/* roulang page: index */
:root{
  --brand:#0FB98A;
  --brand-deep:#087A5C;
  --brand-light:#E6F8F2;
  --honey:#FF8A3D;
  --violet:#5B3DF5;
  --bg:#F6F7F4;
  --card:#FFFFFF;
  --border:#E7E6E0;
  --text:#1B1B22;
  --text-2:#55565F;
  --text-3:#8A8B94;
  --dark:#14121A;
  --grad:linear-gradient(135deg,#0FB98A 0%,#2BD9A8 48%,#5B3DF5 100%);
  --grad-btn:linear-gradient(90deg,#0FB98A,#12C9A0);
  --r-lg:22px;
  --r-md:16px;
  --r-pill:999px;
  --sh-1:0 2px 4px rgba(20,18,26,.04);
  --sh-2:0 18px 40px -18px rgba(8,122,92,.22);
  --sh-nav:0 10px 30px -14px rgba(20,18,26,.18);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:0;list-style:none}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap}
.sec-title{font-size:28px;font-weight:700;letter-spacing:-.01em;line-height:1.35}
.sec-desc{font-size:15px;color:var(--text-2);margin-top:10px;max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-light);color:var(--brand-deep);
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:var(--r-pill);
}
.eyebrow i{color:var(--brand)}

/* ---------- 导航卡片面板 ---------- */
.site-header{position:sticky;top:12px;z-index:60;padding:0 20px}
.nav-shell{
  max-width:1180px;margin:0 auto;background:#fff;
  border:1px solid var(--border);border-radius:20px;
  box-shadow:var(--sh-nav);
  display:flex;align-items:center;gap:18px;
  padding:12px 16px;
}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:40px;height:40px;border-radius:13px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:17px;
  box-shadow:0 8px 18px -10px rgba(8,122,92,.7);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:11px;color:var(--text-3);letter-spacing:.04em}
.nav-links{display:flex;align-items:center;gap:8px;flex:1;justify-content:center}
.nav-item{
  display:flex;align-items:center;gap:8px;
  padding:8px 12px;border-radius:14px;border:1px solid transparent;
  font-size:14px;color:var(--text-2);font-weight:500;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
  white-space:nowrap;
}
.nav-item .ico{
  width:26px;height:26px;border-radius:9px;background:var(--brand-light);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:12px;
  transition:background .2s ease,color .2s ease;
}
.nav-item:hover{background:#F2FBF7;color:var(--brand-deep);border-color:#DCF3E9;transform:translateY(-1px)}
.nav-item:hover .ico{background:var(--brand);color:#fff}
.nav-item.active{background:#F2FBF7;color:var(--brand-deep);border-color:#CDEEE0;font-weight:600}
.nav-item.active .ico{background:var(--brand);color:#fff}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:14px;border:1px solid var(--border);
  background:#fff;color:var(--text);cursor:pointer;align-items:center;justify-content:center;font-size:16px;
}
.nav-toggle:hover{background:var(--brand-light);color:var(--brand-deep)}
.mobile-drawer{
  display:none;max-width:1180px;margin:10px auto 0;background:#fff;
  border:1px solid var(--border);border-radius:18px;box-shadow:var(--sh-nav);padding:14px;
}
.mobile-drawer.open{display:block}
.drawer-item{
  display:flex;align-items:center;gap:10px;padding:12px;border-radius:14px;
  border:1px solid var(--border);margin-bottom:8px;font-size:15px;color:var(--text-2);
}
.drawer-item .ico{
  width:30px;height:30px;border-radius:10px;background:var(--brand-light);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:13px;
}
.drawer-item.active{background:#F2FBF7;color:var(--brand-deep);border-color:#CDEEE0;font-weight:600}
.drawer-cta{width:100%;justify-content:center;margin-top:4px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .22s ease,filter .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{background:var(--grad-btn);color:#fff;box-shadow:0 12px 26px -14px rgba(15,185,138,.85),inset 0 1px 0 rgba(255,255,255,.28)}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:0 18px 34px -16px rgba(15,185,138,.9)}
.btn-ghost{background:#fff;color:var(--brand-deep);border-color:#BFE9DA}
.btn-ghost:hover{background:var(--brand-light);transform:translateY(-2px)}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{transform:translateY(-2px);filter:brightness(1.15)}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand-deep);font-size:14px;font-weight:600}
.btn-text:hover{text-decoration:underline;text-underline-offset:4px}
.btn:active{transform:scale(.98)}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}
.nav-cta-btn{height:42px;padding:0 20px;font-size:14px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:56px 0 40px;overflow:hidden}
.hero::before,.hero::after{
  content:"";position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;pointer-events:none;
}
.hero::before{width:520px;height:520px;background:rgba(15,185,138,.28);top:-160px;left:-140px}
.hero::after{width:460px;height:460px;background:rgba(91,61,245,.2);bottom:-200px;right:-120px}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center}
.hero h1{font-size:40px;line-height:1.26;font-weight:700;letter-spacing:-.02em;margin:18px 0 16px}
.hero h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;color:var(--text-2);margin-bottom:26px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.trust-row{display:flex;gap:22px;flex-wrap:wrap}
.trust-item{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2)}
.trust-item i{color:var(--brand);font-size:14px}
.hero-visual{
  position:relative;border-radius:24px;padding:6px;
  background:var(--grad);box-shadow:0 30px 60px -30px rgba(8,122,92,.5);
}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:19px}
.float-badge{
  position:absolute;left:-14px;bottom:26px;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-pill);padding:10px 18px;display:flex;align-items:center;gap:10px;
  box-shadow:var(--sh-2);
}
.dot{width:8px;height:8px;border-radius:50%;background:var(--honey);flex:none}
.float-badge strong{font-size:20px;font-weight:700}
.float-badge em{font-style:normal;font-size:12px;color:var(--text-3)}

/* ---------- 数据徽章条 ---------- */
.badge-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px}
.stat-pill{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-pill);
  padding:14px 22px;display:flex;align-items:center;gap:12px;box-shadow:var(--sh-1);
  transition:box-shadow .22s ease,transform .22s ease;
}
.stat-pill:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.stat-pill strong{font-size:20px;font-weight:700;letter-spacing:-.02em}
.stat-pill span{font-size:12px;color:var(--text-3)}

/* ---------- 分类入口 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cat-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:26px 24px;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:12px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CDEEE0}
.cat-icon{
  width:46px;height:46px;border-radius:14px;background:var(--brand-light);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:18px;
  transition:background .2s ease,color .2s ease;
}
.cat-card:hover .cat-icon{background:var(--brand);color:#fff}
.cat-card h3{font-size:19px;font-weight:600}
.cat-card p{font-size:14px;color:var(--text-2);line-height:1.7}

/* ---------- 三步上手 ---------- */
.step-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:20px;align-items:stretch}
.step-card{
  position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:30px 26px 28px;box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-card::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:var(--grad);
}
.step-num{font-size:52px;font-weight:700;line-height:1;letter-spacing:-.04em;color:var(--brand-light);
  -webkit-text-stroke:1px rgba(15,185,138,.35);font-variant-numeric:tabular-nums}
.step-card h3{font-size:19px;font-weight:600;margin:14px 0 10px}
.step-card p{font-size:14px;color:var(--text-2)}
.step-tag{margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--honey);
  border:1px solid rgba(255,138,61,.45);border-radius:var(--r-pill);padding:3px 12px}

/* ---------- 案例证明 ---------- */
.proof-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:22px}
.proof-main{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;
}
.proof-main:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.proof-main img{width:100%;aspect-ratio:16/9;object-fit:cover}
.proof-body{padding:26px}
.proof-body h3{font-size:19px;font-weight:600;margin-bottom:10px}
.proof-body p{font-size:14px;color:var(--text-2);margin-bottom:16px}
.mini-badges{display:flex;gap:10px;flex-wrap:wrap}
.mini-badge{
  display:inline-flex;align-items:center;gap:8px;background:var(--brand-light);
  border-radius:var(--r-pill);padding:6px 14px;font-size:12px;color:var(--brand-deep);font-weight:600;
}
.proof-side{display:grid;grid-template-rows:1fr 1fr;gap:22px}
.proof-narrow{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:24px;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:10px;
  transition:transform .22s ease,box-shadow .22s ease;
}
.proof-narrow:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.proof-narrow h3{font-size:17px;font-weight:600}
.proof-narrow p{font-size:14px;color:var(--text-2)}
.tag-line{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto}
.tag{
  font-size:12px;color:var(--honey);border:1px solid rgba(255,138,61,.45);
  border-radius:var(--r-pill);padding:3px 12px;
}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.news-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:24px;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:12px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CDEEE0}
.news-card h3{font-size:18px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card h3 a:hover{color:var(--brand-deep)}
.news-card p{font-size:14px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--text-3);margin-top:auto}
.news-cat{
  font-size:12px;color:var(--honey);border:1px solid rgba(255,138,61,.45);
  border-radius:var(--r-pill);padding:2px 12px;
}
.news-arrow{margin-left:auto;color:var(--brand);font-size:13px}
.empty-state{
  grid-column:1/-1;text-align:center;background:#fff;border:1px dashed #CDEEE0;
  border-radius:var(--r-lg);padding:52px 24px;
}
.empty-state .ico{
  width:56px;height:56px;border-radius:18px;background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:22px;margin:0 auto 16px;
}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:18px}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);transition:border-color .2s ease,box-shadow .22s ease;
}
.faq-item[open]{border-color:#CDEEE0;box-shadow:var(--sh-2)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:20px 24px;font-size:16px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-idx{
  flex:none;width:28px;height:28px;border-radius:9px;background:var(--brand-light);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.faq-chev{margin-left:auto;color:var(--brand);font-size:14px;transition:transform .22s ease}
.faq-item[open] .faq-chev{transform:rotate(45deg)}
.faq-body{
  border-top:1px solid #F1F0EB;padding:18px 24px 22px 66px;font-size:15px;line-height:1.8;color:var(--text-2);
  position:relative;
}
.faq-body::before{
  content:"";position:absolute;left:42px;top:18px;bottom:22px;width:3px;border-radius:3px;background:var(--grad);
}
.faq-item summary:focus-visible{outline:2px solid var(--brand);outline-offset:-3px}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:26px;padding:48px 44px;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  box-shadow:0 34px 60px -30px rgba(8,122,92,.6);
}
.cta-card::after{
  content:"";position:absolute;width:340px;height:340px;border-radius:50%;
  background:rgba(255,255,255,.16);top:-140px;right:-90px;filter:blur(10px);
}
.cta-card h2{font-size:28px;font-weight:700;letter-spacing:-.01em;margin-bottom:10px}
.cta-card p{font-size:15px;color:rgba(255,255,255,.9);max-width:520px}
.cta-right{position:relative;z-index:1;display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.cta-right small{font-size:12px;color:rgba(255,255,255,.85)}
.cta-badge{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.2);
  border:1px solid rgba(255,255,255,.35);border-radius:var(--r-pill);
  padding:6px 14px;font-size:12px;color:#fff;margin-bottom:6px;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);color:#EDEDF0;margin-top:88px;position:relative;
}
.site-footer::before{content:"";display:block;height:2px;background:var(--grad)}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:34px;padding:60px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand strong{font-size:16px;color:#fff}
.footer-col h4{font-size:13px;letter-spacing:.16em;color:#9C9DA6;margin-bottom:16px;font-weight:600}
.footer-col p{font-size:14px;color:#9C9DA6;line-height:1.85}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:#EDEDF0;transition:color .18s ease}
.footer-col a:hover{color:#7BE8C4}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0;font-size:12px;color:#9C9DA6;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-cta-btn{display:none}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero h1{font-size:32px}
  .badge-strip{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .step-grid{grid-template-columns:1fr}
  .proof-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 30px}
  .cta-card{padding:38px 30px}
}
@media (max-width:639px){
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .hero{padding:36px 0 24px}
  .hero h1{font-size:28px;line-height:1.32}
  .hero-sub{font-size:15px}
  .sec-title{font-size:22px}
  .hero-actions .btn{width:100%}
  .trust-row{gap:14px}
  .news-grid{grid-template-columns:1fr}
  .badge-strip{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr}
  .float-badge{left:8px;bottom:12px;padding:8px 14px}
  .cta-card{padding:30px 22px;border-radius:22px}
  .cta-card h2{font-size:22px}
  .cta-right{width:100%}
  .cta-right .btn{width:100%}
  .faq-item summary{padding:16px 16px;font-size:15px;gap:10px}
  .faq-body{padding:16px 18px 20px 18px}
  .faq-body::before{display:none}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{margin-top:56px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .btn:hover,.cat-card:hover,.news-card:hover,.step-card:hover,.proof-main:hover,.proof-narrow:hover,.stat-pill:hover{transform:none}
}

