/* roulang page: index */
/* ======================= 设计系统 ======================= */
:root{
  --primary:#6C5CE7;
  --primary-dark:#5A4BD1;
  --primary-light:#EFEBFF;
  --primary-gradient:linear-gradient(135deg,#7B61FF 0%,#5344E6 100%);
  --accent:#FFB800;
  --accent-dark:#E69E00;
  --accent-light:#FFF7E0;
  --secondary:#00C2A8;
  --secondary-light:#DEF7F3;
  --dark:#101522;
  --dark-2:#1A2034;
  --body-bg:#F6F8FC;
  --white:#FFFFFF;
  --text:#1A1E2E;
  --text-muted:#6B7280;
  --border:#E5E7EF;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(16,21,34,.06);
  --shadow-md:0 8px 30px rgba(16,21,34,.08);
  --shadow-lg:0 20px 60px rgba(16,21,34,.12);
  --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --container:1200px;
  --space-section:100px;
  --transition:all .3s cubic-bezier(.25,.46,.45,.94);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.6;
  color:var(--text);
  background:var(--body-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--space-section) 0}

/* ======================= 导航 ======================= */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(229,231,239,.7);
  box-shadow:0 1px 20px rgba(16,21,34,.04);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:16px;
}
.logo{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:20px;color:var(--dark);
  flex-shrink:0;letter-spacing:-.5px;
}
.logo i{color:var(--primary);font-size:26px}
.logo-text em{
  font-style:normal;color:var(--primary);
}
.main-nav{
  display:flex;align-items:center;gap:4px;
  background:var(--body-bg);
  border-radius:30px;
  padding:4px;
  border:1px solid var(--border);
}
.main-nav .nav-link{
  padding:8px 22px;border-radius:24px;
  font-size:14px;font-weight:500;color:var(--text-muted);
  transition:var(--transition);white-space:nowrap;
}
.main-nav .nav-link:hover{color:var(--primary);background:var(--primary-light)}
.main-nav .nav-link.active{
  background:var(--primary-gradient);color:#fff;
  box-shadow:0 4px 16px rgba(108,92,231,.35);
}
.header-actions{
  display:flex;align-items:center;gap:12px;flex-shrink:0;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:12px;
  font-size:15px;font-weight:600;border:none;cursor:pointer;
  transition:var(--transition);text-align:center;line-height:1.2;
}
.btn-sm{padding:9px 20px;font-size:13px;border-radius:10px}
.btn-primary{
  background:var(--primary-gradient);color:#fff;
  box-shadow:0 6px 20px rgba(108,92,231,.35);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 32px rgba(108,92,231,.45);
}
.btn-outline{
  background:transparent;color:var(--dark);
  border:2px solid var(--border);
}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}
.btn-accent{
  background:linear-gradient(135deg,#FFC92E,#FF9F00);color:#1A1E2E;
  box-shadow:0 6px 24px rgba(255,184,0,.4);
}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 12px 36px rgba(255,184,0,.5)}
.btn-lg{padding:16px 40px;font-size:17px;border-radius:14px}
.menu-toggle{
  display:none;background:none;border:none;cursor:pointer;
  width:42px;height:42px;border-radius:10px;
  font-size:24px;color:var(--dark);
  align-items:center;justify-content:center;
  border:1px solid var(--border);transition:var(--transition);
}
.menu-toggle:hover{background:var(--body-bg)}

/* ======================= Hero ======================= */
.hero{
  position:relative;overflow:hidden;
  padding:120px 0 100px;
  background:var(--dark);
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.35;
}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(16,21,34,.95) 0%,rgba(16,21,34,.72) 50%,rgba(16,21,34,.4) 100%);
}
.hero-content{
  position:relative;z-index:2;
  display:flex;align-items:center;gap:60px;
}
.hero-text{flex:1;max-width:540px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);
  color:#fff;padding:8px 18px;border-radius:30px;
  font-size:13px;font-weight:500;margin-bottom:24px;
  backdrop-filter:blur(8px);
}
.hero-badge i{color:var(--accent)}
.hero h1{
  font-size:46px;line-height:1.2;color:#fff;
  font-weight:800;letter-spacing:-1px;margin-bottom:20px;
}
.hero h1 .gradient-text{
  background:linear-gradient(90deg,#FFB800,#FFD260);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero-sub{
  color:rgba(255,255,255,.75);font-size:17px;line-height:1.7;
  margin-bottom:36px;
}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap}
.hero-visual{
  flex:1;position:relative;
}
.hero-visual .hero-card{
  border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.4);
  transform:rotate(1deg);transition:var(--transition);
  border:1px solid rgba(255,255,255,.1);
}
.hero-visual .hero-card:hover{transform:rotate(0deg) scale(1.02)}
.hero-visual .hero-card img{width:100%;height:340px;object-fit:cover}
.hero-visual::before{
  content:'';position:absolute;top:-30px;right:-30px;width:180px;height:180px;border-radius:50%;
  background:rgba(108,92,231,.3);filter:blur(60px);z-index:-1;
}
.hero-visual::after{
  content:'';position:absolute;bottom:-20px;left:-20px;width:120px;height:120px;border-radius:50%;
  background:rgba(255,184,0,.2);filter:blur(50px);z-index:-1;
}
.hero-float-tag{
  position:absolute;bottom:24px;left:-20px;
  background:rgba(255,255,255,.95);border-radius:14px;
  padding:12px 20px;box-shadow:var(--shadow-lg);
  display:flex;align-items:center;gap:12px;
  font-size:13px;font-weight:600;color:var(--dark);
}
.hero-float-tag i{color:var(--secondary);font-size:20px}

/* ======================= 数据条 ======================= */
.stats-section{
  position:relative;z-index:5;
  margin-top:-50px;padding-bottom:0;
}
.stats-grid{
  background:var(--white);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);border:1px solid var(--border);
  padding:40px 48px;display:grid;grid-template-columns:repeat(4,1fr);gap:32px;
}
.stat-item{text-align:center}
.stat-item + .stat-item{border-left:1px solid var(--border)}
.stat-num{
  font-size:36px;font-weight:800;color:var(--dark);
  letter-spacing:-1px;line-height:1.2;
  background:var(--primary-gradient);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
  display:block;
}
.stat-label{font-size:14px;color:var(--text-muted);margin-top:4px;display:block}

/* ======================= 板块通用 ======================= */
.section-head{
  text-align:center;max-width:640px;margin:0 auto 56px;
}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:600;
  color:var(--primary);background:var(--primary-light);
  padding:6px 18px;border-radius:20px;margin-bottom:16px;
}
.section-head h2{
  font-size:36px;font-weight:800;color:var(--dark);
  letter-spacing:-1px;line-height:1.25;margin-bottom:14px;
}
.section-head p{color:var(--text-muted);font-size:16px;line-height:1.6}

/* ======================= 特色 ======================= */
.features-section{background:var(--white)}
.features-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:28px;
}
.feature-card{
  background:var(--body-bg);border:1px solid var(--border);
  border-radius:var(--radius-md);padding:36px 28px;
  transition:var(--transition);position:relative;overflow:hidden;
}
.feature-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:4px;
  background:var(--primary-gradient);opacity:0;transition:var(--transition);
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.feature-card:hover::before{opacity:1}
.feature-icon{
  width:60px;height:60px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-size:26px;margin-bottom:20px;
}
.feature-icon.i1{background:var(--primary-light);color:var(--primary)}
.feature-icon.i2{background:var(--accent-light);color:var(--accent-dark)}
.feature-icon.i3{background:var(--secondary-light);color:var(--secondary)}
.feature-icon.i4{background:linear-gradient(135deg,#FFE8F0,#F4D5E5);color:#E84A8A}
.feature-card h3{font-size:18px;font-weight:700;margin-bottom:10px;color:var(--dark)}
.feature-card p{font-size:14px;color:var(--text-muted);line-height:1.65}

