:root{--green:#53ad34;--green-dark:#0b5c34;--green-deep:#073c2a;--lime:#8bcf45;--ink:#10231c;--muted:#607069;--line:#dfe8e2;--soft:#f3f8f4;--white:#fff;--shadow:0 20px 50px rgba(12,52,35,.1)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.65;background:#fff}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.container{width:min(1180px,calc(100% - 48px));margin:auto}.utility{background:var(--green-deep);color:#cce6d6;font-size:12px}.utility-inner{height:34px;display:flex;align-items:center;justify-content:space-between}.utility a{color:#fff;letter-spacing:.04em}.site-header{position:relative;z-index:20;background:#fff;border-bottom:1px solid rgba(10,64,43,.08)}.nav-wrap{height:84px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:48px;height:36px;display:grid;place-items:center;background:linear-gradient(135deg,var(--green-dark),var(--green));color:#fff;font-weight:900;font-style:italic;letter-spacing:-2px;clip-path:polygon(0 0,100% 0,88% 100%,0 100%)}.brand strong{display:block;font-size:18px;letter-spacing:.04em}.brand small{display:block;font-size:9px;letter-spacing:.18em;color:#7a8982}.main-nav{display:flex;align-items:center;gap:38px;height:100%}.main-nav a{height:100%;display:flex;align-items:center;font-size:15px;font-weight:600;position:relative}.main-nav a:after{content:"";position:absolute;left:50%;right:50%;bottom:0;height:3px;background:var(--green);transition:.25s}.main-nav a:hover:after,.main-nav a.active:after{left:0;right:0}.nav-toggle{display:none;border:0;background:none;width:40px;padding:8px}.nav-toggle span{display:block;height:2px;background:var(--ink);margin:6px 0}.hero{position:relative;overflow:hidden;color:#fff;background:radial-gradient(circle at 72% 42%,#15754f 0,#0b5c3b 25%,#063523 68%,#052c1e 100%);min-height:680px}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,37,25,.92) 0,rgba(4,37,25,.58) 52%,rgba(4,37,25,.1) 100%)}.hero-grid{position:absolute;inset:0;opacity:.12;background-image:linear-gradient(rgba(255,255,255,.16) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.16) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(90deg,transparent 5%,#000 70%)}.hero-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;align-items:center;min-height:680px;gap:70px}.hero-copy{padding:80px 0}.eyebrow,.kicker{display:block;color:var(--lime);font-weight:700;font-size:12px;letter-spacing:.2em;margin-bottom:18px}.hero h1{font-size:56px;line-height:1.2;margin:0 0 26px;letter-spacing:-.02em}.hero h1 em{font-style:normal;color:#9fe660}.hero-copy>p{max-width:680px;color:#d6e7de;font-size:17px;line-height:1.9;margin:0 0 36px}.hero-actions{display:flex;gap:14px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 26px;border:1px solid transparent;font-weight:700;cursor:pointer;transition:.2s}.btn-primary{background:var(--green);color:#fff}.btn-primary:hover{background:#459d29;transform:translateY(-2px)}.btn-ghost{border-color:rgba(255,255,255,.42);color:#fff}.btn-ghost:hover{background:#fff;color:var(--green-deep)}.btn-white{background:#fff;color:var(--green-deep)}.hero-badges{display:flex;gap:24px;margin-top:44px;color:#c9e0d5;font-size:13px}.hero-badges span:before{content:"✓";color:#8de051;margin-right:7px}.hero-visual{position:relative;height:520px}.scan-card{position:absolute;width:300px;top:76px;right:35px;padding:24px;background:rgba(5,31,21,.65);border:1px solid rgba(160,235,104,.4);box-shadow:0 30px 80px rgba(0,0,0,.32);backdrop-filter:blur(8px)}.scan-top{display:flex;justify-content:space-between;align-items:center;color:#8de051;font-size:9px;letter-spacing:.13em}.scan-top span{width:8px;height:8px;border-radius:50%;background:#8de051;box-shadow:0 0 12px #8de051}.face-frame{height:280px;margin:22px 0;display:grid;place-items:center;border:1px solid rgba(255,255,255,.16);position:relative;background:linear-gradient(rgba(137,223,82,.04),rgba(137,223,82,.12))}.face-frame:before,.face-frame:after{content:"";position:absolute;width:28px;height:28px;border-color:#8de051}.face-frame:before{left:14px;top:14px;border-left:2px