:root{--navy:#061b31;--navy2:#0b2945;--blue:#0879d9;--cyan:#71dcf7;--ink:#112a42;--muted:#5a6d7e;--line:#dce5ed;--pale:#f2f6fa;--white:#fff;--radius:8px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:86px}body{margin:0;color:var(--ink);font-family:Inter,"Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:16px;line-height:1.75;background:#fff}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer}img{max-width:100%}.shell{width:min(1240px,calc(100% - 88px));margin:auto}.skip{position:fixed;top:-100px;left:20px;z-index:200;background:white;padding:10px 18px;color:var(--navy)}.skip:focus{top:10px}:focus-visible{outline:3px solid #159ce8;outline-offset:5px}section{scroll-margin-top:80px}.site-header{height:84px;background:var(--navy);color:#e5eef5;position:sticky;top:0;z-index:30;border-bottom:1px solid #ffffff17}.nav-shell{height:100%;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:block;position:relative;width:188px;height:47px;overflow:hidden;flex:none}.brand img{position:absolute;width:236px;max-width:none;height:177px;top:-59px;left:-24px}.site-header nav{display:flex;align-items:center;gap:32px;font-size:14px}.site-header nav a:hover{color:var(--cyan)}.site-header .nav-contact{border:1px solid #7cb8d5;padding:8px 20px;border-radius:4px}.menu-toggle{display:none}.hero{background:var(--navy);color:white;padding-top:67px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:72px;align-items:center;padding-bottom:78px}.eyebrow{font-size:14px;letter-spacing:.13em;margin:0 0 23px;color:#93bdd6;display:flex;align-items:center;gap:10px}.eyebrow-line{width:28px;height:2px;background:var(--cyan)}h1{font-size:clamp(36px,4.1vw,59px);font-weight:650;line-height:1.4;letter-spacing:-.05em;margin:0 0 24px}h1 em{color:var(--cyan);font-style:normal}.hero-description{max-width:475px;font-size:18px;line-height:1.9;color:#b4c6d6;margin-bottom:31px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.button{padding:12px 23px;border-radius:4px;display:inline-flex;justify-content:center;align-items:center;min-height:49px;font-weight:600;font-size:15px;border:1px solid transparent;transition:background .2s,transform .2s}.button:hover{transform:translateY(-2px)}.primary{background:var(--cyan);color:var(--navy)}.primary:hover{background:#abedff}.outline{border-color:#536b82;color:#e9f5fd}.outline:hover{background:#17364f}.hero-signature{display:flex;align-items:center;gap:18px;font-size:14px;color:#8ca6bc;margin-top:43px}.hero-signature i{height:12px;width:1px;background:#3b546c}.flow-panel{border:1px solid #2b4b66;border-radius:10px;background:#0a233b;box-shadow:0 25px 70px #020c1970;transform:rotate(-1deg)}.panel-head{display:flex;justify-content:space-between;gap:20px;padding:17px 24px;border-bottom:1px solid #234059;font-size:14px;color:#e5f1f9;letter-spacing:.08em}.caption{font-size:12px;letter-spacing:.08em;color:#8fabc0}.flow-tabs{display:flex;padding:20px 24px 0;gap:4px}.flow-tabs button{background:none;border:0;border-radius:4px;color:#96b0c5;font-size:14px;flex:1;padding:8px 3px}.flow-tabs button.selected{background:#173e59;color:var(--cyan)}.flow-body{padding:22px 28px 25px}.flow-source,.flow-output{display:flex;align-items:center;gap:14px;padding:14px 15px;border:1px solid #2b4d66;border-radius:5px;background:#102e47}.node-num{font-size:12px;color:#80a0bc;letter-spacing:.1em}.flow-body small{display:block;color:#8bacbd;font-size:12px}.flow-body strong{font-size:14px;font-weight:500;color:#e0edf7}.mini-icon,.output-check{font-size:22px;margin-left:auto;color:var(--cyan)}.flow-connector{border-left:1px solid #3b6c86;margin-left:26px;height:45px;display:flex;align-items:center;padding-left:17px;color:#85a6bc;font-size:12px}.flow-core{display:flex;align-items:center;gap:21px;padding:23px 19px;background:#143c59;border:1px solid #3b819d;border-radius:5px}.core-mark{width:55px;height:55px;flex:none;border:1px solid #72d4f1;border-radius:11px;display:grid;place-items:center;font-size:22px;color:#a5ebfa;box-shadow:inset 0 0 20px #6fceee18}.flow-core h2{font-size:19px;font-weight:500;margin:4px 