/* roulang page: index */
:root{
  --primary:#0F5A4F;
  --primary-dark:#0B443C;
  --deep:#123B35;
  --accent:#C56A3D;
  --accent-deep:#A9552F;
  --accent-soft:#F1DCCF;
  --bg:#F5F0E6;
  --bg-soft:#EFE7D9;
  --card:#FFFDF8;
  --ink:#1C2421;
  --muted:#5F6B66;
  --line:#D9D1C3;
  --focus:#D99A2B;
  --radius:12px;
  --radius-btn:10px;
  --radius-modal:16px;
  --shadow:0 12px 30px rgba(28,36,33,.08);
  --shadow-lg:0 24px 56px rgba(28,36,33,.14);
  --font-serif:"Songti SC","SimSun","Noto Serif SC","Source Han Serif SC",Georgia,serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .18s ease,border-color .18s ease,background .18s ease}
a:hover{color:var(--primary-dark)}
button{font-family:inherit}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;line-height:1.24;letter-spacing:.01em;margin:0;color:var(--ink)}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0}
li{list-style:none}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
::selection{background:var(--accent-soft);color:var(--deep)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.narrow{max-width:1040px}
.section{padding:88px 0}
.section-soft{background:var(--bg-soft)}
.section-deep{background:var(--deep);color:#EFE9DC}
.section-deep h2,.section-deep h3{color:#F7F2E7}
.section-head{max-width:740px;margin-bottom:44px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--accent);margin-bottom:6px}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--accent);display:inline-block}
.section h2{font-size:clamp(26px,3.2vw,38px);margin:10px 0 14px}
.section-desc{color:var(--muted);font-size:17px;max-width:680px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;text-align:center;line-height:1.2;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.btn-primary{background:var(--primary);color:#F9F5EC}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(15,90,79,.24)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(197,106,61,.26)}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:rgba(15,90,79,.08);color:var(--primary-dark);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-lg{min-height:52px;padding:0 30px;font-size:16px}
.btn-block{width:100%}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--primary);border-bottom:1px solid rgba(15,90,79,.42);padding-bottom:1px}
.link-more:hover{color:var(--primary-dark);border-color:var(--primary-dark)}

.badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;letter-spacing:.02em;padding:4px 11px;border-radius:999px;background:var(--accent-soft);color:#7A3B1E;width:auto}
.badge-plain{background:rgba(15,90,79,.1);color:var(--primary)}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(245,240,230,.95);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(140%) blur(8px);
}
.header-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  gap:18px;height:76px;
}
.nav-left{display:flex;align-items:center;gap:30px;justify-self:start}
.nav-right{display:flex;align-items:center;gap:26px;justify-self:end}
.nav-left a,.nav-right a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:6px 0;
}
.nav-left a::after,.nav-right a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-left a:hover,.nav-right a:hover{color:var(--primary)}
.nav-left a:hover::after,.nav-right a:hover::after{transform:scaleX(1)}
.nav-left a.is-active,.nav-right a.is-active{color:var(--primary);font-weight:600}
.nav-left a.is-active::after,.nav-right a.is-active::after{transform:scaleX(1)}
.brand{display:flex;align-items:center;gap:10px;justify-self:center;white-space:nowrap}
.brand-mark{
  display:inline-block;background:var(--deep);color:#F3EDE0;
  font-family:var(--font-sans);font-size:11.5px;font-weight:700;letter-spacing:.18em;
  padding:5px 8px;border-radius:6px;line-height:1;
}
.brand-text{font-family:var(--font-serif);font-size:20px;font-weight:700;color:var(--deep);letter-spacing:.02em}
.brand:hover .brand-text{color:var(--primary)}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:var(--card);cursor:pointer;align-items:center;justify-content:center;
  flex-direction:column;gap:4px;padding:0;justify-self:start;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{
  max-height:0;overflow:hidden;background:var(--card);
  border-top:1px solid transparent;
  transition:max-height .32s ease,border-color .32s ease;
}
.mobile-panel.is-open{max-height:520px;border-top-color:var(--line)}
.mobile-nav{display:grid;gap:2px;padding:14px 0 8px}
.mobile-nav a{
  padding:13px 4px;font-size:16px;font-weight:500;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-nav a:hover{color:var(--primary)}
.mobile-panel .btn-block{margin:14px 0 20px}

/* Hero */
.hero{padding:76px 0 88px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(34px,4.6vw,56px);margin:14px 0 20px}
.hero-sub{font-size:18px;color:var(--muted);max-width:540px;margin-bottom:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-trust{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;
  margin-top:28px;font-size:13.5px;color:var(--muted);
}
.hero-trust span{display:inline-flex;align-items:center;gap:7px}
.hero-trust span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
.hero-media{position:relative;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-lg)}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-media .veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(197,106,61,.12) 0%,rgba(18,59,53,.34) 100%);
}
.hero-fact{
  position:absolute;left:18px;bottom:18px;right:18px;
  background:rgba(255,253,248,.96);border:1px solid var(--line);
  border-radius:12px;padding:12px 16px;font-size:13.5px;color:var(--deep);
  display:flex;align-items:center;gap:10px;line-height:1.5;
}
.hero-fact strong{font-family:var(--font-serif);font-size:15px;color:var(--accent-deep)}

/* 痛点区 */
.pain-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:56px;align-items:start}
.pain-intro .section-head{margin-bottom:22px}
.pain-note{color:var(--muted);font-size:16px;margin-bottom:26px}
.pain-list{border-top:1px solid var(--line)}
.pain-list li{
  display:grid;grid-template-columns:58px 1fr;gap:14px;
  padding:22px 0;border-bottom:1px solid var(--line);align-items:start;
}
.pain-num{
  font-family:var(--font-serif);font-size:21px;color:var(--accent);
  font-variant-numeric:tabular-nums;line-height:1.4;padding-top:2px;
}
.pain-list p{margin:0;font-size:17px;color:var(--ink)}

/* 方案阶梯 */
.plan-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:56px;align-items:start}
.plan-intro{position:sticky;top:104px}
.plan-intro h2{font-size:clamp(26px,3.2vw,38px);margin:10px 0 16px}
.plan-intro p{color:var(--muted);font-size:16.5px}
.plan-figure{margin-top:26px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.plan-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.plans{display:grid;gap:20px}
.plan-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:0 8px 22px rgba(28,36,33,.05);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.plan-card:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--shadow)}
.plan-card.featured{border-color:var(--accent);border-width:1px;box-shadow:0 16px 36px rgba(197,106,61,.16)}
.plan-card h3{font-size:22px;margin:14px 0 10px}
.plan-for{
  font-size:14.5px;color:var(--muted);margin:0 0 18px;padding-bottom:18px;
  border-bottom:1px dashed var(--line);
}
.plan-points{display:grid;gap:11px;margin-bottom:24px;font-size:15.5px}
.plan-points li{position:relative;padding-left:20px;color:#2A332F}
.plan-points li::before{
  content:"";position:absolute;left:0;top:10px;width:7px;height:7px;
  border-radius:2px;background:var(--accent);transform:rotate(45deg);
}

/* 流程带 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:44px}
.step{border-top:2px solid rgba(241,220,207,.38);padding-top:20px}
.step .num{
  font-family:var(--font-serif);font-size:30px;color:var(--accent-soft);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.step h3{font-size:18px;margin:8px 0 10px;color:#FFFDF8}
.step p{color:#C4CFC8;font-size:15px;margin:0}
.deep-note{margin-top:38px;font-size:14px;color:#A9B8B0}

/* 最新信息 */
.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);overflow:hidden;
  box-shadow:0 6px 18px rgba(28,36,33,.05);color:var(--ink);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.news-card:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--shadow);color:var(--ink)}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:#E7DFD1}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{font-size:19px;line-height:1.5;margin:0;color:var(--deep)}
.news-excerpt{
  font-size:15px;color:var(--muted);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;
}
.empty-state{
  grid-column:1/-1;background:var(--card);border:1px dashed var(--line);
  border-radius:var(--radius);padding:52px 26px;text-align:center;
}
.empty-state h3{font-size:20px;margin-bottom:10px}
.empty-state p{color:var(--muted);font-size:16px;margin-bottom:22px}
.empty-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}

/* FAQ */
.faq{border-top:1px solid var(--line);max-width:920px}
.faq details{
  border-bottom:1px solid var(--line);padding:0 18px;border-radius:8px;
  transition:background-color .2s ease;
}
.faq details[open]{background:#F7EFE3}
.faq summary{
  list-style:none;cursor:pointer;display:flex;justify-content:space-between;
  align-items:center;gap:18px;padding:20px 0;font-size:17px;font-weight:600;color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";font-family:var(--font-sans);font-size:22px;line-height:1;
  color:var(--accent);flex:none;transition:transform .2s ease;
}
.faq details[open] summary::after{content:"−"}
.faq summary:hover{color:var(--primary)}
.faq .answer{padding:0 0 22px;color:var(--muted);font-size:16px;max-width:760px}
.faq .answer p:last-child{margin-bottom:0}

/* CTA 带 */
.cta-wrap{padding:0 0 88px}
.cta-band{
  background:var(--deep);color:#EFE9DC;border-radius:20px;
  padding:56px;display:grid;grid-template-columns:1.35fr .65fr;
  gap:36px;align-items:center;box-shadow:0 26px 60px rgba(18,59,53,.24);
}
.cta-band h2{color:#FBF7EC;font-size:clamp(24px,2.8vw,32px);margin:0 0 14px}
.cta-band p{color:#C4CFC8;font-size:16.5px;margin:0}
.cta-actions{display:flex;flex-direction:column;gap:12px}

/* 页脚 */
.site-footer{background:var(--deep);color:#D9D2C2;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .9fr 1.1fr;gap:40px}
.footer-brand .brand-text{color:#FBF7EC;font-size:21px}
.footer-brand .brand-mark{background:rgba(241,220,207,.16);color:#F5E9DC}
.footer-brand p{color:#B7C2BA;font-size:14.5px;margin:16px 0 0;max-width:320px}
.footer-col h4{font-family:var(--font-sans);font-size:14px;letter-spacing:.1em;color:#FBF7EC;margin:0 0 16px;font-weight:700}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:#D9D2C2;font-size:15px}
.footer-col a:hover{color:var(--accent-soft)}
.footer-col p{color:#B7C2BA;font-size:14.5px;margin:0 0 10px}
.footer-privacy{
  margin-top:44px;padding:20px 22px;border-radius:12px;
  background:rgba(241,220,207,.08);border:1px solid rgba(241,220,207,.18);
  color:#B7C2BA;font-size:13.5px;line-height:1.8;
}
.footer-bottom{
  border-top:1px solid rgba(241,220,207,.18);margin-top:34px;
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px 24px;
  justify-content:space-between;font-size:13.5px;color:#9FAAA3;
}

