/*
Theme Name: 好孕时光 IVF-Yunyu
Theme URI: https://yunyu.ivf-home.xyz
Author: IVF Home Cloud
Author URI: https://www.ivf-home.xyz
Description: 孕产知识科普网站主题（美柚风格）：试管婴儿、正常怀孕、产检知识 + 免注册小工具（孕周计算器、产检时间表、食物能不能吃查询）。纯内容只读站，不含注册与评论。
Version: 1.1.1
Requires at least: 6.0
Tested up to: 6.8
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: ivf-yunyu
Tags: pink, knowledge, education, mobile-first, no-comments
*/

/* ===================== 变量与基础 ===================== */
:root {
  --primary: #FF6B8A;
  --primary-strong: #F94F76;
  --primary-deep: #E53E66;
  --pink-100: #FFF0F4;
  --pink-50: #FFF8FA;
  --grad-primary: linear-gradient(135deg, #FF9AA8 0%, #FF6B8A 100%);
  --grad-hero: linear-gradient(160deg, #FF8FA0 0%, #FF6B8A 55%, #F94F76 100%);
  --text: #3A3A44;
  --text-2: #77777F;
  --text-3: #A5A5AE;
  --bg: #F7F6F9;
  --card: #FFFFFF;
  --line: #F0EDF2;
  --green: #2FAF7B;
  --green-bg: #EAF9F1;
  --orange: #F08C1E;
  --orange-bg: #FEF4E5;
  --red: #E8544A;
  --red-bg: #FDEEEC;
  --blue: #4A90D9;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 16px rgba(249, 79, 118, 0.08);
  --shadow-hover: 0 8px 24px rgba(249, 79, 118, 0.16);
  --maxw: 1100px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary-strong); text-decoration: none; }
a:hover { color: var(--primary-deep); }
img { max-width: 100%; height: auto; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 16px; }

/* ===================== 顶部导航 ===================== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 12px; height: 56px; }

.site-brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1.15rem; color: var(--primary-strong); }
.site-brand .logo-mark {
  width: 32px; height: 32px; border-radius: 10px;
  background: var(--grad-primary); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 17px;
  box-shadow: 0 3px 8px rgba(249, 79, 118, 0.35);
}

.main-nav { display: none; }
.main-nav ul { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.main-nav a {
  display: block; padding: 7px 14px; border-radius: 999px;
  color: var(--text); font-size: 0.95rem; font-weight: 500;
}
.main-nav a:hover { background: var(--pink-100); color: var(--primary-strong); }
.main-nav .current-menu-item > a,
.main-nav .current_page_item > a { background: var(--grad-primary); color: #fff; box-shadow: 0 3px 8px rgba(249,79,118,.3); }

.header-actions { margin-left: auto; flex: 1; min-width: 0; display: flex; align-items: center; justify-content: flex-end; gap: 8px; }
.search-toggle, .nav-toggle {
  border: none; background: var(--pink-100); color: var(--primary-strong);
  width: 34px; height: 34px; border-radius: 50%; font-size: 15px; cursor: pointer; flex-shrink: 0; line-height: 1;
}
.nav-toggle { font-size: 16px; }

/* 头部搜索：桌面端始终展开；移动端点击展开 */
.header-search-zone { display: flex; align-items: center; gap: 8px; justify-content: flex-end; }
.header-inline-search {
  display: flex; align-items: center; gap: 6px;
  width: 0; opacity: 0; overflow: hidden;
  transition: width 0.25s ease, opacity 0.2s ease, max-width 0.25s ease;
}
.header-inline-search.is-open { width: 100%; max-width: none; opacity: 1; }
.header-inline-search input[type="search"] {
  width: 100%; min-width: 0; padding: 8px 16px;
  border: 1.5px solid var(--pink-100); border-radius: 999px;
  background: var(--pink-50); font-size: 0.9rem; outline: none; color: var(--text);
  font-family: inherit;
}
.header-inline-search input[type="search"]:focus { border-color: var(--primary); }
.header-inline-search input[type="search"]::-webkit-search-cancel-button { -webkit-appearance: none; }
.header-inline-search button[type="submit"] {
  border: none; background: var(--grad-primary); color: #fff;
  width: 34px; height: 34px; border-radius: 50%; font-size: 14px; cursor: pointer; flex-shrink: 0;
  box-shadow: 0 3px 8px rgba(249, 79, 118, 0.3);
}

