/* roulang page: index */
:root{
  --clay:#B44A2A;
  --clay-deep:#96391F;
  --pine:#2E5D50;
  --bronze:#B98A3C;
  --paper:#F7F2E8;
  --paper-2:#EFE7D8;
  --ink:#1A1714;
  --body-ink:#2B2622;
  --muted:#6B625A;
  --line:rgba(26,23,20,0.12);
  --line-strong:rgba(26,23,20,0.22);
  --card-bg:#FFFDF8;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-input:10px;
  --shadow-soft:0 10px 30px rgba(26,23,20,0.08);
  --shadow-strong:0 18px 44px rgba(26,23,20,0.14);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--body-ink);
  font-family:var(--font-sans);
  font-size:1rem;
  line-height:1.8;
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--ink);margin:0;font-weight:800;letter-spacing:.01em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:80rem;margin:0 auto;padding-left:16px;padding-right:16px;}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

.h-serif{font-family:var(--font-serif);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8rem;letter-spacing:.14em;color:var(--pine);
  font-weight:600;text-transform:none;
}
.eyebrow::before{content:"";display:block;width:28px;height:1px;background:var(--bronze);}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,242,232,.95);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-grid{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;min-height:76px;gap:12px;}
.nav-side{display:flex;align-items:center;gap:26px;}
.nav-side.right{justify-content:flex-end;}
.nav-link{
  position:relative;font-size:.95rem;font-weight:500;color:var(--body-ink);
  padding:10px 2px;min-height:44px;display:inline-flex;align-items:center;
  transition:color .22s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;
  background:var(--clay);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--clay);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--clay);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.brand-mark{
  font-family:var(--font-serif);font-weight:900;color:var(--ink);
  font-size:1.06rem;letter-spacing:.06em;white-space:nowrap;
  display:flex;align-items:center;gap:10px;line-height:1.2;
}
.brand-seal{
  width:30px;height:30px;flex:0 0 30px;border:1px solid var(--clay);
  border-radius:7px;color:var(--clay);font-size:.78rem;font-weight:800;
  display:flex;align-items:center;justify-content:center;background:rgba(180,74,42,.06);
}
.brand-mark span.dot{color:var(--clay);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--clay);color:#FDF9F1;font-size:.9rem;font-weight:600;
  padding:11px 20px;border-radius:var(--radius-btn);min-height:44px;
  box-shadow:0 6px 16px rgba(180,74,42,.22);transition:all .25s ease;
}
.nav-cta:hover{background:var(--clay-deep);transform:translateY(-2px);box-shadow:0 12px 24px rgba(180,74,42,.3);}
.menu-toggle{
  display:none;width:46px;height:46px;border:1px solid var(--line-strong);
  border-radius:12px;background:transparent;align-items:center;justify-content:center;
  cursor:pointer;color:var(--ink);
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--paper);}
.mobile-panel.open{display:block;}
.mobile-panel ul{list-style:none;margin:0;padding:10px 16px 20px;}
.mobile-panel li{border-bottom:1px solid var(--line);}
.mobile-panel a{display:flex;align-items:center;min-height:52px;font-size:1rem;font-weight:500;}
.mobile-panel a.active{color:var(--clay);font-weight:700;}
.mobile-panel .m-cta{margin:16px;display:flex;}
@media (max-width:1023px){
  .nav-side{display:none;}
  .nav-grid{grid-template-columns:1fr auto;min-height:68px;}
  .menu-toggle{display:inline-flex;}
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:.98rem;font-weight:600;line-height:1;min-height:48px;
  padding:15px 26px;border-radius:var(--radius-btn);cursor:pointer;
  transition:all .25s ease;border:1px solid transparent;text-align:center;
}
.btn-primary{background:var(--clay);color:#FDF9F1;box-shadow:0 8px 20px rgba(180,74,42,.24);}
.btn-primary:hover{background:var(--clay-deep);transform:translateY(-2px);box-shadow:0 14px 30px rgba(180,74,42,.32);}
.btn-ghost{background:rgba(180,74,42,.08);color:var(--clay);border-color:var(--clay);}
.btn-ghost:hover{background:rgba(180,74,42,.16);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:#F7F2E8;}
.btn-dark:hover{background:#000;transform:translateY(-2px);}
.btn-light{background:#F7F2E8;color:var(--ink);}
.btn-light:hover{background:#fff;transform:translateY(-2px);}
.btn:active{transform:translateY(0) scale(.99);}

/* 标签 */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.76rem;font-weight:600;letter-spacing:.06em;
  color:var(--pine);background:rgba(46,93,80,.09);
  border:1px solid rgba(46,93,80,.22);
  padding:5px 12px;border-radius:999px;
}
.tag-bronze{color:#8A6520;background:rgba(185,138,60,.12);border-color:rgba(185,138,60,.35);}
.tag-clay{color:var(--clay);background:rgba(180,74,42,.1);border-color:rgba(180,74,42,.28);}

/* 卡片 */
.card{
  background:var(--card-bg);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-soft);overflow:hidden;height:100%;
  transition:transform .3s ease,box-shadow .3s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-strong);}
.card .thumb{overflow:hidden;background:var(--paper-2);}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease;}
.card:hover .thumb img{transform:scale(1.03);}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:1.2rem;line-height:1.45;font-weight:700;}
.card-title a:hover{color:var(--clay);}
.card-text{color:var(--muted);font-size:.94rem;line-height:1.75;}
.card-meta{
  margin-top:auto;display:flex;align-items:center;gap:12px;
  font-size:.82rem;color:var(--muted);padding-top:12px;border-top:1px dashed var(--line);
}
.mono-num{font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.02em;}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}

/* Hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-visual{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(247,242,232,.97) 0%,rgba(247,242,232,.9) 44%,rgba(247,242,232,.62) 100%);
}
.hero-inner{position:relative;z-index:2;padding-top:56px;padding-bottom:56px;}
@media (min-width:768px){.hero-inner{padding-top:84px;padding-bottom:84px;}}
.hero h1{
  font-size:clamp(2.2rem,5vw,4rem);line-height:1.16;margin-top:20px;letter-spacing:.005em;
}
.hero-sub{margin-top:22px;font-size:1.05rem;line-height:1.85;color:var(--body-ink);max-width:34rem;}
@media (min-width:768px){.hero-sub{font-size:1.12rem;}}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-figure{
  border-radius:22px;overflow:hidden;border:1px solid var(--line);
  box-shadow:0 24px 60px rgba(26,23,20,.16);background:#fff;position:relative;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.hero-figure .fig-note{
  position:absolute;left:16px;bottom:16px;right:16px;
  background:rgba(26,23,20,.82);color:#F7F2E8;border-radius:14px;
  padding:14px 16px;font-size:.86rem;line-height:1.65;
}
.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:40px;}
.stat-item{background:rgba(255,253,248,.86);border:1px solid var(--line);border-radius:14px;padding:16px 14px;}
.stat-num{font-family:var(--font-serif);font-size:1.6rem;font-weight:900;color:var(--clay);line-height:1.1;}
.stat-label{font-size:.8rem;color:var(--muted);margin-top:6px;line-height:1.5;}

/* 板块 */
.section{padding-top:64px;padding-bottom:64px;}
@media (min-width:768px){.section{padding-top:96px;padding-bottom:96px;}}
.section-alt{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:46rem;}
.section-head h2{font-size:clamp(1.6rem,3vw,2.4rem);line-height:1.28;margin-top:14px;}
.section-head p{margin-top:16px;color:var(--muted);font-size:1rem;line-height:1.85;}

/* 理念 */
.idea-list{list-style:none;margin:0;padding:0;display:grid;gap:18px;}
.idea-list li{display:flex;gap:14px;align-items:flex-start;padding-bottom:18px;border-bottom:1px dashed var(--line);}
.idea-idx{
  flex:0 0 34px;width:34px;height:34px;border-radius:9px;border:1px solid rgba(185,138,60,.5);
  color:#8A6520;background:rgba(185,138,60,.1);font-weight:800;font-size:.85rem;
  display:flex;align-items:center;justify-content:center;
}
.idea-list h3{font-size:1.08rem;font-weight:700;}
.idea-list p{color:var(--muted);font-size:.94rem;margin-top:6px;line-height:1.75;}

/* 方向卡 */
.direction-card{
  border:1px solid var(--line);border-radius:var(--radius-card);background:var(--card-bg);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.direction-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-strong);border-color:rgba(180,74,42,.35);}
.direction-card .d-thumb{aspect-ratio:16/10;overflow:hidden;}
.direction-card .d-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease;}
.direction-card:hover .d-thumb img{transform:scale(1.04);}

/* 信任 */
.quote-grid{display:grid;gap:20px;}
.quote-card{
  background:var(--card-bg);border:1px solid var(--line);border-left:3px solid var(--clay);
  border-radius:14px;padding:24px;box-shadow:var(--shadow-soft);
}
.quote-card p{font-size:.98rem;line-height:1.85;color:var(--body-ink);}
.quote-who{margin-top:16px;font-size:.86rem;color:var(--muted);}
.score-track{height:8px;border-radius:999px;background:rgba(26,23,20,.1);overflow:hidden;margin-top:10px;}
.score-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--bronze),var(--clay));}
.logo-wall{display:flex;flex-wrap:wrap;gap:12px;}
.logo-chip{
  border:1px dashed var(--line-strong);border-radius:999px;padding:9px 18px;
  font-size:.86rem;color:var(--muted);background:rgba(255,253,248,.7);
}

/* 列表空态 */
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--radius-card);
  background:rgba(255,253,248,.7);padding:44px 24px;text-align:center;color:var(--muted);
}
.empty-state .es-icon{
  width:46px;height:46px;margin:0 auto 14px;border-radius:12px;
  border:1px solid rgba(180,74,42,.35);color:var(--clay);background:rgba(180,74,42,.08);
  display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:800;
}

/* FAQ */
.faq-wrap{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;font-family:var(--font-serif);font-weight:700;font-size:1.06rem;
  color:var(--ink);line-height:1.6;min-height:56px;
}
.faq-q:hover{color:var(--clay);}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line-strong);display:flex;align-items:center;justify-content:center;
  color:var(--clay);font-size:1rem;transition:transform .3s ease,background .3s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(180,74,42,.1);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 0 20px;color:var(--muted);font-size:.96rem;line-height:1.85;max-width:52rem;}

/* CTA 深色块 */
.cta-block{
  position:relative;overflow:hidden;border-radius:24px;color:#F7F2E8;
  background:var(--ink);padding:40px 26px;
}
.cta-block::before{
  content:"";position:absolute;inset:0;opacity:.22;
  background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;
}
.cta-inner{position:relative;z-index:2;}
@media (min-width:768px){.cta-block{padding:56px 48px;}}
.cta-block h2{color:#F7F2E8;font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.3;}
.cta-block p{color:rgba(247,242,232,.78);margin-top:14px;font-size:.98rem;line-height:1.85;}

/* 表单 */
.field-row{display:flex;flex-direction:column;gap:12px;}
@media (min-width:640px){.field-row{flex-direction:row;}}
.input{
  flex:1;min-height:50px;border-radius:var(--radius-input);
  border:1px solid rgba(247,242,232,.34);background:rgba(247,242,232,.1);
  color:#F7F2E8;padding:13px 16px;font-size:.96rem;font-family:inherit;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.input::placeholder{color:rgba(247,242,232,.55);}
.input:focus{outline:none;border-color:var(--clay);box-shadow:0 0 0 3px rgba(180,74,42,.35);}
.form-note{margin-top:12px;font-size:.82rem;color:rgba(247,242,232,.6);}
.form-msg{margin-top:12px;font-size:.88rem;font-weight:600;display:none;}
.form-msg.ok{display:block;color:#8FC7AE;}
.form-msg.err{display:block;color:#F0A98E;}
.input.invalid{border-color:#E2836A;box-shadow:0 0 0 3px rgba(226,131,106,.3);}

