/* ============================================================
   大连信畅国际物流官网 · 视觉 V2 —— 大气 · 专业
   深藏青 + 暖金 · 高端货代官网风格
   ============================================================ */
:root {
  --navy-950: #050F24;
  --navy-900: #0A1E3F;
  --navy-800: #0D2A55;
  --navy-700: #123A6E;
  --navy-600: #1B4D8F;
  --blue-accent: #2E6FB7;
  --gold: #C9A45C;
  --gold-deep: #A9843B;
  --gold-soft: rgba(201, 164, 92, .14);
  --bg: #F5F7FA;
  --card: #FFFFFF;
  --line: #E3E8EF;
  --ink: #17233B;
  --gray: #5B6B80;
  --gray-light: #8A97A8;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 8px 30px rgba(10, 30, 63, .08);
  --shadow-lg: 0 20px 50px rgba(10, 30, 63, .16);
  --container: 1200px;
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  font-size: 15px;
}
img { max-width: 100%; display: block; }
a { color: var(--navy-600); text-decoration: none; transition: color .2s; }
a:hover { color: var(--gold-deep); }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
h1, h2, h3, h4 { line-height: 1.3; color: var(--navy-900); }

/* ============ 按钮 ============ */
.btn {
  display: inline-block; padding: 12px 30px; border-radius: 6px;
  font-size: 14.5px; font-weight: 600; letter-spacing: .5px;
  border: 1px solid transparent; cursor: pointer; text-align: center;
  transition: all .25s ease;
}
.btn-gold { background: linear-gradient(135deg, #D4B26C, var(--gold) 55%, var(--gold-deep)); color: #fff !important; box-shadow: 0 6px 18px rgba(169, 132, 59, .35); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(169, 132, 59, .45); filter: brightness(1.04); }
.btn-navy { background: var(--navy-800); color: #fff !important; }
.btn-navy:hover { background: var(--navy-700); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--navy-700) !important; border-color: var(--navy-600); }
.btn-outline:hover { background: var(--navy-800); border-color: var(--navy-800); color: #fff !important; }
.btn-ghost { background: rgba(255,255,255,.08); color: #fff !important; border-color: rgba(255,255,255,.45); backdrop-filter: blur(4px); }
.btn-ghost:hover { background: rgba(255,255,255,.16); border-color: #fff; }
.btn-lg { padding: 14px 40px; font-size: 15.5px; }
.btn-block { width: 100%; }

/* ============ 导航（大气简约） ============ */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .96); backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(10, 30, 63, .06);
  transition: box-shadow .3s;
}
.nav.scrolled { box-shadow: 0 10px 30px rgba(10, 30, 63, .08); }
.nav .container { display: flex; align-items: center; height: 82px; }
.logo { display: flex; align-items: center; gap: 14px; }
.logo-mark {
  width: 44px; height: 44px; border-radius: 10px; flex: none;
  background: linear-gradient(135deg, var(--navy-700), var(--navy-900));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 21px;
  box-shadow: 0 6px 16px rgba(10, 30, 63, .25);
  border: 1px solid rgba(201, 164, 92, .4);
}
.logo-img { height: 44px; width: auto; }
.logo-text b { display: block; font-size: 18px; color: var(--navy-900); letter-spacing: 2px; font-weight: 800; }
.logo-text span { display: block; font-size: 9px; color: var(--gray-light); letter-spacing: 2.5px; text-transform: uppercase; margin-top: 2px; }
.nav-links { display: flex; gap: 2px; margin-left: auto; list-style: none; }
.nav-links a {
  display: block; padding: 10px 18px; color: var(--gray); font-size: 15px; font-weight: 500;
  letter-spacing: .8px; transition: color .2s;
}
.nav-links a:hover { color: var(--navy-900); }
.nav-links a.active { color: var(--gold-deep); font-weight: 700; }
.nav-right { display: flex; align-items: center; gap: 22px; margin-left: 18px; }
.nav-cta { background: linear-gradient(135deg, #D4B26C, var(--gold-deep)); box-shadow: 0 6px 18px rgba(169,132,59,.35); padding: 12px 26px; }
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(169,132,59,.45); filter: brightness(1.04); }
.nav-toggle { display: none; margin-left: auto; background: none; border: 0; font-size: 26px; color: var(--navy-900); cursor: pointer; }
@media (max-width: 1280px) {
  .nav-links a { padding: 10px 13px; font-size: 14.5px; }
  .nav-right { gap: 12px; }
}

