/* roulang page: index */
:root{
  --paper:#F6F1E8;
  --paper-2:#EFE6D9;
  --surface:#FFFDF8;
  --copper:#B65A32;
  --copper-dark:#8E3F22;
  --teal:#2F6F6A;
  --teal-light:#DCEBE7;
  --amber:#D98A3D;
  --ink:#221E1B;
  --muted:#6B625B;
  --line:#E5DCD0;
  --dark:#1F1B18;
  --error:#B43A2F;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-pill:999px;
  --shadow-sm:0 6px 16px rgba(66,48,32,.06);
  --shadow-md:0 12px 28px rgba(66,48,32,.08);
  --shadow-lg:0 22px 48px rgba(66,48,32,.12);
  --container:1200px;
  --gap:24px;
  --section:104px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-md);}
a{color:var(--ink);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--copper);}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--ink);}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--section) 0;}
.section--tight{padding:72px 0;}
.section--paper2{background:var(--paper-2);}
.section--surface{background:var(--surface);}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.14em;color:var(--copper);
  font-weight:600;text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--copper);display:block;}
h2.h-section{font-size:clamp(26px,3.2vw,38px);line-height:1.3;margin-top:14px;}
.lead{color:var(--muted);font-size:16px;line-height:1.9;margin-top:16px;max-width:640px;}
.muted{color:var(--muted);}
.small{font-size:14px;line-height:1.75;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--copper);color:#FFF8F1;box-shadow:0 8px 20px rgba(182,90,50,.22);}
.btn-primary:hover{background:var(--copper-dark);transform:translateY(-2px);color:#FFF8F1;box-shadow:0 12px 26px rgba(142,63,34,.26);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(142,63,34,.2);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{background:var(--paper-2);border-color:#D6C9B8;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;}
.link-more{font-size:14px;font-weight:600;color:var(--copper);display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{text-decoration:underline;text-underline-offset:3px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,241,232,.94);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{position:relative;width:30px;height:30px;border-radius:9px;background:var(--copper);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.brand-mark::before{content:"";width:12px;height:12px;border-radius:50%;background:#FFF8F1;}
.brand-mark::after{content:"";position:absolute;right:5px;bottom:6px;width:9px;height:2px;background:#F3D9C6;box-shadow:0 -5px 0 #F3D9C6;}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--ink);}
.nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1;}
.nav-link{
  position:relative;font-size:14px;font-weight:500;color:#4A4340;
  padding:8px 12px;border-radius:8px;transition:background .2s ease,color .2s ease;
  white-space:nowrap;
}
.nav-link:hover{background:var(--paper-2);color:var(--ink);}
.nav-link.active{color:var(--copper);font-weight:700;}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--copper);border-radius:2px;}
.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.search-box{position:relative;display:flex;align-items:center;gap:8px;width:240px;height:40px;padding:0 10px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-pill);transition:border-color .2s ease,box-shadow .2s ease;}
.search-box:focus-within{border-color:var(--copper);box-shadow:0 0 0 3px rgba(47,111,106,.18);}
.search-box svg{width:15px;height:15px;stroke:var(--muted);fill:none;stroke-width:1.9;flex-shrink:0;}
.search-box input{border:0;background:transparent;outline:none;width:100%;font-size:13.5px;line-height:1.4;}
.search-box input::placeholder{color:#9A9086;}
.search-box kbd{font-size:11px;color:#9A9086;background:var(--paper-2);border:1px solid var(--line);border-radius:5px;padding:1px 5px;font-family:inherit;flex-shrink:0;}
.search-pop{
  position:absolute;top:50px;left:0;width:360px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);
  padding:16px;display:none;z-index:80;
}
.search-pop.is-open{display:block;}
.search-pop h4{font-size:12px;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;margin-bottom:10px;font-weight:600;}
.search-pop ul{display:flex;flex-wrap:wrap;gap:8px;}
.search-pop li a{display:inline-block;font-size:13px;padding:5px 12px;border-radius:var(--radius-pill);background:var(--paper-2);color:#4A4340;transition:background .2s ease,color .2s ease;}
.search-pop li a:hover{background:var(--teal-light);color:var(--teal);}
.search-pop .pop-note{margin-top:12px;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);}
.link-quiet{font-size:13.5px;color:var(--muted);font-weight:500;}
.link-quiet:hover{color:var(--copper);}
.menu-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);background:var(--surface);border-radius:10px;align-items:center;justify-content:center;flex-direction:column;gap:4px;}
.menu-toggle span{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-open .menu-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-open .menu-toggle span:nth-child(2){opacity:0;}
.nav-open .menu-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- Hero ---------- */
.hero{padding:76px 0 88px;position:relative;overflow:hidden;}
.hero::before{content:"";position:absolute;top:-160px;right:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(217,138,61,.18),rgba(217,138,61,0) 68%);pointer-events:none;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;position:relative;}
.hero h1{font-size:clamp(32px,4.4vw,54px);line-height:1.18;letter-spacing:0;margin-top:18px;}
.hero h1 .accent{color:var(--copper);}
.hero-sub{font-size:17px;line-height:1.85;color:#4A4340;margin-top:22px;max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.trust-row{display:flex;flex-wrap:wrap;gap:0;margin-top:38px;border-top:1px solid var(--line);padding-top:22px;}
.trust-item{padding-right:26px;margin-right:26px;border-right:1px solid var(--line);}
.trust-item:last-child{border-right:0;margin-right:0;padding-right:0;}
.trust-item strong{display:block;font-size:20px;color:var(--copper);line-height:1.3;}
.trust-item span{font-size:13px;color:var(--muted);}
.hero-media{position:relative;padding-bottom:34px;}
.hero-media .main-img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);}
.hero-media .sub-img{
  position:absolute;left:-28px;bottom:0;width:42%;aspect-ratio:16/10;object-fit:cover;
  border:6px solid var(--surface);border-radius:var(--radius-md);box-shadow:var(--shadow-md);
}
.float-card{
  position:absolute;right:-8px;top:26px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);box-shadow:var(--shadow-md);padding:14px 18px;min-width:172px;
}
.float-card .fc-label{font-size:12px;color:var(--muted);letter-spacing:.06em;}
.float-card .fc-value{font-size:24px;font-weight:700;color:var(--copper);line-height:1.3;}
.float-card .fc-note{font-size:12px;color:var(--muted);}
.float-card .bar{height:4px;border-radius:4px;background:var(--paper-2);margin-top:8px;overflow:hidden;}
.float-card .bar i{display:block;height:100%;width:78%;background:var(--teal);border-radius:4px;}

/* ---------- 痛点区 ---------- */
.pain-list{display:grid;grid-template-columns:1fr 1fr;gap:8px 48px;margin-top:44px;}
.pain-item{display:flex;gap:20px;padding:24px 0;border-top:1px solid var(--line);}
.pain-num{
  font-size:14px;font-weight:700;color:var(--copper);letter-spacing:.08em;
  flex-shrink:0;width:38px;padding-top:2px;position:relative;
}
.pain-num::after{content:"";position:absolute;left:0;top:26px;width:22px;height:2px;background:var(--copper);opacity:.45;}
.pain-item h3{font-size:18px;line-height:1.5;margin-bottom:6px;}
.pain-item p{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ---------- 解决方案 ---------- */
.solution-grid{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:start;margin-top:8px;}
.solution-side{position:sticky;top:104px;}
.solution-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px;box-shadow:var(--shadow-sm);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.solution-card + .solution-card{margin-top:24px;}
.solution-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#D9CBB9;}
.solution-card .tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px;}
.tag{display:inline-flex;align-items:center;font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:var(--radius-pill);background:var(--teal-light);color:var(--teal);}
.tag--copper{background:#F6E3D8;color:var(--copper-dark);}
.tag--ghost{background:var(--paper-2);color:var(--muted);}
.solution-card h3{font-size:21px;line-height:1.45;}
.solution-card p{font-size:14.5px;color:var(--muted);margin-top:10px;line-height:1.85;}
.steps{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;padding-top:18px;border-top:1px dashed var(--line);}
.steps li{font-size:13px;color:#4A4340;display:flex;align-items:center;gap:8px;}
.steps li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--copper);opacity:.75;display:block;}
.steps li:not(:last-child)::after{content:"→";color:#B9AC9C;margin-left:6px;}

/* ---------- 成果区 ---------- */
.kpi-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:var(--dark);border-radius:var(--radius-lg);overflow:hidden;margin-top:44px;
}
.kpi-item{padding:30px 28px;border-right:1px solid rgba(255,255,255,.1);}
.kpi-item:last-child{border-right:0;}
.kpi-item strong{display:block;font-size:clamp(26px,3vw,34px);color:#F4C79E;line-height:1.2;}
.kpi-item span{display:block;font-size:13.5px;color:rgba(255,253,248,.7);margin-top:6px;}
.case-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;margin-top:28px;}
.case-main{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  background:var(--surface);display:flex;flex-direction:column;
}
.case-main img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;}
.case-main .case-body{padding:26px 28px 28px;}
.case-main h3{font-size:20px;line-height:1.5;margin-top:12px;}
.case-main p{font-size:14.5px;color:var(--muted);margin-top:8px;}
.case-side{display:grid;gap:24px;align-content:start;}
.case-mini{
  display:flex;gap:16px;align-items:flex-start;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-md);padding:20px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.case-mini:hover{transform:translateY(-2px);border-color:#D9CBB9;box-shadow:var(--shadow-sm);}
.case-mini .mini-mark{
  flex-shrink:0;width:42px;height:42px;border-radius:12px;background:var(--paper-2);
  display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--copper);font-size:14px;
}
.case-mini h4{font-size:15.5px;line-height:1.5;margin-bottom:4px;}
.case-mini p{font-size:13.5px;color:var(--muted);line-height:1.7;}

/* ---------- 证言 ---------- */
.quote-band{
  background:var(--paper-2);border-radius:var(--radius-lg);padding:56px 56px 48px;
  border:1px solid #E3D6C4;position:relative;overflow:hidden;
}
.quote-band::before{content:"“";position:absolute;right:38px;top:-6px;font-size:150px;line-height:1;color:rgba(182,90,50,.13);font-family:Georgia,serif;}
.quote-band blockquote{margin:0;font-size:clamp(19px,2.1vw,25px);line-height:1.75;color:#332B26;font-family:"Noto Serif SC","Songti SC",Georgia,serif;max-width:820px;}
.quote-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:26px;font-size:14px;color:var(--muted);}
.quote-meta .who{font-weight:700;color:var(--ink);}
.quote-meta .dot{width:5px;height:5px;border-radius:50%;background:#BCAB98;}
.logo-strip{display:flex;flex-wrap:wrap;gap:14px 40px;margin-top:40px;padding-top:26px;border-top:1px solid #DCCEBB;}
.logo-strip span{font-size:14px;color:#8C8177;letter-spacing:.04em;font-weight:600;}

/* ---------- 最新信息 ---------- */
.news-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:18px;}
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;margin-top:44px;}
.news-feature{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.news-feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#D9CBB9;}
.news-feature img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.news-feature .nf-body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);}
.news-meta .sep{width:4px;height:4px;border-radius:50%;background:#C4B6A4;}
.news-feature h3{font-size:21px;line-height:1.5;}
.news-feature h3 a:hover{color:var(--copper);}
.news-feature p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.news-list{display:flex;flex-direction:column;gap:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:8px 24px;}
.news-item{padding:20px 0;border-bottom:1px solid var(--line);display:block;transition:background .2s ease;}
.news-item:last-child{border-bottom:0;}
.news-item h4{font-size:16px;line-height:1.55;margin-bottom:6px;transition:color .2s ease;}
.news-item:hover h4{color:var(--copper);}
.news-item p{font-size:13.5px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.empty-state{
  border:1px dashed #D6C7B3;border-radius:var(--radius-lg);background:var(--surface);
  padding:56px 32px;text-align:center;
}
.empty-state h4{font-size:17px;margin-bottom:8px;}
.empty-state p{font-size:14px;color:var(--muted);margin-bottom:18px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:44px auto 0;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding:22px 0 22px 0;font-size:16px;font-weight:700;line-height:1.6;
  transition:color .2s ease,padding .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--copper);}
.faq-item[open] summary{color:var(--copper);padding-left:14px;border-left:3px solid var(--copper);}
.faq-icon{position:relative;flex-shrink:0;width:22px;height:22px;border-radius:50%;border:1px solid var(--line);background:var(--surface);transition:transform .24s ease,border-color .24s ease;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--copper);border-radius:2px;transition:transform .24s ease,opacity .24s ease;}
.faq-icon::before{width:10px;height:2px;left:5px;top:9.5px;}
.faq-icon::after{width:2px;height:10px;left:9.5px;top:5px;}
.faq-item[open] .faq-icon{transform:rotate(180deg);border-color:var(--copper);}
.faq-item[open] .faq-icon::after{opacity:0;}
.faq-answer{padding:0 0 24px 14px;font-size:15px;line-height:1.9;color:var(--muted);max-width:760px;}

