/* 开云官方网站全站样式 */
:root{--bg:#F4FBFF;--white:#fff;--soft:#E8F7FF;--primary:#10AEEA;--blue:#1688D8;--deep:#155A9D;--text:#24384A;--muted:#60758A;--border:rgba(16,174,234,.18);--shadow:0 18px 46px rgba(17,110,167,.12);--shadow2:0 10px 28px rgba(17,110,167,.08);--radius:22px;--gradient:linear-gradient(135deg,#35D7FF 0%,#1688D8 100%);--header:78px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:0;overflow-x:hidden;color:var(--text);background:var(--bg);font-family:"Microsoft YaHei","PingFang SC",system-ui,-apple-system,sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}body.drawer-open{overflow:hidden}a{text-decoration:none;color:inherit}img{display:block;max-width:100%}button,input,textarea,select{font:inherit}button{cursor:pointer}.container,.header-inner{width:min(100% - 32px,1360px);margin-inline:auto}.skip{position:fixed;left:16px;top:-60px;z-index:9999;padding:10px 14px;border-radius:10px;color:#fff;background:var(--blue)}.skip:focus{top:12px}
.site-header{position:sticky;top:0;z-index:1000;height:var(--header);background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);box-shadow:0 8px 26px rgba(17,110,167,.06);backdrop-filter:blur(14px)}.header-inner{height:100%;display:flex;align-items:center;gap:clamp(10px,1.1vw,20px)}.logo{flex:0 0 auto;display:flex}.logo img{width:clamp(126px,11vw,174px);height:auto;object-fit:contain}.desktop-nav{flex:1;min-width:0;display:flex;align-items:center;justify-content:center;gap:clamp(4px,.58vw,10px);overflow:hidden}.desktop-nav a{white-space:nowrap;padding:8px clamp(2px,.22vw,5px);border-radius:9px;color:#365970;font-size:clamp(12px,.75vw,14px);font-weight:650}.desktop-nav a:hover,.desktop-nav a.active{color:var(--blue);background:var(--soft)}.header-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto}.main-btn,.ghost-btn,.text-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 22px;border-radius:999px;font-weight:800;line-height:1;transition:.2s ease}.main-btn{color:#fff;background:var(--gradient);box-shadow:0 10px 24px rgba(22,136,216,.25)}.main-btn:hover,.ghost-btn:hover{transform:translateY(-2px)}.ghost-btn{color:var(--blue);background:#fff;border:1px solid var(--border)}.text-btn{color:var(--blue);background:transparent}.text-btn:hover{background:var(--soft)}.header-btn{min-width:82px}.menu-btn{display:none;width:44px;height:44px;padding:10px;border:0;border-radius:12px;background:var(--soft)}.menu-btn span{display:block;height:2px;margin:5px 0;border-radius:3px;background:var(--blue)}.drawer,.overlay{display:none}
.section{padding:clamp(54px,7vw,96px) 0}.soft{background:linear-gradient(180deg,rgba(232,247,255,.72),rgba(244,251,255,.28))}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:850;letter-spacing:.12em}.eyebrow:before{content:"";width:20px;height:3px;border-radius:3px;background:var(--gradient)}.eyebrow.light{color:#8beaff}.section-title{max-width:780px;margin-bottom:32px}.section-title h2,.page-hero h1,.split h2,.cta h2,.compliance h2{margin:10px 0 14px;color:var(--deep);line-height:1.22;letter-spacing:-.02em}.section-title h2,.split h2{font-size:clamp(28px,3vw,44px)}.page-hero h1{font-size:clamp(36px,5vw,64px)}.section-title p,.lead{margin:0;color:var(--muted);font-size:clamp(16px,1.25vw,19px)}.breadcrumb{display:flex;gap:8px;align-items:center;padding-top:24px;color:var(--muted);font-size:14px}.breadcrumb a{color:var(--blue)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(340px,.94fr);gap:clamp(30px,6vw,86px);align-items:center}.actions{display:flex;flex-wrap:wrap;gap:11px;margin-top:26px}.hero-media,.hero-art{margin:0;min-height:360px;display:grid;place-items:center;overflow:hidden;border-radius:var(--radius);background:#fff;border:1px solid var(--border);box-shadow:var(--shadow)}.hero-media{padding:12px}.hero-media img{width:100%;height:100%;max-height:480px;object-fit:contain}.hero-art{position:relative;background:radial-gradient(circle at 20% 20%,#53ddff,transparent 34%),linear-gradient(145deg,#e9faff,#9bdfff 48%,#198bd6)}.hero-art strong{z-index:2;color:#fff;font-size:clamp(62px,8vw,110px);letter-spacing:.06em;text-shadow:0 10px 34px rgba(4,80,135,.28)}.hero-art i{position:absolute;border:1px solid rgba(255,255,255,.45);border-radius:50%}.hero-art i:nth-child(1){width:240px;height:240px}.hero-art