/* roulang page: index */
:root{
  --ink:#1E4038;
  --ink-deep:#16302A;
  --accent:#C2562B;
  --accent-dark:#A8451F;
  --sage:#6E7F62;
  --bg:#F7F4ED;
  --linen:#EFE8DB;
  --card:#FFFFFF;
  --text:#22201D;
  --muted:#5C5852;
  --faint:#8A857C;
  --line:#DED6C7;
  --danger:#B33A3A;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-sm:0 2px 8px rgba(34,32,29,.06);
  --sh-lg:0 10px 28px rgba(34,32,29,.10);
  --font-serif:'Noto Serif SC','Source Han Serif SC','Songti SC','SimSun',serif;
  --font-sans:system-ui,-apple-system,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font-sans);font-size:17px;line-height:1.85;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--ink);letter-spacing:-.01em;margin:0}
h1{font-size:clamp(28px,3.2vw,40px);line-height:1.25;font-weight:700}
h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:700}
h3{font-size:clamp(17px,1.6vw,19px);line-height:1.45;font-weight:600}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
img{max-width:100%;display:block;border:0}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px dashed var(--accent);outline-offset:3px}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-head{max-width:780px;margin-bottom:40px}
.section-head p{color:var(--muted);margin-top:12px;font-size:16.5px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--accent);
  font-weight:700;margin-bottom:14px;text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:block}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-btn);border:1.5px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;
  min-height:44px;transition:background .25s ease,color .25s ease,box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-lg)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:rgba(30,64,56,.08);color:var(--ink)}
.btn-ghost:active{background:rgba(30,64,56,.14)}
.btn-light{background:#fff;color:var(--ink);border-color:#fff}
.btn-light:hover{background:var(--linen);color:var(--ink);transform:translateY(-1px);box-shadow:var(--sh-lg)}
.btn-sm{padding:9px 18px;font-size:14px;min-height:38px}

.textlink{
  display:inline-flex;align-items:center;gap:6px;color:var(--ink);
  font-weight:600;font-size:14.5px;border-bottom:2px solid transparent;padding-bottom:1px;
}
.textlink:hover{color:var(--accent-dark);border-color:var(--accent)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:var(--ink);
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh-sm)}
.header-inner{display:flex;align-items:center;gap:24px;min-height:74px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:26px;height:26px;border-radius:6px;background:var(--accent);
  position:relative;flex:none;box-shadow:inset 0 0 0 3px rgba(255,255,255,.86);
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;background:var(--accent);border-radius:2px;
}
.brand strong{
  font-family:var(--font-serif);font-size:20px;font-weight:700;color:#fff;
  letter-spacing:.02em;transition:color .25s ease;
}
.brand em{
  font-style:normal;font-size:13px;font-weight:400;color:rgba(255,255,255,.72);
  margin-left:7px;letter-spacing:.01em;transition:color .25s ease;
}
.site-header.scrolled .brand strong{color:var(--ink)}
.site-header.scrolled .brand em{color:var(--faint)}
.chip-nav{display:flex;align-items:center;gap:8px;flex:1;justify-content:center;flex-wrap:nowrap}
.chip-nav a{
  padding:8px 14px;border-radius:999px;font-size:14px;white-space:nowrap;
  border:1px solid rgba(255,255,255,.24);color:rgba(255,255,255,.88);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.chip-nav a:hover{background:rgba(255,255,255,.13);color:#fff}
.chip-nav a.active{background:#fff;color:var(--ink);border-color:#fff;font-weight:600}
.site-header.scrolled .chip-nav a{color:var(--muted);border-color:var(--line)}
.site-header.scrolled .chip-nav a:hover{background:rgba(30,64,56,.06);color:var(--ink)}
.site-header.scrolled .chip-nav a.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.header-right{display:flex;flex-direction:column;align-items:flex-end;gap:2px;flex:none}
.serve-time{font-size:11.5px;color:rgba(255,255,255,.6);letter-spacing:.02em;transition:color .25s ease}
.site-header.scrolled .serve-time{color:var(--faint)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.3);
  background:transparent;border-radius:10px;align-items:center;justify-content:center;
  cursor:pointer;margin-left:auto;flex:none;
}
.site-header.scrolled .nav-toggle{border-color:var(--line)}
.nav-toggle svg{width:20px;height:20px;stroke:#fff}
.site-header.scrolled .nav-toggle svg{stroke:var(--ink)}
.mobile-drawer{
  display:none;position:absolute;left:0;right:0;top:100%;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:var(--sh-lg);padding:16px 24px 24px;
}
.mobile-drawer.open{display:block}
.mobile-drawer a{
  display:block;padding:12px 16px;border-radius:999px;font-size:15px;
  color:var(--muted);border:1px solid var(--line);margin-bottom:10px;
}
.mobile-drawer a.active{background:var(--ink);color:#fff;border-color:var(--ink);font-weight:600}
.mobile-drawer .btn{width:100%;margin-top:6px}

/* ---------- Hero ---------- */
.hero{padding:72px 0 88px;position:relative;overflow:hidden}
.hero::after{
  content:"";position:absolute;right:-70px;top:40px;width:180px;height:180px;
  border:1px solid var(--line);border-radius:22px;transform:rotate(18deg);z-index:0;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;position:relative;z-index:1}
.hero h1{margin-bottom:6px}
.hero-sub{font-size:18px;color:var(--muted);margin:16px 0 28px;max-width:33em;line-height:1.8}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-metrics{display:flex;flex-wrap:wrap;margin-top:32px;gap:0}
.hero-metrics span{
  font-size:13px;color:var(--faint);padding:0 18px;border-left:1px solid var(--line);
  line-height:1.6;
}
.hero-metrics span:first-child{padding-left:0;border-left:0}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--r-img);
  box-shadow:var(--sh-lg);border:1px solid var(--line);
}
.hero-visual::before{
  content:"";position:absolute;left:-10px;top:-10px;width:34px;height:34px;
  border-left:2px solid var(--accent);border-top:2px solid var(--accent);
  border-radius:6px 0 0 0;
}
.hero-chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.chip{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  background:rgba(110,127,98,.14);color:#4C5A43;font-size:12.5px;
  border:1px solid rgba(110,127,98,.24);white-space:nowrap;line-height:1.5;
}

/* ---------- 痛点提问 ---------- */
.questions{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.q-list{display:grid;gap:22px}
.q-list li{
  border-left:2px solid var(--accent);padding-left:18px;
  font-size:17px;color:var(--text);line-height:1.7;
}
.q-list li:nth-child(even){margin-left:56px}
.q-note{
  background:var(--linen);border-radius:var(--r-card);padding:24px 26px;
  color:var(--muted);font-size:15px;border:1px solid var(--line);
}

/* ---------- 方案卡片 ---------- */
.solution-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.solution-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-sm);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;
}
.solution-card:hover{box-shadow:var(--sh-lg);transform:translateY(-2px);border-color:#CFC5B2}
.solution-card h3{margin-bottom:10px}
.solution-card p{color:var(--muted);font-size:15.5px;margin-bottom:16px;line-height:1.8}
.solution-card .textlink{margin-top:auto}
.solution-wide{
  grid-column:1/-1;display:grid;grid-template-columns:1.05fr 1fr;
  padding:0;overflow:hidden;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-sm);
  transition:box-shadow .25s ease,transform .25s ease;
}
.solution-wide:hover{box-shadow:var(--sh-lg);transform:translateY(-2px)}
.solution-wide .wide-body{padding:34px;display:flex;flex-direction:column;justify-content:center}
.solution-wide .wide-body h3{margin-bottom:12px;font-size:22px}
.solution-wide .wide-body p{color:var(--muted);font-size:15.5px;margin-bottom:18px}
.solution-wide img{height:100%;min-height:240px;object-fit:cover;width:100%}

/* ---------- 数据区 ---------- */
.stats{background:var(--ink);color:#fff;padding:60px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:6px 26px;border-left:1px solid rgba(255,255,255,.16)}
.stat:first-child{border-left:0;padding-left:0}
.stat b{
  display:block;font-family:var(--font-serif);font-size:38px;line-height:1.1;
  color:var(--accent);font-variant-numeric:tabular-nums;font-weight:700;margin-bottom:8px;
}
.stat span{font-size:13.5px;color:rgba(255,255,255,.76);line-height:1.7;display:block}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sh-sm);
  transition:box-shadow .25s ease,transform .25s ease;
}
.news-card:hover{box-shadow:var(--sh-lg);transform:translateY(-2px)}
.news-thumb{display:block;background:var(--linen)}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:18px;line-height:1.5;transition:color .2s ease}
.news-card:hover .news-body h3{color:var(--ink)}
.news-desc{
  color:var(--muted);font-size:14.5px;line-height:1.8;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  font-size:13px;color:var(--faint);
}
.news-meta .read-link{color:var(--ink);font-weight:600;border-bottom:2px solid transparent;padding-bottom:1px}
.news-meta .read-link:hover{color:var(--accent-dark);border-color:var(--accent)}
.empty-state{
  background:var(--linen);border:1px solid var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;
}
.empty-state .empty-art{
  width:88px;height:60px;margin:0 auto 20px;border-radius:8px;
  background:#fff;border:1px solid var(--line);position:relative;
}
.empty-state .empty-art::after{
  content:"";position:absolute;left:14px;right:14px;top:20px;height:1px;
  background:var(--line);box-shadow:0 10px 0 var(--line),0 20px 0 var(--line);
}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:18px}

