/* ========== CSS变量定义 ========== */
:root {
    --primary-color: #e50914;
    --text-color: #222222;
    --bg-color: #ffffff;
    --secondary-bg: #f5f5f5;
    --border-color: #e0e0e0;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --hover-shadow: rgba(229, 9, 20, 0.3);
    --font-heading: 'Noto Serif SC', 'Georgia', 'STSong', serif;
    --font-body: 'Microsoft YaHei', 'Segoe UI', sans-serif;
}

/* ========== 基础样式重置 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-body);
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(ellipse at 20% 50%, rgba(229, 9, 20, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(229, 9, 20, 0.02) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(0, 0, 0, 0.01) 0%, transparent 50%);
    color: var(--text-color);
    line-height: 1.8;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ========== 导航栏 ========== */
nav {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 0.8rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
    margin: 0;
    border-bottom: 1px solid rgba(229, 9, 20, 0.06);
    height: 64px;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--primary-color);
    letter-spacing: 0.05em;
    transition: opacity 0.3s;
}

.logo:hover {
    opacity: 0.8;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 1.5rem;
}

.nav-links a {
    color: #666;
    text-decoration: none;
    transition: all 0.4s ease;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 4px;
    font-size: 0.9rem;
    letter-spacing: 0.03em;
}

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

.nav-links a.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    border-radius: 0;
    background: transparent;
}

/* ========== 主要内容区域 ========== */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 3rem 2rem;
    flex: 1;
    width: 100%;
}

/* ========== 页面标题 ========== */
.page-title {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 600;
    margin-bottom: 0.6rem;
    color: var(--text-color);
    letter-spacing: 0.08em;
    text-align: center;
}

/* ========== 页面副标题 ========== */
.page-subtitle {
    font-size: 1.1rem;
    color: #888;
    margin-bottom: 1.5rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-align: center;
    font-family: var(--font-heading);
}

/* ========== 页面介绍文案 ========== */
.page-intro {
    font-size: 1rem;
    color: #777;
    margin-bottom: 3rem;
    max-width: 600px;
    line-height: 2;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    font-style: italic;
    font-family: var(--font-heading);
    font-weight: 400;
}

/* ========== 页面切换 ========== */
.page {
    display: none;
}

.page.active {
    display: block;
}

/* ========== 关于页面样式 ========== */
.about-content {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.about-content h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--primary-color);
    margin: 2rem 0 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
}

.about-content h3:first-child {
    margin-top: 0;
}

.about-section {
    margin-bottom: 3rem;
}

.about-section-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(229, 9, 20, 0.15);
    display: inline-block;
    font-weight: 600;
    letter-spacing: 0.08em;
}

/* ========== 精选回忆区域 ========== */
.album-highlight-section {
    margin-bottom: 3rem;
    padding: 1rem 0 0;
}

.highlight-header {
    max-width: 600px;
    margin: 0 auto 2rem;
    text-align: center;
}

.highlight-header h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
}

.highlight-header p {
    color: #777;
    line-height: 2;
    font-size: 0.95rem;
    font-style: italic;
    font-family: var(--font-heading);
    font-weight: 400;
}

.album-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(120px, 1fr));
    gap: 1.2rem;
    margin-bottom: 2rem;
}

.metric-card {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(229, 9, 20, 0.08);
    border-radius: 16px;
    padding: 1.5rem 1.2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    text-align: center;
    transition: transform 0.3s ease;
}

.metric-card:hover {
    transform: translateY(-2px);
}

.metric-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.3rem;
}

.metric-card p {
    margin: 0;
    color: #888;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

@media (max-width: 768px) {
    .album-metrics {
        grid-template-columns: repeat(2, minmax(120px, 1fr));
    }
}

@media (max-width: 600px) {
    .album-metrics {
        grid-template-columns: 1fr;
    }
}

.about-intro-text {
    font-size: 1rem;
    line-height: 2;
    color: #555;
    margin-bottom: 1rem;
    text-align: justify;
    font-weight: 500;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.feature-list li {
    font-size: 1rem;
    line-height: 2.2;
    color: #555;
    padding-left: 0;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    padding-bottom: 0.5rem;
    font-weight: 500;
}

