/* roulang page: index */
:root{
  --brand:#12B76A;
  --brand-deep:#0B7A4B;
  --brand-soft:#E9F8F0;
  --accent:#FF7A1A;
  --accent-soft:#FFF1E6;
  --bg:#F6F7F4;
  --surface:#FFFFFF;
  --ink-bg:#0E1512;
  --text:#16201B;
  --text-2:#5A6B62;
  --text-3:#8A968D;
  --line:#E1E6E0;
  --line-dark:rgba(255,255,255,.10);
  --on-dark:#EAF2EC;
  --on-dark-2:#A9BDB1;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-card:0 1px 2px rgba(16,32,24,.04),0 8px 24px -12px rgba(16,32,24,.12);
  --shadow-hover:0 12px 32px -14px rgba(16,32,24,.22);
  --shadow-nav:0 8px 24px -18px rgba(16,32,24,.35);
  --space-section:88px;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Barlow",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;border:0;background:none;cursor:pointer;}
input{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 32px;}}
.section{padding:56px 0;}
@media(min-width:768px){.section{padding:var(--space-section) 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px;}
.section-title{font-size:26px;font-weight:800;}
@media(min-width:768px){.section-title{font-size:28px;}}
.section-sub{margin-top:10px;color:var(--text-2);font-size:15px;max-width:640px;line-height:1.8;}
.text-link{color:var(--brand);font-weight:700;font-size:15px;display:inline-flex;align-items:center;gap:6px;transition:color .2s ease;}
.text-link span{transition:transform .2s ease;display:inline-block;}
.text-link:hover{color:var(--brand-deep);}
.text-link:hover span{transform:translateX(3px);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:var(--shadow-nav);}
.header-inner{display:flex;align-items:center;gap:16px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;
  box-shadow:0 6px 16px -8px rgba(18,183,106,.8);
}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.3px;white-space:nowrap;}
.main-nav{display:none;align-items:center;gap:4px;margin-left:14px;}
.main-nav a{
  position:relative;padding:8px 12px;border-radius:999px;font-size:14px;font-weight:600;
  color:var(--text-2);transition:color .15s ease,background .15s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .15s ease;
}
.main-nav a:hover{color:var(--text);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--brand-deep);background:var(--brand-soft);}
.main-nav a.active::after{transform:scaleX(0);}
.header-tools{display:flex;align-items:center;gap:10px;margin-left:auto;}
.search-box{
  display:none;align-items:center;gap:8px;width:240px;height:40px;padding:0 10px;
  background:#F1F3EF;border:1px solid transparent;border-radius:var(--radius-sm);
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,183,106,.15);}
.search-box svg{flex:0 0 auto;color:var(--text-3);}
.search-box input{border:0;background:none;outline:none;width:100%;font-size:14px;color:var(--text);}
.search-box input::placeholder{color:var(--text-3);}
.kbd{
  font-family:var(--font-num);font-size:11px;font-weight:700;color:var(--text-3);
  background:#fff;border:1px solid var(--line);border-radius:6px;padding:2px 5px;
}
.icon-btn{
  display:none;width:40px;height:40px;border-radius:var(--radius-sm);align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--text-2);background:#fff;transition:all .2s ease;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;
  border-radius:var(--radius-sm);font-size:15px;font-weight:700;white-space:nowrap;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px -12px rgba(18,183,106,.9);}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(11,122,75,.9);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;color:var(--brand-deep);border:1px solid var(--brand);}
.btn-outline:hover{background:var(--brand-soft);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--on-dark);border:1px solid rgba(255,255,255,.45);}
.btn-ghost:hover{background:#fff;color:var(--text);border-color:#fff;}
.nav-toggle{
  display:flex;width:42px;height:42px;border-radius:var(--radius-sm);border:1px solid var(--line);
  align-items:center;justify-content:center;color:var(--text);background:#fff;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}
.nav-toggle i{display:block;width:18px;height:2px;background:currentColor;position:relative;border-radius:2px;}
.nav-toggle i::before,.nav-toggle i::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;}
.nav-toggle i::before{top:-6px;}
.nav-toggle i::after{top:6px;}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 22px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer .search-box{display:flex;width:100%;margin-bottom:14px;}
.mobile-drawer nav{display:flex;flex-direction:column;gap:4px;margin-bottom:16px;}
.mobile-drawer nav a{padding:12px 14px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;color:var(--text-2);}
.mobile-drawer nav a:hover{background:#F1F3EF;color:var(--text);}
.mobile-drawer nav a.active{background:var(--brand-soft);color:var(--brand-deep);}
@media(min-width:768px){
  .search-box{display:flex;}
  .icon-btn{display:inline-flex;}
}
@media(min-width:1024px){
  .main-nav{display:flex;}
  .nav-toggle{display:none;}
}

/* ============ Hero ============ */
.hero{
  position:relative;background:var(--ink-bg);color:var(--on-dark);overflow:hidden;
  padding:56px 0 64px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(18,183,106,.28),rgba(14,21,18,.92) 62%,rgba(14,21,18,1));
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;gap:40px;align-items:center;}
@media(min-width:1024px){
  .hero{padding:84px 0 92px;}
  .hero-grid{grid-template-columns:1.05fr .95fr;gap:56px;}
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(18,183,106,.16);border:1px solid rgba(18,183,106,.35);
  color:#8FE7BB;font-size:12px;font-weight:700;letter-spacing:.6px;
}
.hero h1{
  margin-top:20px;font-size:34px;font-weight:900;line-height:1.25;color:#fff;letter-spacing:.5px;
}
@media(min-width:768px){.hero h1{font-size:42px;}}
@media(min-width:1280px){.hero h1{font-size:46px;}}
.hero-sub{margin-top:18px;font-size:16px;line-height:1.9;color:var(--on-dark-2);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:36px;max-width:520px;}
.stat-card{
  background:rgba(255,255,255,.04);border:1px solid var(--line-dark);border-radius:var(--radius-md);
  padding:14px 16px;box-shadow:inset 0 1px 0 rgba(255,255,255,.06);transition:border-color .2s ease,transform .2s ease;
}
.stat-card:hover{border-color:rgba(18,183,106,.5);transform:translateY(-2px);}
.stat-num{font-family:var(--font-num);font-size:24px;font-weight:800;color:#fff;line-height:1.2;}
.stat-num small{font-size:12px;color:var(--on-dark-2);margin-left:4px;font-family:var(--font-sans);font-weight:600;}
.stat-label{margin-top:6px;font-size:13px;color:var(--on-dark-2);}
.hero-visual{position:relative;}
.hero-photo{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-dark);
  position:relative;min-height:280px;
}
.hero-photo img{width:100%;height:100%;min-height:280px;max-height:420px;object-fit:cover;opacity:.9;}
.hero-photo::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,21,18,.15),rgba(14,21,18,.75));
}
.float-card{
  position:absolute;left:18px;right:18px;bottom:18px;background:#fff;color:var(--text);
  border-radius:var(--radius-md);padding:16px 18px;box-shadow:var(--shadow-card);
  display:flex;align-items:center;gap:14px;
}
.float-card .fc-avatar{
  width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;flex:0 0 auto;
}
.float-card strong{display:block;font-size:15px;}
.float-card span{font-size:13px;color:var(--text-2);}
.float-pill{
  position:absolute;top:16px;left:16px;background:rgba(255,122,26,.95);color:#fff;
  font-size:12px;font-weight:700;padding:6px 12px;border-radius:999px;letter-spacing:.4px;
}

