/* ============ 响应式适配（移动端 / 平板 / 桌面） ============ */

/* ---- 来源：layout.css ---- */
/* ---- 移动端 tabbar ---- */
#tabbar{display:none}
@media(max-width:860px){
  .main-nav{display:none}
  .search-box input{width:130px}
  .search-box input:focus{width:180px}
  #app{padding:76px 14px 96px}
  #tabbar{position:fixed;left:0;right:0;bottom:0;z-index:100;display:flex;height:58px;
    background:rgba(8,8,18,.9);backdrop-filter:blur(18px);border-top:1px solid var(--line)}
  #tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
    font-size:10.5px;color:var(--txt3);transition:.25s}
  #tabbar a.on{color:var(--cyan)}
  #tabbar a .t-ico{font-size:18px}
  .hero{padding:38px 26px}
  .hero h1{font-size:29px}
  .detail-wrap{grid-template-columns:1fr}
}

/* ---- 来源：components.css ---- */
/* ---- 瀑布流 ---- */
.masonry{columns:4;column-gap:16px}
@media(max-width:1100px){.masonry{columns:3}}
@media(max-width:760px){.masonry{columns:2}}
.masonry .m-item{break-inside:avoid;margin-bottom:16px;content-visibility:auto;contain-intrinsic-size:auto 300px}
.m-card{position:relative;border-radius:var(--r2);overflow:hidden;background:var(--panel-solid);
  border:1px solid var(--line);cursor:pointer}
.m-card img{width:100%;display:block;transition:transform .5s}
.m-card:hover img{transform:scale(1.06)}
.m-mask{position:absolute;inset:0;background:linear-gradient(to top,rgba(5,5,15,.92) 0%,rgba(5,5,15,.25) 45%,transparent 70%);
  opacity:0;transition:.3s;display:flex;flex-direction:column;justify-content:flex-end;padding:14px}
.m-card:hover .m-mask{opacity:1}
.m-title{font-size:14px;font-weight:600;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.m-meta{display:flex;align-items:center;gap:10px;margin-top:8px;font-size:12px;color:var(--txt2)}
.m-meta .spacer{flex:1}
.m-play{position:absolute;top:50%;left:50%;width:52px;height:52px;border-radius:50%;transform:translate(-50%,-50%);
  background:rgba(10,10,25,.55);border:1.5px solid rgba(255,255,255,.5);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;font-size:19px;color:#fff;transition:.3s}
.m-card:hover .m-play{transform:translate(-50%,-50%) scale(1.12);background:var(--grad);color:#0a0a18;border-color:transparent}
.m-cat{position:absolute;top:10px;left:10px;padding:3px 10px;border-radius:20px;font-size:11px;
  background:rgba(10,10,25,.6);backdrop-filter:blur(6px);border:1px solid var(--line2);color:var(--cyan)}

/* ---- 来源：pages.css ---- */
/* ---- 详情页 ---- */
.detail-wrap{display:grid;grid-template-columns:1fr 340px;gap:24px;align-items:start}
@media(max-width:900px){.detail-wrap{grid-template-columns:1fr}}
.detail-media{border-radius:var(--r2);overflow:hidden;background:#000;border:1px solid var(--line2)}
.detail-media img,.detail-media video{width:100%;display:block;max-height:76vh;object-fit:contain;background:#000}
.detail-panel{padding:22px}
.detail-panel h1{font-size:21px;line-height:1.5;margin-bottom:12px}
.d-author{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
.d-author img{width:44px;height:44px;border-radius:50%;object-fit:cover;background:#22224a}
.d-author .nm{font-weight:600;font-size:14.5px}
.d-author .sub{font-size:12px;color:var(--txt3)}
.act-row{display:flex;gap:10px;padding:16px 0;border-bottom:1px solid var(--line)}
.act-btn{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:10px;border-radius:12px;
  background:rgba(120,120,255,.08);border:1px solid var(--line);font-size:12px;color:var(--txt2);transition:.25s}
.act-btn:hover{background:rgba(120,120,255,.18);color:var(--txt)}
.act-btn.on{background:var(--grad);color:#0a0a18;font-weight:700;border-color:transparent}
.act-btn b{font-size:15px}
.cmt-input{display:flex;gap:10px;margin:16px 0}
.cmt-input input{flex:1;height:40px;border-radius:12px;border:1px solid var(--line2);background:rgba(30,30,60,.5);
  color:var(--txt);padding:0 14px;outline:none;font-size:13.5px}
.cmt-input input:focus{border-color:var(--cyan)}
.cmt{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
.cmt img{width:36px;height:36px;border-radius:50%;object-fit:cover;background:#22224a;flex:none}
.cmt .c-body{flex:1}
.cmt .c-user{font-size:13px;color:var(--txt2);margin-bottom:3px}
.cmt .c-text{font-size:14px;line-height:1.6}
.cmt .c-foot{display:flex;gap:14px;margin-top:6px;font-size:12px;color:var(--txt3)}
.cmt .c-foot span:hover{color:var(--cyan)}
.img-thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}
.img-thumbs img{aspect-ratio:1;object-fit:cover;border-radius:10px;cursor:pointer;border:1px solid var(--line);transition:.25s}
.img-thumbs img:hover{border-color:var(--cyan);transform:scale(1.04)}

