/* ==================== 基础设置 ==================== */
:root {
    /* 配色方案 - 深色主题 */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #1a1a1a;
    --color-bg-tertiary: #2a2a2a;
    --color-accent-primary: #0071e3;
    --color-accent-secondary: #00a3ff;
    --color-text-primary: #f5f5f7;
    --color-text-secondary: #a1a1a6;
    --color-border: #424245;
    --color-success: #30d158;

    /* 渐变色 - 增强版 */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #0071e3 0%, #00a3ff 100%);
    --gradient-glow: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
    --gradient-vibrant: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-blue: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);

    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* 动画时长 */
    --transition-fast: 0.2s;
    --transition-normal: 0.4s;
    --transition-slow: 0.6s;

    /* 阴影 - 增强版 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(102, 126, 234, 0.3), 0 0 40px rgba(102, 126, 234, 0.2);
    --shadow-glow-strong: 0 0 30px rgba(102, 126, 234, 0.5), 0 0 60px rgba(102, 126, 234, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
}

html {
    font-size: 16px;
    height: 100%;
    overflow: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow: hidden;
    height: 100%;
    /* 性能优化 */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* ==================== Swiper 整屏滚动容器 ==================== */
.swiper-container {
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.swiper-wrapper {
    height: 100%;
}

.swiper-slide {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    position: relative;
    scrollbar-width: thin;
    scrollbar-color: var(--color-bg-tertiary) transparent;
}

/* 滚动区域内部滚动条样式 */
.swiper-slide::-webkit-scrollbar {
    width: 6px;
}

.swiper-slide::-webkit-scrollbar-track {
    background: transparent;
}

.swiper-slide::-webkit-scrollbar-thumb {
    background: var(--color-bg-tertiary);
    border-radius: 3px;
}

.swiper-slide::-webkit-scrollbar-thumb:hover {
    background: var(--color-border);
}

/* 技能和项目页面特殊适配 */
.skills-section.swiper-slide,
.projects-section.swiper-slide {
    justify-content: center;
    padding-top: 120px;
    padding-bottom: 80px;
}

.skills-section .container,
.projects-section .container {
    max-height: 100%;
    overflow: visible;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Swiper 分页器样式 - 主导航分页器 */
#fullpage > .swiper-pagination {
  position: fixed !important;
  right: 30px !important;
  top: 50% !important;
  transform: translateY(-50%) !important;
  left: auto !important;
  bottom: auto !important;
  width: auto !important;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

#fullpage > .swiper-pagination .swiper-pagination-bullet {
  width: 12px !important;
  height: 12px !important;
  background: var(--color-text-secondary) !important;
  opacity: 0.5 !important;
  border-radius: 50%;
  transition: all 0.3s ease;
  margin: 0 !important;
}

#fullpage > .swiper-pagination .swiper-pagination-bullet-active {
  background: var(--color-accent-primary) !important;
  opacity: 1 !important;
  transform: scale(1.3);
}

#fullpage > .swiper-pagination .swiper-pagination-bullet:hover {
  opacity: 0.8 !important;
  transform: scale(1.1);
}

/* 滚动提示动画 */
.scroll-indicator {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    z-index: 998;
    animation: fadeOut 1s ease 3s forwards;
    pointer-events: none;
}

.scroll-arrow {
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

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

@keyframes fadeOut {
    to {
        opacity: 0;
        visibility: hidden;
    }
}

/* 修复容器样式 */
section {
    width: 100%;
    min-height: 100vh;
    position: relative;
    padding: var(--spacing-xl) 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    width: 100%;
}

/* ==================== 导航栏 ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-normal);
    will-change: transform, background;
    transform: translateZ(0);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    box-shadow: var(--shadow-sm);
    border-bottom-color: rgba(102, 126, 234, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    text-decoration: none;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all var(--transition-fast);
}

.logo:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: width var(--transition-normal);
}

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

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

/* ==================== Hero 区域 ==================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--spacing-xl) var(--spacing-md);
    overflow: hidden;
}

.hero-section::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.8;
    }
}

.hero-content {
    text-align: center;
    z-index: 1;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

