/* ==================== 奥黛丽·赫本遗产基金会网站 - V3版本 ==================== */
/* 版本: 3.1.0 */
/*
 * V3设计要点：
 * - PC端(>=1024px)：黑色背景，全屏图片cover，优雅分隔线按钮
 * - 手机/PAD端(<1024px)：白色背景，图片宽度占满，优雅分隔线按钮
 * - 手机横屏：上下布局（图片在上，文字在下）
 * - 联系页面：保持不变
 */

/* ==================== CSS变量 - 设计令牌 ==================== */
:root {
    /* 主色调 */
    --color-primary: #5a9a9a;
    --color-primary-dark: #4a8a8a;
    --color-primary-light: #6aaaaa;

    /* 中性色 */
    --color-text-primary: #333;
    --color-text-secondary: #666;
    --color-text-muted: #888;
    --color-border: #d0d0d0;
    --color-bg-light: #f5f5f5;
    --color-bg-white: #fff;
    --color-year-diff: #e8e8e8;

    /* 间距 */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;

    /* 字体大小 - 基础 */
    --font-size-title: 18px;
    --font-size-subtitle: 10px;
    --font-size-contact-label: 11px;
    --font-size-contact-value: 14px;
    --font-size-year: 40px;
    --font-size-year-mark: 18px;
    --font-size-enter: 16px;
    --font-size-footer: 11px;

    /* 容器宽度 */
    --content-max: 400px;

    /* 动画 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease-in-out;
}

/* ==================== 全局样式重置 ==================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html,
body {
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

/* ==================== 主容器 ==================== */
.container {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ==================== 页面容器 ==================== */
.page-container {
    position: relative;
    flex: 1;
    width: 100%;
    min-height: calc(100vh - 85px);
}

/* ==================== 页面通用样式 ==================== */
.page {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
    z-index: 1;
}

.page.active {
    opacity: 1;
    visibility: visible;
    z-index: 10;
}

/* ==========================================================================
   V3 核心修改：移动端/PAD端样式 (<1024px)
   - 白色背景
   - 图片宽度占满屏幕
   - 优雅分隔线按钮
   ========================================================================== */

/* ==================== 入口页面 - 移动端/PAD基础样式 ==================== */
#enter-page {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #fff;
}

.enter-wrapper {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 0;
    overflow: visible;
    background-color: #fff;
}

/* 人物图片区域 - V3: 宽度占满屏幕，contain模式显示全图 */
.enter-image-area {
    position: absolute;
    top: 10%;
    left: 0;
    width: 100%;
    height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-normal);
    z-index: 1;
}

.enter-image-area img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    display: block;
}

.enter-image {
    width: 100%;
    height: auto;
    display: block;
}

.enter-image-area:active {
    transform: scale(0.98);
}

/* ==================== 优雅分隔线进入按钮区域 ==================== */
.enter-action-section {
    position: absolute;
    bottom: 50%;
    left: 0;
    width: 100%;
    padding: 8px 20px 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #fff;
    cursor: pointer;
    z-index: 2;
}

/* 分隔装饰线 */
.enter-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 6px;
    width: 100%;
    max-width: 200px;
}

.divider-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, transparent, #c0c0c0, transparent);
}

.divider-icon {
    font-size: 10px;
    color: #5a9a9a;
    opacity: 0.5;
}

/* 进入按钮样式 - 优雅极简风格 */
.enter-button {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    -webkit-tap-highlight-color: rgba(90, 154, 154, 0.2);
    position: relative;
}

/* 优雅的下划线装饰 */
.enter-button::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 1px;
    background-color: #5a9a9a;
    transition: all var(--transition-normal);
    opacity: 0.6;
}

.enter-button:active::after {
    width: 60px;
    opacity: 1;
}

.enter-button:active .enter-text-cn {
    color: #4a8a8a;
    letter-spacing: 10px;
}

.enter-text-cn {
    font-family: 'Times New Roman', 'PingFang SC', serif;
    font-size: var(--font-size-enter);
    font-weight: 400;
    color: #5a9a9a;
    letter-spacing: 8px;
    transition: all var(--transition-normal);
}

