/* roulang page: index */
:root{
  --brand-900:#14302C;
  --brand-700:#1F4A42;
  --brand-500:#2E6B5E;
  --accent-600:#C4502A;
  --accent-500:#D9663D;
  --paper-50:#F7F2E9;
  --card:#FFFDF8;
  --band:#F1EADF;
  --ink-900:#1B1B19;
  --muted:#6F6A5E;
  --gold:#B98B4E;
  --line:rgba(27,27,25,.08);
  --line-strong:rgba(27,27,25,.14);
  --radius-card:16px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,30,28,.04),0 8px 24px rgba(20,30,28,.06);
  --shadow-2:0 2px 4px rgba(20,30,28,.06),0 16px 36px rgba(20,30,28,.10);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",system-ui,serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper-50);
  color:var(--ink-900);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body h1,body h2,body h3,body h4{
  font-family:var(--font-serif);
  font-weight:600;
  color:var(--brand-900);
  margin:0 0 .6em;
  line-height:1.35;
}
body h1{font-size:clamp(1.9rem,5vw,3rem)}
body h2{font-size:clamp(1.4rem,2.6vw,1.75rem);margin-top:0}
body h3{font-size:1.125rem;line-height:1.5}
body p{margin:0 0 1.25em}
body ul,body ol{margin:0 0 1.25em;padding-left:1.25em}
body li{margin-bottom:.4em}
body a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
body a:hover{color:var(--accent-600)}
body img{max-width:100%;display:block}
body button,body input,body textarea{font:inherit;color:inherit}
body :focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:80px 0}
.section--tight{padding:56px 0}
.section--band{background:var(--band)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--gold);
  border:1px solid rgba(185,139,78,.45);
  border-radius:var(--radius-pill);
  padding:3px 12px;margin-bottom:16px;background:rgba(255,253,248,.7);
}
.section-head p{color:var(--muted);font-size:15px;margin:0}
.muted{color:var(--muted)}
.small{font-size:13px;line-height:1.6}

/* ---------- header / nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(247,242,233,.62);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(27,27,25,.07);
  box-shadow:0 1px 2px rgba(20,30,28,.03);
  transition:background-color .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.site-header.is-scrolled{
  background:rgba(247,242,233,.96);
  border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(20,30,28,.05),0 10px 26px rgba(20,30,28,.07);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--brand-900);color:var(--paper-50);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:19px;font-weight:600;
  border:1px solid rgba(185,139,78,.5);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text .brand-main{font-family:var(--font-serif);font-size:19px;font-weight:600;color:var(--brand-900)}
.brand-text .brand-sub{font-size:11px;letter-spacing:.14em;color:var(--muted)}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center}
.nav-links a{
  position:relative;padding:8px 12px;font-size:15px;color:#3A382F;
  border-radius:8px;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  background:var(--accent-500);transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease;
}
.nav-links a:hover{color:var(--accent-600);background:rgba(196,80,42,.05)}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--brand-900);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,253,248,.7);display:flex;align-items:center;justify-content:center;
  color:var(--brand-700);cursor:pointer;transition:all .2s ease;
}
.icon-btn:hover{border-color:rgba(196,80,42,.4);color:var(--accent-600)}
.nav-toggle{display:none}
.mobile-panel{
  position:fixed;inset:0;z-index:70;background:rgba(247,242,233,.98);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  padding:24px;display:none;flex-direction:column;
}
.mobile-panel.is-open{display:flex}
.mobile-panel .panel-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.mobile-panel a.panel-link{
  font-family:var(--font-serif);font-size:1.4rem;color:var(--brand-900);
  padding:14px 0;border-bottom:1px solid var(--line);display:block;
}
.mobile-panel a.panel-link.is-active{color:var(--accent-600)}
.mobile-panel .panel-cta{margin-top:auto}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;
  border:1px solid transparent;transition:all .22s ease;text-align:center;
}
.btn-primary{background:var(--accent-600);color:#FFF8F2;box-shadow:0 6px 18px rgba(196,80,42,.22)}
.btn-primary:hover{background:#AD4423;color:#FFF8F2;transform:translateY(-2px);box-shadow:0 10px 24px rgba(196,80,42,.26)}
.btn-dark{background:var(--brand-900);color:var(--paper-50)}
.btn-dark:hover{background:#0E231F;color:var(--paper-50);transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--brand-900)}
.btn-ghost:hover{background:var(--brand-900);border-color:var(--brand-900);color:var(--paper-50);transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-500);
  border-bottom:1px solid rgba(46,107,94,.3);padding-bottom:2px;
}
.link-arrow:hover{color:var(--accent-600);border-bottom-color:var(--accent-500)}

/* ---------- hero ---------- */
.hero{
  position:relative;padding:150px 0 88px;
  background-image:
    linear-gradient(102deg,rgba(247,242,233,.97) 0%,rgba(247,242,233,.88) 40%,rgba(247,242,233,.34) 78%,rgba(247,242,233,.2) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center right;background-repeat:no-repeat;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero-copy{max-width:560px}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;font-size:12.5px;color:var(--brand-700);
  background:rgba(255,253,248,.78);border:1px solid rgba(185,139,78,.4);
  border-radius:var(--radius-pill);padding:5px 14px;margin-bottom:22px;letter-spacing:.04em;
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-500)}
.hero h1{margin-bottom:20px;letter-spacing:0}
.hero-sub{font-size:17px;color:#4A473D;max-width:520px;margin-bottom:32px}
.hero-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.hero-note{margin-top:26px;display:flex;gap:22px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.hero-note span{display:inline-flex;align-items:center;gap:7px}
.hero-note i{width:14px;height:14px;border-radius:4px;border:1px solid rgba(185,139,78,.7);display:inline-block}
.hero-card{
  background:rgba(255,253,248,.76);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid rgba(27,27,25,.09);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-2);
  padding:28px 28px 24px;
}
.hero-card .card-label{
  font-size:12px;letter-spacing:.14em;color:var(--gold);
  border-bottom:1px solid rgba(185,139,78,.35);padding-bottom:10px;margin-bottom:16px;display:block;
}
.step-list{list-style:none;margin:0;padding:0}
.step-list li{display:flex;gap:14px;padding:12px 0;border-bottom:1px dashed var(--line)}
.step-list li:last-child{border-bottom:0}
.step-list .num{
  flex:0 0 28px;height:28px;border-radius:9px;background:rgba(46,107,94,.1);
  color:var(--brand-700);font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.step-list .txt strong{display:block;font-size:14.5px;color:var(--brand-900);font-weight:600}
.step-list .txt span{font-size:13px;color:var(--muted)}

/* ---------- statement ---------- */
.statement{max-width:720px}
.statement .vlabel{
  writing-mode:vertical-rl;text-orientation:upright;
  font-family:var(--font-serif);font-size:13px;letter-spacing:.34em;color:var(--gold);
  border-left:1px solid rgba(185,139,78,.45);padding-left:10px;
  float:left;margin:6px 22px 12px 0;height:96px;
}
.statement p{color:#413E35}

/* ---------- story ---------- */
.story-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:center}
.story-copy h2{margin-bottom:18px}
.story-figure{position:relative}
.story-figure img{border-radius:var(--radius-card);width:100%;height:380px;object-fit:cover;box-shadow:var(--shadow-1)}
.story-figure .stamp{
  position:absolute;right:-12px;bottom:-18px;
  background:var(--card);border:1px solid rgba(185,139,78,.55);border-radius:12px;
  padding:14px 18px;box-shadow:var(--shadow-1);
}
.story-figure .stamp b{display:block;font-family:var(--font-serif);font-size:22px;color:var(--accent-600);line-height:1.2}
.story-figure .stamp span{font-size:12px;color:var(--muted)}
.story-points{list-style:none;padding:0;margin:26px 0 0}
.story-points li{padding-left:22px;position:relative;font-size:15px;color:#413E35;margin-bottom:12px}
.story-points li::before{
  content:"";position:absolute;left:0;top:.68em;width:10px;height:1px;background:var(--gold);
}

