/* ===== 基础设置 ===== */
:root {
  --primary: #0b5cab;        /* 航空蓝 */
  --primary-dark: #074a85;
  --primary-deep: #062a52;   /* 深海军蓝：首屏/页头/页脚 */
  --sky: #38bdf8;            /* 天蓝：渐变辅色 */
  --accent: #f5a623;         /* 点缀橙 */
  --accent-light: #ffc85c;
  --bg: #ffffff;
  --bg-alt: #f4f8fb;
  --ink: #0e2136;            /* 标题色 */
  --text: #2b3a4a;
  --text-light: #64798d;
  --border: #e2e9f0;
  --border-soft: #d6e7f6;
  --radius: 14px;
  --radius-lg: 20px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --shadow-sm: 0 1px 2px rgba(9, 42, 80, 0.05);
  --shadow: 0 6px 24px rgba(9, 42, 80, 0.08);
  --shadow-card: 0 1px 2px rgba(9, 42, 80, 0.04), 0 12px 30px -20px rgba(9, 42, 80, 0.24);
  --shadow-hover: 0 26px 50px -22px rgba(9, 42, 80, 0.36), 0 0 0 1px rgba(11, 92, 171, 0.07);
  --glow-primary: 0 10px 24px rgba(11, 92, 171, 0.28);
  --glow-accent: 0 12px 28px rgba(245, 166, 35, 0.34);
  --ring: 0 0 0 4px rgba(11, 92, 171, 0.13);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", "Microsoft YaHei",
    "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection { background: rgba(11, 92, 171, 0.18); }

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

h2 { font-size: 1.8rem; }

img { max-width: 100%; }

/* ===== 按钮 ===== */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
.btn-outline { border-color: var(--primary); color: var(--primary); padding: 8px 20px; }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-ghost { color: var(--primary); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--primary); }
.btn-block { width: 100%; font-size: 1.05rem; }

/* ===== 导航 ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-mark { width: 40px; height: 40px; display: block; border-radius: 10px; box-shadow: var(--shadow-sm); flex: none; }
.logo-word { display: flex; flex-direction: column; line-height: 1.15; }
.logo-text { font-size: 1.12rem; font-weight: 700; color: var(--ink); letter-spacing: 0.5px; }
.logo-en { font-size: 0.58rem; font-weight: 600; letter-spacing: 2.2px; color: var(--text-light); margin-top: 2px; white-space: nowrap; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { color: var(--text); text-decoration: none; font-size: 0.95rem; transition: color 0.2s; }
.nav-links a:hover { color: var(--primary); }
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.menu-toggle span {
  display: block;
  width: 22px;
  height: 2.5px;
  background: var(--primary);
  border-radius: 2px;
}

/* ===== 语种切换（平铺按钮，始终可见） ===== */
.lang-group {
  display: flex;
  align-items: center;
  gap: 6px;
}
.lang-item {
  padding: 5px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}
.lang-item:hover { border-color: var(--primary); color: var(--primary); }
.lang-item.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ===== 首屏 ===== */
.hero {
  background: linear-gradient(135deg, #eaf4fd 0%, #d8ecfa 60%, #cfe8f8 100%);
  padding: 80px 0 70px;
}
.hero-inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; }
.hero h1 { font-size: 2.4rem; line-height: 1.3; margin-bottom: 18px; }
.highlight { color: var(--primary); }
.hero-sub { color: var(--text-light); margin-bottom: 26px; max-width: 520px; }
.hero-actions { display: flex; gap: 14px; margin-bottom: 36px; }
.hero-stats { display: flex; gap: 36px; list-style: none; }
.hero-stats li { display: flex; flex-direction: column; }
.hero-stats strong { font-size: 1.5rem; color: var(--primary); }
.hero-stats span { font-size: 0.85rem; color: var(--text-light); }

/* 首屏实时航班面板 */
.flight-panel {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 22px;
  animation: float 4s ease-in-out infinite;
}
.fp-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.fp-title { font-weight: 700; font-size: 1.02rem; }
.fp-live { display: flex; align-items: center; gap: 6px; font-size: 0.8rem; color: #2e9e5b; font-weight: 600; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: #2e9e5b; animation: pulse 1.5s infinite; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(46, 158, 91, 0.5); }
  70% { box-shadow: 0 0 0 8px rgba(46, 158, 91, 0); }
  100% { box-shadow: 0 0 0 0 rgba(46, 158, 91, 0); }
}
/* 雷达/地图区域 */
.fp-radar {
  position: relative;
  height: 140px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: linear-gradient(135deg, #e9f2e9 0%, #f2f6f2 45%, #e6eef7 100%);
}
.fp-radar::before {
  content: '';
  position: absolute;
  left: -10%; top: 55%;
  width: 70%; height: 9px;
  background: #c9d3dd;
  transform: rotate(-24deg);
  opacity: 0.7;
  border-radius: 4px;
}
.fp-radar::after {
  content: '';
  position: absolute;
  right: -6%; top: -20%;
  width: 24%; height: 140%;
  background: linear-gradient(90deg, transparent, rgba(147, 197, 235, 0.55));
  transform: skewX(-18deg);
}
.fp-pin { position: absolute; left: 46%; top: 38%; font-size: 18px; z-index: 2; }
.fp-plane {
  position: absolute;
  font-size: 17px;
  color: #e3a90f;
  z-index: 3;
  transition: left 1.7s linear, top 1.7s linear;
  will-change: left, top;
}
.fp-plane.orange { color: #e0662e; }
.fp-plane span { display: inline-block; }
/* 航班看板 */
.fp-board-head {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  font-size: 0.75rem;
  color: var(--text-light);
  padding: 10px 2px 6px;
}
.fp-board { list-style: none; }
.fp-board li {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  align-items: center;
  padding: 7px 2px;
  border-top: 1px dashed var(--border);
  font-size: 0.88rem;
}
.fp-board .fno { font-weight: 700; }
.fp-board .fdest { color: var(--text-light); }
.chip {
  justify-self: end;
  font-size: 0.75rem;
  padding: 2px 10px;
  border-radius: 999px;
  font-weight: 600;
  white-space: nowrap;
}
.chip-blue { background: #e8f1fb; color: var(--primary); }
.chip-green { background: #e6f6ec; color: #2e9e5b; }
.chip-gray { background: #eef1f4; color: #6b7a89; }
.chip-teal { background: #e6f5f4; color: #0f8f85; }
.chip-orange { background: #fdeee2; color: #d96a1e; }
.fp-footer {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--text-light);
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ===== 通用区块 ===== */
.section { padding: 70px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { text-align: center; margin-bottom: 44px; }
.section-head p { color: var(--text-light); margin-top: 6px; }

