@charset "UTF-8";
:root{
  --f-bg-0:#050b1f;
  --f-bg-1:#0a1230;
  --f-bg-2:#101b45;
  --f-ink:#e7ecff;
  --f-ink-soft:#a8b3e0;
  --f-ink-dim:#6b78a8;
  --f-line:rgba(100,180,255,.15);
  --f-cyan:#00e5ff;
  --f-cyan-2:#4fc3f7;
  --f-blue:#2979ff;
  --f-purple:#7c4dff;
  --f-glass:rgba(20,30,70,.45);
  --f-glass-brd:rgba(100,180,255,.25);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body.f-body{
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  background:linear-gradient(160deg,var(--f-bg-0),var(--f-bg-1) 50%,var(--f-bg-2));
  background-attachment:fixed;
  color:var(--f-ink);line-height:1.75;font-weight:400;font-size:15px;
  min-height:100vh;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body.f-body::before{
  content:"";position:fixed;inset:0;z-index:-3;
  background:radial-gradient(ellipse at 20% 10%,rgba(41,121,255,.18),transparent 50%),
             radial-gradient(ellipse at 80% 80%,rgba(0,229,255,.12),transparent 55%);
}
.f-bg-grid{
  position:fixed;inset:0;z-index:-2;pointer-events:none;
  background-image:
    linear-gradient(rgba(100,180,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(100,180,255,.05) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse at center,#000 40%,transparent 80%);
}
.f-bg-glow{position:fixed;border-radius:50%;filter:blur(100px);opacity:.4;z-index:-1;pointer-events:none}
.f-bg-glow--1{width:500px;height:500px;background:var(--f-blue);top:-150px;left:-100px}
.f-bg-glow--2{width:600px;height:600px;background:var(--f-cyan);bottom:-200px;right:-150px;opacity:.25}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{cursor:pointer;border:none;background:none;font-family:inherit;color:inherit}
ul,ol{list-style:none}
input,select,textarea{font-family:inherit}

.f-container{max-width:1240px;margin:0 auto;padding:0 32px}
.f-container--narrow{max-width:880px}

/* Header */
.f-header{
  position:sticky;top:0;z-index:100;
  background:rgba(8,14,40,.75);
  backdrop-filter:blur(20px);
  border-bottom:1px solid var(--f-line);
}
.f-header__inner{
  max-width:1380px;margin:0 auto;padding:14px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.f-logo{display:flex;align-items:center;gap:12px;color:var(--f-ink)}
.f-logo__icon{
  width:40px;height:40px;border-radius:10px;
  background:linear-gradient(135deg,var(--f-cyan),var(--f-blue));
  color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 24px rgba(0,229,255,.35);
}
.f-logo__text{font-size:17px;font-weight:700;letter-spacing:1px;background:linear-gradient(90deg,var(--f-cyan),#fff);-webkit-background-clip:text;background-clip:text;color:transparent}
.f-nav{display:flex;gap:4px}
.f-nav__link{
  padding:10px 16px;font-size:14px;color:var(--f-ink-soft);
  position:relative;transition:color .3s;border-radius:6px;
}
.f-nav__link:hover{color:var(--f-cyan);background:rgba(0,229,255,.08)}
.f-header__right{display:flex;align-items:center;gap:14px}
.f-cta-btn{
  display:flex;align-items:center;gap:8px;padding:8px 18px;border-radius:40px;
  background:linear-gradient(135deg,var(--f-cyan),var(--f-blue));
  color:#fff;font-size:14px;font-weight:500;
  box-shadow:0 4px 20px rgba(0,229,255,.3);transition:transform .3s;
}
.f-cta-btn:hover{transform:translateY(-2px)}
.f-menu-btn{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;align-items:center;gap:5px;border-radius:8px;border:1px solid var(--f-glass-brd)}
.f-menu-btn span{display:block;width:22px;height:2px;background:var(--f-cyan);transition:.3s;border-radius:1px}
.f-menu-btn.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.f-menu-btn.active span:nth-child(2){opacity:0}
.f-menu-btn.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Glass */
.f-glass{
  background:var(--f-glass);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border:1px solid var(--f-glass-brd);
  border-radius:20px;
}

