/* =========================================================
   招子眼视光学官网 · 首页样式
   版本：v1.0.0
   约束：零外部依赖（无 CDN 字体 / 无外部图标库 / 无跟踪脚本）
   说明：移动优先，断点 640 / 900 / 1200
   ========================================================= */

/* ---------- 设计令牌 ---------- */
:root {
  --c-primary: #0E4C92;        /* 主色：深蓝 */
  --c-primary-dark: #0A3768;
  --c-primary-soft: #E8F0F9;
  --c-teal: #0F7A82;           /* 辅色：青（文字对比度达标） */
  --c-accent: #F2994A;         /* 强调色：仅用于装饰与非文本元素 */
  --c-ink: #1B2430;            /* 正文 */
  --c-muted: #55636F;          /* 次要文字（白底对比度 ≈ 6.2:1） */
  --c-bg: #FFFFFF;
  --c-surface: #F4F7FB;
  --c-line: #DDE4EC;
  --c-danger: #B3261E;

  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 3px rgba(16, 34, 56, 0.08);
  --shadow-md: 0 8px 24px rgba(16, 34, 56, 0.10);
  --wrap: 1160px;
  --header-h: 64px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC",
          "Noto Sans CJK SC", sans-serif;
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-ink);
  background: var(--c-bg);
  /* 移动端浏览器地址栏收起时不跳动 */
  overflow-wrap: break-word;
}

h1, h2, h3 { line-height: 1.3; margin: 0 0 12px; font-weight: 700; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.85rem, 6vw, 3rem); }
h2 { font-size: clamp(1.4rem, 4vw, 2.05rem); }
h3 { font-size: 1.08rem; }
p  { margin: 0 0 12px; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
b, strong { font-weight: 700; color: var(--c-ink); }

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

/* 键盘焦点必须可见（无障碍要求） */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--c-teal);
  outline-offset: 2px;
  border-radius: 4px;
}

svg { max-width: 100%; height: auto; }

/* ---------- 布局工具 ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px;
}

.section { padding: clamp(48px, 8vw, 88px) 0; }
.section-alt { background: var(--c-surface); }

.section-head { max-width: 720px; margin-bottom: 36px; }
.eyebrow {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-teal);
  text-transform: uppercase;
}
.section-desc { color: var(--c-muted); font-size: 1rem; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;               /* 仅作用于 sticky 定位元素 */
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--c-line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: var(--header-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--c-ink);
  flex: 0 0 auto;
}
.brand:hover { text-decoration: none; }
.brand-mark { flex: 0 0 auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text b { font-size: 1.15rem; color: var(--c-primary); letter-spacing: 0.02em; }
.brand-text small { font-size: 0.72rem; color: var(--c-muted); }

/* 汉堡按钮：移动端显示 */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;           /* 触控目标 ≥44px */
  padding: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: #fff;
  cursor: pointer;
}
.nav-toggle-bars { display: block; width: 20px; }
.nav-toggle-bars i {
  display: block;
  height: 2px;
  background: var(--c-primary);
  border-radius: 2px;
  transition: transform 0.22s ease, opacity 0.18s ease;
}
.nav-toggle-bars i + i { margin-top: 5px; }
.nav-toggle[aria-expanded="true"] i:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] i:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] i:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端：菜单默认收起，展开时下拉 */
.primary-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 12px 20px 20px;
  background: #fff;
  border-bottom: 1px solid var(--c-line);
  box-shadow: var(--shadow-md);
  max-height: calc(100dvh - var(--header-h));   /* dvh 避免移动端地址栏问题 */
  overflow-y: auto;
}
.primary-nav.is-open { display: flex; }
.primary-nav ul { display: flex; flex-direction: column; }
.primary-nav a { display: block; padding: 12px 4px; color: var(--c-ink); border-radius: 8px; }
.primary-nav a:hover { background: var(--c-primary-soft); text-decoration: none; }
.primary-nav .btn { margin-top: 8px; text-align: center; }

