/* ============================================================
   Offshore Investment (Hainan) — AI Division
   Dark immersive edition
   ============================================================ */

:root{
  --bg:        #07080c;
  --bg-2:      #0b0d14;
  --bg-3:      #10131c;
  --panel:     rgba(255,255,255,.028);
  --panel-2:   rgba(255,255,255,.045);
  --line:      rgba(233,237,245,.10);
  --line-2:    rgba(233,237,245,.18);
  --txt:       #e9edf5;
  --txt-m:     #9aa3b5;
  --txt-d:     #676f82;
  --acc:       #6cc8ff;
  --acc-2:     #8f7bff;
  --grad:      linear-gradient(95deg,#6cc8ff 0%,#8f7bff 100%);
  --glow:      0 0 40px rgba(108,200,255,.18);

  --serif: "Noto Serif SC","Source Han Serif SC","Songti SC","STSong",Georgia,"Times New Roman",serif;
  --sans:  -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;

  --container: 1180px;
  --header-h:  72px;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; scroll-padding-top: var(--header-h); }

body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--txt);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

img,video{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul,ol{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4,h5{ margin:0; font-weight:600; }
::selection{ background:var(--acc); color:#07080c; }

/* ---------- Language ---------- */
.en{ display:none; }
html[lang="en"] .zh{ display:none; }
html[lang="en"] .en{ display:inline; }

/* ---------- Grain ---------- */
.grain{
  position:fixed;
  inset:-50%;
  width:200%; height:200%;
  z-index:90;
  pointer-events:none;
  opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 300 300' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.72' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grainShift .9s steps(4) infinite;
}
@keyframes grainShift{
  0%{ transform:translate(0,0) }
  25%{ transform:translate(-2%,1.5%) }
  50%{ transform:translate(1.5%,-2%) }
  75%{ transform:translate(-1%,-1%) }
  100%{ transform:translate(0,0) }
}

/* ---------- Custom cursor (difference-blend ring) ---------- */
.cursor-dot,.cursor-ring{
  position:fixed; top:0; left:0;
  border-radius:50%;
  pointer-events:none;
  z-index:120;
  transform:translate(-50%,-50%);
  display:none;
  mix-blend-mode:difference;
}
.cursor-dot{
  width:7px; height:7px;
  background:#fff;
}
.cursor-ring{
  width:40px; height:40px;
  border:2px solid #fff;
  transition:width .32s cubic-bezier(.19,1,.22,1),
             height .32s cubic-bezier(.19,1,.22,1),
             background .32s ease,
             opacity .2s ease;
}
.cursor-ring.is-link{
  width:72px; height:72px;
  background:rgba(255,255,255,.92);
}
.cursor-ring.is-down{ opacity:.5; }
@media (pointer:fine){
  .cursor-dot,.cursor-ring{ display:block; }
  body,a,button,input,select,textarea,label{ cursor:none; }
}

/* ---------- Preloader (lusion-style curtain) ---------- */
html.is-loading,
html.is-loading body{
  overflow:hidden;
}
.loader{
  position:fixed;
  inset:0;
  z-index:300;
  background:var(--bg);
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:default;
  transition:transform 1.05s cubic-bezier(.77,0,.18,1) .38s;
  will-change:transform;
}
.loader.leaving{
  transform:translateY(-100%);
}
.loader-inner{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:24px;
  transition:opacity .38s ease;
}
.loader.leaving .loader-inner{ opacity:0; }
.loader-mark{
  color:var(--acc);
  animation:loaderMark 1.9s cubic-bezier(.4,0,.2,1) infinite;
}
@keyframes loaderMark{
  0%,100%{ opacity:.55; transform:scale(.96); }
  50%{ opacity:1; transform:scale(1.04); }
}
.loader-word{
  margin:0;
  font-size:10.5px;
  letter-spacing:.42em;
  text-transform:uppercase;
  color:var(--txt-m);
  text-indent:.42em;
}
.loader-bar{ width:min(264px,62vw); }
.loader-meta{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  font-size:10px;
  letter-spacing:.3em;
  text-transform:uppercase;
  color:var(--txt-d);
  margin-bottom:12px;
}
.loader-pct{
  font-variant-numeric:tabular-nums;
  letter-spacing:.08em;
  color:var(--txt-m);
}
.loader-track{
  position:relative;
  height:1px;
  background:rgba(233,237,245,.14);
  overflow:hidden;
}
.loader-fill{
  position:absolute;
  inset:0;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left center;
  box-shadow:0 0 12px rgba(108,200,255,.55);
}

