:root{--paper:#f6f5f0;--ink:#192123;--muted:#64696a;--line:#d8d9d3;--blue:#2458e8;--orange:#f3a15c;--gutter:clamp(24px,5vw,80px);--max:1280px;font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;-webkit-font-smoothing:antialiased}body.modal-open{overflow:hidden}button,input,textarea{font:inherit}button,a,input,textarea,summary{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button{color:inherit}img{display:block;max-width:100%}svg{display:block}h1,h2,h3,p{margin:0}button{border:0}button:disabled{cursor:wait}::selection{background:#d9e2ff}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--blue);outline-offset:5px}input:focus-visible,textarea:focus-visible{outline-offset:2px}[hidden]{display:none!important}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.container{width:calc(100% - var(--gutter)*2);max-width:var(--max);margin-inline:auto}.mobile-break{display:none}.skip-link{position:fixed;top:8px;left:12px;transform:translateY(-160%);padding:12px;background:var(--blue);color:white;z-index:20}.skip-link:focus{transform:none}.blue{color:var(--blue)}
.site-header{position:sticky;top:0;z-index:10;border-bottom:1px solid #d8d9d380;background:rgb(246 245 240 / 94%);backdrop-filter:blur(16px)}.header-inner{height:86px;width:calc(100% - var(--gutter)*2);max-width:var(--max);margin:auto;display:flex;align-items:center;gap:36px}.brand{display:inline-flex;align-items:center;gap:13px;font-size:30px;font-weight:800;letter-spacing:-1px;flex-shrink:0}.brand-mark{display:block;position:relative;width:34px;height:38px}.brand-mark i{position:absolute;width:12px;height:31px;background:var(--blue);border-radius:7px;transform:rotate(40deg);left:6px;top:0}.brand-mark i+i{left:19px;top:12px;height:26px}.desktop-nav{margin-left:auto;display:flex;align-items:center;gap:30px;font-size:14px;font-weight:550}.desktop-nav a{position:relative;padding-block:14px}.desktop-nav a:after{content:"";position:absolute;height:2px;left:0;right:100%;bottom:5px;background:var(--blue);transition:right .2s}.desktop-nav a:hover:after{right:0}.button{display:inline-flex;align-items:center;justify-content:center;gap:32px;padding:18px 25px;background:var(--blue);color:white;border:1px solid var(--blue);border-radius:7px;font-size:15px;font-weight:600;line-height:1.4;transition:background .2s,transform .2s;white-space:nowrap}.button:hover{background:#1745c7;transform:translateY(-2px)}.button span{font-size:22px;font-weight:400;line-height:1}.button.small{padding:12px 17px;font-size:13px;gap:20px}.text-link,.text-button{display:inline-flex;align-items:center;gap:22px;border:0;padding:7px 0;background:transparent;font-size:14px;font-weight:600;line-height:1.6;text-align:left}.text-link>span{transition:transform .2s}.text-link:hover{color:var(--blue)}.text-link:hover>span{transform:translate(3px,-2px)}.menu-toggle{display:none}.mobile-nav{border-top:1px solid var(--line);padding:12px var(--gutter) 25px}.mobile-nav a{display:flex;justify-content:space-between;padding:16px 0;border-bottom:1px solid var(--line);font-size:19px}.mobile-nav a span{font-size:12px;color:var(--muted)}.mobile-nav .text-button{margin-top:18px;color:var(--blue)}
.hero{position:relative;min-height:700px;max-width:1600px;margin:auto;isolation:isolate;overflow:hidden}.hero-inner{position:relative;z-index:2;max-width:var(--max);width:calc(100% - var(--gutter)*2);margin:auto;padding-block:82px 52px;pointer-events:none}.hero-inner a{pointer-events:auto}.eyebrow{font-size:14px;color:var(--blue);font-weight:650;letter-spacing:2px;display:flex;align-items:center;gap:14px;margin-bottom:30px}.eyebrow span{font-weight:400}h1{font-size:clamp(46px,4.65vw,70px);line-height:1.23;letter-spacing:-3px;font-weight:750}h1>span{display:block}.hero-last-line{font-size:.75em;margin-top:9px;letter-spacing:-2px}.hero-description{font-size:17px;color:#424849;line-height:1.9;margin-top:28px}.hero-actions{display:flex;align-items:center;gap:32px;margin-top:34px}.hero-footnote{display:flex;align-items:center;gap:9px;font-size:12px;line-height:1.7;color:#6b706e;margin-top:55px}.status-dot{width:5px;height:5px;border-radius:50%;background:var(--blue)}.hero-art{position:absolute;inset:0 0 0 40%;z-index:0}.hero-art:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--paper),transparent 23%),linear-gradient(0deg,var(--paper),transparent 12%)}.hero-art img{width:100%;height:100%;object-fit:cover;object-position:60% 63%}.art-caption{position:absolute;bottom:15px;right:var(--gutter);font-size:10px;color:#707571;z-index:2}
