/* ============================================================
   环球360官网 · 共享样式
   视觉体系：深墨蓝 + 暖金，编辑式衬线标题，克制商业感
   ============================================================ */

/* ---------- 设计令牌 ---------- */
:root {
  --navy: #0f2b45;
  --navy-2: #163a5e;
  --navy-dark: #0a1e30;
  --gold: #c89b4b;
  --gold-soft: #e6c789;
  --bg: #f7f5f0;
  --paper: #ffffff;
  --ink: #1e2834;
  --muted: #5c6a78;
  --line: #e2dccf;
  --line-dark: rgba(255,255,255,.14);
  --shadow: 0 14px 34px rgba(15,43,69,.10);
  --serif: "Noto Serif SC", "Songti SC", SimSun, serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "微软雅黑", system-ui, sans-serif;
  --container: 1160px;
  --radius: 10px;
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; font-family: var(--serif); line-height: 1.25; font-weight: 600; }
p { margin: 0 0 1em; }
strong { font-weight: 600; }

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--navy); color: #fff;
  padding: .6rem 1rem; z-index: 100; border-radius: 0 0 6px 0;
}
.skip-link:focus { left: 0; color: #fff; }

.container { width: min(var(--container), 92%); margin-inline: auto; }

/* ---------- 排版层级 ---------- */
h1 { font-size: clamp(1.9rem, 4vw, 2.9rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.18rem; }
.section { padding: 72px 0; }
.section--tight { padding: 56px 0; }
.section--dark { background: var(--navy); color: #eaf0f5; }
.section--paper { background: var(--paper); }

.eyebrow {
  font-size: .82rem; letter-spacing: .14em; color: var(--gold); text-transform: none;
  font-weight: 500; margin-bottom: 14px; display: block;
}
.section--dark .eyebrow { color: var(--gold-soft); }
.section-head { max-width: 640px; margin-bottom: 40px; }
.section-head--center { margin-inline: auto; text-align: center; }
.lead { color: var(--muted); font-size: 1.02rem; }
.section--dark .lead { color: #b6c3cf; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 6px; font-weight: 500; font-size: .96rem;
  border: 1px solid transparent; cursor: pointer; transition: .18s ease;
  font-family: var(--sans);
}
.btn--gold { background: var(--gold); color: #1d1406; }
.btn--gold:hover { background: var(--gold-soft); }
.btn--line { border-color: var(--line-dark); color: #eaf0f5; background: transparent; }
.btn--line:hover { border-color: var(--gold); color: var(--gold-soft); }
.btn--navy { background: var(--navy); color: #fff; }
.btn--navy:hover { background: var(--navy-2); }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand__mark {
  width: 40px; height: 40px; border-radius: 8px; background: var(--navy);
  color: var(--gold); display: grid; place-items: center; font-family: var(--serif);
  font-weight: 700; font-size: .9rem; letter-spacing: 0;
}
.brand__text { line-height: 1.15; }
.brand__name { font-family: var(--serif); font-weight: 700; font-size: 1.18rem; color: var(--navy); }
.brand__sub { font-size: .66rem; letter-spacing: .22em; color: var(--muted); }

.main-nav ul { display: flex; gap: 4px; }
.main-nav a {
  display: block; padding: 8px 14px; font-size: .96rem; color: var(--ink);
  border-radius: 6px; transition: .16s;
}
.main-nav a:hover { color: var(--navy); background: #eef0f2; }
.main-nav a.is-active { color: var(--gold); font-weight: 600; }
.nav-cta { display: flex; align-items: center; gap: 10px; }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--navy); margin: 5px 0; transition: .2s; }

/* ---------- 页头横幅（内页） ---------- */
.page-hero {
  background: var(--navy); color: #fff; padding: 58px 0 46px; position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(600px 300px at 85% -10%, rgba(200,155,75,.22), transparent 60%),
    radial-gradient(500px 280px at 8% 120%, rgba(22,58,94,.8), transparent 60%);
  pointer-events: none;
}
.page-hero .container { position: relative; }
.page-hero h1 { margin-bottom: 12px; }
.page-hero .lead { color: #c3d0dc; max-width: 720px; }
.crumb { font-size: .84rem; color: #9db0c1; margin-bottom: 22px; display: flex; gap: 8px; flex-wrap: wrap; }
.crumb a:hover { color: var(--gold-soft); }
.crumb span { color: var(--gold-soft); }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative; min-height: 600px; display: flex; align-items: center;
  color: #fff; overflow: hidden; background: var(--navy-dark);
}
.hero__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(10,30,48,.86) 0%, rgba(10,30,48,.62) 45%, rgba(10,30,48,.28) 100%);
}
.hero__inner { position: relative; z-index: 2; padding: 90px 0; max-width: 760px; }
.hero__eyebrow { color: var(--gold-soft); letter-spacing: .16em; font-size: .84rem; margin-bottom: 18px; display: block; }
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); margin-bottom: 20px; }
.hero p { color: #dfe8ef; font-size: 1.08rem; max-width: 560px; margin-bottom: 30px; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__stat { display: flex; gap: 42px; margin-top: 46px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.16); flex-wrap: wrap; }
.hero__stat strong { font-family: var(--serif); font-size: 1.9rem; color: #fff; display: block; line-height: 1.1; }
.hero__stat strong em { font-style: normal; color: var(--gold-soft); }
.hero__stat span { font-size: .86rem; color: #aebdcc; }