.feature-list li:last-child {
    border-bottom: none;
}

/* ========== 动态页样式 ========== */
.feed-page {
    padding-top: 1rem;
}

.feed-intro {
    max-width: 600px;
    margin: 0 auto 2.5rem;
    text-align: center;
}

.feed-intro p {
    color: #777;
    line-height: 2;
    font-style: italic;
    font-family: var(--font-heading);
    font-weight: 400;
}

.feed-list {
    columns: 2;
    column-gap: 1.5rem;
}

.feed-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.04);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.04);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    break-inside: avoid;
    margin-bottom: 1.5rem;
    display: inline-block;
    width: 100%;
}

.feed-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.feed-header {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 1.5rem 1.5rem 1rem;
}

.feed-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary-color);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 400;
    font-size: 0.9rem;
    flex-shrink: 0;
    font-family: var(--font-heading);
}

.feed-author {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.feed-author-name {
    margin: 0;
    color: var(--text-color);
    font-weight: 600;
    font-size: 0.95rem;
}

.feed-meta {
    font-size: 0.8rem;
    color: #999;
    letter-spacing: 0.02em;
}

.feed-content {
    padding: 0 1.5rem 1.5rem;
    color: #555;
    line-height: 1.9;
    font-size: 0.95rem;
    font-weight: 500;
}

.feed-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.feed-tag {
    background: rgba(229, 9, 20, 0.06);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-size: 0.8rem;
    letter-spacing: 0.03em;
}

/* ========== 动态多媒体样式 ========== */
.feed-media-wrap {
    margin-top: 1rem;
}

.feed-media-grid {
    display: grid;
    gap: 4px;
    border-radius: 12px;
    overflow: hidden;
}

.feed-media-count-1 {
    grid-template-columns: 1fr;
}

.feed-media-count-2 {
    grid-template-columns: 1fr 1fr;
}

.feed-media-count-3 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
}
.feed-media-count-3 .feed-media-item:first-child {
    grid-column: 1 / -1;
}

.feed-media-count-4,
.feed-media-count-5,
.feed-media-count-6,
.feed-media-count-7,
.feed-media-count-8,
.feed-media-count-9 {
    grid-template-columns: 1fr 1fr 1fr;
}

.feed-media-item {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1;
    background: #f5f5f5;
}

.feed-media-count-1 .feed-media-item {
    aspect-ratio: auto;
}

.feed-media-count-2 .feed-media-item {
    aspect-ratio: 4/3;
}

.feed-media-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.feed-media-img:hover {
    transform: scale(1.03);
}

.feed-media-video {
    margin-top: 8px;
    border-radius: 12px;
    overflow: hidden;
}

.feed-media-video video {
    width: 100%;
    max-height: 400px;
    display: block;
    background: #000;
    border-radius: 12px;
}

/* 兼容旧的 .feed-media 类 */
.feed-media {
    width: 100%;
    max-height: 300px;
    object-fit: cover;
    display: block;
    margin-top: 1rem;
    border-radius: 12px;
}

/* ========== 图片灯箱 ========== */
.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    cursor: pointer;
}

.lightbox-overlay.active {
    opacity: 1;
}

.lightbox-overlay img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 60px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.lightbox-overlay.active img {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
    background: none;
    border: none;
    line-height: 1;
}

.lightbox-close:hover {
    opacity: 1;
}

.feed-actions {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 1.5rem;
    padding: 1rem 1.5rem 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.04);
}

.feed-action {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: #aaa;
    font-size: 0.85rem;
}

.feed-action span {
    font-weight: 600;
    color: #888;
}

@media (max-width: 768px) {
    .feed-list {
        columns: 1;
    }
}

/* ========== 联系方式卡片 ========== */
.contact-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
}

@media (max-width: 600px) {
    .contact-list {
        grid-template-columns: 1fr;
    }
}

.contact-item {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 1.2rem;
    border-left: 3px solid rgba(229, 9, 20, 0.3);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.contact-icon {
    font-size: 1.3rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(229, 9, 20, 0.04);
    flex-shrink: 0;
}

.contact-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--primary-color);
    letter-spacing: 0.03em;
}

.contact-value {
    font-size: 0.95rem;
    color: var(--text-color);
    font-weight: 400;
    text-decoration: none;
    transition: color 0.2s;
    word-break: break-all;
}

