.tsa-container {
  --primary:#0061a9;
  --primary-dark:#004a80;
  --primary-light:#2183d4;
  --accent:#f59e0b;
  --accent-2:#ef4444;
  --bg:#f5f8fc;
  --card:#ffffff;
  --text:#1f2937;
  --muted:#6b7280;
  --border:#e5e7eb;
  --gradient: linear-gradient(135deg,#0061a9 0%,#2183d4 50%,#3b9eea 100%);
  --shadow: 0 10px 30px rgba(0,97,169,.08);
  --shadow-lg:0 20px 50px rgba(0,97,169,.15);
}
.tsa-container *{box-sizing:border-box;margin:0;padding:0;}
.tsa-container html{scroll-behavior:smooth;}
.tsa-container body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  overflow-x:hidden;
}
.tsa-container a{color:inherit;text-decoration:none;}

.tsa-container .tsa-navbar{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(229,231,235,.6);
  transition:all .3s;
}
.tsa-container .tsa-nav-inner{
  max-width:1200px;margin:0 auto;
  padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;
}
.tsa-container .tsa-logo{font-weight:700;font-size:18px;color:var(--primary);display:flex;align-items:center;gap:8px;}
.tsa-container .tsa-logo-dot{width:10px;height:10px;background:var(--gradient);border-radius:50%;box-shadow:0 0 12px var(--primary-light);}
.tsa-container .tsa-nav-links{display:flex;gap:28px;font-size:14px;}
.tsa-container .tsa-nav-links a{color:var(--muted);transition:.2s;position:relative;}
.tsa-container .tsa-nav-links a:hover{color:var(--primary);}
.tsa-container .tsa-nav-links a::after{
  content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;
  background:var(--gradient);transition:.3s;border-radius:2px;
}
.tsa-container .tsa-nav-links a:hover::after{width:100%;}
.tsa-container .tsa-nav-cta{
  background:var(--gradient);color:#fff!important;
  padding:8px 20px;border-radius:24px;font-weight:500;
  box-shadow:0 4px 14px rgba(33,131,212,.3);
}
.tsa-container .tsa-nav-cta:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(33,131,212,.45);}
.tsa-container .tsa-nav-cta::after{display:none;}
.tsa-container .tsa-menu-toggle{display:none;background:none;border:none;font-size:22px;color:var(--primary);cursor:pointer;}

