/* ============================================================
   吉时达 jsd-express.cn  官网样式
   静态站点，无构建依赖。所有资源路径为相对路径，可直接双击 HTML 打开。
   目录：1 基础 / 2 顶栏导航 / 3 首屏 / 4 查件 / 5 板块 / 6 卡片
        7 图片带 / 8 表格 / 9 流程 / 10 FAQ / 11 时间线 / 12 页脚 / 13 响应式
   ============================================================ */

/* ---------- 1 基础 ---------- */
:root {
  --blue-50:  #eef5ff;
  --blue-100: #dbe9ff;
  --blue-200: #b9d4ff;
  --blue-400: #3d8bff;
  --blue-500: #0088ff;
  --blue-600: #0b63f6;
  --blue-700: #0a4ecb;
  --ink:      #0b1b33;
  --ink-2:    #2c405c;
  --muted:    #5f7189;
  --muted-2:  #8896a8;
  --line:     #e5ebf4;
  --line-2:   #eef2f8;
  --bg:       #ffffff;
  --bg-soft:  #f5f8fd;
  --bg-deep:  #0a1626;
  --radius-s: 8px;
  --radius:   14px;
  --radius-l: 20px;
  --sh-1: 0 1px 2px rgba(11,27,51,.04), 0 4px 12px rgba(11,27,51,.05);
  --sh-2: 0 4px 16px rgba(11,27,51,.06), 0 16px 40px rgba(11,27,51,.08);
  --sh-3: 0 24px 64px rgba(11,27,51,.14);
  --wrap: 1180px;
  --grad: linear-gradient(135deg, #2f9bff 0%, #0b63f6 55%, #0a4ecb 100%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", system-ui, sans-serif;
  font-size: 16px; line-height: 1.75; color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-600); text-decoration: none; transition: color .2s; }
a:hover { color: var(--blue-500); }
h1, h2, h3, h4 { color: var(--ink); margin: 0; line-height: 1.3; font-weight: 700; letter-spacing: -.2px; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: #fff; padding: 10px 16px; z-index: 999; border-radius: 8px; box-shadow: var(--sh-2); }

/* ---------- 2 顶栏 + 导航 ---------- */
.topbar {
  background: var(--bg-deep); color: #8ea3bd; font-size: 12.5px;
  letter-spacing: .2px; height: 34px; display: flex; align-items: center;
}
.topbar .wrap { display: flex; justify-content: space-between; align-items: center; gap: 16px; width: 100%; }
.topbar b { color: #cfe0f5; font-weight: 500; }
.topbar span { color: #6d829e; }

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line-2);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 20px; }
.brand { display: flex; align-items: center; flex: none; }
.brand img { height: 38px; width: auto; }

.nav { display: flex; align-items: center; gap: 2px; }
.nav a {
  padding: 9px 15px; border-radius: 8px; font-size: 15px; color: var(--ink-2);
  font-weight: 500; white-space: nowrap; position: relative;
}
.nav a:hover { background: var(--blue-50); color: var(--blue-600); }
.nav a[aria-current="page"] { color: var(--blue-600); font-weight: 600; background: var(--blue-50); }

.header-act { display: flex; align-items: center; gap: 12px; flex: none; }
.header-tel {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--grad); color: #fff;
  padding: 10px 18px; border-radius: 9px; font-size: 14.5px; font-weight: 600;
  box-shadow: 0 6px 16px rgba(11,99,246,.24); white-space: nowrap;
  transition: transform .2s, box-shadow .2s;
}
.header-tel:hover { color: #fff; transform: translateY(-1px); box-shadow: 0 10px 22px rgba(11,99,246,.3); }
.header-tel svg { width: 15px; height: 15px; }

.nav-toggle {
  display: none; background: none; border: 1px solid var(--line); border-radius: 6px;
  width: 42px; height: 40px; cursor: pointer; padding: 11px 9px;
  flex-direction: column; justify-content: space-between;
}
.nav-toggle span { display: block; height: 2px; background: var(--ink); border-radius: 2px; }