.section{padding:34px 0 75px;border-top:1px solid var(--line)}.section-index{display:flex;align-items:center;gap:10px;font-size:12px;font-weight:550;color:#444b4d;letter-spacing:.5px}.section-index>span{color:#888e90;font-weight:400}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin:27px 0 38px}h2{font-size:clamp(30px,3.15vw,46px);line-height:1.35;letter-spacing:-1.5px;font-weight:700}.section-heading>p{color:var(--muted);font-size:14px;line-height:1.8;padding-bottom:3px}.services{display:grid;grid-template-columns:repeat(3,1fr);margin-top:48px}.service{padding:0 34px}.service:first-child{padding-left:0}.service:last-child{padding-right:0}.service+.service{border-left:1px solid var(--line)}.line-icon{width:32px;height:32px;stroke:var(--blue);stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round;margin-bottom:22px}.service h3{font-size:21px;font-weight:650;letter-spacing:-.4px}.service p{font-size:14px;line-height:1.9;color:var(--muted);margin-top:15px;max-width:350px;min-height:80px}.service-tags{color:#7a7f80;font-size:11px;line-height:1.7;margin:16px 0 19px}.service .text-link{font-size:13px}
.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.product{min-height:430px;position:relative;overflow:hidden;border-radius:7px;padding:34px 32px}.product-yatu{background:#f5e5d1}.product-dabai{background:#e6edf8}.product-copy{position:relative;z-index:2}.overline{font-size:10px;letter-spacing:1.6px;font-weight:550;line-height:1.7;color:var(--muted)}.product h3{font-size:33px;font-weight:700;letter-spacing:-1px;line-height:1.6}.product-copy>p{font-size:16px;line-height:1.8}.product-chips{display:flex;gap:6px;margin-top:18px;flex-wrap:wrap}.product-chips span{font-size:10px;border:1px solid #b7a59099;padding:4px 9px;border-radius:20px}.product .text-link{color:var(--blue);margin-top:17px;font-size:13px}.product-title{display:flex;align-items:center;gap:12px}.badge{display:inline-block;color:var(--blue);border:1px solid #2458e865;border-radius:20px;padding:3px 9px;font-size:10px;white-space:nowrap;line-height:1.4}.product-copy .product-description{font-size:12px;color:#596478;line-height:1.8;margin-top:13px}.product-note{position:absolute;bottom:17px;left:32px;color:#7a7269;font-size:10px;z-index:2}.book-display{position:absolute;width:65%;height:100%;right:-17%;bottom:-14%;transform:rotate(8deg);border-radius:8px;box-shadow:-18px 15px 30px #a86e3222;overflow:hidden}.book-display img{width:100%;height:100%;object-fit:cover;object-position:28% 75%;transform:scale(1.8);transform-origin:42% 65%}.product-yatu:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#f5e5d1 26%,transparent 64%);pointer-events:none}.mini-window{position:absolute;right:-15px;bottom:39px;width:80%;background:#ffffffed;border-radius:9px 0 0 9px;box-shadow:0 15px 40px #4a699920;border:1px solid #fff;transform:rotate(-4deg)}.mini-top{padding:13px 15px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #e8edf5;font-size:8px;color:#858fa2}.mini-brand{font-size:11px;color:#2d3d5a;font-weight:650}.mini-body{display:flex}.mini-sidebar{display:flex;flex-direction:column;gap:21px;padding:18px 15px;font-size:8px;background:#f9faff;border-right:1px solid #e8edf5;color:#838b9a}.mini-sidebar b{color:var(--blue)}.mini-main{flex:1;padding:17px 19px 20px}.mini-label{font-size:10px;font-weight:550;color:#546179}.mini-material{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid #eef1f6;font-size:9px}.check-square{background:var(--blue);color:white;display:grid;place-items:center;width:12px;height:12px;border-radius:2px;font-size:8px}.mini-material i{margin-left:auto;width:44px;height:5px;border-radius:3px;background:#edf0f7}.mini-progress{display:flex;justify-content:space-between;font-size:8px;color:#68748c;margin-top:15px}.mini-progress b{color:#b0b9ca;font-weight:400}
