:root{
  --bg:#0a0a0c; --bg2:#101014; --panel:rgba(255,255,255,.035); --panel2:rgba(255,255,255,.06);
  --ink:#f4f2ee; --muted:#a6a39b; --faint:#726f68;
  --line:rgba(255,255,255,.09); --line2:rgba(255,255,255,.16);
  --accent:#ff6a3d; --accent-soft:rgba(255,106,61,.16);
  --display:"Space Grotesk","Noto Sans SC",-apple-system,BlinkMacSystemFont,sans-serif;
  --sans:"Inter","Noto Sans SC",-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  --max:1180px;
}
@property --ba{syntax:"<angle>";inherits:false;initial-value:0deg}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.7;
  -webkit-font-smoothing:antialiased;
  background:
    radial-gradient(900px 520px at 82% -6%,rgba(255,106,61,.16),transparent 60%),
    radial-gradient(760px 480px at 6% 8%,rgba(96,120,255,.08),transparent 55%),
    var(--bg);
  background-attachment:fixed,fixed,scroll}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 40px}
.narrow{max-width:760px}
.kicker{font-family:var(--display);font-size:12px;font-weight:500;letter-spacing:.24em;
  text-transform:uppercase;color:var(--accent)}

/* entrance motion */
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.hero-text>*,.portrait-frame,.sec-head,.page-head,.cards>.card,.news>.news-item,.list>.list-item,.prose-wrap .prose{
  animation:rise .8s cubic-bezier(.2,.7,.15,1) both}
.hero-text>*:nth-child(1){animation-delay:.02s}
.hero-text>*:nth-child(2){animation-delay:.09s}
.hero-text>*:nth-child(3){animation-delay:.16s}
.hero-text>*:nth-child(4){animation-delay:.23s}
.hero-text>*:nth-child(5){animation-delay:.30s}
.hero-text>*:nth-child(6){animation-delay:.37s}
.portrait-frame{animation-delay:.15s}
.cards>.card:nth-child(2){animation-delay:.08s}
.cards>.card:nth-child(3){animation-delay:.16s}
.cards>.card:nth-child(4){animation-delay:.24s}
.news>.news-item:nth-child(2){animation-delay:.06s}
.news>.news-item:nth-child(3){animation-delay:.12s}
.news>.news-item:nth-child(4){animation-delay:.18s}
@media(prefers-reduced-motion:reduce){*{animation:none!important}}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(10,10,12,.72);
  backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.brand-wrap{display:flex;align-items:center;gap:12px;min-width:0}
.brand{font-family:var(--display);font-weight:700;font-size:19px;letter-spacing:.22em;color:var(--ink)}
.club-badge{display:inline-flex;align-items:center;gap:6px;font-size:11px;letter-spacing:.08em;
  color:var(--muted);border:1px solid var(--line2);padding:4px 11px 4px 7px;border-radius:100px;background:var(--panel)}
.club-mark{height:15px;width:auto;display:block}
.site-header nav{display:flex;align-items:center;gap:2px;flex-wrap:wrap}
.site-header nav a{font-size:13.5px;letter-spacing:.02em;color:var(--muted);padding:8px 13px;border-radius:8px;transition:.18s}
.site-header nav a:hover{color:var(--ink);background:var(--panel)}
.site-header nav a.active{color:var(--ink)}
.site-header nav a.lang{margin-left:6px;border:1px solid var(--line2);color:var(--ink);letter-spacing:.08em}
.menu-btn{display:none;background:none;border:0;color:var(--ink);font-size:22px;cursor:pointer}

/* ---------- Hero ---------- */
.hero{padding:104px 0 92px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.3fr .82fr;gap:64px;align-items:center}
.hero .kicker{margin:0 0 24px}
.hero .role{font-family:var(--display);font-size:clamp(17px,2vw,22px);color:var(--accent);
  margin:0 0 22px;font-weight:500;letter-spacing:-.01em}
/* homepage about block */
.about-block{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.about-text p{font-size:18px;line-height:1.78;color:#cfccc4;margin:0 0 24px;max-width:54ch}
.about-photo{margin:0}
.about-photo img{width:100%;border-radius:16px;border:1px solid var(--line2);display:block}
