/* roulang page: index */
:root{
  --brand:#E8452B;
  --brand-dark:#B32D17;
  --brand-soft:#FDECE8;
  --amber:#F2A93B;
  --ink:#0E3B39;
  --ink-2:#14211F;
  --teal:#1F7A6B;
  --cream:#FBF7F1;
  --sand:#F3EADF;
  --line:#EADFD3;
  --muted:#6B6360;
  --disabled:#B9AFA6;
  --card:#FFFFFF;
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow:0 10px 28px rgba(20,33,31,.08);
  --shadow-hover:0 20px 44px rgba(232,69,43,.16);
  --grad:linear-gradient(120deg,#E8452B 0%,#F2A93B 100%);
  --grad-dark:linear-gradient(135deg,#0E3B39 0%,#1F7A6B 100%);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body.site-body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--cream);
  color:var(--ink-2);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 24px;}}

/* ============ header / nav ============ */
.site-header{position:sticky;top:0;z-index:70;padding:12px 0;transition:padding .24s ease;}
.site-header.scrolled{padding-top:6px;}
.nav-shell{
  display:flex;align-items:center;gap:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:20px;
  padding:12px 16px;
  transition:box-shadow .24s ease;
}
.site-header.scrolled .nav-shell{box-shadow:0 12px 30px rgba(20,33,31,.10);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.16em;}
.nav-cards{display:none;gap:8px;flex:1;justify-content:center;}
.nav-card{
  width:88px;height:64px;border-radius:14px;border:1px solid transparent;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  font-size:13px;color:var(--muted);transition:background .2s,color .2s,border-color .2s,transform .2s;
}
.nav-card i{font-size:16px;color:var(--brand);transition:transform .2s;}
.nav-card:hover{background:var(--brand-soft);border-color:rgba(232,69,43,.25);color:var(--ink);transform:translateY(-1px);}
.nav-card.active{
  background:linear-gradient(var(--brand-soft),var(--brand-soft)) padding-box,var(--grad) border-box;
  border:1px solid transparent;color:var(--brand-dark);font-weight:600;
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
@media(min-width:1024px){.nav-cards{display:flex;} .nav-actions{margin-left:0;}}
.menu-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--ink);cursor:pointer;transition:.2s;
}
.menu-toggle:hover{background:var(--brand-soft);border-color:rgba(232,69,43,.3);color:var(--brand);}
@media(min-width:1024px){.menu-toggle{display:none;}}

.mobile-panel{
  position:fixed;inset:0;z-index:90;background:rgba(14,59,57,.45);
  opacity:0;pointer-events:none;transition:opacity .24s ease;
}
.mobile-panel.open{opacity:1;pointer-events:auto;}
.mobile-sheet{
  position:absolute;left:0;right:0;bottom:0;background:var(--cream);
  border-radius:26px 26px 0 0;padding:22px 20px 26px;
  transform:translateY(24px);transition:transform .26s ease;
}
.mobile-panel.open .mobile-sheet{transform:translateY(0);}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.mobile-grid .nav-card{width:100%;height:76px;background:#fff;border-color:var(--line);}
.mobile-grid .nav-card.active{
  background:linear-gradient(var(--brand-soft),var(--brand-soft)) padding-box,var(--grad) border-box;
  border:1px solid transparent;
}
.mobile-foot{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted);}

/* ============ 按钮 / 链接 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn i{transition:transform .2s ease;}
.btn:hover i{transform:translateX(2px);}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(232,69,43,.22);}
.btn-primary:hover{background-image:var(--grad);transform:translateY(-2px);box-shadow:0 16px 34px rgba(232,69,43,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(232,69,43,.22);}
.btn-ghost{background:transparent;border:1.5px solid var(--ink);color:var(--ink);}
.btn-ghost:hover{background:rgba(14,59,57,.08);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{background:#fff;color:var(--brand);box-shadow:0 12px 26px rgba(20,33,31,.16);}
.btn-light:hover{color:var(--brand-dark);transform:translateY(-2px);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14px;
  background-image:linear-gradient(currentColor,currentColor);
  background-size:0% 1px;background-position:0 100%;background-repeat:no-repeat;
  padding-bottom:2px;transition:background-size .24s ease,color .2s ease;
}
.link-arrow:hover{background-size:100% 1px;color:var(--brand-dark);}
.link-arrow i{transition:transform .2s ease;}
.link-arrow:hover i{transform:translateX(2px);}

/* ============ Hero ============ */
.hero{position:relative;padding:48px 0 32px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;right:-140px;top:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,169,59,.18) 0%,rgba(242,169,59,0) 70%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:36px;}
@media(min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;align-items:center;gap:48px;}}
.pill{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink);font-weight:600;
}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);}
.hero-title{font-size:30px;line-height:1.3;font-weight:700;color:var(--ink);margin-top:18px;letter-spacing:0;}
@media(min-width:1024px){.hero-title{font-size:44px;line-height:1.2;}}
.hero-sub{margin-top:16px;font-size:16px;line-height:1.8;color:var(--muted);max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:22px;font-size:13px;color:var(--muted);}
.hero-meta span{display:inline-flex;align-items:center;gap:6px;}
.hero-meta i{color:var(--teal);}
.hero-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);background:var(--sand);}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(232,69,43,0) 45%,rgba(232,69,43,.10) 100%);
  pointer-events:none;
}
.hero-tag{
  position:absolute;top:16px;right:16px;z-index:2;
  background:rgba(255,255,255,.95);border-radius:999px;padding:8px 14px;
  font-size:12px;font-weight:600;color:var(--ink);box-shadow:0 8px 20px rgba(20,33,31,.14);
  display:inline-flex;align-items:center;gap:6px;
}
.hero-tag i{color:var(--brand);}

/* ============ 数据徽章 ============ */
.stat-strip{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:34px;}
@media(min-width:768px){.stat-strip{grid-template-columns:repeat(4,1fr);gap:16px;}}
.stat-pill{
  display:flex;align-items:baseline;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:14px 20px;transition:.22s;
}
.stat-pill:hover{border-color:rgba(232,69,43,.3);box-shadow:var(--shadow);}
.stat-num{font-size:20px;font-weight:700;color:var(--brand);line-height:1;}
.stat-unit{font-size:12px;color:var(--muted);letter-spacing:.02em;}

/* ============ 通用板块 ============ */
.section{padding:52px 0;}
@media(min-width:1024px){.section{padding:88px 0;}}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head.row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;max-width:none;}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--brand);}
.section-title{font-size:24px;line-height:1.3;font-weight:700;color:var(--ink);margin-top:10px;}
@media(min-width:1024px){.section-title{font-size:32px;line-height:1.25;}}
.section-desc{margin-top:12px;font-size:15px;color:var(--muted);}

/* ============ 阶梯卡 ============ */
.step-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:1024px){.step-grid{grid-template-columns:repeat(3,1fr);align-items:start;}
  .step-card:nth-child(2){margin-top:16px;}
  .step-card:nth-child(3){margin-top:32px;}
}
.step-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(232,69,43,.3);}
.step-card.featured{border:2px solid var(--brand);}
.step-tier{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:12px;font-weight:600;letter-spacing:.04em;
}
.step-flag{
  position:absolute;top:-12px;right:22px;background:var(--brand-dark);color:#fff;
  font-size:12px;padding:4px 12px;border-radius:999px;letter-spacing:.04em;
}
.step-card h3{font-size:22px;line-height:1.4;font-weight:600;color:var(--ink);margin-top:16px;}
.step-note{margin-top:6px;font-size:13px;color:var(--muted);}
.step-list{margin-top:16px;}
.step-list li{position:relative;padding-left:20px;font-size:14px;line-height:1.9;color:var(--muted);}
.step-list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--amber);
}
.step-card .link-arrow{margin-top:20px;}

/* ============ 对比表 ============ */
.compare-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:8px;box-shadow:var(--shadow);}
.compare-scroll{overflow-x:auto;border-radius:22px;}
.compare-scroll::-webkit-scrollbar{height:6px;}
.compare-scroll::-webkit-scrollbar-thumb{background:#DCCFC2;border-radius:999px;}
.compare-scroll::-webkit-scrollbar-track{background:transparent;}
table.compare{width:100%;min-width:660px;border-collapse:separate;border-spacing:0;font-size:14px;}
.compare th,.compare td{padding:16px 18px;text-align:center;}
.compare th:first-child,.compare td:first-child{text-align:left;}
.compare thead th{background:var(--sand);color:var(--ink);font-weight:600;font-size:14px;}
.compare thead th:first-child{border-radius:20px 0 0 0;}
.compare thead th:last-child{border-radius:0 20px 0 0;}
.compare tbody td{border-top:1px solid var(--line);color:var(--muted);}
.compare tbody tr:nth-child(even) td{background:#FDFAF6;}
.compare tbody tr:hover td{background:#FBF3EC;}
.dot-yes{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--brand);}
.dot-no{display:inline-block;width:8px;height:8px;border-radius:50%;background:#D9CFC4;}
@media(max-width:1023px){
  .compare th:first-child,.compare td:first-child{position:sticky;left:0;z-index:2;background:#fff;}
  .compare thead th:first-child{background:var(--sand);}
  .compare tbody tr:nth-child(even) td:first-child{background:#FDFAF6;}
}

/* ============ 深色要点 ============ */
.dark-panel{
  background:var(--grad-dark);border-radius:var(--radius-lg);padding:32px;color:#fff;
  display:grid;grid-template-columns:1fr;gap:28px;
}
@media(min-width:1024px){.dark-panel{grid-template-columns:1fr 1fr;align-items:center;padding:48px;gap:44px;}}
.dark-panel h2{font-size:24px;line-height:1.3;font-weight:700;color:#fff;}
@media(min-width:1024px){.dark-panel h2{font-size:32px;}}
.dark-panel p.lead{margin-top:14px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.78);}
.dark-list{margin-top:22px;display:grid;gap:14px;}
.dark-list li{display:flex;gap:12px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.86);}
.dark-list .num{
  flex:0 0 auto;width:26px;height:26px;border-radius:9px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.2);display:grid;place-items:center;font-size:12px;font-weight:700;color:#fff;
}
.dark-figure{border-radius:var(--radius-md);overflow:hidden;border:1px solid rgba(255,255,255,.12);}
.dark-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}

/* ============ 通栏条 ============ */
.cta-bar{
  background:var(--grad);border-radius:var(--radius-lg);padding:32px;color:#fff;
  display:flex;flex-direction:column;gap:20px;
  box-shadow:0 18px 40px rgba(232,69,43,.24);
}
@media(min-width:768px){.cta-bar{flex-direction:row;align-items:center;justify-content:space-between;gap:32px;}}
.cta-bar h3{font-size:20px;line-height:1.4;font-weight:700;color:#fff;}
@media(min-width:1024px){.cta-bar h3{font-size:24px;}}
.cta-bar p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.9);}

/* ============ CMS 列表卡 ============ */
.card-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media(min-width:768px){.card-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr);}}
.info-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(232,69,43,.3);}
.info-thumb{display:block;overflow:hidden;aspect-ratio:16/9;background:#EFE6DA;}
.info-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.info-card:hover .info-thumb img{transform:scale(1.03);}
.info-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge-cat{
  align-self:flex-start;background:#E4F2EE;color:#14574C;font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:999px;letter-spacing:.02em;
}
.info-title{
  font-size:18px;line-height:1.45;font-weight:600;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.info-card:hover .info-title{color:var(--brand);}
.info-excerpt{
  font-size:14px;line-height:1.75;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.info-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--muted);
}
.info-foot .time{display:inline-flex;align-items:center;gap:6px;}
.info-foot .time i{color:var(--amber);}