/* ============ 权益对比 ============ */
.compare-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);overflow:hidden;}
.compare-table{width:100%;border-collapse:collapse;}
.compare-table th,.compare-table td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:15px;}
.compare-table thead th{background:#FBFCFA;font-size:14px;color:var(--text-2);font-weight:700;vertical-align:top;}
.compare-table thead th.plan-head{color:var(--text);font-size:15px;}
.plan-name{font-size:16px;font-weight:800;margin-bottom:4px;}
.plan-price{font-family:var(--font-num);font-size:26px;font-weight:800;color:var(--text);line-height:1.2;}
.plan-price small{font-size:12px;color:var(--text-3);font-family:var(--font-sans);font-weight:600;margin-left:4px;}
.plan-note{font-size:13px;color:var(--text-3);margin-top:6px;font-weight:500;}
.compare-table tbody tr:hover{background:#FBFCFA;}
.compare-table td.feature{font-weight:600;color:var(--text);width:26%;}
.cell-yes{background:var(--brand-soft);color:var(--brand-deep);font-weight:700;}
.cell-no{color:var(--text-3);background:#FBFBF9;}
.cell-yes i{display:inline-flex;width:18px;height:18px;border-radius:50%;background:var(--brand);color:#fff;align-items:center;justify-content:center;font-size:11px;margin-right:6px;font-style:normal;}
.col-recommend{position:relative;border-left:2px solid var(--accent);border-right:2px solid var(--accent);}
th.col-recommend{background:#FFFBF7;}
td.col-recommend{background:#FFFDFB;}
.corner-pill{
  position:absolute;top:-1px;left:50%;transform:translate(-50%,-50%);
  background:var(--accent);color:#fff;font-size:11px;font-weight:700;padding:4px 12px;border-radius:999px;white-space:nowrap;
}
.compare-cards{display:grid;gap:16px;}
.plan-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow-card);}
.plan-card h3{font-size:16px;font-weight:800;margin-bottom:6px;}
.plan-card .plan-price{margin-bottom:12px;}
.plan-list li{font-size:14px;color:var(--text-2);padding:6px 0;border-bottom:1px dashed var(--line);}
.plan-list li:last-child{border-bottom:0;}
.plan-list li.off{color:var(--text-3);}
@media(min-width:768px){.compare-cards{display:none;}}
@media(max-width:767px){.compare-wrap{display:none;}}

/* ============ 等级亮点 ============ */
.level-grid{display:grid;gap:22px;}
@media(min-width:768px){.level-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.level-grid{grid-template-columns:repeat(3,minmax(0,1fr));align-items:start;}}
.level-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.level-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#CFDCCF;}
.level-card h3{font-size:19px;font-weight:800;margin-top:18px;}
.level-icon{
  width:60px;height:60px;border-radius:16px;background:rgba(18,183,106,.10);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;
}
.level-card ul{margin-top:14px;display:flex;flex-direction:column;gap:10px;}
.level-card ul li{position:relative;padding-left:20px;font-size:14px;color:var(--text-2);line-height:1.7;}
.level-card ul li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:3px;background:var(--brand);
}
.level-card .text-link{margin-top:18px;}
.level-card.featured{border-top:3px solid var(--accent);}
@media(min-width:1024px){.level-card.featured{transform:translateY(-8px);}}
@media(min-width:1024px){.level-card.featured:hover{transform:translateY(-10px);}}

/* ============ 内容预览 ============ */
.media-grid{display:grid;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr));}
@media(min-width:1024px){.media-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}
.media-card{
  position:relative;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease;
}
.media-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.media-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.media-pill{
  position:absolute;top:10px;right:10px;background:rgba(18,183,106,.92);color:#fff;
  font-size:11px;font-weight:700;padding:4px 10px;border-radius:999px;
}
.media-caption{padding:12px 14px;font-size:14px;font-weight:600;line-height:1.6;}
.split{display:grid;gap:32px;align-items:center;}
@media(min-width:1024px){.split{grid-template-columns:.85fr 1.15fr;gap:48px;}}

/* ============ 证据区 ============ */
.proof-grid{display:grid;gap:20px;}
@media(min-width:768px){.proof-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.proof-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}
.proof-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease;
}
.proof-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.proof-num{font-family:var(--font-num);font-size:28px;font-weight:800;color:var(--brand-deep);line-height:1.2;}
.proof-num small{font-size:13px;color:var(--text-2);font-family:var(--font-sans);font-weight:600;margin-left:4px;}
.proof-label{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.7;}
.quote-band{
  margin-top:24px;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--brand);
  border-radius:var(--radius-md);padding:22px 24px;box-shadow:var(--shadow-card);
}
.quote-band p{font-size:16px;color:var(--text);line-height:1.9;}
.quote-band span{display:block;margin-top:10px;font-size:13px;color:var(--text-3);}

/* ============ 列表（CMS） ============ */
.post-grid{display:grid;gap:20px;}
@media(min-width:768px){.post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.post-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.post-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;min-height:100%;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#CFDCCF;}
.post-card:hover .post-title{color:var(--brand-deep);}
.pill{
  display:inline-flex;align-items:center;align-self:flex-start;padding:4px 12px;border-radius:999px;
  background:rgba(18,183,106,.10);color:var(--brand-deep);font-size:12px;font-weight:700;letter-spacing:.3px;
}
.post-title{
  margin-top:14px;font-size:17px;font-weight:700;line-height:1.6;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease;
}
.post-desc{
  margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);border-top:1px solid var(--line);margin-top:18px;
}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:180px;background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-lg);
  color:var(--text-3);text-align:center;padding:28px;gap:8px;
}
.empty-state strong{font-size:16px;color:var(--text-2);font-weight:700;}
.empty-state span{font-size:14px;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-card);overflow:hidden;transition:border-color .2s ease;}
.faq-item.open{border-color:#CFDCCF;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16px;font-weight:700;color:var(--text);text-align:left;line-height:1.6;
}
.faq-q:hover{color:var(--brand-deep);}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;transition:transform .2s ease,background .2s ease;
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--brand);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;border-left:3px solid transparent;}
.faq-item.open .faq-a{max-height:420px;border-left-color:var(--brand);}
.faq-a p{padding:0 20px 20px 20px;font-size:15px;line-height:1.8;color:var(--text-2);}

/* ============ CTA ============ */
.cta-band{position:relative;background:var(--ink-bg);color:var(--on-dark);overflow:hidden;}
.cta-inner{
  position:relative;display:flex;flex-direction:column;gap:20px;padding:48px 0;
}
@media(min-width:768px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:56px 0;}}
.cta-inner h2{font-size:24px;font-weight:800;color:#fff;}
@media(min-width:768px){.cta-inner h2{font-size:28px;}}
.cta-inner p{margin-top:12px;font-size:15px;color:var(--on-dark-2);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-glow{
  position:absolute;right:-80px;top:-60px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,26,.28),rgba(255,122,26,0) 68%);
  pointer-events:none;
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-bg);color:var(--on-dark-2);border-top:1px solid var(--line-dark);}
.footer-grid{display:grid;gap:28px;padding:48px 0 32px;}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand span{color:#fff;font-size:17px;font-weight:800;}
.footer-desc{font-size:14px;line-height:1.8;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:700;color:#7FD8A9;margin-bottom:14px;letter-spacing:.4px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--on-dark-2);transition:color .2s ease;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:18px 0;display:flex;flex-wrap:wrap;gap:10px;
  align-items:center;justify-content:space-between;font-size:13px;
}
.footer-bottom a{color:#7FD8A9;}
.footer-bottom a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}

