/* ==========================================================================
   {{APP_NAME}} 官网样式表
   纯静态、无依赖，适配 PC 端（微信开放平台要求官网为 PC 网站，不接受 H5 页面）
   ========================================================================== */

:root {
  --brand: #0e7490;
  --brand-dark: #0b5a70;
  --brand-light: #e6f4f7;
  --text: #1f2937;
  --text-muted: #5b6675;
  --border: #e5e8ee;
  --bg-soft: #f7f9fc;
  --radius: 10px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--brand);
  text-decoration: none;
}

a:hover {
  color: var(--brand-dark);
}

img {
  max-width: 100%;
  display: block;
}

h1, h2, h3, h4 {
  margin: 0 0 12px;
  line-height: 1.35;
  font-weight: 600;
}

h1 { font-size: 34px; }
h2 { font-size: 26px; }
h3 { font-size: 18px; }

p { margin: 0 0 14px; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 顶部导航 ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}

.navbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.brand:hover { color: var(--text); }

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--brand), #38a3b8);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-links a {
  display: block;
  padding: 8px 13px;
  border-radius: 7px;
  color: var(--text-muted);
  font-size: 14.5px;
}

.nav-links a:hover {
  background: var(--bg-soft);
  color: var(--text);
}

.nav-links a.active {
  color: var(--brand);
  background: var(--brand-light);
  font-weight: 600;
}

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

.section.soft {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 40px;
}

.section-head p {
  color: var(--text-muted);
  margin: 0;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 11px;
  border-radius: 99px;
  background: var(--brand-light);
  color: var(--brand);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.4px;
}

/* ---------- 首页首屏 ---------- */
.hero {
  padding: 76px 0 64px;
  background: linear-gradient(180deg, #f2fafc 0%, #ffffff 100%);
  border-bottom: 1px solid var(--border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero h1 span {
  color: var(--brand);
}

.hero-lead {
  font-size: 16.5px;
  color: var(--text-muted);
  margin-bottom: 26px;
}

.btn-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 11px 24px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
}

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

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

.btn-ghost {
  background: #fff;
  border-color: var(--border);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.hero-meta {
  display: flex;
  gap: 32px;
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.hero-meta div strong {
  display: block;
  font-size: 24px;
  color: var(--brand);
  line-height: 1.3;
}

.hero-meta div span {
  font-size: 13px;
  color: var(--text-muted);
}

/* ---------- 卡片 / 网格 ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
}

.card h3 {
  margin-bottom: 8px;
}

.card p {
  color: var(--text-muted);
  margin: 0;
  font-size: 14.5px;
}

.card-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 16px;
  border-radius: 9px;
  background: var(--brand-light);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  font-weight: 700;
}

/* ---------- 应用截图（应用图片，审核条款 4.4） ---------- */
.shot {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  box-shadow: 0 6px 22px rgba(14, 116, 144, 0.08);
}

.shot figcaption {
  padding: 12px 16px;
  font-size: 13.5px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
}

.shots-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

/* ---------- 功能详情（左右交替排版） ---------- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  padding: 34px 0;
  border-bottom: 1px solid var(--border);
}

.feature-row:last-child {
  border-bottom: none;
}

.feature-row.flip .feature-text {
  order: 2;
}

.feature-text h3 {
  font-size: 21px;
}

.feature-text p {
  color: var(--text-muted);
}

.feature-text ul {
  margin: 14px 0 0;
  padding-left: 20px;
  color: var(--text-muted);
  font-size: 14.5px;
}

.feature-text li {
  margin-bottom: 6px;
}

/* ---------- 内页头部 ---------- */
.page-head {
  padding: 48px 0 40px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}

.page-head p {
  color: var(--text-muted);
  margin: 0;
  max-width: 760px;
}

.crumb {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

/* ---------- 协议类长文 ---------- */
.doc {
  max-width: 860px;
}

.doc h2 {
  font-size: 19px;
  margin: 34px 0 10px;
  padding-top: 8px;
}

.doc h2:first-of-type {
  margin-top: 0;
}

.doc p,
.doc li {
  color: #38414f;
  font-size: 14.5px;
}

.doc ol,
.doc ul {
  padding-left: 22px;
}

.doc li {
  margin-bottom: 7px;
}

.doc .meta-line {
  color: var(--text-muted);
  font-size: 13.5px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 26px;
}

.notice {
  background: var(--brand-light);
  border-left: 3px solid var(--brand);
  border-radius: 0 8px 8px 0;
  padding: 14px 18px;
  font-size: 14px;
  color: #1f4753;
}

/* 免责与合规提示（医疗类内容需要显著区分） */
.notice.warn {
  background: #fff8ec;
  border-left-color: #d98324;
  color: #6b4a1c;
}

/* ---------- 表格（备案/联系信息） ---------- */
table.info {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}

table.info th,
table.info td {
  text-align: left;
  padding: 13px 16px;
  border: 1px solid var(--border);
  vertical-align: top;
}

table.info th {
  width: 180px;
  background: var(--bg-soft);
  font-weight: 600;
  color: var(--text);
}

table.info td {
  color: var(--text-muted);
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: #1b2434;
  color: #9aa7bb;
  padding: 46px 0 26px;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 34px;
  padding-bottom: 30px;
  border-bottom: 1px solid #2c3849;
}

.site-footer h4 {
  color: #fff;
  font-size: 14.5px;
  margin-bottom: 12px;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer li {
  margin-bottom: 8px;
}

.site-footer a {
  color: #9aa7bb;
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 12px;
}

.site-footer .desc {
  margin: 0;
  max-width: 320px;
  line-height: 1.7;
}

.footer-bottom {
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13.5px;
  color: #7e8b9e;
}

.footer-bottom a {
  color: #7e8b9e;
}

/* ---------- 响应式（官网以 PC 为主，仅做基础适配） ---------- */
@media (max-width: 960px) {
  .hero-grid,
  .feature-row,
  .grid-3,
  .grid-2,
  .shots-row,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .feature-row.flip .feature-text {
    order: 0;
  }

  .navbar .wrap {
    height: auto;
    flex-direction: column;
    align-items: flex-start;
    padding-top: 12px;
    padding-bottom: 12px;
    gap: 8px;
  }

  .nav-links {
    flex-wrap: wrap;
  }

  .hero-meta {
    flex-wrap: wrap;
    gap: 22px;
  }
}