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

:root {
    --cyan: #00FFD0;
    --magenta: #FF00A0;
    --black: #0a0a0a;
    --dark-gray: #1a1a1a;
    --white: #ffffff;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background-color: var(--black);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 页面转场 - 数字失真效果 */
.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 9999;
    pointer-events: none;
    opacity: 0;
}

/* 页面进入动画 - 从失真中恢复 */
.page-content {
    animation: page-enter-glitch 0.5s steps(6) forwards;
}

@keyframes page-enter-glitch {
    0% {
        opacity: 0;
        filter: hue-rotate(90deg) saturate(8) contrast(4) brightness(2);
    }
    16% {
        opacity: 0.15;
        filter: hue-rotate(60deg) saturate(6) contrast(3);
    }
    33% {
        opacity: 0.4;
        filter: hue-rotate(30deg) saturate(4) contrast(2);
    }
    50% {
        opacity: 0.65;
        filter: hue-rotate(-20deg) saturate(3) contrast(1.5);
    }
    66% {
        opacity: 0.85;
        filter: hue-rotate(10deg) saturate(2) contrast(1.2);
    }
    83% {
        opacity: 0.95;
        filter: hue-rotate(-5deg) saturate(1.5);
    }
    100% {
        opacity: 1;
        filter: none;
    }
}

/* 页面故障化类 - 失真离开 */
body.glitching {
    overflow: hidden;
}

body.glitching .page-content {
    animation: content-glitch-out 0.4s steps(6) forwards;
}

@keyframes content-glitch-out {
    0% {
        filter: none;
    }
    16% {
        filter: hue-rotate(20deg) saturate(2) contrast(1.3);
    }
    33% {
        filter: hue-rotate(-30deg) saturate(3.5) contrast(1.8) brightness(1.2);
    }
    50% {
        filter: hue-rotate(45deg) saturate(5) contrast(2.5) brightness(1.5);
    }
    66% {
        filter: hue-rotate(-60deg) saturate(7) contrast(3.5) brightness(2);
        opacity: 0.7;
    }
    83% {
        filter: hue-rotate(75deg) saturate(10) contrast(5) brightness(2.5);
        opacity: 0.4;
    }
    100% {
        filter: hue-rotate(90deg) saturate(15) contrast(8) brightness(3);
        opacity: 0;
    }
}

/* RGB分离叠加层 */
.page-transition .rgb-split {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0;
    z-index: 9998;
}

.page-transition.active .rgb-split {
    animation: rgb-overlay 0.5s ease-out forwards;
}

.page-transition .rgb-split::before,
.page-transition .rgb-split::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    mix-blend-mode: screen;
}

.page-transition .rgb-split::before {
    background: rgba(0, 255, 208, 0.3);
    animation: cyan-shift 0.5s ease-out forwards;
}

.page-transition .rgb-split::after {
    background: rgba(255, 0, 160, 0.3);
    animation: magenta-shift 0.5s ease-out forwards;
}

@keyframes rgb-overlay {
    0% { opacity: 0; }
    30% { opacity: 0.6; }
    60% { opacity: 0.8; }
    100% { opacity: 0; }
}

@keyframes cyan-shift {
    0% { transform: translateX(0); }
    50% { transform: translateX(-30px); }
    100% { transform: translateX(-60px); }
}

@keyframes magenta-shift {
    0% { transform: translateX(0); }
    50% { transform: translateX(30px); }
    100% { transform: translateX(60px); }
}

/* 画面撕裂线 */
.page-transition .tear-lines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9997;
    opacity: 0;
}

.page-transition.active .tear-lines {
    animation: tear-flicker 0.5s ease-out forwards;
}

.tear-line {
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyan), var(--magenta), transparent);
    opacity: 0;
}

.page-transition.active .tear-line:nth-child(1) { top: 20%; animation: tear-slide 0.3s ease-out 0.1s forwards; }
.page-transition.active .tear-line:nth-child(2) { top: 45%; animation: tear-slide 0.3s ease-out 0.2s forwards; }
.page-transition.active .tear-line:nth-child(3) { top: 70%; animation: tear-slide 0.3s ease-out 0.15s forwards; }
.page-transition.active .tear-line:nth-child(4) { top: 35%; animation: tear-slide 0.3s ease-out 0.25s forwards; }
.page-transition.active .tear-line:nth-child(5) { top: 85%; animation: tear-slide 0.3s ease-out 0.3s forwards; }

@keyframes tear-flicker {
    0%, 100% { opacity: 0; }
    20%, 80% { opacity: 1; }
}

@keyframes tear-slide {
    0% {
        opacity: 0;
        transform: translateX(-100%);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translateX(100%);
    }
}

/* 闪烁遮罩 */
.page-transition .flash {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    opacity: 0;
    z-index: 9999;
    pointer-events: none;
}

.page-transition.active .flash {
    animation: flash-flicker 0.5s ease-out forwards;
}

@keyframes flash-flicker {
    0%, 100% { opacity: 0; }
    40% { opacity: 0; }
    45% { opacity: 0.8; }
    50% { opacity: 0; }
    70% { opacity: 0.4; }
    75% { opacity: 0; }
    90% { opacity: 0.2; }
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
}

/* 非首页页面导航栏默认显示背景 */
body.subpage .navbar {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
}

.nav-container {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 30px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo {
    position: relative;
    width: 72px;
    height: 72px;
    overflow: hidden;
}

.logo img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 故障艺术 Logo 效果 */
.logo img:nth-child(1) {
    z-index: 3;
    animation: logo-glitch-main 3s infinite;
}

.logo img:nth-child(2) {
    z-index: 2;
    opacity: 0;
    animation: logo-glitch-cyan 3s infinite;
}

.logo img:nth-child(3) {
    z-index: 1;
    opacity: 0;
    animation: logo-glitch-magenta 3s infinite;
}

/* 悬停时故障效果增强 */
.logo:hover img:nth-child(1) {
    animation: logo-glitch-main-hover 0.8s infinite;
}

.logo:hover img:nth-child(2) {
    animation: logo-glitch-cyan-hover 0.8s infinite;
}

.logo:hover img:nth-child(3) {
    animation: logo-glitch-magenta-hover 0.8s infinite;
}

/* 主层 - 间歇性故障 */
@keyframes logo-glitch-main {
    0%, 40%, 45%, 50%, 55%, 60%, 100% {
        opacity: 1;
        transform: translate(0);
    }
    42% {
        opacity: 0.8;
        transform: translate(-2px, 1px);
    }
    52% {
        opacity: 0.9;
        transform: translate(2px, -1px);
    }
    58% {
        opacity: 0.7;
        transform: translate(-1px, 0);
    }
}

/* 青色偏移层 */
@keyframes logo-glitch-cyan {
    0%, 40%, 100% {
        opacity: 0;
        transform: translate(0);
    }
    42%, 44% {
        opacity: 0.8;
        transform: translate(-3px, 0);
    }
    52%, 54% {
        opacity: 0.6;
        transform: translate(-2px, 1px);
    }
}

/* 品红色偏移层 */
@keyframes logo-glitch-magenta {
    0%, 40%, 100% {
        opacity: 0;
        transform: translate(0);
    }
    42%, 44% {
        opacity: 0.8;
        transform: translate(3px, 0);
    }
    52%, 54% {
        opacity: 0.6;
        transform: translate(2px, -1px);
    }
}

/* 悬停时强烈故障效果 */
@keyframes logo-glitch-main-hover {
    0%, 20%, 40%, 60%, 80%, 100% {
        opacity: 1;
        transform: translate(0);
        clip-path: none;
    }
    10% {
        opacity: 0.8;
        transform: translate(-3px, 2px);
        clip-path: polygon(0 20%, 100% 20%, 100% 40%, 0 40%);
    }
    15% {
        opacity: 0.9;
        transform: translate(3px, -2px);
        clip-path: polygon(0 60%, 100% 60%, 100% 80%, 0 80%);
    }
    30% {
        opacity: 0.7;
        transform: translate(-2px, 0);
    }
    35% {
        opacity: 0.5;
        transform: translate(0, 2px);
        clip-path: polygon(0 0, 100% 0, 100% 30%, 0 30%);
    }
    50% {
        opacity: 0.8;
        transform: translate(2px, -1px);
        clip-path: polygon(0 70%, 100% 70%, 100% 100%, 0 100%);
    }
    70% {
        opacity: 0.6;
        transform: translate(-1px, 1px);
    }
    90% {
        opacity: 0.4;
        transform: translate(1px, -1px);
    }
}

