/* 兔子 eSIM · Muse App 浅色简洁风 */
:root{
  --bg:#f2f3f6;
  --card:#ffffff;
  --card-2:#f7f8fa;
  --line:#e7e9ee;
  --line-soft:#eef0f4;
  --text:#17181c;
  --muted:#8b9099;
  --primary:#17181c;
  --link:#0a84ff;
  --ok:#1a9e54;
  --danger:#d33f3f;
  --warn-bg:#fff9e8;
  --warn-line:#f0dfae;
  --radius:18px;
  --shadow:0 1px 2px rgba(20,22,28,.05), 0 6px 20px rgba(20,22,28,.05);
}
*{box-sizing:border-box; -webkit-tap-highlight-color:transparent;}
html{font-size:16px;}
body{margin:0; background:var(--bg); color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  line-height:1.65; -webkit-font-smoothing:antialiased;}
::selection{background:rgba(10,132,255,.18);}
a{color:var(--link); text-decoration:none;}
img{max-width:100%;}
.container{max-width:1080px; margin:0 auto; padding:0 18px;}

/* 导航 */
.nav{background:rgba(255,255,255,.86); backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-soft); position:sticky; top:0; z-index:50;}
.nav-inner{display:flex; align-items:center; justify-content:space-between; height:58px;}
.logo{font-weight:800; font-size:1.12rem; color:var(--text); letter-spacing:.01em;}
.logo span{color:var(--text);}
.nav-links{display:flex; gap:20px; align-items:center; font-size:.94rem;}
.nav-links a{color:var(--muted); transition:color .15s;}
.nav-links a:hover{color:var(--text);}
.badge{display:none; min-width:20px; height:20px; line-height:20px; text-align:center;
  background:var(--danger); color:#fff; font-size:.72rem; font-weight:700; border-radius:10px; padding:0 6px;}

/* 按钮 */
.btn{display:inline-block; border:none; cursor:pointer; border-radius:14px;
  padding:13px 24px; font-size:1rem; font-weight:700; text-align:center;
  transition:transform .15s, opacity .15s; letter-spacing:.01em;}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--primary); color:#fff;}
.btn-primary:hover{opacity:.88;}
.btn-block{display:block; width:100%;}
.btn-ghost{background:var(--card); color:var(--text); border:1.5px solid var(--line);}
.btn-ghost:hover{border-color:var(--text);}
.btn:disabled{opacity:.4; cursor:not-allowed;}
.btn-row{display:flex; gap:12px; margin-top:16px;}

/* Hero */
.hero{color:var(--text); padding:56px 0 44px;
  background:linear-gradient(180deg,#ffffff 0%,rgba(255,255,255,0) 100%);}
.hero h1{margin:0 0 10px; font-size:1.85rem; line-height:1.4; font-weight:800; letter-spacing:.01em;}
.hero p{margin:0 0 24px; color:var(--muted); font-size:.98rem;}
.steps{display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin-top:30px;}
.step{background:var(--card); border:1px solid var(--line-soft); border-radius:16px;
  padding:15px 13px; font-size:.84rem; color:var(--muted); box-shadow:var(--shadow);}
.step b{display:block; font-size:1.02rem; margin-bottom:4px; color:var(--text);}
@media(max-width:640px){ .steps{grid-template-columns:repeat(2,1fr);} .hero h1{font-size:1.6rem;} }

/* 通用区块 */
.section{padding:36px 0 8px;}
.section-title{font-size:1.28rem; font-weight:800; margin:0 0 4px; letter-spacing:.01em;}
.section-sub{color:var(--muted); margin:0 0 18px; font-size:.92rem;}

/* 卡片网格 */
.grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:14px;}
.card{background:var(--card); border:1px solid var(--line-soft); border-radius:var(--radius);
  box-shadow:var(--shadow); overflow:hidden; display:flex; flex-direction:column;
  transition:transform .18s, box-shadow .18s;}
.card:hover{transform:translateY(-2px); box-shadow:0 2px 4px rgba(20,22,28,.06), 0 12px 28px rgba(20,22,28,.09);}
.card-body{padding:18px; display:flex; flex-direction:column; gap:8px; flex:1;}
.card-icon{font-size:2rem;}
.card-title{font-weight:700; font-size:1.05rem; margin:0;}
.card-meta{color:var(--muted); font-size:.85rem;}
.card-price{font-size:1.28rem; font-weight:800; color:var(--text);}
.card-price small{font-size:.75rem; color:var(--muted); font-weight:400;}
.tag{display:inline-block; font-size:.72rem; font-weight:600; padding:3px 10px; border-radius:20px;
  background:#f1f2f5; color:#5b616b;}
.tag.hot{background:#fdeeee; color:var(--danger);}
.tag.ok{background:#e7f6ee; color:var(--ok);}
.tag.muted{background:#f1f2f5; color:var(--muted);}
.card-tags{display:flex; gap:6px; flex-wrap:wrap;}

