```css
/* ==========================================================================
   蓝颜TV 专属样式表
   主题：暗色霓虹 · 星际科技感
   设计：渐变Banner / 毛玻璃 / 圆角卡片 / 响应式 / 滚动动画
   ========================================================================== */

/* ---------- 基础变量 ---------- */
:root {
    --bg-primary: #0a0a18;
    --bg-secondary: #14142a;
    --bg-card: rgba(24, 24, 53, 0.75);
    --bg-glass: rgba(20, 20, 46, 0.5);
    --border-color: rgba(45, 45, 85, 0.6);
    --text-primary: #e0e0f0;
    --text-secondary: #a0a0c0;
    --accent: #8b5cf6;
    --accent-light: #c4b5fd;
    --accent-gradient: linear-gradient(135deg, #7c3aed, #6d28d9);
    --radius: 16px;
    --shadow: 0 8px 32px rgba(139, 92, 246, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    line-height: 1.7;
    font-size: 16px;
    min-height: 100vh;
    overflow-x: hidden;
}

/* 背景光效 */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(99, 102, 241, 0.05) 0%, transparent 40%);
    z-index: -1;
    animation: bgFloat 30s ease-in-out infinite alternate;
}

@keyframes bgFloat {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(-5%, 5%) rotate(3deg); }
}

/* ---------- 滚动动画 ---------- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 15px rgba(139, 92, 246, 0.3); }
    50% { box-shadow: 0 0 30px rgba(139, 92, 246, 0.6); }
}

/* 滚动触发动画 */
.card, .grid > article, .rank-item, .comment-item, .btn-group, section {
    animation: fadeInUp 0.6s ease-out both;
}

.card:nth-child(2n) { animation-delay: 0.1s; }
.card:nth-child(3n) { animation-delay: 0.2s; }
.card:nth-child(4n) { animation-delay: 0.3s; }

/* ---------- 链接与文字 ---------- */
a {
    color: var(--accent-light);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
}

a:hover {
    color: #ffffff;
    text-shadow: 0 0 10px rgba(196, 181, 253, 0.5);
}

h1, h2, h3, h4 {
    color: #f0f0ff;
    font-weight: 600;
    letter-spacing: 0.5px;
    line-height: 1.3;
}

h1 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    background: linear-gradient(135deg, #ffffff 0%, var(--accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    margin-bottom: 0.5rem;
}

h2 {
    font-size: clamp(1.5rem, 3vw, 1.8rem);
    margin: 1.5rem 0 1rem;
    border-left: 4px solid var(--accent);
    padding-left: 0.8rem;
    position: relative;
    overflow: hidden;
}

h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent);
    opacity: 0.3;
}

h3 {
    font-size: 1.3rem;
    margin: 1rem 0 0.5rem;
    transition: var(--transition);
}

h3:hover {
    color: var(--accent-light);
    transform: translateX(5px);
}

/* ---------- 布局容器 ---------- */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

.container-fluid {
    width: 100%;
    padding: 0 24px;
}

/* ---------- 图片 ---------- */
img {
    display: block;
    max-width: 100%;
    height: auto;
    object-fit: cover;
    background: linear-gradient(135deg, #1e1e3a, #2d2d55);
    border-radius: 12px;
    transition: var(--transition);
    filter: brightness(0.9) saturate(0.9);
}

.card:hover img {
    filter: brightness(1.1) saturate(1.1);
    transform: scale(1.02);
}

/* ---------- 卡片 ---------- */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.03), transparent);
    transition: left 0.5s ease;
}

.card:hover {
    transform: translateY(-6px) scale(1.01);
    border-color: rgba(139, 92, 246, 0.5);
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.2);
    animation: glowPulse 2s ease-in-out infinite;
}

.card:hover::before {
    left: 100%;
}

/* ---------- 网格系统 ---------- */
.grid {
    display: grid;
    gap: 24px;
}

.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-block;
    background: var(--accent-gradient);
    color: #ffffff !important;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    text-align: center;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
    text-decoration: none;
}

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

.btn-group {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 24px;
}

.btn-group .btn:nth-child(2) {
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent-light) !important;
}

.btn-group .btn:nth-child(2):hover {
    background: rgba(139, 92, 246, 0.1);
    border-color: var(--accent-light);
}

/* ---------- 导航栏 ---------- */
nav {
    background: rgba(13, 13, 32, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 16px 0;
    border-bottom: 1px solid rgba(30, 30, 58, 0.8);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

nav .logo {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff, var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
}

nav a {
    color: var(--text-secondary);
    font-weight: 500;
    padding: 8px 0;
    border-bottom: 2px solid transparent;
    position: relative;
    transition: var(--transition);
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

nav a:hover, nav a.active {
    color: var(--accent-light);
    border-bottom-color: var(--accent);
}

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

/* ---------- 侧边栏布局 ---------- */
.sidebar-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 30px;
    margin-top: 30px;
}

aside .card {
    background: rgba(20, 20, 46, 0.8);
    backdrop-filter: blur(10px);
    border-color: rgba(45, 45, 85, 0.5);
