:root{
  --fx-ease:cubic-bezier(.22,.61,.36,1);
  --fx-ease-out:cubic-bezier(.16,1,.3,1);
  --fx-spot:radial-gradient(360px circle at var(--mx,50%) var(--my,50%),
              rgba(45,107,255,.14),rgba(34,211,238,.07) 44%,transparent 72%);
  --fx-spot-d:radial-gradient(360px circle at var(--mx,50%) var(--my,50%),
              rgba(34,211,238,.20),rgba(45,107,255,.10) 44%,transparent 72%);

  --fx-hero-bg:none;
}

/* ===========================================================
   1. 全局氛围层
   =========================================================== */

.fx-grain{
  position:fixed;inset:0;z-index:240;pointer-events:none;opacity:.045;
  mix-blend-mode:overlay;
  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='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

.fx-cursor{
  position:fixed;left:0;top:0;width:560px;height:560px;margin:-280px 0 0 -280px;
  border-radius:50%;pointer-events:none;z-index:6;opacity:0;
  transition:opacity .5s ease;
  background:radial-gradient(circle,rgba(45,107,255,.14),rgba(34,211,238,.07) 40%,transparent 68%);
  mix-blend-mode:screen;
}
.fx-cursor.on{opacity:1;}

.fx-loader{
  position:fixed;inset:0;z-index:400;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:30px;background:var(--deep);
  animation:fxLoaderOut .6s var(--fx-ease) 1.35s forwards;
}
.fx-loader::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(125,170,255,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(125,170,255,.06) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(70% 60% at 50% 45%,#000,transparent 78%);
          mask-image:radial-gradient(70% 60% at 50% 45%,#000,transparent 78%);
}

.fx-loader .ld-logo{position:relative;display:block;width:clamp(190px,20vw,300px);height:auto;
  filter:drop-shadow(0 18px 44px rgba(230,126,42,.3));
  animation:fxTitleIn .72s var(--fx-ease-out) .06s both;}

.fx-loader .ld-tx{position:relative;font-family:var(--mono);font-size:17px;letter-spacing:.26em;
  color:var(--deep-mut);}

.fx-loader .ld-title{
  position:relative;display:flex;flex-wrap:wrap;align-items:baseline;justify-content:center;
  gap:.26em;padding:0 18px;
  font-family:var(--display);font-weight:900;
  font-size:clamp(40px,6.6vw,84px);line-height:1.12;
  letter-spacing:-.015em;text-align:center;
  animation:fxTitleIn .72s var(--fx-ease-out) .24s both;
}
.fx-loader .ld-title em{font-style:normal;color:var(--deep-mut);}
.fx-loader .ld-title b{font-weight:900;color:#8FC0FF;}
@supports (background-clip:text) or (-webkit-background-clip:text){
  .fx-loader .ld-title b{
    background:linear-gradient(100deg,#A9CCFF 0%,#4A8DF6 48%,#22D3EE 100%);
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;color:transparent;
    filter:drop-shadow(0 6px 26px rgba(45,107,255,.42));
  }
}
@keyframes fxTitleIn{
  from{opacity:0;transform:translateY(10px);filter:blur(7px);}
  to{opacity:1;transform:none;filter:blur(0);}
}

.fx-loader .ld-bar{position:relative;width:clamp(320px,38vw,540px);margin-bottom:-6px;height:3px;border-radius:3px;background:rgba(125,170,255,.18);overflow:hidden;}
.fx-loader .ld-bar::after{content:"";position:absolute;inset:0 auto 0 0;width:0;
  background:linear-gradient(90deg,var(--ai),var(--cy));animation:fxLoad 1.2s var(--fx-ease-out) .08s forwards;}
@keyframes fxLoad{to{width:100%;}}
@keyframes fxLoaderOut{to{opacity:0;visibility:hidden;transform:scale(1.02);}}

