:root{
  --green:#2e7d32;
  --green-d:#1b5e20;
  --green-l:#e8f5e9;
  --green-m:#81c784;
  --blue:#42a5f5;
  --blue-l:#e3f2fd;
  --blue-d:#1e88e5;
  --black:#212121;
  --gray:#607d8b;
  --bg:#f4f7f5;
  --card:#fff;
  --danger:#c62828;
  --radius:12px;
  --shadow:0 6px 20px rgba(33,33,33,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;color:var(--black);background:var(--bg);line-height:1.6}
a{color:var(--green);text-decoration:none}
a:hover{color:var(--blue-d)}
img{max-width:100%;display:block}
.container{width:min(1120px,92%);margin:0 auto}
.site-header{background:linear-gradient(120deg,var(--green),#43a047 55%,var(--blue));color:#fff;position:sticky;top:0;z-index:50;box-shadow:0 2px 12px rgba(0,0,0,.12)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0;gap:12px}
.logo{font-size:20px;font-weight:700;color:#fff;letter-spacing:.5px}
.logo small{display:block;font-size:11px;opacity:.85;font-weight:400}
.nav{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.nav a{color:#fff;padding:6px 10px;border-radius:8px;font-size:14px;opacity:.95}
.nav a:hover,.nav a.active{background:rgba(255,255,255,.18)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--green);color:#fff!important;border:0;border-radius:999px;padding:10px 18px;font-size:14px;cursor:pointer;transition:.2s}
.btn:hover{background:var(--green-d);transform:translateY(-1px)}
.btn-blue{background:var(--blue)}
.btn-blue:hover{background:var(--blue-d)}
.btn-outline{background:transparent;border:1px solid var(--green);color:var(--green)!important}
.btn-outline:hover{background:var(--green-l)}
.btn-block{width:100%;border-radius:10px}
.btn-sm{padding:6px 12px;font-size:13px}
.hero-slider{position:relative;border-radius:var(--radius);overflow:hidden;margin:18px 0;box-shadow:var(--shadow)}
.hero-slider img{width:100%;height:clamp(160px,32vw,360px);object-fit:cover}
.hero-caption{position:absolute;left:0;right:0;bottom:0;padding:18px 20px;background:linear-gradient(transparent,rgba(0,0,0,.55));color:#fff}
.section{margin:22px 0}
.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.section-title h2{margin:0;font-size:20px;color:var(--black);position:relative;padding-left:12px}
.section-title h2:before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:4px;background:linear-gradient(var(--green),var(--blue))}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.2s}
.card:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(33,33,33,.1)}
.card .cover{aspect-ratio:4/3;object-fit:cover;width:100%;background:var(--green-l)}
.card .body{padding:12px 14px}
.card .title{font-size:15px;font-weight:600;margin:0 0 6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card .meta{display:flex;justify-content:space-between;align-items:center;color:var(--gray);font-size:12px}
.price{color:var(--danger);font-weight:700;font-size:16px}
.price small{font-size:12px;font-weight:400}
.cat-item{text-align:center;padding:14px 8px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow)}
.cat-item img{width:64px;height:64px;margin:0 auto 8px;border-radius:16px;object-fit:cover}
.cat-item span{font-size:13px}

/* 首页分类：H5 一行4个、两行，小图标 */
.home-cat-section{margin:12px 0 16px}
.home-cats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:6px 0;
  background:#fff;
  border-radius:12px;
  padding:12px 6px 8px;
  box-shadow:var(--shadow);
}
.home-cat{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:flex-start;
  text-align:center;
  color:var(--black);
  text-decoration:none;
  padding:6px 2px;
  min-width:0;
}
.home-cat img{
  width:44px;
  height:44px;
  border-radius:12px;
  object-fit:cover;
  margin:0 auto 6px;
  background:var(--green-l);
}
.home-cat span{
  font-size:12px;
  line-height:1.25;
  color:#333;
  max-width:100%;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* 首页优惠券 */
