/* ============================================================
   猎货通 · site.css
   各业务 section 样式 / 导航 / Hero / 响应式
   （首页与专题页共享）
   ============================================================ */

/* 中文字体栈显式声明：防止豆腐块(□)/缺字；与 base.css 同源，并为表单元素兜底 */
html, body, button, input, textarea, select {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;
}

/* ============ 顶部导航 ============ */
.nav {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 900; font-size: 20px; color: var(--ink); }
.brand .logo {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--primary), #0a2540);
  display: grid; place-items: center; color: #fff; font-weight: 900; font-size: 16px;
}
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { color: var(--text); font-weight: 500; font-size: 15px; }
.nav-links a:hover { color: var(--primary-ink); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; cursor: pointer; }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--ink); color: #fff; padding: 10px 16px; z-index: 100; }
.skip-link:focus { left: 12px; top: 12px; }

/* ============ Hero ============ */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(1100px 500px at 12% -10%, rgba(24,144,255,0.42), transparent 60%),
    radial-gradient(900px 500px at 95% 10%, rgba(82,196,26,0.16), transparent 55%),
    linear-gradient(160deg, #0a2540 0%, #102f54 60%, #0a2540 100%);
  padding: clamp(64px, 9vw, 110px) 0 clamp(56px, 7vw, 88px);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.hero h1 { color: #fff; }
.hero .lead { color: rgba(255,255,255,0.82); font-size: 18px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; }
.hero-trust { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 26px; color: rgba(255,255,255,0.7); font-size: 14px; }
.hero-trust span { display: inline-flex; align-items: center; gap: 7px; }

/* Hero 右侧数据卡 */
.stat-card {
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--radius-lg); padding: 26px; backdrop-filter: blur(6px);
}
.stat-card h2 { color: #fff; font-size: 14px; font-weight: 600; opacity: 0.8; margin-bottom: 18px; letter-spacing: 1px; }
.stat-row { display: flex; align-items: baseline; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.12); }
.stat-row:last-child { border-bottom: none; }
.stat-num { font-size: 30px; font-weight: 900; color: #fff; }
.stat-num small { font-size: 15px; font-weight: 700; }
.stat-label { font-size: 13px; color: rgba(255,255,255,0.7); max-width: 150px; text-align: right; }

/* ============ 痛点 ============ */
.pain { background: #fff; }
.pain-item { display: flex; gap: 14px; align-items: flex-start; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius-md); }
.pain-item .pin { flex: 0 0 auto; width: 30px; height: 30px; border-radius: 50%; background: #fff1f0; color: var(--danger); display: grid; place-items: center; font-weight: 800; font-size: 14px; }
.pain-item h4 { margin: 0 0 4px; font-size: 16px; color: var(--ink); }
.pain-item p { margin: 0; font-size: 14px; color: var(--text-2); }

/* ============ 核心差异化：谁付运费 ============ */
.who { background: linear-gradient(180deg, #f5f7fa 0%, #eef3f9 100%); }
.campaign-table { width: 100%; border-collapse: collapse; margin-top: 22px; background: #fff; border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-card); }
.campaign-table th, .campaign-table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line); font-size: 14px; }
.campaign-table thead th { background: var(--ink); color: #fff; font-weight: 700; }
.campaign-table tbody tr:last-child td { border-bottom: none; }
.tag { display: inline-block; font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 999px; }
.tag-cn { background: var(--primary); color: #fff; }
.tag-vn { background: #fff; color: var(--primary-ink); border: 1.5px solid var(--primary); }

/* ============ 五环 ============ */
.wuhuan { background: var(--ink); color: #fff; }
.wuhuan h2, .wuhuan .eyebrow { color: #fff; }
.wuhuan .eyebrow { background: rgba(255,255,255,0.12); color: #cfe4ff; }
.wuhuan .lead { color: rgba(255,255,255,0.78); }
.rings { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: 40px; }
.ring {
  position: relative; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--radius-md); padding: 22px 16px; text-align: center;
}
.ring .num {
  width: 44px; height: 44px; margin: 0 auto 12px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 900; font-size: 18px;
  background: var(--primary); color: #fff;
}
.ring h4 { color: #fff; font-size: 16px; margin-bottom: 6px; }
.ring p { color: rgba(255,255,255,0.72); font-size: 13px; margin: 0; }
.ring .q { color: var(--warning); font-weight: 700; font-size: 12px; display: block; margin-bottom: 4px; }
.ring-arrow { display: none; }