/* ---------- featured ---------- */
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.feature-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  display:flex;flex-direction:column;
}
.feature-card:hover{transform:translateY(-2px);border-color:rgba(196,80,42,.3);box-shadow:var(--shadow-2)}
.feature-card.is-wide{grid-column:1 / -1;flex-direction:row}
.feature-card.is-wide .feature-media{flex:0 0 46%;height:auto;min-height:260px}
.feature-card.is-wide .feature-body{padding:32px}
.feature-media{position:relative;height:220px;overflow:hidden;background:var(--band)}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.feature-card:hover .feature-media img{transform:scale(1.03)}
.feature-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.feature-body h3{margin-bottom:0}
.feature-body p{font-size:14.5px;color:var(--muted);margin-bottom:0}
.badge{
  display:inline-flex;align-items:center;font-size:12px;letter-spacing:.04em;
  color:var(--brand-700);background:rgba(46,107,94,.07);
  border:1px solid rgba(46,107,94,.28);border-radius:var(--radius-pill);padding:2px 10px;
}
.badge--gold{color:#8E6A36;background:rgba(185,139,78,.08);border-color:rgba(185,139,78,.45)}

/* ---------- columns band ---------- */
.col-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line-strong)}
.col-row{
  display:grid;grid-template-columns:88px 1fr auto;gap:28px;align-items:center;
  padding:28px 8px;border-bottom:1px solid var(--line-strong);transition:background-color .2s ease,padding-left .2s ease;
}
.col-row:hover{background:rgba(255,253,248,.85);padding-left:16px}
.col-row .idx{
  font-family:var(--font-serif);font-size:26px;color:rgba(185,139,78,.85);line-height:1;
}
.col-row h3{margin-bottom:6px;font-size:1.15rem}
.col-row p{margin:0;font-size:14.5px;color:var(--muted)}
.col-row .go{font-size:14px;font-weight:600;color:var(--brand-500);white-space:nowrap}
.col-row:hover .go{color:var(--accent-600)}

/* ---------- tags / filter ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.filter-row a{
  font-size:13.5px;padding:7px 16px;border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);color:#4A473D;background:rgba(255,253,248,.7);
}
.filter-row a:hover{border-color:rgba(196,80,42,.45);color:var(--accent-600)}
.filter-row a.is-active{background:var(--brand-900);border-color:var(--brand-900);color:var(--paper-50)}

/* ---------- post grid (CMS) ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.post-card:hover{transform:translateY(-2px);border-color:rgba(196,80,42,.3);box-shadow:var(--shadow-2)}
.post-media{height:180px;overflow:hidden;background:var(--band)}
.post-media img{width:100%;height:100%;object-fit:cover}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:1.05rem;margin-bottom:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body .excerpt{
  font-size:13.5px;color:var(--muted);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:10px;font-size:12px;color:var(--muted);
}
.empty-state{
  border:1px dashed rgba(185,139,78,.55);border-radius:var(--radius-card);
  background:rgba(255,253,248,.7);padding:56px 24px;text-align:center;color:var(--muted);
}
.empty-state .icon{
  width:44px;height:44px;margin:0 auto 16px;border-radius:12px;
  border:1px solid rgba(185,139,78,.6);display:flex;align-items:center;justify-content:center;
  color:var(--gold);font-family:var(--font-serif);font-size:18px;
}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:44px}
.stat{border-left:1px solid rgba(185,139,78,.5);padding-left:18px}
.stat b{display:block;font-family:var(--font-serif);font-size:clamp(1.6rem,3vw,2.1rem);color:var(--brand-900);line-height:1.1}
.stat span{font-size:13px;color:var(--muted)}
.logo-row{display:flex;flex-wrap:wrap;gap:14px;padding-top:28px;border-top:1px solid var(--line)}
.logo-chip{
  font-size:13px;color:#5A574C;border:1px solid var(--line-strong);border-radius:var(--radius-btn);
  padding:10px 18px;background:rgba(255,253,248,.6);letter-spacing:.04em;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px}
details.faq{border-bottom:1px solid var(--line-strong);padding:6px 0}
details.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-family:var(--font-serif);font-size:1.06rem;color:var(--brand-900);
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{
  content:"+";flex:0 0 26px;height:26px;border-radius:8px;
  border:1px solid rgba(185,139,78,.5);color:var(--gold);
  display:flex;align-items:center;justify-content:center;font-size:16px;line-height:1;
  transition:transform .25s ease,background-color .25s ease,color .25s ease;
}
details.faq[open] summary::after{content:"−";transform:rotate(180deg);background:rgba(196,80,42,.08);color:var(--accent-600);border-color:rgba(196,80,42,.45)}
details.faq .faq-body{padding:0 0 20px;color:#413E35;font-size:15.5px;max-width:760px}
details.faq .faq-body p:last-child{margin-bottom:0}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-900);color:var(--paper-50);border-radius:0;
}
.cta-band h2{color:#F6F1E6}
.cta-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.cta-band p{color:rgba(246,241,230,.78);margin-bottom:0}
.cta-form{display:flex;gap:12px;align-items:stretch}
.cta-form input{
  flex:1 1 auto;height:48px;border-radius:var(--radius-btn);
  border:1px solid rgba(247,242,233,.32);background:rgba(247,242,233,.08);
  color:var(--paper-50);padding:0 16px;transition:border-color .2s ease,background-color .2s ease;
}
.cta-form input::placeholder{color:rgba(247,242,233,.55)}
.cta-form input:focus{border-color:var(--accent-500);background:rgba(247,242,233,.14);outline:none}
.cta-form .btn{flex:0 0 150px}
.form-hint{font-size:13px;color:rgba(246,241,230,.6);margin-top:12px}
.form-error{font-size:13px;color:var(--accent-500);margin-top:8px;display:none}
.form-error.is-show{display:block}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(247,242,233,.82);padding:64px 0 28px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(247,242,233,.14)}
.site-footer h4{color:#F6F1E6;font-size:15px;margin:0 0 16px;font-family:var(--font-sans);font-weight:600;letter-spacing:.04em}
.site-footer a{color:rgba(247,242,233,.8);display:inline-block;padding:5px 0}
.site-footer a:hover{color:var(--accent-500)}
.footer-brand .brand-text .brand-main{color:#F6F1E6}
.footer-brand .brand-text .brand-sub{color:rgba(247,242,233,.55)}
.footer-brand p{margin:16px 0 0;font-size:13.5px;color:rgba(247,242,233,.66);max-width:320px}
.social-row{display:flex;gap:10px;margin-top:20px}
.social-row span{
  width:34px;height:34px;border-radius:50%;border:1px solid rgba(247,242,233,.35);
  display:flex;align-items:center;justify-content:center;font-size:12px;color:rgba(247,242,233,.75);
  transition:border-color .2s ease,color .2s ease;
}
.social-row span:hover{border-color:var(--accent-500);color:var(--accent-500)}
.footer-bottom{padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(247,242,233,.6)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .container{padding:0 24px}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .hero{padding:130px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-copy{max-width:none}
  .story-grid{grid-template-columns:1fr;gap:36px}
  .story-figure img{height:320px}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr);gap:28px}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .feature-card.is-wide{flex-direction:column}
  .feature-card.is-wide .feature-media{flex:none;height:220px;min-height:0}
}
@media (max-width:768px){
  .section{padding:60px 0}
  .section--tight{padding:44px 0}
  .feature-grid{grid-template-columns:1fr}
  .col-row{grid-template-columns:56px 1fr;gap:16px;align-items:start}
  .col-row .go{grid-column:2;padding-top:6px}
  .post-grid{grid-template-columns:1fr}
  .statement .vlabel{display:none}
}
@media (max-width:520px){
  .container{padding:0 20px}
  body{font-size:16px}
  .hero{padding:118px 0 56px}
  .brand-text .brand-sub{display:none}
  .stats{grid-template-columns:1fr}
  .cta-form{flex-direction:column}
  .cta-form .btn{flex:1 1 auto;width:100%}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions{gap:14px}
  .hero-actions .btn{width:100%}
}

