/* Direction: honest material, quiet forest green, warm paper.
   Design process informed by unslop, Damir Sokolovsky (@heydamir), CC BY 4.0. */
:root{--green-900:#203e32;--green-800:#285640;--green-700:#32694e;--green-500:#679079;--text:#282e29;--text-light:#62665e;--muted:#85867c;--white:#fff;--bg:#f8f7f2;--bg-alt:#f0eee6;--line:#dedfd5;--max-width:1248px;--transition:180ms ease-out}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:104px}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);line-height:1.75}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}a,button{touch-action:manipulation}button{cursor:pointer}img{display:block;max-width:100%}svg{vertical-align:middle}::selection{background:#d5dfcf}:focus-visible{outline:3px solid #8c6c3e;outline-offset:5px}.container{width:min(100% - 96px,var(--max-width));margin-inline:auto}.skip-link{position:fixed;top:-80px;left:16px;background:var(--green-900);color:white;padding:12px 20px;z-index:2000}.skip-link:focus{top:12px}
.header{position:sticky;top:0;z-index:100;background:var(--bg);border-bottom:1px solid var(--line)}.header-inner{height:88px;display:flex;align-items:center;gap:32px}.logo{display:flex;align-items:center;gap:12px;color:var(--green-900);flex-shrink:0}.logo-text{font-size:24px;font-weight:600;line-height:1.2;letter-spacing:2px}.logo-text small{display:block;font-size:10px;font-weight:400;letter-spacing:1px;margin-top:8px;color:var(--text-light)}.nav{display:flex;align-items:center;gap:32px;margin-left:auto}.nav-link{font-size:14px;color:var(--text-light);padding-block:12px;position:relative}.nav-link:after{content:"";height:2px;position:absolute;bottom:4px;left:0;right:0;background:var(--green-800);transform:scaleX(0);transition:transform var(--transition)}.nav-link.active,.nav-link:hover{color:var(--green-800)}.nav-link.active:after{transform:scaleX(1)}.header-cta{background:var(--green-900);color:white;padding:10px 20px;font-size:13px;display:flex;gap:24px;align-items:center}.header-cta:hover{background:var(--green-700)}.hamburger{display:none;width:44px;height:44px;border:1px solid var(--line);background:transparent;align-items:center;justify-content:center;flex-direction:column;gap:6px}.hamburger span{height:2px;width:20px;background:var(--green-900);transition:transform var(--transition),opacity var(--transition)}.hamburger.active span:first-child{transform:translateY(8px) rotate(45deg)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:last-child{transform:translateY(-8px) rotate(-45deg)}
.hero{position:relative;isolation:isolate;padding-top:56px;overflow:hidden}/* Veneer lines frame the hero and footer; navigation stays on plain warm paper. */
.hero::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:url("../images/footer-grain.svg") center/cover no-repeat;filter:brightness(.25);opacity:.6}
.hero-layout{display:grid;grid-template-columns:.92fr 1.08fr;align-items:center;gap:48px}.eyebrow{display:flex;align-items:center;gap:12px;color:var(--green-800);font-size:13px;margin-bottom:28px}.eyebrow>span{width:24px;height:1px;background:var(--green-800)}.hero-title{font-family:"Noto Serif CJK SC","Songti SC",SimSun,serif;font-size:clamp(48px,5vw,72px);font-weight:500;line-height:1.35;letter-spacing:2px}.hero-title>span{color:var(--green-800)}.hero-desc{margin-top:24px;font-size:15px;line-height:2;color:var(--text-light)}.hero-buttons{display:flex;gap:16px;margin-top:32px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:24px;min-height:52px;padding:12px 24px;border:1px solid transparent;font-size:14px;font-weight:500;transition:background var(--transition),color var(--transition),border-color var(--transition);border-radius:2px}.btn-primary{background:var(--green-900);color:white}.btn-primary:hover{background:var(--green-700)}.btn-outline{border-color:#bfc7bb;color:var(--green-900);background:transparent}.btn-outline:hover{background:#e9ede3}.hero-footnote{display:flex;gap:20px;margin-top:40px;color:var(--muted);font-size:11px}.hero-footnote span+span{border-left:1px solid #c7cbbf;padding-left:20px}.hero-visual{position:relative;margin:0;min-width:0}.hero-image img{width:100%;height:496px;object-fit:cover;border-radius:2px}.hero-image{overflow:hidden;border-radius:2px}