/* ======================= 分类入口 ======================= */
.categories-section{background:var(--body-bg)}
.category-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:32px;
}
.category-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  display:block;box-shadow:var(--shadow-sm);
  transition:var(--transition);min-height:320px;
}
.category-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.category-card img{width:100%;height:320px;object-fit:cover;transition:var(--transition)}
.category-card:hover img{transform:scale(1.05)}
.category-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,21,34,0) 30%,rgba(16,21,34,.85) 100%);
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:28px;color:#fff;
}
.category-tag{
  display:inline-block;background:var(--accent);color:#1A1E2E;
  font-size:12px;font-weight:700;padding:4px 14px;border-radius:16px;
  margin-bottom:12px;align-self:flex-start;letter-spacing:.5px;
}
.category-overlay h3{font-size:24px;font-weight:800;margin-bottom:6px}
.category-overlay p{font-size:14px;color:rgba(255,255,255,.85);line-height:1.5}

/* ======================= 最新资讯 ======================= */
.news-section{background:var(--white)}
.news-list{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px;
}
.news-item{
  display:flex;flex-direction:column;gap:10px;
  background:var(--body-bg);border:1px solid var(--border);
  border-radius:var(--radius-md);padding:28px;
  transition:var(--transition);position:relative;
}
.news-item:hover{
  box-shadow:var(--shadow-md);transform:translateY(-4px);
  border-color:var(--primary);background:var(--white);
}
.news-cat{
  display:inline-block;font-size:12px;font-weight:600;
  color:var(--primary);background:var(--primary-light);
  padding:4px 14px;border-radius:16px;align-self:flex-start;
}
.news-item h3{
  font-size:18px;font-weight:700;color:var(--dark);line-height:1.4;
  transition:var(--transition);
}
.news-item:hover h3{color:var(--primary)}
.news-item p{
  font-size:14px;color:var(--text-muted);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-date{
  font-size:12px;color:var(--text-muted);display:flex;align-items:center;gap:6px;
  margin-top:auto;padding-top:8px;
}
.news-date i{font-size:14px}
.empty-tip{
  text-align:center;color:var(--text-muted);font-size:16px;
  padding:48px;background:var(--body-bg);border-radius:var(--radius-md);
  border:1px dashed var(--border);grid-column:1/-1;
}

/* ======================= 步骤 ======================= */
.steps-section{background:var(--body-bg)}
.steps-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:32px;position:relative;
}
.step-item{
  background:var(--white);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:40px 32px;
  text-align:center;transition:var(--transition);position:relative;
}
.step-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.step-num{
  width:56px;height:56px;border-radius:50%;
  background:var(--primary-gradient);color:#fff;
  font-size:20px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 20px;box-shadow:0 8px 20px rgba(108,92,231,.3);
}
.step-item h3{font-size:19px;font-weight:700;color:var(--dark);margin-bottom:10px}
.step-item p{font-size:14px;color:var(--text-muted);line-height:1.6}
.step-icon{font-size:34px;margin-bottom:12px}
.steps-grid::before{
  content:'';position:absolute;top:88px;left:16%;right:16%;
  height:2px;background:var(--border);z-index:0;
}
.step-item{z-index:1}

/* ======================= FAQ ======================= */
.faq-section{background:var(--white)}
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.faq-item{
  border:1px solid var(--border);border-radius:var(--radius-md);
  background:var(--body-bg);overflow:hidden;transition:var(--transition);
}
.faq-item[open]{background:var(--white);box-shadow:var(--shadow-sm);border-color:var(--primary-light)}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:22px 28px;font-size:16px;font-weight:600;color:var(--dark);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:var(--transition);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:'\f078';font-family:'Font Awesome 6 Free';font-weight:900;
  font-size:14px;color:var(--text-muted);transition:var(--transition);
  flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(180deg);color:var(--primary)}
.faq-item summary:hover{color:var(--primary)}
.faq-item .faq-body{padding:0 28px 24px;font-size:14px;color:var(--text-muted);line-height:1.7}

/* ======================= CTA ======================= */
.cta-section{
  position:relative;background:var(--dark);overflow:hidden;
  padding:90px 0;
}
.cta-section .cta-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;opacity:.25;
}
.cta-section .cta-bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(108,92,231,.7),rgba(16,21,34,.9));
}
.cta-content{
  position:relative;z-index:2;text-align:center;color:#fff;
  max-width:640px;margin:0 auto;
}
.cta-content h2{font-size:38px;font-weight:800;letter-spacing:-1px;margin-bottom:16px}
.cta-content p{font-size:17px;color:rgba(255,255,255,.8);margin-bottom:36px}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ======================= 页脚 ======================= */
.site-footer{
  background:var(--dark);color:rgba(255,255,255,.7);
  padding-top:72px;position:relative;
}
.site-footer::before{
  content:'';position:absolute;top:0;left:0;right:0;height:4px;
  background:var(--primary-gradient);
}
.footer-content{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand h3{
  font-size:20px;color:#fff;font-weight:800;margin-bottom:12px;
  display:flex;align-items:center;gap:10px;
}
.footer-brand h3 i{color:var(--primary)}
.footer-brand p{font-size:14px;line-height:1.7;max-width:280px}
.footer-col h4{
  font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;
  letter-spacing:.5px;
}
.footer-col a{
  display:block;font-size:14px;padding:6px 0;
  color:rgba(255,255,255,.6);transition:var(--transition);
}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-bottom{
  padding:24px 0;text-align:center;font-size:13px;
  color:rgba(255,255,255,.45);
}
.footer-bottom .domain{color:var(--primary)}

/* ======================= 响应式 ======================= */
@media (max-width:1024px){
  :root{--space-section:72px}
  .hero{padding:90px 0 80px}
  .hero h1{font-size:36px}
  .hero-content{flex-direction:column;gap:48px}
  .hero-text{max-width:100%}
  .hero-visual{width:100%;max-width:560px}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr);padding:32px}
  .stat-item:nth-child(3){border-left:none}
  .stat-item:nth-child(n+3){border-left:1px solid var(--border)}
  .stat-item:nth-child(2){border-right:1px solid var(--border)}
  .stat-item:nth-child(1){border-right:1px solid var(--border)}
  .stat-item:nth-child(3){border-left:none}
  .category-grid{grid-template-columns:repeat(3,1fr);gap:20px}
  .steps-grid{grid-template-columns:repeat(3,1fr);gap:20px}
  .footer-content{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  :root{--space-section:56px}
  .menu-toggle{display:flex}
  .main-nav{
    position:fixed;top:72px;left:0;right:0;
    background:var(--white);flex-direction:column;
    padding:20px 24px;box-shadow:0 20px 40px rgba(0,0,0,.15);
    border-radius:0;border:none;border-bottom:1px solid var(--border);
    display:none;z-index:99;align-items:stretch;gap:8px;
  }
  .main-nav.open{display:flex}
  .main-nav .nav-link{
    padding:14px 18px;border-radius:10px;text-align:center;
  }
  .header-actions .btn-sm{display:none}
  .hero{padding:56px 0 64px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15px}
  .hero-buttons{flex-direction:column}
  .hero-buttons .btn{width:100%}
  .hero-visual .hero-card img{height:240px}
  .hero-float-tag{left:12px;bottom:12px;padding:10px 16px;font-size:12px}
  .stats-section{margin-top:-30px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px;padding:24px}
  .stat-num{font-size:28px}
  .features-grid{grid-template-columns:1fr}
  .section-head h2{font-size:28px}
  .category-grid{grid-template-columns:1fr}
  .category-card{min-height:250px}
  .category-card img{height:250px}
  .news-list{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr;gap:20px}
  .steps-grid::before{display:none}
  .faq-item summary{padding:18px 20px;font-size:15px}
  .faq-item .faq-body{padding:0 20px 20px}
  .cta-content h2{font-size:28px}
  .footer-content{grid-template-columns:1fr}
  .footer-col{margin-bottom:8px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .logo{font-size:17px}
  .logo i{font-size:20px}
  .header-inner{height:64px}
  .main-nav{top:64px}
  .hero{padding:48px 0 56px}
  .hero h1{font-size:26px}
  .stats-grid{padding:20px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:16px}
  .stat-item:nth-child(1){border-right:1px solid var(--border)}
  .stat-item:nth-child(3){border-left:1px solid var(--border)}
  .stat-item:nth-child(2){border-right:none}
  .stat-item:nth-child(4){border-left:none}
  .section-head{margin-bottom:36px}
  .section-head h2{font-size:24px}
  .feature-card{padding:24px 20px}
  .step-item{padding:28px 20px}
  .faq-list{gap:12px}
  .btn-lg{padding:14px 32px;font-size:16px}
}

