:root{color-scheme:light;--bg:#f5f8ff;--bg2:#edf3ff;--surface:rgba(255,255,255,.82);--surface-solid:#fff;--text:#071632;--text2:#30415f;--muted:#6d7d98;--line:rgba(86,108,145,.2);--brand:#3B6BFF;--brand2:#7048FF;--shadow:0 26px 80px rgba(20,42,86,.12);--header-h:78px}
html.dark{color-scheme:dark;--bg:#050a13;--bg2:#091225;--surface:rgba(10,21,40,.76);--surface-solid:#0b1629;--text:#f3f7ff;--text2:#c7d3e8;--muted:#8fa0bc;--line:rgba(148,163,184,.16);--shadow:0 28px 90px rgba(0,0,0,.38)}
.fa-icon{width:1em;height:1em;display:inline-block;fill:currentColor;flex:0 0 auto}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;min-width:320px;overflow-x:hidden;background:radial-gradient(circle at 10% 5%,rgba(59,107,255,.14),transparent 30rem),radial-gradient(circle at 90% 10%,rgba(112,72,255,.12),transparent 28rem),var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body.menu-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}img,svg{max-width:100%;display:block}.skip-link{position:fixed;left:12px;top:10px;z-index:999;transform:translateY(-160%);padding:10px 14px;border-radius:10px;background:var(--brand);color:#fff;font-weight:800}.skip-link:focus{transform:translateY(0)}:focus-visible{outline:3px solid rgba(59,107,255,.5);outline-offset:3px}.container{width:min(100% - 36px,1440px);margin-inline:auto}.section{padding:96px 0}.section-soft{background:linear-gradient(180deg,rgba(59,107,255,.07),transparent)}.eyebrow{display:inline-flex;align-items:center;gap:10px;color:#6ea2ff;font-size:13px;font-weight:900;letter-spacing:.1em}.eyebrow:before{content:"";width:28px;height:2px;border-radius:9px;background:currentColor}.section-title{margin:12px 0 0;font-size:clamp(32px,4.6vw,58px);line-height:1.1;letter-spacing:-.04em}.section-desc{max-width:850px;margin:20px 0 0;color:var(--muted);font-size:16px;line-height:1.9}.center{text-align:center}.center .section-desc{margin-inline:auto}.gradient-text{color:transparent;background:linear-gradient(100deg,#65a1ff,#7b74ff 48%,#b07cff);background-clip:text;-webkit-background-clip:text}.reveal{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s ease}.reveal.visible{opacity:1;transform:none}
.site-header{position:fixed;inset:0 0 auto;z-index:100;padding:10px 14px;pointer-events:none}.header-shell{width:min(100%,1680px);height:68px;margin:auto;padding:0 14px;border:1px solid transparent;border-radius:24px;display:flex;align-items:center;gap:18px;pointer-events:auto;transition:.25s ease}.site-header.scrolled .header-shell{background:rgba(7,16,31,.84);border-color:rgba(148,163,184,.18);box-shadow:0 20px 55px rgba(0,0,0,.28);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px)}html:not(.dark) .site-header.scrolled .header-shell{background:rgba(255,255,255,.82);box-shadow:0 18px 50px rgba(18,39,83,.12)}.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}.brand-mark{width:46px;height:46px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(135deg,#3B6BFF,#7048FF);color:#fff;box-shadow:0 14px 35px rgba(59,107,255,.32);font-size:21px}.brand-copy strong{display:block;font-size:16px;line-height:1.2;white-space:nowrap}.brand-copy small{display:block;margin-top:4px;color:var(--muted);font-size:9px;font-weight:800;letter-spacing:.18em;white-space:nowrap}.desktop-nav{min-width:0;flex:1;display:flex;align-items:center;justify-content:center;gap:clamp(8px,1vw,18px)}.nav-link{position:relative;padding:12px 0;color:var(--text2);font-size:clamp(11px,.84vw,14px);font-weight:800;white-space:nowrap}.nav-link:after{content:"";position:absolute;left:0;right:100%;bottom:6px;height:2px;border-radius:9px;background:linear-gradient(90deg,#3B6BFF,#9B5CFF);transition:right .22s ease}.nav-link:hover,.nav-link.active{color:var(--text)}.nav-link:hover:after,.nav-link.active:after{right:0}.all-link{color:#82aaff}.header-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto}.icon-btn{width:44px;height:44px;border-radius:14px;border:1px