/* 北京GEO服务商 — 高端版式（内容重排） */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg: #0a0b10;
  --bg-2: #101218;
  --bg-card: #14161d;
  --gold: #d6b77c;
  --gold-2: #ecd5a4;
  --ink: #f2efe9;
  --ink-2: #c9c5bb;
  --muted: #8b877d;
  --line: rgba(255,255,255,.07);
  --line-gold: rgba(214,183,124,.32);
  --red: #e07a6a;
  --green: #7fc9a0;
}
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  letter-spacing: .2px;
}
a { text-decoration: none; color: inherit; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 28px; }
.container.narrow { max-width: 820px; }

/* ===== 顶部 ===== */
.topbar { background: rgba(10,11,16,.92); border-bottom: 1px solid var(--line); padding: 18px 0; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; }
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  width: 48px; height: 48px; border-radius: 13px;
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  color: #14120c; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 13px; letter-spacing: 1px;
  box-shadow: 0 6px 18px rgba(214,183,124,.28);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text b { font-size: 22px; font-weight: 700; color: #fff; letter-spacing: 1px; }
.brand-text h1 { font-size: 12px; font-weight: 400; color: var(--muted); letter-spacing: 3px; margin: 0; margin-top: 3px; }
.topbar-right { display: flex; align-items: center; gap: 24px; }
.topbar-tel { font-size: 16px; color: var(--gold); font-weight: 600; letter-spacing: .5px; }
.topbar-tel:hover { color: var(--gold-2); }
.topbar-wx { font-size: 13px; color: var(--muted); letter-spacing: 1px; }

/* ===== Hero（居中） ===== */
.hero {
  position: relative; padding: 130px 0 100px; overflow: hidden; text-align: center;
  background:
    radial-gradient(1000px 460px at 50% -15%, rgba(214,183,124,.10), transparent 60%),
    linear-gradient(180deg, #0a0b10, #0d0e14);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 70%);
}
.hero-inner { position: relative; z-index: 2; }
.tag { display: inline-flex; align-items: center; gap: 10px; font-size: 12px; letter-spacing: 4px; color: var(--gold); font-weight: 600; text-transform: uppercase; margin-bottom: 28px; }
.tag::before, .tag::after { content: ""; width: 26px; height: 1px; background: var(--gold); }
.hero-title { font-size: 66px; line-height: 1.1; font-weight: 600; letter-spacing: -2px; margin-bottom: 26px; }
.hero-title span { color: var(--gold); }
.hero-question { font-size: 24px; font-weight: 300; color: var(--ink-2); letter-spacing: .5px; margin-bottom: 20px; }
.hero .sub { color: var(--ink-2); font-size: 17px; font-weight: 300; max-width: 640px; margin: 0 auto 40px; }
.hero-cta { display: flex; gap: 16px; justify-content: center; align-items: center; margin-bottom: 56px; }
.hero-qr { display: flex; align-items: center; gap: 14px; background: rgba(255,255,255,.05); border: 1px solid var(--line-gold); border-radius: 16px; padding: 14px 24px 14px 16px; transition: .2s; }
.hero-qr img { width: 90px; height: 90px; border-radius: 12px; }
.hero-qr span { font-size: 18px; color: var(--ink-2); font-weight: 500; }
.hero-qr:hover { border-color: var(--gold); background: rgba(214,183,124,.06); }
.btn-main { background: linear-gradient(135deg, var(--gold), var(--gold-2)); color: #14120c; font-weight: 600; font-size: 15px; padding: 15px 34px; border-radius: 40px; transition: .2s; }
.btn-main:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(214,183,124,.35); }
.btn-ghost { color: #fff; font-weight: 500; font-size: 15px; padding: 15px 30px; border-radius: 40px; border: 1px solid rgba(255,255,255,.22); transition: .2s; }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold-2); }
.hero-stats { display: flex; gap: 0; justify-content: center; border-top: 1px solid var(--line); padding-top: 44px; }
.hs { flex: 1; max-width: 180px; border-left: 1px solid var(--line); padding: 0 22px; }
.hs:first-child { border-left: none; }
.hs b { display: block; font-size: 30px; font-weight: 600; color: #fff; }
.hs span { font-size: 12px; color: var(--muted); letter-spacing: 1px; }

