/* ========================================
   新粗野主义风格个人网站
   Neo-Brutalism Portfolio
======================================== */

/* CSS 变量定义 */
:root {
    /* 主色调 - 高对比度 */
    --color-black: #0a0a0a;
    --color-white: #ffffff;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e5e5e5;
    --color-gray-300: #d4d4d4;
    --color-gray-600: #525252;
    --color-gray-800: #262626;
    
    /* 强调色 */
    --color-primary: #0066ff;
    --color-primary-dark: #0052cc;
    --color-accent: #ff6b35;
    --color-accent-light: #ff8c5a;
    
    /* 粗野主义特色 */
    --shadow-brutal: 6px 6px 0px var(--color-black);
    --shadow-brutal-hover: 8px 8px 0px var(--color-black);
    --shadow-brutal-small: 4px 4px 0px var(--color-black);
    
    /* 边框 */
    --border-thick: 4px solid var(--color-black);
    --border-medium: 3px solid var(--color-black);
    --border-thin: 2px solid var(--color-black);
    
    /* 字体 */
    --font-display: 'Syne', sans-serif;
    --font-body: 'Space Grotesk', sans-serif;
    
    /* 间距 */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* 重置样式 */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-white);
    color: var(--color-black);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: none;
}

/* 自定义光标 */
.cursor {
    width: 12px;
    height: 12px;
    background: var(--color-primary);
    border: 2px solid var(--color-black);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.1s ease;
}

.cursor-follower {
    width: 40px;
    height: 40px;
    border: 2px solid var(--color-black);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9998;
    transition: transform 0.3s ease, width 0.3s ease, height 0.3s ease;
}

.cursor.hover {
    transform: scale(1.5);
    background: var(--color-accent);
}

.cursor-follower.hover {
    transform: scale(1.2);
    border-color: var(--color-accent);
}

/* 容器 */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ========================================
   导航栏
======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-xl);
    background: var(--color-white);
    border-bottom: var(--border-thick);
    transition: var(--transition-medium);
}

.navbar.scrolled {
    padding: var(--space-sm) var(--space-xl);
    box-shadow: var(--shadow-brutal-small);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.logo-badge {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 700;
    border: var(--border-thin);
    box-shadow: var(--shadow-brutal-small);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
}

.nav-link {
    text-decoration: none;
    color: var(--color-black);
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--color-accent);
    transition: var(--transition-medium);
}

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

.nav-link:hover {
    color: var(--color-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.nav-toggle span {
    width: 28px;
    height: 3px;
    background: var(--color-black);
    transition: var(--transition-fast);
}

/* ========================================
   按钮样式
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: var(--border-thick);
    cursor: none;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-brutal);
}

.btn-primary:hover {
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-brutal-hover);
    background: var(--color-primary-dark);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-black);
    box-shadow: var(--shadow-brutal);
}

.btn-secondary:hover {
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-brutal-hover);
    background: var(--color-gray-100);
}

.btn svg {
    transition: var(--transition-fast);
}

.btn:hover svg {
    transform: translateX(4px);
}

/* ========================================
   英雄区域
======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: calc(80px + var(--space-3xl)) var(--space-xl) var(--space-3xl);
    position: relative;
    overflow: hidden;
    background: var(--color-white);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.grid-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(var(--color-gray-200) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-gray-200) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.5;
}

.floating-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.shape {
    position: absolute;
    border: var(--border-thick);
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 100px;
    height: 100px;
    background: var(--color-accent);
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    border-radius: 50%;
    top: 60%;
    right: 15%;
    animation-delay: -5s;
}

.shape-3 {
    width: 80px;
    height: 80px;
    background: var(--color-white);
    top: 30%;
    right: 25%;
    transform: rotate(45deg);
    animation-delay: -10s;
}

.shape-4 {
    width: 120px;
    height: 40px;
    background: var(--color-gray-800);
    bottom: 25%;
    left: 20%;
    animation-delay: -15s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-20px) rotate(5deg);
    }
    50% {
        transform: translateY(0) rotate(0deg);
    }
    75% {
        transform: translateY(20px) rotate(-5deg);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero-tag {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.tag-line {
    width: 60px;
    height: 4px;
    background: var(--color-accent);
}

.tag-text {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray-600);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    line-height: 1;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.03em;
}

.title-line {
    display: block;
}

.title-line.highlight {
    color: var(--color-primary);
    position: relative;
    display: inline-block;
}

