/* roulang page: index */
:root{
  --ink:#10332C;
  --ink-deep:#0B241F;
  --ink-soft:#1C4A40;
  --accent:#C4622D;
  --sand:#F6F2EA;
  --sand-deep:#EFE9DD;
  --surface:#FFFFFF;
  --moss:#7E9A8C;
  --line:#E3DCCF;
  --text:#1A1F1D;
  --text-2:#55605B;
  --text-3:#8A938E;
  --radius-sm:6px;
  --radius:12px;
  --radius-lg:16px;
  --shadow-1:0 1px 2px rgba(16,51,44,.06);
  --shadow-2:0 18px 40px -24px rgba(16,51,44,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;

  --bs-body-bg:var(--sand);
  --bs-body-color:var(--text);
  --bs-border-color:var(--line);
  --bs-border-radius:12px;
  --bs-border-radius-sm:6px;
  --bs-border-radius-lg:16px;
  --bs-primary:#10332C;
  --bs-primary-rgb:16,51,44;
  --bs-link-color:#10332C;
  --bs-link-hover-color:#1C4A40;
  --bs-font-sans-serif:var(--font-sans);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--sand);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none;transition:color .24s var(--ease)}
a:hover{color:var(--ink-soft)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--ink);margin:0;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:96px 0;position:relative}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12.5px;letter-spacing:.08em;color:var(--ink);
  margin-bottom:18px;font-weight:600;
}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--accent);display:block;border-radius:2px}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,2.6vw,38px);line-height:1.25;font-weight:600;margin-bottom:16px}
.section-desc{color:var(--text-2);font-size:16px;max-width:660px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,242,234,.94);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:height .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:76px;transition:height .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px -20px rgba(16,51,44,.5)}
.site-header.is-scrolled .nav-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--ink);
  display:grid;place-items:center;color:#F6F2EA;flex-shrink:0;
  box-shadow:var(--shadow-1);
}
.brand-mark svg{width:19px;height:19px}
.brand-text{
  font-family:var(--font-serif);font-size:19px;font-weight:600;
  color:var(--ink);line-height:1.2;letter-spacing:0;
}
.nav-links{display:flex;align-items:center;gap:4px;margin:0}
.nav-links a{
  position:relative;display:block;padding:9px 13px;font-size:15px;
  color:var(--text);border-radius:var(--radius-sm);transition:color .24s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:var(--accent);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .26s var(--ease);
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--ink);font-weight:600}
.nav-links a.nav-pill{
  border:1px solid rgba(16,51,44,.28);margin-left:6px;padding:7px 14px;font-size:14.5px;
  border-radius:999px;transition:background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.nav-links a.nav-pill::after{display:none}
.nav-links a.nav-pill:hover{background:rgba(16,51,44,.06);border-color:var(--ink)}
.nav-right{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-sans);font-size:15px;font-weight:600;
  border-radius:8px;border:1px solid transparent;cursor:pointer;
  padding:0 22px;height:44px;line-height:1;
  transition:background .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease),box-shadow .24s var(--ease);
}
.btn svg{width:15px;height:15px;transition:transform .24s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--ink);color:#F8F4EC;border-color:var(--ink)}
.btn-primary:hover{background:var(--ink-deep);border-color:var(--ink-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-ghost{background:transparent;color:var(--ink);border-color:rgba(16,51,44,.34)}
.btn-ghost:hover{background:rgba(16,51,44,.05);border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}
.btn-block{width:100%}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  background:var(--surface);border-radius:10px;align-items:center;justify-content:center;
  flex-direction:column;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span:nth-child(2){width:13px;align-self:flex-start;margin-left:13px}

/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:1200;pointer-events:none}
.drawer-mask{
  position:absolute;inset:0;background:rgba(11,36,31,.42);
  opacity:0;transition:opacity .28s var(--ease);
}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:86vw;max-width:380px;
  background:var(--sand);border-left:1px solid var(--line);
  padding:22px 22px 32px;display:flex;flex-direction:column;gap:6px;
  transform:translateX(102%);transition:transform .3s var(--ease);
  overflow-y:auto;
}
.drawer.is-open{pointer-events:auto}
.drawer.is-open .drawer-mask{opacity:1}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);font-size:20px;line-height:1;
  display:grid;place-items:center;cursor:pointer;
}
.drawer-links{display:flex;flex-direction:column;gap:2px;margin-top:6px}
.drawer-links a{
  padding:13px 4px;font-size:16px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer-links a.active{color:var(--ink);font-weight:600}
.drawer-sep{height:1px;background:var(--line);margin:18px 0 14px}
.drawer-note{font-size:13.5px;color:var(--text-2);line-height:1.9;margin-bottom:18px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:76px 0 88px;overflow:hidden}
.hero::before{
  content:"";position:absolute;right:-180px;top:-220px;width:640px;height:640px;
  border-radius:50%;border:1px solid rgba(16,51,44,.07);
  box-shadow:0 0 0 80px rgba(16,51,44,.025),0 0 0 170px rgba(16,51,44,.018);
  pointer-events:none;
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:1.18fr .82fr;
  gap:56px;align-items:center;
}
.hero h1{
  font-size:clamp(34px,4.4vw,58px);line-height:1.18;font-weight:600;
  letter-spacing:-.01em;margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--ink-soft);position:relative}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:6px;
  background:rgba(196,98,45,.28);border-radius:3px;z-index:-1;
}
.hero-sub{font-size:17px;color:var(--text-2);max-width:520px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.hero-points{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13.5px;color:var(--text-2)}
.hero-points li{display:inline-flex;align-items:center;gap:7px}
.hero-points li+li::before{content:"";width:1px;height:13px;background:var(--line);margin-right:7px;display:inline-block}
.dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;flex-shrink:0}
.hero-visual{position:relative}
.hero-media{
  margin:0;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--sand-deep);
  box-shadow:var(--shadow-1);aspect-ratio:5/4;
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media-sm{
  margin:0;position:absolute;right:-10px;bottom:-26px;width:34%;
  border-radius:var(--radius);overflow:hidden;background:var(--sand-deep);
  border:6px solid #fff;box-shadow:var(--shadow-2);aspect-ratio:1/1;
}
.hero-media-sm img{width:100%;height:100%;object-fit:cover}
.hero-badge{
  position:absolute;left:-18px;bottom:36px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;
  box-shadow:var(--shadow-2);min-width:150px;
}
.hero-badge strong{
  display:block;font-family:var(--font-serif);font-size:22px;color:var(--ink);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.hero-badge span{font-size:12.5px;color:var(--text-3)}

/* ---------- 服务：sticky 标题 + 编号列表 ---------- */
.services-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.services-head{position:sticky;top:108px;align-self:start}
.services-head h2{font-size:clamp(24px,2.6vw,38px);line-height:1.25;font-weight:600;margin-bottom:16px}
.services-head p{color:var(--text-2);font-size:15.5px;max-width:360px}
.service-list li{
  display:grid;grid-template-columns:64px 1fr;gap:20px;
  padding:26px 0;border-bottom:1px solid var(--line);
}
.service-list li:first-child{border-top:1px solid var(--line)}
.sol-num,.service-list .num{
  font-family:var(--font-serif);font-size:15px;color:var(--accent);
  font-variant-numeric:tabular-nums;padding-top:4px;letter-spacing:.04em;
}
.service-list h3{font-size:20px;line-height:1.45;font-weight:600;margin-bottom:8px}
.service-list p{color:var(--text-2);font-size:15px;line-height:1.85}

/* ---------- 数据带 ---------- */
.stats-band{background:var(--ink-deep);color:#EDE7DB;padding:64px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:0 26px;border-left:1px solid rgba(255,255,255,.14)}
.stat:first-child{border-left:none;padding-left:0}
.stat-num,.stat-suffix{
  font-family:var(--font-serif);font-size:clamp(30px,3.2vw,42px);
  color:#F6F2EA;line-height:1.1;font-variant-numeric:tabular-nums;
}
.stat-suffix{font-size:20px;margin-left:4px;color:var(--moss)}
.stat p{font-size:14px;color:rgba(246,242,234,.66);margin-top:10px}

/* ---------- 案例交错卡 ---------- */
.case-row{
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  padding:34px 0;
}
.case-row+.case-row{border-top:1px solid var(--line)}
.case-row.reverse .case-media{order:2}
.case-media{
  margin:0;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--sand-deep);
  aspect-ratio:16/10;box-shadow:var(--shadow-1);
}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.case-row:hover .case-media img{transform:scale(1.03)}
.badge-tag{
  display:inline-block;font-size:12.5px;font-weight:600;color:var(--ink);
  background:rgba(16,51,44,.07);border-radius:999px;padding:5px 13px;
  margin-bottom:16px;letter-spacing:.02em;
}
.case-body h3{font-size:22px;line-height:1.45;font-weight:600;margin-bottom:12px}
.case-body p{color:var(--text-2);font-size:15.5px;margin-bottom:18px}
.text-link{
  display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:600;color:var(--ink);
  background-image:linear-gradient(var(--accent),var(--accent));
  background-repeat:no-repeat;background-size:0% 2px;background-position:0 100%;
  padding-bottom:3px;transition:background-size .26s var(--ease),color .24s var(--ease);
}
.text-link:hover{color:var(--ink-soft);background-size:100% 2px}
.text-link svg{width:14px;height:14px;transition:transform .24s var(--ease)}
.text-link:hover svg{transform:translateX(4px)}

/* ---------- 方案行式条目 ---------- */
.solutions{border-top:1px solid var(--line)}
.solution-row{border-bottom:1px solid var(--line)}
.solution-row summary{
  display:grid;grid-template-columns:70px 1fr 30px;align-items:center;gap:18px;
  padding:26px 4px;cursor:pointer;list-style:none;
  transition:background .24s var(--ease);
}
.solution-row summary::-webkit-details-marker{display:none}
.solution-row summary:hover{background:rgba(16,51,44,.035)}
.sol-title{font-family:var(--font-serif);font-size:20px;color:var(--ink);font-weight:600}
.sol-plus{position:relative;width:18px;height:18px;justify-self:end}
.sol-plus::before,.sol-plus::after{
  content:"";position:absolute;background:var(--ink-soft);border-radius:2px;
  transition:transform .26s var(--ease),opacity .26s var(--ease);
}
.sol-plus::before{left:0;top:8px;width:18px;height:2px}
.sol-plus::after{left:8px;top:0;width:2px;height:18px}
.solution-row[open] .sol-plus::after{transform:scaleY(0);opacity:0}
.sol-body{padding:0 4px 26px 88px;color:var(--text-2);font-size:15.5px;max-width:760px}