/* ===== 区块标题 ===== */
.section { padding: 104px 0; }
.section.gray { background: var(--bg-2); }
.section.dark { background: linear-gradient(180deg, #0b0c12, #0a0b10); }
.sec-head { text-align: center; max-width: 640px; margin: 0 auto 60px; }
.kicker { display: inline-block; font-size: 12px; letter-spacing: 4px; color: var(--gold); text-transform: uppercase; font-weight: 600; margin-bottom: 16px; }
.sec-head h2 { font-size: 36px; font-weight: 600; letter-spacing: -1px; line-height: 1.25; }
.sec-head p { color: var(--muted); margin-top: 14px; font-size: 15px; font-weight: 300; }

/* ===== 痛点对比 ===== */
.compare { display: grid; grid-template-columns: 1fr auto 1fr; gap: 36px; align-items: stretch; max-width: 1000px; margin: 0 auto; }
.compare-col { background: var(--bg-card); border: 1px solid var(--line); border-radius: 18px; padding: 40px 38px; }
.compare-col.good { border-color: var(--line-gold); }
.compare-title { font-size: 18px; font-weight: 600; letter-spacing: 2px; margin-bottom: 24px; color: var(--ink-2); }
.compare-col.good .compare-title { color: var(--gold); }
.compare ul { list-style: none; }
.compare li { padding: 14px 0; font-size: 16px; color: var(--muted); display: flex; align-items: center; gap: 12px; }
.compare li.bad::before { content: "✕"; color: var(--red); font-weight: 700; font-size: 18px; }
.compare li.ok::before { content: "✓"; color: var(--green); font-weight: 700; font-size: 18px; }
.compare li.ok { color: var(--ink-2); }
.compare-vs { align-self: center; font-size: 22px; font-weight: 700; color: var(--gold); letter-spacing: 2px; }

/* ===== GEO是什么 ===== */
.geo-intro { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.gi { background: var(--bg-card); border: 1px solid var(--line); border-radius: 16px; padding: 34px 28px; }
.gi b { font-size: 15px; font-weight: 600; color: var(--gold); display: block; margin-bottom: 16px; }
.gi h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.gi p { color: var(--muted); font-size: 14px; font-weight: 300; }

/* ===== 核心服务 ===== */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service { background: var(--bg-card); border: 1px solid var(--line); border-radius: 16px; padding: 36px 30px; position: relative; overflow: hidden; transition: .25s; }
.service::before { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 2px; background: linear-gradient(90deg, var(--gold), transparent); opacity: 0; transition: .3s; }
.service:hover { border-color: var(--line-gold); transform: translateY(-4px); }
.service:hover::before { opacity: 1; }
.s-num { font-size: 14px; font-weight: 600; color: var(--gold); margin-bottom: 18px; letter-spacing: 1px; }
.service h3 { font-size: 20px; font-weight: 600; margin-bottom: 12px; }
.service p { color: var(--muted); font-size: 14px; font-weight: 300; }

/* ===== 优势 ===== */
.adv { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.adv-item { background: rgba(255,255,255,.025); border: 1px solid var(--line); border-radius: 16px; padding: 32px 28px; transition: .25s; }
.adv-item:hover { border-color: var(--line-gold); background: rgba(214,183,124,.04); }
.adv-item span { font-size: 13px; font-weight: 600; color: var(--gold); letter-spacing: 1px; }
.adv-item h3 { font-size: 18px; font-weight: 600; color: #fff; margin: 14px 0 8px; }
.adv-item p { color: var(--muted); font-size: 14px; font-weight: 300; }

/* ===== 案例 ===== */
.cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.case { background: var(--bg-card); border: 1px solid var(--line); border-radius: 16px; padding: 32px 28px; transition: .25s; }
.case:hover { border-color: var(--line-gold); }
.c-tag { display: inline-block; font-size: 12px; letter-spacing: 2px; color: var(--gold); border: 1px solid var(--line-gold); padding: 4px 12px; border-radius: 20px; margin-bottom: 16px; }
.case h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.case p { color: var(--muted); font-size: 14px; font-weight: 300; margin-bottom: 18px; }
.c-data { border-top: 1px solid var(--line); padding-top: 16px; }
.c-data b { font-size: 24px; font-weight: 600; color: var(--gold); display: block; }
.c-data span { font-size: 12px; color: var(--muted); letter-spacing: 1px; }

