/* roulang page: index */
:root{
--primary:#123a5e;--primary-light:#1a5485;--primary-dark:#09263f;
--accent:#e0a94f;--accent-hover:#c9902f;--accent-soft:#fbf3e3;
--bg:#f4f7fa;--bg-white:#ffffff;--bg-deep:#edf1f5;
--text:#1c2b3a;--text-light:#5f7186;--text-weak:#8fa0b3;
--border:#dde5ec;--radius:14px;--radius-sm:8px;--radius-lg:24px;
--shadow:0 4px 24px rgba(12,38,64,.08);--shadow-hover:0 10px 36px rgba(12,38,64,.14);
--transition:.3s ease;--container:1220px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color var(--transition)}
button,input,select,textarea{font-family:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
/* Top bar */
.topbar{background:var(--primary-dark);color:#d3dce6;font-size:13px;padding:8px 0}
.topbar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:6px}
.topbar a{color:#e8c98a}
.topbar a:hover{color:#fff}
.topbar i{margin-right:4px;color:#e0a94f}
/* Header */
.header{background:var(--bg-white);box-shadow:0 2px 12px rgba(12,38,64,.06);position:sticky;top:0;z-index:100}
.header .container{display:flex;align-items:center;justify-content:space-between;padding-top:16px;padding-bottom:16px;gap:24px}
.logo{display:flex;align-items:center;gap:10px}
.logo-icon{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-light));display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;flex-shrink:0;box-shadow:0 4px 14px rgba(18,58,94,.3)}
.logo-text{font-size:24px;font-weight:800;color:var(--primary);letter-spacing:1px;line-height:1.2}
.logo-text small{display:block;font-size:11px;font-weight:400;color:var(--text-weak);letter-spacing:2px}
.nav{display:flex;align-items:center;gap:28px}
.nav a{font-size:15px;font-weight:500;color:var(--text);padding:6px 2px;position:relative;white-space:nowrap}
.nav a::after{content:'';position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--accent);transition:width var(--transition);border-radius:2px}
.nav a:hover::after,.nav a.active::after{width:100%}
.nav a.active{color:var(--primary);font-weight:700}
.nav a:hover{color:var(--primary)}
.nav-cta{margin-left:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 26px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;border:2px solid transparent;cursor:pointer;transition:all var(--transition);line-height:1.4}
.btn-primary{background:var(--accent);color:#2a1e06;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);transform:translateY(-2px);box-shadow:0 6px 20px rgba(224,169,79,.4)}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px);box-shadow:0 6px 20px rgba(18,58,94,.25)}
.btn-light{background:#fff;color:var(--primary);border-color:#fff}
.btn-light:hover{background:var(--accent-soft);border-color:var(--accent)}
.btn-big{padding:15px 38px;font-size:16px;border-radius:12px}
/* Mobile nav */
.nav-toggle{display:none;background:none;border:none;font-size:24px;color:var(--primary);cursor:pointer}
/* Hero */
.hero{background:linear-gradient(135deg,rgba(9,38,63,.92),rgba(18,58,94,.82)),url(/assets/images/backpic/back-1.png) center/cover fixed;color:#fff;padding:96px 0 88px;position:relative;overflow:hidden}
.hero::after{content:'';position:absolute;bottom:-40px;right:-40px;width:320px;height:320px;border-radius:50%;background:rgba(224,169,79,.15);border:30px solid rgba(224,169,79,.08)}
.hero .container{position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(224,169,79,.18);border:1px solid rgba(224,169,79,.4);color:#f5d894;padding:6px 16px;border-radius:50px;font-size:13px;font-weight:600;margin-bottom:22px;letter-spacing:1px}
.hero h1{font-size:46px;line-height:1.25;font-weight:800;margin-bottom:20px;letter-spacing:1px}
.hero h1 span{color:var(--accent)}
.hero p{font-size:17px;color:rgba(255,255,255,.88);max-width:640px;margin-bottom:32px;line-height:1.9}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-meta{margin-top:42px;display:flex;gap:36px;flex-wrap:wrap}
.hero-meta .hm-item{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.8)}
.hero-meta .hm-item i{color:var(--accent);font-size:18px}
/* Section base */
.section{padding:84px 0}
.section-alt{background:var(--bg-white)}
.section h2{font-size:32px;font-weight:800;color:var(--primary);text-align:center;margin-bottom:10px;letter-spacing:1px}
.section .subtitle{text-align:center;color:var(--text-light);font-size:16px;max-width:680px;margin:0 auto 52px;line-height:1.8}
/* Features */
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.feature-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius);padding:32px 26px;text-align:center;transition:all var(--transition);position:relative;overflow:hidden}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--primary));opacity:0;transition:opacity var(--transition)}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:transparent}
.feature-card:hover::before{opacity:1}
.feature-icon{width:68px;height:68px;border-radius:18px;background:var(--accent-soft);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;color:var(--accent-hover);font-size:28px;transition:all var(--transition)}
.feature-card:hover .feature-icon{background:var(--primary);color:#fff;transform:scale(1.05)}
.feature-card h3{font-size:18px;font-weight:700;margin-bottom:12px;color:var(--text)}
.feature-card p{font-size:14px;color:var(--text-light);line-height:1.75}
/* Category cards */
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.cat-card{background:var(--bg-white);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);transition:all var(--transition);display:flex;flex-direction:column}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:transparent}
.cat-card .cat-cover{position:relative;height:200px;overflow:hidden}
.cat-card .cat-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.cat-card:hover .cat-cover img{transform:scale(1.06)}
.cat-card .cat-cover::after{content:'';position:absolute;bottom:0;left:0;right:0;height:60px;background:linear-gradient(to top,rgba(0,0,0,.35),transparent)}
.cat-card .cat-badge{position:absolute;top:16px;left:16px;z-index:2;background:rgba(255,255,255,.92);color:var(--primary);padding:5px 14px;border-radius:50px;font-size:12px;font-weight:700;box-shadow:var(--shadow)}
.cat-card .cat-body{padding:24px;flex:1;display:flex;flex-direction:column}
.cat-card h3{font-size:20px;font-weight:700;color:var(--primary);margin-bottom:8px}
.cat-card .cat-body p{font-size:14px;color:var(--text-light);line-height:1.75;flex:1;margin-bottom:18px}
.cat-card .cat-link{display:inline-flex;align-items:center;gap:6px;color:var(--accent-hover);font-weight:600;font-size:14px}
.cat-card .cat-link i{transition:transform var(--transition)}
.cat-card .cat-link:hover i{transform:translateX(4px)}
/* News section */
.news-wrap{display:grid;grid-template-columns:1fr 380px;gap:34px}
.news-list{display:flex;flex-direction:column;gap:16px}
.news-item{display:flex;gap:18px;background:var(--bg-white);border-radius:var(--radius);padding:22px;border:1px solid var(--border);transition:all var(--transition);align-items:flex-start}
.news-item:hover{box-shadow:var(--shadow-hover);transform:translateX(4px);border-color:transparent}
.news-item .news-date{flex-shrink:0;text-align:center;min-width:60px;padding:10px 6px;background:var(--accent-soft);border-radius:10px}
.news-item .news-date .d{font-size:24px;font-weight:800;color:var(--primary);line-height:1}
.news-item .news-date .m{font-size:12px;color:var(--text-light)}
.news-item .news-content{flex:1}
.news-item .news-content h3{font-size:16px;font-weight:600;margin-bottom:6px;line-height:1.5}
.news-item .news-content h3 a{color:var(--text)}
.news-item .news-content h3 a:hover{color:var(--primary)}
.news-item .news-content p{font-size:14px;color:var(--text-light);line-height:1.7;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item .news-meta{display:flex;gap:14px;font-size:12px;color:var(--text-weak)}
.news-item .news-meta i{margin-right:3px;color:var(--accent-hover)}
.news-sidebar{display:flex;flex-direction:column;gap:24px}
.sidebar-card{background:var(--bg-white);border-radius:var(--radius);padding:26px;border:1px solid var(--border)}
.sidebar-card h3{font-size:18px;font-weight:700;color:var(--primary);margin-bottom:18px;padding-bottom:12px;border-bottom:2px solid var(--accent-soft);display:flex;align-items:center;gap:8px}
.sidebar-card h3 i{color:var(--accent-hover)}
.sidebar-list{list-style:none}
.sidebar-list li{padding:10px 0;border-bottom:1px dashed var(--border)}
.sidebar-list li:last-child{border-bottom:none}
.sidebar-list li a{font-size:14px;color:var(--text);display:flex;justify-content:space-between;align-items:center;gap:10px}
.sidebar-list li a:hover{color:var(--primary)}
.sidebar-list li a i{font-size:12px;color:var(--text-weak)}
.sidebar-tag{display:flex;flex-wrap:wrap;gap:8px}
.sidebar-tag a{background:var(--bg-deep);padding:6px 14px;border-radius:50px;font-size:13px;color:var(--text-light);transition:all var(--transition)}
.sidebar-tag a:hover{background:var(--primary);color:#fff}
/* Flow section */
.flow-section{background:linear-gradient(135deg,rgba(9,38,63,.96),rgba(18,58,94,.9)),url(/assets/images/backpic/back-2.png) center/cover;color:#fff;position:relative}
.flow-section .section h2{color:#fff}
.flow-section .subtitle{color:rgba(255,255,255,.75)}
.flow-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;position:relative}
.flow-steps::before{content:'';position:absolute;top:50%;left:4%;right:4%;height:2px;background:rgba(224,169,79,.25)}
.flow-step{position:relative;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:30px 24px;text-align:center;backdrop-filter:blur(8px);transition:all var(--transition)}
.flow-step:hover{background:rgba(255,255,255,.12);transform:translateY(-6px)}
.flow-num{width:44px;height:44px;border-radius:50%;background:var(--accent);color:#2a1e06;font-size:18px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;position:relative;z-index:1;box-shadow:0 4px 14px rgba(224,169,79,.5)}
.flow-step h3{font-size:17px;font-weight:700;margin-bottom:10px}
.flow-step p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.7}
/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.stat-block{text-align:center;padding:36px 20px;background:var(--bg-white);border-radius:var(--radius);border:1px solid var(--border);transition:all var(--transition)}
.stat-block:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.stat-num{font-size:40px;font-weight:800;color:var(--primary);line-height:1.2}
.stat-num span{color:var(--accent-hover)}
.stat-label{font-size:14px;color:var(--text-light);margin-top:8px}
.stat-desc{font-size:13px;color:var(--text-weak);margin-top:4px}
/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:var(--bg-white);border-radius:var(--radius);border:1px solid var(--border);margin-bottom:14px;overflow:hidden;transition:all var(--transition)}
.faq-item:hover{box-shadow:var(--shadow)}
.faq-item summary{display:flex;justify-content:space-between;align-items:center;padding:20px 26px;cursor:pointer;font-weight:600;font-size:15px;color:var(--text);list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--accent-hover);font-size:14px;transition:transform var(--transition)}
.faq-item[open] summary i{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 26px 22px;font-size:14px;color:var(--text-light);line-height:1.85}
/* CTA */
.cta-section{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;padding:64px 0;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;top:-60px;right:-60px;width:240px;height:240px;border-radius:50%;background:rgba(224,169,79,.1)}
.cta-section .container{display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap}
.cta-left h2{font-size:30px;font-weight:800;margin-bottom:10px}
.cta-left p{color:rgba(255,255,255,.8);max-width:600px;line-height:1.8}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
/* Footer */
.footer{background:var(--primary-dark);color:#b8c6d4;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:14px;max-width:320px;color:rgba(255,255,255,.6)}
.footer h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:18px}
.footer ul{list-style:none}
.footer ul li{margin-bottom:10px}
.footer ul li a{font-size:14px;color:rgba(255,255,255,.65);transition:all var(--transition)}
.footer ul li a:hover{color:var(--accent);padding-left:6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;font-size:13px;color:rgba(255,255,255,.4);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
.empty-tip{background:var(--accent-soft);border:1px dashed var(--accent);border-radius:var(--radius);padding:24px;text-align:center;color:var(--text-light);font-size:15px}
/* Back to top */
.back-top{position:fixed;bottom:28px;right:28px;width:46px;height:46px;border-radius:50%;background:var(--primary);color:#fff;border:none;font-size:18px;cursor:pointer;box-shadow:var(--shadow-hover);z-index:99;transition:all var(--transition)}
.back-top:hover{background:var(--accent-hover);transform:translateY(-4px)}
/* Responsive */
@media(max-width:1024px){
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .flow-steps{grid-template-columns:repeat(2,1fr)}
  .flow-steps::before{display:none}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .category-grid{grid-template-columns:repeat(2,1fr)}
  .news-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav{display:none}
  .nav.open{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:var(--bg-white);box-shadow:var(--shadow);padding:20px;border-top:2px solid var(--accent);gap:16px;align-items:flex-start}
  .nav-toggle{display:block}
  .nav-cta{margin-left:0}
}
@media(max-width:768px){
  .hero{padding:64px 0}
  .hero h1{font-size:32px}
  .hero p{font-size:15px}
  .section{padding:60px 0}
  .section h2{font-size:26px}
  .category-grid{grid-template-columns:1fr}
  .features-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .flow-steps{grid-template-columns:1fr}
  .cta-section .container{flex-direction:column;text-align:center}
  .cta-actions{justify-content:center}
  .footer-grid{grid-template-columns:1fr}
  .hero-meta{gap:14px}
  .stat-num{font-size:30px}
}
@media(max-width:520px){
  .container{padding:0 16px}
  .logo-text{font-size:20px}
  .topbar .container{justify-content:center;text-align:center}
  .news-item{flex-direction:column}
  .news-item .news-date{min-width:auto;display:inline-flex;gap:4px;align-items:center;padding:4px 12px}
  .hero-actions .btn{width:100%}
  .stats-grid{grid-template-columns:1fr}
}

