/* 布局：窄图标栏 + 顶部大搜索条 + 瀑布流图钉；白底、大圆角、图片优先。信息架构沿用 v0.1.9：首页资讯 / 标准品 / 非标品沟通 / 审美 / 软件工具 */
:root{
  --bg:#ececec; --win:#ffffff; --panel:#ffffff; --fg:#111111; --muted:#5f5f5f; --line:#e9e9e9; --soft:#f1f1f1; --hover:#e5e5e5;
  --accent:#1463e8; --accent-ink:#0f4fc0; --accent-soft:#e6efff; --on-accent:#ffffff;
  --ok:#1f8a4c; --warn:#b86e00; --bad:#d23c3c; --me:#dce8ff; --other:#f1f1f1;
  --shadow:0 24px 60px rgba(0,0,0,.18); --shadow-s:0 6px 20px rgba(0,0,0,.12);
  --f-body:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --f-mono:ui-monospace,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#080808; --win:#141414; --panel:#1c1c1c; --fg:#f2f2f2; --muted:#a5a5a5; --line:#2b2b2b; --soft:#242424; --hover:#303030;
  --accent:#4f8dff; --accent-ink:#8ab3ff; --accent-soft:#16264a; --on-accent:#ffffff;
  --ok:#4cc07e; --warn:#f0a53a; --bad:#ef7070; --me:#1d3566; --other:#262626;
  --shadow:0 24px 60px rgba(0,0,0,.6); --shadow-s:0 6px 20px rgba(0,0,0,.45); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#080808; --win:#141414; --panel:#1c1c1c; --fg:#f2f2f2; --muted:#a5a5a5; --line:#2b2b2b; --soft:#242424; --hover:#303030;
  --accent:#4f8dff; --accent-ink:#8ab3ff; --accent-soft:#16264a; --on-accent:#ffffff;
  --ok:#4cc07e; --warn:#f0a53a; --bad:#ef7070; --me:#1d3566; --other:#262626;
  --shadow:0 24px 60px rgba(0,0,0,.6); --shadow-s:0 6px 20px rgba(0,0,0,.45); color-scheme:dark}

html,body{height:100%}
[hidden]{display:none!important}
body{background:var(--bg);color:var(--fg);font-family:var(--f-body);font-size:14px;line-height:1.6;padding:16px;box-sizing:border-box}
*{box-sizing:border-box}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
h1,h2,h3,h4{text-wrap:balance;margin:0;line-height:1.3}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
svg.i{width:20px;height:20px;flex:none}

/* ===== 外壳 ===== */
.win{height:100%;min-height:640px;background:var(--win);border-radius:18px;box-shadow:var(--shadow);display:grid;grid-template-columns:80px 1fr;overflow:hidden;max-width:1500px;margin-inline:auto;position:relative}
.rail{border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:stretch;padding:14px 8px;gap:4px;min-height:0}
.mark{width:44px;height:44px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;font-size:20px;margin:0 auto 10px;flex:none}
.nav{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px;padding:10px 2px;border-radius:14px;border:0;background:transparent;color:var(--muted);position:relative;line-height:1.3}
.nav svg.i{width:22px;height:22px}
.nav:hover{background:var(--soft)}
.nav.on{background:var(--soft);color:var(--fg);font-weight:500}
.nav .dot{position:absolute;top:4px;right:10px;background:var(--bad);color:#fff;font-size:10px;border-radius:9px;padding:0 5px;line-height:16px}
.rail .sp{flex:1}
.work{display:grid;grid-template-rows:auto 1fr;min-width:0;min-height:0}
.topbar{display:flex;align-items:center;gap:10px;padding:14px 22px 8px;flex-wrap:wrap}
.search{flex:1 1 260px;display:flex;align-items:center;gap:10px;background:var(--soft);border:2px solid transparent;border-radius:26px;padding:10px 18px;min-width:0}
.search:focus-within{border-color:var(--accent);background:var(--panel)}
.search input{border:0;background:transparent;outline:0;flex:1;min-width:0}
.proj{display:flex;align-items:center;gap:6px;background:var(--soft);border-radius:26px;padding:6px 6px 6px 14px;color:var(--muted);font-size:13px;min-width:0}
.proj select{border:0;background:transparent;font-weight:500;color:var(--fg);max-width:190px;outline:0}
.round{width:36px;height:36px;border-radius:50%;border:0;background:var(--panel);display:grid;place-items:center;color:var(--fg);flex:none}
.round:hover{background:var(--hover)}
.org{display:flex;align-items:center;gap:8px;padding:4px 12px 4px 4px;border-radius:26px;background:var(--soft);font-size:12px;line-height:1.3;white-space:nowrap}
.org .av{width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700}
.org b{display:block;font-weight:500;font-size:13px}
.org small{color:var(--ok)}