/* ---------- 最终 CTA ---------- */
.cta-band{
  position:relative;border-radius:22px;overflow:hidden;background:var(--dark);color:#FFFDF8;
  padding:64px 56px;display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.16;pointer-events:none;
}
.cta-left,.cta-right{position:relative;z-index:2;}
.cta-left h2{color:#FFFDF8;font-size:clamp(26px,3vw,36px);line-height:1.32;}
.cta-left p{color:rgba(255,253,248,.72);font-size:15.5px;line-height:1.85;margin-top:16px;max-width:440px;}
.cta-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.cta-badges span{font-size:12.5px;padding:5px 13px;border-radius:var(--radius-pill);border:1px solid rgba(255,253,248,.22);color:rgba(255,253,248,.82);}
.form-card{background:var(--surface);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-lg);}
.form-card h3{font-size:17px;color:var(--ink);margin-bottom:4px;}
.form-card .form-note{font-size:13px;color:var(--muted);margin-bottom:18px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;}
.field label{font-size:13px;font-weight:600;color:#4A4340;}
.field input,.field textarea,.field select{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:12px;
  background:#FFFDF9;outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--copper);box-shadow:0 0 0 3px rgba(47,111,106,.16);}
.field .hint{font-size:12px;color:var(--muted);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,253,248,.78);margin-top:0;padding:0;}
.site-footer .foot-top{height:3px;background:linear-gradient(90deg,var(--copper),var(--amber));}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;padding:64px 0 44px;}
.footer-brand .brand-text{color:#FFFDF8;font-size:17px;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,253,248,.6);margin-top:16px;max-width:320px;}
.footer-col h4{font-size:13px;letter-spacing:.12em;color:#FFFDF8;text-transform:uppercase;margin-bottom:16px;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,253,248,.68);}
.footer-col a:hover{color:var(--amber);}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,253,248,.68);}
.footer-bottom{
  border-top:1px solid rgba(255,253,248,.12);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,253,248,.5);
}
.footer-bottom a{color:rgba(255,253,248,.6);}
.footer-bottom a:hover{color:var(--amber);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--section:88px;--container:1080px;}
  .nav{gap:0;}
  .header-actions .link-quiet{display:none;}
  .search-box{width:200px;}
  .hero-grid{gap:40px;}
  .solution-grid{gap:44px;}
}
@media (max-width:991px){
  :root{--section:72px;}
  .header-inner{height:64px;gap:14px;}
  .search-box{display:none;}
  .menu-toggle{display:flex;}
  .nav{
    position:fixed;top:64px;left:0;right:0;bottom:0;background:var(--paper);
    flex-direction:column;align-items:stretch;gap:2px;padding:20px 24px 96px;
    margin:0;overflow-y:auto;transform:translateX(-102%);transition:transform .28s ease;
    border-top:1px solid var(--line);z-index:70;
  }
  .nav-open .nav{transform:translateX(0);}
  .nav-link{font-size:16px;padding:14px 12px;border-radius:12px;}
  .nav-link.active::after{display:none;}
  .nav-link.active{background:var(--paper-2);}
  .hero{padding:52px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-media .sub-img{left:0;width:46%;bottom:-10px;}
  .float-card{right:0;top:16px;}
  .pain-list{grid-template-columns:1fr;gap:0;}
  .solution-grid{grid-template-columns:1fr;gap:32px;}
  .solution-side{position:static;}
  .kpi-band{grid-template-columns:1fr 1fr;}
  .kpi-item:nth-child(2){border-right:0;}
  .kpi-item:nth-child(1),.kpi-item:nth-child(2){border-bottom:1px solid rgba(255,255,255,.1);}
  .case-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;gap:24px;}
  .quote-band{padding:40px 32px 36px;}
  .cta-band{grid-template-columns:1fr;padding:44px 32px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;padding:48px 0 32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .hero h1{font-size:clamp(30px,7.4vw,38px);}
  .hero-sub{font-size:15.5px;}
  .hero-cta .btn{flex:1 1 auto;}
  .trust-item{padding-right:18px;margin-right:18px;}
  .trust-item strong{font-size:18px;}
  .float-card{padding:10px 14px;min-width:148px;}
  .float-card .fc-value{font-size:20px;}
  .solution-card{padding:22px;}
  .kpi-item{padding:22px 18px;}
  .quote-band blockquote{font-size:18px;}
  .case-main .case-body{padding:20px;}
  .news-feature .nf-body{padding:20px;}
  .news-list{padding:4px 18px;}
  .form-row{grid-template-columns:1fr;}
  .cta-band{padding:36px 22px;}
  .faq-item summary{font-size:15.5px;padding:18px 0;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-text{font-size:15.5px;}
  .hero{padding:36px 0 52px;}
  .hero-media .sub-img{display:none;}
  .float-card{position:static;margin-top:14px;width:100%;}
  .kpi-band{grid-template-columns:1fr;}
  .kpi-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.1);}
  .kpi-item:last-child{border-bottom:0;}
  .btn{height:46px;padding:0 20px;font-size:14.5px;}
  .btn-sm{height:38px;}
  .search-pop{width:calc(100vw - 32px);}
}

/* roulang page: article */
:root{
  --paper:#F6F1E8;
  --paper-2:#EFE6D9;
  --surface:#FFFDF8;
  --copper:#B65A32;
  --copper-deep:#8E3F22;
  --green:#2F6F6A;
  --green-soft:#DCEBE7;
  --amber:#D98A3D;
  --ink:#221E1B;
  --ink-2:#6B625B;
  --line:#E5DCD0;
  --dark:#1F1B18;
  --err:#B43A2F;
  --ok:#2F6F6A;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --shadow:0 12px 28px rgba(66,48,32,.08);
  --shadow-hover:0 18px 38px rgba(66,48,32,.14);
  --sec-gap:100px;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,sans-serif;
  --font-serif:"Noto Serif SC","Songti SC",serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--copper);}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--ink);}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,241,232,.94);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:22px;height:22px;border-radius:50%;
  background:radial-gradient(circle at 32% 30%,var(--amber),var(--copper) 62%,var(--copper-deep));
  box-shadow:0 0 0 4px rgba(182,90,50,.12);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:2px;height:9px;
  background:rgba(255,253,248,.85);border-radius:2px;transform:translate(-50%,-50%);
}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.02em;color:var(--ink);}
.nav{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-link{
  font-size:14px;color:var(--ink-2);padding:9px 12px;border-radius:999px;
  white-space:nowrap;transition:all .2s ease;
}
.nav-link:hover{color:var(--copper);background:var(--paper-2);}
.nav-link.active{color:var(--copper);background:rgba(182,90,50,.09);font-weight:500;}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:240px;height:40px;padding:0 12px;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  transition:border-color .2s,box-shadow .2s;
}
.search-box:focus-within{border-color:var(--copper);box-shadow:0 0 0 3px rgba(47,111,106,.16);}
.search-box svg{flex-shrink:0;stroke:var(--ink-2);}
.search-box input{border:none;background:transparent;outline:none;width:100%;font-size:14px;}
.search-box input::placeholder{color:#9A9088;}
.kbd{
  font-size:11px;color:var(--ink-2);border:1px solid var(--line);
  border-radius:6px;padding:1px 5px;background:var(--paper);line-height:1.5;
}
.link-quiet{font-size:14px;color:var(--ink-2);padding:6px 2px;}
.link-quiet:hover{color:var(--copper);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:500;transition:transform .18s,background .18s,box-shadow .18s,color .18s,border-color .18s;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--copper);color:#FFF8F2;box-shadow:0 8px 18px rgba(140,63,34,.18);}
.btn-primary:hover{background:var(--copper-deep);color:#FFF8F2;transform:translateY(-2px);box-shadow:0 12px 24px rgba(140,63,34,.24);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{background:var(--paper-2);color:var(--ink);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-block{width:100%;}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);
  background:var(--surface);border-radius:12px;padding:0;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ============ 文章头部 ============ */
.article-hero{
  background:
    linear-gradient(180deg,rgba(246,241,232,.94),rgba(246,241,232,.98)),
    url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  border-bottom:1px solid var(--line);
  padding:34px 0 44px;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:22px;}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--copper);}
.breadcrumb .sep{color:#B8ADA2;}
.breadcrumb .current{color:var(--ink);font-weight:700;}
.article-head{max-width:840px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:500;color:var(--copper-deep);
  background:rgba(182,90,50,.1);border:1px solid rgba(182,90,50,.18);
  padding:4px 12px;border-radius:999px;line-height:1.7;
}
.article-head h1{
  font-size:clamp(30px,3.6vw,44px);
  line-height:1.28;margin:18px 0 20px;letter-spacing:.005em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  font-size:13.5px;color:var(--ink-2);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C4B7A9;}
.article-meta strong{color:var(--ink);font-weight:500;}

/* ============ 正文布局 ============ */
.article-section{padding:56px 0 var(--sec-gap);}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start;}
.article-main{min-width:0;max-width:800px;}
.article-body{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:38px 40px;
  box-shadow:var(--shadow);
  font-size:16.5px;line-height:1.88;color:var(--ink);
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1em;}
.article-body h2{
  font-size:clamp(23px,2.3vw,28px);
  line-height:1.42;margin:2.2em 0 .7em;
  padding-left:14px;border-left:3px solid var(--copper);
}
.article-body h3{font-size:20px;margin:1.8em 0 .6em;}
.article-body h4{font-size:17.5px;margin:1.5em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.5em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.4em 0;}
.article-body li::marker{color:var(--copper);}
.article-body blockquote{
  margin:1.5em 0;padding:16px 22px;
  background:var(--paper);
  border-left:3px solid var(--copper);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--ink-2);font-family:var(--font-serif);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{color:var(--copper);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--copper-deep);}
.article-body img{border-radius:var(--r-md);margin:1.4em 0;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--paper-2);font-weight:600;}
.article-body code{background:var(--paper-2);padding:2px 6px;border-radius:6px;font-size:14px;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0;}

.article-empty{
  background:var(--surface);border:1px dashed var(--line);
  border-radius:var(--r-lg);padding:56px 32px;text-align:center;
}
.article-empty h2{font-size:24px;margin-bottom:12px;}
.article-empty p{color:var(--ink-2);margin-bottom:24px;}

/* ============ 侧栏 ============ */
.article-aside{position:sticky;top:96px;display:grid;gap:18px;}
.aside-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:22px;box-shadow:var(--shadow);
}
.aside-card h3{font-size:16px;margin-bottom:12px;}
.aside-card p{font-size:14px;line-height:1.75;color:var(--ink-2);margin-bottom:14px;}
.aside-list{display:grid;gap:2px;}
.aside-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:14px;color:var(--ink);padding:10px 8px;border-radius:10px;
  border-bottom:1px solid var(--line);
}
.aside-list a:last-child{border-bottom:none;}
.aside-list a::after{content:"→";color:var(--copper);font-size:13px;}
.aside-list a:hover{background:var(--paper);color:var(--copper);}
.aside-card.dark{background:var(--dark);border-color:var(--dark);color:#F3ECE3;}
.aside-card.dark h3{color:#FFF8F2;}
.aside-card.dark p{color:#C9BEB2;}
.aside-contact{display:grid;gap:8px;font-size:13.5px;color:#C9BEB2;margin-bottom:16px;}
.aside-contact strong{color:#FFF8F2;font-weight:500;}

/* ============ 相关推荐 ============ */
.related{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:72px 0;}
.section-head{max-width:720px;margin-bottom:34px;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--copper-deep);font-weight:500;letter-spacing:.08em;
  margin-bottom:12px;
}
.section-kicker::before{content:"";width:18px;height:2px;background:var(--copper);border-radius:2px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:10px;}
.section-head p{color:var(--ink-2);font-size:15px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.rel-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:22px;
  transition:transform .2s,border-color .2s,box-shadow .2s;
}
.rel-card:hover{transform:translateY(-3px);border-color:rgba(182,90,50,.32);box-shadow:var(--shadow-hover);}
.rel-card .rel-tag{font-size:12px;color:var(--green);background:var(--green-soft);padding:3px 10px;border-radius:999px;align-self:flex-start;}
.rel-card h3{font-size:17px;line-height:1.55;}
.rel-card p{font-size:14px;color:var(--ink-2);line-height:1.75;}
.rel-card .rel-date{font-size:12.5px;color:#9A9088;margin-top:auto;}
.rel-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;}

/* ============ CTA ============ */
.cta-band{padding:var(--sec-gap) 0;}
.cta-inner{
  background:
    linear-gradient(120deg,rgba(31,27,24,.96),rgba(31,27,24,.88)),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  border-radius:24px;padding:56px;color:#F3ECE3;
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
}
.cta-inner h2{font-size:clamp(24px,2.8vw,34px);color:#FFF8F2;margin-bottom:14px;}
.cta-inner p{color:#C9BEB2;font-size:15px;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.cta-inner .btn-ghost{color:#F3ECE3;border-color:rgba(255,248,242,.32);}
.cta-inner .btn-ghost:hover{background:rgba(255,248,242,.1);color:#FFF8F2;}
.cta-form{
  background:rgba(255,253,248,.07);
  border:1px solid rgba(255,248,242,.16);
  border-radius:var(--r-lg);padding:24px;
}
.cta-form label{display:block;font-size:13px;color:#C9BEB2;margin-bottom:6px;}
.cta-form .field{margin-bottom:14px;}
.cta-form input{
  width:100%;height:46px;padding:0 14px;border-radius:var(--r-sm);
  border:1px solid rgba(255,248,242,.22);background:rgba(255,253,248,.06);color:#FFF8F2;outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.cta-form input::placeholder{color:#9B9289;}
.cta-form input:focus{border-color:var(--amber);box-shadow:0 0 0 3px rgba(217,138,61,.22);}
.cta-form .hint{font-size:12px;color:#9B9289;margin-top:12px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#C9BEB2;padding-top:0;}
.foot-top{height:3px;background:linear-gradient(90deg,var(--copper),var(--amber),var(--copper-deep));}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding:56px 0 42px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text{color:#FFF8F2;}
.footer-brand p{font-size:14px;line-height:1.8;max-width:330px;color:#A79C90;}
.footer-col h4{font-size:14.5px;color:#FFF8F2;margin-bottom:16px;font-weight:600;}
.footer-col ul{display:grid;gap:10px;}
.footer-col li a{font-size:14px;color:#A79C90;}
.footer-col li a:hover{color:var(--amber);}
.footer-col p{font-size:14px;color:#A79C90;margin-bottom:8px;line-height:1.7;}
.footer-bottom{
  border-top:1px solid rgba(255,248,242,.12);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:#8B8177;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 270px;gap:40px;}
  .search-box{width:200px;}
}
@media (max-width:991px){
  .header-inner{height:64px;gap:14px;}
  .nav{
    position:fixed;left:0;right:0;top:64px;
    flex-direction:column;align-items:stretch;gap:4px;margin:0;
    background:var(--paper);border-bottom:1px solid var(--line);
    padding:16px 20px 24px;box-shadow:0 18px 30px rgba(66,48,32,.12);
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:opacity .2s ease,transform .2s ease,visibility .2s;
    max-height:calc(100vh - 64px);overflow-y:auto;
  }
  .nav.open{transform:translateY(0);opacity:1;visibility:visible;}
  .nav-link{padding:13px 12px;font-size:15px;border-radius:12px;}
  .nav-toggle{display:inline-flex;}
  .search-box,.link-quiet{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .article-aside{position:static;grid-template-columns:repeat(2,minmax(0,1fr));}
  .article-body{padding:30px 26px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:1fr;padding:40px 32px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 34px;}
}
@media (max-width:767px){
  :root{--sec-gap:64px;}
  .container{padding:0 20px;}
  .article-hero{padding:24px 0 34px;}
  .article-head h1{font-size:clamp(26px,6.2vw,32px);}
  .article-section{padding:36px 0 var(--sec-gap);}
  .article-body{font-size:16px;line-height:1.85;padding:24px 20px;border-radius:var(--r-md);}
  .article-aside{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .cta-inner{padding:32px 22px;border-radius:18px;}
  .footer-bottom{flex-direction:column;}
  .btn{height:46px;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .brand-text{font-size:17px;}
  .article-meta{gap:8px 14px;font-size:13px;}
  .cta-actions .btn{width:100%;}
  .related{padding:48px 0;}
}

