:root{
  --bg:#eef3f8;
  --bg-soft:#f6f9fc;
  --panel:#ffffff;
  --line:#d7e1ee;
  --text:#10284d;
  --muted:#62789a;
  --brand:#1f5dbd;
  --brand-dark:#123e7b;
  --deep:#0f2f61;
  --ok:#1c7a4e;
  --warn:#8b5d00;
  --danger:#8f2f2f;
  --radius:24px;
  --shadow:0 18px 40px rgba(11,35,72,.06);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.8;
}
img{max-width:100%;display:block}
a{color:var(--brand-dark);text-decoration:none}
a:hover{text-decoration:none}
.wrap{width:min(1180px,92vw);margin:0 auto}
.narrow{width:min(840px,92vw);margin:0 auto}
.site-main{min-height:60vh}
.card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.muted{color:var(--muted)}
.eyebrow,.section-kicker,.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.02em;
  border-radius:999px;
}
.eyebrow,.section-kicker{
  background:#eaf1ff;
  color:var(--brand-dark);
  padding:8px 14px;
}
.chip{
  padding:6px 12px;
  background:#edf2fb;
  color:#375580;
}
.chip.texas{background:#e7f7f4;color:#16655e}
.chip.blackjack{background:#fff4db;color:#8d6107}
.chip.niuniu{background:#f2ebff;color:#7041bf}
.chip.doudizhu{background:#ffeee5;color:#b3531e}
.chip.general{background:#edf2fb;color:#375580}

.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter: blur(14px);
  background:rgba(247,250,253,.86);
  border-bottom:1px solid rgba(215,225,238,.85);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:16px 0;
}
.brand{
  display:flex;align-items:center;gap:12px;
  color:var(--text);font-weight:800;font-size:22px;
}
.brand img{width:188px;height:auto}
.main-nav{
  display:flex;align-items:center;gap:22px;flex-wrap:wrap;
}
.main-nav a{
  font-weight:700;color:var(--text);padding:8px 0;position:relative;
}
.main-nav a.active::after,.main-nav a:hover::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--brand);
}
.main-nav .nav-admin{
  background:#edf3ff;border:1px solid #cad9ff;padding:9px 14px;border-radius:999px;color:var(--brand-dark);
}
.nav-toggle{
  display:none;border:1px solid var(--line);background:#fff;border-radius:14px;padding:10px;width:48px;height:48px
}
.nav-toggle span{display:block;height:2px;background:var(--text);margin:6px 0;border-radius:999px}

.hero{padding:34px 0 10px}
.hero-shell{
  display:grid;grid-template-columns:1.02fr .98fr;gap:22px;align-items:stretch;
}
.hero-copy{padding:38px}
.hero-copy h1{font-size:48px;line-height:1.1;margin:18px 0 12px}
.hero-lead{font-size:18px;color:#385479;margin:0 0 16px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0 18px}
.hero-safe,.safe-box,.empty{
  background:#f4f8ff;border:1px solid #dce7fa;border-radius:18px;padding:16px 18px;color:#375580
}
.hero-visual{
  min-height:100%;overflow:hidden;border-radius:30px;border:1px solid var(--line);box-shadow:var(--shadow)
}
.hero-visual img{width:100%;height:100%;object-fit:cover}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 16px;border-radius:14px;border:1px solid #c9d7ea;background:#fff;
  color:var(--text);font-weight:700;cursor:pointer;font:inherit;
}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.small{min-height:36px;padding:0 12px;font-size:13px}
.btn.danger{background:#fff5f5;border-color:#f4cccc;color:var(--danger)}

.section{padding:24px 0}
.section.subtle{background:linear-gradient(180deg,#f5f8fc,#eef3f8)}
.section-head{
  display:flex;justify-content:space-between;align-items:end;gap:18px;margin-bottom:18px
}
.section-head h2{font-size:34px;line-height:1.2;margin:10px 0 0}
.section-head p{max-width:450px;color:var(--muted);margin:0}

