:root {
    --color-primary: #B91C1C;
    --color-primary-active: #991B1B;
    --color-primary-soft: #FEE2E2;
    --color-gold: #A16207;
    --color-gold-soft: #FEF3C7;
    --color-ink: #1C1917;
    --color-body: #44403C;
    --color-muted: #78716C;
    --color-muted-soft: #A8A29E;
    --color-hairline: #D6D3D1;
    --color-hairline-soft: #E7E5E4;
    --color-border-strong: #B8B3AD;
    --color-canvas: #FCFBF7;
    --color-surface-soft: #F5F3EE;
    --color-surface-strong: #EFEBE3;
    --font-heading: 'Noto Serif SC', 'Songti SC', 'STSong', serif;
    --font-family: 'Noto Sans SC', -apple-system, system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

html, body {
    height: 100%;
    width: 100%;
}

* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-family: var(--font-family);
    font-weight: 400;
    margin: 0;
    color: var(--color-body);
    background: var(--color-canvas);
}

a {
    transition: color .2s ease, background-color .2s ease, border-color .2s ease;
    color: var(--color-primary);
}

a:hover,
a:focus {
    color: var(--color-primary-active);
    text-decoration: none;
}

#mainbody {
    position: relative;
    width: 100%;
    min-height: 100vh;
    overflow-y: hidden;
    background: var(--color-canvas);
    color: var(--color-body);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 16px 120px;
}

#mainbody > .container {
    max-width: 720px;
    width: 100%;
}

#mainbody .landing-card {
    text-align: center;
    padding: 48px 32px;
}

#mainbody .landing-card .site-logo {
    width: 120px;
    height: auto;
    margin-bottom: 24px;
    border-radius: 14px;
    background: var(--color-surface-soft);
    box-shadow: 0 8px 30px rgba(28,25,23,0.08);
}

#mainbody .landing-card h1 {
    font-family: var(--font-heading);
    font-size: 42px;
    font-weight: 600;
    color: var(--color-ink);
    margin: 0 0 8px;
    letter-spacing: -0.02em;
}

#mainbody .landing-card .site-slogan {
    font-size: 16px;
    color: var(--color-muted);
    margin: 0 0 40px;
}

#mainbody .entry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    max-width: 560px;
    margin: 0 auto;
}

#mainbody .entry-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--color-canvas);
    border: 1px solid var(--color-hairline-soft);
    border-radius: 14px;
    padding: 24px 16px;
    color: var(--color-ink);
    text-decoration: none;
    transition: border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
    min-height: 120px;
}

#mainbody .entry-card:hover,
#mainbody .entry-card:focus {
    border-color: var(--color-primary);
    background: var(--color-primary-soft);
    box-shadow: 0 8px 24px rgba(28,25,23,0.08);
    outline: none;
}

#mainbody .entry-card i {
    font-size: 28px;
    color: var(--color-primary);
}

#mainbody .entry-card span {
    font-size: 15px;
    font-weight: 500;
}

.footer {
    background: var(--color-ink);
    padding: 20px 0;
    color: rgba(252,251,247,0.5);
    text-align: center;
}

.footer p {
    font-size: 14px;
    margin: 0;
}

.footer a {
    color: rgba(252,251,247,0.7);
}

.footer a:hover {
    color: var(--color-canvas);
}

@media (max-width: 767px) {
    #mainbody {
        padding: 60px 16px 100px;
        min-height: 100vh;
        height: auto;
    }

    #mainbody .landing-card {
        padding: 32px 16px;
    }

    #mainbody .landing-card .site-logo {
        width: 88px;
        margin-bottom: 16px;
    }

    #mainbody .landing-card h1 {
        font-size: 28px;
    }

    #mainbody .landing-card .site-slogan {
        font-size: 14px;
        margin-bottom: 28px;
    }

    #mainbody .entry-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    #mainbody .entry-card {
        min-height: 100px;
        padding: 18px 10px;
    }

    #mainbody .entry-card i {
        font-size: 22px;
    }

    #mainbody .entry-card span {
        font-size: 14px;
    }
}

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

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition: none !important;
        animation: none !important;
    }
}