:root {
    --primary-pink: #e8a4b8;
    --secondary-pink: #f5d0d8;
    --accent-rose: #d4a5a5;
    --warm-cream: #faf6f2;
    --soft-purple: #c9b8d0;
    --text-dark: #4a3f44;
    --text-light: #6b5b5f;
    --gold-accent: #d4af37;
    --deep-rose: #c77d8e;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Serif SC', serif;
    background: var(--warm-cream);
    color: var(--text-dark);
    overflow-x: hidden;
    line-height: 1.8;
    cursor: default;
}

/* ============ 密码保护界面 ============ */
.password-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #faf6f2 0%, #f5d0d8 50%, #e8a4b8 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.password-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.password-decoration {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.password-decoration .heart {
    position: absolute;
    opacity: 0.1;
    animation: float-heart 6s ease-in-out infinite;
}

.password-decoration .heart:nth-child(1) {
    top: 10%;
    left: 10%;
    font-size: 3rem;
    animation-delay: 0s;
}

.password-decoration .heart:nth-child(2) {
    top: 20%;
    right: 15%;
    font-size: 2rem;
    animation-delay: 1s;
}

.password-decoration .heart:nth-child(3) {
    top: 60%;
    left: 5%;
    font-size: 2.5rem;
    animation-delay: 2s;
}

.password-decoration .heart:nth-child(4) {
    top: 70%;
    right: 10%;
    font-size: 1.8rem;
    animation-delay: 3s;
}

.password-decoration .heart:nth-child(5) {
    top: 40%;
    left: 80%;
    font-size: 2.2rem;
    animation-delay: 4s;
}

.password-decoration .heart:nth-child(6) {
    top: 85%;
    left: 50%;
    font-size: 2rem;
    animation-delay: 5s;
}

@keyframes float-heart {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(10deg);
    }
}

.password-card {
    background: rgba(255, 255, 255, 0.95);
    padding: 3rem 2.5rem;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    text-align: center;
    max-width: 380px;
    width: 90%;
    position: relative;
    animation: card-appear 0.8s ease;
}

@keyframes card-appear {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.password-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-pink), var(--soft-purple), var(--primary-pink));
    border-radius: 24px 24px 0 0;
}

.password-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    25% {
        transform: scale(1.1);
    }
    50% {
        transform: scale(1);
    }
    75% {
        transform: scale(1.15);
    }
}

.password-title {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.password-subtitle {
    font-family: 'ZCOOL XiaoWei', serif;
    font-size: 0.9rem;
    color: var(--text-light);
    letter-spacing: 2px;
    margin-bottom: 2rem;
}

.password-hint {
    font-family: 'ZCOOL XiaoWei', serif;
    font-size: 0.85rem;
    color: var(--primary-pink);
    margin-bottom: 1.5rem;
    padding: 0.8rem;
    background: rgba(232, 164, 184, 0.1);
    border-radius: 8px;
}

.password-input-wrapper {
    position: relative;
    margin-bottom: 1.5rem;
}

.password-input {
    width: 100%;
    padding: 1rem 1.2rem;
    font-size: 1.2rem;
    font-family: 'ZCOOL XiaoWei', serif;
    border: 2px solid var(--secondary-pink);
    border-radius: 12px;
    text-align: center;
    letter-spacing: 8px;
    background: var(--warm-cream);
    color: var(--text-dark);
    transition: all 0.3s ease;
    outline: none;
}

.password-input:focus {
    border-color: var(--primary-pink);
    box-shadow: 0 0 0 4px rgba(232, 164, 184, 0.2);
}

.password-input.error {
    border-color: #e57373;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    20%, 60% {
        transform: translateX(-10px);
    }
    40%, 80% {
        transform: translateX(10px);
    }
}