/* 客户登录态入口（桌面右侧：登录/注册 或 客户中心/退出） */
.nav-auth { display: flex; align-items: center; gap: 4px; }
.na-link { color: var(--navy-800); font-size: 14.5px; font-weight: 600; padding: 8px 10px; transition: color .2s; }
.na-link + .na-link { border-left: 1px solid var(--line); }
.na-link:hover { color: var(--gold-deep); }
.nav-auth-link { display: flex; align-items: center; gap: 6px; color: var(--navy-800) !important; font-size: 13px; font-weight: 600; white-space: nowrap; }
.nav-auth-link:hover { color: var(--gold-deep) !important; }
.na-dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.na-dot.lv1 { background: #9aa7b5; }
.na-dot.lv2 { background: #aebbc9; }
.na-dot.lv3 { background: var(--gold); }
.na-dot.lv4 { background: #d4af37; box-shadow: 0 0 6px rgba(212,175,55,.6); }
.nav-auth-link b { color: var(--gold-deep); }
.nav-auth-link i { font-style: normal; color: var(--gray-light); max-width: 100px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.na-out { font-size: 12.5px; color: var(--gray-light); padding: 4px 10px; border-left: 1px solid var(--line); }
.na-out:hover { color: #c0392b; }
.nav-auth-m { display: none; }

/* 页脚客户登录区 */
.footer-auth {
  margin-top: 16px; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.1);
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px;
  font-size: 13px; color: rgba(255,255,255,.7);
}
.footer-auth .fa-welcome { color: rgba(255,255,255,.85); }
.footer-auth .fa-welcome b { color: var(--gold); font-weight: 700; }
.footer-auth .fa-link { color: var(--gold); text-decoration: underline; text-underline-offset: 3px; }
.footer-auth .fa-link:hover { color: #fff; }
.footer-acct { color: var(--gold) !important; font-weight: 600; }
@media (max-width: 720px) {
  .footer-auth { font-size: 12.5px; }
}

/* ============ 客户中心 ============ */
.acct-head { display: flex; justify-content: space-between; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 26px 30px; margin-bottom: 22px; box-shadow: var(--shadow); flex-wrap: wrap; gap: 14px; }
.acct-user { display: flex; align-items: center; gap: 16px; }
.acct-avatar { width: 56px; height: 56px; border-radius: 14px; background: linear-gradient(135deg, var(--navy-700), var(--navy-900)); color: var(--gold); font-size: 26px; font-weight: 800; display: flex; align-items: center; justify-content: center; }
.acct-user h2 { font-size: 20px; font-weight: 800; color: var(--navy-900); }
.acct-user p { font-size: 13.5px; color: var(--gray); margin-top: 4px; }
.acct-level { padding: 8px 22px; border-radius: 24px; font-size: 14px; font-weight: 700; letter-spacing: 1px; }
.acct-level.lv1 { background: #EDF0F4; color: #5B6B80; }
.acct-level.lv2 { background: #E8EEF5; color: #4A6B8A; }
.acct-level.lv3 { background: var(--gold-soft); color: var(--gold-deep); }
.acct-level.lv4 { background: linear-gradient(135deg, #F7E7B4, #E9C463); color: #6b5200; }