/* ---------- Layout ---------- */
.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.section{ padding:120px 0; position:relative; }
.section-tint{
  background:
    radial-gradient(90% 70% at 80% 0%, rgba(143,123,255,.07), transparent 60%),
    var(--bg-2);
}

/* ---------- Section headers ---------- */
.sec-label{
  display:flex;
  align-items:baseline;
  gap:14px;
  margin:0 0 26px;
  font-size:12.5px;
  letter-spacing:.32em;
  text-transform:uppercase;
  color:var(--txt-d);
}
.sec-no{
  font-family:Georgia,serif;
  font-size:14px;
  letter-spacing:.05em;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.sec-label::after{
  content:"";
  flex:0 0 64px;
  height:1px;
  background:var(--line-2);
  transform:translateY(-4px);
}
.sec-title{
  font-family:var(--sans);
  font-size:clamp(28px,4vw,46px);
  line-height:1.22;
  font-weight:600;
  letter-spacing:-.015em;
  margin-bottom:24px;
}
.sec-lead{
  max-width:620px;
  color:var(--txt-m);
  margin:0 0 52px;
}

/* line-mask reveal */
.line-mask{ display:block; overflow:hidden; padding-bottom:.08em; margin-bottom:-.08em; }
.line-mask > .line{
  display:inline-block;
  transform:translateY(110%);
  transition:transform 1s cubic-bezier(.19,1,.22,1);
}
.in .line-mask > .line,
.line-mask.in > .line{ transform:translateY(0); }
.line-mask:nth-child(2) > .line{ transition-delay:.09s; }
.line-grad{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.sub-h{
  font-size:12.5px;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--txt-d);
  margin:52px 0 24px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.sub-h-light{ color:var(--txt-m); border-top-color:var(--line); }

/* ---------- Header ---------- */
.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:100;
  height:var(--header-h);
  transition:background .4s ease, border-color .4s ease, backdrop-filter .4s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(7,8,12,.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom-color:var(--line);
}
.header-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
  height:100%;
  display:flex;
  align-items:center;
  gap:28px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  color:var(--txt);
  flex-shrink:0;
}
.brand-mark{ color:var(--txt); flex-shrink:0; }
.brand-mark rect{ transition:stroke .3s; }
.brand:hover .brand-mark{ color:var(--acc); }
.brand-text{ display:flex; flex-direction:column; line-height:1.3; }
.brand-zh{
  font-family:var(--serif);
  font-size:15px;
  font-weight:700;
  letter-spacing:.1em;
}
.brand-en{
  font-size:9px;
  letter-spacing:.26em;
  color:var(--txt-d);
  white-space:nowrap;
}
.site-nav{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:2px;
}
.site-nav a{
  position:relative;
  padding:9px 12px;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--txt-m);
  transition:color .25s;
  white-space:nowrap;
}
.site-nav a::after{
  content:"";
  position:absolute;
  left:12px; right:12px; bottom:3px;
  height:1px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .35s cubic-bezier(.19,1,.22,1);
}
.site-nav a:hover{ color:var(--txt); }
.site-nav a.active{ color:var(--txt); }
.site-nav a.active::after{ transform:scaleX(1); }

.header-actions{ display:flex; align-items:center; gap:14px; flex-shrink:0; }
.lang-toggle{
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:.16em;
  min-width:48px;
  padding:8px 13px;
  border:1px solid var(--line-2);
  border-radius:999px;
  background:transparent;
  color:var(--txt);
  transition:border-color .25s, background .25s, color .25s;
}
.lang-toggle:hover{ border-color:var(--acc); color:var(--acc); }

