/* roulang page: index */
:root{
  --brand:#12C97A;
  --brand-dark:#0BA465;
  --brand-light:#E6FAF1;
  --purple:#2A1F4E;
  --orange:#FF8A3D;
  --bg:#F6F8F7;
  --dark:#10151A;
  --dark-card:#181E24;
  --text:#0F1A17;
  --text-2:#5A6B66;
  --text-3:#8A9691;
  --border:#E2E8E5;
  --border-2:#CFDDD8;
  --white:#FFFFFF;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-card:0 6px 24px rgba(16,21,26,.08);
  --shadow-hover:0 10px 30px rgba(16,21,26,.14);
  --shadow-dark:0 8px 28px rgba(0,0,0,.35);
  --container:1200px;
  --gap:24px;
  --section:96px;
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-dark);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--brand);}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0 0 12px;font-weight:700;line-height:1.25;color:var(--text);letter-spacing:-.01em;}
h1{font-size:44px;font-weight:800;letter-spacing:-.02em;}
h2{font-size:32px;font-weight:800;}
h3{font-size:20px;}
p{margin:0 0 14px;color:var(--text-2);}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container-x{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--section) 0;}
.section-dark{background:var(--dark);color:#fff;}
.section-dark h2,.section-dark h3{color:#fff;}
.section-dark p{color:rgba(255,255,255,.72);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;color:var(--brand-dark);
  background:var(--brand-light);border-radius:8px;padding:6px 12px;margin-bottom:16px;font-weight:600;
}
.section-dark .section-head .eyebrow{background:rgba(18,201,122,.16);color:var(--brand);}
.section-head p{font-size:17px;}

/* ============ 按钮 ============ */
.btn-brand,.btn-ghost,.btn-ghost-dark,.btn-mini{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);font-weight:600;font-size:15px;
  padding:0 24px;height:48px;border:1px solid transparent;cursor:pointer;
  transition:all .2s ease;text-align:center;
}
.btn-brand{background:var(--brand);color:#08231A;}
.btn-brand:hover{background:var(--brand-dark);color:#062018;box-shadow:0 0 0 3px rgba(18,201,122,.25);}
.btn-brand:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--border-2);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);}
.btn-ghost-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.28);}
.btn-ghost-dark:hover{border-color:var(--brand);color:var(--brand);}
.btn-pill{border-radius:var(--radius-pill);height:44px;padding:0 22px;font-size:14px;}
.btn-mini{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--brand-dark);}
.link-arrow i{transition:transform .2s ease;}
.link-arrow:hover i{transform:translateX(4px);}
.section-dark .link-arrow{color:var(--brand);}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  transition:background-color .25s ease,box-shadow .25s ease,border-color .25s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--border);
  box-shadow:0 4px 18px rgba(16,21,26,.07);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;}
.brand-mark{display:flex;flex-direction:column;line-height:1.05;color:#fff;transition:color .25s ease;}
.brand-mark .brand-main{font-size:20px;font-weight:800;letter-spacing:-.02em;}
.brand-mark .brand-sub{font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.72);margin-top:4px;}
.site-header.scrolled .brand-mark{color:var(--text);}
.site-header.scrolled .brand-mark .brand-sub{color:var(--text-3);}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:rgba(255,255,255,.86);padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-links a:hover{color:#fff;}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:#fff;font-weight:600;}
.site-header.scrolled .nav-links a{color:var(--text-2);}
.site-header.scrolled .nav-links a:hover,
.site-header.scrolled .nav-links a.active{color:var(--text);}
.nav-cta{display:flex;align-items:center;gap:12px;}
.nav-cta .btn-ghost-dark{height:42px;}
.site-header.scrolled .nav-cta .btn-ghost-dark{color:var(--text);border-color:var(--border-2);}
.site-header.scrolled .nav-cta .btn-ghost-dark:hover{color:var(--brand-dark);border-color:var(--brand);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.24);
  background:transparent;color:#fff;align-items:center;justify-content:center;font-size:18px;cursor:pointer;
}
.site-header.scrolled .nav-toggle{color:var(--text);border-color:var(--border-2);}
.mobile-drawer{
  position:fixed;inset:0;z-index:1050;background:var(--dark);
  transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:22px 20px 28px;overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-top{display:flex;align-items:flex-start;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.12);}
.drawer-brand{display:flex;flex-direction:column;color:#fff;}
.drawer-brand .brand-main{font-size:19px;font-weight:800;}
.drawer-brand .brand-sub{font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.72);margin-top:4px;}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.24);background:transparent;color:#fff;font-size:18px;cursor:pointer;}
.drawer-links{display:flex;flex-direction:column;padding:10px 0 0;flex:1;}
.drawer-links a{
  color:#fff;font-size:16px;line-height:44px;padding:6px 0;border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer-links a:hover{color:var(--brand);}
.drawer-cta{margin-top:24px;}
.drawer-cta .btn-brand{width:100%;}
body.no-scroll{overflow:hidden;}

/* ============ Hero ============ */
.hero{
  position:relative;background:var(--dark);color:#fff;overflow:hidden;
  padding:150px 0 84px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.9;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,#10151A 0%,rgba(16,21,26,.72) 45%,rgba(16,21,26,.95) 100%);
}
.hero .dots{
  position:absolute;inset:0;z-index:1;
  background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px);
  background-size:22px 22px;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--brand);background:rgba(18,201,122,.14);border:1px solid rgba(18,201,122,.32);
  border-radius:var(--radius-pill);padding:7px 16px;margin-bottom:22px;
}
.hero h1{color:#fff;font-size:44px;line-height:1.22;margin-bottom:18px;}
.hero h1 .hl{
  background:linear-gradient(180deg,transparent 62%,rgba(18,201,122,.42) 62%);
  padding:0 2px;
}
.hero-sub{font-size:18px;color:rgba(255,255,255,.82);line-height:1.7;margin-bottom:16px;max-width:560px;}
.hero-points{font-size:14px;color:rgba(255,255,255,.6);margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-actions .btn-brand,.hero-actions .btn-ghost-dark{height:52px;padding:0 28px;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;
  border:1px solid rgba(255,255,255,.14);box-shadow:var(--shadow-dark);
}
.hero-stat-float{
  position:absolute;left:-20px;bottom:26px;background:#fff;color:var(--text);
  border-radius:14px;padding:14px 18px;box-shadow:0 12px 32px rgba(0,0,0,.32);
  display:flex;align-items:center;gap:12px;
}
.hero-stat-float .num{font-size:26px;font-weight:800;color:var(--brand-dark);line-height:1;}
.hero-stat-float .txt{font-size:13px;color:var(--text-2);line-height:1.5;}
.hero-stat-float-2{
  position:absolute;right:-16px;top:24px;background:rgba(24,30,36,.94);
  border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:12px 16px;
  display:flex;align-items:center;gap:10px;box-shadow:var(--shadow-dark);
}
.hero-stat-float-2 .num{font-size:22px;font-weight:800;color:var(--brand);line-height:1;}
.hero-stat-float-2 .txt{font-size:12px;color:rgba(255,255,255,.72);line-height:1.5;}

/* ============ 锚点条 ============ */
.anchor-bar{background:#fff;border-bottom:1px solid var(--border);}
.anchor-bar-inner{display:flex;gap:12px;overflow-x:auto;padding:16px 0;scrollbar-width:none;}
.anchor-bar-inner::-webkit-scrollbar{display:none;}
.anchor-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 18px;border-radius:var(--radius-pill);
  background:var(--bg);border:1px solid var(--border);color:var(--text-2);
  font-size:14px;font-weight:500;white-space:nowrap;
}
.anchor-pill:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-light);}

/* ============ 数据条 ============ */
.stats{background:#fff;border-bottom:1px solid var(--border);padding:52px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.stat-item{text-align:left;padding-left:18px;border-left:3px solid var(--brand-light);}
.stat-item .num{font-size:28px;font-weight:800;color:var(--brand-dark);letter-spacing:-.02em;line-height:1.2;}
.stat-item .lbl{font-size:14px;color:var(--text-2);margin-top:6px;}

/* ============ 卖点 Bento ============ */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.bento-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-card);transition:all .2s ease;display:flex;flex-direction:column;
}
.bento-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#d6e2dd;}
.bento-card .ico{
  width:48px;height:48px;border-radius:14px;background:var(--brand-light);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:18px;
}
.bento-card h3{margin-bottom:10px;}
.bento-card p{font-size:15px;margin-bottom:18px;}
.bento-card .link-arrow{margin-top:auto;}
.bento-large{grid-column:span 2;grid-row:span 2;padding:34px;background:var(--dark);border-color:rgba(255,255,255,.12);}
.bento-large h3{color:#fff;font-size:24px;}
.bento-large p{color:rgba(255,255,255,.72);font-size:15px;}
.bento-large .ico{background:rgba(18,201,122,.16);color:var(--brand);}
.bento-large img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px;margin-top:22px;border:1px solid rgba(255,255,255,.1);}
.bento-large .link-arrow{color:var(--brand);margin-top:20px;}
.bento-list{display:grid;gap:10px;margin-bottom:18px;}
.bento-list li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.78);}
.bento-list li i{color:var(--brand);margin-top:5px;font-size:12px;}

/* ============ 演示区 ============ */
.demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.demo-visual{position:relative;padding:0 16px 16px 0;}
.demo-visual .layer-back{
  position:absolute;right:0;bottom:0;width:88%;height:88%;
  border-radius:18px;background:rgba(18,201,122,.14);border:1px solid rgba(18,201,122,.24);
  transform:translate(16px,16px);
}
.demo-visual .layer-front{
  position:relative;border-radius:18px;overflow:hidden;border:1px solid rgba(255,255,255,.14);
  box-shadow:var(--shadow-dark);
}
.demo-visual .layer-front img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.demo-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.demo-tab{
  height:38px;padding:0 18px;border-radius:var(--radius-pill);font-size:14px;font-weight:600;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.76);
  cursor:pointer;transition:all .2s ease;
}
.demo-tab.active{background:var(--brand);border-color:var(--brand);color:#08231A;}
.demo-tab:hover{color:#fff;border-color:var(--brand);}
.demo-steps{display:grid;gap:20px;}
.demo-step{display:flex;gap:18px;align-items:flex-start;}
.demo-step .idx{
  flex:0 0 auto;width:44px;height:44px;border-radius:50%;border:1px solid var(--brand);
  color:var(--brand);font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center;
}
.demo-step h3{font-size:17px;margin-bottom:6px;}
.demo-step p{font-size:14px;margin:0;}

/* ============ 证据区 ============ */
.proof-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:48px;}
.proof-row:last-of-type{margin-bottom:0;}
.proof-row img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--radius-card);box-shadow:var(--shadow-card);}
.proof-row .num-tag{font-size:13px;font-weight:700;color:var(--brand-dark);letter-spacing:.08em;margin-bottom:10px;display:block;}
.proof-quote{
  background:#fff;border:1px solid var(--border);border-left:3px solid var(--brand);
  border-radius:12px;padding:18px 20px;margin-top:18px;font-size:15px;color:var(--text-2);
}
.proof-quote .who{display:flex;align-items:center;gap:12px;margin-top:14px;font-size:13px;color:var(--text-3);}
.proof-quote .avatar{
  width:40px;height:40px;border-radius:50%;background:var(--brand-light);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;
}
.proof-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);margin-top:44px;}
.metric-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-card);}
.metric-card .num{font-size:26px;font-weight:800;color:var(--brand-dark);}
.metric-card .lbl{font-size:14px;color:var(--text-2);margin-top:4px;}

