/* roulang page: index */
:root{
  --color-bg:#F5F1E8;
  --color-surface:#FFFFFF;
  --color-surface-muted:#ECE6DB;
  --color-ink:#24211C;
  --color-ink-strong:#11100D;
  --color-ink-muted:#787366;
  --color-line:#DCD5C8;
  --color-accent:#A63A2B;
  --color-accent-soft:#F2E2D9;
  --color-ink-deep:#1C1A16;
  --radius-card:14px;
  --radius-tag:6px;
  --radius-btn:40px;
  --shadow-soft:0 8px 24px rgba(36,33,28,0.05);
  --shadow-hover:0 16px 36px rgba(36,33,28,0.09);
  --transition-base:all .3s cubic-bezier(.23,1,.32,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--color-bg);
  color:var(--color-ink);
  font-family:"Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{font-family:"Noto Serif SC","Source Han Serif SC",serif;color:var(--color-ink-strong);line-height:1.35;font-weight:700;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--color-accent);text-decoration:none;transition:var(--transition-base);}
a:hover{color:var(--color-ink-strong);}
ul,ol{list-style:none;}
button{font-family:"Noto Sans SC",system-ui,sans-serif;cursor:pointer;border:none;background:none;}
input,textarea{font-family:"Noto Sans SC",system-ui,sans-serif;}

.container{max-width:1240px;margin:0 auto;padding:0 24px;}
.site-header{
  background:var(--color-surface);
  border-bottom:1px solid var(--color-line);
  position:sticky;
  top:0;
  z-index:100; 
}
.top-bar-brand{width:100%;border-bottom:1px solid var(--color-line);}
.top-bar-brand .brand-notice{
  max-width:1240px;margin:0 auto;padding:8px 24px;
  font-size:12px;color:var(--color-ink-muted);letter-spacing:0.04em;
  display:flex;justify-content:space-between;align-items:center;gap:12px;
}
.brand-row{max-width:1240px;margin:0 auto;padding:14px 24px 8px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand-lockup{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:40px;height:40px;background:var(--color-accent);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:"Noto Serif SC",serif;font-weight:700;font-size:19px;
  border-radius:8px;flex:0 0 auto;
}
.brand-name{font-family:"Noto Serif SC",serif;font-size:22px;font-weight:700;color:var(--color-ink-strong);letter-spacing:0.02em;}
.brand-domain{display:block;font-family:"Noto Sans SC",sans-serif;font-size:12px;color:var(--color-ink-muted);font-weight:400;letter-spacing:0.05em;}
.header-side{display:flex;align-items:center;gap:16px;}
.header-contact{
  display:flex;align-items:center;gap:8px;color:var(--color-ink);
  font-size:14px;font-weight:500;
  padding:8px 18px;border:1px solid var(--color-line);border-radius:var(--radius-btn);
  background:var(--color-bg);
}
.header-contact i{color:var(--color-accent);}
.header-contact:hover{border-color:var(--color-accent);background:var(--color-accent-soft);}
.nav-bar{border-top:1px solid var(--color-line);background:var(--color-surface);}
.nav-inner{max-width:1240px;margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none;}
.nav-inner::-webkit-scrollbar{display:none;}
.nav-item{
  display:inline-block;padding:12px 8px;margin-right:18px;
  font-size:15px;color:var(--color-ink);font-weight:500;
  border-bottom:3px solid transparent;transition:var(--transition-base);
  white-space:nowrap;
}
.nav-item i{font-size:14px;margin-right:6px;color:var(--color-ink-muted);}
.nav-item:hover{color:var(--color-accent);border-bottom-color:var(--color-accent-soft);}
.nav-item.nav-active{color:var(--color-accent);border-bottom-color:var(--color-accent);font-weight:700;}
.menu-toggle{display:none;padding:10px 0;font-size:20px;color:var(--color-ink);}

@media screen and (max-width: 64em){
  .menu-toggle{display:block;position:absolute;right:16px;top:8px;}
  .nav-inner{
    display:none;flex-direction:column;align-items:flex-start;gap:0;
    padding:10px 16px;position:absolute;top:100%;left:0;right:0;
    background:var(--color-surface);border-top:1px solid var(--color-line);
    box-shadow:0 12px 24px rgba(36,33,28,0.05);
  }
  .nav-inner.nav-open{display:flex;}
  .nav-item{width:100%;padding:12px 4px;border-bottom:1px solid var(--color-line);margin-right:0;}
  .header-contact{display:none;}
  .brand-row{flex-wrap:wrap;padding-top:12px;}
}

.hero-index{
  position:relative;
  background:linear-gradient(105deg, rgba(17,16,13,0.95) 0%, rgba(28,26,22,0.72) 55%, rgba(17,16,13,0.3) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  background-attachment:fixed;
  color:#fff;
  padding:76px 0 0;
  border-bottom:4px solid var(--color-accent);
}
.hero-inner{display:flex;flex-wrap:wrap;align-items:center;gap:48px;}
.hero-main{flex:1 1 560px;}
.hero-label{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,0.12);backdrop-filter:blur(4px);
  color:#F0E9DD;border:1px solid rgba(255,255,255,0.2);
  font-size:13px;padding:6px 14px;border-radius:30px;margin-bottom:24px;letter-spacing:0.05em;
}
.hero-main h1{
  color:#fff;
  font-family:"Noto Serif SC",serif;
  font-size:clamp(34px,4.8vw,58px);
  font-weight:700;
  line-height:1.22;
  margin-bottom:16px;
  letter-spacing:0.01em;
}
.hero-main h1 em{font-style:normal;color:#E5CBB3;position:relative;}
.hero-main h1 em::after{
  content:'';display:block;position:absolute;left:2px;right:2px;bottom:4px;height:8px;
  background:rgba(166,58,43,0.38);z-index:-1;border-radius:2px;
}
.hero-desp{
  font-size:clamp(15px, 1.4vw, 19px);
  line-height:1.9;color:rgba(255,255,255,0.8);
  max-width:590px;margin-bottom:28px;font-weight:300;
}
.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:16px;margin-bottom:36px;}
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--color-accent);color:#fff;
  font-size:15px;font-weight:600;
  padding:12px 28px;border-radius:var(--radius-btn);
  border:1px solid transparent;
  transition:var(--transition-base);
}
.btn-primary i{transition:var(--transition-base);}
.btn-primary:hover{background:#8C2D20;color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(166,58,43,0.3);}
.btn-primary:hover i{transform:translateX(4px);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;color:#fff;
  font-size:15px;font-weight:500;
  padding:12px 4px;border-bottom:1px solid rgba(255,255,255,0.4);
}
.btn-ghost i{transition:var(--transition-base);}
.btn-ghost:hover{color:#E5CBB3;border-bottom-color:#E5CBB3;}
.btn-ghost:hover i{transform:translateX(4px);}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:0;
  border-top:1px solid rgba(255,255,255,0.16);margin-top:8px;max-width:760px;
}
.stat-item{padding:18px 28px 18px 0;margin-right:36px;}
.stat-item strong{
  display:block;font-family:"Noto Serif SC",serif;
  font-size:26px;color:#fff;line-height:1.3;font-weight:700;
}
.stat-item span{font-size:13px;color:rgba(255,255,255,0.6);}
.hero-figure{flex:0 0 360px;position:relative;}
.hero-figure .img-ratio{
  border-radius:18px;overflow:hidden;box-shadow:0 30px 70px rgba(0,0,0,0.35);
  border:1px solid rgba(255,255,255,0.1);
  background:#2A251E;min-height:320px;
  position:relative;
}
.hero-figure .img-ratio img{object-fit:cover;width:100%;height:100%;position:absolute;inset:0;}

@media screen and (max-width: 1024px){
  .hero-figure{flex:0 0 100%;margin-top:20px;}
  .stat-item{padding:14px 18px 14px 0;margin-right:16px;}
  .stat-item strong{font-size:20px;}
  .hero-index{background-attachment:scroll;padding:56px 0 0;}
}
@media screen and (max-width:600px){
  .hero-stats{flex-direction:column;gap:6px;}
  .hero-main h1{font-size:32px;}
  .hero-actions{flex-direction:column;align-items:flex-start;gap:14px;}
  .container{padding:0 18px;}
}

.section-block{padding:90px 0;}
.section-block-sm{padding:56px 0;}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;margin-bottom:48px;flex-wrap:wrap;}
.section-kicker{display:inline-block;font-size:13px;color:var(--color-accent);font-weight:600;letter-spacing:0.1em;margin-bottom:8px;padding:4px 0;border-bottom:2px solid var(--color-accent);}
.section-title{font-size:clamp(24px,3.2vw,38px);line-height:1.35;color:var(--color-ink-strong);}
.section-subtitle{color:var(--color-ink-muted);font-size:15px;margin-top:12px;max-width:720px;}

.section-context{display:flex;flex-wrap:wrap;gap:64px;}
.context-left{flex:0 0 340px;position:sticky;top:160px;align-self:flex-start;}
.context-left h2.marker-title{
  font-size:36px;line-height:1.4;margin-bottom:20px;
  writing-mode:vertical-rl;text-orientation:upright;letter-spacing:0.18em;
  color:var(--color-bg);-webkit-text-stroke:1px var(--color-line);
  user-select:none;font-weight:700;
}
.context-right{flex:1 1 540px;}
.context-list{border-top:1px solid var(--color-line);}
.context-list .context-item{padding:26px 0;border-bottom:1px solid var(--color-line);display:flex;gap:20px;}
.context-list .context-item .c-index{
  font-family:"Noto Serif SC",serif;font-size:13px;color:var(--color-accent);
  border:1px solid var(--color-accent);border-radius:100%;width:34px;height:34px;
  flex:0 0 34px;display:flex;align-items:center;justify-content:center;font-weight:700;
}
.context-item h3{font-size:18px;margin-bottom:6px;}
.context-item p{color:var(--color-ink-muted);font-size:14px;max-width:560px;}

