/* ===== 暖色調文青風格 ===== */

:root {
    /* 主要色彩 */
    --bg-primary: #F5F1E8;
    --bg-card: #EFEBE9;
    --bg-white: #FFFEF9;
    --text-primary: #3E2723;
    --text-secondary: #6D4C41;
    --text-light: #8D6E63;

    /* 強調色 */
    --accent-brown: #D4A574;
    --accent-coffee: #8B7355;
    --accent-green: #7D8471;
    --accent-warm: #C9A56D;

    /* 邊框與裝飾 */
    --border-color: #D7CCC8;
    --divider-light: #E8DED8;

    /* 陰影 */
    --shadow-soft: 0 2px 8px rgba(62, 39, 35, 0.08);
    --shadow-medium: 0 4px 16px rgba(62, 39, 35, 0.12);
    --shadow-card: 0 6px 20px rgba(62, 39, 35, 0.15);

    /* 間距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* 字體 */
    --font-serif: 'Noto Serif TC', 'Crimson Text', serif;
    --font-sans: 'Noto Sans TC', sans-serif;
    --font-handwritten: 'Caveat', cursive;
}

/* ===== 全域樣式 ===== */

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

body {
    font-family: var(--font-serif);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.9;
    font-size: 18px;
    font-weight: 400;
    overflow-x: hidden;
    position: relative;
}

/* 紙張質感背景 */
.page-texture {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(62, 39, 35, 0.02) 2px,
            rgba(62, 39, 35, 0.02) 4px
        );
    pointer-events: none;
    z-index: 0;
    opacity: 0.5;
}

/* ===== 容器 ===== */

.warm-container {
    max-width: 750px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-lg);
    position: relative;
    z-index: 1;
}

/* ===== 標題區域 ===== */

.warm-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background-color: var(--bg-white);
    border-radius: 20px;
    box-shadow: var(--shadow-card);
}

.handwritten-accent {
    font-family: var(--font-handwritten);
    font-size: 1.8rem;
    color: var(--accent-brown);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.warm-title {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.5;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.02em;
}

.title-underline {
    width: 80px;
    height: 3px;
    background: linear-gradient(to right, var(--accent-brown), var(--accent-warm));
    margin: var(--spacing-md) auto;
    border-radius: 2px;
}

.warm-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-md);
}

.meta-dot {
    color: var(--accent-brown);
    font-weight: 700;
}

/* ===== 引言卡片 ===== */

.intro-card {
    background-color: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: 20px;
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-soft);
    border-left: 5px solid var(--accent-brown);
}

.intro-paragraph {
    font-size: 1.15rem;
    line-height: 1.9;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.intro-highlight {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-coffee);
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--bg-card);
    border-radius: 12px;
    text-align: center;
}

/* ===== 裝飾分隔線 ===== */

.decorative-divider {
    text-align: center;
    margin: var(--spacing-2xl) 0;
    position: relative;
}

.decorative-divider::before,
.decorative-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--divider-light), transparent);
}

.decorative-divider::before {
    left: 0;
}

.decorative-divider::after {
    right: 0;
}

.divider-icon {
    font-size: 1.2rem;
    color: var(--accent-brown);
    background-color: var(--bg-primary);
    padding: 0 var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.decorative-divider.major .divider-icon {
    font-size: 1.8rem;
    color: var(--accent-warm);
}

/* ===== 故事章節 ===== */

.story-section {
    margin-bottom: var(--spacing-2xl);
}

.section-label {
    font-family: var(--font-handwritten);
    font-size: 1.5rem;
    color: var(--accent-brown);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.5;
}

.story-section p {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

/* ===== 引用框 ===== */

.warm-quote {
    background-color: var(--bg-white);
    border-left: 5px solid var(--accent-green);
    padding: var(--spacing-lg) var(--spacing-xl);
    margin: var(--spacing-xl) 0;
    border-radius: 0 16px 16px 0;
    box-shadow: var(--shadow-soft);
    position: relative;
}