.title-line.highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    right: 0;
    height: 20px;
    background: var(--color-accent);
    z-index: -1;
    opacity: 0.3;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-xl);
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero-stats {
    position: absolute;
    bottom: var(--space-3xl);
    right: var(--space-xl);
    display: flex;
    gap: var(--space-xl);
    z-index: 1;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    color: var(--color-black);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-gray-600);
    font-weight: 500;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    z-index: 1;
}

.mouse {
    width: 26px;
    height: 40px;
    border: var(--border-thin);
    border-radius: 13px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--color-black);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(12px);
    }
}

.scroll-indicator span {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray-600);
}

/* ========================================
   区域标题
======================================== */
.section-header {
    margin-bottom: var(--space-3xl);
}

.section-tag {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-white);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: var(--border-thin);
    box-shadow: var(--shadow-brutal-small);
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

/* ========================================
   关于区域
======================================== */
.about {
    padding: var(--space-3xl) 0;
    background: var(--color-gray-100);
    border-top: var(--border-thick);
    border-bottom: var(--border-thick);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-image {
    position: relative;
}

.image-frame {
    position: relative;
    display: inline-block;
}

.image-placeholder {
    width: 100%;
    max-width: 450px;
    aspect-ratio: 3/4;
    background: var(--color-gray-300);
    border: var(--border-thick);
    box-shadow: var(--shadow-brutal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gray-600);
}

.frame-decoration {
    position: absolute;
    top: 20px;
    left: 20px;
    right: -20px;
    bottom: -20px;
    border: var(--border-thick);
    background: var(--color-primary);
    z-index: -1;
}

.experience-badge {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: var(--color-accent);
    color: var(--color-white);
    padding: var(--space-md);
    border: var(--border-thick);
    box-shadow: var(--shadow-brutal);
    text-align: center;
    min-width: 100px;
}

.badge-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
}

.badge-text {
    font-size: 0.875rem;
    font-weight: 600;
}

.about-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.about-description {
    font-size: 1.1rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-md);
}

.about-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-white);
    border: var(--border-thin);
    box-shadow: var(--shadow-brutal-small);
    font-weight: 600;
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
}

/* ========================================
   作品展示
======================================== */
.works {
    padding: var(--space-3xl) 0;
    background: var(--color-white);
}

.works-filter {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--space-sm) var(--space-md);
    background: var(--color-white);
    border: var(--border-thin);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: none;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-brutal-small);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px var(--color-black);
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.work-card {
    position: relative;
    overflow: hidden;
    border: var(--border-thick);
    box-shadow: var(--shadow-brutal);
    transition: var(--transition-medium);
    cursor: none;
}

.work-card:hover {
    transform: translate(-4px, -4px);
    box-shadow: 10px 10px 0px var(--color-black);
}

.work-card.hidden {
    display: none;
}

.work-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.work-image .image-placeholder {
    width: 100%;
    height: 100%;
    max-width: none;
    aspect-ratio: auto;
    box-shadow: none;
    border: none;
}

.work-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 102, 255, 0.95);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: var(--space-lg);
    opacity: 0;
    transition: var(--transition-medium);
}

.work-card:hover .work-overlay {
    opacity: 1;
}

.work-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-xs);
}

.work-category {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.work-link {
    width: 50px;
    height: 50px;
    background: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    border: var(--border-thin);
    transition: var(--transition-fast);
    align-self: flex-end;
}

.work-link:hover {
    background: var(--color-accent);
    color: var(--color-white);
}

/* ========================================
   技能展示
======================================== */
.skills {
    padding: var(--space-3xl) 0;
    background: var(--color-black);
    color: var(--color-white);
    border-top: var(--border-thick);
    border-bottom: var(--border-thick);
}

.skills .section-title {
    color: var(--color-white);
}

.skills-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-3xl);
    align-items: start;
}

.skills-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--color-white);
}

.skills-description {
    font-size: 1.1rem;
    color: var(--color-gray-300);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.skill-card {
    background: var(--color-gray-800);
    padding: var(--space-lg);
    border: var(--border-thin);
    border-color: var(--color-gray-600);
    transition: var(--transition-fast);
}

.skill-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.skill-icon {
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    border: 2px solid var(--color-white);
}

.skill-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-white);
}

.skill-name {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--color-white);
}

.skill-bar {
    height: 8px;
    background: var(--color-gray-600);
    margin-bottom: var(--space-sm);
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--color-accent);
    width: 0;
    transition: width 1.5s ease;
}

