/* ============================================================
   Scenivue — 前端样式
   暗色玻璃拟态 / 4 列壁纸网格 / 全站 hover 反馈
   ============================================================ */
:root{
  --bg:#191919;
  --bg-deep:#111112;
  --panel:rgba(255,255,255,.055);
  --panel-strong:rgba(22,22,24,.86);
  --line:rgba(255,255,255,.12);
  --line-strong:rgba(255,255,255,.28);
  --text:#ededed;
  --text-2:#a9a9ad;
  --text-3:#767679;
  --blue:#29d;
  --blue-soft:rgba(41,153,255,.18);
  --pink:#ff9c9c;
  --gold:#f0c266;
  --radius:15px;
  --ease:cubic-bezier(.2,.8,.2,1);
  --topbar-h:0px;  /* 顶部导航已移除，变量保留作布局偏移 */
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Segoe UI",system-ui,sans-serif;
  font-size:14px;line-height:1.5;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
img{display:block;max-width:100%}
.svg-sprite{position:absolute;width:0;height:0;overflow:hidden}
.ico{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
::selection{background:rgba(41,153,255,.4);color:#fff}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-track{background:#151515}
::-webkit-scrollbar-thumb{background:#3a3a3d;border-radius:9px;border:2px solid #151515}
::-webkit-scrollbar-thumb:hover{background:#5a5a60}

/* ---------- 背景氛围 ---------- */
.app-bg{position:fixed;inset:0;z-index:-1;overflow:hidden;background:
  radial-gradient(120% 90% at 50% -20%,#2b2b30 0%,#1b1b1d 48%,#141415 100%)}
.bg-wall{position:absolute;inset:-12%;background-size:cover;background-position:center;
  opacity:.1;filter:blur(90px) saturate(1.1);transform:scale(1.15);transition:background-image 1.2s ease}
.bg-glow{position:absolute;border-radius:50%;filter:blur(110px);opacity:.22;pointer-events:none;animation:drift 18s ease-in-out infinite alternate}
.glow-1{width:44vw;height:44vw;left:-12vw;top:-14vw;background:#2f5b86}
.glow-2{width:36vw;height:36vw;right:-10vw;top:12vh;background:#4a3a5e;animation-delay:-6s}
.glow-3{width:40vw;height:30vw;left:28vw;bottom:-18vw;background:#1f4a48;animation-delay:-11s}
.bg-noise{position:absolute;inset:0;opacity:.16;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.32'/%3E%3C/svg%3E")}
@keyframes drift{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(4vw,3vh,0) scale(1.15)}}
.cursor-glow{position:fixed;width:420px;height:420px;border-radius:50%;pointer-events:none;z-index:1;
  left:0;top:0;transform:translate(-50%,-50%);opacity:0;transition:opacity .35s;
  background:radial-gradient(circle,rgba(41,153,255,.14) 0%,rgba(41,153,255,.05) 35%,transparent 70%);
  mix-blend-mode:screen}
body.has-cursor .cursor-glow{opacity:1}

/* 该区块对应的界面已移除 */
/* ---------- 主体 ---------- */
.main{position:relative;z-index:2;padding:82px clamp(18px,4vw,58px) 90px;max-width:1600px;margin:0 auto}
.seo-h1{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;font-size:1px}
/* 原站首屏为纯卡片流；结果标题条仅在搜索 / 筛选后出现 */
.section-head{display:none;align-items:center;justify-content:space-between;margin:0 auto 18px;max-width:1360px;gap:16px}
.section-head.is-visible{display:flex}
.sh-left{display:flex;align-items:baseline;gap:12px}
.sh-left h2{margin:0;font-size:17px;font-weight:600;letter-spacing:.5px}
.sh-count{font-size:12px;color:var(--text-3)}
.sort-tabs{display:flex;gap:4px;padding:4px;border-radius:999px;background:rgba(255,255,255,.045);border:1px solid var(--line)}
.sort-tab{padding:6px 14px;border-radius:999px;font-size:12px;color:var(--text-2);transition:.3s var(--ease)}
.sort-tab:hover{color:#fff;background:rgba(255,255,255,.1);transform:translateY(-1px)}
.sort-tab.is-active{background:rgba(41,153,255,.2);color:#fff;box-shadow:inset 0 0 0 1px rgba(41,153,255,.4)}

