/* ============ 集趣社区 · 演示站点样式 ============ */
/* 设计系统：靛紫主色 + 浅灰底 + 白卡片，支持深浅双主题 */

:root{
  --bg:#f3f4f7;
  --bg-grad:radial-gradient(1200px 500px at 15% -10%, #e9e7ff 0%, transparent 60%), radial-gradient(900px 400px at 90% 0%, #ffe9f0 0%, transparent 55%);
  --card:#ffffff;
  --card-2:#fafafd;
  --line:#e8eaf0;
  --line-soft:#f1f2f6;
  --text:#15171e;
  --text-2:#4c5262;
  --text-3:#8d93a3;
  --primary:#5b5bd6;
  --primary-2:#8b5cf6;
  --primary-soft:#eeedfe;
  --accent:#f43f5e;
  --accent-soft:#ffe8ec;
  --green:#0f9f74;
  --green-soft:#e3f7f0;
  --gold:#e8a317;
  --gold-soft:#fdf3dd;
  --blue-soft:#e6f0ff;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(18,20,28,.04), 0 10px 30px -16px rgba(18,20,28,.16);
  --shadow-lg:0 30px 70px -24px rgba(18,20,28,.35);
  --nav-h:64px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",-apple-system,"Segoe UI",system-ui,sans-serif;
}

html[data-theme="dark"]{
  --bg:#0e1015;
  --bg-grad:radial-gradient(1200px 500px at 15% -10%, #1d1a3d 0%, transparent 60%), radial-gradient(900px 400px at 90% 0%, #2a1622 0%, transparent 55%);
  --card:#161920;
  --card-2:#1b1f27;
  --line:#262b36;
  --line-soft:#20242d;
  --text:#eef0f6;
  --text-2:#b4bac8;
  --text-3:#7e8596;
  --primary:#8b8bf5;
  --primary-2:#a78bfa;
  --primary-soft:#26234a;
  --accent:#fb7185;
  --accent-soft:#3a1b25;
  --green:#34d399;
  --green-soft:#123027;
  --gold:#fbbf24;
  --gold-soft:#33270f;
  --blue-soft:#152238;
  --shadow:0 1px 2px rgba(0,0,0,.3), 0 14px 34px -18px rgba(0,0,0,.6);
  --shadow-lg:0 30px 70px -24px rgba(0,0,0,.7);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--text);background:var(--bg);
  background-image:var(--bg-grad);background-attachment:fixed;
  -webkit-font-smoothing:antialiased;font-size:14px;line-height:1.6;
}
img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;font-size:inherit}
input,select,textarea{font-family:inherit;color:inherit}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.sprite{position:absolute;width:0;height:0;overflow:hidden}
.ico{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.ico.fill{fill:currentColor;stroke:none}
::selection{background:var(--primary);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:rgba(120,125,145,.28);border-radius:99px;border:2px solid transparent;background-clip:content-box}
::-webkit-scrollbar-track{background:transparent}

/* ---------- 顶栏 ---------- */
.topbar{
  position:fixed;inset:0 0 auto 0;height:var(--nav-h);z-index:60;
  background:color-mix(in srgb, var(--card) 82%, transparent);
  backdrop-filter:saturate(1.4) blur(16px);
  -webkit-backdrop-filter:saturate(1.4) blur(16px);
  border-bottom:1px solid var(--line);
}
.topbar-inner{max-width:1240px;height:100%;margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#fff;font-weight:700;font-size:19px;letter-spacing:1px;
  box-shadow:0 8px 18px -8px rgba(91,91,214,.7);
}
.brand-name{font-weight:700;font-size:19px;letter-spacing:.5px;line-height:1.1;display:flex;flex-direction:column}
.brand-name small{font-size:9px;letter-spacing:2.4px;color:var(--text-3);font-weight:600;margin-top:2px}

.search-wrap{position:relative;flex:1;max-width:420px;min-width:0}
.search-wrap .ico{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:17px;height:17px;color:var(--text-3);pointer-events:none}
.search-wrap input{
  width:100%;height:40px;border-radius:12px;border:1px solid var(--line);
  background:var(--card-2);padding:0 14px 0 38px;font-size:13.5px;outline:none;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.search-wrap input::placeholder{color:var(--text-3)}
.search-wrap input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft);background:var(--card)}
.search-panel{
  position:absolute;top:48px;left:0;right:0;background:var(--card);border:1px solid var(--line);
  border-radius:14px;box-shadow:var(--shadow-lg);padding:8px;max-height:420px;overflow:auto;z-index:70;
}
.search-panel .sp-group{font-size:11px;color:var(--text-3);padding:8px 10px 4px;letter-spacing:.6px}
.search-panel .sp-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px;cursor:pointer}
.search-panel .sp-item:hover{background:var(--card-2)}
.search-panel .sp-item .ico{color:var(--text-3);width:16px;height:16px}
.search-panel .sp-empty{padding:22px 12px;text-align:center;color:var(--text-3);font-size:13px}

.top-actions{display:flex;align-items:center;gap:6px;margin-left:auto}
.icon-btn{
  position:relative;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  color:var(--text-2);transition:background .18s,color .18s;
}
.icon-btn:hover{background:var(--card-2);color:var(--text)}
.icon-btn .ico{width:19px;height:19px}
.icon-btn .dot{position:absolute;top:9px;right:9px;width:7px;height:7px;border-radius:50%;background:var(--accent);border:1.5px solid var(--card)}
.icon-btn .count{
  position:absolute;top:4px;right:3px;min-width:16px;height:16px;padding:0 4px;border-radius:99px;
  background:var(--accent);color:#fff;font-size:10px;font-weight:600;display:grid;place-items:center;border:1.5px solid var(--card);
}
.avatar-btn{padding:0;margin-left:4px;border-radius:50%}
.avatar-btn .avatar{width:36px;height:36px}

