/* 全局样式 */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;600;700&family=Orbitron:wght@400;500;600;700;800;900&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 防止所有元素默认获得焦点并显示光标 */
* {
    outline: none;
}

/* 只有输入框才能显示文本光标 */
* {
    cursor: default;
    caret-color: transparent; /* 隐藏所有非输入元素的光标 */
}

input, textarea, [contenteditable="true"] {
    cursor: text;
    caret-color: auto; /* 恢复输入元素的光标 */
}

/* 终端输入框使用绿色光标 */
.terminal-input {
    caret-color: #00ff00 !important;
}

a, button {
    cursor: pointer;
}

:root {
    --bg-primary: #000000;
    --bg-secondary: rgba(255, 255, 255, 0.05);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --accent: #007aff;
    --accent-hover: #0a84ff;
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-shadow: rgba(0, 0, 0, 0.3);
}

[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: rgba(0, 0, 0, 0.05);
    --text-primary: #1d1d1f;
    --text-secondary: rgba(0, 0, 0, 0.55);
    --accent: #007aff;
    --accent-hover: #0051d5;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.1);
    --glass-shadow: rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Outfit', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: linear-gradient(135deg, #000000 0%, #1a1a2e 50%, #16213e 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    font-weight: 400;
    transition: background 0.5s ease, color 0.3s ease;
}

[data-theme="light"] body {
    background: linear-gradient(135deg, #e8eaf6 0%, #c5cae9 50%, #9fa8da 100%);
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 30%, rgba(0, 122, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(88, 86, 214, 0.15) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
    transition: opacity 0.5s ease;
}

[data-theme="light"] body::before {
    background:
        radial-gradient(circle at 20% 30%, rgba(63, 81, 181, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(103, 58, 183, 0.12) 0%, transparent 50%);
}

html {
    scroll-behavior: smooth;
}

/* 导航栏 - 液态玻璃效果 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] .navbar {
    background: rgba(255, 255, 255, 0.8);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
}

.navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.2rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.3rem;
}

.logo {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: #ffffff;
    text-shadow:
        0 0 10px rgba(0, 122, 255, 0.8),
        0 0 20px rgba(0, 122, 255, 0.5),
        0 0 30px rgba(0, 122, 255, 0.3);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.logo:hover {
    transform: translateY(-2px);
    text-shadow:
        0 0 15px rgba(0, 122, 255, 1),
        0 0 25px rgba(0, 122, 255, 0.7),
        0 0 35px rgba(0, 122, 255, 0.5);
}

.logo:hover .logo-icon {
    filter: drop-shadow(0 0 16px rgba(0, 122, 255, 1));
}

/* 移除焦点时的光标闪烁 */
.section:focus,
.intro-section:focus,
img:focus,
a:focus-visible {
    outline: none;
}

.profile-image-inline:focus {
    outline: none;
}

.logo-icon {
    width: 36px;
    height: 36px;
    color: #ffffff;
    filter: drop-shadow(0 0 12px rgba(0, 122, 255, 0.8));
    flex-shrink: 0;
}

.logo-text {
    font-family: 'Orbitron', 'Outfit', sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: #ffffff;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.6rem 1rem;
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    line-height: 1.2;
}

.nav-en {
    font-size: 0.7rem;
    opacity: 0.6;
    font-weight: 400;
    letter-spacing: 0.3px;
    margin-top: -0.1rem;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
}

.nav-link:hover .nav-en {
    opacity: 0.8;
}

[data-theme="light"] .nav-link:hover {
    background: rgba(0, 0, 0, 0.05);
}

/* 主题切换按钮 */
.theme-toggle {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    padding: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 40px;
    height: 40px;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: scale(1.05);
}

[data-theme="light"] .theme-toggle {
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .theme-toggle:hover {
    background: rgba(0, 0, 0, 0.08);
}

.theme-icon {
    width: 20px;
    height: 20px;
    color: var(--text-primary);
    transition: transform 0.3s ease;
}

.theme-toggle:hover .theme-icon {
    transform: rotate(20deg);
}

/* 主容器 */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
    position: relative;
    z-index: 1;
}

.section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 4rem 0;
    position: relative;
}

/* 第一板块：自我介绍 - 液态玻璃卡片 */
.intro-section {
    align-items: center;
    text-align: center;
    padding-top: 6rem;
}

.intro-layout {
    display: flex;
    align-items: center;
    gap: 3rem;
    max-width: 1000px;
    animation: fadeInUp 1s ease;
}

