/* 基礎重置與字體設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Book and Yoga 風格配色系統 - 藍灰色調 */
    --color-primary: #4a5568;        /* 深灰藍主色 */
    --color-secondary: #f7f8fa;      /* 淺灰藍背景 */
    --color-accent: #2d3748;         /* 深灰藍強調 */
    
    /* 衍生色（基於 3 主色） */
    --color-text: #2d3748;          /* 深灰藍文字 */
    --color-text-light: #718096;     /* 中灰藍文字 */
    --color-bg: #ffffff;             /* 純白背景 */
    --color-bg-light: #f7f8fa;       /* 淺灰藍背景 */
    --color-border: #e2e8f0;         /* 淡灰藍邊框 */
    
    /* 陰影系統 - 極簡化 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.08);
    
    /* 間距系統 - 法式風格增加留白 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* 字體系統 */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    --line-height-tight: 1.4;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
    letter-spacing: -0.01em;
}

/* ========== 頂部導航欄 ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

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

.nav-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-links a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

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

.nav-cta {
    background-color: var(--color-accent);
    color: white !important;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.nav-cta:hover {
    background-color: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* 區塊標題 - Hahow 風格 */
.section-title {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-accent);
    text-align: left;
    margin-bottom: var(--spacing-lg);
    line-height: 1.4;
    letter-spacing: -0.01em;
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-border);
}

/* ========== Hero Section - Hahow 風格 ========== */
.hero {
    padding: calc(var(--spacing-xl) + 60px) 0 var(--spacing-xl) 0;
    background-color: #fafafa;
    position: relative;
    margin-bottom: 0;
}

.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 2rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.hero-left {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.hero-video {
    width: 100%;
}

/* 關於課程區塊 - 移出 Hero */
.course-about-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg);
    width: 100%;
}

.course-about {
    width: 100%;
    border-radius: 0;
    border: 1px solid var(--color-border);
    padding: var(--spacing-lg);
    background-color: white;
    box-sizing: border-box;
}

.about-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 1rem;
    letter-spacing: 0;
}

.instructor-video-section {
    width: 100%;
    margin-top: 1.5rem;
}

/* 痛點區塊 - 移出 Hero */
.pain-points-section {
    padding: var(--spacing-xl) 0 calc(var(--spacing-xl) + var(--spacing-md)) 0;
    background-color: var(--color-bg-light);
    width: 100%;
}

.pain-points-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 2rem;
    line-height: 1.4;
    letter-spacing: -0.02em;
    text-align: center;
}

.pain-cards-left {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    box-sizing: border-box;
}

.pain-cards-left .pain-card {
    margin: 0;
    width: 100%;
    aspect-ratio: auto;
    min-height: 200px;
    border-radius: 0;
    border: 0.5px solid rgba(0, 0, 0, 0.15);
    padding: 2.25rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 0;
    background-color: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
    box-sizing: border-box;
}

.pain-cards-left .pain-card:hover {
    border-color: rgba(0, 0, 0, 0.25);
    background-color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
    transform: translateY(-2px);
}

.pain-cards-left .pain-card:hover h4 {
    color: var(--color-primary);
}

.pain-cards-left .pain-card h4 {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 1rem;
    line-height: 1.4;
    letter-spacing: -0.01em;
    transition: color 0.3s ease;
    text-align: center;
}

.pain-cards-left .pain-card p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.75;
    margin: 0;
    letter-spacing: 0;
}

/* 課程要點區塊 */
.course-highlights-section {
    padding: var(--spacing-xl) 0;
    width: 100%;
    background-color: white;
}

.course-highlights-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 2rem;
    line-height: 1.4;
    letter-spacing: -0.02em;
    text-align: center;
}

.course-highlights-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-width: 700px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    box-sizing: border-box;
}

.highlight-item {
    font-size: 0.9375rem;
    color: var(--color-text);
    line-height: 1.7;
    padding: 1rem 0;
    border-bottom: 0.5px solid rgba(0, 0, 0, 0.08);
    letter-spacing: 0;
    transition: color 0.2s ease;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.highlight-item:last-child {
    border-bottom: none;
}

.highlight-item:hover {
    color: var(--color-accent);
}

.highlight-icon {
    font-size: 1rem;
    color: var(--color-accent);
    font-weight: 300;
    line-height: 1.7;
    flex-shrink: 0;
}

.instructor-video-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 1rem;
    line-height: 1.4;
    letter-spacing: -0.01em;
}

.instructor-video-wrapper {
    width: 100%;
}

.instructor-video-player {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 比例 */
    background-color: var(--color-bg-light);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.instructor-video-thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.instructor-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.3);
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.instructor-video-overlay:hover {
    background-color: rgba(0, 0, 0, 0.5);
}

