/* ============================================================
   LIN — Motion Director 个人网站
   手写零依赖样式。设计语言:编辑部式黑场 + 流体青瓷 + 焦橙信号色
   ============================================================ */

/* ---------- 字体 ---------- */
@font-face{
  font-family:'Syne';
  src:url('../fonts/syne.woff2') format('woff2');
  font-weight:700 800; font-display:swap;
}
@font-face{
  font-family:'Space Grotesk';
  src:url('../fonts/grotesk.woff2') format('woff2');
  font-weight:300 700; font-display:swap;
}
@font-face{
  font-family:'JetBrains Mono';
  src:url('../fonts/mono.woff2') format('woff2');
  font-weight:100 800; font-display:swap;
}

/* ---------- 设计变量 ---------- */
:root{
  --ink:#0b0c0c;            /* 近黑幕布 */
  --ink-2:#111313;          /* 抬升面 */
  --paper:#eef1ef;          /* 主文字 */
  --dim:#9aa3a0;            /* 次级文字 */
  --hair:#262a29;           /* 发丝线 */
  --jade:#5ff2d8;           /* 青瓷 — 流体主色 */
  --ember:#ff5533;          /* 焦橙 — 信号色 */
  --display:'Syne', 'Space Grotesk', sans-serif;
  --body:'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --mono:'JetBrains Mono', ui-monospace, 'SF Mono', monospace;
  --ease-out:cubic-bezier(.16,1,.3,1);       /* 长尾出弹 */
  --ease-io:cubic-bezier(.85,0,.15,1);       /* 幕布开合 */
  --pad:clamp(20px, 4vw, 64px);              /* 页边距(布局用,非字号) */
}

*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ background:var(--ink); }
html,body{ height:100%; }
body{
  font-family:var(--body);
  font-weight:400;
  color:var(--paper);
  background:var(--ink);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body[data-loading]{ overflow:hidden; }
body.modal-open{ overflow:hidden; }
img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
ul,ol{ list-style:none; }
::selection{ background:var(--jade); color:var(--ink); }

.mono{ font-family:var(--mono); font-size:12px; font-weight:400; }

/* 细滚动条 */
::-webkit-scrollbar{ width:10px; height:10px; }
::-webkit-scrollbar-thumb{ background:#2c3130; border-radius:5px; border:2px solid var(--ink); }
::-webkit-scrollbar-track{ background:var(--ink); }

:focus-visible{ outline:2px solid var(--jade); outline-offset:4px; }

/* ============================================================
   滚动架构:增强模式下 world 固定,由 JS 平滑位移;
   native 模式(触屏/窄屏/减弱动效)回退原生滚动
   ============================================================ */
#scrollSpacer{ width:1px; }
.world{
  position:fixed; top:0; left:0; width:100%;
  will-change:transform;
}
body.native #scrollSpacer{ display:none; }
body.native .world{ position:static; will-change:auto; }

/* ============================================================
   入场序幕
   ============================================================ */
.loader{
  position:fixed; inset:0; z-index:100;
  background:var(--ink);
  display:flex; flex-direction:column; justify-content:center;
  padding:var(--pad);
  clip-path:inset(0 0 0 0);
}
.loader.done{
  clip-path:inset(0 0 100% 0);
  transition:clip-path .9s var(--ease-io) .15s;
}
.loader.done .loader__row,
.loader.done .loader__bar,
.loader.done .loader__meta{ opacity:0; transition:opacity .3s ease; }
.loader.gone{ display:none; }
.loader__row{
  display:flex; align-items:baseline; justify-content:space-between;
}
.loader__word{
  font-family:var(--display); font-weight:800;
  font-size:88px; line-height:.9;
}
.loader__count{
  font-family:var(--mono); font-size:14px; color:var(--jade);
  font-variant-numeric:tabular-nums;
}
.loader__bar{
  margin-top:28px; height:2px; background:var(--hair);
  overflow:hidden; border-radius:1px;
}
.loader__bar i{
  display:block; height:100%; width:100%;
  background:var(--jade);
  transform:scaleX(0); transform-origin:left center;
}
.loader__meta{
  position:absolute; left:var(--pad); right:var(--pad); bottom:28px;
  display:flex; justify-content:space-between; gap:16px;
  font-family:var(--mono); font-size:11px; color:var(--dim);
}