/* 分类 tab */
.tabs{display:flex; gap:10px; margin:6px 0 20px; flex-wrap:wrap;}
.tab{border:1.5px solid transparent; background:var(--card); border-radius:24px; padding:9px 20px;
  cursor:pointer; font-size:.94rem; color:var(--muted); box-shadow:var(--shadow); transition:.15s;}
.tab:hover{color:var(--text);}
.tab.active{background:var(--primary); color:#fff; font-weight:700;}

/* 警告条 */
.warn{background:var(--warn-bg); border:1px solid var(--warn-line); border-radius:var(--radius);
  padding:17px 19px; margin:22px 0; font-size:.92rem; box-shadow:var(--shadow);}
.warn ul{margin:8px 0; padding-left:20px;}
.warn strong{color:#9a6b12;}

/* 商品详情 */
.detail{display:grid; grid-template-columns:1fr; gap:16px; margin:24px 0;}
@media(min-width:820px){ .detail{grid-template-columns:1fr 1fr;} }
.detail-main{background:var(--card); border:1px solid var(--line-soft); border-radius:var(--radius);
  box-shadow:var(--shadow); padding:24px;}
.detail-main h1{margin:0 0 8px; font-size:1.5rem; font-weight:800; letter-spacing:.01em;}
.plan-list{display:flex; flex-direction:column; gap:10px; margin:16px 0;}
.plan{border:1.5px solid var(--line); border-radius:14px; padding:14px 16px; cursor:pointer;
  transition:.15s; background:#fff;}
.plan:hover{border-color:#c9cdd5;}
.plan.selected{border-color:var(--text); background:#fafbfc; box-shadow:0 0 0 1px var(--text);}
.plan-top{display:flex; justify-content:space-between; align-items:center; gap:10px;}
.plan-label{font-weight:700; font-size:1.04rem;}
.plan-price{font-weight:800; color:var(--text); font-size:1.2rem; white-space:nowrap;}
.plan-sub{color:var(--muted); font-size:.83rem; margin-top:4px;}
.qty-row{display:flex; align-items:center; gap:14px; margin:18px 0;}
.qty-btn{width:38px; height:38px; border-radius:50%; border:1.5px solid var(--line);
  background:#fff; color:var(--text); font-size:1.2rem; cursor:pointer; line-height:1; transition:.15s;}
.qty-btn:hover{border-color:var(--text);}
.qty-num{font-size:1.15rem; font-weight:700; min-width:28px; text-align:center;}
.total-row{display:flex; justify-content:space-between; align-items:center; margin:10px 0 6px; font-size:1.05rem;}
.total-row b{color:var(--text); font-size:1.55rem;}
.detail-side{background:var(--card); border:1px solid var(--line-soft); border-radius:var(--radius);
  box-shadow:var(--shadow); padding:24px;}
.detail-side h3{margin:20px 0 8px; font-size:1.04rem;}
.detail-side h3:first-child{margin-top:0;}
.detail-side ol, .detail-side ul{padding-left:20px; margin:8px 0; font-size:.93rem; color:var(--muted);}
.detail-side b, .detail-side strong{color:var(--text);}

/* 表单 */
.form-card{background:var(--card); border:1px solid var(--line-soft); border-radius:var(--radius);
  box-shadow:var(--shadow); padding:24px; margin:24px 0;}
.field{margin-bottom:17px;}
.field label{display:block; font-weight:600; margin-bottom:7px; font-size:.95rem;}
.field label i{color:var(--danger); font-style:normal;}
.field input, .field textarea{width:100%; border:1.5px solid var(--line); border-radius:12px;
  padding:12px 15px; font-size:1rem; font-family:inherit; background:#fff; color:var(--text);
  transition:border-color .15s, box-shadow .15s;}
.field input:focus, .field textarea:focus{outline:none; border-color:var(--text);
  box-shadow:0 0 0 3px rgba(23,24,28,.08);}
.field input::placeholder, .field textarea::placeholder{color:#b3b8c0;}
.field .hint{color:var(--muted); font-size:.82rem; margin-top:5px;}
.order-item{display:flex; justify-content:space-between; gap:10px; padding:13px 0;
  border-bottom:1px dashed var(--line); font-size:.95rem;}
.order-item:last-child{border-bottom:none;}
.order-total{display:flex; justify-content:space-between; font-weight:800; font-size:1.15rem; padding-top:14px;}
.order-total b{color:var(--text);}

/* 付款页 */
.pay-wrap{max-width:560px; margin:24px auto;}
.qr-box{background:var(--card); border:1px solid var(--line-soft); border-radius:var(--radius);
  box-shadow:var(--shadow); padding:28px; text-align:center;}
.qr-box img{width:230px; height:230px; object-fit:contain; border:1px solid var(--line-soft); border-radius:10px;}
.qr-fallback{width:230px; height:230px; margin:0 auto; border:2px dashed var(--line); border-radius:10px;
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:8px;
  color:var(--muted); font-size:.85rem; background:var(--card-2); padding:16px;}
.qr-fallback code{background:#eef0f4; padding:2px 8px; border-radius:6px; font-size:.8rem; color:var(--text);}
.pay-amount{font-size:2rem; font-weight:800; color:var(--text); margin:12px 0 2px; letter-spacing:.02em;}
.order-id{font-size:.9rem; color:var(--muted);}
.order-id b{color:var(--text); user-select:all;}
.pay-steps{text-align:left; margin:20px 0 4px; padding-left:20px; font-size:.93rem; color:var(--muted);}

