/* ============================================
   04_Apple_iOS 论坛模板
   iOS 风格
   ============================================ */
:root{
  --io-primary:#007AFF;
  --io-bg:#F2F2F7;
  --io-surface:#FFFFFF;
  --io-text:#1C1C1E;
  --io-text-2:#8E8E93;
  --io-separator:#C6C6C8;
  --io-blue:#007AFF;
  --io-green:#34C759;
  --io-orange:#FF9500;
  --io-red:#FF3B30;
  --io-purple:#AF52DE;
  --io-rd:10px;
  --io-rd-lg:14px;
  --io-shadow:0 1px 4px rgba(0,0,0,.08);
  --io-transition:.25s ease;
  --io-font:-apple-system,'SF Pro Text','Noto Sans SC',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--io-font);background:var(--io-bg);color:var(--io-text);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;padding-bottom:70px}
a{color:var(--io-blue);text-decoration:none}
a:hover{text-decoration:underline}
img,svg{display:block;max-width:100%}
ul{list-style:none}

.io-ico{width:22px;height:22px;flex:0 0 auto;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.io-ico-sm{width:16px;height:16px}
.io-ico-lg{width:26px;height:26px}
.io-ico-fill{fill:currentColor;stroke:none}

.io-wrap{max-width:840px;margin:0 auto}

/* ===== 大标题导航栏 ===== */
.io-nav{position:sticky;top:0;z-index:100;background:rgba(242,242,247,.8);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);transition:box-shadow var(--io-transition)}
.io-nav-inner{display:flex;align-items:center;justify-content:space-between;padding:8px 16px;height:44px}
.io-nav-title-sm{font-size:17px;font-weight:600;opacity:0;transition:opacity var(--io-transition);text-align:center;flex:1}
.io-nav.io-scrolled .io-nav-title-sm{opacity:1}
.io-nav-btn{display:inline-flex;align-items:center;gap:3px;background:none;border:none;color:var(--io-blue);font-family:inherit;font-size:17px;cursor:pointer;padding:0}
.io-nav-btn .io-ico{width:12px;height:12px}
.io-nav-right{display:flex;align-items:center;gap:14px}
.io-icon-btn{background:none;border:none;color:var(--io-blue);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px}
.io-icon-btn .io-ico{width:22px;height:22px}
.io-large-title{padding:0 16px 8px;font-size:34px;font-weight:700;letter-spacing:-.5px;transition:all var(--io-transition)}
.io-nav.io-scrolled .io-large-title{height:0;padding:0;opacity:0;overflow:hidden;font-size:0;margin:0}
.io-subtitle{padding:0 16px 12px;font-size:15px;color:var(--io-text-2)}

/* ===== 搜索栏 ===== */
.io-search-bar{margin:0 16px 12px;display:flex;align-items:center;gap:8px;background:rgba(118,118,128,.12);border-radius:10px;padding:7px 10px}
.io-search-bar input{border:none;background:none;outline:none;font-family:inherit;font-size:16px;flex:1;color:var(--io-text);min-width:0}
.io-search-bar input::placeholder{color:var(--io-text-2)}

/* ===== 分组卡片 ===== */
.io-group{margin:0 16px 24px}
.io-group-title{font-size:13px;font-weight:400;color:var(--io-text-2);text-transform:uppercase;letter-spacing:.3px;padding:0 4px 6px;margin:24px 0 0}
.io-group-title:first-child{margin-top:8px}
.io-group-footer{font-size:13px;color:var(--io-text-2);padding:6px 4px 0}
.io-card{background:var(--io-surface);border-radius:var(--io-rd);overflow:hidden;box-shadow:var(--io-shadow)}
.io-row-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border-bottom:.5px solid var(--io-separator);position:relative;transition:background var(--io-transition)}
.io-row-item:last-child{border-bottom:none}
.io-row-item:hover{background:rgba(0,0,0,.03)}
.io-row-icon{width:30px;height:30px;border-radius:7px;display:flex;align-items:center;justify-content:center;flex:0 0 auto;color:#fff}
.io-row-icon .io-ico{width:18px;height:18px}
.io-ic-news{background:#FF9500}.io-ic-intl{background:#5856D6}.io-ic-tech{background:#007AFF}.io-ic-fin{background:#34C759}.io-ic-sport{background:#FF2D55}.io-ic-ent{background:#AF52DE}.io-ic-edu{background:#5AC8FA}.io-ic-health{background:#FF3B30}.io-ic-car{background:#007AFF}.io-ic-home{background:#FF9500}
.io-row-main{flex:1;min-width:0}
.io-row-label{font-size:16px;font-weight:500;color:var(--io-text)}
.io-row-desc{font-size:13px;color:var(--io-text-2);margin-top:1px}
.io-row-value{font-size:15px;color:var(--io-text-2)}
.io-chevron{color:var(--io-text-2);opacity:.4;flex:0 0 auto}
.io-chevron .io-ico{width:14px;height:14px}
.io-badge-num{background:#FF3B30;color:#fff;font-size:12px;min-width:20px;height:20px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;padding:0 6px;font-weight:600}