/* roulang page: category1 */
:root{
  --paper:#F6F1E8;
  --paper-2:#EFE6D9;
  --surface:#FFFDF8;
  --copper:#B65A32;
  --copper-deep:#8E3F22;
  --green:#2F6F6A;
  --green-light:#DCEBE7;
  --amber:#D98A3D;
  --ink:#221E1B;
  --ink-2:#6B625B;
  --line:#E5DCD0;
  --dark:#1F1B18;
  --error:#B43A2F;
  --radius-lg:18px;
  --radius-sm:14px;
  --shadow:0 12px 28px rgba(66,48,32,.08);
  --shadow-hover:0 18px 34px rgba(66,48,32,.13);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-serif:"Noto Serif SC","Songti SC",Georgia,serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--copper);text-decoration:none;transition:color .2s ease,background .2s ease}
a:hover{color:var(--copper-deep)}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-alt{background:var(--paper-2)}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,241,232,.94);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);flex:none}
.brand:hover{color:var(--ink)}
.brand-mark{
  position:relative;width:24px;height:24px;border-radius:50%;
  background:radial-gradient(circle at 34% 30%,#D98A3D 0%,var(--copper) 55%,var(--copper-deep) 100%);
  box-shadow:0 4px 10px rgba(182,90,50,.32);
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:26px;height:2px;
  background:var(--copper);border-radius:2px;transform:translate(-50%,-50%) rotate(-38deg);opacity:.5;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.nav{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{
  display:inline-block;padding:8px 12px;font-size:14px;color:var(--ink-2);
  border-radius:999px;transition:all .2s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--ink);background:var(--paper-2)}
.nav-link.active{
  color:var(--copper-deep);background:var(--surface);font-weight:600;
  box-shadow:inset 0 0 0 1px var(--line),0 2px 6px rgba(66,48,32,.06);
}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.search{
  position:relative;display:flex;align-items:center;gap:8px;
  width:238px;height:40px;padding:0 10px 0 12px;
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  transition:border-color .2s,box-shadow .2s;
}
.search:focus-within{border-color:var(--copper);box-shadow:0 0 0 3px rgba(47,111,106,.16)}
.search-icon{
  position:relative;flex:none;width:13px;height:13px;border:1.8px solid var(--ink-2);
  border-radius:50%;opacity:.75;
}
.search-icon::after{
  content:"";position:absolute;right:-4px;bottom:-3px;width:6px;height:1.8px;
  background:var(--ink-2);transform:rotate(45deg);border-radius:2px;
}
.search input{
  flex:1;min-width:0;border:0;background:transparent;font-size:13.5px;outline:none;
  color:var(--ink);line-height:1.4;
}
.search input::placeholder{color:#9A9088}
.search kbd{
  flex:none;font-family:var(--font-sans);font-size:11px;color:var(--ink-2);
  background:var(--paper-2);border:1px solid var(--line);border-radius:6px;
  padding:1px 6px;line-height:1.6;
}
.header-quick{
  font-size:13.5px;color:var(--ink-2);padding:8px 4px;white-space:nowrap;
}
.header-quick:hover{color:var(--copper)}
.header-cta{height:42px;min-height:42px;padding:0 20px;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:16px;height:1.8px;background:var(--ink);border-radius:2px;
  transition:transform .22s ease,opacity .22s ease;
}
.nav-toggle span{top:50%;transform:translate(-50%,-50%)}
.nav-toggle span::before{content:"";left:0;top:-5px;transform:translate(0,0)}
.nav-toggle span::after{content:"";left:0;top:5px}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg)}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg)}

/* ============ 按钮 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease;
}
.btn-primary{background:var(--copper);color:#FFF8F1;box-shadow:0 10px 20px rgba(182,90,50,.22)}
.btn-primary:hover{background:var(--copper-deep);color:#FFF8F1;transform:translateY(-2px);box-shadow:0 14px 26px rgba(142,63,34,.26)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(142,63,34,.24)}
.btn-ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px var(--line)}
.btn-ghost:hover{background:var(--paper-2);color:var(--ink);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#FFF8F1;color:var(--copper-deep)}
.btn-light:hover{background:#fff;color:var(--copper-deep);transform:translateY(-2px)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--green-light);color:var(--green);letter-spacing:.02em;
}
.tag-copper{background:#F7E4D9;color:var(--copper-deep)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.12em;color:var(--copper);
}
.eyebrow::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--copper);flex:none;
}

/* ============ 面包屑 ============ */
.crumb{padding:22px 0 0;font-size:13px;color:var(--ink-2)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:#BEB3A7}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--copper)}
.crumb .current{color:var(--ink);font-weight:600}

/* ============ 分类页 Hero ============ */
.cat-hero{padding:34px 0 80px;position:relative;overflow:hidden}
.cat-hero::before{
  content:"";position:absolute;right:-140px;top:-120px;width:460px;height:460px;
  background:radial-gradient(circle,#EFE6D9 0%,rgba(239,230,217,0) 70%);z-index:0;
}
.cat-hero-grid{
  position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;
  gap:56px;align-items:center;
}
.cat-hero h1{
  font-size:clamp(32px,4.2vw,50px);line-height:1.2;letter-spacing:.01em;
  font-weight:800;margin:18px 0 20px;
}
.cat-hero h1 em{font-style:normal;color:var(--copper-deep)}
.cat-hero .lead{font-size:17px;line-height:1.9;color:var(--ink-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-points{
  display:flex;flex-wrap:wrap;gap:0;margin-top:40px;
  border-top:1px solid var(--line);padding-top:22px;
}
.hero-points li{
  flex:1 1 150px;min-width:130px;padding-right:20px;
}
.hero-points li+li{border-left:1px solid var(--line);padding-left:22px}
.hero-points strong{display:block;font-size:22px;color:var(--copper-deep);line-height:1.4;font-weight:800}
.hero-points span{font-size:13px;color:var(--ink-2)}
.hero-visual{position:relative}
.hero-visual .shot{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);background:var(--surface);
}
.hero-visual .shot img{width:100%;aspect-ratio:5/4;object-fit:cover}
.hero-float{
  position:absolute;left:-16px;bottom:-26px;width:230px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:16px 18px;box-shadow:var(--shadow);
}
.hero-float .label{font-size:12px;color:var(--ink-2);letter-spacing:.06em}
.hero-float .value{font-size:19px;font-weight:800;color:var(--ink);line-height:1.5}
.hero-float .bar{height:5px;border-radius:99px;background:var(--paper-2);margin-top:10px;overflow:hidden}
.hero-float .bar i{display:block;height:100%;width:78%;background:linear-gradient(90deg,var(--copper),var(--amber))}

/* ============ 通用板块标题 ============ */
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head h2{font-size:clamp(26px,3.2vw,38px);line-height:1.3;font-weight:800;margin:14px 0 16px}
.sec-head p{font-size:16px;color:var(--ink-2)}
.sec-head-center{margin-left:auto;margin-right:auto;text-align:center}

/* ============ 分类主体：锚点 + 产品族 ============ */
.cat-layout{display:grid;grid-template-columns:236px minmax(0,1fr);gap:44px;align-items:start}
.anchor-nav{
  position:sticky;top:96px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:20px 18px;box-shadow:var(--shadow);
}
.anchor-nav h3{
  font-size:12.5px;letter-spacing:.14em;color:var(--ink-2);font-weight:700;
  margin-bottom:12px;
}
.anchor-nav li+li{margin-top:2px}
.anchor-nav a{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:10px;font-size:14px;color:var(--ink-2);
  transition:all .18s ease;
}
.anchor-nav a::before{
  content:"";width:4px;height:4px;border-radius:50%;background:#C9BDB0;flex:none;transition:background .18s;
}
.anchor-nav a:hover{background:var(--paper-2);color:var(--ink)}
.anchor-nav a:hover::before{background:var(--copper)}
.anchor-nav .anchor-note{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:12.5px;line-height:1.75;color:var(--ink-2);
}

.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.product-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.product-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D8CBBA}
.product-card .thumb{position:relative;overflow:hidden}
.product-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.product-card:hover .thumb img{transform:scale(1.03)}
.product-card .thumb .tag{position:absolute;left:14px;top:14px;background:rgba(255,253,248,.94);color:var(--copper-deep)}
.product-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.product-card h3{font-size:20px;line-height:1.4;font-weight:700}
.product-card p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.product-card .meta{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:2px;
}
.product-card .meta span{
  font-size:12.5px;color:var(--ink-2);background:var(--paper);border:1px solid var(--line);
  border-radius:8px;padding:3px 10px;
}
.product-card .more{
  margin-top:auto;padding-top:14px;font-size:14px;font-weight:600;color:var(--copper);
  display:inline-flex;align-items:center;gap:6px;
}
.product-card .more::after{content:"→";transition:transform .2s ease}
.product-card .more:hover::after{transform:translateX(3px)}

/* ============ 规格表 ============ */
.table-wrap{
  overflow-x:auto;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow);
  -webkit-overflow-scrolling:touch;
}
table{width:100%;border-collapse:collapse;min-width:820px}
thead th{
  background:var(--paper-2);font-size:12.5px;letter-spacing:.08em;color:var(--ink-2);
  font-weight:700;text-align:left;padding:15px 20px;white-space:nowrap;
}
tbody td{
  padding:16px 20px;font-size:14.5px;border-top:1px solid var(--line);
  color:var(--ink);vertical-align:top;line-height:1.7;
}
tbody td:first-child{font-weight:700}
tbody td .sub{display:block;font-size:12.5px;color:var(--ink-2);font-weight:400;margin-top:2px}
tbody tr{transition:background .18s ease}
tbody tr:hover{background:#FBF6EC}
.table-hint{margin-top:14px;font-size:13px;color:var(--ink-2)}

/* ============ 流程 ============ */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;position:relative}
.flow::before{
  content:"";position:absolute;left:24px;right:24px;top:26px;height:1px;
  background:linear-gradient(90deg,var(--copper) 0%,var(--line) 70%);z-index:0;
}
.flow-item{position:relative;z-index:1;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:24px 22px 26px;box-shadow:var(--shadow)}
.flow-num{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;
  border-radius:50%;background:var(--paper);border:1px solid var(--line);
  color:var(--copper-deep);font-weight:800;font-size:15px;letter-spacing:.02em;
  margin-bottom:16px;
}
.flow-item h3{font-size:17.5px;font-weight:700;margin-bottom:8px}
.flow-item p{font-size:14px;color:var(--ink-2);line-height:1.8}

/* ============ 图文交替 ============ */
.split{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.split.reverse{grid-template-columns:7fr 5fr}
.split-text h2{font-size:clamp(24px,2.8vw,34px);line-height:1.32;font-weight:800;margin:14px 0 16px}
.split-text p{color:var(--ink-2);font-size:15.5px}
.check-list{margin-top:22px;display:grid;gap:12px}
.check-list li{position:relative;padding-left:28px;font-size:15px;color:var(--ink)}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:8px;
  border-left:2.2px solid var(--green);border-bottom:2.2px solid var(--green);
  transform:rotate(-45deg);border-radius:1px;
}
.split-media{position:relative}
.split-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-lg);
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.pillars{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:26px}
.pillar{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 20px}
.pillar strong{display:block;font-size:15px;margin-bottom:4px}
.pillar span{font-size:13.5px;color:var(--ink-2);line-height:1.75}

/* ============ FAQ ============ */
.faq{max-width:860px;margin:0 auto}
.faq-item{
  border-bottom:1px solid var(--line);transition:box-shadow .2s ease,background .2s ease;
}
.faq-item[open]{box-shadow:inset 3px 0 0 var(--copper);background:rgba(255,253,248,.7)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 16px 22px 18px;font-size:16px;font-weight:700;color:var(--ink);
  cursor:pointer;list-style:none;line-height:1.6;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q:hover{color:var(--copper-deep)}
.faq-icon{position:relative;flex:none;width:22px;height:22px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--copper);border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{left:0;right:0;top:10px;height:2px}
.faq-icon::after{top:0;bottom:0;left:10px;width:2px}
.faq-item[open] .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{padding:0 46px 24px 18px;font-size:15px;color:var(--ink-2);line-height:1.9}

/* ============ CTA ============ */
.cta-block{
  background:var(--dark);border-radius:24px;padding:56px 56px;
  display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;
  position:relative;overflow:hidden;border:1px solid #322B26;
}
.cta-block::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(182,90,50,.42) 0%,rgba(182,90,50,0) 68%);
}
.cta-block h2{color:#FFF8F1;font-size:clamp(24px,3vw,34px);line-height:1.32;font-weight:800;margin:14px 0 14px}
.cta-block p{color:#C9BFB6;font-size:15.5px;max-width:520px}
.cta-block .eyebrow{color:var(--amber)}
.cta-block .eyebrow::before{background:var(--amber)}
.cta-side{position:relative;z-index:1;display:flex;flex-direction:column;gap:14px}
.cta-side .btn{width:100%}
.cta-side .mini{
  font-size:13px;color:#9A9088;text-align:center;line-height:1.8;
}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#D6CCC3;margin-top:0}
.foot-top{height:3px;background:linear-gradient(90deg,var(--copper) 0%,var(--amber) 45%,#4A3C32 100%)}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 44px;
}
.footer-brand .brand{color:#FFF8F1;margin-bottom:16px}
.footer-brand .brand-text{color:#FFF8F1}
.footer-brand p{font-size:14px;line-height:1.9;color:#A79C92;max-width:330px}
.footer-col h4{font-size:13px;letter-spacing:.12em;color:#8E837A;margin-bottom:16px;font-weight:700}
.footer-col ul li+li{margin-top:10px}
.footer-col a{font-size:14px;color:#D6CCC3}
.footer-col a:hover{color:var(--amber)}
.footer-col p{font-size:14px;line-height:1.95;color:#A79C92}
.footer-bottom{
  border-top:1px solid #332C27;padding:22px 0 30px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12.5px;color:#8E837A;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 22px}
  .cat-hero-grid{gap:40px}
  .cat-layout{grid-template-columns:210px minmax(0,1fr);gap:32px}
  .section{padding:84px 0}
}
@media (max-width:991px){
  .header-inner{height:64px;gap:12px}
  .nav{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:2px;margin:0;
    background:var(--surface);border-bottom:1px solid var(--line);
    padding:12px 20px 18px;box-shadow:0 20px 34px rgba(66,48,32,.14);
  }
  .nav.open{display:flex}
  .nav-link{padding:12px 14px;border-radius:12px;font-size:15px}
  .nav-toggle{display:block;order:3}
  .header-tools{margin-left:auto;gap:10px}
  .search{width:170px}
  .header-quick{display:none}
  .cat-hero{padding:24px 0 64px}
  .cat-hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{max-width:560px}
  .hero-float{left:auto;right:12px;bottom:-22px;width:210px}
  .cat-layout{grid-template-columns:1fr;gap:28px}
  .anchor-nav{position:static}
  .anchor-nav ul{display:flex;flex-wrap:wrap;gap:6px}
  .anchor-nav li+li{margin-top:0}
  .anchor-nav a{padding:7px 12px;background:var(--paper);border:1px solid var(--line)}
  .anchor-nav .anchor-note{display:none}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow::before{display:none}
  .split,.split.reverse{grid-template-columns:1fr;gap:32px}
  .split.reverse .split-media{order:-1}
  .cta-block{grid-template-columns:1fr;padding:40px 32px;gap:28px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;padding:52px 0 36px}
  .section{padding:68px 0}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .search{display:none}
  .brand-text{font-size:16px}
  .hero-points{margin-top:30px}
  .hero-points li{flex:1 1 100%;padding:12px 0;border-left:0!important;padding-left:0!important}
  .hero-points li+li{border-top:1px solid var(--line)}
  .product-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .pillars{grid-template-columns:1fr}
  .faq-q{font-size:15.5px;padding:18px 12px 18px 14px;gap:14px}
  .faq-a{padding:0 14px 22px 14px;font-size:14.5px}
  .section{padding:56px 0}
  .footer-bottom{flex-direction:column}
  .hero-float{position:static;width:100%;margin-top:16px}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .cat-hero h1{font-size:30px}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .header-cta{display:none}
  .cta-block{padding:32px 22px;border-radius:18px}
  tbody td,thead th{padding:13px 14px}
}