.instructor-play-button {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.9);
    border: none;
    font-size: 2rem;
    color: var(--color-accent);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
    padding-left: 4px;
}

.instructor-play-button:hover {
    transform: scale(1.1);
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 比例 */
    background-color: var(--color-bg-light);
    border-radius: 0;
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.video-thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.3);
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.video-overlay:hover {
    background-color: rgba(0, 0, 0, 0.5);
}

.play-button {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.9);
    border: none;
    font-size: 2rem;
    color: var(--color-accent);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.play-button:hover {
    transform: scale(1.1);
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.course-provider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.provider-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: var(--color-accent);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.provider-name {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    font-weight: 400;
}

.hero-badge {
    display: inline-block;
    padding: 0;
    background-color: transparent;
    color: var(--color-text-light);
    border: none;
    border-radius: 0;
    font-size: 0.8125rem;
    font-weight: 400;
    margin-bottom: 0.625rem;
    letter-spacing: 0;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 0.375rem;
}

.hero-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-accent);
    line-height: 1.6;
    margin: 0 0 1.25rem 0;
    letter-spacing: -0.01em;
}

.course-description {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin: 0 0 1.5rem 0;
    text-align: left;
    max-width: 100%;
}

.course-about {
    margin: 0;
    padding: 1.5rem;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: 8px;
}

.about-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.about-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.5rem 0;
}

.about-icon {
    font-size: 0.75rem;
    color: var(--color-accent);
    line-height: 1;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.about-label {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    font-weight: 400;
    line-height: 1.4;
}

.about-value {
    font-size: 0.875rem;
    color: var(--color-text);
    font-weight: 500;
    line-height: 1.5;
}

.course-badges {
    display: flex;
    gap: 0.5rem;
    margin: 0 0 1rem 0;
    flex-wrap: wrap;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.375rem 0.75rem;
    border-radius: 4px;
    font-size: 0.8125rem;
    font-weight: 400;
    line-height: 1.4;
}

.badge-classic {
    background-color: #e6f7e6;
    color: #2d5016;
}

.badge-rated {
    background-color: #fff4e6;
    color: #8b5a00;
}

.funding-compact {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.8125rem;
    flex-wrap: wrap;
}

.funding-label-compact {
    color: var(--color-text);
    font-weight: 400;
}

.countdown-compact {
    color: var(--color-text);
    font-weight: 400;
}

.countdown-number-compact {
    color: #e53e3e;
    font-weight: 600;
    font-size: 0.875rem;
}

.separator-compact {
    color: var(--color-border);
    padding: 0 0.5rem;
}

.progress-compact {
    color: var(--color-text);
    font-weight: 400;
}

.progress-number-compact {
    font-weight: 600;
    color: var(--color-accent);
}

.progress-bar-compact {
    width: 100%;
    height: 4px;
    background-color: var(--color-bg-light);
    border-radius: 0;
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.progress-bar-fill-compact {
    height: 100%;
    background-color: #38b2ac;
    border-radius: 3px;
    transition: width 0.3s ease;
}

.course-start-date-compact {
    font-size: 0.75rem;
    color: var(--color-text-light);
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.course-actions {
    display: flex;
    gap: 0.5rem;
    margin: 0 0 1.25rem 0;
}

.action-btn {
    padding: 0.625rem 1.25rem;
    border: 1px solid var(--color-border);
    background-color: white;
    color: var(--color-text);
    border-radius: 4px;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 400;
    line-height: 1.5;
}

.action-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background-color: var(--color-bg-light);
}

/* 右側價格區塊樣式 */
.pricing-sticky-wrapper .course-badges {
    margin-bottom: var(--spacing-sm);
}

.pricing-sticky-wrapper .course-actions {
    margin-bottom: var(--spacing-sm);
    width: 100%;
    justify-content: center;
}

.pricing-section {
    padding: 1.75rem;
    background-color: white;
    border: 1px solid var(--color-border);
    border-radius: 0;
    margin-top: 0;
    width: 100%;
    position: relative;
}

.pricing-section > * {
    margin-bottom: 1.25rem;
}

.pricing-section > *:last-child {
    margin-bottom: 0;
}

.pricing-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

.funding-info {
    margin: 0 0 1.5rem 0;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.funding-rate {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.rate-display {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.rate-number {
    font-size: 2rem;
    font-weight: 400;
    color: var(--color-accent);
    letter-spacing: -0.02em;
}

.rate-text {
    font-size: 1rem;
    color: var(--color-text-light);
    font-weight: 500;
}

