/* 基本樣式重置 */
.fenglin-v2-body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft JhengHei", "PingFang TC", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    color: #2c3e50;
    background-color: #fafafa;
}

/* 容器樣式 */
.fenglin-v2-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 頁首樣式 */
.fenglin-v2-header {
    background: linear-gradient(135deg, #1a472a, #2e7d32);
    color: white;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.fenglin-v2-header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.fenglin-v2-logo img {
    height: 65px;
    width: auto;
    filter: brightness(0) invert(1);
}

.fenglin-v2-nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.fenglin-v2-nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.fenglin-v2-nav a:hover,
.fenglin-v2-nav-active {
    background-color: rgba(255,255,255,0.15);
    color: #d4af37;
}

/* 系列介紹英雄區 */
.fenglin-v2-series-hero {
    background: linear-gradient(rgba(26, 71, 42, 0.9), rgba(46, 125, 50, 0.85)), url('images/series-bg.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 100px 0;
    text-align: center;
    margin-bottom: 60px;
}

.fenglin-v2-series-hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.fenglin-v2-series-subtitle {
    font-size: 1.4rem;
    max-width: 800px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

.fenglin-v2-series-tagline {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
    background-color: rgba(255,255,255,0.1);
    padding: 15px 25px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

/* 產品系列總覽 */
.fenglin-v2-series-overview {
    padding: 60px 0;
}

.fenglin-v2-section-title {
    text-align: center;
    font-size: 2.3rem;
    color: #1a472a;
    margin-bottom: 50px;
    position: relative;
}

.fenglin-v2-section-title:after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background-color: #d4af37;
    margin: 15px auto;
    border-radius: 2px;
}

.fenglin-v2-series-intro {
    max-width: 900px;
    margin: 0 auto 60px;
    text-align: center;
    font-size: 1.15rem;
    line-height: 1.8;
    color: #546e7a;
}

/* 產品對比區 */
.fenglin-v2-product-comparison {
    padding: 60px 0;
    background-color: white;
    border-radius: 12px;
    margin-bottom: 60px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}

.fenglin-v2-comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(550px, 1fr));
    gap: 40px;
}

@media (max-width: 768px) {
    .fenglin-v2-comparison-grid {
        grid-template-columns: 1fr;
    }
}

.fenglin-v2-product-showcase {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #e0e0e0;
    transition: all 0.3s ease;
}

.fenglin-v2-product-showcase:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.12);
}

.fenglin-v2-product-header {
    background: linear-gradient(135deg, #1a472a, #2e7d32);
    color: white;
    padding: 30px;
    position: relative;
}

.fenglin-v2-product-type {
    display: inline-block;
    background-color: #d4af37;
    color: #1a472a;
    padding: 6px 15px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.fenglin-v2-product-name {
    font-size: 1.9rem;
    margin-bottom: 10px;
}

.fenglin-v2-product-tagline {
    font-size: 1.1rem;
    opacity: 0.9;
}

.fenglin-v2-product-content {
    padding: 35px;
}

.fenglin-v2-key-features h3 {
    color: #1a472a;
    margin-bottom: 20px;
    font-size: 1.4rem;
}

/* =============================================
   清單縮進優化（需求1、2）
   原 padding-left: 32px → 減少60% → 13px
   ============================================= */
.fenglin-v2-feature-list {
    list-style: none;
    margin-bottom: 25px;
    padding-left: 0;
}

.fenglin-v2-feature-list li {
    padding: 10px 0;
    padding-left: 13px; /* 原32px，減少60% */
    position: relative;
    border-bottom: 1px solid #f0f0f0;
}

.fenglin-v2-feature-list li:last-child {
    border-bottom: none;
}

.fenglin-v2-feature-list li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #2e7d32;
    font-weight: bold;
    font-size: 1.2rem;
}

.fenglin-v2-best-for {
    background-color: #e8f5e9;
    padding: 20px;
    border-radius: 12px;
    margin-top: 25px;
}

.fenglin-v2-best-for h4 {
    color: #1a472a;
    margin-bottom: 10px;
}

.fenglin-v2-best-for-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.fenglin-v2-best-tag {
    background-color: white;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid #2e7d32;
    color: #2e7d32;
}