/* ===== 服务卡片 ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.25s, box-shadow 0.25s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card-icon { font-size: 2rem; margin-bottom: 12px; }
.card h3 { margin-bottom: 10px; font-size: 1.1rem; }
.card p { color: var(--text-light); font-size: 0.92rem; }

/* ===== 优势 ===== */
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.adv-item {
  background: #fff;
  border-radius: var(--radius);
  padding: 26px 22px;
  border-left: 4px solid var(--primary);
  box-shadow: var(--shadow);
}
.adv-item h3 { font-size: 1.05rem; margin-bottom: 8px; }
.adv-item p { color: var(--text-light); font-size: 0.9rem; }

/* ===== 流程 ===== */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.step {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 26px 22px;
  text-align: center;
}
.step-num {
  display: inline-block;
  width: 44px; height: 44px;
  line-height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  margin-bottom: 12px;
}
.step h3 { font-size: 1.05rem; margin-bottom: 6px; }
.step p { color: var(--text-light); font-size: 0.88rem; }

/* ===== 下单表单 ===== */
.order-wrap { max-width: 760px; }
.order-form {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 36px;
  border: 1px solid var(--border);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-row.three { grid-template-columns: 1fr 1fr 1fr; }
.form-group { display: flex; flex-direction: column; margin-bottom: 18px; }
.form-group label { font-size: 0.9rem; font-weight: 600; margin-bottom: 6px; }
.form-group input,
.form-group select,
.form-group textarea {
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--bg-alt);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(10, 95, 168, 0.12);
}
.form-group .error-msg {
  color: #d94848;
  font-size: 0.8rem;
  margin-top: 4px;
}
.form-group.invalid input,
.form-group.invalid select {
  border-color: #d94848;
}
.form-tip { text-align: center; margin-top: 14px; font-size: 0.9rem; }
.form-tip.success { color: #2e9e5b; }
.form-tip.error { color: #d94848; }

/* ===== 下单后客服微信卡片 ===== */
.cc-card {
  margin-top: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #f3fbf6 0%, #ffffff 62%);
  padding: 20px 22px;
  animation: ccIn 0.35s ease both;
}
@keyframes ccIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
.cc-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.cc-badge {
  display: inline-block;
  background: #e7f7ec;
  color: #2e9e5b;
  border: 1px solid #bfe8cd;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 3px 10px;
  white-space: nowrap;
}
.cc-hint { font-size: 0.92rem; font-weight: 600; color: var(--text); }
.cc-body { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.cc-qr {
  width: 132px;
  height: 132px;
  flex-shrink: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.cc-qr img { width: 100%; height: 100%; object-fit: contain; }
.cc-qr-ph {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 8px;
  font-size: 0.8rem;
  color: var(--text-light);
  text-align: center;
}
.cc-info { flex: 1; min-width: 190px; }
.cc-label { font-size: 0.82rem; color: var(--text-light); margin-bottom: 4px; }
.cc-id {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.03em;
  margin-bottom: 12px;
  word-break: break-all;
}
.cc-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.cc-actions .btn { padding: 8px 18px; font-size: 0.9rem; }
.btn-copy { background: var(--primary); color: #fff; }
.btn-copy:hover { background: var(--primary-dark); }
.btn-copy.copied { background: #2e9e5b; }
.cc-note { margin-top: 10px; font-size: 0.8rem; color: var(--text-light); }

/* 客服卡片：微信与电话之间的分隔线 */
.cc-sep {
  height: 1px;
  margin: 16px 0 14px;
  background: linear-gradient(to right, var(--border), rgba(226, 233, 240, 0));
}
[dir="rtl"] .cc-sep {
  background: linear-gradient(to left, var(--border), rgba(226, 233, 240, 0));
}
/* 侧栏微信卡片内的电话区 */
.oa-wechat .cc-sep { margin: 18px 0 14px; }
.oa-wechat .cc-actions { justify-content: center; margin-top: 12px; }
.oa-wechat .cc-actions .btn { margin-top: 0; }
[dir="rtl"] .cc-body { flex-direction: row-reverse; }
[dir="rtl"] .cc-qr-ph { direction: rtl; }