/* ============================================================
   自定义光标(仅精确指针设备)
   ============================================================ */
.cursor{ display:none; }
@media (hover:hover) and (pointer:fine){
  .cursor{
    display:block; position:fixed; left:0; top:0; z-index:110;
    width:12px; height:12px; border-radius:50%;
    background:var(--jade);
    pointer-events:none;
    transform:translate(-100px,-100px);
    transition:width .25s var(--ease-out), height .25s var(--ease-out),
               background-color .25s ease, opacity .25s ease;
    will-change:transform;
  }
  .cursor.is-hover{ width:44px; height:44px; background:rgba(95,242,216,.16);
    border:1px solid rgba(95,242,216,.7); }
  .cursor.is-label{ width:76px; height:76px; background:var(--paper); border:0; }
  .cursor.is-down{ transform-origin:center; }
  .cursor__label{
    position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
    font-family:var(--mono); font-size:10px; color:var(--ink);
    text-align:center; line-height:1.3; padding:6px;
    opacity:0; transition:opacity .2s ease;
  }
  .cursor.is-label .cursor__label{ opacity:1; }
}

/* ============================================================
   胶片颗粒
   ============================================================ */
#grain{
  position:fixed; inset:0; z-index:64;
  width:100%; height:100%;
  pointer-events:none;
  opacity:.055;
  mix-blend-mode:overlay;
}

/* ============================================================
   顶栏
   ============================================================ */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:60;
  display:flex; align-items:center; justify-content:space-between;
  padding:22px var(--pad);
  mix-blend-mode:difference; color:#fff;
  transform:translateY(0);
  transition:transform .5s var(--ease-out);
}
.nav[data-hidden]{ transform:translateY(-110%); }
.nav__logo{
  font-family:var(--display); font-weight:800; font-size:22px; line-height:1;
}
.nav__logo sup{ font-size:9px; font-weight:400; vertical-align:super; }
.nav__links{ display:flex; gap:34px; }
.nav__links a{
  font-family:var(--mono); font-size:11px; position:relative; padding:4px 0;
}
.nav__links a em{
  font-style:normal; color:rgba(255,255,255,.5); margin-left:5px; font-size:10px;
}
.nav__links a::after{
  content:''; position:absolute; left:0; bottom:0; height:1px; width:100%;
  background:#fff; transform:scaleX(0); transform-origin:right center;
  transition:transform .45s var(--ease-out);
}
.nav__links a:hover::after{ transform:scaleX(1); transform-origin:left center; }
.nav__burger{ display:none; width:40px; height:40px; padding:8px; }
.nav__burger svg{ width:100%; height:100%; }
@media (max-width:899px){
  .nav__links{ display:none; }
  .nav__burger{ display:block; }
}

