/* ============================================================
   拓联阁数字素材网 —— 复古政企风样式
   深蓝主色 / 红金点缀 / 宋体标题 / 公文式栏目 / 蓝底导航
   ============================================================ */

:root {
  --gov-blue: #1a3d7c;      /* 政企深蓝 */
  --gov-blue-dark: #12305f;
  --gov-blue-light: #2a5298;
  --gov-red: #b21e2b;       /* 印章红 */
  --gov-gold: #b8892b;      /* 徽章金 */
  --ink: #2b2b2b;
  --line: #d4d9e2;
  --bg: #eef1f6;
  --panel: #ffffff;
}

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

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "SimSun", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.8;
  font-size: 15px;
}

a { color: var(--gov-blue); text-decoration: none; }
a:hover { color: var(--gov-red); }

.container { width: 1100px; max-width: 94%; margin: 0 auto; }

/* ---------- 顶栏（细红条 + 站名 + 备案提示） ---------- */
.topbar {
  background: var(--gov-blue-dark);
  color: #cdd8ec;
  font-size: 12.5px;
  border-bottom: 2px solid var(--gov-gold);
}
.topbar .container { display: flex; justify-content: space-between; height: 34px; align-items: center; }
.topbar a { color: #cdd8ec; }
.topbar a:hover { color: #fff; }

/* ---------- 站头（徽标 + 标题 + 副题） ---------- */
.masthead { background: var(--panel); border-bottom: 3px solid var(--gov-blue); }
.masthead .container { display: flex; align-items: center; padding: 22px 0; gap: 18px; }
.logo-badge {
  width: 62px; height: 62px; flex: none;
  border: 3px solid var(--gov-blue);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--gov-blue); font-size: 30px; font-weight: 700;
  font-family: "SimSun", serif;
  position: relative;
}
.logo-badge::after {
  content: ""; position: absolute; inset: 5px; border: 1px solid var(--gov-gold); border-radius: 50%;
}
.masthead h1 {
  font-family: "SimSun", "Songti SC", serif;
  font-size: 30px; letter-spacing: 4px; color: var(--gov-blue); font-weight: 700;
}
.masthead .sub { color: #77808f; font-size: 13px; letter-spacing: 1px; margin-top: 2px; }
.masthead .seal {
  margin-left: auto; color: var(--gov-red); border: 2px solid var(--gov-red);
  font-family: "SimSun", serif; padding: 6px 10px; font-size: 13px; line-height: 1.4;
  text-align: center; transform: rotate(-6deg); border-radius: 4px; opacity: .85;
}

/* ---------- 主导航（蓝底横条） ---------- */
.mainnav { background: var(--gov-blue); box-shadow: inset 0 -3px 0 var(--gov-blue-dark); }
.mainnav .container { display: flex; }
.mainnav a {
  color: #eaf0fb; padding: 13px 26px; font-size: 15.5px; letter-spacing: 1px;
  border-right: 1px solid rgba(255,255,255,.12);
}
.mainnav a:first-child { border-left: 1px solid rgba(255,255,255,.12); }
.mainnav a:hover, .mainnav a.active { background: var(--gov-red); color: #fff; }

/* ---------- 滚动公告栏 ---------- */
.notice-bar {
  background: #fbf6e9; border: 1px solid #e6d6a8; color: #8a6d1f;
  display: flex; align-items: center; overflow: hidden; height: 40px; margin-top: 16px;
}
.notice-bar .tag {
  background: var(--gov-red); color: #fff; padding: 0 14px; height: 100%;
  display: flex; align-items: center; font-size: 13px; flex: none; letter-spacing: 1px;
}
.notice-bar marquee { padding-left: 14px; font-size: 13.5px; }

/* ---------- 通用栏目标题（公文式） ---------- */
.section { margin-top: 22px; }
.section-head {
  display: flex; align-items: center; border-bottom: 2px solid var(--gov-blue);
  padding-bottom: 6px; margin-bottom: 16px;
}
.section-head h2 {
  font-size: 19px; color: var(--gov-blue); font-weight: 700;
  border-left: 5px solid var(--gov-red); padding-left: 10px; letter-spacing: 1px;
}
.section-head .more { margin-left: auto; font-size: 13px; color: #8a94a6; }