/* ---------- 表单 ---------- */
.consult-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.consult-intro p{color:var(--muted)}
.consult-list{display:grid;gap:14px;margin-top:24px}
.consult-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--text);
}
.consult-list li::before{
  content:"";width:8px;height:8px;border-radius:2px;background:var(--accent);
  margin-top:12px;flex:none;
}
.form-card{
  background:var(--linen);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-sm);
}
.form-card h3{margin-bottom:6px}
.form-card .form-tip{font-size:13.5px;color:var(--faint);margin-bottom:20px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--faint);margin-bottom:6px;letter-spacing:.01em}
.field input,.field select,.field textarea{
  width:100%;padding:11px 14px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#fff;font-size:15px;color:var(--text);font-family:inherit;line-height:1.6;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{resize:vertical;min-height:96px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--ink);box-shadow:0 0 0 2px rgba(110,127,98,.25);
}
.field input.invalid,.field textarea.invalid{border-color:var(--danger)}
.field .err{display:none;font-size:12.5px;color:var(--danger);margin-top:5px}
.field.has-error .err{display:block}
.form-card .btn{width:100%}
.privacy{
  display:flex;gap:9px;align-items:flex-start;margin-top:16px;
  font-size:12.5px;color:var(--faint);line-height:1.7;
}
.privacy input{margin-top:3px;width:15px;height:15px;accent-color:var(--ink);flex:none}
.form-msg{display:none;margin-top:14px;font-size:13.5px;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px}
.form-msg.show{display:block}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;gap:14px;padding:22px 0;cursor:pointer;
  list-style:none;font-family:var(--font-serif);font-size:17.5px;font-weight:600;
  color:var(--ink);line-height:1.55;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-num{font-family:var(--font-sans);font-size:13px;font-weight:700;color:var(--accent);min-width:26px;flex:none}
.faq-icon{
  margin-left:auto;flex:none;width:20px;height:20px;position:relative;
  transition:transform .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink);border-radius:1px;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-body{padding:0 0 24px 40px;max-width:720px;color:var(--muted);font-size:16px;line-height:1.9}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:#fff;padding:56px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:clamp(21px,2.2vw,28px)}
.cta-inner p{color:rgba(255,255,255,.78);margin:10px 0 0;font-size:15.5px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.76);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand strong{
  font-family:var(--font-serif);font-size:20px;color:#fff;font-weight:700;letter-spacing:.02em;
}
.footer-brand em{font-style:normal;font-size:13px;color:rgba(255,255,255,.6);margin-left:6px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.7)}
.footer-col h4{
  font-family:var(--font-sans);font-size:14px;color:#fff;font-weight:600;
  letter-spacing:.04em;margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);margin-top:48px;padding:22px 0;
  font-size:13px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- 弹层 ---------- */
.modal-mask{
  position:fixed;inset:0;background:rgba(30,64,56,.45);z-index:120;
  display:none;align-items:center;justify-content:center;padding:24px;
}
.modal-mask.open{display:flex}
.modal-box{
  background:#fff;border-radius:16px;width:100%;max-width:520px;padding:32px;
  position:relative;box-shadow:var(--sh-lg);max-height:90vh;overflow:auto;
}
.modal-close{
  position:absolute;top:16px;right:16px;width:34px;height:34px;border:0;border-radius:8px;
  background:var(--linen);cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:background .2s ease;
}
.modal-close:hover{background:#E3DAC9}
.modal-close::before,.modal-close::after{
  content:"";position:absolute;width:14px;height:2px;background:var(--ink);border-radius:1px;
}
.modal-close::before{transform:rotate(45deg)}
.modal-close::after{transform:rotate(-45deg)}
.modal-box h3{margin-bottom:6px}
.modal-box .form-tip{font-size:13.5px;color:var(--faint);margin-bottom:20px}
.modal-box .btn{width:100%}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .chip-nav a{padding:7px 11px;font-size:13.5px}
  .header-inner{gap:16px}
  .hero-grid{grid-template-columns:6fr 5fr;gap:36px}
  .questions{grid-template-columns:1fr;gap:32px}
  .q-list li:nth-child(even){margin-left:0}
}
@media (max-width:991px){
  .chip-nav,.header-right{display:none}
  .nav-toggle{display:flex}
  .header-inner{min-height:66px}
  .hero{padding:52px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual::after{display:none}
  .section{padding:72px 0}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .consult-grid{grid-template-columns:1fr;gap:32px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .solution-wide{grid-template-columns:1fr}
  .solution-wide img{min-height:200px;order:-1}
}
@media (max-width:767px){
  body{font-size:16px}
  .wrap{padding:0 18px}
  .section{padding:56px 0}
  .solution-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .hero-metrics span{padding:0 14px;font-size:12.5px}
  .hero-actions .btn{flex:1 1 auto}
  .faq-body{padding-left:0}
  .faq-item summary{font-size:16px;gap:10px}
}
@media (max-width:575px){
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .stats-grid{grid-template-columns:1fr;gap:24px}
  .stat{border-left:0;padding:0;border-top:1px solid rgba(255,255,255,.16);padding-top:18px}
  .stat:first-child{border-top:0;padding-top:0}
  .footer-grid{grid-template-columns:1fr}
  .hero-chips{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}
  .modal-mask{align-items:flex-end;padding:0}
  .modal-box{max-width:100%;border-radius:16px 16px 0 0;padding:26px 20px 30px}
  .cta-inner{align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .solution-card:hover,.solution-wide:hover,.news-card:hover,.btn-primary:hover{transform:none}
}

/* roulang page: article */
:root{
  --ink:#1E4038;
  --ink-soft:#2A5548;
  --accent:#C2562B;
  --accent-dark:#A8451F;
  --moss:#6E7F62;
  --bg:#F7F4ED;
  --linen:#EFE8DB;
  --card:#FFFFFF;
  --text:#22201D;
  --muted:#5C5852;
  --faint:#8A857C;
  --line:#DED6C7;
  --warn:#B33A3A;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --shadow:0 2px 8px rgba(34,32,29,.06);
  --shadow-hover:0 10px 28px rgba(34,32,29,.10);
  --font-title:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-body:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:var(--accent)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.01em}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (max-width:767px){.wrap{padding:0 18px}}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--ink);
  color:#fff;
  transition:background-color .25s ease,box-shadow .25s ease,color .25s ease;
}
.site-header.is-stuck{background:#fff;color:var(--text);box-shadow:0 1px 0 var(--line)}
.header-inner{display:flex;align-items:center;gap:18px;min-height:74px}
.logo{display:flex;align-items:center;gap:10px;color:inherit;flex:0 0 auto}
.logo:hover{color:inherit}
.logo-mark{
  width:28px;height:28px;border-radius:8px;background:var(--accent);
  position:relative;flex:0 0 auto;display:inline-block;
}
.logo-mark::after{content:"";position:absolute;inset:7px;border:1.5px solid rgba(255,255,255,.9);border-radius:3px}
.logo-text{display:flex;align-items:baseline;gap:6px;white-space:nowrap}
.logo-text strong{font-family:var(--font-title);font-size:20px;font-weight:700;letter-spacing:.02em}
.logo-text em{font-style:normal;font-size:12.5px;font-weight:400;opacity:.76;letter-spacing:.02em}
.chip-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-left:auto}
.chip-nav a{
  display:inline-flex;align-items:center;height:36px;padding:0 14px;
  border-radius:999px;border:1px solid rgba(255,255,255,.26);
  color:rgba(255,255,255,.86);font-size:14px;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.chip-nav a:hover{background:rgba(255,255,255,.14);color:#fff}
.chip-nav a.active{background:#fff;color:var(--ink);border-color:#fff;font-weight:600}
.site-header.is-stuck .chip-nav a{border-color:var(--line);color:var(--muted)}
.site-header.is-stuck .chip-nav a:hover{background:rgba(30,64,56,.08);color:var(--ink)}
.site-header.is-stuck .chip-nav a.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.header-side{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.service-time{font-size:12.5px;color:rgba(255,255,255,.68);white-space:nowrap}
.site-header.is-stuck .service-time{color:var(--faint)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;
  border:1px solid rgba(255,255,255,.3);background:transparent;color:#fff;cursor:pointer;
}
.site-header.is-stuck .nav-toggle{border-color:var(--line);color:var(--ink)}
.nav-toggle:focus-visible{outline:2px dashed var(--accent);outline-offset:3px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1.5px solid transparent;cursor:pointer;text-align:center;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(194,86,43,.24)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:rgba(30,64,56,.08);color:var(--ink)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn:focus-visible{outline:2px dashed var(--accent);outline-offset:3px}

/* ===== 移动抽屉 ===== */
.drawer{position:fixed;inset:0;z-index:90;display:none}
.drawer.open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(30,64,56,.45)}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(330px,86vw);
  background:#fff;padding:20px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s ease;
  box-shadow:-10px 0 34px rgba(30,64,56,.18);
  display:flex;flex-direction:column;gap:18px;
}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between}
.drawer-title{font-family:var(--font-title);font-size:16px;color:var(--ink)}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--muted);font-size:16px;cursor:pointer;
}
.drawer-close:hover{color:var(--accent);border-color:var(--accent)}
.drawer-nav{display:flex;flex-direction:column;gap:8px}
.drawer-nav a{
  display:flex;align-items:center;min-height:44px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);color:var(--muted);font-size:15px;
}
.drawer-nav a:hover{background:var(--linen);color:var(--ink)}
.drawer-nav a.active{background:var(--ink);color:#fff;border-color:var(--ink);font-weight:600}
.drawer-cta{width:100%;margin-top:auto}

/* ===== 文章首屏 ===== */
.article-hero{
  position:relative;overflow:hidden;
  padding:34px 0 46px;
  background:#FBF9F3;
  border-bottom:1px solid var(--line);
}
.article-hero::after{
  content:"";position:absolute;right:-70px;top:-70px;width:230px;height:230px;
  border:1px solid var(--line);border-radius:30px;transform:rotate(14deg);pointer-events:none;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:7px;font-size:13px;color:var(--faint);margin-bottom:24px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--accent)}
.crumb .sep{color:#C9C0AE}
.crumb .current{color:var(--faint);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:16px;font-size:13px;color:var(--muted)}
.cat-chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(110,127,98,.16);color:#4B5A42;font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C9C0AE;display:inline-block}
.article-hero h1{
  font-family:var(--font-title);
  font-size:clamp(26px,3.6vw,40px);
  line-height:1.4;
  letter-spacing:-.01em;
  color:var(--ink);
  max-width:920px;
  margin:0 0 16px;
  word-break:break-word;
  position:relative;z-index:1;
}
.hero-lead{max-width:740px;color:var(--muted);font-size:16px;line-height:1.85;margin:0;position:relative;z-index:1}

/* ===== 正文布局 ===== */
.article-section{padding:52px 0 24px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start}
.entry{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow);
  padding:38px 44px;
  min-width:0;
}
.entry-body{max-width:760px;font-size:17px;line-height:1.9;color:var(--text)}
.entry-body h2{
  font-family:var(--font-title);
  font-size:clamp(21px,2.3vw,27px);
  line-height:1.42;
  color:var(--ink);
  margin:36px 0 14px;
  padding-left:14px;
  border-left:3px solid var(--accent);
}
.entry-body h3{
  font-family:var(--font-title);
  font-size:19px;line-height:1.45;color:var(--ink);
  margin:26px 0 10px;
}
.entry-body h4{font-size:17px;color:var(--ink);margin:20px 0 8px}
.entry-body p{margin:0 0 1.1em}
.entry-body ul,.entry-body ol{margin:0 0 1.2em;padding-left:22px}
.entry-body li{margin-bottom:.5em}
.entry-body ul li::marker{color:var(--accent)}
.entry-body ol li::marker{color:var(--accent);font-weight:700}
.entry-body blockquote{
  margin:26px 0;padding:18px 22px;
  background:var(--linen);
  border-left:3px solid var(--accent);
  border-radius:0 12px 12px 0;
  color:var(--muted);
  font-size:16px;
}
.entry-body blockquote p:last-child{margin-bottom:0}
.entry-body img{margin:24px auto;border-radius:var(--r-img)}
.entry-body a{color:var(--ink);border-bottom:2px solid rgba(194,86,43,.35);transition:color .2s ease,border-color .2s ease}
.entry-body a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.entry-body strong{color:var(--ink)}
.entry-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.entry-body th,.entry-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top}
.entry-body th{background:var(--linen);color:var(--ink);font-weight:600}
.entry-body figure{margin:24px 0}
.entry-body figcaption{text-align:center;font-size:13px;color:var(--faint);margin-top:8px}
.entry-body code{background:var(--linen);padding:2px 6px;border-radius:6px;font-size:.92em;color:var(--ink-soft)}
.entry-body hr{border:0;border-top:1px solid var(--line);margin:30px 0}

/* ===== 侧栏 ===== */
.entry-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px;min-width:0}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);padding:20px;
}
.side-card h2{
  font-family:var(--font-title);font-size:16px;color:var(--ink);
  letter-spacing:.02em;margin:0 0 12px;
}
.side-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.side-list a{
  display:flex;align-items:center;gap:9px;
  min-height:38px;padding:6px 10px;border-radius:9px;
  color:var(--muted);font-size:14px;
}
.side-list a::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--moss);flex:0 0 auto}
.side-list a:hover{background:var(--linen);color:var(--ink)}
.side-cta{background:var(--ink);border-color:var(--ink);color:rgba(255,255,255,.78)}
.side-cta h2{color:#fff}
.side-cta p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.72);margin:0 0 16px}
.side-cta .btn-primary{width:100%}

