```css
/* ============================================
   欲梦子影视 - 完整样式表
   清新观影体验，中外佳片在线畅览
   ============================================ */

/* 核心颜色变量 - 高可读性对比度 */
:root {
    --bg-primary: #f8fafc;
    --bg-secondary: #f1f5f9;
    --bg-card: #ffffff;
    --bg-footer: #1e293b;
    --bg-footer-text: #e2e8f0;
    --text-primary: #1f2937;      /* 深灰-正文 */
    --text-secondary: #334155;    /* 深蓝灰-辅助 */
    --text-heading: #111827;      /* 近黑-标题 */
    --text-accent: #1d4ed8;       /* 深蓝-链接/强调 */
    --text-accent-dark: #1e3a8a;
    --text-on-dark: #f8fafc;
    --text-on-dark-muted: #cbd5e1;
    --border-color: #cbd5e1;
    --btn-bg: #1d4ed8;
    --btn-text: #ffffff;
    --btn-bg-hover: #1e40af;
    --shadow: 0 4px 12px rgba(0,0,0,0.06);
    --nav-bg: rgba(255,255,255,0.9);
    --banner-gradient: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    --chip-bg: #e2e8f0;
    --code-bg: #f1f5f9;
    --glass-bg: rgba(255,255,255,0.7);
    --glass-border: rgba(255,255,255,0.3);
    --card-hover-shadow: 0 12px 24px rgba(0,0,0,0.1);
    --transition-speed: 0.3s;
    --radius-lg: 1.5rem;
    --radius-md: 1rem;
    --radius-sm: 0.5rem;
}

/* 暗黑模式 - 高对比度变量 */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --bg-footer: #0b1120;
    --bg-footer-text: #e2e8f0;
    --text-primary: #e2e8f0;     /* 明亮正文 */
    --text-secondary: #cbd5e1;
    --text-heading: #f8fafc;
    --text-accent: #93c5fd;
    --text-accent-dark: #bfdbfe;
    --text-on-dark: #f8fafc;
    --text-on-dark-muted: #cbd5e1;
    --border-color: #334155;
    --btn-bg: #2563eb;
    --btn-text: #ffffff;
    --btn-bg-hover: #3b82f6;
    --nav-bg: rgba(15,23,42,0.9);
    --chip-bg: #334155;
    --code-bg: #1e293b;
    --glass-bg: rgba(15,23,42,0.7);
    --glass-border: rgba(255,255,255,0.1);
    --card-hover-shadow: 0 12px 24px rgba(0,0,0,0.4);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    transition: background-color 0.3s ease, color 0.3s ease;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
}

/* 文字层级颜色 - 高对比度 */
h1, h2, h3, h4, h5 {
    color: var(--text-heading);
    font-weight: 600;
    line-height: 1.3;
    transition: color 0.3s ease;
}

h1 {
    font-size: 2.4rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
    margin: 2.5rem 0 1.2rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
    position: relative;
}

h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--btn-bg);
    border-radius: 2px;
    margin-top: 8px;
    transition: width 0.3s;
}

h2:hover::after {
    width: 100px;
}

h3 {
    font-size: 1.4rem;
    margin: 1.8rem 0 0.8rem;
}

h4 {
    font-size: 1.15rem;
    margin: 1.5rem 0 0.5rem;
    color: var(--text-primary);
}

p {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1rem;
}

a {
    color: var(--text-accent);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

a:hover {
    color: var(--text-accent-dark);
    text-decoration: underline;
}

.text-muted {
    color: var(--text-secondary);
}

ul, ol {
    padding-left: 1.5rem;
    color: var(--text-primary);
}

li {
    margin-bottom: 0.5rem;
}

/* 布局组件 */
.navbar {
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.3s;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.9rem 1.5rem;
    max-width: 1280px;
    margin: 0 auto;
    gap: 1rem;
}

.logo {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--text-heading);
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.logo svg {
    width: 32px;
    height: 32px;
    transition: transform 0.3s;
}

.logo:hover svg {
    transform: rotate(10deg) scale(1.1);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-primary);
    font-weight: 500;
    position: relative;
    padding: 0.25rem 0;
}

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

.nav-links a:hover {
    color: var(--text-accent);
    text-decoration: none;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    gap: 0.8rem;
    align-items: center;
}

.btn-darkmode {
    background: var(--chip-bg);
    border: none;
    border-radius: 2rem;
    padding: 0.4rem 1rem;
    cursor: pointer;
    color: var(--text-primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: background 0.2s, transform 0.2s;
}

.btn-darkmode:hover {
    background: var(--border-color);
    transform: scale(1.05);
}

.btn-search {
    background: var(--btn-bg);
    color: white;
    border: none;
    padding: 0.4rem 1.2rem;
    border-radius: 2rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
}

.btn-search:hover {
    background: var(--btn-bg-hover);
    transform: scale(1.05);
}

/* 搜索框 */
.search-box {
    display: flex;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 2rem;
    padding: 0.2rem 0.8rem;
    align-items: center;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.search-box:focus-within {
    border-color: var(--btn-bg);
    box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.1);
