:root{--paper:#f7f4ee;--ink:#171716;--muted:#6f6a63;--red:#b92828;--gold:#b99a61;--container:1440px;--header:88px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans CJK SC","PingFang SC","Microsoft YaHei",sans-serif}.skip-link{position:absolute;left:-999px}.skip-link:focus{left:12px;top:12px;z-index:99;background:#fff;padding:8px 12px}.site-header{height:var(--header);position:sticky;top:0;z-index:50;background:rgba(248,246,241,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,0,0,.06)}.header-inner,.inner,.footer-inner{max-width:var(--container);margin:auto;padding:0 28px}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:flex;align-items:center;color:inherit;text-decoration:none;min-width:440px}.wordmark{display:flex;flex-direction:column;align-items:center;padding-right:24px;border-right:1px solid #d8d1c7}.wordmark img{display:block;width:128px;height:auto;object-fit:contain}.wordmark small{font-size:9px;letter-spacing:.31em;margin-top:-4px}.company-name{display:flex;flex-direction:column;padding-left:22px;line-height:1.35}.company-name strong{font-family:"Noto Serif CJK SC",serif;font-size:14px;font-weight:600}.company-name small{font-size:9px;color:#666;margin-top:4px}.nav{display:flex;align-items:center;gap:28px}.nav a{position:relative;color:#1e1d1b;text-decoration:none;font-size:14px;white-space:nowrap}.nav a.active:after,.nav a:hover:after{content:"";position:absolute;left:0;right:0;bottom:-12px;height:2px;background:var(--red)}.menu-toggle{display:none;background:none;border:0}.hero{max-width:var(--container);margin:auto}.hero-picture,.hero-picture img{display:block;width:100%}.hero-picture img{height:auto}.philosophy{background:#101010;color:#f8f6f1;padding:30px 0 28px}.inner.narrow{max-width:1280px;text-align:center}.philosophy h2,.center-heading h2{margin:0;font-family:"Noto Serif CJK SC",serif;font-size:28px;font-weight:500;letter-spacing:.12em}.title-line{display:block;width:28px;height:2px;background:var(--red);margin:10px auto 14px}.lead{max-width:760px;margin:0 auto 24px;color:#d1cdc5;font-size:13px;line-height:1.8}.capabilities{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid #2b2b2b;padding-top:22px}.capabilities article{display:flex;align-items:center;justify-content:center;gap:15px;min-height:72px;border-right:1px solid #292929}.capabilities article:last-child{border-right:0}.cap-icon{width:54px;height:54px;display:grid;place-items:center;border:1px solid var(--gold);transform:rotate(30deg);color:#e4c88d;font-family:serif}.cap-icon::first-letter{transform:rotate(-30deg)}.capabilities strong,.capabilities small{display:block;text-align:left}.capabilities strong{font-family:"Noto Serif CJK SC",serif;color:#e3c78e;font-size:18px}.capabilities small{margin-top:4px;font-size:10px;color:#aaa}.section{padding:30px 0}.section.compact{padding:22px 0}.center-heading{text-align:center;margin-bottom:20px}.business-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.image-card{position:relative;min-height:280px;background-image:linear-gradient(180deg,rgba(0,0,0,.08),rgba(0,0,0,.75)),var(--bg);background-size:cover;background-position:center;color:#fff;overflow:hidden;border-radius:2px;padding:22px;display:flex;align-items:flex-end}.image-card:after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(0,0,0,.15),transparent 55%)}.image-card>*{position:relative;z-index:1}.number{position:absolute;top:18px;left:22px;font-family:serif;font-size:26px;color:#e8d4a3}.image-card>b{position:absolute;right:16px;top:16px;font-size:10px;border:1px solid rgba(255,255,255,.55);padding:5px 