/* ============================================================
   中诺智通 · 企业官网 设计系统
   ============================================================ */
:root {
  --c-primary: #12518f;
  --c-primary-dark: #0b2e55;
  --c-primary-deep: #071f3a;
  --c-accent: #14a7b8;
  --c-accent-soft: #e3f4f7;
  --c-gold: #d99a2b;
  --c-bg: #f4f7fb;
  --c-surface: #ffffff;
  --c-text: #1c2b3a;
  --c-text-2: #51637a;
  --c-line: #dfe7f0;
  --c-danger: #c0392b;
  --radius: 10px;
  --shadow: 0 10px 30px rgba(11, 46, 85, .10);
  --shadow-sm: 0 4px 14px rgba(11, 46, 85, .08);
  --font: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 15px; }

.container { width: min(1180px, 92%); margin: 0 auto; }

/* ---------------- 顶部通栏 ---------------- */
.topbar {
  background: var(--c-primary-deep);
  color: #9fb6cf;
  font-size: 12.5px;
}
.topbar .container {
  display: flex; justify-content: space-between; align-items: center;
  min-height: 34px; gap: 12px; flex-wrap: wrap;
}
.topbar a { color: #cfe0f2; }
.topbar a:hover { color: #fff; }
.topbar-right { display: flex; gap: 16px; align-items: center; }
.topbar-link { display: inline-flex; align-items: center; gap: 5px; }

/* ---------------- 导航 ---------------- */
.header {
  position: sticky; top: 0; z-index: 90;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--c-line);
  transition: box-shadow .25s;
}
.header.scrolled { box-shadow: var(--shadow-sm); }
.nav {
  display: flex; align-items: center; gap: 28px;
  min-height: 72px;
}
.brand { display: flex; align-items: center; gap: 10px; margin-right: auto; }
.brand-logo { width: 44px; height: 44px; flex: none; }
.brand-name { line-height: 1.25; }
.brand-name b { display: block; font-size: 17px; color: var(--c-primary-dark); letter-spacing: 1px; }
.brand-name span { font-size: 10.5px; color: var(--c-text-2); letter-spacing: .4px; text-transform: uppercase; }

.nav-links { display: flex; gap: 4px; }
.nav-links > li { position: relative; }
.nav-links a.nav-item {
  display: block; padding: 8px 14px; font-size: 15.5px; font-weight: 500;
  color: var(--c-text); border-radius: 6px; transition: color .2s;
}
.nav-links a.nav-item:hover { color: var(--c-primary); }
.nav-links li.active > a.nav-item { color: var(--c-primary); font-weight: 600; }
.nav-links li.active > a.nav-item::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px;
  height: 2px; background: var(--c-accent); border-radius: 2px;
}
.nav-links li { position: relative; }
.has-sub > .sub-menu {
  position: absolute; top: calc(100% + 6px); left: 0; min-width: 220px;
  background: #fff; border: 1px solid var(--c-line); border-radius: 8px;
  box-shadow: var(--shadow); padding: 6px; opacity: 0; visibility: hidden;
  transform: translateY(6px); transition: all .22s;
}
.has-sub:hover > .sub-menu, .has-sub:focus-within > .sub-menu { opacity: 1; visibility: visible; transform: none; }
.sub-menu a { display: block; padding: 8px 12px; font-size: 14px; border-radius: 6px; color: var(--c-text-2); }
.sub-menu a:hover { background: var(--c-accent-soft); color: var(--c-primary); }

