/* ===== CSS Reset & Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-bg: #ffffff;
    --secondary-bg: #f5f5f5;
    --card-bg: #ffffff;
    --text-primary: #000000;
    --text-secondary: #666666;
    --accent: #000000;
    --accent-hover: #333333;
    --border: rgba(0, 0, 0, 0.1);
    --shadow: rgba(0, 0, 0, 0.05);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Serif SC', serif;
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.8;
    overflow-x: hidden;
}

/* 英文模式字体 - Cormorant Garamond */
body[data-lang="en"] {
    font-family: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    letter-spacing: 0.01em;
}

body[data-lang="en"] .hero-title {
    font-family: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    font-weight: 300;
    letter-spacing: 0.02em;
}

body[data-lang="en"] .hero-description,
body[data-lang="en"] .timeline-content {
    font-family: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    font-weight: 300;
}

body[data-lang="en"] .nav-menu a,
body[data-lang="en"] .nav-brand {
    font-family: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    font-weight: 300;
}

/* 英文模式诗标题字体 */
body[data-lang="en"] .poem-title,
body[data-lang="en"] .poem-place,
body[data-lang="en"] .poem-time {
    font-family: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    font-weight: 300;
}

/* 英文模式音乐页面字体 */
body[data-lang="en"] .album-title,
body[data-lang="en"] .track-title,
body[data-lang="en"] .player-title,
body[data-lang="en"] .player-album {
    font-family: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    font-weight: 300;
}

/* 英文模式页脚字体 */
body[data-lang="en"] .footer {
    font-family: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    font-weight: 300;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0.8rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--accent);
    letter-spacing: 0.05em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu > li {
    position: relative;
}

.nav-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 400;
    transition: var(--transition);
    position: relative;
    display: block;
}

.nav-menu > li > a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
}

.nav-menu > li > a:hover {
    color: var(--accent);
}

.nav-menu > li > a:hover::after {
    width: 100%;
}

.nav-menu > li > a.active {
    color: var(--accent);
}

.nav-menu > li > a.active::after {
    width: 100%;
}

/* 下拉菜单样式 */
.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 1rem;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    list-style: none;
    padding: 0.5rem 0;
    min-width: 120px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    margin-top: 0.5rem;
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    padding: 0.6rem 1.5rem;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition);
}

.dropdown-menu a:hover {
    background: var(--secondary-bg);
    color: var(--accent);
}

.dropdown-menu a::after {
    display: none;
}

/* 语言切换按钮 */
.lang-toggle {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 300;
    transition: var(--transition);
    font-family: 'Cormorant Garamond', 'Noto Sans SC', Georgia, serif;
    letter-spacing: 0.05em;
}

.lang-toggle:hover {
    background: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
}

/* ===== Hero Section ===== */
.hero {
    min-height: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    background: #ffffff;
    padding: 6rem 4rem 2rem 4rem;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    z-index: 2;
    max-width: 800px;
    width: 100%;
    text-align: center;
}

.hero-photo-container {
    flex-shrink: 0;
    animation: fadeInUp 1s ease-out;
}

.hero-photo {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent);
    transition: var(--transition);
}

.hero-photo:hover {
    transform: scale(1.05);
}

/* 新的简洁图片样式 */
.hero-photo-simple {
    max-width: 300px;
    width: 100%;
    height: auto;
    object-fit: cover;
    transition: var(--transition);
    animation: fadeInUp 1s ease-out;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
}

.hero-photo-simple:hover {
    transform: scale(1.02);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
}

.hero-info {
    flex: 1;
    text-align: left;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    animation: fadeInUp 1s ease-out 0.2s backwards;
}

.hero-description {
    font-size: 1rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    margin-bottom: 0;
    animation: fadeInUp 1s ease-out 0.4s backwards;
}

.hero-timeline {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin: 2rem 0;
    animation: fadeInUp 1s ease-out 0.6s backwards;
}

.hero-timeline-item {
    font-size: 0.95rem;
    color: var(--text-secondary);
    letter-spacing: 0.03em;
    line-height: 1.6;
}

.timeline-year {
    display: inline-block;
    min-width: 90px;
    color: var(--text-primary);
    font-weight: 500;
}

.hero-links {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-top: 3rem;
    animation: fadeInUp 1s ease-out 0.8s backwards;
}