/* roulang page: article */
:root {
  --primary: #1a4d8f;
  --primary-dark: #0e3268;
  --primary-light: #eef5ff;
  --accent: #f0a500;
  --accent-dark: #d18b00;
  --bg: #f7f9fc;
  --bg-white: #ffffff;
  --bg-light: #f0f4f8;
  --card-bg: #ffffff;
  --text: #1e2a3a;
  --text-light: #5a6b7f;
  --text-muted: #8899aa;
  --border: #e5eaf0;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 4px 20px rgba(26,77,143,.08);
  --shadow-lg: 0 8px 35px rgba(26,77,143,.14);
  --shadow-hover: 0 10px 40px rgba(26,77,143,.16);
  --transition: all .3s cubic-bezier(.4,0,.2,1);
  --spacing-section: 72px;
  --container-width: 1200px;
  --nav-height: 68px;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--accent);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
ul, ol {
  list-style: none;
}
button, input, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}
::selection {
  background: var(--accent);
  color: #fff;
}
h1, h2, h3, h4, h5, h6 {
  line-height: 1.4;
  font-weight: 700;
  color: var(--text);
}
p {
  margin-bottom: 16px;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.24);
  box-shadow: 0 1px 0 rgba(26,77,143,.06), 0 2px 18px rgba(26,77,143,.06);
}
.header .container {
  display: flex;
  align-items: center;
  min-height: var(--nav-height);
  gap: 28px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(26,77,143,.3);
}
.logo-text {
  display: flex;
  flex-direction: column;
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 1px;
  line-height: 1.1;
  white-space: nowrap;
}
.logo-text small {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 2px;
  margin-top: 2px;
}
.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: flex-end;
}
.nav a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-light);
  transition: var(--transition);
  position: relative;
  white-space: nowrap;
}
.nav a:hover {
  color: var(--primary);
  background: var(--primary-light);
}
.nav a.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
}
.nav a.active::after {
  content: '';
  display: block;
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
}
.nav-cta {
  padding: 8px 18px !important;
  border-radius: 8px !important;
  font-size: 14px !important;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 12px;
}
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--bg-light);
  color: var(--text);
  font-size: 16px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.nav-toggle:hover {
  background: var(--primary-light);
  color: var(--primary);
}

/* Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  line-height: 1.6;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 14px rgba(26,77,143,.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26,77,143,.4);
  color: #fff;
}
.btn-outline {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}
.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  box-shadow: 0 4px 14px rgba(240,165,0,.3);
}
.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(240,165,0,.4);
  color: #fff;
}
.btn-lg {
  padding: 14px 36px;
  font-size: 16px;
  border-radius: 12px;
}

/* Breadcrumb */
.breadcrumb-bar {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: 26px 0;
  position: relative;
  overflow: hidden;
}
.breadcrumb-bar::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  opacity: .12;
  pointer-events: none;
}
.breadcrumb-bar .container {
  position: relative;
  z-index: 1;
}
.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,.8);
  margin-bottom: 8px;
}
.breadcrumb-nav a {
  color: rgba(255,255,255,.85);
}
.breadcrumb-nav a:hover {
  color: var(--accent);
}
.breadcrumb-nav .sep {
  color: rgba(255,255,255,.4);
}
.breadcrumb-title {
  color: #fff;
  font-size: 26px;
  font-weight: 700;
}
.breadcrumb-title .badge {
  margin-left: 12px;
  vertical-align: middle;
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(240,165,0,.15);
  color: var(--accent);
  border: 1px solid rgba(240,165,0,.3);
  white-space: nowrap;
}
.badge-primary {
  background: rgba(26,77,143,.1);
  color: var(--primary);
  border-color: rgba(26,77,143,.2);
}
.badge-white {
  background: rgba(255,255,255,.2);
  color: #fff;
  border-color: rgba(255,255,255,.3);
}

/* Article Main */
.article-main {
  padding: 48px 0 64px;
}
.article-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  align-items: start;
}
.article-sidebar {
  position: sticky;
  top: 88px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.side-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 24px;
  box-shadow: var(--shadow);
}
.side-card h4 {
  font-size: 14px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-light);
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
}
.side-card ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.side-card ul li a {
  font-size: 14px;
  color: var(--text-light);
  padding: 8px 12px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}
.side-card ul li a:hover {
  color: var(--primary);
  background: var(--primary-light);
  padding-left: 16px;
}
.side-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 28px 24px;
  border-radius: var(--radius);
  color: #fff;
  text-align: center;
  box-shadow: 0 8px 30px rgba(26,77,143,.2);
}
.side-cta h3 {
  color: #fff;
  font-size: 18px;
  margin-bottom: 8px;
}
.side-cta p {
  color: rgba(255,255,255,.8);
  font-size: 13px;
  margin-bottom: 16px;
}
.side-cta .btn {
  width: 100%;
}
.article-body {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.article-header {
  padding: 36px 40px 28px;
  border-bottom: 1px solid var(--border);
}
.article-header .badge-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  align-items: center;
}
.article-header h1 {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 16px;
}
.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 13.5px;
  color: var(--text-muted);
  padding-top: 14px;
  border-top: 1px dashed var(--border);
}
.meta-row span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.meta-row i {
  color: var(--accent);
  font-size: 12px;
}
.article-content {
  padding: 34px 40px 40px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--text);
}
.article-content p {
  margin-bottom: 18px;
}
.article-content h2,
.article-content h3,
.article-content h4 {
  margin-top: 32px;
  margin-bottom: 14px;
  font-weight: 700;
}
.article-content h2 {
  font-size: 21px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-light);
  display: inline-block;
  color: var(--primary-dark);
}
.article-content h3 {
  font-size: 18px;
  color: var(--primary);
}
.article-content ul,
.article-content ol {
  margin: 0 0 20px 24px;
}
.article-content ul li,
.article-content ol li {
  margin-bottom: 8px;
  position: relative;
  padding-left: 4px;
}
.article-content ul li::before {
  content: '▸';
  color: var(--accent);
  position: absolute;
  left: -18px;
  font-size: 14px;
}
.article-content ol {
  list-style: none;
  counter-reset: ol-counter;
}
.article-content ol li {
  counter-increment: ol-counter;
}
.article-content ol li::before {
  content: counter(ol-counter);
  background: var(--primary);
  color: #fff;
  position: absolute;
  left: -28px;
  top: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}
.article-content blockquote {
  margin: 24px 0;
  padding: 18px 24px;
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  border-radius: 8px;
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
}
.article-content blockquote p {
  margin-bottom: 0;
}
.article-content img {
  border-radius: var(--radius-sm);
  margin: 20px 0;
  box-shadow: var(--shadow);
}
.article-content a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-content code {
  background: var(--bg-light);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 14px;
  color: var(--primary);
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
}
.article-content table th {
  background: var(--primary);
  color: #fff;
  padding: 12px 16px;
  font-weight: 600;
}
.article-content table td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--border);
}
.article-content table tr:nth-child(even) {
  background: var(--bg);
}
.article-footer {
  padding: 24px 40px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}
.share-btns {
  display: flex;
  gap: 8px;
}
.share-btns a {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--bg);
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition);
}
.share-btns a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}
.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  padding: 5px 14px;
  background: var(--bg-light);
  color: var(--text-light);
  border-radius: 20px;
  font-size: 12.5px;
  font-weight: 500;
  transition: var(--transition);
  border: 1px solid transparent;
}
.tag:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}
.related-section {
  margin-top: 32px;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 32px 36px;
  box-shadow: var(--shadow);
}
.related-section h3 {
  font-size: 18px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--primary-dark);
  border-left: 4px solid var(--accent);
  padding-left: 12px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.related-item {
  display: flex;
  gap: 14px;
  padding: 14px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  border: 1px solid transparent;
}
.related-item:hover {
  background: #fff;
  border-color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.related-item .cover {
  width: 80px;
  height: 60px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
}
.related-item .cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.related-item .info h4 {
  font-size: 13.5px;
  line-height: 1.4;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-item .info h4 a {
  color: var(--text);
}
.related-item .info h4 a:hover {
  color: var(--primary);
}
.related-item .info .time {
  font-size: 12px;
  color: var(--text-muted);
}

