@charset "UTF-8";
/* ============================================================
   三久太陽能 - 常見問題頁 (s39-faq)
   需搭配 s39-nav-footer.css 一起使用
   ============================================================ */

/* ============================================================
   頁面主標題 (與 about 頁面同風格 - 高度 200px)
   ============================================================ */
.s39-faq-hero {
    background: linear-gradient(135deg, #3a8fd4 0%, #6bb0e8 100%);
    color: white;
    padding: 0;
    height: 200px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.s39-faq-hero::after {
    
    font-size: 160px;
    opacity: 0.06;
    position: absolute;
    right: -10px;
    bottom: -20px;
    transform: rotate(12deg);
}

.s39-faq-hero .s39-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
    width: 100%;
}

.s39-faq-hero .s39-hero-text {
    flex: 1 1 50%;
}

.s39-faq-hero .s39-hero-text h1 {
    font-size: 48px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 4px;
    line-height: 1.2;
}

.s39-faq-hero .s39-breadcrumb {
    color: rgba(255, 255, 255, 0.85);
    font-size: 22px;
}

.s39-faq-hero .s39-breadcrumb a {
    color: #ffe484;
    text-decoration: none;
    transition: color 0.2s;
}

.s39-faq-hero .s39-breadcrumb a:hover {
    text-decoration: underline;
    color: #ffffff;
}

.s39-faq-hero .s39-hero-image {
    flex: 1 1 40%;
    text-align: center;
}

.s39-faq-hero .s39-hero-image img {
    max-width: 85%;
    height: auto;
    max-height: 210px;
    display: block;
    background: transparent;
    margin: 0 auto;
}

/* ----- 內容區塊 ----- */
.s39-faq-section {
    padding: 50px 0;
    background: #ffffff;
}

.s39-faq-section .s39-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================================
   FAQ 項目
   ============================================================ */
.s39-faq-item {
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid #dce8f5;
    margin-bottom: 18px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(43, 123, 201, 0.04);
    transition: box-shadow 0.25s;
}

.s39-faq-item:hover {
    box-shadow: 0 4px 20px rgba(43, 123, 201, 0.10);
}

/* ----- FAQ 標題列 ----- */
.s39-faq-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 22px 28px;
    cursor: pointer;
    background: #f8faff;
    transition: background 0.2s;
}

.s39-faq-header:hover {
    background: #eef4fa;
}

.s39-faq-header .s39-faq-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #2b7bc9;
    color: #ffffff;
    font-size: 18px;
    font-weight: 700;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    flex-shrink: 0;
}

.s39-faq-header h3 {
    flex: 1;
    font-size: 25px;
    font-weight: 600;
    color: #1a5a96;
    margin: 0;
    line-height: 1.4;
}

.s39-faq-header .s39-faq-toggle {
    background: none;
    border: none;
    color: #2b7bc9;
    font-size: 24px;
    padding: 4px 8px;
    cursor: pointer;
    transition: transform 0.25s;
    flex-shrink: 0;
}

.s39-faq-header .s39-faq-toggle:hover {
    color: #1a5a96;
}

/* ----- FAQ 內容區 (收合/展開) ----- */
.s39-faq-body {
    display: none;
    padding: 0 28px 28px 28px;
    border-top: 1px solid #eef4fa;
    background: #ffffff;
}

/* ----- 影片區塊 (圓角 + 框線 + 縮進) ----- */
.s39-faq-video {
    margin: 22px 0 20px 0;
    border-radius: 14px;
    overflow: hidden;
    border: 2px solid #dce8f5;
    background: #1a1a2e;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.s39-faq-video video {
    width: 100%;
    height: auto;
    display: block;
    background: #1a1a2e;
}

/* ----- FAQ 內文 (字體加大) ----- */
.s39-faq-content {
    font-size: 20px;
    color: #1e2a4a;
    line-height: 1.9;
}

.s39-faq-content p {
    margin-bottom: 12px;
}

.s39-faq-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.s39-faq-content ul li {
    padding: 8px 0 8px 32px;
    position: relative;
    font-size: 20px;
    color: #1e2a4a;
    line-height: 1.8;
}

.s39-faq-content ul li::before {
    content: "▸";
    color: #2b7bc9;
    font-weight: 700;
    position: absolute;
    left: 4px;
    top: 8px;
    font-size: 20px;
}

.s39-faq-content ul li strong {
    color: #1a5a96;
    font-weight: 600;
}

/* ----- 連結按鈕 (預約水垢清理) ----- */
.s39-faq-link {
    display: inline-block;
    background: #2b7bc9;
    color: #ffffff;
    font-weight: 600;
    padding: 8px 24px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 18px;
    transition: background 0.2s, transform 0.2s;
}

.s39-faq-link:hover {
    background: #1a5a96;
    transform: translateY(-2px);
}

/* ----- 來源宣告 ----- */
.s39-faq-source {
    margin-top: 40px;
    padding: 20px 28px;
    background: #e8f2fc;
    border-radius: 12px;
    font-size: 19px;
    color: #4a6a8a;
    text-align: center;
    border: 1px solid #d4e8fa;
}

