/* ============================================
   冷豆 - 知识卡片内容管理系统
   主色 #FDD100 | 卡片底 #FFFCEB | 强调 #C99A00
   ============================================ */

/* ===== RESET ===== */
*{margin:0;padding:0;box-sizing:border-box}
*:focus{outline:none}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{cursor:pointer;border:none;font-family:inherit;background:none}
input,textarea,select{font-family:inherit;font-size:inherit}

/* ===== VARIABLES ===== */
:root{
  --primary:#FDD100;
  --primary-dark:#E6B800;
  --primary-darker:#C99A00;
  --primary-light:#FFE873;
  --primary-bg:#FFFCEB;
  --primary-bg-hover:#FFF8D6;
  --card-bg:#FFFCEB;
  --bg:#F8F7F2;
  --bg-white:#FFFFFF;
  --bg-dark:#2C2C2E;
  --bg-darker:#1E1E20;
  --text:#1A1A1A;
  --text-secondary:#555;
  --text-muted:#999;
  --text-light:#BBB;
  --border:#E8E5DD;
  --border-light:#F0EDE5;
  --border-dark:#3A3A3C;
  --shadow-sm:0 1px 3px rgba(0,0,0,.05);
  --shadow:0 2px 12px rgba(201,154,0,.08);
  --shadow-hover:0 8px 24px rgba(201,154,0,.18);
  --shadow-dark:0 4px 20px rgba(0,0,0,.15);
  --radius-xs:4px;
  --radius-sm:8px;
  --radius:12px;
  --radius-lg:16px;
  --radius-full:999px;
  --nav-h:60px;
  --sidebar-w:220px;
  --admin-sidebar-w:200px;
  --transition:all .2s ease;
}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;transition:var(--transition);white-space:nowrap}
.btn-primary{background:var(--primary);color:var(--text)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-outline{background:transparent;color:var(--primary-darker);border:1.5px solid var(--primary)}
.btn-outline:hover{background:var(--primary-bg)}
.btn-ghost{background:transparent;color:var(--text-secondary)}
.btn-ghost:hover{background:var(--primary-bg);color:var(--text)}
.btn-danger{background:#FF4D4F;color:#FFF}
.btn-danger:hover{background:#D9363E}
.btn-sm{padding:6px 14px;font-size:12px}
.btn-lg{padding:14px 28px;font-size:16px}
.btn-block{display:flex;width:100%}

/* ===== TAGS ===== */
.tag{display:inline-flex;align-items:center;padding:2px 10px;border-radius:var(--radius-full);font-size:12px;font-weight:500}
.tag-primary{background:var(--primary-bg);color:var(--primary-darker)}
.tag-success{background:#E8F8E8;color:#2D9C2D}
.tag-danger{background:#FFE8E8;color:#D9363E}
.tag-muted{background:#F0F0F0;color:#999}
.tag-warn{background:#FFF4E0;color:#D98800}

/* ===== FORM ===== */
.input,.textarea,.select{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:14px;color:var(--text);background:var(--bg-white);transition:var(--transition)}
.input:focus,.textarea:focus,.select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(253,209,0,.12)}
.textarea{resize:vertical;min-height:80px}
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:6px}
.form-hint{font-size:12px;color:var(--text-muted);margin-top:4px}
.form-row{display:flex;gap:12px}
.form-row>*{flex:1}

/* Switch */
.switch{position:relative;display:inline-block;width:44px;height:24px}
.switch input{opacity:0;width:0;height:0}
.switch-slider{position:absolute;cursor:pointer;inset:0;background:#DDD;border-radius:24px;transition:var(--transition)}
.switch-slider:before{content:"";position:absolute;height:18px;width:18px;left:3px;bottom:3px;background:#FFF;border-radius:50%;transition:var(--transition)}
.switch input:checked+.switch-slider{background:var(--primary)}
.switch input:checked+.switch-slider:before{transform:translateX(20px)}

/* ===== TOAST ===== */
.toast{position:fixed;top:20px;left:50%;transform:translateX(-50%) translateY(-100px);background:var(--bg-dark);color:#FFF;padding:10px 24px;border-radius:var(--radius-full);font-size:14px;z-index:3000;transition:transform .3s ease;box-shadow:var(--shadow-dark)}
.toast.show{transform:translateX(-50%) translateY(0)}

/* 引号 */
.q{font-size:1.5em;font-weight:700}

/* ============================================
   PC 端样式（与最新原型一致 - 大卡片布局）
   ============================================ */

