/* ===================================
   Footer 美化優化樣式 (Enhanced)
   保留所有現有功能，只美化視覺效果
   =================================== */

/* Footer 主容器 */
.footer {
    background: linear-gradient(135deg, #1a1a1a 0%, #0f0f0f 100%);
    color: #c5c5c5;
    padding: 80px 0 0;
    margin-top: 100px;
    border-top: 1px solid rgba(159, 129, 137, 0.2);
    position: relative;
}

/* Footer 容器 */
.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Footer 內容區域 */
.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 60px;
    padding: 60px 0 40px;
    border-bottom: 1px solid rgba(159, 129, 137, 0.2);
}

/* Footer 欄位 */
.footer-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Footer 標題 */
.footer-title {
    font-size: 16px;
    font-weight: 700;
    color: #9F8189;
    margin: 0;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-family: 'Playfair Display', 'Noto Serif TC', serif;
}

/* Footer 連結列表 */
.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin: 0;
}

.footer-links a {
    color: #c5c5c5;
    text-decoration: none;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.8;
    transition: all 0.3s ease;
    position: relative;
    display: inline-block;
    padding: 0;
}

.footer-links a::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #9F8189;
    transition: width 0.3s ease;
}

.footer-links a:hover {
    color: #9F8189;
    padding-left: 0;
}

.footer-links a:hover::before {
    width: 100%;
}

/* 聯絡資訊樣式 */
.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    color: #c5c5c5;
    margin: 0;
    line-height: 1.8;
}

.contact-item i {
    color: #9F8189;
    min-width: 20px;
    margin-top: 2px;
    font-size: 16px;
}

.contact-item a {
    color: #c5c5c5;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: #9F8189;
}

/* 社群連結 */
.footer-social {
    display: flex;
    gap: 16px;
    margin-top: 12px;
}

.footer-social a {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(159, 129, 137, 0.15);
    border: 1px solid rgba(159, 129, 137, 0.3);
    border-radius: 50%;
    color: #9F8189;
    transition: all 0.3s ease;
    text-decoration: none;
    font-size: 20px;
}

.footer-social a:hover {
    background: #9F8189;
    color: #1a1a1a;
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(159, 129, 137, 0.3);
    border-color: #9F8189;
}

/* 免責聲明區域 */
.footer-disclaimer {
    background: rgba(0, 0, 0, 0.3);
    border-left: 4px solid #9F8189;
    padding: 30px;
    margin: 40px 0;
    border-radius: 4px;
}

.disclaimer-title {
    font-size: 16px;
    font-weight: 700;
    color: #9F8189;
    margin: 0 0 16px 0;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-family: 'Playfair Display', 'Noto Serif TC', serif;
}

.disclaimer-text {
    font-size: 13px;
    color: #a0a0a0;
    line-height: 1.8;
    margin: 0;
    text-align: left;
}

/* 頁尾底部 */
.footer-bottom {
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid rgba(159, 129, 137, 0.2);
}

.footer-bottom p {
    font-size: 13px;
    color: #808080;
    margin: 0;
    line-height: 1.8;
}

/* ===================================
   響應式設計
   =================================== */

/* 平板版本 (1024px 以下) */
@media (max-width: 1024px) {
    .footer {
        padding: 60px 0 0;
        margin-top: 80px;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
        padding: 50px 0 30px;
    }

    .footer-title {
        font-size: 15px;
    }

    .footer-links a {
        font-size: 13px;
    }

    .contact-item {
        font-size: 13px;
    }

    .footer-social a {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }
}

/* 手機版本 (768px 以下) */
@media (max-width: 768px) {
    .footer {
        padding: 40px 0 0;
        margin-top: 60px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 40px 0 20px;
    }

    .footer-section {
        gap: 16px;
    }

    .footer-title {
        font-size: 14px;
        margin-bottom: 4px;
    }

    .footer-links {
        gap: 12px;
    }

    .footer-links a {
        font-size: 12px;
    }

    .footer-contact {
        gap: 16px;
    }

    .contact-item {
        font-size: 12px;
    }

    .footer-social {
        gap: 12px;
    }

    .footer-social a {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .footer-disclaimer {
        padding: 20px;
        margin: 30px 0;
    }

    .disclaimer-title {
        font-size: 14px;
        margin-bottom: 12px;
    }

    .disclaimer-text {
        font-size: 11px;
    }

    .footer-bottom {
        padding: 20px 0;
    }

    .footer-bottom p {
        font-size: 12px;
    }
}

/* 超小螢幕 (480px 以下) */
@media (max-width: 480px) {
    .footer {
        padding: 30px 0 0;
        margin-top: 40px;
    }

    .footer-content {
        gap: 20px;
        padding: 30px 0 15px;
    }

    .footer-title {
        font-size: 13px;
    }

    .footer-links a {
        font-size: 11px;
    }

    .contact-item {
        font-size: 11px;
    }

    .footer-social a {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }

    .footer-disclaimer {
        padding: 15px;
        margin: 20px 0;
    }

    .disclaimer-text {
        font-size: 10px;
    }
}

/* ===================================
   動畫和過渡效果
   =================================== */

.footer a,
.footer button {
    transition: all 0.3s ease;
}

/* 焦點狀態 */
.footer a:focus,
.footer button:focus {
    outline: 2px solid #9F8189;
    outline-offset: 2px;
}

/* ===================================
   深色模式優化 (如果需要)
   =================================== */

@media (prefers-color-scheme: dark) {
    .footer {
        background: linear-gradient(135deg, #1a1a1a 0%, #0f0f0f 100%);
    }

    .footer-links a {
        color: #d0d0d0;
    }

    .contact-item {
        color: #d0d0d0;
    }

    .footer-bottom p {
        color: #888888;
    }
}