@keyframes logo-glitch-cyan-hover {
    0%, 25%, 50%, 75%, 100% {
        opacity: 0;
        transform: translate(0);
    }
    10%, 15%, 35%, 40% {
        opacity: 0.9;
        transform: translate(-4px, 0);
    }
    60%, 65%, 85%, 90% {
        opacity: 0.7;
        transform: translate(-3px, 1px);
    }
}

@keyframes logo-glitch-magenta-hover {
    0%, 25%, 50%, 75%, 100% {
        opacity: 0;
        transform: translate(0);
    }
    10%, 15%, 35%, 40% {
        opacity: 0.9;
        transform: translate(4px, 0);
    }
    60%, 65%, 85%, 90% {
        opacity: 0.7;
        transform: translate(3px, -1px);
    }
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
    position: relative;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), var(--magenta));
    transition: width 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--cyan);
}

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

/* Hero 区域 */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.bg-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(10, 10, 10, 0.3) 0%,
        rgba(10, 10, 10, 0.5) 50%,
        rgba(10, 10, 10, 0.8) 100%
    );
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 0 20px;
}

.hero-title {
    font-size: clamp(18px, 3vw, 32px);
    font-weight: 700;
    letter-spacing: 6px;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--cyan), var(--magenta));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    transition: all 0.5s ease;
    position: relative;
    display: block;
    cursor: default;
    position: relative;
    display: inline-block;
}

.hero-title:hover {
    filter: brightness(1.2);
}

/* 故障艺术效果 */
.hero-title.glitch {
    animation: glitch-skew 0.3s infinite;
}

.hero-title.glitch::before,
.hero-title.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--cyan), var(--magenta));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    pointer-events: none;
}

.hero-title.glitch::before {
    animation: glitch-anim-1 0.4s infinite linear alternate-reverse;
    clip-path: polygon(0 0, 100% 0, 100% 35%, 0 35%);
    transform: translateX(-3px);
    filter: hue-rotate(90deg);
}

.hero-title.glitch::after {
    animation: glitch-anim-2 0.4s infinite linear alternate-reverse;
    clip-path: polygon(0 65%, 100% 65%, 100% 100%, 0 100%);
    transform: translateX(3px);
    filter: hue-rotate(-90deg);
}

@keyframes glitch-anim-1 {
    0% { transform: translateX(-3px); }
    20% { transform: translateX(3px); }
    40% { transform: translateX(-2px); }
    60% { transform: translateX(2px); }
    80% { transform: translateX(-1px); }
    100% { transform: translateX(1px); }
}

@keyframes glitch-anim-2 {
    0% { transform: translateX(3px); }
    20% { transform: translateX(-3px); }
    40% { transform: translateX(2px); }
    60% { transform: translateX(-2px); }
    80% { transform: translateX(1px); }
    100% { transform: translateX(-1px); }
}

@keyframes glitch-skew {
    0% { transform: skew(0deg); }
    20% { transform: skew(-2deg); }
    40% { transform: skew(2deg); }
    60% { transform: skew(-1deg); }
    80% { transform: skew(1deg); }
    100% { transform: skew(0deg); }
}

.hero-subtitle {
    font-size: clamp(12px, 1.5vw, 14px);
    color: rgba(255, 255, 255, 0.2);
    letter-spacing: 4px;
    text-transform: uppercase;
    transition: color 0.5s ease;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.hero-subtitle:hover {
    color: rgba(255, 255, 255, 0.8);
}

.play-icon {
    width: 18px;
    height: 18px;
    opacity: 0.6;
    transition: all 0.3s ease;
}

.hero-subtitle:hover .play-icon {
    opacity: 1;
    filter: drop-shadow(0 0 8px var(--cyan));
    transform: scale(1.1);
}

/* 滚动提示 */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    animation: bounce 2s infinite;
}

.scroll-text {
    font-size: 12px;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--cyan);
    border-bottom: 2px solid var(--cyan);
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* 区域头部 */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.view-more {
    color: var(--cyan);
    text-decoration: none;
    font-size: 14px;
    letter-spacing: 2px;
    transition: all 0.3s ease;
    padding: 8px 16px;
    border: 1px solid var(--cyan);
    border-radius: 4px;
}

.view-more:hover {
    background: var(--cyan);
    color: var(--dark-bg);
}

/* 精选视频区域 */
.section-featured {
    padding: 80px 0;
}

/* 视频轮播 */
.video-carousel {
    width: 100%;
}

.carousel-main {
    position: relative;
    width: 100%;
    aspect-ratio: 21/9;
    max-height: 70vh;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
}

.carousel-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s ease;
    cursor: pointer;
}

.carousel-video.active {
    opacity: 1;
    visibility: visible;
}

.carousel-video img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-video .play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.carousel-video:hover .play-overlay {
    background: rgba(0, 0, 0, 0.5);
}

.carousel-video .play-icon-large {
    width: 100px;
    height: 100px;
    background: rgba(0, 255, 208, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    color: var(--dark-bg);
    transition: all 0.3s ease;
}

.carousel-video:hover .play-icon-large {
    transform: scale(1.1);
    background: var(--cyan);
}

.carousel-video .video-duration {
    position: absolute;
    bottom: 80px;
    right: 20px;
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 14px;
}

.carousel-video .video-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px 30px 30px;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
}

.carousel-video .video-info h3 {
    font-size: 28px;
    color: var(--cyan);
    margin-bottom: 8px;
}

.carousel-video .video-info p {
    font-size: 16px;
    color: rgba(255,255,255,0.8);
}

/* 缩略图导航 */
.carousel-thumbs {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.thumb {
    flex: 1;
    position: relative;
    aspect-ratio: 16/9;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    opacity: 0.5;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.thumb:hover,
.thumb.active {
    opacity: 1;
    border-color: var(--cyan);
}

.thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumb-title {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 10px;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    font-size: 12px;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 轮播底部 */
.carousel-footer {
    display: flex;
    justify-content: flex-end;
}

/* 图片瀑布流 - 6个卡片布局 */
.gallery-masonry {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 280px);
    gap: 20px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

/* 大图占2x2 */
.gallery-item.large {
    grid-column: span 2;
    grid-row: span 2;
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px 20px 20px;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--white);
}

.gallery-overlay p {
    font-size: 14px;
    color: var(--cyan);
    opacity: 0.9;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item.large {
    grid-column: span 2;
    grid-row: span 2;
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px 20px 20px;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay h3 {
    font-size: 18px;
    color: var(--cyan);
    margin-bottom: 8px;
}

.gallery-overlay p {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
}

/* 静态区域底部 */
.gallery-footer {
    display: flex;
    justify-content: flex-end;
    margin-top: 30px;
}

/* 内容保护 - 禁止选择图片 */
img {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-user-drag: none;
}

/* 禁止在图片和视频上右键 */
.video-thumbnail,
.gallery-item,
.carousel-video {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* 响应式 */
@media (max-width: 1024px) {
    .gallery-masonry {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(3, 240px);
    }
    
    .gallery-item.large {
        grid-column: span 2;
        grid-row: span 2;
    }
    
    .gallery-item:nth-child(4),
    .gallery-item:nth-child(5) {
        grid-column: auto;
        grid-row: auto;
    }

    /* 视频轮播宽屏适配 */
    .carousel-video .video-info h3 {
        font-size: 22px;
    }
    .carousel-video .video-info p {
        font-size: 14px;
    }
}

@media (max-width: 768px) {
    .gallery-masonry {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }
    
    .gallery-item,
    .gallery-item.large {
        grid-column: span 1;
        grid-row: span 1;
        height: 220px;
    }
    
    .section-header {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

/* 内容区域 */
.section {
    padding: 100px 40px;
    position: relative;
}

.section-dark {
    background-color: var(--dark-gray);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 60px;
    text-align: center;
    letter-spacing: 4px;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--cyan), var(--magenta));
}

/* 视频展示区 */
.video-showcase {
    max-width: 1200px;
    margin: 0 auto;
}

.main-video-container {
    position: relative;
    margin-bottom: 30px;
}

.main-video {
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--dark-gray);
    border-radius: 8px;
}

.video-info {
    margin-top: 20px;
    padding: 0 10px;
}

.video-info h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--white);
    letter-spacing: 1px;
}

.video-info p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* 缩略图条 */
.thumbnail-strip {
    display: flex;
    gap: 15px;
    overflow-x: auto;
    padding: 20px 10px;
    scrollbar-width: thin;
    scrollbar-color: var(--cyan) var(--dark-gray);
}

