/* ============================================================
   四川颐泰延年养老服务 - 主样式表
   设计风格：现代中式温情主义 | 宝蓝主色 + 暖橙点缀
   ============================================================ */

/* ---- CSS变量 ---- */
:root {
  --primary:      #1a5fa8;
  --primary-dark: #134a87;
  --primary-light:#e8f0fb;
  --accent:       #e87722;
  --accent-light: #fff3e8;
  --text:         #2c3e50;
  --text-light:   #6b7280;
  --border:       #e5e7eb;
  --bg:           #f8fafc;
  --white:        #ffffff;
  --shadow:       0 4px 20px rgba(26,95,168,0.10);
  --shadow-lg:    0 8px 40px rgba(26,95,168,0.15);
  --radius:       12px;
  --radius-sm:    8px;
  --transition:   all 0.3s ease;
  --font-serif:   'Noto Serif SC', serif;
  --font-sans:    'Noto Sans SC', sans-serif;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-sans); color: var(--text); background: var(--white); line-height: 1.7; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: 1rem; }

/* ---- 容器 ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ---- 公告栏 ---- */
.notice-bar { background: var(--primary); color: #fff; padding: 8px 0; font-size: 0.875rem; }
.notice-bar .container { display: flex; align-items: center; gap: 10px; }
.notice-bar .notice-close { margin-left: auto; color: #fff; opacity: 0.7; font-size: 1rem; }
.notice-bar .notice-close:hover { opacity: 1; }

/* ---- 头部 ---- */
.main-header {
  position: sticky; top: 0; z-index: 1000;
  background: #ffffff;
  box-shadow: 0 2px 20px rgba(0,0,0,0.10);
  transition: var(--transition);
  border-bottom: 1px solid #e5e7eb;
}
.header-inner { display: flex; align-items: center; gap: 20px; height: 72px; }

/* Logo */
.logo-link { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-img { height: 48px; width: auto; }
.logo-text { display: flex; align-items: center; gap: 10px; }
.logo-icon { width: 42px; height: 42px; background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 10px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.2rem; }
.logo-words { display: flex; flex-direction: column; }
.logo-main { font-family: var(--font-serif); font-size: 1rem; font-weight: 700; color: var(--primary); line-height: 1.2; }
.logo-sub { font-size: 0.7rem; color: var(--text-light); }

/* 导航 */
.main-nav { flex: 1; }
.main-nav > ul { display: flex; align-items: center; gap: 4px; justify-content: center; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: block; padding: 8px 14px; border-radius: var(--radius-sm);
  font-weight: 500; color: #2c3e50; font-size: 0.95rem; white-space: nowrap;
}
.main-nav > ul > li > a:hover, .main-nav > ul > li > a.active {
  color: var(--primary); background: var(--primary-light);
}
.btn-consult {
  background: linear-gradient(135deg, var(--accent), #d4651a) !important;
  color: #fff !important; border-radius: 20px !important; padding: 8px 20px !important;
}
.btn-consult:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(232,119,34,0.4); }

/* 下拉菜单 */
.has-dropdown { position: relative; }
.dropdown {
  position: absolute; top: calc(100% + 8px); left: 50%; transform: translateX(-50%);
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg);
  min-width: 180px; padding: 8px 0; opacity: 0; visibility: hidden;
  transition: var(--transition); pointer-events: none;
}
.has-dropdown:hover .dropdown { opacity: 1; visibility: visible; pointer-events: all; }
.dropdown li a { display: flex; align-items: center; gap: 8px; padding: 10px 20px;
  color: var(--text); font-size: 0.9rem; }
.dropdown li a:hover { background: var(--primary-light); color: var(--primary); }
.dropdown li a i { width: 16px; color: var(--primary); }

/* 用户区 */
.header-user { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.btn-login { padding: 8px 18px; border: 2px solid var(--primary); border-radius: 20px;
  color: var(--primary); font-weight: 500; font-size: 0.9rem; }
.btn-login:hover { background: var(--primary); color: #fff; }
.user-menu { position: relative; }
.user-avatar-link { display: flex; align-items: center; gap: 8px; color: var(--text); }
.user-avatar-sm { width: 36px; height: 36px; border-radius: 50%; object-fit: cover;
  border: 2px solid var(--primary-light); }
.user-dropdown {
  position: absolute; right: 0; top: calc(100% + 10px);
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg);
  min-width: 160px; padding: 8px 0; opacity: 0; visibility: hidden; transition: var(--transition);
}
.user-menu:hover .user-dropdown { opacity: 1; visibility: visible; }
.user-dropdown li a { display: flex; align-items: center; gap: 8px; padding: 10px 18px;
  color: var(--text); font-size: 0.9rem; }
.user-dropdown li a:hover { background: var(--primary-light); color: var(--primary); }
.user-dropdown li a i { width: 16px; color: var(--primary); }

