/* ========== 全局变量 ========== */
:root {
    --bg-color: #f5f3ef;
    --card-bg: rgba(255, 255, 255, 0.25);
    --card-border: rgba(255, 255, 255, 0.5);
    --text-primary: #2c2a26;
    --text-secondary: #6b6860;
    --accent: #b8956a;
    --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 8px 40px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 60px rgba(0, 0, 0, 0.12);
    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 28px;
    --font-serif: 'Georgia', 'Times New Roman', 'STSong', 'Songti SC', serif;
    --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --blur-amount: 20px;
    --modal-bg: rgba(255, 255, 255, 0.6);
    --modal-border: rgba(0, 0, 0, 0.04);
    --btn-bg: rgba(255, 255, 255, 0.3);
    --page-transition-speed: 0.4s;
}
body.dark {
    --bg-color: #1a1a1a;
    --card-bg: rgba(40, 40, 40, 0.35);
    --card-border: rgba(80, 80, 80, 0.2);
    --text-primary: #e8e6e1;
    --text-secondary: #b8b5ad;
    --accent: #c9a87c;
    --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 8px 40px rgba(0, 0, 0, 0.5);
    --modal-bg: rgba(30, 30, 30, 0.7);
    --modal-border: rgba(80, 80, 80, 0.15);
    --btn-bg: rgba(60, 60, 60, 0.4);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: var(--font-sans);
    min-height: 100vh;
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow-x: hidden;
    letter-spacing: 0.02em;
    -webkit-font-smoothing: antialiased;
}

/* ========== 背景 ========== */
.bg-image {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -3;
    opacity: 0;
    transition: opacity 1s ease;
}
.bg-image.loaded {
    opacity: 1;
}
.bg-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}
body.dark .bg-overlay {
    background: rgba(0, 0, 0, 0.25);
}

/* ========== 页面切换 ========== */
.page {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: opacity var(--page-transition-speed) ease,
        transform var(--page-transition-speed) ease;
    z-index: 1;
    pointer-events: auto;
    padding: 20px 20px 40px;
}
.page.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}
#landing-page.hidden {
    transform: scale(0.96);
}
#blog-page.hidden,
#article-page.hidden,
#archive-page.hidden,
#friendlinks-page.hidden,
#about-page.hidden,
#guestbook-page.hidden,
#org-page.hidden,
#messages-page.hidden,
#profile-page.hidden,
#custom-page.hidden {
    transform: translateY(16px);
}
#blog-page,
#article-page,
#archive-page,
#friendlinks-page,
#about-page,
#guestbook-page,
#org-page,
#messages-page,
#profile-page,
#custom-page {
    justify-content: flex-start;
    padding-top: 80px;
}

/* ========== 首页 ========== */
#landing-page {
    justify-content: center;
    text-align: center;
    cursor: pointer;
    padding: 20px;
    min-height: 100vh;
    position: relative;
}
.landing-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    animation: landingIn 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes landingIn {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}
.landing-badge {
    display: inline-block;
    padding: 4px 18px;
    border-radius: 40px;
    background: rgba(184, 149, 106, 0.12);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(184, 149, 106, 0.12);
}
.landing-title {
    font-family: var(--font-serif);
    font-size: clamp(2.8rem, 10vw, 5.5rem);
    font-weight: 300;
    color: var(--text-primary);
    line-height: 1.1;
    letter-spacing: 0.02em;
}
.landing-title .accent {
    color: var(--accent);
    font-weight: 400;
}
.landing-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary);
    opacity: 0.85;
    letter-spacing: 0.04em;
}
.landing-divider {
    width: 50px;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--accent), transparent);
    border-radius: 2px;
    margin: 4px 0 6px;
}
.landing-hint {
    margin-top: 12px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    opacity: 0.5;
    animation: hintPulse 3s ease-in-out infinite;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: opacity 0.3s;
}
.landing-hint:hover {
    opacity: 0.8;
}
@keyframes hintPulse {
    0%,
    100% {
        opacity: 0.4;
        transform: translateY(0);
    }
    50% {
        opacity: 0.8;
        transform: translateY(-3px);
    }
}

