/* ==================== 主题变量 ==================== */
:root {
    --bg-base:       #0a0a0f;
    --bg-panel:      #14141c;
    --bg-card:       #1a1a24;
    --bg-card-hover: #20202c;
    --bg-input:      #0f0f16;

    --border:        #2a2a38;
    --border-light:  #1f1f2a;
    --border-accent: #8b1a2b;

    --text-primary:   #e8e6e3;
    --text-secondary: #a8a6a3;
    --text-muted:     #6a6870;

    --accent:        #8b1a2b;
    --accent-hover:  #b02238;
    --accent-glow:   rgba(139, 26, 43, 0.35);
    --link:          #d44a5a;
    --link-hover:    #ff6a7a;

    --success: #2d8f5e;
    --error:   #b22a3a;
    --warning: #c8942a;

    --radius:    4px;
    --radius-lg: 8px;
    --shadow:    0 4px 24px rgba(0,0,0,0.6);
    --transition: all .2s ease;

    --font-sans:  'Noto Sans SC', -apple-system, sans-serif;
    --font-serif: 'Noto Serif SC', serif;
    --font-mono:  'Fira Code', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--font-sans);
    background: transparent;
    color: var(--text-primary);
    font-size: 15px;
    line-height: 1.7;
    min-height: 100vh;
    padding-bottom: 80px;
}

a { color: var(--link); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--link-hover); }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ==================== 视频背景 ==================== */
.video-background {
    position: fixed;
    inset: 0;
    z-index: -2;
    overflow: hidden;
    background: var(--bg-base);
}
.video-background video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
}
.video-overlay {
    display: none;
}

/* ==================== 顶部导航 ==================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10,10,15,.82);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 20px rgba(0,0,0,.6);
}
.header-top { border-bottom: 1px solid var(--border-light); }
.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    gap: 24px;
}
.site-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.site-logo img { height: 40px; width: auto; }
.site-title { display: flex; flex-direction: column; line-height: 1.1; }
.site-name {
    font-size: 1.15em;
    font-weight: 700;
    color: #fff;
    letter-spacing: .5px;
}
.site-sub {
    font-size: .7em;
    color: var(--text-muted);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.site-search {
    flex: 1;
    max-width: 500px;
    display: flex;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}
.site-search:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.site-search input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    padding: 10px 14px;
    font-family: inherit;
    font-size: .9em;
}
.site-search button {
    background: var(--accent);
    border: none;
    color: #fff;
    padding: 0 16px;
    cursor: pointer;
    font-size: .85em;
    font-family: inherit;
    transition: var(--transition);
}
.site-search button:hover { background: var(--accent-hover); }

.header-user {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.user-chip {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 10px 4px 4px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
}
.avatar, .avatar-img {
    width: 28px; height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
    font-size: .8em;
    object-fit: cover;
}
.avatar-img { border: 1px solid var(--accent); }
.username { font-size: .85em; color: var(--text-secondary); }
.role-badge {
    font-size: .65em;
    padding: 2px 8px;
    border-radius: 10px;
    background: var(--accent);
    color: #fff;
    text-transform: uppercase;
    letter-spacing: .5px;
}
.header-menu { display: flex; gap: 6px; flex-wrap: wrap; }

.nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 0;
}
.nav-link {
    color: var(--text-secondary);
    padding: 12px 18px;
    font-size: .85em;
    font-weight: 500;
    letter-spacing: .3px;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}
.nav-link:hover {
    color: #fff;
    background: rgba(139,26,43,.15);
    border-bottom-color: var(--accent);
}
.nav-link.active {
    color: #fff;
    border-bottom-color: var(--accent);
}

/* ==================== 三栏布局 ==================== */
.page-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 28px 24px 60px;
    display: grid;
    grid-template-columns: 240px 1fr 260px;
    gap: 24px;
    align-items: start;
}

/* ==================== 侧栏卡片 ==================== */
.sidebar { display: flex; flex-direction: column; gap: 18px; }

.sidebar-card {
    background: rgba(20, 20, 28, 0.78);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(42, 42, 56, 0.85);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.sidebar-card:hover { border-color: var(--border-accent); }
.sidebar-card h3 {
    font-size: .85em;
    font-weight: 700;
    color: var(--accent-hover);
    letter-spacing: 1px;
    text-transform: uppercase;
    padding-bottom: 10px;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 6px;
}
.sidebar-card ul { list-style: none; }
.sidebar-card ul li { margin-bottom: 4px; font-size: .85em; }
.sidebar-card ul li a {
    color: var(--text-secondary);
    display: block;
    padding: 6px 0 6px 12px;
    border-left: 2px solid transparent;
    transition: var(--transition);
}
.sidebar-card ul li a:hover {
    color: #fff;
    border-left-color: var(--accent);
    padding-left: 16px;
}
.page-list { max-height: 320px; overflow-y: auto; }

.admin-card { border-color: var(--accent); }
.admin-card h3 { color: var(--accent-hover); }

