/* OpsxAPI 官网 —— 营销单页样式 */
:root {
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --blue-soft: rgba(37, 99, 235, 0.08);
  --bg: #ffffff;
  --bg-alt: #f6f8fc;
  --border: #e4e9f1;
  --text: #111827;
  --text-2: #5b6880;
  --text-3: #98a2b3;
  --green: #059669;
  --amber: #d97706;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(16,24,40,.06), 0 12px 32px rgba(16,24,40,.07);
  --mono: "JetBrains Mono", SFMono-Regular, Menlo, monospace;
}
* { box-sizing: border-box; scroll-behavior: smooth; }
body {
  margin: 0; font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--text); background: var(--bg); font-size: 15px; line-height: 1.75;
}
a { color: var(--blue); text-decoration: none; }
h1,h2,h3 { letter-spacing: -0.015em; }
section[id] { scroll-margin-top: 76px; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.wrap.narrow { max-width: 820px; }
/* ---------- SVG 图标（lucide sprite） ---------- */
.i { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; vertical-align: -2px; }
.i-lg { width: 28px; height: 28px; vertical-align: middle; }
code { font-family: var(--mono); font-size: 13px; background: var(--blue-soft); color: var(--blue-dark); border-radius: 5px; padding: 1px 6px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border-radius: 10px; padding: 9px 20px; font-size: 14.5px; font-weight: 600; cursor: pointer;
  transition: all .18s; border: 1px solid transparent; white-space: nowrap;
}
.btn-lg { padding: 12px 26px; font-size: 15.5px; }
.btn-primary { background: var(--blue); color: #fff !important; box-shadow: 0 6px 18px rgba(37,99,235,.28); }
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-1px); }
.btn-ghost { border-color: var(--border); color: var(--text) !important; background: #fff; }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue) !important; }
.btn-inverse { background: #fff; color: var(--blue) !important; }
.btn-inverse:hover { transform: translateY(-1px); }
.btn-outline { border-color: rgba(255,255,255,.5); color: #fff !important; }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.1); }

/* ---------- 导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.9);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--border);
}
.nav-inner { max-width: 1120px; margin: 0 auto; padding: 0 24px; height: 60px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 9px; }
.brand-logo { display: inline-flex; }
.brand-logo svg { display: block; border-radius: 8px; }
.brand-name { font-size: 17px; font-weight: 800; color: var(--text) !important; }
.nav-links { display: flex; gap: 22px; }
.nav-links a { font-size: 14px; font-weight: 500; color: var(--text-2) !important; }
.nav-links a:hover { color: var(--blue) !important; }
.nav-cta { margin-left: auto; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(37,99,235,.14), transparent 60%),
    radial-gradient(800px 400px at -10% 10%, rgba(5,150,105,.08), transparent 55%),
    linear-gradient(180deg, #f8faff 0%, #fff 100%);
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  max-width: 1120px; margin: 0 auto; padding: 72px 24px 64px;
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 48px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 600; color: var(--blue-dark);
  background: #fff; border: 1px solid rgba(37,99,235,.25); border-radius: 999px; padding: 4px 14px;
  box-shadow: 0 2px 8px rgba(37,99,235,.1); margin-bottom: 18px;
}
.hero h1 { font-size: 44px; line-height: 1.22; font-weight: 800; margin: 0 0 16px; }
.hero h1 em { font-style: normal; color: var(--blue); }
.hero-sub { color: var(--text-2); font-size: 16px; margin: 0 0 26px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-actions.center { justify-content: center; }
.hero-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.hero-pills span {
  font-size: 12px; color: var(--text-2); background: #fff; border: 1px solid var(--border);
  padding: 3px 12px; border-radius: 999px;
}

