/* ========== JNEstudio 企业级设计系统 ========== */
:root {
    --bg-color: #ffffff;
    --bg-secondary: #f8fafc;
    --card-bg: #ffffff;
    --text-color: #1f2937;
    --text-secondary: #64748b;
    --accent: #1d4ed8;
    --accent-hover: #1e40af;
    --accent-soft: #eff6ff;
    --border-color: #e2e8f0;
    --danger: #dc2626;
    --success: #16a34a;
    --warning: #b45309;
    --logo-nav: 'logo 白背景横版.png';
    --logo-version: 'logo 白背景竖版.png';
    --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
    --shadow-md: 0 4px 12px rgba(16, 24, 40, 0.08);
    --shadow-lg: 0 8px 24px rgba(16, 24, 40, 0.12);
}

/* 深色主题（企业深灰，无霓虹光晕） */
body.dark-theme,
body.dark-mode,
body.light-theme.dark {
    --bg-color: #0f172a;
    --bg-secondary: #1e293b;
    --card-bg: #1e293b;
    --text-color: #e2e8f0;
    --text-secondary: #94a3b8;
    --accent: #60a5fa;
    --accent-hover: #93c5fd;
    --accent-soft: #1e3a5f;
    --border-color: #334155;
    --danger: #f87171;
    --success: #4ade80;
    --warning: #fbbf24;
    --logo-nav: 'logo 黑背景横版.png';
    --logo-version: 'logo 黑背景竖版.png';
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
}

/* 兼容 main.js 的 .light-theme 类（切换时 body 加上的类） */
body.light-theme {
    --bg-color: #ffffff;
    --bg-secondary: #f8fafc;
    --card-bg: #ffffff;
    --text-color: #1f2937;
    --text-secondary: #64748b;
    --accent: #1d4ed8;
    --accent-hover: #1e40af;
    --accent-soft: #eff6ff;
    --border-color: #e2e8f0;
    --danger: #dc2626;
    --success: #16a34a;
    --warning: #b45309;
    --logo-nav: 'logo 白背景横版.png';
    --logo-version: 'logo 白背景竖版.png';
    --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
    --shadow-md: 0 4px 12px rgba(16, 24, 40, 0.08);
    --shadow-lg: 0 8px 24px rgba(16, 24, 40, 0.12);
}

/* ========== 全局基础 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                 "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    text-align: center;
    min-height: 100vh;
    font-size: 14px;
    line-height: 1.6;
    transition: background-color 0.2s, color 0.2s;
    -webkit-font-smoothing: antialiased;
}

/* ========== 导航栏 ========== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
    padding: 0 32px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.nav-title {
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--text-color);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-badge {
    padding: 6px 14px;
    border-radius: 6px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-color);
}

/* ========== 主题切换按钮 ========== */
.theme-toggle {
    width: 36px;
    height: 36px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-color);
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    transition: border-color 0.2s, background 0.2s;
}

.theme-toggle:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
}

/* ========== 按钮 ========== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: #fff;
    border: 1px solid var(--accent);
    padding: 9px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.4;
    transition: background 0.2s, border-color 0.2s;
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 7px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    line-height: 1.4;
    text-decoration: none;
    transition: border-color 0.2s, background 0.2s;
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-danger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--danger);
    color: #fff;
    border: 1px solid var(--danger);
    padding: 7px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    line-height: 1.4;
    transition: opacity 0.2s;
}

.btn-danger:hover {
    opacity: 0.88;
}

.btn-sm {
    padding: 5px 12px;
    font-size: 0.8rem;
}

/* ========== 主内容区 ========== */
.main-content {
    max-width: 960px;
    margin: 0 auto;
    padding: 48px 24px 24px;
    text-align: left;
}

/* ========== 品牌展示区 ========== */
.hero {
    text-align: center;
    padding: 40px 20px 12px;
}

.hero-logo {
    width: 120px;
    height: 120px;
    object-fit: contain;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    color: var(--text-color);
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: 8px;
    font-weight: 400;
}