.thumbnail-strip::-webkit-scrollbar {
    height: 6px;
}

.thumbnail-strip::-webkit-scrollbar-track {
    background: var(--dark-gray);
    border-radius: 3px;
}

.thumbnail-strip::-webkit-scrollbar-thumb {
    background: linear-gradient(90deg, var(--cyan), var(--magenta));
    border-radius: 3px;
}

.thumbnail-item {
    flex-shrink: 0;
    width: 160px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 6px;
    overflow: hidden;
    border: 2px solid transparent;
}

.thumbnail-item img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    display: block;
    background: linear-gradient(135deg, rgba(0, 255, 208, 0.1), rgba(255, 0, 160, 0.1));
}

.thumbnail-title {
    display: block;
    padding: 10px 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 0.3s ease;
}

.thumbnail-item:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 255, 208, 0.5);
}

.thumbnail-item:hover .thumbnail-title {
    color: var(--cyan);
}

.thumbnail-item.active {
    border-color: var(--cyan);
    box-shadow: 0 0 20px rgba(0, 255, 208, 0.3);
}

.thumbnail-item.active .thumbnail-title {
    color: var(--cyan);
    font-weight: 500;
}

/* 作品网格（静态作品用） */
.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.work-item {
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, rgba(0, 255, 208, 0.1), rgba(255, 0, 160, 0.1));
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.work-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.work-item:hover::before {
    left: 100%;
}

.work-item:hover {
    border-color: var(--cyan);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 255, 208, 0.2);
}

.work-placeholder {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 2px;
}

/* 其它区域 */
.others-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.about-card,
.project-card {
    background: linear-gradient(135deg, rgba(0, 255, 208, 0.05), rgba(255, 0, 160, 0.05));
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 40px;
    transition: all 0.3s ease;
}

.about-card:hover,
.project-card:hover {
    border-color: var(--magenta);
    transform: translateY(-5px);
}

.about-card h3,
.project-card h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--cyan);
    letter-spacing: 2px;
}

.about-card p,
.project-card p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

/* 合并卡片 - 关于我 + 莉娜计划 */
.combined-about-card {
    display: flex;
    min-height: 320px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.combined-section {
    display: flex;
    flex: 1;
    align-items: stretch;
}

/* 关于我区块 - 青绿主题 */
.about-me-section {
    border-right: 1px solid rgba(255, 255, 255, 0.06);
}

/* 关于我Hero区域 - 完全复制about.css */
.about-hero {
    display: flex;
    align-items: stretch;
    flex: 1;
    min-height: 320px;
    border-radius: 0;
    overflow: hidden;
}

.about-logo {
    position: relative;
    width: 36%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px;
    background: linear-gradient(145deg, #2a2a35 0%, #1e1e28 100%);
    overflow: hidden;
}

/* 抽象线条动画 - 复杂无规则 */
.about-logo::before {
    content: '';
    position: absolute;
    inset: -100%;
    background: 
        /* 青绿线条 - 多角度 */
        linear-gradient(12deg, transparent 48%, rgba(0, 255, 208, 0.08) 49%, rgba(0, 255, 208, 0.08) 51%, transparent 52%),
        linear-gradient(45deg, transparent 48%, rgba(0, 255, 208, 0.05) 49%, rgba(0, 255, 208, 0.05) 51%, transparent 52%),
        linear-gradient(78deg, transparent 48%, rgba(0, 255, 208, 0.06) 49%, rgba(0, 255, 208, 0.06) 51%, transparent 52%),
        linear-gradient(123deg, transparent 48%, rgba(0, 255, 208, 0.04) 49%, rgba(0, 255, 208, 0.04) 51%, transparent 52%),
        /* 品红线条 */
        linear-gradient(156deg, transparent 48%, rgba(255, 0, 160, 0.06) 49%, rgba(255, 0, 160, 0.06) 51%, transparent 52%),
        linear-gradient(189deg, transparent 48%, rgba(255, 0, 160, 0.04) 49%, rgba(255, 0, 160, 0.04) 51%, transparent 52%),
        linear-gradient(234deg, transparent 48%, rgba(255, 0, 160, 0.07) 49%, rgba(255, 0, 160, 0.07) 51%, transparent 52%),
        linear-gradient(267deg, transparent 48%, rgba(255, 0, 160, 0.05) 49%, rgba(255, 0, 160, 0.05) 51%, transparent 52%),
        /* 混合线条 */
        linear-gradient(300deg, transparent 48%, rgba(0, 255, 208, 0.03) 49%, rgba(0, 255, 208, 0.03) 51%, transparent 52%),
        linear-gradient(333deg, transparent 48%, rgba(255, 0, 160, 0.03) 49%, rgba(255, 0, 160, 0.03) 51%, transparent 52%);
    background-size: 
        80px 120px, 150px 90px, 200px 180px, 100px 200px,
        130px 160px, 170px 110px, 90px 140px, 190px 130px,
        220px 100px, 110px 170px;
    animation: chaotic-flow 25s linear infinite;
}

.about-logo::after {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 30%, rgba(0, 255, 208, 0.15) 0%, transparent 40%),
        radial-gradient(ellipse at 80% 70%, rgba(255, 0, 160, 0.12) 0%, transparent 40%);
    animation: pulse-glow 3s ease-in-out infinite alternate;
}

/* 星空层 */
.about-logo .stars {
    position: absolute;
    inset: -50%;
    width: 200%;
    height: 200%;
    pointer-events: none;
    animation: stars-rotate 40s linear infinite;
}

/* 像素网格层 */
.about-logo .pixel-grid {
    position: absolute;
    inset: -50%;
    width: 200%;
    height: 200%;
    pointer-events: none;
    background-image: 
        linear-gradient(rgba(0, 255, 208, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 0, 160, 0.06) 1px, transparent 1px);
    background-size: 8px 8px;
}

.about-logo .stars::before,
.about-logo .stars::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(0, 255, 208, 0.6), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255, 255, 255, 0.5), transparent),
        radial-gradient(2px 2px at 130px 80px, rgba(255, 0, 160, 0.5), transparent),
        radial-gradient(1px 1px at 160px 20px, rgba(255, 255, 255, 0.4), transparent),
        radial-gradient(2px 2px at 200px 60px, rgba(0, 255, 208, 0.4), transparent),
        radial-gradient(1px 1px at 250px 90px, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(2px 2px at 300px 30px, rgba(255, 0, 160, 0.4), transparent),
        radial-gradient(1px 1px at 340px 70px, rgba(255, 255, 255, 0.5), transparent),
        radial-gradient(2px 2px at 380px 50px, rgba(0, 255, 208, 0.5), transparent),
        radial-gradient(1px 1px at 420px 100px, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(2px 2px at 460px 20px, rgba(255, 0, 160, 0.3), transparent),
        radial-gradient(1px 1px at 500px 80px, rgba(255, 255, 255, 0.5), transparent),
        radial-gradient(2px 2px at 550px 40px, rgba(0, 255, 208, 0.4), transparent),
        radial-gradient(1px 1px at 600px 90px, rgba(255, 255, 255, 0.4), transparent),
        radial-gradient(2px 2px at 650px 60px, rgba(255, 0, 160, 0.5), transparent),
        radial-gradient(1px 1px at 700px 30px, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(2px 2px at 750px 70px, rgba(0, 255, 208, 0.5), transparent),
        radial-gradient(1px 1px at 800px 50px, rgba(255, 255, 255, 0.4), transparent),
        radial-gradient(2px 2px at 850px 20px, rgba(255, 0, 160, 0.4), transparent);
    background-size: 900px 120px;
}

.about-logo .stars::after {
    transform: translate(450px, 60px);
    opacity: 0.6;
    animation: stars-twinkle 4s ease-in-out infinite alternate;
}

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

@keyframes stars-twinkle {
    0% { opacity: 0.3; }
    100% { opacity: 0.8; }
}

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

@keyframes pulse-glow {
    0% { opacity: 0.4; transform: scale(1); }
    100% { opacity: 1; transform: scale(1.1); }
}

.about-logo img {
    position: absolute;
    width: 280px;
    height: 280px;
    object-fit: contain;
}

/* 故障艺术 Logo 效果 */
.about-logo img:nth-child(1) {
    z-index: 3;
    animation: logo-glitch-main 3s infinite;
}

.about-logo img:nth-child(2) {
    z-index: 2;
    opacity: 0;
    animation: logo-glitch-cyan 3s infinite;
}

.about-logo img:nth-child(3) {
    z-index: 1;
    opacity: 0;
    animation: logo-glitch-magenta 3s infinite;
}