/* 成功页 */
.success-wrap{max-width:600px; margin:38px auto; text-align:center;}
.success-icon{font-size:3.4rem;}
.success-card{background:var(--card); border:1px solid var(--line-soft); border-radius:var(--radius);
  box-shadow:var(--shadow); padding:26px; margin-top:20px; text-align:left;}
.success-card h3{margin:0 0 10px;}
.copy-box{width:100%; min-height:150px; border:1.5px solid var(--line); border-radius:12px;
  padding:13px; font-size:.85rem; font-family:inherit; background:var(--card-2); color:var(--text); margin:10px 0;}

/* FAQ 手风琴 */
.faq-item{background:var(--card); border:1px solid var(--line-soft); border-radius:16px;
  box-shadow:var(--shadow); margin-bottom:10px; overflow:hidden;}
.faq-q{padding:16px 18px; font-weight:700; cursor:pointer; display:flex;
  justify-content:space-between; align-items:center; gap:10px;}
.faq-q::after{content:"+"; font-size:1.3rem; font-weight:400; color:var(--muted); flex-shrink:0;}
.faq-item.open .faq-q::after{content:"–"; color:var(--text);}
.faq-a{display:none; padding:0 18px 18px; color:#4a4f58; font-size:.94rem;}
.faq-item.open .faq-a{display:block;}
.faq-a ul{padding-left:20px;}

/* 法务页 */
.legal-nav{display:flex; gap:10px; margin:22px 0; flex-wrap:wrap;}
.legal-doc{background:var(--card); border:1px solid var(--line-soft); border-radius:var(--radius);
  box-shadow:var(--shadow); padding:24px; margin-bottom:18px;}
.legal-doc h2{margin-top:0; font-size:1.2rem;}
.legal-doc ol{padding-left:20px;}
.legal-doc li{margin-bottom:10px; font-size:.94rem; color:#4a4f58;}
.legal-doc li strong{color:var(--text);}

/* 页脚 */
.footer{background:#fff; border-top:1px solid var(--line-soft); margin-top:46px; padding:30px 0 20px;}
.footer-inner{display:grid; grid-template-columns:1fr; gap:16px;}
@media(min-width:700px){ .footer-inner{grid-template-columns:1.4fr 1fr 1fr;} }
.footer-title{font-weight:800; font-size:1.04rem;}
.footer-sub, .footer-contact{color:var(--muted); font-size:.88rem;}
.footer-links{display:flex; flex-direction:column; gap:8px; font-size:.92rem;}
.footer-links a{color:var(--muted);}
.footer-links a:hover{color:var(--text);}
.footer-note{color:#a7acb5; font-size:.78rem; margin-top:18px; padding-top:14px; border-top:1px solid var(--line-soft);}

/* toast */
.toast{position:fixed; left:50%; bottom:28px; transform:translateX(-50%) translateY(20px);
  background:#17181c; color:#fff; padding:13px 24px; border-radius:12px; font-size:.92rem;
  box-shadow:0 8px 28px rgba(0,0,0,.25);
  opacity:0; pointer-events:none; transition:.25s; z-index:99; max-width:90vw; text-align:center;}
.toast.show{opacity:1; transform:translateX(-50%) translateY(0);}

.empty{text-align:center; padding:60px 20px; color:var(--muted);}
.empty .big{font-size:3rem; margin-bottom:10px;}
.breadcrumb{color:var(--muted); font-size:.88rem; margin:20px 0 0;}
.breadcrumb a{color:var(--muted);}
.mt{margin-top:16px;}

/* 悬浮在线客服 */
.svc-btn{position:fixed; right:18px; bottom:18px; width:58px; height:58px; border-radius:50%;
  background:#17181c; border:none; font-size:1.55rem; cursor:pointer;
  box-shadow:0 6px 20px rgba(0,0,0,.28); z-index:60; line-height:1; transition:transform .15s;
  filter:grayscale(1) brightness(2.2);}
.svc-btn:hover{transform:scale(1.06);}
.svc-panel{position:fixed; right:18px; bottom:88px; width:276px; max-width:calc(100vw - 36px);
  background:#fff; border:1px solid var(--line-soft); border-radius:18px;
  box-shadow:0 12px 40px rgba(20,22,28,.16); padding:20px; z-index:60;}
.svc-title{font-weight:800; font-size:1.04rem; margin-bottom:2px;}
.svc-hours{color:var(--muted); font-size:.82rem; margin-bottom:12px;}
.svc-note{font-size:.82rem; color:var(--muted); margin-top:10px; background:var(--card-2);
  border-radius:10px; padding:9px 11px; line-height:1.55;}
.svc-qr{width:150px; height:150px; object-fit:contain; display:block; margin:12px auto 4px;
  border:1px solid var(--line-soft); border-radius:10px; background:#fff; padding:6px;}
.svc-qr-hint{text-align:center; font-size:.78rem; color:var(--muted);}