/* ===========================================================
   2. 滚动入场原语
   =========================================================== */

html.fx-js .fx-stagger>*{opacity:0;transform:translateY(24px);
  transition:opacity .7s var(--fx-ease),transform .7s var(--fx-ease);}
html.fx-js .fx-stagger.in>*{opacity:1;transform:none;}
html.fx-js .fx-stagger.in>*:nth-child(1){transition-delay:.02s;}
html.fx-js .fx-stagger.in>*:nth-child(2){transition-delay:.08s;}
html.fx-js .fx-stagger.in>*:nth-child(3){transition-delay:.14s;}
html.fx-js .fx-stagger.in>*:nth-child(4){transition-delay:.20s;}
html.fx-js .fx-stagger.in>*:nth-child(5){transition-delay:.26s;}
html.fx-js .fx-stagger.in>*:nth-child(6){transition-delay:.32s;}
html.fx-js .fx-stagger.in>*:nth-child(7){transition-delay:.38s;}
html.fx-js .fx-stagger.in>*:nth-child(8){transition-delay:.44s;}
html.fx-js .fx-stagger.in>*:nth-child(n+9){transition-delay:.50s;}

html.fx-js .fx-up{clip-path:inset(0 0 105% 0);transform:translateY(16px);opacity:.001;
  transition:clip-path .85s var(--fx-ease-out),transform .85s var(--fx-ease-out),opacity .5s;}
html.fx-js .fx-up.in{clip-path:inset(0 0 -10% 0);transform:none;opacity:1;}

@supports((-webkit-background-clip:text) or (background-clip:text)){
  .fx-grad,.hero h1 em,.doc-hero h1 em{
    background-image:linear-gradient(100deg,var(--ai) 0%,var(--cy) 34%,#FFB176 58%,var(--ai) 100%);
    background-size:230% 100%;
    -webkit-background-clip:text;background-clip:text;
    color:transparent;-webkit-text-fill-color:transparent;
    animation:fxFlow 9s linear infinite;
  }
  .hero h1 em,.doc-hero h1 em{
    background-image:linear-gradient(100deg,var(--cy) 0%,#7FD8FF 30%,#fff 52%,var(--cy) 100%);
  }
}
@keyframes fxFlow{to{background-position:-230% 0;}}

/* ===========================================================
   3. 通用交互件
   =========================================================== */

.fx-spot{position:relative;}
.fx-spot>.fx-spotlight{
  position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:0;
  background:var(--fx-spot);opacity:0;transition:opacity .32s ease;
}
.fx-spot:hover>.fx-spotlight{opacity:1;}
.fx-spot>*{position:relative;z-index:1;}
.deep-sec .fx-spot>.fx-spotlight,.flag.fx-spot>.fx-spotlight,
.cta-deep .fx-spot>.fx-spotlight,.board.fx-spot>.fx-spotlight{background:var(--fx-spot-d);}

.fx-tilt{transform-style:preserve-3d;will-change:transform;
  transition:transform .55s var(--fx-ease),box-shadow .3s;}
.fx-tilt.acting{transition:transform .06s linear;}

.btn{position:relative;overflow:hidden;}
.btn::before{content:"";position:absolute;top:-40%;bottom:-40%;left:-70%;width:45%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.42),transparent);
  transform:skewX(-18deg);opacity:0;pointer-events:none;}
.btn:hover::before{animation:fxShine .75s var(--fx-ease-out);}
@keyframes fxShine{0%{left:-70%;opacity:1;}100%{left:130%;opacity:0;}}
.btn-ghost::before,.btn-ghost-light::before{
  background:linear-gradient(100deg,transparent,rgba(45,107,255,.18),transparent);}
.btn>.fx-ripple{position:absolute;width:8px;height:8px;margin:-4px 0 0 -4px;border-radius:50%;
  background:rgba(255,255,255,.5);transform:scale(0);opacity:.75;pointer-events:none;
  animation:fxRipple .6s var(--fx-ease-out) forwards;}
.btn-ghost>.fx-ripple,.btn-ghost-light>.fx-ripple{background:rgba(45,107,255,.35);}
@keyframes fxRipple{to{transform:scale(34);opacity:0;}}
.btn:not(.btn-ghost):not(.btn-ghost-light)::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  border:1px solid rgba(34,211,238,0);transition:border-color .25s;}

.nav{transition:box-shadow .3s,background .3s;}
.nav .nav-inner{transition:height .3s var(--fx-ease);}
body.fx-scrolled .nav{background:rgba(255,255,255,.94);
  box-shadow:0 1px 0 rgba(16,24,40,.05),0 14px 34px -24px rgba(16,24,40,.6);}
body.fx-scrolled .nav .nav-inner{height:58px;}
body.fx-scrolled .logo-img{height:38px;transition:height .3s var(--fx-ease);}

