:root{--paper:#f8f7f2;--ink:#203c34;--muted:#69766c;--line:#dce0d5;--accent:#a64d38}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",sans-serif;font-size:15px;line-height:1.8}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}a:focus-visible,summary:focus-visible{outline:3px solid #a64d38;outline-offset:5px}.container{width:min(1200px,calc(100% - 96px));margin:auto}.skip{position:absolute;left:20px;top:-80px;background:white;padding:10px;z-index:10}.skip:focus{top:8px}header{position:sticky;top:0;background:rgba(248,247,242,.97);border-bottom:1px solid var(--line);z-index:5}nav{display:flex;align-items:center;justify-content:space-between;min-height:92px;gap:24px}.brand{display:flex;align-items:center;gap:12px;font-family:SimSun,"Songti SC",serif;font-size:29px;font-weight:bold;white-space:nowrap}.seal{display:grid;place-items:center;width:38px;height:42px;border:1px solid var(--ink);border-radius:4px;font-size:28px}.brand small{font-family:"Microsoft YaHei",sans-serif;font-size:11px;letter-spacing:2px;font-weight:400;color:var(--muted);margin-left:10px}.nav-links{display:flex;align-items:center;gap:32px;font-size:13px}.nav-contact{border:1px solid #bbc5ba;padding:9px 18px}.nav-contact span{margin-left:18px}.hero{display:grid;grid-template-columns:1fr 1fr;align-items:center;min-height:660px;padding-top:65px;padding-bottom:65px;gap:42px}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--muted);margin:0 0 22px}.eyebrow i{display:inline-block;background:var(--accent);width:6px;height:6px;margin-right:9px;border-radius:50%}h1,h2,h3{font-family:SimSun,"Songti SC",serif;font-weight:500}h1{font-size:76px;line-height:1.3;letter-spacing:6px;margin:24px 0}h1 span{color:var(--accent)}.hero-description{color:var(--muted);line-height:2.1;font-size:16px}.actions{display:flex;gap:14px;margin-top:30px}.button{padding:12px 24px;font-size:13px;display:inline-flex;align-items:center;gap:30px;border:1px solid var(--ink)}.primary{background:var(--ink);color:white}.primary:hover{background:#365749;color:white}.secondary{border-color:#c6cec1}.hero-note{font-size:11px;letter-spacing:3px;margin-top:27px;color:#7a8478}.orbit{aspect-ratio:1;position:relative;width:100%;max-width:520px;justify-self:end;background:radial-gradient(circle,#e7ebdf 0,transparent 66%)}.orbit-ring{position:absolute;border:1px solid #c5cfbd;border-radius:50%;inset:8%}.orbit-ring.outer{inset:3%;border:1px dashed #c5cfbd;transform:rotate(15deg)}.orbit-ring.middle{inset:13%;border:16px solid #e7eadd;outline:1px solid #bcc8b4;outline-offset:8px}.orbit-ring.inner{inset:24%;border:1px solid #bdc9b4}.orbit:before,.orbit:after{content:"";position:absolute;background:#cbd4c1;left:50%;top:2%;width:1px;height:96%}.orbit:after{transform:rotate(90deg)}.orbit-center{position:absolute;inset:29%;background:var(--paper);border-radius:50%;display:flex;justify-content:center;align-items:center;flex-direction:column;z-index:1}.orbit-center strong{font-family:SimSun,serif;font-size:105px;font-weight:400;line-height:1.35}.orbit-center span,.orbit-center em{font-size:10px;letter-spacing:3px;font-style:normal;white-space:nowrap;color:var(--muted)}.direction{position:absolute;z-index:2;font-family:SimSun,serif;font-size:13px;background:var(--paper);padding:4px;letter-spacing:3px}.north{top:2%;left:43%}.south{bottom:2%;left:43%}.east{right:2%;top:44%}.west{left:2%;top:44%}.orbit-tag{position:absolute;z-index:2;background:var(--paper);border:1px solid #d3dacb;padding:7px 17px;font-size:11px;letter-spacing:3px}.tag-one{top:23%;right:-1%}.tag-two{bottom:20%;left:-2%}.orbit-dot{position:absolute;top:12%;left:25%;width:8px;height:8px;border-radius:50%;background:var(--accent)}.intro-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.intro-strip .container{display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:82px}.intro-strip span{font-family:SimSun,serif;font-size:20px}.intro-strip p{font-size:12px;color:var(--muted);letter-spacing:2px}.intro-strip b{font-weight:400;margin:0 18px}.section{padding-top:95px;padding-bottom:95px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:45px}h2{font-size:36px;line-height:1.55;margin:0}.section-heading p:last-child{color:var(--muted);font-size:13px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.feature{padding:28px 30px 