/* 滚动进度条 */
.scroll-progress {
  position: absolute;
  left: 0; bottom: -1px;
  height: 2px;
  width: 0;
  background: var(--c-teal);
  transition: width 0.08s linear;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--c-primary); color: #fff; }
.btn-primary:hover { background: var(--c-primary-dark); }
.btn-ghost { background: #fff; color: var(--c-primary); border-color: var(--c-primary); }
.btn-ghost:hover { background: var(--c-primary-soft); }
.btn-sm { min-height: 40px; padding: 0 16px; font-size: 0.92rem; }

/* ---------- Hero ---------- */
.hero {
  padding: clamp(40px, 7vw, 76px) 0 clamp(36px, 6vw, 60px);
  background:
    radial-gradient(900px 420px at 88% -8%, rgba(15, 122, 130, 0.12), transparent 60%),
    linear-gradient(180deg, var(--c-primary-soft) 0%, #fff 72%);
}
.hero-inner {
  display: grid;
  gap: 32px;
  align-items: center;
}
.hero-copy .hl { color: var(--c-primary); }
.lead { font-size: clamp(1rem, 2.4vw, 1.12rem); color: var(--c-muted); max-width: 40em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 20px 0 16px; }
.hero-note {
  font-size: 0.86rem;
  color: var(--c-muted);
  border-left: 3px solid var(--c-accent);
  padding-left: 12px;
  max-width: 40em;
}
.hero-art { display: none; }

/* 数据条 */
.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 12px;
}
.stats li {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 18px 16px;
  box-shadow: var(--shadow-sm);
}
.stat-num {
  display: inline-block;
  font-size: clamp(1.7rem, 5vw, 2.35rem);
  font-weight: 800;
  color: var(--c-primary);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.stat-suffix { font-size: 1rem; font-weight: 700; color: var(--c-primary); margin-left: 2px; }
.stat-label { display: block; font-size: 0.88rem; color: var(--c-muted); margin-top: 4px; }
.stats-note { margin-top: 14px; font-size: 0.82rem; color: var(--c-muted); }

/* ---------- 卡片 ---------- */
.cards {
  display: grid;
  gap: 18px;
}
.card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 24px 22px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  margin-bottom: 14px;
  border-radius: 12px;
  background: var(--c-primary-soft);
  color: var(--c-primary);
}
.card p { color: var(--c-muted); font-size: 0.95rem; }

.tick { margin-top: 12px; }
.tick li {
  position: relative;
  padding-left: 24px;
  font-size: 0.92rem;
  color: var(--c-muted);
}
.tick li + li { margin-top: 6px; }
.tick li::before {
  content: "";
  position: absolute;
  left: 4px; top: 0.62em;
  width: 9px; height: 5px;
  border-left: 2px solid var(--c-teal);
  border-bottom: 2px solid var(--c-teal);
  transform: rotate(-45deg);
}

/* 服务卡资质与流程依据行 */
.card-note {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--c-line);
  font-size: 0.82rem;
  color: var(--c-muted);
  line-height: 1.6;
}

/* ---------- 合作步骤 ---------- */
.steps {
  display: grid;
  gap: 18px;
  counter-reset: step;
}
.steps li {
  position: relative;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 22px;
}
.step-num {
  display: inline-block;
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #fff;
  background: var(--c-primary);
  border-radius: 6px;
  padding: 2px 9px;
  margin-bottom: 8px;
}
.steps p { margin: 0; color: var(--c-muted); font-size: 0.95rem; }

.callout {
  margin-top: 26px;
  padding: 24px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-teal) 100%);
  color: #fff;
}
.callout h3 { color: #fff; }
.callout p { margin: 0; color: rgba(255, 255, 255, 0.94); }

/* ---------- 中心网络 ---------- */
.net-grid { display: grid; gap: 28px; align-items: center; }
.net-map {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  justify-content: center;
}
.net-rows li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px dashed var(--c-line);
}
.net-city { font-weight: 700; color: var(--c-primary); min-width: 8em; }
.net-desc { color: var(--c-muted); font-size: 0.92rem; }
.net-todo {
  margin-top: 14px;
  font-size: 0.84rem;
  color: var(--c-muted);
  background: #FFF8EC;
  border-left: 3px solid var(--c-accent);
  padding: 10px 12px;
  border-radius: 6px;
}

