/* roulang page: index */
:root{
  --ink-900:#14231F;
  --ink-700:#1E3A34;
  --ink-500:#35605A;
  --ink-300:#6E8F88;
  --mist:#DDE7E3;
  --dawn:#C4693C;
  --dawn-deep:#A8552E;
  --paper:#F7F5F1;
  --card:#FFFFFF;
  --line:#E5E1D8;
  --line-strong:#CFC9BC;
  --text:#22201C;
  --text-muted:#6B665E;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",STSong,serif;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --r-btn:2px;
  --r-card:6px;
  --r-img:6px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(20,35,31,.04);
  --sh-hover:0 10px 30px -12px rgba(20,35,31,.18);
  --sp-4:4px; --sp-8:8px; --sp-12:12px; --sp-16:16px; --sp-24:24px;
  --sp-32:32px; --sp-48:48px; --sp-64:64px; --sp-96:96px; --sp-128:128px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:var(--ink-700);text-decoration:none;transition:color .2s ease;}
a:visited{color:var(--ink-700);}
a:hover{color:var(--dawn);}
a:active{color:var(--dawn-deep);}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;letter-spacing:.01em;line-height:1.25;margin:0;color:var(--ink-700);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--dawn);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--sp-24);}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ===== 顶部细条 ===== */
.topbar{background:var(--ink-900);color:rgba(247,245,241,.82);font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;padding:6px 0;}
.topbar-left{letter-spacing:.02em;}
.topbar-right{display:flex;align-items:center;gap:16px;}
.topbar a{color:rgba(247,245,241,.9);border-bottom:1px solid rgba(247,245,241,.28);}
.topbar a:hover{color:var(--dawn);border-color:var(--dawn);}
.topbar-dot{display:inline-block;width:5px;height:5px;background:var(--dawn);margin-right:8px;vertical-align:middle;}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,241,.94);
  border-bottom:1px solid var(--line);
  transition:height .25s ease,box-shadow .25s ease,background .25s ease;
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:88px;transition:height .25s ease;}
.site-header.is-scrolled .nav-inner{height:64px;}
.site-header.is-scrolled{box-shadow:0 6px 20px -18px rgba(20,35,31,.5);}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:21px;color:var(--ink-700);white-space:nowrap;}
.brand:hover{color:var(--ink-700);}
.brand-mark{display:inline-block;width:6px;height:6px;background:var(--dawn);}
.brand-name{letter-spacing:.02em;}
.nav-links{display:flex;align-items:center;gap:32px;}
.nav-links a{
  position:relative;font-size:14px;letter-spacing:.02em;color:var(--text);padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--ink-700);
  transition:width .2s ease;
}
.nav-links a:hover{color:var(--ink-700);}
.nav-links a:hover::after{width:100%;}
.nav-links a.is-active{color:var(--ink-700);font-weight:600;}
.nav-links a.is-active::after{width:100%;height:2px;}
.nav-cta{
  display:inline-block;border:1px solid var(--ink-700);border-radius:var(--r-btn);
  padding:10px 20px;font-size:14px;color:var(--ink-700);background:transparent;
  transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.nav-cta:hover{background:var(--ink-700);color:var(--paper);}
.nav-toggle{display:none;background:none;border:0;padding:12px 4px;}
.nav-toggle span{display:block;width:16px;height:1px;background:var(--ink-700);margin:5px 0;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(3px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){transform:translateY(-3px) rotate(-45deg);}
.mobile-panel{
  position:fixed;inset:0;z-index:70;background:var(--paper);
  padding:96px 24px 40px;display:none;opacity:0;transition:opacity .2s ease;
}
.mobile-panel.is-open{display:block;opacity:1;}
.mobile-panel a{
  display:block;font-family:var(--serif);font-size:22px;color:var(--ink-700);
  padding:20px 0;border-bottom:1px solid var(--line);
}
.mobile-panel a:last-child{border-bottom:0;}
.mobile-panel .mobile-close{
  position:absolute;top:26px;right:24px;background:none;border:1px solid var(--line-strong);
  border-radius:var(--r-btn);padding:8px 14px;font-size:13px;color:var(--ink-700);
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--ink-700);color:var(--paper);border:1px solid var(--ink-700);
  border-radius:var(--r-btn);padding:14px 28px;font-size:15px;line-height:1.2;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn:hover{background:var(--ink-900);border-color:var(--ink-900);color:var(--paper);box-shadow:var(--sh-hover);}
.btn:visited{color:var(--paper);}
.btn:active{background:var(--ink-900);}
.btn-ghost{background:#fff;color:var(--ink-700);border:1px solid var(--line-strong);}
.btn-ghost:hover{background:#fff;border-color:var(--ink-700);color:var(--ink-700);}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--ink-700);
  border-bottom:1px solid transparent;transition:color .2s ease;
}
.link-arrow .arw{transition:transform .2s ease,color .2s ease;}
.link-arrow:hover{color:var(--dawn);}
.link-arrow:hover .arw{transform:translateX(2px);color:var(--dawn);}
.link-arrow:visited{color:var(--ink-700);}

/* ===== 标签 ===== */
.pill{
  display:inline-block;background:var(--mist);color:var(--ink-700);
  border-radius:var(--r-pill);padding:4px 14px;font-size:12px;letter-spacing:.04em;
}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--ink-300);
  text-transform:uppercase;margin-bottom:16px;
}

/* ===== 栏目通用 ===== */
section{position:relative;}
.sec{padding:96px 0;}
.sec-tight{padding:64px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:48px;flex-wrap:wrap;}
.sec-title{font-size:clamp(1.5rem,2.4vw,2.25rem);}
.sec-sub{color:var(--text-muted);font-size:15px;max-width:620px;margin-top:12px;line-height:1.8;}
.rule{height:1px;background:var(--line);border:0;margin:0;}

/* ===== Hero ===== */
.hero{padding:80px 0 0;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero h1{font-size:clamp(2.25rem,4.2vw,3.75rem);margin:20px 0 20px;}
.hero-sub{font-size:18px;color:var(--text-muted);max-width:520px;margin-bottom:32px;}
.hero-actions{display:flex;align-items:center;gap:28px;flex-wrap:wrap;}
.hero-media{position:relative;}
.hero-media img{width:100%;aspect-ratio:4/3;border-radius:var(--r-img);}
.hero-media::after{
  content:"";position:absolute;inset:0;border:1px solid var(--line-strong);
  border-radius:var(--r-img);transform:translate(10px,10px);pointer-events:none;
}
.trust-bar{margin-top:72px;border-top:1px solid var(--line);padding:24px 0 0;}
.trust-list{display:flex;flex-wrap:wrap;gap:0;}
.trust-list li{
  font-size:13px;color:var(--text-muted);padding:0 22px;border-left:1px solid var(--line);
}
.trust-list li:first-child{padding-left:0;border-left:0;}