/* roulang page: article */
:root{
  --brand:#12B76A;
  --brand-deep:#0B7A4B;
  --brand-soft:#E9F8F0;
  --accent:#FF7A1A;
  --accent-soft:#FFF1E6;
  --bg:#F6F7F4;
  --surface:#FFFFFF;
  --ink-bg:#0E1512;
  --text:#16201B;
  --text-2:#5A6B62;
  --text-3:#8A968D;
  --line:#E1E6E0;
  --line-dark:rgba(255,255,255,.10);
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-card:0 1px 2px rgba(16,32,24,.04),0 8px 24px -12px rgba(16,32,24,.12);
  --shadow-hover:0 12px 32px -14px rgba(16,32,24,.22);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Barlow",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:8px;
}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background-color .25s ease;
  backdrop-filter:saturate(160%) blur(6px);
}
.site-header.is-scrolled{box-shadow:0 10px 30px -22px rgba(16,32,24,.45);}
.header-inner{display:flex;align-items:center;gap:20px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;line-height:1;
  box-shadow:0 6px 16px -8px rgba(18,183,106,.9);
}
.brand-text{font-weight:800;font-size:17px;color:var(--text);white-space:nowrap;}
.main-nav{display:none;}
@media (min-width:1024px){
  .main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
  .main-nav a{
    position:relative;padding:8px 12px;border-radius:999px;
    font-size:14px;font-weight:600;color:var(--text-2);
  }
  .main-nav a::after{
    content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
    background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
    transition:transform .15s ease;
  }
  .main-nav a:hover{color:var(--text);}
  .main-nav a:hover::after{transform:scaleX(1);}
  .main-nav a.active{background:var(--brand-soft);color:var(--brand-deep);}
  .main-nav a.active::after{transform:scaleX(0);}
}
.header-right{display:flex;align-items:center;gap:10px;margin-left:auto;}
.search-box{display:none;}
@media (min-width:1024px){
  .search-box{
    display:flex;align-items:center;gap:8px;width:250px;height:40px;
    padding:0 10px;border-radius:var(--radius-sm);background:#F1F3EF;
    border:1px solid transparent;transition:background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
  }
  .search-box:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,183,106,.14);}
  .search-box svg{flex:0 0 auto;color:var(--text-3);}
  .search-box input{
    flex:1 1 auto;min-width:0;border:0;background:transparent;height:36px;
    font-size:14px;color:var(--text);font-family:inherit;
  }
  .search-box input:focus{outline:none;}
  .kbd{
    flex:0 0 auto;font-family:var(--font-num);font-size:11px;font-weight:700;
    color:var(--text-3);background:#fff;border:1px solid var(--line);
    border-radius:6px;padding:1px 5px;
  }
}
.icon-btn{
  width:40px;height:40px;border-radius:var(--radius-sm);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-2);border:1px solid var(--line);background:#fff;
}
.icon-btn:hover{color:var(--brand-deep);border-color:#BFE7D1;background:var(--brand-soft);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border-radius:var(--radius-sm);font-weight:700;font-size:14px;
  padding:0 18px;height:40px;transition:all .18s ease;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 18px -12px rgba(18,183,106,.95);}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost-dark{border:1px solid var(--line-dark);color:#EAF2EC;background:transparent;}
.btn-ghost-dark:hover{background:#fff;color:var(--ink-bg);}
.btn-lg{height:48px;padding:0 24px;font-size:15px;}
.nav-toggle{
  width:40px;height:40px;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:#fff;display:flex;align-items:center;justify-content:center;color:var(--text);
}
.nav-toggle:hover{border-color:#BFE7D1;background:var(--brand-soft);}
@media (min-width:1024px){.nav-toggle{display:none;}}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 22px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer .m-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;background:#F1F3EF;border-radius:var(--radius-sm);margin-bottom:14px;}
.mobile-drawer .m-search input{flex:1;border:0;background:transparent;font-size:14px;font-family:inherit;height:40px;}
.mobile-drawer .m-search input:focus{outline:none;}
.mobile-drawer nav{display:flex;flex-direction:column;gap:4px;margin-bottom:16px;}
.mobile-drawer nav a{padding:11px 12px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;color:var(--text-2);}
.mobile-drawer nav a:hover,.mobile-drawer nav a.active{background:var(--brand-soft);color:var(--brand-deep);}
.mobile-drawer .btn{width:100%;}

/* ---------- 文章页 ---------- */
.article-section{padding:32px 0 0;}
@media (min-width:1024px){.article-section{padding:48px 0 0;}}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--text-3);margin-bottom:22px;
}
.breadcrumb a:hover{color:var(--brand-deep);}
.breadcrumb .sep{color:#C6CEC7;}
.breadcrumb .crumb-title{max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-2);}
.article-shell{max-width:860px;margin:0 auto;}
.article-head{margin-bottom:24px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:700;background:var(--brand-soft);color:var(--brand-deep);
}
.pill-accent{background:var(--accent-soft);color:#C2550B;}
.article-title{
  margin:14px 0 14px;font-size:30px;line-height:1.35;font-weight:900;color:var(--text);
  word-break:break-word;
}
@media (min-width:768px){.article-title{font-size:38px;}}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--text-3);}
.meta-row .dot{color:#CBD3CC;}
.cover-figure{margin:26px 0 0;}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-md);background:#EAEDE8;}
.cover-figure figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--text-3);}
.article-body{padding:34px 0 8px;}
.article-content{font-size:17px;line-height:1.9;color:var(--text);}
.article-content > *{max-width:100%;}
.article-content h2{
  position:relative;margin:44px 0 16px;padding-left:16px;
  font-size:24px;line-height:1.4;font-weight:800;color:var(--text);
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:8px;width:4px;height:20px;border-radius:2px;background:var(--brand);
}
.article-content h3{margin:30px 0 12px;font-size:19px;font-weight:700;color:var(--text);}
.article-content p{margin:0 0 1em;}
.article-content a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px;}
.article-content a:hover{color:var(--brand);}
.article-content ul{list-style:disc;padding-left:22px;margin:0 0 1.2em;}
.article-content ol{list-style:decimal;padding-left:22px;margin:0 0 1.2em;}
.article-content li{margin:8px 0;line-height:1.85;}
.article-content blockquote{
  margin:22px 0;padding:16px 20px;border-left:4px solid var(--brand);
  background:var(--brand-soft);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text-2);
}
.article-content table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-content thead th{background:#F1F3EF;text-align:left;font-weight:700;color:var(--text);}
.article-content th,.article-content td{padding:11px 14px;border-bottom:1px solid var(--line);}
.article-content tbody tr:nth-child(even){background:#FAFBF9;}
.article-content img{border-radius:var(--radius-sm);margin:22px 0;}
.article-content code{background:#F1F3EF;border-radius:6px;padding:1px 6px;font-size:15px;}
.missing-box{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:40px 24px;text-align:center;box-shadow:var(--shadow-card);
}
.missing-box .missing-icon{
  width:56px;height:56px;border-radius:16px;background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:24px;font-weight:800;
}
.missing-box h2{font-size:22px;font-weight:800;margin-bottom:8px;}
.missing-box p{color:var(--text-2);margin-bottom:20px;}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:38px 0 0;padding-top:24px;border-top:1px solid var(--line);}
.tag-row .label{font-size:13px;color:var(--text-3);font-weight:700;}
.tag{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;
  font-size:12px;font-weight:700;background:#F1F3EF;color:var(--text-2);border:1px solid var(--line);
}
.tag:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:#BFE7D1;}

.related{padding:56px 0 0;}
@media (min-width:1024px){.related{padding:80px 0 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;}
.section-head h2{font-size:22px;font-weight:800;}
@media (min-width:768px){.section-head h2{font-size:26px;}}
.section-head p{margin:6px 0 0;font-size:14px;color:var(--text-2);}
.text-link{font-size:14px;font-weight:700;color:var(--brand-deep);display:inline-flex;align-items:center;gap:6px;}
.text-link span{transition:transform .18s ease;}
.text-link:hover span{transform:translateX(3px);}
.card-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.card-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr);}}
.card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-card);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D3E7DA;}
.card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-thumb .thumb-tag{
  position:absolute;top:12px;left:12px;padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:700;background:rgba(255,255,255,.94);color:var(--brand-deep);
}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17px;font-weight:700;line-height:1.5;color:var(--text);}
.card:hover .card-body h3{color:var(--brand-deep);}
.card-body p{font-size:14px;color:var(--text-2);margin:0;line-height:1.75;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}

