/* ZCDH-START */
:root{--zc-blue:#1688ec;--zc-deep:#061b37;--zc-text:#161b22;--zc-muted:#667586;--zc-line:#dfe8f1}
.zcdh-site,.zcdh-site *{box-sizing:border-box}.zcdh-site{overflow:clip;background:#fff;color:var(--zc-text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif}.zcdh-wrap{width:min(1180px,calc(100% - 48px));margin:0 auto}.zcdh-section{padding:120px 0}.zcdh-screen{min-height:72vh;display:flex;align-items:center}.zcdh-narrow{max-width:960px;text-align:center}.zcdh-kicker{margin:0 0 16px;color:var(--zc-blue);font-size:15px;font-weight:800;letter-spacing:.1em}.zcdh-site h2{margin:0;font-size:clamp(34px,4.1vw,58px);line-height:1.16;letter-spacing:-.035em}.zcdh-sub{max-width:940px;margin:24px auto 0;color:var(--zc-muted);font-size:18px;line-height:1.9}.zcdh-center{text-align:center;margin-bottom:62px}
.zcdh-hero{position:relative;min-height:calc(100vh - 72px);display:flex;align-items:center;background:#061b37 var(--zcdh-hero) center/cover no-repeat;color:#fff}.zcdh-hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,18,40,.95),rgba(2,22,48,.72) 42%,rgba(3,22,45,.08) 78%)}.zcdh-hero-content{position:relative;z-index:2;padding:90px 0 76px}.zcdh-eyebrow{margin:0 0 22px;color:#8dccff;font-size:16px;font-weight:800;letter-spacing:.08em}.zcdh-hero h1{display:grid;gap:2px;max-width:650px;margin:0;color:#fff;font-size:clamp(48px,5.15vw,74px);line-height:1.04;letter-spacing:-.045em;text-align:left}.zcdh-hero h1 span{display:block;white-space:nowrap}.zcdh-hero h1 em{color:#7fc6ff;font-style:normal}.zcdh-lead{max-width:650px;margin:26px 0 0;color:rgba(255,255,255,.82);font-size:18px;line-height:1.75}.zcdh-actions{display:flex;gap:14px;margin-top:30px}.zcdh-btn{display:inline-flex;min-height:50px;padding:0 27px;align-items:center;justify-content:center;border-radius:999px;font-weight:700;text-decoration:none;transition:transform .25s ease,box-shadow .25s ease}.zcdh-btn:hover{transform:translateY(-3px)}.zcdh-btn-primary{background:#1688ec;color:#fff;box-shadow:0 12px 32px rgba(0,114,220,.32)}.zcdh-btn-glass{border:1px solid rgba(255,255,255,.52);background:rgba(255,255,255,.08);color:#fff;backdrop-filter:blur(10px)}.zcdh-proof{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));max-width:700px;margin-top:42px;padding-top:24px;border-top:1px solid rgba(255,255,255,.18)}.zcdh-proof div{display:flex;flex-direction:column;gap:6px}.zcdh-proof strong{color:#fff;font-size:21px}.zcdh-proof span{color:rgba(255,255,255,.62);font-size:13px}.zcdh-scroll{position:absolute;left:50%;bottom:20px;z-index:2;display:flex;align-items:center;gap:10px;transform:translateX(-50%);color:rgba(255,255,255,.65);font-size:12px}.zcdh-scroll i{width:1px;height:24px;background:#fff;animation:zcdhScroll 1.8s ease-in-out infinite}.zcdh-orb{position:absolute;border-radius:50%;opacity:.18;pointer-events:none;animation:zcdhFloat 7s ease-in-out infinite}.zcdh-orb-a{width:180px;height:180px;right:18%;top:20%;background:#1688ec}.zcdh-orb-b{width:90px;height:90px;right:8%;bottom:20%;background:#65c6ff;animation-delay:-2s}
