/* 字體引入 */
@font-face {
    font-family: 'jf-openhuninn';
    src: url('src/fonts/jf-openhuninn-2.1.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: block;
}

/* 全域設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-pink: #ffc1e0;
    --secondary-pink: #ffadd2;
    --light-pink: #fff5f9;
    --deep-pink: #ff85b3;
    --accent-pink: #ff6b9d;
    --soft-pink: #ffe4f0;
    --gold: #d4a574;
    --text-dark: #2d2d2d;
    --text-gray: #6b6b6b;
    --text-light: #8a8a8a;
}

body {
    font-family: 'jf-openhuninn', 'Noto Sans TC', 'PingFang TC', 'Microsoft JhengHei', sans-serif;
    overflow-x: hidden;
    background: #f5f5f5;
}

.hidden {
    display: none !important;
}

/* ===== Loading 畫面 ===== */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(135deg, #fff5f9 0%, #ffe4f0 50%, #ffd9ea 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading-content {
    text-align: center;
    animation: fadeInUp 0.8s ease;
}

.couple-illustration {
    margin-bottom: 30px;
    animation: float 3s ease-in-out infinite;
}

.couple-names {
    font-size: 2.5rem;
    color: var(--deep-pink);
    margin: 20px 0 10px;
    font-weight: 400;
    letter-spacing: 4px;
}

.loading-text {
    color: var(--text-gray);
    font-size: 1rem;
    margin-bottom: 30px;
}

.progress-container {
    width: 300px;
    height: 4px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--secondary-pink), var(--primary-pink));
    width: 0%;
    transition: width 0.3s ease;
}

.progress-percent {
    margin-top: 15px;
    font-size: 1.2rem;
    color: var(--deep-pink);
    font-weight: 500;
}

/* ===== 信封畫面 ===== */
.envelope-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(135deg, #fff5f9 0%, #ffe4f0 50%, #ffd9ea 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9998;
    animation: fadeIn 0.5s ease;
}

.envelope-title {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 10px;
    font-weight: 400;
}

.envelope-subtitle {
    font-size: 1rem;
    color: var(--text-gray);
    margin-bottom: 50px;
}

.envelope-container {
    position: relative;
    width: 350px;
    height: 240px;
    cursor: pointer;
    transition: transform 0.3s ease;
    perspective: 1000px;
}

.envelope-container:hover {
    transform: scale(1.03);
}

.envelope-back {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #fff 0%, var(--soft-pink) 100%);
    border-radius: 20px;
    box-shadow: 0 15px 45px rgba(255, 133, 179, 0.2);
}

.envelope-text {
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.3rem;
    color: var(--accent-pink);
    font-weight: 400;
    letter-spacing: 2px;
    text-align: center;
    padding: 0 30px;
    line-height: 1.8;
    z-index: 2;
    width: 100%;
}

.envelope-front {
    position: absolute;
    width: 100%;
    height: 50%;
    bottom: 0;
    background: linear-gradient(135deg, #fff 0%, #fff5f9 100%);
    border-radius: 0 0 20px 20px;
    box-shadow: inset 0 2px 4px rgba(255, 133, 179, 0.1);
}

.envelope-flap {
    position: absolute;
    width: 100%;
    height: 50%;
    top: 0;
    background: linear-gradient(135deg, var(--primary-pink) 0%, var(--secondary-pink) 100%);
    border-radius: 20px 20px 0 0;
    transform-origin: top center;
    transition: transform 1.2s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    clip-path: polygon(
        0 0,
        100% 0,
        95% 15%,
        85% 35%,
        75% 50%,
        65% 65%,
        55% 80%,
        50% 85%,
        45% 80%,
        35% 65%,
        25% 50%,
        15% 35%,
        5% 15%
    );
    z-index: 3;
    box-shadow: 0 5px 20px rgba(255, 133, 179, 0.3);
    overflow: visible;
}

.flap-sticker {
    position: absolute;
    left: 50%;
    bottom: -60px;
    transform: translateX(-50%);
    width: 120px;
    height: auto;
    filter: drop-shadow(0 4px 10px rgba(255, 133, 179, 0.4));
    animation: gentleBounce 2s ease-in-out infinite;
    opacity: 1;
    transition: opacity 0.3s ease;
    z-index: 10;
}