.post-nav{display:grid;grid-template-columns:1fr;gap:16px;margin-top:44px;}
@media (min-width:768px){.post-nav{grid-template-columns:1fr 1fr;}}
.post-nav a{
  display:block;padding:18px 20px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);box-shadow:var(--shadow-card);transition:all .2s ease;
}
.post-nav a:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D3E7DA;}
.post-nav .dir{font-size:12px;font-weight:700;color:var(--text-3);letter-spacing:.06em;}
.post-nav .t{display:block;margin-top:6px;font-size:16px;font-weight:700;color:var(--text);}
.post-nav a:hover .t{color:var(--brand-deep);}
.post-nav .next{text-align:right;}
.back-row{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;}

.cta-band{
  margin:64px 0 0;background:var(--ink-bg);color:#EAF2EC;
  position:relative;overflow:hidden;
}
@media (min-width:1024px){.cta-band{margin-top:88px;}}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-70px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,26,.34),rgba(255,122,26,0) 68%);
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:1;display:flex;flex-direction:column;gap:20px;
  padding:52px 0;align-items:flex-start;
}
@media (min-width:768px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:58px 0;}
}
.cta-inner h2{font-size:24px;font-weight:800;color:#fff;}
@media (min-width:768px){.cta-inner h2{font-size:30px;}}
.cta-inner p{margin:10px 0 0;font-size:15px;color:#A9BDB1;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-bg);color:#A9BDB1;padding:56px 0 26px;border-top:1px solid var(--line-dark);}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:12px;}
.footer-brand .brand-mark{background:var(--brand);}
.footer-desc{font-size:14px;line-height:1.8;color:#A9BDB1;max-width:320px;margin:0;}
.footer-col h4{font-size:14px;font-weight:700;color:#B7E7CD;margin-bottom:14px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#A9BDB1;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:#8FA396;
}
.footer-bottom a{color:#B7E7CD;}
.footer-bottom a:hover{color:#fff;}

/* roulang page: category1 */
:root{
  --brand:#12B76A;
  --brand-deep:#0B7A4B;
  --brand-soft:#E9F8F0;
  --brand-tint:rgba(18,183,106,.10);
  --accent:#FF7A1A;
  --accent-soft:#FFF1E6;
  --bg:#F6F7F4;
  --surface:#FFFFFF;
  --ink-bg:#0E1512;
  --text:#16201B;
  --text-2:#5A6B62;
  --text-3:#8A968D;
  --on-dark:#EAF2EC;
  --on-dark-2:#A9BDB1;
  --line:#E1E6E0;
  --line-dark:rgba(255,255,255,.10);
  --field:#F1F3EF;
  --danger:#E5484D;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-card:0 1px 2px rgba(16,32,24,.04),0 8px 24px -12px rgba(16,32,24,.12);
  --shadow-card-hover:0 12px 32px -14px rgba(16,32,24,.22);
  --shadow-deep:inset 0 1px 0 rgba(255,255,255,.06);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"DIN Alternate","Barlow",system-ui,sans-serif;
  --section-y:56px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-.01em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .15s ease,background-color .15s ease,border-color .15s ease;}
img{max-width:100%;display:block;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:8px;
}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
.section{padding:var(--section-y) 0;}
.section-head{max-width:720px;margin-bottom:32px;}
.section-head h2{font-size:26px;font-weight:800;}
.section-head p{margin-top:10px;color:var(--text-2);font-size:15px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  color:var(--brand-deep);
  background:var(--brand-tint);
  border-radius:999px;
  padding:5px 12px;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 24px -18px rgba(16,32,24,.45);}
.header-inner{
  display:flex;align-items:center;gap:20px;
  min-height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#fff;font-size:17px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px -8px rgba(11,122,75,.7);
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--text);}
.main-nav{display:flex;align-items:center;gap:4px;flex:1;min-width:0;}
.main-nav a{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:14px;font-weight:600;
  color:var(--text-2);
  border-radius:10px;
  white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;
  height:2px;border-radius:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;
  transition:transform .15s ease;
}
.main-nav a:hover{color:var(--text);background:#F3F6F1;}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--brand-deep);background:var(--brand-soft);}
.main-nav a.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:230px;height:40px;padding:0 10px 0 12px;
  background:var(--field);
  border:1px solid transparent;
  border-radius:var(--radius-sm);
  transition:background-color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{
  background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(18,183,106,.16);
}
.nav-search svg{width:15px;height:15px;flex-shrink:0;color:var(--text-3);}
.nav-search input{
  flex:1;min-width:0;border:0;background:transparent;
  font-size:14px;color:var(--text);outline:none;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search kbd{
  font-family:var(--font-num);font-size:11px;font-weight:700;
  color:var(--text-3);background:#fff;border:1px solid var(--line);
  border-radius:6px;padding:2px 6px;line-height:1.4;
}
.icon-btn{
  width:40px;height:40px;border-radius:var(--radius-sm);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-2);border:1px solid var(--line);background:#fff;
}
.icon-btn:hover{color:var(--brand-deep);border-color:var(--brand);background:var(--brand-soft);}
.icon-btn svg{width:18px;height:18px;}
.hamburger{
  display:none;width:40px;height:40px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;color:var(--text);
}
.hamburger svg{width:20px;height:20px;}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:16px 0 20px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer .nav-search{width:100%;margin-bottom:14px;}
.mobile-drawer .drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:16px;}
.mobile-drawer .drawer-links a{
  padding:11px 12px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--text-2);
  background:#F7F9F6;
}
.mobile-drawer .drawer-links a.active{color:var(--brand-deep);background:var(--brand-soft);}
.mobile-drawer .drawer-links a:hover{color:var(--text);}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;
  border-radius:var(--radius-sm);
  font-size:14px;font-weight:700;
  border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px -12px rgba(11,122,75,.85);}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(11,122,75,.9);}
.btn-primary:active{transform:translateY(0);background:var(--brand-deep);}
.btn-secondary{background:#fff;color:var(--brand-deep);border-color:rgba(18,183,106,.5);}
.btn-secondary:hover{background:var(--brand-soft);border-color:var(--brand);}
.btn-ghost{background:transparent;color:var(--on-dark);border-color:rgba(255,255,255,.45);}
.btn-ghost:hover{background:#fff;color:var(--ink-bg);border-color:#fff;}
.btn-sm{height:40px;padding:0 16px;font-size:13.5px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--brand-deep);
}
.link-arrow span{transition:transform .18s ease;display:inline-block;}
.link-arrow:hover span{transform:translateX(3px);}
.link-arrow:hover{color:var(--brand);}

/* ============ hero ============ */
.hero-banner{
  position:relative;
  min-height:460px;
  display:flex;align-items:flex-end;
  background-color:var(--ink-bg);
  background-image:linear-gradient(90deg,rgba(14,21,18,.88),rgba(14,21,18,.52)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,21,18,.20),rgba(14,21,18,.72));
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  width:100%;
  padding:72px 0 56px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:999px;padding:6px 13px;
  font-size:12px;font-weight:700;line-height:1.4;
}
.pill-dark{background:rgba(255,255,255,.12);color:var(--on-dark);border:1px solid var(--line-dark);}
.pill-green{background:var(--brand-tint);color:var(--brand-deep);}
.pill-orange{background:var(--accent-soft);color:#B4500A;}
.hero-banner h1{
  font-size:34px;font-weight:900;color:#fff;
  max-width:760px;
  letter-spacing:-.02em;
}
.hero-banner .hero-desc{
  margin-top:16px;max-width:640px;
  font-size:16px;color:#D3E1D8;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:28px;
  margin-top:36px;padding-top:24px;
  border-top:1px solid var(--line-dark);
}
.hero-meta div{min-width:120px;}
.hero-meta strong{
  display:block;font-family:var(--font-num);
  font-size:26px;font-weight:800;color:#fff;line-height:1.2;
}
.hero-meta span{font-size:13px;color:var(--on-dark-2);}