.work-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:0 0 24px}.filters{display:flex;gap:9px}.filter{padding:8px 15px;font-size:12px;border-radius:20px;background:transparent;color:var(--muted);border:1px solid transparent;transition:background .2s}.filter:hover{border-color:var(--line)}.filter.is-active{background:var(--ink);color:white}.sample-note{font-size:11px;color:#878c8d}.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.work-open{display:block;width:100%;padding:0;background:transparent;text-align:left}.work-visual{height:300px;position:relative;overflow:hidden;border-radius:5px;transition:transform .3s}.work-open:hover .work-visual{transform:translateY(-5px)}.work-number{position:absolute;top:18px;left:18px;font-size:8px;letter-spacing:1.3px;z-index:3;color:#6d6254}.visual-book{background:#ebdfcf}.editorial-book{position:absolute;width:63%;height:300px;top:59px;left:24%;background:#dc8740;color:#211f19;transform:rotate(-12deg);box-shadow:12px 10px 25px #5f422322;border-radius:2px 5px 3px 2px;padding:26px 24px;border-left:5px double #b7743c}.editorial-book>span:first-child{font-size:15px;font-weight:600;letter-spacing:2px}.editorial-book strong{display:block;font-size:31px;line-height:1.4;font-weight:650;margin-top:20px;letter-spacing:-1px}.book-rule{display:block;margin:20px 0 10px;height:1px;background:#39251988}.editorial-book small{font-size:5px;letter-spacing:1px}.visual-video{background:#dfe8e9}.video-frame{position:absolute;left:25%;top:45px;width:50%;height:260px;border-radius:9px;overflow:hidden;border:5px solid #fff;box-shadow:10px 9px 20px #47555922;transform:rotate(5deg)}.video-frame img{width:100%;height:100%;object-fit:cover;transform:scale(2.8);transform-origin:78% 57%}.video-caption{position:absolute;bottom:17px;left:0;right:0;text-align:center;color:white;background:#2458e8e8;padding:10px 5px;font-size:12px;font-weight:600;line-height:1.7}.visual-side-note{position:absolute;right:13px;top:100px;writing-mode:vertical-rl;font-size:9px;letter-spacing:2px;color:#798a8d}.visual-knowledge{background:#2354ce;color:#f7f8ff;padding:23px}.visual-knowledge .work-number{color:#c9d6fc}.quotation{position:absolute;right:18px;top:11px;color:#6790ed;font-family:Georgia,serif;font-size:125px;line-height:1}.visual-knowledge strong{position:absolute;left:24px;top:94px;font-size:32px;font-weight:550;line-height:1.45;letter-spacing:-1px}.knowledge-bottom{position:absolute;bottom:25px;left:24px;right:24px;border-top:1px solid #a5baff50;padding-top:14px;display:flex;justify-content:space-between;font-size:10px}.work-info{display:flex;justify-content:space-between;align-items:center;padding:19px 1px}.work-info h3{font-size:16px;font-weight:600}.work-info p{font-size:11px;color:var(--muted);margin-top:8px}.work-info>span{font-size:24px;font-weight:400}
.about-section{background:#eeeee7;margin:12px 0 70px}.about-inner{display:grid;grid-template-columns:1.15fr 1fr;gap:100px;padding-block:67px}.about-inner h2{font-size:38px;margin-top:28px}.about-intro{color:var(--muted);font-size:14px;line-height:2;margin:25px 0 24px}.about-inner .text-link{font-size:13px}.principles{padding-top:13px}.principles article{display:flex;align-items:flex-start;gap:24px;padding:23px 0}.principles article+article{border-top:1px solid #d7d9ce}.principles article>span{font-size:11px;color:var(--blue);margin-top:4px}.principles h3{font-size:18px;font-weight:600}.principles p{font-size:13px;color:var(--muted);line-height:1.9;margin-top:10px;max-width:330px}.faq-section{display:grid;grid-template-columns:1fr 1.4fr;gap:65px;border-top:0;padding-top:0}.faq-section h2{font-size:35px;margin:25px 0}.faq-section .text-link{font-size:13px;color:var(--blue)}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;cursor:pointer;padding:22px 0;font-size:15px;font-weight:550;line-height:1.6}summary::-webkit-details-marker{display:none}summary>span{font-size:20px;color:var(--muted);font-weight:400;transition:transform .2s}details[open] summary>span{transform:rotate(45deg);color:var(--blue)}details p{font-size:13px;color:var(--muted);line-height:1.9;padding:0 30px 23px 0}
.contact-section{padding:44px 0 65px;border-top:1px solid var(--line)}.contact-section .overline{color:var(--blue)}.contact-row{display:flex;justify-content:space-between;align-items:center;gap:30px;margin-top:22px}.contact-row h2{font-size:45px}.contact-button{min-width:220px;justify-content:space-between}.contact-section>p{font-size:14px;color:var(--muted);margin-top:18px}.site-footer{border-top:1px solid var(--line)}.footer-top{padding:30px 0;display:flex;gap:25px;align-items:center}.footer-top .brand{font-size:24px}.footer-top>span{font-size:12px;color:var(--muted)}.footer-top>.text-link{font-size:12px;margin-left:auto}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:20px 0 26px;font-size:10px;color:#83898a;border-top:1px solid #e1e2dc;line-height:1.8}