/* ===== 空态 ===== */
.empty-state{text-align:center;padding:56px 20px;max-width:520px;margin:0 auto}
.empty-mark{
  width:64px;height:64px;margin:0 auto 18px;border-radius:16px;
  border:1px solid var(--line);background:var(--linen);position:relative;
}
.empty-mark::after{content:"";position:absolute;inset:18px;border:2px solid var(--moss);border-radius:6px}
.empty-title{font-family:var(--font-title);font-size:20px;color:var(--ink);margin:0 0 8px}
.empty-tip{color:var(--muted);font-size:14px;margin:0 0 22px}

/* ===== 相关推荐 ===== */
.rel-section{padding:26px 0 66px}
.rel-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:26px}
.rel-head h2{font-family:var(--font-title);font-size:clamp(22px,2.6vw,28px);color:var(--ink);line-height:1.4}
.rel-head p{margin:0;font-size:14px;color:var(--faint)}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);color:var(--text);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.rel-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#CFC5B3;color:var(--text)}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--linen);border-radius:12px 12px 0 0}
.rel-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.rel-tag{
  align-self:flex-start;display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;background:rgba(110,127,98,.16);color:#4B5A42;font-size:12px;font-weight:600;
}
.rel-body h3{font-family:var(--font-title);font-size:17px;line-height:1.45;color:var(--ink)}
.rel-card:hover .rel-body h3{color:var(--accent)}
.rel-body p{font-size:13.5px;line-height:1.8;color:var(--muted);margin:0}
.rel-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:10px;font-size:13px;color:var(--faint)}
.rel-foot .go{color:var(--ink);font-weight:600}
.rel-card:hover .rel-foot .go{color:var(--accent)}

/* ===== CTA ===== */
.cta-band{padding:0 0 78px}
.cta-inner{
  background:var(--linen);
  border:1px solid var(--line);
  border-radius:16px;
  padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
}
.cta-inner h2{font-family:var(--font-title);font-size:clamp(21px,2.4vw,26px);color:var(--ink);line-height:1.42;margin-bottom:8px}
.cta-inner p{margin:0;font-size:14.5px;color:var(--muted);max-width:56ch;line-height:1.85}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:rgba(255,255,255,.82);padding:62px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand strong{font-family:var(--font-title);font-size:20px;color:#fff;letter-spacing:.02em}
.footer-brand em{font-style:normal;font-size:12.5px;color:rgba(255,255,255,.62);margin-left:6px}
.footer-brand p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.66);margin:14px 0 0;max-width:42ch}
.footer-col h4{font-family:var(--font-title);font-size:14px;color:#fff;letter-spacing:.04em;margin:0 0 14px}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.footer-col a,.footer-col li{font-size:13.5px;color:rgba(255,255,255,.66);line-height:1.7}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.14);
  margin-top:44px;padding-top:20px;
  font-size:12.5px;color:rgba(255,255,255,.55);line-height:1.7;
}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .article-layout{gap:32px;grid-template-columns:minmax(0,1fr) 268px}
  .entry{padding:32px 32px}
}
@media (max-width:991px){
  .chip-nav{display:none}
  .header-side{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .article-layout{grid-template-columns:1fr;gap:34px}
  .entry-side{position:static}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .article-section{padding:42px 0 18px}
  .rel-section{padding:20px 0 54px}
  .cta-band{padding:0 0 58px}
  .cta-inner{padding:28px 26px}
}
@media (max-width:767px){
  body{font-size:16px}
  .header-inner{min-height:64px}
  .logo-text strong{font-size:18px}
  .logo-text em{font-size:11.5px}
  .article-hero{padding:24px 0 34px}
  .article-hero::after{display:none}
  .crumb{margin-bottom:18px}
  .entry{padding:24px 20px;border-radius:12px}
  .entry-body{font-size:16px;line-height:1.88}
  .rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:46px 0 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}
@media (max-width:575px){
  .btn{width:100%;padding:0 18px}
  .header-side .btn{width:auto}
  .crumb .current{white-space:normal;max-width:100%}
  .rel-foot{flex-wrap:wrap;gap:6px}
  .side-card{padding:18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --ink:#1E4038;
  --ink-deep:#16302A;
  --ink-soft:#2C5348;
  --clay:#C2562B;
  --clay-deep:#A8451F;
  --moss:#6E7F62;
  --paper:#F7F4ED;
  --linen:#EFE8DB;
  --card:#FFFFFF;
  --text:#22201D;
  --muted:#5C5852;
  --faint:#8A857C;
  --line:#DED6C7;
  --danger:#B33A3A;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(34,32,29,.06);
  --sh-md:0 10px 28px rgba(34,32,29,.10);
  --fs-h1:clamp(28px,3.4vw,40px);
  --fs-h2:clamp(22px,2.4vw,30px);
  --fs-h3:clamp(17px,1.6vw,19px);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --sans:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease,transform .2s ease,box-shadow .2s ease;}
button{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;letter-spacing:-.01em;line-height:1.32;margin:0;color:var(--ink);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{list-style:none;margin:0;padding:0;}
::selection{background:rgba(194,86,43,.22);}
:focus-visible{outline:2px dashed var(--clay);outline-offset:3px;border-radius:4px;}

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

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(34,32,29,.08);}
.header-inner{
  display:flex;align-items:center;gap:22px;
  min-height:78px;padding-top:10px;padding-bottom:10px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:14px;height:14px;border-radius:3px;
  background:var(--clay);
  box-shadow:8px 8px 0 -1px var(--ink);
  margin-right:8px;flex:0 0 auto;
}
.brand-text{display:flex;align-items:baseline;gap:6px;white-space:nowrap;}
.brand-text strong{font-family:var(--serif);font-size:22px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.brand-text em{font-style:normal;font-size:13.5px;font-weight:400;color:var(--moss);letter-spacing:.02em;}

.chip-nav{display:flex;align-items:center;gap:6px;flex:1 1 auto;flex-wrap:nowrap;}
.chip-nav a{
  display:inline-block;padding:8px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:transparent;color:var(--muted);
  font-size:14.5px;line-height:1.4;white-space:nowrap;
}
.chip-nav a:hover{border-color:var(--ink);color:var(--ink);background:rgba(30,64,56,.06);}
.chip-nav a.active{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600;}
.header-aside{display:flex;flex-direction:column;align-items:flex-end;gap:2px;flex:0 0 auto;}
.service-time{font-size:12px;color:var(--faint);letter-spacing:.02em;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-btn);border:1.5px solid transparent;
  font-size:15.5px;font-weight:600;letter-spacing:.02em;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--clay);color:#fff;border-color:var(--clay);box-shadow:var(--sh-sm);}
.btn-primary:hover{background:var(--clay-deep);border-color:var(--clay-deep);transform:translateY(-1px);box-shadow:var(--sh-md);color:#fff;}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-sm);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:rgba(30,64,56,.08);color:var(--ink);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}

.nav-toggle{
  display:none;width:46px;height:46px;padding:0;border:1px solid var(--line);
  background:#fff;border-radius:var(--r-btn);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 22px;}
.mobile-drawer.open{display:block;}
.mobile-nav{display:grid;gap:8px;}
.mobile-nav a{
  display:block;padding:12px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);color:var(--muted);font-size:15px;
}
.mobile-nav a.active{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600;}
.mobile-drawer .btn{margin-top:14px;}

/* ---------- hero ---------- */
.page-hero{padding:44px 0 72px;position:relative;overflow:hidden;}
.page-hero::after{
  content:"";position:absolute;right:-90px;top:40px;width:220px;height:220px;
  border:1px solid var(--line);border-radius:24px;transform:rotate(12deg);
  pointer-events:none;
}
.breadcrumb-line{font-size:13px;color:var(--faint);margin-bottom:22px;letter-spacing:.02em;}
.breadcrumb-line a{color:var(--faint);}
.breadcrumb-line a:hover{color:var(--clay);}
.breadcrumb-line span.sep{margin:0 8px;color:var(--line);}
.breadcrumb-line strong{color:var(--muted);font-weight:500;}

.hero-grid{display:grid;grid-template-columns:1.35fr .88fr;gap:48px;align-items:start;position:relative;z-index:1;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.09em;color:var(--clay);font-weight:600;
  text-transform:uppercase;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--clay);}
.hero-copy h1{font-size:var(--fs-h1);line-height:1.25;margin-bottom:18px;}
.lede{font-size:17.5px;color:var(--muted);line-height:1.9;max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}

.chip-strip{display:flex;flex-wrap:wrap;gap:8px;margin-top:30px;padding-top:24px;border-top:1px solid var(--line);}
.chip{
  display:inline-block;padding:7px 14px;border-radius:var(--r-pill);
  font-size:13.5px;color:var(--ink-soft);background:rgba(110,127,98,.14);
  border:1px solid rgba(110,127,98,.26);white-space:nowrap;
}
.chip:hover{background:var(--ink);color:#fff;border-color:var(--ink);}

.hud-panel{
  background:var(--ink-deep);color:#E9E4D8;border-radius:16px;
  padding:26px 24px;box-shadow:var(--sh-md);
  border:1px solid rgba(255,255,255,.08);
}
.hud-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.hud-title{font-family:var(--serif);font-size:18px;color:#fff;font-weight:600;}
.hud-dot{width:9px;height:9px;border-radius:2px;background:var(--clay);}
.hud-list{display:grid;gap:14px;}
.hud-item{display:flex;gap:12px;align-items:flex-start;padding-bottom:14px;border-bottom:1px dashed rgba(255,255,255,.14);}
.hud-item:last-child{border-bottom:none;padding-bottom:0;}
.hud-num{
  font-size:12px;font-variant-numeric:tabular-nums;color:#E4A182;
  border:1px solid rgba(228,161,130,.4);border-radius:6px;
  padding:1px 7px;flex:0 0 auto;margin-top:3px;letter-spacing:.04em;
}
.hud-item p{margin:0;font-size:14.5px;line-height:1.75;color:#CFD8CB;}
.hud-note{margin-top:18px;padding-top:14px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:#A9B7AB;}

/* ---------- sections ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:var(--fs-h2);margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16.5px;line-height:1.9;}
.section-head .eyebrow{margin-bottom:12px;}

/* filter layout */
.filter-layout{display:grid;grid-template-columns:222px minmax(0,1fr);gap:56px;align-items:start;}
.filter-rail{position:sticky;top:104px;}
.rail-title{font-size:13px;letter-spacing:.08em;color:var(--faint);margin-bottom:14px;text-transform:uppercase;}
.rail-chips{display:flex;flex-direction:column;gap:8px;}
.rail-chip{
  text-align:left;padding:11px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:transparent;color:var(--muted);
  font-size:14.5px;cursor:pointer;transition:all .2s ease;
}
.rail-chip:hover{border-color:var(--ink);color:var(--ink);}
.rail-chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600;}
.rail-note{margin-top:20px;font-size:13px;color:var(--faint);line-height:1.8;}

.group-list{display:grid;gap:10px;}
.group{margin-bottom:26px;}
.group[hidden]{display:none;}
.group-label{
  display:flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.1em;color:var(--moss);
  font-weight:600;margin-bottom:4px;
}
.group-label::after{content:"";flex:1 1 auto;height:1px;background:var(--line);}
.list-row{
  display:flex;align-items:flex-start;justify-content:space-between;gap:28px;
  padding:22px 4px 22px 0;border-top:1px solid var(--line);
}
.group .list-row:last-child{border-bottom:1px solid var(--line);}
.list-row:hover{background:rgba(255,255,255,.7);}
.list-row:hover h3{color:var(--ink-soft);}
.list-row:hover .row-arrow{transform:translateX(5px);color:var(--clay);}
.row-main{flex:1 1 auto;min-width:0;}
.row-main h3{font-size:var(--fs-h3);line-height:1.45;margin-bottom:6px;transition:color .2s ease;}
.row-main p{margin:0;font-size:15px;color:var(--muted);line-height:1.85;max-width:60ch;}
.row-meta{display:flex;align-items:center;gap:14px;flex:0 0 auto;padding-top:4px;}
.row-time{font-size:13px;color:var(--faint);font-variant-numeric:tabular-nums;white-space:nowrap;}
.row-arrow{font-size:18px;color:var(--line);transition:transform .2s ease,color .2s ease;}
.empty-hint{padding:40px 0;text-align:center;color:var(--faint);font-size:15px;display:none;}
.empty-hint.show{display:block;}

