/* roulang page: index */
:root{
  --bg:#FFF7F2;
  --bg-soft:#F6F0FF;
  --dark:#14102A;
  --dark-2:#0F0B20;
  --ink:#171130;
  --ink-2:#5C5677;
  --line:#EBE3F6;
  --brand:#FF5A3C;
  --brand-ink:#E2431F;
  --brand-soft:#FFE7DF;
  --accent:#7C4DFF;
  --accent-soft:#EDE6FF;
  --mint:#0FBFA6;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-img:14px;
  --radius-img-lg:20px;
  --sh-1:0 1px 2px rgba(23,17,48,.06), 0 8px 24px -12px rgba(23,17,48,.18);
  --sh-2:0 2px 0 #EFE7FA, 0 18px 40px -22px rgba(124,77,255,.35);
  --t:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Inter","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{letter-spacing:-0.01em;line-height:1.25;font-weight:800;margin:0;color:var(--ink);}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}

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

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-weight:700;font-size:15px;line-height:1;white-space:nowrap;
  transition:transform var(--t),background-color var(--t),border-color var(--t),box-shadow var(--t),color var(--t);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px -14px rgba(255,90,60,.85);}
.btn-primary:hover{background:var(--brand-ink);transform:translateY(-2px);box-shadow:0 16px 32px -16px rgba(226,67,31,.9);}
.btn-primary:active{transform:translateY(0) scale(.99);}
.btn-outline{border:1.5px solid var(--line);background:transparent;color:var(--ink);}
.btn-outline:hover{border-color:var(--accent);background:var(--accent-soft);}
.btn-outline:active{transform:scale(.99);}
.btn-ondark{border:1.5px solid rgba(255,255,255,.3);background:transparent;color:#fff;}
.btn-ondark:hover{border-color:#fff;background:rgba(255,255,255,.08);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.btn-block{width:100%;}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);}
.topbar-inner{height:72px;display:flex;align-items:center;gap:20px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;letter-spacing:.02em;
  box-shadow:0 8px 18px -10px rgba(255,90,60,.9);
}
.logo-text{font-weight:700;font-size:16px;color:var(--ink);white-space:nowrap;}
.logo-text em{font-style:normal;color:var(--brand);}
.search-wrap{flex:1;display:flex;justify-content:center;min-width:0;}
.search-form{
  position:relative;display:flex;align-items:center;width:100%;max-width:560px;
  background:#fff;border:1.5px solid var(--line);border-radius:999px;padding:0 4px 0 14px;height:44px;
  transition:border-color var(--t),box-shadow var(--t);
}
.search-form:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,90,60,.18);}
.search-form svg{flex-shrink:0;color:var(--ink-2);}
.search-input{flex:1;min-width:0;border:0;outline:none;background:transparent;height:100%;padding:0 10px;font-size:14px;}
.search-input::placeholder{color:#9C96B4;}
.search-btn{
  height:34px;padding:0 16px;border-radius:999px;background:var(--brand);color:#fff;
  font-size:13px;font-weight:700;transition:background-color var(--t),transform var(--t);
}
.search-btn:hover{background:var(--brand-ink);}
.search-btn:active{transform:scale(.98);}
.top-actions{display:flex;align-items:center;gap:16px;flex-shrink:0;}
.link-login{font-size:14px;font-weight:600;color:var(--ink-2);transition:color var(--t);}
.link-login:hover{color:var(--brand);}
.catbar{border-top:1px solid var(--line);background:#fff;}
.catbar-inner{height:48px;display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;}
.catbar-inner::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;height:32px;padding:0 15px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--ink-2);white-space:nowrap;
  transition:background-color var(--t),color var(--t);
}
.chip:hover{background:var(--accent-soft);color:var(--accent);}
.chip.active{background:var(--brand-soft);color:var(--brand-ink);}
.mobile-bar{display:none;}
.drawer,.mask{display:none;}

/* ============ Hero ============ */
.hero{background:var(--dark);color:#fff;position:relative;overflow:hidden;}
.hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,77,255,.45),transparent 65%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:72px 0 64px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(255,90,60,.18);color:#FFB6A4;font-size:13px;font-weight:700;margin-bottom:20px;
}
.hero h1{font-size:40px;color:#fff;margin-bottom:18px;}
.hero h1 span{color:var(--brand);}
.hero-sub{font-size:18px;line-height:1.8;color:rgba(255,255,255,.72);max-width:520px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px;padding-top:28px;border-top:1px solid rgba(255,255,255,.14);}
.stat-num{font-size:26px;font-weight:800;color:var(--mint);line-height:1.2;}
.stat-num.b{color:var(--brand);}
.stat-label{font-size:13px;color:rgba(255,255,255,.6);margin-top:4px;line-height:1.5;}
.hero-visual{position:relative;}
.hero-frame{
  position:absolute;inset:0;transform:translate(14px,14px);
  border:8px solid var(--brand);border-radius:var(--radius-img-lg);z-index:0;
}
.hero-img{
  position:relative;z-index:1;width:100%;height:360px;object-fit:cover;
  border-radius:var(--radius-img-lg);box-shadow:0 30px 60px -30px rgba(0,0,0,.8);
}

/* ============ 通用板块 ============ */
.section{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap;}
.section-title{font-size:28px;}
.section-sub{color:var(--ink-2);font-size:15px;margin-top:8px;max-width:640px;}
.more-link{font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px;transition:gap var(--t),color var(--t);}
.more-link:hover{color:var(--brand-ink);gap:10px;}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:700;}

/* ============ 信任指标 ============ */
.trust{background:#fff;border-bottom:1px solid var(--line);}
.trust-inner{display:grid;grid-template-columns:repeat(3,1fr);gap:0;}
.trust-item{padding:26px 24px;border-right:1px solid var(--line);}
.trust-item:last-child{border-right:0;}
.trust-item h3{font-size:16px;margin-bottom:6px;}
.trust-item p{font-size:14px;color:var(--ink-2);line-height:1.7;}

/* ============ 三步上手 ============ */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;}
.steps-grid::before{
  content:"";position:absolute;top:38px;left:12%;right:12%;border-top:2px dashed var(--line);z-index:0;
}
.step{
  position:relative;z-index:1;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 22px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.step-num{font-size:28px;font-weight:800;color:var(--brand);line-height:1;margin-bottom:14px;}
.step h3{font-size:17px;margin-bottom:10px;}
.step p{font-size:14px;color:var(--ink-2);line-height:1.7;}

/* ============ 案例证明 ============ */
.cases{background:var(--bg-soft);}
.case-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;}
.case-col{display:grid;gap:24px;}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t);
}
.case-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.case-img{width:100%;height:200px;object-fit:cover;}
.case-img.sm{height:132px;}
.case-body{padding:22px;}
.case-body h3{font-size:17px;margin-bottom:10px;}
.case-result{font-size:15px;color:var(--ink-2);line-height:1.75;}
.case-source{font-size:13px;color:#8C86A6;margin-top:14px;}
.case-badges{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px;}

/* ============ 最新信息 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t);
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.post-thumb{
  height:168px;background-color:var(--accent-soft);background-size:cover;background-position:center;
  display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:40px;font-weight:800;
}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-title{
  font-size:16.5px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-sum{
  font-size:14px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:6px;font-size:13px;color:#8C86A6;}
.post-foot .arrow{color:var(--brand);font-weight:700;transition:transform var(--t);}
.post-card:hover .arrow{transform:translateX(4px);}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 20px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);
}
.empty-state .ico{font-size:30px;color:var(--accent);}
.empty-state p{color:var(--ink-2);margin:10px 0 18px;font-size:15px;}
.center-more{text-align:center;margin-top:28px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;
  transition:box-shadow var(--t),border-color var(--t);
}
.faq-item[open]{border-left:4px solid var(--brand);background:linear-gradient(90deg,rgba(255,231,223,.5),#fff 40%);box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;background:var(--brand-soft);color:var(--brand-ink);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;
  transition:transform var(--t),background-color var(--t);
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-answer{padding:0 22px 20px;font-size:15px;color:var(--ink-2);line-height:1.85;}

