/* ===== 720全景工坊 Layui 扁平化蓝色主题覆盖 ===== */
/* 基于 Layui 2.13.x 默认绿色主题 → 蓝色扁平化设计 */

/* ============================================
   1. CSS 变量定义（设计令牌）
   ============================================ */
:root {
    --pt-primary: #4F6EF7;
    --pt-primary-dark: #3B57D9;
    --pt-primary-light: #E8EDFF;
    --pt-primary-hover: #6B85FF;
    --pt-accent: #F59E0B;
    --pt-success: #10B981;
    --pt-danger: #EF4444;
    --pt-warning: #F59E0B;
    --pt-info: #6B7280;
    --pt-bg: #F3F4F6;
    --pt-bg-white: #FFFFFF;
    --pt-text: #1F2937;
    --pt-text-secondary: #6B7280;
    --pt-text-muted: #9CA3AF;
    --pt-border: #E5E7EB;
    --pt-border-light: #F3F4F6;
    --pt-shadow: 0 1px 3px rgba(0,0,0,0.06);
    --pt-shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --pt-radius: 10px;
    --pt-radius-sm: 8px;
    --pt-radius-lg: 14px;
    --pt-radius-xs: 6px;
    --pt-radius-pill: 20px;
    /* 恒定胶囊专用半径（多分类/筛选/排序/通知标签 + 顶部搜索框）：不随 data-tune 档位收敛（刻意区别于 --pt-radius-pill） */
    --pt-radius-capsule: 20px;
    --pt-transition: all 0.2s ease;
}

/* ============================================
   2. 全局基础覆盖
   ============================================ */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--pt-bg);
    color: var(--pt-text);
}

/* ============================================
   3. 按钮覆盖 (.layui-btn)
   ============================================ */
.layui-btn {
    border-radius: var(--pt-radius-sm) !important;
    font-weight: 500;
    transition: var(--pt-transition);
    height: 38px;
    line-height: 38px;
}
.layui-btn-primary,
.layui-btn {
    background: var(--pt-primary) !important;
    border-color: var(--pt-primary) !important;
    color: #fff !important;
}
.layui-btn:hover, .layui-btn-primary:hover {
    background: var(--pt-primary-dark) !important;
    border-color: var(--pt-primary-dark) !important;
}
.layui-btn-normal {
    background: var(--pt-primary) !important;
    border-color: var(--pt-primary) !important;
}
.layui-btn-warm {
    background: var(--pt-accent) !important;
    border-color: var(--pt-accent) !important;
}
/* banner 深色底上的按钮变体：用 !important 压过全局 .layui-btn 的 !important（内联样式会被后者覆盖），
   避免蓝底蓝按钮无对比。定义顺序在 .layui-btn 之后，同特异度下后者胜出。
   text-shadow:none：白底按钮会继承 banner 容器的文字阴影，蓝字后透出灰影需清除 */
.pt-btn-light { background: #fff !important; color: var(--pt-primary) !important; border-color: #fff !important; font-weight: 600; text-shadow: none; }
.pt-btn-light:hover { background: #F0F0F0 !important; border-color: #F0F0F0 !important; color: var(--pt-primary-dark) !important; }
/* 深色 banner（图片/蓝底）上的幽灵按钮：白字白描边。与用于浅色背景的 .pt-btn-ghost 区分，勿混用 */
.pt-btn-ghost-dark { background: transparent !important; color: #fff !important; border: 1px solid rgba(255,255,255,0.65) !important; }
.pt-btn-ghost-dark:hover { background: rgba(255,255,255,0.14) !important; border-color: rgba(255,255,255,0.9) !important; color: #fff !important; }
.layui-btn-danger {
    background: var(--pt-danger) !important;
    border-color: var(--pt-danger) !important;
}
.layui-btn-disabled, .layui-btn[disabled] {
    opacity: 0.5 !important;
    cursor: not-allowed;
}
/* 线框按钮 */
.pt-btn-outline {
    background: transparent !important;
    color: var(--pt-primary) !important;
    border: 1.5px solid var(--pt-primary) !important;
}
.pt-btn-outline:hover {
    background: var(--pt-primary-light) !important;
}
/* 幽灵按钮 */
.pt-btn-ghost {
    background: transparent !important;
    color: var(--pt-text-secondary) !important;
    border: 1.5px solid var(--pt-border) !important;
}
.pt-btn-ghost:hover {
    background: var(--pt-border-light) !important;
    color: var(--pt-text) !important;
    border-color: var(--pt-border) !important;
}
/* 行内紧凑按钮：theme.css 的 .layui-btn 把高度锁为 38px，会连带把 xs 按钮撑大，需显式重定义（与 .layui-btn 同特异性、源码在后故生效） */
.layui-btn-xs { height: 26px; line-height: 26px; padding: 0 9px; font-size: 12px; border-radius: var(--pt-radius-xs) !important; }
.layui-btn-sm { height: 30px; line-height: 30px; padding: 0 12px; font-size: 13px; }
.layui-btn-lg { height: 44px; line-height: 44px; padding: 0 24px; font-size: 15px; }
.layui-btn-group .layui-btn { border-radius: 0 !important; }
.layui-btn-group .layui-btn:first-child { border-radius: var(--pt-radius-sm) 0 0 var(--pt-radius-sm) !important; }
.layui-btn-group .layui-btn:last-child { border-radius: 0 var(--pt-radius-sm) var(--pt-radius-sm) 0 !important; }