/* ---------- 3 首屏 ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background: var(--bg-deep); padding: 92px 0 150px;
}
.hero-media { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; opacity: .58; }
.hero-media::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(105deg, rgba(5,17,35,.96) 0%, rgba(7,32,68,.86) 42%, rgba(10,60,125,.55) 78%, rgba(12,74,150,.28) 100%),
    radial-gradient(900px 420px at 78% 18%, rgba(0,136,255,.28), transparent 70%);
}
.hero .wrap { position: relative; z-index: 2; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  border: 1px solid rgba(255,255,255,.22); background: rgba(255,255,255,.07);
  border-radius: 999px; padding: 6px 16px; font-size: 13px; color: #cfe3ff;
  letter-spacing: .5px; margin-bottom: 26px;
}
.hero-eyebrow i { width: 6px; height: 6px; border-radius: 50%; background: #4fd1a5; display: block; }
.hero h1 { color: #fff; font-size: 52px; line-height: 1.16; letter-spacing: -1px; margin-bottom: 22px; max-width: 800px; }
.hero h1 em { font-style: normal; background: linear-gradient(100deg, #7bc0ff, #b9dcff); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-lead { font-size: 17px; line-height: 1.85; color: rgba(255,255,255,.82); max-width: 720px; margin-bottom: 34px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 30px; margin-top: 46px; }
.hero-facts div { font-size: 13px; color: rgba(255,255,255,.6); }
.hero-facts b { display: block; font-size: 15.5px; color: #fff; font-weight: 600; margin-bottom: 2px; letter-spacing: .3px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 14px 30px; border-radius: 10px; font-size: 15.5px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; transition: all .22s; font-family: inherit;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 8px 22px rgba(11,99,246,.3); }
.btn-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 14px 30px rgba(11,99,246,.38); }
.btn-ghost { border-color: rgba(255,255,255,.38); color: #fff; background: rgba(255,255,255,.05); }
.btn-ghost:hover { background: rgba(255,255,255,.14); color: #fff; border-color: rgba(255,255,255,.6); }
.btn-line { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-line:hover { border-color: var(--blue-200); color: var(--blue-600); }

/* 内页 banner */
.page-head {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(115deg, #081426 0%, #0f335f 52%, #155bb0 100%);
  padding: 68px 0 66px;
}
.page-head::after {
  content: ""; position: absolute; right: -80px; top: -120px; width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(0,136,255,.35), transparent 66%); pointer-events: none;
}
.page-head .wrap { position: relative; z-index: 2; }
.page-head h1 { color: #fff; font-size: 38px; letter-spacing: -.5px; margin-bottom: 14px; }
.page-head p { color: rgba(255,255,255,.76); max-width: 860px; font-size: 16px; margin: 0; }
.crumb { font-size: 12.5px; color: rgba(255,255,255,.5); margin-bottom: 18px; }
.crumb a { color: rgba(255,255,255,.8); }
.crumb a:hover { color: #fff; }
.crumb span { margin: 0 7px; }

/* ---------- 4 查件卡 ---------- */
.track-shell { position: relative; z-index: 5; margin-top: -86px; }
.track-card {
  background: #fff; border: 1px solid var(--line-2); border-radius: var(--radius-l);
  box-shadow: var(--sh-3); padding: 34px 38px 30px;
}
.track-card h2 { font-size: 21px; margin-bottom: 6px; display: flex; align-items: center; gap: 10px; }
.track-card h2 i { width: 4px; height: 19px; border-radius: 2px; background: var(--grad); display: block; }
.track-card .hint { font-size: 13.5px; color: var(--muted); margin: 0 0 18px; }
.track-form { display: flex; gap: 14px; align-items: flex-start; }
.track-form textarea {
  flex: 1; min-height: 78px; resize: vertical; padding: 14px 16px;
  border: 1.5px solid var(--line); border-radius: 10px; font-family: inherit;
  font-size: 14.5px; color: var(--ink); background: #fafcff; outline: none;
  transition: border-color .2s, background .2s;
}
.track-form textarea:focus { border-color: var(--blue-400); background: #fff; box-shadow: 0 0 0 4px rgba(61,139,255,.1); }
.track-form button { height: 50px; margin-top: 14px; padding: 0 34px; }
.track-note { font-size: 12.5px; color: var(--muted-2); margin: 14px 0 0; }