/* 无障碍焦点 */
a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:3px solid rgba(108,92,231,.4);outline-offset:2px;
  border-radius:6px;
}

/* roulang page: category1 */
:root {
  --primary: #6d28d9;
  --primary-dark: #5b21b6;
  --primary-light: #8b5cf6;
  --accent: #f97316;
  --accent-hover: #ea580c;
  --bg: #f8fafc;
  --bg-alt: #f1f5f9;
  --dark: #18181b;
  --dark-soft: #27272a;
  --text: #1e293b;
  --text-light: #64748b;
  --text-lighter: #94a3b8;
  --border: #e2e8f0;
  --white: #ffffff;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(0, 0, 0, .06);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, .12);
  --shadow-primary: 0 8px 30px rgba(109, 40, 217, .22);
  --shadow-accent: 0 8px 30px rgba(249, 115, 22, .25);
  --transition: all .3s ease;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.7; font-size: 16px; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input, textarea { font-family: inherit; border: 2px solid var(--border); border-radius: 12px; padding: 12px 18px; font-size: 15px; outline: none; transition: var(--transition); background: var(--white); }
input:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(109, 40, 217, .12); }
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* ========== HEADER ========== */
.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,.97); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid var(--border); box-shadow: 0 2px 20px rgba(0,0,0,.04); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800; color: var(--dark); letter-spacing: .5px; white-space: nowrap; }
.logo i { color: var(--primary); font-size: 26px; }
.logo .logo-accent { color: var(--accent); }
.main-nav { display: flex; align-items: center; gap: 4px; }
.nav-link { padding: 10px 18px; border-radius: 999px; font-size: 15px; font-weight: 500; color: var(--text-light); transition: var(--transition); display: inline-flex; align-items: center; gap: 7px; }
.nav-link i { font-size: 14px; opacity: .9; }
.nav-link:hover { color: var(--primary); background: rgba(109,40,217,.08); }
.nav-link.active { color: var(--white); background: var(--primary); box-shadow: var(--shadow-primary); }
.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.header-search { position: relative; }
.header-search input { width: 180px; padding: 9px 16px 9px 38px; border-radius: 999px; background: var(--bg-alt); border-color: transparent; font-size: 14px; }
.header-search input:focus { background: var(--white); border-color: var(--primary); width: 220px; }
.header-search i { position: absolute; left: 15px; top: 50%; transform: translateY(-50%); color: var(--text-lighter); font-size: 13px; }
.header-cta { background: linear-gradient(135deg, var(--accent), #fbbf24); color: var(--white); padding: 10px 24px; border-radius: 999px; font-size: 14px; font-weight: 600; box-shadow: var(--shadow-accent); transition: var(--transition); white-space: nowrap; }
.header-cta:hover { transform: translateY(-2px); box-shadow: 0 12px 36px rgba(249,115,22,.35); }
.menu-toggle { display: none; width: 44px; height: 44px; border-radius: 12px; background: var(--bg-alt); color: var(--text); align-items: center; justify-content: center; font-size: 18px; }

/* ========== MOBILE NAV ========== */
.mobile-menu { display: none; position: fixed; top: 72px; left: 0; right: 0; background: var(--white); box-shadow: 0 20px 40px rgba(0,0,0,.12); padding: 20px 24px; border-radius: 0 0 var(--radius-lg) var(--radius-lg); z-index: 999; }
.mobile-menu.open { display: block; }
.mobile-menu .nav-link { display: block; padding: 14px 16px; border-radius: 12px; margin-bottom: 4px; font-size: 16px; }
.mobile-menu .nav-link.active { background: var(--primary); color: var(--white); }

/* ========== PAGE HERO ========== */
.page-hero { position: relative; background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #5b21b6 100%); padding: 100px 0 90px; overflow: hidden; color: var(--white); background-image: url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; }
.page-hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(30,27,75,.93), rgba(91,33,182,.85)); }
.page-hero::after { content: ''; position: absolute; top: -80px; right: -80px; width: 400px; height: 400px; border-radius: 50%; background: rgba(249,115,22,.25); filter: blur(90px); }
.hero-content { position: relative; z-index: 2; text-align: center; max-width: 780px; margin: 0 auto; }
.hero-content .hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.25); padding: 8px 20px; border-radius: 999px; font-size: 14px; font-weight: 500; margin-bottom: 24px; backdrop-filter: blur(8px); }
.hero-content h1 { font-size: 44px; line-height: 1.25; font-weight: 800; letter-spacing: .5px; margin-bottom: 18px; }
.hero-content h1 span { color: #fbbf24; }
.hero-content p { font-size: 17px; color: rgba(255,255,255,.85); margin-bottom: 32px; line-height: 1.8; }
.hero-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-primary { display: inline-flex; align-items: center; gap: 8px; background: var(--white); color: var(--primary); padding: 14px 32px; border-radius: 999px; font-size: 15px; font-weight: 700; transition: var(--transition); box-shadow: 0 4px 24px rgba(255,255,255,.25); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 32px rgba(255,255,255,.35); }
.btn-outline-light { display: inline-flex; align-items: center; gap: 8px; border: 2px solid rgba(255,255,255,.6); color: var(--white); padding: 12px 30px; border-radius: 999px; font-size: 15px; font-weight: 600; transition: var(--transition); backdrop-filter: blur(4px); }
.btn-outline-light:hover { background: rgba(255,255,255,.15); border-color: var(--white); }

/* ========== BREADCRUMB ========== */
.breadcrumb-wrap { background: var(--white); border-bottom: 1px solid var(--border); padding: 14px 0; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-lighter); flex-wrap: wrap; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { opacity: .5; }
.breadcrumb .current { color: var(--text); font-weight: 500; }

/* ========== SECTION COMMON ========== */
.section { padding: 80px 0; }
.section-alt { background: var(--white); }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 50px; }
.section-header .section-tag { display: inline-block; background: rgba(109,40,217,.1); color: var(--primary); padding: 6px 16px; border-radius: 999px; font-size: 13px; font-weight: 600; margin-bottom: 16px; letter-spacing: 1px; }
.section-header h2 { font-size: 34px; font-weight: 800; margin-bottom: 14px; color: var(--dark); line-height: 1.3; }
.section-header p { color: var(--text-light); font-size: 16px; line-height: 1.8; }

/* ========== STEP PROCESS ========== */
.steps-section { position: relative; background: var(--bg); }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step-card { background: var(--white); border-radius: var(--radius); padding: 32px 24px; text-align: center; border: 1px solid var(--border); box-shadow: var(--shadow); transition: var(--transition); position: relative; }
.step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.step-number { position: absolute; top: 18px; left: 20px; font-size: 44px; font-weight: 900; color: rgba(109,40,217,.08); line-height: 1; }
.step-icon { width: 64px; height: 64px; border-radius: 18px; display: flex; align-items: center; justify-content: center; font-size: 24px; margin: 0 auto 18px; }
.step-icon.i1 { background: linear-gradient(135deg, #8b5cf6, #6d28d9); color: var(--white); }
.step-icon.i2 { background: linear-gradient(135deg, #fbbf24, #f97316); color: var(--white); }
.step-icon.i3 { background: linear-gradient(135deg, #38bdf8, #2563eb); color: var(--white); }
.step-icon.i4 { background: linear-gradient(135deg, #34d399, #059669); color: var(--white); }
.step-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.step-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