/* ---------- 双栏面板 ---------- */
.split { display: grid; gap: 18px; }
.panel {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 24px 22px;
  box-shadow: var(--shadow-sm);
}
.panel h3 { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.panel p { color: var(--c-muted); font-size: 0.95rem; }
.tag {
  font-size: 0.76rem;
  font-weight: 700;
  color: #fff;
  border-radius: 999px;
  padding: 3px 10px;
}
.tag-welfare { background: var(--c-teal); }
.tag-paid { background: var(--c-primary); }
.panel-welfare { border-top: 4px solid var(--c-teal); }
.panel-paid { border-top: 4px solid var(--c-primary); }

.notice {
  margin-top: 20px;
  padding: 20px 22px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-primary);
}
.notice p { margin: 0; color: var(--c-muted); font-size: 0.94rem; }
.notice-case { border-left-color: var(--c-accent); background: #FFFDF8; }

/* ---------- 关于：事实表 ---------- */
.facts {
  display: grid;
  gap: 0;
  margin: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}
.facts > div {
  display: grid;
  grid-template-columns: 8.5em 1fr;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--c-line);
  background: #fff;
}
.facts > div:last-child { border-bottom: 0; }
.facts dt { font-weight: 700; color: var(--c-muted); font-size: 0.9rem; }
.facts dd { margin: 0; font-size: 0.95rem; }

/* ---------- 联系表单 ---------- */
.section-contact { background: var(--c-surface); }
.contact-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 760px;
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 0.92rem; font-weight: 700; }
.req { color: var(--c-danger); }
.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--c-ink);
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  transition: border-color 0.16s ease;
}
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus,
.field select:focus,
.field textarea:focus { border-color: var(--c-primary); }
.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"] { border-color: var(--c-danger); }
.err { margin: 0; font-size: 0.82rem; color: var(--c-danger); }
.hint { margin: 0; font-size: 0.8rem; color: var(--c-muted); }
.form-foot { flex-direction: row; align-items: center; gap: 14px; flex-wrap: wrap; }
.form-status { margin: 0; font-size: 0.9rem; color: var(--c-teal); font-weight: 700; }
.form-disclaimer { margin-top: 16px; font-size: 0.83rem; color: var(--c-muted); max-width: 760px; }

/* 联系区：表单 + 企业微信二维码 双栏 */
.contact-grid { display: grid; gap: 28px; align-items: start; }
.contact-main { min-width: 0; }
.contact-aside { min-width: 0; }
.wecom {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  border-top: 4px solid var(--c-primary);
  padding: 22px 20px;
  box-shadow: var(--shadow-sm);
  text-align: center;
}
.wecom h3 { font-size: 1.05rem; color: var(--c-primary); margin-bottom: 14px; }
.wecom-qr {
  display: block;
  width: 200px;
  height: 200px;
  margin: 0 auto 14px;
  border: 1px solid var(--c-line);
  border-radius: 10px;
}
.wecom-tip { margin: 0 0 10px; font-size: 0.92rem; color: var(--c-muted); }
.wecom-replace {
  margin: 0;
  font-size: 0.78rem;
  color: var(--c-muted);
  background: #FFF8EC;
  border-left: 3px solid var(--c-accent);
  padding: 8px 10px;
  border-radius: 6px;
  text-align: left;
  line-height: 1.6;
}

/* ---------- 服务网点一览（每网点企业微信二维码占位） ---------- */
.loc-section { margin-top: 40px; }
.loc-section-title { font-size: 1.12rem; color: var(--c-primary); margin: 0 0 8px; }
.loc-section-desc { color: var(--c-muted); font-size: 0.92rem; line-height: 1.7; margin: 0 0 20px; max-width: 820px; }
.loc-section-desc code { background: #EEF3F9; padding: 1px 6px; border-radius: 4px; font-size: 0.85em; }
.loc-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}
.loc-card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 18px 16px 16px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}
.loc-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: center; }
.loc-head h4 { margin: 0; font-size: 1.02rem; color: var(--c-ink); }
.loc-tag {
  font-size: 0.72rem;
  font-weight: 700;
  color: #fff;
  border-radius: 999px;
  padding: 2px 9px;
  white-space: nowrap;
}
.loc-tag-hq { background: var(--c-primary); }
.loc-tag-coop { background: var(--c-teal); }
.loc-tag-bench { background: var(--c-accent); }
.loc-desc { margin: 0; font-size: 0.82rem; color: var(--c-muted); line-height: 1.55; min-height: 2.5em; }
.loc-qr {
  width: 160px;
  height: 180px;
  border: 1px solid var(--c-line);
  border-radius: 10px;
  display: block;
}
.loc-tip { margin: 0; font-size: 0.78rem; color: var(--c-muted); }

