/* roulang page: index */
:root {
  --primary: #1a2b4a; --primary-light: #2d4373; --primary-dark: #112040;
  --accent: #c9a96e; --accent-light: #e5cfa1; --accent-dark: #a8854a;
  --bg: #f7f6f3; --white: #ffffff; --text: #1e293b; --text-weak: #6b7280;
  --border: #e5e7eb; --radius: 16px; --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(26,43,74,.08); --shadow-lg: 0 12px 40px rgba(26,43,74,.12);
  --transition: all .3s ease;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body { font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif; background:var(--bg); color:var(--text); line-height:1.75; font-size:16px; }
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
a { text-decoration:none; color:inherit; transition:var(--transition); }
img { max-width:100%; height:auto; display:block; }
button { cursor:pointer; border:none; background:none; font-family:inherit; }
input, select, textarea { font-family:inherit; }
.section { padding:72px 0; }
.section-head { text-align:center; max-width:640px; margin:0 auto 48px; }
.section-tag { display:inline-block; background:rgba(201,169,110,.15); color:var(--accent-dark); font-size:13px; font-weight:600; padding:6px 18px; border-radius:30px; letter-spacing:1px; margin-bottom:12px; }
.section-title { font-size:34px; font-weight:700; color:var(--primary); line-height:1.3; letter-spacing:-.5px; }
.section-sub { color:var(--text-weak); font-size:16px; margin-top:10px; }

.site-header { position:sticky; top:0; z-index:100; background:rgba(26,43,74,.95); backdrop-filter:blur(12px); border-bottom:1px solid rgba(255,255,255,.08); }
.site-header .container { display:flex; align-items:center; justify-content:space-between; height:72px; }
.logo { font-size:20px; font-weight:700; color:#fff; display:flex; align-items:center; gap:10px; }
.logo i { color:var(--accent); font-size:24px; }
.main-nav { display:flex; gap:6px; align-items:center; }
.main-nav a { color:rgba(255,255,255,.75); font-size:14px; font-weight:500; padding:8px 16px; border-radius:8px; transition:var(--transition); }
.main-nav a:hover { color:#fff; background:rgba(255,255,255,.1); }
.main-nav a.active { color:#fff; background:rgba(201,169,110,.2); }
.nav-cta { background:linear-gradient(135deg,var(--accent),var(--accent-dark)); color:#fff !important; padding:9px 22px !important; border-radius:8px; font-weight:600; }
.nav-cta:hover { transform:translateY(-2px); box-shadow:0 6px 20px rgba(201,169,110,.4); }
.menu-toggle { display:none; color:#fff; font-size:22px; padding:8px; }

.hero { position:relative; background:linear-gradient(135deg,rgba(26,43,74,.9),rgba(17,32,64,.75)),url('/assets/images/backpic/back-1.png') center/cover no-repeat; color:#fff; padding:100px 0 90px; }
.hero-content { max-width:680px; }
.hero h1 { font-size:46px; font-weight:800; line-height:1.25; letter-spacing:-1px; margin-bottom:18px; }
.hero h1 span { color:var(--accent); }
.hero p { font-size:17px; color:rgba(255,255,255,.85); margin-bottom:28px; }
.hero-badges { display:flex; gap:12px; flex-wrap:wrap; margin-bottom:32px; }
.hero-badge { display:flex; align-items:center; gap:8px; background:rgba(255,255,255,.12); padding:7px 16px; border-radius:30px; font-size:13px; font-weight:500; }
.hero-badge i { color:var(--accent); }
.hero-btns { display:flex; gap:14px; flex-wrap:wrap; }
.btn { display:inline-block; padding:13px 32px; border-radius:10px; font-weight:600; font-size:15px; transition:var(--transition); text-align:center; }
.btn-gold { background:linear-gradient(135deg,var(--accent),var(--accent-dark)); color:#fff; box-shadow:0 8px 24px rgba(201,169,110,.35); }
.btn-gold:hover { transform:translateY(-2px); box-shadow:0 12px 32px rgba(201,169,110,.5); }
.btn-outline { border:1px solid rgba(255,255,255,.4); color:#fff; }
.btn-outline:hover { background:rgba(255,255,255,.1); border-color:rgba(255,255,255,.7); }

.feature-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.feature-card { background:var(--white); border-radius:var(--radius); padding:34px 28px; border:1px solid rgba(0,0,0,.04); box-shadow:var(--shadow); transition:var(--transition); text-align:center; }
.feature-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-lg); }
.feature-icon { width:64px; height:64px; border-radius:18px; background:linear-gradient(135deg,rgba(201,169,110,.2),rgba(201,169,110,.08)); display:flex; align-items:center; justify-content:center; margin:0 auto 20px; color:var(--accent-dark); font-size:26px; }
.feature-card h3 { font-size:19px; font-weight:700; color:var(--primary); margin-bottom:10px; }
.feature-card p { font-size:14px; color:var(--text-weak); }

.cat-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.cat-card { background:var(--white); border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); transition:var(--transition); border:1px solid rgba(0,0,0,.04); }
.cat-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-lg); }
.cat-img { position:relative; height:180px; overflow:hidden; }
.cat-img img { width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.cat-card:hover .cat-img img { transform:scale(1.06); }
.cat-img::after { content:''; position:absolute; inset:0; background:linear-gradient(to top,rgba(17,32,64,.4),transparent); }
.cat-tag { position:absolute; top:14px; left:14px; background:rgba(201,169,110,.9); color:#fff; font-size:12px; font-weight:600; padding:4px 14px; border-radius:20px; z-index:2; }
.cat-body { padding:26px; }
.cat-body h3 { font-size:20px; color:var(--primary); margin-bottom:8px; font-weight:700; }
.cat-body p { font-size:14px; color:var(--text-weak); margin-bottom:16px; }
.cat-link { display:inline-flex; align-items:center; gap:6px; color:var(--accent-dark); font-weight:600; font-size:14px; }
.cat-link:hover { gap:10px; }

.list-section { background:var(--white); }
.list-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
.list-item { display:flex; gap:18px; padding:22px; border:1px solid var(--border); border-radius:var(--radius); background:var(--white); transition:var(--transition); }
.list-item:hover { border-color:var(--accent); box-shadow:var(--shadow); }
.list-date { flex-shrink:0; width:60px; text-align:center; background:var(--primary); color:#fff; border-radius:12px; padding:10px 0; height:fit-content; }
.list-date .day { font-size:20px; font-weight:700; line-height:1.2; }
.list-date .mon { font-size:11px; opacity:.8; }
.list-body h4 { font-size:16px; font-weight:600; color:var(--text); margin-bottom:4px; line-height:1.5; }
.list-body p { font-size:13px; color:var(--text-weak); display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.list-meta { font-size:12px; color:var(--text-weak); margin-top:6px; display:flex; gap:10px; }

.stats-section { background:linear-gradient(135deg,var(--primary),var(--primary-dark)); color:#fff; position:relative; overflow:hidden; }
.stats-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; text-align:center; }
.stat-num { font-size:40px; font-weight:800; color:var(--accent); line-height:1.3; }
.stat-label { font-size:14px; color:rgba(255,255,255,.7); margin-top:6px; }
.stat-section::before { content:''; position:absolute; width:300px; height:300px; border-radius:50%; background:rgba(255,255,255,.03); top:-100px; right:-80px; }

.process-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; counter-reset:step; }
.process-item { text-align:center; position:relative; padding:30px 16px; }
.process-item::before { counter-increment:step; content:counter(step); width:44px; height:44px; background:var(--primary); color:#fff; border-radius:50%; display:flex; align-items:center; justify-content:center; font-weight:700; font-size:18px; margin:0 auto 16px; box-shadow:0 6px 16px rgba(26,43,74,.25); }
.process-item h4 { font-size:17px; font-weight:600; color:var(--primary); margin-bottom:6px; }
.process-item p { font-size:13px; color:var(--text-weak); }

.faq-wrap { max-width:820px; margin:0 auto; }
.faq-item { border:1px solid var(--border); border-radius:14px; padding:0; margin-bottom:14px; background:var(--white); overflow:hidden; transition:var(--transition); }
.faq-item:hover { border-color:var(--accent); }
.faq-q { padding:20px 24px; font-weight:600; font-size:16px; color:var(--text); display:flex; justify-content:space-between; align-items:center; cursor:pointer; background:none; width:100%; text-align:left; }
.faq-q i { color:var(--accent); transition:var(--transition); }
.faq-item.open .faq-q i { transform:rotate(180deg); }
.faq-a { padding:0 24px; max-height:0; overflow:hidden; transition:max-height .4s ease; }
.faq-item.open .faq-a { max-height:300px; padding-bottom:20px; }
.faq-a p { font-size:14px; color:var(--text-weak); }

.cta-section { background:url('/assets/images/backpic/back-2.png') center/cover fixed no-repeat; position:relative; color:#fff; text-align:center; padding:100px 0; }
.cta-section::before { content:''; position:absolute; inset:0; background:rgba(26,43,74,.85); }
.cta-inner { position:relative; z-index:2; max-width:620px; margin:0 auto; }
.cta-inner h2 { font-size:36px; font-weight:800; margin-bottom:16px; }
.cta-inner p { color:rgba(255,255,255,.8); margin-bottom:28px; }

.site-footer { background:var(--primary-dark); color:rgba(255,255,255,.7); padding:60px 0 0; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr; gap:40px; padding-bottom:40px; }
.footer-brand .logo { font-size:22px; margin-bottom:14px; }
.footer-brand p { font-size:13px; max-width:280px; }
.footer-col h4 { color:#fff; font-size:16px; margin-bottom:14px; }
.footer-col a { display:block; font-size:13px; padding:5px 0; color:rgba(255,255,255,.6); }
.footer-col a:hover { color:var(--accent); padding-left:4px; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.08); padding:20px 0; text-align:center; font-size:12px; color:rgba(255,255,255,.4); }

.mobile-menu { display:none; position:fixed; top:72px; left:0; right:0; background:var(--primary); z-index:99; padding:20px; border-bottom:1px solid rgba(255,255,255,.1); }
.mobile-menu a { display:block; padding:12px 16px; color:rgba(255,255,255,.85); font-size:15px; border-radius:8px; }
.mobile-menu a:hover { background:rgba(255,255,255,.1); }
.mobile-menu a.active { background:rgba(201,169,110,.2); color:var(--accent); }

@media (max-width:1024px) {
  .feature-grid, .cat-grid { grid-template-columns:repeat(2,1fr); }
  .stats-grid { grid-template-columns:repeat(2,1fr); }
  .process-grid { grid-template-columns:repeat(2,1fr); }
  .list-grid { grid-template-columns:1fr; }
  .hero h1 { font-size:36px; }
}
@media (max-width:768px) {
  .main-nav { display:none; }
  .menu-toggle { display:block; }
  .mobile-menu.open { display:block; }
  .hero { padding:70px 0; }
  .hero h1 { font-size:30px; }
  .footer-grid { grid-template-columns:1fr; gap:24px; }
  .section { padding:50px 0; }
  .section-title { font-size:28px; }
}
@media (max-width:520px) {
  .feature-grid, .cat-grid, .process-grid { grid-template-columns:1fr; }
  .stats-grid { grid-template-columns:1fr; }
  .hero-btns { flex-direction:column; }
  .btn { width:100%; }
}