.nav-toggle{ display:none; width:40px; height:40px; background:none; border:0; padding:10px; }
.nav-toggle span{
  display:block;
  height:1.5px;
  background:var(--txt);
  margin:5px 0;
  transition:transform .3s;
}
.nav-toggle.open span:nth-child(1){ transform:translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ transform:translateY(-6.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:100svh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  overflow:hidden;
  padding:var(--header-h) 0 0;
}
.hero-video{
  position:absolute;
  inset:0;
  width:100%; height:100%;
  object-fit:cover;
  transform:scale(1.06);
  animation:heroDrift 24s ease-out forwards;
}
@keyframes heroDrift{ to{ transform:scale(1); } }
.hero-tint{
  position:absolute; inset:0;
  background:linear-gradient(180deg,
    rgba(7,8,12,.86) 0%,
    rgba(7,8,12,.30) 36%,
    rgba(7,8,12,.42) 64%,
    rgba(7,8,12,.94) 100%);
  pointer-events:none;
}
.hero-overlay{
  position:absolute; inset:0;
  pointer-events:none;
  background:
    radial-gradient(58% 56% at 66% 44%, rgba(7,8,12,0) 0%, rgba(7,8,12,.22) 58%, rgba(7,8,12,.72) 100%),
    linear-gradient(90deg, rgba(7,8,12,.74) 0%, rgba(7,8,12,.20) 44%, rgba(7,8,12,0) 72%);
}
.hero-glow{
  position:absolute; inset:0;
  pointer-events:none;
  mix-blend-mode:screen;
  background:
    radial-gradient(38% 34% at 70% 44%, rgba(108,200,255,.18), rgba(108,200,255,0) 68%),
    radial-gradient(30% 30% at 74% 52%, rgba(143,123,255,.16), rgba(143,123,255,0) 70%);
}
.hero-content{
  position:relative;
  padding-top:72px;
  padding-bottom:48px;
}
.hero-eyebrow{
  font-size:12px;
  letter-spacing:.34em;
  text-transform:uppercase;
  color:var(--acc);
  margin:0 0 26px;
}
.hero-title{
  font-size:clamp(38px,7vw,84px);
  line-height:1.08;
  font-weight:700;
  letter-spacing:-.02em;
  margin:0 0 26px;
  max-width:14em;
}
.hero-sub{
  font-size:clamp(15px,1.5vw,18px);
  color:var(--txt-m);
  max-width:36em;
  margin:0 0 40px;
}
.hero-cta{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:72px; }

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:15px 32px;
  font-size:13.5px;
  letter-spacing:.14em;
  border:1px solid transparent;
  border-radius:999px;
  transition:background .3s, border-color .3s, color .3s, transform .3s, box-shadow .3s;
}
.btn svg{ transition:transform .3s; }
.btn:hover svg{ transform:translateX(4px); }
.btn-primary{
  background:var(--txt);
  border-color:var(--txt);
  color:#0a0c10;
  font-weight:600;
}
.btn-primary:hover{
  background:var(--acc);
  border-color:var(--acc);
  box-shadow:var(--glow);
}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:var(--line-2);
  color:var(--txt);
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{ border-color:var(--acc); color:var(--acc); }
.btn-block{ width:100%; justify-content:center; }

.hero-stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line-2);
  padding-top:30px;
  gap:28px;
}
.hero-stats li{ display:flex; flex-direction:column; gap:8px; }
.hero-stats .num{
  font-family:Georgia,serif;
  font-size:clamp(28px,3vw,42px);
  line-height:1;
  color:#fff;
  letter-spacing:-.01em;
}
.hero-stats .lab{
  font-size:12.5px;
  color:var(--txt-d);
  line-height:1.5;
}
.hero-license{
  position:relative;
  border-top:1px solid var(--line);
  padding:15px 32px;
  font-size:12px;
  color:var(--txt-d);
  display:flex;
  align-items:center;
  gap:10px;
  max-width:var(--container);
  margin:0 auto;
  width:100%;
}
.hero-license svg{ color:var(--acc); flex-shrink:0; }

.scroll-hint{
  position:absolute;
  right:32px;
  bottom:84px;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:12px;
  font-size:10.5px;
  letter-spacing:.3em;
  text-transform:uppercase;
  color:var(--txt-d);
  writing-mode:vertical-rl;
}
.scroll-line{
  width:1px; height:56px;
  background:var(--line-2);
  position:relative;
  overflow:hidden;
  writing-mode:horizontal-tb;
}
.scroll-line span{
  position:absolute;
  top:-100%; left:0;
  width:100%; height:100%;
  background:var(--acc);
  animation:scrollLine 2.2s cubic-bezier(.65,0,.35,1) infinite;
}
@keyframes scrollLine{ 0%{ top:-100% } 60%,100%{ top:100% } }

/* ---------- Marquee ---------- */
.marquee{
  overflow:hidden;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:var(--bg-2);
  padding:18px 0;
  white-space:nowrap;
}
.marquee-track{
  display:inline-flex;
  align-items:center;
  gap:34px;
  animation:marquee 36s linear infinite;
  will-change:transform;
}
.marquee:hover .marquee-track{ animation-play-state:paused; }
.marquee span{
  font-size:13px;
  letter-spacing:.32em;
  color:var(--txt-m);
}
.marquee i{ color:var(--acc); font-style:normal; font-size:11px; }
@keyframes marquee{ to{ transform:translateX(-50%); } }