/* ========== 欢迎页搜索框 ========== */
.landing-search {
    margin-top: 24px;
    width: 100%;
    max-width: 480px;
}
.landing-search-box {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(12px);
    border-radius: 40px;
    padding: 4px 4px 4px 18px;
    border: 1px solid rgba(255,255,255,0.25);
    transition: all 0.3s ease;
}
.landing-search-box:focus-within {
    background: rgba(255,255,255,0.35);
    border-color: var(--accent);
    box-shadow: 0 4px 24px rgba(184,149,106,0.15);
}
.landing-search-box .material-icons {
    color: var(--text-secondary);
    font-size: 1.2rem;
    opacity: 0.6;
}
.landing-search-box input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    padding: 12px 0;
    font-size: 0.95rem;
    color: var(--text-primary);
    min-width: 120px;
}
.landing-search-box input::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}
.landing-search-box .btn {
    border-radius: 30px;
    padding: 8px 22px;
    background: var(--accent);
    color: #fff;
    border: none;
    font-weight: 500;
}
.landing-search-box .btn:hover {
    background: #a07d5a;
    transform: scale(1.02);
}
.landing-search-hint {
    font-size: 0.7rem;
    color: var(--text-secondary);
    opacity: 0.4;
    margin-top: 8px;
    letter-spacing: 0.04em;
}
body.dark .landing-search-box {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.08);
}
body.dark .landing-search-box:focus-within {
    background: rgba(255,255,255,0.15);
}

/* ========== 液态玻璃跟随鼠标 ========== */
#glass-pointer {
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px) brightness(1.15);
    -webkit-backdrop-filter: blur(10px) brightness(1.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15), inset 0 0 30px rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    will-change: transform;
    background-image: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0.03) 70%);
    display: none;
}
body.dark #glass-pointer {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4), inset 0 0 30px rgba(255, 255, 255, 0.08);
    background-image: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0.01) 70%);
}
@media (max-width: 768px) {
    #glass-pointer {
        width: 80px;
        height: 80px;
        backdrop-filter: blur(6px) brightness(1.1);
        -webkit-backdrop-filter: blur(6px) brightness(1.1);
    }
}

/* ========== 导航栏 ========== */
.glass-nav {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto 20px auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    flex-wrap: wrap;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    background: var(--card-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 12px;
    z-index: 40;
    transition: all 0.3s ease;
}
.glass-nav:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(255, 255, 255, 0.6);
}
.navbar-desktop .nav-left,
.navbar-desktop .nav-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.navbar-mobile {
    display: none;
}
.navbar-mobile .profile-btn {
    margin-right: auto;
}

.greeting {
    font-size: 0.85rem;
    color: var(--text-primary);
    font-family: var(--font-serif);
}
.greeting .device-info {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-left: 6px;
    opacity: 0.6;
}
.datetime-group {
    display: flex;
    align-items: center;
    gap: 6px;
}
.clock {
    font-family: 'SF Mono', 'Menlo', monospace;
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: rgba(0, 0, 0, 0.04);
    padding: 3px 10px;
    border-radius: 20px;
}
.date-display {
    font-size: 0.7rem;
    color: var(--text-secondary);
}
.user-badge {
    font-size: 0.75rem;
    color: var(--accent);
    padding: 3px 12px;
    border-radius: 30px;
    background: rgba(184, 149, 106, 0.1);
    border: 1px solid rgba(184, 149, 106, 0.15);
}

.profile-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 4px 14px 4px 6px;
    border-radius: 30px;
    background: var(--btn-bg);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
}
.profile-btn:hover {
    background: rgba(255, 255, 255, 0.5);
    box-shadow: var(--shadow-sm);
    transform: scale(1.02);
}
.profile-btn .avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    background: #e0dbd3;
}
.profile-btn .name {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
}

.profile-modal {
    position: fixed;
    top: 76px;
    left: 20px;
    z-index: 200;
    background: var(--modal-bg);
    backdrop-filter: blur(24px);
    border: 1px solid var(--modal-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    width: 260px;
    box-shadow: var(--shadow-md);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}
.profile-modal.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}
.profile-modal .avatar-lg {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 12px;
    display: block;
    background: #e0dbd3;
    border: 2px solid rgba(255, 255, 255, 0.2);
}
.profile-modal .name-lg {
    text-align: center;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}
.profile-modal .bio {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    text-align: center;
}

