:root{--ink:#10233e;--muted:#62728a;--line:#e4eaf2;--blue:#356dff;--navy:#091a32;--paper:#f7f9fc;--white:#fff;--radius:22px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
    button,a{font:inherit}
    a{text-decoration:none;color:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid #78a8ff;outline-offset:4px}
    .container{width:min(1180px,calc(100% - 48px));margin:auto}
    .site-header{height:78px;position:absolute;z-index:20;inset:0 0 auto;color:#eaf2ff}
    .header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:26px}
    .brand{display:inline-flex;align-items:center;gap:8px;font-size:20px;font-weight:800;letter-spacing:-.035em;white-space:nowrap}
    .brand-mark{display:block;width:38px;height:38px;flex:none}
    .brand em{font-style:normal;color:#7fb3ff}
    .desktop-nav{display:flex;align-items:center;gap:32px;font-size:14px;color:#bdcce1}
    .desktop-nav a{position:relative;padding:9px 0}
    .desktop-nav a:after{content:"";position:absolute;left:0;right:0;bottom:3px;height:2px;background:#83b8ff;transform:scaleX(0);transform-origin:left;transition:transform .28s ease}
    .desktop-nav a:hover:after,.desktop-nav a:focus-visible:after{transform:scaleX(1)}
    .desktop-nav a:hover,.footer-links a:hover{color:#fff}
    .header-cta{border:1px solid rgba(170,201,245,.34);border-radius:10px;padding:10px 15px;font-size:13px;font-weight:700;color:#fff;transition:.2s}
    .header-cta:hover{background:#fff;color:var(--navy)}
    .menu-button{display:none;border:1px solid rgba(255,255,255,.3);background:transparent;color:#fff;border-radius:10px;width:42px;height:42px;font-size:22px}
    .mobile-nav{display:none}
    .hero{min-height:720px;position:relative;overflow:hidden;color:#fff;background:radial-gradient(circle at 82% 45%,#143b7b 0,#102c5a 21%,transparent 45%),linear-gradient(126deg,#08172c 3%,#10294d 73%,#102c56)}
    .hero:before{content:"";position:absolute;inset:0;opacity:.28;background-image:linear-gradient(rgba(167,200,255,.11) 1px,transparent 1px),linear-gradient(90deg,rgba(167,200,255,.11) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(90deg,transparent 6%,#000 60%)}
    .hero:after{content:"";position:absolute;width:700px;height:700px;right:-200px;top:65px;border-radius:50%;background:#2c73ff;filter:blur(150px);opacity:.14;pointer-events:none}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;align-items:center;min-height:720px;padding-top:92px;padding-bottom:115px;gap:22px}
    .eyebrow{display:inline-flex;align-items:center;gap:10px;color:#89bdff;font-size:12px;font-weight:800;letter-spacing:.19em;text-transform:uppercase}
    .eyebrow:before{content:"";height:1px;width:26px;background:currentColor}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(48px,5.7vw,80px);line-height:1.12;letter-spacing:-.07em;margin:24px 0 24px;font-weight:850}
    .hero h1 span{display:block;color:#80b8ff}
    .hero-copy{font-size:17px;line-height:1.95;color:#b8cbe4;max-width:535px;margin-bottom:32px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .button{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:48px;border-radius:11px;padding:0 20px;font-size:14px;font-weight:800;transition:transform .2s,background .2s,box-shadow .2s}
    .button:hover{transform:translateY(-2px)}
    .button-primary{background:#528bff;color:#fff;box-shadow:0 12px 28px rgba(39,103,248,.22)}
    .button-primary:hover{background:#3774f8}
    .button-primary{position:relative;overflow:hidden}
    .button-primary:after{content:"";position:absolute;inset:-50% auto -50% -35%;width:45%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.33),transparent);transform:translateX(-180%) skewX(-22deg);pointer-events:none}