/* 页脚 */
.site-footer{background:var(--ink);color:#F7F2E8;padding-top:64px;padding-bottom:28px;margin-top:0;}
.site-footer h3{color:#F7F2E8;font-size:1rem;font-weight:700;letter-spacing:.04em;}
.footer-link{color:rgba(247,242,232,.72);font-size:.92rem;display:block;padding:7px 0;transition:color .2s ease;}
.footer-link:hover{color:#F7F2E8;}
.footer-brand{font-family:var(--font-serif);font-size:1.14rem;font-weight:900;letter-spacing:.05em;color:#F7F2E8;}
.footer-desc{color:rgba(247,242,232,.66);font-size:.9rem;line-height:1.85;margin-top:14px;max-width:24rem;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(247,242,232,.16);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:rgba(247,242,232,.55);font-size:.82rem;
}
.footer-bottom a{color:rgba(247,242,232,.7);}
.footer-bottom a:hover{color:#F7F2E8;text-decoration:underline;text-underline-offset:3px;}
@media (max-width:767px){
  .stat-strip{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
}

/* roulang page: article */
:root{
  --clay:#B44A2A;
  --clay-dark:#963A1F;
  --pine:#2E5D50;
  --bronze:#B98A3C;
  --bronze-soft:#E8B77A;
  --paper:#F7F2E8;
  --paper-2:#EFE7D8;
  --card:#FFFDF8;
  --ink:#1A1714;
  --text:#2B2622;
  --muted:#6B625A;
  --border:rgba(26,23,20,.12);
  --r-card:18px;
  --r-btn:12px;
  --r-input:10px;
  --shadow:0 10px 30px rgba(26,23,20,.08);
  --shadow-lg:0 18px 44px rgba(26,23,20,.14);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans 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;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--ink);margin:0;font-weight:800;line-height:1.28;}
p{margin:0;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:80rem;margin:0 auto;padding-left:16px;padding-right:16px;}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

/* ------- header / nav ------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,242,232,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  height:84px;
  gap:16px;
}
.nav-side{display:flex;align-items:center;gap:26px;}
.nav-side.right{justify-content:flex-end;}
.nav-link{
  position:relative;
  font-size:.95rem;
  font-weight:500;
  color:var(--text);
  padding:8px 0;
  transition:color .22s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;left:0;bottom:2px;
  width:0;height:2px;background:var(--clay);
  transition:width .25s ease;
}
.nav-link:hover{color:var(--clay);}
.nav-link:hover::after{width:100%;}
.nav-link.active{color:var(--clay);font-weight:700;}
.nav-link.active::after{width:100%;}
.brand-logo{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-serif);
  font-size:1.06rem;
  font-weight:900;
  letter-spacing:.08em;
  color:var(--ink);
  white-space:nowrap;
  transition:opacity .2s ease;
}
.brand-logo:hover{opacity:.82;}
.brand-seal{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;flex:0 0 30px;
  border:1.5px solid var(--clay);
  border-radius:7px;
  color:var(--clay);
  font-family:var(--font-serif);
  font-size:.82rem;font-weight:800;
  letter-spacing:0;
}
.nav-cta{min-height:40px;padding:10px 18px;font-size:.88rem;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  flex-direction:column;gap:5px;
  border:1px solid var(--border);
  border-radius:12px;
  background:rgba(255,253,248,.7);
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-menu{display:none;}
.mobile-menu.open{
  display:block;
  border-top:1px solid var(--border);
  padding:10px 0 20px;
}
.mobile-menu a{
  display:block;
  padding:13px 4px;
  font-size:1rem;
  color:var(--text);
  border-bottom:1px dashed rgba(26,23,20,.1);
  min-height:44px;
}
.mobile-menu a:hover{color:var(--clay);}
.mobile-menu .btn{display:inline-flex;margin-top:16px;border-bottom:none;}

@media (max-width:1023px){
  .nav-wrap{display:flex;justify-content:space-between;height:70px;}
  .nav-side{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand-logo{font-size:.98rem;letter-spacing:.05em;}
}

/* ------- buttons / badge ------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;
  min-height:44px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:.95rem;font-weight:600;line-height:1;
  cursor:pointer;
  transition:background .25s ease,transform .25s ease,box-shadow .25s ease,border-color .25s ease,color .25s ease;
}
.btn-primary{background:var(--clay);color:#FFF8EF;box-shadow:0 8px 20px rgba(180,74,42,.24);}
.btn-primary:hover{background:var(--clay-dark);transform:translateY(-2px);box-shadow:0 14px 28px rgba(180,74,42,.32);}
.btn-ghost{background:rgba(180,74,42,.08);color:var(--clay);border-color:rgba(180,74,42,.35);}
.btn-ghost:hover{background:rgba(180,74,42,.15);border-color:var(--clay);transform:translateY(-2px);}
.btn-light{background:rgba(247,242,232,.94);color:var(--ink);border-color:rgba(247,242,232,.5);}
.btn-light:hover{background:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.18);}
.btn:active{transform:translateY(0);}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;
  border-radius:999px;
  font-size:.78rem;font-weight:600;letter-spacing:.04em;
  background:rgba(46,93,80,.1);
  color:var(--pine);
  border:1px solid rgba(46,93,80,.22);
}
.badge-bronze{background:rgba(185,138,60,.13);color:#8A6524;border-color:rgba(185,138,60,.35);}

/* ------- breadcrumb ------- */
.crumb-bar{border-bottom:1px solid var(--border);background:var(--paper-2);}
.breadcrumb{
  display:flex;align-items:center;gap:10px;
  flex-wrap:wrap;
  padding:14px 0;
  font-size:.85rem;
  color:var(--muted);
}
.breadcrumb a{color:var(--muted);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--clay);text-decoration:underline;text-underline-offset:3px;}
.crumb-sep{color:rgba(26,23,20,.28);}
.crumb-current{color:var(--ink);font-weight:600;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ------- article hero ------- */
.post-hero{
  position:relative;
  padding:56px 0 64px;
  background-image:linear-gradient(100deg,rgba(247,242,232,.97) 0%,rgba(247,242,232,.9) 48%,rgba(239,231,216,.72) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--border);
}
.post-hero-grid{display:grid;grid-template-columns:1fr;gap:34px;align-items:center;}
@media (min-width:1024px){.post-hero-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;}}
.post-title{
  font-size:clamp(1.9rem,3.6vw,2.9rem);
  line-height:1.24;
  margin:18px 0 18px;
  letter-spacing:.01em;
}
.post-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:.875rem;color:var(--muted);}
.post-meta time,.post-meta .num{font-variant-numeric:tabular-nums;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(26,23,20,.25);display:inline-block;}
.post-hero-figure{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
  border:1px solid var(--border);
  background:var(--card);
}
.post-hero-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.post-hero-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:14px 18px;
  font-size:.8rem;color:#F7F2E8;
  background:linear-gradient(to top,rgba(26,23,20,.72),rgba(26,23,20,0));
}

/* ------- article body ------- */
.article-section{padding:56px 0 24px;}
@media (min-width:768px){.article-section{padding:72px 0 32px;}}
.article-body{
  max-width:50rem;
  margin:0 auto;
  font-size:1.0625rem;
  line-height:1.88;
  color:var(--text);
}
.article-body p{margin:0 0 1.15em;}
.article-body h2{
  font-size:clamp(1.45rem,2.4vw,1.95rem);
  line-height:1.35;
  margin:2.1em 0 .8em;
  padding-left:14px;
  border-left:4px solid var(--clay);
}
.article-body h3{font-size:1.22rem;margin:1.8em 0 .6em;}
.article-body h4{font-size:1.05rem;margin:1.5em 0 .5em;color:var(--pine);}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.3em;}
.article-body ul{list-style:none;padding-left:1.2em;}
.article-body ul>li{position:relative;margin-bottom:.5em;}
.article-body ul>li::before{
  content:"";position:absolute;left:-1.1em;top:.72em;
  width:6px;height:6px;border-radius:2px;background:var(--bronze);
}
.article-body ol>li{margin-bottom:.5em;}
.article-body blockquote{
  margin:1.6em 0;
  padding:1.1em 1.4em;
  background:var(--paper-2);
  border-left:3px solid var(--pine);
  border-radius:0 12px 12px 0;
  color:#3D362F;
  font-size:1rem;
}
.article-body img{
  width:100%;
  border-radius:16px;
  margin:1.5em 0;
  box-shadow:var(--shadow);
}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:.85rem;color:var(--muted);text-align:center;margin-top:10px;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:.95rem;
  background:var(--card);
  border-radius:12px;
  overflow:hidden;
}
.article-body th,.article-body td{border:1px solid var(--border);padding:12px 14px;text-align:left;}
.article-body th{background:var(--paper-2);font-weight:700;color:var(--ink);}
.article-body a{color:var(--pine);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--clay);}
.article-body code{background:rgba(46,93,80,.1);color:var(--pine);padding:2px 6px;border-radius:6px;font-size:.9em;}
.article-body pre{
  background:#221E1A;color:#F2E9DA;padding:18px 20px;border-radius:14px;
  overflow-x:auto;font-size:.9rem;line-height:1.7;margin:1.6em 0;
}
.article-body hr{border:none;border-top:1px solid var(--border);margin:2.4em 0;}
.article-body strong{color:var(--ink);}

.empty-state{
  background:var(--card);
  border:1px dashed rgba(26,23,20,.2);
  border-radius:var(--r-card);
  padding:48px 32px;
  text-align:center;
  box-shadow:var(--shadow);
}
.empty-state h2{font-size:1.5rem;margin-bottom:12px;}
.empty-state p{color:var(--muted);max-width:34em;margin:0 auto 24px;}

/* ------- related cards ------- */
.section{padding:60px 0;}
@media (min-width:768px){.section{padding:80px 0;}}
.section-soft{background:var(--paper-2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:36px;}
.section-head h2{font-size:clamp(1.5rem,2.8vw,2.2rem);}
.section-head p{color:var(--muted);font-size:.95rem;margin-top:10px;max-width:52ch;}
.rec-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:768px){.rec-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.rec-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.rec-thumb{display:block;overflow:hidden;aspect-ratio:16/9;background:var(--paper-2);}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.rec-card:hover .rec-thumb img{transform:scale(1.03);}
.rec-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.rec-body h3{font-size:1.12rem;line-height:1.45;}
.rec-body h3 a:hover{color:var(--clay);}
.rec-body p{font-size:.9rem;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.rec-meta{font-size:.8rem;color:var(--muted);font-variant-numeric:tabular-nums;margin-top:auto;}