.dialog{border:1px solid #e1e2dc;border-radius:14px;background:var(--paper);color:var(--ink);padding:43px;width:min(640px,calc(100% - 36px));max-height:calc(100dvh - 48px);overflow:auto;box-shadow:0 24px 100px #141c2340}.dialog::backdrop{background:#17202588;backdrop-filter:blur(7px)}.dialog[open]{animation:dialog-in .18s ease-out}.dialog-close{position:absolute;right:15px;top:14px;display:grid;place-items:center;background:transparent;color:var(--muted);border-radius:50%;font-size:26px;width:38px;height:38px}.dialog-close:hover{background:#e7e8e0;color:var(--ink)}.dialog>.overline{color:var(--blue);margin-bottom:15px}.dialog h2{font-size:33px;line-height:1.4;letter-spacing:-.8px;padding-right:8px}.dialog h3{font-size:18px;margin-top:24px}.dialog-intro,#detail-body>p{font-size:14px;line-height:1.9;color:var(--muted);margin:19px 0}.dialog ul{padding-left:20px;font-size:14px;color:#505858;line-height:2.1}.detail-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-block:25px}.detail-tile{padding:18px 14px;background:#edeee7;border-radius:5px}.detail-tile span{display:block;color:var(--blue);font-size:10px;margin-bottom:12px}.detail-tile strong{font-size:14px;font-weight:600}.detail-tile p{font-size:11px;line-height:1.7;color:var(--muted);margin-top:10px}.detail-note{font-size:11px!important;color:#777f82!important;padding:13px 15px;background:#eceee9;border-radius:5px}.dialog-actions{display:flex;align-items:center;gap:24px;margin-top:28px}.dialog .button{font-size:13px;padding:14px 20px;gap:22px}.dialog .text-link{font-size:13px}.flow-list{list-style:none!important;padding-left:0!important;margin:24px 0!important;counter-reset:flow}.flow-list li{display:flex;align-items:center;gap:15px;padding:12px 0;border-bottom:1px solid var(--line);line-height:1.7;font-size:13px;counter-increment:flow}.flow-list li:before{content:counter(flow,decimal-leading-zero);font-size:10px;color:var(--blue)}.detail-preview{width:100%;max-height:310px;object-fit:cover;object-position:50% 62%;border-radius:7px;margin:23px 0}.checklist-table{width:100%;border-collapse:collapse;font-size:12px;margin:22px 0}.checklist-table td{padding:13px 7px;border-bottom:1px solid var(--line);line-height:1.7;vertical-align:top}.checklist-table td:first-child{color:var(--blue);width:65px}.checklist-table th{text-align:left;font-weight:550;padding:10px 7px;border-bottom:1px solid var(--line);color:var(--muted)}
fieldset{margin:24px 0;padding:0;border:0}legend,.field-label{font-size:13px;font-weight:600;margin-bottom:11px}.interest-options{display:flex;gap:8px;flex-wrap:wrap}.interest-options label{position:relative;cursor:pointer}.interest-options input{position:absolute;opacity:0;width:1px;height:1px;bottom:0;left:10px}.interest-options span{display:block;padding:9px 12px;border:1px solid #d5d9d8;border-radius:20px;font-size:11px;color:var(--muted)}.interest-options input:checked+span{background:#e4eafd;border-color:#b9c8f3;color:var(--blue)}.interest-options input:focus-visible+span{outline:3px solid var(--blue);outline-offset:2px}.field-label{display:flex;align-items:center;justify-content:space-between;margin-top:21px}.field-label span{font-size:10px;color:#939a9b;font-weight:400}#institution,textarea{width:100%;padding:13px 14px;background:#fdfcf8;border:1px solid #d4d9d5;border-radius:5px;font-size:13px;color:var(--ink);line-height:1.7}textarea{resize:vertical;min-height:95px}.form-note{font-size:11px;line-height:1.9;color:#7a8485;margin:16px 0 22px}#inquiry-result{margin-top:28px}#inquiry-result h3{margin:16px 0 10px}#inquiry-result>p{font-size:13px;color:var(--muted);line-height:1.8}.result-mark{width:36px;height:36px;display:grid;place-items:center;border-radius:50%;background:#e3ecdc;color:#507641}#inquiry-text{white-space:pre-wrap;overflow-wrap:anywhere;background:#eaede5;border-radius:6px;padding:20px;font:13px/1.9 inherit;line-height:1.9;margin:20px 0;font-size:13px;font-family:inherit}#copy-status{min-height:24px;color:var(--blue)!important;font-size:11px!important}.noscript{padding:18px;text-align:center;border-top:1px solid var(--line);font-size:13px}
@keyframes dialog-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@media(min-width:1500px){.hero-inner{padding-top:95px}.hero{min-height:730px}.hero-art{left:42%}}