/* ---------- Quick entries ---------- */
.quick-band{ padding:0; background:var(--bg); }
.quick-grid{ display:grid; grid-template-columns:repeat(4,1fr); }
.quick-card{
  position:relative;
  padding:38px 26px 42px;
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
  gap:10px;
  transition:background .35s;
  overflow:hidden;
}
.quick-card:first-child{ border-left:1px solid var(--line); }
.quick-card::before{
  content:"";
  position:absolute;
  left:0; top:0; bottom:0;
  width:2px;
  background:var(--grad);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform .4s cubic-bezier(.19,1,.22,1);
}
.quick-card:hover{ background:var(--bg-2); }
.quick-card:hover::before{ transform:scaleY(1); }
.quick-no{
  font-family:Georgia,serif;
  font-size:13px;
  color:var(--acc);
}
.quick-t{
  font-size:19px;
  font-weight:600;
  letter-spacing:-.01em;
}
.quick-d{ font-size:13px; color:var(--txt-d); line-height:1.7; }
.quick-arrow{
  position:absolute;
  top:34px; right:24px;
  color:var(--txt-m);
  font-size:18px;
  line-height:1;
  transition:transform .3s, color .3s;
}
.quick-card:hover .quick-arrow{ color:var(--acc); transform:translate(4px,-4px); }

/* ---------- Glass card ---------- */
.glass-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:14px;
  padding:30px 28px;
  position:relative;
  overflow:hidden;
  transition:border-color .35s, background .35s, transform .35s, box-shadow .35s;
}
.glass-card::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  padding:1px;
  background:linear-gradient(140deg, rgba(108,200,255,.35), transparent 40%);
  -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;
  mask-composite:exclude;
  opacity:0;
  transition:opacity .35s;
  pointer-events:none;
}
.glass-card:hover{
  border-color:transparent;
  background:var(--panel-2);
  transform:translateY(-4px);
  box-shadow:0 24px 60px -30px rgba(0,0,0,.8), var(--glow);
}
.glass-card:hover::after{ opacity:1; }

/* ---------- About ---------- */
.about-grid{
  display:grid;
  grid-template-columns:5fr 6fr;
  gap:72px;
  align-items:start;
  margin-bottom:104px;
}
.prose p{ margin:0 0 20px; color:var(--txt-m); font-size:15.5px; }
.prose strong{ color:var(--txt); font-weight:600; }
.about-facts{ margin-top:32px; border-top:1px solid var(--line); }
.about-facts li{
  display:grid;
  grid-template-columns:120px 1fr;
  gap:18px;
  padding:15px 0;
  border-bottom:1px solid var(--line);
  font-size:14.5px;
  align-items:baseline;
}
.about-facts li span{
  font-size:11.5px;
  letter-spacing:.22em;
  color:var(--txt-d);
  text-transform:uppercase;
}
.about-facts li strong{ font-weight:600; color:var(--txt); }

.media-frame{
  margin:0;
  border-radius:14px;
  overflow:hidden;
  border:1px solid var(--line);
  position:relative;
  background:var(--bg-3);
}
.media-video{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.media-frame figcaption{
  position:absolute;
  left:18px; bottom:16px;
  font-size:12px;
  color:var(--txt);
  background:rgba(7,8,12,.62);
  backdrop-filter:blur(8px);
  border:1px solid var(--line);
  border-radius:999px;
  padding:7px 16px;
  letter-spacing:.06em;
}

.block-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:32px;
  margin-bottom:36px;
}
.block-head h3{ font-size:26px; font-weight:600; letter-spacing:-.01em; flex-shrink:0; }
.block-head p{ margin:0; font-size:14px; color:var(--txt-d); max-width:520px; text-align:right; }

.team-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
  margin-bottom:96px;
}
.card-index{
  font-family:Georgia,serif;
  font-size:13px;
  color:var(--acc);
  letter-spacing:.08em;
}
.team-card,.glass-card h4{
  font-size:19px;
  font-weight:600;
  margin:14px 0 12px;
}
.glass-card p{ margin:0; font-size:14px; color:var(--txt-m); }

.timeline{
  position:relative;
  padding-left:36px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:8px; top:10px; bottom:10px;
  width:1px;
  background:linear-gradient(180deg, var(--acc), rgba(143,123,255,.2), transparent);
}
.timeline li{
  position:relative;
  display:grid;
  grid-template-columns:76px 1fr;
  gap:20px;
  padding:14px 0;
  align-items:baseline;
}
.t-dot{
  position:absolute;
  left:-36px;
  top:22px;
  width:10px; height:10px;
  border-radius:50%;
  background:var(--bg);
  border:2px solid var(--acc);
  box-shadow:0 0 12px rgba(108,200,255,.5);
}
.t-year{
  font-family:Georgia,serif;
  font-size:14px;
  color:var(--acc);
  letter-spacing:.08em;
}
.t-text{ font-size:15.5px; color:var(--txt); }

