/* 全局样式 */
:root {
    --primary: #2563eb;
    --primary-light: #3b82f6;
    --primary-dark: #1d4ed8;
    --bg: #f8fafc;
    --text: #1e293b;
    --text-light: #64748b;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --font-family: "LXGW WenKai Screen", sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-family);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow-x: hidden;
}

/* 加载动画 */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--primary-light);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 滚动动画 */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 卡片悬停效果 */
.card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(to right, var(--primary), var(--primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.card:hover::before {
    transform: scaleX(1);
}

/* 按钮点击效果 */
button, .social-icon {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

button:active, .social-icon:active {
    transform: scale(0.95);
}

/* 轮播图优化 */
.carousel-track {
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-slide img {
    transition: transform 0.5s ease;
}

.carousel-slide:hover img {
    transform: scale(1.05);
}

/* 滚动进度条 */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--primary);
    z-index: 1000;
    transition: width 0.1s ease-out;
}

/* 页面背景装饰 */
body::before,
body::after {
    content: '';
    position: fixed;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--primary-light), var(--primary));
    opacity: 0.05;
    z-index: -1;
    animation: float 6s ease-in-out infinite;
}

body::before {
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

body::after {
    bottom: -100px;
    right: -100px;
    animation-delay: 3s;
}

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

/* 装饰线条 */
.decoration-lines {
    position: fixed;
    top: 0;
    bottom: 0;
    width: 2px;
    background: repeating-linear-gradient(
        to bottom,
        var(--primary-light) 0,
        var(--primary-light) 5px,
        transparent 5px,
        transparent 15px
    );
    opacity: 0.1;
    z-index: -1;
    animation: linePulse 2s ease-in-out infinite;
}

.decoration-lines.left {
    left: 40px;
}

.decoration-lines.right {
    right: 40px;
}

@keyframes linePulse {
    0%, 100% {
        opacity: 0.1;
    }
    50% {
        opacity: 0.2;
    }
}

/* 浮动装饰点 */
.floating-dots {
    position: fixed;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.floating-dot {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.1;
    animation: floatDot 4s ease-in-out infinite;
}

.floating-dot:nth-child(1) {
    left: 10%;
    top: 20%;
    animation-delay: 0s;
}

.floating-dot:nth-child(2) {
    left: 85%;
    top: 30%;
    animation-delay: 1s;
}

.floating-dot:nth-child(3) {
    left: 15%;
    bottom: 20%;
    animation-delay: 2s;
}

.floating-dot:nth-child(4) {
    left: 80%;
    bottom: 30%;
    animation-delay: 3s;
}

@keyframes floatDot {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(10px, 10px) scale(1.2);
    }
}

.container {
    width: 100%;
    max-width: 680px;
    margin: 2rem auto;
    padding: 0 1rem;
    flex: 1;
}

.card {
    background: white;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

/* 背景装饰 */
.background-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--primary-light), var(--primary));
    opacity: 0.1;
}

.shape-1 {
    width: 150px;
    height: 150px;
    top: -75px;
    right: -75px;
}

.shape-2 {
    width: 100px;
    height: 100px;
    bottom: -50px;
    left: -50px;
}

.shape-3 {
    width: 70px;
    height: 70px;
    bottom: 20%;
    right: 10%;
}

/* 装饰点样式 */
.decoration-dots {
    position: absolute;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 1;
}

.dot {
    width: 6px;
    height: 6px;
    background-color: var(--primary-light);
    border-radius: 50%;
    opacity: 0.2;
    animation: pulse 2s infinite;
}

.dot:nth-child(2) { animation-delay: 0.4s; }
.dot:nth-child(3) { animation-delay: 0.8s; }
.dot:nth-child(4) { animation-delay: 1.2s; }
.dot:nth-child(5) { animation-delay: 1.6s; }

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.2; }
    50% { transform: scale(1.5); opacity: 0.4; }
    100% { transform: scale(1); opacity: 0.2; }
}

/* 个人信息 */
.profile {
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.avatar {
    width: 110px;
    height: 110px;
    margin: 0 auto 1.25rem;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid white;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease;
}

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

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.avatar:hover img {
    transform: scale(1.1);
}

h1 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    color: var(--text);
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.3;
}

.title {
    color: var(--text-light);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0 1rem;
}

.title i {
    color: var(--primary);
}

.location {
    color: var(--text-light);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0 1rem;
}

/* 章节标题 */
.section-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.section-header i {
    font-size: 1.5rem;
    color: var(--primary);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    border-radius: 12px;
}

.section-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
    margin: 0;
}

/* 关于我 */
.about {
    margin: 2rem 0;
    padding: 0 1rem;
    position: relative;
    z-index: 1;
}

.about p {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.8;
    text-align: justify;
    margin-bottom: 2rem;
}

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

.tech-item {
    background: var(--bg);
    color: var(--text-light);
    padding: 1rem;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.tech-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.tech-item:hover::after {
    transform: scaleX(1);
}