/* roulang page: article */
:root{
  --brand:#0FB98A;
  --brand-deep:#087A5C;
  --brand-light:#E6F8F2;
  --accent:#FF8A3D;
  --violet:#5B3DF5;
  --bg:#F6F7F4;
  --card:#FFFFFF;
  --border:#E7E6E0;
  --text:#1B1B22;
  --text-2:#55565F;
  --text-3:#8A8B94;
  --dark:#14121A;
  --grad:linear-gradient(135deg,#0FB98A 0%,#2BD9A8 48%,#5B3DF5 100%);
  --grad-btn:linear-gradient(90deg,#0FB98A,#12C9A0);
  --r-card:22px;
  --r-inner:16px;
  --r-pill:999px;
  --sh-1:0 2px 4px rgba(20,18,26,.04);
  --sh-hover:0 18px 40px -18px rgba(8,122,92,.22);
  --sh-nav:0 10px 30px -14px rgba(20,18,26,.18);
  --sec-pad:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,p{margin:0}
strong{font-weight:700}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:12px;z-index:60;padding:0 20px}
.nav-panel{
  max-width:1180px;margin:0 auto;background:#fff;border:1px solid var(--border);
  border-radius:20px;box-shadow:var(--sh-nav);padding:10px 14px;
  display:flex;align-items:center;gap:16px;position:relative;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:16px;box-shadow:0 8px 18px -10px rgba(15,185,138,.9);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--text);white-space:nowrap}
.brand-sub{display:block;font-size:11px;color:var(--text-3);font-weight:500;letter-spacing:.02em;line-height:1.2}
.nav-links{display:flex;align-items:center;gap:6px;flex:1;min-width:0}
.nav-item{
  display:inline-flex;align-items:center;gap:8px;padding:9px 12px;border-radius:14px;
  font-size:14px;font-weight:500;color:var(--text-2);white-space:nowrap;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-item .ico{
  width:26px;height:26px;border-radius:9px;background:var(--brand-light);color:var(--brand-deep);
  display:grid;place-items:center;font-size:12px;transition:background .2s ease,color .2s ease;flex:none;
}
.nav-item:hover{background:#F2FBF7;color:var(--brand-deep)}
.nav-item:hover .ico{background:var(--brand);color:#fff}
.nav-item.active{background:var(--brand-light);color:var(--brand-deep);font-weight:600}
.nav-item.active .ico{background:var(--brand);color:#fff}
.nav-item:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.nav-cta{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{
  display:none;align-items:center;gap:8px;background:#fff;border:1px solid var(--border);
  border-radius:14px;padding:9px 14px;font-size:14px;color:var(--text-2);cursor:pointer;
  transition:background .2s ease,color .2s ease;
}
.nav-toggle:hover{background:var(--brand-light);color:var(--brand-deep)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;
  font-size:15px;font-weight:600;line-height:1;padding:13px 24px;border-radius:var(--r-pill);
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--brand-deep);outline-offset:2px}
.btn-primary{
  background:var(--grad-btn);color:#fff;
  box-shadow:0 10px 24px -12px rgba(15,185,138,.75),inset 0 1px 0 rgba(255,255,255,.28);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(15,185,138,.85)}
.btn-primary:active{transform:scale(.98)}
.btn-secondary{background:#fff;color:var(--brand-deep);border:1px solid rgba(15,185,138,.42)}
.btn-secondary:hover{background:var(--brand-light);transform:translateY(-2px)}
.btn-secondary:active{transform:scale(.98)}
.btn-ghost{background:transparent;color:var(--brand-deep);padding:8px 4px;border-radius:10px}
.btn-ghost:hover{text-decoration:underline}
.btn-white{background:#fff;color:var(--brand-deep);box-shadow:0 12px 26px -14px rgba(0,0,0,.35)}
.btn-white:hover{transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ============ 页面头部 ============ */
.page-head{padding:40px 0 8px}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;
}
.breadcrumb a{color:var(--text-3);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand-deep)}
.breadcrumb .sep{opacity:.55}
.breadcrumb .current{color:var(--text-2);max-width:360px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-head h1{
  font-size:40px;line-height:1.28;font-weight:700;letter-spacing:-.015em;max-width:920px;word-break:break-word;
}
.meta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.meta-item{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--text-2);
  background:#fff;border:1px solid var(--border);border-radius:var(--r-pill);padding:7px 14px;
  font-variant-numeric:tabular-nums;
}
.meta-item i{color:var(--brand);font-size:12px}

/* ============ 文章布局 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:40px;align-items:start;padding-top:34px;
}
.article-shell{
  max-width:800px;width:100%;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-card);box-shadow:var(--sh-1);padding:40px 44px;
}
.article-lead{
  font-size:16px;color:var(--text-2);background:var(--brand-light);border-radius:var(--r-inner);
  padding:18px 20px;margin-bottom:28px;line-height:1.8;
}
.content-prose{font-size:17px;line-height:1.9;color:var(--text);word-break:break-word}
.content-prose p{margin:0 0 16px}
.content-prose h2{
  position:relative;font-size:24px;font-weight:700;line-height:1.4;letter-spacing:-.01em;
  margin:40px 0 14px;padding-left:14px;
}
.content-prose h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;background:var(--grad);
}
.content-prose h3{font-size:19px;font-weight:700;line-height:1.5;margin:28px 0 10px}
.content-prose h4{font-size:17px;font-weight:700;margin:22px 0 8px}
.content-prose ul,.content-prose ol{margin:0 0 18px;padding-left:2px}
.content-prose li{position:relative;padding-left:24px;margin:8px 0}
.content-prose ul>li::before{
  content:"";position:absolute;left:5px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--brand);
}
.content-prose ol{counter-reset:prose-li}
.content-prose ol>li::before{
  counter-increment:prose-li;content:counter(prose-li);
  position:absolute;left:0;top:.18em;width:18px;height:18px;border-radius:6px;
  background:var(--brand-light);color:var(--brand-deep);font-size:11px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.content-prose blockquote{
  margin:22px 0;padding:16px 20px;background:var(--brand-light);
  border-left:3px solid var(--brand);border-radius:0 var(--r-inner) var(--r-inner) 0;
  color:var(--text-2);font-size:16px;
}
.content-prose blockquote p:last-child{margin-bottom:0}
.content-prose img{border-radius:16px;margin:20px auto;max-width:100%}
.content-prose figure{margin:22px 0}
.content-prose figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.content-prose a{color:var(--brand-deep);border-bottom:1px solid rgba(15,185,138,.4)}
.content-prose a:hover{border-bottom-color:var(--brand-deep)}
.content-prose code{
  background:#F1F2EE;border:1px solid var(--border);border-radius:6px;padding:2px 6px;font-size:14px;
}
.content-prose pre{
  background:var(--dark);color:#EDEDF0;border-radius:var(--r-inner);padding:18px 20px;
  overflow-x:auto;margin:20px 0;font-size:14px;line-height:1.7;
}
.content-prose pre code{background:none;border:0;padding:0;color:inherit}
.content-prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;display:block;overflow-x:auto}
.content-prose th,.content-prose td{border-bottom:1px solid var(--border);padding:11px 14px;text-align:left;white-space:nowrap}
.content-prose th{background:#F7F8F5;font-weight:600;color:var(--text-2)}
.content-prose hr{border:0;border-top:1px solid var(--border);margin:32px 0}

/* 无内容空态 */
.empty-state{
  border:1px dashed var(--border);border-radius:var(--r-inner);padding:48px 24px;text-align:center;background:#FBFCFA;
}
.empty-state .empty-ico{
  width:62px;height:62px;border-radius:20px;background:var(--brand-light);color:var(--brand-deep);
  display:grid;place-items:center;font-size:22px;margin:0 auto 16px;
}
.empty-state strong{display:block;font-size:19px;margin-bottom:8px}
.empty-state p{font-size:14px;color:var(--text-2);margin-bottom:20px}

