/* ============ 全局变量与主题（浅色商务风） ============ */
:root {
  --primary: #2563eb;          /* 主色：清爽商务蓝 */
  --primary-dark: #1d4ed8;
  --primary-soft: #eff4ff;     /* 主色浅底 */
  --accent: #f59e0b;           /* 强调色：暖金 */
  --accent-dark: #d97706;
  --accent-soft: #fff7e6;
  --bg: #f6f8fb;               /* 页面浅灰蓝底 */
  --bg-card: #ffffff;
  --text: #1f2937;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-xs: 0 1px 2px rgba(16,24,40,.04);
  --shadow-sm: 0 1px 3px rgba(16,24,40,.06), 0 1px 2px rgba(16,24,40,.04);
  --shadow: 0 10px 30px rgba(16,24,40,.08);
  --shadow-lg: 0 20px 50px rgba(16,24,40,.12);
  --maxw: 1200px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; }

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

/* ============ 顶部通知栏 ============ */
.topbar {
  background: var(--primary-dark);
  color: rgba(255,255,255,.92);
  font-size: 13px;
  padding: 8px 0;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.topbar a { color: rgba(255,255,255,.82); margin-left: 16px; transition: color .2s; }
.topbar a:hover { color: #fff; }

/* ============ 导航 ============ */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 19px; letter-spacing: .2px; }
.logo .mark {
  width: 42px; height: 42px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #60a5fa);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 20px;
}
.logo .logo-img {
  width: 48px; height: 48px; border-radius: 12px; object-fit: contain;
  background: #fff; padding: 3px; box-shadow: var(--shadow-sm); flex-shrink: 0;
}
.logo small { display: block; font-weight: 500; font-size: 10px; color: var(--text-muted); letter-spacing: 1.5px; margin-top: 1px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { font-weight: 500; font-size: 15px; color: var(--text); position: relative; padding: 6px 0; transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--primary); }
.nav-links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 3px; background: var(--primary); border-radius: 2px;
}
.lang-switch { display: flex; gap: 3px; border: 1px solid var(--border); border-radius: 9px; padding: 3px; background: #fff; }
.lang-switch button {
  border: none; background: transparent; cursor: pointer;
  font-size: 13px; padding: 5px 10px; border-radius: 7px; color: var(--text-muted); transition: all .2s;
}
.lang-switch button.active { background: var(--primary); color: #fff; box-shadow: var(--shadow-xs); }
.nav-cta { margin-left: 8px; }
.hamburger { display: none; border: none; background: none; cursor: pointer; font-size: 26px; color: var(--text); }

/* ============ 按钮 ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px; border-radius: 10px; font-weight: 600; font-size: 15px;
  cursor: pointer; border: none; transition: all .25s; line-height: 1.4;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(37,99,235,.25); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(37,99,235,.32); }
.btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.55); }
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn-blue { background: var(--primary); color: #fff; }
.btn-blue:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(37,99,235,.28); }
.btn-ghost { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-ghost:hover { background: var(--primary); color: #fff; }
.btn-lg { padding: 15px 34px; font-size: 16px; }

