:root {
  --primary: #065A82;
  --primary-dark: #023E5A;
  --secondary: #1C7293;
  --accent: #00A896;
  --ink: #1A2433;
  --muted: #5B6B7B;
  --line: #E3EAF0;
  --bg: #F4F8FB;
  --card: #FFFFFF;
  --shadow: 0 6px 24px rgba(6, 90, 130, 0.08);
  --shadow-hover: 0 14px 40px rgba(6, 90, 130, 0.16);
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--secondary); text-decoration: none; }
a:hover { color: var(--primary); }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* Top bar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--primary);
  font-size: 17px;
}
.brand .dot {
  width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: grid; place-items: center; color: #fff; font-size: 15px;
}
.topbar nav a { margin-left: 18px; font-size: 14px; color: var(--muted); }

/* Hero */
.hero {
  background: linear-gradient(135deg, #065A82 0%, #1C7293 60%, #00A896 100%);
  color: #fff;
  padding: 64px 0 72px;
}
.hero h1 {
  font-size: 38px;
  margin: 0 0 14px;
  letter-spacing: 0.5px;
  font-weight: 800;
}
.hero p { margin: 0; opacity: 0.92; font-size: 17px; max-width: 720px; }
.hero .stats {
  display: flex; gap: 36px; margin-top: 30px; flex-wrap: wrap;
}
.hero .stat b { font-size: 30px; display: block; font-weight: 800; }
.hero .stat span { font-size: 13px; opacity: 0.85; }

/* Section */
.section { padding: 56px 0; }
.section-head { margin-bottom: 28px; }
.section-head h2 {
  font-size: 26px; margin: 0 0 8px; color: var(--primary-dark); font-weight: 800;
}
.section-head p { margin: 0; color: var(--muted); font-size: 15px; }

/* Card grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 22px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: #C9DCEA;
}
.card .icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(6,90,130,0.12), rgba(0,168,150,0.12));
  display: grid; place-items: center; font-size: 24px; margin-bottom: 16px;
}
.card h3 { margin: 0 0 6px; font-size: 19px; color: var(--primary-dark); }
.card .sub { color: var(--muted); font-size: 14px; margin-bottom: 14px; }
.card .tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.card .tag {
  font-size: 12px; padding: 3px 10px; border-radius: 20px;
  background: #EEF4F8; color: var(--secondary); border: 1px solid #DCE7EF;
}
.card .desc { font-size: 14.5px; color: #3A4655; flex: 1; }
.card { cursor: pointer; }
.card .card-actions {
  margin-top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.card .more {
  font-size: 14px; font-weight: 600; color: var(--primary);
  display: inline-flex; align-items: center; gap: 4px;
}
.card .more:hover { gap: 8px; color: var(--accent); }
.card-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 16px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: background .2s, transform .15s;
  white-space: nowrap;
}
.card-share-btn:hover {
  background: var(--primary-dark);
  transform: scale(1.05);
}
.card-share-btn svg { width: 15px; height: 15px; }

/* Detail page */
.detail-hero {
  background: linear-gradient(135deg, #065A82 0%, #1C7293 100%);
  color: #fff;
  padding: 48px 0 52px;
}
.detail-hero .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.detail-hero .tag {
  font-size: 12.5px; padding: 4px 12px; border-radius: 20px;
  background: rgba(255,255,255,0.16); border: 1px solid rgba(255,255,255,0.28);
}
.detail-hero h1 { margin: 0 0 10px; font-size: 32px; font-weight: 800; }
.detail-hero p { margin: 0; opacity: 0.92; max-width: 760px; }

.block {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 22px;
  box-shadow: 0 4px 16px rgba(6,90,130,0.05);
}
.block h2 {
  font-size: 20px; margin: 0 0 18px; color: var(--primary-dark);
  display: flex; align-items: center; gap: 10px;
}
.block h2 .num {
  width: 28px; height: 28px; border-radius: 8px; background: var(--primary);
  color: #fff; font-size: 14px; display: grid; place-items: center; font-weight: 700;
}
.block p { margin: 0 0 12px; }
.block ul { margin: 0; padding-left: 22px; }
.block li { margin-bottom: 8px; }
.module-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 6px; }
.module-tags .tag {
  font-size: 13px; padding: 5px 12px; border-radius: 8px;
  background: #EEF4F8; color: var(--primary-dark); border: 1px solid #DCE7EF;
}
.scene-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px;
}
.scene {
  border: 1px solid var(--line); border-radius: 12px; padding: 18px;
  background: #FAFCFE;
}
.scene h4 { margin: 0 0 8px; font-size: 15.5px; color: var(--primary-dark); }
.scene p { margin: 0; font-size: 14px; color: var(--muted); }
.value-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.value-list li {
  display: flex; gap: 12px; padding: 14px 16px; border-radius: 12px;
  background: #F2F8FA; border: 1px solid #E1EDF3;
}
.value-list li b { color: var(--primary-dark); }
.value-list .vicon { flex: 0 0 28px; height: 28px; border-radius: 8px; background: var(--accent); color: #fff; display: grid; place-items: center; font-size: 14px; }
.screenshot {
  width: 100%; border-radius: 12px; border: 1px solid var(--line);
  box-shadow: var(--shadow); margin-top: 8px;
}
.figure-caption { font-size: 13px; color: var(--muted); margin-top: 8px; text-align: center; }

