/* ===== 星寄极达物流 - 官网 v3.1 纯自定义（已移除Bootstrap） ===== */
/* 零框架依赖，全部手写CSS */

/* === Reset === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:hidden;-webkit-text-size-adjust:100%}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#1e293b;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}
input{font-family:inherit}
h1,h2,h3,h4,h5,h6{margin:0;line-height:1.3}

/* === 基础栅格（替代Bootstrap） === */
.row{display:flex;flex-wrap:wrap;margin:0 -10px}
.row>*{padding:0 10px}
.col-6{width:50%}
.col-12{width:100%}
@media(min-width:480px){.col-sm-6{width:50%}}
@media(min-width:768px){.col-md-4{width:33.333%}.col-md-6{width:50%}.col-md-8{width:66.666%}}
@media(min-width:992px){.col-lg-3{width:25%}.col-lg-4{width:33.333%}.col-lg-5{width:41.666%}.col-lg-6{width:50%}.col-lg-7{width:58.333%}.col-lg-8{width:66.666%}}
@media(min-width:1200px){.col-xl-3{width:25%}}

/* === 辅助工具 === */
.text-center{text-align:center}
.text-left{text-align:left}
.mr-1{margin-right:4px}.mr-2{margin-right:8px}.mr-3{margin-right:12px}.mr-4{margin-right:16px}
.ml-1{margin-left:4px}.ml-2{margin-left:8px}.ml-3{margin-left:12px}
.mb-0{margin-bottom:0}.mb-1{margin-bottom:4px}.mb-2{margin-bottom:8px}.mb-3{margin-bottom:12px}.mb-4{margin-bottom:16px}.mb-5{margin-bottom:24px}
.mt-0{margin-top:0}.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-3{margin-top:12px}.mt-4{margin-top:16px}.mt-5{margin-top:24px}
.p-0{padding:0}.p-2{padding:8px}.p-3{padding:12px}.p-4{padding:16px}.px-3{padding-left:12px;padding-right:12px}.py-3{padding-top:12px;padding-bottom:12px}.py-4{padding-top:16px;padding-bottom:16px}.py-5{padding-top:24px;padding-bottom:24px}
.d-block{display:block}.d-inline-block{display:inline-block}.d-flex{display:flex}.d-none{display:none}.d-grid{display:grid}
.align-items-center{align-items:center}.justify-content-center{justify-content:center}.justify-content-between{justify-content:space-between}
.flex-wrap{flex-wrap:wrap}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}
.rounded-sm{border-radius:8px}.rounded{border-radius:12px}.rounded-lg{border-radius:16px}.rounded-xl{border-radius:24px}
.w-100{width:100%}.h-100{height:100%}
.overflow-hidden{overflow:hidden}
.position-relative{position:relative}.position-absolute{position:absolute}
.text-white{color:#fff}
.text-secondary{color:#64748b}
.text-accent{color:var(--accent)}
.font-bold{font-weight:700}
.small{font-size:13px}
.object-cover{object-fit:cover}
.order-first{order:-1}

:root {
  /* ===== 间距 ===== */
  --sp-xs: 8px;
  --sp-sm: 12px;
  --sp-md: 20px;
  --sp-lg: 32px;
  --sp-xl: 48px;
  --sp-2xl: 64px;
  --sp-3xl: 96px;
  --topbar-h: 64px;

  /* ===== 颜色 ===== */
  --pri: #0a0e1a;
  --pri2: #111827;
  --pri3: #1a1f2e;
  --accent: #e8a817;
  --accent2: #fbbf24;
  --accent-light: #fef3c7;
  --blue: #2563eb;
  --blue2: #3b82f6;
  --blue-light: #dbeafe;
  --text: #1e293b;
  --text2: #64748b;
  --text3: #94a3b8;
  --bg: #f8fafc;
  --bg2: #f1f5f9;
  --white: #ffffff;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --green: #10b981;
  --green-light: #d1fae5;
  --green-dark: #065f46;
  --red: #ef4444;
  --red-light: #fee2e2;
  --purple: #8b5cf6;
  --purple-light: #ede9fe;
  /* ===== 中间色（设计系统扩展） ===== */
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --blue-300: #93c5fd;
  --blue-400: #60a5fa;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-800: #1e40af;
  --blue-900: #1e3a8a;
  --amber-700: #b45309;
  --amber-600: #d97706;
  --sky-100: #e0f2fe;
  --sky-200: #bae6fd;
  --sky-500: #0ea5e9;
  --indigo-600: #4f46e5;
  --indigo-700: #4338ca;
  --track-hero-1: #0b1b38;
  --track-hero-2: #122d54;
  --track-hero-3: #1a3f70;
  --track-bg: #f5f7fb;
  --track-card-border: #edf2f8;
  --track-card-bg: #f8fbff;


  /* ===== 字体 ===== */
  --font: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;

  /* ===== 圆角 ===== */
  --r-xs: 6px;
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-full: 9999px;

  /* ===== 阴影 ===== */
  --shadow-xs: 0 1px 2px rgba(10,14,26,.04);
  --shadow-sm: 0 2px 8px rgba(10,14,26,.06);
  --shadow-md: 0 8px 24px rgba(10,14,26,.08);
  --shadow-lg: 0 16px 40px rgba(10,14,26,.10);
  --shadow-xl: 0 24px 56px rgba(10,14,26,.14);
  --shadow-accent: 0 8px 28px rgba(232,168,23,.25);
  --shadow-blue: 0 8px 24px rgba(37,99,235,.2);

  /* ===== 过渡 ===== */
  --ease-out: cubic-bezier(.16,1,.3,1);
  --ease-in-out: cubic-bezier(.65,0,.35,1);
  --ease-spring: cubic-bezier(.34,1.56,.64,1);
  --dur-fast: .15s;
  --dur-normal: .3s;
  --dur-slow: .5s;
}

/* ===== 全局 ===== */
* { box-sizing: border-box; }
html{scroll-behavior:smooth;overflow-x:hidden;-webkit-text-size-adjust:100%;scroll-padding-top:80px}

body {
  margin: 0; padding: 0;
  font-family: var(--font);
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  background: var(--bg);
}

::selection{background:rgba(232,168,23,.18);color:var(--pri)}
::-webkit-scrollbar{width:4px;height:4px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:var(--r-full)}
::-webkit-scrollbar-thumb:hover{background:#94a3b8}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}

h1,h2,h3,h4,h5,h6 { margin-top: 0; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }

/* ===== 顶部导航 ===== */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  height: 76px; display: flex; align-items: center;
  transition: all var(--dur-slow) var(--ease-out);
}
.topbar.scrolled {
  background: rgba(10,14,26,.96);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 0 rgba(255,255,255,.06), 0 4px 20px rgba(0,0,0,.15);
  height: 68px;
}
.topbar-inner {
  width: 100%; max-width: 1320px; margin: 0 auto; padding: 0 40px;
  display: flex; align-items: center; justify-content: space-between;
}
.topbar-logo { display: flex; align-items: center; gap: 10px; transition: opacity var(--dur-normal); }
.topbar-logo:hover { opacity: .85; }
.topbar-logo img { height: 38px; transition: height var(--dur-slow) var(--ease-out); }
.topbar.scrolled .topbar-logo img { height: 34px; }
.topbar-logo-text { color: #fff; font-size: 22px; font-weight: 800; letter-spacing: 1px; }
.topbar-logo-text span { color: var(--accent); }

/* 桌面导航 - 隐藏移动端抽屉 */
@media (min-width: 992px) {
  .topbar-nav-wrap { display: none !important; }
}

/* 桌面导航 */
.topbar-nav-desk { display: flex; align-items: center; gap: 4px; }
.topbar-nav-desk a {
  color: rgba(255,255,255,.78); font-size: 14px; font-weight: 500;
  padding: 8px 18px; border-radius: var(--r-sm); transition: all var(--dur-normal) var(--ease-out);
  display: block; position: relative;
}
.topbar-nav-desk a::after {
  content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%) scaleX(0);
  width: 16px; height: 2px; background: var(--accent); border-radius: 1px;
  transition: transform var(--dur-normal) var(--ease-spring);
}
.topbar-nav-desk a:hover::after,
.topbar-nav-desk a.active::after { transform: translateX(-50%) scaleX(1); }
.topbar-nav-desk a:hover { color: #fff; background: rgba(255,255,255,.06); }
.topbar-nav-desk a.active { color: var(--accent); background: rgba(232,168,23,.1); }
.topbar-cta {
  background: linear-gradient(135deg,var(--accent),var(--accent2));
  color: var(--pri) !important; font-weight: 700 !important;
  padding: 10px 24px !important; border-radius: var(--r-full) !important;
  transition: all var(--dur-normal) var(--ease-out) !important;
  box-shadow: 0 2px 8px rgba(232,168,23,.15);
}
.topbar-cta:hover { transform: translateY(-2px); box-shadow: var(--shadow-accent); }
.topbar-cta:active { transform: translateY(0) scale(.97); }
/* 语言切换按钮 */
.lang-switch {
  color: rgba(255,255,255,.55) !important; font-size: 13px; font-weight: 600;
  padding: 8px 16px !important; border-radius: var(--r-full) !important;
  border: 1px solid rgba(255,255,255,.12);
  transition: all var(--dur-normal) var(--ease-out) !important;
  letter-spacing: .5px;
}
.lang-switch:hover {
  color: #fff !important; border-color: rgba(255,255,255,.3);
  background: rgba(255,255,255,.06) !important;
}
/* ===== 汉堡菜单按钮 ===== */
.topbar-toggle {
  display: none; background: none; border: none; cursor: pointer;
  width: 44px; height: 44px; position: relative; z-index: 1000;
  padding: 8px; border-radius: 12px;
  transition: background .25s;
}
.topbar-toggle:active { background: rgba(255,255,255,.06); }
.topbar-toggle span {
  display: block; width: 24px; height: 2.5px; background: #fff;
  margin: 5px auto; border-radius: 3px;
  transition: all .4s cubic-bezier(.68,-.55,.27,1.55);
  position: relative;
}
/* 汉堡 → X 动画 */
.topbar-toggle.active span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}
.topbar-toggle.active span:nth-child(2) {
  opacity: 0; transform: scaleX(0);
}
.topbar-toggle.active span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* ===== 移动端导航面板 ===== */
@media (max-width: 991px) {
  .topbar-inner { padding: 0 20px; }
  .topbar-toggle { display: flex; flex-direction: column; align-items: center; justify-content: center; }