/* ===== 报价 ===== */
.pricing { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; max-width: 720px; margin: 0 auto; }
.price-card { background: var(--bg-card); border: 1px solid var(--line); border-radius: 18px; padding: 40px 36px; position: relative; transition: .25s; }
.price-card.hot { background: linear-gradient(160deg, rgba(214,183,124,.09), rgba(214,183,124,.02)); border-color: var(--line-gold); }
.price-card.hot::after { content: "推荐"; position: absolute; top: 20px; right: 20px; font-size: 11px; color: #14120c; background: linear-gradient(135deg, var(--gold), var(--gold-2)); padding: 4px 12px; border-radius: 20px; font-weight: 700; }
.price-name { font-size: 13px; letter-spacing: 3px; color: var(--gold); font-weight: 600; text-transform: uppercase; }
.price-amount { font-size: 46px; font-weight: 600; color: #fff; margin: 12px 0 4px; }
.price-amount small { font-size: 15px; font-weight: 300; color: var(--muted); margin-left: 6px; }
.price-unit { font-size: 13px; color: var(--gold); margin-bottom: 20px; }
.price-desc { font-size: 14px; color: var(--muted); font-weight: 300; }

/* ===== 流程 ===== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { background: var(--bg-card); border: 1px solid var(--line); border-radius: 16px; padding: 32px 24px; text-align: center; transition: .25s; }
.step:hover { border-color: var(--line-gold); transform: translateY(-3px); }
.step-num { width: 46px; height: 46px; margin: 0 auto 18px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--line-gold); color: var(--gold); border-radius: 50%; font-size: 18px; font-weight: 600; }
.step h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 13px; font-weight: 300; }

/* ===== FAQ ===== */
.faq { display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: var(--bg-card); border: 1px solid var(--line); border-radius: 14px; padding: 24px 28px; transition: .2s; }
.faq-item:hover { border-color: var(--line-gold); }
.faq-item h3 { font-size: 17px; font-weight: 600; color: var(--ink); margin-bottom: 10px; }
.faq-item h3::before { content: "Q "; color: var(--gold); font-weight: 700; }
.faq-item p { color: var(--muted); font-size: 14px; font-weight: 300; }

/* ===== 文章 ===== */
.art-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.art-card { background: var(--bg-card); border: 1px solid var(--line); border-radius: 14px; padding: 20px 24px; display: flex; flex-direction: column; gap: 6px; transition: .2s; }
.art-card:hover { border-color: var(--line-gold); }
.art-title { font-weight: 600; font-size: 16px; color: var(--ink); }
.art-card:hover .art-title { color: var(--gold); }
.art-desc { font-size: 12px; color: var(--muted); font-weight: 300; line-height: 1.55; }
.art-meta { display: flex; gap: 12px; align-items: center; }
.art-date { font-size: 12px; color: #6b675e; }
.art-cat { font-size: 12px; color: var(--gold); border: 1px solid var(--line-gold); padding: 1px 10px; border-radius: 20px; }

/* ===== 友情链接 ===== */
.friend-links { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.friend-links a { font-size: 13px; color: var(--muted); border: 1px solid var(--line); padding: 8px 18px; border-radius: 24px; transition: .2s; }
.friend-links a:hover { border-color: var(--line-gold); color: var(--gold); }

/* ===== footer ===== */
footer { background: #08090c; border-top: 1px solid var(--line); padding: 60px 0 46px; text-align: center; }
.f-contact { font-size: 16px; margin-bottom: 16px; }
.f-contact a { color: var(--gold); font-weight: 600; }
.f-desc { font-size: 13px; color: var(--muted); max-width: 720px; margin: 0 auto 24px; font-weight: 300; }
.f-copy { font-size: 12px; color: #5f5b53; }
.f-copy a { color: #8b877d; }

/* 响应式 */
@media (max-width: 900px) {
  .hero h1 { font-size: 42px; }
  .compare { grid-template-columns: 1fr; }
  .compare-vs { text-align: center; }
  .geo-intro, .services, .adv, .cases { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .art-grid { grid-template-columns: 1fr; }
  .pricing { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; }
  .hs { min-width: 40%; border-left: none; padding: 12px 0; }
}