/* Hero */
.f-hero{padding:80px 0 100px;position:relative}
.f-hero__inner{
  max-width:1280px;margin:0 auto;padding:0 32px;
  display:grid;grid-template-columns:1.1fr 1fr;gap:70px;align-items:center;
}
.f-hero__badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:6px 14px;border-radius:40px;font-size:11px;letter-spacing:2px;
  font-family:"Orbitron",monospace;color:var(--f-cyan);
  border:1px solid rgba(0,229,255,.3);background:rgba(0,229,255,.08);
  margin-bottom:28px;
}
.f-dot{width:6px;height:6px;border-radius:50%;background:var(--f-cyan);box-shadow:0 0 10px var(--f-cyan);animation:f-pulse 2s infinite}
@keyframes f-pulse{0%,100%{opacity:1}50%{opacity:.4}}
.f-hero__title-main{
  display:block;font-size:56px;font-weight:700;line-height:1.1;letter-spacing:2px;
  background:linear-gradient(135deg,#fff 0%,var(--f-cyan) 50%,var(--f-cyan-2) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:16px;
}
.f-hero__title-sub{display:block;font-size:22px;font-weight:400;color:var(--f-ink-soft);letter-spacing:1px;line-height:1.5}
.mobile-only{display:none}
.f-hero__desc{color:var(--f-ink-soft);font-size:15px;line-height:2;margin:32px 0 40px;max-width:540px}
.f-hero__cta{display:flex;gap:16px;margin-bottom:40px;flex-wrap:wrap}
.f-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:10px;font-size:14px;font-weight:500;
  letter-spacing:1px;transition:all .3s;border:1px solid transparent;
}
.f-btn--primary{
  background:linear-gradient(135deg,var(--f-cyan),var(--f-blue));
  color:#fff;box-shadow:0 8px 24px rgba(0,229,255,.25);
}
.f-btn--primary:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(0,229,255,.4)}
.f-btn--glass{background:var(--f-glass);border-color:var(--f-glass-brd);color:var(--f-ink);backdrop-filter:blur(12px)}
.f-btn--glass:hover{background:rgba(0,229,255,.15);border-color:var(--f-cyan);color:var(--f-cyan)}
.f-btn--full{width:100%}
.f-hero__contact{display:flex;align-items:center;gap:16px;padding-top:28px;border-top:1px solid var(--f-line);margin-bottom:32px}
.f-hero__contact-label{font-size:12px;color:var(--f-ink-dim);letter-spacing:2px;font-family:"Orbitron",monospace}
.f-hero__contact-num{font-family:"Orbitron",monospace;font-size:24px;color:var(--f-cyan);font-weight:600;letter-spacing:2px}
.f-hero__stats{display:flex;gap:40px}
.f-stat{display:flex;align-items:baseline;gap:8px}
.f-stat__num{font-family:"Orbitron",monospace;font-size:32px;font-weight:700;color:var(--f-cyan);text-shadow:0 0 20px rgba(0,229,255,.5)}
.f-stat__label{font-size:12px;color:var(--f-ink-dim);letter-spacing:1px}
.f-hero__visual{position:relative}
.f-hero__img-wrap{position:relative;border-radius:24px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.f-hero__img{width:100%;aspect-ratio:4/5;object-fit:cover}
.f-hero__img-glow{position:absolute;inset:-2px;border-radius:26px;background:linear-gradient(135deg,var(--f-cyan),var(--f-purple));z-index:-1;filter:blur(20px);opacity:.5}
.f-hero__float{
  position:absolute;padding:12px 18px;border-radius:12px;
  background:var(--f-glass);backdrop-filter:blur(16px);
  border:1px solid var(--f-glass-brd);font-size:12px;
}
.f-hero__float--1{top:10%;left:-30px;animation:f-float 4s ease-in-out infinite}
.f-hero__float--2{top:40%;right:-40px;animation:f-float 5s ease-in-out infinite 1s}
.f-hero__float--3{bottom:15%;left:-20px;animation:f-float 4.5s ease-in-out infinite .5s}
@keyframes f-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.f-float__label{display:block;font-family:"Orbitron",monospace;font-size:10px;color:var(--f-cyan);letter-spacing:1px}
.f-float__val{display:block;color:var(--f-ink);margin-top:2px}