/* 图片装饰 */
.img-frame { border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow-lg); }
.img-frame img { transition:transform .5s ease; }

/* 分隔线 */
.divider { width:60px; height:3px; background:linear-gradient(90deg,var(--accent),var(--accent-light)); border-radius:2px; margin:16px auto 0; }

:root {
  --primary: #1a2b4a; --primary-light: #2d4373; --primary-dark: #112040;
  --accent: #c9a96e; --accent-light: #e5cfa1; --accent-dark: #a8854a;
  --bg: #f7f6f3; --white: #ffffff; --text: #1e293b; --text-weak: #6b7280;
  --border: #e5e7eb; --radius: 16px; --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(26,43,74,.08); --shadow-lg: 0 12px 40px rgba(26,43,74,.12);
  --transition: all .3s ease;
}
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif; background:var(--bg); color:var(--text); line-height:1.75; font-size:16px; }
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
a { text-decoration:none; color:inherit; transition:var(--transition); }
img { max-width:100%; height:auto; display:block; }
button { cursor:pointer; border:none; background:none; font-family:inherit; }
.section { padding:60px 0; }
.site-header { position:sticky; top:0; z-index:100; background:rgba(26,43,74,.95); backdrop-filter:blur(12px); border-bottom:1px solid rgba(255,255,255,.08); }
.site-header .container { display:flex; align-items:center; justify-content:space-between; height:72px; }
.logo { font-size:20px; font-weight:700; color:#fff; display:flex; align-items:center; gap:10px; }
.logo i { color:var(--accent); font-size:24px; }
.main-nav { display:flex; gap:6px; align-items:center; }
.main-nav a { color:rgba(255,255,255,.75); font-size:14px; font-weight:500; padding:8px 16px; border-radius:8px; transition:var(--transition); }
.main-nav a:hover { color:#fff; background:rgba(255,255,255,.1); }
.main-nav a.active { color:#fff; background:rgba(201,169,110,.2); }
.nav-cta { background:linear-gradient(135deg,var(--accent),var(--accent-dark)); color:#fff !important; padding:9px 22px !important; border-radius:8px; font-weight:600; }
.nav-cta:hover { transform:translateY(-2px); box-shadow:0 6px 20px rgba(201,169,110,.4); }
.menu-toggle { display:none; color:#fff; font-size:22px; padding:8px; }
.mobile-menu { display:none; position:fixed; top:72px; left:0; right:0; background:var(--primary); z-index:99; padding:20px; border-bottom:1px solid rgba(255,255,255,.1); }
.mobile-menu a { display:block; padding:12px 16px; color:rgba(255,255,255,.85); font-size:15px; border-radius:8px; }
.mobile-menu a:hover { background:rgba(255,255,255,.1); }
.mobile-menu a.active { background:rgba(201,169,110,.2); color:var(--accent); }

.breadcrumb { font-size:13px; color:var(--text-weak); padding:20px 0; }
.breadcrumb a:hover { color:var(--accent-dark); }
.breadcrumb .sep { margin:0 8px; color:var(--border); }

.article-head { padding:40px 0 24px; }
.article-head .cat-label { display:inline-block; background:rgba(201,169,110,.15); color:var(--accent-dark); font-size:13px; font-weight:600; padding:5px 16px; border-radius:20px; margin-bottom:14px; }
.article-head h1 { font-size:34px; font-weight:800; color:var(--primary); line-height:1.35; margin-bottom:12px; }
.article-meta { display:flex; gap:18px; color:var(--text-weak); font-size:13px; flex-wrap:wrap; }

.article-body { background:var(--white); border-radius:var(--radius); padding:40px 44px; box-shadow:var(--shadow); border:1px solid rgba(0,0,0,.04); }
.article-body .lead { font-size:17px; color:var(--primary); line-height:1.8; border-left:3px solid var(--accent); padding-left:16px; margin-bottom:24px; font-weight:500; }
.article-body h2 { font-size:24px; color:var(--primary); margin:36px 0 14px; padding-top:16px; border-top:1px solid var(--border); }
.article-body p { font-size:15px; color:#4a5568; margin-bottom:16px; }
.article-body ul { margin:0 0 16px 20px; }
.article-body li { font-size:15px; color:#4a5568; margin-bottom:6px; }
.article-cover { border-radius:var(--radius); overflow:hidden; margin-bottom:24px; }

.not-found { text-align:center; padding:80px 20px; background:var(--white); border-radius:var(--radius); box-shadow:var(--shadow); }
.not-found i { font-size:48px; color:var(--accent); margin-bottom:16px; }
.not-found h2 { font-size:24px; color:var(--primary); margin-bottom:8px; }
.not-found a { color:var(--accent-dark); font-weight:600; }

.back-link { display:inline-flex; align-items:center; gap:8px; color:var(--primary); font-weight:600; margin-bottom:20px; }
.back-link:hover { gap:12px; color:var(--accent-dark); }

.cta-section { background:url('/assets/images/backpic/back-3.png') center/cover fixed no-repeat; position:relative; color:#fff; text-align:center; padding:80px 0; }
.cta-section::before { content:''; position:absolute; inset:0; background:rgba(26,43,74,.85); }
.cta-inner { position:relative; z-index:2; max-width:620px; margin:0 auto; }
.cta-inner h2 { font-size:32px; font-weight:800; margin-bottom:12px; }
.cta-inner p { color:rgba(255,255,255,.8); margin-bottom:24px; }
.btn { display:inline-block; padding:13px 32px; border-radius:10px; font-weight:600; font-size:15px; transition:var(--transition); text-align:center; }
.btn-gold { background:linear-gradient(135deg,var(--accent),var(--accent-dark)); color:#fff; box-shadow:0 8px 24px rgba(201,169,110,.35); }
.btn-gold:hover { transform:translateY(-2px); box-shadow:0 12px 32px rgba(201,169,110,.5); }

.site-footer { background:var(--primary-dark); color:rgba(255,255,255,.7); padding:60px 0 0; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr; gap:40px; padding-bottom:40px; }
.footer-brand .logo { font-size:22px; margin-bottom:14px; }
.footer-brand p { font-size:13px; max-width:280px; }
.footer-col h4 { color:#fff; font-size:16px; margin-bottom:14px; }
.footer-col a { display:block; font-size:13px; padding:5px 0; color:rgba(255,255,255,.6); }
.footer-col a:hover { color:var(--accent); padding-left:4px; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.08); padding:20px 0; text-align:center; font-size:12px; color:rgba(255,255,255,.4); }

@media (max-width:768px) {
  .main-nav { display:none; } .menu-toggle { display:block; } .mobile-menu.open { display:block; }
  .article-body { padding:24px 20px; } .article-head h1 { font-size:26px; }
  .footer-grid { grid-template-columns:1fr; gap:24px; } .section { padding:40px 0; }
}
@media (max-width:520px) {
  .article-head h1 { font-size:22px; } .breadcrumb { font-size:12px; }
}

:root {
  --primary: #1a2b4a; --primary-light: #2d4373; --primary-dark: #112040;
  --accent: #c9a96e; --accent-light: #e5cfa1; --accent-dark: #a8854a;
  --bg: #f7f6f3; --white: #ffffff; --text: #1e293b; --text-weak: #6b7280;
  --border: #e5e7eb; --radius: 16px; --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(26,43,74,.08); --shadow-lg: 0 12px 40px rgba(26,43,74,.12);
  --transition: all .3s ease;
}
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif; background:var(--bg); color:var(--text); line-height:1.75; font-size:16px; }
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
a { text-decoration:none; color:inherit; transition:var(--transition); }
img { max-width:100%; height:auto; display:block; }
button { cursor:pointer; border:none; background:none; font-family:inherit; }
.section { padding:64px 0; }
.section-head { text-align:center; max-width:640px; margin:0 auto 44px; }
.section-tag { display:inline-block; background:rgba(201,169,110,.15); color:var(--accent-dark); font-size:13px; font-weight:600; padding:6px 18px; border-radius:30px; margin-bottom:12px; }
.section-title { font-size:32px; font-weight:700; color:var(--primary); line-height:1.3; }
.divider { width:60px; height:3px; background:linear-gradient(90deg,var(--accent),var(--accent-light)); border-radius:2px; margin:16px auto 0; }
.section-sub { color:var(--text-weak); font-size:15px; margin-top:10px; }
.site-header { position:sticky; top:0; z-index:100; background:rgba(26,43,74,.95); backdrop-filter:blur(12px); border-bottom:1px solid rgba(255,255,255,.08); }
.site-header .container { display:flex; align-items:center; justify-content:space-between; height:72px; }
.logo { font-size:20px; font-weight:700; color:#fff; display:flex; align-items:center; gap:10px; }
.logo i { color:var(--accent); font-size:24px; }
.main-nav { display:flex; gap:6px; align-items:center; }
.main-nav a { color:rgba(255,255,255,.75); font-size:14px; font-weight:500; padding:8px 16px; border-radius:8px; transition:var(--transition); }
.main-nav a:hover { color:#fff; background:rgba(255,255,255,.1); }
.main-nav a.active { color:#fff; background:rgba(201,169,110,.2); }
.nav-cta { background:linear-gradient(135deg,var(--accent),var(--accent-dark)); color:#fff !important; padding:9px 22px !important; border-radius:8px; font-weight:600; }
.menu-toggle { display:none; color:#fff; font-size:22px; padding:8px; }
.mobile-menu { display:none; position:fixed; top:72px; left:0; right:0; background:var(--primary); z-index:99; padding:20px; border-bottom:1px solid rgba(255,255,255,.1); }
.mobile-menu a { display:block; padding:12px 16px; color:rgba(255,255,255,.85); font-size:15px; border-radius:8px; }
.mobile-menu a.active { background:rgba(201,169,110,.2); color:var(--accent); }
.page-banner { position:relative; background:url('/assets/images/backpic/back-1.png') center/cover no-repeat; padding:80px 0 60px; color:#fff; }
.page-banner::before { content:''; position:absolute; inset:0; background:linear-gradient(135deg,rgba(26,43,74,.9),rgba(17,32,64,.7)); }
.page-banner .container { position:relative; z-index:2; }
.page-banner h1 { font-size:36px; font-weight:800; margin-bottom:10px; }
.page-banner p { color:rgba(255,255,255,.8); max-width:600px; }
.breadcrumb { font-size:13px; color:rgba(255,255,255,.6); margin-bottom:16px; }
.breadcrumb a:hover { color:var(--accent); }

.step-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.step-card { background:var(--white); border-radius:var(--radius); padding:30px 24px; box-shadow:var(--shadow); border:1px solid rgba(0,0,0,.04); text-align:center; transition:var(--transition); }
.step-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-lg); }
.step-num { width:48px; height:48px; background:var(--primary); color:#fff; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:20px; font-weight:700; margin:0 auto 16px; }
.step-card h3 { font-size:18px; font-weight:600; color:var(--primary); margin-bottom:8px; }
.step-card p { font-size:13px; color:var(--text-weak); }

.tip-list { display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.tip-item { display:flex; gap:14px; background:var(--white); border-radius:14px; padding:22px; border:1px solid var(--border); transition:var(--transition); }
.tip-item:hover { border-color:var(--accent); box-shadow:var(--shadow); }
.tip-item i { color:var(--accent); font-size:20px; flex-shrink:0; margin-top:2px; }
.tip-item h4 { font-size:15px; font-weight:600; color:var(--primary); margin-bottom:4px; }
.tip-item p { font-size:13px; color:var(--text-weak); }