/* ===== 痛点 ===== */
.pain-grid{display:grid;grid-template-columns:3fr 9fr;gap:48px;}
.pain-side{position:sticky;top:110px;align-self:start;}
.pain-side h2{font-size:clamp(1.4rem,2vw,1.9rem);margin-bottom:16px;}
.pain-side p{font-size:14px;color:var(--text-muted);line-height:1.8;}
.pain-list li{
  display:flex;align-items:flex-start;gap:24px;padding:26px 0;border-top:1px solid var(--line);
  transition:background .2s ease;
}
.pain-list li:last-child{border-bottom:1px solid var(--line);}
.pain-list li:hover{background:var(--paper);}
.pain-num{font-size:13px;color:var(--ink-300);font-variant-numeric:tabular-nums;padding-top:6px;min-width:28px;}
.pain-q{font-family:var(--serif);font-size:18px;color:var(--ink-700);flex:1;line-height:1.6;}
.pain-arw{color:var(--line-strong);transition:color .2s ease,transform .2s ease;padding-top:4px;}
.pain-list li:hover .pain-arw{color:var(--dawn);transform:translateX(3px);}

/* ===== 方案卡片（非对称） ===== */
.sol-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-card);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--line-strong);}
.card-icon{width:24px;height:24px;color:var(--ink-500);margin-bottom:20px;transition:color .24s ease;}
.card:hover .card-icon{color:var(--dawn);}
.card h3{font-size:20px;margin-bottom:12px;}
.card p{font-size:14px;color:var(--text-muted);line-height:1.8;flex:1;}
.card .link-arrow{margin-top:20px;align-self:flex-start;}
.card-lg{grid-column:span 8;}
.card-sm{grid-column:span 4;}
.card-4{grid-column:span 4;}
.card-media{padding:0;overflow:hidden;}
.card-media img{width:100%;aspect-ratio:16/10;}
.card-media .card-body{padding:28px 32px 32px;display:flex;flex-direction:column;flex:1;}

/* ===== 数据区 ===== */
.stats{background:var(--ink-900);padding:80px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:0 32px;border-left:1px solid rgba(255,255,255,.12);}
.stat:first-child{border-left:0;padding-left:0;}
.stat-num{
  font-family:var(--sans);font-size:clamp(2.2rem,3.4vw,3.2rem);font-weight:500;
  letter-spacing:-.02em;color:var(--paper);font-variant-numeric:tabular-nums;line-height:1.1;
}
.stat-num em{font-style:normal;color:var(--dawn);font-size:.55em;margin-left:4px;}
.stat-label{margin-top:12px;font-size:13px;color:rgba(247,245,241,.62);line-height:1.7;}

/* ===== 资讯列表 ===== */
.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(--r-card);overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--line-strong);}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-thumb{overflow:hidden;aspect-ratio:16/10;background:var(--mist);}
.news-thumb img{width:100%;height:100%;transition:transform .24s ease;}
.news-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  font-size:20px;margin:14px 0 10px;display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;
}
.news-body h3 a{color:var(--ink-700);}
.news-body h3 a:hover{color:var(--dawn);}
.news-sum{
  font-size:14px;color:var(--text-muted);line-height:1.75;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:20px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-300);font-variant-numeric:tabular-nums;
}
.news-meta .arw{transition:transform .2s ease;}
.news-card:hover .news-meta .arw{transform:translateX(2px);color:var(--dawn);}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-card);
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:32px;
}
.empty-state p{color:var(--text-muted);font-size:14px;margin:0;}

/* ===== FAQ ===== */
.faq-wrap{max-width:800px;margin:0 auto;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:0;text-align:left;padding:26px 40px 26px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-family:var(--serif);font-size:17px;color:var(--ink-700);position:relative;
}
.faq-q::after{
  content:"";position:absolute;right:6px;width:13px;height:1px;background:var(--ink-300);
  transition:transform .28s ease,background .2s ease;
}
.faq-q::before{
  content:"";position:absolute;right:12px;width:1px;height:13px;background:var(--ink-300);
  transition:transform .28s ease,background .2s ease;
}
.faq-item.is-open .faq-q::before{transform:rotate(90deg);opacity:0;}
.faq-q:hover{color:var(--dawn);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{font-size:15px;color:var(--text-muted);line-height:1.85;padding:0 40px 26px 0;margin:0;}

/* ===== 表单区 ===== */
.lead{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.lead-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.lead-side h2{font-size:clamp(1.5rem,2.4vw,2.1rem);margin-bottom:20px;}
.lead-points li{
  position:relative;padding-left:18px;font-size:15px;color:var(--text-muted);
  line-height:1.8;margin-bottom:8px;
}
.lead-points li::before{
  content:"";position:absolute;left:0;top:12px;width:4px;height:4px;background:var(--dawn);
}
.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:36px;box-shadow:var(--sh-card);}
.field{margin-bottom:22px;}
.field label{display:block;font-size:14px;color:var(--ink-700);margin-bottom:8px;}
.req{color:var(--dawn);margin-left:4px;}
.field input[type="text"],.field input[type="tel"],.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;padding:12px 14px;min-height:46px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:112px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--ink-700);box-shadow:0 0 0 3px rgba(196,105,60,.22);
}
.field.has-error input,.field.has-error textarea{border-color:var(--dawn);}
.field .err{display:none;font-size:13px;color:var(--dawn);margin-top:6px;}
.field.has-error .err{display:block;}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-muted);line-height:1.7;}
.check input{margin-top:4px;}
.form-foot{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-top:28px;}
.form-note{font-size:13px;color:var(--text-muted);line-height:1.8;margin-top:20px;}
.form-ok{display:none;font-size:14px;color:var(--ink-700);border:1px solid var(--ink-300);border-radius:var(--r-btn);padding:12px 16px;margin-top:20px;}
.form-ok.is-show{display:block;}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink-900);color:rgba(247,245,241,.78);padding:80px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:5fr 3fr 3fr 3fr;gap:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:20px;color:var(--paper);margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--dawn);}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(247,245,241,.62);max-width:340px;}
.footer-col h4{font-size:13px;letter-spacing:.14em;color:rgba(247,245,241,.5);font-family:var(--sans);margin-bottom:20px;text-transform:uppercase;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14px;color:rgba(247,245,241,.82);}
.footer-col a:hover{color:var(--dawn);}
.footer-col a:visited{color:rgba(247,245,241,.82);}
.footer-bottom{
  margin-top:64px;border-top:1px solid rgba(255,255,255,.12);
  padding:24px 0 32px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(247,245,241,.5);
}
.footer-bottom a{color:rgba(247,245,241,.62);}
.footer-bottom a:hover{color:var(--dawn);}