    .button-primary:hover:after{transform:translateX(430%) skewX(-22deg);transition:transform .75s ease}
    .button-ghost{border:1px solid rgba(177,204,241,.34);color:#e9f2ff;background:rgba(255,255,255,.04)}
    .button-ghost:hover{background:rgba(255,255,255,.12)}
    .hero-note{display:flex;align-items:center;gap:9px;margin-top:34px;font-size:12px;color:#94aeca}
    .hero-note span{width:6px;height:6px;border-radius:50%;background:#59d7c2;box-shadow:0 0 0 5px rgba(89,215,194,.12)}
    .hero-art{position:relative;height:520px;display:grid;place-items:center}
    .hero-art{transform:perspective(1000px) rotateX(var(--art-rotate-x,0deg)) rotateY(var(--art-rotate-y,0deg));transition:transform .3s ease-out;will-change:transform}
    .globe{width:min(520px,100%);height:auto;filter:drop-shadow(0 0 50px rgba(74,134,247,.22))}
    .orbit-card{position:absolute;background:rgba(11,30,57,.86);border:1px solid rgba(154,194,253,.25);backdrop-filter:blur(15px);border-radius:15px;box-shadow:0 24px 45px rgba(0,0,0,.18);padding:14px 17px;min-width:150px}
    .orbit-card b{font-size:13px;display:block;margin-bottom:4px}
    .orbit-card small{font-size:11px;color:#92aed1}
    .orbit-card i{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:7px;background:#62e1cf;box-shadow:0 0 14px #62e1cf}
    .orbit-card.one{left:0;top:81px}.orbit-card.two{right:-6px;top:138px}.orbit-card.three{left:31px;bottom:70px}
    .hero-bottom{position:absolute;z-index:2;bottom:0;left:0;right:0;border-top:1px solid rgba(163,196,244,.16);background:rgba(4,16,35,.26)}
    .hero-bottom-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .hero-bottom .tiny-title{font-size:11px;letter-spacing:.2em;font-weight:800;color:#7fa8d9;white-space:nowrap}
    .mini-logos{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));align-items:center;gap:28px;width:560px;max-width:100%;min-width:0}
    .mini-logos img{display:block;width:100%;height:32px;object-fit:contain;filter:brightness(0) invert(1);opacity:.85}
    section{scroll-margin-top:36px}
    .section{padding:104px 0}
    .section-heading{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:34px}
    .section-kicker{display:block;color:#3979ed;font-size:12px;letter-spacing:.2em;font-weight:850;margin-bottom:16px}
    .section-heading h2,.standalone-heading h2{font-size:clamp(32px,3.5vw,48px);line-height:1.23;letter-spacing:-.05em;margin:0}
    .section-heading p{max-width:400px;color:var(--muted);font-size:15px;line-height:1.8;margin:0}
    .intro-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:50px}
    .intro-item{display:flex;align-items:center;gap:15px;padding:18px 20px;border:1px solid var(--line);border-radius:15px;background:#fff}
    .intro-icon{flex:none;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:#edf3ff;color:#3d77ed;font-size:19px;font-weight:700}
    .intro-item strong{display:block;font-size:14px;margin-bottom:3px}.intro-item small{color:var(--muted);font-size:12px;line-height:1.5}
    .provider-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .provider-alibaba{--accent:#ef6c2f}
    .provider-tencent{--accent:#2869e8}
    .provider-huawei{--accent:#d6323d}
    .provider-volcano{--accent:#236dff}
    .provider-card{position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:31px;min-height:330px;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s,border-color .25s}
    .provider-card{transform:perspective(1000px) rotateX(var(--card-rx,0deg)) rotateY(var(--card-ry,0deg)) translateY(var(--card-lift,0px));transform-style:preserve-3d}
    .provider-card:hover{--card-lift:-5px;box-shadow:0 20px 55px rgba(22,50,91,.13);border-color:#d4e1f7}