/* ============ 空态 ============ */
.empty-card{
  min-height:260px;background:var(--sand);border-radius:24px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  padding:36px 24px;text-align:center;
}
.empty-icon{
  width:80px;height:80px;border-radius:50%;background:#fff;display:grid;place-items:center;
  color:var(--brand);font-size:30px;box-shadow:0 10px 24px rgba(20,33,31,.08);
}
.empty-card strong{font-size:16px;color:var(--ink);font-weight:600;}
.empty-card span{font-size:13px;color:var(--muted);}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item:hover{border-color:rgba(232,69,43,.3);}
.faq-item.open{box-shadow:var(--shadow);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-q i{color:var(--brand);font-size:16px;transition:transform .22s ease;flex:0 0 auto;}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a p{padding:0 24px 20px;margin:0;font-size:15px;line-height:1.8;color:var(--muted);}

/* ============ 表单 ============ */
.consult-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media(min-width:1024px){.consult-grid{grid-template-columns:5fr 7fr;gap:44px;align-items:start;}}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);}
@media(min-width:768px){.form-card{padding:32px;}}
.form-grid{display:grid;grid-template-columns:1fr;gap:18px;}
@media(min-width:768px){.form-grid{grid-template-columns:1fr 1fr;}.form-grid .full{grid-column:1 / -1;}}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.req{color:var(--brand);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;border-radius:14px;border:1px solid var(--line);background:#FDFAF6;
  padding:0 16px;font-size:15px;color:var(--ink-2);font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:auto;min-height:120px;padding:12px 16px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(232,69,43,.12);
}
.field input::placeholder,.field textarea::placeholder{color:#B0A69D;}
.form-hint{margin-top:14px;font-size:13px;color:var(--muted);line-height:1.7;}
.form-ok{
  display:none;margin-top:16px;padding:12px 16px;border-radius:14px;
  background:#E4F2EE;color:#14574C;font-size:14px;border-left:4px solid var(--teal);
}
.form-ok.show{display:block;}
.consult-points{margin-top:24px;display:grid;gap:12px;}
.consult-points li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);}
.consult-points i{color:var(--brand);margin-top:5px;font-size:13px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--grad-dark);color:#fff;margin-top:56px;padding:56px 0 0;}
@media(min-width:1024px){.site-footer{margin-top:88px;padding-top:72px;}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media(min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.22);}
.footer-brand .brand-main{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.6);}
.footer-intro{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);max-width:30em;}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.footer-badge{
  display:inline-flex;align-items:baseline;gap:6px;padding:8px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);font-size:12px;color:rgba(255,255,255,.82);
}
.footer-badge b{font-size:14px;color:#fff;font-weight:700;}
.footer-title{font-size:14px;font-weight:600;color:#fff;letter-spacing:.06em;margin-bottom:14px;}
.footer-list li{margin-bottom:2px;}
.footer-link{display:inline-block;padding:4px 0;font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease;}
.footer-link:hover{color:#fff;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;}
.sub-form{display:flex;gap:8px;margin-top:12px;}
.sub-form input{
  flex:1;height:44px;border-radius:14px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);padding:0 14px;font-size:14px;color:#fff;font-family:inherit;
}
.sub-form input::placeholder{color:rgba(255,255,255,.5);}
.sub-form input:focus{outline:none;border-color:rgba(255,255,255,.6);background:rgba(255,255,255,.14);}
.sub-form button{
  height:44px;padding:0 20px;border-radius:14px;border:0;background:#fff;color:var(--brand-dark);
  font-size:14px;font-weight:600;cursor:pointer;transition:.2s;
}
.sub-form button:hover{background:var(--amber);color:#fff;}
.footer-bottom{
  margin-top:40px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:#fff;}

/* roulang page: article */
:root{
  --primary:#E8452B;
  --primary-dark:#B32D17;
  --gold:#F2A93B;
  --ink:#0E3B39;
  --ink-2:#14211F;
  --teal:#1F7A6B;
  --bg:#FBF7F1;
  --card:#FFFFFF;
  --soft:#F3EADF;
  --soft-2:#FDECE8;
  --line:#EADFD3;
  --muted:#6B6360;
  --disabled:#B9AFA6;
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow-1:0 10px 28px rgba(20,33,31,.08);
  --shadow-2:0 20px 44px rgba(232,69,43,.16);
  --container:1200px;
  --grad-brand:linear-gradient(120deg,#E8452B 0%,#F2A93B 100%);
  --grad-ink:linear-gradient(135deg,#0E3B39 0%,#1F7A6B 100%);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 24px;}}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  padding:12px 0;
  transition:padding .24s ease,box-shadow .24s ease;
}
.site-header.scrolled{padding-top:6px;}
.nav-shell{
  display:flex;align-items:center;gap:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:10px 16px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .24s ease;
}
.site-header.scrolled .nav-shell{box-shadow:0 12px 32px rgba(20,33,31,.14);}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:14px;
  background:var(--grad-brand);color:#fff;
  font-size:14px;font-weight:700;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.01em;white-space:nowrap;}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.18em;}
.nav-cards{display:none;gap:8px;margin-left:auto;}
.nav-card{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  min-width:82px;height:62px;padding:0 10px;
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--card);color:var(--muted);
  font-size:13px;font-weight:500;line-height:1.2;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.nav-card i{font-size:16px;color:var(--primary);transition:color .2s ease;}
.nav-card:hover{
  background:var(--soft-2);border-color:rgba(232,69,43,.35);
  color:var(--ink);transform:translateY(-1px);
}
.nav-card.active{
  background:var(--soft-2);
  border-color:rgba(232,69,43,.6);
  color:var(--primary-dark);font-weight:700;
  box-shadow:inset 0 0 0 1px rgba(232,69,43,.26);
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-cta{display:none;}
@media (min-width:768px){.nav-cta{display:inline-flex;}}
@media (min-width:1024px){
  .nav-cards{display:flex;}
  .nav-actions{margin-left:0;}
  .hamburger{display:none;}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(232,69,43,.24);}
.btn-primary:hover{background:var(--grad-brand);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(232,69,43,.22);}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn-ghost:hover{background:rgba(14,59,57,.08);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}

/* ---------- mobile drawer ---------- */
.hamburger{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 11px;
  border:1px solid var(--line);border-radius:12px;background:var(--card);
}
.hamburger span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:transform .24s ease,opacity .24s ease;}
.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.is-open span:nth-child(2){opacity:0;}
.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-panel{
  position:fixed;inset:0;z-index:55;display:none;
  background:rgba(14,59,57,.55);
  padding:92px 20px 24px;
  overflow:auto;
}
.mobile-panel.open{display:block;}
.mobile-inner{background:var(--card);border-radius:24px;padding:20px;box-shadow:var(--shadow-1);}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.mobile-card{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  padding:16px 8px;border:1px solid var(--line);border-radius:16px;
  font-size:14px;font-weight:500;color:var(--ink);
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.mobile-card i{font-size:17px;color:var(--primary);}
.mobile-card:hover{background:var(--soft-2);border-color:rgba(232,69,43,.35);color:var(--primary-dark);}
.mobile-tip{font-size:13px;color:var(--muted);margin-top:16px;text-align:center;}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:24px 0 0;font-size:13px;color:var(--muted);
}
.breadcrumb a{transition:color .2s ease;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--disabled);}
.breadcrumb .current{color:var(--primary);font-weight:600;}

/* ---------- article layout ---------- */
.article-layout{display:block;padding:28px 0 0;}
@media (min-width:1024px){
  .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px;align-items:start;}
}
.article-main{min-width:0;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 14px;border-radius:999px;
  background:rgba(31,122,107,.12);color:var(--teal);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.article-title{
  font-size:30px;line-height:1.3;font-weight:700;color:var(--ink);
  margin:16px 0 0;max-width:820px;
}
@media (min-width:768px){.article-title{font-size:42px;line-height:1.2;}}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:13px;color:var(--muted);
}
.article-meta i{color:var(--primary);font-size:12px;margin-right:4px;}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--disabled);}
.article-cover{
  margin-top:28px;border-radius:24px;overflow:hidden;
  background:var(--soft);aspect-ratio:16/9;
}
.article-cover img{width:100%;height:100%;object-fit:cover;}

/* ---------- article body ---------- */
.article-body{
  max-width:760px;margin-top:36px;
  font-size:16px;line-height:1.875;color:var(--ink-2);
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 20px;}
.article-body h2{
  font-size:24px;line-height:1.35;font-weight:700;color:var(--ink);
  margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--primary);
}
.article-body h3{
  font-size:19px;line-height:1.45;font-weight:600;color:var(--ink);
  margin:32px 0 12px;
}
.article-body h4{
  font-size:17px;line-height:1.5;font-weight:600;color:var(--ink);
  margin:24px 0 10px;
}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:0;}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:12px;
  width:7px;height:7px;border-radius:50%;background:var(--primary);
}
.article-body ol{counter-reset:artol;}
.article-body ol li{position:relative;padding-left:32px;margin-bottom:10px;counter-increment:artol;}
.article-body ol li::before{
  content:counter(artol);
  position:absolute;left:0;top:6px;
  width:20px;height:20px;border-radius:50%;
  background:var(--soft-2);color:var(--primary);
  font-size:12px;font-weight:700;line-height:20px;text-align:center;
}
.article-body blockquote{
  margin:24px 0;padding:18px 20px;
  background:var(--soft);border-left:3px solid var(--primary);
  border-radius:14px;color:#4A5350;font-size:15px;line-height:1.8;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:20px;margin:24px 0 8px;width:100%;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--primary-dark);}
.article-body strong{font-weight:700;color:var(--ink);}
.article-body table{width:100%;border-collapse:collapse;font-size:14px;margin:0 0 24px;overflow:hidden;border-radius:14px;}
.article-body th,.article-body td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:var(--soft);font-weight:600;color:var(--ink);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

/* ---------- empty state ---------- */
.empty-card{
  background:var(--soft);border:1px solid var(--line);border-radius:24px;
  padding:56px 24px;text-align:center;margin-top:32px;
}
.empty-icon{
  width:80px;height:80px;border-radius:50%;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
  background:#fff;color:var(--primary);font-size:30px;
}
.empty-card h2{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:8px;}
.empty-card p{font-size:14px;color:var(--muted);margin-bottom:20px;}