/* 展开时由表单内的提交按钮顶替切换按钮，避免出现两个放大镜 */
.site-header.search-open .search-toggle { display: none; }

/* 桌面端：搜索常驻展开，隐藏切换按钮 */
@media (min-width: 768px) {
  .header-inline-search { width: 100%; max-width: 230px; opacity: 1; }
  .search-toggle { display: none; }
}
/* 平板区间：压缩搜索宽度，品牌只留 logo */
@media (min-width: 768px) and (max-width: 1023px) {
  .header-inline-search { max-width: 150px; }
  .site-brand a { display: none; }
  .main-nav { margin-left: 14px; }
  .main-nav a { padding: 7px 9px; font-size: 0.9rem; }
}

/* 移动端展开搜索时收起品牌文字腾出空间 */
@media (max-width: 767px) {
  .site-header.search-open .site-brand a { display: none; }
  .header-inline-search.is-open { max-width: none; }
}

/* 移动端抽屉菜单 */
.mobile-nav { display: block; max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.mobile-nav.is-open { max-height: 420px; border-top: 1px solid var(--line); }
.mobile-nav ul { list-style: none; margin: 0; padding: 8px 16px 14px; }
.mobile-nav li { border-bottom: 1px dashed var(--line); }
.mobile-nav li:last-child { border-bottom: none; }
.mobile-nav a { display: flex; align-items: center; gap: 10px; padding: 11px 4px; color: var(--text); font-weight: 500; }
.mobile-nav a .ico { font-size: 1.1rem; }
.mobile-nav .current-menu-item > a { color: var(--primary-strong); }

@media (min-width: 768px) {
  .header-inner { height: 64px; }
  .main-nav { display: block; margin-left: 28px; }
  .nav-toggle { display: none; }
  .mobile-nav { display: none; }
}

/* ===================== 首页 Hero ===================== */
.hero {
  background: var(--grad-hero);
  padding: 36px 0 64px;
  border-radius: 0 0 28px 28px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.hero::before, .hero::after {
  content: ""; position: absolute; border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
}
.hero::before { width: 220px; height: 220px; top: -80px; right: -60px; }
.hero::after { width: 140px; height: 140px; bottom: -40px; left: -40px; }

.hero-inner { position: relative; z-index: 1; text-align: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255, 255, 255, 0.2); border: 1px solid rgba(255,255,255,.35);
  border-radius: 999px; padding: 4px 14px; font-size: 0.8rem; margin-bottom: 14px;
}
.hero h1 { margin: 0 0 10px; font-size: 1.65rem; line-height: 1.4; font-weight: 700; }
.hero .hero-sub { opacity: 0.92; font-size: 0.95rem; margin: 0 0 22px; }

.hero-search { max-width: 560px; margin: 0 auto; position: relative; }
.hero-search input[type="search"] {
  width: 100%; padding: 13px 100px 13px 22px; border: none; border-radius: 999px;
  font-size: 1rem; outline: none; color: var(--text);
  box-shadow: 0 8px 24px rgba(180, 30, 70, 0.25);
}
.hero-search button {
  position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  border: none; background: var(--grad-primary); color: #fff;
  padding: 10px 22px; border-radius: 999px; font-size: 0.9rem; cursor: pointer; font-weight: 500;
}
.hero-hotwords { margin-top: 14px; font-size: 0.8rem; opacity: .95; }
.hero-hotwords a { color: #fff; margin: 0 6px; }
.hero-hotwords a:hover { text-decoration: underline; }

@media (min-width: 768px) {
  .hero { padding: 56px 0 76px; }
  .hero h1 { font-size: 2.2rem; }
}

