/* ============================================================
   汇盟供应链 — 企业官网样式
   参考风格：干净蓝白企业风 / 卡片化 / 数据可视化
   设计令牌 / 语义化颜色 / 响应式 / 动效 / 无障碍
   ============================================================ */

:root {
  /* 品牌色：干净企业蓝 */
  --c-primary-50: #eff6ff;
  --c-primary-100: #dbeafe;
  --c-primary-200: #bfdbfe;
  --c-primary-300: #93c5fd;
  --c-primary-500: #3b82f6;
  --c-primary-600: #2563eb;
  --c-primary-700: #1d4ed8;
  --c-primary-800: #1e40af;
  --c-primary-900: #1e3a8a;

  --c-cyan-400: #22d3ee;
  --c-cyan-500: #06b6d4;
  --c-cyan-600: #0891b2;

  /* 中性色 */
  --c-bg: #ffffff;
  --c-surface: #f8fafc;
  --c-surface-2: #f1f5f9;
  --c-ink: #0f172a;
  --c-ink-2: #1e293b;
  --c-muted: #64748b;
  --c-muted-2: #94a3b8;
  --c-line: #e2e8f0;
  --c-line-2: #cbd5e1;

  /* 语义 */
  --c-primary: var(--c-primary-600);
  --c-primary-hover: var(--c-primary-700);
  --c-accent: var(--c-cyan-500);
  --c-on-primary: #ffffff;

  /* 排版 */
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Inter", "Noto Sans SC", system-ui, sans-serif;

  /* 间距 / 圆角 / 阴影 */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
  --shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.12);
  --shadow-card: 0 8px 30px rgba(30, 58, 138, 0.08);
  --container: 1200px;

  /* 层级 */
  --z-header: 100;
}

/* ---------- 基础 ---------- */
* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--c-ink);
  background: var(--c-bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.25; color: var(--c-ink); margin: 0; }
p { margin: 0 0 1rem; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; height: auto; }
ul { margin: 0; padding: 0; list-style: none; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.text-primary { color: var(--c-primary-700); }
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--c-primary-800); color: #fff; padding: 10px 18px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-display); font-weight: 600; font-size: 15px;
  padding: 12px 26px; border-radius: 10px; border: 1.5px solid transparent;
  cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
  min-height: 46px;
}
.btn:focus-visible { outline: 3px solid var(--c-primary-300); outline-offset: 2px; }
.btn-primary { background: linear-gradient(135deg, var(--c-primary-500), var(--c-primary-600)); color: #fff; box-shadow: 0 8px 20px rgba(37, 99, 235, .20); position: relative; overflow: hidden; }
.btn-primary:hover { background: linear-gradient(135deg, var(--c-primary-500), var(--c-primary-700)); transform: translateY(-2px); box-shadow: inset 0 0 0 100px rgba(255,255,255,.10), 0 12px 28px rgba(37, 99, 235, .26); }
.btn-outline { background: transparent; color: var(--c-primary-700); border-color: var(--c-primary-200); }
.btn-outline:hover { background: var(--c-primary-50); border-color: var(--c-primary-300); transform: translateY(-2px); }
.btn-ghost { background: rgba(255,255,255,.08); color: #fff; border-color: rgba(255,255,255,.45); }
.btn-ghost:hover { background: rgba(255,255,255,.18); transform: translateY(-2px); }
.btn-lg { padding: 15px 32px; font-size: 16px; }
/* 顶部"立即咨询"去掉箭头 */
.header-actions .btn-primary::after { content: none; }
.btn-block { width: 100%; }
/* 按钮箭头 */
.btn::after { content: "\2192"; margin-left: 6px; font-weight: 700; transition: transform .2s ease; }
.btn:hover::after { transform: translateX(4px); }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: var(--z-header);
  background: rgba(255,255,255,0); transition: background .3s ease, box-shadow .3s ease, backdrop-filter .3s ease;
}
.site-header.scrolled {
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(14px);
  box-shadow: 0 1px 0 rgba(226, 232, 240, .8);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 16px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { display: grid; place-items: center; }
.brand-mark img { display: block; width: auto; height: 40px; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-family: var(--font-display); font-size: 18px; color: var(--c-ink); letter-spacing: .5px; }
.brand-text small { font-size: 10px; letter-spacing: 2px; color: var(--c-muted); }