/* ============ Hero ============ */
.hero { position: relative; overflow: hidden; background: var(--navy-900); min-height: 620px; }
.hero-slide { display: none; position: absolute; inset: 0; background-size: cover; background-position: center 30%; }
.hero-slide.active { display: block; animation: heroIn 1s ease; }
@keyframes heroIn { from { opacity: 0; transform: scale(1.03); } to { opacity: 1; transform: none; } }
.hero-veil {
  position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(100deg, rgba(5, 15, 36, .92) 0%, rgba(8, 28, 58, .78) 38%, rgba(10, 30, 63, .35) 68%, rgba(5, 15, 36, .25) 100%);
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.25fr .75fr; gap: 60px; align-items: center;
  padding-top: 104px; padding-bottom: 116px;
}
.hero-eyebrow {
  display: inline-block; font-size: 12px; letter-spacing: 4px; color: #F0D9A6;
  border: 1px solid rgba(240, 217, 166, .55); border-radius: 30px; padding: 7px 20px;
  margin-bottom: 28px; text-transform: uppercase; background: rgba(5, 15, 36, .35);
  backdrop-filter: blur(4px);
}
.hero-copy h1 { font-size: 46px; font-weight: 800; color: #fff; letter-spacing: 1px; line-height: 1.25; margin-bottom: 22px; text-shadow: 0 4px 24px rgba(0, 0, 0, .35); }
.hero-copy .lead { font-size: 17px; color: rgba(255, 255, 255, .88); max-width: 560px; margin-bottom: 36px; line-height: 1.95; text-shadow: 0 2px 12px rgba(0,0,0,.3); }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-card {
  background: rgba(8, 22, 46, .62); border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 18px; padding: 34px 30px; backdrop-filter: blur(14px);
  box-shadow: 0 30px 70px rgba(0, 0, 0, .45);
}
.hero-card-head { font-size: 15px; color: #fff; font-weight: 700; margin-bottom: 20px; display: flex; align-items: center; gap: 10px; letter-spacing: .5px; }
.hc-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 4px rgba(201,164,92,.28); }
.quick-search { display: flex; gap: 10px; }
.quick-search input {
  flex: 1; border: 1px solid rgba(255,255,255,.25); background: rgba(255,255,255,.95);
  border-radius: 8px; padding: 14px 16px; font-size: 14.5px; outline: none; color: var(--ink);
}
.quick-search input:focus { border-color: var(--gold); }
.hero-card .tips { margin-top: 14px; font-size: 12px; color: rgba(255,255,255,.7); letter-spacing: .3px; }
.hero-indicators { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 2; }
.hero-indicators span { width: 28px; height: 3px; border-radius: 2px; background: rgba(255,255,255,.35); cursor: pointer; transition: all .3s; }
.hero-indicators span.on { background: var(--gold); width: 44px; }

/* ============ 数据条 ============ */
.stats-bar { background: linear-gradient(120deg, var(--navy-800), var(--navy-600)); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { text-align: center; padding: 34px 16px; border-left: 1px solid rgba(255,255,255,.1); }
.stat:first-child { border-left: 0; }
.stat b { display: block; font-size: 36px; font-weight: 800; color: var(--gold); letter-spacing: 1px; line-height: 1.2; }
.stat span { font-size: 13.5px; color: rgba(255,255,255,.75); letter-spacing: 1px; }

/* ============ 区块通用 ============ */
.section { padding: 86px 0; }
.section-gray { background: var(--bg); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 54px; }
.section-head .tag {
  display: inline-flex; align-items: center; gap: 14px;
  font-size: 12px; letter-spacing: 4px; color: var(--gold-deep); font-weight: 700;
  margin-bottom: 18px; text-transform: uppercase;
}
.section-head .tag::before, .section-head .tag::after { content: ""; width: 34px; height: 1px; background: linear-gradient(90deg, transparent, var(--gold)); }
.section-head .tag::after { background: linear-gradient(90deg, var(--gold), transparent); }
.section-head h2 { font-size: 34px; font-weight: 800; color: var(--navy-900); letter-spacing: 1px; margin-bottom: 14px; }
.section-head p { color: var(--gray); font-size: 15px; letter-spacing: .3px; }