solid var(--line);display:grid;place-items:center;background:var(--surface);color:var(--text2);transition:.2s ease}.icon-btn:hover{transform:translateY(-2px);border-color:rgba(59,107,255,.45);color:#70a5ff}.moon-icon{display:none}html.dark .sun-icon{display:none}html.dark .moon-icon{display:inline-block}.btn{min-height:46px;padding:11px 20px;border:1px solid transparent;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-size:14px;font-weight:900;transition:.22s ease}.btn:hover{transform:translateY(-2px)}.btn-primary{color:#fff;background:linear-gradient(100deg,#3B6BFF,#7048FF);box-shadow:0 14px 35px rgba(59,107,255,.28)}.btn-secondary{border-color:var(--line);background:var(--surface);color:var(--text)}.menu-toggle{display:none}.mobile-menu{position:fixed;inset:88px 14px auto;z-index:99;max-height:0;opacity:0;overflow:hidden;border:1px solid var(--line);border-radius:22px;background:rgba(7,16,31,.96);box-shadow:var(--shadow);pointer-events:none;transition:.3s ease}html:not(.dark) .mobile-menu{background:rgba(255,255,255,.97)}.mobile-menu.open{max-height:calc(100vh - 110px);opacity:1;overflow-y:auto;pointer-events:auto}.mobile-menu-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding:12px}.mobile-menu a{min-width:0;padding:14px;border-radius:14px;display:flex;align-items:center;gap:10px;color:var(--text2);font-weight:850}.mobile-menu a:hover,.mobile-menu a.active{background:rgba(59,107,255,.12);color:#6ea2ff}.mobile-demo{grid-column:1/-1;justify-content:center;background:linear-gradient(100deg,#3B6BFF,#7048FF)!important;color:#fff!important}
.hero{position:relative;min-height:100vh;padding:150px 0 90px;display:flex;align-items:center;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(108,130,168,.23) 1px,transparent 1px);background-size:23px 23px;mask-image:linear-gradient(#000,transparent 90%);opacity:.6}.hero-grid{position:relative;display:grid;grid-template-columns:1.03fr .97fr;gap:62px;align-items:center}.hero-badge{display:inline-flex;align-items:center;gap:9px;padding:8px 13px;border:1px solid rgba(89,139,255,.28);border-radius:999px;background:var(--surface);color:#73a7ff;font-size:12px;font-weight:900}.pulse{width:9px;height:9px;border-radius:50%;background:#30d59b;box-shadow:0 0 0 6px rgba(48,213,155,.12)}.hero h1{margin:24px 0 0;font-size:clamp(48px,6.3vw,88px);line-height:1.03;letter-spacing:-.055em}.hero-copy{max-width:720px;margin:26px 0 0;color:var(--text2);font-size:17px;line-height:1.95}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:31px}.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:11px;margin-top:35px}.stat-card{padding:16px;border:1px solid var(--line);border-radius:18px;background:var(--surface);backdrop-filter:blur(14px)}.stat-card strong{display:block;font-size:27px;line-height:1}.stat-card span{display:block;margin-top:8px;color:var(--muted);font-size:12px}.dashboard{position:relative;min-height:520px}.dash-glow{position:absolute;inset:12%;border-radius:50%;background:linear-gradient(135deg,rgba(59,107,255,.27),rgba(112,72,255,.22));filter:blur(55px)}.dash-window{position:absolute;inset:35px 5px 40px 25px;border:1px solid var(--line);border-radius:30px;padding:12px;background:var(--surface);box-shadow:var(--shadow);backdrop-filter:blur(20px)}.dash-inner{height:100%;border-radius:22px;overflow:hidden;background:var(--surface-solid);border:1px solid var(--line)}.dash-top{height:50px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:7px;padding:0 16px}.dash-top i{width:9px;height:9px;border-radius:50%;background:#fb7185}.dash-top i:nth-child(2){background:#fbbf24}.dash-top i:nth-child(3){background:#34d399}.dash-body{height:calc(100% - 50px);display:grid;grid-template-columns:82px 1fr}.dash-side{background:#071122;padding:14px 10px}.dash-side span{display:block;height:40px;margin-bottom:10px;border-radius:12px;background:rgba(255,255,255,.06)}.dash-side