/* roulang page: index */
:root{
  --primary:#16294d;
  --primary-dark:#0f1c36;
  --primary-light:#263b63;
  --accent:#c9a86a;
  --accent-dark:#b89456;
  --accent-light:#ecd9b2;
  --bg:#f5f7fb;
  --bg-white:#ffffff;
  --bg-dark:#0f1c36;
  --text:#18202e;
  --text-weak:#5e6877;
  --border:#e3e8f0;
  --radius:16px;
  --radius-sm:10px;
  --radius-lg:24px;
  --shadow-sm:0 2px 10px rgba(22,41,77,.06);
  --shadow:0 8px 30px rgba(22,41,77,.09);
  --shadow-lg:0 20px 60px rgba(22,41,77,.16);
  --container:1180px;
  --space-section:104px;
  --transition:all .3s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--accent-dark)}
button{font-family:inherit;border:none;background:none;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:1rem}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--space-section) 0}
.section-alt{background:var(--bg-white)}
.section-head{max-width:760px;margin:0 auto 52px;text-align:center}
.section-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 18px;background:rgba(201,168,106,.12);color:var(--accent-dark);border-radius:50px;font-size:13px;font-weight:600;letter-spacing:1px}
.section-head h2{font-size:36px;line-height:1.3;color:var(--text);margin-top:16px;font-weight:800;letter-spacing:-.5px}
.section-head p{color:var(--text-weak);font-size:17px;margin-top:12px}
.section-sub{text-align:center;color:var(--text-weak);font-size:16px;max-width:720px;margin:0 auto}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:50px;font-size:15px;font-weight:600;letter-spacing:.3px;transition:var(--transition);border:1px solid transparent;white-space:nowrap;line-height:1.2}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn:focus-visible{outline:3px solid rgba(201,168,106,.4);outline-offset:2px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-light);color:#fff;box-shadow:var(--shadow-lg)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-dark);color:#fff;box-shadow:var(--shadow-lg)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-sm{padding:9px 20px;font-size:14px}
.btn-lg{padding:15px 36px;font-size:16px}

/* 标签 */
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 14px;border-radius:50px;font-size:12px;font-weight:600;background:var(--bg);color:var(--text-weak);border:1px solid var(--border)}
.tag-accent{background:rgba(201,168,106,.15);color:var(--accent-dark);border-color:rgba(201,168,106,.3)}
.tag-primary{background:rgba(22,41,77,.08);color:var(--primary);border-color:rgba(22,41,77,.12)}

/* Header 导航 */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;padding:0 24px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;font-weight:800;font-size:15px;letter-spacing:.5px;
  box-shadow:0 4px 12px rgba(22,41,77,.2);
}
.logo-text{font-size:18px;font-weight:700;color:var(--text);letter-spacing:.5px}
.logo:hover .logo-mark{transform:translateY(-2px);box-shadow:0 6px 18px rgba(22,41,77,.28)}
.logo:hover .logo-text{color:var(--primary)}
.site-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  display:inline-flex;align-items:center;padding:8px 18px;border-radius:50px;
  font-size:15px;font-weight:500;color:var(--text-weak);
  text-decoration:none;transition:var(--transition);position:relative;
}
.nav-link:hover{color:var(--primary);background:rgba(22,41,77,.05)}
.nav-link.active{color:var(--primary);font-weight:600;background:rgba(22,41,77,.07)}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:3px;border-radius:2px;background:var(--accent);
}
.header-actions{display:flex;align-items:center;gap:14px}
.header-cta{display:inline-flex}
.nav-toggle{
  display:none;flex-direction:column;gap:5px;padding:10px;border-radius:8px;
  width:42px;height:42px;align-items:center;justify-content:center;
}
.nav-toggle span{width:20px;height:2px;background:var(--text);border-radius:2px;transition:var(--transition)}
.nav-toggle:hover{background:var(--bg)}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.hero{
  position:relative;display:flex;align-items:center;min-height:720px;
  background:linear-gradient(135deg,rgba(15,28,54,.95),rgba(22,41,77,.84)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;overflow:hidden;
}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(201,168,106,.28),transparent 70%)}
.hero::before{content:"";position:absolute;left:-80px;bottom:-160px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(201,168,106,.18),transparent 70%)}
.hero-inner{position:relative;z-index:2;max-width:800px;padding:120px 24px}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;padding:8px 20px;border-radius:50px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  font-size:14px;font-weight:500;letter-spacing:.5px;color:rgba(255,255,255,.9);
  backdrop-filter:blur(6px);
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(201,168,106,.25)}
.hero h1{font-size:58px;line-height:1.15;font-weight:800;margin:22px 0 12px;letter-spacing:-1px}
.hero-sub{font-size:22px;font-weight:500;color:var(--accent-light);margin-bottom:14px}
.hero-desc{font-size:17px;color:rgba(255,255,255,.78);line-height:1.8;max-width:640px;margin-bottom:34px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:52px}
.hero-metrics{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:520px;
  padding-top:32px;border-top:1px solid rgba(255,255,255,.16);
}
.metric strong{display:block;font-size:26px;font-weight:800;color:#fff;line-height:1.3}
.metric span{font-size:14px;color:rgba(255,255,255,.66)}