.tsa-container .tsa-top-banner{
  margin-top:60px;
  position:relative;
  height:340px;
  overflow:hidden;
  background:linear-gradient(120deg,#002f5c 0%,#004a80 40%,#0061a9 70%,#2183d4 100%);
}
.tsa-container .tsa-banner-bg{
  position:absolute;inset:0;
  background-image:
    radial-gradient(circle at 15% 30%,rgba(59,158,234,.4) 0,transparent 45%),
    radial-gradient(circle at 85% 20%,rgba(245,158,11,.25) 0,transparent 40%),
    radial-gradient(circle at 70% 80%,rgba(33,131,212,.5) 0,transparent 45%);
}
.tsa-container .tsa-banner-grid{
  position:absolute;inset:0;opacity:.08;
  background-image:
    linear-gradient(rgba(255,255,255,.4) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.4) 1px,transparent 1px);
  background-size:50px 50px;
  transform:skewY(-2deg);
  transform-origin:0;
}
.tsa-container .tsa-banner-deco{position:absolute;inset:0;pointer-events:none;overflow:hidden;}
.tsa-container .tsa-dna{
  position:absolute;right:-40px;top:-60px;
  width:360px;height:500px;opacity:.22;
}
.tsa-container .tsa-dna .tsa-strand{fill:none;stroke:#fff;stroke-width:2;}
.tsa-container .tsa-dna .tsa-bar{stroke:#fbbf24;stroke-width:2;}
.tsa-container .tsa-float-dot{
  position:absolute;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.6),transparent 70%);
  filter:blur(1px);
  animation:tsa-floaty 6s ease-in-out infinite;
}
.tsa-container .tsa-fd1{width:14px;height:14px;top:22%;left:12%;animation-delay:0s;}
.tsa-container .tsa-fd2{width:10px;height:10px;top:60%;left:28%;animation-delay:1.2s;}
.tsa-container .tsa-fd3{width:18px;height:18px;top:30%;left:55%;animation-delay:2.5s;background:radial-gradient(circle,rgba(251,191,36,.7),transparent 70%);}
.tsa-container .tsa-fd4{width:8px;height:8px;top:75%;left:70%;animation-delay:3.3s;}
.tsa-container .tsa-fd5{width:12px;height:12px;top:18%;left:80%;animation-delay:4s;}
@keyframes tsa-floaty{
  0%,100%{transform:translateY(0);opacity:.7;}
  50%{transform:translateY(-18px);opacity:1;}
}
.tsa-container .tsa-banner-content{
  position:relative;z-index:2;
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;
  text-align:center;color:#fff;
}
.tsa-container .tsa-banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 18px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);
  border-radius:30px;font-size:13px;letter-spacing:2px;margin-bottom:20px;
  backdrop-filter:blur(6px);
}
.tsa-container .tsa-banner-tag::before{content:"";width:6px;height:6px;background:#fbbf24;border-radius:50%;box-shadow:0 0 10px #fbbf24;animation:tsa-pulse 1.6s infinite;}
@keyframes tsa-pulse{0%,100%{opacity:1;}50%{opacity:.4;}}
.tsa-container .tsa-banner-title{
  font-size:clamp(30px,5vw,56px);font-weight:800;
  letter-spacing:1px;line-height:1.2;
  text-shadow:0 4px 24px rgba(0,0,0,.25);
  margin-bottom:14px;
}
.tsa-container .tsa-banner-title .tsa-b-gold{background:linear-gradient(90deg,#fde68a,#fbbf24,#f59e0b);-webkit-background-clip:text;background-clip:text;color:transparent;}
.tsa-container .tsa-banner-slogan{font-size:clamp(14px,1.5vw,18px);opacity:.9;letter-spacing:3px;font-weight:300;}
.tsa-container .tsa-banner-wave{
  position:absolute;bottom:-1px;left:0;right:0;height:70px;
  background:var(--bg);
  clip-path:polygon(0 100%,100% 100%,100% 20%,0 80%);
}

.tsa-container .tsa-intro{
  padding:80px 24px 60px;
  background:linear-gradient(180deg,var(--bg) 0,#fff 100%);
}
.tsa-container .tsa-intro-wrap{
  max-width:1200px;margin:0 auto;
  display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;
}
.tsa-container .tsa-intro-text .tsa-int-badge{
  display:inline-block;padding:5px 16px;
  background:linear-gradient(90deg,rgba(33,131,212,.12),rgba(33,131,212,.05));
  border-left:3px solid var(--primary);
  color:var(--primary);font-weight:600;font-size:13px;letter-spacing:1px;
  border-radius:4px;margin-bottom:22px;
}
.tsa-container .tsa-intro-text h2{
  font-size:clamp(24px,3vw,38px);font-weight:800;color:var(--primary-dark);
  line-height:1.3;margin-bottom:18px;
}
.tsa-container .tsa-intro-text h2 .tsa-hl{color:var(--primary);}
.tsa-container .tsa-intro-text .tsa-lead{
  font-size:16px;color:var(--text);line-height:1.9;margin-bottom:24px;
}
.tsa-container .tsa-intro-points{display:grid;grid-template-columns:1fr 1fr;gap:14px 24px;margin-bottom:28px;}
.tsa-container .tsa-ip-item{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text);}
.tsa-container .tsa-ip-dot{
  flex-shrink:0;width:22px;height:22px;border-radius:6px;
  background:var(--gradient);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
  margin-top:2px;
}
.tsa-container .tsa-intro-cta{display:flex;gap:14px;flex-wrap:wrap;}
.tsa-container .tsa-ibtn{
  padding:12px 26px;border-radius:28px;font-size:14px;font-weight:600;
  transition:.3s;cursor:pointer;border:none;display:inline-flex;align-items:center;gap:8px;
}
.tsa-container .tsa-ibtn-primary{background:var(--gradient);color:#fff;box-shadow:0 8px 20px rgba(0,97,169,.25);}
.tsa-container .tsa-ibtn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,97,169,.35);}
.tsa-container .tsa-ibtn-ghost{background:#fff;color:var(--primary);border:1.5px solid var(--primary-light);}
.tsa-container .tsa-ibtn-ghost:hover{background:rgba(33,131,212,.08);}