span:first-child{background:linear-gradient(100deg,#3B6BFF,#7048FF)}.dash-main{padding:20px}.dash-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.dash-kpi{height:72px;border-radius:16px;background:linear-gradient(145deg,rgba(59,107,255,.18),rgba(112,72,255,.06));border:1px solid var(--line)}.dash-chart{display:flex;align-items:flex-end;gap:9px;height:205px;margin-top:16px;padding:20px;border:1px solid var(--line);border-radius:20px}.dash-chart i{flex:1;border-radius:8px 8px 3px 3px;background:linear-gradient(#7e82ff,#3B6BFF)}.dash-chart i:nth-child(1){height:35%}.dash-chart i:nth-child(2){height:52%}.dash-chart i:nth-child(3){height:43%}.dash-chart i:nth-child(4){height:71%}.dash-chart i:nth-child(5){height:64%}.dash-chart i:nth-child(6){height:88%}.dash-chart i:nth-child(7){height:100%}.floating-card{position:absolute;padding:14px 16px;border:1px solid var(--line);border-radius:18px;background:var(--surface);box-shadow:var(--shadow);backdrop-filter:blur(15px);font-size:13px;font-weight:850}.floating-card.one{left:-10px;bottom:15px}.floating-card.two{right:-5px;top:8px}
.scene-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:42px}.scene-card{position:relative;overflow:hidden;min-height:225px;padding:25px;border:1px solid var(--line);border-radius:26px;background:var(--surface);box-shadow:0 16px 45px rgba(0,0,0,.08);transition:.25s ease}.scene-card:before{content:"";position:absolute;inset:auto -30px -50px auto;width:150px;height:150px;border-radius:50%;background:var(--accent);filter:blur(55px);opacity:.16}.scene-card:hover{transform:translateY(-7px);border-color:color-mix(in srgb,var(--accent) 45%,transparent)}.scene-icon,.module-icon,.arch-icon{width:52px;height:52px;border-radius:17px;display:grid;place-items:center;background:color-mix(in srgb,var(--accent) 15%,transparent);color:var(--accent);font-size:22px}.scene-card h3{margin:22px 0 0;font-size:21px}.scene-card p{margin:9px 0 0;color:var(--muted);font-size:14px}.scene-card span{display:inline-flex;align-items:center;gap:7px;margin-top:22px;color:var(--accent);font-size:13px;font-weight:900}.value-grid,.tech-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:42px}.value-card,.tech-card{padding:28px;border:1px solid var(--line);border-radius:26px;background:var(--surface)}.value-card i,.tech-card i{font-size:25px;color:#72a6ff}.value-card h3,.tech-card h3{margin:18px 0 0;font-size:21px}.value-card p,.tech-card p{margin:10px 0 0;color:var(--muted)}.cta{padding:48px;border:1px solid rgba(101,153,255,.28);border-radius:34px;background:linear-gradient(125deg,rgba(59,107,255,.95),rgba(112,72,255,.95));box-shadow:0 25px 80px rgba(59,107,255,.25);color:#fff;display:flex;justify-content:space-between;gap:30px;align-items:center}.cta h2{margin:0;font-size:clamp(30px,4vw,50px);line-height:1.12}.cta p{max-width:720px;margin:14px 0 0;color:#e1e8ff}.cta .btn-secondary{background:#fff;color:#142244;border-color:#fff;flex:0 0 auto}
.page-hero{position:relative;padding:150px 0 76px;overflow:hidden}.page-hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 30%,color-mix(in srgb,var(--accent) 20%,transparent),transparent 32rem)}.page-hero-grid{position:relative;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:end}.page-hero h1{margin:17px 0 0;font-size:clamp(44px,6vw,78px);line-height:1.05;letter-spacing:-.05em}.page-hero p{max-width:820px;margin:22px 0 0;color:var(--text2);font-size:17px}.page-icon{width:110px;height:110px;border-radius:32px;display:grid;place-items:center;background:color-mix(in srgb,var(--accent) 14%,var(--surface));border:1px solid color-mix(in srgb,var(--accent) 34%,transparent);color:var(--accent);font-size:44px;box-shadow:var(--shadow)}.scene-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:13px;margin-top:36px}.summary-chip{padding:16px 18px;border:1px solid var(--line);border-radius:17px;background:var(--surface);display:flex;align-items:center;gap:12px;font-weight:850}.summary-chip