/* ============ CTA ============ */
.cta{background:var(--dark);color:#fff;padding:72px 0 56px;}
.cta-inner{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.cta h2{font-size:28px;color:#fff;margin-bottom:14px;}
.cta p.lead{font-size:16px;color:rgba(255,255,255,.72);line-height:1.8;}
.cta-list{margin-top:24px;display:grid;gap:12px;}
.cta-list li{display:flex;gap:10px;font-size:15px;color:rgba(255,255,255,.82);}
.cta-list li::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--brand);margin-top:11px;flex-shrink:0;}
.form-card{
  background:#fff;border-radius:18px;padding:28px;box-shadow:0 40px 80px -40px rgba(0,0,0,.7);
  margin-top:-40px;color:var(--ink);
}
.form-card h3{font-size:18px;margin-bottom:6px;}
.form-card .hint{font-size:13.5px;color:var(--ink-2);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:7px;color:var(--ink);}
.field input,.field select,.field textarea{
  width:100%;border:1.5px solid var(--line);border-radius:12px;background:#fff;
  padding:12px 14px;font-size:14.5px;outline:none;transition:border-color var(--t),box-shadow var(--t);
}
.field textarea{min-height:88px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,90,60,.18);}
.field input::placeholder,.field textarea::placeholder{color:#A9A3BE;}
.form-note{font-size:12.5px;color:#8C86A6;margin-top:14px;line-height:1.7;}

/* ============ 页脚 ============ */
.footer{background:var(--dark-2);color:rgba(255,255,255,.72);padding:60px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer .logo-text{color:#fff;}
.footer-desc{font-size:14px;line-height:1.8;margin-top:16px;max-width:300px;color:rgba(255,255,255,.6);}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700;}
.footer li{margin-bottom:10px;}
.footer a{font-size:14px;color:rgba(255,255,255,.68);transition:color var(--t);}
.footer a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:56px 0 48px;}
  .hero-img{height:280px;}
  .case-grid{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .steps-grid{grid-template-columns:1fr;gap:16px;}
  .steps-grid::before{display:none;}
  .step{border-left:4px solid var(--brand);}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .form-card{margin-top:0;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .trust-inner{grid-template-columns:1fr;}
  .trust-item{border-right:0;border-bottom:1px solid var(--line);}
  .trust-item:last-child{border-bottom:0;}
}
@media (max-width:768px){
  .topbar-inner{height:60px;gap:12px;}
  .search-wrap,.top-actions{display:none;}
  .catbar{display:none;}
  .mobile-bar{display:flex;align-items:center;justify-content:space-between;height:60px;}
  .mobile-bar .icons{display:flex;align-items:center;gap:6px;}
  .icon-btn{
    width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
    color:var(--ink);transition:background-color var(--t),color var(--t);
  }
  .icon-btn:hover{background:var(--accent-soft);color:var(--accent);}
  .drawer{
    display:block;position:fixed;top:0;right:0;height:100%;width:84%;max-width:360px;background:#fff;z-index:90;
    transform:translateX(102%);transition:transform var(--t);padding:20px;overflow-y:auto;
    box-shadow:-20px 0 50px -30px rgba(23,17,48,.5);
  }
  .drawer.open{transform:translateX(0);}
  .drawer .search-form{max-width:none;margin:12px 0 20px;}
  .drawer nav a{
    display:block;padding:13px 14px;border-radius:12px;font-weight:600;font-size:15px;color:var(--ink);
    transition:background-color var(--t),color var(--t);
  }
  .drawer nav a:hover{background:var(--bg-soft);color:var(--accent);}
  .drawer nav a.active{background:var(--brand-soft);color:var(--brand-ink);}
  .drawer .drawer-cta{margin-top:20px;display:grid;gap:10px;}
  .mask{display:block;position:fixed;inset:0;background:rgba(20,16,42,.5);opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:80;}
  .mask.show{opacity:1;visibility:visible;}
  .section{padding:48px 0;}
  .section-title{font-size:23px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:16px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:14px;}
  .post-grid{grid-template-columns:1fr;}
  .faq-item summary{font-size:15px;padding:16px 16px;}
  .faq-answer{padding:0 16px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta h2{font-size:23px;}
  .form-card{padding:22px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  body{font-size:15px;line-height:1.8;}
  .hero-img{height:220px;}
  .hero-frame{transform:translate(8px,8px);border-width:6px;}
  .logo-text{font-size:15px;}
  .hero-cta .btn{flex:1 1 100%;}
  .case-img{height:170px;}
}

/* roulang page: article */
:root{
  --bg:#FFF7F2;
  --bg-soft:#F6F0FF;
  --dark:#14102A;
  --dark-2:#0F0B20;
  --ink:#171130;
  --ink-2:#5C5677;
  --line:#EBE3F6;
  --brand:#FF5A3C;
  --brand-ink:#E2431F;
  --brand-soft:#FFE7DF;
  --accent:#7C4DFF;
  --accent-soft:#EDE6FF;
  --mint:#0FBFA6;
  --r-card:16px;
  --r-btn:12px;
  --r-img:14px;
  --r-img-lg:20px;
  --shadow:0 1px 2px rgba(23,17,48,.06), 0 8px 24px -12px rgba(23,17,48,.18);
  --shadow-hover:0 2px 0 #EFE7FA, 0 18px 40px -22px rgba(124,77,255,.35);
  --font-sans:"Inter","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25;}
p{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

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

/* ---------- Header ---------- */
.site-header{
  background:#fff;
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:60;
}
.header-top{
  display:flex;align-items:center;gap:24px;
  height:72px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:32px;height:32px;border-radius:9px;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:13px;letter-spacing:.02em;
}
.logo-text{font-weight:700;font-size:16px;color:var(--ink);letter-spacing:-.01em;}
.logo-text em{font-style:normal;color:var(--brand);}

.search-wrap{flex:1;display:flex;justify-content:center;}
.search-bar{
  display:flex;align-items:center;width:100%;max-width:560px;
  height:44px;border:1.5px solid var(--line);border-radius:999px;
  background:var(--bg);padding:0 6px 0 16px;
  transition:border-color 180ms ease-out, box-shadow 180ms ease-out;
}
.search-bar:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(255,90,60,.18);
}
.search-bar i{color:var(--ink-2);font-size:15px;}
.search-bar input{
  flex:1;border:none;background:transparent;outline:none;
  padding:0 12px;font-size:14px;color:var(--ink);
}
.search-bar input::placeholder{color:#9A94B0;}
.search-btn{
  height:34px;padding:0 16px;border-radius:999px;
  background:var(--brand);color:#fff;font-weight:700;font-size:13px;
  display:inline-flex;align-items:center;gap:6px;
  transition:background 180ms ease-out, transform 180ms ease-out;
}
.search-btn:hover{background:var(--brand-ink);}
.search-btn:active{transform:scale(.98);}

.header-actions{display:flex;align-items:center;gap:16px;flex-shrink:0;}
.login-link{font-size:14px;font-weight:600;color:var(--ink-2);transition:color 180ms ease-out;}
.login-link:hover{color:var(--brand);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-weight:700;font-size:15px;
  transition:background 180ms ease-out, transform 180ms ease-out, box-shadow 180ms ease-out, border-color 180ms ease-out, color 180ms ease-out;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-ink);transform:translateY(-2px);box-shadow:0 14px 28px -14px rgba(226,67,31,.6);}
.btn-primary:active{transform:translateY(0) scale(.99);}
.btn-outline{border:1.5px solid var(--line);color:var(--ink);background:transparent;}
.btn-outline:hover{border-color:var(--accent);background:var(--accent-soft);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