/* ============ cards ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:24px;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card-hover);border-color:#D3DCD3;}
.card:hover h3{color:var(--brand-deep);}
.card h3{font-size:19px;font-weight:700;margin-bottom:10px;transition:color .18s ease;}
.card p{font-size:15px;color:var(--text-2);line-height:1.8;}
.icon-block{
  width:60px;height:60px;border-radius:18px;
  background:var(--brand-tint);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.icon-block svg{width:26px;height:26px;}
.card .mini-list{margin-top:16px;display:flex;flex-direction:column;gap:8px;}
.card .mini-list li{
  display:flex;gap:8px;align-items:flex-start;
  font-size:14px;color:var(--text-2);
}
.card .mini-list li::before{
  content:"";flex-shrink:0;margin-top:9px;
  width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.card-foot{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);}

/* ============ checklist ============ */
.checklist-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:32px;
  box-shadow:var(--shadow-card);
}
.checklist{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 32px;margin-top:8px;}
.checklist li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;
  border-bottom:1px dashed var(--line);
  font-size:15px;color:var(--text-2);
}
.checklist li:last-child{border-bottom:0;}
.check-icon{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;margin-top:3px;
}
.check-icon svg{width:12px;height:12px;}
.checklist li b{color:var(--text);font-weight:700;}

/* ============ feature split ============ */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;}
.split-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  background:#EDF1EC;
  aspect-ratio:16/11;
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-media .media-tag{
  position:absolute;top:16px;left:16px;
}
.split-body h2{font-size:27px;font-weight:800;margin-bottom:14px;}
.split-body p{color:var(--text-2);font-size:15.5px;}
.step-mini{display:flex;flex-direction:column;gap:14px;margin-top:24px;}
.step-mini li{display:flex;gap:14px;align-items:flex-start;}
.step-num{
  flex-shrink:0;width:30px;height:30px;border-radius:50%;
  background:var(--brand);color:#fff;
  font-family:var(--font-num);font-size:14px;font-weight:800;
  display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.step-mini b{display:block;font-size:15px;font-weight:700;color:var(--text);}
.step-mini span{font-size:14px;color:var(--text-2);}

/* ============ faq ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  position:relative;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--brand);transform:scaleY(0);transform-origin:top;
  transition:transform .2s ease;
}
.faq-item.open::before{transform:scaleY(1);}
.faq-item.open{border-color:#CFE6D9;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;
  font-size:16px;font-weight:700;color:var(--text);
}
.faq-q:hover{color:var(--brand-deep);}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;line-height:1;
  transition:transform .2s ease,background-color .2s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .22s ease;
}
.faq-a > div{
  padding:0 20px 20px;font-size:15px;color:var(--text-2);line-height:1.85;
}
.faq-item.open .faq-a{max-height:320px;}

/* ============ cta band ============ */
.cta-band{
  position:relative;
  background:var(--ink-bg);
  border-radius:var(--radius-lg);
  padding:40px;
  overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  flex-wrap:wrap;
  box-shadow:var(--shadow-deep);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-70px;
  width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,26,.35),rgba(255,122,26,0) 68%);
  pointer-events:none;
}
.cta-band h2{position:relative;z-index:2;color:#fff;font-size:24px;font-weight:800;}
.cta-band p{position:relative;z-index:2;color:var(--on-dark-2);font-size:14.5px;margin-top:8px;max-width:560px;}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}

/* ============ footer ============ */
.site-footer{
  margin-top:var(--section-y);
  background:var(--ink-bg);
  color:var(--on-dark-2);
  border-top:1px solid var(--line-dark);
  padding:56px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:40px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:800;color:#fff;
  margin-bottom:14px;
}
.footer-brand .brand-mark{width:32px;height:32px;font-size:16px;border-radius:9px;}
.footer-desc{font-size:14px;line-height:1.85;color:var(--on-dark-2);max-width:320px;}
.footer-col h4{
  font-size:14px;font-weight:700;color:#B9E7CE;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--on-dark-2);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding:18px 0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  flex-wrap:wrap;
  font-size:13px;color:#7F9188;
}
.footer-bottom a{color:#B9E7CE;}
.footer-bottom a:hover{color:#fff;}

/* ============ responsive ============ */
@media (max-width:1024px){
  .main-nav{display:none;}
  .nav-search{width:180px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:768px){
  :root{--section-y:56px;}
  .header-actions .nav-search,
  .header-actions .icon-btn{display:none;}
  .hamburger{display:flex;}
  .grid-3{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  .checklist{grid-template-columns:1fr;}
  .checklist-wrap{padding:24px;}
  .hero-banner{min-height:400px;}
  .hero-banner h1{font-size:28px;}
  .hero-inner{padding:56px 0 44px;}
  .section-head h2{font-size:23px;}
  .split-body h2{font-size:23px;}
  .cta-band{padding:28px;}
  .cta-band h2{font-size:21px;}
  .card{padding:20px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .hero-banner h1{font-size:24px;}
  .hero-meta{gap:18px;}
  .hero-meta strong{font-size:22px;}
  .btn{width:100%;}
  .hero-actions .btn,.cta-actions .btn{width:100%;}
  .cta-actions{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --brand:#12B76A;
  --brand-deep:#0B7A4B;
  --brand-soft:#E9F8F0;
  --brand-tint:rgba(18,183,106,.10);
  --accent:#FF7A1A;
  --accent-soft:#FFF1E5;
  --bg:#F6F7F4;
  --surface:#FFFFFF;
  --ink-bg:#0E1512;
  --text:#16201B;
  --text-2:#5A6B62;
  --text-3:#8A968D;
  --line:#E1E6E0;
  --line-dark:rgba(255,255,255,.10);
  --on-dark:#EAF2EC;
  --on-dark-2:#A9BDB1;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh-card:0 1px 2px rgba(16,32,24,.04), 0 8px 24px -12px rgba(16,32,24,.12);
  --sh-hover:0 12px 32px -14px rgba(16,32,24,.22);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Barlow","Helvetica Neue",sans-serif;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
html body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;background:#EDF0EB;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:-.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:768px){
  .container{padding:0 32px;}
}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--r-sm);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:background-color .18s ease, color .18s ease, border-color .18s ease, transform .18s ease, box-shadow .18s ease;
  white-space:nowrap;
}
.btn:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
}
.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:0 6px 16px -8px rgba(11,122,75,.65);
}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 12px 26px -12px rgba(11,122,75,.75);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{
  background:var(--surface);
  color:var(--brand-deep);
  border-color:rgba(18,183,106,.5);
}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand);}
.btn-accent{
  background:var(--accent);
  color:#fff;
  box-shadow:0 8px 20px -12px rgba(255,122,26,.9);
}
.btn-accent:hover{background:#E96A0C;transform:translateY(-1px);}
.btn-ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.42);
}
.btn-ghost:hover{background:#fff;color:var(--ink-bg);border-color:#fff;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand-deep);
  font-weight:700;
  font-size:14px;
}
.link-arrow span.arrow{transition:transform .18s ease;}
.link-arrow:hover span.arrow{transform:translateX(3px);}
.link-arrow:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

/* ---------- 导航（SaaS 命令栏） ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(150%) blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(16,32,24,.45);}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:68px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  width:34px;
  height:34px;
  border-radius:10px;
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-weight:900;
  font-size:17px;
  box-shadow:0 6px 14px -8px rgba(11,122,75,.9);
}
.brand-text{
  font-size:17px;
  font-weight:800;
  color:var(--text);
  letter-spacing:-.2px;
}
.main-nav{
  display:none;
  align-items:center;
  gap:6px;
  margin-left:8px;
}
.main-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 12px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  color:var(--text-2);
  transition:color .15s ease, background-color .15s ease;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .15s ease;
}
.main-nav a:hover{color:var(--text);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{
  color:var(--brand-deep);
  background:var(--brand-soft);
}
.main-nav a.active::after{transform:scaleX(0);}

