* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", PingFang SC, sans-serif;
}
body {
    width: 100vw;
    height: 100vh;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
body::after {
    content: "";
    position: absolute;
    right: 0;
    top: 0;
    width: 65%;
    height: 100%;
    background: linear-gradient(120deg, #e6f4f9, #f0f8fc);
    border-radius: 100% 0 0 100%;
    opacity: 0.75;
    z-index: -1;
}
.login-box {
    width: 440px;
    background: #fff;
    padding: 46px 38px;
    border-radius: 14px;
    box-shadow: 0 3px 18px rgba(0, 0, 0, 0.06);
    text-align: center;
    z-index: 1;
}
.company-title {
    font-size: 29px;
    color: #1a1a1a;
    font-weight: 500;
    margin-bottom: 10px;
}
.login-tip {
    font-size: 16px;
    color: #666;
    margin-bottom: 20px;
}
.error-msg {
    color: #ff4d4f;
    font-size: 14px;
    margin-bottom: 12px;
    height: 20px;
    text-align: center;
}
.input-item {
    margin-bottom: 20px;
}
.input-item input {
    width: 100%;
    height: 48px;
    padding: 0 16px;
    border: 1px solid #e1e5eb;
    border-radius: 8px;
    font-size: 16px;
    color: #222;
    outline: none;
    transition: 0.25s;
}
.input-item input::placeholder {
    color: #b0b8c4;
}
.input-item input:focus {
    border-color: #a1d9e3;
    box-shadow: 0 0 0 3px rgba(161, 217, 227, 0.18);
}
.login-btn {
    width: 100%;
    height: 48px;
    border: none;
    background: #c6e8f0;
    color: #ffffff;
    font-size: 17px;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.25s;
    margin-bottom: 18px;
}
.login-btn:hover {
    background: #97d2df;
}
.register-btn {
    width: 100%;
    height: 48px;
    border: 1px solid #c6e8f0;
    background: #fff;
    color: #55a8bb;
    font-size: 17px;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.25s;
    margin-bottom: 18px;
}
.register-btn:hover {
    background: #f0f8fc;
}
.bottom-text {
    font-size: 14px;
    color: #666;
}
.bottom-text a {
    color: #55a8bb;
    text-decoration: none;
}

@keyframes loginDotFade {
    0% { opacity: 1; }
    50% { opacity: 0.3; }
    100% { opacity: 1; }
}
.login-dot1 { animation: loginDotFade 1.5s infinite 0s; }
.login-dot2 { animation: loginDotFade 1.5s infinite 0.3s; }
.login-dot3 { animation: loginDotFade 1.5s infinite 0.6s; }

.login-btn.loading {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}