.list-grid2 { display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
.post-card { background:var(--white); border-radius:14px; padding:24px; border:1px solid var(--border); transition:var(--transition); }
.post-card:hover { border-color:var(--accent); box-shadow:var(--shadow); }
.post-card .post-date { font-size:12px; color:var(--text-weak); margin-bottom:8px; }
.post-card h3 { font-size:16px; font-weight:600; color:var(--text); margin-bottom:6px; }
.post-card p { font-size:13px; color:var(--text-weak); }

.faq-item { border:1px solid var(--border); border-radius:14px; margin-bottom:12px; background:var(--white); overflow:hidden; }
.faq-q { padding:18px 22px; font-weight:600; font-size:15px; display:flex; justify-content:space-between; align-items:center; cursor:pointer; width:100%; text-align:left; }
.faq-q i { color:var(--accent); transition:var(--transition); }
.faq-item.open .faq-q i { transform:rotate(180deg); }
.faq-a { padding:0 22px; max-height:0; overflow:hidden; transition:max-height .4s ease; }
.faq-item.open .faq-a { max-height:300px; padding-bottom:18px; }
.faq-a p { font-size:14px; color:var(--text-weak); }

.cta-section { background:url('/assets/images/backpic/back-2.png') center/cover fixed no-repeat; position:relative; color:#fff; text-align:center; padding:80px 0; }
.cta-section::before { content:''; position:absolute; inset:0; background:rgba(26,43,74,.85); }
.cta-inner { position:relative; z-index:2; max-width:620px; margin:0 auto; }
.cta-inner h2 { font-size:32px; font-weight:800; margin-bottom:12px; }
.cta-inner p { color:rgba(255,255,255,.8); margin-bottom:24px; }
.btn { display:inline-block; padding:13px 32px; border-radius:10px; font-weight:600; font-size:15px; transition:var(--transition); text-align:center; }
.btn-gold { background:linear-gradient(135deg,var(--accent),var(--accent-dark)); color:#fff; box-shadow:0 8px 24px rgba(201,169,110,.35); }
.btn-gold:hover { transform:translateY(-2px); box-shadow:0 12px 32px rgba(201,169,110,.5); }
.btn-outline { border:1px solid rgba(255,255,255,.4); color:#fff; }
.btn-outline:hover { background:rgba(255,255,255,.1); }

.site-footer { background:var(--primary-dark); color:rgba(255,255,255,.7); padding:60px 0 0; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr; gap:40px; padding-bottom:40px; }
.footer-brand .logo { font-size:22px; margin-bottom:14px; }
.footer-brand p { font-size:13px; max-width:280px; }
.footer-col h4 { color:#fff; font-size:16px; margin-bottom:14px; }
.footer-col a { display:block; font-size:13px; padding:5px 0; color:rgba(255,255,255,.6); }
.footer-col a:hover { color:var(--accent); padding-left:4px; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.08); padding:20px 0; text-align:center; font-size:12px; color:rgba(255,255,255,.4); }
@media (max-width:1024px) { .step-grid, .tip-list, .list-grid2 { grid-template-columns:1fr 1fr; } }
@media (max-width:768px) {
  .main-nav { display:none; } .menu-toggle { display:block; } .mobile-menu.open { display:block; }
  .step-grid, .tip-list, .list-grid2 { grid-template-columns:1fr; }
  .page-banner h1 { font-size:28px; } .footer-grid { grid-template-columns:1fr; gap:24px; }
}

:root {
  --primary: #1a2b4a; --primary-light: #2d4373; --primary-dark: #112040;
  --accent: #c9a96e; --accent-light: #e5cfa1; --accent-dark: #a8854a;
  --bg: #f7f6f3; --white: #ffffff; --text: #1e293b; --text-weak: #6b7280;
  --border: #e5e7eb; --radius: 16px; --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(26,43,74,.08); --shadow-lg: 0 12px 40px rgba(26,43,74,.12);
  --transition: all .3s ease;
}
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif; background:var(--bg); color:var(--text); line-height:1.75; font-size:16px; }
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
a { text-decoration:none; color:inherit; transition:var(--transition); }
img { max-width:100%; height:auto; display:block; }
button { cursor:pointer; border:none; background:none; font-family:inherit; }
.section { padding:64px 0; }
.section-head { text-align:center; max-width:640px; margin:0 auto 44px; }
.section-tag { display:inline-block; background:rgba(201,169,110,.15); color:var(--accent-dark); font-size:13px; font-weight:600; padding:6px 18px; border-radius:30px; margin-bottom:12px; }
.section-title { font-size:32px; font-weight:700; color:var(--primary); line-height:1.3; }
.divider { width:60px; height:3px; background:linear-gradient(90deg,var(--accent),var(--accent-light)); border-radius:2px; margin:16px auto 0; }
.section-sub { color:var(--text-weak); font-size:15px; margin-top:10px; }
.site-header { position:sticky; top:0; z-index:100; background:rgba(26,43,74,.95); backdrop-filter:blur(12px); border-bottom:1px solid rgba(255,255,255,.08); }
.site-header .container { display:flex; align-items:center; justify-content:space-between; height:72px; }
.logo { font-size:20px; font-weight:700; color:#fff; display:flex; align-items:center; gap:10px; }
.logo i { color:var(--accent); font-size:24px; }
.main-nav { display:flex; gap:6px; align-items:center; }
.main-nav a { color:rgba(255,255,255,.75); font-size:14px; font-weight:500; padding:8px 16px; border-radius:8px; transition:var(--transition); }
.main-nav a:hover { color:#fff; background:rgba(255,255,255,.1); }
.main-nav a.active { color:#fff; background:rgba(201,169,110,.2); }
.nav-cta { background:linear-gradient(135deg,var(--accent),var(--accent-dark)); color:#fff !important; padding:9px 22px !important; border-radius:8px; font-weight:600; }
.menu-toggle { display:none; color:#fff; font-size:22px; padding:8px; }
.mobile-menu { display:none; position:fixed; top:72px; left:0; right:0; background:var(--primary); z-index:99; padding:20px; border-bottom:1px solid rgba(255,255,255,.1); }
.mobile-menu a { display:block; padding:12px 16px; color:rgba(255,255,255,.85); font-size:15px; border-radius:8px; }
.mobile-menu a.active { background:rgba(201,169,110,.2); color:var(--accent); }
.page-banner { position:relative; background:url('/assets/images/backpic/back-3.png') center/cover no-repeat; padding:80px 0 60px; color:#fff; }
.page-banner::before { content:''; position:absolute; inset:0; background:linear-gradient(135deg,rgba(26,43,74,.9),rgba(17,32,64,.7)); }
.page-banner .container { position:relative; z-index:2; }
.page-banner h1 { font-size:36px; font-weight:800; margin-bottom:10px; }
.page-banner p { color:rgba(255,255,255,.8); max-width:600px; }
.breadcrumb { font-size:13px; color:rgba(255,255,255,.6); margin-bottom:16px; }
.breadcrumb a:hover { color:var(--accent); }
.game-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.game-card { background:var(--white); border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); border:1px solid rgba(0,0,0,.04); transition:var(--transition); }
.game-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-lg); }
.game-img { position:relative; height:160px; overflow:hidden; }
.game-img img { width:100%; height:100%; object-fit:cover; transition:transform .5s; }
.game-card:hover .game-img img { transform:scale(1.06); }
.game-rank { position:absolute; top:12px; left:12px; background:var(--primary); color:#fff; width:32px; height:32px; border-radius:8px; display:flex; align-items:center; justify-content:center; font-weight:700; font-size:14px; z-index:2; }
.game-body { padding:22px; }
.game-body h3 { font-size:18px; font-weight:700; color:var(--text); margin-bottom:6px; }
.game-body p { font-size:13px; color:var(--text-weak); }
.game-tags { display:flex; gap:8px; flex-wrap:wrap; margin-top:12px; }
.game-tags span { background:rgba(201,169,110,.12); color:var(--accent-dark); font-size:12px; font-weight:500; padding:3px 12px; border-radius:14px; }
.feature-banner { display:grid; grid-template-columns:1fr 1fr; gap:28px; align-items:center; background:var(--white); border-radius:var(--radius); padding:28px; box-shadow:var(--shadow); }
.feature-banner img { border-radius:12px; height:100%; object-fit:cover; }
.feature-banner h3 { font-size:22px; color:var(--primary); margin-bottom:10px; }
.feature-banner p { font-size:14px; color:var(--text-weak); }
.list-grid2 { display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
.post-card { background:var(--white); border-radius:14px; padding:24px; border:1px solid var(--border); transition:var(--transition); }
.post-card:hover { border-color:var(--accent); box-shadow:var(--shadow); }
.post-card .post-date { font-size:12px; color:var(--text-weak); margin-bottom:8px; }
.post-card h3 { font-size:16px; font-weight:600; margin-bottom:6px; }
.post-card p { font-size:13px; color:var(--text-weak); }
.cta-section { background:url('/assets/images/backpic/back-1.png') center/cover fixed no-repeat; position:relative; color:#fff; text-align:center; padding:80px 0; }
.cta-section::before { content:''; position:absolute; inset:0; background:rgba(26,43,74,.85); }
.cta-inner { position:relative; z-index:2; max-width:620px; margin:0 auto; }
.cta-inner h2 { font-size:32px; font-weight:800; margin-bottom:12px; }
.cta-inner p { color:rgba(255,255,255,.8); margin-bottom:24px; }
.btn { display:inline-block; padding:13px 32px; border-radius:10px; font-weight:600; font-size:15px; transition:var(--transition); text-align:center; }
.btn-gold { background:linear-gradient(135deg,var(--accent),var(--accent-dark)); color:#fff; box-shadow:0 8px 24px rgba(201,169,110,.35); }
.btn-gold:hover { transform:translateY(-2px); box-shadow:0 12px 32px rgba(201,169,110,.5); }
.site-footer { background:var(--primary-dark); color:rgba(255,255,255,.7); padding:60px 0 0; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr; gap:40px; padding-bottom:40px; }
.footer-brand .logo { font-size:22px; margin-bottom:14px; }
.footer-brand p { font-size:13px; max-width:280px; }
.footer-col h4 { color:#fff; font-size:16px; margin-bottom:14px; }
.footer-col a { display:block; font-size:13px; padding:5px 0; color:rgba(255,255,255,.6); }
.footer-col a:hover { color:var(--accent); padding-left:4px; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.08); padding:20px 0; text-align:center; font-size:12px; color:rgba(255,255,255,.4); }
@media (max-width:1024px) { .game-grid { grid-template-columns:repeat(2,1fr); } .feature-banner { grid-template-columns:1fr; } }
@media (max-width:768px) {
  .main-nav { display:none; } .menu-toggle { display:block; } .mobile-menu.open { display:block; }
  .game-grid, .list-grid2 { grid-template-columns:1fr; }
  .page-banner h1 { font-size:28px; } .footer-grid { grid-template-columns:1fr; gap:24px; }
}