/* ------- topic list ------- */
.topic-list{display:grid;grid-template-columns:1fr;gap:14px;}
@media (min-width:768px){.topic-list{grid-template-columns:repeat(2,minmax(0,1fr));}}
.topic-item{
  display:flex;align-items:center;gap:16px;
  padding:18px 22px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:14px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.topic-item:hover{transform:translateY(-3px);border-color:rgba(180,74,42,.4);box-shadow:var(--shadow);}
.topic-num{
  font-family:var(--font-serif);
  font-size:1.05rem;font-weight:800;color:var(--bronze);
  font-variant-numeric:tabular-nums;
  min-width:2.2em;
}
.topic-item h3{font-size:1rem;margin-bottom:4px;}
.topic-item span.desc{font-size:.85rem;color:var(--muted);}
.topic-arrow{margin-left:auto;color:var(--clay);font-weight:700;transition:transform .25s ease;}
.topic-item:hover .topic-arrow{transform:translateX(4px);}

/* ------- CTA band ------- */
.cta-band{
  background:
    linear-gradient(115deg,rgba(26,23,20,.96) 0%,rgba(26,23,20,.9) 55%,rgba(46,93,80,.88) 100%),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  color:#F7F2E8;
  border-radius:24px;
  padding:44px 32px;
  display:grid;
  gap:32px;
  grid-template-columns:1fr;
  align-items:center;
  box-shadow:var(--shadow-lg);
}
@media (min-width:1024px){.cta-band{grid-template-columns:minmax(0,6fr) minmax(0,4fr);padding:56px 52px;}}
.cta-band h2{color:#FFF8EF;font-size:clamp(1.5rem,2.6vw,2.1rem);}
.cta-band p{color:rgba(247,242,232,.75);margin-top:14px;font-size:.95rem;line-height:1.85;}

/* ------- forms ------- */
.field-row{display:flex;gap:10px;flex-wrap:wrap;}
.input{
  flex:1 1 160px;
  min-width:0;
  padding:11px 14px;
  border-radius:var(--r-input);
  border:1px solid rgba(247,242,232,.22);
  background:rgba(247,242,232,.08);
  color:#F7F2E8;
  font-size:.9rem;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.input::placeholder{color:rgba(247,242,232,.45);}
.input:focus{outline:none;border-color:var(--bronze-soft);box-shadow:0 0 0 3px rgba(185,138,60,.25);background:rgba(247,242,232,.12);}
.form-msg{font-size:.82rem;margin-top:10px;min-height:1.2em;}
.form-msg.error{color:#F0A088;}
.form-msg.success{color:#93C9B0;}

/* ------- footer ------- */
.site-footer{background:var(--ink);color:#EFE7D8;padding:64px 0 28px;margin-top:0;}
.footer-brand{font-family:var(--font-serif);font-size:1.15rem;font-weight:900;color:#F7F2E8;letter-spacing:.06em;}
.footer-desc{color:rgba(247,242,232,.66);font-size:.9rem;line-height:1.85;margin-top:12px;}
.site-footer h3{font-family:var(--font-serif);font-size:1rem;color:#F7F2E8;font-weight:700;letter-spacing:.04em;}
.footer-link{display:block;color:rgba(247,242,232,.7);font-size:.9rem;padding:6px 0;transition:color .2s ease,transform .2s ease;}
.footer-link:hover{color:var(--bronze-soft);transform:translateX(3px);}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(247,242,232,.14);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:.82rem;color:rgba(247,242,232,.55);
}
.footer-bottom a{color:rgba(247,242,232,.75);text-decoration:underline;text-underline-offset:3px;}
.footer-bottom a:hover{color:var(--bronze-soft);}
@media (max-width:520px){
  .post-hero{padding:36px 0 44px;}
  .cta-band{padding:32px 22px;border-radius:18px;}
  .btn{width:100%;}
  .field-row .btn{width:100%;}
  .rec-body{padding:18px;}
}

/* roulang page: category1 */
:root{
  --clay:#B44A2A;
  --clay-dark:#963A1F;
  --pine:#2E5D50;
  --bronze:#B98A3C;
  --paper:#F7F2E8;
  --paper-2:#EFE7D8;
  --ink:#1A1714;
  --text:#2B2622;
  --muted:#6B625A;
  --line:rgba(26,23,20,.12);
  --r-card:18px;
  --r-btn:12px;
  --r-input:10px;
  --shadow:0 10px 30px rgba(26,23,20,.08);
  --shadow-lg:0 18px 44px rgba(26,23,20,.14);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
ul{margin:0;padding:0;list-style:none;}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);line-height:1.25;margin:0;font-weight:800;}
h1{font-size:clamp(2.2rem,5vw,4rem);line-height:1.18;letter-spacing:-.01em;}
h2{font-size:clamp(1.6rem,3vw,2.4rem);}
h3{font-size:1.25rem;font-weight:700;}
.container{max-width:1200px;margin:0 auto;padding:0 16px;width:100%;}
@media(min-width:768px){.container{padding:0 24px;}}
@media(min-width:1024px){.container{padding:0 32px;}}
.section{padding:64px 0;}
@media(min-width:768px){.section{padding:88px 0;}}
.section-soft{background:var(--paper-2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.82rem;font-weight:700;letter-spacing:.14em;color:var(--clay);
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--clay);border-radius:2px;}
.eyebrow-light{color:var(--bronze);}
.eyebrow-light::before{background:var(--bronze);}
.lead{font-size:1.05rem;color:var(--muted);line-height:1.9;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,242,232,.95);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-grid{
  display:grid;
  grid-template-columns:44px 1fr 44px;
  align-items:center;
  gap:10px;
  min-height:74px;
}
.nav-side{display:none;}
.brand{
  grid-column:2;
  text-align:center;
  font-family:var(--serif);
  font-size:1.02rem;
  font-weight:900;
  color:var(--ink);
  line-height:1.25;
  letter-spacing:.01em;
}
.brand span{color:var(--clay);}
.nav-toggle{
  grid-column:3;
  justify-self:end;
  width:44px;height:44px;
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  background:transparent;
  border:1px solid var(--line);
  border-radius:10px;
  cursor:pointer;
  transition:.25s;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.3s;}
.nav-toggle[aria-expanded="true"]{background:rgba(180,74,42,.09);border-color:rgba(180,74,42,.35);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-menu{
  max-height:0;overflow:hidden;
  transition:max-height .4s ease;
  border-top:1px solid transparent;
  background:rgba(247,242,232,.98);
}
.mobile-menu.open{max-height:620px;border-top-color:var(--line);}
.mobile-menu .container{padding-top:10px;padding-bottom:22px;}
.mobile-link{
  display:flex;align-items:center;
  min-height:46px;padding:10px 4px;
  border-bottom:1px solid var(--line);
  font-size:1rem;color:var(--text);
  transition:.2s;
}
.mobile-link:hover{color:var(--clay);}
.mobile-link.active{color:var(--clay);font-weight:700;}
@media(min-width:1024px){
  .nav-grid{grid-template-columns:1fr auto 1fr;min-height:86px;gap:16px;}
  .nav-side{display:flex;align-items:center;gap:6px;grid-column:1;}
  .nav-side.left{grid-column:1;justify-content:flex-start;}
  .nav-side.right{grid-column:3;justify-content:flex-end;}
  .brand{grid-column:2;font-size:1.28rem;white-space:nowrap;}
  .nav-toggle{display:none;}
  .mobile-menu{display:none;}
}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  padding:10px 13px;min-height:44px;
  font-size:.95rem;font-weight:500;color:var(--text);
  border-radius:10px;
  transition:color .25s,background .25s;
}
.nav-link:hover{color:var(--clay);background:rgba(180,74,42,.08);}
.nav-link.active{color:var(--clay);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;
  height:2px;background:var(--clay);border-radius:2px;
}
.nav-cta{margin-left:10px;padding:11px 20px;font-size:.92rem;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 24px;
  border-radius:var(--r-btn);
  font-size:.95rem;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .25s ease,background .25s,box-shadow .25s,color .25s,border-color .25s;
}
.btn-primary{background:var(--clay);color:#FDF8F1;box-shadow:0 8px 20px rgba(180,74,42,.24);}
.btn-primary:hover{background:var(--clay-dark);transform:translateY(-2px);box-shadow:0 14px 28px rgba(180,74,42,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border-color:rgba(26,23,20,.28);}
.btn-ghost:hover{background:rgba(180,74,42,.08);border-color:var(--clay);color:var(--clay);transform:translateY(-2px);}
.btn-light{background:#F7F2E8;color:var(--ink);}
.btn-light:hover{background:#fff;transform:translateY(-2px);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--clay);outline-offset:2px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(247,242,232,.97) 0%,rgba(247,242,232,.92) 42%,rgba(239,231,216,.74) 100%);
}
.hero-inner{position:relative;z-index:2;padding:56px 0 64px;}
@media(min-width:768px){.hero-inner{padding:76px 0 88px;}}
.hero-sub{font-size:1.06rem;color:var(--muted);line-height:1.9;max-width:36em;margin-top:20px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;}
.hero-img{
  width:100%;border-radius:var(--r-card);
  border:1px solid rgba(26,23,20,.1);
  box-shadow:var(--shadow-lg);
  object-fit:cover;
  aspect-ratio:4/3;
}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  font-size:.8rem;font-weight:600;line-height:1.6;
  background:rgba(46,93,80,.10);
  color:var(--pine);
  border:1px solid rgba(46,93,80,.18);
}
.tag-clay{background:rgba(180,74,42,.10);color:var(--clay);border-color:rgba(180,74,42,.22);}
.tag-bronze{background:rgba(185,138,60,.12);color:#8C6624;border-color:rgba(185,138,60,.3);}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow);
}
@media(min-width:768px){.stat-strip{grid-template-columns:repeat(4,1fr);}}
.stat{background:#fff;padding:26px 22px;}
.stat-num{font-family:var(--serif);font-size:clamp(1.7rem,3vw,2.3rem);font-weight:900;color:var(--clay);line-height:1;letter-spacing:-.02em;}
.stat-label{font-size:.88rem;color:var(--muted);margin-top:10px;line-height:1.7;}
.stat-note{font-size:.82rem;color:var(--muted);margin-top:14px;}

/* ---------- 图文与清单 ---------- */
.panel-img{
  width:100%;border-radius:var(--r-card);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  object-fit:cover;
  aspect-ratio:16/10;
  margin-top:26px;
}
.check-list li{
  position:relative;padding-left:28px;margin-bottom:14px;
  line-height:1.85;color:var(--text);
}
.check-list li::before{
  content:"";position:absolute;left:2px;top:11px;
  width:9px;height:9px;border-radius:2px;
  background:var(--pine);transform:rotate(45deg);opacity:.9;
}
.check-list li strong{color:var(--ink);font-weight:700;}

/* ---------- 对比卡 ---------- */
.compare{display:grid;gap:20px;}
@media(min-width:768px){.compare{grid-template-columns:1fr 1fr;}}
.compare-col{border-radius:var(--r-card);padding:28px;border:1px solid var(--line);background:#fff;}
.compare-col.before{background:var(--paper-2);box-shadow:none;}
.compare-col.after{border-color:rgba(180,74,42,.35);box-shadow:0 14px 34px rgba(180,74,42,.10);}
.compare-col h3{margin-bottom:16px;}
.compare-list li{
  position:relative;padding-left:20px;margin-bottom:12px;
  font-size:.95rem;line-height:1.8;color:var(--text);
}
.compare-list li::before{
  content:"";position:absolute;left:0;top:12px;
  width:9px;height:1.5px;background:var(--muted);
}
.compare-col.after .compare-list li::before{background:var(--clay);height:2px;}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;gap:22px;}
@media(min-width:640px){.scene-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.scene-grid{grid-template-columns:repeat(3,1fr);}}
.scene{border-left:3px solid var(--pine);padding:6px 0 6px 18px;}
.scene h3{font-size:1.06rem;margin-bottom:8px;}
.scene p{font-size:.92rem;color:var(--muted);line-height:1.8;margin:0;}