/* ============ Hero ============ */
.hero {
  position: relative;
  background: linear-gradient(135deg, #0f2557 0%, #1d4ed8 55%, #2563eb 100%);
  color: #fff;
  padding: 88px 0 108px;
  overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; right: -100px; top: -100px;
  width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(96,165,250,.35), transparent 70%);
}
.hero::before {
  content: ""; position: absolute; left: -60px; bottom: -80px;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.08), transparent 70%);
}
.hero .container { position: relative; z-index: 2; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero-badge {
  display: inline-block; background: rgba(245,158,11,.18); color: #fcd9a0;
  border: 1px solid rgba(245,158,11,.4); padding: 6px 16px; border-radius: 20px;
  font-size: 13px; margin-bottom: 22px;
}
.hero h1 { font-size: 46px; line-height: 1.28; font-weight: 800; margin-bottom: 20px; letter-spacing: .5px; }
.hero h1 span { color: #fcd34d; }
.hero p { font-size: 17px; color: #dbe6fb; max-width: 560px; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 44px; }
.stat { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15); border-radius: 14px; padding: 18px; backdrop-filter: blur(4px); }
.stat b { font-size: 30px; color: #fcd34d; display: block; line-height: 1.2; }
.stat span { font-size: 13px; color: #d5e1f8; }
.hero-visual {
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.16);
  border-radius: 20px; padding: 28px; backdrop-filter: blur(6px);
  box-shadow: 0 20px 50px rgba(0,0,0,.18);
}
.hero-visual h3 { font-size: 16px; margin-bottom: 16px; color: #fcd9a0; }
.hero-img {
  width: 100%; height: 200px; object-fit: cover; border-radius: 14px;
  margin-bottom: 18px; border: 1px solid rgba(255,255,255,.2);
}
.route-item {
  display: flex; align-items: center; gap: 12px; padding: 13px 14px;
  background: rgba(255,255,255,.09); border-radius: 11px; margin-bottom: 10px;
  border: 1px solid rgba(255,255,255,.08);
}
.route-item .dot { width: 10px; height: 10px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 3px rgba(52,211,153,.2); flex-shrink: 0; }
.route-item .icons { font-size: 20px; color: #fcd34d; }
.route-item .icons svg { width: 22px; height: 22px; display: block; }
.route-item b { font-size: 14px; }
.route-item span { font-size: 12px; color: #cfe0f7; display: block; }

/* ============ 区块通用 ============ */
.section { padding: 80px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.section-head .kicker { color: var(--primary); font-weight: 700; font-size: 13px; letter-spacing: 2px; text-transform: uppercase; }
.section-head h2 { font-size: 34px; font-weight: 800; margin: 12px 0 14px; letter-spacing: .3px; }
.section-head p { color: var(--text-muted); font-size: 16px; }

/* 卡片 */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 24px; }
.card {
  background: var(--bg-card); border-radius: var(--radius);
  padding: 30px; box-shadow: var(--shadow-sm); border: 1px solid var(--border);
  transition: all .3s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: #dbe4f5; }
.card .icon {
  width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-size: 26px; margin-bottom: 18px; background: var(--primary-soft);
  color: var(--primary);
}
.card .icon svg { width: 28px; height: 28px; }
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { color: var(--text-muted); font-size: 14px; }
.card-img {
  width: 100%; height: 180px; object-fit: cover; border-radius: 12px;
  margin-bottom: 20px;
}
.service-card { overflow: hidden; }
.about-img {
  width: 100%; height: 260px; object-fit: cover; border-radius: 12px;
  margin-bottom: 24px;
}
/* 联系方式图标 */
.ci {
  width: 22px; height: 22px; flex-shrink: 0; color: var(--primary);
  display: inline-flex; align-items: center; justify-content: center;
}
.ci svg { width: 22px; height: 22px; }
.ci-white {
  width: 20px; height: 20px; flex-shrink: 0; color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
}
.ci-white svg { width: 20px; height: 20px; }
.ci-foot { color: #fcd34d; width: 18px; height: 18px; }
.ci-foot svg { width: 18px; height: 18px; }

/* ============ 页面横幅（内页） ============ */
.page-banner {
  background: linear-gradient(135deg, #0f2557, #1d4ed8);
  color: #fff; padding: 60px 0; text-align: center; position: relative; overflow: hidden;
}
.page-banner::after {
  content: ""; position: absolute; right: -80px; top: -80px; width: 300px; height: 300px;
  border-radius: 50%; background: radial-gradient(circle, rgba(96,165,250,.3), transparent 70%);
}
.page-banner h1 { font-size: 38px; font-weight: 800; }
.page-banner p { color: #d5e1f8; margin-top: 10px; }
.breadcrumb { font-size: 13px; color: #a9c2e8; margin-bottom: 14px; }
.page-banner.has-bg { background-size: cover; background-position: center; background-repeat: no-repeat; }
.page-banner.has-bg::after { opacity: .4; }
.page-banner .container { position: relative; z-index: 1; }
.breadcrumb a { color: #d5e1f8; }