/* ---------- toc ---------- */
.article-aside{min-width:0;}
.toc-card{
  position:sticky;top:100px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:20px;
  box-shadow:var(--shadow-1);
}
.toc-title{
  font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--muted);margin-bottom:12px;text-transform:uppercase;
}
.toc-list li{margin-bottom:2px;}
.toc-list a{
  display:block;padding:8px 12px;border-left:3px solid transparent;
  border-radius:0 10px 10px 0;
  font-size:14px;line-height:1.5;color:var(--muted);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.toc-list a:hover{background:var(--soft);color:var(--ink);}
.toc-list a.active{background:var(--soft-2);border-left-color:var(--primary);color:var(--primary-dark);font-weight:600;}
.toc-list a.lv3{padding-left:24px;font-size:13px;}
.toc-mobile{
  background:var(--card);border:1px solid var(--line);
  border-radius:16px;padding:14px 18px;margin-top:28px;
}
@media (min-width:1024px){.toc-mobile{display:none;}}
.toc-mobile summary{
  font-size:14px;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;
}
.toc-mobile summary::-webkit-details-marker{display:none;}
.toc-mobile summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:11px;color:var(--primary);transition:transform .2s ease;
}
.toc-mobile[open] summary::after{transform:rotate(180deg);}
.toc-mobile .toc-list{margin-top:12px;}

/* ---------- related ---------- */
.related-section{padding:64px 0 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:24px;}
.section-head h2{font-size:26px;line-height:1.3;font-weight:700;color:var(--ink);}
@media (min-width:768px){.section-head h2{font-size:32px;}}
.section-head p{font-size:14px;color:var(--muted);margin-top:6px;}
.link-more{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}
.link-more i{transition:transform .2s ease;}
.link-more:hover i{transform:translateX(4px);}
.related-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.related-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr);}}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-md);overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(232,69,43,.3);}
.rel-cover{aspect-ratio:16/9;background:#EFE6DA;overflow:hidden;}
.rel-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rel-card:hover .rel-cover img{transform:scale(1.03);}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;}
.rel-title{font-size:17px;line-height:1.45;font-weight:600;color:var(--ink);transition:color .2s ease;}
.rel-card:hover .rel-title{color:var(--primary);}
.rel-desc{font-size:13px;line-height:1.7;color:var(--muted);}

/* ---------- footer ---------- */
.site-footer{
  background:var(--grad-ink);color:#fff;
  padding:64px 0 0;margin-top:80px;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2);color:#fff;}
.footer-brand .brand-main{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.6);}
.footer-intro{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);margin:0 0 18px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;}
.footer-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.06);
  font-size:12px;color:rgba(255,255,255,.75);
}
.footer-badge b{color:#fff;font-size:15px;font-weight:700;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin:0 0 16px;letter-spacing:.04em;}
.footer-list li{margin-bottom:10px;}
.footer-link{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease;}
.footer-link:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px;}
.sub-form{display:flex;gap:8px;margin-top:14px;}
.sub-form input{
  flex:1;min-width:0;height:44px;padding:0 14px;border-radius:12px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);
  color:#fff;font-size:14px;transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:rgba(255,255,255,.45);}
.sub-form input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(242,169,59,.18);}
.sub-form button{
  height:44px;padding:0 18px;border-radius:12px;
  background:var(--gold);color:#0E3B39;font-weight:700;font-size:14px;
  transition:background .2s ease,transform .2s ease;
}
.sub-form button:hover{background:#fff;transform:translateY(-1px);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:48px;padding:22px 0 28px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- misc ---------- */
.divider{height:1px;background:var(--line);margin:40px 0 0;}
.back-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}

/* roulang page: category1 */
:root{
    --brand:#E8452B;
    --brand-dark:#B32D17;
    --amber:#F2A93B;
    --ink:#0E3B39;
    --teal:#1F7A6B;
    --text:#14211F;
    --sub:#6B6360;
    --line:#EADFD3;
    --bg:#FBF7F1;
    --soft:#F3EADF;
    --card:#FFFFFF;
    --disabled:#B9AFA6;
    --radius-lg:28px;
    --radius:20px;
    --radius-sm:14px;
    --shadow:0 10px 28px rgba(20,33,31,.08);
    --shadow-hover:0 20px 44px rgba(232,69,43,.16);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
    background:var(--bg);
    color:var(--text);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;}
  img{max-width:100%;display:block;}
  button{font-family:inherit;}
  ::selection{background:rgba(232,69,43,.16);}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media(min-width:768px){.container{padding:0 24px;}}

  /* ---------- Header / Nav ---------- */
  .site-header{position:sticky;top:0;z-index:60;padding:14px 0;transition:padding .24s ease;}
  .site-header.scrolled{padding:8px 0;}
  .header-shell{
    display:flex;align-items:center;gap:14px;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:12px 16px;box-shadow:0 6px 18px rgba(20,33,31,.05);
    transition:box-shadow .24s ease;
  }
  .site-header.scrolled .header-shell{box-shadow:0 14px 32px rgba(20,33,31,.13);}
  .brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;}
  .brand-mark{
    display:grid;place-items:center;width:40px;height:40px;border-radius:var(--radius-sm);
    background:linear-gradient(120deg,var(--brand),var(--amber));
    color:#fff;font-weight:700;font-size:13px;letter-spacing:.02em;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.15;}
  .brand-main{font-size:16px;font-weight:700;color:var(--text);letter-spacing:.01em;}
  .brand-sub{font-size:11px;color:var(--sub);letter-spacing:.12em;}
  .nav-cards{display:flex;align-items:center;gap:8px;margin-left:auto;}
  .nav-card{
    display:flex;align-items:center;justify-content:center;gap:7px;
    min-width:88px;height:64px;padding:0 12px;border-radius:var(--radius-sm);
    border:1px solid var(--line);background:#fff;color:var(--text);
    font-size:14px;text-decoration:none;white-space:nowrap;
    transition:background .2s ease,border-color .2s ease,transform .2s ease,color .2s ease;
  }
  .nav-card i{color:var(--brand);font-size:16px;transition:color .2s ease;}
  .nav-card:hover{background:#FDECE8;border-color:rgba(232,69,43,.35);transform:translateY(-2px);}
  .nav-card:focus-visible{outline:2px solid var(--amber);outline-offset:2px;}
  .nav-card.active{
    background:#FDECE8;border-color:var(--brand);color:var(--brand-dark);font-weight:600;
    box-shadow:inset 0 0 0 1px rgba(232,69,43,.35);
  }
  .header-right{display:flex;align-items:center;gap:10px;margin-left:8px;flex:0 0 auto;}
  .nav-toggle{
    display:none;width:44px;height:44px;border-radius:var(--radius-sm);
    border:1px solid var(--line);background:#fff;color:var(--ink);
    align-items:center;justify-content:center;font-size:16px;cursor:pointer;
    transition:background .2s ease,border-color .2s ease;
  }
  .nav-toggle:hover{background:var(--soft);border-color:rgba(232,69,43,.3);}
  .nav-toggle:focus-visible{outline:2px solid var(--amber);outline-offset:2px;}

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 22px;border-radius:999px;
    font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;
    border:1.5px solid transparent;white-space:nowrap;
    transition:background .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease,color .22s ease;
  }
  .btn-primary{background:var(--brand);color:#fff;}
  .btn-primary:hover{background:linear-gradient(120deg,var(--brand),var(--amber));transform:translateY(-2px);box-shadow:var(--shadow-hover);}
  .btn-primary:active{transform:translateY(0);box-shadow:none;}
  .btn-primary:focus-visible{outline:2px solid var(--amber);outline-offset:2px;}
  .btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
  .btn-ghost:hover{background:rgba(14,59,57,.08);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-ghost:focus-visible{outline:2px solid var(--amber);outline-offset:2px;}
  .btn-white{background:#fff;color:var(--brand-dark);}
  .btn-white:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.18);background:#fff;}
  .btn-white:active{transform:translateY(0);}
  .btn-white:focus-visible{outline:2px solid #fff;outline-offset:3px;}
  .header-cta{height:44px;padding:0 20px;font-size:14px;}

  /* ---------- Hero ---------- */
  .page-hero{position:relative;overflow:hidden;padding:44px 0 36px;}
  .page-hero::before{
    content:"";position:absolute;top:-180px;right:-140px;width:520px;height:520px;border-radius:50%;
    background:radial-gradient(circle,rgba(232,69,43,.18),rgba(242,169,59,0) 70%);
    pointer-events:none;
  }
  .hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:32px;}
  @media(min-width:1024px){
    .hero-grid{grid-template-columns:7fr 5fr;align-items:center;gap:52px;}
    .page-hero{padding:64px 0 48px;}
  }
  .pill{
    display:inline-flex;align-items:center;gap:8px;
    padding:7px 16px;border-radius:999px;background:#fff;
    border:1px solid rgba(232,69,43,.28);color:var(--brand-dark);
    font-size:12px;font-weight:700;letter-spacing:.06em;
  }
  .pill i{font-size:12px;color:var(--brand);}
  .page-hero h1{
    font-size:30px;line-height:1.3;font-weight:700;margin:18px 0 14px;color:var(--text);
    letter-spacing:0;
  }
  @media(min-width:768px){.page-hero h1{font-size:44px;line-height:1.2;}}
  .hero-sub{font-size:16px;color:var(--sub);max-width:560px;margin:0 0 24px;line-height:1.75;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px;}
  .hero-note{font-size:13px;color:var(--sub);display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:0;}
  .hero-note i{color:var(--amber);font-size:12px;}
  .hero-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);}
  .hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;border-radius:var(--radius-lg);}
  .hero-media::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:linear-gradient(160deg,rgba(232,69,43,0) 55%,rgba(232,69,43,.14));
  }
  .media-badge{
    position:absolute;top:16px;right:16px;z-index:2;
    background:rgba(255,255,255,.94);color:var(--brand-dark);
    font-size:12px;font-weight:700;letter-spacing:.04em;
    padding:8px 14px;border-radius:999px;border:1px solid rgba(232,69,43,.25);
  }

  /* ---------- Stat bar ---------- */
  .stat-bar{padding:4px 0 0;}
  .stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
  @media(min-width:768px){.stat-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}}
  .stat{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:18px 20px;display:flex;flex-direction:column;gap:2px;
    box-shadow:0 4px 14px rgba(20,33,31,.04);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .stat:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:rgba(232,69,43,.28);}
  .stat b{font-size:20px;font-weight:700;color:var(--brand);line-height:1.4;}
  .stat span{font-size:12px;color:var(--sub);letter-spacing:.04em;}

  /* ---------- Section shell ---------- */
  .section{padding:48px 0;}
  @media(min-width:768px){.section{padding:80px 0;}}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
  .section-head h2{font-size:24px;line-height:1.3;font-weight:700;margin:0 0 8px;color:var(--text);}
  @media(min-width:768px){.section-head h2{font-size:32px;line-height:1.25;}}
  .section-head p{margin:0;color:var(--sub);font-size:15px;max-width:640px;}

  /* ---------- Feature split ---------- */
  .feature-split{
    display:grid;grid-template-columns:1fr;gap:28px;align-items:center;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:24px;box-shadow:var(--shadow);
  }
  @media(min-width:1024px){.feature-split{grid-template-columns:6fr 6fr;gap:40px;padding:32px;}}
  .feature-split img{width:100%;border-radius:var(--radius);aspect-ratio:16/10;object-fit:cover;background:#EFE6DA;}
  .feature-split h3{font-size:22px;line-height:1.4;font-weight:600;margin:0 0 14px;color:var(--text);}
  .feature-split p{margin:0 0 16px;color:var(--sub);font-size:15px;}
  .feature-points{list-style:none;margin:0 0 20px;padding:0;display:flex;flex-direction:column;gap:10px;}
  .feature-points li{position:relative;padding-left:22px;font-size:14px;color:var(--text);}
  .feature-points li::before{
    content:"";position:absolute;left:0;top:9px;width:8px;height:8px;
    border-radius:50%;background:linear-gradient(120deg,var(--brand),var(--amber));
  }
  .text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600;text-decoration:none;}
  .text-link::after{content:"→";transition:transform .2s ease;}
  .text-link:hover{color:var(--brand-dark);}
  .text-link:hover::after{transform:translateX(3px);}
  .text-link:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:4px;}

