:root{
  --yellow:#F7C623; --yellow-d:#E3AE0B; --cream:#FFF4D6; --paper:#FFFBEF;
  --ink:#1E1B15; --ink-2:#5C5546; --mint:#A6E3C4; --mint-d:#6CC79A;
  --gold:#C99A3A; --silver:#A9B0B8; --bronze:#C47A45; --red:#E5533D;
  --r:14px; --bd:2.5px solid var(--ink); --sh:4px 4px 0 var(--ink);
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","MiSans","Microsoft YaHei",sans-serif;
  color:var(--ink);background:#2a2620;
  background-image:radial-gradient(circle at 20% 20%,#3a342a 0 2px,transparent 3px),radial-gradient(circle at 70% 60%,#3a342a 0 2px,transparent 3px);
  background-size:46px 46px;
}
button{font:inherit;color:inherit;border:none;background:none;cursor:pointer}
input,textarea{font:inherit;color:inherit}
.app{
  max-width:480px;margin:0 auto;min-height:100%;position:relative;
  background:var(--cream);
  background-image:radial-gradient(circle,#f3e3b8 1.2px,transparent 1.6px);background-size:22px 22px;
  padding-bottom:96px;
}
@media(min-width:600px){.app{box-shadow:0 0 0 3px var(--ink),0 30px 80px rgba(0,0,0,.5)}}
.screen{display:none;animation:in .22s ease}
.screen.on{display:block}
@keyframes in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ---------- 通用 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;
  background:var(--yellow);border:var(--bd);border-radius:999px;box-shadow:3px 3px 0 var(--ink);
  font-weight:800;padding:11px 20px;transition:transform .08s,box-shadow .08s}
.btn:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
.btn.block{width:100%;font-size:17px;padding:14px}
.btn.ghost{background:var(--paper)}
.btn.danger{background:var(--red);color:#fff}
.chip{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:700;
  border:2px solid var(--ink);border-radius:999px;padding:2px 9px;background:var(--paper)}
.avatar{width:30px;height:30px;border-radius:50%;border:2px solid var(--ink);display:inline-grid;place-items:center;
  font-size:13px;font-weight:900;flex:none}
.muted{color:var(--ink-2);font-size:13px}

/* 顶栏 */
.top{position:sticky;top:0;z-index:20;background:var(--yellow);border-bottom:var(--bd);
  padding:calc(10px + env(safe-area-inset-top)) 16px 10px;display:flex;align-items:center;gap:10px}
.top h2{font-size:19px;font-weight:900;flex:1}
.back{width:36px;height:36px;border-radius:50%;border:var(--bd);background:var(--paper);display:grid;place-items:center;font-weight:900;font-size:18px}

/* logo：油画头像 */
.logo{display:flex;align-items:center;gap:8px;flex:1}
.logo img{width:40px;height:40px;border-radius:50%;object-fit:cover;border:3px solid var(--gold);outline:2px solid var(--ink)}
/* 油画眼睛（点赞） */
.thumb{display:block;fill:none;stroke:var(--ink);stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.thumb.on{fill:var(--yellow)}
.logo b{font-size:22px;font-weight:900;letter-spacing:1px}
.logo small{font-size:11px;font-weight:700;background:var(--ink);color:var(--yellow);border-radius:4px;padding:1px 5px;transform:rotate(-4deg)}

/* 分段切换 */
.seg{display:flex;margin:14px 16px 4px;border:var(--bd);border-radius:999px;background:var(--paper);overflow:hidden;box-shadow:3px 3px 0 var(--ink)}
.seg button{flex:1;padding:9px 0;font-weight:800;font-size:15px}
.seg button.on{background:var(--ink);color:var(--yellow)}