@media(prefers-reduced-motion:no-preference){.hero-image img{transform-origin:55% 55%;animation:hero-camera-drift 10s ease-in-out -2.5s infinite alternate;animation-play-state:paused}.hero-image.is-animating img{animation-play-state:running}}
@keyframes hero-camera-drift{from{transform:scale(1.06) translate3d(-1.4%,.6%,0)}to{transform:scale(1.16) translate3d(1.4%,-.6%,0)}}
.hero-visual figcaption{font-size:11px;display:flex;justify-content:space-between;gap:16px;color:var(--muted);padding-top:12px}.material-note{position:absolute;left:-24px;bottom:56px;background:var(--bg);padding:20px 28px;display:flex;gap:16px;align-items:center;border:1px solid var(--line)}.material-note>div{font-family:"Songti SC",SimSun,serif;font-size:20px}.material-note small{display:block;font:10px/1.8 -apple-system,BlinkMacSystemFont,sans-serif;color:var(--text-light);margin-top:4px}.material-lines{width:40px;height:40px;display:block;border-block:2px solid #9d825b;background:repeating-linear-gradient(0deg,transparent 0,transparent 5px,#b19670 5px,#b19670 6px)}
.section{padding-block:96px}.section-alt{background:var(--bg-alt)}.section-header{margin-bottom:40px}.section-kicker{font-size:12px;color:var(--green-800);margin-bottom:12px}.section-title{font-family:"Noto Serif CJK SC","Songti SC",SimSun,serif;font-size:clamp(28px,3vw,36px);font-weight:500;line-height:1.5}.section-subtitle{font-size:14px;color:var(--text-light);margin-top:12px}/* About: warehouse panorama with a paper introduction placed over the image. */
.about-scene{position:relative;isolation:isolate;display:grid;justify-items:end;align-items:center;min-height:560px;padding:40px;overflow:hidden;border-radius:2px;background:#e2dfd5}
.about-img{position:absolute;inset:0;z-index:-1;width:100%;height:100%;object-fit:cover;object-position:38% 55%}
.image-caption{position:absolute;bottom:20px;left:24px;background:var(--bg);padding:4px 12px;font-size:10px;color:var(--text-light)}
.about-text{width:min(100%,520px);padding:36px;background:var(--bg);border-top:3px solid var(--green-800)}
.about-text .about-intro{font-size:12px;line-height:1.5;color:var(--green-800);margin:0 0 12px}
.about-text h3{font-family:"Noto Serif CJK SC","Songti SC",SimSun,serif;font-size:32px;font-weight:500;line-height:1.4;margin-bottom:20px}
.about-text p{font-size:14px;line-height:1.95;color:var(--text-light);margin-bottom:16px}
.about-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;border-top:1px solid var(--line);margin-top:28px;padding-top:20px}
.stat-number{display:block;font-size:20px;font-weight:500;color:var(--green-900)}
.stat-label{display:block;font-size:11px;color:var(--text-light);margin-top:4px}
@media(max-width:1100px){.about-scene{padding:32px;min-height:560px}.about-text{width:480px;padding:32px}}
@media(max-width:900px){.about-scene{padding:0;min-height:0;overflow:visible;background:transparent;justify-items:center;align-items:start}.about-img{position:relative;inset:auto;z-index:auto;grid-area:1/1;width:100%;height:auto;aspect-ratio:16/9;object-position:center 58%;border-radius:2px}.about-text{position:relative;grid-area:2/1;width:calc(100% - 64px);margin-top:-48px;padding:32px}.image-caption{top:16px;bottom:auto;left:16px;z-index:1}.about-stats{gap:16px}.about-text h3{font-size:28px}}