/* ---------- 5 板块 ---------- */
section { padding: 92px 0; }
section.compact { padding: 68px 0; }
section.soft { background: var(--bg-soft); }
section.deep { background: var(--bg-deep); color: #93a8c0; }
section.deep h2 { color: #fff; }

.sec-head { text-align: center; margin-bottom: 52px; }
.sec-head.left { text-align: left; }
.eyebrow {
  display: inline-block; font-size: 12px; letter-spacing: 2.4px; font-weight: 700;
  color: var(--blue-600); text-transform: uppercase; margin-bottom: 12px;
  position: relative; padding-left: 18px;
}
.eyebrow::before {
  content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 9px; height: 9px; border-radius: 2px; background: var(--grad);
}
.sec-head h2 { font-size: 33px; letter-spacing: -.6px; line-height: 1.28; }
.sec-head p { color: var(--muted); margin: 14px auto 0; max-width: 760px; font-size: 15.5px; }
.sec-head.left p { margin-left: 0; }

.stat-strip {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line-2); border-radius: var(--radius);
  overflow: hidden; background: #fff; box-shadow: var(--sh-1);
}
.stat-strip div { padding: 26px 24px; border-right: 1px solid var(--line-2); }
.stat-strip div:last-child { border-right: none; }
.stat-strip b { display: block; font-size: 24px; color: var(--blue-600); letter-spacing: -.5px; margin-bottom: 4px; line-height: 1.25; }
.stat-strip span { font-size: 13px; color: var(--muted); }

/* ---------- 6 卡片 ---------- */
.grid { display: grid; gap: 22px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative; background: #fff; border: 1px solid var(--line-2);
  border-radius: var(--radius); padding: 30px 28px; box-shadow: var(--sh-1);
  transition: transform .24s, box-shadow .24s, border-color .24s;
}
.card::before {
  content: ""; position: absolute; left: 28px; right: 28px; top: 0; height: 3px;
  border-radius: 0 0 3px 3px; background: var(--grad); opacity: 0; transition: opacity .24s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--sh-2); border-color: var(--blue-100); }
.card:hover::before { opacity: 1; }
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { margin: 0; font-size: 14.5px; color: var(--muted); line-height: 1.76; }
.card .num {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 40px; height: 40px; padding: 0 10px; border-radius: 10px; margin-bottom: 16px;
  background: var(--blue-50); color: var(--blue-600); font-weight: 700; font-size: 14px; letter-spacing: .5px;
}

.ico {
  width: 50px; height: 50px; border-radius: 13px; margin-bottom: 18px;
  background: var(--grad); display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 18px rgba(11,99,246,.22);
}
.ico svg { width: 24px; height: 24px; stroke: #fff; fill: none; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }

.city-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.city {
  border: 1px solid var(--line-2); border-radius: var(--radius-s); padding: 18px 20px;
  background: #fff; display: flex; align-items: center; justify-content: space-between;
  gap: 10px; transition: all .2s;
}
.city:hover { border-color: var(--blue-200); box-shadow: var(--sh-1); }
.city b { font-size: 15.5px; color: var(--ink); font-weight: 600; }
.city i { font-style: normal; font-size: 11.5px; padding: 3px 9px; border-radius: 5px;
          background: var(--blue-50); color: var(--blue-600); white-space: nowrap; font-weight: 500; }
.city i.plan { background: #f1f4f8; color: #8494a8; }
.city-cta { border-style: dashed; border-color: var(--blue-200); background: #f8fbff; }
.city-cta:hover { border-color: var(--blue-400); background: #f2f8ff; }
.city-cta b { color: var(--blue-600); }
.city-cta i { background: var(--blue-600); color: #fff; }

.ind-card {
  display: flex; flex-direction: column; background: #fff;
  border: 1px solid var(--line-2); border-radius: var(--radius);
  padding: 26px 22px; transition: all .24s; box-shadow: var(--sh-1);
}
.ind-card:hover { border-color: var(--blue-200); box-shadow: var(--sh-2); transform: translateY(-4px); color: inherit; }
.ind-card b { display: block; font-size: 19px; color: var(--ink); margin-bottom: 10px; font-weight: 700; letter-spacing: .5px; }
.ind-card span { display: block; font-size: 13.5px; color: var(--muted); line-height: 1.7; }
.ind-card em { display: block; margin-top: auto; padding-top: 16px; font-style: normal;
               font-size: 13px; color: var(--blue-600); font-weight: 600; }