.intro-photo {
    flex-shrink: 0;
}

.profile-image {
    width: 280px;
    height: 280px;
    border-radius: 24px;
    object-fit: cover;
    border: 2px solid rgba(255, 255, 255, 0.15);
    box-shadow:
        0 12px 48px rgba(0, 122, 255, 0.25),
        0 0 0 1px rgba(0, 122, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
}

.profile-image:hover {
    transform: scale(1.05) rotate(2deg);
    box-shadow:
        0 16px 64px rgba(0, 122, 255, 0.35),
        0 0 0 2px rgba(0, 122, 255, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.intro-header-layout {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 2rem;
}

.profile-image-inline {
    width: 200px;
    height: 220px;
    border-radius: 20px;
    object-fit: cover;
    border: 2px solid rgba(255, 255, 255, 0.15);
    box-shadow:
        0 8px 32px rgba(0, 122, 255, 0.25),
        0 0 0 1px rgba(0, 122, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    flex-shrink: 0;
}

.profile-image-inline:hover {
    transform: scale(1.05) rotate(2deg);
    box-shadow:
        0 12px 48px rgba(0, 122, 255, 0.35),
        0 0 0 2px rgba(0, 122, 255, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.intro-title-wrapper {
    flex: 1;
    text-align: left;
}

.section-content {
    max-width: 1200px;
    text-align: left;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(60px) saturate(150%);
    -webkit-backdrop-filter: blur(60px) saturate(150%);
    border-radius: 32px;
    padding: 3rem 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
    animation: fadeInUp 1s ease;
}

[data-theme="light"] .section-content {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 1);
}

.section-content > * {
    position: relative;
    z-index: 2;
}

.section-content::before {
    display: none;
}

/* 神经网络式呼吸光点容器 */
.neural-lights {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.neural-light {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle,
        rgba(99, 102, 241, 0.4) 0%,
        rgba(168, 85, 247, 0.2) 40%,
        transparent 70%);
    filter: blur(40px);
    animation: neuralBreathe 8s ease-in-out infinite;
}

[data-theme="light"] .neural-light {
    background: radial-gradient(circle,
        rgba(99, 102, 241, 0.15) 0%,
        rgba(168, 85, 247, 0.08) 40%,
        transparent 70%);
}

@keyframes neuralBreathe {
    0%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.2);
    }
}

/* 鼠标粒子拖尾 - 光圈波纹效果 */
.cursor-particle {
    position: fixed;
    pointer-events: none;
    border-radius: 50%;
    border: 2px solid rgba(99, 102, 241, 0.6);
    background: radial-gradient(circle,
        rgba(99, 102, 241, 0.2) 0%,
        rgba(168, 85, 247, 0.1) 50%,
        transparent 100%);
    animation: ripple 1s ease-out forwards;
    z-index: 9999;
}

[data-theme="light"] .cursor-particle {
    border: 2px solid rgba(99, 102, 241, 0.4);
    background: radial-gradient(circle,
        rgba(99, 102, 241, 0.15) 0%,
        rgba(168, 85, 247, 0.08) 50%,
        transparent 100%);
}

@keyframes ripple {
    0% {
        opacity: 1;
        transform: scale(0);
    }
    100% {
        opacity: 0;
        transform: scale(3);
    }
}

/* 功德+1 浮动效果 */
.merit-text {
    position: fixed;
    pointer-events: none;
    font-size: 1.2rem;
    font-weight: 600;
    font-family: 'Noto Sans SC', sans-serif;
    color: #ffd700;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.8),
                 0 0 20px rgba(255, 215, 0, 0.5);
    animation: meritFloat 2s ease-out forwards;
    z-index: 10000;
}

@keyframes meritFloat {
    0% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-100px) scale(1.5);
    }
}

.profile-image-inline {
    cursor: pointer;
    transition: transform 0.2s ease;
}

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

.profile-image-inline:active {
    transform: scale(0.95);
}

.intro-title {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    line-height: 1.3;
    letter-spacing: -1px;
}

.title-line {
    display: block;
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: 0.5rem;
    letter-spacing: 0;
}

.title-name {
    display: block;
    background: linear-gradient(135deg, #007aff 0%, #5856d6 50%, #af52de 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 40px rgba(0, 122, 255, 0.4));
    margin-bottom: 0.2rem;
    font-weight: 700;
}

