:root{--outer:#cfcfcf;--white:#fff;--ink:#302721;--brown:#3a2b24;--line:#d9d7d3;--soft:#f5f3ef}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f5f5f4;color:var(--ink);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit}.site-frame{width:min(100% - 24px,1440px);margin:8px auto;padding:140px 84px 70px;border-radius:54px;background:var(--outer)}
.editorial-window{position:relative;display:grid;grid-template-columns:76px 42% 1fr;grid-template-rows:72px minmax(600px,62vw);overflow:hidden;background:var(--white);box-shadow:0 32px 40px rgba(0,0,0,.18)}
.topbar{grid-column:1/-1;display:grid;grid-template-columns:76px 1fr auto auto;align-items:center;border-bottom:1px solid var(--line)}.menu-mark{align-self:stretch;display:grid;place-content:center;gap:4px;background:var(--brown)}.menu-mark span{display:block;width:17px;height:2px;background:white}.brand{font-family:Georgia,"Songti SC",serif;font-size:18px;font-weight:700;text-decoration:none}.topbar>.brand{padding-left:25px}.topbar nav{display:flex;gap:28px;margin-right:36px}.topbar nav a{font-size:10px;letter-spacing:.12em;text-decoration:none}.tools{display:flex;align-items:center;gap:24px;padding:0 26px;font-size:18px}.tools span:nth-child(2){font-size:10px}
.side-rail{grid-row:2;display:flex;flex-direction:column;align-items:center;justify-content:space-between;padding:30px 0;border-right:1px solid var(--line)}.rail-arrow{font-size:34px;line-height:1}.side-rail div{display:flex;gap:44px;transform:rotate(-90deg);white-space:nowrap}.side-rail a{font-size:9px;letter-spacing:.12em;text-decoration:none}
.hero-copy{position:relative;z-index:2;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:70px 20px 70px 70px}.species{display:flex;align-items:center;gap:8px;font-size:9px;font-weight:700;letter-spacing:.06em}.species i{display:block;width:36px;height:2px;background:var(--ink)}.hero-copy h1{margin:20px 0 14px;font-family:Georgia,"Songti SC",serif;font-size:clamp(64px,7vw,108px);font-weight:700;line-height:.87;letter-spacing:-.07em}.hero-copy p{margin:0;color:#8d7668;font-family:Georgia,"Songti SC",serif;font-size:24px;font-style:italic}.hero-button{margin-top:58px;min-width:210px;padding:15px 22px;border:2px solid var(--ink);font-size:11px;font-weight:700;text-align:center;text-decoration:none;transition:.2s}.hero-button:hover{background:var(--ink);color:white}
.hero-image{position:relative;isolation:isolate;overflow:hidden;background:#fff}.hero-image:before{content:"";position:absolute;z-index:0;inset:-18px;background:url("./cat-hero.webp") center bottom/contain no-repeat;filter:blur(18px) saturate(.82);opacity:.56;-webkit-mask-image:linear-gradient(to bottom,transparent 0 46%,rgba(0,0,0,.2) 53%,#000 67%,rgba(0,0,0,.52) 82%,transparent 99%);mask-image:linear-gradient(to bottom,transparent 0 46%,rgba(0,0,0,.2) 53%,#000 67%,rgba(0,0,0,.52) 82%,transparent 99%)}.hero-image img{position:relative;z-index:1;display:block;width:100%;height:100%;object-fit:contain;object-position:center bottom;-webkit-mask-image:linear-gradient(to bottom,#000 0 49%,#000 54%,rgba(0,0,0,.88) 59%,rgba(0,0,0,.28) 68%,transparent 77%);mask-image:linear-gradient(to bottom,#000 0 49%,#000 54%,rgba(0,0,0,.88) 59%,rgba(0,0,0,.28) 68%,transparent 77%)}.hero-image:after{content:"";position:absolute;z-index:2;inset:58% 0 0;pointer-events:none;background:linear-gradient(to bottom,rgba(255,255,255,0),rgba(255,255,255,.28) 22%,rgba(255,255,255,.82) 68%,#fff 100%)}.page-index{position:absolute;z-index:3;right:22px;top:35%;display:flex;flex-direction:column;align-items:center;gap:18px}.page-index strong{font-family:Georgia,serif;font-size:15px}.page-index i{display:block;width:2px;height:72px;background:var(--ink)}.page-index span{font-family:Georgia,serif;font-size:12px}.page-index b{margin-top:5px;font-size:24px;font-weight:400}