8px;border-radius:2px}.image-card h3{font-family:"Noto Serif CJK SC",serif;font-size:22px;margin:0 0 8px}.image-card p{margin:0 0 13px;font-size:12px;color:#ddd}.image-card a{color:#fff;text-decoration:none;font-size:12px}.brand-grid{display:grid;grid-template-columns:repeat(6,1fr);background:#fff;border:1px solid #e5dfd5}.brand-grid article{text-align:center;padding:20px 10px;border-right:1px solid #e5dfd5;min-height:130px}.brand-grid article:last-child{border-right:0}.brand-symbol{display:block;height:40px;line-height:40px;font-family:"Noto Serif CJK SC",serif;font-size:34px}.brand-symbol.red{color:#a82121}.brand-symbol.dao{font-size:25px}.brand-symbol.heart{font-size:45px}.brand-grid h3{font-family:"Noto Serif CJK SC",serif;font-size:17px;margin:6px 0}.brand-grid p{font-size:10px;color:#777;margin:0}.project-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.project-card{position:relative;min-height:245px;overflow:hidden;background:#111;color:#fff}.project-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s ease}.project-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 20%,rgba(0,0,0,.78))}.project-card>div{position:absolute;z-index:2;left:20px;right:20px;bottom:18px}.project-card span{font-size:10px;color:#e2c386}.project-card h3{font-family:"Noto Serif CJK SC",serif;font-size:20px;margin:5px 0}.project-card p{font-size:11px;line-height:1.6;color:#ddd;margin:0}.project-card:hover img{transform:scale(1.04)}.research-section{padding:28px 0 34px;background:linear-gradient(180deg,#f8f5ef,#efe9de);position:relative;overflow:hidden}.research-section:before{content:"";position:absolute;left:0;right:0;bottom:-70px;height:170px;background:radial-gradient(ellipse at 20% 70%,rgba(120,115,105,.12),transparent 45%),radial-gradient(ellipse at 80% 70%,rgba(120,115,105,.10),transparent 45%)}.research-line{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:24px}.research-line:before{content:"";position:absolute;left:10%;right:10%;top:29px;border-top:1px solid #c8b791}.research-line article{text-align:center;position:relative}.research-line i{position:relative;z-index:2;width:58px;height:58px;display:grid;place-items:center;margin:auto;background:#f6f2ea;border:1px solid #c1a66d;border-radius:50%;font-style:normal;font-family:"Noto Serif CJK SC",serif;color:#8e713d}.research-line h3{font-size:15px;margin:10px 0 4px}.research-line p{font-size:10px;color:#777;margin:0}.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.news-grid article{display:grid;grid-template-columns:94px 1fr;gap:13px;align-items:center;background:#fff;padding:10px;border:1px solid #e7e1d7}.news-grid img{width:94px;height:78px;object-fit:cover}.news-grid time{font-size:10px;color:#888}.news-grid h3{font-size:13px;line-height:1.45;margin:4px 0 8px;font-weight:500}.news-grid a{font-size:10px;color:#333;text-decoration:none}footer{background:#151515;color:#eee;padding:30px 0}.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px;align-items:start}.footer-inner strong{font-family:"Noto Serif CJK SC",serif;font-size:17px}.footer-inner p,.footer-inner span,.footer-inner a{font-size:11px;color:#aaa}.footer-inner a{text-decoration:none}.copyright{text-align:right;font-size:11px;color:#888}
