/* 桑黃保健品網站 - 樣式表 */
:root {
    --primary-color: #8B4513;
    --secondary-color: #D2691E;
    --accent-color: #DAA520;
    --dark-bg: #2C1810;
    --light-bg: #FDF5E6;
    --cream-bg: #FFFAF0;
    --text-dark: #333333;
    --text-light: #666666;
    --white: #FFFFFF;
    --gold: #B8860B;
    --green: #228B22;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Serif TC', 'Microsoft JhengHei', 'PingFang TC', serif;
    line-height: 1.8;
    color: var(--text-dark);
    background: var(--cream-bg);
}

/* 標題字體 */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Noto Serif TC', 'Microsoft JhengHei', serif;
    font-weight: 700;
    line-height: 1.4;
}

/* 頂部導航 */
.header {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #4A2C17 100%);
    padding: 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo a {
    color: var(--accent-color);
    text-decoration: none;
    transition: opacity 0.3s;
}

.logo a:hover {
    opacity: 0.8;
}

.logo-text {
    font-size: 28px;
    font-weight: bold;
    background: linear-gradient(45deg, var(--accent-color), #FFD700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtitle {
    font-size: 12px;
    color: #CCC;
    display: block;
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 5px;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 25px;
    transition: all 0.3s;
    font-size: 15px;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: var(--secondary-color);
    color: var(--white);
}

/* 漢堡菜單 */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--white);
    transition: 0.3s;
}

/* 主圖區域 */
.hero {
    background: linear-gradient(rgba(44, 24, 16, 0.7), rgba(44, 24, 16, 0.8)),
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="%23D2691E" opacity="0.3"/></svg>');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding-top: 80px;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 70%, rgba(218, 165, 32, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 30%, rgba(139, 69, 19, 0.1) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 0 20px;
}

.hero h1 {
    font-size: 56px;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero h1 span {
    color: var(--accent-color);
}

.hero p {
    font-size: 22px;
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 18px;
    font-weight: bold;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(210, 105, 30, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(210, 105, 30, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--accent-color);
}

.btn-secondary:hover {
    background: var(--accent-color);
    color: var(--dark-bg);
}

/* 頁面標題區 */
.page-hero {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #4A2C17 100%);
    padding: 150px 20px 80px;
    text-align: center;
    color: var(--white);
}

.page-hero h1 {
    font-size: 42px;
    margin-bottom: 15px;
}

.page-hero p {
    font-size: 18px;
    opacity: 0.8;
    max-width: 600px;
    margin: 0 auto;
}

/* 區塊通用樣式 */
section {
    padding: 80px 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
}

.section-title p {
    color: var(--text-light);
    font-size: 18px;
    max-width: 600px;
    margin: 20px auto 0;
}

/* 特色卡片 */
.features {
    background: var(--light-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 30px rgba(0,0,0,0.08);
    transition: all 0.3s;
    border: 1px solid rgba(139, 69, 19, 0.1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(139, 69, 19, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 36px;
    color: var(--white);
}

.feature-card h3 {
    font-size: 22px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 關於桑黃區塊 */
.about-section {
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image-placeholder {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    border-radius: 20px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 100px;
    position: relative;
    overflow: hidden;
}

.about-image-placeholder::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    animation: pulse 4s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.3; }
}

.about-text h2 {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.9;
}

.about-list {
    list-style: none;
    margin: 25px 0;
}

.about-list li {
    padding: 10px 0;
    padding-left: 35px;
    position: relative;
    color: var(--text-dark);
}

.about-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--green);
    font-weight: bold;
    font-size: 18px;
}

/* 產品區塊 */
.products-section {
    background: var(--light-bg);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 30px rgba(0,0,0,0.08);
    transition: all 0.3s;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(139, 69, 19, 0.15);
}

.product-image {
    height: 250px;
    background: linear-gradient(135deg, var(--secondary-color), var(--gold));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    color: var(--white);
}

.product-info {
    padding: 25px;
}

.product-info h3 {
    font-size: 22px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.product-info p {
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.7;
}

.product-features {
    list-style: none;
    margin-bottom: 20px;
}

.product-features li {
    padding: 5px 0;
    color: var(--text-dark);
    font-size: 14px;
}

.product-features li::before {
    content: '•';
    color: var(--secondary-color);
    font-weight: bold;
    margin-right: 8px;
}

/* 功效區塊 */
.benefits-section {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #4A2C17 100%);
    color: var(--white);
}

.benefits-section .section-title h2 {
    color: var(--accent-color);
}

.benefits-section .section-title p {
    color: rgba(255,255,255,0.8);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.benefit-item {
    background: rgba(255,255,255,0.1);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s;
}

