:root{--blue:#2563eb;--blue-dark:#1749c6;--blue-soft:#eef5ff;--cyan:#0ea5e9;--ink:#0b1220;--text:#475569;--muted:#7c8aa2;--line:#dfe7f1;--surface:#f6f9fd;--white:#fff;--radius:18px;--shadow:0 18px 46px rgba(34,78,155,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);background:#fff;font:15px/1.75 "Microsoft YaHei","PingFang SC",system-ui,sans-serif;-webkit-font-smoothing:antialiased}body.modal-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}img,svg{display:block}.wrap{width:min(1180px,calc(100% - 48px));margin:auto}.skip-link{position:fixed;left:16px;top:-60px;z-index:1000;background:#fff;padding:10px 16px;border-radius:8px;box-shadow:var(--shadow)}.skip-link:focus{top:16px}.hd{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.hd-in{width:min(1400px,calc(100% - 48px));height:72px;margin:auto;display:flex;align-items:center;gap:22px}.logo{display:flex;align-items:center;gap:10px;flex:none}.logo-mark{width:39px;height:39px;border-radius:11px;display:grid;place-items:center;color:#fff;font-size:19px;font-weight:800;background:linear-gradient(135deg,#2563eb,#4f8cf7);box-shadow:0 7px 18px rgba(37,99,235,.28)}.logo-tx b,.logo-tx i{display:block}.logo-tx b{color:var(--ink);font-size:17px;line-height:1.25}.logo-tx i{color:var(--muted);font-size:10px;font-style:normal}.nav{display:flex;align-items:center;gap:2px;flex:1}.nav-item{position:relative}.nav-a{display:flex;align-items:center;padding:8px 10px;border-radius:9px;color:#1e293b;font-size:14px;white-space:nowrap}.nav-a:hover,.nav-item.active>.nav-a{color:var(--blue);background:var(--blue-soft)}.nav-sub{position:absolute;left:50%;top:calc(100% + 10px);transform:translate(-50%,8px);visibility:hidden;opacity:0;min-width:250px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);transition:.18s}.nav-item:hover .nav-sub,.nav-item:focus-within .nav-sub{visibility:visible;opacity:1;transform:translate(-50%,0)}.nav-sub a{display:block;padding:9px 11px;border-radius:9px}.nav-sub a:hover{background:var(--blue-soft)}.nav-sub b,.nav-sub span{display:block}.nav-sub b{color:var(--ink);font-size:13px}.nav-sub span{color:var(--muted);font-size:11px}.sub-mega{display:grid;grid-template-columns:1fr 1fr;min-width:570px}.sub-plain{min-width:170px}.hd-act{display:flex;gap:8px}.btn{border:1px solid transparent;border-radius:11px;padding:11px 18px;display:inline-flex;align-items:center;justify-content:center;gap:7px;font-weight:700;color:var(--ink);background:#fff;transition:.18s}.btn:hover{transform:translateY(-1px)}.btn-primary{color:#fff;background:linear-gradient(135deg,var(--blue),#3b82f6);box-shadow:0 9px 20px rgba(37,99,235,.22)}.btn-outline{color:var(--blue);border-color:#b9d2ff}.btn-lg{padding:14px 24px}.eyebrow{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-size:12px;font-weight:800;padding:5px 12px;border:1px solid #cfe0ff;border-radius:999px;background:var(--blue-soft)}.hero{padding:74px 0 82px;overflow:hidden;background:radial-gradient(circle at 85% 15%,rgba(37,99,235,.13),transparent 34%),linear-gradient(#fff,#f8fbff)}.hero-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:68px;align-items:center}.hero h1{margin:20px 0 18px;color:var(--ink);font-size:49px;line-height:1.18;letter-spacing:-2px}.hero h1 em{font-style:normal;color:var(--blue)}.hero-copy{font-size:17px;max-width:620px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.hero-notes{display:flex;gap:18px;flex-wrap:wrap;margin-top:27px;color:#52627a;font-size:13px}.hero-notes span:before{content:"✓";margin-right:7px;color:var(--blue);font-weight:800}.browser{position:relative;border:1px solid #d7e2f0;border-radius:20px;background:#fff;box-shadow:0 30px 70px rgba(37,99,235,.17);overflow:hidden}.browser-top{height:42px;display:flex;align-items:center;gap:7px;padding:0 15px;background:#eef3f9;border-bottom:1px solid #e0e7f1}.browser-top i{width:8px;height:8px;border-radius:50%;background:#cbd5e1}.browser-url{height:17px;width:42%;margin-left:8px;border-radius:999px;background:#fff;border:1px solid #dce5ef}.store{display:grid;grid-template-columns:150px 1fr;min-height:365px}.store-side{padding:24px 16px;background:#0f2c67;color:#fff}.store-side strong{font-size:15px}.store-side span{display:block;margin-top:19px;color:#c8d8f7;font-size:12px}.store-main{padding:22px}.store-banner{height:82px;border-radius:13px;padding:18px;color:#fff;background:linear-gradient(120deg,#2563eb,#0ea5e9)}.store-banner b,.store-banner small{display:block}.store-banner b{font-size:19px}.product-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:15px}.product-mini{padding:10px;border:1px solid #e1e8f2;border-radius:11px}.product-img{height:62px;border-radius:8px;background:linear-gradient(145deg,#e7effb,#f8fbff);position:relative;overflow:hidden}.product-img:before{content:"";position:absolute;left:22%;right:22%;top:18%;bottom:18%;border:3px solid #8eb5f6;border-radius:6px;transform:skew(-5deg)}.product-mini b,.product-mini small{display:block}.product-mini b{color:var(--ink);font-size:11px;margin-top:7px}.product-mini small{color:var(--muted);font-size:9px}.inquiry{margin-top:15px;padding:11px 13px;display:flex;justify-content:space-between;align-items:center;border-radius:11px;background:#f0f6ff;color:#1e4f9f;font-size:11px}.inquiry button{border:0;border-radius:7px;color:#fff;background:var(--blue);padding:6px 10px}.section{padding:86px 0}.section.alt{background:var(--surface)}.section-head{max-width:760px;margin:0 auto 40px;text-align:center}.section-head h2{margin:14px 0 10px;color:var(--ink);font-size:34px;line-height:1.3}.section-head p{margin:0}.service-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.service-card{position:relative;min-height:330px;padding:35px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.service-card:before{content:"";position:absolute;left:35px;top:0;width:78px;height:3px;background:var(--blue)}.service-no{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:1px}.service-card h3{margin:13px 0 9px;color:var(--ink);font-size:25px}.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:24px 0 0;padding:0;list-style:none}.feature-list li{padding:10px 12px;border-radius:9px;background:#f6f9fd;color:#314157;font-size:13px}.feature-list li:before{content:"·";color:var(--blue);font-weight:900;margin-right:8px}.service-note{margin-top:19px;padding:12px 14px;border-left:3px solid var(--cyan);background:#f0faff;font-size:13px}.preview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.preview-card{padding:15px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.preview-button{width:100%;padding:0;border:0;border-radius:13px;overflow:hidden;background:#eef4fc;text-align:left}.preview-button:focus-visible{outline:3px solid #93b9ff;outline-offset:3px}.shot{height:190px;padding:13px;background:#f0f4f9}.shot-bar{height:20px;margin-bottom:10px;border-radius:6px;background:#fff;box-shadow:0 1px 0 #d8e2ee}.shot-hero{height:58px;border-radius:8px;background:linear-gradient(135deg,#1d4ed8,#69b9ff)}.shot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin-top:8px}.shot-grid i{height:55px;border-radius:7px;background:#fff;border:1px solid #dfe7f1}.shot.b2b{display:grid;grid-template-columns:70px 1fr;gap:9px}.shot.b2b .shot-side{border-radius:8px;background:#fff}.shot-table{display:grid;grid-template-rows:26px repeat(4,1fr);gap:5px}.shot-table i{border-radius:5px;background:#fff}.shot.shop .shot-hero{height:42px}.shot.shop .shot-grid{grid-template-columns:repeat(4,1fr)}.shot.shop .shot-grid i{height:86px}.preview-meta{padding:19px 6px 8px}.preview-meta h3{margin:0 0 8px;color:var(--ink);font-size:19px}.preview-meta p{margin:0}.demo-label{position:absolute;margin:10px;padding:3px 8px;border-radius:999px;color:#fff;background:rgba(11,18,32,.76);font-size:11px;z-index:2}.geo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.geo-step{padding:26px 22px;border-top:3px solid var(--blue);border-radius:0 0 15px 15px;background:#fff;box-shadow:0 10px 30px rgba(48,80,130,.06)}.geo-step b{color:#a9b9d1;font-size:24px}.geo-step h3{margin:15px 0 8px;color:var(--ink);font-size:18px}.question-strip{margin-top:30px;padding:20px 24px;border:1px dashed #9fc0f5;border-radius:13px;background:#f5f9ff;display:flex;align-items:center;gap:22px}.question-strip strong{color:var(--ink);white-space:nowrap}.question-strip span{display:inline-block;margin:4px;padding:6px 11px;border-radius:999px;background:#fff;color:#315380;font-size:13px}.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.plan{display:flex;flex-direction:column;padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.plan.featured{border-color:#9fc0ff;background:linear-gradient(180deg,#f7faff,#fff)}.plan h3{margin:8px 0;color:var(--ink)}.plan p{min-height:54px}.plan .btn{margin-top:auto}.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;counter-reset:step}.flow li{position:relative;min-height:116px;padding:20px;border:1px solid var(--line);border-radius:14px;background:#fff;list-style:none}.flow li:before{counter-increment:step;content:"0" counter(step);display:block;color:var(--blue);font-weight:900;margin-bottom:10px}.flow li:not(:last-child):after{content:"→";position:absolute;right:-14px;top:43px;color:#8eaddc;font-size:18px;z-index:2}.faq{max-width:900px;margin:auto}.faq details{border-bottom:1px solid var(--line);padding:19px 2px}.faq summary{color:var(--ink);font-weight:700;cursor:pointer}.faq p{margin:12px 0 0}.cta{padding:40px;border-radius:22px;color:#dce8ff;background:#102857;display:flex;justify-content:space-between;gap:30px;align-items:center}.cta h2{margin:0 0 9px;color:#fff;font-size:28px}.cta p{max-width:780px;margin:0}.footer{padding:54px 0 30px;background:#081224;color:#8fa0bd}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:50px}.footer h4{color:#fff}.footer a{display:block;margin:7px 0}.footer a:hover{color:#fff}.footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid #21304a;font-size:12px}.modal{position:fixed;inset:0;z-index:500;display:none;place-items:center;padding:24px;background:rgba(6,14,29,.65);backdrop-filter:blur(5px)}.modal.open{display:grid}.modal-panel{position:relative;width:min(720px,100%);max-height:min(88vh,780px);overflow:auto;border-radius:20px;background:#fff;box-shadow:0 30px 90px rgba(0,0,0,.3)}.modal-head{padding:25px 28px 19px;border-bottom:1px solid var(--line)}.modal-head h2{margin:0;color:var(--ink);font-size:24px}.modal-head p{margin:5px 45px 0 0}.modal-close{position:absolute;right:18px;top:18px;width:38px;height:38px;border:0;border-radius:50%;font-size:22px;background:#eef3f8}.modal-body{padding:25px 28px 29px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}.field{display:flex;flex-direction:column;gap:7px}.field.full{grid-column:1/-1}.field label{color:#223047;font-weight:700;font-size:13px}.field input,.field