/* 辰极气象科技 · 网站统一样式 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0f172a;
  --surface: rgba(255,255,255,.04);
  --surface-alt: rgba(255,255,255,.06);
  --border: rgba(255,255,255,.08);
  --border-hover: rgba(255,255,255,.16);
  --text: #f1f5f9;
  --text-secondary: rgba(255,255,255,.55);
  --text-dim: rgba(255,255,255,.35);
  --primary: #3b82f6;
  --primary-dim: rgba(59,130,246,.12);
  --accent: #60a5fa;
  --accent-dim: rgba(96,165,250,.1);
  --green: #22c55e;
  --yellow: #eab308;
  --orange: #f97316;
  --red: #ef4444;
}
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, "Noto Sans SC", "PingFang SC", Arial, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.7; font-size: 16px;
  min-height: 100vh;
}
.bg-glow {
  position: fixed; inset: 0; z-index: -1; overflow: hidden;
  background:
    radial-gradient(ellipse 70% 50% at 20% 15%, rgba(59,130,246,.06) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 75%, rgba(96,165,250,.04) 0%, transparent 50%);
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: #fff; }

/* Nav */
nav {
  position: sticky; top: 0; z-index: 100; padding: 14px 16px;
}
nav .inner {
  max-width: 1100px; margin: 0 auto; height: 56px;
  display: flex; align-items: center; gap: 2rem;
  padding: 0 28px; border-radius: 16px;
  background: rgba(15,23,42,.85);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,.06);
}
nav .brand { font-weight: 700; font-size: 1.1rem; letter-spacing: .05em; color: #f1f5f9; }
nav .brand span { color: var(--primary); }
nav .nav-links { display: flex; gap: 1.4rem; margin-left: auto; align-items: center; }
nav .nav-links a { color: var(--text-secondary); text-decoration: none; font-size: .88rem; transition: color .2s; white-space: nowrap; }
nav .nav-links a:hover { color: #fff; }
nav .nav-links a.active { color: var(--primary); }

/* Common */
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
section { padding: 3.5rem 0; }
h2 { font-size: 1.5rem; text-align: center; margin-bottom: .4rem; font-weight: 600; }
h2 + .section-sub { text-align: center; color: var(--text-secondary); margin-bottom: 2.5rem; font-size: .92rem; }

/* Page header */
.page-header { text-align: center; padding: 4rem 1.5rem 2rem; }
.page-header h1 { font-size: 2.2rem; font-weight: 700; margin-bottom: .6rem; }
.page-header h1 span { color: var(--primary); }
.page-header p { color: var(--text-secondary); font-size: .95rem; max-width: 600px; margin: 0 auto; }

/* Card grid */
.card-grid { display: grid; gap: 1.2rem; }
.card-grid-2 { grid-template-columns: 1fr 1fr; }
.card-grid-3 { grid-template-columns: 1fr 1fr 1fr; }
@media (max-width: 800px) { .card-grid-2, .card-grid-3 { grid-template-columns: 1fr; } }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 1.5rem;
  transition: border-color .3s;
}
.card:hover { border-color: var(--border-hover); }
.card h3 { font-size: 1rem; font-weight: 600; margin-bottom: .6rem; color: var(--text); }
.card .value-lg { font-size: 2rem; font-weight: 700; }
.card .label-sm { font-size: .78rem; color: var(--text-dim); margin-top: .2rem; }

/* Stat cards (dashboard) */
.stat-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 1.2rem 1.5rem; text-align: center;
}
.stat-card .value { font-size: 1.8rem; font-weight: 700; }
.stat-card .label { font-size: .8rem; color: var(--text-dim); margin-top: .2rem; }
.stat-card .trend { font-size: .75rem; margin-top: .2rem; }
.trend-up { color: var(--orange); }
.trend-down { color: var(--green); }
.trend-flat { color: var(--text-dim); }

/* Chart containers */
.chart-box {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 1.2rem; height: 320px; position: relative;
}
.chart-box h3 { font-size: .92rem; font-weight: 600; margin-bottom: .5rem; }
.chart-box canvas { width: 100% !important; height: calc(100% - 30px) !important; }

