@font-face{font-family:"Inter Tight";src:url("fonts/inter-tight-latin-wght-normal.woff2") format("woff2-variations");font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url("fonts/jetbrains-mono-latin-400-normal.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}

:root{
  --paper:#F2EFE7;
  --ink:#0C0C0D;
  --ink-2:#3A3833;
  --mute:#8A857A;
  --accent:#FF3B00;
  --sans:"Inter Tight",-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --pad:clamp(18px,4.2vw,64px);
  --ease:cubic-bezier(.16,1,.3,1);
  --stroke:clamp(1.6px,.42vw,5px);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
::selection{background:var(--accent);color:var(--paper)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

body::after{
  content:"";position:fixed;inset:0;z-index:80;pointer-events:none;opacity:.2;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.3'/%3E%3C/svg%3E");
}

/* 反色镜 */
.lens{
  position:fixed;left:0;top:0;width:230px;height:230px;border-radius:50%;
  background:#fff;mix-blend-mode:difference;pointer-events:none;z-index:90;
  transform:translate3d(-50%,-50%,0);opacity:0;
  transition:opacity .35s,width .4s var(--ease),height .4s var(--ease);will-change:transform;
}
.lens.on{opacity:1}
.lens.big{width:110px;height:110px}

/* 顶栏（跟着首屏滚走，不做固定条） */
.bar{
  position:absolute;top:0;left:0;right:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px var(--pad);
  font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-2);
}
.bar .mid,.bar .clock{color:var(--mute)}
.bar .clock{font-variant-numeric:tabular-nums}

/* 首屏 */
.hero{
  position:relative;min-height:100svh;display:flex;flex-direction:column;
  padding:clamp(70px,9vh,104px) var(--pad) clamp(22px,4vh,40px);
  overflow:hidden;
}
.poster{
  flex:1;display:flex;flex-direction:column;justify-content:center;
  font-weight:800;letter-spacing:-.05em;
  font-size:clamp(3.6rem,20.4vw,19.5rem);
  margin:0;
}
.poster .l{display:block;line-height:.92;will-change:transform}
.poster .l1{white-space:nowrap}
.poster .out{color:transparent;-webkit-text-stroke:var(--stroke) var(--ink)}
@supports not (-webkit-text-stroke:1px #000){.poster .out{color:var(--ink)}}
.poster .l2{
  font-size:.2em;font-weight:700;line-height:1;letter-spacing:.24em;
  margin:.34em 0 .3em .34em;
}
.poster .l3{color:var(--accent);text-align:right;letter-spacing:-.055em;padding-right:.03em}

.hero-bottom{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap;margin-top:clamp(24px,4vh,44px)}
.lede{margin:0;max-width:27em;font-size:clamp(13.5px,1.15vw,15px);line-height:1.9;color:var(--ink-2)}
.lede b{font-weight:700;color:var(--ink)}
.jump{display:inline-flex;align-items:center;gap:12px;font-family:var(--mono);font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-2)}
.jump i{display:block;width:46px;height:1px;background:currentColor;transition:width .5s var(--ease)}
.jump:hover{color:var(--accent)}
.jump:hover i{width:72px}

/* 旋转徽标 */
.badge{
  position:absolute;right:var(--pad);top:clamp(96px,20vh,210px);
  width:clamp(104px,10.5vw,150px);height:clamp(104px,10.5vw,150px);
  animation:spin 30s linear infinite;
}
.badge svg{width:100%;height:100%;overflow:visible}
.badge text{font-family:var(--mono);font-size:11px;letter-spacing:.26em;fill:var(--ink)}
.badge b{
  position:absolute;inset:0;display:grid;place-items:center;
  font-family:var(--sans);font-size:clamp(20px,2.2vw,30px);font-weight:800;letter-spacing:-.02em;
  color:var(--accent);
}
@keyframes spin{to{transform:rotate(360deg)}}