/* ========== 公告栏 ========== */
.announcements-section {
    margin-top: 40px;
}

.section-title {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-color);
    padding-left: 0;
    border-left: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-title::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 16px;
    background: var(--accent);
    border-radius: 2px;
}

.announcement-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.announcement-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px 20px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.announcement-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-sm);
}

.announcement-card.level-A {
    border-left: 4px solid var(--danger);
}

.announcement-card.level-B {
    border-left: 4px solid var(--success);
}

.ann-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.level-badge {
    font-size: 0.72rem;
    padding: 2px 10px;
    border-radius: 100px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.level-badge.A {
    background: var(--danger);
    color: #fff;
}

.level-badge.B {
    background: var(--success);
    color: #fff;
}

.ann-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
}

.ann-content {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    white-space: pre-wrap;
}

.ann-meta {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 8px;
}

.loading {
    color: var(--text-secondary);
    text-align: center;
    padding: 16px;
    font-size: 0.9rem;
}

/* ========== 加入我们 ========== */
.join-section {
    margin-top: 48px;
}

.join-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    max-width: 360px;
    margin: 0 auto;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.join-modal-body {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.qq-qrcode {
    width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: #fff;
}

.qq-number {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.qq-number strong {
    color: var(--text-color);
    font-weight: 600;
}

.qq-join-btn {
    background: #1c8ce0;
    color: #fff;
    border: 1px solid #1c8ce0;
    padding: 9px 24px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.qq-join-btn:hover {
    background: #1577c2;
}

/* ========== 底部横版LOGO ========== */
.footer-logo-section {
    margin-top: 48px;
    padding: 24px 0 16px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-logo {
    width: 220px;
    max-width: 80%;
    height: auto;
    object-fit: contain;
    opacity: 0.75;
}

/* ========== 弹窗 ========== */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

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

.modal {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    width: 92%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
    animation: modalIn 0.2s ease;
}

@keyframes modalIn {
    from {
        transform: translateY(-8px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--text-secondary);
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
}

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

.modal-body {
    padding: 20px;
}

/* 登录弹窗品牌区 */
.auth-modal {
    max-width: 420px;
    overflow: hidden;
    padding: 0;
}

.auth-modal-brand {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    padding: 26px 20px 20px;
    text-align: center;
    color: #fff;
}

.auth-brand-logo {
    width: 56px;
    height: 56px;
    object-fit: contain;
    margin-bottom: 8px;
    filter: brightness(0) invert(1);
}

.auth-brand-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
}

.auth-brand-sub {
    font-size: 0.8rem;
    opacity: 0.85;
    margin-top: 2px;
}

.auth-modal-main .modal-header {
    border-bottom: none;
    padding-bottom: 0;
}

.auth-modal .auth-tabs {
    margin-bottom: 14px;
}

/* 认证标签页 */
.auth-tabs {
    display: flex;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--border-color);
}

.auth-tab {
    flex: 1;
    padding: 8px 0;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: color 0.2s, border-color 0.2s;
}

.auth-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
    font-weight: 600;
}

/* 表单 */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.form-input {
    width: 100%;
    padding: 9px 12px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    color: var(--text-color);
    font-size: 0.9rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.form-textarea {
    width: 100%;
    padding: 9px 12px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    color: var(--text-color);
    font-size: 0.9rem;
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.form-select {
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    color: var(--text-color);
    font-size: 0.9rem;
    cursor: pointer;
}

.form-message {
    margin-top: 12px;
    color: var(--danger);
    font-size: 0.85rem;
    min-height: 20px;
}

/* 公告弹窗 */
.announcement-modal .modal-body h4 {
    color: var(--text-color);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.announcement-modal .modal-body p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    white-space: pre-wrap;
    margin-bottom: 18px;
}

.modal-actions {
    text-align: center;
}

/* ========== 管理后台 ========== */
.admin-body {
    text-align: left;
}

.admin-main {
    max-width: 1080px;
    margin: 0 auto;
    padding: 32px 24px;
}