.main{min-width:0;min-height:0;overflow:auto;position:relative}
.view{padding:10px 22px 36px;display:none}
.view.on{display:block}
.view.full{padding:0 0 0 0;height:100%}
.vh{display:flex;align-items:flex-end;gap:14px;flex-wrap:wrap;margin:6px 0 14px}
.vh h2{font-size:24px}
.vh p{margin:0;color:var(--muted);font-size:13px}
.vh .right{margin-left:auto;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.btn{border:0;background:var(--soft);border-radius:24px;padding:9px 16px;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;text-decoration:none;color:var(--fg);font-weight:500}
.btn:hover{background:var(--hover)}
.btn.pri{background:var(--accent);color:#fff}
.btn.pri:hover{background:var(--accent-ink)}
.btn.line{background:transparent;border:1px solid var(--line)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.chip{border:0;background:var(--soft);border-radius:24px;padding:8px 16px;font-weight:500;display:inline-flex;gap:6px;align-items:center}
.chip:hover{background:var(--hover)}
.chip small{font-family:var(--f-mono);font-size:11px;color:var(--muted)}
.chip.on{background:var(--fg);color:var(--win)}
.chip.on small{color:inherit;opacity:.7}
.tag{display:inline-block;font-size:11px;border-radius:10px;padding:1px 9px;background:var(--soft);color:var(--muted);white-space:nowrap}
.demo{font-size:11px;color:var(--muted)}
.switch{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);cursor:pointer}
.switch input{width:36px;height:20px;appearance:none;background:var(--hover);border-radius:10px;position:relative;cursor:pointer;margin:0}
.switch input::after{content:"";position:absolute;left:2px;top:2px;width:16px;height:16px;border-radius:50%;background:#fff;transition:left .15s}
.switch input:checked{background:var(--accent)}
.switch input:checked::after{left:18px}

/* ===== 瀑布流与图钉 ===== */
.masonry{columns:240px;column-gap:16px}
.pin{break-inside:avoid;margin:0 0 18px;position:relative;cursor:pointer;user-select:none}
.ph{position:relative;border-radius:18px;overflow:hidden;background:var(--soft)}
.ph img{width:100%;height:100%;object-fit:cover;display:block}
.ph .tl{position:absolute;left:10px;top:10px;display:flex;gap:6px}
.flag{font-size:11px;padding:2px 10px;border-radius:12px;background:rgba(255,255,255,.92);color:#111;font-weight:500}
.flag.a{background:var(--accent);color:#fff}
.hov{position:absolute;inset:0;padding:12px;background:rgba(0,0,0,.34);display:flex;align-items:flex-end;gap:6px;opacity:0;transition:opacity .18s}
.pin:hover .hov,.pin:focus-within .hov{opacity:1}
.hov button{border:0;border-radius:20px;padding:7px 14px;font-size:13px;font-weight:500;background:rgba(255,255,255,.94);color:#111}
.hov .save{position:absolute;top:12px;right:12px;background:var(--accent);color:#fff;padding:10px 16px}
.pin.sel .ph{outline:3px solid var(--accent);outline-offset:2px}
.pm{display:grid;grid-template-columns:1fr auto;gap:0 6px;padding:8px 4px 0 6px;align-items:start}
.pm h4{font-size:14px;font-weight:500}
.pm p{margin:0;font-size:12px;color:var(--muted);grid-column:1}
.pm .price{font-family:var(--f-mono);font-size:14px;margin-top:2px;grid-column:1}
.pm .st{font-size:11px;color:var(--muted)}
.pm .st.ok{color:var(--ok)}
.dots{width:30px;height:30px;border-radius:50%;border:0;background:transparent;display:grid;place-items:center;font-size:18px;line-height:1;grid-row:1/3;grid-column:2}
.dots:hover{background:var(--soft)}
.tip{font-size:12px;color:var(--muted)}
.kbd{font-family:var(--f-mono);font-size:11px;border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:0 5px}