.nav-actions { display: flex; gap: 10px; align-items: center; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 10px 20px; border-radius: 8px; border: 1px solid transparent;
  font-size: 14.5px; font-weight: 600; transition: all .2s; white-space: nowrap;
}
.btn-primary { background: var(--c-primary); color: #fff; }
.btn-primary:hover { background: var(--c-primary-dark); }
.btn-accent { background: var(--c-accent); color: #fff; }
.btn-accent:hover { filter: brightness(1.08); }
.btn-ghost { border-color: var(--c-line); color: var(--c-text); background: #fff; }
.btn-ghost:hover { border-color: var(--c-primary); color: var(--c-primary); }
.btn-light { background: rgba(255,255,255,.14); color: #fff; border-color: rgba(255,255,255,.4); }
.btn-light:hover { background: rgba(255,255,255,.26); }
.btn-sm { padding: 7px 14px; font-size: 13.5px; }
.btn-lg { padding: 13px 30px; font-size: 16px; }

.lang-switch {
  display: inline-flex; border: 1px solid var(--c-line); border-radius: 999px; overflow: hidden;
}
.lang-switch button {
  border: 0; background: #fff; padding: 6px 12px; font-size: 12.5px; color: var(--c-text-2); font-weight: 600;
}
.lang-switch button.on { background: var(--c-primary); color: #fff; }

.search-toggle, .menu-toggle {
  width: 38px; height: 38px; border-radius: 8px; border: 1px solid var(--c-line);
  background: #fff; display: inline-flex; align-items: center; justify-content: center;
  color: var(--c-primary); flex: none;
}
.menu-toggle { display: none; }

/* ---------------- Hero ---------------- */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(20, 167, 184, .35), transparent 60%),
    radial-gradient(700px 380px at 10% 110%, rgba(18, 81, 143, .55), transparent 60%),
    linear-gradient(135deg, #071f3a 0%, #0b2e55 55%, #123f6d 100%);
}
.hero-inner {
  position: relative; z-index: 2;
  padding: 96px 0 110px; max-width: 720px;
}
.hero-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: 2px; color: #8fd8e0;
  border: 1px solid rgba(143, 216, 224, .4); border-radius: 999px; padding: 5px 14px; margin-bottom: 22px;
}
.hero h1 { font-size: clamp(30px, 4.6vw, 52px); line-height: 1.25; letter-spacing: 1px; }
.hero h1 em { font-style: normal; color: #58cbd8; }
.hero p.lead { margin: 20px 0 34px; font-size: 17px; color: #c4d5e8; max-width: 560px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-grid-bg {
  position: absolute; inset: 0; opacity: .5; z-index: 1; pointer-events: none;
}
.hero-stats {
  position: relative; z-index: 2;
  border-top: 1px solid rgba(255,255,255,.14);
  background: rgba(7, 31, 58, .55);
  backdrop-filter: blur(4px);
}
.hero-stats .container {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 26px 0;
}
.hstat b { display: block; font-size: clamp(24px, 2.6vw, 34px); color: #58cbd8; font-weight: 700; }
.hstat span { font-size: 13px; color: #a9bed4; }

/* 页内 Hero（二级页） */
.page-hero {
  background:
    radial-gradient(700px 300px at 90% -20%, rgba(20,167,184,.30), transparent 60%),
    linear-gradient(120deg, #071f3a, #0d3358 70%, #123f6d);
  color: #fff; padding: 64px 0 58px;
}
.page-hero .crumb { font-size: 13px; color: #9db3ca; margin-bottom: 12px; }
.page-hero .crumb a:hover { color: #fff; }
.page-hero h1 { font-size: clamp(26px, 3.4vw, 38px); }
.page-hero p { color: #c4d5e8; margin-top: 10px; max-width: 640px; }

/* ---------------- 通用 Section ---------------- */
.section { padding: 76px 0; }
.section.alt { background: var(--c-surface); }
.section-head { max-width: 720px; margin-bottom: 44px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-tag {
  display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: 2px;
  color: var(--c-accent); margin-bottom: 10px; text-transform: uppercase;
}
.section-head h2 { font-size: clamp(24px, 3vw, 34px); color: var(--c-primary-dark); line-height: 1.3; }
.section-head p { color: var(--c-text-2); margin-top: 12px; }