0;color:#f0fbff}.flow-core p{font-size:12px;color:#a6c8db;margin:0}.panel-foot{padding:12px 20px;border-top:1px solid #234059;display:flex;justify-content:center;gap:21px;font-size:12px;color:#9bb6ca}.panel-foot b{font-weight:400;color:#496d85}.hero-bottom{padding:23px 0;display:flex;justify-content:space-between;gap:30px;border-top:1px solid #284158;font-size:13px;color:#9fb6c9}.hero-bottom b{padding:0 14px;color:#44647e;font-weight:400}.section{padding:100px 0}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:60px;margin-bottom:49px}.eyebrow.dark{color:#1275b3;letter-spacing:.11em;margin-bottom:15px;font-weight:600}.section-heading h2{font-size:37px;line-height:1.5;font-weight:600;letter-spacing:-.04em;margin:0}.section-heading>p{color:var(--muted);font-size:16px;max-width:475px;margin:0 0 5px}.ai-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.ai-feature{padding:34px 30px 34px 0}.ai-feature+article{border-left:1px solid var(--line);padding-left:30px}.service-number{display:inline-block;color:var(--blue);font-size:14px;font-weight:600;border-top:2px solid #1894d8;padding-top:9px;min-width:32px}.ai-feature h3{font-size:24px;font-weight:600;margin:20px 0 4px}.english-term{font-size:13px;color:#52758f;margin:0 0 24px}.ai-feature>p:not(.english-term){color:var(--muted);font-size:15px;line-height:1.9}.ai-feature ul{list-style:none;padding:13px 0 0;font-size:14px;line-height:2.3}.ai-feature li:before{content:"+";color:#1586c4;margin-right:12px}.muted{color:var(--muted)}.light-section{background:var(--pale)}
@media(min-width:1600px){.hero-grid{gap:110px}.hero{padding-top:88px}.hero-grid{padding-bottom:100px}}
@media(max-width:1000px){.shell{width:calc(100% - 48px)}.hero-grid{gap:30px}h1{font-size:40px}.hero-description{font-size:16px}.site-header nav{gap:19px}.section-heading h2{font-size:32px}.ai-feature{padding-right:20px}.ai-feature+article{padding-left:20px}.hero-bottom{flex-direction:column;gap:6px}.flow-body{padding:20px}.flow-core{gap:13px;padding:18px 13px}.flow-core h2{font-size:16px}}
@media(max-width:740px){.shell{width:calc(100% - 40px)}.site-header{height:72px}.brand{width:164px;height:44px}.brand img{width:211px;height:158px;top:-51px;left:-22px}.menu-toggle{display:flex;background:none;border:1px solid #415e76;border-radius:4px;color:white;padding:5px 12px;gap:10px;font-size:14px}.site-header nav{display:none;position:absolute;top:71px;left:0;right:0;background:var(--navy2);padding:24px;flex-direction:column;align-items:stretch;gap:15px;box-shadow:0 12px 25px #061b3125}.site-header nav.open{display:flex}.site-header nav a{padding:8px 4px}.site-header .nav-contact{text-align:center}.hero{padding-top:39px}.hero-grid{grid-template-columns:1fr;gap:38px;padding-bottom:36px}h1{font-size:clamp(31px,7.8vw,48px)}.hero-description{max-width:500px}.hero-signature{margin-top:26px}.flow-panel{transform:none}.hero-bottom{font-size:12px;padding:20px 0}.hero-bottom b{padding:0 4px}.section{padding:64px 0}.section-heading{display:block;margin-bottom:30px}.section-heading h2{font-size:29px}.section-heading>p{margin-top:22px}.ai-grid{grid-template-columns:1fr}.ai-feature,.ai-feature+article{padding:26px 0;border-left:0}.ai-feature+article{border-top:1px solid var(--line)}.ai-feature h3{font-size:23px;margin-top:10px}.english-term{margin-bottom:12px}.ai-feature ul{margin-bottom:0}.flow-tabs{padding:15px 16px 0}.flow-body{padding:17px}.flow-core h2{font-size:18px}.core-mark{width:48px;height:48px}.panel-foot{gap:16px}.hero-actions .button{padding:11px 18px}.eyebrow{font-size:12px}.section-heading .eyebrow{font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