solid;border-top:2px solid}.face-frame:after{right:14px;bottom:14px;border-right:2px solid;border-bottom:2px solid}.face-icon{width:120px;height:150px;border:2px solid rgba(166,238,113,.6);border-radius:48% 48% 35% 35%;display:grid;place-items:center;font-size:70px;color:#a4e975}.scan-line{position:absolute;left:18px;right:18px;height:1px;background:#a4e975;box-shadow:0 0 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rgba(5,44,28,.04)}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}.trust-grid>div{padding:28px 20px;border-right:1px solid var(--line);display:flex;align-items:baseline;justify-content:center;gap:12px}.trust-grid>div:first-child{border-left:1px solid var(--line)}.trust-grid strong{font-size:30px;color:var(--green-dark)}.trust-grid span{font-size:13px;color:var(--muted)}.section{padding:100px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:60px;margin-bottom:46px}.section-head>div{max-width:670px}.section-head h2,.about-grid h2,.contact-grid h2{font-size:38px;line-height:1.3;margin:0}.section-head>p{max-width:420px;margin:0;color:var(--muted)}.kicker{color:var(--green);margin-bottom:12px}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.product-card{border:1px solid 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a:hover{background:var(--green-dark);color:#fff}.listing{margin-top:10px}.detail-hero{padding:90px 0;background:linear-gradient(130deg,#f7faf7,#e9f3eb)}.detail-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:100px}.back-link{display:inline-block;color:var(--muted);font-size:13px;margin-bottom:50px}.detail-hero h1{font-size:48px;line-height:1.25;margin:0 0 20px}.detail-hero p{color:var(--muted);font-size:17px}.detail-meta{border-left:3px solid var(--green);padding-left:16px;margin:28px 0}.detail-meta span,.detail-meta strong{display:block}.detail-meta span{font-size:11px;color:#819087}.detail-art{height:430px;position:relative;background:linear-gradient(145deg,#0b5e3b,#062b1e);overflow:hidden;box-shadow:var(--shadow)}.detail-art:before{content:"";position:absolute;inset:25px;border:1px solid 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p{color:#d6e7de}.panel-line{height:1px;background:rgba(255,255,255,.15);margin:35px 0}.project-panel>span{font-size:11px;color:#8fa99d}.about-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:90px;align-items:center}.about-grid>div:first-child p{color:var(--muted);font-size:16px;line-height:2}.about-card{padding:55px;background:var(--green-deep);color:#fff;min-height:390px;position:relative;overflow:hidden}.about-card:after{content:"ZK";position:absolute;right:-15px;bottom:-65px;font-weight:900;font-size:180px;color:rgba(255,255,255,.05)}.about-card>strong{color:#91dd67;font-size:12px;letter-spacing:.16em}.about-card h3{font-size:31px;line-height:1.4;margin:40px 0 20px}.about-card p{color:#b8cfc3}.soft{background:var(--soft)}.culture-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.culture-grid article{background:#fff;padding:32px;min-height:240px;border-top:3px solid var(--green)}.culture-grid span{font-size:12px;color:var(--green)}.culture-grid h3{font-size:20px;margin:28px 0 12px}.culture-grid p{font-size:14px;color:var(--muted)}.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:50px;position:relative}.timeline:before{content:"";position:absolute;left:0;right:0;top:18px;height:1px;background:var(--line)}.timeline>div{position:relative}.timeline>div:before{content:"";display:block;width:12px;height:12px;background:var(--green);border:7px solid #e8f5e9;border-radius:50%;margin:6px 0 34px}.timeline span{color:var(--green);font-size:12px;font-weight:700}.timeline h3{margin:8px 0}.timeline p{color:var(--muted);font-size:14px}.