/* dark band */
.hud-band{background:var(--ink-deep);color:#E9E4D8;padding:86px 0 0;}
.hud-band h2{color:#fff;font-size:var(--fs-h2);}
.hud-band .section-head p{color:#B9C5B8;}
.hud-band .eyebrow{color:#E4A182;}
.hud-band .eyebrow::before{background:#E4A182;}
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid rgba(255,255,255,.16);}
.step{padding:30px 26px 34px;border-right:1px solid rgba(255,255,255,.12);}
.step:last-child{border-right:none;}
.step-num{
  font-family:var(--serif);font-size:15px;color:#E4A182;
  letter-spacing:.12em;display:block;margin-bottom:12px;font-variant-numeric:tabular-nums;
}
.step h3{color:#fff;font-size:18px;margin-bottom:10px;}
.step p{color:#BCC8BA;font-size:14.5px;line-height:1.85;margin:0;}
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:52px;border-top:1px solid rgba(255,255,255,.16);
  padding:34px 0 44px;
}
.metric{padding:0 24px;border-left:1px solid rgba(255,255,255,.12);}
.metric:first-child{border-left:none;padding-left:0;}
.metric strong{
  display:block;font-family:var(--serif);font-size:32px;color:#fff;
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;line-height:1.2;
}
.metric span{display:block;font-size:13px;color:#9FB3A4;margin-top:6px;}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split-media{
  border-radius:var(--r-img);overflow:hidden;background:var(--linen);
  border:1px solid var(--line);box-shadow:var(--sh-sm);
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.split-copy h2{font-size:var(--fs-h2);margin-bottom:16px;}
.split-copy p{color:var(--muted);line-height:1.9;}
.bullets{display:grid;gap:16px;margin:22px 0 26px;}
.bullets li{
  padding-left:18px;position:relative;font-size:15.5px;color:var(--muted);line-height:1.8;
}
.bullets li::before{
  content:"";position:absolute;left:0;top:11px;width:3px;height:16px;
  background:var(--clay);border-radius:2px;
}
.bullets li strong{color:var(--ink);font-weight:600;}
.text-link{color:var(--ink);font-weight:600;border-bottom:2px solid transparent;padding-bottom:2px;}
.text-link:hover{border-bottom-color:var(--clay);color:var(--clay);}

/* faq */
.faq-list{border-bottom:1px solid var(--line);}
.faq-item{border-top:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:16px;
  padding:22px 0;transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover .faq-q{color:var(--clay);}
.faq-num{
  font-size:13px;color:var(--clay);font-variant-numeric:tabular-nums;
  padding-top:5px;letter-spacing:.06em;flex:0 0 auto;
}
.faq-q{flex:1 1 auto;font-family:var(--serif);font-size:var(--fs-h3);font-weight:600;color:var(--ink);transition:color .2s ease;}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;margin-top:4px;
  transition:transform .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--moss);border-radius:2px;
}
.faq-icon::before{left:0;top:10px;width:22px;height:2px;}
.faq-icon::after{left:10px;top:0;width:2px;height:22px;}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-item[open] .faq-icon::before,.faq-item[open] .faq-icon::after{background:var(--clay);}
.faq-a{padding:0 0 26px 38px;max-width:720px;color:var(--muted);font-size:15.5px;line-height:1.9;}

/* cta */
.cta-band{background:var(--ink);color:#E9E4D8;border-radius:var(--r-card);padding:52px 48px;}
.cta-band h2{color:#fff;font-size:var(--fs-h2);margin-bottom:14px;}
.cta-band p{color:#C2CEBF;font-size:16px;max-width:60ch;line-height:1.9;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-band .btn-primary{box-shadow:none;}

/* footer */
.site-footer{background:var(--ink);color:#EDE8DD;padding:66px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:38px;}
.footer-brand strong{font-family:var(--serif);font-size:22px;color:#fff;}
.footer-brand em{font-style:normal;font-size:14px;color:#BCC8BA;margin-left:6px;}
.footer-brand p{color:#B4C1B3;font-size:14.5px;line-height:1.9;margin:14px 0 0;max-width:34em;}
.footer-col h4{
  font-size:13px;letter-spacing:.1em;color:#9FB3A4;margin:0 0 16px;
  font-weight:600;text-transform:uppercase;font-family:var(--sans);
}
.footer-col ul{display:grid;gap:10px;font-size:14.5px;color:#C6D1C4;}
.footer-col a:hover{color:var(--clay);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.16);margin-top:46px;padding-top:22px;
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:#9FB3A4;line-height:1.8;
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero-grid{grid-template-columns:1.2fr .9fr;gap:36px;}
  .filter-layout{gap:40px;grid-template-columns:200px minmax(0,1fr);}
}
@media (max-width:991px){
  .chip-nav{display:none;}
  .header-aside{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .header-inner{min-height:70px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .page-hero{padding:32px 0 56px;}
  .page-hero::after{display:none;}
  .section{padding:72px 0;}
  .filter-layout{grid-template-columns:1fr;}
  .filter-rail{position:static;top:auto;}
  .rail-chips{flex-direction:row;overflow-x:auto;padding-bottom:6px;gap:8px;}
  .rail-chip{white-space:nowrap;padding:9px 16px;}
  .rail-note{margin-top:12px;}
  .step-grid{grid-template-columns:1fr;}
  .step{border-right:none;border-bottom:1px solid rgba(255,255,255,.12);padding:26px 0 28px;}
  .step:last-child{border-bottom:none;}
  .metrics{grid-template-columns:repeat(2,1fr);gap:26px 0;padding:30px 0 40px;}
  .metric:nth-child(odd){border-left:none;padding-left:0;}
  .split{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:40px 32px;}
}
@media (max-width:767px){
  .wrap{padding:0 18px;}
  body{font-size:16px;}
  h1{font-size:28px;}
  .brand-text strong{font-size:19px;}
  .brand-text em{font-size:12px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .hud-panel{padding:22px 18px;}
  .list-row{gap:16px;padding:20px 0;}
  .row-main p{font-size:14.5px;}
  .row-meta{gap:10px;}
  .faq-a{padding-left:0;padding-top:0;}
  .cta-band{padding:34px 22px;}
  .cta-inner{gap:24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:10px;}
}
@media (max-width:575px){
  .hero-actions .btn{width:100%;}
  .chip-strip{flex-wrap:nowrap;overflow-x:auto;padding-bottom:8px;}
  .metrics{grid-template-columns:1fr;}
  .metric{border-left:none;padding-left:0;border-top:1px solid rgba(255,255,255,.12);padding-top:18px;}
  .metric:first-child{border-top:none;padding-top:0;}
  .mobile-drawer .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .btn-primary:hover{transform:none;}
  .list-row:hover .row-arrow{transform:none;}
}

/* roulang page: category2 */
:root{
  --ink:#1E4038;
  --ink-deep:#152F29;
  --accent:#C2562B;
  --accent-deep:#A8451F;
  --moss:#6E7F62;
  --bg:#F7F4ED;
  --linen:#EFE8DB;
  --card:#FFFFFF;
  --text:#22201D;
  --muted:#5C5852;
  --faint:#8A857C;
  --line:#DED6C7;
  --warn:#B33A3A;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-1:0 2px 8px rgba(34,32,29,.06);
  --shadow-2:0 10px 28px rgba(34,32,29,.10);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --sans:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:var(--sans);font-size:17px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--accent);}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;letter-spacing:-.01em;color:var(--ink);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:900;
  background:var(--bg);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.scrolled{background:#FFFFFF;border-bottom-color:var(--line);box-shadow:0 1px 0 rgba(34,32,29,.03);}
.header-inner{display:flex;align-items:center;gap:20px;min-height:76px;padding-top:10px;padding-bottom:10px;}
.brand{display:flex;align-items:baseline;gap:4px;flex:none;line-height:1.2;}
.brand strong{font-family:var(--serif);font-size:22px;font-weight:700;color:var(--ink);letter-spacing:.02em;}
.brand em{font-style:normal;font-size:13px;font-weight:400;color:var(--moss);letter-spacing:.02em;}
.brand-mark{width:10px;height:10px;background:var(--accent);border-radius:2px;display:inline-block;margin-right:8px;transform:translateY(-2px);}
.chip-nav{
  flex:1;display:flex;align-items:center;justify-content:center;gap:8px;
  overflow-x:auto;scrollbar-width:none;padding:4px 2px;
}
.chip-nav::-webkit-scrollbar{display:none;}
.chip-nav a{
  flex:none;display:inline-block;padding:8px 15px;border-radius:999px;
  font-size:14px;color:var(--muted);border:1px solid var(--line);background:transparent;
  white-space:nowrap;line-height:1.4;transition:all .2s ease;
}
.chip-nav a:hover{color:var(--ink);border-color:var(--moss);background:rgba(110,127,98,.10);}
.chip-nav a:focus-visible{outline:2px dashed var(--accent);outline-offset:3px;}
.chip-nav a.active{background:var(--ink);border-color:var(--ink);color:#FFFFFF;font-weight:600;}
.chip-nav a.active:hover{background:var(--ink-deep);border-color:var(--ink-deep);color:#FFFFFF;}
.header-side{display:flex;align-items:center;gap:14px;flex:none;}
.header-note{font-size:12px;color:var(--faint);line-height:1.5;text-align:right;}
.header-note strong{display:block;color:var(--muted);font-weight:600;font-size:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-btn);font-weight:600;font-size:15px;
  letter-spacing:.02em;line-height:1.4;border:1.5px solid transparent;
  transition:all .22s ease;min-height:44px;text-align:center;
}
.btn-primary{background:var(--accent);color:#FFFFFF;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--accent-deep);color:#FFFFFF;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:none;box-shadow:var(--shadow-1);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:rgba(30,64,56,.08);color:var(--ink);}
.btn-sm{padding:9px 20px;font-size:14px;min-height:40px;}
.btn:focus-visible{outline:2px dashed var(--accent);outline-offset:3px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#FFFFFF;align-items:center;justify-content:center;flex:none;
}
.nav-toggle svg{width:22px;height:22px;stroke:var(--ink);stroke-width:2;stroke-linecap:round;}
.nav-toggle.active{background:var(--linen);border-color:var(--moss);}
.mobile-drawer{
  position:fixed;left:0;right:0;top:0;z-index:950;
  background:#FFFFFF;border-bottom:1px solid var(--line);
  box-shadow:0 18px 40px rgba(34,32,29,.14);
  transform:translateY(-105%);transition:transform .3s ease;
  padding:78px 20px 24px;max-height:92vh;overflow-y:auto;
}
.mobile-drawer.open{transform:translateY(0);}
.mobile-drawer a.drawer-link{
  display:block;padding:13px 18px;border-radius:999px;border:1px solid var(--line);
  color:var(--muted);font-size:15px;margin-bottom:10px;background:#FFFFFF;
}
.mobile-drawer a.drawer-link.active{background:var(--ink);border-color:var(--ink);color:#FFFFFF;font-weight:600;}
.mobile-drawer .btn{width:100%;margin-top:6px;}
.drawer-close{
  position:absolute;top:16px;right:18px;width:40px;height:40px;border:none;background:transparent;
  display:flex;align-items:center;justify-content:center;
}
.drawer-close svg{width:20px;height:20px;stroke:var(--ink);stroke-width:2;stroke-linecap:round;}