:root {
  --primary: #1a2b4a; --primary-light: #2d4373; --primary-dark: #112040;
  --accent: #c9a96e; --accent-light: #e5cfa1; --accent-dark: #a8854a;
  --bg: #f7f6f3; --white: #ffffff; --text: #1e293b; --text-weak: #6b7280;
  --border: #e5e7eb; --radius: 16px; --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(26,43,74,.08); --shadow-lg: 0 12px 40px rgba(26,43,74,.12);
  --transition: all .3s ease;
}
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif; background:var(--bg); color:var(--text); line-height:1.75; font-size:16px; }
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
a { text-decoration:none; color:inherit; transition:var(--transition); }
img { max-width:100%; height:auto; display:block; }
button { cursor:pointer; border:none; background:none; font-family:inherit; }
.section { padding:64px 0; }
.section-head { text-align:center; max-width:640px; margin:0 auto 44px; }
.section-tag { display:inline-block; background:rgba(201,169,110,.15); color:var(--accent-dark); font-size:13px; font-weight:600; padding:6px 18px; border-radius:30px; margin-bottom:12px; }
.section-title { font-size:32px; font-weight:700; color:var(--primary); line-height:1.3; }
.divider { width:60px; height:3px; background:linear-gradient(90deg,var(--accent),var(--accent-light)); border-radius:2px; margin:16px auto 0; }
.section-sub { color:var(--text-weak); font-size:15px; margin-top:10px; }
.site-header { position:sticky; top:0; z-index:100; background:rgba(26,43,74,.95); backdrop-filter:blur(12px); border-bottom:1px solid rgba(255,255,255,.08); }
.site-header .container { display:flex; align-items:center; justify-content:space-between; height:72px; }
.logo { font-size:20px; font-weight:700; color:#fff; display:flex; align-items:center; gap:10px; }
.logo i { color:var(--accent); font-size:24px; }
.main-nav { display:flex; gap:6px; align-items:center; }
.main-nav a { color:rgba(255,255,255,.75); font-size:14px; font-weight:500; padding:8px 16px; border-radius:8px; transition:var(--transition); }
.main-nav a:hover { color:#fff; background:rgba(255,255,255,.1); }
.main-nav a.active { color:#fff; background:rgba(201,169,110,.2); }
.nav-cta { background:linear-gradient(135deg,var(--accent),var(--accent-dark)); color:#fff !important; padding:9px 22px !important; border-radius:8px; font-weight:600; }
.menu-toggle { display:none; color:#fff; font-size:22px; padding:8px; }
.mobile-menu { display:none; position:fixed; top:72px; left:0; right:0; background:var(--primary); z-index:99; padding:20px; border-bottom:1px solid rgba(255,255,255,.1); }
.mobile-menu a { display:block; padding:12px 16px; color:rgba(255,255,255,.85); font-size:15px; border-radius:8px; }
.mobile-menu a.active { background:rgba(201,169,110,.2); color:var(--accent); }
.page-banner { position:relative; background:url('/assets/images/backpic/back-2.png') center/cover no-repeat; padding:80px 0 60px; color:#fff; }
.page-banner::before { content:''; position:absolute; inset:0; background:linear-gradient(135deg,rgba(26,43,74,.9),rgba(17,32,64,.7)); }
.page-banner .container { position:relative; z-index:2; }
.page-banner h1 { font-size:36px; font-weight:800; margin-bottom:10px; }
.page-banner p { color:rgba(255,255,255,.8); max-width:600px; }
.breadcrumb { font-size:13px; color:rgba(255,255,255,.6); margin-bottom:16px; }
.breadcrumb a:hover { color:var(--accent); }
.promo-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:26px; }
.promo-card { background:var(--white); border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); border:1px solid rgba(0,0,0,.04); transition:var(--transition); display:flex; flex-direction:column; }
.promo-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-lg); }
.promo-img { position:relative; height:180px; overflow:hidden; }
.promo-img img { width:100%; height:100%; object-fit:cover; transition:transform .5s; }
.promo-card:hover .promo-img img { transform:scale(1.05); }
.promo-badge { position:absolute; top:14px; left:14px; background:linear-gradient(135deg,var(--accent),var(--accent-dark)); color:#fff; font-size:12px; font-weight:600; padding:5px 16px; border-radius:20px; }
.promo-body { padding:24px; flex:1; display:flex; flex-direction:column; }
.promo-body h3 { font-size:19px; font-weight:700; color:var(--text); margin-bottom:8px; }
.promo-body p { font-size:13px; color:var(--text-weak); flex:1; }
.promo-meta { margin-top:16px; display:flex; justify-content:space-between; align-items:center; font-size:13px; color:var(--text-weak); }
.promo-btn { background:var(--primary); color:#fff; padding:8px 20px; border-radius:8px; font-size:13px; font-weight:600; }
.promo-btn:hover { background:var(--primary-light); transform:translateY(-2px); }
.rule-box { background:var(--primary); border-radius:var(--radius); padding:34px; color:rgba(255,255,255,.9); margin-top:40px; }
.rule-box h3 { color:var(--accent); font-size:20px; margin-bottom:14px; }
.rule-box ol { padding-left:20px; }
.rule-box li { font-size:14px; margin-bottom:6px; color:rgba(255,255,255,.8); }
.list-grid2 { display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
.post-card { background:var(--white); border-radius:14px; padding:24px; border:1px solid var(--border); transition:var(--transition); }
.post-card:hover { border-color:var(--accent); box-shadow:var(--shadow); }
.post-card .post-date { font-size:12px; color:var(--text-weak); margin-bottom:8px; }
.post-card h3 { font-size:16px; font-weight:600; margin-bottom:6px; }
.post-card p { font-size:13px; color:var(--text-weak); }
.cta-section { background:url('/assets/images/backpic/back-1.png') center/cover fixed no-repeat; position:relative; color:#fff; text-align:center; padding:80px 0; }
.cta-section::before { content:''; position:absolute; inset:0; background:rgba(26,43,74,.85); }
.cta-inner { position:relative; z-index:2; max-width:620px; margin:0 auto; }
.cta-inner h2 { font-size:32px; font-weight:800; margin-bottom:12px; }
.cta-inner p { color:rgba(255,255,255,.8); margin-bottom:24px; }
.btn { display:inline-block; padding:13px 32px; border-radius:10px; font-weight:600; font-size:15px; transition:var(--transition); text-align:center; }
.btn-gold { background:linear-gradient(135deg,var(--accent),var(--accent-dark)); color:#fff; box-shadow:0 8px 24px rgba(201,169,110,.35); }
.btn-gold:hover { transform:translateY(-2px); box-shadow:0 12px 32px rgba(201,169,110,.5); }
.site-footer { background:var(--primary-dark); color:rgba(255,255,255,.7); padding:60px 0 0; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr; gap:40px; padding-bottom:40px; }
.footer-brand .logo { font-size:22px; margin-bottom:14px; }
.footer-brand p { font-size:13px; max-width:280px; }
.footer-col h4 { color:#fff; font-size:16px; margin-bottom:14px; }
.footer-col a { display:block; font-size:13px; padding:5px 0; color:rgba(255,255,255,.6); }
.footer-col a:hover { color:var(--accent); padding-left:4px; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.08); padding:20px 0; text-align:center; font-size:12px; color:rgba(255,255,255,.4); }
@media (max-width:1024px) { .promo-grid { grid-template-columns:1fr; } }
@media (max-width:768px) {
  .main-nav { display:none; } .menu-toggle { display:block; } .mobile-menu.open { display:block; }
  .promo-grid, .list-grid2 { grid-template-columns:1fr; }
  .page-banner h1 { font-size:28px; } .footer-grid { grid-template-columns:1fr; gap:24px; }
}

/* roulang page: article */
:root {
    --primary: #1e3a8a;
    --primary-light: #3b82f6;
    --primary-dark: #172554;
    --accent: #d4af37;
    --accent-light: #fbbf24;
    --bg: #f8fafc;
    --bg-deep: #0f172a;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --white: #ffffff;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 24px 50px -12px rgba(0, 0, 0, 0.15);
    --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  }

  * { box-sizing: border-box; }

  html {
    scroll-behavior: smooth;
  }

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

  a {
    color: inherit;
    text-decoration: none;
    transition: all 0.2s ease;
  }

  img { max-width: 100%; display: block; }
  button:focus, input:focus, a:focus { outline: 2px solid var(--primary-light); outline-offset: 2px; }

  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
  }

  /* ===== Header & Navigation ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
    gap: 24px;
  }

  .logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.4px;
    white-space: nowrap;
  }

  .logo i {
    color: var(--accent);
    margin-right: 6px;
  }

  .main-nav {
    display: flex;
    align-items: center;
    gap: 6px;
  }

  .main-nav a {
    padding: 10px 18px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-muted);
    transition: all 0.2s ease;
    white-space: nowrap;
  }

  .main-nav a:hover {
    color: var(--primary);
    background: #eef2ff;
  }

  .main-nav a.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 8px 20px -8px var(--primary);
  }

  .main-nav a.nav-cta {
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    color: var(--primary-dark);
    font-weight: 700;
    box-shadow: 0 10px 20px -8px rgba(212,175,55,0.5);
    margin-left: 8px;
  }

  .main-nav a.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 28px -8px rgba(212,175,55,0.6);
  }

  .mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 26px;
    color: var(--primary);
    cursor: pointer;
    padding: 4px 8px;
  }

  @media (max-width: 1024px) {
    .mobile-toggle { display: block; }
    .main-nav {
      display: none;
      position: absolute;
      top: 76px;
      left: 0;
      right: 0;
      background: var(--white);
      flex-direction: column;
      align-items: stretch;
      padding: 16px 24px 24px;
      border-bottom: 1px solid var(--border);
      box-shadow: var(--shadow-lg);
      border-radius: 0 0 20px 20px;
    }
    .main-nav.open { display: flex; }
    .main-nav a { border-radius: 12px; padding: 14px 20px; }
    .main-nav a.nav-cta { margin-left: 0; margin-top: 10px; text-align: center; }
  }

  @media (max-width: 640px) {
    .logo { font-size: 20px; }
    .header-inner { height: 68px; }
  }

  /* ===== Button components ===== */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 16px;
    padding: 14px 32px;
    border: none;
    cursor: pointer;
    transition: all 0.25s ease;
  }

  .btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 12px 24px -10px var(--primary);
  }
  .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }

  .btn-accent {
    background: linear-gradient(135deg, #fbbf24, #d4af37);
    color: var(--primary-dark);
    box-shadow: 0 12px 24px -10px rgba(212,175,55,0.45);
  }
  .btn-accent:hover { transform: translateY(-2px); box-shadow: 0 16px 30px -10px rgba(212,175,55,0.6); }

  .btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
  }
  .btn-outline:hover { background: var(--primary); color: #fff; }

  /* ===== Article Hero ===== */
  .article-hero {
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    padding: 80px 0 64px;
    position: relative;
    text-align: center;
  }

  .article-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(15,23,42,0.75), rgba(30,58,138,0.55));
    backdrop-filter: brightness(0.7);
  }

  .article-hero > .container {
    position: relative;
    z-index: 1;
  }

  .hero-breadcrumb {
    display: inline-flex;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(255,255,255,0.12);
    border-radius: 999px;
    font-size: 14px;
    color: rgba(255,255,255,0.9);
    border: 1px solid rgba(255,255,255,0.2);
    margin-bottom: 28px;
  }

