/* ============ CSS变量与重置 ============ */
:root {
    --primary: #2d6a4f;
    --primary-light: #40916c;
    --primary-lighter: #52b788;
    --primary-bg: #d8f3dc;
    --secondary: #b7e4c7;
    --accent: #95d5b2;
    --bg: #f6f9f7;
    --card-bg: #ffffff;
    --text: #1a1a2e;
    --text-secondary: #4a4a5a;
    --text-muted: #6b7280;
    --border: #e5e7eb;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
    --font-sans: 'PingFang SC','Microsoft YaHei','Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
    --max-width: 1200px;
    --header-height: 64px;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body { font-family:var(--font-sans); background:var(--bg); color:var(--text); line-height:1.6; overflow-x:hidden; }
a { text-decoration:none; color:inherit; transition:var(--transition); }
button { cursor:pointer; border:none; background:none; font-family:inherit; font-size:inherit; }
input, select, textarea { font-family:inherit; font-size:inherit; border:none; outline:none; }
.icon { display:inline-block; width:1.2em; height:1.2em; stroke-width:0; stroke:currentColor; fill:currentColor; vertical-align:middle; flex-shrink:0; }
.container { max-width:var(--max-width); margin:0 auto; padding:0 24px; }
.btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:10px 20px; border-radius:var(--radius-sm); font-weight:500; font-size:14px; transition:var(--transition); white-space:nowrap; user-select:none; }
.btn-primary { background:var(--primary); color:#fff; }
.btn-primary:hover { background:var(--primary-light); box-shadow:0 4px 14px rgba(45,106,79,0.3); transform:translateY(-1px); }
.btn-outline { background:transparent; color:var(--primary); border:1.5px solid var(--primary); }
.btn-outline:hover { background:var(--primary-bg); border-color:var(--primary-light); }
.btn-sm { padding:6px 14px; font-size:13px; border-radius:6px; }
.badge {  display: -webkit-box;
  -webkit-line-clamp: 1;        /* 只显示 1 行 */
  -webkit-box-orient: vertical;
  box-sizing: border-box;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  background: var(--primary-bg);
  color: var(--primary);
  overflow: hidden;}
.badge-accent { background:#fef3c7; color:#d97706; }
.card { background:var(--card-bg); border-radius:var(--radius-md); box-shadow:var(--shadow-sm); transition:var(--transition); overflow:hidden; }
.card:hover { box-shadow:var(--shadow-md); transform:translateY(-2px); }
.section-title { font-size:24px; font-weight:700; color:var(--text); margin-bottom:20px; letter-spacing:-0.3px; }
.section-title::after { content:''; display:block; width:48px; height:3px; background:var(--primary); border-radius:2px; margin-top:8px; }
.text-muted { color:var(--text-muted); }