/* ========== GUIDE TUTORIAL LIST ========== */
.guide-section { background: var(--white); }
.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.guide-card { background: var(--bg); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); transition: var(--transition); display: flex; flex-direction: column; }
.guide-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(109,40,217,.2); }
.guide-card-img { position: relative; height: 190px; overflow: hidden; }
.guide-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.guide-card:hover .guide-card-img img { transform: scale(1.06); }
.guide-card-img .tag { position: absolute; top: 14px; left: 14px; background: rgba(109,40,217,.92); color: var(--white); font-size: 12px; padding: 5px 14px; border-radius: 999px; font-weight: 600; backdrop-filter: blur(4px); }
.guide-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.guide-card-body .meta { display: flex; align-items: center; gap: 16px; font-size: 12px; color: var(--text-lighter); margin-bottom: 12px; }
.guide-card-body .meta i { margin-right: 5px; }
.guide-card-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; line-height: 1.45; }
.guide-card-body h3 a:hover { color: var(--primary); }
.guide-card-body p { font-size: 14px; color: var(--text-light); line-height: 1.75; margin-bottom: 16px; flex: 1; }
.guide-card-body .read-more { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--primary); }
.guide-card-body .read-more:hover { gap: 10px; }

/* ========== RESOURCE / DOWNLOAD SECTION ========== */
.resource-section { background: var(--dark); color: var(--white); position: relative; overflow: hidden; background-image: url('/assets/images/backpic/back-2.png'); background-size: cover; background-position: center; }
.resource-section::before { content: ''; position: absolute; inset: 0; background: rgba(24,24,27,.92); }
.resource-inner { position: relative; z-index: 2; }
.resource-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.resource-card { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); padding: 28px; backdrop-filter: blur(10px); transition: var(--transition); }
.resource-card:hover { background: rgba(255,255,255,.12); transform: translateY(-4px); border-color: rgba(255,255,255,.25); }
.resource-card i { font-size: 28px; color: #fbbf24; margin-bottom: 16px; display: block; }
.resource-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.resource-card p { font-size: 14px; color: rgba(255,255,255,.7); line-height: 1.7; }

/* ========== FAQ ========== */
.faq-section { background: var(--bg); }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--white); border-radius: var(--radius); margin-bottom: 14px; border: 1px solid var(--border); box-shadow: var(--shadow); transition: var(--transition); overflow: hidden; }
.faq-item:hover { border-color: rgba(109,40,217,.2); }
.faq-question { padding: 22px 26px; font-size: 16px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq-question i { color: var(--primary); font-size: 15px; transition: transform .3s; flex-shrink: 0; }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer { padding: 0 26px; max-height: 0; overflow: hidden; transition: max-height .4s ease, padding .4s ease; color: var(--text-light); font-size: 15px; line-height: 1.8; }
.faq-item.open .faq-answer { padding: 0 26px 22px; max-height: 500px; }

/* ========== CTA ========== */
.cta-section { position: relative; padding: 80px 0; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); overflow: hidden; }
.cta-section::before { content: ''; position: absolute; top: -60px; left: 50%; transform: translateX(-50%); width: 600px; height: 300px; background: rgba(255,255,255,.1); filter: blur(60px); border-radius: 50%; }
.cta-inner { position: relative; z-index: 2; text-align: center; color: var(--white); max-width: 640px; margin: 0 auto; }
.cta-inner h2 { font-size: 34px; font-weight: 800; margin-bottom: 16px; }
.cta-inner p { font-size: 16px; color: rgba(255,255,255,.85); margin-bottom: 32px; line-height: 1.8; }
.cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-white { display: inline-flex; align-items: center; gap: 8px; background: var(--white); color: var(--primary); padding: 14px 34px; border-radius: 999px; font-size: 15px; font-weight: 700; transition: var(--transition); box-shadow: 0 4px 20px rgba(0,0,0,.15); }
.btn-white:hover { transform: translateY(-3px); box-shadow: 0 8px 32px rgba(255,255,255,.3); }
.btn-ghost { display: inline-flex; align-items: center; gap: 8px; border: 2px solid rgba(255,255,255,.5); color: var(--white); padding: 12px 32px; border-radius: 999px; font-size: 15px; font-weight: 600; }
.btn-ghost:hover { background: rgba(255,255,255,.15); border-color: var(--white); }

/* ========== FOOTER ========== */
.site-footer { background: var(--dark); color: rgba(255,255,255,.7); padding: 64px 0 0; }
.footer-content { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-brand h3 { color: var(--white); font-size: 22px; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.footer-brand h3 i { color: var(--primary-light); }
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 300px; }
.footer-col h4 { color: var(--white); font-size: 16px; font-weight: 600; margin-bottom: 18px; position: relative; padding-bottom: 12px; }
.footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 32px; height: 3px; background: var(--accent); border-radius: 99px; }
.footer-col a { display: block; padding: 6px 0; font-size: 14px; color: rgba(255,255,255,.6); transition: var(--transition); }
.footer-col a:hover { color: var(--white); padding-left: 8px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,.4); }
.footer-bottom .domain { color: rgba(255,255,255,.6); }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .guide-grid { grid-template-columns: repeat(2, 1fr); }
  .resource-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-content { grid-template-columns: 1fr 1fr; }
  .header-search { display: none; }
}
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .main-nav { display: none; }
  .header-cta { display: none; }
  .menu-toggle { display: flex; }
  .page-hero { padding: 80px 0 70px; }
  .hero-content h1 { font-size: 32px; }
  .section-header h2 { font-size: 28px; }
  .steps-grid { grid-template-columns: 1fr; }
  .guide-grid { grid-template-columns: 1fr; }
  .resource-grid { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr; gap: 32px; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .header-inner { height: 64px; }
  .mobile-menu { top: 64px; }
}
@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .logo { font-size: 18px; }
  .logo i { font-size: 20px; }
  .page-hero { padding: 60px 0 54px; }
  .hero-content h1 { font-size: 26px; }
  .hero-content p { font-size: 15px; }
  .guide-card-img { height: 160px; }
  .section-header h2 { font-size: 24px; }
}

/* roulang page: article */
/* ========== 设计变量 ========== */
:root {
  --primary: #6a3de8;
  --primary-dark: #5522c9;
  --primary-light: #efe9fd;
  --accent: #ff9f43;
  --accent-dark: #f0811f;
  --bg: #f7f6fb;
  --surface: #ffffff;
  --surface-alt: #f0edf7;
  --text: #1c1830;
  --text-weak: #6a6480;
  --border: #e5e1ef;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 8px rgba(28, 24, 48, 0.06);
  --shadow: 0 8px 24px rgba(28, 24, 48, 0.08);
  --shadow-lg: 0 16px 40px rgba(28, 24, 48, 0.12);
  --container: 1200px;
  --header-height: 72px;
  --space-section: 72px;
}

/* ========== Reset & Base ========== */
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  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: var(--primary);
  text-decoration: none;
  transition: color .2s ease;
}
a:hover { color: var(--primary-dark); }

ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== 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;
  line-height: 1.4;
  border: 2px solid transparent;
  transition: all .25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(106, 61, 232, 0.3);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}
.btn-light {
  background: #fff;
  color: var(--text);
  border-color: #fff;
}
.btn-light:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
}
.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.7);
}
.btn-outline-light:hover {
  background: #fff;
  color: var(--text);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
}
.btn-block {
  width: 100%;
}
.btn:focus-visible {
  outline: 3px solid rgba(106, 61, 232, 0.35);
  outline-offset: 2px;
}

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: var(--header-height);
}
.header-inner {
  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: linear-gradient(135deg, var(--primary), #9b6bff);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(106, 61, 232, 0.35);
}
.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.5px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 auto;
}
.nav-link {
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-weak);
  transition: all .22s ease;
  border: 1px solid transparent;
}
.nav-link:hover {
  color: var(--primary);
  background: var(--primary-light);
}
.nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
  border-color: rgba(106, 61, 232, 0.2);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  border-radius: 8px;
}
.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all .3s ease;
}
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ========== 页面 Banner ========== */
.page-banner {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 72px 0 56px;
  color: #fff;
  overflow: hidden;
}
.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(24, 16, 48, 0.94), rgba(80, 46, 158, 0.82));
}
.page-banner .container {
  position: relative;
  z-index: 1;
}
.banner-content {
  max-width: 860px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.75);
  transition: color .2s ease;
}
.breadcrumb a:hover {
  color: var(--accent);
}
.breadcrumb-sep {
  color: rgba(255, 255, 255, 0.45);
  font-size: 12px;
}
.breadcrumb span {
  color: rgba(255, 255, 255, 0.9);
}
.page-banner h1 {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}
.banner-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.15);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 500;
}