/* ============ 今日猎单示意 ============ */
.demo-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-pop); overflow: hidden; max-width: 760px; margin: 0 auto;
}
.demo-head { background: var(--ink); color: #fff; padding: 16px 22px; display: flex; justify-content: space-between; align-items: center; }
.demo-head b { font-size: 16px; }
.demo-badge { font-size: 12px; background: rgba(255,255,255,0.16); padding: 3px 10px; border-radius: 999px; }
.demo-row { padding: 18px 22px; border-bottom: 1px solid var(--line); }
.demo-row:last-child { border-bottom: none; }
.demo-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.demo-co { font-weight: 800; color: var(--ink); font-size: 16px; }
.demo-meta { display: flex; gap: 18px; flex-wrap: wrap; margin: 10px 0; font-size: 13px; color: var(--text-2); }
.demo-meta b { color: var(--text); }
.demo-talk { background: #f0f7ff; border-left: 3px solid var(--primary); padding: 10px 14px; border-radius: 0 8px 8px 0; font-size: 14px; color: var(--ink); }

/* ============ 价格 ============ */
.price { background: #fff; }
.price-card {
  max-width: 560px; margin: 0 auto; background: linear-gradient(160deg, #0a2540, #102f54);
  color: #fff; border-radius: var(--radius-lg); padding: 38px 34px; text-align: center;
  box-shadow: var(--shadow-pop);
}
.price-card .big { font-size: 52px; font-weight: 900; line-height: 1; }
.price-card .big small { font-size: 18px; font-weight: 700; opacity: 0.85; }
.price-card .eq { font-size: 15px; opacity: 0.85; margin: 10px 0 22px; }
.price-list { text-align: left; margin: 0 auto 24px; max-width: 380px; }
.price-list li { list-style: none; padding: 7px 0 7px 28px; position: relative; font-size: 14px; color: rgba(255,255,255,0.9); }
.price-list li::before { content: "✓"; position: absolute; left: 0; color: var(--success); font-weight: 900; }
.price-note { font-size: 13px; color: rgba(255,255,255,0.66); margin-top: 8px; }

/* ============ 数据方法论 ============ */
.data-method { background: linear-gradient(180deg,#eef3f9,#f5f7fa); }
.method-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; margin-top: 26px; }
.method { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); padding: 22px; text-align: center; }
.method .m-num { font-size: 28px; font-weight: 900; color: var(--primary-ink); }
.method .m-label { font-size: 13px; color: var(--text-2); margin-top: 4px; }

/* ============ 专题页附加样式 ============ */
/* 口径卡片 / 流程 / 标注条 */
.spec-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 26px; }
.spec { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); padding: 24px; }
.spec h3 { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.spec h3 .k { flex: 0 0 auto; width: 30px; height: 30px; border-radius: 8px; background: var(--primary); color: #fff; display: grid; place-items: center; font-weight: 900; font-size: 14px; }
.spec p { color: var(--text-2); font-size: 15px; margin: 0 0 8px; }
.spec ul { margin: 0; padding-left: 20px; color: var(--text-2); font-size: 14px; }
.spec ul li { margin-bottom: 6px; }

/* 数据来源步骤 */
.flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 26px; }
.flow-step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); padding: 22px; position: relative; }
.flow-step .n { font-size: 13px; font-weight: 800; color: var(--primary-ink); letter-spacing: 1px; }
.flow-step h4 { margin: 6px 0 8px; color: var(--ink); font-size: 16px; }
.flow-step p { color: var(--text-2); font-size: 14px; margin: 0; }