.header-nav{border-top:1px solid var(--line);height:48px;display:flex;align-items:center;}
.nav-chips{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;}
.nav-chips::-webkit-scrollbar{display:none;}
.nav-chips a{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:999px;font-size:14px;font-weight:600;color:var(--ink-2);
  white-space:nowrap;
  transition:background 180ms ease-out, color 180ms ease-out;
}
.nav-chips a:hover{background:var(--bg-soft);color:var(--accent);}
.nav-chips a.active{background:var(--brand-soft);color:var(--brand);}

.mobile-actions{display:none;align-items:center;gap:12px;margin-left:auto;}
.icon-btn{
  width:40px;height:40px;border-radius:10px;border:1.5px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink);
  transition:border-color 180ms ease-out,background 180ms ease-out;
}
.icon-btn:hover{border-color:var(--accent);background:var(--accent-soft);}
.mobile-search-row{display:none;padding:12px 0 16px;border-bottom:1px solid var(--line);}

/* ---------- Breadcrumb ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:14px 0;font-size:13px;color:var(--ink-2);
}
.crumb a{color:var(--ink-2);transition:color 180ms ease-out;}
.crumb a:hover{color:var(--brand);}
.crumb span.sep{opacity:.5;}

/* ---------- Article head ---------- */
.article-head{
  background:var(--dark);color:#fff;
  padding:56px 0 64px;
  position:relative;overflow:hidden;
}
.article-head::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;
  border-radius:50%;background:rgba(124,77,255,.22);
}
.article-head .container{position:relative;z-index:2;}
.head-inner{max-width:820px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 14px;border-radius:999px;
  font-size:13px;font-weight:700;
  background:var(--accent-soft);color:var(--accent);
}
.article-head .badge{background:rgba(124,77,255,.28);color:#D9CBFF;}
.article-head h1{
  margin-top:18px;font-size:36px;line-height:1.3;font-weight:800;color:#fff;
}
.head-meta{
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
  margin-top:20px;font-size:13px;color:rgba(255,255,255,.62);
}
.head-meta span{display:inline-flex;align-items:center;gap:6px;}

/* ---------- Article body ---------- */
.article-section{padding:64px 0 72px;}
.article-body{max-width:760px;margin:0 auto;}
.article-body h2{
  font-size:24px;margin:38px 0 16px;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:19px;margin:28px 0 12px;color:var(--ink);}
.article-body p{font-size:18px;line-height:1.9;margin:0 0 18px;color:#2A2440;}
.article-body ul{margin:0 0 20px;}
.article-body ul li{
  position:relative;padding-left:20px;margin-bottom:10px;
  font-size:17px;line-height:1.85;color:#2A2440;
}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:8px;height:8px;border-radius:2px;background:var(--brand);
}
.article-body ol{margin:0 0 20px;counter-reset:ai;}
.article-body ol li{
  position:relative;padding-left:28px;margin-bottom:10px;
  font-size:17px;line-height:1.85;color:#2A2440;counter-increment:ai;
}
.article-body ol li::before{
  content:counter(ai);position:absolute;left:0;top:.24em;
  width:20px;height:20px;border-radius:6px;background:var(--accent-soft);color:var(--accent);
  font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.article-body img{margin:26px 0 8px;border-radius:var(--r-img);}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;border-left:4px solid var(--brand);
  background:var(--bg-soft);border-radius:0 var(--r-card) var(--r-card) 0;
  color:var(--ink-2);font-size:16px;line-height:1.85;
}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand-ink);}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--bg-soft);font-weight:700;}

.empty-state{
  max-width:760px;margin:0 auto;text-align:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:56px 24px;box-shadow:var(--shadow);
}
.empty-state .ico{
  width:56px;height:56px;border-radius:16px;background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:22px;margin:0 auto 18px;
}
.empty-state h2{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:22px;}

/* ---------- Notice / tags ---------- */
.notice{
  max-width:760px;margin:36px auto 0;
  display:flex;gap:14px;padding:18px 22px;
  background:var(--bg-soft);border-left:4px solid var(--brand);
  border-radius:0 var(--r-card) var(--r-card) 0;
}
.notice i{color:var(--brand);font-size:17px;margin-top:4px;}
.notice strong{display:block;font-size:15px;margin-bottom:4px;}
.notice p{font-size:14px;line-height:1.8;color:var(--ink-2);}

.tag-row{
  max-width:760px;margin:28px auto 0;
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.tag-row .label{font-size:13px;color:var(--ink-2);}
.chip{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--ink-2);
  transition:border-color 180ms ease-out,color 180ms ease-out,background 180ms ease-out;
}
.chip:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft);}

/* ---------- Related ---------- */
.related{background:var(--bg-soft);padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:26px;}
.section-head p{margin-top:8px;font-size:15px;color:var(--ink-2);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--brand);
  transition:gap 180ms ease-out,color 180ms ease-out;
}
.link-arrow:hover{gap:10px;color:var(--brand-ink);}

.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rec-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform 180ms ease-out, box-shadow 180ms ease-out;
}
.rec-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.rec-cover{
  aspect-ratio:16/9;background:var(--accent-soft);overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  color:var(--accent);font-weight:800;font-size:28px;
}
.rec-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.rec-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:17px;line-height:1.5;transition:color 180ms ease-out;}
.rec-card:hover .rec-body h3{color:var(--brand);}
.rec-body p{font-size:14px;line-height:1.7;color:var(--ink-2);}
.rec-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-2);padding-top:12px;border-top:1px solid var(--line);
}
.rec-foot i{color:var(--brand);}

.back-row{display:flex;justify-content:center;padding:40px 0 0;}

/* ---------- CTA strip ---------- */
.cta-strip{background:var(--dark);color:#fff;padding:64px 0;}
.cta-strip-inner{
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
}
.cta-strip h2{font-size:26px;color:#fff;}
.cta-strip p{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.7);}
.cta-points{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.cta-points span{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.78);}
.cta-points i{color:var(--mint);}
.cta-card{
  background:#fff;border-radius:18px;padding:26px;color:var(--ink);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.6);
}
.cta-card h3{font-size:18px;margin-bottom:6px;}
.cta-card p{font-size:13px;color:var(--ink-2);margin-bottom:16px;}
.cta-card .btn{width:100%;}