@keyframes gentleBounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0) scale(1);
    }
    50% {
        transform: translateX(-50%) translateY(-5px) scale(1.02);
    }
}

.envelope-container.opening .envelope-flap {
    transform: rotateX(-180deg);
}

.envelope-container.opening .flap-sticker {
    opacity: 0;
}

.envelope-letter {
    position: absolute;
    width: 90%;
    height: 85%;
    top: 7.5%;
    left: 5%;
    background: white;
    border-radius: 20px;
    box-shadow: 0 8px 25px rgba(255, 133, 179, 0.2);
    z-index: 1;
    transition: transform 1.5s cubic-bezier(0.68, -0.55, 0.265, 1.55) 1.2s,
                z-index 0s 1.2s;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px;
}

.envelope-letter img {
    width: 150px;
    height: auto;
    opacity: 0;
    transform: scale(0.9);
    filter: drop-shadow(0 4px 15px rgba(255, 133, 179, 0.3));
    transition: opacity 0.5s ease 1.2s, transform 0.5s ease 1.2s;
}

.envelope-container.opening .envelope-letter {
    transform: translateY(-120%) scale(1.2);
    z-index: 4;
}

.envelope-container.opening .envelope-letter img {
    opacity: 1;
    transform: scale(1);
}

/* ===== 主內容 ===== */
.main-content {
    opacity: 0;
    animation: fadeIn 0.5s ease forwards;
}

/* Hero Section */
.hero-section {
    position: relative;
    width: 100%;
    height: 100vh;
    background: linear-gradient(rgba(255, 173, 210, 0.25), rgba(255, 193, 224, 0.25)),
                url('src/Hero.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 107, 157, 0.2);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    animation: fadeInUp 1s ease 0.5s backwards;
}

.anniversary-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    width: 120px;
    height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 0 auto 30px;
    box-shadow: 0 5px 20px rgba(255, 107, 157, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

.badge-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--deep-pink);
    line-height: 1;
}

.badge-text {
    font-size: 0.9rem;
    color: var(--text-dark);
    letter-spacing: 1px;
}

.hero-title {
    font-size: 3rem;
    font-weight: 300;
    letter-spacing: 8px;
    margin-bottom: 30px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.couple-full-names {
    font-size: 2.5rem;
    margin: 30px 0;
    letter-spacing: 6px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.separator {
    margin: 0 20px;
    opacity: 0.9;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin: 20px 0 40px;
    letter-spacing: 3px;
    opacity: 0.95;
}

.hero-subtitle-initial {
    font-size: 1.8rem;
    margin: 0;
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto;
}

.hero-details {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
    margin-top: 60px;
}

.hero-details.visible {
    opacity: 1;
    transform: translateY(0);
}

.wedding-dates {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-top: 40px;
}

.date-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.date-label {
    font-size: 0.9rem;
    opacity: 0.9;
    letter-spacing: 2px;
}

.date-value {
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 2px;
}

.date-divider {
    font-size: 2rem;
    opacity: 0.7;
}

.skip-to-info-btn {
    margin-top: 40px;
    padding: 16px 40px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 245, 249, 0.95));
    color: var(--accent-pink);
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(255, 133, 179, 0.3);
    backdrop-filter: blur(10px);
    font-family: 'jf-openhuninn', 'Noto Sans TC', 'PingFang TC', 'Microsoft JhengHei', sans-serif;
}

.skip-to-info-btn:hover {
    background: linear-gradient(135deg, var(--primary-pink), var(--secondary-pink));
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255, 133, 179, 0.4);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    cursor: pointer;
}

/* ===== 對比照區塊 ===== */
.comparison-section {
    padding: 120px 20px;
    background: white;
}

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

.section-title {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 15px;
    color: var(--text-dark);
    font-weight: 300;
    letter-spacing: 4px;
    position: relative;
}

.section-subtitle {
    text-align: center;
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 80px;
    font-style: italic;
    letter-spacing: 2px;
    font-weight: 300;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, var(--secondary-pink), var(--primary-pink));
    margin: 25px auto 0;
    border-radius: 1px;
}