/* ============ 产品分类 ============ */
.category-tabs { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 40px; }
.category-tabs button {
  border: 1px solid var(--border); background: #fff; padding: 9px 20px;
  border-radius: 24px; cursor: pointer; font-size: 14px; color: var(--text-muted);
  transition: all .2s;
}
.category-tabs button.active, .category-tabs button:hover { background: var(--primary); color: #fff; border-color: var(--primary); box-shadow: 0 4px 12px rgba(37,99,235,.2); }
.product-card { overflow: hidden; }
.product-card .thumb {
  height: 170px; background: linear-gradient(135deg, #f0f5ff, #e3edfb);
  display: flex; align-items: center; justify-content: center; font-size: 48px;
  overflow: hidden;
}
.product-card .thumb img {
  width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s;
}
.product-card:hover .thumb img { transform: scale(1.05); }
.product-card .body { padding: 20px; }
.product-card .tag { font-size: 12px; color: var(--primary); font-weight: 600; }
.product-card h3 { font-size: 17px; margin: 6px 0 8px; }
.product-card p { font-size: 13px; color: var(--text-muted); margin-bottom: 14px; }
.product-card .foot { display: flex; justify-content: space-between; align-items: center; }
.price { color: var(--accent-dark); font-weight: 700; }
.btn-sm { padding: 8px 16px; font-size: 13px; border-radius: 8px; }

/* ============ 物流表格 ============ */
.pricing-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border); }
.pricing-table th, .pricing-table td { padding: 16px 18px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; }
.pricing-table th { background: var(--primary); color: #fff; font-weight: 600; }
.pricing-table tr:last-child td { border-bottom: none; }
.pricing-table tr:hover td { background: #f5f9ff; }
.pricing-table .mode { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; }
.mode-ic { font-size: 22px; color: var(--primary); }
.mode-ic svg { width: 22px; height: 22px; display: block; }
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: 12px; font-weight: 600;
}
.badge-green { background: #e7f7ee; color: #168a4b; }
.badge-orange { background: #fff3e0; color: #b45309; }
.badge-blue { background: #e7effc; color: #1d4ed8; }

/* ============ 表单 ============ */
.form-card { background: #fff; border-radius: var(--radius); padding: 36px; box-shadow: var(--shadow); border: 1px solid var(--border); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 7px; color: var(--text); }
.form-group label .req { color: #e11d48; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px;
  font-size: 14px; font-family: inherit; background: #fafbfc; transition: border .2s, box-shadow .2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--primary); background: #fff;
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 12px; color: var(--text-muted); margin-top: 6px; }

/* ============ 步骤 / 流程 ============ */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step { text-align: center; position: relative; padding: 0 8px; }
.step .num {
  width: 56px; height: 56px; border-radius: 50%; margin: 0 auto 16px;
  background: var(--primary-soft); color: var(--primary); font-weight: 800; font-size: 22px;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--primary);
}
.step h4 { font-size: 16px; margin-bottom: 8px; }
.step p { font-size: 13px; color: var(--text-muted); }

/* ============ CTA 横幅 ============ */
.cta-band {
  background: linear-gradient(135deg, #f59e0b, #fbbf24);
  color: #fff; padding: 64px 0; text-align: center;
}
.cta-band h2 { font-size: 32px; font-weight: 800; margin-bottom: 12px; }
.cta-band p { margin-bottom: 28px; opacity: .95; }

/* ============ 页脚 ============ */
.footer { background: #111827; color: #c3d0e0; padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 40px; }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.footer a { color: #c3d0e0; display: block; margin-bottom: 10px; font-size: 14px; transition: color .2s; }
.footer a:hover { color: #fcd34d; }
.footer .logo { color: #fff; margin-bottom: 16px; }
.footer .contact-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; font-size: 14px; }
.footer .contact-item span:first-child { color: #fcd34d; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 40px; padding: 20px 0; font-size: 13px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ============ 弹窗 ============ */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(17,24,39,.55); z-index: 200;
  display: none; align-items: center; justify-content: center; padding: 20px;
}
.modal-overlay.show { display: flex; }
.modal { background: #fff; border-radius: var(--radius); padding: 32px; max-width: 520px; width: 100%; position: relative; max-height: 90vh; overflow: auto; box-shadow: var(--shadow-lg); }
.modal .close { position: absolute; top: 16px; right: 18px; border: none; background: none; font-size: 26px; cursor: pointer; color: var(--text-muted); }
.modal h3 { font-size: 22px; margin-bottom: 6px; }
.modal .sub { color: var(--text-muted); font-size: 14px; margin-bottom: 22px; }

