:root{
  --bg:#08111b;
  --bg-soft:#101a27;
  --panel:#142131;
  --panel-2:#1c2e43;
  --line:rgba(255,255,255,.12);
  --line-strong:rgba(255,255,255,.2);
  --text:#f4f8fc;
  --muted:#aebed0;
  --blue:#56b7ff;
  --teal:#5ce5ff;
  --gold:#ffcc68;
  --lime:#9be777;
  --shadow:0 28px 90px rgba(0,0,0,.34);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--text);
  font-family:"Inter","Noto Sans SC",system-ui,sans-serif;
  background:
    linear-gradient(180deg, rgba(5,10,17,.98), rgba(8,14,22,.98)),
    radial-gradient(circle at 12% 0%, rgba(86,183,255,.16), transparent 32%),
    radial-gradient(circle at 100% 10%, rgba(255,204,104,.08), transparent 26%),
    #09111a;
  overflow-x:hidden;
}
button,a,input,textarea,select{font:inherit}
button{border:0;cursor:pointer}
a{text-decoration:none;color:inherit}
.noise,.scene-grid{pointer-events:none;position:fixed;inset:0;z-index:0}
.noise{
  opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.scene-grid{
  opacity:.12;
  background:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size:40px 40px;
  mask-image:linear-gradient(#000, transparent 86%);
}
.glass{
  background:linear-gradient(180deg, rgba(20,33,49,.88), rgba(11,18,28,.9));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  backdrop-filter:blur(16px);
}
.topbar{
  position:sticky;top:0;z-index:30;
  display:flex;align-items:center;gap:18px;
  padding:18px 24px;
  background:rgba(7,12,20,.84);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
}
.brand{display:flex;align-items:center;gap:12px;min-width:260px}
.brand-mark{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--blue),var(--teal));
  color:#09111a;font-weight:900
}
.brand strong{display:block;font-size:18px}
.brand small{display:block;color:var(--muted);font-size:12px;margin-top:4px}
.topnav{display:flex;gap:8px;flex:1;justify-content:center;flex-wrap:wrap}
.topnav a,.topbar-cta,.primary-btn,.ghost-btn,.ghost-inline-btn{
  min-height:42px;padding:10px 16px;border-radius:999px;transition:.22s ease
}
.topnav a{
  color:var(--muted);
  background:transparent;
}
.topnav a:hover,.ghost-inline-btn:hover{
  color:#fff;
  background:rgba(86,183,255,.14);
}
.topbar-cta,.primary-btn{
  background:linear-gradient(135deg,var(--blue),var(--teal));
  color:#09111a;
  font-weight:900;
  box-shadow:0 18px 46px rgba(86,183,255,.22);
}
.topbar-cta:hover,.primary-btn:hover{
  transform:translateY(-2px);
  box-shadow:0 22px 54px rgba(86,183,255,.3);
}
.ghost-btn,.ghost-inline-btn{
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);
  color:#eef7ff;
  border:1px solid rgba(255,255,255,.1);
}
.case-page{
  position:relative;z-index:1;
  width:min(1440px, calc(100% - 40px));
  margin:0 auto;
  padding:30px 0 90px;
}
.case-hero{
  display:grid;grid-template-columns:minmax(0,.88fr) minmax(0,1.12fr);
  gap:22px;align-items:stretch
}
.hero-copy,.spotlight-panel,.featured-section,.insight-section{
  border-radius:28px;
}
.hero-copy{
  padding:34px;
  background:
    linear-gradient(180deg, rgba(10,17,27,.92), rgba(10,17,27,.66)),
    radial-gradient(circle at top left, rgba(86,183,255,.14), transparent 40%);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--shadow)
}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  padding:9px 14px;border-radius:999px;
  color:#dff1ff;
  background:rgba(86,183,255,.12);
  border:1px solid rgba(86,183,255,.22);
  font-size:12px;font-weight:900;letter-spacing:.1em
}
h1{
  margin:24px 0 18px;
  font-size:clamp(42px,4.8vw,76px);
  line-height:1.04
}
.hero-copy p{
  margin:0;
  color:#d6e4ef;
  font-size:17px;
  line-height:1.9
}
.hero-actions{
  display:flex;gap:12px;flex-wrap:wrap;
  margin-top:28px
}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;margin-top:28px
}
.hero-stats div{
  padding:18px;border-radius:18px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08)
}
.hero-stats strong{display:block;font-size:28px}
.hero-stats span{display:block;color:var(--muted);font-size:13px;margin-top:6px}
.spotlight-panel{
  display:grid;grid-template-columns:minmax(320px,.92fr) minmax(280px,1fr);
  gap:0;overflow:hidden
}
.spotlight-media{
  position:relative;min-height:460px;
  background:
    radial-gradient(circle at 24% 20%, rgba(86,183,255,.22), transparent 34%),
    radial-gradient(circle at 80% 14%, rgba(255,204,104,.16), transparent 22%),
    linear-gradient(180deg, rgba(12,20,32,.8), rgba(7,12,20,.96));
}
.spotlight-poster{
  position:absolute;inset:24px;