/* 顶部导航 */
.pc-header{position:sticky;top:0;z-index:100;background:#FFF;border-bottom:1px solid var(--border-light);box-shadow:0 1px 8px rgba(0,0,0,.04)}
.pc-header-inner{max-width:1000px;margin:0 auto;display:flex;align-items:center;gap:20px;padding:0 20px;height:60px}
.pc-logo{display:flex;align-items:center;gap:8px;cursor:pointer;text-decoration:none;transition:opacity .2s ease;flex-shrink:0}
.pc-logo:hover{opacity:.7}
.pc-logo img{width:36px;height:36px;display:none;border-radius:50%;object-fit:cover;transition:transform .2s ease}
.pc-logo:hover img{transform:scale(1.06)}
.pc-logo-text{font-size:20px;font-weight:800;color:var(--text)}
.pc-nav{display:flex;gap:4px}
.pc-nav-item{padding:8px 16px;border-radius:var(--radius-full);font-size:15px;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:var(--transition);text-decoration:none;white-space:nowrap}
.pc-nav-item:hover{background:var(--primary-bg);color:var(--primary-darker)}
.pc-nav-item.active{background:var(--primary);color:#1A1A1A}
.pc-search{flex:1;max-width:280px;position:relative}
.pc-search input{width:100%;padding:8px 16px 8px 36px;border:1.5px solid var(--border);border-radius:var(--radius-full);font-size:14px;outline:none;transition:var(--transition);font-family:inherit;background:var(--bg)}
.pc-search input:focus{border-color:var(--primary);background:#FFF}
.pc-search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);font-size:14px;color:var(--text-muted)}
.pc-header-right{display:flex;align-items:center;gap:8px}
.pc-header-avatar{width:36px;height:36px;border-radius:50%;overflow:hidden;cursor:pointer;border:2px solid var(--primary);display:flex;align-items:center;justify-content:center;transition:var(--transition)}
.pc-header-avatar img{width:100%;height:100%;object-fit:cover}
.pc-header-avatar .text-avatar{font-size:16px}
.pc-header-avatar.logged-out{width:auto;padding:0 18px;border-radius:var(--radius-full);background:var(--primary);border-color:var(--primary)}
.pc-header-avatar.logged-out:hover{background:var(--primary-darker);border-color:var(--primary-darker)}
.pc-header-avatar.logged-out .text-avatar{font-size:14px;font-weight:700;color:#1A1A1A;background:transparent}

/* 主布局 */
.pc-main{max-width:960px;margin:0 auto;padding:20px}
.pc-layout{display:flex!important;gap:24px;align-items:flex-start!important;overflow:hidden}
.pc-content{flex:1;min-width:0;max-width:500px}
.pc-sidebar{width:280px;flex-shrink:0;position:sticky}

/* 侧边栏 */
.sidebar-block{background:#FFF;border-radius:16px;padding:20px;margin-bottom:16px;border:1px solid var(--border-light)}
.sidebar-block-title{font-size:15px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:6px;color:var(--text)}
.sidebar-cat-list{display:flex;flex-wrap:wrap;gap:8px}
.sidebar-cat-item{padding:6px 14px;border-radius:var(--radius-full);background:var(--bg);font-size:13px;color:var(--text-secondary);cursor:pointer;transition:var(--transition);font-weight:600;text-decoration:none}
.sidebar-cat-item:hover{background:var(--primary-bg);color:var(--primary-darker)}
.sidebar-cat-item.active{background:var(--primary);color:#1A1A1A}
.sidebar-about{text-align:center}
.sidebar-about-logo{width:56px;height:56px;border-radius:50%;margin:0 auto 10px;overflow:hidden}
.sidebar-about-logo img{width:100%;height:100%;object-fit:cover}
.sidebar-about-name{font-size:16px;font-weight:800}
.sidebar-about-desc{font-size:12px;color:var(--text-muted);margin-top:4px;line-height:1.5}
.sidebar-about-btn{margin-top:12px}

/* 广告位 */
.sidebar-ad-block{padding:0;overflow:hidden}
.sidebar-ad-header{display:flex;align-items:center;justify-content:space-between;padding:14px 20px 10px}
.sidebar-ad-header-title{font-size:13px;font-weight:700;color:var(--text)}
.sidebar-ad-header-tag{font-size:11px;color:var(--text-light);background:rgba(0,0,0,.05);padding:2px 8px;border-radius:var(--radius-full)}
.sidebar-ad-list{padding:0 20px 16px}
.sidebar-ad-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;background:var(--bg);margin-top:8px;cursor:pointer;transition:var(--transition);text-decoration:none;color:inherit}
.sidebar-ad-item:hover{background:var(--primary-bg)}
.sidebar-ad-dot{width:6px;height:6px;border-radius:50%;background:var(--primary);flex-shrink:0}
.sidebar-ad-text{flex:1;font-size:13px;color:var(--text-secondary);line-height:1.5;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.sidebar-ad-item:hover .sidebar-ad-text{color:var(--primary-darker)}