.site-nav ul { display: flex; gap: 6px; }
.site-nav a {
  display: inline-block; padding: 9px 16px; border-radius: 8px;
  font-size: 15px; font-weight: 500; color: var(--c-ink-2); transition: color .2s, background .2s;
}
.site-nav a:hover { color: var(--c-primary-700); background: var(--c-primary-50); }
.site-nav a.active { color: var(--c-primary-700); background: var(--c-primary-50); font-weight: 600; }

.header-actions { display: flex; align-items: center; gap: 12px; }

/* 语言切换器 */
.lang-switch { position: relative; display: inline-flex; }
.lang-toggle { display: inline-flex; align-items: center; gap: 6px; background: #fff; border: 1px solid var(--c-line); border-radius: 999px; padding: 6px 10px; cursor: pointer; font-size: 13px; font-weight: 600; color: var(--c-ink); transition: border-color .2s, box-shadow .2s; }
.lang-toggle:hover { border-color: var(--c-primary-300); }
.lang-switch.is-open .lang-toggle { border-color: var(--c-primary-400); box-shadow: 0 0 0 3px rgba(37, 99, 235, .08); }
.lang-current { display: inline-flex; align-items: center; gap: 6px; }
.lang-flag { font-size: 16px; line-height: 1; }
.lang-name { white-space: nowrap; }
.lang-arrow { color: var(--c-muted); transition: transform .25s ease; }
.lang-switch.is-open .lang-arrow { transform: rotate(180deg); }
.lang-list { position: absolute; top: calc(100% + 8px); right: 0; min-width: 150px; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 6px; box-shadow: var(--shadow-card); list-style: none; z-index: var(--z-header); opacity: 0; visibility: hidden; transform: translateY(-6px); transition: opacity .2s ease, transform .2s ease, visibility .2s ease; }
.lang-list[hidden] { display: none; }
.lang-switch.is-open .lang-list { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-list li { margin: 0; }
.lang-list a { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 8px; font-size: 13px; font-weight: 500; color: var(--c-ink-2); transition: background .2s, color .2s; white-space: nowrap; }
.lang-list a:hover { background: var(--c-primary-50); color: var(--c-primary-700); }
.lang-list a.is-current { background: var(--c-primary-50); color: var(--c-primary-700); font-weight: 600; }
.nav-toggle {
  display: none; flex-direction: column; gap: 5px; width: 44px; height: 44px;
  background: none; border: 0; cursor: pointer; padding: 10px;
}
.nav-toggle span { height: 2px; width: 24px; background: var(--c-ink); border-radius: 2px; transition: .25s; }

/* ---------- 首屏 ---------- */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  background:
    radial-gradient(80% 60% at 90% 10%, rgba(34,211,238,.16) 0%, transparent 55%),
    radial-gradient(70% 55% at 8% 92%, rgba(37,99,235,.14) 0%, transparent 55%),
    radial-gradient(55% 40% at 50% 55%, rgba(219,234,254,.9) 0%, transparent 65%),
    linear-gradient(180deg, #f0f9ff 0%, #ffffff 50%, #eff6ff 100%);
  color: var(--c-ink); overflow: hidden; padding: 120px 0 80px;
}
.hero::before,
.hero::after {
  content: ""; position: absolute; pointer-events: none;
}
.hero::before {
  right: -8%; top: -12%; width: 72%; height: 92%;
  background: radial-gradient(circle at 72% 28%, rgba(59,130,246,.12) 0%, transparent 58%);
}
.hero::after {
  left: -12%; bottom: -18%; width: 56%; height: 70%;
  background: radial-gradient(circle at 35% 70%, rgba(34,211,238,.10) 0%, transparent 60%);
}
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; }