.contact-value:hover {
    color: var(--primary-color);
}

.contact-item--accent {
    background: rgba(255, 248, 248, 0.8);
    border-left: none;
    padding: 1.2rem;
}

.contact-item--accent .contact-label {
    color: var(--primary-color);
}

/* ========== 浮动联系按钮（FAB） ========== */
.fab {
    position: fixed;
    right: 24px;
    bottom: 28px;
    z-index: 1200;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
}

.fab-button {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: none;
    background: var(--primary-color);
    color: #fff;
    font-size: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(229, 9, 20, 0.3);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.fab-button:hover {
    transform: scale(1.05);
}

.fab-panel {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transform-origin: bottom right;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px) scale(0.98);
    transition: all 200ms ease;
    min-width: 180px;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.fab.open .fab-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.fab-actions {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.fab-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 12px;
    border-radius: 10px;
    border: none;
    background: transparent;
    color: var(--text-color);
    text-decoration: none;
    font-weight: 400;
    cursor: pointer;
    transition: background 0.2s;
    font-size: 0.9rem;
}

.fab-action:hover {
    background: rgba(229, 9, 20, 0.06);
}

.fab-close {
    margin-top: 6px;
    background: transparent;
    border: none;
    font-size: 16px;
    color: #ccc;
    cursor: pointer;
    transition: color 0.2s;
}

.fab-close:hover {
    color: #999;
}

@media (max-width: 600px) {
    .fab { right: 14px; bottom: 20px; }
    .fab-button { width: 46px; height: 46px; font-size: 16px; }
}

/* ========== 合并联系卡片样式 ========== */
.contact-card {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.04);
    border-radius: 16px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 1rem;
}

.contact-card-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px;
    border-radius: 12px;
    transition: background 0.2s;
}

.contact-card-row:hover {
    background: rgba(229, 9, 20, 0.03);
}

.contact-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(229, 9, 20, 0.05);
    font-size: 18px;
    flex-shrink: 0;
}

.contact-meta {
    flex: 1 1 auto;
}

.contact-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--primary-color);
    letter-spacing: 0.03em;
}

.contact-value {
    font-size: 0.95rem;
    color: var(--text-color);
    font-weight: 400;
    margin-top: 2px;
}

.contact-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

/* 复制按钮样式 */
.copy-btn {
    padding: 6px 12px;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-weight: 400;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.2s;
    font-size: 0.85rem;
    font-family: var(--font-body);
}

.copy-btn:active { transform: translateY(1px); }
.copy-btn[disabled] { opacity: 0.6; cursor: default; }

@media (max-width: 600px) {
    .contact-card-row { gap: 10px; }
    .contact-actions { gap: 6px; }
}

/* ========== 链接卡片 ========== */
.links-grid--alt .link-card {
    border: 1px solid rgba(0, 0, 0, 0.04);
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
}

.link-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.8rem;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 1.5rem;
    text-decoration: none;
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 0, 0, 0.04);
    color: var(--text-color);
}

.link-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(229, 9, 20, 0.08);
}

.link-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 0.75rem;
}

.link-name {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    letter-spacing: 0.03em;
}

.link-desc {
    display: block;
    color: #888;
    font-size: 0.9rem;
    line-height: 1.8;
}

.link-status {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 68px;
    padding: 0.3rem 0.7rem;
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.03em;
}

.status-online {
    background-color: rgba(30, 164, 104, 0.1);
    color: #1ea468;
}

.status-offline {
    background-color: rgba(229, 9, 20, 0.08);
    color: #c70010;
}

.status-loading {
    background-color: rgba(255, 184, 0, 0.1);
    color: #c47f00;
}

.status-online::before,
.status-offline::before,
.status-loading::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    margin-right: 0.4rem;
}

.status-online::before {
    background: #1ea468;
}

.status-offline::before {
    background: #c70010;
}

.status-loading::before {
    background: #c47f00;
}

/* ========== 其他网站导航 ========== */
.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.2rem;
    margin-top: 1.5rem;
}