.video-section,.contact-section{position:relative;margin-top:76px;padding:76px;background:white}.section-number{position:absolute;right:30px;top:28px;font-family:Georgia,serif;font-size:14px}.section-heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:44px}.section-heading span{font-size:9px;letter-spacing:.15em}.section-heading h2{margin:0;font-family:Georgia,"Songti SC",serif;font-size:clamp(54px,7vw,100px);line-height:.85;letter-spacing:-.07em}.video-box{position:relative;display:grid;place-items:center;width:100%;aspect-ratio:16/7;overflow:hidden;border:1px solid var(--line);background:var(--soft);text-decoration:none}.video-box:before,.video-box:after{content:"";position:absolute;left:50%;top:-35%;width:1px;height:170%;background:var(--line)}.video-box:before{transform:rotate(62deg)}.video-box:after{transform:rotate(-62deg)}.play{position:relative;z-index:1;display:grid;place-items:center;width:90px;height:90px;padding-left:6px;border-radius:50%;background:var(--brown);color:white;font-size:24px}.video-box b{position:absolute;right:22px;bottom:18px;font-size:11px}
.product-section{display:grid;grid-template-columns:.78fr 1.05fr 1.35fr;gap:58px;margin-top:76px;padding:76px;background:#fff}.product-kicker{display:flex;flex-direction:column;justify-content:space-between;border-right:1px solid var(--line);font-size:9px;letter-spacing:.15em}.product-kicker b{font-family:Georgia,serif;font-size:54px;font-weight:400;letter-spacing:-.06em}.product-copy>p:first-child{margin:0 0 26px;font-size:9px;font-weight:700;letter-spacing:.14em}.product-copy h2{margin:0;font-family:Georgia,"Songti SC",serif;font-size:clamp(46px,5vw,76px);line-height:.88;letter-spacing:-.07em}.product-summary{max-width:510px;margin:34px 0 0;color:#6f6864;font-size:14px;line-height:1.9}.product-button{display:inline-flex;align-items:center;gap:34px;margin-top:36px;padding:14px 19px;border:1px solid var(--brown);background:var(--brown);color:#fff;font-size:11px;font-weight:700;text-decoration:none}.product-button span{font-size:18px}.worktrace-mini{min-height:360px;display:grid;grid-template-columns:76px 1fr;border:1px solid var(--line);background:#f5f5f4;box-shadow:14px 18px 0 #e4e2df}.mini-sidebar{padding:22px 13px;display:flex;flex-direction:column;align-items:center;gap:20px;border-right:1px solid var(--line);background:white}.mini-sidebar strong{width:40px;height:40px;display:grid;place-items:center;background:var(--brown);color:#fff;font-family:Georgia,"Songti SC",serif;font-size:19px}.mini-sidebar i{width:28px;height:5px;background:#dedbd7}.mini-main{padding:44px 34px}.mini-main>span{font-size:8px;letter-spacing:.2em}.mini-main>h3{margin:8px 0 30px;font-family:Georgia,"Songti SC",serif;font-size:28px}.mini-drop{height:190px;display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px dashed #a8aaa2;background:#fff}.mini-drop b{font-size:31px}.mini-drop strong{margin-top:12px;font-family:Georgia,"Songti SC",serif}.mini-drop small{margin-top:10px;color:#8b817c;font-size:8px;letter-spacing:.06em}
.contact-section{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}.contact-section .section-heading{display:block}.contact-section .section-heading h2{margin-top:45px}.contact-list{align-self:end;border-top:1px solid var(--line)}.contact-list p{display:grid;grid-template-columns:170px 1fr;align-items:center;gap:20px;margin:0;padding:27px 0;border-bottom:1px solid var(--line)}.contact-list p span{color:var(--ink);font-family:Georgia,"Songti SC",serif;font-size:clamp(20px,2.2vw,28px);font-weight:700}.contact-list strong{font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:clamp(15px,1.8vw,22px);font-weight:400;overflow-wrap:anywhere}
footer{display:flex;align-items:center;margin-top:76px;padding:34px 6px 0;border-top:1px solid rgba(0,0,0,.18)}footer>span{margin-left:auto;font-size:10px}
@media(max-width:980px){.site-frame{padding:80px 36px 50px;border-radius:36px}.editorial-window{grid-template-columns:64px 1fr;grid-template-rows:64px 430px 420px}.topbar{grid-template-columns:64px 1fr auto}.topbar nav{display:none}.tools{padding-inline:18px}.hero-copy{padding:55px}.hero-image{grid-column:2;grid-row:3}.side-rail{grid-row:2/4}.page-index{top:auto;bottom:36px}.product-section{grid-template-columns:1fr 1fr}.product-kicker{grid-column:1/-1;flex-direction:row;border-right:0;border-bottom:1px solid var(--line);padding-bottom:18px}.worktrace-mini{min-height:330px}.contact-section{grid-template-columns:1fr}}