/* ============ 资讯列表 ============ */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.news-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-card);transition:all .2s ease;display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.news-thumb{position:relative;display:block;overflow:hidden;}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.badge-tag{
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;
  background:var(--brand-light);color:var(--brand-dark);border-radius:8px;padding:4px 10px;margin-bottom:12px;
}
.news-body h3{font-size:18px;line-height:1.45;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body h3 a{color:var(--text);}
.news-body h3 a:hover{color:var(--brand-dark);}
.news-body p{
  font-size:14px;line-height:1.75;color:var(--text-2);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);padding-top:14px;border-top:1px solid var(--border);
}
.news-meta a{margin-left:auto;font-weight:600;}
.news-empty{
  grid-column:1/-1;background:#fff;border:1px dashed var(--border-2);border-radius:var(--radius-card);
  padding:56px 24px;text-align:center;
}
.news-empty i{font-size:48px;color:var(--border-2);display:block;margin-bottom:16px;}
.news-empty p{font-size:15px;margin-bottom:20px;}

/* ============ 价格 ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);align-items:start;}
.price-card{
  position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-card);transition:all .2s ease;display:flex;flex-direction:column;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.price-card.featured{
  border:2px solid var(--brand);transform:translateY(-8px);
  box-shadow:0 14px 36px rgba(18,201,122,.18);
}
.price-card.featured:hover{transform:translateY(-12px);}
.price-flag{
  position:absolute;top:-14px;left:28px;background:var(--orange);color:#fff;font-size:12px;font-weight:700;
  padding:5px 14px;border-radius:8px;letter-spacing:.04em;
}
.price-name{font-size:16px;font-weight:700;color:var(--text);margin-bottom:6px;}
.price-desc{font-size:13px;color:var(--text-3);margin-bottom:18px;}
.price-num{font-size:36px;font-weight:800;color:var(--text);letter-spacing:-.02em;line-height:1.1;}
.price-num span{font-size:14px;font-weight:500;color:var(--text-3);letter-spacing:0;}
.price-unit{font-size:13px;color:var(--text-3);margin:6px 0 22px;}
.price-list{display:grid;gap:12px;margin-bottom:26px;}
.price-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);}
.price-list li i{color:var(--brand);margin-top:5px;font-size:13px;}
.price-card .btn-brand,.price-card .btn-ghost{width:100%;margin-top:auto;}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start;}
.faq-aside h2{margin-bottom:14px;}
.faq-aside p{font-size:16px;}
.faq-list{border-top:1px solid var(--border);}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0 20px 14px;font-size:16px;font-weight:600;color:var(--text);
  position:relative;transition:color .2s ease;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;
  background:var(--brand);transform:scaleY(0);transform-origin:top;transition:transform .2s ease;
}
.faq-item.open .faq-q{color:var(--brand-dark);}
.faq-item.open .faq-q::before{transform:scaleY(1);}
.faq-icon{flex:0 0 auto;font-size:20px;font-weight:400;color:var(--brand-dark);line-height:1;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .22s ease,opacity .16s ease;opacity:0;
}
.faq-item.open .faq-a{opacity:1;}
.faq-a-inner{padding:0 0 22px 14px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ============ 尾部 CTA ============ */
.cta-section{background:var(--dark);position:relative;overflow:hidden;padding:var(--section) 0;}
.cta-section .dots{
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.1) 1px,transparent 1px);
  background-size:24px 24px;
}
.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start;}
.cta-copy h2{color:#fff;font-size:32px;margin-bottom:16px;}
.cta-copy p{color:rgba(255,255,255,.72);font-size:16px;}
.cta-points{display:grid;gap:12px;margin-top:22px;}
.cta-points li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.78);}
.cta-points li i{color:var(--brand);margin-top:5px;font-size:13px;}
.form-card{
  background:var(--dark-card);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-card);
  padding:30px;box-shadow:var(--shadow-dark);
}
.form-row{margin-bottom:18px;}
.form-row label{display:block;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:8px;}
.form-row input,.form-row textarea{
  width:100%;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-btn);color:#fff;padding:0 16px;height:48px;
  transition:border-color .2s ease,box-shadow .2s ease;outline:none;
}
.form-row textarea{height:auto;min-height:112px;padding:14px 16px;resize:vertical;line-height:1.7;}
.form-row input::placeholder,.form-row textarea::placeholder{color:rgba(255,255,255,.36);}
.form-row input:focus,.form-row textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,201,122,.2);
}
.form-err{display:none;font-size:13px;color:#E5484D;margin-top:6px;}
.form-err.show{display:block;}
.form-note{font-size:12px;color:rgba(255,255,255,.5);margin:14px 0 0;}
.form-card .btn-brand{width:100%;height:50px;margin-top:6px;}
.form-ok{display:none;font-size:14px;color:var(--brand);margin-top:14px;}
.form-ok.show{display:block;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:66px 0 26px;border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand-main{font-size:20px;font-weight:800;color:#fff;letter-spacing:-.02em;}
.footer-brand .brand-sub{font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.6);margin:6px 0 16px;}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.62);line-height:1.8;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);}
.footer-col a:hover{color:var(--brand);}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.66);display:flex;gap:10px;}
.footer-contact li i{color:var(--brand);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.48);
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1030;
  display:inline-flex;align-items:center;gap:8px;
  min-width:132px;height:48px;padding:0 22px;border-radius:var(--radius-pill);
  background:var(--brand);color:#08231A;font-weight:700;font-size:15px;
  box-shadow:0 10px 28px rgba(18,201,122,.34);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:all .25s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--brand-dark);color:#062018;}
.back-top{
  position:fixed;right:24px;bottom:84px;z-index:1030;width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--border-2);color:var(--text-2);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:var(--shadow-card);opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s ease;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{color:var(--brand-dark);border-color:var(--brand);}
.mobile-bar{display:none;}

@media (max-width:1199px){
  h1{font-size:40px;}
  .hero h1{font-size:40px;}
}
@media (max-width:991px){
  :root{--section:72px;}
  h1{font-size:34px;}
  h2{font-size:27px;}
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{padding:124px 0 64px;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:34px;}
  .hero-visual{max-width:560px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .bento{grid-template-columns:repeat(2,1fr);}
  .bento-large{grid-column:span 2;grid-row:auto;}
  .demo-grid{grid-template-columns:1fr;gap:36px;}
  .proof-row{grid-template-columns:1fr;gap:28px;}
  .proof-row.reverse .proof-text{order:2;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .price-grid{grid-template-columns:1fr;max-width:520px;}
  .price-card.featured{transform:none;}
  .price-card.featured:hover{transform:translateY(-4px);}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .cta-grid{grid-template-columns:1fr;gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--section:56px;--gap:16px;}
  .container-x{padding:0 16px;}
  h1{font-size:30px;}
  .hero h1{font-size:30px;}
  .hero{padding:112px 0 56px;}
  .hero-sub{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost-dark{width:100%;}
  .hero-stat-float{left:0;bottom:-14px;}
  .hero-stat-float-2{right:0;top:-14px;}
  .bento{grid-template-columns:1fr;}
  .bento-large{grid-column:span 1;padding:26px;}
  .news-grid{grid-template-columns:1fr;}
  .news-head{flex-direction:column;align-items:flex-start;}
  .proof-metrics{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .float-cta,.back-top{display:none;}
  .mobile-bar{
    display:flex;align-items:center;gap:12px;position:fixed;left:0;right:0;bottom:0;z-index:1035;
    background:rgba(255,255,255,.98);border-top:1px solid var(--border);
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    box-shadow:0 -6px 20px rgba(16,21,26,.08);
  }
  .mobile-bar .btn-brand{flex:1;height:44px;}
  .mobile-top{
    flex:0 0 auto;width:44px;height:44px;border-radius:50%;border:1px solid var(--border-2);
    background:#fff;color:var(--text-2);display:flex;align-items:center;justify-content:center;
  }
  .site-footer{padding-bottom:96px;}
}
section[id]{scroll-margin-top:84px;}

/* roulang page: article */
:root{
  --brand:#12C97A;
  --brand-dark:#0BA465;
  --brand-soft:#E6FAF1;
  --purple:#2A1F4E;
  --orange:#FF8A3D;
  --bg:#F6F8F7;
  --dark:#10151A;
  --dark-card:#181E24;
  --card:#FFFFFF;
  --text:#0F1A17;
  --text-2:#5A6B66;
  --text-3:#8A9691;
  --line:#E2E8E5;
  --line-strong:#CFDDD8;
  --line-dark:rgba(255,255,255,.12);
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow:0 6px 24px rgba(16,21,26,.08);
  --shadow-hover:0 10px 30px rgba(16,21,26,.14);
  --shadow-dark:0 8px 28px rgba(0,0,0,.35);
  --container:1200px;
  --bs-primary:#12C97A;
  --bs-body-color:#0F1A17;
  --bs-border-color:#E2E8E5;
  --bs-link-color:#0BA465;
  --bs-link-hover-color:#12C97A;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-top:76px;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-0.01em}
p{margin:0}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
::selection{background:var(--brand-soft);color:var(--brand-dark)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.scrolled{box-shadow:0 4px 20px rgba(16,21,26,.09)}
.nav-inner{display:flex;align-items:center;gap:28px;height:76px;position:relative}
.brand-mark{display:flex;flex-direction:column;line-height:1.05;flex-shrink:0}
.brand-main{font-size:20px;font-weight:800;letter-spacing:-0.02em;color:var(--text)}
.brand-sub{font-size:12px;letter-spacing:.12em;color:var(--text-3);margin-top:3px}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:6px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--brand-dark)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--text);font-weight:600}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:12px}
.btn-brand,.btn-ghost-dark,.btn-ghost-light,.btn-brand-sm{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .15s ease;
}
.btn-brand{background:var(--brand);color:#05301F;border-color:var(--brand)}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;box-shadow:0 0 0 3px rgba(18,201,122,.25)}
.btn-brand:active{transform:translateY(1px)}
.btn-ghost-dark{background:#fff;color:var(--text);border-color:var(--line-strong)}
.btn-ghost-dark:hover{border-color:var(--brand);color:var(--brand-dark)}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.34)}
.btn-ghost-light:hover{border-color:var(--brand);color:var(--brand)}
.btn-pill{border-radius:var(--r-pill);height:40px;padding:0 20px;font-size:14px}
.btn-brand-sm{background:var(--brand);color:#05301F;border-color:var(--brand);height:40px;padding:0 18px;font-size:14px;border-radius:var(--r-pill)}
.btn-brand-sm:hover{background:var(--brand-dark);color:#fff}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);
  background:#fff;color:var(--text);font-size:18px;
}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:24px 0 0;font-size:14px;color:var(--text-3);
}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--brand-dark)}
.crumbs .sep{color:var(--text-3)}
.crumbs .current{color:var(--text-3);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-layout{max-width:780px;margin:0 auto;padding:32px 24px 0}
.article-head{padding-bottom:28px;border-bottom:1px solid var(--line)}
.badge-cat{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  background:var(--brand-soft);color:var(--brand-dark);
  border-radius:8px;font-size:13px;font-weight:600;letter-spacing:.02em;
}
.article-head h1{
  font-size:36px;line-height:1.3;margin:16px 0 14px;letter-spacing:-0.02em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--text-2);
}
.article-meta .dot{color:var(--text-3)}
.article-cover{
  margin:24px 0 0;border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow);aspect-ratio:21/9;background:#E7EDEB;
}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* ---------- 正文 ---------- */
.article-body{
  padding:36px 0 8px;
  font-size:17px;line-height:1.9;color:#1B2622;
}
.article-body > * + *{margin-top:1.2em}
.article-body p{margin:0}
.article-body h2{
  position:relative;font-size:20px;line-height:1.4;font-weight:800;
  margin:40px 0 16px;padding-left:14px;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;
  border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:18px;font-weight:700;margin:28px 0 12px;color:var(--text)}
.article-body h4{font-size:16px;font-weight:700;margin:22px 0 10px}
.article-body ul,.article-body ol{margin:16px 0;padding:0}
.article-body li{position:relative;padding-left:22px;margin:8px 0;line-height:1.9}
.article-body ul > li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:2px;
  background:var(--brand);
}
.article-body ol{counter-reset:li}
.article-body ol > li{counter-increment:li;padding-left:28px}
.article-body ol > li::before{
  content:counter(li,decimal-leading-zero);
  position:absolute;left:0;top:0;color:var(--brand-dark);font-weight:700;font-size:14px;line-height:2.35;
}
.article-body blockquote{
  background:#F0F5F3;border-left:3px solid var(--brand);
  padding:20px 22px;border-radius:0 12px 12px 0;color:var(--text-2);margin:24px 0;
}
.article-body blockquote p{margin:0}
.article-body img{border-radius:12px;margin:28px auto 0;max-width:100%}
.article-body a{color:var(--brand-dark);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.article-body a:hover{color:var(--brand)}
.article-body strong{font-weight:700;color:var(--text)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  border-radius:12px;margin:24px 0;font-size:15px;
}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.article-body thead th{background:var(--brand-soft);color:var(--brand-dark);font-weight:700}
.article-body tbody tr:nth-child(even){background:#FAFCFB}
.article-body figure{margin:28px 0 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.empty-box{
  text-align:center;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:56px 24px;box-shadow:var(--shadow);
}
.empty-box i{font-size:44px;color:var(--brand);display:block;margin-bottom:16px}
.empty-box h2{font-size:20px;margin:0 0 10px;padding:0;color:var(--text)}
.empty-box h2::before{display:none}
.empty-box p{color:var(--text-2);font-size:15px;margin-bottom:22px}