b{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:color-mix(in srgb,var(--accent) 15%,transparent);color:var(--accent)}.scene-content{padding:36px 0 110px}.scene-module{scroll-margin-top:105px;padding:60px 0;border-bottom:1px solid var(--line)}.scene-module:last-child{border-bottom:0}.module-heading{display:flex;align-items:center;gap:18px;margin-bottom:28px}.module-heading>div:last-child span{display:block;color:var(--accent);font-size:12px;font-weight:900;letter-spacing:.1em}.module-heading h2{margin:4px 0 0;font-size:clamp(30px,4vw,46px);line-height:1.15}.module-heading p{margin:6px 0 0;color:var(--muted)}.detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,330px),1fr));gap:16px;align-items:start}.detail-card,.upgrade-card{min-width:0;padding:24px;border:1px solid var(--line);border-radius:24px;background:var(--surface);overflow:hidden;overflow-wrap:anywhere;word-break:break-word}.detail-card{border-top:3px solid var(--accent)}.detail-label{display:inline-flex;padding:5px 9px;border-radius:999px;background:color-mix(in srgb,var(--accent) 13%,transparent);color:var(--accent);font-size:11px;font-weight:900}.detail-card h4,.upgrade-card h4{margin:15px 0 0;font-size:19px;line-height:1.35}.plain-list{margin:16px 0 0;padding:0;list-style:none}.plain-list li{position:relative;padding-left:17px;margin:9px 0;color:var(--text2);font-size:14px;line-height:1.75}.plain-list li:before{content:"";position:absolute;left:0;top:.74em;width:6px;height:6px;border-radius:50%;background:var(--accent)}.upgrade-card{background:linear-gradient(145deg,color-mix(in srgb,var(--accent) 9%,var(--surface)),var(--surface));border-color:color-mix(in srgb,var(--accent) 30%,var(--line))}.card-kicker{display:flex;align-items:center;justify-content:space-between;gap:12px}.card-kicker span{color:var(--accent);font-size:11px;font-weight:950;letter-spacing:.08em}.card-kicker b{padding:5px 9px;border-radius:999px;background:var(--surface-solid);font-size:10px;color:var(--muted)}.upgrade-card>p{margin:10px 0 0;color:var(--muted);font-size:14px}.path-box{margin-top:17px;padding:14px;border-radius:15px;background:rgba(0,0,0,.08)}html:not(.dark) .path-box{background:rgba(59,107,255,.06)}.path-box strong{font-size:12px;color:var(--accent)}.path-box ul{margin:7px 0 0;padding-left:18px;color:var(--muted);font-size:12px}
.arch-overview{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:15px;margin-top:38px}.arch-card{padding:22px;border:1px solid var(--line);border-radius:23px;background:var(--surface);transition:.22s ease}.arch-card:hover{transform:translateY(-5px);border-color:color-mix(in srgb,var(--accent) 40%,transparent)}.arch-card-top{display:flex;align-items:center;justify-content:space-between}.arch-no{font-size:12px;font-weight:950;color:var(--accent)}.arch-card h3{margin:18px 0 0;font-size:20px}.arch-card p{margin:6px 0 0;color:var(--muted);font-size:13px}.feature-section{scroll-margin-top:105px;padding:86px 0;border-top:1px solid var(--line)}.feature-title-row{display:flex;align-items:center;gap:18px}.feature-title-row h2{margin:0;font-size:clamp(34px,4vw,52px)}.poster-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:11px;margin-top:27px}.poster-item{padding:14px 16px;border:1px solid var(--line);border-radius:15px;background:var(--surface);display:flex;align-items:center;gap:10px;font-size:14px;font-weight:800}.poster-item i{color:var(--accent)}.category-block{margin-top:38px}.category-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.category-head h3{margin:0;font-size:26px}.category-head p{margin:4px 0 0;color:var(--muted);font-size:13px}.category-count{padding:7px 11px;border-radius:999px;background:color-mix(in srgb,var(--accent) 12%,transparent);color:var(--accent);font-size:11px;font-weight:900;white-space:nowrap}.upgrades-title{margin:42px 0 18px;font-size:25px}.all-detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:16px}.all-detail-grid .detail-card,.all-detail-grid .upgrade-card{height:100%}