/* 蜜罐字段：移出可视区域，读屏忽略；用于拦截自动提交机器人 */
.hp {
  position: absolute !important;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: #0C2E52;
  color: #D6E2F0;
  padding: 40px 0 32px;
  margin-top: 0;
}
.footer-inner { display: grid; gap: 18px; }
.footer-brand b { display: block; font-size: 1.15rem; color: #fff; }
.footer-brand p { margin: 4px 0 0; font-size: 0.88rem; color: #AFC4DC; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.footer-nav a { color: #D6E2F0; font-size: 0.9rem; }
.footer-nav a:hover { color: #fff; }
.footer-legal { margin: 0; font-size: 0.82rem; color: #93AAC6; line-height: 1.7; }
.footer-legal .beian { color: #C7D6E8; text-decoration: underline; text-underline-offset: 2px; }
.footer-legal .beian:hover { color: #fff; }
.footer-legal .beian-pending { color: #C7D6E8; }

/* ---------- 回到顶部 ---------- */
.to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  padding: 0;
  color: #fff;
  background: var(--c-primary);
  border: 0;
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  cursor: pointer;
}
.to-top:hover { background: var(--c-primary-dark); }

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--c-primary);
  color: #fff;
  border-radius: 8px;
  transition: top 0.18s ease;
}
.skip-link:focus { top: 12px; }

/* ---------- 断点：≥640px ---------- */
@media (min-width: 640px) {
  .stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-form { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .field-full { grid-column: 1 / -1; }
  .footer-inner { grid-template-columns: 1fr 1fr; align-items: start; }
  .footer-legal { grid-column: 1 / -1; }
}

/* ---------- 断点：≥900px ---------- */
@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .primary-nav {
    position: static;
    display: flex !important;
    flex-direction: row;
    align-items: center;
    gap: 26px;
    padding: 0;
    background: none;
    border: 0;
    box-shadow: none;
    max-height: none;
    overflow: visible;
  }
  .primary-nav ul { flex-direction: row; gap: 24px; }
  .primary-nav ul a { padding: 6px 0; }
  .primary-nav ul a:hover { background: none; color: var(--c-primary); }
  .primary-nav .btn { margin-top: 0; }

  .hero-inner { grid-template-columns: 1.15fr 0.85fr; gap: 48px; }
  .hero-art { display: block; }
  .cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .steps li { padding: 20px 18px; }
  .net-grid { grid-template-columns: 0.9fr 1.1fr; gap: 40px; }
  .facts > div { grid-template-columns: 12em 1fr; }
  .creds { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .contact-grid { grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr); }
}

/* ---------- 断点：≥1200px ---------- */
@media (min-width: 1200px) {
  .wrap { padding: 0 24px; }
  .section-head { margin-bottom: 44px; }
  /* 五步合作流程与大屏五段流程条：仅在宽屏用 5 列，避免 900–1200px 挤压 */
  .steps { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .steps li { padding: 18px 16px; }
  .steps li p { font-size: 0.9rem; }
  .flow-list { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}

/* ---------- 打印 ---------- */
@media print {
  .site-header, .to-top, .hero-art, .contact-form, .scroll-progress { display: none !important; }
  body { color: #000; }
  .section { padding: 16px 0; }
}

/* ---------- 尊重减少动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

/* ---------- 同意勾选（表单） ---------- */
.form-consent { gap: 8px; }
.field .checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--c-ink);
  cursor: pointer;
}
.field .checkbox input[type="checkbox"] {
  width: 20px;
  height: 20px;
  min-height: 20px;
  margin: 2px 0 0;
  padding: 0;
  flex: 0 0 auto;
  accent-color: var(--c-primary);
  cursor: pointer;
}
.field .checkbox a { color: var(--c-primary); text-decoration: underline; }
.field .checkbox input[aria-invalid="true"] { border-color: var(--c-danger); }