.skill-percent {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent);
}

/* ========================================
   联系区域
======================================== */
.contact {
    padding: var(--space-3xl) 0;
    background: var(--color-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
}

.contact-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.contact-description {
    font-size: 1.1rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    border: var(--border-thin);
    box-shadow: var(--shadow-brutal-small);
}

.contact-text {
    display: flex;
    flex-direction: column;
}

.contact-text .label {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    font-weight: 500;
}

.contact-text .value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-black);
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--color-white);
    border: var(--border-thin);
    box-shadow: var(--shadow-brutal-small);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-black);
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px var(--color-black);
}

/* 联系表单 */
.contact-form-wrapper {
    background: var(--color-gray-100);
    padding: var(--space-xl);
    border: var(--border-thick);
    box-shadow: var(--shadow-brutal);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-md) 0;
    background: transparent;
    border: none;
    border-bottom: 3px solid var(--color-gray-300);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-black);
    outline: none;
    transition: var(--transition-fast);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group label {
    position: absolute;
    left: 0;
    top: var(--space-md);
    font-size: 1rem;
    color: var(--color-gray-600);
    pointer-events: none;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group input:not(:placeholder-shown),
.form-group textarea:not(:placeholder-shown) {
    border-bottom-color: var(--color-primary);
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -10px;
    font-size: 0.875rem;
    color: var(--color-primary);
    font-weight: 600;
}

.form-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--color-accent);
    transition: var(--transition-medium);
}

.form-group input:focus ~ .form-line,
.form-group textarea:focus ~ .form-line {
    width: 100%;
}

.btn-submit {
    width: 100%;
    justify-content: center;
    margin-top: var(--space-md);
}

/* ========================================
   博客样式
======================================== */

/* 博客文章网格 */
.blog {
    padding: var(--space-3xl) 0;
    background: var(--color-white);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.blog-card {
    background: var(--color-white);
    border: var(--border-thick);
    box-shadow: var(--shadow-brutal);
    transition: var(--transition-medium);
    cursor: none;
    overflow: hidden;
}

.blog-card:hover {
    transform: translate(-4px, -4px);
    box-shadow: 10px 10px 0px var(--color-black);
}

.blog-image {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.blog-image .image-placeholder {
    width: 100%;
    height: 100%;
    max-width: none;
    aspect-ratio: auto;
    box-shadow: none;
    border: none;
}

.blog-category {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    border: var(--border-thin);
    box-shadow: var(--shadow-brutal-small);
}

.blog-content {
    padding: var(--space-lg);
}

.blog-meta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.blog-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.blog-title a {
    color: var(--color-black);
    text-decoration: none;
    transition: var(--transition-fast);
}

.blog-title a:hover {
    color: var(--color-primary);
}

.blog-excerpt {
    color: var(--color-gray-600);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.blog-read-more {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-fast);
}

.blog-read-more:hover {
    color: var(--color-accent);
}

.blog-read-more svg {
    transition: var(--transition-fast);
}

.blog-read-more:hover svg {
    transform: translateX(4px);
}

/* 分页 */
.blog-pagination {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
}

.page-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-white);
    border: var(--border-thin);
    color: var(--color-black);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-brutal-small);
}

.page-btn:hover,
.page-btn.active {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px var(--color-black);
}

/* 分类样式 */
.categories {
    padding: var(--space-3xl) 0;
    background: var(--color-gray-100);
    border-top: var(--border-thick);
    border-bottom: var(--border-thick);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.category-card {
    background: var(--color-white);
    padding: var(--space-xl);
    border: var(--border-thick);
    box-shadow: var(--shadow-brutal);
    text-align: center;
    text-decoration: none;
    color: var(--color-black);
    transition: var(--transition-medium);
    cursor: none;
}

.category-card:hover {
    transform: translate(-4px, -4px);
    box-shadow: 10px 10px 0px var(--color-black);
    background: var(--color-primary);
    color: var(--color-white);
}

.category-icon {
    width: 80px;
    height: 80px;
    background: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
    border: var(--border-thin);
    color: var(--color-white);
}

.category-card:hover .category-icon {
    background: var(--color-white);
    color: var(--color-primary);
}

.category-name {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.category-count {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.category-card:hover .category-count {
    color: rgba(255, 255, 255, 0.8);
}

/* 文章详情页面 */
.article-header {
    padding: var(--space-3xl) 0;
    background: var(--color-gray-100);
    border-bottom: var(--border-thick);
}

.article-meta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.article-category {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.25rem 0.75rem;
    font-weight: 600;
    border: var(--border-thin);
    box-shadow: var(--shadow-brutal-small);
}