/* 大卡片 */
.big-card{background:#FFF;border-radius:16px;overflow:hidden;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease;border:1px solid var(--border-light);margin-bottom:16px;display:block;text-decoration:none;color:inherit}
.big-card:hover{transform:translateY(-3px);box-shadow:0 8px 28px rgba(0,0,0,.08)}
.big-card-img{min-height:360px;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;font-size:120px;position:relative;overflow:hidden;padding-top:20px}
.big-card-img-inner{max-width:360px;max-height:360px;width:360px;height:360px;object-fit:cover;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.big-card-body{padding:20px 24px}
.big-card-cat{font-size:13px;color:var(--text-muted);margin-bottom:8px}
.big-card-cat .tag{color:var(--primary-darker)}
.big-card-text{font-size:18px;font-weight:700;color:var(--text);line-height:1.6;margin-bottom:14px;text-align:center}
.big-card-img .big-card-text{margin-top:20px;padding:0 24px;color:var(--text);background:none}
.big-card-footer{display:flex;align-items:center;gap:20px;font-size:14px;color:var(--text-muted);padding-top:16px;border-top:1px solid var(--border-light)}
.big-card-footer .spacer{flex:1}
.big-card-fav{display:flex;align-items:center;gap:4px;cursor:pointer;padding:6px 12px;border-radius:var(--radius-full);transition:var(--transition);font-weight:600}
.big-card-fav:hover{background:var(--primary-bg)}
.big-card-fav.active{color:var(--primary-darker)}
.big-card-id{position:absolute;top:10px;right:12px;font-size:12px;color:var(--text-muted);font-weight:600;opacity:.6}

/* 子Tab */
.sub-tabs{display:flex;gap:8px;margin-bottom:20px;overflow-x:auto;scroll-behavior:smooth;padding-bottom:4px}
.sub-tabs::-webkit-scrollbar{display:none}
.sub-tab{padding:7px 18px;border-radius:var(--radius-full);font-size:14px;font-weight:600;background:var(--bg);color:var(--text-secondary);cursor:pointer;transition:var(--transition);white-space:nowrap;border:none;font-family:inherit;text-decoration:none;display:inline-block}
.sub-tab.active{background:var(--primary);color:#1A1A1A}
.sub-tab:hover:not(.active){background:var(--primary-bg);color:var(--primary-darker)}

/* 随机页 */
.random-wrap{display:flex;flex-direction:column;gap:16px;padding:0}
.random-btn{display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 32px;border-radius:var(--radius-full);background:var(--primary);color:#1A1A1A;font-size:15px;font-weight:700;cursor:pointer;border:none;transition:var(--transition);font-family:inherit;margin:0 auto}
.random-btn:hover{opacity:.9;transform:scale(1.02)}
.random-btn:active{transform:scale(.95)}

/* 热门排行 */
.hot-rank{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;font-size:14px;font-weight:800;flex-shrink:0;margin-right:8px}

/* 详情页 */
.detail-wrap{max-width:none;margin:0}
.detail-card{background:#FFF;border-radius:16px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.06);border:1px solid var(--border-light)}
.detail-card-img{min-height:360px;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;font-size:120px;position:relative;overflow:hidden;padding-top:20px}
.detail-card-img-inner{max-width:360px;max-height:360px;width:360px;height:360px;object-fit:cover;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.detail-card-body{padding:28px}
.detail-card-cat{font-size:13px;color:var(--text-muted);margin-bottom:8px}
.detail-card-cat .tag{color:var(--primary-darker)}
.detail-card-text{font-size:18px;font-weight:700;color:var(--text);line-height:1.6;margin-bottom:20px;text-align:center}
.detail-card-img .detail-card-text{margin-top:20px;padding:0 28px;background:none}
.detail-card-meta{display:flex;align-items:center;gap:20px;font-size:14px;color:var(--text-muted);padding-top:16px;border-top:1px solid var(--border-light)}
.detail-card-meta .spacer{flex:1}
.detail-back{display:inline-flex;align-items:center;gap:4px;color:var(--text-secondary);font-size:14px;cursor:pointer;margin-bottom:16px;font-weight:600;text-decoration:none}
.detail-back:hover{color:var(--primary-darker)}

/* 评论区 */
.comment-section{max-width:none;margin:24px 0 0;background:#FFF;border-radius:16px;padding:24px;border:1px solid var(--border-light)}
.comment-section-title{font-size:18px;font-weight:800;margin-bottom:16px}
.comment-input-box{display:flex;gap:10px;margin-bottom:20px}
.comment-input-box input{flex:1;padding:10px 16px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:14px;outline:none;font-family:inherit;transition:var(--transition)}
.comment-input-box input:focus{border-color:var(--primary)}
.comment-item{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--border-light)}
.comment-item-avatar{width:40px;height:40px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:15px;color:#FFF;font-weight:600}
.comment-item-body{flex:1;min-width:0}
.comment-item-header{display:flex;align-items:center;gap:8px;margin-bottom:4px}
.comment-item-name{font-size:14px;font-weight:600;color:var(--text)}
.comment-item-time{font-size:12px;color:var(--text-light)}
.comment-item-text{font-size:14px;color:var(--text-secondary);line-height:1.5}
.comment-reply-btn{font-size:12px;color:var(--text-muted);cursor:pointer;margin-top:4px;display:inline-block;padding:2px 8px;border-radius:4px}
.comment-reply-btn:hover{color:var(--primary-darker);background:var(--primary-bg)}
.comment-reply-wrap{margin-top:8px;padding:10px 12px;background:var(--bg);border-radius:8px}
.comment-reply-item{display:flex;gap:8px;padding:6px 0}
.comment-reply-item:not(:last-child){border-bottom:1px solid var(--border-light)}
.comment-reply-avatar{width:24px;height:24px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:10px;color:#FFF;font-weight:600}
.comment-reply-name{font-size:13px;font-weight:600}
.comment-reply-text{font-size:13px;color:var(--text-secondary);line-height:1.4}
.comment-empty{text-align:center;padding:60px 20px;color:var(--text-muted)}
.comment-empty-icon{font-size:48px;margin-bottom:8px}
.reply-hint{display:none;padding:8px 14px;background:var(--primary-bg);font-size:13px;color:var(--text-secondary);align-items:center;gap:6px;border-radius:var(--radius);margin-bottom:10px}
.reply-hint.show{display:flex}
.reply-hint-cancel{color:var(--primary-darker);cursor:pointer;font-weight:600;margin-left:auto;padding:2px 8px}