@media(max-width:1180px){.header-inner{padding:0 18px}.brand{min-width:380px}.nav{gap:18px}.company-name strong{font-size:12px}.business-grid{grid-template-columns:repeat(4,1fr)}.image-card{min-height:235px;padding:16px}.image-card h3{font-size:18px}.project-grid{grid-template-columns:repeat(4,1fr)}.project-card{min-height:205px}.brand-grid{grid-template-columns:repeat(3,1fr)}.brand-grid article:nth-child(3){border-right:0}.brand-grid article:nth-child(-n+3){border-bottom:1px solid #e5dfd5}.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){:root{--header:72px}.brand{min-width:0}.company-name{display:none}.wordmark{border:0;padding:0}.wordmark img{width:112px}.nav{position:fixed;top:var(--header);left:0;right:0;background:#f8f6f1;padding:24px;display:none;flex-direction:column;align-items:flex-start;border-top:1px solid #ddd}.nav.open{display:flex}.nav a:after{display:none}.menu-toggle{display:flex;width:34px;height:34px;flex-direction:column;justify-content:center;gap:5px}.menu-toggle span{display:block;height:1px;background:#111;width:22px}.capabilities{grid-template-columns:repeat(2,1fr)}.capabilities article{border-bottom:1px solid #292929}.capabilities article:last-child{grid-column:1/-1}.business-grid,.project-grid{grid-template-columns:repeat(2,1fr)}.research-line{grid-template-columns:repeat(5,1fr)}.footer-inner{grid-template-columns:1fr 1fr}.copyright{text-align:left}}
@media(max-width:640px){.header-inner,.inner,.footer-inner{padding-left:16px;padding-right:16px}.hero{width:100%}.hero-picture img{width:100%;height:auto}.philosophy{padding:24px 0}.philosophy h2,.center-heading h2{font-size:22px}.lead{font-size:12px}.capabilities{grid-template-columns:1fr}.capabilities article,.capabilities article:last-child{grid-column:auto;border-right:0;justify-content:flex-start;padding-left:12%}.section,.section.compact{padding:24px 0}.business-grid,.project-grid,.news-grid{grid-template-columns:1fr}.image-card{min-height:230px}.brand-grid{grid-template-columns:repeat(2,1fr)}.brand-grid article:nth-child(3){border-right:1px solid #e5dfd5}.brand-grid article:nth-child(even){border-right:0}.brand-grid article:nth-child(-n+4){border-bottom:1px solid #e5dfd5}.research-line{grid-template-columns:1fr;gap:12px}.research-line:before{display:none}.research-line article{display:grid;grid-template-columns:52px 1fr;text-align:left;column-gap:12px;align-items:center}.research-line i{grid-row:1/3;width:48px;height:48px}.research-line h3{margin:0}.research-line p{margin:2px 0 0}.footer-inner{grid-template-columns:1fr}.copyright{text-align:left}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.project-card img{transition:none}}

/* V7 corporate information and Apple-review readiness */
.footer-detailed{grid-template-columns:1.5fr 1.2fr 1fr 1fr}.footer-company small{display:block;color:#888;font-size:10px;margin-top:5px}.footer-detailed>div{display:flex;flex-direction:column;gap:7px}.footer-detailed p{margin:0;line-height:1.65}.footer-detailed .filing{font-size:10px;color:#666}.footer-bottom{border-top:1px solid #2b2b2b;margin-top:24px;padding-top:16px;color:#777;font-size:10px}.subhero{padding:90px 0 72px;background:linear-gradient(135deg,#eee8dc 0%,#faf8f3 48%,#e7dfd1 100%);border-bottom:1px solid #ddd4c7}.subhero .inner{max-width:1120px}.subhero h1{font-family:"Noto Serif CJK SC",serif;font-size:52px;letter-spacing:.08em;margin:10px 0 16px;font-weight:500}.subhero p{max-width:760px;color:#666;line-height:1.8}.eyebrow{font-size:11px;letter-spacing:.24em;color:#9b7b45!important}.content-section{padding:64px 0}.content-section.tone{background:#eee8de}.prose-grid{display:grid;grid-template-columns:1.7fr 1fr;gap:70px}.prose-grid h2,.content-section h2{font-family:"Noto Serif CJK SC",serif;font-weight:500}.prose-grid p,.legal-copy p,.boundary p{line-height:1.95;color:#56514b}.fact-card{background:#fff;border:1px solid #ddd4c7;padding:28px}.fact-card