@media(max-width:1100px){.header-inner{gap:22px}.desktop-nav{gap:20px}.hero{min-height:655px}.hero-inner{padding-top:76px}.hero-art{left:42%}.hero-footnote{margin-top:42px}.service{padding-inline:24px}.service p{min-height:105px}.product{padding:29px 25px;min-height:430px}.book-display{right:-20%;width:70%;bottom:-18%}.mini-window{width:88%;bottom:45px}.work-visual{height:265px}.editorial-book{padding:22px 17px;width:67%;left:23%}.editorial-book strong{font-size:27px}.visual-knowledge strong{font-size:28px}.about-inner{gap:50px}.about-inner h2{font-size:34px}.product h3{font-size:29px}.product-chips{max-width:200px}.hero-last-line{font-size:.72em}}
@media(max-width:850px){.desktop-nav{gap:15px;font-size:12px}.brand{font-size:26px}.button.small{padding:10px 13px;gap:11px}.header-inner{gap:22px;height:76px}.hero{min-height:580px}.hero-inner{padding-top:61px}.hero h1{font-size:47px;letter-spacing:-2px}.hero-last-line{font-size:.71em;letter-spacing:-1px}.hero-description{font-size:14px}.hero-actions{gap:22px}.hero-actions .button{padding:15px 19px;gap:20px;font-size:13px}.hero-actions .text-link{font-size:12px}.hero-footnote{font-size:10px}.service{padding-inline:20px}.service h3{font-size:18px}.service p{font-size:13px;min-height:124px}.service-tags{font-size:10px}.product{min-height:445px}.book-display{width:75%;right:-16%;height:72%;bottom:-12%;transform:rotate(4deg)}.product-yatu:after{background:linear-gradient(180deg,#f5e5d1 22%,transparent 76%)}.product-note{left:25px}.mini-window{width:91%;bottom:43px}.mini-sidebar{padding-inline:10px}.mini-main{padding-inline:10px}.work-grid{gap:15px}.work-visual{height:230px}.work-number{font-size:6px;top:15px;left:14px}.editorial-book{width:70%;left:20%;top:51px}.editorial-book strong{font-size:24px}.editorial-book>span:first-child{font-size:12px}.visual-knowledge strong{font-size:24px;left:18px;top:78px}.quotation{font-size:100px}.knowledge-bottom{left:18px;right:18px;font-size:8px}.video-frame{left:23%;width:55%;top:43px;height:205px}.video-caption{font-size:10px}.visual-side-note{font-size:8px;right:9px}.work-info h3{font-size:13px}.work-info p{font-size:10px}.about-inner{gap:35px}.about-inner h2{font-size:30px}.about-intro{font-size:13px}.about-intro br{display:none}.faq-section{gap:30px;grid-template-columns:1fr 1.3fr}.faq-section h2{font-size:30px}.contact-row h2{font-size:37px}.footer-top{gap:20px}.footer-bottom{font-size:9px}}
@media(max-width:700px){:root{--gutter:24px}html{scroll-padding-top:85px}.header-inner{height:70px;gap:16px}.brand{font-size:25px;gap:9px}.brand-mark{transform:scale(.86);transform-origin:left center;width:30px}.desktop-nav{display:none}.header-contact{margin-left:auto}.button.small{font-size:11px;gap:9px;padding:9px 10px;border-radius:5px}.button.small span{font-size:16px}.menu-toggle{width:27px;height:38px;display:flex;flex-direction:column;justify-content:center;gap:6px;padding:0;background:transparent;flex-shrink:0}.menu-toggle span{height:1.5px;width:24px;background:var(--ink);transition:transform .2s}.menu-toggle[aria-expanded="true"] span:first-child{transform:translateY(3.75px) rotate(45deg)}.menu-toggle[aria-expanded="true"] span:last-child{transform:translateY(-3.75px) rotate(-45deg)}.hero{min-height:0;padding-bottom:0;display:flex;flex-direction:column}.hero-inner{padding:44px 0 0;order:0}.hero-art{position:relative;inset:auto;order:1;height:400px;margin-top:5px;width:100%}.hero-art img{object-position:center 72%}.hero-art:after{background:linear-gradient(180deg,var(--paper),transparent 13%,transparent 90%,var(--paper))}.hero .eyebrow{font-size:11px;gap:11px;margin-bottom:22px;letter-spacing:1px}.hero h1{font-size:52px;line-height:1.2;letter-spacing:-2px}.hero-last-line{font-size:.66em;letter-spacing:-1.5px;margin-top:9px}.hero-description{font-size:14px;line-height:1.9;margin-top:23px}.hero-actions{margin-top:25px;gap:27px}.hero-actions .button{font-size:12px;padding:14px 17px;gap:19px}.hero-actions .text-link{font-size:12px;gap:12px}.hero-footnote{display:none}.art-caption{font-size:8px;bottom:15px;right:24px}.section{padding:26px 0 42px}.section-index{font-size:10px;gap:8px}.section-heading{margin:23px 0 27px;display:block}h2{font-size:30px;letter-spacing:-1px;line-height:1.45}.section-heading>p{font-size:12px;margin-top:13px;line-height:1.8}.section-heading>p