.fenglin-v2-product-price {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    margin-top: 25px;
}

.fenglin-v2-price-amount {
    font-size: 2.2rem;
    color: #1a472a;
    font-weight: 700;
}

.fenglin-v2-price-unit {
    font-size: 1rem;
    color: #546e7a;
}

/* 選擇指南區 */
.fenglin-v2-selection-guide {
    padding: 60px 0;
    background-color: white;
    border-radius: 12px;
    margin-bottom: 60px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}

.fenglin-v2-guide-content {
    max-width: 1000px;
    margin: 0 auto;
}

.fenglin-v2-guide-intro {
    text-align: center;
    margin-bottom: 40px;
    font-size: 1.2rem;
    color: #546e7a;
}

.fenglin-v2-guide-table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.fenglin-v2-guide-table th {
    background-color: #1a472a;
    color: white;
    padding: 18px;
    text-align: left;
    font-weight: 600;
}

.fenglin-v2-guide-table td {
    padding: 18px;
    border-bottom: 1px solid #eee;
    vertical-align: top;
}

.fenglin-v2-guide-table tr:hover {
    background-color: #f9f9f9;
}

.fenglin-v2-guide-table-recommendation {
    background-color: #e8f5e9;
    font-weight: 600;
    color: #1a472a;
}

/* =============================================
   行動裝置表格：卡片式堆疊
   ============================================= */
@media (max-width: 768px) {

    .fenglin-v2-guide-content {
        padding: 0 5px;
    }

    .fenglin-v2-guide-table thead {
        display: none;
    }

    .fenglin-v2-guide-table,
    .fenglin-v2-guide-table tbody,
    .fenglin-v2-guide-table tr,
    .fenglin-v2-guide-table td {
        display: block;
        width: 100%;
        box-sizing: border-box;
    }

    .fenglin-v2-guide-table tr {
        margin-bottom: 16px;
        border: 1px solid #c8e6c9;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 2px 6px rgba(0,0,0,0.06);
        background-color: #fff;
    }

    .fenglin-v2-guide-table tr:hover {
        background-color: #f9f9f9;
    }

    .fenglin-v2-guide-table td {
        display: flex;
        align-items: flex-start;
        gap: 10px;
        padding: 12px 15px;
        border-bottom: 1px solid #e8f5e9;
        font-size: 0.92rem;
        line-height: 1.6;
    }

    .fenglin-v2-guide-table td:last-child {
        border-bottom: none;
    }

    .fenglin-v2-guide-table td::before {
        content: attr(data-label);
        flex: 0 0 90px;
        font-weight: 700;
        color: #fff;
        background-color: #1a472a;
        padding: 4px 8px;
        border-radius: 4px;
        font-size: 0.78rem;
        line-height: 1.5;
        text-align: center;
        white-space: nowrap;
        align-self: flex-start;
        margin-top: 2px;
    }

    .fenglin-v2-guide-table td.fenglin-v2-guide-table-recommendation {
        background-color: #e8f5e9;
    }
}

/* 組合建議區 */
.fenglin-v2-combination-suggestions {
    padding: 60px 0;
}

.fenglin-v2-suggestion-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.fenglin-v2-suggestion-card {
    background: white;
    border-radius: 12px;
    padding: 35px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    border-top: 5px solid #d4af37;
}

.fenglin-v2-suggestion-card h3 {
    color: #1a472a;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

/* =============================================
   組合建議清單縮進優化（需求3、4、5）
   原 padding-left: 28px → 減少60% → 11px
   ============================================= */
.fenglin-v2-suggestion-card ul {
    list-style: none;
    margin: 20px 0;
    padding-left: 0;
}

.fenglin-v2-suggestion-card li {
    padding: 10px 0;
    padding-left: 11px; /* 原28px，減少60% */
    position: relative;
}

.fenglin-v2-suggestion-card li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: #d4af37;
    font-size: 1.5rem;
    line-height: 1.4;
}

/* E-E-A-T展示區 */
.fenglin-v2-eeat-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 12px;
    margin-bottom: 60px;
}