/* ============ 服务卡片 ============ */
.services-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 22px; }
.service-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 20px 28px; text-align: center; transition: all .3s ease; position: relative; overflow: hidden;
}
.service-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--gold), #E8D5A4); transform: scaleX(0); transition: transform .35s ease;
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service-card:hover::before { transform: scaleX(1); }
.service-card .ico {
  width: 66px; height: 66px; margin: 0 auto 18px; border-radius: 50%;
  background: linear-gradient(160deg, var(--navy-800), var(--navy-600));
  border: 1px solid rgba(201, 164, 92, .35);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold); transition: all .3s;
}
.service-card .ico svg { width: 30px; height: 30px; }
.service-card:hover .ico { background: linear-gradient(135deg, #D4B26C, var(--gold-deep)); color: #fff; box-shadow: 0 10px 24px rgba(169,132,59,.4); transform: translateY(-3px); }
.service-card h3 { font-size: 16.5px; font-weight: 700; color: var(--navy-900); margin-bottom: 8px; }
.service-card p { font-size: 12.5px; color: var(--gray); line-height: 1.7; }
.service-card .more { display: inline-block; margin-top: 16px; font-size: 13px; font-weight: 600; color: var(--navy-600); }
.service-card .more span { display: inline-block; transition: transform .25s; }
.service-card:hover .more span { transform: translateX(4px); }

/* ============ 优势 ============ */
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.adv-item {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 26px; position: relative; transition: all .3s;
}
.adv-item:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.adv-item .num {
  font-size: 44px; font-weight: 800; line-height: 1;
  color: transparent; -webkit-text-stroke: 1.5px rgba(13, 42, 85, .18);
  margin-bottom: 18px;
}
.adv-item h3 { font-size: 17px; color: var(--navy-900); margin-bottom: 10px; position: relative; }
.adv-item h3::before { content: ""; position: absolute; left: 0; bottom: -6px; width: 26px; height: 2px; background: var(--gold); }
.adv-item p { font-size: 13.5px; color: var(--gray); margin-top: 12px; }

/* ============ 新闻 ============ */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.news-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; transition: all .3s; display: flex; flex-direction: column; gap: 12px;
}
.news-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); }
.news-card .cat { font-size: 12px; color: var(--gold-deep); background: var(--gold-soft); padding: 4px 14px; border-radius: 20px; align-self: flex-start; letter-spacing: .5px; font-weight: 600; }
.news-card h3 { font-size: 15.5px; line-height: 1.6; font-weight: 600; }
.news-card h3 a { color: var(--ink); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card h3 a:hover { color: var(--navy-700); }
.news-card .meta { font-size: 12px; color: var(--gray-light); margin-top: auto; padding-top: 12px; border-top: 1px dashed var(--line); }
.news-card .meta .src { color: var(--navy-600); font-weight: 600; }

/* ============ CTA ============ */
.cta { background: linear-gradient(120deg, var(--navy-950), var(--navy-700)); color: #fff; position: relative; overflow: hidden; }
.cta::before { content: ""; position: absolute; inset: 0; background: radial-gradient(600px 300px at 80% 20%, rgba(201,164,92,.18), transparent 60%); }
.cta .container { position: relative; padding: 72px 24px; text-align: center; }
.cta h2 { font-size: 30px; font-weight: 800; color: #fff; margin-bottom: 12px; letter-spacing: 1px; }
.cta p { color: rgba(255,255,255,.78); margin-bottom: 30px; font-size: 15px; }