/* ============ 头部导航 ============ */
.header { background:rgba(255,255,255,0.92); backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px); border-bottom:1px solid var(--border); position:sticky; top:0; z-index:1000; height:var(--header-height); display:flex; align-items:center; }
.header-inner { display:flex; align-items:center; justify-content:space-between; width:100%; }
.logo { display:flex; align-items:center; gap:10px; font-size:22px; font-weight:700; color:var(--primary); letter-spacing:-0.5px; }
.logo-icon { width:36px; height:36px; background:var(--primary); border-radius:10px; display:flex; align-items:center; justify-content:center; color:#fff; font-size:18px; font-weight:700; }
.nav-desktop { display:flex; align-items:center; gap:4px; }
.nav-desktop a { padding:8px 16px; border-radius:var(--radius-sm); font-size:14px; font-weight:500; color:var(--text-secondary); position:relative; transition:var(--transition); }
.nav-desktop a:hover, .nav-desktop a.active { color:var(--primary); background:var(--primary-bg); }
.nav-desktop a.active::after { content:''; position:absolute; bottom:-2px; left:50%; transform:translateX(-50%); width:20px; height:3px; background:var(--primary); border-radius:2px; }
.header-actions { display:flex; align-items:center; gap:8px; }
.search-box { display:flex; align-items:center; background:var(--bg); border-radius:24px; padding:6px 14px; gap:8px; border:1.5px solid transparent; transition:var(--transition); width:220px; }
.search-box:focus-within { border-color:var(--primary); background:#fff; box-shadow:0 0 0 3px rgba(45,106,79,0.1); }
.search-box input { background:transparent; border:none; outline:none; font-size:13px; width:100%; color:var(--text); }
.search-box .search-icon { color:var(--text-muted); flex-shrink:0; display:flex; align-items:center; }
.hamburger { display:none; flex-direction:column; gap:5px; padding:8px; border-radius:8px; }
.hamburger span { width:22px; height:2px; background:var(--text); border-radius:2px; transition:var(--transition); }
.hamburger.active span:nth-child(1) { transform:rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity:0; }
.hamburger.active span:nth-child(3) { transform:rotate(-45deg) translate(5px,-5px); }
.mobile-menu { display:none; position:fixed; top:var(--header-height); left:0; right:0; background:#fff; border-bottom:1px solid var(--border); box-shadow:var(--shadow-lg); padding:16px 24px; z-index:999; flex-direction:column; gap:4px; animation:slideDown 0.3s ease; }
.mobile-menu.open { display:flex; }
.mobile-menu a { padding:12px 16px; border-radius:var(--radius-sm); font-size:15px; font-weight:500; color:var(--text-secondary); }
.mobile-menu a:hover, .mobile-menu a.active { color:var(--primary); background:var(--primary-bg); }
@keyframes slideDown { from { opacity:0; transform:translateY(-10px); } to { opacity:1; transform:translateY(0); } }

/* ============ Hero区域 ============ */
.hero { background:linear-gradient(135deg,#1a3c2d 0%,#2d6a4f 40%,#40916c 100%); color:#fff; padding:50px 0 50px; position:relative; overflow:hidden; }
.hero::before { content:''; position:absolute; top:-50%; right:-20%; width:600px; height:600px; background:radial-gradient(circle,rgba(255,255,255,0.06) 0%,transparent 70%); border-radius:50%; }
.hero::after { content:''; position:absolute; bottom:-30%; left:-10%; width:500px; height:500px; background:radial-gradient(circle,rgba(255,255,255,0.04) 0%,transparent 70%); border-radius:50%; }
.hero-inner { display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center; position:relative; z-index:1; }
.hero-text h1 { font-size:42px; font-weight:700; letter-spacing:-1px; line-height:1.2; margin-bottom:16px; }
.hero-text h1 .highlight { color:#95d5b2; }
.hero-text p { font-size:17px; opacity:0.85; line-height:1.7; max-width:480px; margin-bottom:28px; }
.hero-buttons { display:flex; gap:12px; flex-wrap:wrap; }
.hero-buttons .btn-primary { background:#fff; color:var(--primary); font-weight:600; }
.hero-buttons .btn-primary:hover { background:var(--primary-bg); box-shadow:0 4px 20px rgba(255,255,255,0.2); }
.hero-buttons .btn-outline { border-color:rgba(255,255,255,0.5); color:#fff; }
.hero-buttons .btn-outline:hover { background:rgba(255,255,255,0.1); border-color:#fff; }
.hero-stats { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; background:rgba(255,255,255,0.08); border-radius:var(--radius-lg); padding:28px; backdrop-filter:blur(8px); border:1px solid rgba(255,255,255,0.12); }
.hero-stat { text-align:center; }
.hero-stat .number { font-size:32px; font-weight:700; letter-spacing:-1px; }
.hero-stat .label { font-size:13px; opacity:0.75; margin-top:4px; }

/* ============ 频道卡片 ============ */
.channels-section { padding:48px 0 32px; margin-top:-40px; position:relative; z-index:2; }
.channels-grid { display:grid; grid-template-columns:repeat(6,1fr); gap:16px; }
.channel-card { background:var(--card-bg); border-radius:var(--radius-md); padding:24px 16px; text-align:center; cursor:pointer; box-shadow:var(--shadow-sm); transition:var(--transition); border:1.5px solid transparent; display:block; }
.channel-card:hover { box-shadow:var(--shadow-md); border-color:var(--primary-lighter); transform:translateY(-4px); }
.channel-icon { width:48px; height:48px; border-radius:14px; background:var(--primary-bg); display:flex; align-items:center; justify-content:center; margin:0 auto 12px; color:var(--primary); transition:var(--transition); }
.channel-card:hover .channel-icon { background:var(--primary); color:#fff; }
.channel-name { font-weight:600; font-size:16px; color:var(--text); }
.channel-count { font-size:12px; color:var(--text-muted); margin-top:4px; }

