/* ============================================================
   广州跨境电商阳光化服务平台 - 门户原型公共样式
   ============================================================ */
:root {
  --primary: #0B4EA2;
  --primary-dark: #093B7D;
  --primary-light: #EAF2FC;
  --accent: #F5A623;
  --accent-dark: #E08E0B;
  --red: #D7382E;
  --text: #22293A;
  --text-sub: #5A6478;
  --text-light: #8B94A7;
  --bg: #F5F7FA;
  --card: #FFFFFF;
  --border: #E4E9F0;
  --success: #1E9E6A;
  --danger: #D7382E;
  --radius: 10px;
  --shadow: 0 4px 18px rgba(11, 78, 162, 0.08);
  --shadow-hover: 0 10px 28px rgba(11, 78, 162, 0.16);
}

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

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  font-size: 14px;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { max-width: 100%; }

.container { width: 1200px; max-width: 100%; margin: 0 auto; padding: 0 16px; }

/* ============ 顶部欢迎条 ============ */
.top-bar {
  background: var(--primary-dark);
  color: rgba(255,255,255,.85);
  font-size: 12px;
  height: 34px;
  display: flex;
  align-items: center;
}
.top-bar .container { display: flex; justify-content: space-between; align-items: center; }
.top-bar a { color: #fff; margin-left: 14px; cursor: pointer; }
.top-bar a:hover { color: var(--accent); }
.top-bar .links a + a::before { content: "|"; margin-right: 14px; color: rgba(255,255,255,.3); }

/* ============ 导航 ============ */
.header {
  background: #fff;
  border-bottom: 3px solid var(--primary);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0,0,0,.05);
}
.header .container { display: flex; align-items: center; height: 72px; gap: 40px; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 46px; height: 46px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, #2E7BE0 70%);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 22px; font-weight: 700;
  box-shadow: 0 4px 10px rgba(11,78,162,.3);
}
.logo-text .zh { font-size: 20px; font-weight: 700; color: var(--primary-dark); letter-spacing: 1px; }
.logo-text .en { font-size: 10px; color: var(--text-light); letter-spacing: .5px; }

.nav { display: flex; gap: 6px; flex: 1; }
.nav a {
  padding: 8px 16px; font-size: 16px; color: var(--text);
  border-radius: 6px; position: relative; white-space: nowrap;
}
.nav a:hover { color: var(--primary); background: var(--primary-light); }
.nav a.active { color: var(--primary); font-weight: 600; }
.nav a.active::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: -18px;
  height: 3px; background: var(--primary); border-radius: 2px;
}
.header-cta {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff; padding: 10px 22px; border-radius: 24px;
  font-size: 15px; font-weight: 600; white-space: nowrap;
  box-shadow: 0 4px 12px rgba(245,166,35,.4);
}
.header-cta:hover { filter: brightness(1.05); }

/* ============ 通用板块 ============ */
.section { padding: 56px 0; }
.section.gray { background: var(--bg); }
.section.white { background: #fff; }
.section-head { text-align: center; margin-bottom: 36px; }
.section-head .kicker {
  display: inline-block; font-size: 13px; color: var(--accent-dark);
  letter-spacing: 3px; margin-bottom: 6px; font-weight: 600;
}
.section-head h2 { font-size: 28px; color: var(--primary-dark); font-weight: 700; }
.section-head .sub { color: var(--text-sub); margin-top: 8px; font-size: 14px; }
.section-head .divider {
  width: 48px; height: 4px; border-radius: 2px; margin: 14px auto 0;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.btn {
  display: inline-block; padding: 10px 24px; border-radius: 6px;
  font-size: 14px; cursor: pointer; border: none; text-align: center;
  transition: all .2s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-accent { background: linear-gradient(135deg, var(--accent), var(--accent-dark)); color: #fff; }
.btn-outline { background: #fff; color: var(--primary); border: 1px solid var(--primary); }
.btn-outline:hover { background: var(--primary-light); }
.btn-ghost { background: transparent; color: var(--text-sub); border: 1px solid var(--border); }
.btn-danger { background: #fff; color: var(--danger); border: 1px solid var(--danger); }
.btn-success { background: var(--success); color: #fff; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.btn-sm { padding: 6px 14px; font-size: 13px; }

/* ============ 标签 ============ */
.tag {
  display: inline-block; padding: 2px 10px; border-radius: 20px;
  font-size: 12px; line-height: 1.6;
}
.tag-blue { background: var(--primary-light); color: var(--primary); }
.tag-orange { background: #FEF3E2; color: var(--accent-dark); }
.tag-green { background: #E6F7F0; color: var(--success); }
.tag-red { background: #FDECEB; color: var(--red); }
.tag-gray { background: #EEF1F5; color: var(--text-sub); }

/* ============ 面包屑 ============ */
.crumb { padding: 18px 0; font-size: 13px; color: var(--text-light); }
.crumb a { color: var(--text-sub); }
.crumb a:hover { color: var(--primary); }
.crumb .sep { margin: 0 8px; color: #C6CCD8; }

/* ============ 表单 ============ */
.form-label { font-size: 14px; color: var(--text); font-weight: 600; margin-bottom: 6px; display: block; }
.form-label .req { color: var(--red); margin-right: 4px; }
.form-control {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border);
  border-radius: 6px; font-size: 14px; outline: none;
  background: #fff; color: var(--text); font-family: inherit;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(11,78,162,.1); }
textarea.form-control { resize: vertical; min-height: 90px; }
.form-hint { font-size: 12px; color: var(--text-light); margin-top: 4px; }

.upload-box {
  border: 1px dashed #C4D2E8; border-radius: 8px; background: #FAFCFF;
  padding: 22px; text-align: center; color: var(--text-sub); cursor: pointer;
  transition: all .2s; font-size: 13px;
}
.upload-box:hover { border-color: var(--primary); background: var(--primary-light); }
.upload-box .icon { font-size: 26px; display: block; margin-bottom: 6px; }

/* ============ 模态框 ============ */
.modal-mask {
  display: none; position: fixed; inset: 0; background: rgba(13, 25, 45, .55);
  z-index: 999; align-items: center; justify-content: center; padding: 30px;
}
.modal-mask.open { display: flex; }
.modal {
  background: #fff; border-radius: 12px; max-width: 780px; width: 100%;
  max-height: 86vh; display: flex; flex-direction: column; overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}
.modal-head {
  padding: 16px 24px; border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
}
.modal-head h3 { font-size: 17px; color: var(--primary-dark); }
.modal-close { font-size: 22px; color: var(--text-light); cursor: pointer; line-height: 1; }
.modal-body { padding: 24px; overflow-y: auto; }
.modal-foot { padding: 14px 24px; border-top: 1px solid var(--border); text-align: right; display: flex; gap: 10px; justify-content: flex-end; }

/* ============ 页脚 ============ */
.footer { background: #0D2A52; color: rgba(255,255,255,.75); margin-top: 0; }
.footer .footer-main { padding: 44px 0 30px; display: flex; gap: 60px; }
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 14px; }
.footer li { margin-bottom: 8px; font-size: 13px; cursor: pointer; }
.footer li:hover { color: var(--accent); }
.footer .about { flex: 1.2; font-size: 13px; line-height: 1.8; }
.footer .col { flex: 1; }
.footer .copyright {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 16px 0; font-size: 12px; color: rgba(255,255,255,.5); text-align: center;
}

/* ============ 响应式微调 ============ */
@media (max-width: 1240px) {
  .container { width: 100%; }
}