/* 个人中心 */
.profile-header{background:#FFF;border-radius:16px;padding:32px;text-align:center;margin-bottom:16px;border:1px solid var(--border-light)}
.profile-avatar{width:80px;height:80px;border-radius:50%;margin:0 auto 12px;overflow:hidden}
.profile-avatar img{width:100%;height:100%;object-fit:cover}
.profile-name{font-size:22px;font-weight:800}
.profile-slogan{font-size:14px;color:var(--text-muted);margin-top:4px}
.profile-menu{background:#FFF;border-radius:16px;overflow:hidden;border:1px solid var(--border-light)}
.profile-menu-item{display:flex;align-items:center;gap:12px;padding:16px 20px;cursor:pointer;transition:var(--transition);border-bottom:1px solid var(--border-light);text-decoration:none;color:inherit}
.profile-menu-item:last-child{border-bottom:none}
.profile-menu-item:hover{background:var(--primary-bg)}
.profile-menu-icon{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;background:var(--bg)}
.profile-menu-text{flex:1;font-size:15px;font-weight:600}
.profile-menu-arrow{color:var(--text-light);font-size:18px}

/* 分页 */
.pagination{display:flex;align-items:center;justify-content:center;gap:6px;padding:24px 0}
.page-btn{min-width:36px;height:36px;border-radius:8px;border:1px solid var(--border);background:#fff;color:var(--text-muted);font-size:14px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition);padding:0 10px;font-family:inherit;text-decoration:none}
.page-btn:hover:not(.disabled){border-color:var(--primary);color:var(--text)}
.page-btn.active{background:var(--primary);border-color:var(--primary);color:#1A1A1A}
.page-btn.disabled{opacity:.35;cursor:not-allowed;pointer-events:none}
.page-ellipsis{color:var(--text-light);padding:0 4px}

/* 弹窗 */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:200;display:none;align-items:center;justify-content:center}
.modal-overlay.show{display:flex}
.modal-box{background:#FFF;border-radius:16px;padding:24px;max-width:420px;width:90%;animation:modalPop .3s ease}
@keyframes modalPop{from{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}

/* 海报弹窗 */
.poster-box{max-width:360px}
.poster-close{position:absolute;top:8px;right:8px;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(0,0,0,.3);color:#FFF;font-size:16px;cursor:pointer;z-index:5}
.poster-modal-content{position:relative;border-radius:16px;overflow:hidden}
.poster-img{width:100%;min-height:280px;position:relative;overflow:hidden;border-radius:12px 12px 0 0}
.poster-img>img{width:100%;height:auto;display:block}
.poster-img>.poster-icon{width:100%;min-height:280px;display:flex;align-items:center;justify-content:center;font-size:80px}
.poster-img .poster-text{position:relative;bottom:0;left:0;right:0;padding:5px 16px 10px;text-align:center}
.poster-text-title{font-size:17px;font-weight:700;color:var(--text);margin-bottom:6px;line-height:1.4;text-align:center}
.poster-text-content{font-size:16px;font-weight:600;color:var(--text);line-height:1.6;word-break:break-word;text-align:center}
.poster-footer{display:flex;gap:14px;padding:16px;align-items:center;background:inherit;border-top:1px solid rgba(0,0,0,.06)}
.poster-qr-img{width:72px;height:72px;border-radius:8px;object-fit:cover}
.poster-actions{display:flex;flex-direction:row;gap:8px;padding:0 16px 16px}
.poster-id{position:absolute;top:10px;right:12px;font-size:12px;color:var(--text-muted);font-weight:600;opacity:.6;z-index:5}
.poster-tag{display:block;font-size:12px;color:#888;margin-top:8px;text-align:left}
.detail-card-id{position:absolute;top:8px;right:12px;font-size:14px;color:rgba(0,0,0,0.3);font-weight:700;z-index:2}

/* 登录弹窗 */
.login-box{text-align:center;max-width:380px}
.login-logo{width:64px;height:64px;border-radius:50%;margin:0 auto 14px;overflow:hidden}
.login-logo img{width:100%;height:100%;object-fit:cover}
.login-title{font-size:20px;font-weight:800;margin-bottom:6px}
.login-sub{font-size:14px;color:var(--text-muted);margin-bottom:24px;line-height:1.5}
.login-oauth{display:flex;flex-direction:column;gap:12px}
.login-oauth-btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;height:48px;border-radius:12px;font-size:15px;font-weight:700;cursor:pointer;border:none;transition:var(--transition);color:#FFF;font-family:inherit}
.login-oauth-btn:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(0,0,0,.15)}
.login-oauth-btn .oauth-icon{width:22px;height:22px;display:flex;align-items:center;justify-content:center;font-size:18px}
.login-wechat{background:#07C160}
.login-qq{background:#12B7F5}
.login-tip{font-size:12px;color:var(--text-light);margin-top:16px;line-height:1.5}
.login-loading{display:flex;flex-direction:column;align-items:center;gap:14px;padding:20px 0}
.login-spinner{width:36px;height:36px;border:3.5px solid var(--primary-bg);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.login-loading-text{font-size:14px;color:var(--text-muted)}