/* 头像 */
.avatar{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;flex:none;
  color:#fff;font-weight:600;font-size:15px;letter-spacing:.5px;user-select:none;
  background:linear-gradient(135deg,#6d6df0,#a06bf5);
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.18);
}
.avatar.sm{width:32px;height:32px;font-size:12.5px}
.avatar.lg{width:64px;height:64px;font-size:24px}
.avatar.xl{width:88px;height:88px;font-size:33px;border:4px solid var(--card);box-shadow:var(--shadow)}
.av-me{background:linear-gradient(135deg,#4f46e5,#7c3aed)}
.av-a{background:linear-gradient(135deg,#f97316,#f43f5e)}
.av-b{background:linear-gradient(135deg,#0ea5e9,#22d3ee)}
.av-c{background:linear-gradient(135deg,#10b981,#84cc16)}
.av-d{background:linear-gradient(135deg,#e11d48,#f472b6)}
.av-e{background:linear-gradient(135deg,#8b5cf6,#6366f1)}
.av-f{background:linear-gradient(135deg,#0f766e,#14b8a6)}
.av-g{background:linear-gradient(135deg,#b45309,#f59e0b)}
.av-h{background:linear-gradient(135deg,#475569,#94a3b8)}
.av-i{background:linear-gradient(135deg,#be123c,#fb7185)}
.av-j{background:linear-gradient(135deg,#1d4ed8,#60a5fa)}

/* ---------- 布局 ---------- */
.layout{
  max-width:1240px;margin:0 auto;padding:calc(var(--nav-h) + 22px) 24px 80px;
  display:grid;grid-template-columns:232px minmax(0,1fr) 320px;gap:24px;align-items:start;
}
.main-col{min-width:0}
.view{display:none;animation:fadeUp .32s ease both}
.view.active{display:block}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.muted{color:var(--text-3);font-size:12px}

/* ---------- 左侧栏 ---------- */
.side-left{position:sticky;top:calc(var(--nav-h) + 22px)}
.side-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:14px}
.nav-item{
  display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:12px;
  color:var(--text-2);font-size:14.5px;font-weight:500;transition:background .18s,color .18s,transform .18s;
}
.nav-item .ico{width:20px;height:20px;color:var(--text-3);transition:color .18s}
.nav-item:hover{background:var(--card);color:var(--text)}
.nav-item:hover .ico{color:var(--primary)}
.nav-item.active{background:var(--card);color:var(--primary);font-weight:600;box-shadow:var(--shadow)}
.nav-item.active .ico{color:var(--primary)}
.nav-item .badge{
  margin-left:auto;min-width:18px;height:18px;padding:0 5px;border-radius:99px;
  background:var(--accent);color:#fff;font-size:10.5px;font-weight:600;display:grid;place-items:center;
}
.nav-item .tag-new{
  margin-left:auto;font-size:9.5px;font-weight:700;letter-spacing:.5px;color:var(--primary);
  background:var(--primary-soft);padding:2px 6px;border-radius:6px;font-style:normal;
}
.btn-compose{
  width:100%;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;gap:7px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;font-weight:600;font-size:15px;
  box-shadow:0 12px 26px -12px rgba(91,91,214,.75);transition:transform .18s,box-shadow .18s;
}
.btn-compose:hover{transform:translateY(-1px);box-shadow:0 16px 32px -12px rgba(91,91,214,.85)}
.btn-compose .ico{width:18px;height:18px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:15px 14px;margin-top:16px;box-shadow:var(--shadow)}
.side-card h4{font-size:12px;color:var(--text-3);font-weight:600;letter-spacing:.8px;margin-bottom:8px}
.my-circles li{display:flex;align-items:center;gap:9px;padding:7px 6px;border-radius:9px;cursor:pointer;font-size:13px;color:var(--text-2)}
.my-circles li:hover{background:var(--card-2);color:var(--text)}
.my-circles .dot{width:8px;height:8px;border-radius:50%;flex:none}
.my-circles b{margin-left:auto;font-weight:500;color:var(--text-3);font-size:11.5px}
.side-foot{font-size:11px;color:var(--text-3);line-height:1.7;margin-top:18px;padding-left:4px}
.side-foot span{font-size:10.5px;opacity:.8}

/* ---------- 按钮 ---------- */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:40px;padding:0 18px;border-radius:11px;font-weight:600;font-size:13.5px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;
  box-shadow:0 8px 18px -8px rgba(91,91,214,.7);transition:transform .16s,filter .16s,opacity .16s;
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06)}
.btn-primary:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn-primary.sm{height:34px;padding:0 13px;font-size:12.5px;border-radius:9px}
.btn-primary .ico{width:16px;height:16px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:40px;padding:0 18px;border-radius:11px;font-weight:500;font-size:13.5px;
  background:var(--card);border:1px solid var(--line);color:var(--text-2);
  transition:border-color .16s,color .16s,background .16s;
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.btn-ghost.sm{height:34px;padding:0 12px;font-size:12.5px;border-radius:9px}
.btn-ghost .ico{width:15px;height:15px}
.link-btn{display:inline-flex;align-items:center;gap:3px;color:var(--text-3);font-size:12px;font-weight:500}
.link-btn:hover{color:var(--primary)}
.link-btn .ico{width:14px;height:14px}
.link-btn.wide{width:100%;justify-content:center;padding:10px 0 2px;border-top:1px solid var(--line-soft);margin-top:8px}

/* ---------- 区块标题 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;margin:2px 2px 16px}
.section-head h2{font-size:23px;letter-spacing:-.4px;font-weight:700}
.section-head p{font-size:13px;color:var(--text-3);margin-top:3px}
.date-chip{font-size:12px;color:var(--text-3);background:var(--card);border:1px solid var(--line);padding:6px 12px;border-radius:99px}

/* ---------- 动态故事条 ---------- */
.stories{display:flex;gap:4px;padding:14px 10px;margin-bottom:14px;overflow-x:auto;scrollbar-width:none}
.stories::-webkit-scrollbar{display:none}
.story{flex:none;width:78px;display:flex;flex-direction:column;align-items:center;gap:6px;padding:4px 2px;border-radius:12px}
.story:hover{background:var(--card-2)}
.story-ring{
  width:62px;height:62px;border-radius:50%;padding:2.5px;
  background:conic-gradient(from 200deg,#f43f5e,#f59e0b,#8b5cf6,#4f46e5,#f43f5e);
  display:grid;place-items:center;transition:transform .2s;
}
.story:hover .story-ring{transform:scale(1.04)}
.story-ring.seen{background:var(--line)}
.story-ring .avatar{width:54px;height:54px;border:2.5px solid var(--card);font-size:18px}
.story-name{font-size:11.5px;color:var(--text-2);max-width:74px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:center}
.story.mine .story-ring{background:var(--line);position:relative}
.story.mine .add-badge{
  position:absolute;right:0;bottom:0;width:20px;height:20px;border-radius:50%;
  background:var(--primary);color:#fff;display:grid;place-items:center;border:2px solid var(--card);
}
.story.mine .add-badge .ico{width:11px;height:11px;stroke-width:3}