.title-name-en {
    display: block;
    font-size: 1.8rem;
    background: linear-gradient(135deg, #007aff 0%, #5856d6 50%, #af52de 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 40px rgba(0, 122, 255, 0.4));
    font-weight: 600;
    letter-spacing: 0.5px;
}

.intro-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0;
    font-weight: 400;
    line-height: 1.6;
}

.intro-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.intro-description p {
    margin-bottom: 0.5rem;
}

.intro-description p.text-cn {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
}

.intro-description p.text-en {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.45);
    line-height: 1.6;
    margin-bottom: 1rem;
}

[data-theme="light"] .intro-description p.text-cn {
    color: rgba(0, 0, 0, 0.85);
}

[data-theme="light"] .intro-description p.text-en {
    color: rgba(0, 0, 0, 0.5);
}

.intro-description p.text-cn strong {
    color: rgba(255, 255, 255, 0.95);
    font-weight: 600;
}

.intro-description p.text-en strong {
    color: rgba(255, 255, 255, 0.55);
    font-weight: 600;
}

[data-theme="light"] .intro-description p.text-cn strong {
    color: rgba(0, 0, 0, 0.9);
}

[data-theme="light"] .intro-description p.text-en strong {
    color: rgba(0, 0, 0, 0.6);
}

.intro-block {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.intro-block:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.intro-block-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    letter-spacing: -0.3px;
}

[data-theme="light"] .intro-block-title {
    color: #1d1d1f;
}

.intro-block p {
    margin-bottom: 0.6rem;
    line-height: 1.7;
}

.intro-block p strong {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 600;
}

.intro-block p.text-cn strong {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 600;
}

.intro-block p.text-en strong {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.55);
    font-weight: 600;
}

[data-theme="light"] .intro-block p strong {
    color: rgba(0, 0, 0, 0.85);
}

[data-theme="light"] .intro-block p.text-cn strong {
    color: rgba(0, 0, 0, 0.9);
}

[data-theme="light"] .intro-block p.text-en strong {
    color: rgba(0, 0, 0, 0.6);
}

.education-section {
    margin-top: 2.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

[data-theme="light"] .education-section {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.education-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    letter-spacing: -0.3px;
}

[data-theme="light"] .education-title {
    color: #1d1d1f;
}

.education-item {
    margin-bottom: 1.25rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.education-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.education-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.education-header h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.2px;
}

.school-link {
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.school-link:hover {
    color: var(--accent);
}

.school-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width 0.3s ease;
}

.school-link:hover::after {
    width: 100%;
}

.education-year {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.education-detail {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
    align-items: center;
}

.social-link {
    padding: 0.875rem 1.5rem;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    height: 48px;
    box-sizing: border-box;
}

.social-link:hover {
    background: rgba(0, 122, 255, 0.2);
    border-color: rgba(0, 122, 255, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 122, 255, 0.3);
}

.social-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.social-dropdown {
    position: relative;
    z-index: 10;
}

.dropdown-toggle {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
    font-family: inherit;
    font-size: inherit;
    font-weight: 500;
}

.dropdown-arrow {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.social-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    bottom: calc(100% + 0.5rem);
    left: 0;
    min-width: 240px;
    background: rgba(20, 20, 30, 0.98);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    overflow: hidden;
}

[data-theme="light"] .dropdown-menu {
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.social-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.65rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.2s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

[data-theme="light"] .dropdown-item {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.dropdown-item:last-child {
    border-bottom: none;
}

.dropdown-item:hover {
    background: rgba(0, 122, 255, 0.15);
}

.email-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.email-address {
    font-size: 0.7rem;
    font-family: 'Courier New', Consolas, Monaco, monospace;
    color: var(--text-secondary);
    letter-spacing: 0.2px;
}

.dropdown-item:hover .email-label {
    color: var(--accent);
}

.dropdown-item:hover .email-address {
    color: rgba(0, 122, 255, 0.8);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    animation: bounce 2s infinite;
}

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

/* 第二板块：数据可视化 */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -1.5px;
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.7) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="light"] .section-title {
    background: linear-gradient(135deg, #1d1d1f 0%, rgba(29, 29, 31, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

/* 旅行地图容器 */
.map-container {
    margin-top: 3rem;
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.map-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.travel-map {
    width: 100%;
    height: 500px;
    border-radius: 20px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .travel-map {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