.scroll-prog::after{content:"";position:absolute;right:-2px;top:-2px;width:10px;height:7px;
  border-radius:50%;background:var(--cy);filter:blur(3px);opacity:.9;}

/* 3.6 回到顶部：外圈进度 */
.to-top{position:fixed;}
.to-top::after{content:"";position:absolute;inset:-1px;border-radius:inherit;pointer-events:none;
  background:conic-gradient(var(--ai) calc(var(--p,0) * 1turn),transparent 0);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  mask-composite:exclude;padding:1px;opacity:.85;}

/* ===========================================================
   4. 首屏 HERO
   =========================================================== */
.hero{isolation:isolate;}
.hero .cnt{z-index:3;}

/* 4.1 粒子神经网络画布 */
.fx-net{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:.85;}

.fx-aurora{position:absolute;inset:-25% -12%;z-index:0;pointer-events:none;overflow:hidden;}
.fx-aurora i{position:absolute;display:block;border-radius:50%;aspect-ratio:1;will-change:transform;}
.fx-aurora i:nth-child(1){width:58%;left:0%;top:-18%;
  background:radial-gradient(circle,rgba(45,107,255,.46),rgba(45,107,255,0) 62%);animation:fxA1 26s ease-in-out infinite;}
.fx-aurora i:nth-child(2){width:48%;right:-8%;top:-6%;
  background:radial-gradient(circle,rgba(34,211,238,.34),rgba(34,211,238,0) 62%);animation:fxA2 33s ease-in-out infinite;}
.fx-aurora i:nth-child(3){width:44%;left:30%;bottom:-26%;
  background:radial-gradient(circle,rgba(124,92,255,.30),rgba(124,92,255,0) 64%);animation:fxA1 29s ease-in-out infinite reverse;}
.fx-aurora i:nth-child(4){width:30%;right:22%;bottom:6%;
  background:radial-gradient(circle,rgba(16,185,129,.20),rgba(16,185,129,0) 66%);animation:fxA2 24s ease-in-out infinite reverse;}
@keyframes fxA1{0%,100%{transform:translate3d(0,0,0) scale(1);}50%{transform:translate3d(5%,7%,0) scale(1.16);}}
@keyframes fxA2{0%,100%{transform:translate3d(0,0,0) scale(1.08);}50%{transform:translate3d(-6%,5%,0) scale(1);}}

/* 4.3 下扫光带 */
.fx-scanline{position:absolute;left:0;right:0;height:220px;top:-220px;z-index:1;pointer-events:none;
  background:linear-gradient(180deg,transparent,rgba(34,211,238,.07) 60%,rgba(34,211,238,.14),transparent);
  animation:fxScan 8.5s linear infinite;}
@keyframes fxScan{0%{top:-220px;}100%{top:104%;}}

/* 4.4 岗位轮播条 */
.fx-rotbar{position:relative;display:inline-flex;align-items:center;gap:11px;
  margin:22px 0 0;padding:8px 15px 8px 12px;border-radius:9px;
  background:rgba(125,170,255,.07);border:1px solid rgba(125,170,255,.22);
  backdrop-filter:blur(6px);}
.fx-rotbar .rl{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;
  color:var(--cy);text-transform:uppercase;flex-shrink:0;}
.fx-rotbar .rl::after{content:"";display:inline-block;width:1px;height:11px;margin-left:11px;
  background:rgba(125,170,255,.4);vertical-align:-1px;}
.fx-rot{position:relative;font-size:14px;font-weight:700;color:#fff;min-width:1px;overflow:hidden;}
.fx-rot>span{display:inline-block;transition:opacity .32s ease,transform .32s var(--fx-ease);}

.fx-type i{display:inline-block;font-style:inherit;}

html.fx-js .fx-type i{opacity:0;
  animation:fxCharIn .34s var(--fx-ease-out) both;
  animation-delay:calc(var(--fx-type-delay,1.35s) + var(--i,0) * 58ms);}
@keyframes fxCharIn{from{opacity:0;}to{opacity:1;}}

html.fx-js .fx-type::after{content:"";display:inline-block;width:3px;height:.8em;margin-left:6px;
  vertical-align:-.06em;border-radius:1px;background:var(--cy);box-shadow:0 0 10px rgba(34,211,238,.7);
  animation:fxCaret .58s steps(1,end) infinite,fxCaretOut .3s linear 2.5s forwards;}
@keyframes fxCaret{0%,49%{opacity:1;}50%,100%{opacity:0;}}
@keyframes fxCaretOut{to{opacity:0;visibility:hidden;}}
.fx-type em.fx-split{background-image:none;}
@media(prefers-reduced-motion:reduce){
  html.fx-js .fx-type i{opacity:1;animation:none;}
  html.fx-js .fx-type::after{display:none;}
}

