/* ============================================
   剪映大师 - 主样式表
   CSS前缀: cut-
   设计风格: 剪辑时间线工作台风
   ============================================ */

/* === Google Fonts 本地化替代 - 使用系统等宽字体 === */
@font-face {
    font-family: 'JetBrains Mono';
    src: local('JetBrains Mono'), local('Fira Code'), local('Consolas'), local('Monaco');
    font-display: swap;
}

/* === CSS 变量 === */
:root {
    --cut-primary: #1E1E1E;
    --cut-secondary: #FF7A00;
    --cut-accent: #4A90E2;
    --cut-text: #EAEAEA;
    --cut-text-muted: #999999;
    --cut-link: #FF7A00;
    --cut-bg-dark: #141414;
    --cut-bg-card: #252525;
    --cut-bg-card-hover: #2E2E2E;
    --cut-border: #333333;
    --cut-success: #27AE60;
    --cut-font: 'JetBrains Mono', 'Fira Code', 'Consolas', 'Monaco', monospace;
    --cut-radius: 6px;
    --cut-shadow: 0 4px 20px rgba(0,0,0,0.4);
    --cut-transition: 0.3s ease;
}

/* === 干扰标签隐藏 === */
.timeline-jammer-block {
    display: none !important;
}

/* === 全局重置 === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--cut-font);
    background-color: var(--cut-primary);
    color: var(--cut-text);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
}

a {
    color: var(--cut-link);
    text-decoration: none;
    transition: color var(--cut-transition);
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--cut-font);
    font-weight: 700;
    line-height: 1.3;
    color: var(--cut-text);
}

/* === 页面加载进度条 === */
.cut-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--cut-bg-dark);
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.5s ease;
}

.cut-loader-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--cut-secondary), var(--cut-accent));
    width: 0%;
    animation: cut-loading 1.5s ease-in-out forwards;
}

.cut-loader.cut-loaded {
    opacity: 0;
    pointer-events: none;
}

@keyframes cut-loading {
    0% { width: 0%; }
    30% { width: 45%; }
    60% { width: 75%; }
    100% { width: 100%; }
}

/* === 导航栏 === */
.cut-header {
    background: var(--cut-bg-dark);
    border-bottom: 2px solid var(--cut-border);
    padding: 0;
    z-index: 1000;
    width: 100%;
}

.cut-nav-inner {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
}

.cut-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    flex-shrink: 0;
}

.cut-logo-icon {
    width: 36px;
    height: 36px;
    background: var(--cut-secondary);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.cut-logo-icon::before {
    content: '';
    width: 0;
    height: 0;
    border-left: 10px solid #fff;
    border-top: 7px solid transparent;
    border-bottom: 7px solid transparent;
    margin-left: 3px;
}

.cut-logo-icon::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--cut-accent);
    transform: rotate(45deg);
    top: -2px;
    right: -2px;
}

.sp-logo-text {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--cut-text);
    letter-spacing: 1px;
}

.cut-nav-menu {
    display: flex;
    align-items: center;
    gap: 0;
    list-style: none;
}

.cut-nav-item {
    position: relative;
}

.cut-nav-link {
    display: block;
    padding: 10px 18px;
    color: var(--cut-text-muted);
    font-size: 0.88rem;
    font-weight: 500;
    text-decoration: none;
    transition: color var(--cut-transition);
    position: relative;
    white-space: nowrap;
}

.cut-nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--cut-secondary);
    transition: width var(--cut-transition);
}

.cut-nav-link:hover,
.cut-nav-link.cut-active {
    color: var(--cut-secondary);
}

.cut-nav-link:hover::after,
.cut-nav-link.cut-active::after {
    width: 70%;
}

/* 汉堡菜单 */
.cut-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
    z-index: 1001;
}

.cut-hamburger-line {
    width: 24px;
    height: 2px;
    background: var(--cut-text);
    transition: all var(--cut-transition);
    border-radius: 2px;
}

.cut-hamburger.cut-open .cut-hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.cut-hamburger.cut-open .cut-hamburger-line:nth-child(2) {
    opacity: 0;
}

