/* roulang page: index */
:root{
  --primary:#0F766E;
  --primary-light:#10B981;
  --accent:#F59E0B;
  --accent-deep:#EA580C;
  --dark-bg:#0B2B26;
  --light-bg:#F8F7F4;
  --card-bg:#FFFFFF;
  --text:#1F2933;
  --text-2:#5B6B79;
  --border:#E5E7EB;
  --success:#10B981;
  --danger:#DC2626;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadowsm:0 2px 8px rgba(15,118,110,0.08);
  --shadowlg:0 8px 24px rgba(15,118,110,0.14);
  --transition:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  background:var(--light-bg);
  color:var(--text);
  line-height:1.7;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:var(--transition)}
ul,ol{list-style:none}
button,input{border:none;outline:none;background:none;font-family:inherit}

.container{max-width:1200px;margin:0 auto;padding:0 24px}
.row.align-center{display:flex;align-items:center}

.text-brand,.text-primary{color:var(--primary)}
.text-accent{color:var(--accent)}
.text-muted{color:var(--text-2)}
.text-center{text-align:center}
.mt-1{margin-top:10px}.mt-2{margin-top:20px}.mt-3{margin-top:30px}.mt-4{margin-top:40px}
.mb-1{margin-bottom:10px}.mb-2{margin-bottom:20px}.mb-3{margin-bottom:30px}.mb-4{margin-bottom:40px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 26px;border-radius:10px;font-size:15px;font-weight:600;
  cursor:pointer;transition:var(--transition);border:1px solid transparent;line-height:1;
}
.btn svg{margin-left:6px;width:16px;height:16px}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;box-shadow:var(--shadowsm);
}
.btn-primary:hover{
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  transform:translateY(-2px);box-shadow:var(--shadowlg);color:#fff;
}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadowsm)}
.btn-secondary{
  background:#fff;border-color:var(--primary);color:var(--primary);
}
.btn-secondary:hover{
  background:rgba(15,118,110,0.08);border-color:var(--primary);color:var(--primary);
}
.btn-accent{
  background:linear-gradient(135deg,var(--accent),var(--accent-deep));
  color:#fff;box-shadow:0 4px 14px rgba(245,158,11,0.3);
}
.btn-accent:hover{
  transform:translateY(-2px);box-shadow:0 8px 24px rgba(245,158,11,0.4);color:#fff;
}
.btn-lg{height:52px;padding:0 36px;font-size:16px;border-radius:12px}

.sec{padding:80px 0}
.sec-header{max-width:760px;margin:0 auto 52px;text-align:center}
.sec-tag{
  display:inline-block;background:rgba(15,118,110,0.1);color:var(--primary);
  font-size:13px;font-weight:600;padding:4px 14px;border-radius:999px;margin-bottom:14px;
}
.sec-header h2{font-size:28px;line-height:1.3;font-weight:700;margin-bottom:14px}
.sec-header p{color:var(--text-2);font-size:16px}

/* ===== Topbar ===== */
.topbar{
  background:var(--dark-bg);color:rgba(255,255,255,0.8);
  height:30px;display:flex;align-items:center;font-size:12px;
}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;
  max-width:1200px;margin:0 auto;padding:0 24px;width:100%;
}
.topbar-left{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:70%}
.topbar-left b{color:#fff;font-weight:600}
.topbar-actions{display:flex;gap:20px;flex-shrink:0}
.topbar-actions a{color:rgba(255,255,255,0.8);font-size:12px;transition:var(--transition)}
.topbar-actions a:hover{color:var(--accent)}

/* ===== Header/Nav ===== */
.main-nav{
  background:#fff;border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:1000;transition:box-shadow .3s ease;
}
.main-nav.is-scrolled{box-shadow:0 4px 20px rgba(0,0,0,0.05)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{
  font-size:22px;font-weight:800;letter-spacing:-0.3px;
  display:flex;align-items:center;gap:2px;flex-shrink:0;
}
.logo .logo-part1{
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.logo .logo-part2{color:var(--text)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
  font-size:15px;font-weight:500;color:var(--text-2);position:relative;padding:18px 0;
}
.nav-links a::after{
  content:'';position:absolute;left:0;bottom:0;width:0;height:4px;
  border-radius:4px 4px 0 0;background:linear-gradient(90deg,var(--primary),var(--primary-light));
  transition:width .3s ease;
}
.nav-links a:hover{color:var(--primary)}
.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--primary);font-weight:600}
.nav-links a.active::after{width:100%}
.btn-nav{margin-left:16px;flex-shrink:0}
.hamburger{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;gap:5px;align-items:center;cursor:pointer}
.hamburger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:var(--transition)}
.hamburger.is-open span:nth-child(1){transform:rotate(45deg) translateY(0);position:absolute}
.hamburger.is-open span:nth-child(2){opacity:0}
.hamburger.is-open span:nth-child(3){transform:rotate(-45deg) translateY(0);position:absolute}

/* ===== Hero ===== */
.hero{
  position:relative;
  background:linear-gradient(135deg,rgba(11,43,38,0.9),rgba(15,118,110,0.75)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:100px 0 120px;overflow:hidden;
}
.hero .hero__bg-grid{
  position:absolute;width:400px;height:400px;
  background-image:radial-gradient(rgba(255,255,255,0.1) 1px,transparent 1px);
  background-size:22px 22px;right:-100px;top:-100px;border-radius:50%;z-index:1;
}
.hero-inner{position:relative;z-index:2;max-width:640px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,0.15);backdrop-filter:blur(3px);
  color:#fff;font-size:13px;font-weight:500;padding:6px 16px;border-radius:999px;margin-bottom:22px;
}
.hero-badge .dot{width:8px;height:8px;background:var(--success);border-radius:50%;box-shadow:0 0 0 3px rgba(16,185,129,0.3)}
.hero h1{
  color:#fff;font-size:40px;font-weight:800;line-height:1.2;margin-bottom:18px;letter-spacing:-1px;
}
.hero h1 span{color:var(--accent)}
.hero-sub{
  color:rgba(255,255,255,0.85);font-size:17px;line-height:1.7;margin-bottom:30px;max-width:520px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-actions .btn-primary{
  background:#fff;color:var(--primary);font-weight:700;box-shadow:0 6px 20px rgba(0,0,0,0.15);
}
.hero-actions .btn-primary:hover{box-shadow:0 10px 30px rgba(0,0,0,0.2);transform:translateY(-2px)}
.hero-actions .btn-secondary{
  background:rgba(255,255,255,0.12);color:#fff;border-color:rgba(255,255,255,0.4);
}
.hero-actions .btn-secondary:hover{background:rgba(255,255,255,0.2);border-color:#fff}
.hero-metrics{
  position:absolute;bottom:-36px;left:0;right:0;z-index:3;
}
.hero-metrics-inner{
  background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadowlg);
  padding:24px 32px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.metric{text-align:center;flex:1;min-width:140px}
.metric-num{font-size:32px;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--primary-light));-webkit-background-clip:text;background-clip:text;color:transparent}
.metric-num.accent{background:linear-gradient(135deg,var(--accent),var(--accent-deep));-webkit-background-clip:text;background-clip:text;color:transparent}
.metric-label{font-size:13px;color:var(--text-2);margin-top:4px}

/* ===== Pain Points ===== */
.pain-sec{background:var(--light-bg);padding:100px 0 80px}
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pain-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:32px 28px;text-align:center;transition:var(--transition);
}
.pain-card:hover{box-shadow:var(--shadowlg);border-color:var(--primary);transform:translateY(-4px)}
.pain-icon{
  width:64px;height:64px;border-radius:18px;background:rgba(15,118,110,0.08);
  display:flex;align-items:center;justify-content:center;margin:0 auto 20px;
}
.pain-icon svg{width:28px;height:28px;stroke:var(--primary)}
.pain-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.pain-card p{color:var(--text-2);font-size:14px;line-height:1.6}