/* ============ 侧栏 ============ */
.article-aside{position:sticky;top:106px;display:flex;flex-direction:column;gap:18px}
.aside-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:22px 20px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;
}
.aside-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.aside-card h3{font-size:15px;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.aside-card h3::before{content:"";width:4px;height:14px;border-radius:4px;background:var(--grad)}
.aside-links li+li{margin-top:2px}
.aside-links a{
  display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2);
  padding:9px 10px;border-radius:12px;transition:background .2s ease,color .2s ease;
}
.aside-links a i{color:var(--brand);width:16px;text-align:center;font-size:13px}
.aside-links a:hover{background:#F2FBF7;color:var(--brand-deep)}
.aside-note{font-size:13px;color:var(--text-2);line-height:1.85}
.aside-card-dark{background:var(--dark);border-color:var(--dark);color:#EDEDF0}
.aside-card-dark h3{color:#fff}
.aside-card-dark h3::before{background:var(--grad)}
.aside-card-dark .aside-note{color:#9C9DA6}
.live-dot{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#7FE7C4;font-weight:600;margin-bottom:10px;
}
.live-dot span{width:8px;height:8px;border-radius:50%;background:#2BD9A8;box-shadow:0 0 0 4px rgba(43,217,168,.18)}

/* ============ 标签行 ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;padding-top:22px;border-top:1px solid var(--border)}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;color:#B85C1B;background:#FFF3EA;
  border:1px solid rgba(255,138,61,.4);border-radius:var(--r-pill);padding:5px 13px;transition:background .2s ease;
}
.tag:hover{background:#FFE9D8}

/* ============ 相关推荐 ============ */
.related{padding-top:var(--sec-pad)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:26px;flex-wrap:wrap}
.section-head h2{font-size:28px;font-weight:700;letter-spacing:-.01em;line-height:1.35}
.section-head p{font-size:14px;color:var(--text-3);margin-top:8px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.post-card{
  display:flex;flex-direction:column;gap:14px;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-card);padding:16px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(15,185,138,.35)}
.post-card:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.post-thumb{aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:var(--brand-light)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-card h3{
  font-size:18px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .desc{
  font-size:14px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;
  font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;
}
.post-foot .arrow{color:var(--brand);transition:transform .2s ease}
.post-card:hover .post-foot .arrow{transform:translateX(3px)}

/* ============ CTA ============ */
.cta-band{padding-top:var(--sec-pad)}
.cta-card{
  position:relative;overflow:hidden;border-radius:28px;background:var(--grad);color:#fff;
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  box-shadow:0 26px 60px -30px rgba(15,185,138,.7);
}
.cta-card::after{
  content:"";position:absolute;right:-70px;top:-90px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.16);filter:blur(2px);
}
.cta-card::before{
  content:"";position:absolute;left:-60px;bottom:-110px;width:220px;height:220px;border-radius:50%;
  background:rgba(255,255,255,.1);
}
.cta-copy{position:relative;z-index:1;max-width:640px}
.cta-copy h2{font-size:28px;font-weight:700;letter-spacing:-.01em;line-height:1.35}
.cta-copy p{font-size:15px;margin-top:12px;opacity:.94;line-height:1.8}
.cta-actions{position:relative;z-index:1;display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.cta-actions small{font-size:12px;opacity:.86}
.cta-badge{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.35);
  border-radius:var(--r-pill);padding:6px 14px;font-size:12px;margin-top:16px;
}
.cta-badge b{font-size:15px;font-variant-numeric:tabular-nums}

/* ============ 页脚 ============ */
.site-footer{position:relative;margin-top:var(--sec-pad);background:var(--dark);color:#EDEDF0}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px;padding:64px 0 34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand strong{font-size:17px;color:#fff;letter-spacing:-.01em}
.footer-col h4{font-size:13px;font-weight:600;letter-spacing:.14em;color:#9C9DA6;margin-bottom:16px}
.footer-col ul li a{font-size:14px;color:#EDEDF0;line-height:2.1;transition:color .2s ease}
.footer-col ul li a:hover{color:#7FE7C4}
.footer-col p{font-size:13px;color:#9C9DA6;line-height:1.9}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:18px 0 30px;
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:12px;color:#9C9DA6;
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:calc(100% + 10px);background:#fff;
    border:1px solid var(--border);border-radius:20px;box-shadow:var(--sh-nav);
    padding:12px;flex-direction:column;align-items:stretch;gap:6px;
  }
  .nav-links.open{display:flex}
  .nav-item{padding:12px 14px}
  .nav-item .ico{width:30px;height:30px;font-size:13px}
  .nav-toggle{display:inline-flex}
  .brand-sub{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .article-aside{display:none}
  .article-shell{max-width:100%;padding:30px 24px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;padding:52px 0 30px}
}
@media (max-width:767px){
  :root{--sec-pad:56px}
  .site-header{top:8px;padding:0 14px}
  .nav-panel{padding:9px 12px;border-radius:18px}
  .brand-text{font-size:15px}
  .nav-cta .btn{display:none}
  .page-head{padding:26px 0 4px}
  .page-head h1{font-size:28px;line-height:1.36}
  .meta-row{gap:8px}
  .meta-item{font-size:12px;padding:6px 12px}
  .article-shell{padding:24px 18px;border-radius:18px}
  .content-prose{font-size:16px;line-height:1.85}
  .content-prose h2{font-size:21px;margin-top:32px}
  .content-prose h3{font-size:18px;margin-top:24px}
  .section-head h2{font-size:22px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .cta-card{padding:30px 22px;border-radius:22px}
  .cta-copy h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:44px 0 24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:400px){
  .btn{padding:12px 18px;font-size:14px}
  .brand-text{font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
    --brand:#0FB98A;
    --brand-dark:#087A5C;
    --brand-light:#E6F8F2;
    --accent:#FF8A3D;
    --violet:#5B3DF5;
    --bg:#F6F7F4;
    --card:#FFFFFF;
    --line:#E7E6E0;
    --ink:#1B1B22;
    --ink-2:#55565F;
    --ink-3:#8A8B94;
    --dark:#14121A;
    --r-lg:22px;
    --r-md:16px;
    --r-sm:12px;
    --r-pill:999px;
    --sh-1:0 2px 4px rgba(20,18,26,.04);
    --sh-2:0 18px 40px -18px rgba(8,122,92,.22);
    --sh-nav:0 10px 30px -14px rgba(20,18,26,.18);
    --grad:linear-gradient(135deg,#0FB98A 0%,#2BD9A8 48%,#5B3DF5 100%);
    --grad-btn:linear-gradient(90deg,#0FB98A,#12C9A0);
  }

  /* ===== 基础 reset ===== */
  *,*::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:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em;}
  h1{font-size:40px;}
  h2{font-size:28px;}
  h3{font-size:19px;}
  p{margin:0;}
  button{font:inherit;cursor:pointer;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px;}
  .num{font-variant-numeric:tabular-nums;}
  @media (prefers-reduced-motion: reduce){
    *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
  }

  /* ===== 布局基础 ===== */
  .container{max-width:1180px;margin:0 auto;padding:0 20px;width:100%;}
  .section{padding:88px 0;}
  .section-tight{padding:56px 0 0;}
  .section-head{max-width:720px;margin-bottom:36px;}
  .section-head h2{margin-bottom:12px;}
  .section-head p{color:var(--ink-2);font-size:16px;}

  /* ===== 顶部卡片化导航面板 ===== */
  .site-header{position:sticky;top:12px;z-index:80;padding:0 20px;}
  .nav-panel{
    max-width:1180px;margin:0 auto;
    background:#fff;border:1px solid var(--line);border-radius:20px;
    box-shadow:var(--sh-nav);
    display:flex;align-items:center;gap:16px;
    padding:10px 14px;position:relative;
  }
  .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;white-space:nowrap;flex:none;}
  .brand-mark{
    width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;
    display:grid;place-items:center;font-size:16px;flex:none;
  }
  .nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
  .nav-item{
    display:flex;align-items:center;gap:8px;
    padding:8px 13px;border-radius:var(--r-pill);
    font-size:14px;color:var(--ink-2);
    border:1px solid transparent;white-space:nowrap;
    transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
  }
  .nav-item .ico{
    width:26px;height:26px;border-radius:9px;
    background:var(--brand-light);color:var(--brand-dark);
    display:grid;place-items:center;font-size:12px;
    transition:background .2s ease,color .2s ease;flex:none;
  }
  .nav-item:hover{background:#F2FBF7;color:var(--ink);border-color:#D8F1E8;}
  .nav-item:hover .ico{background:var(--brand);color:#fff;}
  .nav-item.active{background:#F2FBF7;color:var(--brand-dark);font-weight:600;border-color:#CDEEE2;}
  .nav-item.active .ico{background:var(--brand);color:#fff;}
  .nav-actions{display:flex;align-items:center;gap:10px;flex:none;}
  .nav-cta{padding:11px 22px;font-size:14px;}
  .nav-cta-mobile{display:none;}
  .nav-toggle{
    display:none;width:42px;height:42px;border-radius:12px;
    border:1px solid var(--line);background:#fff;color:var(--ink);
    place-items:center;font-size:16px;transition:.2s ease;
  }
  .nav-toggle:hover{background:#F2FBF7;color:var(--brand-dark);}
  .nav-toggle:active{transform:scale(.96);}

  /* ===== 按钮 ===== */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:13px 26px;border-radius:var(--r-pill);
    font-size:15px;font-weight:600;border:1px solid transparent;
    transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease;
    text-align:center;
  }
  .btn-primary{
    background:var(--grad-btn);color:#fff;
    box-shadow:0 10px 22px -12px rgba(15,185,138,.85),inset 0 1px 0 rgba(255,255,255,.28);
  }
  .btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(15,185,138,.9);}
  .btn-primary:active{transform:scale(.98);}
  .btn-ghost{background:#fff;color:var(--brand-dark);border-color:#BFE8DA;}
  .btn-ghost:hover{background:#F2FBF7;transform:translateY(-2px);}
  .btn-ghost:active{transform:scale(.98);}
  .btn-light{background:#fff;color:var(--brand-dark);}
  .btn-light:hover{transform:translateY(-2px);box-shadow:0 14px 26px -14px rgba(0,0,0,.35);}
  .btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.65);}
  .btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
  .btn.is-disabled,.btn[disabled]{opacity:.4;pointer-events:none;}
  .btn-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}

  /* ===== 标签 / 徽章 ===== */
  .tag{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 14px;border-radius:var(--r-pill);
    background:var(--brand-light);color:var(--brand-dark);
    font-size:13px;font-weight:600;
  }
  .tag-accent{background:#FFF2E9;color:#C25A16;border:1px solid #FFD9BE;background:transparent;}
  .badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
  .badge{
    display:flex;align-items:center;gap:10px;
    background:#fff;border:1px solid var(--line);
    border-radius:var(--r-pill);padding:9px 18px;box-shadow:var(--sh-1);
  }
  .badge .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none;}
  .badge strong{font-size:20px;line-height:1;font-variant-numeric:tabular-nums;}
  .badge span{font-size:12px;color:var(--ink-3);}