/* 睡眠数据可视化 */
.sleep-container {
    margin-top: 3rem;
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.sleep-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.sleep-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.sleep-stat-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    padding: 1.25rem 1.5rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow:
        0 4px 24px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

[data-theme="light"] .sleep-stat-card {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow:
        0 4px 20px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 1);
}

.sleep-stat-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 122, 255, 0.3);
    box-shadow:
        0 8px 32px rgba(0, 122, 255, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.sleep-stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.sleep-stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.sleep-stat-value > span:first-child {
    background: linear-gradient(135deg, #007aff, #5856d6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sleep-stat-unit {
    font-size: 1rem;
    margin-left: 0.4rem;
    opacity: 0.7;
    font-weight: 500;
    color: var(--text-secondary);
}

.sleep-range-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.sleep-dropdown {
    position: relative;
    z-index: 10;
    width: 100%;
}

.sleep-dropdown-toggle {
    width: 100%;
    padding: 0.875rem 1.5rem;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 14px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

[data-theme="light"] .sleep-dropdown-toggle {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.sleep-dropdown-toggle:hover {
    background: rgba(0, 122, 255, 0.2);
    border-color: rgba(0, 122, 255, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 122, 255, 0.3);
}

.sleep-range-text {
    font-size: 1rem;
    font-weight: 600;
}

.sleep-dropdown-arrow {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.sleep-dropdown:hover .sleep-dropdown-arrow {
    transform: rotate(180deg);
}

.sleep-dropdown-menu {
    position: absolute;
    bottom: calc(100% + 0.5rem);
    left: 0;
    right: 0;
    background: rgba(20, 20, 30, 0.98);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    overflow: hidden;
}

[data-theme="light"] .sleep-dropdown-menu {
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.sleep-dropdown:hover .sleep-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sleep-dropdown-item {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.65rem 1rem;
    color: var(--text-primary);
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.2s ease;
    cursor: pointer;
    width: 100%;
    text-align: left;
    font-family: inherit;
}

[data-theme="light"] .sleep-dropdown-item {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.sleep-dropdown-item:last-child {
    border-bottom: none;
}

.sleep-dropdown-item:hover {
    background: rgba(0, 122, 255, 0.15);
}

.sleep-dropdown-item.active {
    background: rgba(0, 122, 255, 0.1);
}

.sleep-range-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.sleep-range-date {
    font-size: 0.7rem;
    font-family: 'Courier New', Consolas, Monaco, monospace;
    color: var(--text-secondary);
    letter-spacing: 0.2px;
}

.sleep-dropdown-item:hover .sleep-range-label {
    color: var(--accent);
}

.sleep-dropdown-item:hover .sleep-range-date {
    color: rgba(0, 122, 255, 0.8);
}

.sleep-filter {
    display: none;
}

.sleep-chart-container {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    margin-bottom: 2rem;
    box-shadow:
        0 4px 24px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* 跑步数据可视化 */
.running-container {
    margin-top: 4rem;
    padding: 2rem 0;
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.running-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.running-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.running-stat-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    padding: 1.25rem 1.5rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow:
        0 4px 24px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

[data-theme="light"] .running-stat-card {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow:
        0 4px 20px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 1);
}

.running-stat-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 107, 107, 0.3);
    box-shadow:
        0 8px 32px rgba(255, 107, 107, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.running-stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.running-stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.running-stat-value > span:first-child {
    background: linear-gradient(135deg, #ff6b6b, #ee5a6f);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.running-stat-unit {
    font-size: 1rem;
    margin-left: 0.4rem;
    opacity: 0.7;
    font-weight: 500;
    color: var(--text-secondary);
}

/* 轨迹矩阵 */
.track-matrix {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 0.75rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    width: 100%;
}

[data-theme="light"] .track-matrix {
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.track-item {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 12px;
    overflow: hidden;
}

.track-item:hover {
    transform: scale(1.1);
    z-index: 10;
}

.track-item canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* 悬停提示框 */
.track-tooltip {
    position: fixed;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: white;
    padding: 1rem 1.25rem;
    border-radius: 12px;
    font-size: 0.9rem;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
    z-index: 10000;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="light"] .track-tooltip {
    background: rgba(255, 255, 255, 0.95);
    color: #1a1a1a;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.track-tooltip.show {
    opacity: 1 !important;
    visibility: visible !important;
}

