:root{
  --primary:#165DFF; --primary-dark:#0E42C8; --primary-soft:#E8F0FF;
  --secondary:#36D399; --secondary-dark:#1FA06F; --secondary-soft:#E6F9F1;
  --bg:#F7F8FA; --bg-alt:#FFFFFF; --bg-deep:#0A1628;
  --text:#1D2129; --text-2:#4E5969; --text-3:#86909C;
  --border:#E5E6EB; --border-light:#F2F3F5;
  --r-sm:8px; --r-md:12px; --r-lg:16px; --r-xl:24px;
  --sh-sm:0 1px 2px rgba(0,0,0,.04);
  --sh-md:0 4px 16px rgba(0,0,0,.06);
  --sh-lg:0 8px 32px rgba(0,0,0,.08);
  --sh-xl:0 16px 48px rgba(22,93,255,.16);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,sans-serif;
  --maxw:1280px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.container{max-width:var(--maxw);margin:0 auto;padding:0 40px}
@media(max-width:768px){.container{padding:0 20px}}

/* ===== 导航 ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;height:72px;background:rgba(255,255,255,.72);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(229,230,235,.5);transition:box-shadow .3s,background .3s}
.nav.scrolled{box-shadow:var(--sh-md);background:rgba(255,255,255,.92)}
.nav-inner{max-width:var(--maxw);margin:0 auto;height:72px;padding:0 40px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.nav-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.2rem;letter-spacing:.5px}
.nav-logo-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--primary),#3D7BFF);display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;box-shadow:0 4px 12px rgba(22,93,255,.35)}
.nav-logo-mark svg{width:24px;height:24px}
.nav-logo b{color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:8px 13px;border-radius:var(--r-sm);font-size:.95rem;font-weight:600;color:var(--text-2);transition:color .2s,background .2s}
.nav-links a:hover{color:var(--primary);background:var(--primary-soft)}
.nav-cta{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;border-radius:var(--r-sm);background:var(--primary);color:#fff;font-weight:700;font-size:.95rem;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 14px rgba(22,93,255,.3)}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(22,93,255,.42)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:transform .3s,opacity .3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:1024px){
  .nav-links{position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;background:#fff;padding:16px 20px 24px;gap:6px;box-shadow:var(--sh-lg);transform:translateY(-12px);opacity:0;visibility:hidden;transition:all .3s}
  .nav-links.open{transform:translateY(0);opacity:1;visibility:visible}
  .nav-links a{padding:14px 16px;font-size:1.05rem;border-bottom:1px solid var(--border-light)}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
}

/* ===== Hero ===== */
.hero{position:relative;padding:160px 0 100px;background:linear-gradient(160deg,#0A1628,#0F2440 30%,#0D1B3E 60%,#0A1628);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:80px 80px;-webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 40%,transparent 100%);mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 40%,transparent 100%)}
.hero-glow{position:absolute;border-radius:50%;filter:blur(120px);opacity:.15;pointer-events:none}
.hero-glow.blue{width:600px;height:600px;background:#165DFF;top:-120px;right:-100px}
.hero-glow.green{width:600px;height:600px;background:#36D399;bottom:-160px;left:-120px}
.particles{position:absolute;inset:0;pointer-events:none}
.particle{position:absolute;width:2px;height:2px;background:#36D399;border-radius:50%;opacity:.6;animation:float linear infinite}
@keyframes float{0%{transform:translateY(0) translateX(0);opacity:0}15%{opacity:.6}85%{opacity:.6}100%{transform:translateY(-90vh) translateX(30px);opacity:0}}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:10px;padding:8px 18px;border-radius:20px;background:rgba(22,93,255,.18);border:1px solid rgba(22,93,255,.35);font-size:.88rem;font-weight:600;margin-bottom:26px}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--secondary);box-shadow:0 0 0 0 rgba(54,211,153,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(54,211,153,.55)}70%{box-shadow:0 0 0 10px rgba(54,211,153,0)}100%{box-shadow:0 0 0 0 rgba(54,211,153,0)}}
.hero h1{font-size:clamp(1.7rem,3.4vw,3rem);font-weight:800;line-height:1.25;letter-spacing:.5px}
.hero h1 .hl{background:linear-gradient(90deg,#36D399,#6ee7b7);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-desc{color:rgba(255,255,255,.72);font-size:1.06rem;line-height:1.85;margin:24px 0 34px;max-width:560px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 30px;border-radius:10px;font-weight:700;font-size:1rem;transition:transform .2s,box-shadow .2s,background .2s}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 24px rgba(22,93,255,.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(22,93,255,.5);background:#2E74FF}
.btn-outline{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.3)}
.btn-outline:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.hero-chips{display:flex;gap:12px;flex-wrap:wrap;margin-top:36px}
.hero-chip{padding:10px 18px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);font-size:.86rem;color:rgba(255,255,255,.82)}
.hero-chip b{color:var(--secondary);font-size:1.05rem;margin-right:4px}
/* 轮播 */
.hero-carousel{position:relative;aspect-ratio:4/3;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-xl);border:1px solid rgba(255,255,255,.12)}
.hero-carousel a{position:absolute;inset:0;z-index:1}
.hero-carousel img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:0;transition:opacity .8s ease}
.hero-carousel img.active{opacity:1}
.carousel-dots{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:3}
.carousel-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.4);transition:all .3s;cursor:pointer}
.carousel-dot.active{width:24px;border-radius:4px;background:#fff}
.hero-carousel .slide-label{position:absolute;left:20px;bottom:20px;z-index:3;color:#fff;font-size:.85rem;font-weight:600;background:rgba(10,22,40,.6);backdrop-filter:blur(8px);padding:6px 14px;border-radius:8px;pointer-events:none}
@media(max-width:1024px){
  .hero{padding:130px 0 70px}
  .hero-inner{grid-template-columns:1fr;gap:48px}
  .hero-desc{max-width:100%}
}
@media(max-width:480px){.hero{padding-top:100px}}