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

.hero-greeting {
    display: block;
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.hero-name {
    display: block;
    font-size: 5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 1s ease 0.2s forwards, gradient-shift 3s ease infinite;
    opacity: 0;
    filter: drop-shadow(0 0 30px rgba(102, 126, 234, 0.3));
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1s ease 0.4s forwards;
    opacity: 0;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    animation: fadeInUp 1s ease 0.6s forwards;
    opacity: 0;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-normal);
    display: inline-block;
    position: relative;
    overflow: hidden;
    will-change: transform;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.btn:hover::before {
    transform: translateX(100%);
}

.btn-primary {
    background: var(--gradient-accent);
    color: white;
    box-shadow: 0 4px 16px rgba(0, 113, 227, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 30px rgba(0, 113, 227, 0.6), var(--shadow-glow);
}

.btn-primary:active {
    transform: translateY(-1px) scale(0.98);
}

.btn-secondary {
    background: rgba(26, 26, 26, 0.5);
    color: var(--color-text-primary);
    border: 2px solid var(--color-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    border-color: var(--color-accent-primary);
    background: rgba(0, 113, 227, 0.1);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 4px 20px rgba(0, 113, 227, 0.3);
}

.btn-secondary:active {
    transform: translateY(-1px) scale(0.98);
}

.floating-code {
    position: absolute;
    right: 10%;
    top: 50%;
    transform: translateY(-50%);
    font-family: "Courier New", monospace;
    font-size: 2rem;
    color: var(--color-text-secondary);
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
}

.code-line {
    display: block;
    margin: 0.5rem 0;
}

@keyframes float {
    0%,
    100% {
        transform: translateY(-50%);
    }
    50% {
        transform: translateY(-60%);
    }
}

/* ==================== 通用区块样式 ==================== */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

.section-title.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-line {
    width: 60px;
    height: 4px;
    background: var(--gradient-accent);
    background-size: 200% auto;
    margin: 0 auto;
    border-radius: 2px;
    animation: gradient-shift 2s ease infinite;
    box-shadow: 0 0 15px rgba(0, 113, 227, 0.5);
}

/* ==================== 关于我 ==================== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-text {
    opacity: 0;
    transform: translateX(-30px);
    transition: all var(--transition-slow);
}

.about-text.visible {
    opacity: 1;
    transform: translateX(0);
}

.about-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

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

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s ease infinite;
    filter: drop-shadow(0 0 20px rgba(102, 126, 234, 0.3));
}

.stat-label {
    display: block;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
}

.about-visual {
    display: flex;
    justify-content: center;
    opacity: 0;
    transform: translateX(30px);
    transition: all var(--transition-slow);
}

.about-visual.visible {
    opacity: 1;
    transform: translateX(0);
}

.profile-card {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, rgba(42, 42, 42, 0.8) 0%, rgba(26, 26, 26, 0.9) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.profile-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.profile-card:hover {
    transform: translateY(-10px) rotate(2deg) scale(1.02);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: var(--color-accent-primary);
}

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

.profile-icon {
    font-size: 8rem;
    transition: transform var(--transition-normal);
    filter: drop-shadow(0 0 0 transparent);
}

.profile-card:hover .profile-icon {
    transform: scale(1.1);
    filter: drop-shadow(0 0 30px rgba(102, 126, 234, 0.5));
}

/* ==================== 技能 ==================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.skill-card {
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.9) 0%, rgba(42, 42, 42, 0.5) 100%);
    padding: var(--spacing-md);
    border-radius: 16px;
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(30px);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    will-change: transform, box-shadow;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-glow);
    opacity: 0;
    transition: opacity var(--transition-normal);
    border-radius: 16px;
    z-index: -1;
}

.skill-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    transform: rotate(0deg);
    transition: transform 0.6s ease;
    opacity: 0;
}

.skill-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.skill-card:hover {
    transform: translateY(-12px) scale(1.02);
    border-color: var(--color-accent-primary);
    box-shadow: var(--shadow-md), var(--shadow-glow);
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.95) 0%, rgba(42, 42, 42, 0.7) 100%);
}

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

.skill-card:hover::after {
    opacity: 1;
    transform: rotate(180deg);
}

.skill-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    transition: transform var(--transition-normal), filter var(--transition-normal);
    display: inline-block;
}