/* roulang page: category2 */
:root{
  --paper:#F6F1E8;
  --paper-2:#EFE6D9;
  --surface:#FFFDF8;
  --copper:#B65A32;
  --copper-dark:#8E3F22;
  --green:#2F6F6A;
  --green-soft:#DCEBE7;
  --amber:#D98A3D;
  --ink:#221E1B;
  --muted:#6B625B;
  --line:#E5DCD0;
  --dark:#1F1B18;
  --err:#B43A2F;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --sh:0 12px 28px rgba(66,48,32,.08);
  --sh-hover:0 18px 34px rgba(66,48,32,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.01em;line-height:1.3}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--green);outline-offset:3px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,241,232,.94);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:26px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--ink);white-space:nowrap}
.brand-mark{position:relative;width:16px;height:16px;border-radius:50%;background:var(--copper);flex:0 0 auto}
.brand-mark::after{content:"";position:absolute;inset:5px;border-radius:50%;background:var(--paper)}
.brand-text{letter-spacing:.01em}
.nav{display:flex;align-items:center;gap:2px;margin-right:auto}
.nav-link{
  padding:8px 12px;border-radius:var(--r-pill);
  font-size:14px;color:var(--muted);font-weight:500;
  transition:color .18s var(--ease),background .18s var(--ease);
  white-space:nowrap;
}
.nav-link:hover{color:var(--ink);background:var(--paper-2)}
.nav-link.active{color:var(--copper-dark);background:rgba(182,90,50,.1);font-weight:700}
.nav-link:focus-visible{outline:2px solid var(--green);outline-offset:2px}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.search-btn{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 12px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  background:var(--surface);color:var(--muted);font-size:13px;
  transition:border-color .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease);
}
.search-btn:hover{border-color:var(--copper);color:var(--copper-dark);box-shadow:var(--sh)}
.search-btn svg{width:15px;height:15px;flex:0 0 auto}
.search-btn kbd{
  font-family:inherit;font-size:11px;line-height:1.6;padding:0 5px;
  border:1px solid var(--line);border-radius:5px;background:var(--paper-2);color:var(--muted);
}
.ghost-link{font-size:14px;color:var(--muted);padding:6px 4px;transition:color .18s var(--ease)}
.ghost-link:hover{color:var(--copper-dark);text-decoration:underline;text-underline-offset:3px}
.menu-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border:1px solid var(--line);border-radius:12px;
  background:var(--surface);color:var(--ink);
}
.menu-toggle span{display:block;width:16px;height:2px;background:currentColor;position:relative}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;transition:transform .2s var(--ease)
}
.menu-toggle span::before{top:-5px}
.menu-toggle span::after{top:5px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn-primary{background:var(--copper);color:#FFF8F1}
.btn-primary:hover{background:var(--copper-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(142,63,34,.24)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{background:var(--paper-2);border-color:#D6C9B8;transform:translateY(-2px)}
.btn-ghost:active{transform:none}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- hero ---------- */
.hero{position:relative;padding:44px 0 84px;overflow:hidden}
.hero::before{
  content:"";position:absolute;right:-160px;top:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(217,138,61,.18),rgba(246,241,232,0) 68%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px;flex-wrap:wrap}
.crumb a{transition:color .18s var(--ease)}
.crumb a:hover{color:var(--copper-dark);text-decoration:underline;text-underline-offset:3px}
.crumb .sep{color:#C9BCAC}
.crumb strong{color:var(--ink);font-weight:700}
.hero h1{font-size:clamp(34px,4.4vw,52px);line-height:1.18;letter-spacing:.005em}
.hero h1 em{font-style:normal;color:var(--copper-dark)}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.85;color:var(--muted);max-width:580px}
.hero-cta{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.hero-points{
  display:flex;gap:32px;flex-wrap:wrap;margin-top:34px;padding-top:22px;border-top:1px solid var(--line);
}
.hero-point{font-size:13.5px;color:var(--muted);line-height:1.5}
.hero-point b{display:block;font-size:24px;color:var(--ink);font-weight:800;line-height:1.3;letter-spacing:.01em}
.hero-visual{position:relative}
.hero-img{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh);aspect-ratio:4/3;background:var(--paper-2);
}
.hero-img img{width:100%;height:100%;object-fit:cover}
.hero-float{
  position:absolute;left:-24px;bottom:22px;max-width:250px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 18px;box-shadow:var(--sh-hover);
}
.hero-float span{display:block;font-size:12px;letter-spacing:.08em;color:var(--copper);font-weight:700}
.hero-float strong{display:block;margin-top:4px;font-size:15px;line-height:1.6;color:var(--ink)}
.hero-float small{display:block;margin-top:6px;font-size:12.5px;color:var(--muted)}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-alt{background:var(--paper-2)}
.section-head{max-width:740px;margin-bottom:44px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--copper);letter-spacing:.08em}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--copper);border-radius:2px}
.section-head h2{margin-top:14px;font-size:clamp(26px,3vw,38px);line-height:1.3}
.section-head p{margin-top:14px;font-size:16px;color:var(--muted);max-width:660px}

/* friction list */
.friction{border-top:1px solid var(--line)}
.friction-item{
  display:grid;grid-template-columns:78px 1fr;gap:24px;align-items:start;
  padding:26px 10px;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease),padding-left .2s var(--ease);
}
.friction-item:hover{background:rgba(255,253,248,.8);padding-left:18px}
.friction-num{
  font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--copper);
  border-left:3px solid var(--copper);padding-left:12px;line-height:1.4;padding-top:4px;
}
.friction-item h3{font-size:19px;font-weight:700;line-height:1.5}
.friction-item p{margin-top:6px;font-size:15px;color:var(--muted)}

/* flow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.flow::before{
  content:"";position:absolute;top:38px;left:8%;right:8%;height:1px;
  background:linear-gradient(90deg,rgba(182,90,50,.12),rgba(182,90,50,.5),rgba(182,90,50,.12));
}
.flow-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px 22px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.flow-card:hover{transform:translateY(-3px);border-color:#D9C4AE;box-shadow:var(--sh-hover)}
.flow-step{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:50%;background:var(--green-soft);
  border:1px solid rgba(47,111,106,.22);color:var(--green);
  font-size:13.5px;font-weight:800;letter-spacing:.04em;
}
.flow-card h3{margin-top:16px;font-size:19px}
.flow-card p{margin-top:8px;font-size:14.5px;color:var(--muted);line-height:1.8}

/* split rows */
.split{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;padding:40px 0}
.split + .split{border-top:1px solid var(--line)}
.split.rev{grid-template-columns:7fr 5fr}
.split.rev .split-media{order:2}
.split-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh);aspect-ratio:16/10;background:var(--paper-2)}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-index{font-size:12.5px;font-weight:800;letter-spacing:.14em;color:var(--copper)}
.split-text h3{margin-top:10px;font-size:24px;line-height:1.4}
.split-text p{margin-top:12px;font-size:15.5px;color:var(--muted)}
.tick-list{margin-top:18px;display:grid;gap:10px}
.tick-list li{position:relative;padding-left:26px;font-size:15px;color:var(--ink);line-height:1.75}
.tick-list li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:14px;border-radius:50%;
  background:var(--green-soft);border:1px solid rgba(47,111,106,.3);
}
.tick-list li::after{
  content:"";position:absolute;left:4.5px;top:13px;width:5px;height:5px;border-radius:50%;background:var(--green);
}

/* table */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--surface);-webkit-overflow-scrolling:touch;
}
table{width:100%;border-collapse:collapse;min-width:680px;font-size:15px}
thead th{
  background:var(--paper-2);text-align:left;padding:14px 18px;
  font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--muted);
  border-bottom:1px solid var(--line);white-space:nowrap;
}
tbody td{padding:16px 18px;border-bottom:1px solid var(--line);color:var(--ink);vertical-align:top}
tbody td:first-child{font-weight:700}
tbody tr:last-child td{border-bottom:0}
tbody tr{transition:background .18s var(--ease)}
tbody tr:hover{background:rgba(239,230,217,.55)}
.table-note{margin-top:14px;font-size:13px;color:var(--muted)}

/* metrics */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
}
.metric{background:var(--surface);padding:26px 22px;transition:background .2s var(--ease)}
.metric:hover{background:#FFFBF3}
.metric b{display:block;font-size:30px;line-height:1.25;color:var(--copper-dark);letter-spacing:.01em}
.metric span{display:block;margin-top:6px;font-size:14px;color:var(--muted);line-height:1.6}

/* faq */
.faq{max-width:860px;margin:0 auto;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;position:relative;cursor:pointer;
  padding:22px 46px 22px 20px;font-size:16.5px;font-weight:700;line-height:1.6;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;border-radius:3px;
  background:var(--copper);opacity:0;transition:opacity .2s var(--ease);
}
.faq summary::after{
  content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;line-height:1;color:var(--copper);
  transition:transform .25s var(--ease),color .2s var(--ease);
}
.faq summary:hover{color:var(--copper-dark);background:rgba(255,253,248,.7)}
.faq details[open] summary::before{opacity:1}
.faq details[open] summary::after{content:"−";color:var(--copper-dark)}
.faq .faq-a{padding:0 46px 24px 20px;font-size:15px;color:var(--muted);line-height:1.85}

/* cta band */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--dark);color:#F6EFE6;border-radius:22px;
  padding:52px;display:grid;grid-template-columns:6fr 5fr;gap:44px;align-items:start;
  box-shadow:0 24px 48px rgba(31,27,24,.22);
}
.cta-band::before{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,138,61,.28),rgba(31,27,24,0) 70%);
}
.cta-band h2{font-size:clamp(26px,2.8vw,34px);line-height:1.32;color:#FFF7EE;position:relative}
.cta-band p{margin-top:14px;font-size:15px;color:rgba(246,239,230,.72);max-width:420px;position:relative}
.cta-points{margin-top:22px;display:grid;gap:10px;position:relative}
.cta-points li{position:relative;padding-left:22px;font-size:14.5px;color:rgba(246,239,230,.82)}
.cta-points li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;
  background:var(--amber);
}
.lead-form{position:relative;background:rgba(255,253,248,.05);border:1px solid rgba(246,239,230,.16);border-radius:var(--r-lg);padding:24px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:grid;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;color:rgba(246,239,230,.72);font-weight:600;letter-spacing:.02em}
.field input,.field textarea{
  width:100%;background:rgba(255,253,248,.07);border:1px solid rgba(246,239,230,.2);
  border-radius:var(--r-sm);padding:0 14px;height:48px;color:#FFF7EE;font-size:15px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
}
.field textarea{height:112px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(246,239,230,.4)}
.field input:hover,.field textarea:hover{border-color:rgba(246,239,230,.36)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--amber);background:rgba(255,253,248,.1);
  box-shadow:0 0 0 3px rgba(217,138,61,.22);
}
.form-actions{margin-top:16px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.form-note{font-size:12.5px;color:rgba(246,239,230,.5);line-height:1.7}
.lead-form .btn-primary{background:var(--copper);width:100%}
.lead-form .btn-primary:hover{background:#C86A3E}

/* search layer */
.search-layer{
  position:fixed;inset:0;z-index:90;display:flex;justify-content:center;
  padding:96px 20px 40px;background:rgba(31,27,24,.52);
  -webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);
}
.search-layer[hidden]{display:none}
.search-panel{
  width:100%;max-width:620px;height:max-content;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:0 28px 64px rgba(33,26,20,.3);padding:22px;
}
.search-field{
  display:flex;align-items:center;gap:10px;height:52px;padding:0 12px 0 14px;
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--paper);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search-field:focus-within{border-color:var(--copper);box-shadow:0 0 0 3px rgba(47,111,106,.2)}
.search-field svg{width:17px;height:17px;color:var(--muted);flex:0 0 auto}
.search-field input{flex:1;border:0;background:transparent;outline:none;font-size:16px;color:var(--ink);min-width:0}
.search-field input::placeholder{color:#A79B90}
.search-close{
  border:1px solid var(--line);background:var(--surface);color:var(--muted);
  border-radius:8px;font-size:12px;padding:4px 8px;line-height:1.6;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.search-close:hover{color:var(--copper-dark);border-color:var(--copper)}
.search-block-title{margin:20px 0 10px;font-size:12px;letter-spacing:.1em;color:var(--muted);font-weight:700}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--paper);color:var(--muted);font-size:13px;
  transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease);
}
.tag:hover{border-color:var(--copper);color:var(--copper-dark);background:rgba(182,90,50,.07)}
.search-empty{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--muted);line-height:1.75;
}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#E9E1D6}
.foot-top{height:3px;background:linear-gradient(90deg,var(--copper),var(--amber),var(--green))}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:36px;padding:56px 0 40px}
.site-footer .brand{color:#FFF7EE}
.site-footer .brand-mark::after{background:var(--dark)}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.85;color:rgba(233,225,214,.66);max-width:350px}
.footer-col h4{margin-bottom:14px;font-size:14px;letter-spacing:.06em;color:#FFF7EE}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col p{font-size:14px;color:rgba(233,225,214,.7);line-height:1.8;transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--amber);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:18px 0 28px;border-top:1px solid rgba(233,225,214,.14);
  font-size:13px;color:rgba(233,225,214,.5);line-height:1.8;
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero-grid{gap:36px}
  .flow{gap:16px}
  .split,.split.rev{gap:34px}
}
@media (max-width:991px){
  .header-inner{height:64px;gap:14px}
  .menu-toggle{display:inline-flex}
  .nav{
    position:fixed;left:0;right:0;top:64px;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:18px 20px 24px;margin:0;
    background:var(--surface);border-bottom:1px solid var(--line);
    box-shadow:0 22px 40px rgba(66,48,32,.14);
    transform:translateY(-10px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
    max-height:calc(100vh - 64px);overflow-y:auto;z-index:70;
  }
  .nav.is-open{transform:none;opacity:1;visibility:visible;pointer-events:auto}
  .nav-link{padding:13px 14px;font-size:15px;border-radius:12px}
  .search-btn span,.search-btn kbd{display:none}
  .search-btn{width:40px;height:40px;justify-content:center;padding:0;border-radius:12px}
  .hero{padding:32px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-visual{order:2}
  .hero-float{left:auto;right:14px;bottom:14px;max-width:220px}
  .section{padding:64px 0}
  .section-head{margin-bottom:34px}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow::before{display:none}
  .split,.split.rev{grid-template-columns:1fr;gap:24px;padding:32px 0}
  .split.rev .split-media{order:0}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr;padding:34px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 32px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:767px){
  .hero h1{font-size:clamp(30px,7.4vw,38px)}
  .hero-sub{font-size:16px}
  .hero-cta .btn{flex:1 1 160px}
  .hero-points{gap:20px}
  .hero-point b{font-size:21px}
  .section{padding:52px 0}
  .friction-item{grid-template-columns:56px 1fr;gap:14px;padding:22px 4px}
  .friction-item:hover{padding-left:4px}
  .flow{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .cta-band{padding:26px;border-radius:18px}
  .faq summary{font-size:15.5px;padding:18px 42px 18px 16px}
  .faq .faq-a{padding:0 42px 20px 16px}
  .footer-bottom{flex-direction:column;gap:8px}
  .search-layer{padding:72px 14px 30px}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .ghost-link{display:none}
  .hero-points{gap:16px 22px}
  .metrics{grid-template-columns:1fr 1fr}
  .metric{padding:20px 16px}
  .metric b{font-size:26px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .hero-float{position:static;margin-top:14px;max-width:none}
  .brand{font-size:16px}
}

