:root{
  --bg:#0f1115; --panel:#181b22; --card:#1e222b; --line:#2a2f3a;
  --text:#e8eaed; --muted:#9aa3af; --accent:#6c8cff; --accent2:#8b5cf6;
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none !important}
body{background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.5}
.wrap{max-width:1280px;margin:0 auto;padding:0 16px}

/* ===== 顶栏 ===== */
.topbar{position:sticky;top:0;z-index:50;background:rgba(13,15,20,.82);backdrop-filter:blur(20px) saturate(1.4);border-bottom:1px solid rgba(255,255,255,.06);padding:14px 0 0;overflow:hidden}
.top-glow{position:absolute;top:-120px;left:50%;transform:translateX(-50%);width:640px;height:180px;background:radial-gradient(ellipse at center,rgba(108,140,255,.22),rgba(139,92,246,.1) 45%,transparent 70%);filter:blur(30px);pointer-events:none}
.bar-inner{position:relative;display:flex;align-items:center;gap:16px}

/* 品牌 */
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);white-space:nowrap}
.logo-icon{font-size:26px;line-height:1;filter:drop-shadow(0 0 12px rgba(108,140,255,.5))}
.logo-text{font-size:18px;font-weight:800;letter-spacing:.5px;display:flex;flex-direction:column;line-height:1.15}
.logo-text small{font-size:9px;font-weight:500;letter-spacing:3.5px;color:var(--muted);background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* 搜索 */
.search-box{flex:1;position:relative;max-width:520px}
.search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}
.search-box input{width:100%;padding:10px 16px 10px 38px;border-radius:12px;border:1px solid var(--line);background:rgba(24,27,34,.7);color:var(--text);font-size:14px;outline:none;transition:border-color .2s, box-shadow .2s}
.search-box input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(108,140,255,.16);background:rgba(24,27,34,.9)}
.search-box input::placeholder{color:#6b7280}

/* 导航按钮 */
.nav-actions{display:flex;align-items:center;gap:8px}
.nav-btn{display:inline-flex;align-items:center;gap:5px;padding:8px 18px;border-radius:11px;font-size:13.5px;font-weight:600;text-decoration:none;color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 4px 16px rgba(108,140,255,.35);transition:transform .15s, box-shadow .2s;white-space:nowrap}
.nav-btn:hover{transform:translateY(-1px);box-shadow:0 7px 22px rgba(139,92,246,.45)}
.nav-btn-primary{display:inline-flex!important}
.nav-icon{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:var(--panel);color:var(--muted);cursor:pointer;transition:all .2s;text-decoration:none}
.nav-icon:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-1px)}
.nav-user-chip{width:auto;padding:0 14px;font-size:13px;color:var(--text);font-weight:600}

.badge{background:rgba(24,27,34,.7);border:1px solid var(--line);border-radius:999px;padding:5px 13px;font-size:12.5px;color:var(--muted);white-space:nowrap}

/* 过滤行：分段滑块 + 分类胶囊 */
.filter-row{position:relative;display:flex;align-items:center;gap:18px;margin-top:12px;padding-bottom:12px}
.seg-tabs{position:relative;display:flex;background:rgba(24,27,34,.85);border:1px solid var(--line);border-radius:12px;padding:4px;flex-shrink:0}
.type-tab{position:relative;z-index:1;border:none;background:transparent;color:var(--muted);padding:7px 22px;font-size:13.5px;cursor:pointer;font-weight:600;transition:color .25s;white-space:nowrap}
.type-tab.active{color:#fff}
.tab-slider{position:absolute;top:4px;left:4px;height:calc(100% - 8px);background:linear-gradient(135deg,var(--accent),var(--accent2));border-radius:9px;transition:transform .3s cubic-bezier(.6,.05,.28,.91), width .3s cubic-bezier(.6,.05,.28,.91);box-shadow:0 3px 12px rgba(108,140,255,.35)}

.cats{display:flex;gap:8px;overflow-x:auto;padding:2px 0;scrollbar-width:none}
.cats::-webkit-scrollbar{display:none}
.cat{border:1px solid var(--line);background:rgba(24,27,34,.6);color:var(--muted);border-radius:999px;padding:5px 15px;font-size:12.5px;cursor:pointer;white-space:nowrap;transition:all .2s}
.cat:hover{color:var(--text);border-color:var(--accent)}
.cat.active{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;border-color:transparent;font-weight:600}