.warm-quote.centered {
    text-align: center;
    border-left: none;
    border-top: 3px solid var(--accent-coffee);
    border-bottom: 3px solid var(--accent-coffee);
    border-radius: 16px;
    font-weight: 600;
    color: var(--accent-coffee);
}

.quote-mark {
    font-family: var(--font-serif);
    font-size: 4rem;
    color: var(--accent-green);
    position: absolute;
    top: -10px;
    left: 10px;
    opacity: 0.2;
    line-height: 1;
}

.warm-quote p {
    position: relative;
    z-index: 1;
    margin-bottom: 0;
    font-style: italic;
    color: var(--text-secondary);
}

/* ===== 圖片框 ===== */

.warm-image-box {
    margin: var(--spacing-xl) 0;
}

.image-frame {
    background-color: var(--bg-white);
    border: 8px solid var(--bg-card);
    border-radius: 12px;
    padding: var(--spacing-2xl) var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-medium);
    margin-bottom: var(--spacing-sm);
}

.image-text {
    color: var(--text-light);
    font-style: italic;
    font-size: 0.95rem;
}

.image-note {
    font-family: var(--font-handwritten);
    font-size: 1.3rem;
    color: var(--accent-brown);
    text-align: center;
    margin-top: var(--spacing-sm);
}

/* ===== Image Frame 按鈕效果 (只針對特定 ID) ===== */

#imageFrameBtn2 {
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

#imageFrameBtn2:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(62, 39, 35, 0.2);
    border-color: var(--accent-brown);
}

#imageFrameBtn2:active {
    transform: translateY(-2px);
    transition: all 0.1s ease;
}

/* 添加點擊提示 */
#imageFrameBtn2::after {
    content: '點擊查看圖片 →';
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.8rem;
    color: var(--accent-coffee);
    opacity: 0;
    transition: opacity 0.3s ease;
    font-family: var(--font-sans);
    font-weight: 600;
}

#imageFrameBtn2:hover::after {
    opacity: 0.8;
}

/* Image Frame 按鈕效果 3 (第二個圖片框) */

#imageFrameBtn3 {
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

#imageFrameBtn3:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(62, 39, 35, 0.2);
    border-color: var(--accent-brown);
}

#imageFrameBtn3:active {
    transform: translateY(-2px);
    transition: all 0.1s ease;
}

/* 添加點擊提示 */
#imageFrameBtn3::after {
    content: '點擊查看圖片 →';
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.8rem;
    color: var(--accent-coffee);
    opacity: 0;
    transition: opacity 0.3s ease;
    font-family: var(--font-sans);
    font-weight: 600;
}

#imageFrameBtn3:hover::after {
    opacity: 0.8;
}

/* ===== 時間對比 ===== */

.time-comparison {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg);
    background-color: var(--bg-white);
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
}

.time-box {
    text-align: center;
    padding: var(--spacing-md);
    border-radius: 12px;
    min-width: 100px;
}

.time-box.before {
    background-color: #F4E4DD;
    border: 2px solid var(--accent-coffee);
}

.time-box.after {
    background-color: #E8F5E9;
    border: 2px solid var(--accent-green);
}

/* 翻卡效果 */
.flip-card {
    perspective: 1000px;
    cursor: pointer;
    position: relative;
    animation: breathingEffect 2.5s ease-in-out infinite;
}

/* 呼吸動畫效果 */
@keyframes breathingEffect {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 4px 12px rgba(125, 132, 113, 0.3);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 8px 20px rgba(125, 132, 113, 0.5);
    }
}

.flip-card-inner {
    position: relative;
    width: 100%;
    min-height: 82px;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.flip-card.flipped .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.flip-card-front {
    z-index: 2;
}

.flip-card-back {
    transform: rotateY(180deg);
}

.time-number {
    font-family: var(--font-sans);
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
    color: var(--text-primary);
}