.form-shell{max-width:900px;margin:40px auto 0;padding:30px;border:1px solid var(--line);border-radius:28px;background:var(--surface);box-shadow:var(--shadow)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.field{display:block}.field.full{grid-column:1/-1}.field span{display:block;margin-bottom:8px;font-size:13px;font-weight:850}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:14px;background:var(--surface-solid);padding:13px 14px;outline:none}.field input:focus,.field select:focus,.field textarea:focus{border-color:#3B6BFF;box-shadow:0 0 0 4px rgba(59,107,255,.13)}.form-note{margin:14px 0 0;color:var(--muted);font-size:12px}.toast{position:fixed;left:50%;bottom:25px;z-index:200;transform:translate(-50%,30px);opacity:0;padding:14px 18px;border-radius:15px;background:#fff;color:#0c1831;box-shadow:var(--shadow);font-weight:800;transition:.25s ease}.toast.show{opacity:1;transform:translate(-50%,0)}
.site-footer{padding:64px 0 28px;border-top:1px solid var(--line);background:rgba(0,0,0,.08)}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:40px}.footer-brand{display:inline-flex}.footer-grid p{max-width:500px;color:var(--muted);font-size:14px}.footer-grid h3{margin:0 0 13px;font-size:14px}.footer-grid>div:not(:first-child){display:flex;flex-direction:column;gap:8px}.footer-grid a:not(.brand){color:var(--muted);font-size:13px}.footer-grid a:hover{color:#72a6ff}.footer-bottom{margin-top:38px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:12px}.back-top{position:fixed;right:22px;bottom:22px;z-index:90;width:46px;height:46px;border:0;border-radius:15px;background:linear-gradient(135deg,#3B6BFF,#7048FF);color:#fff;box-shadow:0 14px 35px rgba(59,107,255,.3);opacity:0;transform:translateY(18px);pointer-events:none;transition:.22s ease}.back-top.show{opacity:1;transform:none;pointer-events:auto}
@media(max-width:1350px){.brand-copy small{display:none}.desktop-nav{gap:10px}.nav-link{font-size:12px}.header-shell{gap:12px}.demo-btn{padding-inline:15px}}
@media(max-width:1120px){.desktop-nav{display:none}.menu-toggle{display:grid}.brand-copy small{display:block}.header-actions .demo-btn{display:none}.hero-grid{grid-template-columns:1fr}.dashboard{max-width:720px;width:100%;margin:auto}.scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.arch-overview{grid-template-columns:repeat(2,minmax(0,1fr))}.poster-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.value-grid,.tech-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){:root{--header-h:70px}.container{width:min(100% - 24px,1440px)}.section{padding:72px 0}.site-header{padding:8px}.header-shell{height:62px;border-radius:19px;padding:0 10px}.brand-mark{width:40px;height:40px;border-radius:13px}.brand-copy strong{font-size:14px}.brand-copy small{font-size:8px}.header-actions{gap:6px}.icon-btn{width:40px;height:40px}.mobile-menu{inset:78px 8px auto}.hero{min-height:auto;padding:122px 0 70px}.hero h1{font-size:clamp(42px,13vw,62px)}.hero-copy{font-size:15px}.hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.dashboard{min-height:400px}.dash-window{inset:25px 0 25px 0}.dash-body{grid-template-columns:58px 1fr}.dash-main{padding:12px}.dash-kpis{grid-template-columns:repeat(2,1fr)}.dash-chart{height:150px;padding:12px}.floating-card{display:none}.scene-grid,.value-grid,.tech-grid,.arch-overview,.poster-grid{grid-template-columns:1fr}.scene-card{min-height:0}.cta{padding:30px;display:block}.cta .btn{margin-top:24px}.page-hero{padding:118px 0 58px}.page-hero-grid{grid-template-columns:1fr}.page-icon{width:82px;height:82px;border-radius:24px;font-size:33px}.scene-summary{grid-template-columns:1fr 1fr}.scene-content{padding-top:10px}.scene-module{padding:48px 0}.module-heading{align-items:flex-start}.module-icon{width:46px;height:46px;border-radius:15px;flex:0 0 auto}.detail-grid,.all-detail-grid{grid-template-columns:1fr}.detail-card,.upgrade-card{padding:20px}.category-head{align-items:flex-start}.feature-title-row{align-items:flex-start}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.form-shell{padding:20px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}}
