/*
Theme Name: 一件代发出海平台
Theme URI: https://example.com
Author: 发货通科技
Author URI: https://example.com
Description: 专为出海卖家打造的一件代发平台主题，零库存启动，全球发货。支持5套配色方案切换、WooCommerce集成、SEO优化、后台控制面板。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GPL-2.0-or-later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: yijiandaifa
Tags: e-commerce, dropshipping, woocommerce, chinese, business
*/

/* ─── 全局变量（由控制面板动态覆盖） ─── */
:root {
  --c-ink: #0e1117;
  --c-ink2: #2d3340;
  --c-ink3: #5a6175;
  --c-ink4: #9aa0b0;
  --c-bg: #f7f8fa;
  --c-white: #ffffff;
  --c-primary: #1a56db;
  --c-primary-d: #1340a8;
  --c-primary-light: #e8f0fe;
  --c-accent: #f97316;
  --c-accent-light: #fff3e8;
  --c-green: #059669;
  --c-green-light: #d1fae5;
  --c-border: rgba(14,17,23,0.10);
  --c-border2: rgba(14,17,23,0.06);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 4px rgba(0,0,0,0.06), 0 0 0 1px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08), 0 0 0 1px rgba(0,0,0,0.04);
}

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

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--c-white);
  color: var(--c-ink);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── 导航 ─── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border2);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-logo {
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.5px;
  color: var(--c-bg);
}

.site-logo span { color: var(--c-primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  color: var(--c-ink3);
  font-weight: 400;
  transition: color .2s;
}

.nav-links a:hover { color: var(--c-ink); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ─── 按钮 ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all .2s;
  border: none;
  font-family: inherit;
}

.btn-ghost {
  background: transparent;
  color: var(--c-ink2);
  border: 1px solid var(--c-border);
}

.btn-ghost:hover { background: var(--c-bg); }

.btn-primary {
  background: var(--c-primary);
  color: #fff;
}

.btn-primary:hover { background: var(--c-primary-d); transform: translateY(-1px); }

.btn-lg {
  padding: 14px 32px;
  font-size: 16px;
  border-radius: var(--radius-lg);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.45);
  color: #fff;
}

.btn-outline:hover { background: rgba(255,255,255,0.12); }

/* ─── 汉堡菜单 ─── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-ink2);
  border-radius: 2px;
  transition: all .3s;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--c-white);
  border-top: 1px solid var(--c-border2);
  padding: 12px 0;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 12px 24px;
  font-size: 15px;
  color: var(--c-ink2);
  border-bottom: 1px solid var(--c-border2);
}
.mobile-menu a:last-child { border-bottom: none; }

/* ─── 通用区块 ─── */
section { padding: 80px 0; }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--c-primary);
  background: var(--c-primary-light);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(24px, 3.5vw, 38px);
  font-weight: 800;
  color: var(--c-ink);
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.section-sub {
  font-size: 16px;
  color: var(--c-ink3);
  margin-top: 12px;
  max-width: 540px;
  line-height: 1.75;
}

/* ─── 页脚 ─── */
.site-footer {
  background: var(--c-white);
  border-top: 1px solid var(--c-border2);
  padding: 40px 0 24px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
}

.footer-brand p {
  font-size: 13px;
  color: var(--c-ink3);
  margin-top: 12px;
  line-height: 1.7;
  max-width: 240px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--c-ink);
  margin-bottom: 14px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-col ul li a {
  font-size: 13px;
  color: var(--c-ink3);
  transition: color .2s;
}

.footer-col ul li a:hover { color: var(--c-primary); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid var(--c-border2);
}

.footer-bottom p { font-size: 12px; color: var(--c-ink4); }

.footer-icp a {
  font-size: 12px;
  color: var(--c-ink4);
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-icp a:hover { color: var(--c-ink3); }

/* ─── 动画 ─── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .5s, transform .5s;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── 响应式 ─── */
@media (max-width: 1024px) {
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions { display: none; }
  .hamburger { display: flex; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
}