/* 板块内帖子列表(展开) */
.io-board-threads{display:none;background:var(--io-surface);border-radius:var(--io-rd);box-shadow:var(--io-shadow);margin-top:8px;overflow:hidden}
.io-board.io-open .io-board-threads{display:block}
.io-thread-row{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:.5px solid var(--io-separator)}
.io-thread-row:last-child{border-bottom:none}
.io-thread-dot{width:7px;height:7px;border-radius:50%;background:var(--io-blue);flex:0 0 auto}
.io-thread-title{flex:1;font-size:14px;color:var(--io-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.io-thread-meta{font-size:12px;color:var(--io-text-2);white-space:nowrap}

/* 统计卡片 */
.io-stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:24px}
.io-stat{background:var(--io-surface);border-radius:var(--io-rd);padding:14px;text-align:center;box-shadow:var(--io-shadow)}
.io-stat-num{font-size:24px;font-weight:700;color:var(--io-blue)}
.io-stat-label{font-size:12px;color:var(--io-text-2);margin-top:2px}

/* 热门列表卡片 */
.io-hot-item{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:.5px solid var(--io-separator)}
.io-hot-item:last-child{border-bottom:none}
.io-hot-rank{font-size:15px;font-weight:700;color:var(--io-text-2);width:22px;text-align:center;flex:0 0 auto}
.io-hot-item:nth-child(1) .io-hot-rank{color:var(--io-red)}
.io-hot-item:nth-child(2) .io-hot-rank{color:var(--io-orange)}
.io-hot-item:nth-child(3) .io-hot-rank{color:var(--io-blue)}
.io-hot-title{flex:1;font-size:14px;color:var(--io-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.io-hot-heat{font-size:12px;color:var(--io-text-2);display:flex;align-items:center;gap:2px}
.io-hot-heat .io-ico{width:13px;height:13px;color:var(--io-orange)}

/* Banner */
.io-banner{margin:8px 16px 16px;border-radius:var(--io-rd-lg);overflow:hidden;box-shadow:var(--io-shadow)}
.io-banner img{width:100%}

/* 按钮 */
.io-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:var(--io-rd);background:var(--io-blue);color:#fff;border:none;font-family:inherit;font-size:15px;font-weight:600;cursor:pointer;transition:opacity var(--io-transition)}
.io-btn:hover{opacity:.88}
.io-btn.io-btn-full{width:100%;justify-content:center}
.io-btn.io-btn-gray{background:rgba(118,118,128,.12);color:var(--io-text)}
.io-btn .io-ico{width:18px;height:18px}

/* 标签 */
.io-tag{display:inline-block;font-size:11px;padding:2px 8px;border-radius:5px;font-weight:600;margin-right:5px}
.io-tag.io-tag-blue{background:rgba(0,122,255,.12);color:var(--io-blue)}
.io-tag.io-tag-orange{background:rgba(255,149,0,.15);color:var(--io-orange)}
.io-tag.io-tag-red{background:rgba(255,59,48,.12);color:var(--io-red)}

/* 面包屑(简化为返回) */
.io-breadcrumb{display:flex;align-items:center;gap:4px;font-size:14px;color:var(--io-text-2);padding:10px 16px}
.io-breadcrumb .io-ico{width:14px;height:14px}