/* ---------- Business ---------- */
.biz-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:16px;
  padding:48px 48px 52px;
  margin-bottom:28px;
}
.biz-planned{
  background:transparent;
  border-style:dashed;
  border-color:var(--line-2);
}
.biz-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:20px;
  margin-bottom:18px;
}
.biz-index{
  margin:0 0 8px;
  font-size:11.5px;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--txt-d);
}
.biz-head h3{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:600;
  letter-spacing:-.01em;
}
.biz-desc{ margin:0 0 38px; color:var(--txt-m); max-width:780px; font-size:15px; }

.tag{
  display:inline-block;
  padding:6px 15px;
  font-size:11.5px;
  letter-spacing:.14em;
  white-space:nowrap;
  border:1px solid;
  border-radius:999px;
  flex-shrink:0;
}
.tag-solid{
  background:var(--grad);
  border-color:transparent;
  color:#07080c;
  font-weight:600;
}
.tag-live{ border-color:rgba(108,200,255,.5); color:var(--acc); background:rgba(108,200,255,.07); }
.tag-plan{ border-color:var(--line-2); color:var(--txt-d); }

.spec-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
}
.spec{
  padding:22px 24px;
  background:var(--bg-2);
  display:flex;
  flex-direction:column;
  gap:6px;
  transition:background .3s;
}
.spec:hover{ background:var(--bg-3); }
.spec-k{
  font-size:11px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--txt-d);
}
.spec-v{ font-size:18px; font-weight:600; letter-spacing:-.01em; }

/* Pipeline band */
.pipeline-band{
  position:relative;
  margin:56px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.band-video{
  position:absolute;
  inset:0;
  width:100%; height:100%;
  object-fit:cover;
  opacity:.5;
}
.band-overlay{
  position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(7,8,12,.88) 0%, rgba(7,8,12,.72) 50%, rgba(7,8,12,.9) 100%),
    radial-gradient(60% 80% at 50% 50%, rgba(108,200,255,.12), transparent 70%);
}
.band-inner{ position:relative; padding:72px 32px; }
.sub-h-band{
  font-size:12.5px;
  letter-spacing:.3em;
  text-transform:uppercase;
  color:var(--acc);
  margin:0 0 34px;
}
.pipeline{
  display:flex;
  align-items:stretch;
  gap:0;
}
.pipeline li{
  flex:1;
  padding:26px 20px 24px;
  background:rgba(11,13,20,.66);
  border:1px solid var(--line);
  backdrop-filter:blur(10px);
  display:flex;
  flex-direction:column;
  gap:8px;
  transition:border-color .3s, background .3s;
}
.pipeline li:hover{
  border-color:rgba(108,200,255,.45);
  background:rgba(17,22,34,.78);
}
.p-no{
  font-family:Georgia,serif;
  font-size:13px;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  letter-spacing:.1em;
}
.p-t{ font-weight:600; font-size:15px; }
.p-d{ font-size:12.5px; color:var(--txt-d); line-height:1.65; }
/* 流程箭头：去掉卡片底板，独立高亮显示 */
.pipeline li.p-arrow{
  flex:0 0 36px;
  padding:0;
  background:transparent;
  border:0;
  backdrop-filter:none;
  -webkit-backdrop-filter:none;
  flex-direction:row;
  gap:0;
}
.pipeline li.p-arrow:hover{
  border:0;
  background:transparent;
}
.p-arrow{
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--acc);
  font-size:22px;
  font-weight:300;
  line-height:1;
  text-shadow:0 0 14px rgba(108,200,255,.65), 0 0 4px rgba(143,123,255,.5);
}

.tech-row{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.tech{
  border:1px solid var(--line);
  border-radius:12px;
  padding:20px 22px;
  display:flex;
  flex-direction:column;
  gap:4px;
  background:var(--bg-2);
  transition:border-color .3s, transform .3s;
}
.tech:hover{ border-color:rgba(108,200,255,.45); transform:translateY(-3px); }
.tech strong{ font-family:Georgia,serif; font-size:18px; letter-spacing:.01em; }
.tech span{ font-size:13px; color:var(--txt-d); }

.platforms{ display:flex; flex-wrap:wrap; gap:12px; }
.platforms li{
  display:flex;
  align-items:center;
  gap:12px;
  border:1px solid var(--line);
  border-radius:999px;
  padding:10px 18px;
  background:var(--bg-2);
  font-size:14px;
  transition:border-color .3s;
}
.platforms li:hover{ border-color:var(--line-2); }
.pl-name{ font-family:Georgia,serif; letter-spacing:.02em; }