/* ========== 移动端菜单 ========== */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 300;
    backdrop-filter: blur(4px);
    transition: opacity 0.3s;
}
.mobile-menu-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}
.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100%;
    background: var(--modal-bg);
    backdrop-filter: blur(32px);
    border-left: 1px solid var(--modal-border);
    box-shadow: -4px 0 30px rgba(0, 0, 0, 0.1);
    z-index: 301;
    transform: translateX(0);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    padding: 24px 20px;
}
.mobile-menu.hidden {
    transform: translateX(100%);
}
.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.mobile-menu-body {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.mobile-menu-actions {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.mobile-menu .search-bar {
    display: flex;
    gap: 6px;
}
.mobile-menu .search-bar input {
    flex: 1;
}

/* ========== 文章卡片 ========== */
.cards-wrapper {
    width: 100%;
    max-width: 1200px;
}
.cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    width: 100%;
}
.article-card {
    background: var(--card-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: row;
    border: 1px solid var(--card-border);
    animation: cardIn 0.6s ease backwards;
}
.article-card:nth-child(1) { animation-delay: 0.05s; }
.article-card:nth-child(2) { animation-delay: 0.1s; }
.article-card:nth-child(3) { animation-delay: 0.15s; }
.article-card:nth-child(4) { animation-delay: 0.2s; }
@keyframes cardIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.article-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: rgba(184, 149, 106, 0.25);
}
.article-card:hover .card-cover { transform: scale(1.05); }
.card-cover-wrapper {
    position: relative;
    width: 160px;
    height: 160px;
    flex-shrink: 0;
    overflow: hidden;
}
.card-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}
.card-cover-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 40%;
    height: 100%;
    background: linear-gradient(to right, transparent 0%, var(--bg-color) 100%);
    pointer-events: none;
}
body.dark .card-cover-wrapper::after {
    background: linear-gradient(to right, transparent 0%, var(--bg-color) 100%);
}
.card-body {
    flex: 1;
    padding: 16px 18px 16px 12px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
}
body.dark .card-body {
    background: rgba(0, 0, 0, 0.1);
}
.article-card .card-title {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
    line-height: 1.3;
}
.article-card .card-excerpt {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.card-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 0.7rem;
    color: var(--text-secondary);
    align-items: center;
}
.card-tags {
    margin-top: 8px;
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}
.tag {
    background: rgba(184, 149, 106, 0.1);
    color: var(--accent);
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.65rem;
}
.like-btn {
    cursor: pointer;
    margin-left: auto;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color 0.3s;
}
.like-btn:hover { color: var(--accent); }
.like-btn.liked { color: #e74c3c; }

.empty-state {
    margin-top: 8vh;
    background: var(--card-bg);
    backdrop-filter: blur(8px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 50px 48px;
    text-align: center;
    color: var(--text-secondary);
    font-family: var(--font-serif);
    font-size: 1.1rem;
    line-height: 1.8;
    box-shadow: var(--shadow-sm);
}

/* ========== 文章详情 ========== */
.article-detail-container {
    width: 100%;
    max-width: 760px;
    margin: 0 auto;
    padding-bottom: 40px;
}
.article-detail-card {
    background: var(--card-bg);
    backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 32px 30px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}
.detail-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.3;
}
.detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding-bottom: 16px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--card-border);
    align-items: center;
}
.detail-meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.detail-content {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-primary);
    word-break: break-word;
}
.detail-content p { margin-bottom: 1.2em; }
.detail-content h2, .detail-content h3, .detail-content h4 {
    font-family: var(--font-serif);
    margin-top: 1.8em;
    margin-bottom: 0.6em;
    font-weight: 600;
}
.detail-content img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin: 20px 0;
    display: block;
    box-shadow: var(--shadow-sm);
}
.detail-content blockquote {
    border-left: 4px solid var(--accent);
    padding: 12px 18px;
    margin: 16px 0;
    background: rgba(184, 149, 106, 0.05);
    border-radius: 0 8px 8px 0;
    color: var(--text-secondary);
    font-style: italic;
}
.detail-content pre {
    position: relative;
    background: #f6f8fa;
    border-radius: 12px;
    padding: 20px 20px 16px 20px;
    overflow-x: auto;
    font-size: 0.85rem;
    line-height: 1.6;
    border: 1px solid rgba(0,0,0,0.04);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    margin: 1.2em 0;
}
body.dark .detail-content pre {
    background: #1e1e1e;
    border-color: rgba(255,255,255,0.06);
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.detail-content pre::before {
    content: '';
    position: absolute;
    top: 12px;
    left: 16px;
    width: 12px;
    height: 12px;
    background: #ff5f56;
    border-radius: 50%;
    box-shadow: 20px 0 0 #ffbd2e, 40px 0 0 #27c93f;
    z-index: 2;
}
.detail-content pre code {
    display: block;
    padding-top: 8px;
    font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
}
.detail-content code:not(pre code) {
    background: rgba(0,0,0,0.04);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.85em;
    color: #d63384;
    font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
}
body.dark .detail-content code:not(pre code) {
    background: rgba(255,255,255,0.06);
    color: #f08d49;
}
.copy-code-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(255,255,255,0.8);
    border: none;
    border-radius: 6px;
    padding: 4px 6px;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.3s;
    color: var(--text-primary);
    z-index: 3;
    line-height: 1;
}
.copy-code-btn:hover { opacity: 1; background: rgba(255,255,255,0.95); }
body.dark .copy-code-btn { background: rgba(0,0,0,0.5); color: #e8e6e1; }
body.dark .copy-code-btn:hover { background: rgba(0,0,0,0.7); }

