:root{--primary-color:#174b3a;--secondary-color:#c8a86b;--text-color:#17231f;--muted-color:#67736f;--background-color:#f7f8f5;--border-color:#dce2dc;--container-width:1180px;--section-spacing:92px;--border-radius:14px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--background-color);color:var(--text-color);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.7;overflow-x:hidden}a{text-decoration:none;color:inherit}button,input,textarea{font:inherit}.loader{position:fixed;inset:0;z-index:99;display:grid;place-items:center;background:var(--primary-color);color:#fff;transition:.45s}.loaded .loader{opacity:0;visibility:hidden}.site-header{position:fixed;z-index:40;top:0;left:0;right:0;display:flex;align-items:center;gap:26px;min-height:76px;padding:0 max(22px,calc((100% - var(--container-width))/2));background:rgba(247,248,245,.93);border-bottom:1px solid transparent;transition:.25s}.site-header.scrolled{border-color:var(--border-color);box-shadow:0 8px 28px rgba(23,75,58,.07)}.library-link{font-size:13px;color:var(--muted-color)}.brand{display:flex;align-items:center;gap:10px;margin-right:auto;font-weight:800}.brand b{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--primary-color);color:#fff;font-size:12px}.site-nav{display:flex;gap:24px}.site-nav a:hover{color:var(--primary-color)}.menu-toggle{display:none}.hero,.section{max-width:var(--container-width);margin:auto;padding:var(--section-spacing) 22px}.hero{min-height:720px;padding-top:150px;display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.eyebrow{color:var(--secondary-color);font-size:12px;font-weight:800;letter-spacing:.18em}.hero h1{margin:8px 0;font-family:Georgia,"Microsoft YaHei",serif;font-size:clamp(48px,6vw,78px);line-height:1.08}.lead{font-size:20px}.hero-copy>p:not(.eyebrow){color:var(--muted-color)}.actions{display:flex;gap:12px;margin-top:28px}.btn{display:inline-flex;justify-content:center;align-items:center;min-height:46px;padding:10px 20px;border:1px solid var(--primary-color);border-radius:5px;background:transparent;color:var(--primary-color);cursor:pointer;transition:.2s}.btn.primary,.btn:hover{background:var(--primary-color);color:#fff}.btn:active{transform:scale(.98)}.placeholder{position:relative;overflow:hidden;display:grid;place-items:center;align-content:center;min-height:240px;padding:20px;border:1px dashed #93a59e;border-radius:var(--border-radius);background:repeating-linear-gradient(135deg,#edf1ed 0,#edf1ed 2px,#f8faf8 2px,#f8faf8 18px);text-align:center}.placeholder::after{content:"";position:absolute;inset:14px;border:1px solid rgba(23,75,58,.15);pointer-events:none}.placeholder span,.placeholder em{display:block;color:var(--muted-color);font-size:12px;font-style:normal}.placeholder em{position:absolute;inset:auto 0 0;padding:10px;background:var(--primary-color);color:#fff;transform:translateY(100%);transition:.25s}.placeholder:hover em{transform:none}.hero-media{min-height:430px}.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}.section h2,.heading h2{margin:6px 0 20px;font-family:Georgia,"Microsoft YaHei",serif;font-size:clamp(32px,4vw,50px);line-height:1.15}.heading{max-width:700px;margin-bottom:36px}.stat-grid,.cards,.case-grid,.certificate-grid{display:grid;gap:18px}.stat-grid{grid-template-columns:1fr 1fr}.stat-grid article,.cards article{padding:26px;border:1px solid var(--border-color);background:#fff}.stat-grid span{display:block;color:var(--muted-color);font-size:14px}.tinted{max-width:none;padding-left:max(22px,calc((100% - var(--container-width))/2));padding-right:max(22px,calc((100% - var(--container-width))/2));background:#eef2ed}.three{grid-template-columns:repeat(3,1fr)}.cards article span,.service-cards article>b{color:var(--secondary-color);font-size:24px}.cards p,.case-grid p{color:var(--muted-color)}.service-cards article{transition:.25s}.service-cards article:hover{transform:translateY(-5px);border-color:var(--primary-color)}.service-cards a{font-weight:700;color:var(--primary-color)}.case-grid{grid-template-columns:repeat(3,1fr)}.case-grid article{transition:.25s}.case-grid article:hover{transform:translateY(-5px)}.case-grid .placeholder{min-height:260px}.process ol{display:grid;grid-template-columns:repeat(4,1fr);padding:0;list-style:none;border-top:1px solid var(--border-color)}.process li{display:grid;gap:7px;padding:24px 15px;border-right:1px solid var(--border-color)}.process li b{color:var(--secondary-color)}.process small{color:var(--muted-color)}blockquote{margin:0;padding:36px;border-left:4px solid var(--secondary-color);background:#fff;font-size:22px}blockquote cite{display:block;margin-top:20px;color:var(--muted-color);font-size:14px}.certificate-grid{grid-template-columns:1fr 1fr}.certificate-grid .placeholder{min-height:300px}.faq article{border-bottom:1px solid var(--border-color)}.faq-question{width:100%;display:flex;justify-content:space-between;padding:22px 0;border:0;background:none;text-align:left;font-weight:700;cursor:pointer}.faq-answer{display:grid;grid-template-rows:0fr;transition:.25s}.faq-answer p{overflow:hidden;margin:0;color:var(--muted-color)}.faq article.open .faq-answer{grid-template-rows:1fr}.faq article.open .faq-answer p{margin-bottom:20px}.contact{display:grid;grid-template-columns:1fr 1fr;gap:70px;background:#eef2ed}.qr{width:150px;min-height:150px;margin-top:20px}.demo-form{display:grid;gap:16px;padding:30px;background:#fff}.demo-form label{font-weight:700}.demo-form input,.demo-form textarea{width:100%;margin-top:6px;padding:12px;border:1px solid var(--border-color);border-radius:6px}.form-status{min-height:24px;color:var(--primary-color)}footer{display:flex;justify-content:space-between;padding:50px max(22px,calc((100% - var(--container-width))/2));background:var(--primary-color);color:#fff}.back-top{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border:0;border-radius:50%;background:var(--secondary-color);color:#fff;opacity:0;transform:translateY(15px);pointer-events:none;transition:.25s}.back-top.show{opacity:1;transform:none;pointer-events:auto}.reveal{opacity:0;transform:translateY(24px);transition:.65s}.reveal.visible{opacity:1;transform:none}@media(max-width:768px){:root{--section-spacing:64px}.site-header{min-height:66px;padding:0 16px}.library-link{display:none}.menu-toggle{display:block;padding:8px 12px;border:1px solid var(--border-color);background:#fff}.site-nav{position:absolute;left:12px;right:12px;top:62px;display:none;flex-direction:column;gap:0;padding:10px;background:#fff;border:1px solid var(--border-color);box-shadow:0 20px 40px rgba(0,0,0,.12)}.site-nav.open{display:flex}.site-nav a{padding:12px}.hero{min-height:auto;padding-top:110px;grid-template-columns:1fr;gap:35px}.hero-media{min-height:260px}.split,.contact{grid-template-columns:1fr;gap:35px}.three,.case-grid{grid-template-columns:1fr}.process ol{grid-template-columns:1fr 1fr}.certificate-grid{grid-template-columns:1fr 1fr}footer{flex-direction:column;gap:20px}}@media(max-width:390px){.process ol,.stat-grid{grid-template-columns:1fr}.certificate-grid .placeholder{min-height:210px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}.reveal{opacity:1;transform:none}}