.password-btn {
    width: 100%;
    padding: 1rem;
    font-family: 'ZCOOL XiaoWei', serif;
    font-size: 1.1rem;
    letter-spacing: 3px;
    color: white;
    background: linear-gradient(135deg, var(--primary-pink), var(--soft-purple));
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(232, 164, 184, 0.4);
}

.password-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(232, 164, 184, 0.5);
}

.password-error-msg {
    color: #e57373;
    font-size: 0.85rem;
    margin-top: 1rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.password-error-msg.show {
    opacity: 1;
}

/* 优雅的滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--warm-cream);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-pink), var(--soft-purple));
    border-radius: 10px;
}

/* 鼠标跟随星光效果 */
.cursor-sparkle {
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    font-size: 12px;
    animation: sparkle-fade 1s ease-out forwards;
    color: var(--primary-pink);
    text-shadow: 0 0 10px var(--primary-pink);
}

@keyframes sparkle-fade {
    0% {
        opacity: 1;
        transform: translateY(0) scale(1) rotate(0deg);
    }
    100% {
        opacity: 0;
        transform: translateY(-30px) scale(0) rotate(180deg);
    }
}

/* 飘落花瓣效果 */
.petal-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 100;
    overflow: hidden;
}

.petal {
    position: absolute;
    top: -50px;
    animation: fall linear forwards;
    pointer-events: none;
}

@keyframes fall {
    to {
        transform: translateY(110vh) rotate(720deg);
    }
}

.petal svg {
    width: 20px;
    height: 20px;
    fill: var(--primary-pink);
    filter: drop-shadow(0 2px 4px rgba(232, 164, 184, 0.3));
}

/* 背景装饰 */
.bg-decoration {
    position: fixed;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.floating-heart {
    position: absolute;
    opacity: 0.08;
    animation: floatHeart 15s ease-in-out infinite;
}

.heart-1 {
    top: 10%;
    left: 5%;
    font-size: 3rem;
    animation-delay: 0s;
}

.heart-2 {
    top: 30%;
    right: 8%;
    font-size: 2rem;
    animation-delay: 3s;
}

.heart-3 {
    top: 60%;
    left: 10%;
    font-size: 2.5rem;
    animation-delay: 6s;
}

.heart-4 {
    top: 80%;
    right: 15%;
    font-size: 1.8rem;
    animation-delay: 9s;
}

.heart-5 {
    top: 45%;
    left: 85%;
    font-size: 2.2rem;
    animation-delay: 12s;
}

@keyframes floatHeart {
    0%, 100% {
        transform: translateY(0) rotate(0deg) scale(1);
    }
    25% {
        transform: translateY(-20px) rotate(5deg) scale(1.05);
    }
    50% {
        transform: translateY(-10px) rotate(-3deg) scale(1);
    }
    75% {
        transform: translateY(-25px) rotate(3deg) scale(1.03);
    }
}

/* 导航栏 */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.2rem 3rem;
    z-index: 1000;
    transition: all 0.4s ease;
}

nav.scrolled {
    background: rgba(250, 246, 242, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 3rem;
}

nav a {
    text-decoration: none;
    color: var(--text-dark);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 2px;
    position: relative;
    padding: 0.5rem 0;
    transition: color 0.3s;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-pink), transparent);
    transition: all 0.4s ease;
    transform: translateX(-50%);
}

nav a:hover::after {
    width: 100%;
}

nav a:hover {
    color: var(--primary-pink);
}

/* 移动端汉堡菜单 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-dark);
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* 主容器 */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* 英雄区域 */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    padding: 6rem 2rem;
    background: linear-gradient(180deg,
            rgba(232, 164, 184, 0.1) 0%,
            rgba(250, 246, 242, 0) 100%);
}

.hero-decoration {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    border: 1px solid rgba(232, 164, 184, 0.2);
    border-radius: 50%;
    pointer-events: none;
    animation: pulse-ring 4s ease-in-out infinite;
}

@keyframes pulse-ring {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.05);
        opacity: 0.5;
    }
}