/* roulang page: article */
:root{
  --brand-900:#14302C;
  --brand-700:#1F4A42;
  --brand-500:#2E6B5E;
  --accent-600:#C4502A;
  --accent-500:#D9663D;
  --paper-50:#F7F2E9;
  --card:#FFFDF8;
  --band:#F1EADF;
  --ink-900:#1B1B19;
  --muted:#6F6A5E;
  --line:rgba(27,27,25,.08);
  --bronze:#B98B4E;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-img:16px;
  --shadow-1:0 1px 2px rgba(20,30,28,.04);
  --shadow-2:0 8px 24px rgba(20,30,28,.06);
  --shadow-hover:0 1px 2px rgba(20,30,28,.06),0 16px 34px rgba(20,30,28,.10);
  --serif:"Noto Serif SC","Songti SC",system-ui,serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink-900);
  background:var(--paper-50);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;color:var(--brand-900);margin:0;line-height:1.35}
p{margin:0 0 1.25em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(247,242,233,.62);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid rgba(27,27,25,.06);
  box-shadow:0 4px 18px rgba(20,30,28,.04);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
  background:rgba(247,242,233,.96);
  border-bottom-color:rgba(27,27,25,.10);
  box-shadow:0 6px 22px rgba(20,30,28,.08);
}
.nav-inner{display:flex;align-items:center;gap:18px;height:72px}
.brand{display:inline-flex;align-items:center;gap:12px}
.brand-mark{
  width:38px;height:38px;border-radius:10px;
  background:var(--brand-700);color:var(--paper-50);
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:19px;line-height:1;
  border:1px solid rgba(185,139,78,.5);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-family:var(--serif);font-size:19px;font-weight:700;color:var(--brand-900)}
.brand-sub{font-size:11.5px;letter-spacing:.04em;color:var(--muted)}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-links a{
  position:relative;font-size:15px;color:var(--ink-900);
  padding:6px 0;transition:color .2s ease;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--accent-600);transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-links a:hover{color:var(--accent-600)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--brand-900);font-weight:600}
.nav-links a.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--line);background:rgba(255,253,248,.7);
  color:var(--brand-700);transition:all .22s ease;
}
.icon-btn:hover{border-color:rgba(196,80,42,.35);color:var(--accent-600);background:var(--card)}
.nav-toggle{display:none}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;border:1px solid transparent;
  transition:transform .22s ease,background .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
  text-align:center;
}
.btn-primary{background:var(--accent-600);color:#FFFDF8;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:#AC4322;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--brand-700);border-color:rgba(27,27,25,.14)}
.btn-ghost:hover{background:var(--brand-700);color:var(--paper-50);border-color:var(--brand-700)}

@media(max-width:1023px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:fixed;top:72px;left:0;right:0;margin-left:0;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(247,242,233,.98);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    padding:8px 20px 26px;border-bottom:1px solid var(--line);
    box-shadow:0 22px 44px rgba(20,30,28,.16);
    max-height:calc(100vh - 72px);overflow-y:auto;
  }
  .nav-links.is-open{display:flex}
  .nav-links a{font-size:19px;padding:16px 0;border-bottom:1px solid var(--line)}
  .nav-links a::after{display:none}
}
@media(max-width:680px){
  .nav-inner{height:64px;gap:10px}
  .brand-mark{width:34px;height:34px;font-size:17px}
  .brand-main{font-size:17px}
  .brand-sub{display:none}
  .nav-links{top:64px}
  .icon-btn{width:36px;height:36px}
  .icon-btn.search-btn{display:none}
  .nav-actions .btn-primary{height:36px;padding:0 12px;font-size:13px}
}

/* ---------- article hero ---------- */
.article-hero{position:relative;overflow:hidden;background:var(--brand-900);padding:126px 0 54px}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;opacity:.32;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,48,44,.95) 0%,rgba(20,48,44,.80) 52%,rgba(20,48,44,.56) 100%);
}
.article-hero-inner{position:relative;z-index:2;max-width:880px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:rgba(247,242,233,.7);margin-bottom:18px}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:rgba(247,242,233,.38)}
.breadcrumb a{transition:color .2s ease}
.breadcrumb a:hover{color:var(--accent-500);text-decoration:underline}
.article-title{color:#FFFDF8;font-size:clamp(1.6rem,4vw,2.25rem);line-height:1.42;margin:0 0 20px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:rgba(247,242,233,.76)}
.dot{width:4px;height:4px;border-radius:50%;background:rgba(185,139,78,.9);display:inline-block}
@media(max-width:640px){
  .article-hero{padding:104px 0 40px}
}

/* ---------- sections ---------- */
.section{padding:72px 0}
@media(max-width:640px){.section{padding:50px 0}}
.reader-section{padding-top:64px}

.reader-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:36px}
@media(min-width:1024px){
  .reader-grid{grid-template-columns:minmax(0,760px) 280px;gap:56px}
}

/* ---------- article body ---------- */
.article-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:38px 34px;box-shadow:var(--shadow-1);
}
@media(max-width:640px){.article-body{padding:24px 20px}}
.article-body>*:first-child{margin-top:0}
.article-body p{font-size:16.5px;line-height:1.9;color:#2B2B28;margin-bottom:1.25em}
.article-body>p:first-of-type{font-size:18px;line-height:1.85;color:var(--brand-900)}
.article-body h2{
  font-size:1.5rem;margin:2.1em 0 .9em;padding-left:14px;
  border-left:3px solid var(--accent-600);line-height:1.4;
}
.article-body h3{font-size:1.2rem;margin:1.8em 0 .7em}
.article-body h4{font-size:1.05rem;margin:1.6em 0 .6em}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.25em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:.55em;line-height:1.85}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--band);
  border-left:3px solid var(--accent-600);border-radius:0 12px 12px 0;color:var(--brand-700);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body figure{margin:1.8em 0}
.article-body img{margin:0 auto}
.article-body figcaption{font-size:12.5px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;line-height:1.7}
.article-body th{background:var(--band);font-weight:600;color:var(--brand-900)}
.article-body a{color:var(--accent-600);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#9E3D1F}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0}

/* ---------- empty ---------- */
.article-empty{
  background:var(--card);border:1px dashed rgba(185,139,78,.55);
  border-radius:var(--radius-card);padding:60px 28px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-mark{
  width:56px;height:56px;margin:0 auto 18px;border-radius:14px;
  border:1px solid rgba(185,139,78,.55);background:var(--paper-50);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:22px;color:var(--brand-700);
}
.empty-title{font-family:var(--serif);font-size:1.25rem;color:var(--brand-900);margin-bottom:10px}
.empty-desc{color:var(--muted);font-size:15px;max-width:470px;margin:0 auto 22px;line-height:1.8}

/* ---------- article foot ---------- */
.article-foot{
  margin-top:26px;padding:20px 0 4px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  border:1px solid rgba(185,139,78,.5);color:var(--brand-700);background:rgba(255,253,248,.85);
}
.article-foot .btn{height:42px;padding:0 18px;font-size:14px}

/* ---------- sidebar ---------- */
.reader-side{display:flex;flex-direction:column;gap:20px}
@media(min-width:1024px){.reader-side{position:sticky;top:96px;align-self:start}}
.side-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:22px 20px;box-shadow:var(--shadow-1);
}
.side-title{
  font-family:var(--serif);font-size:1rem;color:var(--brand-900);
  display:flex;align-items:center;gap:8px;
  margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line);
}
.side-title::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--accent-600)}
.side-list li{position:relative;padding-left:18px;font-size:14px;line-height:1.72;color:var(--muted);margin-bottom:12px}
.side-list li:last-child{margin-bottom:0}
.side-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;
  border:1px solid var(--bronze);border-radius:50%;
}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14.5px;padding:11px 0;border-bottom:1px solid var(--line);transition:color .2s ease,padding-left .2s ease;
}
.side-links a:last-child{border-bottom:none;padding-bottom:0}
.side-links a:hover{color:var(--accent-600);padding-left:3px}
.side-links a span{font-size:12px;color:var(--muted)}

