/* 创想门 · 作品门户 —— 暗色玻璃拟态 + 极光背景 */

:root{
  --bg:#07080f;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.16);
  --txt:#eef1f8;
  --dim:#9aa3b8;
  --dim-2:#6f7891;
  --violet:#8b5cff;
  --cyan:#33d6ff;
  --pink:#ff5c8a;
  --amber:#ffc76b;
  --r:16px;
  --shadow:0 18px 50px -20px rgba(0,0,0,.85);
}

*{box-sizing:border-box}
html,body{margin:0}
body{
  background:var(--bg);
  color:var(--txt);
  font:15px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}

/* ---------- 极光背景 ---------- */
.aurora{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.42}
.b1{width:46vw;height:46vw;left:-10vw;top:-14vw;background:radial-gradient(circle at 35% 35%,var(--violet),transparent 68%)}
.b2{width:40vw;height:40vw;right:-8vw;top:4vw;background:radial-gradient(circle at 60% 40%,var(--cyan),transparent 66%);opacity:.3}
.b3{width:52vw;height:52vw;left:22vw;top:34vh;background:radial-gradient(circle at 50% 50%,var(--pink),transparent 70%);opacity:.22}
.grain{position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.055) 1px,transparent 1px);background-size:22px 22px;opacity:.5}
@media (prefers-reduced-motion:no-preference){
  .blob{animation:drift 26s ease-in-out infinite alternate}
  .b2{animation-duration:32s;animation-direction:alternate-reverse}
  .b3{animation-duration:40s}
}
@keyframes drift{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(4vw,3vh,0) scale(1.14)}}

/* ---------- 顶栏 ---------- */
.top{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  flex-wrap:wrap;
  padding:26px clamp(18px,4vw,54px) 0;
  max-width:1440px;margin:0 auto;
}
.brand{display:flex;align-items:center;gap:14px}
.mark{
  width:46px;height:46px;flex:none;border-radius:14px;
  display:grid;place-items:center;
  font-weight:800;font-size:20px;letter-spacing:-1px;
  background:linear-gradient(140deg,var(--violet),var(--cyan));
  color:#06070d;box-shadow:0 10px 30px -12px rgba(139,92,255,.9);
}
.brand h1{margin:0;font-size:19px;letter-spacing:.5px}
.sub{margin:2px 0 0;font-size:12.5px;color:var(--dim-2);letter-spacing:.4px}
.tools{display:flex;align-items:center;gap:14px;flex-wrap:wrap}

.switch{display:inline-flex;align-items:center;gap:9px;cursor:pointer;user-select:none;font-size:13px;color:var(--dim)}
.switch input{position:absolute;opacity:0;width:0;height:0}
.track{width:42px;height:24px;border-radius:99px;background:rgba(255,255,255,.1);border:1px solid var(--line-2);position:relative;transition:.25s}
.knob{position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:#8b93a8;transition:.25s}
.switch input:checked + .track{background:linear-gradient(120deg,rgba(139,92,255,.55),rgba(51,214,255,.55));border-color:rgba(139,92,255,.6)}
.switch input:checked + .track .knob{left:21px;background:#fff}
.switch input:focus-visible + .track{outline:2px solid var(--cyan);outline-offset:2px}

.search{position:relative;display:flex;align-items:center;gap:8px;padding:0 14px;height:40px;border-radius:99px;
  background:var(--panel);border:1px solid var(--line);min-width:220px;transition:.2s}
.search:focus-within{border-color:var(--line-2);background:var(--panel-2)}
.search svg{color:var(--dim-2);flex:none}
.search input{background:none;border:0;outline:0;color:var(--txt);font-size:14px;width:100%}
.search input::placeholder{color:var(--dim-2)}

/* ---------- Hero ---------- */
.hero{position:relative;z-index:2;max-width:1440px;margin:0 auto;padding:44px clamp(18px,4vw,54px) 8px}
.hero h2{margin:0;font-size:clamp(28px,4.6vw,50px);line-height:1.15;letter-spacing:-.5px;font-weight:800}
.hero h2 em{font-style:normal;background:linear-gradient(100deg,var(--violet) 5%,var(--cyan) 55%,var(--pink));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{max-width:640px;color:var(--dim);margin:14px 0 0;font-size:15px}
.stats{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.stat{padding:8px 14px;border-radius:99px;background:var(--panel);border:1px solid var(--line);font-size:12.5px;color:var(--dim)}
.stat b{color:var(--txt);font-size:13.5px;margin-right:4px}

/* ---------- 分类 ---------- */
.filters{position:relative;z-index:2;display:flex;gap:9px;flex-wrap:wrap;
  max-width:1440px;margin:26px auto 0;padding:0 clamp(18px,4vw,54px)}
.chip{
  padding:8px 16px;border-radius:99px;font-size:13px;cursor:pointer;
  background:var(--panel);border:1px solid var(--line);color:var(--dim);
  transition:.2s;font-family:inherit;
}
.chip:hover{color:var(--txt);border-color:var(--line-2)}
.chip[aria-pressed="true"]{
  color:#06070d;font-weight:700;border-color:transparent;
  background:linear-gradient(120deg,var(--violet),var(--cyan));
  box-shadow:0 8px 24px -12px rgba(139,92,255,.9);
}