/* 核心说明 */
.intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.intro-copy h2{font-size:34px;line-height:1.3;font-weight:800;margin-bottom:18px;letter-spacing:-.5px}
.intro-copy p{color:var(--text-weak);font-size:16px;line-height:1.8;margin-bottom:16px}
.intro-list{list-style:none;margin-top:26px;display:grid;gap:14px}
.intro-list li{display:flex;gap:12px;align-items:flex-start;padding:16px 20px;background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius);transition:var(--transition)}
.intro-list li:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.intro-list .step-ico{
  flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:50%;background:rgba(201,168,106,.15);color:var(--accent-dark);font-weight:700;font-size:15px;
}
.intro-list strong{display:block;font-size:15px;color:var(--text)}
.intro-list span{font-size:14px;color:var(--text-weak);line-height:1.6}
.intro-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.intro-visual img{width:100%;height:100%;object-fit:cover;min-height:420px}
.intro-visual .visual-tag{
  position:absolute;left:20px;bottom:20px;display:inline-flex;align-items:center;
  padding:8px 18px;border-radius:50px;background:rgba(255,255,255,.92);
  color:var(--primary);font-size:13px;font-weight:600;box-shadow:var(--shadow);
}

/* 数据统计 */
.stats-section{background:var(--bg-dark);color:#fff;position:relative;overflow:hidden}
.stats-section::before{content:"";position:absolute;right:0;top:0;width:100%;height:100%;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:.12}
.stats-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.stat-card{
  text-align:center;padding:42px 24px;border-radius:var(--radius-lg);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  transition:var(--transition);
}
.stat-card:hover{background:rgba(255,255,255,.09);transform:translateY(-4px)}
.stat-card strong{display:block;font-size:40px;font-weight:800;color:var(--accent);line-height:1.2;margin-bottom:8px}
.stat-card span{font-size:14px;color:rgba(255,255,255,.7);letter-spacing:.5px}
.stat-card .stat-ico{font-size:26px;margin-bottom:10px;display:block}

/* 分类入口 / 服务卡片 */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.service-card{
  position:relative;background:var(--bg-white);border:1px solid var(--border);
  border-radius:var(--radius-lg);overflow:hidden;transition:var(--transition);
}
.service-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px)}
.service-card .card-media{position:relative;height:220px;overflow:hidden}
.service-card .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.service-card:hover .card-media img{transform:scale(1.05)}
.service-card .card-body{padding:26px 26px 30px}
.service-card .card-body h3{font-size:20px;font-weight:700;margin:14px 0 10px;color:var(--text)}
.service-card .card-body p{font-size:15px;color:var(--text-weak);line-height:1.7;margin-bottom:18px}
.service-card .card-link{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--primary);
}
.service-card .card-link i{transition:transform .3s ease}
.service-card .card-link:hover i{transform:translateX(4px)}
.card-media .media-badge{
  position:absolute;left:14px;top:14px;display:inline-flex;padding:5px 16px;
  border-radius:50px;background:rgba(255,255,255,.92);color:var(--primary);
  font-size:12px;font-weight:700;letter-spacing:.5px;box-shadow:var(--shadow-sm);
}

/* 最新信息 */
.latest-section{background:var(--bg-white)}
.latest-grid{display:grid;grid-template-columns:380px 1fr;gap:56px;align-items:start}
.latest-intro .section-tag{margin-bottom:16px}
.latest-intro h2{font-size:34px;font-weight:800;line-height:1.3;margin-bottom:16px}
.latest-intro p{color:var(--text-weak);font-size:16px;line-height:1.8;margin-bottom:24px}
.latest-list{display:flex;flex-direction:column;border-top:1px solid var(--border)}
.news-card{
  position:relative;padding:22px 28px 22px 0;border-bottom:1px solid var(--border);
  transition:var(--transition);display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;
}
.news-card:hover{padding-left:14px;background:linear-gradient(90deg,rgba(22,41,77,.04),transparent)}
.news-badge{
  display:inline-flex;align-items:center;padding:4px 14px;border-radius:50px;
  font-size:12px;font-weight:600;background:rgba(201,168,106,.15);color:var(--accent-dark);
  white-space:nowrap;margin-top:4px;
}
.news-card h3{margin:0 0 8px}
.news-card h3 a{font-size:17px;font-weight:600;color:var(--text);line-height:1.4;transition:var(--transition)}
.news-card h3 a:hover{color:var(--primary)}
.news-card p{font-size:14px;color:var(--text-weak);line-height:1.7;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card time{font-size:13px;color:var(--text-weak)}
.empty-tip{
  padding:60px 24px;text-align:center;color:var(--text-weak);border:2px dashed var(--border);
  border-radius:var(--radius-lg);font-size:16px;
}

