/* 曾钰哲团队 × DeepSeek · 统一门户
   2026-11-06
   一套样式，首页 / 团队分站 / 后台共用。 */

:root{
  --ink:#070b14;
  --ink2:#0d1424;
  --panel:rgba(16,24,40,.62);
  --line:rgba(148,168,204,.18);
  --line2:rgba(148,168,204,.32);
  --txt:#e8eefc;
  --dim:#93a3c0;
  --gold:#e8c98a;
  --gold2:#c9a227;

  --c-edu:#5b8cff;
  --c-home:#ff8fb1;
  --c-fun:#ffc861;
  --c-tech:#6ee7d0;
  --c-sci:#8ad47a;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--ink);
  color:var(--txt);
  font:16px/1.7 "PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

/* ---------- 背景 ---------- */
.bg{position:fixed;inset:0;z-index:-2;background:
  radial-gradient(1100px 700px at 12% -8%, rgba(91,140,255,.20), transparent 60%),
  radial-gradient(900px 620px at 88% 4%, rgba(201,162,39,.14), transparent 62%),
  radial-gradient(1000px 800px at 50% 108%, rgba(110,231,208,.12), transparent 60%),
  linear-gradient(180deg,#070b14 0%,#080d18 45%,#060a11 100%);}
.grain{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.35;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:3px 3px;}

/* ---------- 顶栏 ---------- */
.top{position:sticky;top:0;z-index:40;backdrop-filter:blur(14px);
  background:rgba(7,11,20,.72);border-bottom:1px solid var(--line)}
.top .in{max-width:1180px;margin:0 auto;padding:.85rem 1.2rem;display:flex;align-items:center;gap:1rem}
.logo{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--txt)}
.logo .mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--gold),var(--gold2));color:#1b1305;font-weight:800;font-size:15px}
.logo b{font-size:1.02rem;letter-spacing:.02em}
.logo small{display:block;font-size:.68rem;color:var(--dim);font-weight:400;letter-spacing:.08em}
.sp{flex:1}
.tbtn{padding:.5em 1.05em;border-radius:10px;border:1px solid var(--line2);
  background:rgba(255,255,255,.04);color:var(--txt);font:inherit;font-size:.88rem;cursor:pointer;transition:.16s}
.tbtn:hover{border-color:var(--gold);color:var(--gold)}
.tbtn.primary{background:linear-gradient(135deg,var(--gold),var(--gold2));border-color:transparent;color:#1b1305;font-weight:700}
.tbtn.primary:hover{filter:brightness(1.08);color:#1b1305}

/* ---------- 容器 ---------- */
.wrap{max-width:1180px;margin:0 auto;padding:0 1.2rem}

/* ---------- 头图 ---------- */
.hero{padding:4.5rem 0 3rem;text-align:center}
.hero .kicker{display:inline-block;font-size:.78rem;letter-spacing:.22em;color:var(--gold);
  border:1px solid rgba(232,201,138,.35);border-radius:999px;padding:.3em 1em;margin-bottom:1.4rem}
.hero h1{margin:0 0 1rem;font-size:clamp(2rem,5vw,3.4rem);line-height:1.2;letter-spacing:.01em}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,#f4dfae,var(--gold2));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{margin:0 auto;max-width:44rem;color:var(--dim);font-size:1.02rem}
.hero .stats{display:flex;justify-content:center;gap:2.6rem;margin-top:2.4rem;flex-wrap:wrap}
.hero .stats div{text-align:center}
.hero .stats b{display:block;font-size:1.9rem;color:var(--gold);font-variant-numeric:tabular-nums}
.hero .stats span{font-size:.78rem;color:var(--dim);letter-spacing:.1em}

/* ---------- 五大分类（只在首页） ---------- */
.cats{display:grid;grid-template-columns:repeat(5,1fr);gap:.9rem;margin:1rem 0 3.4rem}
@media (max-width:900px){.cats{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.cats{grid-template-columns:1fr}}
.cat{position:relative;padding:1.35rem 1.1rem;border-radius:16px;border:1px solid var(--line);
  background:var(--panel);cursor:pointer;text-align:left;font:inherit;color:var(--txt);transition:.2s;overflow:hidden}
.cat::after{content:"";position:absolute;inset:0;opacity:0;transition:.2s;
  background:radial-gradient(240px 120px at 50% 0%, var(--tint), transparent 70%)}
.cat:hover{border-color:var(--line2);transform:translateY(-3px)}
.cat:hover::after,.cat.on::after{opacity:1}
.cat.on{border-color:var(--gold)}
.cat .ic{font-size:1.5rem;display:block;margin-bottom:.5rem}
.cat b{display:block;font-size:1rem;margin-bottom:.25rem}
.cat span{font-size:.76rem;color:var(--dim)}

/* ---------- 分区 ---------- */
.sec{margin-bottom:3.6rem;scroll-margin-top:5.5rem}
.sec .hd{display:flex;align-items:baseline;gap:.9rem;margin-bottom:1.3rem;flex-wrap:wrap}
.sec .hd h2{margin:0;font-size:1.4rem;letter-spacing:.01em}
.sec .hd .dot{width:9px;height:9px;border-radius:50%;background:var(--tint)}
.sec .hd .note{color:var(--dim);font-size:.82rem}