  /* 遮罩层 */
  .topbar-nav-wrap {
    position: fixed; inset: 0; z-index: 999;
    pointer-events: none;
  }
  .topbar-nav-wrap::before {
    content: ''; position: absolute; inset: 0;
    background: rgba(10,14,26,.6);
    backdrop-filter: blur(4px);
    opacity: 0; transition: opacity .4s;
  }
  .topbar-nav-wrap.open { pointer-events: auto; }
  .topbar-nav-wrap.open::before { opacity: 1; }

  /* 抽屉面板 - 从右侧滑入 */
  .topbar-nav {
    position: absolute; top: 0; right: 0; bottom: 0;
    width: min(320px, 85vw);
    background: linear-gradient(180deg, #0a0e1a 0%, #111827 100%);
    display: flex; flex-direction: column;
    padding: 24px 28px 28px;
    transform: translateX(100%);
    transition: transform .45s cubic-bezier(.4,0,.2,1);
    overflow-y: auto;
    box-shadow: -8px 0 40px rgba(0,0,0,.5);
    border-left: 1px solid rgba(255,255,255,.06);
  }
  .topbar-nav-wrap.open .topbar-nav {
    transform: translateX(0);
  }

  /* ===== 面板头部 - Logo ===== */
  .topbar-nav::before {
    content: '';
    display: block; height: 76px; /* 顶部留白给 header */
    flex-shrink: 0;
  }
  .topbar-nav-logo {
    display: flex; align-items: center; gap: 10px;
    padding-bottom: 24px; margin-bottom: 20px;
    border-bottom: 1px solid rgba(255,255,255,.06);
  }
  .topbar-nav-logo img { height: 32px; }
  .topbar-nav-logo-text {
    color: #fff; font-size: 18px; font-weight: 800; letter-spacing: .5px;
  }
  .topbar-nav-logo-text em {
    font-style: normal; color: var(--accent);
  }

  /* ===== 导航项 ===== */
  .topbar-nav-item {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 16px; margin-bottom: 4px;
    border-radius: 12px;
    color: rgba(255,255,255,.7);
    font-size: 16px; font-weight: 500;
    transition: all .25s;
    position: relative;
  }
  .topbar-nav-item:hover, .topbar-nav-item.active {
    background: rgba(232,168,23,.08);
    color: var(--accent);
  }
  .topbar-nav-item.active::before {
    content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
    width: 3px; height: 20px; background: var(--accent); border-radius: 0 3px 3px 0;
  }
  /* 图标 */
  .topbar-nav-icon {
    width: 20px; height: 20px; display: flex; align-items: center; justify-content: center;
    font-size: 16px; flex-shrink: 0; opacity: .5;
  }
  .topbar-nav-item:hover .topbar-nav-icon,
  .topbar-nav-item.active .topbar-nav-icon { opacity: 1; }

  /* ===== CTA 按钮 ===== */
  .topbar-nav-cta {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    width: 100%; margin-top: auto;
    padding: 15px 24px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    color: var(--pri); font-weight: 700; font-size: 16px;
    border-radius: 14px;
    transition: all .3s;
    box-shadow: 0 4px 20px rgba(232,168,23,.25);
  }
  .topbar-nav-cta:active {
    transform: scale(.97);
    box-shadow: 0 2px 10px rgba(232,168,23,.15);
  }

  /* ===== 底部信息 ===== */
  .topbar-nav-info {
    text-align: center; padding-top: 20px; margin-top: 16px;
    border-top: 1px solid rgba(255,255,255,.06);
    font-size: 12px; color: rgba(255,255,255,.25);
    line-height: 1.8;
  }
  .topbar-nav-info .tel {
    font-size: 16px; font-weight: 700; color: rgba(255,255,255,.5);
    letter-spacing: .5px;
  }
}

/* ===== Hero 全屏 ===== */
.hero {
  position: relative; min-height: 100vh;
  background: var(--pri);
  display: flex; align-items: center; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 50%, rgba(37,99,235,.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 70%, rgba(232,168,23,.06) 0%, transparent 60%);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-inner {
  position: relative; width: 100%; max-width: 1320px; margin: 0 auto;
  padding: 120px 40px 60px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(37,99,235,.12); border: 1px solid rgba(59,130,246,.25);
  color: #93c5fd; padding: 6px 16px; border-radius: 50px;
  font-size: 13px; font-weight: 500; margin-bottom: 28px;
}
.hero-badge-dot { width: 6px; height: 6px; background: #3b82f6; border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }

.hero h1 {
  color: #fff; font-size: clamp(36px,5.5vw,62px); font-weight: 800;
  line-height: 1.1; margin: 0 0 20px; letter-spacing: -1px;
}
.hero h1 em { font-style: normal; background: linear-gradient(135deg,var(--accent),var(--accent2),var(--accent)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.hero p {
  color: rgba(255,255,255,.5); font-size: 17px; line-height: 1.75;
  max-width: 520px; margin: 0 0 36px;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary-hero {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg,var(--accent),var(--accent2));
  color: var(--pri); font-weight: 700; font-size: 15px;
  padding: 14px 30px; border-radius: var(--r-full); border: none; cursor: pointer;
  transition: all var(--dur-normal) var(--ease-out);
  box-shadow: 0 4px 14px rgba(232,168,23,.2);
  position: relative; overflow: hidden;
}
.btn-primary-hero::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,.2) 50%, transparent 60%);
  transform: translateX(-100%);
}
.btn-primary-hero:hover::after { transform: translateX(100%); transition: transform .6s; }
.btn-primary-hero:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent);
}
.btn-primary-hero:active { transform: translateY(0) scale(.97); }
.btn-outline-hero {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1.5px solid rgba(255,255,255,.25);
  color: #fff; font-weight: 600; font-size: 15px;
  padding: 14px 30px; border-radius: var(--r-full);
  background: transparent; cursor: pointer;
  transition: all var(--dur-normal) var(--ease-out);
  backdrop-filter: blur(0);
}
.btn-outline-hero:hover {
  border-color: #fff;
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(8px);
  transform: translateY(-2px);
}
.btn-outline-hero:active { transform: translateY(0); }

.hero-stats {
  display: flex; gap: 36px; margin-top: 48px; padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.hero-stats .stat .stat-num { font-size: 30px; font-weight: 800; color: var(--accent); margin: 0 0 4px; }
.hero-stats .stat p { font-size: 12px; color: rgba(255,255,255,.55); margin: 0; letter-spacing: .5px; }

.hero-right { position: relative; }
.hero-card {
  background: rgba(255,255,255,.03); backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,.08); border-radius: 24px;
  padding: 28px; position: relative; overflow: hidden;
}
.hero-card::before {
  content: ''; position: absolute; top: -50%; right: -50%;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(37,99,235,.1), transparent);
}
.hero-card-hd {
  display: flex; align-items: center; gap: 8px; margin-bottom: 20px;
}
.hero-card-hd span {
  width: 8px; height: 8px; background: var(--green); border-radius: 50%;
  animation: pulse 2s infinite;
}
.hero-card-hd small { color: rgba(255,255,255,.4); font-size: 12px; letter-spacing: 1px; text-transform: uppercase; }
.hero-route {
  display: flex; align-items: center; gap: 14px;
  padding: 14px; margin-bottom: 6px;
  background: rgba(255,255,255,.03); border-radius: 12px;
  transition: background .3s;
}
.hero-route:hover { background: rgba(255,255,255,.06); }
.hero-route .flag { font-size: 24px; flex-shrink: 0; }
.hero-route .info { flex: 1; }
.hero-route .info h4 { color: #fff; font-size: 14px; font-weight: 600; margin: 0 0 3px; }
.hero-route .info span { color: rgba(255,255,255,.55); font-size: 11px; }
.hero-route .tag {
  padding: 4px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; white-space: nowrap;
}
.tag-hot { background: rgba(239,68,68,.12); color: #f87171; }
.tag-new { background: rgba(37,99,235,.12); color: #60a5fa; }
.tag-rec { background: rgba(16,185,129,.12); color: #34d399; }

@media (max-width: 991px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; padding: 100px 24px 50px; }
}

/* ===== 通用区块 ===== */
.sec { padding: 100px 0; }
.sec-inner { max-width: 1320px; margin: 0 auto; padding: 0 40px; }

.sec-label {
  display: inline-block; background: #dbeafe; color: #1e40af;
  padding: 5px 16px; border-radius: 50px; font-size: 12px;
  font-weight: 600; letter-spacing: 1px; margin-bottom: 14px;
}

.sec-title {
  font-size: clamp(28px,4vw,42px); font-weight: 800;
  color: var(--pri); margin: 0 0 12px; letter-spacing: -1px;
}

.sec-sub {
  font-size: 17px; color: var(--text2); max-width: 600px;
  margin: 0 auto 56px; line-height: 1.7;
}

.text-center { text-align: center; }
.text-center .sec-sub { margin: 0 auto 56px; }

/* ===== 服务网格 ===== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.service-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 32px 22px; text-align: center;
  transition: all var(--dur-slow) var(--ease-out);
  position: relative; overflow: hidden; cursor: pointer;
}
.service-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(600px circle at var(--mouse-x,50%) var(--mouse-y,50%), rgba(37,99,235,.04), transparent 40%);
  opacity: 0; transition: opacity var(--dur-slow);
}
.service-card:hover::before { opacity: 1; }
.service-card::after {
  content: ''; position: absolute; bottom: 0; left: 20%; right: 20%; height: 3px;
  background: linear-gradient(90deg,var(--blue),var(--accent));
  border-radius: 3px; transform: translateY(10px); opacity: 0;
  transition: all var(--dur-slow) var(--ease-out);
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card:hover::after { transform: translateY(0); opacity: 1; }
.service-icon {
  width: 68px; height: 68px; border-radius: var(--r-lg);
  background: linear-gradient(135deg,var(--pri),var(--pri2));
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 18px; font-size: 30px;
  box-shadow: var(--shadow-md);
  transition: all var(--dur-slow) var(--ease-spring);
}
.service-card:hover .service-icon {
  transform: scale(1.1) rotate(-3deg);
  box-shadow: var(--shadow-accent);
  background: linear-gradient(135deg, var(--accent), var(--accent2));
}
.service-card h4 { font-size: 18px; font-weight: 700; color: var(--pri); margin: 0 0 6px; transition: color var(--dur-normal); }
.service-card:hover h4 { color: var(--accent); }
.service-card .sub { font-size: 12px; color: var(--text2); margin-bottom: 10px; display: block; }
.service-card .time {
  display: inline-block; background: var(--green-light); color: var(--green-dark);
  padding: 4px 12px; border-radius: var(--r-full); font-size: 11px; font-weight: 600;
  margin-bottom: 10px;
}
.service-card .desc { font-size: 13px; color: var(--text2); line-height: 1.6; }