/* 列表页表格风格 */
.io-list-card{background:var(--io-surface);border-radius:var(--io-rd);overflow:hidden;box-shadow:var(--io-shadow);margin-bottom:16px}
.io-list-head{display:grid;grid-template-columns:1fr 60px 60px 90px;gap:8px;padding:8px 14px;background:rgba(118,118,128,.06);font-size:12px;color:var(--io-text-2);font-weight:600}
.io-list-row{display:grid;grid-template-columns:1fr 60px 60px 90px;gap:8px;padding:11px 14px;border-bottom:.5px solid var(--io-separator);align-items:center}
.io-list-row:last-child{border-bottom:none}
.io-list-row:hover{background:rgba(0,0,0,.03)}
.io-list-row.io-sticky{background:rgba(255,149,0,.06)}
.io-list-main{min-width:0}
.io-list-title{font-size:15px;color:var(--io-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.io-list-author{font-size:12px;color:var(--io-text-2);display:flex;align-items:center;gap:5px;margin-top:2px}
.io-list-author .io-avatar{width:16px;height:16px;border-radius:50%;overflow:hidden}
.io-list-col{text-align:center;font-size:13px;color:var(--io-text-2)}
.io-list-time{text-align:right;font-size:12px;color:var(--io-text-2)}
.io-avatar{border-radius:50%;overflow:hidden;flex:0 0 auto}
.io-avatar img{width:100%;height:100%}

/* 分页 */
.io-pagination{display:flex;justify-content:center;gap:4px;margin:16px 0}
.io-page{min-width:32px;height:32px;border-radius:8px;border:none;background:var(--io-surface);color:var(--io-text);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;font-family:inherit;font-size:14px;box-shadow:var(--io-shadow);transition:opacity var(--io-transition)}
.io-page:hover{opacity:.7}
.io-page.io-active{background:var(--io-blue);color:#fff}

/* 详情 */
.io-detail-head{padding:0 16px;margin-bottom:12px}
.io-detail-title{font-size:24px;font-weight:700;letter-spacing:-.3px;margin-bottom:8px}
.io-detail-meta{font-size:13px;color:var(--io-text-2);display:flex;align-items:center;gap:8px}
.io-post{background:var(--io-surface);border-radius:var(--io-rd);box-shadow:var(--io-shadow);padding:16px;margin:0 16px 12px}
.io-post-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.io-post-head .io-avatar{width:40px;height:40px}
.io-post-name{font-size:15px;font-weight:600;color:var(--io-text)}
.io-post-time{font-size:12px;color:var(--io-text-2);display:flex;align-items:center;gap:3px;margin-top:1px}
.io-post-time .io-ico{width:13px;height:13px}
.io-floor{font-size:11px;background:rgba(0,122,255,.12);color:var(--io-blue);padding:2px 8px;border-radius:6px;font-weight:600;margin-left:auto}
.io-post-body{font-size:15px;line-height:1.7}
.io-post-body p{margin-bottom:10px}
.io-post-img{margin:10px 0;border-radius:var(--io-rd);overflow:hidden}
.io-post-foot{display:flex;gap:6px;margin-top:12px;padding-top:10px;border-top:.5px solid var(--io-separator)}
.io-post-action{display:inline-flex;align-items:center;gap:5px;padding:6px 12px;border-radius:8px;background:rgba(118,118,128,.1);border:none;color:var(--io-text-2);font-size:13px;cursor:pointer;font-family:inherit;transition:background var(--io-transition)}
.io-post-action:hover{background:rgba(0,122,255,.12);color:var(--io-blue)}
.io-post-action .io-ico{width:16px;height:16px}
.io-post-action.io-liked{color:var(--io-red)}
.io-reply{background:var(--io-surface);border-radius:var(--io-rd);box-shadow:var(--io-shadow);padding:16px;margin:0 16px 12px}
.io-reply h3{font-size:16px;font-weight:600;margin-bottom:10px}
.io-textarea{width:100%;min-height:90px;border:1px solid var(--io-separator);border-radius:8px;padding:10px;font-family:inherit;font-size:15px;resize:vertical;background:var(--io-bg);color:var(--io-text)}
.io-textarea:focus{outline:none;border-color:var(--io-blue);box-shadow:0 0 0 3px rgba(0,122,255,.12);background:var(--io-surface)}
.io-reply-foot{display:flex;justify-content:space-between;align-items:center;margin-top:10px}

