:root{--paper:#f6f2eb;--white:#fffdf9;--ink:#302720;--muted:#766d66;--line:#e7ded3;--accent:#a35137;--accent-dark:#813d2b;--soft:#eadbc9}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.7}a{color:inherit;text-decoration:none}a:focus-visible{outline:3px solid var(--accent);outline-offset:4px}img{display:block;max-width:100%}.container{width:min(1180px,calc(100% - 48px));margin:auto}
.site-header{height:82px;background:rgba(255,253,249,.93);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;backdrop-filter:blur(16px)}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:700;letter-spacing:.1em;white-space:nowrap}.brand img{width:38px;height:38px;border-radius:10px}.nav{display:flex;align-items:center;gap:32px;font-size:14px;color:#5f554d}.nav a:hover,.nav a[aria-current="page"]{color:var(--accent)}.menu-label{display:none}
.hero{display:grid;grid-template-columns:.93fr 1.07fr;gap:7%;align-items:center;padding:84px 0 94px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:.27em;color:var(--accent);text-transform:uppercase;margin:0 0 24px}.hero h1{font-family:"Songti SC","Noto Serif CJK SC",serif;font-size:clamp(42px,5.4vw,76px);font-weight:600;letter-spacing:.04em;line-height:1.17;margin:0 0 26px}.hero-copy{font-size:18px;max-width:520px;color:#675d55;line-height:1.9;margin:0 0 34px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 23px;border-radius:4px;background:var(--accent);color:#fff;font-size:14px;font-weight:600}.button:hover{background:var(--accent-dark)}.text-link{display:inline-flex;align-items:center;gap:7px;color:var(--accent);font-weight:600;font-size:14px}.text-link:hover{text-decoration:underline}.hero-links{display:flex;gap:25px;align-items:center;flex-wrap:wrap}.hero-media{position:relative;min-height:580px;border-radius:8px;overflow:hidden;background:#d5c0a8}.atlas{background-image:url('/assets/catalog-square-sheet.png');background-size:400% 400%;background-repeat:no-repeat}.hero-media .atlas{position:absolute;inset:0;background-position:0 0}.hero-media:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(30,21,14,.18),transparent 55%)}.hero-seal{position:absolute;right:25px;bottom:25px;z-index:1;background:var(--white);padding:15px 18px;color:var(--accent);font-size:12px;letter-spacing:.16em}.hero-caption{position:absolute;left:26px;bottom:25px;z-index:1;color:white;font-size:14px;letter-spacing:.15em}
.section{padding:76px 0;border-top:1px solid var(--line)}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:29px}.section h2{font-family:"Songti SC","Noto Serif CJK SC",serif;font-size:clamp(30px,3vw,42px);font-weight:600;line-height:1.3;letter-spacing:.04em;margin:0}.section-intro{color:var(--muted);font-size:15px;max-width:520px;margin:0}.products{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.product{background:var(--white);border:1px solid var(--line);padding:10px}.product-photo{width:100%;aspect-ratio:1;border-radius:2px;background-color:#ddc7ae}.product-info{padding:14px 5px 7px}.product-name{font-size:16px;font-weight:600}.product-detail{font-size:13px;color:var(--muted);margin-top:3px}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.feature{background:var(--white);border:1px solid var(--line);padding:32px 28px;min-height:228px}.feature-number{display:block;color:var(--accent);font-size:12px;letter-spacing:.12em;margin-bottom:27px}.feature h3{font-size:20px;margin:0 0 12px}.feature p{color:var(--muted);font-size:14px;line-height:1.85;margin:0}.closing{background:#403026;color:#fff9f0;padding:74px 0}.closing-inner{display:flex;justify-content:space-between;align-items:center;gap:32px}.closing h2{font-family:"Songti SC","Noto Serif CJK SC",serif;font-size:36px;font-weight:500;margin:0 0 7px}.closing p{margin:0;color:#dccfc3}.closing .button{background:#f5ece1;color:#4a2e22}.closing .button:hover{background:white}
.site-footer{background:#fffdf9;border-top:1px solid var(--line);padding:31px 0;font-size:13px;color:var(--muted)}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:22px}.footer-links{display:flex;gap:22px;flex-wrap:wrap}.footer-links a:hover{text-decoration:underline}
.legal-hero{padding:78px 0 51px;border-bottom:1px solid var(--line)}.legal-hero h1{font-family:"Songti SC","Noto Serif CJK SC",serif;font-size:clamp(38px,4vw,54px);font-weight:600;margin:0 0 9px}.legal-hero p{margin:0;color:var(--muted);font-size:14px}.legal-layout{display:grid;grid-template-columns:190px minmax(0,720px);justify-content:space-between;gap:60px;padding-top:56px;padding-bottom:100px}.legal-index{align-self:start;position:sticky;top:117px;border-left:2px solid var(--line);padding-left:18px;font-size:13px;color:var(--muted)}.legal-index a{display:block;padding:6px 0}.legal-index a:hover{color:var(--accent)}.legal-content{font-size:15px}.legal-content .lead{font-size:16px;color:#554a42;margin:0 0 36px}.legal-content section{padding:0 0 31px;margin:0 0 32px;border-bottom:1px solid var(--line);scroll-margin-top:110px}.legal-content section:last-child{border-bottom:0;margin-bottom:0}.legal-content h2{font-size:20px;line-height:1.45;margin:0 0 15px}.legal-content p{margin:0 0 13px;color:#625850;line-height:1.95}.legal-content p:last-child{margin-bottom:0}.legal-content a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
@media(max-width:800px){.site-header{height:68px}.container{width:min(100% - 36px,1180px)}.brand{font-size:16px}.brand img{width:33px;height:33px}.nav{gap:14px;font-size:12px}.hero{grid-template-columns:1fr;padding:47px 0 60px;gap:36px}.hero-copy{font-size:16px}.hero-media{min-height:0;aspect-ratio:1.15}.products{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.feature-grid{grid-template-columns:1fr}.feature{min-height:0;padding:25px}.feature-number{margin-bottom:12px}.section{padding:58px 0}.section-heading{display:block}.section-intro{margin-top:10px}.closing-inner{display:block}.closing .button{margin-top:22px}.legal-hero{padding:52px 0 35px}.legal-layout{grid-template-columns:1fr;padding-top:34px;padding-bottom:55px;gap:25px}.legal-index{position:static;display:flex;flex-wrap:wrap;gap:4px 14px;padding-left:0;border-left:0;border-bottom:1px solid var(--line);padding-bottom:15px}.footer-inner{display:block}.footer-links{margin-top:12px}}
@media(max-width:480px){.nav{gap:10px}.nav a{white-space:nowrap}.brand{letter-spacing:0}.brand img{width:30px;height:30px}.hero h1{font-size:36px}.hero-media{aspect-ratio:1}.hero-seal{right:13px;bottom:13px;padding:9px 10px}.hero-caption{left:13px;bottom:13px}.product-name{font-size:14px}.product-detail{font-size:12px}}