.share-section {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    padding: 16px 20px;
    background: var(--card-bg);
    backdrop-filter: blur(var(--blur-amount));
    border-radius: var(--radius-md);
    border: 1px solid var(--card-border);
    margin-bottom: 20px;
}
.copyright-notice {
    padding: 16px 20px;
    background: var(--card-bg);
    backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 20px;
}

/* ========== 评论 ========== */
.comments-section {
    background: var(--card-bg);
    backdrop-filter: blur(var(--blur-amount));
    border-radius: var(--radius-lg);
    padding: 24px 22px;
    border: 1px solid var(--card-border);
}
.comments-section h4 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    margin-bottom: 16px;
}
.comment-item {
    padding: 16px 0;
    border-bottom: 1px solid var(--card-border);
    display: flex;
    gap: 14px;
}
.comment-item:last-child { border-bottom: none; }
.comment-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    background: #e0dbd3;
}
.comment-body { flex: 1; min-width: 0; }
.comment-author {
    font-weight: 600;
    color: var(--accent);
    font-size: 0.9rem;
}
.comment-time {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-left: 8px;
}
.comment-content {
    margin-top: 6px;
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.6;
}
.comment-actions { margin-top: 6px; display: flex; gap: 8px; }
.reply-btn { font-size: 0.7rem; padding: 2px 10px; }
.reply-box { margin-top: 8px; }
.reply-box textarea {
    width: 100%;
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid var(--card-border);
    background: rgba(0,0,0,0.02);
    color: var(--text-primary);
    font-size: 0.85rem;
    resize: vertical;
}

/* ========== 阅读控制 ========== */
.reading-controls {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px 0;
    margin: 16px 0 12px;
    border-top: 1px solid var(--card-border);
    border-bottom: 1px solid var(--card-border);
}
.reading-controls .control-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}
.reading-controls .btn {
    padding: 3px 12px;
    font-size: 0.75rem;
    border-radius: 20px;
    border: 1px solid rgba(0,0,0,0.05);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}
.reading-controls .btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.reading-controls .btn:hover:not(.active) {
    background: rgba(0,0,0,0.04);
}

/* ========== 友链 ========== */
.friendlinks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 24px;
    width: 100%;
    max-width: 900px;
}
.friend-card {
    background: var(--card-bg);
    backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.3s;
    box-shadow: var(--shadow-sm);
}
.friend-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.friend-card img {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 12px;
    border: 2px solid rgba(0,0,0,0.05);
}
.friend-card .friend-name {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 500;
}
.friend-card .friend-url {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    word-break: break-all;
}
.friend-card .visit-btn {
    padding: 6px 18px;
    border-radius: 20px;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    font-size: 0.8rem;
    transition: all 0.3s;
}
.friend-card .visit-btn:hover {
    background: #a07d5a;
    transform: scale(1.04);
}