/* ---------- Hero ---------- */
.page-hero{padding:44px 0 56px;background:var(--bg);}
.hero-panel{
  position:relative;background:var(--linen);border:1px solid var(--line);
  border-radius:var(--r-card);padding:44px 46px;overflow:hidden;
  background-image:linear-gradient(115deg,rgba(247,244,237,.96) 0%,rgba(247,244,237,.86) 58%,rgba(239,232,219,.55) 100%),
    url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center right;
}
.hero-panel::after{
  content:"";position:absolute;right:-40px;bottom:-40px;width:150px;height:150px;
  border:2px solid rgba(194,86,43,.22);border-radius:18px;transform:rotate(12deg);pointer-events:none;
}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.08em;color:var(--accent);
  font-weight:600;margin-bottom:14px;text-transform:none;
}
.hero-panel h1{
  font-size:clamp(28px,3.4vw,40px);line-height:1.25;margin-bottom:18px;max-width:13em;
}
.hero-panel h1 span{display:block;font-size:.68em;color:var(--moss);margin-top:8px;letter-spacing:.02em;}
.lead{font-size:17px;line-height:1.85;color:var(--muted);max-width:60ch;margin-bottom:24px;}
.chip-strip{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;
  font-size:13px;line-height:1.5;background:rgba(110,127,98,.14);color:#43503B;
  border:1px solid rgba(110,127,98,.26);
}
.chip.solid{background:var(--ink);color:#FFFFFF;border-color:var(--ink);}

/* ---------- Section base ---------- */
.section{padding:76px 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;line-height:1.85;margin:0;}
.divider-line{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- Matrix ---------- */
.matrix{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start;}
.matrix-col{display:grid;gap:24px;}
.matrix-col.offset{margin-top:46px;}
.m-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 28px;box-shadow:var(--shadow-1);transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.m-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:#CFC5B2;}
.m-card h3{font-size:19px;line-height:1.45;margin:10px 0 10px;}
.m-card p{font-size:15.5px;line-height:1.85;color:var(--muted);margin:0 0 14px;}
.tag{
  display:inline-block;font-size:12.5px;letter-spacing:.04em;color:var(--moss);
  background:rgba(110,127,98,.12);border-radius:999px;padding:4px 12px;font-weight:600;
}
.text-link{
  display:inline-block;font-size:14.5px;font-weight:600;color:var(--ink);
  border-bottom:2px solid transparent;padding-bottom:2px;
}
.text-link:hover{color:var(--ink);border-bottom-color:var(--accent);}
.mini-list{margin:0 0 16px;display:grid;gap:8px;}
.mini-list li{
  position:relative;padding-left:18px;font-size:14.5px;color:var(--muted);line-height:1.75;
}
.mini-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--accent);opacity:.85;
}
.card-feature{
  grid-column:1 / -1;display:grid;grid-template-columns:1.05fr 1fr;gap:0;
  padding:0;overflow:hidden;background:var(--card);
}
.card-feature .card-media{position:relative;min-height:280px;background:var(--linen);overflow:hidden;}
.card-feature .card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.card-feature .card-body{padding:32px 34px;display:flex;flex-direction:column;justify-content:center;}
.card-feature h3{font-size:22px;line-height:1.4;margin:12px 0 12px;}
.card-feature p{font-size:16px;color:var(--muted);line-height:1.85;}
.img-fallback{background:var(--linen);}

/* ---------- Steps ---------- */
.steps-band{background:var(--ink);color:#FFFFFF;}
.steps-band .section-head h2{color:#FFFFFF;}
.steps-band .section-head p{color:rgba(255,255,255,.74);}
.steps-band .eyebrow{color:#E8A87C;}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.step{
  border-top:2px solid rgba(194,86,43,.9);padding-top:20px;position:relative;
}
.step .num{
  font-family:var(--serif);font-size:28px;color:#E8A87C;line-height:1;display:block;margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;color:#FFFFFF;margin-bottom:10px;line-height:1.45;}
.step p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.76);margin:0;}

/* ---------- Checklist ---------- */
.check-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:start;}
.check-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:8px 28px;box-shadow:var(--shadow-1);}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;padding:18px 0;border-bottom:1px solid var(--line);
  font-size:16px;line-height:1.75;color:var(--text);
}
.check-list li:last-child{border-bottom:0;}
.check-list .box{
  flex:none;width:20px;height:20px;border:1.5px solid var(--moss);border-radius:6px;
  margin-top:5px;position:relative;background:rgba(110,127,98,.08);
}
.check-list .box::after{
  content:"";position:absolute;left:5px;top:2px;width:6px;height:11px;
  border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);
  transform:rotate(40deg);
}
.metric-panel{background:var(--linen);border-radius:var(--r-card);padding:26px 28px;border:1px solid var(--line);}
.metric-panel h3{font-size:17px;margin-bottom:16px;line-height:1.5;}
.metric{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px solid rgba(222,214,199,.9);}
.metric:last-of-type{border-bottom:0;}
.metric span{font-size:14.5px;color:var(--muted);}
.metric strong{font-family:var(--serif);font-size:22px;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:.01em;}
.metric-panel p{font-size:13.5px;color:var(--faint);line-height:1.8;margin-top:14px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-of-type{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:center;gap:16px;padding:22px 4px;cursor:pointer;list-style:none;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover .faq-q{color:var(--accent);}
.faq-num{flex:none;font-family:var(--serif);font-size:14px;color:var(--accent);letter-spacing:.04em;min-width:26px;}
.faq-q{flex:1;font-family:var(--serif);font-size:19px;font-weight:600;line-height:1.5;color:var(--ink);margin:0;}
.faq-icon{
  flex:none;width:26px;height:26px;border:1px solid var(--line);border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--moss);
  transition:transform .25s ease,color .25s ease,border-color .25s ease;line-height:1;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);color:var(--accent);border-color:var(--accent);}
.faq-a{padding:0 4px 24px 42px;max-width:720px;font-size:15.5px;line-height:1.9;color:var(--muted);}
.faq-a p{margin:0;}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 88px;}
.cta-box{
  background:var(--accent);color:#FFFFFF;border-radius:var(--r-card);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-2);
  background-image:linear-gradient(100deg,rgba(194,86,43,.96),rgba(168,69,31,.96));
}
.cta-box h2{color:#FFFFFF;font-size:clamp(20px,2.2vw,28px);line-height:1.4;margin-bottom:10px;}
.cta-box p{color:rgba(255,255,255,.88);font-size:15.5px;margin:0;max-width:56ch;}
.cta-box .btn{background:#FFFFFF;color:var(--accent-deep);flex:none;box-shadow:0 6px 18px rgba(0,0,0,.14);}
.cta-box .btn:hover{background:#F7F4ED;color:var(--accent-deep);transform:translateY(-1px);}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.82);padding:64px 0 28px;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:40px;}
.footer-brand strong{font-family:var(--serif);font-size:21px;font-weight:700;color:#FFFFFF;letter-spacing:.02em;}
.footer-brand em{font-style:normal;font-size:13px;color:#C8CBBF;margin-left:4px;}
.footer-brand p{margin:16px 0 0;font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);max-width:42ch;}
.footer-col h4{font-size:15px;color:#FFFFFF;margin-bottom:16px;font-family:var(--serif);letter-spacing:.02em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col li{font-size:14px;line-height:1.7;color:rgba(255,255,255,.68);}
.footer-col a{color:rgba(255,255,255,.78);font-size:14px;transition:color .2s ease;}
.footer-col a:hover{color:#E8A87C;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.16);padding-top:22px;
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.58);line-height:1.8;
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .header-inner{gap:14px;}
  .chip-nav a{padding:7px 12px;font-size:13.5px;}
  .matrix{gap:20px;}
}
@media (max-width:991px){
  .chip-nav,.header-note{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{justify-content:space-between;}
  .header-side{margin-left:auto;}
  .hero-panel{padding:34px 28px;}
  .section{padding:64px 0;}
  .matrix{grid-template-columns:1fr;}
  .matrix-col.offset{margin-top:0;}
  .card-feature{grid-template-columns:1fr;}
  .card-feature .card-media{min-height:220px;}
  .card-feature .card-body{padding:26px 26px 30px;}
  .steps{grid-template-columns:1fr 1fr;gap:26px;}
  .check-grid{grid-template-columns:1fr;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-box{flex-direction:column;align-items:flex-start;padding:34px 30px;}
  .cta-box .btn{width:100%;}
}
@media (max-width:575px){
  body{font-size:16px;}
  .wrap{padding:0 18px;}
  .header-inner{min-height:66px;}
  .brand strong{font-size:19px;}
  .brand em{font-size:11.5px;}
  .header-side .btn-sm{padding:9px 14px;font-size:13px;}
  .page-hero{padding:26px 0 36px;}
  .hero-panel{padding:26px 20px;border-radius:12px;}
  .hero-panel h1{font-size:26px;}
  .lead{font-size:15.5px;}
  .chip-strip{gap:8px;flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;}
  .chip{flex:none;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:26px;}
  .m-card{padding:22px 20px;}
  .card-feature h3{font-size:19px;}
  .card-feature .card-body{padding:22px 20px 26px;}
  .steps{grid-template-columns:1fr;}
  .check-list{padding:4px 20px;}
  .check-list li{font-size:15px;}
  .metric-panel{padding:22px 20px;}
  .faq-item summary{padding:18px 2px;gap:10px;}
  .faq-q{font-size:16.5px;}
  .faq-a{padding-left:2px;font-size:15px;}
  .cta-band{padding-bottom:60px;}
  .cta-box{padding:28px 22px;}
  .cta-box .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:30px;}
  .site-footer{padding:44px 0 22px;}
  .footer-bottom{flex-direction:column;gap:10px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .m-card:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --ink:#1E4038;
  --ink-soft:#2A5750;
  --clay:#C2562B;
  --clay-dark:#A8451F;
  --clay-light:#E2916F;
  --moss:#6E7F62;
  --bg:#F7F4ED;
  --linen:#EFE8DB;
  --card:#FFFFFF;
  --text:#22201D;
  --text2:#5C5852;
  --text3:#8A857C;
  --line:#DED6C7;
  --danger:#B33A3A;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh:0 2px 8px rgba(34,32,29,.06);
  --sh-lg:0 10px 28px rgba(34,32,29,.10);
  --wrap:1200px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:700;
  letter-spacing:-0.01em;
  color:var(--ink);
  margin:0;
}
h1{font-size:clamp(28px,4vw,40px);line-height:1.25;}
h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;}
h3{font-size:19px;line-height:1.45;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--clay);}
img{max-width:100%;display:block;}
button{font-family:inherit;}
:focus-visible{outline:2px dashed var(--clay);outline-offset:3px;}
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 24px;
}
.section{
  padding:88px 0;
}
.section-tight{padding:64px 0;}
.section-head{
  max-width:760px;
  margin-bottom:44px;
}
.section-head p{
  color:var(--text2);
  margin-top:14px;
  margin-bottom:0;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--clay);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:18px;
  height:2px;
  background:var(--clay);
  display:block;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:var(--sh);}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:76px;
  padding:12px 0;
}
.brand{
  display:flex;
  align-items:baseline;
  gap:6px;
  flex-shrink:0;
  text-decoration:none;
}
.brand-mark{
  width:10px;
  height:10px;
  border-radius:3px;
  background:var(--clay);
  display:inline-block;
  margin-right:8px;
  transform:translateY(-2px);
}
.brand-main{
  font-family:var(--serif);
  font-size:21px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:.01em;
}
.brand-sub{
  font-size:12.5px;
  color:var(--text2);
  letter-spacing:.06em;
}
.chip-nav{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1;
  overflow-x:auto;
  scrollbar-width:none;
}
.chip-nav::-webkit-scrollbar{display:none;}
.chip-nav a{
  flex-shrink:0;
  padding:8px 15px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  font-size:14px;
  color:var(--text2);
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.chip-nav a:hover{
  background:rgba(30,64,56,.07);
  color:var(--ink);
  border-color:rgba(30,64,56,.2);
}
.chip-nav a.active{
  background:var(--ink);
  border-color:var(--ink);
  color:#fff;
}
.header-aside{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:2px;
  flex-shrink:0;
}
.header-aside .note{
  font-size:12px;
  color:var(--text3);
  line-height:1.4;
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:20px;
  height:2px;
  background:var(--ink);
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:20px;
  height:2px;
  background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:16px 0 24px;
}
.drawer.open{display:block;}
.drawer ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.drawer a{
  display:block;
  padding:12px 16px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--text2);
}
.drawer a.active{
  background:var(--ink);
  border-color:var(--ink);
  color:#fff;
}
.drawer .drawer-cta{
  margin-top:14px;
  display:block;
  text-align:center;
  background:var(--clay);
  border-color:var(--clay);
  color:#fff;
  font-weight:600;
}