.hero-button {
    padding: 1rem 3rem;
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    text-decoration: none;
    font-size: 1.1rem;
    letter-spacing: 0.1em;
    transition: var(--transition);
    font-family: 'Noto Serif SC', serif;
}

.hero-button:hover {
    background: var(--accent);
    color: #ffffff;
    transform: translateY(-3px);
}

/* ===== Poetry Section ===== */
.poetry-section {
    background: var(--primary-bg);
}

.poem-stele {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10rem 4rem 8rem;
    position: relative;
    background: #fafafa;
}

.poem-stele:nth-child(odd) {
    background: #ffffff;
}

.poem-stele:nth-child(even) {
    background: #f8f8f8;
}

.poem-meta {
    position: absolute;
    top: 6rem;
    right: 3rem;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
    font-family: 'Noto Serif SC', serif;
    z-index: 10;
}

/* 英文模式下减小行间距 */
.poem-meta[data-lang="en"] {
    gap: 0.2rem;
}

.poem-title {
    font-size: 1.5rem;
    color: var(--accent);
    font-weight: 500;
    letter-spacing: 0.2em;
}

/* 英文诗标题样式 - 保持大小，只减小间距 */
.poem-title[data-lang="en"] {
    letter-spacing: 0.02em;
    font-size: 1.3rem;
}

.poem-place {
    font-size: 1.2rem;
    color: var(--accent);
    letter-spacing: 0.2em;
}

/* 英文地点样式 - 稍小一些 */
.poem-place[data-lang="en"] {
    font-size: 1rem;
    letter-spacing: 0.05em;
}

.poem-time {
    font-size: 0.9rem;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
}

/* 诗与图片布局 */
.poem-with-image {
    display: flex;
    align-items: center;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.poem-image {
    width: 500px;
    flex-shrink: 0;
    perspective: 1000px;
    cursor: pointer;
}

.poem-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: all 0.1s ease-out;
    cursor: pointer;
    /* 简洁的阴影效果 */
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.15),
        0 5px 15px rgba(0, 0, 0, 0.1);
    /* 保留 3D 变换能力 */
    transform-style: preserve-3d;
    will-change: transform;
}

.poem-image img:hover {
    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 0.2),
        0 10px 25px rgba(0, 0, 0, 0.15);
}

/* Lightbox 图片弹窗 - 画廊风格 */
.lightbox {
    display: none;
    position: fixed;
    z-index: 99999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    /* 深色美术馆氛围 */
    background: 
        radial-gradient(circle at 50% 40%, 
            rgba(40, 40, 40, 0.95) 0%, 
            rgba(20, 20, 20, 0.98) 50%,
            rgba(10, 10, 10, 0.99) 100%
        );
    animation: fadeIn 0.4s ease-out;
    justify-content: center;
    align-items: center;
}

.lightbox-content {
    display: block;
    max-width: 85%;
    max-height: 85vh;
    object-fit: contain;
    animation: galleryZoomIn 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    /* 简洁的展示效果 */
    box-shadow: 
        0 25px 80px rgba(0, 0, 0, 0.6),
        0 10px 40px rgba(0, 0, 0, 0.4);
    /* 顶部聚光灯效果 */
    filter: drop-shadow(0 -15px 40px rgba(255, 248, 220, 0.15));
}

@keyframes galleryZoomIn {
    0% {
        transform: scale(0.85) translateY(20px);
        opacity: 0;
    }
    60% {
        transform: scale(1.02);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
    z-index: 100000;
}

.lightbox-close:hover,
.lightbox-close:focus {
    color: #bbb;
    text-decoration: none;
    transform: rotate(90deg);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes zoomIn {
    from { 
        transform: scale(0.7);
        opacity: 0;
    }
    to { 
        transform: scale(1);
        opacity: 1;
    }
}

/* 图片模态框 (旧的，保留兼容) */
.image-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
}

.image-modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    animation: zoomIn 0.3s ease;
}

.modal-close {
    position: absolute;
    top: 2rem;
    right: 3rem;
    color: #ffffff;
    font-size: 3rem;
    font-weight: 300;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10000;
}

.modal-close:hover {
    color: #cccccc;
    transform: rotate(90deg);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* 碑刻样式 */
.stele-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-width: 400px;
    flex-shrink: 0;
}