/* 移动端菜单按钮 */
.mobile-menu-btn { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.mobile-menu-btn span { display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

/* ---- 主内容 ---- */
.main-content { min-height: 60vh; }

/* ---- Hero Banner ---- */
.hero-section {
  position: relative; min-height: 600px; display: flex; align-items: center;
  background: linear-gradient(135deg, #0d3b6e 0%, #1a5fa8 50%, #2980b9 100%);
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: 0.25; }
.hero-overlay { position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(13,59,110,0.85) 0%, rgba(26,95,168,0.6) 100%); }
.hero-content { position: relative; z-index: 2; color: #fff; max-width: 650px; }
.hero-badge { display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.3);
  border-radius: 20px; padding: 6px 16px; font-size: 0.85rem; margin-bottom: 20px; }
.hero-title { font-family: var(--font-serif); font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700; line-height: 1.3; margin-bottom: 20px; }
.hero-title span { color: #ffd166; }
.hero-desc { font-size: 1.1rem; opacity: 0.9; margin-bottom: 36px; line-height: 1.8; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 28px;
  border-radius: 30px; font-weight: 600; font-size: 1rem; transition: var(--transition); }
.btn-primary { background: linear-gradient(135deg, var(--accent), #d4651a); color: #fff; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,119,34,0.4); color: #fff; }
.btn-outline { border: 2px solid rgba(255,255,255,0.7); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,0.15); color: #fff; }
.btn-blue { background: var(--primary); color: #fff; }
.btn-blue:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); }

/* 统计数字 */
.hero-stats { position: absolute; bottom: 0; left: 0; right: 0; z-index: 2;
  background: rgba(255,255,255,0.1); backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255,255,255,0.2); }
.hero-stats .container { display: flex; }
.stat-item { flex: 1; text-align: center; padding: 20px; color: #fff;
  border-right: 1px solid rgba(255,255,255,0.2); }
.stat-item:last-child { border-right: none; }
.stat-num { font-family: var(--font-serif); font-size: 2rem; font-weight: 700; color: #ffd166; }
.stat-label { font-size: 0.85rem; opacity: 0.85; }

/* ---- 区块通用 ---- */
.section { padding: 80px 0; }
.section-alt { background: var(--bg); }
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag { display: inline-block; background: var(--primary-light); color: var(--primary);
  border-radius: 20px; padding: 4px 16px; font-size: 0.85rem; font-weight: 500; margin-bottom: 12px; }
.section-title { font-family: var(--font-serif); font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700; color: var(--text); margin-bottom: 16px; }
.section-desc { color: var(--text-light); max-width: 600px; margin: 0 auto; font-size: 1.05rem; }
.section-divider { width: 60px; height: 4px; background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px; margin: 16px auto 0; }

/* ---- 服务卡片 ---- */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 28px; }
.service-card {
  background: #fff; border-radius: var(--radius); padding: 36px 28px;
  box-shadow: var(--shadow); transition: var(--transition); border: 1px solid var(--border);
  position: relative; overflow: hidden;
}
.service-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent)); transform: scaleX(0);
  transition: var(--transition); transform-origin: left; }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon { width: 64px; height: 64px; border-radius: 16px; display: flex; align-items: center;
  justify-content: center; font-size: 1.8rem; margin-bottom: 20px; }
.service-card h3 { font-family: var(--font-serif); font-size: 1.2rem; font-weight: 700;
  margin-bottom: 12px; color: var(--text); }
.service-card p { color: var(--text-light); font-size: 0.95rem; line-height: 1.7; }
.service-card .card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 20px;
  color: var(--primary); font-weight: 500; font-size: 0.9rem; }
.service-card .card-link:hover { gap: 10px; }