.cut-hamburger.cut-open .cut-hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* 移动端侧滑菜单 */
.cut-mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--cut-bg-dark);
    z-index: 1000;
    transition: left var(--cut-transition);
    padding: 80px 24px 24px;
    overflow-y: auto;
    border-right: 2px solid var(--cut-secondary);
}

.cut-mobile-menu.cut-open {
    left: 0;
}

.cut-mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 999;
    opacity: 0;
    transition: opacity var(--cut-transition);
}

.cut-mobile-overlay.cut-open {
    opacity: 1;
}

.cut-mobile-nav-item {
    list-style: none;
}

.cut-mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    color: var(--cut-text-muted);
    font-size: 1rem;
    text-decoration: none;
    border-bottom: 1px solid var(--cut-border);
    transition: all var(--cut-transition);
}

.cut-mobile-nav-link:hover,
.cut-mobile-nav-link.cut-active {
    color: var(--cut-secondary);
    background: rgba(255, 122, 0, 0.08);
}

.cut-mobile-nav-icon {
    width: 20px;
    text-align: center;
    font-style: normal;
}

/* === 容器 === */
.cut-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 24px;
}

.cut-section {
    padding: 80px 0;
}

.cut-section-alt {
    background: var(--cut-bg-dark);
}

/* === 模块标题 === */
.cut-section-header {
    margin-bottom: 48px;
}

.cut-section-tag {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--cut-secondary);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 12px;
    font-weight: 600;
}

.cut-section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--cut-text);
    margin-bottom: 16px;
}

.cut-section-desc {
    font-size: 0.95rem;
    color: var(--cut-text-muted);
    max-width: 680px;
    line-height: 1.8;
}

/* === Hero Banner === */
.cut-hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--cut-bg-dark) 0%, var(--cut-primary) 50%, #1a1a2e 100%);
}

.cut-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.25;
}

.cut-hero-content {
    position: relative;
    z-index: 2;
    max-width: 1440px;
    margin: 0 auto;
    padding: 60px 24px;
}

.cut-hero-timecode {
    font-size: 0.8rem;
    color: var(--cut-secondary);
    letter-spacing: 2px;
    margin-bottom: 20px;
    font-weight: 600;
}

.cut-hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--cut-text) 0%, var(--cut-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cut-hero-subtitle {
    font-size: 1.15rem;
    color: var(--cut-text-muted);
    max-width: 600px;
    margin-bottom: 36px;
    line-height: 1.8;
}

.cut-hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* === 按钮 === */
.cut-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--cut-radius);
    font-family: var(--cut-font);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--cut-transition);
    border: none;
    text-decoration: none;
}

.cut-btn-primary {
    background: var(--cut-secondary);
    color: #fff;
}

.cut-btn-primary:hover {
    background: #e66e00;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 122, 0, 0.3);
}

.cut-btn-outline {
    background: transparent;
    color: var(--cut-text);
    border: 1px solid var(--cut-border);
}

.cut-btn-outline:hover {
    border-color: var(--cut-secondary);
    color: var(--cut-secondary);
    transform: translateY(-2px);
}

.cut-btn-small {
    padding: 8px 18px;
    font-size: 0.82rem;
}

/* === 卡片 === */
.cut-card {
    background: var(--cut-bg-card);
    border: 1px solid var(--cut-border);
    border-radius: var(--cut-radius);
    overflow: hidden;
    transition: all var(--cut-transition);
}

.cut-card:hover {
    transform: translateY(-4px) scale(1.01);
    border-color: var(--cut-secondary);
    box-shadow: var(--cut-shadow);
}

.cut-card-img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.cut-card-body {
    padding: 20px;
}

.cut-card-timecode {
    font-size: 0.72rem;
    color: var(--cut-secondary);
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.cut-card-title {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--cut-text);
}

.cut-card-desc {
    font-size: 0.85rem;
    color: var(--cut-text-muted);
    line-height: 1.7;
    margin-bottom: 16px;
}

.cut-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.78rem;
    color: var(--cut-text-muted);
}

.cut-card-tag {
    display: inline-block;
    padding: 3px 10px;
    background: rgba(255, 122, 0, 0.12);
    color: var(--cut-secondary);
    border-radius: 3px;
    font-size: 0.72rem;
    font-weight: 600;
}