/* ========== 文章区域 ========== */
.article-section {
  padding: var(--space-section) 0 60px;
  background: var(--bg);
}
.article-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 40px;
  align-items: start;
}
.article-main {
  min-width: 0;
}
.article-box {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 44px;
  border: 1px solid var(--border);
}
.article-lead {
  font-size: 18px;
  line-height: 1.8;
  color: var(--text-weak);
  background: var(--surface-alt);
  border-left: 4px solid var(--primary);
  padding: 18px 22px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-bottom: 28px;
}

/* ========== 文章正文 ========== */
.article-body {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text);
}
.article-body p {
  margin: 0 0 18px;
}
.article-body h2 {
  font-size: 26px;
  font-weight: 700;
  margin: 40px 0 18px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-light);
  color: var(--text);
}
.article-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 30px 0 14px;
  color: var(--text);
}
.article-body h4 {
  font-size: 17px;
  font-weight: 700;
  margin: 24px 0 12px;
  color: var(--text);
}
.article-body img {
  border-radius: var(--radius);
  margin: 22px 0;
  box-shadow: var(--shadow-sm);
}
.article-body ul,
.article-body ol {
  margin: 16px 0 20px;
  padding-left: 24px;
}
.article-body ul li {
  list-style: disc;
  margin-bottom: 8px;
}
.article-body ol li {
  list-style: decimal;
  margin-bottom: 8px;
}
.article-body li::marker {
  color: var(--primary);
}
.article-body blockquote {
  border-left: 4px solid var(--primary);
  background: var(--surface-alt);
  padding: 18px 22px;
  margin: 24px 0;
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text-weak);
  font-style: italic;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 15px;
}
.article-body th,
.article-body td {
  border: 1px solid var(--border);
  padding: 12px 16px;
  text-align: left;
}
.article-body th {
  background: var(--surface-alt);
  font-weight: 700;
}
.article-body tr:nth-child(even) td {
  background: #faf9fd;
}
.article-body code {
  background: var(--surface-alt);
  padding: 3px 8px;
  border-radius: 5px;
  font-size: 14px;
  color: var(--primary-dark);
  font-family: "Consolas", "Monaco", monospace;
}
.article-body pre {
  background: #1c1830;
  color: #e8e6f0;
  padding: 20px;
  border-radius: var(--radius);
  overflow-x: auto;
  margin: 24px 0;
  font-size: 14px;
  line-height: 1.7;
}
.article-body pre code {
  background: none;
  color: inherit;
  padding: 0;
}

/* ========== 文章底部 ========== */
.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.article-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
}

/* ========== 内容未找到 ========== */
.article-not-found {
  text-align: center;
  padding: 60px 24px;
}
.article-not-found i {
  font-size: 56px;
  color: var(--border);
  margin-bottom: 20px;
}
.article-not-found h2 {
  font-size: 28px;
  margin-bottom: 12px;
  color: var(--text);
}
.article-not-found p {
  color: var(--text-weak);
  margin-bottom: 24px;
}

/* ========== 侧边栏 ========== */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: calc(var(--header-height) + 24px);
}
.sidebar-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 28px;
  border: 1px solid var(--border);
  transition: box-shadow .25s ease;
}
.sidebar-card:hover {
  box-shadow: var(--shadow);
}
.sidebar-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.sidebar-card-header i {
  color: var(--primary);
  font-size: 18px;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  border-radius: 10px;
}
.sidebar-card-header h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}
.about-card p {
  font-size: 14px;
  color: var(--text-weak);
  margin-bottom: 18px;
  line-height: 1.8;
}
.category-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.category-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius);
  background: var(--bg);
  border: 1px solid transparent;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  transition: all .22s ease;
}
.category-nav a i {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 8px;
  font-size: 14px;
}
.category-nav a:hover {
  background: var(--primary-light);
  border-color: rgba(106, 61, 232, 0.2);
  transform: translateX(4px);
}
.sidebar-post-list {
  display: flex;
  flex-direction: column;
}
.sidebar-post-list li {
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.sidebar-post-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.sidebar-post-list a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all .2s ease;
}
.sidebar-post-list .post-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
  transition: color .2s ease;
}
.sidebar-post-list a:hover .post-title {
  color: var(--primary);
}
.sidebar-post-list .post-date {
  font-size: 12px;
  color: var(--text-weak);
  display: flex;
  align-items: center;
  gap: 6px;
}
.sidebar-empty {
  font-size: 14px;
  color: var(--text-weak);
  text-align: center;
  padding: 12px 0;
}

/* ========== 相关推荐 ========== */
.related-section {
  padding: var(--space-section) 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.section-head {
  text-align: center;
  margin-bottom: 40px;
}
.section-head h2 {
  font-size: 30px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.section-head h2 i {
  color: var(--primary);
}
.section-head p {
  color: var(--text-weak);
  font-size: 15px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.related-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all .28s ease;
  height: 100%;
}
.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.related-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.related-card:hover .related-thumb img {
  transform: scale(1.06);
}
.related-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(106, 61, 232, 0.92);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}
.related-info {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.related-info h4 {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .2s ease;
}
.related-card:hover .related-info h4 {
  color: var(--primary);
}
.related-info p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
}
.related-date {
  font-size: 13px;
  color: var(--text-weak);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding-top: 8px;
}
.related-empty {
  text-align: center;
  padding: 40px;
  color: var(--text-weak);
}

/* ========== CTA ========== */
.cta-section {
  position: relative;
  padding: 80px 0;
  background-size: cover;
  background-position: center;
  color: #fff;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(30, 18, 60, 0.92), rgba(80, 46, 158, 0.75));
}
.cta-section .container {
  position: relative;
  z-index: 1;
  text-align: center;
}
.cta-content {
  max-width: 720px;
  margin: 0 auto;
}
.cta-content h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-content p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 32px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ========== Footer ========== */
.site-footer {
  background: #17132a;
  color: #a8a0c0;
  padding: 64px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-content {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand h3 {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-brand h3 i {
  color: var(--accent);
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  max-width: 320px;
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 8px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.footer-col a {
  display: block;
  color: #a8a0c0;
  font-size: 14px;
  padding: 5px 0;
  transition: all .2s ease;
}
.footer-col a:hover {
  color: #fff;
  padding-left: 6px;
}
.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: #6f6886;
}
.footer-bottom .domain {
  color: #a8a0c0;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .article-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 28px;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .nav-link {
    padding: 8px 14px;
    font-size: 14px;
  }
}

@media (max-width: 768px) {
  :root {
    --space-section: 48px;
  }
  .page-banner {
    padding: 52px 0 40px;
  }
  .page-banner h1 {
    font-size: 26px;
  }
  .menu-toggle {
    display: flex;
  }
  .main-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--surface);
    flex-direction: column;
    align-items: stretch;
    padding: 20px;
    gap: 10px;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--border);
    z-index: 99;
    margin: 0;
  }
  .main-nav.open {
    display: flex;
  }
  .nav-link {
    padding: 14px 20px;
    text-align: center;
    font-size: 15px;
  }
  .header-actions .btn {
    display: none;
  }
  .article-grid {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
  }
  .article-box {
    padding: 28px;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cta-content h2 {
    font-size: 26px;
  }
  .footer-content {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .logo-text {
    font-size: 17px;
  }
  .page-banner {
    padding: 42px 0 32px;
  }
  .page-banner h1 {
    font-size: 22px;
  }
  .banner-meta {
    gap: 8px;
  }
  .article-box {
    padding: 20px 18px;
    border-radius: 16px;
  }
  .article-body {
    font-size: 15px;
  }
  .article-body h2 {
    font-size: 22px;
  }
  .article-footer {
    flex-direction: column;
    align-items: flex-start;
  }
  .related-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .cta-actions .btn {
    width: 100%;
  }
  .footer-col a {
    font-size: 13px;
  }
}