.hero-decoration::before {
    content: '';
    position: absolute;
    top: -30px;
    left: -30px;
    right: -30px;
    bottom: -30px;
    border: 1px solid rgba(232, 164, 184, 0.1);
    border-radius: 50%;
}

.hero-subtitle {
    font-family: 'ZCOOL XiaoWei', serif;
    font-size: 1rem;
    letter-spacing: 8px;
    color: var(--text-light);
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 1s ease 0.3s forwards;
}

.hero h1 {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 5rem;
    font-weight: 400;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeInUp 1s ease 0.5s forwards;
    position: relative;
}

.hero h1::before,
.hero h1::after {
    content: '♡';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--primary-pink);
    opacity: 0.6;
    animation: heart-float 2s ease-in-out infinite;
}

.hero h1::before {
    left: -3rem;
    animation-delay: 0s;
}

.hero h1::after {
    right: -3rem;
    animation-delay: 0.5s;
}

@keyframes heart-float {
    0%, 100% {
        transform: translateY(-50%) scale(1);
    }
    50% {
        transform: translateY(-60%) scale(1.2);
    }
}

/* 打字机效果容器 */
.typewriter-container {
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-quote {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.1rem;
    color: var(--text-light);
    font-style: italic;
    max-width: 400px;
    opacity: 0;
    animation: fadeInUp 1s ease 0.7s forwards;
}

.typewriter {
    display: inline;
    border-right: 2px solid var(--primary-pink);
    animation: blink-cursor 0.8s step-end infinite;
}

@keyframes blink-cursor {
    50% {
        border-color: transparent;
    }
}

/* 恋爱计数器 */
.love-counter {
    margin-top: 3rem;
    padding: 1.5rem 3rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(232, 164, 184, 0.2);
    opacity: 0;
    animation: fadeInUp 1s ease 0.9s forwards;
    border: 1px solid rgba(232, 164, 184, 0.3);
}

.love-counter-title {
    font-family: 'ZCOOL XiaoWei', serif;
    font-size: 0.85rem;
    letter-spacing: 3px;
    color: var(--text-light);
    margin-bottom: 0.8rem;
}

.love-counter-days {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
}

.counter-number {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 3.5rem;
    color: var(--deep-rose);
    line-height: 1;
    background: linear-gradient(135deg, var(--primary-pink), var(--deep-rose));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.counter-label {
    font-family: 'ZCOOL XiaoWei', serif;
    font-size: 1rem;
    color: var(--text-light);
}

.counter-details {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
    font-family: 'ZCOOL XiaoWei', serif;
    font-size: 0.8rem;
    color: var(--text-light);
}

.counter-detail-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.counter-detail-num {
    font-size: 1.2rem;
    color: var(--primary-pink);
    font-weight: 500;
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    animation: fadeInUp 1s ease 1.2s forwards;
}

.scroll-indicator span {
    display: block;
    width: 1px;
    height: 60px;
    background: linear-gradient(180deg, var(--primary-pink), transparent);
    margin: 0 auto;
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% {
        transform: scaleY(1);
        opacity: 1;
    }
    50% {
        transform: scaleY(0.5);
        opacity: 0.5;
    }
}

/* 区块标题 */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
}

.section-header h2 {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 2.8rem;
    font-weight: 400;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-header p {
    font-family: 'ZCOOL XiaoWei', serif;
    font-size: 0.9rem;
    letter-spacing: 4px;
    color: var(--text-light);
}

.section-header .divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.section-header .divider span {
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-pink));
}

.section-header .divider span:last-child {
    background: linear-gradient(90deg, var(--primary-pink), transparent);
}

.section-header .divider::before {
    content: '✧';
    color: var(--primary-pink);
    font-size: 0.8rem;
    animation: twinkle 2s ease-in-out infinite;
}