/* 弹层 */
.modal{position:fixed;inset:0;z-index:120;display:none}
.modal.is-open{display:block}
.modal-backdrop{position:absolute;inset:0;background:rgba(9,28,25,.74)}
.modal-dialog{
  position:relative;margin:6vh auto;width:calc(100% - 32px);max-width:640px;
  max-height:88vh;overflow:auto;background:var(--card);
  border-radius:var(--radius-modal);padding:36px;box-shadow:0 30px 70px rgba(0,0,0,.36);
}
.modal-close{
  position:absolute;right:14px;top:14px;width:38px;height:38px;
  border-radius:10px;border:1px solid var(--line);background:transparent;
  font-size:20px;line-height:1;color:var(--ink);cursor:pointer;
  transition:background-color .18s ease,border-color .18s ease;
}
.modal-close:hover{background:var(--bg);border-color:var(--primary)}
.modal-dialog h2{font-size:26px;margin-bottom:8px}
.modal-sub{color:var(--muted);font-size:15px;margin-bottom:24px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field.full{grid-column:1/-1}
.form-field label{font-size:14px;font-weight:600;color:var(--ink)}
.form-field input,.form-field select,.form-field textarea{
  width:100%;min-height:46px;border:1px solid var(--line);border-radius:10px;
  padding:0 14px;font-size:15px;font-family:inherit;background:#fff;color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.form-field textarea{min-height:108px;padding:12px 14px;resize:vertical;line-height:1.7}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  border-color:var(--primary);
  outline:3px solid rgba(217,154,43,.35);outline-offset:1px;
}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted)}
.checkbox-row input[type="checkbox"]{width:18px;height:18px;min-height:0;margin-top:4px;flex:none}
.checkbox-row a{color:var(--primary);border-bottom:1px solid rgba(15,90,79,.4)}
.form-note{font-size:13px;color:var(--muted);line-height:1.7;margin:0}
.form-submit{margin-top:4px}
.form-tip{display:none;margin-top:14px;font-size:15px;font-weight:600;color:var(--primary)}
.form-tip.show{display:block}

/* 响应式 */
@media (max-width:1023px){
  .section{padding:64px 0}
  .hero{padding:52px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-sub{max-width:none}
  .pain-grid,.plan-grid{grid-template-columns:1fr;gap:34px}
  .plan-intro{position:static}
  .steps{grid-template-columns:repeat(2,1fr);gap:24px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .cta-wrap{padding-bottom:64px}
  .cta-band{grid-template-columns:1fr;padding:40px}
  .cta-actions{flex-direction:row;flex-wrap:wrap}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .header-inner{grid-template-columns:48px 1fr 48px;height:64px}
  .nav-left,.nav-right{display:none}
  .menu-toggle{display:inline-flex}
  .brand{grid-column:2;justify-self:center}
  .brand-text{font-size:18px}
  .header-spacer{grid-column:3}
}
@media (max-width:639px){
  body{font-size:16px}
  .container{padding:0 18px}
  .section{padding:44px 0}
  .hero{padding:36px 0 48px}
  .hero h1{font-size:clamp(30px,8.4vw,38px)}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .section-head{margin-bottom:30px}
  .pain-list li{grid-template-columns:44px 1fr;padding:18px 0}
  .plan-card{padding:22px}
  .steps{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 22px;border-radius:16px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .modal-dialog{
    margin:0;width:100%;max-width:none;height:100%;max-height:100vh;
    border-radius:0;padding:28px 20px 40px;
  }
  .form-grid{grid-template-columns:1fr}
  .empty-state{padding:36px 18px}
  .empty-actions .btn{width:100%}
}

/* roulang page: article */
:root{
  --primary:#0F5A4F;
  --primary-dark:#123B35;
  --primary-deep:#0B443B;
  --accent:#C56A3D;
  --accent-dark:#B25C31;
  --accent-soft:#F1DCCF;
  --paper:#F5F0E6;
  --card:#FFFDF8;
  --ink:#1C2421;
  --ink-soft:#5F6B66;
  --line:#D9D1C3;
  --focus:#D99A2B;
  --radius-card:12px;
  --radius-btn:10px;
  --radius-modal:16px;
  --shadow:0 12px 30px rgba(28,36,33,.08);
  --shadow-lg:0 20px 44px rgba(28,36,33,.14);
  --s1:8px;--s2:16px;--s3:24px;--s4:32px;--s5:48px;--s6:64px;--s7:88px;
  --serif:"Songti SC","STSong","Source Han Serif SC","Noto Serif SC",Georgia,serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,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(--ink);font-family:var(--sans);font-size:17px;line-height:1.85;letter-spacing:.01em;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;border-radius:12px;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4{font-family:var(--serif);line-height:1.22;letter-spacing:.01em;font-weight:700;margin:0 0 .6em;}
p{margin:0 0 1.1em;}
button{font-family:inherit;}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.tag-mono{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;line-height:1.2;transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;text-align:center;}
.btn-primary{background:var(--primary);color:#FBF8F1;border-color:var(--primary);}
.btn-primary:hover{background:var(--primary-deep);border-color:var(--primary-deep);color:#FFFFFF;transform:translateY(-1px);box-shadow:0 10px 22px rgba(15,90,79,.22);}
.btn-ghost{background:transparent;color:var(--primary);border-color:rgba(15,90,79,.42);}
.btn-ghost:hover{background:rgba(15,90,79,.08);border-color:var(--primary);color:var(--primary-dark);transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:#FFF8F2;border-color:var(--accent);}
.btn-accent:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#FFFFFF;transform:translateY(-1px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(245,240,230,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(8px);}
.header-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;min-height:76px;}
.nav-left,.nav-right{display:flex;align-items:center;gap:26px;}
.nav-right{justify-content:flex-end;}
.nav-left a,.nav-right a{position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:6px 0;white-space:nowrap;}
.nav-left a::after,.nav-right a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
.nav-left a:hover,.nav-right a:hover{color:var(--primary);}
.nav-left a:hover::after,.nav-right a:hover::after{transform:scaleX(1);}
.nav-left a.is-active::after,.nav-right a.is-active::after{transform:scaleX(1);}
.nav-left a.is-active::before,.nav-right a.is-active::before{content:"";position:absolute;left:50%;top:-12px;width:5px;height:5px;border-radius:50%;background:var(--accent);transform:translateX(-50%);}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center;}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;min-width:46px;height:34px;padding:0 9px;border:1px solid rgba(15,90,79,.32);border-radius:8px;background:rgba(15,90,79,.07);font-family:var(--serif);font-size:14px;font-weight:700;letter-spacing:.12em;color:var(--primary);}
.brand-text{font-family:var(--serif);font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.02em;white-space:nowrap;}
.brand:hover .brand-text{color:var(--primary);}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--card);border-radius:10px;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;padding:0;}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .22s ease,opacity .22s ease;}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.header-spacer{display:none;}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--paper);}
.mobile-nav{display:flex;flex-direction:column;padding:8px 0 2px;}
.mobile-nav a{padding:14px 0;font-size:16px;color:var(--ink);border-bottom:1px solid rgba(217,209,195,.65);}
.mobile-nav a:hover{color:var(--primary);}
.mobile-panel .btn{margin:16px 0 22px;}

/* ---------- 页面头 / 面包屑 ---------- */
.page-head{padding:36px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-soft);margin-bottom:26px;line-height:1.6;}
.breadcrumb a{color:var(--ink-soft);}
.breadcrumb a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--ink);font-weight:600;max-width:min(100%,46ch);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;background:var(--accent-soft);color:#7A3B1E;font-size:13px;font-weight:600;letter-spacing:.02em;}
.article-head{max-width:880px;margin-bottom:38px;}
.article-head h1{font-size:clamp(30px,3.9vw,46px);margin:18px 0 20px;overflow-wrap:break-word;color:var(--ink);}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:14px;color:var(--ink-soft);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.article-meta time{font-variant-numeric:tabular-nums;}

/* ---------- 文章布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,760px) 240px;gap:40px;justify-content:center;align-items:start;padding-bottom:24px;}
.article-body{font-size:17px;line-height:1.85;color:#212A26;counter-reset:h2c;min-width:0;overflow-wrap:break-word;}
.article-body > *:first-child{margin-top:0;}
.article-body h2{counter-increment:h2c;font-size:clamp(22px,2.4vw,28px);margin:2.1em 0 .8em;}
.article-body h2::before{content:counter(h2c,decimal-leading-zero);display:block;font-family:var(--sans);font-size:12.5px;font-weight:700;letter-spacing:.2em;color:var(--accent);margin-bottom:8px;}
.article-body h3{font-size:21px;margin:1.7em 0 .6em;}
.article-body h4{font-size:18px;margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.5em;}
.article-body li{margin-bottom:.45em;}
.article-body blockquote{margin:1.6em 0;padding:18px 24px;border-left:4px solid var(--primary);background:#EEE7D9;border-radius:0 12px 12px 0;color:#28332E;}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{margin:1.6em 0;border-radius:12px;box-shadow:var(--shadow);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13.5px;color:var(--ink-soft);text-align:center;margin-top:10px;}
.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:1.6em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap;}
.article-body th{background:#EEE7D9;font-weight:700;}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(15,90,79,.35);}
.article-body a:hover{text-decoration-color:var(--accent);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0;}

/* ---------- 侧栏目录 ---------- */
.article-aside{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px;}
.toc-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow);}
.toc-title{font-family:var(--sans);font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--ink-soft);margin:0 0 14px;}
.toc-list{list-style:none;margin:0;padding:0;font-size:14px;}
.toc-list li{margin:0 0 4px;}
.toc-list a{display:block;color:var(--ink-soft);border-left:2px solid transparent;padding:6px 0 6px 12px;line-height:1.55;transition:color .18s ease,border-color .18s ease;}
.toc-list a:hover{color:var(--primary);border-left-color:var(--primary);}
.toc-list .lvl-3 a{padding-left:26px;font-size:13px;}
.toc-toggle{display:none;width:100%;align-items:center;justify-content:space-between;background:none;border:0;padding:0;font-size:15px;font-weight:700;color:var(--ink);cursor:pointer;}
.toc-toggle span{font-size:20px;line-height:1;color:var(--accent);transition:transform .2s ease;}
.aside-cta{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow);}
.aside-cta p{font-size:14px;color:var(--ink-soft);margin:0 0 14px;line-height:1.7;}

/* ---------- 正文内 CTA ---------- */
.inline-cta{margin:52px 0 0;padding:28px 30px;background:var(--primary-dark);border-radius:var(--radius-card);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;box-shadow:var(--shadow);}
.inline-cta h2{font-size:22px;color:#FBF8F1;margin:0 0 6px;}
.inline-cta p{margin:0;font-size:15px;color:rgba(251,248,241,.76);}

/* ---------- 继续了解 ---------- */
.continue-section{max-width:1040px;margin:0 auto;padding:64px 0 24px;}
.continue-section h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.continue-lead{color:var(--ink-soft);font-size:15.5px;margin:0 0 28px;}
.continue-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.k-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;}
.k-card:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--shadow-lg);}
.k-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;}
.k-card-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.k-card-body h3{font-size:19px;margin:0 0 8px;}
.k-card-body p{font-size:14.5px;color:var(--ink-soft);margin:0 0 16px;line-height:1.7;}
.k-card-body .more{margin-top:auto;font-size:14px;font-weight:600;color:var(--primary);}
.k-card-body .more::after{content:"→";margin-left:6px;display:inline-block;transition:transform .2s ease;}
.k-card:hover .k-card-body .more::after{transform:translateX(3px);}