/* Image Comparison Slider */
.image-comparison-container {
    max-width: 700px;
    margin: 0 auto;
}

.image-comparison-slider {
    position: relative;
    width: 100%;
    aspect-ratio: 1/1;
    max-height: 70vh;
    overflow: hidden;
    border-radius: 24px;
    box-shadow: 0 30px 80px rgba(255, 133, 179, 0.2);
    user-select: none;
    cursor: ew-resize;
}

.image-comparison-before {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.image-comparison-after {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 2;
    background: white;
}

.image-comparison-before img,
.image-comparison-after img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.image-comparison-before img {
    object-position: center 30%;
}

.image-comparison-after img {
    object-position: center 50%;
}

.image-comparison-after {
    clip-path: inset(0 0 0 50%);
}

/* 圖片標籤 */
.image-label {
    position: absolute;
    padding: 15px 25px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 245, 249, 0.95));
    backdrop-filter: blur(10px);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.image-label-before {
    bottom: 30px;
    left: 30px;
}

.image-label-after {
    bottom: 30px;
    right: 30px;
}

.label-year {
    font-size: 1.8rem;
    color: var(--accent-pink);
    font-weight: 400;
    letter-spacing: 2px;
}

.label-desc {
    font-size: 0.95rem;
    color: var(--text-gray);
    letter-spacing: 0.5px;
}

/* 滑桿控制 */
.image-comparison-handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background: transparent;
    transform: translateX(-50%);
    z-index: 3;
    cursor: ew-resize;
}

.handle-line {
    position: absolute;
    top: 0;
    left: 50%;
    width: 3px;
    height: 100%;
    background: white;
    transform: translateX(-50%);
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.3);
}

.handle-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--secondary-pink), var(--primary-pink));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(255, 133, 179, 0.4);
    transition: transform 0.2s ease;
}

.image-comparison-handle:hover .handle-circle {
    transform: translate(-50%, -50%) scale(1.1);
}

.handle-circle svg {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

/* 提示文字 */
.comparison-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
    color: var(--text-light);
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    animation: fadeInUp 1s ease 1s backwards;
}

.comparison-hint svg {
    color: var(--accent-pink);
    animation: slideHorizontal 2s ease-in-out infinite;
}

@keyframes slideHorizontal {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(5px); }
}

/* ===== 輪播區塊 ===== */
.gallery-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #fff 0%, var(--light-pink) 100%);
}

.gallery-carousel {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.carousel-container {
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.carousel-container::-webkit-scrollbar {
    display: none;
}

.carousel-track {
    display: flex;
    gap: 30px;
    padding: 20px 0;
}

.carousel-slide {
    flex: 0 0 auto;
    width: 450px;
    position: relative;
    scroll-snap-align: start;
}

.year-badge {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 245, 249, 0.98));
    color: var(--accent-pink);
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    z-index: 2;
    box-shadow: 0 4px 20px rgba(255, 133, 179, 0.2);
    backdrop-filter: blur(10px);
    letter-spacing: 1px;
}

.slide-image {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
    object-position: center 35%;
    border-radius: 24px;
    box-shadow: 0 15px 50px rgba(255, 133, 179, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-image:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 70px rgba(255, 133, 179, 0.3);
}

.slide-placeholder {
    width: 100%;
    aspect-ratio: 4/5;
    background: linear-gradient(135deg, #fff 0%, var(--soft-pink) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--text-light);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 15px 50px rgba(255, 133, 179, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-placeholder:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 70px rgba(255, 133, 179, 0.3);
}

.slide-placeholder p:first-child {
    font-size: 4rem;
    margin-bottom: 10px;
}

.gallery-carousel {
    position: relative;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid var(--primary-pink);
    color: var(--primary-pink);
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 133, 179, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-btn:hover {
    background: var(--primary-pink);
    color: white;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(255, 133, 179, 0.4);
}

.carousel-prev {
    left: 20px;
}

.carousel-next {
    right: 20px;
}

.carousel-dots {
    display: none;
}

.carousel-scroll-hint {
    text-align: center;
    margin-top: 30px;
    color: var(--text-light);
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.carousel-scroll-hint svg {
    color: var(--accent-pink);
    animation: slideHorizontal 2s ease-in-out infinite;
}