/* ===== Solution ===== */
.solution-sec{background:#fff}
.solution-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.solution-media{position:relative}
.solution-media img{width:100%;border-radius:24px;box-shadow:var(--shadowlg)}
.solution-media::before{
  content:'';position:absolute;top:-24px;right:-24px;width:160px;height:160px;
  background:rgba(15,118,110,0.06);border-radius:40px;z-index:-1;
}
.solution-media::after{
  content:'';position:absolute;bottom:-20px;left:-20px;width:120px;height:120px;
  background:rgba(245,158,11,0.1);border-radius:50%;z-index:-1;
}
.solution-content .sec-tag{margin-bottom:12px}
.solution-content h2{font-size:28px;line-height:1.3;font-weight:700;margin-bottom:20px}
.solution-content>p{color:var(--text-2);font-size:15px;line-height:1.7;margin-bottom:30px}
.sol-list{display:flex;flex-direction:column;gap:20px}
.sol-item{display:flex;gap:16px;align-items:flex-start}
.sol-num{
  min-width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.sol-item h3{font-size:17px;font-weight:600;margin-bottom:4px}
.sol-item p{color:var(--text-2);font-size:14px;line-height:1.6}

/* ===== Stats Dark ===== */
.stats-sec{background:var(--dark-bg);position:relative;overflow:hidden}
.stats-sec::before{
  content:'';position:absolute;width:500px;height:500px;top:-250px;right:-250px;
  background:radial-gradient(circle,rgba(245,158,11,0.12),transparent 60%);border-radius:50%;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:2}
.stat-item{
  background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.08);
  border-radius:var(--radius-lg);padding:36px 24px;text-align:center;backdrop-filter:blur(2px);
}
.stat-num{font-size:34px;font-weight:800;color:var(--accent);line-height:1.2}
.stat-label{color:rgba(255,255,255,0.7);font-size:14px;margin-top:8px}

/* ===== Testimonials ===== */
.testimonial-sec{background:var(--light-bg)}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testi-card{
  background:#fff;border-radius:16px;padding:32px 24px;position:relative;
  border:1px solid var(--border);transition:var(--transition);
  display:flex;flex-direction:column;
}
.testi-card::before{
  content:'“';position:absolute;top:8px;left:20px;font-size:64px;color:var(--accent);
  font-family:Georgia,serif;line-height:1;opacity:0.5;
}
.testi-card:hover{box-shadow:var(--shadowlg);border-color:var(--primary);transform:translateY(-4px)}
.testi-stars{color:var(--accent);font-size:16px;margin-bottom:16px;letter-spacing:4px}
.testi-text{font-size:14px;line-height:1.7;color:var(--text);margin-bottom:20px;flex:1}
.testi-user{display:flex;align-items:center;gap:12px}
.testi-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.testi-name{font-size:14px;font-weight:600}
.testi-role{font-size:12px;color:var(--text-2)}

/* ===== News ===== */
.news-sec{background:#fff}
.news-list{display:flex;flex-direction:column;gap:20px}
.news-card{
  display:flex;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;transition:var(--transition);gap:20px;
}
.news-card:hover{box-shadow:var(--shadowlg);border-color:var(--primary);transform:translateY(-2px)}
.news-thumb{min-width:260px;max-width:260px;min-height:160px;background:rgba(15,118,110,0.1)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{padding:20px 24px;display:flex;flex-direction:column;justify-content:center;flex:1}
.news-tag{
  display:inline-block;background:rgba(15,118,110,0.1);color:var(--primary);
  font-size:12px;font-weight:600;padding:3px 14px;border-radius:999px;margin-bottom:12px;width:fit-content;
}
.news-body h3{font-size:18px;font-weight:600;margin-bottom:8px;line-height:1.4}
.news-body h3 a:hover{color:var(--primary)}
.news-excerpt{color:var(--text-2);font-size:14px;line-height:1.6;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:12px}
.news-meta{display:flex;gap:18px;font-size:12px;color:var(--text-2)}
.empty-state{
  border:2px dashed var(--border);border-radius:16px;padding:60px 24px;text-align:center;
  color:var(--text-2);font-size:15px;
}
.empty-state::before{
  content:'🕓';display:block;font-size:40px;margin-bottom:16px;opacity:0.5;
}

/* ===== FAQ ===== */
.faq-sec{background:var(--light-bg)}
.faq-wrap{max-width:760px;margin:0 auto}
.accordion-item{
  background:#fff;border:1px solid var(--border);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:var(--transition);
}
.accordion-item.is-active{border-color:var(--primary);box-shadow:var(--shadowsm)}
.accordion-title{
  display:flex;align-items:center;justify-content:space-between;padding:16px 24px;
  font-size:15px;font-weight:600;color:var(--text);cursor:pointer;position:relative;height:auto;line-height:1.5;
}
.accordion-title::after{
  content:'+';font-size:20px;color:var(--primary);margin-left:12px;transition:transform .3s ease;font-weight:400;
}
.accordion-item.is-active .accordion-title::after{transform:rotate(45deg)}
.accordion-content{padding:0 24px 18px;border-top:0;background:#fff}
.accordion-content p{color:var(--text-2);font-size:14px;line-height:1.7;padding:10px 0 0}

/* ===== CTA ===== */
.cta-sec{background:#fff;padding:60px 0}
.cta-card{
  background:linear-gradient(135deg,var(--primary),var(--dark-bg));
  border-radius:24px;padding:60px 48px;text-align:center;position:relative;overflow:hidden;
}
.cta-card::before{
  content:'';position:absolute;width:300px;height:300px;bottom:-150px;left:-150px;
  background:radial-gradient(circle,rgba(245,158,11,0.2),transparent 65%);border-radius:50%;
}
.cta-card h2{color:#fff;font-size:28px;font-weight:700;margin-bottom:16px;position:relative;z-index:2}
.cta-card p{color:rgba(255,255,255,0.8);font-size:16px;margin-bottom:30px;position:relative;z-index:2}
.cta-card .btn{position:relative;z-index:2}

/* ===== Footer ===== */
.site-footer{background:var(--dark-bg);padding:60px 0 24px;color:rgba(255,255,255,0.7)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;margin-bottom:40px}
.footer-brand .logo{color:#fff;font-size:20px;margin-bottom:12px}
.footer-brand p{font-size:14px;line-height:1.7;color:rgba(255,255,255,0.6);max-width:280px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;position:relative;padding-bottom:8px}
.footer-col h4::after{content:'';position:absolute;left:0;bottom:0;width:24px;height:3px;background:var(--accent);border-radius:2px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,0.6);transition:var(--transition)}
.footer-col ul li a:hover{color:#fff;padding-left:4px}
.footer-approved{background:rgba(255,255,255,0.04);border-radius:12px;padding:16px;font-size:13px;line-height:1.7;color:rgba(255,255,255,0.5)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.08);padding-top:24px;text-align:center;
  font-size:13px;color:rgba(255,255,255,0.4);
}
.footer-bottom a{color:rgba(255,255,255,0.6)}
.footer-bottom a:hover{color:#fff}