/* Sections common */
.f-section-head{text-align:center;margin-bottom:60px}
.f-section__tag{
  display:inline-block;font-family:"Orbitron",monospace;font-size:11px;
  letter-spacing:3px;color:var(--f-cyan);margin-bottom:16px;
  padding:4px 12px;border:1px solid rgba(0,229,255,.3);border-radius:4px;
  background:rgba(0,229,255,.06);
}
.f-section__title{
  font-size:38px;font-weight:700;letter-spacing:2px;margin-bottom:20px;
  background:linear-gradient(90deg,#fff,var(--f-cyan-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.f-section__desc{color:var(--f-ink-soft);font-size:15px;line-height:2;max-width:720px;margin:0 auto}

/* Tech */
.f-tech{padding:110px 0;position:relative}
.f-tech__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.f-tech-card{
  position:relative;padding:36px 32px;border-radius:20px;
  background:var(--f-glass);backdrop-filter:blur(16px);
  border:1px solid var(--f-glass-brd);
  overflow:hidden;transition:transform .4s,border-color .4s;
}
.f-tech-card:hover{transform:translateY(-8px);border-color:var(--f-cyan)}
.f-tech-card--active{border-color:var(--f-cyan);box-shadow:0 0 40px rgba(0,229,255,.15)}
.f-tech-card__num{
  font-family:"Orbitron",monospace;font-size:32px;font-weight:700;
  background:linear-gradient(135deg,var(--f-cyan),var(--f-blue));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  display:flex;align-items:baseline;gap:12px;margin-bottom:20px;
}
.f-tech-card__num span{font-size:13px;color:var(--f-ink-dim);-webkit-text-fill-color:var(--f-ink-dim)}
.f-tech-card__title{font-size:22px;font-weight:700;margin-bottom:6px}
.f-tech-card__sub{font-size:13px;color:var(--f-cyan);letter-spacing:1px;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--f-line)}
.f-tech-card__body h4{font-size:14px;color:var(--f-cyan);margin:20px 0 10px;letter-spacing:1px}
.f-tech-card__body h4:first-child{margin-top:0}
.f-tech-card__body p{font-size:13px;color:var(--f-ink-soft);line-height:1.9}
.f-tech-card__body ul li{font-size:13px;color:var(--f-ink-soft);padding:5px 0;line-height:1.7}
.f-tech-card__glow{
  position:absolute;top:-50%;left:-50%;width:200%;height:200%;
  background:radial-gradient(circle,rgba(0,229,255,.08),transparent 60%);
  opacity:0;transition:opacity .4s;pointer-events:none;
}
.f-tech-card:hover .f-tech-card__glow{opacity:1}

/* Services */
.f-services{padding:110px 0}
.f-services__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.f-svc-card{
  padding:28px 24px;border-radius:16px;
  background:var(--f-glass);backdrop-filter:blur(16px);
  border:1px solid var(--f-glass-brd);
  transition:all .4s;position:relative;overflow:hidden;
  display:flex;flex-direction:column;
}
.f-svc-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--f-cyan),transparent);
  transform:scaleX(0);transition:transform .4s;
}
.f-svc-card:hover{transform:translateY(-6px);border-color:var(--f-cyan);box-shadow:0 16px 40px rgba(0,229,255,.15)}
.f-svc-card:hover::before{transform:scaleX(1)}
.f-svc-card__icon{
  width:52px;height:52px;border-radius:14px;
  background:linear-gradient(135deg,rgba(0,229,255,.15),rgba(41,121,255,.15));
  color:var(--f-cyan);display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;border:1px solid var(--f-glass-brd);
}
.f-svc-card__icon svg{width:24px;height:24px}
.f-svc-card h4{font-size:17px;font-weight:600;margin-bottom:10px}
.f-svc-card p{font-size:13px;color:var(--f-ink-soft);line-height:1.8;flex-grow:1;margin-bottom:16px}
.f-svc-card__arrow{font-size:18px;color:var(--f-cyan);transition:transform .3s}
.f-svc-card:hover .f-svc-card__arrow{transform:translateX(6px)}