/* ---------- 标签 ---------- */
.tag-list{display:flex;flex-wrap:wrap;gap:10px;padding:32px 0 8px;border-top:1px solid var(--line);margin-top:32px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  background:#fff;border:1px solid var(--line-strong);border-radius:var(--r-pill);
  font-size:13px;color:var(--text-2);
}
.tag:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft)}

/* ---------- 相关推荐 ---------- */
.rel-section{padding:56px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.section-head h2{font-size:24px}
.section-head p{font-size:14px;color:var(--text-2);margin-top:6px}
.section-head .more{font-size:14px;color:var(--brand-dark);font-weight:600}
.section-head .more:hover{color:var(--brand)}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.rel-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#E7EDEB}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover}
.rel-card .rel-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card h3{
  font-size:17px;line-height:1.45;font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card p{
  font-size:14px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card .rel-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}
.rel-card .rel-foot span.link{color:var(--brand-dark);font-weight:600}
.back-row{display:flex;justify-content:center;padding:36px 0 0}

/* ---------- 深色 CTA ---------- */
.cta-band{
  margin-top:64px;background:var(--dark);color:#fff;position:relative;overflow:hidden;
  padding:72px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;pointer-events:none;
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-inner h2{font-size:28px;color:#fff;margin-bottom:12px}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.72);max-width:560px;line-height:1.8}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-actions .btn-brand{height:48px;padding:0 26px}
.cta-actions .btn-ghost-light{height:48px;padding:0 26px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#fff;padding:64px 0 28px;border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-main{color:#fff;font-size:20px}
.footer-brand .brand-sub{color:rgba(255,255,255,.55)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.68);display:flex;gap:10px;align-items:flex-start}
.footer-contact i{margin-top:5px;color:var(--brand);font-size:13px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line-dark);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 浮动元素 ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1035;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-width:132px;height:48px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--brand);color:#05301F;font-weight:700;font-size:15px;
  box-shadow:0 10px 26px rgba(18,201,122,.32);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .28s ease,transform .28s ease,background-color .2s ease;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{background:var(--brand-dark);color:#fff}
.to-top{
  position:fixed;right:24px;bottom:84px;z-index:1034;
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line-strong);
  background:#fff;color:var(--text);display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow);opacity:0;transform:translateY(10px);pointer-events:none;
  transition:opacity .28s ease,transform .28s ease,border-color .2s ease,color .2s ease;
}
.to-top.show{opacity:1;transform:translateY(0);pointer-events:auto}
.to-top:hover{border-color:var(--brand);color:var(--brand-dark)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
  .footer-grid .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:991.98px){
  body{padding-top:64px}
  .nav-inner{height:64px;gap:16px}
  .nav-links,.nav-cta{
    position:fixed;left:0;right:0;background:var(--dark);
    flex-direction:column;align-items:flex-start;gap:0;
    padding:0 24px;margin:0;
    transition:transform .3s ease,opacity .3s ease;
    z-index:1041;
  }
  .nav-links{
    top:0;bottom:96px;padding-top:96px;overflow-y:auto;
    transform:translateY(-100%);opacity:0;pointer-events:none;
  }
  .nav-links a{
    width:100%;height:52px;line-height:52px;padding:0;
    color:rgba(255,255,255,.86);font-size:16px;
    border-bottom:1px solid var(--line-dark);
  }
  .nav-links a::after{display:none}
  .nav-links a:hover,.nav-links a.active{color:var(--brand)}
  .nav-cta{
    bottom:0;flex-direction:row;flex-wrap:wrap;gap:10px;
    padding:14px 24px calc(14px + env(safe-area-inset-bottom));
    border-top:1px solid var(--line-dark);
    transform:translateY(100%);opacity:0;pointer-events:none;
  }
  .nav-cta .btn-pill{flex:1 1 auto;height:44px}
  body.nav-open .nav-links,body.nav-open .nav-cta{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-toggle{display:flex;margin-left:auto;position:relative;z-index:1042}
  body.nav-open .nav-toggle{
    position:fixed;top:10px;right:16px;background:transparent;border-color:rgba(255,255,255,.3);color:#fff;
  }
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .article-head h1{font-size:30px}
  .cta-inner h2{font-size:24px}
}
@media (max-width:767.98px){
  .container-x{padding:0 16px}
  .article-layout{padding:24px 16px 0}
  .crumbs{padding-top:18px}
  .crumbs .current{max-width:100%;white-space:normal}
  .article-head h1{font-size:26px}
  .article-cover{aspect-ratio:16/9}
  .article-body{font-size:16px;padding-top:28px}
  .article-body h2{font-size:19px;margin-top:32px}
  .rel-grid{grid-template-columns:1fr;gap:16px}
  .cta-band{margin-top:48px;padding:52px 0}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
  .cta-actions{width:100%}
  .cta-actions a{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .float-cta{
    left:12px;right:12px;bottom:12px;min-width:0;height:52px;border-radius:14px;
  }
  .to-top{right:16px;bottom:76px}
}
@media (max-width:575.98px){
  .section-head h2{font-size:21px}
  .empty-box{padding:40px 18px}
}

/* roulang page: category1 */
:root{
  --brand:#12C97A;
  --brand-dark:#0BA465;
  --brand-light:#E6FAF1;
  --purple:#2A1F4E;
  --accent:#FF8A3D;
  --bg:#F6F8F7;
  --dark:#10151A;
  --dark-card:#181E24;
  --text:#0F1A17;
  --text-2:#5A6B66;
  --text-3:#8A9691;
  --border:#E2E8E5;
  --border-strong:#CFDDD8;
  --radius:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-sm:0 6px 24px rgba(16,21,26,.08);
  --shadow-lg:0 10px 30px rgba(16,21,26,.14);
  --shadow-dark:0 8px 28px rgba(0,0,0,.35);
  --container:1200px;
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.lock{overflow:hidden}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em}
h1{font-size:44px}
h2{font-size:32px}
h3{font-size:20px;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,opacity .2s ease}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container-x{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  color:#fff;
  background:transparent;
  transition:background .25s ease,box-shadow .25s ease,color .25s ease,border-color .25s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(255,255,255,.96);
  color:var(--text);
  border-bottom:1px solid var(--border);
  box-shadow:0 4px 20px rgba(16,21,26,.07);
  backdrop-filter:blur(6px);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:74px}
.brand-mark{display:flex;flex-direction:column;line-height:1.1;flex-shrink:0}
.brand-main{font-size:20px;font-weight:800;letter-spacing:-.02em}
.brand-sub{font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.72);transition:color .25s ease}
.site-header.scrolled .brand-sub{color:var(--text-2)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:500;
  padding:6px 0;
  opacity:.86;
}
.nav-links a:hover{opacity:1;color:var(--brand)}
.nav-links a.active{opacity:1;font-weight:600}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-4px;
  height:3px;
  border-radius:2px;
  background:var(--brand);
}
.nav-cta{display:flex;align-items:center;gap:12px;flex-shrink:0}
.btn-brand{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:var(--brand);
  color:#06231A;
  font-weight:700;
  font-size:15px;
  padding:12px 22px;
  border-radius:var(--radius-sm);
  transition:background .2s ease,transform .12s ease,box-shadow .2s ease,color .2s ease;
  border:1px solid transparent;
}
.btn-brand:hover{background:var(--brand-dark);color:#04231A;box-shadow:0 0 0 3px rgba(18,201,122,.25)}
.btn-brand:active{transform:translateY(1px)}
.btn-pill{border-radius:var(--radius-pill)}
.btn-ghost-dark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border:1px solid rgba(255,255,255,.35);
  color:#fff;
  font-size:15px;
  font-weight:600;
  border-radius:var(--radius-sm);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.btn-ghost-dark:hover{border-color:var(--brand);color:var(--brand)}
.site-header.scrolled .btn-ghost-dark{border-color:var(--border-strong);color:var(--text)}
.site-header.scrolled .btn-ghost-dark:hover{border-color:var(--brand);color:var(--brand)}
.btn-outline{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  background:#fff;
  border:1px solid var(--border-strong);
  color:var(--text);
  font-weight:600;
  font-size:15px;
  border-radius:var(--radius-sm);
  transition:border-color .2s ease,color .2s ease,transform .12s ease,box-shadow .2s ease;
}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);box-shadow:0 0 0 3px rgba(18,201,122,.16)}
.btn-lg{font-size:16px;padding:15px 30px}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  font-size:19px;
  color:inherit;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.28);
}
.site-header.scrolled .nav-toggle{border-color:var(--border-strong);color:var(--text)}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;
  inset:0;
  z-index:200;
  background:var(--dark);
  color:#fff;
  display:flex;
  flex-direction:column;
  padding:22px 20px 28px;
  transform:translateX(100%);
  transition:transform .3s ease;
  visibility:hidden;
}
.drawer.open{transform:translateX(0);visibility:visible}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-close{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.2);
  border-radius:12px;
  color:#fff;
  font-size:18px;
}
.drawer-links{display:flex;flex-direction:column;margin-bottom:auto}
.drawer-links a{
  display:flex;
  align-items:center;
  height:52px;
  font-size:16px;
  color:rgba(255,255,255,.86);
  border-bottom:1px solid rgba(255,255,255,.12);
}
.drawer-links a.active{color:var(--brand);font-weight:600}
.drawer-cta{width:100%;margin-top:24px;padding:16px;font-size:16px;border-radius:14px}