}

aside .card h3 {
    border-bottom: 1px solid rgba(139, 92, 246, 0.3);
    padding-bottom: 10px;
    margin-bottom: 15px;
}

/* ---------- 徽章 ---------- */
.badge {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(139, 92, 246, 0.1));
    color: var(--accent-light);
    padding: 4px 14px;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(139, 92, 246, 0.3);
    backdrop-filter: blur(5px);
}

/* ---------- 列表项 ---------- */
.rank-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 8px;
    border-bottom: 1px dashed rgba(45, 45, 85, 0.5);
    transition: var(--transition);
    cursor: pointer;
}

.rank-item:hover {
    background: rgba(139, 92, 246, 0.05);
    padding-left: 16px;
}

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

.rank-item span:first-child {
    font-weight: 500;
}

.rank-item span:last-child {
    color: var(--accent-light);
    font-weight: 600;
}

/* ---------- 评论 ---------- */
.comment-item {
    border-bottom: 1px solid rgba(45, 45, 85, 0.5);
    padding: 14px 0;
    transition: var(--transition);
}

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

.comment-item:hover {
    padding-left: 10px;
    background: rgba(139, 92, 246, 0.03);
    border-radius: 8px;
}

.comment-item p {
    margin-top: 6px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ---------- 页脚 ---------- */
footer {
    background: rgba(10, 10, 24, 0.9);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(30, 30, 58, 0.8);
    padding: 40px 0;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.footer-links a {
    margin: 0 8px;
    color: var(--accent-light);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: #ffffff;
    text-shadow: 0 0 10px rgba(196, 181, 253, 0.5);
}

footer a {
    color: var(--text-secondary);
    transition: var(--transition);
}

footer a:hover {
    color: var(--accent-light);
}

/* ---------- 工具类 ---------- */
.text-secondary { color: var(--text-secondary); }
.text-small { font-size: 0.85rem; }
.text-center { text-align: center; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

hr {
    border: 0.5px solid rgba(45, 45, 85, 0.5);
    margin: 20px 0;
}

/* ---------- 特殊区块 ---------- */
section[style*="background:#161630"] {
    background: linear-gradient(135deg, rgba(22, 22, 48, 0.9), rgba(20, 20, 46, 0.7)) !important;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(139, 92, 246, 0.2);
    transition: var(--transition);
}

section[style*="background:#161630"]:hover {
    border-color: rgba(139, 92, 246, 0.4);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.1);
}

section[style*="background:#14142e"] {
    background: linear-gradient(135deg, rgba(20, 20, 46, 0.9), rgba(16, 16, 38, 0.8)) !important;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(45, 45, 85, 0.5);
    position: relative;
    overflow: hidden;
}

section[style*="background:#14142e"]::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

/* ---------- 响应式设计 ---------- */
@media (max-width: 1200px) {
    .grid-4 { grid-template-columns: repeat(3, 1fr); }
    .sidebar-layout { grid-template-columns: 1fr 280px; }
}

@media (max-width: 1000px) {
    .sidebar-layout { grid-template-columns: 1fr; }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    nav ul { gap: 16px; }
    nav .logo { font-size: 1.5rem; }
}

@media (max-width: 768px) {
    .container { padding: 0 16px; }
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.4rem; }
    nav ul {
        flex-direction: column;
        gap: 8px;
        width: 100%;
    }
    nav a {
        display: block;
        padding: 8px 0;
    }
    .btn { padding: 12px 24px; font-size: 0.9rem; }
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
    .flex-between { flex-direction: column; }
    footer .flex-between { flex-direction: column; gap: 16px; }
    .btn-group { flex-direction: column; width: 100%; }
    .btn { width: 100%; }
    aside .card { margin-top: 0; }
    .sidebar-layout { gap: 20px; }
}

@media (max-width: 480px) {
    body { font-size: 15px; }
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.2rem; }
    .card { padding: 16px; }
    nav .logo { font-size: 1.3rem; }
    .badge { padding: 2px 10px; font-size: 0.7rem; }
}

/* ---------- 暗色模式增强 ---------- */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #080812;
        --bg-secondary: #0f0f20;
        --text-primary: #e8e8f8;
        --text-secondary: #9090b0;
    }
}

/* ---------- 滚动条美化 ---------- */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--accent), #6d28d9);
    border-radius: 10px;
    transition: var(--transition);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

/* ---------- 文本选中 ---------- */
::selection {
    background: rgba(139, 92, 246, 0.3);
    color: #ffffff;
}

/* ---------- 焦点可见性 ---------- */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ---------- 性能优化 ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ---------- 打印样式 ---------- */
@media print {
    body {
        background: #ffffff;
        color: #000000;
    }
    .card, section {
        background: #ffffff !important;
        border: 1px solid #ccc;
        box-shadow: none;
    }
    a {
        color: #000000;
        text-decoration: underline;
    }
}
```