/* roulang page: index */
:root{
  --ink:#1C211F;
  --ink-2:#5A6660;
  --paper:#F6F4EE;
  --card:#FFFFFF;
  --line:#E2DED2;
  --brand:#12463B;
  --brand-deep:#0A2B24;
  --brand-soft:#DCEBE3;
  --accent:#E16A3D;
  --accent-soft:#FBE4DA;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:12px;
  --shadow-1:0 6px 24px rgba(18,70,59,.07);
  --shadow-2:0 10px 32px rgba(18,70,59,.12);
  --container:1200px;
  --sec-space:96px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
h1,h2,h3,h4{letter-spacing:-.01em;line-height:1.3;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.sec{padding:var(--sec-space) 0;}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:44px;
}
.sec-head h2{
  font-size:32px;
  font-weight:700;
  letter-spacing:-.01em;
}
.sec-head p{
  color:var(--ink-2);
  font-size:15px;
  margin-top:12px;
  max-width:640px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--brand);
  background:var(--brand-soft);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:20px;
}
.text-link{
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:color .15s ease;
  white-space:nowrap;
}
.text-link:hover{color:var(--accent);text-decoration:underline;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn .arrow{transition:transform .18s ease;}
.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:var(--shadow-1);
}
.btn-primary:hover{
  background:var(--brand-deep);
  transform:translateY(-1px);
  box-shadow:var(--shadow-2);
}
.btn-primary:hover .arrow{transform:translateX(3px);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--line);
}
.btn-ghost:hover{
  border-color:var(--brand);
  background:var(--brand-soft);
  color:var(--brand);
}
.btn-ghost:active{transform:translateY(1px);}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:70;
  background:rgba(246,244,238,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.brand-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:16px 0;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-size:19px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.01em;
}
.logo-seal{
  width:36px;
  height:36px;
  border-radius:8px;
  background:var(--brand);
  color:#fff;
  font-size:13px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  letter-spacing:.02em;
  flex:0 0 auto;
}
.brand-aux{
  display:flex;
  align-items:center;
  gap:14px;
  font-size:13px;
  color:var(--ink-2);
}
.brand-aux a{transition:color .15s ease;}
.brand-aux a:hover{color:var(--accent);}
.aux-divider{width:1px;height:12px;background:var(--line);}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  background:var(--card);
  border-radius:10px;
  cursor:pointer;
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
body.nav-open .nav-toggle span:nth-child(2){opacity:0;}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.site-header .container{position:relative;}
.chan-nav{
  display:flex;
  align-items:center;
  gap:6px;
  border-top:1px solid var(--line);
  padding:8px 0;
  overflow-x:auto;
}
.chan-nav a{
  font-size:14px;
  font-weight:500;
  color:var(--ink-2);
  padding:9px 16px;
  border-radius:999px;
  white-space:nowrap;
  transition:color .15s ease,background .15s ease;
}
.chan-nav a:hover{color:var(--brand);background:var(--brand-soft);}
.chan-nav a.active{
  color:var(--brand);
  background:var(--brand-soft);
  font-weight:600;
  box-shadow:inset 0 -2px 0 var(--brand);
}

/* ---------- hero ---------- */
.hero{
  padding:72px 0 0;
  background:
    radial-gradient(1200px 420px at 82% -10%, rgba(220,235,227,.85), transparent 70%),
    var(--paper);
}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.hero h1{
  font-size:48px;
  font-weight:700;
  line-height:1.18;
  letter-spacing:-.015em;
}
.hero-sub{
  margin-top:20px;
  font-size:17px;
  color:var(--ink-2);
  max-width:560px;
  line-height:1.8;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}
.hero-media{
  position:relative;
}
.hero-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:200px 200px 16px 16px;
  border:1px solid var(--line);
  background:var(--brand-soft);
  box-shadow:var(--shadow-1);
}
.hero-media .media-badge{
  position:absolute;
  left:20px;
  bottom:20px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:999px;
  padding:8px 16px;
  font-size:12px;
  font-weight:600;
  color:var(--brand);
  letter-spacing:.04em;
}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  border-top:1px solid var(--line);
  margin-top:64px;
  padding:28px 0 40px;
}
.hero-stats .stat{
  padding:0 24px;
  border-left:1px solid var(--line);
}
.hero-stats .stat:first-child{border-left:0;padding-left:0;}
.stat-num{
  font-size:28px;
  font-weight:700;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.stat-num small{font-size:14px;font-weight:600;margin-left:2px;}
.stat-label{
  font-size:13px;
  color:var(--ink-2);
  margin-top:6px;
}

/* ---------- pain ---------- */
.pain-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  border-top:1px solid var(--line);
}
.pain-item{
  padding:32px 28px 8px 0;
  border-left:1px solid var(--line);
  padding-left:28px;
}
.pain-item:first-child{border-left:0;padding-left:0;}
.pain-num{
  font-size:13px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:.1em;
  font-variant-numeric:tabular-nums;
}
.pain-item h3{
  font-size:19px;
  font-weight:600;
  margin-top:14px;
}
.pain-item p{
  font-size:14.5px;
  color:var(--ink-2);
  margin-top:12px;
  line-height:1.85;
  max-width:340px;
}

/* ---------- solution ---------- */
.solution-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}
.solution-copy h2{
  font-size:32px;
  font-weight:700;
  margin-bottom:18px;
}
.solution-copy > p{
  color:var(--ink-2);
  font-size:15.5px;
  line-height:1.85;
  max-width:520px;
}
.point-list{margin-top:32px;}
.point-list li{
  padding:18px 0;
  border-top:1px solid var(--line);
}
.point-list li:last-child{border-bottom:1px solid var(--line);}
.point-list h3{
  font-size:17px;
  font-weight:600;
  display:flex;
  align-items:center;
  gap:10px;
}
.point-list h3::before{
  content:"";
  width:6px;height:6px;
  border-radius:2px;
  background:var(--accent);
  flex:0 0 auto;
}
.point-list p{
  font-size:14.5px;
  color:var(--ink-2);
  margin-top:8px;
  padding-left:16px;
}
.solution-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--radius-img);
  border:1px solid var(--line);
  background:var(--brand-soft);
  box-shadow:var(--shadow-1);
}