/* ---------- Footer ---------- */
.footer{background:var(--dark-2);color:#fff;padding:64px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer .logo-text{color:#fff;}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px;}
.footer h4{font-size:15px;font-weight:700;margin-bottom:16px;color:#fff;}
.footer ul li{margin-bottom:10px;font-size:14px;color:rgba(255,255,255,.62);line-height:1.7;}
.footer ul li a{color:rgba(255,255,255,.62);transition:color 180ms ease-out;}
.footer ul li a:hover{color:var(--brand);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .header-top{gap:18px;}
  .search-bar{max-width:420px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .cta-strip-inner{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .search-wrap,.header-actions{display:none;}
  .mobile-actions{display:flex;}
  .header-top{height:60px;}
  .header-nav{height:auto;padding:10px 0;border-top:1px solid var(--line);}
  .article-head{padding:40px 0 48px;}
  .article-head h1{font-size:26px;}
  .article-section{padding:44px 0 52px;}
  .article-body p{font-size:17px;}
  .article-body h2{font-size:21px;}
  .related{padding:52px 0;}
  .cta-strip{padding:48px 0;}
  .cta-strip h2{font-size:22px;}
  .card-grid{grid-template-columns:1fr;}
  .footer{padding-top:48px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .section-head{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .logo-text{font-size:15px;}
  .article-head h1{font-size:23px;}
  .head-meta{gap:14px;font-size:12px;}
  .btn{width:100%;}
  .back-row .btn{width:100%;}
}
.mobile-search-row.open{display:block;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:340px;
  background:#fff;z-index:90;padding:20px;transform:translateX(102%);
  transition:transform 220ms ease-out;overflow-y:auto;
  box-shadow:-20px 0 50px -30px rgba(23,17,48,.5);
}
.drawer.open{transform:translateX(0);}
.drawer .search-bar{margin-bottom:20px;max-width:none;}
.drawer h4{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-2);margin:20px 0 12px;}
.drawer ul li{margin-bottom:10px;}
.drawer ul li a{font-size:15px;font-weight:600;color:var(--ink);transition:color 180ms ease-out;}
.drawer ul li a:hover{color:var(--brand);}
.drawer .btn{margin-top:22px;width:100%;}
.mask{
  position:fixed;inset:0;background:rgba(20,16,42,.5);z-index:80;
  opacity:0;visibility:hidden;transition:opacity 220ms ease-out,visibility 220ms ease-out;
}
.mask.open{opacity:1;visibility:visible;}
.drawer-close{margin-left:auto;display:flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;border:1.5px solid var(--line);color:var(--ink);}
.drawer-head{display:flex;align-items:center;margin-bottom:18px;}

/* roulang page: category1 */
:root{
    --bg:#FFF7F2;
    --bg-soft:#F6F0FF;
    --dark:#14102A;
    --dark-2:#0F0B20;
    --ink:#171130;
    --ink-2:#5C5677;
    --line:#EBE3F6;
    --brand:#FF5A3C;
    --brand-ink:#E2431F;
    --brand-soft:#FFE7DF;
    --accent:#7C4DFF;
    --accent-soft:#EDE6FF;
    --mint:#0FBFA6;
    --font-sans:"Inter","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
    --radius-card:16px;
    --radius-btn:12px;
    --radius-img:14px;
    --radius-lg:20px;
    --shadow-1:0 1px 2px rgba(23,17,48,.06),0 8px 24px -12px rgba(23,17,48,.18);
    --shadow-2:0 2px 0 #EFE7FA,0 18px 40px -22px rgba(124,77,255,.35);
    --ease:180ms ease-out;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.85;
    color:var(--ink);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25;color:var(--ink)}
  p{margin:0}
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input{font:inherit}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  .is-hidden{display:none !important}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 22px;border-radius:var(--radius-btn);
    font-weight:700;font-size:15px;border:1.5px solid transparent;cursor:pointer;
    transition:transform var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);
  }
  .btn-sm{height:40px;padding:0 18px;font-size:14px}
  .btn-primary{background:var(--brand);color:#fff}
  .btn-primary:hover{background:var(--brand-ink);transform:translateY(-2px);box-shadow:0 18px 40px -22px rgba(226,67,31,.65)}
  .btn-primary:active{transform:translateY(0) scale(.99)}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
  .btn-ghost:hover{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}
  .btn-ghost-dark{background:transparent;border-color:rgba(255,255,255,.3);color:#fff}
  .btn-ghost-dark:hover{border-color:rgba(255,255,255,.72);background:rgba(255,255,255,.08);transform:translateY(-2px)}
  .btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

  /* ============ 导航 ============ */
  .site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line)}
  .header-top{border-bottom:1px solid var(--line)}
  .header-inner{display:flex;align-items:center;gap:20px;height:72px}
  .logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .logo-mark{
    width:32px;height:32px;border-radius:10px;background:var(--brand);color:#fff;
    display:grid;place-items:center;font-weight:800;font-size:13px;letter-spacing:.02em;
  }
  .logo-text{font-weight:700;font-size:17px;color:var(--ink);white-space:nowrap;letter-spacing:-.01em}
  .logo-text em{font-style:normal;color:var(--brand)}
  .search{position:relative;flex:1 1 auto;max-width:560px;margin:0 auto;display:flex;align-items:center}
  .search-icon{position:absolute;left:16px;width:18px;height:18px;color:var(--ink-2);pointer-events:none}
  .search input{
    width:100%;height:46px;border-radius:999px;border:1.5px solid var(--line);
    background:var(--bg);padding:0 100px 0 44px;color:var(--ink);outline:none;
    transition:border-color var(--ease),box-shadow var(--ease),background-color var(--ease);
  }
  .search input::placeholder{color:#9A94B4}
  .search input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(255,90,60,.18)}
  .search-btn{
    position:absolute;right:6px;height:34px;padding:0 16px;border:0;border-radius:999px;
    background:var(--brand);color:#fff;font-weight:700;font-size:13px;cursor:pointer;
    transition:background-color var(--ease),transform var(--ease);
  }
  .search-btn:hover{background:var(--brand-ink)}
  .search-btn:active{transform:scale(.97)}
  .header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
  .link-plain{font-size:14px;font-weight:600;color:var(--ink-2);transition:color var(--ease)}
  .link-plain:hover{color:var(--brand)}
  .icon-btn{
    display:none;width:40px;height:40px;border-radius:12px;border:1.5px solid var(--line);
    background:#fff;color:var(--ink);place-items:center;cursor:pointer;
    transition:border-color var(--ease),background-color var(--ease),color var(--ease);
  }
  .icon-btn:hover{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}
  .icon-btn svg{width:18px;height:18px}
  .header-nav{background:#fff}
  .chips{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scrollbar-width:none}
  .chips::-webkit-scrollbar{display:none}
  .chips a{
    flex:0 0 auto;padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;
    color:var(--ink-2);transition:background-color var(--ease),color var(--ease);
  }
  .chips a:hover{background:var(--bg-soft);color:var(--accent)}
  .chips a.active{background:var(--brand-soft);color:var(--brand)}

  /* ============ 抽屉 ============ */
  .mask{
    position:fixed;inset:0;background:rgba(20,16,42,.52);opacity:0;pointer-events:none;
    transition:opacity 220ms ease-out;z-index:80;
  }
  .mask.is-open{opacity:1;pointer-events:auto}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);background:#fff;z-index:90;
    transform:translateX(100%);transition:transform 220ms ease-out;
    display:flex;flex-direction:column;gap:18px;padding:20px;overflow-y:auto;
    box-shadow:-20px 0 50px -30px rgba(0,0,0,.45);
  }
  .drawer.is-open{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between}
  .drawer-list{list-style:none;margin:0;padding:0;display:grid;gap:6px}
  .drawer-list a{
    display:block;padding:12px 14px;border-radius:12px;font-weight:600;font-size:15px;
    color:var(--ink);background:var(--bg-soft);transition:background-color var(--ease),color var(--ease);
  }
  .drawer-list a:hover{background:var(--brand-soft);color:var(--brand)}
  .drawer-list a.active{background:var(--brand-soft);color:var(--brand)}

  /* ============ 面包屑 ============ */
  .crumbs-wrap{padding-top:20px}
  .crumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13.5px;color:var(--ink-2)}
  .crumbs a{color:var(--ink-2);transition:color var(--ease)}
  .crumbs a:hover{color:var(--brand)}
  .crumbs .sep{color:#C9C2DF}
  .crumbs .current{color:var(--ink);font-weight:600}