/* ---------- 资讯 CMS ---------- */
.news-feature{
  display:grid;grid-template-columns:1.02fr .98fr;gap:40px;align-items:stretch;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:0;overflow:hidden;box-shadow:var(--shadow-1);margin-bottom:24px;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(16,51,44,.28)}
.news-feature-media{margin:0;background:var(--sand-deep);aspect-ratio:16/10;overflow:hidden}
.news-feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.news-feature:hover .news-feature-media img{transform:scale(1.03)}
.news-feature-body{padding:34px 34px 34px 8px;display:flex;flex-direction:column;justify-content:center;gap:14px}
.news-feature-body h3{font-size:23px;line-height:1.45;font-weight:600}
.news-feature-body h3 a{color:var(--ink)}
.news-feature-body p{color:var(--text-2);font-size:15px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(16,51,44,.28)}
.news-card-media{margin:0;aspect-ratio:16/10;background:var(--sand-deep);overflow:hidden}
.news-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.news-card:hover .news-card-media img{transform:scale(1.03)}
.news-card-body{padding:22px 22px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card-body h3{font-size:18px;line-height:1.5;font-weight:600}
.news-card-body h3 a{color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card-body p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--text-3);margin-top:auto;padding-top:12px;
  border-top:1px solid var(--line);font-variant-numeric:tabular-nums;
}
.news-meta .tag{font-size:12px;color:var(--ink);background:rgba(16,51,44,.07);border-radius:999px;padding:3px 10px}
.empty-note{
  text-align:center;color:var(--text-2);font-size:15px;padding:48px 0;
  border:1px dashed var(--line);border-radius:var(--radius);background:rgba(255,255,255,.5);
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item summary{
  display:grid;grid-template-columns:56px 1fr 26px;gap:14px;align-items:center;
  padding:24px 2px;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item .q{font-family:var(--font-serif);font-size:17.5px;color:var(--ink);font-weight:600}
.faq-item .a{padding:0 2px 26px 70px;color:var(--text-2);font-size:15.5px;line-height:1.85}
.faq-mark{position:relative;width:16px;height:16px;justify-self:end}
.faq-mark::before,.faq-mark::after{
  content:"";position:absolute;background:var(--ink-soft);border-radius:2px;
  transition:transform .26s var(--ease),opacity .26s var(--ease);
}
.faq-mark::before{left:0;top:7px;width:16px;height:2px}
.faq-mark::after{left:7px;top:0;width:2px;height:16px}
.faq-item[open] .faq-mark::after{transform:scaleY(0);opacity:0}

/* ---------- 联系 ---------- */
.contact-section{background:var(--sand-deep);padding:96px 0}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.contact-info h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25;font-weight:600;margin-bottom:16px}
.contact-info p{color:var(--text-2);font-size:15.5px;margin-bottom:28px;max-width:420px}
.contact-list li{
  display:grid;grid-template-columns:96px 1fr;gap:16px;padding:16px 0;
  border-top:1px solid var(--line);font-size:15px;
}
.contact-list li span:first-child{color:var(--text-3);font-size:13.5px;padding-top:2px}
.contact-list li span:last-child{color:var(--text)}
.contact-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px;box-shadow:var(--shadow-1);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:7px;font-weight:600}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:8px;background:#FCFAF6;
  font-size:15px;color:var(--text);padding:0 14px;height:48px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease);
}
.field textarea{height:auto;min-height:116px;padding:12px 14px;line-height:1.8;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--ink);background:#fff;
  box-shadow:0 0 0 3px rgba(16,51,44,.12);
}
.form-hint{font-size:12.5px;color:var(--text-3);margin-top:12px;line-height:1.8}
.form-msg{font-size:13.5px;color:var(--accent);margin-top:12px;display:none}
.form-msg.show{display:block}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;background:var(--ink-deep);color:#F6F2EA;overflow:hidden;
  padding:72px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.16;pointer-events:none;
}
.cta-inner{
  position:relative;display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
}
.cta-inner h2{
  color:#F6F2EA;font-size:clamp(22px,2.4vw,32px);line-height:1.35;font-weight:600;
  max-width:640px;margin-bottom:10px;
}
.cta-inner p{color:rgba(246,242,234,.7);font-size:15px;max-width:560px}
.cta-band .btn-primary{background:#C4622D;border-color:#C4622D;color:#fff}
.cta-band .btn-primary:hover{background:#a94f21;border-color:#a94f21}
.btn-light-outline{background:transparent;border-color:rgba(246,242,234,.42);color:#F6F2EA}
.btn-light-outline:hover{background:rgba(246,242,234,.1);border-color:#F6F2EA;color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(246,242,234,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-text{color:#F6F2EA;font-size:19px}
.footer-brand .brand-mark{background:rgba(246,242,234,.12)}
.footer-brand p{font-size:13.5px;color:rgba(246,242,234,.55);margin-top:14px;max-width:260px;line-height:1.9}
.footer-col h4{
  font-family:var(--font-sans);font-size:13px;letter-spacing:.08em;font-weight:600;
  color:rgba(255,255,255,.6);margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14.5px;color:rgba(246,242,234,.78);transition:color .24s var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-col p{font-size:14px;color:rgba(246,242,234,.6);line-height:2}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(246,242,234,.48);
}
.footer-bottom a{color:rgba(246,242,234,.66)}
.footer-bottom a:hover{color:var(--accent)}
.to-top{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;
  border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:7px 16px;
  transition:border-color .24s var(--ease),color .24s var(--ease),background .24s var(--ease);
}
.to-top:hover{background:rgba(246,242,234,.08);border-color:rgba(246,242,234,.5);color:#F6F2EA}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .62s var(--ease),transform .62s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.hero-copy>*.reveal:nth-child(1){transition-delay:.02s}
.hero-copy>*.reveal:nth-child(2){transition-delay:.10s}
.hero-copy>*.reveal:nth-child(3){transition-delay:.18s}
.hero-copy>*.reveal:nth-child(4){transition-delay:.26s}
.hero-copy>*.reveal:nth-child(5){transition-delay:.34s}

/* ---------- 响应式 ---------- */
@media (min-width:1400px){
  .container{max-width:1320px}
}
@media (max-width:1199.98px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-inner{height:68px}
  .hero-grid{gap:40px}
  .services-grid{gap:40px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .section{padding:80px 0}
  .hero{padding:56px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero-visual{max-width:560px}
  .hero-media-sm{bottom:-18px}
  .services-grid{grid-template-columns:1fr;gap:32px}
  .services-head{position:static}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .stat:nth-child(3){border-left:none;padding-left:0}
  .stat{padding:0 24px}
  .case-row{grid-template-columns:1fr;gap:24px;padding:28px 0}
  .case-row.reverse .case-media{order:0}
  .news-feature{grid-template-columns:1fr}
  .news-feature-body{padding:0 26px 28px}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:767.98px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .contact-section{padding:56px 0}
  .hero{padding:44px 0 60px}
  .hero h1{font-size:clamp(32px,7.6vw,40px)}
  .hero-sub{font-size:16px}
  .hero-badge{left:0;bottom:-8px;padding:12px 14px;min-width:132px}
  .hero-media-sm{width:36%;right:-4px}
  .news-grid{grid-template-columns:1fr}
  .service-list li{grid-template-columns:44px 1fr;gap:14px;padding:22px 0}
  .solution-row summary{grid-template-columns:46px 1fr 24px;gap:12px}
  .sol-body{padding-left:60px}
  .faq-item summary{grid-template-columns:40px 1fr 22px}
  .faq-item .a{padding-left:54px}
  .contact-card{padding:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:575.98px){
  .btn{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch;gap:10px}
  .nav-right .btn-primary{display:none}
  .stats-grid{grid-template-columns:1fr;gap:24px}
  .stat{border-left:none;padding:0 0 20px;border-bottom:1px solid rgba(255,255,255,.12)}
  .stat:last-child{border-bottom:none;padding-bottom:0}
  .cta-band{padding:56px 0}
  .cta-inner .btn{width:100%}
  .brand-text{font-size:17px}
  .case-body h3{font-size:20px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --ink:#10332C;
  --ink-deep:#0B241F;
  --ink-soft:#1C4A40;
  --accent:#C4622D;
  --sand:#F6F2EA;
  --surface:#FFFFFF;
  --moss:#7E9A8C;
  --line:#E3DCCF;
  --text:#1A1F1D;
  --text-2:#55605B;
  --text-3:#8A938E;
  --r-s:6px;
  --r-m:12px;
  --r-l:16px;
  --shadow-1:0 1px 2px rgba(16,51,44,.06);
  --shadow-2:0 18px 40px -24px rgba(16,51,44,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-title:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
  --font-body:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --bs-primary:#10332C;
  --bs-body-bg:#F6F2EA;
  --bs-body-color:#1A1F1D;
  --bs-border-color:#E3DCCF;
  --bs-border-radius:12px;
  --bs-font-sans-serif:var(--font-body);
  --bs-link-color:#10332C;
  --bs-link-hover-color:#C4622D;
}

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

html{scroll-behavior:smooth;}

body{
  margin:0;
  background:var(--sand);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}

img{display:block;max-width:100%;height:auto;}

a{color:var(--ink);text-decoration:none;transition:color .24s var(--ease);}

h1,h2,h3,h4{
  font-family:var(--font-title);
  color:var(--ink);
  font-weight:600;
  letter-spacing:-.01em;
  margin:0;
}

h1{font-size:clamp(34px,4.4vw,58px);line-height:1.18;}
h2{font-size:clamp(24px,2.6vw,38px);line-height:1.25;}
h3{font-size:20px;line-height:1.45;}

p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}

ul,ol{margin:0;padding:0;list-style:none;}

button{font-family:inherit;}

:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--ink);color:#fff;padding:12px 20px;border-radius:0 0 var(--r-s) 0;
}
.skip-link:focus{left:0;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

.section{padding:96px 0;}

.section--tight{padding:72px 0;}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12.5px;
  letter-spacing:.08em;
  color:var(--accent);
  font-weight:600;
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:16px;height:2px;
  background:var(--accent);
  display:block;
}

.section-head{max-width:760px;margin-bottom:44px;}
.section-head p{color:var(--text-2);font-size:16.5px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(246,242,234,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(246,242,234,.96);
  border-bottom-color:#D6CDBA;
}