/* ===== 弹层 ===== */
.modal-mask{
  position:fixed;inset:0;z-index:90;background:rgba(20,35,31,.55);
  display:none;align-items:center;justify-content:center;padding:24px;
}
.modal-mask.is-open{display:flex;}
.modal-card{
  position:relative;width:100%;max-width:560px;background:#fff;border-radius:var(--r-card);
  padding:36px;max-height:88vh;overflow-y:auto;
}
.modal-card h3{font-size:22px;margin-bottom:8px;}
.modal-card > p{font-size:14px;color:var(--text-muted);margin-bottom:24px;}
.modal-close{
  position:absolute;top:14px;right:14px;width:32px;height:32px;background:none;
  border:1px solid var(--line-strong);border-radius:var(--r-btn);color:var(--ink-700);
  font-size:16px;line-height:1;
}
.modal-close:hover{border-color:var(--ink-700);}

/* ===== 入场动效 ===== */
.reveal{opacity:0;transform:translateY(12px);}
.reveal.is-in{opacity:1;transform:none;transition:opacity .48s cubic-bezier(.2,.7,.3,1),transform .48s cubic-bezier(.2,.7,.3,1);}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:block;}
  .hero{padding-top:56px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .pain-grid{grid-template-columns:1fr;gap:32px;}
  .pain-side{position:static;}
  .sol-grid{grid-template-columns:repeat(6,1fr);}
  .card-lg,.card-sm,.card-4{grid-column:span 6;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:40px 0;}
  .stat{padding:0 24px;}
  .stat:nth-child(3){border-left:0;padding-left:0;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .lead-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
  .sec{padding:64px 0;}
}
@media (max-width:639px){
  .container{padding:0 20px;}
  .topbar-right{display:none;}
  .hero h1{font-size:clamp(1.9rem,7vw,2.4rem);}
  .trust-list li{padding:6px 16px 6px 0;border-left:0;width:100%;}
  .news-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr;}
  .stat{border-left:0;padding:0;}
  .footer-grid{grid-template-columns:1fr;}
  .form-card{padding:24px;}
  .card{padding:24px;}
  .card-media .card-body{padding:22px 24px 26px;}
  .modal-card{padding:24px;}
  .pain-q{font-size:16px;}
  .sec{padding:56px 0;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
  .reveal{opacity:1;transform:none;}
  .card:hover,.news-card:hover{transform:none;}
  .news-card:hover .news-thumb img{transform:none;}
}

/* roulang page: article */
:root{
  --ink-900:#14231F;
  --ink-700:#1E3A34;
  --ink-500:#35605A;
  --ink-300:#6E8F88;
  --mist:#DDE7E3;
  --dawn:#C4693C;
  --dawn-deep:#A8552E;
  --paper:#F7F5F1;
  --card:#FFFFFF;
  --line:#E5E1D8;
  --line-strong:#CFC9BC;
  --text:#22201C;
  --text-muted:#6B665E;
  --radius-btn:2px;
  --radius-card:6px;
  --radius-img:6px;
  --shadow-card:0 1px 2px rgba(20,35,31,.04);
  --shadow-hover:0 10px 30px -12px rgba(20,35,31,.18);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --sp-8:8px; --sp-12:12px; --sp-16:16px; --sp-24:24px; --sp-32:32px; --sp-48:48px; --sp-64:64px; --sp-96:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink-700);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:visited{color:var(--ink-700);}
a:hover{color:var(--dawn);}
a:active{color:var(--dawn-deep);}
button,input,textarea,select{font-family:inherit;font-size:100%;}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;letter-spacing:.01em;line-height:1.25;margin:0;color:var(--ink-700);}
p{margin:0 0 1.1em;}
ul,ol{margin:0;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--dawn);outline-offset:2px;border-radius:2px;
}
.container{
  width:100%;max-width:1200px;margin:0 auto;padding:0 24px;
}
@media (min-width:1440px){ .container{max-width:1280px;} }

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,241,.96);
  border-bottom:1px solid var(--line);
  transition:padding .24s ease,background .24s ease;
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  min-height:88px;gap:24px;
  transition:min-height .24s ease;
}
.site-header.is-scrolled .nav-inner{min-height:64px;}
.site-header.is-scrolled{background:rgba(247,245,241,.94);}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-serif);font-size:21px;letter-spacing:.01em;
  color:var(--ink-900);white-space:nowrap;
}
.brand:hover{color:var(--ink-900);}
.brand-mark{
  width:6px;height:18px;background:var(--dawn);display:inline-block;border-radius:1px;
}
.nav-links{display:flex;align-items:center;gap:32px;}
.nav-links a{
  position:relative;font-size:14px;letter-spacing:.02em;color:var(--text);padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--ink-700);
  transition:width .2s ease;
}
.nav-links a:hover{color:var(--ink-700);}
.nav-links a:hover::after{width:100%;}
.nav-links a.is-active{color:var(--ink-700);}
.nav-links a.is-active::after{width:100%;height:2px;}
.nav-cta{
  display:inline-block;border:1px solid var(--ink-700);color:var(--ink-700);
  padding:10px 20px;border-radius:var(--radius-btn);font-size:14px;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{background:var(--ink-700);color:#F7F5F1;box-shadow:var(--shadow-hover);}
.nav-toggle{
  display:none;background:none;border:0;padding:10px;cursor:pointer;
}
.nav-toggle span{
  display:block;width:16px;height:1px;background:var(--ink-700);margin:5px 0;
  transition:transform .2s ease,opacity .2s ease;
}

/* ---------- mobile nav ---------- */
@media (max-width:1023px){
  .nav-toggle{display:block;}
  .nav-links{
    position:fixed;inset:0;background:var(--paper);
    flex-direction:column;align-items:flex-start;justify-content:center;
    gap:0;padding:0 32px;z-index:70;
    opacity:0;visibility:hidden;transition:opacity .2s ease;
  }
  .nav-links.is-open{opacity:1;visibility:visible;}
  .nav-links a{
    font-family:var(--font-serif);font-size:22px;padding:20px 0;width:100%;
    border-bottom:1px solid var(--line);
  }
  .nav-cta{margin-left:auto;padding:8px 14px;font-size:13px;}
  .nav-inner{gap:12px;}
}

/* ---------- breadcrumb ---------- */
.crumb{
  font-size:13px;color:var(--text-muted);
  padding:32px 0 0;
}
.crumb a{color:var(--text-muted);}
.crumb a:hover{color:var(--dawn);}
.crumb span.sep{margin:0 8px;color:var(--line-strong);}
.crumb .current{color:var(--text);}

/* ---------- article head ---------- */
.article-head{padding:24px 0 32px;border-bottom:1px solid var(--line);}
.article-head h1{
  font-size:clamp(1.75rem,3vw,2.5rem);
  color:var(--ink-900);max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:20px;font-size:13px;color:var(--text-muted);
}
.tag-pill{
  display:inline-block;background:var(--mist);color:var(--ink-700);
  border-radius:999px;padding:3px 12px;font-size:12px;letter-spacing:.02em;
}
.meta-sep{width:1px;height:12px;background:var(--line-strong);display:inline-block;}