/* 悬停时故障效果增强 */
.about-logo:hover img:nth-child(1) {
    animation: logo-glitch-main-hover 0.8s infinite;
}

.about-logo:hover img:nth-child(2) {
    animation: logo-glitch-cyan-hover 0.8s infinite;
}

.about-logo:hover img:nth-child(3) {
    animation: logo-glitch-magenta-hover 0.8s infinite;
}

@keyframes logo-glitch-main {
    0%, 90%, 100% { transform: translate(0); filter: none; }
    92% { transform: translate(-2px, 1px); }
    94% { transform: translate(2px, -1px); }
    96% { transform: translate(0); }
}

@keyframes logo-glitch-cyan {
    0%, 90%, 100% { opacity: 0; transform: translate(0); }
    92% { opacity: 0.8; transform: translate(-4px, 0); filter: hue-rotate(180deg) saturate(200%); }
    94% { opacity: 0; transform: translate(0); }
    96% { opacity: 0.6; transform: translate(-2px, 1px); }
}

@keyframes logo-glitch-magenta {
    0%, 90%, 100% { opacity: 0; transform: translate(0); }
    92% { opacity: 0; transform: translate(0); }
    94% { opacity: 0.8; transform: translate(4px, 0); filter: hue-rotate(-60deg) saturate(200%); }
    96% { opacity: 0; transform: translate(0); }
}

@keyframes logo-glitch-main-hover {
    0%, 100% { transform: translate(0); filter: none; }
    20% { transform: translate(-3px, 1px); }
    40% { transform: translate(3px, -1px); }
    60% { transform: translate(-2px, 2px); }
    80% { transform: translate(2px, -2px); }
}

@keyframes logo-glitch-cyan-hover {
    0%, 100% { opacity: 0; transform: translate(0); }
    20% { opacity: 0.8; transform: translate(-6px, 0); filter: hue-rotate(180deg) saturate(200%); }
    40% { opacity: 0; transform: translate(0); }
    60% { opacity: 0.6; transform: translate(-3px, 2px); }
    80% { opacity: 0; transform: translate(0); }
}

@keyframes logo-glitch-magenta-hover {
    0%, 100% { opacity: 0; transform: translate(0); }
    20% { opacity: 0; transform: translate(0); }
    40% { opacity: 0.8; transform: translate(6px, 0); filter: hue-rotate(-60deg) saturate(200%); }
    60% { opacity: 0; transform: translate(0); }
    80% { opacity: 0.6; transform: translate(3px, -2px); }
}

/* 关于我内容区 */
.about-content {
    width: 64%;
    padding: 25px 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: linear-gradient(135deg, #0d1a1f 0%, #1a0d1a 50%, #0f0f14 100%);
    position: relative;
    overflow: hidden;
}

.about-content::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 80%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(0, 255, 208, 0.25) 0%, transparent 70%);
    pointer-events: none;
    animation: glow-pulse-cyan 4s ease-in-out infinite;
}

.about-content::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -20%;
    width: 60%;
    height: 150%;
    background: radial-gradient(ellipse at center, rgba(255, 0, 160, 0.2) 0%, transparent 70%);
    pointer-events: none;
    animation: glow-pulse-magenta 4s ease-in-out infinite;
    animation-delay: 2s;
}

@keyframes glow-pulse-cyan {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

@keyframes glow-pulse-magenta {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.9; transform: scale(1.15); }
}

/* 莉娜区块 - 紫色主题 */
.rina-section {
    border-left: 1px solid rgba(147, 112, 219, 0.15);
}

/* 莉娜内容区 - 复用 combined-content 布局 */
.rina-content-section {
    width: 58%;
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.rina-visual-section {
    position: relative;
    width: 42%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px;
    background: linear-gradient(145deg, #2a2535 0%, #1e1a28 100%);
    overflow: hidden;
}

.rina-visual-section .rina-grid {
    position: absolute;
    inset: -50%;
    width: 200%;
    height: 200%;
    pointer-events: none;
    background-image: 
        linear-gradient(rgba(147, 112, 219, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 208, 0.08) 1px, transparent 1px);
    background-size: 8px 8px;
}

.rina-visual-section .rina-stars {
    position: absolute;
    inset: -50%;
    width: 200%;
    height: 200%;
    pointer-events: none;
    animation: rina-stars-rotate 40s linear infinite;
}

.rina-visual-section .rina-stars::before,
.rina-visual-section .rina-stars::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(147, 112, 219, 0.8), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(0, 255, 208, 0.6), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255, 255, 255, 0.5), transparent),
        radial-gradient(2px 2px at 130px 80px, rgba(147, 112, 219, 0.5), transparent),
        radial-gradient(1px 1px at 160px 20px, rgba(255, 255, 255, 0.4), transparent),
        radial-gradient(2px 2px at 200px 60px, rgba(0, 255, 208, 0.4), transparent),
        radial-gradient(1px 1px at 250px 90px, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(2px 2px at 300px 30px, rgba(147, 112, 219, 0.4), transparent),
        radial-gradient(1px 1px at 340px 70px, rgba(255, 255, 255, 0.5), transparent),
        radial-gradient(2px 2px at 380px 50px, rgba(0, 255, 208, 0.5), transparent);
    background-size: 900px 120px;
}

.rina-visual-section .rina-stars::after {
    transform: translate(450px, 60px);
    opacity: 0.6;
    animation: rina-stars-twinkle 4s ease-in-out infinite alternate;
}

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

@keyframes rina-stars-twinkle {
    0% { opacity: 0.3; }
    100% { opacity: 0.8; }
}

.rina-visual-section .rina-circles {
    position: absolute;
    inset: -30%;
    width: 160%;
    height: 160%;
    pointer-events: none;
}

.rina-visual-section .rina-circles::before {
    content: '';
    position: absolute;
    inset: 10%;
    border: 1px dashed rgba(0, 255, 208, 0.3);
    border-radius: 50%;
    animation: rina-circle-rotate 30s linear infinite;
}

.rina-visual-section .rina-circles::after {
    content: '';
    position: absolute;
    inset: 20%;
    border: 1px dotted rgba(255, 0, 160, 0.25);
    border-radius: 50%;
    animation: rina-circle-rotate-reverse 25s linear infinite;
}

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

@keyframes rina-circle-rotate-reverse {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(-360deg); }
}

.rina-visual-section .rina-lines {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.rina-visual-section .rina-lines::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 208, 0.4), transparent);
    animation: rina-scan 4s ease-in-out infinite;
}

.rina-visual-section .rina-lines::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, transparent, rgba(255, 0, 160, 0.3), transparent);
    animation: rina-scan-vertical 5s ease-in-out infinite;
}

@keyframes rina-scan {
    0%, 100% { top: 0; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

@keyframes rina-scan-vertical {
    0%, 100% { left: 0; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { left: 100%; opacity: 0; }
}

.rina-logo-simple {
    position: relative;
    z-index: 5;
    width: 100px;
    height: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.rina-logo-simple::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid rgba(0, 255, 208, 0.5);
    transform: rotate(45deg);
    animation: rina-rotate 20s linear infinite;
    box-shadow: 0 0 20px rgba(0, 255, 208, 0.3), inset 0 0 20px rgba(0, 255, 208, 0.1);
}

.rina-logo-simple::after {
    content: '';
    position: absolute;
    width: 75%;
    height: 75%;
    border: 2px solid rgba(255, 0, 160, 0.5);
    transform: rotate(-45deg);
    animation: rina-rotate-reverse 15s linear infinite;
    box-shadow: 0 0 15px rgba(255, 0, 160, 0.3), inset 0 0 15px rgba(255, 0, 160, 0.1);
}

.rina-logo-simple .kanji {
    position: relative;
    z-index: 6;
    font-size: 24px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 8px;
    text-shadow: 0 0 10px rgba(0, 255, 208, 0.5), 2px 0 rgba(255, 0, 160, 0.3), -2px 0 rgba(0, 255, 208, 0.3);
    animation: kanji-glitch 4s infinite;
}

.rina-logo-simple .kana {
    position: relative;
    z-index: 6;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 3px;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
}

@keyframes rina-rotate {
    0% { transform: rotate(45deg); }
    100% { transform: rotate(405deg); }
}

@keyframes rina-rotate-reverse {
    0% { transform: rotate(-45deg); }
    100% { transform: rotate(-405deg); }
}