/* ===== Mobile ===== */
@media (max-width:1024px){
  .nav-inner{flex-wrap:wrap}
  .nav-links{display:none;flex-direction:column;width:100%;background:#fff;position:absolute;top:64px;left:0;right:0;padding:16px 24px;gap:4px;border-bottom:1px solid var(--border);box-shadow:0 12px 30px rgba(0,0,0,0.08)}
  .nav-links.is-open{display:flex}
  .nav-links a{padding:12px 0;font-size:16px;border-bottom:1px solid #f3f4f6}
  .nav-links a::after{display:none}
  .hamburger{display:flex}
  .btn-nav{margin-left:auto}
  .solution-grid{grid-template-columns:1fr;gap:40px}
  .pain-grid{grid-template-columns:repeat(2,1fr)}
  .testi-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .news-thumb{min-width:220px;max-width:220px}
}
@media (max-width:640px){
  .sec{padding:56px 0}
  .container{padding:0 16px}
  .hero{padding:70px 0 110px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:15px}
  .hero-actions .btn{width:100%}
  .hero-metrics-inner{padding:20px 16px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .metric-num{font-size:24px}
  .metric-label{font-size:12px}
  .pain-grid{grid-template-columns:1fr}
  .solution-content h2{font-size:22px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:16px}
  .stat-item{padding:24px 16px}
  .stat-num{font-size:24px}
  .testi-card{padding:24px}
  .news-card{flex-direction:column}
  .news-thumb{min-width:100%;max-width:100%;height:140px}
  .news-body{padding:16px}
  .news-body h3{font-size:16px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .cta-card{padding:40px 24px}
  .cta-card h2{font-size:22px}
  .topbar-actions a:nth-child(2){display:none}
  .logo{font-size:18px}
  .btn-nav{margin-left:8px;padding:0 12px;height:40px;font-size:13px}
  .hero-badge{font-size:12px;padding:4px 12px}
}

/* roulang page: article */
:root {
    --primary: #0F766E;
    --primary-light: #10B981;
    --primary-grad: linear-gradient(135deg, #0F766E, #10B981);
    --accent: #F59E0B;
    --accent-light: #EA580C;
    --accent-grad: linear-gradient(135deg, #F59E0B, #EA580C);
    --dark: #0B2B26;
    --page-bg: #F8F7F4;
    --card-bg: #FFFFFF;
    --text: #1F2933;
    --text-secondary: #5B6B79;
    --border: #E5E7EB;
    --success: #10B981;
    --danger: #DC2626;
    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-sm: 10px;
    --shadow: 0 2px 8px rgba(15,118,110,0.08);
    --shadow-hover: 0 8px 24px rgba(15,118,110,0.14);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: "PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
    background: var(--page-bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 15px;
}
img { max-width: 100%; height: auto; }
a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--primary-light); }
a:focus, button:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---- 顶部信息条 ---- */
.topbar {
    background: var(--dark);
    min-height: 32px;
    display: flex;
    align-items: center;
    color: rgba(255,255,255,.8);
    font-size: 12px;
}
.topbar-inner { display: flex; justify-content: space-between; align-items: center; width: 100%; gap: 16px; }
.topbar-left { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; letter-spacing: .2px; }
.topbar-right { display: flex; align-items: center; gap: 0; flex-shrink: 0; }
.topbar-right a { color: rgba(255,255,255,.85); margin-left: 18px; font-weight: 500; transition: color .2s; }
.topbar-right a:hover { color: var(--accent); }

/* ---- 主导航 ---- */
.main-nav {
    position: sticky; top: 0; z-index: 100;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 8px rgba(0,0,0,.04);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: inline-flex; align-items: center; font-weight: 800; font-size: 20px; line-height: 1.2; }
.logo-part1 { background: var(--primary-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.logo-part2 { color: var(--dark); }
.nav-links { display: flex; align-items: center; gap: 28px; margin: 0; }
.nav-links li { margin: 0; }
.nav-links li a {
    color: var(--text); font-size: 14.5px; font-weight: 500;
    padding: 10px 0 6px; border-bottom: 4px solid transparent;
    transition: color .2s, border-color .2s;
}
.nav-links li a:hover { color: var(--primary); }
.nav-links li a.active { color: var(--primary); border-bottom-color: var(--primary); }
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    height: 44px; padding: 0 28px; border-radius: 10px;
    font-size: 15px; font-weight: 600; border: 0; cursor: pointer;
    transition: all .2s ease;
}
.btn-primary { background: var(--primary-grad); color: #fff; box-shadow: 0 2px 8px rgba(15,118,110,.25); }
.btn-primary:hover { background: var(--primary-grad); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-primary:active { transform: translateY(1px); box-shadow: 0 1px 4px rgba(15,118,110,.2); }
.btn-nav { height: 38px; padding: 0 20px; font-size: 14px; }
.hamburger { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--dark); margin: 4px 0; border-radius: 2px; transition: background .2s; }
.hamburger:hover span { background: var(--primary); }

/* ---- 面包屑 ---- */
.breadcrumb {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 13px 0;
    font-size: 13px;
    color: var(--text-secondary);
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { margin: 0 6px; opacity: .55; }
.breadcrumb .current { color: var(--text); font-weight: 500; }

/* ---- 文章主体 ---- */
.article-wrap {
    padding: 48px 0 64px;
    background-image: radial-gradient(rgba(15,118,110,.045) 1px, transparent 1px);
    background-size: 24px 24px;
}
.article-main {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 48px 56px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    max-width: 860px;
    margin: 0 auto;
}
.article-header { text-align: center; margin-bottom: 28px; }
.article-header h1 {
    font-size: 34px; font-weight: 800; line-height: 1.3;
    color: var(--dark); margin: 0 0 16px;
    letter-spacing: .5px;
}
.article-meta {
    display: flex; justify-content: center; gap: 20px; flex-wrap: wrap;
    font-size: 13px; color: var(--text-secondary);
}
.article-meta i { color: var(--primary); margin-right: 4px; }
.article-meta a { color: var(--text-secondary); }
.article-meta a:hover { color: var(--primary); }
.article-divider { border: 0; border-top: 1px solid var(--border); margin: 24px 0; }
.article-content {
    font-size: 16px; line-height: 1.85; color: var(--text);
    word-break: break-word;
}
.article-content p { margin-bottom: 1.2em; }
.article-content h2 {
    font-size: 22px; font-weight: 700; margin: 32px 0 14px;
    color: var(--dark); padding-left: 14px;
    border-left: 4px solid var(--primary);
    line-height: 1.4;
}
.article-content h3 { font-size: 18px; font-weight: 600; margin: 24px 0 10px; color: var(--dark); }
.article-content ul, .article-content ol { margin: 12px 0 16px; padding-left: 24px; }
.article-content ul li { list-style: disc; margin-bottom: 6px; }
.article-content ol li { list-style: decimal; margin-bottom: 6px; }
.article-content blockquote {
    border-left: 4px solid var(--accent);
    background: rgba(245,158,11,.08);
    padding: 14px 18px;
    border-radius: 0 10px 10px 0;
    margin: 20px 0;
    color: var(--text-secondary);
}
.article-content img { border-radius: 12px; margin: 20px 0; box-shadow: var(--shadow); }
.article-content a { text-decoration: underline; text-underline-offset: 3px; }
.article-content table { width: 100%; border-collapse: collapse; margin: 16px 0; }
.article-content th, .article-content td { border: 1px solid var(--border); padding: 10px 12px; text-align: left; }
.article-content th { background: rgba(15,118,110,.08); font-weight: 600; }
.article-content code { background: rgba(15,118,110,.08); padding: 2px 6px; border-radius: 4px; font-size: 14px; }

/* ---- 文末标签 ---- */
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.tag-pill {
    display: inline-block;
    background: rgba(15,118,110,.08);
    color: var(--primary);
    font-size: 13px; font-weight: 500;
    padding: 8px 18px;
    border-radius: 999px;
    border: 1px solid rgba(15,118,110,.15);
    transition: all .2s;
}
.tag-pill:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---- 相关推荐 ---- */
.related-section { max-width: 860px; margin: 36px auto 0; }
.related-title {
    font-size: 20px; font-weight: 700; color: var(--dark);
    margin-bottom: 20px; padding-bottom: 12px; position: relative;
}
.related-title::after {
    content: '';
    position: absolute; left: 0; bottom: 0;
    width: 44px; height: 4px;
    background: var(--accent-grad);
    border-radius: 2px;
}
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.related-card {
    background: #fff;
    border-radius: 16px;
    padding: 22px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: all .25s ease;
    display: flex; flex-direction: column; gap: 10px;
}
.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}
.related-card .related-cat {
    font-size: 12px; color: var(--primary);
    background: rgba(15,118,110,.08);
    padding: 4px 12px;
    border-radius: 999px;
    align-self: flex-start;
}
.related-card h3 { font-size: 16px; font-weight: 600; color: var(--dark); line-height: 1.4; margin: 0; }
.related-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.6; margin: 0; }
.back-list { display: flex; justify-content: center; margin-top: 32px; }
.btn-outline {
    display: inline-flex; align-items: center; justify-content: center;
    height: 44px; padding: 0 26px; border-radius: 10px;
    border: 1.5px solid var(--primary); color: var(--primary);
    font-size: 14px; font-weight: 600; background: transparent;
    transition: all .25s;
}
.btn-outline:hover { background: rgba(15,118,110,.08); color: var(--primary); transform: translateY(-2px); }
.btn-outline:active { transform: translateY(0); }