/* CTA */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, #1a4d8f 50%, #2b6cb0 100%);
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(240,165,0,.15), transparent 70%);
  border-radius: 50%;
}
.cta-section .container {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #fff;
}
.cta-section h2 {
  color: #fff;
  font-size: 30px;
  margin-bottom: 14px;
}
.cta-section p {
  color: rgba(255,255,255,.75);
  font-size: 15px;
  max-width: 600px;
  margin: 0 auto 28px;
}
.cta-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  background: #0d1830;
  color: rgba(255,255,255,.7);
  padding: 54px 0 0;
  font-size: 14px;
}
.footer .logo {
  margin-bottom: 16px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand p {
  color: rgba(255,255,255,.6);
  font-size: 13.5px;
  line-height: 1.8;
  max-width: 320px;
}
.footer h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid rgba(240,165,0,.3);
  display: inline-block;
}
.footer ul li {
  margin-bottom: 10px;
}
.footer ul li a {
  color: rgba(255,255,255,.6);
  font-size: 13.5px;
  transition: var(--transition);
  padding: 3px 0;
}
.footer ul li a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer .contact-list li {
  color: rgba(255,255,255,.7);
  padding: 6px 0;
  display: flex;
  align-items: center;
  font-size: 13.5px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0 24px;
  font-size: 13px;
  color: rgba(255,255,255,.4);
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom span:last-child {
  font-family: monospace;
}
.not-found {
  text-align: center;
  padding: 60px 40px;
}
.not-found .icon-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  margin: 0 auto 16px;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--primary);
}
.not-found p {
  font-size: 16px;
  color: var(--text-light);
  margin-bottom: 24px;
}

/* Responsive */
@media (max-width: 1024px) {
  :root {
    --spacing-section: 56px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
  .related-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    box-shadow: var(--shadow-lg);
    border-radius: 0 0 16px 16px;
    padding: 16px 24px;
    gap: 4px;
    transform: translateY(-120%);
    transition: transform .3s ease;
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    z-index: 99;
  }
  .nav.open {
    transform: translateY(0);
  }
  .nav a {
    padding: 12px 16px;
    font-size: 15px;
  }
  .nav a.active::after {
    display: none;
  }
  .nav-toggle {
    display: flex;
    margin-left: auto;
  }
  .nav-cta {
    margin-left: 0;
    width: 100%;
    margin-top: 8px;
    justify-content: center;
  }
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
  }
  .article-header {
    padding: 28px 24px 24px;
  }
  .article-header h1 {
    font-size: 22px;
  }
  .article-content {
    padding: 26px 24px 32px;
    font-size: 15px;
  }
  .article-footer {
    padding: 20px 24px;
  }
  .related-section {
    padding: 24px 20px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .cta-section h2 {
    font-size: 24px;
  }
  .breadcrumb-title {
    font-size: 20px;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .header .container {
    gap: 12px;
  }
  .logo-text {
    font-size: 18px;
  }
  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 15px;
  }
  .article-content {
    padding: 20px 18px 28px;
    font-size: 14.5px;
  }
  .article-header h1 {
    font-size: 20px;
  }
  .meta-row {
    gap: 12px;
    font-size: 12.5px;
  }
  .related-item .cover {
    width: 72px;
    height: 54px;
  }
  .cta-btns {
    flex-direction: column;
    width: 100%;
  }
  .cta-btns .btn {
    width: 100%;
  }
  .article-content table {
    font-size: 12.5px;
    display: block;
    overflow-x: auto;
  }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #0a6e4a;
  --primary-dark: #075a3b;
  --primary-light: #e6f4ee;
  --accent: #e8a53a;
  --accent-dark: #d18f2a;
  --bg: #f7f9f8;
  --bg-white: #ffffff;
  --text: #1a2b25;
  --text-light: #5b6f66;
  --text-lighter: #8ba198;
  --border: #dde9e2;
  --radius-md: 10px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(10, 110, 74, .06);
  --shadow-md: 0 6px 24px rgba(10, 110, 74, .1);
  --shadow-lg: 0 20px 40px rgba(10, 110, 74, .14);
  --space-section: 88px;
  --header-height: 74px;
  --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
}
/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s, opacity .25s; }
ul, ol { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: 1rem; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
section { padding: var(--space-section) 0; }

/* 内容容器辅助 */
.content-row { display: flex; flex-wrap: wrap; gap: 48px; align-items: flex-start; }
.content-main { flex: 1 1 62%; min-width: 300px; }
.content-aside { flex: 1 1 32%; min-width: 280px; }

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 4px rgba(10, 110, 74, .05);
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 24px;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 4px 10px rgba(10, 110, 74, .25);
}
.logo-text {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 1px;
  line-height: 1.2;
}
.logo-text small {
  display: block;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--text-lighter);
  margin-top: 2px;
}
.nav { display: flex; align-items: center; gap: 8px; }
.nav a {
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-light);
  transition: all .25s;
  white-space: nowrap;
}
.nav a:hover { color: var(--primary); background: var(--primary-light); }
.nav a.active { color: var(--primary); background: var(--primary-light); font-weight: 600; }
.nav .nav-cta { background: var(--primary); color: #fff; display: inline-flex; align-items: center; gap: 6px; box-shadow: 0 4px 12px rgba(10, 110, 74, .3); }
.nav .nav-cta:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 16px rgba(10, 110, 74, .35); }
.nav-toggle { display: none; font-size: 24px; color: var(--primary); padding: 8px; }

