:root {
    --miku-green: #39C5BB;
    --miku-pink: #FF6699;
    --miku-black: #1A1A1A;
    --bg-dark: #0d1117;
    --panel-bg: rgba(20, 25, 35, 0.8);
    --text-main: #ffffff;
    --nav-bg: var(--miku-green);
    --card-bg: rgba(57, 197, 187, 0.1);
    --pixel-font: 'DotGothic16', sans-serif;
}

@media (prefers-color-scheme: light) {
    :root {
        --bg-dark: #f0f5f5;
        --text-main: #1a1a1a; 
        --panel-bg: rgba(255, 255, 255, 0.9);
        --card-bg: rgba(57, 197, 187, 0.05);
        --miku-black: #ffffff;
        --nav-bg: #ffffff;
    }
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Orbitron';
    letter-spacing: 1.5px;
    line-height: 2.1;
    margin: 0;
    transition: background-color 0.5s, color 0.5s;
}

.miku-bg-stripes {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: repeating-linear-gradient(
        45deg,
        rgba(57, 197, 187, 0.03) 0px,
        rgba(57, 197, 187, 0.03) 2px,
        transparent 2px,
        transparent 10px
    );
    z-index: -1;
}

.miku-nav {
    display: flex;
    justify-content: space-between;
    padding: 20px 50px;
    background: var(--miku-green);
    color: var(--miku-black);
}

.miku-nav a {
    color: var(--miku-black);
    text-decoration: none;
    font-weight: bold;
    margin-left: 20px;
    border-bottom: 2px solid transparent;
}

.miku-nav a:hover { border-bottom: 2px solid var(--miku-pink); }

.panel {
    min-height: auto;
    padding: 100px 10%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.miku-text {
    font-size: 4rem;
    color: var(--miku-green);
    text-shadow: 4px 4px var(--miku-pink), 0 0 20px var(--miku-green);
    text-align: center;
    
}



.game-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}




.game-item {
    display: flex;
    flex-direction: column;
    min-height: 320px; 
    min-height: 320px; 
    justify-content: flex-start;
}

.game-item .mission-info {
    padding-top: 15px;
}

.game-item h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--miku-green);
}

.game-item p {
    font-size: 0.85rem;
    line-height: 1.4;
    opacity: 0.9;
}



@media (max-width: 900px) {
    .game-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 600px) {
    .game-grid {
        grid-template-columns: 1fr;
    }
}

.game-item:hover {
    transform: scale(1.05) rotate(1deg);
    background: rgba(255, 102, 153, 0.1);
    border-color: var(--miku-pink);
}

.game-img-todo {
    height: 250px;
    width: 350px;
    background: #000;
    border: 1px dashed var(--miku-green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: var(--miku-green);
    overflow: hidden;
    position: relative; 
   
}

.game-img-todo img {
    width: 100%;
    height: 100%;
    object-fit: cover; 
    object-position: center; 
    display: block;
}



.cosplay-placeholder {
    width: 100%;
    height: 500px;
    border: 5px double var(--miku-pink);
    background: rgba(255, 102, 153, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--pixel-font);
}

.section-title {
    font-size: 2.5rem;
    border-left: 10px solid var(--miku-pink);
    padding-left: 20px;
    width: 100%;
}




.timeline-container {
    position: relative;
    max-width: 900px;
    margin: 50px auto;
    padding-left: 20px;
    border-left: 4px dashed var(--miku-green); 
    border-left: 4px dashed var(--miku-green); 
}

.mission-entry {
    position: relative;
    margin-bottom: 80px;
    padding-left: 40px;
}



.mission-entry::before {
    content: "";
    position: absolute;
    left: -12px;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--miku-pink);
    border: 3px solid var(--miku-green);
    box-shadow: 0 0 10px var(--miku-green);
}

.timeline-date {
    font-family: 'DotGothic16', sans-serif;
    color: var(--miku-pink);
    font-size: 1.2rem;
    margin-bottom: 10px;
}



.mission-blob {
    display: flex;
    background: rgba(57, 197, 187, 0.05);
    border: 3px solid var(--miku-green);
    padding: 20px;
    gap: 20px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); 
}