}

.search-box input {
    border: none;
    background: transparent;
    padding: 0.5rem 0.8rem;
    color: var(--text-primary);
    width: 180px;
    outline: none;
    font-size: 0.95rem;
}

.search-box input::placeholder {
    color: var(--text-secondary);
}

/* 移动端菜单 */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    transition: transform 0.2s;
}

.menu-toggle:hover {
    transform: scale(1.1);
}

/* Banner */
.banner {
    background: var(--banner-gradient);
    color: white;
    border-radius: 2rem;
    padding: 3rem 2.5rem;
    margin: 2rem 0 3rem;
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: float 8s ease-in-out infinite;
}

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

.banner-content {
    flex: 2;
    min-width: 280px;
    position: relative;
    z-index: 1;
}

.banner-content h2 {
    color: white;
    border-bottom: none;
    font-size: 2.2rem;
    margin-bottom: 0.8rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.banner-content h2::after {
    background: rgba(255,255,255,0.5);
}

.banner-content p {
    color: #e0f2fe;
    font-size: 1.1rem;
    max-width: 600px;
}

.banner-highlight {
    background: rgba(255,255,255,0.15);
    padding: 0.8rem 1.5rem;
    border-radius: 3rem;
    display: inline-block;
    margin-top: 1rem;
    color: white;
    font-weight: 500;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid rgba(255,255,255,0.2);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* 卡片 */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.8rem;
    margin: 2rem 0;
}

.card {
    background: var(--bg-card);
    border-radius: 1.5rem;
    padding: 1.8rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--btn-bg), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--card-hover-shadow);
}

.card:hover::before {
    opacity: 1;
}

.card h3 {
    margin-top: 0;
    color: var(--text-heading);
}

.card p {
    color: var(--text-secondary);
}

/* 文章区块 */
.article-list {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.article-item {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 1rem;
    border-left: 5px solid var(--text-accent);
    transition: background 0.2s, transform 0.2s, border-left-color 0.2s;
    position: relative;
}

.article-item:hover {
    background: var(--bg-secondary);
    transform: translateX(4px);
    border-left-color: var(--btn-bg-hover);
}

.article-item h4 {
    font-size: 1.2rem;
    color: var(--text-heading);
    margin-bottom: 0.25rem;
    transition: color 0.2s;
}

.article-item:hover h4 {
    color: var(--text-accent);
}

.article-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

/* FAQ */
.faq-item {
    background: var(--bg-card);
    border-radius: 1rem;
    padding: 1.2rem 1.5rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    transition: border-color 0.3s, box-shadow 0.3s;
}

.faq-item:hover {
    border-color: var(--text-accent);
    box-shadow: var(--shadow);
}

.faq-item.active {
    border-color: var(--btn-bg);
    box-shadow: 0 4px 12px rgba(29, 78, 216, 0.15);
}

.faq-question {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-heading);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

.faq-question span {
    font-size: 1.5rem;
    font-weight: 400;
    transition: transform 0.3s;
    display: inline-block;
    color: var(--text-accent);
}

.faq-item.active .faq-question span {
    transform: rotate(45deg);
}

.faq-answer {
    margin-top: 0.8rem;
    color: var(--text-primary);
    display: none;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

.faq-item.active .faq-answer {
    display: block;
}

/* 表格 */
.table-wrap {
    overflow-x: auto;
    background: var(--bg-card);
    border-radius: 1rem;
    padding: 0.5rem;
    box-shadow: var(--shadow);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
}

th {
    background: var(--bg-secondary);
    color: var(--text-heading);
    font-weight: 600;
    text-align: left;
    padding: 0.8rem 1rem;
    transition: background 0.2s;
}

td {
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

tr:hover td {
    background: var(--bg-secondary);
}

/* 按钮 */
.btn {
    background: var(--btn-bg);
    color: white;
    border: none;
    padding: 0.7rem 1.5rem;
    border-radius: 2rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
    display: inline-block;
    text-align: center;
    text-decoration: none;
    box-shadow: 0 2px 4px rgba(29, 78, 216, 0.3);
}

.btn:hover {
    background: var(--btn-bg-hover);
    color: white;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(29, 78, 216, 0.4);
}

.btn:active {
    transform: translateY(0);
}

/* Footer */
footer {
    background: var(--bg-footer);
    color: var(--bg-footer-text);
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
    border-radius: 2rem 2rem 0 0;
    position: relative;
}

footer h4, footer h3 {
    color: #ffffff;
