/* ShadowRoom Music - 黑白霓虹灯主题 */

/* CSS 变量定义 */
:root {
    --black: #000000;
    --dark-gray: #0a0a0a;
    --medium-gray: #1a1a1a;
    --light-gray: #333333;
    --lighter-gray: #666666;
    --white: #ffffff;
    --off-white: #e0e0e0;
    --border-gray: #2a2a2a;
    --hover-gray: #3a3a3a;
    
    /* 霓虹灯发光变量 */
    --neon-glow: rgba(255, 255, 255, 0.95);
    --neon-glow-soft: rgba(255, 255, 255, 0.7);
    --neon-glow-dim: rgba(255, 255, 255, 0.4);
    
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 32px;
    --spacing-xl: 64px;
}

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--black);
    color: var(--white);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

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

/* ========== 导航栏 ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-gray);
    transition: all 0.4s ease;
    transform: translateY(0);
}

.navbar-content,
.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--white);
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    /* 霓虹灯文字效果 */
    text-shadow: 
        0 0 4px rgba(255, 255, 255, 0.9),
        0 0 8px rgba(255, 255, 255, 0.7),
        0 0 12px rgba(255, 255, 255, 0.5);
}

.nav-logo:hover {
    text-shadow: 
        0 0 6px rgba(255, 255, 255, 1),
        0 0 12px rgba(255, 255, 255, 0.9),
        0 0 20px rgba(255, 255, 255, 0.7),
        0 0 30px rgba(255, 255, 255, 0.5);
}

/* 导航栏 Logo 图片（如果有） */
.logo-img {
    height: 35px;
    width: auto;
}

.navbar .logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.nav-links a {
    color: var(--lighter-gray);
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    position: relative;
}

.nav-links a:hover {
    color: var(--white);
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
}

.user-display {
    color: var(--white);
    font-size: 0.85rem;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--light-gray);
    border-radius: 4px;
    /* 霓虹灯效果 */
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

/* ========== 黑暗 Hero 区域 - 霓虹灯效果 ========== */
.hero-dark {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* 砖墙背景 - 暗色调 */
.dark-wall {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.wall-texture {
    position: absolute;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(180deg, #050505 0%, #0a0a0a 50%, #050505 100%),
        repeating-linear-gradient(
            0deg,
            transparent 0px,
            transparent 35px,
            rgba(255, 255, 255, 0.03) 35px,
            rgba(255, 255, 255, 0.03) 37px
        ),
        repeating-linear-gradient(
            90deg,
            transparent 0px,
            transparent 70px,
            rgba(255, 255, 255, 0.02) 70px,
            rgba(255, 255, 255, 0.02) 72px
        );
    background-size: cover, 100% 37px, 72px 100%;
}

.wall-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(20, 20, 20, 0.3) 0%, rgba(0, 0, 0, 0.95) 100%);
}

/* 中心内容区 */
.hero-center {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding-top: 5vh;
}

/* Logo 容器 - 霓虹灯效果 */
.logo-light-container {
    position: relative;
    width: 300px;
    height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: 0;
}

/* Logo 霓虹灯层 */
.logo-neon {
    position: relative;
    width: 160px;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
}

/* Logo 图片 - 霓虹灯发光效果 */
.hero-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    /* 使用 mix-blend-mode: screen 让黑色变透明，只保留白色发光 */
    mix-blend-mode: screen;
    /* 多层白色发光阴影 */
    filter: 
        drop-shadow(0 0 4px rgba(255, 255, 255, 0.95))
        drop-shadow(0 0 8px rgba(255, 255, 255, 0.85))
        drop-shadow(0 0 15px rgba(255, 255, 255, 0.7))
        drop-shadow(0 0 25px rgba(255, 255, 255, 0.55))
        drop-shadow(0 0 40px rgba(255, 255, 255, 0.4));
    animation: logo-glow 3s ease-in-out infinite;
}