.time-unit {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.vs-text {
    font-family: var(--font-handwritten);
    font-size: 1.5rem;
    color: var(--accent-brown);
}

.insight-text {
    text-align: center;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-coffee);
    margin: var(--spacing-lg) 0;
}

/* ===== 思考泡泡與文字樣式 ===== */

.thought-bubble {
    background-color: var(--bg-card);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 20px;
    display: inline-block;
    font-style: italic;
    color: var(--text-secondary);
    margin: var(--spacing-md) 0;
    position: relative;
}

.thought-bubble::after {
    content: '❓';
    position: absolute;
    right: -30px;
    top: -5px;
    font-size: 1.5rem;
    animation: questionShake 4s ease-in-out infinite;
}

@keyframes questionShake {
    0%, 100% {
        transform: rotate(0deg) scale(1);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: rotate(-15deg) scale(1.1);
    }
    20%, 40%, 60%, 80% {
        transform: rotate(15deg) scale(1.1);
    }
}

.pulse-text {
    display: inline-block;
    animation: gentlePulse 2s ease-in-out infinite;
}

@keyframes gentlePulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.8;
    }
}

.whisper-text {
    font-size: 0.95rem;
    color: var(--text-light);
    font-style: italic;
    text-align: center;
}

.revelation-text {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-coffee);
    text-align: center;
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    background-color: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
}

/* ===== 反思框 ===== */

.reflection-box {
    background-color: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 16px;
    margin: var(--spacing-xl) 0;
    border: 2px dashed var(--border-color);
}

.reflection-box p {
    margin-bottom: var(--spacing-sm);
}

.reflection-box .emphasis {
    font-weight: 700;
    color: var(--accent-coffee);
}

/* ===== 新聞卡片 ===== */

.news-card {
    background-color: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    box-shadow: var(--shadow-soft);
}

.news-header {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-coffee);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.news-content {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0;
}

/* ===== 問題框 ===== */

.question-box {
    background-color: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: 16px;
    margin: var(--spacing-lg) 0;
    border-left: 4px solid var(--accent-brown);
}

.question {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    font-style: italic;
}

.question::before {
    content: '?';
    position: absolute;
    left: 0;
    color: var(--accent-brown);
    font-weight: 700;
    font-style: normal;
}

/* ===== 覺悟卡片 ===== */

.realization-card {
    background: linear-gradient(135deg, var(--accent-warm) 0%, #c8a171bf 100%);
    color: white;
    padding: var(--spacing-xl);
    border-radius: 20px;
    margin: var(--spacing-xl) 0;
    box-shadow: var(--shadow-card);
    text-align: center;
}

.realization-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.realization-card p {
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.7;
    margin-bottom: 0;
}

/* ===== 優勢卡片 ===== */

.strengths-container {
    display: grid;
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.strength-card {
    background-color: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
}

.strength-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
    border-color: var(--accent-brown);
}

.strength-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.strength-number {
    font-family: var(--font-handwritten);
    font-size: 2rem;
    color: var(--accent-brown);
    font-weight: 700;
}

.strength-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.strength-subtitle {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.strength-divider {
    width: 50px;
    height: 2px;
    background-color: var(--accent-brown);
    margin: var(--spacing-md) 0;
    border-radius: 1px;
}

.strength-card p {
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
}

.strength-insight {
    font-weight: 600;
    color: var(--accent-coffee);
    font-style: italic;
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px dashed var(--border-color);
}

/* ===== 結論區域 ===== */

.conclusion-section {
    background-color: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
}

.key-message {
    background-color: var(--accent-brown);
    color: white;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: 16px;
    margin: var(--spacing-xl) 0;
    text-align: center;
    box-shadow: var(--shadow-soft);
}

.key-message p {
    font-size: 1.3rem;
    font-weight: 700;
    line-height: 1.6;
    margin-bottom: 0;
}