.link-card-1 {
    border-left: 3px solid rgba(74, 144, 226, 0.4);
}

.link-card-1:hover {
    box-shadow: 0 12px 28px rgba(74, 144, 226, 0.1);
}

.link-card-2 {
    border-left: 3px solid rgba(225, 48, 108, 0.4);
}

.link-card-2:hover {
    box-shadow: 0 12px 28px rgba(225, 48, 108, 0.1);
}

.link-card-3 {
    border-left: 3px solid rgba(36, 41, 46, 0.4);
}

.link-card-3:hover {
    box-shadow: 0 12px 28px rgba(36, 41, 46, 0.1);
}

.link-card-4 {
    border-left: 3px solid rgba(43, 162, 69, 0.4);
}

.link-card-4:hover {
    box-shadow: 0 12px 28px rgba(43, 162, 69, 0.1);
}

/* ========== 关于页面响应式 ========== */
@media (max-width: 768px) {
    .about-section {
        margin-bottom: 2.5rem;
    }

    .about-section-title {
        font-size: 1.5rem;
        margin-bottom: 1.2rem;
        padding-bottom: 0.8rem;
    }

    .about-content {
        padding: 1.5rem;
    }

    .about-content h3 {
        font-size: 1.1rem;
        margin-top: 1.5rem;
    }

    .about-intro-text {
        font-size: 0.95rem;
    }

    .feature-list li {
        font-size: 0.95rem;
        line-height: 2;
        margin-bottom: 0.4rem;
    }

    .contact-list {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1rem;
    }

    .contact-item {
        padding: 1.2rem;
    }

    .links-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 1rem;
    }

    .link-card {
        padding: 1.2rem;
    }

    .link-name {
        font-size: 1rem;
    }

    .link-desc {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .about-section {
        margin-bottom: 2rem;
    }

    .about-section-title {
        font-size: 1.3rem;
    }

    .about-content {
        padding: 1.2rem;
    }

    .about-intro-text {
        font-size: 0.9rem;
        line-height: 1.8;
        text-align: left;
    }

    .feature-list li {
        font-size: 0.9rem;
    }

    .contact-list {
        grid-template-columns: 1fr;
    }

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

    .link-card {
        padding: 1rem;
        gap: 0.6rem;
    }

    .link-desc {
        font-size: 0.8rem;
        display: none;
    }
}

/* ========== 底部备案信息 ========== */
footer {
    background: transparent;
    color: #aaa;
    text-align: center;
    padding: 2rem 0.75rem;
    margin-top: auto;
    font-size: 0.85rem;
    border-top: 1px solid rgba(0, 0, 0, 0.04);
    width: 100%;
    flex-shrink: 0;
}

footer .footer-content {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 0 1rem;
}

footer .footer-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
}

footer .footer-row p {
    margin: 0;
    color: #aaa;
}

footer .footer-row p:first-child {
    color: #999;
}

footer .icp-info {
    font-size: 0.78rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    background: rgba(229, 9, 20, 0.04);
    border: 1px solid rgba(229, 9, 20, 0.08);
    border-radius: 4px;
    color: #999;
}

footer .icp-info::before {
    content: "备案";
    display: inline-block;
    margin-right: 0.4rem;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.05em;
}

footer .icp-info a {
    color: inherit !important;
    text-decoration: none;
    border-bottom: 1px dotted rgba(229, 9, 20, 0.3);
}

footer .icp-info a:hover {
    color: var(--primary-color);
    border-bottom-style: solid;
}

/* ========== 响应式设计 ========== */
@media (max-width: 992px) {
    .container {
        padding: 2rem 1.5rem;
    }

    nav {
        padding: 0.7rem 1.2rem;
    }

    .nav-links a {
        font-size: 0.85rem;
        padding: 5px 10px;
    }
}

@media (max-width: 768px) {
    nav {
        padding: 0.6rem 1rem;
        height: auto;
        min-height: 54px;
    }

    .nav-container {
        flex-direction: row;
        padding: 0;
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
    }

    .logo {
        font-size: 1.2rem;
        flex-shrink: 0;
    }

    .nav-links {
        margin: 0;
        gap: 0.4rem;
        flex-wrap: wrap;
        justify-content: flex-end;
        flex: 1;
    }

    .nav-links li {
        margin: 0;
    }

    .nav-links a {
        font-size: 0.85rem;
        padding: 5px 10px;
    }

    .container {
        padding: 1.5rem 1rem;
    }

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

    .page-subtitle {
        font-size: 1rem;
    }

    .page-intro {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    nav {
        padding: 0.5rem 0.8rem;
        min-height: 48px;
    }

