:root{--ink:#183b3a;--forest:#123c3a;--paper:#f7f6f2;--muted:#63746e;--line:#cdd5cf;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:72px}body{margin:0;padding-bottom:76px}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid #64a58d;outline-offset:5px}button{border:0}h1,h2,h3,p{margin:0}h2{font-size:clamp(26px,3vw,40px);letter-spacing:-1px;line-height:1.5;font-weight:600}h3{font-size:17px;font-weight:600}p{line-height:1.9}.skip{position:fixed;top:-80px;left:12px;background:white;padding:10px;z-index:50}.skip:focus{top:6px}.site-header{height:68px;display:flex;align-items:center;justify-content:space-between;padding:0 4.8%;background:#fdfcf9;position:relative;z-index:10}.brand{display:block;line-height:0}.brand img{width:76px;height:auto}.site-header nav{display:flex;align-items:center;gap:34px}.site-header nav a,.staff-link{font-size:14px;font-weight:600;padding:12px 3px;transition:opacity .2s}.site-header a:hover{opacity:.65}.menu-toggle{display:none}.hero{background:radial-gradient(ellipse at 50% 35%,#f7f6f2 15%,#e8ede5 65%,#ccd9cf 100%);overflow:hidden;min-height:760px;padding:45px 24px 48px;text-align:center}.hero-copy{animation:enter .7s ease both}.hero h1{font-size:clamp(40px,4.4vw,66px);font-weight:600;letter-spacing:-2.8px;line-height:1.4}.hero-copy p{font-size:19px;margin:10px 0 25px;letter-spacing:.8px}.actions{display:flex;justify-content:center;gap:20px}.button{min-height:46px;min-width:190px;border-radius:4px;padding:12px 26px;font-size:14px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;line-height:1.4;transition:background .2s,transform .2s}.button:hover{transform:translateY(-1px)}.primary{background:#1c6452;color:#fff}.primary:hover{background:#164e41}.secondary{border:1px solid #52756a;background:#f7f6f2d9;color:var(--ink)}.secondary:hover{background:white}.light{background:var(--paper);color:var(--forest)}.light:hover{background:white}.outline{border:1px solid #90b1a6;background:transparent;color:var(--paper)}.display{background:#092f2f;color:#edf1df;border:2px solid #7c9690;border-radius:9px;overflow:hidden;position:relative;text-align:left}.hero-display{width:min(100%,1030px);margin:42px auto 0;box-shadow:0 24px 28px -20px #123c3a70,0 5px 0 #203e3a;transform:perspective(2000px) rotateX(3deg);animation:screen-enter .9s ease both}.display-bar{height:43px;display:flex;align-items:center;gap:20px;border-bottom:1px solid #b5d3c520;padding:0 23px;font-size:11px;letter-spacing:.5px}.display-bar img{width:38px;height:auto}.display-bar>span:first-of-type{background:#214d46;padding:5px 11px;border-radius:4px}.display-note{margin-left:auto;color:#acc9bf}.chart{padding:0 14px 6px}.chart svg{width:100%;height:auto;display:block}.chart-caption{font-size:10px;position:absolute;right:20px;bottom:11px;color:#b6ccc2;letter-spacing:1px}.section-inner{max-width:1220px;margin:0 auto;padding-left:32px;padding-right:32px}.showcase{background:var(--forest);color:var(--paper);padding:58px 0 35px;text-align:center;scroll-margin-top:0}.showcase h2{font-size:40px}.product-tabs{display:flex;border:1px solid #a2b9ae;border-radius:5px;overflow:hidden;max-width:820px;margin:26px auto 0}.product-tabs button{flex:1;background:transparent;color:#e7ede4;font-size:14px;min-height:47px;white-space:nowrap;padding:12px 10px}.product-tabs button[aria-selected=true]{background:var(--paper);color:var(--forest);font-weight:600}.product-tabs button:hover{background:#ffffff18}.product-tabs button[aria-selected=true]:hover{background:white}.product-tabs button:focus-visible{outline-offset:-4px}.showcase #product-description{font-size:14px;min-height:54px;margin-top:16px;color:#c4d6cd}.product-display{max-width:1030px;margin:15px