/* ---------- 步骤 ---------- */
.steps{display:grid;gap:16px;}
.step{
  display:grid;grid-template-columns:52px 1fr;gap:18px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow);
  transition:transform .3s,box-shadow .3s;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.step-num{font-family:var(--serif);font-size:1.55rem;font-weight:900;color:var(--bronze);line-height:1;}
.step h3{margin-bottom:8px;}
.step p{margin:0;font-size:.94rem;color:var(--muted);line-height:1.8;}

/* ---------- 引言 ---------- */
.quotes{display:grid;gap:20px;}
@media(min-width:768px){.quotes{grid-template-columns:repeat(3,1fr);}}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:14px;
  transition:transform .3s,box-shadow .3s;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.quote-mark{font-family:var(--serif);font-size:2.6rem;line-height:.7;color:rgba(185,138,60,.6);}
.quote-card p{margin:0;font-size:.95rem;line-height:1.85;color:var(--text);}
.quote-from{font-size:.85rem;color:var(--muted);border-top:1px solid var(--line);padding-top:12px;}

/* ---------- FAQ ---------- */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:10px 28px;box-shadow:var(--shadow);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;min-height:44px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;background:none;border:0;cursor:pointer;text-align:left;
  font-family:var(--serif);font-size:1.08rem;font-weight:700;color:var(--ink);
  transition:color .25s;
}
.faq-q:hover{color:var(--clay);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);
  display:grid;place-items:center;
  font-family:var(--sans);font-size:1rem;font-weight:400;color:var(--muted);
  transition:transform .3s,background .3s,color .3s,border-color .3s;
}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg);background:var(--clay);color:#fff;border-color:var(--clay);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a-inner{padding:0 0 22px;font-size:.96rem;line-height:1.85;color:var(--muted);max-width:56em;}

/* ---------- CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;
  background:linear-gradient(150deg,#241E19 0%,var(--ink) 62%);
  color:#EFE7D8;
  padding:64px 0;
}
@media(min-width:768px){.cta-block{padding:84px 0;}}
.cta-block::after{
  content:"";position:absolute;right:-90px;top:-90px;
  width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(185,138,60,.22),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;gap:34px;align-items:center;}
@media(min-width:1024px){.cta-inner{grid-template-columns:1.1fr .9fr;gap:52px;}}
.cta-block h2{color:#F7F2E8;}
.cta-block p{color:rgba(239,231,216,.76);line-height:1.9;}
.cta-block .input{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(239,231,216,.22);
  color:#F7F2E8;
}
.cta-block .input::placeholder{color:rgba(239,231,216,.48);}

/* ---------- 表单 ---------- */
.field-row{display:flex;gap:10px;flex-wrap:wrap;}
.input{
  flex:1 1 190px;min-width:0;min-height:46px;
  padding:12px 14px;border-radius:var(--r-input);
  background:#fff;border:1px solid var(--line);color:var(--text);
  transition:border-color .25s,box-shadow .25s,background .25s;
}
.input::placeholder{color:rgba(107,98,90,.7);}
.input:focus{outline:none;border-color:var(--clay);box-shadow:0 0 0 3px rgba(180,74,42,.18);}
.form-msg{font-size:.86rem;margin:10px 0 0;min-height:20px;color:var(--bronze);}
.form-msg.err{color:#C2503A;}
.form-msg.ok{color:var(--bronze);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);color:#EFE7D8;
  padding:64px 0 26px;
}
.site-footer h3{
  color:#F7F2E8;font-size:1.05rem;font-weight:700;
  margin-bottom:6px;letter-spacing:.02em;
}
.footer-brand{
  font-family:var(--serif);font-size:1.28rem;font-weight:900;
  color:#F7F2E8;line-height:1.35;
}
.footer-desc{color:rgba(239,231,216,.7);font-size:.92rem;line-height:1.85;margin:14px 0 0;}
.footer-link{
  display:block;padding:7px 0;
  font-size:.94rem;color:rgba(239,231,216,.78);
  transition:color .2s;
}
.footer-link:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--clay);text-decoration-thickness:2px;text-underline-offset:4px;}
.site-footer .input{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(239,231,216,.22);
  color:#F7F2E8;
}
.site-footer .input::placeholder{color:rgba(239,231,216,.48);}
.footer-bottom{
  margin-top:48px;padding-top:20px;
  border-top:1px solid rgba(239,231,216,.16);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:.85rem;color:rgba(239,231,216,.6);
}
.footer-bottom a{color:var(--bronze);}
.footer-bottom a:hover{color:#F7F2E8;text-decoration:underline;text-underline-offset:3px;}

/* ---------- 装饰 ---------- */
.seal{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:6px;
  border:1.5px solid rgba(180,74,42,.5);
  color:var(--clay);font-family:var(--serif);font-size:.82rem;font-weight:700;
  line-height:1;
}
.divider{height:1px;background:var(--line);margin:0;}

/* roulang page: category2 */
:root{
    --clay:#B44A2A;
    --pine:#2E5D50;
    --bronze:#B98A3C;
    --paper:#F7F2E8;
    --paper-2:#EFE7D8;
    --ink:#1A1714;
    --text:#2B2622;
    --muted:#6B625A;
    --border:rgba(26,23,20,.12);
    --border-strong:rgba(26,23,20,.22);
    --card-r:18px;
    --btn-r:12px;
    --shadow:0 10px 30px rgba(26,23,20,.08);
    --shadow-lg:0 18px 44px rgba(26,23,20,.15);
    --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
    --sans:"Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--paper);
    color:var(--text);
    font-family:var(--sans);
    font-size:16px;
    line-height:1.8;
    font-weight:400;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    background:
      radial-gradient(circle at 12% 8%, rgba(185,138,60,.06), transparent 42%),
      radial-gradient(circle at 88% 76%, rgba(46,93,80,.05), transparent 46%);
  }
  a{color:inherit;text-decoration:none}
  a:hover{color:var(--clay)}
  img{max-width:100%;display:block}
  button{font-family:inherit}
  h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);font-weight:800;line-height:1.25;margin:0}
  p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:4px}

  .container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){.container{padding:0 28px}}
  @media (min-width:1280px){.container{padding:0 32px}}

  .section{padding:64px 0;position:relative;z-index:1}
  @media (min-width:768px){.section{padding:96px 0}}
  .section-alt{background:var(--paper-2)}
  .eyebrow{
    display:inline-flex;align-items:center;gap:10px;
    font-size:.8125rem;letter-spacing:.16em;color:var(--pine);
    font-weight:700;text-transform:none;
  }
  .eyebrow::before{content:"";width:22px;height:1px;background:var(--bronze)}
  .section-title{font-size:clamp(1.6rem,3vw,2.4rem);letter-spacing:.01em}
  .section-lead{color:var(--muted);font-size:1rem;max-width:62ch;margin-top:14px;line-height:1.85}
  .rule{height:1px;background:linear-gradient(90deg,var(--border),rgba(26,23,20,0));border:0;margin:0}

  /* ---------- Header / Nav ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(247,242,232,.94);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--border);
  }
  .nav-wrap{
    display:grid;
    grid-template-columns:1fr auto 1fr;
    align-items:center;
    gap:22px;
    min-height:84px;
  }
  .nav-side{display:flex;align-items:center;gap:24px}
  .nav-side.right{justify-content:flex-end}
  .nav-link{
    position:relative;
    font-size:.9375rem;
    font-weight:500;
    color:var(--text);
    padding:6px 2px;
    white-space:nowrap;
    transition:color .2s ease;
  }
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
    background:var(--clay);transform:scaleX(0);transform-origin:left;
    transition:transform .25s ease;
  }
  .nav-link:hover{color:var(--clay)}
  .nav-link:hover::after{transform:scaleX(1)}
  .nav-link.active{color:var(--clay);font-weight:700}
  .nav-link.active::after{transform:scaleX(1)}
  .brand{text-align:center;line-height:1.2;display:inline-block}
  .brand-mark{
    display:block;
    font-family:var(--serif);
    font-weight:900;
    font-size:1.0625rem;
    color:var(--ink);
    letter-spacing:.06em;
  }
  .brand-mark em{font-style:normal;color:var(--clay)}
  .brand-sub{
    display:block;margin-top:4px;font-size:.6875rem;letter-spacing:.24em;
    color:var(--muted);font-weight:500;
  }
  .nav-toggle{
    display:none;
    width:46px;height:46px;border-radius:12px;
    border:1px solid var(--border);background:#fff;
    align-items:center;justify-content:center;
    cursor:pointer;color:var(--ink);
  }
  .nav-toggle span{display:block;width:19px;height:2px;background:var(--ink);position:relative;transition:.25s}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:19px;height:2px;background:var(--ink);transition:.25s;
  }
  .nav-toggle span::before{top:-6px}
  .nav-toggle span::after{top:6px}
  .nav-toggle[aria-expanded="true"] span{background:transparent}
  .nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}
  .mobile-panel{
    display:none;
    border-top:1px solid var(--border);
    background:var(--paper);
    padding:14px 0 22px;
  }
  .mobile-panel.open{display:block}
  .mobile-panel a{
    display:flex;align-items:center;min-height:48px;
    padding:0 4px;border-bottom:1px dashed var(--border);
    font-size:.9375rem;color:var(--text);
  }
  .mobile-panel a.active{color:var(--clay);font-weight:700}

  @media (max-width:1023px){
    .nav-wrap{display:flex;justify-content:space-between;min-height:70px;gap:12px}
    .nav-side{display:none}
    .nav-toggle{display:inline-flex;order:3}
    .brand{order:1;text-align:left}
    .brand-mark{font-size:1rem}
    .brand-sub{letter-spacing:.16em}
  }

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:46px;padding:0 22px;border-radius:var(--btn-r);
    font-size:.9375rem;font-weight:700;font-family:var(--sans);
    border:1px solid transparent;cursor:pointer;
    transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  }
  .btn-primary{background:var(--clay);color:#FFF9F1;box-shadow:0 8px 20px rgba(180,74,42,.24)}
  .btn-primary:hover{background:#9E3E22;transform:translateY(-2px);box-shadow:0 14px 28px rgba(180,74,42,.3);color:#FFF9F1}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{background:rgba(180,74,42,.06);border-color:var(--clay);color:var(--clay)}
  .btn-ghost:hover{background:rgba(180,74,42,.13);transform:translateY(-2px);color:var(--clay)}
  .btn-light{background:#FFF9F1;color:var(--ink);border-color:rgba(255,249,241,.5)}
  .btn-light:hover{background:#FFF;transform:translateY(-2px);color:var(--ink)}
  .btn-sm{min-height:40px;padding:0 16px;font-size:.875rem;border-radius:10px}

  /* ---------- Tags & badges ---------- */
  .tag{
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 12px;border-radius:999px;
    font-size:.75rem;font-weight:700;letter-spacing:.04em;
    background:rgba(46,93,80,.1);color:var(--pine);
  }
  .tag-clay{background:rgba(180,74,42,.1);color:var(--clay)}
  .tag-bronze{background:rgba(185,138,60,.14);color:#8A6524}
  .stamp{
    display:inline-flex;align-items:center;justify-content:center;
    width:42px;height:42px;border:1px solid var(--bronze);border-radius:6px;
    color:var(--bronze);font-family:var(--serif);font-weight:800;font-size:.875rem;
  }