.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:76px;
  transition:height .22s var(--ease);
}
.site-header.is-scrolled .header-inner{height:64px;}

.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  flex-shrink:0;
}
.brand-mark{
  width:36px;height:36px;
  border-radius:10px;
  background:var(--ink);
  color:#F6F2EA;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:transform .24s var(--ease),background .24s var(--ease);
}
.brand-mark svg{width:20px;height:20px;}
.brand:hover .brand-mark{background:var(--ink-soft);transform:translateY(-1px);}
.brand-text{
  font-family:var(--font-title);
  font-size:19px;
  font-weight:600;
  color:var(--ink);
  letter-spacing:.01em;
  white-space:nowrap;
}

.nav-links{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  font-size:15px;
  color:var(--text);
  padding:9px 12px;
  border-radius:var(--r-s);
}
.nav-links a:not(.nav-pill)::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .26s var(--ease);
}
.nav-links a:not(.nav-pill):hover{color:var(--ink);}
.nav-links a:not(.nav-pill):hover::after,
.nav-links a:not(.nav-pill).active::after{transform:scaleX(1);}

.nav-links a.nav-pill{
  border:1px solid var(--line);
  border-radius:999px;
  padding:7px 15px;
  font-size:14px;
  color:var(--ink-soft);
  background:transparent;
  transition:border-color .24s var(--ease),background .24s var(--ease),color .24s var(--ease);
}
.nav-links a.nav-pill:hover{
  border-color:var(--ink);
  background:rgba(16,51,44,.05);
  color:var(--ink);
}
.nav-links a.nav-pill.active{
  border-color:var(--ink);
  background:rgba(16,51,44,.08);
  color:var(--ink);
  font-weight:600;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  height:46px;
  padding:0 22px;
  border-radius:8px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
  white-space:nowrap;
}
.btn svg{transition:transform .24s var(--ease);}
.btn:hover svg{transform:translateX(4px);}

.btn-ink{
  background:var(--ink);
  color:#F6F2EA;
  box-shadow:var(--shadow-1);
}
.btn-ink:hover{background:var(--ink-deep);color:#F6F2EA;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-ink:active{transform:translateY(0);}

.btn-ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--line);
}
.btn-ghost:hover{
  border-color:var(--ink);
  background:rgba(16,51,44,.04);
  color:var(--ink);
}

.btn-light{
  background:#F6F2EA;
  color:var(--ink-deep);
}
.btn-light:hover{background:#fff;color:var(--ink-deep);transform:translateY(-1px);}

.nav-cta{height:44px;padding:0 20px;font-size:14.5px;flex-shrink:0;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  background:transparent;
  border:1px solid var(--line);
  border-radius:10px;
  color:var(--ink);
  margin-left:auto;
  cursor:pointer;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.nav-toggle:hover{border-color:var(--ink);background:rgba(16,51,44,.05);}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(11,36,31,.42);
  opacity:0;
  pointer-events:none;
  transition:opacity .28s var(--ease);
  z-index:90;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}

.mobile-drawer{
  position:fixed;
  top:0;right:0;
  width:86vw;
  max-width:380px;
  height:100%;
  background:var(--sand);
  border-left:1px solid var(--line);
  z-index:100;
  padding:22px 22px 32px;
  transform:translateX(100%);
  transition:transform .32s var(--ease);
  display:flex;
  flex-direction:column;
  gap:6px;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}

.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
  margin-bottom:14px;
}
.drawer-title{font-family:var(--font-title);font-size:17px;color:var(--ink);font-weight:600;}
.drawer-close{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);border-radius:10px;color:var(--ink);cursor:pointer;
}
.drawer-close:hover{border-color:var(--ink);background:rgba(16,51,44,.05);}

.mobile-drawer a.drawer-link{
  display:block;
  padding:13px 14px;
  border-radius:10px;
  font-size:15.5px;
  color:var(--text);
  border:1px solid transparent;
  transition:background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.mobile-drawer a.drawer-link:hover{background:rgba(16,51,44,.05);color:var(--ink);}
.mobile-drawer a.drawer-link.active{
  border-color:var(--ink);
  background:rgba(16,51,44,.07);
  color:var(--ink);
  font-weight:600;
}
.drawer-sep{height:1px;background:var(--line);margin:14px 0;}
.drawer-note{font-size:13.5px;color:var(--text-3);line-height:1.8;margin-bottom:14px;}
.mobile-drawer .btn{width:100%;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  padding:72px 0 76px;
  background:
    radial-gradient(circle at 88% 8%, rgba(126,154,140,.18) 0, rgba(126,154,140,0) 46%),
    var(--sand);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(16,51,44,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16,51,44,.05) 1px, transparent 1px);
  background-size:72px 72px;
  opacity:.5;
  pointer-events:none;
  mask-image:linear-gradient(to bottom, rgba(0,0,0,.7), transparent 78%);
  -webkit-mask-image:linear-gradient(to bottom, rgba(0,0,0,.7), transparent 78%);
}
.page-hero .container{position:relative;z-index:1;}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:26px;
  padding:0;
  background:transparent;
}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{
  content:"/";
  color:#C3BAA9;
  margin-right:0;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .current{color:var(--text-3);}

.page-hero h1{
  max-width:16em;
  margin-bottom:22px;
}
.hero-lead{
  max-width:720px;
  font-size:17px;
  color:var(--text-2);
  line-height:1.9;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:28px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(16,51,44,.06);
  color:var(--ink-soft);
  font-size:13px;
  border:1px solid rgba(16,51,44,.09);
}
.tag::before{
  content:"";
  width:5px;height:5px;border-radius:50%;
  background:var(--accent);
}

/* ---------- split blocks ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}
.split.reverse .split-media{order:-1;}

.split-text .section-head{margin-bottom:30px;}

.split-media{
  position:relative;
  margin:0;
}
.split-media .media-frame{
  padding:8px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:var(--shadow-1);
  transition:box-shadow .26s var(--ease),transform .26s var(--ease),border-color .26s var(--ease);
}
.split-media .media-frame:hover{
  transform:translateY(-4px);
  border-color:rgba(16,51,44,.28);
  box-shadow:var(--shadow-2);
}
.split-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:calc(var(--r-l) - 6px);
  background:#EFEADF;
}
.split-media figcaption{
  margin-top:14px;
  font-size:13px;
  color:var(--text-3);
  text-align:center;
}

.steps{
  counter-reset:step;
}
.steps li{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:20px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
}
.steps li:first-child{padding-top:0;}
.steps li:last-child{border-bottom:none;padding-bottom:0;}
.steps .num{
  font-family:var(--font-title);
  font-size:14px;
  font-weight:600;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
  padding-top:4px;
}
.steps h3{
  font-size:18px;
  margin-bottom:6px;
}
.steps p{
  font-size:15px;
  color:var(--text-2);
  line-height:1.8;
  margin:0;
}

/* ---------- faq ---------- */
.faq-section{background:#FBF8F2;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item summary{
  display:flex;
  align-items:center;
  gap:18px;
  padding:22px 0;
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-num{
  font-family:var(--font-title);
  font-size:14px;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  flex-shrink:0;
  width:26px;
}
.faq-item summary h3{
  flex:1;
  font-size:17.5px;
  font-weight:600;
  line-height:1.5;
  margin:0;
  transition:color .22s var(--ease);
}
.faq-item summary:hover h3{color:var(--ink-soft);}
.faq-icon{
  position:relative;
  width:18px;height:18px;
  flex-shrink:0;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--ink);
  transition:transform .26s var(--ease),opacity .26s var(--ease);
}
.faq-icon::before{left:0;top:8px;width:18px;height:1.6px;}
.faq-icon::after{left:8.2px;top:0;width:1.6px;height:18px;}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-body{
  padding:0 0 26px 44px;
  font-size:15.5px;
  color:var(--text-2);
  line-height:1.9;
  max-width:760px;
}

/* ---------- cross links ---------- */
.link-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.link-card{
  display:flex;
  flex-direction:column;
  gap:14px;
  padding:28px 26px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  box-shadow:var(--shadow-1);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.link-card:hover{
  transform:translateY(-4px);
  border-color:rgba(16,51,44,.28);
  box-shadow:var(--shadow-2);
}
.link-card .badge-pill{
  align-self:flex-start;
  padding:4px 12px;
  border-radius:999px;
  background:rgba(16,51,44,.07);
  color:var(--ink-soft);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
}
.link-card h3{font-size:19px;}
.link-card p{
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.8;
  margin:0;
  flex:1;
}
.link-card .arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
}
.link-card .arrow svg{transition:transform .24s var(--ease);}
.link-card:hover .arrow svg{transform:translateX(4px);}
.link-card:hover .arrow{color:var(--accent);}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;
  background:var(--ink-deep);
  color:#EBE5D9;
  overflow:hidden;
  padding:76px 0;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  opacity:.16;
  pointer-events:none;
}
.cta-band .container{position:relative;z-index:1;}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.cta-inner h2{
  color:#F6F2EA;
  max-width:16em;
  margin-bottom:12px;
}
.cta-inner p{
  color:rgba(246,242,234,.72);
  font-size:15.5px;
  max-width:38em;
  margin:0;
}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink-deep);
  color:rgba(246,242,234,.72);
  padding:64px 0 0;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:52px;
}
.site-footer .brand-text{color:#F6F2EA;}
.site-footer .brand-mark{background:rgba(246,242,234,.12);color:#F6F2EA;}
.site-footer .brand:hover .brand-mark{background:rgba(246,242,234,.2);}
.footer-brand p{
  margin-top:16px;
  color:rgba(246,242,234,.6);
  line-height:1.8;
  max-width:22em;
}
.footer-col h4{
  font-family:var(--font-body);
  font-size:13px;
  letter-spacing:.1em;
  color:rgba(255,255,255,.6);
  font-weight:600;
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{
  color:rgba(246,242,234,.78);
  font-size:14.5px;
  transition:color .22s var(--ease);
}
.footer-col a:hover{color:var(--accent);}
.footer-col p{color:rgba(246,242,234,.6);line-height:1.9;margin:0;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding:22px 0;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;
  color:rgba(246,242,234,.55);
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:7px;
  color:rgba(246,242,234,.75);
  font-size:13px;
}
.to-top:hover{color:var(--accent);}

/* ---------- motion ---------- */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .62s var(--ease),transform .62s var(--ease);
}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1399px){
  .container{max-width:1240px;}
}