/* ---------- 发布入口 ---------- */
.composer-entry{padding:15px 18px 10px;margin-bottom:14px}
.ce-row{display:flex;align-items:center;gap:11px}
.ce-fake{
  flex:1;height:42px;border-radius:12px;background:var(--card-2);border:1px solid var(--line-soft);
  text-align:left;padding:0 15px;color:var(--text-3);font-size:13.5px;transition:border-color .18s,background .18s;
}
.ce-fake:hover{border-color:var(--primary);background:var(--card);color:var(--text-2)}
.ce-quick{display:flex;gap:2px;margin-top:10px;padding-top:8px;border-top:1px solid var(--line-soft)}
.ce-quick button{
  flex:1;display:flex;align-items:center;justify-content:center;gap:6px;height:34px;
  border-radius:9px;font-size:12.5px;color:var(--text-3);font-weight:500;transition:background .16s,color .16s;
}
.ce-quick button:hover{background:var(--card-2);color:var(--primary)}
.ce-quick .ico{width:16px;height:16px}

/* ---------- 信息流选项卡 ---------- */
.feed-tabs{
  display:flex;align-items:center;gap:4px;padding:7px;margin-bottom:14px;
  position:sticky;top:calc(var(--nav-h) + 10px);z-index:30;
  background:color-mix(in srgb,var(--card) 88%,transparent);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.feed-tabs button{padding:7px 16px;border-radius:9px;font-size:13.5px;font-weight:500;color:var(--text-3);transition:background .18s,color .18s}
.feed-tabs button:hover{color:var(--text)}
.feed-tabs button.active{background:var(--primary-soft);color:var(--primary);font-weight:600}
.feed-tip{margin-left:auto;font-size:11.5px;color:var(--text-3);padding-right:8px;white-space:nowrap}

/* ---------- 帖子卡片 ---------- */
.feed-list{display:flex;flex-direction:column;gap:14px}
.post{padding:18px 20px 14px;transition:box-shadow .25s,transform .25s}
.post:hover{box-shadow:0 14px 36px -20px rgba(18,20,28,.24)}
.post.new-post{animation:postIn .5s cubic-bezier(.2,.8,.2,1) both}
@keyframes postIn{from{opacity:0;transform:translateY(-10px) scale(.985)}to{opacity:1;transform:none}}
.post-head{display:flex;align-items:flex-start;gap:11px}
.post-meta{flex:1;min-width:0}
.post-name{display:flex;align-items:center;gap:6px;font-weight:600;font-size:14.5px;line-height:1.4}
.post-name .name-txt{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.badge-v{
  width:15px;height:15px;border-radius:50%;display:grid;place-items:center;flex:none;
  background:linear-gradient(135deg,#4f8dfd,#5b5bd6);color:#fff;font-size:9px;font-weight:800;font-style:normal;
}
.badge-v.gold{background:linear-gradient(135deg,#f59e0b,#f43f5e)}
.badge-role{font-size:10.5px;font-weight:500;color:var(--text-3);background:var(--card-2);border:1px solid var(--line);padding:1px 6px;border-radius:5px;white-space:nowrap}
.post-sub{font-size:11.5px;color:var(--text-3);margin-top:2px;display:flex;align-items:center;gap:5px}
.post-sub .ico{width:11px;height:11px}
.post-more{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;color:var(--text-3);flex:none}
.post-more:hover{background:var(--card-2);color:var(--text)}
.post-more .ico{width:17px;height:17px}
.post-text{font-size:15px;line-height:1.78;margin-top:11px;white-space:pre-line;color:var(--text)}
.post-text .hl{color:var(--primary);font-weight:500}
.topic-tag{
  display:inline-flex;align-items:center;gap:3px;margin-top:10px;padding:3px 9px;border-radius:7px;
  background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:500;cursor:pointer;
}
.topic-tag:hover{background:color-mix(in srgb,var(--primary) 16%,transparent)}

/* 图片网格 */
.media{display:grid;gap:5px;margin-top:12px;border-radius:12px;overflow:hidden}
.media-1{grid-template-columns:1fr}
.media-2{grid-template-columns:1fr 1fr}
.media-3{grid-template-columns:1fr 1fr 1fr}
.media-4{grid-template-columns:1fr 1fr}
.media-item{position:relative;overflow:hidden;background:var(--card-2);cursor:zoom-in}
.media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .5s cubic-bezier(.2,.8,.2,1)}
.media-1 img{aspect-ratio:16/10;max-height:430px}
.media-item:hover img{transform:scale(1.025)}
.media-more{
  position:absolute;inset:0;background:rgba(10,12,20,.52);color:#fff;display:grid;place-items:center;
  font-size:22px;font-weight:600;letter-spacing:.5px;backdrop-filter:blur(2px);
}

/* 帖子数据与操作 */
.post-stats{display:flex;align-items:center;gap:14px;margin-top:12px;font-size:12px;color:var(--text-3)}
.post-stats span{display:inline-flex;align-items:center;gap:4px}
.post-stats .ico{width:13px;height:13px}
.post-actions{display:flex;gap:2px;margin-top:9px;padding-top:8px;border-top:1px solid var(--line-soft)}
.post-actions button{
  flex:1;display:flex;align-items:center;justify-content:center;gap:6px;height:34px;border-radius:9px;
  font-size:12.5px;font-weight:500;color:var(--text-3);transition:background .16s,color .16s;
}
.post-actions button:hover{background:var(--card-2);color:var(--text)}
.post-actions .ico{width:16px;height:16px;transition:transform .2s}
.post-actions .act-like.liked{color:var(--accent)}
.post-actions .act-like.liked .ico{fill:currentColor;stroke:currentColor;animation:pop .42s cubic-bezier(.2,1.6,.4,1)}
.post-actions .act-save.saved{color:var(--gold)}
.post-actions .act-save.saved .ico{fill:currentColor}
@keyframes pop{0%{transform:scale(1)}40%{transform:scale(1.35)}70%{transform:scale(.92)}100%{transform:scale(1)}}