/* ---------- 页头横幅 ---------- */
.page-hero{
  position:relative;
  padding:150px 0 62px;
  min-height:240px;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(16,21,26,.86) 0%,rgba(16,21,26,.72) 55%,rgba(16,21,26,.9) 100%);
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.5;
}
.page-hero .container-x{position:relative;z-index:2}
.crumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.66);
  margin-bottom:20px;
}
.crumb a:hover{color:var(--brand)}
.crumb .cur{color:rgba(255,255,255,.72)}
.page-hero h1{font-size:44px;margin-bottom:16px}
.page-hero-sub{
  font-size:17px;
  color:rgba(255,255,255,.78);
  max-width:640px;
  line-height:1.8;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  padding:7px 14px;
  border-radius:8px;
  background:rgba(18,201,122,.14);
  border:1px solid rgba(18,201,122,.35);
  color:#8FF0C4;
}

/* ---------- 板块通用 ---------- */
.sec{padding:88px 0}
.sec-tight{padding:56px 0 0}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--brand-dark);
  background:var(--brand-light);
  padding:6px 12px;
  border-radius:8px;
  margin-bottom:16px;
}
.sec-head h2{margin-bottom:14px}
.sec-head p{font-size:17px;color:var(--text-2)}

.lead-text{
  font-size:18px;
  line-height:1.9;
  color:var(--text-2);
  max-width:860px;
}

/* ---------- 数据条 ---------- */
.stat-bar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--border);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  margin-top:44px;
}
.stat-item{
  background:#fff;
  padding:28px 24px;
}
.stat-num{
  font-size:28px;
  font-weight:800;
  color:var(--brand);
  letter-spacing:-.02em;
  line-height:1.2;
}
.stat-num small{font-size:15px;font-weight:700;margin-left:2px}
.stat-label{font-size:14px;color:var(--text-2);margin-top:6px}

/* ---------- Z 型长条卡 ---------- */
.zlist{display:flex;flex-direction:column;gap:28px}
.zrow{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:center;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:36px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.zrow:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.zrow.reverse .z-media{order:-1}
.z-text{display:flex;flex-direction:column;gap:14px}
.z-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  border:1px solid var(--brand);
  border-radius:50%;
  color:var(--brand);
  font-weight:800;
  font-size:15px;
  letter-spacing:.02em;
  background:var(--brand-light);
}
.z-text h3{font-size:22px}
.z-text p{font-size:15.5px;color:var(--text-2);line-height:1.85}
.z-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  color:var(--brand-dark);
}
.z-link:hover{color:var(--brand);gap:12px}
.z-media{
  position:relative;
  aspect-ratio:5/4;
  border-radius:var(--radius-sm);
  overflow:hidden;
  background:var(--brand-light);
}
.z-media img{width:100%;height:100%;object-fit:cover}
.z-badge{
  position:absolute;
  left:14px;top:14px;
  font-size:12px;
  font-weight:700;
  color:var(--brand-dark);
  background:rgba(230,250,241,.94);
  border-radius:8px;
  padding:5px 10px;
  letter-spacing:.04em;
}

/* ---------- 自查清单 ---------- */
.check-sec{background:#F0F5F3}
.check-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px 24px;
  margin-top:8px;
}
.check-item{
  display:flex;
  gap:14px;
  align-items:flex-start;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:20px 22px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:var(--border-strong)}
.check-item i{
  color:var(--brand);
  font-size:16px;
  margin-top:6px;
  flex-shrink:0;
}
.check-item strong{display:block;font-size:16px;font-weight:700;margin-bottom:4px}
.check-item span{font-size:14.5px;color:var(--text-2);line-height:1.8}
.check-note{
  margin-top:28px;
  background:#fff;
  border-left:3px solid var(--brand);
  border-radius:var(--radius-sm);
  padding:20px 24px;
  font-size:15px;
  color:var(--text-2);
}

/* ---------- 尾部 CTA ---------- */
.cta-sec{
  position:relative;
  background:var(--dark);
  color:#fff;
  padding:88px 0;
  overflow:hidden;
}
.cta-sec::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.11) 1px,transparent 1px);
  background-size:24px 24px;
  opacity:.7;
  pointer-events:none;
}
.cta-sec .container-x{position:relative;z-index:2}
.cta-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:start}
.cta-copy h2{margin-bottom:16px}
.cta-copy p{color:rgba(255,255,255,.72);font-size:16.5px;max-width:520px}
.cta-meta{margin-top:28px;display:flex;flex-direction:column;gap:12px}
.cta-meta span{display:flex;align-items:center;gap:10px;font-size:14.5px;color:rgba(255,255,255,.72)}
.cta-meta i{color:var(--brand)}
.cta-card{
  background:var(--dark-card);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);
  padding:32px;
  box-shadow:var(--shadow-dark);
}
.cta-form{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field-full{grid-column:1/-1}
.field label{font-size:13px;color:rgba(255,255,255,.72)}
.field input,.field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-sm);
  color:#fff;
  font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:112px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.36)}
.field input:focus,.field textarea:focus{
  outline:none;
  border-color:var(--brand);
  background:rgba(255,255,255,.07);
  box-shadow:0 0 0 3px rgba(18,201,122,.2);
}
.field.invalid input,.field.invalid textarea{border-color:#E5484D}
.err{display:none;font-size:13px;color:#E5484D}
.field.invalid .err{display:block}
.form-actions{grid-column:1/-1;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-actions .btn-brand{border-radius:var(--radius-sm)}
.form-tip{grid-column:1/-1;font-size:13px;color:rgba(255,255,255,.5)}
.form-ok{display:none;font-size:14px;color:var(--brand)}
.form-ok.show{display:block}

/* ---------- 分类互链 ---------- */
.cat-links{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:center;
  margin-top:36px;
}
.cat-links a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 22px;
  border-radius:var(--radius-pill);
  background:#fff;
  border:1px solid var(--border-strong);
  font-size:15px;
  font-weight:600;
  color:var(--text);
  transition:border-color .2s ease,color .2s ease,transform .12s ease,box-shadow .2s ease;
}
.cat-links a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:0 0 0 3px rgba(18,201,122,.14)}
.cat-links a.current{background:var(--brand);border-color:var(--brand);color:#06231A}
.cat-cta-wrap{display:flex;justify-content:center;margin-top:32px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.72);
  padding:72px 0 28px;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand-main{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.6);margin-top:2px}
.footer-brand p{margin-top:16px;line-height:1.85;color:rgba(255,255,255,.6);font-size:14px}
.footer-col h4{
  color:#fff;
  font-size:16px;
  font-weight:700;
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{color:rgba(255,255,255,.7);font-size:14.5px}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.7);font-size:14.5px}
.footer-contact i{color:var(--brand);width:16px;text-align:center}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:24px;
  font-size:13px;
  color:var(--text-3);
}

/* ---------- 浮动 CTA / 回顶 ---------- */
.float-cta{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:140;
  min-width:132px;
  height:48px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0 22px;
  border-radius:var(--radius-pill);
  background:var(--brand);
  color:#06231A;
  font-weight:700;
  font-size:15px;
  box-shadow:0 10px 26px rgba(18,201,122,.34);
  opacity:0;
  transform:translateY(14px);
  pointer-events:none;
  transition:opacity .28s ease,transform .28s ease,background .2s ease;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{background:var(--brand-dark);color:#04231A}
.to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:139;
  width:44px;height:44px;
  border-radius:50%;
  background:#fff;
  color:var(--text);
  border:1px solid var(--border-strong);
  box-shadow:var(--shadow-sm);
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:0;
  transform:translateY(14px);
  pointer-events:none;
  transition:opacity .28s ease,transform .28s ease,border-color .2s ease,color .2s ease;
}
.to-top.show{opacity:1;transform:translateY(0);pointer-events:auto}
.to-top:hover{border-color:var(--brand);color:var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  h1{font-size:38px}
  .page-hero h1{font-size:38px}
}
@media (max-width:991px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .sec{padding:64px 0}
  h1{font-size:32px}
  h2{font-size:26px}
  .page-hero{padding:128px 0 54px}
  .page-hero h1{font-size:32px}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .zrow{grid-template-columns:1fr;gap:24px;padding:26px}
  .zrow .z-media{order:-1}
  .zrow.reverse .z-media{order:-1}
  .check-grid{grid-template-columns:1fr}
}
@media (max-width:767px){
  .container-x{padding:0 16px}
  .stat-bar{grid-template-columns:1fr 1fr}
  .sec{padding:56px 0}
  .sec-head{margin-bottom:32px}
  .sec-head p{font-size:16px}
  .lead-text{font-size:16.5px}
  .page-hero{padding:116px 0 46px;min-height:180px}
  .page-hero h1{font-size:30px}
  .page-hero-sub{font-size:15.5px}
  .cta-form{grid-template-columns:1fr}
  .cta-card{padding:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .float-cta{
    left:16px;
    right:76px;
    bottom:16px;
    height:52px;
    width:auto;
    min-width:0;
    justify-content:center;
  }
  .to-top{right:16px;bottom:16px;width:52px;height:52px}
}
@media (max-width:575px){
  h1{font-size:28px}
  h2{font-size:22px}
  .z-num{width:38px;height:38px;font-size:14px}
  .z-text h3{font-size:19px}
  .stat-item{padding:22px 18px}
  .stat-num{font-size:24px}
  .cat-links a{padding:10px 18px;font-size:14px}
}

/* roulang page: category2 */
:root{
  --c-primary:#12C97A;
  --c-primary-dark:#0BA465;
  --c-primary-soft:#E6FAF1;
  --c-violet:#2A1F4E;
  --c-orange:#FF8A3D;
  --c-bg:#F6F8F7;
  --c-dark:#10151A;
  --c-dark-card:#181E24;
  --c-text:#0F1A17;
  --c-text-2:#5A6B66;
  --c-text-3:#8A9691;
  --c-line:#E2E8E5;
  --c-line-2:#CFDDD8;
  --c-danger:#E5484D;
  --c-white:#FFFFFF;
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --r-badge:8px;
  --sh-card:0 6px 24px rgba(16,21,26,.08);
  --sh-hover:0 10px 30px rgba(16,21,26,.14);
  --sh-dark:0 8px 28px rgba(0,0,0,.35);
  --sp-section:96px;
  --nav-h:76px;
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-primary);
  outline-offset:2px;
}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  color:#fff;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,box-shadow .25s ease,border-color .25s ease,color .25s ease;
}
.site-header.scrolled{
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  color:var(--c-text);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 6px 20px rgba(16,21,26,.06);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:var(--nav-h);}
.brand-mark{display:flex;flex-direction:column;line-height:1.1;flex-shrink:0;}
.brand-main{font-weight:800;font-size:19px;letter-spacing:-.02em;}
.brand-sub{font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.72);margin-top:2px;}
.site-header.scrolled .brand-sub{color:var(--c-text-2);}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto;font-size:15px;font-weight:500;}
.nav-links a{position:relative;padding:6px 0;color:inherit;opacity:.9;}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-links a:hover{opacity:1;color:var(--c-primary);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--c-primary);opacity:1;}
.nav-cta{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.btn-brand,.btn-ghost-dark,.btn-ghost,.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:inherit;font-size:15px;font-weight:600;
  padding:11px 22px;border-radius:var(--r-btn);cursor:pointer;
  border:1px solid transparent;transition:all .2s ease;
}
.btn-pill{border-radius:var(--r-pill);}
.btn-brand{background:var(--c-primary);color:var(--c-text);}
.btn-brand:hover{background:var(--c-primary-dark);box-shadow:0 0 0 3px rgba(18,201,122,.25);color:var(--c-text);}
.btn-brand:active{transform:translateY(1px);}
.btn-ghost-dark{background:transparent;border-color:rgba(255,255,255,.32);color:#fff;}
.btn-ghost-dark:hover{border-color:var(--c-primary);color:var(--c-primary);}
.site-header.scrolled .btn-ghost-dark{border-color:var(--c-line-2);color:var(--c-text);}
.site-header.scrolled .btn-ghost-dark:hover{border-color:var(--c-primary);color:var(--c-primary-dark);}
.nav-toggle{
  display:none;background:transparent;border:1px solid rgba(255,255,255,.3);color:inherit;
  width:44px;height:44px;border-radius:12px;font-size:17px;cursor:pointer;margin-left:auto;
}
.site-header.scrolled .nav-toggle{border-color:var(--c-line-2);}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:1050;background:var(--c-dark);
  display:flex;flex-direction:column;padding:24px;
  transform:translateX(100%);transition:transform .28s ease;
  overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-head .brand-sub{color:rgba(255,255,255,.7);}
.drawer-close{
  width:44px;height:44px;border-radius:12px;background:transparent;
  border:1px solid rgba(255,255,255,.25);color:#fff;font-size:18px;cursor:pointer;
}
.drawer-nav a{
  display:flex;align-items:center;height:56px;line-height:56px;
  color:#fff;font-size:17px;font-weight:500;border-bottom:1px solid rgba(255,255,255,.12);
}
.drawer-nav a.active,.drawer-nav a:hover{color:var(--c-primary);}
.drawer-foot{margin-top:auto;padding-top:28px;}
.drawer-foot .btn-brand{width:100%;height:52px;}