@media (max-width:1199px){
  .nav-links{gap:4px;}
  .nav-links a{font-size:14.5px;padding:8px 10px;}
  .nav-links a.nav-pill{padding:6px 12px;font-size:13.5px;}
  .split{gap:44px;}
}

@media (max-width:991px){
  .section{padding:80px 0;}
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:68px;}
  .site-header.is-scrolled .header-inner{height:62px;}
  .split{grid-template-columns:1fr;gap:36px;}
  .split.reverse .split-media{order:0;}
  .link-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .page-hero{padding:56px 0 60px;}
}

@media (max-width:767px){
  body{font-size:16px;}
  .container{padding-left:20px;padding-right:20px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .page-hero{padding:44px 0 52px;}
  .page-hero h1{max-width:none;}
  .hero-lead{font-size:16px;}
  .section-head{margin-bottom:32px;}
  .faq-body{padding-left:0;}
  .faq-item summary{gap:12px;padding:18px 0;}
  .faq-num{width:20px;font-size:13px;}
  .faq-item summary h3{font-size:16.5px;}
  .link-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:26px;}
  .cta-band{padding:56px 0;}
  .split-media figcaption{text-align:left;}
}

@media (max-width:575px){
  .btn{width:100%;}
  .nav-toggle{width:44px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:38px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .steps li{gap:14px;}
  .brand-text{font-size:17px;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --ink:#10332C;
  --ink-deep:#0B241F;
  --ink-soft:#1C4A40;
  --accent:#C4622D;
  --sand:#F6F2EA;
  --surface:#FFFFFF;
  --moss:#7E9A8C;
  --line:#E3DCCF;
  --text:#1A1F1D;
  --text-2:#55605B;
  --text-3:#8A938E;
  --radius-s:6px;
  --radius-m:12px;
  --radius-l:16px;
  --shadow-1:0 1px 2px rgba(16,51,44,.06);
  --shadow-2:0 18px 40px -24px rgba(16,51,44,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
  --sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;

  --bs-primary:#10332C;
  --bs-body-bg:#F6F2EA;
  --bs-body-color:#1A1F1D;
  --bs-border-color:#E3DCCF;
  --bs-border-radius:12px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --bs-link-color:#10332C;
  --bs-link-hover-color:#C4622D;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--sans);font-size:16px;line-height:1.85;
  color:var(--text);background:var(--sand);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{font-family:var(--serif);font-weight:600;color:var(--ink);margin:0;letter-spacing:-.005em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%}
a{color:var(--ink);text-decoration:none;transition:color .24s var(--ease)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.page-wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.page-wrap{max-width:1320px}}
.btn{border-radius:8px;font-family:var(--sans)}
.btn:focus,.btn:active{box-shadow:none}

/* ============ 阅读进度 ============ */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--accent);z-index:2100;transition:width .12s linear}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1000;background:rgba(246,242,234,.94);
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:border-color .22s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:#D8CFBD}
.header-inner{display:flex;align-items:center;gap:24px;height:76px;transition:height .22s var(--ease)}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;display:grid;place-items:center;border-radius:10px;
  background:var(--ink);color:#F6F2EA;flex-shrink:0;
  transition:background .24s var(--ease),transform .24s var(--ease);
}
.brand-mark svg{width:19px;height:19px}
.brand:hover .brand-mark{background:var(--ink-deep);transform:translateY(-1px)}
.brand-text{font-family:var(--serif);font-size:19px;font-weight:600;color:var(--ink);white-space:nowrap;letter-spacing:-.01em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  font-size:15px;color:var(--text);border-radius:8px;
  transition:color .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left center;
  transition:transform .24s var(--ease);
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--ink);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.nav-pill{border:1px solid var(--line);background:#FFFDF8}
.nav-links a.nav-pill::after{display:none}
.nav-links a.nav-pill:hover{border-color:rgba(16,51,44,.4);background:rgba(16,51,44,.05)}
.header-actions{display:flex;align-items:center;gap:10px}

.btn-ink{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:8px;border:1px solid var(--ink);
  background:var(--ink);color:#F8F5EE;font-size:15px;font-weight:500;line-height:1;
  cursor:pointer;transition:background .24s var(--ease),color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.btn-ink svg{transition:transform .24s var(--ease)}
.btn-ink:hover{background:var(--ink-deep);border-color:var(--ink-deep);color:#FFFFFF;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-ink:hover svg{transform:translateX(4px)}
.btn-ink:active{transform:translateY(0)}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:8px;
  border:1px solid rgba(16,51,44,.32);background:transparent;color:var(--ink);
  font-size:15px;font-weight:500;line-height:1;
  cursor:pointer;transition:background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease),transform .24s var(--ease);
}
.btn-ghost:hover{background:rgba(16,51,44,.05);border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}

.btn-sand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:8px;border:1px solid #F6F2EA;
  background:#F6F2EA;color:var(--ink-deep);font-size:15px;font-weight:600;line-height:1;
  transition:background .24s var(--ease),color .24s var(--ease),transform .24s var(--ease);
}
.btn-sand:hover{background:transparent;color:#F6F2EA;transform:translateY(-1px)}
.btn-sand svg{transition:transform .24s var(--ease)}
.btn-sand:hover svg{transform:translateX(4px)}

.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;background:#FFFDF8;color:var(--ink);cursor:pointer;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.nav-toggle:hover{border-color:var(--ink);background:#fff}

/* ============ 移动端抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,36,31,.45);z-index:1100;
  opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86vw;max-width:380px;z-index:1101;
  background:var(--sand);transform:translateX(102%);
  transition:transform .3s var(--ease);
  display:flex;flex-direction:column;padding:22px 22px 28px;overflow-y:auto;
  box-shadow:-18px 0 40px -30px rgba(11,36,31,.6);
}
body.drawer-open .drawer{transform:translateX(0)}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
body.drawer-open{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:44px;height:44px;display:grid;place-items:center;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:22px;line-height:1;cursor:pointer;
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
.drawer-close:hover{border-color:var(--ink);color:var(--accent)}
.drawer-nav{display:flex;flex-direction:column;padding:16px 0}
.drawer-nav a{padding:15px 2px;font-size:16px;color:var(--text);border-bottom:1px solid var(--line);transition:color .22s var(--ease),padding-left .22s var(--ease)}
.drawer-nav a:last-child{border-bottom:none}
.drawer-nav a:hover{color:var(--accent);padding-left:8px}
.drawer-foot{padding-top:20px;border-top:1px solid var(--line)}
.drawer-foot .btn-ink{width:100%}

/* ============ 面包屑 ============ */
.crumb-bar{padding:24px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);line-height:1.7}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--accent)}
.crumb .sep{color:#C9C0AE}
.crumb .current{color:var(--text-3);max-width:56ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头部 ============ */
.article-head{padding:26px 0 0;max-width:880px}
.badge-cat{
  display:inline-flex;align-items:center;gap:7px;height:27px;padding:0 13px;border-radius:999px;
  background:rgba(16,51,44,.07);color:var(--ink);font-size:12px;letter-spacing:.04em;font-weight:500;
}
.badge-cat::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent)}
.article-title{
  font-size:clamp(30px,3.9vw,46px);line-height:1.24;letter-spacing:-.012em;margin-top:18px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:18px;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--moss);flex-shrink:0}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.article-meta svg{width:14px;height:14px;stroke:var(--moss)}
.head-rule{height:1px;background:var(--line);margin:30px 0 0}

/* ============ 正文布局 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr);gap:48px;
  padding:44px 0 0;align-items:start;
}
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,760px) 236px;justify-content:center;gap:64px}
}
.article-body{
  max-width:760px;font-size:17px;line-height:1.9;color:var(--text);
  word-break:break-word;overflow-wrap:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.25em}
.article-body h2{
  font-size:clamp(21px,2vw,27px);line-height:1.4;margin:48px 0 16px;
  padding-left:14px;border-left:4px solid var(--accent);
}
.article-body h3{font-size:20px;line-height:1.5;margin:36px 0 12px;color:var(--ink-soft)}
.article-body h4{font-size:17px;line-height:1.6;margin:28px 0 10px;color:var(--ink-soft)}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.45em;line-height:1.85}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:0 0 .55em}
.article-body li::marker{color:var(--moss)}
.article-body strong{color:var(--ink);font-weight:600}
.article-body img{width:100%;height:auto;border-radius:12px;margin:26px 0;border:1px solid var(--line)}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body blockquote{
  margin:26px 0;padding:20px 22px;background:#EFF3F0;border-left:3px solid var(--ink);
  border-radius:0 10px 10px 0;color:var(--text-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--ink);border-bottom:1px solid rgba(16,51,44,.35)}
.article-body a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;line-height:1.7}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.article-body thead th{border-bottom:2px solid rgba(16,51,44,.22);color:var(--ink);font-weight:600}
.article-body tbody tr:nth-child(odd){background:#FAF7F1}
.article-body hr{border:none;height:1px;background:var(--line);margin:36px 0}
.article-body code{background:#EFF3F0;padding:2px 6px;border-radius:4px;font-size:14px;color:var(--ink-soft)}

/* ============ 目录 ============ */
.toc{display:none;align-self:start}
@media (min-width:1200px){
  .toc{display:block;position:sticky;top:104px}
}
.toc h4{
  font-family:var(--sans);font-size:12px;font-weight:500;letter-spacing:.1em;
  color:var(--text-3);margin-bottom:14px;
}
.toc ol{display:flex;flex-direction:column}
.toc a{
  display:block;padding:7px 0 7px 14px;font-size:13.5px;line-height:1.6;color:var(--text-2);
  border-left:2px solid var(--line);
  transition:color .22s var(--ease),border-color .22s var(--ease),padding-left .22s var(--ease);
}
.toc a:hover{color:var(--ink);border-left-color:var(--accent);padding-left:18px}

/* ============ 文末操作 ============ */
.post-actions{
  margin-top:52px;padding-top:28px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.post-actions .note{font-size:13.5px;color:var(--text-3);line-height:1.7;max-width:38ch}
.post-actions .actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 空态 ============ */
.empty-state{max-width:560px;margin:0 auto;padding:88px 0 40px;text-align:center}
.empty-state .badge-cat{margin-bottom:18px}
.empty-state h2{font-size:26px;margin-bottom:12px}
.empty-state p{color:var(--text-2);font-size:15.5px;margin-bottom:28px}