  /* ===== 面包屑 ===== */
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:22px;flex-wrap:wrap;}
  .breadcrumb a{color:var(--ink-2);transition:color .2s ease;}
  .breadcrumb a:hover{color:var(--brand-dark);text-decoration:underline;}
  .breadcrumb .sep{color:#C9CAC4;}
  .breadcrumb .current{color:var(--brand-dark);font-weight:600;}

  /* ===== 分类页 Hero ===== */
  .hero-cat{position:relative;overflow:hidden;padding:26px 0 70px;}
  .hero-cat::before{
    content:"";position:absolute;inset:0;z-index:0;
    background:linear-gradient(180deg,rgba(246,247,244,.90),rgba(246,247,244,.97)),
               url(/assets/images/backpic/back-1.png) center/cover no-repeat;
  }
  .hero-cat::after{
    content:"";position:absolute;width:560px;height:560px;right:-160px;top:-220px;
    border-radius:50%;background:radial-gradient(circle,rgba(15,185,138,.30),rgba(91,61,245,.06) 55%,transparent 70%);
    z-index:0;pointer-events:none;
  }
  .hero-cat .container{position:relative;z-index:1;}
  .hero-grid{display:grid;grid-template-columns:1.35fr .9fr;gap:44px;align-items:center;}
  .hero-eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 16px;border-radius:var(--r-pill);
    background:#fff;border:1px solid #D8F1E8;color:var(--brand-dark);
    font-size:13px;font-weight:600;margin-bottom:18px;
  }
  .hero-cat h1{margin-bottom:16px;letter-spacing:-.02em;}
  .hero-lead{font-size:17px;color:var(--ink-2);max-width:640px;}
  .hero-cat .btn-row{margin-top:28px;}

  .status-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    padding:24px;box-shadow:var(--sh-2);
  }
  .status-card h2{font-size:16px;margin-bottom:8px;}
  .status-card .status-note{font-size:13px;color:var(--ink-3);margin-bottom:8px;}
  .status-item{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line);}
  .status-item:last-of-type{border-bottom:0;}
  .status-item .label{font-size:15px;font-weight:600;color:var(--ink);}
  .status-item .value{margin-left:auto;font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums;white-space:nowrap;}
  .lamp{width:10px;height:10px;border-radius:50%;flex:none;}
  .lamp.green{background:#0FB98A;box-shadow:0 0 0 4px rgba(15,185,138,.16);}
  .lamp.orange{background:#FF8A3D;box-shadow:0 0 0 4px rgba(255,138,61,.18);}
  .lamp.gray{background:#C9CAC4;box-shadow:0 0 0 4px rgba(138,139,148,.14);}

  /* ===== 左图右文交替区块 ===== */
  .media-row{
    display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
    gap:48px;align-items:center;padding:40px 0;
  }
  .media-row + .media-row{border-top:1px solid var(--line);}
  .media-row.reverse .media-fig{order:2;}
  .media-fig{
    margin:0;border-radius:var(--r-lg);overflow:hidden;
    border:1px solid var(--line);box-shadow:var(--sh-2);
    aspect-ratio:4/3;background:#fff;
  }
  .media-fig img{width:100%;height:100%;object-fit:cover;}
  .media-body h2{margin:14px 0 12px;}
  .media-body p{color:var(--ink-2);}
  .check-list{margin-top:18px;display:grid;gap:11px;}
  .check-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-2);}
  .check-list li i{color:var(--brand);margin-top:5px;font-size:13px;flex:none;}
  .text-link{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--brand-dark);font-size:14px;font-weight:600;
    margin-top:18px;transition:color .2s ease,gap .2s ease;
  }
  .text-link:hover{color:var(--violet);gap:10px;}

  /* ===== 三步清单 ===== */
  .steps-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .step-list{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:22px;margin-top:8px;}
  .step{
    background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:28px 24px;box-shadow:var(--sh-1);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CDEEE2;background:#fff;}
  .step-num{
    display:block;font-size:44px;font-weight:700;line-height:1;
    background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
    font-variant-numeric:tabular-nums;
  }
  .step h3{margin:16px 0 8px;}
  .step p{font-size:15px;color:var(--ink-2);}

  /* ===== 线路对照卡 ===== */
  .line-grid{display:grid;grid-template-columns:1.2fr 1fr .9fr;gap:20px;align-items:stretch;}
  .line-card{
    display:flex;flex-direction:column;gap:10px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    padding:26px 24px;box-shadow:var(--sh-1);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .line-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CDEEE2;}
  .line-card.primary{border-color:#BFE8DA;background:linear-gradient(180deg,#F4FCF8,#fff 46%);}
  .line-card h3{display:flex;align-items:center;gap:8px;}
  .line-card p{font-size:14.5px;color:var(--ink-2);}
  .line-card .metric{font-size:26px;font-weight:700;font-variant-numeric:tabular-nums;}
  .line-card .metric small{font-size:13px;font-weight:500;color:var(--ink-3);margin-left:4px;}

  /* ===== FAQ 折叠 ===== */
  .faq-list{max-width:900px;}
  .faq-item{
    position:relative;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-md);margin-bottom:14px;padding:0 24px;
    overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
  }
  .faq-item:hover{border-color:#CDEEE2;box-shadow:var(--sh-1);}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
    padding:20px 0;font-size:16px;font-weight:600;color:var(--ink);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .qa-num{
    width:28px;height:28px;border-radius:9px;background:var(--brand-light);color:var(--brand-dark);
    display:grid;place-items:center;font-size:13px;font-weight:700;flex:none;
  }
  .pm{
    margin-left:auto;width:28px;height:28px;border-radius:50%;
    border:1px solid var(--line);display:grid;place-items:center;
    color:var(--brand-dark);font-size:12px;flex:none;
    transition:transform .24s ease,background .24s ease,color .24s ease,border-color .24s ease;
  }
  .faq-item[open] .pm{transform:rotate(45deg);background:var(--brand);color:#fff;border-color:var(--brand);}
  .faq-item[open]::before{
    content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
    border-radius:3px;background:var(--grad);
  }
  .faq-answer{
    font-size:15px;color:var(--ink-2);line-height:1.85;
    padding:0 0 22px 42px;border-top:1px solid var(--line);
    padding-top:14px;max-width:760px;
  }

  /* ===== CTA ===== */
  .cta-card{
    position:relative;overflow:hidden;
    border-radius:26px;padding:48px 44px;
    background:var(--grad);color:#fff;
    display:grid;grid-template-columns:1.4fr .9fr;gap:34px;align-items:center;
    box-shadow:0 26px 54px -26px rgba(8,122,92,.55);
  }
  .cta-card::after{
    content:"";position:absolute;width:420px;height:420px;right:-120px;bottom:-220px;
    border-radius:50%;background:rgba(255,255,255,.14);pointer-events:none;
  }
  .cta-card .cta-body{position:relative;z-index:1;}
  .cta-card h2{margin-bottom:12px;color:#fff;}
  .cta-card p{color:rgba(255,255,255,.9);font-size:15.5px;max-width:600px;}
  .cta-actions{position:relative;z-index:1;display:flex;flex-direction:column;gap:12px;}
  .cta-actions .btn{width:100%;}
  .cta-hint{font-size:12.5px;color:rgba(255,255,255,.82);text-align:center;}
  .cta-metric{
    display:inline-flex;align-items:center;gap:10px;margin-top:20px;
    background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);
    border-radius:var(--r-pill);padding:8px 18px;
  }
  .cta-metric strong{font-size:20px;font-variant-numeric:tabular-nums;color:#fff;}
  .cta-metric span{font-size:12px;color:rgba(255,255,255,.85);}

  /* ===== 页脚 ===== */
  .site-footer{
    position:relative;background:var(--dark);color:#EDEDF0;
    margin-top:88px;padding:64px 0 28px;
  }
  .site-footer::before{
    content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad);
  }
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
  .footer-col h4{font-size:13px;color:#fff;letter-spacing:.06em;margin-bottom:16px;}
  .footer-col ul{display:grid;gap:10px;}
  .footer-col a{font-size:14px;color:#C8C9D2;transition:color .2s ease;}
  .footer-col a:hover{color:#7FE3C3;}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:17px;}
  .footer-brand .brand-mark{width:34px;height:34px;border-radius:11px;font-size:14px;}
  .footer-col p{font-size:13px;color:#9C9DA6;line-height:1.8;}
  .footer-bottom{
    display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
    margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
    font-size:12px;color:#8B8C96;
  }

  /* ===== 响应式 ===== */
  @media (max-width:1023px){
    .nav-panel{flex-wrap:wrap;}
    .nav-links{
      display:none;
      position:absolute;left:12px;right:12px;top:calc(100% + 10px);
      background:#fff;border:1px solid var(--line);border-radius:20px;
      box-shadow:var(--sh-nav);padding:12px;
      flex-direction:column;align-items:stretch;gap:8px;margin-left:0;
    }
    .nav-links.open{display:flex;}
    .nav-item{justify-content:flex-start;padding:12px 14px;font-size:15px;}
    .nav-toggle{display:grid;margin-left:auto;}
    .nav-cta{display:none;}
    .nav-cta-mobile{
      display:flex;justify-content:center;
      background:var(--grad-btn);color:#fff;border-radius:var(--r-pill);
      font-weight:600;box-shadow:0 12px 24px -14px rgba(15,185,138,.85);
    }
    .nav-cta-mobile .ico{background:rgba(255,255,255,.2);color:#fff;}
    .nav-cta-mobile:hover{background:var(--grad-btn);color:#fff;}
    .nav-cta-mobile:hover .ico{background:rgba(255,255,255,.2);color:#fff;}

    .hero-grid{grid-template-columns:1fr;gap:32px;}
    .media-row{grid-template-columns:1fr;gap:24px;padding:32px 0;}
    .media-row.reverse .media-fig{order:0;}
    .step-list{grid-template-columns:1fr 1fr;}
    .line-grid{grid-template-columns:1fr 1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;}
    .cta-card{grid-template-columns:1fr;padding:38px 28px;}
  }