.poem-text {
    writing-mode: vertical-rl;
    text-orientation: upright;
    font-size: 2.5rem;
    font-weight: 500;
    letter-spacing: 0.4em;
    line-height: 1;
    color: #000000;
    font-family: 'Noto Serif SC', serif;
    position: relative;
    z-index: 1;
    max-height: 70vh;
}

/* 每个字的样式 */
.poem-text .char {
    display: inline-block;
    transition: all 0.1s ease-out;
    cursor: pointer;
    perspective: 1500px;
    transform-style: preserve-3d;
    will-change: transform;
    position: relative;
    /* 精致的光源投射效果 - 轻微的模糊 */
    text-shadow: 
        0.5px 0.5px 1px rgba(0, 0, 0, 0.08),
        1px 1px 2px rgba(0, 0, 0, 0.04);
}

.poem-text .char:hover {
    /* 悬停时的默认光源效果（会被 JS 动态覆盖）*/
    text-shadow: 
        1px 1px 1px rgba(0, 0, 0, 0.35),
        2px 2px 2px rgba(0, 0, 0, 0.22),
        3px 3px 4px rgba(0, 0, 0, 0.15);
    color: #0a0a0a;
}

/* ===== Resume Section ===== */
.resume-section {
    padding: 10rem 0 6rem;
    background: var(--primary-bg);
    min-height: 100vh;
}

.resume-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
}

.resume-header {
    text-align: center;
    margin-bottom: 5rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--border);
}

.profile-photo-container {
    margin-bottom: 2rem;
}

.profile-photo {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent);
    transition: var(--transition);
}

.profile-photo:hover {
    transform: scale(1.05);
}

.resume-name {
    font-size: 3.5rem;
    font-weight: 300;
    letter-spacing: 0.15em;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.resume-meta {
    font-size: 1.1rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    margin-bottom: 2rem;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1rem;
    transition: var(--transition);
    font-family: 'Noto Sans SC', sans-serif;
}

.contact-item:hover {
    color: var(--accent);
}

.contact-icon {
    font-size: 1.2rem;
}

.resume-section-block {
    margin-bottom: 4rem;
}

.resume-section-title {
    font-size: 2rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border);
}

.resume-item {
    margin-bottom: 2.5rem;
    padding: 2rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-left: 2px solid var(--accent);
    transition: var(--transition);
}

.resume-item:hover {
    transform: translateX(5px);
}

.resume-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
}

.resume-item-left {
    flex: 1;
}

.resume-item-right {
    text-align: right;
}

.resume-item-title {
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

.resume-item-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    letter-spacing: 0.03em;
}

.resume-location {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
}

.resume-date {
    font-size: 0.95rem;
    color: var(--accent);
    font-weight: 500;
}

.early-education {
    background: transparent;
    border: none;
    padding: 1rem 0;
}

.early-education:hover {
    transform: none;
}

.education-timeline {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 2rem;
    padding: 1.5rem;
}

.timeline-item {
    display: flex;
    flex-direction: row;
    align-items: baseline;
    gap: 1rem;
    line-height: 1.8;
}

.timeline-period {
    font-size: 0.9rem;
    color: var(--accent);
    font-weight: 500;
}

.timeline-school {
    font-size: 1rem;
    color: var(--text-secondary);
}

.skills-category {
    margin-bottom: 3rem;
}

.skills-category-title {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
}

.skills-list {
    list-style: none;
    padding: 0;
}

.skills-list li {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
    font-family: 'Noto Sans SC', sans-serif;
}

.skills-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-size: 1.2rem;
}

.language-skills {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.language-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    transition: var(--transition);
}

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

.language-name {
    font-size: 1.1rem;
    color: var(--text-primary);
    font-weight: 500;
}

.language-level {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-family: 'Noto Sans SC', sans-serif;
}


/* ===== Music Section ===== */
.music-section {
    min-height: 100vh;
    padding: 8rem 2rem 6rem;
    background: #ffffff;
}

.album {
    display: flex;
    gap: 3rem;
    max-width: 900px;
    margin: 3rem auto 0;
    align-items: flex-start;
}

.album-cover {
    flex-shrink: 0;
    width: 300px;
    height: 300px;
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.album-cover:hover {
    transform: scale(1.02);
}

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

.album-info {
    flex: 1;
}

.album-title {
    font-size: 2rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

.album-artist {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.album-tracklist {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.track {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.track:hover {
    background: #f5f5f5;
}

