/* roulang page: index */
:root{
  --brand:#FF6A2B;
  --brand-deep:#E4531A;
  --pine:#1E6E5C;
  --amber:#FFC24D;
  --bg:#FFF9F4;
  --bg-alt:#F4EFE9;
  --dark:#13211D;
  --dark-2:#1E3A32;
  --card:#FFFFFF;
  --text:#1A1A1A;
  --muted:#5B615E;
  --weak:#8C918E;
  --line:#ECE3DA;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --shadow:0 10px 30px -12px rgba(255,106,43,.18), 0 2px 8px rgba(19,33,29,.05);
  --shadow-hover:0 18px 42px -14px rgba(255,106,43,.28), 0 4px 12px rgba(19,33,29,.08);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:28px;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-deep);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
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:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--bg-alt);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:#FFF1E7;border:1px solid #FFDCC6;
  color:var(--brand-deep);font-size:13px;line-height:20px;font-weight:600;
}
.h1{font-size:40px;line-height:52px;font-weight:800;letter-spacing:-.01em;}
.h2{font-size:30px;line-height:40px;font-weight:700;letter-spacing:-.01em;}
.h3{font-size:22px;line-height:32px;font-weight:600;}
.h4{font-size:18px;line-height:28px;font-weight:600;}
.lead{color:var(--muted);font-size:17px;line-height:30px;}
.muted{color:var(--muted);}
.weak{color:var(--weak);font-size:14px;line-height:24px;}
.gradient-text{
  background:linear-gradient(120deg,#FF7A33,#FFB347 55%,#FFC24D);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:12px 0;}
.nav-card{
  display:flex;align-items:center;gap:18px;
  background:rgba(255,249,244,.88);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow);
  padding:10px 18px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(120deg,#FF7A33,#FFB347 60%,#FFC24D);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;font-weight:700;
  box-shadow:0 8px 18px -8px rgba(255,106,43,.7);
}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.nav-links{display:none;align-items:center;gap:8px;margin-left:auto;}
.nav-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:12px;border:1px solid transparent;
  font-size:14px;line-height:20px;color:var(--muted);
  transition:all .22s var(--ease);
}
.nav-link i{font-size:13px;color:var(--weak);transition:color .22s var(--ease);}
.nav-link:hover{background:#FFF1E7;border-color:var(--amber);color:var(--brand-deep);}
.nav-link:hover i{color:var(--brand-deep);}
.nav-link.active{
  background:linear-gradient(120deg,#FF7A33,#FFB347 60%,#FFC24D);
  color:#fff;border-color:transparent;
  box-shadow:0 8px 18px -10px rgba(255,106,43,.8);
}
.nav-link.active i{color:#fff;}
.nav-actions{display:none;align-items:center;gap:10px;margin-left:6px;}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--text);
  display:inline-flex;align-items:center;justify-content:center;
  transition:all .22s var(--ease);
}
.nav-toggle:hover{border-color:var(--amber);color:var(--brand-deep);background:#FFF1E7;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;
  background:var(--bg);border-left:1px solid var(--line);
  border-radius:24px 0 0 24px;box-shadow:-20px 0 50px -20px rgba(19,33,29,.35);
  transform:translateX(102%);transition:transform .3s var(--ease);
  z-index:80;padding:22px;display:flex;flex-direction:column;gap:16px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(19,33,29,.42);
  opacity:0;pointer-events:none;transition:opacity .3s var(--ease);z-index:70;
}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.drawer-item{
  display:flex;flex-direction:column;gap:8px;
  padding:14px;border-radius:14px;background:#fff;border:1px solid var(--line);
  font-size:14px;transition:all .22s var(--ease);
}
.drawer-item:hover{border-color:var(--amber);background:#FFF1E7;color:var(--brand-deep);}
.drawer-item i{color:var(--brand);}
.drawer-item.active{background:linear-gradient(120deg,#FF7A33,#FFC24D);color:#fff;border-color:transparent;}
.drawer-item.active i{color:#fff;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:all .24s var(--ease);
}
.btn-primary{
  background:linear-gradient(120deg,#FF7A33,#FFB347 55%,#FFC24D);
  color:#fff;
  box-shadow:0 12px 26px -12px rgba(255,106,43,.75);
}
.btn-primary:hover{transform:translateY(-2px);color:#fff;filter:saturate(1.06) brightness(.97);box-shadow:0 18px 34px -14px rgba(255,106,43,.85);}
.btn-primary:active{transform:translateY(0) scale(.99);}
.btn-ghost{
  background:#fff;border:1px solid var(--line);color:var(--text);
  box-shadow:0 2px 8px rgba(19,33,29,.04);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0) scale(.99);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand-deep);
}
.link-arrow i{transition:transform .24s var(--ease);}
.link-arrow:hover i{transform:translateX(4px);}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none;}

/* ---------- 徽章 ---------- */
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:#EAF4F0;color:var(--pine);
  font-size:12px;line-height:20px;font-weight:600;
}
.badge-cat.warm{background:#FFF1E7;color:var(--brand-deep);}
.stat-badge{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:18px 20px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:4px;
}
.stat-num{font-size:24px;line-height:32px;font-weight:800;letter-spacing:-.02em;color:var(--brand-deep);}
.stat-label{font-size:13px;line-height:20px;color:var(--muted);}

/* ---------- 卡片 ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);overflow:hidden;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#FFD9C2;}
.card:hover .card-title{color:var(--brand-deep);}
.card-media{overflow:hidden;border-radius:20px;background:var(--bg-alt);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;}
.card-title{font-size:20px;line-height:30px;font-weight:600;transition:color .24s var(--ease);}
.card-text{color:var(--muted);font-size:15px;line-height:26px;}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:4px;}
.ratio-75{aspect-ratio:7/5;}
.ratio-43{aspect-ratio:4/3;}
.ratio-169{aspect-ratio:16/9;}

/* ---------- Hero ---------- */
.hero{position:relative;padding:72px 0 80px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;width:520px;height:520px;left:-140px;top:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,43,.12),transparent 68%);pointer-events:none;
}
.hero::after{
  content:"";position:absolute;width:420px;height:420px;right:-120px;bottom:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,194,77,.12),transparent 70%);pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:48px;align-items:center;}
.hero-copy{display:flex;flex-direction:column;gap:24px;max-width:640px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:8px;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;border-radius:var(--r-lg);object-fit:cover;
  box-shadow:0 26px 60px -26px rgba(19,33,29,.42);
}
.float-card{
  position:absolute;left:-18px;bottom:-24px;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-hover);padding:16px 18px;
  display:flex;align-items:center;gap:12px;max-width:270px;
}
.float-icon{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  background:#EAF4F0;color:var(--pine);
  display:flex;align-items:center;justify-content:center;font-size:17px;
}

/* ---------- 通用排版块 ---------- */
.grid-2{display:grid;grid-template-columns:1fr;gap:24px;}
.grid-3{display:grid;grid-template-columns:1fr;gap:24px;}
.split{display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
.bullet-list{display:flex;flex-direction:column;gap:14px;}
.bullet-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:26px;color:var(--muted);}
.bullet-list i{color:var(--brand);margin-top:5px;font-size:13px;}
.bullet-list strong{color:var(--text);font-weight:600;}
.section-head{display:flex;flex-direction:column;gap:12px;max-width:720px;margin-bottom:40px;}