/* ---------- 空态 ---------- */
.empty-wrap{max-width:760px;margin:0 auto;padding:16px 0 72px;}
.empty-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:40px 32px;box-shadow:var(--shadow);text-align:center;}
.empty-card h1{font-size:clamp(26px,3.2vw,34px);margin:0 0 14px;}
.empty-card p{color:var(--ink-soft);font-size:16px;margin:0 0 24px;}
.empty-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}

/* ---------- 弹层表单 ---------- */
.modal{position:fixed;inset:0;z-index:200;display:none;}
.modal.is-open{display:block;}
.modal-backdrop{position:absolute;inset:0;background:rgba(18,59,53,.74);}
.modal-dialog{position:relative;max-width:640px;margin:6vh auto;background:var(--card);border-radius:var(--radius-modal);padding:32px;box-shadow:0 28px 64px rgba(18,59,53,.4);max-height:88vh;overflow:auto;}
.modal-close{position:absolute;top:14px;right:14px;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:var(--paper);color:var(--ink);font-size:18px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .18s ease,color .18s ease,border-color .18s ease;}
.modal-close:hover{background:var(--accent-soft);border-color:var(--accent);color:#7A3B1E;}
.modal-dialog h2{font-size:24px;margin:0 0 8px;padding-right:40px;}
.modal-lead{font-size:14.5px;color:var(--ink-soft);margin:0 0 24px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-field{display:flex;flex-direction:column;gap:6px;}
.form-field.full{grid-column:1 / -1;}
.form-field label{font-size:14px;font-weight:600;color:var(--ink);}
.form-field input,.form-field select,.form-field textarea{width:100%;min-height:46px;padding:10px 14px;border:1px solid var(--line);border-radius:10px;background:#FFFFFF;font-family:inherit;font-size:15px;color:var(--ink);transition:border-color .18s ease,box-shadow .18s ease;}
.form-field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,90,79,.14);}
.consent{display:flex;gap:10px;align-items:flex-start;margin:18px 0 8px;font-size:14px;color:var(--ink-soft);line-height:1.7;}
.consent input{width:18px;height:18px;min-height:0;margin-top:4px;flex:0 0 auto;accent-color:var(--primary);}
.form-note{font-size:13px;color:var(--ink-soft);line-height:1.7;margin:0 0 20px;}
.form-note a{text-decoration:underline;text-underline-offset:3px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--primary-dark);color:rgba(245,240,230,.82);padding:64px 0 28px;margin-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.footer-col h4{font-family:var(--sans);font-size:13.5px;font-weight:700;letter-spacing:.12em;color:#F5F0E6;margin:0 0 16px;}
.footer-col p{font-size:14px;line-height:1.8;margin:0 0 8px;color:rgba(245,240,230,.72);}
.footer-col ul{list-style:none;margin:0;padding:0;font-size:14px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:rgba(245,240,230,.84);}
.footer-col a:hover{color:var(--accent);}
.footer-brand p{margin-top:16px;max-width:34ch;}
.site-footer .brand-mark{background:rgba(245,240,230,.12);border-color:rgba(245,240,230,.26);color:#F5F0E6;}
.site-footer .brand-text{color:#F5F0E6;}
.footer-privacy{margin-top:40px;padding-top:24px;border-top:1px solid rgba(245,240,230,.16);font-size:13px;line-height:1.8;color:rgba(245,240,230,.62);}
.footer-bottom{margin-top:20px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(245,240,230,.55);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .header-inner{display:flex;justify-content:center;position:relative;min-height:64px;}
  .nav-left,.nav-right{display:none;}
  .menu-toggle{display:flex;position:absolute;right:0;top:50%;transform:translateY(-50%);}
  .header-spacer{display:none;}
  .mobile-panel.is-open{display:block;}
  .article-layout{grid-template-columns:1fr;gap:28px;justify-content:stretch;}
  .article-aside{position:static;order:-1;}
  .toc-toggle{display:flex;}
  .toc-title{display:none;}
  .toc-card .toc-inner{display:none;}
  .toc-card.is-open .toc-inner{display:block;margin-top:14px;}
  .toc-card.is-open .toc-toggle span{transform:rotate(45deg);}
  .continue-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .site-header{position:sticky;}
}
@media (min-width:1024px){
  .mobile-panel{display:none !important;}
}
@media (max-width:640px){
  body{font-size:16.5px;}
  .container{padding:0 18px;}
  .page-head{padding-top:24px;}
  .breadcrumb{font-size:13px;margin-bottom:20px;}
  .breadcrumb .current{max-width:100%;}
  .article-head{margin-bottom:28px;}
  .article-head h1{font-size:clamp(26px,7vw,34px);}
  .article-body{font-size:16.5px;}
  .article-body table{font-size:14px;}
  .inline-cta{padding:24px 20px;}
  .inline-cta .btn{width:100%;}
  .continue-section{padding:44px 0 16px;}
  .continue-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .modal-dialog{margin:0;max-width:100%;min-height:100%;max-height:100%;border-radius:0;padding:28px 20px 40px;}
  .empty-card{padding:32px 20px;}
  .empty-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding:48px 0 24px;margin-top:56px;}
}

/* roulang page: category1 */
:root{
  --brand:#0F5A4F;
  --brand-deep:#0B4740;
  --brand-dark:#123B35;
  --accent:#C56A3D;
  --accent-soft:#F1DCCF;
  --paper:#F5F0E6;
  --card:#FFFDF8;
  --ink:#1C2421;
  --muted:#5F6B66;
  --line:#D9D1C3;
  --focus:#D99A2B;
  --radius:12px;
  --radius-btn:10px;
  --radius-modal:16px;
  --shadow:0 12px 30px rgba(28,36,33,.08);
  --shadow-hover:0 18px 40px rgba(28,36,33,.14);
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC","SimSun",serif;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--paper);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{
  font-family:var(--font-serif);
  color:var(--brand-dark);
  line-height:1.22;
  letter-spacing:.01em;
  margin:0 0 .6em;
  font-weight:700;
}
h1{font-size:clamp(34px,4.6vw,56px);}
h2{font-size:clamp(26px,3.2vw,38px);}
h3{font-size:clamp(20px,2vw,23px);}
h4{font-size:18px;}
ul,ol{margin:0 0 1.1em;padding-left:1.2em;}
li{margin-bottom:.45em;}
button{font-family:inherit;}
[id]{scroll-margin-top:110px;}
::selection{background:var(--accent-soft);color:var(--brand-dark);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.narrow{max-width:1040px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(245,240,230,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(140%) blur(8px);
}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:24px;
  height:76px;
  position:relative;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:26px;}
.nav-right{justify-content:flex-end;gap:22px;}
.nav-left a,.nav-right a{
  position:relative;
  font-size:15px;
  color:var(--ink);
  padding:6px 0;
  white-space:nowrap;
}
.nav-left a::after,.nav-right a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
}
.nav-left a:hover,.nav-right a:hover{color:var(--brand);}
.nav-left a:hover::after,.nav-right a:hover::after{transform:scaleX(1);}
.nav-left a.is-active,.nav-right a.is-active{color:var(--brand-dark);font-weight:600;}
.nav-left a.is-active::after,.nav-right a.is-active::after{transform:scaleX(1);}
.nav-left a.is-active::before,.nav-right a.is-active::before{
  content:"";
  position:absolute;
  left:-11px;top:50%;
  width:5px;height:5px;
  margin-top:-1px;
  border-radius:50%;
  background:var(--accent);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  justify-self:center;
  color:var(--brand-dark);
  text-decoration:none;
}
.brand:hover{color:var(--brand-dark);}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:46px;
  height:34px;
  padding:0 8px;
  border-radius:8px;
  background:var(--brand);
  color:#FFFDF8;
  font-family:var(--font-sans);
  font-size:13px;
  font-weight:700;
  letter-spacing:.12em;
}
.brand-text{
  font-family:var(--font-serif);
  font-size:18px;
  font-weight:700;
  letter-spacing:.02em;
  white-space:nowrap;
}
.menu-toggle{
  display:none;
  width:42px;
  height:42px;
  padding:0;
  border:1px solid var(--line);
  border-radius:10px;
  background:transparent;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
}
.menu-toggle span{
  display:block;
  width:18px;
  height:2px;
  background:var(--brand-dark);
  border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.header-spacer{display:none;}
.mobile-panel{
  display:none;
  border-top:1px solid var(--line);
  background:var(--card);
  padding:18px 0 22px;
}
.mobile-panel.is-open{display:block;}
.mobile-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:16px;}
.mobile-nav a{
  display:block;
  padding:13px 4px;
  font-size:16px;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-nav a:hover{color:var(--brand);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:11px 22px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-family:var(--font-sans);
  font-size:16px;
  font-weight:600;
  line-height:1.2;
  letter-spacing:.02em;
  text-align:center;
  cursor:pointer;
  text-decoration:none;
  background-image:none;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--brand);color:#FFFDF8;border-color:var(--brand);}
.btn-primary:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#FFFDF8;transform:translateY(-1px);box-shadow:0 10px 22px rgba(15,90,79,.22);}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:rgba(15,90,79,.08);color:var(--brand-dark);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--brand-dark);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(15,90,79,.05);}
.btn-accent{background:var(--accent);color:#FFFDF8;border-color:var(--accent);}
.btn-accent:hover{background:#AE5A31;border-color:#AE5A31;color:#FFFDF8;transform:translateY(-1px);}
.btn-sm{min-height:38px;padding:8px 16px;font-size:14px;}
.btn-block{width:100%;}
.btn:focus-visible,button:focus-visible,a:focus-visible,summary:focus-visible{
  outline:3px solid var(--focus);
  outline-offset:2px;
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{
  display:inline-block;
  font-family:var(--font-sans);
  font-size:13px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--accent);
  text-transform:uppercase;
  margin-bottom:14px;
}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head p{color:var(--muted);font-size:17px;}
.lead{font-size:18px;color:var(--muted);}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:22px;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb span{color:var(--muted);}
.crumb .crumb-current{color:var(--brand-dark);font-weight:600;}

/* ---------- Hero ---------- */
.page-hero{
  background:linear-gradient(180deg,rgba(241,220,207,.42),rgba(245,240,230,0) 62%);
  padding:56px 0 72px;
  border-bottom:1px solid var(--line);
}
.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:56px;
  align-items:center;
}
.hero-copy h1{margin-bottom:18px;}
.hero-sub{
  font-size:19px;
  color:var(--brand-dark);
  font-weight:600;
  margin-bottom:16px;
  line-height:1.7;
}
.hero-text{color:var(--muted);font-size:16.5px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 18px;}
.hero-note{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--muted);
  margin:0;
}
.hero-note::before{
  content:"";
  width:7px;height:7px;
  border-radius:50%;
  background:var(--accent);
}
.hero-media{
  position:relative;
  margin:0;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  border:1px solid var(--line);
  aspect-ratio:16/10;
  background:var(--accent-soft);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media figcaption{
  position:absolute;
  left:0;bottom:0;
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 18px;
  background:rgba(18,59,53,.88);
  color:#F5F0E6;
  font-size:13.5px;
  border-top-right-radius:var(--radius);
}
.hero-media figcaption span{
  font-family:var(--font-serif);
  font-size:16px;
  color:#F1DCCF;
  letter-spacing:.08em;
}