br{display:none}.services{grid-template-columns:1fr;margin-top:30px}.service{padding:24px 0!important;display:grid;grid-template-columns:32px 1fr;column-gap:17px}.service+.service{border-left:0;border-top:1px solid var(--line)}.service:first-child{padding-top:0!important}.service:last-child{padding-bottom:0!important}.line-icon{width:28px;height:28px;grid-column:1;margin:1px 0 0;grid-row:1/4}.service h3{font-size:19px;grid-column:2}.service p{min-height:0;max-width:none;font-size:13px;grid-column:2;margin-top:10px}.service-tags{grid-column:2;margin:12px 0 7px;font-size:10px}.service .text-link{grid-column:2;font-size:12px}.product-grid{grid-template-columns:1fr;gap:18px}.product{min-height:405px;padding:29px}.product h3{font-size:32px}.product-copy>p{font-size:15px}.product-chips{max-width:none;margin-top:12px}.product .text-link{margin-top:13px}.book-display{height:84%;width:60%;right:-12%;bottom:-13%;transform:rotate(6deg)}.product-yatu:after{background:linear-gradient(110deg,#f5e5d1 21%,transparent 69%)}.product-dabai{min-height:435px}.mini-window{width:87%;bottom:39px;right:-6px}.mini-top{padding:12px 15px}.mini-sidebar{padding:16px 14px}.mini-main{padding:15px}.mini-label{font-size:9px}.mini-progress{font-size:8px}.product-note{left:29px}.product-copy .product-description{font-size:12px;margin-top:10px}.work-bar{display:block;margin:0 0 22px}.filters{gap:4px;flex-wrap:wrap}.filter{padding:8px 13px;font-size:11px}.sample-note{display:block;font-size:9px;margin-top:13px}.work-grid{grid-template-columns:1fr;gap:25px}.work-visual{height:320px}.work-info{padding:16px 1px 0}.work-info h3{font-size:16px}.work-info p{font-size:11px}.work-number{font-size:8px;left:21px;top:20px}.editorial-book{width:58%;left:27%;top:57px;height:330px;padding:29px 22px}.editorial-book>span:first-child{font-size:16px}.editorial-book strong{font-size:32px}.editorial-book small{font-size:6px}.video-frame{width:49%;left:26%;top:49px;height:295px}.video-caption{font-size:13px}.visual-side-note{font-size:9px;right:20px}.visual-knowledge strong{font-size:34px;left:28px;top:110px}.quotation{font-size:140px;right:20px;top:13px}.knowledge-bottom{left:28px;right:28px;font-size:10px;bottom:30px}.about-section{margin:0 0 44px}.about-inner{grid-template-columns:1fr;gap:22px;padding-block:37px 30px}.about-inner h2{font-size:30px;margin-top:25px}.about-intro{margin-block:21px 18px;font-size:13px;max-width:390px}.principles{padding-top:0}.principles article{gap:22px;padding:21px 0}.principles h3{font-size:17px}.principles p{font-size:12px;max-width:none}.faq-section{grid-template-columns:1fr;gap:27px;padding-top:0}.faq-section h2{font-size:30px;margin-block:23px 15px}.faq-section .text-link{font-size:12px}summary{font-size:14px;padding:19px 0}details p{font-size:12px;padding-right:12px}.contact-section{padding-top:32px;padding-bottom:40px}.contact-row{display:block;margin-top:22px}.contact-row h2{font-size:33px}.contact-button{margin-top:27px;min-width:200px;font-size:13px;padding:15px 20px}.contact-section>p{font-size:12px;line-height:1.8;margin-top:19px}.overline{font-size:9px}.footer-top{flex-wrap:wrap;padding:24px 0 19px;gap:9px 14px}.footer-top .brand{font-size:22px}.footer-top>span{font-size:10px;order:3;flex-basis:100%;margin-top:4px}.footer-top>.text-link{font-size:10px;order:2}.footer-bottom{display:block;padding-block:15px 24px;font-size:9px;line-height:1.8}.footer-bottom>span{display:block}.footer-bottom>span+span{margin-top:6px}.dialog{padding:33px 24px;width:calc(100% - 24px);max-height:calc(100dvh - 24px);border-radius:12px}.dialog h2{font-size:28px}.dialog>.overline{margin-top:5px;font-size:8px;padding-right:30px}.dialog-intro,#detail-body>p{font-size:13px;line-height:1.9}.dialog-close{top:10px;right:10px}.dialog-actions{gap:20px;flex-wrap:wrap}.dialog .button{padding:13px 17px;font-size:12px}.dialog .text-link{font-size:12px}.detail-tiles{grid-template-columns:1fr;gap:9px;margin-block:20px}.detail-tile{padding:14px 16px}.detail-tile span{margin-bottom:6px}.detail-tile p{margin-top:6px}.dialog ul{font-size:13px}.detail-preview{max-height:260px}.dialog h3{font-size:17px}.interest-options{gap:7px}.interest-options span{font-size:10px;padding:8px 10px}.field-label{font-size:12px}#institution,textarea{font-size:14px}.form-note{font-size:10px}.mobile-break{display:block}.hero-description .mobile-break{display:none}}