/* ===================== 工具宫格 ===================== */
.tool-grid-wrap { margin: -40px auto 0; position: relative; z-index: 2; padding-bottom: 8px; }
.tool-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.tool-card {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  background: var(--card); border-radius: var(--radius); padding: 16px 8px 14px;
  box-shadow: var(--shadow); color: var(--text);
  transition: transform .2s ease, box-shadow .2s ease; text-align: center;
}
.tool-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); color: var(--text); }
.tool-card .tool-ico {
  width: 44px; height: 44px; border-radius: 14px; font-size: 22px;
  display: flex; align-items: center; justify-content: center;
}
.tool-card:nth-child(1) .tool-ico { background: var(--pink-100); }
.tool-card:nth-child(2) .tool-ico { background: var(--pink-100); }
.tool-card:nth-child(3) .tool-ico { background: var(--green-bg); }
.tool-card:nth-child(4) .tool-ico { background: var(--orange-bg); }
.tool-card .tool-name { font-weight: 600; font-size: 0.92rem; }
.tool-card .tool-desc { font-size: 0.72rem; color: var(--text-3); }

@media (min-width: 768px) {
  .tool-grid { grid-template-columns: repeat(4, 1fr); gap: 20px; }
  .tool-card { padding: 24px 12px 20px; }
  .tool-card .tool-ico { width: 56px; height: 56px; font-size: 28px; }
  .tool-card .tool-name { font-size: 1.02rem; }
  .tool-card .tool-desc { font-size: 0.8rem; }
}

/* ===================== 通用板块 ===================== */
.section { margin: 26px 0; }
.section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.section-title { display: flex; align-items: center; gap: 8px; font-size: 1.12rem; font-weight: 700; margin: 0; }
.section-title::before { content: ""; width: 5px; height: 18px; border-radius: 3px; background: var(--grad-primary); }
.section-more { font-size: 0.82rem; color: var(--text-3); }

/* ===================== 三大板块入口 ===================== */
.section-entry-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
.section-entry {
  display: flex; align-items: center; gap: 14px;
  background: var(--card); border-radius: var(--radius); padding: 18px 16px;
  box-shadow: var(--shadow); color: var(--text);
  transition: transform .2s ease, box-shadow .2s ease; position: relative; overflow: hidden;
}
.section-entry:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); color: var(--text); }
.section-entry .se-ico {
  width: 54px; height: 54px; border-radius: 16px; font-size: 27px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.se-ivf .se-ico { background: linear-gradient(135deg, #FFE3EA, #FFD1DC); }
.se-preg .se-ico { background: linear-gradient(135deg, #FFE9D6, #FFD9B8); }
.se-check .se-ico { background: linear-gradient(135deg, #DFF5EA, #C8EDDA); }
.section-entry .se-info { flex: 1; min-width: 0; }
.section-entry .se-name { font-weight: 700; font-size: 1.05rem; margin: 0 0 3px; }
.section-entry .se-desc { font-size: 0.8rem; color: var(--text-2); margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.section-entry .se-count { font-size: 0.72rem; color: var(--text-3); background: var(--bg); padding: 3px 10px; border-radius: 999px; flex-shrink: 0; }
.section-entry .se-arrow { color: var(--text-3); flex-shrink: 0; }

@media (min-width: 768px) {
  .section-entry-grid { grid-template-columns: repeat(3, 1fr); }
  .section-entry { flex-direction: column; text-align: center; padding: 26px 18px; }
  .section-entry .se-desc { white-space: normal; }
}

/* ===================== 文章卡片列表 ===================== */
.post-list { display: flex; flex-direction: column; gap: 12px; }
.post-card {
  display: flex; gap: 14px; background: var(--card);
  border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease; color: var(--text);
}
.post-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); color: var(--text); }
.post-card .pc-cover {
  width: 96px; height: 96px; border-radius: var(--radius-sm); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 34px;
  background: var(--pink-100); overflow: hidden;
}
.post-card .pc-cover img { width: 100%; height: 100%; object-fit: cover; }
.post-card .pc-body { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.post-card .pc-cate {
  display: inline-flex; align-self: flex-start; font-size: 0.7rem; font-weight: 500;
  color: var(--primary-strong); background: var(--pink-100);
  padding: 2px 10px; border-radius: 999px; margin-bottom: 6px;
}
.post-card .pc-title {
  font-size: 1rem; font-weight: 600; margin: 0 0 6px; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.post-card .pc-excerpt {
  font-size: 0.8rem; color: var(--text-2); margin: 0 0 8px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.post-card .pc-meta { margin-top: auto; font-size: 0.72rem; color: var(--text-3); display: flex; gap: 12px; }

@media (min-width: 768px) {
  .post-card { padding: 18px; }
  .post-card .pc-cover { width: 120px; height: 90px; font-size: 40px; }
}