/* ---------- 隐私政策页 ---------- */
.legal-hero {
  padding: clamp(36px, 6vw, 64px) 0 22px;
  background: linear-gradient(180deg, var(--c-primary-soft) 0%, #fff 100%);
}
.legal-hero h1 { font-size: clamp(1.6rem, 4.5vw, 2.4rem); }
.legal-meta { margin: 8px 0 0; font-size: 0.85rem; color: var(--c-muted); }

.legal-doc { max-width: 820px; margin: 0 auto; padding: 24px 0 8px; }
.legal-updated { font-size: 0.96rem; color: var(--c-ink); }

.legal-toc {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin: 20px 0 28px;
}
.legal-toc h2 { font-size: 1rem; margin: 0 0 10px; }
.legal-toc ol { padding-left: 24px; }
.legal-toc li { list-style: decimal; margin: 6px 0; color: var(--c-muted); font-size: 0.92rem; }
.legal-toc a { color: var(--c-primary); }

.legal-section { padding: 18px 0; border-top: 1px solid var(--c-line); }
.legal-section:first-of-type { border-top: 0; }
.legal-section h2 { font-size: 1.2rem; color: var(--c-primary); margin-bottom: 10px; }
.legal-section h3 { font-size: 1rem; margin: 14px 0 6px; }
.legal-section p, .legal-section li { color: var(--c-ink); font-size: 0.96rem; }
.legal-section ul.bullets { padding-left: 22px; }
.legal-section ul.bullets li { list-style: disc; margin: 6px 0; }
.legal-section b, .legal-section strong { font-weight: 700; color: var(--c-ink); }

.legal-callout {
  margin: 14px 0;
  padding: 16px 18px;
  border-radius: var(--radius);
  background: #FFFDF8;
  border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-accent);
}
.legal-callout p { margin: 0; font-size: 0.94rem; color: var(--c-muted); }

/* ---------- 关于：资质矩阵 ---------- */
.creds-title { margin: 26px 0 12px; font-size: 1.05rem; color: var(--c-primary); }
.creds {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}
.creds li {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--c-ink);
  background: var(--c-primary-soft);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

/* ---------- 中心网络：政府合作网络 ---------- */
.coop { margin-top: 36px; }
.coop-title { margin: 0 0 10px; font-size: 1.05rem; color: var(--c-primary); }
.coop-title-2 { margin-top: 22px; }
.coop-desc { margin: 0 0 12px; font-size: 0.95rem; color: var(--c-muted); }
.coop-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 8px; }
.coop-tags li {
  font-size: 0.88rem;
  font-weight: 600;
  color: #fff;
  background: var(--c-teal);
  border-radius: 999px;
  padding: 5px 14px;
}
.coop-orgs { margin: 0; }
.coop-orgs li {
  font-size: 0.95rem;
  color: var(--c-ink);
  padding: 6px 0;
  border-bottom: 1px dashed var(--c-line);
}
.coop-orgs li:last-child { border-bottom: 0; }
.coop-note {
  margin: 14px 0 0;
  font-size: 0.84rem;
  color: var(--c-muted);
  background: #FFF8EC;
  border-left: 3px solid var(--c-accent);
  padding: 10px 12px;
  border-radius: 6px;
}

/* ---------- 公益：体量数据 + 政策依据 ---------- */
.welfare-figures {
  margin: 14px 0 0;
  font-size: 0.9rem;
  color: var(--c-muted);
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}
.welfare-figures b { color: var(--c-primary); }
.notice-policy { border-left-color: var(--c-teal); background: #F2F8F8; }

.legal-back { margin: 24px 0 8px; text-align: left; }

@media print {
  .legal-toc { display: none !important; }
}

/* ---------- 跨省运营方标签（T3 口径分层） ---------- */
.loc-tag-cross { background: #6B4FA0; }

/* ---------- 网点卡地址占位行（T3 配套，发布前替换真实地址） ---------- */
.loc-addr { margin: 0 0 10px; font-size: 0.82rem; color: var(--c-muted); line-height: 1.55; }

