:root{--yellow:#f0d91a;--black:#0a0a0a;--paper:#f5f4ef;--white:#fff;--grey:#777770;--line:rgba(10,10,10,.16)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--black);font-family:Inter,"Noto Sans SC",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit}.site-header{position:fixed;top:0;left:0;width:100%;height:70px;padding:0 3vw;display:flex;align-items:center;justify-content:space-between;z-index:40;color:#fff;background:linear-gradient(to bottom,rgba(0,0,0,.42),transparent)}.brand{text-decoration:none;font-size:21px;font-weight:800;letter-spacing:-.04em}.brand span{color:var(--yellow)}.desktop-nav{display:flex;gap:26px}.desktop-nav a{color:inherit;text-decoration:none;font-size:12px;letter-spacing:.04em}.desktop-nav a:hover{color:var(--yellow)}.menu-btn{display:none;background:none;border:0;color:inherit;font:inherit}.mobile-menu{display:none}.hero{min-height:100svh;position:relative;overflow:hidden;background:#000;color:#fff}.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.72) contrast(1.05)}.hero-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.28),rgba(0,0,0,.72))}.hero-content{position:relative;z-index:2;min-height:100svh;padding:18vh 3vw 5vh;display:flex;flex-direction:column;justify-content:space-between}.eyebrow,.section-label span{font-size:11px;letter-spacing:.15em}.hero h1{margin:0;max-width:1250px;font-size:clamp(48px,8.6vw,132px);line-height:.96;letter-spacing:-.065em;font-weight:800}.hero h1 span{color:var(--yellow)}.hero-bottom{display:flex;justify-content:space-between;align-items:end;gap:30px}.hero-bottom>p{max-width:550px;font-size:14px;line-height:1.7}.hero-actions{display:flex;gap:12px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;text-decoration:none;font-size:13px;border:1px solid rgba(255,255,255,.65)}.button-primary{background:var(--yellow);border-color:var(--yellow);color:#000}.button-ghost{color:#fff}.button:hover{transform:translateY(-2px)}.section{padding:120px 3vw}.section-label{display:flex;gap:12px;align-items:center}.section-label strong{font-size:15px}.section-label span{color:#83837d}.manifesto{min-height:85vh}.manifesto-copy{font-size:clamp(38px,5.7vw,88px);line-height:1.15;letter-spacing:-.05em;margin:70px 0}.manifesto-copy span{color:#7f7f79}.manifesto-grid{display:grid;grid-template-columns:1fr 1fr;gap:8vw;margin-left:36%;font-size:16px;line-height:1.9}.black{background:var(--black);color:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:62px;border-top:1px solid var(--line);padding-top:18px}.section-head.light{border-color:rgba(255,255,255,.2)}.section-head h2{font-size:clamp(38px,5.4vw,78px);letter-spacing:-.055em;line-height:1.03;margin:28px 0 0}.section-head>p{max-width:430px;font-size:13px;line-height:1.7;color:#777}.section-head.light>p{color:#aaa}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid rgba(255,255,255,.2);border-left:1px solid rgba(255,255,255,.2)}.service-card{min-height:270px;padding:28px;border-right:1px solid rgba(255,255,255,.2);border-bottom:1px solid rgba(255,255,255,.2);display:flex;flex-direction:column}.service-card>span{font-size:11px;color:#888}.service-card h3{font-size:34px;letter-spacing:-.04em;margin:auto 0 6px}.service-card small{font-size:10px;letter-spacing:.13em;color:var(--yellow)}.service-card p{font-size:13px;color:#aaa;margin-top:25px}.event-feature{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(320px,.75fr);gap:42px;align-items:center;margin-bottom:110px;cursor:pointer}.event-feature.reverse{grid-template-columns:minmax(320px,.75fr) minmax(0,1.5fr)}.event-feature.reverse .event-media{order:2}.event-media{position:relative;aspect-ratio:16/9;background:#111;overflow:hidden}.event-media