.progress-bar-wrapper {
    width: 100%;
    max-width: 400px;
    height: 8px;
    background-color: var(--color-bg-medium);
    border-radius: 10px;
    overflow: hidden;
    margin: var(--spacing-xs) 0;
}

.progress-bar {
    height: 100%;
    position: relative;
}

.progress-fill {
    height: 100%;
    width: 100%;
    background-color: var(--color-accent);
    border-radius: 10px;
}

@keyframes progressPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.participants {
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-weight: 500;
}

.countdown-section {
    margin: 0 0 1.5rem 0;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.early-bird-badge {
    display: inline-block;
    background-color: var(--color-accent);
    color: white;
    padding: 0.375rem 0.75rem;
    border-radius: 4px;
    font-weight: 500;
    font-size: 0.8125rem;
    margin-bottom: 0.75rem;
    letter-spacing: 0.02em;
}

.countdown {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.countdown > span {
    font-size: 0.875rem;
    color: var(--color-text-light);
    font-weight: 400;
}

.countdown-timer {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.time-unit {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--color-accent);
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
    min-width: 50px;
}

.time-unit span {
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.2;
}

.time-unit small {
    font-size: 0.6875rem;
    opacity: 0.9;
    line-height: 1.2;
}

.time-separator {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-accent);
    padding: 0 0.25rem;
}

.pricing {
    margin: 0 0 1rem 0;
    text-align: left;
    padding: 0;
    border: none;
}

.price-label {
    font-size: 0.75rem;
    color: var(--color-text-light);
    margin-bottom: 0.25rem;
    font-weight: 400;
}

.price-current {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 0.25rem;
    line-height: 1.3;
}

.price-number {
    font-size: 1.5rem;
    color: var(--color-accent);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.price-original {
    font-size: 0.875rem;
    color: var(--color-text-light);
    text-decoration: line-through;
    font-weight: 400;
    line-height: 1.5;
    display: inline-block;
    margin-left: 0.5rem;
}

.limited-offer {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.limited-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background-color: #f59e0b;
    color: white;
    border-radius: 0;
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.limited-offer .countdown-compact {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.8125rem;
    color: var(--color-text);
    flex-wrap: wrap;
}

.limited-offer .countdown-compact > span:first-child {
    color: var(--color-text-light);
}

.cta-button {
    display: block;
    width: 100%;
    background-color: var(--color-accent);
    color: white;
    padding: 0.75rem 1.25rem;
    border-radius: 0;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: background-color 0.2s ease;
    border: none;
    cursor: pointer;
    text-align: center;
    margin: 0;
    line-height: 1.5;
    box-shadow: none;
}

.cta-button:hover {
    background-color: var(--color-primary);
}

.hero-image {
    position: relative;
}

.hero-image {
    display: none;
}

.main-content-wrapper {
    width: 100%;
    margin: 0;
    padding: 0;
}

.content-layout {
    display: grid;
    grid-template-columns: 1.8fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
    padding: 0 var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.main-content-area {
    width: 100%;
}

.main-content {
    max-width: 800px;
    margin-right: auto;
}

/* 右側價格區塊 - Sticky */
.pricing-sidebar {
    position: relative;
    align-self: start;
}

.pricing-sticky-wrapper {
    position: -webkit-sticky;
    position: sticky;
    top: 80px;
    width: 100%;
    margin-top: var(--spacing-md);
    z-index: 999;
}


.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--spacing-xl);
    align-items: start;
}

/* ========== Pain Points Section ========== */
.pain-points {
    padding: var(--spacing-xl) 0;
}

.pain-points .container {
    display: block;
}

.pain-points .main-content {
    margin: 0 auto;
}

.pain-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.pain-card {
    background-color: var(--color-bg-light);
    border-left: 4px solid var(--color-accent);
    border-top: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    border-radius: 0 8px 8px 0;
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
}

.pain-card:hover {
    border-left-color: var(--color-primary);
    background-color: white;
    transform: translateY(-6px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.pain-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.pain-card:hover h3 {
    color: var(--color-primary);
}

.pain-card p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin: 0;
    flex: 1;
}

/* ========== 適合對象說明 ========== */
.target-audience {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-light);
}

.target-audience .container {
    display: block;
}

.target-audience .main-content {
    margin: 0 auto;
}

.audience-accordion {
    max-width: 850px;
    margin: 0 auto;
}

.audience-accordion-item {
    background-color: white;
    border-radius: 0;
    border: 0.5px solid rgba(0, 0, 0, 0.12);
    margin-bottom: 0.625rem;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03), 0 1px 1px rgba(0, 0, 0, 0.02);
    overflow: hidden;
}