.mission-blob:hover {
    transform: translateX(10px) scale(1.02);
    background: rgba(57, 197, 187, 0.15);
    box-shadow: -10px 10px 0px var(--miku-pink);
}



.mission-visual {
    width: 100%; 
    height: 200px;  
    overflow: hidden;  
    border: 1px solid var(--miku-green); 
    margin-bottom: 15px;
    background: rgba(0, 0, 0, 0.3); 
    background: rgba(0, 0, 0, 0.3); 
}



.mission-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover; 
    object-fit: cover; 
    display: block;
}

.mission-info h3 {
    margin-top: 0;
    color: var(--miku-green);
}



.pixel-btn {
    display: inline-block;
    padding: 10px 25px;
    background: var(--miku-green);
    color: var(--miku-black);
    text-decoration: none;
    font-family: 'DotGothic16', sans-serif;
    font-weight: bold;
    border: 4px solid var(--miku-black);
    box-shadow: 4px 4px 0px var(--miku-pink);
    transition: 0.1s;
    margin-top: 15px;
}

.pixel-btn:hover {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0px var(--miku-pink);
    background: var(--miku-pink);
    color: white;
}



.carousel-container {
    perspective: 2000px; 
    perspective: 2000px; 
    width: 100%;
    height: 600px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: visible;
}



.carousel {
    width: 300px;
    height: 450px;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.15); 
    transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.15); 
}



.carousel-item {
    position: absolute;
    width: 300px;
    height: 450px;
    left: 0;
    top: 0;
    background: var(--miku-black);
    border: 4px solid var(--miku-green);
    border-radius: 20px;
    cursor: pointer;
    backface-visibility: hidden; 
    backface-visibility: hidden; 
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-inner {
    width: 90%;
    height: 94%;
    border: 2px dashed rgba(57, 197, 187, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--miku-green);
    font-family: var(--pixel-font);
}



.carousel-item.active {
    border-color: var(--miku-pink);
    box-shadow: 0 0 40px var(--miku-pink);
}

.lang-switch {
    display: inline-flex;
    margin-left: 30px;
    font-family: var(--pixel-font);
    cursor: pointer;
    font-weight: bold;
}

.lang-switch span {
    transition: color 0.3s;
    color: rgba(26, 26, 26, 0.5); 
    color: rgba(26, 26, 26, 0.5); 
}

.lang-switch .active {
    color: var(--miku-pink) !important; 
    color: var(--miku-pink) !important; 
    text-shadow: 0 0 10px var(--miku-pink);
}

.lang-switch .separator {
    margin: 0 5px;
    cursor: default;
}


[lang="zh"] {
    display: none;
}


body.lang-zh [lang="en"] {
    display: none;
}

body.lang-zh [lang="zh"] {
    display: inline-block;
}



.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    max-width: 2200px;
    width: 100%;
}

.miku-glitch-box {
    flex: 1;
    text-align: left;
    background: rgba(57, 197, 187, 0.05);
    padding: 30px;
    border-right: 4px solid var(--miku-pink);
    position: relative;
}

.identity-tags {
    margin: 10px 0 20px 0;
}

.tag {
    background: var(--miku-pink);
    color: white;
    padding: 4px 12px;
    font-size: 1.0rem;
    margin-right: 10px;
    clip-path: polygon(10% 0, 100% 0, 90% 100%, 0 100%);
}

.intro-bio {
    /*
    font-family: var(--pixel-font);*/
    line-height: 2.0;
    font-size: 1.1rem;
    margin: 20px 0;
    color: var(--text-main);
}

.intro-bio strong {
    color: var(--miku-green);
    border-bottom: 2px solid var(--miku-green);
}

.hero-stats {
    display: flex;
    gap: 20px;
    margin-top: 30px;
}

.stat-item {
    font-size: 0.9rem;
    border: 1px solid var(--miku-green);
    padding: 5px 15px;
    color: var(--miku-green);
}

.stat-label {
    color: var(--miku-pink);
    font-weight: bold;
    margin-right: 5px;
}