@media(max-width:370px){:root{--gutter:20px}.header-inner{gap:11px}.brand{font-size:23px}.hero h1{font-size:47px}.hero-last-line{font-size:.66em}.hero-actions{gap:20px}.hero-actions .button{padding-inline:14px;gap:12px}.hero-description{font-size:13px}.hero-art{height:345px}.product{padding:25px}.work-visual{height:290px}.filter{padding-inline:11px}.product-note{left:25px}.mini-label{font-size:8px}}
/* Keep the portrait crop stable across card sizes, independent of screen height. */
.video-frame{height:auto;aspect-ratio:9/16}.video-frame img{position:absolute;max-width:none;width:390%;height:auto;left:-243%;top:-80%;transform:none;object-fit:initial}
@media(min-width:1101px){.mini-window{width:75%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

/* ===== site-v1 additions (2026-10-02) ===== */
:root{--num:"DIN Alternate","DIN Condensed","Helvetica Neue",Arial,sans-serif}
a.button{text-decoration:none}
.mobile-nav a.text-button{margin-top:18px;color:var(--blue);border-bottom:0}
.footer-bottom a{color:inherit;text-decoration:underline;text-underline-offset:3px}
/* proof band */
.proof-band{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ink);border-bottom:1px solid var(--line);margin-bottom:12px}
.proof-band div{padding:24px 22px 22px}
.proof-band div+div{border-left:1px solid var(--line)}
.proof-band strong{display:block;font-family:var(--num);font-size:48px;line-height:1;font-weight:700;letter-spacing:-1px;font-variant-numeric:tabular-nums}
.proof-band strong small{font-family:inherit;font-size:15px;font-weight:600;letter-spacing:0;margin-left:4px;font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}
.proof-band p{font-size:12px;color:var(--muted);line-height:1.7;margin-top:12px}
/* yatu covers */
.cover-fan{position:absolute;right:-10px;bottom:-30px;width:62%;height:78%}
.cover-fan img{position:absolute;bottom:0;width:46%;border-radius:4px;box-shadow:-10px 12px 28px #a86e3230;border:1px solid #fff8}
.cover-fan img:nth-child(1){left:2%;transform:rotate(-9deg);bottom:4%}
.cover-fan img:nth-child(2){left:28%;transform:rotate(-1deg);bottom:12%;z-index:2}
.cover-fan img:nth-child(3){left:54%;transform:rotate(8deg);bottom:2%}
.product-yatu:after{background:linear-gradient(90deg,#f5e5d1 30%,transparent 62%)}
/* cases */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.case-card{border:1px solid var(--line);border-radius:7px;overflow:hidden;background:#fcfbf8;transition:transform .25s,box-shadow .25s}
.case-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px #19212314}
.case-open{display:flex;flex-direction:column;width:100%;height:100%;padding:0;background:transparent;text-align:left}
.case-visual{position:relative;height:250px;overflow:hidden}
.case-tag{position:absolute;top:16px;left:18px;font-size:9px;letter-spacing:1.4px;z-index:3;color:#6d6254}
.visual-implant{background:var(--ink)}
.visual-implant .case-tag{color:#aab3b5}
.plat-grid{position:absolute;inset:52px 22px 24px;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.plat-grid b{grid-column:1/-1;display:grid;place-items:center;background:var(--blue);color:#fff;border-radius:5px;font-size:15px;font-weight:600;letter-spacing:1px}
.plat-grid span{display:grid;place-items:center;border:1px solid #ffffff2e;border-radius:5px;color:#e8eae4;font-size:13px}
.visual-oncology{background:#e6edf8}
.mini-bars{position:absolute;left:22px;right:22px;top:44px;width:calc(100% - 44px);height:160px}
.mini-bars rect{fill:#9fb5ef}.mini-bars rect.hi{fill:var(--blue)}
.mini-bars text{font-family:var(--num);font-size:12px;font-weight:700;fill:var(--ink)}
.mini-bars line{stroke:#b9c6e4}
.bars-cap{position:absolute;left:22px;bottom:14px;font-size:11px;color:#596478}
.visual-knee{background:#dfe8e9}
.phone-peek{position:absolute;left:24px;top:48px;width:40%;height:240px;border-radius:12px;overflow:hidden;border:5px solid #fff;box-shadow:10px 10px 24px #47555922;transform:rotate(-3deg)}
.phone-peek img{width:100%;height:auto}
.knee-num{position:absolute;right:26px;top:62px;display:grid;gap:2px;text-align:right}
.knee-num strong{font-family:var(--num);font-size:34px;line-height:1.05;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}
.knee-num span{font-size:11px;color:#5d6a6c;margin-bottom:12px}
.visual-geo{background:#eeeee7}
.visual-geo img{position:absolute;left:50%;top:40px;width:84%;transform:translateX(-50%);border-radius:6px;box-shadow:0 12px 30px #19212318}