/* ============================================
   4. 表单覆盖 (.layui-form / .layui-input)
   ============================================ */
.layui-input, .layui-textarea, .layui-select {
    border: 1.5px solid var(--pt-border) !important;
    border-radius: var(--pt-radius-sm) !important;
    height: 40px;
    line-height: 40px;
    font-size: 14px;
    color: var(--pt-text);
    transition: var(--pt-transition);
    outline: none;
}
.layui-input:focus, .layui-textarea:focus, .layui-select:focus {
    border-color: var(--pt-primary) !important;
    box-shadow: 0 0 0 3px var(--pt-primary-light) !important;
}
.layui-input::placeholder { color: var(--pt-text-muted); }
.layui-textarea {
    min-height: 80px;
    line-height: 1.6;
    height: auto;
}
.layui-form-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--pt-text-secondary);
    padding: 9px 0;
    width: auto;
}
.layui-form-item { margin-bottom: 16px; }
:where(.layui-input-block) { margin-left: 0; }
/* 开关 */
.layui-form-switch {
    border-radius: var(--pt-radius-capsule) !important;
    border: 2px solid var(--pt-border) !important;
    background: var(--pt-border) !important;
    margin-top: 4px;
}
.layui-form-onswitch {
    background: var(--pt-primary) !important;
    border-color: var(--pt-primary) !important;
}
/* 复选框 */
.layui-form-checkbox[lay-skin="primary"] i {
    border-radius: 4px !important;
}
.layui-form-checked[lay-skin="primary"] i {
    background: var(--pt-primary) !important;
    border-color: var(--pt-primary) !important;
}
/* 单选框 */
.layui-form-radio i {
    color: var(--pt-primary) !important;
}
/* 下拉框 */
.layui-form-select dl {
    border-radius: var(--pt-radius-sm) !important;
    border: 1px solid var(--pt-border) !important;
    box-shadow: var(--pt-shadow-md) !important;
    margin-top: 4px;
}
.layui-form-select dl dd.layui-this {
    background: var(--pt-primary-light) !important;
    color: var(--pt-primary) !important;
}
.layui-form-select dl dd:hover {
    background: var(--pt-border-light) !important;
}
.layui-form-select .layui-input {
    border-radius: var(--pt-radius-sm) !important;
}

/* ============================================
   5. 导航覆盖 (.layui-nav)
   ============================================ */
.layui-nav {
    background: transparent !important;
}
/* 彻底隐藏 Layui 默认底部滑动指示条 */
.layui-nav-bar {
    display: none !important;
}
.layui-nav .layui-nav-item {
    line-height: 60px;
}
.layui-nav .layui-nav-item a {
    color: var(--pt-text-secondary) !important;
    font-size: 14px;
    font-weight: 500;
    padding: 0 12px;
    height: 60px;
    line-height: 60px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: var(--pt-transition);
}
.layui-nav .layui-nav-item a:hover {
    color: var(--pt-primary) !important;
    background: var(--pt-primary-light) !important;
}
.layui-nav .layui-this,
.layui-nav .layui-nav-item.layui-this a {
    color: var(--pt-primary) !important;
    background: var(--pt-primary-light) !important;
}
/* 隐藏所有 after 指示线 */
.layui-nav .layui-this::after,
.layui-nav .layui-nav-item::after,
.layui-nav-item a::after {
    display: none !important;
    border: none !important;
}
/* 顶部导航栏容器 */
.pt-topbar {
    background: var(--pt-bg-white);
    border-bottom: 1px solid var(--pt-border);
    height: 60px;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}
.pt-topbar .layui-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}
.pt-topbar .layui-nav {
    padding: 0;
}
.pt-brand {
    font-size: 20px;
    font-weight: 700;
    color: var(--pt-primary) !important;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.pt-brand:hover { opacity: 0.85; }
.pt-brand .layui-icon { font-size: 22px; }

/* 搜索框 */
.pt-search-box {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--pt-bg);
    border: 1.5px solid var(--pt-border);
    border-radius: var(--pt-radius-capsule);
    transition: var(--pt-transition);
}
.pt-search-box:focus-within {
    border-color: var(--pt-primary);
    background: var(--pt-bg-white);
    box-shadow: 0 0 0 3px var(--pt-primary-light);
}
.pt-search-box .layui-icon {
    color: var(--pt-text-muted);
    font-size: 14px;
}
.pt-search-box input {
    border: none;
    outline: none;
    background: transparent;
    font-size: 13px;
    color: var(--pt-text);
    width: 120px;
}
.pt-search-box input::placeholder {
    color: var(--pt-text-muted);
}

/* ============================================
   6. 卡片覆盖 (.layui-card)
   ============================================ */
.layui-card {
    border: 1px solid var(--pt-border) !important;
    border-radius: var(--pt-radius) !important;
    box-shadow: none !important;
    transition: var(--pt-transition);
    overflow: hidden;
    margin-bottom: 0;
}
.layui-card:hover {
    box-shadow: var(--pt-shadow-md) !important;
    border-color: #D1D5DB !important;
}
.layui-card-header {
    border-bottom: 1px solid var(--pt-border) !important;
    font-weight: 600;
    font-size: 14px;
    padding: 14px 16px;
    height: auto;
    line-height: 1.5;
}
.layui-card-body {
    padding: 16px;
}