/* ---------- buttons ---------- */
.btn-main,.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:12px 26px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  cursor:pointer;
  transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-main{
  background:var(--clay);
  color:#fff;
  border:1px solid var(--clay);
}
.btn-main:hover{
  background:var(--clay-dark);
  border-color:var(--clay-dark);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--sh-lg);
}
.btn-main:active{transform:none;box-shadow:none;}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border:1.5px solid var(--ink);
}
.btn-ghost:hover{
  background:rgba(30,64,56,.08);
  color:var(--ink);
  transform:translateY(-1px);
}
.btn-ghost:active{transform:none;}
.link-more{
  display:inline-block;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  border-bottom:2px solid transparent;
  padding-bottom:2px;
  transition:border-color .2s ease,color .2s ease;
}
.link-more:hover{
  color:var(--ink);
  border-bottom-color:var(--clay);
}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--linen);
  border-bottom:1px solid var(--line);
  padding:76px 0 56px;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  opacity:.16;
}
.page-hero .wrap{position:relative;z-index:1;}
.page-hero h1{max-width:900px;margin-top:10px;}
.hero-lead{
  max-width:720px;
  margin-top:20px;
  color:var(--text2);
  font-size:17px;
}
.hero-chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:28px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 14px;
  border-radius:var(--r-pill);
  background:rgba(110,127,98,.14);
  color:var(--moss);
  font-size:13.5px;
  border:1px solid rgba(110,127,98,.22);
}
.crumbs{
  font-size:13px;
  color:var(--text3);
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  align-items:center;
}
.crumbs a{color:var(--text3);}
.crumbs a:hover{color:var(--clay);}
.crumbs span.sep{color:#C7BFB0;}

/* ---------- timeline ---------- */
.timeline{
  position:relative;
  padding-left:6px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:26px;
  top:14px;
  bottom:14px;
  width:2px;
  background:linear-gradient(180deg,var(--clay) 0%,rgba(194,86,43,.35) 55%,var(--line) 100%);
}
.tl-item{
  position:relative;
  padding-left:82px;
  margin-bottom:40px;
}
.tl-item:last-child{margin-bottom:0;}
.tl-num{
  position:absolute;
  left:0;
  top:0;
  width:54px;
  height:54px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--clay);
  color:var(--clay);
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--serif);
  font-size:20px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.tl-item h3{margin-bottom:8px;}
.tl-item p{color:var(--text2);margin-bottom:12px;max-width:760px;}
.tl-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 11px;
  border-radius:var(--r-pill);
  background:var(--linen);
  color:var(--moss);
  font-size:13px;
  line-height:1.6;
}
.tag.warn{
  background:rgba(179,58,58,.09);
  color:var(--danger);
}

/* ---------- spec panel ---------- */
.spec-panel{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  color:#EDE9DF;
  border-radius:var(--r-card);
  padding:38px 36px;
}
.spec-panel::before{
  content:"";
  position:absolute;
  inset:0;
  background:url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
  opacity:.12;
}
.spec-panel > *{position:relative;z-index:1;}
.spec-panel h2,.spec-panel h3{color:#fff;}
.spec-panel .spec-lead{
  color:rgba(255,255,255,.74);
  font-size:15px;
  max-width:640px;
  margin-top:12px;
}
.spec-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
  margin-top:34px;
}
.spec-item{
  border-left:2px solid rgba(255,255,255,.16);
  padding-left:18px;
}
.spec-item .label{
  font-size:13px;
  color:rgba(255,255,255,.6);
  letter-spacing:.06em;
  display:block;
  margin-bottom:8px;
}
.spec-item .value{
  font-family:var(--serif);
  font-size:22px;
  font-weight:700;
  color:#fff;
  font-variant-numeric:tabular-nums;
  line-height:1.35;
}
.spec-item .value em{
  font-style:normal;
  color:var(--clay-light);
}
.spec-item .sub{
  display:block;
  margin-top:8px;
  font-size:13px;
  color:rgba(255,255,255,.62);
  line-height:1.7;
}

/* ---------- check section ---------- */
.check-grid{
  display:grid;
  grid-template-columns:5fr 6fr;
  gap:52px;
  align-items:center;
}
.figure{
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--linen);
  box-shadow:var(--sh);
}
.figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.check-list{
  list-style:none;
  padding:0;
  margin:26px 0 0;
}
.check-list li{
  position:relative;
  padding-left:30px;
  margin-bottom:18px;
  color:var(--text2);
}
.check-list li:last-child{margin-bottom:0;}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:12px;
  height:12px;
  border-radius:3px;
  border:2px solid var(--clay);
  background:rgba(194,86,43,.12);
}
.check-list strong{
  display:block;
  color:var(--ink);
  font-weight:600;
  margin-bottom:2px;
}

/* ---------- faq ---------- */
.faq{
  max-width:840px;
}
.faq details{
  border-top:1px solid var(--line);
  padding:22px 0;
}
.faq details:last-of-type{
  border-bottom:1px solid var(--line);
}
.faq summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:flex-start;
  gap:16px;
  position:relative;
  padding-right:36px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary h3{
  font-size:18px;
  font-weight:600;
  margin:0;
  line-height:1.55;
}
.faq .faq-num{
  font-size:13px;
  color:var(--clay);
  font-weight:700;
  font-variant-numeric:tabular-nums;
  line-height:2.1;
  flex-shrink:0;
}
.faq summary::after{
  content:"+";
  position:absolute;
  right:0;
  top:-2px;
  font-size:22px;
  line-height:1.2;
  color:var(--moss);
  transition:transform .25s ease,color .2s ease;
}
.faq details[open] summary::after{
  transform:rotate(45deg);
  color:var(--clay);
}
.faq .faq-body{
  padding:14px 0 0 32px;
  max-width:720px;
  color:var(--text2);
  font-size:16px;
}

/* ---------- cta ---------- */
.cta-band{
  background:var(--linen);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  padding:56px 0;
  flex-wrap:wrap;
}
.cta-inner h2{margin-bottom:10px;}
.cta-inner p{
  color:var(--text2);
  margin:0;
  max-width:620px;
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);
  color:#EDE9DF;
  padding-top:64px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand strong{
  font-family:var(--serif);
  font-size:20px;
  color:#fff;
  letter-spacing:.01em;
}
.footer-brand em{
  font-style:normal;
  font-size:13px;
  color:rgba(255,255,255,.66);
  margin-left:6px;
}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.72);
  max-width:340px;
}
.footer-col h4{
  font-family:var(--sans);
  font-size:14px;
  font-weight:600;
  letter-spacing:.06em;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{
  list-style:none;
  margin:0;
  padding:0;
}
.footer-col li{
  font-size:14px;
  color:rgba(255,255,255,.7);
  margin-bottom:11px;
  line-height:1.7;
}
.footer-col a{
  color:rgba(255,255,255,.78);
}
.footer-col a:hover{
  color:var(--clay-light);
}
.footer-bottom{
  margin-top:52px;
  border-top:1px solid rgba(255,255,255,.16);
  padding:22px 0 30px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.6);
}
.footer-bottom span{line-height:1.7;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .wrap{padding:0 22px;}
  .chip-nav a{padding:7px 13px;font-size:13.5px;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .chip-nav{display:none;}
  .header-aside{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .check-grid{grid-template-columns:1fr;gap:32px;}
  .spec-grid{grid-template-columns:repeat(2,1fr);gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .page-hero{padding:56px 0 44px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .header-inner{min-height:66px;gap:12px;}
  .brand-main{font-size:19px;}
  .brand-sub{font-size:11.5px;}
  .page-hero h1{font-size:28px;}
  .hero-lead{font-size:16px;}
  .tl-item{padding-left:66px;}
  .tl-num{width:44px;height:44px;font-size:17px;}
  .timeline::before{left:21px;}
  .spec-panel{padding:28px 22px;}
  .cta-inner{padding:44px 0;}
  .faq .faq-body{padding-left:0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-brand p{max-width:none;}
}
@media (max-width:575px){
  .wrap{padding:0 18px;}
  .btn-main,.btn-ghost{width:100%;}
  .cta-inner .btn-main{width:100%;}
  .hero-chips{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;}
  .hero-chips .chip{flex-shrink:0;}
  .spec-grid{grid-template-columns:1fr;}
  .faq summary h3{font-size:16.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category5 */
:root{
  --ink-green:#1E4038;
  --ink-green-soft:#2A5348;
  --brick:#C2562B;
  --brick-deep:#A8451F;
  --moss:#6E7F62;
  --paper:#F7F4ED;
  --linen:#EFE8DB;
  --card:#FFFFFF;
  --text:#22201D;
  --muted:#5C5852;
  --faint:#8A857C;
  --line:#DED6C7;
  --alert:#B33A3A;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-modal:16px;
  --sd-1:0 2px 8px rgba(34,32,29,.06);
  --sd-2:0 10px 28px rgba(34,32,29,.10);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --wrap:1200px;
}
*{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:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--brick);}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink-green);letter-spacing:-.01em;margin:0;font-weight:700;}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,textarea{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px dashed var(--brick);outline-offset:3px;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-stuck{background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 10px rgba(34,32,29,.05);}
.head-inner{display:flex;align-items:center;gap:20px;padding:14px 0;min-height:76px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:26px;height:26px;border-radius:6px;
  background:var(--brick);
  position:relative;flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;inset:6px;border:2px solid #fff;border-radius:2px;
}
.brand-text{display:flex;align-items:baseline;gap:6px;line-height:1.1;}
.brand-text strong{font-family:var(--serif);font-size:22px;color:var(--ink-green);letter-spacing:.02em;}
.brand-text em{font-style:normal;font-size:13px;color:var(--muted);font-weight:400;letter-spacing:.02em;}
.chip-nav{
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;justify-content:center;
  flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;
}
.chip-nav::-webkit-scrollbar{display:none;}
.chip-nav a{
  display:inline-block;white-space:nowrap;
  padding:8px 15px;border-radius:999px;
  font-size:14px;color:var(--muted);
  border:1px solid var(--line);background:transparent;
  transition:all .22s ease;
}
.chip-nav a:hover{color:var(--ink-green);border-color:var(--moss);background:rgba(110,127,98,.08);}
.chip-nav a.active{background:var(--ink-green);border-color:var(--ink-green);color:#fff;font-weight:600;}
.head-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.head-note{font-size:12px;color:var(--faint);line-height:1.4;text-align:right;}
.head-note b{display:block;color:var(--muted);font-weight:600;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);
  padding:12px 26px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1.5px solid transparent;
  transition:transform .22s ease,background-color .22s ease,box-shadow .22s ease,color .22s ease,border-color .22s ease;
  text-align:center;
}
.btn-primary{background:var(--brick);color:#fff;box-shadow:var(--sd-1);}
.btn-primary:hover{background:var(--brick-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sd-2);}
.btn-primary:active{transform:none;box-shadow:var(--sd-1);}
.btn-ghost{background:transparent;color:var(--ink-green);border-color:var(--ink-green);}
.btn-ghost:hover{background:rgba(30,64,56,.08);color:var(--ink-green);}
.btn-sm{padding:9px 18px;font-size:14px;}
.burger{
  display:none;width:44px;height:44px;border-radius:10px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;
}
.burger svg{display:block;}
.nav-drawer{
  display:none;
  position:fixed;left:0;right:0;top:0;
  padding:88px 20px 28px;
  background:var(--paper);
  z-index:999;
  height:100%;
  overflow-y:auto;
  border-bottom:1px solid var(--line);
}
.nav-drawer.open{display:block;}
.nav-drawer .drawer-title{font-size:13px;color:var(--faint);margin-bottom:14px;letter-spacing:.08em;}
.nav-drawer a.drawer-link{
  display:block;padding:14px 18px;margin-bottom:10px;
  border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--muted);font-size:15px;
  min-height:44px;line-height:1.6;
}
.nav-drawer a.drawer-link.active{background:var(--ink-green);color:#fff;border-color:var(--ink-green);font-weight:600;}
.nav-drawer .drawer-cta{display:block;width:100%;margin-top:18px;}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:18px 0 0;}
.crumb{font-size:13px;color:var(--faint);display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.crumb a{color:var(--faint);}
.crumb a:hover{color:var(--brick);}
.crumb .sep{color:var(--line);}
.crumb .now{color:var(--muted);}