/* ===================== 分类页 ===================== */
.cate-hero {
  background: var(--grad-hero); color: #fff;
  border-radius: 0 0 28px 28px; padding: 30px 0 44px; text-align: center;
}
.cate-hero .ch-ico { font-size: 2.4rem; display: block; margin-bottom: 8px; }
.cate-hero h1 { margin: 0 0 6px; font-size: 1.5rem; }
.cate-hero .ch-desc { font-size: 0.88rem; opacity: .92; max-width: 560px; margin: 0 auto; }

.subcat-bar { margin: -28px auto 0; padding: 0 16px; max-width: var(--maxw); position: relative; z-index: 2; }
.subcat-bar .scroller {
  display: flex; gap: 8px; overflow-x: auto; padding: 10px;
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  scrollbar-width: none;
}
.subcat-bar .scroller::-webkit-scrollbar { display: none; }
.subcat-bar a {
  flex-shrink: 0; padding: 7px 16px; border-radius: 999px;
  background: var(--bg); color: var(--text-2); font-size: 0.85rem; white-space: nowrap;
}
.subcat-bar a:hover { background: var(--pink-100); color: var(--primary-strong); }
.subcat-bar a.is-active { background: var(--grad-primary); color: #fff; }

.archive-main { padding-top: 18px; }

/* ===================== 文章详情 ===================== */
.breadcrumb { font-size: 0.78rem; color: var(--text-3); padding: 14px 0 4px; }
.breadcrumb a { color: var(--text-3); }
.breadcrumb a:hover { color: var(--primary-strong); }
.breadcrumb .sep { margin: 0 6px; }

.single-hero { text-align: center; padding: 10px 0 4px; }
.single-hero h1.entry-title { font-size: 1.4rem; line-height: 1.5; margin: 8px 0 12px; }
.entry-meta { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; font-size: 0.75rem; color: var(--text-3); }
.entry-meta .meta-cate { color: var(--primary-strong); background: var(--pink-100); padding: 2px 12px; border-radius: 999px; }

.article-body {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 22px 18px 28px; margin-top: 16px;
}
@media (min-width: 768px) { .article-body { padding: 36px 44px; } }

.entry-content { font-size: 0.98rem; color: var(--text); }
.entry-content h2 {
  font-size: 1.15rem; margin: 30px 0 14px; padding-left: 12px;
  border-left: 4px solid var(--primary); line-height: 1.45;
}
.entry-content h3 { font-size: 1.02rem; margin: 22px 0 10px; color: var(--primary-deep); }
.entry-content p { margin: 0 0 14px; }
.entry-content ul, .entry-content ol { padding-left: 1.3em; margin: 0 0 14px; }
.entry-content li { margin-bottom: 6px; }
.entry-content strong { color: var(--primary-deep); }
.entry-content table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 0.85rem; display: block; overflow-x: auto; }
.entry-content th { background: var(--pink-100); color: var(--primary-deep); font-weight: 600; }
.entry-content th, .entry-content td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; }
.entry-content tr:nth-child(even) td { background: var(--pink-50); }
.entry-content blockquote {
  margin: 16px 0; padding: 12px 18px; border-left: 4px solid var(--primary);
  background: var(--pink-50); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--text-2);
}
.entry-content img { border-radius: var(--radius-sm); }

.medical-disclaimer {
  margin-top: 26px; padding: 13px 16px; border-radius: var(--radius-sm);
  background: var(--orange-bg); border: 1px dashed var(--orange);
  font-size: 0.8rem; color: #9A6A1F; line-height: 1.8;
}

.post-nav { display: flex; gap: 10px; margin-top: 18px; }
.post-nav a {
  flex: 1; background: var(--card); border-radius: var(--radius-sm); box-shadow: var(--shadow);
  padding: 12px 14px; font-size: 0.82rem; color: var(--text-2);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.post-nav a:hover { color: var(--primary-strong); }
.post-nav .next { text-align: right; }

/* ===================== 相关阅读 ===================== */
.related-grid { display: grid; grid-template-columns: 1fr; gap: 10px; }
@media (min-width: 640px) { .related-grid { grid-template-columns: repeat(3, 1fr); } }
.related-card {
  background: var(--card); border-radius: var(--radius-sm); box-shadow: var(--shadow);
  padding: 14px; color: var(--text); font-size: 0.86rem; font-weight: 500; line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.related-card:hover { color: var(--primary-strong); }

