/* 温州市信达物流有限公司 官网样式
   品牌色：主蓝 #2B6DEF，强调红 #E5484D（中式红涨）
   说明：部署前请把 index.html 里的联系电话/邮箱/地址/微信占位替换为真实信息 */

:root {
  --blue: #2B6DEF;
  --blue-dark: #1E4FB8;
  --red: #E5484D;
  --ink: #1A2233;
  --muted: #5B6678;
  --bg: #FFFFFF;
  --bg-soft: #F5F8FF;
  --border: #E3E9F3;
  --radius: 14px;
  --maxw: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ---------- 顶部导航 ---------- */
header.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; }
.logo .mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: #fff; display: grid; place-items: center; font-size: 16px; font-weight: 800;
}
.logo small { display:block; font-size: 11px; color: var(--muted); font-weight: 500; letter-spacing: .5px; }
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a { color: var(--ink); text-decoration: none; font-size: 15px; font-weight: 500; }
.nav-links a:hover { color: var(--blue); }
.btn {
  background: var(--blue); color: #fff; padding: 9px 18px; border-radius: 999px;
  text-decoration: none; font-size: 14px; font-weight: 600; border: none; cursor: pointer;
  transition: .2s;
}
.btn:hover { background: var(--blue-dark); }
.btn.ghost { background: transparent; color: var(--blue); border: 1px solid var(--blue); }
.menu-toggle { display: none; background: none; border: none; font-size: 26px; color: var(--ink); cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(900px 400px at 80% -10%, rgba(43,109,239,.18), transparent),
    linear-gradient(180deg, #EEF4FF 0%, #FFFFFF 100%);
  padding: 88px 20px 76px;
}
.hero-inner { max-width: var(--maxw); margin: 0 auto; }
.hero .tag {
  display: inline-block; background: rgba(43,109,239,.12); color: var(--blue-dark);
  padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 600; margin-bottom: 18px;
}
.hero h1 { font-size: 44px; line-height: 1.2; font-weight: 800; letter-spacing: -0.5px; }
.hero h1 .hl { color: var(--blue); }
.hero p.lead { font-size: 18px; color: var(--muted); margin: 18px 0 30px; max-width: 640px; }
.hero .cta { display: flex; gap: 14px; flex-wrap: wrap; }
.stats { display: flex; gap: 40px; margin-top: 48px; flex-wrap: wrap; }
.stat .num { font-size: 30px; font-weight: 800; color: var(--blue); }
.stat .lbl { font-size: 14px; color: var(--muted); }

/* ---------- 通用区块 ---------- */
section { padding: 72px 20px; }
.section-inner { max-width: var(--maxw); margin: 0 auto; }
.section-head { text-align: center; margin-bottom: 44px; }
.section-head .kicker { color: var(--red); font-weight: 700; letter-spacing: 2px; font-size: 13px; }
.section-head h2 { font-size: 32px; font-weight: 800; margin-top: 8px; }
.section-head p { color: var(--muted); margin-top: 10px; }
.bg-soft { background: var(--bg-soft); }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 22px; grid-template-columns: repeat(3, 1fr); }
.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; transition: .2s;
}
.card:hover { box-shadow: 0 12px 30px rgba(27,79,184,.10); transform: translateY(-3px); border-color: #cdddfb; }
.card .ico {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(43,109,239,.10); color: var(--blue); margin-bottom: 16px;
}
.card h3 { font-size: 18px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 14.5px; }

/* ---------- 关于 ---------- */
.about { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.about h2 { font-size: 30px; font-weight: 800; margin-bottom: 16px; }
.about p { color: var(--muted); margin-bottom: 14px; }
.about ul { list-style: none; display: grid; gap: 10px; }
.about li { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; }
.about li .dot { color: var(--blue); font-weight: 800; }
.panel {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: #fff; border-radius: 18px; padding: 30px;
}
.panel h4 { font-size: 18px; margin-bottom: 14px; }
.panel .row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.18); font-size: 14.5px; }
.panel .row:last-child { border-bottom: none; }

/* ---------- 线路 ---------- */
.route { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; align-items: center; margin-top: 10px; }
.route .node {
  background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 16px; text-align: center;
}
.route .node b { display: block; font-size: 16px; }
.route .node span { font-size: 12.5px; color: var(--muted); }
.route .arrow { text-align: center; color: var(--blue); font-size: 22px; font-weight: 800; }

/* ---------- 联系 ---------- */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; }
.contact .info h3 { font-size: 22px; margin-bottom: 16px; }
.contact .info .line { display: flex; gap: 12px; margin-bottom: 14px; font-size: 15.5px; }
.contact .info .line .k { color: var(--blue); font-weight: 700; min-width: 64px; }
.contact .info .line .v { color: var(--ink); }
.contact .map-note {
  background: var(--bg-soft); border: 1px dashed var(--border); border-radius: 12px;
  padding: 22px; color: var(--muted); font-size: 14px;
}

/* ---------- 页脚 ---------- */
footer { background: #0F1B33; color: #C7D2E6; padding: 40px 20px; }
.footer-inner { max-width: var(--maxw); margin: 0 auto; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px; font-size: 14px; }
footer a { color: #9FB4D8; text-decoration: none; }
footer .copy { width: 100%; border-top: 1px solid rgba(255,255,255,.1); margin-top: 20px; padding-top: 18px; color: #7E8CA8; font-size: 13px; }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .about, .contact { grid-template-columns: 1fr; }
  .route { grid-template-columns: repeat(2,1fr); }
  .route .arrow { transform: rotate(90deg); }
}
@media (max-width: 640px) {
  .nav-links { display: none; position: absolute; top: 62px; right: 0; left: 0;
    background: #fff; flex-direction: column; padding: 16px 20px; gap: 16px; border-bottom: 1px solid var(--border); }
  .nav-links.open { display: flex; }
  .menu-toggle { display: block; }
  .hero h1 { font-size: 32px; }
  .grid { grid-template-columns: 1fr; }
  .route { grid-template-columns: 1fr; }
  .route .arrow { transform: rotate(90deg); }
}