/* ===================================================================
   快雷go (kuaileigoo.shop) - 维多利亚蒸汽朋克系统 (Victorian Steampunk Brass)
   =================================================================== */
:root {
  --steam-bg: #f8f2e4;
  --steam-card: #ffffff;
  --steam-brass: #b45309;
  --steam-copper: #92400e;
  --steam-iron: #1c1917;
  --steam-rivet: #78350f;
  --steam-gold: #d97706;
  --steam-border: 2px solid #b45309;
  --font-victorian: "Georgia", "Baskerville", "Times New Roman", serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background-color: var(--steam-bg);
  background-image:
    radial-gradient(#b45309 0.8px, transparent 0.8px),
    linear-gradient(rgba(180, 83, 9, 0.04) 1px, transparent 1px);
  background-size: 24px 24px, 100% 24px;
  color: var(--steam-iron);
  font-family: var(--font-victorian);
  line-height: 1.8;
}
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
header.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: #f1e9d5; border-bottom: 3px double var(--steam-brass);
  box-shadow: 0 4px 12px rgba(180, 83, 9, 0.15);
}
.header-inner {
  display: flex; justify-content: space-between; align-items: center;
  height: 74px; max-width: 1160px; margin: 0 auto; padding: 0 24px;
}
.brand-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--steam-iron);
  font-size: 1.5rem; font-weight: 900; letter-spacing: 1px;
}
.steam-cog-tag {
  background: var(--steam-brass); color: #fff; font-size: 0.72rem;
  padding: 2px 8px; border-radius: 2px; font-weight: 700;
}
nav.main-nav ul { display: flex; list-style: none; gap: 20px; align-items: center; }
nav.main-nav a {
  color: var(--steam-copper); text-decoration: none; font-size: 0.95rem;
  font-weight: 700; text-transform: uppercase; transition: color 0.2s;
}
nav.main-nav a:hover, nav.main-nav a.active { color: var(--steam-brass); border-bottom: 2px solid var(--steam-brass); }
.header-cta {
  background: linear-gradient(135deg, var(--steam-brass), var(--steam-copper));
  color: #fff !important; font-size: 0.92rem; font-weight: 700;
  padding: 9px 20px; border-radius: 3px; text-decoration: none;
  border: 1px solid var(--steam-rivet); box-shadow: 2px 2px 0 var(--steam-iron);
}

/* HERO STEAM */
.hero-steam { padding: 65px 0 75px; }
.hero-steam-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px; align-items: center; }
.steam-gauge-tag {
  display: inline-block; background: #fae8c8; border: 1px solid var(--steam-brass);
  padding: 4px 12px; font-size: 0.8rem; font-weight: 800; color: var(--steam-copper);
  margin-bottom: 18px;
}
.hero-title {
  font-size: 2.8rem; font-weight: 900; line-height: 1.25; margin-bottom: 20px;
  color: var(--steam-iron);
}
.hero-title span { color: var(--steam-brass); text-decoration: underline; text-underline-offset: 4px; }
.hero-desc { font-size: 1.05rem; color: #44403c; line-height: 1.85; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 16px; }
.btn-steam-primary {
  background: var(--steam-brass); color: #fff; font-size: 1rem; font-weight: 700;
  padding: 13px 28px; border-radius: 3px; text-decoration: none;
  border: 1px solid var(--steam-rivet); box-shadow: 3px 3px 0 var(--steam-iron);
}
.btn-steam-outline {
  background: transparent; color: var(--steam-iron); font-size: 1rem; font-weight: 700;
  padding: 12px 24px; border-radius: 3px; text-decoration: none;
  border: 2px solid var(--steam-brass);
}