/* ===== 区块通用 ===== */
.section{padding:100px 0}
.section.alt{background:var(--bg-alt)}
.section.deep{background:var(--bg-deep);color:#fff}
@media(max-width:768px){.section{padding:60px 0}}
.sec-head{text-align:center;max-width:760px;margin:0 auto 60px}
.sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.85rem;font-weight:700;color:var(--primary);letter-spacing:2px;margin-bottom:14px}
.sec-eyebrow::before,.sec-eyebrow::after{content:"";width:20px;height:2px;background:var(--primary);border-radius:2px}
.sec-title{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;line-height:1.3}
.sec-sub{color:var(--text-2);font-size:1.05rem;margin-top:16px}
.sec-head.light .sec-sub{color:rgba(255,255,255,.65)}

/* 滚动显现 */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ===== 数据面板 ===== */
.stats-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.stat-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:32px 20px;text-align:center;transition:transform .3s,box-shadow .3s;box-shadow:var(--sh-sm)}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg)}
.stat-icon{width:52px;height:52px;margin:0 auto 16px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.4rem}
.stat-icon.blue{background:var(--primary-soft)}
.stat-icon.green{background:var(--secondary-soft)}
.stat-num{font-size:2.1rem;font-weight:800;color:var(--primary);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-num.green{color:var(--secondary-dark)}
.stat-num .unit{font-size:1.05rem;font-weight:700}
.stat-label{font-size:.9rem;color:var(--text-2);margin-top:8px;font-weight:600}
@media(max-width:1024px){.stats-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:768px){.stats-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.stats-grid{grid-template-columns:1fr}}

/* ===== 三方协同 ===== */
.partner-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.partner-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);padding:40px 32px;transition:transform .3s,box-shadow .3s;position:relative;overflow:hidden}
.partner-card:hover{transform:translateY(-6px);box-shadow:var(--sh-lg)}
.partner-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary),var(--secondary))}
.partner-card .logo-badge{width:64px;height:64px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.8rem;font-weight:800;color:#fff;margin-bottom:20px}
.partner-card .logo-badge.b1{background:linear-gradient(135deg,#165DFF,#3D7BFF)}
.partner-card .logo-badge.b2{background:linear-gradient(135deg,#36D399,#0E9F6E)}
.partner-card .logo-badge.b3{background:linear-gradient(135deg,#7C3AED,#A78BFA)}
.partner-card h3{font-size:1.3rem;font-weight:700;margin-bottom:6px}
.partner-card .role{font-size:.86rem;color:var(--primary);font-weight:700;margin-bottom:16px}
.partner-card p{color:var(--text-2);font-size:.96rem}
.partner-card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.partner-card .tag{font-size:.78rem;padding:5px 12px;border-radius:20px;background:var(--bg);color:var(--text-2);font-weight:600}
@media(max-width:1024px){.partner-grid{grid-template-columns:1fr}}

