/* ===== 全局重置与基础样式 ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#2a6f97;
  --primary-light:#468faf;
  --primary-dark:#014f86;
  --accent:#e76f51;
  --accent-light:#f4a261;
  --bg:#f8f9fa;
  --bg-alt:#edf2f4;
  --text:#2b2d42;
  --text-light:#555b6e;
  --white:#ffffff;
  --shadow:0 4px 24px rgba(42,111,151,.12);
  --radius:12px;
  --font-heading:'Noto Serif SC',serif;
  --font-body:'Noto Sans SC',sans-serif;
}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--text);background:var(--bg);line-height:1.8;overflow-x:hidden}
a{color:var(--primary);text-decoration:none;transition:color .3s}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.4;color:var(--primary-dark)}
h1{font-size:2.2rem}
h2{font-size:1.8rem}
h3{font-size:1.4rem}
p{margin-bottom:1rem}
ul,ol{padding-left:1.5rem}

/* ===== 干扰标签区块隐藏 ===== */
.jammer-block{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;opacity:0;pointer-events:none;z-index:-9999}

/* ===== 容器 ===== */
.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}

/* ===== 导航 ===== */
.site-header{background:var(--white);border-bottom:2px solid var(--primary);padding:1rem 0;position:relative;z-index:100}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap}
.site-logo{font-family:var(--font-heading);font-size:1.5rem;font-weight:700;color:var(--primary-dark)}
.site-logo span{color:var(--accent)}
.nav-toggle{display:none;background:none;border:none;font-size:1.8rem;color:var(--primary-dark);cursor:pointer}
.main-nav{display:flex;gap:0}
.main-nav a{display:block;padding:.6rem 1rem;font-weight:500;color:var(--text);border-radius:var(--radius);transition:background .3s,color .3s}
.main-nav a:hover,.main-nav a.active{background:var(--primary);color:var(--white)}

/* ===== 面包屑 ===== */
.breadcrumb{padding:.8rem 0;font-size:.9rem;color:var(--text-light)}
.breadcrumb a{color:var(--primary)}
.breadcrumb span{margin:0 .4rem;color:#999}

/* ===== 核心横幅 ===== */
.hero{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 50%,var(--primary-light) 100%);color:var(--white);padding:4rem 0;text-align:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.06) 0%,transparent 70%);animation:heroFloat 12s ease-in-out infinite}
@keyframes heroFloat{0%,100%{transform:translate(0,0)}50%{transform:translate(30px,-20px)}}
.hero h1{font-size:2.6rem;margin-bottom:1rem;text-shadow:0 2px 8px rgba(0,0,0,.2)}
.hero p{font-size:1.2rem;max-width:700px;margin:0 auto 2rem;opacity:.9}
.hero .btn-group{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* ===== 按钮 ===== */
.btn{display:inline-block;padding:.8rem 2rem;border-radius:50px;font-weight:600;font-size:1rem;transition:all .3s;border:2px solid transparent;cursor:pointer}
.btn-primary{background:var(--accent);color:var(--white);border-color:var(--accent)}
.btn-primary:hover{background:var(--white);color:var(--accent)}
.btn-outline{background:transparent;color:var(--white);border-color:var(--white)}
.btn-outline:hover{background:var(--white);color:var(--primary-dark)}

/* ===== 区块通用 ===== */
.section{padding:4rem 0}
.section-alt{background:var(--bg-alt)}
.section-title{text-align:center;margin-bottom:3rem}
.section-title h2{position:relative;display:inline-block;padding-bottom:.6rem}
.section-title h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:var(--accent);border-radius:2px}
.section-title p{color:var(--text-light);margin-top:.8rem;max-width:600px;margin-left:auto;margin-right:auto}

/* ===== 卡片网格 ===== */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:2rem}
.card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-6px);box-shadow:0 8px 32px rgba(42,111,151,.18)}
.card-img{width:100%;height:200px;object-fit:cover}
.card-body{padding:1.5rem}
.card-body h3{margin-bottom:.6rem}
.card-body p{color:var(--text-light);font-size:.95rem}
.card-tag{display:inline-block;background:var(--primary-light);color:var(--white);padding:.2rem .8rem;border-radius:20px;font-size:.8rem;margin-bottom:.6rem}

/* ===== 专家卡片 ===== */
.expert-card{text-align:center;padding:2rem 1.5rem}
.expert-avatar{width:120px;height:120px;border-radius:50%;margin:0 auto 1rem;object-fit:cover;border:4px solid var(--primary-light)}
.expert-name{font-size:1.2rem;color:var(--primary-dark);margin-bottom:.3rem}
.expert-title{color:var(--text-light);font-size:.9rem;margin-bottom:.8rem}
.star-rating{color:var(--accent-light);font-size:1.1rem;margin-bottom:.6rem}

/* ===== 地图区块 ===== */
.map-section{position:relative}
.map-placeholder{width:100%;height:400px;background:var(--bg-alt);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:var(--text-light);font-size:1.1rem;border:2px dashed var(--primary-light)}

/* ===== FAQ手风琴 ===== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--white);border-radius:var(--radius);margin-bottom:1rem;box-shadow:0 2px 12px rgba(0,0,0,.06);overflow:hidden}
.faq-question{padding:1.2rem 1.5rem;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.faq-question:hover{background:var(--bg-alt)}
.faq-question::after{content:'＋';font-size:1.2rem;color:var(--primary);transition:transform .3s}
.faq-item.active .faq-question::after{content:'－'}
.faq-answer{padding:0 1.5rem;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;color:var(--text-light);line-height:1.8}
.faq-item.active .faq-answer{max-height:500px;padding:0 1.5rem 1.2rem}