.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------------- 业务卡片 ---------------- */
.biz-card {
  position: relative; background: var(--c-surface); border: 1px solid var(--c-line);
  border-radius: var(--radius); padding: 28px 26px 24px; overflow: hidden;
  transition: transform .25s, box-shadow .25s, border-color .25s;
  display: flex; flex-direction: column; gap: 12px;
}
.biz-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: transparent; }
.biz-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: linear-gradient(180deg, var(--c-primary), var(--c-accent));
}
.biz-no { font-size: 13px; font-weight: 700; color: var(--c-accent); letter-spacing: 1px; }
.biz-card h3 { font-size: 19px; color: var(--c-primary-dark); }
.biz-card p { font-size: 14px; color: var(--c-text-2); flex: 1; }
.biz-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.biz-tags span {
  font-size: 12px; color: var(--c-primary); background: #eef4fb;
  border-radius: 4px; padding: 3px 9px;
}
.biz-more { font-size: 13.5px; font-weight: 600; color: var(--c-accent); display: inline-flex; align-items: center; gap: 5px; }
.biz-card:hover .biz-more { text-decoration: underline; }

/* ---------------- 数据 / 优势 ---------------- */
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.stat {
  background: var(--c-surface); border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 26px 22px; text-align: center; box-shadow: var(--shadow-sm);
}
.stat b { font-size: 34px; color: var(--c-primary); font-weight: 700; }
.stat b i { font-style: normal; font-size: 18px; margin-left: 2px; }
.stat span { display: block; margin-top: 6px; font-size: 14px; color: var(--c-text-2); }

.feature { display: flex; gap: 16px; align-items: flex-start; }
.feature .ic {
  width: 46px; height: 46px; border-radius: 12px; flex: none;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent)); color: #fff;
}
.feature h4 { font-size: 16.5px; color: var(--c-primary-dark); margin-bottom: 4px; }
.feature p { font-size: 14px; color: var(--c-text-2); }

/* ---------------- 资质墙 ---------------- */
.cert-wall { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.cert {
  background: var(--c-surface); border: 1px dashed var(--c-line); border-radius: var(--radius);
  padding: 22px 18px; text-align: center; transition: border-color .2s;
}
.cert:hover { border-color: var(--c-accent); }
.cert .seal { width: 52px; height: 52px; margin: 0 auto 12px; color: var(--c-gold); }
.cert b { display: block; font-size: 15px; color: var(--c-primary-dark); }
.cert span { font-size: 12.5px; color: var(--c-text-2); }

/* ---------------- 新闻 ---------------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.news-card {
  background: var(--c-surface); border: 1px solid var(--c-line); border-radius: var(--radius);
  overflow: hidden; transition: transform .25s, box-shadow .25s; display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.news-cover { height: 150px; position: relative; overflow: hidden; }
.news-cover .cover-art { position: absolute; inset: 0; }
.news-cat {
  position: absolute; left: 14px; top: 14px; z-index: 2;
  background: rgba(7,31,58,.78); color: #fff; font-size: 12px; padding: 3px 10px; border-radius: 999px;
}
.news-body { padding: 20px 20px 22px; flex: 1; display: flex; flex-direction: column; }
.news-body time { font-size: 12.5px; color: #8ba0b7; }
.news-body h3 { font-size: 16.5px; margin: 8px 0 10px; color: var(--c-primary-dark); line-height: 1.5; }
.news-body p { font-size: 13.5px; color: var(--c-text-2); flex: 1; }

/* ---------------- CTA 条 ---------------- */
.cta-band {
  background:
    radial-gradient(600px 260px at 80% 0%, rgba(20,167,184,.35), transparent 60%),
    linear-gradient(120deg, #0b2e55, #12518f);
  color: #fff; border-radius: 16px; padding: 44px 48px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.cta-band h2 { font-size: clamp(20px, 2.6vw, 28px); }
.cta-band p { color: #c4d5e8; margin-top: 6px; }