/* 使用流程 */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;counter-reset:process}
.process-card{
  position:relative;text-align:center;padding:42px 24px;background:var(--bg-white);
  border:1px solid var(--border);border-radius:var(--radius-lg);transition:var(--transition);
}
.process-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:rgba(201,168,106,.4)}
.process-card::before{
  counter-increment:process;content:"0" counter(process);
  display:inline-flex;align-items:center;justify-content:center;
  width:48px;height:48px;border-radius:50%;background:var(--primary);color:#fff;
  font-size:18px;font-weight:800;margin-bottom:18px;
}
.process-card h3{font-size:18px;font-weight:700;margin-bottom:10px;color:var(--text)}
.process-card p{font-size:14px;color:var(--text-weak);line-height:1.7}
.process-card .process-line{
  position:absolute;top:66px;left:calc(50% + 34px);width:calc(100% - 68px);height:1px;
  background:repeating-linear-gradient(90deg,var(--border) 0 6px,transparent 6px 12px);
}
.process-card:last-child .process-line{display:none}

/* 功能亮点 */
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.feature-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.feature-visual img{width:100%;height:100%;object-fit:cover;min-height:380px}
.feature-list{display:grid;gap:22px}
.feature-item{
  display:flex;gap:16px;padding:22px 24px;background:var(--bg-white);
  border:1px solid var(--border);border-radius:var(--radius);transition:var(--transition);
}
.feature-item:hover{box-shadow:var(--shadow);transform:translateX(6px);border-color:rgba(201,168,106,.35)}
.feature-item .feature-ico{
  flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:12px;background:rgba(22,41,77,.07);font-size:20px;
}
.feature-item strong{display:block;font-size:16px;color:var(--text);margin-bottom:6px}
.feature-item p{font-size:14px;color:var(--text-weak);line-height:1.7}
.feature-reverse .feature-visual{order:2}

/* FAQ */
.faq-wrap{max-width:840px;margin:0 auto;display:grid;gap:14px}
.faq-item{
  background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;transition:var(--transition);
}
.faq-item:hover{border-color:rgba(201,168,106,.4)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  padding:22px 28px;font-size:16px;font-weight:600;color:var(--text);gap:20px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex-shrink:0;font-size:22px;color:var(--accent);font-weight:400;
  transition:var(--transition);display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:50%;background:rgba(201,168,106,.12);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open]{box-shadow:var(--shadow-sm)}
.faq-item .faq-answer{padding:0 28px 24px;color:var(--text-weak);font-size:15px;line-height:1.8}

/* CTA */
.cta-section{
  position:relative;text-align:center;color:#fff;padding:110px 0;
  background:linear-gradient(135deg,rgba(15,28,54,.94),rgba(22,41,77,.9)),url('/assets/images/backpic/back-3.png') center/cover no-repeat;
}
.cta-section::before{content:"";position:absolute;left:50%;top:0;transform:translateX(-50%);width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(201,168,106,.2),transparent 70%)}
.cta-section .container{position:relative;z-index:2}
.cta-section h2{font-size:40px;font-weight:800;margin:18px 0 14px;letter-spacing:-.5px}
.cta-section p{font-size:17px;color:rgba(255,255,255,.82);max-width:600px;margin:0 auto 38px;line-height:1.8}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* Footer */
.site-footer{background:var(--bg-dark);color:rgba(255,255,255,.72)}
.footer-main{padding:60px 0 40px;display:grid;grid-template-columns:1.4fr .6fr .8fr;gap:48px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:16px;max-width:320px}
.footer-col h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:18px;letter-spacing:.5px}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.66);text-decoration:none;transition:var(--transition)}
.footer-col ul a:hover{color:var(--accent);padding-left:6px}
.footer-bottom{padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:var(--accent)}

/* 响应式 */
@media (max-width:1024px){
  :root{--space-section:84px}
  .hero h1{font-size:46px}
  .intro-grid{grid-template-columns:1fr;gap:40px}
  .intro-visual img{min-height:320px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .cards-grid{grid-template-columns:repeat(2,1fr)}
  .latest-grid{grid-template-columns:1fr;gap:36px}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:1fr;gap:40px}
  .feature-reverse .feature-visual{order:0}
  .footer-main{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .site-header{position:relative}
  .site-nav{
    position:absolute;top:100%;left:0;right:0;background:#fff;
    border-bottom:1px solid var(--border);box-shadow:var(--shadow);
    flex-direction:column;align-items:stretch;padding:12px 20px;display:none;gap:4px;
  }
  .site-nav.open{display:flex}
  .nav-toggle{display:inline-flex}
  .header-cta{display:none}
  .hero{min-height:620px}
  .hero h1{font-size:38px}
  .hero-sub{font-size:18px}
  .hero-desc{font-size:15px}
  .hero-metrics{grid-template-columns:1fr 1fr 1fr;gap:12px}
  .hero-inner{padding:80px 20px}
  .section-head h2{font-size:28px}
  .cards-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
  .cta-section h2{font-size:32px}
  .cta-section p{font-size:15px}
  .footer-main{grid-template-columns:1fr;gap:36px}
}
@media (max-width:520px){
  .hero h1{font-size:32px}
  .hero-sub{font-size:16px}
  .hero-desc{font-size:14px}
  .hero-metrics{grid-template-columns:repeat(3,1fr)}
  .metric strong{font-size:20px}
  .stats-grid{grid-template-columns:1fr}
  .section{padding:64px 0}
  .logo-text{font-size:16px}
  .logo-mark{width:34px;height:34px;font-size:13px}
  .news-card{grid-template-columns:1fr;gap:8px}
}