.track.active {
    background: #e8e8e8;
}

.track-number {
    font-size: 0.9rem;
    color: var(--text-secondary);
    min-width: 30px;
}

.track-title {
    flex: 1;
    font-size: 1rem;
    color: var(--text-primary);
}

.track-play-btn {
    background: none;
    border: 1px solid var(--border);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.track-play-btn:hover {
    background: var(--text-primary);
    color: white;
    border-color: var(--text-primary);
}

/* ===== Floating Music Player ===== */
.floating-player {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 10000;
    transition: all 0.3s ease;
}

.floating-player.hidden {
    transform: translateY(150%);
    opacity: 0;
    pointer-events: none;
}

.player-full {
    width: 320px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12);
    transition: all 0.3s ease;
}

.player-full.hidden {
    display: none;
}

.player-header {
    display: flex;
    justify-content: flex-end;
    gap: 0.3rem;
    margin-bottom: 0.8rem;
}

.minimize-btn,
.close-player-btn {
    background: none;
    border: none;
    font-size: 1.1rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.2rem 0.4rem;
    line-height: 1;
    transition: color 0.2s ease;
    border-radius: 4px;
}

.minimize-btn:hover,
.close-player-btn:hover {
    color: var(--text-primary);
    background: #f0f0f0;
}

.player-info {
    display: flex;
    gap: 0.8rem;
    margin-bottom: 0.8rem;
    align-items: center;
}

.player-cover {
    width: 50px;
    height: 50px;
    border-radius: 5px;
    object-fit: cover;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.player-text {
    flex: 1;
    min-width: 0;
}

.player-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 0.2rem;
}

.player-album {
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-controls {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 0.8rem;
}

.control-btn {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--text-primary);
    transition: transform 0.2s ease, color 0.2s ease;
    padding: 0.3rem;
}

.control-btn:hover {
    transform: scale(1.1);
    color: var(--accent);
}

.control-btn.play-btn {
    font-size: 1.6rem;
}

.player-progress {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.progress-bar {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    background: #ddd;
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.progress-bar::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    background: var(--text-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.progress-bar::-webkit-slider-thumb:hover {
    transform: scale(1.3);
}

.progress-bar::-moz-range-thumb {
    width: 12px;
    height: 12px;
    background: var(--text-primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    transition: transform 0.2s ease;
}

.progress-bar::-moz-range-thumb:hover {
    transform: scale(1.3);
}

/* Minimized Player */
.player-mini {
    width: 280px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 0.5rem 0.8rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    transition: all 0.3s ease;
}

.player-mini.hidden {
    display: none;
}

.player-mini:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.player-cover-mini {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
}

.player-mini-info {
    flex: 1;
    min-width: 0;
}

.player-title-mini {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.control-btn-mini {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--text-primary);
    transition: transform 0.2s ease;
    padding: 0.3rem;
    flex-shrink: 0;
}

.control-btn-mini:hover {
    transform: scale(1.15);
}

.expand-btn {
    background: none;
    border: none;
    font-size: 0.9rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.3rem;
    transition: all 0.2s ease;
    flex-shrink: 0;
    border-radius: 50%;
}

.expand-btn:hover {
    color: var(--text-primary);
    background: #f0f0f0;
}

/* ===== Footer ===== */
.footer {
    padding: 3rem 0;
    background: var(--primary-bg);
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scrollDown {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(10px);
    }
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .poem-stele {
        padding: 6rem 2rem;
    }

    .poem-with-image {
        flex-direction: column;
        gap: 3rem;
    }

    .poem-image {
        width: 100%;
        max-width: 500px;
        /* 移动端禁用 3D 效果 */
        perspective: none;
    }
    
    .poem-image img {
        /* 移动端简化阴影 */
        box-shadow: 
            0 8px 20px rgba(0, 0, 0, 0.12),
            0 4px 10px rgba(0, 0, 0, 0.08);
    }

    .stele-container {
        min-width: auto;
        width: 100%;
    }

    .poem-text {
        font-size: 2.2rem;
        letter-spacing: 0.35em;
    }

    .poem-meta {
        top: 2rem;
        right: 2rem;
    }
    
    /* 平板端简化字的效果 */
    .poem-text .char {
        text-shadow: 
            1px 1px 2px rgba(0, 0, 0, 0.06);
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 5rem 2rem 2rem 2rem;
    }