/* ---------------- 流程步骤 ---------------- */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; counter-reset: step; }
.flow-step {
  position: relative; background: var(--c-surface); border: 1px solid var(--c-line);
  border-radius: var(--radius); padding: 20px 16px 18px; text-align: center;
}
.flow-step::before {
  counter-increment: step; content: "0" counter(step);
  display: block; font-size: 22px; font-weight: 800; color: var(--c-accent); margin-bottom: 8px;
}
.flow-step h4 { font-size: 15px; color: var(--c-primary-dark); margin-bottom: 5px; }
.flow-step p { font-size: 12.5px; color: var(--c-text-2); }

/* ---------------- 解决方案 ---------------- */
.sol-block {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 36px; align-items: center;
  padding: 40px 0; border-bottom: 1px solid var(--c-line);
}
.sol-block:last-child { border-bottom: 0; }
.sol-block h3 { font-size: 22px; color: var(--c-primary-dark); margin-bottom: 12px; }
.sol-block h3 small { display: block; font-size: 12.5px; color: var(--c-accent); letter-spacing: 2px; margin-bottom: 6px; }
.sol-block p { color: var(--c-text-2); font-size: 15px; }
.sol-points { margin: 16px 0 22px; display: grid; gap: 9px; }
.sol-points li { position: relative; padding-left: 22px; font-size: 14.5px; color: var(--c-text); }
.sol-points li::before {
  content: ""; position: absolute; left: 0; top: 9px; width: 8px; height: 8px;
  border-radius: 2px; background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
}
.sol-target { display: flex; flex-wrap: wrap; gap: 8px; }
.sol-target span { font-size: 12.5px; background: var(--c-accent-soft); color: #0c7c8a; border-radius: 999px; padding: 4px 12px; }
.sol-visual {
  border-radius: 14px; min-height: 260px; border: 1px solid var(--c-line);
  background: linear-gradient(135deg, #eef4fb, #e3f4f7);
  display: flex; align-items: center; justify-content: center; padding: 18px;
}

/* ---------------- 表单 ---------------- */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-size: 13.5px; font-weight: 600; color: var(--c-primary-dark); margin-bottom: 6px; }
.field label i { color: var(--c-danger); font-style: normal; margin-left: 2px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 14px; border: 1px solid var(--c-line); border-radius: 8px;
  background: #fff; transition: border-color .2s, box-shadow .2s; color: var(--c-text);
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(18, 81, 143, .12);
}
.form-panel {
  background: var(--c-surface); border: 1px solid var(--c-line); border-radius: 14px;
  padding: 34px; box-shadow: var(--shadow-sm);
}
.form-note { font-size: 12.5px; color: #8ba0b7; margin-top: 12px; }
.form-ok {
  display: none; text-align: center; padding: 40px 20px;
}
.form-ok .ok-ic { width: 60px; height: 60px; margin: 0 auto 14px; border-radius: 50%;
  background: #e6f7ee; color: #1e9e5a; display: flex; align-items: center; justify-content: center; }
.form-ok.show { display: block; }

/* ---------------- 弹窗 ---------------- */
.modal-mask {
  position: fixed; inset: 0; z-index: 200; background: rgba(7, 31, 58, .55);
  backdrop-filter: blur(3px); display: none; align-items: center; justify-content: center; padding: 20px;
}
.modal-mask.open { display: flex; }
.modal {
  width: min(560px, 100%); max-height: 88vh; overflow: auto;
  background: #fff; border-radius: 14px; box-shadow: var(--shadow);
  animation: pop .25s ease;
}
@keyframes pop { from { transform: translateY(14px); opacity: 0; } }
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px; border-bottom: 1px solid var(--c-line);
}
.modal-head h3 { font-size: 17px; color: var(--c-primary-dark); }
.modal-close { border: 0; background: none; font-size: 22px; color: #8ba0b7; line-height: 1; }
.modal-body { padding: 24px; }
.modal .form-grid { grid-template-columns: 1fr 1fr; }