/* ---------- 布局：主区 + 侧栏 ---------- */
.layout { display: flex; gap: 22px; margin-top: 22px; }
.layout .main { flex: 1; min-width: 0; }
.layout .side { width: 260px; flex: none; }
.panel { background: var(--panel); border: 1px solid var(--line); padding: 18px; }

.side-box { background: var(--panel); border: 1px solid var(--line); margin-bottom: 18px; }
.side-box .hd {
  background: var(--gov-blue); color: #fff; padding: 9px 14px; font-size: 15px; letter-spacing: 1px;
}
.side-box ul { list-style: none; padding: 8px 0; }
.side-box li a { display: block; padding: 8px 16px; border-bottom: 1px dashed var(--line); }
.side-box li:last-child a { border-bottom: none; }
.side-box li a::before { content: "▍"; color: var(--gov-gold); margin-right: 8px; }

/* ---------- 商品网格 ---------- */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: var(--panel); border: 1px solid var(--line);
  display: flex; flex-direction: column; transition: box-shadow .15s, transform .15s;
}
.card:hover { box-shadow: 0 6px 18px rgba(26,61,124,.15); transform: translateY(-2px); }
.card .cover {
  height: 132px; background: linear-gradient(135deg, #eaf0fb, #dbe6fa);
  display: flex; align-items: center; justify-content: center; font-size: 54px;
  border-bottom: 1px solid var(--line);
}
.card .body { padding: 13px 14px; flex: 1; display: flex; flex-direction: column; }
.card .cat { font-size: 12px; color: var(--gov-blue-light); }
.card .title { font-size: 15px; margin: 6px 0 8px; color: var(--ink); font-weight: 600; line-height: 1.5; }
.card .summary { font-size: 12.5px; color: #7a8494; flex: 1; }
.card .foot { display: flex; align-items: center; justify-content: space-between; margin-top: 12px; }
.card .price { color: var(--gov-red); font-size: 20px; font-weight: 700; font-family: "SimSun", serif; }
.card .price small { font-size: 12px; }

/* ---------- 商品配图 ----------
   object-fit: cover —— 等比缩放铺满容器、超出裁掉，不做破坏比例的拉伸 */
.card .cover img, .detail .cover-lg img {
  width: 100%; height: 100%; object-fit: cover; object-position: center top; display: block;
}

/* ---------- 促销 / 缺货标记 ---------- */
.card .cover, .detail .cover-lg { position: relative; overflow: hidden; }
.promo-flag, .oos-flag { z-index: 1; }
.promo-flag, .oos-flag {
  position: absolute; top: 8px; font-size: 12px; letter-spacing: 1px;
  padding: 2px 10px; color: #fff; line-height: 1.8; border-radius: 2px;
}
.promo-flag { left: 8px; background: var(--gov-red); box-shadow: 0 2px 6px rgba(178,30,43,.35); }
.oos-flag { right: 8px; background: #6a7484; }
.card.oos .cover img { filter: grayscale(.7); opacity: .75; }
.price-old { color: #99a2b0; font-size: 13px; font-weight: 400; font-family: inherit; margin-left: 6px; }
.promo-tag {
  display: inline-block; background: var(--gov-red); color: #fff; font-size: 12px;
  padding: 1px 8px; margin-left: 8px; border-radius: 2px; letter-spacing: 1px; vertical-align: middle;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block; padding: 8px 20px; border: none; cursor: pointer;
  font-size: 14px; letter-spacing: 1px; border-radius: 2px; font-family: inherit;
}
.btn-primary { background: var(--gov-blue); color: #fff; }
.btn-primary:hover { background: var(--gov-blue-dark); color: #fff; }
.btn-buy { background: var(--gov-red); color: #fff; }
.btn-buy:hover { background: #8f1720; color: #fff; }
.btn-disabled { background: #c3c9d4; color: #fff; cursor: not-allowed; }
.btn-disabled:hover { background: #c3c9d4; color: #fff; }
.btn-lg { padding: 12px 40px; font-size: 16px; }
.btn-block { display: block; width: 100%; text-align: center; }