/* ---------- 内容列表 ---------- */
.news-list{display:flex;flex-direction:column;gap:12px;}
.news-row{
  display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:18px 22px;box-shadow:0 2px 10px rgba(19,33,29,.04);
  transition:all .24s var(--ease);
}
.news-row:hover{transform:translateY(-3px);border-color:#FFD9C2;box-shadow:var(--shadow-hover);}
.news-title{
  font-size:17px;line-height:26px;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .24s var(--ease);
}
.news-row:hover .news-title{color:var(--brand-deep);}
.news-sum{
  margin-top:6px;color:var(--muted);font-size:14px;line-height:24px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:10px;justify-content:flex-end;}
.news-meta time{font-size:13px;color:var(--weak);white-space:nowrap;}
.news-arrow{color:var(--brand);font-size:14px;transition:transform .24s var(--ease);}
.news-row:hover .news-arrow{transform:translateX(4px);}
.news-empty{
  border:1px dashed #E0D4C8;border-radius:20px;background:#fff;
  padding:36px 24px;text-align:center;color:var(--weak);font-size:14px;
}

/* ---------- 信任区 ---------- */
.logo-strip{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.logo-item{
  border:1px solid var(--line);border-radius:14px;background:#fff;
  padding:18px;text-align:center;font-size:14px;color:var(--weak);
  filter:grayscale(1);opacity:.85;transition:all .26s var(--ease);
}
.logo-item:hover{filter:grayscale(0);opacity:1;color:var(--brand-deep);border-color:#FFD9C2;transform:translateY(-3px);}

/* ---------- FAQ ---------- */
.faq{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);}
.faq details{border-bottom:1px solid var(--line);position:relative;}
.faq details:last-child{border-bottom:0;}
.faq summary{
  list-style:none;cursor:pointer;
  padding:20px 24px 20px 28px;
  font-size:18px;line-height:28px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:color .22s var(--ease),background .22s var(--ease);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{color:var(--brand-deep);background:#FFFBF7;}
.faq details[open] summary{color:var(--brand-deep);}
.faq details[open]::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;
  background:linear-gradient(180deg,#FF7A33,#FFC24D);
}
.faq-icon{
  width:28px;height:28px;flex-shrink:0;border-radius:999px;
  border:1px solid var(--line);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:13px;
  transition:transform .24s var(--ease),background .24s var(--ease);
}
.faq details[open] .faq-icon{transform:rotate(45deg);background:#FFF1E7;}
.faq-answer{padding:0 24px 22px 28px;color:var(--muted);font-size:15px;line-height:26px;}

/* ---------- CTA 深色面板 ---------- */
.cta-panel{
  background:linear-gradient(150deg,#13211D,#1E3A32);
  border-radius:32px;padding:56px 32px;position:relative;overflow:hidden;
}
.cta-panel::after{
  content:"";position:absolute;width:420px;height:420px;right:-140px;top:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,43,.22),transparent 68%);
}
.cta-inner{position:relative;display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
.cta-title{color:#fff;font-size:28px;line-height:38px;font-weight:700;letter-spacing:-.01em;}
.cta-text{color:rgba(255,255,255,.72);font-size:15px;line-height:26px;margin-top:12px;}
.form-card{background:#fff;border-radius:24px;padding:24px;box-shadow:0 24px 60px -24px rgba(0,0,0,.5);}
.form-row{display:flex;flex-direction:column;gap:10px;}
.form-input{
  height:52px;border-radius:999px;border:1px solid var(--line);
  padding:0 22px;background:#fff;font-size:15px;width:100%;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.form-input::placeholder{color:var(--weak);}
.form-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,106,43,.25);}
.form-hint{font-size:13px;line-height:20px;color:var(--weak);}
.form-msg{font-size:13px;line-height:20px;min-height:20px;}
.form-msg.ok{color:var(--pine);}
.form-msg.err{color:var(--brand-deep);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.7);margin-top:96px;}
.footer-top{display:grid;grid-template-columns:1fr;gap:36px;padding:64px 0 40px;}
.footer-brand{display:flex;flex-direction:column;gap:16px;max-width:340px;}
.footer-logo{display:flex;align-items:center;gap:12px;}
.footer-logo .brand-name{color:#fff;}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:12px;font-size:14px;}
.footer-links a{color:rgba(255,255,255,.68);}
.footer-links a:hover{color:var(--amber);}
.footer-divider{height:1px;background:rgba(255,255,255,.12);}
.footer-bottom{
  display:flex;flex-direction:column;gap:16px;align-items:center;justify-content:space-between;
  padding:24px 0 36px;font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{
  width:44px;height:44px;border-radius:999px;border:1px solid rgba(255,255,255,.24);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
  transition:all .24s var(--ease);
}
.to-top:hover{background:linear-gradient(120deg,#FF7A33,#FFC24D);border-color:transparent;transform:translateY(-3px);color:#fff;}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s var(--ease),transform .3s var(--ease);}
.reveal.in{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* ---------- 响应式 ---------- */
@media (min-width:640px){
  .logo-strip{grid-template-columns:repeat(3,minmax(0,1fr));}
  .grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-bottom{flex-direction:row;}
}
@media (min-width:768px){
  .hero{padding:88px 0 96px;}
  .cta-panel{padding:64px 48px;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .section-head{flex-direction:row;align-items:flex-end;justify-content:space-between;max-width:none;}
  .section-head .head-text{max-width:640px;}
}
@media (min-width:1024px){
  .nav-links{display:flex;}
  .nav-actions{display:flex;}
  .nav-toggle{display:none;}
  .hero-grid{grid-template-columns:7fr 5fr;}
  .split{grid-template-columns:1fr 1fr;}
  .grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
  .news-row{grid-template-columns:8fr 3fr auto;}
  .cta-inner{grid-template-columns:1.1fr .9fr;}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr 1.2fr;}
  .mixed{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
  .col-7{grid-column:span 7;}
  .col-5{grid-column:span 5;}
}
@media (min-width:1280px){
  .container{max-width:1240px;}
  .h1{font-size:46px;line-height:56px;}
}
@media (max-width:1023px){
  .nav-actions{display:none;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .h1{font-size:28px;line-height:38px;}
  .h2{font-size:24px;line-height:32px;}
  .h3{font-size:20px;line-height:30px;}
  .container{padding:0 20px;}
  .hero-stats{grid-template-columns:1fr;}
  .float-card{position:static;margin-top:16px;max-width:none;}
  .news-meta{justify-content:flex-start;}
  .site-footer{margin-top:56px;}
}

/* roulang page: article */
:root{
    --brand:#FF6A2B;
    --brand-deep:#E4531A;
    --pine:#1E6E5C;
    --amber:#FFC24D;
    --paper:#FFF9F4;
    --paper-alt:#F4EFE9;
    --ink:#13211D;
    --card:#FFFFFF;
    --text:#1A1A1A;
    --muted:#5B615E;
    --muted-weak:#8C918E;
    --line:#ECE3DA;
    --grad:linear-gradient(120deg,#FF7A33 0%,#FFB347 55%,#FFC24D 100%);
    --shadow-card:0 10px 30px -12px rgba(255,106,43,.18), 0 2px 8px rgba(19,33,29,.05);
    --shadow-hover:0 22px 48px -18px rgba(255,106,43,.34), 0 6px 16px rgba(19,33,29,.08);
    --radius-lg:24px;
    --radius-md:16px;
    --radius-sm:12px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--paper);
    color:var(--text);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;height:auto}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit}
  ::selection{background:rgba(255,106,43,.22)}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
  a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
    outline:2px solid var(--amber);outline-offset:2px;border-radius:8px;
  }