.module-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px
}
.module-card{
  overflow:hidden;display:grid;grid-template-columns:240px 1fr;border-radius:28px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)
}
.module-card img{height:100%;object-fit:cover}
.module-body{padding:24px 24px 20px}
.module-body h3{font-size:28px;line-height:1.2;margin:12px 0 10px}
.module-body p{margin:0;color:#405779}
.module-body a{display:inline-block;margin-top:16px;font-weight:800}
.module-tag{display:inline-block;color:var(--muted);font-size:13px;font-weight:700}
.module-card.texas{box-shadow:0 18px 40px rgba(22,101,94,.08)}
.module-card.blackjack{box-shadow:0 18px 40px rgba(141,97,7,.08)}
.module-card.niuniu{box-shadow:0 18px 40px rgba(112,65,191,.08)}
.module-card.doudizhu{box-shadow:0 18px 40px rgba(179,83,30,.08)}

.article-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px
}
.article-card{overflow:hidden}
.article-card,.stack-card,.faq-panel,.guide-panel,.prose,.panel,.page-hero-card,.side-card,.login-card{
  background:#fff;border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow)
}
.article-card .thumb{display:block;aspect-ratio:16/10;overflow:hidden}
.article-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.article-card:hover .thumb img{transform:scale(1.03)}
.article-body{padding:18px 18px 20px}
.article-body h3{font-size:22px;line-height:1.35;margin:12px 0 10px}
.article-body p{color:#47617f;margin:0 0 14px}
.meta-line{display:flex;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:14px}

.dual-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.faq-panel,.guide-panel{padding:26px}
.faq-panel h2,.guide-panel h2{font-size:30px;line-height:1.25;margin:10px 0 14px}
.faq-list{display:grid;gap:16px}
.faq-list article{padding-bottom:16px;border-bottom:1px dashed var(--line)}
.faq-list article:last-child{padding-bottom:0;border-bottom:0}
.faq-list h3{font-size:20px;line-height:1.35;margin:0 0 8px}
.faq-list p{margin:0;color:#405779}
.guide-list{margin:16px 0 20px;padding-left:22px}
.mini-links{display:grid;gap:12px}
.mini-links a{padding:14px 16px;border-radius:16px;background:#f5f8ff;border:1px solid #dce6fb;font-weight:700}

.site-footer{
  margin-top:42px;
  background:linear-gradient(180deg,#0a2347,#0f2f61);
  color:#eef4ff;padding:42px 0 24px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.15fr;gap:24px}
.footer-grid h3{margin:0 0 12px;font-size:22px}
.footer-grid p{color:#cad7eb}
.footer-list{list-style:none;margin:0;padding:0}
.footer-list li{margin:10px 0}
.footer-grid a{color:#eef4ff}
.footer-bottom{
  margin-top:20px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:#d4dff1
}
.footer-note{max-width:620px}

.page-hero-card{padding:30px}
.page-hero-card h1{font-size:42px;line-height:1.15;margin:14px 0 8px}
.page-hero-card p{margin:0;color:#405779}
.category-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.category-tabs a{
  padding:10px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:700;color:var(--text)
}
.category-tabs a.active{background:#eaf1ff;border-color:#cad9ff;color:var(--brand-dark)}
.stack-list{display:grid;gap:16px}
.stack-card{display:grid;grid-template-columns:260px 1fr;overflow:hidden}
.stack-thumb img{width:100%;height:100%;object-fit:cover}
.stack-body{padding:22px}
.stack-top{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap}
.stack-body h2{font-size:28px;line-height:1.3;margin:12px 0 10px}
.stack-body p{margin:0 0 16px;color:#405779}

.article-hero{padding-top:24px}
.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:14px}
.breadcrumb a{color:var(--muted)}
.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:18px;align-items:start}
.article-main{padding:30px}
.article-main h1{font-size:42px;line-height:1.15;margin:16px 0 10px}
.lead{font-size:19px;line-height:1.75;color:#395372;margin:0 0 16px}
.article-meta{display:flex;gap:12px 16px;flex-wrap:wrap;color:var(--muted);font-size:14px;margin-bottom:18px}
.article-cover{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:22px;border:1px solid var(--line);margin-bottom:18px}
.info-strip{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:22px
}
.info-strip div{
  padding:14px 16px;background:#f6f9fd;border:1px solid #dde6f2;border-radius:18px
}
.info-strip strong{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}
.info-strip span{font-size:18px;font-weight:800}
.content-body p{margin:0 0 18px;font-size:17px;color:#173052}
.side-card{padding:22px}
.side-card h3{font-size:22px;margin:0 0 12px}
.clean-list{list-style:none;margin:0;padding:0}
.clean-list li{margin:0 0 12px;padding:0 0 12px;border-bottom:1px dashed var(--line)}
.clean-list li:last-child{margin:0;padding:0;border-bottom:0}

