/* 精优达商城 — 登录 / 注册 */
:root {
    --ky-auth-bg: #f7f8fa;
    --ky-auth-surface: #ffffff;
    --ky-auth-border: #e2e6ea;
    --ky-auth-text: #132a3e;
    --ky-auth-text-muted: #6b7c8f;
    --ky-auth-accent: #00a1e9;
    --ky-auth-nav-bg: #00233d;
    --ky-auth-max: 420px;
    --ky-auth-header-max: 1226px;
}

body.ky-auth {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--ky-auth-bg);
    color: var(--ky-auth-text);
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

/* ---- 主区域 ---- */
.ky-auth-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px 32px;
}

.ky-auth-card {
    width: 100%;
    max-width: var(--ky-auth-max);
    background: var(--ky-auth-surface);
    border: 1px solid var(--ky-auth-border);
    padding: 36px 40px 40px;
    box-sizing: border-box;
}

.ky-auth-card-head {
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--ky-auth-text);
}

.ky-auth-title {
    margin: 0 0 10px;
    font-size: 22px;
    font-weight: 600;
    color: var(--ky-auth-text);
    letter-spacing: 0.02em;
}

.ky-auth-switch {
    margin: 0;
    font-size: 14px;
    color: var(--ky-auth-text-muted);
}

.ky-auth-switch a {
    color: var(--ky-auth-accent);
    text-decoration: none;
    font-weight: 500;
}

.ky-auth-switch a:hover {
    text-decoration: underline;
}

/* ---- 表单 ---- */
.ky-auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ky-auth-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ky-auth-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--ky-auth-text);
}

.ky-auth-input {
    width: 100%;
    height: 44px;
    padding: 0 14px;
    font-size: 15px;
    color: var(--ky-auth-text);
    background: var(--ky-auth-bg);
    border: 1px solid var(--ky-auth-border);
    border-radius: 0;
    box-sizing: border-box;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.ky-auth-input::placeholder {
    color: #a0adb8;
}

.ky-auth-input:focus {
    border-color: var(--ky-auth-accent);
    box-shadow: 0 0 0 2px rgba(0, 161, 233, 0.12);
    background: var(--ky-auth-surface);
}

.ky-auth-captcha-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.ky-auth-input-captcha {
    flex: 1;
    min-width: 0;
}

.ky-auth-captcha-img {
    flex-shrink: 0;
    height: 44px;
    width: auto;
    cursor: pointer;
    border: 1px solid var(--ky-auth-border);
    background: #fff;
}

.ky-auth-submit {
    width: 100%;
    height: 46px;
    margin-top: 8px;
    border: none;
    background: var(--ky-auth-text);
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.08em;
    cursor: pointer;
    transition: background 0.2s;
}

.ky-auth-submit:hover {
    background: var(--ky-auth-accent);
}

/* ---- 页脚 ---- */
.ky-auth-footer {
    flex-shrink: 0;
    padding: 20px 16px 24px;
    text-align: center;
    font-size: 12px;
    color: var(--ky-auth-text-muted);
    line-height: 1.6;
}

.ky-auth-footer-sep {
    margin: 0 8px;
    color: var(--ky-auth-border);
}

@media (max-width: 480px) {
    .ky-auth-card {
        padding: 28px 20px 32px;
    }

    .ky-auth-captcha-row {
        flex-wrap: wrap;
    }

    .ky-auth-captcha-img {
        height: 40px;
    }
}