/* ========== 归档 ========== */
.timeline {
    position: relative;
    max-width: 760px;
    width: 100%;
    margin: 0 auto;
    padding-left: 30px;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: rgba(0,0,0,0.06);
}
body.dark .timeline::before {
    background: rgba(255,255,255,0.06);
}
.timeline-group { margin-bottom: 30px; }
.timeline-group h4 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    color: var(--accent);
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
}
.timeline-group h4::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    background: var(--accent);
    border-radius: 50%;
    border: 3px solid var(--bg-color);
    box-shadow: 0 0 0 3px rgba(184,149,106,0.1);
}
.timeline-articles {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.timeline-article {
    background: var(--card-bg);
    backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: 14px 20px;
    margin-left: 12px;
    transition: all 0.3s;
    box-shadow: var(--shadow-sm);
}
.timeline-article:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}
.timeline-article a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.timeline-article .article-date {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

/* ========== 关于页面 ========== */
.about-card {
    background: var(--card-bg);
    backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: var(--shadow-sm);
}
.about-avatar img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent);
    margin-bottom: 16px;
}
.about-name {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}
.about-bio {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}
.about-bio p { margin-bottom: 0.8em; }
.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 24px 0;
}
.about-stat-item {
    background: rgba(0,0,0,0.02);
    border-radius: 12px;
    padding: 16px;
}
.about-stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 300;
    color: var(--accent);
}
.about-stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}
.about-tech {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 16px;
}
.about-tech .tag {
    background: rgba(184,149,106,0.12);
    color: var(--accent);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
}

/* ========== 留言板 ========== */
.guestbook-card {
    max-width: 720px;
    margin: 0 auto;
}
.guestbook-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 300;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 4px;
}
.guestbook-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 28px;
    opacity: 0.7;
}
.guestbook-form {
    background: var(--card-bg);
    backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 28px;
}
.guestbook-form h3 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 12px;
    color: var(--text-primary);
}
.guestbook-form input,
.guestbook-form textarea {
    width: 100%;
    padding: 10px 14px;
    margin: 6px 0 12px;
    border-radius: 12px;
    border: 1px solid var(--card-border);
    background: rgba(0,0,0,0.02);
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    font-family: inherit;
}
.guestbook-form textarea {
    resize: vertical;
    min-height: 80px;
}
.guestbook-form input:focus,
.guestbook-form textarea:focus {
    border-color: var(--accent);
}
.guestbook-list h3 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 16px;
    color: var(--text-primary);
}
.guestbook-item {
    background: var(--card-bg);
    backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    margin-bottom: 12px;
    transition: all 0.3s;
}
.guestbook-item:hover {
    border-color: rgba(184,149,106,0.2);
}
.guestbook-item-header {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 6px;
}
.guestbook-author { color: var(--accent); font-size: 0.95rem; }
.guestbook-time {
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0.6;
}
.guestbook-content {
    font-size: 0.95rem;
    color: var(--text-primary);
    line-height: 1.7;
    word-break: break-word;
}
.guestbook-content p { margin-bottom: 0.4em; }

/* ========== 组织架构 ========== */
.org-card {
    max-width: 900px;
    margin: 0 auto;
}
.org-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 300;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 24px;
}
.org-tree {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.org-dept {
    background: var(--card-bg);
    backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    box-shadow: var(--shadow-sm);
}
.org-dept h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.org-dept .org-count {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--text-secondary);
}
.org-members {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.org-member {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    background: rgba(0,0,0,0.02);
    border: 1px solid transparent;
    transition: all 0.3s;
    cursor: pointer;
}
.org-member:hover {
    background: rgba(184,149,106,0.06);
    border-color: rgba(184,149,106,0.15);
    transform: translateX(4px);
}
.org-member img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    background: #e0dbd3;
    flex-shrink: 0;
}
.org-member-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.org-member-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}
.org-member-pos {
    font-size: 0.7rem;
    color: var(--text-secondary);
}
.org-member-superior {
    font-size: 0.65rem;
    color: var(--text-secondary);
    opacity: 0.6;
}
.org-member .btn {
    font-size: 0.7rem;
    padding: 2px 10px;
}

/* ========== 站内信 ========== */
.msg-card {
    max-width: 720px;
    margin: 0 auto;
}
.msg-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 300;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 24px;
}
.msg-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.msg-item {
    background: var(--card-bg);
    backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    transition: all 0.3s;
    border-left: 3px solid var(--accent);
}
.msg-item:hover {
    border-color: rgba(184,149,106,0.25);
}
.msg-item.msg-unread {
    border-left-color: #e74c3c;
    background: rgba(231,76,60,0.03);
}
.msg-meta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}
.msg-meta .btn {
    font-size: 0.65rem;
    padding: 1px 8px;
}
.msg-content {
    font-size: 0.95rem;
    color: var(--text-primary);
    line-height: 1.6;
    word-break: break-word;
}
.msg-item.msg-unread .msg-meta::after {
    content: '● 未读';
    color: #e74c3c;
    font-size: 0.7rem;
}