/* 4.5 滚动提示 */
.fx-hint{position:absolute;left:50%;bottom:20px;transform:translateX(-50%);z-index:2;
  display:flex;flex-direction:column;align-items:center;gap:7px;pointer-events:none;}
.fx-hint .tx{font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--deep-mut);}
.fx-hint .ln{position:relative;width:1px;height:34px;background:rgba(125,170,255,.28);overflow:hidden;}
.fx-hint .ln::after{content:"";position:absolute;left:0;top:-40%;width:1px;height:40%;
  background:linear-gradient(180deg,transparent,var(--cy));animation:fxHint 2.1s var(--fx-ease) infinite;}
@keyframes fxHint{0%{top:-40%;}70%,100%{top:100%;}}

.board{transform-origin:50% 50%;}
.board::after{opacity:1;}

/* ===========================================================
   5. 技术栈跑马灯
   =========================================================== */
.fx-ticker{position:relative;overflow:hidden;padding:12px 0;
  background:linear-gradient(180deg,#0B1730,#0E1B32);
  border-top:1px solid rgba(34,211,238,.16);border-bottom:1px solid rgba(125,170,255,.16);}
.fx-ticker::before,.fx-ticker::after{content:"";position:absolute;top:0;bottom:0;width:90px;z-index:2;pointer-events:none;}
.fx-ticker::before{left:0;background:linear-gradient(90deg,#0B1730,rgba(11,23,48,0));}
.fx-ticker::after{right:0;background:linear-gradient(270deg,#0B1730,rgba(11,23,48,0));}
.fx-ticker-track{display:flex;width:max-content;animation:fxMarquee 42s linear infinite;}
.fx-ticker:hover .fx-ticker-track{animation-play-state:paused;}
.fx-ticker .grp{display:flex;align-items:center;gap:30px;padding-right:30px;white-space:nowrap;}
.fx-ticker .grp span{display:inline-flex;align-items:center;gap:30px;
  font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;color:rgba(147,163,192,.92);}
.fx-ticker .grp span::after{content:"";width:4px;height:4px;border-radius:50%;
  background:rgba(34,211,238,.55);}
.fx-ticker .grp b{color:var(--cy);font-weight:700;}
@keyframes fxMarquee{to{transform:translate3d(-50%,0,0);}}

/* ===========================================================
   6. 数据带：读数条 + 底色光晕
   =========================================================== */
.data-strip{position:relative;overflow:hidden;}
.data-strip::after{content:"";position:absolute;left:50%;top:-60%;transform:translateX(-50%);
  width:900px;height:320px;pointer-events:none;
  background:radial-gradient(ellipse at center,rgba(45,107,255,.10),transparent 68%);}
.data-strip .container{position:relative;z-index:1;}
.data-strip .cell{position:relative;}
.data-strip .cell::before{content:"";position:absolute;left:50%;bottom:-16px;height:2px;width:0;
  transform:translateX(-50%);border-radius:2px;
  background:linear-gradient(90deg,var(--ai),var(--cy));
  transition:width 1.3s var(--fx-ease) .15s;}
.data-strip.in .cell::before{width:var(--bw,42%);}
.data-strip .cell:nth-child(1){--bw:38%;}
.data-strip .cell:nth-child(2){--bw:58%;}
.data-strip .cell:nth-child(3){--bw:98%;}
.data-strip .big{position:relative;}
.data-strip .cell:hover .big{text-shadow:0 6px 24px rgba(45,107,255,.28);}