.enter-text-en {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 9px;
    font-weight: 400;
    color: #aaa;
    letter-spacing: 3px;
    transition: all var(--transition-normal);
}

/* ==================== 统一页脚 - 移动端样式 ==================== */
.page-footer {
    width: 100%;
    padding: var(--space-md) var(--space-md);
    text-align: center;
    z-index: 100;
    flex-shrink: 0;
    background-color: var(--color-bg-light);
    border-top: 1px solid #e0e0e0;
    transition: background-color 0.5s ease, border-top 0.5s ease;
    min-height: 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

/* 入口页面页脚 - V3: 移动端浅色背景，与联系页面保持一致 */
.page-container:has(#enter-page.active)+.page-footer {
    position: relative;
    background-color: var(--color-bg-light);
    border-top: 1px solid #e0e0e0;
    transition: background-color 0.5s ease, border-top 0.5s ease;
    min-height: 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.page-container:has(#enter-page.active)+.page-footer .copyright {
    font-size: var(--font-size-footer);
    color: #777;
    margin-bottom: 0;
    letter-spacing: 0.5px;
}

.page-container:has(#enter-page.active)+.page-footer .icp {
    font-size: 10px;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.page-container:has(#enter-page.active)+.page-footer .icp a {
    color: #5a9a9a;
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-container:has(#enter-page.active)+.page-footer .icp a:hover {
    color: #7ababa;
    text-decoration: underline;
}

/* 联系页面页脚 - 浅色背景 */
.page-container:has(#contact-page.active)+.page-footer {
    position: relative;
    background-color: var(--color-bg-light);
    border-top: 1px solid #e0e0e0;
    transition: background-color 0.5s ease, border-top 0.5s ease;
}

.page-container:has(#contact-page.active)+.page-footer .copyright {
    font-size: var(--font-size-footer);
    color: #777;
    margin-bottom: 0;
    letter-spacing: 0.5px;
}

.page-container:has(#contact-page.active)+.page-footer .icp {
    font-size: 10px;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.page-container:has(#contact-page.active)+.page-footer .icp a {
    color: #5a9a9a;
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-container:has(#contact-page.active)+.page-footer .icp a:hover {
    color: #7ababa;
    text-decoration: underline;
}

/* ==================== 联系页面 - 移动端基础样式 ==================== */
#contact-page {
    display: flex;
    flex-direction: column;
    background-color: var(--color-bg-white);
    min-height: 100vh;
}

.contact-wrapper {
    flex: 1;
    width: 100%;
    display: flex;
    flex-direction: column;
    background-color: var(--color-bg-white);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
    padding: var(--space-lg) var(--space-md) var(--space-md);
    justify-content: center;
    min-height: calc(100vh - 85px);
}

/* 签名图片区域 */
.signature-area {
    width: 100%;
    margin: 0 auto;
    padding: var(--space-lg) var(--space-md) var(--space-sm);
    display: flex;
    justify-content: center;
}

.signature-image-wrapper {
    width: 100%;
    max-width: 200px;
    overflow: hidden;
}

.signature-image {
    width: 100%;
    height: auto;
    display: block;
}

/* 标题区域 */
.estate-header {
    width: 100%;
    max-width: var(--content-max);
    margin: 0 auto;
    padding: var(--space-sm) var(--space-md);
    text-align: center;
}

.estate-title {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: var(--font-size-title);
    font-weight: 500;
    color: var(--color-primary-dark);
    letter-spacing: 3px;
    margin-bottom: var(--space-xs);
    line-height: 1.3;
}

.estate-subtitle-en {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: var(--font-size-subtitle);
    font-weight: 400;
    color: var(--color-text-muted);
    letter-spacing: 2px;
    line-height: 1.3;
}

/* 中文联系信息 */
.chinese-contact {
    width: 100%;
    max-width: var(--content-max);
    margin: var(--space-lg) auto;
    text-align: center;
    padding: 0 var(--space-md);
}

.contact-item-large {
    margin-bottom: var(--space-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}

.contact-item-large:last-child {
    margin-bottom: 0;
}

.contact-label-large {
    font-size: var(--font-size-contact-label);
    color: var(--color-text-muted);
    letter-spacing: 2px;
    text-align: center;
    text-transform: uppercase;
}