@keyframes kanji-glitch {
    0%, 90%, 100% {
        text-shadow: 0 0 10px rgba(0, 255, 208, 0.5), 2px 0 rgba(255, 0, 160, 0.3), -2px 0 rgba(0, 255, 208, 0.3);
    }
    92% {
        text-shadow: 0 0 20px rgba(255, 0, 160, 0.8), -3px 0 rgba(255, 0, 160, 0.5), 3px 0 rgba(0, 255, 208, 0.5);
        transform: translateX(1px);
    }
    94% {
        text-shadow: 0 0 15px rgba(0, 255, 208, 0.8), 3px 0 rgba(255, 0, 160, 0.5), -3px 0 rgba(0, 255, 208, 0.5);
        transform: translateX(-1px);
    }
    96% {
        text-shadow: 0 0 10px rgba(0, 255, 208, 0.5), 2px 0 rgba(255, 0, 160, 0.3), -2px 0 rgba(0, 255, 208, 0.3);
        transform: translateX(0);
    }
}

/* 内容区通用样式 */
.combined-content {
    width: 58%;
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.combined-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

/* 关于我背景 - 青绿主题 */
.about-bg {
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 255, 208, 0.5) 0%, rgba(0, 255, 208, 0.15) 35%, transparent 55%),
        radial-gradient(circle at 80% 70%, rgba(255, 0, 160, 0.45) 0%, rgba(255, 0, 160, 0.12) 30%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(147, 112, 219, 0.4) 0%, rgba(147, 112, 219, 0.1) 40%, transparent 60%),
        linear-gradient(145deg, #1a1f2a 0%, #151920 50%, #1a1d24 100%);
    background-size: 180% 180%, 180% 180%, 180% 180%, 100% 100%;
    animation: about-blob-flow 12s ease-in-out infinite;
}

.about-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 30% 20%, rgba(0,0,0,0.2) 0%, transparent 40%),
        radial-gradient(ellipse at 70% 80%, rgba(0,0,0,0.15) 0%, transparent 35%);
    z-index: 1;
    pointer-events: none;
}

@keyframes about-blob-flow {
    0%, 100% { background-position: 0% 0%, 100% 100%, 50% 50%, 0% 0%; }
    33% { background-position: 70% 40%, 30% 60%, 60% 30%, 0% 0%; }
    66% { background-position: 100% 70%, 0% 30%, 40% 70%, 0% 0%; }
}

/* 莉娜背景 - 紫色主题 */
.rina-bg {
    background: 
        radial-gradient(circle at 15% 25%, rgba(147, 112, 219, 0.7) 0%, rgba(147, 112, 219, 0.25) 35%, transparent 55%),
        radial-gradient(circle at 85% 75%, rgba(0, 255, 208, 0.6) 0%, rgba(0, 255, 208, 0.2) 30%, transparent 50%),
        radial-gradient(circle at 60% 40%, rgba(255, 0, 160, 0.55) 0%, rgba(255, 0, 160, 0.15) 40%, transparent 60%),
        radial-gradient(circle at 30% 70%, rgba(255, 200, 100, 0.5) 0%, rgba(255, 200, 100, 0.12) 35%, transparent 55%),
        linear-gradient(145deg, #d8d4ce 0%, #c8c4be 50%, #d0ccc6 100%);
    background-size: 180% 180%, 180% 180%, 180% 180%, 180% 180%, 100% 100%;
    animation: rina-blob-flow 10s ease-in-out infinite;
}

.rina-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 30% 20%, rgba(0,0,0,0.15) 0%, transparent 40%),
        radial-gradient(ellipse at 70% 80%, rgba(0,0,0,0.12) 0%, transparent 35%);
    animation: rina-shadow-flow 10s ease-in-out infinite;
    z-index: 1;
    pointer-events: none;
}

@keyframes rina-blob-flow {
    0%, 100% { background-position: 0% 0%, 100% 100%, 50% 50%, 0% 100%, 0% 0%; }
    25% { background-position: 80% 30%, 20% 70%, 80% 20%, 60% 40%, 0% 0%; }
    50% { background-position: 100% 60%, 0% 40%, 20% 80%, 80% 20%, 0% 0%; }
    75% { background-position: 40% 80%, 60% 20%, 70% 60%, 30% 70%, 0% 0%; }
}

@keyframes rina-shadow-flow {
    0%, 100% { opacity: 0.6; transform: translate(0, 0); }
    50% { opacity: 0.9; transform: translate(-5%, 3%); }
}

.combined-inner {
    position: relative;
    z-index: 1;
    padding: 25px 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.combined-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    position: relative;
}

.combined-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    margin: 0;
    text-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.combined-subtitle {
    font-size: 11px;
    color: var(--cyan);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.rina-section .combined-subtitle {
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

.combined-desc {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    margin-bottom: 12px;
}

.rina-section .combined-desc {
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.combined-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.combined-tags .tag-cyan {
    padding: 4px 10px;
    background: rgba(0, 255, 208, 0.15);
    border: 1px solid rgba(0, 255, 208, 0.4);
    border-radius: 4px;
    font-size: 10px;
    color: var(--cyan);
}

.combined-tags .tag-purple {
    padding: 4px 10px;
    background: rgba(147, 112, 219, 0.25);
    border: 1px solid rgba(147, 112, 219, 0.5);
    border-radius: 4px;
    font-size: 10px;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

/* 关于我内容区 - 紧凑版 */
.about-header-compact {
    display: flex;
    flex-direction: column;
    gap: 4px;
    position: relative;
    margin-bottom: 15px;
}

.header-title-compact {
    font-size: 22px;
    font-weight: 700;
    color: var(--white);
    margin: 0;
    letter-spacing: 1px;
}

.header-subtitle-compact {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
    letter-spacing: 4px;
}

.header-title-en-compact {
    font-size: 14px;
    font-weight: 600;
    background: linear-gradient(135deg, var(--cyan), var(--magenta));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
    margin: 8px 0 0 0;
}

/* HUD 装饰 - 紧凑版 */
.hud-decoration-compact {
    position: absolute;
    top: 0;
    right: 0;
    width: 80px;
    height: 50px;
    pointer-events: none;
}

.hud-line-compact {
    position: absolute;
    top: 8px;
    right: 0;
    width: 50px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 208, 0.4));
}

.hud-line-compact::after {
    content: '';
    position: absolute;
    top: 6px;
    right: 0;
    width: 25px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 0, 160, 0.3));
}

.hud-corner-compact {
    position: absolute;
    width: 12px;
    height: 12px;
    border: 1px solid rgba(0, 255, 208, 0.3);
}

.hud-corner-compact.top-right {
    top: 0;
    right: 0;
    border-left: none;
    border-bottom: none;
}

.hud-dots-compact {
    position: absolute;
    top: 28px;
    right: 8px;
    display: flex;
    gap: 4px;
}

.hud-dots-compact span {
    width: 3px;
    height: 3px;
    background: rgba(0, 255, 208, 0.5);
    border-radius: 50%;
    animation: hud-pulse 2s infinite;
}

.hud-dots-compact span:nth-child(2) { animation-delay: 0.3s; }
.hud-dots-compact span:nth-child(3) { animation-delay: 0.6s; }

@keyframes hud-pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* 技能网格 - 紧凑版 */
.about-skills-compact {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 15px;
}

.skill-item-compact {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: all 0.3s ease;
}

.skill-item-compact:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(0, 255, 208, 0.2);
    transform: translateX(3px);
}

.skill-icon-compact {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.skill-icon-compact svg {
    width: 14px;
    height: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.skill-item-compact:hover .skill-icon-compact {
    background: rgba(0, 255, 208, 0.1);
    border-color: rgba(0, 255, 208, 0.3);
}

.skill-item-compact:hover .skill-icon-compact svg {
    color: var(--cyan);
}

.skill-info-compact {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.skill-name-compact {
    font-size: 11px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
}

.skill-desc-compact {
    font-size: 9px;
    color: rgba(255, 255, 255, 0.4);
}

.about-bio-compact {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.7;
    margin: 0;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* HUD 开发中徽章 */
.rina-dev-badge {
    position: absolute;
    top: 0;
    right: 0;
    font-size: 9px;
    color: #ffffff;
    background: rgba(0, 0, 0, 0.5);
    padding: 5px 12px 5px 24px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    text-transform: uppercase;
    letter-spacing: 2px;
    backdrop-filter: blur(4px);
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

.rina-dev-badge::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: #FF00A0;
    border-radius: 50%;
    box-shadow: 0 0 10px #FF00A0, 0 0 20px #FF00A0, 0 0 30px #FF00A0;
    animation: hud-blink 1.2s infinite;
}