@keyframes twinkle {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

/* 相册区域 */
.gallery-section {
    padding: 4rem 0; /* 减小整个相册区域的上下间距 */
}

.photo-gallery {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 22px 44px rgba(0, 0, 0, 0.08);
    max-width: 900px; /* 缩小相册整体在页面中的占比 */
    margin: 0 auto;
}

.photo-frame {
    position: relative;
    padding: 10px; /* 减小内边距，让相框更紧凑 */
    background: white;
    border-radius: 20px;
}

.photo-frame::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 6px;
    right: 6px;
    bottom: 6px;
    border: 1px solid rgba(232, 164, 184, 0.3);
    border-radius: 15px;
    pointer-events: none;
}

.photo-slider {
    position: relative;
    width: 100%;
    aspect-ratio: 5/6; /* 桌面端更高一点 */
    max-height: 100vh;   /* 降低照片高度占比 */
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.10);
}

.photo {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.2s ease, transform 1.2s ease;
    object-fit: cover;
    transform: scale(1.05);
}

.photo.active {
    opacity: 1;
    transform: scale(1);
}

.photo-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 3rem 2rem 2rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.5));
    color: white;
    text-align: center;
    font-family: 'ZCOOL XiaoWei', serif;
    letter-spacing: 2px;
}

.slider-controls {
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.slider-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.4s ease;
    border: none;
}

.slider-dot.active {
    background: white;
    transform: scale(1.3);
}

.slider-arrows {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 1rem;
    pointer-events: none;
}

.arrow-btn {
    width: 50px;
    height: 50px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    pointer-events: auto;
    font-size: 1.2rem;
}

.arrow-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

/* 照片缩略图 */
.photo-thumbnails {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 15px;
    padding: 0 20px;
    max-width: 90%;
    margin-left: auto;
    margin-right: auto;
    flex-wrap: wrap;
}

.thumbnail {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    object-fit: cover;
    cursor: pointer;
    opacity: 0.5;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.thumbnail.active {
    opacity: 1;
    border-color: var(--primary-pink);
    transform: scale(1.1);
}

.thumbnail:hover {
    opacity: 0.8;
}

/* 音乐区域 */
.music-section {
    padding: 6rem 0;
    background: linear-gradient(180deg,
            transparent 0%,
            rgba(232, 164, 184, 0.08) 50%,
            transparent 100%);
}

.music-card {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    border-radius: 24px;
    padding: 3rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.06);
    position: relative;
    overflow: hidden;
}

.music-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-pink), var(--soft-purple), var(--primary-pink));
    background-size: 200% 100%;
    animation: gradient-flow 3s ease infinite;
}

@keyframes gradient-flow {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.music-vinyl {
    width: 200px;
    height: 200px;
    margin: 0 auto 2rem;
    position: relative;
}

.vinyl-disc {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, #1a1a1a 0%, #333 50%, #1a1a1a 100%);
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.vinyl-disc.spinning {
    animation: spin 3s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.vinyl-disc::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-pink), var(--soft-purple));
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.2);
}

.vinyl-disc::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: #1a1a1a;
}

.vinyl-grooves {
    position: absolute;
    top: 10%;
    left: 10%;
    right: 10%;
    bottom: 10%;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.vinyl-grooves::before,
.vinyl-grooves::after {
    content: '';
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 50%;
}

.vinyl-grooves::before {
    top: 15%;
    left: 15%;
    right: 15%;
    bottom: 15%;
}

.vinyl-grooves::after {
    top: 30%;
    left: 30%;
    right: 30%;
    bottom: 30%;
}

.music-info {
    text-align: center;
    margin-bottom: 2rem;
}

.music-title {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.music-artist {
    font-family: 'ZCOOL XiaoWei', serif;
    color: var(--text-light);
    letter-spacing: 3px;
}

.music-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
}

.play-btn {
    width: 70px;
    height: 70px;
    border: none;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-pink), var(--soft-purple));
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(232, 164, 184, 0.4);
}