.contact-value-large {
    font-size: var(--font-size-contact-value);
    color: var(--color-primary-dark);
    text-decoration: none;
    letter-spacing: 0.5px;
    transition: all var(--transition-normal);
    font-weight: 500;
    text-align: center;
    line-height: 1.4;
    padding: var(--space-xs) var(--space-sm);
    border-radius: 4px;
    -webkit-tap-highlight-color: rgba(90, 154, 154, 0.2);
}

.contact-value-large:active {
    background-color: rgba(90, 154, 154, 0.1);
}

/* 纪念年份 */
.memorial-year {
    width: 100%;
    max-width: var(--content-max);
    margin: var(--space-lg) auto var(--space-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    padding: 0 var(--space-md);
}

.year-line {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.line-left,
.line-right {
    flex: 1;
    height: 1px;
    background-color: var(--color-border);
    max-width: 50px;
}

.year-start,
.year-end {
    font-family: 'Times New Roman', Times, serif;
    font-size: var(--font-size-year-mark);
    font-weight: 400;
    color: var(--color-primary);
    letter-spacing: 1px;
}

.year-diff {
    font-family: 'Times New Roman', Times, serif;
    font-size: var(--font-size-year);
    font-weight: 300;
    color: var(--color-year-diff);
    letter-spacing: 1px;
    line-height: 1;
    margin: 0 4px;
    transition: color var(--transition-normal);
}

.memorial-year:active .year-diff {
    color: #d0d0d0;
}

/* ==================== 动画效果 ==================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page.active .enter-image-area,
.page.active .enter-divider,
.page.active .signature-area,
.page.active .estate-header,
.page.active .chinese-contact,
.page.active .memorial-year {
    animation: fadeIn 0.6s ease-out;
}

/* 进入按钮动画已移除，避免页面切换时的跳动 */

/* ==================== 触摸优化 ==================== */
.enter-image-area,
.enter-action-section,
.memorial-year,
.contact-value-large {
    -webkit-tap-highlight-color: rgba(90, 154, 154, 0.2);
}

/* ==========================================================================
   响应式断点
   ========================================================================== */

/* ==================== 小屏手机优化 (< 375px) ==================== */
@media screen and (max-width: 374px) {
    :root {
        --font-size-title: 16px;
        --font-size-contact-value: 13px;
        --font-size-year: 36px;
        --font-size-enter: 14px;
    }

    .enter-wrapper {
        padding: 0;
    }

    .enter-image-area {
        height: 48vh;
    }

    .enter-action-section {
        bottom: 48%;
        padding: 6px 15px 10px;
    }

    .enter-divider {
        margin-bottom: 5px;
        max-width: 160px;
    }

    .enter-button {
        padding: 6px 35px;
    }

    .enter-button::after {
        width: 35px;
    }

    .enter-text-cn {
        letter-spacing: 6px;
    }

    .signature-area {
        padding-top: var(--space-md);
    }

    .contact-item-large {
        margin-bottom: 12px;
    }
}

/* ==================== 大屏手机优化 (375px - 767px) ==================== */
@media screen and (min-width: 375px) and (max-width: 767px) {
    :root {
        --font-size-title: 19px;
        --font-size-contact-value: 15px;
        --font-size-year: 44px;
        --font-size-enter: 17px;
    }

    .enter-wrapper {
        padding: 0;
    }

    .enter-image-area {
        height: 50vh;
    }

    .enter-action-section {
        bottom: 40%;
        padding: 8px 20px 12px;
    }

    .enter-divider {
        margin-bottom: 6px;
    }

    .enter-button {
        padding: 7px 40px;
    }

    .enter-text-cn {
        letter-spacing: 7px;
    }

    .signature-image-wrapper {
        max-width: 220px;
    }
}

/* ==================== Tablet断点 (768px - 1023px) ==================== */
@media screen and (min-width: 768px) and (max-width: 1023px) {
    :root {
        --font-size-title: 22px;
        --font-size-subtitle: 12px;
        --font-size-contact-label: 13px;
        --font-size-contact-value: 17px;
        --font-size-year: 56px;
        --font-size-year-mark: 24px;
        --font-size-enter: 20px;
        --font-size-footer: 12px;
        --content-max: 600px;
    }