/* 搜索页 */
.io-search-hero{padding:16px}
.io-search-big{display:flex;align-items:center;gap:8px;background:var(--io-surface);border-radius:var(--io-rd);padding:8px 12px;box-shadow:var(--io-shadow)}
.io-search-big input{flex:1;border:none;background:none;outline:none;font-family:inherit;font-size:16px;padding:6px 0;color:var(--io-text)}
.io-filter-bar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding:0 16px;margin-bottom:12px}
.io-filter-bar select{padding:7px 12px;border-radius:8px;border:.5px solid var(--io-separator);background:var(--io-surface);color:var(--io-text);font-family:inherit;font-size:14px;cursor:pointer}
.io-filter-bar .io-label{font-size:13px;color:var(--io-text-2);display:flex;align-items:center;gap:4px}
.io-result{background:var(--io-surface);border-radius:var(--io-rd);box-shadow:var(--io-shadow);padding:14px;margin:0 16px 10px}
.io-result-title{font-size:16px;font-weight:600;color:var(--io-blue);margin-bottom:5px}
.io-result-snippet{font-size:14px;color:var(--io-text-2);line-height:1.6;margin-bottom:6px}
.io-result-meta{font-size:12px;color:var(--io-text-2);display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.io-result-meta .io-ico{width:14px;height:14px}
.io-result-count{font-size:14px;color:var(--io-text-2);padding:0 16px;margin-bottom:10px}
.io-chips{display:flex;flex-wrap:wrap;gap:6px;padding:0 4px}
.io-chip{padding:6px 14px;border-radius:16px;background:rgba(118,118,128,.12);font-size:13px;color:var(--io-text);cursor:pointer;border:none;font-family:inherit;transition:all var(--io-transition);text-decoration:none;display:inline-block}
.io-chip:hover{background:rgba(0,122,255,.12);color:var(--io-blue);text-decoration:none}
.io-chip.io-active{background:var(--io-blue);color:#fff}

/* 模态 Sheet */
.io-sheet-mask{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:200;opacity:0;visibility:hidden;transition:opacity var(--io-transition)}
.io-sheet-mask.io-show{opacity:1;visibility:visible}
.io-sheet{position:absolute;left:8px;right:8px;bottom:8px;background:var(--io-bg);border-radius:14px;padding:8px;transform:translateY(100%);transition:transform var(--io-transition);max-height:70vh;overflow-y:auto}
.io-sheet-mask.io-show .io-sheet{transform:translateY(0)}
.io-sheet-handle{width:36px;height:5px;border-radius:3px;background:var(--io-separator);margin:6px auto 10px}
.io-sheet-title{text-align:center;font-size:17px;font-weight:600;margin-bottom:10px}

/* ===== 底部标签栏 ===== */
.io-tabbar{position:fixed;left:0;right:0;bottom:0;background:rgba(249,249,249,.9);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border-top:.5px solid var(--io-separator);z-index:90;display:flex;padding-bottom:env(safe-area-inset-bottom)}
.io-tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;height:50px;background:none;border:none;color:var(--io-text-2);font-size:10px;cursor:pointer;font-family:inherit;transition:color var(--io-transition);padding-top:4px}
.io-tab.io-active{color:var(--io-blue)}
.io-tab .io-ico{width:24px;height:24px}

@media(min-width:768px){
  .io-wrap{max-width:840px}
  .io-stat-grid{grid-template-columns:repeat(4,1fr)}
}
@media(max-width:480px){
  .io-list-head,.io-list-row{grid-template-columns:1fr 50px 70px}
  .io-list-head .io-col-views,.io-list-row .io-list-col-views{display:none}
  .io-list-time{text-align:left}
}

/* ============================================
   CMS 扩展样式 - 使用 io 变量
   ============================================ */

/* ---------- 分页(CMS) ---------- */
.jv-pagination{
  display:flex;align-items:center;gap:6px;flex-wrap:wrap;
  padding:24px 0;justify-content:center;
}
.jv-page-info{
  font-size:13px;color:var(--io-text-2);margin-right:12px;
}
.jv-pagination a{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:36px;height:36px;padding:0 10px;
  font-size:13px;font-weight:500;cursor:pointer;
  background:var(--io-bg);border:1px solid #e5e5e5;
  border-radius:var(--io-rd);color:var(--io-text-2);
  transition:all var(--io-transition);text-decoration:none;
}
.jv-pagination a:hover{
  border-color:var(--io-primary);color:var(--io-primary);
}
.jv-pagination a.active{
  background:var(--io-primary);border-color:var(--io-primary);
  color:#fff;font-weight:600;
}
.jv-pagination a.disabled{
  color:var(--io-text-2);border-color:#e5e5e5;
  cursor:not-allowed;pointer-events:none;opacity:.5;
}
.jv-page-dots{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:36px;height:36px;color:var(--io-text-2);font-size:13px;
}