@media(max-width:420px){.brand-copy small{display:none}.mobile-menu-grid{grid-template-columns:1fr}.mobile-demo{grid-column:auto}.scene-summary{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.page-hero h1{font-size:42px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}.reveal{opacity:1;transform:none}}


/* ===== 导航与卡片统一优化 ===== */
.header-shell{width:min(calc(100% - 12px),1880px);padding-inline:13px;gap:14px}
.desktop-nav{gap:clamp(5px,.52vw,11px)}
.nav-link{font-size:clamp(10px,.68vw,12.5px);letter-spacing:-.01em}
@media(max-width:1490px){
  .desktop-nav{display:none}
  .menu-toggle{display:grid}
  .header-actions .demo-btn{display:none}
  .brand-copy small{display:block}
}
@media(min-width:1491px){
  .mobile-menu{display:none!important}
}

.detail-grid,.all-detail-grid{align-items:stretch;grid-auto-rows:1fr}
.detail-card,.upgrade-card{
  position:relative;
  display:flex;
  flex-direction:column;
  min-height:350px;
  height:100%;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.detail-card:hover,.upgrade-card:hover{
  transform:translateY(-4px);
  border-color:color-mix(in srgb,var(--accent) 38%,var(--line));
  box-shadow:0 20px 55px rgba(0,0,0,.12);
}
.card-content{
  position:relative;
  max-height:218px;
  overflow:hidden;
  margin-top:2px;
  transition:max-height .35s ease;
}
.card-content:after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:62px;
  pointer-events:none;
  background:linear-gradient(transparent,var(--surface-solid));
  opacity:.96;
}
.detail-card.is-expanded,.upgrade-card.is-expanded{height:auto;min-height:350px;grid-row:auto}
.is-expanded .card-content{max-height:5000px}
.is-expanded .card-content:after,.card-content.no-overflow:after{display:none}
.card-toggle{
  display:none;
  margin-top:auto;
  padding:10px 13px;
  border:1px solid color-mix(in srgb,var(--accent) 26%,var(--line));
  border-radius:12px;
  background:color-mix(in srgb,var(--accent) 9%,var(--surface-solid));
  color:var(--accent);
  font-size:12px;
  font-weight:900;
  transition:.2s ease;
}
.card-toggle.is-visible{display:inline-flex;align-items:center;justify-content:center}
.card-toggle:hover{transform:translateY(-1px);background:color-mix(in srgb,var(--accent) 15%,var(--surface-solid))}
.detail-card h4,.upgrade-card h4{min-height:52px;display:flex;align-items:flex-start}
.arch-card{min-height:190px;display:flex;flex-direction:column}
.arch-card p{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.scene-card p,.value-card p,.tech-card p{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.poster-item{min-height:58px}
.summary-chip{min-height:66px}
@media(max-width:760px){
  .detail-card,.upgrade-card{min-height:320px}
  .card-content{max-height:196px}
  .mobile-menu-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:420px){.mobile-menu-grid{grid-template-columns:1fr}}

.industry-hero{min-height:520px}
.solution-section{padding-top:78px}
.solution-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:17px;margin-top:42px}
.solution-card{
  min-width:0;min-height:390px;padding:25px;border:1px solid var(--line);border-radius:26px;
  background:linear-gradient(150deg,color-mix(in srgb,var(--accent) 9%,var(--surface)),var(--surface));
  display:flex;flex-direction:column;box-shadow:0 16px 48px rgba(0,0,0,.08);transition:.24s ease
}
.solution-card:hover{transform:translateY(-6px);border-color:color-mix(in srgb,var(--accent) 42%,transparent)}
.solution-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.solution-no{color:var(--accent);font-size:12px;font-weight:950;letter-spacing:.08em}
.solution-scene{padding:6px 10px;border-radius:999px;background:color-mix(in srgb,var(--accent) 12%,transparent);color:var(--accent);font-size:11px;font-weight:900}
