:root{--green:#00a88c;--forest:#003829;--pink:#ff88cf;--black:#050706;--white:#fff;--gray:#d4d4d4;--line:#d8dedb;--text:#131716}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--white);color:var(--text);font-family:"HarmonyOS Sans SC","Microsoft YaHei",Arial,sans-serif;letter-spacing:0}img{display:block;width:100%}a{color:inherit;text-decoration:none}button,input{font:inherit;letter-spacing:0}button{cursor:pointer}.site-header{position:absolute;z-index:20;top:0;left:0;width:100%;height:84px;padding:0 clamp(20px,4vw,64px);display:flex;align-items:center;border-bottom:1px solid rgba(255,255,255,.25);color:#fff;transition:background .25s,position .25s}.site-header.scrolled{position:fixed;background:rgba(5,7,6,.96);backdrop-filter:blur(14px)}.brand{width:180px;flex:none}.brand img{height:48px;width:auto;object-fit:contain}.desktop-nav{display:flex;gap:clamp(22px,3vw,48px);margin-left:auto;margin-right:36px;align-items:center}.desktop-nav a{font-size:14px;font-weight:600}.desktop-nav a:hover{color:var(--green)}.header-actions{display:flex;align-items:center;gap:16px}.language-switch{display:flex;border:1px solid rgba(255,255,255,.5)}.lang-button{width:38px;height:32px;background:transparent;border:0;color:#fff;font-size:12px}.lang-button.active{background:#fff;color:#000}.menu-button{display:none;width:40px;height:40px;border:0;background:transparent;color:#fff;font-size:24px}.mobile-menu{display:none}
.hero{position:relative;height:min(860px,92vh);min-height:680px;color:#fff;overflow:hidden;background:#07110d}.hero-media{position:absolute;inset:0;height:100%;object-fit:cover;object-position:center}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.83) 0%,rgba(0,0,0,.43) 48%,rgba(0,0,0,.08) 78%),linear-gradient(0deg,rgba(0,0,0,.45),transparent 45%)}.hero-content{position:relative;z-index:2;height:100%;max-width:760px;padding:clamp(150px,19vh,210px) 5vw 80px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.eyebrow{margin:0 0 18px;text-transform:uppercase;font-size:12px;font-weight:700;color:var(--green)}.eyebrow.dark{color:#007965}.hero h1{margin:0;font-size:clamp(64px,9vw,132px);line-height:.9;font-weight:800;white-space:nowrap}.hero-copy{max-width:650px;margin:28px 0 0;font-size:clamp(18px,2vw,26px);line-height:1.55}.hero-actions{display:flex;align-items:center;gap:28px;margin-top:38px}.button{display:inline-flex;min-height:50px;align-items:center;padding:0 24px;border:1px solid transparent;font-size:14px;font-weight:700}.button.primary{background:#fff;color:#000}.button.primary:hover{background:var(--green)}.button.green{background:var(--green);color:#001b16}.button.green:hover{background:#fff}.text-link{display:inline-flex;align-items:center;gap:20px;font-weight:700;font-size:14px;border-bottom:1px solid currentColor;padding-bottom:6px}.text-link b{font-size:20px;font-weight:400}.text-link.light{color:#fff}.hero-index{position:absolute;z-index:3;bottom:26px;left:5vw;right:5vw;display:flex;align-items:center;gap:14px;font-size:10px}.hero-index i{height:1px;background:rgba(255,255,255,.5);width:120px}
html[lang="en"] .hero h1{font-size:clamp(52px,8vw,122px)}
.category-strip{display:grid;grid-template-columns:repeat(4,1fr);background:var(--green);min-height:126px}.category-strip a{display:flex;align-items:center;gap:18px;padding:26px clamp(18px,3vw,46px);border-right:1px solid rgba(0,0,0,.2);font-size:17px;font-weight:800}.category-strip strong{font-size:11px}.category-strip a:hover{background:var(--forest);color:#fff}.section{padding:clamp(72px,9vw,128px) 5vw}.section-heading{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:60px;align-items:end;margin-bottom:52px}.section-heading h2,.smart-content h2,.academy-intro h2{margin:0;font-size:clamp(38px,5vw,72px);line-height:1.02}.section-heading>p{margin:0;font-size:17px;line-height:1.8;color:#52615d}.section-heading.inverse{color:#fff}.section-heading.inverse>p{color:#adc0ba}.section-heading.compact{margin-bottom:34px}.product-tabs{display:flex;gap:8px;margin-bottom:22px}.product-tab{border:1px solid #b8c3bf;background:#fff;padding:9px 16px;font-size:13px}.product-tab.active{background:#000;color:#fff;border-color:#000}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.product-card{border:1px solid var(--line);background:#fff}.product-card.hidden{display:none}.product-image{aspect-ratio:1/1.08;overflow:hidden;background:#edf0ee}.product-image img{height:100%;object-fit:cover;transition:transform .45s}.product-card:hover .product-image img{transform:scale(1.035)}.product-meta{padding:20px}.product-meta span{font-size:10px;color:#73807c}.product-meta h3{font-size:18px;margin:12px 0 22px;min-height:44px}.product-meta a{font-size:13px;font-weight:700;color:#007965;border-bottom:1px solid #007965}