/* ===== 优势区 ===== */
.bg-gray { background: var(--bg); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.why-card {
  position: relative;
  background: var(--white);
  border-radius: var(--r-lg);
  padding: 36px 24px 28px;
  transition: all var(--dur-normal) var(--ease-out);
  border: 1px solid var(--border);
  overflow: hidden;
}
.why-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  transition: height var(--dur-normal) var(--ease-out);
}
.why-card:nth-child(1)::before { background: linear-gradient(90deg, #2563eb, #3b82f6); }
.why-card:nth-child(2)::before { background: linear-gradient(90deg, #d97706, #f59e0b); }
.why-card:nth-child(3)::before { background: linear-gradient(90deg, #059669, #10b981); }
.why-card:nth-child(4)::before { background: linear-gradient(90deg, #7c3aed, #8b5cf6); }
.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.why-card:hover::before { height: 4px; }
.why-icon {
  width: 56px; height: 56px; border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px; font-size: 24px;
  transition: transform var(--dur-normal) var(--ease-spring);
  position: relative;
}
.why-card:hover .why-icon { transform: scale(1.08); }
.why-icon.c1 { background: #eff6ff; color: #2563eb; }
.why-icon.c2 { background: #fffbeb; color: #d97706; }
.why-icon.c3 { background: #ecfdf5; color: #059669; }
.why-icon.c4 { background: #f5f3ff; color: #7c3aed; }
.why-card h5 {
  font-size: 17px; font-weight: 700; color: var(--pri);
  margin: 0 0 8px; letter-spacing: -.01em;
}
.why-card p {
  font-size: 14px; color: var(--text2); line-height: 1.7; margin: 0;
}
/* 优势区响应式 */
@media (max-width: 900px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .why-card { padding: 24px 18px; }
  .why-icon { width: 44px; height: 44px; font-size: 20px; margin-bottom: 12px; }
  .why-card h5 { font-size: 15px; }
  .why-card p { font-size: 13px; }
}
@media (max-width: 480px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .why-card { padding: 18px 12px; border-radius: var(--r-md); }
  .why-icon { width: 36px; height: 36px; font-size: 16px; border-radius: 10px; margin-bottom: 10px; }
  .why-card h5 { font-size: 14px; margin-bottom: 4px; }
  .why-card p { font-size: 12px; line-height: 1.5; }
}



/* ===== 数据条 ===== */
.data-bar {
  background: linear-gradient(160deg,var(--pri),#111827);
  padding: 60px 0;
}
.data-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 20px;
  text-align: center;
}
.data-item .data-num {
  font-size: 46px; font-weight: 800; color: var(--accent);
  margin: 0 0 6px; line-height: 1;
}
.data-item p { font-size: 14px; color: rgba(255,255,255,.5); margin: 0; letter-spacing: .5px; }
@media (max-width: 767px) { .data-grid { grid-template-columns: repeat(2,1fr); gap: 30px; } }

/* ===== 追踪区 ===== */
.track-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
}
.track-check { margin-top: 24px; }
.track-check p { margin: 0 0 10px; font-size: 14px; color: var(--text2); }
.track-check i { color: var(--green); margin-right: 6px; }

.track-box {
  background: #fff; border: 1px solid var(--border); border-radius: 24px;
  padding: 36px; box-shadow: 0 4px 24px rgba(10,14,26,.04);
}
.track-box h5 { font-weight: 700; color: var(--pri); margin: 0 0 16px; font-size: 18px; }
.track-row { display: flex; gap: 12px; }
.track-input {
  flex: 1; height: 56px; border: 2px solid var(--border); border-radius: var(--r-md);
  padding: 0 18px; font-size: 15px; font-family: var(--font);
  transition: all var(--dur-normal) var(--ease-out); outline: none; background: var(--bg);
}
.track-input:hover { border-color: #cbd5e1; }
.track-input:focus { border-color: var(--blue); background: var(--white); box-shadow: 0 0 0 4px rgba(37,99,235,.08); }
.track-btn {
  height: 56px; padding: 0 28px;
  background: linear-gradient(135deg,var(--blue),#1d4ed8);
  color: #fff; border: none; border-radius: var(--r-md);
  font-size: 15px; font-weight: 600; font-family: var(--font);
  cursor: pointer; transition: all var(--dur-normal) var(--ease-out);
  box-shadow: 0 4px 12px rgba(37,99,235,.15);
}
.track-btn:hover { box-shadow: var(--shadow-blue); transform: translateY(-2px); }
.track-btn:active { transform: translateY(0) scale(.97); }
.track-hint { margin-top: 12px; font-size: 12px; color: var(--text2); }
.track-hint code { background: #e5e7eb; padding: 2px 6px; border-radius: 4px; font-size: 11px; }

@media (max-width: 991px) { .track-wrap { grid-template-columns: 1fr; gap: 30px; } }

/* ===== 关于预览 ===== */
.about-row {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 60px; align-items: center;
}
.about-img-wrap {
  position: relative; border-radius: 24px; overflow: hidden;
}
.about-img-wrap img { width: 100%; height: 420px; object-fit: cover; border-radius: 24px; }
.about-float {
  position: absolute; bottom: 24px; right: 24px;
  background: linear-gradient(135deg,var(--accent),var(--accent2));
  color: var(--pri); padding: 18px 24px; border-radius: 18px;
  font-weight: 700; text-align: center;
  box-shadow: 0 8px 24px rgba(232,168,23,.3);
}
.about-float .n { font-size: 36px; font-weight: 800; display: block; line-height: 1; }
.about-float .l { font-size: 11px; opacity: .7; margin-top: 3px; }

.about-list { list-style: none; padding: 0; margin: 20px 0; }
.about-list li {
  padding: 8px 0 8px 24px; position: relative;
  font-size: 14px; color: var(--text);
}
.about-list li::before {
  content: ''; position: absolute; left: 0; top: 14px;
  width: 8px; height: 8px; background: var(--accent); border-radius: 50%;
}

@media (max-width: 991px) { .about-row { grid-template-columns: 1fr; gap: 30px; } }

/* ===== 新闻 ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--r-lg);
  overflow: hidden; transition: all var(--dur-normal) var(--ease-out);
  box-shadow: var(--shadow-xs);
}
.news-card:hover {
  box-shadow: var(--shadow-md); transform: translateY(-6px);
  border-color: transparent;
}
.news-card img { width: 100%; height: 200px; object-fit: cover; transition: transform var(--dur-slow) var(--ease-out); }
.news-card:hover img { transform: scale(1.04); }
.news-card-body { padding: 20px; }
.news-card-body .date { font-size: 12px; color: var(--text3); }
.news-card-body h5 { font-size: 16px; font-weight: 700; margin: 8px 0; line-height: 1.5; }
.news-card-body h5 a { color: var(--pri); transition: color var(--dur-fast); }
.news-card-body h5 a:hover { color: var(--blue); }
.news-card-body p { font-size: 13px; color: var(--text2); line-height: 1.6; margin: 0; }

@media (max-width: 991px) { .news-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px) { .news-grid { grid-template-columns: 1fr; } }

/* ===== CTA ===== */
.cta {
  background: linear-gradient(135deg,#e8a817,#f59e0b,#d4950f);
  padding: 76px 0; text-align: center; position: relative; overflow: hidden;
}
.cta::before {
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(45deg,transparent,transparent 8px,rgba(255,255,255,.03) 8px,rgba(255,255,255,.03) 16px);
}
.cta-inner { position: relative; }
.cta h2 { font-size: clamp(28px,4vw,38px); font-weight: 800; color: var(--pri); margin: 0 0 10px; }
.cta p { font-size: 17px; color: rgba(10,14,26,.6); margin: 0 0 28px; }
.cta-btns { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.cta-btn-dark {
  background: var(--pri); color: #fff; font-weight: 700; font-size: 15px;
  padding: 14px 32px; border-radius: var(--r-full); border: none; cursor: pointer;
  transition: all var(--dur-normal) var(--ease-out);
  display: inline-flex; align-items: center; gap: 8px;
  box-shadow: 0 4px 12px rgba(10,14,26,.1);
}
.cta-btn-dark:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.cta-btn-dark:active { transform: translateY(0) scale(.97); }
.cta-btn-outline {
  border: 2px solid var(--pri); color: var(--pri); font-weight: 700; font-size: 15px;
  padding: 14px 32px; border-radius: var(--r-full); background: transparent;
  cursor: pointer; transition: all var(--dur-normal) var(--ease-out);
  display: inline-flex; align-items: center; gap: 8px;
}
.cta-btn-outline:hover { background: var(--pri); color: #fff; transform: translateY(-2px); }
.cta-btn-outline:active { transform: translateY(0) scale(.97); }

/* ===== 页脚 ===== */
.footer {
  background: var(--pri); color: rgba(255,255,255,.6);
  padding: 70px 0 0; position: relative; z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
  gap: 40px;
}
.footer-brand { font-size: 22px; font-weight: 800; color: #fff; margin: 0 0 12px; }
.footer-about { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,.45); margin: 0 0 16px; }
.footer-qr { display: flex; align-items: center; gap: 14px; }
.footer-qr img { width: 80px; border-radius: 8px; border: 1px solid rgba(255,255,255,.08); }
.footer-qr small { font-size: 12px; color: rgba(255,255,255,.25); line-height: 1.5; }

.footer-col h4 {
  font-size: 15px; font-weight: 700; color: #fff;
  margin: 0 0 20px; padding-bottom: 10px;
  position: relative;
}
.footer-col h4::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 24px; height: 3px; background: var(--accent); border-radius: 2px;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(255,255,255,.45); font-size: 14px; transition: all .25s; display: inline-block; }
.footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }

.footer-contact-item { display: flex; gap: 10px; margin-bottom: 14px; font-size: 14px; align-items: flex-start; }
.footer-contact-item i { color: var(--accent); margin-top: 3px; flex-shrink: 0; width: 16px; text-align: center; }

.footer-bottom { margin-top: 40px; display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; font-size: 13px; opacity: .45; padding: 24px 0 12px; }
/* 桌面上 .footer-nav-row 透传，不破坏 grid */
.footer-nav-row { display: contents; }
}

/* ----- 页脚 - 平板 ===== */
@media (min-width: 601px) and (max-width: 992px) {
  .footer { padding: 60px 0 0; }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px 40px;
  }
  .footer-brand-col { grid-column: 1 / -1; }
  .footer-contact-col { grid-column: 1 / -1; margin-top: 8px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.06); }
}

/* ----- 页脚 - 手机 ===== */
@media (max-width: 600px) {
  .footer { padding: 52px 0 72px; }
  /* 品牌全宽，导航和专线一行两列，联系全宽 */
  .footer-grid {
    display: flex; flex-direction: column; gap: 28px;
  }
  /* 品牌 */
  .footer-brand-col {
    text-align: center; padding-bottom: 28px; margin-bottom: 8px;
    border-bottom: 1px solid rgba(255,255,255,.06);
  }
  .footer-brand { font-size: 24px; margin: 0 0 6px; letter-spacing: 1px; }
  .footer-about { font-size: 13px; line-height: 1.7; opacity: .45; margin: 0 auto 20px; }
  .footer-qr { flex-direction: column; align-items: center; gap: 8px; }
  .footer-qr img { width: 100px; border-radius: 12px; border-color: rgba(255,255,255,.12); }
  .footer-qr small { font-size: 11px; opacity: .35; }

  /* 快速导航 + 专线服务 一行两列 */
  .footer-nav-row {
    display: flex; gap: 24px;
  }
  .footer-nav-row .footer-col {
    flex: 1; min-width: 0;
  }
  .footer-col h4 {
    font-size: 14px; letter-spacing: 1px; margin: 0 0 12px;
    padding-bottom: 8px; opacity: .55;
  }
  .footer-col ul li { margin-bottom: 8px; }
  .footer-col ul li a { font-size: 13px; opacity: .4; transition: opacity .25s; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .footer-col ul li a:hover { opacity: .9; color: var(--accent); padding-left: 0; }

  /* 联系 */
  .footer-contact-col {
    margin-top: 0; padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,.06);
  }
  .footer-contact-col h4 { margin: 0 0 14px; }
  .footer-contact-item { font-size: 13px; margin-bottom: 10px; opacity: .5; }

  /* 版权 */
  .footer-bottom { margin-top: 28px; flex-direction: column; text-align: center; font-size: 12px; opacity: .25; padding: 18px 0; gap: 6px; }
}

/* === 表单样式 === */
.message-form .form-group{margin-bottom:16px}
.message-form label{display:block;font-size:14px;font-weight:600;color:var(--pri);margin-bottom:6px}
.message-form input[type="text"],
.message-form input[type="email"],
.message-form input[type="tel"],
.message-form textarea{
  width:100%;padding:14px 18px;border:2px solid var(--border);border-radius:var(--r-md);
  font-size:15px;font-family:inherit;transition:all var(--dur-normal) var(--ease-out);
  outline:none;background:var(--white);
}
.message-form input:hover,.message-form textarea:hover{border-color:#cbd5e1}
.message-form input:focus,.message-form textarea:focus{
  border-color:var(--blue);box-shadow:0 0 0 4px rgba(37,99,235,.08);
  background:var(--white);
}
.message-form textarea{min-height:130px;resize:vertical}
.message-form button[type="submit"]{
  background:linear-gradient(135deg,var(--accent),var(--accent2));color:var(--pri);
  border:none;border-radius:var(--r-full);padding:15px 48px;font-size:16px;
  font-weight:700;cursor:pointer;transition:all var(--dur-normal) var(--ease-out);
  box-shadow:0 4px 16px rgba(232,168,23,.2);
}
.message-form button[type="submit"]:hover{
  box-shadow:var(--shadow-accent);transform:translateY(-3px);
}
.message-form button[type="submit"]:active{transform:translateY(0) scale(.97)}
.message-form .verification{display:flex;gap:12px;align-items:center}
.message-form .verification img{height:40px;border-radius:8px}

/* === 页面内容区 === */
.page-content{padding:60px 0}
.page-content .sec-inner{max-width:860px}
.page-content h2{font-size:28px;font-weight:800;color:var(--pri);margin-bottom:24px}
.page-content h3{font-size:22px;font-weight:700;color:var(--pri);margin:28px 0 14px}
.page-content p{margin-bottom:14px;font-size:15px;line-height:1.9;color:#1e293b}
.page-content img{border-radius:12px;margin:16px 0}
.page-content table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}
.page-content table th{background:#f1f5f9;font-weight:700;text-align:left}
.page-content table td,.page-content table th{padding:10px 14px;border:1px solid #e2e8f0}
.page-content ul,.page-content ol{list-style:auto;margin:14px 0;padding-left:24px}
.page-content ul li,.page-content ol li{margin-bottom:8px;font-size:15px;line-height:1.8;color:#1e293b}

/* === 文章翻页 === */
.article-pagination{display:flex;align-items:center;justify-content:center;gap:6px;flex-wrap:wrap}
.article-pagination a,.article-pagination span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:40px;height:40px;padding:0 14px;
  border-radius:10px;font-size:14px;font-weight:600;
  transition:all .25s;
  border:1.5px solid #e2e8f0;color:#64748b;background:#fff;
}
.article-pagination a:hover{background:#2563eb;border-color:#2563eb;color:#fff}
.article-pagination span.current{background:#2563eb;border-color:#2563eb;color:#fff}
.article-pagination span.more{border:none;background:transparent;color:#94a3b8;min-width:auto;padding:0 4px}

/* ===== 动画 ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.anim-up { animation: fadeUp .6s ease-out both; }
.delay-1 { animation-delay: .1s; }
.delay-2 { animation-delay: .2s; }
.delay-3 { animation-delay: .3s; }
.delay-4 { animation-delay: .4s; }

/* ===== 📱 移动端全面适配 ===== */
/* ===== 📱 平板 (≤991px) ===== */
@media (max-width: 991px) {
  .sec { padding: 56px 0; }
  .sec-inner { padding: 0 24px; }
  .sec-title { font-size: 24px; }
  .sec-sub { font-size: 14px; line-height: 1.7; }
  /* Hero */
  .hero { padding: 120px 0 70px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 34px; }
  .hero h1 em { font-size: 34px; }
  .hero-desc { font-size: 15px; }
  .hero-stats { gap: 24px; justify-content: center; flex-wrap: wrap; }
  .hero-stats .stat .stat-num { font-size: 28px; }
  .hero-right { max-width: 500px; margin: 0 auto; }
  /* Nav */
  .topbar-nav { gap: 0; }
  .topbar-nav a { padding: 10px 14px; font-size: 13px; }
  /* CTA */
  .cta { padding: 48px 24px; }
  .cta h2 { font-size: 24px; }
  .cta p { font-size: 14px; }
  .cta-btns { flex-direction: column; align-items: center; }
  /* About */
  .about-img-wrap { height: 280px; }
  /* Service cards to 3-col */
  .service-grid { grid-template-columns: repeat(3,1fr); gap: 16px; }
  .service-card { padding: 24px 16px; }
}
/* ===== 📱 手机 (≤767px) ===== */
@media (max-width: 767px) {
  .sec { padding: 48px 0; }
  .sec-inner { padding: 0 18px; }
  .sec-title { font-size: 22px; margin-bottom: 8px; }
  .sec-sub { font-size: 13px; }
  /* Hero - 精简设计 */
  .hero { padding: 120px 0 56px; text-align: center; }
  .hero-inner { gap: 28px; }
  .hero h1 { font-size: 28px; line-height: 1.3; }
  .hero h1 em { font-size: 28px; }
  .hero-desc { font-size: 14px; line-height: 1.75; }
  .hero-badge { font-size: 11px; padding: 3px 10px; }
  .hero-btns { flex-direction: column; gap: 10px; }
  .hero-btns a { width: 100%; justify-content: center; padding: 14px 20px; font-size: 14px; }
  .hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .hero-stats .stat { text-align: center; padding: 12px 8px; background: rgba(255,255,255,.04); border-radius: 12px; }
  .hero-stats .stat .stat-num { font-size: 24px; }
  .hero-stats .stat p { font-size: 11px; }
  .hero-right { display: none; }
  /* Service - 2列卡片 */
  .service-grid { grid-template-columns: repeat(2,1fr); gap: 12px; }
  .service-card { padding: 20px 14px; }
  .service-card .service-icon { width: 48px; height: 48px; font-size: 22px; border-radius: 14px; }
  .service-card h4 { font-size: 14px; }
  .service-card .desc { font-size: 12px; -webkit-line-clamp: 2; }
  /* Data bar */
  .data-grid { grid-template-columns: repeat(2,1fr); gap: 24px; }
  .data-item .data-num { font-size: 32px; }
  .data-item p { font-size: 12px; }
  /* Track */
  .track-box { padding: 20px 18px; }
  .track-box h5 { font-size: 15px; }
  .track-row { flex-direction: column; gap: 10px; }
  .track-input { width: 100%; padding: 14px; }
  .track-btn { width: 100%; padding: 14px; }
  /* About */
  .about-img-wrap { height: 240px; border-radius: 18px; }
  .about-float { right: 12px; bottom: 12px; padding: 10px 14px; }
  .about-float .n { font-size: 24px; }
  .about-float .l { font-size: 11px; }
  /* News */
  .news-grid { grid-template-columns: 1fr; gap: 16px; }
  .news-card img { height: 180px; }
  .news-card h5 { font-size: 15px; }
  /* Pages */
  .page-content { padding: 36px 0; }
  .page-content .sec-inner { max-width: 100%; padding: 0 16px; }
  .page-content h2 { font-size: 22px; }
  .page-content h3 { font-size: 18px; }
  .page-content p { font-size: 14px; }
  .nav-hero { padding: 120px 0 36px; }
  .nav-hero h1 { font-size: 22px; }
  .timeline-item { padding-left: 36px; }
}
/* ===== 📱 小手机 (≤480px) ===== */
@media (max-width: 480px) {
  .sec { padding: 40px 0; }
  .sec-inner { padding: 0 14px; }
  .sec-title { font-size: 20px; }
  /* Hero */
  .hero { padding: 110px 0 48px; }
  .hero h1 { font-size: 24px; }
  .hero h1 em { font-size: 24px; }
  .hero-desc { font-size: 13px; line-height: 1.7; }
  .hero-badge { font-size: 10px; }
  .hero-btns a { padding: 12px 16px; font-size: 13px; }
  .hero-stats .stat .stat-num { font-size: 22px; }
  /* Service - 2列保持 */
  .service-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .service-card { padding: 16px 10px; }
  .service-card .service-icon { width: 40px; height: 40px; font-size: 20px; border-radius: 12px; }
  .service-card h4 { font-size: 13px; }
  .service-card .desc { font-size: 11px; }