    .hero-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .hero-photo-simple {
        max-width: 280px;
    }

    .hero-title {
        font-size: 2rem;
        letter-spacing: 0.03em;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-links {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-button {
        padding: 0.8rem 2rem;
    }

    .profile-photo {
        width: 140px;
        height: 140px;
    }

    .timeline-item {
        font-size: 0.9rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.3rem;
    }

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

    .album-cover {
        width: 250px;
        height: 250px;
    }

    .floating-player {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
    }

    .player-full {
        width: 100%;
    }

    .player-mini {
        width: 100%;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .nav-menu {
        gap: 1.5rem;
    }
    
    .lang-toggle {
        font-size: 0.8rem;
        padding: 0.25rem 0.6rem;
        font-weight: 400;
    }

    .poem-stele {
        padding: 6rem 1.5rem;
    }

    .poem-with-image {
        gap: 2rem;
    }

    .poem-text {
        font-size: 2rem;
        letter-spacing: 0.3em;
    }
    
    /* 移动端保持字的交互效果 */
    .poem-text .char {
        text-shadow: 
            0.5px 0.5px 1px rgba(0, 0, 0, 0.06);
        cursor: pointer;
    }

    .poem-number {
        font-size: 2rem;
    }

    .poem-place {
        font-size: 1rem;
    }

    .resume-name {
        font-size: 2.5rem;
    }

    .resume-item-header {
        flex-direction: column;
        gap: 1rem;
    }

    .resume-item-right {
        text-align: left;
    }

    .contact-info {
        flex-direction: column;
        gap: 1rem;
    }

    .education-timeline {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-photo-simple {
        max-width: 240px;
    }

    .hero-title {
        font-size: 1.8rem;
        letter-spacing: 0.03em;
    }

    .hero-description {
        font-size: 0.95rem;
    }

    .profile-photo {
        width: 120px;
        height: 120px;
    }

    .nav-container {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .nav-menu {
        gap: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .poem-stele {
        padding: 5rem 1rem;
    }

    .poem-with-image {
        gap: 1.5rem;
    }

    .poem-text {
        font-size: 1.8rem;
        letter-spacing: 0.25em;
        max-height: 75vh;
    }

    .poem-meta {
        top: 1.5rem;
        right: 1.5rem;
    }

    .poem-number {
        font-size: 1.5rem;
    }

    .poem-place {
        font-size: 0.9rem;
    }

    .poem-time {
        font-size: 0.8rem;
    }

    .resume-name {
        font-size: 2rem;
    }

    .resume-section-title {
        font-size: 1.5rem;
    }

    .resume-item {
        padding: 1.5rem;
    }

    .language-skills {
        grid-template-columns: 1fr;
    }
}

/* ===== Mobile Optimization (480px and below) ===== */
@media (max-width: 480px) {
    /* Base font size adjustment */
    html {
        font-size: 14px;
    }

    /* Navigation - Very compact on mobile */
    .nav-container {
        padding: 0.3rem 0.8rem;
    }

    .nav-brand {
        font-size: 0.85rem;
    }

    .nav-menu {
        gap: 0.8rem;
        align-items: center;
    }

    .nav-menu a {
        font-size: 0.85rem;
        padding: 0.3rem 0.5rem;
    }
    
    .lang-toggle {
        font-size: 0.75rem;
        padding: 0.2rem 0.5rem;
        font-weight: 400;
        letter-spacing: 0.03em;
    }

    /* Dropdown on mobile - click to show */
    .dropdown-menu {
        min-width: 100px;
    }

    .dropdown-menu a {
        font-size: 0.85rem;
        padding: 10px 12px;
    }

    /* Hero Section - Vertical layout */
    .hero {
        padding: 5rem 1rem 1.5rem 1rem;
        min-height: auto;
    }

    .hero-content {
        gap: 0.8rem;
        text-align: center;
    }

    .hero-photo-simple {
        max-width: 220px;
    }

    .hero-title {
        font-size: 1.8rem;
        margin-bottom: 0.3rem;
        letter-spacing: 0.02em;
    }

    .hero-description {
        font-size: 0.9rem;
        margin-bottom: 0;
    }

    .hero-timeline {
        gap: 0.6rem;
        margin: 1.5rem 0;
    }

    .timeline-item {
        flex-direction: row;
        align-items: baseline;
        gap: 0.8rem;
        font-size: 0.8rem;
        justify-content: flex-start;
    }

