/* main.css - 主题全局样式 */
:root {
    --color-bg: #fcfcfc;
    --color-text: #0f0f0f;
    --color-gray: #888888;
    --color-light-gray: #eaeaea;
    --font-sans: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --transition-slow: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-fast: all 0.3s ease;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 96px;
    --spacing-xxl: 160px;
    --z-header: 100;
    --z-mobile-nav: 200;
    --z-mobile-toggle: 201;
    --z-lightbox: 9999;
    --layout-inline-padding: var(--spacing-lg);
    --layout-inline-padding-compact: clamp(var(--spacing-sm), 4vw, var(--spacing-md));
    
    /* 语义化颜色 */
    --color-white: #ffffff;
    --color-black: #000000;
    --overlay-bg: rgba(0, 0, 0, 0.95);
    --header-blend-color: var(--color-white);
}

/* 如果用户选择了深色模式或根据图片色调，可能动态注入 class */
body.dark-mode, html.dark-mode body {
    --color-bg: #0f0f0f;
    --color-text: #fcfcfc;
    --color-gray: #a0a0a0;
    --color-light-gray: #333333;
    --header-blend-color: var(--color-white);
}

/* 页面切换过渡层 */
.page-transition-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-bg);
    z-index: 11000;
    pointer-events: none;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.page-transition-overlay.hidden {
    opacity: 0;
}

.page-transition-overlay.visible {
    opacity: 1;
    pointer-events: all;
}

/* 基础复位 */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    /* 核心过渡动画：背景与文字颜色 */
    transition: background-color 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
                color 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
    /* 图片初始状态：微透明 + 模糊 (可选) */
    opacity: 0;
    transition: opacity 1.2s ease;
}

img.loaded {
    opacity: 1;
}

body.dark-mode img {
    opacity: 0;
}

body.dark-mode img.loaded {
    opacity: 0.85;
}

body.dark-mode .site-logo img,
body.dark-mode .site-logo img.loaded {
    opacity: 1;
}

/* 仅在非触屏设备上应用悬停效果，防止触屏手机点击后状态残留 */
@media (hover: hover) and (pointer: fine) {
    body.dark-mode img.loaded:hover {
        opacity: 1;
    }
}

/* 极简 Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-md) var(--layout-inline-padding);
    z-index: var(--z-header);
    background-color: var(--color-bg);
    backdrop-filter: none;
    mix-blend-mode: normal;
    color: var(--color-text);
    transition: background-color 0.6s cubic-bezier(0.4, 0, 0.2, 1), 
                padding 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                color 0.4s ease;
    text-shadow: none;
    transform: translateZ(0); /* 修复 iOS Safari fixed + mix-blend-mode 渲染闪烁 Bug */
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* 兼容性更好的回退逻辑 */
@supports not (mix-blend-mode: difference) {
    .site-header {
        background-color: var(--color-bg);
        backdrop-filter: none;
        color: var(--color-text);
        mix-blend-mode: normal;
    }
    body.dark-mode .site-header {
        background-color: var(--color-bg);
        color: var(--color-text);
    }
}

/* 滚动时增加背景 (通过 JS 控制) */
.site-header.scrolled {
    background-color: var(--color-bg);
    backdrop-filter: none;
    mix-blend-mode: normal;
    color: var(--color-text);
    padding: var(--spacing-sm) var(--layout-inline-padding);
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
}

body.dark-mode .site-header.scrolled {
    background-color: var(--color-bg);
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
}

.site-header.menu-active {
    mix-blend-mode: normal;
    color: var(--color-text);
    background-color: var(--color-bg);
}

.header-container {
    display: flex;
    justify-content: flex-start; /* 改为起点对齐，通过 margin-left: auto 推动右侧 */
    align-items: center;
    width: 100%;
    gap: var(--spacing-xl); /* 增加文字和菜单之间的间距，使布局更开阔 */
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-left: auto;
}

/* 昼夜切换开关样式 */
.theme-toggle {
    background: none;
    border: none;
    padding: 6px;
    cursor: pointer;
    color: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    outline: none;
}

.theme-toggle:hover {
    transform: scale(1.1);
}

.theme-toggle:active {
    transform: scale(0.9);
}

.aperture-icon {
    width: 20px;
    height: 20px;
    transition: transform 1s cubic-bezier(0.4, 0, 0.2, 1), 
                stroke-dashoffset 0.8s ease;
}

/* 切换时的动画：光圈旋转 */
body.dark-mode .aperture-icon {
    transform: rotate(180deg);
}

