:root{--navy:#172f42;--ink:#243747;--muted:#71808b;--orange:#cb814b;--soft:#f4f6f6;--line:#e3e9eb;--max:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:22px}body{margin:0;color:var(--ink);background:#fff;font:14px/1.7 "Microsoft YaHei","PingFang SC",Arial,sans-serif}h1,h2,h3,p{margin:0}h2,h3{font-weight:500}a{color:inherit;text-decoration:none}button,input{font:inherit}button,summary{cursor:pointer}img{display:block;max-width:100%}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #dc965c;outline-offset:3px}.wrap{max-width:var(--max);width:calc(100% - 64px);margin:auto}.skip-link{position:fixed;left:16px;top:-100px;background:white;color:var(--navy);padding:10px 16px;z-index:100}.skip-link:focus{top:12px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.notice-bar{background:#edf1f2;color:#7a898e;font-size:11px}.notice-inner{display:flex;align-items:center;justify-content:space-between;gap:15px;min-height:35px}.notice-inner a{color:#8a9a9f}.header{background:#fff}.header-inner{display:flex;justify-content:space-between;align-items:center;min-height:94px;gap:20px}.brand{display:flex;gap:13px;align-items:center}.brand-mark{display:flex;align-items:flex-end;gap:4px;height:43px;padding:5px;background:var(--navy)}.brand-mark i{display:block;width:5px;background:#f4f6f5}.brand-mark i:nth-child(1){height:20px}.brand-mark i:nth-child(2){height:32px;background:#d29462}.brand-mark i:nth-child(3){height:25px}.brand strong{display:block;font-size:24px;line-height:1.25;letter-spacing:3px;color:#243c4a}.brand small{display:block;margin-top:5px;color:#8c999d;font-size:10px;letter-spacing:.035em}.header-meta{display:flex;align-items:center;gap:28px;color:#839096;font-size:12px}.header-meta>a{background:#eff3f3;padding:10px 15px;color:#3b5968}.header-meta b{color:var(--orange);margin-left:12px;font-weight:400}.navigation{background:var(--navy);color:#fff}.nav-links{display:flex;min-height:56px;align-items:stretch;justify-content:space-between;overflow-x:auto;scrollbar-width:thin;scrollbar-color:#6f8792 var(--navy)}.nav-links a{display:flex;align-items:center;justify-content:center;white-space:nowrap;flex:1;padding:0 12px;min-height:56px;font-size:13px;transition:background .2s}.nav-links a:hover,.nav-links a:focus-visible{background:#294b60}
.hero{position:relative;height:480px;background:#1a303d;overflow:hidden;color:#fff}.hero-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(17,40,55,.95) 0%,rgba(17,40,55,.82) 27%,rgba(17,40,55,.3) 65%,rgba(17,40,55,.06) 100%)}.hero-copy{position:relative;padding-top:61px}.eyebrow{font:600 10px/1.5 Arial,sans-serif;letter-spacing:.18em;color:#bb815b}.hero-eyebrow{display:flex;align-items:center;gap:12px;color:#d5b396}.hero-eyebrow span{width:25px;height:2px;background:var(--orange)}h1{font-size:52px;line-height:1.3;letter-spacing:.1em;font-weight:500;margin-top:20px}h1 em{font-style:normal;color:#e3ad80}.hero-description{margin-top:22px;font-size:14px;line-height:1.9;color:#d6e0e3;letter-spacing:.04em}.hero-buttons{display:flex;gap:13px;margin-top:26px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:38px;min-width:145px;padding:11px 17px;font-size:12px}.button-solid{background:#c9824f;color:white}.button-solid:hover{background:#b66c39}.button-outline{border:1px solid #ffffff70;color:#fff}.button-outline:hover{background:#ffffff17}.hero-caption{position:absolute;top:427px;font-size:10px;color:#c1cfd0;letter-spacing:.05em}.concept-label{position:absolute;right:32px;bottom:18px;background:#142d3db3;color:#e4eaeb;font-size:10px;padding:4px 9px}.intro-strip{background:#edf1f0;border-bottom:1px solid #e1e7e5}.intro-inner{display:flex;align-items:center;gap:22px;padding:19px 0}.strip-label{font-size:11px;color:#a16e4a;white-space:nowrap}.intro-inner p{font-size:13px;color:#50616a}.strip-note{margin-left:auto;font-size:10px;color:#98a4a5;white-space:nowrap}