/* ===================== 工具页 ===================== */
.tool-hero {
  background: var(--grad-hero); color: #fff; text-align: center;
  border-radius: 0 0 28px 28px; padding: 30px 16px 40px;
}
.tool-hero .th-ico { font-size: 2.2rem; display: block; margin-bottom: 6px; }
.tool-hero h1 { margin: 0 0 6px; font-size: 1.35rem; }
.tool-hero p { margin: 0; font-size: 0.85rem; opacity: .92; }

.tool-panel {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 20px 16px; margin: -24px auto 0; position: relative; z-index: 2; max-width: 720px;
}
.tool-panel .field { margin-bottom: 14px; text-align: left; }
.tool-panel label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.tool-panel input[type="date"], .tool-panel input[type="number"], .tool-panel input[type="search"], .tool-panel select {
  width: 100%; padding: 11px 14px; border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  font-size: 1rem; outline: none; background: var(--pink-50); color: var(--text);
  font-family: inherit;
}
/* 食物查询页主搜索框：胶囊形，与整站搜索风格一致 */
.tool-panel input[type="search"] {
  border-radius: 999px; padding: 13px 20px; box-shadow: var(--shadow);
}
.tool-panel input[type="search"]::-webkit-search-cancel-button { -webkit-appearance: none; }
.tool-panel input:focus, .tool-panel select:focus { border-color: var(--primary); }
.tool-panel .btn-primary {
  width: 100%; border: none; background: var(--grad-primary); color: #fff;
  padding: 13px; border-radius: 999px; font-size: 1rem; font-weight: 600; cursor: pointer;
  box-shadow: 0 6px 16px rgba(249, 79, 118, 0.35); margin-top: 6px;
}
.tool-panel .btn-primary:hover { filter: brightness(1.05); }
.tool-panel .btn-primary:disabled { opacity: .6; cursor: not-allowed; }

/* 备孕计算器：排卵期小日历 */
.ovu-calendar { margin-top: 16px; display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 640px) { .ovu-calendar { grid-template-columns: repeat(2, 1fr); } }
.ovu-month {
  background: var(--pink-50); border: 1px solid var(--pink-100);
  border-radius: var(--radius-sm); padding: 12px 10px 10px;
}
.ovu-month-title { text-align: center; font-weight: 700; font-size: 0.92rem; margin-bottom: 8px; color: var(--primary-deep); }
.ovu-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 3px; }
.ovu-week { text-align: center; font-size: 0.68rem; color: var(--text-3); padding: 2px 0 6px; }
.ovu-day {
  position: relative; aspect-ratio: 1 / 1; display: flex; align-items: center; justify-content: center;
  font-size: 0.82rem; color: var(--text); border-radius: 8px; line-height: 1;
}
.ovu-day.is-period { background: #FFD3DC; color: #C2255C; font-weight: 600; }
.ovu-day.is-fertile { background: #FFE5B8; color: #D9480F; font-weight: 600; }
.ovu-day.is-ovu {
  background: var(--grad-primary); color: #fff; font-weight: 700;
  box-shadow: 0 3px 8px rgba(249, 79, 118, 0.35);
}
.ovu-day.is-ovu .ovu-heart {
  position: absolute; font-style: normal; font-size: 0.6em; top: 1px; right: 2px; opacity: .95;
}
.ovu-day.is-period-next { background: #FFD3DC; color: #C2255C; opacity: .4; }
.ovu-day.is-fertile-next { background: #FFE5B8; color: #D9480F; opacity: .4; }
.ovu-day.is-ovu-next { background: var(--grad-primary); color: #fff; opacity: .4; }
.ovu-day.is-today { outline: 2px solid var(--blue); outline-offset: -2px; font-weight: 700; }
.ovu-legend {
  display: flex; flex-wrap: wrap; gap: 8px 14px; margin-top: 12px;
  font-size: 0.72rem; color: var(--text-2); align-items: center;
}
.ovu-legend .lg {
  display: inline-block; width: 14px; height: 14px; border-radius: 4px;
  vertical-align: -2px; margin-right: 4px; text-align: center; line-height: 14px; font-size: 10px;
}
.ovu-legend .lg-period { background: #FFD3DC; }
.ovu-legend .lg-fertile { background: #FFE5B8; }
.ovu-legend .lg-ovu { background: var(--grad-primary); color: #fff; }
.ovu-legend .lg-today { outline: 2px solid var(--blue); outline-offset: -2px; background: transparent; }
.ovu-legend .lg-next { color: var(--text-3); }

