/* 台灣文藝送書活動 - 白金色主題樣式表 */

/* 白金色配色變量（已加深文字層級） */
:root {
    --platinum-white: #F7F7F7;
    --platinum-light: #E8E8E8;
    --platinum-medium: #B7B7B7;  /* 原 #CECECE → 略深，用於邊框/分隔 */
    --platinum-dark: #565656;     /* 原 #A8A8A8 → 明顯變深，承擔次級文字 */
    --platinum-text: #222222;     /* 原 #2C2C2C → 更接近黑但非純黑，正文主色 */
    --platinum-accent: #B8860B;
    --platinum-gold: #DAA520;
    --platinum-silver: #C0C0C0;
    --platinum-shadow: rgba(168, 168, 168, 0.3);
    --platinum-hover: rgba(184, 134, 11, 0.1);
}

/* 全局樣式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft JhengHei', sans-serif;
    line-height: 1.6;
    color: var(--platinum-text);
    background: linear-gradient(135deg, var(--platinum-white) 0%, var(--platinum-light) 100%);
}

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

/* 導航列 */
.navbar {
    background: linear-gradient(135deg, var(--platinum-medium) 0%, var(--platinum-silver) 100%);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px var(--platinum-shadow);
    border-bottom: 1px solid var(--platinum-accent);
}

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

.nav-brand h2 {
    color: var(--platinum-text);
    font-weight: 700;
    font-size: 1.5rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-menu a {
    color: var(--platinum-text);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    position: relative;
}

.nav-menu a:hover {
    background: var(--platinum-hover);
    color: var(--platinum-accent);
    transform: translateY(-2px);
}

.nav-menu a.active {
    background: var(--platinum-accent);
    color: white;
}

/* 主橫幅 */
.hero {
    background: linear-gradient(135deg, var(--platinum-light) 0%, var(--platinum-medium) 50%, var(--platinum-silver) 100%);
    color: var(--platinum-text);
    padding: 120px 0 80px;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 70%, var(--platinum-gold) 0%, transparent 50%),
                radial-gradient(circle at 70% 30%, var(--platinum-accent) 0%, transparent 50%);
    opacity: 0.1;
    z-index: 1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--platinum-accent), var(--platinum-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 2px 2px 4px var(--platinum-shadow);
}

.hero-text h2 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--platinum-dark);
}

.hero-subtitle {
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: var(--platinum-accent);
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.8;
    color: var(--platinum-dark);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.stat-item {
    text-align: center;
    background: rgba(255,255,255,0.8);
    padding: 1.5rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--platinum-medium);
    box-shadow: 0 5px 15px var(--platinum-shadow);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--platinum-accent);
}

.stat-label {
    font-size: 1rem;
    color: var(--platinum-dark);
}

.cta-button {
    background: linear-gradient(135deg, var(--platinum-accent) 0%, var(--platinum-gold) 100%);
    color: white;
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px var(--platinum-shadow);
    position: relative;
    overflow: hidden;
}

.cta-button:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: 0.5s;
}

.cta-button:hover:before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(184, 134, 11, 0.4);
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px var(--platinum-shadow);
    border: 3px solid var(--platinum-silver);
}

/* 數據展示區 */
.data-showcase {
    padding: 80px 0;
    background: var(--platinum-white);
}

.data-showcase h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--platinum-text);
    font-weight: 700;
}

.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.data-item {
    background: linear-gradient(135deg, white 0%, var(--platinum-light) 100%);
    padding: 2.5rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px var(--platinum-shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--platinum-medium);
    position: relative;
    overflow: hidden;
}

.data-item:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--platinum-accent), var(--platinum-gold));
}

.data-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(184, 134, 11, 0.2);
}

.data-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--platinum-accent);
}

.data-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--platinum-accent);
    margin-bottom: 0.5rem;
    display: block;
}

.data-label {
    font-size: 1.1rem;
    color: var(--platinum-text);
    font-weight: 600;
}

.data-desc {
    font-size: 0.9rem;
    color: var(--platinum-dark);
    margin-top: 0.5rem;
}

/* 活動亮點 */
.highlights {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--platinum-light) 0%, var(--platinum-white) 100%);
}

.highlights h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--platinum-text);
    font-weight: 700;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.highlight-item {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px var(--platinum-shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--platinum-medium);
    position: relative;
}

.highlight-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(184, 134, 11, 0.2);
}

.highlight-icon {
    background: linear-gradient(135deg, var(--platinum-accent), var(--platinum-gold));
    color: white;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
    box-shadow: 0 5px 15px rgba(184, 134, 11, 0.3);
}