/* ---- 内容未找到 ---- */
.not-found {
    text-align: center;
    padding: 80px 40px;
    max-width: 620px;
    margin: 48px auto;
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}
.not-found .icon { font-size: 48px; color: var(--primary); margin-bottom: 16px; }
.not-found h1 { font-size: 26px; color: var(--dark); margin-bottom: 8px; }
.not-found p { color: var(--text-secondary); font-size: 14px; margin-bottom: 24px; }

/* ---- 页脚 ---- */
.site-footer { background: var(--dark); color: rgba(255,255,255,.7); padding: 56px 0 0; margin-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 36px; padding-bottom: 40px; }
.footer-brand .logo { margin-bottom: 12px; }
.footer-brand p { font-size: 13px; line-height: 1.8; margin: 0; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 8px; font-size: 13px; }
.footer-col ul li a { color: rgba(255,255,255,.7); transition: color .2s; }
.footer-col ul li a:hover { color: #fff; }
.footer-approved { font-size: 13px; line-height: 1.8; border-left: 3px solid var(--accent); padding-left: 14px; color: rgba(255,255,255,.65); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.12);
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,.6);
}
.footer-bottom a { color: rgba(255,255,255,.8); }
.footer-bottom a:hover { color: var(--accent); }

/* ---- 响应式 ---- */
@media (max-width: 1024px) {
    .container { padding: 0 20px; }
    .nav-links { gap: 16px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .related-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 820px) {
    .related-grid { grid-template-columns: 1fr; }
    .related-section { padding: 0 4px; }
}
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 64px; left: 0; right: 0;
        background: #fff;
        padding: 18px 24px;
        flex-direction: column;
        gap: 4px;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 10px 24px rgba(0,0,0,.08);
    }
    .nav-links.open { display: flex; }
    .nav-links li a { display: block; padding: 12px 0; border-bottom: 2px solid transparent; }
    .hamburger { display: block; }
    .btn-nav { display: none; }
    .article-main { padding: 32px 24px; }
    .article-header h1 { font-size: 26px; }
    .article-content { font-size: 15px; }
    .topbar-right a:last-child { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
    .container { padding: 0 16px; }
    .article-wrap { padding: 28px 0 48px; }
    .article-main { padding: 24px 18px; border-radius: 16px; }
    .article-meta { gap: 10px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .site-footer { padding-top: 44px; }
    .not-found { padding: 48px 20px; }
}

/* roulang page: category1 */
:root {
  --primary: #0F766E;
  --primary-light: #10B981;
  --primary-dark: #0B2B26;
  --primary-grad: linear-gradient(135deg, #0F766E, #10B981);
  --accent: #F59E0B;
  --accent-grad: linear-gradient(135deg, #F59E0B, #EA580C);
  --bg-page: #F8F7F4;
  --bg-card: #ffffff;
  --text-main: #1F2933;
  --text-muted: #5B6B79;
  --border-color: #E5E7EB;
  --success: #10B981;
  --danger: #DC2626;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(15,118,110,0.08);
  --shadow-hover: 0 8px 24px rgba(15,118,110,0.14);
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-main);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color .2s ease;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

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

/* ===== 顶部信息条 ===== */
.top-bar {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.82);
  font-size: 12px;
}

.top-bar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.top-left,
.top-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.top-sep {
  opacity: .4;
}

.top-link {
  color: rgba(255,255,255,0.82);
  transition: color .2s;
}

.top-link:hover {
  color: var(--accent);
}

/* ===== 主导航 ===== */
.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
}

.header-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: .5px;
  white-space: nowrap;
}

.logo-strong {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.logo-normal {
  color: var(--text-main);
}

.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  padding: 20px 0;
  position: relative;
}

.nav-link:hover {
  color: var(--primary);
}

.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary-grad);
  border-radius: 4px 4px 0 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  height: 44px;
  padding: 0 24px;
  transition: all .25s ease;
}

.btn-primary {
  background: var(--primary-grad);
  color: #fff !important;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}

.btn-secondary:hover {
  background: rgba(15,118,110,0.08);
  transform: translateY(-2px);
}

.btn-header {
  height: 40px;
  padding: 0 20px;
  font-size: 14px;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}

.hamburger.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.is-active span:nth-child(2) {
  opacity: 0;
}

.hamburger.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-drawer {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  box-shadow: 0 12px 24px rgba(0,0,0,0.12);
  z-index: 999;
  padding: 12px 24px 20px;
  display: none;
  border-bottom: 1px solid var(--border-color);
}

.mobile-drawer.open {
  display: block;
}

.drawer-link {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
}

.drawer-link.active {
  color: var(--primary);
}

.drawer-btn {
  margin-top: 16px;
  width: 100%;
}

/* ===== 分类页 Hero ===== */
.category-hero {
  background: var(--primary-dark);
  color: #fff;
  padding: 56px 0 40px;
  position: relative;
  overflow: hidden;
}

.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("/assets/images/backpic/back-2.png") center / cover;
  opacity: .22;
}

.category-hero .container {
  position: relative;
  z-index: 2;
}

.breadcrumb {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  margin-bottom: 16px;
}

.breadcrumb a:hover {
  color: var(--accent);
}

.crumb-sep {
  margin: 0 8px;
  opacity: .6;
}

.category-title {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 14px;
}

.category-intro {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255,255,255,0.85);
  max-width: 820px;
  margin-bottom: 28px;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.badge-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 14px;
  padding: 14px 22px;
  min-width: 100px;
}

.badge-num {
  display: block;
  font-size: 26px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
}

.badge-label {
  display: block;
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  margin-top: 4px;
}

/* ===== 入口卡片区 ===== */
.entry-section {
  padding: 64px 0 0;
}

.section-title {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 30px;
  position: relative;
  padding-left: 18px;
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  border-radius: 4px;
  background: var(--primary-grad);
}

.entry-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.entry-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}

.entry-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}

.entry-media {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #E6F2F0;
  overflow: hidden;
}

.entry-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.entry-status {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(255,255,255,0.94);
  color: var(--success);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}

.entry-body {
  padding: 24px 24px 28px;
}

.entry-cat {
  font-size: 12px;
  color: var(--primary);
  background: rgba(15,118,110,0.10);
  padding: 3px 12px;
  border-radius: 999px;
  font-weight: 600;
}

.entry-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-top: 10px;
  line-height: 1.4;
}

.entry-body > p {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 8px;
  line-height: 1.65;
}

.entry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.tag {
  font-size: 12px;
  color: var(--text-muted);
  background: #F2F3F5;
  border-radius: 999px;
  padding: 4px 12px;
}

.entry-btn {
  margin-top: 18px;
  height: 40px;
  padding: 0 22px;
  font-size: 14px;
}

@media (min-width: 768px) {
  .entry-card:nth-child(even) {
    transform: translateY(18px);
  }
  .entry-card:nth-child(even):hover {
    transform: translateY(14px);
    box-shadow: var(--shadow-hover);
  }
}

/* ===== 最新资讯 ===== */
.news-section {
  padding: 56px 0 0;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.news-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: border-color .2s, box-shadow .2s, transform .2s;
}