  /* ---------- Entry cards ---------- */
  .entry-grid{display:grid;grid-template-columns:1fr;gap:18px;}
  @media(min-width:768px){.entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}}
  .entry-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:24px;display:flex;gap:16px;
    transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  }
  .entry-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(232,69,43,.3);}
  .entry-icon{
    flex:0 0 auto;width:46px;height:46px;border-radius:var(--radius-sm);
    display:grid;place-items:center;background:var(--soft);color:var(--brand);font-size:17px;
  }
  .entry-body{min-width:0;}
  .entry-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:8px;}
  .tag{
    display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;
    font-size:12px;font-weight:600;letter-spacing:.04em;
    background:rgba(31,122,107,.12);color:#14655A;
  }
  .tag-amber{background:rgba(242,169,59,.18);color:#8A5A0B;}
  .entry-date{font-size:12px;color:var(--sub);display:inline-flex;align-items:center;gap:5px;}
  .entry-date i{font-size:11px;color:var(--disabled);}
  .entry-card h3{font-size:18px;line-height:1.45;font-weight:600;margin:0 0 8px;color:var(--text);}
  .entry-card p{margin:0 0 12px;font-size:14px;color:var(--sub);line-height:1.75;}

  /* ---------- Stair cards ---------- */
  .stair{display:grid;grid-template-columns:1fr;gap:20px;padding-bottom:8px;}
  @media(min-width:1024px){
    .stair{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start;padding-bottom:48px;}
    .stair > *:nth-child(2){margin-top:16px;}
    .stair > *:nth-child(3){margin-top:32px;}
  }
  .step-card{
    position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:28px;display:flex;flex-direction:column;gap:14px;
    box-shadow:0 6px 18px rgba(20,33,31,.05);
    transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  }
  .step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(232,69,43,.3);}
  .step-card.featured{border:2px solid var(--brand);}
  .step-badge{
    display:inline-flex;align-self:flex-start;padding:6px 14px;border-radius:999px;
    background:linear-gradient(120deg,var(--brand),var(--amber));
    color:#fff;font-size:12px;font-weight:700;letter-spacing:.04em;
  }
  .step-tag{
    position:absolute;top:-12px;right:22px;background:var(--brand-dark);color:#fff;
    font-size:11px;font-weight:600;padding:4px 12px;border-radius:999px;letter-spacing:.04em;
  }
  .step-card h3{font-size:20px;line-height:1.4;font-weight:600;margin:0;color:var(--text);}
  .step-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
  .step-list li{position:relative;padding-left:20px;font-size:14px;color:var(--sub);line-height:1.7;}
  .step-list li::before{
    content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
    background:var(--brand);opacity:.75;
  }
  .step-card .text-link{margin-top:auto;}

  /* ---------- Timeline ---------- */
  .timeline-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);}
  @media(min-width:768px){.timeline-wrap{padding:32px;}}
  .timeline{position:relative;display:grid;grid-template-columns:1fr;gap:20px;}
  @media(min-width:1024px){
    .timeline{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
    .timeline::before{
      content:"";position:absolute;top:8px;left:10%;right:10%;height:2px;
      background:linear-gradient(90deg,rgba(232,69,43,.4),rgba(242,169,59,.4));
    }
    .tl-item{margin-top:40px;}
  }
  .tl-item{
    position:relative;background:var(--bg);border:1px solid var(--line);
    border-radius:var(--radius);padding:20px;
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .tl-item:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:rgba(232,69,43,.3);}
  .tl-dot{
    width:12px;height:12px;border-radius:50%;
    background:linear-gradient(120deg,var(--brand),var(--amber));
    box-shadow:0 0 0 4px rgba(232,69,43,.12);margin-bottom:14px;
  }
  @media(min-width:1024px){
    .tl-dot{position:absolute;top:-40px;left:24px;margin:0;}
  }
  .tl-item b{display:block;font-size:15px;color:var(--brand-dark);font-weight:700;margin-bottom:6px;letter-spacing:.02em;}
  .tl-item p{margin:0;font-size:14px;color:var(--sub);line-height:1.7;}
  .tl-time{display:block;font-size:12px;color:var(--disabled);margin-top:10px;}

  /* ---------- CTA bar ---------- */
  .cta-bar{
    background:linear-gradient(120deg,var(--brand),var(--amber));
    border-radius:var(--radius-lg);padding:32px;color:#fff;
    display:flex;flex-direction:column;gap:20px;
    box-shadow:0 18px 38px rgba(232,69,43,.22);
  }
  @media(min-width:768px){
    .cta-bar{flex-direction:row;align-items:center;justify-content:space-between;padding:36px 40px;}
  }
  .cta-bar h2{font-size:22px;line-height:1.4;font-weight:700;margin:0 0 6px;color:#fff;}
  @media(min-width:768px){.cta-bar h2{font-size:26px;}}
  .cta-bar p{margin:0;font-size:14px;color:rgba(255,255,255,.92);max-width:520px;}

  /* ---------- FAQ ---------- */
  .faq-list{display:flex;flex-direction:column;gap:12px;max-width:840px;margin:0 auto;}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
  }
  .faq-item.open{border-color:rgba(232,69,43,.35);box-shadow:0 12px 28px rgba(232,69,43,.1);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 24px;background:none;border:0;font-size:16px;font-weight:600;color:var(--text);
    text-align:left;cursor:pointer;line-height:1.5;
  }
  .faq-q:focus-visible{outline:2px solid var(--amber);outline-offset:-3px;}
  .faq-q i{color:var(--brand);font-size:15px;transition:transform .22s ease;flex:0 0 auto;}
  .faq-item.open .faq-q i{transform:rotate(45deg);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
  .faq-a p{margin:0;padding:0 24px 22px;color:var(--sub);font-size:15px;line-height:1.8;}

  /* ---------- Consult form ---------- */
  .consult-grid{display:grid;grid-template-columns:1fr;gap:28px;}
  @media(min-width:1024px){.consult-grid{grid-template-columns:5fr 7fr;gap:44px;align-items:start;}}
  .consult-copy h2{font-size:24px;line-height:1.3;font-weight:700;margin:0 0 14px;color:var(--text);}
  @media(min-width:768px){.consult-copy h2{font-size:32px;}}
  .consult-copy p{margin:0 0 20px;color:var(--sub);font-size:15px;}
  .consult-facts{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
  .consult-facts li{
    display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text);
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 16px;
  }
  .consult-facts i{color:var(--brand);font-size:14px;}
  .form-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:24px;box-shadow:var(--shadow);
  }
  @media(min-width:768px){.form-card{padding:32px;}}
  .form-row{display:grid;grid-template-columns:1fr;gap:0;}
  @media(min-width:640px){.form-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px;}}
  .field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;}
  .field label{font-size:14px;font-weight:600;color:var(--text);}
  .req{color:var(--brand);}
  .field input,.field select,.field textarea{
    width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;
    font-size:15px;font-family:inherit;color:var(--text);padding:0 14px;height:48px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.7;resize:vertical;}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,69,43,.12);
  }
  .form-hint{font-size:13px;color:var(--sub);margin:12px 0 0;}

  /* ---------- Footer ---------- */
  .site-footer{
    background:linear-gradient(135deg,var(--ink),var(--teal));
    color:#fff;margin-top:64px;padding:56px 0 0;
  }
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
  @media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
  @media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr .8fr .8fr 1.15fr;gap:32px;}}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
  .footer-brand .brand-main{color:#fff;}
  .footer-brand .brand-sub{color:rgba(255,255,255,.6);}
  .footer-intro{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);margin:0 0 18px;}
  .footer-badges{display:flex;flex-wrap:wrap;gap:10px;}
  .footer-badge{
    display:inline-flex;align-items:center;gap:6px;font-size:12px;
    padding:7px 14px;border-radius:999px;
    background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
    color:rgba(255,255,255,.82);
  }
  .footer-badge b{color:#F2A93B;font-size:13px;font-weight:700;}
  .footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin:0 0 16px;}
  .footer-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
  .footer-link{
    font-size:14px;color:rgba(255,255,255,.72);text-decoration:none;
    border-bottom:2px solid transparent;transition:color .2s ease,border-color .2s ease;
  }
  .footer-link:hover{color:#fff;border-bottom-color:#fff;}
  .footer-link:focus-visible{outline:2px solid #F2A93B;outline-offset:3px;border-radius:3px;}
  .sub-form{display:flex;gap:8px;margin-top:14px;}
  .sub-form input{
    flex:1 1 auto;min-width:0;height:44px;padding:0 14px;border-radius:var(--radius-sm);
    background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
    color:#fff;font-size:14px;font-family:inherit;
  }
  .sub-form input::placeholder{color:rgba(255,255,255,.5);}
  .sub-form input:focus{outline:none;border-color:#F2A93B;box-shadow:0 0 0 3px rgba(242,169,59,.18);}
  .sub-form button{
    flex:0 0 auto;height:44px;padding:0 20px;border-radius:var(--radius-sm);border:0;
    background:#fff;color:var(--brand-dark);font-size:14px;font-weight:700;cursor:pointer;
    transition:transform .2s ease,box-shadow .2s ease;
  }
  .sub-form button:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(0,0,0,.22);}
  .sub-form button:active{transform:translateY(0);}
  .sub-form button:focus-visible{outline:2px solid #F2A93B;outline-offset:2px;}
  .footer-bottom{
    margin-top:44px;padding:20px 0 26px;
    border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.6);
  }

  /* ---------- Responsive nav ---------- */
  @media(max-width:1023px){
    .header-shell{flex-wrap:wrap;}
    .nav-toggle{display:inline-flex;}
    .nav-cards{
      display:none;width:100%;margin-left:0;
      grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;
      padding-top:14px;margin-top:4px;border-top:1px solid var(--line);
    }
    .site-header.open .nav-cards{display:grid;}
    .nav-card{height:auto;min-height:58px;justify-content:flex-start;gap:10px;padding:0 14px;min-width:0;}
    .header-right{margin-left:auto;}
    .header-cta{height:42px;padding:0 16px;font-size:13px;}
  }
  @media(max-width:520px){
    .brand-main{font-size:15px;}
    .header-cta{padding:0 14px;}
    .hero-actions .btn{width:100%;}
    .media-badge{top:12px;right:12px;font-size:11px;padding:6px 11px;}
  }