.fx-tl{position:relative;}
.fx-tl::before{content:"";position:absolute;left:10px;top:26px;bottom:26px;width:1px;
  background:linear-gradient(180deg,transparent,rgba(45,107,255,.28) 8%,rgba(45,107,255,.28) 92%,transparent);z-index:0;}
.fx-tl::after{content:"";position:absolute;left:10px;top:26px;width:1px;z-index:0;
  height:calc(var(--p,0) * (100% - 52px));
  background:linear-gradient(180deg,var(--ai),var(--cy));
  box-shadow:0 0 10px rgba(34,211,238,.6);
  transition:height .2s linear;}
.fx-tl .plan-row{position:relative;z-index:1;}
.fx-tl .plan-row::after{content:"";position:absolute;left:5.5px;top:50%;width:10px;height:10px;margin-top:-5px;
  border-radius:50%;background:var(--card);border:2px solid var(--line-2);
  transition:border-color .35s,box-shadow .35s,transform .35s var(--fx-ease);}
.fx-tl .plan-row.on::after{border-color:var(--cy);background:var(--deep);
  box-shadow:0 0 0 4px rgba(34,211,238,.15),0 0 12px rgba(34,211,238,.55);transform:scale(1.15);}
.fx-tl .plan-row:hover::after{border-color:var(--ai);}
.fx-tl .plan-row .wk{position:relative;}

.fx-chain .chain-i{position:relative;overflow:hidden;}
.fx-chain .chain-i::after{content:"";position:absolute;left:0;top:0;height:2px;width:0;opacity:0;
  background:linear-gradient(90deg,rgba(45,107,255,0),var(--cy),rgba(34,211,238,0));
  animation:fxPipe 3.6s linear infinite;animation-delay:calc(var(--i,0) * .24s);}
@keyframes fxPipe{
  0%{width:0;opacity:0;left:0;}
  10%{opacity:1;}
  60%{width:100%;opacity:1;left:0;}
  61%{opacity:0;}
  100%{width:100%;opacity:0;left:0;}
}
.fx-chain .chain-i .cn{position:relative;}
.fx-chain .chain-i .cn::after{content:"";position:absolute;right:-4px;top:-3px;width:5px;height:5px;
  border-radius:50%;background:var(--cy);opacity:.45;
  animation:fxNode 3.6s ease-in-out infinite;animation-delay:calc(var(--i,0) * .24s);}
@keyframes fxNode{0%,70%,100%{opacity:.28;transform:scale(1);}30%{opacity:1;transform:scale(1.5);}}
.fx-chain .chain-i{transition:border-color .25s,transform .25s var(--fx-ease);}
.fx-chain .chain-i:hover{border-color:#B9CBF5;transform:translateY(-2px);}
.fx-chain .chain-i:nth-child(1){--i:0;}
.fx-chain .chain-i:nth-child(2){--i:1;}
.fx-chain .chain-i:nth-child(3){--i:2;}
.fx-chain .chain-i:nth-child(4){--i:3;}
.fx-chain .chain-i:nth-child(5){--i:4;}
.fx-chain .chain-i:nth-child(6){--i:5;}
.fx-chain .chain-i:nth-child(7){--i:6;}
.fx-chain .chain-i:nth-child(8){--i:7;}

html.fx-js .fx-ladder .ladder-row{
  clip-path:inset(100% 0 0 0);
  transition:clip-path .62s var(--fx-ease-out) calc(var(--i,0) * 110ms);}
html.fx-js .fx-ladder.in .ladder-row{clip-path:inset(0 0 0 0);}

.ladder-row.fx-spot>.fx-spotlight{background:radial-gradient(320px circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,.26),transparent 72%);}

.fx-ph{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:9px;padding:22px 18px;text-align:center;overflow:hidden;
  border-radius:var(--radius);border:1px solid rgba(125,170,255,.3);
  background-color:var(--deep);
  background-image:
    linear-gradient(rgba(125,170,255,.075) 1px,transparent 1px),
    linear-gradient(90deg,rgba(125,170,255,.075) 1px,transparent 1px),
    radial-gradient(120% 110% at 14% 0%,rgba(45,107,255,.20),transparent 58%),
    radial-gradient(120% 110% at 92% 100%,rgba(34,211,238,.16),transparent 60%),
    linear-gradient(180deg,#101F38,#0A1424);
  background-size:24px 24px,24px 24px,100% 100%,100% 100%,100% 100%;
  color:rgba(147,163,192,.92);
  box-shadow:inset 0 1px 0 rgba(125,170,255,.14),0 16px 40px -26px rgba(2,8,20,.9);
}
.fx-ph.lt{
  border-color:#C9D6F4;background-color:#F7F9FE;
  background-image:
    linear-gradient(rgba(45,107,255,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(45,107,255,.07) 1px,transparent 1px),
    radial-gradient(120% 110% at 14% 0%,rgba(45,107,255,.10),transparent 58%),
    radial-gradient(120% 110% at 92% 100%,rgba(34,211,238,.12),transparent 60%),
    linear-gradient(180deg,#FFFFFF,#F1F4FB);
  color:var(--muted);box-shadow:inset 0 1px 0 #fff,0 1px 2px rgba(16,24,40,.03);
}