/* ---------- 壁纸网格 / 卡片 ----------
   悬停只保留壁纸本身的反馈：图片放大提亮、卡片上浮发光、跟随鼠标的高光。
   卡片上不出现任何文字、角标、分辨率、统计或按钮。 */
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1.2vw;max-width:1360px;margin:0 auto;align-items:start}
.card{position:relative;aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;cursor:pointer;isolation:isolate;
  background:#ffffff1a;border-top:1px solid #ffffff80;border-left:1px solid #ffffff80;
  box-shadow:20px 20px 50px #00000080;
  transform:translateY(0);animation:slideTop .55s var(--ease) both;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .5s}
/* 入场动画只控制透明度，避免锁定 transform 导致 hover 上浮失效 */
@keyframes slideTop{from{opacity:.55}to{opacity:1}}
.card::before{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;opacity:0;transition:opacity .45s;
  background:radial-gradient(340px circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,.18),transparent 62%);mix-blend-mode:overlay}
.card-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:10px;
  transition:transform .9s var(--ease),filter .6s;will-change:transform}
.card:hover{z-index:8;transform:translateY(-8px) scale(1.02);border-color:rgba(255,255,255,.85);
  box-shadow:0 30px 70px rgba(0,0,0,.8),0 0 0 1px rgba(255,255,255,.2),0 0 44px rgba(41,153,255,.34)}
.card:hover::before{opacity:1}
.card:hover .card-img{transform:scale(1.14);filter:brightness(1.09) saturate(1.12)}
.card-skeleton{position:absolute;inset:0;background:linear-gradient(100deg,#242426 30%,#303033 50%,#242426 70%);background-size:200% 100%;animation:shimmer 1.4s infinite}
@keyframes shimmer{to{background-position:-200% 0}}
.card.loaded .card-skeleton{display:none}

/* 空态 */
.empty{grid-column:1/-1;text-align:center;padding:80px 20px;color:var(--text-2)}
.empty .ico{font-size:44px;color:#555;display:block;margin:0 auto 14px}
.empty h3{color:#ddd;font-weight:500;margin:0 0 8px}

/* ---------- 昨日热门 ---------- */
.rank-section{max-width:1360px;margin:56px auto 0;padding:22px 24px 26px;border-radius:20px;
  background:linear-gradient(140deg,rgba(255,255,255,.055),rgba(255,255,255,.02));border:1px solid var(--line)}
.rank-head{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.rank-head>.ico{font-size:20px;color:var(--pink)}
.rank-head h3{margin:0;font-size:16px;font-weight:600}
.rank-head span{font-size:12px;color:var(--text-3)}
.rank-more{margin-left:auto;display:flex;align-items:center;gap:4px;font-size:12px;color:var(--text-2);transition:.3s}
.rank-more:hover{color:var(--blue);transform:translateX(3px)}
.rank-more .ico{font-size:13px}
.rank-list{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.rank-item{position:relative;aspect-ratio:16/9;border-radius:12px;overflow:hidden;cursor:pointer;transition:.4s var(--ease);border:1px solid rgba(255,255,255,.1)}
.rank-item img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.rank-item:hover{transform:translateY(-6px);box-shadow:0 16px 34px rgba(0,0,0,.6);border-color:var(--blue)}
.rank-item:hover img{transform:scale(1.1)}

/* ---------- 分页 ---------- */
.pager{display:flex;align-items:center;justify-content:center;gap:6px;margin:34px auto 0;flex-wrap:wrap}
.pager button{min-width:34px;height:34px;padding:0 9px;border-radius:10px;font-size:12px;color:var(--text-2);
  border:1px solid var(--line);background:rgba(255,255,255,.04);display:grid;place-items:center;transition:.28s var(--ease)}
.pager button:hover:not(:disabled){color:#fff;border-color:var(--blue);background:rgba(41,153,255,.18);transform:translateY(-3px);box-shadow:0 6px 18px rgba(41,153,255,.25)}
.pager button.is-active{color:#fff;background:var(--blue);border-color:var(--blue);box-shadow:0 6px 18px rgba(41,153,255,.35)}
.pager button:disabled{opacity:.3;cursor:not-allowed}
.pager .dots{color:var(--text-3);padding:0 4px}
.pager .go-input{width:54px;height:34px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.05);
  text-align:center;font-size:12px;outline:none;transition:.3s}
.pager .go-input:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}
.pager .pager-go{padding:0 14px;background:rgba(41,153,255,.16);color:#dcefff;border-color:rgba(41,153,255,.42)}