/* 登录入口徽标 */
.freight-entry {
  display: inline-flex; align-items: center; gap: 7px;
  color: #ffd98a; font-weight: 600;
}
.freight-entry:hover { color: #ffe9bd; }

/* ---------------- 在线客服 ---------------- */
.chat-fab {
  position: fixed; right: 22px; bottom: 92px; z-index: 150;
  width: 54px; height: 54px; border-radius: 50%; border: 0;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent)); color: #fff;
  box-shadow: 0 10px 24px rgba(18, 81, 143, .4);
  display: flex; align-items: center; justify-content: center;
  transition: transform .2s;
}
.chat-fab:hover { transform: scale(1.08); }
.chat-fab .badge-dot {
  position: absolute; right: 2px; top: 2px; width: 12px; height: 12px;
  background: var(--c-gold); border-radius: 50%; border: 2px solid #fff;
}
.chat-panel {
  position: fixed; right: 22px; bottom: 158px; z-index: 150;
  width: 320px; max-width: calc(100vw - 32px);
  background: #fff; border-radius: 14px; box-shadow: var(--shadow);
  border: 1px solid var(--c-line); overflow: hidden;
  display: none; flex-direction: column;
}
.chat-panel.open { display: flex; animation: pop .25s ease; }
.chat-head {
  background: linear-gradient(120deg, var(--c-primary-dark), var(--c-primary));
  color: #fff; padding: 14px 16px; display: flex; align-items: center; gap: 10px;
}
.chat-head .avatar { width: 34px; height: 34px; border-radius: 50%; background: rgba(255,255,255,.2);
  display: flex; align-items: center; justify-content: center; font-size: 16px; }
.chat-head b { font-size: 14.5px; display: block; }
.chat-head span { font-size: 11.5px; color: #b8cbe0; }
.chat-log { height: 280px; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 10px; background: #f7fafd; }
.msg { max-width: 82%; padding: 9px 13px; border-radius: 12px; font-size: 13.5px; line-height: 1.55; }
.msg.bot { background: #fff; border: 1px solid var(--c-line); border-top-left-radius: 3px; align-self: flex-start; }
.msg.user { background: var(--c-primary); color: #fff; border-top-right-radius: 3px; align-self: flex-end; }
.chat-quick { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 14px 10px; background: #f7fafd; }
.chat-quick button {
  border: 1px solid var(--c-line); background: #fff; border-radius: 999px;
  font-size: 12px; padding: 4px 11px; color: var(--c-primary);
}
.chat-input { display: flex; border-top: 1px solid var(--c-line); }
.chat-input input { flex: 1; border: 0; padding: 12px 14px; font-size: 13.5px; outline: none; }
.chat-input button { border: 0; background: var(--c-accent); color: #fff; padding: 0 18px; font-weight: 600; }

/* ---------------- 搜索浮层 ---------------- */
.search-mask {
  position: fixed; inset: 0; z-index: 210; background: rgba(7, 31, 58, .72);
  backdrop-filter: blur(4px); display: none; padding-top: 12vh; justify-content: center;
}
.search-mask.open { display: flex; }
.search-box { width: min(640px, 92%); height: fit-content; }
.search-box input {
  width: 100%; padding: 16px 20px; font-size: 17px; border-radius: 12px; border: 0; outline: none;
  box-shadow: var(--shadow);
}
.search-results {
  margin-top: 12px; background: #fff; border-radius: 12px; overflow: hidden; max-height: 50vh; overflow-y: auto;
}
.search-results a { display: block; padding: 13px 18px; border-bottom: 1px solid #eef2f7; }
.search-results a:hover { background: #f2f7fc; }
.search-results b { display: block; font-size: 14.5px; color: var(--c-primary-dark); }
.search-results span { font-size: 12.5px; color: var(--c-text-2); }
.search-empty { padding: 22px; text-align: center; color: var(--c-text-2); font-size: 14px; }