/* ========== 个人中心 ========== */
.profile-card {
    max-width: 600px;
    margin: 0 auto;
    background: var(--card-bg);
    backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
}
.profile-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 300;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 24px;
}
.profile-avatar-section {
    text-align: center;
    margin-bottom: 20px;
}
.profile-avatar-lg {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent);
    background: #e0dbd3;
}
.profile-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 20px;
}
.profile-row {
    display: flex;
    padding: 8px 0;
    border-bottom: 1px solid rgba(0,0,0,0.04);
}
.profile-row:last-child { border-bottom: none; }
.profile-label {
    width: 100px;
    flex-shrink: 0;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.85rem;
}
.profile-row span:last-child {
    flex: 1;
    color: var(--text-primary);
    font-size: 0.9rem;
}
.profile-edit-section {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--card-border);
}
.profile-edit-section h3 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 12px;
    color: var(--text-primary);
}
.profile-edit-section input,
.profile-edit-section textarea {
    width: 100%;
    padding: 8px 12px;
    margin: 4px 0 10px;
    border-radius: 8px;
    border: 1px solid var(--card-border);
    background: rgba(0,0,0,0.02);
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    font-family: inherit;
}
.profile-edit-section input:focus,
.profile-edit-section textarea:focus {
    border-color: var(--accent);
}

/* ========== 自定义页面导航 ========== */
.custom-page-nav,
.custom-page-nav-mobile {
    font-size: 0.75rem !important;
    padding: 4px 12px !important;
}
#desktopCustomPagesContainer {
    display: inline-flex;
    gap: 4px;
    flex-wrap: wrap;
    align-items: center;
}
#mobileCustomPagesContainer {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
#mobileCustomPagesContainer .btn {
    width: 100%;
    justify-content: flex-start;
}

/* ========== 通用组件 ========== */
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 16px;
    transition: color 0.3s;
}
.back-btn:hover { color: var(--accent); }

.btn {
    padding: 7px 16px;
    border-radius: 30px;
    border: 1px solid rgba(0,0,0,0.04);
    cursor: pointer;
    font-size: 0.8rem;
    background: var(--btn-bg);
    color: var(--text-primary);
    backdrop-filter: blur(4px);
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn:hover {
    background: rgba(255,255,255,0.5);
    box-shadow: var(--shadow-sm);
}
.btn.primary {
    background: rgba(184,149,106,0.12);
    border-color: rgba(184,149,106,0.2);
    color: #5b4a3a;
}
.btn.small {
    padding: 4px 12px;
    font-size: 0.75rem;
}
.btn.danger {
    color: #b85a5a;
    border-color: rgba(184,90,90,0.15);
}
.btn.success {
    color: #27ae60;
    border-color: rgba(39,174,96,0.15);
}

.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(0,0,0,0.2);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.35s;
}
.modal-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}
.modal-panel {
    background: var(--modal-bg);
    backdrop-filter: blur(32px);
    border: 1px solid var(--modal-border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    width: 92%;
    max-width: 480px;
    transform: translateY(20px);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    max-height: 85vh;
    overflow-y: auto;
}
.modal-overlay.active .modal-panel {
    transform: translateY(0);
}
.modal-panel h3 {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    text-align: center;
    margin-bottom: 20px;
}
.modal-panel input,
.modal-panel textarea {
    width: 100%;
    padding: 10px 14px;
    margin-bottom: 14px;
    border-radius: 12px;
    background: rgba(0,0,0,0.02);
    border: 1px solid rgba(0,0,0,0.05);
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    resize: vertical;
    font-family: inherit;
}
.modal-panel input:focus,
.modal-panel textarea:focus {
    border-color: var(--accent);
    background: rgba(0,0,0,0.03);
}
.editor-toolbar {
    display: flex;
    gap: 6px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}
.editor-toolbar button {
    background: rgba(0,0,0,0.02);
    border: 1px solid rgba(0,0,0,0.04);
    padding: 5px 10px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.8rem;
    color: var(--text-primary);
}