/* Table */
.data-table { width: 100%; border-collapse: collapse; font-size: .85rem; }
.data-table th { text-align: left; padding: .6rem .8rem; color: var(--text-dim); font-weight: 500; border-bottom: 1px solid var(--border); font-size: .78rem; }
.data-table td { padding: .5rem .8rem; border-bottom: 1px solid rgba(255,255,255,.04); }
.data-table tr:hover td { background: rgba(255,255,255,.02); }
.data-table .num { font-family: "SF Mono", "Fira Code", monospace; text-align: right; }
.tag { display: inline-block; padding: .1rem .5rem; border-radius: 4px; font-size: .75rem; font-weight: 500; }
.tag-red { background: rgba(239,68,68,.15); color: var(--red); }
.tag-orange { background: rgba(249,115,22,.15); color: var(--orange); }
.tag-green { background: rgba(34,197,94,.15); color: var(--green); }
.tag-blue { background: rgba(59,130,246,.15); color: var(--primary); }

/* Section spacer */
.section-gap { height: 1px; background: var(--border); margin: 1rem 0; }

/* Footer */
footer { text-align: center; padding: 2.5rem; border-top: 1px solid var(--border); color: var(--text-dim); font-size: .82rem; margin-top: 2rem; }
footer a { color: var(--text-secondary); }
footer a:hover { color: var(--primary); }

/* Status badges */
.status-ok { color: var(--green); }
.status-warn { color: var(--orange); }
.status-danger { color: var(--red); }

/* Loading */
.loading { text-align: center; padding: 3rem; color: var(--text-dim); }
.loading::after { content: "加载中..."; }

/* Responsive */
@media (max-width: 700px) {
  .page-header h1 { font-size: 1.6rem; }
  nav .nav-links { gap: 1rem; }
  nav .nav-links a { font-size: .78rem; }
  .stat-card .value { font-size: 1.3rem; }
}
/* Hero section */
.hero {
  text-align: center; padding: 5rem 1.5rem 3.5rem;
}
.hero h1 {
  font-size: 2.8rem; font-weight: 700; margin-bottom: .8rem;
  color: #f1f5f9; letter-spacing: .02em;
}
.hero h1 span { color: var(--primary); }
.hero .sub {
  font-size: 1.05rem; color: var(--text-secondary);
  max-width: 560px; margin: 0 auto 2rem;
}
.hero .meta {
  font-size: .85rem; color: var(--text-dim);
  letter-spacing: .12em;
}
.hero .meta span { color: var(--primary); }

/* Service cards (homepage) */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
@media (max-width: 700px) { .services { grid-template-columns: 1fr; } }
.service-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; padding: 2rem 1.5rem; text-align: center;
  transition: transform .3s, border-color .3s;
}
.service-card:hover { transform: translateY(-3px); border-color: var(--border-hover); }
.service-card .icon { font-size: 2rem; margin-bottom: .8rem; }
.service-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: .4rem; }
.service-card p { font-size: .85rem; color: var(--text-secondary); }

/* News list (homepage) */
.news-list { max-width: 600px; margin: 0 auto; }
.news-item { padding: 1rem 0; border-bottom: 1px solid var(--border); }
.news-item .date { font-size: .78rem; color: var(--text-dim); }
.news-item .text { font-size: .9rem; color: var(--text-secondary); margin-top: .2rem; }

/* Pricing (homepage) */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 700px) { .pricing-grid { grid-template-columns: 1fr; } }
.pricing-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 1.8rem 1.2rem; text-align: center;
}
.pricing-card.featured { border-color: var(--primary); }
.pricing-card h3 { font-size: .95rem; }
.pricing-card .price { font-size: 1.6rem; font-weight: 700; margin: .6rem 0; }
.pricing-card .price small { font-size: .4em; font-weight: 400; color: var(--text-dim); }
.pricing-card p { font-size: .82rem; color: var(--text-secondary); margin-bottom: .2rem; }

/* Contact (homepage) */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; max-width: 600px; margin: 0 auto; }
@media (max-width: 700px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-item {
  display: flex; align-items: center; gap: .8rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 1rem 1.2rem;
}
.contact-item .label { font-size: .78rem; color: var(--text-dim); }
.contact-item .value { font-size: .88rem; }

/* Quick index (homepage) */
.quick-index { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; margin-bottom: 2rem; }
@media (max-width: 700px) { .quick-index { grid-template-columns: repeat(2, 1fr); } }
.index-card {
  background: var(--surface-alt); border: 1px solid var(--border);
  border-radius: 10px; padding: 1rem; text-align: center;
}
.index-card .val { font-size: 1.3rem; font-weight: 700; }
.index-card .lbl { font-size: .72rem; color: var(--text-dim); margin-top: .2rem; }

/* Page title bar */
.page-title-bar { text-align: center; padding: 3rem 1.5rem 1.5rem; }
.page-title-bar h1 { font-size: 2rem; font-weight: 700; }
.page-title-bar h1 span { color: var(--primary); }
.page-title-bar p { color: var(--text-secondary); font-size: .9rem; margin-top: .4rem; }