/* 反馈弹窗 */
.feedback-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.feedback-tag{padding:6px 16px;border-radius:var(--radius-full);font-size:13px;background:var(--bg);color:var(--text-secondary);cursor:pointer;transition:var(--transition);border:1.5px solid transparent}
.feedback-tag.active{background:var(--primary-bg);color:var(--primary-darker);border-color:var(--primary);font-weight:600}
.feedback-contact{width:100%;padding:10px 12px;border:1.5px solid var(--border);border-radius:10px;font-size:14px;margin-bottom:10px;box-sizing:border-box}
.feedback-contact:focus{border-color:var(--primary);outline:none}
.feedback-textarea{width:100%;min-height:100px;padding:12px;border:1.5px solid var(--border);border-radius:10px;font-size:14px;resize:none;font-family:inherit;margin-bottom:14px;line-height:1.5}
.feedback-textarea:focus{border-color:var(--primary);outline:none}

/* 关于弹窗 */
.about-box{text-align:center}
.about-logo{width:72px;height:72px;border-radius:50%;margin:0 auto 14px;overflow:hidden}
.about-logo img{width:100%;height:100%;object-fit:cover}
.about-name{font-size:20px;font-weight:800;margin-bottom:6px}
.about-desc{font-size:14px;color:var(--text-muted);line-height:1.5;margin-bottom:14px}
.about-version{font-size:13px;color:var(--text-light);margin-bottom:18px}

/* 文字头像 */
.text-avatar{display:flex;align-items:center;justify-content:center;width:100%;height:100%;font-size:32px;font-weight:800;color:#FFF}

/* 个人设置 */
.settings-card{background:#FFF;border-radius:16px;padding:28px;border:1px solid var(--border-light);max-width:560px;margin:0 auto}
.settings-title{font-size:20px;font-weight:800;margin-bottom:24px}
.settings-group{margin-bottom:24px}
.settings-label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:10px}
.settings-avatar-wrap{display:flex;align-items:center;gap:18px}
.settings-avatar-preview{width:80px;height:80px;border-radius:50%;overflow:hidden;border:2px solid var(--border-light);flex-shrink:0}
.settings-avatar-preview img{width:100%;height:100%;object-fit:cover}
.settings-avatar-preview .text-avatar{font-size:32px}
.settings-avatar-actions{display:flex;flex-direction:column;gap:8px}
.settings-input{width:100%;height:44px;padding:0 14px;border:1.5px solid var(--border);border-radius:10px;font-size:15px;font-family:inherit;box-sizing:border-box}
.settings-input:focus{border-color:var(--primary);outline:none}
.settings-textarea{width:100%;min-height:90px;padding:12px 14px;border:1.5px solid var(--border);border-radius:10px;font-size:15px;font-family:inherit;resize:none;box-sizing:border-box;line-height:1.5}
.settings-textarea:focus{border-color:var(--primary);outline:none}
.settings-hint{font-size:12px;color:var(--text-light);margin-top:6px}
.settings-actions{display:flex;gap:12px;margin-top:8px}

/* 空状态 */
.empty-state{text-align:center;padding:80px 20px;color:var(--text-muted);background:#FFF;border-radius:16px;border:1px solid var(--border-light)}
.empty-state-icon{font-size:56px;margin-bottom:12px}

/* 搜索结果 */
.search-result-header{font-size:14px;color:var(--text-muted);margin-bottom:16px}
.search-hot-title{font-size:15px;font-weight:700;margin-bottom:12px}
.search-hot-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.search-hot-tag{padding:7px 16px;border-radius:var(--radius-full);background:var(--bg);font-size:13px;color:var(--text-secondary);cursor:pointer;transition:var(--transition);text-decoration:none}
.search-hot-tag:hover{background:var(--primary-bg);color:var(--primary-darker)}

/* Footer */
.pc-footer{text-align:center;padding:32px 20px;color:var(--text-light);font-size:13px;border-top:1px solid var(--border-light);margin-top:40px}
.pc-footer-brand{font-weight:700;color:var(--text-muted);margin-bottom:4px}
.pc-footer-links{margin-top:8px;font-size:13px}
.pc-footer-links a{color:var(--text-light);text-decoration:none;transition:color .2s}
.pc-footer-links a:hover{color:var(--primary)}
.pc-footer-links span{margin:0 6px;color:var(--border-light)}

