/* 内部邀请码 / 安全码验证页 */
html.gate-ui-root,
html:has(.gate-ui-body) {
    font-size: 16px !important;
}

.gate-ui-body {
    margin: 0;
    min-height: 100vh;
    font-size: 16px !important;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    color: #1a1a1a;
    -webkit-font-smoothing: antialiased;
    background: #f0f2f5;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 18px;
    box-sizing: border-box;
}

.gate-wrap {
    width: 100%;
    max-width: 400px;
}

.gate-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 28px;
}

.gate-brand .logo-circle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(145deg, #ff4d4f 0%, #cf1322 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.gate-brand .logo-circle img {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.gate-brand .logo-circle .fallback {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
}

.gate-brand-text h2 {
    margin: 0;
    font-size: 17px;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1.2;
}

.gate-brand-text p {
    margin: 2px 0 0;
    font-size: 10px;
    color: #8c8c8c;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.gate-card {
    position: relative;
    background: #fff;
    border-radius: 4px;
    padding: 32px 28px 36px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}

.gate-card::before {
    content: "";
    position: absolute;
    right: -20px;
    top: 20px;
    width: 140px;
    height: 140px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 120'%3E%3Cpath fill='%23ffccc7' opacity='0.45' d='M50 5 L90 25 L90 65 C90 90 50 115 50 115 C50 115 10 90 10 65 L10 25 Z'/%3E%3Cpath fill='%23ffa39e' opacity='0.5' d='M55 45 L70 55 L48 85 L35 60 Z'/%3E%3C/svg%3E") no-repeat center;
    background-size: contain;
    pointer-events: none;
    opacity: 0.9;
}

.gate-title {
    margin: 0 0 28px;
    font-size: 26px;
    font-weight: 700;
    color: #1a1a1a;
    letter-spacing: 0.02em;
    position: relative;
    z-index: 1;
}

.gate-field {
    position: relative;
    z-index: 1;
    margin-bottom: 8px;
}

.gate-field label {
    display: block;
    font-size: 14px;
    color: #595959;
    margin-bottom: 10px;
}

.gate-field input {
    width: 100%;
    box-sizing: border-box;
    padding: 14px 16px;
    font-size: 15px;
    border: 1px solid #1890ff;
    border-radius: 24px;
    outline: none;
    background: #fff;
    color: #1a1a1a;
    transition: box-shadow 0.2s, border-color 0.2s;
}

.gate-field input:focus {
    box-shadow: 0 0 0 3px rgba(24, 144, 255, 0.15);
}

.gate-field input::placeholder {
    color: #bfbfbf;
}

.gate-divider {
    height: 1px;
    background: #f0f0f0;
    margin: 20px 0 24px;
    position: relative;
    z-index: 1;
}

.gate-submit {
    display: block;
    width: 100%;
    position: relative;
    z-index: 1;
    padding: 14px;
    border: none;
    border-radius: 28px;
    background: #1890ff;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    letter-spacing: 0.2em;
    text-indent: 0.2em;
    box-shadow: 0 4px 14px rgba(24, 144, 255, 0.35);
    transition: background 0.2s, opacity 0.2s;
}

.gate-submit:hover {
    background: #40a9ff;
}

.gate-submit:active {
    opacity: 0.9;
}

.gate-submit:disabled {
    background: #91d5ff;
    cursor: not-allowed;
}