/* ---------- 7 图片带 + 分栏 ---------- */
.band {
  position: relative; min-height: 400px; display: flex; align-items: center;
  color: #fff; overflow: hidden; background: #07111f; padding: 88px 0;
}
.band img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .45; }
.band::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(5,16,32,.94), rgba(8,38,78,.6) 60%, rgba(10,55,110,.3));
}
.band .wrap { position: relative; z-index: 2; }
.band h2 { color: #fff; font-size: 34px; letter-spacing: -.6px; max-width: 660px; margin-bottom: 18px; }
.band p { color: rgba(255,255,255,.78); max-width: 620px; font-size: 16px; }
.band-points { display: flex; flex-wrap: wrap; gap: 36px; margin-top: 36px; }
.band-points div { font-size: 13px; color: rgba(255,255,255,.55); }
.band-points b { display: block; font-size: 22px; color: #fff; margin-bottom: 2px; letter-spacing: -.3px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split h2 { font-size: 30px; letter-spacing: -.5px; margin-bottom: 18px; }
.split p { color: var(--muted); }
.frame { border-radius: var(--radius-l); overflow: hidden; box-shadow: var(--sh-2); border: 1px solid var(--line-2); background: #fff; }
.frame img { width: 100%; }

.checklist { list-style: none; padding: 0; margin: 22px 0 0; }
.checklist li { position: relative; padding-left: 30px; margin-bottom: 13px; font-size: 15px; color: var(--ink-2); line-height: 1.75; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 8px; width: 15px; height: 8px;
  border-left: 2.2px solid var(--blue-500); border-bottom: 2.2px solid var(--blue-500);
  transform: rotate(-45deg);
}

.note-box {
  background: linear-gradient(180deg, #f4f9ff, #eef5ff);
  border: 1px solid #d3e4ff; border-radius: var(--radius);
  padding: 22px 26px; margin-top: 28px; font-size: 14.5px; color: var(--ink-2); line-height: 1.85;
}
.note-box strong { color: var(--blue-700); }

/* 行业方案 */
.ind-lead {
  font-size: 17px; color: var(--ink-2); max-width: 900px; margin: 0 0 30px;
  padding-left: 22px; border-left: 3px solid var(--blue-500); line-height: 1.9;
}
.ind-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.ind-point { background: #fff; border: 1px solid var(--line-2); border-radius: var(--radius); padding: 20px 22px; }
.ind-point h4 { font-size: 14.5px; color: var(--blue-600); margin-bottom: 7px; font-weight: 600; }
.ind-point p { margin: 0; font-size: 14.5px; color: var(--muted); line-height: 1.75; }
.ind-who { margin: 22px 0 0; font-size: 14.5px; color: var(--muted); }
.ind-who strong { color: var(--ink); }
.ind-more { margin: 14px 0 0; font-size: 14.5px; }

/* 系统四端面板 */
.sys-panel {
  border-radius: var(--radius-l); padding: 34px;
  background: linear-gradient(160deg, #f8fbff, #e9f1ff);
  border: 1px solid #dbe8fb; box-shadow: var(--sh-1);
}
.sys-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.sys-item {
  position: relative; overflow: hidden; background: #fff;
  border: 1px solid #e3edfb; border-radius: 12px; padding: 20px 18px 18px;
}
.sys-item span {
  position: absolute; right: 12px; top: 4px; font-size: 36px; font-weight: 800;
  color: #e8f1ff; letter-spacing: -2px; line-height: 1;
}
.sys-item h4 { position: relative; font-size: 14.5px; color: var(--ink); margin-bottom: 7px; font-weight: 600; }
.sys-item p { position: relative; font-size: 12.5px; color: var(--muted); margin: 0; line-height: 1.7; }

/* ---------- 8 表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line-2); border-radius: var(--radius); background: #fff; box-shadow: var(--sh-1); }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
th, td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--line-2); vertical-align: top; }
th { background: #f7faff; font-weight: 600; color: var(--ink); font-size: 13px; white-space: nowrap;
     letter-spacing: .3px; border-bottom: 1px solid var(--line); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #fafdff; }
td strong { color: var(--ink); }