  /* ============ 分类 Hero ============ */
  .cat-hero{position:relative;background:var(--dark);color:#fff;overflow:hidden;margin-top:16px}
  .cat-hero::before{
    content:"";position:absolute;inset:0;
    background-image:url("/assets/images/backpic/back-1.webp");
    background-size:cover;background-position:center;opacity:.26;
  }
  .cat-hero::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(20,16,42,.95) 0%,rgba(20,16,42,.86) 46%,rgba(20,16,42,.6) 100%);
  }
  .cat-hero-inner{
    position:relative;z-index:2;display:grid;
    grid-template-columns:minmax(0,1.55fr) minmax(0,.9fr);
    gap:48px;align-items:center;padding-top:60px;padding-bottom:68px;
  }
  .badge{
    display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
    background:rgba(124,77,255,.24);color:#D8CBFF;font-size:13px;font-weight:600;margin-bottom:18px;
  }
  .cat-hero h1{color:#fff;font-size:clamp(27px,3.4vw,40px);line-height:1.24}
  .cat-hero-lead{color:rgba(255,255,255,.74);font-size:17px;line-height:1.8;margin-top:16px;max-width:640px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
  .count-card{background:#fff;color:var(--ink);border-radius:var(--radius-lg);padding:26px;box-shadow:0 26px 60px -32px rgba(0,0,0,.6)}
  .count-num{font-size:54px;font-weight:800;line-height:1;color:var(--brand);font-variant-numeric:tabular-nums}
  .count-label{font-size:14px;font-weight:600;color:var(--ink-2);margin-top:6px}
  .count-card ul{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:10px}
  .count-card li{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    font-size:13.5px;color:var(--ink-2);border-top:1px dashed var(--line);padding-top:10px;
  }
  .count-card li strong{color:var(--ink);font-weight:700}

  /* ============ 通用板块 ============ */
  .section{padding:72px 0}
  .section-soft{background:var(--bg-soft)}
  .section-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
  .section-head h2{font-size:clamp(22px,2.4vw,28px)}
  .section-head p{color:var(--ink-2);font-size:15px;line-height:1.8;margin-top:10px;max-width:660px}
  .text-link{
    display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;
    color:var(--accent);white-space:nowrap;transition:color var(--ease),gap var(--ease);
  }
  .text-link:hover{color:var(--brand);gap:10px}

  /* ============ 流程条 ============ */
  .flow{
    list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
    border-top:1px solid var(--line);
  }
  .flow li{padding:28px 28px 6px 0}
  .flow li+li{border-left:2px dashed var(--line);padding-left:28px}
  .flow-num{display:block;font-size:28px;font-weight:800;color:var(--brand);line-height:1;font-variant-numeric:tabular-nums}
  .flow h3{font-size:17px;font-weight:700;margin-top:14px}
  .flow p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--ink-2)}

  /* ============ 双列大卡 ============ */
  .card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  .ecard{
    display:flex;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    overflow:hidden;box-shadow:var(--shadow-1);
    transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  }
  .ecard:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#E3D8F7}
  .ecard-media{
    flex:0 0 196px;position:relative;overflow:hidden;display:block;background:var(--accent-soft);
  }
  .ecard-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease-out}
  .ecard:hover .ecard-media img{transform:scale(1.05)}
  .ecard-body{padding:22px;display:flex;flex-direction:column;gap:10px;min-width:0}
  .tag{
    display:inline-flex;align-items:center;align-self:flex-start;height:26px;padding:0 12px;
    border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:12.5px;font-weight:700;
  }
  .ecard-body h3{font-size:18px;font-weight:700;line-height:1.4}
  .ecard-body > p{font-size:14px;line-height:1.75;color:var(--ink-2)}
  .ecard-points{list-style:none;margin:2px 0 0;padding:0;display:grid;gap:6px}
  .ecard-points li{position:relative;padding-left:16px;font-size:13.5px;line-height:1.7;color:var(--ink-2)}
  .ecard-points li::before{
    content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--brand);
  }
  .ecard .text-link{margin-top:auto;padding-top:6px}

  .load-wrap{display:flex;justify-content:center;margin-top:36px}

  /* ============ FAQ ============ */
  .faq{max-width:880px;margin:0 auto;display:grid;gap:12px}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
    transition:box-shadow var(--ease),background-color var(--ease),border-color var(--ease);
  }
  .faq-item:hover{box-shadow:var(--shadow-1)}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
    gap:16px;padding:18px 20px;font-size:16px;font-weight:700;color:var(--ink);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-icon{
    flex:0 0 auto;width:26px;height:26px;border-radius:999px;display:grid;place-items:center;
    background:var(--bg-soft);color:var(--accent);font-size:16px;font-weight:700;line-height:1;
    transition:transform var(--ease),background-color var(--ease),color var(--ease);
  }
  .faq-item[open]{border-left:4px solid var(--brand);background:#FFFBF9}
  .faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--brand-soft);color:var(--brand)}
  .faq-a{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-2)}

  /* ============ CTA 条 ============ */
  .cta-band{background:var(--dark);color:#fff}
  .cta-inner{
    display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);
    gap:40px;align-items:center;padding:56px 0;
  }
  .cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px)}
  .cta-inner > div > p{color:rgba(255,255,255,.72);font-size:16px;margin-top:14px;max-width:560px}
  .cta-points{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:10px}
  .cta-points li{position:relative;padding-left:22px;font-size:14.5px;color:rgba(255,255,255,.82)}
  .cta-points li::before{
    content:"";position:absolute;left:0;top:8px;width:10px;height:10px;border-radius:3px;background:var(--mint);
  }
  .cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch}

  /* ============ 页脚 ============ */
  .footer{background:var(--dark-2);color:rgba(255,255,255,.72);padding:56px 0 0}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px}
  .footer .logo-text{color:#fff}
  .footer .logo-text em{color:var(--brand)}
  .footer-desc{font-size:14px;line-height:1.85;margin-top:16px;max-width:330px;color:rgba(255,255,255,.62)}
  .footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
  .footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;font-size:14px}
  .footer a{color:rgba(255,255,255,.72);transition:color var(--ease)}
  .footer a:hover{color:var(--brand)}
  .footer-bottom{
    margin-top:44px;border-top:1px solid rgba(255,255,255,.12);padding:18px 0;
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.52);
  }

  /* ============ 响应式 ============ */
  @media (max-width:1024px){
    .cat-hero-inner{grid-template-columns:minmax(0,1fr);gap:32px;padding-top:48px;padding-bottom:52px}
    .count-card{max-width:520px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  }
  @media (max-width:900px){
    .card-grid{grid-template-columns:minmax(0,1fr)}
    .flow{grid-template-columns:minmax(0,1fr);border-top:0}
    .flow li{padding:0 0 22px 0;border-left:2px dashed var(--line);padding-left:20px}
    .flow li+li{border-left:2px dashed var(--line);padding-left:20px}
    .cta-inner{grid-template-columns:minmax(0,1fr);gap:26px;padding:48px 0}
  }
  @media (max-width:767px){
    .header-inner{height:60px;gap:10px}
    .header-actions{display:none}
    .icon-btn{display:inline-grid}
    .search{
      position:absolute;left:0;right:0;top:60px;max-width:none;margin:0;
      padding:10px 16px;background:#fff;border-bottom:1px solid var(--line);display:none;z-index:70;
    }
    .site-header.search-open .search{display:flex}
    .site-header.search-open .header-top{border-bottom-color:var(--line)}
    .chips{height:44px}
    .section{padding:48px 0}
    .section-head{flex-direction:column;align-items:flex-start;gap:12px}
    .ecard{flex-direction:column}
    .ecard-media{flex:0 0 auto;height:200px;width:100%}
    .cat-hero{margin-top:12px}
    .crumbs-wrap{padding-top:16px}
    .cta-actions{flex-direction:row;flex-wrap:wrap}
    .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  }
  @media (max-width:520px){
    .container{padding:0 16px}
    body{font-size:15px;line-height:1.8}
    .cat-hero h1{font-size:26px}
    .cat-hero-lead{font-size:15.5px}
    .hero-actions .btn{width:100%}
    .count-num{font-size:44px}
    .cta-actions .btn{width:100%}
    .ecard-media{height:180px}
  }