/* ---------- 平台卡片 ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(19rem,1fr));gap:1rem}
.card{display:flex;flex-direction:column;gap:.7rem;padding:1.35rem 1.4rem;border-radius:16px;
  border:1px solid var(--line);background:var(--panel);text-decoration:none;color:inherit;
  transition:.2s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-3px);border-color:var(--line2);
  box-shadow:0 18px 40px -22px rgba(0,0,0,.9)}
.card:hover .go{color:var(--gold);transform:translateX(3px)}
.card .row{display:flex;align-items:center;gap:.8rem}
.card .em{font-size:1.45rem;width:2.6rem;height:2.6rem;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line)}
.card h3{margin:0;font-size:1.06rem}
.card .sub{font-size:.74rem;color:var(--dim);letter-spacing:.06em}
.card p{margin:0;color:var(--dim);font-size:.88rem;line-height:1.75;flex:1}
.card .foot{display:flex;align-items:center;gap:.6rem;font-size:.76rem;color:var(--dim)}
.card .pill{border:1px solid var(--line);border-radius:999px;padding:.08em .65em}
.card .pill.live{color:#9be4a8;border-color:#3f7a4c}
.card .go{margin-left:auto;color:var(--dim);transition:.2s;font-size:.82rem}
.card .url{font-family:ui-monospace,Consolas,monospace;font-size:.72rem;color:rgba(147,163,192,.65);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card.soon{opacity:.66;cursor:default}
.card.soon:hover{transform:none;box-shadow:none}

/* ---------- 页脚 ---------- */
.foot-wrap{border-top:1px solid var(--line);margin-top:2rem;padding:2.4rem 0 3rem;color:var(--dim);font-size:.82rem}
.foot-wrap .cols{display:flex;gap:3rem;flex-wrap:wrap;justify-content:space-between}
.foot-wrap a{color:var(--gold);text-decoration:none}
.foot-wrap a:hover{text-decoration:underline}

/* ---------- 水印 ---------- */
.wm{position:fixed;right:1rem;bottom:.85rem;z-index:35;font-size:.74rem;color:rgba(147,163,192,.55);
  background:rgba(7,11,20,.55);border:1px solid var(--line);border-radius:999px;padding:.32em .9em;
  backdrop-filter:blur(8px);text-decoration:none}
.wm b{color:var(--gold);font-weight:600}

/* ---------- 弹窗 ---------- */
.mask{position:fixed;inset:0;z-index:60;background:rgba(4,7,13,.72);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;padding:1.2rem}
.mask[hidden]{display:none}
.modal{width:100%;max-width:26rem;background:#0e1524;border:1px solid var(--line2);border-radius:18px;
  padding:1.7rem 1.8rem 1.5rem;box-shadow:0 30px 80px -30px #000}
.modal h2{margin:0 0 .3rem;font-size:1.15rem}
.modal .tip{margin:0 0 1.2rem;color:var(--dim);font-size:.82rem;line-height:1.7}
.modal .x{position:absolute}
.modal label{display:block;font-size:.8rem;color:var(--dim);margin:.9rem 0 .35rem}
.modal input{width:100%;padding:.7em .9em;border-radius:10px;border:1px solid var(--line);
  background:rgba(0,0,0,.3);color:var(--txt);font:inherit;font-size:.95rem}
.modal input:focus{outline:none;border-color:var(--gold)}
.modal .acts{display:flex;gap:.6rem;margin-top:1.3rem}
.modal .acts .tbtn{flex:1;text-align:center;padding:.7em}
.err{color:#ff9aa8;font-size:.82rem;margin-top:.7rem;min-height:1.2em}
.ok{color:#9be4a8;font-size:.82rem;margin-top:.7rem;min-height:1.2em}
.swap{margin-top:.9rem;font-size:.8rem;color:var(--dim);text-align:center}
.swap a{color:var(--gold);cursor:pointer;text-decoration:none}

/* ---------- 团队页 ---------- */
.team-hero{padding:4rem 0 2rem}
.team-hero .avatar{width:96px;height:96px;border-radius:26px;display:grid;place-items:center;
  font-size:2.4rem;background:linear-gradient(135deg,var(--gold),var(--gold2));color:#1b1305;margin-bottom:1.4rem}
.team-hero h1{margin:0 0 .5rem;font-size:clamp(1.8rem,4vw,2.6rem)}
.team-hero .role{color:var(--gold);font-size:.9rem;letter-spacing:.14em;margin-bottom:1.2rem}
.team-hero p{max-width:44rem;color:var(--dim);margin:0}
.timeline{list-style:none;padding:0;margin:1.2rem 0 0}
.timeline li{position:relative;padding:0 0 1.5rem 1.8rem;border-left:1px solid var(--line)}
.timeline li::before{content:"";position:absolute;left:-4.5px;top:.5em;width:8px;height:8px;border-radius:50%;
  background:var(--gold)}
.timeline b{display:block;font-size:.98rem}
.timeline span{color:var(--dim);font-size:.84rem}

/* ---------- 后台 ---------- */
.admin-wrap{max-width:1180px;margin:0 auto;padding:2rem 1.2rem 4rem}
.admin-wrap h1{font-size:1.5rem;margin:0 0 1.4rem}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:1.3rem 1.4rem;margin-bottom:1.2rem}
.panel h2{font-size:1.02rem;margin:0 0 .9rem;color:var(--gold);font-weight:600}
table{width:100%;border-collapse:collapse;font-size:.84rem}
th,td{text-align:left;padding:.55em .6em;border-bottom:1px solid var(--line)}
th{color:var(--dim);font-weight:600;font-size:.78rem}
td.mono{font-family:ui-monospace,Consolas,monospace;font-size:.78rem}
.scroll{max-height:24rem;overflow:auto}