/* ---------- hero ---------- */
.page-hero{padding:34px 0 8px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--brick);
  background:rgba(194,86,43,.09);
  border:1px solid rgba(194,86,43,.22);
  border-radius:999px;padding:5px 14px;margin-bottom:16px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--brick);display:inline-block;}
.page-hero h1{
  font-size:clamp(28px,4vw,40px);
  line-height:1.28;
  max-width:820px;
  margin-bottom:18px;
}
.page-hero .lead{font-size:17px;color:var(--muted);max-width:760px;line-height:1.9;margin-bottom:24px;}
.chip-strip{display:flex;flex-wrap:wrap;gap:10px;padding-bottom:6px;}
.chip-strip .chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;padding:7px 15px;border-radius:999px;
  background:rgba(110,127,98,.12);
  color:#4C5B42;border:1px solid rgba(110,127,98,.28);
}
.chip-strip .chip b{font-weight:600;color:var(--ink-green);}
.hero-rule{height:1px;background:var(--line);margin:32px 0 0;}

/* ---------- section base ---------- */
.section{padding:72px 0;}
.section-tight{padding:56px 0;}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head h2{font-size:clamp(22px,3vw,30px);line-height:1.35;margin-bottom:14px;}
.sec-head p{color:var(--muted);margin:0;}
.sec-kicker{
  font-size:13px;letter-spacing:.14em;color:var(--moss);
  font-weight:600;margin-bottom:10px;text-transform:uppercase;
}

/* ---------- alternating rows ---------- */
.alt-list{display:flex;flex-direction:column;gap:56px;}
.alt-row{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:44px;align-items:center;
}
.alt-row.reverse .alt-media{order:2;}
.alt-row.reverse .alt-body{order:1;}
.alt-media{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sd-1);background:var(--linen);}
.alt-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.alt-media .num-tag{
  position:absolute;left:14px;top:14px;
  background:rgba(30,64,56,.92);color:#fff;
  font-family:var(--serif);font-size:15px;font-weight:600;
  padding:6px 14px;border-radius:999px;letter-spacing:.06em;
}
.alt-body{padding:2px 0;}
.row-num{
  font-family:var(--serif);
  font-size:14px;color:var(--brick);font-weight:600;
  letter-spacing:.12em;margin-bottom:10px;display:block;
}
.alt-body h3{font-size:19px;line-height:1.45;margin-bottom:14px;}
.alt-body p{color:var(--muted);font-size:16px;line-height:1.9;margin-bottom:14px;}
.tips{display:flex;flex-direction:column;gap:9px;margin-top:6px;}
.tips li{
  position:relative;padding-left:20px;
  font-size:15px;color:var(--text);line-height:1.8;
}
.tips li::before{
  content:"";position:absolute;left:0;top:11px;
  width:9px;height:2px;background:var(--brick);
}
.alt-body .inline-link{
  display:inline-block;margin-top:6px;font-weight:600;color:var(--ink-green);
  font-size:15px;border-bottom:2px solid transparent;padding-bottom:2px;
}
.alt-body .inline-link:hover{color:var(--brick);border-bottom-color:var(--brick);}

/* ---------- dark HUD panel ---------- */
.hud{
  background:var(--ink-green) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  color:#fff;border-radius:18px;overflow:hidden;position:relative;
}
.hud::before{content:"";position:absolute;inset:0;background:rgba(30,64,56,.90);}
.hud-inner{position:relative;padding:52px 44px;}
.hud h2{color:#fff;font-size:clamp(22px,3vw,28px);margin-bottom:14px;}
.hud .hud-lead{color:rgba(255,255,255,.78);max-width:680px;margin-bottom:34px;font-size:16px;}
.hud-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;}
.hud-step{
  border-top:2px solid rgba(255,255,255,.22);
  padding-top:18px;
}
.hud-step .n{
  font-family:var(--serif);font-size:13px;letter-spacing:.16em;
  color:#F0A883;margin-bottom:8px;display:block;
}
.hud-step h3{color:#fff;font-size:18px;margin-bottom:8px;}
.hud-step p{color:rgba(255,255,255,.75);font-size:15px;line-height:1.85;margin:0;}
.hud-metrics{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;margin-top:38px;padding-top:28px;
  border-top:1px solid rgba(255,255,255,.16);
}
.hud-metric b{
  display:block;font-family:var(--serif);font-size:30px;color:#fff;
  font-variant-numeric:tabular-nums;line-height:1.2;margin-bottom:6px;
}
.hud-metric span{font-size:13px;color:rgba(255,255,255,.66);}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line);max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;gap:14px;
  padding:22px 0;text-align:left;font-size:17px;color:var(--ink-green);
  font-family:var(--serif);font-weight:600;line-height:1.5;
}
.faq-q .idx{font-family:var(--serif);font-size:14px;color:var(--brick);flex:0 0 auto;padding-top:2px;}
.faq-q .plus{
  margin-left:auto;flex:0 0 auto;width:22px;height:22px;position:relative;
  transition:transform .25s ease;color:var(--moss);
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-q .plus::before{left:0;right:0;top:10px;height:2px;}
.faq-q .plus::after{top:0;bottom:0;left:10px;width:2px;}
.faq-item.open .faq-q .plus{transform:rotate(45deg);color:var(--brick);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a .faq-a-inner{padding:0 0 24px 30px;max-width:720px;color:var(--muted);font-size:16px;line-height:1.9;}
.faq-a .faq-a-inner p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 80px;}
.cta-inner{
  background:var(--linen);
  border:1px solid var(--line);
  border-radius:18px;
  padding:44px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,3vw,28px);margin-bottom:10px;}
.cta-inner p{color:var(--muted);margin:0;max-width:560px;font-size:16px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-green);color:rgba(255,255,255,.82);padding:64px 0 26px;margin-top:0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.1fr;
  gap:36px;padding-bottom:40px;
}
.footer-brand strong{font-family:var(--serif);font-size:22px;color:#fff;letter-spacing:.02em;}
.footer-brand em{font-style:normal;font-size:13px;color:rgba(255,255,255,.66);margin-left:6px;}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:360px;}
.footer-col h4{font-family:var(--serif);font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul li{margin-bottom:10px;font-size:14px;color:rgba(255,255,255,.7);line-height:1.7;}
.footer-col ul li a{color:rgba(255,255,255,.7);}
.footer-col ul li a:hover{color:var(--brick);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.16);
  padding-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .head-note{display:none;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
}
@media (max-width:991.98px){
  .chip-nav{display:none;}
  .head-actions .btn-primary{display:none;}
  .burger{display:inline-flex;}
  .head-inner{justify-content:space-between;}
  .section{padding:60px 0;}
  .alt-row{grid-template-columns:1fr;gap:24px;}
  .alt-row.reverse .alt-media{order:0;}
  .alt-row.reverse .alt-body{order:1;}
  .hud-inner{padding:40px 28px;}
  .hud-steps{grid-template-columns:1fr;gap:22px;}
  .hud-metrics{grid-template-columns:1fr;gap:18px;}
  .cta-inner{padding:34px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:575.98px){
  body{font-size:16px;}
  .wrap{padding:0 18px;}
  .page-hero{padding:24px 0 4px;}
  .brand-text strong{font-size:20px;}
  .brand-text em{font-size:12px;}
  .section{padding:52px 0;}
  .alt-list{gap:44px;}
  .btn{width:100%;}
  .head-actions{gap:8px;}
  .cta-actions{width:100%;}
  .chip-strip{flex-wrap:nowrap;overflow-x:auto;padding-bottom:12px;scrollbar-width:none;}
  .chip-strip::-webkit-scrollbar{display:none;}
  .chip-strip .chip{white-space:nowrap;flex:0 0 auto;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .faq-a .faq-a-inner{padding-left:0;}
  .cta-band{padding-bottom:56px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
}

/* roulang page: category4 */
:root{
  --ink:#1E4038;
  --ink-soft:#2C5449;
  --brick:#C2562B;
  --brick-dark:#A8451F;
  --moss:#6E7F62;
  --paper:#F7F4ED;
  --linen:#EFE8DB;
  --card:#FFFFFF;
  --text:#22201D;
  --muted:#5C5852;
  --faint:#8A857C;
  --line:#DED6C7;
  --warn:#B33A3A;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 2px 8px rgba(34,32,29,.06);
  --sh-2:0 10px 28px rgba(34,32,29,.10);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --sans:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brick);}
button{font:inherit;}
[hidden]{display:none !important;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;letter-spacing:-0.01em;color:var(--ink);margin:0;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px dashed var(--brick);outline-offset:3px;border-radius:4px;}