/* ---------- results ---------- */
.results{
  background:var(--brand-deep);
  color:#fff;
  padding:76px 0;
}
.results h2{
  font-size:30px;
  font-weight:700;
  color:#fff;
}
.results .lead{
  color:rgba(255,255,255,.7);
  font-size:15px;
  margin-top:12px;
  max-width:620px;
}
.results-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  margin-top:52px;
  border-top:1px solid rgba(255,255,255,.14);
}
.results-grid .cell{
  padding:30px 24px 0;
  border-left:1px solid rgba(255,255,255,.14);
}
.results-grid .cell:first-child{border-left:0;padding-left:0;}
.cell-num{
  font-size:36px;
  font-weight:700;
  color:#fff;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
  line-height:1.1;
}
.cell-num small{font-size:15px;font-weight:600;margin-left:4px;color:var(--brand-soft);}
.cell-label{
  font-size:13.5px;
  color:rgba(255,255,255,.68);
  margin-top:10px;
  line-height:1.7;
}

/* ---------- testimonials ---------- */
.quote-list{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.quote-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px 24px;
  display:flex;
  flex-direction:column;
  gap:18px;
  transition:box-shadow .2s ease,transform .2s ease;
}
.quote-card:hover{box-shadow:var(--shadow-1);transform:translateY(-2px);}
.quote-mark{
  font-size:30px;
  line-height:1;
  color:var(--brand-soft);
  font-weight:700;
  font-family:Georgia,serif;
}
.quote-card p{
  font-size:15px;
  color:var(--ink);
  line-height:1.85;
}
.quote-person{
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:auto;
  padding-top:16px;
  border-top:1px solid var(--line);
}
.avatar{
  width:40px;height:40px;
  border-radius:50%;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:14px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
}
.person-name{font-size:14px;font-weight:600;}
.person-role{font-size:12.5px;color:var(--ink-2);}

/* ---------- news ---------- */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.news-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:#C4D8CD;
}
.news-card:hover h3{color:var(--brand);}
.news-media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  background:var(--brand-soft);
}
.news-body{
  padding:22px 22px 20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.tag{
  align-self:flex-start;
  font-size:12px;
  font-weight:600;
  color:var(--brand);
  background:var(--brand-soft);
  border-radius:999px;
  padding:4px 12px;
  letter-spacing:.02em;
}
.news-body h3{
  font-size:18px;
  font-weight:600;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .15s ease;
}
.news-body p{
  font-size:14px;
  color:var(--ink-2);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  margin-top:auto;
  padding-top:14px;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--ink-2);
  font-variant-numeric:tabular-nums;
}
.news-meta .dot{width:1px;height:12px;background:var(--line);}
.news-empty{
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  padding:48px 24px;
  text-align:center;
  background:rgba(255,255,255,.6);
}
.news-empty p{color:var(--ink-2);font-size:15px;margin-bottom:14px;}

/* ---------- faq ---------- */
.faq-wrap{max-width:840px;}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:22px 44px 22px 0;
  font-size:17px;
  font-weight:600;
  position:relative;
  transition:color .15s ease,box-shadow .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:6px;
  top:50%;
  transform:translateY(-50%);
  font-size:22px;
  font-weight:400;
  color:var(--brand);
  line-height:1;
}
.faq-item[open] summary{
  color:var(--brand);
  box-shadow:inset 3px 0 0 var(--accent);
  padding-left:16px;
}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:hover{color:var(--brand);}
.faq-answer{
  padding:0 40px 24px 16px;
  font-size:15px;
  color:var(--ink-2);
  line-height:1.85;
}

/* ---------- cta ---------- */
.cta-band{
  background:var(--brand-deep);
  border-radius:20px;
  padding:56px 56px;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-40px;
  bottom:-90px;
  width:260px;
  height:260px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:50%;
  pointer-events:none;
}
.cta-band h2{
  font-size:28px;
  font-weight:700;
  color:#fff;
  max-width:520px;
}
.cta-band p{
  color:rgba(255,255,255,.72);
  font-size:15px;
  margin-top:12px;
  max-width:520px;
}
.cta-band .btn-primary{background:var(--accent);color:#fff;flex:0 0 auto;}
.cta-band .btn-primary:hover{background:#C9572F;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--brand-deep);
  color:#fff;
  margin-top:var(--sec-space);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr 2fr;
  gap:56px;
  padding-bottom:48px;
}
.footer-brand .logo{color:#fff;font-size:18px;}
.footer-brand .logo-seal{background:rgba(255,255,255,.14);color:#fff;}
.footer-brand p{
  color:rgba(255,255,255,.66);
  font-size:14px;
  line-height:1.8;
  margin-top:18px;
  max-width:320px;
}
.footer-contact{
  margin-top:20px;
  font-size:13.5px;
  color:rgba(255,255,255,.66);
  line-height:2;
}
.footer-contact a{color:rgba(255,255,255,.86);}
.footer-contact a:hover{color:var(--accent);}
.footer-cols{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:32px;
}
.footer-col h4{
  font-size:13px;
  font-weight:600;
  color:rgba(255,255,255,.5);
  letter-spacing:.06em;
  margin-bottom:16px;
}
.footer-col a{
  display:block;
  font-size:14px;
  color:rgba(255,255,255,.82);
  padding:7px 0;
  transition:color .15s ease,transform .15s ease;
}
.footer-col a:hover{color:var(--accent);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero h1{font-size:42px;}
  .hero-grid{gap:40px;}
}
@media (max-width:991px){
  :root{--sec-space:72px;}
  .nav-toggle{display:inline-flex;}
  .brand-aux{display:none;}
  .chan-nav{
    position:absolute;
    left:0;right:0;top:100%;
    flex-direction:column;
    align-items:stretch;
    background:var(--paper);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-2);
    padding:12px;
    gap:4px;
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
    max-height:calc(100vh - 72px);
    overflow-y:auto;
  }
  body.nav-open .chan-nav{opacity:1;visibility:visible;transform:translateY(0);}
  .chan-nav a{font-size:16px;padding:14px 16px;border-radius:10px;}
  .chan-nav a.active{box-shadow:inset 3px 0 0 var(--brand);}
  .hero{padding-top:52px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:34px;}
  .hero-media{order:2;}
  .hero-media img{aspect-ratio:16/10;border-radius:120px 120px 16px 16px;}
  .hero-stats{margin-top:44px;}
  .pain-grid{grid-template-columns:1fr;}
  .pain-item{border-left:0;padding-left:0;border-top:1px solid var(--line);padding:26px 0;}
  .pain-item:first-child{border-top:1px solid var(--line);}
  .solution-wrap{grid-template-columns:1fr;gap:36px;}
  .results-grid{grid-template-columns:repeat(2,1fr);row-gap:32px;}
  .results-grid .cell:nth-child(3){border-left:0;padding-left:0;}
  .quote-list{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:36px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
}
@media (max-width:767px){
  :root{--sec-space:52px;}
  .container{padding:0 18px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px;}
  .sec-head h2{font-size:24px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr;padding:20px 0 32px;}
  .hero-stats .stat{border-left:0;padding:16px 0;border-top:1px solid var(--line);}
  .hero-stats .stat:first-child{border-top:0;padding-top:0;}
  .results h2{font-size:23px;}
  .results-grid{grid-template-columns:1fr;margin-top:36px;}
  .results-grid .cell{border-left:0;padding:22px 0 0;border-top:1px solid rgba(255,255,255,.14);}
  .results-grid .cell:first-child{border-top:0;padding-top:0;}
  .news-grid{grid-template-columns:1fr;}
  .footer-cols{grid-template-columns:repeat(2,1fr);gap:24px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-band{padding:32px 24px;border-radius:16px;}
  .cta-band h2{font-size:22px;}
  .cta-band .btn-primary{width:100%;}
  .faq-item summary{font-size:16px;padding-right:36px;}
  .faq-answer{padding-right:20px;}
}
@media (max-width:520px){
  .logo{font-size:16px;gap:10px;}
  .logo-seal{width:32px;height:32px;font-size:12px;}
  .hero h1{font-size:26px;}
  .stat-num{font-size:24px;}
  .cell-num{font-size:30px;}
  .news-body{padding:18px;}
  .quote-card{padding:22px 18px;}
  .footer-cols{grid-template-columns:1fr;}
}