/* ============================================
   7. 表格覆盖 (.layui-table)
   ============================================ */
.layui-table {
    border-radius: var(--pt-radius) !important;
    overflow: hidden;
}
.layui-table thead tr {
    background: var(--pt-bg) !important;
}
.layui-table th {
    background: var(--pt-bg) !important;
    font-weight: 600;
    font-size: 12px;
    color: var(--pt-text-secondary) !important;
    border-bottom: 1px solid var(--pt-border) !important;
    padding: 12px 16px;
}
.layui-table td {
    padding: 10px 16px;
    color: var(--pt-text);
    border-bottom: 1px solid var(--pt-border-light) !important;
}
.layui-table tr:hover td {
    background: var(--pt-border-light) !important;
}
.layui-table-view {
    border: 1px solid var(--pt-border) !important;
    border-radius: var(--pt-radius) !important;
}

/* ============================================
   8. Tab 选项卡覆盖 (.layui-tab)
   ============================================ */
.layui-tab { margin: 0; }
.layui-tab-title { border-bottom: 1px solid var(--pt-border); }
.layui-tab-title li {
    font-size: 14px;
    font-weight: 500;
    color: var(--pt-text-secondary);
    padding: 0 20px;
    height: 44px;
    line-height: 44px;
    transition: var(--pt-transition);
}
.layui-tab-title li:hover {
    color: var(--pt-primary) !important;
}
.layui-tab-title .layui-this {
    color: var(--pt-primary) !important;
}
.layui-tab-title .layui-this::after {
    border-bottom: 2px solid var(--pt-primary) !important;
}
.layui-tab-brief > .layui-tab-title .layui-this::after {
    border-bottom-color: var(--pt-primary) !important;
}
.layui-tab-content { padding: 16px 0; }
.layui-tab-item { display: none; }
.layui-tab-item.layui-show { display: block; }

/* ============================================
   9. 徽章/标签覆盖 (.layui-badge)
   ============================================ */
.layui-badge, .layui-badge-rim {
    border-radius: var(--pt-radius-capsule) !important;
    font-size: 11px !important;
    font-weight: 600;
    padding: 2px 8px !important;
    height: auto;
    line-height: 1.5;
}
.layui-badge {
    /* 默认底色（无内联覆盖时）；不加 !important，以便页面内联 style 可按语义着色（如主页计数徽章用主题浅蓝/浅灰、状态徽章用成功/警告色） */
    background: var(--pt-danger);
}
.layui-badge-rim {
    border: 1px solid var(--pt-border) !important;
    color: var(--pt-text-secondary) !important;
    background: var(--pt-border-light) !important;
}
/* 自定义标签样式 */
.pt-tag {
    display: inline-block;
    padding: 5px 14px;
    border-radius: var(--pt-radius-capsule);
    font-size: 13px;
    font-weight: 500;
    background: var(--pt-border-light);
    color: var(--pt-text-secondary);
    cursor: pointer;
    transition: var(--pt-transition);
    border: none;
}
.pt-tag:hover, .pt-tag.active {
    background: var(--pt-primary);
    color: #fff;
}

/* ============================================
   10. 弹层覆盖 (layer)
   ============================================ */
.layui-layer {
    border-radius: var(--pt-radius-lg) !important;
    overflow: hidden;
}
.layui-layer-title {
    border-bottom: 1px solid var(--pt-border) !important;
    font-weight: 600;
    font-size: 15px;
}
.layui-layer-btn a {
    border-radius: var(--pt-radius-sm) !important;
    font-weight: 500;
}
.layui-layer-btn .layui-layer-btn0 {
    background: var(--pt-primary) !important;
    border-color: var(--pt-primary) !important;
}
.layui-layer-msg { border-radius: var(--pt-radius) !important; }

/* ============================================
   11. 进度条覆盖
   ============================================ */
.layui-progress-bar {
    border-radius: 3px !important;
    background: var(--pt-primary) !important;
}
.layui-progress { border-radius: 3px !important; }

/* ============================================
   12. 分页覆盖
   ============================================ */
.layui-laypage a, .layui-laypage span {
    border-radius: var(--pt-radius-sm) !important;
    margin: 0 2px;
}
.layui-laypage .layui-laypage-curr .layui-laypage-emod,
.layui-laypage .layui-laypage-curr em {
    background: var(--pt-primary) !important;
    border-radius: var(--pt-radius-sm) !important;
}
.layui-laypage a:hover {
    color: var(--pt-primary) !important;
}

/* ============================================
   13. 面包屑覆盖
   ============================================ */
.layui-breadcrumb a { color: var(--pt-primary) !important; }
.layui-breadcrumb a:hover { color: var(--pt-primary-dark) !important; }

/* ============================================
   14. 侧边导航树 (.layui-nav-tree)
   ============================================ */
.layui-nav-tree .layui-nav-item a {
    padding: 10px 16px !important;
    border-radius: var(--pt-radius-sm) !important;
    margin: 2px 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.layui-nav-tree .layui-nav-item a .layui-icon {
    font-size: 16px;
}
.layui-nav-tree .layui-this a {
    background: var(--pt-primary-light) !important;
    color: var(--pt-primary) !important;
}
.layui-nav-tree {
    background: transparent !important;
    padding: 8px 0;
}