.news-row:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.news-content {
  display: flex;
  align-items: center;
  gap: 14px;
}

.news-cat {
  font-size: 12px;
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  padding: 2px 10px;
  font-weight: 600;
}

.news-title {
  font-size: 15px;
  font-weight: 500;
}

.news-time {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ===== 内页 CTA ===== */
.inner-cta-section {
  padding: 56px 0 72px;
}

.inner-cta-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  box-shadow: var(--shadow-sm);
}

.inner-cta-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

.inner-cta-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.btn-cta {
  height: 48px;
  padding: 0 32px;
  font-size: 16px;
  white-space: nowrap;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.8);
  padding: 56px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 36px;
  margin-bottom: 36px;
}

.footer-brand .logo {
  font-size: 20px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.65);
  margin-top: 10px;
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 14px;
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul a {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  transition: color .2s, padding-left .2s;
}

.footer-col ul a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-approved {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 18px;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.55);
}

.footer-bottom a {
  color: rgba(255,255,255,0.7);
}

.footer-bottom a:hover {
  color: var(--accent);
}

/* ===== 焦点状态 ===== */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .main-nav {
    display: none;
  }
  .btn-header {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .entry-grid {
    grid-template-columns: 1fr;
  }
  .entry-card:nth-child(even) {
    transform: none;
  }
  .entry-card:nth-child(even):hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
  }
}

@media (max-width: 767px) {
  .container {
    padding: 0 16px;
  }
  .category-title {
    font-size: 26px;
  }
  .category-intro {
    font-size: 15px;
  }
  .badge-card {
    padding: 12px 16px;
    min-width: 84px;
  }
  .badge-num {
    font-size: 22px;
  }
  .entry-section {
    padding-top: 48px;
  }
  .section-title {
    font-size: 22px;
  }
  .news-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 16px 18px;
  }
  .news-content {
    flex-wrap: wrap;
  }
  .inner-cta-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 20px;
  }
  .btn-cta {
    width: 100%;
    justify-content: center;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .top-right .top-link:last-child {
    display: none;
  }
}

/* roulang page: category2 */
:root {
            --primary: #0F766E;
            --primary-light: #10B981;
            --primary-grad: linear-gradient(135deg, #0F766E, #10B981);
            --accent: #F59E0B;
            --accent-dark: #EA580C;
            --accent-grad: linear-gradient(135deg, #F59E0B, #EA580C);
            --dark: #0B2B26;
            --dark-light: #123B34;
            --bg: #F8F7F4;
            --card: #FFFFFF;
            --text: #1F2933;
            --text-weak: #5B6B79;
            --border: #E5E7EB;
            --success: #10B981;
            --danger: #DC2626;
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(15, 118, 110, 0.08);
            --shadow-hover: 0 8px 24px rgba(15, 118, 110, 0.14);
            --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
            --container: 1200px;
            --spacing-lg: 90px;
            --spacing-md: 64px;
            --spacing-sm: 40px;
        }
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease;
        }
        ul {
            list-style: none;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 顶部信息条 ===== */
        .topbar {
            background: var(--dark);
            height: 34px;
            display: flex;
            align-items: center;
            color: rgba(255, 255, 255, 0.8);
            font-size: 12.5px;
            overflow: hidden;
        }
        .topbar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            white-space: nowrap;
        }
        .topbar-left {
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 60%;
        }
        .topbar-right a {
            color: rgba(255, 255, 255, 0.85);
            margin-left: 22px;
            transition: color .25s;
        }
        .topbar-right a:hover {
            color: var(--accent);
        }
        @media (max-width: 640px) {
            .topbar-right a:last-child {
                display: none;
            }
            .topbar-left {
                max-width: 75%;
            }
        }

        /* ===== 主导航 ===== */
        .main-nav {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(6px);
            border-bottom: 1px solid var(--border);
            height: 64px;
            display: flex;
            align-items: center;
            box-shadow: 0 1px 4px rgba(11, 43, 38, 0.04);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: baseline;
            font-size: 19px;
            font-weight: 800;
            letter-spacing: 0.5px;
            line-height: 1.2;
            white-space: nowrap;
        }
        .logo-part1 {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .logo-part2 {
            color: var(--text);
        }
        .nav-links {
            display: flex;
            gap: 6px;
            margin: 0;
        }
        .nav-links>li {
            margin: 0;
        }
        .nav-links a {
            display: block;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            border-radius: 8px;
            position: relative;
            transition: color .25s, background .25s;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: rgba(15, 118, 110, 0.06);
        }
        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: -10px;
            height: 4px;
            border-radius: 4px 4px 0 0;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
        }
        .btn-nav {
            padding: 0 20px;
            height: 40px;
            font-size: 14px;
        }
        .hamburger {
            display: none;
            background: transparent;
            border: none;
            width: 40px;
            height: 40px;
            padding: 8px;
            cursor: pointer;
            border-radius: 8px;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
        }
        .hamburger span {
            display: block;
            height: 2px;
            width: 100%;
            background: var(--text);
            border-radius: 2px;
            transition: all .3s;
        }
        .hamburger:hover {
            background: rgba(15, 118, 110, 0.08);
        }
        @media (max-width: 900px) {
            .nav-links {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 24px;
                box-shadow: 0 12px 32px rgba(11, 43, 38, 0.12);
                border-bottom: 1px solid var(--border);
                transform: translateY(-130%);
                transition: transform .35s ease;
                z-index: 99;
                max-height: calc(100vh - 64px);
                overflow-y: auto;
            }
            .nav-links.open {
                transform: translateY(0);
            }
            .nav-links a {
                padding: 14px 12px;
                font-size: 16px;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-links a.active {
                background: rgba(15, 118, 110, 0.08);
            }
            .btn-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
        }

        /* ===== 通用按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            padding: 0 26px;
            height: 44px;
            border-radius: 10px;
            text-decoration: none;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all .28s ease;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary-grad);
            color: #fff;
            box-shadow: 0 4px 14px rgba(15, 118, 110, 0.25);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(15, 118, 110, 0.32);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(15, 118, 110, 0.18);
        }
        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-secondary:hover {
            background: rgba(15, 118, 110, 0.08);
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--accent-grad);
            color: #fff;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
        }
        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.4);
        }
        .btn-lg {
            height: 48px;
            padding: 0 36px;
            font-size: 16px;
        }
        .btn-sm {
            height: 36px;
            padding: 0 18px;
            font-size: 14px;
        }
        .btn:focus-visible, .hamburger:focus-visible, .accordion-title:focus-visible {
            outline: 3px solid rgba(15, 118, 110, 0.3);
            outline-offset: 2px;
        }

        /* ===== 通用标签/徽章 ===== */
        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(15, 118, 110, 0.08);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            line-height: 1.4;
        }
        .badge-chip {
            display: inline-flex;
            flex-direction: column;
            align-items: center;
            padding: 14px 22px;
            border-radius: 16px;
            background: var(--card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            text-align: center;
            min-width: 108px;
        }
        .badge-chip .num {
            font-size: 28px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.2;
        }
        .badge-chip .lbl {
            font-size: 12px;
            color: var(--text-weak);
            margin-top: 2px;
        }
        .badge-dark {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.12);
        }
        .badge-dark .num {
            background: linear-gradient(135deg, var(--accent), #fbbf24);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .badge-dark .lbl {
            color: rgba(255, 255, 255, 0.75);
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: var(--spacing-lg) 0;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--text);
        }
        .section-sub {
            font-size: 15px;
            color: var(--text-weak);
            max-width: 640px;
            margin-bottom: 32px;
        }
        .section-head {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-head .section-title {
            font-size: 30px;
        }
        .section-head .section-sub {
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 640px) {
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .section-head .section-title {
                font-size: 24px;
            }
        }