  .article-hero h1 {
    font-size: 46px;
    font-weight: 900;
    color: #fff;
    line-height: 1.25;
    max-width: 900px;
    margin: 0 auto 20px;
    text-shadow: 0 4px 20px rgba(0,0,0,0.2);
  }

  .article-hero .hero-meta {
    display: flex;
    justify-content: center;
    gap: 24px;
    color: rgba(255,255,255,0.85);
    font-size: 15px;
    flex-wrap: wrap;
  }

  .hero-meta span { display: inline-flex; align-items: center; gap: 6px; }

  @media (max-width: 768px) {
    .article-hero { padding: 56px 0 40px; }
    .article-hero h1 { font-size: 30px; }
  }

  /* ===== Article Body ===== */
  .article-section {
    padding: 72px 0;
  }

  .article-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 48px;
    align-items: start;
  }

  @media (max-width: 1024px) {
    .article-layout { grid-template-columns: 1fr; }
  }

  .article-card {
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 40px;
  }

  .article-card .entry-content {
    font-size: 17px;
    line-height: 1.9;
    color: #334155;
  }

  .entry-content h2,
  .entry-content h3 {
    margin-top: 2em;
    margin-bottom: 0.8em;
    color: var(--primary-dark);
    font-weight: 800;
  }

  .entry-content p { margin-bottom: 1.5em; }
  .entry-content ul, .entry-content ol { margin: 1em 0 1.5em; padding-left: 1.5em; }
  .entry-content li { margin-bottom: 0.5em; }
  .entry-content img { border-radius: var(--radius-sm); margin: 2em 0; }

  .entry-content a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 4px;
  }
  .entry-content a:hover { color: var(--primary-dark); }

  .article-divider { border: none; border-top: 1px solid var(--border); margin: 32px 0; }

  .article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }

  .badge {
    background: #eef2ff;
    color: var(--primary);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
  }

  /* ===== Sidebar ===== */
  .sidebar-card {
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 28px;
    margin-bottom: 24px;
  }

  .sidebar-card h3 {
    font-size: 18px;
    font-weight: 800;
    color: var(--primary-dark);
    padding-bottom: 12px;
    border-bottom: 2px solid var(--accent);
    display: inline-block;
    margin-bottom: 20px;
  }

  .sidebar-info li {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px dashed var(--border);
    font-size: 14px;
  }

  .sidebar-info li:last-child { border-bottom: none; }

  .sidebar-info span:first-child { color: var(--text-muted); }

  .sidebar-cta {
    background: linear-gradient(145deg, var(--primary-dark), var(--primary));
    border: none;
    color: #fff;
    text-align: center;
  }

  .sidebar-cta h3 { color: #fff; border-bottom-color: var(--accent); }
  .sidebar-cta p { color: rgba(255,255,255,0.8); font-size: 14px; margin-bottom: 18px; }

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

  @media (max-width: 1024px) {
    .related-grid { grid-template-columns: repeat(2, 1fr); }
  }

  @media (max-width: 560px) {
    .related-grid { grid-template-columns: 1fr; }
  }

  .news-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
  }

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

  .news-card .cover {
    height: 180px;
    background-size: cover;
    background-position: center;
    position: relative;
  }

  .news-card .cover .tag-cover {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--accent);
    color: var(--primary-dark);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 999px;
  }

  .news-card .body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
  }

  .news-card .body h4 {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 10px;
    color: var(--text-main);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .news-card .body h4:hover { color: var(--primary); }

  .news-card .meta {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-muted);
  }

  /* ===== FAQ ===== */
  .faq-section {
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 40px;
    margin-top: 56px;
  }

  .faq-section h2 {
    font-size: 28px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 32px;
    color: var(--primary-dark);
  }

  .faq-item {
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
  }

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

  .faq-question {
    font-weight: 700;
    font-size: 17px;
    color: var(--text-main);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
  }

  .faq-question i {
    color: var(--primary);
    transition: transform 0.3s;
  }

  .faq-answer {
    margin-top: 12px;
    color: var(--text-muted);
    display: none;
    font-size: 15px;
  }

  .faq-item.open .faq-answer { display: block; }
  .faq-item.open .faq-question i { transform: rotate(180deg); }

  /* ===== CTA ===== */
  .cta-section {
    background: var(--bg-deep);
    border-radius: var(--radius);
    padding: 56px;
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
    margin: 72px 0 0;
    text-align: center;
  }

  .cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(15,23,42,0.85), rgba(30,58,138,0.75));
  }

  .cta-section > * { position: relative; z-index: 1; }

  .cta-section h2 {
    font-size: 34px;
    font-weight: 900;
    color: #fff;
    margin-bottom: 16px;
  }

  .cta-section p {
    color: rgba(255,255,255,0.8);
    max-width: 600px;
    margin: 0 auto 28px;
    font-size: 16px;
  }

  @media (max-width: 768px) {
    .cta-section { padding: 40px 24px; }
    .cta-section h2 { font-size: 26px; }
  }

  /* ===== Footer ===== */
  .site-footer {
    background: #0f172a;
    color: rgba(255,255,255,0.7);
    padding: 64px 0 0;
    margin-top: 72px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
  }

  @media (max-width: 768px) {
    .footer-grid { grid-template-columns: 1fr; }
  }

  .footer-brand .logo {
    color: #fff;
    margin-bottom: 16px;
  }

  .footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    max-width: 360px;
  }

  .footer-col h4 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 16px;
    position: relative;
    padding-bottom: 8px;
  }

  .footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 24px;
    height: 2px;
    background: var(--accent);
  }

  .footer-col a {
    display: block;
    padding: 6px 0;
    font-size: 14px;
    color: rgba(255,255,255,0.6);
  }

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

  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    text-align: center;
    font-size: 14px;
  }

  @media (max-width: 768px) {
    .footer-bottom { font-size: 13px; }
  }

/* roulang page: category1 */
:root {
      --brand-50: #eef4fb;
      --brand-100: #dbe9f7;
      --brand-200: #b7d3ee;
      --brand-300: #8ab7e0;
      --brand-400: #5796ce;
      --brand-500: #2f74b8;
      --brand-600: #1a4d8f;
      --brand-700: #163d73;
      --brand-800: #112e56;
      --brand-900: #0c1f3a;
      --accent-400: #f5b54d;
      --accent-500: #f5a623;
      --accent-600: #d68a12;
      --text-dark: #1a1a2e;
      --text-muted: #6b7280;
      --bg-light: #f7f9fc;
      --border-color: #e5e9f0;
      --radius-lg: 20px;
      --radius-md: 12px;
      --radius-sm: 8px;
      --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 8px 24px rgba(26, 77, 143, 0.08);
      --shadow-lg: 0 16px 40px rgba(26, 77, 143, 0.12);
    }

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

    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.7;
      color: var(--text-dark);
      background: var(--bg-light);
      -webkit-font-smoothing: antialiased;
    }

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

    a {
      text-decoration: none;
      color: inherit;
      transition: color 0.2s ease;
    }

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

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ===== Header & Nav ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 800;
      color: var(--brand-600);
      letter-spacing: -0.5px;
      white-space: nowrap;
    }

    .logo i {
      color: var(--accent-500);
      font-size: 24px;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 28px;
    }

    .main-nav a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      position: relative;
      white-space: nowrap;
    }

    .main-nav a:hover {
      color: var(--brand-600);
    }

    .main-nav a.active {
      color: var(--brand-600);
      font-weight: 600;
    }

    .main-nav a.active::after {
      content: '';
      position: absolute;
      left: 0;
      right: 0;
      bottom: -8px;
      height: 2px;
      background: var(--accent-500);
      border-radius: 2px;
    }

    .nav-cta {
      background: var(--brand-600);
      color: #fff !important;
      padding: 10px 24px;
      border-radius: 50px;
      font-weight: 600 !important;
      transition: all 0.25s ease !important;
    }

    .nav-cta:hover {
      background: var(--brand-700);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(26, 77, 143, 0.25);
    }

    .nav-toggle {
      display: none;
      font-size: 24px;
      color: var(--brand-600);
      padding: 6px;
      border-radius: var(--radius-sm);
      transition: background 0.2s;
    }

    .nav-toggle:hover {
      background: var(--brand-50);
    }

    /* ===== Page Banner ===== */
    .page-banner {
      position: relative;
      padding: 100px 0 90px;
      overflow: hidden;
      background: var(--brand-900);
    }

    .banner-bg {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      z-index: 0;
    }

    .banner-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(12, 31, 58, 0.92), rgba(26, 77, 143, 0.78));
      z-index: 1;
    }

    .page-banner-content {
      position: relative;
      z-index: 2;
      text-align: center;
      color: #fff;
    }

    .breadcrumb {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.75);
      background: rgba(255, 255, 255, 0.12);
      padding: 6px 18px;
      border-radius: 50px;
      backdrop-filter: blur(4px);
      margin-bottom: 28px;
    }

    .breadcrumb a {
      color: rgba(255, 255, 255, 0.85);
    }

    .breadcrumb a:hover {
      color: var(--accent-400);
    }

    .page-banner h1 {
      font-size: 48px;
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: -1px;
      margin-bottom: 20px;
    }

    .page-banner .lead {
      max-width: 680px;
      margin: 0 auto;
      font-size: 18px;
      color: rgba(255, 255, 255, 0.9);
      line-height: 1.8;
    }

    .banner-actions {
      display: flex;
      justify-content: center;
      gap: 16px;
      margin-top: 36px;
      flex-wrap: wrap;
    }

    /* ===== Buttons ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 14px 32px;
      border-radius: 50px;
      font-size: 15px;
      font-weight: 600;
      transition: all 0.25s ease;
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--accent-500);
      color: var(--brand-900);
    }

    .btn-primary:hover {
      background: var(--accent-400);
      transform: translateY(-3px);
      box-shadow: 0 12px 28px rgba(245, 166, 35, 0.32);
    }

    .btn-outline-light {
      border: 2px solid rgba(255, 255, 255, 0.6);
      color: #fff;
      background: transparent;
    }

    .btn-outline-light:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: #fff;
      transform: translateY(-3px);
    }

    .btn-white {
      background: #fff;
      color: var(--brand-600);
    }

    .btn-white:hover {
      background: var(--brand-50);
      transform: translateY(-3px);
      box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
    }

    .btn-sm {
      padding: 8px 20px;
      font-size: 14px;
    }

    .btn-outline-brand {
      border: 1.5px solid var(--brand-600);
      color: var(--brand-600);
      background: transparent;
    }

    .btn-outline-brand:hover {
      background: var(--brand-600);
      color: #fff;
    }

    /* ===== Section ===== */
    .section {
      padding: 90px 0;
    }

    .section-alt {
      background: #fff;
    }

    .section-head {
      text-align: center;
      max-width: 640px;
      margin: 0 auto 60px;
    }

    .section-tag {
      display: inline-block;
      background: var(--brand-50);
      color: var(--brand-600);
      font-size: 13px;
      font-weight: 600;
      padding: 6px 16px;
      border-radius: 50px;
      margin-bottom: 16px;
      letter-spacing: 1px;
    }

    .section-head h2 {
      font-size: 36px;
      font-weight: 800;
      color: var(--text-dark);
      letter-spacing: -0.5px;
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .section-head p {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

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

    .step-card {
      background: #fff;
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      position: relative;
    }

    .step-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: var(--brand-200);
    }