/* ============================================
   15. 折叠面板覆盖
   ============================================ */
.layui-collapse {
    border: 1px solid var(--pt-border) !important;
    border-radius: var(--pt-radius) !important;
}
.layui-colla-item { border-top: 1px solid var(--pt-border) !important; }
.layui-colla-title {
    font-weight: 600;
    font-size: 14px;
    background: transparent !important;
}
.layui-colla-content { padding: 12px 16px; }

/* ============================================
   16. 步骤条覆盖 (自定义实现)
   ============================================ */
.pt-step {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 28px;
}
.pt-step-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--pt-text-muted);
}
.pt-step-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid var(--pt-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
}
.pt-step-item.active { color: var(--pt-primary); }
.pt-step-item.active .pt-step-num {
    border-color: var(--pt-primary);
    background: var(--pt-primary);
    color: #fff;
}
.pt-step-item.done .pt-step-num {
    border-color: var(--pt-success);
    background: var(--pt-success);
    color: #fff;
}
.pt-step-line {
    width: 48px;
    height: 2px;
    background: var(--pt-border);
    margin: 0 8px;
}
.pt-step-line.done { background: var(--pt-success); }

/* ============================================
   17. 通用工具类
   ============================================ */
.pt-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.pt-flex { display: flex; }
.pt-flex-center { display: flex; align-items: center; justify-content: center; }
.pt-flex-between { display: flex; align-items: center; justify-content: space-between; }
.pt-gap-8 { gap: 8px; }
.pt-gap-12 { gap: 12px; }
.pt-gap-16 { gap: 16px; }
.pt-gap-24 { gap: 24px; }
/* gap 容器内的相邻按钮间距统一由 gap 控制，抵消 layui 默认 .layui-btn+.layui-btn{margin-left:10px} 造成的间距叠加 */
.pt-gap-8 > .layui-btn + .layui-btn,
.pt-gap-12 > .layui-btn + .layui-btn,
.pt-gap-16 > .layui-btn + .layui-btn,
.pt-gap-24 > .layui-btn + .layui-btn { margin-left: 0; }
.pt-mt-8 { margin-top: 8px; }
.pt-mt-16 { margin-top: 16px; }
.pt-mt-24 { margin-top: 24px; }
.pt-mb-16 { margin-bottom: 16px; }
.pt-mb-24 { margin-bottom: 24px; }
.pt-text-center { text-align: center; }
.pt-text-sm { font-size: 13px; }
.pt-text-muted { color: var(--pt-text-muted); }
.pt-text-secondary { color: var(--pt-text-secondary); }

/* Hero 区 */
.pt-hero {
    background: linear-gradient(135deg, var(--pt-primary) 0%, #818CF8 100%);
    color: #fff;
    padding: 60px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.pt-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Ccircle cx='50' cy='50' r='40' fill='none' stroke='%23ffffff' stroke-opacity='0.05' stroke-width='1'/%3E%3Ccircle cx='50' cy='50' r='25' fill='none' stroke='%23ffffff' stroke-opacity='0.04' stroke-width='1'/%3E%3Ccircle cx='50' cy='50' r='10' fill='none' stroke='%23ffffff' stroke-opacity='0.03' stroke-width='1'/%3E%3C/svg%3E");
    background-size: 200px 200px;
}
.pt-hero::after {
    /* 底部涟漪波纹收边（用户对比后选定回原始波纹方案） */
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 60px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 60'%3E%3Cpath fill='%23F3F4F6' d='M0,32L48,34.7C96,37,192,43,288,42.7C384,43,480,37,576,34.7C672,32,768,35,864,37.3C960,40,1056,43,1152,40C1248,37,1344,29,1392,24L1440,21L1440,60L1392,60C1344,60,1248,60,1152,60C1056,60,960,60,864,60C768,60,672,60,576,60C480,60,384,60,288,60C192,60,96,60,48,60L0,60Z'/%3E%3C/svg%3E") no-repeat bottom center;
    background-size: cover;
}
.pt-hero > * { position: relative; z-index: 1; }
/* ===== 图片 banner 动态背景：Ken Burns 缓转（钟摆式 ±3° 来回轻旋+微缩放，仅模块页，首页保持静止），配合各 banner ::before 图片层使用 ===== */
@keyframes pt-kb-drift {
    0%   { transform: rotate(-3deg) scale(1.02); }
    100% { transform: rotate(3deg) scale(1.08); }
}
@media (prefers-reduced-motion: reduce) {
    .pt-hero-pattern::before, .case-hero::before, .community-hero::before, .cr-banner::before, .bbs-sec-hero-plain::before { animation: none; }
}
.pt-hero h1 { font-size: 36px; font-weight: 800; margin-bottom: 12px; }
.pt-hero p { font-size: 16px; opacity: 0.9; max-width: 500px; margin: 0 auto 24px; }
.pt-hero .layui-btn { background: #fff !important; color: var(--pt-primary) !important; border-color: #fff !important; font-weight: 600; }
.pt-hero .layui-btn:hover { background: #F0F0F0 !important; }