  border-radius:24px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  background:
    linear-gradient(135deg, rgba(86,183,255,.12), rgba(255,204,104,.1)),
    linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
}
.spotlight-poster img{
  width:100%;height:100%;object-fit:cover;display:block
}
.spotlight-poster::after{
  content:"";
  position:absolute;inset:0;
  background:
    linear-gradient(180deg, transparent 0%, transparent 58%, rgba(6,10,16,.82) 100%),
    linear-gradient(90deg, rgba(6,10,16,.18), transparent 44%, rgba(6,10,16,.2));
}
.spotlight-fallback{
  position:absolute;inset:0;
  display:flex;flex-direction:column;justify-content:flex-end;
  gap:10px;padding:28px;
  color:#f2f8ff
}
.spotlight-fallback small{
  color:#b9d5e9;font-size:12px;font-weight:900;letter-spacing:.14em
}
.spotlight-fallback strong{
  font-size:26px;line-height:1.3
}
.spotlight-play-badge{
  position:absolute;left:28px;top:28px;
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 16px;border-radius:999px;
  background:rgba(6,10,16,.52);
  border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(12px);
  z-index:1
}
.spotlight-play-badge i{
  width:12px;height:12px;border-radius:50%;
  background:var(--lime);box-shadow:0 0 16px var(--lime)
}
.spotlight-body{
  padding:28px;
  display:flex;flex-direction:column;justify-content:center;
  background:linear-gradient(180deg, rgba(21,33,49,.96), rgba(12,19,28,.96))
}
.spotlight-topline{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  margin-bottom:14px
}
.spotlight-topline span{
  display:inline-flex;align-items:center;min-height:30px;padding:0 12px;border-radius:999px;
  background:rgba(255,204,104,.14);border:1px solid rgba(255,204,104,.26);
  color:#ffe1a6;font-size:12px;font-weight:900
}
.spotlight-topline em{font-style:normal;color:var(--muted)}
.spotlight-body h2{
  margin:0 0 14px;font-size:34px;line-height:1.2
}
.spotlight-body p{
  margin:0;color:#d6e4ef;line-height:1.85
}
.spotlight-tags{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:20px
}
.spotlight-tags b,.feature-chip,.player-meta b{
  display:inline-flex;align-items:center;min-height:34px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08)
}
.spotlight-outcome{
  margin-top:18px;padding:16px 18px;border-radius:18px;
  background:linear-gradient(135deg, rgba(255,204,104,.1), rgba(86,183,255,.08));
  border:1px solid rgba(255,255,255,.08);
  line-height:1.8;color:#edf6ff
}
.spotlight-actions{
  display:flex;gap:12px;flex-wrap:wrap;margin-top:22px
}
.featured-section{
  margin-top:24px;
  padding:28px;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.06)
}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:18px;
  margin-bottom:22px
}
.section-head span{
  color:var(--gold);font-size:12px;font-weight:900;letter-spacing:.14em
}
.section-head h3{
  margin:10px 0 0;
  font-size:30px;line-height:1.24
}
.featured-grid,.all-case-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px
}
.featured-card,.case-card{
  position:relative;
  padding:18px;border-radius:22px;
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.08);
  transition:.24s ease
}
.featured-card:hover,.featured-card.active,.case-card:hover{
  transform:translateY(-4px);
  border-color:rgba(86,183,255,.28);
  box-shadow:0 18px 46px rgba(0,0,0,.26)
}
.feature-cover{
  height:210px;border-radius:18px;overflow:hidden;
  background:
    linear-gradient(135deg, rgba(86,183,255,.12), rgba(255,204,104,.1)),
    linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  position:relative;
  margin-bottom:16px
}
.feature-cover img{
  width:100%;height:100%;object-fit:cover;display:block
}
.feature-fallback{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:1;
  display:grid;gap:8px
}
.feature-fallback small{
  color:#d2e7f7;font-size:11px;font-weight:900;letter-spacing:.14em
}
.feature-fallback strong{
  font-size:22px;line-height:1.24
}
.feature-cover::after{
  content:"播放";
  position:absolute;left:18px;top:18px;
  padding:8px 14px;border-radius:999px;
  background:rgba(6,10,16,.56);
  border:1px solid rgba(255,255,255,.14);
  font-weight:800;font-size:12px;letter-spacing:.08em
}
.feature-cover::before{
  content:"";
  position:absolute;inset:0;
  background:
    linear-gradient(180deg, transparent 0%, transparent 48%, rgba(5,9,15,.84) 100%),
    linear-gradient(90deg, rgba(5,9,15,.14), transparent 42%, rgba(5,9,15,.18));
  z-index:0
}