/* 首页也保持统一底色导航 */
.index-page .site-header:not(.scrolled) {
    background-color: var(--color-bg);
    backdrop-filter: none;
    mix-blend-mode: normal;
    color: var(--color-text);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.site-branding {
    position: relative;
    z-index: var(--z-mobile-toggle);
    display: flex;
    align-items: center;
}

.site-logo img {
    height: 32px;
    width: auto;
    object-fit: contain;
    transition: height 0.4s ease;
}

.site-header.scrolled .site-logo img {
    height: 28px;
}

.site-branding .site-title {
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-size: 1rem;
}

/* 仅针对主导航 */
.site-header .site-navigation {
    display: flex;
    margin-left: auto;
}

.site-header .site-navigation ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

.site-header .site-navigation a {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.7;
}

.site-header .site-navigation a:hover {
    opacity: 1;
}

/* 顶部进度条 */
.scroll-progress-container {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: transparent;
    transition: opacity 0.2s ease;
}

.scroll-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--color-text);
    transition: width 0.1s ease;
}

.site-header.scrolled .scroll-progress-bar {
    background: var(--color-text);
}

body.dark-mode .scroll-progress-bar {
    background: var(--color-white);
}

.site-header.menu-active .scroll-progress-container {
    opacity: 0;
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 24px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: var(--z-mobile-toggle);
}

.mobile-menu-toggle span {
    width: 100%;
    height: 2px;
    background-color: currentColor;
    transition: var(--transition-fast);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* 极简 Footer */
.site-footer {
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-gray);
    border-top: 1px solid var(--color-light-gray);
}

.js-enabled .site-header .site-navigation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    min-height: 100vh;
    height: calc(var(--vh, 1vh) * 100);
    margin-left: 0;
    background-color: var(--color-bg);
    padding: calc(72px + var(--spacing-lg)) var(--layout-inline-padding) var(--spacing-xl);
    box-sizing: border-box;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: var(--transition-fast);
    z-index: var(--z-mobile-nav);
    color: var(--color-text);
}

.js-enabled .site-header .site-navigation.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.js-enabled .site-header .site-navigation ul {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
}

.js-enabled .site-header .site-navigation a {
    font-size: 1.5rem;
}

.js-enabled .mobile-menu-toggle {
    display: flex;
}

/* 首页全屏大图轮播 (首页) */
.hero-slider {
    position: relative;
    width: 100%;
    height: 100vh;
    height: calc(var(--vh, 1vh) * 100);
    height: 100svh; /* 现代浏览器动态视口支持，完美解决地址栏遮挡 */
    overflow: hidden;
    background: var(--color-black);
}

.hero-slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    opacity: 0;
    visibility: hidden;
    z-index: 1;
    transition: all 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

/* 1. 渐隐 (Fade) */
.hero-slider[data-transition="fade"] .hero-slide {
    transition: opacity 1.5s ease-in-out, visibility 1.5s;
}

/* 2. 缩放 (Zoom) */
.hero-slider[data-transition="zoom"] .hero-slide {
    transform: scale(1.2);
}
.hero-slider[data-transition="zoom"] .hero-slide.active {
    transform: scale(1);
}

/* 3. 侧滑 (Slide) */
.hero-slider[data-transition="slide"] .hero-slide {
    transform: translateX(100%);
}
.hero-slider[data-transition="slide"] .hero-slide.active {
    transform: translateX(0);
}
.hero-slider[data-transition="slide"] .hero-slide.exit {
    transform: translateX(-100%);
    opacity: 1;
    visibility: visible;
}

/* 4. 模糊 (Blur) */
.hero-slider[data-transition="blur"] .hero-slide {
    filter: blur(30px);
}
.hero-slider[data-transition="blur"] .hero-slide.active {
    filter: blur(0);
}

.hero-slide img {
    width: 100%; height: 100%;
    object-fit: cover;
    filter: brightness(0.85);
    transition: transform 12s linear;
}

/* 分割标题样式 */
.section-divider {
    text-align: center;
    margin: var(--spacing-xxl) 0 var(--spacing-lg);
    position: relative;
}

.section-divider span {
    font-size: 0.8rem;
    letter-spacing: 0.4em;
    color: var(--color-gray);
    text-transform: uppercase;
    display: block;
}

.section-divider::after {
    content: '';
    display: block;
    width: 1px;
    height: 40px;
    background: var(--color-light-gray);
    margin: 20px auto 0;
}