.tsa-container .tsa-intro-visual{
  position:relative;height:380px;
}
.tsa-container .tsa-iv-card{
  position:absolute;background:#fff;border-radius:20px;
  box-shadow:var(--shadow-lg);padding:22px;
}
.tsa-container .tsa-iv-main{
  top:20px;left:0;right:40px;bottom:20px;
  background:linear-gradient(135deg,#fff,#eff6ff);
  display:flex;flex-direction:column;justify-content:space-between;
  border:1px solid rgba(33,131,212,.15);
}
.tsa-container .tsa-iv-main h4{color:var(--primary-dark);font-size:15px;margin-bottom:10px;display:flex;align-items:center;gap:8px;}
.tsa-container .tsa-iv-main h4::before{content:"";width:8px;height:8px;background:var(--primary);border-radius:50%;}
.tsa-container .tsa-fluor-bar{display:flex;gap:6px;height:60px;margin:12px 0;border-radius:10px;overflow:hidden;}
.tsa-container .tsa-fluor-bar div{flex:1;display:flex;align-items:flex-end;justify-content:center;color:#fff;font-size:11px;font-weight:600;padding-bottom:8px;}
.tsa-container .tsa-iv-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px;}
.tsa-container .tsa-iv-m{background:#fff;border-radius:10px;padding:10px;text-align:center;border:1px solid var(--border);}
.tsa-container .tsa-iv-m .tsa-n{font-size:18px;font-weight:800;color:var(--primary);}
.tsa-container .tsa-iv-m .tsa-l{font-size:11px;color:var(--muted);margin-top:2px;}
.tsa-container .tsa-iv-float1{
  top:0;right:0;width:140px;
  background:linear-gradient(135deg,#fbbf24,#f59e0b);color:#fff;
  transform:rotate(5deg);
}
.tsa-container .tsa-iv-float1 .tsa-big{font-size:28px;font-weight:800;}
.tsa-container .tsa-iv-float1 .tsa-small{font-size:12px;opacity:.9;}
.tsa-container .tsa-iv-float2{
  bottom:0;right:20px;width:160px;
  background:var(--primary-dark);color:#fff;transform:rotate(-4deg);
}
.tsa-container .tsa-iv-float2 .tsa-tag{font-size:11px;opacity:.7;letter-spacing:1px;margin-bottom:6px;}
.tsa-container .tsa-iv-float2 .tsa-t{font-size:13px;font-weight:600;line-height:1.4;}

@media(max-width:768px){
  .tsa-container .tsa-top-banner{height:260px;}
  .tsa-container .tsa-banner-title{letter-spacing:0;}
  .tsa-container .tsa-intro-wrap{grid-template-columns:1fr;gap:30px;}
  .tsa-container .tsa-intro-visual{height:320px;}
  .tsa-container .tsa-intro-points{grid-template-columns:1fr;}
  .tsa-container .tsa-products-grid{grid-template-columns:1fr!important;}
  .tsa-container .tsa-p-ribbon{font-size:10px;padding:4px 10px;}
}

.tsa-container .tsa-products{
  padding:70px 24px;
  background:linear-gradient(180deg,#eef5fb 0,#fff 100%);
  position:relative;
}
.tsa-container .tsa-products::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 100% 0,rgba(33,131,212,.07),transparent 40%);
  pointer-events:none;
}
.tsa-container .tsa-products-head{text-align:center;margin-bottom:44px;position:relative;z-index:2;}
.tsa-container .tsa-products-head .tsa-section-tag{
  display:inline-block;font-size:13px;color:var(--primary);
  background:rgba(33,131,212,.12);padding:5px 16px;border-radius:20px;
  font-weight:600;letter-spacing:1px;margin-bottom:14px;
}
.tsa-container .tsa-products-head h2{
  font-size:clamp(24px,3vw,36px);font-weight:800;color:var(--primary-dark);margin-bottom:10px;
}
.tsa-container .tsa-products-head p{color:var(--muted);font-size:15px;max-width:700px;margin:0 auto;}