/* 首页 Banner 全景预览背景层（仅后台设置了 Banner 作品且桌面端时由 JS 注入 /banner 纯净页 iframe）。
   默认透明(opacity:0)，全景加载完成后由 JS 给 .pt-hero 加 pt-hero--pano-loaded 淡入，避免加载期间黑底闪现。 */
.pt-hero-bg { position: absolute; inset: 0; z-index: 0; overflow: hidden; opacity: 0; transition: opacity .8s ease; }
.pt-hero-bg iframe { width: 100%; height: 100%; border: 0; display: block; transform: scale(1.05); }
/* 遮罩：仅在顶部为标题文字提供对比度，向下渐变至完全透明；用中性黑半透明而非品牌蓝，避免顶部泛蓝 */
.pt-hero-scrim { position: absolute; inset: 0; z-index: 1; pointer-events: none; opacity: 0; transition: opacity .8s ease;
    background: linear-gradient(180deg, rgba(0,0,0,.45) 0%, rgba(0,0,0,.22) 45%, rgba(0,0,0,0) 82%); }
/* 全景就绪后同步淡入背景与遮罩；未就绪时露出首页原始渐变+同心圆花纹背景 */
.pt-hero--pano-loaded .pt-hero-bg { opacity: 1; }
.pt-hero--pano-loaded .pt-hero-scrim { opacity: 1; }
.pt-hero > .layui-container { position: relative; z-index: 2; }
/* Banner 态：文字容器不拦截鼠标，使全景可拖拽环视；仅按钮/链接保持可点 */
.pt-hero--pano > .layui-container { pointer-events: none; }
.pt-hero--pano .layui-container a,
.pt-hero--pano .layui-container .layui-btn { pointer-events: auto; }

/* 通用 Hero 花纹背景：叠加到任意 banner 类上即可获得同心圆花纹，底部与首页一致采用微弧收边。
   要求宿主 banner 自带背景且 overflow:hidden。 */
.pt-hero-pattern { position: relative; overflow: hidden; }
.pt-hero-pattern::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Ccircle cx='50' cy='50' r='40' fill='none' stroke='%23ffffff' stroke-opacity='0.05' stroke-width='1'/%3E%3Ccircle cx='50' cy='50' r='25' fill='none' stroke='%23ffffff' stroke-opacity='0.04' stroke-width='1'/%3E%3Ccircle cx='50' cy='50' r='10' fill='none' stroke='%23ffffff' stroke-opacity='0.03' stroke-width='1'/%3E%3C/svg%3E");
    background-size: 200px 200px;
}
.pt-hero-pattern::after {
    /* 底部涟漪波纹收边：颜色可用 --pt-hero-wave 覆盖（如社区下方为白底），默认页面灰底 */
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--pt-hero-wave, var(--pt-bg, #F3F4F6));
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 60'%3E%3Cpath fill='%23000' d='M0,32L48,34.7C96,37,192,43,288,42.7C384,43,480,37,576,34.7C672,32,768,35,864,37.3C960,40,1056,43,1152,40C1248,37,1344,29,1392,24L1440,21L1440,60L1392,60C1344,60,1248,60,1152,60C1056,60,960,60,864,60C768,60,672,60,576,60C480,60,384,60,288,60C192,60,96,60,48,60L0,60Z'/%3E%3C/svg%3E") no-repeat bottom center;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 60'%3E%3Cpath fill='%23000' d='M0,32L48,34.7C96,37,192,43,288,42.7C384,43,480,37,576,34.7C672,32,768,35,864,37.3C960,40,1056,43,1152,40C1248,37,1344,29,1392,24L1440,21L1440,60L1392,60C1344,60,1248,60,1152,60C1056,60,960,60,864,60C768,60,672,60,576,60C480,60,384,60,288,60C192,60,96,60,48,60L0,60Z'/%3E%3C/svg%3E") no-repeat bottom center;
    -webkit-mask-size: cover;
    mask-size: cover;
    pointer-events: none;
}
.pt-hero-pattern > * { position: relative; z-index: 1; }

/* 通用 CTA 横幅（品牌渐变 + 点阵花纹，区别于 Hero 的同心圆花纹） */
.pt-cta-band { position: relative; overflow: hidden; background: linear-gradient(135deg, var(--pt-primary) 0%, #818CF8 100%); border-radius: var(--pt-radius); color: #fff; padding: 44px 24px; text-align: center; }
.pt-cta-band::before { content: ''; position: absolute; inset: 0; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='22' height='22'%3E%3Ccircle cx='2' cy='2' r='1.5' fill='%23ffffff' fill-opacity='0.08'/%3E%3C/svg%3E"); background-size: 22px 22px; }
.pt-cta-band > * { position: relative; z-index: 1; }
.pt-cta-band h2 { font-size: 26px; font-weight: 800; margin-bottom: 10px; }
.pt-cta-band p { opacity: .9; font-size: 15px; margin-bottom: 22px; }
.pt-cta-band .btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.pt-cta-band .layui-btn { margin: 0; }

/* 统计数字 */
.pt-stat-num { font-size: 28px; font-weight: 800; color: var(--pt-primary); }
.pt-stat-label { font-size: 13px; color: var(--pt-text-muted); }

/* 新手三步上手 */
.pt-steps { display: flex; align-items: stretch; gap: 8px; }
.pt-step { flex: 1; display: flex; gap: 14px; padding: 22px; background: var(--pt-bg-white); border: 1px solid var(--pt-border); border-radius: var(--pt-radius); transition: transform .18s ease, box-shadow .18s ease; }
.pt-step:hover { transform: translateY(-3px); box-shadow: 0 10px 26px rgba(17,24,39,.08); }
.pt-step-no { flex-shrink: 0; width: 34px; height: 34px; border-radius: 50%; background: var(--pt-primary); color: #fff; font-weight: 800; font-size: 16px; display: flex; align-items: center; justify-content: center; }
.pt-step-body { min-width: 0; }
.pt-step-body > i { font-size: 26px; color: var(--pt-primary); display: block; margin-bottom: 8px; }
.pt-step-body h3 { font-size: 16px; font-weight: 700; margin: 0 0 6px; color: var(--pt-text); }
.pt-step-body p { font-size: 13px; line-height: 1.7; color: var(--pt-text-muted); margin: 0; }
.pt-step-arrow { display: flex; align-items: center; color: var(--pt-text-muted); font-size: 20px; flex-shrink: 0; }
@media (max-width: 900px) {
    .pt-steps { flex-direction: column; }
    .pt-step-arrow { display: none; }
}