/* 轮播占位图 */
.hero-placeholder-bg {
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, #1a1a1a 25%, #222 25%, #222 50%, #1a1a1a 50%, #1a1a1a 75%, #222 75%, #222 100%);
    background-size: 100px 100px;
    opacity: 0.3;
}

.hero-overlay-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--color-white);
    z-index: 10;
    width: 90%;
}

.hero-overlay-text h1 {
    font-family: var(--font-serif);
    font-size: 5rem;
    font-size: clamp(2.5rem, 8vw, 5rem);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    line-height: 1.2;
    word-wrap: break-word;
}

.hero-overlay-text p {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-size: clamp(0.85rem, 3vw, 1rem);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-top: var(--spacing-sm);
    line-height: 1.5;
}

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--color-white);
    opacity: 0.6;
}

.scroll-text {
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    margin-bottom: 10px;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-white), transparent);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-white);
    animation: scroll-line-anim 2s cubic-bezier(0.76, 0, 0.3, 1) infinite;
}

@keyframes scroll-line-anim {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
}

/* 首页过渡文案区 (Intro Section) */
.home-intro {
    padding: var(--spacing-xxl) var(--layout-inline-padding) var(--spacing-lg);
    background-color: var(--color-bg);
    text-align: center;
}

.intro-container {
    max-width: 800px;
    margin: 0 auto;
}

.intro-title {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.4em;
    color: var(--color-gray);
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
}

.intro-divider {
    width: 40px;
    height: 1px;
    background-color: var(--color-light-gray);
    margin: 0 auto var(--spacing-md);
}

.intro-description {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    line-height: 1.5;
    color: var(--color-text);
    font-style: italic;
    opacity: 0.9;
}

/* 画册封面展示网格 (首页) */
.album-covers {
    padding: var(--spacing-xl) var(--layout-inline-padding) var(--spacing-xxl);
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--spacing-lg);
}

.album-card {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

/* 比如第一张占8列，第二张占4列，实现不对称 */
.album-card:nth-child(even) { grid-column: span 5; }
.album-card:nth-child(odd) { grid-column: span 7; }

.album-image {
    width: 100%;
    height: 60vh;
    height: calc(var(--vh, 1vh) * 60);
    height: 60svh; /* 动态视口高度，解决手机端高度问题 */
    object-fit: cover;
    transition: transform 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@media (hover: hover) and (pointer: fine) {
    .album-card:hover .album-image {
        transform: scale(1.05);
    }
}

.album-title-overlay {
    position: absolute;
    bottom: 0; left: 0;
    width: 100%;
    padding: var(--spacing-lg);
    background: linear-gradient(to top, rgba(0,0,0,0.4), transparent);
    color: var(--color-white);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 首页文章列表的标题样式 (非 Overlay) */
.post-card-info {
    opacity: 1;
    transform: translateY(0);
    background: none;
    position: relative;
    color: var(--color-text);
    padding: var(--spacing-md) 0 0 0;
}

.post-card-info .album-title {
    font-size: 1.5rem;
}

.post-card-info .post-date {
    font-size: 0.75rem;
    color: var(--color-gray);
    margin-top: 5px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (hover: hover) and (pointer: fine) {
    .album-card:hover .album-title-overlay {
        opacity: 1;
        transform: translateY(0);
    }
}

.album-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 400;
}

/* 文章页：左右分栏 (Split Screen) */
.post-split-layout {
    display: flex;
    min-height: 100vh;
    padding-top: 100px; /* 避开 header */
}

.post-sidebar {
    width: 35%;
    padding: var(--spacing-lg) var(--spacing-xl);
    position: sticky;
    top: 100px;
    height: calc(100vh - 100px);
    overflow-y: auto;
    /* 隐藏滚动条 */
    scrollbar-width: none; 
    -ms-overflow-style: none;
}
.post-sidebar::-webkit-scrollbar { display: none; }

.post-title {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.post-meta {
    font-size: 0.85rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.post-content-text {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.8;
}

.post-content-text p { margin-bottom: var(--spacing-md); }

/* 技术规格样式 */
.post-specs {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-light-gray);
}

.specs-title {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-gray);
    margin-bottom: var(--spacing-sm);
}

.specs-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
}

.spec-item {
    display: flex;
    flex-direction: column;
}

.spec-label {
    font-size: 0.65rem;
    color: var(--color-gray);
    text-transform: uppercase;
    margin-bottom: 2px;
}

.spec-value {
    font-size: 0.9rem;
    font-weight: 500;
}

/* 文章页：右侧瀑布流画廊 */
.post-gallery {
    width: 65%;
    padding: var(--spacing-lg);
}