.quote-card blockquote {
    font-style: italic;
    color: var(--text-secondary);
    border-left: 3px solid var(--accent);
    padding-left: 12px;
    margin: 0;
    font-size: .9em;
    line-height: 1.6;
}

/* ==================== 主内容区 ==================== */
.main-content {
    background: rgba(20, 20, 28, 0.78);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(139, 26, 43, 0.35);
    border-radius: var(--radius-lg);
    padding: 32px 36px;
    box-shadow: var(--shadow);
    min-height: 60vh;
}

/* ==================== 首页警告条 ==================== */
.home-warning {
    background: rgba(200, 148, 42, 0.12);
    border: 1px solid rgba(200, 148, 42, 0.35);
    border-left: 4px solid var(--warning);
    padding: 14px 20px;
    margin-bottom: 28px;
    color: #d4c08a;
    border-radius: var(--radius);
    font-size: .9em;
}

/* ==================== 正文区域分区 ==================== */
.content-section {
    margin-bottom: 32px;
}
.section-title {
    font-size: 1.05em;
    font-weight: 700;
    color: #fff;
    letter-spacing: 2px;
    padding: 0 0 10px 0;
    margin-bottom: 16px;
    border-bottom: 2px solid var(--accent);
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
}
.section-title::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 18px;
    background: var(--accent);
    border-radius: 2px;
    box-shadow: 0 0 8px var(--accent-glow);
}

/* ==================== 正文按钮网格 ==================== */
.content-btn-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
}

.content-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: .88em;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.content-btn::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--accent);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform .25s ease;
}
.content-btn:hover {
    background: rgba(139, 26, 43, 0.18);
    border-color: var(--accent);
    color: #fff;
    text-decoration: none;
    transform: translateX(2px);
    box-shadow: 0 4px 16px rgba(139, 26, 43, 0.25);
}
.content-btn:hover::before { transform: scaleY(1); }

.cb-title {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cb-tag {
    font-size: .72em;
    padding: 3px 9px;
    border-radius: 10px;
    background: rgba(139, 26, 43, 0.35);
    color: #e8a8b0;
    letter-spacing: .3px;
    white-space: nowrap;
    flex-shrink: 0;
    border: 1px solid rgba(139, 26, 43, 0.5);
}

.content-btn.is-pending {
    opacity: .55;
    cursor: not-allowed;
    pointer-events: none;
}
.content-btn.is-pending:hover {
    transform: none;
    background: rgba(255,255,255,.03);
    border-color: var(--border);
    color: var(--text-muted);
    box-shadow: none;
}
.content-btn.is-pending:hover::before { transform: scaleY(0); }
.content-btn.is-pending .cb-tag {
    background: rgba(106, 104, 112, 0.25);
    color: var(--text-muted);
    border-color: rgba(106, 104, 112, 0.4);
}

/* ==================== 文章 ==================== */
.article-header {
    border-bottom: 2px solid var(--accent);
    padding-bottom: 16px;
    margin-bottom: 24px;
}
.article-title {
    font-size: 1.9em;
    font-weight: 700;
    color: #fff;
    letter-spacing: .5px;
    margin-bottom: 10px;
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: .75em;
    color: var(--text-muted);
    align-items: center;
}
.article-meta a.btn { font-size: .95em; }

.article-content { color: var(--text-primary); }
.article-content h1 {
    font-size: 1.6em; font-weight: 700; color: #fff;
    margin: 28px 0 14px; padding-bottom: 8px;
    border-bottom: 1px solid var(--border-light);
}
.article-content h2 {
    font-size: 1.3em; font-weight: 600; color: #e8e4de;
    margin: 24px 0 10px;
}
.article-content h3 {
    font-size: 1.1em; font-weight: 600; color: #d0ccc6;
    margin: 18px 0 8px;
}
.article-content p { margin: 12px 0; }
.article-content ul, .article-content ol { margin: 12px 0 12px 24px; }
.article-content li { margin: 4px 0; }
.article-content blockquote {
    background: rgba(255,255,255,.03);
    border-left: 4px solid var(--accent);
    padding: 14px 20px;
    margin: 18px 0;
    color: var(--text-secondary);
    font-style: italic;
}
.article-content code {
    font-family: var(--font-mono);
    background: rgba(255,255,255,.06);
    padding: 2px 8px;
    border-radius: 3px;
    font-size: .85em;
    color: #d4a0a0;
}
.article-content pre {
    background: rgba(0,0,0,.5);
    padding: 16px;
    border-radius: var(--radius);
    overflow-x: auto;
    border: 1px solid var(--border-light);
    font-family: var(--font-mono);
    font-size: .85em;
    line-height: 1.6;
}
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
}
.article-content table th {
    background: rgba(139,26,43,.2);
    border: 1px solid var(--border-light);
    padding: 8px 14px;
    font-weight: 600;
    text-align: left;
}
.article-content table td {
    border: 1px solid var(--border-light);
    padding: 8px 14px;
}
.article-content table tr:nth-child(even) td {
    background: rgba(255,255,255,.02);
}
.article-content .warning-box {
    background: rgba(200,148,42,.10);
    border: 1px solid rgba(200,148,42,.3);
    border-left: 4px solid var(--warning);
    padding: 14px 20px;
    margin: 18px 0;
    color: #d4c08a;
    border-radius: var(--radius);
}
.article-content .info-box {
    background: rgba(139,26,43,.08);
    border-left: 4px solid var(--accent);
    padding: 14px 20px;
    margin: 18px 0;
    color: var(--text-secondary);
    border-radius: var(--radius);
}
.article-content .title-image {
    max-width: 320px;
    height: auto;
    display: block;
    margin: 0 auto 20px;
}
.article-content hr {
    border: none; height: 1px;
    background: var(--border-light);
    margin: 28px 0;
}

