/* ============================================
   高德厚普商城 - B2B+B2C 第三方交易撮合平台
   申报展示页面共享样式
   ============================================ */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.75;
  color: #333;
  background: #fff;
}

a {
  color: #1e6fff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- 顶部导航 ---------- */
.site-header {
  background: #fff;
  border-bottom: 1px solid #eef0f4;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-mark {
  font-size: 22px;
  font-weight: 700;
  color: #1e3a8a;
  letter-spacing: 1px;
}

.logo-sub {
  font-size: 12px;
  color: #8892a6;
}

.main-nav {
  display: flex;
  gap: 28px;
}

.main-nav a {
  color: #4a5568;
  font-size: 15px;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s;
}

.main-nav a:hover {
  color: #1e6fff;
  text-decoration: none;
  border-bottom-color: #1e6fff;
}

.main-nav a.active {
  color: #1e6fff;
  border-bottom-color: #1e6fff;
  font-weight: 600;
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, #1e3a8a 0%, #1e6fff 100%);
  color: #fff;
  padding: 84px 0 72px;
  text-align: center;
}

.hero h1 {
  font-size: 42px;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.hero-tag {
  font-size: 20px;
  color: #c7dbff;
  margin-bottom: 26px;
  letter-spacing: 4px;
}

.hero-desc {
  max-width: 820px;
  margin: 0 auto 14px;
  font-size: 16px;
  color: #e8f0ff;
}

.hero-note {
  max-width: 820px;
  margin: 0 auto 30px;
  font-size: 14px;
  color: #bcd2ff;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 6px;
  font-size: 15px;
  transition: opacity .2s, background .2s;
}

.btn:hover {
  opacity: .88;
  text-decoration: none;
}

.btn-primary {
  background: #ffb400;
  color: #1e3a8a;
  font-weight: 600;
}

.btn-outline {
  border: 1px solid rgba(255, 255, 255, .7);
  color: #fff;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, .12);
}

/* ---------- 通用区块 ---------- */
.section {
  padding: 64px 0;
}

.section-gray {
  background: #f7f9fc;
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  color: #1e3a8a;
  text-align: center;
  margin-bottom: 14px;
}

.section-intro {
  max-width: 860px;
  margin: 0 auto 36px;
  text-align: center;
  color: #5a6478;
}

/* ---------- 卡片 ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: #fff;
  border: 1px solid #eef0f4;
  border-radius: 10px;
  padding: 30px 26px;
  box-shadow: 0 4px 16px rgba(30, 58, 138, .06);
  transition: transform .2s, box-shadow .2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(30, 58, 138, .12);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 10px;
  background: linear-gradient(135deg, #1e3a8a, #1e6fff);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  letter-spacing: 1px;
}

.card h3 {
  font-size: 18px;
  color: #1e3a8a;
  margin-bottom: 10px;
}

.card p {
  color: #5a6478;
  font-size: 14px;
  margin-bottom: 16px;
}

.card-link {
  font-size: 14px;
  font-weight: 600;
}

/* ---------- APP 下载 ---------- */
.app-download {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.app-item {
  text-align: center;
}

.qr-placeholder {
  width: 150px;
  height: 150px;
  border: 2px dashed #b9c6de;
  border-radius: 12px;
  background: #fff;
  color: #8892a6;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  line-height: 1.6;
  margin-bottom: 12px;
}

.app-item p {
  font-weight: 600;
  color: #1e3a8a;
}

/* ---------- 合规承诺 ---------- */
.compliance-list {
  max-width: 860px;
  margin: 0 auto;
  list-style: none;
}

.compliance-list li {
  position: relative;
  padding: 12px 0 12px 26px;
  color: #4a5568;
  border-bottom: 1px dashed #e5e9f2;
}

.compliance-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 22px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #1e6fff;
}

.compliance-list li:last-child {
  border-bottom: none;
}

/* ---------- 内容页 ---------- */
.page-banner {
  background: linear-gradient(135deg, #1e3a8a 0%, #1e6fff 100%);
  color: #fff;
  padding: 52px 0;
  text-align: center;
}

.page-banner h1 {
  font-size: 32px;
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.page-banner p {
  color: #c7dbff;
}

.page-content {
  padding: 48px 0 72px;
}

.page-content .container {
  max-width: 900px;
}

.page-content h2 {
  font-size: 22px;
  color: #1e3a8a;
  margin: 34px 0 12px;
  padding-left: 12px;
  border-left: 4px solid #1e6fff;
}

.page-content h3 {
  font-size: 17px;
  color: #33415c;
  margin: 22px 0 8px;
}

.page-content p {
  color: #4a5568;
  margin-bottom: 12px;
  text-align: justify;
}

.page-content ul,
.page-content ol {
  color: #4a5568;
  padding-left: 24px;
  margin-bottom: 14px;
}

.page-content li {
  margin-bottom: 6px;
}

.page-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}

.page-content th,
.page-content td {
  border: 1px solid #e5e9f2;
  padding: 10px 14px;
  text-align: left;
  font-size: 14px;
}

.page-content th {
  background: #f2f6ff;
  color: #1e3a8a;
  font-weight: 600;
}

.update-time {
  color: #8892a6;
  font-size: 13px;
  margin-bottom: 24px;
  text-align: right;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: #1e2a44;
  color: #aab4cc;
  padding: 36px 0 28px;
  text-align: center;
  font-size: 13px;
}

.footer-links {
  margin-bottom: 14px;
}

.footer-links a {
  color: #c7d2ea;
  margin: 0 6px;
}

.footer-links a:hover {
  color: #fff;
}

.sep {
  color: #4a5670;
}

.footer-company {
  color: #e6ecf8;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.footer-contact {
  margin-bottom: 12px;
}

.footer-beian {
  margin-bottom: 8px;
}

.footer-beian a {
  color: #9db4e0;
  font-size: 13px;
}

.footer-beian a:hover {
  color: #fff;
}

.license-pending {
  display: inline-block;
  margin-left: 14px;
  color: #ffd166;
  border: 1px solid #ffd166;
  border-radius: 3px;
  padding: 1px 10px;
  font-size: 12px;
}

.footer-copy {
  color: #7d8aa8;
}

/* ---------- 响应式 ---------- */
@media (max-width: 860px) {
  .cards {
    grid-template-columns: 1fr;
  }

  .header-inner {
    flex-direction: column;
    height: auto;
    padding: 14px 0;
    gap: 10px;
  }

  .main-nav {
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero {
    padding: 56px 0 48px;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero-tag {
    font-size: 16px;
    letter-spacing: 2px;
  }

  .section {
    padding: 44px 0;
  }

  .section-title {
    font-size: 24px;
  }

  .page-banner h1 {
    font-size: 26px;
  }
}