/* 评论预览 */
.post-comments{margin-top:10px;background:var(--card-2);border-radius:10px;padding:9px 12px}
.cmt{display:flex;gap:6px;font-size:12.5px;line-height:1.6;color:var(--text-2)}
.cmt + .cmt{margin-top:4px}
.cmt b{color:var(--text);font-weight:600;flex:none}
.cmt span{color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cmt-more{font-size:11.5px;color:var(--text-3);margin-top:5px;cursor:pointer;display:inline-block}
.cmt-more:hover{color:var(--primary)}

.load-more-wrap{display:flex;justify-content:center;padding:20px 0 8px}
.load-more-wrap .btn-ghost{min-width:200px}

/* 话题横向筛选 */
.chip-row{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 14px;scrollbar-width:none}
.chip-row::-webkit-scrollbar{display:none}
.chip{
  flex:none;padding:7px 14px;border-radius:99px;background:var(--card);border:1px solid var(--line);
  font-size:12.5px;color:var(--text-2);font-weight:500;transition:all .18s;
}
.chip:hover{border-color:var(--primary);color:var(--primary)}
.chip.active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 8px 18px -10px rgba(91,91,214,.8)}

/* ---------- 发现 · 瀑布流 ---------- */
.masonry{column-count:3;column-gap:12px}
.m-item{
  break-inside:avoid;margin:0 0 12px;border-radius:14px;overflow:hidden;position:relative;
  cursor:zoom-in;background:var(--card);border:1px solid var(--line);
}
.m-item img{width:100%;height:auto;display:block;transition:transform .55s cubic-bezier(.2,.8,.2,1)}
.m-item:hover img{transform:scale(1.035)}
.m-ov{
  position:absolute;inset:auto 0 0 0;padding:34px 12px 11px;color:#fff;
  background:linear-gradient(transparent,rgba(8,10,18,.82));
  opacity:0;transform:translateY(6px);transition:opacity .25s,transform .25s;
}
.m-item:hover .m-ov{opacity:1;transform:none}
.m-title{font-size:12.5px;font-weight:500;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.m-author{font-size:11px;opacity:.78;margin-top:4px;display:flex;align-items:center;gap:5px}
.m-author .ico{width:12px;height:12px}
.m-like{position:absolute;top:9px;right:9px;background:rgba(10,12,20,.45);backdrop-filter:blur(6px);color:#fff;font-size:10.5px;padding:3px 7px;border-radius:6px;display:flex;align-items:center;gap:3px}
.m-like .ico{width:11px;height:11px;fill:currentColor;stroke:none}

/* ---------- 圈子广场 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.topic-card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  box-shadow:var(--shadow);cursor:pointer;transition:transform .22s,box-shadow .22s;
}
.topic-card:hover{transform:translateY(-3px);box-shadow:0 20px 40px -22px rgba(18,20,28,.32)}
.topic-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--card-2)}
.topic-cover img{width:100%;height:100%;object-fit:cover;transition:transform .55s}
.topic-card:hover .topic-cover img{transform:scale(1.06)}
.topic-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(8,10,18,.42))}
.tc-badge{
  position:absolute;top:10px;left:10px;z-index:2;background:rgba(10,12,20,.5);backdrop-filter:blur(6px);
  color:#fff;font-size:10.5px;padding:3px 8px;border-radius:6px;display:flex;align-items:center;gap:4px;
}
.tc-badge .ico{width:11px;height:11px}
.tc-emoji{position:absolute;left:12px;bottom:10px;z-index:2;font-size:22px;filter:drop-shadow(0 2px 6px rgba(0,0,0,.4))}
.topic-body{padding:12px 14px 14px}
.topic-title{font-size:15px;font-weight:600;display:flex;align-items:center;gap:6px}
.topic-title .ico{width:14px;height:14px;color:var(--primary)}
.topic-desc{
  font-size:12px;color:var(--text-3);margin-top:4px;line-height:1.55;min-height:37px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.topic-foot{display:flex;align-items:center;justify-content:space-between;margin-top:11px}
.topic-stats{font-size:11px;color:var(--text-3);display:flex;gap:10px}
.topic-stats span{display:inline-flex;align-items:center;gap:3px}
.topic-stats .ico{width:11px;height:11px}
.join-btn{height:28px;padding:0 13px;border-radius:8px;font-size:12px;font-weight:600;background:var(--primary-soft);color:var(--primary);transition:all .18s}
.join-btn:hover{background:var(--primary);color:#fff}
.join-btn.joined{background:var(--card-2);color:var(--text-3);border:1px solid var(--line)}
.join-btn.joined:hover{background:var(--card-2);color:var(--text-2)}

/* 圈子 CTA 横幅 */
.banner-cta{
  margin-top:16px;padding:26px 28px;display:flex;justify-content:space-between;gap:20px;align-items:center;
  background:linear-gradient(120deg,#4f46e5,#7c3aed 55%,#c026d3);border:0;color:#fff;position:relative;overflow:hidden;
}
.banner-cta h3{font-size:19px;letter-spacing:-.2px}
.banner-cta p{font-size:13px;opacity:.86;margin:7px 0 15px;max-width:430px;line-height:1.7}
.banner-cta .btn-primary{background:#fff;color:#4f46e5;box-shadow:0 10px 24px -12px rgba(0,0,0,.5)}
.banner-art{position:absolute;inset:0;pointer-events:none}
.banner-art span{position:absolute;border-radius:50%;background:rgba(255,255,255,.12)}
.ba-1{width:180px;height:180px;right:-30px;top:-60px}
.ba-2{width:110px;height:110px;right:90px;bottom:-50px;background:rgba(255,255,255,.09)!important}
.ba-3{width:60px;height:60px;right:230px;top:20px;background:rgba(255,255,255,.16)!important}