/* roulang page: category3 */
:root{
  --paper:#F6F1E8;
  --paper-2:#EFE6D9;
  --surface:#FFFDF8;
  --copper:#B65A32;
  --copper-dark:#8E3F22;
  --green:#2F6F6A;
  --green-light:#DCEBE7;
  --amber:#D98A3D;
  --ink:#221E1B;
  --muted:#6B625B;
  --line:#E5DCD0;
  --dark:#1F1B18;
  --danger:#B43A2F;
  --radius-lg:18px;
  --radius-md:16px;
  --radius-sm:14px;
  --radius-pill:999px;
  --shadow:0 12px 28px rgba(66,48,32,.08);
  --shadow-soft:0 6px 16px rgba(66,48,32,.06);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-serif:"Noto Serif SC","Songti SC",Georgia,serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -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,background-color .2s ease,border-color .2s ease,transform .2s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.3;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--alt{background:var(--paper-2);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(246,241,232,.96);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:20px;
  height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  position:relative;width:26px;height:26px;border-radius:50%;
  background:linear-gradient(140deg,var(--copper),var(--copper-dark));
  flex:none;
}
.brand-mark::before{
  content:"";position:absolute;left:6px;right:6px;top:9px;height:8px;
  border-top:2px solid #FFFDF8;border-bottom:2px solid #FFFDF8;
}
.brand-text{
  font-size:18px;font-weight:700;letter-spacing:.02em;color:var(--ink);white-space:nowrap;
}
.nav{
  display:flex;align-items:center;gap:2px;flex:1;justify-content:center;flex-wrap:nowrap;
}
.nav-link{
  padding:8px 12px;font-size:14px;line-height:1.4;color:var(--muted);
  border-radius:var(--radius-pill);white-space:nowrap;
}
.nav-link:hover{background:var(--paper-2);color:var(--ink);}
.nav-link.active{color:var(--copper-dark);background:rgba(182,90,50,.10);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:10px;flex:none;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:236px;height:40px;padding:0 12px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-pill);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box i{color:var(--muted);font-size:13px;}
.search-box input{
  border:0;background:transparent;width:100%;font-size:13.5px;outline:none;color:var(--ink);
}
.search-box input::placeholder{color:#9C938B;}
.search-box:focus-within{border-color:var(--copper);box-shadow:0 0 0 3px rgba(47,111,106,.18);}
.kbd{
  font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:6px;
  padding:1px 5px;line-height:1.5;background:var(--paper);
}
.quick-link{font-size:14px;color:var(--muted);padding:6px 4px;}
.quick-link:hover{color:var(--copper);}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);color:var(--ink);
  align-items:center;justify-content:center;font-size:16px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--copper);color:#FFF7F0;border:1px solid var(--copper);}
.btn-primary:hover{background:var(--copper-dark);border-color:var(--copper-dark);transform:translateY(-2px);}
.btn-primary:active{transform:none;background:var(--copper-dark);}
.btn-secondary{background:transparent;color:var(--ink);border:1px solid var(--line);}
.btn-secondary:hover{background:var(--paper-2);border-color:#D6C9B8;transform:translateY(-2px);}
.btn-secondary:active{transform:none;}
.btn-ghost-light{background:transparent;color:#FFF7F0;border:1px solid rgba(255,247,240,.45);}
.btn-ghost-light:hover{background:rgba(255,247,240,.12);border-color:rgba(255,247,240,.75);transform:translateY(-2px);}
.btn-light{background:#FFF7F0;color:var(--copper-dark);border:1px solid #FFF7F0;}
.btn-light:hover{background:#FFFFFF;transform:translateY(-2px);}

/* ---------- Tags & chips ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  background:var(--green-light);color:var(--green);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.chip{
  display:inline-block;padding:3px 10px;border-radius:var(--radius-pill);
  background:var(--paper-2);color:var(--copper-dark);
  font-size:12.5px;font-weight:600;line-height:1.7;
}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--copper);margin-bottom:14px;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);padding:22px 0 0;
}
.breadcrumb a:hover{color:var(--copper);}
.breadcrumb .sep{color:#C4B8AA;}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  background:
    radial-gradient(900px 420px at 88% 6%,rgba(217,138,61,.14),transparent 70%),
    var(--paper);
  padding-bottom:72px;
  overflow:hidden;
}
.hero-grid{
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
  margin-top:34px;
}
.hero-copy h1{
  font-size:clamp(36px,4.6vw,54px);
  line-height:1.18;letter-spacing:.005em;margin:16px 0 18px;
}
.hero-sub{
  font-size:17px;color:var(--muted);line-height:1.85;max-width:34em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.trust-list{
  display:flex;flex-wrap:wrap;gap:0;margin-top:34px;
  border-top:1px solid var(--line);padding-top:20px;
}
.trust-list li{
  padding-right:26px;margin-right:26px;border-right:1px solid var(--line);
  font-size:13px;color:var(--muted);line-height:1.6;
}
.trust-list li:last-child{border-right:0;margin-right:0;padding-right:0;}
.trust-list b{display:block;font-size:19px;color:var(--ink);font-weight:700;letter-spacing:.01em;}

.hero-media{position:relative;}
.media-main{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);aspect-ratio:5/4;background:var(--paper-2);
}
.media-main img{width:100%;height:100%;object-fit:cover;}
.media-sub{
  position:absolute;right:-14px;bottom:-24px;width:52%;
  border-radius:var(--radius-sm);overflow:hidden;border:4px solid var(--surface);
  box-shadow:var(--shadow);aspect-ratio:4/3;background:var(--paper-2);
}
.media-sub img{width:100%;height:100%;object-fit:cover;}
.media-card{
  position:absolute;left:-18px;top:26px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  box-shadow:var(--shadow-soft);padding:14px 18px;max-width:196px;
}
.media-card span{display:block;font-size:12px;color:var(--muted);letter-spacing:.06em;}
.media-card b{display:block;font-size:24px;color:var(--copper-dark);line-height:1.3;margin-top:2px;}
.media-card em{display:block;font-style:normal;font-size:12px;color:var(--muted);margin-top:2px;}

/* ---------- Quote band ---------- */
.quote-band{
  position:relative;color:#FFF7F0;overflow:hidden;
  background:var(--dark);
}
.quote-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.34;
}
.quote-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(31,27,24,.94) 0%,rgba(31,27,24,.72) 62%,rgba(31,27,24,.5) 100%);
}
.quote-inner{position:relative;z-index:1;padding:88px 0;}
.quote-mark{font-family:var(--font-serif);font-size:64px;line-height:1;color:var(--amber);opacity:.85;}
.quote-text{
  font-family:var(--font-serif);font-size:clamp(20px,2.4vw,29px);line-height:1.72;
  max-width:940px;margin:10px 0 28px;letter-spacing:.01em;
}
.quote-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:14px;color:rgba(255,247,240,.76);}
.quote-meta .dot{width:6px;height:6px;border-radius:50%;background:var(--amber);}

/* ---------- Metrics ---------- */
.metric-band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.metric-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
}
.metric-item{
  padding:34px 26px;border-right:1px solid var(--line);
}
.metric-item:last-child{border-right:0;}
.metric-item b{
  display:block;font-size:clamp(28px,3.2vw,38px);line-height:1.2;color:var(--copper-dark);font-weight:700;
}
.metric-item span{display:block;font-size:13.5px;color:var(--muted);margin-top:6px;}

/* ---------- Section head ---------- */
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2{font-size:clamp(26px,3.2vw,38px);line-height:1.3;margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;line-height:1.85;}

/* ---------- Case grid ---------- */
.case-grid{
  display:grid;grid-template-columns:repeat(12,1fr);gap:24px;
}
.case-card{
  grid-column:span 5;
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-soft);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.case-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#D8CBBa;}
.case-card--wide{grid-column:span 7;}
.case-media{aspect-ratio:16/10;overflow:hidden;background:var(--paper-2);}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.case-card:hover .case-media img{transform:scale(1.03);}
.case-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.case-body h3{font-size:21px;line-height:1.4;}
.case-body p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.case-stats{display:flex;flex-wrap:wrap;gap:22px;margin-top:2px;}
.case-stats li{line-height:1.5;}
.case-stats b{display:block;font-size:20px;color:var(--copper-dark);}
.case-stats span{font-size:12.5px;color:var(--muted);}
.link-more{
  margin-top:auto;font-size:14px;font-weight:600;color:var(--green);
  display:inline-flex;align-items:center;gap:6px;padding-top:8px;
}
.link-more:hover{color:var(--copper);gap:10px;}

.case-card--row{grid-column:span 7;flex-direction:row;}
.case-card--row .case-media{width:44%;aspect-ratio:auto;flex:none;}
.case-card--row .case-body{padding:24px 26px;}

.case-list{
  grid-column:span 12;
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-soft);
}
.case-row{
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:24px 26px;border-right:1px solid var(--line);
  transition:background-color .2s ease;
}
.case-row:last-child{border-right:0;}
.case-row:hover{background:var(--paper);}
.case-row h3{font-size:17px;line-height:1.45;margin-bottom:6px;}
.case-row p{font-size:13.5px;color:var(--muted);line-height:1.7;}
.case-row .row-meta{display:flex;flex-direction:column;align-items:flex-end;gap:6px;flex:none;text-align:right;}
.case-row .row-meta small{font-size:12px;color:var(--muted);}

/* ---------- Flow ---------- */
.flow{
  display:grid;grid-template-columns:repeat(5,1fr);gap:0;
  border-top:2px solid var(--line);margin-top:8px;
}
.flow li{
  position:relative;padding:26px 22px 0 0;
}
.flow li::before{
  content:"";position:absolute;left:0;top:-7px;width:12px;height:12px;border-radius:50%;
  background:var(--copper);box-shadow:0 0 0 4px var(--paper);
}
.flow-num{
  display:block;font-size:12.5px;font-weight:700;letter-spacing:.12em;color:var(--copper);
  margin-bottom:8px;
}
.flow h3{font-size:17px;margin-bottom:8px;}
.flow p{font-size:13.5px;color:var(--muted);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.faq-item{border-bottom:1px solid var(--line);position:relative;}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:22px 0 22px 0;text-align:left;
  font-size:16px;font-weight:700;line-height:1.6;color:var(--ink);
  transition:color .2s ease,padding-left .2s ease;
}
.faq-item.open .faq-q{color:var(--copper-dark);padding-left:14px;}
.faq-item.open::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;border-radius:2px;
  background:var(--copper);
}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--copper-dark);background:var(--surface);
  transition:transform .25s ease,background-color .25s ease,color .25s ease;
  margin-top:2px;
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--copper);color:#FFF7F0;border-color:var(--copper);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 46px 24px 14px;font-size:15px;color:var(--muted);line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{background:var(--dark);color:#FFF7F0;position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(700px 360px at 82% 20%,rgba(182,90,50,.42),transparent 70%);
}
.cta-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
  padding:80px 0;
}
.cta-inner h2{font-size:clamp(26px,3.2vw,38px);line-height:1.32;margin-bottom:16px;}
.cta-inner p{color:rgba(255,247,240,.76);font-size:15.5px;line-height:1.85;max-width:34em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
.cta-contact{
  margin-top:22px;font-size:13.5px;color:rgba(255,247,240,.66);
  display:flex;flex-wrap:wrap;gap:18px;
}
.cta-contact b{color:#FFF7F0;font-weight:600;}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,247,240,.82);}
.foot-top{height:3px;background:linear-gradient(90deg,var(--copper),var(--amber),var(--green));}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 44px;
}
.footer-brand .brand-text{color:#FFF7F0;}
.footer-brand p{
  margin-top:16px;font-size:13.5px;line-height:1.85;color:rgba(255,247,240,.66);max-width:30em;
}
.footer-col h4{
  font-size:14px;color:#FFF7F0;margin-bottom:16px;letter-spacing:.04em;font-weight:700;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:13.5px;color:rgba(255,247,240,.72);}
.footer-col a:hover{color:var(--amber);}
.footer-col p{font-size:13.5px;line-height:1.9;color:rgba(255,247,240,.72);}
.footer-bottom{
  border-top:1px solid rgba(255,247,240,.14);
  padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:rgba(255,247,240,.55);
}