.audience-accordion-item:hover {
    border-color: rgba(0, 0, 0, 0.2);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
}

.audience-accordion-item.active {
    border-color: rgba(0, 0, 0, 0.22);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
}

.audience-accordion-header {
    width: 100%;
    padding: 1.625rem 2rem;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.25s ease;
    position: relative;
}

.audience-accordion-header::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background-color: var(--color-accent);
    opacity: 0;
    transition: opacity 0.25s ease;
}

.audience-accordion-item.active .audience-accordion-header::before,
.audience-accordion-item:hover .audience-accordion-header::before {
    opacity: 1;
}

.audience-accordion-header:hover {
    background-color: rgba(0, 0, 0, 0.015);
}

.audience-accordion-header:focus {
    outline: none;
}

.audience-accordion-header:active {
    background-color: rgba(0, 0, 0, 0.02);
}

.audience-badge {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: -0.01em;
    transition: color 0.25s ease;
}

.audience-accordion-item.active .audience-badge {
    color: var(--color-accent);
}

.audience-badge.special-badge {
    color: var(--color-accent);
}

.audience-badge.not-suitable-badge {
    color: var(--color-text-light);
}

.audience-accordion-icon {
    font-size: 1.125rem;
    color: var(--color-accent);
    font-weight: 300;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), color 0.25s ease;
    flex-shrink: 0;
    margin-left: 1.5rem;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.02);
}

.audience-accordion-item.active .audience-accordion-icon {
    transform: rotate(45deg);
    background-color: rgba(0, 0, 0, 0.04);
}

.audience-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0 2rem;
    opacity: 0;
}

.audience-accordion-item.active .audience-accordion-content {
    max-height: 1000px;
    padding: 0 2rem 1.75rem 2rem;
    opacity: 1;
}

.audience-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.audience-list li {
    padding: 0.875rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text);
    line-height: 1.75;
    font-size: 0.9375rem;
    letter-spacing: 0;
    border-bottom: 0.5px solid rgba(0, 0, 0, 0.06);
    transition: color 0.2s ease, padding-left 0.2s ease;
}

.audience-list li:last-child {
    border-bottom: none;
}

.audience-accordion-item:hover .audience-list li {
    padding-left: 1.625rem;
}

.audience-accordion-item:first-child .audience-list li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 400;
    transition: color 0.2s ease;
}

.audience-accordion-item:nth-child(2) .audience-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 400;
    transition: color 0.2s ease;
}

.audience-accordion-item:nth-child(3) .audience-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-text-lighter);
    font-weight: 400;
    transition: color 0.2s ease;
}

/* ========== Strategic Flow Section ========== */
.strategic-flow {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-light);
}

.strategic-flow .container {
    display: block;
}

.strategic-flow .main-content {
    margin: 0 auto;
}

.strategic-flow .section-title {
    text-align: center;
}

.flow-circles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    box-sizing: border-box;
}

.flow-circle-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.flow-circle {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 2px solid var(--color-accent);
    background-color: transparent;
    margin-bottom: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    box-sizing: border-box;
    position: relative;
}

.flow-circle-item:hover .flow-circle {
    transform: translateY(-4px);
    border-color: var(--color-accent);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
}

.flow-circle h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.flow-circle p {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 768px) {
    .flow-circles {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .flow-circle {
        width: 100px;
        height: 100px;
    }
}

/* ========== Comparison Table Section ========== */
.comparison {
    padding: var(--spacing-xl) 0;
}

.comparison .container {
    display: block;
}

.comparison .main-content {
    margin: 0 auto;
}

.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
    border: 0.5px solid rgba(0, 0, 0, 0.15);
    border-radius: 0;
}

.comparison-table thead {
    background-color: var(--color-accent);
}

.comparison-table thead th {
    padding: 1.25rem 1.5rem;
    text-align: center;
    font-weight: 600;
    color: white;
    border-bottom: 0.5px solid rgba(0, 0, 0, 0.15);
    border-right: 0.5px solid rgba(0, 0, 0, 0.15);
    font-size: 0.9375rem;
    letter-spacing: -0.01em;
    background-color: var(--color-accent);
}

.comparison-table thead th:last-child {
    border-right: none;
}

.comparison-table thead th small {
    display: block;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.8125rem;
    margin-top: 0.375rem;
    letter-spacing: 0;
}

.comparison-table tbody td {
    padding: 1.25rem 1.5rem;
    border-bottom: 0.5px solid rgba(0, 0, 0, 0.1);
    border-right: 0.5px solid rgba(0, 0, 0, 0.1);
    font-size: 0.9375rem;
    line-height: 1.7;
    background-color: white;
    text-align: center;
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.comparison-table tbody td:last-child {
    border-right: none;
}