.section-solution{background:var(--color-surface);border-top:1px solid var(--color-line);border-bottom:1px solid var(--color-line);}
.solution-lead{
  font-family:"Noto Serif SC",serif;font-size:clamp(20px,3.2vw,34px);
  color:var(--color-ink-strong);line-height:1.8;margin-bottom:64px;max-width:900px;
}
.solution-grids{display:flex;flex-wrap:wrap;gap:36px;}
.solution-left-figure{flex:1 1 340px;position:relative;border-radius:var(--radius-card);overflow:hidden;min-height:360px;background:#2A251E;box-shadow:var(--shadow-soft);}
.solution-left-figure img{object-fit:cover;width:100%;height:100%;position:absolute;}
.solu-feature{flex:1 1 380px;display:flex;flex-direction:column;justify-content:center;}
.solu-hidden-block{background:var(--color-ink-deep);color:#F5F1E8;padding:36px;border-radius:var(--radius-card);height:100%;display:flex;flex-direction:column;justify-content:center;}

.feat-item{border-bottom:1px solid var(--color-line);padding:16px 0;display:flex;align-items:flex-start;gap:16px;}
.feat-item i{color:var(--color-accent);margin-top:4px;}
.feat-item h4{font-size:16px;}
.feat-item p{font-size:14px;color:var(--color-ink-muted);margin-top:4px;}
@media screen and (max-width: 768px){
  .solution-grids{gap:24px;}
}

.steps-timeline{margin-top:72px;position:relative;}
.step-row{display:flex;gap:24px;margin-bottom:32px;flex-wrap:wrap;justify-content:center;}
@media screen and (max-width: 768px){.step-row{gap:8px;}}
.step-card{
  background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-card);
  padding:28px 24px;flex:1 1 260px;max-width:340px;
  box-shadow:var(--shadow-soft);transition:var(--transition-base);
}
.step-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.step-num{font-family:"Times New Roman","Noto Serif SC",serif;font-size:52px;line-height:1;color:transparent;-webkit-text-stroke:1px var(--color-accent);margin-bottom:16px;}
.step-icon{font-size:28px;color:var(--color-accent);margin-bottom:12px;}
.step-card h4{font-size:18px;margin-bottom:10px;}
.step-card p{font-size:14px;color:var(--color-ink-muted);}

.latest-section{background:var(--color-bg);}
.latest-layout{display:flex;flex-wrap:wrap;gap:32px;}
.feature-article-card{
  flex:1 1 500px;display:flex;
  background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-soft);transition:var(--transition-base);
  min-height:260px;
}
.feature-article-card:hover{box-shadow:var(--shadow-hover);border-color:var(--color-accent-soft);transform:translateY(-2px);}
.f-cover{flex:0 0 48%;background:var(--color-surface-muted);position:relative;min-height:220px;overflow:hidden;}
.f-cover img{width:100%;height:100%;object-fit:cover;}
.f-body{flex:1;padding:24px;display:flex;flex-direction:column;justify-content:center;}
.f-body h3{font-size:20px;line-height:1.5;margin-bottom:10px;color:var(--color-ink-strong);font-weight:700;}
.f-body h3 a{color:inherit;}
.f-body h3 a:hover{color:var(--color-accent);text-decoration:underline;}
.f-excerpt{font-size:14px;color:var(--color-ink-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px;}
.post-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--color-ink-muted);margin-top:auto;}
.list-mini-card{
  background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-card);
  padding:16px;box-shadow:var(--shadow-soft);transition:var(--transition-base);
  display:flex;flex-direction:column;
}
.post-card-lists{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
@media screen and (max-width: 700px){
  .post-card-lists{grid-template-columns:1fr;}
}
.mini-card-row{
  display:flex;align-items:center;gap:14px;padding:13px 0;flex-wrap:wrap;
  border-bottom:1px solid var(--color-line);background:var(--color-surface);
}
.mini-card-row:last-child{border-bottom:none;}
.mini-num{font-family:"Noto Serif SC",serif;color:var(--color-accent);font-size:18px;font-weight:700;flex:0 0 24px;}
.mini-card-row h4{flex:1 1 200px;margin-bottom:0;min-width:140px;font-size:16px;}
.mini-card-row h4 a{color:var(--color-ink-strong);}
.mini-card-row h4 a:hover{color:var(--color-accent);}
.time-chip{font-size:13px;color:var(--color-ink-muted);flex:0 0 60px;text-align:right;white-space:nowrap;}
@media screen and (max-width: 600px){
  .time-chip{display:none;}
}

.testimony-section{background:var(--color-surface);}
.testi-col{flex:1 1 300px;}
.testi-card{border:1px solid var(--color-line);border-radius:var(--radius-card);background:var(--color-bg);padding:24px;margin-bottom:24px;box-shadow:var(--shadow-soft);transition:var(--transition-base);}
.testi-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.testi-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.testi-avatar{font-family:"Noto Serif SC",serif;color:var(--color-accent);width:48px;height:48px;border-radius:50%;background:var(--color-accent-soft);display:flex;align-items:center;justify-content:center;}
.testi-meta strong{display:block;font-size:15px;color:var(--color-ink-strong);font-family:"Noto Serif SC",serif;}
.testi-meta span{font-size:13px;color:var(--color-ink-muted);}
.testi-content{font-size:14px;color:var(--color-ink);border-left:2px solid var(--color-accent);padding-left:16px;margin-top:12px;}

.faq-container{display:flex;flex-wrap:wrap;gap:40px;}
.faq-intro{flex:1 1 260px;position:sticky;top:160px;align-self:flex-start;}
.faq-intro p{color:var(--color-ink-muted);margin:24px 0 24px;}
.faq-accordion{flex:2 1 560px;}
.faq-item{border:1px solid var(--color-line);border-radius:var(--radius-card);margin-bottom:16px;overflow:hidden;background:var(--color-surface);box-shadow:var(--shadow-soft);transition:var(--transition-base);}
.faq-item.is-active{border-color:rgba(166,58,43,0.4);box-shadow:0 8px 24px rgba(36,33,28,0.08);}
.faq-item .faq-header{
  display:flex;justify-content:space-between;align-items:center;padding:18px 20px;cursor:pointer;
  background:transparent;transition:var(--transition-base);
}
.faq-item .faq-header:hover{background:var(--color-accent-soft);}
.faq-item.is-active .faq-header{background:var(--color-accent-soft);}
.faq-item .faq-header h3{font-size:16px;margin-bottom:0;overflow:hidden;}
.faq-item .faq-header .minus{transition:var(--transition-base);}
.faq-item .faq-content p{padding:0 20px 18px;background-color:var(--color-bg);}

.cta-band{
  padding:64px 0 0;
  background:var(--color-bg);
  border-top:1px solid var(--color-line);
}
.cta-inner{
  max-width:1240px;margin:0 auto;padding:0 24px 56px;
  border-bottom:1px solid var(--color-line);
  display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(24px,3vw,34px);}
.cta-btn{
  display:inline-flex;align-items:center;gap:10px;font-size:16px;
  background:var(--color-ink);color:var(--color-bg);
  border:1px solid var(--color-ink);
  padding:14px 32px;border-radius:var(--radius-btn);transition:var(--transition-base);
}
.cta-btn i{transition:var(--transition-base);}
.cta-btn:hover{color:#F5F1E8;background:var(--color-accent);border-color:var(--color-accent);}
.cta-btn:hover i{transform:translateX(4px);}

.footer{background:var(--color-surface);color:var(--color-ink);padding:60px 0 32px;border-top:2px solid var(--color-line);}
.footer-inner{display:flex;flex-wrap:wrap;gap:44px;margin-bottom:44px;}
.footer-brand-col{flex:1 1 320px;max-width:400px;}
.footer-p{font-size:14px;color:var(--color-ink-muted);margin-top:18px;line-height:1.9;}
.footer-nav{flex:1 1 160px;}
.footer-nav h5{font-size:16px;color:var(--color-ink-strong);margin-bottom:18px;font-family:"Noto Serif SC",serif;}
.footer-list li{margin-bottom:12px;}
.footer-list a{font-size:14px;color:#57534B;}
.footer-list a:hover{color:var(--color-accent);}
.footer-bottom{border-top:1px solid var(--color-line);padding-top:24px;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;color:var(--color-ink-muted);font-size:13px;align-items:center;}
.icp-tag{font-size:12px;border:1px solid var(--color-line);padding:3px 10px;border-radius:30px;color:var(--color-ink-muted);}
.icp-p{margin-top:8px;font-size:12px;color:var(--color-ink-muted);}

.reveal{opacity:0;transform:translateY(18px);transition:opacity 0.6s ease,transform 0.6s ease;}
.reveal.visible{opacity:1;transform:none;}

@media screen and (max-width: 1024px){
  .section-block{padding:64px 0;}
  .context-left{flex-basis:220px;position:static;}
  .context-left h2.marker-title{display:none;}
  .faq-intro{position:static;}
}
@media screen and (max-width: 520px){
  body{background:var(--color-bg);font-size:15px;}
  .brand-row{padding:10px 14px 6px;flex-wrap:nowrap;gap:10px;}
  .brand-mark{width:30px;height:30px;font-size:15px;}
  .brand-name{font-size:17px;}
  .container{padding:0 16px;}
  .section-head{margin-bottom:24px;flex-direction:column;align-items:flex-start;}
  .section-kicker{font-size:12px;}
  .core-price-grid{gap:16px;}
  .footer-inner{gap:20px;}
}

/* roulang page: article */
:root {
      --color-bg: #F5F1E8;
      --color-surface: #FFFFFF;
      --color-surface-muted: #ECE6DB;
      --color-ink: #24211C;
      --color-ink-strong: #0E0C09;
      --color-ink-muted: #787366;
      --color-line: #DCD5C8;
      --color-accent: #A63A2B;
      --color-accent-soft: #F2E2D9;
      --shadow-card: 0 8px 24px rgba(36, 33, 28, 0.06);
      --shadow-lift: 0 14px 34px rgba(36, 33, 28, 0.09);
      --radius-card: 14px;
      --radius-panel: 16px;
      --radius-btn: 8px;
      --radius-tag: 6px;
      --font-serif: "Noto Serif SC", "Source Han Serif SC", "Microsoft YaHei", serif;
      --font-sans: "Noto Sans SC", "PingFang SC", system-ui, -apple-system, sans-serif;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      background: var(--color-bg);
      color: var(--color-ink);
      font-family: var(--font-sans);
      font-size: 16.5px;
      line-height: 1.9;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    body,
    .site-wrap {
      min-height: 100vh;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .25s ease, background .25s ease, border-color .25s ease, box-shadow .25s ease;
    }

    a:hover,
    a:focus {
      color: var(--color-accent);
    }

    button,
    input,
    textarea {
      font-family: inherit;
      font-size: inherit;
      color: inherit;
      outline: none;
    }

    ul,
    ol {
      padding-left: 1.4em;
    }

    .container {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .section-padding {
      padding: 96px 0;
    }