@keyframes logo-glow {
    0%, 100% {
        filter: 
            drop-shadow(0 0 4px rgba(255, 255, 255, 0.95))
            drop-shadow(0 0 8px rgba(255, 255, 255, 0.85))
            drop-shadow(0 0 15px rgba(255, 255, 255, 0.7))
            drop-shadow(0 0 25px rgba(255, 255, 255, 0.55))
            drop-shadow(0 0 40px rgba(255, 255, 255, 0.4));
        opacity: 1;
    }
    50% {
        filter: 
            drop-shadow(0 0 5px rgba(255, 255, 255, 1))
            drop-shadow(0 0 11px rgba(255, 255, 255, 0.9))
            drop-shadow(0 0 20px rgba(255, 255, 255, 0.8))
            drop-shadow(0 0 32px rgba(255, 255, 255, 0.65))
            drop-shadow(0 0 50px rgba(255, 255, 255, 0.5));
        opacity: 1;
    }
    92% {
        opacity: 1;
    }
    94% {
        opacity: 0.9;
    }
    96% {
        opacity: 1;
    }
}

/* 墙面反射光 */
.logo-wall-reflection {
    position: absolute;
    width: 350px;
    height: 350px;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.08) 0%, transparent 60%);
    filter: blur(40px);
    animation: wall-glow 4s ease-in-out infinite;
    z-index: 2;
}

@keyframes wall-glow {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

/* Logo 闪烁层 */
.logo-flicker {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.06) 0%, transparent 50%);
    animation: flicker 5s infinite;
    pointer-events: none;
    z-index: 3;
}

@keyframes flicker {
    0%, 100% { opacity: 0.4; }
    92% { opacity: 0.4; }
    93% { opacity: 0.6; }
    94% { opacity: 0.3; }
    95% { opacity: 0.5; }
    96% { opacity: 0.4; }
}

/* 主标题 - 霓虹灯文字效果 */
.neon-text {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 15px;
    color: var(--white);
    text-transform: uppercase;
    display: flex;
    gap: 10px;
    margin-top: var(--spacing-md);
    /* 多层发光模拟霓虹灯管 */
    text-shadow: 
        0 0 4px rgba(255, 255, 255, 0.9),
        0 0 8px rgba(255, 255, 255, 0.8),
        0 0 12px rgba(255, 255, 255, 0.7),
        0 0 18px rgba(255, 255, 255, 0.6),
        0 0 30px rgba(255, 255, 255, 0.45),
        0 0 50px rgba(255, 255, 255, 0.3);
    animation: text-flicker 4s infinite;
}

.neon-letter {
    display: inline-block;
    animation: letter-glow 2.5s ease-in-out infinite;
}

.neon-letter:nth-child(odd) {
    animation-delay: 0.05s;
}

.neon-letter:nth-child(even) {
    animation-delay: 0.1s;
}

@keyframes letter-glow {
    0%, 100% {
        text-shadow: 
            0 0 4px rgba(255, 255, 255, 0.9),
            0 0 8px rgba(255, 255, 255, 0.8),
            0 0 12px rgba(255, 255, 255, 0.7),
            0 0 18px rgba(255, 255, 255, 0.6);
    }
    50% {
        text-shadow: 
            0 0 6px rgba(255, 255, 255, 1),
            0 0 12px rgba(255, 255, 255, 0.9),
            0 0 18px rgba(255, 255, 255, 0.8),
            0 0 26px rgba(255, 255, 255, 0.7),
            0 0 40px rgba(255, 255, 255, 0.5);
    }
}

@keyframes text-flicker {
    0%, 100% { opacity: 1; }
    94% { opacity: 1; }
    95% { opacity: 0.88; }
    96% { opacity: 1; }
    97% { opacity: 0.92; }
    98% { opacity: 1; }
}

.neon-space {
    width: 0.4em;
}

/* 副标题 */
.hero-tagline {
    font-size: 0.9rem;
    color: var(--lighter-gray);
    letter-spacing: 6px;
    text-transform: uppercase;
    margin-top: var(--spacing-sm);
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.2);
}

/* 音频可视化装饰 - 黑白 */
.hero-audio-viz {
    margin-top: var(--spacing-lg);
    opacity: 0.6;
}

