:root{
  --ink:#0b1628;--blue-2:#2a6cb5;--cyan:#00c9d4;
  --orange:#ff7a1a;--orange-2:#ffb347;
  --bg:#f4f6fa;--card:#ffffff;
  --text:#1a2236;--text-2:#4a5568;--text-3:#8892a6;
  --radius:12px;--shadow:0 4px 24px rgba(10,30,60,.08);
  --shadow-lg:0 16px 48px rgba(10,30,60,.12);--maxw:1360px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{ sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

.topbar{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(11,22,40,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.06)}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:12px;color:#fff}
.logo-mark{width:36px;height:36px;border-radius:8px;background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:0 0 20px rgba(0,201,212,.25)}
.logo-mark img{width:100%;height:100%;object-fit:contain}
.logo-text{font-weight:700;font-size:21px;letter-spacing:.5px;line-height:1.3}
.nav{display:flex;gap:32px}
.nav a{color:rgba(255,255,255,.8);font-size:14px;transition:.2s}
.nav a:hover{color:var(--orange-2)}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;border:none;background:transparent;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.topbar.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.topbar.nav-open .nav-toggle span:nth-child(2){opacity:0}
.topbar.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.top-cta{display:flex;align-items:center;gap:10px;background:var(--orange);color:#fff!important;padding:10px 20px;border-radius:999px;font-weight:700;font-size:14px;box-shadow:0 4px 16px rgba(255,122,26,.4);transition:.2s}
.top-cta:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,122,26,.55)}

.hero{margin-top:64px;position:relative;overflow:hidden;background:linear-gradient(135deg,#0b1628 0%,#12284a 50%,#1a3d6e 100%);padding:100px 0 120px}
.hero::before{content:'';position:absolute;inset:0;background-image:radial-gradient(circle at 20% 30%,rgba(0,201,212,.15) 0,transparent 50%),radial-gradient(circle at 80% 70%,rgba(255,122,26,.12) 0,transparent 45%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1fr 1.8fr;gap:30px;align-items:center;position:relative;z-index:1}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(0,201,212,.15);color:var(--cyan);border:1px solid rgba(0,201,212,.3);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:500;margin-bottom:14px}
.hero-tag::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--cyan);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.4)}}
.hero h1{font-size:40px;font-weight:900;color:#fff;line-height:1.2;margin-bottom:20px;letter-spacing:1px}
.hero h1 .hl{background:linear-gradient(90deg,var(--cyan),var(--orange-2));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-desc{color:rgba(255,255,255,.75);font-size:18px;margin-bottom:36px;max-width:520px}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap}
.btn-primary{display:inline-flex;align-items:center;gap:10px;background:var(--orange);color:#fff;padding:16px 32px;border-radius:10px;font-weight:700;font-size:16px;box-shadow:0 8px 24px rgba(255,122,26,.45);transition:.25s}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(255,122,26,.6)}
.btn-ghost{display:inline-flex;align-items:center;gap:10px;border:1px solid rgba(255,255,255,.3);color:#fff;padding:16px 32px;border-radius:10px;font-weight:600;font-size:16px;transition:.25s}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5)}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:30px}
.stat-item{color:#fff}
.stat-num{ font-size:36px;font-weight:800;color:var(--cyan);line-height:1}
.stat-num span{font-size:22px;color:var(--orange-2)}
.stat-label{font-size:12px;color:rgba(255,255,255,.6);margin-top:6px}

.hero-visual{position:relative}
.product-card{position:relative}
.product-img{aspect-ratio:5/2;border-radius:16px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.product-img img{width:100%;height:100%;object-fit:cover;display:block}
.product-label{position:absolute;bottom:16px;left:16px;background:rgba(11,22,40,.85);color:#fff;padding:8px 14px;border-radius:8px;font-size:12px;border:1px solid rgba(0,201,212,.3)}
.floating-badge{position:absolute;background:#fff;color:var(--ink);padding:14px 18px;border-radius:12px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:12px;animation:float 3s ease-in-out infinite}
.floating-badge.b1{top:-10px;right:-20px;animation-delay:.5s}
.floating-badge.b2{bottom:-10px;left:-20px;animation-delay:1s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.fb-icon{width:40px;height:40px;border-radius:10px;background:var(--cyan);display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px}
.fb-title{font-weight:700;font-size:14px}
.fb-sub{font-size:12px;color:var(--text-3)}

section{padding:80px 0}
.sec-head{text-align:center;margin-bottom:56px}
.sec-tag{display:inline-block;background:rgba(42,108,181,.08);color:var(--blue-2);padding:6px 16px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:1px;margin-bottom:16px}
.sec-title{font-size:36px;font-weight:900;color:var(--ink);margin-bottom:12px;letter-spacing:.5px}
.sec-sub{color:var(--text-2);font-size:16px;max-width:600px;margin:0 auto}