/* ---------- 圈子详情 ---------- */
.topic-hero{border-radius:16px;overflow:hidden;margin-bottom:14px;border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow)}
.th-cover{height:148px;position:relative;overflow:hidden}
.th-cover img{width:100%;height:100%;object-fit:cover}
.th-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,10,18,.12) 0%,rgba(8,10,18,.28) 55%,var(--card) 100%)}
.th-body{padding:0 20px 18px;margin-top:-32px;position:relative}
.th-title{display:flex;align-items:flex-end;gap:12px}
.th-emoji{
  width:64px;height:64px;border-radius:18px;background:var(--card);display:grid;place-items:center;
  font-size:30px;border:3px solid var(--card);box-shadow:var(--shadow);flex:none;
}
.th-name{font-size:20px;font-weight:700;padding-bottom:8px;letter-spacing:-.3px}
.th-desc{font-size:13px;color:var(--text-2);margin-top:10px;line-height:1.7;max-width:560px}
.th-stats{display:flex;gap:18px;margin-top:10px;font-size:12px;color:var(--text-3);flex-wrap:wrap}
.th-stats b{color:var(--text);font-weight:600}
.th-actions{position:absolute;right:20px;top:10px;display:flex;gap:8px}
.back-btn{display:inline-flex;align-items:center;gap:5px;font-size:13px;color:var(--text-3);margin-bottom:12px}
.back-btn .ico{width:15px;height:15px;transform:rotate(180deg)}
.back-btn:hover{color:var(--primary)}

/* ---------- 消息 ---------- */
.chat-shell{display:grid;grid-template-columns:284px 1fr;height:640px;overflow:hidden;padding:0}
.chat-list{border-right:1px solid var(--line);overflow-y:auto;background:var(--card-2)}
.chat-item{display:flex;gap:10px;padding:12px 14px;cursor:pointer;border-bottom:1px solid var(--line-soft);transition:background .16s}
.chat-item:hover{background:var(--card)}
.chat-item.active{background:var(--card);box-shadow:inset 3px 0 0 var(--primary)}
.ci-main{flex:1;min-width:0}
.ci-top{display:flex;justify-content:space-between;gap:8px;align-items:center}
.ci-name{font-size:13.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ci-time{font-size:10.5px;color:var(--text-3);flex:none}
.ci-msg{font-size:12px;color:var(--text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.ci-unread{min-width:17px;height:17px;border-radius:99px;background:var(--accent);color:#fff;font-size:10px;display:grid;place-items:center;padding:0 5px;margin-top:4px;font-weight:600}
.chat-main{display:flex;flex-direction:column;min-width:0;background:var(--card)}
.chat-top{display:flex;align-items:center;gap:10px;padding:12px 18px;border-bottom:1px solid var(--line);flex:none}
.chat-top .ct-name{font-weight:600;font-size:14.5px;line-height:1.3}
.chat-top .ct-sub{font-size:11px;color:var(--green);display:flex;align-items:center;gap:4px}
.chat-top .ct-sub i{width:6px;height:6px;border-radius:50%;background:var(--green);display:inline-block}
.chat-top .icon-btn{margin-left:auto}
.chat-body{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:10px;background:var(--card-2)}
.msg{display:flex;gap:8px;max-width:80%;align-items:flex-end}
.msg .avatar{width:30px;height:30px;font-size:12px}
.msg .bubble{padding:9px 13px;border-radius:14px;font-size:13.5px;line-height:1.65;background:var(--card);border:1px solid var(--line);border-bottom-left-radius:5px;word-break:break-word}
.msg.me{align-self:flex-end;flex-direction:row-reverse}
.msg.me .bubble{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;border:0;border-bottom-left-radius:14px;border-bottom-right-radius:5px}
.msg-time{font-size:10px;color:var(--text-3);flex:none;margin-bottom:3px}
.chat-day{align-self:center;font-size:10.5px;color:var(--text-3);background:var(--card);border:1px solid var(--line);padding:2px 10px;border-radius:99px}
.chat-input{display:flex;gap:8px;padding:12px 14px;border-top:1px solid var(--line);align-items:center;flex:none}
.chat-input input{flex:1;height:40px;border-radius:11px;border:1px solid var(--line);background:var(--card-2);padding:0 14px;outline:none;font-size:13.5px}
.chat-input input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft);background:var(--card)}
.chat-input .send{width:40px;height:40px;border-radius:11px;background:var(--primary);color:#fff;display:grid;place-items:center;transition:filter .16s}
.chat-input .send:hover{filter:brightness(1.08)}
.typing{display:flex;gap:3px;padding:13px 15px;background:var(--card);border:1px solid var(--line);border-radius:14px;border-bottom-left-radius:5px;width:max-content}
.typing i{width:5px;height:5px;border-radius:50%;background:var(--text-3);animation:blink 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}
.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.25}40%{opacity:1}}
.chat-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--text-3);font-size:13px}
.chat-empty .ico{width:42px;height:42px;opacity:.35}

