* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', 'Microsoft YaHei', sans-serif;
}

:root {
    /* 日间模式颜色（默认） */
    --light-primary-color: #f5a88e;
    --light-secondary-color: #e8a5c1;
    --light-tertiary-color: #f5d5c6;
    --light-text-color: #714e42;
    --light-bg: #fcf1e6;
    --light-card-bg: rgba(255, 247, 240, 0.7);
    --light-shadow: 0 10px 30px rgba(226, 178, 148, 0.2);
    --light-glow: 0 0 20px rgba(245, 168, 142, 0.5);
    --light-alive-color: #c17f91;
    --light-orbit-color: rgba(226, 178, 148, 0.2);
    --light-nav-bg: rgba(252, 241, 230, 0.8);
    --light-border-color: rgba(226, 178, 148, 0.2);
    --light-orb-color: #ff8fb3;
    --light-orb-glow: 0 0 25px rgba(255, 143, 179, 0.8);
    
    /* 夜间模式颜色 - 暖色调深色版本 */
    --dark-primary-color: #d4956a;
    --dark-secondary-color: #c78b9e;
    --dark-tertiary-color: #b8947a;
    --dark-text-color: #f5e6d3;
    --dark-bg: #1a1410;
    --dark-card-bg: rgba(35, 28, 22, 0.85);
    --dark-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    --dark-glow: 0 0 15px rgba(212, 149, 106, 0.3);
    --dark-alive-color: #e8a5c1;
    --dark-orbit-color: rgba(212, 149, 106, 0.15);
    --dark-nav-bg: rgba(26, 20, 16, 0.9);
    --dark-border-color: rgba(212, 149, 106, 0.15);
    --dark-orb-color: #d4956a;
    --dark-orb-glow: 0 0 20px rgba(212, 149, 106, 0.5);
    
    /* 默认使用日间模式变量 */
    --primary-color: var(--light-primary-color);
    --secondary-color: var(--light-secondary-color);
    --tertiary-color: var(--light-tertiary-color);
    --text-color: var(--light-text-color);
    --bg: var(--light-bg);
    --card-bg: var(--light-card-bg);
    --shadow: var(--light-shadow);
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --glow: var(--light-glow);
    --alive-color: var(--light-alive-color);
    --orbit-color: var(--light-orbit-color);
    --nav-bg: var(--light-nav-bg);
    --border-color: var(--light-border-color);
    --orb-color: var(--light-orb-color);
    --orb-glow: var(--light-orb-glow);
}

/* 夜间模式样式 */
body.dark-theme {
    --primary-color: var(--dark-primary-color);
    --secondary-color: var(--dark-secondary-color);
    --tertiary-color: var(--dark-tertiary-color);
    --text-color: var(--dark-text-color);
    --bg: var(--dark-bg);
    --card-bg: var(--dark-card-bg);
    --shadow: var(--dark-shadow);
    --glow: var(--dark-glow);
    --alive-color: var(--dark-alive-color);
    --orbit-color: var(--dark-orbit-color);
    --nav-bg: var(--dark-nav-bg);
    --border-color: var(--dark-border-color);
    --orb-color: var(--dark-orb-color);
    --orb-glow: var(--dark-orb-glow);
}

body {
    background: var(--bg);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    padding: 0;
    position: relative;
    overflow-x: hidden;
}

.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo a {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
}

.nav-item {
    margin-left: 2rem;
    position: relative;
}

.nav-item a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    padding: 0.5rem 0;
    transition: color 0.3s ease, transform 0.3s ease;
    position: relative;
    display: inline-block;
}

.nav-item a:hover {
    transform: translateY(-2px);
}

.nav-item a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
}

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

.nav-item a:hover::after,
.nav-item.active a::after {
    width: 100%;
}

.nav-item.active a {
    color: var(--primary-color);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-color);
    margin-bottom: 5px;
    border-radius: 3px;
    transition: all 0.3s;
}

/* 容器样式 */
.container {
    max-width: 1000px;
    width: 90%;
    margin: 0 auto;
    position: relative;
    z-index: 10;
    padding-top: 6rem;
}