/* 资讯 / 灵感卡 */
.note{break-inside:avoid;margin:0 0 18px;background:var(--soft);border-radius:18px;overflow:hidden}
.note .ph{border-radius:0}
.note .nb{padding:14px 16px 16px;display:grid;gap:6px}
.note h4{font-size:15px;font-weight:500;line-height:1.45}
.note p{margin:0;font-size:13px;color:var(--muted)}
.note .src{font-size:12px;color:var(--muted);display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.note a{color:var(--accent-ink);font-size:13px;font-weight:500;text-decoration:none;display:inline-flex;gap:4px;align-items:center;cursor:pointer}

/* 首页 */
.hero{position:relative;border-radius:28px;overflow:hidden;min-height:300px;display:flex;align-items:flex-end;background:#04202a center/cover no-repeat;color:#fff;margin:4px 0 24px}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,10,16,.86) 0%,rgba(2,10,16,.5) 45%,rgba(2,10,16,0) 75%)}
.hero-in{position:relative;z-index:1;padding:30px 32px;max-width:540px}
.hero .eyebrow{font-size:12px;letter-spacing:.14em;color:#9dffe9}
.hero h3{font-size:34px;font-weight:700;margin:6px 0 4px}
.hero p{color:#d6e4ea;margin:0 0 18px}
.sec-h{display:flex;align-items:baseline;gap:10px;margin:0 0 12px}
.sec-h h3{font-size:18px}
.sec-h a{margin-left:auto;font-size:13px;color:var(--accent-ink);font-weight:500;cursor:pointer}

/* 工具 */
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.tcard{background:var(--soft);border-radius:22px;overflow:hidden;display:flex;flex-direction:column}
.tcard img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}
.tcard .tb{padding:14px 16px 16px;display:grid;gap:8px}
.tcard h4{font-size:16px;font-weight:500}
.tcard p{margin:0;font-size:13px;color:var(--muted)}
.tcard .row{display:flex;gap:6px;align-items:center;flex-wrap:wrap}

/* 右键菜单 */
.ctx{position:fixed;z-index:90;background:var(--panel);border-radius:18px;box-shadow:var(--shadow);padding:8px;min-width:250px;border:1px solid var(--line)}
.ctx .t{display:flex;gap:10px;align-items:center;padding:4px 8px 8px;border-bottom:1px solid var(--line);margin-bottom:4px}
.ctx .t img{width:44px;height:44px;object-fit:cover;border-radius:10px}
.ctx .t b{font-weight:500;font-size:13px;display:block;line-height:1.3}
.ctx .t small{font-size:11px;color:var(--muted)}
.ctx button{display:flex;width:100%;border:0;background:transparent;text-align:left;padding:8px 10px;border-radius:10px;gap:10px;align-items:center}
.ctx button:hover{background:var(--soft)}
.ctx button:disabled{color:var(--muted);cursor:default;background:transparent}
.ctx button small{margin-left:auto;color:var(--muted);font-family:var(--f-mono);font-size:11px}
.ctx hr{border:0;border-top:1px solid var(--line);margin:4px 0}

/* 详情大卡片 */
.overlay{position:absolute;inset:0;background:rgba(0,0,0,.55);z-index:40}
.closeup{position:absolute;z-index:41;top:50%;left:50%;transform:translate(-50%,-50%);width:min(1040px,calc(100% - 32px));max-height:calc(100% - 32px);background:var(--panel);border-radius:32px;box-shadow:var(--shadow);overflow:auto;animation:pop .2s ease-out}
@keyframes pop{from{opacity:0;transform:translate(-50%,-48%)}}
.closeup .x{position:absolute;right:12px;top:12px;z-index:3;box-shadow:var(--shadow-s)}
.cu{display:grid;grid-template-columns:1.1fr 1fr;gap:26px;padding:20px;align-items:start}
.cu>div{min-width:0;display:grid;gap:14px}
.big{border-radius:24px;overflow:hidden;background:var(--soft);position:relative}
.big img{width:100%;display:block}
.big .cap{position:absolute;left:12px;bottom:12px;font-size:11px;color:#fff;background:rgba(0,0,0,.55);border-radius:12px;padding:2px 10px}
.play{position:absolute;inset:0;display:grid;place-items:center;background:rgba(0,0,0,.35);color:#fff;border:0;width:100%}
.play span{width:72px;height:72px;border-radius:50%;background:rgba(255,255,255,.92);color:#111;display:grid;place-items:center}
.thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.thumbs button{border:3px solid transparent;border-radius:14px;padding:0;overflow:hidden;aspect-ratio:1/1;background:var(--soft);position:relative}
.thumbs button.on{border-color:var(--accent)}
.thumbs img{width:100%;height:100%;object-fit:cover;display:block}
.thumbs .pl{position:absolute;inset:0;display:grid;place-items:center;color:#fff;background:rgba(0,0,0,.35)}
.cu-r{padding:28px 14px 6px 0}
.cu-r h3{font-size:28px}
.cu-r .price{font-family:var(--f-mono);font-size:22px}
.spec-t{width:100%;border-collapse:collapse;font-size:13px}
.spec-t th{text-align:left;font-weight:400;color:var(--muted);padding:7px 0;width:34%;border-bottom:1px solid var(--line)}
.spec-t td{padding:7px 0;border-bottom:1px solid var(--line)}
.frow{display:grid;grid-template-columns:40px 1fr auto;gap:10px;align-items:center;padding:8px 10px;background:var(--soft);border-radius:14px}
.frow small{color:var(--muted);font-family:var(--f-mono);font-size:11px;display:block}
.ext{width:36px;height:42px;border-radius:8px;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:10px;font-family:var(--f-mono);flex:none}
.ext.pdf{background:#d23c3c}.ext.max{background:#2a8f7a}.ext.mp4{background:#6b52b8}.ext.zip{background:#8a6d3b}.ext.xlsx{background:#1f8a4c}
.hint{font-size:12px;color:var(--muted);background:var(--soft);border-radius:14px;padding:10px 12px}