.solution-card h2{margin:22px 0 0;font-size:23px;line-height:1.25}
.solution-card>p{margin:10px 0 0;min-height:72px;color:var(--muted);font-size:14px;line-height:1.75}
.solution-list{margin:18px 0 0;padding:0;list-style:none}
.solution-list li{position:relative;margin:9px 0;padding-left:17px;color:var(--text2);font-size:13px}
.solution-list li:before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.solution-link{margin-top:auto;padding-top:20px;color:var(--accent);font-size:13px;font-weight:900}
.solution-link span{display:inline-block;margin-left:5px;transition:.2s}
.solution-link:hover span{transform:translateX(4px)}
.delivery-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:42px}
.delivery-card{min-height:210px;padding:24px;border:1px solid var(--line);border-radius:24px;background:var(--surface)}
.delivery-card b{color:#6ea2ff;font-size:12px}
.delivery-card h3{margin:20px 0 0;font-size:21px}
.delivery-card p{margin:8px 0 0;color:var(--muted);font-size:14px;line-height:1.8}
@media(max-width:1120px){.solution-grid,.delivery-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.solution-grid,.delivery-grid{grid-template-columns:1fr}.industry-hero{min-height:auto}.solution-card{min-height:0}}


/* ===== 常见问题模块 ===== */
.faq-section{
  position:relative;
  overflow:hidden;
}
.faq-section:before{
  content:"";
  position:absolute;
  width:420px;
  height:420px;
  right:-140px;
  top:40px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(59,107,255,.16),transparent 68%);
  pointer-events:none;
}
.faq-layout{
  display:grid;
  grid-template-columns:minmax(280px,.78fr) minmax(0,1.22fr);
  gap:40px;
  align-items:start;
}
.faq-intro{
  position:sticky;
  top:128px;
  padding:30px;
  border:1px solid var(--line);
  border-radius:28px;
  background:
    linear-gradient(145deg,rgba(59,107,255,.1),transparent 42%),
    var(--surface);
  box-shadow:0 18px 56px rgba(0,0,0,.08);
}
.faq-intro .section-title{
  margin-top:14px;
  font-size:clamp(30px,3vw,48px);
}
.faq-contact-btn{
  margin-top:26px;
}
.faq-list{
  display:grid;
  gap:14px;
}
.faq-item{
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:22px;
  background:var(--surface);
  box-shadow:0 12px 36px rgba(0,0,0,.06);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.faq-item:hover,
.faq-item.is-open{
  border-color:rgba(59,107,255,.42);
  box-shadow:0 18px 48px rgba(19,57,150,.12);
}
.faq-item:hover{
  transform:translateY(-2px);
}
.faq-question{
  width:100%;
  min-height:82px;
  display:grid;
  grid-template-columns:42px minmax(0,1fr) 36px;
  align-items:center;
  gap:14px;
  padding:18px 20px;
  border:0;
  background:transparent;
  color:var(--text);
  text-align:left;
  cursor:pointer;
}
.faq-index{
  display:grid;
  place-items:center;
  width:38px;
  height:38px;
  border-radius:12px;
  background:rgba(59,107,255,.12);
  color:#6ea2ff;
  font-size:12px;
  font-weight:950;
}
.faq-question-text{
  font-size:16px;
  line-height:1.55;
  font-weight:900;
}
.faq-toggle{
  position:relative;
  width:32px;
  height:32px;
  border:1px solid var(--line);
  border-radius:10px;
  background:rgba(255,255,255,.03);
}
.faq-toggle:before,
.faq-toggle:after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  width:12px;
  height:2px;
  border-radius:10px;
  background:#6ea2ff;
  transform:translate(-50%,-50%);
  transition:transform .22s ease;
}
.faq-toggle:after{
  transform:translate(-50%,-50%) rotate(90deg);
}
.faq-item.is-open .faq-toggle:after{
  transform:translate(-50%,-50%) rotate(0deg);
}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s ease;
}
.faq-answer p{
  margin:0;
  padding:0 20px 22px 76px;
  color:var(--muted);
  font-size:14px;
  line-height:1.9;
}
@media(max-width:920px){
  .faq-layout{
    grid-template-columns:1fr;
  }
  .faq-intro{
    position:relative;
    top:auto;
  }
}
@media(max-width:560px){
  .faq-intro{