.zcdh-intro{position:relative;background:radial-gradient(circle at 50% 25%,#eef7ff 0,#fff 55%)}.zcdh-intro .zcdh-narrow{max-width:1080px}.zcdh-intro-title{font-size:clamp(34px,3.5vw,50px)!important}.zcdh-intro-points{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:38px}.zcdh-intro-points span{padding:10px 18px;border:1px solid #d6e6f3;border-radius:999px;background:rgba(255,255,255,.75);color:#315e83;font-size:14px}
.zcdh-scene{position:relative;min-height:92vh;display:flex;align-items:center;background:#061b37 var(--zcdh-scene) center/cover no-repeat;color:#fff;scroll-margin-top:72px}.zcdh-scene-shade{position:absolute;inset:0}.zcdh-scene-left .zcdh-scene-shade{background:linear-gradient(90deg,rgba(2,17,38,.96) 0%,rgba(3,24,52,.8) 38%,rgba(3,20,42,.18) 72%,rgba(3,20,42,.08))}.zcdh-scene-right .zcdh-scene-shade{background:linear-gradient(90deg,rgba(3,20,42,.08),rgba(3,20,42,.2) 32%,rgba(3,24,52,.82) 67%,rgba(2,17,38,.97))}.zcdh-scene-inner{position:relative;z-index:2;display:flex}.zcdh-scene-right .zcdh-scene-inner{justify-content:flex-end}.zcdh-scene-copy{width:min(570px,100%);padding:56px 0}.zcdh-scene-no{display:block;margin-bottom:20px;color:#8dccff;font-size:14px;font-weight:800;letter-spacing:.12em}.zcdh-scene h2{color:#fff;font-size:clamp(36px,4.6vw,62px)}.zcdh-scene p{margin:26px 0 0;color:rgba(255,255,255,.78);font-size:18px;line-height:1.9}.zcdh-scene ul{display:grid;gap:12px;margin:26px 0 32px;padding:0;list-style:none}.zcdh-scene li{position:relative;padding-left:22px;color:rgba(255,255,255,.84);line-height:1.6}.zcdh-scene li:before{content:"";position:absolute;left:0;top:.65em;width:7px;height:7px;border-radius:50%;background:#46b8ff;box-shadow:0 0 16px #46b8ff}.zcdh-scene a{display:inline-flex;padding-bottom:7px;border-bottom:1px solid rgba(141,204,255,.55);color:#8dccff;font-weight:700;text-decoration:none}
.zcdh-strength{min-height:82vh;display:flex;align-items:center;background:linear-gradient(180deg,#fff,#f4f8fc)}.zcdh-strength-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.zcdh-strength-grid article{min-height:300px;padding:34px 28px;border:1px solid var(--zc-line);border-radius:20px;background:rgba(255,255,255,.86);box-shadow:0 18px 55px rgba(15,52,87,.06);transition:transform .35s ease,border-color .35s ease}.zcdh-strength-grid article:hover{transform:translateY(-8px);border-color:#8fc9f3}.zcdh-strength-grid i{color:#79a7ca;font-size:13px;font-style:normal;font-weight:800}.zcdh-strength-grid h3{margin:52px 0 15px;font-size:22px}.zcdh-strength-grid p{margin:0;color:var(--zc-muted);line-height:1.85}
.zcdh-process{min-height:75vh;display:flex;align-items:center;background:radial-gradient(circle at 50% 10%,#0c3763,#061b37 62%);color:#fff}.zcdh-process .zcdh-kicker{color:#7fc6ff}.zcdh-process h2{color:#fff}.zcdh-process-line{position:relative;display:grid;grid-template-columns:repeat(7,minmax(0,1fr))}.zcdh-process-line:before{content:"";position:absolute;left:6%;right:6%;top:23px;height:1px;background:linear-gradient(90deg,#158ae8,#68c9ff)}.zcdh-process-line div{position:relative;text-align:center}.zcdh-process-line b{position:relative;z-index:1;display:inline-flex;width:46px;height:46px;align-items:center;justify-content:center;border:1px solid #3d81b9;border-radius:50%;background:#0a2748;color:#8ed1ff;font-size:12px}.zcdh-process-line h3{margin:18px 4px 0;color:#fff;font-size:15px}