.tsa-container .tsa-products-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  max-width:1200px;margin:0 auto;
  position:relative;z-index:2;
}
.tsa-container .tsa-p-card{
  background:#fff;border-radius:18px;
  padding:28px 24px 24px;
  box-shadow:0 8px 24px rgba(0,97,169,.08);
  border:1.5px solid transparent;
  transition:.35s cubic-bezier(.4,0,.2,1);
  position:relative;overflow:hidden;
  display:flex;flex-direction:column;
}
.tsa-container .tsa-p-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--primary-light),var(--primary));
  transform:scaleX(0);transform-origin:left;transition:.35s;
}
.tsa-container .tsa-p-card:hover{
  transform:translateY(-8px);
  box-shadow:0 20px 40px rgba(0,97,169,.18);
  border-color:rgba(33,131,212,.25);
}
.tsa-container .tsa-p-card:hover::before{transform:scaleX(1);}

.tsa-container .tsa-p-card.tsa-featured{
  background:linear-gradient(145deg,#ffffff 0%,#eff6ff 100%);
  border:1.5px solid var(--primary-light);
  box-shadow:0 12px 32px rgba(0,97,169,.18);
  transform:translateY(-4px);
}
.tsa-container .tsa-p-card.tsa-featured::before{transform:scaleX(1);height:5px;}
.tsa-container .tsa-p-ribbon{
  position:absolute;top:16px;right:-32px;
  background:linear-gradient(90deg,#f59e0b,#ef4444);
  color:#fff;font-size:11px;font-weight:700;
  padding:5px 36px;
  transform:rotate(40deg);
  letter-spacing:1px;
  box-shadow:0 2px 8px rgba(239,68,68,.3);
}

.tsa-container .tsa-p-top{display:flex;align-items:flex-start;gap:14px;margin-bottom:18px;}
.tsa-container .tsa-p-icon{
  flex-shrink:0;
  width:54px;height:54px;border-radius:14px;
  background:linear-gradient(135deg,rgba(33,131,212,.12),rgba(0,97,169,.08));
  display:flex;align-items:center;justify-content:center;
  font-size:26px;
}
.tsa-container .tsa-p-card.tsa-featured .tsa-p-icon{
  background:var(--gradient);color:#fff;
  box-shadow:0 8px 18px rgba(0,97,169,.3);
}
.tsa-container .tsa-p-sku{font-size:12px;color:var(--primary);font-weight:700;letter-spacing:1px;font-family:"SF Mono",Consolas,monospace;}
.tsa-container .tsa-p-name{font-size:16px;font-weight:700;color:var(--primary-dark);margin-top:4px;line-height:1.4;}

.tsa-container .tsa-p-dots{display:flex;gap:6px;margin:14px 0 18px;}
.tsa-container .tsa-p-dots span{flex:1;height:8px;border-radius:4px;opacity:.85;}
.tsa-container .tsa-p-dots .tsa-d-n{background:repeating-linear-gradient(45deg,#e5e7eb,#e5e7eb 3px,#f3f4f6 3px,#f3f4f6 6px);}

.tsa-container .tsa-p-features{list-style:none;margin-bottom:20px;flex:1;}
.tsa-container .tsa-p-features li{
  font-size:13px;color:var(--muted);
  padding:5px 0 5px 20px;position:relative;line-height:1.6;
}
.tsa-container .tsa-p-features li::before{
  content:"✓";position:absolute;left:0;top:5px;
  width:14px;height:14px;border-radius:50%;
  background:rgba(33,131,212,.12);color:var(--primary);
  font-size:9px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.tsa-container .tsa-p-card.tsa-featured .tsa-p-features li::before{
  background:var(--gradient);color:#fff;
}
.tsa-container .tsa-p-btn{
  display:flex;align-items:center;justify-content:center;gap:6px;
  padding:11px;border-radius:10px;
  background:linear-gradient(90deg,rgba(33,131,212,.08),rgba(0,97,169,.08));
  color:var(--primary);font-weight:600;font-size:13px;
  border:none;cursor:pointer;transition:.25s;
}
.tsa-container .tsa-p-btn:hover{background:var(--gradient);color:#fff;}
.tsa-container .tsa-p-card.tsa-featured .tsa-p-btn{background:var(--gradient);color:#fff;box-shadow:0 6px 14px rgba(0,97,169,.25);}
.tsa-container .tsa-p-card.tsa-featured .tsa-p-btn:hover{transform:scale(1.02);box-shadow:0 8px 20px rgba(0,97,169,.35);}
.tsa-container .tsa-p-btn svg{width:14px;height:14px;transition:.25s;}
.tsa-container .tsa-p-btn:hover svg{transform:translateX(3px);}