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  padding: 90px 0 80px;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  text-align: center;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(7, 90, 59, .92) 0%, rgba(10, 110, 74, .78) 56%, rgba(10, 110, 74, .65) 100%);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 {
  font-size: 46px;
  font-weight: 800;
  letter-spacing: 2px;
  margin-bottom: 16px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, .2);
}
.page-hero p {
  font-size: 17px;
  max-width: 640px;
  margin: 0 auto 32px;
  opacity: .92;
  line-height: 1.8;
}
.hero-breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  opacity: .85;
}
.hero-breadcrumb a:hover { text-decoration: underline; }
.hero-breadcrumb i { font-size: 12px; align-self: center; opacity: .6; }

/* ===== 区块标题 ===== */
.section-head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 48px;
}
.section-head .tagline {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  padding: 6px 18px;
  border-radius: 30px;
  margin-bottom: 16px;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 1px;
  margin-bottom: 12px;
  line-height: 1.35;
}
.section-head p {
  color: var(--text-light);
  font-size: 16px;
  line-height: 1.7;
}

/* ===== 登录方式卡片 ===== */
.login-methods {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 16px;
}
.method-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
  transition: all .3s;
  box-shadow: var(--shadow-sm);
}
.method-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(10, 110, 74, .2);
}
.method-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 24px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  transition: all .3s;
}
.method-card:hover .method-icon { background: var(--primary); color: #fff; }
.method-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.method-card p { font-size: 14px; color: var(--text-light); line-height: 1.65; }

/* ===== 登录流程 ===== */
.steps-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 24px;
  position: relative;
}
.step-item {
  flex: 1 1 200px;
  text-align: center;
  padding: 28px 20px;
  position: relative;
}
.step-num {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  box-shadow: 0 6px 14px rgba(10, 110, 74, .28);
  position: relative;
  z-index: 2;
}
.step-item h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.step-item p { font-size: 14px; color: var(--text-light); max-width: 200px; margin: 0 auto; }
.step-line {
  position: absolute;
  top: 52px;
  left: 55%;
  width: 90%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-light), var(--primary));
  z-index: 1;
  opacity: .5;
}
.step-item:last-child .step-line { display: none; }

/* ===== 安全提示 ===== */
.security-section {
  background: var(--primary-dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.security-section::after {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .06);
}
.security-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
  z-index: 2;
}
.security-item { padding: 24px; border-radius: var(--radius-md); background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .1); transition: all .3s; }
.security-item:hover { background: rgba(255, 255, 255, .12); transform: translateX(4px); }
.security-item i { font-size: 22px; color: var(--accent); margin-bottom: 14px; }
.security-item h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.security-item p { font-size: 14px; opacity: .85; line-height: 1.7; }

/* ===== 常见问题 FAQ ===== */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow .3s;
}
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-q {
  padding: 20px 24px;
  font-weight: 600;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  color: var(--text);
}
.faq-q i { font-size: 14px; color: var(--primary); transition: transform .3s; }
.faq-item.open .faq-q i { transform: rotate(45deg); }
.faq-a {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.8;
}
.faq-item.open .faq-a { padding: 0 24px 20px; max-height: 300px; }

/* ===== CTA 区块 ===== */
.cta-section {
  padding: 80px 0;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  position: relative;
  text-align: center;
  color: #fff;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(7, 90, 59, .88);
}
.cta-section .container { position: relative; z-index: 2; }
.cta-section h2 { font-size: 34px; font-weight: 800; margin-bottom: 16px; letter-spacing: 1px; }
.cta-section p { font-size: 16px; opacity: .9; max-width: 560px; margin: 0 auto 32px; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 36px;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 600;
  transition: all .3s;
  cursor: pointer;
  border: 2px solid transparent;
  line-height: 1.4;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 18px rgba(10, 110, 74, .32); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(10, 110, 74, .38); }
.btn-light { background: #fff; color: var(--primary-dark); }
.btn-light:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0, 0, 0, .15); }
.btn-outline-light { border-color: rgba(255, 255, 255, .8); color: #fff; background: transparent; }
.btn-outline-light:hover { background: rgba(255, 255, 255, .1); border-color: #fff; transform: translateY(-2px); }

/* ===== 内容列表 ===== */
.content-list {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.list-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
  transition: background .25s;
}
.list-item:last-child { border-bottom: none; }
.list-item:hover { background: var(--primary-light); }
.list-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}
.list-item:hover .list-num { background: var(--primary); color: #fff; }
.list-content h4 { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.list-content p { font-size: 14px; color: var(--text-light); }
.list-item i.fa-chevron-right { margin-left: auto; color: var(--text-lighter); font-size: 12px; }

/* ===== 跳转卡片 ===== */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.resource-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all .3s;
  box-shadow: var(--shadow-sm);
}
.resource-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.resource-card .res-img { height: 180px; overflow: hidden; position: relative; }
.resource-card .res-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.resource-card:hover .res-img img { transform: scale(1.06); }
.res-card-body { padding: 24px; }
.res-card-body .res-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 20px;
  margin-bottom: 10px;
}
.res-card-body h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
.res-card-body p { font-size: 14px; color: var(--text-light); line-height: 1.7; margin-bottom: 14px; }
.res-card-meta { font-size: 13px; color: var(--text-lighter); display: flex; align-items: center; gap: 14px; }

/* ===== Footer ===== */
.footer {
  background: #0a1e16;
  color: rgba(255, 255, 255, .75);
  padding: 70px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.footer-brand p { font-size: 14px; line-height: 1.8; margin-top: 16px; opacity: .7; max-width: 320px; }
.footer h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 20px; letter-spacing: 1px; }
.footer ul li { margin-bottom: 12px; }
.footer ul li a { font-size: 14px; opacity: .72; transition: all .25s; }
.footer ul li a:hover { opacity: 1; color: var(--accent); padding-left: 4px; }
.footer .contact-list li { font-size: 14px; opacity: .85; display: flex; align-items: center; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 24px 0;
  font-size: 13px;
  opacity: .55;
}

/* ===== 移动端响应式 ===== */
@media (max-width: 1024px) {
  :root { --space-section: 68px; }
  .login-methods { grid-template-columns: repeat(2, 1fr); }
  .security-grid { grid-template-columns: repeat(2, 1fr); }
  .resource-grid { grid-template-columns: repeat(2, 1fr); }
  .step-line { display: none; }
}
@media (max-width: 768px) {
  :root { --space-section: 56px; --header-height: 62px; }
  .nav-toggle { display: block; }
  .nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px 24px;
    gap: 6px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, .12);
    border-top: 1px solid var(--border);
    display: none;
  }
  .nav.open { display: flex; }
  .nav a { width: 100%; padding: 12px 16px; border-radius: 8px; }
  .nav .nav-cta { justify-content: center; }
  .page-hero h1 { font-size: 32px; }
  .page-hero { padding: 60px 0 52px; }
  .section-head h2 { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .content-row { flex-direction: column; gap: 32px; }
  .steps-wrap { flex-direction: column; align-items: center; }
  .step-item { max-width: 280px; }
  .container { padding: 0 18px; }
}
@media (max-width: 520px) {
  .login-methods { grid-template-columns: 1fr; max-width: 320px; margin-left: auto; margin-right: auto; }
  .security-grid { grid-template-columns: 1fr; }
  .resource-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .page-hero h1 { font-size: 26px; }
  .section-head h2 { font-size: 22px; }
  .cta-section h2 { font-size: 24px; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 280px; }
  .faq-q { font-size: 15px; padding: 16px 18px; }
  .list-item { padding: 16px 18px; }
  .list-content p { font-size: 13px; }
}