/* 孕周计算结果 */
.calc-result { display: none; margin-top: 20px; }
.calc-result.is-visible { display: block; }
.calc-week-card {
  background: var(--grad-hero); color: #fff; border-radius: var(--radius);
  padding: 22px 16px; text-align: center;
}
.calc-week-card .cw-label { font-size: 0.8rem; opacity: .9; }
.calc-week-card .cw-value { font-size: 2rem; font-weight: 800; margin: 4px 0 2px; }
.calc-week-card .cw-sub { font-size: 0.82rem; opacity: .95; }
.calc-days-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 12px; }
.calc-days-row .cd-item { background: var(--pink-50); border-radius: var(--radius-sm); padding: 10px 6px; text-align: center; }
.calc-days-row .cd-num { font-size: 1.05rem; font-weight: 700; color: var(--primary-strong); }
.calc-days-row .cd-label { font-size: 0.7rem; color: var(--text-3); }
.calc-trimester {
  margin-top: 12px; padding: 12px 16px; background: var(--pink-50);
  border-radius: var(--radius-sm); font-size: 0.85rem; color: var(--text-2); line-height: 1.8;
}
.calc-trimester b { color: var(--primary-deep); }

/* 产检时间表 */
.week-input-row { display: flex; gap: 10px; align-items: flex-end; }
.week-input-row .field { flex: 1; margin-bottom: 0; }
.checkup-note {
  margin-top: 10px; font-size: 0.75rem; color: var(--text-3); text-align: center;
}
.checkup-table { margin-top: 20px; display: none; }
.checkup-table.is-visible { display: block; }
.cu-item {
  background: var(--pink-50); border-radius: var(--radius-sm); padding: 13px 14px; margin-bottom: 10px;
  border: 1.5px solid transparent;
}
.cu-item .cu-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.cu-item .cu-week {
  background: var(--grad-primary); color: #fff; font-size: 0.72rem; font-weight: 600;
  padding: 2px 10px; border-radius: 999px;
}
.cu-item .cu-name { font-weight: 600; font-size: 0.92rem; }
.cu-item .cu-items { font-size: 0.8rem; color: var(--text-2); margin: 7px 0 0; line-height: 1.8; }
.cu-item .cu-tag {
  font-size: 0.68rem; padding: 1px 8px; border-radius: 999px; margin-left: auto;
}
.cu-item.is-current { border-color: var(--primary); background: var(--pink-100); }
.cu-item.is-next { border-color: var(--orange); }
.cu-tag.tag-done { background: var(--green-bg); color: var(--green); }
.cu-tag.tag-current { background: var(--primary); color: #fff; }
.cu-tag.tag-next { background: var(--orange-bg); color: var(--orange); }

/* 食物查询 */
.food-filter-bar { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; margin-bottom: 12px; scrollbar-width: none; }
.food-filter-bar::-webkit-scrollbar { display: none; }
.food-filter-bar button {
  flex-shrink: 0; border: none; padding: 7px 16px; border-radius: 999px;
  background: var(--bg); color: var(--text-2); font-size: 0.82rem; cursor: pointer; font-family: inherit;
}
.food-filter-bar button:hover { background: var(--pink-100); color: var(--primary-strong); }
.food-filter-bar button.is-active { background: var(--grad-primary); color: #fff; }
.food-status-legend { display: flex; gap: 14px; font-size: 0.75rem; color: var(--text-3); margin-bottom: 12px; flex-wrap: wrap; }
.food-status-legend .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 4px; }
.food-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (min-width: 640px) { .food-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px) { .food-grid { grid-template-columns: repeat(4, 1fr); } }
.food-card {
  background: var(--card); border-radius: var(--radius-sm); box-shadow: var(--shadow);
  padding: 12px; cursor: pointer; transition: transform .15s ease; border: 1.5px solid transparent;
}
.food-card:hover { transform: translateY(-2px); }
.food-card .fc-top { display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.food-card .fc-name { font-weight: 600; font-size: 0.92rem; }
.food-card .fc-emoji { font-size: 1.15rem; }
.food-card .fc-reason { font-size: 0.72rem; color: var(--text-3); margin-top: 6px; line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.badge { font-size: 0.68rem; font-weight: 600; padding: 2px 9px; border-radius: 999px; flex-shrink: 0; }
.badge-ok { background: var(--green-bg); color: var(--green); }
.badge-careful { background: var(--orange-bg); color: var(--orange); }
.badge-avoid { background: var(--red-bg); color: var(--red); }
.food-card.is-ok { border-color: #D3F0E2; }
.food-card.is-careful { border-color: #F8E3C3; }
.food-card.is-avoid { border-color: #F8D4D0; }
.food-empty { text-align: center; color: var(--text-3); font-size: 0.85rem; padding: 30px 0; grid-column: 1 / -1; }