    .provider-card:before{content:"";position:absolute;left:0;top:0;right:0;height:4px;background:var(--accent);z-index:2}
    .provider-card:after{content:"";position:absolute;inset:0;background:radial-gradient(250px circle at var(--pointer-x,50%) var(--pointer-y,50%),rgba(73,129,255,.13),transparent 72%);opacity:0;pointer-events:none;transition:opacity .25s ease}
    .provider-card:hover:after{opacity:1}
    .provider-card>*{position:relative;z-index:1}
    .card-top{display:flex;align-items:start;justify-content:space-between;gap:12px;margin-bottom:27px}
    .logo-box{height:47px;display:flex;align-items:center}
    .logo-box img{display:block;max-width:176px;max-height:32px;width:auto;height:auto;object-fit:contain}
    .logo-box .logo-huawei{max-width:180px;max-height:43px}
    .logo-box .logo-volcano{max-height:35px;max-width:165px}
    .card-index{font-size:12px;color:#abb8ca;font-weight:800;letter-spacing:.1em}
    .provider-card h3{font-size:25px;letter-spacing:-.04em;margin-bottom:10px}
    .provider-card p{font-size:14px;line-height:1.85;color:#61718a;margin-bottom:22px;max-width:470px}
    .tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto}
    .tags span{background:#f3f6fa;border:1px solid #e9edf3;color:#5b6b83;border-radius:6px;padding:6px 9px;font-size:11px;font-weight:700}
    .card-footer{display:flex;justify-content:space-between;align-items:center;gap:10px;border-top:1px solid #edf0f5;margin-top:25px;padding-top:19px}
    .card-footer small{color:#8999af;font-size:11px}
    .card-footer a{font-size:13px;font-weight:800;color:var(--accent);white-space:nowrap}
    .card-footer a:hover{text-decoration:underline;text-underline-offset:4px}
    .how-section{background:#fff;border-top:1px solid #edf0f5;border-bottom:1px solid #edf0f5}
    .how-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:80px;align-items:center}
    .how-copy>p{color:var(--muted);line-height:1.9;font-size:15px;margin:22px 0 28px}
    .flow-list{display:grid;gap:13px}
    .flow-item{display:flex;align-items:flex-start;gap:17px;padding:21px;background:#f8faff;border:1px solid #e6edf9;border-radius:15px}
    .flow-num{color:#4383fa;background:#e8f0ff;border-radius:9px;display:grid;place-items:center;width:33px;height:33px;flex:none;font-size:12px;font-weight:850}
    .flow-item h3{font-size:16px;margin:0 0 5px}.flow-item p{color:var(--muted);font-size:13px;line-height:1.7;margin:0}
    .flow-visual{position:relative;min-height:465px;background:radial-gradient(circle at 55% 40%,#e6efff,#f5f9ff 55%,#eaf2ff);border:1px solid #e0eafb;border-radius:25px;display:grid;place-items:center;overflow:hidden}
    .flow-visual:before{content:"";position:absolute;width:330px;height:330px;border:1px dashed #b7cef5;border-radius:50%}
    .flow-visual:after{content:"";position:absolute;width:230px;height:230px;border:1px dashed #bfd3f4;border-radius:50%}
    .node{z-index:1;position:absolute;background:#fff;border:1px solid #dbe7fa;border-radius:14px;box-shadow:0 14px 35px rgba(54,103,171,.13);padding:13px 16px;text-align:center;font-size:12px;font-weight:750;color:#46617f}
    .node{transition:transform .25s ease,box-shadow .25s ease}
    .node:hover{transform:translateY(-6px);box-shadow:0 20px 38px rgba(54,103,171,.22)}
    .node:before{content:"";display:block;width:13px;height:13px;border-radius:50%;background:#6da4ff;margin:0 auto 8px;box-shadow:0 0 0 5px #ebf2ff}
    .node.origin{left:9%;top:44%}.node.edge1{left:40%;top:12%}.node.edge2{right:7%;top:36%}.node.user{right:26%;bottom:10%}
    .center-symbol{position:relative;z-index:2;width:110px;height:110px;display:grid;place-items:center;background:#2469e9;color:#fff;border:8px solid #e1edff;border-radius:50%;box-shadow:0 20px 38px rgba(38,105,233,.3);font-size:21px;font-weight:900;letter-spacing:-.05em}