auto 0;border-color:#63847a;box-shadow:0 12px 25px #082a2a60}.product-foot{font-size:12px;color:#aac7ba;margin-top:23px}.product-foot a{margin-left:15px;text-decoration:underline;text-underline-offset:5px}.comparison{padding-top:66px;padding-bottom:38px;text-align:center}.section-description{font-size:14px;color:var(--muted);margin-top:7px}.table-scroll{overflow-x:auto;margin-top:30px}table{width:100%;border-collapse:collapse;min-width:650px;font-size:14px}th,td{padding:19px 15px;border-top:1px solid var(--line);text-align:center}thead th{font-weight:600;font-size:14px}th:first-child{text-align:left;width:25%}tbody th{font-weight:400}tbody td{color:#738179;font-size:13px}tbody tr:last-child>*{border-bottom:1px solid var(--line)}td.yes{color:#1c6452;font-weight:600}.guide{padding-top:38px;padding-bottom:44px;text-align:center}.guide h2,.faq h2{font-size:32px}.steps{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding:0;margin:32px 0 20px;gap:34px;text-align:left}.steps li{display:flex;gap:17px;align-items:flex-start}.step-number{display:grid;place-items:center;flex-shrink:0;width:35px;height:35px;border-radius:50%;background:var(--forest);color:var(--paper);font-size:16px}.steps h3{margin:5px 0 6px}.steps p{font-size:12px;color:var(--muted);max-width:250px}.text-button{font-size:13px;background:transparent;color:var(--ink);padding:9px;text-decoration:underline;text-underline-offset:6px}.text-button span{margin-left:10px}.faq{padding-top:15px;padding-bottom:72px}.faq h2{text-align:center;margin-bottom:25px}.faq details{border-bottom:1px solid var(--line)}.faq details:first-of-type{border-top:1px solid var(--line)}summary{position:relative;list-style:none;padding:21px 40px 21px 7px;cursor:pointer;font-size:15px;font-weight:500}summary::-webkit-details-marker{display:none}summary:after{content:"";position:absolute;right:14px;top:24px;border-right:1.5px solid var(--ink);border-bottom:1.5px solid var(--ink);height:8px;width:8px;transform:rotate(45deg);transition:transform .2s}details[open] summary:after{transform:rotate(225deg);top:28px}details p{font-size:14px;color:var(--muted);padding:0 40px 22px 7px;max-width:950px}.contact{background:var(--forest);color:var(--paper);text-align:center;padding:54px 0 43px}.contact h2{font-size:38px}.contact p{font-size:15px;color:#c3d6c9;margin:9px 0 21px}.contact .contact-note{font-size:11px;color:#a5bdb2;margin:15px 0 0}footer{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 4.8%;font-size:11px;color:var(--muted)}footer img{display:block;width:60px;height:auto}footer p{margin-left:auto}footer>a:last-child{margin-left:22px}.consult-bar{position:fixed;inset:auto 0 0;min-height:70px;z-index:15;background:#123c3af5;color:var(--paper);border-top:1px solid #8aa79850;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 4.8%;backdrop-filter:blur(12px)}.consult-bar>span{font-size:14px;font-weight:600;letter-spacing:1px}.consult-bar>div{display:flex;gap:12px}.consult-bar .button{min-width:155px;min-height:40px;padding:9px 20px;font-size:13px}dialog{width:min(500px,calc(100% - 32px));padding:27px;border:1px solid #c9d7cd;border-radius:10px;background:var(--paper);color:var(--ink);box-shadow:0 24px 80px #092c2b40}dialog::backdrop{background:#092c2b70;backdrop-filter:blur(3px)}.dialog-top{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px}.dialog-top h2{font-size:23px}.dialog-top button{font-size:27px;background:transparent;color:var(--muted);padding:0 5px}dialog p,dialog li{font-size:14px;line-height:1.9}dialog ul,dialog ol{padding-left:22px}.dialog-done{width:100%;margin-top:23px}.dialog-hint{font-size:12px;margin-top:16px;color:var(--muted)}[hidden]{display:none!important}@keyframes