.about-photo figcaption{color:var(--faint);font-size:13px;margin-top:10px;text-align:center}
@media(max-width:900px){.about-block{grid-template-columns:1fr;gap:26px}}
/* homepage works block */
.works-intro{color:var(--muted);font-size:17px;line-height:1.7;max-width:64ch;margin:0 0 28px}
.works-hero{margin:0 0 8px}
.works-hero img{width:100%;border:1px solid var(--line2);border-radius:16px;display:block}
.works-hero figcaption{color:var(--faint);font-size:13px;margin-top:10px;text-align:center}
.works-sub{font-family:var(--display);font-weight:500;font-size:20px;margin:38px 0 18px}
.cred{list-style:none;padding:0;margin:0 0 26px;display:flex;flex-wrap:wrap;gap:8px}
.cred li{font-size:13px;color:var(--muted);border:1px solid var(--line);background:var(--panel);
  padding:7px 14px;border-radius:100px}
.hero h1{font-family:var(--display);font-weight:500;font-size:clamp(46px,6.4vw,82px);
  line-height:1.06;letter-spacing:-.02em;margin:0 0 22px;word-break:keep-all}
.hero h1 .hl{color:var(--accent);display:block}
.hero .lead{font-size:clamp(18px,2vw,22px);line-height:1.5;color:#d8d5cd;max-width:30ch;margin:0 0 20px}
.hero .intro{color:var(--muted);max-width:44ch;margin:0 0 30px;font-size:16px}
.hero-meta{list-style:none;padding:0;margin:0 0 34px;display:flex;flex-wrap:wrap;gap:8px}
.hero-meta li{font-size:13px;color:var(--muted);border:1px solid var(--line);background:rgba(255,255,255,.045);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  padding:7px 14px;border-radius:100px;display:flex;align-items:center;gap:8px;transition:.2s}
.hero-meta li:hover{border-color:var(--line2);color:var(--ink)}
.hero-meta li::before{content:"";width:5px;height:5px;background:var(--accent);border-radius:50%}
.cta-row{display:flex;gap:13px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:100px;
  font-size:14.5px;letter-spacing:.01em;font-weight:500;transition:.2s;border:1px solid transparent}
.btn-primary{background:var(--accent);color:#1a0d07;box-shadow:0 10px 30px -8px rgba(255,106,61,.5)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px -10px rgba(255,106,61,.6)}
.btn-ghost{border-color:var(--line2);color:var(--ink);background:var(--panel)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.portrait-frame{position:relative;padding:10px}
.portrait-frame::after{content:"";position:absolute;inset:-30px -20px;z-index:0;
  background:radial-gradient(closest-side,rgba(255,106,61,.28),transparent 72%);filter:blur(6px)}
.portrait-frame img{position:relative;z-index:1;width:100%;aspect-ratio:1/1;object-fit:cover;
  border-radius:20px;border:1px solid var(--line2)}
.portrait-frame::before{content:"";position:absolute;inset:10px;border-radius:20px;padding:1.5px;z-index:2;pointer-events:none;
  background:conic-gradient(from var(--ba),rgba(255,255,255,.16),rgba(255,106,61,.75),transparent 34%,rgba(120,140,255,.55),rgba(255,255,255,.16));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;
  mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask-composite:exclude;
  animation:ba 9s linear infinite;opacity:.85}
.portrait-cap{position:absolute;z-index:2;left:22px;bottom:22px;
  background:rgba(10,10,12,.62);backdrop-filter:blur(8px);border:1px solid var(--line2);
  color:var(--ink);font-family:var(--display);font-size:11px;letter-spacing:.22em;
  text-transform:uppercase;padding:7px 13px;border-radius:100px}

/* ---------- Sections ---------- */
.section{padding:84px 0;position:relative}
.section + .section{border-top:1px solid var(--line)}
.sec-head{display:flex;align-items:baseline;gap:18px;margin:0 0 44px}
.sec-index{font-family:var(--display);font-size:14px;color:var(--accent);font-weight:500;