.article-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.article-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    border: var(--border-thin);
    box-shadow: var(--shadow-brutal-small);
}

.avatar-placeholder {
    width: 100%;
    height: 100%;
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 600;
    font-size: 1.25rem;
}

.author-name {
    display: block;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: var(--space-xs);
}

.author-bio {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.article-featured-image {
    margin-top: var(--space-xl);
    border: var(--border-thick);
    box-shadow: var(--shadow-brutal);
    overflow: hidden;
}

.article-featured-image .image-placeholder {
    width: 100%;
    aspect-ratio: 16/9;
    box-shadow: none;
    border: none;
}

.article-content {
    padding: var(--space-3xl) 0;
}

.article-body {
    max-width: 800px;
    margin: 0 auto;
    margin-bottom: var(--space-3xl);
}

.article-body p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--space-lg);
    color: var(--color-gray-800);
}

.article-body h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    margin: var(--space-xl) 0 var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 3px solid var(--color-accent);
}

.article-body h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin: var(--space-lg) 0 var(--space-md);
    color: var(--color-primary);
}

/* 文章分享 */
.article-share {
    max-width: 800px;
    margin: 0 auto var(--space-3xl);
    padding: var(--space-xl);
    background: var(--color-gray-100);
    border: var(--border-thick);
    box-shadow: var(--shadow-brutal);
}

.article-share h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.share-buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-white);
    border: var(--border-thin);
    color: var(--color-black);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-brutal-small);
}

.share-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px var(--color-black);
}

/* 相关文章 */
.article-related {
    max-width: 800px;
    margin: 0 auto;
}

.article-related h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.related-posts {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.related-post {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-white);
    border: var(--border-thin);
    text-decoration: none;
    color: var(--color-black);
    transition: var(--transition-fast);
    box-shadow: var(--shadow-brutal-small);
}

.related-post:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px var(--color-black);
}

.related-image {
    flex-shrink: 0;
    width: 100px;
    height: 100px;
    border: var(--border-thin);
    overflow: hidden;
}

.related-image .image-placeholder {
    width: 100%;
    height: 100%;
    max-width: none;
    aspect-ratio: auto;
    box-shadow: none;
    border: none;
}

.related-content {
    flex: 1;
}

.related-content h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    line-height: 1.3;
}

.related-date {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

/* ========================================
   页脚
======================================== */
.footer {
    padding: var(--space-xl) 0;
    background: var(--color-black);
    color: var(--color-white);
    border-top: var(--border-thick);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-gray-800);
}

.footer-brand .logo-text {
    color: var(--color-white);
    font-size: 1.5rem;
}

.footer-tagline {
    font-size: 0.9rem;
    color: var(--color-gray-300);
    margin-top: var(--space-xs);
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
}

.footer-links a {
    color: var(--color-gray-300);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

/* ========================================
   响应式设计
======================================== */
@media (max-width: 1200px) {
    .works-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .skills-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px) {
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        position: relative;
        bottom: auto;
        right: auto;
        margin-top: var(--space-3xl);
        justify-content: center;
    }
    
    .about-image {
        order: -1;
        text-align: center;
    }
    
    .image-frame {
        display: inline-block;
    }
}

@media (max-width: 768px) {
    body {
        cursor: auto;
    }
    
    .cursor,
    .cursor-follower {
        display: none;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--space-lg);
        border-bottom: var(--border-thick);
        box-shadow: var(--shadow-brutal);
        transform: translateY(-150%);
        transition: var(--transition-medium);
    }
    
    .nav-links.active {
        transform: translateY(0);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    .works-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    /* 博客相关响应式 */
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .related-posts {
        grid-template-columns: 1fr;
    }
    
    .share-buttons {
        flex-direction: column;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --space-xl: 1.5rem;
        --space-2xl: 2rem;
        --space-3xl: 3rem;
    }
    
    .navbar {
        padding: var(--space-sm) var(--space-md);
    }
    
    .hero {
        padding: calc(70px + var(--space-xl)) var(--space-md) var(--space-xl);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    /* 博客相关响应式 */
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .related-post {
        flex-direction: column;
    }
    
    .related-image {
        width: 100%;
        height: 150px;
    }
    
    .article-title {
        font-size: 1.75rem;
    }
    
    .article-body p {
        font-size: 1rem;
    }
    
    .contact-form-wrapper {
        padding: var(--space-md);
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* 滚动显示动画 */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}