/* ===== 痛点 vs 方案 ===== */
.pain-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.pain-card{background:#fff;border-radius:var(--r-lg);padding:32px;border:1px solid var(--border);transition:transform .3s,box-shadow .3s}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.pain-card .pain-head{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.pain-card .idx{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.05rem;flex-shrink:0}
.pain-card.old .idx{background:#FEF2F2;color:#DC2626}
.pain-card.new .idx{background:var(--secondary-soft);color:var(--secondary-dark)}
.pain-card h3{font-size:1.12rem;font-weight:700}
.pain-card.old h3{color:#DC2626}
.pain-card.new h3{color:var(--secondary-dark)}
.pain-card .old-txt{color:var(--text-3);font-size:.96rem;line-height:1.7}
.pain-card.new .old-txt{color:var(--text-2)}
.pain-arrow{display:flex;align-items:center;justify-content:center;color:var(--text-3);font-size:1.3rem}
@media(max-width:768px){.pain-wrap{grid-template-columns:1fr}.pain-arrow{transform:rotate(90deg)}}

/* ===== 四大核心能力 ===== */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:80px 0;border-bottom:1px solid var(--border-light)}
.feature:last-child{border-bottom:none}
.feature.reverse .feature-media{order:2}
.feature-media{position:relative}
.feature-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-xl);box-shadow:var(--sh-lg)}
.feature-media .float-card{position:absolute;background:#fff;border-radius:var(--r-md);box-shadow:var(--sh-xl);padding:16px 20px;display:flex;align-items:center;gap:12px}
.feature-media .float-card .fc-num{font-size:1.6rem;font-weight:800;color:var(--primary)}
.feature-media .float-card .fc-label{font-size:.8rem;color:var(--text-2);font-weight:600}
.float-card.fc1{bottom:-20px;right:24px}
.float-card.fc2{top:-20px;left:24px}
.feature-kicker{font-size:.86rem;font-weight:800;color:var(--primary);letter-spacing:1px;margin-bottom:10px}
.feature h2{font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:800;margin-bottom:18px;line-height:1.35}
.feature-desc{color:var(--text-2);font-size:1.02rem;margin-bottom:24px}
.feature-points{display:flex;flex-direction:column;gap:14px}
.feature-point{display:flex;gap:12px;align-items:flex-start}
.feature-point .fp-icon{width:26px;height:26px;border-radius:8px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:.85rem;font-weight:800;margin-top:2px}
.feature-point b{display:block;font-size:.99rem;font-weight:700}
.feature-point span{color:var(--text-2);font-size:.92rem}
@media(max-width:1024px){.feature{grid-template-columns:1fr;gap:40px;padding:56px 0}.feature.reverse .feature-media{order:0}}

/* ===== 验收标准 ===== */
.standard-panel{background:#fff;border-radius:var(--r-xl);box-shadow:var(--sh-lg);overflow:hidden;border:1px solid var(--border)}
.standard-tabs{display:flex;gap:0;background:var(--bg);border-bottom:1px solid var(--border);overflow-x:auto}
.standard-tab{padding:18px 28px;font-size:.95rem;font-weight:700;color:var(--text-2);white-space:nowrap;border-bottom:3px solid transparent;transition:all .25s}
.standard-tab.active{color:var(--primary);border-bottom-color:var(--primary);background:#fff}
.standard-body{padding:40px}
.standard-table{width:100%;border-collapse:collapse}
.standard-table th,.standard-table td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--border-light);font-size:.95rem}
.standard-table th{background:var(--bg);font-weight:700;color:var(--text);white-space:nowrap}
.standard-table td:first-child{font-weight:600;color:var(--text)}
.standard-table .target{font-weight:800;color:var(--primary);font-size:1.1rem}
.standard-table .pass{color:var(--secondary-dark);font-weight:700}
@media(max-width:768px){.standard-body{padding:24px}.standard-table th,.standard-table td{padding:12px;font-size:.85rem}.standard-tab{padding:14px 18px}}

/* ===== 服务体系 ===== */
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.service-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:36px 28px;transition:transform .3s,box-shadow .3s}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--sh-lg)}
.service-card .s-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin-bottom:20px}
.service-card .s-icon.c1{background:var(--primary-soft)}
.service-card .s-icon.c2{background:var(--secondary-soft)}
.service-card h3{font-size:1.12rem;font-weight:700;margin-bottom:12px}
.service-card p{color:var(--text-2);font-size:.92rem}
@media(max-width:1024px){.service-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.service-grid{grid-template-columns:1fr}}