.comparison-table tbody tr {
    transition: background-color 0.2s ease;
}

.comparison-table tbody tr:hover td:not(.comparison-label) {
    background-color: rgba(0, 0, 0, 0.01);
}

.comparison-label {
    font-weight: 600;
    color: var(--color-text);
    background-color: var(--color-bg-light);
    width: 20%;
}

.comparison-table tbody .comparison-label {
    color: var(--color-text);
    background-color: var(--color-bg-light);
}

.comparison-old {
    color: var(--color-text-light);
    width: 40%;
}

.comparison-new {
    color: var(--color-text);
    width: 40%;
    background-color: rgba(212, 175, 55, 0.03);
    position: relative;
}

.comparison-table thead th.comparison-new {
    border-bottom: 0.5px solid rgba(0, 0, 0, 0.15);
    border-left: 4px solid #d4af37;
    border-right: 4px solid #d4af37;
    border-top: 4px solid #d4af37;
}

.comparison-table tbody td.comparison-new {
    border-left: 4px solid #d4af37;
    border-right: 4px solid #d4af37;
}

.comparison-table tbody tr:first-child td.comparison-new {
    border-top: none;
}

.comparison-table tbody tr:last-child td.comparison-new {
    border-bottom: 4px solid #d4af37;
}

/* ========== Promo Banner Section ========== */
.promo-banner {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg);
    display: block;
    width: 100%;
}

.promo-card {
    background: linear-gradient(135deg, var(--color-bg-light) 0%, #e8e9ed 100%);
    border: 2px solid var(--color-accent);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
    display: block;
    width: 100%;
}

.promo-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(74, 85, 104, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.promo-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.promo-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: var(--color-accent);
    color: white;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
}

.promo-badge::before {
    content: '◆';
    font-size: 0.75rem;
}

.promo-cta {
    font-size: 0.875rem;
    color: var(--color-text);
    font-weight: 500;
}

.promo-main {
    text-align: center;
    margin-bottom: 1.5rem;
}

.promo-time {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.promo-time-label {
    font-size: 1.25rem;
    color: var(--color-text);
    font-weight: 500;
}

.promo-time-number {
    font-size: 3rem;
    color: var(--color-accent);
    font-weight: 700;
    line-height: 1;
}

.promo-time-unit {
    font-size: 1.25rem;
    color: var(--color-text);
    font-weight: 500;
}

.promo-dates {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-text);
}

.promo-date {
    font-weight: 500;
}

.promo-day {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--color-accent);
    color: white;
    font-size: 0.75rem;
    font-weight: 500;
}

.promo-separator {
    margin: 0 0.25rem;
    color: var(--color-text-light);
}

.promo-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(45, 55, 72, 0.1);
    flex-wrap: wrap;
}

.promo-copy-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background-color: var(--color-accent);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.promo-copy-btn:hover {
    background-color: var(--color-primary);
    transform: translateY(-1px);
}

.promo-arrow {
    font-size: 0.75rem;
}

.promo-discount {
    font-size: 1rem;
    color: var(--color-accent);
    font-weight: 600;
}

.promo-discount .promo-discount-number {
    font-size: 1.25rem;
}

.promo-details {
    padding: 1.5rem;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: 8px;
}

.promo-price {
    font-size: 1.125rem;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.promo-price-number {
    font-size: 1.5rem;
    color: var(--color-accent);
    font-weight: 700;
}

.promo-deadline {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: 0.75rem;
}

.promo-code {
    font-size: 0.875rem;
    color: var(--color-text);
    margin: 0;
}

.promo-code-text {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--color-bg-light);
    color: var(--color-accent);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-weight: 600;
    font-family: monospace;
    cursor: pointer;
    transition: all 0.3s ease;
}

.promo-code-text:hover {
    background-color: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

/* ========== Syllabus Accordion Section ========== */
.syllabus {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-light);
    position: relative;
}

.syllabus .container {
    display: block;
}

.syllabus .main-content {
    margin: 0 auto;
}

.syllabus-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 var(--spacing-lg);
}

.syllabus .section-title {
    margin: 0;
}

.expand-all-btn {
    padding: 0.75rem 1.5rem;
    background-color: var(--color-accent);
    border: 1px solid var(--color-accent);
    color: white;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 6px;
    letter-spacing: 0;
}

.expand-all-btn:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.accordion {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.accordion-item {
    background-color: white;
    border-radius: 8px;
    border: 0.5px solid rgba(0, 0, 0, 0.08);
    margin-bottom: 0.75rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
}