/* === 网格布局 === */
.cut-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.cut-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.cut-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

/* === 灵感工坊 - 瀑布流 === */
.cut-inspiration-grid {
    columns: 3;
    column-gap: 20px;
}

.cut-inspiration-item {
    break-inside: avoid;
    margin-bottom: 20px;
    background: var(--cut-bg-card);
    border: 1px solid var(--cut-border);
    border-radius: var(--cut-radius);
    overflow: hidden;
    transition: all var(--cut-transition);
}

.cut-inspiration-item:hover {
    border-color: var(--cut-secondary);
    transform: scale(1.02);
}

.cut-inspiration-item img {
    width: 100%;
    display: block;
}

.cut-inspiration-info {
    padding: 14px;
}

.cut-inspiration-title {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.cut-inspiration-tag {
    font-size: 0.72rem;
    color: var(--cut-secondary);
}

/* === 大师课程 === */
.cut-course-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--cut-radius);
    background: var(--cut-bg-card);
    border: 1px solid var(--cut-border);
    transition: all var(--cut-transition);
}

.cut-course-card:hover {
    transform: translateY(-6px);
    border-color: var(--cut-secondary);
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}

.cut-course-poster {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
}

.cut-course-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    background: linear-gradient(transparent, rgba(0,0,0,0.9));
}

.cut-course-mentor {
    font-size: 0.78rem;
    color: var(--cut-secondary);
    margin-bottom: 6px;
}

.cut-course-name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.cut-course-desc {
    font-size: 0.82rem;
    color: var(--cut-text-muted);
}

/* === 快速上手 - 时间线 === */
.cut-timeline {
    position: relative;
    padding-left: 60px;
}

.cut-timeline::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--cut-border);
}

.cut-timeline-step {
    position: relative;
    margin-bottom: 40px;
    padding: 24px;
    background: var(--cut-bg-card);
    border: 1px solid var(--cut-border);
    border-radius: var(--cut-radius);
    transition: all var(--cut-transition);
}

.cut-timeline-step:hover {
    border-color: var(--cut-secondary);
}

.cut-timeline-number {
    position: absolute;
    left: -48px;
    top: 24px;
    width: 36px;
    height: 36px;
    background: var(--cut-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: #fff;
}

.cut-timeline-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.cut-timeline-desc {
    font-size: 0.88rem;
    color: var(--cut-text-muted);
    line-height: 1.7;
}

/* === 模板市场 === */
.cut-template-filters {
    display: flex;
    gap: 10px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.cut-filter-btn {
    padding: 8px 20px;
    background: var(--cut-bg-card);
    border: 1px solid var(--cut-border);
    border-radius: 20px;
    color: var(--cut-text-muted);
    font-family: var(--cut-font);
    font-size: 0.82rem;
    cursor: pointer;
    transition: all var(--cut-transition);
}

.cut-filter-btn:hover,
.cut-filter-btn.cut-active {
    background: var(--cut-secondary);
    border-color: var(--cut-secondary);
    color: #fff;
}

/* === 音效素材库 === */
.cut-audio-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--cut-bg-card);
    border: 1px solid var(--cut-border);
    border-radius: var(--cut-radius);
    margin-bottom: 12px;
    transition: all var(--cut-transition);
}

.cut-audio-item:hover {
    border-color: var(--cut-secondary);
}

.cut-audio-play {
    width: 40px;
    height: 40px;
    background: var(--cut-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    border: none;
}

.cut-audio-play::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 10px solid #fff;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    margin-left: 2px;
}

.cut-audio-info {
    flex: 1;
}

.cut-audio-name {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.cut-audio-meta {
    font-size: 0.78rem;
    color: var(--cut-text-muted);
}

.cut-audio-wave {
    width: 120px;
    height: 30px;
    background: repeating-linear-gradient(
        90deg,
        var(--cut-secondary) 0px,
        var(--cut-secondary) 2px,
        transparent 2px,
        transparent 5px
    );
    opacity: 0.5;
    border-radius: 3px;
}

