:root{--bg:#f4f8ff;--panel:rgba(255,255,255,.82);--text:#1c2940;--muted:#62738c;--line:rgba(80,108,145,.18);--cyan:#0f988b;--max:1160px}
*{box-sizing:border-box}html{background:var(--bg)}body{margin:0;color:var(--text);font-family:"Avenir Next Rounded","Nunito","HarmonyOS Sans SC","Microsoft YaHei UI",system-ui,sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}.wallpaper{position:fixed;inset:0;z-index:-3;width:100%;height:100%;object-fit:cover;pointer-events:none}.shade{position:fixed;inset:0;z-index:-2;background:linear-gradient(180deg,rgba(247,250,255,.82),rgba(244,248,255,.96));pointer-events:none}.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}a{color:inherit;text-decoration:none}.nav{position:sticky;top:0;z-index:10;border-bottom:1px solid var(--line);background:rgba(248,251,255,.86);backdrop-filter:blur(18px)}.navin{height:72px;display:flex;align-items:center;gap:24px}.brand{font-weight:800;letter-spacing:.04em;white-space:nowrap}.brand i{display:inline-block;width:9px;height:9px;margin-left:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 18px var(--cyan)}.links{display:flex;gap:4px;margin-right:auto;color:var(--muted);font-size:.88rem}.links a{padding:9px 11px;border-radius:999px;font-weight:700}.links a:hover,.links a.active{color:var(--text);background:#fff;box-shadow:0 5px 18px rgba(65,88,120,.09)}.lang{display:flex;gap:3px;padding:4px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.72)}.lang button{border:0;background:transparent;color:var(--muted);border-radius:999px;padding:6px 9px;font-size:.76rem;font-weight:750;cursor:pointer}.lang button.active{background:var(--text);color:white}.menu{display:none;margin-left:auto;width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:#fff;color:var(--text);font-size:1.2rem}.page-head{padding:96px 0 56px}.back{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-weight:700;font-size:.85rem}.kicker{margin-top:48px;color:var(--cyan);font-size:.82rem;font-weight:800;letter-spacing:.14em}.page-head h1{max-width:900px;margin:12px 0 24px;font-size:clamp(3.2rem,8vw,7rem);line-height:.95;letter-spacing:-.06em}.intro{max-width:720px;color:var(--muted);font-size:clamp(1.05rem,2vw,1.3rem)}.content{padding:0 0 120px}.panel{padding:clamp(28px,6vw,62px);border:1px solid var(--line);border-radius:28px;background:var(--panel);box-shadow:0 20px 70px rgba(65,88,120,.1);backdrop-filter:blur(12px)}.panel h2{margin:0 0 12px;font-size:clamp(1.6rem,3vw,2.4rem);line-height:1.2}.panel p{margin:0;color:var(--muted)}.bio{font-size:clamp(1.2rem,2.2vw,1.75rem);line-height:1.55;margin-bottom:34px!important;color:var(--text)!important}.bio em{font-style:normal;color:var(--cyan)}.education{display:grid;gap:1px;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:var(--line)}.edu{padding:22px;background:rgba(255,255,255,.9)}.edu span{display:block;color:var(--cyan);font-size:.82rem;font-weight:800}.edu strong{display:block;margin-top:5px}.edu p{margin-top:3px;font-size:.92rem}.foot{display:flex;justify-content:space-between;gap:20px;padding:26px 0 42px;border-top:1px solid var(--line);color:var(--muted);font-size:.8rem}
@media(max-width:940px){.navin{gap:12px}.menu{display:grid;place-items:center}.links{display:none;position:absolute;left:20px;right:20px;top:64px;padding:12px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.97);box-shadow:0 18px 45px rgba(65,88,120,.15);flex-direction:column}.links.open{display:flex}.links a{text-align:left}.page-head{padding-top:70px}.foot{flex-direction:column}}
@media(max-width:940px){body{background:var(--bg) url('background-poster-mobile.jpg') center top/cover fixed no-repeat}.wallpaper{object-position:center center}}
@media(prefers-reduced-motion:reduce){.wallpaper{animation:none}}
.foot{display:grid;grid-template-columns:1fr auto 1fr;align-items:center}.foot>a{justify-self:center;color:var(--muted);white-space:nowrap}.foot>span:last-child{justify-self:end;text-align:right}.foot a:hover{color:var(--text)}
@media(max-width:640px){.foot{grid-template-columns:1fr;justify-items:start}.foot>a,.foot>span:last-child{justify-self:start;text-align:left}}

/* Keep the fixed video and its lightening veil inside the page's own layer. */
body{position:relative;isolation:isolate;min-height:100vh;background:transparent}

@media(max-width:940px){
  body{background-color:var(--bg);background-image:none}
  .wallpaper{z-index:-4;object-position:center center;background:var(--bg)}
  .shade{z-index:-3;background:linear-gradient(180deg,rgba(247,250,255,.72),rgba(244,248,255,.88) 58%,rgba(244,248,255,.94));backdrop-filter:saturate(.84)}
  .page-head{padding:54px 0 34px}
  .kicker{margin-top:30px}
  .page-head h1{margin:10px 0 18px;font-size:clamp(2.7rem,14vw,4.5rem);line-height:1}
  .content{padding-bottom:74px}
  .panel{padding:clamp(22px,7vw,34px);border-radius:24px;background:rgba(255,255,255,.88);box-shadow:0 18px 50px rgba(65,88,120,.12)}
  .bio{font-size:1.08rem;margin-bottom:26px!important}
  .edu{padding:18px}
  .edu p,.intro{overflow-wrap:anywhere}
}

@media(max-width:640px){
  .wrap{width:min(var(--max),calc(100% - 28px))}
  .navin{height:64px}
  .brand{font-size:.92rem}
  .lang button{padding:5px 7px}
  .menu{width:38px;height:38px}
  .links{left:14px;right:14px}
  .foot{width:calc(100% - 28px);margin:0 auto 20px;padding:22px 18px;grid-template-columns:1fr;justify-items:center;gap:12px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.82);box-shadow:0 16px 42px rgba(65,88,120,.11);backdrop-filter:blur(14px);text-align:center}
  .foot>a{justify-self:center;padding:7px 14px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.72)}
  .foot>span:last-child{justify-self:center;max-width:19rem;text-align:center;line-height:1.55}
}