.section-space{padding:69px 0}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:22px}.section-heading h2,.about-copy h2,.contact-inner h2{font-size:30px;line-height:1.4;letter-spacing:.045em;color:var(--navy);margin-top:7px}.section-lead{font-size:13px;color:#8a979b;margin-top:9px}.small-link{display:inline-flex;align-items:center;gap:26px;font-size:12px;color:#586e78;white-space:nowrap}.small-link span{color:#c58153;font-size:17px}.small-link:hover{color:#bb7242}.category-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:30px}.category-card{position:relative;min-height:135px;padding:22px 24px;border:1px solid var(--line);background:#fff;transition:border-color .2s,box-shadow .2s}.category-card:hover{border-color:#ccdadd;box-shadow:0 9px 26px #152c3610}.category-index{font-size:10px;color:#b78b6c;letter-spacing:.1em}.category-rule{display:inline-block;margin-left:12px;vertical-align:middle;width:22px;height:1px;background:#d7dfe0}.category-card h3{font-size:16px;color:#334b59;line-height:1.6;margin-top:12px}.category-caption{display:block;margin-top:7px;font:9px Arial,sans-serif;letter-spacing:.13em;color:#a3afb1}
.products-section{background:var(--soft)}.search-form{display:flex;width:260px;height:44px;border:1px solid #dde5e6;background:#fff}.search-form input{min-width:0;flex:1;border:0;outline:0;padding:9px 14px;color:#425761;background:transparent;font-size:12px}.search-form input::placeholder{color:#a3aeb0}.search-form button{width:44px;border:0;background:#fff;color:#758e96;font-size:23px}.search-form:focus-within{outline:2px solid #c99773;outline-offset:2px}.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:19px;margin-top:31px;align-items:start}.product-card{background:#fff;border:1px solid #e5ebeb;min-width:0;transition:box-shadow .2s,border-color .2s}.product-card:hover{border-color:#cddbdc;box-shadow:0 9px 24px #1c3b4710}.product-art{height:192px;background:#e9eff0;position:relative;display:flex;justify-content:center;align-items:center;overflow:hidden}.product-card:nth-child(3n+2) .product-art{background:#eef0ed}.product-card:nth-child(3n) .product-art{background:#e9eef2}.product-art svg{width:145px;height:145px;position:relative;z-index:1}.art-index{position:absolute;left:16px;top:13px;color:#99aaad;font:10px Arial,sans-serif;letter-spacing:.13em}.art-note{position:absolute;right:13px;bottom:11px;color:#95a5a7;font-size:10px}.product-content{padding:21px 22px 17px}.product-kicker{font:9px Arial,sans-serif;letter-spacing:.14em;color:#a6b2b4}.product-content h3{font-size:16px;color:#28404e;line-height:1.6;margin:10px 0 14px;min-height:52px}.product-detail{border-top:1px solid #edf0ef}.product-detail summary,.archive-item summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}.product-detail summary::-webkit-details-marker,.archive-item summary::-webkit-details-marker{display:none}.product-detail summary{padding:12px 0 1px;color:#7d9096;font-size:11px}.product-detail summary span,.archive-item summary b{font-size:16px;font-weight:400;color:#bf8964}.product-detail[open] summary span,.archive-item[open] summary b{transform:rotate(45deg)}.product-detail p{font-size:12px;line-height:1.9;color:#78878d;padding:9px 0 2px}.historical-note{font-size:11px;line-height:1.9;color:#95a1a2;margin-top:20px}.filter-status{margin-top:25px;background:#fff;padding:12px 15px;color:#607881;font-size:12px;display:flex;justify-content:space-between;gap:15px}.filter-status a,.empty-state a{color:#ad7149}.empty-state{text-align:center;background:#fff;padding:36px 20px;margin-top:25px;color:#7c8d92}.empty-state h3{font-size:17px}.empty-state p{font-size:12px;margin-top:8px}.empty-state a{display:inline-block;font-size:12px;margin-top:13px}