/* ---------- 作品流 ---------- */
.feed{columns:2;column-gap:12px;padding:14px 14px 0}
.card{break-inside:avoid;margin-bottom:14px;background:var(--paper);border:var(--bd);border-radius:var(--r);
  box-shadow:var(--sh);overflow:hidden;cursor:pointer;transition:transform .1s}
.card:active{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--ink)}
.card img{width:100%;display:block;border-bottom:var(--bd)}
.card .meta{padding:8px 10px 10px}
.card .t{font-weight:800;font-size:14px;line-height:1.35;margin-bottom:6px}
.card .row{display:flex;align-items:center;gap:6px;font-size:12px}
.card .row .avatar{width:20px;height:20px;font-size:10px;border-width:1.5px}
.card .row .who{flex:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;color:var(--ink-2)}
.mini-gua{display:flex;align-items:center;gap:3px;font-weight:800}
.mini-gua .thumb{width:16px;height:16px}
.end{text-align:center;padding:10px 0 20px;color:var(--ink-2);font-size:13px}

/* ---------- 底部导航 ---------- */
.nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:480px;z-index:30;
  background:var(--paper);border-top:var(--bd);display:flex;align-items:flex-end;
  padding:6px 8px calc(8px + env(safe-area-inset-bottom))}
.nav button{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:12px;font-weight:700;color:var(--ink-2);padding-top:4px}
.nav button svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.nav button.on{color:var(--ink)}
.nav button.on svg{fill:var(--yellow)}
.nav .post span.plus{width:46px;height:30px;border-radius:999px;background:var(--yellow);border:var(--bd);box-shadow:2px 2px 0 var(--ink);
  display:grid;place-items:center;font-size:22px;font-weight:900;color:var(--ink);line-height:1;margin-top:-4px}
.nav .post b{color:var(--ink)}

/* ---------- 详情 ---------- */
.frame{margin:16px;padding:10px;background:#3b2a17;border:var(--bd);border-radius:6px;box-shadow:var(--sh);
  background-image:linear-gradient(135deg,#6b4a22,#3b2a17 40%,#7a5627 60%,#3b2a17)}
.frame img{width:100%;display:block;border:3px solid #e8d9b0;outline:2px solid var(--ink)}
.plaque{margin:0 16px;background:var(--paper);border:var(--bd);border-radius:10px;padding:14px 16px;box-shadow:var(--sh);position:relative}
.plaque .no{position:absolute;right:12px;top:-12px;background:var(--ink);color:var(--yellow);font-size:11px;font-weight:800;padding:3px 8px;border-radius:4px}
.plaque h1{font-size:21px;font-weight:900;margin-bottom:6px;font-family:"Songti SC","STSong","SimSun",serif}
.plaque .by{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:10px}
.plaque p{font-size:14px;line-height:1.7}

.gua-bar{display:flex;align-items:center;gap:12px;margin:18px 16px 0}
.gua-btn{display:flex;align-items:center;gap:8px;background:var(--paper);border:var(--bd);border-radius:999px;
  box-shadow:3px 3px 0 var(--ink);padding:9px 18px 9px 14px;font-weight:900;font-size:17px;transition:transform .08s}
.gua-btn:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
.gua-btn .thumb{width:24px;height:24px}
.gua-btn.on .thumb{fill:var(--paper)}
.gua-btn.on{background:var(--yellow)}
.gua-btn.pop .thumb{animation:pop .45s ease}
@keyframes pop{0%{transform:scale(1)}35%{transform:scale(1.45) rotate(-8deg)}70%{transform:scale(.9)}100%{transform:scale(1)}}
.float-gua{position:absolute;font-weight:900;font-size:20px;pointer-events:none;animation:up .8s ease forwards;color:var(--ink)}
@keyframes up{from{opacity:1;transform:translateY(0) rotate(-6deg)}to{opacity:0;transform:translateY(-46px) rotate(8deg)}}
.who-gua{flex:1;display:flex;align-items:center;min-width:0}
.who-gua .avatar{width:26px;height:26px;font-size:11px;margin-left:-8px}
.who-gua .avatar:first-child{margin-left:0}
.who-gua span{margin-left:8px;font-size:12px;color:var(--ink-2);white-space:nowrap}