/* ---------- 服务卡片 ---------- */
.grid { display: grid; gap: 22px; }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--cases { grid-template-columns: repeat(3, 1fr); }

.service-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; transition: .2s ease;
}
.service-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.service-card__num {
  font-family: var(--serif); color: var(--gold); font-size: .92rem; font-weight: 700;
  letter-spacing: .08em; display: block; margin-bottom: 12px;
}
.service-card h3 { margin-bottom: 10px; }
.service-card p { color: var(--muted); font-size: .94rem; margin-bottom: 0; }
.service-card a.more { font-size: .9rem; color: var(--navy); font-weight: 500; }
.service-card a.more:hover { color: var(--gold); }
.service-icon { width: 46px; height: 46px; margin-bottom: 16px; color: var(--navy); }

/* ---------- 数据统计 ---------- */
.stats-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { text-align: center; padding: 8px; }
.stat strong { font-family: var(--serif); font-size: 2.5rem; color: var(--navy); display: block; line-height: 1.1; }
.stat strong em { font-style: normal; color: var(--gold); }
.stat span { color: var(--muted); font-size: .92rem; }
.section--dark .stat strong { color: #fff; }
.section--dark .stat span { color: #aebdcc; }

/* ---------- 图文分栏 ---------- */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 44px; align-items: center; }
.split--reverse { grid-template-columns: 1fr 1.05fr; }
.split__media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.split__media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; }
.checklist li { display: flex; gap: 12px; margin-bottom: 14px; color: var(--ink); }
.checklist li::before {
  content: ""; width: 8px; height: 8px; margin-top: 11px; border-radius: 50%;
  background: var(--gold); flex: none;
}

/* ---------- 新闻卡片 ---------- */
.news-card { display: flex; flex-direction: column; }
.news-card__media, .case-card__media, .news-list__media { display: block; }
.news-card__media { border-radius: var(--radius); overflow: hidden; margin-bottom: 16px; aspect-ratio: 16 / 10; }
.news-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.news-card:hover .news-card__media img { transform: scale(1.04); }
.news-card__date { font-size: .84rem; color: var(--gold); margin-bottom: 8px; }
.news-card h3 { font-size: 1.05rem; line-height: 1.45; margin-bottom: 8px; }
.news-card h3 a:hover { color: var(--gold); }
.news-card p { font-size: .92rem; color: var(--muted); }

/* ---------- 客户背书 ---------- */
.quote-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; position: relative; }
.quote-card__mark { font-family: var(--serif); color: var(--gold); font-size: 2.4rem; line-height: 1; height: 26px; }
.quote-card blockquote { margin: 14px 0 20px; color: var(--ink); font-size: 1rem; }
.quote-card__who { display: flex; align-items: center; gap: 12px; }
.avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--navy); color: var(--gold-soft); display: grid; place-items: center; font-family: var(--serif); font-weight: 700; font-size: .92rem; }
.quote-card__who strong { display: block; font-size: .96rem; }
.quote-card__who span { font-size: .84rem; color: var(--muted); }

/* ---------- 案例卡片 ---------- */
.case-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: .2s ease; }
.case-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.case-card__media { aspect-ratio: 16 / 10; overflow: hidden; }
.case-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.case-card:hover .case-card__media img { transform: scale(1.04); }
.case-card__body { padding: 22px 24px 26px; }
.case-card__tag { font-size: .78rem; color: var(--gold); letter-spacing: .08em; margin-bottom: 8px; display: block; }
.case-card h3 { margin-bottom: 8px; font-size: 1.12rem; }
.case-card p { color: var(--muted); font-size: .92rem; }
.case-card__metrics { display: flex; gap: 26px; margin-top: 16px; padding-top: 16px; border-top: 1px dashed var(--line); }
.case-card__metrics strong { font-family: var(--serif); color: var(--navy); font-size: 1.3rem; display: block; }
.case-card__metrics span { font-size: .8rem; color: var(--muted); }