  @media (max-width:767px){
    h1{font-size:30px;}
    h2{font-size:23px;}
    .section{padding:60px 0;}
    .hero-cat{padding:18px 0 52px;}
    .badge-row{gap:10px;}
    .badge{padding:8px 14px;}
    .badge strong{font-size:18px;}
    .step-list{grid-template-columns:1fr;}
    .line-grid{grid-template-columns:1fr;}
    .cta-card{padding:32px 22px;border-radius:22px;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
    .site-footer{margin-top:60px;padding:48px 0 24px;}
  }

  @media (max-width:520px){
    h1{font-size:26px;}
    .hero-lead{font-size:15.5px;}
    .btn{width:100%;padding:13px 20px;}
    .btn-row{flex-direction:column;align-items:stretch;}
    .faq-answer{padding-left:0;}
    .status-item{flex-wrap:wrap;}
    .status-item .value{margin-left:0;width:100%;padding-left:22px;}
    .footer-bottom{flex-direction:column;}
  }

/* roulang page: category2 */
:root{
  --brand:#0FB98A;
  --brand-deep:#087A5C;
  --brand-light:#E6F8F2;
  --accent:#FF8A3D;
  --violet:#5B3DF5;
  --bg:#F6F7F4;
  --card:#FFFFFF;
  --line:#E7E6E0;
  --text:#1B1B22;
  --text-2:#55565F;
  --text-3:#8A8B94;
  --dark:#14121A;
  --grad:linear-gradient(135deg,#0FB98A 0%,#2BD9A8 48%,#5B3DF5 100%);
  --grad-btn:linear-gradient(90deg,#0FB98A,#12C9A0);
  --r-card:22px;
  --r-sm:16px;
  --r-pill:999px;
  --sh-1:0 2px 4px rgba(20,18,26,.04);
  --sh-2:0 18px 40px -18px rgba(8,122,92,.22);
  --sh-nav:0 10px 30px -14px rgba(20,18,26,.18);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;word-break:break-word}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{max-width:1180px;margin:0 auto;padding:0 20px}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;padding:12px 0}
.nav-panel{
  display:flex;align-items:center;gap:14px;
  background:#fff;border:1px solid var(--line);
  border-radius:20px;box-shadow:var(--sh-nav);
  padding:10px 14px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-size:16px;flex:0 0 auto;
}
.brand-text strong{display:block;font-size:16px;font-weight:700;line-height:1.25}
.brand-text em{display:block;font-style:normal;font-size:12px;color:var(--text-3);line-height:1.4}
.nav-links{display:flex;gap:4px;flex:1 1 auto;justify-content:center;flex-wrap:wrap}
.nav-item{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 11px;border-radius:12px;font-size:14px;color:var(--text-2);
  border:1px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.nav-item .ico{
  width:22px;height:22px;border-radius:8px;background:var(--brand-light);
  color:var(--brand-deep);display:grid;place-items:center;font-size:11px;
  transition:background .2s ease,color .2s ease;
}
.nav-item:hover{background:#F2FBF7;color:var(--text);border-color:#DFF3EA}
.nav-item:hover .ico{background:var(--brand);color:#fff}
.nav-item.active{background:#F2FBF7;color:var(--brand-deep);border-color:#CDEEE0;font-weight:600}
.nav-item.active .ico{background:var(--brand);color:#fff}
.nav-item:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.nav-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--text);font-size:15px;align-items:center;justify-content:center;
  cursor:pointer;transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:#F2FBF7;border-color:#CDEEE0}
.nav-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.mobile-nav{display:none;margin-top:10px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--sh-nav);padding:12px}
.mobile-nav.open{display:block}
.mobile-nav .nav-links{flex-direction:column;align-items:stretch;gap:4px;justify-content:flex-start}
.mobile-nav .nav-item{justify-content:flex-start;width:100%}
.mobile-nav .nav-cta{margin-top:10px}
.mobile-nav .nav-cta .btn{width:100%;justify-content:center}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;font-size:15px;line-height:1;
  padding:13px 24px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,filter .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-primary{
  background:var(--grad-btn);color:#fff;
  box-shadow:0 12px 26px -14px rgba(15,185,138,.75),inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;border-color:#BFE7D6;color:var(--brand-deep);box-shadow:var(--sh-1)}
.btn-ghost:hover{background:#F2FBF7;border-color:var(--brand);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-text{color:var(--brand-deep);padding:6px 2px;font-size:15px;background:none;border:none}
.btn-text:hover{text-decoration:underline}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn-sm{padding:9px 16px;font-size:14px}

/* ============ 通用板块 ============ */
.section{padding:72px 0}
.section-tight{padding:52px 0}
.sec-head{max-width:720px;margin-bottom:32px}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;
  color:var(--brand-deep);background:var(--brand-light);border-radius:var(--r-pill);
  padding:5px 12px;margin-bottom:14px;letter-spacing:.3px;
}
.sec-title{font-size:28px;font-weight:700;line-height:1.35}
.sec-sub{margin-top:12px;font-size:15px;color:var(--text-2)}
.sec-split{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.sec-split .sec-head{margin-bottom:0}

/* ============ 面包屑 ============ */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);flex-wrap:wrap}
.crumb a{color:var(--text-2);transition:color .2s ease}
.crumb a:hover{color:var(--brand-deep)}
.crumb .sep{color:#C9C9C2}
.crumb .now{color:var(--brand-deep);font-weight:600}

/* ============ 小 Hero ============ */
.page-hero{position:relative;z-index:0;padding:44px 0 56px;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  opacity:.10;
}
.page-hero::after{
  content:"";position:absolute;z-index:-1;width:520px;height:520px;border-radius:50%;
  right:-160px;top:-200px;filter:blur(90px);opacity:.28;
  background:linear-gradient(135deg,#0FB98A,#5B3DF5);
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:36px;align-items:center}
.hero-title{font-size:40px;font-weight:700;line-height:1.22;letter-spacing:-.6px;margin-top:16px}
.hero-title .mark{
  background:linear-gradient(180deg,transparent 62%,rgba(15,185,138,.28) 62%);
  padding:0 2px;
}
.hero-lead{margin-top:16px;font-size:17px;color:var(--text-2);max-width:560px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.hero-points{display:flex;gap:18px;flex-wrap:wrap;margin-top:24px}
.hero-point{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2)}
.hero-point i{color:var(--brand);font-size:13px}
.hero-visual{position:relative}
.hero-card{
  position:relative;border-radius:24px;padding:6px;background:var(--grad);
  box-shadow:0 26px 60px -30px rgba(8,122,92,.5);
}
.hero-card img{border-radius:20px;width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-float{
  position:absolute;left:-14px;bottom:22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);padding:10px 16px;box-shadow:var(--sh-2);
  display:flex;align-items:center;gap:10px;
}
.hero-float .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero-float b{font-size:18px;font-variant-numeric:tabular-nums}
.hero-float span{font-size:12px;color:var(--text-3)}

/* ============ 数据徽章 ============ */
.badge-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px}
.badge{
  display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);padding:10px 18px;box-shadow:var(--sh-1);
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 auto}
.badge b{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--brand-deep)}
.badge span{font-size:12px;color:var(--text-3)}

/* ============ 时间线 ============ */
.timeline{margin-top:8px}
.tl-item{display:grid;grid-template-columns:56px 1fr;gap:20px;position:relative;padding-bottom:26px}
.tl-item::before{
  content:"";position:absolute;left:27px;top:60px;bottom:0;width:2px;
  background:linear-gradient(180deg,#CDEEE0,#E7E6E0);
}
.tl-item:last-child{padding-bottom:0}
.tl-item:last-child::before{display:none}
.tl-dot{
  width:56px;height:56px;border-radius:50%;background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;font-size:16px;font-weight:700;color:var(--brand-deep);
  box-shadow:var(--sh-1);font-variant-numeric:tabular-nums;
}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:20px 22px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CDEEE0}
.tl-card h3{font-size:19px;font-weight:700}
.tl-card p{margin-top:8px;font-size:15px;color:var(--text-2)}
.tl-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  color:var(--brand-deep);background:var(--brand-light);border-radius:var(--r-pill);
  padding:4px 11px;
}
.tag.warm{color:#B3541C;background:#FFF2E8}

/* ============ 卡片网格 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.device-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.device-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CDEEE0}
.device-ico{
  width:44px;height:44px;border-radius:14px;background:var(--brand-light);color:var(--brand-deep);
  display:grid;place-items:center;font-size:18px;margin-bottom:16px;
}
.device-card h3{font-size:19px;font-weight:700}
.device-card p{margin-top:8px;font-size:14px;color:var(--text-2)}
.dot-list{margin-top:16px;display:grid;gap:10px}
.dot-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.65}
.dot-list li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);
  margin-top:8px;flex:0 0 auto;
}
.check-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:20px;box-shadow:var(--sh-1);display:flex;gap:14px;align-items:flex-start;
  transition:transform .22s ease,box-shadow .22s ease;
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.check-ico{
  width:36px;height:36px;border-radius:11px;background:#F2FBF7;color:var(--brand-deep);
  display:grid;place-items:center;font-size:14px;flex:0 0 auto;
}
.check-card h3{font-size:16px;font-weight:700}
.check-card p{margin-top:6px;font-size:13px;color:var(--text-3);line-height:1.6}

/* ============ 展示条 ============ */
.showcase{
  display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
}
.showcase img{border-radius:var(--r-sm);width:100%;aspect-ratio:4/3;object-fit:cover}
.showcase h3{font-size:22px;font-weight:700}
.showcase p{margin-top:12px;font-size:15px;color:var(--text-2)}
.showcase .mini-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}

/* ============ FAQ ============ */
.faq-list{counter-reset:faq;display:grid;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  box-shadow:var(--sh-1);overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item[open]{border-color:#CDEEE0;box-shadow:var(--sh-2)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:18px 22px;transition:background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#FAFDFB}
.faq-item summary::before{
  counter-increment:faq;content:"0" counter(faq);
  font-size:12px;font-weight:700;color:var(--brand-deep);background:var(--brand-light);
  border-radius:var(--r-pill);padding:3px 9px;flex:0 0 auto;font-variant-numeric:tabular-nums;
}
.faq-item summary::after{
  content:"+";margin-left:auto;font-size:20px;line-height:1;color:var(--brand-deep);
  transition:transform .22s ease,color .22s ease;flex:0 0 auto;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-item summary:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.faq-q{font-size:16px;font-weight:700;line-height:1.5}
.faq-body{position:relative;padding:4px 24px 22px 56px;border-top:1px solid #F1F1EC}
.faq-body::before{
  content:"";position:absolute;left:24px;top:12px;bottom:16px;width:3px;border-radius:2px;
  background:var(--grad);
}
.faq-body p{font-size:15px;color:var(--text-2);line-height:1.85}