/* ---------------- 页脚 ---------------- */
.footer { background: var(--c-primary-deep); color: #9fb6cf; margin-top: 0; }
.footer-main {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; padding: 56px 0 40px;
}
.footer h4 { color: #fff; font-size: 15.5px; margin-bottom: 16px; }
.footer-col li { margin-bottom: 9px; font-size: 13.5px; }
.footer-col a:hover { color: #fff; }
.footer-about p { font-size: 13.5px; line-height: 1.8; margin-top: 12px; }
.footer-contact li { display: flex; gap: 9px; font-size: 13.5px; margin-bottom: 10px; line-height: 1.6; }
.footer-contact svg { flex: none; margin-top: 4px; color: #58cbd8; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding: 18px 0;
  font-size: 12.5px; display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap;
}
.footer-bottom a:hover { color: #fff; }

/* ---------------- 询价悬浮 ---------------- */
.inquiry-fab {
  position: fixed; right: 22px; bottom: 24px; z-index: 150;
  border: 0; border-radius: 999px; padding: 12px 22px;
  background: linear-gradient(120deg, var(--c-gold), #c77f1a); color: #fff; font-weight: 700; font-size: 14.5px;
  box-shadow: 0 10px 24px rgba(217, 154, 43, .45);
  display: inline-flex; align-items: center; gap: 8px; transition: transform .2s;
}
.inquiry-fab:hover { transform: translateY(-3px); }

/* ---------------- 时间线（关于我们） ---------------- */
.timeline { position: relative; padding-left: 26px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: var(--c-line); }
.tl-item { position: relative; padding-bottom: 26px; }
.tl-item::before {
  content: ""; position: absolute; left: -26px; top: 6px; width: 16px; height: 16px;
  border-radius: 50%; background: #fff; border: 4px solid var(--c-accent);
}
.tl-item time { font-weight: 700; color: var(--c-accent); font-size: 14px; }
.tl-item h4 { color: var(--c-primary-dark); font-size: 16px; margin: 3px 0 4px; }
.tl-item p { font-size: 14px; color: var(--c-text-2); }

/* ---------------- 招聘 ---------------- */
.job-item {
  background: var(--c-surface); border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 22px 26px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  transition: box-shadow .2s;
}
.job-item:hover { box-shadow: var(--shadow-sm); }
.job-item h4 { font-size: 16.5px; color: var(--c-primary-dark); }
.job-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 6px; }
.job-meta span { font-size: 12.5px; color: var(--c-text-2); background: #eef4fb; border-radius: 4px; padding: 2px 9px; }
.job-item .btn { margin-left: auto; }

/* ---------------- 联系我们 ---------------- */
.contact-card {
  background: var(--c-surface); border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 26px; display: flex; gap: 16px; align-items: flex-start;
}
.contact-card .ic { width: 46px; height: 46px; flex: none; border-radius: 12px;
  background: var(--c-accent-soft); color: var(--c-accent); display: flex; align-items: center; justify-content: center; }
.contact-card b { display: block; color: var(--c-primary-dark); font-size: 15.5px; margin-bottom: 4px; }
.contact-card p { font-size: 14px; color: var(--c-text-2); line-height: 1.7; }
.map-slot {
  border-radius: 14px; border: 1px solid var(--c-line); min-height: 320px;
  background:
    linear-gradient(rgba(18,81,143,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18,81,143,.06) 1px, transparent 1px),
    linear-gradient(135deg, #eef4fb, #e3f4f7);
  background-size: 34px 34px, 34px 34px, cover;
  display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 10px;
  color: var(--c-text-2); font-size: 14px; text-align: center; padding: 20px;
}

