-radius:3px;
}
.feature-copy h2{margin-bottom:16px;}
.feature-copy p{color:var(--ink-soft);max-width:58ch;}
.point-list{margin:22px 0 26px;}
.point-list li{
  position:relative;padding-left:18px;margin-bottom:12px;
  font-size:16px;color:var(--ink);
}
.point-list li::before{
  content:"";position:absolute;left:0;top:11px;width:10px;height:2px;background:var(--accent);
}

/* ---------- 对照表 ---------- */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;background:var(--card);box-shadow:var(--shadow);
}
.compare-table{width:100%;border-collapse:collapse;}
.compare-table thead th{
  background:var(--mist);color:var(--ink-soft);
  font-family:var(--font-body);font-size:14px;font-weight:600;
  text-align:left;padding:16px 22px;letter-spacing:.04em;
  border-bottom:1px solid var(--line);
}
.compare-table tbody td{
  padding:18px 22px;font-size:15px;color:var(--ink-soft);
  border-top:1px solid var(--line);vertical-align:top;line-height:1.75;
}
.compare-table tbody tr:first-child td{border-top:none;}
.compare-table tbody tr:hover td{background:rgba(232,238,232,.55);}
.compare-table td strong{color:var(--ink);font-weight:600;display:block;margin-bottom:2px;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 56px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  background:none;border:none;padding:22px 0;cursor:pointer;text-align:left;
  font-family:var(--font-title);font-size:18px;line-height:1.5;color:var(--ink);
  transition:color .22s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-q[aria-expanded="true"]{color:var(--brand);}
.faq-sign{flex:0 0 auto;font-family:var(--font-body);font-size:20px;line-height:1;color:var(--accent);margin-top:4px;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{font-size:15px;color:var(--ink-soft);padding:0 0 22px;max-width:58ch;}
.faq-item.is-open .faq-a{max-height:420px;}

/* ---------- 深色 CTA ---------- */
.cta-band{
  background:var(--brand-deep);color:#F1EEE4;border-radius:20px;
  padding:56px 56px;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
  gap:48px;align-items:center;
}
.cta-band h2{color:#FFFDF8;margin-bottom:14px;}
.cta-band p{color:rgba(241,238,228,.78);font-size:16px;max-width:46ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-band .btn-primary-solid{background:var(--accent);border-color:var(--accent);}
.cta-band .btn-primary-solid:hover{background:#A95531;border-color:#A95531;}
.cta-band .btn-ghost{border-color:rgba(241,238,228,.5);color:#F1EEE4;}
.cta-band .btn-ghost:hover{background:#F1EEE4;color:var(--brand-deep);}

/* ---------- 返回顶部 ---------- */
.back-top-row{padding:36px 0 0;text-align:right;}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--paper);padding:64px 0 0;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{
  font-family:var(--font-title);font-size:22px;font-weight:600;color:var(--ink);
  display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;
}
.footer-brand .dot{width:18px;height:3px;background:var(--accent);display:inline-block;border-radius:2px;}
.footer-about{font-size:14px;color:var(--ink-soft);line-height:1.85;max-width:34ch;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--ink);font-family:var(--font-body);font-weight:600;letter-spacing:.04em;}
.footer-col li{margin-bottom:10px;}
.footer-col a,.footer-col span{font-size:14px;color:var(--ink-soft);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:52px;border-top:1px solid var(--line);
  padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-soft);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{max-width:960px;}
  .hero-grid{gap:40px;}
  .tl-layout{grid-template-columns:minmax(0,1fr) 300px;gap:40px;}
}
@media (max-width:991px){
  h1{font-size:34px;}
  h2{font-size:25px;}
  .section{padding:60px 0;}
  .nav-side{display:none;}
  .nav-toggle{display:flex;}
  .nav-wrap{grid-template-columns:1fr;justify-items:center;}
  .hero-grid{grid-template-columns:1fr;gap:32px;align-items:start;}
  .data-strip{max-width:520px;}
  .tl-layout{grid-template-columns:1fr;gap:36px;}
  .side-card{position:static;}
  .feature-grid{grid-template-columns:1fr;gap:32px;}
  .faq-grid{grid-template-columns:1fr;gap:0;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;gap:28px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575px){
  body{font-size:16px;}
  h1{font-size:30px;}
  h2{font-size:23px;}
  h3{font-size:19px;}
  .section{padding:48px 0;}
  .page-hero{padding:24px 0 48px;}
  .hero-sub{font-size:16px;}
  .data-strip{grid-template-columns:1fr;}
  .data-item{border-left:none;border-top:1px solid var(--line);}
  .data-item:first-child{border-top:none;}
  .btn-primary-solid,.btn-ghost{width:100%;}
  .cta-actions{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .compare-table thead th,.compare-table tbody td{padding:14px 16px;font-size:14px;}
  .table-scroll{overflow-x:auto;}
  .compare-table{min-width:560px;}
  .back-top-row{text-align:left;}
}