    .flow-line{position:absolute;z-index:0;border-top:2px dashed #82aaf0;transform-origin:left center}
    .flow-line.a{width:160px;left:23%;top:49%;transform:rotate(-17deg)}.flow-line.b{width:160px;left:59%;top:45%;transform:rotate(-13deg)}.flow-line.c{width:140px;left:55%;top:62%;transform:rotate(52deg)}
    .scenarios{background:#f7f9fc}
    .scenario-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:30px 0 18px}
    .scenario-tabs button{border:1px solid #dfe6ef;background:#fff;color:#5c6e86;padding:11px 17px;border-radius:9px;font-size:13px;font-weight:750;transition:.2s}
    .scenario-tabs button:hover{border-color:#9dbaf1;color:#285fd5}
    .scenario-tabs button[aria-selected="true"]{border-color:#2e6ce8;color:#fff;background:#2e6ce8;box-shadow:0 8px 20px rgba(46,108,232,.18)}
    .scenario-panel{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;padding:39px 43px;min-height:240px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 10px 35px rgba(31,61,106,.045)}
    .scenario-panel .panel-label{font-size:11px;font-weight:850;letter-spacing:.18em;color:#3e78ef}
    .scenario-panel h3{font-size:28px;letter-spacing:-.045em;margin:12px 0 10px}
    .scenario-panel p{font-size:14px;color:var(--muted);line-height:1.85;margin:0}
    .scenario-points{display:grid;gap:12px}
    .scenario-points div{display:flex;align-items:center;gap:13px;padding:12px 15px;background:#f5f8fd;border-radius:10px;font-size:13px;font-weight:700;color:#455d7a}
    .scenario-points b{color:#2f73ed;font-size:16px}
    .checklist-section{background:#0c1f3c;color:#fff;position:relative;overflow:hidden}
    .checklist-section:after{content:"";position:absolute;width:550px;height:550px;right:-160px;top:-210px;background:#2569e7;filter:blur(150px);opacity:.15}
    .checklist-section .container{position:relative;z-index:1}
    .checklist-section .section-kicker{color:#82b3ff}
    .checklist-section .section-heading p{color:#aabedb}
    .check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-top:37px}
    .check-card{min-height:190px;padding:24px;background:rgba(255,255,255,.055);border:1px solid rgba(176,207,255,.14);border-radius:16px}
    .check-card .check-icon{color:#81b5ff;font-size:24px;margin-bottom:28px}
    .check-card h3{font-size:16px;margin-bottom:10px}.check-card p{font-size:12px;color:#9fb3d0;line-height:1.8;margin:0}
    .site-footer{background:#07162c;color:#9db1ce;padding:42px 0 28px}
    .footer-main{display:flex;justify-content:space-between;gap:35px;align-items:start;padding-bottom:28px;border-bottom:1px solid rgba(164,195,238,.14)}
    .footer-main .brand{color:#fff}.footer-main p{font-size:12px;line-height:1.8;max-width:460px;margin:14px 0 0}
    .footer-links{display:flex;flex-wrap:wrap;gap:16px 24px;font-size:12px}
    .footer-bottom{display:flex;justify-content:space-between;gap:15px;padding-top:23px;font-size:11px;color:#7289a9}
    .back-top{display:inline-flex;align-items:center;gap:6px;color:#a9c9ff}.back-top:hover{color:#fff}

    /* 自动播放的环境动画；仅使用 transform、opacity 和描边偏移以保持流畅。 */
    .hero:after{animation:glowBreath 9s ease-in-out infinite alternate}
    .hero-content .eyebrow,.hero-content h1,.hero-content .hero-copy,.hero-content .hero-actions,.hero-content .hero-note{animation:riseIn .85s cubic-bezier(.2,.7,.2,1) both}
    .hero-content h1{animation-delay:.12s}
    .hero-content .hero-copy{animation-delay:.24s}
    .hero-content .hero-actions{animation-delay:.36s}
    .hero-content .hero-note{animation-delay:.48s}
    .globe{animation:globeFloat 8s ease-in-out infinite}
    .globe-orbit{animation:orbitDash 30s linear infinite}