/* ===== 页脚 ===== */
.footer {
  background: var(--primary-dark);
  color: #dcebf7;
  padding: 44px 0 20px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
.footer h3 { color: #fff; margin-bottom: 8px; }
.contact-info p { margin-bottom: 6px; font-size: 0.95rem; }
/* 页脚电话可点击拨号 */
.contact-info a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dashed rgba(220, 235, 247, 0.35);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.contact-info a:hover { color: #fff; border-bottom-color: rgba(255, 255, 255, 0.75); }
.copyright { text-align: center; font-size: 0.85rem; margin-top: 18px; color: #9dbdd6; }

/* ===== 返回顶部 ===== */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: none;
  background: var(--primary);
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  box-shadow: var(--shadow);
}
.back-top.show { opacity: 1; pointer-events: auto; }

/* ===== 入场动画 ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== 全球航班查询 ===== */
.fs-box {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}
.fs-bar { display: flex; gap: 12px; }
.fs-bar input {
  flex: 1;
  padding: 12px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 1rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.fs-bar input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(10, 95, 168, 0.12); }
.fs-tip { min-height: 22px; margin: 12px 4px 0; font-size: 0.9rem; color: var(--text-light); }
.fs-tip.error { color: #dc2626; }
.fs-tip.ok { color: #059669; }
.fs-tip.warn { color: #d97706; }
.fs-suggest { margin-top: 10px; }
.fs-suggest-label { display: block; font-size: 0.88rem; color: var(--text-light); margin-bottom: 8px; }
.fs-suggest-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.fs-chip {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-alt);
  color: var(--primary);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}
.fs-chip:hover { border-color: var(--primary); background: #fff; box-shadow: var(--shadow); }
.fs-results { margin-top: 14px; overflow-x: auto; }
.fs-head, .fs-row {
  display: grid;
  grid-template-columns: 1fr 1.4fr 0.9fr 0.9fr 0.9fr 1.2fr 1.1fr 1.1fr;
  gap: 8px;
  align-items: center;
  padding: 10px 12px;
}
.fs-head { font-size: 0.82rem; color: var(--text-light); border-bottom: 2px solid var(--border); }
.fs-row { border-bottom: 1px solid var(--border); font-size: 0.92rem; }
.fs-row:last-child { border-bottom: none; }
.fs-row:hover { background: var(--bg-alt); }
.fs-no { font-weight: 700; color: var(--primary); letter-spacing: 0.03em; }
.fs-cell { color: var(--text); white-space: nowrap; }
.fs-nowrap { white-space: nowrap; }
.fs-sub { display: block; font-size: 0.72rem; color: var(--text-light); font-weight: 400; letter-spacing: 0; }
.fs-route-card {
  margin-top: 14px;
  padding: 14px 16px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.fs-route-head { font-size: 1rem; display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px; }
.fs-route-head strong { color: var(--primary); font-size: 1.1rem; }
.fs-route-airports { color: var(--text); font-weight: 600; }
.fs-route-airline { display: block; margin-top: 4px; font-size: 0.88rem; color: var(--text-light); }
.fs-notair { display: block; margin-top: 8px; font-size: 0.85rem; color: #d97706; }

/* ===== 航班卡片（截图样式：未在空中的航班展示） ===== */
.fs-fcard {
  padding: 14px 16px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 1px 4px rgba(15, 40, 80, 0.06);
}
.fs-fcard-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.fs-fcard-head strong { font-size: 1.02rem; color: var(--text); }
.fs-fchip { flex-shrink: 0; }
.fs-freg { margin-inline-start: auto; font-size: 0.82rem; color: var(--text-light); letter-spacing: 0.02em; }
.fs-sched-title {
  margin: 4px 0 10px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-light);
}
.fs-fcard-route {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 12px;
}
.fs-fport { display: flex; flex-direction: column; min-width: 0; }
.fs-fport b { font-size: 1.15rem; color: var(--primary); letter-spacing: 0.02em; }
.fs-fport i { font-style: normal; font-size: 0.82rem; color: var(--text-light); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 200px; }
.fs-farrow {
  flex: 1;
  text-align: center;
  color: var(--primary);
  font-size: 1rem;
  position: relative;
  background: #fff;
  padding: 0 10px;
}
.fs-farrow::before {
  content: '';
  position: absolute;
  left: 8%;
  right: 8%;
  top: 55%;
  border-top: 2px dotted var(--border);
}
[dir="rtl"] .fs-fport { align-items: flex-end; }

/* 时刻表班次卡片列表（AirLabs 接入后） */
.fs-fcards { display: flex; flex-direction: column; gap: 12px; margin-top: 14px; }
.fs-fcards:empty { margin-top: 0; }
.fs-fcard-times {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 12px;
}
.fs-ftime { display: flex; flex-direction: column; min-width: 0; }
.fs-ftime i { font-style: normal; font-size: 0.78rem; color: var(--text-light); }
.fs-ftime b { font-size: 1.3rem; color: var(--text); font-weight: 700; }
.fs-fcard-airports {
  margin-top: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}
.fs-src { margin-top: 14px; font-size: 0.8rem; color: var(--text-light); }
[dir="rtl"] .fs-head, [dir="rtl"] .fs-row { text-align: right; }