@media (max-width:900px){
  .logo-text small{display:none}
  .badge{display:none}
  .filter-row{flex-direction:column;align-items:stretch;gap:10px}
  .seg-tabs{align-self:flex-start}
}

/* 卡片瀑布流 */
.grid{columns:4 240px;column-gap:16px;padding:24px 0}
.card{break-inside:avoid;margin-bottom:16px;background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;cursor:pointer;transition:transform .15s,border-color .15s}
.card:hover{transform:translateY(-3px);border-color:var(--accent)}
.card img{width:100%;display:block}
.noimg{padding:28px 16px;color:var(--muted);font-size:14px;background:linear-gradient(135deg,#232838,#1a1e28)}
.card-body{padding:12px 14px}
.card-body h3{font-size:14px;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:12px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tags span{display:inline-block;margin-top:8px;font-size:11px;color:var(--accent);background:rgba(108,140,255,.12);border-radius:6px;padding:2px 8px}

.empty{text-align:center;color:var(--muted);padding:80px 0}
.more-btn{display:block;margin:8px auto 40px;padding:10px 36px;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--text);font-size:14px;cursor:pointer}
.more-btn:hover{border-color:var(--accent)}

/* 弹窗 */
.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center}
.modal-mask{position:absolute;inset:0;background:rgba(0,0,0,.65)}
.modal-card{position:relative;z-index:1;background:var(--panel);border:1px solid var(--line);border-radius:16px;max-width:1100px;width:min(92vw,1100px);max-height:88vh;display:flex;overflow:hidden}
.modal-close{position:absolute;top:10px;right:12px;z-index:2;width:32px;height:32px;border-radius:50%;border:none;background:rgba(0,0,0,.45);color:#fff;font-size:14px;cursor:pointer}
.modal-card img{max-width:52%;object-fit:contain;background:#000}
.modal-body{flex:1;overflow-y:auto;padding:22px 24px}
.modal-body h2{font-size:18px;margin-bottom:6px}
.src{font-size:12px;color:var(--muted);margin-bottom:14px}
.prompt-block{border:1px solid var(--line);border-radius:12px;overflow:hidden}
.prompt-head{display:flex;justify-content:space-between;align-items:center;padding:8px 14px;background:var(--card);border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
.prompt-head button{border:none;border-radius:8px;padding:6px 14px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-size:12px;cursor:pointer}
.prompt-block pre{white-space:pre-wrap;word-break:break-word;padding:14px;font-size:13px;color:#cdd3dc;max-height:46vh;overflow-y:auto;font-family:inherit}

@media (max-width:720px){
  .modal-card{flex-direction:column;overflow-y:auto}
  .modal-card img{max-width:100%;max-height:40vh}
  .grid{columns:2 150px;column-gap:10px}
}

.type-tab{border:1px solid var(--line);background:var(--panel);color:var(--muted);border-radius:10px;padding:7px 20px;font-size:14px;cursor:pointer;font-weight:500}
.type-tab.active{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;border-color:transparent}

/* 视频卡片 */
.card video{width:100%;display:block;background:#000}
.card.is-video{position:relative}
.v-badge{position:absolute;top:10px;right:10px;background:rgba(0,0,0,.65);color:#fff;font-size:11px;border-radius:6px;padding:3px 9px;backdrop-filter:blur(4px);pointer-events:none}
.modal-card video{max-width:52%;width:52%;object-fit:contain;background:#000}
@media (max-width:720px){.modal-card video{max-width:100%;width:100%}}

.vip-tag{display:inline-block;margin-left:6px;font-size:10px;color:#ffd76a;background:rgba(255,190,60,.15);border-radius:6px;padding:1px 7px;font-weight:600}

/* 加载中/失败状态 */
.grid.loading{opacity:.45;pointer-events:none;transition:opacity .2s}
.skeleton-wrap{grid-column:1/-1;text-align:center;color:var(--muted);padding:90px 0;font-size:14px}
.spinner{display:inline-block;width:22px;height:22px;border:3px solid rgba(108,140,255,.25);border-top-color:var(--accent);border-radius:50%;margin-right:10px;vertical-align:-6px;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.load-error{text-align:center;color:#ff8787;padding:70px 20px;font-size:14px}
.load-error button{margin-left:12px;padding:7px 22px;border-radius:9px;border:1px solid var(--accent);background:rgba(108,140,255,.15);color:var(--accent);cursor:pointer}
.load-error button:hover{background:rgba(108,140,255,.28)}