.highlight-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--platinum-text);
    font-weight: 600;
}

.highlight-item p {
    color: var(--platinum-dark);
    line-height: 1.6;
}

/* 推薦與評價 */
.testimonials {
    padding: 80px 0;
    background: var(--platinum-white);
}

.testimonials h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--platinum-text);
    font-weight: 700;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-item {
    background: linear-gradient(135deg, white 0%, var(--platinum-light) 100%);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px var(--platinum-shadow);
    border: 1px solid var(--platinum-medium);
    position: relative;
}

.testimonial-item:before {
    content: '"';
    position: absolute;
    top: -20px;
    left: 20px;
    font-size: 5rem;
    color: var(--platinum-accent);
    font-family: serif;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--platinum-dark);
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--platinum-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--platinum-accent);
    font-weight: bold;
}

.author-info h4 {
    color: var(--platinum-text);
    font-weight: 600;
}

.author-info p {
    color: var(--platinum-dark);
    font-size: 0.9rem;
}

/* 書籍介紹 */
.books-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--platinum-light) 0%, var(--platinum-white) 100%);
}

.books-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--platinum-text);
    font-weight: 700;
}

.books-grid {
    display: grid;
    gap: 3rem;
}

.book-category {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: center;
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px var(--platinum-shadow);
    border: 1px solid var(--platinum-medium);
}

.book-category:nth-child(even) {
    grid-template-columns: 2fr 1fr;
}

.book-category:nth-child(even) .book-image {
    order: 2;
}

.book-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 10px 25px var(--platinum-shadow);
    border: 2px solid var(--platinum-silver);
}

.book-content h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--platinum-text);
    font-weight: 600;
}

.book-content h3 i {
    color: var(--platinum-accent);
    margin-right: 0.5rem;
}

.book-description {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--platinum-dark);
    line-height: 1.7;
}

.book-features {
    list-style: none;
}

.book-features li {
    padding: 0.5rem 0;
    color: var(--platinum-dark);
    font-size: 1rem;
    position: relative;
    padding-left: 1.5rem;
}

.book-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--platinum-accent);
    font-weight: bold;
}

/* 專業推薦 */
.endorsements {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--platinum-medium) 0%, var(--platinum-silver) 100%);
    color: var(--platinum-text);
}

.endorsements h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    font-weight: 700;
    color: var(--platinum-text);
}

.endorsements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.endorsement-item {
    background: rgba(255,255,255,0.9);
    padding: 2.5rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--platinum-light);
    box-shadow: 0 10px 30px var(--platinum-shadow);
}

.endorser-photo img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1rem;
    border: 3px solid var(--platinum-accent);
}

.endorsement-content h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--platinum-text);
}

.endorser-title {
    color: var(--platinum-accent);
    margin-bottom: 1rem;
    font-size: 0.9rem;
    font-weight: 500;
}

.endorsement-text {
    line-height: 1.7;
    font-style: italic;
    color: var(--platinum-dark);
}

/* 報名方式 */
.registration {
    padding: 80px 0;
    background: var(--platinum-white);
}

.registration h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--platinum-text);
    font-weight: 700;
}

.registration-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.registration-steps {
    background: linear-gradient(135deg, white 0%, var(--platinum-light) 100%);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px var(--platinum-shadow);
    border: 1px solid var(--platinum-medium);
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.step-number {
    background: linear-gradient(135deg, var(--platinum-accent) 0%, var(--platinum-gold) 100%);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 3px 10px rgba(184, 134, 11, 0.3);
}

.step h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--platinum-text);
    font-weight: 600;
}

.step p {
    color: var(--platinum-dark);
    line-height: 1.6;
}

.contact-options {
    background: linear-gradient(135deg, white 0%, var(--platinum-light) 100%);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px var(--platinum-shadow);
    border: 1px solid var(--platinum-medium);
}

.contact-options h3 {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--platinum-text);
    font-weight: 600;
}

.contact-buttons {
    display: grid;
    gap: 1rem;
}

.contact-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: 15px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    color: white;
    position: relative;
    overflow: hidden;
    width: 0 auto;
}

.line-btn {
    background: linear-gradient(135deg, #06c755 0%, #00b04f 100%);
    margin: 0 auto;
}

.contact-btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: 0.5s;
}

.contact-btn:hover:before {
    left: 100%;
}

.contact-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

.contact-icon {
    font-size: 1.5rem;
}

/* 關於我們 */
.about {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--platinum-light) 0%, var(--platinum-white) 100%);
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--platinum-text);
    font-weight: 700;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--platinum-text);
    font-weight: 600;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--platinum-dark);
    line-height: 1.7;
    font-size: 1.1rem;
}