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

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-stuck{background:#fff;border-bottom-color:var(--line);box-shadow:var(--sh-1);}
.header-inner{display:flex;align-items:center;gap:20px;min-height:74px;padding-top:12px;padding-bottom:12px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:26px;height:26px;border-radius:8px;background:var(--ink);position:relative;flex:0 0 26px;}
.brand-mark::after{content:"";position:absolute;inset:7px;border:2px solid var(--brick);border-radius:2px;}
.brand-text{display:flex;align-items:baseline;gap:6px;font-family:var(--serif);line-height:1.2;}
.brand-text strong{font-size:20px;color:var(--ink);font-weight:700;letter-spacing:.02em;}
.brand-text em{font-style:normal;font-size:13px;color:var(--moss);font-weight:400;letter-spacing:.02em;}
.chip-nav{display:flex;align-items:center;gap:6px;flex:1 1 auto;justify-content:center;overflow-x:auto;scrollbar-width:none;}
.chip-nav::-webkit-scrollbar{display:none;}
.chip-nav a{
  padding:8px 15px;border-radius:999px;border:1px solid var(--line);
  color:var(--muted);font-size:14px;line-height:1.3;white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.chip-nav a:hover{background:rgba(110,127,98,.10);border-color:var(--moss);color:var(--ink);}
.chip-nav a.active{background:var(--ink);border-color:var(--ink);color:#fff;}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.service-time{font-size:12px;color:var(--faint);letter-spacing:.02em;white-space:nowrap;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;padding:0;
  transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--moss);}
.nav-toggle svg{width:20px;height:20px;stroke:var(--ink);stroke-width:2;fill:none;stroke-linecap:round;}
.mobile-drawer{
  display:none;background:#fff;border-top:1px solid var(--line);
  padding:18px 24px 24px;box-shadow:var(--sh-2);
}
.mobile-drawer .drawer-nav{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
.mobile-drawer .drawer-nav a{
  display:block;padding:12px 16px;border-radius:999px;border:1px solid var(--line);
  color:var(--muted);font-size:15px;
}
.mobile-drawer .drawer-nav a.active{background:var(--ink);border-color:var(--ink);color:#fff;}
body.drawer-open .mobile-drawer{display:block;}

/* ---------- buttons ---------- */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  letter-spacing:.02em;line-height:1.4;cursor:pointer;border:1.5px solid transparent;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  min-height:46px;
}
.btn-main{background:var(--brick);color:#fff;box-shadow:var(--sh-1);}
.btn-main:hover{background:var(--brick-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-main:active{transform:none;box-shadow:var(--sh-1);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:rgba(30,64,56,.08);color:var(--ink);border-color:var(--ink);}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px;}
.btn-block{width:100%;}

/* ---------- hero ---------- */
.page-hero{
  background:linear-gradient(180deg,#F7F4ED 0%,#F1EBDF 100%);
  border-bottom:1px solid var(--line);
  padding:58px 0 56px;
}
.hero-grid{display:grid;grid-template-columns:1.35fr .8fr;gap:52px;align-items:start;}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--brick);
  font-weight:600;margin-bottom:14px;text-transform:uppercase;
}
.page-hero h1{font-size:clamp(28px,3.4vw,42px);line-height:1.24;margin-bottom:18px;}
.hero-lead{font-size:17px;color:var(--muted);max-width:640px;margin-bottom:22px;}
.chip-strip{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px;}
.tag{
  display:inline-block;padding:6px 14px;border-radius:999px;
  background:rgba(110,127,98,.14);color:#4C5B43;font-size:13px;line-height:1.4;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-side{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
}
.hero-side h2{font-size:18px;line-height:1.5;margin-bottom:16px;}
.mini-list li{
  display:flex;gap:12px;padding:12px 0;border-top:1px solid var(--line);
  font-size:14.5px;color:var(--muted);line-height:1.7;
}
.mini-list li:first-child{border-top:0;padding-top:0;}
.mini-list .dot{
  flex:0 0 22px;height:22px;border-radius:6px;background:var(--linen);color:var(--brick);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);margin-top:2px;
}

/* ---------- metrics band ---------- */
.metrics-band{background:var(--ink);color:#EDE7DA;padding:72px 0;}
.metrics-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:16px;margin-bottom:34px;}
.metrics-head h2{color:#fff;font-size:clamp(22px,2.4vw,30px);}
.metrics-head p{color:#B9C2B6;font-size:15px;margin:0;max-width:560px;}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.metrics li{padding:0 26px;border-left:1px solid rgba(255,255,255,.16);}
.metrics li:first-child{border-left:0;padding-left:0;}
.metrics .figure{
  font-family:var(--serif);font-size:clamp(28px,3.2vw,40px);color:#fff;
  font-variant-numeric:tabular-nums;line-height:1.1;display:flex;align-items:baseline;gap:4px;
}
.metrics .figure span.unit{font-size:14px;color:var(--brick);font-family:var(--sans);font-weight:600;}
.metrics .label{margin-top:10px;font-size:13.5px;color:#B9C2B6;line-height:1.7;}

/* ---------- section ---------- */
.section{padding:88px 0;}
.section + .section{border-top:1px solid var(--line);}
.kicker{display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--moss);font-weight:600;margin-bottom:12px;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:16px;margin:0;}

/* ---------- qa ---------- */
.qa-columns{display:grid;grid-template-columns:1fr 1fr;gap:56px;}
.qa-col-title{
  font-size:clamp(20px,2.2vw,24px);line-height:1.4;margin-bottom:6px;
  display:flex;align-items:center;gap:10px;
}
.qa-col-title::before{
  content:"";width:4px;height:22px;border-radius:2px;background:var(--brick);display:inline-block;
}
.qa-col-note{font-size:13.5px;color:var(--faint);margin:0 0 14px 14px;}
.qa-item{border-top:1px solid var(--line);}
.qa-col .qa-list .qa-item:last-child{border-bottom:1px solid var(--line);}
.qa-head{
  width:100%;display:flex;align-items:flex-start;gap:14px;padding:20px 0;
  background:none;border:0;text-align:left;cursor:pointer;
}
.qa-num{
  font-family:var(--serif);font-size:13px;font-weight:700;color:var(--brick);
  letter-spacing:.06em;min-width:22px;line-height:1.75;font-variant-numeric:tabular-nums;
}
.qa-head h3{
  flex:1 1 auto;font-size:18px;line-height:1.55;margin:0;font-weight:600;
  transition:color .2s ease;
}
.qa-head:hover h3{color:var(--brick);}
.qa-icon{position:relative;flex:0 0 16px;width:16px;height:16px;margin-top:7px;transition:transform .25s ease;}
.qa-icon::before,.qa-icon::after{
  content:"";position:absolute;background:var(--moss);border-radius:1px;
}
.qa-icon::before{left:0;top:7px;width:16px;height:2px;}
.qa-icon::after{left:7px;top:0;width:2px;height:16px;}
.qa-item.is-open .qa-icon{transform:rotate(45deg);}
.qa-item.is-open .qa-icon::before,.qa-item.is-open .qa-icon::after{background:var(--brick);}
.qa-body{padding:0 20px 22px 36px;max-width:720px;}
.qa-body p{color:var(--muted);font-size:15.5px;line-height:1.9;margin:0;}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.split-media{position:relative;}
.split-media img{border-radius:var(--r-img);box-shadow:var(--sh-1);width:100%;height:auto;}
.split-media .media-tag{
  position:absolute;left:16px;bottom:16px;background:rgba(30,64,56,.92);color:#fff;
  font-size:12.5px;padding:6px 14px;border-radius:999px;letter-spacing:.02em;
}
.split-body h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin-bottom:14px;}
.split-body > p{color:var(--muted);margin-bottom:22px;}
.check-list li{
  display:flex;gap:14px;padding:14px 0;border-top:1px solid var(--line);
  font-size:15.5px;color:var(--muted);line-height:1.8;
}
.check-list li:last-child{border-bottom:1px solid var(--line);}
.check-list .mark{
  flex:0 0 20px;height:20px;border-radius:5px;background:rgba(194,86,43,.12);
  color:var(--brick);font-size:12px;font-weight:700;display:flex;align-items:center;
  justify-content:center;margin-top:4px;
}
.check-list strong{color:var(--ink);font-weight:600;display:block;margin-bottom:2px;font-size:15.5px;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;transition:box-shadow .25s ease,transform .25s ease;
}
.step:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.step .step-no{
  font-family:var(--serif);font-size:13px;color:var(--brick);font-weight:700;
  letter-spacing:.12em;display:block;margin-bottom:14px;
}
.step h3{font-size:17px;line-height:1.5;margin-bottom:10px;}
.step p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0;}

/* ---------- cta + form ---------- */
.cta-band{
  background:var(--ink);color:#EDE7DA;border-radius:16px;
  padding:48px;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin-bottom:14px;}
.cta-band .cta-desc{color:#B9C2B6;font-size:15.5px;margin-bottom:22px;}
.cta-points li{
  display:flex;gap:10px;font-size:14.5px;color:#CBD3C8;padding:8px 0;
}
.cta-points .tick{color:var(--brick);font-weight:700;}
.consult-card{
  background:var(--linen);border-radius:var(--r-card);padding:28px;border:1px solid rgba(255,255,255,.10);
}
.consult-card h3{font-size:18px;color:var(--ink);margin-bottom:6px;}
.consult-card .card-sub{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;letter-spacing:.02em;}
.field input,.field select,.field textarea{
  width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:11px 14px;font-size:15px;color:var(--text);line-height:1.6;
  transition:border-color .2s ease,box-shadow .2s ease;
  font-family:var(--sans);
}
.field textarea{min-height:96px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(30,64,56,.12);
}
.field input::placeholder,.field textarea::placeholder{color:#A9A294;}
.consent{display:flex;align-items:flex-start;gap:10px;font-size:12.5px;color:var(--muted);line-height:1.7;margin:4px 0 18px;}
.consent input{margin-top:4px;width:15px;height:15px;accent-color:var(--ink);flex:0 0 15px;}
.privacy-note{font-size:12.5px;color:var(--faint);line-height:1.75;margin-top:14px;}
.form-note{
  margin-top:14px;font-size:13.5px;color:#3F5B4E;background:rgba(110,127,98,.14);
  border-radius:var(--r-btn);padding:10px 14px;
}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#EDE7DA;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:44px;}
.footer-brand strong{
  display:block;font-family:var(--serif);font-size:22px;color:#fff;letter-spacing:.02em;
}
.footer-brand em{
  display:block;font-style:normal;font-size:13px;color:var(--moss);
  margin-bottom:16px;letter-spacing:.04em;
}
.footer-brand p{font-size:14px;color:#A9B3A4;line-height:1.85;max-width:420px;margin:0;}
.footer-col h4{font-size:15px;color:#fff;font-family:var(--serif);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:10px;font-size:14px;color:#A9B3A4;line-height:1.7;}
.footer-col ul li a{color:#C9C2B3;font-size:14px;}
.footer-col ul li a:hover{color:var(--brick);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.16);margin-top:46px;padding:20px 0;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:#A9A294;
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .header-inner{gap:14px;}
  .service-time{display:none;}
  .hero-grid{grid-template-columns:1.2fr .85fr;gap:36px;}
  .qa-columns{gap:40px;}
}
@media (max-width:1024px){
  .chip-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:72px 0;}
  .metrics-band{padding:60px 0;}
  .metrics{grid-template-columns:repeat(2,1fr);gap:28px 0;}
  .metrics li:nth-child(3){border-left:0;padding-left:0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .split{gap:36px;}
  .cta-band{padding:38px;gap:32px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:860px){
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .qa-columns{grid-template-columns:1fr;gap:44px;}
  .split{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .wrap{padding:0 18px;}
  .header-inner{min-height:64px;}
  .brand-text strong{font-size:18px;}
  .brand-text em{font-size:12px;}
  .header-actions .btn-main{display:none;}
  .page-hero{padding:42px 0 44px;}
  .section{padding:56px 0;}
  .metrics-band{padding:52px 0;}
  .metrics{grid-template-columns:1fr;gap:0;}
  .metrics li{border-left:0;padding:18px 0;border-top:1px solid rgba(255,255,255,.14);}
  .metrics li:first-child{border-top:0;padding-top:0;}
  .steps{grid-template-columns:1fr;}
  .cta-band{padding:28px;border-radius:14px;}
  .consult-card{padding:22px;}
  .qa-body{padding-left:0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:575px){
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .chip-strip{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;}
  .chip-strip .tag{white-space:nowrap;}
  .qa-head h3{font-size:16.5px;}
  .footer-brand p{max-width:none;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}