.hero-tag {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(37, 99, 235, .06);
  border: 1px solid rgba(37, 99, 235, .14);
  color: var(--c-primary-700);
  font-weight: 700; font-size: 13px; letter-spacing: .5px;
  padding: 10px 22px; border-radius: 999px;
  margin-bottom: 22px; width: fit-content;
  backdrop-filter: blur(4px);
}
.tag-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--c-cyan-500); box-shadow: 0 0 0 4px rgba(6, 182, 212, .18); }

.hero h1 { font-size: clamp(34px, 5vw, 58px); font-weight: 800; margin-bottom: 22px; letter-spacing: -1px; }
.hero h1 .text-primary {
  background: linear-gradient(135deg, var(--c-primary-600) 0%, var(--c-cyan-500) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub { color: var(--c-muted); font-size: 17px; max-width: 52ch; }
.hero-sub strong { color: var(--c-ink-2); }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.hero-tags span { display: inline-flex; align-items: center; gap: 7px; font-size: 13.5px; font-weight: 600; color: var(--c-primary-700); background: rgba(255,255,255,.72); border: 1px solid var(--c-primary-100); padding: 7px 16px; border-radius: 999px; backdrop-filter: blur(4px); box-shadow: var(--shadow-sm); }
.hero-tags span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--c-cyan-500); }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }

.hero-visual { display: grid; place-items: center; }
.hero-image-card { position: relative; border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-lg); background: var(--c-surface-2); }
.hero-image-card img { width: 100%; height: auto; object-fit: cover; aspect-ratio: 3 / 2; }
.hero-float-card { position: absolute; display: flex; align-items: center; gap: 12px; background: #fff; border-radius: var(--radius); padding: 14px 18px; box-shadow: var(--shadow); border: 1px solid var(--c-line); }
.hero-float-card strong { display: block; font-size: 15px; color: var(--c-ink); }
.hero-float-card small { display: block; font-size: 12px; color: var(--c-muted); }
.float-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--c-primary-50); color: var(--c-primary-600); display: grid; place-items: center; }
.float-icon svg { width: 22px; height: 22px; }
.card-1 { left: -24px; bottom: 80px; }
.card-2 { right: -20px; top: 60px; }

/* ---------- 通用区块 ---------- */
.section { padding: 100px 0; }
.section-alt {
  background:
    radial-gradient(70% 60% at 100% 0%, rgba(37,99,235,.05) 0%, transparent 60%),
    radial-gradient(60% 50% at 0% 100%, rgba(6,182,212,.04) 0%, transparent 60%),
    #f6faff;
}
.section-cta {
  position: relative; overflow: hidden;
  background:
    radial-gradient(70% 60% at 90% 12%, rgba(34,211,238,.22) 0%, transparent 55%),
    radial-gradient(65% 55% at 10% 95%, rgba(37,99,235,.20) 0%, transparent 55%),
    radial-gradient(55% 40% at 50% 55%, rgba(219,234,254,.9) 0%, transparent 65%),
    linear-gradient(135deg, #f0f9ff 0%, #ffffff 50%, #eff6ff 100%);
  color: var(--c-ink);
  border-top: 1px solid var(--c-line);
}
.section-cta::before,
.section-cta::after { content: ""; position: absolute; pointer-events: none; }
.section-cta::before { right: -10%; top: -15%; width: 70%; height: 90%; background: radial-gradient(circle at 72% 28%, rgba(59,130,246,.16) 0%, transparent 58%); }
.section-cta::after { left: -12%; bottom: -18%; width: 56%; height: 70%; background: radial-gradient(circle at 35% 70%, rgba(34,211,238,.14) 0%, transparent 60%); }
.section-cta > .container { position: relative; z-index: 1; }
.section-cta .section-kicker { justify-content: flex-start; }
.section-cta .section-kicker.light,
.section-cta .section-kicker.light .kicker-idx { background: linear-gradient(135deg, var(--c-primary-600) 0%, var(--c-cyan-500) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.section-cta h2 { color: var(--c-ink); }
.section-cta p { color: var(--c-muted); }
.section-cta .cta-contact li { color: var(--c-ink-2); }
.section-cta .cta-contact span { background: var(--c-cyan-500); }
.section-cta .qr-card { background: #fff; box-shadow: 0 20px 50px rgba(37, 99, 235, .12); border: 1px solid var(--c-line); }
.section-cta .qr-id { color: var(--c-primary-700); background: var(--c-primary-50); border-color: var(--c-primary-100); }