.track-tooltip > div {
    margin: 0.25rem 0;
}

.tooltip-date {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: #ff6b6b;
}

[data-theme="light"] .tooltip-date {
    color: #ee5a6f;
}

.tooltip-distance,
.tooltip-duration,
.tooltip-pace {
    font-size: 0.85rem;
    opacity: 0.9;
}


[data-theme="light"] .sleep-chart-container {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow:
        0 4px 20px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 1);
}

.sleep-chart-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.sleep-chart-wrapper {
    position: relative;
    height: 300px;
}

/* 高德地图自定义标记 - 使用图片 */
.amap-marker-pin-style {
    position: relative;
    width: 32px;
    height: 42px;
    cursor: pointer;
    transition: all 0.3s ease;
    filter: drop-shadow(0 3px 6px rgba(0, 0, 0, 0.3));
}

.amap-marker-pin-style:hover {
    transform: scale(1.1) translateY(-3px);
    filter: drop-shadow(0 5px 10px rgba(0, 0, 0, 0.4));
}

.pin-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 简洁的地名标签 */
.amap-simple-label {
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: #1a1a1a;
    white-space: nowrap;
}

/* 覆盖高德地图默认样式 - 简洁版 */
.amap-info-content {
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(20px);
    border-radius: 8px !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15) !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    padding: 0 !important;
}

.amap-info-sharp {
    border-top-color: rgba(255, 255, 255, 0.98) !important;
}

.amap-info-close {
    display: none !important;
}

.data-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    padding: 2rem;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow:
        0 4px 24px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

[data-theme="light"] .data-card {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow:
        0 4px 20px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 1);
}

.data-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 122, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.data-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(0, 122, 255, 0.3);
    box-shadow:
        0 12px 48px rgba(0, 122, 255, 0.2),
        0 0 0 1px rgba(0, 122, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.data-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 4px 12px rgba(0, 122, 255, 0.3));
}

.data-value {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, #007aff, #5856d6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

.data-label {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 500;
}

.data-chart {
    height: 60px;
    margin-top: 1rem;
    background: rgba(0, 122, 255, 0.05);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(0, 122, 255, 0.1);
}

/* 第三板块：终端模拟器彩蛋 */
.easter-section {
    position: relative;
}

.terminal-wrapper {
    position: relative;
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
}

.matrix-effect {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
}

.matrix-effect.hidden {
    display: none;
}

.terminal-container {
    background: #1a1a1a;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 255, 0, 0.3);
    overflow: hidden;
}

[data-theme="light"] .terminal-container {
    background: #f5f5f5;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .terminal-header {
    background: #e8e8e8;
}

[data-theme="light"] .terminal-body {
    background: #ffffff;
}

[data-theme="light"] .terminal-output {
    color: #2d2d2d;
}

[data-theme="light"] .terminal-prompt {
    color: #2d2d2d;
}

[data-theme="light"] .terminal-user {
    color: #0066cc;
}

[data-theme="light"] .terminal-path {
    color: #cc6600;
}

[data-theme="light"] .terminal-input {
    color: #2d2d2d;
    caret-color: #0066cc !important;
}

[data-theme="light"] .ascii-art {
    color: #6b46c1;
}

[data-theme="light"] .error {
    color: #d32f2f;
}

[data-theme="light"] .success {
    color: #2e7d32;
}

[data-theme="light"] .info {
    color: #0277bd;
}

[data-theme="light"] .warning {
    color: #f57c00;
}

.terminal-header {
    background: #2d2d2d;
    padding: 10px 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.terminal-button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-button.close { background: #ff5f56; }
.terminal-button.minimize { background: #ffbd2e; }
.terminal-button.maximize { background: #27c93f; }

.terminal-title {
    color: #999;
    font-size: 12px;
    margin-left: 10px;
    font-family: 'Courier New', monospace;
}

.terminal-body {
    padding: 10px 20px 20px 20px;
    height: 550px;
    overflow-y: auto;
    background: #0a0a0a;
}

.terminal-output {
    color: #00ff00;
    line-height: 1.3;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: 'Courier New', monospace;
    font-size: 17px;
}

.terminal-line {
    margin-bottom: 3px;
}

.terminal-prompt {
    color: #00ff00;
}

.terminal-user {
    color: #00d9ff;
}

.terminal-path {
    color: #ffaa00;
}

.terminal-command {
    color: #ffffff;
}

.terminal-input-line {
    display: flex;
    align-items: center;
    margin-top: 8px;
    font-family: 'Courier New', monospace;
}