/* ---------- 创作中心 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:14px}
.stat-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:15px 16px 13px;box-shadow:var(--shadow)}
.sc-icon{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;margin-bottom:6px}
.sc-icon .ico{width:16px;height:16px}
.t-purple{background:var(--primary-soft);color:var(--primary)}
.t-rose{background:var(--accent-soft);color:var(--accent)}
.t-green{background:var(--green-soft);color:var(--green)}
.t-gold{background:var(--gold-soft);color:var(--gold)}
.sc-label{font-size:11.5px;color:var(--text-3)}
.sc-value{font-size:20px;font-weight:700;letter-spacing:-.5px;margin-top:3px;font-variant-numeric:tabular-nums;line-height:1.3;white-space:nowrap}
.sc-value small{font-size:12px;font-weight:500;color:var(--text-3);margin-left:2px}
.sc-delta{font-size:11px;margin-top:3px;color:var(--text-3);display:flex;align-items:center;gap:4px}
.sc-delta.up{color:var(--green)}
.creator-cols{display:grid;grid-template-columns:1.55fr 1fr;gap:14px;margin-bottom:14px}
.chart-card,.task-card,.collab-card,.product-card{padding:16px 18px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.card-head h3{font-size:14.5px;font-weight:600}
.delta{font-size:11px;font-weight:600;padding:2px 7px;border-radius:6px;background:var(--green-soft);color:var(--green)}
.chart-wrap{position:relative;height:190px}
.chart-wrap canvas{width:100%!important;height:100%!important;display:block}
.chart-legend{display:flex;gap:16px;margin-top:10px;font-size:11px;color:var(--text-3)}
.lg{width:8px;height:8px;border-radius:2px;display:inline-block;margin-right:5px}
.lg-a{background:#5b5bd6}.lg-b{background:#f43f5e}.lg-c{background:#f59e0b}
.task-progress{height:6px;border-radius:99px;background:var(--card-2);overflow:hidden;margin:2px 0 10px}
.task-progress i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--primary),var(--primary-2))}
.task-list li{display:flex;align-items:center;gap:8px;padding:8px 0;font-size:12.5px;color:var(--text-2);border-bottom:1px dashed var(--line-soft)}
.task-list li:last-child{border:0;padding-bottom:0}
.task-check{width:18px;height:18px;border-radius:50%;border:1.5px solid var(--line);display:grid;place-items:center;flex:none;color:transparent}
.task-list li.done .task-check{background:var(--green);border-color:var(--green);color:#fff}
.task-list li.done .task-check .ico{width:10px;height:10px;stroke-width:3}
.task-list li.done .tk-txt{color:var(--text-3);text-decoration:line-through}
.task-reward{margin-left:auto;font-size:10.5px;color:var(--gold);background:var(--gold-soft);padding:1px 6px;border-radius:5px;font-weight:600;flex:none}
.collab-card,.product-card{margin-bottom:14px}
.collab-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.collab{display:flex;gap:10px;padding:12px;border-radius:12px;border:1px solid var(--line);background:var(--card-2);transition:border-color .2s,transform .2s}
.collab:hover{border-color:var(--primary);transform:translateY(-1px)}
.collab-logo{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;font-size:19px;flex:none;background:var(--card);border:1px solid var(--line)}
.collab-main{flex:1;min-width:0}
.collab-name{font-size:13px;font-weight:600;display:flex;gap:6px;align-items:center}
.collab-tag{font-size:9.5px;color:var(--primary);background:var(--primary-soft);padding:1px 5px;border-radius:4px;font-weight:500}
.collab-desc{font-size:11.5px;color:var(--text-3);margin-top:3px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.collab-budget{font-size:12px;color:var(--gold);font-weight:600;margin-top:5px}
.collab-btn{align-self:center;height:28px;padding:0 10px;border-radius:7px;background:var(--primary);color:#fff;font-size:11.5px;font-weight:500;flex:none}
.product-list{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.product{border-radius:12px;overflow:hidden;border:1px solid var(--line);background:var(--card-2);cursor:pointer;transition:transform .2s}
.product:hover{transform:translateY(-2px)}
.product img{aspect-ratio:1/1;width:100%;object-fit:cover}
.product-info{padding:8px 9px 10px}
.product-name{font-size:11.5px;font-weight:500;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:33px}
.product-meta{display:flex;justify-content:space-between;align-items:center;margin-top:6px}
.product-price{font-size:13px;font-weight:700;color:var(--accent)}
.product-price small{font-size:10px;font-weight:500}
.product-comm{font-size:9.5px;color:var(--gold);background:var(--gold-soft);padding:1px 5px;border-radius:4px;font-weight:600}

/* ---------- 个人主页 ---------- */
.profile-cover{height:168px;border-radius:16px;overflow:hidden;position:relative;border:1px solid var(--line)}
.profile-cover img{width:100%;height:100%;object-fit:cover}
.profile-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(8,10,18,.3))}
.profile-card{margin-top:-42px;position:relative;padding:0 22px 18px}
.pc-top{display:flex;align-items:flex-end;gap:14px}
.pc-avatar{margin-top:-26px}
.pc-name{font-size:21px;font-weight:700;display:flex;align-items:center;gap:7px;padding-bottom:2px;letter-spacing:-.3px}
.pc-handle{font-size:12.5px;color:var(--text-3)}
.pc-actions{margin-left:auto;display:flex;gap:8px;padding-bottom:2px}
.pc-bio{font-size:13px;color:var(--text-2);line-height:1.7;margin-top:12px;max-width:600px}
.pc-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:9px}
.pc-tag{font-size:11px;color:var(--text-2);background:var(--card-2);border:1px solid var(--line);padding:2px 8px;border-radius:99px}
.pc-stats{display:flex;gap:22px;margin-top:14px;font-size:12.5px;color:var(--text-3)}
.pc-stats b{color:var(--text);font-weight:700;font-size:15px;margin-right:3px}
.profile-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:14px}
.pg-item{position:relative;border-radius:12px;overflow:hidden;cursor:pointer;background:var(--card-2);aspect-ratio:1/1}
.pg-item img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.pg-item:hover img{transform:scale(1.05)}
.pg-like{position:absolute;bottom:8px;left:8px;color:#fff;font-size:11px;display:flex;align-items:center;gap:4px;text-shadow:0 1px 4px rgba(0,0,0,.55)}
.pg-like .ico{width:12px;height:12px;fill:currentColor;stroke:none}
.pg-text{padding:14px;font-size:12.5px;line-height:1.6;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:6;-webkit-box-orient:vertical;overflow:hidden}
.pg-empty{grid-column:1/-1;text-align:center;color:var(--text-3);padding:50px 0;font-size:13px}

/* ---------- 通知 ---------- */
.notif-list{display:flex;flex-direction:column;gap:10px}
.notif{display:flex;gap:12px;padding:14px 16px;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);transition:background .2s}
.notif.unread{background:color-mix(in srgb,var(--primary-soft) 38%,var(--card))}
.notif-icon{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;flex:none}
.notif-icon .ico{width:17px;height:17px}
.notif-main{flex:1;min-width:0}
.notif-text{font-size:13px;line-height:1.6;color:var(--text-2)}
.notif-text b{font-weight:600;color:var(--text)}
.notif-time{font-size:11px;color:var(--text-3);margin-top:3px}
.notif-thumb{width:44px;height:44px;border-radius:9px;object-fit:cover;flex:none}
.notif-unread-dot{width:7px;height:7px;border-radius:50%;background:var(--primary);flex:none;margin-top:7px}

