/* ===== 全站統一頁腳 ===== */
.site-footer {
    background-color: #2a2a2a;
    color: #fff;
    padding: 2.5rem 1.5rem 2rem;
    margin-top: 1rem;
}

/* --- 雙 Logo + 標語 --- */
.footer-logos {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.6rem;
}

.footer-logo-img {
    height: 2rem;
    width: auto;
    opacity: 0.9;
}

.footer-logo-sep {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.35);
    font-weight: 300;
    line-height: 1;
}

.footer-tagline {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.55);
    margin-bottom: 2rem;
    line-height: 1.6;
    font-weight: 400;
    max-width: 400px;
}

.footer-tagline strong {
    color: rgba(255,255,255,0.9);
    font-weight: 600;
}

/* --- 三欄區域（移動端堆疊） --- */
.footer-section {
    margin-bottom: 1.8rem;
}

.footer-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: rgba(255,255,255,0.4);
    margin-bottom: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* 下載按鈕 */
.footer-app-btn {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.65rem 1rem;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    color: #fff;
    text-decoration: none;
    font-size: 1.15rem;
    font-weight: 500;
    transition: background 0.2s, border-color 0.2s;
    margin-bottom: 0.5rem;
}

.footer-app-btn:hover,
.footer-app-btn:active {
    background: rgba(255,255,255,0.12);
    border-color: rgba(255,255,255,0.2);
}

.footer-app-btn svg {
    width: 1.1rem;
    height: 1.1rem;
    flex-shrink: 0;
    color: var(--primary-orange);
    opacity: 0.9;
}

/* 快速連結 - 移動端雙欄 */
.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.15rem 0.5rem;
}

.footer-link {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    padding: 0.35rem 0;
    transition: color 0.2s;
}

.footer-link:hover,
.footer-link:active {
    color: #fff;
}

/* --- 底部橫條：聯絡 + 版權 --- */
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.15rem;
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    transition: color 0.2s;
    font-weight: 500;
}

.footer-contact-item svg {
    width: 1.1rem;
    height: 1.1rem;
    flex-shrink: 0;
    color: var(--primary-orange);
    opacity: 0.8;
}

.footer-contact-item:hover,
.footer-contact-item:active {
    color: #fff;
}

.footer-copyright {
    font-size: 1rem;
    color: rgba(255,255,255,0.3);
    text-align: center;
    line-height: 1.6;
}

/* ==========================================================================
   桌面端 ≥ 1024px
   ========================================================================== */
@media (min-width: 1024px) {
    .site-footer {
        padding: 3.5rem 2rem 2rem;
        margin-top: 0;
        position: relative;
    }

    /* 頂部品牌色細線裝飾 */
    .site-footer::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 2px;
        background: linear-gradient(90deg, #F26B00 0%, #FF6F00 35%, #C01023 65%, #F0303F 100%);
        opacity: 0.6;
    }

    /* === 品牌區：置中橫排 === */
    .footer-top {
        max-width: 1000px;
        margin: 0 auto;
    }

    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.8rem;
        margin-bottom: 2.5rem;
    }

    .footer-logos {
        gap: 0.7rem;
        margin-bottom: 0;
    }

    .footer-logo-img {
        height: 2.2rem;
    }

    .footer-logo-sep {
        font-size: 1.3rem;
        color: rgba(255,255,255,0.2);
    }

    .footer-tagline {
        font-size: 1.1rem;
        max-width: none;
        margin-bottom: 0;
        line-height: 1.5;
        color: rgba(255,255,255,0.4);
    }

    .footer-tagline strong {
        color: rgba(255,255,255,0.8);
    }

    /* === 三欄橫排：寬敞展開 === */
    .footer-columns-desktop {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        gap: 3rem;
        max-width: 800px;
        margin: 0 auto;
    }

    .footer-section {
        margin-bottom: 0;
    }

    /* 欄目標題 */
    .footer-section-title {
        font-size: 1rem;
        font-weight: 600;
        color: rgba(255,255,255,0.3);
        margin-bottom: 1rem;
        text-transform: none;
        letter-spacing: 0.03em;
    }

    /* 下載按鈕 */
    .footer-app-btn {
        font-size: 1.1rem;
        padding: 0.55rem 0.9rem;
        border-radius: 10px;
        background: rgba(255,255,255,0.04);
        border: 1px solid rgba(255,255,255,0.08);
        transition: background 0.25s, border-color 0.25s, transform 0.2s;
    }

    .footer-app-btn:hover {
        background: rgba(255,255,255,0.1);
        border-color: rgba(255,255,255,0.18);
        transform: translateY(-1px);
    }

    .footer-app-btn svg {
        width: 1rem;
        height: 1rem;
    }

    /* 快速連結：單欄 */
    .footer-links {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .footer-link {
        font-size: 1.1rem;
        padding: 0.35rem 0;
        color: rgba(255,255,255,0.6);
        transition: color 0.2s, padding-left 0.2s;
    }

    .footer-link:hover {
        color: #fff;
        padding-left: 4px;
    }

    /* 聯絡我們欄 */
    .footer-contact {
        flex-direction: column;
        gap: 0.7rem;
    }

    .footer-contact-item {
        font-size: 1.05rem;
        gap: 0.45rem;
        color: rgba(255,255,255,0.55);
    }

    .footer-contact-item svg {
        width: 0.95rem;
        height: 0.95rem;
        opacity: 0.7;
    }

    .footer-contact-item:hover {
        color: rgba(255,255,255,0.9);
    }

    /* === 底部橫條 === */
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.06);
        flex-direction: row;
        align-items: center;
        justify-content: center;
        padding-top: 1.5rem;
        margin-top: 2.5rem;
    }

    .footer-copyright {
        font-size: 0.95rem;
        color: rgba(255,255,255,0.2);
        text-align: center;
    }
}