/* ---------- Mobile drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:200;background:var(--surface);
  display:flex;flex-direction:column;padding:18px 20px 26px;
  transform:translateY(-102%);visibility:hidden;
  transition:transform .3s ease,visibility .3s ease;
  overflow-y:auto;
}
.drawer.open{transform:none;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;color:var(--ink);
}
.drawer-search{
  display:flex;align-items:center;gap:8px;margin:16px 0 8px;height:44px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--radius-pill);background:var(--paper);
}
.drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;}
.drawer-search i{color:var(--muted);font-size:13px;}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px;}
.drawer-nav a{
  padding:14px 4px;font-size:15.5px;border-bottom:1px solid var(--line);color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer-nav a.active{color:var(--copper-dark);font-weight:700;}
.drawer-nav a i{font-size:12px;color:var(--muted);}
.drawer-cta{margin-top:22px;width:100%;}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 20px;}
  .hero-grid{gap:34px;}
  .nav-link{padding:8px 9px;font-size:13.5px;}
  .search-box{width:190px;}
  .footer-grid{gap:32px;}
}
@media (max-width:991px){
  .search-box,.quick-link{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-inner{height:64px;gap:12px;}
  .nav{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-media{max-width:560px;}
  .media-sub{right:0;bottom:-18px;width:46%;}
  .media-card{left:0;top:16px;}
  .metric-grid{grid-template-columns:1fr 1fr;}
  .metric-item{border-bottom:1px solid var(--line);}
  .metric-item:nth-child(2n){border-right:0;}
  .metric-item:nth-child(n+3){border-bottom:0;}
  .case-card,.case-card--wide,.case-card--row{grid-column:span 12;}
  .case-card--row{flex-direction:column;}
  .case-card--row .case-media{width:100%;aspect-ratio:16/10;}
  .case-list{grid-template-columns:1fr;}
  .case-row{border-right:0;border-bottom:1px solid var(--line);}
  .case-row:last-child{border-bottom:0;}
  .flow{grid-template-columns:1fr 1fr;gap:0 24px;border-top:0;}
  .flow li{border-top:1px solid var(--line);padding-top:22px;padding-right:0;}
  .flow li::before{top:-7px;}
  .cta-inner{grid-template-columns:1fr;gap:28px;padding:64px 0;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 36px;}
  .section{padding:76px 0;}
  .quote-inner{padding:68px 0;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:58px 0;}
  .section--tight{padding:46px 0;}
  .page-hero{padding-bottom:54px;}
  .hero-copy h1{font-size:34px;}
  .hero-sub{font-size:15.5px;}
  .trust-list{gap:0;flex-direction:column;border-top:1px solid var(--line);}
  .trust-list li{
    border-right:0;border-bottom:1px solid var(--line);
    padding:12px 0;margin-right:0;display:flex;align-items:baseline;gap:10px;
  }
  .trust-list li:last-child{border-bottom:0;}
  .trust-list b{font-size:17px;display:inline;}
  .case-grid{gap:18px;}
  .case-body{padding:20px;}
  .case-card--row .case-body{padding:20px;}
  .case-row{padding:20px;flex-direction:column;gap:10px;}
  .case-row .row-meta{align-items:flex-start;text-align:left;flex-direction:row;gap:10px;}
  .flow{grid-template-columns:1fr;}
  .faq-a p{padding-right:12px;}
  .btn{width:100%;}
  .hero-actions .btn,.cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .quote-text{font-size:20px;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .brand-text{font-size:16px;}
  .hero-copy h1{font-size:30px;}
  .media-card{padding:10px 14px;max-width:160px;}
  .media-card b{font-size:19px;}
  .metric-item{padding:24px 16px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .case-media{aspect-ratio:4/3;}
}

/* roulang page: category4 */
:root{
  --paper:#F6F1E8;
  --paper-2:#EFE6D9;
  --surface:#FFFDF8;
  --copper:#B65A32;
  --copper-deep:#8E3F22;
  --green:#2F6F6A;
  --green-light:#DCEBE7;
  --amber:#D98A3D;
  --ink:#221E1B;
  --muted:#6B625B;
  --line:#E5DCD0;
  --dark:#1F1B18;
  --danger:#B43A2F;
  --ok:#2F6F6A;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-sm:0 2px 8px rgba(66,48,32,.05);
  --shadow:0 12px 28px rgba(66,48,32,.08);
  --shadow-lg:0 18px 40px rgba(66,48,32,.13);
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-md);}
a{color:var(--copper);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--copper-deep);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:1.1em;}
h1,h2,h3,h4{line-height:1.3;letter-spacing:.01em;font-weight:700;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(250,246,239,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  min-height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);flex:0 0 auto;}
.brand:hover{color:var(--copper-deep);}
.brand-mark{
  position:relative;width:22px;height:22px;border-radius:50%;
  background:var(--copper);flex:0 0 auto;
  box-shadow:0 0 0 4px rgba(182,90,50,.12);
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:-5px;width:2px;height:32px;
  background:var(--amber);opacity:.75;transform:translateX(-50%) rotate(28deg);
  border-radius:2px;
}
.brand-text{font-size:18px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:14px;line-height:1.6;
  color:#413A34;
  border-radius:999px;
  white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--copper-deep);background:var(--paper-2);}
.nav-link.active{color:var(--copper-deep);font-weight:500;background:rgba(182,90,50,.09);}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--copper);border-radius:2px;
}
.header-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  width:238px;height:40px;padding:0 10px 0 12px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.cmd-search:focus-within{border-color:var(--copper);box-shadow:0 0 0 3px rgba(47,111,106,.18);}
.cmd-search svg{flex:0 0 auto;opacity:.6;}
.cmd-search input{
  flex:1 1 auto;border:0;background:transparent;outline:none;
  font-size:13px;color:var(--ink);min-width:0;font-family:inherit;
}
.cmd-search input::placeholder{color:#9C938B;}
.kbd{
  flex:0 0 auto;font-size:11px;line-height:1;color:var(--muted);
  border:1px solid var(--line);border-radius:6px;padding:4px 6px;background:var(--paper);
}
.quick-link{
  font-size:13px;color:#4A423C;padding:6px 4px;white-space:nowrap;
}
.quick-link:hover{color:var(--copper);text-decoration:underline;text-underline-offset:3px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;
  border-radius:999px;border:1px solid transparent;
  font-size:14px;font-weight:500;line-height:1;
  cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease),background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--copper);color:#FFF8F2;box-shadow:0 6px 16px rgba(182,90,50,.22);}
.btn-primary:hover{background:var(--copper-deep);color:#FFF8F2;transform:translateY(-2px);box-shadow:0 10px 22px rgba(142,63,34,.26);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(142,63,34,.2);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{background:var(--paper-2);border-color:#D6C9B8;color:var(--ink);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:38px;padding:0 16px;font-size:13px;}
.btn-light{background:#FFF8F2;color:var(--copper-deep);border-color:transparent;}
.btn-light:hover{background:#F3E4D8;color:var(--copper-deep);transform:translateY(-2px);}
.btn-outline-light{background:transparent;color:#F4EDE4;border-color:rgba(246,241,232,.45);}
.btn-outline-light:hover{background:rgba(246,241,232,.12);color:#FFF8F2;transform:translateY(-2px);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:var(--surface);cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(105deg,rgba(31,27,24,.9),rgba(31,27,24,.62) 55%,rgba(31,27,24,.34)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  color:#F6F1E8;
  padding:clamp(40px,6vw,84px) 0 clamp(36px,5vw,68px);
}
.page-hero::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:320px;height:320px;
  border-radius:50%;border:1px solid rgba(217,138,61,.35);
  pointer-events:none;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(246,241,232,.72);margin-bottom:22px;
}
.breadcrumb a{color:rgba(246,241,232,.82);}
.breadcrumb a:hover{color:#F0C79B;text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:#FFF8F2;font-weight:500;}
.page-hero h1{
  font-size:clamp(32px,4.4vw,52px);
  line-height:1.2;
  color:#FFF8F2;
  max-width:20em;
}
.hero-sub{
  margin-top:18px;max-width:44em;
  font-size:clamp(15px,1.3vw,17px);
  line-height:1.85;color:rgba(246,241,232,.86);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-points{
  display:flex;flex-wrap:wrap;gap:0;
  margin-top:36px;padding-top:24px;
  border-top:1px solid rgba(246,241,232,.2);
}
.point{
  flex:1 1 180px;min-width:160px;
  padding-right:24px;
}
.point + .point{padding-left:24px;border-left:1px solid rgba(246,241,232,.18);}
.point b{display:block;font-size:22px;color:#F2C79C;font-weight:700;line-height:1.3;}
.point span{display:block;font-size:13px;color:rgba(246,241,232,.75);margin-top:4px;line-height:1.6;}

/* ---------- Section base ---------- */
.section{padding:clamp(48px,6vw,96px) 0;}
.section-alt{background:var(--paper-2);}
.sec-head{max-width:720px;margin-bottom:clamp(28px,3.4vw,44px);}
.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.12em;color:var(--copper);
  font-weight:500;text-transform:uppercase;
  margin-bottom:14px;
}
.kicker::before{content:"";width:26px;height:1px;background:var(--copper);display:block;}
.sec-head h2{font-size:clamp(24px,3vw,36px);line-height:1.32;}
.sec-head p{margin-top:14px;color:var(--muted);font-size:15px;line-height:1.85;}

/* ---------- Doc layout ---------- */
.doc-layout{
  display:grid;grid-template-columns:262px minmax(0,1fr);gap:36px;align-items:start;
}
.doc-side{
  position:sticky;top:96px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:22px;
  box-shadow:var(--shadow-sm);
}
.doc-side h3{
  font-size:13px;letter-spacing:.1em;color:var(--muted);
  font-weight:500;margin-bottom:14px;
}
.doc-nav{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px;}
.doc-nav a{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:10px;
  font-size:14px;color:#413A34;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.doc-nav a::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--amber);
  flex:0 0 auto;opacity:.55;
}
.doc-nav a:hover{background:var(--paper);color:var(--copper-deep);}
.doc-nav a:hover::before{opacity:1;}
.doc-side-note{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);line-height:1.75;
}
.doc-side-note a{font-weight:500;}

.doc-group{margin-bottom:clamp(30px,3.6vw,44px);}
.doc-group:last-child{margin-bottom:0;}
.doc-group-title{
  display:flex;align-items:baseline;gap:12px;
  font-size:clamp(20px,2.1vw,24px);margin-bottom:8px;
}
.doc-group-title .no{
  font-size:13px;font-weight:700;color:var(--copper);
  border:1px solid rgba(182,90,50,.35);border-radius:8px;
  padding:2px 8px;letter-spacing:.04em;flex:0 0 auto;
}
.doc-group-desc{color:var(--muted);font-size:14.5px;margin-bottom:18px;max-width:56em;}

.doc-list{display:flex;flex-direction:column;gap:14px;}
.doc-card{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:22px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.doc-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#D9CBB9;}
.doc-thumb{
  flex:0 0 132px;width:132px;height:92px;object-fit:cover;
  border-radius:var(--radius-sm);
}
.doc-body{min-width:0;flex:1 1 auto;}
.doc-card h4{font-size:17px;line-height:1.5;margin-bottom:6px;}
.doc-card h4 a{color:var(--ink);}
.doc-card h4 a:hover{color:var(--copper-deep);text-decoration:underline;text-underline-offset:4px;}
.doc-card p{font-size:14px;line-height:1.8;color:var(--muted);}
.doc-meta{
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:12px;
}
.tag{
  display:inline-block;
  font-size:12px;line-height:1.6;
  padding:3px 10px;border-radius:999px;
  background:var(--green-light);color:#255853;
  border:1px solid rgba(47,111,106,.16);
}
.tag-amber{background:rgba(217,138,61,.14);color:#8A531D;border-color:rgba(217,138,61,.24);}
.tag-plain{background:var(--paper);color:var(--muted);border-color:var(--line);}
.doc-time{font-size:12.5px;color:#8C837B;}

/* ---------- Downloads ---------- */
.dl-grid{
  display:grid;grid-template-columns:1.35fr 1fr;gap:20px;
}
.dl-card{
  position:relative;
  display:flex;flex-direction:column;justify-content:space-between;gap:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  overflow:hidden;
}
.dl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#D9CBB9;}
.dl-card.wide{grid-row:span 2;}
.dl-card.wide::before{
  content:"";position:absolute;right:-40px;top:-40px;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,138,61,.16),rgba(217,138,61,0) 70%);
}
.dl-icon{
  width:42px;height:42px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--paper-2);color:var(--copper-deep);
  font-size:13px;font-weight:700;letter-spacing:.02em;
  flex:0 0 auto;
}
.dl-card h3{font-size:20px;line-height:1.45;margin-top:16px;}
.dl-card p{font-size:14px;color:var(--muted);line-height:1.8;margin-top:8px;}
.dl-foot{display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between;}
.dl-file{font-size:12.5px;color:#8C837B;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:500;color:var(--copper);
}
.text-link::after{content:"→";transition:transform .2s var(--ease);}
.text-link:hover{color:var(--copper-deep);text-decoration:underline;text-underline-offset:3px;}
.text-link:hover::after{transform:translateX(3px);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.faq-item{
  border-bottom:1px solid var(--line);
  background:transparent;
}
.faq-item summary{
  display:flex;align-items:flex-start;gap:14px;justify-content:space-between;
  padding:20px 0 20px 0;
  font-size:16px;font-weight:700;color:var(--ink);
  cursor:pointer;list-style:none;
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--copper-deep);}
.faq-item summary .plus{
  flex:0 0 auto;position:relative;width:20px;height:20px;margin-top:3px;
  border:1px solid var(--line);border-radius:50%;background:var(--surface);
  transition:transform .25s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
  content:"";position:absolute;left:50%;top:50%;width:9px;height:1.6px;
  background:var(--copper);border-radius:2px;transform:translate(-50%,-50%);
  transition:transform .25s var(--ease),opacity .2s var(--ease);
}
.faq-item summary .plus::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-item[open] summary{padding-left:14px;color:var(--copper-deep);}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;width:3px;border-radius:2px;background:var(--copper);
  align-self:stretch;
}
.faq-item{position:relative;}
.faq-item[open] summary .plus{transform:rotate(180deg);border-color:rgba(182,90,50,.4);}
.faq-item[open] summary .plus::after{opacity:0;transform:translate(-50%,-50%) rotate(0);}
.faq-answer{
  padding:0 0 22px 0;
  font-size:15px;line-height:1.85;color:var(--muted);
  max-width:62em;
}
.faq-item[open] .faq-answer{padding-left:14px;}
.faq-answer strong{color:var(--ink);font-weight:500;}