/* ============ Toast ============ */
.toast {
  position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: #111827; color: #fff; padding: 14px 24px; border-radius: 10px;
  font-size: 14px; z-index: 300; opacity: 0; pointer-events: none; transition: all .3s;
  box-shadow: var(--shadow-lg);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ============ 响应式 ============ */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 34px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links {
    position: fixed; top: 72px; left: 0; right: 0; background: #fff;
    flex-direction: column; padding: 24px; gap: 18px; border-bottom: 1px solid var(--border);
    display: none; box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .hamburger { display: block; }
  .lang-switch { order: -1; }
  .nav-cta { margin-left: 0; width: 100%; }
}
@media (max-width: 600px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 56px 0 68px; }
  .section { padding: 56px 0; }
  .hero-stats { grid-template-columns: 1fr; }
  .section-head h2 { font-size: 26px; }
  .pricing-table { display: block; overflow-x: auto; white-space: nowrap; }
  .container { padding: 0 18px; }
  .btn-lg { width: 100%; }
  .hero-actions .btn { flex: 1; }
}

/* ============ 带背景图的区块（首页增强） ============ */
.sec-bg {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: #fff;
}
.sec-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
}
.sec-bg .container {
  position: relative;
  z-index: 1;
}
/* 核心优势：仓储场景 + 深蓝遮罩 */
.sec-adv {
  background-image: url('../assets/warehouse.jpg');
}
.sec-adv::before {
  background: linear-gradient(135deg, rgba(10,25,60,.92), rgba(23,55,110,.82));
}
.sec-adv .section-head .kicker { color: #93c5fd; }
.sec-adv .section-head h2 { color: #fff; }
.sec-adv .section-head p { color: #cbd9f2; }
.sec-adv .card {
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 8px 24px rgba(0,0,0,.15);
}
.sec-adv .card .icon {
  background: rgba(255,255,255,.15);
  color: #ffd76a;
}
.sec-adv .card h3 { color: #fff; }
.sec-adv .card p { color: #cbd9f2; }
/* 合作流程：陆运卡车 + 深蓝遮罩 */
.sec-process {
  background-image: url('../assets/land-truck.jpg');
}
.sec-process::before {
  background: linear-gradient(135deg, rgba(10,25,60,.93), rgba(23,55,110,.85));
}
.sec-process .section-head .kicker { color: #93c5fd; }
.sec-process .section-head h2 { color: #fff; }
.sec-process .step .num {
  background: rgba(255,255,255,.15);
  color: #ffd76a;
  border-color: rgba(255,255,255,.5);
}
.sec-process .step h4 { color: #fff; }
.sec-process .step p { color: #cbd9f2; }
/* CTA：全球网络 + 暖橙遮罩 */
.sec-cta {
  background: linear-gradient(135deg, rgba(180,83,9,.78), rgba(217,119,6,.72)), url('../assets/global-network.jpg') center / cover no-repeat;
}
.sec-cta::before {
  background: none;
}

/* ============ 数据背书区 ============ */
.data-band { background: #fff; }
.data-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  max-width: 1000px; margin: 0 auto;
}
.data-item {
  text-align: center; padding: 28px 16px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: linear-gradient(135deg, #f8faff, #eef4ff);
  transition: transform .3s, box-shadow .3s;
}
.data-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.data-item b {
  display: block; font-size: 34px; font-weight: 800; color: var(--primary);
  margin-bottom: 6px; letter-spacing: .5px;
}
.data-item span { font-size: 14px; color: var(--text-muted); }