.play-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 15px 40px rgba(232, 164, 184, 0.5);
}

.control-btn {
    width: 45px;
    height: 45px;
    border: 1px solid var(--secondary-pink);
    background: transparent;
    border-radius: 50%;
    color: var(--text-light);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.control-btn:hover {
    background: var(--secondary-pink);
    color: white;
}

/* 进度条 - 可拖动 */
.progress-container {
    margin-top: 2rem;
    position: relative;
}

.progress-bar {
    height: 6px;
    background: rgba(232, 164, 184, 0.2);
    border-radius: 3px;
    overflow: visible;
    cursor: pointer;
    position: relative;
}

.progress-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--primary-pink), var(--soft-purple));
    border-radius: 3px;
    transition: width 0.1s linear;
    position: relative;
}

.progress-handle {
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background: white;
    border: 3px solid var(--primary-pink);
    border-radius: 50%;
    cursor: grab;
    transition: transform 0.2s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.progress-handle:hover {
    transform: translateY(-50%) scale(1.2);
}

.time-display {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-family: 'ZCOOL XiaoWei', serif;
    font-size: 0.8rem;
    color: var(--text-light);
}

/* 音量控制 */
.volume-control {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 1.5rem;
}

.volume-icon {
    font-size: 1.2rem;
    color: var(--text-light);
    cursor: pointer;
    transition: color 0.3s ease;
}

.volume-icon:hover {
    color: var(--primary-pink);
}

.volume-slider {
    width: 100px;
    height: 4px;
    -webkit-appearance: none;
    background: rgba(232, 164, 184, 0.3);
    border-radius: 2px;
    outline: none;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    background: var(--primary-pink);
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.volume-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* 时间轴区域 */
.timeline-section {
    padding: 6rem 0;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg,
            transparent,
            var(--primary-pink) 10%,
            var(--primary-pink) 90%,
            transparent);
}

.timeline-item {
    display: flex;
    margin: 4rem 0;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-item:nth-child(odd) .timeline-content {
    text-align: right;
    margin-right: 3rem;
    margin-left: 0;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 3rem;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: white;
    border: 3px solid var(--primary-pink);
    border-radius: 50%;
    z-index: 1;
    transition: all 0.3s ease;
}

.timeline-item:hover .timeline-marker {
    transform: translateX(-50%) scale(1.3);
    background: var(--primary-pink);
}

.timeline-marker::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: var(--primary-pink);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.timeline-item:hover .timeline-marker::before {
    background: white;
}

.timeline-content {
    flex: 1;
    max-width: calc(50% - 3rem);
}

.timeline-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.timeline-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(232, 164, 184, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.timeline-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
}

.timeline-card:hover::after {
    opacity: 1;
}

.timeline-date {
    font-family: 'ZCOOL XiaoWei', serif;
    font-size: 0.85rem;
    letter-spacing: 2px;
    color: var(--primary-pink);
    margin-bottom: 0.8rem;
}

.timeline-card h3 {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 1.6rem;
    font-weight: 400;
    color: var(--text-dark);
    margin-bottom: 0.8rem;
}

.timeline-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.9;
    position: relative;
    z-index: 1;
}

/* 留言区域 */
.message-section {
    padding: 8rem 0;
    background: linear-gradient(180deg,
            transparent 0%,
            rgba(232, 164, 184, 0.1) 50%,
            rgba(201, 184, 208, 0.1) 100%);
}

.message-card {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    position: relative;
}

.message-quote {
    font-size: 4rem;
    color: var(--primary-pink);
    opacity: 0.3;
    font-family: Georgia, serif;
    line-height: 1;
    margin-bottom: 1rem;
}

.message-content {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 1.8rem;
    color: var(--text-dark);
    line-height: 2.2;
    margin-bottom: 2rem;
}

.message-signature {
    font-family: 'ZCOOL XiaoWei', serif;
    color: var(--text-light);
    letter-spacing: 3px;
    font-size: 0.9rem;
}