.service-rows article{display:grid;grid-template-columns:45px 240px 1fr 220px;gap:24px;align-items:center;padding:28px 0;border-top:1px solid #ccdbe5}.service-rows article:last-child{border-bottom:1px solid #ccdbe5}.row-number{color:#49738e;font-size:13px}.service-rows h3{font-size:21px;font-weight:600;margin:0}.service-rows p{font-size:15px;line-height:1.85;color:var(--muted);margin:0}.tags{display:flex;gap:7px;flex-wrap:wrap;justify-content:end}.tags span{font-size:12px;color:#527189;border:1px solid #cadbe7;border-radius:3px;padding:2px 8px}.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}.scenario{border:1px solid var(--line);border-radius:6px;padding:25px 25px 0;background:white}.scenario-top{display:flex;justify-content:space-between;font-size:12px;color:#7892a6}.scenario-top>span:first-child{color:#1873a5}.scenario h3{font-size:20px;line-height:1.6;font-weight:600;margin:25px 0 13px}.scenario>p{font-size:14px;line-height:1.9;color:var(--muted);min-height:80px}.case-link{display:flex;gap:13px;font-size:12px;color:#39738f;margin:20px 0 23px}.case-link span+span{border-left:1px solid #bfd6e3;padding-left:13px}details{border-top:1px solid var(--line)}summary{list-style:none;cursor:pointer;font-size:13px;padding:16px 0;display:flex;justify-content:space-between;color:#365a72}summary::-webkit-details-marker{display:none}summary span{font-size:18px;line-height:1.3;color:var(--blue)}details[open] summary span{transform:rotate(45deg)}.case-detail{font-size:13px;border-top:1px dashed var(--line);padding:18px 0;color:var(--muted)}.case-detail b{font-weight:500;color:var(--ink)}.case-detail p{margin:4px 0 13px}.case-detail p:last-child{margin-bottom:0}.section-note{font-size:12px;color:#698194;margin:23px 0 0}.process-section{background:var(--navy);color:#eef7fd;padding:77px 0 82px}.process-section .section-heading>p{color:#9cb5c9}.process-list{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);padding:0;margin:0;gap:40px}.process-list li{border-top:1px solid #36546d;padding-top:22px}.process-list li>span{font-size:13px;color:var(--cyan)}.process-list h3{font-size:21px;margin:17px 0 13px;font-weight:500}.process-list p{font-size:14px;color:#9db5c8;line-height:1.9;margin:0}.about-grid,.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:100px}.about-grid h2,.contact-grid h2{font-size:37px;line-height:1.55;margin:0;font-weight:600;letter-spacing:-.03em}.about-location{display:flex;gap:11px;align-items:center;color:#658096;font-size:14px;margin-top:36px}.location-dot{width:7px;height:7px;border:1px solid var(--blue);border-radius:50%}.about-copy>p{font-size:16px;color:var(--muted);line-height:1.95;margin:0 0 20px}.about-copy .about-lead{font-size:22px;font-weight:600;color:var(--ink);margin:0 0 21px}.about-values{display:flex;gap:40px;border-top:1px solid var(--line);padding-top:24px;font-size:13px;color:#6c8292;margin-top:29px}.about-values b{display:block;font-size:15px;font-weight:500;color:var(--ink);margin-bottom:5px}.contact-section{background:#eaf2f7}.contact-intro{color:var(--muted);margin:25px 0 32px;font-size:16px;line-height:1.9}.contact-company{font-size:15px;font-weight:600;margin-bottom:5px}#contact-information>.muted{font-size:14px;margin-top:0}.contact-item{display:block;margin:10px 0;color:#126b9a;overflow-wrap:anywhere}.contact-item:hover{text-decoration:underline}.brief-panel{padding:30px 34px;background:white;border:1px solid #d5e3ed;border-radius:8px;box-shadow:0 12px 36px #25435d06}.brief-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.brief-heading>span:first-child{font-size:18px;font-weight:600}.brief-heading .caption{color:#698095}.brief-panel label{display:block;font-size:14px;color:#526b80;margin:17px 0 7px}.brief-panel select,.brief-panel textarea{width:100%;border:1px solid #ccdae5;background:#fbfcfe;color:var(--ink);border-radius:4px;font-size:14px;padding:11px 13px}.brief-panel textarea{resize:vertical;min-height:124px;max-height:350px}.brief-panel textarea::placeholder{color:#8a9aa9}.blue-button{background:#0c79c1;color:white;gap:15px;border:0;width:100%;margin-top:20px}.blue-button:hover{background:#0566aa}.form-note{font-size:12px;color:#768b9b;margin:13px 0 0}#brief-status{font-size:13px;color:#137451;margin:0}#brief-status:not(:empty){margin-top:10px}footer{background:#041526;color:#8da6bd}.footer-top{display:flex;align-items:center;justify-content:space-between;padding:42px 0 31px}.footer-brand{font-size:23px;color:#edf6fc;margin:0 0 8px;font-weight:600}.footer-brand span{font-size:12px;color:#7194ac;font-weight:400;letter-spacing:.12em;margin-left:14px}.footer-top div>p:last-child{font-size:13px;margin:0}.footer-top>a{font-size:13px;color:#b5ccdd}.footer-bottom{display:flex;justify-content:space-between;gap:15px;font-size:12px;padding:20px 0;border-top:1px solid #1f354a}