.toast {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(-120px);
    z-index: 200;
    padding: 10px 24px;
    border-radius: 30px;
    background: var(--modal-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--modal-border);
    color: var(--text-primary);
    font-size: 0.85rem;
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    pointer-events: none;
    white-space: nowrap;
    max-width: 90%;
    text-align: center;
}
.toast.show {
    transform: translateX(-50%) translateY(0);
}

.barrage-container {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 3;
    overflow: hidden;
    display: none;
}

.search-bar {
    display: flex;
    gap: 6px;
    align-items: center;
}
.search-bar input {
    padding: 5px 12px;
    border-radius: 30px;
    border: 1px solid var(--card-border);
    background: rgba(255,255,255,0.03);
    color: var(--text-primary);
    width: 120px;
    font-size: 0.8rem;
}
.search-bar input:focus {
    border-color: var(--accent);
    background: rgba(255,255,255,0.05);
}
.category-nav {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 20px;
    justify-content: center;
}
.category-nav span {
    cursor: pointer;
    padding: 4px 14px;
    border-radius: 30px;
    background: var(--card-bg);
    font-size: 0.8rem;
    transition: all 0.3s;
    border: 1px solid transparent;
}
.category-nav span:hover { transform: scale(1.04); }
.category-nav span.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.sidebar-announcement {
    position: fixed;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    width: 260px;
    max-width: 85vw;
    background: var(--card-bg);
    backdrop-filter: blur(24px);
    border: 1px solid var(--card-border);
    border-right: none;
    border-radius: 20px 0 0 20px;
    box-shadow: var(--shadow-md);
    z-index: 250;
    transition: transform 0.3s, opacity 0.3s;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.sidebar-announcement.hidden {
    transform: translateY(-50%) translateX(100%);
    opacity: 0;
    pointer-events: none;
}
.sidebar-announcement-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: rgba(0,0,0,0.02);
    border-bottom: 1px solid var(--card-border);
    font-weight: 500;
}
.sidebar-announcement-close {
    background: none;
    border: none;
    font-size: 1.4rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.2s;
}
.sidebar-announcement-close:hover { color: #e74c3c; }
.sidebar-announcement-body {
    padding: 16px;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-primary);
    overflow-y: auto;
    max-height: 60vh;
}

#qrCodeContainer img {
    width: 200px;
    height: 200px;
    border-radius: 8px;
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .navbar-desktop { display: none; }
    .navbar-mobile { display: flex; }
    .cards-grid { grid-template-columns: 1fr; gap: 16px; }
    .card-cover-wrapper { width: 120px; height: 120px; }
    .card-body { padding: 12px 14px 12px 10px; }
    .article-card .card-title { font-size: 1rem; }
    .card-meta { font-size: 0.6rem; gap: 6px; }
    .btn { padding: 5px 12px; font-size: 0.75rem; }
    .btn.small { padding: 3px 8px; font-size: 0.7rem; }
    .empty-state { padding: 30px 24px; font-size: 0.9rem; }
    .article-detail-card { padding: 20px 16px; }
    .detail-title { font-size: 1.4rem; }
    .modal-panel { padding: 20px 16px; }
    .landing-title { font-size: clamp(2.2rem, 10vw, 3.5rem); }
    .friendlinks-grid { grid-template-columns: 1fr; }
    .timeline { padding-left: 20px; }
    .sidebar-announcement { width: 200px; }
    .search-bar input { width: 100px; }
    .profile-row { flex-direction: column; gap: 2px; }
    .profile-label { width: auto; }
    .org-member { flex-wrap: wrap; }
    .org-member .btn { margin-left: auto; }
    .about-stats { grid-template-columns: 1fr; }
    .landing-search-box { padding: 4px 4px 4px 14px; }
    .landing-search-box input { font-size: 0.85rem; padding: 10px 0; }
    .landing-search-box .btn { padding: 6px 16px; font-size: 0.8rem; }
}

@media (max-width: 480px) {
    .card-cover-wrapper { width: 90px; height: 90px; }
    .card-body { padding: 10px 12px 10px 8px; }
    .article-card .card-title { font-size: 0.9rem; }
    .btn .material-icons { font-size: 0.9rem; }
    .search-bar input { width: 80px; font-size: 0.75rem; }
    .guestbook-form { padding: 16px; }
    .profile-card { padding: 20px; }
    .org-dept { padding: 16px; }
    .modal-panel { padding: 16px 14px; }
}