/* ---------- Link list ---------- */
.link-list{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;
}
.link-item{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:18px 20px;
  color:var(--ink);
  transition:background .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.link-item:hover{
  background:#FFFCF6;border-color:#D9CBB9;transform:translateY(-2px);
  box-shadow:var(--shadow-sm);color:var(--copper-deep);
}
.link-item .li-main{min-width:0;}
.link-item .li-title{display:block;font-size:15.5px;font-weight:500;}
.link-item .li-desc{display:block;font-size:13px;color:var(--muted);margin-top:2px;line-height:1.7;}
.link-item .li-arrow{flex:0 0 auto;color:var(--copper);font-size:15px;transition:transform .2s var(--ease);}
.link-item:hover .li-arrow{transform:translateX(4px);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--dark);
  color:#F6F1E8;
  border-radius:var(--radius-lg);
  padding:clamp(30px,4.4vw,56px);
  display:grid;grid-template-columns:1.25fr 1fr;gap:32px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:linear-gradient(90deg,var(--copper),var(--amber),rgba(217,138,61,0));
}
.cta-band::after{
  content:"";position:absolute;right:-70px;bottom:-110px;width:300px;height:300px;border-radius:50%;
  border:1px solid rgba(217,138,61,.28);
}
.cta-band h2{font-size:clamp(22px,2.8vw,32px);line-height:1.4;color:#FFF8F2;}
.cta-band p{margin-top:12px;color:rgba(246,241,232,.78);font-size:15px;line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;position:relative;z-index:1;}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;
  background:var(--dark);
  color:rgba(246,241,232,.78);
  margin-top:clamp(48px,6vw,96px);
  padding:clamp(40px,5vw,64px) 0 24px;
}
.foot-top{
  position:absolute;left:0;top:0;height:2px;width:100%;
  background:linear-gradient(90deg,rgba(182,90,50,0),var(--copper) 22%,var(--amber) 62%,rgba(217,138,61,0));
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:clamp(28px,3.6vw,44px);
}
.footer-brand .brand{color:#FFF8F2;}
.footer-brand .brand-text{color:#FFF8F2;}
.footer-brand p{
  margin-top:16px;font-size:14px;line-height:1.85;color:rgba(246,241,232,.66);max-width:34em;
}
.footer-col h4{
  font-size:13px;letter-spacing:.1em;color:rgba(246,241,232,.55);
  font-weight:500;margin-bottom:14px;
}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px;}
.footer-col li{font-size:14px;line-height:1.7;}
.footer-col a{color:rgba(246,241,232,.82);}
.footer-col a:hover{color:var(--amber);text-decoration:underline;text-underline-offset:3px;}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(246,241,232,.72);}
.footer-col p + p{margin-top:8px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding-top:20px;border-top:1px solid rgba(246,241,232,.14);
  font-size:12.5px;color:rgba(246,241,232,.5);line-height:1.8;
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 20px;}
  .cmd-search{width:200px;}
  .header-inner{gap:16px;}
  .nav-link{padding:8px 9px;font-size:13.5px;}
  .doc-layout{grid-template-columns:230px minmax(0,1fr);gap:26px;}
}
@media (max-width:991px){
  .header-inner{min-height:64px;gap:12px;}
  .nav-toggle{display:inline-flex;order:3;}
  .nav{
    position:fixed;left:0;right:0;top:64px;
    display:none;flex-direction:column;align-items:stretch;gap:2px;
    margin:0;padding:14px 20px 20px;
    background:var(--surface);
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-lg);
    max-height:calc(100vh - 64px);overflow-y:auto;
  }
  .nav.open{display:flex;}
  .nav-link{padding:12px 14px;font-size:15px;border-radius:12px;}
  .nav-link.active::after{display:none;}
  .nav-link.active{background:rgba(182,90,50,.1);}
  .cmd-search{display:none;}
  .quick-link{display:none;}
  .header-right{margin-left:auto;}
  .page-hero{padding-top:36px;}
  .hero-points{gap:18px;}
  .point{flex:1 1 100%;padding:0;border:0 !important;}
  .point b{font-size:20px;}
  .doc-layout{grid-template-columns:1fr;}
  .doc-side{position:static;top:auto;}
  .doc-nav{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .doc-nav a{background:var(--paper);border-radius:999px;padding:7px 12px;font-size:13px;}
  .doc-nav a::before{display:none;}
  .dl-grid{grid-template-columns:1fr;}
  .dl-card.wide{grid-row:auto;}
  .link-list{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;gap:24px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .page-hero h1{font-size:clamp(28px,7vw,34px);}
  .hero-sub{font-size:15px;}
  .hero-actions .btn{flex:1 1 100%;}
  .doc-card{flex-direction:column;gap:14px;padding:18px;}
  .doc-thumb{width:100%;height:150px;flex:0 0 auto;}
  .faq-item summary{font-size:15.5px;gap:10px;}
  .faq-answer{font-size:14.5px;}
  .dl-card{padding:20px;}
  .section{padding:48px 0;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-text{font-size:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-points{margin-top:26px;}
  .cta-band{padding:26px 20px;}
  .cta-actions .btn{flex:1 1 100%;}
  .link-item{padding:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category5 */
:root{
    --paper:#F6F1E8;
    --paper-2:#EFE6D9;
    --surface:#FFFDF8;
    --copper:#B65A32;
    --copper-deep:#8E3F22;
    --green:#2F6F6A;
    --green-soft:#DCEBE7;
    --amber:#D98A3D;
    --ink:#221E1B;
    --ink-2:#6B625B;
    --line:#E5DCD0;
    --dark:#1F1B18;
    --error:#B43A2F;
    --success:#2F6F6A;
    --r-lg:18px;
    --r-sm:14px;
    --r-btn:12px;
    --shadow:0 12px 28px rgba(66,48,32,.08);
    --shadow-hover:0 18px 36px rgba(66,48,32,.13);
    --container:1200px;
    --gap-desk:96px;
    --gap-tab:72px;
    --gap-mob:52px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border-radius:var(--r-sm);}
  a{color:var(--copper);text-decoration:none;transition:color .2s ease;}
  a:hover{color:var(--copper-deep);text-decoration:underline;text-underline-offset:3px;}
  button{font-family:inherit;}
  h1,h2,h3,h4{margin:0;letter-spacing:.01em;color:var(--ink);font-weight:700;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:6px;}

  .container{
    width:100%;
    max-width:var(--container);
    margin:0 auto;
    padding:0 24px;
  }

  /* ---------- 通用按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:46px;
    padding:0 22px;
    border-radius:var(--r-btn);
    border:1px solid transparent;
    font-size:15px;
    font-weight:600;
    line-height:1;
    cursor:pointer;
    text-decoration:none;
    transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .btn:hover{text-decoration:none;transform:translateY(-2px);}
  .btn:active{transform:translateY(0);}
  .btn-primary{background:var(--copper);color:#FFF8F1;box-shadow:0 8px 18px rgba(182,90,50,.22);}
  .btn-primary:hover{background:var(--copper-deep);color:#FFF8F1;}
  .btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
  .btn-ghost:hover{background:var(--paper-2);border-color:#D8CBBA;color:var(--ink);}
  .btn-dark{background:var(--dark);color:#F7EFE4;}
  .btn-dark:hover{background:#100D0B;color:#FFF8F1;}
  .btn-outline-light{background:transparent;color:#F7EFE4;border-color:rgba(247,239,228,.42);}
  .btn-outline-light:hover{background:rgba(247,239,228,.12);color:#FFF8F1;border-color:rgba(247,239,228,.7);}
  .btn-sm{min-height:40px;padding:0 16px;font-size:14px;border-radius:10px;}
  .btn-block{width:100%;}

  .tag{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:5px 12px;
    border-radius:999px;
    background:var(--green-soft);
    color:#20504C;
    font-size:12.5px;
    font-weight:600;
    letter-spacing:.02em;
  }
  .tag-warm{background:#F5E2D3;color:#8E3F22;}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:120;
    background:rgba(246,241,232,.96);
    border-bottom:1px solid var(--line);
    backdrop-filter:saturate(140%) blur(6px);
  }
  .header-inner{
    display:flex;
    align-items:center;
    gap:22px;
    height:72px;
  }
  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:var(--ink);
    font-weight:800;
    font-size:18px;
    letter-spacing:.02em;
    white-space:nowrap;
  }
  .brand:hover{text-decoration:none;color:var(--ink);}
  .brand-mark{
    width:22px;height:22px;
    border-radius:50%;
    background:radial-gradient(circle at 32% 30%,#E39A5C 0%,var(--copper) 52%,var(--copper-deep) 100%);
    box-shadow:inset 0 0 0 3px rgba(255,253,248,.75);
    flex:0 0 auto;
    position:relative;
  }
  .brand-mark::after{
    content:"";
    position:absolute;left:50%;top:50%;
    width:9px;height:2px;
    background:rgba(255,253,248,.9);
    transform:translate(-50%,-50%) rotate(-38deg);
    border-radius:2px;
  }
  .brand-text{white-space:nowrap;}

  .nav{
    display:flex;
    align-items:center;
    gap:2px;
    margin-left:6px;
    flex:1 1 auto;
  }
  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    height:38px;
    padding:0 12px;
    border-radius:9px;
    color:#4A423B;
    font-size:14px;
    font-weight:500;
    white-space:nowrap;
    transition:color .2s ease,background .2s ease;
  }
  .nav-link:hover{color:var(--copper);background:rgba(239,230,217,.78);text-decoration:none;}
  .nav-link.active{
    color:var(--copper-deep);
    background:#F1E4D6;
    font-weight:700;
    box-shadow:inset 0 -2px 0 var(--copper);
  }

  .header-actions{
    display:flex;
    align-items:center;
    gap:10px;
    flex:0 0 auto;
  }
  .search-box{
    display:flex;
    align-items:center;
    gap:8px;
    width:236px;
    height:40px;
    padding:0 10px 0 12px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:10px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .search-box:focus-within{border-color:var(--copper);box-shadow:0 0 0 3px rgba(47,111,106,.16);}
  .search-box .ico{color:var(--ink-2);flex:0 0 auto;display:inline-flex;}
  .search-box input{
    border:0;background:transparent;outline:none;
    width:100%;font-size:14px;color:var(--ink);
    font-family:inherit;
  }
  .search-box input::placeholder{color:#9A9089;}
  .kbd{
    flex:0 0 auto;
    font-size:11px;
    color:var(--ink-2);
    border:1px solid var(--line);
    border-radius:5px;
    padding:1px 5px;
    background:#FAF5EC;
    line-height:1.5;
  }
  .quick-link{
    font-size:13.5px;
    color:#4A423B;
    padding:0 6px;
    white-space:nowrap;
  }
  .quick-link:hover{color:var(--copper);text-decoration:none;}

  .nav-toggle{
    display:none;
    width:42px;height:42px;
    align-items:center;justify-content:center;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:10px;
    cursor:pointer;
    color:var(--ink);
  }
  .nav-toggle span,
  .nav-toggle span::before,
  .nav-toggle span::after{
    content:"";
    display:block;
    width:18px;height:2px;
    background:currentColor;
    border-radius:2px;
    position:relative;
    transition:transform .22s ease,opacity .22s ease;
  }
  .nav-toggle span::before{position:absolute;top:-6px;left:0;}
  .nav-toggle span::after{position:absolute;top:6px;left:0;}
  .nav-toggle.is-open span{background:transparent;}
  .nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg);}
  .nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg);}

  .drawer-search{display:none;}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:rgba(255,253,248,.78);
    margin-bottom:22px;
    flex-wrap:wrap;
  }
  .breadcrumb a{color:rgba(255,253,248,.86);}
  .breadcrumb a:hover{color:#FFF8F1;}
  .breadcrumb .sep{opacity:.55;}
  .breadcrumb .current{color:#FFF8F1;font-weight:700;}

  /* ---------- Hero ---------- */
  .page-hero{
    position:relative;
    overflow:hidden;
    background-color:var(--dark);
    background-image:linear-gradient(102deg,rgba(31,27,24,.94) 0%,rgba(31,27,24,.84) 46%,rgba(31,27,24,.52) 100%),url("/assets/images/backpic/back-1.webp");
    background-size:cover;
    background-position:center;
    padding:56px 0 76px;
    color:#F7EFE4;
  }
  .page-hero::after{
    content:"";
    position:absolute;left:0;right:0;bottom:0;height:3px;
    background:linear-gradient(90deg,var(--copper) 0%,var(--amber) 48%,rgba(217,138,61,0) 100%);
  }
  .hero-grid{
    display:grid;
    grid-template-columns:7fr 5fr;
    gap:52px;
    align-items:center;
  }
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:13px;
    font-weight:700;
    letter-spacing:.14em;
    color:var(--amber);
    margin-bottom:18px;
  }
  .eyebrow::before{
    content:"";
    width:26px;height:2px;
    background:var(--amber);
    border-radius:2px;
  }
  .page-hero h1{
    font-size:clamp(34px,4.2vw,52px);
    line-height:1.2;
    color:#FFF8F1;
    font-weight:800;
  }
  .page-hero h1 .accent{color:#E7A272;}
  .hero-sub{
    margin-top:20px;
    max-width:600px;
    font-size:16.5px;
    line-height:1.9;
    color:rgba(247,239,228,.85);
  }
  .hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    margin-top:30px;
  }
  .hero-facts{
    display:flex;
    flex-wrap:wrap;
    gap:0;
    margin-top:36px;
    border-top:1px solid rgba(247,239,228,.2);
    padding-top:22px;
  }
  .hero-fact{
    padding-right:30px;
    margin-right:30px;
    border-right:1px solid rgba(247,239,228,.16);
  }
  .hero-fact:last-child{border-right:0;margin-right:0;padding-right:0;}
  .hero-fact strong{
    display:block;
    font-size:22px;
    color:#FFF8F1;
    line-height:1.4;
    font-weight:800;
  }
  .hero-fact span{
    font-size:13px;
    color:rgba(247,239,228,.7);
  }
  .hero-card{
    background:rgba(255,253,248,.97);
    border:1px solid rgba(229,220,208,.9);
    border-radius:var(--r-lg);
    padding:26px;
    box-shadow:0 22px 46px rgba(15,12,10,.32);
    color:var(--ink);
  }
  .hero-card h3{
    font-size:18px;
    margin-bottom:6px;
  }
  .hero-card .card-note{
    font-size:13.5px;
    color:var(--ink-2);
    line-height:1.7;
    margin-bottom:18px;
  }
  .hero-card dl{margin:0;}
  .hero-card .kv{
    display:flex;
    justify-content:space-between;
    gap:14px;
    padding:11px 0;
    border-top:1px dashed var(--line);
    font-size:14px;
  }
  .hero-card .kv:first-of-type{border-top:0;}
  .hero-card .kv dt{color:var(--ink-2);}
  .hero-card .kv dd{margin:0;font-weight:700;color:var(--ink);text-align:right;}
  .hero-card .kv dd a{font-weight:700;}

  /* ---------- 通用板块 ---------- */
  .section{padding:var(--gap-desk) 0;}
  .section.tight{padding:64px 0;}
  .section-alt{background:var(--paper-2);}
  .section-head{max-width:760px;margin-bottom:44px;}
  .section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
  .section-head h2{
    font-size:clamp(27px,3vw,38px);
    line-height:1.3;
    margin-bottom:14px;
  }
  .section-head p{
    font-size:16px;
    color:var(--ink-2);
    line-height:1.9;
  }
  .section-head .eyebrow{color:var(--copper);margin-bottom:14px;}
  .section-head .eyebrow::before{background:var(--copper);}