/* ---------- 五段筛查流程（T5） ---------- */
.flow-strip { margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--c-line); }
.flow-title { font-size: 1rem; color: var(--c-ink); margin-bottom: 14px; }
.flow-list { display: grid; gap: 10px; list-style: none; margin: 0 0 14px; padding: 0; counter-reset: flow; }
.flow-list li {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}
.flow-num {
  flex: 0 0 auto;
  width: 22px; height: 22px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 0.78rem; font-weight: 800;
  color: #fff; background: var(--c-teal); border-radius: 50%;
}
.flow-body { min-width: 0; }
.flow-body b { display: block; font-size: 0.92rem; margin-bottom: 4px; color: var(--c-ink); }
.flow-body p { margin: 0; font-size: 0.82rem; color: var(--c-muted); line-height: 1.6; }
.flow-note { font-size: 0.82rem; color: var(--c-muted); line-height: 1.7; }
/* ≥900px：横向流程带，用箭头连接，语义上更接近「流程」而非并列卡片 */
@media (min-width: 900px) {
  .flow-list { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; }
  .flow-list li { flex-direction: column; background: none; border: 0; border-radius: 0; padding: 0 20px 0 0; }
  .flow-list li:not(:last-child)::after {
    content: "›";
    position: absolute;
    right: 4px; top: 2px;
    font-size: 1.15rem; font-weight: 700;
    color: var(--c-line);
  }
  .flow-num { margin-bottom: 8px; }
}

/* ---------- 公益台账说明（T11） ---------- */
.welfare-note { margin-top: 10px; font-size: 0.82rem; color: var(--c-muted); line-height: 1.7; }

/* ---------- 家长科普页（parents.html，v1.5） ---------- */
.page-hero { background: linear-gradient(180deg, var(--c-primary-soft) 0%, #fff 100%); padding: 40px 0 8px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--c-muted); margin-bottom: 18px; }
.breadcrumb a { color: var(--c-muted); }
.breadcrumb a:hover { color: var(--c-primary); }
.breadcrumb b { color: var(--c-ink); font-weight: 600; }
.page-hero h1 { font-size: clamp(1.6rem, 4.5vw, 2.3rem); color: var(--c-ink); margin: 0 0 14px; }
.page-hero-desc { color: var(--c-ink); line-height: 1.8; max-width: 46em; }
.page-hero-src { margin-top: 12px; font-size: 0.82rem; color: var(--c-muted); line-height: 1.7; max-width: 46em; }

/* 分年龄卡 */
.age-grid { display: grid; gap: 18px; }
.age-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-sm); }
.age-card h3 { display: flex; flex-direction: column; gap: 4px; margin: 0 0 14px; font-size: 1.08rem; color: var(--c-ink); }
.age-card h3 span { font-size: 0.8rem; font-weight: 600; color: var(--c-teal); }
.age-note { margin: 12px 0 0; padding-top: 10px; border-top: 1px dashed var(--c-line); font-size: 0.8rem; color: var(--c-muted); line-height: 1.6; }

/* 屈光四则卡 */
.basics-grid { display: grid; gap: 18px; }
.basics-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-sm); }
.basics-card h3 { margin: 0 0 12px; font-size: 1.1rem; color: var(--c-primary); }
.basics-card p { margin: 0 0 10px; font-size: 0.92rem; color: var(--c-ink); line-height: 1.75; }
.basics-alert { margin: 12px 0 0 !important; padding: 10px 12px; background: #FFF6F2; border-left: 3px solid var(--c-accent); border-radius: 6px; font-size: 0.86rem !important; color: var(--c-ink); }

/* 行动清单 */
.cl-grid { display: grid; gap: 18px; }
.cl-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-sm); }
.cl-card h3 { margin: 0 0 12px; font-size: 1.05rem; color: var(--c-ink); }
.cl-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.cl-list li { font-size: 0.9rem; color: var(--c-ink); line-height: 1.7; padding-left: 2px; }
.cl-list.cl-alert li { color: #7A3B10; }

/* 报告解读 */
.report-grid { display: grid; gap: 14px; }
.report-item { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-sm); padding: 16px 18px; }
.report-item b { display: block; margin-bottom: 6px; color: var(--c-primary); font-size: 1rem; }
.report-item p { margin: 0; font-size: 0.88rem; color: var(--c-muted); line-height: 1.7; }