/* ---------- 方案阶梯 ---------- */
.plan-layout{
  display:grid;
  grid-template-columns:.78fr 1.22fr;
  gap:64px;
  align-items:start;
}
.plan-aside{position:sticky;top:110px;}
.plan-aside h2{margin-bottom:16px;}
.plan-aside p{color:var(--muted);font-size:16.5px;}
.plan-aside .btn{margin-top:8px;}
.plan-list{display:flex;flex-direction:column;gap:24px;}
.plan-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px 30px;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(15,90,79,.45);}
.plan-card.is-featured{border-color:var(--accent);border-width:1.5px;}
.plan-card.is-featured::before{
  content:"多数团队从这里开始";
  position:absolute;
  top:-13px;left:26px;
  padding:3px 12px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  color:#FFFDF8;
  background:var(--accent);
  border-radius:999px;
}
.plan-top{
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom:14px;
  flex-wrap:wrap;
}
.plan-num{
  font-family:var(--font-serif);
  font-size:26px;
  font-weight:700;
  color:var(--accent);
  line-height:1;
  letter-spacing:.06em;
}
.badge{
  display:inline-block;
  padding:3px 12px;
  border-radius:999px;
  background:var(--accent-soft);
  color:var(--brand-dark);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.04em;
}
.badge-line{
  background:transparent;
  border:1px solid var(--line);
  color:var(--muted);
}
.plan-card h3{margin-bottom:10px;}
.plan-for{
  font-size:15px;
  color:var(--muted);
  padding:12px 16px;
  border-left:3px solid var(--brand);
  background:rgba(241,220,207,.32);
  border-radius:0 8px 8px 0;
  margin-bottom:18px;
}
.plan-for strong{color:var(--brand-dark);font-weight:600;}
.cap-list{list-style:none;padding:0;margin:0 0 22px;}
.cap-list li{
  position:relative;
  padding-left:24px;
  font-size:15.5px;
  color:var(--ink);
  margin-bottom:10px;
  line-height:1.75;
}
.cap-list li::before{
  content:"";
  position:absolute;
  left:2px;top:11px;
  width:9px;height:9px;
  border-left:2px solid var(--brand);
  border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);
}
.cap-list li strong{color:var(--brand-dark);}
.plan-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.plan-foot .hint{font-size:13.5px;color:var(--muted);}

/* ---------- 流程 ---------- */
.process-band{
  background:var(--brand-dark);
  color:#F5F0E6;
  padding:88px 0;
}
.process-band h2{color:#F5F0E6;}
.process-band .section-head p{color:rgba(245,240,230,.72);}
.process-band .eyebrow{color:#F1DCCF;}
.step-list{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:0;
  border-top:1px solid rgba(245,240,230,.22);
  margin-top:8px;
}
.step{
  padding:26px 20px 26px 0;
  border-right:1px solid rgba(245,240,230,.16);
  position:relative;
}
.step:last-child{border-right:none;}
.step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:50%;
  border:1px solid rgba(241,220,207,.55);
  color:#F1DCCF;
  font-family:var(--font-serif);
  font-size:15px;
  font-weight:700;
  margin-bottom:14px;
}
.step h3{
  color:#F5F0E6;
  font-size:18px;
  margin-bottom:8px;
}
.step p{
  color:rgba(245,240,230,.74);
  font-size:14.5px;
  line-height:1.75;
  margin:0;
}

/* ---------- 材料清单 ---------- */
.prepare-grid{
  display:grid;
  grid-template-columns:.8fr 1.2fr;
  gap:64px;
  align-items:start;
}
.prepare-aside p{color:var(--muted);font-size:16.5px;}
.check-list{
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.check-list li{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 24px;
  margin:0;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.check-list li:hover{border-color:rgba(15,90,79,.45);transform:translateY(-2px);box-shadow:var(--shadow);}
.check-list h4{font-size:17px;margin-bottom:6px;}
.check-list p{font-size:14.8px;color:var(--muted);margin:0;}
.check-list .idx{
  font-family:var(--font-serif);
  font-size:13px;
  letter-spacing:.1em;
  color:var(--accent);
  display:block;
  margin-bottom:8px;
}

/* ---------- FAQ ---------- */
.faq-list{
  border-top:1px solid var(--line);
  max-width:840px;
}
.faq-item{
  border-bottom:1px solid var(--line);
  background:transparent;
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:20px;
  padding:22px 4px;
  font-family:var(--font-sans);
  font-size:17px;
  font-weight:600;
  color:var(--brand-dark);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item summary::after{
  content:"+";
  flex:none;
  width:26px;height:26px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:50%;
  font-size:17px;
  font-weight:400;
  color:var(--brand);
  line-height:1;
  transition:transform .22s ease,background-color .22s ease,color .22s ease;
}
.faq-item[open] summary::after{
  content:"–";
  background:var(--brand);
  border-color:var(--brand);
  color:#FFFDF8;
}
.faq-item[open] summary{color:var(--brand);}
.faq-body{
  padding:0 4px 24px;
  color:var(--muted);
  font-size:15.8px;
  background:transparent;
}
.faq-body p{max-width:760px;}

/* ---------- 相关分类 ---------- */
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.related-card{
  display:block;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 26px 24px;
  color:var(--ink);
  text-decoration:none;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.related-card:hover{
  transform:translateY(-2px);
  border-color:var(--accent);
  box-shadow:var(--shadow-hover);
  color:var(--ink);
}
.related-card .badge{margin-bottom:14px;}
.related-card h3{font-size:19px;margin-bottom:8px;}
.related-card p{font-size:14.8px;color:var(--muted);margin:0 0 14px;}
.related-card .go{font-size:14px;font-weight:600;color:var(--brand);}
.related-card:hover .go{color:var(--accent);}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--brand);
  color:#F5F0E6;
  border-radius:var(--radius);
  padding:52px 56px;
  display:grid;
  grid-template-columns:1.35fr .65fr;
  gap:40px;
  align-items:center;
  box-shadow:var(--shadow);
}
.cta-band h2{color:#FFFDF8;margin-bottom:12px;}
.cta-band p{color:rgba(245,240,230,.8);margin:0;font-size:16.5px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}
.cta-actions .btn-outline{border-color:rgba(245,240,230,.6);color:#F5F0E6;}
.cta-actions .btn-outline:hover{background:rgba(245,240,230,.12);color:#FFFDF8;}

/* ---------- 弹层表单 ---------- */
.modal-overlay{
  position:fixed;
  inset:0;
  z-index:200;
  display:none;
  align-items:center;
  justify-content:center;
  padding:24px;
  background:rgba(18,59,53,.74);
}
.modal-overlay.is-open{display:flex;}
.modal{
  position:relative;
  width:100%;
  max-width:640px;
  max-height:88vh;
  overflow:auto;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-modal);
  box-shadow:0 30px 70px rgba(18,59,53,.4);
  padding:32px 32px 26px;
}
.modal h2{font-size:26px;margin-bottom:8px;}
.modal .modal-sub{font-size:14.5px;color:var(--muted);margin-bottom:22px;}
.modal-close{
  position:absolute;
  top:14px;right:14px;
  width:38px;height:38px;
  border-radius:50%;
  border:1px solid var(--line);
  background:transparent;
  color:var(--brand-dark);
  font-size:20px;
  line-height:1;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.modal-close:hover{background:var(--brand);border-color:var(--brand);color:#FFFDF8;}
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px 18px;
}
.field{display:flex;flex-direction:column;gap:6px;}
.field-full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:600;color:var(--brand-dark);}
.field input,.field select,.field textarea{
  width:100%;
  min-height:46px;
  padding:10px 12px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  font-family:inherit;
  font-size:15px;
  color:var(--ink);
  -webkit-appearance:none;
  appearance:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(217,154,43,.35);
}
.check-line{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--muted);
  line-height:1.7;
}
.check-line input[type="checkbox"]{
  width:18px;height:18px;
  min-height:18px;
  margin-top:4px;
  flex:none;
  accent-color:var(--brand);
}
.form-note{font-size:13px;color:var(--muted);margin:0 0 16px;}
.form-status{
  display:none;
  margin-top:14px;
  padding:12px 16px;
  border-radius:10px;
  background:rgba(15,90,79,.1);
  border:1px solid rgba(15,90,79,.28);
  color:var(--brand-dark);
  font-size:14.5px;
}
.form-status.is-visible{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-dark);
  color:#F5F0E6;
  padding:72px 0 34px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:44px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(245,240,230,.18);
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(245,240,230,.14);color:#F5F0E6;}
.footer-brand .brand-text{color:#F5F0E6;}
.footer-col h4{
  color:#FFFDF8;
  font-size:16px;
  margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-col p,.footer-col li{
  font-size:14.5px;
  color:rgba(245,240,230,.76);
  line-height:1.8;
}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:9px;}
.footer-col a{color:rgba(245,240,230,.84);}
.footer-col a:hover{color:#F1DCCF;}
.footer-privacy{
  margin-top:28px;
  padding:18px 20px;
  border-radius:var(--radius);
  background:rgba(245,240,230,.07);
  border:1px solid rgba(245,240,230,.14);
  font-size:13.5px;
  line-height:1.85;
  color:rgba(245,240,230,.75);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:22px;
  font-size:13px;
  color:rgba(245,240,230,.62);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .header-inner{
    grid-template-columns:44px 1fr 44px;
    height:64px;
    gap:12px;
  }
  .nav-left,.nav-right{display:none;}
  .menu-toggle{display:flex;grid-column:1;grid-row:1;}
  .brand{grid-column:2;grid-row:1;}
  .header-spacer{display:block;grid-column:3;grid-row:1;}
  .brand-text{font-size:16px;}
  .brand-mark{min-width:42px;height:31px;font-size:12px;}

  .section{padding:64px 0;}
  .process-band{padding:64px 0;}
  .page-hero{padding:36px 0 56px;}

  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-media{aspect-ratio:16/9;}

  .plan-layout{grid-template-columns:1fr;gap:34px;}
  .plan-aside{position:static;}
  .prepare-grid{grid-template-columns:1fr;gap:30px;}

  .step-list{grid-template-columns:1fr 1fr;}
  .step{border-right:none;border-bottom:1px solid rgba(245,240,230,.16);padding:22px 16px 22px 0;}
  .step:nth-child(odd){padding-right:24px;}
  .step:last-child{border-bottom:none;}

  .related-grid{grid-template-columns:1fr 1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px 34px;gap:26px;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}