@media(max-width:600px){.about-text{width:calc(100% - 24px);margin-top:-24px;padding:24px 20px}.about-img{aspect-ratio:16/10}.about-text h3{font-size:28px;margin-bottom:16px}.about-text p{font-size:13px;line-height:1.9}.about-stats{gap:8px;margin-top:24px;padding-top:16px}.stat-number{font-size:18px}.stat-label{font-size:10px}.image-caption{top:12px;left:12px;font-size:9px;padding:4px 8px}}

.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px 24px}.product-card{background:var(--bg);border:1px solid #deddd2;display:flex;flex-direction:column;min-width:0;border-radius:2px;overflow:hidden;transition:border-color var(--transition)}.product-card:hover{border-color:#94a28e}.product-img{aspect-ratio:3/2;background:#e8e1d3;overflow:hidden}.product-img img{width:100%;height:100%;object-fit:cover}.product-body{padding:24px;display:flex;flex-direction:column;flex:1;position:relative}.product-body h3{font-size:20px;font-weight:500;margin-bottom:12px}.product-body p{color:var(--text-light);font-size:13px;line-height:1.85;margin-bottom:20px;flex:1}.product-tag{align-self:flex-start;font-size:11px;color:var(--green-800);background:#e8ecdf;padding:3px 10px;border-radius:2px}.product-enquiry{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:16px;margin-top:20px;color:var(--green-800);font-size:12px}.product-enquiry:hover{color:#182b22}.catalog-note{font-size:11px;color:var(--text-light);margin-top:28px}.advantage-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px}.advantage-card{border-top:1px solid #b5bfae;padding-top:24px}.advantage-icon{margin-bottom:20px}.advantage-icon svg{width:40px;height:40px}.advantage-card h3{font-size:18px;font-weight:500;margin-bottom:12px}.advantage-card p{color:var(--text-light);font-size:13px;line-height:1.85}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:80px;align-items:start}.contact-info{display:flex;flex-direction:column;gap:8px}.contact-item{display:flex;gap:20px;padding:20px 0;border-bottom:1px solid #d7d9cc;min-width:0}.contact-item>svg{flex-shrink:0;width:20px;height:20px;margin-top:4px}.contact-item h4{font-size:12px;font-weight:400;color:var(--text-light);margin-bottom:8px}.contact-item p{font-size:14px;overflow-wrap:anywhere}.contact-form-wrapper{background:var(--bg);border:1px solid #dcded2;padding:32px}.contact-form-wrapper h3{font-size:22px;font-weight:500}.form-intro{font-size:12px;color:var(--text-light);margin-top:8px;margin-bottom:24px}.contact-form{display:flex;flex-direction:column;gap:20px}.contact-form label{display:block;min-width:0;font-size:12px;color:var(--text)}.contact-form label>span{color:var(--green-800)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-input{width:100%;display:block;margin-top:8px;padding:12px 16px;min-height:48px;background:white;border:1px solid #ced2c5;border-radius:2px;color:var(--text);font-size:13px;transition:border-color var(--transition)}.form-input:focus{border-color:var(--green-800)}.form-input::placeholder{color:#85887e}textarea.form-input{resize:vertical;min-height:120px}.btn-full{width:100%}.form-note,.form-status{font-size:11px;color:var(--text-light)}.form-status:empty{display:none}
.footer{background:var(--green-900) url("../images/footer-grain.svg") center/cover no-repeat;color:#e1e5dc;padding-top:56px}.footer-inner{display:grid;grid-template-columns:1fr 2fr;gap:64px;padding-bottom:48px}.footer-logo{font-size:28px;font-family:"Songti SC",SimSun,serif;display:block;margin-bottom:12px}.footer-brand p{font-size:12px;color:#bbc7b9}.footer-links{display:grid;grid-template-columns:.8fr .8fr 1.5fr;gap:28px}.footer-col h4{font-size:13px;font-weight:500;margin-bottom:20px}.footer-col>a,.footer-col>p{display:block;font-size:11px;color:#bbc7b9;margin-bottom:8px;overflow-wrap:anywhere}.footer-col