/* FAQ */
.faq-list { display: grid; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-sm); overflow: hidden; }
.faq-item summary { cursor: pointer; padding: 15px 18px; font-size: 0.95rem; font-weight: 600; color: var(--c-ink); list-style: none; display: flex; align-items: center; justify-content: space-between; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.15rem; font-weight: 700; color: var(--c-primary); }
.faq-item[open] summary::after { content: "−"; }
.faq-item[open] summary { border-bottom: 1px solid var(--c-line); }
.faq-body { padding: 14px 18px; }
.faq-body p { margin: 0; font-size: 0.9rem; color: var(--c-ink); line-height: 1.8; }

/* CTA */
.cta-center { text-align: center; margin: 0; }

/* 响应式 */
@media (min-width: 900px) {
  .age-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .basics-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cl-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .report-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}


/* ===== 项目合作页（cooperation.html） ===== */
.coop-roles { margin: 10px 0 0; padding: 10px 12px; background: var(--c-bg-alt, #F4F8F7); border-left: 3px solid var(--c-primary); border-radius: 4px; font-size: 0.85rem; color: var(--c-ink); line-height: 1.9; }
.coop-grid { display: grid; gap: 14px; }
.coop-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-sm); padding: 18px 20px; }
.coop-card h3 { margin: 0 0 8px; color: var(--c-primary); font-size: 1rem; }
.coop-card p { margin: 0; font-size: 0.9rem; color: var(--c-ink); line-height: 1.8; }
.coop-case { display: block; margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--c-line); font-size: 0.85rem; color: var(--c-muted); }
.coop-creds li { color: var(--c-ink); }
.coop-cred-note { margin: 12px 0 0; font-size: 0.85rem; color: var(--c-muted); }

/* ===== 关于我们页（about.html） ===== */
.timeline { position: relative; margin: 0; padding: 0 0 0 26px; list-style: none; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: var(--c-line); }
.tl-item { position: relative; padding: 0 0 18px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before { content: ""; position: absolute; left: -24px; top: 5px; width: 12px; height: 12px; border-radius: 50%; background: var(--c-primary); border: 2px solid #fff; box-shadow: 0 0 0 2px var(--c-primary); }
.tl-year { margin: 0 0 4px; font-weight: 700; color: var(--c-primary); font-size: 1rem; }
.tl-body { margin: 0; font-size: 0.92rem; color: var(--c-ink); line-height: 1.8; }
.tl-pending .tl-year { color: var(--c-muted); }
.tl-pending::before { background: #fff; box-shadow: 0 0 0 2px var(--c-line); }
.tl-pending .tl-body { color: var(--c-muted); }

/* 响应式补充 */
@media (min-width: 900px) {
  .coop-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* ===== 企业微信在线客服悬浮入口（零依赖：纯链接，不加载外部脚本） ===== */
.cs-fab {
  position: fixed;
  right: 18px;
  bottom: 78px; /* 位于「回到顶部」按钮上方 */
  z-index: 40;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 10px 14px;
  border: none;
  border-radius: 12px;
  background: var(--c-primary, #0E6E5C);
  color: #fff;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(14, 110, 92, 0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.cs-fab:hover, .cs-fab:focus-visible { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(14, 110, 92, 0.45); }
.cs-fab .cs-head { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; font-weight: 600; }
.cs-fab .cs-dot { width: 8px; height: 8px; border-radius: 50%; background: #5BD99A; }
.cs-fab.cs-off .cs-dot { background: #A9B7C6; }
.cs-fab .cs-hours { font-size: 0.7rem; opacity: 0.85; }
.cs-fab .cs-tip { max-width: 170px; font-size: 0.68rem; line-height: 1.5; opacity: 0.9; text-align: center; }

@media (max-width: 640px) {
  .cs-fab { right: 12px; bottom: 72px; padding: 8px 12px; }
  .cs-fab .cs-tip { display: none; }
}

/* 公益报告下载 */
.welfare-dl { margin: 8px 0 0; }
.welfare-dl a { font-size: 0.85rem; color: var(--c-primary); font-weight: 600; }

/* 网点卡：服务人员与电话 */
.loc-person { margin: 4px 0 0; font-size: 0.82rem; color: var(--c-ink); line-height: 1.6; }