/* roulang page: category3 */
:root{
  --bg:#FFF7F2;
  --bg-soft:#F6F0FF;
  --dark:#14102A;
  --dark-2:#0F0B20;
  --ink:#171130;
  --ink-2:#5C5677;
  --line:#EBE3F6;
  --brand:#FF5A3C;
  --brand-ink:#E2431F;
  --brand-soft:#FFE7DF;
  --accent:#7C4DFF;
  --accent-soft:#EDE6FF;
  --mint:#0FBFA6;
  --r-card:16px;
  --r-btn:12px;
  --r-img:14px;
  --r-lg:20px;
  --shadow-1:0 1px 2px rgba(23,17,48,.06), 0 8px 24px -12px rgba(23,17,48,.18);
  --shadow-2:0 2px 0 #EFE7FA, 0 18px 40px -22px rgba(124,77,255,.35);
  --wrap:1200px;
  --font-sans:"Inter","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font-sans);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color 180ms ease-out,background 180ms ease-out,border-color 180ms ease-out}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.skip{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 16px;border-radius:8px;z-index:99}
.skip:focus{left:16px;top:16px}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
.section{padding:72px 0}
.section-soft{background:var(--bg-soft)}
.section-head{margin-bottom:28px}
.section-title{font-size:28px;font-weight:800}
.section-sub{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:720px}
.num{font-variant-numeric:tabular-nums}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-weight:700;font-size:15px;cursor:pointer;border:1.5px solid transparent;
  transition:all 180ms ease-out;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px -12px rgba(255,90,60,.7)}
.btn-primary:hover{background:var(--brand-ink);transform:translateY(-2px);box-shadow:0 14px 26px -14px rgba(226,67,31,.75)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--accent);background:var(--accent-soft);color:var(--ink)}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-block{width:100%}

/* ============ 导航 ============ */
.site-header{background:rgba(255,247,242,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60}
.nav-top{display:flex;align-items:center;gap:20px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:32px;height:32px;border-radius:9px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:12px;font-weight:800;letter-spacing:.04em;
  box-shadow:0 6px 14px -8px rgba(255,90,60,.9);
}
.logo-text{font-weight:700;font-size:16px;letter-spacing:-.01em}
.logo-text em{font-style:normal;color:var(--brand)}
.search-wrap{
  flex:1;max-width:560px;margin:0 auto;position:relative;
  display:flex;align-items:center;gap:8px;height:46px;
  background:#fff;border:1.5px solid var(--line);border-radius:999px;padding:0 6px 0 16px;
  transition:border-color 180ms ease-out,box-shadow 180ms ease-out;
}
.search-wrap:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,90,60,.18)}
.search-icon{width:18px;height:18px;flex-shrink:0;color:var(--ink-2)}
.search-input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px}
.search-input::placeholder{color:#9C95B4}
.search-btn{
  height:34px;padding:0 16px;border:0;border-radius:999px;background:var(--ink);color:#fff;
  font-size:13px;font-weight:700;cursor:pointer;transition:all 180ms ease-out;
}
.search-btn:hover{background:var(--accent)}
.nav-actions{display:flex;align-items:center;gap:16px;flex-shrink:0}
.login-link{font-size:14px;font-weight:600;color:var(--ink-2)}
.login-link:hover{color:var(--brand-ink)}
.icon-btn{
  display:none;width:40px;height:40px;border-radius:10px;border:1.5px solid var(--line);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.icon-btn:hover{border-color:var(--accent);background:var(--accent-soft)}
.nav-cats{
  display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;
  border-top:1px solid var(--line);scrollbar-width:none;
}
.nav-cats::-webkit-scrollbar{display:none}
.nav-cats a{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--ink-2);white-space:nowrap;
}
.nav-cats a:hover{background:var(--accent-soft);color:var(--ink)}
.nav-cats a.active{background:var(--brand-soft);color:var(--brand-ink)}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,11,32,.5);opacity:0;visibility:hidden;
  transition:opacity 180ms ease-out,visibility 180ms ease-out;z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(88vw,360px);background:var(--bg);
  transform:translateX(105%);transition:transform 220ms ease-out;z-index:90;
  display:flex;flex-direction:column;padding:18px;overflow-y:auto;
  box-shadow:-24px 0 60px -30px rgba(15,11,32,.6);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1.5px solid var(--line);background:#fff;cursor:pointer}
.drawer-close:hover{border-color:var(--accent);background:var(--accent-soft)}
.drawer-links{display:grid;gap:6px;margin:18px 0}
.drawer-links a{padding:12px 14px;border-radius:12px;font-weight:600;font-size:15px;color:var(--ink-2);border:1px solid transparent}
.drawer-links a:hover{background:#fff;border-color:var(--line);color:var(--ink)}
.drawer-links a.active{background:var(--brand-soft);color:var(--brand-ink)}
.mobile-search-bar{
  display:none;padding:0 0 14px;
}
.mobile-search-bar.open{display:block}
.mobile-search-bar .search-wrap{max-width:100%;margin:0}

/* ============ 面包屑 ============ */
.breadcrumb{padding:24px 0 0;font-size:13px;color:var(--ink-2);display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.breadcrumb a:hover{color:var(--brand-ink)}
.breadcrumb .sep{color:#BDB6D0}

/* ============ 分类 Hero ============ */
.cat-hero{padding:36px 0 64px}
.cat-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent);font-size:13px;font-weight:700;
}
.cat-hero h1{font-size:40px;margin:18px 0 16px}
.cat-hero .lead{font-size:18px;color:var(--ink-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-points li{
  font-size:13px;font-weight:600;color:var(--ink-2);background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:7px 14px;
}
.hero-figure{position:relative}
.hero-figure img{
  position:relative;z-index:1;width:100%;height:360px;object-fit:cover;
  border-radius:var(--r-lg);box-shadow:var(--shadow-1);
}
.hero-figure::after{
  content:"";position:absolute;top:16px;left:16px;right:-16px;bottom:-16px;
  border:8px solid var(--brand);border-radius:var(--r-lg);z-index:0;
}

/* ============ 现象速查 ============ */
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:28px}
.quick-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px 20px;
  box-shadow:var(--shadow-1);transition:all 180ms ease-out;
}
.quick-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.quick-card .qc-idx{font-size:13px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.quick-card h3{font-size:16px;margin:10px 0 8px}
.quick-card p{font-size:14px;color:var(--ink-2);line-height:1.75}

/* ============ 交错图文 ============ */
.alt-list{margin-top:8px}
.alt-item{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:48px 0;border-top:1px solid var(--line);
}
.alt-item.reverse .alt-media{order:-1}
.alt-num{
  font-size:28px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;
  display:inline-block;
}
.alt-body h3{font-size:22px;margin:14px 0 12px}
.alt-body .desc{color:var(--ink-2);font-size:15px}
.alt-body ul{margin-top:18px;display:grid;gap:10px}
.alt-body ul li{position:relative;padding-left:18px;font-size:15px;color:var(--ink)}
.alt-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand);
}
.alt-media img{width:100%;height:300px;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--shadow-1)}
.alt-media .caption{margin-top:12px;font-size:13px;color:var(--ink-2);text-align:center}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.tag{
  font-size:13px;font-weight:600;color:var(--accent);background:var(--accent-soft);
  border-radius:999px;padding:6px 13px;
}
.tag.mint{color:#0A7F70;background:#E2F8F4}
.tag.warm{color:var(--brand-ink);background:var(--brand-soft)}