/* ---------- 右侧栏 ---------- */
.side-right{position:sticky;top:calc(var(--nav-h) + 22px);display:flex;flex-direction:column;gap:14px}
.hot-card,.follow-card{padding:15px 16px}
.live-dot{font-size:10px;font-weight:700;color:var(--accent);display:flex;align-items:center;gap:4px;letter-spacing:.5px}
.live-dot i{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.75)}}
.hot-item{display:flex;gap:9px;padding:8px 3px;cursor:pointer;border-radius:8px}
.hot-item:hover{background:var(--card-2)}
.hot-rank{width:17px;font-size:12.5px;font-weight:700;color:var(--text-3);font-variant-numeric:tabular-nums;flex:none;text-align:center;line-height:1.5}
.hot-item:nth-child(1) .hot-rank{color:#f43f5e}
.hot-item:nth-child(2) .hot-rank{color:#f97316}
.hot-item:nth-child(3) .hot-rank{color:#f59e0b}
.hot-main{flex:1;min-width:0}
.hot-title{font-size:12.5px;font-weight:500;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hot-item:hover .hot-title{color:var(--primary)}
.hot-meta{font-size:10.5px;color:var(--text-3);margin-top:2px;display:flex;align-items:center;gap:6px}
.hot-tag{font-size:9.5px;color:var(--accent);background:var(--accent-soft);padding:0 4px;border-radius:3px;font-weight:600}
.hot-tag.new{color:var(--green);background:var(--green-soft)}
.suggest-list{display:flex;flex-direction:column;gap:1px}
.suggest{display:flex;align-items:center;gap:9px;padding:7px 4px;border-radius:9px}
.suggest:hover{background:var(--card-2)}
.suggest-main{flex:1;min-width:0}
.suggest-name{font-size:12.5px;font-weight:600;display:flex;align-items:center;gap:4px}
.suggest-name .badge-v{width:13px;height:13px;font-size:8px}
.suggest-bio{font-size:10.5px;color:var(--text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:1px}
.follow-btn{height:26px;padding:0 10px;border-radius:7px;font-size:11px;font-weight:600;background:var(--primary-soft);color:var(--primary);flex:none;transition:all .16s}
.follow-btn:hover{background:var(--primary);color:#fff}
.follow-btn.following{background:var(--card-2);color:var(--text-3);border:1px solid var(--line)}
.follow-btn.following:hover{background:var(--card-2);color:var(--text-2)}
.creator-entry{padding:18px;text-align:center;position:relative;overflow:hidden;background:linear-gradient(165deg,var(--primary-soft),var(--card) 68%)}
.ce-badge{width:42px;height:42px;border-radius:12px;margin:0 auto 10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--gold),#f97316);color:#fff;box-shadow:0 10px 22px -10px rgba(245,158,11,.85)}
.ce-badge .ico{width:20px;height:20px}
.creator-entry h3{font-size:14.5px}
.creator-entry p{font-size:11.5px;color:var(--text-3);line-height:1.65;margin:6px 0 12px}
.creator-entry .btn-primary{height:34px;font-size:12.5px;border-radius:9px;width:100%}
.side-links{font-size:11px;color:var(--text-3);line-height:1.8;padding-left:4px}
.side-copy{font-size:10.5px;color:var(--text-3);opacity:.75;line-height:1.7;padding-left:4px;margin-top:-4px}

/* ---------- 弹窗通用 ---------- */
.modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:20px}
.modal.open{display:flex}
.modal-mask{position:absolute;inset:0;background:rgba(10,12,20,.55);backdrop-filter:blur(4px);animation:fadeIn .25s}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal-panel{
  position:relative;background:var(--card);border-radius:20px;box-shadow:var(--shadow-lg);
  width:100%;max-width:560px;max-height:90vh;overflow:auto;animation:modalIn .32s cubic-bezier(.2,.9,.3,1);
}
@keyframes modalIn{from{opacity:0;transform:translateY(18px) scale(.97)}to{opacity:1;transform:none}}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:15px 20px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--card);z-index:2}
.modal-head h3{font-size:16px;font-weight:600}
.composer-body{padding:16px 20px 18px}
.ce-user b{font-size:14px}
.ce-user small{display:block;font-size:11px;color:var(--text-3)}
#composerText{width:100%;border:0;outline:none;resize:none;background:transparent;font-size:15.5px;line-height:1.75;margin-top:14px;color:var(--text)}
#composerText::placeholder{color:var(--text-3)}
.pick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:12px}
.pick-item{position:relative;aspect-ratio:1/1;border-radius:9px;overflow:hidden;cursor:pointer;border:2px solid transparent;transition:border-color .16s,transform .16s}
.pick-item:hover{transform:scale(1.02)}
.pick-item img{width:100%;height:100%;object-fit:cover}
.pick-item.on{border-color:var(--primary)}
.pick-item.on::after{content:"✓";position:absolute;top:3px;right:3px;width:17px;height:17px;border-radius:50%;background:var(--primary);color:#fff;font-size:10px;display:grid;place-items:center;font-weight:700}
.pick-grid.hidden{display:none}
.pick-meta{display:flex;justify-content:space-between;align-items:center;margin-top:8px;font-size:11px;color:var(--text-3)}
.composer-topic{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:12.5px;color:var(--text-2)}
.composer-topic select{flex:1;height:36px;border-radius:9px;border:1px solid var(--line);background:var(--card-2);padding:0 10px;outline:none;font-size:12.5px;color:var(--text)}
.composer-foot{display:flex;align-items:center;justify-content:space-between;margin-top:14px;padding-top:12px;border-top:1px solid var(--line-soft)}
.composer-tools{display:flex;gap:2px}
.composer-tools .icon-btn{width:34px;height:34px;color:var(--primary)}

/* 帖子详情 */
.post-panel{max-width:620px}
.post-detail{padding:18px 20px 6px}
.post-detail .post-text{font-size:15.5px}
.pd-divider{height:1px;background:var(--line-soft);margin:14px 0}
.cmt-list{display:flex;flex-direction:column;gap:13px;padding:0 20px 16px}
.cmt-item{display:flex;gap:9px}
.cmt-item .avatar{width:32px;height:32px;font-size:12px}
.cmt-body{flex:1;min-width:0}
.cmt-head{display:flex;align-items:center;gap:6px;font-size:12.5px}
.cmt-head b{font-weight:600}
.cmt-head span{font-size:10.5px;color:var(--text-3)}
.cmt-txt{font-size:13px;color:var(--text-2);line-height:1.6;margin-top:2px;word-break:break-word}
.cmt-acts{display:flex;gap:14px;font-size:11px;color:var(--text-3);margin-top:4px}
.cmt-acts span{cursor:pointer}
.cmt-acts span:hover{color:var(--primary)}
.cmt-input{display:flex;gap:8px;align-items:center;padding:12px 20px;border-top:1px solid var(--line);position:sticky;bottom:0;background:var(--card);z-index:2}
.cmt-input input{flex:1;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--card-2);padding:0 13px;outline:none;font-size:13px}
.cmt-input input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
.cmt-input .btn-primary{height:38px;padding:0 15px;font-size:12.5px;border-radius:10px}
.cmt-empty{text-align:center;color:var(--text-3);font-size:12.5px;padding:22px 0}