/* roulang page: category2 */
:root {
  --primary: #141b2d;
  --primary-light: #1e2a45;
  --primary-lighter: #2a3a5c;
  --accent: #f5a623;
  --accent-hover: #e09510;
  --accent-gradient: linear-gradient(135deg, #f5a623, #f7c46c);
  --bg: #f4f6fb;
  --bg-alt: #eef1f7;
  --card-bg: #ffffff;
  --text: #1a2332;
  --text-muted: #6b7b8d;
  --border: #e3e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(20, 35, 60, 0.06);
  --shadow: 0 8px 24px rgba(20, 35, 60, 0.08);
  --shadow-lg: 0 20px 48px rgba(20, 35, 60, 0.14);
  --space-section: 96px;
  --nav-height: 72px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ==================== Header ==================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(20, 27, 45, 0.12);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
}

.site-header.scrolled {
  background: rgba(13, 19, 32, 0.92);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  border-bottom-color: rgba(255, 255, 255, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: .3px;
  white-space: nowrap;
}

.logo-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, #f5a623, #ff7e5f);
  color: #141b2d;
  font-size: 1.05rem;
  box-shadow: 0 6px 16px rgba(245, 166, 35, .35);
  flex-shrink: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav .nav-link {
  padding: 10px 16px;
  border-radius: 100px;
  color: rgba(255, 255, 255, .78);
  font-weight: 500;
  font-size: .95rem;
  transition: var(--transition);
  position: relative;
}

.main-nav .nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, .1);
}

.main-nav .nav-link.active {
  color: #141b2d;
  font-weight: 700;
  background: linear-gradient(135deg, #f5a623, #f7c46c);
  box-shadow: 0 4px 14px rgba(245, 166, 35, .35);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: .9rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, .16);
  transition: var(--transition);
  white-space: nowrap;
}

.header-cta:hover {
  background: #f5a623;
  color: #141b2d;
  border-color: #f5a623;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(245, 166, 35, .3);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, .1);
  color: #fff;
  font-size: 1.1rem;
  transition: var(--transition);
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, .2);
}

/* ==================== Page Banner ==================== */
.page-banner {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  background: linear-gradient(120deg, #0a1226 0%, #141b2d 55%, #1e2a45 100%);
  overflow: hidden;
}

.page-banner .banner-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: .38;
}

.page-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 65% 30%, rgba(245, 166, 35, 0.1), transparent 55%);
}

.banner-inner {
  max-width: 780px;
}

.banner-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 100px;
  background: rgba(245, 166, 35, .15);
  border: 1px solid rgba(245, 166, 35, .3);
  color: #f5c46c;
  font-weight: 600;
  font-size: .9rem;
  margin-bottom: 22px;
}

.banner-inner h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 18px;
}

.banner-inner p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, .85);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 720px;
}

.banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ==================== Buttons ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 100px;
  font-size: .96rem;
  font-weight: 600;
  transition: var(--transition);
  line-height: 1.4;
}

.btn-primary {
  background: linear-gradient(135deg, #f5a623, #f7c46c);
  color: #141b2d;
  box-shadow: 0 8px 20px rgba(245, 166, 35, .35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(245, 166, 35, .45);
}

.btn-primary:focus-visible {
  outline: 3px solid rgba(245, 166, 35, .5);
  outline-offset: 2px;
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, .4);
}

.btn-outline:hover {
  border-color: #f5a623;
  color: #f5c46c;
  transform: translateY(-2px);
}

.btn-outline:focus-visible {
  outline: 3px solid rgba(245, 166, 35, .4);
  outline-offset: 2px;
}

.btn-lg {
  padding: 15px 36px;
  font-size: 1.02rem;
}

/* ==================== Sections ==================== */
.section {
  padding: var(--space-section) 0;
}

.bg-alt {
  background: var(--bg-alt);
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(245, 166, 35, .08);
  color: #e09510;
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .4px;
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 12px;
}

.section-head p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
}

/* ==================== Stats ==================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 36px 30px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 50%;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, #f5a623, transparent);
  opacity: 0;
  transition: opacity .3s ease;
}

.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.stat-card:hover::after {
  opacity: 1;
}

.stat-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(245, 166, 35, .15), rgba(245, 166, 35, .06));
  color: #e09510;
  font-size: 1.4rem;
}

.stat-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
}

.stat-label {
  color: var(--text-muted);
  margin-top: 8px;
  font-size: .95rem;
}

/* ==================== Sub Categories ==================== */
.sub-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.sub-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 30px 26px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.sub-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #f5a623, #ff7e5f);
  opacity: 0;
  transition: opacity .3s ease;
}

.sub-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(245, 166, 35, .3);
}

.sub-card:hover::before {
  opacity: 1;
}

.sub-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, #141b2d, #2a3a5c);
  color: #f5c46c;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 18px;
  transition: transform .3s ease;
}

.sub-card:hover .sub-icon {
  transform: scale(1.06);
}

.sub-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.sub-card p {
  font-size: .92rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.sub-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sub-tags span {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(245, 166, 35, .1);
  color: #d0890f;
  font-size: .8rem;
  font-weight: 600;
}

/* ==================== Game Cards ==================== */
#game-list,
#game-ranking {
  scroll-margin-top: 90px;
}

.game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.game-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.game-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.game-cover {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.game-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.game-card:hover .game-cover img {
  transform: scale(1.05);
}

.game-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(20, 27, 45, .85);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  color: #f5c46c;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: .76rem;
  font-weight: 700;
  border: 1px solid rgba(245, 166, 35, .3);
}

.game-info {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.game-info h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.game-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.game-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  background: rgba(20, 27, 45, .06);
  color: var(--primary);
  font-size: .78rem;
  font-weight: 600;
}

.game-rating {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: #e09510;
  font-size: .85rem;
  font-weight: 700;
}

.game-info p {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.game-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .9rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: auto;
  transition: var(--transition);
}

.game-link:hover {
  color: #f5a623;
  gap: 10px;
}

/* ==================== Service ==================== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 30px 26px;
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  width: 62px;
  height: 62px;
  margin: 0 auto 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #f5a623;
  background: rgba(245, 166, 35, .1);
  border: 1px solid rgba(245, 166, 35, .25);
  transition: transform .3s ease;
}

.service-card:hover .service-icon {
  transform: scale(1.08);
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.service-card p {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==================== Ranking ==================== */
.rank-list {
  max-width: 820px;
  margin: 0 auto;
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.rank-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  transition: background .3s ease;
}

.rank-item:last-child {
  border-bottom: none;
}

.rank-item:hover {
  background: rgba(245, 166, 35, .04);
}

.rank-num {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #141b2d, #2a3a5c);
  color: #f5c46c;
  font-size: 1.05rem;
  font-weight: 800;
  flex-shrink: 0;
}

.rank-item:first-child .rank-num {
  background: linear-gradient(135deg, #f5a623, #ff7e5f);
  color: #141b2d;
}

.rank-info {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.rank-info h3 {
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--text);
}

.rank-score {
  font-size: 1.2rem;
  font-weight: 800;
  color: #e09510;
  white-space: nowrap;
}

/* ==================== FAQ ==================== */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: rgba(245, 166, 35, .4);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  text-align: left;
  transition: color .3s ease;
}

.faq-question i {
  transition: transform .3s ease;
  color: var(--text-muted);
  font-size: .85rem;
  flex-shrink: 0;
}

.faq-item.active .faq-question {
  color: #e09510;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
  color: #e09510;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}

.faq-item.active .faq-answer {
  max-height: 240px;
}

.faq-answer p {
  padding: 0 22px 20px;
  color: var(--text-muted);
  font-size: .95rem;
  line-height: 1.8;
}

/* ==================== CTA ==================== */
.cta-section {
  padding: 80px 0 96px;
}

.cta-inner {
  position: relative;
  border-radius: 24px;
  padding: 64px 40px;
  text-align: center;
  background-size: cover;
  background-position: center;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .2);
  box-shadow: var(--shadow-lg);
}

.cta-inner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(10, 18, 38, .9), rgba(30, 42, 69, .82));
}