/* ============ CTA ============ */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-card);
  background:var(--grad);color:#fff;padding:38px 34px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:0 30px 60px -34px rgba(91,61,245,.55);
}
.cta-card::after{
  content:"";position:absolute;right:-60px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.16);filter:blur(10px);
}
.cta-copy{position:relative;z-index:1;max-width:560px}
.cta-copy h2{font-size:26px;font-weight:700;line-height:1.35}
.cta-copy p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.9)}
.cta-actions{position:relative;z-index:1;display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.cta-actions .btn-light{background:#fff;color:var(--brand-deep);border-color:#fff}
.cta-actions .btn-light:hover{filter:brightness(.97);transform:translateY(-2px)}
.cta-actions .btn-outline{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.6);color:#fff}
.cta-actions .btn-outline:hover{background:rgba(255,255,255,.24);transform:translateY(-2px)}
.cta-note{font-size:12px;color:rgba(255,255,255,.82)}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#EDEDF0;margin-top:76px;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:32px;padding:56px 0 34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:12px}
.footer-brand strong{font-size:17px}
.footer-col p{font-size:14px;color:#9C9DA6;line-height:1.8}
.footer-col h4{font-size:13px;letter-spacing:1px;color:#fff;margin-bottom:14px;font-weight:700}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{font-size:14px;color:#C7C8D0;transition:color .2s ease}
.footer-col ul a:hover{color:#7FE7C4}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:18px 0 26px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12px;color:#8A8B94;
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-panel{justify-content:space-between}
  .nav-actions .btn{display:none}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-title{font-size:32px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .showcase{grid-template-columns:1fr;gap:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:639px){
  .section{padding:52px 0}
  .section-tight{padding:40px 0}
  .page-hero{padding:30px 0 42px}
  .hero-title{font-size:27px}
  .hero-lead{font-size:15px}
  .sec-title{font-size:22px}
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr}
  .badge-row{gap:10px}
  .badge{padding:9px 14px}
  .badge b{font-size:18px}
  .tl-item{grid-template-columns:44px 1fr;gap:14px}
  .tl-dot{width:44px;height:44px;font-size:14px}
  .tl-item::before{left:21px;top:48px}
  .tl-card{padding:18px}
  .faq-item summary{padding:16px;gap:10px}
  .faq-body{padding:4px 18px 20px 42px}
  .faq-body::before{left:18px}
  .cta-card{padding:28px 22px}
  .cta-copy h2{font-size:21px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;padding:44px 0 28px}
  .hero-float{left:8px;bottom:12px;padding:8px 13px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
    --brand:#0FB98A;
    --brand-deep:#087A5C;
    --brand-soft:#E6F8F2;
    --brand-soft2:#F2FBF7;
    --honey:#FF8A3D;
    --violet:#5B3DF5;
    --bg:#F6F7F4;
    --card:#FFFFFF;
    --border:#E7E6E0;
    --line:#EFEEE9;
    --text:#1B1B22;
    --text-2:#55565F;
    --text-3:#8A8B94;
    --dark:#14121A;
    --grad-brand:linear-gradient(135deg,#0FB98A 0%,#2BD9A8 48%,#5B3DF5 100%);
    --grad-btn:linear-gradient(90deg,#0FB98A,#12C9A0);
    --r-card:22px;
    --r-inner:16px;
    --r-pill:999px;
    --sh-rest:0 2px 4px rgba(20,18,26,.04);
    --sh-hover:0 18px 40px -18px rgba(8,122,92,.22);
    --sh-nav:0 10px 30px -14px rgba(20,18,26,.18);
    --ease:180ms ease;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.75;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  h1,h2,h3{font-weight:700;letter-spacing:-0.01em;line-height:1.28;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px;}
  .num{font-variant-numeric:tabular-nums;}

  .container{
    width:100%;
    max-width:1180px;
    margin:0 auto;
    padding:0 20px;
  }

  /* ---------- header / nav ---------- */
  .site-header{
    position:sticky;
    top:12px;
    z-index:60;
    padding:0 20px;
  }
  .nav-panel{
    max-width:1180px;
    margin:0 auto;
    background:#FFFFFF;
    border:1px solid var(--border);
    border-radius:20px;
    box-shadow:var(--sh-nav);
    display:flex;
    align-items:center;
    gap:14px;
    padding:10px 14px;
    backdrop-filter:saturate(140%) blur(6px);
  }
  .brand{
    display:flex;
    align-items:center;
    gap:10px;
    flex:0 0 auto;
    padding-right:6px;
  }
  .brand-mark{
    width:38px;height:38px;
    border-radius:12px;
    background:var(--grad-brand);
    color:#fff;
    display:flex;align-items:center;justify-content:center;
    font-size:16px;
    box-shadow:0 8px 18px -10px rgba(8,122,92,.7);
    flex:0 0 auto;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.25;}
  .brand-text strong{font-size:15px;font-weight:700;letter-spacing:-0.01em;white-space:nowrap;}
  .brand-text em{font-style:normal;font-size:11px;color:var(--text-3);white-space:nowrap;}

  .nav-links{
    display:flex;
    align-items:center;
    gap:6px;
    margin-left:auto;
    flex-wrap:nowrap;
  }
  .nav-item{
    display:flex;
    align-items:center;
    gap:7px;
    padding:8px 12px;
    border-radius:12px;
    font-size:13.5px;
    color:var(--text-2);
    border:1px solid transparent;
    transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
    white-space:nowrap;
  }
  .nav-item .ico{
    width:22px;height:22px;
    border-radius:7px;
    background:var(--brand-soft);
    color:var(--brand-deep);
    display:flex;align-items:center;justify-content:center;
    font-size:11px;
    transition:background var(--ease),color var(--ease);
    flex:0 0 auto;
  }
  .nav-item:hover{background:var(--brand-soft2);color:var(--brand-deep);border-color:#DCF3EA;}
  .nav-item:hover .ico{background:var(--brand);color:#fff;}
  .nav-item:active{transform:scale(.98);}
  .nav-item.active{
    background:var(--brand-soft2);
    color:var(--brand-deep);
    border-color:#CDEFE2;
    font-weight:600;
  }
  .nav-item.active .ico{background:var(--brand);color:#fff;}

  .nav-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    border-radius:var(--r-pill);
    font-size:14px;
    font-weight:600;
    padding:11px 20px;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),filter var(--ease);
    white-space:nowrap;
  }
  .btn-primary{
    background:var(--grad-btn);
    color:#fff;
    box-shadow:inset 0 1px 0 rgba(255,255,255,.28),0 10px 22px -12px rgba(15,185,138,.85);
  }
  .btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 16px 30px -14px rgba(15,185,138,.9);}
  .btn-primary:active{transform:scale(.98);}
  .btn-ghost{
    background:#fff;
    color:var(--brand-deep);
    border-color:#BFE9DA;
  }
  .btn-ghost:hover{background:var(--brand-soft2);transform:translateY(-2px);}
  .btn-ghost:active{transform:scale(.98);}
  .btn-sm{padding:9px 16px;font-size:13.5px;}
  .btn-lg{padding:14px 26px;font-size:15px;}
  .btn:disabled,.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;}

  .nav-toggle{
    display:none;
    margin-left:auto;
    width:42px;height:42px;
    border-radius:12px;
    border:1px solid var(--border);
    background:#fff;
    color:var(--text);
    font-size:16px;
    align-items:center;justify-content:center;
    cursor:pointer;
    transition:background var(--ease),transform var(--ease);
  }
  .nav-toggle:hover{background:var(--brand-soft2);}
  .nav-toggle:active{transform:scale(.96);}

  .mobile-drawer{
    display:none;
    max-width:1180px;
    margin:10px auto 0;
    background:#fff;
    border:1px solid var(--border);
    border-radius:20px;
    box-shadow:var(--sh-nav);
    padding:14px;
  }
  .mobile-drawer.open{display:block;}
  .drawer-stack{display:flex;flex-direction:column;gap:8px;}
  .drawer-stack .nav-item{width:100%;padding:11px 12px;font-size:14px;}
  .drawer-stack .btn{width:100%;margin-top:6px;}

  /* ---------- hero ---------- */
  .page-hero{
    position:relative;
    margin-top:26px;
    border-radius:26px;
    overflow:hidden;
    background-image:linear-gradient(120deg,rgba(15,185,138,.90),rgba(43,217,168,.78) 46%,rgba(91,61,245,.72)),url('/assets/images/backpic/back-2.png');
    background-size:cover;
    background-position:center;
    color:#fff;
    padding:38px 34px 34px;
  }
  .page-hero::after{
    content:"";
    position:absolute;
    right:-90px;top:-90px;
    width:280px;height:280px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(255,255,255,.30),rgba(255,255,255,0) 70%);
    pointer-events:none;
  }
  .crumb{
    display:flex;align-items:center;gap:8px;
    font-size:12.5px;
    color:rgba(255,255,255,.86);
    margin-bottom:14px;
    flex-wrap:wrap;
  }
  .crumb a{color:#fff;border-bottom:1px solid rgba(255,255,255,.5);}
  .crumb a:hover{border-bottom-color:#fff;}
  .crumb span.sep{opacity:.66;}
  .hero-inner{
    display:grid;
    grid-template-columns:1.35fr .85fr;
    gap:28px;
    align-items:center;
    position:relative;
    z-index:2;
  }
  .hero-inner h1{
    font-size:36px;
    color:#fff;
    margin-bottom:14px;
    text-shadow:0 2px 12px rgba(8,60,45,.22);
  }
  .hero-lead{
    font-size:15.5px;
    color:rgba(255,255,255,.94);
    max-width:640px;
  }
  .hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
  .hero-tag{
    display:inline-flex;align-items:center;gap:6px;
    padding:6px 12px;
    border-radius:var(--r-pill);
    background:rgba(255,255,255,.16);
    border:1px solid rgba(255,255,255,.32);
    font-size:12.5px;
    color:#fff;
  }
  .hero-media{
    border-radius:20px;
    overflow:hidden;
    border:1px solid rgba(255,255,255,.4);
    box-shadow:0 24px 46px -22px rgba(6,40,30,.6);
    aspect-ratio:16/10;
    background:#fff;
  }
  .hero-media img{width:100%;height:100%;object-fit:cover;}