.live-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.live-item{
  padding:26px 26px 28px;
  border:1px dashed var(--line-2);
  border-radius:12px;
  transition:border-color .3s, background .3s;
}
.live-item:hover{ border-color:rgba(143,123,255,.5); background:rgba(143,123,255,.05); }
.live-no{ font-family:Georgia,serif; color:var(--txt-d); font-size:13px; letter-spacing:.1em; }
.live-item h5{ font-size:17px; font-weight:600; margin:10px 0 10px; }
.live-item p{ margin:0; font-size:13.5px; color:var(--txt-m); }

/* ---------- Projects ---------- */
.projects-section{ overflow:hidden; }
.projects-video{
  position:absolute;
  inset:0;
  width:100%; height:100%;
  object-fit:cover;
  opacity:.28;
}
.projects-overlay{
  position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(7,8,12,.9) 0%, rgba(7,8,12,.72) 30%, rgba(7,8,12,.85) 100%);
}
.projects-section .container{ position:relative; }

.feature-grid{
  display:grid;
  grid-template-columns:4fr 7fr;
  gap:64px;
  align-items:start;
  margin:48px 0 16px;
}
.poster-wrap{
  margin:0;
  border-radius:12px;
  overflow:hidden;
  position:relative;
}
.poster{
  width:100%;
  aspect-ratio:9/16;
  object-fit:cover;
  border:1px solid var(--line-2);
  box-shadow:0 40px 80px -30px rgba(0,0,0,.9), 0 0 60px -20px rgba(143,123,255,.25);
}
.poster-cap{
  margin:14px 0 0;
  font-size:12px;
  color:var(--txt-d);
}
.work-tagline{
  font-size:12px;
  letter-spacing:.3em;
  text-transform:uppercase;
  color:var(--acc);
  margin:0 0 14px;
}
.work-title{
  font-family:Georgia,var(--serif);
  font-size:clamp(30px,3.8vw,48px);
  font-style:italic;
  letter-spacing:0;
  color:#fff;
  margin-bottom:20px;
}
.work-tags{ display:flex; flex-wrap:wrap; gap:8px; margin-bottom:28px; }
.work-tags li{
  font-size:12.5px;
  letter-spacing:.08em;
  padding:5px 14px;
  border:1px solid var(--line-2);
  border-radius:999px;
  color:var(--txt-m);
}
.work-tags li.is-making{ border-color:rgba(108,200,255,.6); color:var(--acc); background:rgba(108,200,255,.08); }
.work-synopsis{
  font-size:15.5px;
  line-height:1.95;
  color:var(--txt-m);
  margin:0 0 14px;
  max-width:640px;
}
.work-note{ font-size:12.5px; color:var(--txt-d); margin:0 0 34px; }

.work-meta{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0;
  border-top:1px solid var(--line-2);
  margin:0;
}
.work-meta div{
  display:flex;
  justify-content:space-between;
  gap:16px;
  padding:15px 0;
  border-bottom:1px solid var(--line);
}
.work-meta dt{ font-size:11.5px; letter-spacing:.22em; text-transform:uppercase; color:var(--txt-d); }
.work-meta dd{ margin:0; font-size:14.5px; }

.pipeline-table{ margin-top:8px; border-top:1px solid var(--line-2); }
.pt-row{
  display:grid;
  grid-template-columns:2fr 1fr 1.4fr;
  gap:20px;
  padding:20px 4px;
  border-bottom:1px solid var(--line);
  align-items:center;
  font-size:14.5px;
  transition:background .3s;
}
.pt-row:hover{ background:rgba(255,255,255,.025); }
.pt-head{
  font-size:11px;
  letter-spacing:.26em;
  text-transform:uppercase;
  color:var(--txt-d);
  padding-bottom:12px;
}
.pt-name{ font-family:Georgia,serif; }

/* ---------- Development ---------- */
.phase-track{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  margin-top:64px;
  position:relative;
}
.phase-track::before{
  content:"";
  position:absolute;
  top:14px; left:8%; right:8%;
  height:1px;
  background:linear-gradient(90deg, var(--acc), var(--acc-2));
  opacity:.4;
}
.phase{ position:relative; padding:0 32px 0 0; }
.phase-when{
  display:inline-block;
  font-size:12.5px;
  letter-spacing:.14em;
  color:var(--acc);
  border:1px solid rgba(108,200,255,.4);
  border-radius:999px;
  padding:5px 16px;
  margin-bottom:26px;
  background:var(--bg-2);
}
.phase-no{
  position:absolute;
  top:-6px; right:26px;
  font-family:Georgia,serif;
  font-size:52px;
  line-height:1;
  background:linear-gradient(180deg, rgba(108,200,255,.22), rgba(143,123,255,.04));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.phase h4{ font-size:19px; font-weight:600; margin-bottom:12px; }
.phase p{ margin:0; font-size:14px; color:var(--txt-m); }