@media (max-width:639px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .section{padding:44px 0;}
  .process-band{padding:48px 0;}
  .page-hero{padding:26px 0 44px;}
  .hero-sub{font-size:17px;}
  .hero-text{font-size:15.5px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .plan-card{padding:22px 20px;}
  .plan-card.is-featured::before{left:18px;}
  .check-list{grid-template-columns:1fr;}
  .step-list{grid-template-columns:1fr;}
  .step{padding-right:0 !important;border-right:none;}
  .related-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 22px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .modal-overlay{padding:0;align-items:stretch;}
  .modal{
    max-width:100%;
    max-height:100vh;
    height:100%;
    border-radius:0;
    border:none;
    padding:26px 20px 24px;
  }
  .form-grid{grid-template-columns:1fr;}
  .faq-item summary{font-size:16px;padding:18px 2px;}
  .faq-body{padding:0 2px 20px;}
}

/* roulang page: category2 */
:root{
  --ink:#1C2421;
  --muted:#5F6B66;
  --line:#D9D1C3;
  --paper:#F5F0E6;
  --paper-2:#EFE8DA;
  --card:#FFFDF8;
  --primary:#0F5A4F;
  --primary-dark:#0B453C;
  --deep:#123B35;
  --accent:#C56A3D;
  --accent-soft:#F1DCCF;
  --focus:#D99A2B;
  --radius:12px;
  --radius-btn:10px;
  --radius-modal:16px;
  --shadow:0 12px 30px rgba(28,36,33,.08);
  --shadow-soft:0 6px 18px rgba(28,36,33,.06);
  --font-serif:"Songti SC","Noto Serif SC","Source Han Serif SC","STSong",Georgia,"Times New Roman",serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
}

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

html{scroll-behavior:smooth;}

html body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

body.no-scroll{overflow:hidden;}

a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary-dark);}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid var(--focus);
  outline-offset:2px;
  border-radius:4px;
}

img{max-width:100%;height:auto;display:block;}
figure{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}

h1,h2,h3,h4{
  font-family:var(--font-serif);
  color:var(--deep);
  line-height:1.22;
  letter-spacing:.01em;
  margin:0 0 .6em;
  font-weight:700;
}
h1{font-size:clamp(34px,4.6vw,56px);}
h2{font-size:clamp(26px,3.2vw,38px);}
h3{font-size:clamp(19px,2vw,23px);}
h4{font-size:18px;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--paper-2);}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-sans);
  font-size:13px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--accent);
  font-weight:700;
  margin:0 0 18px;
}
.eyebrow::before{
  content:"";
  width:26px;height:1px;
  background:var(--accent);
  display:inline-block;
}

.lede{
  font-size:clamp(17px,1.7vw,19px);
  color:var(--muted);
  max-width:60ch;
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:12px 24px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:16px;
  font-weight:600;
  font-family:var(--font-sans);
  line-height:1.2;
  cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.btn-primary{
  background:var(--primary);
  color:#FFFDF8;
  border-color:var(--primary);
  box-shadow:0 10px 24px rgba(15,90,79,.18);
}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#FFFDF8;transform:translateY(-1px);}
.btn-accent{
  background:var(--accent);
  color:#FFFDF8;
  border-color:var(--accent);
}
.btn-accent:hover{background:#AE5730;border-color:#AE5730;color:#FFFDF8;transform:translateY(-1px);}
.btn-outline{
  background:transparent;
  color:var(--primary);
  border-color:rgba(15,90,79,.45);
}
.btn-outline:hover{background:rgba(15,90,79,.07);border-color:var(--primary);color:var(--primary-dark);transform:translateY(-1px);}
.btn-ghost{
  background:transparent;
  color:var(--deep);
  border-color:var(--line);
}
.btn-ghost:hover{background:var(--accent-soft);border-color:var(--accent);color:var(--deep);transform:translateY(-1px);}
.btn-sm{min-height:38px;padding:8px 16px;font-size:14px;}
.btn-block{width:100%;}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:600;
  color:var(--primary);
  border-bottom:1px solid rgba(15,90,79,.4);
  padding-bottom:2px;
  cursor:pointer;
  background:none;
  border-left:0;border-right:0;border-top:0;
  font-size:16px;
  font-family:var(--font-sans);
}
.link-arrow::after{content:"→";transition:transform .18s ease;}
.link-arrow:hover{color:var(--primary-dark);border-bottom-color:var(--primary-dark);}
.link-arrow:hover::after{transform:translateX(4px);}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  min-height:76px;
  gap:18px;
}
.nav-left,.nav-right{
  display:flex;
  align-items:center;
  gap:26px;
  font-size:15px;
  font-weight:600;
}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;}
.nav-left a,.nav-right a{
  position:relative;
  color:var(--deep);
  padding:6px 0;
  transition:color .18s ease;
}
.nav-left a:hover,.nav-right a:hover{color:var(--primary);}
.site-header .nav-left a::after,
.site-header .nav-right a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-2px;
  width:5px;height:5px;
  border-radius:50%;
  background:var(--accent);
  transform:translateX(-50%) scale(0);
  opacity:0;
  transition:transform .18s ease,opacity .18s ease;
}
.site-header .nav-left a.is-active,
.site-header .nav-right a.is-active{color:var(--primary);}
.site-header .nav-left a.is-active::after,
.site-header .nav-right a.is-active::after{transform:translateX(-50%) scale(1);opacity:1;}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  justify-self:center;
  color:var(--deep);
}
.brand:hover{color:var(--deep);}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  border-radius:12px;
  background:var(--deep);
  color:#F5F0E6;
  font-family:var(--font-serif);
  font-size:16px;
  letter-spacing:.06em;
  font-weight:700;
}
.brand-text{
  font-family:var(--font-serif);
  font-size:20px;
  font-weight:700;
  letter-spacing:.02em;
  white-space:nowrap;
}

.menu-toggle{
  display:none;
  position:absolute;
  right:0;
  top:50%;
  transform:translateY(-50%);
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--card);
  cursor:pointer;
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.menu-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--deep);
  border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.header-spacer{display:none;}

.mobile-panel{
  display:none;
  border-top:1px solid var(--line);
  background:var(--card);
  padding:18px 0 24px;
}
.mobile-panel.is-open{display:block;}
.mobile-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:16px;}
.mobile-nav a{
  padding:12px 4px;
  color:var(--deep);
  font-size:16px;
  font-weight:600;
  border-bottom:1px dashed var(--line);
}
.mobile-nav a:last-child{border-bottom:0;}
.mobile-nav a.is-active{color:var(--primary);}

/* ===== 面包屑 ===== */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--muted);
  padding:26px 0 0;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb span.sep{color:#B9B0A0;}
.breadcrumb .current{color:var(--deep);font-weight:600;}

/* ===== 页首 ===== */
.page-hero{
  padding:36px 0 72px;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(241,220,207,.35) 0%,rgba(245,240,230,0) 62%);
}
.page-hero h1{margin-bottom:20px;}
.page-hero .lede{max-width:62ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

.fact-board{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--card);
  padding:8px 24px;
  box-shadow:var(--shadow-soft);
}
.fact-row{
  display:grid;
  grid-template-columns:52px 1fr;
  gap:16px;
  align-items:start;
  padding:20px 0;
  border-bottom:1px solid var(--line);
}
.fact-row:last-child{border-bottom:0;}
.fact-num{
  font-family:var(--font-serif);
  font-size:22px;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.fact-row strong{
  display:block;
  font-size:16px;
  color:var(--deep);
  margin-bottom:2px;
}
.fact-row p{
  margin:0;
  font-size:14px;
  color:var(--muted);
  line-height:1.7;
}

/* ===== 通用网格兜底 ===== */
.grid-x{display:flex;flex-wrap:wrap;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px;}
.cell{min-width:0;}
.cell.small-12{flex:0 0 100%;max-width:100%;}

/* ===== 左右分栏 + sticky ===== */
.split{margin-top:0;}
.sticky-col{position:sticky;top:104px;}
.sticky-col h2{margin-bottom:16px;}
.sticky-col .lede{font-size:16px;color:var(--muted);}
.sticky-col .link-arrow{margin-top:22px;}

/* ===== 能力清单 ===== */
.cap-list{
  border-top:1px solid var(--line);
}
.cap-item{
  display:grid;
  grid-template-columns:76px 1fr;
  gap:22px;
  padding:30px 0;
  border-bottom:1px solid var(--line);
  transition:padding-left .2s ease,background-color .2s ease;
}
.cap-item:hover{padding-left:10px;background:rgba(241,220,207,.28);}
.cap-num{
  font-family:var(--font-serif);
  font-size:clamp(24px,2.6vw,30px);
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  line-height:1.1;
  transition:color .2s ease;
}
.cap-item:hover .cap-num{color:var(--primary);}
.cap-item h3{margin-bottom:10px;}
.cap-item p{color:var(--muted);font-size:16px;margin-bottom:16px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag-row li{
  font-size:12.5px;
  padding:4px 12px;
  border-radius:999px;
  background:var(--accent-soft);
  color:#6B3E22;
  font-weight:600;
  letter-spacing:.02em;
  list-style:none;
}

/* ===== 流程时间线 ===== */
.timeline{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:0;
  margin-top:44px;
  border-top:1px solid var(--line);
}
.timeline-item{
  position:relative;
  padding:30px 18px 0 0;
}
.timeline-item::before{
  content:"";
  position:absolute;
  top:-1px;left:0;
  width:34px;height:3px;
  background:var(--primary);
  border-radius:2px;
}
.timeline-item:hover::before{background:var(--accent);}
.timeline-dot{
  display:inline-block;
  font-family:var(--font-serif);
  font-size:14px;
  color:var(--accent);
  letter-spacing:.1em;
  margin-bottom:8px;
  font-variant-numeric:tabular-nums;
}
.timeline-item h3{font-size:18px;margin-bottom:8px;}
.timeline-item p{font-size:14.5px;color:var(--muted);line-height:1.75;margin:0;}

/* ===== 图文区 ===== */
.feature-media{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:var(--paper-2);
}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.check-list{margin-top:22px;display:grid;gap:12px;}
.check-list li{
  position:relative;
  padding-left:30px;
  font-size:16px;
  color:var(--ink);
  line-height:1.7;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:14px;height:14px;
  border-radius:4px;
  border:2px solid var(--primary);
  background:rgba(15,90,79,.08);
}

/* ===== FAQ ===== */
.faq-list{
  border-top:1px solid var(--line);
  max-width:900px;
}
.faq-item{
  border-bottom:1px solid var(--line);
  background:transparent;
  transition:background-color .2s ease;
}
.faq-item[open]{background:var(--card);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:20px;
  padding:22px 4px;
  font-family:var(--font-serif);
  font-size:18px;
  font-weight:700;
  color:var(--deep);
  line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  font-family:var(--font-sans);
  font-size:24px;
  line-height:1;
  color:var(--accent);
  transition:transform .2s ease,color .2s ease;
}
.faq-item[open] summary::after{content:"−";color:var(--primary);}
.faq-item summary:hover{color:var(--primary);}
.faq-answer{padding:0 4px 24px;color:var(--muted);font-size:16px;}
.faq-answer p{margin-bottom:.8em;}