.about{background:var(--card)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-text p{color:var(--text-2);font-size:16px;margin-bottom:16px}
.about-features{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px}
.af-item{display:flex;gap:12px;align-items:flex-start}
.af-icon{width:40px;height:40px;border-radius:10px;background:rgba(0,201,212,.1);color:var(--cyan);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:18px}
.af-item strong{display:block;font-size:14px;color:var(--ink);margin-bottom:2px}
.af-item span{font-size:13px;color:var(--text-3)}
.about-img{aspect-ratio:4/3;background:linear-gradient(135deg,#12284a,#2a6cb5);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.about-img img{width:100%;height:100%;object-fit:cover;display:block}
.about-img::before{content:'';position:absolute;inset:0; ),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:30px 30px}

.product{background:var(--bg)}
.prod-card{background:var(--card);border-radius:var(--radius);padding:48px;box-shadow:var(--shadow);display:grid;grid-template-columns:1.5fr 1fr;gap:48px;align-items:center}
.prod-visual{aspect-ratio:3/2; margin:0 auto;border-radius:12px;background:linear-gradient(135deg,#0b1628,#1a3d6e);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.prod-visual img{width:100%;height:100%;object-fit:cover;display:block}
.prod-visual .pipe{width:60px;height:260px;background:linear-gradient(180deg,#8ec7ff,#1a3d6e);border-radius:10px 10px 0 0;position:relative;box-shadow:inset -8px 0 16px rgba(0,0,0,.3),0 0 40px rgba(0,201,212,.3)}
.prod-visual .pipe::before{content:'';position:absolute;bottom:-40px;left:50%;transform:translateX(-50%);width:120px;height:40px;border-radius:50%;background:radial-gradient(ellipse,rgba(0,201,212,.8),transparent 70%);animation:bubble 2s ease-in-out infinite}
@keyframes bubble{0%,100%{transform:translateX(-50%) scale(1);opacity:.8}50%{transform:translateX(-50%) scale(1.3);opacity:.5}}
.prod-info h3{font-size:28px;font-weight:900;color:var(--ink);margin-bottom:8px}
.prod-info .tagline{color:var(--orange);font-weight:600;font-size:14px;margin-bottom:20px;letter-spacing:1px}
.prod-info p{color:var(--text-2);font-size:16px;margin-bottom:24px}
.prod-specs{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:10px}
.spec-row{display:flex;justify-content:space-between;padding:8px 16px;background:var(--bg);border-radius:8px;font-size:15px}
.spec-row span:first-child{color:var(--text-3)}
.spec-row span:last-child{font-weight:700;color:var(--ink)}

.adv-simple{background:linear-gradient(180deg,var(--bg) 0%,#eef3fa 100%);padding:72px 0}
.adv-simple .container{text-align:center}
.adv-badge{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,rgba(42,108,181,.12),rgba(0,201,212,.12));color:var(--blue-2);border:1px solid rgba(0,201,212,.3);font-size:14px;font-weight:700;letter-spacing:2px;padding:8px 20px;border-radius:999px;margin-bottom:24px}
.adv-badge i{color:var(--cyan);font-size:15px}
.adv-simple-text{font-size:40px;font-weight:900;color:var(--ink);letter-spacing:1px;max-width:900px;margin:0 auto;line-height:1.35}
.adv-simple-text .hl{color:var(--orange);position:relative;white-space:nowrap}
.adv-simple-text .hl::after{content:'';position:absolute;left:0;right:0;bottom:4px;height:10px;background:rgba(255,122,26,.22);border-radius:4px;z-index:-1}
.adv-simple-sub{margin-top:22px;font-size:16px;color:var(--text-2)}