/* ============ 通用板块头 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.08em;
  color:var(--accent);margin-bottom:12px;font-family:var(--sans);
}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--accent);flex-shrink:0}
.section-title{font-size:clamp(24px,2.6vw,34px);line-height:1.28}
.section-sub{margin-top:12px;font-size:15.5px;color:var(--text-2);max-width:46ch}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}

/* ============ 相关推荐 ============ */
.related{padding:84px 0 0}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card-post{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.card-post:hover{transform:translateY(-4px);border-color:rgba(16,51,44,.28);box-shadow:var(--shadow-2)}
.card-thumb{aspect-ratio:16/10;overflow:hidden;background:#EDE7DA;border-bottom:1px solid var(--line)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.card-post:hover .card-thumb img{transform:scale(1.03)}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-tag{
  align-self:flex-start;display:inline-flex;align-items:center;height:24px;padding:0 11px;
  border-radius:999px;background:rgba(16,51,44,.07);color:var(--ink);
  font-size:12px;letter-spacing:.03em;
}
.card-body h3{font-size:18px;line-height:1.5;transition:color .22s var(--ease)}
.card-post:hover .card-body h3{color:var(--ink-soft)}
.card-body p{
  font-size:14px;line-height:1.75;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.card-foot .go{display:inline-flex;align-items:center;gap:6px;color:var(--ink);font-weight:500}
.card-post:hover .card-foot .go{color:var(--accent)}
.card-foot .go svg{transition:transform .24s var(--ease)}
.card-post:hover .card-foot .go svg{transform:translateX(4px)}

/* ============ 深色 CTA ============ */
.cta-band{position:relative;margin-top:92px;background:var(--ink-deep);overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-3.png) center/cover no-repeat;
  opacity:.14;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(11,36,31,.88) 0%,rgba(11,36,31,.62) 100%);
}
.cta-inner{
  position:relative;z-index:2;padding:60px 0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-inner h2{color:#F6F2EA;font-size:clamp(22px,2.4vw,30px);line-height:1.35;max-width:22ch}
.cta-inner p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(246,242,234,.72);max-width:52ch}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-deep);color:rgba(246,242,234,.72);padding:64px 0 0;font-size:14px}
.site-footer .container{max-width:1240px;padding:0 24px;margin:0 auto;width:100%}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:40px;padding-bottom:46px}
.footer-brand .brand-text{color:#F6F2EA}
.footer-brand .brand-mark{background:rgba(246,242,234,.13);color:#F6F2EA}
.footer-brand p{margin-top:16px;font-size:13.5px;line-height:1.85;color:rgba(246,242,234,.6);max-width:27ch}
.footer-col h4{
  font-family:var(--sans);font-size:12.5px;font-weight:500;letter-spacing:.1em;
  color:rgba(246,242,234,.55);margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li:last-child{margin-bottom:0}
.footer-col a{color:rgba(246,242,234,.78);font-size:14px;transition:color .22s var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-col p{font-size:13.5px;line-height:1.95;color:rgba(246,242,234,.62)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:22px 0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:rgba(246,242,234,.5);font-variant-numeric:tabular-nums;
}
.to-top{display:inline-flex;align-items:center;gap:6px;color:rgba(246,242,234,.72);transition:color .22s var(--ease)}
.to-top:hover{color:var(--accent)}

/* ============ 进入动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .62s var(--ease),transform .62s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:34px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:991px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{padding:52px 0}
  .related{padding:68px 0 0}
  .cta-band{margin-top:72px}
}
@media (max-width:767px){
  .page-wrap{padding:0 20px}
  .site-footer .container{padding:0 20px}
  .header-inner{height:66px;gap:12px}
  .site-header.is-scrolled .header-inner{height:60px}
  .brand-text{font-size:17px}
  .header-actions .btn-ink{height:40px;padding:0 16px;font-size:14px}
  .article-title{margin-top:14px}
  .article-layout{padding-top:32px;gap:36px}
  .article-body{font-size:16px;line-height:1.88}
  .article-body h2{margin-top:38px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
  .footer-brand{grid-column:1 / -1}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:44px 0}
  .cta-inner .btn-sand{width:100%}
  .empty-state{padding:64px 0 28px}
  .post-actions{flex-direction:column;align-items:flex-start}
}
@media (max-width:575px){
  .header-actions .btn-ink{display:none}
  .article-meta{font-size:12.5px;gap:10px}
  .article-head{padding-top:20px}
  .section-head{margin-bottom:26px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:34px}
  .btn-ink,.btn-ghost,.btn-sand{width:100%}
  .drawer-foot .btn-ink{width:100%}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1 !important;transform:none !important}
}

/* roulang page: category2 */
:root{
  --ink:#10332C;
  --ink-deep:#0B241F;
  --ink-soft:#1C4A40;
  --accent:#C4622D;
  --sand:#F6F2EA;
  --surface:#FFFFFF;
  --moss:#7E9A8C;
  --line:#E3DCCF;
  --text:#1A1F1D;
  --text-2:#55605B;
  --text-3:#8A938E;

  --radius-s:6px;
  --radius-c:12px;
  --radius-l:16px;
  --radius-btn:8px;

  --shadow-1:0 1px 2px rgba(16,51,44,.06);
  --shadow-2:0 18px 40px -24px rgba(16,51,44,.28);

  --font-title:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
  --font-body:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;

  --ease:cubic-bezier(.2,.7,.3,1);

  /* Bootstrap 变量重塑 */
  --bs-primary:#10332C;
  --bs-primary-rgb:16,51,44;
  --bs-body-bg:#F6F2EA;
  --bs-body-color:#1A1F1D;
  --bs-border-color:#E3DCCF;
  --bs-border-radius:12px;
  --bs-border-radius-sm:6px;
  --bs-border-radius-lg:16px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --bs-link-color:#10332C;
  --bs-link-hover-color:#C4622D;
  --bs-secondary-color:#55605B;
}

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

html{scroll-behavior:smooth;}

body{
  margin:0;
  background:var(--sand);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;display:block;height:auto;}

a{
  color:var(--ink);
  text-decoration:none;
  transition:color 240ms var(--ease);
}

a:hover{color:var(--accent);}

p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}

ul,ol{margin:0;padding:0;list-style:none;}

h1,h2,h3,h4{
  font-family:var(--font-title);
  color:var(--ink);
  letter-spacing:-.01em;
  margin:0;
  font-weight:600;
}

h1{font-size:clamp(34px,4.4vw,58px);line-height:1.18;}
h2{font-size:clamp(24px,2.6vw,38px);line-height:1.25;}
h3{font-size:20px;line-height:1.45;font-weight:600;}

::selection{background:rgba(196,98,45,.18);color:var(--ink-deep);}

:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:4px;
}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 通用按钮 ---------- */
.btn{
  --bs-btn-focus-box-shadow:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-family:var(--font-body);
  font-size:15px;
  font-weight:500;
  line-height:1;
  padding:14px 24px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color 240ms var(--ease),color 240ms var(--ease),border-color 240ms var(--ease),transform 240ms var(--ease),box-shadow 240ms var(--ease);
}

.btn svg{transition:transform 240ms var(--ease);}

.btn-primary{
  background:var(--ink);
  border-color:var(--ink);
  color:#F7F4ED;
}
.btn-primary:hover,
.btn-primary:focus-visible{
  background:var(--ink-deep);
  border-color:var(--ink-deep);
  color:#F7F4ED;
  transform:translateY(-1px);
}
.btn-primary:hover svg{transform:translateX(4px);}

.btn-ghost{
  background:transparent;
  border-color:rgba(16,51,44,.32);
  color:var(--ink);
}
.btn-ghost:hover,
.btn-ghost:focus-visible{
  background:rgba(16,51,44,.05);
  border-color:var(--ink);
  color:var(--ink);
}

.btn-sm{padding:11px 18px;font-size:14px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:900;
  background:rgba(246,242,234,.96);
  border-bottom:1px solid var(--line);
  transition:background-color 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}

.site-header.is-scrolled{
  background:rgba(246,242,234,.92);
  backdrop-filter:saturate(140%) blur(8px);
  -webkit-backdrop-filter:saturate(140%) blur(8px);
  border-bottom-color:rgba(16,51,44,.16);
  box-shadow:0 6px 20px -18px rgba(16,51,44,.5);
}

.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:76px;
  transition:height 220ms var(--ease);
}

.site-header.is-scrolled .header-inner{height:64px;}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink);
}

.brand-mark{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--ink);
  color:#F6F2EA;
  flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;}

.brand-text{
  font-family:var(--font-title);
  font-size:19px;
  font-weight:600;
  letter-spacing:.01em;
  white-space:nowrap;
}

.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}

.nav-links a{
  position:relative;
  font-size:15px;
  color:var(--text);
  padding:9px 12px;
  border-radius:var(--radius-s);
  white-space:nowrap;
  transition:color 220ms var(--ease),background-color 220ms var(--ease);
}

.nav-links a::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform 240ms var(--ease);
  border-radius:2px;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after{transform:scaleX(1);}

.nav-links a.active{color:var(--ink);font-weight:600;}
.nav-links a.active::after{transform:scaleX(1);}

.nav-links .nav-pill{
  border:1px solid rgba(16,51,44,.22);
  padding:8px 14px;
  font-size:14.5px;
  color:var(--ink-soft);
}
.nav-links .nav-pill::after{display:none;}
.nav-links .nav-pill:hover{
  background:rgba(16,51,44,.06);
  border-color:rgba(16,51,44,.42);
  color:var(--ink);
}
.nav-links .nav-pill.active{
  background:var(--ink);
  border-color:var(--ink);
  color:#F7F4ED;
  font-weight:500;
}
.nav-links .nav-pill.active:hover{background:var(--ink-deep);border-color:var(--ink-deep);color:#F7F4ED;}

.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.header-cta{height:44px;padding:0 22px;font-size:15px;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:transparent;
  border:1px solid rgba(16,51,44,.22);
  border-radius:var(--radius-btn);
  color:var(--ink);
  cursor:pointer;
}
.nav-toggle:hover{background:rgba(16,51,44,.06);}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(11,36,31,.42);
  opacity:0;visibility:hidden;
  transition:opacity 260ms var(--ease),visibility 260ms var(--ease);
  z-index:1000;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:86vw;
  max-width:380px;
  background:var(--sand);
  border-left:1px solid var(--line);
  transform:translateX(100%);
  transition:transform 300ms var(--ease);
  z-index:1001;
  display:flex;
  flex-direction:column;
  padding:20px 22px 28px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}