    .nav-container {
        gap: 0.6rem;
    }

    .logo {
        font-size: 1rem;
        flex-shrink: 0;
    }

    .nav-links {
        gap: 0.3rem;
    }

    .nav-links li {
        margin: 0;
    }

    .nav-links a {
        font-size: 0.8rem;
        padding: 4px 8px;
    }

    .container {
        padding: 1.2rem 0.8rem;
    }

    .page-title {
        font-size: 1.6rem;
        margin-bottom: 0.3rem;
    }

    .page-subtitle {
        font-size: 0.9rem;
        margin-bottom: 0.8rem;
    }

    .page-intro {
        font-size: 0.85rem;
        margin-bottom: 1.5rem;
    }

    footer {
        padding: 1.5rem 0.8rem;
        font-size: 0.8rem;
    }

    footer .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 0.6rem 0.8rem;
        gap: 0.4rem;
    }

    footer .footer-row {
        flex-direction: column;
        gap: 0.3rem;
        justify-content: center;
        align-items: center;
    }

    footer .icp-info {
        font-size: 0.72rem;
        padding: 0.5rem 0.8rem;
        width: 100%;
        max-width: 420px;
    }

    footer .icp-info a {
        word-break: break-word;
        white-space: normal;
        display: inline-block;
        max-width: 100%;
    }
}

/* ========================================================
   照片展示 - Hero + 画廊 + 故事卡片
   ======================================================== */

/* ========== Section 通用头部 ========== */
.section-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
    letter-spacing: 0.08em;
}

.section-header p {
    color: #999;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    font-family: var(--font-heading);
}

/* ========== Hero 精选区域 ========== */
.highlight-hero {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.hero-main {
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    cursor: pointer;
}

.hero-img-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 2.5 / 1;
    overflow: hidden;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-main:hover .hero-img {
    transform: scale(1.03);
}

.hero-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.2) 60%, transparent 100%);
    color: white;
}

.hero-badge {
    display: inline-block;
    background: rgba(229, 9, 20, 0.8);
    color: white;
    padding: 3px 14px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: 0.1em;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 10px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
    letter-spacing: 0.05em;
}

.hero-desc {
    font-size: 0.95rem;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 12px;
    text-shadow: 0 1px 4px rgba(0,0,0,0.3);
    font-weight: 500;
}

.hero-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.85rem;
    opacity: 0.8;
    letter-spacing: 0.03em;
}

/* Hero 侧边小图 */
.hero-side {
    display: flex;
    gap: 0.8rem;
    overflow-x: auto;
    padding-bottom: 4px;
}

.hero-side::-webkit-scrollbar {
    height: 4px;
}

.hero-side::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 2px;
}

.hero-side-card {
    flex: 0 0 200px;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: transform 0.4s, box-shadow 0.4s;
    cursor: pointer;
    aspect-ratio: 16 / 10;
}

.hero-side-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
}

.hero-side-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s;
}

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

.hero-side-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.2rem;
    background: linear-gradient(to top, rgba(0,0,0,0.65) 0%, transparent 100%);
    color: white;
}

.hero-side-info h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 3px;
    text-shadow: 0 1px 4px rgba(0,0,0,0.3);
    letter-spacing: 0.03em;
}

.hero-side-loc {
    font-size: 0.78rem;
    opacity: 0.8;
    letter-spacing: 0.03em;
}

/* ========== 照片画廊（瀑布流网格） ========== */
.gallery-section {
    margin-bottom: 3.5rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.gallery-item {
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: transform 0.4s, box-shadow 0.4s;
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

/* 宽卡片横跨2列 */
.gallery-item--wide {
    grid-column: span 2;
}

.gallery-img-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--secondary-bg);
}

.gallery-item--wide .gallery-img-wrap {
    aspect-ratio: 16 / 9;
}

.gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s;
}

.gallery-item:hover .gallery-img {
    transform: scale(1.06);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.2rem;
    background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 100%);
    color: white;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
    transform: translateY(0);
}

.gallery-title {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 3px;
    letter-spacing: 0.03em;
}