        /* ===== 分类 Hero ===== */
        .category-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(11, 43, 38, 0.92), rgba(15, 118, 110, 0.78)),
                url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            color: #fff;
            padding: 72px 0;
            overflow: hidden;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 40px;
            background: var(--bg);
            border-radius: 50% 50% 0 0 / 100% 100% 0 0;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 60px;
            align-items: center;
        }
        .category-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--accent);
            background: rgba(245, 158, 11, 0.14);
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 18px;
        }
        .category-hero h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .category-hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            max-width: 560px;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-batches {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
        }
        .hero-batch-item {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 16px;
            padding: 20px 16px;
            text-align: center;
            backdrop-filter: blur(4px);
            transition: border-color .3s, background .3s;
        }
        .hero-batch-item:hover {
            border-color: rgba(245, 158, 11, 0.5);
            background: rgba(255, 255, 255, 0.12);
        }
        .hero-batch-item .num {
            font-size: 28px;
            font-weight: 800;
            display: block;
            line-height: 1.2;
            background: linear-gradient(135deg, var(--accent), #fbbf24);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .hero-batch-item .lbl {
            font-size: 12.5px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
            display: block;
        }
        @media (max-width: 900px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .hero-batches {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 520px) {
            .category-hero {
                padding: 56px 0;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero-desc {
                font-size: 14.5px;
            }
            .hero-batches {
                gap: 8px;
            }
            .hero-batch-item {
                padding: 14px 8px;
            }
            .hero-batch-item .num {
                font-size: 20px;
            }
        }

        /* ===== 入口卡片 ===== */
        .entry-section {
            padding: 80px 0 40px;
        }
        .entry-cards-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .entry-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: box-shadow .3s ease, transform .3s ease, border-color .3s ease;
        }
        .entry-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(15, 118, 110, 0.35);
        }
        .entry-card-thumb {
            position: relative;
            min-height: 180px;
            background: linear-gradient(135deg, #e6f2f0, #f0f7f5);
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .entry-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }
        .entry-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent-grad);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            box-shadow: 0 2px 8px rgba(234, 88, 12, 0.28);
        }
        .entry-card-body {
            padding: 22px 24px 26px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .entry-card-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.35;
            margin-bottom: 8px;
        }
        .entry-card-body p {
            font-size: 14.5px;
            color: var(--text-weak);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }
        .entry-card-meta {
            display: flex;
            gap: 6px;
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .entry-card .btn {
            align-self: flex-start;
        }
        .entry-card.offset-card {
            transform: translateY(18px);
        }
        .entry-card.offset-card:hover {
            transform: translateY(10px);
        }
        @media (max-width: 900px) {
            .entry-cards-grid {
                grid-template-columns: 1fr;
            }
            .entry-card.offset-card {
                transform: none;
            }
            .entry-card.offset-card:hover {
                transform: translateY(-4px);
            }
        }
        @media (max-width: 640px) {
            .entry-section {
                padding: 52px 0 20px;
            }
            .entry-card-thumb {
                min-height: 140px;
            }
            .entry-card-body {
                padding: 18px 18px 22px;
            }
        }

        /* ===== 手机优势 ===== */
        .advantage-section {
            background: #fff;
            padding: 80px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .advantage-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .advantage-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 300px;
            box-shadow: var(--shadow-hover);
        }
        .advantage-media img {
            width: 100%;
            height: 100%;
            min-height: 300px;
            object-fit: cover;
        }
        .advantage-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 118, 110, 0.12), rgba(11, 43, 38, 0.3));
            pointer-events: none;
        }
        .advantage-list .tag {
            margin-bottom: 16px;
        }
        .advantage-list h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .advantage-list .adv-sub {
            font-size: 15px;
            color: var(--text-weak);
            margin-bottom: 28px;
        }
        .adv-items {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .adv-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid #eef0f2;
            transition: background .25s;
        }
        .adv-item:last-child {
            border-bottom: none;
        }
        .adv-item:hover {
            background: rgba(15, 118, 110, 0.03);
        }
        .adv-num {
            font-size: 15px;
            font-weight: 800;
            color: var(--primary);
            background: rgba(15, 118, 110, 0.08);
            width: 32px;
            height: 32px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .adv-item h4 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 4px;
        }
        .adv-item p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.65;
        }
        @media (max-width: 900px) {
            .advantage-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .advantage-media {
                min-height: 220px;
            }
            .advantage-media img {
                min-height: 220px;
            }
            .advantage-list h2 {
                font-size: 24px;
            }
        }
        @media (max-width: 640px) {
            .advantage-section {
                padding: 56px 0;
            }
        }

        /* ===== 资讯区 ===== */
        .info-section {
            padding: 80px 0;
        }
        .info-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .info-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 18px 24px;
            transition: box-shadow .3s, transform .3s, border-color .3s;
        }
        .info-item:hover {
            border-color: rgba(15, 118, 110, 0.4);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .info-item .date {
            font-size: 13px;
            color: var(--text-weak);
            white-space: nowrap;
            border-right: 1px solid var(--border);
            padding-right: 18px;
            min-width: 92px;
        }
        .info-item .title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            transition: color .25s;
        }
        .info-item:hover .title {
            color: var(--primary);
        }
        .info-item .go {
            margin-left: auto;
            color: var(--text-weak);
            font-size: 14px;
            white-space: nowrap;
            transition: color .25s;
        }
        .info-item:hover .go {
            color: var(--accent-dark);
        }
        @media (max-width: 640px) {
            .info-section {
                padding: 56px 0;
            }
            .info-item {
                padding: 14px 16px;
                gap: 12px;
            }
            .info-item .date {
                display: none;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #fff;
            border-top: 1px solid var(--border);
            padding: 80px 0;
        }
        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }
        .accordion {
            background: transparent;
            list-style: none;
            margin: 0;
        }
        .accordion-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color .3s, box-shadow .3s;
        }
        .accordion-item:hover {
            border-color: rgba(15, 118, 110, 0.3);
        }
        .accordion-item.is-active {
            border-color: rgba(15, 118, 110, 0.5);
            box-shadow: var(--shadow-sm);
        }
        .accordion-title {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            padding: 18px 24px;
            line-height: 1.4;
            cursor: pointer;
            position: relative;
            transition: color .25s;
            min-height: 56px;
        }
        .accordion-title:hover {
            color: var(--primary);
        }
        .accordion-title::after {
            content: '+';
            font-size: 24px;
            font-weight: 300;
            color: var(--primary);
            margin-left: 12px;
            transition: transform .3s;
            flex-shrink: 0;
            line-height: 1;
        }
        .accordion-item.is-active .accordion-title::after {
            transform: rotate(45deg);
        }
        .accordion-content {
            padding: 0 24px 20px;
            font-size: 14.5px;
            color: var(--text-weak);
            line-height: 1.75;
        }
        @media (max-width: 640px) {
            .faq-section {
                padding: 56px 0;
            }
            .accordion-title {
                padding: 14px 18px;
                font-size: 15px;
            }
            .accordion-content {
                padding: 0 18px 16px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
        }
        .cta-card {
            background: var(--primary-grad);
            border-radius: 24px;
            padding: 56px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: 0 16px 48px rgba(15, 118, 110, 0.28);
        }
        .cta-card::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }
        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 30px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.15);
        }
        .cta-card h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 14px;
            position: relative;
            z-index: 2;
        }
        .cta-card p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 2;
        }
        .cta-card .btn {
            position: relative;
            z-index: 2;
        }
        @media (max-width: 640px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-card {
                padding: 40px 24px;
                border-radius: 18px;
            }
            .cta-card h2 {
                font-size: 22px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 44px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .logo {
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 13.5px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.6);
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color .25s;
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-approved {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            background: rgba(255, 255, 255, 0.04);
            border-radius: 12px;
            padding: 14px 18px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            padding-top: 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .site-footer {
                padding: 48px 0 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: auto;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            padding: 20px 0 0;
            font-size: 13px;
            color: var(--text-weak);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            margin: 0 6px;
            color: #c0c8cf;
        }
        .breadcrumb .cur {
            color: var(--text);
        }
        @media (max-width: 640px) {
            .breadcrumb {
                font-size: 12px;
            }
        }