/* ============ 页脚 ============ */
.footer { background: var(--navy-950); color: rgba(255,255,255,.68); font-size: 13.5px; }
.footer .container { padding: 60px 24px 30px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 48px; margin-bottom: 42px; }
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 20px; letter-spacing: 1.5px; position: relative; padding-bottom: 10px; }
.footer h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 26px; height: 2px; background: var(--gold); }
.footer a { color: rgba(255,255,255,.68); display: block; margin-bottom: 10px; transition: all .2s; }
.footer a:hover { color: var(--gold); padding-left: 4px; }
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-logo .logo-mark { width: 42px; height: 42px; font-size: 20px; }
.footer-logo img { height: 42px; width: auto; }
.footer-logo b { display: block; color: #fff; font-size: 17px; letter-spacing: 2px; }
.footer-logo span { font-size: 9px; letter-spacing: 2px; color: rgba(255,255,255,.45); text-transform: uppercase; }
.footer .about-txt { color: rgba(255,255,255,.55); font-size: 13px; line-height: 2; }
.footer .contact-item { display: flex; gap: 10px; margin-bottom: 12px; }
.footer .contact-item b { color: var(--gold); font-weight: 600; min-width: 34px; }
.footer .contact-item span { color: rgba(255,255,255,.75); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding-top: 22px;
  text-align: center; font-size: 12.5px; color: rgba(255,255,255,.42);
}
.footer-bottom a { display: inline; margin: 0; color: rgba(255,255,255,.55); }
.footer-bottom a:hover { color: var(--gold); padding: 0; }

/* ============ 内页 Banner ============ */
.page-banner {
  background: linear-gradient(120deg, var(--navy-950), var(--navy-700));
  color: #fff; padding: 60px 0 56px; position: relative; overflow: hidden;
}
.page-banner::after { content: ""; position: absolute; inset: 0; background: radial-gradient(500px 260px at 85% 20%, rgba(201,164,92,.14), transparent 60%); }
.page-banner .container { position: relative; z-index: 1; }
.page-banner h1 { font-size: 32px; font-weight: 800; letter-spacing: 1px; margin-bottom: 8px; }
.page-banner p { color: rgba(255,255,255,.75); font-size: 14.5px; }
.crumb { font-size: 12.5px; color: rgba(255,255,255,.5); margin-top: 14px; letter-spacing: .5px; }
.crumb a { color: rgba(255,255,255,.85); }
.crumb a:hover { color: var(--gold); }

/* ============ 关于我们 ============ */
.about-wrap { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; }
.about-figure {
  border-radius: 16px; overflow: hidden; min-height: 340px;
  background: linear-gradient(135deg, var(--navy-800), var(--navy-600));
  display: flex; align-items: center; justify-content: center; font-size: 96px;
  box-shadow: var(--shadow-lg); position: relative;
}
.about-figure::after { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(90deg, transparent 0 46px, rgba(255,255,255,.05) 46px 48px); }
.about-text h2 { font-size: 28px; font-weight: 800; color: var(--navy-900); margin-bottom: 18px; }
.about-text p { color: var(--gray); margin-bottom: 14px; line-height: 2; }
.milestone { position: relative; padding-left: 28px; }
.milestone::before { content: ""; position: absolute; left: 9px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(180deg, var(--gold), var(--line)); }
.milestone li { position: relative; list-style: none; padding: 13px 0 13px 10px; }
.milestone li::before {
  content: ""; position: absolute; left: -24px; top: 21px; width: 11px; height: 11px; border-radius: 50%;
  background: #fff; border: 2.5px solid var(--gold);
}
.milestone b { color: var(--navy-800); margin-right: 12px; font-size: 15px; }
.milestone span { color: var(--gray); font-size: 14px; }
.certs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 30px; }
.cert {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 16px; text-align: center;
  background: var(--card); font-size: 13px; color: var(--gray); transition: all .25s;
}
.cert:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.cert b { display: block; color: var(--navy-900); font-size: 15px; margin-bottom: 4px; }
.cert .seal { font-size: 28px; margin-bottom: 10px; }