/* ============================================================
   全屏菜单(移动端)
   ============================================================ */
.menu{
  position:fixed; inset:0; z-index:70;
  background:var(--ink);
  display:flex; flex-direction:column; justify-content:center;
  padding:var(--pad);
  clip-path:inset(0 0 100% 0);
  visibility:hidden;
  transition:clip-path .7s var(--ease-io), visibility 0s linear .7s;
}
.menu.open{
  clip-path:inset(0 0 0 0); visibility:visible;
  transition:clip-path .7s var(--ease-io);
}
.menu__close{
  position:absolute; top:16px; right:var(--pad);
  width:44px; height:44px; padding:10px; color:var(--paper);
}
.menu__close svg{ width:100%; height:100%; }
.menu__links{ display:flex; flex-direction:column; gap:6px; }
.menu__links a{
  font-family:var(--display); font-weight:800; font-size:44px; line-height:1.15;
  display:flex; align-items:baseline; gap:14px;
  transform:translateY(40px); opacity:0;
  transition:transform .6s var(--ease-out), opacity .6s ease;
}
.menu.open .menu__links a{ transform:none; opacity:1; }
.menu.open .menu__links a:nth-child(1){ transition-delay:.10s }
.menu.open .menu__links a:nth-child(2){ transition-delay:.16s }
.menu.open .menu__links a:nth-child(3){ transition-delay:.22s }
.menu.open .menu__links a:nth-child(4){ transition-delay:.28s }
.menu.open .menu__links a:nth-child(5){ transition-delay:.34s }
.menu__links a span{ font-family:var(--mono); font-size:12px; font-weight:400; color:var(--jade); }
.menu__links a em{ font-style:normal; font-family:var(--body); font-weight:400; font-size:15px; color:var(--dim); }
@media (max-width:479px){
  .menu__links a{ font-size:30px; gap:10px; }
  .menu__links a em{ font-size:13px; }
}
.menu__foot{
  position:absolute; left:var(--pad); right:var(--pad); bottom:26px;
  display:flex; justify-content:space-between;
  font-family:var(--mono); font-size:11px; color:var(--dim);
}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative; min-height:100vh; min-height:100dvh;
  display:flex; flex-direction:column;
  overflow:hidden;
  background:
    radial-gradient(120% 90% at 82% 8%, rgba(95,242,216,.07), transparent 55%),
    radial-gradient(90% 70% at 12% 96%, rgba(255,85,51,.05), transparent 55%),
    var(--ink);
}
.hero__gl{
  position:absolute; inset:0; width:100%; height:100%;
  display:block;
}
.hero__inner{
  position:relative; z-index:2;
  flex:1; display:flex; flex-direction:column; justify-content:flex-end;
  padding:0 var(--pad) 34px;
  pointer-events:none;
}
.hero__inner a,.hero__inner button{ pointer-events:auto; }
.hero__eyebrow{
  display:flex; gap:18px; align-items:baseline;
  font-family:var(--mono); font-size:12px; color:var(--paper);
  margin-bottom:8px;
}
.hero__eyebrow .cn{ color:var(--dim); }
.hero__title{
  font-family:var(--display); font-weight:800;
  font-size:230px; line-height:.82;
  margin-left:-8px;
  user-select:none;
}
.hero__title .ch{
  display:inline-block; will-change:transform;
}
.hero__foot{
  margin-top:34px;
  display:flex; justify-content:space-between; align-items:flex-end; gap:24px;
}
.hero__tag{ font-size:17px; line-height:1.55; color:var(--paper); }
.hero__tag .cn{ color:var(--dim); }
.hero__meta{
  display:flex; flex-direction:column; align-items:flex-end; gap:6px;
  color:var(--dim);
}
.hero__meta .mono:first-child{ color:var(--ember); }
.hero__scrollcue{ margin-top:12px; color:var(--paper); }
@media (max-width:1279px){ .hero__title{ font-size:160px; } }
@media (max-width:899px){
  .hero__title{ font-size:96px; }
  .hero__foot{ flex-direction:column; align-items:flex-start; }
  .hero__meta{ align-items:flex-start; }
}
@media (max-width:479px){ .hero__title{ font-size:72px; } }

/* 行级揭示 */
.reveal-line{ overflow:hidden; }
.reveal-line > span{
  display:inline-block;
  transform:translateY(120%) rotate(1.2deg);
  opacity:0;
  transition:transform .9s var(--ease-out), opacity .6s ease;
}
.reveal-line.in > span{ transform:none; opacity:1; }

/* 标题切字 */
.split-word{ display:inline-block; overflow:hidden; vertical-align:top; }
.split-word .ch{
  display:inline-block;
  transform:translateY(115%) rotate(3deg);
  transition:transform .8s var(--ease-out);
}
.in .split-word .ch,
.split-done .split-word .ch{ transform:none; }

/* ============================================================
   跑马灯
   ============================================================ */
.marquee{
  border-top:1px solid var(--hair); border-bottom:1px solid var(--hair);
  padding:16px 0; overflow:hidden; background:var(--ink);
}
.marquee__track{
  display:flex; white-space:nowrap; width:max-content;
  font-family:var(--mono); font-size:13px; color:var(--dim);
  will-change:transform;
}