@media(max-width:620px){.site-frame{width:100%;margin:0;padding:24px 12px 36px;border-radius:0}.editorial-window{grid-template-columns:48px 1fr;grid-template-rows:56px 390px 300px}.topbar{grid-template-columns:48px 1fr}.topbar>.brand{padding-left:14px;font-size:14px}.tools{display:none}.menu-mark span{width:14px}.side-rail{padding-block:18px}.side-rail div{gap:24px}.hero-copy{padding:36px 22px}.hero-copy h1{font-size:62px}.hero-copy p{font-size:18px}.hero-button{width:100%;min-width:0;margin-top:38px}.page-index{right:12px;bottom:20px}.page-index i{height:45px}.product-section,.video-section,.contact-section{margin-top:20px;padding:54px 20px}.product-section{display:block}.product-kicker{margin-bottom:44px}.product-kicker b{font-size:28px}.product-copy h2{font-size:54px}.worktrace-mini{min-height:300px;margin-top:50px;grid-template-columns:54px 1fr;box-shadow:8px 10px 0 #e4e2df}.mini-sidebar{padding-inline:8px}.mini-sidebar strong{width:34px;height:34px}.mini-main{padding:34px 18px}.mini-main>h3{font-size:21px}.mini-drop{height:160px}.section-heading{display:block}.section-heading h2{margin-top:30px;font-size:58px}.video-box{aspect-ratio:1/1}.play{width:72px;height:72px}.contact-section{display:block}.contact-list{margin-top:60px}.contact-list p{grid-template-columns:1fr;gap:9px}footer{margin-top:30px;flex-wrap:wrap;gap:12px}footer>span{width:100%;margin-left:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.hero-button{transition:none}}
.editorial-window{grid-template-columns:42% 58%;grid-template-rows:72px minmax(600px,62vw)}
.topbar{grid-template-columns:1fr auto;padding:0 28px}
.topbar>.brand{padding:0}
@media(max-width:980px){.editorial-window{grid-template-columns:1fr;grid-template-rows:64px 430px 420px}.topbar{grid-template-columns:1fr auto;padding:0 22px}.hero-copy{grid-column:1;grid-row:2}.hero-image{grid-column:1;grid-row:3}}
@media(max-width:620px){.editorial-window{grid-template-columns:1fr;grid-template-rows:56px 390px 300px}.topbar{grid-template-columns:1fr auto;padding:0 16px}.topbar>.brand{padding:0}}
.hero-image:after{background:linear-gradient(to right,#fff 0,rgba(255,255,255,.9) 2%,rgba(255,255,255,.46) 7%,transparent 14%),linear-gradient(to bottom,rgba(255,255,255,0),rgba(255,255,255,.28) 22%,rgba(255,255,255,.82) 68%,#fff 100%)}
.video-cover{position:absolute;z-index:0;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .35s ease}.video-box:hover .video-cover{transform:scale(1.025)}.video-box:before{z-index:1;inset:0;display:block;width:auto;height:auto;background:linear-gradient(to top,rgba(48,39,33,.38),transparent 48%);transform:none}.video-box:after{display:none}.video-box .play,.video-box b{z-index:2}.video-box b{color:#fff;text-shadow:0 1px 8px rgba(0,0,0,.45)}
.products-window{display:grid;grid-template-columns:1fr;grid-template-rows:72px minmax(650px,58vw)}.products-window>.topbar{grid-column:1;grid-row:1}.products-grid{grid-row:2;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));min-height:0}.home-product{position:relative;min-width:0;overflow:hidden}.home-product+.home-product{border-left:1px solid var(--line)}.home-product-copy{position:relative;z-index:3;padding:68px 68px 40px}.product-number{font-size:9px;font-weight:700;letter-spacing:.13em}.home-product h1,.home-product h2{margin:28px 0 20px;font-family:Georgia,"Songti SC",serif;font-size:clamp(58px,5.4vw,86px);line-height:.86;letter-spacing:-.075em}.home-product h2{font-weight:700}.home-product-copy>p{margin:0;color:#756d68;font-size:13px}.home-product-copy>a{display:inline-flex;align-items:center;gap:35px;margin-top:32px;padding:13px 17px;border:1px solid var(--brown);background:var(--brown);color:white;font-size:10px;font-weight:700;text-decoration:none}.home-product-copy>a span{font-size:17px}.order-product{background:#fff}.order-product>img{position:absolute;z-index:1;right:-4%;bottom:-12%;width:78%;height:67%;object-fit:contain;object-position:right bottom;-webkit-mask-image:linear-gradient(to bottom,#000 0 58%,rgba(0,0,0,.72) 72%,transparent 98%);mask-image:linear-gradient(to bottom,#000 0 58%,rgba(0,0,0,.72) 72%,transparent 98%)}.order-product:after{content:"";position:absolute;z-index:2;right:0;bottom:0;width:100%;height:34%;background:linear-gradient(to bottom,transparent,#fff 