/* ===== 通用工具 ===== */
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

/* roulang page: category2 */
:root {
  --primary: #0a633a;
  --primary-dark: #064528;
  --primary-light: #e8f5ee;
  --accent: #e8a13a;
  --accent-light: #fdf1dd;
  --bg: #f7f9f8;
  --white: #ffffff;
  --text: #1a2b23;
  --text-weak: #5f7268;
  --border: #e2eae6;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 32px rgba(10, 99, 58, .10);
  --shadow-hover: 0 14px 40px rgba(10, 99, 58, .16);
  --container: 1200px;
  --spacer: 90px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); line-height: 1.72; font-size: 16px; }
a { text-decoration: none; color: inherit; transition: color .25s; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; outline: none; }
ul, ol { list-style: none; }
.container { width: min(var(--container), 92%); margin: 0 auto; }
::selection { background: var(--primary); color: #fff; }

/* ===== 顶部信息条 ===== */
.topbar { background: var(--primary-dark); color: rgba(255,255,255,.88); font-size: 13px; padding: 8px 0; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.topbar a { color: var(--accent); font-weight: 600; }
.topbar a:hover { color: #fff; }
.topbar-left { display: flex; gap: 20px; align-items: center; }
.topbar-left i { margin-right: 4px; color: var(--accent); }
.topbar-right { display: flex; gap: 16px; align-items: center; }

/* ===== Header ===== */
.header { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 12px rgba(6,69,40,.04); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; flex-wrap: wrap; }
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-icon { width: 44px; height: 44px; border-radius: 12px; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 20px; box-shadow: 0 4px 14px rgba(10,99,58,.25); }
.logo-text { font-size: 22px; font-weight: 800; color: var(--primary-dark); letter-spacing: 1px; line-height: 1.2; display: flex; flex-direction: column; }
.logo-text small { font-size: 10px; font-weight: 600; color: var(--text-weak); letter-spacing: 2px; }
.nav { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.nav a { padding: 9px 20px; border-radius: 30px; font-size: 15px; font-weight: 500; color: var(--text); transition: all .25s; }
.nav a:hover { background: var(--primary-light); color: var(--primary); }
.nav a.active { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(10,99,58,.2); }
.nav .nav-cta { background: linear-gradient(135deg, var(--accent), #d4821e); color: #fff; box-shadow: 0 4px 14px rgba(232,161,58,.35); border: none; }
.nav .nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(232,161,58,.45); }
.nav-toggle { display: none; background: none; border: 1px solid var(--border); border-radius: 10px; width: 44px; height: 44px; font-size: 18px; color: var(--text); cursor: pointer; }

/* ===== 页面Banner ===== */
.page-hero {
  background: linear-gradient(135deg, rgba(6,69,40,.92), rgba(10,99,58,.78)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 90px 0 80px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.page-hero::after { content: ''; position: absolute; bottom: -60px; right: -40px; width: 300px; height: 300px; border-radius: 50%; background: rgba(232,161,58,.15); }
.page-hero .container { position: relative; z-index: 2; }
.crumb { font-size: 14px; color: rgba(255,255,255,.7); margin-bottom: 16px; }
.crumb a { color: var(--accent); }
.crumb a:hover { color: #fff; }
.page-hero h1 { font-size: 44px; line-height: 1.2; margin-bottom: 16px; font-weight: 800; letter-spacing: 1px; }
.page-hero h1 span { color: var(--accent); }
.page-hero p { font-size: 17px; max-width: 640px; color: rgba(255,255,255,.9); }
.hero-tags { display: flex; gap: 10px; margin-top: 24px; flex-wrap: wrap; }
.hero-tags .tag { background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.25); padding: 5px 14px; border-radius: 30px; font-size: 13px; backdrop-filter: blur(6px); }

/* ===== 通用板块 ===== */
.section { padding: var(--spacer) 0; }
.section-alt { background: #fff; }
.section-head { text-align: center; margin-bottom: 52px; max-width: 680px; margin-left: auto; margin-right: auto; }
.section-eyebrow { display: inline-block; background: var(--primary-light); color: var(--primary); font-size: 13px; font-weight: 600; padding: 5px 16px; border-radius: 30px; margin-bottom: 14px; letter-spacing: 1px; }
.section-head h2 { font-size: 34px; font-weight: 800; color: var(--primary-dark); margin-bottom: 12px; line-height: 1.3; }
.section-head p { color: var(--text-weak); font-size: 16px; }

/* ===== 资讯筛选栏 ===== */
.news-filter { margin-bottom: 40px; display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.news-filter a { padding: 8px 22px; border-radius: 30px; border: 1px solid var(--border); background: #fff; font-size: 14px; font-weight: 500; color: var(--text-weak); transition: all .25s; }
.news-filter a:hover, .news-filter a.active { background: var(--primary); color: #fff; border-color: var(--primary); box-shadow: 0 4px 14px rgba(10,99,58,.2); }

/* ===== 资讯卡片网格 ===== */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.news-card { background: #fff; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow); transition: transform .3s, box-shadow .3s; display: flex; flex-direction: column; }
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.news-card .cover { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.news-card .cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.news-card:hover .cover img { transform: scale(1.06); }
.news-card .badge { position: absolute; top: 14px; left: 14px; background: var(--accent); color: #fff; font-size: 12px; font-weight: 600; padding: 5px 14px; border-radius: 30px; box-shadow: 0 4px 12px rgba(232,161,58,.4); }
.news-card .content { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.news-card .meta { font-size: 13px; color: var(--text-weak); display: flex; gap: 14px; align-items: center; margin-bottom: 10px; }
.news-card .meta i { color: var(--primary); }
.news-card h3 { font-size: 18px; font-weight: 700; line-height: 1.45; margin-bottom: 10px; }
.news-card h3 a:hover { color: var(--primary); }
.news-card p { font-size: 14px; color: var(--text-weak); line-height: 1.7; flex: 1; }
.news-card .more-link { margin-top: 16px; font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 4px; }
.news-card .more-link i { transition: transform .25s; }
.news-card .more-link:hover i { transform: translateX(4px); }