/* roulang page: article */
:root{
  --ink:#1C211F;
  --ink-2:#5A6660;
  --paper:#F6F4EE;
  --card:#FFFFFF;
  --line:#E2DED2;
  --brand:#12463B;
  --brand-deep:#0A2B24;
  --brand-soft:#DCEBE3;
  --accent:#E16A3D;
  --accent-soft:#FBE4DA;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:12px;
  --shadow:0 6px 24px rgba(18,70,59,.07);
  --shadow-lg:0 10px 32px rgba(18,70,59,.12);
  --space-block:96px;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .15s ease,border-color .15s ease,background-color .15s ease}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 头部 / 频道导航 ---------- */
.site-header{background:var(--paper);position:sticky;top:0;z-index:60;border-bottom:1px solid transparent}
.brand-row{display:flex;align-items:center;gap:20px;padding:18px 0 14px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-seal{
  width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;border-radius:9px;font-size:13px;font-weight:700;letter-spacing:.05em;
}
.logo-text{font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
.brand-aux{margin-left:auto;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-2)}
.brand-aux a:hover{color:var(--accent)}
.aux-divider{width:1px;height:12px;background:var(--line);display:inline-block}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:var(--card);padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.chan-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:0}
.chan-nav a{
  position:relative;display:inline-block;padding:11px 16px 13px;font-size:15px;font-weight:500;color:var(--ink-2);
  border-radius:10px 10px 0 0;
}
.chan-nav a:hover{color:var(--brand);background:rgba(220,235,227,.5)}
.chan-nav a.active{color:var(--brand);font-weight:600;background:var(--brand-soft)}
.chan-nav a.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:-1px;height:2px;background:var(--brand);border-radius:2px;
}

/* ---------- 面包屑 ---------- */
.crumbs{padding:26px 0 0;font-size:13px;color:var(--ink-2)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs li{display:inline-flex;align-items:center;gap:8px;max-width:100%}
.crumbs li+li::before{content:"/";color:#B9B4A6}
.crumbs a:hover{color:var(--accent)}
.crumbs .current{color:var(--ink);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:46vw}

/* ---------- 文章头部 ---------- */
.article-head{padding:22px 0 0}
.article-head-inner{max-width:860px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.article-head h1{
  font-size:38px;line-height:1.35;font-weight:700;letter-spacing:-.01em;margin:18px 0 0;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--ink-2)}
.article-meta .dot{width:1px;height:12px;background:var(--line)}
.article-meta time{font-variant-numeric:tabular-nums}
.article-cover{margin:30px 0 0;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);background:var(--brand-soft)}
.article-cover img{width:100%;aspect-ratio:21/9;object-fit:cover}

/* ---------- 正文布局 ---------- */
.article-wrap{padding:44px 0 var(--space-block)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px}
.article-body{
  max-width:760px;font-size:17px;line-height:1.9;letter-spacing:.01em;color:var(--ink);
}
.article-body p{margin:0 0 1.2em}
.article-body h2{font-size:24px;line-height:1.45;font-weight:600;letter-spacing:-.01em;margin:1.8em 0 .7em;color:var(--ink)}
.article-body h3{font-size:19px;line-height:1.5;font-weight:600;margin:1.6em 0 .6em}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.4em 0}
.article-body li::marker{color:var(--brand)}
.article-body blockquote{
  margin:1.5em 0;padding:.9em 1.3em;border-left:3px solid var(--brand);
  background:var(--brand-soft);border-radius:0 10px 10px 0;color:#26493F;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-img);margin:1.5em auto;height:auto}
.article-body figure{margin:1.5em 0}
.article-body figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:.6em}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 13px;text-align:left;vertical-align:top}
.article-body th{background:var(--brand-soft);font-weight:600;color:var(--brand-deep)}
.article-body tbody tr:nth-child(even){background:#FBFAF6}
.article-body a{color:var(--brand);text-decoration:underline;text-decoration-color:rgba(18,70,59,.35);text-underline-offset:3px}
.article-body a:hover{color:var(--accent);text-decoration-color:var(--accent)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-body code{background:#EFEDE4;border-radius:5px;padding:2px 6px;font-size:14px}

/* 空态 */
.article-empty{
  border:1px dashed #C9C4B4;border-radius:var(--radius-card);background:var(--card);
  padding:48px 28px;text-align:center;
}
.article-empty h2{font-size:22px;font-weight:600;margin-bottom:10px}
.article-empty p{color:var(--ink-2);font-size:15px;margin-bottom:22px}