/* ============================================================
   作品 — 横向钉屏
   ============================================================ */
.works{ position:relative; background:var(--ink); }
.works__viewport{
  height:100vh; height:100dvh; overflow:hidden;
  display:flex; flex-direction:column; justify-content:center;
  will-change:transform;
}
.works__head{
  padding:0 var(--pad); margin-bottom:36px;
  display:flex; align-items:baseline; justify-content:space-between; gap:16px; flex-wrap:wrap;
}
.sec-title{
  font-family:var(--display); font-weight:800;
  font-size:64px; line-height:1;
}
@media (max-width:899px){ .sec-title{ font-size:40px; } }
.sec-sub{ color:var(--dim); }
.works__track{
  display:flex; gap:44px; align-items:stretch;
  padding:0 var(--pad);
  width:max-content;
  will-change:transform;
}
.film{
  width:560px; flex:none;
  position:relative;
  cursor:pointer;
}
.film__frame{
  aspect-ratio:16/10; overflow:hidden; border-radius:6px;
  background:var(--ink-2);
}
.film__frame img{
  width:100%; height:100%; object-fit:cover;
  transform:scale(1.02);
  transition:transform 1s var(--ease-out), filter .6s ease;
  will-change:transform;
  filter:saturate(.92);
}
.film:hover .film__frame img,
.film:focus-visible .film__frame img{ transform:scale(1.08); filter:saturate(1.05); }
.film__meta{
  display:grid; grid-template-columns:auto 1fr auto; align-items:baseline; gap:16px;
  padding-top:14px;
}
.film__idx{ color:var(--jade); }
.film__title{
  font-family:var(--display); font-weight:700; font-size:26px; line-height:1.05;
}
.film__title em{
  font-style:normal; font-family:var(--body); font-weight:400;
  font-size:14px; color:var(--dim); margin-left:10px;
}
.film__info{ color:var(--dim); }
@media (max-width:899px){
  .film{ width:76vw; }
  .film__title{ font-size:20px; }
  .works__track{ gap:24px; }
}
.works__end{
  flex:none; width:38vw; display:flex; flex-direction:column;
  align-items:center; justify-content:center; gap:8px;
  color:var(--dim);
}
.works__end span:first-child{ color:var(--ember); font-size:20px; }
.works__progress{
  margin:36px var(--pad) 0; height:2px; background:var(--hair); border-radius:1px; overflow:hidden;
}
.works__progress i{
  display:block; height:100%; width:100%;
  background:var(--jade);
  transform:scaleX(0); transform-origin:left center;
}
/* native 回退:横向原生滚动 */
body.native .works__viewport{ height:auto; padding:80px 0; }
body.native .works__track{
  overflow-x:auto; width:auto;
  scroll-snap-type:x mandatory;
  padding-bottom:12px;
}
body.native .works__track > *{ scroll-snap-align:center; }
body.native .works__progress{ display:none; }

/* ============================================================
   REEL
   ============================================================ */
.reel{
  position:relative; min-height:92vh;
  display:flex; align-items:center; justify-content:center;
  overflow:hidden;
}
.reel__cover{ position:absolute; inset:-8% 0; }
.reel__cover img{
  width:100%; height:100%; object-fit:cover;
  will-change:transform;
}
.reel__cover::after{
  content:''; position:absolute; inset:0;
  background:rgba(8,9,9,.58);
}
.reel__inner{
  position:relative; z-index:2; text-align:center;
  display:flex; flex-direction:column; align-items:center; gap:26px;
  padding:120px var(--pad);
}
.reel__title{
  font-family:var(--display); font-weight:800; font-size:110px; line-height:.95;
}
@media (max-width:1279px){ .reel__title{ font-size:72px; } }
@media (max-width:899px){ .reel__title{ font-size:44px; } }
.reel__play{
  width:96px; height:96px; border-radius:50%;
  border:1px solid rgba(238,241,239,.6);
  display:flex; align-items:center; justify-content:center;
  color:var(--paper);
  transition:background-color .4s ease, color .4s ease, transform .4s var(--ease-out);
}
.reel__play svg{ width:26px; height:26px; margin-left:4px; }
.reel__play:hover{ background:var(--paper); color:var(--ink); transform:scale(1.08); }
.reel__meta{ color:rgba(238,241,239,.75); }