  /* ---------- header / nav ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    padding:14px 0;
    background:rgba(255,249,244,.86);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
  }
  .nav-card{
    display:flex;align-items:center;gap:18px;
    background:rgba(255,255,255,.9);
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    padding:10px 18px;
    box-shadow:var(--shadow-card);
  }
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .brand-mark{
    width:34px;height:34px;border-radius:11px;
    background:var(--grad);
    color:#fff;font-weight:800;font-size:17px;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 6px 16px -6px rgba(255,106,43,.7);
  }
  .brand-name{font-size:16px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
  .nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
  .nav-link{
    display:inline-flex;align-items:center;gap:7px;
    padding:9px 14px;border-radius:var(--radius-sm);
    font-size:14.5px;color:var(--muted);
    border:1px solid transparent;
    transition:background .24s ease,color .24s ease,border-color .24s ease;
  }
  .nav-link i{font-size:13px;color:var(--pine)}
  .nav-link:hover{background:#FFF1E7;border-color:var(--amber);color:var(--text)}
  .nav-link:hover i{color:var(--brand-deep)}
  .nav-link.active{background:var(--grad);color:#fff;border-color:transparent}
  .nav-link.active i{color:#fff}
  .nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:52px;padding:0 28px;border-radius:999px;
    font-size:15.5px;font-weight:700;border:1px solid transparent;cursor:pointer;
    transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  }
  .btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px -14px rgba(255,106,43,.85)}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px -14px rgba(255,106,43,.9)}
  .btn-primary:active{transform:translateY(0) scale(.99)}
  .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
  .btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px)}
  .btn-ghost:active{transform:translateY(0) scale(.99)}
  .btn-sm{height:40px;padding:0 18px;font-size:14px}
  .btn[disabled],.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--brand-deep)}
  .link-arrow i{transition:transform .22s ease}
  .link-arrow:hover i{transform:translateX(4px)}
  .nav-toggle{
    display:none;width:42px;height:42px;border-radius:12px;margin-left:auto;
    background:#fff;border:1px solid var(--line);color:var(--ink);cursor:pointer;font-size:16px;
  }
  .nav-toggle:hover{border-color:var(--brand);color:var(--brand-deep)}

  /* ---------- page head ---------- */
  .page-head{
    position:relative;overflow:hidden;
    padding:36px 0 8px;
    background:
      radial-gradient(560px 320px at 12% 0%,rgba(255,194,77,.14),transparent 70%),
      radial-gradient(520px 300px at 88% 10%,rgba(255,106,43,.10),transparent 72%),
      var(--paper);
  }
  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:14px;color:var(--muted-weak);margin-bottom:22px;
  }
  .breadcrumb a:hover{color:var(--brand-deep)}
  .breadcrumb .sep{color:#D9CFC5}
  .breadcrumb .current{color:var(--brand-deep);font-weight:600}
  .article-head{max-width:860px}
  .tag{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 14px;border-radius:999px;
    font-size:13px;font-weight:600;background:#FFF1E7;color:var(--brand-deep);
    border:1px solid rgba(255,106,43,.18);
  }
  .tag-pine{background:rgba(30,110,92,.1);color:var(--pine);border-color:rgba(30,110,92,.18)}
  .article-head h1{
    font-size:38px;line-height:1.35;font-weight:800;letter-spacing:-.01em;
    margin:18px 0 16px;
  }
  .meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:18px;font-size:14px;color:var(--muted-weak)}
  .meta-row span{display:inline-flex;align-items:center;gap:6px}
  .meta-row i{color:var(--brand)}

  /* ---------- layout ---------- */
  .main-section{padding:40px 0 96px}
  .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 316px;gap:36px;align-items:start}
  .article-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:40px;box-shadow:var(--shadow-card);
  }
  .cover-wrap{
    border-radius:20px;overflow:hidden;margin-bottom:30px;
    aspect-ratio:21/9;background:var(--paper-alt);
  }
  .cover-wrap img{width:100%;height:100%;object-fit:cover}

  /* ---------- article body ---------- */
  .article-body{font-size:16px;line-height:30px;color:#232323;max-width:760px}
  .article-body > *:first-child{margin-top:0}
  .article-body p{margin:0 0 1.2em}
  .article-body h2{
    font-size:26px;line-height:1.5;font-weight:700;letter-spacing:-.01em;
    margin:40px 0 16px;padding-left:16px;position:relative;
  }
  .article-body h2::before{
    content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
    border-radius:4px;background:var(--grad);
  }
  .article-body h3{font-size:20px;line-height:1.6;font-weight:600;margin:28px 0 12px;color:var(--ink)}
  .article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px;color:var(--ink)}
  .article-body a{color:var(--brand-deep);border-bottom:1px dashed rgba(228,83,26,.5)}
  .article-body a:hover{color:var(--brand);border-bottom-style:solid}
  .article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:22px}
  .article-body li{margin:8px 0}
  .article-body ul{list-style:none;padding-left:6px}
  .article-body ul li{position:relative;padding-left:20px}
  .article-body ul li::before{
    content:"";position:absolute;left:0;top:12px;width:8px;height:8px;border-radius:50%;
    background:var(--pine);opacity:.85;
  }
  .article-body ol{list-style:decimal;color:var(--ink)}
  .article-body ol li::marker{color:var(--brand);font-weight:700}
  .article-body blockquote{
    margin:26px 0;padding:18px 22px;
    background:#FFF6EF;border-left:4px solid transparent;
    border-image:var(--grad) 1;border-radius:0 14px 14px 0;
    color:var(--muted);font-size:15.5px;line-height:28px;
  }
  .article-body blockquote p:last-child{margin-bottom:0}
  .article-body img{border-radius:16px;margin:22px 0}
  .article-body figure{margin:26px 0}
  .article-body figcaption{text-align:center;font-size:13px;color:var(--muted-weak);margin-top:10px}
  .article-body table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:520px}
  .table-scroll{overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:14px}
  .article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left}
  .article-body th{background:var(--paper-alt);font-weight:700;color:var(--ink)}
  .article-body tr:last-child td{border-bottom:none}
  .article-body hr{border:none;height:1px;background:var(--line);margin:34px 0}
  .empty-state{
    border:1.5px dashed var(--line);border-radius:20px;background:#FFFDFB;
    padding:56px 24px;text-align:center;
  }
  .empty-state i{font-size:32px;color:var(--amber)}
  .empty-state p{margin:14px 0 22px;color:var(--muted)}
  .article-foot{
    margin-top:34px;padding-top:24px;border-top:1px solid var(--line);
    display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  }

  /* ---------- sidebar ---------- */
  .side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:100px}
  .side-card{
    background:var(--card);border:1px solid var(--line);border-radius:20px;
    padding:22px;box-shadow:var(--shadow-card);
  }
  .side-title{font-size:15px;font-weight:800;margin:0 0 14px;display:flex;align-items:center;gap:8px}
  .side-title i{color:var(--brand)}
  .toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;
    max-height:300px;overflow:auto}
  .toc-list a{
    display:block;font-size:14px;line-height:22px;color:var(--muted);
    padding:7px 10px;border-radius:10px;border-left:2px solid transparent;
    transition:background .2s ease,color .2s ease,border-color .2s ease;
  }
  .toc-list a:hover{background:#FFF1E7;color:var(--brand-deep);border-left-color:var(--brand)}
  .toc-list .lv3{padding-left:22px;font-size:13.5px}
  .side-note{font-size:13.5px;color:var(--muted-weak);margin:12px 0 0}
  .side-link{
    display:flex;gap:12px;align-items:flex-start;padding:12px;border-radius:14px;
    border:1px solid transparent;transition:background .22s ease,border-color .22s ease,transform .22s ease;
  }
  .side-link:hover{background:#FFF7F1;border-color:var(--line);transform:translateX(3px)}
  .side-link .dot{
    width:34px;height:34px;flex:none;border-radius:11px;background:#FFF1E7;
    display:flex;align-items:center;justify-content:center;color:var(--brand-deep);font-size:14px;
  }
  .side-link b{display:block;font-size:14.5px;font-weight:700;line-height:22px}
  .side-link small{color:var(--muted-weak);font-size:13px}
  .side-cta{
    background:linear-gradient(150deg,#13211D 0%,#1E3A32 100%);
    border-radius:20px;padding:24px;color:#fff;
  }
  .side-cta h3{margin:0 0 8px;font-size:17px;font-weight:700;color:#fff}
  .side-cta p{margin:0 0 18px;font-size:13.5px;line-height:23px;color:rgba(255,255,255,.72)}