/* ---------------- 动效 ---------------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1020px) {
  .grid-4, .cert-wall, .stat-row { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .hero-stats .container { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(3, 1fr); }
  .sol-block { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .menu-toggle { display: inline-flex; }
  .nav { flex-wrap: wrap; padding: 12px 0; gap: 12px; }
  .nav-links {
    display: none; width: 100%; flex-direction: column; gap: 2px;
    border-top: 1px solid var(--c-line); padding-top: 10px;
  }
  .nav-links.open { display: flex; }
  .nav-links a.nav-item { padding: 11px 10px; }
  .has-sub > .sub-menu {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: 0; padding: 0 0 0 18px; display: none;
  }
  .has-sub.open > .sub-menu { display: block; }
  .grid-2, .grid-3, .grid-4, .cert-wall, .stat-row, .news-grid { grid-template-columns: 1fr; }
  .hero-inner { padding: 64px 0 72px; }
  .hero-stats .container { grid-template-columns: repeat(2, 1fr); }
  .form-grid, .modal .form-grid { grid-template-columns: 1fr; }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 54px 0; }
  .cta-band { padding: 32px 24px; }
  .footer-main { grid-template-columns: 1fr; gap: 26px; padding: 40px 0 28px; }
  .job-item .btn { margin-left: 0; width: 100%; }
  .topbar .container { justify-content: center; }
}

/* ============================================================
   升级版动效系统：照片轮播 / Ken Burns / 视差 / 计数 / 交错入场
   ============================================================ */

/* ---------------- 首页照片轮播 ---------------- */
.hero { position: relative; min-height: 660px; display: flex; flex-direction: column; }
.hero .container:first-of-type { flex: 1; display: flex; align-items: center; }
.hero .hero-inner { padding: 72px 0; }
.hero-stats { margin-top: auto; }
.hero-slider { position: absolute; inset: 0; overflow: hidden; z-index: 1; }
.hero-slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity 1.1s ease;
  background-size: cover; background-position: center;
}
.hero-slide.active { opacity: 1; z-index: 1; }
.hero-slide::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(7,31,58,.88) 22%, rgba(7,31,58,.45) 55%, rgba(7,31,58,.25));
}
.hero-slide .kb {
  position: absolute; inset: -6%;
  background-size: cover; background-position: center;
  transform: scale(1.08);
}
.hero-slide.active .kb { animation: kenburns 7.5s ease-out forwards; }
@keyframes kenburns { from { transform: scale(1.14) translateX(1.5%); } to { transform: scale(1.0) translateX(0); } }
.hero-dots {
  position: absolute; left: 50%; transform: translateX(-50%); bottom: 22px; z-index: 5;
  display: flex; gap: 10px;
}
.hero-dots button {
  width: 34px; height: 4px; border: 0; border-radius: 4px;
  background: rgba(255,255,255,.35); transition: background .3s;
}
.hero-dots button.on { background: #58cbd8; }
.hero .hero-inner, .hero .hero-stats { position: relative; z-index: 3; }
.hero { background: var(--c-primary-deep); }
.hero .container { position: relative; z-index: 3; }
.hero-anim { animation: heroUp .9s cubic-bezier(.2,.7,.2,1) both; }
.hero-anim.d1 { animation-delay: .15s; } .hero-anim.d2 { animation-delay: .3s; } .hero-anim.d3 { animation-delay: .45s; }
@keyframes heroUp { from { opacity: 0; transform: translateY(34px); } }

/* ---------------- 品牌词滚动带 ---------------- */
.marquee-band {
  background: var(--c-primary-dark); color: #8fd8e0; overflow: hidden;
  border-bottom: 1px solid rgba(255,255,255,.08);
  padding: 14px 0; font-size: 14px; letter-spacing: 3px;
}
.marquee-track { display: flex; width: max-content; animation: marquee 26s linear infinite; }
.marquee-band:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { padding: 0 34px; white-space: nowrap; }
.marquee-track i { font-style: normal; color: #d99a2b; padding-right: 34px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------------- 图片视差 ---------------- */
.parallax-box { overflow: hidden; border-radius: 14px; position: relative; }
.parallax-box img {
  width: 100%; height: 110%; object-fit: cover; display: block;
  will-change: transform; transition: none;
}
.parallax-box .ph-cap {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  padding: 34px 22px 18px; color: #fff; font-size: 14px;
  background: linear-gradient(transparent, rgba(7,31,58,.85));
}
.parallax-box .ph-cap b { display: block; font-size: 17px; margin-bottom: 2px; }