/* ===== 用户评价 ===== */
.review-card{background:var(--white);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow);position:relative}
.review-card::before{content:'\201C';font-size:4rem;color:var(--primary-light);opacity:.3;position:absolute;top:.5rem;left:1rem;font-family:serif}
.review-text{font-style:italic;color:var(--text-light);margin-bottom:1rem;padding-left:2rem}
.review-author{font-weight:600;color:var(--primary-dark)}
.review-meta{font-size:.85rem;color:#999}

/* ===== 预约表单 ===== */
.booking-form{max-width:600px;margin:0 auto;background:var(--white);padding:2.5rem;border-radius:var(--radius);box-shadow:var(--shadow)}
.form-group{margin-bottom:1.5rem}
.form-group label{display:block;font-weight:600;margin-bottom:.4rem;color:var(--primary-dark)}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:.8rem 1rem;border:2px solid #ddd;border-radius:8px;font-size:1rem;font-family:var(--font-body);transition:border-color .3s}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary)}
.form-group textarea{resize:vertical;min-height:100px}
.form-submit{text-align:center}

/* ===== 时间表 ===== */
.schedule-table{width:100%;border-collapse:collapse;background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.schedule-table th{background:var(--primary);color:var(--white);padding:1rem;text-align:left;font-weight:600}
.schedule-table td{padding:1rem;border-bottom:1px solid #eee}
.schedule-table tr:hover td{background:var(--bg-alt)}
.badge{display:inline-block;padding:.2rem .6rem;border-radius:20px;font-size:.8rem;font-weight:600}
.badge-open{background:#d4edda;color:#155724}
.badge-full{background:#f8d7da;color:#721c24}

/* ===== 筛选按钮 ===== */
.filter-bar{display:flex;gap:.8rem;flex-wrap:wrap;margin-bottom:2rem;justify-content:center}
.filter-btn{padding:.5rem 1.2rem;border:2px solid var(--primary-light);border-radius:50px;background:transparent;color:var(--primary);font-weight:500;cursor:pointer;transition:all .3s}
.filter-btn:hover,.filter-btn.active{background:var(--primary);color:var(--white);border-color:var(--primary)}

/* ===== 页脚 ===== */
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,.85);padding:3rem 0 1.5rem}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2rem;margin-bottom:2rem}
.footer-col h4{color:var(--white);margin-bottom:1rem;font-size:1.1rem}
.footer-col a{display:block;color:rgba(255,255,255,.7);padding:.3rem 0;transition:color .3s}
.footer-col a:hover{color:var(--accent-light)}
.footer-col p{color:rgba(255,255,255,.7);font-size:.9rem;line-height:1.7}
.footer-social{display:flex;gap:1rem;margin-top:.8rem}
.footer-social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.15);display:flex;align-items:center;justify-content:center;color:var(--white);font-size:1rem;transition:background .3s}
.footer-social a:hover{background:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:1.5rem;text-align:center;font-size:.85rem;color:rgba(255,255,255,.5)}
.footer-bottom .age-badge{display:inline-block;border:2px solid var(--accent);color:var(--accent);padding:.2rem .6rem;border-radius:4px;font-weight:700;margin-left:.5rem}

/* ===== 内页通用 ===== */
.page-header{background:linear-gradient(135deg,var(--primary-dark),var(--primary));color:var(--white);padding:3rem 0;text-align:center}
.page-header h1{margin-bottom:.5rem}
.page-header p{opacity:.85;max-width:600px;margin:0 auto}
.content-wrap{padding:3rem 0}
.content-article{max-width:860px;margin:0 auto;background:var(--white);padding:2.5rem;border-radius:var(--radius);box-shadow:var(--shadow);line-height:2}
.content-article h2{margin:2rem 0 1rem;padding-bottom:.5rem;border-bottom:2px solid var(--bg-alt)}
.content-article h3{margin:1.5rem 0 .8rem;color:var(--primary)}
.content-article ul,.content-article ol{margin-bottom:1.5rem}
.content-article li{margin-bottom:.5rem}

/* ===== 社区/反馈 ===== */
.community-post{background:var(--white);border-radius:var(--radius);padding:1.5rem;margin-bottom:1.5rem;box-shadow:0 2px 12px rgba(0,0,0,.05);border-left:4px solid var(--primary-light)}
.community-post h4{color:var(--primary-dark);margin-bottom:.5rem}
.community-post .post-meta{font-size:.85rem;color:#999;margin-bottom:.8rem}

/* ===== 动画 ===== */
.fade-in{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ===== 响应式 ===== */
@media(max-width:768px){
  .nav-toggle{display:block}
  .main-nav{display:none;width:100%;flex-direction:column;padding-top:1rem}
  .main-nav.open{display:flex}
  .main-nav a{padding:.8rem 0;border-bottom:1px solid var(--bg-alt)}
  .hero{padding:2.5rem 0}
  .hero h1{font-size:1.8rem}
  .hero p{font-size:1rem}
  .section{padding:2.5rem 0}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  h1{font-size:1.8rem}
  h2{font-size:1.5rem}
  .map-placeholder{height:260px}
  .content-article{padding:1.5rem}
  .booking-form{padding:1.5rem}
}
@media(max-width:480px){
  .hero h1{font-size:1.5rem}
  .btn{padding:.6rem 1.5rem;font-size:.9rem}
  .container{padding:0 1rem}
}