:root{--brand:#4356c5;--brand-dark:#3548b3;--brand-deep:#2f3f9e;--bg:#f4f5f7;--surface:#fff;--text:#263238;--muted:#66717a;--line:#e2e5e9;--green:#7dbd36;--purple:#7452c7;--orange:#f4a11a;--red:#ef5350;--shadow:0 2px 7px rgba(30,43,74,.11)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:76px}body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei UI","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;font-size:15px;line-height:1.8;-webkit-font-smoothing:antialiased}body.drawer-open{overflow:hidden}a{color:inherit;text-decoration:none}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit}.page-top{position:absolute;inset:0 auto auto 0}.skip-link{position:fixed;left:12px;top:-60px;z-index:100;padding:8px 14px;background:#fff;color:var(--brand);box-shadow:var(--shadow)}.skip-link:focus{top:10px}.content-width{width:min(960px,calc(100% - 40px));margin-inline:auto}
.toolbar{position:fixed;z-index:50;inset:0 0 auto;height:58px;background:var(--brand);color:#fff;transition:box-shadow .2s}.toolbar.scrolled{box-shadow:0 3px 9px rgba(20,28,75,.3)}.toolbar-inner{width:min(1100px,100%);height:100%;margin:auto;padding:0 20px;display:flex;align-items:center}.icon-button{width:40px;height:40px;padding:8px;display:grid;place-items:center;border:0;border-radius:50%;background:transparent;color:currentColor;cursor:pointer}.icon-button:hover{background:rgba(255,255,255,.12)}.icon-button svg,.back-to-top svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}.menu-toggle{margin-right:17px}.toolbar-title{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:700;letter-spacing:.04em}.toolbar-mark{width:28px;height:28px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.7);font-size:9px}.toolbar-nav{margin-left:auto;display:flex;align-items:center;gap:25px;font-size:13px}.toolbar-nav>a:not(.toolbar-action){opacity:.88}.toolbar-action{padding:7px 15px;border:1px solid rgba(255,255,255,.72);border-radius:3px}
.brand-hero{margin-top:58px;min-height:275px;display:flex;align-items:center;background:var(--brand);color:#fff}.hero-inner{padding:43px 0 49px}.hero-label{margin:0 0 8px;color:rgba(255,255,255,.68);font-size:10px;letter-spacing:.17em}.brand-hero h1{margin:0;font-size:clamp(39px,5vw,58px);line-height:1.25;letter-spacing:-.04em}.hero-subtitle{margin:7px 0 22px;color:rgba(255,255,255,.82);font-size:16px}.hero-links{display:flex;gap:10px}.button{min-height:39px;padding:8px 17px;display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:3px;font-size:13px;font-weight:600;line-height:1.4;transition:transform .18s,box-shadow .18s}.button:hover{transform:translateY(-1px);box-shadow:0 3px 8px rgba(24,35,80,.2)}.button-light{background:#fff;color:var(--brand-dark)}.button-ghost{border:1px solid rgba(255,255,255,.65);color:#fff}.button-primary{background:var(--brand);color:#fff}.button-disabled{background:#d8dce8;color:#697080;cursor:not-allowed}
.page-content{padding:30px 0 80px}.paper-card{position:relative;overflow:hidden;background:var(--surface);border:1px solid #e4e6ea;border-radius:4px;box-shadow:var(--shadow)}.about-card{min-height:0}.about-copy{padding:29px 32px 27px}.about-copy h2,.feature-card h2,.process-card h2,.contact-card h2{margin:8px 0 14px;color:#33489f;font-size:26px;line-height:1.5;font-weight:500}.about-copy>p:not(.card-meta),.contact-card>div>p:not(.card-meta){max-width:790px;margin:0 0 21px;color:var(--muted)}.card-meta{margin:0;color:#929aa1;font-size:11px;line-height:1.5}.card-meta span{margin-right:8px;color:var(--red)}.tag-row{display:flex;flex-wrap:wrap;gap:6px}.tag{padding:3px 10px;border-radius:1px;color:#fff;font-size:11px;line-height:1.5}.tag-green{background:var(--green)}.tag-purple{background:var(--purple)}.tag-orange{background:var(--orange)}.tag-red{background:var(--red)}
.section-title{padding:54px 2px 20px}.section-title p{margin:0 0 3px;color:var(--brand);font-size:10px;letter-spacing:.15em}.section-title h2{margin:0;font-size:25px;line-height:1.45;font-weight:500}.section-title>span{color:var(--muted);font-size:13px}.card-list{display:grid;gap:18px}.service-card{padding:23px 27px 0}.service-card h3{margin:6px 0 8px;color:#4054a8;font-size:21px;line-height:1.5;font-weight:500}.service-card>p:not(.card-meta){margin:0 0 16px;color:#515c65;font-size:14px}.card-footer{min-height:48px;margin:0 -27px;padding:10px 17px 10px 27px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line)}.card-footer>a{flex:none;color:var(--brand);font-size:12px;font-weight:600}
.feature-card,.process-card{margin-top:28px;padding:29px 32px 32px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:26px;border-top:1px solid var(--line)}.feature-grid>div{padding:21px 24px 0 0}.feature-grid>div+div{padding-left:24px;border-left:1px solid var(--line)}.feature-grid b{color:var(--brand);font-size:11px}.feature-grid h3{margin:5px 0 4px;font-size:16px}.feature-grid p{margin:0;color:var(--muted);font-size:13px}.process-card ol{margin:24px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);list-style:none;border-top:1px solid var(--line)}.process-card li{padding:21px 18px 0 0}.process-card li+li{padding-left:18px;border-left:1px solid var(--line)}.process-card li>span{color:var(--brand);font-size:11px}.process-card strong{display:block;margin:7px 0 2px;font-size:15px}.process-card p{margin:0;color:var(--muted);font-size:12px}.contact-card{margin-top:28px;padding:32px;display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:center}.contact-box{padding:25px;background:#f3f5fc;border-left:4px solid var(--brand)}.contact-box>span{color:var(--brand);font-size:11px}.contact-box strong{display:block;margin:2px 0 4px;font-size:20px}.contact-box p{margin:0 0 17px;color:var(--muted);font-size:12px}