/* Validation section */
.val-section { margin-bottom: 2.5rem; }
.val-section h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: .8rem; }
.val-section .stat-row { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.val-section .stat-item { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: .8rem 1.2rem; min-width: 120px; }
.val-section .stat-item .val { font-size: 1.2rem; font-weight: 700; }
.val-section .stat-item .lbl { font-size: .72rem; color: var(--text-dim); margin-top: .1rem; }

/* Risk level indicators */
.risk-low { color: var(--green); }
.risk-moderate { color: var(--yellow); }
.risk-high { color: var(--orange); }
.risk-extreme { color: var(--red); }

/* Article cards (homepage) */
.article-card-grid { max-width: 720px; margin: 0 auto; display: grid; gap: 1.2rem; }
.article-card {
  display: block; background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; padding: 1.8rem; transition: transform .3s, border-color .3s;
}
.article-card:hover { transform: translateY(-3px); border-color: var(--border-hover); }
.article-q { font-size: 1.15rem; font-weight: 700; color: var(--accent); margin-bottom: .6rem; }
.article-title { font-size: 1rem; font-weight: 600; color: var(--text); margin-bottom: .5rem; }
.article-desc { font-size: .88rem; color: var(--text-secondary); margin-bottom: .9rem; }
.article-meta { display: flex; gap: .5rem; flex-wrap: wrap; }

/* Article page */
.article-body { max-width: 720px; margin: 0 auto; padding: 0 1.5rem 2rem; }
.article-body h2 { text-align: left; font-size: 1.4rem; margin: 2.2rem 0 .8rem; }
.article-body h3 { font-size: 1.05rem; margin: 1.8rem 0 .6rem; color: var(--accent); }
.article-body p { margin: .8rem 0; color: var(--text-secondary); line-height: 1.8; }
.article-body strong { color: var(--text); }
.article-body .callout {
  background: var(--surface-alt); border: 1px solid var(--border);
  border-left: 3px solid var(--primary); border-radius: 10px;
  padding: 1.1rem 1.3rem; margin: 1.2rem 0; color: var(--text);
}
.article-body .guess {
  background: var(--primary-dim); border: 1px solid rgba(59,130,246,.25);
  border-radius: 10px; padding: 1.1rem 1.3rem; margin: 1.2rem 0;
}
.article-body .guess p { color: var(--text); margin: 0; }
.article-body .guess ul { color: var(--text); margin: .4rem 0 0; }
.article-body ul { margin: .8rem 0; padding-left: 1.4rem; color: var(--text-secondary); line-height: 1.8; }
.article-body li { margin: .3rem 0; }
.article-body blockquote {
  border-left: 3px solid var(--primary); background: var(--surface-alt);
  border-radius: 0 8px 8px 0; padding: .8rem 1.1rem; margin: 1rem 0;
  color: var(--text-secondary); line-height: 1.8;
}
.article-body code, .article-body pre { font-family: "SF Mono", "Fira Code", monospace; }
.article-body pre {
  background: var(--surface-alt); border: 1px solid var(--border);
  border-radius: 10px; padding: 1rem 1.2rem; overflow-x: auto;
  font-size: .85rem; color: var(--text);
}
.article-body .takeaway {
  background: rgba(34,197,94,.08); border: 1px solid rgba(34,197,94,.25);
  border-radius: 10px; padding: 1.1rem 1.3rem; margin: 2rem 0 1rem;
}
.article-body .takeaway h3 { color: var(--green); margin: 0 0 .5rem; }
.article-body .src-note { font-size: .8rem; color: var(--text-dim); margin-top: 1.5rem; border-top: 1px solid var(--border); padding-top: 1rem; }
.article-body .verify-mark {
  background: rgba(34,197,94,.06); border: 1px solid rgba(34,197,94,.3);
  border-left: 3px solid var(--green); border-radius: 10px;
  padding: 1rem 1.3rem; margin: 2rem 0 0; font-size: .9rem;
}
.article-body .verify-mark .verify-head { margin: 0 0 .5rem; color: var(--text); }
.article-body .verify-mark .verify-tier {
  display: inline-block; margin-left: .5rem; padding: .05rem .5rem;
  border-radius: 4px; font-size: .75rem; font-weight: 500;
  background: rgba(34,197,94,.15); color: var(--green);
}
.article-body .verify-mark ul { margin: 0; padding-left: 1.2rem; color: var(--text-secondary); }
.article-body .verify-mark li { line-height: 1.7; }