* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", SimHei, sans-serif;
}
body {
    background: linear-gradient(135deg, #2c3e50, #4ca1af);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
}
.container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    padding: 40px;
    width: 100%;
    max-width: 600px;
}
.loading-title {
    text-align: center;
    color: #2c3e50;
    font-size: 24px;
    margin-bottom: 30px;
}
.progress-container {
    width: 100%;
    height: 24px;
    background: #e0e0e0;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
    position: relative;
}
.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #3498db, #2ecc71);
    border-radius: 12px;
    transition: width 0.3s ease;
}
.progress-text {
    text-align: center;
    color: #7f8c8d;
    font-size: 16px;
    margin-bottom: 40px;
}
.login-form {
    display: none;
    margin-top: 20px;
}
.form-group {
    margin-bottom: 20px;
}
label {
    display: block;
    color: #2c3e50;
    font-size: 16px;
    margin-bottom: 8px;
    font-weight: 500;
}
input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #bdc3c7;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}
input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.1);
}
.btn {
    width: 100%;
    padding: 12px;
    background: #3498db;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s ease;
}
.btn:hover {
    background: #2980b9;
}
.message {
    margin-top: 20px;
    padding: 12px;
    border-radius: 8px;
    text-align: center;
    font-size: 16px;
}
.success {
    background: #e8f5e9;
    color: #27ae60;
}
.error {
    background: #ffebee;
    color: #e74c3c;
}
.dict-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    padding: 40px;
    width: 100%;
    max-width: 600px;
}
.dict-title {
    text-align: center;
    color: #2c3e50;
    font-size: 24px;
    margin-bottom: 30px;
}
.dict-list {
    max-height: 400px;
    overflow-y: auto;
    padding: 10px;
    border: 1px solid #bdc3c7;
    border-radius: 8px;
}
.dict-item {
    padding: 8px 10px;
    color: #34495e;
    font-size: 16px;
    border-bottom: 1px solid #ecf0f1;
}
.dict-item:last-child {
    border-bottom: none;
}
.flag-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    padding: 40px;
    width: 100%;
    max-width: 600px;
    text-align: center;
}
.flag-title {
    color: #2c3e50;
    font-size: 24px;
    margin-bottom: 30px;
}
.flag-text {
    font-size: 28px;
    color: #e74c3c;
    font-weight: bold;
    letter-spacing: 2px;
    background: #f1f1f1;
    padding: 20px;
    border-radius: 8px;
}