/* roulang page: category2 */
:root{
  --brand:#E8452B;
  --brand-dark:#B32D17;
  --gold:#F2A93B;
  --ink:#0E3B39;
  --teal:#1F7A6B;
  --text:#14211F;
  --body:#4A4340;
  --muted:#6B6360;
  --line:#EADFD3;
  --bg:#FBF7F1;
  --card:#FFFFFF;
  --soft:#F3EADF;
  --light-brand:#FDECE8;
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow:0 10px 28px rgba(20,33,31,.08);
  --shadow-hover:0 20px 44px rgba(232,69,43,.16);
  --grad-brand:linear-gradient(120deg,#E8452B,#F2A93B);
  --grad-dark:linear-gradient(135deg,#0E3B39,#1F7A6B);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
input,textarea,select{font-family:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 24px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  padding:16px 0 10px;
  transition:padding .24s ease;
  background:linear-gradient(180deg,rgba(251,247,241,.98),rgba(251,247,241,.82) 72%,rgba(251,247,241,0));
}
.site-header.is-scrolled{padding-top:8px;}
.nav-shell{
  display:flex;align-items:center;gap:14px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:12px 16px;
  transition:box-shadow .24s ease;
}
.site-header.is-scrolled .nav-shell{box-shadow:0 12px 30px rgba(20,33,31,.12);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;
  border-radius:14px;
  background:var(--grad-brand);
  color:#fff;font-size:14px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.16;}
.brand-main{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.brand-sub{font-size:11px;color:var(--brand);letter-spacing:.16em;}
.nav-cards{display:none;align-items:center;gap:8px;margin-left:auto;}
.nav-card{
  width:88px;height:64px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  font-size:13px;color:var(--muted);
  transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
}
.nav-card i{font-size:17px;color:var(--muted);transition:color .2s ease;}
.nav-card:hover{background:var(--soft);border-color:rgba(232,69,43,.35);color:var(--ink);transform:translateY(-1px);}
.nav-card:hover i{color:var(--brand);}
.nav-card:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
.nav-card.active{
  background:var(--light-brand);
  border-color:rgba(232,69,43,.6);
  color:var(--brand-dark);
  font-weight:600;
  box-shadow:inset 0 0 0 1px rgba(232,69,43,.22);
}
.nav-card.active i{color:var(--brand);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-toggle{
  width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:16px;
  transition:background .2s ease,color .2s ease;
}
.nav-toggle:hover{background:var(--soft);color:var(--brand);}
.nav-toggle:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
@media(min-width:1024px){
  .nav-cards{display:flex;}
  .nav-actions{margin-left:0;}
  .nav-toggle{display:none;}
}

/* 移动端抽屉 */
.mobile-panel{
  position:fixed;inset:0;z-index:90;
  background:rgba(251,247,241,.99);
  padding:20px 20px 32px;
  display:none;flex-direction:column;gap:18px;
  overflow-y:auto;
}
.mobile-panel.open{display:flex;}
.mobile-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.mobile-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:16px;display:flex;flex-direction:column;gap:8px;
  font-size:14px;font-weight:600;color:var(--ink);
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.mobile-card i{color:var(--brand);font-size:18px;}
.mobile-card:hover{background:var(--soft);}
.mobile-card.active{background:var(--light-brand);border-color:rgba(232,69,43,.5);color:var(--brand-dark);}
.mobile-foot{border-top:1px solid var(--line);padding-top:18px;display:flex;flex-direction:column;gap:12px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;
  border:1.5px solid transparent;
  transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--grad-brand);transform:translateY(-2px);box-shadow:0 14px 30px rgba(232,69,43,.28);}
.btn-primary:active{transform:translateY(0);background:var(--brand-dark);box-shadow:none;}
.btn-primary:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:rgba(14,59,57,.08);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);background:rgba(14,59,57,.14);}
.btn-ghost:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
.btn-white{background:#fff;color:var(--brand-dark);}
.btn-white:hover{background:#FFF3EE;transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.16);}
.btn-white:active{transform:translateY(0);}
.btn-white:focus-visible{outline:2px solid #fff;outline-offset:3px;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ============ 通用板块 ============ */
.section{padding:56px 0;}
@media(min-width:1024px){.section{padding:88px 0;}}
.section-head{max-width:720px;margin-bottom:32px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;font-weight:700;
  color:var(--brand-dark);background:var(--light-brand);
  border:1px solid rgba(232,69,43,.22);
  border-radius:999px;padding:6px 14px;margin-bottom:14px;
}
.section-title{font-size:24px;line-height:1.3;font-weight:700;color:var(--ink);}
@media(min-width:1024px){.section-title{font-size:32px;line-height:1.25;}}
.section-sub{font-size:15px;color:var(--muted);margin-top:10px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--light-brand);border:1px solid rgba(232,69,43,.22);
  color:var(--brand-dark);font-size:13px;font-weight:600;
  border-radius:999px;padding:6px 16px;
}

/* ============ 分类横幅 ============ */
.page-banner{position:relative;padding:32px 0 8px;overflow:hidden;}
.page-banner::before{
  content:"";position:absolute;top:-240px;right:-140px;
  width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,169,59,.30),rgba(232,69,43,.12) 46%,transparent 72%);
  pointer-events:none;
}
.banner-grid{position:relative;display:grid;gap:32px;align-items:center;}
@media(min-width:1024px){.banner-grid{grid-template-columns:1.15fr .85fr;gap:48px;}}
.banner-copy h1{
  font-size:30px;line-height:1.3;font-weight:700;color:var(--ink);
  margin:16px 0 14px;letter-spacing:0;
}
@media(min-width:1024px){.banner-copy h1{font-size:44px;line-height:1.2;}}
.banner-lead{font-size:16px;line-height:1.8;color:var(--body);max-width:560px;}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.banner-note{
  display:flex;flex-wrap:wrap;gap:16px;margin-top:20px;
  font-size:13px;color:var(--muted);
}
.banner-note span{display:inline-flex;align-items:center;gap:6px;}
.banner-note i{color:var(--gold);}
.banner-visual{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);
}
.banner-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;background:#EFE6DA;}
.banner-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(155deg,rgba(232,69,43,.14),rgba(232,69,43,0) 48%);
}
.visual-badge{
  position:absolute;top:16px;right:16px;z-index:2;
  background:#fff;border-radius:999px;padding:8px 16px;
  font-size:13px;font-weight:600;color:var(--brand-dark);
  box-shadow:0 8px 20px rgba(20,33,31,.16);
  display:inline-flex;align-items:center;gap:6px;
}
.visual-badge i{color:var(--gold);}

/* ============ 速览指标 ============ */
.metrics-strip{
  margin-top:36px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:20px 24px;
  display:grid;grid-template-columns:1fr 1fr;gap:20px;
  box-shadow:var(--shadow);
}
@media(min-width:768px){.metrics-strip{grid-template-columns:repeat(3,1fr);gap:8px;padding:24px 32px;}}
.metric{display:flex;flex-direction:column;gap:2px;}
@media(min-width:768px){
  .metric{border-left:1px solid var(--line);padding-left:28px;}
  .metric:first-child{border-left:0;padding-left:0;}
}
.metric b{font-size:22px;font-weight:700;color:var(--brand);line-height:1.2;}
.metric span{font-size:12px;color:var(--muted);letter-spacing:.04em;}

/* ============ 双栏阅读区 ============ */
.reading-grid{display:grid;grid-template-columns:1fr;gap:24px;align-items:start;}
@media(min-width:1024px){.reading-grid{grid-template-columns:280px 1fr;gap:40px;}}
.reading-aside{display:flex;flex-direction:column;gap:16px;}
@media(min-width:1024px){.reading-aside{position:sticky;top:112px;}}
.aside-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow);
}
.aside-title{
  font-size:12px;font-weight:700;color:var(--muted);
  letter-spacing:.1em;margin-bottom:12px;
}
.aside-nav a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:12px;
  font-size:14px;color:var(--text);
  border-left:3px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.aside-nav a span.num{font-size:12px;color:var(--muted);font-weight:700;}
.aside-nav a:hover{background:var(--soft);color:var(--brand-dark);}
.aside-nav a.active{
  background:var(--light-brand);border-left-color:var(--brand);
  color:var(--brand-dark);font-weight:600;
}
.aside-nav a.active span.num{color:var(--brand);}
.aside-note{background:var(--soft);box-shadow:none;}
.aside-note-title{
  font-size:14px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;gap:8px;margin-bottom:8px;
}
.aside-note-title i{color:var(--gold);}
.aside-note-text{font-size:13px;line-height:1.8;color:var(--body);}

.reading-main{display:grid;gap:24px;}
.topic-row{
  display:grid;grid-template-columns:1fr;gap:20px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:20px;
  box-shadow:var(--shadow);
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
  scroll-margin-top:112px;
}
.topic-row:hover{border-color:rgba(232,69,43,.3);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
@media(min-width:768px){
  .topic-row{grid-template-columns:1fr 1fr;gap:32px;padding:28px;align-items:center;}
  .topic-row.reverse .topic-media{order:2;}
}
.topic-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-md);background:#EFE6DA;
}
.topic-index{
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  color:#fff;background:var(--grad-brand);
  border-radius:999px;padding:4px 12px;margin-bottom:12px;
}
.topic-body h2{font-size:22px;line-height:1.4;font-weight:600;color:var(--ink);margin-bottom:10px;}
.topic-body p{font-size:15px;line-height:1.85;color:var(--body);}
.tick-list{margin-top:14px;display:grid;gap:6px;}
.tick-list li{
  position:relative;padding-left:20px;
  font-size:14px;line-height:1.85;color:var(--body);
}
.tick-list li::before{
  content:"";position:absolute;left:2px;top:11px;
  width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:16px;font-size:14px;font-weight:600;color:var(--brand);
  position:relative;transition:color .2s ease;
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1.5px;width:0;
  background:var(--brand);transition:width .24s ease;
}
.link-arrow:hover{color:var(--brand-dark);}
.link-arrow:hover::after{width:100%;}
.link-arrow:hover i{transform:translateX(3px);}
.link-arrow i{transition:transform .24s ease;font-size:12px;}
.link-arrow:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:rgba(232,69,43,.28);}
.faq-item.open{border-color:rgba(232,69,43,.42);box-shadow:0 12px 28px rgba(232,69,43,.1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand-dark);}
.faq-q:focus-visible{outline:2px solid var(--gold);outline-offset:-4px;}
.faq-q i{color:var(--brand);font-size:16px;flex:0 0 auto;transition:transform .22s ease;}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .22s ease;}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a > div{overflow:hidden;}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--body);}

