:root{
  --bg:#f7fbff;
  --card:#ffffff;
  --primary:#4a90e2;
  --muted:#6b7280;
  --accent:#ffd166;
  --radius:12px;
  --max-width:1100px;
}
*{box-sizing:border-box}
body{font-family:Segoe UI,Roboto,Helvetica,Arial,sans-serif;margin:0;background:var(--bg);color:#111}
.container{max-width:var(--max-width);margin:0 auto;padding:1rem}
.site-header{background:#fff;border-bottom:1px solid #e6eef8}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:0.6rem 1rem}
.brand h1{margin:0;font-size:1.25rem}
.brand .sub{margin:0;font-size:0.85rem;color:var(--muted)}
.brand{display:flex;align-items:center;gap:0.75rem}
.brand .logo{width:56px;height:56px;object-fit:cover;border-radius:8px}
.nav-toggle{display:none;background:transparent;border:1px solid var(--primary);color:var(--primary);padding:0.35rem 0.6rem;border-radius:6px}
.main-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:1rem}
.main-nav a{text-decoration:none;color:var(--primary)}

.hero{padding:3.5rem 0;background:linear-gradient(180deg, #f0f7ff 0%, transparent 100%)}
.hero-inner{max-width:var(--max-width);margin:0 auto;padding:1rem;display:grid;grid-template-columns:1fr 580px;gap:2.5rem;align-items:center}
.hero-content{display:flex;flex-direction:column;justify-content:center}
.hero .lead{color:var(--muted);max-width:680px}
.cta{margin-top:1rem}

/* 轮播器样式 */
.hero-carousel{position:relative;width:100%;aspect-ratio:16 / 9;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 8px 24px rgba(15,30,60,0.08)}
.carousel-track{display:flex;width:100%;height:100%;transition:transform 0.5s ease-in-out}
.carousel-slide{width:100%;height:100%;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.carousel-slide img{width:100%;height:100%;object-fit:cover}
.carousel-dots{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:10}
.carousel-dots .dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,0.5);border:none;cursor:pointer;transition:background 0.3s}
.carousel-dots .dot.active{background:#fff}

.btn{display:inline-flex;align-items:center;justify-content:center;padding:0.75rem 1rem;border-radius:8px;border:1px solid #cbdcf6;text-decoration:none;color:#0b2b4a;background:transparent;min-height:44px;line-height:1}
.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.contact-float .cf-toggle{background:#07C160;color:#fff;padding:0.75rem 1rem;border-radius:8px;box-shadow:0 6px 14px rgba(7,193,96,0.18);cursor:pointer;border:1px solid rgba(0,0,0,0.06);min-height:44px;display:inline-flex;align-items:center;justify-content:center;line-height:1;font-size:inherit;font-family:inherit;font-weight:inherit}

.services{padding:2rem 0}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.card{background:var(--card);padding:1rem;border-radius:var(--radius);box-shadow:0 6px 18px rgba(74,144,226,0.06);transition:transform 0.3s ease,box-shadow 0.3s ease;cursor:pointer}
.card:hover{transform:translateY(-8px) scale(1.02);box-shadow:0 0 30px rgba(74,144,226,0.6),0 0 60px rgba(255,209,102,0.4),0 15px 40px rgba(74,144,226,0.3)}
.card h4{margin-top:0}

.hours{padding:2rem 0}
 .hours-grid{display:grid;grid-template-columns:1fr 420px;gap:1rem;align-items:start}
 .hours-text{padding-right:1.25rem}
 .hours-image img{width:100%;height:auto;border-radius:12px;box-shadow:0 8px 24px rgba(15,30,60,0.08);display:block}
.contact{padding:2rem 0}

.site-footer{background:#fff;border-top:1px solid #e6eef8;padding:1rem 0;margin-top:2rem}
.footer-inner{display:flex;justify-content:space-between;align-items:center}
.footer-meta a{color:var(--primary);text-decoration:none}

.contact-actions{display:flex;align-items:center;gap:0.75rem}
/* 将微信联系卡作为按钮右侧的内联组件显示 */
.contact-float{position:relative;display:inline-block;margin-left:0;z-index:600;font-family:inherit}

.contact-float .cf-card{display:none;position:absolute;left:100%;top:0;margin-left:10px;width:220px;background:var(--card);padding:0.75rem;border-radius:12px;box-shadow:0 10px 30px rgba(15,30,60,0.12);text-align:center}
.contact-float .cf-card img{width:180px;max-width:100%;height:auto;border-radius:8px}
.contact-float .cf-card p{margin:0.5rem 0;color:var(--muted);font-size:0.9rem}
.contact-float .cf-card .btn{margin-top:0.5rem}
.contact-float.open .cf-card{display:block}

@media (max-width:900px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .hours-grid{grid-template-columns:repeat(2,1fr)}
  .hero-inner{grid-template-columns:1fr;gap:1rem}
}
@media (max-width:640px){
  .nav-toggle{display:inline-block}
  .main-nav{display:none}
  .main-nav[aria-hidden="false"]{display:block}
  .cards{grid-template-columns:1fr}
  .hours-grid{grid-template-columns:1fr}
  .header-inner{gap:0.6rem}
  .brand .logo{width:44px;height:44px}
  .contact-float{margin-left:6px}
  .contact-float .cf-card img{width:150px}
  /* 小屏时把卡片显示在按钮下方 */
  .contact-float .cf-card{left:0;top:calc(100% + 8px);margin-left:0;width:200px}
  /* 减少页面左右边距，避免横向滚动 */
  html, body {overflow-x: hidden;}
  .container {padding-left: 0.75rem; padding-right: 0.75rem}
}

/* 更小屏手机优化 */
@media (max-width:480px){
  /* 头部紧缩，logo 与字体变小 */
  .header-inner{padding:0.5rem 0.75rem}
  .brand h1{font-size:1rem}
  .brand .sub{font-size:0.75rem}

  /* hero 单列显示，carousel 更紧凑，允许更大宽度自适应 */
  .hero{padding:1.25rem 0}
  .hero-inner{grid-template-columns:1fr;gap:0.75rem;padding:0 0.5rem}
  .hero-carousel{aspect-ratio:16/9;max-height:260px;border-radius:10px}

  /* 服务卡垂直排列，增大可点击区域 */
  .cards{grid-template-columns:1fr;gap:0.75rem}
  .card{padding:1rem;border-radius:10px}

  /* 联系区域：按钮堆叠，按钮变为100%宽以便单手点击 */
  .contact-actions{flex-direction:column;align-items:stretch}
  .contact-actions .btn{width:100%}
  .contact-float{width:100%;margin-left:0}
  .contact-float .cf-toggle{width:100%;display:flex;justify-content:center}
  .contact-float .cf-card{left:0;top:calc(100% + 8px);width:100%;max-width:320px;margin:8px auto}

  /* 手机端减少页面左右内边距，确保内容与屏幕边缘留有舒适间隔 */
  .container {padding-left: 0.5rem; padding-right: 0.5rem}
  html, body {overflow-x: hidden}

  /* footer 与间距调整 */
  .footer-inner{flex-direction:column;gap:0.5rem;align-items:flex-start}

  /* 增加可点击目标大小 */
  .btn, .contact-float .cf-toggle{min-height:52px;padding:0.9rem 1rem}

  /* 减少阴影与动画以降低视觉噪音 */
  .card:hover{transform:none;box-shadow:0 6px 18px rgba(0,0,0,0.06)}
}

/* 触摸设备上减少动画抖动 */
@media (pointer:coarse){
  .carousel-track{transition:transform 0.35s ease}
}