/* 霓虹按钮 - 灯牌风格 */
.btn-neon {
    position: relative;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.5);
    color: var(--white);
    text-decoration: none;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 0.85rem;
    letter-spacing: 3px;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s ease;
    text-transform: uppercase;
    margin-top: var(--spacing-md);
    /* 发光边框 */
    box-shadow: 
        0 0 8px rgba(255, 255, 255, 0.3),
        inset 0 0 8px rgba(255, 255, 255, 0.1);
}

.btn-neon:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--white);
    box-shadow: 
        0 0 20px rgba(255, 255, 255, 0.5),
        0 0 40px rgba(255, 255, 255, 0.3),
        inset 0 0 15px rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.btn-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: btn-shine 4s infinite;
}

@keyframes btn-shine {
    0% { left: -100%; }
    50%, 100% { left: 100%; }
}

/* 环境光效 */
.ambient-light {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40%;
    background: radial-gradient(ellipse at center bottom, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

/* 滚动提示 */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--lighter-gray);
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0.6;
    animation: fadeInUp 1s ease 2s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
    to {
        opacity: 0.6;
        transform: translateX(-50%) translateY(0);
    }
}

.scroll-mouse {
    width: 24px;
    height: 36px;
    border: 2px solid var(--lighter-gray);
    border-radius: 12px;
    position: relative;
}

.scroll-wheel {
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--white);
    border-radius: 2px;
    animation: scrollWheel 2s ease infinite;
}

@keyframes scrollWheel {
    0%, 100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    50% {
        opacity: 0.3;
        transform: translateX(-50%) translateY(8px);
    }
}

/* ========== 关于部分 ========== */
.section {
    position: relative;
    z-index: 10;
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--border-gray);
    background: linear-gradient(180deg, transparent 0%, rgba(10, 10, 10, 0.8) 100%);
}

.section-title {
    font-size: 1.6rem;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    letter-spacing: 12px;
    text-transform: uppercase;
    color: var(--white);
    font-weight: 600;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    /* 霓虹灯效果 */
    text-shadow: 
        0 0 4px rgba(255, 255, 255, 0.8),
        0 0 8px rgba(255, 255, 255, 0.6),
        0 0 15px rgba(255, 255, 255, 0.4);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.about-card {
    background: var(--medium-gray);
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    border: 1px solid var(--border-gray);
    border-radius: 8px;
    transition: all 0.4s ease;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.about-card:hover {
    border-color: rgba(255, 255, 255, 0.5);
    background: var(--light-gray);
    transform: translateY(-5px);
    /* 霓虹灯发光 */
    box-shadow: 
        0 10px 40px rgba(0, 0, 0, 0.5),
        0 0 20px rgba(255, 255, 255, 0.15),
        0 0 40px rgba(255, 255, 255, 0.1);
}

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.about-card:hover .card-glow {
    opacity: 1;
}

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.8;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
    transition: all 0.3s ease;
}

.about-card:hover .card-icon {
    filter: drop-shadow(0 0 15px rgba(255, 255, 255, 0.5));
    transform: scale(1.1);
}

.about-card h3 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-weight: 400;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
}

.about-card p {
    color: var(--lighter-gray);
    font-size: 0.85rem;
    line-height: 1.8;
}

/* ========== Apple Style Card (Simple Hover Lift) ========== */
.slide-card {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    background: var(--medium-gray);
    border: 1px solid var(--border-gray);
    height: 280px;
    cursor: pointer;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                box-shadow 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                border-color 0.5s ease;
}

.slide-card:hover {
    transform: translateY(-12px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6), 0 0 50px rgba(255, 255, 255, 0.08);
}

.slide-content {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide-front,
.slide-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-lg);
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide-front h3 {
    color: var(--white);
    font-size: 1.1rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide-short {
    color: var(--lighter-gray);
    font-size: 0.85rem;
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide-back {
    background: var(--dark-gray);
    transform: translateY(100%);
    opacity: 0;
}