/* ===== 未来展望 ===== */
.future-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.future-card{position:relative;border-radius:var(--r-xl);padding:44px 40px;background:linear-gradient(160deg,rgba(22,93,255,.1),rgba(54,211,153,.08));border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(6px);overflow:hidden;transition:transform .3s}
.future-card:hover{transform:translateY(-4px)}
.future-card .f-num{font-size:3rem;font-weight:800;background:linear-gradient(90deg,#36D399,#6ee7b7);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.future-card h3{font-size:1.35rem;font-weight:700;margin:16px 0 12px;color:#fff}
.future-card p{color:rgba(255,255,255,.72);font-size:.97rem}
.future-card .f-badge{position:absolute;top:20px;right:24px;font-size:.78rem;padding:5px 14px;border-radius:20px;background:rgba(54,211,153,.18);color:var(--secondary);font-weight:700;border:1px solid rgba(54,211,153,.35)}
@media(max-width:768px){.future-grid{grid-template-columns:1fr}}

/* ===== FAQ ===== */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);margin-bottom:14px;overflow:hidden;transition:box-shadow .3s}
.faq-item.open{box-shadow:var(--sh-md)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 26px;text-align:left;font-size:1.02rem;font-weight:700;color:var(--text)}
.faq-q .faq-ico{width:28px;height:28px;border-radius:8px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0;transition:transform .3s}
.faq-item.open .faq-ico{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-inner{padding:0 26px 24px;color:var(--text-2);font-size:.97rem;line-height:1.85}

/* ===== CTA ===== */
.cta{position:relative;padding:100px 0;background:linear-gradient(160deg,#0A1628,#0F2440 40%,#0D1B3E 70%,#0A1628);color:#fff;overflow:hidden;text-align:center}
.cta::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 0%,rgba(22,93,255,.25),transparent 60%)}
.cta .container{position:relative;z-index:2}
.cta h2{font-size:clamp(1.6rem,3vw,2.3rem);font-weight:800;margin-bottom:18px}
.cta p{color:rgba(255,255,255,.72);font-size:1.05rem;max-width:640px;margin:0 auto 36px}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cta-contact{display:flex;justify-content:center;gap:40px;flex-wrap:wrap;margin-top:48px}
.cta-contact .ci{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.75);font-size:.95rem}
.cta-contact .ci b{color:#fff}

/* ===== Footer ===== */
.footer{background:#060D1A;color:rgba(255,255,255,.6);padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .nav-logo{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:.9rem;line-height:1.8;max-width:320px}
.footer h4{color:#fff;font-size:1rem;font-weight:700;margin-bottom:18px}
.footer ul li{margin-bottom:12px}
.footer ul a{font-size:.9rem;transition:color .2s}
.footer ul a:hover{color:var(--secondary)}
.footer-contact li{display:flex;gap:8px;font-size:.9rem;line-height:1.8}
.footer-contact li b{color:rgba(255,255,255,.85);white-space:nowrap}
.footer-bottom{text-align:center;padding-top:28px;font-size:.84rem;color:rgba(255,255,255,.45)}
.footer-bottom a{color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:var(--secondary)}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr}}

/* 回到顶部 */
.backtop{position:fixed;right:28px;bottom:28px;width:48px;height:48px;border-radius:12px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-lg);opacity:0;visibility:hidden;transform:translateY(16px);transition:all .3s;z-index:900}
.backtop.show{opacity:1;visibility:visible;transform:translateY(0)}
.backtop:hover{background:var(--primary-dark)}