/* ---------- Mock 界面 ---------- */
.mock {
  border-radius: 14px; overflow: hidden; box-shadow: var(--shadow); border: 1px solid #1e2b45;
  background: #0d1526; transform: perspective(1400px) rotateY(-4deg) rotateX(1.5deg); 
}
.mock-titlebar {
  display: flex; align-items: center; gap: 7px; height: 34px; padding: 0 12px;
  background: #101a30; border-bottom: 1px solid #1e2b45;
}
.mock-titlebar i { width: 11px; height: 11px; border-radius: 50%; background: #3a4a6b; }
.mock-titlebar i:nth-child(1) { background: #f87171; } .mock-titlebar i:nth-child(2) { background: #fbbf24; } .mock-titlebar i:nth-child(3) { background: #34d399; }
.mock-titlebar span { margin-left: 8px; color: #8b99b0; font-size: 11px; }
.mock-body { display: grid; grid-template-columns: 158px minmax(0,1fr); min-height: 320px; }
.mock-side { border-right: 1px solid #1e2b45; padding: 10px 8px; background: #0c1322; }
.mock-search { height: 22px; border-radius: 6px; background: #16213a; margin-bottom: 10px; }
.mock-group { color: #8b99b0; font-size: 11px; padding: 6px 6px 3px; }
.mock-item { display: flex; align-items: center; gap: 6px; color: #aab8d0; font-size: 11.5px; padding: 4px 6px; border-radius: 6px; }
.mock-item.active { background: rgba(37,99,235,.18); color: #93c5fd; }
.mi { width: 11px; height: 11px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; opacity: .8; }
.m-get { color: #34d399; font-style: normal; font-size: 9.5px; min-width: 30px; }
.m-post { color: #fbbf24; font-style: normal; font-size: 9.5px; min-width: 30px; }
.mock-main { padding: 10px 12px; display: flex; flex-direction: column; gap: 9px; }
.mock-urlbar { display: flex; align-items: center; gap: 8px; }
.mock-url {
  flex: 1; background: #0a1120; border: 1px solid #22304f; border-radius: 7px; color: #cbd5e1;
  font-family: var(--mono); font-size: 11px; padding: 6px 10px;
}
.mock-send {
  background: var(--blue); color: #fff; font-size: 11px; font-weight: 600;
  border-radius: 7px; padding: 6px 14px;
}
.mock-req, .mock-resp { border: 1px solid #1e2b45; border-radius: 9px; padding: 8px 10px; background: #0c1322; }
.mock-req .tab, .mock-resp .tab { color: #5c6a83; font-size: 10.5px; margin-right: 12px; }
.mock-req .tab.on { color: #93c5fd; border-bottom: 2px solid var(--blue); padding-bottom: 2px; }
.mock-resp .tab.on { color: #6ee7b7; border-bottom: 2px solid var(--green); padding-bottom: 2px; }
.mock-status { float: right; color: #34d399; font-size: 10px; font-family: var(--mono); }
.mock pre {
  margin: 8px 0 2px; font-family: var(--mono); font-size: 11px; line-height: 1.6; color: #cbd5e1;
  white-space: pre-wrap;
}
.mock pre i { font-style: normal; color: #7dd3fc; }
.mock pre u { text-decoration: none; color: #86efac; }

/* ---------- 通用 Section ---------- */
.section { padding: 72px 0; }
.section.alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.sec-title { font-size: 30px; font-weight: 800; text-align: center; margin: 0 0 8px; }
.sec-sub { text-align: center; color: var(--text-2); margin: 0 0 40px; }
.grid { display: grid; gap: 18px; }
.g3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0,1fr)); }

/* ---------- 卡片 ---------- */
.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; box-shadow: 0 1px 2px rgba(16,24,40,.04); transition: all .18s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(37,99,235,.35); }
.card h3 { font-size: 16px; margin: 0 0 6px; }
.card p { color: var(--text-2); font-size: 13.5px; margin: 0; }
.card-icon { color: var(--blue); margin-bottom: 10px; }
.card-icon .i-lg { width: 30px; height: 30px; }
.card.row { display: flex; gap: 14px; align-items: flex-start; }
.card.row .card-icon { margin: 2px 0 0; }
.card.mini h3 { font-size: 15px; display: flex; align-items: center; gap: 8px; }
.card.mini h3 .i-lg { width: 20px; height: 20px; color: var(--blue); }
.card.mini p { font-size: 13px; }

/* ---------- 协议 ---------- */
.proto {
  background: #fff; border: 1px solid var(--border); border-left: 3px solid var(--blue);
  border-radius: 12px; padding: 18px 20px;
}
.proto h3 { margin: 0 0 6px; font-size: 15.5px; display: flex; align-items: center; gap: 8px; }
.proto h3 .i { color: var(--blue); width: 17px; height: 17px; }
.proto p { margin: 0; color: var(--text-2); font-size: 13.5px; }

/* ---------- 导入导出 ---------- */
.badges { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 18px; }
.badges span {
  background: #fff; border: 1px solid var(--border); border-radius: 999px;
  padding: 6px 16px; font-size: 13px; font-weight: 500; color: var(--text);
}
.badges span.more { border-style: dashed; color: var(--text-2); }
.footnote { text-align: center; color: var(--text-3); font-size: 12.5px; margin: 10px 0 0; }
.exchange-actions { display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 8px 16px;
  font-size: 13px; font-weight: 600; color: var(--text-2);
}
.chip.big { background: var(--blue); border-color: var(--blue); color: #fff; padding: 10px 22px; }
.exchange-arrow { color: var(--text-3); font-size: 15px; }

/* ---------- 对比表 ---------- */
.table-wrap { overflow-x: auto; }
.cmp { border-collapse: collapse; width: 100%; background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 0 0 1px var(--border); font-size: 14px; }
.cmp th, .cmp td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
.cmp th { background: #f9fbfe; font-size: 13.5px; }
.cmp tr:last-child td { border-bottom: none; }
.cmp td.hl { background: rgba(37,99,235,.05); color: var(--blue-dark); }
.cmp th.hl { background: var(--blue); color: #fff; }