  letter-spacing:.1em;flex:none}
.sec-title{font-family:var(--display);font-weight:500;font-size:clamp(26px,3.6vw,40px);
  line-height:1.05;letter-spacing:-.01em;margin:0}
.sec-head .more{margin-left:auto;font-size:13px;letter-spacing:.04em;color:var(--muted);
  white-space:nowrap;align-self:center;transition:.18s}
.sec-head .more:hover{color:var(--accent)}

/* ---------- Cards ---------- */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{position:relative;padding:32px 30px 30px;border-radius:18px;isolation:isolate;overflow:hidden;
  background:rgba(255,255,255,.045);backdrop-filter:blur(16px) saturate(150%);-webkit-backdrop-filter:blur(16px) saturate(150%);
  transition:transform .28s cubic-bezier(.2,.7,.15,1),background .28s}
/* 液态玻璃动态描边 */
.card::before{content:"";position:absolute;inset:0;border-radius:18px;padding:1px;pointer-events:none;z-index:0;
  background:conic-gradient(from var(--ba),rgba(255,255,255,.10),rgba(255,106,61,.55),rgba(255,255,255,.05),rgba(120,140,255,.4),rgba(255,255,255,.10));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;
  mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask-composite:exclude;
  opacity:.45;animation:ba 9s linear infinite}
@keyframes ba{to{--ba:360deg}}
/* 光标聚光 */
.card::after{content:"";position:absolute;inset:0;border-radius:18px;pointer-events:none;z-index:0;
  background:radial-gradient(280px circle at var(--mx,50%) var(--my,-30%),rgba(255,106,61,.22),transparent 62%);
  opacity:0;transition:opacity .3s}
.card:hover{transform:translateY(-4px);background:rgba(255,255,255,.075)}
.card:hover::before{opacity:.9}
.card:hover::after{opacity:1}
.card>*{position:relative;z-index:1}
.card .cnum{font-family:var(--display);font-size:13px;color:var(--faint);margin-bottom:18px;letter-spacing:.1em}
.card h3{font-family:var(--display);font-weight:500;font-size:21px;margin:0 0 10px;transition:.2s}
.card p{margin:0;color:var(--muted);font-size:15px}
.card .arrow{position:absolute;top:32px;right:30px;color:var(--accent);opacity:0;transform:translateX(-6px);transition:.22s}
.card:hover h3{color:var(--accent)}
.card:hover .arrow{opacity:1;transform:none}

/* ---------- News / list ---------- */
.news{display:grid}
.news-item{display:grid;grid-template-columns:118px 1fr auto;gap:20px;align-items:center;
  padding:22px 8px;border-top:1px solid var(--line);transition:.2s;border-radius:12px}
.news-item:last-child{border-bottom:1px solid var(--line)}
.news-item:hover{background:var(--panel);padding-left:18px;padding-right:18px}
.news-item .date{font-size:13px;color:var(--faint);letter-spacing:.03em;font-variant-numeric:tabular-nums}
.news-item .nt{font-family:var(--display);font-size:19px;font-weight:500}
.news-item .go{color:var(--accent);opacity:0;transform:translateX(-6px);transition:.2s}
.news-item:hover .go{opacity:1;transform:none}
.list{display:grid}
.list-item{display:block;padding:30px 8px;border-top:1px solid var(--line);transition:.2s;border-radius:12px}
.list-item:last-child{border-bottom:1px solid var(--line)}
.list-item:hover{background:var(--panel);padding-left:18px}
.list-item .date{font-size:12px;letter-spacing:.06em;color:var(--accent);text-transform:uppercase}
.list-item h3{font-family:var(--display);font-weight:500;font-size:clamp(21px,2.6vw,27px);margin:8px 0 8px}
.list-item p{margin:0;color:var(--muted);font-size:16px;max-width:64ch}
.muted{color:var(--muted)}

/* ---------- Pages / prose ---------- */
.prose-wrap{padding:80px 0}
.page-head{border-bottom:1px solid var(--line);padding-bottom:30px;margin-bottom:44px}
.page-title{font-family:var(--display);font-weight:500;font-size:clamp(32px,5vw,58px);
  line-height:1.04;letter-spacing:-.02em;margin:0}