/* Masonry Grid 容器 */
.masonry-grid {
    /* js 中会计算 Gutter */
    width: 100%;
}

.masonry-item {
    margin-bottom: var(--spacing-md);
    /* 默认两列排版 */
    width: calc(50% - (var(--spacing-md) / 2));
}

/* 如果是横图，让它占满整行 */
.masonry-item.landscape { width: 100%; }

.masonry-item img {
    width: 100%;
    display: block;
    cursor: zoom-in;
}

/* 隐藏在文章内容里被剥离出来的原生图片 */
.post-content-raw { display: none; }

/* 关于我 (Hero Portrait) */
.about-hero {
    min-height: 100vh;
    background-color: var(--color-bg);
}
.about-container {
    display: flex;
    max-width: 1600px;
    margin: 0 auto;
    min-height: 100vh;
}
.about-portrait {
    width: 45%;
    height: 100vh;
    position: sticky;
    top: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-xxl) var(--spacing-xl);
}
.about-portrait img, .portrait-placeholder {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 75vh;
    object-fit: contain;
    border: 1px solid var(--color-light-gray);
    box-shadow: 0 15px 50px rgba(0,0,0,0.08);
    transition: transform 0.6s cubic-bezier(0.2, 1, 0.3, 1);
}
.about-portrait:hover img {
    transform: translateY(-5px);
}
.portrait-placeholder {
    background: var(--color-light-gray);
    aspect-ratio: 3/4;
    width: 100%;
    max-width: 400px;
}
.about-content {
    width: 55%;
    padding: var(--spacing-xxl) var(--spacing-xl) var(--spacing-xxl) 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.about-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

/* 沉浸式阅图体验 (Lightbox) */
.lightbox-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    background: var(--overlay-bg);
    z-index: var(--z-lightbox);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s;
    backdrop-filter: blur(20px);
}
.lightbox-overlay.active {
    opacity: 1;
    visibility: visible;
}
.lightbox-img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}
.lightbox-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    color: var(--color-white);
    font-size: 2rem;
    cursor: pointer;
    background: none;
    border: none;
}
.lightbox-exif {
    position: absolute;
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
    color: rgba(255,255,255,0.6);
    font-size: 0.8rem;
    font-family: var(--font-sans);
    letter-spacing: 0.05em;
}

/* 响应式 */
.mobile-only { display: none; }
@media (max-width: 1024px) {
    :root {
        --layout-inline-padding: var(--layout-inline-padding-compact);
    }

    .post-split-layout { flex-direction: column; }
    .post-sidebar, .post-gallery { width: 100%; }
    .post-sidebar { position: relative; top: 0; height: auto; }
    .masonry-item { width: 100% !important; }
    .album-card:nth-child(n) { grid-column: span 12; }

    .desktop-only { display: none; }
    .mobile-only { display: block; }
    
    .about-hero { 
        min-height: auto;
    }
    .about-container {
        flex-direction: column;
        min-height: auto;
        padding: 120px var(--spacing-md) var(--spacing-xl);
    }
    .about-portrait, .about-content { 
        width: 100%; 
        padding: 0;
    }
    .about-title.mobile-only {
        text-align: center;
        margin-bottom: var(--spacing-xl);
        font-size: 2.5rem;
    }
    .about-portrait { 
        position: relative;
        height: auto;
        margin-bottom: var(--spacing-xl);
    }
    .about-portrait img, .portrait-placeholder {
        width: 100%;
        max-width: 500px;
        height: auto;
        aspect-ratio: 4/5;
        max-height: none;
        object-fit: cover; /* 移动端采用 cover 以获得更好的视觉一致性 */
        border-radius: 4px;
    }
    
    /* 兼容老版本浏览器（如旧版 iOS/微信），不支持 aspect-ratio 时的后备方案 */
    @supports not (aspect-ratio: 4/5) {
        .about-portrait img, .portrait-placeholder {
            height: 60vh; 
        }
    }
    .about-content {
        text-align: center;
    }
    .about-content .post-content-text {
        text-align: left;
        max-width: 600px;
        margin: 0 auto;
    }
    
    /* 归档和分类页适配 */
    .archives-container, .galleries-container {
        padding: 120px var(--spacing-md) var(--spacing-xl) !important;
    }