.tech{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.tech::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(0,201,212,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(0,201,212,.05) 1px,transparent 1px);background-size:40px 40px}
.tech .container{position:relative;z-index:1}
.tech .sec-title{color:#fff}
.tech .sec-sub{color:rgba(255,255,255,.6)}
/* 技术文献卡片（论文预览） */
.paper{ margin:0 auto;background:#fff;color:var(--text);border-radius:16px;padding:52px 56px;box-shadow:0 24px 60px rgba(0,0,0,.4);position:relative}
.paper-tag{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,rgba(42,108,181,.12),rgba(0,201,212,.12));color:var(--blue-2);border:1px solid rgba(0,201,212,.3);font-size:13px;font-weight:700;letter-spacing:1px;padding:6px 16px;border-radius:999px;margin-bottom:20px}
.paper-tag i{color:var(--cyan)}
.paper-title{font-size:30px;font-weight:900;color:var(--ink);line-height:1.35;letter-spacing:.5px;margin-bottom:14px}
.paper-authors{font-size:15px;color:var(--text-2);margin-bottom:26px}
.paper-authors span{color:var(--text-3)}
.paper-abstract{background:var(--bg);border-left:4px solid var(--blue-2);border-radius:0 10px 10px 0;padding:18px 22px;margin-bottom:16px}
.paper-abstract .paper-label{display:block;font-weight:800;color:var(--ink);margin-bottom:8px;font-size:15px}
.paper-abstract p{font-size:15px;color:var(--text-2);line-height:1.9}
.paper-line{font-size:15px;color:var(--text-2);margin-bottom:14px}
.paper-line .paper-label{font-weight:800;color:var(--ink);margin-right:8px}
.paper-codes{font-size:14px;color:var(--text-3);padding-bottom:22px;border-bottom:1px dashed rgba(10,30,60,.15);margin-bottom:26px}
.paper-h2{font-size:22px;font-weight:800;color:var(--ink);margin-bottom:14px;padding-left:14px;border-left:4px solid var(--orange);line-height:1.2}
.paper-para{font-size:15.5px;color:var(--text-2);line-height:2;margin-bottom:30px;text-align:justify}
.paper-more{display:inline-flex;align-items:center;gap:8px;font-size:16px;font-weight:800;color:var(--orange);text-decoration:none;transition:.25s}
.paper-more i{font-size:14px;transition:transform .25s}
.paper-more:hover{color:var(--blue-2)}
.paper-more:hover i{transform:translateX(5px)}
.tech-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:24px}
.tech-step{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:24px;text-align:center;transition:.3s}
.tech-step:hover{background:rgba(0,201,212,.08);border-color:rgba(0,201,212,.3)}
.tech-step .num{font-family:'Orbitron',sans-serif;font-size:32px;font-weight:800;color:var(--cyan);margin-bottom:8px;line-height:1}
.tech-step h5{font-size:15px;font-weight:700;margin-bottom:6px;color:#fff}
.tech-step p{font-size:12px;color:rgba(255,255,255,.6)}
.tech-sol{ background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:40px;display:grid;grid-template-columns:1fr 0.6fr;gap:40px;align-items:center}
.tech-sol h3{font-size:24px;font-weight:900;margin-bottom:16px;color:#fff}
.tech-sol h3 .hl{color:var(--cyan)}
.tech-sol p{color:rgba(255,255,255,.7);font-size:16px;margin-bottom:12px}
.safety-list{list-style:none}
.safety-list li{position:relative;padding-left:28px;margin-bottom:10px;font-size:20px;color:rgba(255,255,255,.85)}
.safety-list li::before{content:'✓';position:absolute;left:0;top:0;color:var(--orange);font-weight:700;font-size:22px}

.cases{background:#fff}
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.3s;background:#fff}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.case-img{aspect-ratio:16/10;background:linear-gradient(135deg,#12284a,#2a6cb5);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.5);font-size:48px;position:relative;overflow:hidden}
.case-img img{width:100%;height:100%;object-fit:cover;display:block}
.case-img::after{content:'';position:absolute;inset:0; }
.case-body{padding:24px}
.case-tag{display:inline-block;background:rgba(0,201,212,.1);color:var(--blue-2);font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;margin-bottom:12px}
.case-body h4{font-size:18px;font-weight:800;margin-bottom:8px;color:var(--ink)}
.case-body p{font-size:16px;color:var(--text-3)}