/* roulang page: article */
:root {
    --color-primary: #0B1B33;
    --color-primary-light: #1B3A5C;
    --color-primary-lighter: #25476E;
    --color-accent: #D99536;
    --color-accent-dark: #C07F2A;
    --color-accent-light: #F2C770;
    --color-bg: #F4F6FA;
    --color-surface: #FFFFFF;
    --color-text: #1B2A3E;
    --color-text-soft: #5C6F83;
    --color-text-muted: #8A9AAB;
    --color-border: #E2E8F0;
    --color-border-light: #EDF1F6;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --shadow-sm: 0 2px 10px rgba(11, 27, 51, 0.05);
    --shadow-md: 0 8px 30px rgba(11, 27, 51, 0.08);
    --shadow-lg: 0 20px 50px rgba(11, 27, 51, 0.12);
    --transition: 0.25s ease;
    --font-family: "PingFang SC", "Microsoft YaHei", -apple-system, "Segoe UI", Roboto, sans-serif;
    --container: 1200px;
    --header-h: 72px;
}
*, *::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); background: var(--color-bg); color: var(--color-text); line-height: 1.7; font-size: 16px; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; border: none; cursor: pointer; background: none; }
input, textarea { font-family: inherit; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 28px; border-radius: 50px; font-size: 15px; font-weight: 600;
    line-height: 1.4; transition: all var(--transition); text-align: center;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-primary:active { transform: translateY(0); box-shadow: var(--shadow-sm); }
.btn-accent { background: var(--color-accent); color: #fff; }
.btn-accent:hover { background: var(--color-accent-dark); transform: translateY(-2px); box-shadow: 0 10px 30px rgba(217, 149, 54, 0.3); }
.btn-outline { border: 1.5px solid var(--color-border); color: var(--color-text); background: transparent; }
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); background: rgba(11, 27, 51, 0.03); }
.btn-sm { padding: 8px 18px; font-size: 14px; }
.btn-block { width: 100%; }
.btn:focus-visible, .nav-link:focus-visible, .logo:focus-visible, a:focus-visible { outline: 3px solid rgba(217, 149, 54, 0.5); outline-offset: 2px; }
.badge {
    display: inline-block; padding: 4px 14px; border-radius: 50px; font-size: 12px;
    font-weight: 600; line-height: 1.5; background: rgba(11, 27, 51, 0.06); color: var(--color-primary);
}
.badge-accent { background: rgba(217, 149, 54, 0.12); color: var(--color-accent-dark); }

/* Header */
.site-header {
    position: sticky; top: 0; z-index: 100; height: var(--header-h);
    background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--color-border-light);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.logo { display: inline-flex; align-items: center; gap: 10px; }
.logo-mark {
    display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px;
    background: var(--color-primary); color: #fff; border-radius: 10px; font-weight: 800; font-size: 15px; letter-spacing: 0.5px;
}
.logo-text { font-size: 17px; font-weight: 700; color: var(--color-primary); letter-spacing: 1px; }
.site-nav { display: flex; align-items: center; gap: 32px; }
.nav-link {
    position: relative; font-size: 15px; font-weight: 500; color: var(--color-text-soft);
    padding: 8px 2px; transition: color var(--transition);
}
.nav-link::after {
    content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px;
    background: var(--color-accent); border-radius: 2px; transition: right var(--transition);
}
.nav-link:hover { color: var(--color-primary); }
.nav-link:hover::after, .nav-link.active::after { right: 0; }
.nav-link.active { color: var(--color-primary); font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 16px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 6px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--color-primary); border-radius: 2px; transition: transform 0.3s, opacity 0.3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Article Hero */
.article-hero {
    position: relative; padding: 72px 0 60px; background-size: cover; background-position: center;
    background-image: linear-gradient(rgba(11, 27, 51, 0.82), rgba(11, 27, 51, 0.9)), url('/assets/images/backpic/back-1.png');
    color: #fff; overflow: hidden;
}
.article-hero::after {
    content: ""; position: absolute; right: -120px; top: -120px; width: 300px; height: 300px;
    border: 1px solid rgba(255, 255, 255, 0.08); border-radius: 50%;
}
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13px; color: rgba(255, 255, 255, 0.7); margin-bottom: 22px; }
.breadcrumb a { color: rgba(255, 255, 255, 0.7); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--color-accent-light); }
.breadcrumb .sep { color: rgba(255, 255, 255, 0.4); }
.breadcrumb .current { color: rgba(255, 255, 255, 0.95); }
.article-hero h1 { font-size: clamp(26px, 3.5vw, 42px); line-height: 1.35; font-weight: 700; max-width: 860px; }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; margin-top: 22px; font-size: 14px; color: rgba(255, 255, 255, 0.8); }
.article-meta .meta-cat {
    display: inline-flex; align-items: center; padding: 4px 14px; background: rgba(217, 149, 54, 0.2);
    border: 1px solid rgba(217, 149, 54, 0.4); border-radius: 50px; font-weight: 600; color: var(--color-accent-light);
}
.article-meta .meta-date { display: inline-flex; align-items: center; gap: 6px; }