/* ===== CTA 条 ===== */
.cta-band{
  background:var(--deep);
  color:#EFE8DA;
  border-radius:var(--radius);
  padding:52px 48px;
  display:grid;
  grid-template-columns:1.4fr .9fr;
  gap:36px;
  align-items:center;
  box-shadow:var(--shadow);
}
.cta-band h2{color:#F7F2E7;margin-bottom:14px;}
.cta-band p{color:rgba(239,232,218,.82);margin:0;font-size:16px;max-width:52ch;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}
.cta-actions .btn-outline{color:#F1DCCF;border-color:rgba(241,220,207,.5);}
.cta-actions .btn-outline:hover{background:rgba(241,220,207,.12);color:#FFFDF8;border-color:#F1DCCF;}

/* ===== 弹层与表单 ===== */
.modal{
  position:fixed;
  inset:0;
  z-index:120;
  display:none;
  align-items:center;
  justify-content:center;
  padding:24px;
}
.modal.is-open{display:flex;}
.modal-backdrop{
  position:absolute;
  inset:0;
  background:rgba(18,59,53,.72);
}
.modal-card{
  position:relative;
  width:100%;
  max-width:640px;
  max-height:calc(100vh - 48px);
  overflow-y:auto;
  background:var(--card);
  border-radius:var(--radius-modal);
  border:1px solid var(--line);
  box-shadow:0 30px 60px rgba(18,59,53,.36);
  padding:36px;
}
.modal-card h2{font-size:26px;margin-bottom:8px;}
.modal-sub{color:var(--muted);font-size:15px;margin-bottom:24px;}
.modal-close{
  position:absolute;
  top:14px;right:14px;
  width:40px;height:40px;
  border-radius:10px;
  border:1px solid var(--line);
  background:var(--paper);
  color:var(--deep);
  font-size:20px;
  line-height:1;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease;
}
.modal-close:hover{background:var(--accent-soft);color:var(--primary-dark);}

.form-field{margin-bottom:16px;}
.form-field label{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--deep);
  margin-bottom:6px;
}
.form-field input[type="text"],
.form-field input[type="tel"],
.form-field input[type="email"],
.form-field select,
.form-field textarea{
  width:100%;
  min-height:46px;
  padding:11px 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:#FFFDF8;
  color:var(--ink);
  font-size:15px;
  font-family:var(--font-sans);
  transition:border-color .18s ease,box-shadow .18s ease;
  margin:0;
  height:auto;
  box-shadow:none;
}
.form-field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(15,90,79,.14);
  outline:none;
}
.consent{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--muted);
  margin:6px 0 10px;
  line-height:1.7;
}
.consent input[type="checkbox"]{
  margin-top:5px;
  width:17px;height:17px;
  accent-color:var(--primary);
  flex:0 0 auto;
}
.consent a{text-decoration:underline;color:var(--primary);}
.form-note{font-size:13px;color:var(--muted);margin-bottom:18px;}
.form-status{
  display:none;
  margin-top:14px;
  padding:12px 16px;
  border-radius:var(--radius-btn);
  background:rgba(15,90,79,.09);
  border:1px solid rgba(15,90,79,.28);
  font-size:14px;
  color:var(--primary-dark);
}
.form-status.is-visible{display:block;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--deep);
  color:#E7E0D2;
  padding:72px 0 28px;
  margin-top:88px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(217,209,195,.22);
}
.footer-col h4{
  color:#F7F2E7;
  font-family:var(--font-sans);
  font-size:15px;
  letter-spacing:.06em;
  margin-bottom:16px;
}
.footer-col p{
  font-size:14.5px;
  line-height:1.85;
  color:rgba(231,224,210,.76);
  margin-bottom:8px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{
  color:rgba(231,224,210,.82);
  font-size:14.5px;
}
.footer-col ul a:hover{color:var(--accent);}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand .brand-mark{background:#F1DCCF;color:var(--deep);}
.footer-brand .brand-text{color:#F7F2E7;}
.footer-brand .brand:hover{color:#F7F2E7;}
.footer-privacy{
  margin-top:28px;
  font-size:13.5px;
  line-height:1.85;
  color:rgba(231,224,210,.66);
  max-width:92ch;
}
.footer-bottom{
  margin-top:24px;
  padding-top:20px;
  border-top:1px solid rgba(217,209,195,.18);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:rgba(231,224,210,.6);
}

/* ===== 响应式 ===== */
@media (min-width:1024px){
  .cell.large-4{flex:0 0 33.3333%;max-width:33.3333%;}
  .cell.large-5{flex:0 0 41.6667%;max-width:41.6667%;}
  .cell.large-6{flex:0 0 50%;max-width:50%;}
  .cell.large-7{flex:0 0 58.3333%;max-width:58.3333%;}
  .cell.large-8{flex:0 0 66.6667%;max-width:66.6667%;}
  .cell.large-12{flex:0 0 100%;max-width:100%;}
}

@media (max-width:1023px){
  .site-header .nav-left,
  .site-header .nav-right{display:none;}
  .header-inner{
    display:flex;
    position:relative;
    justify-content:center;
    align-items:center;
    min-height:64px;
    padding:0;
  }
  .menu-toggle{display:flex;}
  .header-spacer{display:none;}
  .brand-mark{width:38px;height:38px;font-size:14px;}
  .brand-text{font-size:18px;}
  .section{padding:64px 0;}
  .page-hero{padding:26px 0 56px;}
  .sticky-col{position:static;margin-bottom:32px;}
  .timeline{grid-template-columns:repeat(2,1fr);gap:26px 0;}
  .timeline-item{padding:26px 20px 0 0;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .site-footer{padding:56px 0 24px;margin-top:64px;}
}

@media (min-width:640px) and (max-width:1023px){
  .cell.medium-6{flex:0 0 50%;max-width:50%;}
  .cell.medium-12{flex:0 0 100%;max-width:100%;}
}

@media (max-width:639px){
  html body{font-size:16px;}
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:44px 0;}
  .section-tight{padding:40px 0;}
  .brand-text{font-size:17px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .fact-board{padding:4px 18px;margin-top:28px;}
  .fact-row{grid-template-columns:44px 1fr;gap:12px;padding:16px 0;}
  .cap-item{grid-template-columns:48px 1fr;gap:14px;padding:24px 0;}
  .cap-item:hover{padding-left:0;}
  .timeline{grid-template-columns:1fr;}
  .timeline-item{padding:22px 0 0 0;}
  .timeline-item p{font-size:14px;}
  .cta-band{padding:32px 22px;border-radius:10px;}
  .cta-actions .btn{width:100%;}
  .faq-item summary{font-size:16.5px;padding:18px 2px;gap:14px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .modal{padding:0;align-items:stretch;}
  .modal-card{
    max-width:none;
    max-height:100vh;
    border-radius:0;
    padding:28px 18px 40px;
  }
  .modal-close{top:10px;right:10px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category3 */
:root{
  --green:#0F5A4F;
  --deep:#123B35;
  --clay:#C56A3D;
  --clay-dark:#A9572F;
  --clay-soft:#F1DCCF;
  --paper:#F5F0E6;
  --card:#FFFDF8;
  --ink:#1C2421;
  --muted:#5F6B66;
  --line:#D9D1C3;
  --focus:#D99A2B;
  --radius-card:12px;
  --radius-btn:10px;
  --radius-modal:16px;
  --shadow:0 12px 30px rgba(28,36,33,.08);
  --font-serif:"Songti SC","Noto Serif SC","Source Han Serif SC","SimSun",Georgia,serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Arial,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(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{
  font-family:var(--font-serif);
  font-weight:600;
  line-height:1.22;
  letter-spacing:.02em;
  color:var(--deep);
  margin:0;
}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
a{color:var(--green);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--clay);}
img{max-width:100%;height:auto;display:block;border-style:none;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px;}
label{margin-bottom:0;font-size:13.5px;font-weight:600;color:var(--deep);}
input,select,textarea{margin-bottom:0;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  grid-template-areas:"left brand right";
  align-items:center;
  height:76px;
}
.nav-left{grid-area:left;display:flex;align-items:center;gap:26px;justify-self:start;}
.nav-right{grid-area:right;display:flex;align-items:center;gap:22px;justify-self:end;}
.nav-left a,.nav-right a{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  font-weight:500;
  color:var(--ink);
  white-space:nowrap;
}
.nav-left a:hover,.nav-right a:hover{color:var(--green);}
.nav-left a.is-active,.nav-right a.is-active{color:var(--green);font-weight:600;}
.nav-left a.is-active::before,.nav-right a.is-active::before{
  content:"";display:inline-block;width:5px;height:5px;border-radius:50%;
  background:var(--clay);vertical-align:middle;margin-right:6px;position:relative;top:-1px;
}
.nav-left a.is-active::after,.nav-right a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;
  background:var(--clay);border-radius:2px;
}
.brand{grid-area:brand;display:inline-flex;align-items:center;gap:10px;justify-self:center;color:var(--deep);}
.brand-mark{
  background:var(--deep);color:#F7F1E4;font-family:var(--font-serif);
  font-size:14px;letter-spacing:.12em;padding:6px 9px;border-radius:8px;line-height:1;
}
.brand-text{font-family:var(--font-serif);font-size:19px;font-weight:600;letter-spacing:.06em;color:var(--deep);transition:color .2s ease;}
.brand:hover .brand-text{color:var(--clay);}
.nav-right .btn-ghost{margin-left:4px;}
.menu-toggle{
  display:none;grid-area:menu;
  width:44px;height:44px;padding:0;border:1px solid var(--line);border-radius:10px;
  background:transparent;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:border-color .2s ease,background-color .2s ease;
}
.menu-toggle:hover{border-color:var(--green);background:rgba(15,90,79,.06);}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--deep);border-radius:2px;transition:transform .24s ease,opacity .24s ease;}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.header-spacer{display:none;}
.mobile-panel{
  display:none;overflow:hidden;max-height:0;
  transition:max-height .34s ease;
  background:var(--paper);
}
.mobile-panel.is-open{max-height:560px;border-top:1px solid var(--line);}
.mobile-nav{display:grid;gap:2px;padding:14px 0 4px;}
.mobile-nav a{
  padding:12px 4px;border-bottom:1px solid rgba(217,209,195,.7);
  font-size:15.5px;color:var(--ink);
}
.mobile-nav a:hover{color:var(--green);}
.mobile-panel .btn{margin:18px 0 22px;}