/* ===== 非标品沟通 ===== */
.chat{display:grid;grid-template-columns:260px 1fr;height:100%;min-height:560px}
.clist{border-right:1px solid var(--line);overflow:auto;padding:8px}
.clist .h{padding:8px 10px;font-size:13px;color:var(--muted)}
.conv{display:grid;grid-template-columns:44px 1fr auto;gap:10px;padding:10px;border:0;background:transparent;width:100%;text-align:left;align-items:center;border-radius:16px}
.conv:hover{background:var(--soft)}
.conv.on{background:var(--soft)}
.conv img{width:44px;height:44px;border-radius:50%;object-fit:cover}
.conv b{font-weight:500;display:block;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.conv span{font-size:12px;color:var(--muted);display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.conv em{font-style:normal;background:var(--bad);color:#fff;font-size:11px;border-radius:9px;padding:0 6px;align-self:start}
.newp{display:flex;gap:10px;align-items:center;padding:12px 14px;border:0;background:transparent;width:100%;border-radius:16px;color:var(--accent-ink);font-weight:500}
.newp:hover{background:var(--soft)}
.cmain{display:grid;grid-template-rows:auto 1fr auto;min-width:0;min-height:0}
.chead{display:flex;align-items:center;gap:10px;padding:10px 18px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.chead h3{font-size:16px;font-weight:500}
.chead small{color:var(--muted)}
.chead .sp{flex:1}
.msgs{overflow:auto;padding:18px;display:flex;flex-direction:column;gap:14px;min-height:0}
.m{display:flex;gap:10px;align-items:flex-start;max-width:76%}
.m.me{align-self:flex-end;flex-direction:row-reverse}
.m .av{width:36px;height:36px;border-radius:50%;flex:none;display:grid;place-items:center;color:#fff;font-size:13px;font-weight:700;background:var(--accent)}
.m .who{font-size:11px;color:var(--muted);margin-bottom:2px}
.m.me .who{text-align:right}
.bub{background:var(--other);border-radius:18px;padding:9px 14px;min-width:0;word-break:break-word}
.me .bub{background:var(--me)}
.bub.gone{background:transparent;border:1px dashed var(--line);color:var(--muted);font-size:13px}
.sys{align-self:center;font-size:12px;color:var(--muted);background:var(--soft);border-radius:10px;padding:2px 12px}
.voice{display:flex;align-items:center;gap:8px}
.bars{display:flex;gap:2px;align-items:center}
.bars i{width:3px;background:currentColor;border-radius:2px;display:block;opacity:.7}
.v2t{font-size:12px;border:0;background:transparent;color:var(--accent-ink);padding:0;margin-left:8px}
.trans{margin-top:6px;padding-top:6px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted)}
.file{display:flex;gap:10px;align-items:center;min-width:220px}
.file small{color:var(--muted);display:block}
.bub.pic{padding:4px;border-radius:18px}
.bub.pic img{display:block;max-width:320px;width:100%;border-radius:14px}
.pcard{padding:0;overflow:hidden;width:260px;max-width:100%}
.pcard img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
.pcard .pc{padding:8px 14px 12px}
.quote{min-width:230px}
.quote .amt{font-family:var(--f-mono);font-size:22px}
.meet{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.meet .ico{width:38px;height:38px;border-radius:12px;background:var(--accent);display:grid;place-items:center;color:#fff}
.compose{border-top:1px solid var(--line);padding:6px 14px 12px}
.tools{display:flex;gap:2px;flex-wrap:wrap;align-items:center}
.tools button{border:0;background:transparent;border-radius:16px;padding:6px 10px;display:inline-flex;gap:5px;align-items:center;font-size:13px;color:var(--muted)}
.tools button:hover{background:var(--soft);color:var(--fg)}
.compose textarea{width:100%;border:0;background:var(--soft);border-radius:16px;resize:none;height:70px;outline:0;padding:10px 14px;margin-top:4px}
.send{display:flex;justify-content:flex-end;gap:8px;align-items:center;font-size:12px;color:var(--muted);margin-top:8px}
.send span{margin-right:auto}
.mic{width:42px;height:42px;border-radius:50%;border:0;background:var(--soft);display:grid;place-items:center}
.mic.rec{background:var(--bad);color:#fff}
.recbar{display:flex;align-items:center;gap:12px;background:var(--soft);border-radius:16px;padding:14px;margin-top:4px;height:70px}
.wave{display:flex;gap:3px;align-items:center;height:30px}
.wave i{width:3px;border-radius:2px;background:var(--bad);animation:wv 1s infinite ease-in-out}
@keyframes wv{0%,100%{height:6px}50%{height:28px}}