.message-signature::before {
    content: '—— ';
}

.heart-decoration {
    margin-top: 3rem;
    font-size: 2rem;
    color: var(--primary-pink);
    animation: heartbeat 1.5s ease-in-out infinite;
}

/* 页脚 */
footer {
    text-align: center;
    padding: 3rem;
    background: white;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-pink), transparent);
}

footer p {
    font-family: 'ZCOOL XiaoWei', serif;
    color: var(--text-light);
    font-size: 0.85rem;
    letter-spacing: 2px;
}

footer span {
    color: var(--primary-pink);
    animation: heartbeat 1.5s ease-in-out infinite;
    display: inline-block;
}

.admin-link {
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    opacity: 0.3;
    transition: all 0.3s ease;
    z-index: 999;
}

.admin-link:hover {
    opacity: 1;
    transform: scale(1.1);
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 加载动画 */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--warm-cream);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-heart {
    font-size: 3rem;
    color: var(--primary-pink);
    animation: loading-pulse 1s ease-in-out infinite;
}

@keyframes loading-pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.3);
        opacity: 0.7;
    }
}

.loading-text {
    margin-top: 1rem;
    font-family: 'ZCOOL XiaoWei', serif;
    color: var(--text-light);
    letter-spacing: 3px;
    font-size: 0.9rem;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-pink), var(--soft-purple));
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(232, 164, 184, 0.4);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(232, 164, 184, 0.5);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 3rem;
    }

    /* 相册窗口在手机上更合适的比例（更高一些） */
    .photo-slider {
        aspect-ratio: 3 / 4;
        max-height: 80vh;
    }

    .hero h1::before,
    .hero h1::after {
        display: none;
    }

    nav {
        padding: 1rem 1.5rem;
    }

    nav ul {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(250, 246, 242, 0.98);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    nav ul.active {
        opacity: 1;
        visibility: visible;
    }

    .mobile-menu-btn {
        display: block;
        position: absolute;
        right: 1.5rem;
        top: 50%;
        transform: translateY(-50%);
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    nav a {
        font-size: 1.2rem;
        letter-spacing: 3px;
    }

    .section-header h2 {
        font-size: 2.2rem;
    }

    .photo-thumbnails {
        display: none;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item,
    .timeline-item:nth-child(odd) {
        flex-direction: column;
    }

    .timeline-marker {
        left: 20px;
    }

    .timeline-content,
    .timeline-item:nth-child(odd) .timeline-content {
        max-width: 100%;
        margin-left: 50px !important;
        margin-right: 0 !important;
        text-align: left !important;
    }

    .message-content {
        font-size: 1.4rem;
    }

    .music-vinyl {
        width: 150px;
        height: 150px;
    }

    .vinyl-disc::before {
        width: 60px;
        height: 60px;
    }

    .love-counter {
        padding: 1rem 1.5rem;
    }

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

    .counter-details {
        gap: 1rem;
    }

    .container {
        padding: 0 1rem;
    }

    .music-card {
        padding: 2rem 1.5rem;
    }

    .music-controls {
        gap: 1rem;
    }

    .play-btn {
        width: 60px;
        height: 60px;
    }

    .control-btn {
        width: 40px;
        height: 40px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }

    .password-card {
        padding: 2rem 1.5rem;
    }

    .password-title {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    /* 超小屏：窗口再更“方”一些，避免太矮 */
    .photo-slider {
        aspect-ratio: 1 / 1;
        max-height: 60vh;
    }

    .hero-subtitle {
        font-size: 0.85rem;
        letter-spacing: 4px;
    }

    .hero-quote {
        font-size: 0.95rem;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .photo-slider {
        height: 250px;
    }