/* 新手引导弹窗 checklist */
.pt-obs { padding: 18px 20px 16px; }
.pt-obs-head { font-size: 14px; color: var(--pt-text-secondary); line-height: 1.6; margin-bottom: 14px; }
.pt-obs-item { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid var(--pt-border); border-radius: var(--pt-radius-sm); margin-bottom: 10px; text-decoration: none; color: inherit; transition: background .15s ease, border-color .15s ease; }
.pt-obs-item:hover { background: #f7f8fc; border-color: var(--pt-primary); }
.pt-obs-item > .layui-icon:first-child { font-size: 22px; flex-shrink: 0; }
.pt-obs-txt { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.pt-obs-txt b { font-size: 14px; color: var(--pt-text); }
.pt-obs-txt em { font-size: 12px; font-style: normal; color: var(--pt-text-muted); margin-top: 2px; }
.pt-obs-arrow { color: var(--pt-text-muted); font-size: 14px; }
.pt-obs-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 16px; }
.pt-obs-skip { font-size: 13px; color: var(--pt-text-muted); cursor: pointer; }
.pt-obs-skip:hover { color: var(--pt-text-secondary); }

/* 卡片图片占位 */
.pt-card-img {
    position: relative;
    overflow: hidden;
    width: 100%;
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
}

/* 封面骨架屏：无封面或封面加载失败时的“加载中”微光占位（全局可用，门户/控制台通用） */
.pt-skeleton {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(100deg, #e8ebf0 40%, #f6f7f9 50%, #e8ebf0 60%);
    background-size: 200% 100%;
    animation: pt-shimmer 1.4s ease-in-out infinite;
    color: #c2c8d2; font-size: 34px;
}
@keyframes pt-shimmer {
    0% { background-position: 100% 0; }
    100% { background-position: -100% 0; }
}
/* 封面图：覆盖在骨架屏之上，加载失败时隐藏露出骨架 */
.pt-card-cover { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

/* 专业 SVG 图标（sprite 引用 /images/icons.svg）：描边风格、随字号缩放、继承当前色 */
.pt-svg-ico { width: 1em; height: 1em; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; vertical-align: -0.125em; flex-shrink: 0; }

/* 社区热帖行（首页/创作者页共用） */
.pt-post-row { display: flex; gap: 10px; padding: 12px 0; border-bottom: 1px solid var(--pt-border-light); color: inherit; }
.pt-post-row:last-child { border-bottom: none; }
.pt-post-idx { width: 22px; height: 22px; border-radius: 6px; background: #EEF2FF; color: #6366F1; font-size: 12px; font-weight: 800; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.pt-post-title { font-size: 14px; font-weight: 600; color: var(--pt-text); }
.pt-post-meta { font-size: 12px; color: var(--pt-text-muted); margin-top: 4px; }
.pt-card-title { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.pt-card-meta { font-size: 12px; color: var(--pt-text-muted); display: flex; align-items: center; gap: 12px; }
.pt-card-meta .layui-icon { font-size: 14px; margin-right: 2px; }

/* 认证页面 */
.pt-auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.pt-auth-card {
    background: var(--pt-bg-white);
    border: 1px solid var(--pt-border);
    border-radius: var(--pt-radius-lg);
    padding: 40px;
    width: 100%;
    max-width: 420px;
}
.pt-auth-card h1 { font-size: 24px; font-weight: 700; margin-bottom: 4px; }
.pt-auth-card p { color: var(--pt-text-secondary); font-size: 14px; margin-bottom: 24px; }
.pt-auth-divider {
    display: flex; align-items: center; gap: 12px;
    margin: 20px 0; color: var(--pt-text-muted); font-size: 12px;
}
.pt-auth-divider::before, .pt-auth-divider::after { content: ''; flex: 1; height: 1px; background: var(--pt-border); }
.pt-social-btn {
    flex: 1; padding: 10px; border: 1.5px solid var(--pt-border);
    border-radius: var(--pt-radius-sm); background: var(--pt-bg-white);
    font-size: 14px; cursor: pointer; text-align: center;
    transition: var(--pt-transition);
}
.pt-social-btn:hover { border-color: var(--pt-primary); background: var(--pt-primary-light); }

/* 头像 */
.pt-avatar {
    width: 72px; height: 72px; border-radius: 50%;
    background: var(--pt-primary-light); color: var(--pt-primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 28px; font-weight: 700; flex-shrink: 0;
    position: relative;
}
.pt-avatar-sm {
    width: 32px; height: 32px; font-size: 13px;
}