/* ---------- 卡片网格 ---------- */
main{position:relative;z-index:2;max-width:1440px;margin:0 auto;padding:22px clamp(18px,4vw,54px) 60px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:22px}
.card{
  position:relative;display:flex;flex-direction:column;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .3s cubic-bezier(.2,.7,.3,1),border-color .3s,background .3s;
  animation:rise .5s both;
}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.card:hover{transform:translateY(-5px);border-color:var(--line-2);background:var(--panel-2)}
.card.hide{display:none}

/* 预览窗 */
.thumb{
  position:relative;aspect-ratio:16/10;overflow:hidden;
  background:linear-gradient(150deg,#121420,#0a0b12);
  border-bottom:1px solid var(--line);
  cursor:pointer;
}
.thumb .art{position:absolute;inset:0;display:grid;place-items:center;transition:.4s}
.thumb .art .glyph{font-size:56px;filter:drop-shadow(0 10px 24px rgba(0,0,0,.6));animation:float 6s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-9px)}}
.thumb .art .hint{position:absolute;bottom:12px;left:0;right:0;text-align:center;font-size:12px;color:var(--dim-2)}
.thumb iframe{
  position:absolute;top:0;left:0;width:1440px;height:900px;border:0;
  transform-origin:top left;opacity:0;transition:opacity .5s;pointer-events:none;background:#fff;
}
.thumb.live iframe{opacity:1}
.thumb.live .art{opacity:0}
/* 静态封面（外部部署 / 无同源预览能力时使用） */
.thumb img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center top;
  transition:transform .5s cubic-bezier(.2,.7,.3,1);
}
.card:hover .thumb img{transform:scale(1.045)}
.thumb .shine{position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(5,6,12,.85));pointer-events:none}
.badge{
  position:absolute;top:12px;left:12px;z-index:3;
  font-size:11px;font-weight:700;letter-spacing:.6px;padding:5px 10px;border-radius:8px;
  background:rgba(6,7,13,.72);border:1px solid var(--line-2);color:var(--txt);backdrop-filter:blur(8px);
}
.badge.is3d{background:linear-gradient(120deg,rgba(139,92,255,.85),rgba(51,214,255,.85));border-color:transparent;color:#06070d}
.badge.isnew{background:linear-gradient(120deg,var(--pink),var(--amber));border-color:transparent;color:#1a0b12}
.spin{
  position:absolute;top:12px;right:12px;z-index:3;width:22px;height:22px;border-radius:50%;
  border:2px solid rgba(255,255,255,.2);border-top-color:var(--cyan);
  opacity:0;transition:.3s;
}
.thumb.loading .spin{opacity:1;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* 卡片正文 */
.body{padding:17px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.head h3{margin:0;font-size:16.5px;letter-spacing:.2px}
.head .en{font-size:11.5px;color:var(--dim-2);letter-spacing:.6px;white-space:nowrap}
.desc{margin:0;font-size:13.5px;color:var(--dim);flex:1}
.tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{font-size:11.5px;padding:4px 9px;border-radius:7px;background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--dim)}
.acts{display:flex;gap:10px;margin-top:4px}
.btn,.ghost{
  flex:1;text-align:center;padding:10px 14px;border-radius:11px;font-size:13.5px;
  cursor:pointer;font-family:inherit;transition:.2s;border:1px solid transparent;
}
.btn{background:linear-gradient(120deg,var(--violet),var(--cyan));color:#06070d;font-weight:700}
.btn:hover{filter:brightness(1.1);transform:translateY(-1px)}
.ghost{background:transparent;border-color:var(--line-2);color:var(--dim);flex:0 0 auto;padding:10px 14px}
.ghost:hover{color:var(--txt);background:var(--panel-2)}

.empty{text-align:center;color:var(--dim-2);padding:60px 0}

/* ---------- 页脚 ---------- */
.foot{position:relative;z-index:2;max-width:1440px;margin:0 auto;padding:0 clamp(18px,4vw,54px) 46px;color:var(--dim-2);font-size:12.5px}
.foot-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center;padding-top:22px;border-top:1px solid var(--line)}
.foot-title{color:var(--dim);font-weight:700;letter-spacing:.5px}
.foot-row a{color:var(--dim);transition:.2s}
.foot-row a:hover{color:var(--cyan)}
.copy{margin:14px 0 0}

@media (max-width:640px){
  .grid{grid-template-columns:1fr}
  .hero{padding-top:30px}
  .tools{width:100%}
  .search{flex:1;min-width:0}
  /* 卡片标题行：英文副标改到标题下方，避免 nowrap 溢出被裁切 */
  .head{flex-direction:column;align-items:flex-start;gap:2px}
  .head .en{white-space:normal}
  /* 窄屏收紧胶囊内距，防止统计行贴边溢出 */
  .stats{gap:8px}
  .stat{padding:7px 11px;font-size:12px}
  .filters{gap:8px}
  .chip{padding:7px 13px;font-size:12.5px}
  .body{padding:15px 16px 16px}
}