.smart-feature{display:grid;grid-template-columns:1.05fr .95fr;min-height:720px;background:#050706;color:#fff}.smart-media{min-height:620px;overflow:hidden}.smart-media img{height:100%;object-fit:cover}.smart-content{padding:clamp(60px,8vw,120px);display:flex;flex-direction:column;justify-content:center;align-items:flex-start}.smart-content p:not(.eyebrow){font-size:17px;line-height:1.8;color:#b7c3bf;max-width:620px}.smart-stats{display:grid;grid-template-columns:repeat(3,1fr);width:100%;margin:40px 0;border-top:1px solid #294139;border-bottom:1px solid #294139}.smart-stats div{padding:24px 18px 24px 0}.smart-stats dt{font-size:28px;font-weight:800;color:var(--green)}.smart-stats dd{margin:7px 0 0;font-size:12px;color:#aab5b1}.guides{background:var(--forest)}.guide-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}.guide-card{position:relative;height:520px;overflow:hidden;background:#000}.guide-card img{height:100%;object-fit:cover;opacity:.88;transition:transform .5s,opacity .5s}.guide-card:hover img{transform:scale(1.035);opacity:1}.guide-card span{position:absolute;inset:auto 0 0;padding:80px 24px 24px;background:linear-gradient(transparent,rgba(0,0,0,.85));color:#fff;display:grid;grid-template-columns:1fr auto;align-items:end}.guide-card small{grid-column:1/-1;font-size:9px;color:var(--green);margin-bottom:8px}.guide-card strong{font-size:24px}.guide-card b{font-size:22px}.academy{display:grid;grid-template-columns:1fr 1fr;min-height:680px;background:var(--gray)}.academy-intro{padding:clamp(60px,9vw,130px) 8vw 70px;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}.academy-intro p:not(.eyebrow){font-size:18px;line-height:1.75;max-width:560px;color:#4e5754}.academy-intro .text-link{margin-top:22px}.academy-image{overflow:hidden}.academy-image img{height:100%;object-fit:cover}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.article-grid article{border-top:1px solid #9caaa5}.article-grid article>img{height:290px;object-fit:cover}.article-grid article>div{padding:22px 0}.article-grid small{font-size:10px;color:#007965}.article-grid h3{font-size:22px;line-height:1.35;margin:12px 0 24px}.article-grid a{font-size:13px;font-weight:700;border-bottom:1px solid}
footer{background:#050706;color:#fff}.footer-main{padding:74px 5vw;display:grid;grid-template-columns:1.6fr .65fr .65fr 1.1fr;gap:60px;border-bottom:1px solid #294139}.footer-brand img{width:220px}.footer-brand p{max-width:430px;color:#aab5b1;line-height:1.75;margin-top:24px}.footer-links,.newsletter{display:flex;flex-direction:column;align-items:flex-start;gap:13px}.footer-links strong,.newsletter strong{color:var(--green);font-size:12px;margin-bottom:8px}.footer-links a{font-size:14px;color:#d7dedb}.newsletter p{font-size:13px;color:#aab5b1;margin:0}.newsletter form{display:flex;width:100%;border-bottom:1px solid #7b8a85;margin-top:15px}.newsletter input{min-width:0;flex:1;background:transparent;border:0;color:#fff;padding:13px 0;outline:none}.newsletter button{width:44px;background:transparent;color:var(--green);border:0;font-size:22px}.newsletter span{font-size:12px;color:var(--pink);min-height:16px}.footer-bottom{padding:22px 5vw;display:flex;justify-content:space-between;font-size:10px;color:#82908b}
@media(max-width:1000px){.desktop-nav{display:none}.menu-button{display:block}.mobile-menu{position:absolute;top:84px;left:0;width:100%;background:#050706;padding:24px 5vw;flex-direction:column;gap:22px;border-top:1px solid #294139}.mobile-menu.open{display:flex}.hero-content{max-width:680px}.product-grid{grid-template-columns:repeat(2,1fr)}.smart-feature{grid-template-columns:1fr}.smart-media{height:560px}.guide-grid{grid-template-columns:1fr 1fr}.guide-card.wide{grid-column:1/-1;height:430px}.footer-main{grid-template-columns:1.3fr 1fr 1fr}.newsletter{grid-column:1/-1}}
@media(max-width:680px){.site-header{height:72px;padding:0 18px}.brand{width:142px}.brand img{height:42px}.header-actions{gap:7px}.language-switch{display:flex}.lang-button{width:31px;height:30px}.mobile-menu{top:72px}.hero{height:86vh;min-height:620px}.hero-content{padding:140px 22px 80px;justify-content:flex-end}.hero h1{font-size:58px}html[lang="en"] .hero h1{font-size:clamp(34px,10.5vw,44px)}.hero-copy{font-size:17px}.hero-actions{align-items:flex-start;flex-direction:column;gap:20px;margin-top:26px}.hero-index{left:22px;right:22px}.category-strip{grid-template-columns:1fr 1fr}.category-strip a{min-height:82px;padding:20px;border-bottom:1px solid rgba(0,0,0,.2)}.section{padding:70px 20px}.section-heading{grid-template-columns:1fr;gap:22px;margin-bottom:34px}.section-heading h2,.smart-content h2,.academy-intro h2{font-size:38px}.product-grid{gap:10px}.product-meta{padding:14px}.product-meta h3{font-size:15px;min-height:42px}.product-meta a{font-size:11px}.smart-media{height:420px;min-height:0}.smart-content{padding:60px 22px}.smart-stats{grid-template-columns:1fr}.smart-stats div{border-bottom:1px solid #294139}.guide-grid{grid-template-columns:1fr}.guide-card,.guide-card.wide{height:420px;grid-column:auto}.academy{grid-template-columns:1fr}.academy-intro{padding:70px 22px}.academy-image{height:480px}.article-grid{grid-template-columns:1fr}.article-grid article>img{height:260px}.footer-main{grid-template-columns:1fr 1fr;padding:60px 22px;gap:40px 28px}.footer-brand,.newsletter{grid-column:1/-1}.footer-bottom{padding:22px;flex-direction:column;gap:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.product-image img,.guide-card img{transition:none}}