.gallery-location {
    font-size: 0.78rem;
    opacity: 0.8;
}

/* ========== 时间轴故事卡片（全宽） ========== */
.timeline-section {
    margin-bottom: 3.5rem;
}

.timeline-cards {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.story-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: transform 0.4s, box-shadow 0.4s;
    cursor: pointer;
}

.story-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

/* 偶数项反转：图片在右 */
.story-card--reverse {
    direction: rtl;
}

.story-card--reverse > * {
    direction: ltr;
}

.story-img-wrap {
    position: relative;
    overflow: hidden;
    height: 320px;
}

.story-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.story-card:hover .story-img {
    transform: scale(1.04);
}

.story-content {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: rgba(249, 249, 249, 0.5);
}

.story-date-badge {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.2rem;
    font-size: 0.85rem;
    color: var(--primary-color);
    font-weight: 600;
    letter-spacing: 0.05em;
}

.story-loc {
    color: #aaa;
    font-weight: 500;
}

.story-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
    line-height: 1.4;
}

.story-desc {
    font-size: 0.95rem;
    color: #555;
    margin-bottom: 1rem;
    line-height: 1.8;
    font-weight: 500;
}

.story-text {
    font-size: 0.9rem;
    color: #888;
    line-height: 2;
    font-style: italic;
    font-family: var(--font-heading);
    border-left: 2px solid rgba(229, 9, 20, 0.2);
    padding-left: 1rem;
}

/* ========== 响应式 - 平板 ========== */
@media (max-width: 1024px) {
    .hero-img-wrap {
        aspect-ratio: 2 / 1;
    }

    .hero-side-card {
        flex: 0 0 180px;
    }

    .story-content {
        padding: 2rem;
    }
}

/* ========== 响应式 - 移动端 ========== */
@media (max-width: 768px) {
    .hero-img-wrap {
        aspect-ratio: 16 / 9;
    }

    .hero-side-card {
        flex: 0 0 160px;
    }

    .story-card,
    .story-card--reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }

    .story-card--reverse > * {
        direction: ltr;
    }

    .story-img-wrap {
        height: 220px;
    }

    .story-content {
        padding: 1.8rem;
    }

    .story-title {
        font-size: 1.3rem;
    }

    .hero-title {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr 1fr;
        gap: 6px;
    }

    .gallery-item {
        border-radius: 8px;
    }

    .gallery-item--wide {
        grid-column: span 2;
    }
}

/* ========== 照片详情模态框 ========== */
.photo-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 10000;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.photo-modal.active {
    display: flex;
}

.photo-modal-content {
    background: #fff;
    border-radius: 16px;
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.photo-modal-close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    font-size: 2rem;
    color: #666;
    cursor: pointer;
    z-index: 1;
    line-height: 1;
    padding: 0;
    transition: color 0.2s;
}

.photo-modal-close:hover {
    color: var(--primary-color);
}

.photo-modal-img-wrap {
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    border-radius: 16px 16px 0 0;
}

.photo-modal-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-modal-body {
    padding: 2rem;
}

.photo-modal-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.photo-modal-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.9rem;
    color: #888;
    margin-bottom: 1.2rem;
    font-family: var(--font-heading);
}

.photo-modal-desc {
    font-size: 1rem;
    color: #555;
    line-height: 1.8;
    margin-bottom: 1rem;
    font-weight: 500;
}

.photo-modal-story {
    font-size: 0.95rem;
    color: #888;
    line-height: 2;
    font-style: italic;
    font-family: var(--font-heading);
    border-left: 2px solid rgba(229, 9, 20, 0.2);
    padding-left: 1rem;
    margin: 0;
}

/* 模态框响应式 */
@media (max-width: 768px) {
    .photo-modal {
        padding: 1rem;
    }

    .photo-modal-content {
        border-radius: 12px;
        max-height: 85vh;
    }

    .photo-modal-img-wrap {
        border-radius: 12px 12px 0 0;
    }

    .photo-modal-body {
        padding: 1.5rem;
    }

    .photo-modal-title {
        font-size: 1.3rem;
    }

    .photo-modal-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* ========== 动态交互功能样式 ========== */

/* 点赞和评论按钮 */
.feed-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: #aaa;
    font-size: 0.85rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    transition: all 0.3s ease;
    font-family: var(--font-body);
}