.about-section{background:#fff}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.about-visual{background:#dce5e5;min-height:330px;position:relative;overflow:hidden;display:flex;align-items:flex-end;padding:32px;color:#fff}.about-visual:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#2d5262,#76939a)}.about-lines{position:absolute;right:-7%;top:-30%;height:170%;width:60%;display:flex;gap:16px;transform:rotate(24deg)}.about-lines i{width:22%;height:100%;background:#ffffff10;border-left:1px solid #ffffff2b}.about-visual-text{position:relative}.about-visual-text span,.about-visual-text small{display:block;font:10px Arial,sans-serif;letter-spacing:.19em;color:#d6e1df}.about-visual-text strong{display:block;font-size:28px;letter-spacing:.08em;line-height:1.5;font-weight:500;margin:14px 0}.about-copy h2{margin-top:8px}.accent-line{display:block;width:42px;height:2px;background:var(--orange);margin:20px 0}.about-copy h3{font-size:15px;color:#415762;margin-bottom:16px}.about-copy p:not(.eyebrow){font-size:13px;line-height:2.05;color:#7b8c92;margin-top:10px}.about-copy .small-link{margin-top:23px}.archive-section{background:#f7f9f8}.archive-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:32px;margin-top:24px;align-items:start}.archive-item{border-bottom:1px solid #e2e9e7;scroll-margin-top:24px}.archive-item summary{padding:17px 0;font-size:14px;color:#526970}.archive-item:target summary{color:#b86e3f}.archive-item p{font-size:12px;color:#8b999a;line-height:1.9;padding:0 22px 16px 0}.contact-section{background:#1a3447;color:#dbe4e6}.contact-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:38px 0}.contact-inner .eyebrow{color:#d59d75}.contact-inner h2{color:#fff;font-size:25px;margin-top:5px}.contact-inner p:not(.eyebrow){font-size:12px;color:#b4c6cb;margin-top:8px}.contact-detail{text-align:right}.contact-detail span{font:12px Arial,sans-serif;letter-spacing:.16em;color:#e6ecec}.contact-detail p{font-size:11px!important;color:#8da7b0!important}
.footer{background:#102735;color:#9eb2b6;padding:34px 0 0}.footer-top{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:19px}.footer-top strong{font-size:20px;color:#e3ebeb;letter-spacing:2px}.footer-top div span{font:9px Arial,sans-serif;letter-spacing:.14em;margin-left:14px;color:#88a1a4}.footer-top a{font-size:11px;color:#a8bdc0}.footer p{font-size:10px;line-height:1.9;color:#8fa6ab}.footer-bottom{border-top:1px solid #ffffff16;margin-top:20px;padding:15px 0 18px;display:flex;justify-content:space-between;gap:20px;font-size:10px;color:#819da3}.footer-bottom a{color:#b7c9ca}
@media(max-width:1000px){.wrap{width:calc(100% - 48px)}.nav-links a{padding:0 13px;flex:0 0 auto}.hero{height:450px}.hero-caption{top:396px}.about-grid{gap:35px}.category-card{padding:20px}.product-content{padding:18px}.product-content h3{font-size:15px}.section-space{padding:58px 0}}