.tsa-container .tsa-p-note{
  max-width:1200px;margin:28px auto 0;
  background:rgba(255,255,255,.7);backdrop-filter:blur(8px);
  border:1px dashed rgba(33,131,212,.3);border-radius:12px;
  padding:14px 20px;display:flex;align-items:center;gap:12px;
  font-size:13px;color:var(--primary-dark);
  position:relative;z-index:2;
}
.tsa-container .tsa-p-note .tsa-ni{font-size:18px;}
.tsa-container .tsa-p-note strong{color:var(--primary);}
@media(max-width:768px){
  .tsa-container .tsa-products-grid{grid-template-columns:1fr;}
  .tsa-container .tsa-p-card.tsa-featured{transform:none;}
}
@media(min-width:769px) and (max-width:1024px){
  .tsa-container .tsa-products-grid{grid-template-columns:repeat(2,1fr);}
  .tsa-container .tsa-p-card:last-child{grid-column:span 2;max-width:50%;margin:0 auto;width:100%;}
}

.tsa-container .tsa-hero{
  margin-top:60px;
  background:var(--gradient);
  position:relative;
  overflow:hidden;
  padding:100px 24px 120px;
  color:#fff;
}
.tsa-container .tsa-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(circle at 20% 30%,rgba(255,255,255,.15) 0,transparent 40%),
    radial-gradient(circle at 80% 70%,rgba(6,182,212,.3) 0,transparent 40%);
}
.tsa-container .tsa-hero-pattern{
  position:absolute;inset:0;opacity:.08;
  background-image:
    linear-gradient(rgba(255,255,255,.3) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.3) 1px,transparent 1px);
  background-size:40px 40px;
}
.tsa-container .tsa-hero-inner{max-width:1200px;margin:0 auto;position:relative;z-index:2;text-align:center;}
.tsa-container .tsa-badge{
  display:inline-block;padding:6px 18px;
  background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.3);
  border-radius:30px;font-size:13px;letter-spacing:1px;margin-bottom:24px;
  backdrop-filter:blur(6px);
}
.tsa-container .tsa-hero h1{
  font-size:clamp(28px,4.5vw,52px);font-weight:800;
  line-height:1.25;margin-bottom:20px;
  text-shadow:0 2px 20px rgba(0,0,0,.15);
}
.tsa-container .tsa-hero h1 .tsa-highlight{
  background:linear-gradient(90deg,#fde68a,#fbbf24);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.tsa-container .tsa-hero-sub{
  font-size:clamp(15px,1.6vw,20px);opacity:.95;
  max-width:800px;margin:0 auto 40px;line-height:1.6;
}
.tsa-container .tsa-hero-stats{
  display:flex;justify-content:center;gap:40px;flex-wrap:wrap;margin-top:50px;
}
.tsa-container .tsa-stat-item{text-align:center;}
.tsa-container .tsa-stat-num{font-size:38px;font-weight:800;background:linear-gradient(90deg,#fde68a,#fbbf24);-webkit-background-clip:text;background-clip:text;color:transparent;}
.tsa-container .tsa-stat-label{font-size:14px;opacity:.85;margin-top:4px;}

.tsa-container .tsa-hero-wave{
  position:absolute;bottom:-1px;left:0;right:0;
  height:80px;
  background:var(--bg);
  clip-path:polygon(0 60%,100% 0,100% 100%,0 100%);
}

.tsa-container .tsa-section,
.tsa-container section#pain,
.tsa-container section#advantage,
.tsa-container section#application{padding:80px 24px;}
.tsa-container .tsa-container-inner{max-width:1200px;margin:0 auto;}
.tsa-container .tsa-section-head{text-align:center;margin-bottom:56px;}
.tsa-container .tsa-section-tag{
  display:inline-block;font-size:13px;color:var(--primary);
  background:rgba(33,131,212,.1);padding:5px 16px;border-radius:20px;
  font-weight:600;letter-spacing:1px;margin-bottom:14px;
}
.tsa-container .tsa-section-title{font-size:clamp(24px,3vw,36px);font-weight:800;color:var(--primary-dark);margin-bottom:12px;}
.tsa-container .tsa-section-desc{color:var(--muted);font-size:16px;max-width:700px;margin:0 auto;}