/* ---------- 按钮与标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-family:var(--font-sans);font-size:15.5px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--green);border-color:var(--green);color:#FBF7EF;}
.btn-primary:hover{background:var(--deep);border-color:var(--deep);color:#FFFFFF;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:rgba(15,90,79,.45);color:var(--green);}
.btn-ghost:hover{background:rgba(15,90,79,.07);border-color:var(--green);color:var(--deep);transform:translateY(-1px);}
.btn-accent{background:var(--clay);border-color:var(--clay);color:#FFFFFF;}
.btn-accent:hover{background:var(--clay-dark);border-color:var(--clay-dark);color:#FFFFFF;transform:translateY(-1px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.badge{
  display:inline-block;background:var(--clay-soft);color:#7A3B1E;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  padding:4px 12px;border-radius:999px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.18em;color:var(--clay);
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--clay);}
.link-arrow{
  display:inline-block;font-size:14.5px;font-weight:600;color:var(--green);
  border-bottom:1px solid rgba(15,90,79,.32);padding-bottom:2px;
  transition:color .2s ease,border-color .2s ease;
}
.link-arrow:hover{color:var(--clay);border-color:var(--clay);}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding-top:26px;font-size:13.5px;color:var(--muted);
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--green);}
.crumb .sep{color:var(--line);}
.crumb .current{color:var(--deep);font-weight:600;}

/* ---------- 页首 ---------- */
.page-hero{padding-bottom:76px;}
.hero-grid{
  display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;
  padding-top:38px;
}
.page-hero h1{font-size:clamp(34px,4.6vw,56px);margin:16px 0 18px;}
.page-hero .lead{font-size:17.5px;color:var(--muted);max-width:56ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:10px 30px;margin-top:34px;
  padding-top:22px;border-top:1px solid var(--line);
  font-size:14px;color:var(--muted);
}
.hero-facts li{position:relative;padding-left:16px;}
.hero-facts li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:1px;background:var(--clay);
}
.hero-figure{position:relative;margin:0;}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-card);border:1px solid var(--line);box-shadow:var(--shadow);
}
.hero-figure figcaption{margin-top:12px;font-size:13px;color:var(--muted);line-height:1.75;}
.figure-tag{
  position:absolute;left:16px;bottom:58px;
  background:rgba(18,59,53,.94);color:#F7F1E4;
  font-size:12.5px;letter-spacing:.08em;padding:6px 13px;border-radius:999px;
}

/* ---------- 板块标题 ---------- */
.section-head{max-width:52rem;margin-bottom:56px;}
.section-head h2{font-size:clamp(26px,3.2vw,38px);margin:14px 0 16px;}
.section-head p{color:var(--muted);font-size:16.5px;}

/* ---------- 场景交替段 ---------- */
.scene-list{display:grid;gap:84px;}
.scene-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.scene-row.is-flip .scene-media{order:2;}
.scene-media{position:relative;margin:0;}
.scene-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-card);border:1px solid var(--line);box-shadow:var(--shadow);
}
.scene-num{
  position:absolute;top:14px;left:14px;
  background:rgba(18,59,53,.94);color:#F7F1E4;
  font-family:var(--font-serif);font-size:14px;letter-spacing:.12em;
  padding:6px 12px;border-radius:8px;
}
.scene-body .badge{margin-bottom:4px;}
.scene-body h3{font-size:clamp(21px,2.2vw,26px);margin:14px 0 12px;}
.scene-body p{color:var(--muted);font-size:16px;margin-bottom:16px;}
.check-list{display:grid;gap:10px;margin:0 0 22px;}
.check-list li{position:relative;padding-left:20px;font-size:15.5px;color:var(--ink);line-height:1.75;}
.check-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;
  background:var(--clay);border-radius:1px;
}
.scene-links{display:flex;flex-wrap:wrap;gap:10px 26px;margin-bottom:24px;}

/* ---------- 深色判断区 ---------- */
.section-dark{background:var(--deep);color:#E6E0D3;}
.section-dark h2,.section-dark h3{color:#F7F1E4;}
.section-dark .section-head p{color:#BEB8AA;}
.adapt-grid{display:grid;grid-template-columns:repeat(3,1fr);}
.adapt-col{padding:0 34px;border-left:1px solid rgba(233,227,214,.18);}
.adapt-col:first-child{padding-left:0;border-left:0;}
.adapt-col:last-child{padding-right:0;}
.adapt-col h3{font-size:19px;margin-bottom:18px;color:var(--clay-soft);letter-spacing:.06em;}
.adapt-col ul{display:grid;gap:12px;}
.adapt-col li{position:relative;padding-left:18px;font-size:15.5px;line-height:1.75;color:#D3CDBF;}
.adapt-col li::before{
  content:"";position:absolute;left:0;top:.76em;width:8px;height:1px;background:var(--clay);
}

/* ---------- 流程 ---------- */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:34px;}
.process-step{border-top:2px solid var(--line);padding-top:22px;}
.process-step .num{
  display:block;font-family:var(--font-serif);font-size:30px;line-height:1;
  color:var(--clay);margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.process-step h3{font-size:19px;margin-bottom:10px;}
.process-step p{font-size:15px;color:var(--muted);margin:0;line-height:1.8;}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--green);color:#F7F1E4;padding:64px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-inner h2{color:#F7F1E4;font-size:clamp(24px,2.8vw,32px);margin-bottom:12px;}
.cta-inner p{color:rgba(247,241,228,.84);font-size:15.5px;max-width:56ch;margin:0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:#D9D3C6;padding:68px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-col h4{
  font-family:var(--font-serif);font-size:16px;color:#F7F1E4;
  letter-spacing:.08em;margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:#C6C0B2;font-size:14.5px;}
.footer-col a:hover{color:var(--clay-soft);}
.footer-col p{font-size:14.5px;color:#B4AEA0;line-height:1.8;margin-bottom:10px;}
.site-footer .brand .brand-mark{background:var(--clay-soft);color:var(--deep);}
.site-footer .brand .brand-text{color:#F7F1E4;}
.site-footer .brand:hover .brand-text{color:var(--clay-soft);}
.footer-brand p{margin-top:16px;max-width:36ch;color:#B4AEA0;}
.footer-privacy{
  margin-top:44px;padding-top:24px;border-top:1px solid rgba(233,227,214,.16);
  font-size:13px;color:#9AA29A;line-height:1.85;max-width:90ch;
}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:22px;padding-top:18px;border-top:1px solid rgba(233,227,214,.12);
  font-size:12.5px;color:#8C948C;
}

/* ---------- 弹层与表单 ---------- */
.modal{position:fixed;inset:0;z-index:140;display:none;align-items:center;justify-content:center;padding:24px;}
.modal.is-open{display:flex;}
.modal-mask{position:absolute;inset:0;background:rgba(11,33,29,.74);}
.modal-card{
  position:relative;z-index:2;width:100%;max-width:640px;max-height:90vh;overflow:auto;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-modal);
  padding:38px 36px 34px;box-shadow:0 24px 60px rgba(0,0,0,.32);
}
.modal-card h2{font-size:25px;margin-bottom:10px;}
.modal-card .modal-sub{font-size:14.5px;color:var(--muted);margin-bottom:4px;}
.modal-close{
  position:absolute;top:14px;right:14px;width:38px;height:38px;padding:0;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:50%;background:#FFFFFF;color:var(--ink);
  font-size:18px;line-height:1;cursor:pointer;transition:background-color .2s ease,border-color .2s ease;
}
.modal-close:hover{background:var(--clay-soft);border-color:var(--clay);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 18px;margin-top:22px;}
.field{display:flex;flex-direction:column;gap:6px;}
.field.full{grid-column:1 / -1;}
.field input,.field select,.field textarea{
  width:100%;height:46px;border:1px solid var(--line);border-radius:10px;
  background:#FFFFFF;padding:0 14px;font-family:inherit;font-size:15px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:98px;padding:12px 14px;resize:vertical;line-height:1.75;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(15,90,79,.14);
}
.checkbox{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted);line-height:1.65;font-weight:400;}
.checkbox input[type="checkbox"]{width:18px;height:18px;min-height:18px;margin-top:2px;accent-color:var(--green);flex:0 0 auto;}
.checkbox a{color:var(--green);text-decoration:underline;}
.form-note{font-size:12.5px;color:var(--muted);line-height:1.75;margin-top:14px;}
.form-actions{margin-top:22px;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .header-inner{grid-template-columns:44px 1fr 44px;grid-template-areas:"menu brand spacer";height:64px;}
  .nav-left,.nav-right{display:none;}
  .menu-toggle{display:flex;}
  .header-spacer{display:block;}
  .mobile-panel{display:block;}
  .brand-text{font-size:17px;}
  .section{padding:64px 0;}
  .page-hero{padding-bottom:56px;}
  .hero-grid{grid-template-columns:1fr;gap:38px;}
  .scene-row{grid-template-columns:1fr;gap:28px;}
  .scene-row.is-flip .scene-media{order:0;}
  .scene-list{gap:64px;}
  .adapt-grid{grid-template-columns:1fr;}
  .adapt-col{padding:26px 0 0;border-left:0;border-top:1px solid rgba(233,227,214,.18);}
  .adapt-col:first-child{padding-top:0;border-top:0;}
  .process-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .figure-tag{bottom:44px;}
}
@media (max-width:640px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .section{padding:44px 0;}
  .section-head{margin-bottom:34px;}
  .hero-actions .btn{width:100%;}
  .hero-facts{display:grid;gap:10px;}
  .scene-links{flex-direction:column;gap:12px;align-items:flex-start;}
  .process-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .modal{padding:0;align-items:flex-end;}
  .modal-card{max-width:none;max-height:94vh;border-radius:16px 16px 0 0;padding:30px 20px 34px;}
  .form-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category4 */
:root{
  --ink:#1C2421;
  --ink-soft:#5F6B66;
  --paper:#F5F0E6;
  --card:#FFFDF8;
  --line:#D9D1C3;
  --brand:#0F5A4F;
  --brand-deep:#123B35;
  --accent:#C56A3D;
  --accent-soft:#F1DCCF;
  --focus:#D99A2B;
  --radius:12px;
  --radius-btn:10px;
  --radius-modal:16px;
  --shadow:0 12px 30px rgba(28,36,33,.08);
  --font-serif:"Songti SC","SimSun","Source Han Serif SC","Noto Serif SC",Georgia,serif;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-serif);
  line-height:1.22;
  letter-spacing:.02em;
  color:var(--ink);
  margin:0 0 .6em;
  font-weight:700;
}
h1{font-size:clamp(34px,4.6vw,56px)}
h2{font-size:clamp(26px,3.2vw,38px)}
h3{font-size:21px}
p{margin:0 0 1.1em;line-height:1.85}
ul,ol{margin:0 0 1.1em;padding-left:1.2em}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
button{font-family:inherit}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-tight{padding:56px 0}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:24px;
  min-height:76px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:28px}
.nav-left{justify-self:start}
.nav-right{justify-self:end}
.nav-left a,.nav-right a{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  color:var(--ink);
  font-weight:500;
}
.nav-left a::after,.nav-right a::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
}
.nav-left a:hover,.nav-right a:hover{color:var(--brand)}
.nav-left a:hover::after,.nav-right a:hover::after{transform:scaleX(1)}
.nav-left a.is-active,.nav-right a.is-active{color:var(--brand);font-weight:600}
.nav-left a.is-active::after,.nav-right a.is-active::after{transform:scaleX(1)}
.nav-left a.is-active::before,.nav-right a.is-active::before{
  content:"";position:absolute;top:0;right:-10px;
  width:5px;height:5px;border-radius:50%;background:var(--accent);
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  justify-self:center;
  color:var(--brand-deep);
}
.brand:hover{color:var(--brand)}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  background:var(--brand);color:#FFFDF8;
  font-family:var(--font-serif);font-size:14px;font-weight:700;letter-spacing:.06em;
}
.brand-text{font-family:var(--font-serif);font-size:19px;font-weight:600;letter-spacing:.04em}
.header-spacer{display:none}
.menu-toggle{
  display:none;
  align-items:center;justify-content:center;
  flex-direction:column;gap:5px;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--card);
  cursor:pointer;
  padding:0;
}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--brand-deep);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--paper)}
.mobile-panel.is-open{display:block}
.mobile-nav{display:grid;gap:0;padding:8px 0 16px}
.mobile-nav a{
  display:block;padding:13px 4px;
  border-bottom:1px solid var(--line);
  font-size:16px;color:var(--ink);
}
.mobile-nav a:hover{color:var(--brand)}
.mobile-nav a.is-active{color:var(--brand);font-weight:600}
.mobile-panel .btn{margin-bottom:8px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#FFFDF8}
.btn-primary:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#FFFDF8;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(15,90,79,.09);color:var(--brand-deep);transform:translateY(-1px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn:active{transform:translateY(0)}