  /* ---------- Hero ---------- */
  .hero{position:relative;overflow:hidden;border-bottom:1px solid var(--border)}
  .hero-bg{
    position:absolute;inset:0;
    background-size:cover;background-position:center;
    opacity:.34;
  }
  .hero-veil{
    position:absolute;inset:0;
    background:linear-gradient(115deg,rgba(247,242,232,.96) 0%,rgba(247,242,232,.86) 46%,rgba(239,231,216,.72) 100%);
  }
  .hero-inner{position:relative;z-index:1;padding:56px 0 64px}
  @media (min-width:768px){.hero-inner{padding:82px 0 96px}}
  .hero h1{
    font-size:clamp(2.1rem,5vw,3.6rem);
    line-height:1.2;letter-spacing:.005em;
    margin-top:18px;
  }
  .hero h1 .hl{color:var(--clay)}
  .hero-sub{margin-top:20px;font-size:1.0625rem;color:#4A423B;max-width:52ch;line-height:1.85}
  .hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
  .hero-facts{display:flex;flex-wrap:wrap;gap:26px;margin-top:38px;padding-top:24px;border-top:1px solid var(--border)}
  .hero-fact b{display:block;font-family:var(--serif);font-size:1.5rem;color:var(--ink);line-height:1.2}
  .hero-fact span{font-size:.8125rem;color:var(--muted)}
  .hero-figure{
    position:relative;border-radius:var(--card-r);overflow:hidden;
    border:1px solid var(--border);box-shadow:var(--shadow-lg);background:#fff;
  }
  .hero-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
  .hero-note{
    position:absolute;left:18px;right:18px;bottom:18px;
    background:rgba(26,23,20,.86);color:#F7F2E8;
    border-radius:14px;padding:16px 18px;border:1px solid rgba(247,242,232,.16);
  }
  .hero-note strong{display:block;font-family:var(--serif);font-size:1rem;color:#FFF9F1}
  .hero-note p{font-size:.8125rem;color:rgba(247,242,232,.78);margin-top:6px;line-height:1.7}

  /* ---------- Cards ---------- */
  .card{
    background:#fff;border:1px solid var(--border);border-radius:var(--card-r);
    box-shadow:var(--shadow);padding:26px;
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--border-strong)}
  .card h3{font-size:1.25rem}
  .card p{color:var(--muted);font-size:.9375rem;margin-top:10px;line-height:1.8}
  .card-media{border-radius:14px;overflow:hidden;border:1px solid var(--border)}
  .card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
  .card:hover .card-media img{transform:scale(1.03)}

  .num-card{
    position:relative;background:#fff;border:1px solid var(--border);
    border-radius:var(--card-r);padding:24px;box-shadow:var(--shadow);
  }
  .num-card .idx{
    font-family:var(--serif);font-size:1.5rem;font-weight:900;color:var(--bronze);
    display:inline-block;line-height:1;
  }
  .num-card h3{font-size:1.0625rem;margin-top:14px}
  .num-card p{color:var(--muted);font-size:.875rem;margin-top:8px;line-height:1.75}

  /* ---------- Timeline / steps ---------- */
  .timeline{position:relative;margin-top:42px}
  .timeline::before{
    content:"";position:absolute;top:26px;left:8px;right:8px;height:1px;
    background:repeating-linear-gradient(90deg,var(--border-strong) 0 12px,transparent 12px 22px);
  }
  .timeline-grid{position:relative;display:grid;gap:22px;grid-template-columns:repeat(5,minmax(0,1fr))}
  .step{background:transparent;padding-top:0}
  .step .dot{
    width:52px;height:52px;border-radius:50%;background:var(--paper);
    border:1px solid var(--border-strong);
    display:flex;align-items:center;justify-content:center;
    font-family:var(--serif);font-weight:900;color:var(--clay);font-size:1rem;
    box-shadow:0 6px 16px rgba(26,23,20,.06);
  }
  .step h3{font-size:1.0625rem;margin-top:18px}
  .step p{color:var(--muted);font-size:.875rem;margin-top:8px;line-height:1.78}
  .step .step-tag{margin-top:12px;font-size:.75rem;color:var(--pine);font-weight:700}

  @media (max-width:1023px){
    .timeline::before{display:none}
    .timeline-grid{
      display:flex;gap:18px;overflow-x:auto;padding-bottom:12px;
      scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
    }
    .step{
      flex:0 0 78%;scroll-snap-align:start;
      background:#fff;border:1px solid var(--border);border-radius:var(--card-r);
      padding:22px;box-shadow:var(--shadow);
    }
    .step .dot{background:var(--paper-2)}
  }
  @media (max-width:520px){.step{flex:0 0 88%}}

  /* ---------- Compare ---------- */
  .compare{
    display:grid;gap:22px;grid-template-columns:repeat(2,minmax(0,1fr));
    margin-top:36px;
  }
  @media (max-width:767px){.compare{grid-template-columns:1fr}}
  .compare-col{
    border-radius:var(--card-r);padding:28px;border:1px solid var(--border);
    background:#fff;box-shadow:var(--shadow);
  }
  .compare-col.after{border-color:rgba(46,93,80,.34);background:linear-gradient(180deg,#FFFFFF,rgba(46,93,80,.05))}
  .compare-col h3{font-size:1.25rem}
  .compare-col .compare-kicker{
    font-size:.75rem;letter-spacing:.16em;color:var(--muted);font-weight:700;
  }
  .compare-col.after .compare-kicker{color:var(--pine)}
  .compare-list{margin-top:18px;display:grid;gap:12px}
  .compare-list li{
    display:flex;gap:10px;align-items:flex-start;
    font-size:.9375rem;color:#3C362F;line-height:1.7;
    padding-bottom:12px;border-bottom:1px dashed var(--border);
  }
  .compare-list li:last-child{border-bottom:0;padding-bottom:0}
  .compare-list .mk{
    flex:0 0 auto;width:20px;height:20px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    font-size:.6875rem;font-weight:800;margin-top:3px;
  }
  .before-list .mk{background:rgba(107,98,90,.14);color:var(--muted)}
  .after-list .mk{background:rgba(46,93,80,.14);color:var(--pine)}

  /* ---------- Rating bars ---------- */
  .rating-list{margin-top:30px;display:grid;gap:18px;max-width:760px}
  .rating-row .rating-top{display:flex;justify-content:space-between;align-items:baseline;gap:12px;font-size:.9375rem}
  .rating-row .rating-top b{color:var(--ink);font-weight:700}
  .rating-row .rating-top span{color:var(--muted);font-size:.8125rem}
  .rating-track{
    margin-top:8px;height:9px;border-radius:999px;background:rgba(26,23,20,.08);overflow:hidden;
  }
  .rating-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--clay),var(--bronze))}
  .rating-fill.pine{background:linear-gradient(90deg,var(--pine),#5C8E7E)}

  /* ---------- Stats strip ---------- */
  .stats-strip{
    display:grid;gap:1px;background:var(--border);
    border:1px solid var(--border);border-radius:var(--card-r);overflow:hidden;
    grid-template-columns:repeat(4,minmax(0,1fr));margin-top:34px;
  }
  @media (max-width:900px){.stats-strip{grid-template-columns:repeat(2,minmax(0,1fr))}}
  .stat{background:#fff;padding:26px 22px}
  .stat b{display:block;font-family:var(--serif);font-size:clamp(1.6rem,3vw,2.1rem);color:var(--clay);line-height:1.1}
  .stat strong{display:block;margin-top:8px;font-size:.9375rem;color:var(--ink);font-weight:700}
  .stat span{display:block;margin-top:6px;font-size:.8125rem;color:var(--muted);line-height:1.7}

  /* ---------- Deliver list ---------- */
  .deliver-grid{display:grid;gap:20px;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:34px}
  @media (max-width:1023px){.deliver-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media (max-width:639px){.deliver-grid{grid-template-columns:1fr}}
  .deliver-item{
    background:#fff;border:1px solid var(--border);border-left:3px solid var(--bronze);
    border-radius:14px;padding:22px;box-shadow:0 6px 18px rgba(26,23,20,.05);
    transition:transform .22s ease,box-shadow .22s ease;
  }
  .deliver-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
  .deliver-item h3{font-size:1.0625rem}
  .deliver-item p{color:var(--muted);font-size:.875rem;margin-top:8px;line-height:1.78}

  /* ---------- FAQ ---------- */
  .faq-list{margin-top:34px;border-top:1px solid var(--border)}
  .faq-item{border-bottom:1px solid var(--border)}
  .faq-q{
    width:100%;background:transparent;border:0;text-align:left;cursor:pointer;
    display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:22px 4px;font-family:var(--serif);font-weight:700;
    font-size:1.0625rem;color:var(--ink);line-height:1.5;
  }
  .faq-q:hover{color:var(--clay)}
  .faq-q .chev{
    flex:0 0 auto;width:26px;height:26px;border-radius:50%;
    border:1px solid var(--border-strong);position:relative;
    transition:transform .3s ease,background-color .3s ease,border-color .3s ease;
  }
  .faq-q .chev::before,.faq-q .chev::after{
    content:"";position:absolute;top:50%;left:50%;width:11px;height:2px;
    background:var(--muted);transform:translate(-50%,-50%);transition:background-color .3s ease;
  }
  .faq-q .chev::after{transform:translate(-50%,-50%) rotate(90deg)}
  .faq-item.open .faq-q{color:var(--clay)}
  .faq-item.open .chev{transform:rotate(180deg);background:var(--clay);border-color:var(--clay)}
  .faq-item.open .chev::before,.faq-item.open .chev::after{background:#FFF9F1}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease}
  .faq-item.open .faq-a{max-height:460px}
  .faq-a-inner{padding:0 4px 24px;color:var(--muted);font-size:.9688rem;line-height:1.85;max-width:70ch}

  /* ---------- CTA ---------- */
  .cta-block{
    background:var(--ink);color:#F3ECE0;border-radius:24px;padding:38px 30px;
    position:relative;overflow:hidden;border:1px solid rgba(247,242,232,.1);
  }
  @media (min-width:768px){.cta-block{padding:56px 52px}}
  .cta-block::after{
    content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
    background:radial-gradient(circle,rgba(185,138,60,.22),transparent 68%);
  }
  .cta-block h2{color:#FFF9F1;font-size:clamp(1.6rem,3vw,2.2rem)}
  .cta-block p{color:rgba(243,236,224,.76);margin-top:14px;font-size:.9688rem;max-width:50ch}
  .cta-list{margin-top:20px;display:grid;gap:10px}
  .cta-list li{display:flex;gap:10px;align-items:flex-start;font-size:.9375rem;color:rgba(243,236,224,.86)}
  .cta-list li::before{content:"";width:6px;height:6px;margin-top:10px;border-radius:50%;background:var(--bronze);flex:0 0 auto}
  .cta-form-wrap{position:relative;z-index:1;background:rgba(247,242,232,.07);border:1px solid rgba(247,242,232,.16);border-radius:18px;padding:24px}