    /* V3: Tablet仍为白色背景，图片宽度占满 */
    .enter-wrapper {
        padding: 0;
    }

    .enter-image-area {
        height: 55vh;
    }

    .enter-action-section {
        bottom: 35%;
        padding: 15px 30px 15px;
    }

    /* Tablet入口页面页脚 */
    .page-container:has(#enter-page.active)+.page-footer {
        padding: var(--space-md) var(--space-md);
        min-height: 60px;
    }

    /* Tablet联系页面页脚 */
    .page-container:has(#contact-page.active)+.page-footer {
        padding: var(--space-md) var(--space-md);
        min-height: 60px;
    }

    .enter-divider {
        margin-bottom: 8px;
        max-width: 240px;
    }

    .divider-line {
        height: 1px;
    }

    .enter-button {
        padding: 10px 45px;
    }

    .enter-text-cn {
        font-size: 18px;
        letter-spacing: 9px;
    }

    .enter-text-en {
        font-size: 9px;
        letter-spacing: 3px;
    }

    /* 页脚 - 移除横屏时的白色边框 */
    .page-container:has(#enter-page.active)+.page-footer {
        position: relative;
        background: transparent;
        border-top: none;
    }

    /* 联系页面 */
    .contact-wrapper {
        padding: var(--space-2xl) var(--space-xl);
    }

    .signature-area {
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
        padding: var(--space-lg) var(--space-xl) var(--space-md);
    }

    .signature-image-wrapper {
        max-width: 240px;
    }

    .estate-header {
        padding: var(--space-md) var(--space-xl);
    }

    .estate-title {
        letter-spacing: 5px;
        margin-bottom: var(--space-sm);
    }

    .estate-subtitle-en {
        letter-spacing: 3px;
    }

    .chinese-contact {
        margin: var(--space-xl) auto;
    }

    .contact-item-large {
        margin-bottom: var(--space-lg);
        gap: var(--space-sm);
    }

    .contact-label-large {
        letter-spacing: 3px;
    }

    .memorial-year {
        margin: var(--space-xl) auto var(--space-2xl);
    }

    .year-line {
        gap: var(--space-md);
    }

    .line-left,
    .line-right {
        max-width: 80px;
    }
}

/* ==========================================================================
   横屏手机优化 (<1024px 且横屏) - V3: 改为上下布局
   ========================================================================== */
@media screen and (max-width: 1023px) and (orientation: landscape) {
    .page-container {
        min-height: 100vh;
    }

    /* 横屏入口页面 - 白色背景 */
    #enter-page {
        min-height: 100vh;
        background-color: #fff;
    }

    /* V3: 横屏改为上下布局 */
    .enter-wrapper {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 0;
        gap: 0;
        min-height: 100vh;
    }

    /* V3: 图片在上，contain模式显示全图，固定高度，避开刘海屏 */
    .enter-image-area {
        position: absolute;
        top: 50px;
        left: 0;
        width: 100%;
        height: calc(100vh - 120px);
        display: flex;
        align-items: center;
        justify-content: center;
        background-color: transparent;
        overflow: hidden;
    }

    .enter-image-area img {
        width: auto;
        height: auto;
        max-width: 100%;
        max-height: 100%;
        object-fit: contain;
        object-position: center;
    }

    /* V3: 按钮区域绝对定位在图片下方 */
    .enter-action-section {
        position: absolute;
        bottom: 30px;
        left: 0;
        width: 100%;
        padding: 6px 20px 12px;
        background-color: #fff;
    }

    .enter-divider {
        margin-bottom: 5px;
        max-width: 180px;
    }

    .divider-line {
        background: linear-gradient(to right, transparent, #c0c0c0, transparent);
    }

    .enter-button {
        padding: 6px 35px;
    }

    .enter-button::after {
        width: 35px;
    }

    .enter-text-cn {
        font-size: 13px;
        letter-spacing: 6px;
    }

    .enter-text-en {
        font-size: 7px;
        letter-spacing: 2px;
    }

    /* 横屏联系页面优化 */
    .contact-wrapper {
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: var(--space-sm) var(--space-md) var(--space-lg);
        gap: var(--space-xs);
        min-height: 100vh;
    }