/* ---------- Banner ---------- */
.page-banner{
  position:relative;color:#fff;overflow:hidden;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  min-height:240px;
  padding:calc(var(--nav-h) + 22px) 0 34px;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,21,26,.94) 0%,rgba(16,21,26,.72) 60%,rgba(16,21,26,.86) 100%);
}
.page-banner .container-x{position:relative;z-index:2;}
.dot-grid{
  position:absolute;inset:0;z-index:1;opacity:.12;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:22px 22px;pointer-events:none;
}
.breadcrumb-x{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:14px;}
.breadcrumb-x a:hover{color:var(--c-primary);}
.breadcrumb-x .sep{color:rgba(255,255,255,.35);}
.breadcrumb-x .current{color:rgba(255,255,255,.62);}
.page-banner h1{font-size:44px;letter-spacing:-.02em;}
.page-banner .banner-sub{margin-top:14px;max-width:760px;font-size:16px;color:rgba(255,255,255,.78);line-height:1.8;}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.banner-tags span{
  font-size:13px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(18,201,122,.16);border:1px solid rgba(18,201,122,.4);color:#9BEBC8;
}

/* ---------- 通用区块 ---------- */
.section{padding:var(--sp-section) 0;}
.section-sm{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--c-primary-dark);background:var(--c-primary-soft);
  padding:6px 14px;border-radius:var(--r-badge);margin-bottom:16px;
}
.section-head h2{font-size:32px;}
.section-head p{margin-top:14px;font-size:16px;color:var(--c-text-2);}
.section-dark{background:var(--c-dark);color:#fff;}
.section-dark .section-head p{color:rgba(255,255,255,.72);}
.section-dark .section-tag{background:rgba(18,201,122,.15);color:#7FE3B4;}

/* ---------- 导语 + 数据条 ---------- */
.intro-block{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-card);
  margin-top:-46px;position:relative;z-index:5;
}
.intro-block p{font-size:16px;color:var(--c-text-2);line-height:1.8;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:32px;}
.stat-item{border-left:3px solid var(--c-primary);padding-left:16px;}
.stat-num{font-size:28px;font-weight:800;color:var(--c-primary-dark);letter-spacing:-.02em;line-height:1.2;}
.stat-label{font-size:14px;color:var(--c-text-2);margin-top:6px;}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:19px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--c-primary) 0%,rgba(18,201,122,.18) 100%);
}
.tl-item{position:relative;padding-left:68px;margin-bottom:26px;}
.tl-item:last-child{margin-bottom:0;}
.tl-node{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;
  background:#fff;border:2px solid var(--c-primary);color:var(--c-primary-dark);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;letter-spacing:.02em;
  box-shadow:0 4px 14px rgba(18,201,122,.22);
}
.tl-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-card);transition:transform .2s ease,box-shadow .2s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.tl-card h3{font-size:20px;}
.tl-card p{margin-top:10px;color:var(--c-text-2);font-size:15px;}
.tl-list{margin-top:16px;display:grid;gap:10px;}
.tl-list li{position:relative;padding-left:22px;font-size:15px;color:var(--c-text-2);}
.tl-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--c-primary);
}
.tl-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:15px;font-weight:600;color:var(--c-primary-dark);}
.tl-link:hover{color:var(--c-primary);}

/* ---------- 功能组合卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.f-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.f-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.f-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-soft);}
.f-thumb img{width:100%;height:100%;object-fit:cover;}
.f-badge{
  position:absolute;left:14px;top:14px;font-size:12px;font-weight:600;
  background:var(--c-primary-soft);color:var(--c-primary-dark);
  padding:5px 11px;border-radius:var(--r-badge);
}
.f-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.f-body h3{font-size:18px;}
.f-body p{margin-top:10px;font-size:14px;color:var(--c-text-2);line-height:1.75;}
.f-body .tl-link{margin-top:auto;padding-top:16px;}

/* ---------- 适用场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.scene-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--c-primary);}
.scene-ico{
  width:48px;height:48px;border-radius:14px;background:var(--c-primary-soft);
  color:var(--c-primary-dark);display:flex;align-items:center;justify-content:center;font-size:20px;
  margin-bottom:18px;
}
.scene-card h3{font-size:18px;}
.scene-card p{margin-top:10px;font-size:14px;color:var(--c-text-2);}

/* ---------- FAQ ---------- */
.faq-wrap{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:8px 28px;box-shadow:var(--sh-card);}
.faq-wrap .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--c-line);}
.faq-wrap .accordion-item:last-child{border-bottom:0;}
.faq-wrap .accordion-button{
  background:transparent;border:0;box-shadow:none;
  font-size:17px;font-weight:600;color:var(--c-text);
  padding:22px 4px;line-height:1.6;
}
.faq-wrap .accordion-button:not(.collapsed){
  color:var(--c-primary-dark);background:transparent;
  box-shadow:inset 3px 0 0 var(--c-primary);
  padding-left:16px;
}
.faq-wrap .accordion-button::after{
  content:"+";background-image:none;font-size:20px;font-weight:600;
  width:28px;height:28px;display:flex;align-items:center;justify-content:center;
  color:var(--c-text-3);transform:none;transition:color .2s ease;
}
.faq-wrap .accordion-button:not(.collapsed)::after{content:"−";color:var(--c-primary-dark);}
.faq-wrap .accordion-body{padding:0 4px 24px;font-size:15px;color:var(--c-text-2);line-height:1.85;}

/* ---------- 深色 CTA ---------- */
.cta-section{
  position:relative;background:var(--c-dark);color:#fff;overflow:hidden;
  padding:80px 0;
}
.cta-section::before{
  content:"";position:absolute;inset:0;opacity:.12;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:22px 22px;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.cta-inner h2{font-size:32px;}
.cta-inner p{margin-top:14px;color:rgba(255,255,255,.72);font-size:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.cta-panel{
  background:var(--c-dark-card);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-dark);
}
.cta-panel h3{font-size:18px;color:#fff;}
.cta-panel ul{margin-top:16px;display:grid;gap:12px;}
.cta-panel li{display:flex;gap:10px;font-size:15px;color:rgba(255,255,255,.75);}
.cta-panel li i{color:var(--c-primary);margin-top:5px;}
.form-row{margin-top:18px;}
.form-row label{display:block;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:8px;}
.form-row input,.form-row textarea{
  width:100%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-btn);color:#fff;font-family:inherit;font-size:15px;padding:12px 14px;
  min-height:48px;transition:border-color .2s ease,box-shadow .2s ease;
}
.form-row textarea{min-height:112px;resize:vertical;line-height:1.7;}
.form-row input::placeholder,.form-row textarea::placeholder{color:rgba(255,255,255,.42);}
.form-row input:focus,.form-row textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,201,122,.2);
}
.form-hint{font-size:13px;color:rgba(255,255,255,.5);margin-top:10px;}
.form-submit{width:100%;margin-top:18px;height:50px;}

/* ---------- 分类互链 ---------- */
.cat-links{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2;}
.cat-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.85);font-size:14px;font-weight:500;
  transition:all .2s ease;
}
.cat-pill:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(18,201,122,.08);}
.cat-pill.is-current{background:rgba(18,201,122,.16);border-color:rgba(18,201,122,.5);color:#9BEBC8;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#fff;padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand-main{font-size:20px;}
.footer-brand .brand-sub{color:rgba(255,255,255,.6);}
.footer-brand p{margin-top:18px;font-size:14px;color:rgba(255,255,255,.62);line-height:1.85;max-width:330px;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px;color:#fff;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);}
.footer-col a:hover{color:var(--c-primary);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.66);}
.footer-contact i{color:var(--c-primary);margin-top:4px;}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.48);
}

/* ---------- 浮动 CTA / 回顶 ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1030;
  display:inline-flex;align-items:center;gap:8px;
  min-width:132px;height:48px;padding:0 22px;
  background:var(--c-primary);color:var(--c-text);font-weight:600;font-size:15px;
  border-radius:var(--r-pill);box-shadow:0 10px 30px rgba(18,201,122,.32);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background-color .2s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--c-primary-dark);color:var(--c-text);}
.to-top{
  position:fixed;right:24px;bottom:84px;z-index:1030;
  width:44px;height:44px;border-radius:50%;border:1px solid var(--c-line-2);
  background:#fff;color:var(--c-text-2);display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease,color .2s ease,border-color .2s ease;
  cursor:pointer;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{color:var(--c-primary-dark);border-color:var(--c-primary);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .card-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:block;}
  :root{--sp-section:64px;}
  .page-banner h1{font-size:34px;}
  .cta-inner{grid-template-columns:1fr;gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .scene-grid{grid-template-columns:1fr 1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767.98px){
  .container-x{padding:0 16px;}
  .page-banner{min-height:180px;padding:calc(var(--nav-h) + 10px) 0 26px;}
  .page-banner h1{font-size:30px;}
  .page-banner .banner-sub{font-size:15px;}
  .section-head h2{font-size:24px;}
  .intro-block{padding:24px;margin-top:-32px;}
  .timeline::before{left:15px;}
  .tl-item{padding-left:52px;}
  .tl-node{width:32px;height:32px;font-size:12px;left:0;}
  .tl-card{padding:20px;}
  .card-grid{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;}
  .faq-wrap{padding:4px 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .float-cta{
    right:0;left:0;bottom:0;width:100%;border-radius:0;justify-content:center;
    height:56px;min-width:0;
  }
  .to-top{bottom:72px;right:16px;}
}
@media (max-width:519.98px){
  .stats-grid{grid-template-columns:1fr;gap:18px;}
  .cta-section{padding:56px 0;}
  .cta-inner h2{font-size:24px;}
}