.tech-item:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.tech-item i {
    font-size: 1.5rem;
}

.tech-item span {
    font-size: 0.9rem;
    font-weight: 500;
}

/* 联系信息 */
.contact-section {
    margin: 2rem 0;
    position: relative;
    z-index: 1;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--bg);
    border-radius: 12px;
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateX(4px);
    background: var(--primary);
    color: white;
}

.contact-item i {
    font-size: 1.2rem;
}

.contact-item span {
    font-size: 0.95rem;
}

/* 社交链接 */
.social-section {
    margin: 2rem 0;
    padding: 0 1rem;
    position: relative;
    z-index: 1;
}

.social-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    width: 100%;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: 12px;
    background: var(--bg);
    color: var(--text);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    width: 100%;
    font-size: 1rem;
}

.social-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.social-icon:hover {
    color: white;
    transform: translateY(-3px);
}

.social-icon:hover::before {
    opacity: 1;
}

.social-icon i {
    font-size: 1.25rem;
}

/* 微信二维码弹窗 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    backdrop-filter: blur(8px);
    transition: opacity 0.3s ease;
}

.modal.active {
    opacity: 1;
}

.modal-content {
    position: relative;
    background: white;
    margin: 10% auto;
    padding: 2rem;
    width: 360px;
    border-radius: 24px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    transform: scale(0.9);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal.active .modal-content {
    transform: scale(1);
    opacity: 1;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.modal-header i {
    font-size: 2rem;
    color: #07c160;
}

.modal-header h3 {
    color: var(--text);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.social-preview {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin: 1.5rem 0;
    padding: 0 1rem;
}

.social-preview-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.social-preview-item i {
    font-size: 1.5rem;
    color: var(--text-light);
}

.social-preview-item span {
    font-size: 0.85rem;
    color: var(--text-light);
}

.modal-subtitle {
    color: var(--text);
    margin: 1.5rem 0;
    font-size: 1.1rem;
    font-weight: 500;
}

.close {
    position: absolute;
    right: 1.2rem;
    top: 1.2rem;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    cursor: pointer;
    background: var(--bg);
    color: var(--text-light);
    transition: all 0.2s ease;
}

.close:hover {
    background: var(--primary);
    color: white;
    transform: rotate(90deg);
}

.qr-code {
    width: 200px;
    height: 200px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
}

/* 轮播图样式 */
.carousel-container {
    margin: 2rem 0;
    padding: 0 1rem;
    position: relative;
    z-index: 1;
}

.carousel {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.carousel-track {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-slide {
    position: relative;
    min-width: 100%;
    height: 100%;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}

.carousel-slide img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.carousel-slide:hover img {
    transform: scale(1.05);
}

.slide-caption {
    position: relative;
    width: 100%;
    padding: 2rem;
    background: linear-gradient(to top, 
        rgba(0, 0, 0, 0.8) 0%,
        rgba(0, 0, 0, 0.6) 50%,
        transparent 100%);
    color: white;
    z-index: 1;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.carousel-slide:hover .slide-caption {
    transform: translateY(0);
}

.slide-caption h3 {
    font-size: 1.75rem;
    margin: 0 0 0.75rem;
    font-weight: 600;
}

.slide-caption p {
    font-size: 1.1rem;
    margin: 0;
    opacity: 0.9;
    line-height: 1.6;
}

.carousel-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text);
    transition: all 0.3s ease;
    z-index: 2;
    opacity: 0;
}

.carousel:hover .carousel-button {
    opacity: 1;
}

.carousel-button:hover {
    background: white;
    color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-50%) scale(1.1);
}

.carousel-button.prev {
    left: 1.5rem;
}

.carousel-button.next {
    right: 1.5rem;
}

.carousel-dots {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.75rem;
    z-index: 2;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

.dot.active {
    background: white;
    transform: scale(1.2);
}

/* 响应式设计 */
@media (max-width: 640px) {
    .container {
        padding: 1rem;
        margin: 1rem auto;
    }
    
    .card {
        padding: 2rem 1.5rem;
    }
    
    .avatar {
        width: 100px;
        height: 100px;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    .about {
        padding: 0;
    }
    
    .tech-stack {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .social-links {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .decoration-dots {
        display: none;
    }
    
    .shape-1, .shape-2, .shape-3 {
        display: none;
    }
    
    .decoration-lines {
        display: none;
    }
    
    body::before,
    body::after {
        width: 200px;
        height: 200px;
    }
    
    .modal-content {
        width: 90%;
        margin: 20% auto;
        padding: 1.5rem;
    }
    