/* ---------- 9 流程 ---------- */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step {
  position: relative; background: #fff; border: 1px solid var(--line-2);
  border-radius: var(--radius); padding: 28px 24px; counter-increment: step;
  box-shadow: var(--sh-1); transition: all .22s;
}
.step:hover { transform: translateY(-3px); box-shadow: var(--sh-2); }
.step::before {
  content: counter(step, decimal-leading-zero);
  font-size: 12px; font-weight: 700; color: var(--blue-500); letter-spacing: 1.2px;
  display: block; margin-bottom: 10px;
}
.step h3 { font-size: 16.5px; margin-bottom: 7px; }
.step p { margin: 0; font-size: 14px; color: var(--muted); line-height: 1.7; }

/* ---------- 10 FAQ ---------- */
.faq-list { max-width: 880px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--line-2); padding: 24px 0; }
.faq-item:first-child { border-top: 1px solid var(--line-2); }
.faq-item h3 {
  font-size: 16.5px; margin-bottom: 9px; color: var(--ink);
  display: flex; gap: 11px; align-items: flex-start; line-height: 1.55;
}
.faq-item h3::before {
  content: "Q"; flex: none; width: 22px; height: 22px; border-radius: 6px;
  background: var(--blue-50); color: var(--blue-600); font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center; margin-top: 2px;
}
.faq-item p { margin: 0; color: var(--muted); font-size: 15px; padding-left: 33px; line-height: 1.8; }

/* ---------- 11 时间线 / 事实表 ---------- */
.timeline { border-left: 2px solid var(--blue-100); padding-left: 30px; margin-left: 8px; }
.tl-item { position: relative; padding-bottom: 34px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -38px; top: 7px; width: 12px; height: 12px;
  border-radius: 50%; background: #fff; border: 3px solid var(--blue-500);
  box-shadow: 0 0 0 4px #fff;
}
.tl-date { font-size: 13px; color: var(--blue-600); font-weight: 600; letter-spacing: .6px; }
.tl-item h3 { font-size: 17px; margin: 5px 0 7px; }
.tl-item p { margin: 0; font-size: 14.5px; color: var(--muted); }

.facts { border: 1px solid var(--line-2); border-radius: var(--radius); overflow: hidden; background: #fff; box-shadow: var(--sh-1); }
.facts div { display: flex; border-bottom: 1px solid var(--line-2); font-size: 14.5px; }
.facts div:last-child { border-bottom: none; }
.facts dt { width: 186px; flex: none; padding: 14px 18px; background: #f7faff; color: var(--ink); font-weight: 500; }
.facts dd { margin: 0; padding: 14px 18px; color: var(--ink-2); }

/* ---------- 12 CTA + 页脚 ---------- */
.cta {
  position: relative; overflow: hidden; color: #fff; text-align: center; padding: 84px 0;
  background: linear-gradient(115deg, #081426, #0f3a70 52%, #155bb0 100%);
}
.cta::after {
  content: ""; position: absolute; left: 50%; top: -180px; transform: translateX(-50%);
  width: 900px; height: 460px; background: radial-gradient(ellipse, rgba(0,136,255,.32), transparent 68%);
}
.cta .wrap { position: relative; z-index: 2; }
.cta h2 { color: #fff; font-size: 32px; letter-spacing: -.6px; margin-bottom: 14px; }
.cta p { color: rgba(255,255,255,.76); margin: 0 0 32px; }
.cta-note { font-size: 13px; color: rgba(255,255,255,.45); margin: 22px 0 0; }