/* ===== 阿拉伯语 RTL（从右到左）适配 ===== */
[dir="rtl"] body { font-family: "Tahoma", "Segoe UI", "PingFang SC", sans-serif; }
[dir="rtl"] .adv-item { border-left: none; border-right: 4px solid var(--primary); }
[dir="rtl"] .nav-links a { font-size: 0.92rem; }
[dir="rtl"] .hero-stats { flex-direction: row-reverse; }
[dir="rtl"] input,
[dir="rtl"] select,
[dir="rtl"] textarea { text-align: right; }
[dir="rtl"] .back-top { right: auto; left: 24px; }

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-grid, .process-steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .menu-toggle { display: flex; }
  /* 移动端：语种按钮在导航面板内整行排列 */
  .nav-links .lang-group {
    width: 100%;
    justify-content: flex-start;
    margin-top: 10px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
  }
  .hero h1 { font-size: 1.7rem; }
  .hero-stats { gap: 20px; }
  .card-grid, .adv-grid, .process-steps { grid-template-columns: 1fr; }
  .form-row, .form-row.three { grid-template-columns: 1fr; }
  .order-form { padding: 24px; }
  .fs-box { padding: 20px; }
  .fs-bar { flex-direction: column; }
  .fs-head { display: none; }
  .fs-head, .fs-row { grid-template-columns: 1fr 1fr; }
  .fs-row { gap: 4px 10px; }
}

/* ==========================================================
   多页面：服务分类 / 服务详情 / 引导选择（新增）
   ========================================================== */

/* 导航当前页高亮 */
.nav-links a.active { color: var(--primary); font-weight: 700; }

/* ===== 子页面页头 + 面包屑 ===== */
.page-head {
  background: linear-gradient(135deg, #eaf4fd 0%, #d8ecfa 60%, #cfe8f8 100%);
  padding: 46px 0 40px;
  text-align: center;
}
.crumb {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 12px;
}
.crumb a { color: var(--primary); text-decoration: none; }
.crumb a:hover { text-decoration: underline; }
.crumb span { margin: 0 6px; opacity: 0.6; }
.page-head h1 { font-size: 2rem; line-height: 1.3; margin-bottom: 10px; }
.page-head p { color: var(--text-light); max-width: 620px; margin: 0 auto; }

/* ===== 引导选择（主页） ===== */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.guide-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  text-align: left;
  padding: 20px;
  background: #fff;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font: inherit;
  color: inherit;
  transition: all 0.22s ease;
}
.guide-card:hover { border-color: var(--primary); transform: translateY(-3px); box-shadow: var(--shadow); }
.guide-card.selected {
  border-color: var(--primary);
  background: #f2f8fe;
  box-shadow: var(--shadow);
}
.guide-ico { font-size: 1.6rem; line-height: 1.2; }
.guide-txt strong { display: block; font-size: 1.02rem; margin-bottom: 4px; }
.guide-txt span { color: var(--text-light); font-size: 0.88rem; }

.guide-result {
  margin-top: 22px;
  padding: 24px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
}
.guide-rhead {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.guide-rhead strong { font-size: 1.05rem; color: var(--primary); }
.guide-reset {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--text-light);
  font-size: 0.85rem;
  cursor: pointer;
  text-decoration: underline;
}
.guide-rlist { list-style: none; display: grid; gap: 12px; margin-bottom: 18px; }
.guide-rlist li {
  padding: 12px 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
}
.guide-rlist b { display: block; margin-bottom: 2px; }
.guide-rlist em { font-style: normal; color: var(--text-light); font-size: 0.88rem; }
.guide-ractions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ===== 服务分类 ===== */
.cat-block { margin-bottom: 52px; }
.cat-block:last-child { margin-bottom: 0; }
.cat-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
}
.cat-ico { font-size: 1.5rem; }
.cat-head h2 { font-size: 1.3rem; }
.cat-head p { color: var(--text-light); font-size: 0.9rem; margin-top: 2px; }

.svc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.svc-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.25s ease;
}
.svc-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.svc-card .card-icon { font-size: 1.9rem; margin-bottom: 12px; }
.svc-card h3 { font-size: 1.08rem; margin-bottom: 8px; }
.svc-card p { color: var(--text-light); font-size: 0.92rem; margin-bottom: 16px; }
.svc-card .svc-links { margin-top: auto; display: flex; gap: 10px; flex-wrap: wrap; }

/* ===== 服务详情块 ===== */
.svc-detail {
  padding: 30px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 26px;
}
.svc-detail:last-child { margin-bottom: 0; }
.svc-dhead { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.svc-dhead .card-icon { font-size: 2rem; margin: 0; }
.svc-dhead h2 { font-size: 1.35rem; }
.svc-detail > p.svc-desc { color: var(--text-light); margin-bottom: 20px; }
.svc-panels { display: grid; grid-template-columns: 1.25fr 1fr; gap: 24px; }
.svc-panel h4 {
  font-size: 0.92rem;
  color: var(--primary);
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}
.fact-list { list-style: none; display: grid; gap: 8px; }
.fact-list li {
  position: relative;
  padding-left: 24px;
  font-size: 0.92rem;
  color: var(--text);
}
.fact-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}
.fit-box {
  padding: 16px 18px;
  background: var(--bg-alt);
  border-radius: 10px;
  font-size: 0.92rem;
  color: var(--text-light);
}
.svc-detail .svc-links { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }

/* ===== 页面底部 CTA ===== */
.page-cta {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  padding: 46px 0;
  text-align: center;
}
.page-cta h2 { font-size: 1.5rem; margin-bottom: 8px; }
.page-cta p { opacity: 0.9; margin-bottom: 22px; }
.page-cta .btn-primary { background: #fff; color: var(--primary); }
.page-cta .btn-primary:hover { background: var(--accent); color: #fff; }
.page-cta .btn-ghost { color: #fff; border-color: rgba(255, 255, 255, 0.5); }
.page-cta .btn-ghost:hover { border-color: #fff; background: rgba(255, 255, 255, 0.1); }

/* ===== 子页面响应式 ===== */
@media (max-width: 900px) {
  .svc-grid, .guide-grid { grid-template-columns: 1fr; }
  .svc-panels { grid-template-columns: 1fr; }
}

/* ===== 子页面阿拉伯语 RTL ===== */
[dir="rtl"] .guide-card { text-align: right; }
[dir="rtl"] .guide-result { border-left: none; border-right: 4px solid var(--primary); }
[dir="rtl"] .guide-reset { margin-left: 0; margin-right: auto; }
[dir="rtl"] .fact-list li { padding-left: 0; padding-right: 24px; }
[dir="rtl"] .fact-list li::before { left: auto; right: 0; }
[dir="rtl"] .page-head { text-align: center; }

/* 引导选择：未选择时的提示 + 推荐项链接 */
.guide-hint {
  text-align: center;
  color: var(--text-light);
  font-size: 0.92rem;
  margin-top: 22px;
}
/* ==========================================================
   主页入口卡片 / 关于页导读 / 下单页侧栏（v22 新增）
   ========================================================== */

/* ===== 区块标题：加一条渐变短横线，视觉更收拢 ===== */
.section-head h2 { position: relative; display: inline-block; }
.section-head h2::after {
  content: "";
  display: block;
  width: 46px;
  height: 3px;
  margin: 12px auto 0;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
[dir="rtl"] .section-head h2::after { background: linear-gradient(270deg, var(--primary), var(--accent)); }

/* ===== 主页入口卡片 ===== */
.hub-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.hub-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 26px 26px 22px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: inherit;
  text-decoration: none;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.hub-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.25s ease;
}
.hub-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--primary); }
.hub-card:hover::before { opacity: 1; }
.hub-ico { font-size: 1.9rem; line-height: 1.1; }
.hub-card h3 { font-size: 1.12rem; }
.hub-card p { color: var(--text-light); font-size: 0.92rem; margin: 0; }
.hub-go {
  margin-top: auto;
  padding-top: 12px;
  color: var(--primary);
  font-weight: 700;
  font-size: 0.9rem;
}
.hub-go::after { content: " →"; transition: margin 0.2s ease; }
.hub-card:hover .hub-go::after { margin-left: 4px; }
[dir="rtl"] .hub-go::after { content: " ←"; }
[dir="rtl"] .hub-card:hover .hub-go::after { margin-left: 0; margin-right: 4px; }

/* ===== 关于页：导读块 ===== */
.section-lead { padding-bottom: 0; }
.lead-box {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 28px 30px;
  background: #fff;
  border: 1px solid var(--border);
  border-left: 5px solid var(--primary);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.lead-ico { font-size: 1.9rem; line-height: 1.1; }
.lead-box p { font-size: 1.02rem; }
[dir="rtl"] .lead-box { border-left: 1px solid var(--border); border-right: 5px solid var(--primary); }

/* ===== 下单页：表单 + 侧栏 ===== */
.order-layout { display: grid; grid-template-columns: 1.55fr 1fr; gap: 28px; align-items: start; }
.order-layout .order-form { padding: 32px; }
.order-aside { display: grid; gap: 18px; }
.oa-card {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.oa-card h3 { font-size: 1.05rem; color: var(--primary); margin-bottom: 8px; }
.oa-card p { color: var(--text-light); font-size: 0.92rem; }
.oa-list { list-style: none; display: grid; gap: 8px; margin-top: 14px; }
.oa-list li { position: relative; padding-left: 22px; font-size: 0.9rem; }
.oa-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}
.oa-wechat { text-align: center; }
.oa-wechat img {
  display: block;
  width: 168px;
  height: 168px;
  object-fit: contain;
  margin: 0 auto 12px;
  padding: 6px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
}
.oa-wechat .cc-label { font-size: 0.82rem; color: var(--text-light); }
.oa-wechat .cc-id { font-size: 1.08rem; }
.oa-wechat .btn-copy { margin-top: 12px; padding: 8px 18px; font-size: 0.9rem; }
.oa-link { display: block; text-align: center; color: var(--primary); font-weight: 600; font-size: 0.92rem; text-decoration: none; }
.oa-link:hover { text-decoration: underline; }
[dir="rtl"] .oa-list li { padding-left: 0; padding-right: 22px; }
[dir="rtl"] .oa-list li::before { left: auto; right: 0; }

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .hub-grid { grid-template-columns: 1fr; }
  .order-layout { grid-template-columns: 1fr; }
  .order-layout .order-form { padding: 24px; }
  .oa-wechat img { width: 148px; height: 148px; }
}