/* ===== 热点专题 ===== */
.feature-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 28px; }
.feature-main { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); border-radius: var(--radius); padding: 42px; color: #fff; position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end; min-height: 300px; }
.feature-main::after { content: ''; position: absolute; top: -40px; right: -40px; width: 180px; height: 180px; border-radius: 50%; background: rgba(232,161,58,.2); }
.feature-main .tag { font-size: 13px; background: var(--accent); padding: 4px 14px; border-radius: 30px; width: fit-content; margin-bottom: 16px; }
.feature-main h3 { font-size: 26px; margin-bottom: 10px; line-height: 1.4; }
.feature-main p { font-size: 14px; opacity: .88; margin-bottom: 20px; }
.feature-main .btn { align-self: flex-start; }
.feature-side { display: flex; flex-direction: column; gap: 20px; }
.feature-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 22px 24px; display: flex; align-items: center; gap: 18px; transition: all .3s; }
.feature-item:hover { box-shadow: var(--shadow); transform: translateX(4px); }
.feature-item .icon { width: 52px; height: 52px; border-radius: 12px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 20px; }
.feature-item:nth-child(1) .icon { background: var(--primary-light); color: var(--primary); }
.feature-item:nth-child(2) .icon { background: var(--accent-light); color: var(--accent); }
.feature-item:nth-child(3) .icon { background: #eef2ff; color: #4f6be8; }
.feature-item h4 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.feature-item p { font-size: 13px; color: var(--text-weak); }

/* ===== 数据统计 ===== */
.stats-section { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: #fff; padding: 64px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat-item .num { font-size: 42px; font-weight: 800; color: var(--accent); line-height: 1.2; }
.stat-item .num small { font-size: 18px; font-weight: 600; }
.stat-item p { font-size: 14px; opacity: .85; margin-top: 8px; letter-spacing: 1px; }

/* ===== 行业动态列表 ===== */
.industry-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.industry-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 24px 28px; display: flex; gap: 20px; align-items: flex-start; transition: box-shadow .3s, transform .3s; }
.industry-item:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.industry-item .date { background: var(--primary-light); color: var(--primary); border-radius: 10px; text-align: center; padding: 10px 0; min-width: 62px; flex-shrink: 0; }
.industry-item .date .d { font-size: 24px; font-weight: 800; line-height: 1; }
.industry-item .date .m { font-size: 12px; margin-top: 4px; }
.industry-item h4 { font-size: 16px; font-weight: 700; margin-bottom: 6px; line-height: 1.4; }
.industry-item h4 a:hover { color: var(--primary); }
.industry-item p { font-size: 13px; color: var(--text-weak); line-height: 1.65; }

/* ===== FAQ ===== */
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 14px; margin-bottom: 14px; overflow: hidden; transition: box-shadow .3s; }
.faq-item:hover { box-shadow: var(--shadow); }
.faq-item summary { padding: 20px 24px; font-weight: 600; font-size: 16px; cursor: pointer; list-style: none; position: relative; padding-right: 50px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '＋'; position: absolute; right: 22px; top: 18px; font-size: 20px; color: var(--primary); font-weight: 700; }
.faq-item[open] summary::after { content: '－'; }
.faq-item summary:hover { color: var(--primary); }
.faq-item p { padding: 0 24px 20px; color: var(--text-weak); font-size: 15px; line-height: 1.75; }

/* ===== CTA ===== */
.cta-section { background: var(--primary-dark); position: relative; overflow: hidden; text-align: center; padding: 72px 0; }
.cta-section::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: url('/assets/images/backpic/back-3.png') center/cover; opacity: .15; }
.cta-section .container { position: relative; z-index: 2; }
.cta-section h2 { color: #fff; font-size: 34px; margin-bottom: 14px; font-weight: 800; }
.cta-section p { color: rgba(255,255,255,.85); max-width: 560px; margin: 0 auto 30px; font-size: 16px; }
.cta-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 32px; font-size: 15px; font-weight: 600; border-radius: 40px; border: none; cursor: pointer; transition: all .3s; }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 6px 18px rgba(232,161,58,.4); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(232,161,58,.5); }
.btn-ghost { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.5); }
.btn-ghost:hover { background: rgba(255,255,255,.1); border-color: #fff; transform: translateY(-3px); }

/* ===== 分页 ===== */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 56px; }
.pagination a { width: 44px; height: 44px; border-radius: 12px; background: #fff; border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-weight: 600; color: var(--text-weak); transition: all .25s; }
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination a.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination a.next { width: auto; padding: 0 20px; }

/* ===== Footer ===== */
.footer { background: #07331f; color: rgba(255,255,255,.8); padding: 64px 0 0; }
.footer .container {}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 42px; padding-bottom: 46px; }
.footer-brand p { font-size: 14px; line-height: 1.8; margin-top: 14px; color: rgba(255,255,255,.6); }
.footer h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer h4::after { content: ''; position: absolute; left: 0; bottom: 0; width: 28px; height: 3px; border-radius: 3px; background: var(--accent); }
.footer ul { display: flex; flex-direction: column; gap: 10px; }
.footer ul a { font-size: 14px; color: rgba(255,255,255,.65); transition: color .25s, padding-left .25s; }
.footer ul a:hover { color: var(--accent); padding-left: 4px; }
.footer .contact-list li { font-size: 14px; color: rgba(255,255,255,.7); margin-bottom: 6px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: rgba(255,255,255,.5); flex-wrap: wrap; gap: 8px; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  :root { --spacer: 70px; }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .industry-list { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .header .container { height: auto; padding: 12px 0; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .nav { display: none; width: 100%; flex-direction: column; align-items: flex-start; padding-top: 12px; border-top: 1px solid var(--border); gap: 4px; }
  .nav.open { display: flex; }
  .nav a { width: 100%; border-radius: 10px; }
  .topbar-right { display: none; }
  .page-hero { padding: 56px 0; }
  .page-hero h1 { font-size: 30px; }
  .section-head h2 { font-size: 28px; }
  .news-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-main { padding: 28px; }
  .cta-section h2 { font-size: 27px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .industry-item { flex-direction: column; }
  .industry-item .date { display: inline-flex; align-items: baseline; gap: 6px; padding: 6px 16px; min-width: auto; }
}
@media (max-width: 520px) {
  :root { --spacer: 54px; }
  .logo-text { font-size: 18px; }
  .logo-icon { width: 38px; height: 38px; font-size: 17px; }
  .page-hero h1 { font-size: 25px; }
  .page-hero p { font-size: 15px; }
  .section-head h2 { font-size: 24px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-item .num { font-size: 30px; }
  .btn { padding: 10px 22px; font-size: 14px; }
  .news-card .content { padding: 18px; }
  .pagination a { width: 38px; height: 38px; }
  .footer-bottom { font-size: 12px; }
}