video{width:100%;height:100%;object-fit:cover}.event-media.contain video{object-fit:contain}.play-tip{position:absolute;left:18px;bottom:18px;background:rgba(0,0,0,.7);color:#fff;padding:10px 12px;font-size:12px}.event-copy h3{font-size:clamp(36px,5vw,72px);line-height:1.02;letter-spacing:-.05em;margin:22px 0}.event-copy p{font-size:15px;line-height:1.8;color:#65655f}.tag-cn{font-size:13px;font-weight:700}.tag-cn small{font-size:10px;letter-spacing:.13em;color:#777;margin-left:8px}.text-link{display:inline-block;margin-top:20px;font-size:13px;font-weight:600}.category-head{border-top:1px solid var(--line);padding-top:18px;margin:110px 0 36px;display:flex;justify-content:space-between;align-items:end}.category-head h3{font-size:30px;margin:0 0 8px}.category-head span{font-size:10px;letter-spacing:.14em;color:#777}.category-head p{max-width:480px;color:#777;font-size:13px;line-height:1.7}.portrait-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.video-card{cursor:pointer}.portrait-media{position:relative;aspect-ratio:9/16;background:#0e0e0e;overflow:hidden}.portrait-media video{width:100%;height:100%;object-fit:contain;background:#0e0e0e;transition:transform .5s ease}.video-card:hover video{transform:scale(1.015)}.play-icon{position:absolute;right:14px;bottom:14px;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.92);font-size:13px}.video-info{padding-top:15px}.video-info>span{font-size:11px;color:#777}.video-info h4{font-size:21px;letter-spacing:-.025em;margin:8px 0}.video-info p{font-size:13px;color:#777;line-height:1.6}.identity-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px 24px}.identity-card{text-decoration:none}.identity-card:nth-child(even){margin-top:100px}.identity-card img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;transition:transform .5s ease}.identity-card:hover img{transform:translateY(-6px)}.identity-card>div{display:grid;grid-template-columns:38px 1fr;gap:10px;margin-top:18px}.identity-card>div>span{font-size:10px}.identity-card h3{font-size:30px;letter-spacing:-.035em;margin:0}.identity-card p{grid-column:2;margin:0;color:#777;font-size:12px}.light-label span{color:#888}.about-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:9vw;margin-top:70px}.about-grid h2{font-size:clamp(42px,6vw,88px);line-height:1.06;letter-spacing:-.055em;margin:0}.about-copy{font-size:16px;line-height:1.9;color:#b5b5af}.contact{min-height:78vh;display:flex;flex-direction:column;justify-content:space-between}.contact h2{font-size:clamp(48px,8vw,120px);line-height:.96;letter-spacing:-.06em;margin:90px 0}.contact h2 span{color:#777}.contact-bottom{display:grid;grid-template-columns:1fr 1fr auto;gap:30px;border-top:1px solid var(--line);padding-top:20px;font-size:13px;line-height:1.7}.video-modal{position:fixed;inset:0;background:rgba(0,0,0,.97);z-index:100;display:none;align-items:center;justify-content:center;padding:5vw}.video-modal.open{display:flex}.video-modal video{width:auto;height:auto;max-width:94vw;max-height:88vh;background:#000}.modal-close{position:absolute;top:22px;right:3vw;background:transparent;color:#fff;border:1px solid rgba(255,255,255,.4);padding:10px 14px;font:inherit;font-size:12px}.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease}.reveal.in{opacity:1;transform:none}
@media(max-width:980px){.desktop-nav{display:none}.menu-btn{display:block}.service-grid{grid-template-columns:repeat(2,1fr)}.portrait-grid{grid-template-columns:repeat(2,1fr)}.event-feature,.event-feature.reverse{grid-template-columns:1fr}.event-feature.reverse .event-media{order:0}.manifesto-grid{margin-left:20%}.mobile-menu{position:fixed;inset:0;background:#0a0a0a;color:#fff;z-index:80;padding:90px 24px 30px;flex-direction:column;gap:18px}.mobile-menu.open{display:flex}.mobile-menu a{font-size:32px;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.18);padding:14px 0}.mobile-close{position:absolute;top:22px;right:22px;background:none;border:0;color:#fff;font:inherit}}
