/* 
 * PHOTOGRAPHER - 个人摄影网站
 * 设计风格: Modern Minimalism Premium
 * 经典极简主义设计
 */

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

:root {
    /* 颜色系统 */
    --white: #FFFFFF;
    --off-white: #FAFAFA;
    --light-gray: #F5F5F5;
    --medium-gray: #E5E5E5;
    --dark-gray: #333333;
    --text-primary: #1A1A1A;
    --text-secondary: #666666;
    --text-muted: #999999;
    
    /* 字体系统 */
    --font-primary: 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
    
    /* 间距系统 */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    --spacing-3xl: 96px;
    
    /* 过渡效果 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* ==================== 布局系统 ==================== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    letter-spacing: -0.02em;
}

/* 移动端标题样式 */
@media (max-width: 768px) {
    .section-title {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-lg);
    }
    
    .slide-content h1 {
        font-size: 2rem;
    }
    
    .slide-content p {
        font-size: 0.9rem;
    }
    
    .hero-slider {
        min-height: 250px;
    }
}

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

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--text-primary);
    transition: opacity var(--transition-fast);
}

.logo:hover {
    opacity: 0.7;
}

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

.nav-links a {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    padding: var(--spacing-sm) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--text-primary);
    transition: width var(--transition-normal);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

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

/* ==================== Hero 轮播区域 ==================== */
.hero {
    position: relative;
    width: 100%;
    overflow: hidden;
    background: var(--dark-gray);
}

.hero-slider {
    position: relative;
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    min-height: 400px;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease, visibility 1s ease;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide.active {
    opacity: 1;
    visibility: visible;
}

.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.5));
    pointer-events: none;
}

.slide-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
    animation: fadeInUp 1s ease forwards;
}

.slide-content h1 {
    font-size: 4rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.slide-content p {
    font-size: 1.25rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    opacity: 0.9;
}

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

.hero-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-xl);
    z-index: 10;
}

.hero-btn {
    font-size: 3rem;
    color: var(--white);
    opacity: 0.5;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.hero-btn:hover {
    opacity: 1;
    transform: scale(1.1);
}

.hero-indicators {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 10;
}

.hero-indicators .indicator {
    width: 60px;
    height: 2px;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.hero-indicators .indicator.active {
    background: var(--white);
}

/* ==================== 精选作品区域 ==================== */
.selected-work {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.work-filter {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.filter-btn {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 20px;
    transition: all var(--transition-fast);
    background: transparent;
}

.filter-btn:hover {
    color: var(--text-primary);
}

.filter-btn.active {
    color: var(--white);
    background: var(--text-primary);
}

/* 移动端筛选按钮样式 */
@media (max-width: 768px) {
    .filter-btn {
        font-size: 0.75rem;
        padding: 6px 12px;
    }
    
    .filter-container {
        margin-bottom: var(--spacing-lg);
        gap: 6px;
    }
}

.work-gallery {
    columns: 1;
    column-gap: var(--spacing-2xl);
}

@media (min-width: 768px) {
    .work-gallery {
        columns: 2;
        column-gap: var(--spacing-2xl);
    }
}

@media (min-width: 1024px) {
    .work-gallery {
        columns: 2;
        column-gap: var(--spacing-2xl);
    }
}

@media (min-width: 1400px) {
    .work-gallery {
        columns: 2;
        column-gap: var(--spacing-2xl);
    }
}

.work-item {
    break-inside: avoid;
    margin-bottom: var(--spacing-2xl);
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    background: var(--light-gray);
}

.work-item img {
    width: 100%;
    transition: transform var(--transition-slow);
}

.work-item:hover img {
    transform: scale(1.05);
}

.work-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0);
    transition: background var(--transition-normal);
    z-index: 1;
}

.work-item:hover::before {
    background: rgba(0,0,0,0.2);
}

.work-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-xl);
    color: var(--white);
    transform: translateY(100%);
    transition: transform var(--transition-normal);
    z-index: 2;
}

.work-item:hover .work-overlay {
    transform: translateY(0);
}

.work-overlay h3 {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.work-overlay p {
    font-size: 0.85rem;
    opacity: 0.8;
}

/* ==================== 关于和联系合并区域（左右布局） ==================== */
.about-contact {
    padding: var(--spacing-lg) 0;
    background: var(--off-white);
}

.about-contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.about-section,
.contact-section {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 8px;
}

.about-inner {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-md);
    text-align: left;
}

.about-inner .about-image {
    flex-shrink: 0;
    width: 180px;
    height: 180px;
    border-radius: 8px;
    overflow: hidden;
}

.about-inner .about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-inner .about-text {
    flex: 1;
}

.about-inner .about-text h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.about-inner .about-text .lead,
.about-inner .about-text p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

/* 移动端上下布局 */
@media (max-width: 768px) {
    .about-inner {
        flex-direction: column;
        text-align: center;
    }
    
    .about-inner .about-image {
        width: 150px;
        height: 150px;
        margin: 0 auto;
    }
}

.contact-section .section-title {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    text-align: center;
}

.contact-inner {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.contact-inner .contact-info h3 {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.contact-inner .contact-item {
    font-size: 0.75rem;
    margin-bottom: var(--spacing-xs);
}

.contact-inner .social-links {
    margin-top: var(--spacing-xs);
}

/* 二维码显示区域 */
.qrcode-section {
    text-align: center;
    padding: var(--spacing-sm);
    background: var(--off-white);
    border-radius: 8px;
    margin-bottom: var(--spacing-md);
}