/* ============ 内容卡片 ============ */
.content-section { padding:32px 0 48px; }
.content-section-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:20px; }
.view-all { font-size:14px; color:var(--primary); font-weight:500; display:flex; align-items:center; gap:4px; }
.view-all:hover { color:var(--primary-light); gap:8px; }
.content-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.content-card { background:var(--card-bg); border-radius:var(--radius-md); padding:24px; box-shadow:var(--shadow-sm); transition:var(--transition); cursor:pointer; border:1px solid transparent; display:flex; flex-direction:column; gap:12px; }
.content-card:hover { box-shadow:var(--shadow-md); border-color:var(--secondary); transform:translateY(-2px); }
.card-title { font-size:17px; font-weight:600; color:var(--text); line-height:1.4; }
.card-excerpt { font-size:14px; color:var(--text-muted); line-height:1.6; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.card-meta { display:flex; align-items:center; gap:12px; font-size:12px; color:var(--text-muted); margin-top:auto; padding-top:12px; border-top:1px solid var(--border); }

/* ============ 中药卡片特殊 ============ */
.herb-card .herb-visual { display:flex; align-items:center; gap:16px; margin-bottom:8px; }
.herb-card .herb-avatar { width:56px; height:56px; border-radius:50%; background:linear-gradient(135deg,#e8f5e9,#c8e6c9); display:flex; align-items:center; justify-content:center; color:var(--primary); flex-shrink:0; }
.herb-card .herb-info .herb-name { font-weight:600; font-size:16px; color:var(--text); }
.herb-card .herb-info .herb-latin { font-size:12px; color:var(--text-muted); font-style:italic; }

/* ============ 详情页 ============ */
.detail-header { margin-bottom:28px; }
.breadcrumb { display:flex; align-items:center; gap:8px; font-size:13px; color:var(--text-muted); margin-bottom:16px; }
.breadcrumb a { color:var(--primary); }
.breadcrumb .separator { opacity:0.5; }
.detail-header h1 { font-size:32px; font-weight:700; letter-spacing:-0.5px; line-height:1.3; margin-bottom:12px; }
.detail-meta { display:flex; flex-wrap:wrap; gap:16px; font-size:13px; color:var(--text-muted); }
.detail-content { background:var(--card-bg); border-radius:var(--radius-lg); padding:32px; box-shadow:var(--shadow-sm); line-height:1.8; font-size:15px; color:var(--text-secondary); }
.detail-content h2 { font-size:20px; font-weight:600; color:var(--text); margin:24px 0 12px; }
.detail-content p { margin-bottom:16px; }
.detail-content ul { padding-left:24px; margin-bottom:16px; }
.detail-content li { margin-bottom:8px; }
.highlight-box { background:var(--primary-bg); border-left:4px solid var(--primary); padding:16px 20px; border-radius:0 var(--radius-sm) var(--radius-sm) 0; margin:20px 0; font-style:italic; }

/* ============ 经络详情 ============ */
.meridian-visual { background:var(--primary-bg); border-radius:var(--radius-md); padding:24px; text-align:center; margin-bottom:24px; }
.meridian-visual svg { max-width:100%; height:auto; opacity:0.7; }
.acupoint-table { width:100%; border-collapse:collapse; margin-top:16px; }
.acupoint-table th, .acupoint-table td { border:1px solid var(--border); padding:10px 14px; text-align:left; }
.acupoint-table th { background:var(--primary-bg); font-weight:600; }

/* ============ 书籍详情 ============ */
.book-detail-layout { display:grid; grid-template-columns:240px 1fr; gap:32px; }
.book-cover-large { background:linear-gradient(135deg,#e8f5e9,#b7e4c7); border-radius:var(--radius-md); aspect-ratio:3/4; display:flex; align-items:center; justify-content:center; color:var(--primary); }
.book-info h2 { font-size:24px; margin-bottom:8px; }
.book-info .author { color:var(--text-muted); margin-bottom:16px; }
.book-toc { margin-top:24px; }
.book-toc h3 { font-size:18px; margin-bottom:12px; }