.rina-dev-badge::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 4px;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.15) 50%, transparent 100%);
    animation: hud-scan 2s linear infinite;
    pointer-events: none;
}

@keyframes hud-blink {
    0%, 100% { opacity: 1; box-shadow: 0 0 10px #FF00A0, 0 0 20px #FF00A0, 0 0 30px #FF00A0; }
    50% { opacity: 0.3; box-shadow: 0 0 5px #FF00A0, 0 0 10px #FF00A0; }
}

@keyframes hud-scan {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* 莉娜预览卡片 - 赛博朋克风格 */
.rina-preview-card {
    display: flex;
    align-items: stretch;
    min-height: 280px;
    border-radius: 12px;
    border: 1px solid rgba(147, 112, 219, 0.3);
    overflow: hidden;
    background: linear-gradient(145deg, #2a2535 0%, #1e1a28 100%);
}

/* 左侧视觉区 */
.rina-preview-visual {
    position: relative;
    width: 40%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px;
    overflow: hidden;
}

/* 网格层 */
.rina-preview-visual .rina-grid {
    position: absolute;
    inset: -50%;
    width: 200%;
    height: 200%;
    pointer-events: none;
    background-image: 
        linear-gradient(rgba(147, 112, 219, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 208, 0.08) 1px, transparent 1px);
    background-size: 8px 8px;
}

/* 星空层 */
.rina-preview-visual .rina-stars {
    position: absolute;
    inset: -50%;
    width: 200%;
    height: 200%;
    pointer-events: none;
    animation: rina-stars-rotate 40s linear infinite;
}

.rina-preview-visual .rina-stars::before,
.rina-preview-visual .rina-stars::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(147, 112, 219, 0.8), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(0, 255, 208, 0.6), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255, 255, 255, 0.5), transparent),
        radial-gradient(2px 2px at 130px 80px, rgba(255, 0, 160, 0.5), transparent),
        radial-gradient(1px 1px at 160px 20px, rgba(255, 255, 255, 0.4), transparent),
        radial-gradient(2px 2px at 200px 60px, rgba(0, 255, 208, 0.4), transparent),
        radial-gradient(1px 1px at 250px 90px, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(2px 2px at 300px 30px, rgba(147, 112, 219, 0.4), transparent),
        radial-gradient(1px 1px at 340px 70px, rgba(255, 255, 255, 0.5), transparent),
        radial-gradient(2px 2px at 380px 50px, rgba(0, 255, 208, 0.5), transparent);
    background-size: 900px 120px;
}

.rina-preview-visual .rina-stars::after {
    transform: translate(450px, 60px);
    opacity: 0.6;
    animation: rina-stars-twinkle 4s ease-in-out infinite alternate;
}

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

@keyframes rina-stars-twinkle {
    0% { opacity: 0.3; }
    100% { opacity: 0.8; }
}

/* 旋转圆圈 */
.rina-preview-visual::before {
    content: '';
    position: absolute;
    width: 140px;
    height: 140px;
    border: 1px dashed rgba(0, 255, 208, 0.4);
    border-radius: 50%;
    animation: rina-circle-rotate 30s linear infinite;
}

.rina-preview-visual::after {
    content: '';
    position: absolute;
    width: 100px;
    height: 100px;
    border: 1px dotted rgba(255, 0, 160, 0.35);
    border-radius: 50%;
    animation: rina-circle-rotate-reverse 25s linear infinite;
}

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

@keyframes rina-circle-rotate-reverse {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(-360deg); }
}

/* Logo 区域 */
.rina-logo-simple {
    position: relative;
    z-index: 5;
    width: 100px;
    height: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
}

.rina-logo-simple::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid rgba(0, 255, 208, 0.5);
    transform: rotate(45deg);
    animation: rina-rotate 20s linear infinite;
    box-shadow: 0 0 20px rgba(0, 255, 208, 0.3), inset 0 0 20px rgba(0, 255, 208, 0.1);
}

.rina-logo-simple::after {
    content: '';
    position: absolute;
    width: 70%;
    height: 70%;
    border: 2px solid rgba(255, 0, 160, 0.5);
    transform: rotate(-45deg);
    animation: rina-rotate-reverse 15s linear infinite;
    box-shadow: 0 0 15px rgba(255, 0, 160, 0.3), inset 0 0 15px rgba(255, 0, 160, 0.1);
}

.rina-logo-simple .kanji {
    position: relative;
    z-index: 6;
    font-size: 22px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 6px;
    text-shadow: 0 0 10px rgba(0, 255, 208, 0.5), 2px 0 rgba(255, 0, 160, 0.3), -2px 0 rgba(0, 255, 208, 0.3);
    animation: kanji-glitch 4s infinite;
}

.rina-logo-simple .kana {
    position: relative;
    z-index: 6;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 3px;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
}

@keyframes rina-rotate {
    0% { transform: rotate(45deg); }
    100% { transform: rotate(405deg); }
}

@keyframes rina-rotate-reverse {
    0% { transform: rotate(-45deg); }
    100% { transform: rotate(-405deg); }
}

@keyframes kanji-glitch {
    0%, 90%, 100% {
        text-shadow: 0 0 10px rgba(0, 255, 208, 0.5), 2px 0 rgba(255, 0, 160, 0.3), -2px 0 rgba(0, 255, 208, 0.3);
    }
    92% {
        text-shadow: 0 0 20px rgba(255, 0, 160, 0.8), -3px 0 rgba(255, 0, 160, 0.5), 3px 0 rgba(0, 255, 208, 0.5);
        transform: translateX(1px);
    }
    94% {
        text-shadow: 0 0 15px rgba(0, 255, 208, 0.8), 3px 0 rgba(255, 0, 160, 0.5), -3px 0 rgba(0, 255, 208, 0.5);
        transform: translateX(-1px);
    }
    96% {
        text-shadow: 0 0 10px rgba(0, 255, 208, 0.5), 2px 0 rgba(255, 0, 160, 0.3), -2px 0 rgba(0, 255, 208, 0.3);
        transform: translateX(0);
    }
}

/* 右侧内容区 - 流动色块背景 */
.rina-preview-content {
    width: 60%;
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.rina-content-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 15% 25%, rgba(147, 112, 219, 0.7) 0%, rgba(147, 112, 219, 0.25) 35%, transparent 55%),
        radial-gradient(circle at 85% 75%, rgba(0, 255, 208, 0.6) 0%, rgba(0, 255, 208, 0.2) 30%, transparent 50%),
        radial-gradient(circle at 60% 40%, rgba(255, 0, 160, 0.55) 0%, rgba(255, 0, 160, 0.15) 40%, transparent 60%),
        radial-gradient(circle at 30% 70%, rgba(255, 200, 100, 0.5) 0%, rgba(255, 200, 100, 0.12) 35%, transparent 55%),
        linear-gradient(145deg, #d8d4ce 0%, #c8c4be 50%, #d0ccc6 100%);
    background-size: 180% 180%, 180% 180%, 180% 180%, 180% 180%, 100% 100%;
    animation: rina-blob-flow 10s ease-in-out infinite;
    z-index: 0;
}

.rina-content-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 30% 20%, rgba(0,0,0,0.15) 0%, transparent 40%),
        radial-gradient(ellipse at 70% 80%, rgba(0,0,0,0.12) 0%, transparent 35%);
    animation: rina-shadow-flow 10s ease-in-out infinite;
    z-index: 1;
    pointer-events: none;
}

@keyframes rina-blob-flow {
    0%, 100% {
        background-position: 0% 0%, 100% 100%, 50% 50%, 0% 100%, 0% 0%;
    }
    25% {
        background-position: 80% 30%, 20% 70%, 80% 20%, 60% 40%, 0% 0%;
    }
    50% {
        background-position: 100% 60%, 0% 40%, 20% 80%, 80% 20%, 0% 0%;
    }
    75% {
        background-position: 40% 80%, 60% 20%, 70% 60%, 30% 70%, 0% 0%;
    }
}

@keyframes rina-shadow-flow {
    0%, 100% { opacity: 0.6; transform: translate(0, 0); }
    50% { opacity: 0.9; transform: translate(-5%, 3%); }
}

/* 内容内层 */
.rina-content-inner {
    position: relative;
    z-index: 1;
    padding: 25px 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.rina-preview-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    position: relative;
}

.rina-preview-title {
    font-size: 20px;
    font-weight: 600;
    color: #ffffff;
    margin: 0;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.rina-preview-romaji {
    font-size: 12px;
    font-weight: 500;
    color: #ffffff;
    letter-spacing: 2px;
    text-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