.honors{background:var(--bg)}
.honors-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.honor-item{background:#fff;border-radius:12px;padding:8px;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.3s}
.honor-item:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.honor-item img{height:200px;width:100%;object-fit:contain;display:block;border-radius:6px}

.lightbox{display:none;position:fixed;inset:0;z-index:1000;background:rgba(0,0,0,.88);align-items:center;justify-content:center;flex-direction:column}
.lightbox.open{display:flex}
.lb-img{max-width:90%;max-height:80%;object-fit:contain;border-radius:8px}
.lb-close{position:absolute;top:18px;right:24px;color:#fff;font-size:40px;line-height:1;background:none;border:none;cursor:pointer;z-index:2}
.lb-prev,.lb-next{position:absolute;top:50%;transform:translateY(-50%);color:#fff;font-size:36px;background:rgba(255,255,255,.14);border:none;cursor:pointer;width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:.2s}
.lb-prev{left:18px}.lb-next{right:18px}
.lb-prev:hover,.lb-next:hover{background:rgba(255,255,255,.32)}
.lb-counter{position:absolute;bottom:20px;color:#fff;font-size:14px}
@media (max-width:600px){.honors-grid{grid-template-columns:repeat(2,1fr);gap:14px}.honor-item img{height:150px}.lb-prev,.lb-next{width:44px;height:44px;font-size:26px}.lb-prev{left:8px}.lb-next{right:8px}}

.contact{background:linear-gradient(135deg,#0b1628 0%,#1a3d6e 100%);position:relative;overflow:hidden;color:#fff}
.contact::before{content:'';position:absolute;top:-100px;right:-100px;width:400px;height:400px;background:radial-gradient(circle,rgba(255,122,26,.3),transparent 70%);border-radius:50%}
.contact-card{max-width:880px;margin:0 auto; border-radius:22px;padding:52px 40px;text-align:center;position:relative;z-index:1}
.contact-head .sec-tag{display:inline-block;margin-bottom:14px;color:var(--cyan);background:rgba(0,201,212,.12)}
.contact-head h2{font-size:34px;font-weight:900;margin-bottom:12px}
.contact-head .lead{color:rgba(255,255,255,.7);font-size:16px}
.contact-call-btn{display:inline-flex;align-items:center;gap:14px;margin:32px auto 36px;padding:8px 32px;border-radius:50px;background:linear-gradient(135deg,#ff9a3c,var(--orange));color:#fff;font-size:18px;font-weight:700;box-shadow:0 10px 30px rgba(255,122,26,.45);transition:.25s;text-decoration:none}
.contact-call-btn:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(255,122,26,.6)}
.contact-call-btn i{font-size:22px;animation:ring 1.6s ease-in-out infinite}
.contact-call-btn .cb-text{font-size:15px;opacity:.9}
.contact-call-btn b{font-size:24px;font-weight:900;letter-spacing:1px;font-family:'Orbitron',sans-serif}
@keyframes ring{0%,100%{transform:rotate(0)}20%{transform:rotate(-14deg)}40%{transform:rotate(12deg)}60%{transform:rotate(-8deg)}80%{transform:rotate(5deg)}}
.contact-items{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.contact-item{display:flex;gap:14px;align-items:flex-start;text-align:left;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:15px}
.contact-item .ci-ico{width:44px;height:44px;border-radius:12px;background:rgba(255,122,26,.15);color:var(--orange-2);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.contact-item strong{display:block;font-size:14px;color:rgba(255,255,255,.5);margin-bottom:4px;font-weight:400;letter-spacing:1px}
.contact-item span{font-size:14px;font-weight:600;color:#fff;line-height:1.5;white-space:nowrap}

footer{background:#071020;padding:40px 0;color:rgba(255,255,255,.5);font-size:15px;text-align:center}
footer strong{color:rgba(255,255,255,.85);display:block;margin-bottom:8px}