  /* Data */
  .data-grid { gap: 20px; }
  .data-item .data-num { font-size: 28px; }
  /* About */
  .about-img-wrap { height: 200px; }
  .about-float .n { font-size: 20px; }
  .about-list li { font-size: 13px; }
  /* News */
  .news-card img { height: 160px; }
  /* CTA */
  .cta h2 { font-size: 20px; }
  .cta p { font-size: 13px; }
  .cta-btns a { width: 100%; justify-content: center; }
  /* Pages */
  .page-content { padding: 28px 0; }
  .page-content h2 { font-size: 20px; }
  .page-content h3 { font-size: 16px; }
  .page-content p { font-size: 13px; }
  .nav-hero { padding: 100px 0 28px; }
  .nav-hero h1 { font-size: 20px; }
  .message-form button[type="submit"] { width: 100%; }
}

/* ================================
   高级工程师移动端重构 (v4)
   用属性选择器攻克 inline style
   ================================ */

/* --- 通用触摸优化 --- */
@media (hover:none) and (pointer:coarse) {
  button, .topbar-nav a, .btn-primary-hero, .btn-outline-hero,
  .cta-btn-dark, .cta-btn-outline, .track-btn,
  .message-form button {
    min-height: 44px; min-width: 44px;
  }
}

/* --- 子页面 inline padding 全局覆盖 --- */
@media (max-width: 767px) {
  [style*="padding:120px 0 80px"],
  [style*="padding:120px 0 60px"],
  [style*="padding:140px 0"],
  [style*="padding:120px 0 70px"] { padding: calc(var(--topbar-h) + 32px) 0 40px !important; }
  [style*="font-size:clamp(32px"] { font-size: clamp(24px,6vw,28px) !important; }
  [style*="font-size:clamp(36px"] { font-size: clamp(22px,5vw,26px) !important; }
  [style*="max-width:800px"],
  [style*="max-width:820px"],
  [style*="max-width:980px"] { max-width: 100% !important; padding-left: 16px !important; padding-right: 16px !important; }
  [style*="padding:72px 0"],
  [style*="padding:56px 40px"] { padding: 40px 20px !important; }
  [style*="padding:48px"] { padding: 28px !important; }
}

/* --- 首页 Hero --- */
@media (max-width: 767px) {
  .hero-inner { gap: 28px; padding-left: 18px; padding-right: 18px; }
  .hero h1, .hero h1 em { font-size: 28px; line-height: 1.2; }
  .hero-desc { font-size: 14px; line-height: 1.7; padding: 0 4px; }
  .hero-btns { flex-direction: column; }
  .hero-btns a { 
    width: 100%; justify-content: center; 
    padding: 15px 20px; font-size: 15px; border-radius: 14px;
  }
  .hero-stats {
    display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
  }
  .hero-stats .stat {
    text-align: center; padding: 14px 8px;
    background: rgba(255,255,255,.05); border-radius: 14px;
  }
  .hero-stats .stat .stat-num { font-size: 24px; letter-spacing: -1px; }
  .hero-stats .stat p { font-size: 11px; }
  .hero-right { display: none; }
}

/* --- 首页服务卡片 --- */
@media (max-width: 767px) {
  .service-grid { grid-template-columns: repeat(2,1fr); gap: 12px; }
  .service-card { padding: 20px 14px; border-radius: 16px; }
  .service-card .service-icon { width: 46px; height: 46px; font-size: 22px; border-radius: 14px; }
  .service-card h4 { font-size: 14px; margin: 10px 0 6px; }
  .service-card .desc { font-size: 12px; line-height: 1.5; }
}
@media (max-width: 480px) {
  .service-grid { gap: 10px; }
  .service-card { padding: 16px 10px; }
  .service-card .service-icon { width: 40px; height: 40px; font-size: 18px; }
  .service-card h4 { font-size: 13px; }
  .service-card .desc { font-size: 11px; }
}



/* --- 数据条 --- */
@media (max-width: 767px) {
  .data-grid { grid-template-columns: repeat(2,1fr); gap: 20px; }
  .data-item .data-num { font-size: 30px; }
  .data-item p { font-size: 12px; }
}

/* --- 关于我们 --- */
@media (max-width: 767px) {
  .about-row { gap: 24px; }
  .about-img-wrap { height: 220px; border-radius: 18px; }
  .about-float { right: 12px; bottom: 12px; padding: 8px 14px; border-radius: 12px; }
  .about-float .n { font-size: 22px; }
}

/* --- 新闻卡片 --- */
@media (max-width: 767px) {
  .news-grid { grid-template-columns: 1fr; gap: 16px; }
  .news-card { border-radius: 16px; overflow: hidden; }
  .news-card img { height: 180px; }
  .news-card h5 { font-size: 15px; }
}
@media (max-width: 480px) {
  .news-card img { height: 160px; }
}

/* --- CTA --- */
@media (max-width: 767px) {
  .cta { padding: 44px 20px; }
  .cta h2 { font-size: 22px; }
  .cta p { font-size: 14px; margin-bottom: 24px; }
  .cta-btns { flex-direction: column; gap: 12px; }
  .cta-btns a { width: 100%; justify-content: center; }
}

/* --- 追踪区 --- */
@media (max-width: 767px) {
  .track-wrap { gap: 24px; }
  .track-box { padding: 20px 18px; border-radius: 16px; }
  .track-row { flex-direction: column; }
  .track-input { padding: 15px; font-size: 15px; }
  .track-btn { padding: 15px 20px; font-size: 15px; }
  .track-check p { font-size: 13px; }
}

/* --- Footer: 已在上方完整重写 --- */

/* --- 全局间距 --- */
@media (max-width: 767px) {
  .sec { padding: 48px 0; }
  .sec-inner { padding: 0 18px; }
  .sec-title { font-size: 22px; margin-bottom: 8px; }
  .sec-sub { font-size: 13px; padding: 0 4px; }
  .sec-label { font-size: 12px; padding: 3px 10px; }
}
@media (max-width: 480px) {
  .sec { padding: 40px 0; }
  .sec-inner { padding: 0 14px; }
  .sec-title { font-size: 20px; }
}


/* 图片加载回退 */

/* 图片容器缺图回退背景 */
.news-card-img-wrap,.flag-visual{background:linear-gradient(135deg,var(--pri),var(--pri2))}

.about-img-fallback{height:420px;background:linear-gradient(135deg,#0a0e1a,#111827);border-radius:24px;display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:60px}
@media(max-width:767px){.about-img-fallback{height:240px;font-size:40px}}


/* === 交互状态补全 === */
.sec-label:hover{background:var(--blue);color:#fff;transition:all var(--dur-normal) var(--ease-out)}
.footer-contact-item a:hover{color:var(--accent)!important;transition:color var(--dur-fast)}
.footer-bottom a{transition:color var(--dur-fast)}
.footer-bottom a:hover{color:var(--accent)}
.data-item{cursor:default;transition:transform var(--dur-normal) var(--ease-out)}
.data-item:hover{transform:translateY(-4px)}
.about-list li{transition:all var(--dur-normal)}
.about-list li:hover{padding-left:28px;color:var(--accent)}
/* 移动端底部固定CTA栏 */
.mobile-bar {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 999;
  background: rgba(10,14,26,.96); backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 10px 16px; gap: 10px;
  justify-content: center; align-items: center;
}
.mobile-bar a {
  flex: 1; text-align: center; padding: 12px 8px; border-radius: var(--r-md);
  font-size: 14px; font-weight: 600; color: #fff; text-decoration: none;
  background: rgba(255,255,255,.08);
  transition: all var(--dur-normal) var(--ease-out);
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
}
.mobile-bar a.accent {
  background: var(--accent); color: var(--pri); font-weight: 700;
}
.mobile-bar a:active{transform:scale(.95)}
@media (max-width: 992px) {
  .mobile-bar { display: flex; }
  .footer { padding-bottom: 72px; }
}
.track-input:disabled{opacity:.5;cursor:not-allowed;background:var(--bg2)}


/* === 提取的内联样式 === */
.track-desc{color:var(--text2);font-size:16px;line-height:1.8}
.about-desc{color:var(--text2);font-size:15px;line-height:1.9}
.btn-outline-blue{color:var(--blue);border-color:var(--blue)}
.btn-outline-blue:hover{background:var(--blue);color:#fff;border-color:var(--blue)}