/* HUD 开发中徽章 */
.rina-dev-badge {
    position: absolute;
    top: 0;
    right: 0;
    font-size: 9px;
    color: #ffffff;
    background: rgba(0, 0, 0, 0.5);
    padding: 5px 12px 5px 24px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    text-transform: uppercase;
    letter-spacing: 2px;
    backdrop-filter: blur(4px);
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

.rina-dev-badge::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: #FF00A0;
    border-radius: 50%;
    box-shadow: 0 0 10px #FF00A0, 0 0 20px #FF00A0, 0 0 30px #FF00A0;
    animation: hud-blink 1.2s infinite;
}

.rina-dev-badge::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 4px;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.15) 50%, transparent 100%);
    animation: hud-scan 2s linear infinite;
    pointer-events: none;
}

@keyframes hud-blink {
    0%, 100% { opacity: 1; box-shadow: 0 0 10px #FF00A0, 0 0 20px #FF00A0, 0 0 30px #FF00A0; }
    50% { opacity: 0.3; box-shadow: 0 0 5px #FF00A0, 0 0 10px #FF00A0; }
}

@keyframes hud-scan {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.rina-preview-desc {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.7;
    margin-bottom: 15px;
    text-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

.rina-preview-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.rina-preview-tags .preview-tag {
    padding: 5px 12px;
    background: rgba(147, 112, 219, 0.25);
    border: 1px solid rgba(147, 112, 219, 0.5);
    border-radius: 4px;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

/* 响应式 */
@media (max-width: 992px) {
    .combined-about-card {
        flex-direction: column;
    }
    
    .combined-section {
        min-height: 280px;
    }
    
    .about-me-section {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    
    .rina-section {
        border-left: none;
        border-top: 1px solid rgba(147, 112, 219, 0.15);
    }
}

@media (max-width: 768px) {
    .combined-section {
        flex-direction: column;
        min-height: auto;
    }
    
    .about-visual,
    .rina-visual-section {
        width: 100%;
        min-height: 160px;
    }
    
    .combined-content {
        width: 100%;
    }
    
    .about-preview-card,
    .rina-preview-card {
        flex-direction: column;
        min-height: auto;
    }
    
    .about-preview-visual,
    .rina-preview-visual {
        width: 100%;
        min-height: 160px;
    }
    
    .about-preview-content,
    .rina-preview-content {
        width: 100%;
    }
}

/* 页脚 */
.footer {
    padding: 40px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* 筛选标签 */
.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 10px 24px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-tab:hover {
    border-color: var(--cyan);
    color: var(--cyan);
}

.filter-tab.active {
    background: linear-gradient(135deg, var(--cyan), var(--magenta));
    border-color: transparent;
    color: var(--black);
    font-weight: 500;
}

/* 视频网格 */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.video-card {
    cursor: pointer;
    transition: transform 0.3s ease;
}

.video-card:hover {
    transform: translateY(-5px);
}

.video-thumbnail {
    position: relative;
    aspect-ratio: 16/9;
    border-radius: 8px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(0, 255, 208, 0.1), rgba(255, 0, 160, 0.1));
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.video-card:hover .video-thumbnail img {
    transform: scale(1.05);
}

.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-card:hover .play-overlay {
    opacity: 1;
}

.play-icon-large {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--cyan), var(--magenta));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--black);
    transition: transform 0.3s ease;
}

.video-card:hover .play-icon-large {
    transform: scale(1.1);
}

.video-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    padding: 4px 8px;
    background: rgba(0, 0, 0, 0.8);
    border-radius: 4px;
    font-size: 12px;
    color: var(--white);
}

.video-info-card {
    padding: 15px 5px;
}

.video-info-card .video-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--white);
}

.video-info-card .video-desc {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

/* 系列网格 */
.series-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.series-card {
    cursor: pointer;
    transition: transform 0.3s ease;
}

.series-card:hover {
    transform: translateY(-5px);
}

.series-cover {
    position: relative;
    aspect-ratio: 16/9;
    border-radius: 8px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(0, 255, 208, 0.1), rgba(255, 0, 160, 0.1));
}

.series-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.series-card:hover .series-cover img {
    transform: scale(1.05);
}

.series-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 50%);
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    padding: 15px;
}

.series-count {
    padding: 6px 12px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 20px;
    font-size: 12px;
    color: var(--cyan);
    border: 1px solid rgba(0, 255, 208, 0.3);
}

.series-info {
    padding: 15px 5px;
}

.series-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--white);
}

.series-desc {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 40px;
}

.page-btn,
.page-num {
    padding: 10px 20px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-btn:hover:not(:disabled),
.page-num:hover {
    border-color: var(--cyan);
    color: var(--cyan);
}

.page-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.page-num.active {
    background: linear-gradient(135deg, var(--cyan), var(--magenta));
    border-color: transparent;
    color: var(--black);
    font-weight: 500;
}

.page-numbers {
    display: flex;
    gap: 10px;
}

/* 视频弹窗 */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.video-modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    z-index: 2001;
    width: 90%;
    max-width: 1000px;
    background: var(--dark-gray);
    border-radius: 12px;
    overflow: hidden;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    border-radius: 50%;
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
    z-index: 2002;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--magenta);
}

.modal-video-container {
    position: relative;
    aspect-ratio: 16/9;
    background: var(--black);
}

.modal-video-container video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.modal-info {
    padding: 20px 30px;
}

.modal-info h3 {
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--white);
}

.modal-info p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* 系列展开面板 */
.series-panel {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    overflow-y: auto;
}

.series-panel.active {
    display: block;
}

.series-panel.active .panel-content {
    animation: panelFadeIn 0.3s ease;
}

@keyframes panelFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.panel-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1;
}

.panel-content {
    position: relative;
    z-index: 2;
    width: 100%;
    min-height: 100vh;
    padding: 100px 40px 40px;
    background: transparent;
    pointer-events: none; /* 让点击穿透到overlay */
}

.panel-content > * {
    pointer-events: auto; /* 子元素恢复点击 */
}

.panel-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: var(--white);
    font-size: 28px;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
}

.panel-close:hover {
    background: var(--magenta);
    border-color: var(--magenta);
}

.panel-header {
    text-align: center;
    margin-bottom: 40px;
    color: var(--white);
}

.panel-header h2 {
    font-size: 32px;
    margin-bottom: 10px;
    color: var(--white);
}

.panel-header p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.6);
}

.panel-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
    padding: 20px;
}

.panel-gallery img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.panel-gallery img:hover {
    transform: scale(1.02);
}

.panel-img-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    background: #333;
    aspect-ratio: 4/3;
}

.panel-img-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.3s ease;
    display: block;
    display: block;
}

.panel-img-item:hover img {
    transform: scale(1.02);
}

/* 关于区域 */
.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-main {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.about-text h3 {
    font-size: 36px;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--cyan), var(--magenta));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-role {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.about-bio {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 30px;
}

.about-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tag {
    padding: 8px 16px;
    background: rgba(0, 255, 208, 0.1);
    border: 1px solid rgba(0, 255, 208, 0.3);
    border-radius: 20px;
    font-size: 13px;
    color: var(--cyan);
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: rgba(0, 255, 208, 0.2);
    transform: translateY(-2px);
}

.project-card {
    background: linear-gradient(135deg, rgba(0, 255, 208, 0.05), rgba(255, 0, 160, 0.05));
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 12px;
}

.project-card h4 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--cyan);
}

.project-card p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 20px;
    line-height: 1.6;
}

.project-link {
    color: var(--magenta);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.project-link:hover {
    color: var(--cyan);
}

.contact-section {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-section h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: var(--white);
}

.contact-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 25px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-item:hover {
    border-color: var(--cyan);
    background: rgba(0, 255, 208, 0.1);
    transform: translateY(-3px);
}

.contact-icon {
    font-size: 20px;
}

/* 响应式 */
@media (max-width: 768px) {
    .navbar {
        padding: 15px 0;
    }

    .nav-container {
        padding: 0 20px;
    }

    .nav-links {
        gap: 20px;
    }

    .nav-links a {
        font-size: 12px;
        letter-spacing: 1px;
    }

    /* Logo 导航栏缩小 */
    .logo {
        width: 52px;
        height: 52px;
    }

    /* Hero 区域 */
    .hero {
        height: 90vh;
    }

    .hero-title {
        font-size: clamp(14px, 4.5vw, 22px);
        letter-spacing: 3px;
    }