.accordion-item:hover {
    border-color: rgba(0, 0, 0, 0.12);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.accordion-item.active {
    border-color: rgba(0, 0, 0, 0.12);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.accordion-header {
    width: 100%;
    padding: 1.25rem 1.5rem;
    background: white;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s ease;
    gap: 1rem;
}

.accordion-item.active .accordion-header {
    background-color: #3d4d5e;
    color: white;
}

.accordion-header:hover {
    background-color: rgba(0, 0, 0, 0.01);
}

.accordion-item.active .accordion-header:hover {
    background-color: #354552;
    color: white;
}

.accordion-header:focus {
    outline: none;
}

.chapter-number {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-light);
    letter-spacing: 0.05em;
    flex-shrink: 0;
    min-width: 45px;
}

.accordion-item.active .chapter-number {
    color: rgba(255, 255, 255, 0.9);
}

.chapter-title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    letter-spacing: -0.01em;
    flex: 1;
    text-align: left;
    line-height: 1.5;
}

.accordion-item.active .chapter-title {
    color: white;
}

.accordion-icon {
    font-size: 1.125rem;
    color: var(--color-text-light);
    font-weight: 300;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.accordion-item.active .accordion-icon {
    transform: rotate(45deg);
    color: white;
}

.accordion-item.active .accordion-header:hover .accordion-icon {
    color: white;
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0 1.5rem;
    background-color: rgba(0, 0, 0, 0.01);
}

.accordion-item.active .accordion-content {
    max-height: 2000px;
    padding: 0.75rem 1.5rem 1.25rem 1.5rem;
    background-color: white;
}

.unit-grid {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.unit-item {
    background-color: white;
    border-radius: 4px;
    padding: 0.875rem 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    border-left: none;
    transition: all 0.2s ease;
}

.unit-item:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

.unit-number {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-light);
    letter-spacing: 0.05em;
    flex-shrink: 0;
    min-width: 35px;
}

.unit-text {
    font-size: 0.9375rem;
    color: var(--color-text);
    line-height: 1.6;
    flex: 1;
}

.syllabus-image {
    margin-top: var(--spacing-xl);
}

.syllabus-image img {
    width: 100%;
    height: auto;
    border-radius: 0;
    object-fit: cover;
    border: 1px solid var(--color-border);
    transition: opacity 0.3s ease;
}

.syllabus-image:hover img {
    opacity: 0.9;
}

/* ========== Instructor Section ========== */
.instructor {
    padding: var(--spacing-xl) 0;
}

.instructor .container {
    display: block;
}

.instructor .main-content {
    margin: 0 auto;
}

.instructor-content {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.instructor-info h3 {
    font-size: 1.75rem;
    font-weight: 400;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.instructor-title {
    font-size: 1rem;
    color: var(--color-text-light);
    font-weight: 400;
    margin-bottom: var(--spacing-lg);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.instructor-info p {
    color: var(--color-text-light);
    line-height: var(--line-height-base);
    margin-bottom: var(--spacing-md);
}

.instructor-photo {
    flex-shrink: 0;
}

.instructor-photo img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-border);
    transition: opacity 0.3s ease;
}

.instructor-photo img:hover {
    opacity: 0.9;
}

.instructor-info {
    flex: 1;
}

/* ========== Testimonials Section ========== */
.testimonials {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-light);
}

.testimonials .container {
    display: block;
}

.testimonials .main-content {
    margin: 0 auto;
}

.testimonial-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.testimonial-card {
    padding: var(--spacing-lg);
    background-color: white;
    border: 1px solid var(--color-border);
    border-radius: 0;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    border-color: var(--color-accent);
}

.testimonial-card.warning-card {
    border-color: var(--color-accent);
    background-color: var(--color-bg-light);
    border-width: 2px;
}

.testimonial-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.testimonial-header strong {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-accent);
    letter-spacing: -0.01em;
}

.testimonial-role {
    font-size: 0.9rem;
    color: var(--color-text-light);
    background-color: var(--color-bg-light);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
}

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

/* ========== 退款保證 ========== */
.guarantee {
    padding: var(--spacing-xl) 0;
    background-color: white;
}

.guarantee .container {
    display: block;
}

.guarantee .main-content {
    margin: 0 auto;
}

.guarantee-card {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xxl);
    background-color: var(--color-bg-light);
    border-radius: 0;
    text-align: center;
    border: 2px solid var(--color-accent);
}

.guarantee-card h2 {
    font-size: 1.75rem;
    font-weight: 400;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.guarantee-card > p {
    font-size: 1.1rem;
    color: var(--color-text-light);
    line-height: var(--line-height-base);
    margin-bottom: var(--spacing-xl);
}