/* Article Main */
.article-main { padding: 56px 0 72px; }
.article-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 48px; align-items: start; }
.article-content {
    background: var(--color-surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
    padding: 40px 48px; border: 1px solid var(--color-border-light);
}
.article-head-meta {
    display: flex; flex-wrap: wrap; gap: 18px; padding: 14px 20px; background: var(--color-bg);
    border-radius: var(--radius-md); font-size: 13px; color: var(--color-text-soft); margin-bottom: 32px;
    border-left: 4px solid var(--color-accent);
}
.article-head-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-content h2 {
    font-size: 24px; font-weight: 700; color: var(--color-primary); margin: 36px 0 16px;
    padding-bottom: 10px; border-bottom: 1px solid var(--color-border-light); line-height: 1.5;
}
.article-content h3 { font-size: 19px; font-weight: 600; color: var(--color-primary-light); margin: 28px 0 12px; }
.article-content h4 { font-size: 16px; font-weight: 600; color: var(--color-text); margin: 20px 0 10px; }
.article-content p { margin-bottom: 16px; color: var(--color-text-soft); line-height: 1.85; }
.article-content ul { margin: 0 0 18px; padding-left: 0; }
.article-content ul li { position: relative; padding-left: 24px; margin-bottom: 8px; color: var(--color-text-soft); line-height: 1.7; }
.article-content ul li::before { content: ""; position: absolute; left: 4px; top: 12px; width: 6px; height: 6px; border-radius: 50%; background: var(--color-accent); }
.article-content ol { margin: 0 0 18px; padding-left: 20px; }
.article-content ol li { margin-bottom: 8px; color: var(--color-text-soft); line-height: 1.7; }
.article-content blockquote {
    margin: 24px 0; padding: 18px 24px; border-left: 4px solid var(--color-accent);
    background: var(--color-bg); border-radius: 0 var(--radius-md) var(--radius-md) 0; color: var(--color-text-soft);
}
.article-content img { border-radius: var(--radius-md); margin: 20px 0; }
.article-content a { color: var(--color-accent-dark); border-bottom: 1px solid transparent; transition: border-color var(--transition); }
.article-content a:hover { border-bottom-color: var(--color-accent-dark); }
.article-content table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px; }
.article-content th, .article-content td { padding: 12px 16px; border: 1px solid var(--color-border); text-align: left; }
.article-content th { background: var(--color-bg); font-weight: 600; color: var(--color-primary); }
.article-content code { background: var(--color-bg); padding: 2px 8px; border-radius: 4px; font-size: 14px; color: var(--color-accent-dark); }

/* Not Found */
.not-found-box { text-align: center; padding: 48px 24px; }
.not-found-icon {
    display: inline-flex; align-items: center; justify-content: center; width: 64px; height: 64px;
    border-radius: 50%; background: rgba(217, 149, 54, 0.12); color: var(--color-accent-dark);
    font-size: 28px; font-weight: 800; margin-bottom: 18px;
}
.not-found-box h2 { font-size: 26px; font-weight: 700; color: var(--color-primary); margin-bottom: 10px; border: none; padding: 0; }
.not-found-box p { color: var(--color-text-soft); margin-bottom: 24px; }
.not-found-box .btn { margin-top: 8px; }

/* Sidebar */
.article-sidebar { display: flex; flex-direction: column; gap: 24px; position: sticky; top: calc(var(--header-h) + 24px); }
.side-card { background: var(--color-surface); border: 1px solid var(--color-border-light); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-sm); }
.side-card h3 { font-size: 16px; font-weight: 700; color: var(--color-primary); margin-bottom: 14px; position: relative; padding-bottom: 10px; }
.side-card h3::after { content: ""; position: absolute; left: 0; bottom: 0; width: 32px; height: 3px; border-radius: 2px; background: var(--color-accent); }
.side-card p { font-size: 14px; color: var(--color-text-soft); line-height: 1.7; margin-bottom: 12px; }
.side-guide .btn { margin-top: 6px; }
.side-tips ul li { position: relative; padding-left: 18px; font-size: 14px; color: var(--color-text-soft); line-height: 1.7; margin-bottom: 8px; }
.side-tips ul li::before { content: "✓"; position: absolute; left: 0; color: var(--color-accent); font-weight: 700; }
.side-promo { background: linear-gradient(150deg, var(--color-primary) 0%, var(--color-primary-light) 100%); border: none; color: #fff; text-align: center; }
.side-promo h3 { color: #fff; }
.side-promo h3::after { background: var(--color-accent); }
.side-promo p { color: rgba(255, 255, 255, 0.8); }
.side-promo .stats { display: flex; justify-content: center; gap: 24px; margin: 16px 0; }
.side-promo .stats .num { font-size: 24px; font-weight: 800; color: var(--color-accent-light); }
.side-promo .stats .label { font-size: 12px; color: rgba(255, 255, 255, 0.7); }