.section-head { max-width: 760px; margin: 0 auto 60px; text-align: center; }
.section-kicker { display: flex; align-items: baseline; justify-content: center; gap: 12px; font-family: var(--font-display); font-weight: 800; letter-spacing: 2.5px; font-size: 13px; margin-bottom: 16px; }
.section-kicker,
.section-kicker .kicker-idx {
  background: linear-gradient(135deg, var(--c-primary-600) 0%, var(--c-cyan-500) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.section-kicker .kicker-idx { font-size: 30px; font-weight: 800; letter-spacing: 0; line-height: 1; transform: translateY(2px); }
.section-kicker.light,
.section-kicker.light .kicker-idx { background: linear-gradient(135deg, var(--c-primary-500) 0%, var(--c-cyan-400) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.section-head h2 {
  font-size: clamp(26px, 3.6vw, 42px); font-weight: 800;
  color: var(--c-ink); position: relative; display: inline-block; padding-bottom: 16px;
}
.section-head h2 .text-accent { color: var(--c-cyan-600); }
.section-head h2::after {
  content: ""; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%);
  width: 0; height: 4px; border-radius: 4px; background: linear-gradient(90deg, var(--c-primary-600), var(--c-cyan-500));
  transition: width .8s cubic-bezier(.22,.61,.36,1) .25s;
}
.section-head.is-visible h2::after { width: 56px; }
.section-lead { color: var(--c-muted); font-size: 17px; margin-top: 14px; }

/* ---------- 企业概况 ---------- */
.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-media { position: relative; }
.about-image-card { border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-lg); background: var(--c-surface-2); }
.about-image-card img { width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: cover; }
.about-experience {
  position: absolute; right: -24px; bottom: 40px; background: linear-gradient(135deg, var(--c-primary-500) 0%, var(--c-primary-300) 100%); color: #fff; box-shadow: var(--shadow-lg);
  border-radius: var(--radius-lg); padding: 22px 28px; box-shadow: var(--shadow-lg);
}
.about-experience span { display: block; font-size: 13px; opacity: .8; margin-bottom: 6px; }
.about-experience strong { font-family: var(--font-display); font-size: 22px; font-weight: 800; line-height: 1.3; }

.about-content .section-kicker { justify-content: flex-start; }
.about-content h2 { text-align: left; margin-bottom: 12px; color: var(--c-ink); }
.about-content .section-lead { text-align: left; margin-bottom: 22px; }
.about-body p { color: var(--c-muted); font-size: 16px; margin-bottom: 14px; }
.about-body strong { color: var(--c-ink-2); }
.about-features { display: grid; gap: 12px; margin-top: 24px; }
.about-features li { display: flex; align-items: center; gap: 12px; font-weight: 600; color: var(--c-ink-2); }
.feature-icon { width: 28px; height: 28px; border-radius: 50%; background: var(--c-primary-50); color: var(--c-primary-600); display: grid; place-items: center; }
.feature-icon svg { width: 16px; height: 16px; }

/* ---------- 核心业务 ---------- */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service-card { position: relative; overflow: hidden; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: 34px 28px; box-shadow: var(--shadow-sm); transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease, background .35s ease; }
.service-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--c-primary-500), var(--c-cyan-500)); transform: scaleX(0); transform-origin: left; transition: transform .4s ease; }
.service-card:hover, .service-card.is-active { transform: translateY(-8px); box-shadow: 0 20px 46px rgba(37, 99, 235, .12); border-color: var(--c-primary-200); }
.service-card:hover::before, .service-card.is-active::before { transform: scaleX(1); }
.service-card:hover .service-icon, .service-card.is-active .service-icon { animation: pulseSoft .6s ease; }
.service-num { position: absolute; top: 22px; right: 24px; font-family: var(--font-display); font-weight: 800; font-size: 28px; color: var(--c-primary-100); }
.service-icon { display: inline-grid; place-items: center; width: 58px; height: 58px; border-radius: 14px; background: linear-gradient(135deg, var(--c-primary-600), var(--c-cyan-500)); color: #fff; margin-bottom: 20px; }
.service-icon svg { width: 28px; height: 28px; }
.service-card h3 { font-size: 19px; margin-bottom: 10px; }
.service-card p { color: var(--c-muted); font-size: 15px; margin: 0; }