    .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }

    /* ---------- 顶部说明条 ---------- */
    .topstrip {
      background: var(--color-ink);
      color: rgba(255, 255, 255, 0.86);
      font-size: 13px;
      text-align: center;
      padding: 5px 16px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      letter-spacing: 1px;
    }

    /* ---------- 品牌行 ---------- */
    .site-header {
      background: var(--color-bg);
      border-bottom: 1px solid var(--color-line);
    }

    .brand-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding-top: 22px;
      padding-bottom: 22px;
    }

    .brand-link {
      display: inline-flex;
      align-items: center;
      gap: 12px;
    }

    .brand-seal {
      width: 44px;
      height: 44px;
      flex: 0 0 44px;
      background: var(--color-accent);
      color: #fff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-family: var(--font-serif);
      font-size: 24px;
      font-weight: 900;
      border-radius: 10px;
      line-height: 1;
    }

    .brand-name {
      font-family: var(--font-serif);
      font-size: 22px;
      font-weight: 900;
      color: var(--color-ink-strong);
      letter-spacing: .5px;
    }

    .brand-note {
      display: inline-block;
      margin-left: 12px;
      padding: 5px 12px;
      font-size: 12px;
      color: var(--color-ink-muted);
      border: 1px solid var(--color-line);
      border-radius: 999px;
      text-align: center;
    }

    .brand-side {
      display: flex;
      align-items: center;
      gap: 16px;
      color: var(--color-ink-muted);
      font-size: 14px;
    }

    .brand-side i {
      color: var(--color-accent);
      margin-right: 6px;
    }

    /* ---------- 频道导航 ---------- */
    .nav-bar {
      border-top: 1px solid var(--color-line);
      background: rgba(255, 255, 255, 0.5);
      scroll-margin-top: 20px;
    }

    .nav-bar.nav-fixed {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 60;
      background: #FBF7EE;
      box-shadow: 0 6px 18px rgba(36, 33, 28, 0.06);
      width: 100%;
    }

    body.has-fixed-nav {
      padding-top: 48px;
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: flex-start;
      flex-wrap: wrap;
      gap: 2px;
      min-height: 52px;
    }

    .nav-item {
      position: relative;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 18px;
      font-size: 15px;
      font-weight: 600;
      color: var(--color-ink);
      border-radius: 8px 8px 0 0;
      white-space: nowrap;
    }

    .nav-item i {
      color: var(--color-ink-muted);
      transition: color .25s ease;
      font-size: 14px;
    }

    .nav-item:hover,
    .nav-item:focus {
      background: var(--color-accent-soft);
      color: var(--color-ink);
      text-decoration: none;
    }

    .nav-item:hover i {
      color: var(--color-accent);
    }

    .nav-item.nav-active {
      color: var(--color-accent);
    }

    .nav-item.nav-active::after {
      content: "";
      position: absolute;
      left: 14px;
      right: 14px;
      bottom: 0;
      height: 3px;
      background: var(--color-accent);
      border-radius: 3px 3px 0 0;
    }

    .nav-item.nav-active i {
      color: var(--color-accent);
    }

    /* ---------- 按钮 ---------- */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-weight: 600;
      font-size: 15px;
      line-height: 1;
      padding: 14px 28px;
      border-radius: var(--radius-btn);
      border: 1px solid transparent;
      cursor: pointer;
      transition: all .25s ease;
      text-align: center;
    }

    .btn-primary {
      background: var(--color-ink);
      color: #fff;
    }

    .btn-primary:hover {
      background: var(--color-accent);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 10px 18px rgba(36, 33, 28, 0.14);
    }

    .btn-outline {
      background: transparent;
      border-color: var(--color-line);
      color: var(--color-ink);
    }

    .btn-outline:hover {
      border-color: var(--color-accent);
      background: var(--color-accent-soft);
      color: var(--color-accent);
    }

    .btn-small {
      padding: 10px 18px;
      font-size: 14px;
    }

    /* ---------- 标签 ---------- */
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 3px 11px;
      border-radius: var(--radius-tag);
      background: var(--color-accent-soft);
      color: var(--color-accent);
      font-size: 13px;
      font-weight: 600;
      line-height: 1.6;
      margin-bottom: 12px;
    }

    .article-category-link {
      display: inline-block;
      margin-bottom: 14px;
      color: var(--color-accent);
      font-size: 14px;
      font-weight: 700;
      letter-spacing: 1px;
    }

    /* ---------- 文章主视觉 ---------- */
    .article-lead {
      position: relative;
      padding: 64px 0 58px;
      background-image: url('/assets/images/backpic/back-1.png');
      background-size: cover;
      background-position: center 18%;
      border-bottom: 1px solid var(--color-line);
    }

    .article-lead::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(245, 241, 232, .74) 0%, rgba(245, 241, 232, .93) 100%);
    }

    .article-lead .container {
      position: relative;
      z-index: 2;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: var(--color-ink-muted);
      line-height: 1.4;
    }

    .breadcrumb a {
      color: var(--color-ink-muted);
    }

    .breadcrumb a:hover {
      color: var(--color-accent);
    }

    .breadcrumb i {
      font-size: 10px;
      color: #a59d90;
    }

    .breadcrumb .cur {
      color: var(--color-ink);
      font-weight: 600;
      max-width: 280px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    /* ---------- 文章纸面阅读区 ---------- */
    .article-paper {
      padding: 52px 0 86px;
    }

    .reading-panel {
      background: var(--color-surface);
      border: 1px solid var(--color-line);
      border-radius: var(--radius-panel);
      box-shadow: var(--shadow-card);
      padding: 54px 68px 48px;
      max-width: 880px;
      margin: 0 auto;
      position: relative;
    }

    .reading-panel .article-title {
      font-family: var(--font-serif);
      font-size: clamp(30px, 4.2vw, 46px);
      line-height: 1.32;
      font-weight: 900;
      color: var(--color-ink-strong);
      margin-bottom: 20px;
      overflow-wrap: break-word;
    }

    .article-summary {
      font-size: 18px;
      line-height: 1.8;
      color: #4F493F;
      border-left: 3px solid var(--color-accent);
      padding-left: 22px;
      margin: 22px 0 24px;
    }

    .article-meta {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px 28px;
      margin-top: 20px;
      padding-top: 20px;
      border-top: 1px solid var(--color-line);
      font-size: 13.5px;
      color: var(--color-ink-muted);
    }

    .article-meta .meta-item {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      line-height: 1.6;
    }

    .article-meta i {
      color: var(--color-accent);
      width: 15px;
      text-align: center;
      font-size: 14px;
    }

    .article-media {
      margin: 28px 0 36px;
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid var(--color-line);
      background: var(--color-surface-muted);
      min-height: 180px;
    }

    .article-main-content {
      max-width: 760px;
      margin: 0 auto;
    }

    .article-body {
      margin-top: 12px;
    }

    /* 正文通用样式 */
    .article-body p {
      margin-bottom: 1.6em;
      letter-spacing: .02em;
    }

    .article-body strong {
      color: var(--color-ink-strong);
      font-weight: 700;
    }

    .article-body h2,
    .article-body h3,
    .article-body h4 {
      font-family: var(--font-serif);
      color: var(--color-ink-strong);
      margin: 1.8em 0 0.75em;
      line-height: 1.45;
    }

    .article-body h2 {
      font-size: 27px;
      font-weight: 900;
      border-left: 4px solid var(--color-accent);
      padding-left: 16px;
    }

    .article-body h3 {
      font-size: 22px;
      font-weight: 800;
    }

    .article-body ul,
    .article-body ol {
      margin: 0 0 1.8em;
      padding-left: 1.5em;
    }

    .article-body li {
      margin-bottom: .6em;
    }

    .article-body a {
      color: var(--color-accent);
      border-bottom: 1px solid rgba(166, 58, 43, .5);
    }

    .article-body a:hover {
      text-decoration: none;
      background: var(--color-accent-soft);
      border-bottom-color: transparent;
    }

    .article-body blockquote {
      position: relative;
      background: var(--color-surface-muted);
      border-left: 4px solid var(--color-accent);
      margin: 2em 0;
      padding: 24px 26px 20px;
      border-radius: 0 12px 12px 0;
      font-size: 17.5px;
      color: #3B352B;
    }

    .article-body blockquote p {
      margin-bottom: .6em;
    }

    .article-body code {
      background: var(--color-surface-muted);
      border: 1px solid var(--color-line);
      padding: 2px 8px;
      border-radius: 5px;
      font-size: .92em;
      font-family: ui-monospace, monospace;
    }

    .article-body pre {
      background: #171510;
      color: #f1eddd;
      border-radius: 12px;
      padding: 20px 22px;
      overflow-x: auto;
      font-size: 14px;
      margin: 1.8em 0;
      line-height: 1.7;
    }

    .article-body pre code {
      background: transparent;
      border: 0;
      padding: 0;
      color: inherit;
    }

    .article-body img {
      border-radius: 12px;
      border: 1px solid var(--color-line);
      margin: 1.3em auto;
    }

    .article-body figcaption {
      font-size: 13px;
      color: var(--color-ink-muted);
      text-align: center;
      margin: -1em 0 1.6em;
    }

    .article-body hr {
      border: 0;
      border-top: 1px solid var(--color-line);
      margin: 2.4em auto;
      max-width: 300px;
    }