.header-tools{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:10px;
}
.search-box{
  display:none;
  align-items:center;
  gap:8px;
  width:236px;
  height:40px;
  padding:0 10px 0 12px;
  border-radius:var(--r-sm);
  border:1px solid transparent;
  background:#F1F3EF;
  color:var(--text-3);
  font-size:13px;
  cursor:pointer;
  transition:background-color .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.search-box:hover{background:#EBEEE8;}
.search-box:focus-visible{
  outline:none;
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(18,183,106,.18);
}
.search-box .kbd{
  margin-left:auto;
  font-family:var(--font-num);
  font-size:11px;
  font-weight:700;
  color:var(--text-2);
  background:#fff;
  border:1px solid var(--line);
  border-radius:6px;
  padding:1px 5px;
}
.icon-btn{
  width:40px;
  height:40px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:#fff;
  color:var(--text-2);
  display:none;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:color .18s ease, border-color .18s ease, background-color .18s ease;
}
.icon-btn:hover{color:var(--brand-deep);border-color:rgba(18,183,106,.45);background:var(--brand-soft);}
.icon-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.nav-toggle{
  width:42px;
  height:42px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:#fff;
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--text);
}
.nav-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:16px 20px 22px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer .search-box{display:flex;width:100%;margin-bottom:14px;}
.mobile-drawer nav{display:flex;flex-direction:column;gap:4px;margin-bottom:14px;}
.mobile-drawer nav a{
  padding:11px 12px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  border:1px solid transparent;
}
.mobile-drawer nav a:hover{background:#F6F7F4;color:var(--text);}
.mobile-drawer nav a.active{
  color:var(--brand-deep);
  background:var(--brand-soft);
  border-color:rgba(18,183,106,.28);
}
.mobile-drawer .btn{width:100%;}

@media (min-width:1024px){
  .main-nav{display:flex;}
  .search-box{display:inline-flex;}
  .icon-btn{display:inline-flex;}
  .nav-toggle{display:none;}
  .mobile-drawer{display:none !important;}
}
@media (min-width:768px) and (max-width:1023px){
  .search-box{display:inline-flex;width:180px;}
}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0;}
@media (min-width:768px){
  .section{padding:88px 0;}
}
.section-head{
  max-width:720px;
  margin-bottom:32px;
}
.section-head h2{
  font-size:26px;
  font-weight:800;
  color:var(--text);
}
.section-head p{
  margin-top:10px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.85;
}
@media (min-width:768px){
  .section-head h2{font-size:30px;}
  .section-head{margin-bottom:40px;}
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 13px;
  border-radius:999px;
  background:var(--brand-tint);
  color:var(--brand-deep);
  font-size:12px;
  font-weight:700;
  letter-spacing:.4px;
}
.eyebrow.on-dark{
  background:rgba(18,183,106,.20);
  color:#8FE4B7;
}

/* ---------- 首屏：浅底 + 徽章墙 ---------- */
.hero-benefits{
  background:
    radial-gradient(900px 420px at 92% -12%, rgba(18,183,106,.14), transparent 68%),
    linear-gradient(180deg,#FBFCFA 0%, var(--bg) 100%);
  border-bottom:1px solid var(--line);
  padding:52px 0 56px;
}
.hero-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  align-items:center;
}
.hero-copy h1{
  margin-top:16px;
  font-size:29px;
  line-height:1.32;
  font-weight:900;
  color:var(--text);
}
.hero-lead{
  margin-top:16px;
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
  max-width:560px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
.hero-note{
  margin-top:18px;
  font-size:13px;
  color:var(--text-3);
  display:flex;
  align-items:center;
  gap:8px;
}
.hero-note::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--brand);
  flex:0 0 auto;
}
.badge-wall{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:20px;
  border-radius:var(--r-lg);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--sh-card);
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:9px 15px;
  border-radius:999px;
  font-size:13px;
  font-weight:700;
  transition:transform .18s ease, box-shadow .18s ease;
}
.badge:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.badge-green{background:var(--brand-soft);color:var(--brand-deep);}
.badge-orange{background:var(--accent-soft);color:#C2570A;}
.badge .dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:currentColor;
  opacity:.75;
}
.badge-wall-foot{
  margin-top:16px;
  padding-top:16px;
  border-top:1px dashed var(--line);
  font-size:13px;
  color:var(--text-3);
  width:100%;
}
@media (min-width:768px){
  .hero-copy h1{font-size:36px;}
  .hero-benefits{padding:64px 0 72px;}
}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:1.05fr .95fr;gap:56px;}
  .hero-copy h1{font-size:40px;line-height:1.28;}
}

/* ---------- 双列长文块 ---------- */
.dual-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
.text-block{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--sh-card);
  transition:box-shadow .2s ease, transform .2s ease;
}
.text-block:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.text-block h3{
  font-size:19px;
  font-weight:800;
  color:var(--text);
  display:flex;
  align-items:center;
  gap:10px;
}
.text-block h3::before{
  content:"";
  width:4px;
  height:18px;
  border-radius:3px;
  background:var(--brand);
}
.text-block p{
  margin-top:14px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-2);
}
.text-block ul{margin-top:14px;}
.text-block ul li{
  position:relative;
  padding-left:20px;
  margin-top:10px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}
.text-block ul li::before{
  content:"";
  position:absolute;
  left:2px;
  top:11px;
  width:7px;
  height:7px;
  border-radius:2px;
  background:var(--brand);
  opacity:.85;
}
@media (min-width:768px){
  .dual-grid{grid-template-columns:1fr 1fr;gap:24px;}
  .text-block{padding:28px;}
}

/* ---------- 2×2 图卡 ---------- */
.media-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
.media-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-card);
  transition:box-shadow .2s ease, transform .2s ease;
  display:flex;
  flex-direction:column;
}
.media-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.media-card:hover .media-title{color:var(--brand-deep);}
.media-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:#EDF0EB;
}
.media-thumb img{
  width:100%;
  height:100%;
  transition:transform .4s ease;
}
.media-card:hover .media-thumb img{transform:scale(1.04);}
.media-thumb .tag{
  position:absolute;
  top:12px;
  right:12px;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(14,21,18,.78);
  color:#fff;
  font-size:12px;
  font-weight:700;
  letter-spacing:.3px;
}
.media-body{padding:20px 22px 24px;}
.media-title{
  font-size:18px;
  font-weight:800;
  color:var(--text);
  transition:color .18s ease;
}
.media-desc{
  margin-top:10px;
  font-size:14px;
  line-height:1.85;
  color:var(--text-2);
}
@media (min-width:768px){
  .media-grid{grid-template-columns:1fr 1fr;gap:24px;}
}

/* ---------- 指标条 ---------- */
.metrics-section{
  padding-top:0;
}
.metrics{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}
.metric{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:18px;
  box-shadow:var(--sh-card);
}
.metric .num{
  font-family:var(--font-num);
  font-size:26px;
  font-weight:800;
  color:var(--brand-deep);
  line-height:1.1;
}
.metric .num small{
  font-size:13px;
  font-weight:700;
  color:var(--text-3);
  margin-left:4px;
}
.metric .label{
  margin-top:8px;
  font-size:13px;
  color:var(--text-2);
  line-height:1.6;
}
@media (min-width:768px){
  .metrics{grid-template-columns:repeat(4,1fr);gap:20px;}
  .metric{padding:22px;}
}