/* === 实战挑战 === */
.cut-challenge-banner {
    position: relative;
    border-radius: var(--cut-radius);
    overflow: hidden;
    padding: 60px 40px;
    background: linear-gradient(135deg, #1a1a2e 0%, var(--cut-primary) 100%);
    border: 1px solid var(--cut-border);
}

.cut-challenge-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
}

.cut-challenge-content {
    position: relative;
    z-index: 2;
}

.cut-countdown {
    display: flex;
    gap: 16px;
    margin: 24px 0;
}

.cut-countdown-item {
    text-align: center;
    background: rgba(255, 122, 0, 0.15);
    border: 1px solid var(--cut-secondary);
    border-radius: var(--cut-radius);
    padding: 12px 16px;
    min-width: 70px;
}

.cut-countdown-num {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--cut-secondary);
    display: block;
}

.cut-countdown-label {
    font-size: 0.7rem;
    color: var(--cut-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* === 导师问答 === */
.cut-qa-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.cut-qa-item {
    background: var(--cut-bg-card);
    border: 1px solid var(--cut-border);
    border-radius: var(--cut-radius);
    padding: 24px;
    transition: all var(--cut-transition);
}

.cut-qa-item:hover {
    border-color: var(--cut-accent);
}

.cut-qa-question {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 12px;
    padding-left: 20px;
    border-left: 3px solid var(--cut-secondary);
}

.cut-qa-answer {
    font-size: 0.88rem;
    color: var(--cut-text-muted);
    line-height: 1.8;
    padding-left: 20px;
}

.cut-qa-mentor {
    font-size: 0.78rem;
    color: var(--cut-accent);
    margin-top: 10px;
    padding-left: 20px;
}

/* === 学员作品展 === */
.cut-showcase-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.cut-showcase-item {
    position: relative;
    border-radius: var(--cut-radius);
    overflow: hidden;
    aspect-ratio: 16/9;
    cursor: pointer;
}

.cut-showcase-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--cut-transition);
}

.cut-showcase-item:hover img {
    transform: scale(1.08);
}

.cut-showcase-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px;
    background: linear-gradient(transparent, rgba(0,0,0,0.85));
    opacity: 0;
    transition: opacity var(--cut-transition);
}

.cut-showcase-item:hover .cut-showcase-overlay {
    opacity: 1;
}

.cut-showcase-author {
    font-size: 0.82rem;
    font-weight: 600;
}

.cut-showcase-course {
    font-size: 0.72rem;
    color: var(--cut-secondary);
}

/* === 软件与插件 === */
.cut-software-card {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--cut-bg-card);
    border: 1px solid var(--cut-border);
    border-radius: var(--cut-radius);
    transition: all var(--cut-transition);
}

.cut-software-card:hover {
    border-color: var(--cut-accent);
}

.cut-software-icon {
    width: 64px;
    height: 64px;
    background: var(--cut-bg-dark);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.cut-software-info {
    flex: 1;
}

.cut-software-name {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.cut-software-desc {
    font-size: 0.82rem;
    color: var(--cut-text-muted);
    line-height: 1.6;
}

/* === 行业资讯 === */
.cut-news-item {
    display: flex;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--cut-border);
}

.cut-news-date {
    flex-shrink: 0;
    text-align: center;
    padding: 8px 16px;
    background: var(--cut-bg-card);
    border-radius: var(--cut-radius);
    min-width: 70px;
}

.cut-news-day {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--cut-secondary);
    display: block;
}

.cut-news-month {
    font-size: 0.72rem;
    color: var(--cut-text-muted);
    text-transform: uppercase;
}

.cut-news-content {
    flex: 1;
}

.cut-news-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.cut-news-excerpt {
    font-size: 0.85rem;
    color: var(--cut-text-muted);
    line-height: 1.7;
}

/* === 页脚 === */
.cut-footer {
    background: var(--cut-bg-dark);
    border-top: 2px solid var(--cut-border);
    padding: 60px 0 0;
}

.cut-footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.cut-footer-title {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--cut-text);
}