.cta-inner h2 {
  position: relative;
  z-index: 2;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
}

.cta-inner p {
  position: relative;
  z-index: 2;
  color: rgba(255, 255, 255, .85);
  font-size: 1.02rem;
  line-height: 1.8;
  max-width: 640px;
  margin: 0 auto 30px;
}

.cta-inner .btn {
  position: relative;
  z-index: 2;
}

/* ==================== Footer ==================== */
.site-footer {
  background: #0a1226;
  color: rgba(255, 255, 255, .75);
  padding: 70px 0 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.footer-brand h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand h3 i {
  color: #f5a623;
}

.footer-brand p {
  font-size: .95rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, .65);
  max-width: 350px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col h4 {
  color: #fff;
  font-size: 1.02rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.footer-col a {
  color: rgba(255, 255, 255, .62);
  font-size: .92rem;
  transition: var(--transition);
}

.footer-col a:hover {
  color: #f5a623;
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0;
  flex-wrap: wrap;
}

.footer-bottom p {
  color: rgba(255, 255, 255, .5);
  font-size: .85rem;
}

.footer-bottom .domain {
  color: rgba(255, 255, 255, .7);
  font-weight: 500;
}

/* ==================== Responsive ==================== */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sub-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .game-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .game-info p {
    -webkit-line-clamp: 3;
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --space-section: 64px;
  }

  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(13, 19, 32, .98);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform .35s ease, opacity .35s ease;
    pointer-events: none;
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav .nav-link {
    width: 100%;
    border-radius: 10px;
    padding: 12px 14px;
  }

  .page-banner {
    min-height: 420px;
    padding: 120px 0 64px;
  }

  .banner-actions {
    flex-wrap: wrap;
  }

  .section {
    padding: 64px 0;
  }

  .section-head {
    margin-bottom: 40px;
  }

  .rank-item {
    flex-wrap: wrap;
    gap: 12px;
  }

  .rank-info {
    flex: 1 1 auto;
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-bottom {
    justify-content: center;
    text-align: center;
  }

  .cta-inner {
    padding: 48px 28px;
  }
}

@media (max-width: 520px) {
  .stats-grid,
  .sub-grid,
  .service-grid,
  .game-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .banner-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .banner-actions .btn {
    width: 100%;
  }

  .site-logo {
    font-size: 1.05rem;
  }

  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: .95rem;
    border-radius: 10px;
  }

  .rank-item {
    padding: 16px;
  }

  .rank-score {
    font-size: 1rem;
  }
}

/* roulang page: category3 */
:root {
  --primary: #2d5bff;
  --primary-dark: #1e40e6;
  --primary-light: #e8eeff;
  --primary-soft: #f0f4ff;
  --accent: #ff9f43;
  --accent-dark: #f0813a;
  --accent-light: #fff4e8;
  --dark: #0f172a;
  --text: #1e293b;
  --muted: #64748b;
  --bg: #f6f8fc;
  --white: #ffffff;
  --border: #e2e8f0;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 10px rgba(15,23,42,.06);
  --shadow: 0 12px 30px rgba(15,23,42,.08);
  --shadow-lg: 0 24px 60px rgba(15,23,42,.12);
  --transition: .3s ease;
  --container: 1200px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif; font-size: 16px; line-height: 1.7; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }
ul, ol { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 28px; }

/* ===== Header & Nav ===== */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.92); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border-bottom: 1px solid rgba(226,232,240,.7); box-shadow: 0 2px 20px rgba(15,23,42,.04); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.brand { font-size: 1.5rem; font-weight: 800; color: var(--dark); display: flex; align-items: center; gap: 10px; letter-spacing: -0.5px; }
.brand i { color: var(--primary); font-size: 1.55rem; }
.brand span { background: linear-gradient(135deg, var(--primary), #6d8dff); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.main-nav { display: flex; align-items: center; gap: 6px; background: var(--bg); padding: 5px; border-radius: 100px; border: 1px solid var(--border); }
.main-nav .nav-link { display: inline-flex; align-items: center; gap: 7px; padding: 9px 22px; border-radius: 100px; font-size: .92rem; font-weight: 600; color: var(--muted); transition: all var(--transition); }
.main-nav .nav-link:hover { color: var(--primary); background: var(--primary-light); }
.main-nav .nav-link.active { color: #fff; background: linear-gradient(135deg, var(--primary), #4d6dff); box-shadow: 0 6px 18px rgba(45,91,255,.28); }
.header-cta { display: inline-flex; align-items: center; gap: 8px; padding: 10px 26px; border-radius: 100px; background: linear-gradient(135deg, var(--accent), #ffbb6d); color: #fff; font-weight: 700; font-size: .92rem; box-shadow: 0 6px 20px rgba(255,159,67,.35); transition: all var(--transition); }
.header-cta:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(255,159,67,.45); }
.menu-toggle { display: none; }

/* ===== Page Hero ===== */
.page-hero { position: relative; background: linear-gradient(135deg, #0c1d3f 0%, #122c5c 60%, #1a3d75 100%); overflow: hidden; color: #fff; }
.page-hero .bg-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .45; }
.page-hero .overlay { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(12,29,63,.92) 0%, rgba(12,29,63,.65) 45%, rgba(12,29,63,.35) 100%); }
.page-hero .hero-content { position: relative; z-index: 2; padding: 110px 0 100px; max-width: 720px; }
.page-hero .hero-tag { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,159,67,.25); color: #ffd7a8; border: 1px solid rgba(255,159,67,.4); padding: 6px 16px; border-radius: 100px; font-size: .82rem; font-weight: 600; letter-spacing: .5px; margin-bottom: 20px; }
.page-hero h1 { font-size: 2.8rem; font-weight: 800; line-height: 1.25; margin-bottom: 20px; letter-spacing: -1px; }
.page-hero h1 em { font-style: normal; color: var(--accent); }
.page-hero p { font-size: 1.08rem; color: rgba(255,255,255,.82); max-width: 600px; margin-bottom: 34px; }
.hero-btns { display: flex; flex-wrap: wrap; gap: 14px; }
.btn-primary { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 32px; border-radius: 100px; background: linear-gradient(135deg, var(--accent), #ffbb6d); color: #fff; font-weight: 700; font-size: .96rem; box-shadow: 0 8px 24px rgba(255,159,67,.4); transition: all var(--transition); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(255,159,67,.5); }
.btn-ghost { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 32px; border-radius: 100px; background: rgba(255,255,255,.1); color: #fff; border: 1px solid rgba(255,255,255,.35); font-weight: 600; font-size: .96rem; transition: all var(--transition); }
.btn-ghost:hover { background: rgba(255,255,255,.2); border-color: rgba(255,255,255,.6); }
.hero-stats { display: flex; gap: 36px; margin-top: 50px; padding-top: 34px; border-top: 1px solid rgba(255,255,255,.16); flex-wrap: wrap; }
.hero-stats .hs-item { display: flex; flex-direction: column; }
.hero-stats .hs-num { font-size: 1.5rem; font-weight: 800; color: #fff; }
.hero-stats .hs-num i { color: var(--accent); font-size: 1.1rem; margin-right: 4px; }
.hero-stats .hs-label { font-size: .82rem; color: rgba(255,255,255,.65); margin-top: 2px; }

/* ===== Section Common ===== */
.section { padding: 96px 0; }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 58px; }
.section-header .eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); font-weight: 700; font-size: .85rem; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 12px; }
.section-header .eyebrow .line { width: 30px; height: 2px; background: var(--primary); border-radius: 2px; }
.section-header h2 { font-size: 2.15rem; font-weight: 800; color: var(--dark); letter-spacing: -0.5px; line-height: 1.3; margin-bottom: 14px; }
.section-header p { color: var(--muted); font-size: 1rem; }