/* ---------- FAQ ---------- */
.faq-list{
  display:flex;
  flex-direction:column;
  gap:12px;
  max-width:860px;
}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  box-shadow:var(--sh-card);
  overflow:hidden;
  position:relative;
  transition:box-shadow .2s ease;
}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:3px;
  background:var(--brand);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform .2s ease;
}
.faq-item.open::before{transform:scaleY(1);}
.faq-item.open{box-shadow:var(--sh-hover);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  background:none;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:700;
  color:var(--text);
  cursor:pointer;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--brand-deep);}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:-4px;}
.faq-icon{
  flex:0 0 auto;
  width:28px;
  height:28px;
  border-radius:50%;
  background:var(--brand-soft);
  color:var(--brand-deep);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  font-weight:800;
  transition:transform .2s ease, background-color .2s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(18,183,106,.2);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .24s ease;
}
.faq-a p{
  padding:0 20px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}
.faq-a a{
  color:var(--brand-deep);
  font-weight:700;
  text-decoration:underline;
  text-underline-offset:3px;
}
.faq-a a:hover{color:var(--brand);}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--ink-bg);
  padding:52px 0;
  margin-top:8px;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-120px;
  top:-140px;
  width:400px;
  height:400px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(255,122,26,.28), transparent 68%);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  flex-direction:column;
  gap:22px;
  align-items:flex-start;
}
.cta-inner h2{
  font-size:24px;
  font-weight:800;
  color:#fff;
  line-height:1.35;
}
.cta-inner p{
  margin-top:10px;
  font-size:15px;
  color:var(--on-dark-2);
  max-width:560px;
  line-height:1.8;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (min-width:768px){
  .cta-band{padding:64px 0;}
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:40px;}
  .cta-inner h2{font-size:28px;}
  .cta-copy{max-width:640px;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-bg);
  border-top:1px solid var(--line-dark);
  color:var(--on-dark-2);
  padding:52px 0 28px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:17px;
  font-weight:800;
}
.footer-brand .brand-mark{width:32px;height:32px;font-size:16px;}
.footer-desc{
  margin-top:14px;
  font-size:14px;
  line-height:1.85;
  color:var(--on-dark-2);
  max-width:320px;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#8FE4B7;
  margin-bottom:14px;
  letter-spacing:.3px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{
  color:var(--on-dark-2);
  font-size:14px;
  transition:color .18s ease;
}
.footer-col ul li a:hover{color:#fff;}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid var(--line-dark);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:#7E9188;
}
.footer-bottom a{color:var(--on-dark-2);}
.footer-bottom a:hover{color:#fff;}
@media (min-width:768px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
}

/* roulang page: category3 */
:root{
  --brand:#12B76A;
  --brand-deep:#0B7A4B;
  --brand-soft:#E9F8F0;
  --accent:#FF7A1A;
  --accent-soft:#FFF1E6;
  --bg:#F6F7F4;
  --surface:#FFFFFF;
  --ink-bg:#0E1512;
  --text:#16201B;
  --text-2:#5A6B62;
  --text-3:#8A968D;
  --line:#E1E6E0;
  --line-dark:rgba(255,255,255,.10);
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-card:0 1px 2px rgba(16,32,24,.04), 0 8px 24px -12px rgba(16,32,24,.12);
  --shadow-hover:0 12px 32px -14px rgba(16,32,24,.22);
  --gap-section:56px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  padding:0;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:768px){
  .container{padding:0 32px;}
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease, background .22s ease;
}
.site-header.scrolled{
  box-shadow:0 10px 26px -18px rgba(16,32,24,.45);
}
.header-inner{
  height:68px;
  display:flex;
  align-items:center;
  gap:14px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:34px;
  height:34px;
  border-radius:10px;
  background:var(--brand);
  color:#fff;
  font-weight:800;
  font-size:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 16px -8px rgba(18,183,106,.8);
}
.brand-text{
  font-size:17px;
  font-weight:800;
  letter-spacing:.2px;
  color:var(--text);
  white-space:nowrap;
}
.main-nav{
  display:none;
}
.main-nav a{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:14px;
  font-weight:600;
  color:var(--text-2);
  border-radius:999px;
  transition:color .15s ease, background .15s ease;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:2px;
  height:2px;
  background:var(--brand);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .15s ease;
}
.main-nav a:hover{color:var(--text);background:#F1F3EF;}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{
  background:var(--brand-soft);
  color:var(--brand-deep);
}
.main-nav a.active::after{transform:scaleX(0);}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:10px;
}
.search-box{
  display:none;
  align-items:center;
  gap:8px;
  width:236px;
  height:40px;
  padding:0 10px 0 12px;
  background:#F1F3EF;
  border:1px solid transparent;
  border-radius:var(--radius-sm);
  transition:background .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.search-box svg{flex-shrink:0;color:var(--text-3);}
.search-box input{
  flex:1;
  min-width:0;
  border:none;
  background:transparent;
  font-size:14px;
  color:var(--text);
  outline:none;
}
.search-box input::placeholder{color:var(--text-3);}
.search-box:focus-within{
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(18,183,106,.16);
}
.kbd{
  font-size:11px;
  line-height:1;
  padding:4px 6px;
  border-radius:6px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--text-3);
  white-space:nowrap;
}
.icon-btn{
  width:40px;
  height:40px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:#fff;
  color:var(--text-2);
  display:flex;
  align-items:center;
  justify-content:center;
  transition:color .15s ease, border-color .15s ease, background .15s ease;
}
.icon-btn:hover{color:var(--brand-deep);border-color:rgba(18,183,106,.45);background:var(--brand-soft);}
.nav-toggle{
  width:40px;
  height:40px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
  display:flex;
  align-items:center;
  justify-content:center;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand-deep);}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:var(--surface);
  padding:16px 0 20px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer .search-box{display:flex;width:100%;margin-bottom:14px;}
.mobile-drawer nav{display:flex;flex-direction:column;gap:4px;}
.mobile-drawer nav a{
  padding:11px 12px;
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  border-radius:var(--radius-sm);
}
.mobile-drawer nav a:hover{background:#F1F3EF;color:var(--text);}
.mobile-drawer nav a.active{background:var(--brand-soft);color:var(--brand-deep);}
.mobile-drawer .btn{margin-top:14px;width:100%;justify-content:center;}
@media (min-width:1024px){
  .main-nav{display:flex;align-items:center;gap:2px;margin-left:14px;}
  .search-box{display:flex;}
  .nav-toggle{display:none;}
  .mobile-drawer{display:none !important;}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:700;
  letter-spacing:.2px;
  transition:background .18s ease, color .18s ease, box-shadow .18s ease, transform .18s ease, border-color .18s ease;
}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:0 10px 22px -14px rgba(18,183,106,.95);
}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(11,122,75,.9);}
.btn-primary:active{transform:translateY(0);background:var(--brand-deep);}
.btn-secondary{
  background:#fff;
  color:var(--brand-deep);
  border:1px solid rgba(18,183,106,.55);
}
.btn-secondary:hover{background:var(--brand-soft);border-color:var(--brand);}
.btn-ghost{
  background:transparent;
  color:#EAF2EC;
  border:1px solid rgba(255,255,255,.55);
}
.btn-ghost:hover{background:#fff;color:var(--text);border-color:#fff;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:700;
  color:var(--brand-deep);
}
.text-link span{transition:transform .18s ease;}
.text-link:hover span{transform:translateX(3px);}

/* ============ 标签 / 徽章 ============ */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  line-height:1.3;
  background:rgba(18,183,106,.10);
  color:var(--brand-deep);
}
.tag-accent{background:var(--accent-soft);color:#B34E06;}
.tag-outline{background:#fff;border:1px solid var(--line);color:var(--text-2);}

