* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: #f0f2f5;
    color: rgba(0, 0, 0, 0.88);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    display: flex;
    max-width: 1100px;
    width: 100%;
    min-height: 640px;
    border-radius: 20px;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}

.panel-left {
    flex: 1;
    background: linear-gradient(135deg, #e6f4ff 0%, #f0f5ff 100%);
    padding: 50px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.panel-right {
    flex: 1;
    background: #ffffff;
    padding: 50px 50px;
    display: flex;
    flex-direction: column;
}

.panel-right .ant-form {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.form-fields {
    flex: 1;
}

.panel-right .ant-form-item:last-child {
    margin-top: auto;
    margin-bottom: 0;
}

/* 将必填 * 号移到标签文字后面 */
.panel-right .ant-form-item-required::before {
    display: none !important;
}

.panel-right .ant-form-item-required::after {
    display: inline-block;
    margin-inline-start: 4px;
    color: #ff4d4f;
    font-size: 14px;
    font-family: SimSun, sans-serif;
    line-height: 1;
    content: '*';
}

.panel-left-top {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.logo-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #1677ff 0%, #69b1ff 100%);
    border-radius: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    box-shadow: 0 6px 16px rgba(22, 119, 255, 0.25);
}

.logo-icon svg {
    width: 44px;
    height: 44px;
    fill: #ffffff;
}

.software-name {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.software-subtitle {
    font-size: 15px;
    color: #6b7280;
    margin-bottom: 32px;
    text-align: center;
    line-height: 1.6;
}

.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    width: 100%;
}

.feature-card {
    background: rgba(255, 255, 255, 0.7);
    border-radius: 16px;
    padding: 20px 18px;
    text-align: center;
    border: 1px solid rgba(22, 119, 255, 0.08);
    transition: all 0.2s ease;
    backdrop-filter: blur(4px);
}

.feature-card:hover {
    border-color: rgba(22, 119, 255, 0.2);
    box-shadow: 0 2px 8px rgba(22, 119, 255, 0.08);
}

.feature-card-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
}

.feature-card-icon svg {
    width: 22px;
    height: 22px;
}

.feature-card-icon.orange {
    background: #fff7e6;
    color: #fa8c16;
}

.feature-card-icon.green {
    background: #f6ffed;
    color: #52c41a;
}

.feature-card-icon.purple {
    background: #f9f0ff;
    color: #722ed1;
}

.feature-card-icon.blue {
    background: #e6f4ff;
    color: #1677ff;
}

.feature-card-title {
    font-size: 15px;
    font-weight: 700;
    color: rgba(0, 0, 0, 0.88);
    margin-bottom: 8px;
}

.feature-card-desc {
    font-size: 12px;
    color: rgba(0, 0, 0, 0.45);
    line-height: 1.75;
}

.download-section {
    width: 100%;
    max-width: 340px;
    margin-top: auto;
    padding-top: 30px;
    text-align: center;
}

.panel-title {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 6px;
    text-align: center;
}

.panel-subtitle {
    font-size: 14px;
    color: #9ca3af;
    margin-bottom: 32px;
    text-align: center;
}

@media (max-width: 800px) {
    .container {
        flex-direction: column;
        min-height: auto;
    }
    .panel-left {
        padding: 40px 30px;
        border-right: none;
        border-bottom: 1px solid #eef0f5;
    }
    .panel-right {
        padding: 40px 30px;
    }
    .feature-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }
}