/* ---------- 侧栏 ---------- */
.article-side{display:none}
.side-sticky{position:sticky;top:120px;display:flex;flex-direction:column;gap:20px}
.side-card{border:1px solid var(--line);background:var(--card);border-radius:var(--radius-card);padding:22px 20px;box-shadow:var(--shadow)}
.side-card h2{font-size:15px;font-weight:600;letter-spacing:.02em;margin-bottom:14px;color:var(--brand-deep)}
.side-links{display:flex;flex-direction:column;gap:2px}
.side-links a{display:block;padding:9px 10px;border-radius:9px;font-size:14px;color:var(--ink-2)}
.side-links a:hover{background:var(--brand-soft);color:var(--brand)}
.side-note{font-size:13px;line-height:1.8;color:var(--ink-2);margin-bottom:14px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;transition:all .18s ease;border:1px solid transparent;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow)}
.btn-primary .arrow{transition:transform .18s ease}
.btn-primary:hover .arrow{transform:translateX(3px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}
.btn-ghost:active{transform:translateY(1px)}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 var(--space-block)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;border-top:1px solid var(--line);padding-top:36px}
.section-head h2{font-size:26px;font-weight:600;letter-spacing:-.01em}
.section-head .more{font-size:14px;color:var(--brand);font-weight:500}
.section-head .more:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow);transition:all .18s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#BED7CA}
.card-media{overflow:hidden;background:var(--brand-soft)}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-cat{font-size:12px;font-weight:600;color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:3px 11px;align-self:flex-start}
.card-title{font-size:18px;font-weight:600;line-height:1.5;letter-spacing:-.01em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card:hover .card-title{color:var(--brand)}
.card-desc{font-size:14px;line-height:1.75;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-2);display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-variant-numeric:tabular-nums}
.card-meta .dot{width:1px;height:11px;background:var(--line)}

/* ---------- 返回入口 ---------- */
.back-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px;padding-top:32px;border-top:1px solid var(--line)}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 var(--space-block)}
.cta-inner{
  background:var(--card);border:1px solid var(--line);border-radius:18px;padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;box-shadow:var(--shadow);
  background-image:radial-gradient(circle at 92% 18%,rgba(220,235,227,.85),transparent 46%);
}
.cta-inner h2{font-size:26px;font-weight:600;letter-spacing:-.01em;margin-bottom:10px}
.cta-inner p{font-size:15px;color:var(--ink-2);max-width:520px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#E7EFEA;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.15fr 1.85fr;gap:48px}
.footer-brand .logo-seal{background:rgba(255,255,255,.12);color:#fff}
.footer-brand .logo-text{color:#fff;font-size:18px}
.footer-brand p{font-size:14px;line-height:1.85;color:#A9C0B7;margin-top:16px;max-width:330px}
.footer-contact{margin-top:18px;font-size:13px;color:#A9C0B7;line-height:1.9}
.footer-contact a{color:#E7EFEA}
.footer-contact a:hover{color:var(--accent)}
.footer-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.footer-col h4{font-size:13px;font-weight:600;color:#8FB0A4;letter-spacing:.06em;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;color:#D6E3DC;padding:5px 0}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#93ABA1;
}

/* ---------- 响应式 ---------- */
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,760px) 300px;justify-content:space-between;gap:56px}
  .article-side{display:block}
}
@media (max-width:1199px){
  .article-head h1{font-size:34px}
}
@media (max-width:991px){
  :root{--space-block:72px}
  .brand-aux{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .chan-nav{
    display:none;flex-direction:column;align-items:stretch;gap:0;
    border-bottom:0;padding:8px 0 16px;
  }
  .chan-nav.open{display:flex}
  .chan-nav a{padding:14px 12px;font-size:17px;font-weight:500;border-radius:10px;border-left:3px solid transparent}
  .chan-nav a.active{background:rgba(220,235,227,.7);border-left:3px solid var(--brand);border-radius:0 10px 10px 0}
  .chan-nav a.active::after{display:none}
  .article-head h1{font-size:30px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr;gap:36px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:36px 28px}
}
@media (max-width:767px){
  :root{--space-block:52px}
  .container{padding:0 18px}
  .article-head h1{font-size:26px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .article-cover img{aspect-ratio:16/9}
  .card-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .btn{width:100%;justify-content:center}
  .back-row .btn{width:100%}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .crumbs .current{max-width:52vw}
}
@media (max-width:520px){
  .logo-text{font-size:16px}
  .logo-seal{width:30px;height:30px;font-size:12px}
  .article-meta{font-size:12px}
  .card-body{padding:18px}
  .article-body table{font-size:14px}
  .article-body th,.article-body td{padding:8px 9px}
  .cta-inner{padding:28px 20px}
  .footer-bottom{flex-direction:column;gap:6px}
}

/* roulang page: category1 */
:root{
  --ink:#1C211F;
  --ink-2:#5A6660;
  --ink-3:#8A948E;
  --paper:#F6F4EE;
  --card:#FFFFFF;
  --line:#E2DED2;
  --brand:#12463B;
  --brand-deep:#0A2B24;
  --brand-soft:#DCEBE3;
  --accent:#E16A3D;
  --accent-soft:#FBE4DA;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:12px;
  --shadow-1:0 6px 24px rgba(18,70,59,.07);
  --shadow-2:0 10px 32px rgba(18,70,59,.12);
  --container:1200px;
  --section-gap:96px;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .15s ease,border-color .15s ease,background-color .15s ease;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.28;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--section-gap) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head h2{font-size:32px;}
.section-head .sub{color:var(--ink-2);font-size:15px;max-width:640px;margin-top:12px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--brand);text-transform:uppercase;}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);}

/* ============ header ============ */
.site-header{background:rgba(246,244,238,.94);backdrop-filter:saturate(1.1) blur(6px);border-bottom:1px solid transparent;position:sticky;top:0;z-index:60;}
.brand-row{display:flex;align-items:center;gap:20px;padding:18px 0 14px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;}
.logo-seal{
  width:34px;height:34px;border-radius:10px;
  background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  flex:0 0 auto;
}
.logo-text{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.brand-aux{margin-left:auto;display:flex;align-items:center;gap:14px;font-size:13px;color:var(--ink-2);}
.brand-aux a:hover{color:var(--accent);}
.aux-divider{width:1px;height:12px;background:var(--line);display:inline-block;}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;
  background:var(--card);padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.chan-nav{
  display:flex;align-items:center;gap:6px;
  border-top:1px solid var(--line);
  padding:10px 0;
  overflow-x:auto;
  scrollbar-width:none;
}
.chan-nav::-webkit-scrollbar{display:none;}
.chan-nav a{
  position:relative;flex:0 0 auto;
  padding:8px 16px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--ink-2);
  white-space:nowrap;
}
.chan-nav a:hover{color:var(--brand);background:var(--brand-soft);}
.chan-nav a.active{color:var(--brand);background:var(--brand-soft);font-weight:600;}
.chan-nav a.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;background:var(--brand);border-radius:2px;
}