  /* ---------- badge strip ---------- */
  .badge-strip{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:14px;
    margin-top:-22px;
    position:relative;
    z-index:5;
    padding:0 6px;
  }
  .stat-pill{
    background:#fff;
    border:1px solid var(--border);
    border-radius:var(--r-pill);
    box-shadow:var(--sh-rest);
    display:flex;
    align-items:center;
    gap:9px;
    padding:12px 18px;
    transition:transform var(--ease),box-shadow var(--ease);
  }
  .stat-pill:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
  .stat-pill .dot{
    width:8px;height:8px;border-radius:50%;
    background:var(--honey);
    flex:0 0 auto;
    box-shadow:0 0 0 4px rgba(255,138,61,.16);
  }
  .stat-pill strong{
    font-size:19px;
    font-weight:700;
    font-variant-numeric:tabular-nums;
    color:var(--text);
  }
  .stat-pill span{font-size:12.5px;color:var(--text-2);}

  /* ---------- sections ---------- */
  .section{padding:72px 0 0;}
  .section:last-of-type{padding-bottom:0;}
  .section-head{max-width:720px;margin-bottom:30px;}
  .section-kicker{
    display:inline-flex;align-items:center;gap:7px;
    font-size:12.5px;
    font-weight:600;
    color:var(--brand-deep);
    background:var(--brand-soft);
    border:1px solid #D3F0E5;
    border-radius:var(--r-pill);
    padding:5px 13px;
    margin-bottom:14px;
  }
  .section-title{font-size:27px;margin-bottom:12px;}
  .section-sub{font-size:15px;color:var(--text-2);max-width:680px;}

  /* ---------- tile matrix ---------- */
  .tile-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:20px;
  }
  .tile{
    background:#fff;
    border:1px solid var(--border);
    border-radius:var(--r-card);
    padding:24px;
    box-shadow:var(--sh-rest);
    display:flex;
    gap:16px;
    align-items:flex-start;
    transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  }
  .tile:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#D6F1E7;}
  .tile-ico{
    width:46px;height:46px;
    border-radius:14px;
    background:var(--brand-soft);
    color:var(--brand-deep);
    display:flex;align-items:center;justify-content:center;
    font-size:18px;
    flex:0 0 auto;
    transition:background var(--ease),color var(--ease);
  }
  .tile:hover .tile-ico{background:var(--brand);color:#fff;}
  .tile h3{font-size:18px;margin-bottom:6px;}
  .tile p{font-size:14px;color:var(--text-2);}
  .tile .tagline{
    display:inline-flex;
    margin-top:12px;
    font-size:12px;
    color:var(--brand-deep);
    background:var(--brand-soft2);
    border:1px solid #D9F2E8;
    border-radius:var(--r-pill);
    padding:3px 10px;
  }

  /* ---------- compare table ---------- */
  .compare{
    background:#fff;
    border:1px solid var(--border);
    border-radius:var(--r-card);
    box-shadow:var(--sh-rest);
    overflow:hidden;
  }
  .compare-head{
    display:grid;
    grid-template-columns:1fr 1fr;
    background:var(--brand-soft);
    border-bottom:1px solid #D9F2E8;
  }
  .compare-head div{
    padding:14px 22px;
    font-size:13px;
    font-weight:700;
    color:var(--brand-deep);
    letter-spacing:.02em;
  }
  .compare-head div + div{border-left:1px solid #D9F2E8;}
  .compare-row{
    display:grid;
    grid-template-columns:1fr 1fr;
    border-bottom:1px solid var(--line);
    transition:background var(--ease);
  }
  .compare-row:last-child{border-bottom:none;}
  .compare-row:hover{background:#FBFCFA;}
  .compare-row div{
    padding:16px 22px;
    font-size:14.5px;
    display:flex;
    align-items:center;
    gap:10px;
    word-break:break-word;
  }
  .compare-row div + div{border-left:1px solid var(--line);}
  .compare-row .yes{color:var(--text);}
  .compare-row .no{color:var(--text-2);}
  .mark-yes,.mark-no{
    width:20px;height:20px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    font-size:10px;flex:0 0 auto;
  }
  .mark-yes{background:var(--brand-soft);color:var(--brand-deep);}
  .mark-no{background:#FFF1E6;color:#C4551A;}

  /* ---------- steps ---------- */
  .step-list{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:18px;
    counter-reset:step;
  }
  .step-item{
    position:relative;
    background:#fff;
    border:1px solid var(--border);
    border-radius:var(--r-card);
    padding:26px 24px;
    box-shadow:var(--sh-rest);
    transition:transform var(--ease),box-shadow var(--ease);
  }
  .step-item:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
  .step-no{
    font-size:34px;
    font-weight:700;
    line-height:1;
    font-variant-numeric:tabular-nums;
    background:var(--grad-brand);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
    margin-bottom:12px;
    display:block;
  }
  .step-item h3{font-size:17px;margin-bottom:8px;}
  .step-item p{font-size:14px;color:var(--text-2);}

  /* ---------- CTA band ---------- */
  .cta-band{
    margin-top:72px;
    border-radius:26px;
    background-image:linear-gradient(120deg,#0FB98A 0%,#2BD9A8 46%,#5B3DF5 100%);
    color:#fff;
    padding:38px 36px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:26px;
    box-shadow:0 26px 50px -28px rgba(15,185,138,.85);
    position:relative;
    overflow:hidden;
  }
  .cta-band::after{
    content:"";
    position:absolute;left:-60px;bottom:-120px;
    width:300px;height:300px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,255,255,.22),rgba(255,255,255,0) 70%);
  }
  .cta-band h2{font-size:25px;margin-bottom:10px;position:relative;z-index:2;}
  .cta-band p{font-size:14.5px;color:rgba(255,255,255,.92);max-width:560px;position:relative;z-index:2;}
  .cta-side{display:flex;flex-direction:column;align-items:flex-end;gap:10px;position:relative;z-index:2;flex:0 0 auto;}
  .cta-side .btn-primary{background:#fff;color:var(--brand-deep);box-shadow:0 14px 28px -16px rgba(6,40,30,.65);}
  .cta-side .btn-primary:hover{filter:none;background:#F2FBF7;}
  .cta-side small{font-size:12px;color:rgba(255,255,255,.86);}

  /* ---------- footer ---------- */
  .site-footer{
    margin-top:88px;
    background:var(--dark);
    color:#EDEDF0;
    position:relative;
    padding:56px 0 26px;
  }
  .site-footer::before{
    content:"";
    position:absolute;top:0;left:0;right:0;height:2px;
    background:var(--grad-brand);
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1.2fr;
    gap:30px;
    padding-bottom:34px;
    border-bottom:1px solid rgba(255,255,255,.1);
  }
  .footer-brand{
    display:flex;align-items:center;gap:10px;margin-bottom:14px;
  }
  .footer-brand .brand-mark{width:36px;height:36px;font-size:15px;}
  .footer-brand strong{font-size:16px;color:#fff;}
  .footer-col p{font-size:13.5px;color:#9C9DA6;line-height:1.8;max-width:340px;}
  .footer-col h4{
    font-size:13px;
    color:#fff;
    font-weight:700;
    letter-spacing:.06em;
    margin-bottom:14px;
  }
  .footer-col ul{display:flex;flex-direction:column;gap:9px;}
  .footer-col ul a{
    font-size:14px;
    color:#9C9DA6;
    transition:color var(--ease);
    word-break:break-word;
  }
  .footer-col ul a:hover{color:#7BEBC6;}
  .footer-bottom{
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:12px;
    flex-wrap:wrap;
    padding-top:20px;
    font-size:12px;
    color:#8A8B94;
  }

  /* ---------- responsive ---------- */
  @media (max-width:1023px){
    .nav-links,.nav-actions{display:none;}
    .nav-toggle{display:flex;}
    .hero-inner{grid-template-columns:1fr;}
    .page-hero{padding:30px 24px 28px;}
    .hero-inner h1{font-size:30px;}
    .badge-strip{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:18px;}
    .tile-grid{grid-template-columns:1fr;}
    .step-list{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;}
    .cta-band{flex-direction:column;align-items:flex-start;padding:30px 26px;}
    .cta-side{align-items:flex-start;width:100%;}
    .cta-side .btn{width:100%;}
  }
  @media (max-width:767px){
    .section{padding-top:52px;}
    .section-title{font-size:22px;}
    .site-header{top:8px;padding:0 12px;}
    .container{padding:0 16px;}
    .compare-head div,.compare-row div{padding:13px 14px;font-size:13.5px;}
    .compare-row div{flex-direction:row;align-items:flex-start;}
    .page-hero{padding:26px 18px 24px;border-radius:22px;}
    .hero-inner h1{font-size:25px;}
    .hero-lead{font-size:14.5px;}
    .badge-strip{gap:10px;}
    .stat-pill{padding:11px 14px;gap:7px;}
    .stat-pill strong{font-size:17px;}
    .tile{padding:20px;}
    .step-item{padding:22px 20px;}
    .footer-grid{grid-template-columns:1fr;gap:24px;}
    .site-footer{margin-top:60px;}
  }
  @media (max-width:519px){
    .badge-strip{grid-template-columns:1fr;}
    .compare-head{grid-template-columns:1fr;}
    .compare-head div + div{border-left:none;border-top:1px solid #D9F2E8;}
    .compare-row{grid-template-columns:1fr;}
    .compare-row div + div{border-left:none;border-top:1px dashed var(--line);}
    .cta-band{border-radius:20px;}
    .cta-band h2{font-size:21px;}
    .brand-text em{display:none;}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important;}
  }