/* ==========================================================
   v23 视觉升级层
   --------------------------------------------------------
   设计方向：深海军蓝打底 + 天蓝/琥珀点缀，用景深、渐变与
   轻动效替代原先的扁平浅蓝，提升专业感与视觉冲击力。
   本层为覆盖层，写在最后以确保优先级。
   ========================================================== */

/* ---------- 1. 顶部导航：磨砂玻璃 + 渐变标识 + 下划线动效 ---------- */
.navbar {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(16px) saturate(1.5);
  -webkit-backdrop-filter: blur(16px) saturate(1.5);
  border-bottom: 1px solid rgba(9, 42, 80, 0.07);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.7) inset, 0 6px 24px -14px rgba(9, 42, 80, 0.22);
}
.nav-inner { height: 70px; }
.logo { gap: 10px; }
.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--primary) 0%, #2e86d6 100%);
  color: #fff;
  font-size: 1.05rem;
  line-height: 1;
  box-shadow: var(--glow-primary);
}
.logo-text { font-size: 1.18rem; letter-spacing: 0.01em; }
.nav-links { gap: 26px; }
.nav-links a:not(.btn) {
  position: relative;
  font-weight: 500;
  padding: 4px 0;
  transition: color 0.22s var(--ease);
}
.nav-links a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--sky));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.28s var(--ease);
}
.nav-links a:not(.btn):hover::after,
.nav-links a.active:not(.btn)::after { transform: scaleX(1); }
.nav-links a.active:not(.btn) { font-weight: 700; }

/* ---------- 2. 按钮：渐变 + 投影抬升 ---------- */
.btn {
  letter-spacing: 0.01em;
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease),
    background 0.22s var(--ease), color 0.22s var(--ease), border-color 0.22s var(--ease);
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #1a7dd0 100%);
  box-shadow: var(--glow-primary);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #0a4f93 0%, #1668b3 100%);
  box-shadow: 0 14px 32px rgba(11, 92, 171, 0.36);
  transform: translateY(-2px);
}
.btn-outline { background: rgba(11, 92, 171, 0.05); }
.btn-outline:hover { background: linear-gradient(135deg, var(--primary) 0%, #1a7dd0 100%); box-shadow: var(--glow-primary); }
.btn-ghost { background: #fff; }
.btn-ghost:hover { background: #f7fbff; box-shadow: var(--shadow-sm); }
.btn:active { transform: translateY(0) scale(0.985); }

/* ---------- 3. 首屏：深色渐变 + 经纬网格 + 光晕 ---------- */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 88px 0 82px;
  background:
    radial-gradient(1100px 560px at 14% -14%, rgba(56, 189, 248, 0.34) 0%, rgba(56, 189, 248, 0) 62%),
    radial-gradient(880px 520px at 94% -8%, rgba(245, 166, 35, 0.2) 0%, rgba(245, 166, 35, 0) 58%),
    linear-gradient(158deg, #05213f 0%, #073b70 48%, #0b5cab 100%);
}
/* 经纬网格 */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 64px 64px, 64px 64px;
  -webkit-mask-image: radial-gradient(120% 92% at 50% 0%, #000 28%, transparent 82%);
  mask-image: radial-gradient(120% 92% at 50% 0%, #000 28%, transparent 82%);
}
/* 斜向光带 */
.hero::after {
  content: "";
  position: absolute;
  right: -10%;
  top: -34%;
  width: 44%;
  height: 168%;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0));
  transform: skewX(-14deg);
}
.hero-inner { grid-template-columns: 1.15fr 1fr; gap: 52px; }
.hero h1 {
  font-size: clamp(1.9rem, 4.3vw, 2.9rem);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: #fff;
  margin-bottom: 20px;
  text-wrap: balance;
}
.hero .highlight {
  background: linear-gradient(92deg, var(--accent-light) 0%, var(--accent) 55%, #ff9f43 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  color: rgba(255, 255, 255, 0.76);
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: 540px;
  margin-bottom: 30px;
}
.hero-actions { gap: 16px; margin-bottom: 42px; }
.hero .btn-primary {
  background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
  color: #40290a;
  box-shadow: var(--glow-accent);
}
.hero .btn-primary:hover {
  background: linear-gradient(135deg, #ffd27a 0%, #f5a623 100%);
  box-shadow: 0 16px 36px rgba(245, 166, 35, 0.46);
}
.hero .btn-ghost {
  background: rgba(255, 255, 255, 0.07);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.42);
}
.hero .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: #fff;
  color: #fff;
  box-shadow: none;
}
.hero-stats { gap: 0; align-items: stretch; }
.hero-stats li {
  padding: 0 26px;
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}
.hero-stats li:first-child { padding-left: 0; border-left: none; }
.hero-stats strong {
  font-size: 1.72rem;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: #fff;
  font-variant-numeric: tabular-nums;
}
.hero-stats span { color: rgba(255, 255, 255, 0.6); font-size: 0.82rem; }
.hero-visual { position: relative; }
.hero .flight-panel {
  box-shadow: 0 30px 64px -24px rgba(2, 16, 33, 0.62), 0 0 0 1px rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

/* ---------- 4. 区块节奏与标题 ---------- */
.section { padding: 84px 0; }
.section-alt { background: linear-gradient(180deg, #f7fbff 0%, #eef5fc 100%); }
.section-head { margin-bottom: 48px; }
.section-head h2 {
  font-size: clamp(1.5rem, 2.7vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--ink);
  text-wrap: balance;
}
.section-head p { font-size: 1rem; margin-top: 10px; }
.section-head h2::after { width: 54px; height: 3.5px; margin-top: 14px; }