/* === 页面通用组件 === */
/* 页面Hero（深色背景） */
.page-hero-dark{background:var(--pri);padding:140px 0 60px;position:relative;overflow:hidden}
.page-hero-dark .glow-dot-bg{position:absolute;inset:0;opacity:.3}
.page-hero-dark .glow-right{position:absolute;top:-200px;right:-100px;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(37,99,235,.15),transparent 70%)}
/* 深色CTA区块 */
.cta-dark-section{background:linear-gradient(135deg,var(--pri),var(--pri2));padding:72px 0;position:relative;overflow:hidden}
/* 图标色系快捷类 */
.icon-blue{background:var(--blue-light);color:var(--blue)}
.icon-green{background:var(--green-light);color:var(--green-dark)}
.icon-amber{background:var(--accent-light);color:var(--amber-600)}
.icon-purple{background:var(--purple-light);color:#5b21b6}
/* 产品旗标卡片 */
.flag-card{background:var(--white);border-radius:var(--r-lg);overflow:hidden;transition:all var(--dur-slow) var(--ease-out);box-shadow:var(--shadow-xs);display:block;text-decoration:none}
.flag-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.flag-visual{height:200px;background:linear-gradient(135deg,var(--pri),var(--pri2));display:flex;align-items:center;justify-content:center;font-size:64px;position:relative;overflow:hidden}
.flag-visual::after{content:'';position:absolute;top:-40px;right:-40px;width:120px;height:120px;background:rgba(232,168,23,.08);border-radius:50%;transition:all var(--dur-slow)}
.flag-card:hover .flag-visual::after{transform:scale(2)}
.dot{position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.04) 1px,transparent 1px);background-size:20px 20px}
.glow{position:absolute;top:-40px;right:-40px;width:140px;height:140px;border-radius:50%;background:radial-gradient(circle,rgba(232,168,23,.15),transparent 70%)}
.flag-body{padding:24px}
.flag-body h3{font-size:18px;font-weight:700;color:var(--pri);margin:0 0 8px}
.flag-body .desc{font-size:13px;color:var(--text2);line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.flag-features{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0}
.flag-features span{padding:4px 12px;border-radius:var(--r-full);font-size:11px;font-weight:600}
.feature-blue{background:var(--blue-light);color:var(--blue-800)}
.feature-green{background:var(--green-light);color:var(--green-dark)}
.feature-amber{background:var(--accent-light);color:var(--amber-600)}
.feature-purple{background:var(--purple-light);color:#5b21b6}
.flag-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--blue);padding:8px 0;transition:gap var(--dur-normal)}
.flag-link:hover{gap:12px}
/* 信任条 */
.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:72px}
.trust-item{text-align:center;padding:28px 16px;background:var(--white);border-right:1px solid var(--border-light)}
.trust-item:last-child{border-right:none}
.trust-icon{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 12px;font-size:24px}
.trust-val{font-size:28px;font-weight:800;color:var(--pri);display:block;line-height:1.2}
.trust-label{font-size:12px;color:var(--text3);margin-top:4px}
/* 时间轴 */
.timeline-wrap{position:relative;max-width:800px;margin:0 auto;padding:24px 0}
.timeline-wrap::before{content:'';position:absolute;left:50%;top:0;bottom:0;width:2px;background:linear-gradient(to bottom,var(--accent),var(--blue));transform:translateX(-50%)}
.timeline-item{display:flex;align-items:flex-start;margin-bottom:40px}
.timeline-item:nth-child(odd){flex-direction:row}
.timeline-item:nth-child(even){flex-direction:row-reverse}
.timeline-content{flex:1;padding:0 40px}
.timeline-item:nth-child(odd) .timeline-content{text-align:right}
.timeline-item:nth-child(even) .timeline-content{text-align:left}
.timeline-dot{width:14px;height:14px;border-radius:50%;border:3px solid var(--white);box-shadow:var(--shadow-md);flex-shrink:0;position:relative;z-index:1;margin-top:4px}
.timeline-year{font-size:22px;font-weight:800;margin:0 0 4px}
.timeline-content h3{font-size:16px;font-weight:700;color:var(--pri);margin:0 0 6px}
.timeline-content p{font-size:14px;color:var(--text2);line-height:1.7;margin:0}
/* 文化/价值观卡片 */
.culture-card{border-radius:var(--r-lg);padding:32px 24px;text-align:center;color:var(--white);transition:all var(--dur-normal) var(--ease-out)}
.culture-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.culture-card .culture-icon{font-size:36px;margin-bottom:14px;display:block}
.culture-card h3{font-size:20px;font-weight:700;margin:0 0 10px}
.culture-card p{font-size:14px;opacity:.85;line-height:1.7;margin:0}
.culture-card--mission{background:linear-gradient(160deg,var(--blue),var(--blue-700))}
.culture-card--vision{background:linear-gradient(160deg,var(--accent),var(--amber-600))}
.culture-card--values{background:linear-gradient(160deg,var(--green),#059669)}
/* 响应式统一样式 */
@media(max-width:991px){
  .page-hero-dark{padding:110px 0 48px}
  .trust-strip{grid-template-columns:repeat(2,1fr);margin-top:48px}
  .trust-item:nth-child(2){border-right:none}
  .timeline-wrap::before{left:20px}
  .timeline-item,.timeline-item:nth-child(odd),.timeline-item:nth-child(even){flex-direction:row}
  .timeline-item:nth-child(odd) .timeline-content{text-align:left}
  .timeline-content{padding:0 0 0 36px}
}
@media(max-width:767px){
  .page-hero-dark{padding:100px 0 40px}
  .trust-strip{grid-template-columns:1fr 1fr;gap:0}
  .cta-dark-section{padding:48px 0}
  .culture-card{padding:24px 18px}
}
@media(max-width:480px){
  .trust-strip{grid-template-columns:1fr}
  .trust-item{border-right:none;border-bottom:1px solid var(--border-light)}
  .trust-item:last-child{border-bottom:none}
}