.s39-faq-source a {
    color: #2b7bc9;
    font-weight: 600;
    text-decoration: none;
}

.s39-faq-source a:hover {
    text-decoration: underline;
}

/* ============================================================
   響應式設計 (RWD)
   ============================================================ */

/* ----- 平板 (max-width: 992px) ----- */
@media (max-width: 992px) {
    .s39-faq-hero {
        height: 180px;
    }

    .s39-faq-hero .s39-hero-text h1 {
        font-size: 36px;
    }

    .s39-faq-hero .s39-breadcrumb {
        font-size: 18px;
    }

    .s39-faq-hero .s39-hero-image {
        flex: 1 1 100%;
        text-align: center;
    }

    .s39-faq-hero .s39-hero-image img {
        max-width: 55%;
        max-height: 120px;
        transform: none;
    }

    .s39-faq-hero .s39-hero-text {
        transform: translateY(-30px);
    }

    .s39-faq-header {
        padding: 18px 22px;
    }
    .s39-faq-header h3 {
        font-size: 22px;
    }
    .s39-faq-header .s39-faq-num {
        font-size: 16px;
        width: 40px;
        height: 40px;
    }

    .s39-faq-body {
        padding: 0 22px 22px 22px;
    }

    .s39-faq-content {
        font-size: 18px;
    }
    .s39-faq-content ul li {
        font-size: 18px;
        padding: 6px 0 6px 28px;
    }
    .s39-faq-content ul li::before {
        top: 6px;
        font-size: 18px;
    }

    .s39-faq-video {
        border-radius: 12px;
    }

    .s39-faq-link {
        font-size: 17px;
        padding: 7px 20px;
    }

    .s39-faq-source {
        font-size: 17px;
        padding: 18px 22px;
    }
}

/* ----- 手機 (max-width: 768px) ----- */
@media (max-width: 768px) {
    .s39-faq-hero {
        height: 170px;
    }

    .s39-faq-hero .s39-hero-text h1 {
        font-size: 30px;
    }

    .s39-faq-hero .s39-breadcrumb {
        font-size: 16px;
    }

    .s39-faq-hero .s39-hero-image img {
        max-width: 65%;
        max-height: 150px;
        transform: translate(60px, -30px);
    }

    .s39-faq-hero .s39-hero-text {
        transform: translateY(30px);
    }

    .s39-faq-header {
        padding: 16px 18px;
        gap: 12px;
    }

    .s39-faq-header .s39-faq-num {
        font-size: 15px;
        width: 36px;
        height: 36px;
    }

    .s39-faq-header h3 {
        font-size: 20px;
    }

    .s39-faq-header .s39-faq-toggle {
        font-size: 20px;
    }

    .s39-faq-body {
        padding: 0 18px 20px 18px;
    }

    .s39-faq-video {
        margin: 18px 0 16px 0;
        border-radius: 10px;
        border-width: 1px;
    }

    .s39-faq-content {
        font-size: 17px;
    }
    .s39-faq-content ul li {
        font-size: 17px;
        padding: 5px 0 5px 26px;
    }
    .s39-faq-content ul li::before {
        font-size: 17px;
        top: 5px;
        left: 2px;
    }

    .s39-faq-link {
        font-size: 16px;
        padding: 6px 18px;
    }

    .s39-faq-source {
        font-size: 16px;
        padding: 16px 18px;
        margin-top: 32px;
    }
}

/* ----- 小手機 (max-width: 480px) ----- */
@media (max-width: 480px) {
    .s39-faq-hero {
        height: 140px;
    }

    .s39-faq-hero .s39-hero-text h1 {
        font-size: 24px;
    }

    .s39-faq-hero .s39-breadcrumb {
        font-size: 14px;
    }

    .s39-faq-hero .s39-hero-image img {
        max-width: 58%;
        max-height: 110px;
        transform: translate(60px, -30px);
    }

    .s39-faq-hero .s39-hero-text {
        transform: translateY(30px);
    }

    .s39-faq-header {
        padding: 14px 14px;
        gap: 10px;
    }

    .s39-faq-header .s39-faq-num {
        font-size: 13px;
        width: 32px;
        height: 32px;
    }

    .s39-faq-header h3 {
        font-size: 18px;
    }

    .s39-faq-header .s39-faq-toggle {
        font-size: 18px;
    }

    .s39-faq-body {
        padding: 0 14px 16px 14px;
    }

    .s39-faq-video {
        margin: 14px 0 12px 0;
        border-radius: 8px;
    }

    .s39-faq-content {
        font-size: 16px;
    }
    .s39-faq-content ul li {
        font-size: 16px;
        padding: 4px 0 4px 24px;
    }
    .s39-faq-content ul li::before {
        font-size: 16px;
        top: 4px;
        left: 2px;
    }

    .s39-faq-link {
        font-size: 15px;
        padding: 5px 16px;
    }

    .s39-faq-source {
        font-size: 15px;
        padding: 14px 14px;
        margin-top: 28px;
    }
}