/* ---------- layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:48px;padding:48px 0 96px;align-items:start;
}
@media (max-width:1023px){
  .article-layout{grid-template-columns:1fr;gap:40px;padding:32px 0 56px;}
}

/* ---------- article body ---------- */
.article-body{
  max-width:760px;font-size:17px;line-height:1.9;color:var(--text);
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:24px;margin:48px 0 16px;padding-top:24px;border-top:1px solid var(--line);
}
.article-body h3{font-size:20px;margin:32px 0 12px;}
.article-body h4{font-size:17px;margin:24px 0 10px;color:var(--ink-500);}
.article-body p{margin:0 0 1.1em;line-height:1.9;}
.article-body a{color:var(--ink-700);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body a:hover{color:var(--dawn);}
.article-body ul,.article-body ol{padding-left:1.5em;margin:0 0 1.2em;}
.article-body li{margin:6px 0;line-height:1.85;}
.article-body ul li::marker{color:var(--ink-300);}
.article-body ol li::marker{color:var(--ink-300);}
.article-body blockquote{
  border-left:3px solid var(--dawn);background:var(--mist);
  padding:16px 20px;margin:24px 0;font-size:16px;color:var(--ink-700);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  border-radius:var(--radius-img);width:100%;height:auto;object-fit:cover;margin:24px 0 8px;
}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  font-size:13px;color:var(--text-muted);text-align:center;margin-top:8px;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
}
.article-body thead th{
  background:var(--mist);color:var(--ink-700);font-weight:600;text-align:left;
}
.article-body th,.article-body td{
  border-bottom:1px solid var(--line);padding:12px 14px;
}
.article-body code{
  background:var(--mist);border-radius:2px;padding:2px 6px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;color:var(--ink-700);
}
.article-body pre{
  background:var(--mist);border-radius:2px;padding:16px 20px;overflow-x:auto;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;line-height:1.7;
  margin:24px 0;
}
.article-body pre code{background:none;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0;}

/* empty state */
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--radius-card);
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;text-align:center;padding:40px 24px;color:var(--text-muted);
}
.empty-state strong{display:block;font-family:var(--font-serif);font-size:20px;color:var(--ink-700);}

/* ---------- aside ---------- */
.article-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:24px;}
.aside-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:24px;
}
.aside-card h3{font-size:16px;margin-bottom:14px;}
.aside-card ul{list-style:none;padding:0;}
.aside-card li{border-top:1px solid var(--line);}
.aside-card li:first-child{border-top:0;}
.aside-card li a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 0;font-size:14px;color:var(--text);
}
.aside-card li a:hover{color:var(--ink-700);}
.aside-card li a i{font-style:normal;color:var(--ink-300);transition:transform .2s ease,color .2s ease;}
.aside-card li a:hover i{color:var(--dawn);transform:translateX(2px);}
@media (max-width:1023px){
  .article-aside{position:static;top:auto;}
}

/* ---------- related ---------- */
.related{padding:48px 0 72px;border-top:1px solid var(--line);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;
}
.section-head h2{font-size:clamp(1.5rem,2.4vw,2rem);}
.section-head p{font-size:14px;color:var(--text-muted);margin:8px 0 0;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
@media (max-width:1023px){ .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
@media (max-width:640px){ .card-grid{grid-template-columns:1fr;} }
.post-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.post-thumb{
  aspect-ratio:16/10;overflow:hidden;
}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:20px 20px 18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:19px;line-height:1.4;}
.post-body p{font-size:14px;color:var(--text-muted);margin:0;}
.post-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-muted);border-top:1px solid var(--line);padding-top:14px;
}
.post-foot i{font-style:normal;transition:transform .2s ease,color .2s ease;}
.post-card:hover .post-foot i{color:var(--dawn);transform:translateX(2px);}
.center-link{text-align:center;margin-top:40px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-700);
  border-bottom:1px solid transparent;
}
.link-arrow i{font-style:normal;transition:transform .2s ease,color .2s ease;}
.link-arrow:hover{border-bottom-color:var(--ink-700);}
.link-arrow:hover i{color:var(--dawn);transform:translateX(2px);}

/* ---------- faq ---------- */
.faq-wrap{max-width:800px;margin:0 auto;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:0;padding:22px 0;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-family:var(--font-serif);font-size:17px;color:var(--ink-700);
}
.faq-q .plus{
  position:relative;width:14px;height:14px;flex:0 0 14px;transition:transform .28s ease;
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:var(--ink-500);
}
.faq-q .plus::before{left:0;top:6px;width:14px;height:1px;}
.faq-q .plus::after{left:6px;top:0;width:1px;height:14px;}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .28s ease;
}
.faq-a p{font-size:15px;line-height:1.85;color:var(--text-muted);padding:0 0 22px;margin:0;}

/* ---------- lead form ---------- */
.lead-section{
  background:var(--paper);border-top:1px solid var(--line);
  padding:96px 0;
}
@media (max-width:640px){ .lead-section{padding:56px 0;} }
.lead-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;align-items:start;}
@media (max-width:1023px){ .lead-grid{grid-template-columns:1fr;gap:32px;} }
.lead-intro h2{font-size:clamp(1.5rem,2.4vw,2.1rem);margin-bottom:16px;}
.lead-intro p{color:var(--text-muted);font-size:15px;}
.dot-list{list-style:none;padding:0;margin:24px 0 0;}
.dot-list li{
  position:relative;padding-left:18px;font-size:15px;color:var(--text);margin-bottom:12px;
}
.dot-list li::before{
  content:"";position:absolute;left:0;top:11px;width:5px;height:5px;background:var(--ink-500);
}
.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:32px;
}
@media (max-width:640px){ .form-card{padding:22px;} }
.field{margin-bottom:20px;}
.field label{display:block;font-size:14px;color:var(--ink-700);margin-bottom:8px;}
.field .req{color:var(--dawn);margin-left:4px;}
.field input[type="text"],.field input[type="tel"],.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;padding:12px 14px;font-size:15px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input{height:46px;}
.field textarea{min-height:110px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--ink-700);
  box-shadow:0 0 0 3px rgba(196,105,60,.22);
}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-muted);}
.check-row input{margin-top:4px;}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:24px;}
.btn{
  display:inline-block;background:var(--ink-700);color:#F7F5F1;border:1px solid var(--ink-700);
  border-radius:var(--radius-btn);padding:14px 28px;font-size:15px;cursor:pointer;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease,color .2s ease;
}
.btn:hover{background:var(--ink-900);border-color:var(--ink-900);color:#F7F5F1;box-shadow:var(--shadow-hover);}
.btn:disabled{opacity:.4;cursor:not-allowed;}
.btn-ghost{
  background:#fff;color:var(--ink-700);border:1px solid var(--line-strong);
}
.btn-ghost:hover{background:#fff;color:var(--ink-900);border-color:var(--ink-700);}
.privacy-note{font-size:13px;color:var(--text-muted);line-height:1.8;margin-top:18px;}
.privacy-note strong{color:var(--ink-700);font-weight:600;}