@media(max-width:700px){.site-header{height:62px;padding:0 20px}.section{padding:82px 20px}.hero-content{padding:18vh 20px 26px}.hero h1{font-size:13.5vw}.hero-bottom{display:block}.hero-actions{margin-top:24px;display:grid}.manifesto-copy{font-size:10.7vw;margin:48px 0}.manifesto-grid{grid-template-columns:1fr;margin-left:0;gap:8px}.section-head{display:block}.section-head>p{margin-top:22px}.service-grid{grid-template-columns:1fr}.service-card{min-height:220px}.event-feature{gap:25px;margin-bottom:80px}.event-media{aspect-ratio:4/3}.event-copy h3{font-size:10vw}.category-head{display:block;margin-top:80px}.category-head p{margin-top:14px}.portrait-grid{grid-template-columns:1fr 1fr;gap:34px 12px}.video-info h4{font-size:17px}.video-info p{display:none}.identity-grid{grid-template-columns:1fr;gap:58px}.identity-card:nth-child(even){margin-top:0}.identity-card h3{font-size:24px}.about-grid{grid-template-columns:1fr;gap:35px}.contact-bottom{grid-template-columns:1fr}.video-modal{padding:70px 10px 20px}.video-modal video{max-width:100%;max-height:82vh}}

/* V3.1 联系方式二维码 */
.contact-intro{max-width:620px;margin:-42px 0 64px;font-size:15px;line-height:1.8;color:#6f6f69}.connect-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:88px}.connect-group{border-top:1px solid var(--line);padding-top:20px}.connect-heading{display:grid;grid-template-columns:34px 1fr;gap:14px;align-items:start;margin-bottom:28px}.connect-heading>span{font-size:10px;color:#777}.connect-heading h3{margin:0;font-size:27px;letter-spacing:-.035em}.connect-heading p{margin:8px 0 0;color:#777;font-size:12px;line-height:1.65}.qr-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.qr-card{margin:0;padding:14px;background:#fff;border:1px solid rgba(10,10,10,.1);transition:transform .35s ease,box-shadow .35s ease}.qr-card:hover{transform:translateY(-5px);box-shadow:0 16px 40px rgba(0,0,0,.08)}.qr-image{aspect-ratio:1/1;overflow:hidden;background:#f0efe9;display:grid;place-items:center}.qr-image img{width:100%;height:100%;object-fit:contain;transition:transform .35s ease}.qr-card:hover .qr-image img{transform:scale(1.025)}.qr-card figcaption{display:flex;justify-content:space-between;align-items:end;gap:10px;padding:13px 2px 2px}.qr-card figcaption strong{font-size:14px}.qr-card figcaption span{font-size:10px;color:#777;text-align:right}.contact .contact-bottom{margin-top:0}
@media(max-width:900px){.connect-grid{grid-template-columns:1fr;gap:58px}.contact-intro{margin-top:-25px}}
@media(max-width:700px){.contact-intro{margin:0 0 45px}.connect-heading h3{font-size:24px}.qr-grid{gap:10px}.qr-card{padding:8px}.qr-card figcaption{display:block}.qr-card figcaption strong,.qr-card figcaption span{display:block}.qr-card figcaption span{margin-top:5px;text-align:left}.connect-grid{margin-bottom:65px}}

/* V3.3 二维码尺寸优化：仅缩小二维码与卡片，保留原文字和结构 */
.qr-grid{
  grid-template-columns:repeat(2, minmax(0, 164px));
  gap:20px;
  align-items:start;
}
.qr-card{
  width:164px;
  padding:10px;
}
.qr-image{
  width:144px;
  height:144px;
  aspect-ratio:auto;
}
.qr-image img{
  width:100%;
  height:100%;
  object-fit:contain;
}
.qr-card:hover{
  transform:translateY(-3px);
}
.qr-card:hover .qr-image img{
  transform:scale(1.03);
}
@media(max-width:700px){
  .qr-grid{
    grid-template-columns:repeat(2, minmax(0, 142px));
    gap:12px;
  }
  .qr-card{
    width:142px;
    padding:8px;
  }
  .qr-image{
    width:124px;
    height:124px;
  }
}