/* ---------- 相关推荐 ---------- */
.band{background:var(--band)}
.section-head{max-width:720px;margin-bottom:34px}
.section-eyebrow{
  font-size:12.5px;letter-spacing:.16em;color:var(--accent-600);
  font-weight:500;margin-bottom:10px;text-transform:uppercase;
}
.section-head h2{font-size:clamp(1.4rem,3vw,1.75rem);margin-bottom:12px}
.section-head p{color:var(--muted);font-size:15px;margin:0;line-height:1.8}
.reco-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:768px){.reco-grid{grid-template-columns:repeat(3,1fr)}}
.reco-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.reco-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(196,80,42,.3)}
.reco-media{aspect-ratio:16/9;overflow:hidden;background:var(--paper-50);border-bottom:1px solid var(--line)}
.reco-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .45s ease}
.reco-card:hover .reco-media img{transform:scale(1.04)}
.reco-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.reco-body h3{font-size:1.125rem;line-height:1.45}
.reco-body p{font-size:14.5px;color:var(--muted);line-height:1.75;margin:0}
.badge{
  align-self:flex-start;font-size:12px;padding:4px 10px;border-radius:999px;
  border:1px solid rgba(46,107,94,.35);color:var(--brand-500);background:rgba(46,107,94,.06);
}
.reco-more{margin-top:auto;font-size:14px;font-weight:500;color:var(--accent-600);display:inline-flex;align-items:center;gap:6px}
.reco-card:hover .reco-more{text-decoration:underline}

/* ---------- back bar ---------- */
.back-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  background:var(--brand-900);color:var(--paper-50);border-radius:24px;padding:34px 38px;
}
.back-bar h2{color:#FFFDF8;font-size:1.3rem;margin-bottom:8px}
.back-bar p{margin:0;font-size:14.5px;color:rgba(247,242,233,.75);max-width:560px;line-height:1.8}
@media(max-width:640px){.back-bar{padding:26px 20px;border-radius:16px}}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(247,242,233,.82);padding:64px 0 26px}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;
  padding-bottom:36px;border-bottom:1px solid rgba(247,242,233,.14);
}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(247,242,233,.7);margin:16px 0 16px;max-width:340px}
.footer-grid h4{color:#FFFDF8;font-family:var(--sans);font-size:15px;font-weight:600;margin-bottom:16px}
.footer-grid a{display:inline-block;font-size:14.5px;color:rgba(247,242,233,.8);padding:5px 0;transition:color .2s ease}
.footer-grid a:hover{color:var(--accent-500)}
.site-footer .brand-main{color:#FFFDF8}
.site-footer .brand-sub{color:rgba(247,242,233,.6)}
.site-footer .brand-mark{background:rgba(247,242,233,.08);color:#FFFDF8;border-color:rgba(185,139,78,.5)}
.social-row{display:flex;gap:10px}
.social-row span{
  width:32px;height:32px;border-radius:50%;border:1px solid rgba(247,242,233,.3);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;color:rgba(247,242,233,.75);
}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:22px;font-size:13px;color:rgba(247,242,233,.6);
}
.footer-bottom a:hover{color:var(--accent-500)}

/* ---------- toast ---------- */
.toast{
  position:fixed;left:50%;bottom:32px;z-index:120;
  transform:translate(-50%,20px);opacity:0;pointer-events:none;
  background:var(--brand-900);color:var(--paper-50);
  padding:12px 22px;border-radius:12px;font-size:14px;
  box-shadow:0 12px 30px rgba(20,30,28,.28);
  transition:opacity .3s ease,transform .3s ease;
}
.toast.is-show{opacity:1;transform:translate(-50%,0)}

/* roulang page: category1 */
:root{
  --brand-900:#14302C;
  --brand-700:#1F4A42;
  --brand-500:#2E6B5E;
  --accent-600:#C4502A;
  --accent-500:#D9663D;
  --paper-50:#F7F2E9;
  --paper-card:#FFFDF8;
  --paper-band:#F1EADF;
  --ink-900:#1B1B19;
  --muted:#6F6A5E;
  --line:rgba(27,27,25,.08);
  --gold:#B98B4E;
  --radius-card:16px;
  --radius-btn:12px;
  --shadow-card:0 1px 2px rgba(20,30,28,.04), 0 8px 24px rgba(20,30,28,.06);
  --shadow-card-hover:0 2px 4px rgba(20,30,28,.06), 0 14px 34px rgba(20,30,28,.10);
  --font-title:"Noto Serif SC","Source Han Serif SC","Songti SC",system-ui,serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper-50);
  color:var(--ink-900);
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent-600)}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--accent-600);outline-offset:2px;border-radius:6px}

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

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(247,242,233,.62);
  backdrop-filter:blur(14px) saturate(1.1);
  -webkit-backdrop-filter:blur(14px) saturate(1.1);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 2px rgba(20,30,28,.04);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:rgba(247,242,233,.95);
  box-shadow:0 1px 2px rgba(20,30,28,.05),0 8px 24px rgba(20,30,28,.07);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--brand-900)}
.brand:hover{color:var(--brand-900)}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:none;
  background:var(--brand-700);color:var(--paper-50);
  display:grid;place-items:center;
  font-family:var(--font-title);font-size:19px;font-weight:600;
  border:1px solid rgba(185,139,78,.75);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-family:var(--font-title);font-size:17px;font-weight:600;letter-spacing:.02em}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.1em}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;display:inline-block;
  padding:10px 13px;font-size:14.5px;color:var(--brand-700);
  border-radius:8px;transition:color .22s ease,background .22s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:var(--accent-600);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .26s ease;
}
.nav-links a:hover{color:var(--accent-600);background:rgba(27,27,25,.035)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--brand-900);font-weight:600}
.nav-links a.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
  background:transparent;border:1px solid var(--line);color:var(--brand-700);
  cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:rgba(46,107,94,.08);color:var(--accent-600);border-color:rgba(196,80,42,.3)}
.nav-toggle{display:none}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;cursor:pointer;border:1px solid transparent;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-primary{background:var(--accent-600);color:#FFFDF8;box-shadow:0 1px 2px rgba(20,30,28,.06),0 8px 20px rgba(196,80,42,.18)}
.btn-primary:hover{background:#B0431F;color:#FFFDF8;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--brand-700);border-color:rgba(31,74,66,.28)}
.btn-ghost:hover{background:var(--brand-700);color:var(--paper-50);border-color:var(--brand-700)}
.text-link{font-size:14.5px;color:var(--accent-600);border-bottom:1px solid rgba(196,80,42,.35);padding-bottom:2px}
.text-link:hover{color:var(--accent-500);border-color:var(--accent-500);text-decoration:none}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  padding:150px 0 68px;
  background-image:linear-gradient(100deg,rgba(247,242,233,.97) 0%,rgba(247,242,233,.9) 44%,rgba(247,242,233,.42) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:48px;align-items:end}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;color:var(--brand-500);
  padding:5px 12px;border:1px solid rgba(185,139,78,.55);border-radius:999px;
  background:rgba(255,253,248,.7);
}
.page-hero h1{
  font-family:var(--font-title);
  font-size:clamp(1.7rem,4.2vw,2.6rem);
  line-height:1.38;font-weight:600;color:var(--brand-900);
  margin:18px 0 16px;max-width:620px;
}
.hero-sub{font-size:16px;color:var(--muted);max-width:560px;margin:0 0 26px}
.hero-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.glass-card{
  background:rgba(255,253,248,.76);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border:1px solid rgba(185,139,78,.35);
  border-radius:var(--radius-card);
  padding:22px 22px 18px;
  box-shadow:var(--shadow-card);
}
.glass-card h2{
  font-family:var(--font-title);font-size:15px;font-weight:600;
  color:var(--brand-900);margin:0 0 12px;padding-bottom:10px;
  border-bottom:1px solid var(--line);
}
.glass-card ol{margin:0;padding:0;list-style:none;counter-reset:g}
.glass-card ol li{
  counter-increment:g;position:relative;
  padding:9px 0 9px 30px;font-size:14px;color:var(--muted);
  border-bottom:1px dashed rgba(27,27,25,.09);
}
.glass-card ol li:last-child{border-bottom:none}
.glass-card ol li::before{
  content:counter(g,decimal-leading-zero);
  position:absolute;left:0;top:9px;
  font-family:var(--font-title);font-size:13px;color:var(--gold);
}

/* ============ 面包屑 ============ */
.crumb-wrap{padding:20px 0 0}
.breadcrumb{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0;font-size:12.5px;color:var(--muted)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:rgba(27,27,25,.28)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--accent-600);text-decoration:underline}
.breadcrumb .current{color:var(--brand-700)}