/* ============ breadcrumb ============ */
.crumb-bar{border-bottom:1px solid var(--line);background:var(--paper);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--ink-2);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:var(--ink-3);}
.crumb .current{color:var(--ink);font-weight:600;}

/* ============ category hero ============ */
.cat-hero{background:linear-gradient(180deg,#FBFAF5 0%,var(--paper) 100%);border-bottom:1px solid var(--line);}
.cat-hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding:56px 0 60px;}
.cat-hero h1{font-size:44px;margin:14px 0 18px;}
.cat-hero h1 em{font-style:normal;color:var(--brand);border-bottom:3px solid var(--accent-soft);}
.cat-lede{font-size:16px;color:var(--ink-2);max-width:600px;line-height:1.9;}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.arch-figure{
  position:relative;border-radius:50% 50% var(--radius-img) var(--radius-img) / 42% 42% var(--radius-img) var(--radius-img);
  overflow:hidden;aspect-ratio:4/3;background:var(--brand-soft);
  box-shadow:var(--shadow-1);
}
.arch-figure img{width:100%;height:100%;object-fit:cover;}
.arch-figure::after{content:"";position:absolute;inset:10px;border:1px solid rgba(255,255,255,.5);border-radius:inherit;pointer-events:none;}
.hero-facts{display:flex;flex-wrap:wrap;gap:0;margin-top:34px;border-top:1px solid var(--line);padding-top:20px;}
.hero-facts .fact{flex:1 1 140px;padding:0 20px;border-left:1px solid var(--line);}
.hero-facts .fact:first-child{padding-left:0;border-left:none;}
.fact-num{font-size:26px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.fact-label{font-size:13px;color:var(--ink-2);margin-top:2px;}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn .arrow{transition:transform .18s ease;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:hover .arrow{transform:translateX(3px);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-primary[disabled],.btn-primary.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line);}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand);}
.btn-ghost:active{transform:translateY(0);}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.btn-link:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px;}

/* ============ guide cards ============ */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.guide-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:0;overflow:hidden;box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.guide-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#C9DDD3;}
.guide-card .media{aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft);}
.guide-card .media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.guide-card:hover .media img{transform:scale(1.03);}
.guide-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;}
.tag{display:inline-flex;align-items:center;gap:6px;align-self:flex-start;padding:4px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600;}
.guide-card h3{font-size:19px;}
.guide-card p{font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.guide-card .meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);border-top:1px solid var(--line);padding-top:14px;margin-top:auto;}
.guide-card .meta .dot{width:3px;height:3px;border-radius:50%;background:var(--ink-3);}

/* ============ steps ============ */
.steps-wrap{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid var(--line);margin-top:36px;}
.step{padding:28px 24px 8px;border-left:1px solid var(--line);}
.step:first-child{border-left:none;padding-left:0;}
.step .idx{font-size:13px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:.1em;}
.step h3{font-size:18px;margin:12px 0 10px;}
.step p{font-size:14px;color:var(--ink-2);line-height:1.8;}

/* ============ checklist band ============ */
.check-band{background:var(--brand-deep);color:#fff;border-radius:18px;padding:48px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
.check-band h2{font-size:30px;color:#fff;}
.check-band .desc{color:rgba(255,255,255,.76);font-size:15px;margin-top:14px;line-height:1.9;}
.check-list{display:grid;gap:14px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.9);}
.check-list li::before{content:"";flex:0 0 auto;width:18px;height:18px;margin-top:4px;border-radius:6px;background:var(--accent);opacity:.9;}

/* ============ faq ============ */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:22px 4px;font-size:17px;font-weight:600;color:var(--ink);
  border-left:3px solid transparent;padding-left:16px;
  transition:color .15s ease,border-color .15s ease,background-color .15s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);background:rgba(220,235,227,.35);}
.faq-item[open] summary{color:var(--brand);border-left-color:var(--accent);}
.faq-item summary .sign{margin-left:auto;flex:0 0 auto;width:26px;height:26px;border:1px solid var(--line);border-radius:8px;display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:500;color:var(--brand);line-height:1;}
.faq-item[open] summary .sign{background:var(--brand-soft);border-color:var(--brand-soft);}
.faq-body{padding:0 4px 24px 19px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:820px;}

/* ============ cta ============ */
.cta-light{background:var(--brand-soft);border-radius:18px;padding:52px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-light h2{font-size:30px;color:var(--brand-deep);max-width:620px;}
.cta-light p{color:#2F5C4F;font-size:15px;margin-top:12px;max-width:620px;line-height:1.85;}
.cta-light .actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ footer ============ */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.78);margin-top:var(--section-gap);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.1fr 1.6fr;gap:56px;padding-bottom:48px;}
.site-footer .logo-text{color:#fff;}
.site-footer .logo-seal{background:var(--accent);}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:18px;max-width:360px;color:rgba(255,255,255,.72);}
.footer-contact{margin-top:18px;font-size:13.5px;line-height:2;color:rgba(255,255,255,.6);}
.footer-contact a{color:rgba(255,255,255,.86);}
.footer-contact a:hover{color:var(--accent);}
.footer-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;}
.footer-col h4{font-size:13px;font-weight:600;color:rgba(255,255,255,.5);letter-spacing:.08em;margin-bottom:16px;}
.footer-col a{display:block;font-size:14px;padding:6px 0;color:rgba(255,255,255,.82);}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:20px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);}