/* ---------- 服务流程 ---------- */
.process-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.process-card { position: relative; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: 28px 22px; text-align: center; transition: transform .25s, box-shadow .25s; }
.process-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-card); }
.process-step { display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%); color: #fff; font-family: var(--font-display); font-weight: 800; font-size: 16px; margin-bottom: 16px; box-shadow: 0 6px 16px rgba(59, 130, 246, .28); }
.process-card h3 { font-size: 17px; margin-bottom: 8px; }
.process-card p { color: var(--c-muted); font-size: 14px; margin: 0; }
.process-card.is-active .process-step { background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%); color: #fff; box-shadow: 0 8px 20px rgba(37, 99, 235, .3); }

/* ---------- 物流网络 ---------- */
.network-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.network-map { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-xl); padding: 20px; box-shadow: var(--shadow-sm); overflow: hidden; }
.network-map img { width: 100%; height: auto; display: block; border-radius: calc(var(--radius-xl) - 12px); }
.network-cards { display: grid; gap: 16px; }
.network-card { position: relative; overflow: hidden; display: flex; gap: 16px; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-sm); transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease; }
.network-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: linear-gradient(180deg, var(--c-primary-500), var(--c-cyan-500)); transform: scaleY(0); transform-origin: top; transition: transform .4s ease; }
.network-card:hover, .network-card.is-active { transform: translateY(-6px) translateX(4px); box-shadow: 0 18px 40px rgba(37, 99, 235, .11); border-color: var(--c-primary-200); }
.network-card:hover::before, .network-card.is-active::before { transform: scaleY(1); }
.network-badge { flex-shrink: 0; width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; font-family: var(--font-display); font-weight: 800; font-size: 13px; color: #fff; }
.network-badge.cn { background: var(--c-primary-600); }
.network-badge.th { background: var(--c-cyan-500); }
.network-badge.route { background: #fff; color: var(--c-primary-700); border: 1.5px solid var(--c-primary-200); }
.network-card h3 { font-size: 17px; margin-bottom: 6px; }
.network-card p { color: var(--c-muted); font-size: 14px; margin: 0; }
.network-card strong { color: var(--c-ink-2); }

/* ---------- 泰国车队 ---------- */
.fleet-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.fleet-media { border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-lg); background: var(--c-surface-2); }
.fleet-media img { width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: cover; }
.fleet-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-bottom: 22px; }
.fleet-card { position: relative; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 20px 20px 20px 22px; transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease; }
.fleet-card::before { content: ""; position: absolute; left: 0; top: 14px; bottom: 14px; width: 3px; border-radius: 3px; background: linear-gradient(180deg, var(--c-primary-500), var(--c-cyan-500)); opacity: 0; transition: opacity .35s ease; }
.fleet-card:hover, .fleet-card.is-active { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(37, 99, 235, .11); border-color: var(--c-primary-200); }
.fleet-card:hover::before, .fleet-card.is-active::before { opacity: 1; }
.fleet-card h3 { color: var(--c-ink); font-size: 17px; margin-bottom: 4px; }
.fleet-card p { color: var(--c-muted); font-size: 13.5px; margin: 0; }
.fleet-points { display: flex; flex-wrap: wrap; gap: 10px; }
.fleet-points li { display: inline-flex; align-items: center; gap: 7px; color: var(--c-ink-2); background: var(--c-primary-50); border: 1px solid var(--c-primary-100); padding: 7px 14px; border-radius: 999px; font-weight: 500; font-size: 14px; }
.fleet-points span { color: var(--c-primary-600); font-weight: 800; }