/* ===== 物流追踪页面 ===== */
.track-page{background:var(--track-bg)}.track-container{max-width:1200px;margin:0 auto;padding:0 24px}
.track-hero-wrap{position:relative;overflow:hidden;padding:64px 0 80px;margin-bottom:32px}
.track-hero-bg{position:absolute;inset:0;background:linear-gradient(135deg,var(--track-hero-1) 0%,var(--track-hero-2) 40%,var(--track-hero-3) 100%)}
.track-hero-bg::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 18% 30%,rgba(59,130,246,.15) 0%,transparent 50%),radial-gradient(circle at 80% 70%,rgba(139,92,246,.1) 0%,transparent 50%),linear-gradient(118deg,rgba(148,163,184,.06) 1px,transparent 1px),linear-gradient(26deg,rgba(148,163,184,.04) 1px,transparent 1px);background-size:auto,auto,180px 160px,240px 200px}
.track-hero-overlay{position:absolute;inset:0;background:rgba(11,27,56,.45)}
.track-hero-inner{position:relative;z-index:1;text-align:center;max-width:720px;margin:0 auto;padding:0 20px}
.track-hero-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 16px;border-radius:999px;background:rgba(59,130,246,.15);color:var(--blue-300);font-size:12px;font-weight:600;letter-spacing:.06em;margin-bottom:20px;border:1px solid rgba(148,163,184,.2)}
.track-hero-title{font-size:42px;font-weight:800;color:var(--white);margin:0 0 14px;line-height:1.2;letter-spacing:-.02em}
.track-hero-desc{font-size:16px;color:var(--text3);line-height:1.7;margin:0 0 32px}
.track-search{max-width:640px;margin:0 auto}
.track-search-box{display:flex;align-items:center;gap:0;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:14px;padding:6px;backdrop-filter:blur(10px);transition:border-color .25s ease,box-shadow .25s ease}
.track-search-box:focus-within{border-color:rgba(96,165,250,.5);box-shadow:0 0 0 4px rgba(59,130,246,.15),0 8px 32px rgba(0,0,0,.2)}
.track-search-icon{width:46px;height:46px;display:flex;align-items:center;justify-content:center;color:var(--blue-300);font-size:18px;flex-shrink:0}
.track-search-box input{flex:1;border:none;background:transparent;height:46px;font-size:16px;color:var(--white);outline:none;min-width:0;padding:0 8px}
.track-search-box input::placeholder{color:var(--text2)}
.track-search-box button{height:46px;padding:0 28px;border:none;border-radius:10px;background:linear-gradient(135deg,var(--blue-500),var(--blue));color:var(--white);font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;box-shadow:0 4px 14px rgba(37,99,235,.35);transition:transform .18s ease,box-shadow .18s ease}
.track-search-box button:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(37,99,235,.45)}
.track-search-box button:disabled{opacity:.7;cursor:not-allowed;transform:none}
.track-hero-hint{margin-top:16px;font-size:12px;color:var(--text2);display:flex;align-items:center;justify-content:center;gap:6px;flex-wrap:wrap}
.track-loading{text-align:center;padding:48px 0}
.track-loading-pulse{display:flex;gap:8px;justify-content:center;margin-bottom:16px}
.track-loading-pulse span{width:10px;height:10px;border-radius:50%;background:var(--blue-500);animation:trackPulse 1.2s ease-in-out infinite}
.track-loading-pulse span:nth-child(2){animation-delay:.2s}.track-loading-pulse span:nth-child(3){animation-delay:.4s}
@keyframes trackPulse{0%,80%,100%{transform:scale(.6);opacity:.4}40%{transform:scale(1);opacity:1}}
.track-loading p{color:var(--text2);font-size:14px;margin:0}
.track-result{margin-bottom:32px;animation:trackFadeIn .35s ease}
@keyframes trackFadeIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.track-overview-card{background:linear-gradient(135deg,var(--white) 0%,var(--track-card-bg) 100%);border:1px solid var(--blue-light);border-radius:18px;padding:28px 32px;display:flex;justify-content:space-between;align-items:center;gap:24px;box-shadow:0 8px 24px rgba(15,35,70,.06);margin-bottom:14px}
.track-overview-num{font-size:22px;color:var(--pri);letter-spacing:-.01em;font-family:'SF Mono','Consolas',monospace;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.track-overview-right{display:flex;gap:32px;flex-shrink:0}
.track-overview-stat{display:flex;flex-direction:column;align-items:center;gap:2px}
.track-overview-stat-num{font-size:28px;font-weight:800;line-height:1}
.track-overview-stat-label{font-size:11px;color:var(--text3);font-weight:600}
.track-error-card{text-align:center;padding:48px 24px;background:var(--white);border-radius:18px;border:1px solid var(--red-light);margin-bottom:14px}
.track-error-icon{width:64px;height:64px;border-radius:50%;background:var(--red-light);display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.track-error-icon i{font-size:28px;color:var(--red)}
.track-error-card h3{font-size:18px;color:var(--text);margin:0 0 8px}
.track-error-card p{color:var(--text2);margin:0;line-height:1.6}
.track-detail-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:14px}
.track-detail-item{background:var(--white);border:1px solid var(--track-card-border);border-radius:16px;padding:20px 22px;display:flex;flex-direction:row;align-items:center;gap:14px;transition:all .25s ease}
.track-detail-item:hover{border-color:var(--slate-300);box-shadow:0 6px 20px rgba(15,35,70,.06);transform:translateY(-1px)}
.track-detail-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;box-shadow:0 4px 10px rgba(0,0,0,.06)}
.track-detail-text{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.track-detail-key{font-size:11px;color:var(--text3);text-transform:uppercase;letter-spacing:.5px;font-weight:600}
.track-detail-val{font-size:15px;color:var(--text);font-weight:600;word-break:break-all;line-height:1.4}
.track-timeline-box{background:var(--white);border:1px solid var(--track-card-border);border-radius:18px;overflow:hidden;box-shadow:0 4px 16px rgba(15,35,70,.04)}
/* 轨迹状态进度条 */
.track-progress-bar{background:var(--white);border:1px solid var(--track-card-border);border-radius:14px;padding:16px 20px;margin-bottom:14px;box-shadow:0 4px 16px rgba(15,35,70,.04)}
.track-progress-steps{display:flex;align-items:flex-start;justify-content:space-between;position:relative}
.track-progress-step{display:flex;flex-direction:column;align-items:center;gap:4px;flex:0 0 auto;z-index:1}
.track-progress-dot{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--border-light);font-size:11px;color:#fff;transition:all .3s}
.track-progress-dot-empty{width:7px;height:7px;border-radius:50%;background:#cbd5e1;display:block}
.track-progress-step.is-active .track-progress-dot{box-shadow:0 0 0 3px rgba(59,130,246,.2);transform:scale(1.05)}
.track-progress-label{font-size:10px;color:var(--text3);font-weight:500;white-space:nowrap;transition:all .3s}
.track-progress-step.is-done .track-progress-label{color:var(--text)}
.track-progress-line{flex:1;height:2px;background:var(--border-light);margin-top:12px;border-radius:2px;min-width:12px;transition:background .3s}
.track-progress-line.is-done{background:linear-gradient(90deg,#0ea5e9,#3b82f6,#10b981)}
.track-timeline-head{display:flex;align-items:center;justify-content:space-between;padding:20px 28px;border-bottom:1px solid var(--border-light)}
.track-timeline-head h2{font-size:17px;color:var(--pri);margin:0;display:flex;align-items:center;gap:8px;font-weight:700}
.track-timeline-count{font-size:12px;color:var(--text3);font-weight:600;background:var(--bg);padding:4px 12px;border-radius:999px}
/* 表格样式 */
.track-table{width:100%;border-collapse:collapse}
.track-table th{background:var(--bg);padding:14px 16px;text-align:left;font-size:12px;color:var(--text2);font-weight:600;text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border)}
.track-table th:first-child{width:180px}
.track-table th:nth-child(2){width:220px}
.track-table td{padding:14px 16px;border-bottom:1px solid var(--border-light);font-size:13px;line-height:1.6;vertical-align:top}
.track-table tr:last-child td{border-bottom:none}
.track-table tr:hover{background:var(--bg)}
.track-table .time-cell{color:var(--text);font-weight:600;font-family:'SF Mono',Consolas,monospace;white-space:nowrap;display:flex;align-items:center;gap:10px}
.track-table .time-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.track-table .loc-cell{color:var(--text)}
.track-table .desc-cell{color:var(--text)}
.track-table .status-tag{display:inline-flex;align-items:center;gap:4px;padding:2px 10px;border-radius:20px;font-size:11px;font-weight:600;margin-left:8px}
.track-empty{text-align:center;padding:64px 24px;margin-bottom:32px;background:var(--white);border-radius:18px;border:1px solid var(--track-card-border)}
.track-empty-visual{position:relative;width:120px;height:80px;margin:0 auto 28px}
.track-empty-circle{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--sky-100),var(--blue-light));display:flex;align-items:center;justify-content:center;margin:0 auto;position:relative;border:3px solid var(--white);box-shadow:0 4px 16px rgba(59,130,246,.12)}
.track-empty-circle i{font-size:22px;color:var(--blue-300)}
.track-empty-dot{position:absolute;width:8px;height:8px;border-radius:50%;background:var(--sky-200)}
.track-empty-dot:nth-of-type(1){right:-16px;top:50%;transform:translateY(-50%)}
.track-empty-dot:nth-of-type(2){right:-36px;top:50%;transform:translateY(-50%)}
.track-empty-line{position:absolute;top:50%;left:50%;right:0;height:2px;background:linear-gradient(90deg,var(--sky-200),transparent);transform:translateY(-50%)}
.track-empty-pin{position:absolute;right:0;top:50%;transform:translateY(-50%);color:var(--blue-400);font-size:20px}
.track-empty h3{font-size:20px;color:var(--pri);margin:0 0 8px;font-weight:700}
.track-empty p{color:var(--text2);margin:0 0 20px;line-height:1.6;max-width:440px;margin-left:auto;margin-right:auto}
.track-empty-actions{display:flex;align-items:center;gap:10px;justify-content:center;flex-wrap:wrap}
.track-empty-actions span{font-size:13px;color:var(--text3)}
.track-example-btn{border:1px solid var(--blue-light);background:var(--track-card-bg);border-radius:8px;padding:7px 16px;font-size:13px;color:var(--blue);cursor:pointer;font-family:'SF Mono','Consolas',monospace;font-weight:600;transition:all .2s ease}
.track-example-btn:hover{background:var(--sky-100);border-color:var(--blue-500);transform:translateY(-1px)}
.track-footer-tip{margin-bottom:40px}
.track-footer-card{background:linear-gradient(135deg,var(--track-card-bg),var(--blue-light));border:1px solid var(--blue-300);border-radius:16px;padding:20px 28px;display:flex;align-items:center;gap:18px}
.track-footer-icon{width:44px;height:44px;border-radius:12px;background:var(--sky-100);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--blue-500);font-size:18px}
.track-footer-text{flex:1;min-width:0}.track-footer-text strong{display:block;font-size:14px;color:var(--pri);margin-bottom:2px}
.track-footer-text span{font-size:13px;color:var(--text2)}
.track-footer-actions{display:flex;gap:8px;flex-shrink:0}
.track-footer-btn{display:inline-flex;align-items:center;gap:5px;padding:9px 18px;border-radius:10px;font-size:13px;font-weight:600;text-decoration:none;white-space:nowrap;transition:all .2s ease}
.track-footer-btn-outline{border:1px solid var(--blue-300);color:var(--blue-500);background:var(--white)}
.track-footer-btn-outline:hover{background:var(--sky-100);border-color:var(--blue-500)}
.track-footer-btn-primary{background:linear-gradient(135deg,var(--blue-500),var(--blue));color:var(--white);box-shadow:0 4px 12px rgba(37,99,235,.25)}
.track-footer-btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(37,99,235,.35)}
@media(max-width:992px){.track-hero-title{font-size:32px}.track-hero-wrap{padding:52px 0 64px}.track-overview-card{padding:22px 24px}.track-overview-right{gap:24px}.track-detail-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.track-timeline-body{padding:20px 22px}.track-timeline-head{padding:18px 22px}.track-footer-card{gap:14px;padding:18px 22px}}
@media(max-width:768px){.track-hero-wrap{padding:90px 0 60px}.track-hero-title{font-size:24px;margin:0 0 16px}.track-hero-desc{font-size:14px;margin:0 0 28px}.track-hero-badge{font-size:11px;padding:4px 12px;margin-bottom:24px}.track-search{max-width:100%}.track-search-box{gap:4px;padding:5px}.track-search-box input{height:44px;font-size:15px}.track-search-box button{height:44px;font-size:14px;padding:0 20px}.track-search-icon{display:none}.track-hero-hint{font-size:11px}.track-overview-card{padding:14px 16px;gap:6px;flex-direction:column;align-items:flex-start}.track-overview-num{font-size:13px;width:100%}.track-overview-stat-num{font-size:22px}.track-overview-right{gap:18px;width:100%;justify-content:flex-start}.track-detail-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.track-detail-item{padding:14px 16px;gap:10px}.track-detail-icon{width:36px;height:36px;font-size:15px;border-radius:10px}.track-detail-val{font-size:13px}.track-detail-key{font-size:10px}.track-timeline-head{padding:16px 20px}.track-timeline-head h2{font-size:15px}.track-table th{padding:10px 12px;font-size:11px}.track-table th:first-child{width:140px}.track-table th:nth-child(2){width:160px}.track-table td{padding:10px 12px;font-size:12px}.track-table .time-cell{font-size:12px}.track-footer-card{flex-direction:column;align-items:flex-start;gap:12px;padding:16px 18px}.track-footer-actions{width:100%}.track-footer-btn{flex:1;justify-content:center;font-size:12px;padding:8px 14px}.track-empty{padding:32px 16px}.track-empty h3{font-size:17px}.track-empty-visual{transform:scale(.7);margin-bottom:20px}.track-example-btn{font-size:12px;padding:6px 12px}.track-result{margin-bottom:24px}.track-loading{padding:32px 0}}
@media(max-width:480px){.track-hero-wrap{padding:80px 0 48px}.track-hero-title{font-size:21px;margin:0 0 14px}.track-hero-desc{font-size:13px;margin:0 0 24px}.track-hero-badge{margin-bottom:20px}.track-hero-inner{padding:0 16px}.track-search-box input{height:40px;font-size:14px}.track-search-box button{height:40px;font-size:13px;padding:0 14px}.track-overview-card{padding:12px 14px;gap:6px;flex-direction:column;align-items:flex-start}.track-overview-num{font-size:12px;width:100%}.track-overview-stat-num{font-size:20px}.track-overview-stat-label{font-size:10px}.track-overview-right{gap:14px;width:100%;justify-content:flex-start}.track-timeline-body{padding:14px 12px}.track-step{padding-left:30px}.track-step-dot{left:5px;width:15px;height:15px}.track-step.is-latest .track-step-dot{width:20px;height:20px;left:3px}.track-step-line{left:12px}.track-detail-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.track-detail-item{padding:10px 12px;gap:8px}.track-detail-icon{width:30px;height:30px;font-size:12px;border-radius:8px}.track-footer-card{padding:14px}}
/* 移动端表格自动转卡片布局（纯CSS，不重复DOM） */
@media(max-width:992px){
  .track-progress-bar{padding:12px 12px}
  .track-progress-dot{width:24px;height:24px;font-size:10px}
  .track-progress-dot-empty{width:6px;height:6px}
  .track-progress-label{font-size:9px}
  .track-progress-line{margin-top:10px;height:2px}
}
@media(max-width:640px){
  .track-progress-steps{overflow-x:auto;-webkit-overflow-scrolling:touch;justify-content:flex-start;padding-bottom:8px;gap:0}
  .track-progress-step{flex:0 0 auto;min-width:44px}
  .track-progress-bar{padding:10px 8px;border-radius:12px}
  .track-progress-dot{width:24px;height:24px;font-size:9px;flex-shrink:0}
  .track-progress-dot-empty{width:6px;height:6px}
  .track-progress-label{font-size:9px;white-space:normal;text-align:center;line-height:1.2;min-width:0}
  .track-progress-line{flex:0 0 8px;margin-top:10px;min-width:8px}
  .track-table thead{display:none}
  .track-table tbody tr{display:block;background:#fff;border:1px solid var(--border-light);border-radius:14px;padding:14px 16px;margin-bottom:10px}
  .track-table tbody tr:last-child{margin-bottom:0}
  .track-table tbody tr:hover{background:#fff}
  .track-table tbody tr.is-latest{border-color:var(--blue-light);background:linear-gradient(135deg,#fff,var(--track-card-bg));box-shadow:0 2px 10px rgba(37,99,235,.06)}
  .track-table tbody td{display:block;padding:0;border-bottom:none;font-size:13px}
  .track-table tbody td::before{content:attr(data-label);display:block;font-size:11px;color:var(--text3);font-weight:600;margin-bottom:2px;text-transform:uppercase;letter-spacing:.3px}
  .track-table tbody td:first-child{margin-bottom:8px}
  .track-table tbody td:first-child::before{display:none}
  .track-table tbody td:nth-child(2){margin-bottom:4px}
  .track-table tbody td:nth-child(3) .desc-cell{word-break:break-word}
}