/* ============ 栏目说明 ============ */
.section{padding:64px 0}
.section-tight{padding:48px 0}
.section-head{margin-bottom:34px}
.section-head h2{
  font-family:var(--font-title);font-size:1.65rem;font-weight:600;
  color:var(--brand-900);margin:0 0 10px;line-height:1.45;
}
.section-head p{color:var(--muted);margin:0;max-width:760px;font-size:15.5px}
.kicker{
  display:inline-block;font-size:12.5px;letter-spacing:.18em;color:var(--gold);
  margin-bottom:10px;text-transform:uppercase;
}
.lead-block{
  background:var(--paper-card);border:1px solid var(--line);
  border-left:3px solid var(--accent-600);
  border-radius:var(--radius-card);
  padding:26px 30px;box-shadow:var(--shadow-card);
}
.lead-block p{margin:0 0 1em;color:var(--muted);font-size:15.5px}
.lead-block p:last-child{margin-bottom:0}
.lead-block strong{color:var(--brand-900);font-weight:600}

/* ============ 图文长列表 ============ */
.entry-list{border-top:1px solid var(--line)}
.entry-row{
  display:grid;grid-template-columns:330px minmax(0,1fr);gap:32px;
  padding:30px 0;border-bottom:1px solid var(--line);align-items:center;
  transition:background .25s ease;
}
.entry-row:hover{background:rgba(241,234,223,.45)}
.entry-thumb{
  border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);background:var(--paper-band);
  aspect-ratio:16/10;
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.entry-row:hover .entry-thumb img{transform:scale(1.04)}
.entry-row.reverse{grid-template-columns:minmax(0,1fr) 330px}
.entry-row.reverse .entry-thumb{order:2}
.entry-body h3{
  font-family:var(--font-title);font-size:1.2rem;font-weight:600;
  color:var(--brand-900);margin:12px 0 10px;line-height:1.5;
}
.entry-body h3 a{color:inherit}
.entry-body h3 a:hover{color:var(--accent-600);text-decoration:none}
.entry-body p{margin:0 0 14px;color:var(--muted);font-size:15px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 11px;border-radius:999px;
  border:1px solid rgba(185,139,78,.55);
  color:var(--brand-700);font-size:12px;letter-spacing:.04em;
  background:rgba(255,253,248,.85);
}
.entry-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:rgba(111,106,94,.85);margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}

/* ============ 编号纵列带 ============ */
.step-band{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.step-band li{
  display:grid;grid-template-columns:104px minmax(0,1fr);gap:28px;
  padding:26px 0;border-bottom:1px solid var(--line);align-items:start;
}
.step-num{
  font-family:var(--font-title);font-size:30px;line-height:1;
  color:var(--accent-600);letter-spacing:.02em;padding-top:4px;
}
.step-band h3{
  font-family:var(--font-title);font-size:1.15rem;font-weight:600;
  color:var(--brand-900);margin:0 0 8px;
}
.step-band p{margin:0;color:var(--muted);font-size:15px;max-width:720px}

/* ============ 准备清单 ============ */
.band{background:var(--paper-band);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.check-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 40px}
.check-list li{
  position:relative;padding-left:32px;font-size:15px;color:var(--muted);
  padding-bottom:14px;border-bottom:1px solid rgba(27,27,25,.07);
}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:1px;
  width:18px;height:18px;border-radius:5px;
  display:grid;place-items:center;font-size:11px;
  color:var(--brand-700);border:1px solid rgba(185,139,78,.7);
  background:rgba(255,253,248,.9);
}
.check-list li strong{color:var(--brand-900);font-weight:600}

/* ============ 相关栏目 ============ */
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.related-card{
  display:block;background:var(--paper-card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.related-card:hover{
  transform:translateY(-2px);
  border-color:rgba(196,80,42,.3);
  box-shadow:var(--shadow-card-hover);
}
.related-card h3{
  font-family:var(--font-title);font-size:1.1rem;font-weight:600;
  color:var(--brand-900);margin:10px 0 8px;
}
.related-card p{margin:0;color:var(--muted);font-size:14.5px}

/* ============ CTA ============ */
.cta-band{background:var(--brand-900);color:var(--paper-50);padding:68px 0}
.cta-inner{display:grid;grid-template-columns:minmax(0,1fr) 480px;gap:44px;align-items:center}
.cta-band h2{
  font-family:var(--font-title);font-size:1.55rem;font-weight:600;
  color:#fff;margin:0 0 12px;line-height:1.45;
}
.cta-band p{margin:0;color:rgba(247,242,233,.72);font-size:15px}
.subscribe-form{display:flex;gap:12px}
.subscribe-form input{
  flex:1;height:48px;border-radius:var(--radius-btn);
  border:1px solid rgba(247,242,233,.26);background:rgba(255,255,255,.07);
  padding:0 16px;color:var(--paper-50);font-size:15px;
  transition:border-color .2s ease,background .2s ease;
}
.subscribe-form input::placeholder{color:rgba(247,242,233,.52)}
.subscribe-form input:focus{border-color:var(--accent-500);background:rgba(255,255,255,.12);outline:none}
.subscribe-form button{
  height:48px;padding:0 24px;border:none;border-radius:var(--radius-btn);
  background:var(--accent-600);color:#FFFDF8;font-size:15px;font-weight:500;
  cursor:pointer;transition:background .22s ease;
}
.subscribe-form button:hover{background:#B0431F}
.form-note{font-size:13px;color:rgba(247,242,233,.6);margin-top:10px}
.form-note.is-error{color:var(--accent-500)}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(247,242,233,.86);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.site-footer h4{
  font-family:var(--font-title);font-size:15px;font-weight:600;
  color:var(--paper-50);margin:0 0 14px;
}
.site-footer a{color:rgba(247,242,233,.78);font-size:14px;line-height:2.1}
.site-footer a:hover{color:var(--accent-500);text-decoration:underline}
.footer-brand .brand{color:var(--paper-50)}
.footer-brand .brand:hover{color:var(--paper-50)}
.footer-brand .brand-sub{color:rgba(247,242,233,.6)}
.footer-brand .brand-mark{background:rgba(255,253,248,.1);color:var(--paper-50)}
.footer-brand p{color:rgba(247,242,233,.7);font-size:14px;margin:16px 0 18px;max-width:340px}
.social-row{display:flex;gap:10px}
.social-row span{
  width:34px;height:34px;border-radius:50%;
  border:1px solid rgba(247,242,233,.28);
  display:grid;place-items:center;font-size:12px;color:rgba(247,242,233,.75);
}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(247,242,233,.14);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:13px;color:rgba(247,242,233,.6);
}

/* ============ 移动端 ============ */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:grid}
  .site-header.menu-open .nav-links{
    display:flex;flex-direction:column;align-items:flex-start;gap:6px;
    position:fixed;left:0;right:0;top:72px;bottom:0;
    background:rgba(247,242,233,.98);
    padding:28px 32px 40px;overflow-y:auto;
    border-top:1px solid var(--line);
  }
  .site-header.menu-open .nav-links a{font-size:20px;padding:14px 0;width:100%;border-bottom:1px solid var(--line)}
  .site-header.menu-open .nav-links a::after{left:0;right:auto;width:44px;bottom:8px}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:32px;align-items:start}
  .entry-row,.entry-row.reverse{grid-template-columns:260px minmax(0,1fr)}
  .entry-row.reverse .entry-thumb{order:0}
  .cta-inner{grid-template-columns:minmax(0,1fr);gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .related-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 20px}
  .page-hero{padding:126px 0 52px}
  .section{padding:52px 0}
  .lead-block{padding:22px 20px}
  .entry-row,.entry-row.reverse{grid-template-columns:minmax(0,1fr);gap:18px;padding:24px 0}
  .entry-thumb{aspect-ratio:16/9}
  .step-band li{grid-template-columns:64px minmax(0,1fr);gap:16px}
  .step-num{font-size:24px}
  .check-list{grid-template-columns:1fr;gap:12px}
  .subscribe-form{flex-direction:column}
  .subscribe-form button{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .nav-inner{min-height:64px}
  .site-header.menu-open .nav-links{top:64px}
}
@media (max-width:520px){
  .hero-actions{flex-direction:column;align-items:flex-start;gap:14px}
  .btn{width:100%}
  .section-head h2{font-size:1.35rem}
  .glass-card{padding:18px}
}