.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}

.drawer-close{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);
  border-radius:var(--radius-btn);color:var(--ink);cursor:pointer;
}
.drawer-close:hover{background:rgba(16,51,44,.06);}

.drawer-links{display:flex;flex-direction:column;gap:4px;padding:18px 0;}
.drawer-links a{
  padding:13px 12px;
  border-radius:var(--radius-s);
  font-size:16px;
  color:var(--text);
  border:1px solid transparent;
}
.drawer-links a:hover{background:rgba(16,51,44,.05);color:var(--ink);}
.drawer-links a.active{
  background:var(--ink);
  color:#F7F4ED;
  font-weight:500;
}

.drawer-foot{
  margin-top:auto;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;flex-direction:column;gap:12px;
}
.drawer-foot p{font-size:14px;color:var(--text-2);margin:0;}

/* ---------- 面包屑 ---------- */
.crumbs{
  padding:22px 0 0;
}
.crumbs ol{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);
}
.crumbs li{display:inline-flex;align-items:center;gap:8px;}
.crumbs li::after{content:"/";color:var(--line);}
.crumbs li:last-child::after{content:"";}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--accent);}
.crumbs .current{color:var(--text);font-weight:500;}

/* ---------- 眉标 ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12.5px;
  letter-spacing:.08em;
  color:var(--ink-soft);
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:16px;height:2px;
  background:var(--accent);
  border-radius:2px;
  display:inline-block;
}

/* ---------- Hero ---------- */
.page-hero{
  padding:34px 0 64px;
}

.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:56px;
  align-items:center;
}

.hero-copy h1{margin-bottom:20px;}

.hero-lead{
  font-size:17px;
  line-height:1.85;
  color:var(--text-2);
  max-width:46ch;
  margin-bottom:26px;
}

.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13.5px;
  color:var(--text-3);
}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.hero-meta i{
  width:6px;height:6px;border-radius:50%;
  background:var(--moss);
  display:inline-block;
}

.hero-figure{
  position:relative;
  border-radius:var(--radius-l);
  overflow:hidden;
  border:1px solid var(--line);
  background:#EDE8DC;
  box-shadow:var(--shadow-1);
}
.hero-figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.hero-figure::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,36,31,0) 45%,rgba(11,36,31,.30) 100%);
  pointer-events:none;
}
.hero-figure figcaption{
  position:absolute;
  left:18px;bottom:16px;
  z-index:2;
  font-size:13px;
  color:#F3EFE5;
  letter-spacing:.02em;
}

/* ---------- 板块基础 ---------- */
.section{padding:92px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:#F1ECE1;}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:44px;
  flex-wrap:wrap;
}
.section-head .head-text{max-width:640px;}
.section-head h2{margin-bottom:12px;}
.section-head p{
  font-size:15.5px;
  color:var(--text-2);
  max-width:52ch;
  margin:0;
}
.section-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;color:var(--ink);
  border-bottom:1px solid rgba(16,51,44,.28);
  padding-bottom:3px;
  white-space:nowrap;
}
.section-link:hover{color:var(--accent);border-bottom-color:var(--accent);}
.section-link:hover svg{transform:translateX(4px);}
.section-link svg{transition:transform 240ms var(--ease);}

/* ---------- 时间线 ---------- */
.timeline-wrap{
  display:grid;
  grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);
  gap:56px;
  align-items:start;
}

.timeline-aside{
  position:sticky;
  top:104px;
}
.timeline-aside h2{margin-bottom:16px;}
.timeline-aside p{font-size:15.5px;color:var(--text-2);max-width:34ch;}
.aside-note{
  margin-top:26px;
  padding:20px 22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid var(--accent);
  border-radius:var(--radius-c);
  font-size:14px;
  color:var(--text-2);
  box-shadow:var(--shadow-1);
}
.aside-note strong{color:var(--ink);font-weight:600;}

.timeline{
  position:relative;
  padding-left:0;
}
.timeline::before{
  content:"";
  position:absolute;
  left:23px;
  top:14px;
  bottom:26px;
  width:2px;
  background:linear-gradient(180deg,var(--moss),var(--line));
  border-radius:2px;
}

.timeline-item{
  position:relative;
  padding:0 0 40px 76px;
}
.timeline-item:last-child{padding-bottom:0;}

.timeline-node{
  position:absolute;
  left:0;top:0;
  width:48px;height:48px;
  border-radius:50%;
  background:var(--surface);
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-title);
  font-size:15px;
  font-weight:600;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  box-shadow:var(--shadow-1);
  z-index:2;
}

.timeline-item h3{
  margin-bottom:8px;
  padding-top:8px;
}
.timeline-item .step-desc{
  font-size:15.5px;
  color:var(--text-2);
  margin-bottom:14px;
  max-width:52ch;
}

.tick-list{
  display:flex;
  flex-direction:column;
  gap:9px;
}
.tick-list li{
  position:relative;
  padding-left:22px;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.75;
}
.tick-list li::before{
  content:"";
  position:absolute;
  left:2px;top:9px;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--moss);
}
.tick-list li strong{color:var(--ink);font-weight:600;}

/* ---------- 三阶段卡 ---------- */
.stage-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.stage-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-c);
  padding:28px;
  box-shadow:var(--shadow-1);
  transition:transform 260ms var(--ease),box-shadow 260ms var(--ease),border-color 260ms var(--ease);
}
.stage-card:hover{
  transform:translateY(-4px);
  border-color:rgba(16,51,44,.28);
  box-shadow:var(--shadow-2);
}
.stage-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(16,51,44,.07);
  color:var(--ink-soft);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.stage-card h3{margin-bottom:10px;font-size:19px;}
.stage-card p{font-size:14.5px;color:var(--text-2);margin:0;}
.stage-card ul{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);}

/* ---------- 参数式清单 ---------- */
.spec-block{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:8px 32px;
  box-shadow:var(--shadow-1);
}
.spec-row{
  display:grid;
  grid-template-columns:220px minmax(0,1fr);
  gap:24px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
  align-items:baseline;
}
.spec-row:last-child{border-bottom:none;}
.spec-key{
  font-family:var(--font-title);
  font-size:16px;
  color:var(--ink);
  font-weight:600;
}
.spec-val{
  font-size:15px;
  color:var(--text-2);
}
.spec-val em{
  font-style:normal;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}

.accordion{
  --bs-accordion-border-color:var(--line);
  --bs-accordion-border-width:0;
  --bs-accordion-bg:transparent;
  --bs-accordion-btn-bg:transparent;
  --bs-accordion-active-bg:transparent;
  --bs-accordion-active-color:var(--ink);
  --bs-accordion-btn-color:var(--ink);
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-color:var(--text-2);
  border-top:1px solid var(--line);
}

.accordion-item{
  background:transparent;
  border:none;
  border-bottom:1px solid var(--line);
}

.accordion-button{
  font-family:var(--font-title);
  font-size:17.5px;
  font-weight:600;
  color:var(--ink);
  padding:24px 44px 24px 52px;
  background:transparent;
  line-height:1.5;
  box-shadow:none !important;
}
.accordion-button:not(.collapsed){color:var(--ink);background:transparent;}
.accordion-button::after{
  background-image:none;
  content:"";
  position:absolute;
  right:16px;top:50%;
  width:14px;height:14px;
  transform:translateY(-50%);
  border-right:1.6px solid var(--ink-soft);
  border-bottom:1.6px solid var(--ink-soft);
  transition:transform 240ms var(--ease);
  margin:0;
}
.accordion-button::before{
  content:"";
  position:absolute;
  right:16px;top:50%;
  width:14px;height:14px;
  transform:translateY(-50%);
  border-left:1.6px solid var(--ink-soft);
  border-top:1.6px solid var(--ink-soft);
  transition:transform 240ms var(--ease);
  opacity:0;
}
.accordion-button:not(.collapsed)::after{
  transform:translateY(-50%) rotate(45deg);
}
.accordion-button:not(.collapsed)::before{
  opacity:0;
}

.accordion-body{
  padding:0 44px 26px 52px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--text-2);
}
.faq-index{
  position:absolute;
  left:0;
  top:26px;
  font-family:var(--font-title);
  font-size:14px;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}

/* ---------- 跨分类内链 ---------- */
.link-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.link-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-c);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform 260ms var(--ease),box-shadow 260ms var(--ease),border-color 260ms var(--ease);
  color:inherit;
  height:100%;
}
.link-card:hover{
  transform:translateY(-4px);
  border-color:rgba(16,51,44,.28);
  box-shadow:var(--shadow-2);
  color:inherit;
}
.link-card .thumb{
  overflow:hidden;
  background:#EDE8DC;
}
.link-card .thumb img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform 400ms var(--ease);
}
.link-card:hover .thumb img{transform:scale(1.03);}
.link-card .body{
  padding:22px 24px 24px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.link-card h3{font-size:19px;}
.link-card p{font-size:14.5px;color:var(--text-2);margin:0;}
.link-card .go{
  margin-top:auto;
  padding-top:14px;
  font-size:14px;
  color:var(--ink-soft);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.link-card:hover .go{color:var(--accent);}
.link-card .go svg{transition:transform 240ms var(--ease);}
.link-card:hover .go svg{transform:translateX(4px);}

/* ---------- 深色 CTA 条 ---------- */
.cta-band{
  background:var(--ink-deep);
  color:#EDE8DC;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  opacity:.18;
  filter:saturate(.7);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  padding:76px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.cta-inner h2{color:#F6F2EA;margin-bottom:12px;}
.cta-inner p{color:rgba(246,242,234,.72);font-size:15.5px;margin:0;max-width:56ch;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-band .btn-primary{
  background:#F6F2EA;
  border-color:#F6F2EA;
  color:var(--ink-deep);
}
.cta-band .btn-primary:hover{
  background:#fff;
  border-color:#fff;
  color:var(--ink-deep);
}
.cta-band .btn-ghost{
  border-color:rgba(246,242,234,.36);
  color:#F6F2EA;
}
.cta-band .btn-ghost:hover{
  background:rgba(246,242,234,.1);
  border-color:rgba(246,242,234,.7);
  color:#fff;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-deep);
  color:rgba(246,242,234,.78);
  padding:64px 0 0;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.45fr 1fr 1fr 1.15fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand{color:#F6F2EA;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(246,242,234,.12);color:#F6F2EA;}
.footer-brand p{color:rgba(246,242,234,.62);font-size:14px;max-width:30ch;margin:0;}