.tsa-container .tsa-pain-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;}
.tsa-container .tsa-pain-card{
  background:var(--card);border-radius:16px;padding:32px 28px;
  box-shadow:var(--shadow);border-top:4px solid var(--accent-2);
  transition:.3s;position:relative;overflow:hidden;
}
.tsa-container .tsa-pain-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.tsa-container .tsa-pain-icon{
  width:54px;height:54px;border-radius:14px;
  background:linear-gradient(135deg,#fef2f2,#fee2e2);
  display:flex;align-items:center;justify-content:center;
  font-size:26px;margin-bottom:18px;
}
.tsa-container .tsa-pain-card h3{font-size:18px;margin-bottom:10px;color:#991b1b;}
.tsa-container .tsa-pain-card p{color:var(--muted);font-size:15px;}

.tsa-container .tsa-principle{background:linear-gradient(180deg,#fff 0,#eef5fb 100%);padding:80px 24px;}
.tsa-container .tsa-principle-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;
}
.tsa-container .tsa-steps{position:relative;padding-left:40px;}
.tsa-container .tsa-steps::before{
  content:"";position:absolute;left:18px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--primary-light),var(--primary));
}
.tsa-container .tsa-step{position:relative;margin-bottom:30px;}
.tsa-container .tsa-step-num{
  position:absolute;left:-40px;top:0;
  width:36px;height:36px;border-radius:50%;
  background:var(--gradient);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;
  box-shadow:0 4px 12px rgba(33,131,212,.4);
}
.tsa-container .tsa-step h4{font-size:17px;margin-bottom:6px;color:var(--primary-dark);}
.tsa-container .tsa-step p{color:var(--muted);font-size:14px;}

.tsa-container .tsa-principle-visual{
  background:var(--card);border-radius:20px;padding:40px;
  box-shadow:var(--shadow-lg);
  position:relative;
}
.tsa-container .tsa-pv-title{text-align:center;font-weight:700;color:var(--primary-dark);margin-bottom:30px;font-size:18px;}
.tsa-container .tsa-pv-box{
  background:linear-gradient(135deg,#eff6ff,#dbeafe);
  border:2px dashed var(--primary-light);
  border-radius:12px;padding:24px;margin-bottom:16px;
  text-align:center;font-weight:600;color:var(--primary-dark);
  position:relative;
}
.tsa-container .tsa-pv-arrow{text-align:center;color:var(--primary);font-size:22px;margin:8px 0;}
.tsa-container .tsa-pv-highlight{
  background:linear-gradient(135deg,#fef3c7,#fde68a);
  border:2px solid var(--accent);
}

.tsa-container .tsa-adv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:28px;}
.tsa-container .tsa-adv-card{
  background:var(--card);border-radius:20px;padding:40px 32px;
  box-shadow:var(--shadow);transition:.3s;position:relative;
  border-bottom:4px solid transparent;
}
.tsa-container .tsa-adv-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-bottom-color:var(--primary);}
.tsa-container .tsa-adv-num{
  font-size:64px;font-weight:900;color:rgba(33,131,212,.1);
  position:absolute;top:16px;right:24px;line-height:1;
}
.tsa-container .tsa-adv-icon{
  width:60px;height:60px;border-radius:16px;
  background:var(--gradient);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:28px;margin-bottom:22px;
  box-shadow:0 8px 20px rgba(33,131,212,.3);
}
.tsa-container .tsa-adv-card h3{font-size:20px;margin-bottom:12px;color:var(--primary-dark);}
.tsa-container .tsa-adv-card p{color:var(--muted);font-size:15px;line-height:1.8;}