.miku-avatar-wrapper {
    width: 300px;
    filter: drop-shadow(0 0 15px var(--miku-green));
}



@media (max-width: 768px) {
    .hero-container {
        flex-direction: column-reverse;
        text-align: center;
    }
    .miku-glitch-box {
        border-right: none;
        border-bottom: 4px solid var(--miku-pink);
    }
}




.cos-photo-wrapper {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
    border-radius: 15px; 
    border-radius: 15px; 
}

.cos-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}


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

.cos-label {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--miku-pink);
    color: white;
    font-family: var(--pixel-font);
    font-size: 0.9rem;
    padding: 8px 0;
    text-align: center;
    z-index: 2;
    clip-path: polygon(0 20%, 100% 0, 100% 100%, 0 100%);
}



.carousel-item .card-inner {
    border: none;
    padding: 0;
    width: 100%;
    height: 100%;
    background: transparent;
}



.scanline {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: rgba(57, 197, 187, 0.5);
    opacity: 0.5;
    z-index: 1;
    pointer-events: none;
    animation: scan 3s linear infinite;
}

@keyframes scan {
    0% { top: 0; }
    100% { top: 100%; }
}



.miku-footer {
    background: var(--bg-dark);
    padding: 80px 0 40px;
    border-top: 4px solid var(--miku-green);
    position: relative;
    color: var(--text-main);
    /*font-family: var(--pixel-font);*/
    text-align: center;
    overflow: hidden;
}



.miku-footer::before {
    content: "";
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(rgba(57, 197, 187, 0.03) 1px, transparent 1px);
    background-size: 100% 4px;
    pointer-events: none;
}

.footer-glitch-text {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.8rem;
    color: var(--miku-green);
    margin-bottom: 40px;
    letter-spacing: 4px;
    text-shadow: 2px 2px var(--miku-pink);
}

.footer-socials {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.social-item {
    text-decoration: none;
    color: var(--text-main);
    border: 1px solid var(--miku-green);
    padding: 12px 25px;
    font-size: 0.9rem;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background: rgba(57, 197, 187, 0.05);
    display: flex;
    align-items: center;
    gap: 10px;
}

.social-icon {
    font-weight: bold;
    color: var(--miku-pink);
    border-right: 1px solid var(--miku-green);
    padding-right: 10px;
}

.social-item:hover {
    background: var(--miku-green);
    color: var(--miku-black);
    box-shadow: 0 0 20px var(--miku-green);
    transform: translateY(-5px);
}

.social-item:hover .social-icon {
    color: var(--miku-black);
    border-right-color: var(--miku-black);
}

.footer-contact {
    margin-bottom: 60px;
}

.contact-label {
    color: var(--miku-pink);
    font-size: 0.8rem;
    margin-bottom: 10px;
    opacity: 0.8;
}

.email-address {
    color: var(--text-main);
    font-size: 1.4rem;
    text-decoration: none;
    border-bottom: 2px dashed var(--miku-green);
    padding-bottom: 5px;
    transition: all 0.3s;
}

.email-address:hover {
    color: var(--miku-green);
    border-bottom-style: solid;
    text-shadow: 0 0 10px var(--miku-green);
}

.footer-bottom {
    font-size: 0.7rem;
    opacity: 0.4;
    margin-top: 40px;
    letter-spacing: 1px;
}



@media (max-width: 600px) {
    .social-item {
        width: 80%;
        justify-content: center;
    }
    .email-address {
        font-size: 1rem;
    }
}



.music-player-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 50px 0;
    font-family: var(--pixel-font);
}



.disc-wrapper {
    position: relative;
    width: 200px;
    height: 200px;
    cursor: pointer;
    perspective: 1000px;
}



.vinyl-disc {
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, #222 30%, #000 70%);
    border-radius: 50%;
    border: 4px solid #333;
    position: relative;
    box-shadow: 0 0 20px rgba(0,0,0,0.5), 0 0 5px var(--miku-green);
    transition: transform 0.5s ease;

    animation: rotateDisc 5s linear infinite;
    animation-play-state: paused;
}



.disc-cover-art {
    position: absolute;
    top: 25%; left: 25%;
    width: 50%; height: 50%;
    border-radius: 50%;
    overflow: hidden;
    z-index: 2;
}