.sec-title{margin:24px 16px 10px;font-size:16px;font-weight:900;display:flex;align-items:center;gap:8px}
.sec-title::before{content:"";width:8px;height:18px;background:var(--yellow);border:2px solid var(--ink);border-radius:3px}
.cmt{display:flex;gap:10px;padding:12px 16px;border-top:1.5px dashed #d8c89a}
.cmt .body{flex:1;min-width:0}
.cmt .name{font-size:13px;font-weight:800}
.cmt .name i{font-style:normal;font-weight:500;color:var(--ink-2);margin-left:6px;font-size:12px}
.cmt .txt{font-size:14px;line-height:1.6;margin:3px 0}
.cmt .ops{display:flex;gap:14px;font-size:12px;color:var(--ink-2)}
.cmt .ops button{font-size:12px;color:var(--ink-2);font-weight:700}
.reply{background:#f6ebc9;border-radius:10px;padding:8px 10px;margin-top:8px;font-size:13px;line-height:1.55}
.reply b{font-weight:800}
.reply + .reply{margin-top:6px}
.cbox{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:480px;z-index:31;
  background:var(--paper);border-top:var(--bd);padding:10px 12px calc(10px + env(safe-area-inset-bottom))}
.cbox .to{font-size:12px;color:var(--ink-2);margin:0 0 6px 4px;display:none}
.cbox .to.on{display:flex;gap:8px}
.cbox .to button{font-size:12px;font-weight:800;text-decoration:underline}
.cbox .line{display:flex;gap:8px}
.cbox input{flex:1;border:var(--bd);border-radius:999px;padding:10px 16px;background:#fff;outline:none;min-width:0}
.cbox .btn{padding:8px 16px}

/* ---------- 排行榜 ---------- */
.podium{display:flex;align-items:flex-end;justify-content:center;gap:10px;padding:26px 12px 6px}
.pod{flex:1;max-width:140px;text-align:center;cursor:pointer}
.pod .pf{padding:6px;border:var(--bd);border-radius:6px;box-shadow:var(--sh)}
.pod.p1 .pf{background:linear-gradient(135deg,#f6d77a,var(--gold) 50%,#f2cf6a);padding:8px}
.pod.p2 .pf{background:linear-gradient(135deg,#e6eaee,var(--silver))}
.pod.p3 .pf{background:linear-gradient(135deg,#e7ad82,var(--bronze))}
.pod img{width:100%;aspect-ratio:1;object-fit:cover;display:block;border:2px solid var(--ink)}
.pod.p1{max-width:160px;transform:translateY(-18px)}
.pod .crown{font-size:26px;display:block;margin-bottom:-4px}
.pod .rk{display:inline-block;margin-top:10px;background:var(--ink);color:var(--yellow);font-weight:900;font-size:12px;padding:3px 10px;border-radius:999px}
.pod .nm{font-weight:800;font-size:13px;margin-top:5px;line-height:1.3}
.pod .gc{font-size:12px;color:var(--ink-2);margin-top:2px}
.rank-list{margin:10px 16px}
.rl{display:flex;align-items:center;gap:12px;background:var(--paper);border:var(--bd);border-radius:12px;padding:8px 12px 8px 8px;margin-bottom:10px;box-shadow:3px 3px 0 var(--ink);cursor:pointer}
.rl .n{width:30px;text-align:center;font-weight:900;font-size:18px}
.rl img{width:52px;height:52px;object-fit:cover;border-radius:8px;border:2px solid var(--ink)}
.rl .info{flex:1;min-width:0}
.rl .info b{display:block;font-size:14px}
.rl .info span{font-size:12px;color:var(--ink-2)}
.rl .g{font-weight:900}
.week-tip{margin:4px 16px 0;font-size:12px;color:var(--ink-2);text-align:center}