.case-info{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.case-meta{font-size:11px;color:var(--muted)}
.case-info h3{font-size:19px;font-weight:650;letter-spacing:-.3px;line-height:1.5}
.case-info>p:not(.case-meta){font-size:13px;line-height:1.85;color:var(--muted)}
.case-kpi{display:flex;align-items:flex-end;gap:12px;margin-top:6px;padding-top:14px;border-top:1px solid var(--line)}
.case-kpi strong{font-family:var(--num);font-size:40px;line-height:1;font-weight:700;color:var(--blue);letter-spacing:-.5px;font-variant-numeric:tabular-nums}
.case-kpi span{font-size:11px;line-height:1.6;color:var(--muted)}
.case-more{margin-top:auto;padding-top:10px;font-size:13px;font-weight:600;color:var(--blue)}
/* method */
.method-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--ink)}
.method-grid li{padding:22px 20px 8px 0}
.method-grid li+li{padding-left:20px;border-left:1px solid var(--line)}
.method-grid span{font-family:var(--num);font-size:30px;font-weight:700;color:var(--blue);line-height:1}
.method-grid h3{font-size:18px;font-weight:650;margin:14px 0 8px}
.method-grid p{font-size:13px;line-height:1.85;color:var(--muted)}
.method-note{margin-top:26px;font-size:13px;color:var(--muted);padding:14px 18px;background:#eeeee7;border-radius:6px}
/* contact */
.contact-lead{font-size:14px;color:var(--muted);line-height:1.9;margin-top:16px}
.contact-qr{margin:0;display:flex;flex-direction:column;align-items:center;gap:10px;padding:16px;border:1px solid var(--line);border-radius:10px;background:#fff}
.contact-qr img{width:168px;height:168px}
.contact-qr figcaption{font-size:12px;color:var(--muted)}
/* dialog extras */
.dialog{width:min(820px,calc(100% - 36px))}
.detail-tiles.four{grid-template-columns:repeat(4,1fr)}
.detail-tile strong{font-family:inherit}
.case-figs{display:grid;gap:12px;margin:22px 0}
.case-figs figure{margin:0;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:#fff}
.case-figs img{width:100%;display:block}
.case-figs figcaption{font-size:11px;color:var(--muted);padding:7px 10px;background:#f4f5f2}
.case-figs.five{grid-template-columns:repeat(5,1fr)}
.case-figs.phones{grid-template-columns:repeat(3,1fr)}
.case-figs.phones img{aspect-ratio:9/13;object-fit:cover;object-position:top}
.case-figs.geo{grid-template-columns:1.3fr 1fr 1fr 1fr}
.case-figs.geo img{aspect-ratio:3/4;object-fit:cover;object-position:top}
.chart{margin:22px 0}
.chart svg{width:100%;height:auto;display:block}
.chart figcaption{font-size:11px;color:var(--muted);margin-top:6px}
.chart .grid line{stroke:var(--line)}
.chart .ax text{font-family:var(--num);font-size:11px;fill:var(--muted);text-anchor:end}
.chart .bar rect{fill:#9fb5ef}.chart .bar rect.hi{fill:var(--blue)}
.chart .val text{font-family:var(--num);font-size:13px;font-weight:700;fill:var(--ink);text-anchor:middle}
.chart .mo text{font-size:11px;fill:var(--muted);text-anchor:middle}
.dialog blockquote{margin:14px 0;padding:4px 0 4px 16px;border-left:3px solid var(--blue);font-size:15px;font-weight:600;line-height:1.7}
.dialog blockquote cite{display:block;font-style:normal;font-weight:400;font-size:11px;color:var(--muted);margin-top:4px}
@media(max-width:1100px){.proof-band strong{font-size:40px}.method-grid{grid-template-columns:repeat(3,1fr)}.method-grid li:nth-child(4){padding-left:0;border-left:0}.method-grid li:nth-child(n+4){border-top:1px solid var(--line)}}
@media(max-width:850px){.case-visual{height:220px}.knee-num strong{font-size:28px}.case-figs.five{grid-template-columns:repeat(3,1fr)}}
@media(max-width:700px){
  .proof-band{grid-template-columns:1fr 1fr}
  .proof-band div{padding:18px 14px}
  .proof-band div:nth-child(3){border-left:0}
  .proof-band div:nth-child(n+3){border-top:1px solid var(--line)}
  .proof-band strong{font-size:34px}
  .case-grid{grid-template-columns:1fr;gap:18px}
  .case-visual{height:230px}
  .cover-fan{width:70%;height:70%;right:-14px;bottom:-26px}
  .method-grid{grid-template-columns:1fr}
  .method-grid li,.method-grid li+li{padding:18px 0 6px;border-left:0}
  .method-grid li+li{border-top:1px solid var(--line)}
  .contact-row{display:flex;flex-direction:column;align-items:flex-start;gap:22px}
  .detail-tiles.four{grid-template-columns:1fr 1fr}
  .case-figs.five{grid-template-columns:repeat(3,1fr)}
  .case-figs.phones{gap:6px}
  .case-figs.geo{grid-template-columns:1fr 1fr}
}