/* ===== 故事時間軸 ===== */
.story-section {
    padding: 120px 20px;
    background: linear-gradient(135deg, var(--light-pink) 0%, #fff 100%);
}

.timeline {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    display: flex;
    align-items: stretch;
    gap: 30px;
    padding: 40px 20px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 100px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-pink), transparent);
}

.timeline-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.timeline-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--secondary-pink), var(--primary-pink));
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    z-index: 2;
    box-shadow: 0 8px 25px rgba(255, 133, 179, 0.3);
    border: 4px solid white;
    margin-bottom: 30px;
    flex-shrink: 0;
}

.timeline-content {
    width: 100%;
    height: 100%;
    background: white;
    padding: 25px;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(255, 133, 179, 0.12);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(255, 133, 179, 0.18);
}

.timeline-image {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    object-position: center 35%;
    border-radius: 12px;
    margin-bottom: 15px;
    flex-shrink: 0;
}

.timeline-content h3 {
    font-size: 2rem;
    margin-bottom: 12px;
    color: var(--accent-pink);
    font-weight: 400;
    letter-spacing: 2px;
    flex-shrink: 0;
}

.timeline-desc {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.timeline-year {
    color: var(--primary-pink);
    font-weight: 500;
    font-size: 1.1rem;
    letter-spacing: 1px;
    margin-top: auto;  /* 將年份推到底部 */
}

/* ===== 雙場地資訊 ===== */
.venues-section {
    padding: 120px 20px;
    background: white;
}

.venues-note {
    text-align: center;
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 60px;
    font-style: italic;
    letter-spacing: 0.5px;
}

.venues-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
}

.venue-card {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(255, 133, 179, 0.15);
    transition: all 0.3s ease;
}

.venue-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 80px rgba(255, 133, 179, 0.22);
}

.venue-header {
    padding: 35px;
    background: linear-gradient(135deg, var(--secondary-pink), var(--primary-pink));
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.venue-header-left {
    display: flex;
    align-items: baseline;
    gap: 20px;
}

.venue-city {
    font-size: 2.2rem;
    font-weight: 400;
    letter-spacing: 3px;
}

.venue-header-date {
    font-size: 1.3rem;
    font-weight: 300;
    letter-spacing: 2px;
    opacity: 0.95;
}

.venue-icon {
    font-size: 2.8rem;
}

.venue-body {
    padding: 45px;
}

.venue-date {
    text-align: center;
    padding: 25px;
    background: linear-gradient(135deg, var(--light-pink) 0%, #fff 100%);
    border-radius: 16px;
    margin-bottom: 35px;
}

.date-number {
    font-size: 4rem;
    font-weight: 300;
    color: var(--accent-pink);
    line-height: 1;
}

.date-month {
    font-size: 1.4rem;
    color: var(--text-gray);
    letter-spacing: 3px;
    margin-top: 8px;
    font-weight: 300;
}

.date-year {
    font-size: 1rem;
    color: var(--text-light);
    margin-top: 5px;
}

.venue-info h3 {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 8px;
    font-weight: 400;
    letter-spacing: 1px;
}

.venue-hall {
    color: var(--text-gray);
    font-size: 1.1rem;
    margin-bottom: 30px;
    letter-spacing: 0.5px;
}

.info-section-title {
    font-size: 1.1rem;
    color: var(--accent-pink);
    font-weight: 500;
    margin-top: 25px;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.venue-detail {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 18px;
    color: var(--text-gray);
    line-height: 1.7;
    letter-spacing: 0.3px;
}

.detail-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary-pink);
    min-width: 6px;
    margin-top: 8px;
    flex-shrink: 0;
}

.venue-actions {
    margin-top: 35px;
}

.linebot-btn {
    display: block;
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, #8BC34A, #7CB342);
    color: white;
    text-align: center;
    text-decoration: none;
    border-radius: 16px;
    font-size: 1.1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-bottom: 25px;
    letter-spacing: 0.5px;
}

.linebot-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(139, 195, 74, 0.25);
}

.qrcode-container {
    text-align: center;
    padding: 25px;
    background: var(--light-pink);
    border-radius: 16px;
}