/* ---------- 评论区 ---------- */
.comment-section{margin-top:0}
.comment-form-area{margin-bottom:20px}
.comment-login-notice{
  background:var(--io-surface);border:1px solid #e5e5e5;
  border-radius:var(--io-rd);padding:20px;text-align:center;
}
.comment-list{display:flex;flex-direction:column}
.comment-item{
  display:flex;gap:12px;padding:16px 0;
  border-bottom:1px solid #e5e5e5;
}
.comment-item:last-child{border-bottom:none}
.comment-avatar{
  flex-shrink:0;width:40px;height:40px;border-radius:50%;
  background:var(--io-primary);color:#fff;
  font-size:16px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.comment-main{flex:1;min-width:0}
.comment-head{
  display:flex;align-items:center;gap:8px;
  margin-bottom:6px;flex-wrap:wrap;
}
.comment-author{font-size:14px;font-weight:700;color:var(--io-text)}
.comment-reply-to{font-size:12px;color:var(--io-text-2)}
.comment-reply-to::before{content:'\2192';margin-right:3px}
.comment-time{font-size:12px;color:var(--io-text-2);margin-left:auto}
.comment-content{font-size:14px;color:var(--io-text);line-height:1.7;word-break:break-word}
.comment-actions{margin-top:8px}
.comment-reply-btn{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  border:none;background:transparent;
  color:var(--io-text-2);font-size:12px;cursor:pointer;
  transition:all var(--io-transition);
}
.comment-reply-btn:hover{color:var(--io-primary)}
.comment-reply-form{margin-top:10px;display:flex;flex-direction:column;gap:8px}
.comment-reply-input{
  width:100%;border:1px solid #e5e5e5;
  border-radius:var(--io-rd);padding:10px 14px;
  font-size:13px;line-height:1.5;resize:vertical;min-height:60px;
  font-family:inherit;background:var(--io-bg);color:var(--io-text);
  transition:border-color var(--io-transition);outline:none;
}
.comment-reply-input:focus{border-color:var(--io-primary)}
.comment-reply-submit{
  align-self:flex-end;display:inline-flex;align-items:center;
  height:32px;padding:0 16px;
  border:1px solid var(--io-primary);background:var(--io-primary);color:#fff;
  font-size:12px;font-weight:600;cursor:pointer;
  border-radius:var(--io-rd);transition:all var(--io-transition);
}
.comment-reply-submit:hover{background:var(--io-primary);border-color:var(--io-primary)}
.comment-reply-submit:disabled{opacity:.6;cursor:not-allowed}
.comment-replies{
  margin-left:52px;padding-left:16px;
  border-left:2px solid #e5e5e5;
  display:flex;flex-direction:column;
}
.comment-reply-item{
  display:flex;gap:10px;padding:12px 0;
  border-bottom:1px solid #e5e5e5;
}
.comment-reply-item:last-child{border-bottom:none}
.comment-reply-item .comment-avatar{width:32px;height:32px;font-size:13px}
.comment-reply-item .comment-author{font-size:13px}
.comment-reply-item .comment-content{font-size:13px}
.comment-empty{text-align:center;padding:32px 16px;color:var(--io-text-2);font-size:14px}
.comment-empty p{margin:0}
.comment-load-more{display:flex;justify-content:center;padding:16px 0}
.comment-load-more-btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:36px;padding:0 28px;
  border:1px solid #e5e5e5;border-radius:var(--io-rd);
  background:var(--io-bg);color:var(--io-text-2);
  font-size:13px;font-weight:600;cursor:pointer;
  transition:all var(--io-transition);
}
.comment-load-more-btn:hover{border-color:var(--io-primary);color:var(--io-primary)}
.comment-submit-btn:disabled{opacity:.6;cursor:not-allowed}
.comment-char-count{font-size:13px;color:var(--io-text-2)}