/* ---------- data strip ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  margin:0 0 72px;
}
.stat-strip .stat{padding:28px 24px;border-left:1px solid var(--line);}
.stat-strip .stat:first-child{border-left:0;}
.stat-strip .num{
  font-size:34px;font-weight:500;letter-spacing:-.02em;color:var(--ink-900);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.stat-strip .lbl{font-size:13px;color:var(--text-muted);margin-top:8px;}
@media (max-width:640px){
  .stat-strip{grid-template-columns:1fr;}
  .stat-strip .stat{border-left:0;border-top:1px solid var(--line);}
  .stat-strip .stat:first-child{border-top:0;}
}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:#E9E5DC;padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;}
@media (max-width:1023px){ .footer-grid{grid-template-columns:1fr 1fr;} }
@media (max-width:640px){ .footer-grid{grid-template-columns:1fr;gap:32px;} }
.footer-brand{
  display:flex;align-items:center;gap:10px;font-family:var(--font-serif);
  font-size:20px;color:#F7F5F1;margin-bottom:14px;
}
.footer-desc{font-size:14px;color:rgba(233,229,220,.72);line-height:1.85;margin:0;max-width:360px;}
.footer-col h4{
  font-family:var(--font-sans);font-size:13px;letter-spacing:.12em;
  color:rgba(233,229,220,.6);margin-bottom:16px;text-transform:uppercase;
}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{font-size:14px;color:rgba(233,229,220,.78);margin-bottom:10px;}
.footer-col a{color:rgba(233,229,220,.78);}
.footer-col a:hover{color:var(--dawn);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding-top:22px;
  font-size:13px;color:rgba(233,229,220,.6);
}
@media (max-width:640px){
  .site-footer{padding:56px 0 24px;}
}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(12px);}
.reveal.is-in{
  opacity:1;transform:none;
  transition:opacity .48s cubic-bezier(.2,.7,.3,1),transform .48s cubic-bezier(.2,.7,.3,1);
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .post-card:hover{transform:none;}
  .post-card:hover .post-thumb img{transform:none;}
  *{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --ink-900:#14231F;
  --ink-700:#1E3A34;
  --ink-500:#35605A;
  --ink-300:#6E8F88;
  --mist:#DDE7E3;
  --dawn:#C4693C;
  --dawn-deep:#A8552E;
  --paper:#F7F5F1;
  --card:#FFFFFF;
  --line:#E5E1D8;
  --line-strong:#CFC9BC;
  --text:#22201C;
  --text-muted:#6B665E;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --radius-btn:2px;
  --radius-card:6px;
  --shadow-card:0 1px 2px rgba(20,35,31,.04);
  --shadow-hover:0 10px 30px -12px rgba(20,35,31,.18);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:visited{color:inherit;}
a:hover{color:var(--dawn);}
button,input,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;letter-spacing:.01em;line-height:1.25;margin:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--dawn);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ---------- 入场动效 ---------- */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .48s cubic-bezier(.2,.7,.3,1),transform .48s cubic-bezier(.2,.7,.3,1);}
.js .reveal.is-visible{opacity:1;transform:none;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,245,241,.94);
  border-bottom:1px solid var(--line);
  transition:background .25s ease;
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:88px;transition:height .25s ease;
}
.site-header.is-scrolled .nav-inner{height:64px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-serif);font-size:21px;line-height:1;
  color:var(--ink-700);letter-spacing:.02em;white-space:nowrap;
}
.brand:hover{color:var(--ink-900);}
.brand-mark{
  width:6px;height:6px;background:var(--dawn);display:inline-block;flex:none;
}
.nav-links{display:flex;align-items:center;gap:32px;}
.nav-links a{
  position:relative;display:inline-block;
  font-size:14px;letter-spacing:.02em;color:var(--text);
  padding:8px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:2px;height:1px;width:0;
  background:var(--ink-700);transition:width .2s ease;
}
.nav-links a:hover{color:var(--ink-700);}
.nav-links a:hover::after{width:100%;}
.nav-links a.is-active{color:var(--ink-700);}
.nav-links a.is-active::after{width:100%;height:2px;}
.nav-cta{
  border:1px solid var(--ink-700);border-radius:var(--radius-btn);
  padding:10px 20px;font-size:14px;color:var(--ink-700);
  white-space:nowrap;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.nav-cta:hover{background:var(--ink-700);color:var(--paper);border-color:var(--ink-700);}
.nav-toggle{
  display:none;position:relative;width:40px;height:40px;
  border:0;background:none;cursor:pointer;padding:0;
}
.nav-toggle span{
  position:absolute;left:12px;width:16px;height:1px;background:var(--ink-700);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle span:first-child{top:18px;}
.nav-toggle span:last-child{top:23px;}
.nav-toggle[aria-expanded="true"] span:first-child{transform:translateY(2.5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:last-child{transform:translateY(-2.5px) rotate(-45deg);}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  font-size:13px;color:var(--text-muted);letter-spacing:.02em;
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
}
.breadcrumb a{color:var(--text-muted);}
.breadcrumb a:hover{color:var(--dawn);}
.breadcrumb .sep{color:var(--line-strong);}
.breadcrumb .current{color:var(--ink-700);}

/* ---------- 分类 Hero ---------- */
.page-hero{
  padding:72px 0 64px;
  border-bottom:1px solid var(--line);
  min-height:clamp(280px,32vw,360px);
  display:flex;align-items:center;
}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;width:100%;
}
.hero-copy .breadcrumb{margin-bottom:24px;}
.pill{
  display:inline-block;background:var(--mist);color:var(--ink-700);
  border-radius:999px;padding:6px 14px;font-size:12px;letter-spacing:.04em;
  margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(2.25rem,4.2vw,3.4rem);
  color:var(--ink-900);
  margin-bottom:20px;
}
.hero-sub{
  font-size:17px;color:var(--text-muted);max-width:36em;line-height:1.85;
}
.hero-note{
  margin-top:28px;display:flex;flex-wrap:wrap;gap:12px 28px;
  font-size:13px;color:var(--text-muted);
}
.hero-note span{display:inline-flex;align-items:center;gap:8px;}
.hero-note span::before{
  content:"";width:4px;height:4px;background:var(--ink-300);display:inline-block;
}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-card);
}
.hero-media::after{
  content:"";position:absolute;left:12px;top:12px;right:-12px;bottom:-12px;
  border:1px solid var(--line-strong);border-radius:var(--radius-card);
  z-index:-1;
}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-head{margin-bottom:48px;}
.section-title{
  font-size:clamp(1.5rem,2.4vw,2.25rem);
  color:var(--ink-900);
}
.eyebrow{
  display:block;font-size:12px;letter-spacing:.16em;color:var(--ink-300);
  text-transform:uppercase;margin-bottom:14px;
}
.section-lead{
  margin-top:16px;font-size:16px;color:var(--text-muted);max-width:44em;line-height:1.85;
}