/* ============ 经络列表 ============ */
.meridian-list { display:grid; grid-template-columns:repeat(auto-fill,minmax(160px,1fr)); gap:12px; }
.meridian-item { background:var(--card-bg); border-radius:var(--radius-sm); padding:16px; text-align:center; cursor:pointer; box-shadow:var(--shadow-sm); transition:var(--transition); border:1.5px solid transparent; display:block; }
.meridian-item:hover { border-color:var(--primary-lighter); box-shadow:var(--shadow-md); }
.meridian-item .meridian-name { font-weight:600; font-size:14px; color:var(--text); }
.meridian-item .meridian-desc { font-size:12px; color:var(--text-muted); margin-top:4px; }

/* ============ 书籍网格 ============ */
.books-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(200px,1fr)); gap:20px; }
.book-card { background:var(--card-bg); border-radius:var(--radius-md); padding:24px; text-align:center; box-shadow:var(--shadow-sm); transition:var(--transition); cursor:pointer; border:1px solid transparent; display:block; }
.book-card:hover { box-shadow:var(--shadow-md); border-color:var(--secondary); transform:translateY(-4px); }
.book-card .book-cover { width:100%; aspect-ratio:3/4; background:linear-gradient(135deg,#e8f5e9,#b7e4c7); border-radius:var(--radius-sm); display:flex; align-items:center; justify-content:center; color:var(--primary); margin-bottom:16px; }
.book-card .book-title { font-weight:600; font-size:15px; color:var(--text); }
.book-card .book-author { font-size:13px; color:var(--text-muted); margin-top:4px; }

/* ============ Footer ============ */
.footer { background:#1a3c2d; color:rgba(255,255,255,0.8); padding:48px 0 24px; margin-top:64px; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:32px; margin-bottom:32px; }
.footer-brand { font-size:20px; font-weight:700; color:#fff; margin-bottom:12px; }
.footer-desc { font-size:13px; line-height:1.7; opacity:0.75; }
.footer h4 { color:#fff; font-size:14px; font-weight:600; margin-bottom:12px; }
.footer ul { list-style:none; }
.footer ul li { margin-bottom:8px; }
.footer ul li a { font-size:13px; opacity:0.75; transition:var(--transition); }
.footer ul li a:hover { opacity:1; color:#95d5b2; }
.footer-bottom { border-top:1px solid rgba(255,255,255,0.1); padding-top:20px; text-align:center; font-size:12px; opacity:0.6; }



/* ========== 搜索页样式 ========== */
.search-page-header {
    max-width: 700px;
    margin: 0 auto 40px;
}
.search-page-header h1 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 24px;
}
.search-form-page {
    display: flex;
    gap: 10px;
}
.search-form-page input[type="text"] {
    flex: 1;
    padding: 12px 18px;
    border: 2px solid #ddd;
    border-radius: 30px;
    font-size: 15px;
}
.search-form-page button {
    padding: 12px 30px;
    border-radius: 30px;
}

.search-section {
    margin-bottom: 40px;
}
.search-section .section-title {
    font-size: 20px;
    margin-bottom: 16px;
}

.search-item {
    display: block;
    padding: 16px 20px;
    background: #fff;
    border-radius: 8px;
    margin-bottom: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    text-decoration: none;
    transition: all 0.2s;
}
.search-item:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}
.search-item .card-title {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 6px;
}
.search-item .card-excerpt {
    font-size: 13px;
    color: #6b7280;
    line-height: 1.6;
}
.search-item .card-meta {
    font-size: 12px;
    color: #999;
    margin-top: 8px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}
.search-book-link {
    color: #2d6a4f;
    text-decoration: none;
    border-bottom: 1px dashed #2d6a4f;
}
.search-book-link:hover {
    color: #40916c;
    border-bottom-style: solid;
}
/* 搜索项悬停效果 */
.search-item:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1) !important;
    transform: translateY(-2px);
}