    .step-num {
      font-size: 14px;
      font-weight: 700;
      color: #fff;
      background: var(--brand-600);
      width: 44px;
      height: 44px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      font-family: 'SF Mono', 'Consolas', monospace;
      letter-spacing: 0.5px;
      box-shadow: 0 6px 16px rgba(26, 77, 143, 0.2);
    }

    .step-card:nth-child(2) .step-num {
      background: var(--accent-500);
      box-shadow: 0 6px 16px rgba(245, 166, 35, 0.3);
    }

    .step-card:nth-child(3) .step-num {
      background: #16a085;
      box-shadow: 0 6px 16px rgba(22, 160, 133, 0.25);
    }

    .step-card:nth-child(4) .step-num {
      background: #7c3aed;
      box-shadow: 0 6px 16px rgba(124, 58, 237, 0.25);
    }

    .step-card h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 10px;
    }

    .step-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

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

    .knowledge-card {
      background: #fff;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

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

    .knowledge-card .card-img {
      height: 200px;
      overflow: hidden;
      position: relative;
    }

    .knowledge-card .card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

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

    .knowledge-card .card-img::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(12, 31, 58, 0.35), transparent 60%);
    }

    .knowledge-content {
      padding: 24px;
    }

    .knowledge-content .badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      color: var(--brand-600);
      background: var(--brand-50);
      padding: 4px 12px;
      border-radius: 50px;
      margin-bottom: 14px;
    }

    .knowledge-content h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .knowledge-content p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .knowledge-content a {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--brand-600);
      font-size: 14px;
      font-weight: 600;
      margin-top: 16px;
      transition: gap 0.2s;
    }

    .knowledge-content a:hover {
      gap: 12px;
      color: var(--brand-700);
    }

    /* ===== Recommend Section ===== */
    .recommend-section {
      background: var(--brand-900);
      position: relative;
      overflow: hidden;
    }

    .recommend-section .banner-bg {
      opacity: 0.2;
    }

    .recommend-section .section-head h2 {
      color: #fff;
    }

    .recommend-section .section-head p {
      color: rgba(255, 255, 255, 0.7);
    }

    .recommend-list {
      display: grid;
      gap: 20px;
      max-width: 900px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }

    .recommend-item {
      display: flex;
      align-items: center;
      gap: 24px;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-lg);
      padding: 24px 28px;
      backdrop-filter: blur(8px);
      transition: all 0.3s ease;
    }

    .recommend-item:hover {
      background: rgba(255, 255, 255, 0.12);
      transform: translateX(6px);
      border-color: rgba(245, 166, 35, 0.4);
    }

    .recommend-rank {
      font-size: 20px;
      font-weight: 800;
      color: var(--accent-500);
      min-width: 48px;
      text-align: center;
      font-family: 'SF Mono', 'Consolas', monospace;
    }

    .recommend-info {
      flex: 1;
    }

    .recommend-info h3 {
      font-size: 18px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 4px;
    }

    .recommend-info p {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.65);
      line-height: 1.6;
    }

    .recommend-item .btn-sm {
      background: var(--accent-500);
      color: var(--brand-900);
      border: none;
    }

    .recommend-item .btn-sm:hover {
      background: var(--accent-400);
      transform: scale(1.04);
    }

    /* ===== FAQ ===== */
    .faq-list {
      max-width: 800px;
      margin: 0 auto;
      display: grid;
      gap: 16px;
    }

    .faq-item {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 28px;
      box-shadow: var(--shadow-sm);
      transition: box-shadow 0.3s;
    }

    .faq-item:hover {
      box-shadow: var(--shadow-md);
    }

    .faq-item summary {
      font-size: 17px;
      font-weight: 600;
      color: var(--text-dark);
      cursor: pointer;
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      user-select: none;
    }

    .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(--brand-600);
      transition: transform 0.3s ease;
      flex-shrink: 0;
    }

    .faq-item[open] summary::after {
      transform: rotate(180deg);
    }

    .faq-item summary:hover {
      color: var(--brand-600);
    }

    .faq-item p {
      margin-top: 14px;
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.8;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
    }

    /* ===== CTA ===== */
    .cta-section {
      background: linear-gradient(135deg, var(--brand-800), var(--brand-600));
      padding: 90px 0;
      position: relative;
      overflow: hidden;
    }

    .cta-section::before {
      content: '';
      position: absolute;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(245, 166, 35, 0.2), transparent 70%);
      top: -100px;
      right: -100px;
      border-radius: 50%;
    }

    .cta-inner {
      position: relative;
      z-index: 2;
      text-align: center;
      max-width: 600px;
      margin: 0 auto;
    }

    .cta-inner h2 {
      font-size: 36px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }

    .cta-inner p {
      font-size: 17px;
      color: rgba(255, 255, 255, 0.85);
      margin-bottom: 32px;
      line-height: 1.7;
    }

    .cta-actions {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--brand-900);
      color: rgba(255, 255, 255, 0.75);
      padding: 70px 0 30px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 48px;
    }

    .footer-brand .logo {
      color: #fff;
      font-size: 22px;
      margin-bottom: 16px;
    }

    .footer-brand p {
      font-size: 14px;
      line-height: 1.8;
      color: rgba(255, 255, 255, 0.6);
      max-width: 340px;
    }

    .footer-col h4 {
      font-size: 16px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 20px;
    }

    .footer-col a {
      display: flex;
      align-items: center;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.6);
      margin-bottom: 14px;
      transition: color 0.2s, padding-left 0.2s;
    }

    .footer-col a:hover {
      color: var(--accent-400);
      padding-left: 4px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
      text-align: center;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.4);
    }

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

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

      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
      }

      .footer-brand {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 768px) {
      .container {
        padding: 0 20px;
      }

      .nav-toggle {
        display: block;
      }

      .main-nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: #fff;
        padding: 24px 28px;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        gap: 20px;
        transform: translateY(-160%);
        transition: transform 0.35s ease, opacity 0.35s ease;
        opacity: 0;
        pointer-events: none;
        border-bottom: 1px solid var(--border-color);
      }

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

      .main-nav a.active::after {
        display: none;
      }

      .main-nav a {
        font-size: 16px;
        padding: 8px 0;
      }

      .nav-cta {
        text-align: center;
        margin-top: 4px;
      }

      .page-banner {
        padding: 70px 0 60px;
      }

      .page-banner h1 {
        font-size: 32px;
      }

      .page-banner .lead {
        font-size: 16px;
      }

      .section {
        padding: 64px 0;
      }

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

      .section-head h2 {
        font-size: 28px;
      }

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

      .btn {
        width: 100%;
        max-width: 280px;
      }

      .recommend-item {
        flex-direction: column;
        text-align: center;
        padding: 24px 20px;
        gap: 12px;
      }

      .recommend-info p {
        margin-bottom: 6px;
      }
    }

    @media (max-width: 520px) {
      .steps-grid {
        grid-template-columns: 1fr;
      }

      .knowledge-grid {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }

      .footer-brand {
        grid-column: auto;
      }

      .page-banner h1 {
        font-size: 26px;
      }

      .logo {
        font-size: 18px;
      }

      .logo i {
        font-size: 20px;
      }

      .cta-inner h2 {
        font-size: 26px;
      }

      .faq-item {
        padding: 18px 20px;
      }

      .faq-item summary {
        font-size: 15px;
      }

      .container {
        padding: 0 16px;
      }
    }

    @media (max-width: 380px) {
      .logo {
        font-size: 16px;
      }

      .logo i {
        font-size: 18px;
      }
    }

/* roulang page: category3 */
:root {
            --c-primary: #c9a86c;
            --c-primary-dark: #a8864d;
            --c-primary-light: #f0dfbc;
            --c-secondary: #1a1a2e;
            --c-secondary-light: #252541;
            --c-bg: #f8f7f4;
            --c-surface: #ffffff;
            --c-text: #2d2a26;
            --c-muted: #7b736a;
            --c-border: #e9e2d7;
            --c-success: #3e8e6e;
            --r-xl: 24px;
            --r-lg: 18px;
            --r-md: 12px;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.05);
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 20px 44px rgba(0, 0, 0, 0.12);
            --shadow-btn: 0 6px 20px rgba(201, 168, 108, 0.4);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            background: var(--c-bg);
            color: var(--c-text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header/Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(233, 226, 215, 0.7);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
        }
        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--c-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.5px;
        }
        .logo i {
            color: var(--c-primary);
            font-size: 26px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a {
            padding: 10px 18px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--c-text);
            transition: var(--transition);
        }
        .main-nav a:hover {
            background: rgba(201, 168, 108, 0.12);
            color: var(--c-primary-dark);
        }
        .main-nav a.active {
            background: var(--c-primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(201, 168, 108, 0.35);
        }
        .main-nav .nav-cta {
            background: var(--c-secondary);
            color: #fff;
            padding: 10px 22px;
            border-radius: 999px;
            font-weight: 600;
            margin-left: 8px;
            box-shadow: 0 4px 14px rgba(26, 26, 46, 0.25);
        }
        .main-nav .nav-cta:hover {
            background: var(--c-primary);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-btn);
        }
        .nav-toggle {
            display: none;
            font-size: 22px;
            color: var(--c-secondary);
            width: 44px;
            height: 44px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            border: 1px solid var(--c-border);
        }
        .nav-toggle:hover {
            background: rgba(201, 168, 108, 0.15);
        }

        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--c-primary);
            color: #fff;
            padding: 14px 34px;
            border-radius: 999px;
            font-size: 16px;
            font-weight: 600;
            box-shadow: var(--shadow-btn);
            transition: var(--transition);
        }
        .btn-primary:hover {
            background: var(--c-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(201, 168, 108, 0.5);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--c-text);
            padding: 13px 32px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            border: 1.5px solid var(--c-border);
            transition: var(--transition);
        }
        .btn-ghost:hover {
            border-color: var(--c-primary);
            color: var(--c-primary-dark);
            background: rgba(201, 168, 108, 0.08);
        }
        .btn-dark {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--c-secondary);
            color: #fff;
            padding: 14px 34px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-dark:hover {
            background: var(--c-primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-btn);
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            padding: 100px 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(26, 26, 46, 0.88) 0%, rgba(26, 26, 46, 0.65) 50%, rgba(201, 168, 108, 0.35) 100%);
        }
        .hero-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(6px);
            color: #fff;
            padding: 7px 20px;
            border-radius: 999px;
            font-size: 13px;
            letter-spacing: 1px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            margin-bottom: 24px;
        }
        .hero-title {
            font-size: 52px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }
        .hero-title span {
            color: var(--c-primary);
        }
        .hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.88);
            max-width: 600px;
            margin-bottom: 36px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-actions .btn-primary {
            background: var(--c-primary);
            color: var(--c-secondary);
        }
        .hero-actions .btn-primary:hover {
            background: var(--c-primary-light);
            color: var(--c-secondary);
        }
        .hero-actions .btn-ghost {
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
        }
        .hero-actions .btn-ghost:hover {
            border-color: var(--c-primary);
            color: var(--c-primary-light);
            background: rgba(255, 255, 255, 0.08);
        }

        /* ===== Section common ===== */
        .section {
            padding: 96px 0;
        }
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }
        .section-sub {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 3px;
            color: var(--c-primary);
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 40px;
            font-weight: 800;
            color: var(--c-secondary);
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--c-muted);
            line-height: 1.7;
        }