/* ---- 产品卡片 ---- */
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 28px; }
.product-card { background: #fff; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); transition: var(--transition); border: 1px solid var(--border); }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.product-img { width: 100%; height: 200px; object-fit: cover; }
.product-img-placeholder { width: 100%; height: 200px; background: var(--primary-light);
  display: flex; align-items: center; justify-content: center; font-size: 3rem; color: var(--primary); }
.product-body { padding: 20px; }
.product-tag { display: inline-block; background: var(--primary-light); color: var(--primary);
  border-radius: 12px; padding: 2px 10px; font-size: 0.8rem; margin-bottom: 10px; }
.product-body h3 { font-family: var(--font-serif); font-size: 1.1rem; font-weight: 700;
  margin-bottom: 8px; color: var(--text); }
.product-body p { color: var(--text-light); font-size: 0.9rem; line-height: 1.6; margin-bottom: 16px; }
.product-footer { display: flex; align-items: center; justify-content: space-between; }
.product-price { font-size: 1.3rem; font-weight: 700; color: var(--accent); }
.product-price span { font-size: 0.85rem; font-weight: 400; color: var(--text-light); }

/* ---- 表单 ---- */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-weight: 500; margin-bottom: 8px; color: var(--text); font-size: 0.95rem; }
.form-label .required { color: #e53e3e; margin-left: 2px; }
.form-control {
  width: 100%; padding: 12px 16px; border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  font-size: 1rem; color: var(--text); background: #fff; transition: var(--transition);
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,95,168,0.1); }
.form-control.is-invalid { border-color: #e53e3e; }
.form-error { color: #e53e3e; font-size: 0.85rem; margin-top: 4px; }
.form-hint { color: var(--text-light); font-size: 0.85rem; margin-top: 4px; }
textarea.form-control { resize: vertical; min-height: 120px; }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236b7280' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; }
.input-group { display: flex; gap: 10px; }
.input-group .form-control { flex: 1; }
.btn-send-code { padding: 12px 16px; background: var(--primary); color: #fff; border-radius: var(--radius-sm);
  font-size: 0.9rem; white-space: nowrap; min-width: 110px; }
.btn-send-code:disabled { background: #9ca3af; cursor: not-allowed; }

/* ---- 按钮 ---- */
.btn-submit { width: 100%; padding: 14px; background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; border-radius: var(--radius-sm); font-size: 1.05rem; font-weight: 600;
  transition: var(--transition); }
.btn-submit:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(26,95,168,0.3); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.btn-sm { padding: 6px 14px; font-size: 0.85rem; border-radius: var(--radius-sm); font-weight: 500; }
.btn-danger { background: #e53e3e; color: #fff; }
.btn-danger:hover { background: #c53030; color: #fff; }
.btn-success { background: #38a169; color: #fff; }
.btn-success:hover { background: #2f855a; color: #fff; }
.btn-warning { background: var(--accent); color: #fff; }
.btn-warning:hover { background: #d4651a; color: #fff; }
.btn-secondary { background: var(--border); color: var(--text); }
.btn-secondary:hover { background: #d1d5db; }

/* ---- 提示框 ---- */
.alert { padding: 14px 18px; border-radius: var(--radius-sm); margin-bottom: 20px;
  display: flex; align-items: flex-start; gap: 10px; font-size: 0.95rem; }
.alert i { flex-shrink: 0; margin-top: 2px; }
.alert-success { background: #f0fff4; border: 1px solid #9ae6b4; color: #276749; }
.alert-error   { background: #fff5f5; border: 1px solid #feb2b2; color: #9b2c2c; }
.alert-warning { background: #fffbeb; border: 1px solid #fbd38d; color: #7b341e; }
.alert-info    { background: var(--primary-light); border: 1px solid #bee3f8; color: #2c5282; }

/* ---- 卡片 ---- */
.card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--border); }
.card-header { padding: 20px 24px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.card-header h2, .card-header h3 { font-family: var(--font-serif); font-size: 1.1rem; font-weight: 700; }
.card-body { padding: 24px; }
.card-footer { padding: 16px 24px; border-top: 1px solid var(--border); background: var(--bg); border-radius: 0 0 var(--radius) var(--radius); }