/* ============ CTA 通栏 ============ */
.cta-band{
  background:var(--grad-brand);
  border-radius:var(--radius-lg);
  padding:32px 24px;
  display:grid;gap:22px;
  box-shadow:0 18px 40px rgba(232,69,43,.24);
}
@media(min-width:768px){
  .cta-band{grid-template-columns:1fr auto;align-items:center;padding:40px 48px;gap:32px;}
}
.cta-band h2{font-size:24px;line-height:1.3;font-weight:700;color:#fff;}
@media(min-width:1024px){.cta-band h2{font-size:30px;}}
.cta-band p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.9);margin-top:8px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--grad-dark);
  color:#fff;
  padding:64px 0 28px;
  margin-top:88px;
}
.footer-grid{display:grid;gap:36px;grid-template-columns:1fr;}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.site-footer .brand-main{color:#fff;}
.site-footer .brand-sub{color:var(--gold);}
.footer-intro{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.footer-badge{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:999px;padding:6px 14px;
  font-size:12px;color:rgba(255,255,255,.8);
}
.footer-badge b{color:var(--gold);font-size:15px;font-weight:700;}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-list li{margin-bottom:10px;}
.footer-link{
  color:rgba(255,255,255,.72);font-size:14px;
  transition:color .2s ease,text-decoration-color .2s ease;
}
.footer-link:hover{
  color:#fff;
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-thickness:2px;
}
.footer-link:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px;}
.sub-form{display:flex;gap:8px;margin-top:14px;}
.sub-form input{
  flex:1;min-width:0;height:44px;border-radius:14px;
  border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);
  color:#fff;padding:0 14px;font-size:14px;
  transition:border-color .2s ease,background .2s ease;
}
.sub-form input::placeholder{color:rgba(255,255,255,.5);}
.sub-form input:focus{
  outline:none;border-color:var(--gold);
  background:rgba(255,255,255,.14);
  box-shadow:0 0 0 3px rgba(242,169,59,.22);
}
.sub-form button{
  height:44px;padding:0 18px;border-radius:14px;
  background:var(--gold);color:#3A2408;
  font-weight:600;font-size:14px;
  transition:background .2s ease,transform .2s ease;
}
.sub-form button:hover{background:#F7BC60;transform:translateY(-1px);}
.sub-form button:active{transform:translateY(0);}
.sub-form button:focus-visible{outline:2px solid #fff;outline-offset:3px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:40px;padding-top:20px;
  display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* roulang page: category3 */
:root{
  --primary:#E8452B;
  --primary-dark:#B32D17;
  --primary-soft:#FDECE8;
  --amber:#F2A93B;
  --ink:#0E3B39;
  --ink-green:#1F7A6B;
  --text:#14211F;
  --muted:#6B6360;
  --disabled:#B9AFA6;
  --bg:#FBF7F1;
  --card:#FFFFFF;
  --soft:#F3EADF;
  --line:#EADFD3;
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow:0 10px 28px rgba(20,33,31,.08);
  --shadow-hover:0 20px 44px rgba(232,69,43,.16);
  --grad:linear-gradient(120deg,#E8452B 0%,#F2A93B 100%);
  --grad-dark:linear-gradient(135deg,#0E3B39 0%,#1F7A6B 100%);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:transparent;color:inherit;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 24px;}}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:80;padding:12px 0;transition:padding .24s ease;}
.site-header.scrolled{padding-top:6px;padding-bottom:6px;}
.nav-shell{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:10px 14px;transition:box-shadow .24s ease,border-color .24s ease;}
.site-header.scrolled .nav-shell{box-shadow:0 12px 30px rgba(20,33,31,.10);}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:13px;background:var(--grad);color:#fff;font-size:14px;font-weight:700;letter-spacing:.04em;box-shadow:0 8px 18px rgba(232,69,43,.26);}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{font-size:16px;font-weight:700;color:var(--text);letter-spacing:.01em;}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.14em;}
.nav-cards{display:none;align-items:center;gap:8px;margin-left:auto;}
.nav-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-width:84px;height:64px;padding:0 12px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--text);font-size:13px;transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;}
.nav-card i{font-size:18px;color:var(--primary);transition:color .2s ease,transform .2s ease;}
.nav-card:hover{background:var(--soft);border-color:#E2D3C2;transform:translateY(-1px);}
.nav-card:hover i{transform:scale(1.06);}
.nav-card.active{background:var(--primary-soft);border-color:rgba(232,69,43,.55);font-weight:700;color:var(--primary-dark);box-shadow:0 6px 16px rgba(232,69,43,.12);}
.nav-card.active i{color:var(--primary);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
@media (min-width:768px){
  .nav-actions{margin-left:12px;}
}
@media (min-width:1024px){
  .nav-cards{display:flex;margin-left:auto;}
  .nav-actions{margin-left:12px;}
}
.hamburger{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:46px;height:46px;border-radius:14px;border:1px solid var(--line);background:#fff;padding:0 12px;}
.hamburger span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease;}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
@media (min-width:1024px){.hamburger{display:none;}}
.mobile-panel{display:none;position:fixed;inset:74px 0 0 0;background:rgba(251,247,241,.98);backdrop-filter:blur(6px);padding:20px;overflow-y:auto;z-index:79;}
.mobile-panel.open{display:block;}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.mobile-grid .nav-card{min-width:0;width:100%;height:82px;font-size:14px;}
.mobile-foot{margin-top:18px;padding:18px;border-radius:20px;background:var(--soft);border:1px solid var(--line);}
.mobile-foot p{margin:0 0 10px;font-size:14px;color:var(--muted);}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;letter-spacing:.01em;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;}
.btn i{font-size:13px;transition:transform .2s ease;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(232,69,43,.24);}
.btn-primary:hover{background:var(--grad);transform:translateY(-2px);box-shadow:0 16px 32px rgba(232,69,43,.28);}
.btn-primary:hover i{transform:translateX(2px);}
.btn-primary:active{transform:translateY(0);background:var(--primary-dark);box-shadow:0 6px 14px rgba(179,45,23,.24);}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn-ghost:hover{background:rgba(14,59,57,.08);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);background:rgba(14,59,57,.14);}
.btn-white{background:#fff;color:var(--primary-dark);box-shadow:0 10px 24px rgba(0,0,0,.14);}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(0,0,0,.2);}
.btn-white:active{transform:translateY(0);}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);position:relative;}
.link-arrow::after{content:"";position:absolute;left:0;bottom:-3px;height:1.5px;width:0;background:var(--primary);transition:width .25s ease;}
.link-arrow:hover::after{width:100%;}
.link-arrow:hover i{transform:translateX(3px);}
.link-arrow i{transition:transform .2s ease;}

/* ---------- pills / badges ---------- */
.pill{display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 14px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.02em;}
.pill-brand{background:var(--primary-soft);color:var(--primary-dark);border:1px solid rgba(232,69,43,.28);}
.pill-ink{background:rgba(31,122,107,.12);color:#12564B;border:1px solid rgba(31,122,107,.22);}
.pill-amber{background:rgba(242,169,59,.16);color:#8A5A10;border:1px solid rgba(242,169,59,.32);}

/* ---------- hero ---------- */
.page-hero{position:relative;padding:36px 0 44px;overflow:hidden;}
.page-hero::before{content:"";position:absolute;top:-220px;right:-160px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(242,169,59,.30) 0%,rgba(232,69,43,.16) 45%,rgba(232,69,43,0) 72%);pointer-events:none;}
@media (min-width:768px){.page-hero{padding:56px 0 64px;}}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
@media (min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:48px;}}
.hero-copy h1{margin:18px 0 0;font-size:30px;line-height:1.3;font-weight:700;letter-spacing:.005em;color:var(--text);}
@media (min-width:768px){.hero-copy h1{font-size:40px;line-height:1.22;}}
@media (min-width:1280px){.hero-copy h1{font-size:44px;}}
.hero-lead{margin:16px 0 0;font-size:16px;line-height:1.75;color:var(--muted);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-meta{margin:18px 0 0;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center;}
.hero-meta i{color:var(--primary);margin-right:5px;font-size:12px;}
.hero-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;background:#EFE6DA;}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(150deg,rgba(232,69,43,0) 45%,rgba(232,69,43,.14) 100%);}
.hero-badge{position:absolute;top:16px;right:16px;z-index:2;display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:12px;background:rgba(255,255,255,.94);border:1px solid rgba(232,69,43,.24);color:var(--primary-dark);font-size:13px;font-weight:700;letter-spacing:.05em;box-shadow:0 8px 18px rgba(20,33,31,.12);}

/* ---------- stat strip ---------- */
.stat-strip{margin-top:8px;}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
@media (min-width:768px){.stat-grid{grid-template-columns:repeat(4,1fr);gap:16px;}}
.stat-card{display:flex;flex-direction:column;gap:2px;padding:16px 18px;border-radius:var(--radius-sm);background:var(--card);border:1px solid var(--line);box-shadow:0 6px 16px rgba(20,33,31,.05);}
.stat-num{font-size:20px;font-weight:700;color:var(--primary);line-height:1.3;}
.stat-num span{font-size:12px;font-weight:600;color:var(--muted);margin-left:4px;letter-spacing:.04em;}
.stat-label{font-size:12px;color:var(--muted);letter-spacing:.02em;}

/* ---------- sections ---------- */
.section{padding:52px 0;}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-head{max-width:720px;margin-bottom:28px;}
.section-head h2{margin:10px 0 0;font-size:24px;line-height:1.3;font-weight:700;color:var(--text);}
@media (min-width:768px){.section-head h2{font-size:32px;line-height:1.25;}}
.section-head p{margin:12px 0 0;font-size:15px;color:var(--muted);}

/* ---------- filter chips ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.filter-chip{display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 18px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:14px;color:var(--text);transition:background .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;}
.filter-chip:hover{background:var(--soft);border-color:#E2D3C2;}
.filter-chip.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 10px 22px rgba(232,69,43,.22);font-weight:600;}
.filter-chip.active i{color:#fff;}
.filter-chip i{font-size:12px;color:var(--primary);}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:26px;}
.timeline::before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--primary) 0%,rgba(232,69,43,.35) 45%,rgba(234,223,211,.2) 100%);border-radius:2px;}
@media (min-width:768px){.timeline{padding-left:36px;}.timeline::before{left:11px;}}
.tl-item{position:relative;margin-bottom:16px;}
.tl-item::before{content:"";position:absolute;left:-24px;top:30px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--primary);box-shadow:0 0 0 4px rgba(232,69,43,.10);z-index:1;}
@media (min-width:768px){.tl-item::before{left:-31px;width:14px;height:14px;}}
.tl-item.is-hidden{display:none;}
.notice-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
@media (min-width:768px){.notice-card{padding:28px;}}
.notice-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(232,69,43,.3);}
.notice-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px;}
.notice-date{font-size:13px;color:var(--muted);letter-spacing:.03em;}
.notice-title{margin:0 0 8px;font-size:18px;line-height:1.45;font-weight:600;color:var(--text);}
.notice-desc{margin:0 0 14px;font-size:15px;line-height:1.75;color:var(--muted);}
.notice-meta{display:flex;flex-wrap:wrap;gap:8px 20px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted);}
.notice-meta b{color:var(--text);font-weight:600;margin-left:4px;}
.notice-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-top:14px;}

/* ---------- type cards ---------- */
.type-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media (min-width:768px){.type-grid{grid-template-columns:repeat(3,1fr);gap:20px;}}
.type-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);padding:22px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.type-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(232,69,43,.3);}
.type-icon{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:14px;background:var(--primary-soft);color:var(--primary);font-size:18px;margin-bottom:14px;}
.type-card h3{margin:0 0 8px;font-size:18px;line-height:1.45;font-weight:600;}
.type-card p{margin:0;font-size:14px;line-height:1.75;color:var(--muted);}
.type-card ul{margin-top:12px;display:flex;flex-direction:column;gap:6px;}
.type-card li{font-size:14px;color:var(--text);display:flex;gap:8px;align-items:flex-start;}
.type-card li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);margin-top:9px;flex-shrink:0;}

/* ---------- info block ---------- */
.info-block{display:flex;gap:14px;padding:18px 20px;border-radius:var(--radius-sm);background:var(--soft);border-left:4px solid var(--amber);}
.info-block i{color:var(--amber);font-size:18px;margin-top:3px;}
.info-block p{margin:0;font-size:14px;line-height:1.8;color:#4C4441;}