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



.disc-center-hole {
    position: absolute;
    top: 45%; left: 45%;
    width: 10%; height: 10%;
    background: var(--bg-dark);
    border-radius: 50%;
    z-index: 3;
    border: 2px solid #555;
}



@keyframes rotateDisc {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}



.disc-wrapper.playing .vinyl-disc {
    animation-play-state: running;
    box-shadow: 0 0 30px var(--miku-green);
}



.player-info {
    margin-top: 20px;
    text-align: center;
}

.status-text {
    display: block;
    color: var(--miku-pink);
    font-size: 0.8rem;
    margin-bottom: 5px;
}

.track-name {
    color: var(--miku-green);
    letter-spacing: 2px;
}


.hero-education {
    margin: 30px 0 25px;
    padding: 20px;
    background: rgba(57, 197, 187, 0.05);
    border-left: 5px solid var(--miku-pink);
}

.edu-summary {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}


.edu-detail {
    flex: 1;
}

.edu-detail strong {
    display: block;
    color: var(--miku-green);
    font-size: 1.5rem;
}

.edu-detail span {
    font-size: 1.0rem;
    opacity: 0.8;
}

.edu-year {
    color: var(--miku-pink);
    /*font-family: var(--pixel-font);*/
    padding: 5px 12px;
    border: 2.5px dashed var(--miku-pink);
    font-size: 1.2rem;
}

.edu-honors {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.honor-tag {
    font-size: 1.0rem;
    background: rgba(255, 102, 153, 0.1);
    padding: 4px 12px;
    border-radius: 20px;
}

.hero-skills {
    margin-top: 24px;
}

.skills-category {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}



.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.mini-tag {
    background: rgba(57, 197, 187, 0.1);
    border: 1px solid var(--miku-green);
    color: var(--miku-green);
    padding: 3px 10px;
    font-size: 1.2rem;
    /*font-family: var(--pixel-font);*/
}

.more-skills {
    margin-top: 10px;
}

.more-skills summary {
    color: var(--miku-pink);
    cursor: pointer;
    font-size: 1.0rem;
}

.expanded {
    margin-top: 10px;
}

.edu-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    max-width: 1000px;
    width: 100%;
}

.edu-university {
    background: rgba(57, 197, 187, 0.05);
    padding: 25px;
    border: 2px solid var(--miku-green);
}

.uni-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.uni-icon {
    font-size: 2rem;
}

.uni-header h3 {
    color: var(--miku-green);
    font-size: 1.3rem;
}

.uni-location {
    color: var(--miku-pink);
    font-size: 0.8rem;
}

.uni-meta {
    display: flex;
    gap: 20px;
    padding: 15px 0;
    border-bottom: 1px dashed var(--miku-green);
    margin-bottom: 15px;
}

.uni-honors {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.honor-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.honor-text strong {
    display: block;
    color: var(--miku-green);
}

.skill-tree {
    background: rgba(57, 197, 187, 0.05);
    padding: 25px;
    border: 2px solid var(--miku-pink);
}

.skill-tree h3 {
    color: var(--miku-pink);
    margin-bottom: 20px;
}

.skill-branches {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.skill-branch {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.branch-label {
    color: var(--miku-green);
    font-size: 0.9rem;
    min-width: 100px;
}

.branch-tags {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-chip {
    background: rgba(57, 197, 187, 0.1);
    border: 1px solid var(--miku-green);
    padding: 5px 12px;
    font-size: 0.8rem;
}

@media (max-width: 768px) {
    .edu-showcase {
        grid-template-columns: 1fr;
    }
}

/* Video Modal */
.video-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}
.video-modal-overlay.active {
    display: flex;
}
.video-modal-content {
    position: relative;
    max-width: 860px;
    width: 90%;
}
.video-modal-content video {
    width: 100%;
    border: 2px solid var(--neon-pink, #ff69b4);
    display: block;
}
.video-modal-close {
    position: absolute;
    top: -2rem;
    right: 0;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
}