.fx-ph::before{content:"";position:absolute;inset:13px;pointer-events:none;opacity:.65;
  background-image:
    linear-gradient(to top right,transparent calc(50% - .5px),rgba(125,170,255,.22) calc(50% - .5px) calc(50% + .5px),transparent calc(50% + .5px)),
    linear-gradient(to bottom right,transparent calc(50% - .5px),rgba(125,170,255,.22) calc(50% - .5px) calc(50% + .5px),transparent calc(50% + .5px));
}
.fx-ph.lt::before{background-image:
    linear-gradient(to top right,transparent calc(50% - .5px),rgba(45,107,255,.16) calc(50% - .5px) calc(50% + .5px),transparent calc(50% + .5px)),
    linear-gradient(to bottom right,transparent calc(50% - .5px),rgba(45,107,255,.16) calc(50% - .5px) calc(50% + .5px),transparent calc(50% + .5px));}

.fx-ph::after{content:"";position:absolute;top:0;bottom:0;left:0;width:42%;pointer-events:none;
  background:linear-gradient(100deg,transparent,rgba(125,170,255,.12),transparent);
  will-change:transform;animation:fxSweep 4.6s ease-in-out infinite;}
.fx-ph.lt::after{background:linear-gradient(100deg,transparent,rgba(45,107,255,.09),transparent);}
@keyframes fxSweep{0%{translate:-107% 0;}60%,100%{translate:267% 0;}}
.fx-ph>*{position:relative;z-index:1;}
.fx-ph .pico{display:flex;align-items:center;justify-content:center;width:40px;height:40px;
  border-radius:11px;font-size:20px;color:var(--cy);
  background:rgba(34,211,238,.10);border:1px solid rgba(34,211,238,.3);}
.fx-ph.lt .pico{color:var(--ai);background:var(--ai-soft);border-color:#D7E3FF;}
.fx-ph .pnm{font-size:13.5px;font-weight:700;color:#fff;line-height:1.5;letter-spacing:-.1px;}
.fx-ph.lt .pnm{color:var(--ink);}
.fx-ph .pds{font-size:12px;line-height:1.7;max-width:420px;}
.fx-ph.lt .pds{color:var(--ink-2);}
.fx-ph .pdim{font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;
  border:1px dashed rgba(125,170,255,.4);border-radius:5px;padding:2px 9px;}
.fx-ph.lt .pdim{border-color:#C9D6F4;color:var(--muted);}
/* 四角角标 */
.fx-ph .ptk{position:absolute;inset:11px;pointer-events:none;}
.fx-ph .ptk::before,.fx-ph .ptk::after{content:"";position:absolute;width:11px;height:11px;}
.fx-ph .ptk::before{left:0;top:0;border-left:1px solid rgba(34,211,238,.55);border-top:1px solid rgba(34,211,238,.55);}
.fx-ph .ptk::after{right:0;bottom:0;border-right:1px solid rgba(34,211,238,.55);border-bottom:1px solid rgba(34,211,238,.55);}
.fx-ph.lt .ptk::before,.fx-ph.lt .ptk::after{border-color:rgba(45,107,255,.4);}
/* 比例变体 */
.r219{aspect-ratio:21/9;}
.r169{aspect-ratio:16/9;}
.r43{aspect-ratio:4/3;}
.r11{aspect-ratio:1/1;}
.r34{aspect-ratio:3/4;}
.r32{aspect-ratio:3/2;}

/* 10.1 头像位 */
.fx-av{flex-shrink:0;width:42px;height:42px;border-radius:50%;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:12px;font-weight:800;color:var(--cy);
  background-image:radial-gradient(120% 120% at 20% 0%,rgba(45,107,255,.35),transparent 60%),
                   linear-gradient(160deg,#14243F,#0C1930);
  border:1px solid rgba(125,170,255,.3);box-shadow:inset 0 1px 0 rgba(125,170,255,.18);}
.fx-av.lt{color:var(--ai);background-image:radial-gradient(120% 120% at 20% 0%,rgba(45,107,255,.14),transparent 62%),
  linear-gradient(160deg,#F4F7FE,#E7EDFA);border-color:#CBD8F6;}