/* 首页英雄区域 */
.hero-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: calc(100vh - 200px);
    padding: 3rem 0;
    position: relative;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    z-index: 2;
    padding-bottom: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-date {
    font-size: 1.1rem;
    color: var(--alive-color);
    margin-bottom: 1rem;
    letter-spacing: 1px;
    font-weight: 500;
    opacity: 0.9;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    position: relative;
}

.highlight-text {
    color: var(--primary-color);
    position: relative;
    display: inline-block;
    font-weight: 600;
}

.highlight-text::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
    border-radius: 2px;
    opacity: 0.3;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: rgba(113, 78, 66, 0.7);
    margin-bottom: 2.5rem;
    max-width: 80%;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 500;
    letter-spacing: 1px;
    text-decoration: none;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn:active {
    transform: translateY(1px);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    z-index: -1;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn:hover::before {
    width: 100%;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px rgba(245, 168, 142, 0.3);
}

.btn-primary::before {
    background: linear-gradient(45deg, var(--secondary-color), var(--primary-color));
}

.btn-secondary {
    background: transparent;
    color: var(--text-color);
    border: 2px solid var(--primary-color);
    box-shadow: 0 4px 15px rgba(245, 168, 142, 0.15);
}

.btn-secondary::before {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
}

.btn-glass {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--text-color);
    border: none;
    box-shadow: 
        inset 0 1px 1px rgba(255, 255, 255, 0.15),
        0 4px 20px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.btn-glass::before {
    content: '';
    position: absolute;
    inset: 0;
    padding: 1.5px;
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.4) 0%,
        rgba(255, 255, 255, 0.1) 50%,
        rgba(255, 255, 255, 0.05) 100%
    );
    -webkit-mask: 
        linear-gradient(#fff 0 0) content-box, 
        linear-gradient(#fff 0 0);
    mask: 
        linear-gradient(#fff 0 0) content-box, 
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    border-radius: 50px;
    pointer-events: none;
}

.btn-glass::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.12) 0%,
        transparent 50%,
        rgba(255, 255, 255, 0.03) 100%
    );
    border-radius: 50px;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.btn-glass span {
    position: relative;
    z-index: 2;
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
    box-shadow: 
        inset 0 1px 1px rgba(255, 255, 255, 0.2),
        0 8px 30px rgba(0, 0, 0, 0.12);
}

.btn-glass:hover::after {
    opacity: 0.8;
}

.btn-glass:active {
    transform: translateY(0);
    box-shadow: 
        inset 0 1px 1px rgba(255, 255, 255, 0.1),
        0 2px 10px rgba(0, 0, 0, 0.1);
}

body.dark-theme .btn-glass {
    background: rgba(255, 255, 255, 0.03);
    box-shadow: 
        inset 0 1px 1px rgba(255, 255, 255, 0.08),
        0 4px 20px rgba(0, 0, 0, 0.2);
}

body.dark-theme .btn-glass::before {
    background: linear-gradient(
        180deg,
        rgba(212, 149, 106, 0.3) 0%,
        rgba(199, 139, 158, 0.15) 50%,
        rgba(184, 148, 122, 0.08) 100%
    );
}

body.dark-theme .btn-glass::after {
    background: linear-gradient(
        135deg,
        rgba(212, 149, 106, 0.08) 0%,
        transparent 50%,
        rgba(199, 139, 158, 0.05) 100%
    );
}

body.dark-theme .btn-glass:hover {
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 
        inset 0 1px 1px rgba(255, 255, 255, 0.12),
        0 8px 30px rgba(0, 0, 0, 0.3);
}

.hero-visual {
    flex: 1;
    position: relative;
    height: 400px;
    max-width: 350px;
    margin-left: 0;
    margin-right: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateY(-60px);
    left: -30px;
}