.admin-tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 28px;
}

.admin-tab {
    padding: 10px 18px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: color 0.2s, border-color 0.2s;
}

.admin-tab:hover {
    color: var(--accent);
}

.admin-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
    font-weight: 600;
}

.admin-panel {
    animation: fadeIn 0.2s;
}

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

.admin-panel h3 {
    margin-bottom: 14px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
}

.form-group {
    margin-bottom: 14px;
}

.form-inline {
    display: flex;
    align-items: center;
    gap: 10px;
}

.mt-3 {
    margin-top: 32px;
}

/* 管理表格 */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    margin-top: 8px;
}

.admin-table th {
    background: var(--bg-secondary);
    padding: 10px 12px;
    text-align: left;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.admin-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.85rem;
}

.admin-table tr:last-child td {
    border-bottom: none;
}

.admin-table tr:hover td {
    background: var(--bg-secondary);
}

.text-center {
    text-align: center;
}

/* 邀请码结果框 */
.invite-codes-box {
    margin-top: 14px;
    padding: 14px;
    background: var(--bg-secondary);
    border: 1px dashed var(--border-color);
    border-radius: 6px;
    display: none;
    word-break: break-all;
    font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
    line-height: 1.8;
    font-size: 0.85rem;
    color: var(--accent);
}

.invite-codes-box.show {
    display: block;
}

/* 状态徽章 */
.status-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
}

.status-badge.used {
    background: var(--accent-soft);
    color: var(--warning);
}

.status-badge.unused {
    background: var(--accent-soft);
    color: var(--success);
}

.status-badge.active {
    background: var(--accent-soft);
    color: var(--success);
}

.status-badge.disabled {
    background: var(--accent-soft);
    color: var(--danger);
}

/* 弱密码警告条 */
.weak-password-warning {
    max-width: 960px;
    margin: 0 auto;
    padding: 10px 18px;
    background: #fef3c7;
    border: 1px solid #f59e0b;
    border-radius: 6px;
    color: #92400e;
    font-weight: 500;
    font-size: 0.85rem;
    text-align: center;
}

body.dark-theme .weak-password-warning,
body.light-theme .weak-password-warning:not(.light-theme .weak-password-warning) {
    background: #451a03;
    border-color: #b45309;
    color: #fbbf24;
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .navbar {
        padding: 0 16px;
    }

    .nav-title {
        font-size: 1rem;
    }

    .main-content {
        padding: 32px 16px 16px;
    }

    .hero-logo {
        width: 96px;
        height: 96px;
    }

    .hero-title {
        font-size: 1.7rem;
    }

    .admin-main {
        padding: 20px 12px;
    }

    .admin-table {
        font-size: 0.8rem;
    }

    .admin-table th,
    .admin-table td {
        padding: 8px;
    }
}

/* ========== 打字机效果 ========== */
.typewriter-section {
    margin-top: 18px;
    min-height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
}

#typewriterText {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.03em;
    min-height: 1.6em;
}

.typewriter-cursor {
    display: inline-block;
    margin-left: 2px;
    color: var(--accent);
    animation: blink 1s steps(1) infinite;
    font-weight: 400;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    50.01%, 100% { opacity: 0; }
}

/* ========== 公告弹窗倒计时 ========== */
.ann-countdown {
    margin-bottom: 16px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

#annCountdownNum {
    display: inline-block;
    min-width: 34px;
    padding: 2px 8px;
    background: var(--accent-soft);
    color: var(--accent);
    border-radius: 100px;
    font-weight: 700;
    font-size: 0.9rem;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.modal-actions button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ========== 社区板块 ========== */
.community-section {
    margin-top: 48px;
}

/* 发布表单头部提示 */
.post-form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 14px;
}

.post-form-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0;
}

.post-form-tip {
    font-size: 0.78rem;
    color: var(--text-secondary);
}

/* 自定义文件上传按钮 */
.file-upload-label {
    cursor: pointer;
    display: inline-flex;
    align-items: center;
}