/* ==================== 编辑工具栏 ==================== */
.edit-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
    padding: 12px 16px;
    background: rgba(0,0,0,.3);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
}
.edit-toolbar .edit-info { font-size: .85em; color: var(--text-secondary); }
.edit-toolbar .edit-info strong { color: var(--accent-hover); }
.edit-toolbar .edit-time { margin-left: 12px; font-size: .9em; color: var(--text-muted); }

/* ==================== 编辑表单 ==================== */
.edit-form .form-group { margin-bottom: 16px; }
.edit-form label {
    display: block;
    font-size: .85em;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 4px;
}
.edit-form input[type="text"],
.edit-form textarea,
.modal-textarea,
.html-source {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: inherit;
    font-size: .95em;
    transition: var(--transition);
}
.edit-form input:focus,
.edit-form textarea:focus,
.html-source:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.html-source {
    font-family: var(--font-mono);
    font-size: .85em;
    line-height: 1.6;
    resize: vertical;
}
.edit-form .form-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }

.ck-editor__editable {
    min-height: 400px;
    background: var(--bg-input) !important;
    color: var(--text-primary) !important;
    border-color: var(--border) !important;
}
.ck.ck-toolbar {
    background: var(--bg-card) !important;
    border-color: var(--border) !important;
}
.ck.ck-button { color: var(--text-secondary) !important; }
.ck.ck-button:hover { background: var(--accent) !important; color: #fff !important; }

/* ==================== 按钮 ==================== */
.btn {
    display: inline-block;
    padding: 8px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: transparent;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: .85em;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
}
.btn:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    text-decoration: none;
}
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-success { background: var(--success); color: #fff; border-color: var(--success); }
.btn-success:hover { background: #3aa06e; border-color: #3aa06e; }
.btn-danger { background: var(--error); color: #fff; border-color: var(--error); }
.btn-danger:hover { background: #c83a4a; border-color: #c83a4a; }
.btn-sm { padding: 5px 12px; font-size: .78em; }

/* ==================== 提示框 ==================== */
.alert {
    padding: 12px 18px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: .9em;
    display: flex;
    align-items: center;
    gap: 10px;
}
.alert-success { background: rgba(45,143,94,.15); border: 1px solid rgba(45,143,94,.3); color: #8ad4a8; }
.alert-error   { background: rgba(178,42,58,.15); border: 1px solid rgba(178,42,58,.3); color: #e88a9a; }
.alert-info    { background: rgba(139,26,43,.15); border: 1px solid rgba(139,26,43,.3); color: #d4a0b0; }
.warning-text { color: var(--warning); font-size: .85em; margin: 10px 0; }

/* ==================== 弹窗 ==================== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 999;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal-overlay.active { display: flex; }
.modal-box {
    background: rgba(20, 20, 28, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-lg);
    padding: 32px 36px;
    max-width: 440px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0,0,0,.8);
    animation: modalFade .25s ease;
    position: relative;
}
.modal-box.modal-wide { max-width: 600px; }
@keyframes modalFade {
    from { opacity: 0; transform: scale(.95) translateY(20px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}
.modal-box h2 { font-size: 1.4em; font-weight: 700; color: #fff; margin-bottom: 6px; }
.modal-box .modal-sub { color: var(--text-muted); font-size: .85em; margin-bottom: 20px; }
.modal-box .form-group { margin-bottom: 14px; }
.modal-box label {
    display: block;
    font-size: .8em;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 4px;
}
.modal-box input,
.modal-box select,
.modal-box textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: inherit;
    font-size: .95em;
    transition: var(--transition);
}
.modal-box input:focus,
.modal-box select:focus,
.modal-box textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.modal-box select option { background: var(--bg-panel); color: var(--text-primary); }
.modal-box .form-actions { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.modal-box .form-actions .btn { flex: 1; min-width: 80px; }
.modal-box .close-modal {
    position: absolute;
    top: 12px; right: 16px;
    background: none; border: none;
    color: var(--text-muted);
    font-size: 1.6em;
    cursor: pointer;
    line-height: 1;
    transition: var(--transition);
}
.modal-box .close-modal:hover { color: #fff; }