    .signature-area {
        width: 100%;
        max-width: var(--content-max);
        margin: 0 auto;
        padding: var(--space-md) var(--space-md) var(--space-xs);
        flex-shrink: 0;
        display: flex;
        justify-content: center;
    }

    .signature-image-wrapper {
        width: 100%;
        max-width: 240px;
        overflow: hidden;
    }

    .signature-image {
        width: 100%;
        height: auto;
        display: block;
        clip-path: none;
        margin-bottom: 0;
    }

    .estate-header {
        width: 100%;
        max-width: var(--content-max);
        margin: 0 auto;
        padding: var(--space-sm) var(--space-md);
        text-align: center;
        flex-shrink: 0;
    }

    .estate-title {
        font-size: var(--font-size-title);
        letter-spacing: 3px;
        margin-bottom: var(--space-xs);
    }

    .estate-subtitle-en {
        font-size: var(--font-size-subtitle);
    }

    .chinese-contact {
        width: 100%;
        max-width: var(--content-max);
        margin: var(--space-lg) auto;
        padding: 0 var(--space-md);
        text-align: center;
    }

    .contact-item-large {
        margin-bottom: var(--space-xs);
        flex-direction: column;
        align-items: center;
    }

    .contact-label-large {
        text-align: center;
        font-size: var(--font-size-contact-label);
    }

    .contact-value-large {
        text-align: center;
        font-size: var(--font-size-contact-value);
        padding: 2px 4px;
    }

    .memorial-year {
        width: 100%;
        max-width: var(--content-max);
        margin: var(--space-lg) auto var(--space-xl);
        padding: 0 var(--space-md);
        display: block;
    }

    /* 横屏页脚 - 浅色背景，与联系页面保持一致 */
    .page-container:has(#enter-page.active)+.page-footer {
        position: relative;
        background-color: var(--color-bg-light);
        border-top: 1px solid #e0e0e0;
        padding: 10px var(--space-md);
        min-height: 50px;
        transition: background-color 0.5s ease, border-top 0.5s ease;
    }

    .page-container:has(#enter-page.active)+.page-footer .copyright {
        color: #777;
        font-size: var(--font-size-footer);
    }

    .page-container:has(#enter-page.active)+.page-footer .icp {
        color: var(--color-text-muted);
        font-size: 10px;
    }

    .page-container:has(#enter-page.active)+.page-footer .icp a {
        color: #5a9a9a;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    .page-container:has(#enter-page.active)+.page-footer .icp a:hover {
        color: #7ababa;
        text-decoration: underline;
    }

    .page-container:has(#contact-page.active)+.page-footer {
        position: relative;
        background-color: var(--color-bg-light);
        border-top: 1px solid #e0e0e0;
        padding: var(--space-md) var(--space-md);
        min-height: 50px;
        transition: background-color 0.5s ease, border-top 0.5s ease;
    }
}

/* ==========================================================================
   PC端样式 (>=1024px) - V3: 黑色背景，全屏cover，优雅分隔线按钮
   ========================================================================== */
@media screen and (min-width: 1024px) {
    :root {
        --font-size-title: 24px;
        --font-size-subtitle: 13px;
        --font-size-contact-label: 14px;
        --font-size-contact-value: 16px;
        --font-size-year: 72px;
        --font-size-year-mark: 28px;
        --font-size-enter: 28px;
        --font-size-footer: 13px;
        --content-max: 800px;
    }

    .page-container {
        min-height: calc(100vh - 95px);
    }

    /* ==================== PC端入口页面 - 黑色背景全屏 ==================== */
    #enter-page {
        background-color: #000;
    }

    .enter-wrapper {
        position: relative;
        width: 100%;
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-end;
        padding: 0 0 60px 0;
        overflow: hidden;
        background-color: #000;
    }

    /* PC端：图片全屏cover */
    .enter-image-area {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
        cursor: pointer;
        transition: transform var(--transition-normal);
        background-color: #000;
        z-index: 1;
    }

    .enter-image-area img {
        width: 100%;
        height: 100%;
        max-width: none;
        max-height: none;
        object-fit: cover;
        object-position: center;
        opacity: 0.9;
    }