  /* ---------- Forms ---------- */
  .field-row{display:flex;gap:10px;flex-wrap:wrap}
  .input{
    flex:1 1 200px;min-height:48px;padding:0 16px;border-radius:10px;
    border:1px solid var(--border);background:#fff;color:var(--text);
    font-size:.9375rem;font-family:var(--sans);
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .input::placeholder{color:#9C948C}
  .input:focus{outline:none;border-color:var(--clay);box-shadow:0 0 0 3px rgba(180,74,42,.16)}
  .cta-form-wrap .input{border-color:rgba(247,242,232,.22);background:rgba(255,255,255,.96)}
  .form-msg{margin-top:10px;font-size:.8125rem;min-height:20px}
  .form-msg.ok{color:var(--pine)}
  .form-msg.error{color:var(--clay)}
  .cta-form-wrap .form-msg.ok{color:#9FD3C2}
  .cta-form-wrap .form-msg.error{color:#F0A48B}

  /* ---------- Footer ---------- */
  .site-footer{
    background:var(--ink);color:rgba(243,236,224,.82);
    margin-top:0;padding:64px 0 26px;position:relative;z-index:1;
  }
  .site-footer h3{
    color:#FFF9F1;font-size:1rem;font-family:var(--serif);letter-spacing:.04em;margin:0;
  }
  .footer-brand{
    font-family:var(--serif);font-weight:900;font-size:1.25rem;color:#FFF9F1;
    letter-spacing:.06em;line-height:1.4;
  }
  .footer-desc{color:rgba(243,236,224,.68);font-size:.875rem;line-height:1.85;margin-top:12px;max-width:34ch}
  .footer-link{
    display:block;padding:8px 0;font-size:.9063rem;color:rgba(243,236,224,.8);
    border-bottom:1px dashed rgba(247,242,232,.1);transition:color .2s ease,padding-left .2s ease;
  }
  .footer-link:hover{color:var(--bronze);padding-left:4px}
  .footer-bottom{
    margin-top:44px;padding-top:20px;border-top:1px solid rgba(247,242,232,.14);
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    font-size:.8125rem;color:rgba(243,236,224,.55);
  }
  .footer-bottom a{color:rgba(243,236,224,.75);text-decoration:underline;text-underline-offset:3px}
  .footer-bottom a:hover{color:var(--bronze)}

  /* ---------- Misc ---------- */
  .seal{
    display:inline-flex;align-items:center;gap:8px;
    border:1px solid var(--border-strong);border-radius:8px;
    padding:6px 12px;font-size:.75rem;color:var(--muted);letter-spacing:.1em;
  }
  .vertical-tag{
    writing-mode:vertical-rl;letter-spacing:.28em;font-size:.75rem;color:var(--bronze);
    font-weight:700;
  }
  @media (max-width:767px){.vertical-tag{display:none}}
  .reveal{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
  .reveal.in{opacity:1;transform:none}

/* roulang page: category3 */
:root{
  --clay:#B44A2A;
  --clay-deep:#953A1F;
  --pine:#2E5D50;
  --bronze:#B98A3C;
  --paper:#F7F2E8;
  --paper-2:#EFE7D8;
  --ink:#1A1714;
  --text:#2B2622;
  --muted:#6B625A;
  --line:rgba(26,23,20,.12);
  --shadow-sm:0 4px 14px rgba(26,23,20,.06);
  --shadow:0 10px 30px rgba(26,23,20,.08);
  --shadow-lg:0 20px 48px rgba(26,23,20,.16);
  --r-card:18px;
  --r-btn:12px;
  --r-input:10px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}

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

body.site-body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:1rem;
  line-height:1.8;
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{margin:0;font-family:var(--serif);color:var(--ink);font-weight:800;line-height:1.25;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;}

/* ============ 顶部导航 ============ */
header.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(247,242,232,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-grid{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  min-height:78px;
}
.nav-side{display:flex;align-items:center;gap:4px;}
.nav-side.left{justify-self:start;}
.nav-side.right{justify-self:flex-end;}
a.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 12px;
  border-radius:10px;
  font-size:.94rem;
  font-weight:500;
  color:var(--text);
  white-space:nowrap;
  transition:background .25s ease,color .25s ease;
}
a.nav-link:hover{background:rgba(180,74,42,.08);color:var(--clay);}
a.nav-link.active{color:var(--clay);font-weight:700;}
a.nav-link.active::after{
  content:"";
  position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:var(--bronze);border-radius:2px;
}
a.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:38px;padding:0 16px;margin-left:8px;
  border-radius:10px;
  background:var(--clay);color:#FBF6EC;
  font-size:.88rem;font-weight:600;
  box-shadow:0 6px 16px rgba(180,74,42,.22);
  transition:background .25s ease,transform .25s ease,box-shadow .25s ease;
}
a.nav-cta:hover{background:var(--clay-deep);transform:translateY(-1px);box-shadow:0 10px 22px rgba(180,74,42,.3);}

.nav-right-wrap{justify-self:end;display:flex;align-items:center;gap:14px;}

a.brand{
  justify-self:center;
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--serif);
  font-weight:900;
  font-size:clamp(1rem,2vw,1.22rem);
  letter-spacing:.05em;
  color:var(--ink);
  white-space:nowrap;
}
a.brand .brand-seal{
  flex:0 0 auto;
  width:34px;height:34px;
  border-radius:9px;
  border:1.5px solid var(--clay);
  background:rgba(180,74,42,.06);
  color:var(--clay);
  display:grid;place-items:center;
  font-size:.85rem;font-weight:900;
  letter-spacing:0;
}
a.brand:hover .brand-name{color:var(--clay);}

button.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  transition:border-color .25s ease,box-shadow .25s ease;
}
button.nav-toggle:hover{border-color:var(--clay);box-shadow:var(--shadow-sm);}
button.nav-toggle span{
  display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .3s ease,opacity .3s ease;
}
button.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
button.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
button.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-menu{
  display:none;
  border-top:1px solid var(--line);
  background:var(--paper);
  box-shadow:0 18px 30px rgba(26,23,20,.08);
}
.mobile-menu.open{display:block;}
.mm-inner{padding:12px 0 22px;display:flex;flex-direction:column;}
a.mm-link{
  min-height:48px;
  display:flex;align-items:center;
  padding:0 4px;
  font-size:1rem;
  color:var(--text);
  border-bottom:1px dashed var(--line);
  transition:color .25s ease,padding-left .25s ease;
}
a.mm-link:hover,a.mm-link.active{color:var(--clay);padding-left:10px;}
a.mm-cta{
  margin-top:18px;
  min-height:48px;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--r-btn);
  background:var(--clay);color:#FBF6EC;font-weight:600;
}

/* ============ Hero ============ */
section.hero-cat{
  position:relative;
  overflow:hidden;
  padding:92px 0 84px;
  background:#241F1A url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#F7F2E8;
}
section.hero-cat::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,17,14,.93) 0%,rgba(20,17,14,.80) 48%,rgba(20,17,14,.52) 100%);
}
section.hero-cat > .container{position:relative;z-index:2;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.76rem;letter-spacing:.22em;font-weight:700;
  color:var(--pine);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--bronze);display:block;}
.hero-cat .eyebrow{color:#E7C98A;}

h1.hero-title{
  margin-top:18px;
  font-size:clamp(2.2rem,5vw,4rem);
  line-height:1.16;
  font-weight:900;
  color:#FBF7EF;
  letter-spacing:.01em;
}
h1.hero-title .ht-main{display:block;}
h1.hero-title .ht-sub{
  display:block;
  margin-top:12px;
  font-size:clamp(1rem,2vw,1.4rem);
  font-weight:700;
  letter-spacing:.08em;
  color:var(--bronze);
}
p.hero-sub{
  margin-top:22px;
  max-width:58ch;
  font-size:1.04rem;
  line-height:1.9;
  color:rgba(247,242,232,.82);
}
.hero-actions{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-tags{margin-top:30px;display:flex;flex-wrap:wrap;gap:12px;}
span.hero-tag{
  font-size:.8rem;
  padding:5px 14px;
  border-radius:999px;
  border:1px solid rgba(247,242,232,.3);
  color:rgba(247,242,232,.8);
  background:rgba(247,242,232,.06);
}

.hero-visual{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid rgba(247,242,232,.22);
  box-shadow:var(--shadow-lg);
}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-badge{
  position:absolute;left:18px;bottom:18px;
  display:flex;flex-direction:column;gap:2px;
  padding:12px 18px;
  border-radius:14px;
  background:rgba(247,242,232,.95);
  border-left:3px solid var(--clay);
  box-shadow:var(--shadow);
}
.hero-badge strong{font-family:var(--serif);font-size:1.5rem;line-height:1.1;color:var(--clay);}
.hero-badge span{font-size:.78rem;color:var(--muted);}

/* ============ 通用按钮 ============ */
a.btn,button.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:.95rem;font-weight:600;letter-spacing:.02em;
  white-space:nowrap;
  transition:transform .25s ease,background .25s ease,box-shadow .25s ease,color .25s ease,border-color .25s ease;
}
a.btn-primary,button.btn-primary{background:var(--clay);color:#FBF6EC;box-shadow:0 8px 20px rgba(180,74,42,.24);}
a.btn-primary:hover,button.btn-primary:hover{background:var(--clay-deep);transform:translateY(-2px);box-shadow:0 14px 28px rgba(180,74,42,.32);}
a.btn-ghost,button.btn-ghost{background:rgba(247,242,232,.1);color:#FBF6EC;border-color:rgba(247,242,232,.5);}
a.btn-ghost:hover,button.btn-ghost:hover{background:rgba(180,74,42,.2);border-color:var(--clay);transform:translateY(-2px);}
a.btn-outline{background:rgba(180,74,42,.07);color:var(--clay);border-color:rgba(180,74,42,.4);}
a.btn-outline:hover{background:rgba(180,74,42,.14);border-color:var(--clay);transform:translateY(-2px);}
a.btn-dark{background:var(--ink);color:#F7F2E8;}
a.btn-dark:hover{background:#000;transform:translateY(-2px);box-shadow:0 12px 24px rgba(26,23,20,.24);}

/* ============ 板块通用 ============ */
section.section{padding:64px 0;}
@media (min-width:768px){section.section{padding:96px 0;}}
.bg-soft{background:var(--paper-2);}
.bg-white-plain{background:#FFFDF8;}

.sec-head{max-width:760px;margin-bottom:40px;}
h2.sec-title{margin-top:14px;font-size:clamp(1.6rem,3vw,2.4rem);}
p.sec-desc{margin-top:14px;color:var(--muted);font-size:1rem;line-height:1.88;max-width:64ch;}

.breadcrumb{
  padding:18px 0 0;
  font-size:.84rem;
  color:var(--muted);
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;
}
.breadcrumb a{color:var(--muted);transition:color .25s ease;}
.breadcrumb a:hover{color:var(--clay);}
.breadcrumb span.sep{color:rgba(26,23,20,.3);}

/* ============ 数据条 ============ */
.stats-band{
  background:var(--paper-2);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  padding:42px 0;
}
.stat-item{border-left:2px solid rgba(185,138,60,.5);padding-left:18px;}
.stat-item strong{
  display:block;
  font-family:var(--serif);
  font-size:clamp(1.7rem,2.8vw,2.3rem);
  font-weight:900;
  line-height:1.1;
  color:var(--ink);
}
.stat-item span{display:block;margin-top:8px;font-size:.88rem;color:var(--muted);line-height:1.7;}

