/* ==========================================================================
   waysim 客服中心專用樣式表
   - 設計原則：簡潔、現代、高可用性、完全響應式支援（行動端優先思考）
   - 註解語言：繁體中文（說明為何採用此設計規則）
   ========================================================================== */

/* 1. 全域變數定義：統一色彩規範與間距，方便未來品牌主題更換與維護 */
:root {
    --primary-color: #2563eb;       /* 主品牌藍色：象徵信任、科技與全球連線 */
    --primary-hover: #1d4ed8;       /* 懸停深藍色：提升互動反饋視覺 */
    --primary-light: #eff6ff;       /* 淺藍背景：用於標籤與高亮區塊 */
    --secondary-color: #0ea5e9;     /* 輔助天藍色：豐富漸層層次 */
    --accent-color: #f59e0b;        /* 亮黃/橘強調色：用於警示或特定狀態 */
    --success-color: #10b981;       /* 在線狀態綠色：傳達穩定與在線意象 */
    
    --text-main: #0f172a;           /* 主要深色文字：確保充足對比度，提升可讀性 */
    --text-muted: #64748b;          /* 次要說明文字：降低視覺干擾 */
    --text-light: #94a3b8;          /* 輔助註釋文字 */
    
    --bg-page: #f8fafc;             /* 頁面基底背景色：柔和低刺激淺灰白 */
    --bg-card: #ffffff;             /* 卡片背景色：純白以襯托陰影與內容 */
    --border-color: #e2e8f0;        /* 邊框線條色：維持精緻輕薄感 */
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* 2. 重設與基礎設定：消除瀏覽器預設差異並啟用順暢捲動 */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Plus Jakarta Sans', 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-page);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* 3. 排版容器：限制最大寬度以避免大螢幕上內容過於發散 */
.container {
    width: 100%;
    max-width: 1140px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
}

/* 4. 按鈕共用樣式：提供明確的微互動反饋 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #ffffff;
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover), var(--primary-color));
    box-shadow: 0 6px 20px 0 rgba(37, 99, 235, 0.45);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: #ffffff;
    color: var(--text-main);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background-color: #f1f5f9;
    border-color: #cbd5e1;
    transform: translateY(-1px);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 1.5px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-light);
}

.btn-large {
    padding: 14px 28px;
    font-size: 1.05rem;
}

.w-full {
    width: 100%;
}

/* 5. 頂部導覽列（Navbar）：半透明磨砂玻璃質感，固定於上方方便隨時導覽 */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    height: 72px;
    display: flex;
    align-items: center;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.25rem;
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-main);
    line-height: 1.1;
}

.brand-tag {
    font-size: 0.75rem;
    color: var(--primary-color);
    font-weight: 700;
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-links a {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* 6. 主視覺區（Hero Section）：營造高質感科技氛圍，吸引視覺焦點 */
.hero-section {
    position: relative;
    padding: 80px 0 60px;
    text-align: center;
    background: radial-gradient(circle at 50% 20%, #e0f2fe 0%, #f8fafc 70%);
    overflow: hidden;
}

.hero-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 24px;
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.hero-title {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 16px;
    letter-spacing: -0.8px;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 36px;
}

.status-banner {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 18px;
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--text-muted);
    box-shadow: var(--shadow-sm);
}

.status-indicator {
    width: 8px;
    height: 8px;
    background-color: var(--success-color);
    border-radius: 50%;
    position: relative;
}

/* 呼吸燈動畫：突顯客服在線狀態的即時感 */
.status-indicator::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border-radius: 50%;
    background-color: var(--success-color);
    opacity: 0.6;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(2); opacity: 0; }
    100% { transform: scale(1); opacity: 0; }
}

/* 7. 區塊標題共用樣式 */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-title {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 8px;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1rem;
}

/* 8. 服務卡片區（Services Section）：卡片化網格排版，提升掃讀效率 */
.services-section {
    padding: 70px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.service-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: #cbd5e1;
}

.service-card.highlight-card {
    background: linear-gradient(180deg, #ffffff 0%, #eff6ff 100%);
    border-color: #bfdbfe;
}

.service-icon-box {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.color-blue { background-color: #eff6ff; color: #2563eb; }
.color-green { background-color: #ecfdf5; color: #10b981; }
.color-purple { background-color: #f5f3ff; color: #8b5cf6; }
.color-orange { background-color: #fff7ed; color: #f97316; }

.service-card-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.service-card-desc {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.5;
    margin-bottom: 20px;
    flex-grow: 1;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary-color);
    transition: gap var(--transition-fast);
}

.service-link:hover {
    gap: 10px;
}

.service-btn {
    margin-top: auto;
    width: 100%;
}

/* 9. FAQ 常見問題手風琴區（Accordion）：收納詳細解答以維持版面清爽 */
.faq-section {
    padding: 70px 0;
    background-color: #ffffff;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.faq-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--bg-card);
    transition: border-color var(--transition-fast);
}

.faq-item.active {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
    text-align: left;
    transition: background-color var(--transition-fast);
}

.faq-question:hover {
    background-color: #f8fafc;
}

.faq-arrow {
    color: var(--text-muted);
    transition: transform var(--transition-normal);
    font-size: 0.9rem;
}

.faq-item.active .faq-arrow {
    transform: rotate(180deg);
    color: var(--primary-color);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    background-color: #fafbfc;
}

.faq-answer-inner {
    padding: 0 24px 20px;
    color: #475569;
    font-size: 0.95rem;
    line-height: 1.7;
}

.faq-answer-inner ol {
    margin-top: 8px;
    padding-left: 20px;
}

.faq-answer-inner li {
    margin-bottom: 6px;
}

/* 10. 聯絡資訊區（Contact Section） */
.contact-section {
    padding: 70px 0;
}

.contact-card {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border-radius: var(--radius-lg);
    padding: 48px;
    color: #ffffff;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
    align-items: center;
    box-shadow: var(--shadow-xl);
}

.contact-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.contact-desc {
    color: #94a3b8;
    margin-bottom: 32px;
    font-size: 1.05rem;
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-info-item i {
    font-size: 1.25rem;
    color: var(--secondary-color);
    margin-top: 4px;
}

.contact-info-item strong {
    display: block;
    font-size: 1rem;
    color: #f1f5f9;
}

.contact-info-item p {
    color: #94a3b8;
    font-size: 0.9rem;
}

.contact-action-box {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 32px;
    text-align: center;
    backdrop-filter: blur(10px);
}

.zendesk-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #38bdf8;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.small-tip {
    font-size: 0.8rem;
    color: #64748b;
    margin-top: 12px;
}

/* 11. 頁尾區（Footer） */
.footer {
    background-color: #ffffff;
    border-top: 1px solid var(--border-color);
    padding: 32px 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-brand .brand-name {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-main);
}

/* 12. 響應式斷點設定（Media Queries） */
@media (max-width: 860px) {
    .contact-card {
        grid-template-columns: 1fr;
        padding: 32px 24px;
    }

    .hero-title {
        font-size: 2.1rem;
    }
}

@media (max-width: 640px) {
    .nav-links a {
        display: none; /* 在手機版精簡導覽，僅保留最重要的客服按鈕以維持簡潔 */
    }

    .hero-section {
        padding: 50px 0 40px;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .footer-container {
        flex-direction: column;
        text-align: center;
    }
}