/* roulang page: category4 */
:root{
  --brand:#0FB98A;
  --brand-deep:#087A5C;
  --brand-light:#E6F8F2;
  --brand-soft:#F2FBF7;
  --accent:#FF8A3D;
  --purple:#5B3DF5;
  --bg:#F6F7F4;
  --card:#FFFFFF;
  --border:#E7E6E0;
  --text:#1B1B22;
  --text-2:#55565F;
  --text-3:#8A8B94;
  --dark:#14121A;
  --grad:linear-gradient(135deg,#0FB98A 0%,#2BD9A8 48%,#5B3DF5 100%);
  --grad-btn:linear-gradient(90deg,#0FB98A,#12C9A0);
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 2px 4px rgba(20,18,26,.04);
  --sh-2:0 18px 40px -18px rgba(8,122,92,.22);
  --sh-nav:0 10px 30px -14px rgba(20,18,26,.18);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  color:var(--text);
  background:var(--bg);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.32;letter-spacing:-.01em}
p{margin:0}
strong{font-weight:700}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ---------- 顶部导航卡片 ---------- */
.site-header{position:sticky;top:12px;z-index:60;padding:0 20px}
.nav-shell{
  max-width:1180px;margin:0 auto;position:relative;
  background:var(--card);border:1px solid var(--border);border-radius:20px;
  box-shadow:var(--sh-nav);
  display:flex;align-items:center;gap:14px;padding:12px 16px;
}
.brand{display:flex;align-items:center;gap:10px;flex:none;font-size:16px;font-weight:700;letter-spacing:-.01em}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  color:#fff;background:var(--grad);font-size:15px;
  box-shadow:0 6px 14px -8px rgba(15,185,138,.85);
}
.nav-links{flex:1;display:flex;align-items:center;justify-content:center;gap:4px;flex-wrap:wrap}
.nav-item{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 12px;border-radius:14px;font-size:14px;color:var(--text-2);
  transition:background .2s ease,color .2s ease,transform .2s ease;
  white-space:nowrap;
}
.nav-item .ico{
  width:26px;height:26px;border-radius:9px;display:grid;place-items:center;
  background:var(--brand-light);color:var(--brand-deep);font-size:12px;
  transition:background .2s ease,color .2s ease;
}
.nav-item:hover{background:var(--brand-soft);color:var(--brand-deep)}
.nav-item:hover .ico{background:var(--brand);color:#fff}
.nav-item.active{background:var(--brand-light);color:var(--brand-deep);font-weight:600}
.nav-item.active .ico{background:var(--brand);color:#fff}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:14px;
  background:var(--brand-light);color:var(--brand-deep);
  border:1px solid rgba(15,185,138,.22);cursor:pointer;
  align-items:center;justify-content:center;font-size:15px;margin-left:auto;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease;
}
.btn-primary{
  background:var(--grad-btn);color:#fff;
  box-shadow:0 12px 26px -14px rgba(15,185,138,.85), inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;color:var(--brand-deep);border-color:rgba(15,185,138,.42)}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.disabled{opacity:.4;pointer-events:none}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:14px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:60px 0 64px}
.hero-bg{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(520px 320px at 10% 6%, rgba(15,185,138,.20), transparent 70%),
    radial-gradient(480px 300px at 90% 0%, rgba(91,61,245,.15), transparent 72%),
    radial-gradient(380px 260px at 62% 102%, rgba(255,138,61,.11), transparent 72%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:16px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-2);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand-deep)}
.breadcrumb .current{color:var(--brand-deep);font-weight:600}
.hero-title{font-size:40px;font-weight:700;letter-spacing:-.02em;line-height:1.22}
.hero-sub{margin-top:18px;font-size:16px;color:var(--text-2);max-width:560px}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.hero-points{display:flex;gap:20px;margin-top:28px;flex-wrap:wrap}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2)}
.hero-points i{color:var(--brand-deep);font-size:13px}
.hero-visual{
  position:relative;padding:2px;border-radius:26px;background:var(--grad);
  box-shadow:var(--sh-2);
}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:24px}
.float-badge{
  position:absolute;left:18px;bottom:18px;
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border-radius:999px;padding:9px 16px;
  font-size:13px;font-weight:600;color:var(--text);
  box-shadow:0 10px 24px -14px rgba(20,18,26,.5);
}
.float-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ---------- 数据徽章条 ---------- */
.stat-strip{padding:0 0 8px}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat-badge{
  display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--border);border-radius:999px;
  padding:14px 22px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.stat-badge:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.stat-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none}
.stat-badge strong{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--brand-deep)}
.stat-badge span:last-child{font-size:12px;color:var(--text-2)}

/* ---------- 板块 ---------- */
.section{padding:88px 0}
.section-tight{padding-top:0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-title{font-size:28px}
.sec-desc{margin-top:12px;font-size:15px;color:var(--text-2);max-width:660px}
.sec-link{font-size:14px;font-weight:600;color:var(--brand-deep);transition:color .2s ease}
.sec-link:hover{color:var(--purple)}

/* ---------- 卡片 ---------- */
.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,185,138,.28)}
.benefit-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:start}
.benefit-main img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-md);margin-bottom:20px}
.benefit-main h3{font-size:19px}
.benefit-main p{margin-top:12px;color:var(--text-2);font-size:15px}
.benefit-side{display:flex;flex-direction:column;gap:20px}
.benefit-side .card{padding:22px}
.benefit-side h3{font-size:17px;margin-top:14px}
.benefit-side p{margin-top:10px;font-size:14px;color:var(--text-2)}
.mini-ico{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:var(--brand-light);color:var(--brand-deep);font-size:16px;
}
.chip-row{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;color:var(--brand-deep);
  background:var(--brand-light);border:1px solid rgba(15,185,138,.2);
}
.chip-orange{color:#B4560F;background:#FFF3EA;border-color:rgba(255,138,61,.3)}

/* ---------- 图文 + 要点清单 ---------- */
.checker{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:center}
.checker-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--sh-1)}
.checker-media img{width:100%;aspect-ratio:5/4;object-fit:cover}
.step-list{display:flex;flex-direction:column;gap:16px}
.step-list li{
  display:flex;gap:16px;background:#fff;border:1px solid var(--border);border-radius:18px;
  padding:20px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.step-list li:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.step-no{
  flex:none;width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  color:#fff;font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
  background:var(--grad);
}
.step-list h3{font-size:16px}
.step-list p{margin-top:6px;font-size:14px;color:var(--text-2)}

/* ---------- FAQ + 侧栏数据卡 ---------- */
.faq-layout{display:grid;grid-template-columns:1.9fr 1fr;gap:32px;align-items:start}
.faq-group + .faq-group{margin-top:36px}
.faq-group-title{
  font-size:15px;color:var(--brand-deep);letter-spacing:.04em;
  display:flex;align-items:center;gap:10px;margin-bottom:16px;
}
.faq-group-title::before{content:"";width:18px;height:3px;border-radius:3px;background:var(--grad)}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:18px;
  box-shadow:var(--sh-1);margin-bottom:12px;overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:rgba(15,185,138,.3)}
.faq-item[open]{box-shadow:var(--sh-2)}
.faq-q{
  display:flex;align-items:center;gap:14px;padding:18px 22px;cursor:pointer;
  font-size:16px;font-weight:600;list-style:none;
}
.faq-q::-webkit-details-marker{display:none}
.faq-no{
  flex:none;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
  background:var(--brand-light);color:var(--brand-deep);
  font-size:12px;font-weight:700;font-variant-numeric:tabular-nums;
}
.faq-text{flex:1}
.faq-icon{
  position:relative;flex:none;width:22px;height:22px;border-radius:50%;
  background:var(--brand-light);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-deep);
  border-radius:2px;transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:2px}
.faq-icon::after{width:2px;height:10px;transition:transform .22s ease}
details[open] .faq-icon::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-a{position:relative;padding:0 22px 10px 64px}
.faq-a p{font-size:15px;line-height:1.8;color:var(--text-2)}
details[open] .faq-a::before{
  content:"";position:absolute;left:22px;top:2px;bottom:18px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,#0FB98A,#5B3DF5);
}
.faq-side{position:sticky;top:112px;display:flex;flex-direction:column;gap:16px}
.side-card{
  background:#fff;border:1px solid var(--border);border-radius:18px;padding:20px;
  box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;
}
.side-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.side-label{display:block;font-size:12px;color:var(--text-3);letter-spacing:.04em}
.side-num{
  display:block;margin-top:8px;font-size:22px;font-weight:700;
  font-variant-numeric:tabular-nums;color:var(--brand-deep);
}
.side-card p{margin-top:8px;font-size:13px;color:var(--text-2);line-height:1.7}
.side-card a{color:var(--brand-deep);font-weight:600}
.side-card a:hover{text-decoration:underline}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:26px;padding:48px 44px;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 26px 56px -30px rgba(11,120,92,.65);
  flex-wrap:wrap;
}
.cta-card::after{
  content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-copy{position:relative;max-width:640px}
.cta-copy h2{font-size:28px;letter-spacing:-.01em}
.cta-copy p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.92)}
.cta-actions{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.cta-actions .btn-primary{background:#fff;color:var(--brand-deep);box-shadow:0 14px 30px -16px rgba(0,0,0,.5)}
.cta-actions .btn-primary:hover{filter:none;background:#F2FBF7}
.cta-note{font-size:12px;color:rgba(255,255,255,.88)}

/* ---------- 返回入口 ---------- */
.back-links{padding:0 0 88px}
.back-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center;border-top:1px solid var(--border);padding-top:32px}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:var(--dark);color:#EDEDF0;
  padding:64px 0 24px;margin-top:8px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,#0FB98A,#2BD9A8,#5B3DF5);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(255,255,255,.09);color:#7FE7C4;box-shadow:none}
.footer-col p{font-size:13px;color:#9C9DA6;line-height:1.8;max-width:320px}
.footer-col h4{font-size:13px;color:#9C9DA6;letter-spacing:.08em;margin-bottom:14px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:#EDEDF0;opacity:.86;transition:color .2s ease,opacity .2s ease}
.footer-col ul a:hover{color:#7FE7C4;opacity:1}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.08);margin-top:44px;padding-top:20px;
  font-size:12px;color:#9C9DA6;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    display:none;order:3;width:100%;flex-direction:column;align-items:stretch;
    gap:4px;padding-top:14px;margin-top:12px;border-top:1px solid var(--border);
  }
  .nav-actions{display:none;order:4;width:100%;margin-top:12px}
  .nav-actions .btn{width:100%}
  .nav-item{padding:11px 14px}
  .nav-shell.open .nav-links{display:flex}
  .nav-shell.open .nav-actions{display:flex}
  .hero{padding:44px 0 52px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-title{font-size:32px}
  .benefit-grid{grid-template-columns:1fr}
  .checker{grid-template-columns:1fr;gap:32px}
  .faq-layout{grid-template-columns:1fr}
  .faq-side{position:static;display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .section{padding:64px 0}
}
@media (max-width:767px){
  body{font-size:15px}
  .hero-title{font-size:28px}
  .sec-title{font-size:22px}
  .hero-sub{font-size:15px}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .stat-badge{padding:12px 16px}
  .cta-card{padding:32px 24px}
  .cta-copy h2{font-size:22px}
  .faq-q{font-size:15px;padding:16px 18px;gap:10px}
  .faq-a{padding:0 18px 12px 18px}
  details[open] .faq-a::before{left:0}
  .faq-a p{padding-left:0}
  .back-links{padding:0 0 64px}
}
@media (max-width:520px){
  .stat-row{grid-template-columns:1fr}
  .faq-side{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .hero-actions .btn{width:100%}
  .back-row .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}