.about-text ul {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.about-text li {
    margin-bottom: 0.8rem;
    color: var(--platinum-dark);
    line-height: 1.6;
    position: relative;
}

.about-text li:before {
    content: "•";
    color: var(--platinum-accent);
    position: absolute;
    left: -1.5rem;
    font-weight: bold;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 15px 35px var(--platinum-shadow);
    border: 3px solid var(--platinum-silver);
}

/* 頁腳 */
.footer {
    background: linear-gradient(135deg, var(--platinum-dark) 0%, var(--platinum-text) 100%);
    color: var(--platinum-light);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: white;
    font-weight: 600;
    position: relative;
}

.footer-section h4:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--platinum-accent);
}

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

.footer-section li {
    margin-bottom: 0.8rem;
}

.footer-section a {
    color: var(--platinum-light);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.footer-section a:hover {
    color: var(--platinum-accent);
    padding-left: 5px;
}

.footer-section p {
    color: var(--platinum-light);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--platinum-medium);
    color: var(--platinum-medium);
}

/* 響應式設計 */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-text h2 {
        font-size: 2rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .data-grid {
        grid-template-columns: 1fr;
    }
    
    .book-category {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .book-category:nth-child(even) {
        grid-template-columns: 1fr;
    }
    
    .book-category:nth-child(even) .book-image {
        order: 1;
    }
    
    .registration-content {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .endorsements-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .timeline-item {
        grid-template-columns: 1fr;
    }
    
    .timeline-item:nth-child(even) {
        grid-template-columns: 1fr;
    }
    
    .timeline:before {
        left: 30px;
    }
    
    .timeline-item:before {
        left: 30px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .hero-text h2 {
        font-size: 1.5rem;
    }
    
    .highlights-grid {
        grid-template-columns: 1fr;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
}

/* Font Awesome 圖標特殊樣式調整 */
.highlight-icon i,
.contact-icon i,
.visual-icon i,
.value-icon i,
.shipping-icon i,
.note-icon i,
.return-icon i,
.mission-icon i,
.commitment-icon i,
.data-icon i {
    font-size: inherit;
}

/* 確保圖標在圓形背景中居中 */
.highlight-icon,
.mission-icon,
.commitment-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 導航欄圖標調整 */
.nav-brand i {
    margin-right: 0.5rem;
    color: var(--platinum-accent);
}

/* 活動時間線 */
.timeline-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--platinum-light) 0%, var(--platinum-white) 100%);
}

.timeline-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--platinum-text);
    font-weight: 700;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline:before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(135deg, var(--platinum-accent), var(--platinum-gold));
    transform: translateX(-50%);
}

.timeline-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item:nth-child(even) {
    grid-template-columns: 1fr 1fr;
    direction: rtl;
}

.timeline-item:nth-child(even) .timeline-content {
    direction: ltr;
}

.timeline-item:before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 20px;
    height: 20px;
    background: var(--platinum-accent);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    border: 3px solid var(--platinum-white);
    box-shadow: 0 0 0 3px var(--platinum-accent);
}

.timeline-date {
    background: linear-gradient(135deg, var(--platinum-accent), var(--platinum-gold));
    color: white;
    padding: 1rem;
    border-radius: 15px;
    text-align: center;
    font-size: 1.2rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(184, 134, 11, 0.3);
}

.timeline-content {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px var(--platinum-shadow);
    border: 1px solid var(--platinum-medium);
}

.timeline-content h3 {
    color: var(--platinum-text);
    margin-bottom: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.timeline-content h3 i {
    color: var(--platinum-accent);
}

.timeline-content p {
    color: var(--platinum-dark);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.timeline-status {
    display: inline-block;
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.timeline-status.completed {
    background: #d4edda;
    color: #155724;
}

.timeline-status.current {
    background: #fff3cd;
    color: #856404;
}

.timeline-status.upcoming {
    background: #d1ecf1;
    color: #0c5460;
}

/* FAQ 區塊 */
.faq-section {
    padding: 80px 0;
    background: var(--platinum-white);
}

.faq-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--platinum-text);
    font-weight: 700;
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    gap: 1rem;
}

.faq-item {
    background: white;
    border: 1px solid var(--platinum-medium);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px var(--platinum-shadow);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 10px 25px rgba(184, 134, 11, 0.2);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, var(--platinum-light), var(--platinum-white));
    transition: all 0.3s ease;
}