.cut-footer-links {
    list-style: none;
}

.cut-footer-links li {
    margin-bottom: 10px;
}

.cut-footer-links a {
    color: var(--cut-text-muted);
    font-size: 0.85rem;
    transition: color var(--cut-transition);
}

.cut-footer-links a:hover {
    color: var(--cut-secondary);
}

.cut-footer-social {
    display: flex;
    gap: 16px;
    margin-top: 12px;
}

.cut-footer-social-icon {
    width: 40px;
    height: 40px;
    background: var(--cut-bg-card);
    border: 1px solid var(--cut-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.82rem;
    color: var(--cut-text-muted);
    transition: all var(--cut-transition);
    text-decoration: none;
}

.cut-footer-social-icon:hover {
    border-color: var(--cut-secondary);
    color: var(--cut-secondary);
}

.cut-footer-bottom {
    border-top: 1px solid var(--cut-border);
    padding: 24px 0;
    text-align: center;
}

.cut-footer-copyright {
    font-size: 0.78rem;
    color: var(--cut-text-muted);
    line-height: 2;
}

.cut-footer-honor {
    font-size: 0.78rem;
    color: var(--cut-secondary);
    margin: 8px 0;
}

.cut-footer-icp {
    font-size: 0.75rem;
    color: var(--cut-text-muted);
}

.cut-footer-icp a {
    color: var(--cut-text-muted);
    font-size: 0.75rem;
}

.cut-footer-icp a:hover {
    color: var(--cut-secondary);
}

/* === 内页 Banner === */
.cut-page-banner {
    position: relative;
    padding: 80px 0 60px;
    background: linear-gradient(135deg, var(--cut-bg-dark) 0%, var(--cut-primary) 100%);
    overflow: hidden;
}

.cut-page-banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15;
}

.cut-page-banner-content {
    position: relative;
    z-index: 2;
}

.cut-breadcrumb {
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 0.8rem;
    color: var(--cut-text-muted);
    margin-bottom: 20px;
}

.cut-breadcrumb a {
    color: var(--cut-text-muted);
}

.cut-breadcrumb-sep {
    color: var(--cut-border);
}

/* === 剪辑台 - 模板库 === */
.cut-desk-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 30px;
    min-height: 60vh;
}

.cut-desk-sidebar {
    background: var(--cut-bg-card);
    border: 1px solid var(--cut-border);
    border-radius: var(--cut-radius);
    padding: 24px;
    height: fit-content;
}

.cut-desk-category {
    list-style: none;
}

.cut-desk-category li {
    margin-bottom: 4px;
}

.cut-desk-category-btn {
    display: block;
    width: 100%;
    padding: 10px 14px;
    background: none;
    border: none;
    color: var(--cut-text-muted);
    font-family: var(--cut-font);
    font-size: 0.85rem;
    text-align: left;
    cursor: pointer;
    border-radius: 4px;
    transition: all var(--cut-transition);
}

.cut-desk-category-btn:hover,
.cut-desk-category-btn.cut-active {
    background: rgba(255, 122, 0, 0.12);
    color: var(--cut-secondary);
}

.cut-desk-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    align-content: start;
}

.cut-desk-card {
    background: var(--cut-bg-card);
    border: 1px solid var(--cut-border);
    border-radius: var(--cut-radius);
    overflow: hidden;
    transition: all var(--cut-transition);
}

.cut-desk-card:hover {
    border-color: var(--cut-secondary);
    transform: translateY(-4px);
}

.cut-desk-card-img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
}

.cut-desk-card-body {
    padding: 16px;
}

.cut-desk-card-title {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.cut-desk-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--cut-text-muted);
    margin-bottom: 12px;
}

.cut-desk-download {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    background: var(--cut-secondary);
    color: #fff;
    border: none;
    border-radius: 4px;
    font-family: var(--cut-font);
    font-size: 0.78rem;
    cursor: pointer;
    transition: all var(--cut-transition);
}

.cut-desk-download:hover {
    background: #e66e00;
}

/* === APP 下载页 === */
.cut-app-hero {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 60px;
    min-height: 70vh;
    padding: 60px 24px;
}