/* 小球动画 */
.hero-visual::after {
    content: '';
    position: absolute;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, var(--primary-color) 0%, var(--secondary-color) 70%, var(--tertiary-color) 100%);
    top: 45%;
    right: 0%;
    box-shadow: 0 0 20px var(--secondary-color), inset 0 0 15px rgba(255, 255, 255, 0.6);
    animation: avoid-opposite 15s linear infinite, sphere-pulse 3s ease-in-out infinite;
    z-index: 25;
    opacity: 0.95;
    transform-style: preserve-3d;
}

/* 轨道动画 */
@keyframes avoid-orbit {
    0% { transform: rotate(0) translateX(80px) rotate(0); }
    15% { transform: rotate(54deg) translateX(90px) rotate(-54deg); }
    30% { transform: rotate(108deg) translateX(160px) rotate(-108deg); }
    45% { transform: rotate(162deg) translateX(180px) rotate(-162deg); }
    60% { transform: rotate(216deg) translateX(160px) rotate(-216deg); }
    75% { transform: rotate(270deg) translateX(120px) rotate(-270deg); }
    90% { transform: rotate(324deg) translateX(90px) rotate(-324deg); }
    100% { transform: rotate(360deg) translateX(80px) rotate(-360deg); }
}

@keyframes avoid-opposite {
    0% { transform: rotate(0) translateX(120px) rotate(0); }
    10% { transform: rotate(-36deg) translateX(150px) rotate(36deg); }
    20% { transform: rotate(-72deg) translateX(180px) rotate(72deg); }
    30% { transform: rotate(-108deg) translateX(220px) rotate(108deg); }
    40% { transform: rotate(-144deg) translateX(260px) rotate(144deg); }
    50% { transform: rotate(-180deg) translateX(300px) rotate(180deg); }
    60% { transform: rotate(-216deg) translateX(260px) rotate(216deg); }
    70% { transform: rotate(-252deg) translateX(220px) rotate(252deg); }
    80% { transform: rotate(-288deg) translateX(180px) rotate(288deg); }
    90% { transform: rotate(-324deg) translateX(150px) rotate(324deg); }
    100% { transform: rotate(-360deg) translateX(120px) rotate(360deg); }
}

@keyframes avoid-path {
    0% { transform: rotate(0) translateX(140px) rotate(0); }
    20% { transform: rotate(72deg) translateX(150px) rotate(-72deg); }
    30% { transform: rotate(108deg) translateX(190px) rotate(-108deg); }
    40% { transform: rotate(144deg) translateX(210px) rotate(-144deg); }
    50% { transform: rotate(180deg) translateX(190px) rotate(-180deg); }
    60% { transform: rotate(216deg) translateX(170px) rotate(-216deg); }
    70% { transform: rotate(252deg) translateX(150px) rotate(-252deg); }
    85% { transform: rotate(306deg) translateX(140px) rotate(-306deg); }
    100% { transform: rotate(360deg) translateX(140px) rotate(-360deg); }
}

.orbiting-circle {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 0 none;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: rotate 20s linear infinite;
    box-shadow: none;
    opacity: 0.90;
    pointer-events: none;
    z-index: 25;
}

/* Moon Cat 占位图片 - 不播放时显示 */
.moon-cat-placeholder {
    position: absolute;
    width: 220px;
    height: 220px;
    top: 40%;
    left: 50%;
    transform: translate(calc(-50% + 130px), calc(-50% + 55px));
    z-index: 19;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, transform 0.5s ease;
    cursor: pointer;
}

.moon-cat-placeholder:hover {
    transform: translate(calc(-50% + 130px), calc(-50% + 55px)) scale(1.05);
}

.moon-cat-placeholder:hover .moon-cat-img {
    filter: drop-shadow(0 0 30px rgba(245, 168, 142, 0.5));
}

.moon-cat-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
    filter: drop-shadow(0 0 20px rgba(245, 168, 142, 0.3));
    animation: gentle-float 4s ease-in-out infinite;
}

@keyframes gentle-float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-8px) rotate(2deg);
    }
}

/* 播放时隐藏图片，显示唱片机 */
.moon-cat-placeholder.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translate(calc(-50% + 130px), calc(-50% + 55px)) scale(0.9);
}