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

.faq-question h3 {
    color: var(--platinum-text);
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.faq-question h3 i {
    color: var(--platinum-accent);
}

.faq-question > i {
    color: var(--platinum-accent);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question > i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 1.5rem 1.5rem;
    color: var(--platinum-dark);
    line-height: 1.7;
    background: white;
}

/* 運費免費樣式 */
.shipping-fee {
    text-align: center;
    font-size: 1.3rem;
    color: #27ae60;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #d4edda, #c3e6cb);
    padding: 0.5rem;
    border-radius: 10px;
    border: 1px solid #27ae60;
    font-weight: 600;
}

.shipping-time {
    text-align: center;
    color: var(--platinum-accent);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

/* 媒體報導 */
.media-coverage {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--platinum-light) 0%, var(--platinum-medium) 100%);
}

.media-coverage h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--platinum-text);
    font-weight: 700;
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.media-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px var(--platinum-shadow);
    border: 1px solid var(--platinum-light);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.media-item:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--platinum-accent), var(--platinum-gold));
}

.media-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(184, 134, 11, 0.2);
}

.media-logo {
    background: linear-gradient(135deg, var(--platinum-accent), var(--platinum-gold));
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    box-shadow: 0 5px 15px rgba(184, 134, 11, 0.3);
}

.media-item h3 {
    color: var(--platinum-text);
    margin-bottom: 1rem;
    font-weight: 600;
}

.media-item p {
    color: var(--platinum-dark);
    font-style: italic;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.media-date {
    color: var(--platinum-accent);
    font-size: 0.9rem;
    font-weight: 500;
}

/* 特殊效果 */
.shimmer {
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* 滑入動畫 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

/* 滾動效果 */
html {
    scroll-behavior: smooth;
}

/* 選擇文字顏色 */
::selection {
    background: var(--platinum-accent);
    color: white;
}

::-moz-selection {
    background: var(--platinum-accent);
    color: white;
}

/* 浮動 LINE 客服按鈕 */
.floating-line-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 70px;
    height: 70px;
    background: #06c755;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 9999;
    box-shadow: 0 8px 25px rgba(6, 199, 85, 0.4);
    transition: all 0.3s ease;
    animation: bounce 2s infinite;
}

.floating-line-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 35px rgba(6, 199, 85, 0.6);
}

.floating-line-btn img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

/* 跳動動畫 */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* 響應式設計 - 手機版調整 */
@media (max-width: 768px) {
    .floating-line-btn {
        bottom: 20px;
        right: 20px;
        width: 60px;
        height: 60px;
    }
    
    .floating-line-btn img {
        width: 35px;
        height: 35px;
    }
}

/* ========= 可讀性覆蓋：把灰字再加深一點（不動標題純黑層級） ========= */
.hero-description,
.stat-label,
.data-desc,
.highlight-item p,
.testimonial-text,
.author-info p,
.book-description,
.book-features li,
.endorsement-text,
.step p,
.about-text p,
.about-text li,
.timeline-content p,
.faq-answer,
.media-item p,
.shipping-time,
.footer-section p,
.footer-section a,
.footer-bottom {
    color: #4A4A4A; /* 深灰，不與純黑標題打架 */
}




  @media (max-width: 768px) {
    .fixed-cta {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 9999;
      padding: 12px env(safe-area-inset-right) calc(12px + env(safe-area-inset-bottom)) env(safe-area-inset-left);
      background: rgba(255,255,255,0.85);
      backdrop-filter: saturate(150%) blur(8px);
      -webkit-backdrop-filter: saturate(150%) blur(8px);
    }
    body { padding-bottom: 84px; }
  }
  .cta-button--fixed {
    display: block;
    width: min(680px, 92%);
    margin: 0 auto;
    box-shadow: 0 8px 20px rgba(0,0,0,0.18);
    border-radius: 12px;
  }
  
  
  
  
/* ===== Footer 可讀性微降亮（柔和淺灰版） ===== */
.footer-section h4 {
  color: #ECECEC; /* 標題：比純白柔一級 */
}

.footer-section a,
.footer-section p,
.footer-section li {
  color: #CFCFCF; /* 條目文字：柔和淺灰 */
}

/* 若之前有 !important 覆蓋過鏈接顏色，這裡同步降低亮度 */
.footer a { color: #CFCFCF !important; }

.footer-section a:hover {
  color: #F5F5F5;      /* 懸停再亮一點，仍不刺眼 */
  text-decoration: none;
}

/* 版權行保持你現在的顏色（已合適） */
.footer-bottom {
  color: #DADADA;
  border-top: 1px solid rgba(255,255,255,0.28);
}