32px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fbfaf6}.feature-top{display:flex;justify-content:space-between;align-items:center;color:#83907d;font-family:Georgia,serif;font-size:13px}.feature-symbol{font-size:28px;color:var(--ink)}h3{font-size:25px;margin:21px 0 12px}h4{font-size:13px;font-weight:400;margin:0 0 8px}.feature p{font-size:13px;line-height:1.95;color:var(--muted);min-height:77px}.feature small{font-size:10px;letter-spacing:1px;color:#7b806e}.about{padding:85px 0;background:#e9ede3}.about-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:90px}.about h2{font-size:42px}.about-stamp{display:inline-block;margin-top:30px;border:1px solid #a66a55;color:#99533f;padding:8px 12px;line-height:1.5;font-family:SimSun,serif;font-size:15px;letter-spacing:3px;transform:rotate(-5deg)}.about-copy>p{color:#566653;line-height:2.2;margin:6px 0 24px}.principles{border-top:1px solid #c8d0c0;display:flex;justify-content:space-between;padding-top:23px}.principles strong{display:block;font-family:SimSun,serif;font-size:23px;font-weight:400}.principles span{font-size:11px;color:var(--muted)}.assurance{display:grid;grid-template-columns:1fr 1.25fr;gap:90px}details{border-bottom:1px solid var(--line);padding:18px 0}details:first-child{padding-top:0}summary{cursor:pointer;font-size:15px}details p{color:var(--muted);font-size:13px;margin-left:18px}details a{border-bottom:1px solid #8b9783}.contact{background:#203c34;color:#f5f3e9;padding:70px 0}.contact-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:90px}.contact .eyebrow{color:#a4b4a1}.contact p:not(.eyebrow){color:#c1cbbb;font-size:13px}.contact dl{margin:0}.contact dl>div{display:grid;grid-template-columns:160px 1fr;border-bottom:1px solid #455d50;padding:13px 0;gap:15px;font-size:13px}.contact dt{color:#acbca6}.contact dd{margin:0;overflow-wrap:anywhere}footer{padding:37px 0 22px}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:25px}.footer-top .brand{font-size:24px}.footer-links{display:flex;gap:25px;font-size:12px}.legal-line{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:20px;margin-top:30px;font-size:11px;color:var(--muted)}.document{padding-top:50px;padding-bottom:90px}.back{display:block;font-size:13px;margin-bottom:45px}.document h1{font-size:48px;letter-spacing:2px}.draft-note{padding:14px 20px;border-left:3px solid var(--accent);background:#eee9df;font-size:13px;color:#75533d}.document-grid{display:grid;grid-template-columns:230px 1fr;gap:70px;margin-top:45px}.document aside a{display:block;font-size:13px;padding:7px 0}.document article section{margin-bottom:32px;scroll-margin-top:120px}.document article h2{font-size:25px}.document article p{color:#596656;line-height:2.1} @media(min-width:1500px){.hero{min-height:740px}}@media(max-width:1000px){.container{width:calc(100% - 48px)}.brand small{display:none}.nav-links{gap:18px}.hero{min-height:590px;gap:20px}h1{font-size:62px}.orbit-center strong{font-size:75px}.orbit-center span,.orbit-center em{font-size:8px;letter-spacing:1px}.feature{padding:22px}.about-grid,.assurance,.contact-grid{gap:45px}.intro-strip b{margin:0 5px}}@media(max-width:700px){.container{width:calc(100% - 36px)}nav{min-height:100px;flex-wrap:wrap;gap:5px;padding:12px 0}.brand{font-size:24px}.seal{width:30px;height:33px;font-size:23px}.nav-links{width:100%;justify-content:space-between;gap:8px;font-size:12px}.nav-contact{padding:3px 8px}.nav-contact span{margin-left:5px}.hero{grid-template-columns:1fr;padding:45px 0 30px;gap:15px}h1{font-size:60px}.hero-description{font-size:14px}.orbit{max-width:340px;justify-self:center}.orbit-center strong{font-size:75px}.intro-strip .container{display:block;padding:18px 0}.intro-strip p{letter-spacing:0;font-size:11px;margin-bottom:0}.section{padding-top:55px;padding-bottom:55px}.section-heading{display:block;margin-bottom:30px}h2,.about h2{font-size:31px}.feature-grid{grid-template-columns:1fr}.feature p{min-height:0}.feature h3{margin-top:10px}.about{padding:55px 0}.about-grid,.assurance,.contact-grid{grid-template-columns:1fr;gap:30px}.about-stamp{display:none}.contact{padding:50px 0}.contact dl>div{grid-template-columns:125px 1fr;font-size:12px}.footer-top,.legal-line{flex-direction:column;align-items:start}.document-grid{grid-template-columns:1fr;gap:25px}.document aside{border-bottom:1px solid var(--line);padding-bottom:20px}.document h1{font-size:38px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}