/* ==================== 页脚 ==================== */
.site-footer {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 2px solid var(--accent);
    padding: 30px 25px;
    text-align: center;
    color: var(--text-muted);
    font-size: .8em;
}
.site-footer .footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}
.site-footer a { color: var(--text-secondary); }
.site-footer a:hover { color: #fff; }
.site-footer .footer-note {
    margin-top: 4px;
    font-size: .9em;
    color: var(--text-muted);
}

/* ==================== 赞助卡片 ==================== */
.sponsor-card {
    border-color: rgba(139,26,43,.3);
    background: linear-gradient(145deg, rgba(26,26,36,.85), rgba(10,10,15,.9));
    position: relative;
    overflow: hidden;
}
.sponsor-card::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(circle at 30% 30%, rgba(139,26,43,.06), transparent 70%);
    animation: glowRotate 20s linear infinite;
    pointer-events: none;
}
@keyframes glowRotate { to { transform: rotate(360deg); } }
.sponsor-desc {
    color: var(--text-secondary);
    font-size: .85em;
    margin-bottom: 8px;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}
.sponsor-scroll-container {
    height: 140px;
    overflow: hidden;
    position: relative;
    margin-top: 8px;
    mask-image: linear-gradient(to bottom, transparent, #000 10%, #000 90%, transparent);
    -webkit-mask-image: linear-gradient(to bottom, transparent, #000 10%, #000 90%, transparent);
}
.sponsor-list {
    list-style: none;
    animation: scrollSponsor 18s linear infinite;
}
.sponsor-list li {
    padding: 6px 0 6px 24px;
    position: relative;
    color: var(--text-secondary);
    font-size: .85em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border-bottom: 1px solid rgba(255,255,255,.03);
}
.sponsor-list li::before {
    content: '';
    position: absolute;
    left: 8px; top: 50%;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--accent);
    transform: translateY(-50%);
    box-shadow: 0 0 6px var(--accent-glow);
}
@keyframes scrollSponsor {
    0%   { transform: translateY(0); }
    100% { transform: translateY(-50%); }
}
.sponsor-btn {
    display: inline-block;
    margin-top: 12px;
    padding: 8px 20px;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: #fff !important;
    font-size: .8em;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 2px 10px rgba(139,26,43,.3);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}
.sponsor-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139,26,43,.5);
    text-decoration: none;
}

/* ==================== 友情链接 ==================== */
.friend-link-card { text-align: center; }
.friend-link-item { display: block; padding: 10px 0; }
.friend-link-item a {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    font-size: .85em;
    transition: var(--transition);
}
.friend-link-item a:hover { color: #fff; }
.friend-link-item .friend-logo {
    height: 32px;
    width: auto;
    max-width: 120px;
    filter: drop-shadow(0 0 4px rgba(139,26,43,.4));
    transition: transform .2s;
}
.friend-link-item .friend-logo.logo-large  { height: 56px; }
.friend-link-item .friend-logo.logo-large1 { height: 80px; }
.friend-link-item a:hover .friend-logo { transform: scale(1.05); }
.friend-invite {
    font-size: .75em;
    color: var(--text-muted);
}

/* ==================== 音乐播放器 ==================== */
.music-player {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-top: 2px solid var(--accent);
    padding: 10px 20px;
    z-index: 998;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    box-shadow: 0 -4px 20px rgba(0,0,0,.8);
}
.music-player .info {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    font-size: .85em;
    min-width: 150px;
    flex: 0 1 380px;
}
.music-player .info .title {
    color: var(--text-primary);
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.music-player .info .status {
    color: var(--text-muted);
    font-size: .85em;
}
.music-player .controls { display: flex; align-items: center; gap: 8px; }
.music-player .controls button {
    background: rgba(255,255,255,.05);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: .8em;
    font-family: inherit;
    cursor: pointer;
    padding: 5px 10px;
    transition: var(--transition);
    white-space: nowrap;
}
.music-player .controls button:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.music-player .controls button.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.music-player .progress {
    flex: 0 1 1680px;      /* 不再自动扩张，固定 280px 上限 */
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}
.music-player input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: var(--text-muted);
    outline: none;
}
.music-player input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px; height: 12px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    transition: .2s;
}
.music-player input[type="range"]::-webkit-slider-thumb:hover {
    background: var(--accent-hover);
    transform: scale(1.15);
}
.music-player input[type="range"]::-moz-range-thumb {
    width: 12px; height: 12px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: none;
}
.music-player .progress .time {
    color: var(--text-muted);
    font-size: .7em;
    min-width: 40px;
    text-align: center;
}
.music-player .volume {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 0 0 100px;
}
.music-player .volume .vol-icon {
    color: var(--text-muted);
    font-size: .8em;
    white-space: nowrap;
}