    /* 移动端菜单激活时，将 breakpoint 移到 1024px */
    .site-header {
        padding: var(--spacing-sm) var(--layout-inline-padding);
        background-color: var(--color-bg);
        backdrop-filter: none;
        mix-blend-mode: normal;
        color: var(--color-text);
        box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    }
    body.dark-mode .site-header {
        background-color: var(--color-bg);
        color: var(--color-text);
        box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    }

    .header-container {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }

    .header-actions {
        gap: var(--spacing-sm);
        z-index: var(--z-mobile-toggle);
        position: relative;
    }

    .site-header .site-navigation {
        width: 100%;
        margin-top: var(--spacing-sm);
    }

    .site-header .site-navigation ul {
        justify-content: flex-start;
    }

    .site-header.menu-active {
        box-shadow: none;
    }

    .index-page .hero-slider {
        width: 100%;
        margin: 0;
    }

    .index-page .hero-overlay-text {
        width: auto;
        left: var(--layout-inline-padding);
        right: var(--layout-inline-padding);
        transform: translateY(-50%);
    }

    .js-enabled .site-header .site-navigation {
        margin-top: 0;
        padding-top: calc(64px + var(--spacing-lg));
    }

}

@media (max-width: 768px) {
    /* 已经合并到 1024px 中处理主要的导航逻辑，这里保留其他细节优化 */
    .site-footer {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    /* 修复文字重叠和边距问题 */
    .hero-overlay-text h1 {
        font-size: 1.8rem;
        font-size: clamp(1.2rem, 5vw, 2rem);
        letter-spacing: 0.05em;
        line-height: 1.2;
    }
    
    .hero-overlay-text p {
        font-size: 0.8rem;
        font-size: clamp(0.7rem, 3vw, 0.9rem);
        letter-spacing: 0.1em;
        margin-top: 8px;
        line-height: 1.5;
    }

    .post-title {
        font-size: 2.2rem;
    }

    .album-covers {
        padding: var(--spacing-xl) var(--spacing-md);
        gap: var(--spacing-md);
    }
    
    .album-image {
        height: 50vh;
        height: calc(var(--vh, 1vh) * 50);
    }

    .album-title-overlay {
        opacity: 1 !important;
        transform: translateY(0) !important;
        padding: var(--spacing-md) !important;
    }

    .album-title {
        font-size: 1.5rem !important;
    }

    .intro-description {
        font-size: 1.4rem !important;
        padding: 0 var(--spacing-md);
    }
    
    .scroll-line {
        height: 40px;
    }

    .post-sidebar {
        padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md) !important;
    }

    .post-title {
        font-size: 2.2rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .post-meta {
        margin-bottom: var(--spacing-lg);
    }

    .post-gallery {
        padding: var(--spacing-sm) !important;
    }

    .masonry-item {
        margin-bottom: var(--spacing-sm) !important;
    }

    /* 归档页移动端优化 */
    .archives-list li {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 4px !important;
        padding: var(--spacing-md) 0 !important;
    }
    
    .archives-list li span {
        width: auto !important;
        font-size: 0.75rem !important;
        opacity: 0.6 !important;
    }
    
    .archives-list li a {
        text-align: left !important;
        font-size: 1.25rem !important;
        line-height: 1.3 !important;
    }

    /* 分类页移动端优化 */
    .galleries-grid {
        grid-template-columns: 1fr !important;
    }
    
    .gallery-overlay h2 {
        font-size: 1.5rem !important;
    }



    /* 联系页移动端优化 */
    .contact-content h1 {
        font-size: 2rem !important;
    }
    
    .email-link {
        font-size: 1.2rem !important;
        word-break: break-all;
    }
}

/* 归档与分类页基础样式 (防止行内样式) */
.archives-container, .galleries-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 150px var(--spacing-lg) var(--spacing-xxl);
}



.contact-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.contact-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
    filter: blur(30px);
    background-size: cover;
    background-position: center;
}

.contact-content {
    z-index: 10;
    text-align: center;
    padding: var(--spacing-xl);
}

.email-link a {
    color: var(--color-text);
    text-decoration: none;
    position: relative;
    display: inline-block;
}

.email-link a::after {
    content: '';
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--color-text);
    transform-origin: bottom right;
    transition: transform 0.4s ease-out;
}

.email-link a:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

.archives-list {
    margin-top: var(--spacing-xl);
}

.galleries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: var(--spacing-md);
}

.gallery-card {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    cursor: pointer;
}

.gallery-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 1;
    transition: opacity 0.5s ease;
}

.gallery-card:hover img {
    transform: scale(1.05);
}

.gallery-card:hover .gallery-overlay {
    opacity: 0;
}