/* ---- 来源：pages.css ---- */
/* ---- 发布页 ---- */
.publish-grid{display:grid;grid-template-columns:1fr 300px;gap:22px;align-items:start}
@media(max-width:900px){.publish-grid{grid-template-columns:1fr}}
.upload-zone{border:2px dashed var(--line2);border-radius:var(--r2);padding:56px 20px;text-align:center;
  color:var(--txt2);cursor:pointer;transition:.3s;background:rgba(120,120,255,.05)}
.upload-zone:hover,.upload-zone.drag{border-color:var(--cyan);background:rgba(94,234,212,.08);color:var(--cyan)}
.upload-zone .uz-ico{font-size:44px;margin-bottom:10px}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-size:13.5px;color:var(--txt2);margin-bottom:7px}
.form-row input,.form-row textarea,.form-row select{width:100%;padding:11px 14px;border-radius:12px;
  border:1px solid var(--line2);background:rgba(30,30,60,.5);color:var(--txt);font-size:14px;outline:none;transition:.25s}
.form-row input:focus,.form-row textarea:focus,.form-row select:focus{border-color:var(--cyan);box-shadow:var(--glow)}
.form-row textarea{min-height:110px;resize:vertical}
.form-row select option{background:var(--panel-solid)}
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.upload-preview{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:10px;margin-top:14px}
.upload-preview .up-item{position:relative;aspect-ratio:1;border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.upload-preview img{width:100%;height:100%;object-fit:cover}
.upload-preview .up-del{position:absolute;top:5px;right:5px;width:22px;height:22px;border-radius:50%;
  background:rgba(10,10,25,.75);color:#fff;font-size:11px;display:flex;align-items:center;justify-content:center}

/* ---- 来源：pages.css ---- */
/* ---- 同城社区 ---- */
.nearby-head{display:flex;gap:20px;align-items:center;padding:28px;margin:8px 0 24px}
.nearby-head h1{font-size:27px}
.city-picker{display:flex;flex-direction:column;gap:6px}
.city-picker label{font-size:12px;color:var(--txt3)}
.city-picker select{padding:10px 16px;border-radius:12px;border:1px solid var(--line2);background:var(--panel-solid);
  color:var(--txt);font-size:14.5px;outline:none;min-width:150px;cursor:pointer}
.city-picker select:focus{border-color:var(--cyan)}
.nearby-grid{display:grid;grid-template-columns:380px 1fr;gap:20px;align-items:start;margin-bottom:8px}
@media(max-width:900px){.nearby-grid{grid-template-columns:1fr}}
.nearby-radar{padding:22px;text-align:center}
.nearby-radar h3{font-size:17px}
.radar{position:relative;width:min(300px,80vw);aspect-ratio:1;margin:22px auto 14px;border-radius:50%;
  border:1px solid var(--line2);background:radial-gradient(circle,rgba(120,120,255,.05),transparent 70%)}
.radar-sweep{position:absolute;inset:0;border-radius:50%;
  background:conic-gradient(from 0deg,transparent 0deg,color-mix(in srgb,var(--cyan) 30%,transparent) 24deg,transparent 40deg);
  animation:radarSpin 3.6s linear infinite}
@keyframes radarSpin{to{transform:rotate(360deg)}}
.radar-ring{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);border-radius:50%;border:1px dashed var(--line)}
.radar-ring.r1{width:33%;height:33%}
.radar-ring.r2{width:66%;height:66%}
.radar-ring.r3{width:99%;height:99%}
.radar-me{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:34px;height:34px;border-radius:50%;
  background:var(--grad);color:#0a0a18;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 18px var(--cyan);z-index:2}
.radar-dot{position:absolute;left:50%;top:50%;width:34px;height:34px;margin:-17px 0 0 -17px;border-radius:50%;
  border:2px solid var(--cyan);overflow:hidden;animation:dotPulse 2.4s ease-in-out infinite;background:var(--panel-solid)}
.radar-dot img{width:100%;height:100%;object-fit:cover;display:block}
@keyframes dotPulse{0%,100%{box-shadow:0 0 6px var(--cyan)}50%{box-shadow:0 0 16px var(--cyan)}}
.radar-legend{font-size:12.5px;color:var(--txt2)}
.radar-legend b{color:var(--cyan)}
.nearby-users{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px}
.nu-item{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:12px;background:rgba(120,120,255,.07);
  border:1px solid var(--line);transition:.25s}
.nu-item:hover{border-color:var(--cyan);background:rgba(120,120,255,.13)}
.nu-item img{width:38px;height:38px;border-radius:50%;object-fit:cover;background:#22224a;flex:none}