/* ============ 案例墙 ============ */
.case-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.case-card{
  grid-column:span 6;
  display:flex;flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease;
}
.case-card.sm{grid-column:span 4;}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.case-media{overflow:hidden;aspect-ratio:16/9;background:var(--paper-2);}
.case-card.sm .case-media{aspect-ratio:4/3;}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease;}
.case-card:hover .case-media img{transform:scale(1.04);}
.case-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1;}
span.case-tag{
  align-self:flex-start;
  padding:4px 12px;
  border-radius:999px;
  font-size:.74rem;
  letter-spacing:.06em;
  color:var(--pine);
  background:rgba(46,93,80,.07);
  border:1px solid rgba(46,93,80,.3);
}
h3.case-title{font-size:1.18rem;line-height:1.5;}
p.case-text{font-size:.93rem;line-height:1.82;color:var(--muted);}
.case-metric{
  margin-top:auto;
  padding-top:14px;
  border-top:1px dashed var(--line);
  display:flex;align-items:baseline;gap:10px;
}
.case-metric strong{font-family:var(--serif);font-size:1.28rem;color:var(--clay);}
.case-metric span{font-size:.82rem;color:var(--muted);}

/* ============ 内容方向列表 ============ */
.pillar-list{border-top:1px solid var(--line);}
.pillar{
  position:relative;
  padding:24px 0 24px 28px;
  border-bottom:1px solid var(--line);
}
.pillar::before{
  content:"";
  position:absolute;left:0;top:26px;bottom:26px;width:2px;
  background:var(--line);
  transition:background .3s ease;
}
.pillar:hover::before{background:var(--clay);}
.pillar-no{
  display:block;
  font-family:var(--serif);
  font-size:.82rem;
  font-weight:800;
  letter-spacing:.2em;
  color:var(--bronze);
  transition:color .3s ease;
}
.pillar:hover .pillar-no{color:var(--clay);}
h3.pillar-title{margin-top:8px;font-size:1.14rem;}
p.pillar-text{margin-top:8px;font-size:.94rem;line-height:1.85;color:var(--muted);max-width:72ch;}

/* ============ 时间线 ============ */
.timeline{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  margin-top:12px;
}
.step{position:relative;padding:0 26px 0 0;}
.step::before{
  content:"";
  position:absolute;top:17px;left:0;right:0;height:1px;
  background:var(--line);
}
.step:last-child::before{right:26px;}
.step-dot{
  position:relative;z-index:2;
  width:36px;height:36px;
  border-radius:50%;
  background:#FFFDF8;
  border:2px solid var(--bronze);
  color:var(--clay);
  display:grid;place-items:center;
  font-family:var(--serif);font-weight:900;font-size:.88rem;
  transition:background .3s ease,color .3s ease,border-color .3s ease;
}
.step:hover .step-dot{background:var(--clay);border-color:var(--clay);color:#fff;}
h3.step-title{margin-top:18px;font-size:1.06rem;}
p.step-text{margin-top:8px;font-size:.92rem;line-height:1.82;color:var(--muted);}

/* ============ 客户原声 ============ */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.quote-card{
  background:#fff;
  border:1px solid var(--line);
  border-left:4px solid var(--pine);
  border-radius:14px;
  padding:26px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.quote-card p.quote-text{font-family:var(--serif);font-size:1.02rem;line-height:1.9;color:var(--ink);}
.quote-meta{margin-top:16px;font-size:.84rem;color:var(--muted);}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
button.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;
  text-align:left;
  font-family:var(--serif);
  font-size:1.06rem;
  font-weight:700;
  color:var(--ink);
  transition:color .25s ease;
}
button.faq-q:hover{color:var(--clay);}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--line);
  display:grid;place-items:center;
  color:var(--pine);
  font-size:1rem;line-height:1;
  transition:transform .3s ease,background .3s ease,color .3s ease,border-color .3s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--clay);border-color:var(--clay);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease;}
.faq-a p{padding:0 4px 24px;font-size:.95rem;line-height:1.86;color:var(--muted);max-width:80ch;}

/* ============ CTA 区块 ============ */
section.cta-band{
  background:var(--ink);
  color:#F3EDE2;
  padding:72px 0;
  position:relative;
  overflow:hidden;
}
section.cta-band::before{
  content:"";
  position:absolute;right:-120px;top:-120px;
  width:360px;height:360px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(185,138,60,.22),transparent 66%);
}
.cta-grid{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
h2.cta-title{color:#FBF7EF;font-size:clamp(1.6rem,2.6vw,2.2rem);}
p.cta-text{margin-top:16px;line-height:1.9;color:rgba(243,237,226,.76);max-width:56ch;}

.form-card{
  background:rgba(247,242,232,.06);
  border:1px solid rgba(247,242,232,.18);
  border-radius:var(--r-card);
  padding:28px;
}
.form-card h3{color:#FBF7EF;font-size:1.1rem;}
p.hint{margin-top:8px;font-size:.89rem;line-height:1.8;color:rgba(243,237,226,.64);}

/* ============ 表单 ============ */
.field-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px;}
input.input{
  flex:1 1 200px;
  min-height:48px;
  padding:0 16px;
  border-radius:var(--r-input);
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
  transition:border-color .25s ease,box-shadow .25s ease;
}
input.input::placeholder{color:#9C938A;}
input.input:focus{outline:none;border-color:var(--clay);box-shadow:0 0 0 3px rgba(180,74,42,.18);}
input.input.is-error{border-color:var(--clay);box-shadow:0 0 0 3px rgba(180,74,42,.2);}
input.input.is-ok{border-color:var(--pine);box-shadow:0 0 0 3px rgba(46,93,80,.18);}
p.form-msg{margin-top:10px;min-height:20px;font-size:.85rem;color:var(--muted);}
p.form-msg.err{color:#E8A28A;}
p.form-msg.ok{color:#8FC7AF;}

/* ============ 页脚 ============ */
footer.site-footer{
  background:var(--ink);
  color:#EDE6DA;
  padding:64px 0 28px;
}
.footer-brand{
  font-family:var(--serif);
  font-size:1.16rem;
  font-weight:900;
  letter-spacing:.05em;
  color:#FBF7EF;
}
footer.site-footer h3{
  font-family:var(--serif);
  font-size:1rem;
  font-weight:700;
  letter-spacing:.04em;
  color:#FBF7EF;
}
p.footer-desc{
  margin-top:14px;
  font-size:.9rem;
  line-height:1.86;
  color:rgba(237,230,218,.66);
  max-width:34ch;
}
a.footer-link{
  display:block;
  margin-top:10px;
  font-size:.9rem;
  color:rgba(237,230,218,.78);
  transition:color .25s ease,transform .25s ease;
}
a.footer-link:hover{color:#E7C98A;transform:translateX(3px);}
footer.site-footer p.form-msg{color:rgba(237,230,218,.68);}
footer.site-footer p.form-msg.err{color:#E8A28A;}
footer.site-footer p.form-msg.ok{color:#8FC7AF;}
.footer-bottom{
  margin-top:52px;
  padding-top:22px;
  border-top:1px solid rgba(247,242,232,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.84rem;
  color:rgba(237,230,218,.6);
}
.footer-bottom a{color:#E7C98A;text-decoration:underline;text-underline-offset:3px;}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-side{display:none;}
  button.nav-toggle{display:flex;}
  .nav-grid{grid-template-columns:1fr auto;min-height:70px;}
  a.brand{justify-self:start;font-size:1rem;}
  .nav-right-wrap{justify-self:end;}
  .case-card,.case-card.sm{grid-column:span 6;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:22px;}
  .timeline{grid-template-columns:repeat(2,1fr);row-gap:36px;}
  .quote-grid{grid-template-columns:1fr;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
}

@media (max-width:767px){
  section.hero-cat{padding:64px 0 60px;}
  h1.hero-title{font-size:clamp(1.9rem,8vw,2.5rem);}
  h1.hero-title .ht-sub{font-size:.98rem;}
  section.section{padding:56px 0;}
  .sec-head{margin-bottom:28px;}
  .case-body{padding:18px 18px 22px;}
  .form-card{padding:22px 18px;}
  .step{padding-right:12px;}
  .footer-bottom{flex-direction:column;}
}

@media (max-width:519px){
  .case-card,.case-card.sm{grid-column:span 12;}
  .stats-grid{grid-template-columns:1fr;gap:18px;}
  .timeline{grid-template-columns:1fr;}
  .step::before{display:none;}
  .hero-actions{gap:10px;}
  a.btn,button.btn{width:100%;padding:0 18px;}
  .field-row{flex-direction:column;}
  .field-row .btn,.field-row input.input{width:100%;flex:none;}
}

/* roulang page: category4 */
:root{
    --clay:#B44A2A;
    --clay-dark:#953A1F;
    --pine:#2E5D50;
    --bronze:#B98A3C;
    --paper:#F7F2E8;
    --paper-2:#EFE7D8;
    --ink:#1A1714;
    --text:#2B2622;
    --muted:#6B625A;
    --line:rgba(26,23,20,.12);
    --card:#FFFCF5;
    --radius-card:18px;
    --radius-btn:12px;
    --radius-input:10px;
    --shadow-sm:0 4px 14px rgba(26,23,20,.05);
    --shadow:0 10px 30px rgba(26,23,20,.08);
    --shadow-lg:0 18px 44px rgba(26,23,20,.14);
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background-color:var(--paper);
    background-image:radial-gradient(rgba(26,23,20,.028) 1px, transparent 1px);
    background-size:22px 22px;
    color:var(--text);
    font-family:"Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input{font:inherit}
  h1,h2,h3,h4{
    font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
    color:var(--ink);
    margin:0;
    line-height:1.28;
    font-weight:800;
  }
  p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:6px}

  .container{width:100%;max-width:1280px;margin:0 auto;padding:0 16px}
  @media (min-width:768px){.container{padding:0 24px}}
  @media (min-width:1024px){.container{padding:0 32px}}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(247,242,232,.95);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .nav-grid{
    display:grid;
    grid-template-columns:1fr auto 1fr;
    align-items:center;
    gap:12px;
    min-height:78px;
    padding:10px 0;
  }
  .nav-side{display:none}
  .nav-side.right{justify-content:flex-end}
  @media (min-width:1080px){
    .nav-side{display:flex;align-items:center;gap:2px}
  }
  .nav-link{
    position:relative;
    display:inline-flex;align-items:center;
    padding:10px 12px;border-radius:999px;
    font-size:15px;font-weight:500;color:var(--text);
    white-space:nowrap;
    transition:color .2s ease,background-color .2s ease;
  }
  .nav-link:hover{color:var(--clay);background:rgba(180,74,42,.07)}
  .nav-link.active{color:var(--clay);font-weight:700}
  .nav-link.active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
    border-radius:2px;background:var(--clay);
  }
  .logo{
    display:flex;align-items:center;justify-content:center;gap:10px;
    padding:4px 8px;border-radius:12px;
  }
  .logo-mark{
    flex:0 0 auto;
    width:40px;height:40px;border-radius:10px;
    background:var(--clay);color:#FFF7EC;
    display:flex;align-items:center;justify-content:center;
    font-family:"Noto Serif SC",serif;font-size:20px;font-weight:900;
    box-shadow:0 6px 16px rgba(180,74,42,.28);
  }
  .logo-text{
    font-family:"Noto Serif SC",serif;
    font-size:17px;font-weight:900;color:var(--ink);
    letter-spacing:.02em;white-space:nowrap;
  }
  @media (max-width:520px){
    .logo-text{font-size:15px;white-space:normal;line-height:1.3;max-width:150px;text-align:left}
    .logo-mark{width:34px;height:34px;font-size:17px}
    .nav-grid{min-height:66px}
  }
  .nav-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:10px;
    background:transparent;border:1px solid var(--line);
    color:var(--ink);cursor:pointer;
    transition:background-color .2s ease,border-color .2s ease;
  }
  .nav-toggle:hover{background:rgba(180,74,42,.08);border-color:rgba(180,74,42,.35)}
  @media (min-width:1080px){.nav-toggle{display:none}}
  .mobile-menu{display:none;border-top:1px solid var(--line);background:rgba(247,242,232,.99);padding:12px 0 20px}
  .mobile-menu.open{display:block}
  .m-link{
    display:block;padding:13px 4px;border-bottom:1px solid var(--line);
    font-size:16px;color:var(--text);font-weight:500;
    transition:color .2s ease,padding-left .2s ease;
  }
  .m-link:hover{color:var(--clay);padding-left:10px}
  .m-link.active{color:var(--clay);font-weight:700}