        /* ===== 交互焦点状态 ===== */
        a:focus-visible {
            outline: 3px solid rgba(15, 118, 110, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .btn:disabled {
            opacity: 0.5;
            pointer-events: none;
        }

        /* ===== 通用文本工具类 ===== */
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 8px;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .mb-3 {
            margin-bottom: 24px;
        }

/* roulang page: category3 */
:root{
  --primary:#0F766E;
  --primary-light:#10B981;
  --primary-dark:#0B2B26;
  --accent:#F59E0B;
  --accent-dark:#EA580C;
  --bg:#F8F7F4;
  --card:#FFFFFF;
  --text:#1F2933;
  --muted:#5B6B79;
  --border:#E5E7EB;
  --success:#10B981;
  --danger:#DC2626;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:20px;
  --shadow:0 2px 8px rgba(15,118,110,0.08);
  --shadow-hover:0 8px 24px rgba(15,118,110,0.14);
  --transition:all 0.25s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:var(--transition);}
a:hover{color:var(--primary-light);}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;margin:0 0 16px;color:var(--text);}
h1{font-size:38px;}
h2{font-size:27px;margin-bottom:28px;}
h3{font-size:19px;font-weight:600;}
p{margin:0 0 16px;color:var(--text);}
ul,ol{margin:0 0 16px;padding-left:20px;}
button{font-family:inherit;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.row{max-width:1200px;margin:0 auto;}
.column{padding:0 12px;}

/* ===== 顶部信息条 ===== */
.top-info{
  background:var(--primary-dark);
  height:30px;
  display:flex;
  align-items:center;
  color:rgba(255,255,255,0.8);
  font-size:13px;
  overflow:hidden;
}
.top-info .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.top-info-left{display:flex;align-items:center;gap:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;}
.top-info-domain{font-weight:600;color:#fff;}
.top-info-slogan{color:rgba(255,255,255,0.65);}
.top-info-actions{display:flex;align-items:center;gap:16px;white-space:nowrap;flex-shrink:0;}
.top-info-actions a{color:rgba(255,255,255,0.8);font-size:13px;padding:2px 0;border-bottom:1px solid transparent;}
.top-info-actions a:hover{color:var(--accent);border-bottom-color:var(--accent);}
.top-info-actions .info-action-second{}

/* ===== 主导航 ===== */
.main-nav{
  background:#fff;
  border-bottom:1px solid var(--border);
  position:sticky;
  top:0;
  z-index:1000;
  transition:var(--transition);
}
.main-nav.scrolled{box-shadow:0 4px 16px rgba(15,118,110,0.08);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px;}
.logo{
  font-size:22px;
  font-weight:800;
  display:inline-flex;
  align-items:center;
  gap:0;
  color:var(--text);
  white-space:nowrap;
  letter-spacing:.5px;
}
.logo .logo-part1{
  background:linear-gradient(135deg,var(--primary),var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.logo .logo-part2{color:var(--primary-dark);}
.nav-links{display:flex;align-items:center;list-style:none;margin:0;padding:0;gap:6px;}
.nav-links li{margin:0;}
.nav-links a{
  display:inline-block;
  padding:8px 18px;
  color:var(--text);
  font-size:15px;
  font-weight:500;
  border-radius:8px;
  position:relative;
}
.nav-links a:hover{color:var(--primary);background:rgba(15,118,110,0.06);}
.nav-links a.active{
  color:var(--primary);
  font-weight:600;
}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:18px;
  right:18px;
  bottom:-2px;
  height:4px;
  background:linear-gradient(90deg,var(--primary),var(--primary-light));
  border-radius:2px;
}
.btn-nav{margin-left:8px;flex-shrink:0;}
.hamburger{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;
  height:44px;
  background:none;
  border:1px solid var(--border);
  border-radius:10px;
  padding:10px;
  cursor:pointer;
}
.hamburger span{display:block;height:2px;background:var(--text);border-radius:2px;transition:var(--transition);}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 28px;
  border-radius:10px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:var(--transition);
  white-space:nowrap;
  line-height:1;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;
  box-shadow:var(--shadow);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow);}
.btn-primary:focus-visible,.btn-secondary:focus-visible{outline:3px solid rgba(15,118,110,0.3);outline-offset:2px;}
.btn-secondary{
  background:#fff;
  color:var(--primary);
  border-color:var(--primary);
}
.btn-secondary:hover{background:rgba(15,118,110,0.06);color:var(--primary);transform:translateY(-2px);}
.btn-secondary:active{transform:translateY(0);}
.btn-sm{height:38px;padding:0 20px;font-size:14px;border-radius:8px;}
.btn-accent{
  background:linear-gradient(135deg,var(--accent),var(--accent-dark));
  color:#fff;
  box-shadow:0 2px 10px rgba(245,158,11,0.3);
}
.btn-accent:hover{color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(245,158,11,0.4);}

/* ===== 页面 Hero 区块 ===== */
.page-hero{
  background:linear-gradient(125deg,rgba(11,43,38,0.92),rgba(15,118,110,0.78)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#fff;
  padding:80px 0 96px;
  position:relative;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:36px;
  background:var(--bg);
  border-radius:50% 50% 0 0;
  transform:scaleY(0.6);
  transform-origin:bottom;
}
.page-hero-inner{display:flex;flex-direction:column;gap:36px;position:relative;z-index:2;}
.page-hero-text{max-width:780px;}
.page-hero-label{
  display:inline-block;
  background:rgba(255,255,255,0.14);
  border:1px solid rgba(255,255,255,0.24);
  border-radius:999px;
  padding:4px 16px;
  font-size:13px;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:1px;
}
.page-hero h1{
  color:#fff;
  font-size:38px;
  margin-bottom:18px;
  line-height:1.25;
}
.page-hero-desc{
  color:rgba(255,255,255,0.86);
  font-size:16px;
  max-width:640px;
  margin-bottom:0;
}
.page-hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
}
.stat-badge{
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.14);
  border-radius:16px;
  padding:18px 24px;
  min-width:140px;
  backdrop-filter:blur(4px);
}
.stat-num{
  display:block;
  font-size:32px;
  font-weight:800;
  color:var(--accent);
  line-height:1.1;
  letter-spacing:.5px;
}
.stat-label{
  display:block;
  margin-top:6px;
  font-size:13px;
  color:rgba(255,255,255,0.72);
}

/* ===== 板块通用 ===== */
.section{padding:80px 0;}
.section-alt{background:#fff;}
.section-light{background:rgba(245,158,11,0.04);}
.section-head{text-align:center;max-width:720px;margin:0 auto 44px;}
.section-head h2{margin-bottom:12px;position:relative;}
.section-head p{color:var(--muted);font-size:15px;margin-bottom:0;}

/* ===== 场景卡 ===== */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.scene-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:28px 26px;
  box-shadow:var(--shadow);
  transition:var(--transition);
  position:relative;
  overflow:hidden;
}
.scene-card::before{
  content:"";
  position:absolute;
  left:0;top:0;
  width:4px;height:100%;
  background:linear-gradient(180deg,var(--primary),var(--primary-light));
  opacity:0;
  transition:var(--transition);
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--primary);}
.scene-card:hover::before{opacity:1;}
.scene-icon{
  width:48px;height:48px;
  border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(15,118,110,0.1);
  color:var(--primary);
  font-size:22px;
  margin-bottom:18px;
}
.scene-card h3{margin-bottom:10px;}
.scene-card p{margin-bottom:0;font-size:14px;color:var(--muted);}