/* ===== 公式卡片 ===== */

.formula-card {
    background-color: var(--bg-card);
    border: 2px solid var(--accent-coffee);
    border-radius: 16px;
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.formula-card-content {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.formula-card.revealed .formula-card-content {
    opacity: 1;
    transform: scale(1);
}

.formula-card::before {
    content: '點擊查看公式 ✨';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-coffee);
    opacity: 1;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.formula-card.revealed::before {
    opacity: 0;
}

.formula-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.formula-item {
    background-color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    font-weight: 600;
    color: var(--text-primary);
    box-shadow: var(--shadow-soft);
}

.formula-plus,
.formula-arrow {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-coffee);
}

.formula-result {
    background-color: var(--accent-coffee);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: var(--shadow-soft);
}

/* ===== 反思問題區 ===== */

.reflection-questions {
    margin: var(--spacing-2xl) 0;
}

.questions-title {
    font-size: 1.8rem;
    font-weight: 700;
    text-align: center;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
}

.question-card {
    background-color: var(--bg-white);
    border-radius: 20px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-left: 5px solid var(--accent-brown);
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
}

.question-card:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-medium);
}

.question-tag {
    font-family: var(--font-handwritten);
    font-size: 1.3rem;
    color: var(--accent-brown);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.question-heading {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.question-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 0;
}

/* ===== 結尾區域 ===== */

.closing-section {
    margin: var(--spacing-2xl) 0;
}

.closing-title {
    font-size: 1.6rem;
    font-weight: 700;
    text-align: center;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.closing-card {
    background-color: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
}

.community-box {
    background: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-coffee) 100%);
    color: white;
    padding: var(--spacing-xl);
    border-radius: 16px;
    margin-top: var(--spacing-lg);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    user-select: none;
}

.community-box:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 12px 32px rgba(62, 39, 35, 0.25);
}

.community-box:active {
    transform: translateY(-2px) scale(1.01);
    transition: all 0.1s ease;
}

/* 添加點擊提示 */
.thought-bubble::after {
    content: '💭';
    position: absolute;
    right: -30px;
    top: -5px;
    font-size: 1.5rem;
}

.community-box::after {
    content: '點擊查看詳情 →';
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
    opacity: 0;
    transition: opacity 0.3s ease;
    font-family: var(--font-sans);
    font-weight: 600;
}

.community-box:hover::after {
    opacity: 1;
}

.community-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    display: inline-block;
    animation: gentlePulse 2s ease-in-out infinite;
}

.community-title {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.community-desc {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.community-invite {
    font-size: 1.2rem;
    font-weight: 600;
    margin-top: var(--spacing-md);
}

/* ===== 頁尾 ===== */

.warm-footer {
    text-align: center;
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-2xl);
    border-top: 2px dashed var(--border-color);
}

.footer-deco {
    font-family: var(--font-handwritten);
    font-size: 2rem;
    color: var(--accent-brown);
    margin-bottom: var(--spacing-sm);
}

.footer-text {
    font-family: var(--font-handwritten);
    font-size: 1.3rem;
    color: var(--accent-coffee);
    margin-bottom: var(--spacing-sm);
}

.footer-copy {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--text-light);
}

/* ===== 文字樣式 ===== */

strong {
    font-weight: 700;
    color: var(--accent-coffee);
}

/* ===== 響應式設計 (RWD) ===== */

/* 平板 (768px 以下) */
@media (max-width: 768px) {
    body {
        font-size: 16px;
    }

    .warm-container {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .warm-title {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .time-comparison {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .formula-card-content {
        flex-direction: column;
        align-items: stretch;
    }

    .formula-item,
    .formula-result {
        text-align: center;
    }
}

/* 手機 (480px 以下) */
@media (max-width: 480px) {
    body {
        font-size: 15px;
        line-height: 1.8;
    }

    .warm-container {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .warm-header {
        padding: var(--spacing-lg);
        border-radius: 16px;
    }