/* ===== Service Cards ===== */
.service-grid { background: var(--white); border-top: 1px solid var(--border); }
.service-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.service-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 26px; position: relative; overflow: hidden; transition: all var(--transition); box-shadow: var(--shadow-sm); }
.service-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--primary), var(--accent)); opacity: 0; transition: opacity var(--transition); }
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service-card:hover::before { opacity: 1; }
.service-card .icon-wrap { width: 58px; height: 58px; border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; background: var(--primary-soft); color: var(--primary); margin-bottom: 20px; transition: all var(--transition); }
.service-card:nth-child(2) .icon-wrap { background: var(--accent-light); color: var(--accent); }
.service-card:nth-child(3) .icon-wrap { background: #e6fbf2; color: #10b981; }
.service-card:nth-child(4) .icon-wrap { background: #f3e8ff; color: #8b5cf6; }
.service-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
.service-card p { color: var(--muted); font-size: .9rem; line-height: 1.65; margin-bottom: 18px; }
.service-card .card-link { display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-size: .88rem; font-weight: 600; transition: gap var(--transition); }
.service-card .card-link:hover { gap: 10px; color: var(--primary-dark); }

/* ===== Stats Block ===== */
.stats-section { background: linear-gradient(135deg, #0c1d3f 0%, #142c55 100%); padding: 84px 0; color: #fff; position: relative; }
.stats-section .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
.stats-section .stat-item { text-align: center; padding: 30px 20px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius); transition: all var(--transition); }
.stats-section .stat-item:hover { background: rgba(255,255,255,.12); transform: translateY(-4px); }
.stat-item .stat-icon { font-size: 1.8rem; color: var(--accent); margin-bottom: 12px; }
.stat-item .stat-num { font-size: 2.15rem; font-weight: 800; line-height: 1.2; }
.stat-item .stat-label { font-size: .88rem; color: rgba(255,255,255,.7); margin-top: 8px; }

/* ===== Process ===== */
.process-section { background: var(--white); }
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; position: relative; }
.process-steps::before { content: ""; position: absolute; top: 34px; left: 10%; right: 10%; height: 2px; background: linear-gradient(90deg, var(--primary-light), var(--primary), var(--accent)); z-index: 1; border-radius: 2px; }
.process-step { position: relative; z-index: 2; text-align: center; padding: 0 16px; }
.process-step .step-num { width: 68px; height: 68px; margin: 0 auto 18px; background: linear-gradient(135deg, var(--primary), #5b7bff); color: #fff; font-size: 1.4rem; font-weight: 800; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 10px 26px rgba(45,91,255,.35); border: 4px solid #fff; }
.process-step:nth-child(2) .step-num { background: linear-gradient(135deg, #06b6d4, #22d3ee); }
.process-step:nth-child(3) .step-num { background: linear-gradient(135deg, #10b981, #34d399); }
.process-step:nth-child(4) .step-num { background: linear-gradient(135deg, var(--accent), #ffbb6d); }
.process-step h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; color: var(--dark); }
.process-step p { font-size: .85rem; color: var(--muted); max-width: 220px; margin: 0 auto; }

/* ===== Feature Showcase ===== */
.feature-section { background: var(--bg); }
.feature-wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.feature-list { display: flex; flex-direction: column; gap: 28px; }
.feature-item { display: flex; gap: 18px; }
.feature-item .f-icon { width: 46px; height: 46px; min-width: 46px; border-radius: 12px; background: var(--primary-soft); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 1.05rem; }
.feature-item:nth-child(2) .f-icon { background: var(--accent-light); color: var(--accent); }
.feature-item:nth-child(3) .f-icon { background: #e6fbf2; color: #10b981; }
.feature-item h3 { font-size: 1.08rem; font-weight: 700; margin-bottom: 6px; color: var(--dark); }
.feature-item p { font-size: .9rem; color: var(--muted); line-height: 1.65; }
.feature-media { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.feature-media img { width: 100%; height: 100%; object-fit: cover; }
.feature-media .media-tag { position: absolute; top: 20px; left: 20px; background: rgba(15,23,42,.75); color: #fff; font-size: .78rem; font-weight: 600; padding: 6px 14px; border-radius: 100px; backdrop-filter: blur(8px); }

/* ===== FAQ ===== */
.faq-section { background: var(--white); }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 14px; overflow: hidden; transition: all var(--transition); background: var(--white); }
.faq-item:hover { border-color: var(--primary-light); box-shadow: var(--shadow-sm); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 26px; font-weight: 600; color: var(--dark); cursor: pointer; list-style: none; font-size: 1.02rem; transition: color var(--transition); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary i { color: var(--primary); transition: transform var(--transition); }
.faq-item[open] summary { color: var(--primary); }
.faq-item[open] summary i { transform: rotate(45deg); }
.faq-item .faq-body { padding: 0 26px 22px; color: var(--muted); font-size: .92rem; line-height: 1.7; }

/* ===== CTA ===== */
.cta-section { padding: 90px 0; background: linear-gradient(135deg, #ff9f43 0%, #ff7e5f 100%); position: relative; overflow: hidden; }
.cta-section::before { content: ""; position: absolute; width: 400px; height: 400px; border-radius: 50%; background: rgba(255,255,255,.12); top: -120px; right: -80px; }
.cta-section::after { content: ""; position: absolute; width: 260px; height: 260px; border-radius: 50%; background: rgba(255,255,255,.08); bottom: -80px; left: 60px; }
.cta-wrap { position: relative; z-index: 2; text-align: center; max-width: 640px; margin: 0 auto; color: #fff; }
.cta-wrap h2 { font-size: 2rem; font-weight: 800; margin-bottom: 16px; letter-spacing: -0.5px; }
.cta-wrap p { font-size: 1rem; margin-bottom: 32px; opacity: .95; }
.cta-btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 14px 40px; background: var(--dark); color: #fff; border-radius: 100px; font-weight: 700; font-size: .98rem; transition: all var(--transition); box-shadow: 0 10px 30px rgba(15,23,42,.2); }
.cta-btn:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(15,23,42,.3); }
.cta-sub { margin-top: 22px; font-size: .85rem; opacity: .8; }

/* ===== Footer ===== */
.site-footer { background: #0c1a33; color: rgba(255,255,255,.68); padding: 70px 0 0; }
.footer-content { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand h3 { color: #fff; font-size: 1.3rem; font-weight: 700; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.footer-brand h3 i { color: var(--accent); }
.footer-brand p { font-size: .9rem; line-height: 1.7; color: rgba(255,255,255,.58); max-width: 320px; }
.footer-col h4 { color: #fff; font-size: .98rem; font-weight: 700; margin-bottom: 18px; }
.footer-col a { display: block; color: rgba(255,255,255,.58); font-size: .88rem; padding: 5px 0; transition: color var(--transition), padding-left var(--transition); }
.footer-col a:hover { color: var(--accent); padding-left: 5px; }
.footer-bottom { padding: 24px 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.footer-bottom p { font-size: .82rem; color: rgba(255,255,255,.5); }
.footer-bottom .domain { color: rgba(255,255,255,.3); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .service-cards { grid-template-columns: repeat(2, 1fr); }
  .stats-section .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .process-steps::before { display: none; }
  .feature-wrap { grid-template-columns: 1fr; gap: 44px; }
  .footer-content { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .header-inner { height: auto; padding: 14px 0; flex-wrap: wrap; }
  .brand { font-size: 1.25rem; }
  .main-nav { order: 3; width: 100%; overflow-x: auto; justify-content: flex-start; border-radius: 14px; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .main-nav::-webkit-scrollbar { display: none; }
  .main-nav .nav-link { white-space: nowrap; padding: 8px 16px; font-size: .84rem; }
  .header-cta { display: none; }
  .page-hero .hero-content { padding: 70px 0; }
  .page-hero h1 { font-size: 2.1rem; }
  .hero-stats { gap: 20px; }
  .section { padding: 64px 0; }
  .section-header h2 { font-size: 1.6rem; }
  .service-cards { grid-template-columns: 1fr; }
  .stats-section .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stat-item .stat-num { font-size: 1.6rem; }
  .cta-wrap h2 { font-size: 1.5rem; }
}
@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .page-hero h1 { font-size: 1.7rem; }
  .page-hero p { font-size: .94rem; }
  .hero-btns .btn-primary, .hero-btns .btn-ghost { width: 100%; }
  .stats-section .stats-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .section-header h2 { font-size: 1.4rem; }
}