  /* ---------- 服务时间线 ---------- */
  .timeline{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:24px;
    position:relative;
    margin-top:10px;
  }
  .timeline::before{
    content:"";
    position:absolute;
    top:26px;left:8px;right:8px;
    height:1px;
    background:repeating-linear-gradient(90deg,#D9CBB9 0 8px,transparent 8px 14px);
  }
  .step{
    position:relative;
    padding-top:0;
    background:transparent;
  }
  .step-no{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:52px;height:52px;
    border-radius:50%;
    background:var(--surface);
    border:1px solid var(--line);
    color:var(--copper-deep);
    font-weight:800;
    font-size:15px;
    letter-spacing:.04em;
    box-shadow:var(--shadow);
    position:relative;
    z-index:1;
  }
  .step h3{
    font-size:19px;
    margin:18px 0 8px;
  }
  .step p{
    font-size:14.5px;
    color:var(--ink-2);
    line-height:1.85;
  }
  .step-meta{
    display:inline-block;
    margin-top:12px;
    font-size:12.5px;
    color:var(--green);
    background:var(--green-soft);
    padding:3px 10px;
    border-radius:999px;
    font-weight:600;
  }

  /* ---------- 指标带 ---------- */
  .metrics{
    margin-top:56px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--shadow);
    display:grid;
    grid-template-columns:repeat(4,1fr);
    overflow:hidden;
  }
  .metric{
    padding:26px 24px;
    border-right:1px solid var(--line);
  }
  .metric:last-child{border-right:0;}
  .metric strong{
    display:block;
    font-size:28px;
    line-height:1.3;
    color:var(--copper-deep);
    font-weight:800;
    letter-spacing:.01em;
  }
  .metric span{
    font-size:13.5px;
    color:var(--ink-2);
    line-height:1.7;
    display:block;
    margin-top:4px;
  }

  /* ---------- 保障 2×2 ---------- */
  .guarantee-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:24px;
  }
  .g-card{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:28px;
    box-shadow:var(--shadow);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .g-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D8CBBA;}
  .g-top{
    display:flex;
    align-items:center;
    gap:12px;
    margin-bottom:12px;
  }
  .g-ico{
    width:40px;height:40px;
    border-radius:11px;
    display:inline-flex;
    align-items:center;justify-content:center;
    background:#F5E2D3;
    color:var(--copper-deep);
    font-weight:800;
    font-size:15px;
    flex:0 0 auto;
  }
  .g-card h3{font-size:19px;}
  .g-card p{font-size:14.5px;color:var(--ink-2);line-height:1.85;}
  .g-list{margin-top:14px;display:grid;gap:8px;}
  .g-list li{
    position:relative;
    padding-left:18px;
    font-size:14px;
    color:#4A423B;
    line-height:1.75;
  }
  .g-list li::before{
    content:"";
    position:absolute;
    left:2px;top:11px;
    width:6px;height:6px;
    border-radius:50%;
    background:var(--copper);
  }

  /* ---------- 联系区 ---------- */
  .contact-layout{
    display:grid;
    grid-template-columns:7fr 5fr;
    gap:32px;
    align-items:start;
  }
  .form-card{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:32px;
    box-shadow:var(--shadow);
  }
  .form-card h3{font-size:22px;margin-bottom:8px;}
  .form-card .form-intro{
    font-size:14.5px;
    color:var(--ink-2);
    line-height:1.8;
    margin-bottom:24px;
  }
  .form-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:18px;
  }
  .field{display:flex;flex-direction:column;gap:7px;}
  .field.full{grid-column:1 / -1;}
  .field label{
    font-size:13.5px;
    font-weight:700;
    color:#3A332D;
  }
  .field label .req{color:var(--error);margin-left:2px;}
  .field input,
  .field select,
  .field textarea{
    width:100%;
    min-height:48px;
    padding:12px 14px;
    font-size:15px;
    font-family:inherit;
    color:var(--ink);
    background:#FDFAF3;
    border:1px solid var(--line);
    border-radius:var(--r-btn);
    outline:none;
    transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  }
  .field textarea{min-height:120px;resize:vertical;line-height:1.75;}
  .field select{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='8' viewBox='0 0 14 8'%3E%3Cpath fill='none' stroke='%236B625B' stroke-width='1.6' d='M1 1l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;}
  .field input::placeholder,
  .field textarea::placeholder{color:#A69C94;}
  .field input:focus,
  .field select:focus,
  .field textarea:focus{
    border-color:var(--copper);
    background:#FFFDF8;
    box-shadow:0 0 0 3px rgba(47,111,106,.16);
  }
  .field .hint{font-size:12.5px;color:var(--ink-2);line-height:1.6;}
  .field .err-msg{
    display:none;
    font-size:12.5px;
    color:var(--error);
    line-height:1.6;
  }
  .field.has-error input,
  .field.has-error select,
  .field.has-error textarea{
    border-color:var(--error);
    background:#FDF3F1;
  }
  .field.has-error .err-msg{display:block;}
  .form-foot{
    display:flex;
    align-items:center;
    gap:16px;
    margin-top:22px;
    flex-wrap:wrap;
  }
  .form-foot .btn{flex:0 0 auto;}
  .form-foot .tip{font-size:12.5px;color:var(--ink-2);line-height:1.7;flex:1 1 220px;}
  .form-status{
    display:none;
    margin-top:18px;
    padding:13px 16px;
    border-radius:var(--r-btn);
    font-size:14px;
    line-height:1.7;
    border:1px solid transparent;
  }
  .form-status.show{display:block;}
  .form-status.ok{background:#E8F2EF;border-color:#BBD9D3;color:#1F5751;}
  .form-status.bad{background:#FBEDEA;border-color:#E8C3BC;color:#8E2E24;}

  .info-stack{display:grid;gap:20px;}
  .info-card{
    background:var(--dark);
    color:#EFE6D9;
    border-radius:var(--r-lg);
    padding:30px;
    border:1px solid #332C26;
  }
  .info-card h3{
    color:#FFF8F1;
    font-size:19px;
    margin-bottom:6px;
  }
  .info-card .sub{
    font-size:13.5px;
    color:rgba(239,230,217,.72);
    line-height:1.75;
    margin-bottom:20px;
  }
  .info-row{
    display:flex;
    gap:14px;
    padding:13px 0;
    border-top:1px solid rgba(239,230,217,.16);
  }
  .info-row:first-of-type{border-top:0;padding-top:0;}
  .info-row .label{
    flex:0 0 76px;
    font-size:13px;
    color:rgba(239,230,217,.64);
  }
  .info-row .val{
    font-size:14.5px;
    line-height:1.7;
    color:#FFF8F1;
    word-break:break-word;
  }
  .info-row .val a{color:#F0B48B;font-weight:600;}
  .info-row .val a:hover{color:#FFD7BC;}

  .soft-card{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:26px;
    box-shadow:var(--shadow);
  }
  .soft-card h3{font-size:17px;margin-bottom:10px;}
  .soft-card p{font-size:14px;color:var(--ink-2);line-height:1.85;}
  .soft-card .mini{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px;}
  .mini-tag{
    font-size:12.5px;
    padding:4px 11px;
    border-radius:999px;
    border:1px solid var(--line);
    color:#4A423B;
    background:#FAF5EC;
  }

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:860px;margin:0 auto;}
  .faq-item{
    border-bottom:1px solid var(--line);
    padding:4px 0;
  }
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    display:flex;
    align-items:flex-start;
    justify-content:space-between;
    gap:20px;
    padding:20px 4px 20px 0;
    font-size:16px;
    font-weight:700;
    color:var(--ink);
    position:relative;
    transition:color .2s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::before{
    content:"";
    position:absolute;
    left:-16px;top:22px;bottom:22px;
    width:3px;
    border-radius:3px;
    background:var(--copper);
    opacity:0;
    transition:opacity .2s ease;
  }
  .faq-item[open] summary::before{opacity:1;}
  .faq-item summary:hover{color:var(--copper-deep);}
  .faq-icon{
    position:relative;
    flex:0 0 auto;
    width:22px;height:22px;
    border-radius:50%;
    border:1px solid var(--line);
    background:#FAF5EC;
    margin-top:2px;
  }
  .faq-icon::before,
  .faq-icon::after{
    content:"";
    position:absolute;
    left:50%;top:50%;
    background:var(--copper-deep);
    border-radius:2px;
    transform:translate(-50%,-50%);
    transition:transform .22s ease,opacity .22s ease;
  }
  .faq-icon::before{width:10px;height:1.6px;}
  .faq-icon::after{width:1.6px;height:10px;}
  .faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
  .faq-body{
    padding:0 44px 22px 0;
    font-size:15px;
    color:var(--ink-2);
    line-height:1.9;
  }

  /* ---------- 最终 CTA ---------- */
  .cta-band{
    background:var(--dark);
    border-radius:22px;
    padding:52px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:36px;
    position:relative;
    overflow:hidden;
    border:1px solid #332C26;
  }
  .cta-band::before{
    content:"";
    position:absolute;
    right:-90px;top:-90px;
    width:320px;height:320px;
    border-radius:50%;
    background:radial-gradient(circle at 40% 40%,rgba(182,90,50,.5) 0%,rgba(182,90,50,0) 70%);
  }
  .cta-left{position:relative;z-index:1;max-width:640px;}
  .cta-left h2{
    color:#FFF8F1;
    font-size:clamp(24px,2.6vw,32px);
    line-height:1.35;
    margin-bottom:12px;
  }
  .cta-left p{
    color:rgba(239,230,217,.78);
    font-size:15px;
    line-height:1.85;
  }
  .cta-actions{
    position:relative;
    z-index:1;
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    flex:0 0 auto;
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    margin-top:var(--gap-desk);
    background:var(--dark);
    color:#E7DDD1;
    position:relative;
  }
  .foot-top{
    height:3px;
    background:linear-gradient(90deg,var(--copper) 0%,var(--amber) 42%,rgba(217,138,61,.15) 100%);
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1.2fr;
    gap:36px;
    padding:56px 0 40px;
  }
  .footer-brand .brand{color:#FFF8F1;font-size:18px;margin-bottom:16px;}
  .footer-brand .brand:hover{color:#FFF8F1;}
  .footer-brand p{
    font-size:14px;
    line-height:1.85;
    color:rgba(231,221,209,.72);
    max-width:330px;
  }
  .footer-col h4{
    color:#FFF8F1;
    font-size:14px;
    letter-spacing:.06em;
    margin-bottom:16px;
    font-weight:700;
  }
  .footer-col ul{display:grid;gap:10px;}
  .footer-col li a{
    color:rgba(231,221,209,.78);
    font-size:14px;
  }
  .footer-col li a:hover{color:#E7A272;text-decoration:none;}
  .footer-col p{
    font-size:13.5px;
    line-height:1.9;
    color:rgba(231,221,209,.72);
    margin-bottom:6px;
  }
  .footer-bottom{
    border-top:1px solid rgba(231,221,209,.16);
    padding:20px 0 28px;
    display:flex;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
    font-size:12.5px;
    color:rgba(231,221,209,.56);
    line-height:1.8;
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1199px){
    :root{--gap-desk:80px;}
    .header-inner{gap:16px;}
    .search-box{width:200px;}
    .hero-grid{gap:36px;}
    .timeline{gap:18px;}
  }

  @media (max-width:991px){
    :root{--gap-desk:var(--gap-tab);}
    .header-inner{height:64px;}
    .search-box,
    .quick-link{display:none;}
    .nav-toggle{display:inline-flex;}
    .nav{
      position:fixed;
      inset:64px 0 0 0;
      background:var(--paper);
      flex-direction:column;
      align-items:stretch;
      gap:6px;
      padding:20px 24px 40px;
      margin:0;
      overflow-y:auto;
      transform:translateY(-8px);
      opacity:0;
      visibility:hidden;
      transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
      border-top:1px solid var(--line);
      z-index:110;
    }
    .nav.is-open{opacity:1;visibility:visible;transform:translateY(0);}
    .nav-link{
      height:48px;
      padding:0 14px;
      font-size:15.5px;
      border-radius:12px;
      border:1px solid transparent;
    }
    .nav-link.active{box-shadow:none;border-color:#E2D2BF;}
    .drawer-search{
      display:flex;
      align-items:center;
      gap:8px;
      height:48px;
      padding:0 14px;
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:12px;
      margin-bottom:10px;
    }
    .drawer-search input{
      border:0;outline:none;background:transparent;
      width:100%;font-size:15px;font-family:inherit;color:var(--ink);
    }
    .hero-grid{grid-template-columns:1fr;gap:34px;}
    .page-hero{padding:40px 0 60px;}
    .hero-card{max-width:520px;}
    .timeline{grid-template-columns:1fr 1fr;gap:28px;}
    .timeline::before{display:none;}
    .metrics{grid-template-columns:1fr 1fr;}
    .metric:nth-child(2){border-right:0;}
    .metric:nth-child(1),
    .metric:nth-child(2){border-bottom:1px solid var(--line);}
    .contact-layout{grid-template-columns:1fr;}
    .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px;padding:44px 0 32px;}
    .footer-brand{grid-column:1 / -1;}
  }

  @media (max-width:767px){
    :root{--gap-desk:var(--gap-mob);}
    body{font-size:16px;}
    .container{padding:0 20px;}
    .page-hero h1{font-size:32px;}
    .hero-sub{font-size:15.5px;}
    .hero-facts{border-top:1px solid rgba(247,239,228,.2);}
    .hero-fact{padding-right:20px;margin-right:20px;}
    .hero-fact strong{font-size:19px;}
    .timeline{grid-template-columns:1fr;}
    .step{padding-left:66px;position:relative;min-height:56px;}
    .step-no{position:absolute;left:0;top:0;width:48px;height:48px;font-size:14px;}
    .step h3{margin-top:4px;}
    .metrics{grid-template-columns:1fr;}
    .metric{border-right:0;border-bottom:1px solid var(--line);}
    .metric:last-child{border-bottom:0;}
    .guarantee-grid{grid-template-columns:1fr;}
    .form-grid{grid-template-columns:1fr;}
    .form-card{padding:24px 20px;}
    .hero-card{padding:22px;}
    .cta-band{padding:34px 22px;border-radius:18px;}
    .cta-actions{width:100%;}
    .cta-actions .btn{flex:1 1 auto;}
    .footer-grid{grid-template-columns:1fr;gap:26px;}
    .footer-bottom{flex-direction:column;gap:8px;}
    .faq-item summary{font-size:15.5px;}
    .faq-body{padding-right:20px;}
  }

  @media (max-width:480px){
    .container{padding:0 16px;}
    .brand{font-size:16.5px;}
    .brand-mark{width:20px;height:20px;}
    .hero-actions .btn{width:100%;}
    .hero-fact{padding-right:14px;margin-right:14px;}
    .hero-fact:last-child{padding:0;margin:0;width:100%;margin-top:12px;border-right:0;}
    .btn{min-height:44px;}
    .section-head h2{font-size:26px;}
  }