/* 黑胶唱片机容器 - 默认隐藏 */
.vinyl-player {
    position: absolute;
    width: 280px;
    height: 280px;
    top: 35%;
    left: 50%;
    transform: translate(calc(-50% + 130px), calc(-50% + 55px));
    z-index: 20;
    cursor: pointer;
    transition: transform 0.3s ease, opacity 0.5s ease;
    opacity: 0;
    pointer-events: none;
}

/* 播放时显示唱片机 */
.vinyl-player.visible {
    opacity: 1;
    pointer-events: auto;
}

.vinyl-player:hover {
    transform: translate(calc(-50% + 130px), calc(-50% + 55px)) scale(1.03);
}

/* 黑胶唱片 */
.vinyl-record {
    position: absolute;
    width: 220px;
    height: 220px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: 
        radial-gradient(circle at center, 
            #1a1a1a 0%, 
            #1a1a1a 15%,
            #2a2a2a 15.5%,
            #1a1a1a 16%,
            #2a2a2a 30%,
            #1a1a1a 31%,
            #2a2a2a 45%,
            #1a1a1a 46%,
            #2a2a2a 60%,
            #1a1a1a 61%,
            #2a2a2a 75%,
            #1a1a1a 76%,
            #2a2a2a 90%,
            #1a1a1a 100%
        );
    box-shadow: 
        0 0 0 3px #333,
        0 0 20px rgba(0, 0, 0, 0.4),
        inset 0 0 30px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease;
}

.vinyl-record.playing {
    animation: vinyl-spin 3s linear infinite;
}

@keyframes vinyl-spin {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* 唱片纹理 */
.vinyl-grooves {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: repeating-radial-gradient(
        circle at center,
        transparent 0px,
        transparent 1px,
        rgba(255, 255, 255, 0.03) 2px,
        transparent 3px
    );
}

/* 唱片标签 */
.vinyl-label {
    position: absolute;
    width: 70px;
    height: 70px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.vinyl-label-text {
    font-size: 1.8rem;
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    transition: opacity 0.3s ease;
}

.vinyl-label.playing .vinyl-label-text {
    opacity: 0;
}

.vinyl-label-img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.vinyl-label.playing .vinyl-label-img {
    opacity: 1;
}

/* 唱片中心孔 */
.vinyl-center {
    position: absolute;
    width: 8px;
    height: 8px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: #333;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* ========================================
   唱臂组件 - 带有底座、臂杆和唱头的完整唱臂设计
   ======================================== */

/* 唱臂整体容器 */
.vinyl-tonearm {
    position: absolute;      /* 绝对定位 */
    top: 8%;                /* 距离顶部的距离 - 调整此值改变唱臂整体垂直位置 */
    right: 4%;               /* 距离右边的距离 - 调整此值改变唱臂整体水平位置 */
    z-index: 10;             /* 层级，确保在唱片上方 */
    transform-origin: top right;  /* 旋转中心点 - 设为右上角（底座位置） */
    transition: transform 0.5s ease;  /* 播放时旋转的过渡动画 */
}

/* 播放状态 - 唱臂旋转到唱片上 */
.vinyl-player.playing .vinyl-tonearm {
    transform: rotate(-50deg);  /* 播放时旋转角度 - 调整此值改变唱臂落下的位置 */
}

/* 唱臂底座 - 固定在唱片机上的圆形基座 */
.tonearm-base {
    width: 20px;              /* 底座宽度 */
    height: 20px;             /* 底座高度 */
    background: linear-gradient(135deg, #666, #444);  /* 金属渐变效果 */
    border-radius: 50%;       /* 圆形 */
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);  /* 阴影 */
}