    .timeline-year {
        font-size: 0.8rem;
        min-width: 70px;
        font-weight: 600;
        color: var(--accent);
        flex-shrink: 0;
    }

    .timeline-content {
        font-size: 0.8rem;
        flex: 1;
        text-align: left;
    }

    /* Poetry Section - Better mobile layout */
    .poetry-section {
        padding: 6.5rem 0.8rem 3rem;
    }

    .poem-stele {
        margin-bottom: 3rem;
        position: relative;
        padding-top: 5rem;
    }

    .poem-meta {
        position: absolute;
        top: 0;
        right: 1rem;
        display: flex;
        flex-direction: column;
        align-items: flex-end;
        gap: 0.3rem;
        font-size: 0.9rem;
        z-index: 10;
    }
    
    /* 英文模式下进一步减小行间距 */
    .poem-meta[data-lang="en"] {
        gap: 0.15rem;
    }

    .poem-title {
        font-size: 1rem;
        font-weight: 500;
    }
    
    .poem-title[data-lang="en"] {
        font-size: 1rem;
        letter-spacing: 0.01em;
    }
    
    .poem-place[data-lang="en"] {
        font-size: 0.85rem;
        letter-spacing: 0.03em;
    }

    .poem-place,
    .poem-time {
        font-size: 0.75rem;
    }

    .poem-with-image {
        gap: 1.5rem;
        flex-direction: column;
    }

    .poem-image {
        width: 100%;
        max-width: 100%;
        /* 移动端禁用 3D 效果 */
        perspective: none;
    }
    
    .poem-image img {
        /* 移动端禁用变换 */
        transform: none !important;
    }

    .stele-container {
        min-width: auto;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .poem-text {
        font-size: 1.5rem;
        letter-spacing: 0.15em;
        height: calc(1.5rem * 7 * 1.5); /* 7 characters per column */
        max-height: calc(1.5rem * 7 * 1.5);
        padding: 0 1rem;
        line-height: 1.5;
        /* Fixed 7 characters per column */
        writing-mode: vertical-rl;
        text-orientation: upright;
        overflow-x: auto;
        overflow-y: hidden;
    }
    
    /* 移动端保持字的交互效果 */
    .poem-text .char {
        cursor: pointer;
        text-shadow: 
            0.5px 0.5px 1px rgba(0, 0, 0, 0.05);
    }

    /* Music Section */
    .music-section {
        padding: 6.5rem 1rem 3rem;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .album {
        gap: 1.5rem;
    }

    .album-cover {
        width: 100%;
        max-width: 280px;
        height: auto;
    }

    .album-title {
        font-size: 1.5rem;
        text-align: center;
    }

    .album-artist {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
        text-align: center;
    }

    .track {
        padding: 0.8rem 0.6rem;
        gap: 0.8rem;
    }

    .track-number {
        font-size: 0.85rem;
        min-width: 24px;
    }

    .track-title {
        font-size: 0.9rem;
    }

    .track-play-btn {
        width: 32px;
        height: 32px;
        font-size: 0.75rem;
    }

    /* Music Player - Mobile optimized */
    .floating-player {
        bottom: 0.8rem;
        right: 0.8rem;
        left: 0.8rem;
    }

    .player-full {
        width: 100%;
        padding: 0.8rem;
        border-radius: 10px;
    }

    .player-header {
        margin-bottom: 0.6rem;
    }

    .player-info {
        margin-bottom: 0.7rem;
        gap: 0.7rem;
    }

    .player-cover {
        width: 45px;
        height: 45px;
    }

    .player-title {
        font-size: 0.85rem;
    }

    .player-album {
        font-size: 0.7rem;
    }

    .player-controls {
        gap: 0.6rem;
        margin-bottom: 0.7rem;
    }

    .control-btn {
        font-size: 1rem;
        padding: 0.2rem;
    }

    .control-btn.play-btn {
        font-size: 1.3rem;
    }

    .player-progress {
        gap: 0.5rem;
        font-size: 0.65rem;
    }

    .progress-bar {
        height: 3px;
    }

    .progress-bar::-webkit-slider-thumb {
        width: 10px;
        height: 10px;
    }

    .progress-bar::-moz-range-thumb {
        width: 10px;
        height: 10px;
    }