/* ---------- 企业优势 ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.adv-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: 32px 26px; box-shadow: var(--shadow-sm); transition: transform .25s, box-shadow .25s, border-color .25s; }
.adv-card:hover, .adv-card.is-active { transform: translateY(-5px); box-shadow: var(--shadow-card); border-color: var(--c-primary-200); }
.adv-icon { display: inline-grid; place-items: center; width: 52px; height: 52px; border-radius: 12px; background: var(--c-primary-50); color: var(--c-primary-600); margin-bottom: 18px; transition: background .3s ease, color .3s ease; }
.adv-card:hover .adv-icon, .adv-card.is-active .adv-icon { background: linear-gradient(135deg, var(--c-primary-600), var(--c-cyan-500)); color: #fff; }
.adv-icon svg { width: 26px; height: 26px; }
.adv-card h3 { font-size: 18px; margin-bottom: 10px; }
.adv-card p { color: var(--c-muted); font-size: 14.5px; margin: 0; }

/* ---------- 理念愿景 ---------- */
.vision-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.vision-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-xl); padding: 40px 34px; box-shadow: var(--shadow-sm); }
.vision-badge { display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 12px; background: var(--c-primary-50); color: var(--c-primary-700); font-family: var(--font-display); font-weight: 800; margin-bottom: 18px; }
.vision-card h3 { font-size: 22px; margin-bottom: 14px; }
.vision-slogan { color: var(--c-primary-700); font-weight: 700; font-size: 16px; margin-bottom: 14px; }
.vision-card p { color: var(--c-muted); font-size: 15.5px; }

/* ---------- 联系 ---------- */
.cta-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.cta-copy h2 { font-size: clamp(26px, 3.6vw, 42px); color: var(--c-ink); margin-bottom: 16px; }
.cta-copy p { color: var(--c-muted); }
.cta-contact { margin-top: 28px; display: grid; gap: 12px; }
.cta-contact li { display: flex; align-items: center; gap: 12px; color: var(--c-ink-2); font-size: 15px; }
.cta-contact span { display: inline-block; flex-shrink: 0; width: 9px; height: 9px; border-radius: 50%; background: linear-gradient(135deg, var(--c-primary-500), var(--c-cyan-500)); box-shadow: 0 0 0 3px rgba(6,182,212,.16); }

.qr-contact { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.qr-card { background: #fff; border-radius: var(--radius-xl); padding: 30px 26px; box-shadow: var(--shadow-sm); text-align: center; transition: transform .25s, box-shadow .25s, border-color .25s; border: 1.5px solid var(--c-primary-100); }
.qr-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); border-color: var(--c-primary-200); }
.qr-img-wrap { transition: transform .25s ease; }
.qr-card:hover .qr-img-wrap { transform: scale(1.03); }
.qr-icon { width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; color: #fff; margin: 0 auto 16px; }
.qr-wechat { background: #07c160; }
.qr-wa { background: #25d366; }
.qr-img-wrap { width: 220px; height: 220px; margin: 0 auto 18px; padding: 12px; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); display: grid; place-items: center; }
.qr-img-wrap img { width: 100%; height: 100%; object-fit: contain; }
.qr-card h3 { font-size: 19px; margin-bottom: 8px; color: var(--c-ink); }
.qr-card p { color: var(--c-muted); font-size: 14px; margin: 0 0 12px; }
.qr-id { display: inline-block; font-weight: 600; font-size: 14px; color: var(--c-primary-700); background: var(--c-primary-50); border: 1px solid var(--c-primary-100); padding: 7px 16px; border-radius: 999px; }
a.qr-id:hover { background: var(--c-primary-100); }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--c-primary-50); color: var(--c-ink-2); padding: 64px 0 32px; border-top: 1px solid var(--c-line); }
.footer-inner { display: flex; flex-direction: column; gap: 36px; }
.footer-main { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; }
.footer-brand-title { display: flex; align-items: center; gap: 10px; }
.footer-brand-title img { width: 40px; height: 22px; object-fit: contain; }
.footer-brand-title strong {
  background: linear-gradient(90deg, var(--c-primary-600), var(--c-cyan-500));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-family: var(--font-display);
  font-size: 18px;
}
.footer-brand p { font-size: 12px; letter-spacing: 1px; color: var(--c-muted); margin: 6px 0 0; }
.footer-desc { max-width: 40ch; margin-top: 14px; font-size: 14px; color: var(--c-muted); }
.footer-nav { display: flex; gap: 48px; }
.footer-nav-col { display: flex; flex-direction: column; gap: 10px; }
.footer-nav-col h4 { color: var(--c-ink); font-size: 15px; margin-bottom: 4px; }
.footer-nav-col a { color: var(--c-muted); font-size: 14px; transition: color .2s; }
.footer-nav-col a:hover { color: var(--c-primary-600); }
.footer-copy { font-size: 13px; color: var(--c-muted); margin: 0; padding-top: 24px; border-top: 1px solid var(--c-line); }