/* roulang page: category2 */
:root{
  --brand-900:#14302C;
  --brand-700:#1F4A42;
  --brand-500:#2E6B5E;
  --accent-600:#C4502A;
  --accent-500:#D9663D;
  --gold:#B98B4E;
  --paper-50:#F7F2E9;
  --card:#FFFDF8;
  --band:#F1EADF;
  --ink:#1B1B19;
  --muted:#6F6A5E;
  --line:rgba(27,27,25,.08);
  --line-strong:rgba(27,27,25,.16);
  --radius-card:16px;
  --radius-btn:12px;
  --shadow-1:0 1px 2px rgba(20,30,28,.04);
  --shadow-2:0 1px 2px rgba(20,30,28,.04),0 8px 24px rgba(20,30,28,.06);
  --shadow-3:0 2px 4px rgba(20,30,28,.06),0 16px 40px rgba(20,30,28,.10);
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,system-ui,serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper-50);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease}
a:hover{color:var(--accent-600)}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.35;margin:0;color:var(--brand-900);letter-spacing:.01em}
p{margin:0 0 1.25em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
.small{font-size:13.5px;line-height:1.7;color:var(--muted)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;color:var(--gold);text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--gold)}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(247,242,233,.62);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid var(--line);
  transition:background-color .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.site-header.is-scrolled{
  background:rgba(247,242,233,.96);
  border-bottom-color:var(--line-strong);
  box-shadow:var(--shadow-2);
}
.nav-inner{display:flex;align-items:center;height:74px;gap:20px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:10px;flex-shrink:0;
  background:var(--brand-700);color:#F7F2E9;
  display:grid;place-items:center;
  font-family:var(--serif);font-size:19px;font-weight:600;
  border:1px solid rgba(185,139,78,.6);
}
.brand-text{display:flex;flex-direction:column}
.brand-main{font-family:var(--serif);font-size:18px;font-weight:600;line-height:1.2;color:var(--brand-900)}
.brand-sub{font-size:11.5px;line-height:1.35;color:var(--muted);letter-spacing:.05em}
.nav-links{display:flex;align-items:center;gap:24px;margin-left:auto}
.nav-links a{
  position:relative;font-size:15px;color:#3F3B33;padding:6px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--accent-600);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-links a:hover{color:var(--accent-600)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--brand-900);font-weight:600}
.nav-links a.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:22px}
.icon-btn{
  width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  border:1px solid var(--line-strong);color:var(--brand-700);background:rgba(255,253,248,.5);
  transition:all .22s ease;
}
.icon-btn:hover{border-color:var(--accent-500);color:var(--accent-600);background:#FFFDF8}
.nav-toggle{display:none}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;white-space:nowrap;
  transition:all .22s ease;
}
.btn-primary{background:var(--accent-600);color:#FFF8F4;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:#AE4523;color:#FFF8F4;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-ghost{border:1px solid var(--line-strong);color:var(--brand-700);background:rgba(255,253,248,.7)}
.btn-ghost:hover{background:var(--brand-700);color:#F7F2E9;border-color:var(--brand-700)}
.btn-light{background:#F7F2E9;color:var(--brand-900)}
.btn-light:hover{background:#FFFFFF;color:var(--brand-900)}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;color:var(--brand-700);
  border-bottom:1px solid rgba(46,107,94,.35);padding-bottom:3px;
}
.text-link:hover{color:var(--accent-600);border-bottom-color:var(--accent-500)}

/* 移动端面板 */
.mobile-panel{
  position:fixed;inset:0;z-index:70;
  background:rgba(247,242,233,.98);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  padding:96px 24px 32px;
  display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .26s ease,transform .26s ease,visibility .26s;
}
.mobile-panel.is-open{opacity:1;visibility:visible;transform:none}
.mobile-panel a{
  font-family:var(--serif);font-size:22px;color:var(--brand-900);
  padding:18px 0;border-bottom:1px solid var(--line);
}
.mobile-panel a.is-active{color:var(--accent-600)}
.mobile-panel .panel-cta{margin-top:auto;display:flex;flex-direction:column;gap:10px}

/* ============ 页面头部 ============ */
.page-hero{
  position:relative;
  padding:140px 0 64px;
  background-image:linear-gradient(102deg,rgba(247,242,233,.97) 0%,rgba(247,242,233,.9) 44%,rgba(247,242,233,.52) 100%),url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center 30%;
  border-bottom:1px solid var(--line);
}
.breadcrumb{font-size:12.5px;color:var(--muted);margin-bottom:20px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:0;margin:0;list-style:none}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:rgba(27,27,25,.28)}
.breadcrumb a:hover{color:var(--accent-600);text-decoration:underline}
.page-hero h1{
  font-size:clamp(1.6rem,4vw,2.25rem);
  max-width:760px;margin:14px 0 18px;
}
.page-hero .lede{max-width:680px;font-size:16.5px;color:#3F3B33}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.badge{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:999px;
  font-size:12.5px;line-height:1.6;
  border:1px solid rgba(185,139,78,.55);color:#6B5330;background:rgba(255,253,248,.72);
}
.badge-solid{background:var(--brand-700);color:#F7F2E9;border-color:var(--brand-700)}

/* 板块 */
.section{padding:72px 0}
.section-tight{padding:54px 0}
.section-band{background:var(--band)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:36px}
.section-head h2{font-size:clamp(1.35rem,3vw,1.7rem)}
.section-head p{max-width:560px;margin:8px 0 0;color:var(--muted);font-size:15px}

/* ============ Bento 卡片网格 ============ */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.bento-item{
  grid-column:span 2;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  display:flex;flex-direction:column;
  box-shadow:var(--shadow-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.bento-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-3);border-color:rgba(196,80,42,.3)}
.bento-item.is-wide{grid-column:span 4}
.bento-item.is-half{grid-column:span 3}
.bento-media{position:relative;overflow:hidden;background:var(--paper-50)}
.bento-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease}
.bento-item:hover .bento-media img{transform:scale(1.03)}
.bento-item.is-wide .bento-media img{aspect-ratio:21/9}
.bento-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.bento-body h3{font-size:1.15rem;line-height:1.5}
.bento-body p{font-size:14.5px;line-height:1.8;color:#43403A;margin:0}
.bento-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--muted);
}
.bento-foot a{font-size:13.5px;color:var(--brand-700);border-bottom:1px solid rgba(46,107,94,.3);padding-bottom:2px}
.bento-foot a:hover{color:var(--accent-600);border-bottom-color:var(--accent-500)}
.bento-item.is-accent{background:var(--brand-900);border-color:var(--brand-900);color:#F1EADF}
.bento-item.is-accent h3{color:#F7F2E9}
.bento-item.is-accent p{color:rgba(247,242,233,.78)}
.bento-item.is-accent .bento-foot{border-top-color:rgba(247,242,233,.18);color:rgba(247,242,233,.62)}
.bento-item.is-accent .badge{border-color:rgba(185,139,78,.7);color:#E8D9BE;background:rgba(255,255,255,.06)}
.bento-item.is-accent .bento-foot a{color:#F1EADF;border-bottom-color:rgba(241,234,223,.4)}
.bento-item.is-accent .bento-foot a:hover{color:var(--accent-500)}

/* ============ 步骤流 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px 22px 24px;box-shadow:var(--shadow-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(196,80,42,.3)}
.step-num{
  font-family:var(--serif);font-size:13px;letter-spacing:.16em;color:var(--accent-600);
  display:block;margin-bottom:12px;
}
.step h3{font-size:1.08rem;margin-bottom:8px}
.step p{font-size:14px;color:#43403A;line-height:1.78;margin:0}