    .network-path{stroke-dasharray:12 14;animation:networkFlow 8s linear infinite}
    .signal-dot{animation:signalPulse 3.2s ease-in-out infinite}
    .signal-dot:nth-of-type(3n){animation-delay:-1.1s}
    .signal-dot:nth-of-type(3n + 1){animation-delay:-2.2s}
    .orbit-card{animation:cardFloat 6s ease-in-out infinite}
    .orbit-card.two{animation-delay:-2s}
    .orbit-card.three{animation-delay:-4s}
    .orbit-card i,.hero-note span{animation:indicatorPulse 2.8s ease-in-out infinite}
    .flow-visual:before{animation:ringSpin 34s linear infinite}
    .flow-visual:after{animation:ringSpin 42s linear infinite reverse}
    .center-symbol{animation:centerPulse 5s ease-in-out infinite}
    .flow-line{border:0;height:2px;background:repeating-linear-gradient(90deg,#82aaf0 0 9px,transparent 9px 16px);background-size:16px 2px;animation:lineTravel 1.1s linear infinite}
    .motion-ready .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
    .motion-ready .reveal.is-visible{opacity:1;transform:translateY(0)}
    .motion-ready .provider-card.reveal.is-visible{transform:perspective(1000px) rotateX(var(--card-rx,0deg)) rotateY(var(--card-ry,0deg)) translateY(var(--card-lift,0px));transition:opacity .7s ease,transform .2s ease-out,box-shadow .25s ease,border-color .25s ease}
    .motion-ready .provider-card.reveal.is-visible:hover{--card-lift:-5px}
    .motion-ready .provider-card:nth-child(2),.motion-ready .check-card:nth-child(2){transition-delay:.08s}
    .motion-ready .provider-card:nth-child(3),.motion-ready .check-card:nth-child(3){transition-delay:.16s}
    .motion-ready .provider-card:nth-child(4),.motion-ready .check-card:nth-child(4){transition-delay:.24s}
    @keyframes riseIn{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}
    @keyframes glowBreath{from{opacity:.11;transform:scale(.88)}to{opacity:.22;transform:scale(1.12)}}
    @keyframes globeFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
    @keyframes orbitDash{to{stroke-dashoffset:-130}}
    @keyframes networkFlow{to{stroke-dashoffset:-104}}
    @keyframes signalPulse{0%,100%{opacity:.62}50%{opacity:1}}
    @keyframes cardFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
    @keyframes indicatorPulse{0%,100%{opacity:.75;box-shadow:0 0 0 0 rgba(98,225,207,.35)}50%{opacity:1;box-shadow:0 0 0 7px rgba(98,225,207,0)}}
    @keyframes ringSpin{to{transform:rotate(360deg)}}
    @keyframes centerPulse{0%,100%{box-shadow:0 20px 38px rgba(38,105,233,.3)}50%{box-shadow:0 20px 50px rgba(38,105,233,.46)}}
    @keyframes lineTravel{to{background-position:16px 0}}
    @media(max-width:900px){.hero-inner{grid-template-columns:1fr;min-height:0;padding-top:150px;padding-bottom:145px}.hero-art{height:370px;max-width:520px;margin:auto;width:100%}.globe{width:385px}.hero{min-height:0}.how-layout{gap:35px}.check-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:680px){.container{width:min(100% - 34px,1180px)}.site-header{height:68px}.desktop-nav,.header-cta{display:none}.menu-button{display:block}.mobile-nav{position:absolute;top:67px;left:17px;right:17px;display:none;background:#132d51;border:1px solid rgba(180,211,255,.2);border-radius:14px;padding:10px;box-shadow:0 20px 35px rgba(0,0,0,.25)}.mobile-nav.open{display:grid}.mobile-nav a{padding:13px;border-radius:8px;font-size:14px}.mobile-nav a:hover{background:rgba(255,255,255,.08)}.hero-inner{padding-top:128px;padding-bottom:140px}.hero h1{font-size:clamp(47px,12vw,65px)}.hero-copy{font-size:15px}.hero-art{height:290px}.globe{width:310px}.orbit-card{padding:9px 10px;min-width:108px}.orbit-card b{font-size:10px}.orbit-card