  /* ---------- sections ---------- */
  .section{padding:80px 0}
  .section-alt{background:var(--paper-alt)}
  .section-head{max-width:720px;margin-bottom:36px}
  .section-head h2{font-size:30px;line-height:1.35;font-weight:700;letter-spacing:-.01em;margin:0 0 12px}
  .section-head p{margin:0;color:var(--muted);font-size:15.5px}
  .eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand-deep);text-transform:uppercase;margin-bottom:10px}

  .rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
  .rec-card{
    display:flex;gap:16px;background:var(--card);border:1px solid var(--line);
    border-radius:var(--radius-lg);padding:16px;box-shadow:var(--shadow-card);
    transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  }
  .rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,106,43,.35)}
  .rec-thumb{width:120px;height:88px;flex:none;border-radius:14px;overflow:hidden;background:var(--paper-alt)}
  .rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
  .rec-card:hover .rec-thumb img{transform:scale(1.04)}
  .rec-card h3{font-size:16px;line-height:24px;font-weight:700;margin:6px 0 6px}
  .rec-card:hover h3{color:var(--brand-deep)}
  .rec-card p{margin:0;font-size:13.5px;line-height:22px;color:var(--muted)}
  .rec-card time{display:block;margin-top:8px;font-size:13px;color:var(--muted-weak)}

  /* ---------- FAQ ---------- */
  .faq-card{background:var(--card);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-card)}
  .faq-item{border-bottom:1px solid var(--line);position:relative}
  .faq-item:last-child{border-bottom:none}
  .faq-item summary{
    list-style:none;cursor:pointer;padding:22px 26px;
    font-size:17px;font-weight:600;line-height:28px;display:flex;gap:16px;align-items:flex-start;
    transition:background .22s ease,color .22s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:hover{background:#FFF9F4;color:var(--brand-deep)}
  .faq-item summary .ico{
    margin-left:auto;flex:none;width:26px;height:26px;border-radius:50%;
    border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
    color:var(--brand-deep);font-size:12px;transition:transform .24s ease,background .24s ease;
  }
  .faq-item[open] summary{color:var(--brand-deep)}
  .faq-item[open] summary .ico{transform:rotate(45deg);background:#FFF1E7}
  .faq-item[open]::before{
    content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;background:var(--grad);
  }
  .faq-answer{padding:0 26px 24px 26px;font-size:15px;line-height:26px;color:var(--muted);animation:fadeIn .24s ease-out}
  @keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

  /* ---------- CTA ---------- */
  .cta-panel{
    position:relative;overflow:hidden;
    background:linear-gradient(150deg,#13211D 0%,#1E3A32 100%);
    border-radius:28px;padding:52px 44px;color:#fff;
  }
  .cta-panel::after{
    content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,194,77,.28),transparent 68%);
  }
  .cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:40px;align-items:center}
  .cta-panel h2{margin:0 0 12px;font-size:28px;line-height:1.4;font-weight:700;color:#fff}
  .cta-panel p{margin:0;color:rgba(255,255,255,.74);font-size:15px;line-height:26px}
  .sub-form{display:flex;gap:10px;background:#fff;border-radius:999px;padding:6px;box-shadow:0 16px 38px -18px rgba(0,0,0,.6)}
  .sub-form input{
    flex:1;min-width:0;border:none;background:transparent;height:44px;padding:0 18px;
    font-size:15px;color:var(--text);outline:none;border-radius:999px;
  }
  .sub-form input::placeholder{color:#A8ADA9}
  .sub-form .btn{height:44px;padding:0 22px;font-size:14.5px}
  .form-hint{font-size:13px;color:rgba(255,255,255,.6);margin-top:12px}
  .form-msg{font-size:13px;margin-top:10px;display:none}
  .form-msg.ok{display:block;color:#7FE0C4}
  .form-msg.err{display:block;color:#FFAE87}

  /* ---------- footer ---------- */
  .site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:64px 0 28px;margin-top:0}
  .footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
  .footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
  .footer-logo .brand-name{color:#fff}
  .footer-title{font-size:14px;font-weight:700;color:#fff;margin:0 0 16px}
  .footer-links{display:flex;flex-direction:column;gap:10px}
  .footer-links a{font-size:14px;color:rgba(255,255,255,.66);transition:color .22s ease,transform .22s ease}
  .footer-links a:hover{color:var(--amber)}
  .footer-divider{height:1px;background:rgba(255,255,255,.12);margin:40px 0 20px}
  .footer-bottom{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;font-size:13.5px;color:rgba(255,255,255,.55)}
  .to-top{
    width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.24);
    display:inline-flex;align-items:center;justify-content:center;color:#fff;
    transition:background .24s ease,border-color .24s ease,transform .24s ease;
  }
  .to-top:hover{background:var(--grad);border-color:transparent;transform:translateY(-3px)}

  /* ---------- responsive ---------- */
  @media (max-width:1024px){
    .article-layout{grid-template-columns:minmax(0,1fr)}
    .side-col{position:static}
    .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .cta-grid{grid-template-columns:minmax(0,1fr);gap:28px}
    .footer-top{grid-template-columns:1fr 1fr}
  }
  @media (max-width:820px){
    .nav-links{
      position:fixed;top:0;right:0;height:100vh;width:84vw;max-width:380px;
      background:#fff;flex-direction:column;align-items:stretch;gap:10px;
      padding:88px 20px 28px;margin:0;border-radius:24px 0 0 24px;
      box-shadow:-20px 0 60px -20px rgba(19,33,29,.4);
      transform:translateX(105%);transition:transform .3s ease;z-index:80;
    }
    .nav-links.open{transform:translateX(0)}
    .nav-link{padding:14px 16px;font-size:15.5px;background:var(--paper);border:1px solid var(--line)}
    .nav-actions{display:none}
    .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
    .article-head h1{font-size:28px;line-height:1.45}
    .article-card{padding:26px 20px}
    .section{padding:56px 0}
    .section-head h2{font-size:24px}
    .cta-panel{padding:38px 22px;border-radius:24px}
    .cta-panel h2{font-size:23px}
    .rec-grid{grid-template-columns:minmax(0,1fr)}
    .footer-top{grid-template-columns:1fr}
  }
  @media (max-width:520px){
    .container{padding:0 20px}
    .article-body{font-size:15.5px;line-height:29px}
    .sub-form{flex-direction:column;border-radius:20px;padding:10px}
    .sub-form input{height:46px;background:#F7F3EF;border-radius:999px}
    .sub-form .btn{width:100%}
    .rec-card{flex-direction:column}
    .rec-thumb{width:100%;height:150px}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  }