/* ===== 弹窗 ===== */
.mask{position:fixed;inset:0;background:rgba(0,0,0,.5);display:grid;place-items:center;z-index:100;padding:16px}
.dlg{background:var(--panel);border-radius:28px;box-shadow:var(--shadow);width:min(460px,100%);padding:22px 24px;max-height:100%;overflow:auto}
.dlg.wide{width:min(980px,100%)}
.dlg h3{font-size:18px;margin-bottom:8px}
.dlg p{color:var(--muted);margin:6px 0}
.dlg .acts{display:flex;justify-content:flex-end;gap:8px;margin-top:18px;flex-wrap:wrap}
.field{display:grid;gap:4px;font-size:13px;color:var(--muted);margin-top:10px}
.field input,.field textarea,.field select{border:0;background:var(--soft);border-radius:14px;padding:10px 12px;color:var(--fg);min-width:0}
.field textarea{min-height:84px;resize:vertical}
.sim{font-size:12px;color:var(--muted);display:flex;gap:10px;align-items:center;background:var(--soft);border-radius:14px;padding:8px 12px;flex-wrap:wrap}
.setrow{display:flex;align-items:center;gap:10px;padding:12px 0;border-top:1px solid var(--line)}
.setrow:first-of-type{border-top:0}
.setrow b{font-weight:500;flex:1}
.setrow small{display:block;color:var(--muted);font-weight:400}
.seg{display:inline-flex;background:var(--soft);border-radius:20px;padding:3px}
.seg button{border:0;background:transparent;padding:5px 12px;border-radius:17px;font-size:13px}
.seg button.on{background:var(--panel);box-shadow:var(--shadow-s)}
.qr{width:140px;height:140px;border-radius:16px;background:var(--soft);display:grid;place-items:center;margin:10px auto}
.ann{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-bottom:10px}
.ann .tb{border:0;background:var(--soft);border-radius:16px;padding:6px 12px;font-size:13px}
.ann .tb.on{background:var(--fg);color:var(--win)}
.sw{width:22px;height:22px;border-radius:50%;border:2px solid var(--panel);box-shadow:0 0 0 1px var(--line)}
.sw.on{box-shadow:0 0 0 2px var(--fg)}
.ann input[type=text]{border:0;border-radius:14px;padding:6px 10px;background:var(--soft);width:150px}
.canvas-wrap{border-radius:16px;overflow:hidden;background:var(--soft)}
#cv{display:block;width:100%;max-width:100%;cursor:crosshair;touch-action:none}

/* ===== 下载记录 ===== */
.dl{display:grid;gap:8px}
.dl .row{display:grid;grid-template-columns:56px 1fr 170px auto;gap:14px;align-items:center;padding:10px 14px;background:var(--soft);border-radius:18px}
.dl .row img{width:56px;height:56px;object-fit:cover;border-radius:12px}
.bar{height:6px;background:var(--hover);border-radius:4px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--accent);transition:width .3s}
.empty{padding:36px;text-align:center;color:var(--muted);background:var(--soft);border-radius:22px}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:var(--fg);color:var(--win);padding:10px 18px;border-radius:24px;z-index:120;font-size:13px;box-shadow:var(--shadow)}