/* ---------- 定价 ---------- */
.pricing { display: grid; grid-template-columns: repeat(2, minmax(0, 380px)); gap: 22px; justify-content: center; }
.pricing.three { grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: 1080px; margin: 0 auto; }
.price-card {
  position: relative; background: #fff; border: 1px solid var(--border); border-radius: 16px;
  padding: 30px 28px 26px; box-shadow: 0 1px 2px rgba(16,24,40,.04); display: flex; flex-direction: column;
}
.price-card.featured { border:  2px solid var(--blue); box-shadow: 0 12px 36px rgba(37,99,235,.16); }
.price-card.enterprise {
  background: linear-gradient(160deg, #101a30 0%, #0d1526 70%);
  border: 1px solid #2a3b5e; box-shadow: 0 14px 40px rgba(13,21,38,.4);
}
.price-card.enterprise .plan { color: #8b99b0; }
.price-card.enterprise .price b { color: #fff; font-size: 36px; }
.price-card.enterprise .price span { color: #8b99b0; }
.price-card.enterprise .plan-sub { color: #8b99b0; }
.price-card.enterprise li { color: #aab8d0; border-bottom-color: #22304f; }
.price-card.enterprise .deal-note {
  margin-top: 14px; font-size: 11.5px; line-height: 1.7; color: #8b99b0;
  background: rgba(255,255,255,.05); border: 1px dashed #2a3b5e; border-radius: 9px; padding: 9px 12px;
}
.price-card.enterprise .deal-note b { color: #93c5fd; }
.btn-dark { background: #fff; color: #0d1526 !important; }
.btn-dark:hover { transform: translateY(-1px); background: #e8eefc; }
.plan-tag {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--blue); color: #fff; font-size: 12px; font-weight: 700;
  padding: 3px 14px; border-radius: 999px; white-space: nowrap;
}
.plan-tag.dark { background: #0d1526; border: 1px solid #2a3b5e; }
.plan { font-size: 16px; font-weight: 700; color: var(--text-2); }
.price { margin: 8px 0 2px; }
.price b { font-size: 44px; font-weight: 800; letter-spacing: -.02em; color: var(--text); }
.price span { color: var(--text-3); font-size: 14px; margin-left: 4px; }
.plan-sub { color: var(--text-3); font-size: 13px; margin-bottom: 18px; }
.price-card ul { list-style: none; padding: 0; margin: 0 0 22px; flex: 1; }
.price-card li { font-size: 13.5px; color: var(--text-2); padding: 6px 0; border-bottom: 1px dashed var(--border); }
.price-card li:last-child { border-bottom: none; }
.price-card .btn { width: 100%; }
.growth-title { text-align: center; font-size: 20px; font-weight: 700; margin: 52px 0 22px; }

/* ---------- FAQ ---------- */
.faq details {
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  padding: 16px 20px; margin-bottom: 12px;
}
.faq summary { font-weight: 600; cursor: pointer; font-size: 15px; list-style: none; display: flex; justify-content: space-between; }
.faq summary::after { content: "＋"; color: var(--text-3); font-weight: 400; }
.faq details[open] summary::after { content: "－"; }
.faq details p { margin: 10px 0 0; color: var(--text-2); font-size: 14px; }

/* ---------- CTA ---------- */
.cta {
  background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 55%, #3b82f6 100%);
  color: #fff; text-align: center; padding: 72px 24px;
}
.cta h2 { font-size: 32px; font-weight: 800; margin: 0 0 10px; }
.cta p { color: rgba(255,255,255,.85); margin: 0 0 28px; }

/* ---------- Footer ---------- */
.footer { background: #0d1526; color: #8b99b0; padding: 52px 0 0; font-size: 13.5px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 36px; }
.footer .brand-name { color: #fff !important; }
.footer .f-logo { display: block; border-radius: 8px; }
.footer .brand { display: flex; align-items: center; gap: 9px; }
.footer-desc { margin: 12px 0 0; font-size: 13px; line-height: 1.8; }
.footer h4 { color: #fff; font-size: 13.5px; margin: 4px 0 12px; }
.footer a { display: block; color: #8b99b0 !important; padding: 4px 0; font-size: 13px; }
.footer a:hover { color: #fff !important; }
.footer-bar { border-top: 1px solid #1e2b45; text-align: center; padding: 18px; font-size: 12px; color: #5c6a83; }

/* ---------- 响应式 ---------- */
@media (max-width: 1020px) {
  .hero-inner { grid-template-columns: 1fr; padding-top: 52px; }
  .mock { transform: none; }
  .g4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .g3 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .pricing, .pricing.three { grid-template-columns: minmax(0, 420px); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .nav-links { display: none; }
  .hero h1 { font-size: 32px; }
  .sec-title { font-size: 24px; }
  .g3, .g4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}