.tsa-container .tsa-kit{background:linear-gradient(180deg,#eef5fb 0,#fff 100%);padding:80px 24px;}
.tsa-container .tsa-kit-table-wrap{
  background:var(--card);border-radius:20px;padding:8px;
  box-shadow:var(--shadow-lg);overflow:hidden;
}
.tsa-container .tsa-kit-table{width:100%;border-collapse:collapse;font-size:14px;}
.tsa-container .tsa-kit-table thead{background:var(--gradient);color:#fff;}
.tsa-container .tsa-kit-table th{padding:18px 16px;text-align:left;font-weight:600;letter-spacing:.5px;}
.tsa-container .tsa-kit-table td{padding:16px;border-bottom:1px solid var(--border);}
.tsa-container .tsa-kit-table tbody tr{transition:.2s;}
.tsa-container .tsa-kit-table tbody tr:hover{background:#eff6ff;}
.tsa-container .tsa-kit-table tbody tr:last-child td{border-bottom:none;}
.tsa-container .tsa-color-dot{display:inline-block;width:14px;height:14px;border-radius:50%;margin-right:8px;vertical-align:middle;box-shadow:0 2px 6px rgba(0,0,0,.15);}

.tsa-container .tsa-sample-showcase{
  margin-top:50px;
  background:var(--card);border-radius:20px;padding:40px;
  box-shadow:var(--shadow);text-align:center;
}
.tsa-container .tsa-sample-showcase h3{font-size:22px;color:var(--primary-dark);margin-bottom:24px;}
.tsa-container .tsa-fluorescent-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:16px;margin-top:20px;
}
.tsa-container .tsa-fluor-item{
  padding:20px 12px;border-radius:12px;color:#fff;font-weight:600;font-size:13px;
  box-shadow:0 6px 16px rgba(0,0,0,.12);
  display:flex;flex-direction:column;align-items:center;gap:8px;
}
.tsa-container .tsa-fluor-item .tsa-f-dot{width:30px;height:30px;border-radius:50%;background:#fff;opacity:.85;box-shadow:0 0 15px #fff;}

.tsa-container .tsa-app-hero{
  background:var(--gradient);color:#fff;border-radius:24px;
  padding:40px;margin-bottom:40px;position:relative;overflow:hidden;
}
.tsa-container .tsa-app-hero::before{
  content:"";position:absolute;right:-50px;top:-50px;
  width:200px;height:200px;border-radius:50%;
  background:rgba(255,255,255,.1);
}
.tsa-container .tsa-app-hero h3{font-size:24px;margin-bottom:12px;}
.tsa-container .tsa-app-hero p{opacity:.95;font-size:15px;}
.tsa-container .tsa-app-list{display:grid;gap:12px;margin-top:20px;}
.tsa-container .tsa-app-list li{list-style:none;padding-left:28px;position:relative;font-size:14px;}
.tsa-container .tsa-app-list li::before{content:"✓";position:absolute;left:0;top:0;color:#fbbf24;font-weight:700;}

.tsa-container .tsa-paper-card{
  background:var(--card);border-radius:20px;padding:36px;
  box-shadow:var(--shadow);margin-bottom:28px;
  border-left:6px solid var(--accent);
}
.tsa-container .tsa-paper-tag{
  display:inline-block;padding:4px 12px;background:#fef3c7;color:#92400e;
  border-radius:6px;font-size:12px;font-weight:600;margin-bottom:14px;
}
.tsa-container .tsa-paper-title{font-size:20px;font-weight:700;color:var(--primary-dark);margin-bottom:10px;}
.tsa-container .tsa-paper-meta{font-size:13px;color:var(--muted);margin-bottom:16px;}
.tsa-container .tsa-paper-desc{color:var(--text);font-size:15px;line-height:1.8;}
.tsa-container .tsa-paper-desc strong{color:var(--primary);}

.tsa-container .tsa-other-apps{
  margin-top:40px;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;
}
.tsa-container .tsa-other-item{
  background:var(--card);padding:22px 20px;border-radius:14px;
  box-shadow:var(--shadow);display:flex;align-items:center;gap:14px;
  transition:.3s;
}
.tsa-container .tsa-other-item:hover{transform:translateX(6px);box-shadow:var(--shadow-lg);}
.tsa-container .tsa-other-item .tsa-oi-icon{
  width:42px;height:42px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,#eff6ff,#dbeafe);
  display:flex;align-items:center;justify-content:center;font-size:20px;
}
.tsa-container .tsa-other-item span{font-size:14px;font-weight:500;}