    .hero-subtitle {
        font-size: 11px;
        letter-spacing: 2px;
    }

    .scroll-indicator {
        bottom: 20px;
    }

    /* 首页 section 内边距 */
    .section {
        padding: 60px 20px;
    }

    .section-featured {
        padding: 60px 20px;
    }

    .section-title {
        font-size: 28px;
        margin-bottom: 40px;
    }

    /* 视频轮播 - 主图宽高比改为 16/9 方便手机观看 */
    .carousel-main {
        aspect-ratio: 16/9;
        max-height: 56vw;
        border-radius: 8px;
    }

    .carousel-video .play-icon-large {
        width: 64px;
        height: 64px;
        font-size: 28px;
    }

    .carousel-video .video-info {
        padding: 24px 16px 16px;
    }

    .carousel-video .video-info h3 {
        font-size: 16px;
        margin-bottom: 4px;
    }

    .carousel-video .video-info p {
        font-size: 12px;
    }

    .carousel-video .video-duration {
        font-size: 11px;
        bottom: 60px;
        right: 12px;
    }

    /* 缩略图：2列横排，加大间距，隐藏标题 */
    .carousel-thumbs {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        margin-bottom: 16px;
    }

    .thumb {
        border-radius: 6px;
    }

    .thumb-title {
        display: none;
    }

    /* ── 静态区域缩略图条：手机端优化 ── */
    .thumbnail-strip {
        gap: 10px;
        padding: 12px 6px;
    }

    .thumbnail-item {
        width: 120px;
    }

    .thumbnail-title {
        font-size: 11px;
        padding: 6px 4px;
    }

    /* 图片画廊 */
    .works-grid {
        grid-template-columns: 1fr;
    }

    .filter-tabs {
        gap: 10px;
    }

    .filter-tab {
        padding: 8px 16px;
        font-size: 12px;
    }

    .video-grid,
    .series-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .about-main {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .contact-links {
        flex-direction: column;
        align-items: center;
    }

    .panel-content {
        padding: 60px 20px 20px;
    }

    .panel-close {
        right: 20px;
        width: 40px;
        height: 40px;
        font-size: 20px;
    }

    .panel-gallery {
        grid-template-columns: 1fr;
    }

    .pagination {
        flex-wrap: wrap;
        gap: 10px;
    }

    .page-btn,
    .page-num {
        padding: 8px 12px;
        font-size: 12px;
    }

    /* 简化版合并卡片 - 移动端 */
    .combined-about-card {
        flex-direction: column !important;
        gap: 20px !important;
    }

    .combined-left,
    .combined-right {
        width: 100% !important;
        min-height: auto !important;
    }
}

/* 超小屏 (≤480px) */
@media (max-width: 480px) {
    .nav-links {
        gap: 14px;
    }

    .nav-links a {
        font-size: 11px;
        letter-spacing: 0.5px;
    }

    .logo {
        width: 44px;
        height: 44px;
    }

    .hero-title {
        font-size: clamp(12px, 4vw, 18px);
        letter-spacing: 2px;
    }

    /* 视频轮播缩略图：2 列 */
    .carousel-thumbs {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }

    .carousel-video .play-icon-large {
        width: 50px;
        height: 50px;
        font-size: 22px;
    }

    .section {
        padding: 50px 16px;
    }

    .section-featured {
        padding: 50px 16px;
    }

    .section-title {
        font-size: 22px;
        letter-spacing: 2px;
    }
}

/* ========== 主页 - 关于我+莉娜 合并卡片（简化版） ========== */

.combined-about-card {
    display: flex;
    gap: 2px; /* 赛博边框效果 */
    border-radius: 16px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(0, 255, 208, 0.15);
}

/* ===== 左侧：关于我（青色系）===== */
.combined-left {
    flex: 1;
    display: flex;
    gap: 25px;
    padding: 35px;
    background: linear-gradient(135deg, rgba(0, 255, 208, 0.06), rgba(0, 40, 50, 0.3));
    position: relative;
    align-items: center;
}

.combined-left::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
}

.about-visual-section {
    flex-shrink: 0;
}

.about-logo-mini {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0, 255, 208, 0.15), rgba(0, 255, 208, 0.05));
    border: 1.5px solid rgba(0, 255, 208, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    box-shadow: 0 0 30px rgba(0, 255, 208, 0.15), inset 0 0 15px rgba(0, 255, 208, 0.08);
}

.about-logo-mini img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
    filter: brightness(1.05) contrast(1.1);
}

.about-content-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mini-name {
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 1px;
    margin: 0;
}

.mini-role {
    font-size: 13px;
    color: var(--cyan);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin: 0;
    opacity: 0.9;
}

.mini-bio {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.65);
    margin: 5px 0 0;
}

.mini-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.mini-tags span {
    font-size: 12px;
    padding: 4px 12px;
    background: rgba(0, 255, 208, 0.08);
    border: 1px solid rgba(0, 255, 208, 0.25);
    border-radius: 14px;
    color: var(--cyan);
    white-space: nowrap;
}

/* ===== 右侧：莉娜计划（紫/洋红系）===== */
.combined-right {
    flex: 1;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: linear-gradient(135deg, rgba(147, 112, 219, 0.1), rgba(80, 20, 60, 0.4));
}

.rina-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.rina-grid-mini {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(147, 112, 219, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(147, 112, 219, 0.06) 1px, transparent 1px);
    background-size: 24px 24px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(24px, 24px); }
}

.rina-inner {
    position: relative;
    z-index: 1;
    padding: 35px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.rina-name {
    font-size: 22px;
    font-weight: 700;
    color: var(--white);
    margin: 0;
    display: flex;
    align-items: baseline;
    gap: 10px;
    flex-wrap: wrap;
}

.rina-en {
    font-size: 13px;
    font-weight: 400;
    color: rgba(200, 170, 230, 0.6);
    letter-spacing: 1.5px;
}

.rina-badge-mini {
    display: inline-block;
    font-size: 11px;
    padding: 3px 10px;
    background: rgba(147, 112, 219, 0.2);
    border: 1px solid rgba(147, 112, 219, 0.4);
    border-radius: 10px;
    color: #B8A0D9;
    letter-spacing: 1px;
    width: fit-content;
}

.rina-brief {
    font-size: 14px;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.6);
    margin: 4px 0 0;
}

.rina-link {
    display: inline-block;
    font-size: 13px;
    color: #C8A0E0;
    text-decoration: none;
    margin-top: 4px;
    transition: all 0.3s ease;
    width: fit-content;
}

.rina-link:hover {
    color: var(--magenta);
    text-shadow: 0 0 12px rgba(255, 0, 160, 0.4);
}

/* ===== GPU 合成优化 - will-change ===== */
/* 页面转场动画 */
.page-transition,
.page-transition .rgb-split,
.page-transition .rgb-split::before,
.page-transition .rgb-split::after,
.page-transition .tear-lines,
.page-transition .tear-line,
.page-transition .flash {
    will-change: opacity, transform;
}

/* Hero 区域 */
.hero-title.glitch,
.hero-title.glitch::before,
.hero-title.glitch::after {
    will-change: transform, clip-path;
}

.bg-video {
    will-change: transform;
}

/* 滚动指示器 */
.scroll-indicator {
    will-change: opacity, transform;
}

/* 莉娜背景色块流动 */
.rina-bg {
    will-change: background-position;
}
.rina-bg::before {
    will-change: background-position;
}

/* 首页卡片顶部动画区 */
.about-new-top,
.about-new-top::before,
.about-new-top::after {
    will-change: background-position, transform, opacity, width;
}

/* Logo 故障动画 */
.top-logo-img.main,
.top-logo-img.cyan,
.top-logo-img.magenta {
    will-change: transform, filter, opacity;
}

/* 圆圈旋转 */
.top-rina-circles::before,
.top-rina-circles::after {
    will-change: transform;
}

/* 扫描线 */
.about-new-top .top-scanline::before,
.about-new-top .top-scanline::after {
    will-change: transform, left, top;
}

/* 星空闪烁 */
.star {
    will-change: opacity, transform, background;
}

/* 底部光晕脉冲 */
.about-new-left::before,
.about-new-left::after {
    will-change: opacity, transform;
}

/* about.html 莉娜视觉区 */
.rina-visual-section .rina-grid,
.rina-visual-section .rina-stars,
.rina-visual-section .rina-circles,
.rina-visual-section .rina-lines,
.rina-visual-section .rina-ripples {
    will-change: transform;
}

/* 网格背景动画 */
.rina-grid-mini {
    will-change: transform;
}