.slide-back h3 {
    color: var(--white);
    font-size: 1rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-weight: 400;
    margin-bottom: var(--spacing-md);
}

.slide-back p {
    color: var(--lighter-gray);
    font-size: 0.85rem;
    line-height: 1.8;
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.slide-tag {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Hover: front slides up and fades, back slides up */
.slide-card:hover .slide-front {
    transform: translateY(-160%);
    opacity: 0;
}

.slide-card:hover .slide-icon {
    transform: translateY(-15px) scale(1.15);
}

.slide-card:hover .slide-front h3 {
    transform: translateY(-15px);
}

.slide-card:hover .slide-front .slide-short {
    transform: translateY(-15px);
    opacity: 0;
}

.slide-card:hover .slide-back {
    transform: translateY(0);
    opacity: 1;
}

/* ========== Streaming Platforms Marquee ========== */
.streaming-section {
    padding: 48px 0;
    background: var(--dark-gray);
    border-top: 1px solid var(--border-gray);
    border-bottom: 1px solid var(--border-gray);
    overflow: hidden;
    position: relative;
}

/* Fade overlays for marquee edges - more compatible than mask-image */
.streaming-section::before,
.streaming-section::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 60px;
    z-index: 2;
    pointer-events: none;
}

.streaming-section::before {
    left: 0;
    background: linear-gradient(to right, var(--dark-gray), transparent);
}

.streaming-section::after {
    right: 0;
    background: linear-gradient(to left, var(--dark-gray), transparent);
}

.streaming-marquee {
    display: flex;
    overflow: hidden;
}

.streaming-track {
    display: flex;
    gap: 80px;
    animation: marquee 35s linear infinite;
    will-change: transform;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.streaming-item {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    padding: 0 12px;
}

.streaming-name {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.35);
    letter-spacing: 0.3px;
    white-space: nowrap;
}

/* ========== Mobile Streaming Marquee ========== */
@media (max-width: 768px) {
    .streaming-section {
        padding: 32px 0;
    }

    .streaming-track {
        gap: 40px;
        animation-duration: 20s;
    }

    .streaming-name {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .streaming-section {
        padding: 24px 0;
    }

    .streaming-track {
        gap: 30px;
        animation-duration: 15s;
    }

    .streaming-name {
        font-size: 0.8rem;
    }
}

/* ========== 艺人展示部分 ========== */
.artists {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.9) 0%, rgba(10, 10, 10, 0.95) 100%);
}

.artists-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.artist-card {
    position: relative;
    text-align: center;
    transition: all 0.4s ease;
}

a.artist-card {
    text-decoration: none;
    color: inherit;
    display: block;
}

a.artist-card:hover {
    color: inherit;
}

.artist-image {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--border-gray);
    margin-bottom: var(--spacing-md);
    transition: all 0.4s ease;
}

.artist-card:hover .artist-image {
    border-color: var(--white);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.artist-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: transform 0.5s ease, filter 0.3s ease;
}

.artist-card:hover .artist-image img {
    transform: scale(1.1);
    filter: grayscale(0%);
}

.artist-overlay {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.artist-card:hover .artist-overlay {
    opacity: 1;
}

.artist-card h3 {
    color: var(--white);
    font-size: 1.1rem;
    letter-spacing: 3px;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    font-weight: 400;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
}

.artist-card p {
    color: var(--lighter-gray);
    font-size: 0.8rem;
    letter-spacing: 1px;
}

/* ========== 最新发布 ========== */
.releases {
    background: linear-gradient(180deg, rgba(10, 10, 10, 0.95) 0%, rgba(0, 0, 0, 0.9) 100%);
}

.releases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.release-card {
    background: var(--medium-gray);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.4s ease;
    position: relative;
    border: 1px solid var(--border-gray);
}

.release-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.5),
        0 0 30px rgba(255, 255, 255, 0.15);
}

.release-cover {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 10px 10px 0 0;
}

.release-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: transform 0.5s ease, filter 0.3s ease;
}