/* Related */
.related-section { padding: 64px 0; background: var(--color-surface); border-top: 1px solid var(--color-border-light); }
.section-head { text-align: center; margin-bottom: 40px; }
.section-tag { display: inline-block; background: rgba(217, 149, 54, 0.12); color: var(--color-accent-dark); padding: 4px 16px; border-radius: 50px; font-size: 13px; font-weight: 600; margin-bottom: 12px; }
.section-head h2 { font-size: clamp(22px, 3vw, 32px); font-weight: 700; color: var(--color-primary); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card {
    background: var(--color-surface); border: 1px solid var(--color-border-light); border-radius: var(--radius-lg);
    overflow: hidden; transition: all var(--transition); display: flex; flex-direction: column;
}
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--color-border); }
.related-img { aspect-ratio: 16 / 9; overflow: hidden; }
.related-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.related-card:hover .related-img img { transform: scale(1.06); }
.related-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.related-body .badge { align-self: flex-start; margin-bottom: 10px; }
.related-body h3 { font-size: 17px; font-weight: 700; color: var(--color-primary); margin-bottom: 8px; line-height: 1.5; }
.related-body p { font-size: 14px; color: var(--color-text-soft); line-height: 1.65; flex: 1; }
.related-body .related-link { margin-top: 12px; font-size: 14px; font-weight: 600; color: var(--color-accent-dark); display: inline-flex; align-items: center; gap: 4px; transition: gap var(--transition); }
.related-body .related-link:hover { gap: 8px; }

/* CTA Section */
.cta-section {
    position: relative; padding: 72px 0; background-image: linear-gradient(rgba(11, 27, 51, 0.88), rgba(11, 27, 51, 0.94)), url('/assets/images/backpic/back-2.png');
    background-size: cover; background-position: center; text-align: center; color: #fff;
}
.cta-section h2 { font-size: clamp(24px, 3vw, 36px); font-weight: 700; margin-bottom: 14px; }
.cta-section p { font-size: 16px; color: rgba(255, 255, 255, 0.8); max-width: 640px; margin: 0 auto 30px; line-height: 1.7; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px; }
.cta-actions .btn-outline { border-color: rgba(255, 255, 255, 0.4); color: #fff; }
.cta-actions .btn-outline:hover { border-color: #fff; background: rgba(255, 255, 255, 0.1); color: #fff; }

/* Footer */
.site-footer { background: var(--color-primary); color: rgba(255, 255, 255, 0.75); padding: 56px 0 24px; }
.footer-main {
    display: grid; grid-template-columns: 1.4fr 0.8fr 1fr; gap: 40px; padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08); margin-bottom: 24px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo-text { color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.75; max-width: 360px; color: rgba(255, 255, 255, 0.65); }
.footer-col h4 { font-size: 15px; font-weight: 700; 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 var(--transition), padding-left var(--transition); }
.footer-col ul li a:hover { color: var(--color-accent-light); padding-left: 4px; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: 13px; color: rgba(255, 255, 255, 0.4); }

/* Responsive */
@media (max-width: 1024px) {
    .article-grid { grid-template-columns: 1fr; gap: 32px; }
    .article-sidebar { position: static; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    :root { --header-h: 64px; }
    .nav-toggle { display: flex; }
    .site-nav {
        position: absolute; top: var(--header-h); left: 0; right: 0; background: #fff;
        flex-direction: column; align-items: stretch; gap: 0; padding: 0 24px;
        border-bottom: 1px solid var(--color-border-light); box-shadow: var(--shadow-md);
        max-height: 0; overflow: hidden; transition: max-height 0.4s ease; 
    }
    .site-nav.open { max-height: 300px; padding: 12px 24px 20px; }
    .nav-link { padding: 14px 0; border-bottom: 1px solid var(--color-border-light); font-size: 16px; }
    .nav-link::after { display: none; }
    .nav-link.active { color: var(--color-accent-dark); }
    .header-cta { display: none; }
    .article-hero { padding: 52px 0 44px; }
    .article-content { padding: 28px 24px; }
    .article-sidebar { grid-template-columns: 1fr; }
    .related-grid { grid-template-columns: 1fr; }
    .footer-main { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
    .cta-section { padding: 52px 0; }
}
@media (max-width: 520px) {
    .container { padding: 0 18px; }
    .article-content h2 { font-size: 21px; }
    .article-content { padding: 22px 18px; }
    .article-head-meta { flex-direction: column; gap: 8px; }
    .footer-main { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .cta-actions .btn { width: 100%; }
}