.terminal-input {
    flex: 1;
    background: transparent;
    border: none;
    color: #ffffff;
    font-family: 'Courier New', monospace;
    font-size: 17px;
    outline: none;
    margin-left: 5px;
    caret-color: #00ff00;
    caret-shape: block;
}

.cursor {
    display: none;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.error {
    color: #ff5555;
}

.success {
    color: #50fa7b;
}

.info {
    color: #8be9fd;
}

.warning {
    color: #ffb86c;
}

.ascii-art {
    color: #bd93f9;
    font-size: 14px;
    line-height: 1.1;
    margin-bottom: 8px;
}

/* 终端滚动条样式 */
.terminal-body::-webkit-scrollbar {
    width: 8px;
}

.terminal-body::-webkit-scrollbar-track {
    background: #1a1a1a;
}

.terminal-body::-webkit-scrollbar-thumb {
    background: #00ff00;
    border-radius: 4px;
}

.terminal-body::-webkit-scrollbar-thumb:hover {
    background: #00cc00;
}

/* 浅色模式下的终端滚动条 */
[data-theme="light"] .terminal-body::-webkit-scrollbar-track {
    background: #e8e8e8;
}

[data-theme="light"] .terminal-body::-webkit-scrollbar-thumb {
    background: #0066cc;
}

[data-theme="light"] .terminal-body::-webkit-scrollbar-thumb:hover {
    background: #0052a3;
}

/* 页脚 - 液态玻璃 */
.footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    margin-top: 4rem;
}

[data-theme="light"] .footer {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.7);
}

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

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

/* 响应式设计 */
@media (max-width: 768px) {
    .logo-text {
        display: none;
    }

    .logo-icon {
        width: 32px;
        height: 32px;
    }

    .intro-header-layout {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .profile-image-inline {
        width: 120px;
        height: 120px;
    }

    .intro-title-wrapper {
        text-align: center;
    }

    .section-content {
        padding: 2rem 1.5rem;
    }

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

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

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

    .title-name-en {
        font-size: 1.5rem;
    }

    .intro-subtitle {
        font-size: 0.85rem;
    }

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

    .intro-block-title {
        font-size: 1rem;
    }

    .education-section {
        padding: 1rem;
    }

    .education-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .social-links {
        justify-content: center;
        flex-wrap: wrap;
    }

    .social-link {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }

    .social-icon {
        width: 16px;
        height: 16px;
    }

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

    .nav-menu {
        gap: 0.5rem;
    }

    .nav-link {
        font-size: 0.85rem;
        padding: 0.4rem 0.8rem;
    }

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

/* ==================== 关于本站页面样式 ==================== */

/* 关于本站板块 */
.about-site-section {
    min-height: 100vh;
    padding-top: 8rem;
}

.site-intro {
    margin-bottom: 4rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

[data-theme="light"] .site-intro {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

/* 时间线容器 */
.timeline-container {
    margin-bottom: 4rem;
}

.timeline {
    position: relative;
    padding: 2rem 0;
    margin-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg,
        rgba(99, 102, 241, 0.8) 0%,
        rgba(168, 85, 247, 0.6) 50%,
        rgba(236, 72, 153, 0.4) 100%
    );
}

.timeline-item {
    position: relative;
    padding-left: 3rem;
    margin-bottom: 3rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -0.5rem;
    top: 0;
    width: 1rem;
    height: 1rem;
    background: linear-gradient(135deg, #6366f1, #a855f7);
    border-radius: 50%;
    border: 3px solid var(--bg-primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
    z-index: 1;
}

[data-theme="light"] .timeline-marker {
    border-color: #ffffff;
}

.timeline-content {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 1.5rem;
    transition: all 0.3s ease;
}

[data-theme="light"] .timeline-content {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.timeline-content:hover {
    transform: translateX(8px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.15);
}

.timeline-date {
    font-size: 0.875rem;
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.timeline-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.timeline-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 技术栈 */
.tech-stack {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

[data-theme="light"] .tech-stack {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.tech-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

[data-theme="light"] .tech-item {
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.tech-item:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.2);
}

.tech-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.tech-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.tech-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .about-site-section {
        padding-top: 6rem;
    }

    .timeline {
        margin-left: 1rem;
    }

    .timeline-item {
        padding-left: 2rem;
    }

    .tech-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 1rem;
    }

    .tech-item {
        padding: 1rem;
    }

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