/* ---------- CTA bar ---------- */
.cta-bar{margin-top:8px;border-radius:var(--radius-lg);background:var(--grad);padding:28px;display:flex;flex-direction:column;gap:18px;box-shadow:0 20px 44px rgba(232,69,43,.22);}
@media (min-width:768px){.cta-bar{flex-direction:row;align-items:center;justify-content:space-between;padding:32px;}}
.cta-bar h2{margin:0;font-size:22px;line-height:1.35;font-weight:700;color:#fff;}
@media (min-width:768px){.cta-bar h2{font-size:26px;}}
.cta-bar p{margin:8px 0 0;font-size:14px;color:rgba(255,255,255,.9);max-width:560px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item:hover{border-color:rgba(232,69,43,.3);}
.faq-item.open{box-shadow:var(--shadow);border-color:rgba(232,69,43,.35);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--text);}
.faq-q .faq-ico{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-size:12px;transition:transform .22s ease,background .22s ease,color .22s ease;}
.faq-item.open .faq-ico{transform:rotate(45deg);background:var(--primary);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;}
.faq-a p{margin:0;padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--muted);}

/* ---------- form ---------- */
.consult-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:1024px){.consult-grid{grid-template-columns:5fr 7fr;gap:32px;align-items:start;}}
.consult-copy h2{margin:10px 0 0;font-size:24px;line-height:1.3;font-weight:700;}
@media (min-width:768px){.consult-copy h2{font-size:30px;}}
.consult-copy p{margin:14px 0 0;font-size:15px;color:var(--muted);}
.consult-points{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.consult-points li{display:flex;gap:10px;font-size:14px;color:var(--text);}
.consult-points i{color:var(--ink-green);margin-top:3px;}
.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow);}
@media (min-width:768px){.form-card{padding:32px;}}
.form-row{display:grid;grid-template-columns:1fr;gap:16px;}
@media (min-width:640px){.form-row{grid-template-columns:1fr 1fr;}}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px;}
.field label{font-size:14px;font-weight:600;color:var(--text);}
.field label .req{color:var(--primary);margin-left:3px;}
.field input,.field select,.field textarea{width:100%;height:48px;padding:0 14px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--text);font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;}
.field textarea{height:120px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(232,69,43,.12);}
.field input::placeholder,.field textarea::placeholder{color:var(--disabled);}
.form-tip{font-size:13px;color:var(--muted);margin:12px 0 0;}
.form-ok{display:none;margin-top:14px;padding:12px 16px;border-radius:14px;background:rgba(31,122,107,.1);border:1px solid rgba(31,122,107,.25);color:#12564B;font-size:14px;}
.form-ok.show{display:block;}

/* ---------- footer ---------- */
.site-footer{background:var(--grad-dark);color:#fff;padding:52px 0 26px;margin-top:8px;}
@media (min-width:1024px){.site-footer{padding:72px 0 30px;}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:28px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand .brand-main{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.6);}
.footer-intro{margin:0;font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.footer-badge{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.18);font-size:12px;color:rgba(255,255,255,.78);}
.footer-badge b{color:#fff;font-size:13px;letter-spacing:.04em;}
.footer-title{margin:0 0 14px;font-size:14px;font-weight:600;letter-spacing:.06em;color:#fff;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-link{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease;}
.footer-link:hover{color:#fff;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px;}
.sub-form{display:flex;gap:8px;margin-top:14px;}
.sub-form input{flex:1;min-width:0;height:44px;padding:0 14px;border-radius:14px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);color:#fff;font-size:14px;}
.sub-form input::placeholder{color:rgba(255,255,255,.5);}
.sub-form input:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(242,169,59,.2);}
.sub-form button{height:44px;padding:0 18px;border-radius:14px;background:#fff;color:var(--primary-dark);font-size:14px;font-weight:600;transition:transform .2s ease,box-shadow .2s ease;}
.sub-form button:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(0,0,0,.2);}
.sub-form button:active{transform:translateY(0);}
.footer-bottom{margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-direction:column;gap:8px;font-size:13px;color:rgba(255,255,255,.6);}
@media (min-width:768px){.footer-bottom{flex-direction:row;justify-content:space-between;align-items:center;}}

/* utility */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* roulang page: category4 */
:root{
    --brand:#E8452B;
    --brand-deep:#B32D17;
    --amber:#F2A93B;
    --ink:#0E3B39;
    --ink-text:#14211F;
    --teal:#1F7A6B;
    --bg:#FBF7F1;
    --card:#FFFFFF;
    --soft:#F3EADF;
    --line:#EADFD3;
    --muted:#6B6360;
    --disabled:#B9AFA6;
    --r-xl:28px;
    --r-lg:24px;
    --r-md:20px;
    --r-sm:14px;
    --shadow:0 10px 28px rgba(20,33,31,.08);
    --shadow-hover:0 20px 44px rgba(232,69,43,.16);
    --grad-brand:linear-gradient(120deg,#E8452B 0%,#F2A93B 100%);
    --grad-deep:linear-gradient(135deg,#0E3B39 0%,#1F7A6B 100%);
  }

  *,*::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;
    background:var(--bg);
    color:var(--ink-text);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink-text);}
  :focus-visible{outline:2px solid var(--amber);outline-offset:2px;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

  /* ============ 顶部导航 ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:80;
    padding-top:14px;
    background:var(--bg);
    transition:padding-top .24s ease, box-shadow .24s ease;
  }
  .site-header.shrink{padding-top:6px;}
  .nav-shell{
    display:flex;
    align-items:center;
    gap:18px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-md);
    padding:12px 16px;
    box-shadow:var(--shadow);
    transition:box-shadow .24s ease;
  }
  .site-header.shrink .nav-shell{box-shadow:0 16px 36px rgba(20,33,31,.14);}

  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{
    width:42px;height:42px;border-radius:12px;
    display:flex;align-items:center;justify-content:center;
    background:var(--grad-brand);
    color:#fff;font-size:14px;font-weight:700;letter-spacing:.02em;
    box-shadow:0 6px 16px rgba(232,69,43,.28);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.2;}
  .brand-main{font-size:17px;font-weight:700;color:var(--ink-text);letter-spacing:.01em;}
  .brand-sub{font-size:11px;color:var(--muted);letter-spacing:.14em;}

  .nav-cards{display:flex;align-items:center;gap:8px;margin-left:auto;}
  .nav-card{
    width:88px;height:64px;border-radius:14px;
    border:1px solid var(--line);background:#fff;
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
    font-size:14px;color:var(--ink-text);
    transition:background .2s ease,border-color .2s ease,transform .2s ease,color .2s ease;
  }
  .nav-card i{font-size:16px;color:var(--brand);transition:transform .2s ease;}
  .nav-card:hover{background:#FDECE8;border-color:rgba(232,69,43,.32);transform:translateY(-2px);}
  .nav-card:hover i{transform:scale(1.08);}
  .nav-card:active{transform:translateY(0);}
  .nav-card.active{
    background:#FDECE8;
    border-color:var(--brand);
    font-weight:600;
    box-shadow:inset 0 0 0 1px rgba(232,69,43,.45);
  }
  .nav-card.active i{color:var(--brand-deep);}

  .nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .nav-cta{height:44px;padding:0 22px;font-size:14px;}

  .nav-toggle{
    display:none;
    width:44px;height:44px;border-radius:12px;
    border:1px solid var(--line);background:#fff;color:var(--ink);
    font-size:16px;cursor:pointer;
    transition:background .2s ease,border-color .2s ease;
  }
  .nav-toggle:hover{background:#FDECE8;border-color:rgba(232,69,43,.3);}

  /* 移动端面板 */
  .mobile-panel{
    display:none;
    position:fixed;
    inset:0;
    z-index:90;
    background:rgba(14,59,57,.42);
    backdrop-filter:blur(4px);
    padding:78px 16px 24px;
    overflow-y:auto;
  }
  .mobile-panel.open{display:block;}
  .mobile-inner{
    background:var(--card);
    border-radius:var(--r-lg);
    border:1px solid var(--line);
    padding:20px;
    box-shadow:0 24px 60px rgba(20,33,31,.24);
  }
  .mobile-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
  .mobile-title{font-size:15px;font-weight:700;color:var(--ink-text);}
  .mobile-close{
    width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
    background:#fff;color:var(--muted);cursor:pointer;font-size:15px;
  }
  .mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
  .mobile-card{
    display:flex;align-items:center;gap:10px;
    padding:14px;border-radius:14px;
    border:1px solid var(--line);background:#fff;
    font-size:14px;color:var(--ink-text);
    transition:background .2s ease,border-color .2s ease;
  }
  .mobile-card i{color:var(--brand);font-size:15px;}
  .mobile-card.active{background:#FDECE8;border-color:var(--brand);font-weight:600;}
  .mobile-foot{
    margin-top:16px;padding-top:16px;border-top:1px solid var(--line);
    display:flex;flex-direction:column;gap:10px;
  }
  .mobile-foot p{font-size:13px;color:var(--muted);}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 28px;border-radius:999px;
    font-size:15px;font-weight:600;
    border:1.5px solid transparent;
    cursor:pointer;
    transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
    white-space:nowrap;
  }
  .btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(232,69,43,.22);}
  .btn-primary:hover{background:var(--grad-brand);transform:translateY(-2px);box-shadow:0 14px 30px rgba(232,69,43,.28);}
  .btn-primary:active{transform:translateY(0);background:var(--brand-deep);}
  .btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
  .btn-ghost:hover{background:rgba(14,59,57,.08);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-light{background:#fff;color:var(--brand);}
  .btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.16);}
  .btn-light:active{transform:translateY(0);}
  .btn i{font-size:13px;transition:transform .2s ease;}
  .btn:hover i{transform:translateX(2px);}
  .btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed;transform:none;}

  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--brand);font-size:14px;font-weight:600;
    position:relative;
  }
  .link-arrow::after{
    content:"";position:absolute;left:0;bottom:-3px;height:1.5px;width:0;
    background:var(--brand);transition:width .24s ease;
  }
  .link-arrow:hover::after{width:100%;}
  .link-arrow:hover i{transform:translateX(3px);}
  .link-arrow i{font-size:12px;transition:transform .2s ease;}

  /* ============ 通用板块 ============ */
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;
    background:#FDECE8;color:var(--brand-deep);
    font-size:12px;font-weight:600;letter-spacing:.04em;
    border:1px solid rgba(232,69,43,.18);
  }
  .section-title{font-size:30px;line-height:1.25;font-weight:700;margin:14px 0 10px;color:var(--ink-text);}
  .section-sub{font-size:15px;color:var(--muted);max-width:660px;}