/* ==================== 响应式 ==================== */
@media (max-width: 1100px) {
    .page-container { grid-template-columns: 220px 1fr; }
    .sidebar-right { display: none; }
}
@media (max-width: 820px) {
    .page-container { grid-template-columns: 1fr; }
    .sidebar-left { order: 3; }
    .main-content { order: 1; padding: 20px 16px; }
    .header-inner { flex-wrap: wrap; gap: 12px; }
    .site-search { max-width: 100%; order: 3; flex-basis: 100%; }
    .article-title { font-size: 1.5em; }
    .nav-inner { overflow-x: auto; flex-wrap: nowrap; padding: 0 12px; }
    .nav-link { white-space: nowrap; }
    .content-btn-grid { grid-template-columns: 1fr; }
    .section-title { font-size: .95em; letter-spacing: 1px; }
}
@media (max-width: 768px) {
    .video-background video { display: none; }
    .video-background { background: var(--bg-base); }
}
@media (max-width: 480px) {
    .header-inner { padding: 10px 12px; }
    .site-name { font-size: 1em; }
    .username { display: none; }
    .btn { font-size: .75em; padding: 6px 12px; }
    .modal-box { padding: 24px 20px; }
    .music-player { flex-direction: column; align-items: stretch; gap: 6px; padding: 8px 12px; }
    .music-player .info,
    .music-player .controls,
    .music-player .progress,
    .music-player .volume { flex: 1 1 auto; width: 100%; justify-content: center; }
}

/* ==================== 服务器列表页专用 ==================== */
.server-page-header {
    border-bottom: 2px solid var(--accent);
    padding-bottom: 16px;
    margin-bottom: 24px;
}
.server-page-title {
    font-size: 1.9em;
    font-weight: 700;
    color: #fff;
    letter-spacing: .5px;
    margin-bottom: 6px;
}
.server-page-sub {
    font-size: .85em;
    color: var(--text-muted);
}

/* 表格容器 */
.server-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: rgba(0,0,0,.2);
}
.server-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .85em;
}
.server-table th {
    background: rgba(139, 26, 43, 0.25);
    border-bottom: 1px solid var(--border);
    padding: 10px 12px;
    text-align: left;
    color: var(--text-secondary);
    font-weight: 600;
    letter-spacing: .5px;
    white-space: nowrap;
}
.server-table td {
    border-bottom: 1px solid var(--border-light);
    padding: 10px 12px;
    vertical-align: middle;
    color: var(--text-primary);
}
.server-table tr:last-child td { border-bottom: none; }
.server-table tr:hover td { background: rgba(139, 26, 43, 0.06); }

.rules-cell {
    max-width: 200px;
    word-break: break-word;
    color: var(--text-secondary);
    font-size: .9em;
}
.mono-cell {
    font-family: var(--font-mono);
    font-size: .85em;
    color: #d4a0a0;
}

/* 状态徽章 */
.status-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 10px;
    font-size: .78em;
    font-weight: 600;
    letter-spacing: .5px;
}
.status-online {
    background: rgba(45, 143, 94, 0.2);
    color: #6eda9e;
    border: 1px solid rgba(45, 143, 94, 0.5);
}
.status-offline {
    background: rgba(178, 42, 58, 0.15);
    color: #e88a9a;
    border: 1px solid rgba(178, 42, 58, 0.4);
}

.server-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 60px 20px;
    font-size: .9em;
    border: 1px dashed var(--border);
    border-radius: var(--radius);
}

.last-update {
    text-align: right;
    color: var(--text-muted);
    font-size: .8em;
    margin-top: 12px;
}

/* 弹窗内的双列表单 */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
@media (max-width: 500px) {
    .form-row { grid-template-columns: 1fr; }
}

/* 服务器页响应式 */
@media (max-width: 820px) {
    .server-table th,
    .server-table td { padding: 8px 8px; font-size: .8em; }
    .rules-cell { max-width: 120px; }
    .server-page-title { font-size: 1.5em; }
}

/* 加宽布局 */
.page-container.server-page-wide {
    max-width: 1900px;                     /* 原 1600 → 1900 */
    grid-template-columns: 170px 1fr 190px; /* 原 200/220 → 170/190 */
    gap: 16px;
}

@media (max-width: 1400px) {
    .page-container.server-page-wide {
        grid-template-columns: 180px 1fr 200px;
    }
}

/* ==================== 历史版本页：下载代码样式 ==================== */
.download-code {
    font-family: var(--font-mono);
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border);
    padding: 4px 10px;
    border-radius: var(--radius);
    word-break: break-all;
    display: inline-block;
    font-size: .85em;
    color: #d4a0a0;
    max-width: 100%;
}

/* ==================== 封禁页：媒体链接 ==================== */
.media-link {
    display: inline-block;
    padding: 2px 10px;
    background: rgba(139, 26, 43, 0.2);
    border: 1px solid rgba(139, 26, 43, 0.4);
    border-radius: 10px;
    font-size: .85em;
    color: #e8a8b0;
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
}
.media-link:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    text-decoration: none;
}

/* ==================== 封禁页：表格微调 ==================== */
.ban-table td,
.ban-table th {
    white-space: nowrap;
}
.ban-table td.rules-cell {
    white-space: normal;
    max-width: 200px;
}
.ban-table td.mono-cell {
    white-space: nowrap;
}

/* ==================== 速通排行榜页专用 ==================== */
.speedrun-table th,
.speedrun-table td {
    white-space: nowrap;
}