.benefit-item:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-5px);
}

.benefit-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.benefit-item h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--accent-color);
}

.benefit-item p {
    font-size: 14px;
    opacity: 0.9;
    line-height: 1.7;
}

/* FAQ 區塊 */
.faq-section {
    background: var(--white);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 15px;
    border: 1px solid rgba(139, 69, 19, 0.2);
    border-radius: 10px;
    overflow: hidden;
}

.faq-question {
    background: var(--light-bg);
    padding: 20px 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s;
}

.faq-question:hover {
    background: var(--cream-bg);
}

.faq-question h3 {
    font-size: 18px;
    color: var(--primary-color);
    font-weight: 600;
}

.faq-toggle {
    font-size: 24px;
    color: var(--secondary-color);
    transition: transform 0.3s;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s;
    background: var(--white);
}

.faq-item.active .faq-answer {
    padding: 20px 25px;
    max-height: 500px;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 博客區塊 */
.blog-section {
    background: var(--light-bg);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.blog-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 30px rgba(0,0,0,0.08);
    transition: all 0.3s;
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(139, 69, 19, 0.15);
}

.blog-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    color: var(--white);
}

.blog-content {
    padding: 25px;
}

.blog-date {
    color: var(--secondary-color);
    font-size: 14px;
    margin-bottom: 10px;
}

.blog-card h3 {
    font-size: 20px;
    color: var(--primary-color);
    margin-bottom: 15px;
    line-height: 1.4;
}

.blog-card p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 15px;
}

.read-more {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s;
}

.read-more:hover {
    color: var(--primary-color);
    gap: 10px;
}

/* 文章內容頁 */
.article-content {
    background: var(--white);
    padding: 60px 20px;
}

.article-container {
    max-width: 800px;
    margin: 0 auto;
}

.article-container h2 {
    font-size: 28px;
    color: var(--primary-color);
    margin: 40px 0 20px;
}

.article-container h3 {
    font-size: 22px;
    color: var(--secondary-color);
    margin: 30px 0 15px;
}

.article-container p {
    color: var(--text-dark);
    line-height: 2;
    margin-bottom: 20px;
}

.article-container ul,
.article-container ol {
    margin: 20px 0;
    padding-left: 30px;
}

.article-container li {
    margin-bottom: 10px;
    line-height: 1.8;
}

.article-note {
    background: var(--light-bg);
    border-left: 4px solid var(--secondary-color);
    padding: 20px 25px;
    margin: 30px 0;
    border-radius: 0 10px 10px 0;
}

.article-note p {
    margin: 0;
    font-style: italic;
}

/* 聯繫區塊 */
.contact-section {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--white);
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.contact-details p {
    color: var(--text-light);
    line-height: 1.6;
}

.contact-details a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color 0.3s;
}

.contact-details a:hover {
    color: var(--primary-color);
}

/* 聯繫表單 */
.contact-form-wrapper {
    background: var(--light-bg);
    padding: 40px;
    border-radius: 20px;
}

.contact-form-wrapper h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 15px;
    border: 2px solid rgba(139, 69, 19, 0.2);
    border-radius: 10px;
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s;
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 10px rgba(210, 105, 30, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: var(--white);
    border: none;
    border-radius: 10px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(210, 105, 30, 0.4);
}

/* CTA 區塊 */
.cta-section {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: var(--white);
    text-align: center;
    padding: 80px 20px;
}

.cta-section h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .btn-secondary {
    border-color: var(--white);
    color: var(--white);
}

.cta-section .btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
}

/* 頁腳 */
.footer {
    background: var(--dark-bg);
    color: var(--white);
    padding: 60px 20px 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-brand .logo-text {
    font-size: 24px;
    margin-bottom: 15px;
    display: block;
}

.footer-brand p {
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-column h4 {
    color: var(--accent-color);
    font-size: 18px;
    margin-bottom: 20px;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 40px;
    padding-top: 30px;
    text-align: center;
    color: rgba(255,255,255,0.5);
    font-size: 14px;
}

.footer-bottom a {
    color: var(--accent-color);
    text-decoration: none;
}

/* 響應式設計 */
@media (max-width: 992px) {
    .about-content,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--dark-bg);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 50px;
        transition: left 0.3s;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu a {
        padding: 15px 30px;
        font-size: 18px;
    }

    .hamburger {
        display: flex;
    }

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

    .hero p {
        font-size: 18px;
    }

    .page-hero h1 {
        font-size: 32px;
    }

    .section-title h2 {
        font-size: 28px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .blog-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
    }

    .contact-form-wrapper {
        padding: 25px;
    }
}