/* ---------- 下载页 ---------- */
.io-download-info{
  background:var(--io-bg);border:1px solid #e5e5e5;
  border-radius:var(--io-rd-lg);padding:20px;margin-bottom:16px;
}
.io-download-file{
  display:flex;align-items:center;gap:16px;padding:16px;
  background:var(--io-surface);border:1px solid #e5e5e5;
  border-radius:var(--io-rd);
}
.io-download-meta{flex:1;min-width:0}
.io-download-name{font-size:15px;font-weight:700;color:var(--io-text);margin-bottom:4px}
.io-download-desc{font-size:13px;color:var(--io-text-2);line-height:1.6}
.io-download-btn{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--io-primary);color:#fff;
  padding:10px 24px;border-radius:var(--io-rd);
  font-size:14px;font-weight:600;border:none;cursor:pointer;
  transition:all var(--io-transition);font-family:inherit;flex-shrink:0;
}
.io-download-btn:hover{background:var(--io-primary)}

/* ---------- 标签云 ---------- */
.io-tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.io-tag-item{
  padding:4px 12px;border-radius:16px;font-size:13px;
  border:1px solid #e5e5e5;color:var(--io-text-2);
  transition:all var(--io-transition);cursor:pointer;text-decoration:none;
}
.io-tag-item:hover{border-color:var(--io-primary);color:var(--io-primary)}

/* ---------- 用户页面 ---------- */
.io-user-page{max-width:440px;margin:0 auto}
.io-user-form{
  background:var(--io-bg);border:1px solid #e5e5e5;
  border-radius:var(--io-rd-lg);padding:32px;
}
.io-user-links{
  display:flex;flex-direction:column;gap:12px;margin-top:20px;
}

/* ---------- 认证页面(登录/注册) ---------- */
.io-auth-wrap{display:flex;justify-content:center;padding:48px 0}
.io-auth-box{
  width:100%;max-width:440px;
  background:var(--io-bg);border:1px solid #e5e5e5;
  border-radius:var(--io-rd-lg);padding:32px;
}
.io-auth-header{text-align:center;margin-bottom:28px}
.io-auth-header h1{font-size:24px;font-weight:800;color:var(--io-text);margin-bottom:8px}
.io-auth-header p{font-size:14px;color:var(--io-text-2)}
.io-auth-form{display:flex;flex-direction:column;gap:18px}
.io-auth-group{display:flex;flex-direction:column;gap:6px}
.io-auth-group label{font-size:13px;color:var(--io-text-2);font-weight:500}
.io-auth-group input{
  width:100%;height:44px;padding:0 14px;
  font-size:14px;color:var(--io-text);
  background:var(--io-surface);border:1px solid #e5e5e5;
  border-radius:var(--io-rd);transition:border-color var(--io-transition),background var(--io-transition);
  outline:none;font-family:inherit;
}
.io-auth-group input:focus{
  border-color:var(--io-primary);background:var(--io-bg);
}
.io-auth-submit{
  width:100%;height:44px;font-size:15px;font-weight:600;
  justify-content:center;margin-top:8px;
  background:var(--io-primary);color:#fff;border:none;
  border-radius:var(--io-rd);cursor:pointer;
  transition:all var(--io-transition);font-family:inherit;
}
.io-auth-submit:hover{background:var(--io-primary)}
.io-auth-footer{text-align:center;margin-top:24px;font-size:14px;color:var(--io-text-2)}
.io-auth-link{color:var(--io-primary);font-weight:600;margin-left:6px}
.io-auth-link:hover{text-decoration:underline}

/* ---------- 链接行(用户中心等) ---------- */
.io-link-row{
  display:flex;align-items:center;gap:12px;
  padding:14px 16px;background:var(--io-bg);
  border:1px solid #e5e5e5;border-radius:var(--io-rd-lg);
  transition:all var(--io-transition);cursor:pointer;text-decoration:none;
}
.io-link-row:hover{border-color:var(--io-primary);box-shadow:var(--io-shadow)}
.io-link-row-icon{
  width:40px;height:40px;border-radius:var(--io-rd);
  background:var(--io-surface);display:flex;align-items:center;justify-content:center;
  color:var(--io-primary);flex-shrink:0;
}
.io-link-row-text{flex:1;font-size:14px;font-weight:500;color:var(--io-text)}
.io-link-row-arrow{color:var(--io-text-2);flex-shrink:0}

/* ---------- 文章内容图片 ---------- */
.io-post-content img{max-width:100%;height:auto}