/* ============================================================
   ABOUT
   ============================================================ */
.about{ padding:140px 0; background:var(--ink); }
.about__grid{
  display:grid; grid-template-columns:5fr 7fr; gap:64px;
  padding:0 var(--pad); align-items:start;
}
@media (max-width:899px){ .about__grid{ grid-template-columns:1fr; gap:44px; } }
.about__portrait{ position:relative; overflow:hidden; border-radius:6px; }
.about__portrait img{ width:100%; will-change:transform; transform:scale(1.06); }
.about__portrait figcaption{
  position:absolute; left:14px; bottom:12px;
  font-family:var(--mono); font-size:11px; color:rgba(238,241,239,.85);
  background:rgba(11,12,12,.5); padding:6px 10px; border-radius:4px;
  backdrop-filter:blur(6px);
}
.about__body .sec-title{ margin-bottom:34px; }
.about__lede{
  font-family:var(--display); font-weight:700; font-size:34px; line-height:1.3;
  margin-bottom:26px;
}
@media (max-width:899px){ .about__lede{ font-size:24px; } }
.about__text{ font-size:16px; line-height:1.8; color:var(--dim); margin-bottom:18px; max-width:60ch; }
.about__text span{ display:inline-block; }
.about__stats{
  margin-top:44px;
  display:grid; grid-template-columns:repeat(4, 1fr); gap:20px;
  border-top:1px solid var(--hair); padding-top:28px;
}
@media (max-width:599px){ .about__stats{ grid-template-columns:repeat(2, 1fr); row-gap:30px; } }
.about__stats b{
  display:block; font-size:44px; font-weight:500; color:var(--jade);
  font-variant-numeric:tabular-nums; line-height:1;
}
.about__stats span{
  display:block; margin-top:10px; font-family:var(--mono); font-size:11px; color:var(--dim);
}
.about__stats em{ font-style:normal; margin-left:6px; }

/* ============================================================
   底片墙
   ============================================================ */
.wall{
  position:relative; height:112vh; overflow:hidden;
  background:var(--ink-2);
}
.wall{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; padding:0 18px; }
.wall__col{
  display:flex; flex-direction:column; gap:18px;
  will-change:transform;
  margin-top:-14vh;
}
.wall__col img{ border-radius:6px; opacity:.82; }
.wall__label{
  position:absolute; left:50%; top:50%; transform:translate(-50%,-50%);
  z-index:2; color:var(--paper);
  background:rgba(11,12,12,.66); padding:12px 18px; border-radius:6px;
  backdrop-filter:blur(8px);
}
@media (max-width:899px){
  .wall{ height:80vh; grid-template-columns:repeat(2,1fr); }
  .wall__col:nth-child(3){ display:none; }
}

/* ============================================================
   CRAFT
   ============================================================ */
.craft{ position:relative; padding:140px 0 120px; }
.craft__head{
  padding:0 var(--pad); margin-bottom:40px;
  display:flex; align-items:baseline; justify-content:space-between; gap:16px; flex-wrap:wrap;
}
.craft__list{ border-top:1px solid var(--hair); }
.craft__row{
  display:grid; grid-template-columns:64px 1fr 1.1fr; align-items:baseline; gap:24px;
  padding:34px var(--pad);
  border-bottom:1px solid var(--hair);
  cursor:pointer; position:relative;
  transition:background-color .35s ease;
}
.craft__row:hover{ background:rgba(95,242,216,.04); }
.craft__idx{ color:var(--ember); }
.craft__row h3{
  font-family:var(--display); font-weight:700; font-size:40px; line-height:1.05;
  transition:transform .5s var(--ease-out);
}
.craft__row:hover h3{ transform:translateX(14px); }
.craft__row h3 em{
  font-style:normal; font-family:var(--body); font-weight:400;
  font-size:15px; color:var(--dim); margin-left:12px;
}
.craft__row p{ color:var(--dim); font-size:15px; line-height:1.7; }
@media (max-width:899px){
  .craft__row{ grid-template-columns:44px 1fr; }
  .craft__row p{ grid-column:2; }
  .craft__row h3{ font-size:26px; }
}
.craft__preview{
  position:fixed; left:0; top:0; z-index:40;
  width:320px; aspect-ratio:16/10; border-radius:6px; overflow:hidden;
  pointer-events:none;
  opacity:0; transform:scale(.86);
  transition:opacity .35s ease, transform .45s var(--ease-out);
  box-shadow:0 24px 60px rgba(0,0,0,.5);
}
.craft__preview.on{ opacity:1; transform:scale(1); }
.craft__preview img{ width:100%; height:100%; object-fit:cover; }
@media (hover:none), (max-width:899px){ .craft__preview{ display:none; } }

