@charset "utf-8";

/* 微协同站点公共头部样式，以首页视觉为唯一基准，by AI.Coding */
:root {
    --brand-blue: #1768e5;
    --brand-blue-dark: #092d6d;
    --brand-cyan: #31c8ff;
    --line: #e1e9f4;
}

.nav.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    width: 100%;
    height: 72px;
    padding: 0 30px;
    background: rgba(255, 255, 255, .95);
    border-bottom: 1px solid rgba(25, 65, 120, .08);
    box-shadow: 0 8px 30px rgba(28, 66, 116, .07);
    backdrop-filter: blur(14px);
}

.nav.site-nav .brand-group {
    display: flex;
    flex: none;
    align-items: center;
    gap: 10px;
}

.nav.site-nav .brand-lockup {
    display: inline-flex;
    align-items: center;
}

.nav.site-nav .brand-logo {
    width: auto;
    height: 52px;
}

.nav.site-nav .nav-list {
    display: flex;
    align-items: center;
    gap: 2px;
    margin: 0 0 0 auto;
    padding: 0;
    list-style: none;
}

.nav.site-nav .nav-list a {
    display: block;
    padding: 10px 12px;
    color: #30425f;
    font-size: 15px;
    border-radius: 10px;
    text-decoration: none;
    transition: color .2s ease, background-color .2s ease, transform .2s ease;
}

.nav.site-nav .nav-list a:hover {
    color: var(--brand-blue);
    background: #edf5ff;
    transform: translateY(-1px);
}

.nav.site-nav .nav-list .is-active a {
    color: #fff;
    background: linear-gradient(135deg, #247bf0, #125ed3);
    box-shadow: 0 8px 20px rgba(23, 104, 229, .22);
}

.nav.site-nav .nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    margin-left: auto;
    padding: 10px;
    background: #edf5ff;
    border: 0;
    border-radius: 12px;
    cursor: pointer;
}

.nav.site-nav .nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    margin: 4px 0;
    background: var(--brand-blue);
    border-radius: 2px;
    transition: transform .2s ease, opacity .2s ease;
}

.nav.site-nav.is-open .nav-toggle span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.nav.site-nav.is-open .nav-toggle span:nth-child(2) {
    opacity: 0;
}

.nav.site-nav.is-open .nav-toggle span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 1000px) {
    .nav.site-nav {
        height: 64px;
        padding: 0 16px;
    }

    .nav.site-nav .brand-logo {
        height: 44px;
    }

    .nav.site-nav .nav-toggle {
        display: block;
    }

    .nav.site-nav .nav-list {
        position: absolute;
        top: 72px;
        right: 12px;
        left: 12px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
        max-height: calc(100vh - 88px);
        margin: 0;
        padding: 10px;
        overflow-y: auto;
        background: rgba(255, 255, 255, .98);
        border: 1px solid var(--line);
        border-radius: 16px;
        box-shadow: 0 22px 52px rgba(28, 70, 126, .20);
    }

    .nav.site-nav.is-open .nav-list {
        display: flex;
    }

    .nav.site-nav .nav-list a {
        padding: 12px 14px;
        text-align: left;
    }
}

@media (prefers-reduced-motion: reduce) {
    .nav.site-nav *, .nav.site-nav *::before, .nav.site-nav *::after {
        transition-duration: .01ms !important;
    }
}