/* roulang page: category1 */
:root{
  --brand:#FF6A2B;
  --brand-deep:#E4531A;
  --brand-soft:#FFF1E7;
  --green:#1E6E5C;
  --green-soft:#E7F2EF;
  --amber:#FFC24D;
  --bg:#FFF9F4;
  --bg-alt:#F4EFE9;
  --dark:#13211D;
  --dark-2:#1E3A32;
  --card:#FFFFFF;
  --text:#1A1A1A;
  --text-2:#5B615E;
  --text-3:#8C918E;
  --line:#ECE3DA;
  --grad:linear-gradient(120deg,#FF7A33 0%,#FFB347 55%,#FFC24D 100%);
  --grad-dark:linear-gradient(160deg,#13211D 0%,#1E3A32 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-card:0 10px 30px -12px rgba(255,106,43,.18), 0 2px 8px rgba(19,33,29,.05);
  --sh-hover:0 22px 44px -16px rgba(255,106,43,.30), 0 4px 12px rgba(19,33,29,.07);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:700}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tint{background:var(--bg-alt)}
@media (max-width:900px){.section{padding:64px 0}}
@media (max-width:640px){.container{padding:0 20px}.section{padding:56px 0}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:12px 0;
  background:rgba(255,249,244,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-card{
  position:relative;
  display:flex;align-items:center;gap:18px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:12px 20px;
  box-shadow:0 10px 28px -22px rgba(19,33,29,.45);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;
  font-weight:800;font-size:16px;line-height:1;
}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;color:var(--text)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:12px;
  font-size:14.5px;color:var(--text-2);
  border:1px solid transparent;
  transition:background .22s,color .22s,border-color .22s,box-shadow .22s;
  white-space:nowrap;
}
.nav-link i{font-size:13px;color:var(--brand-deep);transition:color .22s}
.nav-link:hover{background:var(--brand-soft);border-color:var(--amber);color:var(--brand-deep)}
.nav-link.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 10px 20px -12px rgba(255,106,43,.75)}
.nav-link.active i{color:#fff}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);color:var(--text);
  align-items:center;justify-content:center;font-size:16px;
  transition:border-color .2s,color .2s,background .2s;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand-deep);background:var(--brand-soft)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s,color .2s,border-color .2s;
  white-space:nowrap;
}
.btn i{font-size:13px;transition:transform .22s ease-out}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 14px 28px -16px rgba(255,106,43,.9)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 34px -16px rgba(255,106,43,.95)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0) scale(.99)}
.btn-white{background:#fff;color:var(--brand-deep);box-shadow:0 14px 30px -18px rgba(19,33,29,.6)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 20px 36px -18px rgba(19,33,29,.7)}
.btn-white:hover i{transform:translateX(4px)}
.btn-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--brand-deep);
}
.btn-link i{font-size:13px;transition:transform .22s ease-out}
.btn-link:hover i{transform:translateX(4px)}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:36px 0 72px}
.page-hero::before{
  content:'';position:absolute;width:540px;height:540px;right:-160px;top:-220px;
  background:radial-gradient(circle,rgba(255,106,43,.13),transparent 68%);pointer-events:none;
}
.page-hero::after{
  content:'';position:absolute;width:440px;height:440px;left:-180px;bottom:-240px;
  background:radial-gradient(circle,rgba(30,110,92,.11),transparent 70%);pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-3);margin-bottom:26px;flex-wrap:wrap}
.breadcrumb a{transition:color .2s}
.breadcrumb a:hover{color:var(--brand-deep)}
.breadcrumb .current{color:var(--brand-deep);font-weight:600}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-deep);
  background:var(--brand-soft);border:1px solid rgba(255,194,77,.6);
  border-radius:var(--r-pill);padding:6px 14px;margin-bottom:18px;
}
.eyebrow i{font-size:12px}
.page-hero h1{font-size:44px;line-height:1.2;font-weight:800;margin-bottom:20px}
.hero-lead{font-size:17px;line-height:1.9;color:var(--text-2);max-width:34ch}
.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{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;color:var(--green);
  background:var(--green-soft);border-radius:var(--r-pill);padding:7px 14px;
}
.hero-points i{font-size:11px}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);box-shadow:var(--sh-card);
  border:1px solid var(--line);
}
.hero-float{
  position:absolute;left:-22px;bottom:-22px;
  display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:14px 18px;box-shadow:var(--sh-card);
}
.float-icon{
  width:40px;height:40px;border-radius:12px;background:var(--brand-soft);
  color:var(--brand-deep);display:grid;place-items:center;font-size:15px;flex:none;
}
.hero-float strong{display:block;font-size:14.5px;font-weight:700}
.hero-float em{font-style:normal;font-size:12.5px;color:var(--text-3)}
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .page-hero h1{font-size:34px}
  .hero-lead{max-width:none}
}
@media (max-width:640px){
  .page-hero{padding:24px 0 48px}
  .page-hero h1{font-size:28px;line-height:1.28}
  .hero-actions{gap:12px}
  .hero-actions .btn{width:100%}
  .hero-float{position:static;left:auto;bottom:auto;margin-top:16px}
}

/* ---------- 板块头 ---------- */
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:32px;line-height:1.32;margin-bottom:14px}
.section-head p{font-size:16px;line-height:1.85;color:var(--text-2)}
@media (max-width:640px){.section-head h2{font-size:24px}.section-head{margin-bottom:32px}}

/* ---------- 步骤卡 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 24px 26px;box-shadow:var(--sh-card);
  transition:transform .3s ease-out,box-shadow .3s ease-out,border-color .3s;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#FFD9BF}
.step-num{
  width:44px;height:44px;border-radius:14px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:17px;margin-bottom:18px;
}
.step h3{font-size:19px;line-height:1.5;font-weight:600;margin-bottom:10px}
.step p{font-size:15px;line-height:1.8;color:var(--text-2)}
@media (max-width:900px){.steps{grid-template-columns:1fr}}

/* ---------- 卡片网格 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
@media (max-width:900px){.grid-2{grid-template-columns:1fr;gap:22px}}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-card);
  transition:transform .3s ease-out,box-shadow .3s ease-out,border-color .3s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#FFD9BF}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.95);box-shadow:0 2px 10px rgba(19,33,29,.08)}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.badge{
  display:inline-flex;align-items:center;gap:6px;width:fit-content;
  font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-deep);
}
.badge-green{background:var(--green-soft);color:var(--green)}
.card h3{font-size:20px;line-height:1.5;font-weight:600;transition:color .22s}
.card:hover h3{color:var(--brand-deep)}
.card p{font-size:15px;line-height:1.8;color:var(--text-2)}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.card-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--brand-deep)}
.card-link i{font-size:13px;transition:transform .22s ease-out}
.card:hover .card-link i{transform:translateX(4px)}
.card-meta{font-size:13px;color:var(--text-3)}

/* ---------- 数据徽章带 ---------- */
.stats-band{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:28px 26px;box-shadow:0 2px 10px rgba(19,33,29,.05);
  transition:transform .3s ease-out,box-shadow .3s ease-out;
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.stat-num{font-size:36px;font-weight:800;line-height:1;color:var(--brand-deep);letter-spacing:-.02em}
.stat-num span{font-size:14px;font-weight:600;color:var(--text-3);margin-left:5px;letter-spacing:0}
.stat-label{font-size:13px;color:var(--text-3);margin-top:10px}
.stat p{font-size:14.5px;line-height:1.8;color:var(--text-2);margin-top:12px}
@media (max-width:900px){.stats-band{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.faq{
  background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;
  box-shadow:var(--sh-card);
}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px 22px 30px;font-size:17px;font-weight:600;
  cursor:pointer;list-style:none;position:relative;
  transition:background .22s,color .22s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--grad);opacity:0;transition:opacity .24s ease-out;
}
.faq-item summary:hover{background:#FFFAF5}
.faq-item[open] summary{color:var(--brand-deep)}
.faq-item[open] summary::before{opacity:1}
.faq-icon{
  width:28px;height:28px;border-radius:50%;flex:none;
  border:1px solid var(--line);color:var(--brand-deep);
  display:grid;place-items:center;font-size:12px;
  transition:transform .24s ease-out,background .24s,border-color .24s;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--brand-soft);border-color:var(--amber)}
.faq-body{padding:0 30px 24px;font-size:15px;line-height:1.9;color:var(--text-2)}
@media (max-width:640px){
  .faq-item summary{font-size:15.5px;padding:18px 18px 18px 22px}
  .faq-body{padding:0 22px 20px}
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  background:var(--grad);border-radius:var(--r-lg);
  padding:52px 48px;
  box-shadow:0 24px 50px -28px rgba(255,106,43,.85);
}
.cta-band::after{
  content:'';position:absolute;width:360px;height:360px;right:-120px;top:-140px;
  background:radial-gradient(circle,rgba(255,255,255,.35),transparent 68%);pointer-events:none;
}
.cta-band h2{font-size:28px;line-height:1.35;color:#fff;margin-bottom:12px}
.cta-band p{font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.92);max-width:56ch}
.cta-band .btn{position:relative;z-index:1;flex:none}
@media (max-width:900px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px;gap:24px}
  .cta-band h2{font-size:23px}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:68px 0 28px;margin-top:96px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-logo .brand-name{color:#fff}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin:0 0 16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68);transition:color .2s,padding-left .2s}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-divider{height:1px;background:rgba(255,255,255,.12);margin:44px 0 24px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13.5px;color:rgba(255,255,255,.55);flex-wrap:wrap;
}
.to-top{
  width:42px;height:42px;border-radius:50%;
  border:1px solid rgba(255,255,255,.24);color:#fff;
  display:grid;place-items:center;
  transition:background .24s,border-color .24s,transform .24s;
}
.to-top:hover{background:var(--grad);border-color:transparent;transform:translateY(-2px)}
@media (max-width:1023px){.footer-top{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.footer-top{grid-template-columns:1fr;gap:28px}.site-footer{padding:52px 0 24px;margin-top:56px}}