/* ===== 子页面通用 ===== */
.page-hero{position:relative;padding:150px 0 70px;background:linear-gradient(160deg,#0A1628,#0F2440 30%,#0D1B3E 60%,#0A1628);color:#fff;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:80px 80px;-webkit-mask-image:radial-gradient(ellipse 70% 80% at 50% 30%,#000 40%,transparent 100%);mask-image:radial-gradient(ellipse 70% 80% at 50% 30%,#000 40%,transparent 100%)}
.page-hero .glow{position:absolute;border-radius:50%;filter:blur(120px);opacity:.15;pointer-events:none}
.page-hero .glow.blue{width:500px;height:500px;background:#165DFF;top:-100px;right:-80px}
.page-hero .glow.green{width:500px;height:500px;background:#36D399;bottom:-140px;left:-100px}
.page-hero-inner{position:relative;z-index:2;text-align:center;max-width:820px;margin:0 auto}
.page-hero h1{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800;line-height:1.3}
.page-hero h1 .hl{background:linear-gradient(90deg,#36D399,#6ee7b7);-webkit-background-clip:text;background-clip:text;color:transparent}
.page-hero p{color:rgba(255,255,255,.7);font-size:1.05rem;margin-top:18px;line-height:1.85}
.breadcrumb{position:relative;z-index:2;display:inline-flex;align-items:center;gap:8px;font-size:.85rem;color:rgba(255,255,255,.6);margin-bottom:20px;padding:8px 18px;border-radius:20px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15)}
.breadcrumb a{color:var(--secondary);transition:color .2s}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.5}

/* 时间线 (案例页) */
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:32px}
.timeline::before{content:"";position:absolute;left:10px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--primary),var(--secondary))}
.tl-item{position:relative;padding:0 0 40px 28px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-28px;top:6px;width:14px;height:14px;border-radius:50%;background:#fff;border:4px solid var(--primary);box-shadow:0 0 0 4px rgba(22,93,255,.15)}
.tl-item.alt::before{border-color:var(--secondary);box-shadow:0 0 0 4px rgba(54,211,153,.15)}
.tl-year{font-size:.82rem;font-weight:800;color:var(--primary);letter-spacing:1px;margin-bottom:6px}
.tl-item.alt .tl-year{color:var(--secondary-dark)}
.tl-item h3{font-size:1.12rem;font-weight:700;margin-bottom:8px}
.tl-item p{color:var(--text-2);font-size:.95rem;line-height:1.8}

/* 柱状对比图 (案例页) */
.chart-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.chart-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:32px}
.chart-card h3{font-size:1.05rem;font-weight:700;margin-bottom:24px;text-align:center}
.bar-row{display:flex;align-items:center;gap:16px;margin-bottom:18px}
.bar-label{width:120px;font-size:.88rem;color:var(--text-2);font-weight:600;text-align:right;flex-shrink:0}
.bar-track{flex:1;background:var(--bg);border-radius:8px;height:34px;overflow:hidden;position:relative}
.bar-fill{height:100%;border-radius:8px;background:linear-gradient(90deg,var(--primary),#3D7BFF);color:#fff;font-size:.82rem;font-weight:700;display:flex;align-items:center;justify-content:flex-end;padding-right:10px;width:0;transition:width 1.2s cubic-bezier(.22,1,.36,1)}
.bar-fill.green{background:linear-gradient(90deg,var(--secondary),#6ee7b7)}
.bar-fill.old{background:#E5E6EB;color:var(--text-3)}
@media(max-width:768px){.chart-grid{grid-template-columns:1fr}.bar-label{width:90px;font-size:.8rem}}

/* 案例引言 */
.quote-card{background:linear-gradient(160deg,var(--primary-soft),var(--secondary-soft));border-radius:var(--r-xl);padding:48px 44px;text-align:center;position:relative}
.quote-card .q-mark{font-size:3rem;color:var(--primary);opacity:.25;line-height:1;position:absolute;top:24px;left:32px}
.quote-card blockquote{font-size:1.15rem;font-weight:700;color:var(--text);line-height:1.8;max-width:720px;margin:0 auto}
.quote-card .q-author{margin-top:20px;font-size:.92rem;color:var(--text-2)}
.quote-card .q-author b{color:var(--primary)}

/* FAQ 分类 */
.faq-cats{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:48px}
.faq-cat{padding:10px 22px;border-radius:20px;background:#fff;border:1px solid var(--border);font-size:.92rem;font-weight:700;color:var(--text-2);transition:all .2s}
.faq-cat:hover,.faq-cat.active{color:var(--primary);border-color:var(--primary);background:var(--primary-soft)}
.faq-cat-group{margin-bottom:48px}
.faq-cat-group h2{font-size:1.3rem;font-weight:800;margin-bottom:20px;display:flex;align-items:center;gap:10px}
.faq-cat-group h2 .dot{width:10px;height:10px;border-radius:50%;background:var(--primary);display:inline-block}
.faq-cat-group h2 .dot.g{background:var(--secondary)}