        /* ===== Category tags ===== */
        .category-tags-wrap {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }
        .cat-tag {
            background: var(--c-surface);
            border: 1px solid var(--c-border);
            color: var(--c-text);
            padding: 10px 24px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .cat-tag:hover {
            border-color: var(--c-primary);
            color: var(--c-primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }
        .cat-tag.active {
            background: var(--c-primary);
            color: #fff;
            border-color: var(--c-primary);
            box-shadow: var(--shadow-btn);
        }

        /* ===== Promo cards ===== */
        .promo-card {
            background: var(--c-surface);
            border-radius: var(--r-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            border: 1px solid rgba(233, 226, 215, 0.5);
        }
        .promo-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
        }
        .promo-card-thumb {
            position: relative;
            height: 210px;
            overflow: hidden;
        }
        .promo-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .promo-card:hover .promo-card-thumb img {
            transform: scale(1.05);
        }
        .promo-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(26, 26, 46, 0.82);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
            letter-spacing: 1px;
        }
        .promo-badge.hot {
            background: rgba(201, 168, 108, 0.92);
            color: #1a1a2e;
        }
        .promo-card-body {
            padding: 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .promo-card-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--c-secondary);
            margin-bottom: 10px;
        }
        .promo-card-body p {
            font-size: 14px;
            color: var(--c-muted);
            line-height: 1.7;
            flex: 1;
        }
        .promo-meta {
            margin-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 16px;
            border-top: 1px solid var(--c-border);
        }
        .promo-time {
            font-size: 13px;
            color: var(--c-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .promo-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--c-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .promo-link:hover {
            color: var(--c-primary-dark);
            gap: 10px;
        }

        /* ===== Process ===== */
        .process-section {
            background: var(--c-surface);
        }
        .process-card {
            text-align: center;
            padding: 48px 32px;
            border-radius: var(--r-xl);
            background: var(--c-bg);
            border: 1px solid var(--c-border);
            transition: var(--transition);
            height: 100%;
        }
        .process-card:hover {
            border-color: var(--c-primary);
            transform: translateY(-6px);
            box-shadow: var(--shadow-card);
        }
        .process-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--c-primary);
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 22px;
            box-shadow: var(--shadow-btn);
        }
        .process-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--c-secondary);
            margin-bottom: 12px;
        }
        .process-card p {
            font-size: 14px;
            color: var(--c-muted);
            line-height: 1.7;
        }

        /* ===== Stats ===== */
        .stats-section {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 90px 0;
        }
        .stats-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.92), rgba(26, 26, 46, 0.82));
        }
        .stat-item {
            text-align: center;
            padding: 32px;
            border-radius: var(--r-xl);
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-4px);
        }
        .stat-num {
            font-size: 42px;
            font-weight: 800;
            color: var(--c-primary);
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            letter-spacing: 1px;
        }

        /* ===== VIP cards ===== */
        .vip-card {
            background: var(--c-surface);
            border-radius: var(--r-lg);
            padding: 40px 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--c-border);
            transition: var(--transition);
            position: relative;
            height: 100%;
            text-align: center;
        }
        .vip-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card);
            border-color: var(--c-primary);
        }
        .vip-card.featured {
            border: 2px solid var(--c-primary);
            box-shadow: var(--shadow-card);
        }
        .vip-card.featured::before {
            content: '推荐';
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--c-primary);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 18px;
            border-radius: 999px;
            letter-spacing: 1px;
        }
        .vip-level {
            font-size: 16px;
            font-weight: 700;
            color: var(--c-primary);
            letter-spacing: 2px;
            margin-bottom: 8px;
            text-transform: uppercase;
        }
        .vip-name {
            font-size: 22px;
            font-weight: 800;
            color: var(--c-secondary);
            margin-bottom: 20px;
        }
        .vip-list {
            list-style: none;
            margin: 0;
            padding: 0;
            text-align: left;
        }
        .vip-list li {
            padding: 9px 0;
            font-size: 14px;
            color: var(--c-text);
            border-bottom: 1px dashed var(--c-border);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .vip-list li:last-child {
            border-bottom: none;
        }
        .vip-list li i {
            color: var(--c-primary);
            font-size: 13px;
            width: 18px;
            text-align: center;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--c-surface);
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: var(--c-bg);
            border: 1px solid var(--c-border);
            border-radius: var(--r-md);
            transition: var(--transition);
            overflow: hidden;
        }
        .faq-item.open {
            background: var(--c-surface);
            border-color: var(--c-primary);
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--c-secondary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            background: transparent;
        }
        .faq-icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--c-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 28px;
        }
        .faq-answer p {
            padding-bottom: 24px;
            font-size: 15px;
            color: var(--c-muted);
            line-height: 1.8;
            border-top: 1px solid var(--c-border);
            padding-top: 18px;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 110px 0;
            text-align: center;
        }
        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(201, 168, 108, 0.85), rgba(26, 26, 46, 0.85));
        }
        .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
            line-height: 1.2;
        }
        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.9);
            max-width: 640px;
            margin: 0 auto 40px;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-section .btn-ghost {
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }
        .cta-section .btn-ghost:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--c-secondary);
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 60px;
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand .logo i {
            color: var(--c-primary);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 22px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 32px;
            height: 2px;
            background: var(--c-primary);
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            padding: 7px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--c-primary);
            padding-left: 4px;
        }
        .footer-bottom {
            padding: 26px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 44px;
            }
            .section-title {
                font-size: 34px;
            }
            .footer-grid {
                gap: 40px;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                position: absolute;
                top: 76px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px 24px;
                gap: 6px;
                border-bottom: 1px solid var(--c-border);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
                display: none;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 14px 18px;
                text-align: center;
            }
            .main-nav .nav-cta {
                text-align: center;
                margin-left: 0;
            }
            .hero-section {
                min-height: 480px;
                padding: 80px 0;
            }
            .hero-title {
                font-size: 34px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .section {
                padding: 70px 0;
            }
            .section-title {
                font-size: 30px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-ghost {
                width: 100%;
                justify-content: center;
            }
            .section-title {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .stat-num {
                font-size: 32px;
            }
            .cta-section h2 {
                font-size: 30px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: center;
            }
            .cta-actions .btn-primary,
            .cta-actions .btn-ghost {
                width: 100%;
                justify-content: center;
            }
        }
        @media (min-width: 769px) {
            .main-nav {
                display: flex !important;
            }
        }

/* roulang page: category2 */
:root {
    --primary: #E8972F;
    --primary-light: #F4C56A;
    --primary-dark: #C97F24;
    --navy: #0F1A2F;
    --navy-light: #16233A;
    --text-main: #1E2A3A;
    --text-muted: #64748B;
    --bg-soft: #F8F6F2;
    --border: #E5E1D8;
    --radius: 16px;
    --radius-lg: 24px;
    --shadow: 0 8px 30px rgba(15, 26, 47, 0.08);
    --shadow-lg: 0 16px 50px rgba(15, 26, 47, 0.15);
  }
  html { scroll-behavior: smooth; }
  body { background: #ffffff; color: var(--text-main); font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif; line-height: 1.7; -webkit-font-smoothing: antialiased; }
  *, *::before, *::after { box-sizing: border-box; }
  img { max-width: 100%; display: block; }
  a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
  button { cursor: pointer; font-family: inherit; }
  .container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 24px; }
  @media (min-width: 1280px) { .container { padding: 0 32px; } }

  /* 头部与导航 */
  .site-header { background: rgba(255,255,255,0.96); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(0,0,0,0.06); position: sticky; top: 0; z-index: 100; }
  .header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
  .logo { display: flex; align-items: center; gap: 10px; font-size: 24px; font-weight: 800; color: var(--navy); letter-spacing: -0.5px; }
  .logo i { color: var(--primary); font-size: 22px; }
  .main-nav { display: none; align-items: center; gap: 8px; }
  .main-nav a { padding: 10px 18px; border-radius: 999px; font-size: 15px; font-weight: 500; color: var(--text-main); transition: all 0.3s ease; position: relative; }
  .main-nav a:hover:not(.nav-cta) { color: var(--primary); background: var(--brand-50, #FFF9EB); }
  .main-nav a.active:not(.nav-cta) { color: var(--primary); background: var(--brand-50, #FFF9EB); font-weight: 600; }
  .main-nav a.active:not(.nav-cta)::after { content: ''; position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%); width: 20px; height: 3px; border-radius: 3px; background: var(--primary); }
  .main-nav .nav-cta { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: #fff; padding: 10px 24px; border-radius: 999px; font-weight: 600; box-shadow: 0 4px 16px rgba(232,151,47,0.4); }
  .main-nav .nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,151,47,0.5); color: #fff; }
  .menu-toggle { display: flex; width: 44px; height: 44px; border-radius: 12px; background: var(--bg-soft); border: 1px solid var(--border); align-items: center; justify-content: center; font-size: 20px; color: var(--navy); transition: all 0.3s ease; }
  .menu-toggle:hover { background: var(--brand-50, #FFF9EB); color: var(--primary); }
  @media (min-width: 1024px) { .main-nav { display: flex; } .menu-toggle { display: none; } }
  @media (max-width: 1023px) {
    .main-nav { position: absolute; top: 76px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch; gap: 4px; padding: 16px 20px 20px; border-bottom: 1px solid var(--border); border-radius: 0 0 20px 20px; box-shadow: 0 16px 40px rgba(0,0,0,0.12); display: none; overflow: hidden; }
    .main-nav.open { display: flex; }
    .main-nav a { padding: 14px 16px; border-radius: 12px; border-bottom: 1px solid rgba(0,0,0,0.04); }
    .main-nav a:last-of-type { border-bottom: none; }
    .main-nav a.nav-cta { text-align: center; margin-top: 8px; }
  }

  /* 页面Hero */
  .page-hero { position: relative; padding: 96px 0 88px; background-size: cover; background-position: center; color: #fff; overflow: hidden; }
  .page-hero .hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,26,47,0.92) 0%, rgba(15,26,47,0.78) 55%, rgba(232,151,47,0.35) 100%); }
  .page-hero .container { position: relative; z-index: 2; }
  .hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.25); backdrop-filter: blur(8px); padding: 8px 18px; border-radius: 999px; font-size: 13px; letter-spacing: 0.5px; margin-bottom: 24px; color: var(--primary-light); font-weight: 600; }
  .page-hero h1 { font-size: 48px; line-height: 1.15; font-weight: 800; margin-bottom: 20px; max-width: 640px; letter-spacing: -1px; }
  .page-hero h1 span { color: var(--primary); }
  .page-hero p { font-size: 18px; line-height: 1.8; color: rgba(255,255,255,0.88); max-width: 600px; margin-bottom: 32px; }
  .hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
  .btn-gold { display: inline-flex; align-items: center; gap: 10px; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: #fff; padding: 14px 34px; border-radius: 999px; font-size: 16px; font-weight: 700; box-shadow: 0 6px 20px rgba(232,151,47,0.45); transition: all 0.3s ease; }
  .btn-gold:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(232,151,47,0.6); color: #fff; }
  .btn-outline { display: inline-flex; align-items: center; gap: 10px; border: 2px solid rgba(255,255,255,0.7); background: rgba(255,255,255,0.08); backdrop-filter: blur(8px); color: #fff; padding: 12px 32px; border-radius: 999px; font-size: 16px; font-weight: 600; transition: all 0.3s ease; }
  .btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.18); color: #fff; transform: translateY(-3px); }
  @media (max-width: 768px) { .page-hero { padding: 64px 0 56px; } .page-hero h1 { font-size: 32px; } .page-hero p { font-size: 16px; } .btn-gold, .btn-outline { padding: 12px 24px; font-size: 14px; } }
  @media (max-width: 520px) { .page-hero h1 { font-size: 26px; } .hero-actions { flex-direction: column; align-items: stretch; } .btn-gold, .btn-outline { justify-content: center; } }