/* 唱臂臂杆 - 连接底座和唱头的杆子 */
.tonearm-arm {
    position: absolute;       /* 相对于底座定位 */
    width: 90px;              /* 臂杆长度 - 调整此值改变臂杆长度 */
    height: 6px;              /* 臂杆粗细 */
    background: linear-gradient(to bottom, #888, #555);  /* 金属渐变 */
    top: 10px;                /* 距离底座顶部的距离 */
    right: 10px;              /* 距离底座右边的距离 */
    border-radius: 3px;       /* 圆角 */
    transform: rotate(10deg);  /* 初始角度 - 调整此值改变臂杆初始倾斜角度 */
    transform-origin: top right;  /* 旋转中心点 - 设为连接底座的一端 */
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);  /* 阴影 */
}

/* 唱头 - 臂杆末端的唱针头 */
.tonearm-head {
    position: absolute;       /* 相对于臂杆末端定位 */
    width: 12px;              /* 唱头宽度 */
    height: 18px;             /* 唱头高度 */
    background: linear-gradient(135deg, #777, #444);  /* 金属渐变 */
    left: -85px;              /* 定位到臂杆末端（臂杆宽度90px） */
    top: -70%;                /* 定位到臂杆下方 */
    transform: rotate(120deg);  /* 旋转使唱头垂直向下（与臂杆20deg角度配合） */
    border-radius: 2px 2px 4px 4px;  /* 圆角 */
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);  /* 阴影 */
}

/* 唱针 - 唱头下方的细针 */
.tonearm-head::after {
    content: '';              /* 伪元素 */
    position: absolute;       /* 相对于唱头定位 */
    width: 2px;               /* 唱针粗细 */
    height: 10px;             /* 唱针长度 */
    background: #333;         /* 颜色 */
    bottom: -6px;             /* 从唱头底部延伸出去的距离 */
    left: 50%;                /* 水平居中 */
    transform: translateX(-50%);  /* 居中修正 */
    border-radius: 0 0 1px 1px;  /* 底部圆角 */
}

/* 控制按钮 */
.vinyl-controls {
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
}

.vinyl-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(245, 168, 142, 0.3);
    transition: all 0.3s ease;
}

.vinyl-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(245, 168, 142, 0.4);
}

.vinyl-btn:active {
    transform: scale(0.95);
}

/* 状态提示 */
.vinyl-status {
    position: absolute;
    bottom: -80px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.85rem;
    color: var(--text-color);
    opacity: 0.8;
    white-space: nowrap;
    transition: opacity 0.3s ease;
}

/* 暗色主题适配 */
body.dark-theme .vinyl-record {
    box-shadow: 
        0 0 0 3px #222,
        0 0 30px rgba(212, 149, 106, 0.2),
        inset 0 0 30px rgba(0, 0, 0, 0.6);
}

body.dark-theme .vinyl-btn {
    box-shadow: 0 4px 15px rgba(212, 149, 106, 0.3);
}

body.dark-theme .vinyl-btn:hover {
    box-shadow: 0 6px 20px rgba(212, 149, 106, 0.4);
}

footer {
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
    position: relative;
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.8;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--primary-color), transparent);
}

/* 基础动画 */
@keyframes pulse {
    0% {
        opacity: 0.1;
        transform: scale(1);
    }
    50% {
        opacity: 0.2;
        transform: scale(1.2);
    }
    100% {
        opacity: 0.1;
        transform: scale(1);
    }
}

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

@keyframes rotate {
    0% { transform: rotate(0); }
    100% { transform: rotate(360deg); }
}

/* 球体脉冲动画 */
@keyframes sphere-pulse {
    0% {
        box-shadow: 0 0 20px var(--secondary-color), inset 0 0 15px rgba(255, 255, 255, 0.6);
        opacity: 0.95;
    }
    50% {
        box-shadow: 0 0 30px var(--secondary-color), inset 0 0 25px rgba(255, 255, 255, 0.8);
        opacity: 1;
    }
    100% {
        box-shadow: 0 0 20px var(--secondary-color), inset 0 0 15px rgba(255, 255, 255, 0.6);
        opacity: 0.95;
    }
}