.zcdh-resources{min-height:70vh;display:flex;align-items:center;background:#fff}.zcdh-resource-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.zcdh-resource-actions{display:grid;gap:14px}.zcdh-resource-actions a{display:flex;align-items:center;justify-content:space-between;padding:30px;border:1px solid var(--zc-line);border-radius:18px;color:var(--zc-text);text-decoration:none;box-shadow:0 14px 40px rgba(17,53,88,.045);transition:transform .3s ease,border-color .3s ease}.zcdh-resource-actions a:hover{transform:translateX(7px);border-color:#80bcea}.zcdh-resource-actions span{font-size:22px;font-weight:700}.zcdh-resource-actions b{color:var(--zc-blue);font-size:13px}.zcdh-cta{padding:120px 0;text-align:center;background:linear-gradient(120deg,#075eae,#0c88df);color:#fff}.zcdh-cta p{margin:0 0 12px;color:#cce9ff;font-weight:700}.zcdh-cta h2{margin-bottom:30px;color:#fff}.zcdh-btn-white{background:#fff;color:#0566b8}
.zcdh-hero-in{opacity:0;transform:translateY(24px);animation:zcdhHeroIn .8s ease forwards}.zcdh-delay-1{animation-delay:.12s}.zcdh-delay-2{animation-delay:.24s}.zcdh-delay-3{animation-delay:.36s}.zcdh-delay-4{animation-delay:.5s}.zcdh-js .zcdh-reveal{opacity:0;transform:translateY(46px) scale(.985);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}.zcdh-js .zcdh-reveal.is-visible{opacity:1;transform:none}
@keyframes zcdhHeroIn{to{opacity:1;transform:none}}@keyframes zcdhFloat{50%{transform:translateY(-18px) scale(1.04)}}@keyframes zcdhScroll{50%{transform:translateY(8px);opacity:.35}}
@media(min-width:901px){.zcdh-intro-title{white-space:nowrap}}@media(min-width:1100px){.zcdh-scene{background-attachment:fixed}}
@media(max-width:900px){.zcdh-hero{min-height:720px;background-position:62% center}.zcdh-hero-shade{background:rgba(3,20,43,.76)}.zcdh-scene{min-height:760px;background-attachment:scroll}.zcdh-scene-left .zcdh-scene-shade,.zcdh-scene-right .zcdh-scene-shade{background:rgba(2,17,38,.76)}.zcdh-scene-inner,.zcdh-scene-right .zcdh-scene-inner{justify-content:flex-start}.zcdh-strength-grid{grid-template-columns:repeat(2,1fr)}.zcdh-process-line{grid-template-columns:repeat(4,1fr);gap:30px 0}.zcdh-process-line:before{display:none}.zcdh-resource-grid{grid-template-columns:1fr;gap:45px}}
@media(max-width:600px){.zcdh-wrap{width:min(100% - 32px,1180px)}.zcdh-section{padding:82px 0}.zcdh-screen,.zcdh-strength,.zcdh-process,.zcdh-resources{min-height:auto}.zcdh-hero{min-height:760px;background-position:68% center}.zcdh-hero-content{padding-top:90px}.zcdh-hero h1{font-size:clamp(37px,10.5vw,45px)}.zcdh-hero h1 span{white-space:normal}.zcdh-lead,.zcdh-scene p,.zcdh-sub{font-size:16px}.zcdh-actions{flex-direction:column;align-items:flex-start}.zcdh-proof{grid-template-columns:repeat(2,1fr);gap:22px}.zcdh-scene{min-height:720px;background-position:62% center}.zcdh-scene-copy{padding:70px 0}.zcdh-strength-grid{grid-template-columns:1fr}.zcdh-strength-grid article{min-height:250px}.zcdh-process-line{grid-template-columns:repeat(2,1fr)}.zcdh-resource-actions a{display:block}.zcdh-resource-actions b{display:block;margin-top:8px}}
@media(prefers-reduced-motion:reduce){.zcdh-site *{animation:none!important;transition:none!important}.zcdh-hero-in,.zcdh-js .zcdh-reveal{opacity:1!important;transform:none!important}.zcdh-scene{background-attachment:scroll}}
/* ZCDH-END */