.home-coupon-scroll{
  display:flex;
  gap:10px;
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  padding-bottom:4px;
  scrollbar-width:none;
}
.home-coupon-scroll::-webkit-scrollbar{display:none}
.home-coupon-card{
  flex:0 0 200px;
  display:flex;
  background:linear-gradient(120deg,#fff8f0,#ffe8e0);
  border:1px solid #ffcbb8;
  border-radius:10px;
  overflow:hidden;
  color:inherit;
  text-decoration:none;
}
.home-coupon-amount{
  width:72px;
  background:linear-gradient(180deg,#ef5350,#e53935);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:26px;
  font-weight:700;
}
.home-coupon-amount em{font-style:normal;font-size:14px;margin-right:1px;font-weight:600}
.home-coupon-info{
  flex:1;
  padding:10px 12px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:2px;
  min-width:0;
}
.home-coupon-info strong{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.home-coupon-info span{font-size:12px;color:#8d6e63}
.home-coupon-get{color:#e53935!important;font-weight:600}
.home-coupon-entry{
  display:flex;
  align-items:center;
  gap:12px;
  background:linear-gradient(120deg,#e8f5e9,#e3f2fd);
  border-radius:12px;
  padding:14px 16px;
  box-shadow:var(--shadow);
  color:inherit;
  text-decoration:none;
}
.home-coupon-entry-ico{
  width:40px;height:40px;border-radius:10px;background:#e53935;color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0;
}
.home-coupon-entry strong{display:block;font-size:15px}
.home-coupon-entry small{color:var(--gray);font-size:12px}
.home-coupon-entry-go{margin-left:auto;color:var(--green);font-size:13px;white-space:nowrap}
.flash{padding:10px 14px;border-radius:8px;margin:12px 0;font-size:14px}
.flash-success{background:var(--green-l);color:var(--green-d)}
.flash-error{background:#ffebee;color:var(--danger)}
.panel{background:#fff;border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);margin:16px 0}
.form-group{margin-bottom:14px}
.form-group label{display:block;margin-bottom:6px;font-weight:600;font-size:14px}
.form-control{width:100%;padding:10px 12px;border:1px solid #cfd8dc;border-radius:8px;font-size:14px;background:#fff}
.form-control:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgba(66,165,245,.2)}
.form-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.auth-box{max-width:420px;margin:30px auto;background:#fff;border-radius:16px;padding:28px;box-shadow:var(--shadow)}
.auth-box h1{margin:0 0 8px;font-size:22px;color:var(--green)}
.captcha-row{display:flex;gap:10px;align-items:center}
.captcha-row img{height:40px;border-radius:6px;cursor:pointer;border:1px solid #e0e0e0}
.tabs{display:flex;gap:8px;overflow:auto;padding-bottom:8px;margin-bottom:12px}
.tabs a{white-space:nowrap;padding:8px 14px;border-radius:999px;background:#fff;color:var(--gray);font-size:13px;border:1px solid #e0e0e0}
.tabs a.active{background:var(--green);color:#fff;border-color:var(--green)}
.order-card{display:flex;gap:12px;padding:14px;background:#fff;border-radius:12px;margin-bottom:12px;box-shadow:var(--shadow)}
.order-card img{width:88px;height:88px;object-fit:cover;border-radius:8px}
.order-card .info{flex:1;min-width:0}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;background:var(--blue-l);color:var(--blue-d)}
.badge-warn{background:#fff3e0;color:#ef6c00}
.badge-ok{background:var(--green-l);color:var(--green)}
.site-footer{margin-top:40px;background:linear-gradient(180deg,#263238,#1b2327);color:#cfd8dc;padding:28px 0 18px;font-size:13px}
.site-footer a{color:#b3e5fc}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:18px}
.bottom-nav{display:none;position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid #e0e0e0;z-index:60;padding:6px 0 calc(6px + env(safe-area-inset-bottom))}
.bottom-nav a{flex:1;text-align:center;color:var(--gray);font-size:11px;padding:4px}