/* Footer */
.footer {
  border-top: 1px solid var(--line);
  background: #fff;
  padding: 28px 0;
  color: var(--muted);
  font-size: 14px;
}
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }

@media (max-width: 640px) {
  .hero h1 { font-size: 28px; }
  .detail-hero h1 { font-size: 24px; }
  .topbar nav a { margin-left: 12px; }
  .filter-bar { padding: 10px 16px; gap: 4px; }
  .filter-tab { padding: 4px 10px; font-size: 12px; }
}

/* ===== 筛选栏 ===== */
.filter-bar {
  background: #fff;
  padding: 14px 24px;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}
.filter-bar + .filter-bar { border-top: 0; border-bottom: 1px solid var(--line); }
.filter-bar .flabel {
  font-size: 13px; color: var(--muted); margin-right: 6px; white-space: nowrap; font-weight: 600;
}
.filter-tab {
  padding: 5px 14px; border-radius: 16px; font-size: 13px;
  border: 1px solid var(--line); background: #fff; color: var(--muted);
  cursor: pointer; transition: all .15s; font-family: inherit;
}
.filter-tab:hover { border-color: var(--secondary); color: var(--secondary); }
.filter-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.filter-count { font-size: 12px; color: var(--muted); margin-left: auto; }

/* ===== 区域徽章 & 产品徽章 ===== */
.card-badges { margin-bottom: 8px; display: flex; gap: 6px; flex-wrap: wrap; }
.region-badge, .product-badge {
  display: inline-block; font-size: 11px; padding: 2px 8px;
  border-radius: 10px; font-weight: 600; white-space: nowrap;
}
.rb-dongtai { background: #E1F5EE; color: #085041; }
.rb-dafeng  { background: #E6F1FB; color: #0C447C; }
.rb-jianhu  { background: #FAEEDA; color: #854F0B; }
.rb-jingkai { background: #E8F8F2; color: #0F6E56; }
.rb-sheyang { background: #FAECE7; color: #712B13; }
.rb-funing  { background: #FBEAF0; color: #72243E; }
.rb-binhai  { background: #EEEDFE; color: #3C3489; }
.rb-xiangshui { background: #EAF3DE; color: #27500A; }
.rb-yandu   { background: #F1EFE8; color: #444441; }
.rb-tinghu  { background: #FCEBEB; color: #791F1F; }
.rb-other   { background: #ECEFF3; color: #3E4C5E; }
.pb-xingkong { background: #EEF4F8; color: var(--primary-dark); border: 1px solid #DCE7EF; }
.pb-ai       { background: #F4E8F0; color: #72243E; border: 1px solid #EDD1DE; }
.pb-xingchen { background: #F0EDE6; color: #5F5E5A; border: 1px solid #D9D6CE; }

/* ===== 转发按钮 & 弹窗 ===== */
.share-fab {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 900;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  border: none;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(6, 90, 130, 0.35);
  transition: transform .2s, box-shadow .2s;
  font-family: inherit;
}
.share-fab:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(6, 90, 130, 0.45);
}
.share-fab svg { width: 20px; height: 20px; flex-shrink: 0; }

.share-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,.45);
  align-items: center;
  justify-content: center;
}
.share-modal.active { display: flex; }

.share-modal-box {
  background: #fff;
  border-radius: 16px;
  padding: 32px 28px 24px;
  width: 90%;
  max-width: 380px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
  animation: modalIn .25s ease;
}
@keyframes modalIn {
  from { transform: scale(.92); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.share-modal-box h3 {
  margin: 0 0 6px;
  font-size: 20px;
  color: var(--ink);
}
.share-modal-box .share-tip {
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--muted);
}
.share-modal-box .wm-fields {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}
.share-modal-box .wm-input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color .2s;
}
.share-modal-box .wm-input:focus {
  border-color: var(--primary);
}
.share-modal-box .qr-wrap {
  display: inline-block;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-bottom: 18px;
  background: #fff;
}
.share-modal-box .qr-wrap img {
  display: block;
  width: 160px;
  height: 160px;
}
.share-modal-box .share-url-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 18px;
}
.share-modal-box .share-url-box input {
  flex: 1;
  border: none;
  background: none;
  font-size: 12px;
  color: var(--muted);
  outline: none;
  font-family: monospace;
  min-width: 0;
}
.share-modal-box .btn-group {
  display: flex;
  gap: 10px;
}
.share-modal-box .sbtn {
  flex: 1;
  padding: 11px 0;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: opacity .2s;
}
.share-modal-box .sbtn:hover { opacity: .85; }
.share-modal-box .sbtn-copy {
  background: var(--primary);
  color: #fff;
}
.share-modal-box .sbtn-preview {
  background: var(--bg);
  color: var(--primary);
  border: 1px solid var(--line);
}
.share-modal-box .sbtn-close {
  background: none;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  padding: 8px;
  border: none;
  font-family: inherit;
  margin-top: 8px;
  width: 100%;
}
.share-modal-box .sbtn-close:hover { color: var(--ink); }

@media (max-width: 600px) {
  .share-fab {
    right: 16px;
    bottom: 16px;
    padding: 12px 20px;
    font-size: 14px;
  }
}