/* ============ 提示框 ============ */
.note-box{
  border-left:4px solid var(--brand);background:var(--bg-soft);
  border-radius:12px;padding:22px 24px;max-width:880px;margin:0 auto;
}
.note-box h3{font-size:17px;margin-bottom:8px}
.note-box p{font-size:15px;color:var(--ink-2)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:880px;margin:28px auto 0}
details.faq{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 22px;
  transition:all 180ms ease-out;
}
details.faq:hover{border-color:#DCD2F0}
details.faq summary{
  list-style:none;cursor:pointer;padding:20px 0;font-weight:700;font-size:16px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{
  content:"+";font-size:20px;font-weight:700;color:var(--accent);line-height:1;flex-shrink:0;
  transition:transform 180ms ease-out;
}
details.faq[open]{border-left:4px solid var(--brand);background:#FFF9F7}
details.faq[open] summary::after{content:"−";transform:rotate(180deg);color:var(--brand)}
.faq-body{padding:0 0 22px;font-size:15px;color:var(--ink-2);max-width:760px}

/* ============ 窄 CTA 条 ============ */
.cta-band{background:var(--dark);border-radius:var(--r-lg);padding:32px 36px;margin:0 auto}
.cta-band-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:22px}
.cta-band p{color:rgba(255,255,255,.66);font-size:14px;margin-top:8px}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.3);color:#fff}
.cta-band .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.12)}
.cta-band-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.footer{background:var(--dark-2);color:#CFC8E4;padding:64px 0 0;margin-top:72px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer .logo{margin-bottom:16px}
.footer .logo-text{color:#fff}
.footer h4{color:#fff;font-size:16px;margin-bottom:16px;font-weight:700}
.footer ul{display:grid;gap:10px;font-size:14px}
.footer li{color:rgba(207,200,228,.78);line-height:1.7;word-break:break-word}
.footer a:hover{color:var(--brand)}
.footer-desc{font-size:14px;color:rgba(207,200,228,.75);max-width:330px;line-height:1.8}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);margin-top:48px;padding:22px 0;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(207,200,228,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .cat-hero-grid{gap:36px}
  .cat-hero h1{font-size:34px}
  .quick-grid{grid-template-columns:repeat(2,1fr)}
  .alt-item{gap:36px;padding:40px 0}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .search-wrap{display:none}
  .nav-actions{margin-left:auto;gap:10px}
  .icon-btn{display:inline-flex}
  .login-link{display:none}
  .nav-top{height:60px}
  .nav-cats{height:44px}
  .cat-hero{padding:24px 0 48px}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px}
  .cat-hero h1{font-size:28px}
  .cat-hero .lead{font-size:16px}
  .hero-figure img{height:220px}
  .hero-figure::after{top:10px;left:10px;right:-10px;bottom:-10px;border-width:6px}
  .section{padding:48px 0}
  .section-title{font-size:23px}
  .alt-item{grid-template-columns:1fr;gap:24px}
  .alt-item.reverse .alt-media{order:0}
  .alt-media img{height:220px}
  .alt-body h3{font-size:19px}
  .cta-band{padding:26px 22px}
  .footer{padding-top:48px;margin-top:48px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  body{font-size:15px;line-height:1.8}
  .quick-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
  .cta-band-actions{width:100%}
  .cta-band-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --bg:#FFF7F2; --bg-soft:#F6F0FF; --dark:#14102A; --dark-2:#0F0B20;
  --ink:#171130; --ink-2:#5C5677; --line:#EBE3F6;
  --brand:#FF5A3C; --brand-ink:#E2431F; --brand-soft:#FFE7DF;
  --accent:#7C4DFF; --accent-soft:#EDE6FF; --mint:#0FBFA6;
  --radius-card:16px; --radius-btn:12px; --radius-img:14px; --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(23,17,48,.06), 0 8px 24px -12px rgba(23,17,48,.18);
  --shadow-hover:0 2px 0 #EFE7FA, 0 18px 40px -22px rgba(124,77,255,.35);
  --font-sans:"Inter","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font-sans);font-size:16px;line-height:1.85;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.01em;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:72px 0}
.section-soft{background:var(--bg-soft)}
.section-line{border-top:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  letter-spacing:.04em;color:var(--brand-ink);background:var(--brand-soft);
  border-radius:999px;padding:5px 14px;
}
.h2{font-size:30px}
.lead{color:var(--ink-2);font-size:16px}
.muted{color:var(--ink-2)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-weight:700;font-size:15px;border:1.5px solid transparent;cursor:pointer;
  transition:transform 180ms ease-out,background-color 180ms ease-out,border-color 180ms ease-out,box-shadow 180ms ease-out,color 180ms ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-ink);transform:translateY(-2px);box-shadow:0 14px 28px -14px rgba(255,90,60,.7)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}
.btn-light{background:transparent;border-color:rgba(255,255,255,.3);color:#fff}
.btn-light:hover{border-color:#fff;background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:4px 12px;font-size:12px;font-weight:700;line-height:1.6}
.badge-accent{background:var(--accent-soft);color:var(--accent)}
.badge-brand{background:var(--brand-soft);color:var(--brand-ink)}
.badge-mint{background:rgba(15,191,166,.12);color:#0A8E7C}
.tag{font-size:12.5px;color:var(--ink-2);background:#F8F5FF;border:1px solid var(--line);border-radius:999px;padding:3px 11px}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line)}
.header-top{display:flex;align-items:center;gap:20px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--brand);color:#fff;
  font-weight:800;font-size:14px;display:grid;place-items:center;letter-spacing:.02em;
}
.logo-text{font-weight:700;font-size:17px;color:var(--ink);letter-spacing:-.01em}
.logo-text em{font-style:normal;color:var(--brand)}
.search{flex:1;max-width:560px;margin:0 auto}
.search-box{
  display:flex;align-items:center;gap:8px;background:#fff;border:1.5px solid var(--line);
  border-radius:999px;padding:6px 6px 6px 16px;transition:border-color 180ms ease-out,box-shadow 180ms ease-out;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,90,60,.18)}
.search-box .ico{width:18px;height:18px;flex:none;color:var(--ink-2)}
.search-box input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px}
.search-box input::placeholder{color:#9A94B0}
.search-btn{
  flex:none;height:34px;padding:0 16px;border:0;border-radius:999px;background:var(--brand);
  color:#fff;font-size:13px;font-weight:700;cursor:pointer;transition:background-color 180ms ease-out;
}
.search-btn:hover{background:var(--brand-ink)}
.header-actions{display:flex;align-items:center;gap:16px;flex:none}
.login-link{font-size:14px;font-weight:600;color:var(--ink-2);transition:color 180ms ease-out}
.login-link:hover{color:var(--brand)}
.cat-nav{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scrollbar-width:none}
.cat-nav::-webkit-scrollbar{display:none}
.cat-nav a{
  flex:none;padding:6px 14px;border-radius:999px;font-size:14px;color:var(--ink-2);
  transition:background-color 180ms ease-out,color 180ms ease-out;
}
.cat-nav a:hover{background:var(--accent-soft);color:var(--accent)}
.cat-nav a.active{background:var(--brand-soft);color:var(--brand);font-weight:700}
.mobile-tools{display:none;align-items:center;gap:6px;margin-left:auto}
.icon-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;cursor:pointer;transition:border-color 180ms ease-out,background-color 180ms ease-out;
}
.icon-btn:hover{border-color:var(--accent);background:var(--accent-soft)}
.mobile-search{display:none;padding:12px 0 14px;border-top:1px solid var(--line)}
.mobile-search.open{display:block}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;display:none}
.drawer.open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(20,16,42,.52)}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(88vw,360px);background:#fff;
  padding:20px;overflow-y:auto;transform:translateX(100%);transition:transform 180ms ease-out;
}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-list{display:flex;flex-direction:column;gap:6px;margin:18px 0}
.drawer-list a{padding:12px 14px;border-radius:12px;font-size:15px;color:var(--ink);border:1px solid var(--line)}
.drawer-list a.active{background:var(--brand-soft);color:var(--brand);border-color:transparent;font-weight:700}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-2);padding:20px 0 0}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C3BBD8}