/* 移动端导航 */
.mobile-menu-btn{display:none;width:40px;height:40px;align-items:center;justify-content:center;font-size:22px;cursor:pointer;color:var(--text)}
.mobile-nav{display:none;position:fixed;top:60px;left:0;right:0;background:#FFF;border-bottom:1px solid var(--border-light);z-index:99;padding:12px 20px;flex-direction:column;gap:4px}
.mobile-nav.show{display:flex}
.mobile-nav-item{padding:12px 16px;border-radius:8px;font-size:15px;font-weight:600;color:var(--text-secondary);cursor:pointer;text-decoration:none}
.mobile-nav-item.active{background:var(--primary);color:#1A1A1A}

/* 相关推荐 */
.related-title{font-size:16px;font-weight:800;margin:24px 0 12px}

/* PC 响应式 */
@media(max-width:900px){.pc-sidebar{display:none}.pc-layout{display:block}.pc-content{width:100%;max-width:none}}
@media(max-width:768px){
  .pc-search{display:none}.pc-nav{gap:2px}.pc-nav-item{padding:6px 10px;font-size:13px}
  .pc-nav-item[data-route="home"]{display:none}
  .pc-main{padding:12px}.pc-logo img{display:none}
  .big-card-img{min-height:240px;font-size:80px}.big-card-img-inner{max-width:280px;max-height:280px;width:280px;height:280px}
  .big-card-text{font-size:16px}
  .detail-card-img{min-height:240px;font-size:80px}.detail-card-img-inner{max-width:280px;max-height:280px;width:280px;height:280px}
  .detail-card-text{font-size:18px}
  .pc-header-inner{gap:12px;padding:0 12px}.pc-logo-text{font-size:18px}
  .mobile-menu-btn{display:flex}
}
@media(max-width:480px){
  .big-card-img{min-height:200px;font-size:72px}.big-card-img-inner{max-width:240px;max-height:240px;width:240px;height:240px}
  .detail-card-img{min-height:200px;font-size:72px}.detail-card-img-inner{max-width:240px;max-height:240px;width:240px;height:240px}
}

/* ============================================
   管理后台样式
   ============================================ */
.admin-layout{display:flex;min-height:100vh;background:var(--bg)}
.admin-sidebar{width:var(--admin-sidebar-w);background:var(--bg-dark);color:#999;position:fixed;height:100vh;overflow-y:auto;z-index:100}
.admin-sidebar-logo{padding:20px;font-size:15px;font-weight:800;color:var(--primary);border-bottom:1px solid var(--border-dark)}
.admin-menu{padding:12px 0}
.admin-menu-item{display:flex;align-items:center;gap:10px;padding:12px 20px;font-size:14px;cursor:pointer;transition:var(--transition);border-left:3px solid transparent;color:#999;text-decoration:none}
.admin-menu-item:hover{background:rgba(253,209,0,.08);color:var(--primary)}
.admin-menu-item.active{background:rgba(253,209,0,.12);color:var(--primary);border-left-color:var(--primary)}
.admin-content{flex:1;margin-left:var(--admin-sidebar-w);padding:24px}
.admin-topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.admin-page-title{font-size:22px;font-weight:700}
.admin-breadcrumb{font-size:12px;color:var(--text-muted);margin-top:4px}

/* Stat Cards */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.stat-card{background:#FFF;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);display:flex;align-items:center;gap:16px}
.stat-card-icon{width:48px;height:48px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:22px;background:var(--primary-bg)}
.stat-card-info{flex:1}
.stat-card-value{font-size:24px;font-weight:800;color:var(--text)}
.stat-card-label{font-size:12px;color:var(--text-muted);margin-top:2px}
.stat-card-trend{font-size:11px;color:#2D9C2D;margin-top:4px}

/* Panel */
.admin-panel{background:#FFF;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);margin-bottom:20px}
.admin-panel-title{font-size:16px;font-weight:700;margin-bottom:16px}

/* Table */
.data-table{width:100%;border-collapse:collapse}
.data-table th{text-align:left;padding:12px 16px;font-size:12px;font-weight:600;color:var(--text-muted);border-bottom:2px solid var(--border-light);text-transform:uppercase;letter-spacing:.5px;white-space:nowrap}
.data-table td{padding:12px 16px;font-size:13px;border-bottom:1px solid var(--border-light)}
.data-table tr:hover{background:var(--primary-bg)}
.table-img{width:40px;height:40px;border-radius:var(--radius-xs);display:inline-flex;align-items:center;justify-content:center;font-size:18px}
.table-actions{display:flex;gap:8px}
.table-action{padding:4px 10px;border-radius:var(--radius-xs);font-size:12px;cursor:pointer;transition:var(--transition)}
.table-action.edit{color:var(--primary-darker);background:var(--primary-bg)}
.table-action.edit:hover{background:var(--primary);color:var(--text)}
.table-action.delete{color:#D9363E;background:#FFF0F0}
.table-action.delete:hover{background:#D9363E;color:#FFF}

/* Toolbar */
.toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap;gap:12px}
.toolbar-left{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.toolbar-right{display:flex;gap:8px;align-items:center}
.toolbar-search{display:flex;align-items:center;background:var(--bg);border-radius:var(--radius-sm);padding:6px 12px;gap:6px}
.toolbar-search input{border:none;background:transparent;font-size:13px;width:180px}