.feed-action-btn:hover {
    background: rgba(229, 9, 20, 0.05);
    color: #666;
}

.feed-action-btn span {
    font-weight: 600;
    color: #888;
}

/* 点赞按钮已点赞状态 */
.like-btn.liked {
    color: var(--primary-color);
}

.like-btn.liked span {
    color: var(--primary-color);
}

.like-btn.liked:hover {
    background: rgba(229, 9, 20, 0.1);
}

/* 点赞动画 */
.like-btn.like-animation {
    animation: likeScale 0.6s ease;
}

@keyframes likeScale {
    0% { transform: scale(1); }
    25% { transform: scale(1.3); }
    50% { transform: scale(0.9); }
    75% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* 加载状态 */
.like-btn.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* ========== 留言墙样式 - 便签纸风格 ========== */
.guestbook-page {
    padding-top: 1rem;
}

.guestbook-intro {
    max-width: 600px;
    margin: 0 auto 2rem;
    text-align: center;
}

.guestbook-intro p {
    color: #777;
    line-height: 2;
    font-style: italic;
    font-family: var(--font-heading);
    font-weight: 400;
}

/* 写留言按钮区域 */
.guestbook-write-area {
    text-align: center;
    margin-bottom: 2.5rem;
}

.write-note-btn {
    padding: 0.8rem 2rem;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-body);
    box-shadow: 0 4px 15px rgba(229, 9, 20, 0.3);
}

.write-note-btn:hover {
    background: #c4070f;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(229, 9, 20, 0.4);
}

/* 弹窗遮罩 */
.note-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

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

/* 弹窗 */
.note-modal {
    background: #fff9c4;
    border-radius: 4px;
    padding: 2rem;
    width: 90%;
    max-width: 420px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    position: relative;
    animation: slideUp 0.3s ease;
    border-bottom: 4px solid #f9e558;
}

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

.note-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.note-modal-header h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: #333;
    margin: 0;
    font-weight: 500;
}

.note-modal-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: #999;
    cursor: pointer;
    padding: 0.3rem;
    transition: color 0.3s;
}

.note-modal-close:hover {
    color: #333;
}

/* 表单样式 */
.note-form-row {
    margin-bottom: 1rem;
}

.note-form-group {
    margin-bottom: 1rem;
}

.note-form-group label {
    display: block;
    font-size: 0.85rem;
    color: #666;
    margin-bottom: 0.4rem;
    font-weight: 500;
}

.note-form-group input,
.note-form-group textarea {
    width: 100%;
    padding: 0.7rem 0.8rem;
    border: none;
    border-bottom: 2px dashed rgba(0, 0, 0, 0.15);
    border-radius: 0;
    font-size: 0.95rem;
    font-family: var(--font-body);
    background: transparent;
    transition: border-color 0.3s;
}

.note-form-group input:focus,
.note-form-group textarea:focus {
    outline: none;
    border-bottom-color: rgba(0, 0, 0, 0.4);
}

.note-form-group textarea {
    resize: none;
    min-height: 80px;
    line-height: 1.8;
    background-image: repeating-linear-gradient(
        transparent,
        transparent 27px,
        rgba(0, 0, 0, 0.05) 27px,
        rgba(0, 0, 0, 0.05) 28px
    );
    background-position-y: 2px;
}

.note-char-count {
    display: block;
    text-align: right;
    font-size: 0.75rem;
    color: #999;
    margin-top: 0.3rem;
}

.note-form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.8rem;
    margin-top: 1.5rem;
}

.note-cancel-btn {
    padding: 0.5rem 1.2rem;
    background: transparent;
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: 6px;
    font-size: 0.9rem;
    color: #666;
    cursor: pointer;
    transition: all 0.3s;
    font-family: var(--font-body);
}

.note-cancel-btn:hover {
    background: rgba(0, 0, 0, 0.05);
}

.note-submit-btn {
    padding: 0.5rem 1.5rem;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    font-family: var(--font-body);
}

.note-submit-btn:hover:not(:disabled) {
    background: #c4070f;
    transform: translateY(-1px);
}

.note-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* 墙壁容器 */
.wall-container {
    position: relative;
    min-height: 300px;
}

.wall {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
    padding: 1rem;
}