dl,.contact-dl{margin:0}.fact-card dl div,.contact-dl div{padding:13px 0;border-bottom:1px solid #ece6dd}.fact-card dt,.contact-dl dt{font-size:11px;color:#8a8177}.fact-card dd,.contact-dl dd{margin:5px 0 0;line-height:1.55}.three-values{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}.three-values span{font-size:10px;letter-spacing:.2em;color:#9d7b43}.three-values h2{margin:10px 0}.three-values p{color:#5e574f}.service-list{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid #ded6ca;background:#fff}.service-list article{padding:28px;border-right:1px solid #e7e0d6}.service-list article:last-child{border-right:0}.service-list b{color:#ae8c53;font-family:serif;font-size:25px}.service-list h3{font-family:"Noto Serif CJK SC",serif}.service-list p{color:#69635b;line-height:1.7;font-size:13px}.project-detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}.project-detail-grid article{background:#fff;border:1px solid #e1dbd1}.project-detail-grid img{width:100%;height:260px;object-fit:cover}.project-detail-grid article>div{padding:25px}.project-detail-grid span{color:#ae8c53}.project-detail-grid h2{margin:6px 0 10px}.project-detail-grid p{color:#666;line-height:1.75}.research-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.research-cards article{background:#fff;border:1px solid #ded7cc;padding:28px}.research-cards i{display:grid;place-items:center;width:54px;height:54px;border:1px solid #b79761;border-radius:50%;font-style:normal;color:#8d6d38}.research-cards p{color:#656058;line-height:1.7}.boundary{max-width:900px}.news-list{max-width:980px}.news-list article{display:grid;grid-template-columns:140px 1fr;gap:30px;padding:28px 0;border-bottom:1px solid #ddd5c9}.news-list time{color:#a18451;font-family:serif}.news-list h2{margin:0 0 10px}.news-list p{color:#666;line-height:1.7}.support-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.support-grid article{background:#fff;border:1px solid #ded7cc;padding:28px}.support-grid p{color:#666;line-height:1.7}.support-grid a,.contact-layout a,.legal-copy a{color:#7c5b28}.faq{max-width:900px}.faq details{border-bottom:1px solid #d8cfc3;padding:18px 0}.faq summary{cursor:pointer;font-weight:600}.faq details p{color:#665f57;line-height:1.8}.contact-layout{display:grid;grid-template-columns:1.4fr .8fr;gap:60px}.contact-note{background:#171717;color:#fff;padding:32px;align-self:start}.contact-note p{color:#c7c2ba;line-height:1.8}.primary-btn{display:inline-block;padding:11px 19px;background:#a52a2a;color:#fff!important;text-decoration:none;margin-top:10px}.legal-hero{padding:60px 0}.legal-copy{max-width:900px}.legal-copy h2{margin-top:34px}.notfound{padding:140px 0;text-align:center}.notfound h1{font-family:"Noto Serif CJK SC",serif;font-size:48px}.notfound p{color:#666}
@media(max-width:1000px){.prose-grid,.contact-layout{grid-template-columns:1fr}.service-list,.research-cards,.support-grid{grid-template-columns:repeat(2,1fr)}.service-list article:nth-child(2){border-right:0}.service-list article:nth-child(-n+2){border-bottom:1px solid #e7e0d6}.footer-detailed{grid-template-columns:1fr 1fr}.project-detail-grid{grid-template-columns:1fr}.three-values{grid-template-columns:1fr;gap:20px}}
@media(max-width:640px){.subhero{padding:54px 0 44px}.subhero h1{font-size:34px}.content-section{padding:42px 0}.service-list,.research-cards,.support-grid{grid-template-columns:1fr}.service-list article{border-right:0;border-bottom:1px solid #e7e0d6}.news-list article{grid-template-columns:1fr;gap:8px}.footer-detailed{grid-template-columns:1fr}.project-detail-grid img{height:210px}}