    .timeline-card {
        padding: 1.5rem;
    }

    .timeline-card h3 {
        font-size: 1.4rem;
    }
}

/* 主内容区域 - 密码验证前隐藏 */
.main-content {
    display: none;
}

.main-content.unlocked {
    display: block;
}

/* ============ 小小广播站（首页） ============ */
.broadcast-card {
    margin-top: 2.5rem;
    padding: 1.8rem 2rem;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(232, 164, 184, 0.22);
    border: 1px solid rgba(232, 164, 184, 0.25);
    max-width: 520px;
    width: 100%;
    animation: fadeInUp 0.8s ease;
}

.broadcast-tag {
    display: inline-block;
    padding: 0.25rem 0.8rem;
    border-radius: 999px;
    background: rgba(232, 164, 184, 0.18);
    color: var(--deep-rose);
    font-family: 'ZCOOL XiaoWei', serif;
    letter-spacing: 2px;
    font-size: 0.8rem;
    margin-bottom: 0.8rem;
}

.broadcast-title {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 1.8rem;
    color: var(--text-dark);
    margin-bottom: 0.6rem;
}

.broadcast-content {
    font-family: 'Noto Serif SC', serif;
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.9;
    white-space: pre-line;
}

.broadcast-countdown {
    margin-top: 1rem;
    font-family: 'ZCOOL XiaoWei', serif;
    letter-spacing: 2px;
    color: var(--primary-pink);
    font-size: 0.95rem;
}

.broadcast-countdown span {
    font-size: 1.2rem;
    font-weight: 600;
}

/* ============ 心愿清单区域 ============ */
.wishlist-section {
    padding: 6rem 0;
}

.wishlist-card {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.06);
}

.wishlist-progress {
    margin-bottom: 2rem;
    text-align: center;
}

.wishlist-progress-bar {
    height: 8px;
    background: rgba(232, 164, 184, 0.2);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 0.8rem;
}

.wishlist-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-pink), var(--soft-purple));
    border-radius: 4px;
    transition: width 0.5s ease;
}

.wishlist-progress-text {
    font-family: 'ZCOOL XiaoWei', serif;
    color: var(--text-light);
    font-size: 0.9rem;
}

.wish-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--warm-cream);
    border-radius: 12px;
    margin-bottom: 0.8rem;
    transition: all 0.3s ease;
}

.wish-item:hover {
    background: rgba(232, 164, 184, 0.15);
    transform: translateX(5px);
}

.wish-checkbox {
    width: 24px;
    height: 24px;
    border: 2px solid var(--primary-pink);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.wish-checkbox.checked {
    background: var(--primary-pink);
    border-color: var(--primary-pink);
}

.wish-checkbox.checked::after {
    content: '✓';
    color: white;
    font-size: 0.8rem;
}

.wish-text {
    font-family: 'ZCOOL XiaoWei', serif;
    color: var(--text-dark);
    flex: 1;
}

.wish-text.completed {
    text-decoration: line-through;
    opacity: 0.5;
}

/* ============ 甜蜜话语弹窗 ============ */
.sweet-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

.sweet-popup.show {
    opacity: 1;
    visibility: visible;
}

.sweet-popup-content {
    background: white;
    padding: 3rem 2.5rem;
    border-radius: 24px;
    max-width: 400px;
    text-align: center;
    transform: scale(0.8) translateY(30px);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
}

.sweet-popup.show .sweet-popup-content {
    transform: scale(1) translateY(0);
}

.sweet-popup-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: heartbeat 1.5s ease-in-out infinite;
}

.sweet-popup-text {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 1.8rem;
    color: var(--text-dark);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.sweet-popup-close {
    padding: 0.8rem 2rem;
    background: linear-gradient(135deg, var(--primary-pink), var(--soft-purple));
    color: white;
    border: none;
    border-radius: 30px;
    font-family: 'ZCOOL XiaoWei', serif;
    font-size: 1rem;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.sweet-popup-close:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(232, 164, 184, 0.4);
}