/* 技术参数卡 */
.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tech-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:36px 30px;transition:transform .3s,box-shadow .3s}
.tech-card:hover{transform:translateY(-6px);box-shadow:var(--sh-lg)}
.tech-card .t-icon{width:60px;height:60px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.7rem;margin-bottom:20px;background:var(--primary-soft)}
.tech-card:nth-child(even) .t-icon{background:var(--secondary-soft)}
.tech-card h3{font-size:1.15rem;font-weight:700;margin-bottom:12px}
.tech-card p{color:var(--text-2);font-size:.94rem;line-height:1.8}
.tech-card .t-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tech-card .t-tag{font-size:.76rem;padding:4px 12px;border-radius:16px;background:var(--bg);color:var(--text-2);font-weight:600}
@media(max-width:1024px){.tech-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.tech-grid{grid-template-columns:1fr}}

/* 关键指标大卡 */
.metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:30px 22px;text-align:center;box-shadow:var(--sh-sm)}
.metric-card .m-num{font-size:2rem;font-weight:800;color:var(--primary);line-height:1.2}
.metric-card .m-num.g{color:var(--secondary-dark)}
.metric-card .m-label{font-size:.88rem;color:var(--text-2);margin-top:8px;font-weight:600}
@media(max-width:1024px){.metric-row{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.metric-row{grid-template-columns:1fr}}

/* ===== 产品宣传视频 ===== */
.video-frame{position:relative;max-width:960px;margin:0 auto;aspect-ratio:16/9;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-xl);background:#0A1628;cursor:pointer}
.video-frame img{width:100%;height:100%;object-fit:cover;opacity:.55}
.video-frame .play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:92px;height:92px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#3D7BFF);display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 0 rgba(22,93,255,.5);animation:playPulse 2.2s infinite}
.video-frame .play-btn::after{content:"";width:0;height:0;border-style:solid;border-width:15px 0 15px 25px;border-color:transparent transparent transparent #fff;margin-left:6px}
@keyframes playPulse{0%{box-shadow:0 0 0 0 rgba(22,93,255,.5)}70%{box-shadow:0 0 0 26px rgba(22,93,255,0)}100%{box-shadow:0 0 0 0 rgba(22,93,255,0)}}
.video-frame .v-label{position:absolute;left:20px;bottom:20px;color:#fff;font-size:.9rem;font-weight:600;background:rgba(10,22,40,.6);backdrop-filter:blur(8px);padding:8px 16px;border-radius:8px}
.video-frame .v-corner{position:absolute;top:20px;right:20px;color:rgba(255,255,255,.8);font-size:.8rem;font-weight:700;background:rgba(22,93,255,.25);border:1px solid rgba(22,93,255,.5);padding:5px 14px;border-radius:20px}
.video-caption{text-align:center;color:var(--text-3);font-size:.9rem;margin-top:20px}
@media(max-width:768px){.video-frame .play-btn{width:64px;height:64px}.video-frame .play-btn::after{border-width:10px 0 10px 17px}}

/* ===== 三大版本定价卡 ===== */
.version-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.version-card{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);padding:44px 32px 36px;transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}
.version-card:hover{transform:translateY(-6px);box-shadow:var(--sh-lg)}
.version-card.popular{border:2px solid var(--primary);box-shadow:0 16px 48px rgba(22,93,255,.14);background:linear-gradient(180deg,#fff,var(--primary-soft) 130%)}
.version-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(90deg,var(--primary),#3D7BFF);color:#fff;font-size:.78rem;font-weight:700;padding:6px 18px;border-radius:20px;box-shadow:0 6px 16px rgba(22,93,255,.4);white-space:nowrap}
.version-name{font-size:1.3rem;font-weight:800;margin-bottom:4px}
.version-sub{font-size:.86rem;color:var(--text-3);margin-bottom:24px}
.version-price{display:flex;align-items:baseline;gap:6px;margin-bottom:6px}
.version-price .cur{font-size:2.4rem;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1}
.version-price .cur small{font-size:1.05rem}
.version-price .unit{font-size:.95rem;color:var(--text-2);font-weight:600}
.version-desc{font-size:.87rem;color:var(--text-3);margin-bottom:24px;line-height:1.6}
.version-list{display:flex;flex-direction:column;gap:12px;margin-bottom:30px;flex:1}
.version-list li{display:flex;gap:10px;align-items:flex-start;font-size:.92rem;color:var(--text-2);line-height:1.6}
.version-list li::before{content:"✓";flex-shrink:0;width:20px;height:20px;border-radius:6px;background:var(--secondary-soft);color:var(--secondary-dark);display:flex;align-items:center;justify-content:center;font-size:.72rem;font-weight:800;margin-top:3px}
.version-cta{display:block;text-align:center;padding:13px;border-radius:10px;font-weight:700;font-size:.95rem;border:1px solid var(--primary);color:var(--primary);transition:all .2s}
.version-cta:hover{background:var(--primary);color:#fff}
.version-card.popular .version-cta{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(22,93,255,.35)}
.version-card.popular .version-cta:hover{background:var(--primary-dark)}
@media(max-width:1024px){.version-grid{grid-template-columns:1fr;max-width:460px;margin:0 auto}.version-card.popular{order:-1}}