  /* 板块标题 */
  .section-header { text-align: center; max-width: 640px; margin: 0 auto 48px; }
  .section-badge { display: inline-flex; align-items: center; gap: 6px; background: #FFF9EB; color: #C97F24; font-size: 13px; font-weight: 600; padding: 6px 16px; border-radius: 999px; margin-bottom: 16px; border: 1px solid #FDEBC8; }
  .section-header.section-light .section-badge { background: rgba(255,255,255,0.1); color: var(--primary-light); border-color: rgba(255,255,255,0.2); }
  .section-header h2 { font-size: 36px; font-weight: 800; color: var(--navy); letter-spacing: -0.5px; margin-bottom: 12px; }
  .section-header p { color: var(--text-muted); font-size: 16px; line-height: 1.8; }
  @media (max-width: 768px) { .section-header h2 { font-size: 26px; } .section-header { margin-bottom: 32px; } }

  /* 分类筛选 */
  .filter-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 40px; }
  .filter-btn { padding: 10px 24px; border-radius: 999px; border: 1px solid var(--border); background: #fff; font-size: 14px; font-weight: 500; color: var(--text-main); transition: all 0.3s ease; }
  .filter-btn:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(232,151,47,0.15); }
  .filter-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); box-shadow: 0 6px 20px rgba(232,151,47,0.35); }
  @media (max-width: 520px) { .filter-btn { flex: 1 1 auto; text-align: center; padding: 10px 14px; font-size: 13px; } }

  /* 游戏卡片 */
  .game-grid { display: grid; grid-template-columns: repeat(1, minmax(0, 1fr)); gap: 24px; }
  @media (min-width: 640px) { .game-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  @media (min-width: 1024px) { .game-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
  .game-card { background: #fff; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid rgba(0,0,0,0.05); box-shadow: var(--shadow); transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1); display: flex; flex-direction: column; }
  .game-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(232,151,47,0.3); }
  .game-thumb { position: relative; overflow: hidden; aspect-ratio: 4/3; }
  .game-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
  .game-card:hover .game-thumb img { transform: scale(1.08); }
  .game-thumb::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(15,26,47,0.4) 0%, transparent 60%); opacity: 0; transition: opacity 0.4s ease; }
  .game-card:hover .game-thumb::after { opacity: 1; }
  .game-tag { position: absolute; top: 12px; left: 12px; z-index: 2; background: rgba(232,151,47,0.95); color: #fff; font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: 999px; box-shadow: 0 4px 12px rgba(232,151,47,0.4); }
  .game-info { padding: 20px 20px 24px; display: flex; flex-direction: column; flex: 1; }
  .game-info h3 { font-size: 20px; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
  .game-cat { font-size: 12px; background: #F8F6F2; color: var(--text-muted); padding: 4px 10px; border-radius: 999px; font-weight: 500; }
  .game-meta { display: flex; gap: 14px; margin: 12px 0 10px; font-size: 13px; color: var(--text-muted); }
  .game-meta span { display: inline-flex; align-items: center; gap: 5px; }
  .game-meta i { color: var(--primary); }
  .game-info p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 20px; flex: 1; }
  .game-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--navy); color: #fff; padding: 10px 20px; border-radius: 999px; font-size: 14px; font-weight: 600; transition: all 0.3s ease; }
  .game-btn:hover { background: var(--primary); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(232,151,47,0.35); color: #fff; }

  /* 特色区 */
  .feature-strip { background: var(--navy); color: #fff; padding: 88px 0; position: relative; overflow: hidden; }
  .feature-strip::before { content: ''; position: absolute; top: -50%; right: -20%; width: 400px; height: 400px; background: radial-gradient(circle, rgba(232,151,47,0.15) 0%, transparent 70%); }
  .feature-strip::after { content: ''; position: absolute; bottom: -30%; left: -10%; width: 300px; height: 300px; background: radial-gradient(circle, rgba(232,151,47,0.1) 0%, transparent 70%); }
  .feature-strip .container { position: relative; z-index: 2; }
  .feature-grid { display: grid; grid-template-columns: 1fr; gap: 28px; }
  @media (min-width: 640px) { .feature-grid { grid-template-columns: repeat(3, 1fr); } }
  .feature-card { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius-lg); padding: 36px 28px; text-align: center; backdrop-filter: blur(6px); transition: all 0.4s ease; }
  .feature-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-6px); border-color: rgba(232,151,47,0.5); }
  .feature-icon { width: 64px; height: 64px; margin: 0 auto 20px; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); border-radius: 20px; display: flex; align-items: center; justify-content: center; font-size: 26px; color: #fff; box-shadow: 0 8px 24px rgba(232,151,47,0.35); }
  .feature-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; color: #fff; }
  .feature-card p { font-size: 15px; color: rgba(255,255,255,0.75); line-height: 1.8; }

  /* 数据统计 */
  .stats-section { padding: 72px 0; background: var(--bg-soft); }
  .stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
  @media (min-width: 768px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }
  .stat-item { text-align: center; background: #fff; border: 1px solid rgba(0,0,0,0.05); border-radius: var(--radius-lg); padding: 36px 20px; box-shadow: var(--shadow); transition: all 0.3s ease; }
  .stat-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
  .stat-number { font-size: 40px; font-weight: 800; color: var(--primary); line-height: 1.2; letter-spacing: -1px; }
  .stat-label { font-size: 14px; color: var(--text-muted); margin-top: 8px; font-weight: 500; }
  @media (max-width: 520px) { .stat-number { font-size: 28px; } .stats-grid { gap: 16px; } .stat-item { padding: 24px 14px; } }

  /* 精选推荐 */
  .featured-section { padding: 88px 0; background: #fff; }
  .featured-grid { display: grid; grid-template-columns: 1fr; gap: 28px; }
  @media (min-width: 1024px) { .featured-grid { grid-template-columns: repeat(2, 1fr); } }
  .featured-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; min-height: 380px; display: flex; align-items: flex-end; isolation: isolate; transition: all 0.4s ease; }
  .featured-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
  .featured-card::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(15,26,47,0.9) 0%, rgba(15,26,47,0.4) 60%, transparent 100%); z-index: -1; transition: all 0.4s ease; }
  .featured-card:hover::after { background: linear-gradient(to top, rgba(15,26,47,0.95) 0%, rgba(15,26,47,0.5) 60%, transparent 100%); }
  .featured-card:hover { transform: scale(1.01); box-shadow: var(--shadow-lg); }
  .featured-body { padding: 40px 36px; color: #fff; }
  .featured-body .featured-badge { display: inline-block; background: var(--primary); border-radius: 999px; padding: 4px 14px; font-size: 12px; font-weight: 600; color: #fff; margin-bottom: 14px; }
  .featured-body h3 { font-size: 26px; font-weight: 800; margin-bottom: 12px; line-height: 1.3; }
  .featured-body p { font-size: 15px; color: rgba(255,255,255,0.85); margin-bottom: 20px; line-height: 1.7; }
  .featured-link { display: inline-flex; align-items: center; gap: 8px; color: var(--primary-light); font-weight: 600; font-size: 14px; }
  .featured-link:hover { gap: 14px; color: #fff; }
  @media (max-width: 768px) { .featured-body { padding: 28px 22px; } .featured-card { min-height: 300px; } .featured-body h3 { font-size: 20px; } }

  /* FAQ */
  .faq-section { padding: 88px 0; background: var(--bg-soft); }
  .faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
  .faq-item { background: #fff; border: 1px solid rgba(0,0,0,0.05); border-radius: var(--radius); overflow: hidden; transition: all 0.3s ease; box-shadow: 0 2px 10px rgba(0,0,0,0.02); }
  .faq-item:hover { border-color: rgba(232,151,47,0.3); box-shadow: var(--shadow); }
  .faq-question { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 24px; background: transparent; border: none; width: 100%; text-align: left; font-size: 16px; font-weight: 600; color: var(--navy); transition: all 0.3s ease; }
  .faq-question i { color: var(--primary); transition: transform 0.4s ease; flex-shrink: 0; }
  .faq-item.active .faq-question i { transform: rotate(180deg); }
  .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; padding: 0 24px; }
  .faq-item.active .faq-answer { max-height: 500px; padding: 0 24px 22px; }
  .faq-answer p { font-size: 15px; color: var(--text-muted); line-height: 1.8; }
  @media (max-width: 520px) { .faq-question { font-size: 14px; padding: 16px 18px; } .faq-answer p { font-size: 14px; } }

  /* CTA */
  .cta-section { padding: 72px 0; background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%); color: #fff; text-align: center; position: relative; overflow: hidden; }
  .cta-section::before { content: ''; position: absolute; top: -100px; left: 50%; transform: translateX(-50%); width: 600px; height: 300px; background: radial-gradient(ellipse, rgba(232,151,47,0.2) 0%, transparent 65%); }
  .cta-section .container { position: relative; z-index: 2; }
  .cta-section h2 { font-size: 36px; font-weight: 800; margin-bottom: 16px; letter-spacing: -0.5px; }
  .cta-section p { font-size: 17px; color: rgba(255,255,255,0.8); max-width: 560px; margin: 0 auto 32px; line-height: 1.8; }
  .cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }
  @media (max-width: 768px) { .cta-section h2 { font-size: 26px; } .cta-section p { font-size: 15px; } .cta-actions { flex-direction: column; align-items: center; } }

  /* 页脚 */
  .site-footer { background: var(--navy); color: rgba(255,255,255,0.7); padding: 64px 0 0; }
  .site-footer .footer-grid { display: grid; grid-template-columns: 1fr; gap: 40px; padding-bottom: 40px; }
  @media (min-width: 768px) { .site-footer .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
  .footer-brand .logo { color: #fff; margin-bottom: 16px; font-size: 24px; }
  .footer-brand p { font-size: 14px; line-height: 1.9; color: rgba(255,255,255,0.6); max-width: 360px; }
  .footer-col h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 18px; }
  .footer-col a { display: flex; align-items: center; gap: 6px; font-size: 14px; color: rgba(255,255,255,0.6); margin-bottom: 12px; transition: all 0.3s ease; }
  .footer-col a:hover { color: var(--primary); padding-left: 4px; }
  .footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 24px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,0.4); }
  .footer-bottom p { margin: 0; }
  @media (max-width: 768px) { .site-footer .footer-grid { gap: 32px; } }

  /* 滚动条动画 */
  @keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
  .page-hero .container > * { animation: fadeInUp 0.8s ease backwards; }
  .page-hero .container > *:nth-child(2) { animation-delay: 0.15s; }
  .page-hero .container > *:nth-child(3) { animation-delay: 0.3s; }
  .page-hero .container > *:nth-child(4) { animation-delay: 0.45s; }

  .game-card[style*="display: none"] { animation: none; }