.guarantee-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: left;
    max-width: 600px;
    margin: 0 auto;
}

.guarantee-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: white;
    border-radius: 8px;
}

.guarantee-check {
    width: 20px;
    height: 20px;
    border-radius: 0;
    background-color: var(--color-accent);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 400;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.guarantee-item span:last-child {
    color: var(--color-text);
    font-weight: 400;
}

/* ========== 常見問題 FAQ ========== */
.faq {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-light);
}

.faq .container {
    display: block;
}

.faq .main-content {
    margin: 0 auto;
}

.faq-accordion {
    max-width: 900px;
    margin: 0 auto var(--spacing-xl) auto;
}

.faq-item {
    border: 1px solid var(--color-border);
    border-radius: 0;
    margin-bottom: var(--spacing-md);
    background-color: white;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--color-accent);
}

.faq-item.active {
    border-color: var(--color-accent);
}

.faq-header {
    width: 100%;
    padding: var(--spacing-lg);
    background: none;
    border: none;
    text-align: left;
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-accent);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.faq-header:hover {
    background-color: var(--color-bg-light);
}

.faq-icon {
    font-size: 1.25rem;
    font-weight: 300;
    transition: transform 0.3s ease;
    color: var(--color-accent);
}

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

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-content {
    max-height: 500px;
}

.faq-content p {
    padding: 0 var(--spacing-lg) var(--spacing-lg) var(--spacing-lg);
    color: var(--color-text-light);
    line-height: var(--line-height-base);
}

.faq-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.faq-cta p {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

/* ========== Enroll Form Section ========== */
.enroll {
    padding: var(--spacing-xl) 0;
}

.enroll .container {
    display: block;
}

.enroll .main-content {
    margin: 0 auto;
}

.enroll-form {
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-weight: 400;
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.01em;
}

.form-group input {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: 0;
    font-size: 1rem;
    font-family: var(--font-family);
    transition: all 0.3s ease;
    background-color: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    border-width: 2px;
}

.form-group select {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: var(--font-family);
    transition: all 0.3s ease;
    background-color: white;
    cursor: pointer;
}

.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: var(--font-family);
    transition: all 0.3s ease;
    background-color: white;
    resize: vertical;
}

.form-group label input[type="checkbox"] {
    width: auto;
    margin-right: var(--spacing-xs);
    cursor: pointer;
}

.form-group label:has(input[type="checkbox"]) {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: 400;
    color: var(--color-text);
}

.form-note {
    margin-top: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--color-text-light);
    text-align: center;
    line-height: var(--line-height-base);
}

.enroll-form .cta-button {
    width: 100%;
    text-align: center;
}

/* ========== 信任標章區 ========== */
.trust-badges {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-light);
}

.trust-badges .container {
    display: block;
}

.trust-badges .main-content {
    margin: 0 auto;
}

/* ========== 課程詳細資訊 ========== */
.course-details {
    padding: var(--spacing-xl) 0;
    background-color: white;
}

.course-details .container {
    display: block;
}

.course-details .main-content {
    margin: 0 auto;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.detail-card {
    padding: var(--spacing-lg);
    background-color: white;
    border-radius: 0;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--color-border);
}

.detail-card:hover {
    border-color: var(--color-accent);
}

.detail-card h3 {
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.01em;
}

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

/* ========== 課程包含內容清單 ========== */
.course-includes {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-light);
}

.course-includes .section-title {
    text-align: center;
}

.course-includes .container {
    display: block;
}

.course-includes .main-content {
    margin: 0 auto;
}

.includes-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.include-card {
    padding: 2rem 1.75rem;
    background-color: var(--color-bg-light);
    border-radius: 8px;
    border: 2px solid var(--color-accent);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    text-align: center;
    min-height: 180px;
    justify-content: center;
    box-shadow: none;
}

.include-card:hover {
    border-color: var(--color-accent);
    background-color: rgba(0, 0, 0, 0.01);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
}

.include-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 0.875rem;
    letter-spacing: -0.01em;
    line-height: 1.4;
}

.include-card p {
    font-size: 0.9375rem;
    color: var(--color-text);
    line-height: 1.7;
    margin: 0;
}

@media (max-width: 1024px) {
    .includes-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.badge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.badge-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg);
    background-color: white;
    border-radius: 0;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.badge-item:hover {
    border-color: var(--color-accent);
}

.badge-icon {
    width: 40px;
    height: 40px;
    border-radius: 0;
    background-color: var(--color-accent);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
}

.badge-text {
    font-weight: 400;
    color: var(--color-accent);
    text-align: center;
    font-size: 0.9rem;
    letter-spacing: -0.01em;
}