/* ---- 表格 ---- */
.table-responsive { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th { background: var(--bg); padding: 12px 16px; text-align: left; font-weight: 600;
  font-size: 0.9rem; color: var(--text-light); border-bottom: 2px solid var(--border); white-space: nowrap; }
tbody td { padding: 14px 16px; border-bottom: 1px solid var(--border); font-size: 0.95rem; vertical-align: middle; }
tbody tr:hover { background: var(--bg); }
tbody tr:last-child td { border-bottom: none; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: 0.8rem; font-weight: 500; }
.badge-success { background: #f0fff4; color: #276749; }
.badge-danger  { background: #fff5f5; color: #9b2c2c; }
.badge-warning { background: #fffbeb; color: #7b341e; }
.badge-info    { background: var(--primary-light); color: var(--primary); }
.badge-gray    { background: var(--bg); color: var(--text-light); }

/* ---- 分页 ---- */
.pagination-nav { margin-top: 32px; display: flex; justify-content: center; }
.pagination { display: flex; gap: 6px; align-items: center; }
.pagination li a, .pagination li span {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); color: var(--text); font-size: 0.9rem; transition: var(--transition);
}
.pagination li a:hover { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }
.pagination li.active a { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ---- 底部 ---- */
.main-footer { background: #0d2137; color: #ccddee; }
.main-footer p { color: #ccddee; }
.main-footer li { color: #ccddee; }
.footer-top { padding: 60px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; }
.footer-logo { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 1.1rem;
  font-family: var(--font-serif); font-weight: 700; margin-bottom: 16px; }
.footer-logo i { color: var(--accent); font-size: 1.3rem; }
.footer-about p { font-size: 0.9rem; line-height: 1.8; margin-bottom: 20px; color: #ccddee; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 36px; height: 36px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.7); transition: var(--transition); }
.footer-social a:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.footer-col h4 { color: #ffffff; font-weight: 700; margin-bottom: 20px; font-size: 1rem; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px;
  background: var(--accent); border-radius: 1px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: #b8cfe0; font-size: 0.9rem; }
.footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
.contact-list li { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 10px; font-size: 0.9rem; color: #b8cfe0; }
.contact-list li i { color: var(--accent); width: 16px; flex-shrink: 0; margin-top: 3px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.15); padding: 20px 0; background: #0a1c2e; }
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center;
  font-size: 0.85rem; flex-wrap: wrap; gap: 10px; color: #8ab4cc; }
.footer-bottom a { color: #8ab4cc; }
.footer-bottom a:hover { color: var(--accent); }

/* ---- 悬浮按钮 ---- */
.float-contact { position: fixed; right: 20px; bottom: 80px; z-index: 999;
  display: flex; flex-direction: column; gap: 10px; }
.float-btn { width: 52px; height: 52px; border-radius: 50%; display: flex; flex-direction: column;
  align-items: center; justify-content: center; color: #fff; font-size: 0.65rem; gap: 2px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2); transition: var(--transition); }
.float-btn i { font-size: 1.1rem; }
.phone-btn { background: linear-gradient(135deg, #38a169, #2f855a); }
.consult-btn { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); }
.top-btn { background: linear-gradient(135deg, var(--accent), #d4651a); }
.float-btn:hover { transform: scale(1.1); }

/* ---- 弹窗 ---- */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 9999;
  display: flex; align-items: center; justify-content: center; }
.modal-box { background: #fff; border-radius: var(--radius); padding: 32px; max-width: 400px; width: 90%;
  position: relative; text-align: center; }
.modal-close { position: absolute; top: 12px; right: 16px; font-size: 1.5rem; color: var(--text-light); }
.modal-close:hover { color: var(--text); }
.modal-box h3 { font-family: var(--font-serif); font-size: 1.2rem; margin-bottom: 20px; }
.modal-box img { max-width: 200px; margin: 0 auto; border-radius: var(--radius-sm); }

/* ---- 用户/管理员页面布局 ---- */
.page-wrapper { min-height: 100vh; background: var(--bg); }
.page-hero { background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 60px 0 40px; color: #fff; }
.page-hero h1 { font-family: var(--font-serif); font-size: 2rem; font-weight: 700; margin-bottom: 8px; }
.page-hero p { opacity: 0.85; }
.page-content { padding: 40px 0 60px; }