/* ---------- 时间轴 ---------- */
.timeline { display: grid; grid-template-columns: 110px 1fr; gap: 0; }
.timeline__item { display: contents; }
.timeline__date {
  padding: 22px 22px 22px 0; text-align: right; color: var(--gold); font-weight: 600;
  border-right: 1px solid var(--line); font-family: var(--serif);
}
.timeline__axis { width: 1px; background: var(--line); position: relative; margin: 0 26px; }
.timeline__axis i { position: absolute; left: 50%; top: 30px; width: 11px; height: 11px; transform: translateX(-50%); background: var(--gold); border: 3px solid var(--bg); border-radius: 50%; }
.timeline__body { padding: 20px 0; }
.timeline__body h3 { font-size: 1.08rem; margin-bottom: 4px; }
.timeline__body p { color: var(--muted); font-size: .94rem; margin: 0; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); }
table { width: 100%; border-collapse: collapse; table-layout: fixed; font-size: .95rem; }
colgroup col:first-child { width: 22%; }
colgroup col { width: 26%; }
th, td { padding: 14px 18px; text-align: left; vertical-align: top; }
thead th { background: var(--navy); color: #fff; font-weight: 500; font-size: .92rem; }
tbody tr { border-top: 1px solid var(--line); }
tbody tr:nth-child(even) { background: #faf8f4; }

/* ---------- 联系/表单 ---------- */
.form { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; }
.form label { display: block; font-weight: 500; margin-bottom: 6px; font-size: .95rem; }
.form input, .form select, .form textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 6px;
  font-family: var(--sans); font-size: .96rem; background: #fff; color: var(--ink);
}
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--gold); outline-offset: 0; border-color: var(--gold); }
.form textarea { min-height: 130px; resize: vertical; }
.form .field { margin-bottom: 18px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-block { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.contact-item { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.contact-item h3 { font-size: 1rem; margin-bottom: 6px; }
.contact-item p { color: var(--muted); font-size: .94rem; margin: 0; }
.contact-item svg { width: 30px; height: 30px; color: var(--gold); margin-bottom: 14px; }

/* ---------- 面包屑/分页 ---------- */
.pager { display: flex; gap: 8px; justify-content: center; margin-top: 40px; }
.pager a, .pager span { display: grid; place-items: center; min-width: 40px; height: 40px; padding: 0 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--paper); color: var(--ink); font-size: .92rem; }
.pager .is-current { background: var(--navy); color: #fff; border-color: var(--navy); }
.pager a:hover { border-color: var(--gold); color: var(--gold); }

/* ---------- CTA 区块 ---------- */
.cta-band { background: var(--navy); color: #fff; text-align: center; padding: 64px 0; }
.cta-band h2 { margin-bottom: 12px; }
.cta-band p { color: #c3d0dc; max-width: 560px; margin: 0 auto 28px; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--navy-dark); color: #b8c6d3; padding: 56px 0 26px; font-size: .92rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 34px; margin-bottom: 34px; }
.footer-brand .brand__name { color: #fff; }
.footer-brand p { margin-top: 14px; color: #93a4b4; max-width: 280px; }
.footer-col h4 { color: #fff; font-family: var(--sans); font-weight: 600; font-size: .96rem; margin-bottom: 16px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a:hover { color: var(--gold-soft); }
.footer-contact li { margin-bottom: 12px; display: flex; gap: 10px; align-items: baseline; }
.footer-contact svg { width: 16px; height: 16px; color: var(--gold); flex: none; transform: translateY(2px); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 20px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: #7f92a3; font-size: .84rem; }

/* ---------- 滚动显现 ---------- */
[data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].revealed { opacity: 1; transform: none; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 30px; transform: translate(-50%, 20px);
  background: var(--navy); color: #fff; padding: 13px 22px; border-radius: 8px;
  font-size: .94rem; opacity: 0; pointer-events: none; transition: .3s ease; z-index: 90;
  box-shadow: var(--shadow); border-left: 4px solid var(--gold);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- 新闻列表 ---------- */
.news-list__item { display: grid; grid-template-columns: 240px 1fr; gap: 24px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin-bottom: 20px; align-items: center; }
.news-list__media { aspect-ratio: 16 / 10; border-radius: 6px; overflow: hidden; }
.news-list__media img { width: 100%; height: 100%; object-fit: cover; }
.news-list__meta { font-size: .84rem; color: var(--gold); margin-bottom: 6px; }
.news-list__item h3 { font-size: 1.14rem; margin-bottom: 6px; }
.news-list__item h3 a:hover { color: var(--gold); }
.news-list__item p { color: var(--muted); font-size: .94rem; margin: 0; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3, .grid--cases { grid-template-columns: repeat(2, 1fr); }
  .stats-band { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .split, .split--reverse { grid-template-columns: 1fr; gap: 28px; }
  .contact-block { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .news-list__item { grid-template-columns: 1fr; }
  .hero { min-height: 540px; }
}

@media (max-width: 720px) {
  .section { padding: 52px 0; }
  .main-nav {
    position: absolute; top: 68px; left: 0; right: 0; background: #fff;
    border-bottom: 1px solid var(--line); display: none; padding: 10px 0 18px;
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 2px; }
  .main-nav a { padding: 12px 22px; font-size: 1rem; }
  .nav-toggle { display: block; }
  .nav-cta .btn { display: none; }
  .grid--4, .grid--3, .grid--cases, .grid--2 { grid-template-columns: 1fr; }
  .stats-band { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 78px 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero__stat { gap: 26px; }
  .hero__stat strong { font-size: 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}