/* 夜间模式球体样式 */
body.dark-theme .hero-visual::after {
    background: radial-gradient(circle at 30% 30%, var(--primary-color) 0%, var(--secondary-color) 70%, var(--tertiary-color) 100%);
    box-shadow: 0 0 25px var(--secondary-color), inset 0 0 20px rgba(255, 255, 255, 0.5);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero-section {
        flex-direction: column;
        text-align: center;
        padding-top: 2rem;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-subtitle {
        margin: 0 auto 2rem;
        max-width: 100%;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-visual {
        margin-left: auto;
        margin-right: auto;
        margin-top: -30px;
        transform: translateY(0);
        height: 350px;
        left: 0;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        flex-direction: column;
        background: var(--nav-bg);
        backdrop-filter: blur(10px);
        width: 80%;
        height: 100vh;
        padding-top: 5rem;
        transition: left 0.3s ease;
        z-index: 900;
        box-shadow: 5px 0 15px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-item {
        margin: 1.5rem 0;
        width: 100%;
        text-align: center;
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1000;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -6px);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-visual {
        margin-top: 10px;
        transform: translateY(0);
        height: 300px;
        left: 0;
    }
    
    .orbiting-circle {
        width: 200px;
        height: 200px;
        top: 50%;
    }
    
    .hero-visual::after {
        width: 30px;
        height: 30px;
        right: 25%;
        top: 55%;
        animation: avoid-opposite 15s linear infinite, sphere-pulse 3s ease-in-out infinite;
    }
    
    body.dark-theme .nav-menu {
        box-shadow: 5px 0 25px rgba(0, 0, 0, 0.3);
    }
    
    .vinyl-player {
        width: 240px;
        height: 240px;
        transform: translate(calc(-50% + 120px), calc(-50% + 55px));
    }
    
    .vinyl-player:hover {
        transform: translate(calc(-50% + 120px), calc(-50% + 55px)) scale(1.03);
    }
    
    .vinyl-player.visible:hover {
        transform: translate(calc(-50% + 120px), calc(-50% + 55px)) scale(1.03);
    }
    
    .moon-cat-placeholder {
        width: 180px;
        height: 180px;
        transform: translate(calc(-50% + 120px), calc(-50% + 55px));
    }
    
    .moon-cat-placeholder:hover {
        transform: translate(calc(-50% + 120px), calc(-50% + 55px)) scale(1.05);
    }
    
    .moon-cat-placeholder.hidden {
        transform: translate(calc(-50% + 120px), calc(-50% + 55px)) scale(0.9);
    }
    
    .vinyl-record {
        width: 180px;
        height: 180px;
    }
    
    .vinyl-label {
        width: 55px;
        height: 55px;
    }
    
    .vinyl-label-text {
        font-size: 1.4rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 1rem;
    }
    
    .container {
        padding-top: 5rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-visual {
        margin-top: 20px;
        transform: translateY(0);
        height: 250px;
    }
    
    .orbiting-circle {
        width: 180px;
        height: 180px;
        top: 45%;
    }
    
    .hero-visual::after {
        width: 15px;
        height: 15px;
        right: 22%;
        top: 42%;
    }
    
    .vinyl-player {
        width: 200px;
        height: 200px;
        transform: translate(calc(-50% + 100px), calc(-50% + 45px));
    }
    
    .vinyl-player:hover {
        transform: translate(calc(-50% + 100px), calc(-50% + 45px)) scale(1.03);
    }
    
    .vinyl-player.visible:hover {
        transform: translate(calc(-50% + 100px), calc(-50% + 45px)) scale(1.03);
    }
    
    .moon-cat-placeholder {
        width: 150px;
        height: 150px;
        transform: translate(calc(-50% + 100px), calc(-50% + 45px));
    }
    
    .moon-cat-placeholder:hover {
        transform: translate(calc(-50% + 100px), calc(-50% + 45px)) scale(1.05);
    }
    
    .moon-cat-placeholder.hidden {
        transform: translate(calc(-50% + 100px), calc(-50% + 45px)) scale(0.9);
    }
    