/* ---------- 动画 ---------- */
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.fade-up{animation:fadeUp .3s ease-out both}
.fade-up.d1{animation-delay:.06s}
.fade-up.d2{animation-delay:.12s}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* ---------- 移动端导航 ---------- */
@media (max-width:1023px){
  .nav-card{gap:12px}
  .nav-toggle{display:inline-flex}
  .nav-links{
    display:flex;flex-direction:column;align-items:stretch;gap:10px;
    position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:380px;
    padding:96px 20px 150px;margin:0;
    background:#fff;border-radius:24px 0 0 24px;
    box-shadow:-24px 0 56px -26px rgba(19,33,29,.45);
    transform:translateX(101%);transition:transform .32s ease-out;
    z-index:90;overflow-y:auto;
  }
  .nav-card.open .nav-links{transform:translateX(0)}
  .nav-link{
    justify-content:flex-start;padding:14px 16px;font-size:15.5px;
    border-color:var(--line);background:#fff;border-radius:14px;
  }
  .nav-link i{width:34px;height:34px;border-radius:11px;background:var(--brand-soft);display:grid;place-items:center;font-size:13px;flex:none}
  .nav-actions{
    position:fixed;right:20px;bottom:26px;z-index:91;
    width:min(calc(84vw - 40px),340px);
    flex-direction:column;align-items:stretch;gap:10px;
    transform:translateX(140%);transition:transform .32s ease-out .04s;
  }
  .nav-card.open .nav-actions{transform:translateX(0)}
  .nav-actions .btn{width:100%}
  .nav-card.open::after{
    content:'';position:fixed;inset:0;background:rgba(19,33,29,.45);
    z-index:85;pointer-events:none;
  }
  body.nav-locked{overflow:hidden}
}

/* roulang page: category2 */
:root{
    --brand:#FF6A2B;
    --brand-deep:#E4531A;
    --pine:#1E6E5C;
    --amber:#FFC24D;
    --bg:#FFF9F4;
    --bg-alt:#F4EFE9;
    --dark:#13211D;
    --dark-2:#1E3A32;
    --card:#FFFFFF;
    --text:#1A1A1A;
    --muted:#5B615E;
    --faint:#8C918E;
    --line:#ECE3DA;
    --radius-lg:24px;
    --radius-md:16px;
    --radius-sm:12px;
    --shadow-card:0 10px 30px -12px rgba(255,106,43,.18), 0 2px 8px rgba(19,33,29,.05);
    --shadow-hover:0 18px 40px -16px rgba(255,106,43,.34), 0 4px 12px rgba(19,33,29,.08);
    --grad:120deg,#FF7A33 0%,#FFB347 55%,#FFC24D 100%;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:28px;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border-style:none}
  a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
  a:hover{color:var(--brand-deep)}
  h1,h2,h3,h4,p{margin:0}
  button{font-family:inherit}
  ul{margin:0;padding:0;list-style:none}

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

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

  /* ============ 头部导航（卡片化导航面板） ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:80;
    background:rgba(255,249,244,.86);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
  }
  .nav-card{
    display:flex;
    align-items:center;
    gap:20px;
    margin:12px 0;
    padding:12px 20px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    box-shadow:0 8px 24px -18px rgba(19,33,29,.35);
  }
  .brand{
    display:flex;
    align-items:center;
    gap:10px;
    font-weight:800;
    font-size:17px;
    letter-spacing:-.01em;
    color:var(--text);
    white-space:nowrap;
  }
  .brand:hover{color:var(--text)}
  .brand-mark{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:32px;
    height:32px;
    border-radius:10px;
    background:linear-gradient(var(--grad));
    color:#fff;
    font-size:15px;
    font-weight:800;
    letter-spacing:0;
    box-shadow:0 6px 14px -6px rgba(255,106,43,.7);
  }
  .nav-links{
    display:flex;
    align-items:center;
    gap:8px;
    margin-left:auto;
  }
  .nav-link{
    display:inline-flex;
    align-items:center;
    gap:7px;
    padding:9px 14px;
    font-size:14px;
    line-height:20px;
    color:var(--muted);
    border-radius:var(--radius-sm);
    border:1px solid transparent;
    transition:background-color .2s ease,color .2s ease,border-color .2s ease;
  }
  .nav-link i{font-size:13px;color:var(--faint)}
  .nav-link:hover{
    background:#FFF1E7;
    border-color:var(--amber);
    color:var(--brand-deep);
  }
  .nav-link:hover i{color:var(--brand-deep)}
  .nav-link.active{
    background:linear-gradient(var(--grad));
    border-color:transparent;
    color:#fff;
    font-weight:600;
  }
  .nav-link.active i{color:rgba(255,255,255,.9)}
  .nav-actions{
    display:flex;
    align-items:center;
    gap:10px;
  }
  .nav-toggle{
    display:none;
    width:42px;
    height:42px;
    border-radius:var(--radius-sm);
    border:1px solid var(--line);
    background:#fff;
    color:var(--text);
    font-size:16px;
    cursor:pointer;
    transition:background-color .2s ease,border-color .2s ease;
  }
  .nav-toggle:hover{background:#FFF1E7;border-color:var(--amber)}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:52px;
    padding:0 28px;
    border-radius:999px;
    border:1px solid transparent;
    font-size:15px;
    font-weight:600;
    cursor:pointer;
    transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
    white-space:nowrap;
  }
  .btn-sm{height:42px;padding:0 18px;font-size:14px}
  .btn-primary{
    background:linear-gradient(var(--grad));
    color:#fff;
    box-shadow:0 12px 26px -14px rgba(255,106,43,.85);
  }
  .btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(255,106,43,.9)}
  .btn-primary:active{transform:translateY(0) scale(.99)}
  .btn-ghost{
    background:#fff;
    border-color:var(--line);
    color:var(--text);
  }
  .btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px)}
  .btn-ghost:active{transform:translateY(0) scale(.99)}
  .btn-dark{
    background:var(--dark);
    color:#fff;
  }
  .btn-dark:hover{background:var(--dark-2);color:#fff;transform:translateY(-2px)}
  .btn-outline-light{
    background:transparent;
    border-color:rgba(255,255,255,.42);
    color:#fff;
  }
  .btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
  .btn:disabled{opacity:.6;cursor:not-allowed}