/* ============ 服务详情 ============ */
.detail-layout { display: grid; grid-template-columns: 280px 1fr; gap: 32px; align-items: start; }
.side-nav {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; position: sticky; top: 100px; box-shadow: var(--shadow);
}
.side-nav a { display: block; padding: 12px 18px; border-radius: var(--radius-sm); color: var(--ink); font-size: 14.5px; margin-bottom: 4px; transition: all .2s; }
.side-nav a.active { background: var(--navy-800); color: #fff; font-weight: 600; box-shadow: 0 4px 12px rgba(13,42,85,.3); }
.side-nav a:hover:not(.active) { background: var(--bg); color: var(--navy-700); }
.detail-body { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 44px; box-shadow: var(--shadow); }
.detail-body h2 { font-size: 26px; font-weight: 800; color: var(--navy-900); margin-bottom: 8px; }
.detail-body .sub { color: var(--gray); font-size: 14px; margin-bottom: 26px; }
.detail-body h3 { font-size: 18px; font-weight: 700; color: var(--navy-800); margin: 26px 0 12px; position: relative; padding-left: 14px; }
.detail-body h3::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 3px; background: var(--gold); border-radius: 2px; }
.detail-body p { color: var(--gray); margin-bottom: 12px; line-height: 2; }
.feat-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 18px 0; }
.feat-list li {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 12px 16px; font-size: 13.5px; color: var(--navy-800); font-weight: 500;
  display: flex; align-items: center; gap: 8px;
}
.feat-list li::before { content: "✓"; color: var(--gold-deep); font-weight: 800; font-size: 15px; }

/* ============ 追踪 ============ */
.track-box {
  max-width: 660px; margin: 0 auto; background: var(--card); border: 1px solid var(--line);
  border-radius: 16px; padding: 36px; box-shadow: var(--shadow-lg);
}
.track-box .form { display: flex; gap: 12px; }
.track-box input {
  flex: 1; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px 18px; font-size: 15px; outline: none;
  transition: all .2s;
}
.track-box input:focus { border-color: var(--gold); box-shadow: 0 0 0 3px var(--gold-soft); }
.track-result { max-width: 800px; margin: 36px auto 0; }
.track-head { background: linear-gradient(120deg, var(--navy-900), var(--navy-700)); color: #fff; border-radius: 14px 14px 0 0; padding: 26px 30px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.track-head .no { font-size: 21px; font-weight: 800; letter-spacing: 1px; }
.track-head .status { background: var(--gold); color: #fff; padding: 5px 18px; border-radius: 20px; font-size: 13px; font-weight: 700; align-self: center; letter-spacing: 1px; }
.track-info { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; background: var(--card); border: 1px solid var(--line); border-top: 0; border-radius: 0 0 14px 14px; padding: 22px 30px; }
.track-info div b { display: block; font-size: 11.5px; color: var(--gray-light); font-weight: 500; margin-bottom: 3px; letter-spacing: .5px; }
.track-info div span { font-size: 14px; color: var(--ink); }
.timeline { margin-top: 20px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 30px 32px; box-shadow: var(--shadow); }
.timeline h3 { font-size: 17px; font-weight: 700; color: var(--navy-900); margin-bottom: 22px; }
.tl-item { position: relative; padding: 0 0 26px 32px; }
.tl-item::before { content: ""; position: absolute; left: 8px; top: 8px; bottom: 0; width: 2px; background: var(--line); }
.tl-item:last-child::before { display: none; }
.tl-item::after {
  content: ""; position: absolute; left: 3px; top: 5px; width: 12px; height: 12px; border-radius: 50%;
  background: #fff; border: 3px solid var(--blue-accent);
}
.tl-item.done::after { background: var(--blue-accent); }
.tl-item .time { font-size: 13px; color: var(--gray-light); }
.tl-item .desc { font-size: 14.5px; color: var(--ink); font-weight: 600; }
.tl-item .loc { font-size: 12.5px; color: var(--gray-light); }
.tl-item.current::after { background: var(--gold); border-color: var(--gold); box-shadow: 0 0 0 5px var(--gold-soft); }
.tl-item.current .desc { color: var(--navy-700); }