@media(max-width:1150px){.service-rows article{grid-template-columns:30px 205px 1fr;gap:22px}.service-rows .tags{grid-column:3;justify-content:start;margin-top:-8px}.scenario-grid{gap:16px}.scenario{padding:21px 20px 0}.scenario h3{font-size:19px}.about-grid,.contact-grid{gap:55px}}
@media(max-width:850px){.scenario-grid{grid-template-columns:repeat(2,1fr)}.process-list{gap:23px}.about-grid,.contact-grid{gap:35px}.about-grid h2,.contact-grid h2{font-size:30px}.brief-panel{padding:25px}.footer-bottom{flex-direction:column;gap:4px}}
@media(max-width:740px){.service-rows article{grid-template-columns:25px 1fr;gap:10px 17px;padding:24px 0}.service-rows h3{font-size:21px}.service-rows article>p,.service-rows .tags{grid-column:2;margin:0;justify-content:start}.service-rows .tags{margin-top:5px}.scenario-grid{grid-template-columns:1fr;gap:18px}.scenario{padding:24px 23px 0}.scenario h3{font-size:21px;margin-top:18px}.scenario>p{min-height:0}.process-section{padding:60px 0}.process-list{grid-template-columns:repeat(2,1fr);gap:28px}.process-list h3{font-size:20px;margin-top:12px}.about-grid,.contact-grid{grid-template-columns:1fr;gap:34px}.about-location{margin-top:21px}.about-copy .about-lead{font-size:21px}.about-copy>p{font-size:15px}.about-values{gap:20px}.contact-intro{margin-bottom:25px}.brief-panel{padding:25px 20px}.brief-heading .caption{font-size:11px}.footer-top{padding-top:32px;gap:20px}.footer-top>a{white-space:nowrap}.footer-brand{font-size:22px}.footer-brand span{display:block;margin-left:0;font-size:10px}.footer-top div>p:last-child{font-size:12px}.footer-bottom{font-size:11px;padding:17px 0}.section-note{font-size:12px}.service-rows p{font-size:14px}}
.case-category-nav{display:flex;gap:8px;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:45px;flex-wrap:wrap}.case-category-nav a{display:flex;align-items:center;gap:22px;padding:10px 20px;background:var(--pale);border:1px solid transparent;border-radius:4px;font-size:15px;color:#2a5674}.case-category-nav a:hover{background:#e0f1fa;border-color:#a9d5eb}.case-category-nav a span{color:#5d8ba8;font-size:12px}.case-group+.case-group{margin-top:62px}.case-group-heading{display:flex;align-items:center;justify-content:space-between;gap:30px;margin-bottom:24px}.case-group-heading>div{display:flex;align-items:center;gap:16px}.case-group-number{font-size:13px;color:#3184b4;letter-spacing:.08em}.case-group-heading h3{font-size:27px;font-weight:600;margin:0}.case-group-heading>p{font-size:14px;color:var(--muted);margin:0}.scenario-top .case-client{color:#147cae;font-size:14px;font-weight:600;letter-spacing:.06em}.scenario h4{font-size:20px;line-height:1.6;font-weight:600;margin:25px 0 13px}.case-group:last-of-type .scenario-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.case-group .scenario-top{gap:12px}.case-group .scenario-top>span:last-child{text-align:right}.case-group .scenario>p{min-height:106px}
@media(max-width:1150px){.scenario h4{font-size:19px}.case-group .scenario>p{min-height:132px}}@media(max-width:850px){.case-group-heading{align-items:start;flex-direction:column;gap:6px}.case-group .scenario>p{min-height:106px}}@media(max-width:740px){.case-category-nav{gap:8px;margin-bottom:30px;padding-bottom:16px}.case-category-nav a{font-size:14px;padding:9px 12px;gap:9px}.case-category-nav a span{font-size:11px}.case-group+.case-group{margin-top:43px}.case-group-heading h3{font-size:24px}.case-group-heading>p{font-size:13px}.case-group:last-of-type .scenario-grid{grid-template-columns:1fr}.scenario h4{font-size:21px;margin-top:18px}.case-group .scenario>p{min-height:0}}

/* Keep the rotating demo's input/output rows steady on narrow screens. */
@media(max-width:740px){#flow-input,#flow-output{display:block;min-height:3.5em}}