.file-upload-label input[type="file"] {
    display: none;
}

/* 设备显示开关 */
.device-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}

.device-toggle input[type="checkbox"] {
    accent-color: var(--accent);
    width: 15px;
    height: 15px;
    cursor: pointer;
}

/* 图片上传预览区 */
.post-image-preview {
    margin-top: 8px;
    text-align: left;
}

.post-image-preview .post-preview-img {
    max-width: 240px;
    max-height: 180px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    object-fit: contain;
}

/* 发布表单卡片 */
.post-form-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    text-align: left;
}

.post-form-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 14px;
}

.post-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.form-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    accent-color: var(--accent);
    width: 15px;
    height: 15px;
    cursor: pointer;
}

.file-input-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.file-input-wrapper input[type="file"] {
    font-size: 0.85rem;
    color: var(--text-secondary);
    max-width: 260px;
}

.file-input-wrapper input[type="file"]::file-selector-button {
    padding: 7px 14px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-color);
    font-size: 0.82rem;
    cursor: pointer;
    margin-right: 10px;
    transition: border-color 0.2s, color 0.2s;
}

.file-input-wrapper input[type="file"]::file-selector-button:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.post-preview-img {
    max-width: 240px;
    max-height: 180px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-top: 6px;
    object-fit: contain;
}

.post-message {
    min-height: 20px;
    font-size: 0.85rem;
    color: var(--danger);
}

/* 作品卡片 */
.community-feed {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.post-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: border-color 0.2s, box-shadow 0.2s;
    text-align: left;
    display: flex;
    flex-direction: column;
}

.post-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
}

.post-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-color);
}

.post-author {
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--text-color);
}

.post-time {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.post-card-image {
    position: relative;
    background: var(--bg-secondary);
    cursor: pointer;
}

.post-card-image img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s;
}

.post-card-image img:hover {
    transform: scale(1.02);
}

.post-caption {
    padding: 10px 14px 0;
    font-size: 0.9rem;
    color: var(--text-color);
    line-height: 1.6;
    word-break: break-word;
}

.post-device {
    padding: 4px 14px 0;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.post-card-actions {
    display: flex;
    gap: 6px;
    align-items: center;
    padding: 10px 14px;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.action-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 100px;
    padding: 5px 12px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.action-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.action-btn.liked {
    border-color: #f43f5e;
    color: #f43f5e;
    background: rgba(244, 63, 94, 0.08);
}

.action-btn.danger:hover {
    border-color: var(--danger);
    color: var(--danger);
}

/* 评论 */
.post-comments {
    border-top: 1px solid var(--border-color);
    padding: 12px 14px;
    background: var(--bg-secondary);
}

.comments-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 10px;
    max-height: 220px;
    overflow-y: auto;
}

.comment-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 0.82rem;
    line-height: 1.5;
}

.comment-author {
    font-weight: 600;
    color: var(--accent);
    margin-right: 6px;
}

.comment-text {
    color: var(--text-color);
    word-break: break-word;
}

.comment-time {
    display: block;
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-top: 3px;
}

.no-comments {
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-align: center;
    padding: 10px;
}

.comment-form {
    display: flex;
    gap: 8px;
}

.comment-form input {
    flex: 1;
    padding: 7px 12px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    color: var(--text-color);
    font-size: 0.85rem;
}

.comment-form input:focus {
    outline: none;
    border-color: var(--accent);
}

/* 灯箱预览 */
.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.2s;
}

.lightbox-overlay img {
    max-width: 92%;
    max-height: 88%;
    border-radius: 8px;
    object-fit: contain;
    box-shadow: var(--shadow-lg);
}

.lightbox-close {
    position: fixed;
    top: 20px;
    right: 28px;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: #fff;
    font-size: 2rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    line-height: 1;
    transition: background 0.2s;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ========== 管理条例弹窗 ========== */
.rules-modal {
    max-width: 640px;
    width: 94%;
}

.rules-body {
    max-height: 52vh;
    overflow-y: auto;
    text-align: left;
}

.rules-preface {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 14px;
}

.rules-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.rule-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 14px;
}