/* ============ 新闻列表 ============ */
.news-layout { display: grid; grid-template-columns: 1fr 300px; gap: 34px; align-items: start; }
.news-filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 24px; }
.news-filters a {
  padding: 8px 22px; border-radius: 24px; border: 1px solid var(--line); font-size: 13.5px; color: var(--gray);
  background: var(--card); transition: all .2s;
}
.news-filters a.active { background: var(--navy-800); color: #fff; border-color: var(--navy-800); box-shadow: 0 4px 12px rgba(13,42,85,.25); }
.news-filters a:hover:not(.active) { border-color: var(--navy-600); color: var(--navy-700); }
.news-list-item {
  display: flex; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--line);
  align-items: flex-start; transition: all .2s;
}
.news-list-item:hover { padding-left: 8px; }
.news-list-item .date { text-align: center; min-width: 72px; background: var(--bg); border-radius: var(--radius-sm); padding: 10px 0; border: 1px solid var(--line); }
.news-list-item .date b { display: block; font-size: 22px; color: var(--navy-700); line-height: 1.2; font-weight: 800; }
.news-list-item .date span { font-size: 11.5px; color: var(--gray-light); }
.news-list-item h3 { font-size: 16.5px; margin-bottom: 6px; }
.news-list-item h3 a { color: var(--ink); }
.news-list-item h3 a:hover { color: var(--navy-700); }
.news-list-item .sum { font-size: 13.5px; color: var(--gray); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-list-item .meta { font-size: 12.5px; color: var(--gray-light); margin-top: 8px; }
.news-list-item .meta .src { color: var(--navy-600); font-weight: 600; }
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 34px; }
.pagination a, .pagination span {
  min-width: 40px; height: 40px; line-height: 40px; text-align: center; border-radius: var(--radius-sm);
  border: 1px solid var(--line); font-size: 14px; color: var(--ink); padding: 0 14px; background: var(--card);
}
.pagination a:hover { border-color: var(--gold); color: var(--gold-deep); }
.pagination .cur { background: var(--navy-800); color: #fff; border-color: var(--navy-800); }
.side-widget { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; margin-bottom: 22px; box-shadow: var(--shadow); }
.side-widget h3 { font-size: 15.5px; font-weight: 700; color: var(--navy-900); margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--navy-800); position: relative; }
.side-widget h3::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 60px; height: 2px; background: var(--gold); }
.side-widget .hot { font-size: 13.5px; }
.side-widget .hot li { list-style: none; margin-bottom: 14px; }
.side-widget .hot a { color: var(--gray); display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.side-widget .hot a:hover { color: var(--navy-700); }
.side-contact p { font-size: 13.5px; color: var(--gray); margin-bottom: 6px; }
.side-contact b { color: var(--navy-800); }

/* ============ 新闻详情 ============ */
.article { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 48px; box-shadow: var(--shadow); }
.article h1 { font-size: 28px; font-weight: 800; color: var(--navy-900); margin-bottom: 16px; line-height: 1.45; }
.article .meta { display: flex; gap: 20px; color: var(--gray-light); font-size: 13px; padding-bottom: 20px; border-bottom: 1px solid var(--line); margin-bottom: 28px; flex-wrap: wrap; }
.article .content { font-size: 15.5px; color: #333; line-height: 2.1; }
.article .content p { margin-bottom: 18px; }
.article .content img { border-radius: 10px; margin: 18px 0; }
.article .content h2, .article .content h3 { color: var(--navy-900); margin: 24px 0 12px; }
.article .src-note { margin-top: 30px; padding: 14px 18px; background: var(--bg); border-left: 3px solid var(--gold); border-radius: var(--radius-sm); font-size: 12.5px; color: var(--gray); }
.article .src-note a { word-break: break-all; }
.article-nav { display: flex; justify-content: space-between; gap: 20px; margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--line); font-size: 13.5px; flex-wrap: wrap; }
.article-nav span { color: var(--gray-light); }
.article-nav a { max-width: 46%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ============ 表单 ============ */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-field label { display: block; font-size: 13.5px; color: var(--gray); margin-bottom: 7px; font-weight: 600; letter-spacing: .3px; }
.form-field label .req { color: #C4453C; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 13px 16px;
  font-size: 14.5px; font-family: inherit; outline: none; background: var(--card); color: var(--ink);
  transition: border-color .2s, box-shadow .2s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--gold); box-shadow: 0 0 0 3px var(--gold-soft);
}
.form-field textarea { resize: vertical; min-height: 110px; }
.form-field.full { grid-column: 1 / -1; }
.form-tip { font-size: 12.5px; color: var(--gray-light); }