i:nth-child(2){width:350px;height:350px}.hero-art i:nth-child(3){width:460px;height:460px}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.card,.review,.product,.feature-grid article,.steps article,.faq-item{min-width:0;border:1px solid var(--border);border-radius:16px;background:#fff;box-shadow:var(--shadow2)}.card{padding:26px}.card h3,.product h3,.feature-grid h3,.steps h3{margin:0 0 9px;color:var(--deep);font-size:20px;line-height:1.35}.card p,.product p,.feature-grid p,.steps p{margin:0;color:var(--muted)}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.9fr);gap:clamp(28px,5vw,70px);align-items:center}.split>div>p{color:var(--muted)}.split ul{list-style:none;padding:0;margin:22px 0 0}.split li{position:relative;padding-left:26px;margin:12px 0;color:#395a70}.split li:before{content:"";position:absolute;left:0;top:.72em;width:10px;height:10px;border-radius:50%;background:var(--gradient);box-shadow:0 0 0 5px rgba(16,174,234,.11)}.side-media{margin:0;min-height:330px;display:grid;place-items:center;padding:14px;border-radius:var(--radius);background:#fff;border:1px solid var(--border);box-shadow:var(--shadow)}.side-media img{width:100%;height:100%;max-height:470px;object-fit:contain}.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.feature-grid article{padding:22px;background:linear-gradient(145deg,#fff,#eaf9ff)}.feature-grid article>span{display:grid;place-items:center;width:42px;height:42px;margin-bottom:15px;border-radius:12px;color:#fff;background:var(--gradient);font-weight:850}
.products{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.product{overflow:hidden}.product-image{height:220px;display:grid;place-items:center;padding:10px;background:linear-gradient(180deg,#effaff,#fff);border-bottom:1px solid var(--border)}.product-image img{width:100%;height:100%;object-fit:contain}.product>div:last-child{padding:22px}.steps{display:grid;gap:15px}.steps article{display:grid;grid-template-columns:48px minmax(0,1fr);gap:16px;align-items:start;padding:20px 22px}.steps article>span{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;color:#fff;background:var(--gradient);font-weight:850}
.reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.review{padding:24px}.review-name{display:flex;align-items:center;gap:11px;margin-bottom:15px}.review-name span{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;color:#fff;background:var(--gradient);font-weight:850}.review-name strong{color:var(--deep)}.review p{margin:0;color:#49677b}.compliance{display:grid;grid-template-columns:.8fr 1.2fr;gap:34px;padding:clamp(28px,4vw,48px);border-radius:var(--radius);color:#fff;background:linear-gradient(145deg,#0d5f9d,#073A68);box-shadow:var(--shadow)}.compliance h2{color:#fff;font-size:clamp(27px,3vw,40px)}.compliance p{color:rgba(234,248,255,.85)}.compliance-items{display:grid;gap:11px}.compliance-items p{margin:0;padding:14px 16px;border-radius:14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12)}.compliance-items strong{color:#fff}.cta{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:clamp(28px,4vw,46px);border-radius:var(--radius);background:linear-gradient(135deg,#dff7ff,#fff);border:1px solid var(--border);box-shadow:var(--shadow2)}.cta h2{font-size:clamp(25px,3vw,38px)}.cta p{margin:0;color:var(--muted)}
.carousel-wrap{padding:clamp(20px,3vw,36px) 0 0}.carousel{position:relative;overflow:hidden;aspect-ratio:3.1/1;min-height:260px;border-radius:clamp(18px,2vw,28px);background:#dff5ff;border:1px solid var(--border);box-shadow:var(--shadow)}.slide{position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .55s}.slide.active{opacity:1;pointer-events:auto}.slide img{width:100%;height:100%;object-fit:contain}.arrow{position:absolute;top:50%;z-index:4;width:46px;height:46px;display:grid;place-items:center;transform:translateY(-50%);border:1px solid rgba(255,255,255,.55);border-radius:50%;color:#fff;background:rgba(8,75,120,.42);font-size:28px}.arrow.prev{left:16px}.arrow.next{right:16px}.dots{position:absolute;z-index:5;left:50%;bottom:15px;display:flex;gap:8px;transform:translateX(-50%)}.dot{width:9px;height:9px;padding:0;border:0;border-radius:50%;background:rgba(255,255,255,.68)}.dot.active{width:26px;border-radius:999px;background:#fff}.home-intro{display:grid;grid-template-columns:1.25fr .75fr;gap:24px}.home-intro>div{padding:clamp(26px,4vw,44px);border-radius:var(--radius);background:#fff;border:1px solid var(--border);box-shadow:var(--shadow2)}.home-intro h1{margin:10px 0 14px;color:var(--deep);font-size:clamp(36px,5vw,60px);line-height:1.2}.home-intro p{color:var(--muted)}.stats{display:grid;grid-template-columns:1fr 1fr;gap:13px!important;background:linear-gradient(145deg,#e8f8ff,#fff)!important}.stats article{padding:17px;border-radius:14px;background:rgba(255,255,255,.84);border:1px solid var(--border)}.stats strong{display:block;color:var(--blue);font-size:21px}.stats span{color:var(--muted);font-size:14px}.link-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:19px}.link-card{display:flex;flex-direction:column;min-height:215px;padding:23px;border-radius:16px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow2)}.link-card h3{margin:0 0 8px;color:var(--deep)}.link-card p{margin:0;color:var(--muted)}.link-card a{margin-top:auto;padding-top:16px;color:var(--blue);font-weight:800}.link-card a:after{content:" →"}.faq-list{display:grid;gap:14px}.faq-item{padding:21px 23px}.faq-item summary{list-style:none;cursor:pointer;color:var(--deep);font-weight:850}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";float:right;color:var(--blue);font-size:22px}.faq-item[open] summary:after{content:"−"}.faq-item p{margin:13px 0 0;color:var(--muted)}
.footer{padding:58px 0 22px;color:#EAF8FF;background:#073A68}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:34px}.footer-brand img{width:170px;height:auto;object-fit:contain;filter:brightness(0) invert(1)}.footer-brand p{max-width:460px;color:rgba(234,248,255,.72)}.footer h2{margin:4px 0 15px;color:#fff;font-size:17px}.footer a{display:block;width:max-content;max-width:100%;margin:8px 0;color:rgba(234,248,255,.78)}.footer-bottom{display:flex;justify-content:space-between;gap:18px;margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);color:rgba(234,248,255,.6);font-size:13px}.footer-bottom p{margin:0}
@media(max-width:1179px){.desktop-nav{display:none}.header-actions{margin-left:auto}.menu-btn{display:block}.drawer,.overlay{display:block}.overlay{position:fixed;inset:0;z-index:1090;opacity:0;visibility:hidden;background:rgba(4,42,72,.46);transition:.25s}.drawer{position:fixed;top:0;right:0;z-index:1100;width:min(86vw,390px);height:100dvh;padding:20px;overflow-y:auto;transform:translateX(105%);background:#fff;box-shadow:-20px 0 50px rgba(3,63,105,.2);transition:transform .3s}.drawer-open .overlay{opacity:1;visibility:visible}.drawer-open .drawer{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:17px;border-bottom:1px solid var(--border)}.drawer-head img{width:154px;height:auto}.drawer-head button{width:42px;height:42px;border:0;border-radius:12px;color:var(--blue);background:var(--soft);font-size:28px}.drawer nav{display:grid;margin:15px 0}.drawer nav a{display:flex;justify-content:space-between;padding:12px;border-bottom:1px solid rgba(16,174,234,.1);color:#345a72;font-weight:700}.drawer nav a.active{color:var(--blue);background:var(--soft);border-radius:10px}.drawer-register{width:100%}}
@media(max-width:980px){.hero-grid,.split,.compliance,.home-intro{grid-template-columns:1fr}.cards,.products,.reviews{grid-template-columns:repeat(2,minmax(0,1fr))}.link-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-media,.hero-art{min-height:310px}.carousel{aspect-ratio:2.2/1}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}}
@media(max-width:680px){:root{--header:68px}.container,.header-inner{width:min(100% - 24px,1360px)}.logo img{width:120px}.header-btn{min-width:72px;padding-inline:17px}.section{padding:52px 0}.page-hero{padding-top:40px}.hero-media,.hero-art{min-height:245px}.carousel{min-height:220px;aspect-ratio:1.65/1}.arrow{width:40px;height:40px}.arrow.prev{left:10px}.arrow.next{right:10px}.dots{bottom:10px}.cards,.products,.reviews,.link-cards,.feature-grid,.footer-grid,.stats{grid-template-columns:1fr!important}.footer-grid>div:last-child{grid-column:auto}.cta,.footer-bottom{flex-direction:column;align-items:flex-start}.cta .actions{width:100%}.cta .actions a{flex:1}.steps article{grid-template-columns:42px minmax(0,1fr)}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}