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px}.contact-info>h2{font-size:30px;margin-bottom:40px}.contact-row{border-top:1px solid var(--line);padding:20px 0}.contact-row small{display:block;color:#89968f;font-size:11px}.contact-row a{font-size:25px;font-weight:700;color:var(--green-dark)}.contact-row p{margin:5px 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label{display:block;font-size:13px;font-weight:700;margin-bottom:18px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}.contact-form input,.contact-form textarea{display:block;width:100%;margin-top:7px;border:1px solid #d7e2db;background:#fff;padding:13px 14px;outline:none}.contact-form input:focus,.contact-form textarea:focus{border-color:var(--green)}.contact-form textarea{resize:vertical}.privacy{display:block;color:#86928c;margin-top:13px}.alert{padding:12px 15px;margin:0 0 18px;font-size:13px}.alert.error{background:#fff0ef;color:#ad2c24}.alert.success{background:#e8f7e7;color:#27743a}.not-found{min-height:560px;display:grid;place-items:center;text-align:center}.not-found span{font-size:100px;color:#dfeae2;font-weight:900}.not-found h1{margin:-20px 0 5px}.not-found p{color:var(--muted);margin-bottom:28px}.empty{grid-column:1/-1;padding:60px;text-align:center;background:var(--soft);color:var(--muted)}.reveal{opacity:0;transform:translateY(22px);transition:.65s 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@media(max-width:900px){.container{width:min(100% - 34px,720px)}.utility{display:none}.nav-wrap{height:70px}.nav-toggle{display:block}.main-nav{position:absolute;top:70px;left:0;right:0;height:auto;display:none;flex-direction:column;align-items:stretch;gap:0;padding:12px 22px 24px;background:#fff;box-shadow:0 20px 30px rgba(0,0,0,.08)}.main-nav.open{display:flex}.main-nav a{height:48px;border-bottom:1px solid var(--line)}.main-nav a:after{display:none}.hero{min-height:auto}.hero-inner{grid-template-columns:1fr;min-height:auto}.hero-copy{padding:85px 0 35px}.hero h1{font-size:42px}.hero-visual{height:440px}.scan-card{right:50%;transform:translateX(50%)}.chip-a{left:5%}.chip-b{right:3%}.trust-grid{grid-template-columns:repeat(2,1fr)}.section{padding:75px 0}.section-head{display:block}.section-head>p{margin-top:15px}.product-grid{grid-template-columns:repeat(2,1fr)}.advantage-grid{grid-template-columns:repeat(2,1fr)}.case-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.detail-grid,.about-grid,.contact-grid{grid-template-columns:1fr;gap:50px}.detail-grid{gap:60px}.culture-grid{grid-template-columns:repeat(2,1fr)}.timeline{grid-template-columns:1fr}.timeline:before{display:none}.desktop-only{display:none}}
@media(max-width:560px){.container{width:calc(100% - 28px)}.brand strong{font-size:16px}.brand small{font-size:8px}.hero-copy{padding-top:65px}.hero h1{font-size:34px}.hero-copy>p{font-size:15px}.hero-actions{flex-direction:column}.hero-badges{flex-direction:column;gap:6px;margin-top:30px}.hero-visual{height:410px}.scan-card{width:270px;top:45px}.chip-a{left:0;top:20px}.chip-b{right:0;bottom:30px}.trust-grid>div{padding:20px 8px;display:block;text-align:center}.trust-grid strong,.trust-grid span{display:block}.trust-grid strong{font-size:24px}.section{padding:60px 0}.section-head h2,.about-grid h2,.contact-grid h2{font-size:30px}.product-grid{grid-template-columns:1fr}.advantage-grid{grid-template-columns:1fr}.advantage-grid article{min-height:auto}.case-card{grid-template-columns:42px 1fr;padding:23px 18px}.cta-inner{min-height:360px;display:block;padding-top:60px}.cta h2{font-size:29px}.cta .btn{margin-top:30px}.footer-grid{grid-template-columns:1fr;gap:28px}.footer-bottom{display:block}.footer-bottom a{display:block;margin-top:8px}.page-hero{padding:70px 0}.page-hero h1{font-size:40px}.detail-hero{padding:60px 0}.detail-hero h1{font-size:36px}.detail-art{height:340px}.culture-grid{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.contact-form{padding:30px 22px}.contact-row a{font-size:21px}}
/* Keep hero content above decorative overlays. */
.hero-inner{z-index:2}