.skill-card:hover .skill-icon {
    transform: scale(1.1) rotate(5deg);
    filter: drop-shadow(0 0 15px rgba(102, 126, 234, 0.5));
}

.skill-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.skill-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.skill-bar {
    height: 8px;
    background: var(--color-bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

.skill-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: skill-shimmer 2s infinite;
}

@keyframes skill-shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

.skill-progress {
    height: 100%;
    background: var(--gradient-accent);
    background-size: 200% auto;
    border-radius: 4px;
    width: 0;
    transition: width 1s ease;
    position: relative;
    overflow: hidden;
    animation: gradient-shift 3s ease infinite;
    box-shadow: 0 0 10px rgba(0, 113, 227, 0.5);
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.3), transparent);
    border-radius: 4px 4px 0 0;
}

/* ==================== 项目 ==================== */
/* 项目画廊容器 */
.projects-gallery {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    position: relative;
    padding: 0;
}

/* 项目 Swiper 配置 */
.projects-swiper {
    width: 100%;
    padding: 20px 60px 80px 60px;
    position: relative;
}

.projects-swiper .swiper-slide {
    height: auto;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: visible;
}

/* 项目卡片样式 */
.project-card {
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.95) 0%, rgba(26, 26, 26, 0.8) 100%);
    border-radius: 16px;
    overflow: visible;
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
    width: 100%;
    max-width: 380px;
    height: 480px;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
    backdrop-filter: blur(10px);
    will-change: transform, box-shadow;
}

.project-card::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: var(--gradient-accent);
    border-radius: 16px;
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.project-card:hover {
    transform: translateY(-12px) scale(1.03);
    box-shadow: var(--shadow-lg), var(--shadow-glow-strong);
    border-color: transparent;
    z-index: 10;
    background: linear-gradient(135deg, rgba(10, 10, 10, 1) 0%, rgba(26, 26, 26, 0.95) 100%);
}

.project-card:hover::before {
    opacity: 0.5;
    animation: rotate-border 3s linear infinite;
}

@keyframes rotate-border {
    0% {
        filter: hue-rotate(0deg);
    }
    100% {
        filter: hue-rotate(360deg);
    }
}

.project-image {
    height: 220px;
    background: var(--color-bg-tertiary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
}

.project-placeholder {
    font-size: 5rem;
    transition: transform var(--transition-normal), filter var(--transition-normal);
    filter: drop-shadow(0 0 0 transparent);
}

.project-card:hover .project-placeholder {
    transform: scale(1.3) rotate(15deg);
    filter: drop-shadow(0 0 20px rgba(102, 126, 234, 0.6));
    animation: float-emoji 2s ease-in-out infinite;
}

@keyframes float-emoji {
    0%, 100% {
        transform: scale(1.3) rotate(15deg) translateY(0);
    }
    50% {
        transform: scale(1.3) rotate(15deg) translateY(-10px);
    }
}

.project-content {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.project-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
    flex: 1;
}

.project-tags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    margin-top: auto;
}

.tag {
    padding: 0.4rem 0.8rem;
    background: rgba(42, 42, 42, 0.8);
    color: var(--color-accent-secondary);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.tag:hover {
    background: var(--gradient-accent);
    color: white;
    transform: translateY(-2px) scale(1.05);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 12px rgba(0, 113, 227, 0.4);
}

.tag:hover::before {
    left: 100%;
}

/* 项目导航按钮 */
.projects-button-prev,
.projects-button-next {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, rgba(42, 42, 42, 0.9) 0%, rgba(26, 26, 26, 0.8) 100%);
    border-radius: 50%;
    color: var(--color-text-primary);
    transition: all var(--transition-normal);
    border: 1px solid var(--color-border);
    z-index: 20;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

.projects-button-prev:hover,
.projects-button-next:hover {
    background: var(--gradient-accent);
    border-color: transparent;
    transform: scale(1.15);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.projects-button-prev::after,
.projects-button-next::after {
    font-size: 18px;
    font-weight: bold;
}

.projects-button-prev {
    left: 10px;
}

.projects-button-next {
    right: 10px;
}

/* 项目分页器 */
.projects-pagination {
    bottom: 0 !important;
    position: absolute !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    z-index: 20;
    margin-top: 30px !important;
}