    .article-footer-nav {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 14px;
      max-width: 760px;
      margin: 48px auto 0;
      padding-top: 30px;
      border-top: 1px solid var(--color-line);
    }

    .article-footer-nav .btn {
      font-size: 14px;
    }

    /* 内容未找到 */
    .notfound-panel {
      padding: 48px 36px;
      text-align: center;
    }

    .notfound-icon {
      width: 74px;
      height: 74px;
      border-radius: 50%;
      background: var(--color-accent-soft);
      color: var(--color-accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 28px;
      margin: 0 auto 26px;
    }

    .notfound-title {
      font-family: var(--font-serif);
      font-size: 30px;
      margin-bottom: 12px;
      color: var(--color-ink-strong);
    }

    .notfound-desc {
      font-size: 16px;
      color: var(--color-ink-muted);
      margin-bottom: 28px;
    }

    /* ---------- 编辑说明 / 中段色块 ---------- */
    .editorial-note {
      background: var(--color-ink);
      color: #E9E4D6;
      padding: 70px 0;
    }

    .editorial-note .eyebrow {
      color: #D8B5AB;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 2px;
      margin-bottom: 12px;
      text-transform: uppercase;
    }

    .editorial-note h2 {
      font-family: var(--font-serif);
      font-size: clamp(26px, 3.2vw, 38px);
      color: #FFFDF7;
      line-height: 1.35;
      margin-bottom: 14px;
      font-weight: 700;
    }

    .editorial-note p {
      color: #BAB3A7;
      max-width: 720px;
      margin-bottom: 0;
    }

    .editorial-note .note-btn-wrap {
      text-align: right;
    }

    .editorial-note .btn-outline {
      border-color: #B9AE9D;
      color: #EDE5D5;
      background: transparent;
    }

    .editorial-note .btn-outline:hover {
      border-color: #D8917C;
      background: var(--color-accent);
      color: #fff;
    }

    /* ---------- 延伸阅读 ---------- */
    .related-section {
      padding: 90px 0 78px;
      background: var(--color-bg);
    }

    .related-heading-row {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 30px;
      margin-bottom: 36px;
      border-bottom: 1px solid var(--color-line);
      padding-bottom: 22px;
    }

    .section-label {
      display: inline-block;
      font-size: 13px;
      color: var(--color-accent);
      letter-spacing: 2px;
      margin-bottom: 10px;
      font-weight: 700;
    }

    .related-heading-row h2 {
      font-family: var(--font-serif);
      font-size: clamp(24px, 2.6vw, 34px);
      font-weight: 800;
      color: var(--color-ink-strong);
      line-height: 1.4;
    }

    .related-heading-row .all-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-weight: 600;
      color: var(--color-ink);
      font-size: 15px;
      white-space: nowrap;
      border-bottom: 2px solid transparent;
    }

    .related-heading-row .all-link:hover {
      color: var(--color-accent);
      border-color: var(--color-accent);
    }

    .more-card {
      position: relative;
      display: block;
      background: var(--color-surface);
      border: 1px solid var(--color-line);
      border-radius: var(--radius-card);
      overflow: hidden;
      height: 100%;
      box-shadow: var(--shadow-card);
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }

    .more-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-lift);
      border-color: #BC9F7C;
    }

    .more-card .card-media {
      width: 100%;
      height: 190px;
      background: var(--color-surface-muted);
      overflow: hidden;
    }

    .more-card .card-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .more-card .card-body {
      padding: 20px 20px 22px;
    }

    .more-card .card-tag {
      display: inline-block;
      padding: 4px 10px;
      font-size: 12.5px;
      background: var(--color-accent-soft);
      color: var(--color-accent);
      font-weight: 700;
      border-radius: 5px;
      margin-bottom: 12px;
    }

    .more-card h3 {
      font-size: 18px;
      line-height: 1.55;
      font-weight: 700;
      color: var(--color-ink-strong);
      margin-bottom: 8px;
      font-family: var(--font-serif);
      transition: color .25s ease;
    }

    .more-card:hover h3 {
      color: var(--color-accent);
    }

    .more-card .card-meta {
      font-size: 13px;
      color: var(--color-ink-muted);
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }

    .more-card .card-excerpt {
      color: var(--color-ink-muted);
      font-size: 14px;
      line-height: 1.8;
      margin: 10px 0 18px;
      display: -webkit-box;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 2;
      overflow: hidden;
    }

    /* ---------- CTA ---------- */
    .article-cta {
      background: var(--color-bg);
      border-top: 1px solid var(--color-line);
      padding: 72px 0 86px;
    }

    .article-cta .cta-box {
      background: var(--color-surface);
      border: 1px solid var(--color-line);
      border-radius: var(--radius-panel);
      padding: 52px 48px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
      box-shadow: var(--shadow-card);
    }

    .article-cta h2 {
      font-family: var(--font-serif);
      font-size: clamp(24px, 3vw, 34px);
      color: var(--color-ink-strong);
      font-weight: 800;
      margin-bottom: 14px;
    }

    .article-cta p {
      color: var(--color-ink-muted);
      max-width: 680px;
    }

    /* ---------- 页脚 ---------- */
    .footer {
      background: #F0EBDF;
      border-top: 1px solid var(--color-line);
      padding: 60px 0 26px;
      font-size: 14.5px;
    }

    .footer-inner {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 42px;
      margin-bottom: 42px;
    }

    .footer-brand-col .footer-p {
      color: var(--color-ink-muted);
      font-size: 14px;
      line-height: 1.9;
      max-width: 420px;
    }

    .footer h5 {
      margin-bottom: 16px;
      font-size: 15px;
      font-weight: 700;
      color: var(--color-ink-strong);
    }

    .footer-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 10px;
    }

    .footer-list a {
      color: var(--color-ink-muted);
    }

    .footer-list a:hover {
      color: var(--color-accent);
    }

    .footer-bottom {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 18px;
      padding-top: 24px;
      border-top: 1px solid var(--color-line);
      font-size: 13.5px;
      color: #8A7F72;
    }

    .icp-tag {
      border: 1px dashed #C9BEB0;
      padding: 4px 12px;
      border-radius: 5px;
      color: var(--color-ink-muted);
      font-size: 13px;
    }

    /* ---------- 响应式 ---------- */
    @media screen and (max-width: 1024px) {
      .container {
        padding: 0 20px;
      }

      .editorial-note .note-btn-wrap {
        text-align: left;
        margin-top: 22px;
      }

      .footer-inner {
        grid-template-columns: 1fr 1fr;
        gap: 34px;
      }
    }

    @media screen and (max-width: 820px) {
      .brand-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 16px 0;
      }

      .brand-side {
        font-size: 13px;
        width: 100%;
        justify-content: space-between;
      }

      .brand-name {
        font-size: 19px;
      }

      .nav-inner {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        gap: 4px;
        align-items: center;
        padding: 2px 0;
      }

      .nav-inner::-webkit-scrollbar {
        display: none;
      }

      .nav-item {
        flex: 0 0 auto;
        padding: 10px 14px;
        font-size: 14px;
      }

      .nav-item i {
        display: none;
      }

      .article-lead {
        padding: 46px 0 40px;
      }

      .reading-panel {
        padding: 38px 24px 36px;
      }

      .article-summary {
        font-size: 16px;
        padding-left: 14px;
      }

      .reading-panel .article-title {
        font-size: clamp(25px, 5vw, 35px);
      }

      .article-footer-nav {
        flex-direction: column;
      }

      .section-padding {
        padding: 66px 0;
      }

      .related-section {
        padding: 66px 0 58px;
      }

      .related-heading-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }

      .article-cta .cta-box {
        flex-direction: column;
        align-items: flex-start;
        padding: 32px 24px;
      }
    }

    @media screen and (max-width: 520px) {
      body {
        font-size: 15.5px;
      }

      .container {
        padding: 0 16px;
      }

      .brand-link {
        flex-wrap: wrap;
        row-gap: 12px;
      }

      .brand-note {
        margin-left: 0;
        font-size: 11.5px;
      }

      .nav-item {
        font-size: 13.5px;
        padding: 9px 11px;
      }

      .article-lead {
        padding: 32px 0 28px;
        background-size: cover;
        background-position: 60% center;
      }

      .breadcrumb {
        gap: 6px;
        font-size: 13px;
      }

      .breadcrumb .cur {
        max-width: 130px;
      }

      .article-paper {
        padding: 32px 0 54px;
      }

      .reading-panel {
        padding: 28px 18px 24px;
        border-radius: 12px;
      }

      .article-summary {
        font-size: 15px;
      }

      .article-main-content {
        font-size: 15.5px;
      }

      .article-body h2 {
        font-size: 22px;
      }

      .article-body blockquote {
        margin: 1.5em 0;
        padding: 18px 16px 14px;
      }

      .article-meta {
        gap: 8px 18px;
      }

      .more-card .card-media {
        height: 160px;
      }

      .footer {
        padding-top: 44px;
      }

      .footer-inner {
        grid-template-columns: 1fr;
        gap: 26px;
      }

      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }

      .article-cta {
        padding: 54px 0 64px;
      }

      .btn {
        width: 100%;
      }

      .article-footer-nav .btn {
        width: 100%;
      }
    }

/* roulang page: category1 */
:root {
  --color-bg: #F5F1E8;
  --color-surface: #FFFFFF;
  --color-surface-muted: #ECE6DB;
  --color-ink: #24211C;
  --color-ink-strong: #11100D;
  --color-ink-muted: #787366;
  --color-line: #DCD5C8;
  --color-accent: #A63A2B;
  --color-accent-soft: #F2E2D9;
  --color-ink-panel: #1C1A16;
  --radius-card: 14px;
  --radius-btn: 28px;
  --radius-tag: 6px;
  --shadow-sm: 0 8px 24px rgba(36, 33, 28, 0.06);
  --shadow-md: 0 12px 32px rgba(36, 33, 28, 0.10);
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", system-ui, -apple-system, sans-serif;
  --max-width: 1240px;
  --section-gap: 96px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 120px;
  overflow-x: hidden;
}

body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color .25s ease;
}

button,
input,
textarea {
  font-family: inherit;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-serif);
  color: var(--color-ink-strong);
  line-height: 1.3;
  margin: 0 0 16px;
}