/* Chart */
.chart-bar-container{display:flex;align-items:flex-end;gap:12px;height:160px;padding:16px 0}
.chart-bar-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px}
.chart-bar{width:100%;max-width:40px;background:linear-gradient(to top,var(--primary),var(--primary-light));border-radius:var(--radius-xs) var(--radius-xs) 0 0;transition:var(--transition);min-height:4px}
.chart-bar:hover{opacity:.8}
.chart-bar-label{font-size:11px;color:var(--text-muted)}

/* Admin Login */
.admin-login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#2C2C2E,#1E1E20)}
.admin-login-card{background:#FFF;border-radius:var(--radius-lg);padding:40px;width:380px;box-shadow:var(--shadow-dark)}
.admin-login-logo{text-align:center;font-size:24px;font-weight:800;color:var(--primary-darker);margin-bottom:8px}
.admin-login-subtitle{text-align:center;font-size:13px;color:var(--text-muted);margin-bottom:24px}

/* Char count */
.char-count{display:flex;align-items:center;justify-content:space-between;margin-top:4px}
.char-count-bar{height:4px;border-radius:2px;background:var(--border);margin-top:4px;overflow:hidden}
.char-count-fill{height:100%;border-radius:2px;transition:width .2s ease}

/* Admin Modal (复用 PC modal-overlay) */
.modal{background:#FFF;border-radius:var(--radius-lg);padding:24px;max-width:520px;width:90%;max-height:85vh;overflow-y:auto;box-shadow:0 8px 32px rgba(0,0,0,.18);animation:modalPop .25s ease}
.admin-modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:1000;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:var(--transition)}
.admin-modal-overlay.show{opacity:1;visibility:visible}
.admin-modal{background:#FFF;border-radius:var(--radius-lg);padding:24px;max-width:520px;width:90%;max-height:85vh;overflow-y:auto;transform:scale(.9);transition:var(--transition);box-shadow:var(--shadow-dark)}
.admin-modal-overlay.show .admin-modal{transform:scale(1)}
.admin-modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.admin-modal-title{font-size:18px;font-weight:700}
.admin-modal-close{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:20px;color:var(--text-muted);cursor:pointer}
.admin-modal-close:hover{background:var(--bg)}
.admin-modal-footer{display:flex;gap:12px;justify-content:flex-end;margin-top:20px}