.projects-pagination .swiper-pagination-bullet {
    width: 10px !important;
    height: 10px !important;
    background: var(--color-text-secondary) !important;
    opacity: 0.5 !important;
    margin: 0 6px !important;
}

.projects-pagination .swiper-pagination-bullet-active {
    background: var(--color-accent-primary) !important;
    opacity: 1 !important;
    width: 24px !important;
    border-radius: 5px !important;
}

/* 移除旧的网格布局 */
.projects-grid {
    display: none;
}

/* ==================== 联系 ==================== */
.contact-section {
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    min-height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0;
}

.contact-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    width: 100%;
}

.contact-section .container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding-top: 80px;
    padding-bottom: var(--spacing-lg);
}

.contact-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.contact-description {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.9) 0%, rgba(42, 42, 42, 0.6) 100%);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    color: var(--color-text-primary);
    text-decoration: none;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.contact-link::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.3) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    border-radius: 50%;
}

.contact-link:hover {
    transform: translateY(-5px) scale(1.02);
    border-color: var(--color-accent-primary);
    box-shadow: var(--shadow-md), 0 0 20px rgba(102, 126, 234, 0.4);
    background: linear-gradient(135deg, rgba(26, 26, 26, 1) 0%, rgba(42, 42, 42, 0.8) 100%);
}

.contact-link:hover::before {
    width: 300px;
    height: 300px;
}

.contact-icon {
    font-size: 1.5rem;
    transition: transform var(--transition-normal);
}

.contact-link:hover .contact-icon {
    transform: scale(1.2) rotate(10deg);
}

/* ==================== 页脚 ==================== */
.footer {
    flex-shrink: 0;
    padding: var(--spacing-md) 0;
    text-align: center;
    border-top: 1px solid var(--color-border);
    width: 100%;
    background: var(--color-bg-primary);
    margin-top: auto;
    position: relative;
    z-index: 10;
}

.footer-text {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

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

.footer-separator {
    color: var(--color-text-secondary);
    opacity: 0.5;
    margin: 0 var(--spacing-xs);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 968px) {
    .hero-name {
        font-size: 3.5rem;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .floating-code {
        display: none;
    }

    .nav-menu {
        gap: var(--spacing-sm);
    }

    .projects-swiper {
        padding: 20px 50px 60px 50px;
    }

    .projects-button-prev {
        left: 5px;
    }

    .projects-button-next {
        right: 5px;
    }

    /* 减少装饰元素 */
    .floating-decoration {
        font-size: 2rem !important;
    }

    .geometric-shapes {
        opacity: 0.08;
    }

    .glow-effect {
        display: none;
    }
}

@media (max-width: 640px) {
    html {
        font-size: 14px;
    }

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

    .hero-subtitle {
        font-size: 1.2rem;
    }

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

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

    .about-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .nav-menu {
        display: none;
    }

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

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

    .projects-swiper {
        padding: 20px 40px 60px 40px;
    }

    .projects-button-prev,
    .projects-button-next {
        width: 36px;
        height: 36px;
    }

    /* 移动端性能优化 */
    .particles-bg,
    .geometric-shapes,
    .code-rain,
    .light-beam,
    .cursor-glow {
        display: none;
    }

    .floating-decoration {
        display: none;
    }

    .wave-divider {
        height: 60px;
    }

    .wave-divider svg {
        height: 60px;
    }

    /* 简化动画 */
    * {
        animation-duration: 0.3s !important;
        transition-duration: 0.2s !important;
    }

    .skill-card::before,
    .project-card::after {
        display: none;
    }

    /* 确保内容居中 */
    .skills-section.swiper-slide,
    .projects-section.swiper-slide {
        padding-top: 100px;
    }
}

/* ==================== 动态粒子背景 ==================== */
.particles-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

/* ==================== 页面分隔装饰 ==================== */
.section-divider {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    pointer-events: none;
    z-index: 5;
    overflow: hidden;
}

.section-divider svg {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 100%;
}

/* 波浪装饰 */
.wave-divider {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.wave-divider svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 100px;
}

/* 几何装饰元素 */
.geometric-shapes {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 1;
    opacity: 0.15;
}

.shape {
    position: absolute;
    border: 2px solid var(--color-accent-primary);
    animation: float-shape 20s infinite ease-in-out;
}