/* 页首 */
.page-head{padding:36px 0 56px;background:var(--paper);border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--ink-soft);margin-bottom:26px}
.crumb a{color:var(--ink-soft)}
.crumb a:hover{color:var(--brand)}
.crumb span[aria-hidden]{color:var(--line)}
.head-tag{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  background:var(--accent-soft);
  color:#7B3D1F;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  margin-bottom:20px;
}
.page-head h1{margin:0 0 18px;max-width:940px}
.head-lead{max-width:760px;font-size:17.5px;color:var(--ink-soft);margin:0}
.head-metrics{
  display:flex;flex-wrap:wrap;gap:0;
  margin-top:36px;padding-top:22px;
  border-top:1px solid var(--line);
}
.metric{flex:1 1 0;min-width:150px;padding-right:24px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0;padding-right:0}
.metric-num{
  display:block;
  font-family:var(--font-serif);
  font-size:26px;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.metric-label{display:block;font-size:13px;color:var(--ink-soft);margin-top:4px}

/* 问答主体 */
.faq-layout{display:grid;grid-template-columns:264px minmax(0,1fr);gap:56px;padding:72px 0}
.faq-aside{position:sticky;top:100px;align-self:start}
.aside-title{
  font-family:var(--font-serif);
  font-size:15px;letter-spacing:.1em;
  color:var(--ink-soft);margin:0 0 14px;
}
.faq-aside-list{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.faq-aside-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  font-size:15px;color:var(--ink-soft);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.faq-aside-list a span{font-variant-numeric:tabular-nums;font-size:13px;color:var(--accent);letter-spacing:.06em}
.faq-aside-list a:hover{background:rgba(15,90,79,.07);color:var(--brand);border-left-color:var(--brand)}
.aside-note{
  margin-top:26px;padding:20px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
}
.aside-note p{margin:0 0 12px;font-size:14px;color:var(--ink-soft);line-height:1.7}
.faq-group{margin-bottom:56px;scroll-margin-top:110px}
.faq-group:last-child{margin-bottom:0}
.faq-group h2{
  display:flex;align-items:baseline;gap:12px;
  font-size:24px;margin:0 0 8px;
}
.group-no{
  font-family:var(--font-serif);
  font-size:14px;letter-spacing:.12em;color:var(--accent);
  font-weight:700;
}
.group-desc{font-size:15px;color:var(--ink-soft);margin:0 0 20px}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  margin-bottom:12px;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.faq-item:hover{border-color:#C9BFAD}
.faq-item[open]{border-color:var(--brand);box-shadow:var(--shadow);background:#FFFEF9}
.faq-item summary{
  list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;
  cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item[open] summary{color:var(--brand-deep)}
.faq-icon{position:relative;flex:none;width:16px;height:16px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform .22s ease,opacity .22s ease;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{padding:0 22px 20px;font-size:16px;color:var(--ink-soft);border-top:1px solid var(--line);margin-top:0}
.faq-a p{margin:16px 0 0}
.faq-a p:last-child{margin-bottom:0}

/* 联系卡 */
.support-band{padding:0 0 80px}
.support-card{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-modal);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.sc-body{padding:44px}
.sc-body h2{font-size:clamp(24px,2.6vw,30px);margin:0 0 14px}
.sc-body p{color:var(--ink-soft);font-size:16px;max-width:520px}
.sc-list{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:12px}
.sc-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink)}
.sc-list li span:first-child{
  flex:none;width:8px;height:8px;border-radius:50%;
  background:var(--accent);margin-top:10px;
}
.sc-media{position:relative;min-height:280px}
.sc-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.sc-actions{margin-top:28px;display:flex;gap:12px;flex-wrap:wrap}

/* 响应流程 */
.flow-head{max-width:680px;margin-bottom:40px}
.flow-head p{color:var(--ink-soft);margin:0}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.flow-step{border-top:2px solid var(--brand);padding-top:18px}
.flow-step .step-no{
  font-family:var(--font-serif);
  font-size:13px;letter-spacing:.14em;color:var(--accent);
  display:block;margin-bottom:8px;
}
.flow-step h3{font-size:19px;margin:0 0 8px}
.flow-step p{font-size:15px;color:var(--ink-soft);margin:0}

/* CTA 带 */
.cta-band{background:var(--brand-deep);color:#F0EADC;padding:56px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{color:#FFFDF8;font-size:clamp(24px,2.6vw,32px);margin:0 0 10px}
.cta-inner p{margin:0;color:#CFC8BA;font-size:15px;max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-band .btn-primary{background:var(--accent);border-color:var(--accent);color:#FFFDF8}
.cta-band .btn-primary:hover{background:#A9562E;border-color:#A9562E}
.cta-band .btn-ghost{color:#F0EADC;border-color:rgba(240,234,220,.5)}
.cta-band .btn-ghost:hover{background:rgba(240,234,220,.12);color:#FFFDF8}

/* 页脚 */
.site-footer{background:var(--brand-deep);color:#E8E2D6;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1fr;gap:40px;padding-bottom:40px}
.footer-col h4{
  font-family:var(--font-serif);
  font-size:16px;color:#FFFDF8;margin:0 0 14px;letter-spacing:.05em;
}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-col a{color:#E8E2D6;font-size:14px}
.footer-col a:hover{color:var(--accent-soft)}
.footer-col p{font-size:14px;line-height:1.8;color:#CFC8BA;margin:0 0 8px}
.footer-brand .brand-text{color:#FFFDF8}
.footer-brand .brand-mark{background:var(--accent);color:#FFFDF8}
.footer-brand p{margin-top:18px;max-width:380px}
.footer-privacy{
  border-top:1px solid rgba(245,240,230,.16);
  padding:20px 0;
  font-size:13px;line-height:1.85;color:#BFB8AA;
}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(245,240,230,.16);
  padding:20px 0 28px;
  font-size:13px;color:#BFB8AA;
}

/* 表单弹层 */
.modal-overlay{
  position:fixed;inset:0;z-index:140;
  display:flex;align-items:center;justify-content:center;
  padding:24px;
  background:rgba(18,59,53,.66);
}
.modal-overlay[hidden]{display:none}
.modal{
  position:relative;
  width:100%;max-width:640px;
  max-height:calc(100vh - 48px);
  overflow:auto;
  background:var(--card);
  border-radius:var(--radius-modal);
  padding:34px;
  box-shadow:0 24px 60px rgba(18,59,53,.32);
}
.modal h2{font-size:24px;margin:0 0 8px}
.modal-sub{font-size:14.5px;color:var(--ink-soft);margin:0 0 22px}
.modal-close{
  position:absolute;top:14px;right:14px;
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;
  background:var(--card);color:var(--ink-soft);
  font-size:20px;line-height:1;cursor:pointer;
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.modal-close:hover{color:var(--brand);border-color:var(--brand);background:rgba(15,90,79,.06)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field input,.field select,.field textarea{
  width:100%;
  min-height:46px;
  padding:10px 13px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#FFFFFF;
  font-family:inherit;font-size:15px;color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#9AA39E}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);
  outline:3px solid rgba(217,154,43,.4);
  outline-offset:1px;
}
.checkbox-field label{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;font-weight:500;line-height:1.7;color:var(--ink-soft);
  cursor:pointer;
}
.checkbox-field input[type="checkbox"]{
  width:18px;height:18px;min-height:18px;flex:none;margin-top:3px;
  accent-color:var(--brand);
}
.form-tip{font-size:13px;color:var(--ink-soft);line-height:1.75;margin:12px 0 0}
.form-tip a{text-decoration:underline;text-underline-offset:3px}
.form-status{font-size:14px;margin:12px 0 0;min-height:1px}
.form-status.is-error{color:#A8402A}
.form-status.is-ok{color:var(--brand)}

/* 响应式 */
@media screen and (max-width:1023px){
  .section{padding:64px 0}
  .nav-left,.nav-right{display:none}
  .header-inner{grid-template-columns:1fr auto 1fr;min-height:64px;gap:16px}
  .brand{grid-column:2}
  .menu-toggle{display:inline-flex;grid-column:3;justify-self:end}
  .header-spacer{display:none}
  .faq-layout{grid-template-columns:1fr;gap:32px;padding:56px 0}
  .faq-aside{position:static;top:auto}
  .faq-aside-list{
    display:flex;gap:10px;overflow-x:auto;
    padding-bottom:8px;
    -webkit-overflow-scrolling:touch;
  }
  .faq-aside-list li{flex:none}
  .faq-aside-list a{border-left:0;border:1px solid var(--line);border-radius:999px;background:var(--card);white-space:nowrap;padding:8px 16px}
  .aside-note{margin-top:18px}
  .support-card{grid-template-columns:1fr}
  .sc-media{order:-1;min-height:220px;max-height:280px}
  .sc-body{padding:32px}
  .flow{grid-template-columns:repeat(2,1fr);gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media screen and (max-width:639px){
  body{font-size:16px}
  .container{padding:0 18px}
  .section{padding:44px 0}
  .page-head{padding:24px 0 40px}
  .head-lead{font-size:16px}
  .head-metrics{margin-top:26px;padding-top:18px}
  .metric{flex:0 0 50%;border-right:0;padding:0 0 14px 0}
  .metric-num{font-size:22px}
  .faq-item summary{padding:16px 16px;font-size:16px;gap:12px}
  .faq-a{padding:0 16px 18px;font-size:15px}
  .faq-group h2{font-size:21px}
  .sc-body{padding:24px}
  .sc-media{min-height:180px;max-height:220px}
  .flow{grid-template-columns:1fr}
  .cta-band{padding:44px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .modal-overlay{padding:0;align-items:flex-end}
  .modal{
    max-width:none;max-height:92vh;
    border-radius:16px 16px 0 0;
    padding:26px 20px 32px;
  }
  .form-grid{grid-template-columns:1fr}
  .aside-note .btn{width:100%}
}