/* Lab */
.f-lab{padding:110px 0}
.f-lab__grid{display:grid;grid-template-columns:1.1fr 1fr;gap:80px;align-items:center}
.f-lab__points{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:32px}
.f-lab-point{
  padding:20px;border-radius:14px;
  background:var(--f-glass);backdrop-filter:blur(12px);
  border:1px solid var(--f-glass-brd);
}
.f-lab-point__icon{color:var(--f-cyan);font-size:20px;display:block;margin-bottom:8px}
.f-lab-point h5{font-size:15px;margin-bottom:6px}
.f-lab-point p{font-size:12px;color:var(--f-ink-dim);line-height:1.7}
.f-lab__visual{display:flex;justify-content:center;align-items:center;min-height:400px}
.f-lab__circle{position:relative;width:380px;height:380px;display:flex;align-items:center;justify-content:center}
.f-lab__ring{position:absolute;border-radius:50%;border:1px solid rgba(0,229,255,.3)}
.f-lab__ring--1{width:100%;height:100%;border-color:rgba(0,229,255,.2);animation:f-spin 30s linear infinite;border-top-color:var(--f-cyan);border-right-color:transparent}
.f-lab__ring--2{width:78%;height:78%;border-color:rgba(124,77,255,.3);animation:f-spin 20s linear infinite reverse;border-bottom-color:var(--f-purple)}
.f-lab__ring--3{width:56%;height:56%;border-color:rgba(79,195,247,.4);animation:f-spin 15s linear infinite;border-left-color:var(--f-cyan-2)}
@keyframes f-spin{to{transform:rotate(360deg)}}
.f-lab__core{
  width:130px;height:130px;border-radius:50%;
  background:linear-gradient(135deg,var(--f-cyan),var(--f-blue));
  display:flex;align-items:center;justify-content:center;
  font-family:"Orbitron",monospace;font-size:13px;font-weight:600;color:#fff;
  text-align:center;line-height:1.4;
  box-shadow:0 0 60px rgba(0,229,255,.5);z-index:2;
}

/* Process */
.f-process{padding:110px 0}
.f-process__flow{display:grid;grid-template-columns:repeat(6,1fr);gap:0;position:relative}
.f-step{position:relative;padding:28px 16px;text-align:center}
.f-step__num{
  font-family:"Orbitron",monospace;font-size:28px;font-weight:700;
  background:linear-gradient(135deg,var(--f-cyan),var(--f-blue));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:16px;
}
.f-step__line{
  position:absolute;top:48px;left:calc(50% + 30px);right:calc(-50% + 30px);
  height:1px;background:linear-gradient(90deg,var(--f-cyan),transparent);
}
.f-step:last-child .f-step__line{display:none}
.f-step h4{font-size:15px;font-weight:600;margin-bottom:10px}
.f-step p{font-size:12px;color:var(--f-ink-soft);line-height:1.8;text-align:left}
.f-process__note{text-align:center;color:var(--f-ink-dim);font-size:13px;margin-top:40px;padding-top:24px;border-top:1px solid var(--f-line)}

/* QA */
.f-qa{padding:110px 0}
.f-faq{display:flex;flex-direction:column;gap:12px}
.f-faq__item{
  background:var(--f-glass);backdrop-filter:blur(12px);
  border:1px solid var(--f-glass-brd);border-radius:14px;overflow:hidden;
  transition:border-color .3s;
}
.f-faq__item[open]{border-color:var(--f-cyan)}
.f-faq__item summary{
  padding:20px 24px;cursor:pointer;list-style:none;
  display:flex;align-items:center;gap:16px;font-size:15px;font-weight:500;
}
.f-faq__item summary::-webkit-details-marker{display:none}
.f-faq__q{
  flex:0 0 32px;height:32px;border-radius:8px;
  background:linear-gradient(135deg,var(--f-cyan),var(--f-blue));
  color:#fff;font-family:"Orbitron",monospace;font-size:14px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.f-faq__a{padding:0 24px 24px;display:flex;gap:16px;color:var(--f-ink-soft);font-size:14px;line-height:2}
.f-faq__a-mark{
  flex:0 0 32px;height:32px;border-radius:8px;
  background:rgba(124,77,255,.15);color:var(--f-purple);
  font-weight:700;display:flex;align-items:center;justify-content:center;
}
.f-faq__a div{flex:1}