/* ============ 场景双列 ============ */
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start}
.split-main{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.split-main img{width:100%;aspect-ratio:16/10;object-fit:cover}
.split-main .split-body{padding:26px 26px 28px}
.split-main h3{font-size:1.2rem;margin-bottom:10px}
.split-main p{font-size:15px;color:#43403A}
.note-list{display:flex;flex-direction:column;gap:16px}
.note{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.note:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(196,80,42,.3)}
.note h3{font-size:1.02rem;margin-bottom:8px}
.note p{font-size:14px;line-height:1.78;color:#43403A;margin:0}

/* ============ 数据条带 ============ */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px}
.stat{
  border-top:1px solid rgba(185,139,78,.55);padding-top:20px;
}
.stat .num{font-family:var(--serif);font-size:clamp(1.7rem,4vw,2.3rem);color:var(--brand-900);line-height:1.1}
.stat .num em{font-style:normal;font-size:.55em;color:var(--accent-600);margin-left:4px}
.stat p{margin:8px 0 0;font-size:13.5px;color:var(--muted);line-height:1.7}

/* ============ CTA ============ */
.cta-block{
  background:var(--brand-900);color:#F1EADF;
  padding:66px 0;
}
.cta-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center}
.cta-block h2{color:#F7F2E9;font-size:clamp(1.4rem,3.2vw,1.8rem);margin-bottom:12px}
.cta-block p{color:rgba(247,242,233,.76);max-width:560px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.cta-block .btn-ghost{border-color:rgba(247,242,233,.4);color:#F7F2E9;background:transparent}
.cta-block .btn-ghost:hover{background:#F7F2E9;color:var(--brand-900);border-color:#F7F2E9}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:#F1EADF;padding:60px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
.footer-brand .brand-main{color:#F7F2E9}
.footer-brand .brand-sub{color:rgba(247,242,233,.6)}
.footer-brand .brand-mark{background:rgba(247,242,233,.1);border-color:rgba(185,139,78,.7)}
.site-footer h4{font-family:var(--serif);font-size:15px;color:#F7F2E9;margin-bottom:14px;letter-spacing:.04em}
.site-footer p{font-size:13.5px;line-height:1.8;color:rgba(247,242,233,.72);margin:14px 0 0;max-width:320px}
.site-footer a{font-size:14px;color:rgba(247,242,233,.78);line-height:2.1;display:inline-block}
.site-footer a:hover{color:var(--accent-500)}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-row span{
  width:32px;height:32px;border-radius:999px;display:grid;place-items:center;
  border:1px solid rgba(247,242,233,.3);font-size:12px;color:rgba(247,242,233,.72);
}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(247,242,233,.16);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:rgba(247,242,233,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:grid}
  .nav-actions{margin-left:auto}
  .nav-actions .btn-primary{display:none}
  .page-hero{padding:124px 0 52px}
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento-item,.bento-item.is-wide,.bento-item.is-half{grid-column:span 1}
  .bento-item.is-wide{grid-column:span 2}
  .bento-item.is-wide .bento-media img{aspect-ratio:16/9}
  .steps{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:58px 0}
}
@media (max-width:639px){
  body{font-size:16px}
  .container{padding-left:20px;padding-right:20px}
  .bento,.steps,.stats{grid-template-columns:1fr}
  .bento-item.is-wide{grid-column:span 1}
  .page-hero{padding:112px 0 44px}
  .btn{width:100%}
  .step,.note,.split-main .split-body{padding-left:20px;padding-right:20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .section{padding:48px 0}
}

/* roulang page: category3 */
:root{
    --brand-900:#14302C;
    --brand-700:#1F4A42;
    --brand-500:#2E6B5E;
    --accent-600:#C4502A;
    --accent-500:#D9663D;
    --paper-50:#F7F2E9;
    --paper-card:#FFFDF8;
    --paper-band:#F1EADF;
    --ink:#1B1B19;
    --muted:#6F6A5E;
    --line:rgba(27,27,25,.08);
    --gold:#B98B4E;
    --radius-card:16px;
    --radius-btn:12px;
    --shadow-card:0 1px 2px rgba(20,30,28,.04),0 8px 24px rgba(20,30,28,.06);
    --shadow-hover:0 2px 4px rgba(20,30,28,.06),0 14px 34px rgba(20,30,28,.11);
    --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",system-ui,serif;
    --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:var(--font-sans);
    font-size:16.5px;
    line-height:1.85;
    color:var(--ink);
    background:var(--paper-50);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border-radius:var(--radius-card)}
  a{color:inherit;text-decoration:none;transition:color .2s ease}
  a:hover{color:var(--accent-600);text-decoration:underline;text-underline-offset:3px}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:600;line-height:1.4}
  p{margin:0 0 1.25em}
  ul,ol{margin:0;padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){.container{padding:0 32px}}
  .section{padding:64px 0}
  .section-tight{padding:44px 0}
  @media (max-width:640px){.section{padding:48px 0}}

  /* ---------- 导航 ---------- */
  .site-header{
    position:fixed;top:0;left:0;right:0;z-index:60;
    background:rgba(247,242,233,.62);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    backdrop-filter:blur(14px) saturate(140%);
    border-bottom:1px solid rgba(27,27,25,.06);
    box-shadow:0 1px 2px rgba(20,30,28,.03);
    transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
  }
  .site-header.is-solid{
    background:rgba(247,242,233,.95);
    border-bottom-color:var(--line);
    box-shadow:0 1px 2px rgba(20,30,28,.05),0 6px 20px rgba(20,30,28,.06);
  }
  .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .brand:hover{text-decoration:none;color:inherit}
  .brand-mark{
    width:38px;height:38px;flex-shrink:0;display:grid;place-items:center;
    border-radius:10px;background:var(--brand-900);color:#F3EDE0;
    font-family:var(--font-serif);font-size:19px;font-weight:600;
    box-shadow:0 4px 12px rgba(20,48,44,.22);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.15}
  .brand-main{font-family:var(--font-serif);font-size:19px;font-weight:600;color:var(--brand-900)}
  .brand-sub{font-size:11px;letter-spacing:.06em;color:var(--muted)}
  .nav-links{display:flex;align-items:center;gap:26px}
  .nav-links a{position:relative;display:inline-block;padding:24px 0;font-size:14.5px;color:#3D3B34}
  .nav-links a::after{
    content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;
    background:var(--accent-600);transform:scaleX(0);transform-origin:left;
    transition:transform .25s ease;
  }
  .nav-links a:hover{color:var(--brand-900);text-decoration:none}
  .nav-links a:hover::after{transform:scaleX(1)}
  .nav-links a.is-active{color:var(--brand-900);font-weight:600}
  .nav-links a.is-active::after{transform:scaleX(1)}
  .nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
  .icon-btn{
    width:38px;height:38px;display:grid;place-items:center;border-radius:50%;
    border:1px solid var(--line);color:var(--brand-700);background:rgba(255,253,248,.6);
    transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
  }
  .icon-btn:hover{background:var(--paper-card);border-color:rgba(196,80,42,.35);color:var(--accent-600);transform:translateY(-1px)}
  .nav-toggle{display:none}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;letter-spacing:.01em;
    transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .btn-primary{background:var(--accent-600);color:#FFF8F2;box-shadow:0 6px 18px rgba(196,80,42,.22)}
  .btn-primary:hover{background:#AD4523;color:#FFF8F2;text-decoration:none;transform:translateY(-1px);box-shadow:0 10px 24px rgba(196,80,42,.28)}
  .btn-primary:active{transform:translateY(0);background:#9B3D1F}
  .btn-ghost{border:1px solid rgba(27,27,25,.16);color:var(--brand-900);background:rgba(255,253,248,.5)}
  .btn-ghost:hover{background:var(--brand-900);color:#F3EDE0;border-color:var(--brand-900);text-decoration:none}
  .btn-sm{height:40px;padding:0 18px;font-size:14px}

  /* ---------- 移动面板 ---------- */
  .mobile-panel{
    position:fixed;inset:0;z-index:70;display:flex;flex-direction:column;
    padding:24px 24px 36px;background:rgba(247,242,233,.98);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    transform:translateY(-14px);opacity:0;pointer-events:none;
    transition:transform .28s ease,opacity .28s ease;overflow-y:auto;
  }
  .mobile-panel.is-open{transform:none;opacity:1;pointer-events:auto}
  .panel-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
  .panel-links{display:flex;flex-direction:column;margin-bottom:auto}
  .panel-links a{
    font-family:var(--font-serif);font-size:22px;color:var(--brand-900);
    padding:18px 0;border-bottom:1px solid var(--line);text-align:left;
  }
  .panel-links a.is-active{color:var(--accent-600)}
  .panel-cta{margin-top:32px}