a:hover{color:white}.footer-bottom{border-top:1px solid #456052;padding:20px 0;font-size:10px;color:#bbc7b9}.protected-link:hover{text-decoration:underline;text-underline-offset:4px}.back-to-top{position:fixed;bottom:24px;right:24px;width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:var(--green-900);color:white;border:1px solid #64806c;border-radius:2px;opacity:0;visibility:hidden;transition:opacity var(--transition);z-index:90}.back-to-top.visible{opacity:1;visibility:visible}.back-to-top:hover{background:var(--green-700)}
@media(min-width:1500px){.hero{padding-top:72px}.hero-image img{height:540px}}
@media(max-width:1100px){.container{width:calc(100% - 64px)}.header-inner{gap:24px}.nav{gap:20px}.header-cta{display:none}.hero-layout{gap:32px;grid-template-columns:1fr 1fr}.hero-image img{height:460px}.hero-title{font-size:52px}.hero-buttons{gap:12px}.btn{padding:12px 16px;gap:16px}.contact-grid{gap:40px}.footer-inner{gap:40px}.footer-links{gap:20px}}
@media(max-width:760px){html{scroll-padding-top:88px}.container{width:calc(100% - 40px)}.header-inner{height:76px;gap:16px}.logo-icon{width:32px;height:32px}.logo-text{font-size:21px}.logo-text small{font-size:9px;margin-top:6px}.hamburger{display:flex;margin-left:auto}.nav{position:absolute;top:76px;left:0;right:0;display:none;background:var(--bg);padding:16px 20px 24px;border-bottom:1px solid var(--line);margin:0;flex-direction:column;align-items:stretch;gap:4px;box-shadow:0 16px 24px #203e320d}.nav.open{display:flex}.nav-link{padding:12px 16px}.nav-link:after{display:none}.nav-link.active{background:#e8ecdf}.hero{padding-top:36px}.hero-layout{grid-template-columns:1fr;gap:36px}.eyebrow{margin-bottom:20px}.hero-title{font-size:52px;line-height:1.3}.hero-desc{font-size:13px;margin-top:20px}.hero-buttons{margin-top:24px}.hero-footnote{margin-top:28px;gap:16px}.hero-footnote span+span{padding-left:16px}.hero-image img{height:auto;aspect-ratio:4/3}.material-note{left:12px;bottom:52px;padding:16px 20px}.material-note>div{font-size:18px}.hero-visual figcaption{font-size:10px}.section{padding-block:64px}.section-header{margin-bottom:32px}.section-title{font-size:28px}.section-subtitle{font-size:13px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 16px}.product-body{padding:16px}.product-body h3{font-size:18px}.product-body p{font-size:12px}.advantage-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 24px}.contact-grid{grid-template-columns:1fr;gap:32px}.contact-form-wrapper{padding:24px}.footer-inner{grid-template-columns:1fr;gap:32px}.footer-links{grid-template-columns:.7fr .7fr 1.5fr;gap:16px}.back-to-top{bottom:16px;right:16px}}
@media(max-width:420px){.hero-title{font-size:48px}.hero-buttons{gap:12px}.hero-buttons .btn{font-size:12px;padding:12px;gap:12px}.hero-visual figcaption{gap:8px;font-size:9px}.product-grid{grid-template-columns:1fr;gap:24px}.product-body{padding:24px}.product-body p{font-size:13px}.form-row{grid-template-columns:1fr;gap:20px}.footer-links{grid-template-columns:1fr 1fr}.footer-col:last-child{grid-column:1/-1}.hero-footnote{font-size:10px;gap:12px}.hero-footnote span+span{padding-left:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* 电话由用户操作后在画布显示，保持号码不进入可抓取文本。 */
.phone-reveal{display:inline;max-width:100%;margin:0;padding:0;border:0;border-radius:0;background:none;color:inherit;font:inherit;line-height:inherit;text-align:inherit;vertical-align:baseline;cursor:pointer}
.phone-reveal:hover{text-decoration:underline;text-underline-offset:4px}.phone-reveal canvas{display:inline-block;max-width:100%;vertical-align:middle}

.form-trap{position:absolute!important;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap;pointer-events:none}