/* ===== 检测流程 ===== */
.steps-wrap{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  counter-reset:step;
}
.step-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:30px 24px 26px;
  box-shadow:var(--shadow);
  transition:var(--transition);
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.step-card::before{
  counter-increment:step;
  content:"0" counter(step);
  position:absolute;
  top:-16px;left:24px;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;
  font-size:14px;
  font-weight:800;
  padding:4px 14px;
  border-radius:999px;
  letter-spacing:.5px;
}
.step-card h3{margin-top:18px;margin-bottom:10px;font-size:17px;}
.step-card p{margin-bottom:0;font-size:14px;color:var(--muted);}

/* ===== 入口卡片列表 ===== */
.entry-cards-list{margin:0 -12px;}
.entry-card{
  display:flex;
  flex-direction:row;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:var(--transition);
  height:100%;
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(15,118,110,0.4);}
.entry-card-media{
  width:42%;
  min-height:200px;
  position:relative;
  background:#d8f5ee;
  overflow:hidden;
}
.entry-card-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.entry-card-badge{
  position:absolute;
  top:14px;left:14px;
  background:rgba(11,43,38,0.78);
  color:#fff;
  border-radius:999px;
  padding:4px 14px;
  font-size:12px;
  z-index:2;
  backdrop-filter:blur(2px);
}
.entry-card-body{
  flex:1;
  padding:24px 26px;
  display:flex;
  flex-direction:column;
}
.entry-card-body h3{margin-bottom:10px;font-size:20px;}
.entry-card-body .desc{font-size:14px;color:var(--muted);flex:1;margin-bottom:16px;}
.entry-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.tag{
  display:inline-block;
  background:rgba(15,118,110,0.08);
  color:var(--primary);
  font-size:12px;
  padding:4px 14px;
  border-radius:999px;
  font-weight:500;
}
.tag-warn{background:rgba(245,158,11,0.12);color:#b45309;}
.tag-danger{background:rgba(220,38,38,0.08);color:var(--danger);}
.entry-card-reverse .entry-card{flex-direction:row-reverse;}
.entry-card-reverse .entry-card-media{width:42%;}
.entry-card-footer{margin-top:auto;}

/* ===== 分类资讯 ===== */
.info-list{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.info-list-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:18px 24px;
  border-bottom:1px solid var(--border);
  transition:var(--transition);
}
.info-list-item:last-child{border-bottom:none;}
.info-list-item:hover{background:rgba(15,118,110,0.03);}
.info-list-title{
  font-size:15px;
  font-weight:600;
  color:var(--text);
  display:flex;
  align-items:center;
  gap:10px;
}
.info-list-title .info-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--success);
  flex-shrink:0;
}
.info-list-title a{color:var(--text);}
.info-list-title a:hover{color:var(--primary);}
.info-list-time{font-size:13px;color:var(--muted);white-space:nowrap;}

/* ===== FAQ 手风琴 ===== */
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion{margin:0;padding:0;list-style:none;background:transparent;}
.accordion-item{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  margin-bottom:14px;
  overflow:hidden;
  transition:var(--transition);
}
.accordion-item.is-active{border-color:var(--primary);box-shadow:var(--shadow);}
.accordion-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  background:#fff !important;
  border:none !important;
  padding:18px 22px !important;
  font-size:16px !important;
  font-weight:600;
  color:var(--text) !important;
  line-height:1.4;
  margin:0;
  position:relative;
  cursor:pointer;
}
.accordion-title:hover{color:var(--primary) !important;}
.accordion-title::before{
  content:"+";
  font-size:22px;
  font-weight:400;
  color:var(--primary);
  transition:var(--transition);
  flex-shrink:0;
  margin-left:16px;
  line-height:1;
}
.accordion-item.is-active .accordion-title::before{
  transform:rotate(45deg);
}
.accordion-title .fa{display:none;}
.accordion-title:focus{outline:none;}
.accordion-content{
  background:#fff !important;
  border:none !important;
  border-top:1px solid var(--border) !important;
  padding:4px 22px 20px !important;
  color:var(--muted);
  font-size:14px;
}

/* ===== CTA 区 ===== */
.cta-section{padding:80px 0;}
.cta-card{
  background:linear-gradient(125deg,var(--primary),var(--primary-dark) 80%);
  border-radius:24px;
  padding:64px 48px;
  text-align:center;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-card::before{
  content:"";
  position:absolute;
  top:-40px;right:-40px;
  width:200px;height:200px;
  background:radial-gradient(circle,rgba(255,255,255,0.12),transparent 70%);
}
.cta-card::after{
  content:"";
  position:absolute;
  bottom:-60px;left:-60px;
  width:240px;height:240px;
  background:radial-gradient(circle,rgba(245,158,11,0.22),transparent 70%);
}
.cta-card h2{color:#fff;font-size:30px;margin-bottom:14px;position:relative;z-index:2;}
.cta-card p{color:rgba(255,255,255,0.82);font-size:16px;margin-bottom:30px;position:relative;z-index:2;}
.cta-card .btn{position:relative;z-index:2;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--primary-dark);
  color:rgba(255,255,255,0.8);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 0.8fr 0.8fr 1fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand .logo{font-size:22px;margin-bottom:16px;display:block;}
.footer-brand p{font-size:14px;color:rgba(255,255,255,0.6);margin-bottom:0;max-width:300px;}
.footer-col h4{
  color:#fff;
  font-size:16px;
  font-weight:600;
  margin-bottom:18px;
}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{
  color:rgba(255,255,255,0.7);
  font-size:14px;
}
.footer-col ul a:hover{color:#fff;padding-left:4px;}
.footer-approved{
  font-size:13px;
  color:rgba(255,255,255,0.55);
  line-height:1.7;
  background:rgba(255,255,255,0.06);
  border-radius:12px;
  padding:14px 16px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.12);
  padding:20px 0;
  text-align:center;
}
.footer-bottom p{margin:0;font-size:13px;color:rgba(255,255,255,0.5);}
.footer-bottom a{color:rgba(255,255,255,0.7);}
.footer-bottom a:hover{color:#fff;}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;}
  .stats-wrap{flex-wrap:wrap;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .top-info-slogan{display:none;}
  .top-info-actions .info-action-second{display:none;}
  .hamburger{display:flex;}
  .nav-inner{height:60px;}
  .nav-links{
    display:none;
    position:absolute;
    top:60px;
    left:0;
    right:0;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    padding:16px;
    box-shadow:0 8px 24px rgba(15,118,110,0.1);
    border-top:1px solid var(--border);
    border-bottom:1px solid var(--border);
    border-radius:0 0 16px 16px;
  }
  .nav-links.open{display:flex;}
  .nav-links li{margin:0 0 4px;}
  .nav-links a{display:block;padding:12px 14px;border-radius:10px;font-size:16px;}
  .nav-links a.active{background:rgba(15,118,110,0.08);}
  .nav-links a.active::after{display:none;}
  .btn-nav{display:none;}
  .page-hero{padding:56px 0 72px;}
  .page-hero h1{font-size:28px;}
  .page-hero-desc{font-size:15px;}
  .stat-badge{min-width:120px;padding:14px 18px;}
  .stat-num{font-size:26px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .section-head h2{font-size:22px;}
  .scene-grid{grid-template-columns:1fr;}
  .steps-wrap{grid-template-columns:1fr 1fr;gap:16px;}
  .entry-card{flex-direction:column !important;}
  .entry-card-media,.entry-card-reverse .entry-card-media{width:100%;min-height:180px;position:relative;}
  .entry-card-media img{position:absolute;}
  .entry-card-body{padding:22px;}
  .info-list-item{flex-direction:column;align-items:flex-start;gap:6px;}
  .cta-section{padding:56px 0;}
  .cta-card{padding:40px 24px;}
  .cta-card h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:520px){
  .steps-wrap{grid-template-columns:1fr;}
  .stat-badge{min-width:calc(50% - 8px);}
  .btn{padding:0 20px;font-size:14px;}
  .page-hero-stats{gap:10px;}
  .entry-card .btn{width:100%;}
}