/* 故事查看 */
.story-panel{position:relative;width:min(420px,92vw);height:min(720px,86vh);border-radius:18px;overflow:hidden;background:#0b0d12;box-shadow:var(--shadow-lg);animation:modalIn .3s}
.story-progress{position:absolute;top:10px;left:10px;right:10px;height:3px;background:rgba(255,255,255,.25);border-radius:99px;z-index:3;overflow:hidden}
.story-progress i{display:block;height:100%;width:0;background:#fff;border-radius:99px;animation:storyProg 6s linear forwards}
@keyframes storyProg{to{width:100%}}
.story-head{position:absolute;top:24px;left:14px;right:14px;display:flex;align-items:center;gap:9px;z-index:3;color:#fff}
.story-head .avatar{width:32px;height:32px;font-size:12px;border:1.5px solid rgba(255,255,255,.6)}
.story-head b{font-size:13px;display:block;line-height:1.3}
.story-head span{font-size:11px;opacity:.75}
.story-head .icon-btn{margin-left:auto;color:#fff;background:rgba(255,255,255,.14)}
.story-img{width:100%;height:100%;object-fit:cover}
.story-caption{
  position:absolute;left:16px;right:16px;bottom:20px;z-index:3;color:#fff;font-size:14px;line-height:1.6;
  text-shadow:0 2px 12px rgba(0,0,0,.6);background:linear-gradient(transparent,rgba(0,0,0,.6));
  padding:44px 12px 12px;margin:-44px -12px -12px;border-radius:12px;
}

/* ---------- 灯箱 ---------- */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(8,10,16,.93);display:flex;align-items:center;justify-content:center;padding:60px 70px}
.lightbox[hidden]{display:none}
.lb-figure{margin:0;max-width:min(1100px,92vw);max-height:86vh;display:flex;flex-direction:column;align-items:center;gap:12px}
.lb-figure img{max-width:100%;max-height:78vh;border-radius:10px;object-fit:contain;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.lb-figure figcaption{color:rgba(255,255,255,.82);font-size:12.5px}
.lb-close{position:absolute;top:20px;right:22px;width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.1);color:#fff;display:grid;place-items:center}
.lb-close:hover{background:rgba(255,255,255,.2)}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.1);color:#fff;display:grid;place-items:center;z-index:2}
.lb-nav:hover{background:rgba(255,255,255,.2)}
.lb-nav.prev{left:18px}
.lb-nav.prev .ico{transform:rotate(180deg)}
.lb-nav.next{right:18px}

/* ---------- Toast ---------- */
.toast-wrap{position:fixed;left:50%;bottom:34px;transform:translateX(-50%);z-index:300;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{
  background:var(--text);color:var(--bg);padding:10px 18px;border-radius:11px;font-size:13px;
  box-shadow:0 16px 40px -12px rgba(0,0,0,.4);animation:toastIn .3s cubic-bezier(.2,.9,.3,1);max-width:80vw;
}
.toast.out{animation:toastOut .25s forwards}
@keyframes toastIn{from{opacity:0;transform:translateY(12px) scale(.96)}to{opacity:1;transform:none}}
@keyframes toastOut{to{opacity:0;transform:translateY(8px)}}

/* ---------- 移动端底栏 ---------- */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;height:58px;z-index:55;
  background:color-mix(in srgb,var(--card) 92%,transparent);backdrop-filter:blur(16px);
  border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);align-items:center;
}
.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:10px;color:var(--text-3);min-width:0}
.tabbar a.active{color:var(--primary)}
.tabbar .ico{width:21px;height:21px}
.tabbar .avatar{width:23px;height:23px;font-size:9px}
.tab-plus{
  width:46px;height:46px;border-radius:15px;background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#fff;display:grid;place-items:center;margin-top:-18px;flex:none;
  box-shadow:0 10px 22px -8px rgba(91,91,214,.85);
}
.tab-plus .ico{width:22px;height:22px}

/* ---------- 响应式 ---------- */
@media(max-width:1180px){
  .layout{grid-template-columns:220px minmax(0,1fr)}
  .side-right{display:none}
}
@media(max-width:980px){
  .layout{grid-template-columns:minmax(0,1fr);padding-bottom:96px}
  .side-left{display:none}
  .masonry{column-count:2}
  .tabbar{display:flex}
}
@media(max-width:720px){
  .topbar-inner{padding:0 14px;gap:12px}
  .brand-name{display:none}
  .search-wrap{max-width:none}
  .top-actions .icon-btn[data-nav="messages"],.top-actions .icon-btn[data-nav="notifications"]{display:none}
  .layout{padding:calc(var(--nav-h) + 14px) 12px 96px}
  .section-head h2{font-size:20px}
  .post{padding:15px 15px 12px}
  .stat-grid{grid-template-columns:1fr 1fr}
  .creator-cols{grid-template-columns:1fr}
  .collab-list{grid-template-columns:1fr}
  .product-list{grid-template-columns:1fr 1fr}
  .chat-shell{grid-template-columns:1fr;height:auto}
  .chat-list{max-height:230px;border-right:0;border-bottom:1px solid var(--line)}
  .chat-main{height:520px}
  .profile-cover{height:120px}
  .pc-top{flex-wrap:wrap}
  .pc-actions{margin-left:0;width:100%;padding-top:10px}
  .feed-tabs{top:calc(var(--nav-h) + 4px)}
  .banner-cta{padding:22px;flex-direction:column;align-items:flex-start}
  .lightbox{padding:56px 10px}
  .lb-nav{display:none}
  .modal{padding:10px}
  .post-panel{max-height:94vh}
}
@media(max-width:460px){
  .story{width:70px}
  .story-ring{width:56px;height:56px}
  .story-ring .avatar{width:48px;height:48px;font-size:16px}
  .masonry{column-count:1}
  .profile-grid{grid-template-columns:repeat(2,1fr)}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}