/* ===================== 搜索/404/页面 ===================== */
.page-card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 24px 18px 30px; margin-top: 16px;
}
.page-card h1 { margin: 0 0 14px; font-size: 1.3rem; }
.page-card .entry-content { font-size: 0.95rem; }

.search-title-desc { color: var(--text-2); font-size: 0.88rem; margin: 14px 0; }
.search-title-desc b { color: var(--primary-strong); }

.error-404 { text-align: center; padding: 50px 16px; }
.error-404 .e404-emoji { font-size: 3.4rem; display: block; margin-bottom: 12px; }
.error-404 h1 { font-size: 1.3rem; }
.error-404 p { color: var(--text-2); font-size: 0.88rem; }
.error-404 .btn-back {
  display: inline-block; margin-top: 14px; background: var(--grad-primary); color: #fff;
  padding: 10px 30px; border-radius: 999px; font-size: 0.9rem;
}

/* ===================== 分页 ===================== */
.pagination { margin: 26px 0 10px; }
.pagination .nav-links { display: flex; justify-content: center; gap: 6px; flex-wrap: wrap; }
.pagination .page-numbers {
  min-width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%; background: var(--card); box-shadow: var(--shadow);
  font-size: 0.85rem; color: var(--text-2); padding: 0 10px;
}
.pagination .page-numbers.current { background: var(--grad-primary); color: #fff; }
.pagination a.page-numbers:hover { color: var(--primary-strong); }

/* ===================== 页脚 ===================== */
.site-footer { background: #2E2833; color: #B9B2BE; margin-top: 40px; padding: 30px 0 26px; font-size: 0.8rem; }
.footer-brand { display: flex; align-items: center; gap: 8px; justify-content: center; color: #fff; font-weight: 700; font-size: 1.05rem; margin-bottom: 12px; }
.footer-brand .logo-mark { width: 28px; height: 28px; font-size: 15px; }
.footer-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 22px; margin-bottom: 14px; }
.footer-links a { color: #B9B2BE; }
.footer-links a:hover { color: #fff; }
.footer-disclaimer {
  max-width: 720px; margin: 0 auto 14px; text-align: center; line-height: 1.9;
  color: #8E8797; font-size: 0.72rem;
}
.footer-copy { text-align: center; color: #8E8797; font-size: 0.72rem; line-height: 2; }
.footer-copy a { color: #8E8797; text-decoration: none; }
.footer-copy a:hover { color: #fff; }
.footer-sep { margin: 0 8px; opacity: .6; }

/* 回到顶部 */
.back-top {
  position: fixed; right: 16px; bottom: 20px; width: 42px; height: 42px;
  border-radius: 50%; border: none; background: var(--grad-primary); color: #fff;
  font-size: 17px; cursor: pointer; box-shadow: 0 6px 16px rgba(249,79,118,.4);
  display: none; z-index: 90;
}
.back-top.is-visible { display: block; }

/* WordPress 必要样式类 */
.screen-reader-text {
  border: 0; clip: rect(1px, 1px, 1px, 1px); clip-path: inset(50%);
  height: 1px; width: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute;
}
.aligncenter { display: block; margin-left: auto; margin-right: auto; }
.alignleft { float: left; margin: 6px 16px 10px 0; }
.alignright { float: right; margin: 6px 0 10px 16px; }
.wp-caption { max-width: 100%; }
.sticky { display: block; }