/* roulang page: category3 */
:root{
  --brand:#12C97A;
  --brand-deep:#0BA465;
  --brand-soft:#E6FAF1;
  --purple:#2A1F4E;
  --accent:#FF8A3D;
  --bg:#F6F8F7;
  --dark:#10151A;
  --dark-card:#181E24;
  --text:#0F1A17;
  --text-2:#5A6B66;
  --text-3:#8A9691;
  --border:#E2E8E5;
  --border-strong:#CFDDD8;
  --white:#FFFFFF;
  --danger:#E5484D;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-card:0 6px 24px rgba(16,21,26,.08);
  --shadow-hover:0 10px 30px rgba(16,21,26,.14);
  --shadow-dark:0 8px 28px rgba(0,0,0,.35);
  --container:1200px;
  --gap:24px;
  --ease:200ms ease;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand-deep);text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease);}
a:hover{color:var(--brand);}
button{font-family:inherit;}
h1,h2,h3,h4{line-height:1.25;margin:0;font-weight:800;letter-spacing:-.01em;color:var(--text);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#06281b;padding:10px 16px;border-radius:0 0 10px 0;z-index:3000;}
.skip-link:focus{left:0;}

.container-x{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-head{margin-bottom:44px;max-width:760px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;font-weight:700;
  color:var(--brand-deep);background:var(--brand-soft);
  padding:6px 12px;border-radius:8px;margin-bottom:16px;
  text-transform:none;
}
.section-head h2{font-size:32px;margin-bottom:14px;}
.section-head p{font-size:17px;color:var(--text-2);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow var(--ease),background-color var(--ease);
}
.site-header.scrolled{box-shadow:0 4px 20px rgba(16,21,26,.09);}
.nav-inner{
  display:flex;align-items:center;gap:28px;
  min-height:76px;
}
.brand-mark{
  position:relative;z-index:1060;
  display:flex;flex-direction:column;line-height:1.1;
  margin-right:auto;
}
.brand-main{
  font-size:22px;font-weight:800;letter-spacing:-.02em;color:var(--text);
}
.brand-sub{
  font-size:12px;letter-spacing:.12em;color:var(--text-3);
  margin-top:3px;
}
.nav-links{
  display:flex;align-items:center;gap:28px;
}
.nav-links a{
  position:relative;
  font-size:15px;font-weight:500;color:var(--text-2);
  padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  border-radius:3px;background:var(--brand);transform:scaleX(0);
  transform-origin:left;transition:transform var(--ease);
}
.nav-links a:hover{color:var(--text);}
.nav-links a:hover::after,
.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--text);font-weight:700;}
.nav-cta{display:flex;align-items:center;gap:12px;}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  background:var(--brand);color:#06281b;
  font-size:15px;font-weight:700;border:none;
  border-radius:var(--radius-btn);
  cursor:pointer;
  transition:background-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.btn-brand:hover{background:var(--brand-deep);color:#04231a;box-shadow:0 0 0 3px rgba(18,201,122,.25);}
.btn-brand:active{transform:translateY(1px);}
.btn-pill{border-radius:var(--radius-pill);}
.btn-ghost-dark{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 22px;
  background:transparent;color:var(--text);
  font-size:15px;font-weight:600;
  border:1px solid var(--border-strong);
  border-radius:var(--radius-btn);
  cursor:pointer;
  transition:border-color var(--ease),color var(--ease),background-color var(--ease);
}
.btn-ghost-dark:hover{border-color:var(--brand);color:var(--brand-deep);}
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  background:#fff;color:var(--text);
  font-size:15px;font-weight:600;
  border:1px solid var(--border-strong);border-radius:var(--radius-btn);
  transition:border-color var(--ease),color var(--ease),box-shadow var(--ease);
}
.btn-outline-brand:hover{border-color:var(--brand);color:var(--brand-deep);box-shadow:0 0 0 3px rgba(18,201,122,.14);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--border-strong);
  border-radius:12px;color:var(--text);font-size:18px;
  cursor:pointer;position:relative;z-index:1060;
}

/* ---------- Page banner ---------- */
.page-banner{
  position:relative;
  min-height:240px;
  display:flex;align-items:flex-end;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,21,26,.72) 0%,rgba(16,21,26,.94) 100%);
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.5;
}
.banner-inner{
  position:relative;z-index:2;
  padding:64px 0 40px;
  max-width:820px;
}
.breadcrumb-nav{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.62);margin-bottom:14px;
}
.breadcrumb-nav a{color:rgba(255,255,255,.78);}
.breadcrumb-nav a:hover{color:var(--brand);}
.breadcrumb-nav span.sep{color:rgba(255,255,255,.4);}
.breadcrumb-nav span.current{color:rgba(255,255,255,.55);}
.page-banner h1{
  font-size:34px;color:#fff;margin-bottom:12px;
}
.page-banner .banner-sub{
  font-size:15px;color:rgba(255,255,255,.72);margin:0;
}

/* ---------- Intro + stats ---------- */
.intro-grid{
  display:grid;grid-template-columns:1.25fr 1fr;gap:48px;align-items:start;
}
.intro-lead{
  font-size:17px;color:var(--text-2);line-height:1.85;margin-bottom:22px;
}
.intro-points{display:grid;gap:14px;}
.intro-points li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--text-2);
}
.intro-points i{
  margin-top:5px;color:var(--brand);font-size:14px;
}
.stat-panel{
  background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-card);
}
.stat-panel h3{font-size:18px;margin-bottom:6px;}
.stat-panel .stat-note{font-size:14px;color:var(--text-3);margin-bottom:20px;}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.stat-item .num{
  font-size:28px;font-weight:800;color:var(--brand-deep);
  letter-spacing:-.02em;line-height:1.2;
}
.stat-item .num small{font-size:14px;font-weight:600;margin-left:4px;color:var(--brand-deep);}
.stat-item .label{font-size:14px;color:var(--text-2);margin-top:4px;}

/* ---------- Matrix cards ---------- */
.matrix-section{background:#fff;}
.matrix-top{
  display:grid;grid-template-columns:1.6fr 1fr;gap:var(--gap);
}
.matrix-side{display:grid;gap:var(--gap);}
.matrix-bottom{
  display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);
  margin-top:var(--gap);
}
.card-x{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  height:100%;
}
.card-x:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--border-strong);}
.card-media{
  position:relative;border-radius:12px;overflow:hidden;
  aspect-ratio:5/3;margin-bottom:20px;background:var(--brand-soft);
}
.card-media img{width:100%;height:100%;object-fit:cover;}
.card-badge{
  position:absolute;top:12px;left:12px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:12px;font-weight:700;padding:5px 10px;border-radius:8px;
}
.card-index{
  font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--brand-deep);
  margin-bottom:10px;
}
.card-x h3{font-size:20px;margin-bottom:10px;}
.card-x p{font-size:15px;color:var(--text-2);line-height:1.8;}
.card-link{
  margin-top:auto;padding-top:16px;
  font-size:14px;font-weight:700;color:var(--brand-deep);
  display:inline-flex;align-items:center;gap:6px;
}
.card-link i{transition:transform var(--ease);}
.card-link:hover i{transform:translateX(4px);}
.card-main{flex-direction:row;gap:28px;padding:0;overflow:hidden;}
.card-main .card-main-media{
  flex:0 0 46%;position:relative;
}
.card-main .card-main-media img{width:100%;height:100%;object-fit:cover;}
.card-main .card-main-body{padding:32px 32px 32px 0;display:flex;flex-direction:column;}
.card-main h3{font-size:24px;}
.card-main p{font-size:15px;}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 0;}
.chip{
  font-size:13px;color:var(--text-2);
  background:var(--bg);border:1px solid var(--border);
  padding:5px 12px;border-radius:var(--radius-pill);
}
.card-mini{padding:22px;}
.card-mini h3{font-size:17px;}
.card-mini p{font-size:14px;}

/* ---------- Rhythm ---------- */
.rhythm-section{background:var(--bg);}
.rhythm-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);}
.rhythm-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-card);
}
.rhythm-card h3{font-size:20px;margin-bottom:16px;}
.rhythm-list{display:grid;gap:16px;}
.rhythm-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding-bottom:16px;border-bottom:1px solid var(--border);
}
.rhythm-list li:last-child{border-bottom:none;padding-bottom:0;}
.rhythm-list .idx{
  flex:0 0 34px;height:34px;border-radius:50%;
  border:1px solid var(--brand);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;
}
.rhythm-list .txt strong{display:block;font-size:15px;margin-bottom:4px;}
.rhythm-list .txt span{font-size:14px;color:var(--text-2);}
.compare-row{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px;
}
.compare-cell{
  background:var(--brand-soft);border-radius:12px;padding:18px;
}
.compare-cell .k{font-size:13px;color:var(--text-3);margin-bottom:6px;}
.compare-cell .v{font-size:16px;font-weight:700;color:var(--text);}

/* ---------- FAQ ---------- */
.faq-section{background:#fff;}
.faq-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start;}
.faq-intro h2{font-size:32px;margin-bottom:14px;}
.faq-intro p{font-size:16px;color:var(--text-2);}
.faq-list{border-top:1px solid var(--border);}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  width:100%;background:none;border:none;text-align:left;
  padding:22px 8px 22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-size:17px;font-weight:600;color:var(--text);cursor:pointer;
  transition:color var(--ease);
}
.faq-q:hover{color:var(--brand-deep);}
.faq-icon{
  flex:0 0 22px;text-align:center;font-size:20px;font-weight:400;
  color:var(--brand-deep);line-height:1;
}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 240ms ease,opacity 160ms ease;
  opacity:0;
}
.faq-a p{
  padding:0 40px 24px 0;font-size:15px;color:var(--text-2);line-height:1.85;
}
.faq-item.open .faq-a{opacity:1;}
.faq-item.open .faq-q{color:var(--brand-deep);}
.faq-item.open .faq-q .faq-icon{color:var(--brand);}

/* ---------- CTA ---------- */
.cta-section{
  background:
    radial-gradient(rgba(255,255,255,.11) 1px,transparent 1px) 0 0/22px 22px,
    linear-gradient(135deg,var(--dark) 0%,var(--purple) 100%);
  color:#fff;
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.cta-copy h2{color:#fff;font-size:32px;margin-bottom:14px;}
.cta-copy p{color:rgba(255,255,255,.72);font-size:16px;}
.cta-bullets{display:grid;gap:12px;margin-top:24px;}
.cta-bullets li{display:flex;gap:10px;color:rgba(255,255,255,.78);font-size:15px;}
.cta-bullets i{color:var(--brand);margin-top:5px;}
.form-card{
  background:var(--dark-card);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-dark);
}
.form-row{margin-bottom:18px;}
.form-row label{
  display:block;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:8px;
}
.form-row input,
.form-row textarea{
  width:100%;height:48px;padding:0 14px;
  background:#0d1216;border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-btn);color:#fff;font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.form-row textarea{height:auto;min-height:110px;padding:12px 14px;resize:vertical;line-height:1.7;}
.form-row input::placeholder,
.form-row textarea::placeholder{color:rgba(255,255,255,.38);}
.form-row input:focus,
.form-row textarea:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(18,201,122,.22);
}
.form-err{display:none;color:var(--danger);font-size:13px;margin-top:6px;}
.form-row.has-error .form-err{display:block;}
.form-row.has-error input,
.form-row.has-error textarea{border-color:var(--danger);}
.form-submit{width:100%;margin-top:6px;}
.form-hint{font-size:13px;color:rgba(255,255,255,.5);margin-top:14px;}
.form-success{
  display:none;margin-top:16px;padding:12px 14px;border-radius:12px;
  background:rgba(18,201,122,.14);color:#8CF0C3;font-size:14px;
  border:1px solid rgba(18,201,122,.35);
}
.form-success.show{display:block;}