/* ============================================================
   履历
   ============================================================ */
.honors{ padding:20px 0 140px; }
.honors .sec-title{ padding:0 var(--pad); margin-bottom:36px; }
.honors__list{ border-top:1px solid var(--hair); }
.honors__row{
  display:grid; grid-template-columns:90px 1fr auto; gap:20px; align-items:baseline;
  padding:20px var(--pad); border-bottom:1px solid var(--hair);
  transition:background-color .3s ease, padding-left .4s var(--ease-out);
}
.honors__row:hover{ background:rgba(255,85,51,.05); }
.honors__row .mono{ color:var(--ember); }
.honors__row b{ font-weight:500; font-size:17px; }
.honors__row span:last-child{ color:var(--dim); font-size:14px; }
@media (max-width:599px){
  .honors__row{ grid-template-columns:64px 1fr; }
  .honors__row span:last-child{ grid-column:2; }
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact{
  position:relative; min-height:92vh;
  display:flex; flex-direction:column; justify-content:center; align-items:center;
  text-align:center; gap:22px;
  padding:120px var(--pad) 0;
  background:
    radial-gradient(70% 55% at 50% 108%, rgba(95,242,216,.1), transparent 60%),
    var(--ink);
}
.contact__cue{ color:var(--ember); }
.contact__title{
  font-family:var(--display); font-weight:800;
  font-size:120px; line-height:.95;
}
@media (max-width:1279px){ .contact__title{ font-size:80px; } }
@media (max-width:899px){ .contact__title{ font-size:52px; } }
@media (max-width:479px){ .contact__title{ font-size:40px; } }
.contact__cn{ color:var(--dim); font-size:16px; }
.contact__mail{
  margin-top:16px;
  display:inline-flex; align-items:center; gap:12px;
  font-family:var(--display); font-weight:700; font-size:30px;
  border-bottom:2px solid var(--jade); padding-bottom:6px;
  transition:color .3s ease;
}
.contact__mail:hover{ color:var(--jade); }
.contact__mail svg{ width:22px; height:22px; transition:transform .4s var(--ease-out); }
.contact__mail:hover svg{ transform:translate(4px,-4px); }
@media (max-width:899px){ .contact__mail{ font-size:20px; } }
.footer{
  margin-top:110px; width:100%;
  display:flex; justify-content:space-between; align-items:center; gap:14px; flex-wrap:wrap;
  border-top:1px solid var(--hair);
  padding:22px 0 26px; color:var(--dim);
}
.footer__social{ display:flex; gap:22px; }
.footer__social a{
  font-family:var(--mono); font-size:11px; position:relative; padding:2px 0;
}
.footer__social a::after{
  content:''; position:absolute; left:0; bottom:0; height:1px; width:100%;
  background:var(--jade); transform:scaleX(0); transform-origin:right center;
  transition:transform .4s var(--ease-out);
}
.footer__social a:hover::after{ transform:scaleX(1); transform-origin:left center; }