/* ---------- 分类 Hero ---------- */
.cat-hero{background:var(--bg-soft);border-bottom:1px solid var(--line);padding:40px 0 56px}
.cat-hero-inner{max-width:860px;margin:0 auto;text-align:center}
.cat-hero h1{font-size:40px;margin:16px 0 18px}
.cat-hero h1 span{color:var(--brand)}
.cat-hero .lead{font-size:17px;max-width:720px;margin:0 auto}
.hero-notes{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:22px}
.filter-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:30px}
.chip{
  border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:8px 18px;
  font-size:14px;color:var(--ink-2);cursor:pointer;
  transition:background-color 180ms ease-out,color 180ms ease-out,border-color 180ms ease-out,transform 180ms ease-out;
}
.chip:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.chip.active{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:700}

/* ---------- 行式列表 ---------- */
.list-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.row-list{display:flex;flex-direction:column;gap:18px}
.step-row{
  display:grid;grid-template-columns:220px 1fr 132px;gap:24px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px;box-shadow:var(--shadow-sm);
  transition:transform 180ms ease-out,box-shadow 180ms ease-out,border-color 180ms ease-out;
}
.step-row:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#E4DAF7}
.row-thumb{position:relative;border-radius:var(--radius-img);overflow:hidden;aspect-ratio:16/10;background:var(--accent-soft)}
.row-thumb img{width:100%;height:100%;object-fit:cover}
.row-index{
  position:absolute;left:10px;top:10px;background:rgba(20,16,42,.9);color:#fff;
  font-size:12px;font-weight:700;border-radius:999px;padding:3px 10px;letter-spacing:.04em;
}
.row-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-2);margin-bottom:8px}
.row-body h3{font-size:19px;margin-bottom:8px}
.row-body h3 a:hover{color:var(--brand)}
.row-body p{font-size:14.5px;color:var(--ink-2);line-height:1.75}
.row-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.row-action{display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.row-action .go{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-2)}
.row-action .go:hover{color:var(--accent)}

/* ---------- 分页 ---------- */
.pagination{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin-top:36px}
.page-link{
  min-width:42px;height:42px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;
  border:1.5px solid var(--line);border-radius:var(--radius-btn);background:#fff;
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:border-color 180ms ease-out,color 180ms ease-out,background-color 180ms ease-out,transform 180ms ease-out;
}
.page-link:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.page-link.current{background:var(--brand);border-color:var(--brand);color:#fff}
.page-link.disabled{opacity:.5;pointer-events:none}
.page-note{text-align:center;font-size:13px;color:var(--ink-2);margin-top:14px}

/* ---------- 图文自查 ---------- */
.split{display:grid;grid-template-columns:5fr 6fr;gap:44px;align-items:center}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.split-media::after{
  content:"";position:absolute;inset:auto -8px -8px auto;width:56%;height:56%;
  border:8px solid var(--brand);border-radius:var(--radius-lg);z-index:-1;
}
.check-list{display:flex;flex-direction:column;gap:18px;margin-top:26px}
.check-list li{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:18px 20px;box-shadow:var(--shadow-sm);transition:transform 180ms ease-out,box-shadow 180ms ease-out}
.check-list li:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.check-num{font-size:20px;font-weight:800;color:var(--brand);flex:none;width:38px}
.check-list h3{font-size:16.5px;margin-bottom:4px}
.check-list p{font-size:14px;color:var(--ink-2);line-height:1.7}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;
  box-shadow:var(--shadow-sm);transition:transform 180ms ease-out,box-shadow 180ms ease-out,border-color 180ms ease-out;
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#E4DAF7}
.scene-card .mark{
  width:44px;height:44px;border-radius:12px;background:var(--accent-soft);color:var(--accent);
  display:grid;place-items:center;font-weight:800;margin-bottom:16px;
}
.scene-card h3{font-size:18px;margin-bottom:8px}
.scene-card p{font-size:14.5px;color:var(--ink-2);line-height:1.78}
.scene-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.scene-card ul li{position:relative;padding-left:16px;font-size:14px;color:var(--ink-2)}
.scene-card ul li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;background:var(--brand);border-radius:2px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-list{display:flex;flex-direction:column;gap:12px;margin-top:28px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:box-shadow 180ms ease-out,border-color 180ms ease-out}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16.5px;font-weight:700;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .sign{
  flex:none;width:26px;height:26px;border-radius:8px;background:var(--bg-soft);color:var(--ink);
  display:grid;place-items:center;font-size:16px;transition:transform 180ms ease-out,background-color 180ms ease-out,color 180ms ease-out;
}
.faq-item[open]{border-left:4px solid var(--brand);background:#fffaf8;box-shadow:var(--shadow-sm)}
.faq-item[open] summary .sign{background:var(--brand);color:#fff;transform:rotate(180deg)}
.faq-item .faq-body{padding:0 22px 20px;font-size:15px;color:var(--ink-2);line-height:1.85}

/* ---------- CTA ---------- */
.cta{background:var(--dark);color:#fff;padding:60px 0}
.cta-grid{display:grid;grid-template-columns:7fr 5fr;gap:36px;align-items:center}
.cta h2{color:#fff;font-size:30px;margin-bottom:12px}
.cta p{color:rgba(255,255,255,.72);font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.cta-points{display:flex;flex-wrap:wrap;gap:18px;margin-top:22px}
.cta-points span{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72)}
.cta-points span::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--mint)}

/* ---------- 页脚 ---------- */
.footer{background:var(--dark-2);color:rgba(255,255,255,.72);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.footer .logo-text{color:#fff}
.footer .logo-mark{background:var(--brand)}
.footer-desc{font-size:14px;line-height:1.8;margin-top:16px;max-width:320px}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer ul{display:flex;flex-direction:column;gap:10px}
.footer ul li{font-size:14px}
.footer a{transition:color 180ms ease-out}
.footer a:hover{color:var(--brand)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .step-row{grid-template-columns:180px 1fr;gap:20px}
  .row-action{grid-column:2;flex-direction:row;align-items:center;justify-content:flex-start}
  .split{gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:900px){
  .search,.login-link{display:none}
  .mobile-tools{display:flex}
  .cat-nav{display:none}
  .header-top{height:64px}
  .header-actions{display:none}
}
@media (max-width:768px){
  body{font-size:15px;line-height:1.8}
  .section{padding:48px 0}
  .container{padding:0 16px}
  .cat-hero{padding:28px 0 44px}
  .cat-hero h1{font-size:28px}
  .cat-hero .lead{font-size:15.5px}
  .h2{font-size:24px}
  .step-row{grid-template-columns:1fr;padding:16px}
  .row-thumb{aspect-ratio:16/9}
  .row-action{grid-column:1;justify-content:flex-start}
  .split{grid-template-columns:1fr}
  .split-media::after{display:none}
  .scene-grid{grid-template-columns:1fr}
  .cta{padding:48px 0}
  .cta-grid{grid-template-columns:1fr;gap:24px}
  .cta h2{font-size:24px}
  .cta-actions{justify-content:flex-start}
  .footer{padding-top:48px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .cat-hero h1{font-size:25px}
  .btn{width:100%}
  .btn-sm{width:auto}
  .row-action .btn{width:auto}
  .faq-item summary{font-size:15.5px;padding:16px 18px}
  .faq-item .faq-body{padding:0 18px 18px;font-size:14.5px}
  .footer-bottom{flex-direction:column}
}