.bottom-nav a.active{color:var(--green)}
.bottom-nav svg{display:block;margin:0 auto 2px;width:22px;height:22px}
.detail-hero{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.detail-hero img{width:100%;max-height:420px;object-fit:cover}
.detail-main{display:grid;grid-template-columns:1.4fr .8fr;gap:16px;margin-top:16px}
.sticky-buy{position:sticky;top:80px}
.muted{color:var(--gray);font-size:13px}
.list-menu a{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px solid #eee;color:var(--black)}
.empty{text-align:center;padding:40px 16px;color:var(--gray)}
.skill-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.skill-grid label{display:block;background:var(--green-l);padding:10px;border-radius:8px;font-size:13px;text-align:center;cursor:pointer}
.skill-grid input{margin-right:4px}

/* 在线客服聊天 */
.cs-chat-wrap{max-width:720px;margin:12px auto 24px;background:#fff;border-radius:14px;box-shadow:var(--shadow);overflow:hidden}
.cs-chat-head{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:14px 16px;background:linear-gradient(120deg,var(--green),var(--blue));color:#fff}
.cs-chat-head .muted{color:rgba(255,255,255,.85)}
.cs-chat-head .btn-outline{border-color:#fff;color:#fff!important}
.cs-quick{padding:12px 14px;background:#f7faf8;border-bottom:1px solid #eee}
.cs-quick-list{display:flex;flex-wrap:wrap;gap:8px}
.cs-quick-btn{border:1px solid #c8e6c9;background:#fff;color:var(--green);border-radius:999px;padding:6px 12px;font-size:12px;cursor:pointer}
.cs-quick-btn:hover{background:var(--green-l)}
.cs-chat-body{height:min(52vh,420px);overflow:auto;padding:16px;background:linear-gradient(#f9fbfa,#eef6f8)}
.cs-msg{display:flex;margin-bottom:12px}
.cs-msg.me{justify-content:flex-end}
.cs-msg .bubble{max-width:78%;padding:10px 12px;border-radius:12px;font-size:14px;line-height:1.55;white-space:pre-wrap;word-break:break-word}
.cs-msg.bot .bubble{background:#fff;border:1px solid #e0e0e0;border-top-left-radius:4px}
.cs-msg.me .bubble{background:var(--green);color:#fff;border-top-right-radius:4px}
.cs-msg.typing .bubble{color:#888;font-style:italic}
.cs-chat-input{display:flex;gap:8px;padding:12px;border-top:1px solid #eee;background:#fff}
.cs-chat-input .form-control{flex:1}

/* 右侧悬浮客服 */
.cs-float{position:fixed;right:16px;bottom:88px;z-index:70;display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.cs-float-btn{width:56px;height:56px;border-radius:50%;background:linear-gradient(145deg,var(--green),var(--blue));color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px rgba(46,125,50,.35);text-decoration:none!important;transition:.2s}
.cs-float-btn:hover{transform:translateY(-2px) scale(1.04);color:#fff}
.cs-float-btn svg{width:26px;height:26px;fill:currentColor}
.cs-float-tip{background:#fff;color:var(--black);border-radius:10px;padding:8px 10px;font-size:12px;box-shadow:var(--shadow);max-width:140px;line-height:1.4}
@media (max-width:900px){
  .cs-float{bottom:76px;right:12px}
  .cs-float-tip{display:none}
  .cs-chat-body{height:48vh}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .detail-main{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .nav{display:none}
  .bottom-nav{display:flex}
  body{padding-bottom:64px}
  /* 首页分类保持一行4个 */
  .home-cats{grid-template-columns:repeat(4,1fr);padding:10px 4px 6px;gap:4px 0}
  .home-cat{padding:4px 0}
  .home-cat img{width:40px;height:40px;border-radius:10px;margin-bottom:4px}
  .home-cat span{font-size:11px}
  .home-coupon-card{flex:0 0 176px}
  .home-coupon-amount{width:64px;font-size:22px}
}
@media (min-width:901px){
  .home-cat img{width:52px;height:52px}
  .home-cat span{font-size:13px}
}
@media (max-width:480px){
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr 1fr}
  .auth-box{margin:16px auto;padding:20px}
  .home-cats{grid-template-columns:repeat(4,1fr)}
}