/* ===== 五步操作流程 ===== */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-top:20px}
.step{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:40px 22px 30px;position:relative;transition:transform .3s,box-shadow .3s}
.step:hover{transform:translateY(-6px);box-shadow:var(--sh-lg)}
.step-num{position:absolute;top:-18px;left:22px;width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--primary),#3D7BFF);color:#fff;font-weight:800;font-size:1.1rem;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(22,93,255,.35)}
.step:nth-child(even) .step-num{background:linear-gradient(135deg,var(--secondary),#0E9F6E);box-shadow:0 6px 16px rgba(54,211,153,.35)}
.step-icon{font-size:1.7rem;margin:6px 0 12px}
.step h3{font-size:1.05rem;font-weight:700;margin-bottom:10px}
.step p{color:var(--text-2);font-size:.88rem;line-height:1.7}
@media(max-width:1024px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}

/* ===== 五大落地价值 ===== */
.value-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.value-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-lg);padding:34px 20px;text-align:center;transition:transform .3s,background .3s}
.value-card:hover{transform:translateY(-6px);background:rgba(255,255,255,.08)}
.value-card .v-icon{font-size:2rem;margin-bottom:14px}
.value-card h3{font-size:1.1rem;font-weight:800;color:#fff;margin-bottom:10px}
.value-card p{color:rgba(255,255,255,.68);font-size:.86rem;line-height:1.7}
@media(max-width:1024px){.value-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.value-grid{grid-template-columns:1fr}}

/* ===== 适用场景卡 ===== */
.scenario-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.scenario-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:36px 28px;transition:transform .3s,box-shadow .3s;position:relative;overflow:hidden}
.scenario-card:hover{transform:translateY(-6px);box-shadow:var(--sh-lg)}
.scenario-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary),var(--secondary))}
.scenario-card .s-num{font-size:2.5rem;font-weight:800;color:var(--primary-soft);line-height:1;margin-bottom:14px;font-variant-numeric:tabular-nums}
.scenario-card h3{font-size:1.08rem;font-weight:700;margin-bottom:12px;line-height:1.5}
.scenario-card p{color:var(--text-2);font-size:.9rem;line-height:1.7}
@media(max-width:1024px){.scenario-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.scenario-grid{grid-template-columns:1fr}}

/* ===== 核心配件清单 ===== */
.accessory-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.accessory-card{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:26px 24px;transition:transform .3s,box-shadow .3s}
.accessory-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.accessory-card .a-icon{width:50px;height:50px;border-radius:14px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:1.5rem;background:var(--primary-soft)}
.accessory-card:nth-child(even) .a-icon{background:var(--secondary-soft)}
.accessory-card h4{font-size:1rem;font-weight:700;margin-bottom:6px}
.accessory-card p{color:var(--text-2);font-size:.86rem;line-height:1.6}
@media(max-width:1024px){.accessory-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.accessory-grid{grid-template-columns:1fr}}

/* ===== 专利证书（单个） ===== */
.patent-single{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;max-width:1000px;margin:0 auto}
.patent-media{background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);padding:20px;box-shadow:var(--sh-lg)}
.patent-media img{width:100%;height:auto;border-radius:8px}
.patent-tag{display:inline-flex;align-items:center;gap:8px;padding:7px 18px;border-radius:20px;background:var(--primary-soft);color:var(--primary);font-weight:700;font-size:.86rem;margin-bottom:22px}
.patent-info h3{font-size:clamp(1.3rem,2.2vw,1.7rem);font-weight:800;line-height:1.4;margin-bottom:14px}
.patent-no{font-size:1.02rem;color:var(--text-2);font-weight:600;margin-bottom:20px}
.patent-no b{color:var(--primary);font-variant-numeric:tabular-nums}
.patent-desc{color:var(--text-2);line-height:1.9;font-size:1rem}
@media(max-width:768px){.patent-single{grid-template-columns:1fr;gap:36px}}