/* ---------------- 计数动画 ---------------- */
.stat b .cnt { display: inline-block; font-variant-numeric: tabular-nums; }

/* ---------------- 交错入场变体 ---------------- */
.reveal-left { opacity: 0; transform: translateX(-40px); transition: opacity .7s ease, transform .7s ease; }
.reveal-right { opacity: 0; transform: translateX(40px); transition: opacity .7s ease, transform .7s ease; }
.reveal-zoom { opacity: 0; transform: scale(.94); transition: opacity .7s ease, transform .7s ease; }
.reveal-left.in, .reveal-right.in, .reveal-zoom.in { opacity: 1; transform: none; }

/* ---------------- 实景画廊 ---------------- */
.gallery-grid { display: grid; grid-template-columns: 1.35fr 1fr; grid-template-rows: repeat(2, 240px); gap: 18px; }
.gallery-grid .parallax-box:first-child { grid-row: span 2; }
@media (max-width: 760px) {
  .gallery-grid { grid-template-columns: 1fr; grid-template-rows: repeat(4, 220px); }
  .hero-slider { min-height: 620px; }
}

/* ---------------- 导航徽标图片 ---------------- */
.brand-logo-img { height: 46px; width: auto; display: block; }
.header.scrolled .brand-logo-img { height: 40px; }
.brand-logo-img { transition: height .25s; }
.footer-logo-chip {
  display: inline-flex; align-items: center; gap: 12px;
  background: #fff; border-radius: 10px; padding: 10px 16px;
}
.footer-logo-chip img { height: 34px; }

/* ---------------- 图片卡片 hover 微动 ---------------- */
.img-hover { overflow: hidden; border-radius: var(--radius); }
.img-hover img { transition: transform .8s cubic-bezier(.2,.7,.2,1); }
.img-hover:hover img { transform: scale(1.06); }

/* ---------------- 尊重减少动效偏好 ---------------- */
@media (prefers-reduced-motion: reduce) {
  .hero-slide.active .kb, .marquee-track { animation: none; }
  .reveal, .reveal-left, .reveal-right, .reveal-zoom { opacity: 1; transform: none; transition: none; }
}

/* ---------------- 页面横幅（业务子页实景/意境图） ---------------- */
.page-banner { height: 340px; position: relative; overflow: hidden; }
.page-banner .parallax-box { position: absolute; inset: 0; border-radius: 0; }
.page-banner .ph-cap { text-align: center; padding-bottom: 26px; }
@media (max-width: 760px) { .page-banner { height: 220px; } }
.news-item .cover { position: relative; }
.news-item .cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-dots { bottom: 104px; }

/* ---------------- 品类明细表（矿产品 / 粮食贸易） ---------------- */
.spec-wrap { overflow-x: auto; border-radius: 14px; box-shadow: var(--shadow); background: #fff; }
.spec-table { width: 100%; border-collapse: collapse; font-size: 14.5px; min-width: 640px; }
.spec-table thead th {
  background: var(--c-primary-dark); color: #fff; text-align: left;
  padding: 14px 18px; font-size: 14px; letter-spacing: 1px; white-space: nowrap;
}
.spec-table tbody td { padding: 14px 18px; border-bottom: 1px solid var(--c-line, #e8edf3); vertical-align: top; color: var(--c-text-2); line-height: 1.7; }
.spec-table tbody tr:last-child td { border-bottom: 0; }
.spec-table tbody tr:nth-child(even) { background: #f6f9fc; }
.spec-table tbody tr { transition: background .25s; }
.spec-table tbody tr:hover { background: #eef5fa; }
.spec-table td b { color: var(--c-primary-dark); font-size: 15px; white-space: nowrap; }