.wall-empty {
    text-align: center;
    color: #999;
    font-size: 1rem;
    padding: 4rem 2rem;
    font-style: italic;
    font-family: var(--font-heading);
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(0, 0, 0, 0.01) 10px,
        rgba(0, 0, 0, 0.01) 20px
    );
    border-radius: 12px;
    border: 2px dashed rgba(0, 0, 0, 0.08);
}

/* 便签纸 */
.sticky-note {
    padding: 1.2rem;
    border-radius: 2px;
    border-bottom: 4px solid;
    box-shadow:
        2px 2px 8px rgba(0, 0, 0, 0.1),
        0 0 3px rgba(0, 0, 0, 0.05);
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: noteAppear 0.4s ease both;
    cursor: default;
    min-height: 120px;
    display: flex;
    flex-direction: column;
}

@keyframes noteAppear {
    from {
        opacity: 0;
        transform: scale(0.8) rotate(0deg);
    }
    to {
        opacity: 1;
    }
}

.sticky-note::before {
    content: '';
    position: absolute;
    top: -3px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 8px;
    background: rgba(0, 0, 0, 0.08);
    border-radius: 0 0 3px 3px;
}

.sticky-note:hover {
    transform: scale(1.05) rotate(0deg) !important;
    box-shadow:
        4px 4px 16px rgba(0, 0, 0, 0.15),
        0 0 5px rgba(0, 0, 0, 0.08);
    z-index: 10;
}

/* 便签操作按钮 */
.note-actions {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.3s;
}

.sticky-note:hover .note-actions {
    opacity: 1;
}

.note-edit-btn,
.note-delete-btn {
    background: rgba(255, 255, 255, 0.8);
    border: none;
    border-radius: 4px;
    width: 28px;
    height: 28px;
    font-size: 0.8rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    padding: 0;
}

.note-edit-btn:hover {
    background: rgba(255, 255, 255, 1);
    transform: scale(1.1);
}

.note-delete-btn:hover {
    background: rgba(255, 80, 80, 0.2);
    transform: scale(1.1);
}

.sticky-note-content {
    font-size: 0.95rem;
    color: #333;
    line-height: 1.7;
    word-break: break-word;
    flex: 1;
    font-family: var(--font-heading);
    font-weight: 400;
}

.sticky-note-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-top: 0.8rem;
    padding-top: 0.6rem;
    border-top: 1px dashed rgba(0, 0, 0, 0.1);
}

.sticky-note-author {
    font-size: 0.8rem;
    color: rgba(0, 0, 0, 0.5);
    font-weight: 500;
}

.sticky-note-time {
    font-size: 0.7rem;
    color: rgba(0, 0, 0, 0.35);
}

/* 墙壁底部 */
.wall-footer {
    text-align: center;
    margin-top: 2rem;
    padding-bottom: 2rem;
}

.wall-count {
    color: #999;
    font-size: 0.9rem;
    font-style: italic;
    font-family: var(--font-heading);
    margin-bottom: 1rem;
}

.load-more-wall-btn {
    padding: 0.6rem 1.8rem;
    background: rgba(255, 255, 255, 0.8);
    border: 1px dashed rgba(0, 0, 0, 0.2);
    border-radius: 6px;
    font-size: 0.9rem;
    color: #666;
    cursor: pointer;
    transition: all 0.3s;
    font-family: var(--font-body);
}

.load-more-wall-btn:hover {
    background: rgba(229, 9, 20, 0.05);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.load-more-wall-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* 便签纸响应式 */
@media (max-width: 768px) {
    .wall {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        padding: 0.5rem;
    }
    
    .sticky-note {
        padding: 1rem;
        min-height: 100px;
    }
    
    .note-modal {
        width: 95%;
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .wall {
        grid-template-columns: 1fr;
    }
}

/* Toast 提示 */
.feed-toast {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 0.9rem;
    z-index: 10000;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
    backdrop-filter: blur(10px);
}

.feed-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* 评论区域响应式 */
@media (max-width: 768px) {
    .feed-comments-section {
        padding: 0.75rem 1rem 1rem;
    }
    
    .comment-form {
        padding: 0.75rem;
    }
    
    .comment-item {
        gap: 0.5rem;
    }
    
    .comment-avatar {
        width: 28px;
        height: 28px;
        font-size: 0.7rem;
    }
}