.footer-col h4{
  font-family:var(--font-body);
  font-size:13px;
  letter-spacing:.1em;
  color:rgba(246,242,234,.55);
  margin-bottom:16px;
  font-weight:500;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{
  color:rgba(246,242,234,.82);
  font-size:14.5px;
}
.footer-col a:hover{color:var(--accent);}
.footer-col p{color:rgba(246,242,234,.62);font-size:14px;margin:0;line-height:1.9;}

.footer-bottom{
  border-top:1px solid rgba(246,242,234,.14);
  padding:22px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(246,242,234,.55);
}
.to-top{
  display:inline-flex;align-items:center;gap:7px;
  color:rgba(246,242,234,.72);
  font-size:13px;
}
.to-top:hover{color:var(--accent);}

/* ---------- 进入动效 ---------- */
.reveal-init{opacity:0;transform:translateY(12px);}
.reveal-in{
  opacity:1;
  transform:translateY(0);
  transition:opacity 560ms var(--ease),transform 560ms var(--ease);
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal-init{opacity:1;transform:none;}
  *,*::before,*::after{
    transition-duration:.01ms !important;
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
  }
}

/* ---------- 响应式 ---------- */
@media (max-width:1399px){
  .container{max-width:1220px;}
}

@media (max-width:1199px){
  .header-inner{gap:18px;}
  .nav-links{gap:2px;}
  .nav-links a{padding:8px 9px;font-size:14.5px;}
  .nav-links .nav-pill{padding:7px 11px;font-size:14px;}
  .hero-grid{gap:40px;}
  .timeline-wrap{gap:40px;grid-template-columns:1fr;}
  .timeline-aside{position:static;}
  .timeline-aside p{max-width:60ch;}
}

@media (max-width:991px){
  .nav-links,.header-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:68px;}
  .site-header.is-scrolled .header-inner{height:60px;}

  .section{padding:76px 0;}
  .section-tight{padding:56px 0;}

  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-figure img{aspect-ratio:16/10;}
  .page-hero{padding:24px 0 52px;}

  .stage-grid{grid-template-columns:1fr;}
  .stage-card{display:block;}

  .link-grid{grid-template-columns:1fr 1fr;}
  .spec-block{padding:4px 24px;}
  .spec-row{grid-template-columns:1fr;gap:6px;padding:18px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{padding:60px 0;}
}

@media (max-width:767px){
  .container{padding:0 20px;}
  body{font-size:16px;}
  .section{padding:56px 0;}
  .section-tight{padding:44px 0;}
  .section-head{margin-bottom:32px;gap:16px;}
  .brand-text{font-size:17px;}
  .brand-mark{width:32px;height:32px;border-radius:9px;}

  .hero-lead{font-size:16px;}
  .timeline-item{padding-left:62px;padding-bottom:32px;}
  .timeline::before{left:19px;}
  .timeline-node{width:40px;height:40px;font-size:14px;}
  .timeline-item h3{padding-top:4px;font-size:18.5px;}

  .accordion-button{padding:20px 40px 20px 44px;font-size:16px;}
  .accordion-body{padding:0 30px 22px 44px;font-size:15px;}

  .link-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:34px;}
  .site-footer{padding-top:48px;}

  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
}

@media (max-width:520px){
  .hero-meta{flex-direction:column;gap:8px;}
  .btn{width:100%;}
  .cta-actions{flex-direction:column;}
  .spec-val{font-size:14.5px;}
  .crumbs ol{font-size:12.5px;}
}

/* roulang page: category3 */
:root{
  --ink:#10332C;
  --ink-deep:#0B241F;
  --ink-soft:#1C4A40;
  --accent:#C4622D;
  --sand:#F6F2EA;
  --surface:#FFFFFF;
  --moss:#7E9A8C;
  --line:#E3DCCF;
  --text:#1A1F1D;
  --text-2:#55605B;
  --text-3:#8A938E;
  --radius-s:6px;
  --radius-m:12px;
  --radius-l:16px;
  --shadow-1:0 1px 2px rgba(16,51,44,.06);
  --shadow-2:0 18px 40px -24px rgba(16,51,44,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#10332C;
  --bs-body-bg:#F6F2EA;
  --bs-body-color:#1A1F1D;
  --bs-border-color:#E3DCCF;
  --bs-border-radius:12px;
  --bs-border-radius-sm:6px;
  --bs-border-radius-lg:16px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --bs-link-color:#10332C;
  --bs-link-hover-color:#C4622D;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
  color:var(--ink);
  font-weight:600;
  letter-spacing:-0.01em;
  margin:0;
}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a{color:var(--ink);text-decoration:none;transition:color .24s var(--ease)}
a:hover{color:var(--accent)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.skip-link{
  position:absolute;left:16px;top:-60px;z-index:2000;
  background:var(--ink);color:#fff;padding:10px 18px;border-radius:0 0 8px 8px;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:0;color:#fff}

/* ---------- 容器 ---------- */
.container{
  width:100%;
  max-width:1240px;
  padding-left:24px;
  padding-right:24px;
  margin-left:auto;
  margin-right:auto;
}
@media (min-width:1400px){
  .container{max-width:1320px}
}
@media (max-width:767.98px){
  .container{padding-left:20px;padding-right:20px}
}

/* ---------- 按钮 ---------- */
.btn{
  --bs-btn-focus-box-shadow:0 0 0 3px rgba(196,98,45,.28);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  font-size:15.5px;
  font-weight:500;
  line-height:1;
  border-radius:8px;
  border:1px solid transparent;
  transition:background-color .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
  white-space:nowrap;
}
.btn i,.btn svg{transition:transform .24s var(--ease)}
.btn-primary{
  background:var(--ink);
  border-color:var(--ink);
  color:#fff;
  box-shadow:var(--shadow-1);
}
.btn-primary:hover,.btn-primary:focus{
  background:var(--ink-deep);
  border-color:var(--ink-deep);
  color:#fff;
  transform:translateY(-1px);
}
.btn-primary:hover svg,.btn-primary:hover i{transform:translateX(4px)}
.btn-outline{
  background:transparent;
  border-color:rgba(16,51,44,.28);
  color:var(--ink);
}
.btn-outline:hover,.btn-outline:focus{
  border-color:var(--ink);
  background:rgba(16,51,44,.04);
  color:var(--ink);
  transform:translateY(-1px);
}
.btn-sm{height:44px;padding:0 22px;font-size:15px}
.btn-light-outline{
  background:transparent;border-color:rgba(255,255,255,.36);color:#fff;
}
.btn-light-outline:hover{border-color:#fff;background:rgba(255,255,255,.1);color:#fff}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(246,242,234,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:height .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.site-header .header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:76px;
  transition:height .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);background:rgba(246,242,234,.97)}
.site-header.is-scrolled .header-inner{height:64px}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:34px;height:34px;border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink);color:#fff;
  box-shadow:var(--shadow-1);
}
.brand-mark svg{width:19px;height:19px}
.brand-text{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:19px;
  font-weight:600;
  color:var(--ink);
  letter-spacing:0;
  white-space:nowrap;
}
.brand:hover .brand-text{color:var(--ink-soft)}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 13px;
  font-size:15px;
  color:var(--text);
  border-radius:8px;
  transition:color .24s var(--ease),background-color .24s var(--ease),border-color .24s var(--ease);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:13px;right:13px;bottom:3px;
  height:2px;
  background:var(--accent);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .24s var(--ease);
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--ink);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.nav-links .nav-pill{
  border:1px solid rgba(16,51,44,.16);
  color:var(--ink-soft);
  font-size:14.5px;
}
.nav-links .nav-pill:hover{background:rgba(16,51,44,.05);border-color:rgba(16,51,44,.34)}
.nav-links .nav-pill.active{
  background:rgba(16,51,44,.07);
  border-color:var(--ink);
  color:var(--ink);
}
.nav-links .nav-pill.active::after{transform:scaleX(0)}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid rgba(16,51,44,.2);
  background:#fff;
  border-radius:8px;
  color:var(--ink);
  font-size:17px;
}
.nav-toggle:hover{background:rgba(16,51,44,.05)}

/* ---------- 移动端抽屉 ---------- */
.drawer-backdrop{
  position:fixed;inset:0;
  background:rgba(11,36,31,.42);
  z-index:1050;
  opacity:0;
  pointer-events:none;
  transition:opacity .24s var(--ease);
}
.drawer-backdrop.show{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:86vw;
  max-width:380px;
  background:var(--sand);
  z-index:1060;
  transform:translateX(100%);
  transition:transform .3s var(--ease);
  display:flex;
  flex-direction:column;
  padding:20px 22px 28px;
  border-left:1px solid var(--line);
  overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:16px;border-bottom:1px solid var(--line);
}
.drawer-close{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;border-radius:8px;color:var(--ink);
}
.drawer-close:hover{background:rgba(16,51,44,.05)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-top:18px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 14px;border-radius:8px;font-size:16px;color:var(--text);
  border:1px solid transparent;
}
.drawer-nav a:hover{background:#fff;border-color:var(--line)}
.drawer-nav a.active{background:#fff;border-color:var(--ink);color:var(--ink);font-weight:600}
.drawer-nav a span.dot{width:6px;height:6px;border-radius:50%;background:var(--accent);opacity:0}
.drawer-nav a.active span.dot{opacity:1}
.drawer-divider{height:1px;background:var(--line);margin:20px 0 16px}
.drawer-meta{font-size:13.5px;color:var(--text-2);line-height:1.8;margin-bottom:18px}
.drawer .btn{width:100%}
body.no-scroll{overflow:hidden}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.08em;
  color:var(--ink-soft);
  margin-bottom:14px;
  font-weight:500;
}
.eyebrow::before{
  content:"";width:16px;height:2px;background:var(--accent);border-radius:2px;
}
.eyebrow.on-dark{color:rgba(255,255,255,.72)}
.section-title{
  font-size:clamp(24px,2.6vw,38px);
  line-height:1.25;
  margin-bottom:16px;
}
.section-desc{
  color:var(--text-2);
  font-size:16px;
  max-width:720px;
  line-height:1.85;
}
.section-head{margin-bottom:40px}

/* ---------- 面包屑 ---------- */
.breadcrumb-wrap{padding-top:26px}
.breadcrumb-list{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);
}
.breadcrumb-list a{color:var(--text-2)}
.breadcrumb-list a:hover{color:var(--accent)}
.breadcrumb-list .sep{color:var(--text-3);opacity:.7}
.breadcrumb-list .current{color:var(--text);font-weight:500}