/* 滚动字带 */
.band{background:var(--ink);color:var(--paper);overflow:hidden;padding:clamp(8px,1.4vh,16px) 0}
.band .row{overflow:hidden}
.band .track{display:flex;width:max-content;animation:mv 34s linear infinite}
.band .r2 .track{animation-duration:46s;animation-direction:reverse}
.band .row:hover .track{animation-play-state:paused}
.band span{
  display:block;font-size:clamp(32px,7vw,98px);font-weight:800;line-height:1.06;
  letter-spacing:-.035em;padding:0 .28em;white-space:nowrap;
}
.band .o{color:transparent;-webkit-text-stroke:1.4px var(--paper)}
@supports not (-webkit-text-stroke:1px #000){.band .o{color:var(--paper)}}
.band .hot{color:var(--accent)}
@keyframes mv{to{transform:translateX(-50%)}}

/* 区块 */
.sec{padding:clamp(56px,9vh,110px) var(--pad) clamp(64px,10vh,120px)}
.sec-label{
  display:flex;align-items:center;gap:16px;
  font-family:var(--mono);font-size:9.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--mute);
  margin-bottom:clamp(22px,3.5vh,40px);
}
.sec-label i{flex:1;height:1px;background:rgba(12,12,13,.16)}

.item{
  display:grid;grid-template-columns:56px minmax(0,1fr) auto;gap:clamp(12px,2vw,26px);
  align-items:baseline;padding:clamp(15px,2.2vh,22px) 14px;margin:0 -14px;
  border-top:1px solid rgba(12,12,13,.15);
  transition:background .3s var(--ease),padding-left .3s var(--ease);
}
.item:last-child{border-bottom:1px solid rgba(12,12,13,.15)}
.item .n{font-family:var(--mono);font-size:10px;letter-spacing:.16em;opacity:.5}
.item .t{font-size:clamp(17px,2.35vw,31px);font-weight:700;letter-spacing:-.025em;line-height:1.22}
.item .m{font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;opacity:.45;white-space:nowrap}
.item:hover{background:var(--ink);color:var(--paper);padding-left:22px}
.item:hover .n,.item:hover .m{opacity:.7}
.item:hover .t{color:var(--paper)}

/* 页脚 */
.ft{background:var(--ink);color:var(--paper);padding:clamp(48px,8vh,92px) var(--pad) 26px}
.ft .sec-label{color:rgba(242,239,231,.5)}
.ft .sec-label i{background:rgba(242,239,231,.22)}
.mail{
  display:block;font-weight:800;letter-spacing:-.05em;line-height:.96;
  font-size:clamp(1.75rem,6.4vw,5.4rem);color:var(--paper);
  transition:color .4s var(--ease);word-break:break-word;
}
.mail:hover{color:var(--accent)}
.ft-bot{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:clamp(40px,7vh,84px);padding-top:16px;border-top:1px solid rgba(242,239,231,.16);
  font-family:var(--mono);font-size:9px;letter-spacing:.18em;text-transform:uppercase;color:rgba(242,239,231,.45);
}

/* 入场 */
.js .rv{opacity:0;transform:translateY(24px)}
.js .rv.in{opacity:1;transform:none;transition:opacity .85s var(--ease),transform .85s var(--ease);transition-delay:var(--d,0ms)}
.js .poster .l{opacity:0;clip-path:inset(0 0 105% 0);transform:translateY(.1em)}
.js .poster.in .l{opacity:1;clip-path:inset(0 0 -12% 0);transform:none;
  transition:opacity .7s var(--ease),clip-path 1s var(--ease),transform 1s var(--ease)}
.js .poster.in .l1{transition-delay:.04s}
.js .poster.in .l2{transition-delay:.16s}
.js .poster.in .l3{transition-delay:.26s}

/* 左侧竖排标注 */
.side{
  position:absolute;left:calc(var(--pad) - 4px);top:46%;z-index:5;
  writing-mode:vertical-rl;transform:rotate(180deg);
  font-family:var(--mono);font-size:8.5px;letter-spacing:.38em;text-transform:uppercase;color:var(--mute);
}
@media(max-width:820px){
  :root{--stroke:2.4px}
  .badge,.side{display:none}
  .lens{display:none}
  .poster{font-size:25vw;justify-content:flex-start;padding-top:13vh}
  .poster .l2{font-size:.19em;letter-spacing:.2em}
  .item{grid-template-columns:34px minmax(0,1fr);gap:8px}
  .item .m{grid-column:2;margin-top:6px}
  .item:hover{padding-left:14px}
  .band span{font-size:10.5vw}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .rv,.js .poster .l{opacity:1;transform:none;clip-path:none}
  html{scroll-behavior:auto}
}