  /* ---------- 按钮 / 标签 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 24px;min-height:46px;
    border-radius:var(--radius-btn);
    border:1px solid transparent;
    font-size:15px;font-weight:600;line-height:1;
    cursor:pointer;
    transition:transform .22s ease,background-color .22s ease,box-shadow .22s ease,border-color .22s ease,color .22s ease;
  }
  .btn-primary{background:var(--clay);color:#FDF8F0;box-shadow:0 10px 24px rgba(180,74,42,.22)}
  .btn-primary:hover{background:var(--clay-dark);transform:translateY(-2px);box-shadow:0 14px 32px rgba(180,74,42,.3)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{background:rgba(180,74,42,.08);color:var(--clay);border-color:var(--clay)}
  .btn-ghost:hover{background:rgba(180,74,42,.15);transform:translateY(-2px)}
  .btn-dark{background:var(--ink);color:#FBF6EC}
  .btn-dark:hover{background:#000;transform:translateY(-2px);box-shadow:0 14px 30px rgba(26,23,20,.28)}
  .btn-light{background:rgba(255,255,255,.1);color:#FBF6EC;border-color:rgba(251,246,236,.4)}
  .btn-light:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}
  .btn-sm{padding:9px 16px;min-height:40px;font-size:14px}

  .tag{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:.78rem;font-weight:600;border:1px solid transparent;line-height:1.6}
  .tag-clay{background:rgba(180,74,42,.1);color:var(--clay);border-color:rgba(180,74,42,.25)}
  .tag-pine{background:rgba(46,93,80,.1);color:var(--pine);border-color:rgba(46,93,80,.22)}
  .tag-bronze{background:rgba(185,138,60,.14);color:#8A6420;border-color:rgba(185,138,60,.32)}

  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:.82rem;font-weight:700;letter-spacing:.14em;
    color:var(--clay);
  }
  .eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--bronze)}

  .h1{font-size:clamp(2.1rem,4.6vw,3.6rem);line-height:1.2;font-weight:900;letter-spacing:-.01em}
  .h2{font-size:clamp(1.55rem,2.9vw,2.3rem);line-height:1.32;font-weight:800}
  .h3{font-size:1.25rem;font-weight:700;line-height:1.5}
  .lead{font-size:1.05rem;line-height:1.95;color:var(--muted)}
  .body-text{font-size:1rem;line-height:1.9;color:var(--text)}

  /* ---------- 卡片 ---------- */
  .card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-sm);
    transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(180,74,42,.26)}

  /* ---------- Hero ---------- */
  .hero{
    position:relative;
    background-image:linear-gradient(180deg,rgba(247,242,232,.94),rgba(247,242,232,.99)),url("/assets/images/backpic/back-1.png");
    background-size:cover;
    background-position:center;
    border-bottom:1px solid var(--line);
  }
  .hero-media{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-lg);background:var(--paper-2)}
  .hero-media img{width:100%;height:clamp(280px,40vw,450px);object-fit:cover}
  .hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(26,23,20,.58),rgba(26,23,20,0) 60%)}
  .hero-quote{
    position:absolute;left:18px;right:18px;bottom:16px;z-index:2;
    color:#FBF6EC;font-family:"Noto Serif SC",serif;font-weight:700;
    font-size:1rem;line-height:1.7;
  }
  .hero-chip{
    position:absolute;top:16px;left:16px;z-index:2;
    background:rgba(255,252,245,.94);border:1px solid var(--line);
    border-radius:999px;padding:6px 14px;font-size:.8rem;font-weight:700;color:var(--pine);
  }

  /* ---------- 数据条 ---------- */
  .stat{border-left:2px solid rgba(185,138,60,.65);padding-left:16px}
  .stat-num{font-family:"Noto Serif SC",serif;font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:900;color:var(--clay);line-height:1.1}
  .stat-label{font-size:.9rem;color:var(--muted);margin-top:8px;line-height:1.7}

  /* ---------- 对照列表 ---------- */
  .compare-col{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-sm)}
  .compare-col.alert{border-left:3px solid var(--clay)}
  .compare-col.calm{border-left:3px solid var(--pine)}
  .check-list li{position:relative;padding:12px 0 12px 28px;border-bottom:1px dashed var(--line);font-size:.96rem;line-height:1.75;color:var(--text)}
  .check-list li:last-child{border-bottom:0}
  .check-list li::before{
    content:"";position:absolute;left:0;top:20px;
    width:9px;height:9px;border-radius:50%;background:var(--clay);
  }
  .check-list.calm li::before{background:var(--pine)}

  /* ---------- 资源列表 ---------- */
  .res-item{display:grid;grid-template-columns:auto 1fr;gap:20px;padding:24px;align-items:start}
  .res-no{
    font-family:"Noto Serif SC",serif;font-size:1.5rem;font-weight:900;
    color:rgba(185,138,60,.95);line-height:1;
    padding-top:4px;min-width:38px;
  }
  @media (max-width:520px){
    .res-item{grid-template-columns:1fr;gap:10px;padding:20px}
    .res-no{font-size:1.2rem}
  }

  /* ---------- 反馈摘录 ---------- */
  .quote-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-sm);position:relative;transition:transform .28s ease,box-shadow .28s ease}
  .quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
  .quote-card::before{
    content:"”";position:absolute;top:8px;right:22px;
    font-family:"Noto Serif SC",serif;font-size:3.6rem;line-height:1;
    color:rgba(185,138,60,.28);
  }
  .quote-text{font-size:.98rem;line-height:1.9;color:var(--text)}
  .quote-from{margin-top:16px;font-size:.85rem;color:var(--muted);border-top:1px solid var(--line);padding-top:12px}

  /* ---------- 评分条 ---------- */
  .bar-row{display:flex;align-items:center;gap:14px;padding:10px 0}
  .bar-label{flex:0 0 88px;font-size:.88rem;color:var(--muted)}
  .bar-track{flex:1;height:8px;border-radius:999px;background:rgba(26,23,20,.09);overflow:hidden}
  .bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--bronze),var(--clay))}
  .bar-val{flex:0 0 46px;text-align:right;font-size:.86rem;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}

  /* ---------- FAQ ---------- */
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item:first-child{border-top:1px solid var(--line)}
  .faq-q{
    width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
    padding:20px 4px;background:none;border:0;cursor:pointer;text-align:left;
    font-family:"Noto Serif SC",serif;font-weight:700;font-size:1.08rem;color:var(--ink);
    line-height:1.6;
    transition:color .2s ease;
  }
  .faq-q:hover{color:var(--clay)}
  .faq-icon{
    flex:0 0 auto;width:28px;height:28px;border-radius:50%;
    border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
    font-size:16px;font-weight:400;color:var(--muted);
    transition:transform .3s ease,background-color .3s ease,color .3s ease,border-color .3s ease;
  }
  .faq-item.open .faq-icon{transform:rotate(45deg);background:var(--clay);color:#FFF7EC;border-color:var(--clay)}
  .faq-item.open .faq-q{color:var(--clay)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
  .faq-a-inner{padding:0 48px 22px 4px;font-size:.96rem;line-height:1.88;color:var(--muted)}

  /* ---------- 表单 ---------- */
  .field-row{display:flex;gap:10px;flex-wrap:wrap}
  .input{
    flex:1 1 210px;min-height:46px;padding:10px 14px;
    border-radius:var(--radius-input);
    border:1px solid var(--line);
    background:#FFFDF8;color:var(--text);
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .input::placeholder{color:#A69C92}
  .input:focus{outline:none;border-color:var(--clay);box-shadow:0 0 0 3px rgba(180,74,42,.16)}
  .form-msg{font-size:.85rem;margin-top:10px;min-height:20px;color:var(--muted)}
  .form-msg.err{color:var(--clay)}
  .form-msg.ok{color:var(--pine)}

  .dark-block{
    background:var(--ink);color:#EDE7DA;border-radius:var(--radius-card);
    padding:40px 28px;position:relative;overflow:hidden;
  }
  .dark-block::before{
    content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
    background:radial-gradient(circle,rgba(180,74,42,.35),transparent 68%);
  }
  .dark-block h2,.dark-block h3{color:#FBF6EC}
  .dark-block .input{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.2);color:#FBF6EC}
  .dark-block .input::placeholder{color:rgba(237,231,218,.55)}
  .dark-block .input:focus{border-color:var(--bronze);box-shadow:0 0 0 3px rgba(185,138,60,.25)}
  .dark-block .form-msg.ok{color:#9CCBB4}
  .dark-block .form-msg.err{color:#EFA48C}
  @media (min-width:768px){.dark-block{padding:56px 48px}}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:#E7E0D4;padding:64px 0 28px;margin-top:0}
  .footer-brand{font-family:"Noto Serif SC",serif;font-size:1.35rem;font-weight:900;color:#FBF6EC;letter-spacing:.02em}
  .footer-desc{color:rgba(231,224,212,.72);font-size:.92rem;line-height:1.85;margin-top:14px;max-width:330px}
  .site-footer h3{color:#FBF6EC;font-size:1rem;font-weight:700;font-family:"Noto Serif SC",serif}
  .footer-link{display:block;padding:6px 0;color:rgba(231,224,212,.75);font-size:.94rem;transition:color .2s ease,transform .2s ease}
  .footer-link:hover{color:#fff;transform:translateX(3px)}
  .site-footer .input{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.2);color:#FBF6EC}
  .site-footer .input::placeholder{color:rgba(231,224,212,.5)}
  .site-footer .input:focus{border-color:var(--bronze);box-shadow:0 0 0 3px rgba(185,138,60,.25)}
  .site-footer .form-msg.ok{color:#9CCBB4}
  .site-footer .form-msg.err{color:#EFA48C}
  .footer-bottom{
    margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:.85rem;color:rgba(231,224,212,.6);
  }
  .footer-bottom a{color:rgba(231,224,212,.82);text-decoration:underline;text-underline-offset:3px}
  .footer-bottom a:hover{color:#fff}

  /* ---------- 杂项 ---------- */
  .divider{height:1px;background:var(--line)}
  .seal{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border:1px solid rgba(180,74,42,.4);border-radius:8px;
    font-family:"Noto Serif SC",serif;font-size:.72rem;line-height:1.15;
    color:var(--clay);text-align:center;padding:4px;
  }
  .link-underline{
    color:var(--pine);font-weight:600;
    text-decoration:underline;text-decoration-color:rgba(46,93,80,.35);
    text-underline-offset:4px;
    transition:text-decoration-color .2s ease,color .2s ease;
  }
  .link-underline:hover{color:var(--clay);text-decoration-color:var(--clay)}
  .soft-band{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}