/* ============================================
   小程序模拟器样式
   ============================================ */
.mp-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#F0F0F2;padding:20px;gap:40px}
.mp-info{max-width:280px}
.mp-info h2{font-size:22px;font-weight:800;margin-bottom:12px}
.mp-info p{font-size:14px;color:var(--text-muted);line-height:1.6;margin-bottom:16px}
.mp-info ul{list-style:none}
.mp-info li{font-size:13px;color:var(--text-secondary);padding:4px 0}
.mp-info li:before{content:"→ ";color:var(--primary-darker);font-weight:700}
.phone-frame{width:375px;height:720px;background:#FFF;border-radius:40px;box-shadow:0 20px 60px rgba(0,0,0,.2);overflow:hidden;border:8px solid #1E1E20;position:relative;display:flex;flex-direction:column}
.phone-statusbar{height:36px;background:#FFF;display:flex;align-items:center;justify-content:space-between;padding:0 20px;font-size:12px;font-weight:600;flex-shrink:0;z-index:5}
.phone-notch{position:absolute;top:0;left:50%;transform:translateX(-50%);width:120px;height:24px;background:#1E1E20;border-radius:0 0 16px 16px;z-index:10}
.phone-content{flex:1;overflow:hidden;position:relative}
.phone-tabbar{height:56px;background:#FFF;border-top:1px solid var(--border-light);display:flex;flex-shrink:0}
.mp-tab-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:10px;color:var(--text-muted);cursor:pointer;transition:var(--transition)}
.mp-tab-item.active{color:var(--primary-darker);font-weight:600}
.mp-tab-icon{font-size:20px}
.mp-tab-content{display:none;height:100%;overflow-y:auto}
.mp-tab-content.active{display:block}
.mp-cat-tabs{display:flex;gap:8px;padding:12px 16px;overflow-x:auto;background:#FFF;border-bottom:1px solid var(--border-light);scroll-behavior:smooth;-webkit-overflow-scrolling:touch;cursor:grab}
.mp-cat-tabs.dragging{cursor:grabbing;scroll-behavior:auto;user-select:none}
.mp-cat-tab{padding:6px 16px;border-radius:var(--radius-full);font-size:12px;white-space:nowrap;background:var(--bg);color:var(--text-secondary);cursor:pointer;transition:var(--transition)}
.mp-cat-tab.active{background:var(--primary);color:var(--text);font-weight:600}
.mp-card-container{height:calc(100% - 44px);position:relative;overflow:hidden}
.mp-card{position:absolute;inset:0;display:flex;flex-direction:column;transition:transform .3s ease,opacity .3s ease}
.mp-card-img{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;font-size:80px;position:relative;overflow:hidden;padding-top:20px}
.mp-card-img-inner{max-width:280px;max-height:280px;width:280px;height:280px;object-fit:cover;border-radius:8px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.mp-card-info{background:var(--card-bg);padding:16px 20px 20px}
.mp-card-category{font-size:11px;color:var(--text-muted)}
.mp-card-content{font-size:16px;font-weight:700;color:var(--text);line-height:1.6;margin:6px 0 12px;text-align:center}
.mp-card-img .mp-card-content{margin-top:20px;padding:0 20px;background:none}
.mp-card-actions{display:flex;align-items:center;gap:12px}
.mp-card-actions .btn-primary{flex:1}
.mp-card-action{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--text-muted);cursor:pointer;padding:6px 10px;border-radius:var(--radius-full);background:var(--bg)}
.mp-card-action.active{color:#FF4D4F}
.mp-poster-overlay{position:absolute;inset:0;background:rgba(0,0,0,.5);z-index:50;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:var(--transition)}
.mp-poster-overlay.show{opacity:1;visibility:visible}
.mp-poster{background:var(--card-bg);border-radius:var(--radius);padding:24px;width:280px;transform:scale(.9);transition:var(--transition)}
.mp-poster-overlay.show .mp-poster{transform:scale(1)}
.mp-poster-img{width:100%;aspect-ratio:4/3;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:50px;margin-bottom:16px}
.mp-poster-title{font-size:11px;color:var(--text-muted);margin-bottom:8px}
.mp-poster-content{font-size:16px;font-weight:700;line-height:1.6;margin-bottom:20px}
.mp-poster-footer{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px dashed var(--border)}
.mp-poster-qr{width:56px;height:56px;background:var(--bg-dark);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:9px;color:var(--primary)}
.mp-poster-cta{font-size:13px;font-weight:600;color:var(--primary-darker)}
.mp-poster-actions{display:flex;gap:8px;margin-top:16px}
.mp-comment-overlay{position:absolute;inset:0;background:#FFF;z-index:40;display:flex;flex-direction:column;transform:translateY(100%);transition:transform .3s ease}
.mp-comment-overlay.show{transform:translateY(0)}
.mp-comment-header{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid var(--border-light)}
.mp-comment-title{font-size:16px;font-weight:700}
.mp-comment-input-box{padding:12px 16px;border-bottom:1px solid var(--border-light);display:flex;gap:8px}
.mp-comment-input-box input{flex:1;padding:8px 12px;border:1.5px solid var(--border);border-radius:var(--radius-full);font-size:13px}
.mp-comment-list{flex:1;overflow-y:auto;padding:0 16px}
.mp-list-card{display:flex;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border-light);cursor:pointer;transition:var(--transition)}
.mp-list-card:hover{background:var(--primary-bg)}
.mp-list-card-img{width:80px;height:80px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:32px;flex-shrink:0}
.mp-list-card-body{flex:1;min-width:0}
.mp-list-card-cat{font-size:10px;color:var(--text-muted)}
.mp-list-card-text{font-size:13px;font-weight:600;line-height:1.5;margin:4px 0}
.mp-list-card-stats{font-size:11px;color:var(--text-light)}
.mp-profile-header{background:linear-gradient(135deg,var(--primary),var(--primary-dark));padding:40px 20px 24px;text-align:center}
.mp-profile-avatar{width:64px;height:64px;border-radius:50%;background:#FFF;margin:0 auto 8px;display:flex;align-items:center;justify-content:center;font-size:28px;border:3px solid rgba(255,255,255,.5)}
.mp-profile-name{font-size:18px;font-weight:700;color:var(--text)}
.mp-menu{background:#FFF;margin:12px;border-radius:var(--radius);overflow:hidden}
.mp-menu-item{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--border-light);cursor:pointer;transition:var(--transition)}
.mp-menu-item:last-child{border-bottom:none}
.mp-menu-item:hover{background:var(--primary-bg)}
.mp-menu-icon{font-size:20px}
.mp-menu-text{flex:1;font-size:14px}
.mp-menu-arrow{color:var(--text-light)}
.mp-fav-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:12px}
.mp-fav-card{background:var(--card-bg);border-radius:var(--radius-sm);overflow:hidden;box-shadow:var(--shadow-sm);cursor:pointer}
.mp-fav-card-img{width:100%;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;font-size:28px;position:relative;overflow:hidden}
.mp-fav-card-info{padding:8px}
.mp-fav-card-text{font-size:11px;font-weight:600;line-height:1.4;text-align:center}
.mp-fav-card-img .mp-fav-card-text{position:absolute;bottom:0;left:0;right:0;padding:6px 6px 4px;background:none;color:var(--text)}
.mp-refresh-bar{padding:12px 16px;text-align:center;background:#FFF;border-bottom:1px solid var(--border-light)}

/* ===== 响应式（管理后台/小程序） ===== */
@media(max-width:1024px){
  .stat-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .stat-grid{grid-template-columns:1fr}
  .admin-sidebar{width:60px}
  .admin-content{margin-left:60px}
  .admin-sidebar-logo{font-size:12px;text-align:center;padding:16px 4px}
  .admin-menu-item{padding:12px;justify-content:center}
  .admin-menu-item span:last-child{display:none}
  .mp-page{flex-direction:column}
  .mp-info{max-width:375px}
}