.site-footer { background: var(--bg-deep); color: #8194ab; padding: 68px 0 0; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr .9fr .9fr 1.5fr; gap: 44px; padding-bottom: 46px; }
.site-footer h4 { color: #fff; font-size: 14.5px; margin-bottom: 18px; font-weight: 600; letter-spacing: .3px; }
.site-footer a { color: #8194ab; display: block; margin-bottom: 11px; font-size: 14px; }
.site-footer a:hover { color: #fff; }
.footer-brand { margin-bottom: 18px; }
.footer-brand img { height: 34px; width: auto; opacity: .96; }
.footer-desc { font-size: 13.5px; line-height: 1.85; color: #6d8199; margin: 0 0 16px; max-width: 340px; }
.footer-lic {
  display: inline-block; font-size: 12px; color: #93a8c0; background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08); border-radius: 6px; padding: 7px 12px; line-height: 1.6;
}
.footer-contact { font-size: 13.5px; line-height: 1.8; color: #8194ab; }
.footer-contact .fc-label { display: block; font-size: 12px; color: #62758c; letter-spacing: .5px; margin-top: 12px; }
.footer-contact b { color: #fff; font-size: 22px; letter-spacing: .4px; display: block; line-height: 1.3; }
.footer-contact .fc-biz { color: #fff; font-size: 19px; font-weight: 700; letter-spacing: .4px; display: inline-block; margin: 0; }
.footer-contact .fc-biz:hover { color: #8fc0ff; }
.footer-contact .fc-meta { margin-top: 16px; font-size: 13px; line-height: 1.9; }
.qr-row { display: flex; gap: 18px; margin-top: 20px; }
.qr-row div { text-align: center; font-size: 11.5px; color: #62758c; }
.qr-row img { width: 84px; height: 84px; object-fit: cover; border-radius: 8px; background: #fff; padding: 4px; margin-bottom: 7px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.07); padding: 20px 0 24px;
  display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between;
  font-size: 12.5px; color: #5f7389;
}
.footer-bottom a { display: inline; color: #5f7389; margin: 0; }
.footer-bottom a:hover { color: #a9bccf; }

/* ---------- 13 响应式 ---------- */
@media (max-width: 1080px) {
  .hero h1 { font-size: 44px; }
}
@media (max-width: 980px) {
  .wrap { padding: 0 22px; }
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .g3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .city-grid { grid-template-columns: repeat(3, 1fr); }
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .stat-strip div:nth-child(2n) { border-right: none; }
  .stat-strip div:nth-child(-n+2) { border-bottom: 1px solid var(--line-2); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
  .split { grid-template-columns: 1fr; gap: 34px; }
  .nav { display: none; }
  .nav-toggle { display: flex; }
  .header-tel { display: none; }
  .topbar { display: none; }
  section { padding: 68px 0; }
  .hero { padding: 64px 0 120px; }
}
@media (max-width: 720px) {
  body { font-size: 15.5px; }
  .wrap { padding: 0 18px; }
  .header-inner { height: 64px; }
  .brand img { height: 32px; }
  .nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column;
    align-items: stretch; gap: 0; background: #fff; border-bottom: 1px solid var(--line);
    padding: 8px 18px 18px; box-shadow: 0 16px 32px rgba(11,27,51,.1);
  }
  .nav.open { display: flex; }
  .nav a { padding: 13px 4px; border-bottom: 1px solid var(--line-2); border-radius: 0; }
  .g2, .g3, .g4, .steps, .ind-grid { grid-template-columns: 1fr; }
  .city-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-strip { grid-template-columns: 1fr; }
  .stat-strip div { border-right: none; border-bottom: 1px solid var(--line-2); }
  .stat-strip div:last-child { border-bottom: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero h1 { font-size: 30px; letter-spacing: -.6px; }
  .hero-lead { font-size: 15px; }
  .hero { padding: 48px 0 104px; }
  .hero-facts { gap: 20px; margin-top: 32px; }
  .btn { padding: 13px 26px; font-size: 15px; }
  section { padding: 56px 0; }
  .page-head { padding: 44px 0 42px; }
  .page-head h1 { font-size: 26px; }
  .sec-head h2 { font-size: 24px; }
  .sec-head { margin-bottom: 36px; }
  .track-card { padding: 24px 20px; border-radius: 16px; }
  .track-form { flex-direction: column; }
  .track-form button { width: 100%; margin-top: 0; }
  .facts div { flex-direction: column; }
  .facts dt { width: auto; padding-bottom: 5px; }
  .facts dd { padding-top: 0; }
  .band { min-height: 0; padding: 60px 0; }
  .band h2 { font-size: 25px; }
  .cta h2 { font-size: 24px; }
  .faq-item p { padding-left: 0; }
}