.tsa-container .tsa-workflow{background:linear-gradient(180deg,#fff 0,#eef5fb 100%);padding:80px 24px;}
.tsa-container .tsa-wf-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;position:relative;
}
.tsa-container .tsa-wf-card{
  background:var(--card);border-radius:18px;padding:30px 24px;text-align:center;
  box-shadow:var(--shadow);transition:.3s;position:relative;
}
.tsa-container .tsa-wf-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.tsa-container .tsa-wf-num{
  width:48px;height:48px;border-radius:50%;
  background:var(--gradient);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:20px;margin:0 auto 18px;
  box-shadow:0 6px 16px rgba(33,131,212,.35);
}
.tsa-container .tsa-wf-card h4{font-size:17px;color:var(--primary-dark);margin-bottom:10px;}
.tsa-container .tsa-wf-card p{font-size:13px;color:var(--muted);line-height:1.7;}

.tsa-container .tsa-cta{
  background:var(--gradient);color:#fff;text-align:center;
  padding:80px 24px;position:relative;overflow:hidden;
}
.tsa-container .tsa-cta::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 30% 50%,rgba(255,255,255,.1),transparent 50%);
}
.tsa-container .tsa-cta-inner{position:relative;z-index:2;max-width:700px;margin:0 auto;}
.tsa-container .tsa-cta h2{font-size:clamp(24px,3vw,36px);margin-bottom:16px;}
.tsa-container .tsa-cta p{opacity:.95;font-size:16px;margin-bottom:32px;}
.tsa-container .tsa-cta .btn_box{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:36px;}
.tsa-container .tsa-cta .a_btn{display:block;width:160px;height:44px;border-radius:44px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.15);color:#fff;grid-gap:5px;border:1px solid rgba(255,255,255,.3);transition:all .3s;}
.tsa-container .tsa-cta .a_btn:hover{background:rgba(255,255,255,.25);border-color:rgba(255,255,255,.5);}
.tsa-container .tsa-cta .a_btn.on{background:#fff !important;color:var(--primary) !important;border-color:#fff;box-shadow:0 8px 24px rgba(0,0,0,.2);}
.tsa-container .tsa-cta .a_btn.on:hover{background:#f0f7ff !important;}
.tsa-container .tsa-btn{
  padding:14px 32px;border-radius:30px;font-weight:600;font-size:15px;
  transition:.3s;cursor:pointer;border:none;display:inline-flex;align-items:center;gap:8px;
}
.tsa-container .tsa-btn-primary{background:#fff;color:var(--primary-dark);box-shadow:0 8px 24px rgba(0,0,0,.15);}
.tsa-container .tsa-btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,0,0,.25);}
.tsa-container .tsa-btn-outline{background:transparent;border:2px solid rgba(255,255,255,.6);color:#fff;}
.tsa-container .tsa-btn-outline:hover{background:rgba(255,255,255,.15);border-color:#fff;}

.tsa-container .tsa-cta-features{
  display:flex;gap:30px;justify-content:center;flex-wrap:wrap;margin-top:36px;
  font-size:14px;opacity:.9;
}
.tsa-container .tsa-cta-features span::before{content:"✦ ";color:#fbbf24;}

@media(max-width:768px){
  .tsa-container .tsa-nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:20px;gap:16px;box-shadow:var(--shadow);}
  .tsa-container .tsa-nav-links.tsa-active{display:flex;}
  .tsa-container .tsa-menu-toggle{display:block;}
  .tsa-container .tsa-nav-cta{text-align:center;}
  .tsa-container .tsa-hero{padding:70px 20px 100px;}
  .tsa-container .tsa-hero-stats{gap:24px;}
  .tsa-container .tsa-stat-num{font-size:28px;}
  .tsa-container .tsa-section{padding:60px 20px;}
  .tsa-container .tsa-principle-wrap{grid-template-columns:1fr;gap:30px;}
  .tsa-container .tsa-app-hero{padding:28px 22px;}
  .tsa-container .tsa-paper-card{padding:26px 22px;}
  .tsa-container .tsa-kit-table{font-size:12px;}
  .tsa-container .tsa-kit-table th,.tsa-container .tsa-kit-table td{padding:10px 8px;}
  .tsa-container .tsa-sample-showcase{padding:24px 18px;}
}