/* ---------- 条目清单（左栏 sticky + 右栏行清单） ---------- */
.entries{
  display:grid;grid-template-columns:3fr 9fr;gap:48px;align-items:start;
}
.entries-aside{position:sticky;top:104px;}
.entries-aside .section-title{font-size:clamp(1.4rem,2vw,1.9rem);margin-bottom:16px;}
.aside-text{font-size:14px;color:var(--text-muted);line-height:1.9;margin-bottom:24px;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--ink-700);border-bottom:1px solid var(--line-strong);
  padding-bottom:4px;transition:color .2s ease,border-color .2s ease;
}
.text-link .arrow{transition:transform .2s ease,color .2s ease;}
.text-link:hover{color:var(--dawn);border-color:var(--dawn);}
.text-link:hover .arrow{transform:translateX(2px);color:var(--dawn);}
.entry-row{
  display:grid;grid-template-columns:52px 1fr 24px;gap:16px;align-items:start;
  padding:22px 16px;border-top:1px solid var(--line);
  transition:background .2s ease;cursor:pointer;
}
.entry-row:last-child{border-bottom:1px solid var(--line);}
.entry-row:hover{background:var(--card);}
.entry-no{
  font-size:13px;color:var(--ink-300);font-variant-numeric:tabular-nums;
  letter-spacing:.1em;padding-top:6px;
}
.entry-title{
  font-size:19px;color:var(--ink-900);margin-bottom:8px;transition:color .2s ease;
}
.entry-row:hover .entry-title{color:var(--ink-700);}
.entry-desc{font-size:14px;color:var(--text-muted);line-height:1.8;}
.entry-arrow{
  font-size:15px;color:var(--line-strong);padding-top:6px;
  transition:transform .2s ease,color .2s ease;
}
.entry-row:hover .entry-arrow{color:var(--dawn);transform:translateX(2px);}

/* ---------- 更新记录表格 ---------- */
.log-section{border-top:1px solid var(--line);padding-top:64px;}
.table-wrap{overflow-x:auto;border-top:1px solid var(--line);}
.log-table{
  width:100%;min-width:680px;border-collapse:collapse;font-size:14px;
}
.log-table th{
  background:var(--mist);color:var(--ink-700);font-weight:600;
  text-align:left;padding:14px 16px;font-size:13px;letter-spacing:.04em;
}
.log-table td{
  padding:16px;border-bottom:1px solid var(--line);color:var(--text-muted);
  vertical-align:top;line-height:1.75;
}
.log-table td:first-child{color:var(--text);font-variant-numeric:tabular-nums;white-space:nowrap;}
.table-note{margin-top:16px;font-size:13px;color:var(--text-muted);}

/* ---------- 数据小条 ---------- */
.stat-strip{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  display:grid;grid-template-columns:repeat(3,1fr);
}
.stat{padding:32px 28px;border-left:1px solid var(--line);}
.stat:first-child{border-left:0;}
.stat-num{
  font-size:clamp(2.25rem,3.6vw,3.5rem);font-weight:500;line-height:1.1;
  color:var(--ink-900);letter-spacing:-.02em;font-variant-numeric:tabular-nums;
}
.stat-num .unit{font-size:16px;color:var(--ink-500);margin-left:6px;letter-spacing:0;}
.stat-label{margin-top:10px;font-size:13px;color:var(--text-muted);}

/* ---------- 表单与 CTA ---------- */
.cta-section{
  background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.cta-points{margin-top:28px;display:grid;gap:14px;}
.cta-points li{
  position:relative;padding-left:16px;font-size:15px;color:var(--text-muted);line-height:1.8;
}
.cta-points li::before{
  content:"";position:absolute;left:0;top:.72em;width:4px;height:4px;background:var(--ink-500);
}
.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:32px;box-shadow:var(--shadow-card);
}
.field{margin-bottom:20px;}
.field label{
  display:block;font-size:14px;color:var(--ink-700);margin-bottom:8px;
}
.field .req{color:var(--dawn);margin-left:4px;}
.field input[type="text"],
.field input[type="tel"],
.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--paper);padding:0 14px;height:46px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;padding:12px 14px;min-height:112px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--ink-700);box-shadow:0 0 0 2px rgba(196,105,60,.35);
}
.field input::placeholder,.field textarea::placeholder{color:#A9A399;}
.agree{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-muted);line-height:1.7;}
.agree input{margin-top:4px;accent-color:var(--ink-700);}
.form-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-top:24px;}
.btn-primary{
  display:inline-block;background:var(--ink-700);color:var(--paper);
  border:1px solid var(--ink-700);border-radius:var(--radius-btn);
  padding:14px 28px;font-size:15px;cursor:pointer;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease,color .2s ease;
}
.btn-primary:hover{background:var(--ink-900);border-color:var(--ink-900);color:var(--paper);box-shadow:var(--shadow-hover);}
.btn-primary:disabled{opacity:.4;cursor:not-allowed;}
.form-success{
  margin-top:16px;font-size:14px;color:var(--ink-700);
  border:1px solid var(--ink-300);border-radius:var(--radius-btn);
  padding:12px 14px;background:var(--mist);
}
.privacy-note{
  margin-top:20px;font-size:13px;color:var(--text-muted);line-height:1.85;
}
.privacy-note span{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-900);color:rgba(247,245,241,.86);
  padding:72px 0 32px;margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-serif);font-size:20px;color:var(--paper);letter-spacing:.02em;
}
.footer-desc{
  margin-top:18px;font-size:14px;line-height:1.85;color:rgba(247,245,241,.66);max-width:32em;
}
.footer-col h4{
  font-family:var(--font-sans);font-size:13px;letter-spacing:.14em;
  color:rgba(247,245,241,.58);text-transform:uppercase;margin-bottom:18px;font-weight:600;
}
.footer-col ul{display:grid;gap:12px;}
.footer-col li{font-size:14px;color:rgba(247,245,241,.72);}
.footer-col a{color:rgba(247,245,241,.86);}
.footer-col a:hover{color:var(--dawn);}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,245,241,.56);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .section{padding:64px 0;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:-1;}
  .entries{grid-template-columns:1fr;gap:32px;}
  .entries-aside{position:static;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .nav-links{
    position:fixed;left:0;right:0;top:0;bottom:0;z-index:60;
    background:var(--paper);flex-direction:column;align-items:flex-start;justify-content:center;
    gap:0;padding:0 32px;
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .2s ease,transform .2s ease,visibility .2s;
  }
  .nav-links.is-open{opacity:1;visibility:visible;transform:none;}
  .nav-links a{
    width:100%;font-family:var(--font-serif);font-size:22px;padding:20px 0;
    border-bottom:1px solid var(--line);
  }
  .nav-links a::after{display:none;}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
  .nav-inner{height:64px;}
}
@media (max-width:639px){
  .container{padding:0 20px;}
  .page-hero{padding:48px 0 44px;}
  .section{padding:56px 0;}
  .entry-row{grid-template-columns:36px 1fr;padding:20px 8px;}
  .entry-arrow{display:none;}
  .stat-strip{grid-template-columns:1fr;}
  .stat{border-left:0;border-top:1px solid var(--line);padding:24px 4px;}
  .stat:first-child{border-top:0;}
  .form-card{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .js .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --ink-900:#14231F;
  --ink-700:#1E3A34;
  --ink-500:#35605A;
  --ink-300:#6E8F88;
  --mist:#DDE7E3;
  --dawn:#C4693C;
  --dawn-deep:#A8552E;
  --paper:#F7F5F1;
  --card:#FFFFFF;
  --line:#E5E1D8;
  --line-strong:#CFC9BC;
  --text:#22201C;
  --text-muted:#6B665E;
  --radius-btn:2px;
  --radius-card:6px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(20,35,31,.04);
  --shadow-hover:0 10px 30px -12px rgba(20,35,31,.18);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",STSong,serif;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink-700);text-decoration:none;transition:color .2s ease;}
a:visited{color:var(--ink-700);}
a:hover{color:var(--dawn);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--dawn);
  outline-offset:2px;
  border-radius:2px;
}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:600;
  letter-spacing:.01em;
  line-height:1.25;
  color:var(--ink-900);
  margin:0;
}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  width:100%;
}
.section{padding:104px 0;}
.section-title{
  font-size:clamp(1.5rem,2.4vw,2.25rem);
  margin-bottom:16px;
}
.section-sub{
  font-size:15px;
  color:var(--text-muted);
  max-width:640px;
}