/* 合规红线 / 数据说明条 */
.notice {
  border-radius: var(--radius-md); padding: 18px 22px; margin-top: 30px;
  background: #fff7e6; border: 1px solid #ffe7ba; color: #874d00; font-size: 14px;
}
.notice b { color: #613400; }
.notice.blue { background: #f0f7ff; border-color: #bae0ff; color: #0050b3; }
.notice.blue b { color: #003a8c; }

/* 面包屑 */
.crumb { font-size: 14px; color: var(--text-2); margin-bottom: 18px; }
.crumb a { color: var(--primary-ink); }

/* ============ FAQ ============ */
.faq { background: #fff; }
.faq details { border: 1px solid var(--line); border-radius: var(--radius-md); padding: 0 20px; margin-bottom: 12px; background: #fff; }
.faq summary { cursor: pointer; padding: 18px 0; font-weight: 700; color: var(--ink); font-size: 16px; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 22px; color: var(--primary-ink); font-weight: 700; }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 0 18px; color: var(--text-2); font-size: 15px; margin: 0; }

/* ============ 联系 CTA ============ */
.cta { background: linear-gradient(160deg, #0a2540, #102f54); color: #fff; text-align: center; }
.cta h2, .cta .eyebrow { color: #fff; }
.cta .eyebrow { background: rgba(255,255,255,0.12); color: #cfe4ff; }
.cta .lead { color: rgba(255,255,255,0.8); margin-left: auto; margin-right: auto; }
.form {
  max-width: 560px; margin: 30px auto 0; background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.18); border-radius: var(--radius-lg); padding: 26px; text-align: left;
}
.form .field { margin-bottom: 16px; }
.form label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: #fff; }
.form input, .form textarea {
  width: 100%; padding: 12px 14px; border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.95); font-family: var(--font); font-size: 15px; color: var(--ink);
}
.form input:focus, .form textarea:focus { outline: 3px solid var(--primary); }
.form .hint { font-size: 13px; color: rgba(255,255,255,0.65); margin-top: 12px; text-align: center; }
.form-ok { display: none; background: rgba(82,196,26,0.18); border: 1px solid var(--success); color: #d6ffd0; padding: 14px; border-radius: var(--radius-sm); margin-bottom: 16px; font-size: 14px; }

/* ============ Footer ============ */
.footer { background: #06182c; color: rgba(255,255,255,0.7); padding: 48px 0 30px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; }
.footer h3 { color: #fff; font-size: 15px; margin: 0 0 14px; }
.footer a { color: rgba(255,255,255,0.7); }
.footer a:hover { color: #fff; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer ul li { padding: 5px 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); margin-top: 32px; padding-top: 20px; font-size: 13px; color: rgba(255,255,255,0.5); }
.footer-icp { margin-top: 8px; }
.footer-icp a { color: rgba(255,255,255,0.55); }
.footer-icp a:hover { color: #fff; }

/* ============ 响应式 ============ */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .method-grid { grid-template-columns: repeat(2, 1fr); }
  .spec-grid { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .rings { grid-template-columns: 1fr; gap: 12px; }
  .ring-arrow { display: block; text-align: center; color: rgba(255,255,255,0.4); font-size: 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0; background: #fff; flex-direction: column; gap: 0; padding: 8px 20px 16px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow-pop); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--line); width: 100%; }
  .nav-toggle { display: block; }
  .nav-cta .btn-outline { display: none; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .method-grid { grid-template-columns: 1fr 1fr; }
  .spec-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .campaign-table { font-size: 13px; }
  .campaign-table th, .campaign-table td { padding: 10px 10px; }
}
@media (max-width: 460px) {
  .method-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   欧易 · 扩展组件（沿用猎货通同一套设计令牌，复用为主、补充为辅）
   ============================================================ */

/* 居中式 Hero（产品页 / 关于页 / 联系页） */
.hero--center { text-align: center; }
.hero--center .hero-grid { grid-template-columns: 1fr; text-align: center; }
.hero--center .lead { margin-left: auto; margin-right: auto; }
.hero--center .hero-actions { justify-content: center; }
.hero--center .hero-trust { justify-content: center; }