    padding:24px;
    border-radius:22px;
  }
  .faq-question{
    grid-template-columns:36px minmax(0,1fr) 32px;
    gap:10px;
    min-height:76px;
    padding:16px;
  }
  .faq-index{
    width:34px;
    height:34px;
  }
  .faq-question-text{
    font-size:15px;
  }
  .faq-answer p{
    padding:0 16px 20px 62px;
    font-size:13px;
  }
}


/* ===== API 动态官网联调样式 ===== */
.cms-loading,.cms-error{margin:32px auto;padding:24px;border:1px solid var(--line);border-radius:22px;background:var(--surface);color:var(--text2);text-align:center}
.cms-error{border-color:rgba(244,63,94,.35)}
.cms-error strong{display:block;color:#fb7185;margin-bottom:8px}
.dynamic-rich{color:var(--text2);line-height:1.9}.dynamic-rich h2,.dynamic-rich h3{color:var(--text);margin:20px 0 8px}.dynamic-rich ul{padding-left:20px}
.hero-visual-image{position:absolute;inset:35px 5px 40px 25px;width:calc(100% - 30px);height:calc(100% - 75px);object-fit:cover;border:1px solid var(--line);border-radius:30px;box-shadow:var(--shadow)}
.metric-desc{display:block!important;margin-top:5px!important;line-height:1.4}
.tech-items{margin:14px 0 0;padding:0;list-style:none}.tech-items li{position:relative;padding-left:16px;margin:8px 0;color:var(--text2);font-size:13px}.tech-items li:before{content:"";position:absolute;left:0;top:.65em;width:6px;height:6px;border-radius:50%;background:#72a6ff}
.api-status{position:fixed;left:16px;bottom:16px;z-index:120;padding:8px 11px;border:1px solid var(--line);border-radius:12px;background:var(--surface);backdrop-filter:blur(14px);font-size:11px;color:var(--muted);opacity:.78}.api-status.live{color:#34d399}.api-status.fallback{color:#fbbf24}
.site-setting-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px;color:var(--muted);font-size:12px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.form-field{display:flex;flex-direction:column;gap:8px}.form-field.full{grid-column:1/-1}.form-field label{font-size:13px;font-weight:850}.form-field input,.form-field select,.form-field textarea{width:100%;border:1px solid var(--line);border-radius:14px;background:var(--surface-solid);color:var(--text);padding:13px 14px;outline:none}.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:#3B6BFF;box-shadow:0 0 0 4px rgba(59,107,255,.12)}.form-card{padding:28px;border:1px solid var(--line);border-radius:28px;background:var(--surface)}.form-message{margin-top:14px;font-size:13px}.form-message.ok{color:#34d399}.form-message.error{color:#fb7185}
.feature-group-block{padding:60px 0;border-bottom:1px solid var(--line)}.feature-group-block:last-child{border-bottom:0}.feature-group-head{display:flex;align-items:flex-start;gap:18px;margin-bottom:28px}.feature-number{width:52px;height:52px;border-radius:17px;display:grid;place-items:center;background:color-mix(in srgb,var(--accent) 15%,transparent);color:var(--accent);font-weight:950}.feature-group-head h2{margin:0;font-size:clamp(30px,4vw,46px)}.feature-group-head p{margin:7px 0 0;color:var(--muted)}
.solution-card .dynamic-rich{max-height:140px;overflow:hidden}.solution-card.is-expanded .dynamic-rich{max-height:none}.solution-toggle{margin-top:14px;border:0;background:transparent;color:var(--accent);font-weight:900;cursor:pointer}
.skeleton{position:relative;overflow:hidden;background:var(--surface);border-radius:14px}.skeleton:after{content:"";position:absolute;inset:0;transform:translateX(-100%);background:linear-gradient(90deg,transparent,rgba(255,255,255,.08),transparent);animation:shimmer 1.4s infinite}@keyframes shimmer{to{transform:translateX(100%)}}
@media(max-width:760px){.form-grid{grid-template-columns:1fr}.form-field.full{grid-column:auto}.api-status{display:none}}
.api-status{display:none!important}

/* CMS 动态 LOGO */
.brand-mark.has-cms-logo{
    overflow:hidden;
    background:transparent;
    box-shadow:none;
}
.brand-mark.has-cms-logo img{
    display:block;
    width:100%;
    height:100%;
    object-fit:contain;
}