/* ===== 移动端导航优化（logo与产品名不拥挤） ===== */
@media(max-width:768px){
  .nav-inner{padding:0 16px;gap:10px}
  .nav .nav-logo{gap:8px;font-size:1rem;min-width:0}
  .nav .nav-logo img{height:30px!important;width:auto!important;flex-shrink:0}
  .nav .nav-logo span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
}

/* 研发历程横向时间轴 */
.roadmap-h{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:48px;margin-top:50px}
.roadmap-h::before{content:"";position:absolute;top:116px;left:12.5%;right:12.5%;height:2px;background:linear-gradient(90deg,var(--primary),var(--secondary));z-index:1}
.roadmap-node{display:flex;flex-direction:column;align-items:center;text-align:center}
.roadmap-node .thumb{width:120px;height:90px;object-fit:cover;border-radius:10px;margin-bottom:18px;box-shadow:var(--sh-md)}
.roadmap-node .ico{width:120px;height:90px;border-radius:10px;background:linear-gradient(135deg,var(--primary-soft),var(--secondary-soft));display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--primary)}
.roadmap-node .ico svg{width:40px;height:40px}
.roadmap-node .dot{width:16px;height:16px;border-radius:50%;background:var(--primary);border:4px solid #fff;box-shadow:0 0 0 3px rgba(22,93,255,.18);margin-bottom:14px;z-index:2;flex-shrink:0}
.roadmap-node .ver{font-size:1rem;font-weight:800;color:var(--primary);margin-bottom:4px}
.roadmap-node .period{font-size:.82rem;color:var(--text-3);margin-bottom:10px}
.roadmap-node .txt{font-size:.88rem;color:var(--text-2);line-height:1.7}
@media(max-width:900px){.roadmap-h{grid-template-columns:1fr;gap:36px}.roadmap-h::before{display:none}}
.roadmap-img{max-width:900px;margin:0 auto}
.roadmap-img img{width:100%;height:auto;border-radius:var(--r-lg)}

/* 统一页脚 */
.site-footer{position:relative;background:linear-gradient(160deg,#0A1628,#0F2440 30%,#0D1B3E 60%,#0A1628);color:#fff;padding:56px 24px 30px;overflow:hidden}
.site-footer-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.site-footer-glow{position:absolute;width:500px;height:500px;border-radius:50%;filter:blur(120px);opacity:.14;pointer-events:none}
.site-footer-glow--blue{background:#165DFF;top:-130px;right:-100px;animation:footerFloat 9s ease-in-out infinite}
.site-footer-glow--green{background:#36D399;bottom:-160px;left:-100px;animation:footerFloat 11s ease-in-out infinite reverse}
@keyframes footerFloat{0%,100%{transform:translate(0,0)}50%{transform:translate(30px,-30px)}}
.site-footer-inner{position:relative;z-index:2;max-width:1200px;margin:0 auto}
.site-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.site-footer-brand{display:flex;flex-direction:column;gap:16px}
.site-footer-brand img{height:42px;width:auto;align-self:flex-start}
.site-footer-brand p{font-size:.88rem;color:rgba(255,255,255,.62);line-height:1.85}
.site-footer-title{font-size:.95rem;font-weight:700;color:#fff;margin-bottom:16px}
.site-footer-col{display:flex;flex-direction:column;gap:11px}
.site-footer-col a{font-size:.88rem;color:rgba(255,255,255,.62);transition:color .2s;text-decoration:none}
.site-footer-col a:hover{color:#8FB6FF}
.site-footer-bottom{margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);text-align:center}
.site-footer-copy{font-size:.82rem;color:rgba(255,255,255,.45);white-space:nowrap}
.site-footer-copy a{color:inherit;transition:color .2s;text-decoration:none}
.site-footer-copy a:hover{color:#38BDF8}
@media(max-width:768px){.site-footer-grid{grid-template-columns:1fr 1fr;gap:28px}.site-footer-brand{grid-column:1/-1}.site-footer-copy{white-space:normal}}
@media(max-width:480px){.site-footer-grid{grid-template-columns:1fr}}