/* ---------- 发布 ---------- */
.form{padding:16px}
.drop{border:3px dashed var(--ink);border-radius:var(--r);background:var(--paper);min-height:220px;display:grid;place-items:center;text-align:center;cursor:pointer;overflow:hidden;position:relative}
.drop .hint b{display:block;font-size:17px;font-weight:900;margin:8px 0 4px}
.drop .big{font-size:44px}
.drop img{width:100%;display:block}
.drop .re{position:absolute;right:10px;bottom:10px}
.field{margin-top:16px}
.field label{display:block;font-weight:800;font-size:14px;margin-bottom:6px}
.field input,.field textarea{width:100%;border:var(--bd);border-radius:12px;padding:12px 14px;background:#fff;outline:none;resize:none}
.field input:focus,.field textarea:focus{box-shadow:3px 3px 0 var(--yellow-d)}
.field .cnt{text-align:right;font-size:12px;color:var(--ink-2);margin-top:4px}

/* ---------- 我的 ---------- */
.me-head{background:var(--yellow);border-bottom:var(--bd);padding:calc(26px + env(safe-area-inset-top)) 16px 20px;display:flex;align-items:center;gap:14px}
.me-head .avatar{width:64px;height:64px;font-size:26px;border-width:3px;box-shadow:3px 3px 0 var(--ink)}
.me-head h2{font-size:21px;font-weight:900}
.stats{display:flex;gap:10px;margin:16px}
.stat{flex:1;background:var(--paper);border:var(--bd);border-radius:12px;box-shadow:3px 3px 0 var(--ink);padding:10px;text-align:center}
.stat b{display:block;font-size:22px;font-weight:900}
.stat span{font-size:12px;color:var(--ink-2)}
.mine{margin:0 16px}
.mw{display:flex;gap:12px;align-items:center;background:var(--paper);border:var(--bd);border-radius:12px;padding:8px;margin-bottom:10px}
.mw img{width:64px;height:64px;object-fit:cover;border-radius:8px;border:2px solid var(--ink);cursor:pointer}
.mw .info{flex:1;min-width:0}
.mw .info b{display:block;font-size:14px;margin-bottom:2px}
.mw .ops{display:flex;flex-direction:column;gap:6px}
.mw .ops button{font-size:12px;font-weight:800;border:2px solid var(--ink);border-radius:999px;padding:3px 10px;background:var(--paper)}
.mw .ops button.del{background:#fde3de}
.links{margin:20px 16px}
.links button{width:100%;text-align:left;background:var(--paper);border:var(--bd);border-radius:12px;padding:14px;font-weight:800;margin-bottom:10px;display:flex;justify-content:space-between}
.empty{text-align:center;padding:30px 16px;color:var(--ink-2);font-size:14px}
.empty img{width:160px;height:160px;object-fit:cover;display:block;margin:0 auto 12px;border:6px solid #8a6424;outline:2px solid var(--ink);box-shadow:var(--sh)}

/* ---------- 管理 ---------- */
.adm-tabs{display:flex;gap:8px;padding:14px 16px 4px}
.adm-tabs button{border:2px solid var(--ink);border-radius:999px;padding:5px 14px;font-weight:800;font-size:13px;background:var(--paper)}
.adm-tabs button.on{background:var(--ink);color:var(--yellow)}
.adm-row{display:flex;align-items:center;gap:10px;margin:10px 16px;background:var(--paper);border:var(--bd);border-radius:12px;padding:10px}
.adm-row img{width:44px;height:44px;object-fit:cover;border-radius:6px;border:2px solid var(--ink)}
.adm-row .info{flex:1;min-width:0;font-size:13px}
.adm-row .info b{display:block;font-size:14px}
.adm-row button{font-size:12px;font-weight:800;border:2px solid var(--ink);border-radius:999px;padding:4px 10px;background:#fde3de;white-space:nowrap}
.adm-row button.soft{background:var(--paper)}
.code-box{margin:16px;background:var(--ink);color:var(--yellow);border-radius:12px;padding:14px 16px;display:flex;align-items:center;justify-content:space-between}
.code-box b{font-size:22px;letter-spacing:3px;font-family:Consolas,monospace}