  /* ============ 面包屑 ============ */
  .crumbs{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:14px;
    line-height:24px;
    color:var(--faint);
  }
  .crumbs a{color:var(--faint)}
  .crumbs a:hover{color:var(--brand-deep)}
  .crumbs .sep{color:#C9C1B8}
  .crumbs .current{color:var(--brand-deep);font-weight:600}

  /* ============ 紧凑型页头 ============ */
  .page-head{
    padding:56px 0 32px;
    background:
      radial-gradient(520px 260px at 88% 6%,rgba(255,194,77,.16),transparent 68%),
      radial-gradient(420px 240px at 4% 92%,rgba(30,110,92,.10),transparent 70%),
      var(--bg);
    border-bottom:1px solid var(--line);
  }
  .page-head-row{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:28px;
    margin-top:22px;
  }
  .page-head h1{
    font-size:40px;
    line-height:48px;
    font-weight:800;
    letter-spacing:-.01em;
    max-width:760px;
  }
  .page-head h1 .hl{
    color:var(--brand-deep);
  }
  .page-lead{
    margin-top:14px;
    font-size:17px;
    line-height:30px;
    color:var(--muted);
    max-width:720px;
  }
  .head-meta{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:20px;
  }
  .chip{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:6px 14px;
    border-radius:999px;
    font-size:13px;
    line-height:20px;
    background:#FFF1E7;
    color:var(--brand-deep);
    border:1px solid rgba(255,106,43,.22);
  }
  .chip-pine{
    background:rgba(30,110,92,.10);
    color:var(--pine);
    border-color:rgba(30,110,92,.22);
  }
  .chip-muted{
    background:#fff;
    color:var(--muted);
    border-color:var(--line);
  }

  /* ============ 主体板块 ============ */
  .section{padding:72px 0}
  .section-alt{background:var(--bg-alt);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:32px;
  }
  .section-head h2{
    font-size:30px;
    line-height:40px;
    font-weight:700;
    letter-spacing:-.01em;
  }
  .section-head p{
    margin-top:10px;
    font-size:15px;
    line-height:26px;
    color:var(--muted);
    max-width:640px;
  }
  .link-more{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:15px;
    font-weight:600;
    color:var(--brand-deep);
  }
  .link-more i{transition:transform .2s ease}
  .link-more:hover i{transform:translateX(4px)}

  /* ============ 行式列表卡 ============ */
  .row-list{display:flex;flex-direction:column;gap:12px}
  .row-card{
    position:relative;
    display:flex;
    align-items:center;
    gap:18px;
    padding:16px 22px 16px 30px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:20px;
    overflow:hidden;
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .row-card::before{
    content:"";
    position:absolute;
    left:0;top:0;bottom:0;
    width:4px;
    background:linear-gradient(var(--grad));
  }
  .row-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-hover);
    border-color:rgba(255,106,43,.35);
  }
  .row-card:hover .row-title{color:var(--brand-deep)}
  .row-card:hover .row-thumb img{transform:scale(1.04)}
  .row-thumb{
    flex:0 0 auto;
    width:96px;
    height:72px;
    border-radius:12px;
    overflow:hidden;
    background:#FFF1E7;
  }
  .row-thumb img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .3s ease-out;
  }
  .row-main{flex:1 1 auto;min-width:0}
  .row-title{
    font-size:18px;
    line-height:28px;
    font-weight:600;
    color:var(--text);
    transition:color .2s ease;
  }
  .row-desc{
    margin-top:6px;
    font-size:14px;
    line-height:24px;
    color:var(--muted);
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .row-side{
    flex:0 0 auto;
    display:flex;
    align-items:center;
    gap:16px;
    padding-left:8px;
  }
  .row-date{
    font-size:14px;
    line-height:24px;
    color:var(--faint);
    white-space:nowrap;
  }
  .badge{
    display:inline-flex;
    align-items:center;
    padding:5px 12px;
    border-radius:999px;
    font-size:12px;
    line-height:20px;
    font-weight:600;
    background:#FFF1E7;
    color:var(--brand-deep);
  }
  .badge-pine{background:rgba(30,110,92,.10);color:var(--pine)}
  .row-arrow{
    width:34px;
    height:34px;
    border-radius:999px;
    border:1px solid var(--line);
    display:inline-flex;
    align-items:center;
    justify-content:center;
    color:var(--faint);
    font-size:13px;
    transition:all .2s ease;
  }
  .row-card:hover .row-arrow{
    background:linear-gradient(var(--grad));
    border-color:transparent;
    color:#fff;
  }

  /* ============ 数据徽章带 ============ */
  .stat-band{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:20px;
  }
  .stat-card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:20px;
    padding:22px 24px;
    box-shadow:var(--shadow-card);
  }
  .stat-num{
    font-size:30px;
    line-height:38px;
    font-weight:800;
    letter-spacing:-.02em;
    background:linear-gradient(var(--grad));
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .stat-label{
    margin-top:6px;
    font-size:14px;
    line-height:24px;
    color:var(--muted);
  }

  /* ============ 两栏要点卡 ============ */
  .key-grid{
    display:grid;
    grid-template-columns:1.05fr 1fr;
    gap:40px;
    align-items:start;
  }
  .key-text h2{
    font-size:30px;
    line-height:40px;
    font-weight:700;
    letter-spacing:-.01em;
  }
  .key-text > p{
    margin-top:14px;
    font-size:16px;
    line-height:30px;
    color:var(--muted);
  }
  .step-list{margin-top:26px;display:flex;flex-direction:column;gap:18px}
  .step-item{display:flex;gap:14px}
  .step-no{
    flex:0 0 auto;
    width:32px;
    height:32px;
    border-radius:10px;
    background:#FFF1E7;
    color:var(--brand-deep);
    font-size:14px;
    font-weight:700;
    display:inline-flex;
    align-items:center;
    justify-content:center;
  }
  .step-item h3{font-size:17px;line-height:28px;font-weight:600}
  .step-item p{margin-top:4px;font-size:14px;line-height:24px;color:var(--muted)}
  .key-cards{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:16px;
  }
  .key-card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:20px;
    padding:22px;
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .key-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-hover);
    border-color:rgba(255,106,43,.35);
  }
  .key-icon{
    width:40px;
    height:40px;
    border-radius:12px;
    background:#FFF1E7;
    color:var(--brand-deep);
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-size:16px;
  }
  .key-icon.pine{background:rgba(30,110,92,.10);color:var(--pine)}
  .key-card h3{margin-top:14px;font-size:17px;line-height:26px;font-weight:600}
  .key-card p{margin-top:8px;font-size:14px;line-height:24px;color:var(--muted)}

  /* ============ FAQ ============ */
  .faq-wrap{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:20px;
    overflow:hidden;
    box-shadow:var(--shadow-card);
  }
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item:last-child{border-bottom:none}
  .faq-item summary{
    position:relative;
    list-style:none;
    cursor:pointer;
    padding:22px 64px 22px 24px;
    font-size:18px;
    line-height:28px;
    font-weight:600;
    color:var(--text);
    transition:background-color .2s ease,color .2s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{
    content:"+";
    position:absolute;
    right:24px;
    top:50%;
    transform:translateY(-50%);
    width:26px;
    height:26px;
    border-radius:999px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:16px;
    font-weight:600;
    color:var(--brand-deep);
    background:#FFF1E7;
    transition:transform .24s ease,background-color .24s ease,color .24s ease;
  }
  .faq-item summary:hover{background:#FFFDFB;color:var(--brand-deep)}
  .faq-item[open] summary{color:var(--brand-deep)}
  .faq-item[open] summary::after{
    content:"−";
    transform:translateY(-50%) rotate(180deg);
    background:linear-gradient(var(--grad));
    color:#fff;
  }
  .faq-body{
    position:relative;
    padding:0 24px 24px 28px;
    font-size:15px;
    line-height:26px;
    color:var(--muted);
  }
  .faq-body::before{
    content:"";
    position:absolute;
    left:24px;
    top:0;
    bottom:24px;
    width:4px;
    border-radius:4px;
    background:linear-gradient(var(--grad));
  }
  .faq-body{padding-left:44px}