@media (max-width:900px){
  .chat{grid-template-columns:1fr;grid-template-rows:auto 1fr}
  .clist{display:flex;overflow-x:auto;border-right:0;border-bottom:1px solid var(--line)}
  .clist .h{display:none}
  .conv{grid-template-columns:44px auto;width:auto;flex:none}
  .conv span,.conv em{display:none}
  .newp{width:auto;flex:none}
  .org b,.org small{display:none}.org{padding:4px}
  .cu{grid-template-columns:1fr;padding:12px}
  .cu-r{padding:0 6px 10px}
}
@media (max-width:720px){
  body{padding:8px}
  .win{height:auto;min-height:0;grid-template-columns:1fr}
  .rail{flex-direction:row;border-right:0;border-bottom:1px solid var(--line);overflow-x:auto;padding:8px;align-items:center}
  .mark{margin:0 6px 0 0;width:36px;height:36px;font-size:16px}
  .nav{flex:none;padding:6px 10px}
  .rail .sp{display:none}
  .topbar{padding:10px 12px 4px}
  .view{padding:8px 12px 28px}
  .masonry{columns:2;column-gap:10px}
  .hov{display:none}
  .hero{min-height:240px;border-radius:22px}.hero-in{padding:20px}.hero h3{font-size:26px}
  .msgs{height:55vh}
  .m{max-width:92%}
  .dl .row{grid-template-columns:56px 1fr}
  .dl .row .bar,.dl .row .st{grid-column:2}
  .closeup{position:fixed;width:calc(100% - 16px);max-height:calc(100% - 16px);border-radius:24px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ===== 激活与登录 ===== */
.gate{height:100%;min-height:560px;display:grid;place-items:center;background:var(--win);border-radius:18px;box-shadow:var(--shadow);max-width:1500px;margin-inline:auto;padding:24px}
.gate-card{width:min(420px,100%);display:grid;gap:14px}
.gate-card h1{font-size:26px}
.gate-card p{margin:0;color:var(--muted)}
.gate-card .mark{margin:0 0 6px}
.gate-card .row{display:flex;gap:8px}
.gate-card .row input{flex:1}
.gate-card input{border:0;background:var(--soft);border-radius:16px;padding:13px 16px;min-width:0;font-size:15px}
.gate-card .btn{justify-content:center;padding:12px 16px}
.gate-card .err{color:var(--bad);font-size:13px;min-height:20px}
.gate-card .dev{font-size:12px;color:var(--warn);background:var(--soft);border-radius:12px;padding:8px 12px}
.steps{display:flex;gap:8px;font-size:12px;color:var(--muted)}
.steps b{color:var(--fg)}
audio{display:none}
.voice{cursor:pointer}
.play.busy span{opacity:.5}
video.bigv{width:100%;display:block;background:#000}
.crop-tip{font-size:12px;color:var(--muted)}

/* ===== 操作习惯：Windows 把主按钮放在“取消”左边；macOS 把主按钮放在最右 ===== */
[data-os="win"] .acts .btn.pri{order:-1}
[data-os="win"] .acts .crop-tip{order:-2}
details.setrow summary{list-style-position:inside}

/* 语音播放中的动效 */
.voice.playing .bars i{animation:vbar .9s ease-in-out infinite}
.voice.playing .bars i:nth-child(2){animation-delay:.15s}.voice.playing .bars i:nth-child(3){animation-delay:.3s}.voice.playing .bars i:nth-child(4){animation-delay:.45s}.voice.playing .bars i:nth-child(5){animation-delay:.6s}
@keyframes vbar{0%,100%{transform:scaleY(.4)}50%{transform:scaleY(1.2)}}

/* 已下载角标：点一下打开文件所在位置 */
.got{position:absolute;right:10px;top:10px;z-index:2;border:0;border-radius:999px;padding:5px 11px;font-size:12px;line-height:1.2;background:rgba(18,18,18,.78);color:#fff;cursor:pointer;backdrop-filter:blur(6px)}
.got span{display:none}.got:hover span,.got:focus-visible span{display:inline}
.got:hover{background:var(--accent);color:#fff}
.got.inline{position:static;background:var(--soft);color:var(--ok);backdrop-filter:none}.got.inline:hover{background:var(--accent);color:#fff}
/* 鼠标移上去时右上角换成“打开位置”按钮，角标让位，避免两个叠在一起 */
@media (hover:hover) and (min-width:721px){.pin:hover .ph>.got,.pin:focus-within .ph>.got{opacity:0;pointer-events:none}}