.container,
.grid-container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.grid-container {
  max-width: 1280px;
}

.section {
  padding: var(--section-gap) 0;
}

.section-alt {
  background: var(--color-surface);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.section-line {
  border-bottom: 1px solid var(--color-line);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-serif);
  color: var(--color-accent);
  font-size: 14px;
  letter-spacing: .08em;
  margin-bottom: 12px;
}

.section-kicker::before {
  content: '';
  width: 20px;
  height: 1px;
  background: var(--color-accent);
  display: inline-block;
}

.section-title {
  font-size: clamp(24px, 3.2vw, 40px);
  font-weight: 700;
  letter-spacing: -.01em;
}

.section-desc {
  color: var(--color-ink-muted);
  max-width: 640px;
}

/* Foundation default overrides */
.button,
button {
  font-family: var(--font-sans);
}

.cell a:not(.btn):not(.btn-text):not(.footer-list a):not(.nav-item) {
  color: inherit;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  background: var(--color-ink);
  color: #fff;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .25s ease;
  line-height: 1.4;
}

.btn i {
  font-size: 13px;
}

.btn:hover,
.btn:focus {
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-accent:hover {
  background: #8b2f22;
  border-color: #8b2f22;
}

.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,.68);
  color: #fff;
}

.btn-outline:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.btn-outline-dark {
  background: transparent;
  border: 1px solid var(--color-line);
  color: var(--color-ink);
}

.btn-outline-dark:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: transparent;
}

.btn-light {
  background: #fff;
  color: var(--color-ink);
  border-color: #fff;
}

.btn-light:hover {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
  color: var(--color-ink);
}

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--color-ink);
  padding: 10px 0;
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, color .25s ease;
}

.btn-text i {
  color: var(--color-accent);
  font-size: 13px;
}

.btn-text:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* Tag */
.tag {
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-weight: 600;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border-radius: var(--radius-tag);
  padding: 3px 10px;
  line-height: 1.6;
}

.tag-outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,.5);
  color: #fff;
}

/* Header */
.site-header {
  position: relative;
  z-index: 50;
}

.brand-strip {
  background: #E7E0D3;
  border-bottom: 1px solid var(--color-line);
}

.brand-strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 34px;
  color: var(--color-ink-muted);
  font-size: 13px;
  letter-spacing: .02em;
}

.brand-strip-inner i {
  margin-right: 6px;
  color: var(--color-accent);
}

.brand-row {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-line);
}

.brand-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 20px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-logo:hover .brand-name {
  color: var(--color-accent);
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 9px;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 21px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(166,58,43,.22);
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-ink-strong);
  letter-spacing: .03em;
  transition: color .25s ease;
}

.brand-meta {
  color: var(--color-ink-muted);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-meta .fa-regular {
  color: var(--color-accent);
}

.nav-bar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-line);
  position: sticky;
  top: 0;
  z-index: 80;
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  white-space: nowrap;
  min-height: 56px;
}

.nav-inner::-webkit-scrollbar {
  display: none;
}

.nav-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-ink-muted);
  font-weight: 600;
  font-size: 15px;
  padding: 8px 2px;
  margin-right: 26px;
  border-bottom: 3px solid transparent;
  transition: color .25s ease, border-color .25s ease;
}

.nav-item i {
  font-size: 13px;
  color: var(--color-accent);
  opacity: .7;
}

.nav-item:hover {
  color: var(--color-accent);
}

.nav-active,
.nav-item.nav-active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* Page Hero */
.page-hero {
  position: relative;
  padding: 64px 0 70px;
  background: linear-gradient(100deg, rgba(245,241,232,.98) 0%, rgba(245,241,232,.90) 38%, rgba(36,33,28,.28) 100%), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center 30%;
  border-bottom: 1px solid var(--color-line);
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(245,241,232,.12) 0%, rgba(255,255,255,0) 80%);
  pointer-events: none;
}

.page-hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 480px);
  gap: 56px;
  align-items: center;
}

.breadcrumb {
  font-size: 14px;
  color: var(--color-ink-muted);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.breadcrumb i {
  font-size: 11px;
  color: var(--color-line);
}

.breadcrumb strong {
  font-weight: 600;
  color: var(--color-accent);
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-accent);
  font-family: var(--font-serif);
  font-size: 15px;
  margin-bottom: 18px;
}

.page-hero h1 {
  font-size: clamp(34px, 5vw, 58px);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.16;
  letter-spacing: -.01em;
}

.hero-text {
  font-size: 18px;
  line-height: 1.9;
  color: #4A453D;
  max-width: 640px;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-figure {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transform: rotate(0.4deg);
}

.hero-figure img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.hero-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 18px;
  font-size: 13px;
  color: var(--color-ink-muted);
  border-top: 1px solid var(--color-line);
}

/* Editor Picks */
.editor-picks {
  background: var(--color-bg);
}

.feature-large {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(0, 1fr);
  overflow: hidden;
  margin-bottom: 28px;
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
  position: relative;
}

.feature-large:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: #BFB5A4;
}

.feature-large .feature-image {
  background: var(--color-surface-muted);
  position: relative;
}

.feature-large .feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 260px;
}

.feature-body {
  padding: 34px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.feature-body h3 {
  font-size: 24px;
  font-weight: 700;
  margin: 16px 0 14px;
  line-height: 1.4;
}

.feature-body h3 a {
  position: relative;
  z-index: 1;
}

.feature-body h3 a:hover {
  color: var(--color-accent);
}

.feature-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--color-ink-muted);
  margin-bottom: 14px;
}

.feature-excerpt {
  color: var(--color-ink-muted);
  margin-bottom: 18px;
  font-size: 16px;
}

.feature-more {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 14px;
}

.feature-more i {
  transition: transform .25s ease;
}

.feature-large:hover .feature-more i {
  transform: translateX(4px);
}

.stretched-link {
  position: absolute;
  inset: 0;
  z-index: 2;
}

.feature-grid-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform .28s ease, border-color .28s ease, box-shadow .28s ease;
  position: relative;
}

.feature-card:hover {
  transform: translateY(-2px);
  border-color: #BFB5A4;
  box-shadow: var(--shadow-md);
}

.feature-card .card-img {
  background: var(--color-surface-muted);
}

.feature-card .card-img img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.card-content {
  padding: 24px;
}

.card-content h3 {
  font-size: 20px;
  margin: 14px 0 10px;
  line-height: 1.45;
  font-weight: 600;
}

.card-content h3 a:hover {
  color: var(--color-accent);
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--color-ink-muted);
  margin: 12px 0;
}

.card-excerpt {
  color: var(--color-ink-muted);
  font-size: 15px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Quote block */
.quote-block {
  padding: 62px 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-line);
}

.quote-inner {
  max-width: 860px;
  text-align: center;
}

.quote-mark {
  color: var(--color-accent);
  font-size: 40px;
  margin-bottom: 12px;
}

.quote-text {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.55;
  color: var(--color-ink-strong);
  font-weight: 600;
}

.quote-cite {
  color: var(--color-ink-muted);
  font-style: normal;
  font-size: 14px;
  margin-top: 26px;
  display: inline-block;
}

/* Fact strip */
.fact-strip {
  border-bottom: 1px solid var(--color-line);
  background: var(--color-bg);
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-left: 1px solid var(--color-line);
}

.fact-item {
  padding: 20px 24px;
  border-right: 1px solid var(--color-line);
  min-height: 112px;
}

.fact-icon {
  width: 32px;
  height: 32px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  margin-bottom: 14px;
}

.fact-title {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-ink-strong);
  font-size: 17px;
  margin-bottom: 5px;
}

.fact-text {
  color: var(--color-ink-muted);
  font-size: 14px;
  line-height: 1.7;
}

/* About */
.about-wrap {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 64px;
  align-items: start;
}

.about-intro {
  position: sticky;
  top: 140px;
}

.about-intro .section-title {
  margin-bottom: 22px;
}

.about-intro p {
  color: var(--color-ink-muted);
}

.about-list {
  border-top: 1px solid var(--color-line);
}

.about-row {
  padding: 28px 24px;
  border-bottom: 1px solid var(--color-line);
  transition: background .25s ease;
}

.about-row:hover {
  background: rgba(242,226,217,.38);
}

.about-row h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.about-row p {
  color: var(--color-ink-muted);
  font-size: 15px;
  margin: 0;
}

/* Value / solution */
.value-section {
  background: var(--color-surface);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.value-lede {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 600;
  line-height: 1.6;
  margin-bottom: 12px;
}

.value-lede-sub {
  color: var(--color-ink-muted);
  max-width: 620px;
}

.value-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 28px;
  margin-top: 48px;
}

.value-core {
  background: linear-gradient(150deg, #211D18, #2C261F), url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-card);
  padding: 44px 36px;
  color: #E9E2D5;
  position: relative;
  overflow: hidden;
  min-height: 340px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.value-core::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(28,26,22,.08), rgba(28,26,22,.7));
}

.value-core h3,
.value-core p {
  position: relative;
}

.value-core h3 {
  color: #fff;
  font-size: 25px;
  margin-bottom: 12px;
}

.value-core p {
  color: rgba(255,255,255,.78);
  font-size: 16px;
  line-height: 1.85;
}

.value-side {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.value-side-card {
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 28px 30px;
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 20px;
  transition: border-color .25s ease, transform .25s ease;
}

.value-side-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.value-num {
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--color-accent);
  font-weight: 700;
  line-height: 1;
}

.value-side-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.value-side-card p {
  color: var(--color-ink-muted);
  margin: 0;
  font-size: 15px;
}

/* Steps */
.steps-wrap {
  max-width: 860px;
}

.step-item {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 32px;
  padding-bottom: 40px;
  position: relative;
}

.step-item:not(:last-child)::before {
  content: '';
  position: absolute;
  top: 64px;
  bottom: 0;
  left: 35px;
  width: 1px;
  background: var(--color-line);
}

.step-number {
  font-family: var(--font-serif);
  font-size: 52px;
  line-height: 1;
  color: var(--color-line);
  font-weight: 700;
  transition: color .25s ease;
}