/* STEAM DIAL WIDGET */
.steam-dial-card {
  background: #fbf5e6; border: var(--steam-border); padding: 30px 24px;
  border-radius: 4px; box-shadow: 4px 4px 0 var(--steam-iron); text-align: center;
  position: relative;
}
.steam-dial-circle {
  width: 150px; height: 150px; margin: 0 auto 16px; border-radius: 50%;
  border: 4px double var(--steam-brass); background: #fdfaf3;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  box-shadow: inset 0 0 16px rgba(180, 83, 9, 0.15);
}
.steam-dial-val { font-size: 2.2rem; font-weight: 900; color: var(--steam-iron); line-height: 1; }
.steam-dial-unit { font-size: 0.75rem; color: var(--steam-copper); font-weight: 700; margin-top: 4px; }
.steam-readouts { display: flex; justify-content: space-around; margin: 18px 0; border-top: 1px dashed var(--steam-brass); padding-top: 14px; }
.readout-item { font-size: 0.85rem; color: var(--steam-copper); }
.readout-item strong { display: block; color: var(--steam-iron); font-size: 1.05rem; }
.btn-steam-valve {
  width: 100%; background: var(--steam-iron); color: #f8f2e4; font-size: 0.92rem;
  font-weight: 700; padding: 11px; border: 1px solid var(--steam-brass);
  cursor: pointer; box-shadow: 2px 2px 0 var(--steam-brass);
}

/* BOILER SECTIONS */
.section-steam { padding: 70px 0; }
.steam-head { text-align: center; margin-bottom: 40px; }
.steam-head h2 { font-size: 2.2rem; font-weight: 900; margin-bottom: 8px; }
.steam-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.steam-card {
  background: #fbf5e6; border: 1px solid var(--steam-brass);
  padding: 28px 22px; border-radius: 3px; box-shadow: 2px 2px 0 var(--steam-copper);
}
.steam-card-rivet {
  font-size: 0.75rem; font-weight: 800; color: var(--steam-brass);
  border-bottom: 1px solid var(--steam-brass); padding-bottom: 4px; margin-bottom: 10px;
}
.steam-card h3 { font-size: 1.25rem; font-weight: 900; margin-bottom: 8px; }
.steam-card p { font-size: 0.94rem; color: #44403c; line-height: 1.75; }

/* PRICING */
.pricing-steam-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 24px; }
.steam-plan {
  background: #fbf5e6; border: var(--steam-border); padding: 36px 26px;
  border-radius: 3px; box-shadow: 3px 3px 0 var(--steam-iron); position: relative;
}
.steam-plan.featured { background: #fae8c8; border: 3px solid var(--steam-brass); }
.steam-plan-badge {
  position: absolute; top: -14px; right: 20px;
  background: var(--steam-brass); color: #fff; font-size: 0.75rem;
  font-weight: 800; padding: 2px 10px;
}
.steam-plan h3 { font-size: 1.35rem; font-weight: 900; margin-bottom: 6px; }
.steam-plan-price { font-size: 2.5rem; font-weight: 900; margin: 16px 0; color: var(--steam-copper); }
.steam-plan ul { list-style: none; margin-bottom: 28px; }
.steam-plan li { padding: 8px 0; border-bottom: 1px dashed var(--steam-brass); font-size: 0.92rem; }

footer.site-footer {
  background: #1c1917; color: #f8f2e4; padding: 50px 0 30px; margin-top: 70px;
  border-top: 4px double var(--steam-brass);
}
.footer-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 24px; margin-bottom: 20px; }
.footer-grid a { color: #d6d3d1; text-decoration: none; font-size: 0.92rem; font-weight: 700; }
.footer-grid a:hover { color: var(--steam-gold); }
.footer-bottom { text-align: center; color: #78716c; font-size: 0.85rem; }

/* ARTICLE & LEGAL */
.legal-card, .article-content, .article-container, .article-body, .article-page {
  max-width: 860px; margin: 40px auto 80px; background: #fbf5e6;
  border: var(--steam-border); box-shadow: 4px 4px 0 var(--steam-iron);
  padding: 44px; border-radius: 4px;
}
.legal-card h1, .article-content h1 { font-size: 2.2rem; font-weight: 900; margin-bottom: 16px; color: var(--steam-iron); }
.legal-card h2, .article-content h2 {
  font-size: 1.45rem; font-weight: 900; margin: 32px 0 12px;
  border-bottom: 2px solid var(--steam-brass); padding-bottom: 6px; color: var(--steam-copper);
}
.legal-card p, .article-content p { font-size: 1.02rem; line-height: 1.85; color: #292524; margin-bottom: 16px; }
.legal-card ul, .article-content ul { margin-left: 20px; margin-bottom: 20px; color: #292524; }