/* ---------- Insights ---------- */
.data-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.data-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:14px;
  padding:30px 26px 28px;
  display:flex;
  flex-direction:column;
  gap:16px;
  position:relative;
  overflow:hidden;
  transition:transform .35s, border-color .35s;
}
.data-card::before{
  content:"";
  position:absolute;
  top:0; left:0; right:0;
  height:2px;
  background:var(--grad);
  opacity:.7;
}
.data-card:hover{ transform:translateY(-4px); border-color:var(--line-2); }
.data-num{
  font-family:Georgia,serif;
  font-size:46px;
  line-height:1;
  color:#fff;
  letter-spacing:-.02em;
}
.data-unit{
  font-family:var(--sans);
  font-size:14px;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  margin-left:6px;
}
.data-card p{ margin:0; font-size:13.5px; color:var(--txt-m); line-height:1.75; }
.source-note{ margin:32px 0 0; font-size:12.5px; color:var(--txt-d); line-height:1.9; max-width:780px; }

/* ---------- Compliance ---------- */
.license-grid{ display:grid; grid-template-columns:1fr 1fr; gap:22px; }
.license-card{ padding:38px 34px; display:flex; flex-direction:column; }
.license-card h4{ font-size:20px; font-weight:600; margin-bottom:12px; }
.license-card p{ margin:0 0 20px; font-size:14px; color:var(--txt-m); }
.license-status{
  margin-top:auto;
  font-size:12px;
  letter-spacing:.1em;
  color:var(--acc);
  border-top:1px solid var(--line);
  padding-top:16px;
}
.comp-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.comp-item{ padding:26px 24px; }
.comp-no{
  font-family:Georgia,serif;
  font-size:13px;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.comp-item h5{ font-size:15.5px; font-weight:600; margin:12px 0 10px; }
.comp-item p{ font-size:13px; color:var(--txt-d); line-height:1.75; }

/* ---------- Contact ---------- */
.contact-section{
  background:
    radial-gradient(70% 60% at 15% 100%, rgba(108,200,255,.08), transparent 60%),
    radial-gradient(60% 50% at 90% 0%, rgba(143,123,255,.08), transparent 60%),
    var(--bg-2);
}
.contact-grid{
  display:grid;
  grid-template-columns:5fr 6fr;
  gap:72px;
  align-items:start;
  margin-top:44px;
}
.ci-h{
  font-size:12px;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--txt-d);
  margin:36px 0 16px;
}
.ci-h:first-child{ margin-top:0; }
.coop-list li{
  padding:13px 0;
  border-bottom:1px solid var(--line);
  font-size:15px;
  display:flex;
  align-items:center;
  gap:14px;
  transition:color .25s, padding-left .25s;
}
.coop-list li:hover{ color:var(--acc); padding-left:6px; }
.coop-list li::before{
  content:"";
  width:6px; height:6px;
  border-radius:50%;
  background:var(--grad);
  flex-shrink:0;
}
.ci-line{
  display:flex;
  align-items:flex-start;
  gap:14px;
  font-size:14.5px;
  margin:0 0 16px;
  color:var(--txt-m);
}
.ci-line svg{ flex-shrink:0; margin-top:6px; color:var(--acc); }
.ci-line a{ border-bottom:1px solid rgba(108,200,255,.4); color:var(--txt); }
.ci-line a:hover{ color:var(--acc); }

.contact-form{
  padding:40px 38px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:22px 22px;
  border-radius:16px;
}
.field{ display:flex; flex-direction:column; gap:9px; }
.field-full{ grid-column:1/-1; }
.field label{ font-size:11.5px; letter-spacing:.22em; text-transform:uppercase; color:var(--txt-d); }
.field input,
.field select,
.field textarea{
  font-family:var(--sans);
  font-size:14.5px;
  color:var(--txt);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:8px;
  padding:12px 14px;
  outline:none;
  transition:border-color .25s, background .25s;
  width:100%;
}
.field textarea{ resize:vertical; min-height:110px; }
.field select option{ background:var(--bg-3); color:var(--txt); }
.field input:focus,
.field select:focus,
.field textarea:focus{
  border-color:var(--acc);
  background:rgba(108,200,255,.05);
}
.contact-form .btn{ grid-column:1/-1; margin-top:8px; }
.form-note{ grid-column:1/-1; margin:0; font-size:12px; color:var(--txt-d); text-align:center; }