  /* ============ 分类横幅 ============ */
  .page-banner{padding:28px 0 8px;}
  .banner-card{
    position:relative;
    display:grid;
    grid-template-columns:1.15fr .85fr;
    gap:40px;
    align-items:center;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-xl);
    padding:40px;
    box-shadow:var(--shadow);
    overflow:hidden;
  }
  .banner-card::before{
    content:"";
    position:absolute;right:-140px;top:-160px;
    width:520px;height:520px;border-radius:50%;
    background:radial-gradient(circle,rgba(232,69,43,.18) 0%,rgba(242,169,59,.10) 45%,rgba(242,169,59,0) 70%);
    pointer-events:none;
  }
  .crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px;}
  .crumbs a{color:var(--muted);transition:color .2s ease;}
  .crumbs a:hover{color:var(--brand);}
  .crumbs .sep{color:var(--disabled);}
  .crumbs .current{color:var(--brand);font-weight:600;}
  .banner-card h1{
    font-size:40px;line-height:1.22;font-weight:700;letter-spacing:0;
    margin:14px 0 14px;color:var(--ink-text);
  }
  .banner-card h1 em{font-style:normal;color:var(--brand);}
  .banner-lead{font-size:16px;line-height:1.8;color:var(--muted);max-width:520px;}
  .banner-art{position:relative;}
  .banner-art img{
    width:100%;aspect-ratio:16/11;object-fit:cover;
    border-radius:var(--r-lg);background:#EFE6DA;
    box-shadow:0 16px 36px rgba(20,33,31,.14);
    position:relative;z-index:1;
  }
  .banner-tag{
    position:absolute;right:-8px;top:-8px;z-index:2;
    background:var(--grad-brand);color:#fff;
    border-radius:14px;padding:10px 14px;
    font-size:12px;font-weight:700;letter-spacing:.04em;
    box-shadow:0 10px 22px rgba(232,69,43,.3);
    text-align:center;line-height:1.35;
  }
  .banner-tag span{display:block;font-size:16px;}

  /* ============ 数据徽章条 ============ */
  .stats-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:24px;}
  .stat{
    display:flex;align-items:baseline;gap:10px;
    background:#fff;border:1px solid var(--line);
    border-radius:999px;padding:12px 20px;
    transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .stat:hover{border-color:rgba(232,69,43,.32);transform:translateY(-2px);box-shadow:var(--shadow);}
  .stat b{font-size:20px;font-weight:700;color:var(--brand);letter-spacing:.01em;}
  .stat span{font-size:12px;color:var(--muted);letter-spacing:.04em;}

  /* ============ 标签胶囊 ============ */
  .tag-row{display:flex;flex-wrap:wrap;gap:10px;}
  .tag{
    display:inline-flex;align-items:center;gap:7px;
    padding:9px 18px;border-radius:999px;
    background:#fff;border:1px solid var(--line);
    font-size:14px;color:var(--ink-text);cursor:pointer;
    transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
  }
  .tag i{font-size:12px;color:var(--teal);}
  .tag:hover{background:#FDECE8;border-color:rgba(232,69,43,.3);transform:translateY(-2px);}
  .tag.on{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600;}
  .tag.on i{color:var(--amber);}

  /* ============ FAQ 手风琴 ============ */
  .faq-wrap{max-width:860px;}
  .faq-group{margin-bottom:34px;}
  .faq-group-title{
    display:flex;align-items:center;gap:10px;
    font-size:15px;font-weight:700;color:var(--teal);
    letter-spacing:.04em;margin-bottom:14px;
  }
  .faq-group-title::before{
    content:"";width:6px;height:18px;border-radius:3px;background:var(--grad-brand);
  }
  .faq-item{
    background:#fff;border:1px solid var(--line);
    border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;
    transition:border-color .22s ease,box-shadow .22s ease;
  }
  .faq-item:hover{border-color:rgba(232,69,43,.28);}
  .faq-item.open{border-color:rgba(232,69,43,.4);box-shadow:var(--shadow);}
  .faq-q{
    display:flex;align-items:center;justify-content:space-between;gap:18px;
    width:100%;padding:20px 24px;
    background:none;border:0;text-align:left;cursor:pointer;
    font-size:16px;font-weight:600;line-height:1.5;color:var(--ink-text);
  }
  .faq-q .q-index{
    display:inline-flex;align-items:center;justify-content:center;
    width:24px;height:24px;border-radius:8px;flex-shrink:0;
    background:var(--soft);color:var(--brand-deep);
    font-size:12px;font-weight:700;margin-right:10px;
  }
  .faq-icon{
    width:26px;height:26px;flex-shrink:0;border-radius:50%;
    border:1px solid var(--line);color:var(--brand);
    display:flex;align-items:center;justify-content:center;
    font-size:12px;transition:transform .22s ease,background .22s ease,color .22s ease;
  }
  .faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff;border-color:var(--brand);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
  .faq-a-inner{
    padding:0 24px 22px 58px;
    font-size:15px;line-height:1.85;color:var(--muted);
  }
  .faq-a-inner strong{color:var(--ink-text);font-weight:600;}

  .tip-box{
    background:var(--soft);border-left:4px solid var(--amber);
    border-radius:14px;padding:16px 20px;
    font-size:14px;line-height:1.8;color:#5A4A3E;
    margin-top:18px;
  }

  /* ============ 渐变 CTA 条 ============ */
  .cta-bar{
    background:var(--grad-brand);
    border-radius:var(--r-xl);
    padding:34px 40px;
    display:flex;align-items:center;justify-content:space-between;gap:28px;
    color:#fff;box-shadow:0 18px 40px rgba(232,69,43,.24);
    position:relative;overflow:hidden;
  }
  .cta-bar::after{
    content:"";position:absolute;right:-60px;bottom:-110px;
    width:280px;height:280px;border-radius:50%;
    background:rgba(255,255,255,.12);
  }
  .cta-bar h3{font-size:24px;line-height:1.35;font-weight:700;margin-bottom:8px;}
  .cta-bar p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.9);max-width:620px;}
  .cta-bar .btn{position:relative;z-index:1;}

  /* ============ 咨询表单 ============ */
  .consult-grid{display:grid;grid-template-columns:5fr 7fr;gap:28px;align-items:start;}
  .consult-info{
    background:var(--ink);
    color:#fff;border-radius:var(--r-xl);padding:36px;
    background-image:var(--grad-deep);
    border:1px solid rgba(255,255,255,.12);
  }
  .consult-info h3{font-size:24px;line-height:1.35;font-weight:700;margin-bottom:14px;}
  .consult-info p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.76);}
  .consult-points{margin-top:24px;display:flex;flex-direction:column;gap:14px;}
  .consult-points li{
    display:flex;gap:12px;align-items:flex-start;
    font-size:14px;line-height:1.7;color:rgba(255,255,255,.86);
    padding:14px 16px;border-radius:14px;
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.12);
  }
  .consult-points i{color:var(--amber);font-size:14px;margin-top:4px;}

  .form-card{
    background:#fff;border:1px solid var(--line);
    border-radius:var(--r-xl);padding:32px;box-shadow:var(--shadow);
  }
  .form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
  .field{margin-bottom:18px;}
  .field label{
    display:block;font-size:14px;font-weight:600;color:var(--ink-text);
    margin-bottom:8px;
  }
  .field label .req{color:var(--brand);margin-left:3px;}
  .field input,.field select,.field textarea{
    width:100%;height:48px;border-radius:14px;
    border:1px solid var(--line);background:#fff;
    padding:0 16px;outline:none;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .field textarea{height:130px;padding:12px 16px;line-height:1.7;resize:vertical;}
  .field input::placeholder,.field textarea::placeholder{color:var(--disabled);}
  .field input:focus,.field select:focus,.field textarea:focus{
    border-color:var(--brand);
    box-shadow:0 0 0 3px rgba(232,69,43,.12);
  }
  .field .hint{font-size:13px;color:var(--muted);margin-top:6px;}
  .form-note{font-size:13px;color:var(--muted);margin-top:14px;line-height:1.7;}

  /* ============ 页脚 ============ */
  .site-footer{
    margin-top:64px;
    background-image:var(--grad-deep);
    background-color:var(--ink);
    color:#fff;
    padding:64px 0 0;
    border-radius:36px 36px 0 0;
  }
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
  .footer-brand .brand-mark{box-shadow:none;}
  .footer-brand .brand-main{color:#fff;}
  .footer-brand .brand-sub{color:rgba(255,255,255,.6);}
  .footer-intro{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);}
  .footer-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
  .footer-badge{
    display:inline-flex;align-items:baseline;gap:6px;
    padding:8px 14px;border-radius:999px;
    border:1px solid rgba(255,255,255,.18);
    background:rgba(255,255,255,.06);
    font-size:12px;color:rgba(255,255,255,.72);letter-spacing:.04em;
  }
  .footer-badge b{font-size:15px;color:var(--amber);font-weight:700;}
  .footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
  .footer-list{display:flex;flex-direction:column;gap:11px;}
  .footer-link{
    font-size:14px;color:rgba(255,255,255,.72);
    text-decoration:underline;text-decoration-color:transparent;
    text-underline-offset:4px;text-decoration-thickness:2px;
    transition:color .2s ease,text-decoration-color .2s ease;
  }
  .footer-link:hover{color:#fff;text-decoration-color:#fff;}
  .sub-form{display:flex;gap:8px;margin-top:14px;}
  .sub-form input{
    flex:1;height:44px;border-radius:12px;
    border:1px solid rgba(255,255,255,.2);
    background:rgba(255,255,255,.08);color:#fff;
    padding:0 14px;outline:none;font-size:14px;
    transition:border-color .2s ease,background .2s ease;
  }
  .sub-form input::placeholder{color:rgba(255,255,255,.45);}
  .sub-form input:focus{border-color:var(--amber);background:rgba(255,255,255,.14);}
  .sub-form button{
    height:44px;padding:0 20px;border-radius:12px;border:0;
    background:var(--brand);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
    transition:background .2s ease,transform .2s ease;
  }
  .sub-form button:hover{background:var(--brand-deep);transform:translateY(-1px);}
  .footer-bottom{
    margin-top:48px;padding:22px 0 28px;
    border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
    font-size:13px;color:rgba(255,255,255,.55);
  }

  /* ============ 响应式 ============ */
  @media (max-width:1024px){
    .banner-card{grid-template-columns:1fr;gap:28px;padding:32px;}
    .banner-card h1{font-size:34px;}
    .banner-art img{aspect-ratio:16/9;}
    .stats-strip{grid-template-columns:repeat(2,1fr);}
    .consult-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
    .cta-bar{flex-direction:column;align-items:flex-start;}
  }
  @media (max-width:860px){
    .nav-cards{display:none;}
    .nav-cta{display:none;}
    .nav-toggle{display:flex;align-items:center;justify-content:center;}
    .nav-shell{padding:10px 12px;}
    .section{padding:48px 0;}
    .section-title{font-size:24px;}
  }
  @media (max-width:640px){
    .container{padding:0 16px;}
    .banner-card{padding:24px;border-radius:22px;}
    .banner-card h1{font-size:27px;}
    .banner-lead{font-size:15px;}
    .banner-tag{padding:8px 12px;font-size:11px;right:-4px;}
    .stats-strip{grid-template-columns:1fr 1fr;gap:10px;}
    .stat{padding:10px 14px;border-radius:16px;}
    .stat b{font-size:17px;}
    .stat span{font-size:11px;}
    .faq-q{padding:16px 18px;font-size:15px;}
    .faq-a-inner{padding:0 18px 18px 18px;}
    .faq-q .q-index{display:none;}
    .form-row{grid-template-columns:1fr;}
    .form-card{padding:22px;border-radius:22px;}
    .consult-info{padding:26px;border-radius:22px;}
    .cta-bar{padding:24px;border-radius:22px;}
    .cta-bar h3{font-size:20px;}
    .footer-grid{grid-template-columns:1fr;}
    .site-footer{border-radius:26px 26px 0 0;padding-top:48px;}
    .footer-bottom{flex-direction:column;}
    .btn{height:46px;padding:0 22px;font-size:14px;}
  }