    margin-bottom: 1rem;
}

footer p {
    color: var(--text-on-dark-muted);
}

footer a {
    color: #bfdbfe;
    transition: color 0.2s;
}

footer a:hover {
    color: #ffffff;
    text-decoration: underline;
}

.footer-cols {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-col {
    padding: 0 0.5rem;
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
    font-size: 0.9rem;
    color: var(--text-on-dark-muted);
}

/* 毛玻璃效果卡片 */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.glass-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-hover-shadow);
}

/* 滚动动画 */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s, transform 0.6s;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 返回顶部 */
#backToTop {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--btn-bg);
    color: white;
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
    cursor: pointer;
    display: none;
    z-index: 2000;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    transition: background 0.3s, transform 0.3s, opacity 0.3s;
    opacity: 0;
    transform: scale(0.8);
}

#backToTop.show {
    display: block;
    opacity: 1;
    transform: scale(1);
}

#backToTop:hover {
    background: var(--btn-bg-hover);
    transform: scale(1.1);
}

/* 图片通用 */
svg {
    max-width: 100%;
    height: auto;
}

.img-placeholder {
    background: var(--bg-secondary);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    overflow: hidden;
    position: relative;
}

.img-placeholder svg {
    width: 100%;
    height: auto;
}

/* 分隔线 */
.section-divider {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
    margin: 3rem 0;
}

/* 标签 */
.tag {
    display: inline-block;
    background: var(--chip-bg);
    color: var(--text-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.85rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    transition: background 0.2s, color 0.2s;
}

.tag:hover {
    background: var(--btn-bg);
    color: white;
}

/* 高亮代码块 */
code {
    background: var(--code-bg);
    padding: 0.2rem 0.4rem;
    border-radius: 0.25rem;
    font-size: 0.9em;
    color: var(--text-primary);
}

pre {
    background: var(--code-bg);
    padding: 1rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

pre code {
    background: none;
    padding: 0;
}

/* 引用块 */
blockquote {
    border-left: 4px solid var(--btn-bg);
    margin: 1.5rem 0;
    padding: 0.5rem 1.5rem;
    background: var(--bg-secondary);
    border-radius: 0 0.5rem 0.5rem 0;
    color: var(--text-primary);
}

blockquote p {
    margin-bottom: 0.5rem;
}

/* 移动端适配 */
@media (max-width: 900px) {
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        background: var(--bg-card);
        position: absolute;
        top: 60px;
        left: 0;
        padding: 1rem;
        gap: 1rem;
        box-shadow: var(--shadow);
        border-bottom: 1px solid var(--border-color);
        animation: slideDown 0.3s ease;
    }

    @keyframes slideDown {
        from { opacity: 0; transform: translateY(-10px); }
        to { opacity: 1; transform: translateY(0); }
    }

    .nav-links.open {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }

    .search-box {
        display: none;
    }

    .banner {
        padding: 2rem 1.5rem;
        margin: 1rem 0 2rem;
        border-radius: 1.5rem;
    }

    .banner-content h2 {
        font-size: 1.8rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.6rem;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .nav-container {
        padding: 0.7rem 1rem;
    }
}

@media (max-width: 600px) {
    .container {
        padding: 0 1rem;
    }

    h1 {
        font-size: 1.6rem;
    }

    h2 {
        font-size: 1.4rem;
    }

    .banner {
        padding: 1.5rem 1rem;
    }

    .banner-content h2 {
        font-size: 1.5rem;
    }

    .card {
        padding: 1.2rem;
    }

    .card-grid {
        gap: 1rem;
    }

    .footer-cols {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .faq-item {
        padding: 1rem;
    }

    .btn {
        width: 100%;
    }

    .logo {
        font-size: 1.4rem;
    }

    .logo svg {
        width: 28px;
        height: 28px;
    }
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* 焦点样式 */
:focus-visible {
    outline: 3px solid var(--text-accent);
    outline-offset: 2px;
}

/* 打印样式 */
@media print {
    .navbar, .menu-toggle, .btn-darkmode, .btn-search, .search-box, #backToTop, footer {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .card, .article-item, .faq-item, .glass-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* 无障碍：减少动画偏好 */
@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;
    }
}

/* 工具类 */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }
.p-5 { padding: 3rem; }

.flex {
    display: flex;
}

.flex-wrap {
    flex-wrap: wrap;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }
```