.qrcode-container img {
    width: 160px;
    height: 160px;
    border-radius: 12px;
    background: white;
    padding: 12px;
}

.qrcode-container p {
    margin-top: 12px;
    color: var(--text-gray);
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

/* ===== Footer ===== */
.footer {
    padding: 100px 20px 50px;
    background: linear-gradient(135deg, var(--light-pink) 0%, var(--soft-pink) 100%);
    color: var(--text-dark);
    text-align: center;
}

.footer-illustration {
    margin-bottom: 35px;
}

.footer-main {
    font-size: 1.4rem;
    margin: 25px 0;
    letter-spacing: 2px;
    color: var(--text-gray);
    font-weight: 300;
}

.footer-names {
    font-size: 2rem;
    margin: 20px 0;
    color: var(--accent-pink);
    letter-spacing: 4px;
    font-weight: 400;
}

.footer-small {
    font-size: 1rem;
    opacity: 0.8;
    margin-top: 25px;
    letter-spacing: 1px;
    color: var(--text-light);
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* ===== Responsive ===== */
.mobile-break {
    display: none;
}

@media (max-width: 768px) {
    .mobile-break {
        display: inline;
    }

    .hero-section {
        background-attachment: scroll;
        width: 100vw;
        max-width: 100%;
        background-position: center 30%;
    }

    .hero-content {
        padding: 0 20px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .hero-subtitle-initial {
        font-size: 1.3rem;
        padding: 0 10px;
        max-width: 100%;
    }

    .hero-title {
        font-size: 2rem;
    }

    .couple-full-names {
        font-size: 1.8rem;
    }

    .wedding-dates {
        flex-direction: column;
        gap: 15px;
    }

    .date-divider {
        transform: rotate(90deg);
    }

    .section-title {
        font-size: 2rem;
    }

    /* Image Comparison 響應式 */
    .image-comparison-slider {
        aspect-ratio: 3/4;
        min-height: 400px;
    }

    .image-comparison-before img,
    .image-comparison-after img {
        object-position: center 35%;
        object-fit: cover;
    }

    .image-label {
        padding: 10px 15px;
    }

    .image-label-before,
    .image-label-after {
        bottom: 15px;
        left: 15px;
        right: auto;
    }

    .image-label-after {
        left: auto;
        right: 15px;
    }

    .label-year {
        font-size: 1.3rem;
    }

    .label-desc {
        font-size: 0.85rem;
    }

    .handle-circle {
        width: 50px;
        height: 50px;
    }

    .handle-circle svg {
        width: 20px;
        height: 20px;
    }

    .comparison-hint {
        font-size: 0.85rem;
    }

    /* 輪播卡片響應式 */
    .carousel-slide {
        width: 280px;
    }

    .slide-image {
        aspect-ratio: 3/4;
    }

    .slide-placeholder {
        aspect-ratio: 3/4;
    }

    .carousel-scroll-hint {
        font-size: 0.85rem;
    }

    /* 時間軸改為垂直布局 */
    .timeline {
        flex-direction: column;
        gap: 40px;
        padding: 20px;
    }

    .timeline::before {
        left: 30px;
        right: auto;
        top: 0;
        bottom: 0;
        width: 1px;
        height: auto;
        background: linear-gradient(180deg, transparent, var(--primary-pink), transparent);
    }

    .timeline-item {
        flex-direction: row;
        align-items: flex-start;
        padding-left: 80px;
        width: 100%;
    }

    .timeline-icon {
        position: absolute;
        left: -50px;
        margin-bottom: 0;
    }

    .timeline-content {
        width: 100%;
        display: flex;
        flex-direction: column;
    }
    
    .venues-grid {
        grid-template-columns: 1fr;
    }
    
    .carousel-btn.prev {
        left: 10px;
    }
    
    .carousel-btn.next {
        right: 10px;
    }
    
    .anniversary-badge {
        width: 100px;
        height: 100px;
    }
    
    .badge-number {
        font-size: 2.5rem;
    }

    .skip-to-info-btn {
        font-size: 1rem;
        padding: 14px 32px;
        margin-top: 30px;
    }
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}