/* 用户下拉菜单 */
.pt-user-dropdown {
    position: absolute; top: 100%; right: 0; margin-top: 8px;
    background: var(--pt-bg-white); border: 1px solid var(--pt-border);
    border-radius: var(--pt-radius-sm); box-shadow: var(--pt-shadow-md);
    min-width: 180px; z-index: 200; padding: 6px 0; display: none;
    max-height: min(70vh, 480px); overflow-y: auto;
}
.pt-user-dropdown.open { display: block; }
.pt-user-dropdown a, .pt-user-dropdown button {
    display: flex; align-items: center; gap: 10px; width: 100%;
    padding: 10px 16px; font-size: 13px; color: var(--pt-text-secondary);
    border: none; background: transparent; cursor: pointer;
    transition: var(--pt-transition); text-align: left;
    box-sizing: border-box;
}
.pt-user-dropdown a .layui-icon,
.pt-user-dropdown button .layui-icon {
    font-size: 16px; width: 16px; text-align: center; flex-shrink: 0;
}
.pt-user-dropdown a:hover, .pt-user-dropdown button:hover {
    background: #F5F7FF; color: var(--pt-primary);
}
.pt-user-dropdown .divider { height: 1px; background: var(--pt-border); margin: 4px 0; }

/* 回到顶部 */
.pt-back-top {
    position: fixed; bottom: 24px; right: 24px;
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--pt-primary); color: #fff; border: none;
    font-size: 18px; cursor: pointer; box-shadow: var(--pt-shadow-md);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: all 0.3s; z-index: 100; pointer-events: none;
}
.pt-back-top.show { opacity: 1; pointer-events: auto; }
.pt-back-top:hover { background: var(--pt-primary-dark); }

/* 通知红点 */
.pt-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--pt-danger); position: absolute; top: 0; right: 0;
}

/* 全屏布局 */
.pt-fullpage { height: 100vh; display: flex; flex-direction: column; }
.pt-fullpage-body { flex: 1; display: flex; overflow: hidden; }

/* Footer */
.pt-footer {
    background: var(--pt-bg-white); border-top: 1px solid var(--pt-border);
    padding: 24px 0; text-align: center; color: var(--pt-text-muted); font-size: 13px;
}

/* 骨架屏 */
.pt-skeleton {
    background: linear-gradient(90deg, var(--pt-border-light) 25%, var(--pt-border) 50%, var(--pt-border-light) 75%);
    background-size: 200% 100%;
    animation: pt-skeleton-anim 1.5s infinite;
    border-radius: var(--pt-radius-sm);
}
@keyframes pt-skeleton-anim {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ===== 分页导航（.pt-pager/.pt-page）：从 pano.css 下沉，供前台与控制台共用 ===== */
.pt-pager { display: inline-flex; align-items: center; gap: 6px; flex-wrap: wrap; justify-content: center; }
.pt-page {
    min-width: 34px; height: 34px; padding: 0 10px; display: inline-flex;
    align-items: center; justify-content: center; border: 1px solid var(--pt-border);
    border-radius: var(--pt-radius-sm); background: var(--pt-bg-white);
    color: var(--pt-text-secondary); font-size: 13px; text-decoration: none;
    transition: var(--pt-transition);
}
.pt-page:hover { border-color: var(--pt-primary); color: var(--pt-primary); }
.pt-page.active { background: var(--pt-primary); border-color: var(--pt-primary); color: #fff; }
.pt-page.disabled { opacity: 0.5; pointer-events: none; }

/* ===== 媒体查看弹层（.pt-lightbox）：帖子配图 / 素材库预览共用 =====
   给弹层内容一固定的尺寸盒，layer 在打开瞬间就能量到确定宽高，
   避免图片加载完成后盒子长大、导致弹框偏离居中位置 */
.pt-lightbox {
    width: min(80vw, 900px); height: min(76vh, 720px);
    box-sizing: border-box; padding: 12px; background: #111;
    display: flex; align-items: center; justify-content: center;
}
.pt-lightbox img, .pt-lightbox video { max-width: 100%; max-height: 100%; display: block; }
.pt-lightbox-audio { width: min(80vw, 520px); box-sizing: border-box; padding: 44px 28px; background: var(--pt-bg-white); text-align: center; }
@media (max-width: 768px) {
    .pt-lightbox { width: 92vw; height: 72vh; padding: 6px; }
    .pt-lightbox-audio { width: 88vw; padding: 28px 16px; }
}

/* ===== 社区帖子正文轻量标记排版（.md-*）：详情页与发帖预览共用 ===== */
.md-heading { font-size: 17px; font-weight: 700; color: var(--pt-text); margin: 20px 0 10px; line-height: 1.5; }
h2.md-heading { font-size: 19px; }
.md-quote {
    margin: 14px 0; padding: 10px 16px; border-left: 3px solid var(--pt-primary);
    background: var(--pt-bg); border-radius: 0 var(--pt-radius-sm) var(--pt-radius-sm) 0;
    color: var(--pt-text-secondary);
}
.md-quote p { margin: 0 0 6px; }
.md-quote p:last-child { margin-bottom: 0; }
.md-list { margin: 12px 0; padding-left: 24px; }
.md-list li { margin: 4px 0; }
.md-code {
    margin: 14px 0; padding: 14px 16px; background: #1F2937; color: #E5E7EB;
    border-radius: var(--pt-radius-sm); font-size: 13px; line-height: 1.7;
    overflow-x: auto; white-space: pre-wrap; word-break: break-all;
    font-family: Consolas, Monaco, 'Courier New', monospace;
}
.md-inline-code {
    padding: 1px 6px; background: var(--pt-border-light); border-radius: 4px;
    font-size: 13px; color: var(--pt-danger);
    font-family: Consolas, Monaco, 'Courier New', monospace;
}
.md-tip {
    margin: 14px 0; padding: 12px 16px; background: #FFFBEB; border: 1px solid #FDE68A;
    border-radius: var(--pt-radius-sm); color: #92400E; font-size: 14px;
}
.md-tip::before { content: '💡 '; }
.md-tip p { margin: 0 0 6px; }
.md-tip p:last-child { margin-bottom: 0; }
.post-body a, .m-detail-body a, .md-preview a { color: var(--pt-primary); text-decoration: none; }
.post-body a:hover, .m-detail-body a:hover, .md-preview a:hover { text-decoration: underline; }