/* ============ Hero ============ */
.hero-c3{
  position:relative;
  overflow:hidden;
  padding:64px 0 52px;
  background:
    radial-gradient(760px 320px at 50% -10%, rgba(18,183,106,.16), transparent 70%),
    radial-gradient(520px 260px at 92% 110%, rgba(255,122,26,.10), transparent 72%),
    var(--bg);
  border-bottom:1px solid var(--line);
}
.hero-c3 .inner{
  max-width:760px;
  margin:0 auto;
  text-align:center;
}
.hero-c3 h1{
  margin:18px 0 0;
  font-size:32px;
  line-height:1.32;
  font-weight:900;
  letter-spacing:-.3px;
  color:var(--text);
}
.hero-c3 .hero-sub{
  margin:16px auto 0;
  max-width:620px;
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
}
.hero-c3 .hero-actions{
  margin-top:26px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:center;
}
.hero-c3 .hero-note{
  margin-top:18px;
  font-size:13px;
  color:var(--text-3);
}
@media (min-width:768px){
  .hero-c3{padding:88px 0 68px;}
  .hero-c3 h1{font-size:42px;line-height:1.24;}
}

/* ============ 板块 ============ */
.section{padding:var(--gap-section) 0;}
.section-head{
  max-width:700px;
  margin-bottom:32px;
}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{
  font-size:26px;
  line-height:1.35;
  font-weight:800;
  color:var(--text);
}
.section-head p{
  margin-top:12px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}
@media (min-width:768px){
  .section{padding:88px 0;}
  .section-head h2{font-size:28px;}
}

/* ============ 步骤条 ============ */
.steps-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  padding:28px 22px;
}
@media (min-width:768px){
  .steps-wrap{padding:40px 40px;}
}
.step{
  position:relative;
  display:grid;
  grid-template-columns:52px 1fr;
  gap:16px;
  padding-bottom:30px;
}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";
  position:absolute;
  left:25px;
  top:56px;
  bottom:6px;
  width:2px;
  background:var(--line);
}
.step:last-child::before{display:none;}
.step-num{
  width:52px;
  height:52px;
  border-radius:50%;
  background:var(--brand-soft);
  border:2px solid rgba(18,183,106,.28);
  color:var(--brand-deep);
  font-family:"DIN Alternate","Barlow",sans-serif;
  font-weight:800;
  font-size:20px;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.step-body{
  padding-top:4px;
}
.step-body h3{
  font-size:19px;
  font-weight:700;
  line-height:1.45;
  color:var(--text);
}
.step-body p{
  margin-top:8px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}
.step-body .step-tag{
  display:inline-flex;
  margin-top:10px;
  padding:4px 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  background:#F1F3EF;
  color:var(--text-2);
}
@media (min-width:768px){
  .step{grid-template-columns:64px 1fr;gap:22px;padding-bottom:36px;}
  .step::before{left:31px;top:66px;}
  .step-num{width:64px;height:64px;font-size:22px;}
  .step-body p{font-size:16px;}
}

/* ============ 数据徽章条 ============ */
.stat-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
}
@media (min-width:1024px){
  .stat-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
}
.stat-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:20px;
  box-shadow:var(--shadow-card);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(18,183,106,.35);}
.stat-label{
  font-size:13px;
  font-weight:600;
  color:var(--text-3);
}
.stat-value{
  margin-top:10px;
  font-family:"DIN Alternate","Barlow",sans-serif;
  font-size:27px;
  font-weight:800;
  line-height:1.1;
  color:var(--brand-deep);
}
.stat-value small{
  margin-left:4px;
  font-size:13px;
  font-weight:700;
  color:var(--text-2);
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;
}
.stat-desc{
  margin-top:10px;
  font-size:13px;
  line-height:1.7;
  color:var(--text-2);
}

/* ============ 图文区 ============ */
.split{
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
  align-items:center;
}
@media (min-width:1024px){
  .split{grid-template-columns:1fr 1fr;gap:48px;}
}
.media-card{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:#EDF1EC;
  box-shadow:var(--shadow-card);
  aspect-ratio:16/10;
}
.media-card img{width:100%;height:100%;}
.media-badge{
  position:absolute;
  top:16px;
  right:16px;
  padding:6px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  background:rgba(14,21,18,.78);
  color:#EAF2EC;
  backdrop-filter:blur(4px);
}
.media-caption{
  margin-top:12px;
  font-size:13px;
  color:var(--text-3);
  text-align:center;
}

/* ============ 列表项 ============ */
.list-stack{display:grid;gap:16px;}
.list-item{
  display:flex;
  gap:14px;
  padding:18px 20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-card);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.list-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(18,183,106,.35);}
.list-icon{
  width:38px;
  height:38px;
  border-radius:12px;
  flex-shrink:0;
  background:rgba(18,183,106,.10);
  color:var(--brand-deep);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:15px;
}
.list-item.accent .list-icon{background:var(--accent-soft);color:#B34E06;}
.list-item h3{font-size:16px;font-weight:700;color:var(--text);line-height:1.5;}
.list-item p{margin-top:6px;font-size:14px;line-height:1.8;color:var(--text-2);}

/* ============ 信息条 ============ */
.info-bar{
  display:flex;
  gap:14px;
  align-items:flex-start;
  padding:18px 20px;
  background:#FFF8F2;
  border:1px solid #FFE0C4;
  border-left:4px solid var(--accent);
  border-radius:var(--radius-md);
  margin-top:26px;
}
.info-bar strong{display:block;font-size:15px;color:#8A3D04;font-weight:800;}
.info-bar p{margin-top:6px;font-size:14px;line-height:1.8;color:#7A4A20;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.faq-item.open{border-color:rgba(18,183,106,.45);box-shadow:var(--shadow-hover);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  text-align:left;
  font-size:16px;
  font-weight:700;
  color:var(--text);
  border-left:3px solid transparent;
  transition:border-color .2s ease, color .2s ease;
}
.faq-item.open .faq-q{border-left-color:var(--brand);color:var(--brand-deep);}
.faq-icon{
  width:28px;
  height:28px;
  border-radius:50%;
  flex-shrink:0;
  background:var(--brand-soft);
  color:var(--brand-deep);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  font-weight:800;
  transition:transform .2s ease, background .2s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(18,183,106,.18);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .24s ease;
}
.faq-a-inner{
  padding:0 20px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--ink-bg);
  border-radius:24px;
  padding:34px 24px;
  display:grid;
  gap:22px;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-70px;
  top:-70px;
  width:260px;
  height:260px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(255,122,26,.34), transparent 68%);
  pointer-events:none;
}
.cta-band h2{
  font-size:24px;
  line-height:1.4;
  font-weight:800;
  color:#EAF2EC;
}
.cta-band p{
  margin-top:10px;
  font-size:15px;
  line-height:1.8;
  color:#A9BDB1;
  max-width:560px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  position:relative;
  z-index:1;
}
@media (min-width:900px){
  .cta-band{
    grid-template-columns:1fr auto;
    align-items:center;
    padding:44px 48px;
  }
  .cta-band h2{font-size:28px;}
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:64px;
  background:var(--ink-bg);
  border-top:1px solid var(--line-dark);
  color:#A9BDB1;
  padding:48px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
@media (min-width:640px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
  color:#EAF2EC;
}
.footer-brand .brand-mark{
  width:32px;
  height:32px;
  border-radius:10px;
  font-size:15px;
}
.footer-desc{
  margin-top:14px;
  font-size:14px;
  line-height:1.8;
  color:#A9BDB1;
  max-width:320px;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#BFE7D1;
  margin-bottom:14px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  font-size:14px;
  color:#A9BDB1;
  transition:color .15s ease;
}
.footer-col a:hover{color:#FFFFFF;}
.footer-bottom{
  margin-top:36px;
  padding-top:20px;
  border-top:1px solid var(--line-dark);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  font-size:13px;
  color:#8FA396;
}
.footer-bottom a{color:#BFE7D1;font-weight:600;}
.footer-bottom a:hover{color:#FFFFFF;}