/* roulang page: category1 */
:root {
  --primary: #1e3a8a;
  --primary-light: #2563eb;
  --primary-soft: #eff6ff;
  --accent: #06b6d4;
  --accent-soft: #ecfeff;
  --dark: #0f172a;
  --bg: #f8fafc;
  --bg-alt: #f1f5f9;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --white: #ffffff;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, .08);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, .10);
  --radius: 20px;
  --radius-sm: 12px;
  --radius-full: 999px;
  --container: 1180px;
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, system-ui, sans-serif;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
ul,
ol {
  list-style: none;
}
button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.4;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn i {
  font-size: 14px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  box-shadow: 0 8px 24px rgba(37, 99, 235, .28);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(37, 99, 235, .36);
}
.btn-ghost {
  background: rgba(255, 255, 255, .12);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, .3);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, .2);
  transform: translateY(-2px);
}
.btn-sm {
  padding: 8px 18px;
  font-size: 14px;
}
.btn-lg {
  padding: 15px 36px;
  font-size: 16px;
}
.btn-light {
  background: var(--white);
  color: var(--primary);
  box-shadow: 0 10px 30px rgba(2, 6, 23, .22);
}
.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(2, 6, 23, .28);
}
.btn-outline-light {
  border: 1px solid rgba(255, 255, 255, .5);
  color: var(--white);
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, .14);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--white);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: .5px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(30, 58, 138, .24);
}
.logo-text {
  font-size: 21px;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: 1px;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  padding: 9px 20px;
  border-radius: var(--radius-full);
  color: var(--muted);
  font-weight: 600;
  font-size: 15px;
  transition: background .2s ease, color .2s ease;
}
.nav-link:hover {
  color: var(--primary);
  background: var(--primary-soft);
}
.nav-link.active {
  color: var(--primary);
  background: var(--primary-soft);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.header-cta {
  box-shadow: none;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--bg-alt);
  align-items: center;
  padding: 10px;
}
.nav-toggle span {
  width: 20px;
  height: 2px;
  border-radius: 4px;
  background: var(--dark);
  display: block;
  transition: transform .25s ease, opacity .25s ease;
}

/* Hero */
.page-hero {
  position: relative;
  padding: 120px 0 100px;
  background:
    linear-gradient(120deg, rgba(15, 23, 42, .95) 0%, rgba(30, 58, 138, .86) 55%, rgba(6, 182, 212, .62) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: var(--white);
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -120px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .07);
  pointer-events: none;
}
.page-hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .22);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .5px;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}
.page-hero h1 {
  font-size: 48px;
  line-height: 1.22;
  letter-spacing: 1px;
  font-weight: 800;
  margin-bottom: 20px;
}
.page-hero h1 .accent {
  background: linear-gradient(90deg, #7dd3fc, #a5f3fc);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}
.page-hero p {
  font-size: 17px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .85);
  max-width: 640px;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 38px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}
.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, .78);
}
.hero-meta i {
  color: #7dd3fc;
}

/* Section */
.section {
  padding: 96px 0;
}
.section-alt {
  background: var(--bg-alt);
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 52px;
}
.eyebrow {
  display: inline-block;
  color: var(--primary-light);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: 34px;
  line-height: 1.3;
  color: var(--dark);
  font-weight: 800;
  letter-spacing: .5px;
  margin-bottom: 14px;
}
.section-head p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

/* Cards */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  position: relative;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(37, 99, 235, .18);
}
.icon-wrap {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 22px;
  transition: transform .25s ease, background .25s ease;
}
.card:hover .icon-wrap {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  transform: scale(1.05);
}
.card h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
}
.card p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 20px;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-soft);
  color: #0e7490;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-full);
}
.tag i {
  font-size: 12px;
}

/* Steps */
.steps-layout {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 60px;
  align-items: center;
}
.steps-visual {
  position: relative;
}
.steps-visual img {
  border-radius: 28px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  height: 460px;
  object-fit: cover;
}
.visual-card {
  position: absolute;
  left: 24px;
  bottom: 24px;
  right: 24px;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  border-radius: 20px;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-shadow: var(--shadow-md);
}
.mini-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  display: block;
  margin-bottom: 4px;
}
.visual-card strong {
  font-size: 16px;
  color: var(--dark);
  display: block;
}
.steps-list {
  display: flex;
  flex-direction: column;
  gap: 30px;
  counter-reset: step;
}
.step-item {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.step-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}
.step-num {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  font-weight: 800;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 99, 235, .22);
}
.step-body h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 8px;
}
.step-body p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

/* Safety */
.safety-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 60px;
  align-items: center;
}
.safety-content .eyebrow {
  color: #0e7490;
}
.safety-content h2 {
  font-size: 32px;
  line-height: 1.3;
  color: var(--dark);
  font-weight: 800;
  margin-bottom: 16px;
}
.safety-content > p {
  color: var(--muted);
  font-size: 16px;
  margin-bottom: 30px;
}
.check-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: box-shadow .2s ease, transform .2s ease;
}
.check-list li:hover {
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}
.check-list i {
  color: var(--accent);
  font-size: 18px;
  margin-top: 3px;
  flex-shrink: 0;
}
.safety-image img {
  width: 100%;
  border-radius: 28px;
  box-shadow: var(--shadow-lg);
  height: 520px;
  object-fit: cover;
}