/* 模型格式角标（自绘的文字标签，不使用各软件的官方图标） */
.fmts{position:absolute;right:10px;bottom:10px;z-index:2;display:flex;gap:4px;pointer-events:none}
.fmt{font:600 10px/1 var(--f-mono,ui-monospace,monospace);letter-spacing:.04em;padding:5px 7px;border-radius:7px;color:#fff;background:#3a3a3a;box-shadow:0 1px 3px rgba(0,0,0,.28)}
.fmt-max{background:#0f8f8a}.fmt-skp{background:#c0392b}.fmt-cad{background:#8a5a00}.fmt-fbx{background:#5b4bc4}.fmt-obj{background:#4a5568}

/* 从原文解析来的封面图：按图片本身的比例显示，太高的裁到 4:5 */
.note .ph.real{min-height:60px}.note .ph.real img{display:block;width:100%;height:auto;max-height:420px;object-fit:cover}

/* 审美：图钉卡片。图片按原比例，下面是标题和出处 */
.pinote{break-inside:avoid;margin:0 0 18px;cursor:pointer}
.pinote .ph{position:relative;border-radius:18px;overflow:hidden;background:var(--soft)}
.pinote .ph img{display:block;width:100%;height:100%;object-fit:cover}
.pinote .ph:not([style]) img{height:auto}
.pinote .empty-ph{aspect-ratio:4/3;display:grid;place-items:center;color:var(--muted);font-size:13px}
.pinote .vd{position:absolute;left:10px;bottom:10px;font-size:11px;padding:4px 9px;border-radius:999px;background:rgba(18,18,18,.72);color:#fff}
.pinote .pn{padding:8px 6px 0;display:grid;gap:4px;justify-items:start}
.pinote h4{font-size:14px;font-weight:500;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pinote .src{font-size:12px;color:var(--muted);display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.pinote:hover .ph{filter:brightness(.94)}
/* 点开图钉后的大图 */
.lbox{position:fixed;inset:0;z-index:70;background:rgba(0,0,0,.62);display:grid;place-items:center;padding:24px}
.lbox-in{background:var(--win);border-radius:24px;max-width:min(1100px,100%);max-height:100%;display:grid;grid-template-columns:minmax(0,1.5fr) minmax(260px,1fr);overflow:hidden}
.lbox-img{background:var(--soft);display:grid;place-items:center;min-height:240px;max-height:calc(100vh - 48px)}.lbox-img img{max-width:100%;max-height:calc(100vh - 48px);display:block}
.lbox-side{padding:26px 24px;display:grid;gap:12px;align-content:start;overflow:auto}.lbox-side h3{font-size:20px;line-height:1.4}.lbox-side p{margin:0;color:var(--muted);white-space:pre-wrap}
.lbox-side .from{font-size:13px;color:var(--muted)}.lbox-x{position:absolute;right:20px;top:20px}
@media (max-width:760px){.lbox-in{grid-template-columns:1fr;overflow:auto}}
/* 轮播：一张卡片里的多张图 / 视频 */
.car{position:relative;width:100%;height:100%;overflow:hidden;user-select:none}
.car-track{display:flex;width:100%;height:100%;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;scroll-behavior:smooth;scrollbar-width:none;overscroll-behavior-x:contain}
.car-track::-webkit-scrollbar{display:none}
.car-s{flex:0 0 100%;width:100%;height:100%;scroll-snap-align:start;scroll-snap-stop:always;position:relative;display:grid;place-items:center;background:var(--soft)}
.car-s img,.car-s video{width:100%;height:100%;object-fit:cover;display:block;background:#000}
.car-s img{background:var(--soft)}
.car.contain .car-s img,.car.contain .car-s video{object-fit:contain}
.car.dragging{cursor:grabbing}.car.dragging .car-s img{pointer-events:none}
.car-a{position:absolute;top:50%;transform:translateY(-50%);width:34px;height:34px;border-radius:50%;border:0;background:rgba(255,255,255,.92);color:#111;display:grid;place-items:center;box-shadow:0 2px 8px rgba(0,0,0,.22);cursor:pointer;opacity:0;transition:opacity .15s;z-index:2}
.car-a.prev{left:8px}.car-a.next{right:8px}.car-a[hidden]{display:none}
.car:hover .car-a,.lbox .car-a{opacity:1}.car-a:hover{background:#fff}
.lbox .car-a{width:44px;height:44px}.lbox .car-a.prev{left:14px}.lbox .car-a.next{right:14px}
.car-n{position:absolute;right:10px;top:10px;font-size:11px;padding:3px 8px;border-radius:999px;background:rgba(18,18,18,.66);color:#fff;z-index:2;font-variant-numeric:tabular-nums}
.car-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:52px;height:52px;border-radius:50%;background:rgba(18,18,18,.62);color:#fff;display:grid;place-items:center;font-size:18px;padding-left:3px;pointer-events:none}
.pinote .ph .car img,.pinote .ph .car video{height:100%}
.lbox-img .car{height:min(calc(100vh - 48px),760px);min-height:320px}.lbox-img{display:block}
.lbox-img .car-s{background:#111}.lbox-img .car-s img{background:#111}