/* ============ 联系页 ============ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 34px; align-items: start; }
.contact-info { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); }
.contact-info h3 { font-size: 19px; font-weight: 700; color: var(--navy-900); margin-bottom: 24px; }
.contact-info .ci { display: flex; gap: 16px; margin-bottom: 20px; align-items: flex-start; }
.contact-info .ci .ci-ico { font-size: 24px; width: 46px; height: 46px; flex: none; border-radius: 10px; background: var(--gold-soft); display: flex; align-items: center; justify-content: center; }
.contact-info .ci b { display: block; font-size: 15px; color: var(--ink); margin-bottom: 2px; }
.contact-info .ci span { font-size: 13.5px; color: var(--gray); }
.map-box { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: var(--card); box-shadow: var(--shadow); }
.map-box iframe { width: 100%; height: 360px; border: 0; }

/* ============ 消息提示 ============ */
.alert { padding: 14px 18px; border-radius: var(--radius-sm); font-size: 14px; margin-bottom: 18px; display: none; }
.alert.show { display: block; }
.alert.ok { background: #EAF6EE; color: #1F7A4D; border: 1px solid #C2E6D0; }
.alert.err { background: #FDEFEE; color: #C0392B; border: 1px solid #F3CDCA; }
.alert.info { background: var(--bg); color: var(--navy-700); border: 1px solid var(--line); }

/* ============ 错误页 ============ */
.error-page { text-align: center; padding: 100px 24px; }
.error-page h1 { font-size: 96px; color: rgba(13, 42, 85, .1); font-weight: 800; }
.error-page p { color: var(--gray); margin-bottom: 28px; font-size: 16px; }

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .nav-right .nav-phone { display: none; }
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-wrap { grid-template-columns: 1fr; }
  .detail-layout { grid-template-columns: 1fr; }
  .news-layout { grid-template-columns: 1fr; }
  .side-bar { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-card { max-width: 520px; }
}
@media (max-width: 720px) {
  .nav .container { height: 64px; }
  .logo-text span { display: none; }
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed; top: 64px; left: 0; right: 0; background: #fff; flex-direction: column;
    padding: 12px 20px 22px; box-shadow: 0 16px 32px rgba(10,30,63,.14);
    display: none; z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 13px 18px; border-bottom: 1px solid var(--line); }
  .nav-right { display: none; }
  .hero-inner { padding-top: 64px; padding-bottom: 80px; }
  .hero-copy h1 { font-size: 30px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat { border-left: 0; padding: 22px 10px; }
  .stat b { font-size: 28px; }
  .services-grid, .news-grid, .adv-grid, .certs { grid-template-columns: 1fr 1fr; }
  .form-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .track-info { grid-template-columns: 1fr 1fr; }
  .feat-list { grid-template-columns: 1fr; }
  .hero-btns .btn { padding: 12px 22px; }
  .section { padding: 60px 0; }
  .article { padding: 28px 20px; }
  .quick-search { flex-direction: column; }
  .quick-search .btn { width: 100%; }
}