:root{--accent:#ad4809;--ink:#24313d;--text:#60666d;--light:#f4f6f8;--line:#e5e8eb}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:25px}body{margin:0;font:15px/1.85 Arial,'Microsoft YaHei',sans-serif;color:var(--ink);background:white}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}img{display:block;max-width:100%}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(34px,4.1vw,55px);line-height:1.2;letter-spacing:-1px;margin-bottom:28px}h2{font-size:30px;line-height:1.4;margin-bottom:22px}h3{font-size:20px;line-height:1.5;margin-bottom:14px}p{color:var(--text);margin-bottom:22px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #d87a3e;outline-offset:5px}.skip{position:fixed;top:-80px;left:15px;background:white;padding:12px;z-index:50}.skip:focus{top:0}header{padding:0 2.4%;border-bottom:1px solid var(--line)}.header-top{min-height:80px;display:flex;justify-content:space-between;align-items:center;gap:24px;border-bottom:1px solid #f0f0f0}.brand{display:flex;gap:11px;align-items:center;line-height:1.15}.brand img{width:44px;height:44px}.brand>span{font-size:23px;font-weight:800;letter-spacing:.5px}.brand small{display:block;font-size:9px;letter-spacing:1.7px;font-weight:600;margin-top:5px}.languages{display:flex;background:#f0f0f0;border-radius:30px;padding:6px 9px}.languages a{font-size:11px;color:#666;padding:6px 11px;border-radius:20px}.languages a[aria-current]{background:white;color:var(--accent);font-weight:700}.languages a:hover{background:#e7e7e7}#menu{display:none;background:white;border:1px solid var(--line);padding:7px 13px;font-size:13px}header nav{display:flex;justify-content:space-between;align-items:center;gap:18px;min-height:66px;font-size:12px}header nav a{padding:19px 0;line-height:1.6}header nav a:hover,header nav a[aria-current]{color:var(--accent)}.hero{display:grid;grid-template-columns:53.5% 46.5%;background:var(--light);min-height:620px}.hero-copy{padding:78px 7.4% 70px}.eyebrow{font-size:12px;letter-spacing:1.4px;font-weight:700;color:var(--accent);margin-bottom:30px}.hero h1{max-width:540px}.hero h2{font-size:22px;line-height:1.85;margin-bottom:26px}.hero-copy>p:not(.eyebrow){font-size:15px;line-height:1.95;margin-bottom:35px}.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;text-align:center;border:1px solid var(--accent);background:var(--accent);color:white;border-radius:28px;font-size:13px;padding:11px 23px;line-height:1.6}.button:hover{background:#873707;border-color:#873707}.button.secondary{background:white;color:var(--accent)}.hero figure{margin:0;position:relative;min-width:0;overflow:hidden}.hero figure img{width:100%;height:100%;object-fit:cover;object-position:55% center}.hero figcaption{position:absolute;bottom:0;left:0;right:0;background:#17242cc9;color:white;padding:8px 15px;font-size:9px;line-height:1.5}.section{padding:65px 4%;max-width:1440px;margin:auto}.section>p{max-width:920px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:30px}.cards article{border:1px solid var(--line);border-radius:9px;padding:27px 25px;background:white;display:flex;flex-direction:column;align-items:flex-start}.cards article p{font-size:14px;line-height:1.9;flex:1}.cards article .text-link{font-size:12px}.text-link{color:var(--accent);font-weight:600;display:inline-block}.text-link:hover{text-decoration:underline}.support{background:#f8f9fa;max-width:none}.badge{display:inline-block;color:#875527;background:#fff2e6;font-size:10px;padding:4px 9px;border-radius:4px;margin-bottom:15px;line-height:1.6}.three article h3{font-size:21px}.three .button{font-size:12px;padding:10px 17px}.projects{display:grid;grid-template-columns:1.1fr 1fr;gap:65px;align-items:center}.projects>img{width:100%;height:270px;object-fit:cover;border-radius:8px}.standards{background:var(--light);max-width:none}.standards>p{max-width:1100px;margin-bottom:0}.wide-copy{max-width:1000px!important}.contact-box{border-top:1px solid var(--line);background:#fafafa;max-width:none}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px}.contact-phone,.contact-email{display:block;font-size:19px;line-height:1.8;color:var(--accent);overflow-wrap:anywhere}.contact-grid p{font-size:13px;margin:12px 0 23px}.email-list{max-width:460px}.email-list a{display:block;padding:10px 0;border-bottom:1px solid #dedede;overflow-wrap:anywhere;color:var(--accent);font-size:15px}.email-list span{display:block;font-size:11px;color:var(--text)}.email-guide{margin-top:30px;max-width:950px;border-top:1px solid #ddd;padding-top:17px}.email-guide summary{cursor:pointer;font-size:14px;font-weight:600;color:var(--accent)}.email-guide