/* 首页两大核心模块 */
.module-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 36px; }
.module {
  position: relative; overflow: hidden; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 34px 30px; box-shadow: var(--shadow-card);
  transition: transform 0.18s ease, box-shadow 0.18s ease; display: flex; flex-direction: column;
}
.module:hover { transform: translateY(-4px); box-shadow: var(--shadow-pop); }
.module .m-ic {
  width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-ink)); color: #fff; margin-bottom: 18px;
}
.module h3 { font-size: 22px; margin-bottom: 10px; }
.module p { color: var(--text-2); font-size: 15px; margin: 0 0 18px; flex: 1; }
.module .m-link { font-weight: 700; color: var(--primary-ink); display: inline-flex; align-items: center; gap: 6px; }
.module .m-link svg { transition: transform 0.18s ease; }
.module:hover .m-link svg { transform: translateX(4px); }
.module .m-bg {
  position: absolute; right: -40px; top: -40px; width: 180px; height: 180px; border-radius: 50%;
  background: radial-gradient(circle, rgba(24,144,255,0.10), transparent 70%); pointer-events: none;
}

/* 全球覆盖：大区卡片 */
.region-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 30px; }
.region { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); padding: 22px; }
.region h3 { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; font-size: 17px; }
.region h3 .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--primary); }
.region ul { margin: 0; padding-left: 18px; color: var(--text-2); font-size: 14px; }
.region ul li { margin-bottom: 4px; }

/* 信任指标横条 */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 30px; }
.metric { text-align: center; padding: 22px 14px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); }
.metric .v { font-size: 34px; font-weight: 900; color: var(--primary-ink); line-height: 1; }
.metric .v small { font-size: 16px; }
.metric .k { font-size: 14px; color: var(--text-2); margin-top: 8px; }

/* 外贸全产业链 */
.chain { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 28px; }
.chain .node { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); padding: 24px; text-align: center; }
.chain .node .ic { width: 48px; height: 48px; border-radius: 12px; background: rgba(24,144,255,0.1); color: var(--primary-ink); display: grid; place-items: center; margin: 0 auto 14px; }
.chain .node h3 { margin-bottom: 6px; }
.chain .node p { color: var(--text-2); font-size: 14px; margin: 0; }

/* 联系页信息卡 */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 30px; align-items: start; }
.info-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-card); }
.info-card h3 { margin-bottom: 16px; }
.info-row { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.info-row:last-child { border-bottom: none; }
.info-row .lbl { flex: 0 0 84px; color: var(--text-2); }
.info-row .val { color: var(--ink); font-weight: 600; }

/* 响应式补充 */
@media (max-width: 980px) {
  .module-grid { grid-template-columns: 1fr; }
  .region-grid { grid-template-columns: repeat(2, 1fr); }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .chain { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .region-grid { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: 1fr 1fr; }
}

/* ============ 导航下拉（产品服务 → 两大模块） ============ */
.has-menu { position: relative; }
.has-menu > a::after { content: "\25BE"; font-size: 10px; margin-left: 5px; opacity: .6; }
.submenu {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(8px);
  min-width: 184px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md);
  box-shadow: var(--shadow-pop); padding: 8px; opacity: 0; visibility: hidden; transition: all .16s ease; z-index: 60;
}
.has-menu:hover > .submenu, .has-menu:focus-within > .submenu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.submenu a { display: block; padding: 10px 14px; border-radius: var(--radius-sm); color: var(--text); font-size: 15px; font-weight: 500; white-space: nowrap; }
.submenu a:hover { background: rgba(24,144,255,0.08); color: var(--primary-ink); }
@media (max-width: 720px) {
  .has-menu > a::after { content: ""; }
  .submenu { position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; border: none; padding: 0 0 8px 12px; min-width: 0; }
  .submenu a { padding: 8px 0; border-bottom: none; }
}