/* ---------- 左右悬浮翻页按钮（中等尺寸） ---------- */
.side-nav{position:fixed;top:50%;transform:translateY(-50%);z-index:40;
  width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#e6e6e9;border:1px solid rgba(255,255,255,.16);background:rgba(28,28,30,.82);
  backdrop-filter:blur(16px) saturate(1.3);-webkit-backdrop-filter:blur(16px);
  box-shadow:0 10px 30px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.08);
  cursor:pointer;transition:.3s var(--ease)}
.side-nav .ico{font-size:22px;transition:transform .3s var(--ease)}
.side-prev{left:18px}
.side-next{right:18px}
.side-nav:hover:not(:disabled){color:#fff;border-color:var(--blue);background:rgba(41,153,255,.22);
  box-shadow:0 12px 34px rgba(0,0,0,.6),0 0 26px rgba(41,153,255,.28)}
.side-prev:hover:not(:disabled){transform:translateY(-50%) translateX(-3px)}
.side-next:hover:not(:disabled){transform:translateY(-50%) translateX(3px)}
.side-prev:hover:not(:disabled) .ico{transform:translateX(-2px)}
.side-next:hover:not(:disabled) .ico{transform:translateX(2px)}
.side-nav:disabled{opacity:.28;cursor:not-allowed}
@media (max-width:900px){
  .side-nav{width:44px;height:44px}
  .side-prev{left:10px}.side-next{right:10px}
  .side-nav .ico{font-size:19px}
}
@media (max-width:650px){
  .side-nav{width:40px;height:40px}
  .side-nav .ico{font-size:17px}
}

/* ---------- 顶部悬浮工具栏（由底部移到顶部） ---------- */
.dock{position:fixed;left:50%;top:14px;bottom:auto;transform:translateX(-50%);z-index:55;
  display:flex;align-items:center;gap:7px;
  padding:8px;border-radius:999px;background:rgba(28,28,30,.9);border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(20px) saturate(1.3);-webkit-backdrop-filter:blur(20px);
  box-shadow:0 16px 40px rgba(0,0,0,.7),inset 0 1px 0 rgba(255,255,255,.09);transition:box-shadow .4s}
.dock:hover{box-shadow:0 20px 50px rgba(0,0,0,.82),0 0 34px rgba(41,153,255,.12),inset 0 1px 0 rgba(255,255,255,.14)}
.search-box{position:relative;display:flex;align-items:center;gap:8px;width:220px;height:36px;padding:0 12px;border-radius:999px;
  background:rgba(255,255,255,.075);border:1px solid rgba(255,255,255,.13);transition:.35s var(--ease)}
.search-box:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.28)}
.search-box:focus-within{width:260px;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft);background:rgba(255,255,255,.1)}
.search-box .search-ico{font-size:15px;color:var(--text-2);transition:color .3s}
.search-box:focus-within .search-ico{color:var(--blue)}
.search-box input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:12px;color:#fff}
.search-box input::placeholder{color:#8b8b90}
.search-box input::-webkit-search-cancel-button{display:none}
.search-clear{display:none;color:var(--text-2);font-size:12px;padding:2px}
.search-clear:hover{color:#fff;transform:rotate(90deg)}
.search-box.has-value .search-clear{display:block}
.dock-btn{position:relative;display:flex;align-items:center;gap:6px;height:36px;padding:0 13px;border-radius:999px;font-size:12px;
  color:#c9c9cd;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.045);white-space:nowrap;transition:.32s var(--ease)}
.dock-btn .ico{font-size:15px;transition:transform .35s var(--ease),color .3s}
.dock-btn:hover{color:#fff;background:rgba(41,153,255,.18);border-color:rgba(41,153,255,.5);transform:translateY(-3px);box-shadow:0 8px 22px rgba(41,153,255,.25)}
.dock-btn:hover .ico{transform:scale(1.15);color:var(--blue)}
.dock-btn.is-active{background:rgba(41,153,255,.25);border-color:var(--blue);color:#fff}
.dock-btn .dot{position:absolute;top:4px;right:7px;width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 8px var(--gold)}
.dock-circle{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-size:16px;color:#cfe6ff;
  border:1px solid rgba(41,153,255,.5);background:rgba(41,153,255,.1);transition:.35s var(--ease)}
.dock-circle:hover{background:var(--blue);color:#fff;transform:rotate(90deg) scale(1.1);box-shadow:0 0 22px rgba(41,153,255,.6)}