  /* ============ 相关分类互链 ============ */
  .link-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:20px;
  }
  .link-tile{
    display:block;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:20px;
    padding:24px;
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .link-tile:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-hover);
    border-color:rgba(255,106,43,.35);
    color:inherit;
  }
  .link-tile:hover h3{color:var(--brand-deep)}
  .link-tile h3{margin-top:14px;font-size:17px;line-height:26px;font-weight:600;transition:color .2s ease}
  .link-tile p{margin-top:8px;font-size:14px;line-height:24px;color:var(--muted)}
  .link-tile .arrow{
    margin-top:16px;
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:14px;
    font-weight:600;
    color:var(--brand-deep);
  }

  /* ============ 深色 CTA ============ */
  .cta-band{
    background:linear-gradient(160deg,var(--dark) 0%,var(--dark-2) 100%);
    border-radius:28px;
    padding:52px 48px;
    display:grid;
    grid-template-columns:1.1fr 1fr;
    gap:40px;
    align-items:center;
    position:relative;
    overflow:hidden;
  }
  .cta-band::after{
    content:"";
    position:absolute;
    width:320px;height:320px;
    right:-90px;top:-120px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(255,194,77,.30),transparent 65%);
  }
  .cta-band h2{
    color:#fff;
    font-size:30px;
    line-height:40px;
    font-weight:700;
    letter-spacing:-.01em;
  }
  .cta-band p{
    margin-top:12px;
    color:rgba(255,255,255,.74);
    font-size:15px;
    line-height:26px;
    max-width:520px;
  }
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
  .sub-card{
    position:relative;
    z-index:1;
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.14);
    border-radius:20px;
    padding:24px;
  }
  .sub-card h3{color:#fff;font-size:17px;line-height:26px;font-weight:600}
  .sub-card p{margin-top:6px;color:rgba(255,255,255,.66);font-size:13px;line-height:22px}
  .sub-form{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
  .sub-input{
    flex:1 1 200px;
    height:52px;
    padding:0 20px;
    border-radius:999px;
    border:1px solid rgba(255,255,255,.22);
    background:#fff;
    color:var(--text);
    font-size:14px;
    outline:none;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .sub-input::placeholder{color:#A8ADA9}
  .sub-input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,106,43,.25)}
  .form-msg{margin-top:12px;font-size:13px;line-height:22px;display:none}
  .form-msg.err{display:block;color:#FF9E7A}
  .form-msg.ok{display:block;color:#7FD3BB}

  /* ============ 页脚 ============ */
  .site-footer{
    background:var(--dark);
    color:rgba(255,255,255,.72);
    padding:64px 0 28px;
    margin-top:80px;
  }
  .footer-top{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1fr;
    gap:40px;
  }
  .footer-logo{
    display:flex;
    align-items:center;
    gap:10px;
    color:#fff;
    font-size:17px;
    font-weight:800;
    letter-spacing:-.01em;
  }
  .footer-brand p{margin-top:14px;color:rgba(255,255,255,.62);max-width:320px}
  .footer-title{
    color:#fff;
    font-size:15px;
    font-weight:600;
    margin-bottom:16px;
  }
  .footer-links{display:flex;flex-direction:column;gap:10px}
  .footer-links a{
    font-size:14px;
    line-height:24px;
    color:rgba(255,255,255,.66);
  }
  .footer-links a:hover{color:var(--amber)}
  .footer-divider{
    height:1px;
    background:rgba(255,255,255,.12);
    margin:40px 0 20px;
  }
  .footer-bottom{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    font-size:14px;
    line-height:24px;
    color:rgba(255,255,255,.56);
    flex-wrap:wrap;
  }
  .to-top{
    width:42px;
    height:42px;
    border-radius:999px;
    border:1px solid rgba(255,255,255,.24);
    display:inline-flex;
    align-items:center;
    justify-content:center;
    color:#fff;
    transition:all .2s ease;
  }
  .to-top:hover{
    background:linear-gradient(var(--grad));
    border-color:transparent;
    color:#fff;
    transform:translateY(-2px);
  }

  /* ============ 响应式 ============ */
  @media (max-width:1024px){
    .page-head h1{font-size:34px;line-height:44px}
    .key-grid{grid-template-columns:1fr;gap:32px}
    .cta-band{grid-template-columns:1fr;padding:40px 32px}
    .footer-top{grid-template-columns:1fr 1fr;gap:32px}
    .link-grid{grid-template-columns:repeat(2,1fr)}
  }

  @media (max-width:900px){
    .nav-card{gap:12px;padding:10px 14px}
    .nav-links,.nav-actions{display:none}
    .nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto}
    .nav-links.open{
      display:flex;
      position:fixed;
      top:0;right:0;
      width:84vw;
      max-width:360px;
      bottom:132px;
      flex-direction:column;
      align-items:stretch;
      gap:10px;
      padding:86px 20px 20px;
      background:#fff;
      border-left:1px solid var(--line);
      border-radius:24px 0 0 24px;
      box-shadow:-24px 0 60px rgba(19,33,29,.22);
      z-index:90;
      overflow-y:auto;
    }
    .nav-links.open .nav-link{
      padding:14px 16px;
      font-size:15px;
      border:1px solid var(--line);
      border-radius:var(--radius-sm);
    }
    .nav-actions.open{
      display:flex;
      position:fixed;
      right:0;bottom:0;
      width:84vw;
      max-width:360px;
      flex-direction:column;
      gap:10px;
      padding:16px 20px 24px;
      background:#fff;
      border-left:1px solid var(--line);
      border-radius:0 0 0 24px;
      z-index:91;
    }
    .nav-actions.open .btn{width:100%}
  }

  @media (max-width:768px){
    .container{padding:0 20px}
    .section{padding:56px 0}
    .page-head{padding:40px 0 28px}
    .page-head-row{flex-direction:column;align-items:flex-start;gap:18px}
    .page-head h1{font-size:28px;line-height:36px}
    .page-lead{font-size:16px;line-height:28px}
    .section-head{flex-direction:column;align-items:flex-start;gap:14px}
    .section-head h2,
    .key-text h2,
    .cta-band h2{font-size:24px;line-height:32px}
    .row-card{flex-wrap:wrap;padding:18px 18px 18px 24px;gap:14px}
    .row-side{width:100%;justify-content:space-between;padding-left:0;border-top:1px dashed var(--line);padding-top:12px}
    .stat-band{grid-template-columns:1fr;gap:12px}
    .key-cards{grid-template-columns:1fr}
    .link-grid{grid-template-columns:1fr}
    .faq-item summary{font-size:16px;line-height:26px;padding:18px 56px 18px 20px}
    .faq-body{padding:0 20px 22px 40px}
    .faq-body::before{left:20px;bottom:22px}
    .cta-band{padding:32px 22px;border-radius:24px}
    .site-footer{padding:48px 0 24px;margin-top:56px}
    .footer-top{grid-template-columns:1fr;gap:28px}
  }

  @media (max-width:520px){
    .page-head h1{font-size:26px;line-height:34px}
    .row-thumb{width:80px;height:64px}
    .btn{width:100%}
    .cta-actions{gap:10px}
    .sub-form{flex-direction:column}
    .sub-input{width:100%}
  }

  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  }