/* ============================================
   质感分档（data-tune）· 仅桌面端生效
   now=无属性（基础值，即现状）/ a=轻度收敛 / b=克制扁平（默认档）
   只调圆角/按钮层级/悬停动效，不动任何颜色
   ============================================ */
@media (min-width: 769px) {
    html[data-tune="a"] {
        --pt-radius: 6px; --pt-radius-sm: 4px; --pt-radius-lg: 8px;
        --pt-radius-xs: 4px; --pt-radius-pill: 6px;
    }
    html[data-tune="b"] {
        --pt-radius: 3px; --pt-radius-sm: 2px; --pt-radius-lg: 4px;
        --pt-radius-xs: 3px; --pt-radius-pill: 3px;
    }

    /* 按钮层级恢复：次要按钮回白底描边（现状是被 !important 刷成实心蓝） */
    html[data-tune="a"] .layui-btn-primary,
    html[data-tune="b"] .layui-btn-primary {
        background: var(--pt-bg-white) !important;
        border-color: var(--pt-border) !important;
        color: var(--pt-text) !important;
    }
    html[data-tune="a"] .layui-btn-primary:hover,
    html[data-tune="b"] .layui-btn-primary:hover {
        background: var(--pt-bg-white) !important;
        border-color: var(--pt-primary) !important;
        color: var(--pt-primary) !important;
    }

    /* Hero 区按钮不受层级恢复影响（保留透明底白字） */
    html[data-tune="a"] .pt-hero .layui-btn-primary,
    html[data-tune="b"] .pt-hero .layui-btn-primary {
        background: transparent !important;
        border-color: rgba(255,255,255,.6) !important;
        color: #fff !important;
    }
    html[data-tune="a"] .pt-hero .layui-btn-primary:hover,
    html[data-tune="b"] .pt-hero .layui-btn-primary:hover {
        background: rgba(255,255,255,.12) !important;
        border-color: rgba(255,255,255,.9) !important;
        color: #fff !important;
    }

    /* 卡片/条目悬停阴影分档：A/B 均保留抽屉式上浮，A=浅投影，B=柔投影 */
    html[data-tune="a"] .layui-card:hover { box-shadow: var(--pt-shadow) !important; border-color: var(--pt-border) !important; }
    html[data-tune="b"] .layui-card:hover { box-shadow: var(--pt-shadow-md) !important; border-color: var(--pt-border) !important; }
    html[data-tune="b"] .scene-thumb:hover { box-shadow: var(--pt-shadow-md); }
    html[data-tune="a"] .scene-thumb:hover { box-shadow: var(--pt-shadow); }
    html[data-tune="b"] .post-card:hover { box-shadow: var(--pt-shadow-md); border-color: var(--pt-border); }
    html[data-tune="a"] .post-card:hover { box-shadow: var(--pt-shadow); }
    html[data-tune="b"] .fav-card:hover { box-shadow: var(--pt-shadow-md); border-color: var(--pt-border); }
    html[data-tune="a"] .fav-card:hover { box-shadow: var(--pt-shadow); }
    html[data-tune="b"] .bbs-board-card:hover { box-shadow: var(--pt-shadow-md); }
    html[data-tune="a"] .bbs-board-card:hover { box-shadow: var(--pt-shadow); }

    /* B 档：输入聚焦取消柔光圈，仅边框变主色 */
    html[data-tune="b"] .layui-input:focus,
    html[data-tune="b"] .layui-textarea:focus,
    html[data-tune="b"] .layui-select:focus { box-shadow: none !important; }
    html[data-tune="b"] .pt-search-box:focus-within { box-shadow: none; }

    /* 教程页导航悬停分档 */
    html[data-tune="a"] .tut-nav a:hover { box-shadow: var(--pt-shadow); }
    html[data-tune="b"] .tut-nav a:hover { box-shadow: none; }

    /* 密码页/浮动发布钮：发光阴影与放大悬停分档 */
    html[data-tune="a"] .pwd-card .pwd-submit, html[data-tune="b"] .pwd-card .pwd-submit { box-shadow: var(--pt-shadow); }
    html[data-tune="a"] .pwd-card .pwd-submit:hover, html[data-tune="b"] .pwd-card .pwd-submit:hover { transform: none; box-shadow: var(--pt-shadow-md); }
    html[data-tune="a"] .pwd-lock, html[data-tune="b"] .pwd-lock { box-shadow: none; }
    html[data-tune="a"] .fab-publish, html[data-tune="b"] .fab-publish { box-shadow: var(--pt-shadow-md); }
    html[data-tune="a"] .fab-publish:hover, html[data-tune="b"] .fab-publish:hover { transform: none; }
}