/* ---------- 滚动揭示动画 ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- 返回顶部 ---------- */
.back-to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 90;
  width: 48px; height: 48px; border-radius: 14px; border: 0; cursor: pointer;
  background: var(--c-primary-500); color: #fff; display: grid; place-items: center;
  box-shadow: 0 8px 20px rgba(37, 99, 235, .26); opacity: 0; visibility: hidden;
  transform: translateY(12px); transition: opacity .3s, transform .3s, visibility .3s, background .2s;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: none; }
.back-to-top:hover { background: var(--c-primary-600); }
.back-to-top:focus-visible { outline: 3px solid var(--c-primary-300); outline-offset: 2px; }
.back-to-top svg { width: 22px; height: 22px; }

/* 全局键盘焦点可见性 */
a:focus-visible, button:focus-visible { outline: 3px solid var(--c-primary-300); outline-offset: 2px; border-radius: 6px; }

/* 悬浮卡片轻微上下浮动 */
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.hero-float-card { animation: floaty 4s ease-in-out infinite; }
.hero-float-card.card-2 { animation-delay: -2s; }

/* 图标悬停脉冲 */
@keyframes pulseSoft { 0%,100% { transform: scale(1); } 50% { transform: scale(1.08); } }
.service-card:hover .service-icon,
.adv-card:hover .adv-icon,
.network-card:hover .network-badge { animation: pulseSoft .6s ease; }

/* 装饰光点在页脚/CTA 缓慢呼吸 */
@keyframes breathe { 0%,100% { opacity: .55; transform: scale(1); } 50% { opacity: .9; transform: scale(1.06); } }

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; max-width: 720px; margin: 0 auto; }
  .about-layout, .fleet-layout, .network-layout { grid-template-columns: 1fr; gap: 40px; }
  .about-media { max-width: 560px; margin: 0 auto; }
  .fleet-media { max-width: 560px; margin: 0 auto; }
  .network-map { max-width: 640px; margin: 0 auto; }
  .cta-inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 900px) {
  .service-grid, .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-main { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 720px) {
  .section { padding: 72px 0; }
  .site-nav {
    position: fixed; inset: 76px 0 auto 0; background: rgba(255,255,255,.98);
    backdrop-filter: blur(10px); transform: translateY(-120%); transition: transform .3s ease; padding: 14px 0; border-bottom: 1px solid var(--c-line);
  }
  .site-nav.open { transform: translateY(0); }
  .site-nav ul { flex-direction: column; gap: 0; }
  .site-nav a { display: block; padding: 14px 24px; border-radius: 0; color: var(--c-ink) !important; }
  .site-nav a.active { background: var(--c-primary-50); color: var(--c-primary-700) !important; }
  .nav-toggle { display: flex; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .header-actions .btn-primary { display: none; }

  .service-grid, .adv-grid, .fleet-grid, .vision-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .about-experience { right: 12px; bottom: 20px; padding: 16px 20px; }
  .hero-float-card { display: none; }
  .qr-contact { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .footer-nav { flex-wrap: wrap; gap: 28px; }
}

/* ---------- 无障碍：减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .route-path { animation: none; }
  * { transition-duration: .01ms !important; }
}