.release-card:hover .release-cover img {
    transform: scale(1.1);
    filter: grayscale(0%);
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: rgba(0, 0, 0, 0.7);
    border: 2px solid rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.play-button:hover {
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%) scale(1.1);
}

.play-button span {
    color: var(--white);
    font-size: 18px;
    line-height: 1;
}

.progress-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 5;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, rgba(255,255,255,0.6), rgba(255,255,255,0.9));
    transition: width 0.1s linear;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.release-info {
    padding: var(--spacing-md);
}

.release-info h3 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 1px;
    font-weight: 400;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.3);
}

.release-info p {
    color: var(--lighter-gray);
    font-size: 0.8rem;
    margin-bottom: var(--spacing-sm);
}

.release-date {
    color: var(--light-gray);
    font-size: 0.75rem;
    letter-spacing: 1px;
}

/* ========== 页脚 ========== */
.footer {
    position: relative;
    z-index: 10;
    background: linear-gradient(180deg, rgba(10, 10, 10, 0.98) 0%, rgba(0, 0, 0, 1) 100%);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    border-top: 1px solid var(--border-gray);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-weight: 400;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
}

.footer-section p {
    color: var(--lighter-gray);
    font-size: 0.8rem;
    margin-bottom: var(--spacing-sm);
}

.footer-logo {
    margin-top: var(--spacing-md);
}

.footer-logo svg {
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.social-links a {
    color: var(--lighter-gray);
    text-decoration: none;
    font-size: 0.8rem;
    transition: all 0.3s ease;
    letter-spacing: 1px;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-gray);
    border-radius: 4px;
}

.social-links a:hover {
    color: var(--white);
    border-color: var(--white);
    background: var(--white);
    color: var(--black);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-gray);
    color: var(--lighter-gray);
    font-size: 0.75rem;
    letter-spacing: 1px;
}

.footer-links {
    margin-top: var(--spacing-md);
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
}

.footer-links a {
    color: var(--lighter-gray);
    text-decoration: none;
    font-size: 0.75rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--white);
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
}

/* ========== 模态框 ========== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--medium-gray);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-gray);
    border-radius: 12px;
    max-width: 450px;
    width: 90%;
    position: relative;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.8),
        0 0 40px rgba(255, 255, 255, 0.1);
    transform: scale(0.8) translateY(50px);
    opacity: 0;
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.4s ease;
}

.modal.active .modal-content {
    transform: scale(1) translateY(0);
    opacity: 1;
}

.close {
    position: absolute;
    right: var(--spacing-md);
    top: var(--spacing-md);
    font-size: 2rem;
    color: var(--lighter-gray);
    cursor: pointer;
    transition: all 0.3s ease;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.close:hover {
    color: var(--white);
    background: var(--light-gray);
    transform: rotate(90deg);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
}

.modal-header {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.modal-header h2 {
    color: var(--white);
    font-size: 1.5rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    font-weight: 300;
    text-shadow: 
        0 0 4px rgba(255, 255, 255, 0.8),
        0 0 8px rgba(255, 255, 255, 0.6);
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

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

.form-group label {
    color: var(--lighter-gray);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.form-group input {
    padding: var(--spacing-md);
    background: var(--dark-gray);
    border: 1px solid var(--border-gray);
    border-radius: 6px;
    color: var(--white);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.2);
}

.verify-code-group {
    display: flex;
    gap: var(--spacing-sm);
}

.verify-code-group input {
    flex: 1;
}

.btn-code {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--light-gray);
    color: var(--white);
    border: 1px solid var(--border-gray);
    border-radius: 6px;
    cursor: pointer;
    white-space: nowrap;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.btn-code:hover {
    background: var(--hover-gray);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

.btn-code:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--white);
    color: var(--black);
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--off-white);
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.4);
}

.btn-full {
    width: 100%;
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 1px solid var(--border-gray);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--black);
    border-color: var(--white);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
}

.auth-notice {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-gray);
    margin-top: var(--spacing-md);
}

.auth-notice p {
    color: var(--lighter-gray);
    font-size: 0.8rem;
    margin-bottom: var(--spacing-md);
}