/* 用户中心布局 */
.user-layout { display: grid; grid-template-columns: 240px 1fr; gap: 28px; }
.user-sidebar { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  border: 1px solid var(--border); height: fit-content; overflow: hidden; }
.user-sidebar-header { padding: 24px; text-align: center; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; }
.user-avatar { width: 72px; height: 72px; border-radius: 50%; object-fit: cover;
  border: 3px solid rgba(255,255,255,0.4); margin: 0 auto 12px; }
.user-sidebar-header h3 { font-size: 1rem; font-weight: 600; }
.user-sidebar-header p { font-size: 0.8rem; opacity: 0.8; }
.user-sidebar-nav { padding: 12px 0; }
.user-sidebar-nav a { display: flex; align-items: center; gap: 10px; padding: 12px 20px;
  color: var(--text); font-size: 0.95rem; transition: var(--transition); }
.user-sidebar-nav a:hover, .user-sidebar-nav a.active { background: var(--primary-light); color: var(--primary); }
.user-sidebar-nav a i { width: 18px; color: var(--primary); }

/* ---- 登录/注册页面 ---- */
.auth-page { min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #0d3b6e 0%, #1a5fa8 100%); padding: 40px 20px; }
.auth-card { background: #fff; border-radius: var(--radius); padding: 40px; width: 100%; max-width: 440px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3); }
.auth-logo { text-align: center; margin-bottom: 28px; }
.auth-logo img { height: 52px; margin: 0 auto 12px; }
.auth-logo h1 { font-family: var(--font-serif); font-size: 1.3rem; color: var(--primary); }
.auth-logo p { color: var(--text-light); font-size: 0.9rem; }
.auth-tabs { display: flex; gap: 0; margin-bottom: 28px; border-bottom: 2px solid var(--border); }
.auth-tab { flex: 1; padding: 10px; text-align: center; font-weight: 500; color: var(--text-light);
  cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -2px; transition: var(--transition); }
.auth-tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.auth-footer { text-align: center; margin-top: 20px; font-size: 0.9rem; color: var(--text-light); }
.auth-footer a { color: var(--primary); font-weight: 500; }

/* ---- 智慧守护页面 ---- */
.smart-care-section { padding: 60px 0; }
.smart-care-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.smart-care-form-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg);
  overflow: hidden; }
.smart-care-tabs { display: flex; border-bottom: 1px solid var(--border); }
.sc-tab { flex: 1; padding: 16px; text-align: center; font-weight: 500; cursor: pointer;
  color: var(--text-light); transition: var(--transition); }
.sc-tab.active { color: var(--primary); background: var(--primary-light); }
.sc-tab-content { padding: 28px; display: none; }
.sc-tab-content.active { display: block; }

/* ---- 响应式 ---- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .user-layout { grid-template-columns: 1fr; }
  .smart-care-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .main-nav { display: none; position: fixed; inset: 72px 0 0; background: #fff;
    padding: 20px; overflow-y: auto; z-index: 999; }
  .main-nav.open { display: block; }
  .main-nav > ul { flex-direction: column; gap: 0; }
  .main-nav > ul > li > a { padding: 14px 0; border-bottom: 1px solid var(--border); }
  .dropdown { position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; background: var(--bg); margin-top: 0; }
  .mobile-menu-btn { display: flex; }
  .hero-section { min-height: 500px; }
  .hero-stats .container { flex-wrap: wrap; }
  .stat-item { min-width: 50%; border-right: none; border-bottom: 1px solid rgba(255,255,255,0.2); }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
  .services-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .auth-card { padding: 28px 20px; }
}

/* ---- 动画 ---- */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.animate-fade-in-up { animation: fadeInUp 0.6s ease forwards; }
.animate-fade-in { animation: fadeIn 0.4s ease forwards; }

/* ---- 加载 ---- */
.loading-spinner { display: inline-block; width: 20px; height: 20px; border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff; border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- 搜索框 ---- */
.search-bar { display: flex; gap: 10px; margin-bottom: 20px; }
.search-bar .form-control { flex: 1; }

/* ---- 空状态 ---- */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-light); }
.empty-state i { font-size: 3rem; margin-bottom: 16px; opacity: 0.4; }
.empty-state p { font-size: 1rem; }

/* ---- 移动端下拉菜单展开 ---- */
@media (max-width: 768px) {
  .dropdown { display: none; }
  .dropdown.mobile-open { display: block; }
  .has-dropdown > a { display: flex; justify-content: space-between; align-items: center; }
}