/* 下拉筛选面板 */
.dropdown{position:absolute;top:calc(100% + 14px);bottom:auto;left:0;min-width:230px;max-width:420px;padding:14px;border-radius:16px;
  background:rgba(26,26,28,.96);border:1px solid var(--line);backdrop-filter:blur(22px);box-shadow:0 22px 56px rgba(0,0,0,.75);
  opacity:0;visibility:hidden;transform:translateY(-10px) scale(.97);transition:.3s var(--ease);z-index:60}
.dropdown.is-open{opacity:1;visibility:visible;transform:translateY(0) scale(1)}
.dd-title{font-size:12px;color:var(--text-3);margin:0 0 10px;display:flex;justify-content:space-between;align-items:center}
.dd-title button{font-size:11px;color:var(--blue);transition:.25s}
.dd-title button:hover{text-shadow:0 0 10px var(--blue)}
.dd-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}
.dd-opt{padding:7px 6px;border-radius:9px;font-size:12px;text-align:center;color:var(--text-2);
  border:1px solid var(--line);background:rgba(255,255,255,.035);transition:.26s var(--ease)}
.dd-opt:hover{color:#fff;border-color:var(--blue);background:rgba(41,153,255,.16);transform:translateY(-2px)}
.dd-opt.is-active{color:#fff;background:var(--blue);border-color:var(--blue)}
.dd-hot{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.dd-hot span{padding:4px 9px;border-radius:999px;font-size:11px;color:#bbb;background:rgba(255,255,255,.06);cursor:pointer;transition:.25s}
.dd-hot span:hover{background:var(--blue);color:#fff;transform:scale(1.08)}
.suggest{position:absolute;top:calc(100% + 12px);bottom:auto;left:0;width:280px;padding:8px;border-radius:14px;
  background:rgba(26,26,28,.97);border:1px solid var(--line);box-shadow:0 18px 44px rgba(0,0,0,.7);backdrop-filter:blur(20px);
  opacity:0;visibility:hidden;transform:translateY(-8px);transition:.28s var(--ease)}
.suggest.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.sg-head{font-size:11px;color:var(--text-3);padding:4px 8px}
.sg-item{display:flex;align-items:center;gap:8px;padding:8px;border-radius:9px;font-size:12px;color:#ddd;cursor:pointer;transition:.22s}
.sg-item .ico{font-size:13px;color:var(--text-3)}
.sg-item:hover{background:rgba(41,153,255,.16);color:#fff;transform:translateX(3px)}
.sg-item:hover .ico{color:var(--blue)}

.brand-mark{width:29px;height:29px;display:block;color:#f2f2f2;flex:none}
.brand-mark svg{width:100%;height:100%}

/* ---------- 页脚 ---------- */
.footer{position:relative;z-index:2;border-top:1px solid var(--line);background:rgba(12,12,13,.72);backdrop-filter:blur(12px)}
.footer-inner{max-width:1360px;margin:0 auto;padding:46px clamp(18px,4vw,58px) 34px;display:grid;grid-template-columns:2fr 1fr 1.3fr 1fr;gap:38px}
.f-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.f-logo b{display:block;font-size:17px;letter-spacing:1px}
.f-logo small{font-size:10px;letter-spacing:3px;color:var(--text-3)}
.f-brand p{font-size:12px;line-height:1.9;color:var(--text-2);max-width:400px;margin:0 0 20px}
.f-qr{display:flex;align-items:center;gap:12px}
.qr-fake{width:62px;height:62px;border-radius:10px;background:#f2f2f2;display:grid;place-items:center;color:#191919;font-size:34px;flex:none}
.f-qr b{display:block;font-size:12px;margin-bottom:5px}
.f-qr span{display:block;font-size:11px;color:var(--text-3);line-height:1.7}
.f-col h4{font-size:13px;margin:0 0 16px;color:#e6e6e8}
.f-col a{position:relative;display:block;font-size:12px;color:var(--text-3);margin-bottom:11px;width:max-content;transition:color .3s}
.f-col a::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:1px;background:var(--blue);transition:width .3s var(--ease)}
.f-col a:hover{color:#fff}
.f-col a:hover::after{width:100%}
.f-bottom{max-width:1360px;margin:0 auto;padding:16px clamp(18px,4vw,58px) 26px;border-top:1px solid rgba(255,255,255,.06);
  display:flex;flex-wrap:wrap;gap:18px;font-size:11px;color:#6a6a6e}
.f-bottom a:hover{color:var(--blue)}