/* ---------- Cross links ---------- */
.links-section{background:var(--bg);padding:64px 0;}
.links-head{font-size:22px;margin-bottom:8px;}
.links-sub{font-size:15px;color:var(--text-2);margin-bottom:26px;}
.pill-links{display:flex;flex-wrap:wrap;gap:14px;}
.pill-link{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 22px;
  background:#fff;border:1px solid var(--border-strong);
  border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;color:var(--text);
  transition:border-color var(--ease),color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.pill-link:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--shadow-card);}
.pill-link.current{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-deep);}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:#fff;padding:72px 0 28px;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand-main{color:#fff;font-size:20px;}
.footer-brand .brand-sub{color:rgba(255,255,255,.5);}
.footer-brand p{
  margin-top:16px;font-size:14px;color:rgba(255,255,255,.62);line-height:1.85;max-width:340px;
}
.footer-col h4{
  font-size:15px;color:#fff;margin-bottom:18px;font-weight:700;
}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col a:hover{color:var(--brand);}
.footer-contact li{
  font-size:14px;color:rgba(255,255,255,.68);
  display:flex;gap:10px;align-items:flex-start;
}
.footer-contact i{margin-top:5px;color:var(--brand);font-size:13px;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- Floating CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:900;
  display:inline-flex;align-items:center;justify-content:center;
  min-width:132px;height:48px;padding:0 22px;
  background:var(--brand);color:#06281b;font-weight:700;font-size:15px;
  border-radius:var(--radius-pill);
  box-shadow:0 10px 26px rgba(18,201,122,.32);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity 240ms ease,transform 240ms ease,background-color var(--ease);
}
.float-cta.show{opacity:1;transform:none;pointer-events:auto;}
.float-cta:hover{background:var(--brand-deep);color:#04231a;}
.mobile-bar{display:none;}
.to-top{
  position:fixed;right:24px;bottom:88px;z-index:900;
  width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--border-strong);
  color:var(--text-2);font-size:16px;cursor:pointer;
  box-shadow:var(--shadow-card);
  opacity:0;pointer-events:none;transition:opacity var(--ease),color var(--ease),border-color var(--ease);
}
.to-top.show{opacity:1;pointer-events:auto;}
.to-top:hover{color:var(--brand-deep);border-color:var(--brand);}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .section{padding:80px 0;}
}
@media (max-width:991px){
  .nav-links{
    position:fixed;top:0;left:0;right:0;bottom:0;z-index:1050;
    flex-direction:column;align-items:stretch;gap:0;
    background:#10151A;
    padding:104px 24px 132px;
    transform:translateY(-8px);opacity:0;pointer-events:none;
    transition:opacity 240ms ease,transform 240ms ease;
    overflow-y:auto;
  }
  body.nav-open .nav-links{transform:none;opacity:1;pointer-events:auto;}
  .nav-links a{
    font-size:17px;color:#fff;height:56px;display:flex;align-items:center;
    border-bottom:1px solid rgba(255,255,255,.12);
  }
  .nav-links a::after{display:none;}
  .nav-links a.active{color:var(--brand);}
  .nav-cta{
    position:fixed;left:0;right:0;bottom:0;z-index:1060;
    padding:16px 24px calc(16px + env(safe-area-inset-bottom));
    background:#10151A;border-top:1px solid rgba(255,255,255,.12);
    transform:translateY(20px);opacity:0;pointer-events:none;
    transition:opacity 240ms ease,transform 240ms ease;
  }
  body.nav-open .nav-cta{transform:none;opacity:1;pointer-events:auto;}
  .nav-cta .btn-brand{flex:1;height:52px;}
  .nav-cta .btn-ghost-dark{
    color:#fff;border-color:rgba(255,255,255,.28);height:52px;flex:0 0 auto;
  }
  .nav-cta .btn-ghost-dark:hover{color:var(--brand);border-color:var(--brand);}
  body.nav-open .brand-main{color:#fff;}
  body.nav-open .brand-sub{color:rgba(255,255,255,.55);}
  body.nav-open{overflow:hidden;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-toggle.is-open{background:transparent;border-color:rgba(255,255,255,.3);color:#fff;}
  .intro-grid{grid-template-columns:1fr;gap:32px;}
  .matrix-top{grid-template-columns:1fr;}
  .matrix-side{grid-template-columns:1fr 1fr;}
  .matrix-bottom{grid-template-columns:1fr 1fr;}
  .card-main{flex-direction:column;padding:24px;}
  .card-main .card-main-media{flex:none;aspect-ratio:16/9;border-radius:12px;overflow:hidden;margin-bottom:20px;}
  .card-main .card-main-body{padding:0;}
  .rhythm-grid{grid-template-columns:1fr;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
  .section-head h2{font-size:26px;}
  .cta-copy h2,.faq-intro h2{font-size:26px;}
  .float-cta{display:none;}
  .to-top{display:none;}
  .mobile-bar{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:fixed;left:0;right:0;bottom:0;z-index:900;
    height:56px;padding:0 16px calc(0px + env(safe-area-inset-bottom));
    background:rgba(16,21,26,.97);border-top:1px solid rgba(255,255,255,.12);
    backdrop-filter:blur(8px);
  }
  .mobile-bar span{font-size:13px;color:rgba(255,255,255,.7);}
  .mobile-bar a{
    display:inline-flex;align-items:center;justify-content:center;
    height:40px;padding:0 18px;border-radius:var(--radius-pill);
    background:var(--brand);color:#06281b;font-size:14px;font-weight:700;
  }
  body{padding-bottom:56px;}
}
@media (max-width:767px){
  .container-x{padding-left:16px;padding-right:16px;}
  .section{padding:56px 0;}
  .page-banner{min-height:180px;}
  .banner-inner{padding:48px 0 28px;}
  .page-banner h1{font-size:26px;}
  .banner-sub{font-size:14px;}
  .section-head h2{font-size:24px;}
  .section-head p{font-size:16px;}
  .matrix-side{grid-template-columns:1fr;}
  .matrix-bottom{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:16px;}
  .compare-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .pill-link{width:100%;justify-content:flex-start;}
  .cta-copy h2,.faq-intro h2{font-size:23px;}
  .faq-q{font-size:16px;padding:18px 0;}
  .faq-a p{padding-right:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category4 */
:root{
  --brand:#12C97A;
  --brand-dark:#0BA465;
  --brand-soft:#E6FAF1;
  --plum:#2A1F4E;
  --orange:#FF8A3D;
  --bg:#F6F8F7;
  --dark:#10151A;
  --dark-card:#181E24;
  --text:#0F1A17;
  --text-2:#5A6B66;
  --text-3:#8A9691;
  --border:#E2E8E5;
  --border-strong:#CFDDD8;
  --white:#FFFFFF;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-badge:8px;
  --shadow-card:0 6px 24px rgba(16,21,26,.08);
  --shadow-hover:0 10px 30px rgba(16,21,26,.14);
  --shadow-dark:0 8px 28px rgba(0,0,0,.35);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--text);letter-spacing:-.01em;line-height:1.25;}
p{margin:0;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 通用按钮 ============ */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;background:var(--brand);color:#062A1B;
  font-size:15px;font-weight:700;border:1px solid transparent;border-radius:var(--radius-btn);
  cursor:pointer;transition:background-color .2s ease,box-shadow .2s ease,transform .2s ease,color .2s ease;
}
.btn-brand:hover{background:var(--brand-dark);color:#fff;box-shadow:0 0 0 3px rgba(18,201,122,.25);}
.btn-brand:active{transform:translateY(1px);}
.btn-brand.btn-pill{border-radius:999px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;background:#fff;color:var(--text);
  font-size:15px;font-weight:600;border:1px solid var(--border-strong);border-radius:var(--radius-btn);
  cursor:pointer;transition:all .2s ease;
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);}
.btn-ghost-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;background:transparent;color:#fff;
  font-size:15px;font-weight:600;border:1px solid rgba(255,255,255,.4);border-radius:var(--radius-btn);
  cursor:pointer;transition:all .2s ease;
}
.btn-ghost-dark:hover{border-color:var(--brand);color:var(--brand);}
.btn-text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand-dark);font-weight:600;font-size:15px;
}
.btn-text-link:hover{color:var(--brand);}

/* ============ 头部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  padding:14px 0;
  transition:background-color .25s ease,box-shadow .25s ease,border-color .25s ease,padding .25s ease;
}
.site-header.is-solid{
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  box-shadow:0 6px 24px rgba(16,21,26,.06);
  padding:10px 0;
}
.nav-inner{display:flex;align-items:center;gap:28px;}
.brand-mark{display:flex;flex-direction:column;line-height:1.12;}
.brand-main{font-size:20px;font-weight:800;letter-spacing:-.02em;color:#fff;transition:color .25s ease;}
.brand-sub{font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.72);font-weight:500;transition:color .25s ease;}
.site-header.is-solid .brand-main{color:var(--text);}
.site-header.is-solid .brand-sub{color:var(--text-3);}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:auto;}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:rgba(255,255,255,.82);padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-links a:hover{color:#fff;}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:#fff;font-weight:600;}
.site-header.is-solid .nav-links a{color:var(--text-2);}
.site-header.is-solid .nav-links a:hover{color:var(--brand-dark);}
.site-header.is-solid .nav-links a.active{color:var(--brand-dark);}
.nav-cta{display:flex;align-items:center;gap:12px;margin-left:8px;}
.nav-cta .btn-brand,.nav-cta .btn-ghost-dark{height:42px;padding:0 20px;font-size:14px;}
.site-header.is-solid .btn-ghost-dark{border-color:var(--border-strong);color:var(--text);}
.site-header.is-solid .btn-ghost-dark:hover{border-color:var(--brand);color:var(--brand-dark);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:44px;height:44px;margin-left:auto;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);border-radius:12px;
  color:#fff;font-size:18px;cursor:pointer;transition:all .2s ease;
}
.site-header.is-solid .nav-toggle{background:#F2F6F4;border-color:var(--border);color:var(--text);}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:1040;background:var(--dark);
  display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .28s ease;visibility:hidden;
}
.mobile-drawer.open{transform:translateX(0);visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid rgba(255,255,255,.12);}
.drawer-head .brand-main{color:#fff;}
.drawer-head .brand-sub{color:rgba(255,255,255,.6);}
.drawer-close{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid rgba(255,255,255,.25);border-radius:12px;color:#fff;font-size:18px;cursor:pointer;
}
.drawer-links{flex:1;overflow-y:auto;padding:8px 0;}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:44px;padding:14px 20px;color:rgba(255,255,255,.86);font-size:16px;font-weight:500;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer-links a.active{color:var(--brand);}
.drawer-links a i{font-size:13px;color:rgba(255,255,255,.35);}
.drawer-foot{padding:18px 20px 28px;border-top:1px solid rgba(255,255,255,.12);}
.drawer-foot .btn-brand{width:100%;}
body.no-scroll{overflow:hidden;}