  /* ---------- Hero ---------- */
  .page-hero{
    position:relative;padding:136px 0 68px;
    background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  }
  .page-hero::before{
    content:"";position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(247,242,233,.97) 0%,rgba(247,242,233,.9) 40%,rgba(247,242,233,.6) 72%,rgba(247,242,233,.34) 100%);
  }
  .page-hero .container{position:relative;z-index:2}
  .hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:end}
  .breadcrumb{font-size:12.5px;color:var(--muted);margin-bottom:20px}
  .breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
  .breadcrumb li{display:flex;align-items:center;gap:8px}
  .breadcrumb li+li::before{content:"/";color:rgba(27,27,25,.28)}
  .breadcrumb a{color:var(--muted)}
  .hero-eyebrow{
    display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;
    font-size:12.5px;letter-spacing:.12em;color:#8A6636;
    padding:5px 12px;border-radius:999px;border:1px solid rgba(185,139,78,.5);
    background:rgba(255,253,248,.6);
  }
  .page-hero h1{
    font-size:clamp(1.75rem,4.4vw,2.6rem);
    color:var(--brand-900);margin-bottom:18px;max-width:760px;
  }
  .hero-lead{font-size:16.5px;color:#46443C;max-width:660px;margin-bottom:26px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
  .hero-card{
    background:rgba(255,253,248,.82);
    -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
    border:1px solid rgba(27,27,25,.07);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-card);
    padding:24px;
  }
  .hero-card h2{font-size:15px;color:var(--brand-900);margin-bottom:14px;font-family:var(--font-sans);font-weight:600}
  .hero-card li{
    display:flex;gap:10px;align-items:flex-start;
    font-size:14px;color:#4E4C44;padding:9px 0;border-bottom:1px solid var(--line);
  }
  .hero-card li:last-child{border-bottom:0;padding-bottom:0}
  .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-500);margin-top:9px;flex-shrink:0}

  /* ---------- 分组清单 ---------- */
  .group{padding:56px 0 0}
  .group:first-of-type{padding-top:8px}
  .group-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
  .group-num{
    font-family:var(--font-serif);font-size:13.5px;letter-spacing:.18em;
    color:var(--gold);padding-bottom:2px;
  }
  .group-head h2{font-size:1.6rem;color:var(--brand-900)}
  .group-note{font-size:14.5px;color:var(--muted);margin:10px 0 0;max-width:720px}
  .g-list{margin-top:22px;border-top:1px solid var(--line)}
  .g-item{
    display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:32px;
    padding:22px 4px;border-bottom:1px solid var(--line);
    transition:background .2s ease,padding .2s ease;
  }
  .g-item:hover{background:rgba(255,253,248,.9)}
  .g-item h3{font-size:1.0625rem;color:var(--brand-900);margin-bottom:6px;font-family:var(--font-sans);font-weight:600}
  .g-item p{margin:0;font-size:15px;color:var(--muted)}
  .g-item .tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;align-content:flex-start}
  .tag{
    display:inline-block;font-size:12px;line-height:1.6;
    padding:3px 11px;border-radius:999px;
    border:1px solid rgba(185,139,78,.48);
    color:#8A6636;background:rgba(255,253,248,.75);white-space:nowrap;
  }
  .tag-fill{
    background:rgba(46,107,94,.08);border-color:rgba(46,107,94,.3);color:var(--brand-700);
  }

  /* ---------- 速览条带 ---------- */
  .quick-band{background:var(--paper-band);padding:44px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
  .quick-item{background:var(--paper-card);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
  .quick-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(196,80,42,.28)}
  .quick-item .q-k{font-family:var(--font-serif);font-size:22px;color:var(--accent-600);display:block;margin-bottom:6px}
  .quick-item .q-t{font-size:15px;font-weight:600;color:var(--brand-900);display:block;margin-bottom:4px}
  .quick-item .q-d{font-size:13.5px;color:var(--muted);line-height:1.65}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:900px}
  .faq-list{border-top:1px solid var(--line);margin-top:26px}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item summary{
    list-style:none;display:flex;align-items:center;justify-content:space-between;
    gap:20px;padding:22px 4px;cursor:pointer;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:hover{color:var(--accent-600)}
  .faq-q{font-size:1.0625rem;font-weight:600;color:var(--brand-900)}
  .faq-item summary:hover .faq-q{color:var(--accent-600)}
  .faq-icon{
    position:relative;width:20px;height:20px;flex-shrink:0;
    transition:transform .25s ease;
  }
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;background:var(--brand-500);border-radius:2px;
  }
  .faq-icon::before{left:0;right:0;top:9px;height:2px}
  .faq-icon::after{top:0;bottom:0;left:9px;width:2px}
  .faq-item[open] .faq-icon{transform:rotate(45deg)}
  .faq-body{padding:0 4px 24px;max-width:720px;font-size:15.5px;color:var(--muted)}
  .faq-body p:last-child{margin-bottom:0}

  /* ---------- CTA ---------- */
  .cta-band{background:var(--brand-900);color:#F3EDE0;padding:72px 0;margin-top:72px}
  .cta-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px;align-items:center}
  .cta-band h2{color:#F7F2E9;font-size:1.75rem;margin-bottom:12px}
  .cta-band p{color:rgba(247,242,233,.75);margin:0;max-width:560px;font-size:15.5px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px}
  .btn-light{background:#F7F2E9;color:var(--brand-900)}
  .btn-light:hover{background:#FFFFFF;color:var(--brand-900);text-decoration:none;transform:translateY(-1px)}
  .btn-outline-light{border:1px solid rgba(247,242,233,.4);color:#F3EDE0}
  .btn-outline-light:hover{background:rgba(247,242,233,.12);color:#FFFDF8;text-decoration:none;border-color:rgba(247,242,233,.7)}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--brand-900);color:rgba(247,242,233,.82);padding:64px 0 28px;font-size:14.5px}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
  .site-footer .brand-main{color:#F7F2E9}
  .site-footer .brand-sub{color:rgba(247,242,233,.6)}
  .site-footer .brand-mark{background:#F7F2E9;color:var(--brand-900)}
  .site-footer h4{font-family:var(--font-sans);font-size:14px;font-weight:600;color:#F7F2E9;margin-bottom:14px;letter-spacing:.02em}
  .site-footer a{color:rgba(247,242,233,.78);line-height:2.1;display:inline-block}
  .site-footer a:hover{color:#FFFDF8;text-decoration:underline;text-underline-offset:3px}
  .footer-brand p{color:rgba(247,242,233,.68);font-size:14px;margin:16px 0 18px;max-width:320px;line-height:1.8}
  .social-row{display:flex;gap:10px}
  .social-row span{
    width:34px;height:34px;border-radius:50%;
    border:1px solid rgba(247,242,233,.28);
    display:grid;place-items:center;font-size:12px;color:rgba(247,242,233,.75);
  }
  .footer-bottom{
    margin-top:44px;padding-top:20px;border-top:1px solid rgba(247,242,233,.16);
    display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:13px;color:rgba(247,242,233,.6);
  }
  .small{font-size:13.5px}

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .nav-links{display:none}
    .nav-toggle{display:grid}
    .nav-actions .btn-sm{display:none}
    .hero-grid{grid-template-columns:1fr;gap:32px;align-items:start}
    .quick-grid{grid-template-columns:repeat(2,1fr)}
    .cta-inner{grid-template-columns:1fr}
  }
  @media (max-width:899px){
    .g-item{grid-template-columns:1fr;gap:12px}
    .g-item .tags{justify-content:flex-start}
  }
  @media (max-width:767px){
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
    .page-hero{padding:120px 0 52px}
  }
  @media (max-width:520px){
    body{font-size:16px}
    .quick-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column;gap:6px}
    .hero-actions .btn{width:100%}
    .brand-sub{font-size:10.5px}
  }