/* About */
.f-about{padding:100px 0}
.f-about__card{padding:56px}
.f-about__grid{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}
.f-about__desc{color:var(--f-ink-soft);line-height:2;margin-top:24px}
.f-about__list{display:flex;flex-direction:column;gap:10px}
.f-about__list li{font-size:14px;color:var(--f-ink-soft);padding:10px 16px;border-left:2px solid var(--f-cyan);background:rgba(0,229,255,.05)}

/* News */
.f-news{padding:110px 0}
ul.article-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; list-style: none; margin: 0; padding: 0; width: 100%; box-sizing: border-box; }
ul.article-cards > li.article-card { min-width: 0; width: auto; max-width: none; margin: 0; float: none; box-sizing: border-box; background:var(--f-glass);backdrop-filter:blur(12px);border:1px solid var(--f-glass-brd);border-radius:16px;overflow:hidden;transition:all .4s;}
ul.article-cards > li.article-card:hover{transform:translateY(-6px);border-color:var(--f-cyan);box-shadow:0 20px 40px rgba(0,229,255,.15)}
.article-card .card-thumb { width: 100%; overflow: hidden; aspect-ratio:16/10;position:relative;}
.article-card .card-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(5,11,31,.6));}
.article-card .card-thumb img { display: block; width: 100%; max-width: 100%; height: 100%; object-fit: cover; transition:transform .5s;}
ul.article-cards > li.article-card:hover .card-thumb img{transform:scale(1.08)}
.article-card .card-title { overflow-wrap: anywhere; font-size:16px;font-weight:600;padding:20px 20px 8px;color:var(--f-ink);line-height:1.6;}
.article-card .card-date { display: block; font-size:11px;font-family:"Orbitron",monospace;color:var(--f-cyan);padding:0 20px;letter-spacing:1px;}
.article-card .card-summary { overflow-wrap: anywhere; font-size:13px;color:var(--f-ink-soft);line-height:1.8;padding:8px 20px 24px;}

/* Contact */
.f-contact{padding:100px 0 120px}
.f-contact__card{padding:56px}
.f-contact__grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:flex-start}
.f-contact__desc{color:var(--f-ink-soft);line-height:2;margin:24px 0 28px}
.f-contact__phone{
  display:flex;flex-direction:column;gap:8px;
  padding:24px;border-radius:14px;
  background:linear-gradient(135deg,rgba(0,229,255,.1),rgba(41,121,255,.1));
  border:1px solid var(--f-glass-brd);margin-bottom:24px;
}
.f-contact__phone-label{font-size:12px;color:var(--f-ink-dim);letter-spacing:2px;font-family:"Orbitron",monospace}
.f-contact__phone-num{font-family:"Orbitron",monospace;font-size:28px;color:var(--f-cyan);font-weight:700;letter-spacing:2px}
.f-contact__tips li{font-size:13px;color:var(--f-ink-soft);padding:6px 0}
.f-form{padding:32px;border-radius:16px;background:rgba(5,11,31,.4);border:1px solid var(--f-glass-brd)}
.f-form h3{font-size:18px;margin-bottom:24px;text-align:center;font-weight:600}
.f-form__row{margin-bottom:14px}
.f-form__row input,.f-form__row select,.f-form__row textarea{
  width:100%;padding:12px 16px;border-radius:8px;
  background:rgba(255,255,255,.04);border:1px solid var(--f-glass-brd);
  color:var(--f-ink);font-size:14px;transition:border-color .3s;
}
.f-form__row input::placeholder,.f-form__row textarea::placeholder{color:var(--f-ink-dim)}
.f-form__row input:focus,.f-form__row select:focus,.f-form__row textarea:focus{outline:none;border-color:var(--f-cyan);background:rgba(0,229,255,.05)}
.f-form__tip{font-size:11px;color:var(--f-ink-dim);text-align:center;margin-top:14px;line-height:1.6}