.drawer-overlay{position:fixed;z-index:70;inset:0;background:rgba(16,22,39,.48);opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s}.drawer{position:fixed;z-index:80;inset:0 auto 0 0;width:min(290px,86vw);background:#fff;box-shadow:7px 0 25px rgba(20,28,60,.22);transform:translateX(-105%);transition:transform .3s}.drawer.open{transform:translateX(0)}.drawer-overlay.open{opacity:1;visibility:visible}.drawer-head{position:relative;min-height:175px;padding:32px 27px;display:flex;flex-direction:column;justify-content:flex-end;background:var(--brand);color:#fff}.drawer-logo{width:44px;height:44px;margin-bottom:14px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.75);font-size:12px}.drawer-head strong{font-size:16px;line-height:1.55}.drawer-close{position:absolute;top:10px;right:10px}.drawer-nav{padding:12px 0}.drawer-nav a{min-height:50px;padding:0 27px;display:flex;align-items:center;gap:17px;color:#3e4750;font-size:14px}.drawer-nav a:hover{background:#f1f3fa;color:var(--brand)}.drawer-nav span{color:#9aa1a8;font-size:10px}.drawer-note{margin:0 27px;padding-top:17px;border-top:1px solid var(--line);color:#969da4;font-size:11px}.site-footer{background:var(--brand-deep);color:#fff}.footer-main{min-height:112px;display:flex;align-items:center;justify-content:space-between;gap:30px}.footer-main>div{display:flex;align-items:center;gap:13px}.footer-mark{width:38px;height:38px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.68);font-size:10px}.footer-main strong{font-size:14px}.footer-main p{margin:0;color:rgba(255,255,255,.65);font-size:11px}.footer-bottom{padding:11px 0;background:rgba(20,30,100,.24);color:rgba(255,255,255,.54);font-size:10px}.back-to-top{position:fixed;z-index:45;right:max(22px,calc((100vw - 1050px)/2));bottom:24px;width:48px;height:48px;display:grid;place-items:center;border-radius:50%;background:var(--brand);color:#fff;box-shadow:0 5px 15px rgba(37,48,119,.3);opacity:0;visibility:hidden;transform:translateY(10px);transition:.2s}.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}.reveal{opacity:0;transform:translateY(20px);transition:opacity .5s,transform .5s}.reveal.visible{opacity:1;transform:none}
@media(max-width:720px){html{scroll-padding-top:66px}body{font-size:14px}.content-width{width:calc(100% - 24px)}.toolbar{height:56px}.toolbar-inner{padding:0 10px}.menu-toggle{margin-right:8px}.toolbar-title{font-size:15px}.toolbar-mark{display:none}.toolbar-nav>a:not(.toolbar-action){display:none}.toolbar-nav{gap:0}.toolbar-action{padding:6px 11px}.brand-hero{margin-top:56px;min-height:225px}.hero-inner{padding:33px 7px 38px}.hero-label{font-size:9px}.brand-hero h1{font-size:38px}.hero-subtitle{margin-bottom:18px;font-size:14px}.hero-links{flex-wrap:wrap}.button{min-height:37px;padding:8px 13px;font-size:12px}.page-content{width:100%;padding:14px 12px 55px}.paper-card{border-radius:2px}.about-copy{padding:23px 20px 22px}.about-copy h2,.feature-card h2,.process-card h2,.contact-card h2{font-size:22px}.section-title{padding:38px 8px 15px}.section-title h2{font-size:22px}.card-list{gap:14px}.service-card{padding:19px 19px 0}.service-card h3{font-size:18px}.service-card>p:not(.card-meta){font-size:13px}.card-footer{margin:0 -19px;padding:9px 13px 9px 19px}.card-footer .tag-row{gap:4px}.tag{padding:3px 7px;font-size:10px}.feature-card,.process-card,.contact-card{margin-top:16px;padding:23px 20px 25px}.feature-grid{grid-template-columns:1fr;margin-top:19px}.feature-grid>div,.feature-grid>div+div{padding:15px 0;border-left:0;border-bottom:1px solid var(--line)}.feature-grid>div:last-child{border-bottom:0}.process-card ol{grid-template-columns:1fr 1fr}.process-card li{padding:15px 12px 15px 0}.process-card li+li{padding-left:12px}.process-card li:nth-child(3){border-left:0;border-top:1px solid var(--line)}.process-card li:nth-child(4){border-top:1px solid var(--line)}.contact-card{grid-template-columns:1fr;gap:20px}.contact-box{padding:20px}.footer-main{min-height:130px;padding:25px 0;align-items:flex-start;flex-direction:column;justify-content:center;gap:9px}.back-to-top{width:42px;height:42px;right:15px;bottom:15px}}
@media(max-width:390px){.card-footer{align-items:flex-start;flex-direction:column;gap:8px}.card-footer>a{padding-bottom:2px}.process-card ol{grid-template-columns:1fr}.process-card li,.process-card li+li{padding:14px 0;border-left:0;border-top:1px solid var(--line)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:.01ms!important}.reveal{opacity:1;transform:none}}