.shape.circle {
    border-radius: 50%;
}

.shape.square {
    border-radius: 8px;
}

.shape.triangle {
    width: 0;
    height: 0;
    border: none;
    border-left: 50px solid transparent;
    border-right: 50px solid transparent;
    border-bottom: 86px solid var(--color-accent-primary);
}

@keyframes float-shape {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(30px, -30px) rotate(90deg);
    }
    50% {
        transform: translate(-20px, 20px) rotate(180deg);
    }
    75% {
        transform: translate(20px, 30px) rotate(270deg);
    }
}

/* ==================== 光效装饰 ==================== */
.glow-effect {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    filter: blur(100px);
    opacity: 0.3;
    animation: glow-move 15s infinite ease-in-out;
}

.glow-effect.primary {
    background: radial-gradient(circle, rgba(102, 126, 234, 0.4) 0%, transparent 70%);
    top: 10%;
    left: 10%;
}

.glow-effect.secondary {
    background: radial-gradient(circle, rgba(0, 163, 255, 0.3) 0%, transparent 70%);
    bottom: 10%;
    right: 10%;
    animation-delay: -7s;
}

@keyframes glow-move {
    0%, 100% {
        transform: translate(0, 0);
    }
    25% {
        transform: translate(50px, -50px);
    }
    50% {
        transform: translate(-30px, 30px);
    }
    75% {
        transform: translate(30px, 50px);
    }
}

/* ==================== 悬浮装饰元素 ==================== */
.floating-decoration {
    position: absolute;
    pointer-events: none;
    opacity: 0.2;
    animation: float-decoration 8s infinite ease-in-out;
}

@keyframes float-decoration {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-30px) rotate(180deg);
    }
}

/* ==================== 渐变光束效果 ==================== */
.light-beam {
    position: absolute;
    width: 2px;
    height: 200px;
    background: linear-gradient(to bottom, transparent, var(--color-accent-primary), transparent);
    opacity: 0.3;
    pointer-events: none;
    animation: beam-move 10s infinite linear;
}

@keyframes beam-move {
    0% {
        transform: translateY(-200px);
        opacity: 0;
    }
    50% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(100vh);
        opacity: 0;
    }
}

/* ==================== 鼠标跟随光效 ==================== */
.cursor-glow {
    position: fixed;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.15) 0%, transparent 70%);
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
    opacity: 0;
    will-change: transform;
}

/* ==================== 代码雨效果（在hero区域） ==================== */
.code-rain {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.1;
    overflow: hidden;
}

.code-char {
    position: absolute;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: var(--color-accent-primary);
    animation: fall-down linear infinite;
}

@keyframes fall-down {
    0% {
        transform: translateY(-100%);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(100vh);
        opacity: 0;
    }
}

/* ==================== 滚动进度指示器 ==================== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-accent);
    z-index: 9999;
    transition: width 0.3s ease;
}

/* ==================== 增强hero区域视觉效果 ==================== */
.hero-section .hero-content {
    position: relative;
    z-index: 10;
}

/* ==================== 技能卡片发光效果 ==================== */
.skill-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-accent);
    border-radius: 18px;
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.skill-card:hover::before {
    opacity: 0.5;
}

.skill-card {
    position: relative;
}

/* ==================== 项目卡片光效 ==================== */
.project-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
                rgba(102, 126, 234, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
    border-radius: 16px;
}

.project-card:hover::after {
    opacity: 1;
}

/* ==================== 按钮脉冲效果 ==================== */
.btn-primary {
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

/* ==================== 加载动画优化 ==================== */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* ==================== 文字渐变动画 ==================== */
.animated-gradient-text {
    background: linear-gradient(90deg,
        var(--color-accent-primary),
        var(--color-accent-secondary),
        var(--color-accent-primary));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s linear infinite;
}

/* ==================== 页面加载闪光效果 ==================== */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.15), transparent);
    z-index: 9999;
    pointer-events: none;
    animation: page-shine 2.5s ease 0.5s;
}

@keyframes page-shine {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

@keyframes gradient-shift {
    0% {
        background-position: 0% center;
    }
    50% {
        background-position: 100% center;
    }
    100% {
        background-position: 0% center;
    }
}