/* 经典方剂的表格 */
.rx-table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.rx-table-wrap span{
    padding: 3px;
    font-size: 12px;
}
.rx-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  color: #333;
  background: #fff;
  line-height: 1.6;
}
.rx-table th,
.rx-table td {
  padding: 10px 12px;
  border-bottom: 1px solid #e6e6e6;
  text-align: left;
  white-space: nowrap;
}
.rx-table thead th {
  background: #f5f6f7;
  color: #444;
  font-weight: 600;
  border-bottom: 1px solid #dcdcdc;
}
.rx-table tbody tr:nth-child(even) {
  background: #fafafa;
}
.rx-table tbody tr:hover {
  background: #f0f1f2;
}
.rx-table .num {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* ============ 响应式 ============ */
@media (max-width:1024px) {
    .channels-grid { grid-template-columns:repeat(3,1fr); }
    .content-grid { grid-template-columns:repeat(2,1fr); }
    .hero-inner { grid-template-columns:1fr; gap:32px; text-align:center; }
    .hero-text p { max-width:100%; }
    .hero-buttons { justify-content:center; }
    .footer-grid { grid-template-columns:repeat(2,1fr); }
    .book-detail-layout { grid-template-columns:1fr; }
}
@media (max-width:768px) {
    :root { --header-height:56px; }
    .container { padding:10px 16px; }
    .nav-desktop { display:none; }
    .hamburger { display:flex; }
    .search-box { width:140px; }
    .hero { padding:40px 0 60px; }
    .hero-text h1 { font-size:30px; }
    .hero-stats { grid-template-columns:repeat(3,1fr); padding:20px; gap:12px; }
    .hero-stat .number { font-size:24px; }
    .channels-grid { grid-template-columns:repeat(2,1fr); gap:10px; }
    .content-grid { grid-template-columns:1fr; gap:14px; }
    .detail-content { padding:20px; }
    .detail-header h1 { font-size:24px; }
    .footer-grid { grid-template-columns:repeat(2,1fr); gap:20px; }
    .section-title { font-size:20px; }
    .meridian-list { grid-template-columns:repeat(auto-fill,minmax(120px,1fr)); }
    .books-grid { grid-template-columns:repeat(auto-fill,minmax(140px,1fr)); }
}
@media (max-width:480px) {
    .search-box { display:none; }
    .hero-text h1 { font-size:26px; }
    .hero-stats { grid-template-columns:1fr; gap:16px; }
    .channels-grid { grid-template-columns:repeat(2,1fr); }
    .content-card { padding:18px; }
    .header-actions .btn { padding:6px 12px; font-size:12px; }
    .footer-grid { grid-template-columns:1fr; }
    .rx-table { font-size: 14px; }
    .rx-table th, .rx-table td { padding: 5px 5px; }
}

/* Toast */
.toast { position:fixed; bottom:24px; right:24px; background:var(--text); color:#fff; padding:12px 20px; border-radius:var(--radius-sm); font-size:14px; box-shadow:var(--shadow-lg); z-index:2000; animation:toastIn 0.3s ease,toastOut 0.3s ease 2.5s forwards; pointer-events:none; }
@keyframes toastIn { from { opacity:0; transform:translateY(16px); } to { opacity:1; transform:translateY(0); } }
@keyframes toastOut { to { opacity:0; transform:translateY(16px); } }

/* ============ 分页组件 ============ */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 30px;
    padding: 20px 0;
}

.page-info {
    font-size: 14px;
    color: var(--text-muted);
    margin-right: 10px;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--card-bg);
    border: 1px solid var(--border);
    transition: var(--transition);
    text-decoration: none;
}

.page-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: var(--primary-bg);
}

.page-btn.current {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    font-weight: 600;
}

.page-btn.disabled {
    opacity: 0.4;
    pointer-events: none;
    cursor: not-allowed;
}

/* 移动端分页调整 */
@media (max-width: 768px) {
    .pagination {
        gap: 5px;
    }
    .page-btn {
        min-width: 32px;
        height: 32px;
        padding: 0 8px;
        font-size: 13px;
        border-radius: 6px;
    }
    .page-info {
        font-size: 12px;
        margin-right: 5px;
    }
}