.fenglin-v2-eeat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.fenglin-v2-eeat-card {
    background: white;
    padding: 35px 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.fenglin-v2-eeat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.1);
}

.fenglin-v2-eeat-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #1a472a;
}

.fenglin-v2-eeat-card h3 {
    color: #1a472a;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

/* 技術比較區 */
.fenglin-v2-tech-comparison {
    padding: 60px 0;
    background-color: white;
    border-radius: 12px;
    margin-bottom: 60px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}

.fenglin-v2-tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.fenglin-v2-tech-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
}

.fenglin-v2-tech-card h3 {
    color: #1a472a;
    margin-bottom: 20px;
    font-size: 1.4rem;
}

/* 使用情境展示 */
.fenglin-v2-usage-scenarios {
    padding: 60px 0;
}

.fenglin-v2-scenario-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.fenglin-v2-scenario-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    text-align: center;
}

.fenglin-v2-scenario-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #2e7d32;
}

.fenglin-v2-scenario-card h3 {
    color: #1a472a;
    margin-bottom: 15px;
}

/* 品質保證區 */
.fenglin-v2-quality-section {
    padding: 60px 0;
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}

.fenglin-v2-certification-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.fenglin-v2-cert-badge {
    background: white;
    padding: 25px 20px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    text-align: center;
    border-top: 4px solid #2e7d32;
    transition: all 0.3s ease;
}

.fenglin-v2-cert-badge:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

/* 聯絡諮詢區 */
.fenglin-v2-consultation-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a472a, #2e7d32);
    color: white;
    border-radius: 12px;
    margin: 60px 0;
}

.fenglin-v2-consultation-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.fenglin-v2-consultation-content h2 {
    font-size: 2.3rem;
    margin-bottom: 20px;
    color: white;
}

.fenglin-v2-consultation-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.fenglin-v2-contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.fenglin-v2-contact-item {
    background: rgba(255,255,255,0.1);
    padding: 25px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

/* 頁尾樣式 */
.fenglin-v2-footer {
    background-color: #1a472a;
    color: white;
    padding: 60px 0 30px;
    margin-top: 60px;
}

.fenglin-v2-footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.fenglin-v2-footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: #d4af37;
}

.fenglin-v2-footer-list {
    list-style: none;
    padding-left: 0;
}

.fenglin-v2-footer-list li {
    margin-bottom: 12px;
}

.fenglin-v2-footer-list a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    transition: all 0.3s ease;
}

.fenglin-v2-footer-list a:hover {
    color: #d4af37;
    padding-left: 5px;
}

.fenglin-v2-copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    opacity: 0.8;
    font-size: 0.9rem;
}

/* 文字樣式輔助類 */
.fenglin-v2-text-center { text-align: center; }
.fenglin-v2-text-left   { text-align: left; }
.fenglin-v2-text-right  { text-align: right; }

.fenglin-v2-mt-1 { margin-top: 10px; }
.fenglin-v2-mt-2 { margin-top: 20px; }
.fenglin-v2-mt-3 { margin-top: 30px; }
.fenglin-v2-mt-4 { margin-top: 40px; }
.fenglin-v2-mt-5 { margin-top: 50px; }

.fenglin-v2-mb-1 { margin-bottom: 10px; }
.fenglin-v2-mb-2 { margin-bottom: 20px; }
.fenglin-v2-mb-3 { margin-bottom: 30px; }
.fenglin-v2-mb-4 { margin-bottom: 40px; }
.fenglin-v2-mb-5 { margin-bottom: 50px; }

/* 響應式調整 */
@media (max-width: 768px) {
    .fenglin-v2-series-hero h1 {
        font-size: 2.2rem;
    }

    .fenglin-v2-series-subtitle {
        font-size: 1.1rem;
    }

    .fenglin-v2-section-title {
        font-size: 1.8rem;
    }

    .fenglin-v2-nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .fenglin-v2-product-name {
        font-size: 1.6rem;
    }

    .fenglin-v2-comparison-grid {
        grid-template-columns: 1fr;
    }
}