/* ============================================================
   影片档案弹层
   ============================================================ */
.case{ position:fixed; inset:0; z-index:80; visibility:hidden; }
.case.open{ visibility:visible; }
.case__backdrop{
  position:absolute; inset:0; background:rgba(5,6,6,.72);
  opacity:0; transition:opacity .45s ease;
  backdrop-filter:blur(4px);
}
.case.open .case__backdrop{ opacity:1; }
.case__sheet{
  position:absolute; right:0; top:0; bottom:0;
  width:min(720px, 100%);
  background:var(--ink-2);
  border-left:1px solid var(--hair);
  overflow-y:auto;
  transform:translateX(102%);
  transition:transform .6s var(--ease-io);
}
.case.open .case__sheet{ transform:none; }
.case__close{
  position:absolute; z-index:3; top:14px; right:14px;
  width:44px; height:44px; padding:10px;
  background:rgba(11,12,12,.55); border-radius:50%;
  backdrop-filter:blur(6px);
  transition:transform .3s var(--ease-out), background-color .3s ease;
}
.case__close:hover{ transform:rotate(90deg); background:var(--ember); }
.case__close svg{ width:100%; height:100%; }
.case__frame{ position:relative; aspect-ratio:16/9; overflow:hidden; }
.case__frame img{ width:100%; height:100%; object-fit:cover; }
.case__frame::after{
  content:''; position:absolute; inset:0;
  background:linear-gradient(to top, rgba(17,19,19,1), transparent 34%);
}
.case__tc{
  position:absolute; left:16px; bottom:12px; z-index:2; color:var(--jade);
  font-variant-numeric:tabular-nums;
}
.case__body{ padding:30px 34px 48px; }
.case__badge{ color:var(--ember); margin-bottom:14px; }
.case__title{
  font-family:var(--display); font-weight:800; font-size:52px; line-height:1;
  margin-bottom:20px;
}
@media (max-width:599px){ .case__title{ font-size:34px; } }
.case__log{ color:var(--dim); font-size:16px; line-height:1.8; margin-bottom:30px; }
.case__credits{
  display:grid; grid-template-columns:auto 1fr; gap:10px 26px;
  border-top:1px solid var(--hair); padding-top:22px;
  font-size:12px;
}
.case__credits dt{ color:var(--dim); }
.case__credits dd{ color:var(--paper); }

/* ============================================================
   影带播放弹层
   ============================================================ */
.player{
  position:fixed; inset:0; z-index:90;
  background:#050606;
  display:flex; align-items:center; justify-content:center;
  visibility:hidden; opacity:0;
  transition:opacity .5s ease, visibility 0s linear .5s;
}
.player.open{ visibility:visible; opacity:1; transition:opacity .5s ease; }
.player__close{
  position:absolute; top:18px; right:18px; z-index:3;
  width:48px; height:48px; padding:12px;
  border:1px solid var(--hair); border-radius:50%;
  transition:transform .3s var(--ease-out), background-color .3s ease;
}
.player__close:hover{ transform:rotate(90deg); background:var(--ember); border-color:var(--ember); }
.player__close svg{ width:100%; height:100%; }
.player__stage{
  position:relative; width:min(1200px, 92vw); aspect-ratio:16/9;
  overflow:hidden; border-radius:6px; background:var(--ink-2);
}
.player__stage img{
  width:100%; height:100%; object-fit:cover;
}
.player.open .player__stage img{ animation:kenburns 14s ease-in-out infinite alternate; }
@keyframes kenburns{
  from{ transform:scale(1) translateX(0); }
  to{ transform:scale(1.12) translateX(-2.5%); }
}
.player__scan{
  position:absolute; inset:0; pointer-events:none;
  background:repeating-linear-gradient(to bottom, rgba(255,255,255,.03) 0 1px, transparent 1px 3px);
  mix-blend-mode:overlay;
}
.player__hud{
  position:absolute; left:0; right:0; bottom:0;
  display:flex; justify-content:space-between;
  padding:14px 18px;
  color:rgba(238,241,239,.9);
  background:linear-gradient(to top, rgba(5,6,6,.7), transparent);
  font-variant-numeric:tabular-nums;
}

/* ============================================================
   减弱动效
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important; animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
  .reveal-line > span,.split-word .ch{ transform:none !important; opacity:1 !important; }
  #grain{ display:none; }
}