    .handwritten-accent {
        font-size: 1.4rem;
    }

    .warm-title {
        font-size: 1.5rem;
        line-height: 1.4;
    }

    .intro-card {
        padding: var(--spacing-md);
        border-radius: 16px;
    }

    .intro-paragraph {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.3rem;
    }

    .warm-quote {
        padding: var(--spacing-md);
    }

    .strength-card,
    .question-card {
        padding: var(--spacing-md);
        border-radius: 16px;
    }

    .strength-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    .time-number {
        font-size: 2.5rem;
    }

    .key-message p {
        font-size: 1.1rem;
    }

    .community-box {
        padding: var(--spacing-md);
    }

    .community-title {
        font-size: 1.3rem;
    }

    .thought-bubble::after {
        right: -25px;
        font-size: 1.2rem;
    }
}

/* 極小手機 (360px 以下) */
@media (max-width: 360px) {
    body {
        font-size: 14px;
    }

    .warm-title {
        font-size: 1.3rem;
    }

    .section-title {
        font-size: 1.2rem;
    }

    .warm-container {
        padding: var(--spacing-sm) 1rem;
    }

    .strength-number {
        font-size: 1.5rem;
    }
}

/* ===== 手機版特定文字分段優化 ===== */

/* 手機版 (480px 以下) - 針對特定文字進行分段 */
@media (max-width: 480px) {
    /* 1. "當 AI 能力提升到某個程度後，" -> "當 AI 能力\n提升到某個程度後，" */
    .mobile-break-1 {
        word-spacing: 9999px;
    }

    .mobile-break-1::before {
        content: '當 AI 能力';
        word-spacing: normal;
        display: block;
    }

    .mobile-break-1::after {
        content: '提升到某個程度後，';
        word-spacing: normal;
        display: block;
    }

    /* 2. "還得跟「被 AI 取代的工程師」比。" -> "還得跟「被 AI \n取代的工程師」比。" */
    .mobile-break-2 {
        word-spacing: 9999px;
    }

    .mobile-break-2::before {
        content: '還得跟「被 AI';
        word-spacing: normal;
        display: block;
    }

    .mobile-break-2::after {
        content: '取代的工程師」比。';
        word-spacing: normal;
        display: block;
    }

    /* 3. "AI coding 只是個放大器，不是核心競爭力。" -> "AI coding 只是個放大器，\n不是核心競爭力。" */
    .mobile-break-3 {
        word-spacing: 9999px;
    }

    .mobile-break-3::before {
        content: 'AI coding 只是個放大器，';
        word-spacing: normal;
        display: block;
    }

    .mobile-break-3::after {
        content: '不是核心競爭力。';
        word-spacing: normal;
        display: block;
    }

    /* 4. 公式卡片在手機版改為垂直排列 */
    .mobile-break-4 .formula-card-content {
        flex-direction: column;
        align-items: center;
    }

    /* 手機版的提示文字 */
    .mobile-break-4.formula-card::before {
        font-size: 1rem;
    }

    /* 5. "給不同階段的你，三個反思問題" -> "給不同階段的你，\n三個反思問題" */
    .mobile-break-5 {
        word-spacing: 9999px;
    }

    .mobile-break-5::before {
        content: '給不同階段的你，';
        word-spacing: normal;
        display: block;
    }

    .mobile-break-5::after {
        content: '三個反思問題';
        word-spacing: normal;
        display: block;
    }

    /* 6. "最後，如果你也在學習 Vibe Coding 的路上" -> "最後，如果你也在學習 \nVibe Coding 的路上" */
    .mobile-break-6 {
        word-spacing: 9999px;
    }

    .mobile-break-6::before {
        content: '最後，如果你也在學習';
        word-spacing: normal;
        display: block;
    }

    .mobile-break-6::after {
        content: 'Vibe Coding 的路上';
        word-spacing: normal;
        display: block;
    }