select,.field textarea{width:100%;border:1px solid #cfd9e7;border-radius:10px;padding:11px 12px;background:#fff}.field textarea{min-height:96px;resize:none}.choice-group{display:grid;gap:7px}.choice{display:flex;align-items:center;gap:8px;padding:9px 10px;border:1px solid #d5deea;border-radius:9px;font-size:13px}.choice:has(input:checked){border-color:#8eb5f6;background:#f1f6ff;color:#1749c6}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.11)}.field [aria-invalid="true"]{border-color:#dc2626}.check{display:flex;align-items:flex-start;gap:9px;font-size:13px}.check input{margin-top:6px}.form-error{min-height:22px;color:#b91c1c;font-size:13px}.form-success{padding:22px;border-radius:13px;background:#eaf8f1;color:#107143;font-weight:700}.preview-panel{width:min(1050px,100%)}.preview-large{padding:28px;background:#edf3fa}.preview-large .shot{height:min(62vh,560px)}.ai-ball .ai-robot-art{display:none}
@media(max-width:1060px){.nav{display:none}.hd-in{justify-content:space-between}.hero-grid{grid-template-columns:1fr;gap:46px}.hero-copy{max-width:760px}.geo-grid{grid-template-columns:1fr 1fr}.preview-grid{grid-template-columns:1fr 1fr}.flow{grid-template-columns:1fr 1fr 1fr}.flow li:after{display:none}}
@media(max-width:720px){.wrap{width:min(100% - 32px,1180px)}.hd-in{width:calc(100% - 28px);height:64px}.logo-tx i,.hd-act .btn-outline{display:none}.hd-act .btn{padding:9px 12px}.hero{padding:52px 0 60px}.hero h1{font-size:37px;letter-spacing:-1px}.store{grid-template-columns:95px 1fr;min-height:310px}.store-side{padding:18px 10px}.product-row{grid-template-columns:1fr 1fr}.product-mini:last-child{display:none}.section{padding:64px 0}.section-head h2{font-size:28px}.service-grid,.preview-grid,.geo-grid,.plan-grid,.footer-grid{grid-template-columns:1fr}.feature-list{grid-template-columns:1fr}.question-strip,.cta{align-items:flex-start;flex-direction:column}.flow{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.modal{padding:12px}.modal-body,.modal-head{padding-left:19px;padding-right:19px}.shot{height:175px}.preview-large .shot{height:390px}.footer-grid{gap:24px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* Independent, lightweight business modules */
.module-section{padding-top:12px;background:#fff}
.module-panel{padding:48px;border:1px solid #d7e4f5;border-radius:22px;background:linear-gradient(145deg,#f8fbff 0%,#eef5ff 100%)}
.module-panel .section-head{margin-bottom:30px}
.commerce-module-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:14px}
.commerce-module-card{grid-column:span 3;min-height:158px;padding:23px 22px;border:1px solid #dfe7f1;border-radius:15px;background:#fff}
.commerce-module-card:nth-child(n+5){grid-column:span 4}
.commerce-module-icon{width:42px;height:42px;display:grid;place-items:center;margin-bottom:17px;border-radius:11px;color:var(--blue);background:var(--blue-soft)}
.commerce-module-icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.commerce-module-card h3{margin:0 0 7px;color:var(--ink);font-size:18px}
.commerce-module-card p{margin:0;color:#64748b;font-size:13px;line-height:1.65}
@media(max-width:1060px){.commerce-module-card,.commerce-module-card:nth-child(n+5){grid-column:span 6}}
@media(max-width:720px){.module-section{padding-top:0}.module-panel{padding:34px 20px}.commerce-module-card,.commerce-module-card:nth-child(n+5){grid-column:1/-1;min-height:auto}}

/* Detail page link on preview cards */
.preview-more{display:inline-block;margin-top:10px;color:var(--blue);font-size:13.5px;font-weight:600}
.preview-more:hover{color:var(--blue-dark);text-decoration:underline}