.test-account-hint {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--dark-gray);
    border-radius: 6px;
    font-size: 0.75rem;
    color: var(--lighter-gray);
    border: 1px solid var(--border-gray);
}

.btn-apply-account {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    border: 1px solid var(--border-gray);
    color: var(--white);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    letter-spacing: 1px;
}

.btn-apply-account:hover {
    border-color: var(--white);
    background: var(--white);
    color: var(--black);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
}

/* 用户按钮样式 */
.user-btn {
    background: var(--white) !important;
    color: var(--black) !important;
    border: none !important;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.3) !important;
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .logo-light-container {
        width: 200px;
        height: 200px;
    }
    
    .logo-neon {
        width: 120px;
        height: 120px;
    }
    
    .neon-text {
        font-size: 1.5rem;
        letter-spacing: 6px;
    }
    
    .about-grid,
    .artists-grid,
    .releases-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .nav-links {
        gap: var(--spacing-md);
    }
    
    .nav-links a {
        font-size: 0.75rem;
    }
}

/* 隐藏滚动条但保持功能 */
body::-webkit-scrollbar {
    width: 6px;
}

body::-webkit-scrollbar-track {
    background: var(--black);
}

body::-webkit-scrollbar-thumb {
    background: var(--light-gray);
    border-radius: 3px;
}

body::-webkit-scrollbar-thumb:hover {
    background: var(--lighter-gray);
}

/* 表单补充样式 */
.form-group select,
.form-group textarea {
    width: 100%;
    background: var(--dark-gray);
    border: 1px solid var(--border-gray);
    color: var(--white);
    padding: 12px 16px;
    font-size: 0.95rem;
    font-family: inherit;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--white);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-group select option {
    background: var(--dark-gray);
    color: var(--white);
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--off-white);
    font-size: 0.9rem;
}

.form-group input[type="file"] {
    width: 100%;
    background: var(--dark-gray);
    border: 1px dashed var(--border-gray);
    color: var(--white);
    padding: 20px 15px;
    font-size: 0.85rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-group input[type="file"]:hover {
    border-color: var(--white);
    background: rgba(255, 255, 255, 0.05);
}

.form-group input[type="file"]::file-selector-button {
    background: var(--medium-gray);
    border: 1px solid var(--border-gray);
    color: var(--white);
    padding: 8px 16px;
    margin-right: 15px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-group input[type="file"]::file-selector-button:hover {
    background: var(--lighter-gray);
}

/* 上传页面样式 */
.upload-container {
    width: 100%;
    max-width: 700px;
    padding: 40px;
    background: rgba(10, 10, 10, 0.95);
    border: 1px solid var(--border-gray);
    border-radius: 8px;
    position: relative;
    z-index: 10;
    margin: 100px auto;
}

.upload-header {
    text-align: center;
    margin-bottom: 40px;
}

.upload-header .neon-text {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.upload-title {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 8px;
    color: var(--white);
    text-transform: uppercase;
    text-shadow: 
        0 0 4px rgba(255, 255, 255, 0.9),
        0 0 8px rgba(255, 255, 255, 0.7),
        0 0 12px rgba(255, 255, 255, 0.5);
    margin-bottom: 15px;
}

.credit-title {
    border-top: 1px solid var(--border-gray);
    padding-top: 25px;
    margin-top: 10px;
}

.credit-title h3 {
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: 3px;
    color: var(--lighter-gray);
    text-transform: uppercase;
}

.upload-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.form-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 30px;
}

.form-actions .btn-secondary,
.form-actions .btn-neon {
    padding: 14px 32px !important;
    font-size: 0.8rem !important;
    letter-spacing: 2px !important;
    border-radius: 4px !important;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0 !important;
    line-height: 1 !important;
    box-sizing: border-box !important;
}

.form-actions .btn-secondary {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 0.7);
}

.form-actions .btn-secondary:hover {
    border-color: rgba(255, 255, 255, 0.7);
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.form-actions .btn-neon {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.form-actions .btn-neon:hover {
    border-color: rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.08);
}