.cut-app-content {
    max-width: 480px;
}

.cut-app-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.cut-app-subtitle {
    font-size: 1rem;
    color: var(--cut-text-muted);
    line-height: 1.8;
    margin-bottom: 32px;
}

.cut-app-buttons {
    display: flex;
    gap: 16px;
}

.cut-app-store-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: var(--cut-bg-card);
    border: 1px solid var(--cut-border);
    border-radius: var(--cut-radius);
    color: var(--cut-text);
    text-decoration: none;
    transition: all var(--cut-transition);
}

.cut-app-store-btn:hover {
    border-color: var(--cut-secondary);
    color: var(--cut-text);
}

.cut-app-store-label {
    font-size: 0.7rem;
    color: var(--cut-text-muted);
    display: block;
}

.cut-app-store-name {
    font-size: 0.95rem;
    font-weight: 600;
    display: block;
}

.cut-app-phone {
    max-width: 320px;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

/* === 内页文章 === */
.cut-article {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 24px 80px;
}

.cut-article h2 {
    font-size: 1.5rem;
    margin: 40px 0 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--cut-border);
}

.cut-article h3 {
    font-size: 1.2rem;
    margin: 30px 0 12px;
}

.cut-article p {
    font-size: 0.92rem;
    color: var(--cut-text-muted);
    line-height: 1.9;
    margin-bottom: 20px;
}

.cut-article img {
    border-radius: var(--cut-radius);
    margin: 24px 0;
    border: 1px solid var(--cut-border);
}

.cut-article-list {
    margin: 16px 0 24px 24px;
    color: var(--cut-text-muted);
    font-size: 0.92rem;
    line-height: 2;
}

/* === 响应式断点 === */

/* 1440px */
@media (max-width: 1440px) {
    .cut-container {
        max-width: 1200px;
    }
}

/* 1024px */
@media (max-width: 1024px) {
    .cut-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .cut-desk-layout {
        grid-template-columns: 1fr;
    }

    .cut-desk-sidebar {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        padding: 16px;
    }

    .cut-desk-category {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .cut-desk-category li {
        margin-bottom: 0;
    }

    .cut-inspiration-grid {
        columns: 2;
    }

    .cut-hero h1 {
        font-size: 2.4rem;
    }
}

/* 768px */
@media (max-width: 768px) {
    .cut-nav-menu {
        display: none;
    }

    .cut-hamburger {
        display: flex;
    }

    .cut-mobile-menu {
        display: block;
    }

    .cut-grid-2,
    .cut-grid-3 {
        grid-template-columns: 1fr;
    }

    .cut-grid-4 {
        grid-template-columns: 1fr;
    }

    .cut-hero h1 {
        font-size: 2rem;
    }

    .cut-hero-subtitle {
        font-size: 1rem;
    }

    .cut-section {
        padding: 50px 0;
    }

    .cut-section-title {
        font-size: 1.6rem;
    }

    .cut-footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .cut-app-hero {
        flex-direction: column-reverse;
        text-align: center;
        gap: 40px;
    }

    .cut-app-buttons {
        justify-content: center;
    }

    .cut-app-phone {
        max-width: 240px;
    }

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

    .cut-showcase-grid {
        grid-template-columns: 1fr;
    }

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

    .cut-inspiration-grid {
        columns: 1;
    }

    .cut-software-card {
        flex-direction: column;
    }

    .cut-news-item {
        flex-direction: column;
        gap: 12px;
    }

    .cut-audio-wave {
        display: none;
    }
}

/* 360px */
@media (max-width: 420px) {
    html {
        font-size: 14px;
    }

    .cut-hero h1 {
        font-size: 1.7rem;
    }

    .cut-hero-actions {
        flex-direction: column;
    }

    .cut-btn {
        width: 100%;
        justify-content: center;
    }

    .cut-nav-inner {
        padding: 10px 16px;
    }

    .cut-container {
        padding: 0 16px;
    }

    .cut-desk-grid {
        grid-template-columns: 1fr;
    }

    .cut-app-buttons {
        flex-direction: column;
    }

    .cut-countdown-item {
        min-width: 60px;
        padding: 10px 12px;
    }

    .cut-countdown-num {
        font-size: 1.4rem;
    }
}