/* Article */
.f-breadcrumb{padding-top:60px;font-size:12px;color:var(--f-ink-dim);margin-bottom:40px;letter-spacing:1px}
.f-breadcrumb a{color:var(--f-cyan)}
.f-article__title{font-size:34px;font-weight:700;line-height:1.4;margin-bottom:20px;background:linear-gradient(90deg,#fff,var(--f-cyan-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.f-article__summary{font-size:15px;color:var(--f-ink-soft);line-height:2;padding:20px 24px;border-left:3px solid var(--f-cyan);background:var(--f-glass);border-radius:0 12px 12px 0;margin-bottom:24px;backdrop-filter:blur(12px)}
.f-article__meta{display:flex;gap:20px;font-size:12px;color:var(--f-ink-dim);margin-bottom:28px;padding-bottom:24px;border-bottom:1px solid var(--f-line)}
.f-article__tag{padding:3px 12px;border-radius:4px;background:linear-gradient(135deg,var(--f-cyan),var(--f-blue));color:#fff;font-size:11px;font-family:"Orbitron",monospace}
.f-article__cover{margin-bottom:40px;border-radius:16px;overflow:hidden}
.f-article__cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.f-article__content{font-size:15px;line-height:2;color:var(--f-ink)}
.f-article__content p{margin-bottom:24px}
.f-article__content h2,.f-article__content h3{margin:40px 0 16px;font-weight:700;letter-spacing:1px}
.f-article__content h2{font-size:24px;color:var(--f-cyan)}
.f-article__content h3{font-size:19px}
.f-article__content img{border-radius:12px;margin:24px 0;box-shadow:0 10px 30px rgba(0,0,0,.3)}
.f-article__content ul,.f-article__content ol{margin:0 0 24px 24px}
.f-article__content ul li,.f-article__content ol li{margin-bottom:8px;color:var(--f-ink-soft);list-style:disc}
.f-disclaimer{margin-top:60px;padding:28px;border-radius:16px;background:rgba(255,200,0,.06);border-color:rgba(255,200,0,.3)}
.f-disclaimer h4{color:#ffc107;margin-bottom:12px;font-size:15px}
.f-disclaimer p{font-size:13px;color:var(--f-ink-soft);line-height:2}
.f-related{margin-top:48px;padding-top:40px;border-top:1px solid var(--f-line)}
.f-related h4{font-size:18px;margin-bottom:20px}
.f-related__grid{display:flex;flex-wrap:wrap;gap:10px}
.f-related__tag{padding:8px 18px;border-radius:40px;font-size:12px;color:var(--f-cyan);border:1px solid var(--f-glass-brd);background:var(--f-glass);transition:all .3s}
.f-related__tag:hover{background:var(--f-cyan);color:#fff}
.f-article__cta{margin-top:48px;display:flex;gap:16px;justify-content:center;padding-bottom:80px;flex-wrap:wrap}

/* Footer */
.f-footer{background:rgba(5,11,31,.8);border-top:1px solid var(--f-line);padding:72px 0 28px;margin-top:80px;backdrop-filter:blur(20px)}
.f-footer__grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1px solid var(--f-line)}
.f-logo--footer .f-logo__text{color:#fff}
.f-footer__desc{margin-top:20px;font-size:13px;color:var(--f-ink-dim);line-height:2}
.f-footer__phone{display:flex;flex-direction:column;gap:4px;margin-top:24px;padding-top:24px;border-top:1px solid var(--f-line)}
.f-footer__phone small{font-size:11px;color:var(--f-ink-dim);letter-spacing:2px;font-family:"Orbitron",monospace}
.f-footer__phone span{font-family:"Orbitron",monospace;font-size:22px;color:var(--f-cyan);font-weight:600;letter-spacing:1px}
.f-footer__col h5{font-size:14px;color:#fff;margin-bottom:20px;letter-spacing:1px;font-weight:600}
.f-footer__col a{display:block;font-size:13px;color:var(--f-ink-dim);padding:6px 0;transition:color .3s}
.f-footer__col a:hover{color:var(--f-cyan)}
.f-footer__links{padding:32px 0;border-bottom:1px solid var(--f-line)}
.f-footer__links h5{font-size:13px;color:var(--f-ink-dim);margin-bottom:16px;letter-spacing:1px;font-weight:500}
.f-footer__links a{display:inline-block;font-size:12px;color:var(--f-ink-dim);margin-right:16px;margin-bottom:6px;transition:color .3s}
.f-footer__links a:hover{color:var(--f-cyan)}
.f-footer__bottom{padding-top:28px;text-align:center;font-size:12px;color:var(--f-ink-dim);line-height:2}
.f-footer__bottom a{color:var(--f-ink-soft);transition:color .3s;margin:0 6px}
.f-footer__bottom a:hover{color:var(--f-cyan)}
.f-footer__tip{margin-top:6px;color:#5a6490;font-size:11px}