/* ============ responsive ============ */
@media (max-width:1199px){
  :root{--section-gap:80px;}
  .cat-hero h1{font-size:38px;}
  .cat-hero-inner{gap:40px;}
  .check-band{padding:40px;}
}
@media (max-width:991px){
  :root{--section-gap:72px;}
  .nav-toggle{display:flex;margin-left:8px;}
  .brand-aux{display:none;}
  .chan-nav{display:none;}
  .chan-nav.is-open{
    display:flex;flex-direction:column;align-items:stretch;gap:2px;
    position:fixed;left:0;right:0;top:74px;bottom:0;
    background:var(--paper);padding:18px 24px 40px;border-top:1px solid var(--line);
    overflow-y:auto;z-index:55;
  }
  .chan-nav.is-open a{
    font-size:18px;font-weight:600;padding:16px 14px;border-radius:10px;
    border-left:3px solid transparent;color:var(--ink);
  }
  .chan-nav.is-open a.active{border-left-color:var(--brand);background:var(--brand-soft);}
  .chan-nav.is-open a.active::after{display:none;}
  .cat-hero-inner{grid-template-columns:1fr;padding:44px 0 52px;}
  .arch-figure{aspect-ratio:16/9;max-width:560px;border-radius:24px;}
  .arch-figure::after{border-radius:16px;}
  .card-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step:nth-child(3){border-left:none;padding-left:0;}
  .step{padding:24px 20px 8px;}
  .step:nth-child(odd){border-left:none;padding-left:0;}
  .check-band{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:40px;}
  .cta-light{padding:36px;}
  .cta-light h2{font-size:25px;}
}
@media (max-width:767px){
  :root{--section-gap:52px;}
  body{font-size:15px;}
  .container{padding:0 18px;}
  .cat-hero h1{font-size:30px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:28px;}
  .section-head h2{font-size:24px;}
  .hero-facts .fact{padding:0 14px;}
  .fact-num{font-size:22px;}
  .cta-light{padding:28px;}
  .cta-light .actions .btn{width:100%;}
  .btn{width:auto;}
  .hero-facts{border-top:1px solid var(--line);}
}
@media (max-width:520px){
  .cat-hero h1{font-size:26px;}
  .steps{grid-template-columns:1fr;}
  .step,.step:nth-child(odd),.step:nth-child(3){border-left:none;padding-left:0;border-top:1px solid var(--line);}
  .step:first-child{border-top:none;}
  .guide-card .body{padding:18px;}
  .hero-facts{gap:18px 0;}
  .hero-facts .fact{flex:1 1 100%;border-left:none;padding:0;}
  .footer-cols{grid-template-columns:1fr 1fr;}
  .faq-item summary{font-size:16px;padding:18px 0 18px 14px;}
  .faq-body{padding-left:14px;}
}

