:root {
  --bg: #f4f6fb;
  --card: #ffffff;
  --primary: #cc8a00;
  --primary-dark: #9f6b00;
  --text: #1f2430;
  --muted: #5a6270;
  --line: #e2e6ee;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  color: var(--text);
  background: var(--bg);
}

.container {
  width: min(1160px, 92vw);
  margin: 0 auto;
}

.top-bar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #101622;
  border-bottom: 1px solid #2c3648;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 64px;
}

.logo {
  color: #fff;
  font-size: 20px;
  font-weight: 700;
}

nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

nav a {
  color: #d6deed;
  text-decoration: none;
}

nav a:hover {
  color: #fff;
}

.hero {
  background: linear-gradient(135deg, #16233a 0%, #203a62 100%);
  color: #fff;
  padding: 56px 0 64px;
}

.hero-wrap {
  display: grid;
  gap: 24px;
  grid-template-columns: 1.4fr 1fr;
}

.tag {
  margin: 0;
  color: #f8d58f;
}

h1 {
  margin: 10px 0 14px;
  font-size: clamp(30px, 4vw, 42px);
}

.sub {
  margin: 0 0 24px;
  color: #d7e3f8;
}

.hotline {
  margin: 0 0 14px;
  display: inline-block;
  background: #fff1c9;
  color: #4f3200;
  border: 1px solid #ffd379;
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 700;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
}

.btn {
  display: inline-block;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
  padding: 10px 18px;
  text-align: center;
  vertical-align: middle;
}

.btn-large {
  font-size: 18px;
  padding: 14px 22px;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
}

.hero-card {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 14px;
  padding: 20px;
}

.hero-card ul {
  margin: 12px 0;
  padding-left: 18px;
}

.hero-card a {
  color: #fff;
}

.small {
  color: #dce6f7;
  font-size: 13px;
}

.section {
  padding: 54px 0;
}

.section-alt {
  background: #eef2f8;
}

.section-download {
  background: #fff7e3;
}

h2 {
  margin: 0 0 10px;
  font-size: 30px;
}

.section-desc {
  margin: 0 0 22px;
  color: var(--muted);
}

.download-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.download-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
}

.tools-page #tool-download h2,
.tools-page #tool-download .section-desc {
  text-align: center;
}

.tools-page #tool-download .download-card {
  text-align: center;
}

.tools-page #tool-download .pan-qr {
  margin-left: auto;
  margin-right: auto;
}

.download-card.highlight {
  border: 2px solid #f0ba45;
  box-shadow: 0 8px 20px rgba(189, 130, 0, 0.15);
}

.download-card .btn-secondary {
  color: #1d2638;
  border-color: #c8d0df;
  background: #f5f7fb;
}

.download-note {
  margin: 6px 0 12px;
  color: #5a3a00;
  font-weight: 700;
}

.pan-qr {
  width: 180px;
  max-width: 100%;
  display: block;
  margin: 8px 0 12px;
  border-radius: 10px;
  border: 1px solid #e4d9be;
}

.shop-qr {
  width: 260px;
  max-width: 100%;
  height: 260px;
  object-fit: cover;
  object-position: center;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.link-list {
  display: grid;
  gap: 12px;
}

.link-list a {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  text-decoration: none;
  color: #1f3b72;
  font-weight: 600;
}

.category-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(160px, 1fr));
}

.category-card {
  text-decoration: none;
  color: #1f2430;
  font-weight: 700;
  text-align: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 12px;
}

.news-list {
  margin: 0;
  padding-left: 20px;
  color: #2a3142;
}

.news-list li {
  margin: 8px 0;
}

.footer {
  background: #111827;
  color: #c6d0e4;
  padding: 18px 0;
  text-align: center;
}

.footer-hotline {
  margin: 0 0 8px;
  color: #ffd98a;
  font-weight: 700;
}

@media (max-width: 900px) {
  .hero-wrap,
  .download-grid,
  .category-grid {
    grid-template-columns: 1fr;
  }
}