small{font-size:9px}.orbit-card.one{top:28px}.orbit-card.two{top:85px}.orbit-card.three{bottom:28px}.hero-bottom-inner{min-height:88px;align-items:start;justify-content:center;flex-direction:column;gap:10px;padding:15px 0}.mini-logos{width:100%;gap:16px}.mini-logos img{height:26px}.section{padding:74px 0}.section-heading{display:block}.section-heading p{margin-top:15px}.intro-strip{grid-template-columns:1fr;margin-bottom:25px;gap:9px}.provider-grid{grid-template-columns:1fr}.provider-card{min-height:0;padding:26px}.how-layout,.scenario-panel{grid-template-columns:1fr}.flow-visual{min-height:350px}.node.origin{left:3%}.node.edge2{right:3%}.flow-line.a{left:18%;width:105px}.flow-line.b{width:105px}.flow-line.c{width:95px}.scenario-panel{padding:26px;gap:25px}.check-grid{grid-template-columns:1fr 1fr}.check-card{padding:19px;min-height:180px}.footer-main,.footer-bottom{flex-direction:column}.footer-links{margin-top:8px}}
    @media(max-width:390px){.check-grid{grid-template-columns:1fr}.hero-art{height:250px}.globe{width:270px}.orbit-card.three{left:0}.mini-logos{gap:12px}.mini-logos img{height:22px}}
    @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}.motion-ready .reveal{opacity:1;transform:none}}

/* 八项导航在中等屏宽切换为菜单。 */
@media(max-width:1120px){.desktop-nav,.header-cta{display:none}.menu-button{display:block}.mobile-nav{position:absolute;top:77px;left:24px;right:24px;display:none;grid-template-columns:repeat(4,1fr);gap:3px;background:#132d51;border:1px solid rgba(180,211,255,.2);border-radius:14px;padding:10px;box-shadow:0 20px 35px rgba(0,0,0,.25)}.mobile-nav.open{display:grid}.mobile-nav a{padding:13px;border-radius:8px;font-size:14px}.mobile-nav a:hover{background:rgba(255,255,255,.08)}}
@media(max-width:680px){.mobile-nav{top:67px;left:17px;right:17px;grid-template-columns:repeat(2,1fr)}}

/* 窄屏仍显示全部导航，横向滚动即可访问四个产品页。 */
@media(max-width:1120px){.site-header{position:relative;height:auto;background:#0a1b33}.site-header .header-inner{min-height:73px;height:auto;flex-wrap:wrap;column-gap:16px;row-gap:0;padding-top:10px;padding-bottom:6px}.site-header .desktop-nav{display:flex;order:3;width:100%;min-width:0;overflow-x:auto;white-space:nowrap;gap:22px;padding:3px 0 8px;scrollbar-width:thin}.site-header .desktop-nav a{flex:none}.site-header .menu-button,.site-header .mobile-nav{display:none}.site-header .header-cta{display:inline-flex;margin-left:auto}}
@media(max-width:680px){.site-header .header-cta{display:none}.hero-inner{padding-top:65px}}

/* 所有页面共用的五项导航外观。 */
.site-header{position:relative;height:74px;background:#0a1b33}
.site-header .header-inner{height:74px}
.desktop-nav a[aria-current="page"]{color:#fff}
.desktop-nav a[aria-current="page"]:after{transform:scaleX(1)}
@media(max-width:1120px){.site-header{height:auto}.site-header .header-inner{height:auto}}

.contact-section{padding:78px 0;background:linear-gradient(120deg,#0c2342,#133869);color:#fff;scroll-margin-top:24px}
.contact-inner{display:flex;align-items:center;justify-content:space-between;gap:36px}
.contact-inner>div{max-width:720px}
.contact-inner .section-kicker{color:#98c7ff}
.contact-inner h2{margin:12px 0 15px;font-size:clamp(32px,4vw,48px);letter-spacing:-.04em}
.contact-inner p{margin:0;color:#c5d8f0;font-size:15px;line-height:1.8}
.contact-status{flex:none;padding:12px 18px;border:1px solid rgba(162,204,255,.36);border-radius:10px;color:#d6e8ff;font-size:13px;font-weight:700;text-decoration:none}
@media(max-width:680px){.contact-section{padding:62px 0}.contact-inner{display:block}.contact-status{display:inline-block;margin-top:24px}}

/* All scenario copy is present in HTML; JS progressively enables the tabs. */
.scenario-panel[hidden]{display:none}
.scenario-panel+.scenario-panel{margin-top:20px}