/* roulang page: category2 */
:root{
  --ink:#1C211F;
  --ink-2:#5A6660;
  --ink-3:#8A948E;
  --paper:#F6F4EE;
  --card:#FFFFFF;
  --line:#E2DED2;
  --brand:#12463B;
  --brand-deep:#0A2B24;
  --brand-soft:#DCEBE3;
  --accent:#E16A3D;
  --accent-soft:#FBE4DA;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:12px;
  --shadow-1:0 6px 24px rgba(18,70,59,.07);
  --shadow-2:0 10px 32px rgba(18,70,59,.12);
  --container:1200px;
  --space-section:96px;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .15s ease,border-color .15s ease,background-color .15s ease;}
a:hover{color:var(--accent);}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:6px;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--ink);}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--space-section) 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.section-head h2{
  font-size:32px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
}
.section-head p{
  color:var(--ink-2);
  font-size:15px;
  max-width:640px;
  margin-top:12px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--brand);
  background:var(--brand-soft);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--accent);
}
.rule-line{
  height:1px;
  background:var(--line);
  border:0;
}
/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:14px 26px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  transition:background-color .15s ease,color .15s ease,border-color .15s ease,transform .15s ease,box-shadow .15s ease;
}
.btn .arw{transition:transform .15s ease;display:inline-block;}
.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:var(--shadow-1);
}
.btn-primary:hover{
  background:var(--brand-deep);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--shadow-2);
}
.btn-primary:hover .arw{transform:translateX(3px);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--line);
}
.btn-ghost:hover{
  background:var(--brand-soft);
  border-color:var(--brand);
  color:var(--brand);
}
.btn-ghost:active{background:var(--brand-soft);}
.btn:disabled,.btn[aria-disabled="true"]{
  opacity:.45;
  cursor:not-allowed;
  transform:none;
  box-shadow:none;
}
.link-more{
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:color .15s ease;
}
.link-more:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px;}
/* ---------- 头部导航 ---------- */
.site-header{
  background:rgba(246,244,238,.94);
  backdrop-filter:saturate(140%) blur(6px);
  position:sticky;
  top:0;
  z-index:60;
}
.brand-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:16px 0;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:12px;
  color:var(--ink);
  font-weight:700;
}
.logo:hover{color:var(--ink);}
.logo-seal{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:8px;
  background:var(--brand);
  color:#fff;
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  flex:none;
}
.logo-text{
  font-size:19px;
  font-weight:700;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand-aux{
  display:flex;
  align-items:center;
  gap:14px;
  margin-left:auto;
  font-size:13px;
}
.brand-aux a{color:var(--ink-2);}
.brand-aux a:hover{color:var(--accent);}
.aux-divider{
  width:1px;height:12px;
  background:var(--line);
  display:inline-block;
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--card);
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--brand);
  border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle:hover{border-color:var(--brand);background:var(--brand-soft);}
.chan-nav{
  display:flex;
  align-items:center;
  gap:6px;
  flex-wrap:wrap;
  border-top:1px solid var(--line);
  padding:10px 0 0;
}
.chan-nav a{
  position:relative;
  display:inline-block;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  padding:9px 16px;
  border-radius:999px;
  transition:color .15s ease,background-color .15s ease;
}
.chan-nav a:hover{
  color:var(--brand);
  background:var(--brand-soft);
}
.chan-nav a.active{
  color:var(--brand);
  background:var(--brand-soft);
  font-weight:600;
}
.chan-nav a.active::after{
  content:"";
  position:absolute;
  left:16px;right:16px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
}
.chan-line{height:1px;background:var(--line);}
/* ---------- 分类 Hero ---------- */
.page-hero{
  padding:56px 0 48px;
  background:linear-gradient(180deg,#FBF9F4 0%,var(--paper) 100%);
  border-bottom:1px solid var(--line);
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:22px;
  flex-wrap:wrap;
}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:var(--line);}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:48px;
  align-items:center;
}
.page-hero h1{
  font-size:38px;
  line-height:1.28;
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:18px;
  max-width:16em;
}
.page-hero .lead{
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:660px;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.tag-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:500;
  color:var(--brand);
  background:var(--card);
  border:1px solid var(--line);
  border-radius:999px;
  padding:8px 16px;
  transition:border-color .15s ease,background-color .15s ease,color .15s ease,transform .15s ease;
}
.tag-pill:hover{
  border-color:var(--brand);
  background:var(--brand-soft);
  color:var(--brand);
  transform:translateY(-1px);
}
.arch-media{
  position:relative;
  border-radius:50% 50% var(--radius-img) var(--radius-img) / 34% 34% var(--radius-img) var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--brand-soft);
  aspect-ratio:4/3;
  box-shadow:var(--shadow-1);
}
.arch-media img{
  width:100%;height:100%;
  object-fit:cover;
}
.arch-media::after{
  content:"";
  position:absolute;
  inset:10px;
  border:1px solid rgba(255,255,255,.5);
  border-radius:50% 50% 10px 10px / 34% 34% 10px 10px;
  pointer-events:none;
}
.hero-meta{
  display:flex;
  gap:28px;
  flex-wrap:wrap;
  margin-top:30px;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.hero-meta div{min-width:120px;}
.hero-meta dt{
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:4px;
}
.hero-meta dd{
  margin:0;
  font-size:17px;
  font-weight:600;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
}
/* ---------- 答疑长列表 + 侧栏 ---------- */
.answer-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 330px;
  gap:44px;
  align-items:start;
}
.answer-list{
  counter-reset:answer;
}
.answer-item{
  display:grid;
  grid-template-columns:76px minmax(0,1fr);
  gap:20px;
  padding:28px 0;
  border-bottom:1px solid var(--line);
}
.answer-item:first-child{padding-top:0;}
.answer-no{
  font-size:28px;
  font-weight:700;
  line-height:1.1;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.answer-no small{
  display:block;
  font-size:11px;
  font-weight:500;
  letter-spacing:.16em;
  color:var(--ink-3);
  margin-top:6px;
}
.answer-body h3{
  font-size:19px;
  font-weight:600;
  line-height:1.45;
  margin-bottom:10px;
}
.answer-body p{
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
  margin-bottom:10px;
}
.answer-body p:last-child{margin-bottom:0;}
.answer-body strong{
  color:var(--ink);
  font-weight:600;
}
.fix-line{
  display:flex;
  gap:10px;
  align-items:flex-start;
  background:var(--brand-soft);
  border-radius:10px;
  padding:12px 14px;
  font-size:14px;
  line-height:1.75;
  color:var(--brand);
  margin-top:12px;
}
.fix-line .fx{
  flex:none;
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--brand);
  background:#fff;
  border-radius:6px;
  padding:2px 8px;
  margin-top:2px;
}
.aside-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-1);
}
.aside-stack{
  position:sticky;
  top:96px;
  display:grid;
  gap:20px;
}
.aside-card h3{
  font-size:17px;
  font-weight:600;
  margin-bottom:14px;
}
.aside-card ul{display:grid;gap:12px;}
.aside-card li{
  font-size:14px;
  line-height:1.7;
  color:var(--ink-2);
  padding-left:20px;
  position:relative;
}
.aside-card li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--accent);
  opacity:.85;
}
.aside-card .aside-note{
  font-size:13px;
  color:var(--ink-3);
  margin-top:14px;
  line-height:1.7;
}
.aside-media{
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--brand-soft);
  margin-bottom:16px;
}
.aside-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.aside-card .btn{
  width:100%;
  margin-top:16px;
}
/* ---------- 步骤条 ---------- */
.steps-band{
  background:var(--brand-deep);
  color:#fff;
  padding:72px 0;
}
.steps-band .eyebrow{
  background:rgba(255,255,255,.12);
  color:#E7F2EC;
}
.steps-band h2{
  font-size:30px;
  line-height:1.35;
  font-weight:700;
  color:#fff;
  margin-bottom:12px;
}
.steps-band > .container > p{
  color:rgba(255,255,255,.72);
  font-size:15px;
  max-width:640px;
}
.steps-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;