/* ---------- 首屏 ---------- */
.page-hero{padding:22px 0 84px}
.hero-grid{
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:56px;
  align-items:center;
}
.hero-copy h1{
  font-size:clamp(34px,4.4vw,58px);
  line-height:1.18;
  letter-spacing:-0.01em;
  margin-bottom:20px;
}
.hero-sub{
  font-size:17px;
  color:var(--text-2);
  line-height:1.85;
  max-width:520px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-points{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:13.5px;color:var(--text-2);
}
.hero-points .point{display:inline-flex;align-items:center;gap:7px}
.hero-points .point i{color:var(--moss);font-size:13px}
.hero-points .bar{width:1px;height:13px;background:var(--line)}
.hero-figure{
  position:relative;
  background:#fff;
  padding:8px;
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:var(--shadow-1);
}
.hero-figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:12px;
  background:#EFEAE0;
}
.figure-tag{
  position:absolute;
  left:22px;bottom:22px;
  display:inline-flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  border-radius:10px;
  padding:10px 16px;
  box-shadow:var(--shadow-2);
  font-size:13.5px;
  color:var(--ink);
}
.figure-tag strong{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:20px;
  color:var(--accent);
  font-weight:600;
  font-variant-numeric:tabular-nums;
}
.figure-tag span{color:var(--text-2);font-size:13px;line-height:1.4}

/* ---------- 2×2 信息卡 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.info-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:14px;
  padding:28px;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
  box-shadow:var(--shadow-1);
}
.info-card:hover{
  transform:translateY(-4px);
  border-color:rgba(16,51,44,.28);
  box-shadow:var(--shadow-2);
}
.info-icon{
  width:46px;height:46px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:rgba(16,51,44,.07);
  color:var(--ink);
  font-size:18px;
  margin-bottom:18px;
  transition:background-color .26s var(--ease),color .26s var(--ease);
}
.info-card:hover .info-icon{background:var(--ink);color:#fff}
.info-card h3{
  font-size:21px;
  line-height:1.45;
  margin-bottom:10px;
}
.info-card p{
  font-size:15.5px;
  color:var(--text-2);
  line-height:1.85;
}
.card-foot{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;gap:8px;
  font-size:13.5px;color:var(--text-3);
}
.card-foot i{color:var(--accent);font-size:12px}

/* ---------- 参数式清单 ---------- */
.spec-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  padding:12px 32px;
  box-shadow:var(--shadow-1);
}
.spec-row{
  display:grid;
  grid-template-columns:236px minmax(0,1fr);
  gap:28px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
  align-items:start;
}
.spec-row:last-child{border-bottom:none}
.spec-label{
  display:flex;align-items:center;gap:10px;
  font-size:14.5px;
  color:var(--text-2);
  font-weight:500;
}
.spec-label::before{
  content:"";
  width:7px;height:7px;
  border-radius:2px;
  background:var(--accent);
  flex-shrink:0;
}
.spec-value{
  font-size:15.5px;
  color:var(--text);
  line-height:1.85;
}
.spec-value em{
  font-style:normal;
  font-variant-numeric:tabular-nums;
  color:var(--ink);
  font-weight:600;
}

/* ---------- 数据带 ---------- */
.stats-strip{
  background:var(--ink-deep);
  padding:64px 0;
  color:#fff;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
}
.stat{
  padding:0 26px;
  border-left:1px solid rgba(255,255,255,.14);
}
.stat:first-child{border-left:none;padding-left:0}
.stat-num{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:clamp(30px,3vw,42px);
  line-height:1.15;
  font-weight:600;
  color:#fff;
  font-variant-numeric:tabular-nums;
  display:flex;
  align-items:baseline;
  gap:6px;
  margin-bottom:8px;
}
.stat-num .unit{
  font-size:14px;
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;
  font-weight:400;
  color:rgba(255,255,255,.68);
}
.stat p{
  font-size:14px;
  color:rgba(255,255,255,.66);
  line-height:1.7;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-trigger{
  width:100%;
  display:flex;
  align-items:center;
  gap:18px;
  padding:24px 4px;
  background:transparent;
  border:none;
  text-align:left;
  cursor:pointer;
  color:var(--text);
}
.faq-index{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:15px;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  flex-shrink:0;
  width:26px;
}
.faq-q{
  flex:1;
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:18px;
  font-weight:600;
  color:var(--ink);
  line-height:1.5;
  transition:color .24s var(--ease);
}
.faq-trigger:hover .faq-q{color:var(--ink-soft)}
.faq-sign{
  flex-shrink:0;
  width:30px;height:30px;
  position:relative;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  transition:background-color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.faq-sign::before,.faq-sign::after{
  content:"";
  position:absolute;
  top:50%;left:50%;
  background:var(--ink);
  border-radius:2px;
  transform:translate(-50%,-50%);
  transition:opacity .24s var(--ease),background-color .24s var(--ease);
}
.faq-sign::before{width:12px;height:1.6px}
.faq-sign::after{width:1.6px;height:12px}
.faq-item.open .faq-sign{background:var(--ink);border-color:var(--ink);transform:rotate(180deg)}
.faq-item.open .faq-sign::before,
.faq-item.open .faq-sign::after{background:#fff}
.faq-item.open .faq-sign::after{opacity:0}
.faq-panel{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .24s var(--ease);
}
.faq-item.open .faq-panel{grid-template-rows:1fr}
.faq-panel-inner{overflow:hidden}
.faq-panel-inner p{
  padding:0 48px 26px 48px;
  font-size:15.5px;
  color:var(--text-2);
  line-height:1.85;
}

/* ---------- 跨分类内链 ---------- */
.link-cards{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.link-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
  color:var(--text);
}
.link-card:hover{
  transform:translateY(-4px);
  border-color:rgba(16,51,44,.28);
  box-shadow:var(--shadow-2);
  color:var(--text);
}
.link-card figure{
  margin:0;
  overflow:hidden;
  background:#EFEAE0;
}
.link-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .26s var(--ease);
}
.link-card:hover img{transform:scale(1.03)}
.link-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge-tag{
  display:inline-flex;align-items:center;
  align-self:flex-start;
  padding:4px 12px;
  border-radius:999px;
  background:rgba(16,51,44,.07);
  color:var(--ink-soft);
  font-size:12.5px;
  line-height:1.6;
}
.link-card h3{font-size:19px;line-height:1.45}
.link-card p{font-size:14.5px;color:var(--text-2);line-height:1.8}
.link-arrow{
  margin-top:auto;
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--ink);font-weight:500;
}
.link-card:hover .link-arrow i{transform:translateX(4px)}
.link-arrow i{font-size:12px;transition:transform .24s var(--ease)}

/* ---------- 深色 CTA ---------- */
.cta-band{
  position:relative;
  background-color:var(--ink-deep);
  background-image:linear-gradient(rgba(11,36,31,.93),rgba(11,36,31,.93)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  padding:84px 0;
  color:#fff;
  text-align:center;
}
.cta-band h2{
  color:#fff;
  font-size:clamp(24px,2.8vw,36px);
  line-height:1.3;
  margin-bottom:16px;
}
.cta-band p{
  color:rgba(255,255,255,.76);
  font-size:16px;
  max-width:620px;
  margin:0 auto 30px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-deep);
  color:rgba(255,255,255,.72);
  padding:72px 0 0;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:44px;
  padding-bottom:52px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);color:#fff}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text:hover{color:#fff}
.footer-brand p{color:rgba(255,255,255,.62);font-size:14px;line-height:1.8;max-width:280px}
.footer-col h4{
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:13px;
  letter-spacing:.08em;
  color:rgba(255,255,255,.6);
  font-weight:500;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:rgba(255,255,255,.78);font-size:14.5px}
.footer-col a:hover{color:var(--accent)}
.footer-col p{color:rgba(255,255,255,.62);font-size:14px;line-height:1.9}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:rgba(255,255,255,.55);
}
.to-top{
  display:inline-flex;align-items:center;gap:7px;
  color:rgba(255,255,255,.72);
  font-size:13.5px;
}
.to-top:hover{color:var(--accent)}

/* ---------- 进入动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
}
.reveal.in{opacity:1;transform:translateY(0)}

/* ---------- 断点 ---------- */
@media (min-width:992px) and (max-width:1199.98px){
  .nav-links a{padding:0 10px;font-size:14.5px}
  .nav-links .nav-pill{font-size:14px}
  .hero-grid{gap:40px}
  .spec-row{grid-template-columns:200px minmax(0,1fr);gap:22px}
}
@media (max-width:991.98px){
  .nav-links{display:none}
  .header-actions .btn{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:80px 0}
  .page-hero{padding:18px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-figure{order:2}
  .hero-sub{max-width:none}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .link-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 0}
  .stat{border-left:none;padding:0 20px}
  .stat:nth-child(odd){padding-left:0}
  .stat:nth-child(even){border-left:1px solid rgba(255,255,255,.14)}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}
  .spec-panel{padding:10px 22px}
  .spec-row{grid-template-columns:1fr;gap:6px}
  .spec-value{font-size:15px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .page-hero{padding:14px 0 52px}
  .hero-copy h1{font-size:clamp(32px,7.4vw,44px)}
  .hero-sub{font-size:16px;margin-bottom:22px}
  .hero-actions{margin-bottom:22px}
  .hero-actions .btn{flex:1 1 auto}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .info-card{padding:24px}
  .link-cards{grid-template-columns:1fr;gap:18px}
  .stats-strip{padding:48px 0}
  .stat{padding:0 16px}
  .faq-q{font-size:16.5px}
  .faq-trigger{gap:12px;padding:20px 2px}
  .faq-panel-inner p{padding:0 6px 22px 38px;font-size:15px}
  .cta-band{padding:60px 0}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .figure-tag{left:14px;bottom:14px;padding:8px 12px;font-size:12.5px}
  .figure-tag strong{font-size:17px}
  .breadcrumb-wrap{padding-top:18px}
}
@media (max-width:575.98px){
  .hero-actions .btn{width:100%;flex:1 1 100%}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat{border-left:none !important;padding:0 !important}
  .stat p{font-size:13.5px}
  .brand-text{font-size:17px}
  .cta-actions .btn{width:100%}
  .spec-panel{padding:6px 16px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none}
}