/* 排名徽章 */
.rank-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-weight: 700;
    font-size: .95em;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.rank-badge.rank-1 {
    background: linear-gradient(135deg, #f1c40f, #d4a017);
    color: #1a1a1a;
    border-color: #f1c40f;
    box-shadow: 0 0 12px rgba(241, 196, 15, 0.4);
}
.rank-badge.rank-2 {
    background: linear-gradient(135deg, #bdc3c7, #95a5a6);
    color: #1a1a1a;
    border-color: #bdc3c7;
    box-shadow: 0 0 10px rgba(189, 195, 199, 0.3);
}
.rank-badge.rank-3 {
    background: linear-gradient(135deg, #cd7f32, #a05a1f);
    color: #fff;
    border-color: #cd7f32;
    box-shadow: 0 0 10px rgba(205, 127, 50, 0.3);
}

/* 玩家名 */
.player-name {
    font-weight: 600;
    font-size: 1em;
    color: #fff;
}

/* 通关时间 */
.record-time {
    font-family: var(--font-mono);
    font-size: 1.05em;
    font-weight: 600;
    color: #f39c12;
    letter-spacing: 1px;
}

/* 地图 */
.map-name {
    color: #6cb4e8;
    font-weight: 500;
}

/* 版本徽章 */
.version-badge {
    display: inline-block;
    background: rgba(52, 152, 219, 0.15);
    color: #6cb4e8;
    padding: 2px 10px;
    border-radius: 10px;
    font-size: .85em;
    font-weight: 500;
    border: 1px solid rgba(52, 152, 219, 0.3);
}

/* 视频链接 */
.video-link {
    display: inline-block;
    padding: 3px 12px;
    background: rgba(139, 26, 43, 0.2);
    border: 1px solid rgba(139, 26, 43, 0.4);
    border-radius: 10px;
    font-size: .82em;
    color: #e8a8b0;
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
}
.video-link:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    text-decoration: none;
}

/* ==================== 文章内容（地图/剧情页专用） ==================== */
.article-image {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px auto;
    border-radius: var(--radius);
    border: 0px solid var(--border);
    box-shadow: 0 0px 0px rgba(0,0,0,0);
}

.section-divider {
    border: none;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--border-accent), transparent);
    margin: 40px 0;
}

/* 剧透警告 */
.spoiler-warning {
    background: rgba(200, 148, 42, 0.12);
    border: 1px solid rgba(200, 148, 42, 0.35);
    border-left: 4px solid var(--warning);
    padding: 14px 20px;
    margin-bottom: 28px;
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.spoiler-warning strong {
    color: #f1c40f;
    font-size: .95em;
    letter-spacing: .5px;
}
.spoiler-warning span {
    color: #d4c08a;
    font-size: .85em;
}

/* 章节标题 */
.chapter-title {
    font-size: 1.4em;
    font-weight: 700;
    color: #fff;
    letter-spacing: 2px;
    padding: 0 0 12px 0;
    margin: 20px 0 20px;
    border-bottom: 2px solid var(--accent);
    display: flex;
    align-items: center;
    gap: 10px;
}
.chapter-title::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 22px;
    background: var(--accent);
    border-radius: 2px;
    box-shadow: 0 0 8px var(--accent-glow);
}

/* 小节标题 */
.section-subtitle {
    font-size: 1.05em;
    font-weight: 600;
    color: var(--accent-hover);
    letter-spacing: 1px;
    margin: 24px 0 10px;
    padding-left: 10px;
    border-left: 3px solid var(--accent);
}

/* 正文段落 */
.content-section p {
    color: var(--text-primary);
    font-size: .95em;
    line-height: 1.85;
    margin: 10px 0 14px;
}

.placeholder-text {
    color: var(--text-muted);
    font-style: italic;
    padding: 12px 16px;
    background: rgba(0,0,0,.2);
    border-radius: var(--radius);
    border-left: 3px solid var(--border);
}

/* ==================== 无线电对话 ==================== */
.radio-dialogue-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 16px;
}

.radio-dialogue-item {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius);
    padding: 14px 18px;
    transition: var(--transition);
}
.radio-dialogue-item:hover {
    border-color: var(--accent);
    background: rgba(139, 26, 43, 0.08);
}

.radio-dialogue-title {
    font-size: .95em;
    font-weight: 600;
    color: var(--accent-hover);
    letter-spacing: .5px;
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px dashed var(--border);
}

.radio-audio {
    width: 100%;
    margin: 8px 0 12px;
    height: 32px;
    filter: invert(1) hue-rotate(180deg) brightness(1.3);
    opacity: .85;
}

.radio-dialogue-lines {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.radio-dialogue-lines p {
    margin: 0;
    font-size: .9em;
    line-height: 1.7;
    color: var(--text-secondary);
    font-family: var(--font-sans);
}
.radio-dialogue-lines p::before {
    content: '> ';
    color: var(--accent-hover);
    font-family: var(--font-mono);
    margin-right: 2px;
}