/* roulang page: category3 */
:root {
  --primary: #0d6b42;
  --primary-dark: #084d2f;
  --primary-light: #e7f2ec;
  --accent: #f5a623;
  --accent-dark: #d98f1a;
  --bg: #f5f8f6;
  --white: #ffffff;
  --text: #17252e;
  --muted: #5b6b7a;
  --border: #e2e8e4;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 30px rgba(8, 42, 28, 0.08);
  --shadow-lg: 0 16px 48px rgba(8, 42, 28, 0.14);
  --container: 1200px;
  --transition: all 0.25s ease;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
}
a {
  text-decoration: none;
  color: inherit;
}
img {
  max-width: 100%;
  display: block;
}
ul {
  list-style: none;
}
button {
  font-family: inherit;
  cursor: pointer;
}
input {
  font-family: inherit;
}
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(245, 166, 35, 0.5);
  outline-offset: 2px;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 96px 0;
}
.section-alt {
  background: var(--white);
}
.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px;
}
.section-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: 20px;
  letter-spacing: 1px;
}
.section-title {
  font-size: 36px;
  font-weight: 700;
  margin: 14px 0 12px;
  line-height: 1.3;
}
.section-sub {
  color: var(--muted);
  font-size: 17px;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  transition: var(--transition);
  line-height: 1.4;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(13, 107, 66, 0.3);
}
.btn-outline {
  border: 1.5px solid rgba(255, 255, 255, 0.65);
  color: #fff;
  background: transparent;
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.16);
  transform: translateY(-2px);
}
.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(245, 166, 35, 0.35);
}
.btn-light {
  background: #fff;
  color: var(--primary);
}
.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* 头部导航 */
.header {
  background: #fff;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.logo-text {
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.5px;
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-text small {
  font-size: 10px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 1.5px;
}
.nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav a {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 15px;
  color: var(--text);
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}
.nav a:not(.nav-cta):hover {
  color: var(--primary);
  background: var(--primary-light);
}
.nav a:not(.nav-cta).active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
}
.nav .nav-cta {
  margin-left: 12px;
  padding: 10px 20px;
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  color: var(--text);
  padding: 8px;
}

/* 页面横幅 */
.page-hero {
  position: relative;
  padding: 100px 0;
  background: linear-gradient(135deg, rgba(6, 40, 26, 0.92), rgba(13, 107, 66, 0.82)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: #fff;
  text-align: center;
  overflow: hidden;
}
.page-hero .hero-tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 6px 20px;
  border-radius: 30px;
}
.page-hero h1 {
  font-size: 46px;
  font-weight: 800;
  margin: 20px 0 16px;
  line-height: 1.25;
}
.page-hero p {
  font-size: 17px;
  max-width: 680px;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.88);
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.hero-search {
  display: flex;
  max-width: 560px;
  margin: 32px auto 0;
  background: #fff;
  border-radius: 50px;
  padding: 6px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
}
.hero-search input {
  flex: 1;
  border: none;
  outline: none;
  padding: 10px 22px;
  font-size: 15px;
  background: transparent;
  color: var(--text);
  min-width: 0;
}
.hero-search button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 40px;
  padding: 10px 24px;
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  white-space: nowrap;
}
.hero-search button:hover {
  background: var(--accent-dark);
}
.hero-quick-links {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.hero-quick-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
  padding: 6px 16px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  transition: var(--transition);
}
.hero-quick-links a:hover {
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
  transform: translateY(-2px);
}

/* 数据统计 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin: 0 auto 16px;
}
.stat-number {
  font-size: 40px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}
.stat-label {
  color: var(--muted);
  margin-top: 8px;
  font-size: 15px;
}

/* 服务项目卡片 */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.service-card .card-img {
  height: 200px;
  overflow: hidden;
  position: relative;
}
.service-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.service-card:hover .card-img img {
  transform: scale(1.05);
}
.service-card .card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 40%, rgba(6, 40, 26, 0.4));
}
.service-card .card-body {
  padding: 28px;
}
.service-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
}
.service-card h3 {
  font-size: 20px;
  margin-bottom: 10px;
}
.service-card p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}
.service-list {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.service-list li {
  background: var(--bg);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 13px;
  color: var(--text);
  border: 1px solid var(--border);
}

/* 服务流程 */
.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}
.process-step {
  text-align: center;
  padding: 32px 16px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}
.process-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  margin: 0 auto 16px;
  box-shadow: 0 8px 20px rgba(13, 107, 66, 0.25);
}
.process-step h3 {
  font-size: 17px;
  margin-bottom: 8px;
}
.process-step p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

/* 指南卡片 */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.guide-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.guide-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.guide-card .guide-img {
  height: 180px;
  overflow: hidden;
}
.guide-card .guide-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.guide-card:hover .guide-img img {
  transform: scale(1.05);
}
.guide-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.guide-body .guide-tag {
  align-self: flex-start;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}
.guide-body h3 {
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 10px;
}
.guide-body p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  flex: 1;
}
.guide-body .guide-link {
  margin-top: 16px;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.guide-body .guide-link:hover {
  gap: 10px;
  color: var(--primary-dark);
}

/* FAQ */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open {
  box-shadow: var(--shadow);
  border-color: rgba(13, 107, 66, 0.3);
}
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}
.faq-question:hover {
  color: var(--primary);
}
.faq-question .faq-icon {
  color: var(--primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-item.open .faq-question .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 24px;
}
.faq-item.open .faq-answer {
  max-height: 300px;
  padding-bottom: 20px;
}
.faq-answer p {
  color: var(--muted);
  line-height: 1.8;
  font-size: 15px;
}

/* CTA 区块 */
.cta-section {
  background: linear-gradient(135deg, rgba(6, 40, 26, 0.94), rgba(13, 107, 66, 0.86)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  color: #fff;
  text-align: center;
  padding: 90px 0;
}
.cta-section h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-section p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.88);
  max-width: 640px;
  margin: 0 auto 32px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* 页脚 */
.footer {
  background: #0a1f16;
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 20px;
  font-weight: 600;
}
.footer ul li {
  margin-bottom: 12px;
}
.footer ul a {
  color: rgba(255, 255, 255, 0.65);
  transition: var(--transition);
  font-size: 14px;
}
.footer ul a:hover {
  color: var(--accent);
}
.footer-brand p {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.8;
  max-width: 320px;
  color: rgba(255, 255, 255, 0.6);
}
.contact-list li {
  font-size: 14px;
  display: flex;
  align-items: center;
  color: rgba(255, 255, 255, 0.7);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.45);
}

/* 响应式 */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .guide-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 768px) {
  .nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px;
    gap: 6px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
    display: none;
    border-top: 1px solid var(--border);
  }
  .nav.open {
    display: flex;
  }
  .nav a {
    padding: 12px 16px;
    border-radius: 10px;
  }
  .nav .nav-cta {
    margin-left: 0;
    margin-top: 8px;
    justify-content: center;
  }
  .nav-toggle {
    display: block;
  }
  .page-hero {
    padding: 72px 0;
  }
  .page-hero h1 {
    font-size: 32px;
  }
  .section {
    padding: 64px 0;
  }
  .section-title {
    font-size: 28px;
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-brand p {
    max-width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .cta-actions .btn {
    width: 100%;
  }
}
@media (max-width: 520px) {
  .services-grid,
  .guide-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .page-hero h1 {
    font-size: 26px;
  }
  .page-hero p {
    font-size: 15px;
  }
  .hero-search {
    flex-direction: column;
    border-radius: 20px;
    gap: 8px;
  }
  .hero-search input {
    padding: 12px 16px;
    text-align: center;
  }
  .hero-search button {
    justify-content: center;
    width: 100%;
  }
  .section-title {
    font-size: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}