.prose{padding:34px}
.prose h1{font-size:42px;line-height:1.15;margin:16px 0 12px}
.prose h2{font-size:28px;line-height:1.25;margin:24px 0 10px}
.prose p,.prose li{color:#173052;font-size:17px}
.prose ul{padding-left:22px}

.admin-body{background:#edf2f7}
.admin-top{background:linear-gradient(180deg,#0a2347,#0f2f61);color:#fff}
.admin-nav{display:flex;justify-content:space-between;align-items:center;padding:16px 0;gap:16px}
.admin-brand{font-size:22px;font-weight:800}
.admin-nav nav{display:flex;gap:18px;flex-wrap:wrap}
.admin-nav a{color:#fff;font-weight:700}
.admin-main{padding:28px 0 40px}
.login-wrap{display:flex;justify-content:center;align-items:flex-start;padding-top:48px}
.login-card{width:min(520px,92vw);padding:30px}
.login-card h1{font-size:34px;line-height:1.2;margin:0 0 8px}
.login-card p{color:#405779}
.login-note{font-size:14px;color:var(--muted)}
.panel{padding:24px}
.admin-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.admin-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}
.stats-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:18px}
.stat-box{background:#f7fbff;border:1px solid #d9e6f7;border-radius:20px;padding:18px}
.stat-box strong{display:block;font-size:34px;line-height:1}
.alert{padding:14px 16px;border-radius:16px;margin-bottom:14px}
.alert.success{background:#effbf3;color:var(--ok);border:1px solid #cfead8}
.alert.error{background:#fff4f4;color:var(--danger);border:1px solid #f1c8c8}
.table-wrap{overflow:auto}
.table{width:100%;border-collapse:collapse;min-width:880px}
.table th,.table td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.status{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;font-size:13px;font-weight:700}
.status.published{background:#eefbf3;color:var(--ok)}
.status.draft{background:#fff8e8;color:var(--warn)}
.status-row{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);margin-bottom:16px}

.admin-form{display:grid;gap:16px}
.admin-form label{display:grid;gap:8px;font-weight:700;color:var(--text)}
.admin-form input,.admin-form textarea,.admin-form select{
  width:100%;border:1px solid #cad6e5;border-radius:16px;background:#fff;padding:12px 14px;font:inherit;color:var(--text)
}
.admin-form textarea{min-height:110px;resize:vertical}
.admin-form textarea[name="raw_content"]{min-height:460px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.form-actions{display:flex;gap:10px;flex-wrap:wrap}

.empty{padding:26px}
.empty h1,.empty h2{margin-top:0}

@media (max-width: 1024px){
  .hero-shell,.dual-grid,.article-shell,.admin-grid{grid-template-columns:1fr}
  .module-grid{grid-template-columns:1fr}
  .article-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
  .module-card{grid-template-columns:220px 1fr}
}
@media (max-width: 820px){
  .nav-toggle{display:block}
  .main-nav{
    display:none;position:absolute;top:78px;left:4vw;right:4vw;background:#fff;border:1px solid var(--line);border-radius:22px;padding:14px;box-shadow:var(--shadow)
  }
  .main-nav.open{display:grid}
  .main-nav a{padding:10px 0}
  .hero-copy h1,.page-hero-card h1,.article-main h1,.prose h1{font-size:34px}
  .section-head{display:block}
  .section-head h2,.faq-panel h2,.guide-panel h2{font-size:28px}
  .article-grid,.footer-grid,.stats-grid,.form-grid,.info-strip{grid-template-columns:1fr}
  .stack-card,.module-card{grid-template-columns:1fr}
  .stack-thumb img,.module-card img{aspect-ratio:16/10}
}
@media (max-width: 560px){
  .wrap{width:min(94vw,1180px)}
  .hero-copy,.faq-panel,.guide-panel,.article-main,.side-card,.prose,.panel{padding:22px}
  .hero-copy h1,.page-hero-card h1,.article-main h1,.prose h1{font-size:30px}
  .article-body h3,.stack-body h2{font-size:24px}
}