/* ==================== 响应式 ==================== */
@media (max-width: 820px) {
    .chapter-title { font-size: 1.15em; letter-spacing: 1px; }
    .section-subtitle { font-size: .95em; }
    .article-image { margin: 14px auto; }
    .radio-dialogue-item { padding: 10px 12px; }
    .radio-dialogue-lines p { font-size: .85em; }
}

/* ==================== 服务器列表：关卡 + Ping ==================== */
.map-name {
    color: #6cb4e8;
    font-weight: 500;
    font-size: .88em;
}

.ping-value {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: .85em;
}
.ping-good { color: #6eda9e; }   /* < 100ms 绿 */
.ping-mid  { color: #f1c40f; }   /* < 200ms 黄 */
.ping-bad  { color: #e88a9a; }   /* >= 200ms 红 */

/* ==================== 冷知识列表 ==================== */
.trivia-list {
    margin: 14px 0 14px 24px;
    color: var(--text-primary);
    font-size: .95em;
    line-height: 1.85;
}
.trivia-list li {
    margin: 6px 0;
    padding-left: 6px;
}
/* ==================== 正文视频嵌入 ==================== */
.video-embed {
    position: relative;
    width: 100%;
    max-width: 1960px;
    margin: 24px auto;
    aspect-ratio: 16 / 9;
    background: #000;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,.5);
}
.video-embed iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* 原生 video 标签 */
.article-video {
    display: block;
    width: 100%;
    max-width: 960px;
    margin: 24px auto;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: #000;
    box-shadow: 0 4px 20px rgba(0,0,0,.5);
}

/* ==================== Wiki 新闻弹窗 ==================== */
.wiki-news-popup {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.wiki-news-popup.active { display: flex; }
.wiki-news-popup.closing {
    opacity: 0;
    transition: opacity .3s ease;
}

.wiki-news-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.82);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.wiki-news-box {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 580px;
    max-height: 85vh;
    background: rgba(20, 20, 28, 0.98);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0,0,0,.8), 0 0 40px rgba(139, 26, 43, .3);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: newsPopupIn .35s cubic-bezier(.34,1.56,.64,1);
}
@keyframes newsPopupIn {
    from { opacity: 0; transform: scale(.9) translateY(30px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

.wiki-news-close {
    position: absolute;
    top: 12px; right: 14px;
    width: 32px; height: 32px;
    background: rgba(0,0,0,.5);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 1.4em;
    line-height: 1;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}
.wiki-news-close:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    transform: rotate(90deg);
}

.wiki-news-header {
    padding: 24px 28px 16px;
    border-bottom: 2px solid var(--accent);
    display: flex;
    align-items: baseline;
    gap: 12px;
    flex-wrap: wrap;
}
.wiki-news-header h2 {
    font-size: 1.4em;
    font-weight: 700;
    color: #fff;
    letter-spacing: 1px;
    margin: 0;
}
.wiki-news-count {
    font-size: .78em;
    color: var(--accent-hover);
    padding: 2px 10px;
    background: rgba(139, 26, 43, .2);
    border-radius: 10px;
    border: 1px solid rgba(139, 26, 43, .4);
}

.wiki-news-list {
    flex: 1;
    overflow-y: auto;
    padding: 16px 28px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.wiki-news-item {
    background: rgba(255, 255, 255, .03);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius);
    padding: 14px 16px;
    transition: var(--transition);
}
.wiki-news-item:hover {
    background: rgba(139, 26, 43, .08);
    border-color: var(--accent);
}
.wiki-news-item.type-warning { border-left-color: #c8942a; }
.wiki-news-item.type-urgent  { border-left-color: #b22a3a; }
.wiki-news-item.type-update  { border-left-color: #3498db; }

.wiki-news-item-header {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 6px;
}

.wiki-news-type {
    font-size: .7em;
    padding: 2px 8px;
    border-radius: 8px;
    background: rgba(139, 26, 43, .35);
    color: #e8a8b0;
    letter-spacing: .5px;
    font-weight: 600;
    flex-shrink: 0;
}
.wiki-news-item.type-warning .wiki-news-type {
    background: rgba(200, 148, 42, .25);
    color: #f1c40f;
}
.wiki-news-item.type-urgent .wiki-news-type {
    background: rgba(178, 42, 58, .35);
    color: #e88a9a;
}
.wiki-news-item.type-update .wiki-news-type {
    background: rgba(52, 152, 219, .25);
    color: #6cb4e8;
}

.wiki-news-title {
    font-size: 1em;
    font-weight: 600;
    color: #fff;
    margin: 0;
    flex: 1;
    min-width: 100px;
}
.wiki-news-date {
    font-size: .72em;
    color: var(--text-muted);
    font-family: var(--font-mono);
    flex-shrink: 0;
}

.wiki-news-content {
    font-size: .88em;
    line-height: 1.75;
    color: var(--text-secondary);
    margin-top: 6px;
}

.wiki-news-footer {
    padding: 16px 28px 22px;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 10px;
    background: rgba(0, 0, 0, .2);
}
.wiki-news-footer .btn {
    min-width: 100px;
    padding: 8px 24px;
}
.wiki-news-footer .btn:hover { text-decoration: none; }