    /* 隱藏原始文字，只顯示偽元素內容 */
    .mobile-break-1,
    .mobile-break-2,
    .mobile-break-3,
    .mobile-break-5,
    .mobile-break-6 {
        font-size: 0;
        line-height: 0;
    }

    .mobile-break-1::before,
    .mobile-break-1::after,
    .mobile-break-2::before,
    .mobile-break-2::after,
    .mobile-break-3::before,
    .mobile-break-3::after,
    .mobile-break-5::before,
    .mobile-break-5::after,
    .mobile-break-6::before,
    .mobile-break-6::after {
        font-size: 1.2rem;
        line-height: 1.7;
        font-weight: 600;
    }

    /* 為 key-message 內的文字調整字體大小 */
    .key-message .mobile-break-3::before,
    .key-message .mobile-break-3::after {
        font-size: 1.1rem;
    }

    /* 為 questions-title 調整字體大小 */
    .mobile-break-5::before,
    .mobile-break-5::after {
        font-size: 1.4rem;
        font-weight: 700;
    }

    /* 為 closing-title 調整字體大小 */
    .mobile-break-6::before,
    .mobile-break-6::after {
        font-size: 1.3rem;
        font-weight: 700;
    }
}

/* ===== 平滑滾動 ===== */

html {
    scroll-behavior: smooth;
}

/* ===== 選取文字 ===== */

::selection {
    background-color: rgba(212, 165, 116, 0.3);
    color: var(--text-primary);
}

/* ===== 載入動畫 ===== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.warm-header,
.intro-card,
.story-section,
.strength-card {
    animation: fadeInUp 0.6s ease-out forwards;
}

.story-section:nth-child(2) { animation-delay: 0.1s; }
.story-section:nth-child(3) { animation-delay: 0.2s; }

/* ===== Modal 彈窗樣式 ===== */

.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(62, 39, 35, 0);
    backdrop-filter: blur(0px);
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
}

.modal.show {
    background-color: rgba(62, 39, 35, 0.85);
    backdrop-filter: blur(8px);
}

.modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90vh;
    background-color: var(--bg-white);
    border-radius: 20px;
    padding: var(--spacing-xl);
    box-shadow: 0 20px 60px rgba(62, 39, 35, 0.3);
    transform: scale(0.7);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal.show .modal-content {
    transform: scale(1);
    opacity: 1;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 10;
    line-height: 1;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: transparent;
}

.modal-close:hover {
    color: var(--accent-coffee);
    background-color: var(--bg-card);
    transform: rotate(90deg);
}

.modal-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
    max-height: 80vh;
    object-fit: contain;
}

/* ===== 刮刮樂效果 ===== */

.scratch-container {
    position: relative;
    overflow: hidden;
}

.scratch-text {
    position: relative;
    z-index: 1;
}

.scratch-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: grab;
    z-index: 2;
}

.scratch-canvas:active {
    cursor: grabbing;
}

/* 標題專用刮刮樂效果 */
.scratch-container-title {
    position: relative;
    display: inline-block;
    overflow: visible;
    width: 100%;
}

.scratch-text-title {
    position: relative;
    z-index: 1;
    display: inline;
}

.scratch-canvas-title {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: grab;
    z-index: 2;
    pointer-events: auto;
}

.scratch-canvas-title:active {
    cursor: grabbing;
}

/* ===== 響應式調整 ===== */

@media (max-width: 768px) {
    .modal-content {
        max-width: 95%;
        padding: var(--spacing-lg);
    }

    .modal-close {
        font-size: 2rem;
        width: 35px;
        height: 35px;
        top: 10px;
        right: 10px;
    }

    .community-box::after {
        font-size: 0.75rem;
        bottom: -25px;
    }
}

@media (max-width: 480px) {
    .modal-content {
        padding: var(--spacing-md);
    }

    .modal-image {
        border-radius: 8px;
    }
}