/* 文件提示 & 错误 */
.file-tip {
    font-size: 11px;
    color: rgba(255,255,255,0.3);
    margin-top: 4px;
}
.file-error {
    font-size: 12px;
    color: #ff6b6b;
    margin-top: 4px;
    display: none;
}
.field-error {
    color: #ff4444;
    font-size: 12px;
    margin-top: 6px;
}

/* 问题反馈按钮 */
.btn-feedback {
    display: inline-block;
    margin-top: 12px;
    padding: 8px 16px;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    color: rgba(255,255,255,0.5);
    font-size: 0.75rem;
    letter-spacing: 1px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s;
    text-decoration: none;
}
.btn-feedback:hover {
    border-color: rgba(255,255,255,0.5);
    color: rgba(255,255,255,0.8);
}

/* 反馈表单 */
#feedbackModal .modal-content {
    max-width: 520px;
}
#feedbackModal .form-group {
    margin-bottom: 16px;
}
#feedbackModal .form-group label {
    display: block;
    font-size: 12px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
#feedbackModal .form-group input,
#feedbackModal .form-group textarea {
    width: 100%;
    padding: 10px 14px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 6px;
    color: #fff;
    font-size: 14px;
    font-family: inherit;
    box-sizing: border-box;
    transition: border-color 0.2s;
    outline: none;
}
#feedbackModal .form-group input:focus,
#feedbackModal .form-group textarea:focus {
    border-color: rgba(255, 255, 255, 0.6);
    box-shadow: none;
}
#feedbackModal .form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* 弹窗内所有按钮统一样式 */
.modal .form-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-top: 24px;
}

.modal .form-actions .btn-secondary,
.modal .form-actions .btn-neon,
.modal .form-actions button {
    padding: 12px 30px !important;
    font-size: 0.78rem !important;
    letter-spacing: 1.5px !important;
    border-radius: 4px !important;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin: 0 !important;
    line-height: 1 !important;
    box-sizing: border-box !important;
    font-family: inherit !important;
    font-weight: normal !important;
}

.modal .form-actions .btn-secondary {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 0.7);
}

.modal .form-actions .btn-secondary:hover {
    border-color: rgba(255, 255, 255, 0.6);
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.modal .form-actions .btn-neon {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: #fff;
}

.modal .form-actions .btn-neon:hover {
    border-color: rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.08);
}

/* ========================================
   最新发布模块
   ======================================== */
.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 52px;
    height: 52px;
    background: rgba(10, 10, 10, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0.9;
    backdrop-filter: blur(8px) saturate(150%);
    transition: all 0.25s ease;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.5);
}

.play-button span {
    color: rgba(255, 255, 255, 0.92);
    font-size: 15px;
    margin-left: 3px;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
}

.play-button:hover {
    background: rgba(10, 10, 10, 0.7);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translate(-50%, -50%) scale(1.08);
}

.progress-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.15);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: rgba(255, 255, 255, 0.6);
    transition: width 0.2s ease;
}

.release-info {
    padding: 14px 16px 16px;
    background: rgba(10, 10, 15, 0.8);
    border-radius: 0 0 10px 10px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-top: none;
}

.release-info h3 {
    font-size: 0.9rem;
    color: #fff;
    margin-bottom: 4px;
    font-weight: 400;
    letter-spacing: 0.5px;
}

.release-info p {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 4px;
}

.release-date {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.25);
}


/* 播放状态 */
.play-button.playing {
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 25px rgba(255, 255, 255, 0.6), 0 0 50px rgba(0, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 1);
    transform: translate(-50%, -50%) scale(1.1);
}

.play-button.playing span {
    font-size: 14px;
}

.release-card.playing .release-cover img {
    filter: grayscale(0%) brightness(1.1);
}

.release-card.playing {
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.2);
}


/* 表单区块标题 */
.form-section-title {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.35);
    margin: 32px 0 16px 0;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.form-section-title:first-child {
    margin-top: 0;
}