p{font-size:13px;margin-top:15px}.page-intro{background:var(--light);padding:40px 5% 55px}.page-intro>.text-link{font-size:12px;margin-bottom:30px}.page-intro .eyebrow{margin-bottom:17px}.page-intro h1{font-size:42px;max-width:1000px;margin-bottom:24px}.page-intro>p:last-child{max-width:1000px;font-size:17px;line-height:1.95;margin-bottom:0}.four{grid-template-columns:repeat(4,1fr)}.step{color:var(--accent);font-size:13px;font-weight:700;margin-bottom:18px}.project-feature>img{width:100%;height:360px;object-fit:cover;object-position:center 45%;border-radius:8px}.caption{font-size:11px;color:#777;margin-top:8px}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.about-grid>img{height:340px;width:100%;object-fit:cover;border-radius:8px}form{max-width:850px;margin-top:30px}label{display:block;font-size:13px;margin-bottom:21px;font-weight:600}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}input,textarea{display:block;width:100%;border:1px solid #cdd3d8;border-radius:5px;padding:12px;font-size:15px;color:var(--ink);background:white;margin-top:7px}input:focus,textarea:focus{outline:2px solid #c7885e;outline-offset:1px}textarea{resize:vertical}#form-status{font-size:13px;margin-top:18px;color:#4c6d44}footer{background:#202b36;color:#d6dde4;padding:45px 4% 20px}footer p{color:#c2cbd4;font-size:12px;margin:8px 0}.footer-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:70px}footer .footer-brand{color:white;font-size:20px;font-weight:700}.footer-grid>div>a:not(.footer-brand){font-size:13px}footer nav{display:flex;align-content:flex-start;gap:9px 20px;flex-wrap:wrap;font-size:11px}footer nav a:hover{color:white;text-decoration:underline}.copyright{border-top:1px solid #46505b;margin-top:28px;padding-top:17px;font-size:11px}.mobile-quick{display:none}html[lang=zh-CN] h1{letter-spacing:0}html[lang=zh-CN] body{line-height:1.9}
@media(max-width:1000px){header nav{gap:13px;font-size:10px}.hero-copy{padding:55px 7%}.hero h1{font-size:42px}.hero h2{font-size:19px}.hero{min-height:560px}.cards{gap:18px}.cards article{padding:22px}.four{grid-template-columns:repeat(2,1fr)}.contact-grid{gap:35px}.projects{gap:35px}.button{padding:10px 18px;font-size:12px}}
@media(max-width:760px){body{font-size:14px}header{padding:0 5%;position:relative}.header-top{min-height:80px;border:0;gap:10px;flex-wrap:wrap;padding:15px 0}.brand img{width:35px;height:35px}.brand>span{font-size:18px}.brand small{font-size:6px;letter-spacing:1px}.languages{padding:3px}.languages a{padding:5px 8px;font-size:10px}#menu{display:block;width:100%;text-align:right;border:0;padding:5px 0}header nav{display:none;border-top:1px solid var(--line);padding:10px 0 22px;flex-direction:column;align-items:stretch;gap:0;font-size:13px}header nav.open{display:flex}header nav a{padding:10px}.hero{grid-template-columns:1fr;min-height:0}.hero-copy{padding:43px 6% 40px}.eyebrow{font-size:10px;letter-spacing:1px;margin-bottom:23px}.hero h1{font-size:36px;line-height:1.3;margin-bottom:22px}.hero h2{font-size:18px;line-height:1.8}.hero-copy>p:not(.eyebrow){font-size:13px;line-height:1.95;margin-bottom:25px}.hero figure{height:340px}.hero figure img{object-position:center 55%}.hero figcaption{font-size:8px}.button{font-size:12px;padding:11px 19px}.actions{gap:9px}.section{padding:42px 6%}h2{font-size:25px}h3{font-size:20px}.cards{grid-template-columns:1fr;gap:18px;margin-top:24px}.cards article{padding:24px}.cards article p{font-size:13px}.projects{grid-template-columns:1fr;gap:25px}.projects>img{height:250px}.contact-grid{grid-template-columns:1fr;gap:25px}.email-list{max-width:none}.email-list a{font-size:15px}.contact-phone,.contact-email{font-size:18px}.page-intro{padding:30px 6% 40px}.page-intro h1{font-size:32px;line-height:1.4}.page-intro>p:last-child{font-size:14px}.four{grid-template-columns:1fr 1fr;gap:14px}.four article{padding:17px}.four article h3{font-size:18px}.four article p{font-size:12px}.project-feature>img{height:290px}.about-grid{grid-template-columns:1fr;gap:25px}.about-grid>img{height:250px}.form-grid{grid-template-columns:1fr;gap:0}.footer-grid{grid-template-columns:1fr;gap:25px}footer{padding:35px 6% 77px}.footer-grid>div>a:not(.footer-brand){font-size:12px}.mobile-quick{position:fixed;z-index:10;bottom:0;left:0;right:0;display:flex;box-shadow:0 -2px 12px #0002;background:white;border-top:1px solid var(--line)}.mobile-quick a{width:50%;padding:12px 7px;text-align:center;font-size:11px;color:var(--accent);line-height:1.5}.mobile-quick a:first-child{background:var(--accent);color:white}.email-guide p{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