    /* Mini player on mobile */
    .player-mini {
        padding: 0.4rem 0.7rem;
        width: 100%;
        border-radius: 40px;
    }

    .player-cover-mini {
        width: 36px;
        height: 36px;
    }

    .player-title-mini {
        font-size: 0.8rem;
    }

    .control-btn-mini {
        font-size: 1rem;
        padding: 0.2rem;
    }

    .expand-btn {
        font-size: 0.8rem;
        padding: 0.2rem;
    }

    /* Lightbox - Mobile optimized */
    .lightbox-content {
        max-width: 95%;
        max-height: 80vh;
    }

    .lightbox-close {
        top: 10px;
        right: 15px;
        font-size: 32px;
    }

    /* Footer */
    .footer {
        padding: 2rem 1rem;
    }

    .footer p {
        font-size: 0.8rem;
    }
}

/* ===== Extra Small Devices (360px and below) ===== */
@media (max-width: 360px) {
    html {
        font-size: 13px;
    }

    .hero-photo-simple {
        max-width: 200px;
    }

    .hero-title {
        font-size: 1.6rem;
        letter-spacing: 0.02em;
    }

    .hero-description {
        font-size: 0.85rem;
    }

    .timeline-item {
        font-size: 0.75rem;
        gap: 0.6rem;
    }

    .timeline-year {
        min-width: 65px;
        font-size: 0.75rem;
    }

    .timeline-content {
        font-size: 0.75rem;
    }

    .poem-stele {
        padding-top: 4.5rem;
    }

    .poem-meta {
        top: 0;
        right: 0.8rem;
        gap: 0.25rem;
        font-size: 0.85rem;
    }
    
    /* 英文模式下最小行间距 */
    .poem-meta[data-lang="en"] {
        gap: 0.1rem;
    }

    .poem-title {
        font-size: 0.9rem;
    }
    
    .poem-title[data-lang="en"] {
        font-size: 0.9rem;
        letter-spacing: 0em;
    }
    
    .poem-place[data-lang="en"] {
        font-size: 0.8rem;
        letter-spacing: 0.02em;
    }

    .poem-place,
    .poem-time {
        font-size: 0.7rem;
    }

    .poem-text {
        font-size: 1.3rem;
        letter-spacing: 0.12em;
        line-height: 1.4;
        height: calc(1.3rem * 7 * 1.4); /* 7 characters per column */
        max-height: calc(1.3rem * 7 * 1.4);
        overflow-x: auto;
        overflow-y: hidden;
    }
    
    /* 极小屏幕保持字的交互效果 */
    .poem-text .char {
        cursor: pointer;
    }

    .album-cover {
        max-width: 240px;
    }

    .album-title {
        font-size: 1.3rem;
    }

    .track {
        padding: 0.7rem 0.5rem;
    }

    .player-full {
        padding: 0.7rem;
    }

    .player-cover {
        width: 40px;
        height: 40px;
    }

    .player-title {
        font-size: 0.8rem;
    }
}

/* ===== Touch-friendly Enhancements ===== */
@media (hover: none) and (pointer: coarse) {
    /* Increase tap target sizes for touch devices */
    .nav-menu a {
        padding: 0.8rem 1rem;
    }

    .track {
        padding: 1rem;
    }

    .track-play-btn {
        width: 36px;
        height: 36px;
    }

    .control-btn {
        padding: 0.5rem;
    }

    .poem-image img {
        cursor: default;
    }

    /* Remove hover effects on touch devices */
    .track:hover {
        background: transparent;
    }

    .track:active {
        background: #f5f5f5;
    }

    .poem-image img:hover {
        transform: none;
        opacity: 1;
    }

    .poem-image img:active {
        opacity: 0.9;
    }
    
    /* 移动端保持字的交互效果 */
    .poem-text .char {
        cursor: pointer;
    }
}

/* ===== Landscape Mode on Mobile ===== */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        padding: 3rem 2rem 2rem;
    }

    .hero-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .hero-photo-simple {
        max-width: 200px;
    }

    .poetry-section {
        padding: 4rem 1rem 2rem;
    }

    .poem-text {
        max-height: 50vh;
    }

    .music-section {
        padding: 4rem 1.5rem 2rem;
    }

    .album {
        flex-direction: row;
    }

    .album-cover {
        width: 200px;
        height: 200px;
    }
}