* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
body {
    background-color: #F5F7FA;
    color: #1D2129;
}
.header {
    background-color: #165DFF;
    color: white;
    padding: 20px 16px;
    text-align: center;
}
.header h1 {
    font-size: 20px;
    font-weight: bold;
}
.header p {
    font-size: 14px;
    opacity: 0.9;
    margin-top: 4px;
}
.container {
    max-width: 640px;
    margin: 0 auto;
    padding: 24px 16px;
}
.card {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    padding: 24px;
    margin-bottom: 20px;
}
.icon-box {
    display: flex;
    justify-content: center;
    margin-bottom: 16px;
}
.icon-box img {
    width: 80px;
    height:80px;
}
.card-title {
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    margin-bottom:12px;
}
.desc {
    font-size:14px;
    color:#4E5969;
    line-height:1.6;
    margin-bottom:20px;
}
.guide-box {
    background-color: #EFF6FF;
    padding:16px;
    border-radius:8px;
    margin-bottom:20px;
}
.guide-box h3 {
    color:#165DFF;
    font-size:16px;
    margin-bottom:8px;
}
.guide-box ol {
    padding-left:20px;
    font-size:14px;
    color:#4E5969;
}
.guide-box li {
    margin-bottom:6px;
}
.main-btn {
    width:100%;
    background-color:#165DFF;
    color:white;
    border:none;
    border-radius:8px;
    padding:12px;
    font-size:16px;
    font-weight:500;
}
.main-btn:active {
    background-color:#0F48D1;
}
.success-tip {
    text-align:center;
    color:#00B42A;
    font-size:14px;
    margin-top:8px;
}
.hidden {
    display: none !important;
}
.tip-title {
    color:#FF7D00;
    font-size:16px;
    margin-bottom:10px;
}
.card ul {
    font-size:14px;
    color:#4E5969;
}
.card ul li {
    margin-bottom:6px;
}
.contact-title {
    color:#1D2129;
    font-size:16px;
    margin-bottom:10px;
}
.phone {
    font-weight:bold;
}
.small-text {
    font-size:12px;
    color:#86909C;
    margin-top:8px;
}
.footer {
    text-align:center;
    padding:24px;
    font-size:12px;
    color:#86909C;
}
/* 弹窗样式 */
.modal {
    position: fixed;
    left:0;
    top:0;
    width:100%;
    height:100%;
    background-color:rgba(0,0,0,0.5);
    display:flex;
    align-items:center;
    justify-content:center;
    z-index:999;
}
.modal-content {
    background:white;
    padding:24px;
    border-radius:12px;
    width:80%;
    max-width:320px;
    text-align:center;
}
.close-btn {
    float:right;
    font-size:24px;
    cursor:pointer;
    color:#86909C;
}
.qrcode-wrap img{
    width:100%;
    border-radius:8px;
}
.qrcode-placeholder {
    border:1px dashed #ccc;
    padding:40px 10px;
    color:#86909C;
}
.modal-desc {
    font-size:14px;
    color:#4E5969;
}