    .social-preview {
        gap: 0.75rem;
        padding: 0;
    }
    
    .social-preview-item i {
        font-size: 1.25rem;
    }
    
    .social-preview-item span {
        font-size: 0.8rem;
    }
    
    .qr-code {
        width: 180px;
        height: 180px;
    }

    .carousel {
        height: 300px;
    }

    .slide-caption {
        padding: 1.5rem;
    }

    .slide-caption h3 {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }

    .slide-caption p {
        font-size: 1rem;
    }

    .carousel-button {
        width: 36px;
        height: 36px;
    }

    .social-icon {
        padding: 0.6rem;
        font-size: 0.9rem;
    }

    .social-icon i {
        font-size: 1.1rem;
    }
}

.carousel-modal-content {
    width: 90%;
    max-width: 900px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 5vh auto;
}

.carousel-modal-content img {
    width: 100%;
    max-height: 65vh;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.carousel-modal-caption {
    text-align: left;
    padding: 1.25rem;
    background: var(--bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.carousel-modal-caption h3 {
    color: var(--text);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.carousel-modal-caption p {
    color: var(--text-light);
    font-size: 1rem;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 640px) {
    .carousel-modal-content {
        margin: 5vh auto;
        padding: 1rem;
    }

    .carousel-modal-content img {
        max-height: 50vh;
    }

    .carousel-modal-caption h3 {
        font-size: 1.25rem;
    }

    .carousel-modal-caption p {
        font-size: 0.9rem;
    }
}

/* 侧边装饰元素 */
.side-decoration {
    position: fixed;
    top: 0;
    bottom: 0;
    width: 200px;
    pointer-events: none;
    z-index: -1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
}

.side-decoration.left {
    left: 0;
}

.side-decoration.right {
    right: 0;
}

.geometric-shape {
    position: relative;
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.geometric-shape.circle {
    width: 60px;
    height: 60px;
    border: 4px solid var(--primary);
    border-radius: 50%;
}

.geometric-shape.square {
    width: 50px;
    height: 50px;
    border: 4px solid var(--primary);
    transform: rotate(45deg);
}

.geometric-shape.triangle {
    width: 0;
    height: 0;
    border-left: 30px solid transparent;
    border-right: 30px solid transparent;
    border-bottom: 52px solid var(--primary);
}

.geometric-line {
    width: 100px;
    height: 3px;
    background: var(--primary);
    opacity: 0.1;
    transform: rotate(-45deg);
    margin: 1rem 0;
}

.side-decoration.left .geometric-line {
    transform: rotate(45deg);
}

.side-decoration.right .geometric-line {
    transform: rotate(-45deg);
}

.side-decoration.left .geometric-shape {
    animation-delay: 0.5s;
}

.side-decoration.right .geometric-shape {
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0);
    }
    50% {
        transform: translateY(-20px) rotate(10deg);
    }
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .side-decoration {
        width: 150px;
    }
    
    .geometric-shape.circle {
        width: 50px;
        height: 50px;
    }
    
    .geometric-shape.square {
        width: 40px;
        height: 40px;
    }
    
    .geometric-shape.triangle {
        border-left: 25px solid transparent;
        border-right: 25px solid transparent;
        border-bottom: 43px solid var(--primary);
    }
    
    .geometric-line {
        width: 80px;
    }
}

@media (max-width: 900px) {
    .side-decoration {
        display: none;
    }
}

.project-note {
    margin-top: 1.5rem;
    padding: 1.25rem;
    background: var(--bg);
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
    overflow: hidden;
}

.project-note::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, var(--primary), var(--primary-light));
}

.project-note i {
    font-size: 1.5rem;
    color: var(--primary);
    flex-shrink: 0;
}

.project-note p {
    color: var(--text);
    font-size: 1rem;
    margin: 0;
    flex-grow: 1;
}

.subscribe-btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.75rem 1.25rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.subscribe-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.subscribe-btn i {
    font-size: 1.25rem;
    color: white;
}

/* 响应式设计 */
@media (max-width: 640px) {
    .project-note {
        flex-direction: column;
        text-align: center;
        padding: 1rem;
        gap: 0.75rem;
    }

    .project-note::before {
        width: 100%;
        height: 4px;
        bottom: auto;
    }

    .project-note p {
        font-size: 0.95rem;
    }

    .subscribe-btn {
        width: 100%;
        justify-content: center;
        padding: 0.6rem 1rem;
    }
}

#copyright {
    width: 100%;
    text-align: center;
    padding: 1.5rem 1rem;
    color: var(--text-light);
    font-size: 0.9rem;
    background: white;
}

#copyright p {
    margin: 0;
    line-height: 1.8;
}

#copyright a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
    margin: 0 0.25rem;
}

#copyright a:hover {
    color: var(--primary);
}

/* 响应式设计 */
@media (max-width: 640px) {
    #copyright {
        font-size: 0.85rem;
        padding: 1rem;
    }
}

/* 确保所有文本元素使用霞鹜文楷 */
h1, h2, h3, h4, h5, h6,
p, span, a, button, input, textarea {
    font-family: var(--font-family);
}