/* ---------- 商品详情 ---------- */
.detail { display: flex; gap: 26px; }
.detail .cover-lg {
  width: 320px; height: 240px; flex: none; border: 1px solid var(--line);
  background: linear-gradient(135deg, #eaf0fb, #dbe6fa);
  display: flex; align-items: center; justify-content: center; font-size: 96px;
}
.detail .info { flex: 1; }
.detail .info h1 { font-size: 23px; color: var(--gov-blue); line-height: 1.5; margin-bottom: 12px; }
.detail .meta { border: 1px solid var(--line); border-collapse: collapse; width: 100%; margin: 14px 0; }
.detail .meta th, .detail .meta td { border: 1px solid var(--line); padding: 9px 14px; font-size: 14px; text-align: left; }
.detail .meta th { background: #f4f7fc; color: #55606f; width: 110px; font-weight: 600; }
.detail .price-box { background: #fbf3f3; border: 1px solid #e6c4c4; padding: 14px 18px; margin: 16px 0; }
.detail .price-box .price { color: var(--gov-red); font-size: 32px; font-weight: 700; font-family: "SimSun", serif; }
.detail .desc { margin-top: 20px; }

/* ---------- 表单 / 确认订单 / 结果页 ---------- */
.info-table { width: 100%; border-collapse: collapse; margin: 10px 0; }
.info-table th, .info-table td { border: 1px solid var(--line); padding: 12px 16px; text-align: left; font-size: 14.5px; }
.info-table th { background: #f4f7fc; width: 160px; color: #55606f; font-weight: 600; }
.total-amount { color: var(--gov-red); font-size: 26px; font-weight: 700; font-family: "SimSun", serif; }

.result-box { text-align: center; padding: 40px 20px; }
.result-box .icon { font-size: 60px; }
.result-box.ok .icon { color: #2f8a3e; }
.result-box.fail .icon { color: var(--gov-red); }
.result-box h2 { margin: 14px 0; font-size: 22px; }
.result-box p { color: #6a7484; }

.dl-list { list-style: none; }
.dl-list li {
  background: #f4f7fc; border: 1px solid var(--line); padding: 14px 18px; margin-bottom: 10px;
  display: flex; align-items: center; justify-content: space-between; word-break: break-all;
}

/* ---------- 内容页（合规） ---------- */
.doc { line-height: 2; }
.doc h1 { font-size: 24px; color: var(--gov-blue); text-align: center; margin-bottom: 8px; font-family: "SimSun", serif; letter-spacing: 2px; }
.doc .doc-sub { text-align: center; color: #99a2b0; font-size: 13px; margin-bottom: 22px; padding-bottom: 14px; border-bottom: 1px dashed var(--line); }
.doc h3 { font-size: 17px; color: var(--gov-blue); margin: 20px 0 8px; border-left: 4px solid var(--gov-gold); padding-left: 10px; }
.doc p { margin: 8px 0; color: #3a4250; }
.doc ul { margin: 8px 0 8px 26px; color: #3a4250; }

/* ---------- 面包屑 ---------- */
.crumb { font-size: 13px; color: #8a94a6; margin: 16px 0; }
.crumb a { color: #6a7484; }

/* ---------- 页脚 ---------- */
.footer {
  background: var(--gov-blue-dark); color: #b9c6de; margin-top: 40px;
  border-top: 3px solid var(--gov-gold); padding: 26px 0 20px; text-align: center; font-size: 13px;
}
.footer .links { margin-bottom: 12px; }
.footer .links a { color: #cdd8ec; margin: 0 12px; }
.footer .links a:hover { color: #fff; }
.footer .copy { line-height: 2; color: #97a6c2; }
.footer .copy a { color: #97a6c2; }
.footer .copy a:hover { color: #fff; }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .container { width: 96%; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .layout { flex-direction: column; }
  .layout .side { width: 100%; }
  .detail { flex-direction: column; }
  .detail .cover-lg { width: 100%; }
  .masthead .seal { display: none; }
  .mainnav .container { flex-wrap: wrap; }
}
@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  .masthead h1 { font-size: 24px; }
}