/* AI 生成的图：下方固定带一行说明 */
.bub.pic .ai-tag{font-size:11px;color:var(--muted);padding:6px 4px 0}

/* 对话里的图片：加载时先占个位置 */
.bub.pic img{min-height:60px;background:var(--soft)}

/* AI 共创面板：固定在对话右侧 */
.chat.with-board{grid-template-columns:260px minmax(0,1fr) 340px}
.board{border-left:1px solid var(--line);display:grid;grid-template-rows:auto 1fr;min-height:0;min-width:0}
.bd-h{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--line)}.bd-h>div{flex:1;display:grid}.bd-h b{font-weight:500}.bd-h small{color:var(--muted);font-size:12px}
.bd-b{overflow:auto;padding:14px;display:grid;gap:10px;align-content:start}
.bd-out{min-height:190px;border:1px dashed var(--line);border-radius:16px;display:grid;place-items:center;text-align:center;padding:10px;font-size:13px;color:var(--muted);overflow:hidden}
.bd-out img{max-width:100%;border-radius:10px;display:block;cursor:zoom-in;min-height:80px;background:var(--soft)}.bd-out em{font-style:normal;font-size:11px;padding-top:6px}
.bd-out .run{animation:bdpulse 1.4s ease-in-out infinite}@keyframes bdpulse{50%{opacity:.45}}
.bd-hist,.bd-refs{display:grid;grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:6px}.bd-hist:empty{display:none}
.bd-hist button,.bd-refs button{position:relative;border:0;padding:0;border-radius:10px;overflow:hidden;aspect-ratio:1;background:var(--soft);cursor:pointer;outline:3px solid transparent;outline-offset:-3px}
.bd-hist img,.bd-refs img{width:100%;height:100%;object-fit:cover;display:block}.bd-hist .on,.bd-refs .on{outline-color:var(--accent)}
.bd-refs i{position:absolute;right:4px;top:4px;width:18px;height:18px;border-radius:50%;background:rgba(0,0,0,.45);color:transparent;font-style:normal;font-size:11px;line-height:18px;text-align:center;border:1.5px solid #fff}.bd-refs .on i{background:var(--accent);color:#fff}
.bd-l{font-size:13px;display:flex;gap:8px;align-items:baseline;flex-wrap:wrap}.bd-l span{font-size:12px;color:var(--muted)}.bd-l span.over{color:var(--bad,#d33)}
.board textarea{width:100%;font:inherit;font-size:14px;line-height:1.6;border:1px solid var(--line);border-radius:14px;padding:10px 12px;background:var(--soft);color:inherit;resize:vertical}
.bd-tip{font-size:12px;color:var(--muted);margin:0;grid-column:1/-1}
#boardBtn.on{background:var(--accent);color:#fff;border-color:transparent}#boardBtn.new{position:relative}#boardBtn.new::after{content:'';position:absolute;right:-2px;top:-2px;width:9px;height:9px;border-radius:50%;background:var(--bad,#e5484d)}
.lbox-acts{display:flex;gap:8px;flex-wrap:wrap}
.lbox.zoom{display:grid;place-items:center;cursor:zoom-out;padding:24px}.lbox.zoom img{max-width:100%;max-height:100%;border-radius:12px}
@media (max-width:1180px){.chat.with-board{grid-template-columns:0 minmax(0,1fr) 320px}.chat.with-board .clist{display:none}}
@media (max-width:760px){.chat.with-board{grid-template-columns:1fr}.chat.with-board .cmain{display:none}}