/* ============ 页头横幅 ============ */
.page-banner{
  position:relative;background-color:var(--dark);
  background-image:linear-gradient(180deg,rgba(16,21,26,.72) 0%,rgba(16,21,26,.86) 55%,rgba(16,21,26,.96) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:150px 0 56px;min-height:260px;overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
}
.banner-inner{position:relative;z-index:2;max-width:820px;}
.banner-badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;margin-bottom:18px;
  background:var(--brand-soft);color:var(--brand-dark);font-size:12px;font-weight:700;
  border-radius:var(--radius-badge);letter-spacing:.04em;
}
.page-banner h1{color:#fff;font-size:44px;line-height:1.22;letter-spacing:-.02em;}
.banner-sub{margin-top:14px;color:rgba(255,255,255,.72);font-size:17px;max-width:660px;}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.banner-tags span{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;font-size:13px;color:rgba(255,255,255,.8);
  border:1px solid rgba(255,255,255,.22);border-radius:999px;
}

/* 面包屑 */
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  padding-top:24px;padding-bottom:8px;font-size:14px;color:var(--text-3);
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand-dark);}
.crumb .sep{color:var(--text-3);}
.crumb .cur{color:var(--text-3);}

/* ============ 通用板块 ============ */
.section{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:32px;}
.eyebrow{
  display:inline-block;margin-bottom:12px;padding:5px 12px;font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-dark);background:var(--brand-soft);border-radius:var(--radius-badge);
}
.section-head h2{font-size:32px;}
.section-head p{margin-top:12px;color:var(--text-2);font-size:16px;}

/* 导语 */
.intro-copy p{margin-top:16px;color:var(--text-2);font-size:16px;line-height:1.9;}
.intro-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:40px;align-items:start;}
.intro-note{
  margin-top:22px;padding:18px 20px;background:#fff;border:1px solid var(--border);
  border-left:3px solid var(--brand);border-radius:12px;color:var(--text-2);font-size:15px;box-shadow:var(--shadow-card);
}
.stat-strip{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:8px 24px;
}
.stat-item{display:flex;align-items:baseline;gap:14px;padding:18px 0;border-bottom:1px solid var(--border);}
.stat-item:last-child{border-bottom:0;}
.stat-num{font-size:28px;font-weight:800;color:var(--brand-dark);font-family:Inter,"DIN Alternate",system-ui,sans-serif;letter-spacing:-.01em;line-height:1;}
.stat-label{font-size:14px;color:var(--text-2);}

/* 自查顺序 */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.step-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;margin-bottom:18px;
  border:1px solid rgba(18,201,122,.35);border-radius:50%;color:var(--brand-dark);
  font-size:14px;font-weight:800;font-family:Inter,"DIN Alternate",system-ui,sans-serif;
}
.step-card h3{font-size:20px;margin-bottom:10px;}
.step-card p{color:var(--text-2);font-size:15px;}

/* 对比条 */
.compare-wrap{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);overflow:hidden;
}
.compare-head,.compare-row{
  display:grid;grid-template-columns:.8fr 1.1fr 1.1fr;gap:16px;align-items:center;
  padding:18px 24px;
}
.compare-head{
  background:var(--brand-soft);font-size:13px;font-weight:700;color:var(--brand-dark);letter-spacing:.04em;
  border-bottom:1px solid rgba(18,201,122,.18);
}
.compare-head span:first-child{color:var(--text-2);}
.compare-row{border-bottom:1px solid var(--border);}
.compare-row:last-child{border-bottom:0;}
.compare-row .cmp-key{font-weight:700;font-size:15px;color:var(--text);}
.cmp-val{
  background:#F0F5F3;border-radius:12px;padding:12px 16px;font-size:14px;color:var(--text-2);line-height:1.7;min-height:48px;
  display:flex;align-items:center;
}
.cmp-val.is-accent{background:var(--brand-soft);color:var(--brand-dark);font-weight:600;}

/* FAQ */
.qa-list{background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:6px 28px;}
.qa-list .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--border);}
.qa-list .accordion-item:last-child{border-bottom:0;}
.qa-list .accordion-header{margin:0;font-size:inherit;}
.qa-list .accordion-button{
  position:relative;display:flex;align-items:center;gap:16px;
  width:100%;padding:22px 0 22px 20px;background:transparent;border:0;box-shadow:none;
  font-size:17px;font-weight:700;color:var(--text);text-align:left;letter-spacing:-.01em;
}
.qa-list .accordion-button::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:2px;
  background:var(--brand);opacity:0;transition:opacity .16s ease;
}
.qa-list .accordion-button:not(.collapsed){color:var(--brand-dark);background:transparent;box-shadow:none;}
.qa-list .accordion-button:not(.collapsed)::before{opacity:1;}
.qa-list .accordion-button:focus{box-shadow:none;border-color:transparent;}
.qa-list .accordion-button::after{
  content:"+";background-image:none !important;transform:none !important;
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
  width:32px;height:32px;margin-left:auto;border-radius:50%;
  background-color:#F0F5F3;color:var(--brand-dark);font-size:20px;font-weight:600;line-height:1;
  transition:background-color .2s ease,color .2s ease;
}
.qa-list .accordion-button:not(.collapsed)::after{content:"−";background-color:var(--brand);color:#062A1B;}
.qa-list .accordion-body{padding:0 20px 24px;color:var(--text-2);font-size:15.5px;line-height:1.9;animation:qaFade .16s ease;}
@keyframes qaFade{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:translateY(0);}}

/* 提交信息清单 */
.checklist-section{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.checklist-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:center;}
.checklist-media{
  margin:0;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);
  aspect-ratio:5/4;background:var(--brand-soft);
}
.checklist-media img{width:100%;height:100%;object-fit:cover;}
.checklist-body h2{font-size:32px;}
.checklist-body > p{margin-top:14px;color:var(--text-2);font-size:16px;}
.check-list{margin-top:24px;display:grid;gap:14px;}
.check-list li{display:flex;gap:12px;font-size:15.5px;color:var(--text-2);line-height:1.8;}
.check-list li i{color:var(--brand);font-size:15px;margin-top:6px;flex:0 0 auto;}
.check-list li strong{color:var(--text);font-weight:700;}

/* 交叉链接 */
.crosslink-section{padding-top:8px;padding-bottom:56px;}
.crosslink-box{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:32px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.crosslink-box h2{font-size:22px;margin-bottom:6px;}
.crosslink-box p{color:var(--text-2);font-size:15px;}
.chip-row{display:flex;flex-wrap:wrap;gap:12px;}
.chip{
  display:inline-flex;align-items:center;height:44px;padding:0 20px;
  border:1px solid var(--border-strong);border-radius:999px;background:#fff;
  font-size:15px;font-weight:600;color:var(--text-2);transition:all .2s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand-dark);box-shadow:0 0 0 3px rgba(18,201,122,.15);}
.chip.is-current{background:var(--brand-soft);border-color:rgba(18,201,122,.35);color:var(--brand-dark);}
.crosslink-cta{margin-top:26px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;}

/* 尾部 CTA */
.cta-section{position:relative;background:var(--dark);color:#fff;overflow:hidden;padding:80px 0;}
.cta-section::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.13) 1px,transparent 1px);
  background-size:22px 22px;opacity:.6;
}
.cta-section::after{
  content:"";position:absolute;right:-160px;top:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(42,31,78,.85) 0%,rgba(42,31,78,0) 70%);pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.cta-copy h2{color:#fff;font-size:32px;}
.cta-copy p{margin-top:16px;color:rgba(255,255,255,.72);font-size:16px;}
.cta-points{margin-top:26px;display:grid;gap:12px;}
.cta-points li{display:flex;gap:12px;color:rgba(255,255,255,.78);font-size:15px;}
.cta-points li i{color:var(--brand);margin-top:6px;font-size:14px;}
.form-card{background:var(--dark-card);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-dark);}
.form-row{margin-bottom:18px;}
.form-row label{display:block;margin-bottom:8px;font-size:13px;color:rgba(255,255,255,.72);letter-spacing:.02em;}
.form-control-x{
  width:100%;height:48px;padding:0 16px;font-size:15px;color:var(--text);
  background:#fff;border:1px solid var(--border-strong);border-radius:12px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
textarea.form-control-x{height:auto;min-height:112px;padding:12px 16px;line-height:1.7;resize:vertical;}
.form-control-x::placeholder{color:var(--text-3);}
.form-control-x:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,201,122,.2);outline:none;}
.form-error{display:none;margin-top:6px;font-size:13px;color:#E5484D;}
.form-error.show{display:block;}
.form-submit{width:100%;margin-top:6px;}
.form-tip{margin-top:14px;font-size:13px;color:rgba(255,255,255,.55);}
.form-success{
  display:none;margin-top:16px;padding:14px 16px;border-radius:12px;
  background:rgba(18,201,122,.14);border:1px solid rgba(18,201,122,.35);color:#8FF0C4;font-size:14px;
}
.form-success.show{display:block;}

/* 浮动 CTA 与回到顶部 */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1020;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-width:132px;height:48px;padding:0 22px;
  background:var(--brand);color:#062A1B;font-weight:700;font-size:15px;border-radius:999px;
  box-shadow:0 10px 30px rgba(18,201,122,.35);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background-color .2s ease;
}
.float-cta:hover{background:var(--brand-dark);color:#fff;}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top{
  position:fixed;right:24px;bottom:84px;z-index:1021;
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--border-strong);border-radius:50%;color:var(--text-2);
  box-shadow:var(--shadow-card);cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .25s ease;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{color:var(--brand-dark);border-color:var(--brand);}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand-main{color:#fff;font-size:22px;}
.footer-brand .brand-sub{color:rgba(255,255,255,.55);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col a:hover{color:var(--brand);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.68);}
.footer-contact li i{color:var(--brand);margin-top:6px;font-size:13px;flex:0 0 auto;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .page-banner h1{font-size:40px;}
}
@media (max-width:991.98px){
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .intro-grid{grid-template-columns:1fr;gap:32px;}
  .step-grid{grid-template-columns:1fr 1fr;}
  .checklist-grid{grid-template-columns:1fr;gap:32px;}
  .cta-inner{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .compare-head,.compare-row{grid-template-columns:1fr;}
  .compare-head{display:none;}
  .compare-row{padding:20px 20px;gap:12px;}
  .cmp-key{font-size:16px;}
  .cmp-val::before{
    content:attr(data-col);display:block;font-size:12px;color:var(--text-3);margin-right:10px;flex:0 0 auto;
  }
  .cmp-val{display:flex;align-items:flex-start;}
  .section{padding:48px 0;}
  .section-head h2,.checklist-body h2,.cta-copy h2{font-size:26px;}
}
@media (max-width:767.98px){
  .container-x{padding:0 16px;}
  .page-banner{padding:120px 0 44px;min-height:220px;}
  .page-banner h1{font-size:30px;}
  .banner-sub{font-size:15px;}
  .step-grid{grid-template-columns:1fr;}
  .qa-list{padding:4px 18px;}
  .qa-list .accordion-button{font-size:16px;padding:18px 0 18px 16px;}
  .crosslink-box{padding:24px 20px;}
  .cta-section{padding:56px 0 76px;}
  .form-card{padding:22px 18px;}
  .float-cta{
    left:0;right:0;bottom:0;width:100%;min-width:0;height:56px;border-radius:0;
    padding:0;padding-bottom:env(safe-area-inset-bottom);
  }
  .back-top{right:16px;bottom:76px;width:44px;height:44px;}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .stat-strip{padding:4px 18px;}
  .banner-tags{display:none;}
  .check-list li{font-size:15px;}
}