.welcome .btn{color:var(--ink)}
.sheet.welcome{background:radial-gradient(ellipse at 50% 20%,#4a3620 0,#21180f 70%);color:#e8d9b0;text-align:center}
.welcome .hero{width:58%;max-width:220px;margin:6px auto 12px;padding:8px;background:linear-gradient(135deg,#d9b25a,#8a6424 45%,#e3c06a 60%,#7a5520);border:2px solid #120c06}
.welcome .hero img{width:100%;display:block;border:2px solid #120c06}
.welcome h3{font-size:26px;color:var(--yellow);letter-spacing:3px;font-family:"Songti SC","STSong","SimSun",serif;margin-bottom:2px}
.welcome .sub{font-size:13px;margin-bottom:14px}
.welcome .field{text-align:left}
.welcome .field label{color:#e8d9b0}
.welcome .skip{display:block;margin:12px auto 0;color:#e8d9b0;font-size:13px;font-weight:700;text-decoration:underline}
.me-tip{margin:4px 16px 0;font-size:12px;color:var(--ink-2);line-height:1.6}
.rank-hero{margin:14px 16px 0;padding:8px;background:linear-gradient(135deg,#d9b25a,#8a6424 45%,#e3c06a 60%,#7a5520);border:var(--bd);box-shadow:var(--sh)}
.rank-hero img{width:100%;display:block;border:2px solid var(--ink)}
.drop .hint img{width:120px;height:120px;object-fit:cover;border-radius:8px;border:2px solid var(--ink)}

/* ---------- 弹层 ---------- */
.mask{position:fixed;inset:0;background:rgba(20,16,10,.55);z-index:50;display:none;align-items:flex-end;justify-content:center}
.mask.on{display:flex}
.sheet{width:100%;max-width:480px;background:var(--paper);border:var(--bd);border-bottom:none;border-radius:20px 20px 0 0;padding:18px 16px calc(20px + env(safe-area-inset-bottom));animation:sh .2s ease}
@keyframes sh{from{transform:translateY(40px);opacity:0}to{transform:none;opacity:1}}
.sheet h3{font-size:18px;font-weight:900;margin-bottom:8px}
.sheet .acts{display:flex;gap:10px;margin-top:18px}
.sheet .acts .btn{flex:1}
.gua-people{display:flex;flex-direction:column;gap:10px;margin-top:10px;max-height:50vh;overflow:auto}
.gua-people div{display:flex;align-items:center;gap:10px;font-weight:700}
.gua-people div i{font-style:normal;margin-left:auto;font-size:12px;color:var(--ink-2);font-weight:500}

.toast{position:fixed;left:50%;top:22%;transform:translate(-50%,-10px);z-index:60;background:var(--ink);color:var(--yellow);
  font-weight:800;padding:12px 20px;border-radius:999px;opacity:0;pointer-events:none;transition:all .2s;white-space:nowrap}
.toast.on{opacity:1;transform:translate(-50%,0)}

/* ---------- 正式版补充 ---------- */
.gif-chip{position:absolute;left:8px;top:8px;background:var(--ink);color:var(--yellow);font-size:11px;font-weight:900;padding:1px 6px;border-radius:4px}
.card .pic{position:relative}
.more{display:block;margin:4px auto 18px}
.loading{text-align:center;padding:40px 0;color:var(--ink-2);font-size:14px}
.err{margin:30px 16px;text-align:center;color:var(--ink-2);font-size:14px;line-height:1.8}
.btn[disabled]{opacity:.55;pointer-events:none}
.save-tip{text-align:center;font-size:12px;color:var(--ink-2);margin:-8px 0 12px}
.app{min-height:100vh}

/* ---------- 电脑端（宽度 ≥ 900px），手机端不受影响 ---------- */
.dtop{display:none}
.d-left,.d-right{display:block}
@media (min-width:900px){
  html{overflow-y:scroll}
  body{background:var(--cream);background-image:radial-gradient(circle,#f3e3b8 1.2px,transparent 1.6px);background-size:22px 22px}
  .app{max-width:none;box-shadow:none !important;padding-bottom:48px !important;background:none}
  .nav{display:none !important}