/* ===== 产品列表 页面 ===== */
@media(max-width:992px){
  [style*="grid-template-columns:repeat(3,1fr)"]{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  [style*="grid-template-columns:repeat(3,1fr)"]{grid-template-columns:1fr}
  .flag-card .flag-visual{height:160px}
  .flag-card .flag-icon{font-size:42px}
}


/* ===== 产品列表 页面 ===== */
.flag-card{border-radius:20px;overflow:hidden;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.04);transition:all .35s cubic-bezier(.4,0,.2,1);position:relative}
.flag-card:hover{transform:translateY(-8px);box-shadow:0 24px 64px rgba(10,14,26,.12)}
.flag-card .flag-visual{height:200px;background:linear-gradient(135deg,var(--pri),var(--text));position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
.flag-card .flag-visual .dot{position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.04) 1px,transparent 1px);background-size:20px 20px}
.flag-card .flag-visual .glow{position:absolute;top:-40px;right:-40px;width:140px;height:140px;border-radius:50%;background:radial-gradient(circle,rgba(232,168,23,.15),transparent 70%)}
.flag-card .flag-icon{font-size:52px;position:relative;z-index:1;filter:drop-shadow(0 8px 16px rgba(0,0,0,.3))}
.flag-card .flag-badge{position:absolute;top:16px;left:16px;background:rgba(255,255,255,.1);backdrop-filter:blur(6px);color:rgba(255,255,255,.7);padding:4px 12px;border-radius:20px;font-size:11px;font-weight:600;letter-spacing:.5px}
.flag-card .flag-body{padding:24px 20px}
.flag-card .flag-body h3{font-size:18px;font-weight:800;color:var(--pri);margin:0 0 8px;line-height:1.3}
.flag-card .flag-body .desc{font-size:13px;color:var(--text2);line-height:1.7;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.flag-card .flag-features{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}
.flag-card .flag-features span{font-size:11px;padding:3px 10px;border-radius:16px;font-weight:600;white-space:nowrap}
.flag-card .flag-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--blue);transition:gap .3s}
.flag-card:hover .flag-link{gap:10px}
.feature-blue{background:var(--blue-light);color:var(--blue-800)}
.feature-green{background:var(--green-light);color:var(--green-dark)}
.feature-amber{background:var(--accent-light);color:var(--amber-600)}
.feature-purple{background:var(--purple-light);color:#5b21b6}

/* 底部信任条 */
.trust-strip{background:#fff;border-top:1px solid var(--border-light);padding:48px 0;text-align:center}
.trust-strip .trust-item{display:inline-flex;flex-direction:column;align-items:center;padding:0 40px}
.trust-strip .trust-item .trust-icon{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:10px;font-size:20px}
.trust-strip .trust-item .trust-val{font-size:26px;font-weight:800;color:var(--pri)}
.trust-strip .trust-item .trust-label{font-size:12px;color:var(--text3);margin-top:4px}
@media(max-width:768px){
  .trust-strip .trust-item{padding:0 20px}
  .trust-strip .trust-item .trust-val{font-size:22px}
}


/* ===== 服务案例页面 ===== */
.story-card:hover{transform:translateY(-6px);box-shadow:0 20px 52px rgba(10,14,26,.1)}
.story-card:hover img{transform:scale(1.04)}
.story-card:hover h3{color:var(--blue)}
a[style*="grid-template-columns:1fr 1fr"]:hover{transform:translateY(-4px);box-shadow:0 24px 56px rgba(10,14,26,.08)}
a[style*="grid-template-columns:1fr 1fr"]:hover img{transform:scale(1.03)}

@media(max-width:767px){
  a[style*="grid-template-columns:1fr 1fr"]{grid-template-columns:1fr}
  a[style*="grid-template-columns:1fr 1fr"] [style*="min-height:400px"]{height:240px;min-height:auto}
  a[style*="grid-template-columns:1fr 1fr"] [style*="padding:48px"]{padding:28px 24px}
  a[style*="grid-template-columns:1fr 1fr"] h2{font-size:22px}
  [style*="grid-template-columns:1fr 1fr;gap:28px"]{grid-template-columns:1fr}
  .story-card [style*="height:260px"]{height:200px}
}


/* ===== 关于我们页面 ===== */
@media(max-width:767px){
  [style*="grid-template-columns:repeat(3,1fr)"]{grid-template-columns:1fr}
  [style*="left:50%"]{left:20px}
  [class*="anim-up"][style*="text-align:right"]{text-align:left;padding-right:20px}
  [class*="anim-up"] + div + div{padding-left:20px}
}

/* === 响应式显示控制（文件末尾，最高优先级） === */
@media (min-width: 768px)  { .md-show{display:block!important} .md-hide{display:none!important} }
@media (min-width: 992px)  { .lg-show{display:inline-flex!important} .lg-hide{display:none!important} }
@media (max-width: 991px)  { .lg-show{display:none!important} .lg-hide{display:block!important} }


/* ===== UI 精调 - 微交互与动效 ===== */
/* 卡片通用悬停 */
.card-lift { transition: all var(--dur-normal) var(--ease-out); }
.card-lift:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

/* 光泽扫过效果 */
.shimmer { position: relative; overflow: hidden; }
.shimmer::after {
  content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.15), transparent);
  transition: left .6s;
}
.shimmer:hover::after { left: 100%; }

/* 按压反馈 */
.pressable { transition: transform var(--dur-fast) var(--ease-out); }
.pressable:active { transform: scale(.96); }

/* 脉冲指示器 */
@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(232,168,23,.4); }
  70% { box-shadow: 0 0 0 12px rgba(232,168,23,0); }
  100% { box-shadow: 0 0 0 0 rgba(232,168,23,0); }
}
.pulse-ring { animation: pulse-ring 2s infinite; }

/* 淡入上浮动画 */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal { opacity: 0; transform: translateY(24px); transition: all .6s var(--ease-out); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* 交错延迟 */
.reveal-delay-1 { transition-delay: .05s; }
.reveal-delay-2 { transition-delay: .1s; }
.reveal-delay-3 { transition-delay: .15s; }
.reveal-delay-4 { transition-delay: .2s; }
.reveal-delay-5 { transition-delay: .25s; }
.reveal-delay-6 { transition-delay: .3s; }

/* 骨架加载脉冲 */
@keyframes shimmer-loading {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* 数字滚动动画 */
@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.count-animate { animation: countUp .6s var(--ease-out) both; }

/* 图片缩放悬停 */
.img-zoom { overflow: hidden; }
.img-zoom img { transition: transform var(--dur-slow) var(--ease-out); }
.img-zoom:hover img { transform: scale(1.06); }

/* 箭头移动悬停 */
.arrow-hover { display: inline-flex; align-items: center; gap: 6px; }
.arrow-hover::after { content: '\2192'; transition: transform var(--dur-normal) var(--ease-out); }
.arrow-hover:hover::after { transform: translateX(4px); }

/* 标签页下划线动画 */
.tab-underline {
  position: relative;
}
.tab-underline::after {
  content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
  background: var(--accent); transition: width var(--dur-normal) var(--ease-out);
}
.tab-underline:hover::after, .tab-underline.active::after { width: 100%; }

/* 分割线装饰 */
.divider-dot {
  display: flex; align-items: center; gap: 16px; justify-content: center;
}
.divider-dot::before, .divider-dot::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}
.divider-dot span {
  width: 6px; height: 6px; background: var(--accent); border-radius: 50%;
}

/* ---- 响应式按钮触摸优化 ---- */
@media (hover: none) and (pointer: coarse) {
  .btn-primary-hero:active::after { transform: translateX(100%); transition: transform .6s; }
}

/* ===== 页脚友情链接 ===== */
.footer-links {
  border-top: 1px solid rgba(255,255,255,.08);
  margin-top: 36px;
  padding-top: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  font-size: 13px;
  color: rgba(255,255,255,.4);
}
.footer-links span {
  color: rgba(255,255,255,.5);
  font-weight: 500;
  white-space: nowrap;
}
.footer-links a {
  color: rgba(255,255,255,.35);
  text-decoration: none;
  transition: color .2s;
  white-space: nowrap;
}
.footer-links a:hover {
  color: var(--primary);
}
@media (max-width: 768px) {
  .footer-links {
    gap: 4px 10px;
    font-size: 12px;
  }
}