/* ============ EasterEgg（彩蛋通用 UI） ============ */
.finals-badge {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 1200;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(232, 164, 184, 0.35);
    backdrop-filter: blur(10px);
    border-radius: 999px;
    padding: 0.6rem 0.9rem;
    font-family: 'ZCOOL XiaoWei', serif;
    letter-spacing: 2px;
    color: var(--text-dark);
    box-shadow: 0 12px 30px rgba(232, 164, 184, 0.18);
    cursor: pointer;
    user-select: none;
}

.finals-badge:hover {
    transform: translateY(-2px);
}

.finals-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 99998;
}

.finals-modal.show {
    display: flex;
}

.finals-modal-card {
    width: min(420px, 92vw);
    background: white;
    border-radius: 22px;
    padding: 2rem 1.6rem;
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.25);
    text-align: center;
}

.finals-modal-title {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 2rem;
    margin-bottom: 0.8rem;
    color: var(--text-dark);
}

.finals-modal-content {
    font-family: 'Noto Serif SC', serif;
    color: var(--text-light);
    line-height: 1.9;
    white-space: pre-line;
}

.finals-modal-actions {
    margin-top: 1.4rem;
    display: flex;
    justify-content: center;
    gap: 0.8rem;
}

.finals-btn {
    padding: 0.7rem 1.2rem;
    border: none;
    border-radius: 999px;
    cursor: pointer;
    font-family: 'ZCOOL XiaoWei', serif;
    letter-spacing: 2px;
}

.finals-btn-primary {
    background: linear-gradient(135deg, var(--primary-pink), var(--soft-purple));
    color: white;
}

.finals-btn-secondary {
    background: rgba(232, 164, 184, 0.12);
    color: var(--text-dark);
}

.finals-stickers {
    margin-top: 1.2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    justify-content: center;
}

.finals-sticker {
    padding: 0.45rem 0.75rem;
    border-radius: 999px;
    background: rgba(250, 246, 242, 0.95);
    border: 1px solid rgba(232, 164, 184, 0.25);
    font-family: 'ZCOOL XiaoWei', serif;
    letter-spacing: 1px;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.2s ease;
}

.finals-sticker.done {
    background: rgba(127, 183, 126, 0.15);
    border-color: rgba(127, 183, 126, 0.35);
    color: #3d6b3d;
}

.finals-night-tip {
    position: fixed;
    left: 50%;
    bottom: 80px;
    transform: translateX(-50%);
    z-index: 1100;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(232, 164, 184, 0.25);
    backdrop-filter: blur(10px);
    border-radius: 999px;
    padding: 0.6rem 1rem;
    font-family: 'ZCOOL XiaoWei', serif;
    letter-spacing: 2px;
    color: var(--text-light);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.10);
}

/* ============ 烟花特效 ============ */
.firework-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 99997;
}

.firework {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    animation: firework-explode 1s ease-out forwards;
}

@keyframes firework-explode {
    0% {
        opacity: 1;
        transform: scale(0);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: scale(1) translateY(-100px);
    }
}

.firework-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    animation: particle-fly 1.5s ease-out forwards;
}

@keyframes particle-fly {
    0% {
        opacity: 1;
        transform: translate(0, 0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(var(--tx), var(--ty)) scale(0);
    }
}

/* ============ 纪念日横幅 ============ */
.anniversary-banner {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-pink), var(--soft-purple));
    color: white;
    padding: 1rem 2rem;
    border-radius: 30px;
    font-family: 'ZCOOL XiaoWei', serif;
    font-size: 1rem;
    letter-spacing: 2px;
    box-shadow: 0 10px 30px rgba(232, 164, 184, 0.4);
    z-index: 998;
    animation: banner-bounce 0.5s ease;
    display: none;
}

.anniversary-banner.show {
    display: block;
}

@keyframes banner-bounce {
    0% {
        transform: translateX(-50%) translateY(-50px);
        opacity: 0;
    }
    100% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
}