    .enter-image {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    /* PC端：优雅分隔线按钮 - 相对定位，不影响移动端 */
    .enter-action-section {
        position: relative !important;
        padding: 20px 30px;
        margin-bottom: 10px;
        display: flex;
        flex-direction: column;
        align-items: center;
        background: transparent;
        z-index: 2;
        cursor: pointer;
        box-shadow: none !important;
    }

    .enter-divider {
        display: none;
    }

    .enter-button {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 8px 50px;
        background-color: rgba(0, 0, 0, 0.25);
        border-radius: 4px;
        border: none;
        cursor: pointer;
        transition: all var(--transition-normal);
        position: relative;
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }

    .enter-button:active {
        background-color: rgba(0, 0, 0, 0.45);
        transform: scale(0.97);
    }

    .enter-button::after {
        display: none;
    }

    .enter-text-cn {
        font-family: 'Times New Roman', 'PingFang SC', serif;
        font-size: var(--font-size-enter);
        font-weight: 300;
        color: #fff;
        letter-spacing: 8px;
        transition: all var(--transition-normal);
    }

    .enter-button:hover .enter-text-cn {
        letter-spacing: 12px;
    }

    .enter-text-en {
        display: none;
    }

    /* PC端页脚 - 黑色背景，无边框 */
    .page-container:has(#enter-page.active)+.page-footer {
        position: relative;
        background-color: #000;
        border-top: none !important;
        padding: var(--space-lg) var(--space-xl);
        min-height: 80px;
        transition: background-color 0.5s ease, border-top 0.5s ease;
    }

    .page-container:has(#enter-page.active)+.page-footer .copyright {
        font-size: 12px;
        color: rgba(255, 255, 255, 0.8);
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    }

    .page-container:has(#enter-page.active)+.page-footer .icp {
        font-size: 11px;
        color: rgba(255, 255, 255, 0.7);
    }

    .page-container:has(#enter-page.active)+.page-footer .icp a {
        color: #5a9a9a;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    .page-container:has(#enter-page.active)+.page-footer .icp a:hover {
        color: #7ababa;
        text-decoration: underline;
    }

    /* ==================== PC端联系页面 ==================== */
    .contact-wrapper {
        padding: 40px var(--space-xl) var(--space-xl);
        min-height: calc(100vh - 95px);
    }

    .signature-area {
        width: 100%;
        max-width: 450px;
        margin: 0 auto;
        padding: var(--space-xl) var(--space-xl) var(--space-lg);
    }

    .signature-image-wrapper {
        max-width: 240px;
    }

    .estate-header {
        padding: var(--space-lg);
        margin-bottom: var(--space-md);
    }

    .estate-title {
        letter-spacing: 5px;
        margin-bottom: var(--space-sm);
    }

    .chinese-contact {
        margin: var(--space-xl) auto;
        padding: 0;
    }

    /* PC端：联系方式横向排列 */
    .contact-item-large {
        flex-direction: row;
        justify-content: center;
        gap: var(--space-lg);
        margin-bottom: var(--space-md);
    }

    .contact-label-large {
        text-align: right;
        min-width: 80px;
    }

    .contact-value-large {
        text-align: left;
    }

    .memorial-year {
        margin: var(--space-lg) auto var(--space-xl);
    }

    .year-line {
        gap: var(--space-lg);
    }

    .line-left,
    .line-right {
        max-width: 150px;
    }

    .year-diff {
        margin: 0 var(--space-xs);
    }

    /* PC端联系页面页脚 */
    .page-footer {
        padding: var(--space-lg) var(--space-xl);
        min-height: 80px;
    }
}

/* ==================== iPad Pro等大屏竖版设备 (1024px-1366px 竖屏) ==================== */
@media screen and (min-width: 1024px) and (max-width: 1366px) and (max-aspect-ratio: 3/4) {
    #enter-page {
        background-color: #fff !important;
    }

    .enter-wrapper {
        position: relative !important;
        width: 100% !important;
        min-height: 100vh !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: flex-start !important;
        padding: 0 !important;
        overflow: visible !important;
        background-color: #fff !important;
    }