  .dtop{display:block;position:sticky;top:0;z-index:40;background:var(--yellow);border-bottom:var(--bd)}
  .dtop .in{max-width:1200px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;gap:20px}
  .dtop .logo{flex:1;cursor:pointer;text-align:left}
  .dtop .logo b{font-size:24px}
  .dtop nav{display:flex;align-items:center;gap:6px}
  .dtop nav button{font-weight:800;font-size:15px;padding:8px 16px;border-radius:999px}
  .dtop nav button:not(.btn):hover{background:rgba(30,27,21,.1)}
  .dtop nav button.on:not(.btn){background:var(--ink);color:var(--yellow)}
  .dtop nav .btn{margin-left:10px;padding:9px 20px}

  .screen{max-width:1200px;margin:0 auto;padding:0 24px}
  #s-home .top{display:none}
  .screen .top{position:static;background:none;border:none;padding:22px 0 0}
  .screen .top h2{font-size:24px}
  .seg{max-width:320px;margin:22px 0 6px}

  /* 首页作品墙 */
  .feed{columns:4;column-gap:20px;padding:18px 0 0}
  .card{margin-bottom:20px;transition:transform .12s,box-shadow .12s}
  .card:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--ink)}
  .card .t{font-size:15px}

  /* 作品详情：左图右文 */
  #detail{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:36px;align-items:start;padding-top:18px}
  #detail > .loading,#detail > .err{grid-column:1/-1}
  .d-left{position:sticky;top:92px}
  .d-left .frame{margin:0}
  .d-left .frame img{max-height:calc(100vh - 180px);object-fit:contain;background:#1a130b}
  .d-left .save-tip{margin:12px 0 0}
  .d-right .plaque{margin:0}
  .d-right .gua-bar{margin:20px 0 0}
  .d-right .sec-title{margin:26px 0 10px}
  .d-right .cmt{padding:12px 0}
  .d-right .cbox{position:sticky;bottom:16px;left:auto;transform:none;width:auto;max-width:none;margin-top:10px;
    border:var(--bd);border-radius:14px;box-shadow:var(--sh);padding:10px 12px}
  .d-pad{display:none}

  /* 排行：左边加冕油画，右边榜单 */
  #s-rank.on{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);column-gap:40px;align-items:start}
  #s-rank .top{grid-column:1/-1}
  #s-rank .rank-hero{grid-column:1;grid-row:2/span 3;margin:18px 0 0;position:sticky;top:92px}
  #s-rank #rankSeg,#s-rank #rankTip,#s-rank #rank{grid-column:2}
  #s-rank #rankSeg{width:100%;max-width:320px;margin:18px auto 6px}
  .podium{gap:28px;padding-top:44px}
  .pod{max-width:200px}
  .pod.p1{max-width:240px}
  .pod:hover .pf,.rl:hover{transform:translate(-2px,-2px)}
  .rank-list{margin:18px 0}

  /* 发布 */
  #s-post .form{max-width:640px;margin:0 auto;padding:18px 0}
  .drop{min-height:300px}
  .drop > img{max-height:60vh;object-fit:contain;background:#f6ebc9}

  /* 我的 */
  #s-me{max-width:820px}
  .me-head{margin-top:26px;padding:22px;border:var(--bd);border-radius:18px;box-shadow:var(--sh)}
  .stats{margin:22px 0}
  #s-me .sec-title,.mine,.me-tip,.links{margin-left:0;margin-right:0}
  .mw img{width:80px;height:80px}

  /* 管理 */
  #s-admin{max-width:900px}
  .adm-tabs{padding:16px 0 4px}
  .adm-row{margin:10px 0}

  /* 弹窗改成居中对话框 */
  .mask{align-items:center}
  .sheet{max-width:460px;border-radius:20px;border-bottom:var(--bd);padding:22px 22px 24px}
}
@media (min-width:1280px){ .feed{columns:5} }