@media (max-width: 600px) {
    .wiki-news-box { max-width: 100%; max-height: 90vh; }
    .wiki-news-header { padding: 20px 20px 14px; }
    .wiki-news-list { padding: 12px 20px; }
    .wiki-news-footer { padding: 14px 20px 18px; }
    .wiki-news-title { font-size: .95em; }
}

/* ==================== 手机端响应式修复 ==================== */

/* 平板（1100px 以下）：隐藏右侧栏，变成两列 */
@media (max-width: 1100px) {
    .page-container.server-page-wide {
        grid-template-columns: 1fr 220px;
        max-width: 100%;
        gap: 16px;
    }
    .page-container.server-page-wide .sidebar-right {
        display: none;
    }
}

/* 手机（820px 以下）：全部单列，正文优先 */
@media (max-width: 820px) {
    .page-container.server-page-wide {
        grid-template-columns: 1fr;
        gap: 14px;
        padding: 15px 12px 40px;
        max-width: 100%;
    }

    /* 正文优先显示，侧栏依次排下去 */
    .page-container.server-page-wide .main-content { order: 1; }
    .page-container.server-page-wide .sidebar-left  { order: 2; }
    .page-container.server-page-wide .sidebar-right { order: 3; display: block; }

    /* 正文卡片内边距缩小 */
    .page-container.server-page-wide .main-content {
        padding: 20px 16px;
    }

    /* 页面标题缩小 */
    .page-container.server-page-wide .server-page-title {
        font-size: 1.5em;
    }

    /* 卡片内边距缩小 */
    .page-container.server-page-wide .sidebar-card {
        padding: 14px 16px;
    }

    /* 剧透警告缩小 */
    .page-container.server-page-wide .spoiler-warning {
        padding: 12px 16px;
    }
    .page-container.server-page-wide .spoiler-warning strong { font-size: .9em; }
    .page-container.server-page-wide .spoiler-warning span   { font-size: .8em; }

    /* 正文内容缩小 */
    .page-container.server-page-wide .article-content {
        font-size: .95em;
    }
    .page-container.server-page-wide .article-content h1 {
        font-size: 1.4em;
    }
    .page-container.server-page-wide .article-content h2 {
        font-size: 1.15em;
    }
    .page-container.server-page-wide .article-content h3 {
        font-size: 1em;
    }
    .page-container.server-page-wide .article-content img {
        max-width: 100%;
        height: auto;
    }

    /* 章节标题缩小 */
    .page-container.server-page-wide .chapter-title {
        font-size: 1.15em;
        letter-spacing: 1px;
    }
    .page-container.server-page-wide .section-subtitle {
        font-size: .95em;
    }
}

/* 小屏手机（480px 以下） */
@media (max-width: 480px) {
    .page-container.server-page-wide {
        padding: 12px 8px 30px;
        gap: 10px;
    }
    .page-container.server-page-wide .main-content {
        padding: 16px 12px;
    }
    .page-container.server-page-wide .server-page-title {
        font-size: 1.3em;
    }
    .page-container.server-page-wide .article-content {
        font-size: .9em;
    }
    .page-container.server-page-wide .article-content h1 {
        font-size: 1.25em;
    }
}
/* ==================== 语言切换器（按钮 + 下拉） ==================== */
.lang-switcher {
    position: relative;
    display: inline-block;
}

.lang-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-secondary);
    padding: 6px 14px;
    font-family: inherit;
    font-size: .82em;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: .3px;
    white-space: nowrap;
}
.lang-btn:hover,
.lang-btn.open {
    border-color: var(--accent);
    color: #fff;
    background-color: rgba(139, 26, 43, .15);
}

.lang-caret {
    font-size: .9em;
    transition: transform .2s ease;
    display: inline-block;
}
.lang-btn.open .lang-caret {
    transform: rotate(180deg);
}

.lang-menu {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 150px;
    background: rgba(20, 20, 28, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 8px 30px rgba(0,0,0,.6);
    list-style: none;
    margin: 0;
    padding: 6px;
    z-index: 1000;
    animation: langMenuIn .18s ease;
}
.lang-menu.active {
    display: block;
}

@keyframes langMenuIn {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.lang-option {
    display: block;
    padding: 8px 12px;
    color: var(--text-secondary);
    font-size: .85em;
    border-radius: 4px;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}
.lang-option:hover {
    background: rgba(139, 26, 43, .2);
    color: #fff;
    text-decoration: none;
}
.lang-option.active {
    background: rgba(139, 26, 43, .3);
    color: #fff;
    font-weight: 600;
}
.lang-option.active::before {
    content: '✓ ';
    color: var(--accent-hover);
}

/* 已登录时按钮更小 */
.header-menu .lang-switcher .lang-btn {
    padding: 5px 12px;
    font-size: .78em;
}

/* 手机端 */
@media (max-width: 480px) {
    .lang-btn {
        padding: 5px 10px;
        font-size: .75em;
    }
    .lang-menu {
        min-width: 130px;
    }
}