/* 基础样式 */
body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background-color: #f5f7fa;
    margin: 0;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 30px;
}

h1 {
    color: #2c3e50;
    margin-bottom: 10px;
}

/* 卡片样式 */
.card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    margin-bottom: 20px;
}

.input-group {
    display: flex;
    gap: 10px;
}

input[type="text"] {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
}

/* 按钮样式 */
button {
    border: none;
    border-radius: 8px;
    padding: 12px 20px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

button .icon {
    font-style: normal;
    font-weight: bold;
}

.primary {
    background: #3498db;
    color: white;
}

.primary:hover {
    background: #2980b9;
}

.secondary {
    background: #07C160;
    color: white;
}

.secondary:hover {
    background: #d5dbdb;
    color: white;
}

.action-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
}

/* 弹窗样式 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 100;
    display: none;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    z-index: 101;
    display: none;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.modal-content {
    padding: 25px;
    position: relative;
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 24px;
    cursor: pointer;
    color: #95a5a6;
}

.tutorial-content {
    margin-top: 20px;
}

.step {
    margin-bottom: 25px;
}

.step img {
    width: 100%;
    border-radius: 8px;
    margin: 10px 0;
    border: 1px solid #eee;
}

.feature-list {
    padding-left: 20px;
}

.feature-list li {
    margin-bottom: 10px;
    list-style-type: none;
    position: relative;
    padding-left: 25px;
}

.feature-list li:before {
    content: "•";
    color: #2ecc71;
    font-size: 24px;
    position: absolute;
    left: 0;
    top: -3px;
}

/* 响应式调整 */
@media (max-width: 480px) {
    .input-group {
        flex-direction: column;
    }
    
    button {
        justify-content: center;
    }
}

.quality-guarantee {
  background: linear-gradient(135deg, #f8f4ff 0%, #e8f1ff 100%);
  border: 1px solid #d1e3ff;
  border-radius: 12px;
  padding: 20px;
  margin: 25px 0;
  position: relative;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.guarantee-icon {
  position: absolute;
  top: -15px;
  right: 20px;
  font-size: 32px;
  background: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.guarantee-title {
  color: #5a67d8;
  font-size: 1.2em;
  margin-bottom: 15px;
  padding-bottom: 8px;
  border-bottom: 2px dashed #c3dafe;
}

.guarantee-content {
  line-height: 1.8;
}

.guarantee-content ol {
  padding-left: 25px;
}

.guarantee-content li {
  margin-bottom: 8px;
  position: relative;
}

.guarantee-content strong {
  color: #434190;
}

.guarantee-badge {
  position: absolute;
  bottom: -10px;
  right: 20px;
  background: #4c51bf;
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8em;
  font-weight: bold;
}
/* 备案号样式 */
.footer {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.8);
        padding: 15px 0;
        backdrop-filter: blur(10px);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        z-index: 1000;
}

.beian {
        color: #fff;
        font-size: 0.9rem;
        text-align: center;
}

.beian a {
        color: #FFD700;
        text-decoration: none;
        transition: color 0.3s;
        margin: 0 10px;
}

.beian a:hover {
        color: #fff;
        text-decoration: underline;
}
.beian-separator {
        margin: 0 15px;
        color: #666;
}

.police-beian {
        display: inline-flex;
        align-items: center;
        margin-left: 10px;
}
.police-icon {
        margin-right: 5px;
        font-size: 0.8rem;
}