  background:rgba(255,255,255,.16);
  border-radius:var(--radius-card);
  overflow:hidden;
  margin-top:36px;
}
.step-cell{
  background:var(--brand-deep);
  padding:30px 26px;
}
.step-cell .num{
  font-size:13px;
  font-weight:600;
  letter-spacing:.18em;
  color:#F2B79E;
  font-variant-numeric:tabular-nums;
}
.step-cell h3{
  font-size:19px;
  font-weight:600;
  color:#fff;
  margin:12px 0 10px;
}
.step-cell p{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.72);
}
/* ---------- 图文条 ---------- */
.split{
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  gap:52px;
  align-items:center;
}
.split-media{
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--brand-soft);
  box-shadow:var(--shadow-1);
}
.split-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.split h2{
  font-size:30px;
  line-height:1.35;
  font-weight:700;
  margin-bottom:16px;
  letter-spacing:-.01em;
}
.split > div > p{
  color:var(--ink-2);
  font-size:15px;
  line-height:1.85;
  margin-bottom:22px;
}
.point-list{display:grid;gap:0;}
.point-list li{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:14px;
  padding:16px 0;
  border-top:1px solid var(--line);
}
.point-list li:first-child{border-top:0;padding-top:0;}
.point-list .dot{
  width:26px;height:26px;
  border-radius:8px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-top:2px;
  flex:none;
}
.point-list h3{
  font-size:16px;
  font-weight:600;
  margin-bottom:4px;
}
.point-list p{
  font-size:14px;
  line-height:1.8;
  color:var(--ink-2);
}
/* ---------- 反馈卡 ---------- */
.voices-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.voice-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .15s ease,transform .15s ease,border-color .15s ease;
}
.voice-card:hover{
  box-shadow:var(--shadow-2);
  transform:translateY(-2px);
  border-color:#C9DED3;
}
.voice-card .quote{
  font-size:30px;
  line-height:1;
  color:var(--accent);
  font-weight:700;
  margin-bottom:10px;
}
.voice-card p{
  font-size:15px;
  line-height:1.85;
  color:var(--ink);
  margin-bottom:20px;
}
.voice-who{
  display:flex;
  align-items:center;
  gap:12px;
  border-top:1px solid var(--line);
  padding-top:16px;
}
.avatar{
  width:40px;height:40px;
  border-radius:50%;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:14px;
  font-weight:600;
  display:flex;
  align-items:center;
  justify-content:center;
  flex:none;
}
.voice-who strong{
  display:block;
  font-size:14px;
  font-weight:600;
}
.voice-who span{
  font-size:13px;
  color:var(--ink-3);
}
/* ---------- FAQ ---------- */
.faq-wrap{
  max-width:820px;
  margin:0 auto;
}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item:first-child{
  border-top:1px solid var(--line);
}
.faq-item summary{
  list-style:none;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:24px;
  padding:20px 0 20px 18px;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  position:relative;
  cursor:pointer;
  transition:color .15s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  font-size:20px;
  font-weight:500;
  line-height:1;
  color:var(--brand);
  flex:none;
  margin-top:3px;
  transition:transform .2s ease,color .15s ease;
}
.faq-item summary:hover{color:var(--brand);}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary::before{
  content:"";
  position:absolute;
  left:0;top:20px;bottom:20px;
  width:3px;
  border-radius:3px;
  background:var(--accent);
}
.faq-item[open] summary::after{
  content:"−";
  color:var(--accent);
}
.faq-body{
  padding:0 0 22px 18px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:720px;
}
/* ---------- CTA + 表单 ---------- */
.cta-block{
  background:var(--brand-soft);
  border:1px solid #C9DED3;
  border-radius:20px;
  padding:44px;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,.95fr);
  gap:44px;
  align-items:start;
}
.cta-block h2{
  font-size:28px;
  line-height:1.35;
  font-weight:700;
  margin-bottom:14px;
}
.cta-block p{
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
  margin-bottom:22px;
}
.cta-list{display:grid;gap:10px;margin-bottom:26px;}
.cta-list li{
  font-size:14px;
  color:var(--brand);
  padding-left:22px;
  position:relative;
  line-height:1.7;
}
.cta-list li::before{
  content:"";
  position:absolute;
  left:0;top:8px;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--brand);
  opacity:.7;
}
.form-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px;
  box-shadow:var(--shadow-1);
}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--ink-2);
  margin-bottom:7px;
}
.field input,
.field select,
.field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:10px;
  padding:12px 14px;
  background:#FDFCF9;
  transition:border-color .15s ease,box-shadow .15s ease,background-color .15s ease;
}
.field textarea{resize:vertical;min-height:96px;line-height:1.7;}
.field input:hover,
.field select:hover,
.field textarea:hover{border-color:#CFD9D2;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--brand);
  background:#fff;
  box-shadow:0 0 0 3px rgba(18,70,59,.12);
}
.field input:invalid:not(:placeholder-shown){
  border-color:var(--accent);
}
.form-note{
  font-size:12px;
  color:var(--ink-3);
  line-height:1.7;
  margin-top:10px;
}
.form-feedback{
  display:none;
  margin-top:14px;
  background:var(--brand-soft);
  border-radius:10px;
  padding:12px 14px;
  font-size:14px;
  color:var(--brand);
  line-height:1.7;
}
.form-feedback.show{display:block;}
.form-card .btn{width:100%;}
/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-deep);
  color:rgba(255,255,255,.78);
  padding:64px 0 28px;
  margin-top:96px;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);
  gap:56px;
  padding-bottom:40px;
}
.footer-brand .logo{
  color:#fff;
  margin-bottom:16px;
}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-seal{
  background:rgba(255,255,255,.12);
  color:#fff;
  border:1px solid rgba(255,255,255,.24);
}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.7);
  max-width:380px;
  margin-bottom:18px;
}
.footer-contact{
  font-size:13px;
  line-height:2;
  color:rgba(255,255,255,.62);
}
.footer-contact a{color:#F2B79E;}
.footer-contact a:hover{color:#fff;}
.footer-cols{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.footer-col h4{
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:rgba(255,255,255,.55);
  margin-bottom:16px;
}
.footer-col a{
  display:block;
  font-size:14px;
  color:rgba(255,255,255,.78);
  padding:6px 0;
  transition:color .15s ease;
}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding-top:22px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 24px;}
  .answer-layout{grid-template-columns:minmax(0,1fr) 300px;gap:32px;}
}
@media (max-width:991px){
  :root{--space-section:72px;}
  .brand-aux{display:none;}
  .nav-toggle{display:flex;}
  .chan-nav{
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    border-top:1px solid var(--line);
    padding:10px 0 16px;
  }
  .chan-nav.open{display:flex;}
  .chan-nav a{
    font-size:17px;
    padding:14px 16px;
    border-radius:10px;
    border-left:3px solid transparent;
  }
  .chan-nav a.active{
    border-left-color:var(--brand);
    border-radius:10px;
    background:var(--brand-soft);
  }
  .chan-nav a.active::after{display:none;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .arch-media{max-width:520px;}
  .page-hero h1{font-size:32px;}
  .answer-layout{grid-template-columns:minmax(0,1fr);}
  .aside-stack{position:static;}
  .steps-grid{grid-template-columns:minmax(0,1fr);}
  .split{grid-template-columns:minmax(0,1fr);gap:32px;}
  .voices-grid{grid-template-columns:minmax(0,1fr);}
  .cta-block{grid-template-columns:minmax(0,1fr);padding:34px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:40px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (max-width:767px){
  :root{--space-section:52px;}
  .container{padding:0 18px;}
  .logo-text{font-size:17px;}
  .page-hero{padding:36px 0 34px;}
  .page-hero h1{font-size:27px;}
  .section-head h2,.split h2,.steps-band h2{font-size:23px;}
  .cta-block h2{font-size:22px;}
  .answer-item{grid-template-columns:56px minmax(0,1fr);gap:14px;padding:24px 0;}
  .answer-no{font-size:23px;}
  .answer-body h3{font-size:17px;}
  .faq-item summary{font-size:16px;padding:18px 0 18px 16px;}
  .btn{width:100%;}
  .btn + .btn{margin-top:10px;}
  .hero-meta{gap:18px;}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));}
  .site-footer{padding:48px 0 24px;margin-top:52px;}
}
@media (max-width:520px){
  .logo-seal{width:34px;height:34px;font-size:12px;}
  .page-hero h1{font-size:24px;}
  .aside-card,.voice-card{padding:20px;}
  .cta-block{padding:24px;}
  .form-card{padding:20px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}