.page-sub{color:var(--muted);font-size:19px;margin:18px 0 0;max-width:60ch;line-height:1.5}
.post-meta{color:var(--faint);font-size:13px;letter-spacing:.06em;text-transform:uppercase;margin:16px 0 0}
.back{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);display:inline-block;margin-bottom:28px}
.back:hover{color:var(--accent)}
.prose{font-size:17.5px;line-height:1.8;color:#cfccc4}
.prose h2{font-family:var(--display);font-weight:500;color:var(--ink);font-size:27px;margin:44px 0 16px;line-height:1.15;letter-spacing:-.01em}
.prose h3{font-family:var(--display);font-weight:500;color:var(--ink);font-size:20px;margin:32px 0 10px}
.prose p{margin:0 0 18px}
.prose strong{color:var(--ink);font-weight:600}
.prose ul,.prose ol{padding-left:22px;margin:0 0 18px}
.prose li{margin:8px 0}
.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose blockquote{border-left:2px solid var(--accent);margin:28px 0;padding:6px 0 6px 24px;
  font-family:var(--display);font-size:21px;color:var(--ink);line-height:1.4;font-weight:500}
.prose blockquote p{margin:0}
.prose code{background:var(--panel2);padding:2px 7px;border-radius:6px;font-size:14.5px;color:#ffd9c9}
.prose img{border:1px solid var(--line);border-radius:12px;margin:8px 0}
.prose hr{border:0;border-top:1px solid var(--line);margin:40px 0}
.figure-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;margin:26px 0}
.figure-grid img{width:100%;aspect-ratio:3/4;object-fit:cover;border:1px solid var(--line2);border-radius:12px;transition:.2s}
.figure-grid img:hover{transform:translateY(-3px);border-color:var(--accent)}
.prose figure{margin:30px 0}
.prose figure img{width:100%;border:1px solid var(--line2);border-radius:14px;display:block}
.prose figcaption{color:var(--faint);font-size:13px;margin-top:10px;text-align:center}
.qr-box{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin:26px 0;padding:22px;
  border:1px solid var(--line);border-radius:16px;background:var(--panel);width:fit-content}
.qr-box img{width:180px;height:180px;border-radius:12px;border:1px solid var(--line2);background:#fff}
.qr-box .qt{color:var(--ink);font-weight:500;margin-bottom:4px}
.qr-box .qs{color:var(--muted);font-size:14px}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);padding:72px 0 48px;position:relative}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:start}
.club-logo{display:block;height:36px;width:auto;margin:16px 0 0;opacity:.92}
.site-footer .f-name{font-family:var(--display);font-weight:700;letter-spacing:.14em;font-size:18px;color:var(--ink);margin-bottom:10px}
.site-footer .f-role{color:var(--muted);font-size:14px;margin-bottom:12px}
.site-footer .f-contact{color:var(--muted);font-size:14px;line-height:1.9}
.foot-right{text-align:right}
.foot-nav{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;margin-bottom:20px}
.foot-nav a{font-size:13px;letter-spacing:.02em;color:var(--muted);transition:.18s}
.foot-nav a:hover{color:var(--accent)}
.f-copy{color:var(--faint);font-size:12px;letter-spacing:.04em}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .portrait-frame{max-width:340px}
  .foot-grid{grid-template-columns:1fr}
  .foot-right,.foot-nav{text-align:left;justify-content:flex-start}
}
@media(max-width:680px){
  .wrap{padding:0 22px}
  .menu-btn{display:block}
  .club-badge{display:none}
  .site-header nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;
    align-items:flex-start;background:var(--bg2);border-bottom:1px solid var(--line);padding:12px 22px}
  body.nav-open .site-header nav{display:flex}
  .site-header nav a{width:100%;padding:11px 0}
  .cards{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr;gap:6px}
  .hero{padding:64px 0 56px}.section{padding:60px 0}
}