/* ---------- 5. 通用图标磁贴（emoji 收敛到统一容器，视觉更规整） ---------- */
.guide-ico,
.hub-ico,
.lead-ico,
.card-icon,
.svc-card .card-icon,
.svc-dhead .card-icon,
.cat-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(140deg, #eef6fe 0%, #dcecfa 100%);
  border: 1px solid var(--border-soft);
  box-shadow: 0 4px 12px -6px rgba(11, 92, 171, 0.34);
  font-size: 1.32rem;
  line-height: 1;
}
.hub-ico,
.lead-ico,
.svc-dhead .card-icon { width: 52px; height: 52px; border-radius: 15px; font-size: 1.45rem; }
.cat-ico { width: 42px; height: 42px; border-radius: 12px; font-size: 1.15rem; }
.card-icon,
.svc-card .card-icon { margin-bottom: 16px; }
.hub-card:hover .hub-ico,
.svc-card:hover .card-icon,
.guide-card:hover .guide-ico { transform: scale(1.06) rotate(-3deg); }
.hub-ico,
.card-icon,
.svc-card .card-icon,
.guide-ico { transition: transform 0.3s var(--ease); }

/* ---------- 6. 卡片景深与悬停 ---------- */
.card,
.svc-card,
.hub-card,
.adv-item,
.step {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.card:hover,
.svc-card:hover,
.hub-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-soft);
  box-shadow: var(--shadow-hover);
}
.card { padding: 30px; }
.card h3 { font-size: 1.14rem; font-weight: 700; color: var(--ink); letter-spacing: -0.005em; }
.svc-card h3 { font-size: 1.12rem; font-weight: 700; color: var(--ink); }
.hub-card { padding: 28px 26px 22px; }
.hub-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--ink); }
.hub-card::before { height: 4px; }
.hub-go { font-weight: 700; letter-spacing: 0.01em; }

/* 核心优势：左侧色条按顺序换色，破除四块雷同感 */
.adv-item {
  position: relative;
  overflow: hidden;
  border-left: none;
  padding: 28px 24px;
}
.adv-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--primary), var(--sky));
}
.adv-item:nth-child(2)::before { background: linear-gradient(180deg, #0ea5e9, #7dd3fc); }
.adv-item:nth-child(3)::before { background: linear-gradient(180deg, var(--accent), var(--accent-light)); }
.adv-item:nth-child(4)::before { background: linear-gradient(180deg, #0f9d76, #5ddcae); }
.adv-item h3 { font-size: 1.08rem; font-weight: 700; color: var(--ink); }

/* 运输流程：序号圆牌加渐变与投影 */
.step { padding: 30px 22px 26px; }
.step-num {
  width: 52px;
  height: 52px;
  line-height: 52px;
  font-size: 1.05rem;
  background: linear-gradient(135deg, var(--primary) 0%, #2e86d6 100%);
  box-shadow: var(--glow-primary);
  margin-bottom: 16px;
}
.step h3 { font-size: 1.08rem; font-weight: 700; color: var(--ink); }

/* ---------- 7. 引导选择 ---------- */
.guide-grid { gap: 20px; }
.guide-card {
  padding: 22px;
  border-width: 1px;
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-card);
}
.guide-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 24px 46px -24px rgba(11, 92, 171, 0.42);
}
.guide-card.selected {
  background: linear-gradient(180deg, #f2f8ff 0%, #e4f0fd 100%);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(11, 92, 171, 0.13), 0 24px 46px -24px rgba(11, 92, 171, 0.38);
}
.guide-txt strong { font-size: 1.04rem; font-weight: 700; color: var(--ink); }
.guide-result {
  border-left: none;
  border-radius: var(--radius-lg);
  padding: 26px;
  background: #fff;
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}
.guide-result::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--primary), var(--sky));
}
.guide-rhead strong { font-size: 1.08rem; font-weight: 800; color: var(--primary); }
.guide-rlist li {
  border-radius: 12px;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.guide-rlist li:hover { border-color: var(--border-soft); box-shadow: var(--shadow-sm); }
.guide-rlist b { color: var(--ink); }

/* ---------- 8. 子页面页头：与首屏同一套深色语言 ---------- */
.page-head {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  text-align: center;
  padding: 58px 0 54px;
  color: #fff;
  background:
    radial-gradient(760px 420px at 12% -20%, rgba(56, 189, 248, 0.3) 0%, rgba(56, 189, 248, 0) 62%),
    linear-gradient(150deg, #05213f 0%, #073b70 55%, #0b5cab 100%);
}
.page-head::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 56px 56px, 56px 56px;
  -webkit-mask-image: radial-gradient(120% 100% at 50% 0%, #000 26%, transparent 84%);
  mask-image: radial-gradient(120% 100% at 50% 0%, #000 26%, transparent 84%);
}
.page-head h1 {
  color: #fff;
  font-size: clamp(1.6rem, 3.3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.015em;
  margin-bottom: 12px;
  text-wrap: balance;
}
.page-head p { color: rgba(255, 255, 255, 0.74); font-size: 1rem; }
.crumb { color: rgba(255, 255, 255, 0.6); margin-bottom: 14px; }
.crumb a { color: #a8d5fb; font-weight: 600; }
.crumb a:hover { color: #fff; text-decoration: none; }