.float-bar{display:none;position:fixed;bottom:0;left:0;right:0;z-index:99;align-items:center;justify-content:space-between;gap:12px;background:linear-gradient(135deg,#0b1628,#1a3d6e);box-shadow:0 -6px 24px rgba(0,0,0,.25);border-top:1px solid rgba(255,255,255,.08);padding:10px 14px;padding-bottom:calc(10px + env(safe-area-inset-bottom))}
.fb-info{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.fb-label{font-size:11px;color:rgba(255,255,255,.6)}
.fb-num{font-size:20px;font-weight:900;color:var(--orange-2);font-family:'Orbitron',sans-serif;letter-spacing:1px;text-decoration:none}
.fb-call{flex:0 0 auto;display:flex;align-items:center;gap:8px;padding:12px 24px;border-radius:999px;background:linear-gradient(135deg,#ff9a3c,var(--orange));color:#fff;font-weight:800;font-size:15px;letter-spacing:1px;box-shadow:0 6px 18px rgba(255,122,26,.5);text-decoration:none;animation:pulse 1.8s ease-in-out infinite}
.fb-call i{font-size:17px}
@keyframes pulse{0%,100%{box-shadow:0 6px 18px rgba(255,122,26,.5)}50%{box-shadow:0 6px 28px rgba(255,122,26,.9)}}

@media (max-width:992px){
  .nav{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;z-index:99;background:rgba(11,22,40,.98);backdrop-filter:blur(12px);max-height:0;overflow:hidden;transition:max-height .35s ease;gap:0}
  .nav a{padding:15px 18px;border-bottom:1px solid rgba(255,255,255,.08);width:100%;font-size:18px}
  .nav a:last-child{border-bottom:none}
  .topbar.nav-open .nav{max-height:420px}
  .nav-toggle{display:flex}
  .hero{padding:60px 0 80px}.hero h1{font-size:32px}
  .hero-grid,.about-grid,.prod-card,.tech-sol,.contact-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual{order:-1;max-width:400px;margin:0 auto}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:20px}
  .adv-grid,.cases-grid{grid-template-columns:repeat(2,1fr)}
  section{padding:56px 0}.sec-title{font-size:26px}

}
/* 手机端：about 版块已排到 hero 之前，需避开固定顶栏 */
@media (max-width:768px){
  .about{margin-top:64px}
}
@media (max-width:576px){
  .container{padding:0 16px}.topbar .container{height:56px}
  .about{margin-top:56px}
  .logo{gap:8px}.logo-mark{width:32px;height:32px}
  .logo-text{font-size:20px;line-height:1.35}
  .top-cta{display:none}
  .hero{margin-top:56px;padding:40px 0 60px}.hero h1{font-size:30px}.hero-desc{font-size:18px}
  .btn-primary,.btn-ghost{padding:14px 22px;font-size:14px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:16px}.stat-num{font-size:26px}
  .cases-grid,.prod-specs{grid-template-columns:1fr}
  .about-features{grid-template-columns:repeat(2,1fr);gap:12px}
  .case-card{padding:20px}.prod-card{padding:24px 24px 0 24px}
  section{padding:44px 0}.sec-head{margin-bottom:36px}.sec-title{font-size:22px}
  .contact-card{padding:34px 16px}.contact-head h2{font-size:25px}
  .contact-call-btn{flex-wrap:wrap;justify-content:center;gap:8px 12px;padding:15px 20px;margin:26px auto 30px}
  .contact-call-btn b{font-size:20px}.contact-call-btn .cb-text{font-size:13px}.contact-items{grid-template-columns:1fr}
  .float-bar{display:flex}
  footer{padding:40px 0 80px}.floating-badge{display:none}
  .stat-label{font-size:16px;color:rgba(255,255,255,.6);margin-top:6px}