/* ===========================================================
   11. 深色区：极光 + 网格加强
   =========================================================== */
.deep-sec,.cta-deep,.doc-hero{isolation:isolate;}
.deep-sec .cnt,.cta-deep .cnt,.doc-hero .cnt{position:relative;z-index:2;}
.cta-deep .fx-aurora i:nth-child(1){background:radial-gradient(circle,rgba(45,107,255,.4),rgba(45,107,255,0) 62%);}

/* 11.1 表单聚焦：外发光 */
.field input:focus,.field select:focus{outline:none;
  box-shadow:inset 0 1px 2px rgba(16,24,40,.02),0 0 0 3px rgba(45,107,255,.16),0 0 22px -4px rgba(45,107,255,.5);}

/* ===========================================================
   12. 其它细节
   =========================================================== */

.layui-colla-item{transition:box-shadow .25s,border-color .25s;}
.layui-colla-title .pre{color:var(--ai);font-family:var(--mono);font-weight:800;}
.layui-colla-item.layui-colla-item-on,.layui-colla-item:has(.layui-show){
  border-color:#C7D5F5 !important;box-shadow:var(--t-panel-h);}

.stu-row{transition:background .25s,transform .25s var(--fx-ease);}
.stu-row:hover{background:linear-gradient(90deg,var(--ai-soft),rgba(233,240,255,0));transform:translateX(3px);}
.stu-row .pay{position:relative;}
.stu-row:hover .pay{text-shadow:0 4px 18px rgba(16,185,129,.35);}

.kl .left .n{position:relative;}
.kl .st{transition:transform .3s var(--fx-ease);}
.kl:hover .st{transform:scale(1.14) rotate(-6deg);}

.way.good{position:relative;}
.way.good::after{content:"";position:absolute;inset:-1px;border-radius:inherit;pointer-events:none;
  background:linear-gradient(140deg,rgba(34,211,238,.55),transparent 46%,rgba(45,107,255,.5));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  mask-composite:exclude;padding:1px;opacity:.75;}

[data-num]{font-variant-numeric:tabular-nums;}

[id]{scroll-margin-top:86px;}

@media(max-width:1023px){
  .fx-grain,.fx-cursor{display:none;}
  .fx-aurora{opacity:.75;}
  .fx-hint{display:none;}

  .fx-grad,.hero h1 em,.doc-hero h1 em{animation:none;}

  .fx-scanline{animation:none;top:34%;}
}
@media(max-width:640px){
  .fx-ticker .grp{gap:20px;padding-right:20px;}
  .fx-ticker .grp span{gap:20px;font-size:11.5px;}
  .fx-tl::before,.fx-tl::after{left:6px;}
  .fx-tl .plan-row::after{left:1.5px;width:9px;height:9px;margin-top:-4.5px;}
  .fx-ph{padding:18px 14px;gap:7px;}
  .fx-ph .pico{width:34px;height:34px;font-size:17px;}
  .fx-ph .pnm{font-size:12.5px;}
  .fx-ph .pds{font-size:11.5px;}
  .fx-ph::before{inset:9px;}
  .fx-ph .ptk{inset:7px;}
  .fx-rotbar{width:100%;}
  .fx-rot{font-size:13px;}
}

@media (hover:none),(pointer:coarse){
  .fx-cursor{display:none;}
  .fx-tilt{transform:none !important;}
  .fx-grad,.hero h1 em,.doc-hero h1 em{animation:none;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;}
  html.fx-js .fx-stagger>*{opacity:1 !important;transform:none !important;}
  html.fx-js .fx-up{clip-path:none !important;opacity:1 !important;transform:none !important;}
  .fx-tl::after{height:100%;}
  html.fx-js .fx-ladder .ladder-row{clip-path:none;}
  .data-strip .cell::before{width:var(--bw,42%);}
  .fx-loader{animation-duration:.4s !important;animation-delay:0s !important;}
}

.fx-ph-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:760px){
  .fx-ph-grid.c2{grid-template-columns:1fr 1fr;}
  .fx-ph-grid.c3{grid-template-columns:repeat(3,1fr);}
}

.stu-row .who{display:flex;align-items:center;gap:12px;}
.stu-row .who .nm{min-width:0;}

.stu-row:has(.fx-av) .who::before{display:none;}

@media(max-width:1279px){.fx-hint{display:none;}}