/* ---------- 9. 服务详情 / 表单容器：统一大圆角柔投影 ---------- */
.svc-detail,
.order-form,
.fs-box,
.oa-card,
.lead-box,
.cc-card,
.fs-route-card,
.fs-fcard {
  border-radius: var(--radius-lg);
  border-color: var(--border);
  box-shadow: var(--shadow-card);
}
.svc-detail { padding: 32px; }
.lead-box { border-left: none; position: relative; overflow: hidden; padding: 30px 32px; }
.lead-box::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: linear-gradient(180deg, var(--primary), var(--sky));
}
.svc-panel h4 { font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; font-size: 0.8rem; }
.fs-fcard { transition: box-shadow 0.25s var(--ease), transform 0.25s var(--ease); }
.fs-fcard:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.fs-row:hover { background: #f7fbff; }

/* 表单控件：纯白底 + 更柔和的聚焦光环 */
.form-group input,
.form-group select,
.form-group textarea,
.fs-bar input {
  background: #fff;
  border-color: #dde7f1;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
.fs-bar input:focus {
  border-color: var(--primary);
  box-shadow: var(--ring);
}
.fs-chip:hover { box-shadow: var(--shadow-sm); }

/* ---------- 10. 底部 CTA 与页脚 ---------- */
.page-cta {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 66px 0;
  background: linear-gradient(135deg, #073b70 0%, #0b5cab 52%, #1276c9 100%);
}
.page-cta::after {
  content: "";
  position: absolute;
  left: 50%;
  top: -60%;
  width: 120%;
  height: 220%;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(closest-side, rgba(56, 189, 248, 0.26), transparent 70%);
}
.page-cta h2 {
  font-size: clamp(1.4rem, 2.7vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -0.015em;
  margin-bottom: 12px;
  text-wrap: balance;
}
.page-cta p { opacity: 0.88; margin-bottom: 26px; font-size: 1rem; }
.page-cta .btn-primary {
  background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
  color: #40290a;
  box-shadow: var(--glow-accent);
}
.page-cta .btn-primary:hover {
  background: linear-gradient(135deg, #ffd27a 0%, var(--accent) 100%);
  color: #40290a;
  box-shadow: 0 16px 36px rgba(245, 166, 35, 0.44);
}
.footer {
  position: relative;
  background: linear-gradient(180deg, #04203f 0%, #062a52 100%);
  color: #c3daef;
  padding: 52px 0 22px;
}
.footer::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--sky) 45%, var(--accent));
}
.footer h3 { font-size: 1.12rem; font-weight: 700; }
.footer-inner { border-bottom-color: rgba(255, 255, 255, 0.12); }
.contact-info p { color: #c3daef; }
.contact-info strong { color: #fff; letter-spacing: 0.02em; }
.copyright { color: #7fa3c4; }

/* 返回顶部 */
.back-top {
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, var(--primary) 0%, #2e86d6 100%);
  box-shadow: var(--glow-primary);
  transition: opacity 0.3s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.back-top:hover { transform: translateY(-3px); box-shadow: 0 16px 32px rgba(11, 92, 171, 0.4); }

/* ---------- 11. 无障碍与动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .flight-panel { animation: none; }
  .hub-card:hover, .card:hover, .svc-card:hover, .guide-card:hover, .btn:hover { transform: none; }
}

/* ---------- 12. 视觉升级层 · 阿拉伯语 RTL 适配 ---------- */
[dir="rtl"] .adv-item::before { left: auto; right: 0; }
[dir="rtl"] .guide-result::before { left: auto; right: 0; }
[dir="rtl"] .lead-box::before { left: auto; right: 0; }
[dir="rtl"] .hero-stats li {
  border-left: none;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
}
[dir="rtl"] .hero-stats li:first-child { padding-right: 0; border-right: none; }
[dir="rtl"] .nav-links a:not(.btn)::after { transform-origin: right center; }
[dir="rtl"] .hero::after { right: auto; left: -10%; transform: skewX(14deg); }
[dir="rtl"] .hero h1 { text-wrap: initial; }

/* ---------- 13. 视觉升级层 · 响应式 ---------- */
@media (max-width: 900px) {
  .section { padding: 62px 0; }
  .hero { padding: 64px 0 60px; }
  .hero-inner { grid-template-columns: 1fr; gap: 34px; }
  .hero h1 { font-size: 1.9rem; }
  .hero-stats li { padding: 0 18px; }
  .hero-stats strong { font-size: 1.45rem; }
  .page-head { padding: 46px 0 42px; }
  .page-cta { padding: 52px 0; }
}
@media (max-width: 640px) {
  .nav-links { top: 70px; } /* 导航高度由 64px 提到 70px，下拉面板同步下移 */
  .nav-links a:not(.btn)::after { display: none; }
  .logo-icon { width: 30px; height: 30px; border-radius: 9px; font-size: 0.95rem; }
  .logo-text { font-size: 1.06rem; }
  .hero h1 { font-size: 1.62rem; }
  .hero-sub { font-size: 0.98rem; }
  .hero-stats { flex-wrap: wrap; gap: 18px 0; }
  .hero-stats li { padding: 0 18px; }
  .section-head h2 { font-size: 1.42rem; }
  .section { padding: 52px 0; }
  .card, .svc-detail, .guide-result { padding: 22px; }
}