.tool-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 50px 20px;
}
.tool-title {
    text-align: center;
    margin-bottom: 40px;
}
.tool-title h1 {
    font-size: 32px;
    color: #1d2129;
    margin-bottom: 10px;
    font-weight: 700;
}
.tool-title p {
    font-size: 16px;
    color: #666;
}
.tool-card {
    background: #fff;
    border-radius: 16px;
    /*box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);*/
    padding: 40px;
}
.form-item {
    margin-bottom: 25px;
}
.form-item label {
    display: block;
    font-size: 15px;
    color: #333;
    margin-bottom: 10px;
    font-weight: 500;
}
.form-row {
    display: flex;
    gap: 12px;
    align-items: center;
}
.form-row input {
    flex: 1;
    height: 48px;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 0 18px;
    font-size: 16px;
    outline: none;
    transition: 0.2s;
}
.form-row input:focus {
    border-color: #3370ff;
    box-shadow: 0 0 0 3px rgba(51, 112, 255, 0.15);
}
.form-row select {
    height: 48px;
    padding: 0 16px;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    font-size: 15px;
    outline: none;
    cursor: pointer;
}
.btn-create {
    width: 100%;
    height: 52px;
    background: linear-gradient(135deg, #3370ff, #2060e6);
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: 0.3s;
    margin-top: 10px;
}
.btn-create:hover {
    opacity: 0.92;
}
.btn-create:disabled {
    background: #c0c4cc;
    cursor: not-allowed;
}
.tips {
    font-size: 14px;
    color: #666;
    margin-top: 12px;
    line-height: 1.6;
}
.progress-box {
    margin-top: 25px;
    display: none;
}
.progress-bar {
    width: 100%;
    height: 8px;
    background: #f2f3f5;
    border-radius: 4px;
    overflow: hidden;
}
.progress-inner {
    height: 100%;
    width: 0%;
    background: #3370ff;
    border-radius: 4px;
    transition: width 0.3s;
}
.progress-text {
    font-size: 14px;
    color: #3370ff;
    margin-top: 8px;
    text-align: center;
}
.msg-box {
    margin-top: 20px;
    padding: 14px 16px;
    border-radius: 10px;
    font-size: 14px;
    display: none;
    text-align: center;
}
.msg-success {
    background-color: rgba(51, 112, 255, 0.1);
    color: #3370ff;
    border: 1px solid rgba(51, 112, 255, 0.2);
}