/* ---------- 顶部细条 ---------- */
.topbar{
  background:var(--ink-900);
  color:rgba(247,245,241,.82);
  font-size:13px;
  letter-spacing:.02em;
}
.topbar-inner{
  min-height:38px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar a{color:rgba(247,245,241,.82);}
.topbar a:hover{color:var(--dawn);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,245,241,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s ease;
}
.nav-inner{
  min-height:88px;
  display:flex;
  align-items:center;
  gap:32px;
  transition:min-height .24s ease;
}
.site-header.is-scrolled .nav-inner{min-height:64px;}
.site-header.is-scrolled{box-shadow:0 1px 0 rgba(20,35,31,.04);}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--serif);
  font-size:21px;
  font-weight:600;
  color:var(--ink-900);
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand:visited{color:var(--ink-900);}
.brand:hover{color:var(--ink-700);}
.brand-mark{
  width:6px;
  height:6px;
  background:var(--dawn);
  display:inline-block;
  flex:none;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:34px;
  margin-left:auto;
  font-size:14px;
  letter-spacing:.02em;
}
.nav-links a{
  position:relative;
  color:var(--text);
  padding:6px 0;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:0;
  height:2px;
  background:var(--ink-700);
  transition:width .2s ease;
}
.nav-links a:hover{color:var(--ink-700);}
.nav-links a:hover::after{width:100%;}
.nav-links a.is-active{color:var(--ink-700);}
.nav-links a.is-active::after{width:100%;}
.nav-cta{
  border:1px solid var(--ink-700);
  border-radius:var(--radius-btn);
  padding:10px 20px;
  font-size:14px;
  color:var(--ink-700);
  letter-spacing:.02em;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.nav-cta:visited{color:var(--ink-700);}
.nav-cta:hover{
  background:var(--ink-700);
  color:var(--paper);
  box-shadow:var(--shadow-card);
}
.nav-toggle{
  display:none;
  width:32px;
  height:32px;
  flex-direction:column;
  justify-content:center;
  gap:6px;
  margin-left:auto;
}
.nav-toggle span{
  display:block;
  width:16px;
  height:1px;
  background:var(--ink-900);
  transition:transform .2s ease;
}

/* ---------- 页面 Hero ---------- */
.page-hero{
  border-bottom:1px solid var(--line);
  background:var(--card);
}
.hero-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:56px;
  align-items:center;
  min-height:clamp(280px,32vw,360px);
  padding-top:64px;
  padding-bottom:64px;
}
.breadcrumb{
  font-size:13px;
  color:var(--text-muted);
  margin-bottom:20px;
  letter-spacing:.02em;
}
.breadcrumb a{color:var(--text-muted);}
.breadcrumb a:hover{color:var(--dawn);}
.breadcrumb .sep{margin:0 8px;color:var(--line-strong);}
.breadcrumb .current{color:var(--text);}
.page-hero h1{
  font-size:clamp(1.9rem,3.4vw,2.85rem);
  margin-bottom:20px;
}
.hero-lead{
  font-size:16px;
  color:var(--text-muted);
  line-height:1.85;
  max-width:620px;
}
.hero-media{position:relative;}
.hero-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--radius-card);
}
.hero-media::after{
  content:"";
  position:absolute;
  inset:12px -12px -12px 12px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-card);
  z-index:-1;
}

/* ---------- 交错图文 ---------- */
.zigzag-section{padding:96px 0 8px;}
.zigzag-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
  padding-bottom:88px;
  margin-bottom:88px;
  border-bottom:1px solid var(--line);
}
.zigzag-row:last-child{border-bottom:none;margin-bottom:0;}
.zigzag-row.is-reverse .zigzag-media{order:2;}
.zigzag-row.is-reverse .zigzag-copy{order:1;}
.zigzag-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
}
.tag{
  display:inline-block;
  background:var(--mist);
  color:var(--ink-700);
  font-size:12px;
  letter-spacing:.04em;
  border-radius:var(--radius-pill);
  padding:5px 14px;
  margin-bottom:18px;
}
.zigzag-copy h2{
  font-size:clamp(1.15rem,1.6vw,1.4rem);
  margin-bottom:16px;
}
.zigzag-copy p{
  font-size:16px;
  color:var(--text-muted);
  line-height:1.85;
  margin-bottom:18px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  color:var(--ink-700);
  letter-spacing:.02em;
}
.text-link .arrow{transition:transform .2s ease,color .2s ease;}
.text-link:hover{color:var(--dawn);}
.text-link:hover .arrow{transform:translateX(2px);color:var(--dawn);}