    .enter-image-area {
        position: absolute !important;
        top: 10% !important;
        left: 0 !important;
        width: 100% !important;
        height: 50vh !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        overflow: hidden !important;
        cursor: pointer !important;
        z-index: 1 !important;
        background-color: transparent !important;
    }

    .enter-image-area img {
        width: auto !important;
        height: auto !important;
        max-width: 100% !important;
        max-height: 100% !important;
        object-fit: contain !important;
        object-position: center !important;
        display: block !important;
        opacity: 1 !important;
    }

    .enter-action-section {
        position: absolute !important;
        bottom: 32% !important;
        left: 0 !important;
        width: 100% !important;
        padding: 15px 30px !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        background-color: #fff !important;
        cursor: pointer !important;
        z-index: 2 !important;
        margin-bottom: 0 !important;
    }

    .enter-divider {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 18px !important;
        margin-bottom: 10px !important;
        width: 100% !important;
        max-width: 320px !important;
    }

    .divider-line {
        flex: 1 !important;
        height: 1px !important;
        background: linear-gradient(to right, transparent, #c0c0c0, transparent) !important;
    }

    .divider-icon {
        font-size: 14px !important;
        color: #a0a0a0 !important;
        opacity: 0.8 !important;
    }

    .enter-button {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        gap: 6px !important;
        padding: 12px 50px !important;
        background: transparent !important;
        border: none !important;
        cursor: pointer !important;
        transition: all 0.3s ease !important;
        position: relative !important;
    }

    .enter-button::after {
        content: '' !important;
        position: absolute !important;
        bottom: 0 !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
        width: 55px !important;
        height: 1px !important;
        background-color: #5a9a9a !important;
        transition: all 0.3s ease !important;
        opacity: 0.6 !important;
    }

    .enter-text-cn {
        font-family: 'Times New Roman', 'PingFang SC', serif !important;
        font-size: 24px !important;
        font-weight: 400 !important;
        color: #5a9a9a !important;
        letter-spacing: 9px !important;
        transition: all 0.3s ease !important;
    }

    .enter-text-en {
        font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif !important;
        font-size: 12px !important;
        color: rgba(90, 154, 154, 0.7) !important;
        letter-spacing: 4px !important;
        text-transform: uppercase !important;
        display: block !important;
    }

    /* iPad Pro竖版页脚 */
    .page-container:has(#enter-page.active)+.page-footer {
        position: relative !important;
        background-color: transparent !important;
        border-top: none !important;
        padding: var(--space-md) var(--space-md) !important;
        min-height: 70px !important;
    }

    .page-container:has(#enter-page.active)+.page-footer .copyright {
        font-size: 12px !important;
        color: #777 !important;
    }

    .page-container:has(#enter-page.active)+.page-footer .icp {
        font-size: 12px !important;
        color: #888 !important;
    }

    .page-container:has(#enter-page.active)+.page-footer .icp a {
        color: #5a9a9a !important;
        text-decoration: none !important;
        transition: color 0.3s ease !important;
    }

    .page-container:has(#enter-page.active)+.page-footer .icp a:hover {
        color: #7ababa !important;
        text-decoration: underline !important;
    }
}

/* ==================== Large断点 (>= 1440px) ==================== */
@media screen and (min-width: 1440px) {
    :root {
        --font-size-title: 26px;
        --font-size-subtitle: 14px;
        --font-size-contact-value: 17px;
        --font-size-year: 80px;
        --font-size-year-mark: 30px;
        --font-size-enter: 30px;
    }

    .enter-image-area {
        max-width: none;
    }

    .enter-action-section {
        margin-bottom: 40px;
    }

    .signature-area {
        width: 100%;
        max-width: 500px;
        margin: 0 auto;
    }

    .signature-image-wrapper {
        max-width: 100%;
    }

    .line-left,
    .line-right {
        max-width: 200px;
    }
}

/* ==================== 打印样式 ==================== */
@media print {

    .enter-action-section,
    .memorial-year {
        display: none !important;
    }

    .page {
        position: relative;
        opacity: 1;
        visibility: visible;
    }

    #contact-page {
        page-break-before: always;
    }
}

/* ==================== 减少动画偏好 ==================== */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}