/* FAQ */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 18px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow .2s ease;
}
.faq-item.open {
  box-shadow: var(--shadow-sm);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px;
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  text-align: left;
  background: transparent;
  transition: color .2s ease;
}
.faq-question:hover {
  color: var(--primary-light);
}
.faq-question i {
  flex-shrink: 0;
  color: var(--muted);
  transition: transform .3s ease, color .3s ease;
  font-size: 16px;
}
.faq-item.open .faq-question i {
  transform: rotate(180deg);
  color: var(--primary-light);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq-answer p {
  padding: 0 26px 26px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  border-top: 1px solid var(--border);
  margin-left: 26px;
  margin-right: 26px;
  padding-top: 18px;
}

/* CTA */
.cta-section {
  padding: 100px 0;
}
.cta-box {
  position: relative;
  background: linear-gradient(135deg, #0f172a, var(--primary) 55%, #0f766e);
  border-radius: 32px;
  padding: 72px 48px;
  text-align: center;
  color: var(--white);
  overflow: hidden;
  box-shadow: 0 30px 70px rgba(15, 23, 42, .3);
}
.cta-box::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .06);
}
.cta-box::after {
  content: "";
  position: absolute;
  bottom: -100px;
  left: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(6, 182, 212, .16);
}
.cta-tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .2);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}
.cta-box h2 {
  font-size: 34px;
  font-weight: 800;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}
.cta-box p {
  color: rgba(255, 255, 255, .78);
  font-size: 16px;
  max-width: 520px;
  margin: 0 auto 30px;
  position: relative;
  z-index: 1;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  position: relative;
  z-index: 1;
}

/* Footer */
.site-footer {
  background: var(--dark);
  color: #94a3b8;
  padding: 70px 0 28px;
}
.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 36px;
}
.footer-brand .logo {
  margin-bottom: 16px;
}
.footer-brand .logo-text {
  color: var(--white);
}
.footer-brand p {
  max-width: 380px;
  font-size: 14px;
  line-height: 1.9;
  color: #94a3b8;
}
.footer-col h4 {
  color: var(--white);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: .5px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col a {
  color: #94a3b8;
  font-size: 14px;
  transition: color .2s ease;
}
.footer-col a:hover {
  color: var(--accent);
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding-top: 24px;
  font-size: 13px;
  color: #64748b;
}

/* Focus states */
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(37, 99, 235, .4);
  outline-offset: 2px;
  border-radius: 8px;
}

/* Responsive */
@media (max-width: 1024px) {
  .page-hero {
    padding: 100px 0 80px;
  }
  .page-hero h1 {
    font-size: 40px;
  }
  .steps-layout {
    gap: 40px;
  }
  .steps-visual img {
    height: 400px;
  }
  .safety-image img {
    height: 440px;
  }
  .grid-3 {
    gap: 18px;
  }
  .card {
    padding: 28px;
  }
}
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  .header-cta {
    display: none;
  }
  .site-nav {
    display: none;
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(15, 23, 42, .08);
  }
  .site-nav.open {
    display: flex;
  }
  .nav-link {
    padding: 12px 18px;
    border-radius: 12px;
  }
  .page-hero {
    padding: 84px 0 70px;
  }
  .page-hero h1 {
    font-size: 32px;
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .steps-layout {
    grid-template-columns: 1fr;
  }
  .steps-visual img {
    height: 320px;
  }
  .safety-grid {
    grid-template-columns: 1fr;
  }
  .safety-image img {
    height: 320px;
  }
  .section {
    padding: 72px 0;
  }
  .section-head h2 {
    font-size: 27px;
  }
  .footer-main {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .cta-box {
    padding: 52px 28px;
  }
  .cta-box h2 {
    font-size: 27px;
  }
  .header-inner {
    height: 68px;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 18px;
  }
  .logo-text {
    font-size: 17px;
  }
  .logo-mark {
    width: 38px;
    height: 38px;
    font-size: 14px;
  }
  .page-hero {
    padding: 72px 0 58px;
  }
  .page-hero h1 {
    font-size: 28px;
  }
  .page-hero p {
    font-size: 15px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-meta {
    flex-direction: column;
    gap: 10px;
  }
  .section {
    padding: 60px 0;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .card {
    padding: 24px;
  }
  .steps-visual img {
    height: 260px;
  }
  .visual-card {
    padding: 16px 18px;
  }
  .safety-content h2 {
    font-size: 25px;
  }
  .cta-box {
    padding: 42px 20px;
  }
  .cta-box h2 {
    font-size: 23px;
  }
  .cta-actions {
    flex-direction: column;
  }
  .cta-actions .btn {
    width: 100%;
  }
  .footer-bottom {
    font-size: 12px;
  }
}