.featured-card h4,.case-card h4{
  margin:0 0 10px;font-size:24px;line-height:1.25
}
.featured-card p,.case-card p{
  margin:0;color:#d3e0ea;line-height:1.75
}
.feature-meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-bottom:14px
}
.feature-meta span{
  display:inline-flex;align-items:center;min-height:30px;padding:0 12px;border-radius:999px;
  background:rgba(255,255,255,.07);font-size:12px;font-weight:800
}
.feature-meta em{font-style:normal;color:var(--muted);font-size:12px}
.feature-chip-row{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:16px
}
.card-actions{
  display:flex;gap:10px;flex-wrap:wrap;margin-top:18px
}
.card-actions button{
  min-height:40px;padding:10px 14px;border-radius:999px
}
.ghost-card-btn{
  background:rgba(255,255,255,.05);color:#eef7ff;border:1px solid rgba(255,255,255,.1)
}
.primary-card-btn{
  background:linear-gradient(135deg,var(--blue),var(--teal));
  color:#09111a;font-weight:900
}
.insight-section{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;margin-top:24px;padding:24px
}
.insight-card{
  padding:22px;border-radius:22px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08)
}
.insight-card span{
  display:block;margin-bottom:12px;color:var(--gold);font-size:12px;font-weight:900;letter-spacing:.14em
}
.insight-card p{
  margin:0;color:#d6e4ef;line-height:1.8
}
.modal{
  position:fixed;inset:0;z-index:60;
  display:none;align-items:center;justify-content:center;
  padding:24px
}
.modal.open{display:flex}
.modal-backdrop{
  position:absolute;inset:0;background:rgba(4,8,14,.72);backdrop-filter:blur(10px)
}
.modal-dialog{
  position:relative;z-index:1;
  width:min(1180px,100%);
  max-height:min(88vh,100%);
  overflow:auto;
  border-radius:28px;
  padding:24px;
  background:linear-gradient(180deg, rgba(15,24,37,.97), rgba(10,16,26,.98));
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 28px 90px rgba(0,0,0,.45)
}
.modal-xl{width:min(1320px,100%)}
.modal-player{width:min(1280px,100%)}
.modal-head{
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  margin-bottom:20px
}
.modal-head span{
  color:var(--gold);font-size:12px;font-weight:900;letter-spacing:.14em
}
.modal-head h3{
  margin:10px 0 0;font-size:30px;line-height:1.25
}
.modal-close{
  width:42px;height:42px;border-radius:999px;
  background:rgba(255,255,255,.08);color:#fff;font-size:26px
}
.filter-row{
  display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px
}
.filter-chip{
  min-height:38px;padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.05);color:#dce9f2;border:1px solid rgba(255,255,255,.08)
}
.filter-chip.active{
  background:linear-gradient(135deg,var(--blue),var(--teal));
  color:#09111a;font-weight:900
}
.player-layout{
  display:grid;grid-template-columns:minmax(0,1.32fr) minmax(300px,.68fr);gap:18px
}
.player-stage{
  min-height:420px;
  border-radius:24px;overflow:hidden;
  background:#070d15;
  border:1px solid rgba(255,255,255,.08)
}
.player-stage video,.player-stage iframe{
  width:100%;height:100%;display:block;border:0;background:#000
}
.player-empty{
  min-height:420px;display:grid;place-items:center;
  color:#c9d8e4;padding:30px;text-align:center;line-height:1.8
}
.player-sidebar{
  display:grid;gap:16px
}
.player-meta,.player-desc{
  padding:20px;border-radius:22px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08)
}
.player-meta{
  display:flex;flex-wrap:wrap;gap:10px
}
.player-desc{
  color:#d7e4ee;line-height:1.85
}
.toast{
  position:fixed;left:50%;bottom:30px;z-index:80;
  transform:translate(-50%,30px);
  opacity:0;
  padding:12px 18px;border-radius:999px;
  background:rgba(0,0,0,.74);
  border:1px solid rgba(255,255,255,.16);
  transition:.22s ease
}
.toast.show{opacity:1;transform:translate(-50%,0)}
@media (max-width:1180px){
  .case-page{width:min(100% - 24px, 100%)}
  .case-hero,.spotlight-panel,.player-layout,.featured-grid,.all-case-grid,.insight-section{grid-template-columns:1fr}
  .spotlight-media{min-height:340px}
}
@media (max-width:760px){
  .topbar{padding:16px 14px;flex-wrap:wrap}
  .topnav{justify-content:flex-start}
  .case-page{padding-top:18px}
  .hero-copy,.featured-section,.insight-section,.modal-dialog{padding:18px}
  h1{font-size:40px}
  .hero-stats{grid-template-columns:1fr}
  .section-head{align-items:flex-start;flex-direction:column}
  .section-head h3,.modal-head h3{font-size:24px}
  .featured-grid,.all-case-grid,.insight-section{gap:12px}
  .spotlight-body h2{font-size:28px}
}