.qrcode-section h3 {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.qrcode-section img {
    display: block;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .qrcode-section {
        padding: var(--spacing-xs);
    }
    
    .qrcode-section h3 {
        font-size: 0.85rem;
    }
    
    .qrcode-section img {
        max-width: 120px;
    }
}

.contact-inner .contact-form {
    gap: var(--spacing-md);
}

.contact-inner .form-group input,
.contact-inner .form-group textarea {
    padding: 12px 14px;
    font-size: 0.9rem;
}

.contact-inner .submit-btn {
    padding: 6px 12px;
    font-size: 0.75rem;
}

@media (max-width: 768px) {
    .about-contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
}

/* ==================== 页脚 ==================== */

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--off-white);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    transition: all var(--transition-fast);
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--text-primary);
    background: var(--white);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.submit-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--white);
    background: var(--text-primary);
    border-radius: 4px;
    transition: all var(--transition-normal);
    align-self: flex-start;
}

.submit-btn:hover {
    background: var(--dark-gray);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ==================== 页脚 ==================== */
.footer {
    padding: var(--spacing-2xl) 0;
    background: var(--off-white);
    border-top: 1px solid var(--medium-gray);
}

.footer-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-logo {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--text-primary);
}

.footer-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
}
}

/* ==================== Lightbox 弹窗 ==================== */
.lightbox {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999999999 !important;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all var(--transition-normal);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* 隐藏Lightbox的导航按钮，只有激活时才显示 */
.lightbox .lightbox-prev,
.lightbox .lightbox-next {
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.lightbox.active .lightbox-prev,
.lightbox.active .lightbox-next {
    opacity: 1;
    visibility: visible;
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.6);
    transition: all var(--transition-fast);
    z-index: 10;
}

.lightbox-prev {
    left: var(--spacing-xl);
}

.lightbox-next {
    right: var(--spacing-xl);
}

.lightbox-prev:hover,
.lightbox-next:hover {
    color: var(--white);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-content {
    max-width: 80%;
    max-height: 80%;
    text-align: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    margin: 0 auto;
    border: 5px solid yellow !important;
}

.lightbox-info {
    margin-top: var(--spacing-lg);
    color: var(--white);
}

.lightbox-info h3 {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: var(--spacing-xs);
}

.lightbox-info p {
    font-size: 0.9rem;
    opacity: 0.6;
}

.lightbox-attributes {
    margin-top: var(--spacing-md);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
}

.lightbox-attribute {
    font-size: 0.85rem;
    opacity: 0.8;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
}

.lightbox-attribute-label {
    opacity: 0.6;
    margin-right: var(--spacing-xs);
}

.lightbox-progress {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-xs);
}

.lightbox-progress .progress-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lightbox-progress .progress-dot.active {
    background: var(--white);
    transform: scale(1.3);
}

/* 手机端导航栏样式 - 始终显示 */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 10px;
        height: 50px;
    }
    
    .logo {
        font-size: 0.9rem;
    }
    
    .nav-right {
        gap: 8px;
    }
    
    .nav-links {
        display: flex !important;
        gap: 8px;
        background: transparent;
        padding: 0;
        border: none;
    }
    
    .nav-links li a {
        font-size: 0.65rem;
        padding: 4px 6px;
    }
    
    .mobile-menu-btn {
        display: none !important;
    }
}
    
    .about-stats {
        justify-content: space-around;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .lightbox-prev,
    .lightbox-next {
        font-size: 2rem;
        padding: var(--spacing-md);
    }
    
    .lightbox-prev {
        left: var(--spacing-md);
    }
    
    .lightbox-next {
        right: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    .slide-content h1 {
        font-size: 2rem;
    }
    
    .work-filter {
        gap: var(--spacing-sm);
    }
    
    .filter-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8rem;
    }
    
    .about-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
}

/* ==================== 动画效果 ==================== */
.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

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

.slide-up {
    animation: slideUp 0.5s ease forwards;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 页面滚动动画 */
.work-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.work-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 悬停效果增强 */
.work-item:hover .work-overlay h3 {
    animation: slideIn 0.3s ease forwards;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ==================== 语言切换器样式 ==================== */
.language-switcher {
    display: flex;
    align-items: center;
    margin-left: auto;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: transparent;
    border: 1px solid var(--medium-gray);
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: all var(--transition-normal);
}

.lang-btn:hover {
    background: var(--light-gray);
    border-color: var(--dark-gray);
}

.lang-icon {
    font-size: 1.1rem;
}

.lang-text {
    font-weight: 500;
}

/* 导航栏中的语言切换器容器 */
#language-switcher-container {
    display: flex;
    align-items: center;
}

/* 移动端适配 - 始终显示导航 */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 10px;
        height: 50px;
    }
    
    .logo {
        font-size: 0.9rem;
    }
    
    .nav-right {
        display: flex !important;
        position: static;
        flex-direction: row;
        align-items: center;
        background: transparent;
        padding: 0;
        gap: 8px;
        border: none;
    }
    
    .nav-links {
        display: flex !important;
        flex-direction: row;
        gap: 6px;
        padding: 0;
    }
    
    .nav-links li a {
        font-size: 0.6rem;
        padding: 4px 6px;
    }
    
    .language-switcher {
        margin-left: 4px;
    }
    
    .lang-btn {
        padding: 4px 8px;
        font-size: 0.7rem;
    }
    
    .lang-icon {
        font-size: 0.8rem;
    }
}