.rule-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 6px;
}

.rule-num {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-width: 24px;
    height: 24px;
    background: var(--accent);
    color: #fff;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
}

.rule-content {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
    padding-left: 32px;
    white-space: pre-wrap;
}

.rules-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 14px;
    margin-top: 4px;
}

.rules-version {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 10px;
}

.rules-ack {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-color);
    margin-bottom: 14px;
    cursor: pointer;
}

.rules-ack input[type="checkbox"] {
    accent-color: var(--accent);
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.rules-actions {
    display: flex;
    justify-content: center;
    gap: 10px;
}

/* ========== 管理后台补充 ========== */
.btn-warn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--warning);
    color: #fff;
    border: 1px solid var(--warning);
    padding: 5px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    line-height: 1.4;
    transition: opacity 0.2s;
}

.btn-warn:hover {
    opacity: 0.88;
}

.warn-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 100px;
    background: rgba(244, 63, 94, 0.12);
    color: #f43f5e;
    font-size: 0.75rem;
    font-weight: 600;
}

.post-thumb-link {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.82rem;
}

.post-thumb-link:hover {
    text-decoration: underline;
}

/* ========== 响应式补充 ========== */
@media (max-width: 768px) {
    #typewriterText {
        font-size: 1rem;
    }

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

    .post-card-image img {
        height: 220px;
    }

    .file-input-wrapper input[type="file"] {
        max-width: 100%;
    }
}

/* ========== 发布设备选择器 ========== */
.device-selector-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin-top: 8px;
}

.device-selector-row .form-select {
    flex: 1;
    min-width: 180px;
    max-width: 280px;
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-color);
    font-size: 0.85rem;
}

.device-selector-row .form-input {
    flex: 1;
    min-width: 200px;
    max-width: 300px;
}

.form-tip {
    margin: 8px 0 0;
    font-size: 0.78rem;
    color: var(--text-secondary);
    opacity: 0.85;
}

/* ========== 无图文字帖 ========== */
.text-only-post {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 90px;
    background: linear-gradient(135deg, var(--accent-soft), transparent);
    border-radius: 8px;
    margin-bottom: 4px;
}

.text-post-badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 100px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
}

/* ========== 被警告提醒条 ========== */
.warn-reminder {
    max-width: 960px;
    margin: 12px auto 0;
    padding: 10px 18px;
    background: #fff7ed;
    border: 1px solid #f97316;
    border-radius: 8px;
    color: #9a3412;
    font-size: 0.85rem;
    font-weight: 500;
    text-align: center;
    box-shadow: 0 2px 8px rgba(249, 115, 22, 0.12);
    animation: warnSlideIn 0.4s ease;
}

.warn-reminder.danger {
    background: #fef2f2;
    border-color: #ef4444;
    color: #991b1b;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.15);
}

@keyframes warnSlideIn {
    from {
        transform: translateY(-8px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

body.dark-theme .warn-reminder {
    background: #451a03;
    border-color: #f97316;
    color: #fdba74;
}

body.dark-theme .warn-reminder.danger {
    background: #450a0a;
    border-color: #ef4444;
    color: #fca5a5;
}

/* ========== 社区图片滚动特效 ========== */
.community-feed .post-card {
    overflow: hidden;
}

.community-feed .post-card-image {
    overflow: hidden;
    border-radius: 8px;
}

.community-feed .post-card-image img {
    display: block;
    width: 100%;
    height: 260px;
    object-fit: cover;
    transform-origin: center center;
    animation: postImageReveal 0.8s ease both;
    transition: transform 0.45s ease, filter 0.45s ease;
}

.community-feed .post-card:hover .post-card-image img {
    transform: scale(1.06) rotate(0.5deg);
    filter: brightness(1.05);
}

@keyframes postImageReveal {
    0% {
        transform: scale(1.08);
        opacity: 0.2;
        filter: blur(3px);
    }
    60% {
        opacity: 1;
    }
    100% {
        transform: scale(1);
        opacity: 1;
        filter: blur(0);
    }
}