/* ============ 买家视角 6 环节 ============ */
.sec-buyer {
  background-image: url('../assets/products-export.jpg');
}
.sec-buyer::before {
  background: linear-gradient(135deg, rgba(10,25,60,.93), rgba(23,55,110,.86));
}
.sec-buyer .section-head .kicker { color: #93c5fd; }
.sec-buyer .section-head h2 { color: #fff; }
.sec-buyer .section-head .promise {
  color: #dbe6f7; font-size: 17px; max-width: 760px; margin: 0 auto;
}
.buyer-steps {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
  margin-top: 48px;
}
.bstep {
  position: relative; padding: 26px 24px;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  transition: transform .3s, background .3s;
}
.bstep:hover { transform: translateY(-5px); background: rgba(255,255,255,.16); }
.bnum {
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 800; color: #ffd76a;
  background: rgba(255,215,106,.15);
  border: 1px solid rgba(255,215,106,.4);
  border-radius: 8px; padding: 4px 10px; margin-bottom: 16px;
}
.bstep h4 { color: #fff; font-size: 19px; margin-bottom: 8px; }
.bstep b { display: block; color: #ffd76a; font-size: 15px; margin-bottom: 8px; font-weight: 700; }
.bstep p { color: #cbd9f2; font-size: 14px; }

/* ============ 供应商视角 3 卖点 ============ */
.sec-supplier {
  background-image: url('../assets/warehouse.jpg');
}
.sec-supplier::before {
  background: linear-gradient(135deg, rgba(10,25,60,.93), rgba(23,55,110,.86));
}
.sec-supplier .section-head .kicker { color: #93c5fd; }
.sec-supplier .section-head h2 { color: #fff; }
.sec-supplier .section-head .promise {
  color: #dbe6f7; font-size: 17px; max-width: 760px; margin: 0 auto;
}
.supplier-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  margin-top: 48px;
}
.sup-card {
  padding: 32px 26px; text-align: center;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  transition: transform .3s, background .3s;
}
.sup-card:hover { transform: translateY(-5px); background: rgba(255,255,255,.16); }
.sup-ic {
  width: 60px; height: 60px; border-radius: 16px; margin: 0 auto 18px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,215,106,.15); color: #ffd76a;
  border: 1px solid rgba(255,215,106,.4);
}
.sup-ic svg { width: 28px; height: 28px; }
.sup-card h3 { color: #fff; font-size: 19px; margin-bottom: 10px; }
.sup-card p { color: #cbd9f2; font-size: 14px; line-height: 1.7; }

/* ============ 定位概念 ============ */
.concept-band {
  background: linear-gradient(135deg, #0f2557, #1d4ed8);
  color: #fff; text-align: center;
}
.concept-band .section-head { margin-bottom: 0; }
.concept-band .section-head .kicker { color: #93c5fd; }
.concept-band .section-head h2 {
  color: #fff; font-size: 40px;
  background: linear-gradient(90deg, #ffd76a, #fbbf24);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.concept-sub { font-size: 18px; color: #cbd9f2; margin-top: 6px; }
.concept-tagline { font-size: 16px; color: #ffd76a; margin-top: 18px; font-weight: 600; letter-spacing: .5px; }

/* ============ 结尾双 CTA ============ */
.sec-cta2 {
  background-image: url('../assets/hero-crossborder.jpg');
}
.sec-cta2::before {
  background: linear-gradient(135deg, rgba(10,25,60,.90), rgba(23,55,110,.82));
}
.cta2-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 28px;
  max-width: 980px; margin: 0 auto;
}
.cta2-card {
  padding: 46px 40px; border-radius: 20px;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  text-align: center;
}
.cta2-card h2 { color: #fff; font-size: 26px; margin-bottom: 10px; font-weight: 800; }
.cta2-card p { color: #cbd9f2; font-size: 15px; margin-bottom: 24px; }
.cta2-tag {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 1px;
  color: #93c5fd; margin-bottom: 14px; text-transform: uppercase;
}
.cta2-buyer { border-top: 4px solid #ffd76a; }
.cta2-supplier { border-top: 4px solid #60a5fa; }
.cta2-btn2 { background: #fff; color: #1d4ed8; }
.cta2-btn2:hover { background: #eff4ff; }

/* 响应式：新增区块 */
@media (max-width: 960px) {
  .data-grid { grid-template-columns: repeat(2, 1fr); }
  .buyer-steps { grid-template-columns: repeat(2, 1fr); }
  .supplier-grid { grid-template-columns: 1fr; }
  .cta2-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .data-grid { grid-template-columns: 1fr; }
  .buyer-steps { grid-template-columns: 1fr; }
  .concept-band .section-head h2 { font-size: 30px; }
}