enter{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@keyframes screen-enter{from{opacity:0;translate:0 16px}to{opacity:1;translate:0 0}}@media(min-width:1600px){.hero{padding-top:65px;min-height:860px}.hero-display{margin-top:48px;width:1100px}.section-inner{max-width:1300px}}@media(max-width:760px){html{scroll-padding-top:20px}.site-header{height:64px;padding:0 22px}.brand img{width:62px}.menu-toggle{display:block;margin-left:auto;margin-right:20px;background:#e8ede7;padding:7px 12px;border-radius:4px;font-size:12px}.staff-link{font-size:12px}.site-header nav{display:none;position:absolute;top:64px;left:0;right:0;padding:20px 24px;background:var(--paper);border-top:1px solid var(--line);box-shadow:0 10px 20px #123c3a10}.site-header nav.open{display:grid;grid-template-columns:1fr 1fr;gap:10px}.hero{min-height:0;padding:44px 18px 50px;background:radial-gradient(ellipse at 50% 30%,#f7f6f2 10%,#d8e2d8 100%)}.hero h1{font-size:39px;line-height:1.45;letter-spacing:-1.5px}.hero h1 span{display:block}.hero-copy p{font-size:13px;letter-spacing:0;margin:15px 0 25px}.actions{gap:12px}.button{min-width:0;min-height:44px;padding:12px 24px;font-size:13px}.actions .button{flex:1;max-width:170px}.hero-display{width:100%;margin-top:38px;transform:none;border-radius:6px;border-width:1px}.display-bar{height:34px;padding:0 12px;gap:12px;font-size:9px}.display-bar img{width:28px}.display-note{display:none}.display-bar>span:first-of-type{padding:4px 8px}.chart{padding:4px 3px 17px}.chart-caption{font-size:8px;right:10px;bottom:5px}.section-inner{padding-left:22px;padding-right:22px}.showcase{padding:40px 0 26px}.showcase h2{font-size:29px;letter-spacing:-1px}.product-tabs{display:grid;grid-template-columns:1fr 1fr;margin-top:24px;gap:1px}.product-tabs button{font-size:12px;min-height:42px}.showcase #product-description{font-size:12px;line-height:1.9;min-height:65px;margin-top:17px;text-wrap:pretty}.product-display{margin-top:0;border-width:1px}.product-foot{font-size:10px;line-height:2;margin-top:17px}.product-foot a{display:block;margin-left:0}.comparison{padding-top:42px;padding-bottom:24px}.comparison h2{font-size:28px}.section-description{font-size:12px}.table-scroll{margin-top:22px}th,td{padding:15px 12px}table{font-size:12px;min-width:610px}thead th{font-size:12px}.guide{padding-top:25px;padding-bottom:26px}.guide h2,.faq h2{font-size:28px}.steps{grid-template-columns:1fr;max-width:350px;margin:25px auto 12px;gap:23px}.steps p{max-width:none}.step-number{width:32px;height:32px;font-size:14px}.steps h3{font-size:15px}.faq{padding-top:24px;padding-bottom:44px}.faq h2{margin-bottom:22px}summary{font-size:13px;padding:19px 32px 19px 2px}details p{font-size:12px;padding-right:22px;line-height:1.9}.contact{padding:38px 0 33px}.contact h2{font-size:29px}.contact h2 span{display:block}.contact p{font-size:12px}.contact .contact-note{font-size:10px}footer{padding:21px 22px;gap:10px;flex-wrap:wrap}footer img{width:49px}footer p{font-size:10px}footer>a:last-child{display:none}.consult-bar{min-height:65px;padding:10px 18px}.consult-bar>span{font-size:11px;letter-spacing:0}.consult-bar .button{min-width:0;min-height:38px;padding:10px 14px;font-size:11px}.consult-bar .outline{display:none}body{padding-bottom:65px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.button:hover{transform:none}}
/* 矮屏桌面让完整产品示意与主要按钮同时可见。 */
@media(min-width:761px) and (max-height:850px){.hero{min-height:0;padding:26px 24px 30px}.hero h1{font-size:48px;line-height:1.3}.hero-copy p{font-size:16px;margin:6px 0 18px}.hero-display{width:min(100%,760px);margin-top:24px}.hero-display .display-bar{height:34px}.hero .button{min-height:42px;padding:11px 26px}}