.f-totop{
  position:fixed;right:28px;bottom:28px;width:48px;height:48px;
  border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--f-cyan),var(--f-blue));
  color:#fff;opacity:0;visibility:hidden;transition:all .3s;
  box-shadow:0 8px 24px rgba(0,229,255,.3);z-index:90;
}
.f-totop.show{opacity:1;visibility:visible}
.f-totop:hover{transform:translateY(-3px)}

.f-fade{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}
.f-fade.in{opacity:1;transform:none}

/* Responsive */
@media (max-width:1200px){
  .f-process__flow{grid-template-columns:repeat(3,1fr)}
  .f-step__line{display:none}
  .f-services__grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1024px){
  .f-hero__inner{grid-template-columns:1fr;gap:48px}
  .f-hero__visual{max-width:500px;margin:0 auto}
  .f-tech__grid{grid-template-columns:1fr}
  .f-services__grid{grid-template-columns:repeat(2,1fr)}
  .f-lab__grid{grid-template-columns:1fr;gap:48px}
  .f-lab__circle{width:300px;height:300px}
  .f-about__grid{grid-template-columns:1fr;gap:32px}
  .f-contact__grid{grid-template-columns:1fr;gap:32px}
  .f-footer__grid{grid-template-columns:1fr 1fr;gap:32px}
  .f-about__card,.f-contact__card{padding:36px 24px}
}
@media (max-width:768px){
  .f-container{padding:0 20px}
  .f-header__inner{padding:12px 20px}
  .f-nav{
    position:fixed;top:64px;left:0;right:0;
    background:rgba(8,14,40,.95);backdrop-filter:blur(20px);
    flex-direction:column;padding:20px;gap:0;
    border-bottom:1px solid var(--f-line);
    transform:translateY(-120%);transition:transform .3s;
  }
  .f-nav.open{transform:translateY(0)}
  .f-nav__link{padding:14px 8px;border-bottom:1px solid var(--f-line)}
  .f-cta-btn__text{display:none}
  .f-cta-btn{padding:10px}
  .f-menu-btn{display:flex}
  .f-hero{padding:40px 0 64px}
  .f-hero__title-main{font-size:38px}
  .f-hero__title-sub{font-size:17px}
  .mobile-only{display:inline}
  .f-hero__cta{flex-direction:column}
  .f-hero__cta .f-btn{width:100%}
  .f-hero__stats{gap:20px;flex-wrap:wrap}
  .f-stat__num{font-size:24px}
  .f-hero__float{display:none}
  .f-section__title{font-size:26px}
  .f-tech,.f-services,.f-lab,.f-process,.f-qa,.f-about,.f-news,.f-contact{padding:64px 0}
  .f-services__grid{grid-template-columns:1fr}
  .f-lab__points{grid-template-columns:1fr}
  .f-process__flow{grid-template-columns:1fr 1fr}
  .f-article__title{font-size:24px}
  .f-article__cta{flex-direction:column}
  .f-article__cta .f-btn{width:100%}
  .f-footer__grid{grid-template-columns:1fr;gap:32px}
  .f-totop{right:16px;bottom:16px;width:42px;height:42px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .f-fade{opacity:1;transform:none}
  .f-lab__ring{animation:none}
  .f-dot{animation:none}
  @keyframes f-float{0%,100%{transform:none}}
  .f-hero__float{animation:none}
}