.step-item:hover .step-number {
  color: var(--color-accent);
}

.step-body h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-body p {
  color: var(--color-ink-muted);
  max-width: 620px;
}

/* FAQ */
.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: 64px;
  align-items: start;
}

.faq-intro {
  position: sticky;
  top: 120px;
}

.faq-intro p {
  color: var(--color-ink-muted);
  margin-bottom: 26px;
}

.faq-list {
  border-top: 1px solid var(--color-line);
}

.faq-item {
  border-bottom: 1px solid var(--color-line);
  background: transparent;
  transition: background .25s ease;
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  padding: 22px 6px;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-ink);
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:hover {
  color: var(--color-accent);
}

.faq-item .faq-icon {
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  color: var(--color-accent);
}

.faq-item .faq-icon::before,
.faq-item .faq-icon::after {
  content: '';
  width: 11px;
  height: 1px;
  background: currentColor;
  position: absolute;
}

.faq-item .faq-icon::after {
  transform: rotate(90deg);
}

.faq-item[open] .faq-icon::after {
  opacity: 0;
}

.faq-item[open] {
  background: var(--color-surface);
  padding: 0 24px;
  border-left: 2px solid var(--color-accent);
  border-radius: 4px;
}

.faq-answer {
  padding: 0 0 24px 6px;
  color: var(--color-ink-muted);
  line-height: 1.9;
  font-size: 15px;
}

.faq-contact-note {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 24px;
  background: var(--color-surface);
}

.faq-contact-note h4 {
  font-size: 18px;
  margin-bottom: 10px;
}

.faq-contact-note p {
  color: var(--color-ink-muted);
  font-size: 14px;
  margin-bottom: 0;
}

/* CTA */
.cta-ink {
  background: var(--color-ink-panel);
  padding: 72px 0;
  color: #F2ECE3;
}

.cta-ink-inner {
  display: flex;
  align-items: center;
  gap: 56px;
  justify-content: space-between;
  flex-wrap: wrap;
}

.cta-ink h2 {
  color: #fff;
  font-size: clamp(24px, 3vw, 38px);
  margin-bottom: 12px;
}

.cta-ink p {
  color: rgba(255,255,255,.68);
  max-width: 620px;
  margin: 0;
}

.cta-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  background: #EDE8DE;
  border-top: 1px solid var(--color-line);
  color: #57534B;
  padding: 56px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr .75fr .75fr 1fr;
  gap: 44px;
  padding: 20px 0 44px;
}

.footer-brand-col .footer-p {
  font-size: 15px;
  line-height: 1.9;
  color: #726C61;
  max-width: 360px;
}

.footer h5 {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--color-ink-strong);
  margin-bottom: 18px;
}

.footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-list li {
  margin-bottom: 12px;
  font-size: 15px;
}

.footer-list a {
  color: #57534B;
  border-bottom: 1px solid transparent;
  transition: color .25s ease, border-color .25s ease;
}

.footer-list a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.footer-list i {
  width: 22px;
  color: var(--color-accent);
  margin-right: 4px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 22px 0;
  border-top: 1px solid var(--color-line);
  color: #787366;
  font-size: 14px;
}

.footer-bottom a {
  color: #787366;
}

.icp-tag {
  background: var(--color-surface-muted);
  border: 1px solid var(--color-line);
  border-radius: 4px;
  padding: 2px 10px;
  font-size: 13px;
  color: #8B8375;
}

/* Responsive */
@media (max-width: 1024px) {
  :root {
    --section-gap: 76px;
  }

  .page-hero-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-figure {
    max-width: 680px;
  }

  .fact-grid {
    grid-template-columns: repeat(2, 1fr);
    border-top: 1px solid var(--color-line);
    border-left: 0;
  }

  .fact-item {
    border-bottom: 1px solid var(--color-line);
    border-left: 0;
  }

  .about-wrap,
  .value-layout,
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-intro {
    position: static;
  }

  .faq-intro {
    position: static;
  }

  .value-core {
    min-height: 240px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-gap: 62px;
  }

  .container,
  .grid-container {
    padding-left: 18px;
    padding-right: 18px;
  }

  .brand-flex {
    min-height: 60px;
  }

  .brand-meta {
    font-size: 13px;
  }

  .nav-item {
    margin-right: 24px;
    font-size: 14px;
  }

  .page-hero {
    padding: 46px 0 56px;
  }

  .page-hero h1 {
    font-size: clamp(32px, 9vw, 48px);
  }

  .hero-text {
    font-size: 16px;
  }

  .feature-large {
    grid-template-columns: 1fr;
  }

  .feature-body {
    padding: 24px;
  }

  .feature-grid-row {
    grid-template-columns: 1fr;
  }

  .feature-card .card-img img {
    height: 240px;
  }

  .fact-grid {
    grid-template-columns: 1fr 1fr;
  }

  .fact-item {
    padding: 18px 16px;
  }

  .value-side-card {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 24px;
  }

  .step-item {
    grid-template-columns: 48px 1fr;
    gap: 20px;
  }

  .step-number {
    font-size: 36px;
  }

  .cta-ink-inner {
    gap: 28px;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 34px;
  }
}

@media (max-width: 520px) {
  .brand-mark {
    width: 34px;
    height: 34px;
    font-size: 17px;
    border-radius: 7px;
  }

  .brand-name {
    font-size: 18px;
  }

  .brand-strip-inner .strip-copy {
    display: none;
  }

  .brand-strip-inner {
    justify-content: center;
    font-size: 12.5px;
  }

  .brand-meta {
    display: none;
  }

  .brand-flex {
    justify-content: center;
  }

  .nav-inner {
    min-height: 52px;
    gap: 4px;
  }

  .nav-item {
    font-size: 14px;
    margin-right: 20px;
    padding: 10px 2px;
  }

  .page-hero h1 {
    font-size: 32px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-figure img {
    aspect-ratio: 4 / 3;
  }

  .section-head {
    margin-bottom: 28px;
  }

  .section-title {
    font-size: 24px;
  }

  .fact-grid {
    grid-template-columns: 1fr;
  }

  .fact-item {
    min-height: 0;
  }

  .about-row {
    padding: 20px 12px;
  }

  .step-item {
    grid-template-columns: 40px 1fr;
    gap: 16px;
    padding-bottom: 32px;
  }

  .step-number {
    font-size: 30px;
  }

  .faq-item summary {
    font-size: 16px;
  }

  .faq-item[open] {
    padding: 0 14px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-brand-col .footer-p {
    max-width: 100%;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    justify-content: center;
  }
}

/* roulang page: category2 */
:root {
        --color-bg: #F5F1E8;
        --color-surface: #FFFFFF;
        --color-surface-muted: #ECE6DB;
        --color-surface-deep: #E2DBCF;
        --color-ink: #24211C;
        --color-ink-strong: #11100D;
        --color-ink-muted: #787366;
        --color-line: #DCD5C8;
        --color-accent: #A63A2B;
        --color-accent-soft: #F2E2D9;
        --color-dark: #211E19;
        --shadow-sm: 0 2px 10px rgba(36, 33, 28, 0.04);
        --shadow-md: 0 8px 24px rgba(36, 33, 28, 0.06);
        --shadow-lg: 0 12px 32px rgba(36, 33, 28, 0.1);
        --radius-card: 14px;
        --radius-tag: 6px;
        --radius-btn: 10px;
        --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
        --font-sans: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
        --container: 1240px;
    }

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

    html {
        scroll-behavior: smooth;
        scroll-padding-top: 92px;
    }

    body {
        margin: 0;
        background: var(--color-bg);
        color: var(--color-ink);
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.9;
        text-rendering: optimizeLegibility;
        -webkit-font-smoothing: antialiased;
    }

    img {
        max-width: 100%;
        display: block;
    }

    a {
        color: inherit;
        text-decoration: none;
        transition: color 0.22s ease, background-color 0.22s ease, border-color 0.22s ease;
    }

    a:focus-visible,
    button:focus-visible,
    summary:focus-visible {
        outline: 3px solid rgba(166, 58, 43, 0.35);
        outline-offset: 3px;
        border-radius: 6px;
    }

    button {
        font-family: inherit;
        cursor: pointer;
    }

    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        font-family: var(--font-serif);
        color: var(--color-ink-strong);
        margin: 0 0 12px;
    }

    p {
        margin: 0 0 16px;
    }

    .grid-container {
        max-width: var(--container);
    }

    .section {
        padding: 96px 0;
    }

    .section-tight {
        padding: 64px 0;
    }

    section[id] {
        scroll-margin-top: 106px;
    }

    .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        letter-spacing: 0.12em;
        color: var(--color-accent);
        text-transform: uppercase;
        margin-bottom: 16px;
        font-weight: 700;
    }

    .section-head {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        gap: 24px;
        margin-bottom: 42px;
        flex-wrap: wrap;
    }

    .section-title {
        font-size: clamp(26px, 3.2vw, 40px);
        font-weight: 700;
        line-height: 1.3;
        margin: 0 0 14px;
    }

    .section-lead {
        font-size: 17px;
        max-width: 760px;
        color: var(--color-ink-muted);
    }

    .container {
        max-width: var(--container);
        margin: 0 auto;
        padding: 0 24px;
    }

    .btn-primary,
    .button.btn-primary,
    .btn-light,
    .btn-outline,
    .btn-text {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        border-radius: var(--radius-btn);
        font-weight: 600;
        letter-spacing: 0.02em;
        transition: all 0.24s ease;
        text-decoration: none;
    }

    .btn-primary,
    .button.btn-primary {
        background: #1E1B16;
        color: #FFF7ED;
        border: 1px solid #1E1B16;
        padding: 14px 28px;
        font-size: 15px;
        box-shadow: var(--shadow-sm);
    }

    .btn-primary:hover,
    .button.btn-primary:hover {
        background: var(--color-accent);
        border-color: var(--color-accent);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }

    .btn-primary:active {
        transform: translateY(0);
        box-shadow: none;
    }