@media(max-width:700px){.wrap{width:calc(100% - 36px)}.notice-bar{font-size:10px}.notice-inner{min-height:31px}.header-inner{min-height:82px}.brand-mark{height:39px}.brand strong{font-size:21px}.brand small{font-size:9px}.header-meta>span{display:none}.header-meta>a{font-size:10px;padding:8px 11px}.header-meta b{margin-left:5px}.nav-links{width:100%;padding:0 8px;min-height:48px}.nav-links a{min-height:48px;padding:0 15px;font-size:12px}.hero{height:440px}.hero-copy{padding-top:48px}.hero-shade{background:linear-gradient(90deg,rgba(17,40,55,.94),rgba(17,40,55,.7) 58%,rgba(17,40,55,.27))}.hero-image{object-position:58% center}h1{font-size:45px;margin-top:18px}.hero-description{font-size:13px;margin-top:17px}.hero-buttons{margin-top:22px}.hero-caption{top:389px;font-size:9px}.concept-label{right:18px;bottom:14px;font-size:9px}.intro-inner{gap:12px;padding:15px 0}.intro-inner p{font-size:11px;line-height:1.8}.strip-label,.strip-note{font-size:9px}.section-space{padding:47px 0}.section-heading h2,.about-copy h2{font-size:26px}.section-lead{font-size:12px}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:24px}.category-card{min-height:120px;padding:16px}.category-card h3{font-size:14px;margin-top:10px}.category-caption{font-size:8px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin-top:24px}.product-art{height:170px}.product-art svg{width:130px;height:130px}.product-content{padding:16px 14px}.product-content h3{font-size:14px;min-height:48px;margin:8px 0 12px}.product-kicker{font-size:8px}.product-detail summary{font-size:10px}.product-detail p{font-size:11px}.product-heading{align-items:flex-start;flex-direction:column}.search-form{width:100%;height:42px}.about-grid{grid-template-columns:1fr;gap:28px}.about-visual{min-height:260px}.about-copy p:not(.eyebrow){font-size:12px}.about-copy .small-link{margin-top:17px}.archive-grid{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:25px;margin-top:18px}.archive-item summary{font-size:13px}.archive-item p{font-size:11px}.contact-inner{padding:30px 0}.contact-inner h2{font-size:23px}.contact-inner p:not(.eyebrow){font-size:11px}.contact-detail span{font-size:10px}.contact-detail p{font-size:9px!important}.footer p{font-size:9px}.footer-bottom{font-size:9px}}
@media(max-width:420px){.brand{gap:8px}.brand strong{font-size:19px;letter-spacing:2px}.brand small{font-size:8px;letter-spacing:0}.brand-mark{width:29px;height:37px;padding:4px;gap:3px}.brand-mark i{width:4px}.header-meta>a{font-size:9px;padding:8px}.notice-inner>a{font-size:9px}.hero{height:430px}.hero-copy{padding-top:46px}h1{font-size:42px}.hero-description{font-size:12px}.hero-buttons{gap:10px}.button{min-width:130px;padding:10px 13px;gap:20px;font-size:11px}.hero-caption{top:379px}.intro-inner{align-items:flex-start}.strip-note{display:none}.section-heading h2,.about-copy h2{font-size:24px}.section-lead{font-size:11px}.small-link{font-size:10px;gap:8px}.category-card h3{font-size:13px}.product-art{height:150px}.product-art svg{width:115px;height:115px}.product-content h3{font-size:13px;min-height:47px}.product-detail p{font-size:10px}.about-visual{min-height:230px}.about-visual-text strong{font-size:24px}.archive-grid{grid-template-columns:1fr}.archive-item summary{padding:15px 0}.contact-inner{align-items:flex-start;flex-direction:column;gap:20px}.contact-detail{text-align:left}.footer-top strong{font-size:18px}.footer-top div span{display:block;margin:5px 0 0}.footer-bottom{flex-direction:column;gap:5px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
.product-art img{width:100%;height:100%;object-fit:contain;padding:12px}
.brand .original-logo{max-width:285px;max-height:65px;width:auto;height:auto;object-fit:contain}.archive-item .case-image{max-width:100%;max-height:200px;object-fit:contain;margin:0 0 16px}
@media(max-width:420px){.brand .original-logo{max-width:220px;max-height:50px}}