92%);pointer-events:none}.trace-product{background:#f3f2f0}.home-trace-preview{position:absolute;right:-7%;bottom:-5%;width:88%;height:49%;display:grid;grid-template-columns:72px 1fr;border:1px solid #cfccc7;background:#f8f7f5;box-shadow:16px 18px 0 #dedbd7;transform:rotate(-1.2deg)}.home-trace-preview aside{padding:21px 12px;display:flex;flex-direction:column;align-items:center;gap:19px;border-right:1px solid var(--line);background:#fff}.home-trace-preview aside b{width:38px;height:38px;display:grid;place-items:center;background:var(--brown);color:#fff;font-family:Georgia,"Songti SC",serif}.home-trace-preview aside i{width:28px;height:5px;background:#d9d6d1}.home-trace-preview>section{padding:39px 30px}.home-trace-preview>section>small{font-size:7px;letter-spacing:.18em}.home-trace-preview>section>strong{display:block;margin:7px 0 23px;font-family:Georgia,"Songti SC",serif;font-size:23px}.home-trace-preview section>div{height:132px;display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px dashed #a7aaa2;background:#fff}.home-trace-preview section>div>b{font-size:24px}.home-trace-preview section>div>span{margin-top:9px;font-family:Georgia,"Songti SC",serif;font-size:12px;font-weight:700}.home-trace-preview section>div>small{margin-top:7px;color:#8b817c;font-size:7px}
@media(max-width:980px){.products-window{grid-template-rows:64px auto}.products-grid{grid-template-columns:1fr}.home-product{min-height:590px}.home-product+.home-product{border-left:0;border-top:1px solid var(--line)}.home-product-copy{padding:58px 52px}.order-product>img{height:60%;width:66%}.home-trace-preview{width:72%;height:48%}}
@media(max-width:620px){.products-window{grid-template-rows:56px auto}.products-grid{grid-template-columns:1fr}.home-product{min-height:520px}.home-product-copy{padding:46px 25px}.home-product h1,.home-product h2{font-size:58px}.home-product-copy>a{margin-top:25px}.order-product>img{width:88%;height:56%;right:-12%}.home-trace-preview{right:-14%;bottom:-2%;width:98%;height:48%;grid-template-columns:56px 1fr}.home-trace-preview aside{padding-inline:8px}.home-trace-preview>section{padding:28px 19px}.home-trace-preview>section>strong{font-size:19px}.home-trace-preview section>div{height:120px}}

/* 首页产品实拍图 */
.order-product{background:#fff}.trace-product{background:#f3f2f0}.product-shot-stack{position:absolute;z-index:1;left:50%;bottom:4%;width:78%;height:43%;transform:translateX(-50%)}.product-shot-stack img,.product-shot-stack .shot-back{position:absolute;inset:0;display:block;width:100%;height:100%;border:1px solid #d5d2cd;background:#fff;box-shadow:0 20px 34px rgba(48,39,33,.16);object-fit:cover}.product-shot-stack .shot-back{z-index:0;background-position:center;background-size:cover}.product-shot-stack .shot-back-one{transform:translate(-18px,12px) rotate(-2.2deg);opacity:.5}.product-shot-stack .shot-back-two{transform:translate(18px,7px) rotate(1.8deg);opacity:.72}.product-shot-stack img{z-index:2}.order-shot-stack img,.order-shot-stack .shot-back{object-position:center 29%;background-image:url("./product-order.png");background-position:center 29%;background-size:cover}.trace-shot-stack{width:82%}.trace-shot-stack img,.trace-shot-stack .shot-back{object-position:center 28%;background-image:url("./product-worktrace.png");background-position:center 28%;background-size:cover}.home-product:after{content:"";position:absolute;z-index:2;left:0;right:0;bottom:0;height:7%;background:linear-gradient(to bottom,transparent,#fff);pointer-events:none}.trace-product:after{background:linear-gradient(to bottom,transparent,#f3f2f0)}
@media(max-width:980px){.home-product{min-height:650px}.product-shot-stack{width:76%;height:45%;bottom:5%}}
@media(max-width:620px){.home-product{min-height:560px}.product-shot-stack{width:84%;height:38%;bottom:5%}.product-shot-stack .shot-back-one{transform:translate(-9px,7px) rotate(-1.7deg)}.product-shot-stack .shot-back-two{transform:translate(9px,5px) rotate(1.4deg)}}

/* 产品图保持单张、平整展示 */
.product-shot-stack .shot-back{display:none}.product-shot-stack img{box-shadow:0 16px 30px rgba(48,39,33,.12)}

/* 工作留痕标题固定为两行，与订单助手齐平 */
.trace-product h2{font-size:clamp(58px,5.4vw,86px);white-space:normal}
@media(max-width:620px){.trace-product h2{font-size:58px}}