    .btn-light {
        background: #F6F0E5;
        color: #2C2720;
        border: 1px solid rgba(252, 246, 239, 0.5);
        padding: 13px 26px;
        font-size: 15px;
    }

    .btn-light:hover {
        background: #fff;
        border-color: rgba(255, 255, 255, 0.25);
        transform: translateY(-2px);
        box-shadow: 0 10px 26px rgba(17, 16, 13, 0.22);
    }

    .btn-outline {
        background: transparent;
        border: 1px solid var(--color-line);
        color: var(--color-ink);
        padding: 12px 24px;
        font-size: 14px;
    }

    .btn-outline:hover {
        border-color: var(--color-accent);
        color: var(--color-accent);
        background: var(--color-accent-soft);
    }

    .btn-text {
        color: var(--color-ink);
        font-size: 15px;
        font-weight: 600;
        padding: 6px 2px;
        border-bottom: 1px solid transparent;
        border-radius: 0;
    }

    .btn-text i {
        font-size: 13px;
        transition: transform 0.22s ease;
    }

    .btn-text:hover {
        color: var(--color-accent);
        border-bottom-color: var(--color-accent);
    }

    .btn-text:hover i {
        transform: translateX(4px);
    }

    .card-tag {
        display: inline-flex;
        align-items: center;
        background: var(--color-accent-soft);
        color: var(--color-accent);
        font-size: 12px;
        padding: 4px 11px;
        border-radius: var(--radius-tag);
        font-weight: 600;
        letter-spacing: 0.03em;
    }

    .card-meta {
        display: flex;
        align-items: center;
        gap: 6px 16px;
        font-size: 13px;
        color: var(--color-ink-muted);
        flex-wrap: wrap;
    }

    .card-meta i {
        margin-right: 4px;
        color: var(--color-ink-muted);
    }

    .media-placeholder {
        background-color: var(--color-surface-muted);
        min-height: 140px;
    }

    .site-topline {
        background: #FAF7F1;
        border-bottom: 1px solid var(--color-line);
    }

    .topbar-inner {
        min-height: 72px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
    }

    .brand-logo-link {
        display: inline-flex;
        align-items: center;
        gap: 12px;
    }

    .brand-mark {
        width: 40px;
        height: 40px;
        background: var(--color-accent);
        color: #FFF;
        display: flex;
        align-items: center;
        justify-content: center;
        font-family: var(--font-serif);
        font-weight: 700;
        font-size: 20px;
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(166, 58, 43, 0.24);
    }

    .brand-name {
        font-family: var(--font-serif);
        font-size: 21px;
        font-weight: 700;
        color: var(--color-ink-strong);
        letter-spacing: 0.02em;
    }

    .brand-sub-line {
        display: block;
        font-size: 12px;
        color: var(--color-ink-muted);
        letter-spacing: 0.02em;
        font-weight: 400;
        margin-top: 1px;
    }

    .top-actions {
        display: flex;
        align-items: center;
        gap: 18px;
        color: var(--color-ink-muted);
        font-size: 14px;
    }

    .top-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: var(--color-ink);
    }

    .top-link:hover {
        color: var(--color-accent);
    }

    .nav-bar {
        position: sticky;
        top: 0;
        z-index: 60;
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-line);
        box-shadow: 0 2px 14px rgba(51, 44, 34, 0.05);
        display: flex;
        align-items: center;
    }

    .nav-inner {
        max-width: var(--container);
        margin: 0 auto;
        padding: 0 24px;
        display: flex;
        align-items: center;
        gap: 6px;
        overflow-x: auto;
        width: 100%;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .nav-inner::-webkit-scrollbar {
        display: none;
    }

    .nav-item {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 16px 14px;
        color: var(--color-ink-muted);
        font-size: 15px;
        font-weight: 600;
        white-space: nowrap;
        border-bottom: 3px solid transparent;
        flex-shrink: 0;
    }

    .nav-item i {
        color: var(--color-accent);
        font-size: 15px;
        opacity: 0.85;
    }

    .nav-item:hover {
        color: var(--color-accent);
        background: var(--color-accent-soft);
        border-bottom-color: var(--color-accent);
    }

    .nav-item.nav-active {
        color: var(--color-accent);
        border-bottom-color: var(--color-accent);
        background: transparent;
    }

    .nav-toggle {
        display: none;
        border: none;
        background: transparent;
        color: var(--color-ink);
        font-size: 20px;
        padding: 12px 16px;
        border-left: 1px solid var(--color-line);
    }

    .category-hero {
        position: relative;
        padding: 82px 0 64px;
        background-color: var(--color-dark);
        background-image: linear-gradient(95deg, rgba(33, 30, 25, 0.94) 0%, rgba(33, 30, 25, 0.72) 55%, rgba(33, 30, 25, 0.42) 100%), url('/assets/images/backpic/back-2.webp');
        background-size: cover;
        background-position: center;
        color: #EDE4D8;
        overflow: hidden;
    }

    .category-hero::after {
        content: "";
        position: absolute;
        right: 0;
        bottom: 0;
        width: 40%;
        height: 1px;
        background: linear-gradient(90deg, transparent, rgba(240, 205, 195, 0.55));
    }

    .category-hero .grid-container {
        position: relative;
        z-index: 2;
    }

    .breadcrumb {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 8px;
        color: #D7CCBE;
        font-size: 13px;
        margin-bottom: 26px;
    }

    .breadcrumb a {
        color: #F0E9E0;
    }

    .breadcrumb a:hover {
        color: #F2C4B5;
    }

    .breadcrumb .sep {
        color: #90887C;
    }

    .breadcrumb .current {
        color: #F2C4B5;
    }

    .hero-kicker {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 7px 13px;
        border: 1px solid rgba(242, 196, 181, 0.35);
        border-radius: 999px;
        background: rgba(166, 58, 43, 0.2);
        color: #F4D8CC;
        font-size: 12px;
        letter-spacing: 0.08em;
        margin-bottom: 22px;
    }

    .page-title {
        font-size: clamp(34px, 5vw, 58px);
        font-weight: 700;
        line-height: 1.2;
        color: #FFFFFF;
        margin-bottom: 20px;
        letter-spacing: 0.02em;
    }

    .hero-sub {
        font-size: 17px;
        line-height: 1.95;
        color: #E5DBCF;
        max-width: 640px;
        margin-bottom: 30px;
    }

    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 18px;
        margin-bottom: 18px;
    }

    .hero-secondary-link {
        color: #FFF2EA;
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .hero-secondary-link:hover {
        color: #F8D9CF;
        text-decoration: underline;
        text-underline-offset: 5px;
    }

    .hero-figure {
        max-width: 440px;
        margin-left: auto;
        background: #F2E9DC;
        border-radius: 18px;
        padding: 10px;
        box-shadow: 0 18px 54px rgba(0, 0, 0, 0.28);
        border: 1px solid rgba(255, 255, 255, 0.12);
    }

    .hero-figure img {
        border-radius: 12px;
        width: 100%;
        height: auto;
        aspect-ratio: 4 / 3;
        object-fit: cover;
        background: var(--color-surface-muted);
    }

    .hero-figure-caption {
        padding: 12px 8px 6px;
        color: #655C50;
        font-size: 13px;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .channel-intro {
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-line);
    }

    .intro-grid {
        display: grid;
        grid-template-columns: 0.86fr 1.14fr;
        gap: 54px;
        align-items: start;
    }

    .intro-panel-left {
        position: sticky;
        top: 120px;
    }

    .intro-lead {
        font-family: var(--font-serif);
        font-size: 22px;
        line-height: 1.75;
        color: var(--color-ink-strong);
        position: relative;
        padding-top: 18px;
    }

    .intro-lead::before {
        content: "";
        width: 38px;
        height: 3px;
        background: var(--color-accent);
        position: absolute;
        top: 0;
        left: 0;
    }

    .intro-list {
        margin: 0;
        padding: 0;
    }

    .intro-item {
        list-style: none;
        border-bottom: 1px solid var(--color-line);
        padding: 26px 0;
        display: grid;
        grid-template-columns: 52px 1fr;
        gap: 16px;
    }

    .intro-item:last-child {
        border-bottom: none;
    }

    .intro-num {
        font-family: var(--font-serif);
        font-size: 34px;
        line-height: 1;
        color: var(--color-accent);
        opacity: 0.72;
        padding-top: 4px;
    }

    .intro-item h3 {
        font-size: 20px;
        margin-bottom: 8px;
    }

    .intro-item p {
        margin: 0;
        color: var(--color-ink-muted);
        line-height: 1.85;
        font-size: 15px;
    }

    .quote-strip {
        background: var(--color-surface-muted);
        border-top: 1px solid #CEC5B6;
        border-bottom: 1px solid #CEC5B6;
        padding: 72px 0;
    }

    .quote-strip .quote-mark {
        color: var(--color-accent);
        font-size: 60px;
        line-height: 1;
        font-family: Georgia, serif;
        margin-bottom: 16px;
    }

    .quote-strip blockquote {
        margin: 0;
        max-width: 900px;
    }

    .quote-strip blockquote p {
        font-family: var(--font-serif);
        font-size: clamp(21px, 2.4vw, 32px);
        line-height: 1.7;
        color: var(--color-ink-strong);
        margin: 0;
    }

    .quote-strip .quote-source {
        margin-top: 24px;
        color: var(--color-ink-muted);
        font-size: 14px;
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .quote-strip .quote-source::before {
        content: "";
        width: 30px;
        height: 1px;
        background: var(--color-accent);
    }

    .featured-section {
        background: var(--color-bg);
    }

    .feature-card {
        background: var(--color-surface);
        border: 1px solid var(--color-line);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-sm);
        overflow: hidden;
        display: flex;
        flex-direction: column;
        height: 100%;
        transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
    }

    .feature-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-lg);
        border-color: #C5B6A4;
    }

    .feature-media {
        position: relative;
        background: var(--color-surface-muted);
        min-height: 160px;
        border-radius: 0;
        overflow: hidden;
    }

    .feature-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        aspect-ratio: 16 / 9;
        transition: transform 0.35s ease;
    }