    .vinyl-record {
        width: 150px;
        height: 150px;
    }
    
    .vinyl-label {
        width: 45px;
        height: 45px;
    }
    
    .vinyl-label-text {
        font-size: 1.2rem;
    }
    
    .tonearm-arm {
        width: 60px;
    }
    
    .vinyl-btn {
        width: 38px;
        height: 38px;
        font-size: 0.9rem;
    }
    
    .vinyl-status {
        font-size: 0.75rem;
    }
}

/* 夜间模式覆盖样式 */
body.dark-theme .hero-title {
    color: var(--text-color);
}

body.dark-theme .hero-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

body.dark-theme .highlight-text {
    color: var(--primary-color);
}

body.dark-theme .highlight-text::after {
    background: var(--primary-color);
}

body.dark-theme .orbiting-circle {
    box-shadow: none;
}

/* 星星效果 */
.star {
    position: absolute;
    width: 3px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 50%;
    animation: twinkle 3s infinite;
    z-index: 1;
    opacity: 0.7;
}

.star:nth-child(2n) {
    background-color: var(--secondary-color);
    animation-delay: 0.5s;
}

.star:nth-child(3n) {
    background-color: var(--tertiary-color);
    animation-delay: 1s;
}

.star:nth-child(4n) {
    animation-delay: 1.5s;
}

.star:nth-child(5n) {
    animation-delay: 2s;
}

@keyframes twinkle {
    0% { opacity: 0.2; transform: scale(0.5); }
    50% { opacity: 0.8; transform: scale(1.2); }
    100% { opacity: 0.2; transform: scale(0.5); }
}

/* 辉光效果 - 已简化 */

/* 悬浮装饰元素 - 已简化 */

/* 页脚装饰 */
.footer-decoration {
    width: 100%;
    height: 40px;
    margin-top: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0.8;
}

.footer-cat {
    width: 30px;
    height: 30px;
    margin: 0 10px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M50,20 A30,30 0 1,0 80,50 A20,30 0 0,1 50,20" fill="%23f5a88e" stroke="%23c17f91" stroke-width="2" /><circle cx="65" cy="40" r="2" fill="%23714e42" /><circle cx="75" cy="50" r="2" fill="%23714e42" /><path d="M67,55 Q70,58 73,55" fill="none" stroke="%23714e42" stroke-width="2" stroke-linecap="round" /><path d="M55,35 L60,30 M80,45 L85,42" stroke="%23c17f91" stroke-width="2" stroke-linecap="round" /></svg>');
    background-repeat: no-repeat;
    animation: gentle-bounce 2s ease-in-out infinite;
}

.footer-star {
    width: 15px;
    height: 15px;
    margin: 0 8px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M12,2 L15,8 L21,9 L16.5,14 L18,20 L12,17 L6,20 L7.5,14 L3,9 L9,8 Z" fill="%23f5a88e" stroke="%23c17f91" stroke-width="0.5" /></svg>');
    background-repeat: no-repeat;
    animation: twinkle 3s ease-in-out infinite;
}

/* 动画效果 */
@keyframes float {
    0% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-10px) rotate(5deg);
    }
    100% {
        transform: translateY(0) rotate(0deg);
    }
}

@keyframes twinkle {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1) rotate(15deg);
    }
    50% {
        opacity: 1;
        transform: scale(1.2) rotate(25deg);
    }
}

@keyframes gentle-bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

/* 暖色背景装饰 */
.warm-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(245, 168, 142, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    pointer-events: none;
    z-index: 0;
}

.warm-glow.top-left {
    top: -100px;
    left: -100px;
}

.warm-glow.bottom-right {
    bottom: -100px;
    right: -100px;
}

/* 鼠标悬停增强效果 */
.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 168, 142, 0.25);
}

.hero-title {
    position: relative;
}

.hero-title::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 3px;
    bottom: -5px;
    left: 0;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.5s ease;
}

.hero-title:hover::after {
    transform: scaleX(1);
}

/* 小屏幕调整 */
@media (max-width: 768px) {
    .floating-decoration {
        display: none;
    }
    
    .footer-decoration {
        height: 30px;
    }
}