/* 详情弹窗已移除，点击壁纸改为打开独立页面 wallpaper.html */
/* ---------- 右侧抽屉 ---------- */
.side-panel{position:fixed;top:0;right:0;bottom:0;width:min(370px,90vw);z-index:105;padding:22px;overflow:auto;
  background:rgba(22,22,24,.96);border-left:1px solid var(--line);backdrop-filter:blur(20px);
  box-shadow:-24px 0 60px rgba(0,0,0,.6);transform:translateX(105%);transition:transform .45s var(--ease)}
.side-panel.is-open{transform:translateX(0)}
.sp-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:16px}
.sp-head h3{margin:0;font-size:16px}
.sp-close{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;color:#aaa;background:rgba(255,255,255,.06);transition:.3s}
.sp-close:hover{color:#fff;background:#e0564f;transform:rotate(90deg)}
.sp-body{display:grid;gap:10px}
.sp-card{display:flex;gap:12px;align-items:center;padding:9px;border-radius:12px;background:rgba(255,255,255,.045);
  border:1px solid var(--line);cursor:pointer;transition:.3s var(--ease)}
.sp-card:hover{transform:translateX(-4px);border-color:var(--blue);background:rgba(41,153,255,.1)}
.sp-card img{width:82px;height:46px;object-fit:cover;border-radius:8px}
.sp-card b{display:block;font-size:12px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px}
.sp-card small{font-size:11px;color:var(--text-3)}
.sp-empty{text-align:center;color:var(--text-3);font-size:12px;padding:40px 10px;line-height:2}
.sp-empty .ico{font-size:36px;display:block;margin:0 auto 10px;color:#4a4a4e}
.sp-note{display:flex;gap:10px;padding:12px;border-radius:12px;background:rgba(41,153,255,.1);border:1px solid rgba(41,153,255,.25);font-size:12px;color:#cfd8e3;transition:.3s}
.sp-note:hover{background:rgba(41,153,255,.2);transform:translateY(-2px)}

/* ---------- Toast ---------- */
.toast-wrap{position:fixed;top:82px;left:50%;transform:translateX(-50%);z-index:200;display:grid;gap:8px;pointer-events:none}
.toast{display:flex;align-items:center;gap:9px;padding:11px 18px;border-radius:999px;font-size:12px;color:#fff;
  background:rgba(30,30,33,.94);border:1px solid var(--line);box-shadow:0 12px 34px rgba(0,0,0,.6);
  animation:toastIn .35s var(--ease);backdrop-filter:blur(14px)}
.toast .ico{font-size:15px;color:var(--blue)}
.toast.ok .ico{color:#6bdc8c}.toast.warn .ico{color:var(--gold)}
@keyframes toastIn{from{opacity:0;transform:translateY(-14px) scale(.94)}to{opacity:1;transform:none}}

/* ---------- 低功耗模式 ---------- */
body.low-power *,body.low-power *::before,body.low-power *::after{animation-duration:.001s!important;transition-duration:.001s!important}
body.low-power .bg-glow,body.low-power .cursor-glow{display:none}
body.low-power .card:hover .card-img{transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1250px){
  .grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .rank-list{grid-template-columns:repeat(4,1fr)}
  .footer-inner{grid-template-columns:1.6fr 1fr 1.2fr 1fr;gap:24px}
}
@media (max-width:1000px){
  .search-box{width:170px}
  .dock-btn span{display:none}
  .dock-btn{padding:0 11px}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  :root{--topbar-h:0px}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .rank-list{grid-template-columns:repeat(2,1fr)}
  .main{padding-top:82px;padding-bottom:60px}
  .section-head{flex-direction:column;align-items:flex-start}
  .dock{gap:5px;padding:6px;top:10px;bottom:auto;max-width:96vw;overflow-x:auto}
  .search-box{width:150px}
  .search-box:focus-within{width:190px}
  .footer-inner{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}