/* ---------- Footer ---------- */
.site-footer{
  background:#05060a;
  color:var(--txt-d);
  padding:64px 0 0;
  border-top:1px solid var(--line);
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid var(--line);
}
.footer-brand{ display:flex; gap:16px; align-items:flex-start; }
.footer-brand svg{ color:var(--txt); margin-top:4px; flex-shrink:0; }
.fb-name{ margin:0 0 6px; color:var(--txt); font-size:15px; font-weight:600; }
.fb-sub{ margin:0; font-size:12.5px; }
.footer-nav{
  display:flex;
  flex-wrap:wrap;
  gap:10px 26px;
  justify-content:flex-end;
  max-width:440px;
}
.footer-nav a{ font-size:13.5px; color:var(--txt-m); transition:color .25s; }
.footer-nav a:hover{ color:var(--acc); }
.footer-base{
  display:flex;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding-top:22px;
  padding-bottom:26px;
  font-size:12px;
  letter-spacing:.04em;
}
.footer-base p{ margin:0; }

/* ---------- Reveal ---------- */
.reveal{
  opacity:0;
  transform:translateY(26px);
  transition:opacity .9s ease, transform .9s cubic-bezier(.19,1,.22,1);
}
.reveal.in{ opacity:1; transform:none; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .reveal{ opacity:1; transform:none; transition:none; }
  .line-mask > .line{ transform:none; transition:none; }
  .hero-video{ animation:none; transform:none; }
  .loader{ display:none !important; }
  html.is-loading, html.is-loading body{ overflow:auto; }
  .loader-mark{ animation:none; }
  .marquee-track{ animation:none; }
  .grain{ animation:none; }
  .scroll-line span{ animation:none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px){
  .site-nav{ display:none; }
  .nav-toggle{ display:block; }
  .site-nav.mobile-open{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    position:absolute;
    top:var(--header-h);
    left:0; right:0;
    background:rgba(7,8,12,.96);
    backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    padding:14px 32px 24px;
    gap:2px;
  }
  .site-nav.mobile-open a{
    padding:14px 4px;
    border-bottom:1px solid var(--line);
    font-size:15px;
  }
  .site-nav.mobile-open a::after{ display:none; }

  .about-grid{ grid-template-columns:1fr; gap:52px; }
  .feature-grid{ grid-template-columns:1fr; gap:48px; }
  .poster{ max-width:360px; }
  .contact-grid{ grid-template-columns:1fr; gap:52px; }
  .data-grid{ grid-template-columns:repeat(2,1fr); }
  .comp-grid{ grid-template-columns:repeat(2,1fr); }
  .scroll-hint{ display:none; }
}

@media (max-width: 760px){
  .section{ padding:84px 0; }
  .container{ padding:0 20px; }
  .header-inner{ padding:0 20px; gap:14px; }
  .brand-en{ display:none; }

  .hero-stats{ grid-template-columns:1fr 1fr; gap:26px 16px; }
  .hero-cta{ margin-bottom:52px; }
  .hero-glow{
    background:
      radial-gradient(70% 34% at 62% 80%, rgba(108,200,255,.14), rgba(108,200,255,0) 70%),
      radial-gradient(55% 28% at 66% 84%, rgba(143,123,255,.12), rgba(143,123,255,0) 72%);
  }
  .quick-grid{ grid-template-columns:1fr 1fr; }
  .quick-card{ border-bottom:1px solid var(--line); }
  .quick-card:nth-child(odd){ border-left:1px solid var(--line); }

  .biz-card{ padding:30px 22px 34px; }
  .spec-grid{ grid-template-columns:1fr 1fr; }
  .pipeline{ flex-direction:column; }
  .pipeline li{ border-radius:10px; }
  .p-arrow{ flex-basis:auto; height:26px; transform:rotate(90deg); }
  .band-inner{ padding:52px 20px; }
  .tech-row{ grid-template-columns:1fr; }
  .live-grid{ grid-template-columns:1fr; }
  .team-grid{ grid-template-columns:1fr; }

  .work-meta{ grid-template-columns:1fr; }
  .pt-row{ grid-template-columns:1fr; gap:8px; }
  .pt-head{ display:none; }
  .phase-track{ grid-template-columns:1fr; gap:36px; }
  .phase-track::before{ display:none; }
  .phase{ padding:0; }
  .license-grid{ grid-template-columns:1fr; }
  .comp-grid{ grid-template-columns:1fr; }
  .contact-form{ grid-template-columns:1fr; padding:30px 22px; }
  .block-head{ flex-direction:column; gap:10px; }
  .block-head p{ text-align:left; }
  .footer-inner{ flex-direction:column; }
  .footer-nav{ justify-content:flex-start; }
  .footer-base{ flex-direction:column; gap:8px; }
  .cursor-dot,.cursor-ring{ display:none !important; }
}