/* ---------- 要点清单通栏 ---------- */
.mist-band{
  background:var(--mist);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:88px 0;
}
.mist-band .section-title{margin-bottom:12px;}
.point-grid{
  margin-top:44px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px 56px;
}
.point-item{
  display:flex;
  gap:14px;
  padding:20px 0;
  border-top:1px solid rgba(20,35,31,.1);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-900);
}
.point-item:last-child{border-bottom:1px solid rgba(20,35,31,.1);}
.point-item .dot{
  flex:none;
  width:4px;
  height:4px;
  margin-top:12px;
  background:var(--dawn);
}

/* ---------- FAQ ---------- */
.faq-section{padding:104px 0;background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.faq-list{max-width:800px;margin-top:40px;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:24px 0;
  font-family:var(--serif);
  font-size:17px;
  color:var(--ink-900);
  line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--ink-700);}
.faq-icon{
  position:relative;
  flex:none;
  width:14px;
  height:14px;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--ink-500);
  transition:transform .28s ease;
}
.faq-icon::before{top:6px;left:0;width:14px;height:1px;}
.faq-icon::after{left:6px;top:0;width:1px;height:14px;}
.faq-item[open] .faq-icon::after{transform:rotate(45deg);}
.faq-body{
  padding:0 0 26px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-muted);
  max-width:680px;
}

/* ---------- CTA 表单 ---------- */
.cta-section{
  padding:104px 0;
  background:var(--paper);
  border-top:1px solid var(--line);
}
.cta-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:64px;
  align-items:start;
}
.cta-copy h2{
  font-size:clamp(1.4rem,2.1vw,1.9rem);
  margin-bottom:18px;
}
.cta-copy p{
  font-size:16px;
  color:var(--text-muted);
  line-height:1.85;
  margin-bottom:28px;
}
.mini-points li{
  display:flex;
  gap:12px;
  font-size:15px;
  color:var(--text);
  padding:12px 0;
  border-top:1px solid var(--line);
}
.mini-points li:last-child{border-bottom:1px solid var(--line);}
.mini-points .dot{
  flex:none;
  width:4px;
  height:4px;
  margin-top:11px;
  background:var(--dawn);
}
.form-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:36px;
  box-shadow:var(--shadow-card);
}
.form-row{margin-bottom:20px;}
.form-row label{
  display:block;
  font-size:14px;
  color:var(--ink-700);
  margin-bottom:8px;
  letter-spacing:.02em;
}
.required{color:var(--dawn);margin-left:4px;}
.form-row input,
.form-row textarea{
  width:100%;
  font-family:inherit;
  font-size:16px;
  color:var(--text);
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  padding:12px 14px;
  min-height:46px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-row textarea{line-height:1.7;resize:vertical;}
.form-row input::placeholder,
.form-row textarea::placeholder{color:#A9A399;}
.form-row input:focus,
.form-row textarea:focus{
  outline:none;
  border-color:var(--ink-700);
  box-shadow:0 0 0 3px rgba(196,105,60,.22);
}
.check-row{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13px;
  color:var(--text-muted);
  line-height:1.7;
  margin:22px 0 26px;
}
.check-row input{width:16px;height:16px;margin-top:3px;accent-color:var(--ink-700);flex:none;}
.form-actions{
  display:flex;
  align-items:center;
  gap:24px;
  flex-wrap:wrap;
}
.btn-primary{
  display:inline-block;
  background:var(--ink-700);
  color:var(--paper);
  border-radius:var(--radius-btn);
  padding:14px 28px;
  font-size:15px;
  letter-spacing:.02em;
  border:1px solid var(--ink-700);
  transition:background .2s ease,box-shadow .2s ease,color .2s ease;
}
.btn-primary:visited{color:var(--paper);}
.btn-primary:hover{
  background:var(--ink-900);
  border-color:var(--ink-900);
  color:var(--paper);
  box-shadow:var(--shadow-hover);
}
.btn-primary.is-disabled{opacity:.4;cursor:not-allowed;}
.form-note{
  margin-top:24px;
  font-size:13px;
  color:var(--text-muted);
  line-height:1.8;
  border-top:1px solid var(--line);
  padding-top:18px;
}
.form-note strong{color:var(--ink-700);font-weight:600;}
.form-success{
  margin-top:20px;
  font-size:14px;
  color:var(--ink-700);
  border:1px solid var(--ink-300);
  border-radius:var(--radius-btn);
  padding:12px 14px;
  display:none;
}
.form-success.is-visible{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-900);
  color:rgba(247,245,241,.78);
  padding:80px 0 32px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:48px;
  padding-bottom:56px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--serif);
  font-size:20px;
  color:var(--paper);
  margin-bottom:18px;
}
.footer-desc{
  font-size:14px;
  line-height:1.85;
  color:rgba(247,245,241,.62);
  max-width:340px;
}
.footer-col h4{
  font-family:var(--sans);
  font-size:13px;
  letter-spacing:.12em;
  color:rgba(247,245,241,.55);
  font-weight:500;
  margin-bottom:18px;
  text-transform:uppercase;
}
.footer-col li{
  margin-bottom:12px;
  line-height:1.7;
  color:rgba(247,245,241,.72);
}
.footer-col a{color:rgba(247,245,241,.78);}
.footer-col a:visited{color:rgba(247,245,241,.78);}
.footer-col a:hover{color:var(--dawn);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:24px;
  display:flex;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(247,245,241,.55);
}

/* ---------- 移动端全屏导航 ---------- */
.mobile-panel{
  position:fixed;
  inset:0;
  background:var(--paper);
  z-index:80;
  padding:96px 24px 40px;
  display:none;
  flex-direction:column;
  gap:4px;
  opacity:0;
  transition:opacity .2s ease;
}
.mobile-panel.is-open{display:flex;opacity:1;}
.mobile-panel a{
  font-family:var(--serif);
  font-size:22px;
  color:var(--ink-900);
  padding:20px 0;
  border-bottom:1px solid var(--line);
}
.mobile-panel a.is-active{color:var(--ink-700);}
.mobile-close{
  position:absolute;
  top:28px;
  right:24px;
  font-size:14px;
  color:var(--ink-700);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-btn);
  padding:8px 16px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:40px;padding-top:48px;padding-bottom:56px;}
  .hero-media::after{display:none;}
  .zigzag-row{grid-template-columns:1fr;gap:28px;padding-bottom:56px;margin-bottom:56px;}
  .zigzag-row.is-reverse .zigzag-media{order:1;}
  .zigzag-row.is-reverse .zigzag-copy{order:2;}
  .cta-grid{grid-template-columns:1fr;gap:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
}
@media (max-width:639px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .section{padding:60px 0;}
  .topbar-inner{font-size:12px;}
  .topbar .topbar-right{display:none;}
  .nav-inner{min-height:68px;}
  .brand{font-size:19px;}
  .point-grid{grid-template-columns:1fr;gap:0;}
  .mist-band{padding:60px 0;}
  .faq-section,.cta-section{padding:60px 0;}
  .form-card{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .form-actions{gap:16px;}
  .btn-primary{width:100%;text-align:center;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}