}
.reveal{opacity:0;transform:translateY(30px);transition:.6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ===== 动态效果 ===== */
/* 顶部滚动进度条 */
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:101;background:linear-gradient(90deg,var(--cyan),var(--orange));box-shadow:0 0 8px rgba(0,201,212,.6);transition:width .1s linear}
/* 导航滚动阴影 */
.topbar.scrolled{box-shadow:0 4px 22px rgba(0,0,0,.3);background:rgba(11,22,40,.98)}
/* 标题渐变流光 */
.hl{background:linear-gradient(90deg,var(--cyan),var(--orange-2),var(--cyan));background-size:200% auto;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:hlShift 4s linear infinite}
@keyframes hlShift{to{background-position:200% center}}
/* 图片悬停放大 */
.product-img img,.about-img img,.prod-visual img,.case-img img{transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.product-img:hover img,.about-img:hover img,.prod-visual:hover img,.case-img:hover img{transform:scale(1.08)}
/* 卡片悬停微光描边 */
.case-card,.prod-card,.adv-card,.honor-card{transition:transform .3s,box-shadow .3s}
.case-card:hover,.prod-card:hover,.adv-card:hover,.honor-card:hover{box-shadow:0 16px 44px rgba(10,30,60,.18)}
/* 按钮呼吸光 */
@keyframes ctaPulse{0%,100%{box-shadow:0 8px 24px rgba(255,122,26,.45)}50%{box-shadow:0 8px 34px rgba(255,122,26,.85)}}
.contact-call-btn,.top-cta{animation:ctaPulse 2.2s ease-in-out infinite}
.contact-call-btn:hover,.top-cta:hover{animation-play-state:paused}
/* 英雄区图标漂浮（已存在 float 动画则复用） */
.floating-badge{animation:float 3.5s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.floating-badge.b2{animation-delay:.8s}
/* 数字计数时的轻微高亮 */
.stat-num{display:inline-block}

/* 技术版块大标题（可点击） */
.tech-title{text-align:center;font-size:34px;font-weight:900;margin-bottom:36px;letter-spacing:.5px}
.tech-title a{color:#fff;text-decoration:none;transition:.2s}
.tech-title a:hover{color:var(--cyan)}
/* 内容页页头 */
.page-head{margin-top:64px;background:linear-gradient(135deg,#0b1628 0%,#1a3d6e 100%);padding:60px 0;position:relative;overflow:hidden}
.page-head .sec-tag{background:rgba(0,201,212,.15);color:var(--cyan);display:inline-block;padding:6px 16px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:1px;margin-bottom:16px}
.page-title{font-size:40px;font-weight:900;color:#fff;line-height:1.3;margin:0;letter-spacing:1px}
/* 文章正文 */
.article-section{background:#fff;padding:64px 0}
.article-wrap{max-width:100%;margin:0 auto}
.article{color:var(--text);font-size:16px;line-height:1.9}
.article-meta{color:var(--text-3);font-size:14px;margin-bottom:24px;text-align:center}
.article-abstract,.article-keywords{background:var(--bg);border-left:4px solid var(--blue-2);padding:14px 18px;border-radius:8px;margin-bottom:18px;color:var(--text-2);font-size:15px}
.article-abstract strong,.article-keywords strong{color:var(--ink)}
.article h2{font-size:24px;font-weight:800;color:var(--ink);margin:36px 0 16px;padding-left:14px;border-left:4px solid var(--orange)}
.article p{margin-bottom:16px}
.article-fig{color:var(--text-3);font-size:14px;text-align:center;font-style:italic;margin-top:8px}
.article-fig img{display:inline-block;width:calc(50% - 14px);margin:7px;vertical-align:top;border-radius:8px;box-shadow:var(--shadow)}
.article-fig img+img{margin-left:0}

@media (max-width:576px){
  .tech-title{font-size:24px;margin-bottom:24px}
  .page-head{margin-top:56px;padding:40px 0}
  .page-title{font-size:26px}
  .article-section{padding:40px 0}
  .article{font-size:18px}
  .article h2{font-size:20px}
  .product .prod-info h3 .prod-sub{display:block;font-weight:400;margin-top:-12px; font-size: 20px; }
  .adv-simple{padding:48px 0}
  .adv-simple-text{font-size:26px}
  .adv-simple-sub{font-size:14px;margin-top:16px}
  .article-fig img{display:block;width:100%;margin:12px 0}
  .paper{padding:30px 22px;border-radius:12px}
  .paper-title{font-size:21px}
  .paper-authors{font-size:13px;margin-bottom:18px}
  .paper-abstract{padding:14px 16px}
  .paper-abstract p{font-size:14px}
  .paper-line{font-size:14px}
  .paper-codes{font-size:12px;padding-bottom:16px;margin-bottom:20px}
  .paper-h2{font-size:18px}
  .paper-para{font-size:14px;line-height:1.9;text-align:left;margin-bottom:22px}
}