/* ========== Footer ========== */
.footer {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-accent);
    color: white;
    text-align: center;
}

.footer p {
    color: rgba(255, 255, 255, 0.8);
}

/* ========== Responsive Design ========== */
@media (max-width: 968px) {
    .content-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        padding: 0 var(--spacing-md);
        display: flex;
        flex-direction: column;
    }
    
    .main-content-area {
        order: 2;
    }
    
    .pricing-sidebar {
        order: 1;
        margin-bottom: var(--spacing-lg);
        width: 100%;
    }
    
    .pricing-sticky-wrapper {
        position: relative;
        top: 0;
        max-height: none;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
    }
    
    .hero-video {
        position: relative;
        top: 0;
        margin-bottom: var(--spacing-lg);
    }
    
    .video-wrapper {
        padding-bottom: 56.25%;
    }
    
    .pain-cards-left {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 0 var(--spacing-md);
    }
    
    .pain-cards-left .pain-card {
        aspect-ratio: auto;
        min-height: 120px;
    }
}

@media (max-width: 768px) {
    .content-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        padding: 0 var(--spacing-md);
        display: flex;
        flex-direction: column;
    }
    
    .main-content-area {
        order: 2;
    }
    
    .pricing-sidebar {
        order: 1;
        margin-bottom: var(--spacing-lg);
        width: 100%;
    }
    
    .pricing-sticky-wrapper {
        position: relative;
        top: 0;
        max-height: none;
    }
    
    .navbar .container {
        flex-direction: column;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-sm);
    }
    
    .hero {
        padding: calc(var(--spacing-xl) + 100px) 0 var(--spacing-xl) 0;
    }
    
    .hero .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.25rem;
    }
    
    .course-about-section,
    .pain-points-section,
    .course-highlights-section,
    .strategic-flow,
    .comparison,
    .course-includes,
    .syllabus,
    .instructor,
    .faq {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
    
    .course-highlights-list {
        padding: 0 var(--spacing-md);
    }
    
    .flow-circles {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 var(--spacing-md);
    }
    
    .flow-circle {
        width: 180px;
        height: 180px;
    }
    
    .includes-grid {
        grid-template-columns: 1fr;
        padding: 0 var(--spacing-md);
    }
    
    .comparison-table {
        font-size: 0.875rem;
    }
    
    .comparison-table thead th,
    .comparison-table tbody td {
        padding: 1rem 0.75rem;
    }
    
    .instructor-content {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }
    
    .instructor-photo {
        margin-bottom: var(--spacing-md);
    }
    
    .instructor-photo img {
        width: 150px;
        height: 150px;
    }
    
    .instructor-info {
        text-align: center;
    }
    
    .syllabus-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
        padding: 0 var(--spacing-md);
    }
    
    .accordion {
        padding: 0 var(--spacing-md);
    }
    
    .testimonial-cards {
        grid-template-columns: 1fr;
    }
    
    .badge-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .guarantee-card {
        padding: var(--spacing-lg);
    }
    
    .guarantee-card h2 {
        font-size: 1.5rem;
    }
    
    .countdown-timer {
        flex-wrap: wrap;
    }
    
    .time-unit {
        min-width: 50px;
    }
    
    .time-unit span {
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .content-layout {
        padding: 0 var(--spacing-sm);
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero {
        padding: calc(var(--spacing-xl) + 120px) 0 var(--spacing-xl) 0;
        min-height: auto;
    }
    
    .hero .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 1.375rem;
    }
    
    .section-title {
        font-size: 1.125rem;
    }
    
    .course-about-section,
    .pain-points-section,
    .course-highlights-section,
    .strategic-flow,
    .comparison,
    .course-includes,
    .syllabus,
    .instructor,
    .faq {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }
    
    .course-highlights-list {
        padding: 0 var(--spacing-sm);
    }
    
    .flow-circles {
        padding: 0 var(--spacing-sm);
    }
    
    .flow-circle {
        width: 150px;
        height: 150px;
    }
    
    .includes-grid {
        padding: 0 var(--spacing-sm);
    }
    
    .pain-cards-left {
        padding: 0 var(--spacing-sm);
    }
    
    .rate-number {
        font-size: 1.5rem;
    }
    
    .price-number {
        font-size: 1.5rem;
    }
    
    .pricing-section {
        padding: var(--spacing-md);
    }
    
    .badge-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-table {
        font-size: 0.8125rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 0.75rem 0.5rem;
    }
    
    .syllabus-header {
        padding: 0 var(--spacing-sm);
    }
    
    .accordion {
        padding: 0 var(--spacing-sm);
    }
    
    .instructor-photo img {
        width: 120px;
        height: 120px;
    }
}