    .feature-card:hover .feature-media img {
        transform: scale(1.03);
    }

    .feature-tag {
        position: absolute;
        left: 14px;
        top: 14px;
    }

    .feature-body {
        padding: 22px 24px 24px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }

    .feature-body h3 {
        font-size: 21px;
        line-height: 1.55;
        margin-bottom: 10px;
    }

    .feature-body h3 a:hover {
        color: var(--color-accent);
    }

    .feature-body p {
        color: var(--color-ink-muted);
        font-size: 14px;
        line-height: 1.85;
        flex: 1;
        margin-bottom: 18px;
    }

    .feature-link {
        color: var(--color-accent);
        font-weight: 600;
        font-size: 14px;
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .feature-link i {
        transition: transform 0.2s ease;
    }

    .feature-link:hover i {
        transform: translateX(5px);
    }

    .feature-row {
        display: grid;
        grid-template-columns: repeat(12, 1fr);
        gap: 24px;
        margin-bottom: 24px;
    }

    .feature-row .col-main {
        grid-column: span 7;
    }

    .feature-row .col-side {
        grid-column: span 5;
        display: flex;
        flex-direction: column;
        gap: 24px;
    }

    .feature-row .col-half {
        grid-column: span 6;
    }

    .feature-card.main-card .feature-media img {
        aspect-ratio: 16 / 9;
    }

    .feature-card.side-card .feature-body h3 {
        font-size: 18px;
    }

    .feature-card.side-card .feature-media img {
        aspect-ratio: 2 / 1;
    }

    .method-section {
        background: var(--color-surface);
        border-top: 1px solid var(--color-line);
        border-bottom: 1px solid var(--color-line);
    }

    .method-section .grid-x {
        row-gap: 24px;
    }

    .step-card {
        position: relative;
        border: 1px solid var(--color-line);
        border-radius: var(--radius-card);
        background: var(--color-surface);
        padding: 34px 28px 28px;
        height: 100%;
        overflow: hidden;
        transition: background-color 0.24s ease, border-color 0.24s ease;
    }

    .step-card:hover {
        background: #FDFAF4;
        border-color: #BFAF9D;
    }

    .step-number {
        font-family: var(--font-serif);
        font-size: 64px;
        line-height: 1;
        color: var(--color-accent);
        opacity: 0.72;
        display: block;
        margin-bottom: 18px;
        position: relative;
        z-index: 1;
    }

    .step-card h3 {
        font-size: 21px;
        margin-bottom: 12px;
        position: relative;
        z-index: 1;
    }

    .step-card p {
        color: var(--color-ink-muted);
        font-size: 14px;
        line-height: 1.85;
        margin: 0;
        position: relative;
        z-index: 1;
    }

    .faq-section {
        background: var(--color-bg);
    }

    .faq-layout {
        display: grid;
        grid-template-columns: 0.8fr 1.4fr;
        gap: 50px;
        align-items: start;
    }

    .faq-intro {
        position: sticky;
        top: 130px;
    }

    .faq-list {
        border-top: 1px solid var(--color-line);
    }

    .faq-item {
        border-bottom: 1px solid var(--color-line);
        background: var(--color-surface);
        border-radius: 0;
        transition: background-color 0.22s ease;
    }

    .faq-item summary {
        list-style: none;
        cursor: pointer;
        padding: 22px 4px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 18px;
        font-family: var(--font-serif);
        font-size: 18px;
        font-weight: 600;
        line-height: 1.6;
        color: var(--color-ink-strong);
        transition: color 0.22s ease;
    }

    .faq-item summary::-webkit-details-marker {
        display: none;
    }

    .faq-item summary:hover {
        color: var(--color-accent);
    }

    .faq-icon {
        flex: 0 0 auto;
        width: 28px;
        height: 28px;
        border: 1px solid var(--color-line);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        color: var(--color-accent);
        font-size: 16px;
        transition: all 0.25s ease;
    }

    .faq-item[open] summary {
        color: var(--color-accent);
    }

    .faq-item[open] .faq-icon {
        background: var(--color-accent);
        color: #fff;
        border-color: var(--color-accent);
        transform: rotate(45deg);
    }

    .faq-item[open] {
        background: #FCF8F2;
        box-shadow: inset 0 0 0 1px rgba(166, 58, 43, 0.08);
    }

    .faq-a {
        padding: 2px 34px 26px 4px;
        color: var(--color-ink-muted);
        line-height: 1.9;
        font-size: 15px;
    }

    .cta-section {
        background: var(--color-bg);
        padding-bottom: 110px;
    }

    .cta-panel {
        background: var(--color-dark);
        border-radius: 20px;
        padding: 52px 48px;
        color: #EAE1D5;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 36px;
        flex-wrap: wrap;
        position: relative;
        overflow: hidden;
    }

    .cta-panel::after {
        content: "";
        position: absolute;
        right: 0;
        top: 0;
        width: 220px;
        height: 220px;
        background: radial-gradient(circle at 30% 30%, rgba(166, 58, 43, 0.28), transparent 70%);
    }

    .cta-panel .cta-copy {
        max-width: 670px;
        position: relative;
        z-index: 2;
    }

    .cta-panel h2 {
        color: #FFF8F0;
        font-size: clamp(24px, 3vw, 36px);
        margin-bottom: 14px;
    }

    .cta-panel p {
        color: #CFC5BA;
        margin-bottom: 0;
        font-size: 16px;
    }

    .cta-panel .cta-buttons {
        position: relative;
        z-index: 2;
    }

    .footer {
        background: #ECE7DE;
        border-top: 1px solid var(--color-line);
        color: var(--color-ink);
        padding: 72px 0 30px;
    }

    .footer-inner {
        display: grid;
        grid-template-columns: 2.3fr 0.8fr 0.8fr 1.1fr;
        gap: 44px;
        margin-bottom: 44px;
    }

    .footer-brand-col {
        max-width: 460px;
    }

    .footer-p {
        color: #66604F;
        font-size: 14px;
        line-height: 1.9;
        margin-top: 10px;
    }

    .footer h5 {
        font-family: var(--font-sans);
        font-size: 14px;
        font-weight: 700;
        letter-spacing: 0.02em;
        color: var(--color-ink-strong);
        margin-bottom: 16px;
    }

    .footer-list {
        list-style: none;
        margin: 0;
        padding: 0;
        display: grid;
        gap: 10px;
    }

    .footer-list li {
        font-size: 14px;
        color: #615B4F;
        line-height: 1.6;
    }

    .footer-list a {
        color: #615B4F;
    }

    .footer-list a:hover {
        color: var(--color-accent);
        text-decoration: underline;
        text-underline-offset: 4px;
    }

    .footer-bottom {
        border-top: 1px solid #D4CCBE;
        padding-top: 24px;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 12px;
        color: #807765;
        font-size: 13px;
    }

    .footer-bottom a {
        color: #807765;
    }

    .icp-p {
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .icp-tag {
        background: #E7DED2;
        color: #897D6B;
        display: inline-block;
        padding: 2px 12px;
        border-radius: 6px;
        font-size: 12px;
    }

    @media (max-width: 1024px) {
        .section {
            padding: 72px 0;
        }

        .intro-grid {
            grid-template-columns: 1fr;
            gap: 32px;
        }

        .intro-panel-left {
            position: static;
        }

        .faq-layout {
            grid-template-columns: 1fr;
            gap: 24px;
        }

        .faq-intro {
            position: static;
        }

        .feature-row .col-main,
        .feature-row .col-side,
        .feature-row .col-half {
            grid-column: span 12;
        }

        .footer-inner {
            grid-template-columns: 1fr 1fr;
            gap: 36px;
        }
    }

    @media (max-width: 768px) {
        .section {
            padding: 58px 0;
        }

        .topbar-inner {
            min-height: 62px;
        }

        .brand-sub-line,
        .top-actions .top-actions-link {
            display: none;
        }

        .top-actions {
            font-size: 13px;
        }

        .nav-bar {
            top: 0;
        }

        .nav-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex: 0 0 auto;
        }

        .nav-inner {
            flex-wrap: nowrap;
            overflow-x: auto;
            justify-content: flex-start;
            padding: 0 10px;
        }

        .nav-item {
            padding: 14px 12px;
            font-size: 14px;
        }

        .category-hero {
            padding: 56px 0 56px;
        }

        .page-title {
            font-size: clamp(32px, 9vw, 46px);
        }

        .hero-figure {
            margin-left: 0;
            margin-top: 34px;
            max-width: 100%;
        }

        .intro-item {
            grid-template-columns: 42px 1fr;
        }

        .quote-strip {
            padding: 54px 0;
        }

        .cta-panel {
            padding: 36px 26px;
        }

        .cta-panel h2 {
            font-size: 25px;
        }

        .footer-inner {
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .footer-bottom {
            flex-direction: column;
        }
    }

    @media (max-width: 560px) {
        .container,
        .nav-inner {
            padding-left: 18px;
            padding-right: 18px;
        }

        .brand-mark {
            width: 34px;
            height: 34px;
            font-size: 17px;
        }

        .brand-name {
            font-size: 18px;
        }

        .topbar-inner {
            flex-wrap: wrap;
        }

        .top-actions {
            margin-left: auto;
        }

        .section-head {
            margin-bottom: 28px;
        }

        .feature-row {
            grid-template-columns: 1fr;
            gap: 18px;
        }

        .feature-row .col-main,
        .feature-row .col-side,
        .feature-row .col-half {
            grid-column: auto;
        }

        .feature-body h3 {
            font-size: 18px;
        }

        .step-card {
            padding: 26px 22px;
        }

        .footer-inner {
            grid-template-columns: 1fr;
        }

        .footer-brand-col {
            max-width: 100%;
        }

        .hero-actions {
            flex-direction: column;
            align-items: flex-start;
        }

        .hero-actions .btn-primary,
        .hero-actions .btn-light {
            width: 100%;
        }

        .category-hero {
            background-image: linear-gradient(180deg, rgba(33, 30, 25, 0.92), rgba(33, 30, 25, 0.78)), url('/assets/images/backpic/back-2.webp');
        }

        .intro-num {
            font-size: 28px;
        }
    }