:root{
  --bg:#f6f8f7;--paper:#fff;--ink:#16201d;--muted:#65716d;--line:#dfe7e4;
  --accent:#1f6f5f;--accent-2:#e5f3ef;--warning:#fff6dc;--warning-border:#ecdba4;
  --radius:22px;--shadow:0 18px 50px rgba(21,44,37,.08);--max:1180px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65}
a{color:inherit;text-decoration:none}img,svg{display:block;max-width:100%}button,input{font:inherit}.container{width:min(calc(100% - 32px),var(--max));margin:auto}.site-header{position:sticky;top:0;z-index:40;background:rgba(246,248,247,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,231,228,.8)}.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:-.02em}.brand-mark{width:40px;height:40px;border-radius:13px;background:var(--accent);display:grid;place-items:center;color:white}.brand small{display:block;font-size:11px;color:var(--muted);font-weight:650;letter-spacing:.08em;text-transform:uppercase}.nav{display:flex;align-items:center;gap:8px}.nav a{padding:10px 12px;border-radius:12px;font-size:14px;font-weight:650;color:#384540}.nav a:hover{background:#fff}.menu-btn{display:none;border:0;background:#fff;border-radius:12px;width:42px;height:42px;box-shadow:0 4px 18px rgba(0,0,0,.06)}
.hero{padding:72px 0 40px}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:28px;align-items:stretch}.hero-main{background:linear-gradient(135deg,#113d34,#1f6f5f);border-radius:32px;padding:56px;color:white;position:relative;overflow:hidden;min-height:430px}.hero-main:after{content:"";position:absolute;width:330px;height:330px;border-radius:50%;background:rgba(255,255,255,.06);right:-80px;bottom:-120px}.eyebrow{font-size:12px;letter-spacing:.09em;text-transform:uppercase;font-weight:800;color:var(--accent)}.hero .eyebrow{color:#b9ded4}.hero h1{font-size:clamp(42px,6vw,72px);line-height:1.02;letter-spacing:-.055em;max-width:820px;margin:16px 0 18px}.hero p{max-width:690px;color:#dbeae6;font-size:18px;margin:0 0 30px}.search-box{display:flex;gap:10px;background:white;padding:8px;border-radius:18px;max-width:720px;box-shadow:0 18px 40px rgba(0,0,0,.16);position:relative;z-index:2}.search-box input{flex:1;border:0;outline:0;padding:14px 16px;color:var(--ink);min-width:0}.search-box button{border:0;background:var(--ink);color:white;border-radius:13px;padding:0 20px;font-weight:750;cursor:pointer}.hero-note{font-size:12px!important;color:#b9cec8!important;margin-top:14px!important}.hero-side{display:grid;gap:16px}.trust-card,.quick-card{background:var(--paper);border:1px solid var(--line);border-radius:24px;padding:26px}.trust-card{box-shadow:var(--shadow)}.trust-card h3,.quick-card h3{margin:8px 0 8px;font-size:22px}.trust-list{display:grid;gap:12px;margin-top:20px}.trust-item{display:flex;gap:12px;align-items:flex-start;color:#42504b;font-size:14px}.dot{width:28px;height:28px;border-radius:50%;background:var(--accent-2);display:grid;place-items:center;color:var(--accent);font-weight:900;flex:0 0 auto}
.section{padding:48px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.section-head h2{font-size:clamp(30px,4vw,46px);letter-spacing:-.04em;line-height:1.05;margin:8px 0 0}.section-head p{max-width:560px;color:var(--muted);margin:0}.appliance-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}.appliance-card{background:white;border:1px solid var(--line);border-radius:20px;padding:20px;min-height:150px;display:flex;flex-direction:column;justify-content:space-between;transition:.2s}.appliance-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#c9d9d4}.appliance-icon{width:48px;height:48px;border-radius:15px;background:var(--accent-2);display:grid;place-items:center;color:var(--accent)}.appliance-card strong{font-size:15px;line-height:1.2}.appliance-card span{color:var(--muted);font-size:12px}.featured-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}.feature-lead,.article-card{background:white;border:1px solid var(--line);border-radius:24px;overflow:hidden}.feature-lead{padding:34px;display:flex;flex-direction:column;justify-content:space-between;min-height:360px;background:linear-gradient(145deg,#fff,#edf6f3)}.feature-lead h3{font-size:36px;line-height:1.08;letter-spacing:-.04em;margin:16px 0}.feature-lead p,.article-card p{color:var(--muted)}.meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.pill{padding:7px 10px;border-radius:999px;background:#f0f4f2;color:#4a5752;font-size:12px;font-weight:700}.article-list{display:grid;gap:12px}.article-card{padding:22px;transition:.2s}.article-card:hover{border-color:#b9cec7;transform:translateX(3px)}.article-card strong{display:block;font-size:20px;line-height:1.25;margin:7px 0}.article-card p{font-size:14px;margin:0}.safety-strip{background:#15221e;color:white;border-radius:28px;padding:38px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}.safety-strip p{color:#c5d3ce;margin:8px 0 0}.safety-points{display:grid;gap:10px}.safety-point{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.08);padding:14px 16px;border-radius:14px;font-size:14px}
.breadcrumbs{padding:26px 0 4px;color:var(--muted);font-size:13px}.breadcrumbs a:hover{color:var(--accent)}.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:34px;padding:24px 0 70px}.article-main{background:white;border:1px solid var(--line);border-radius:28px;padding:46px}.article-main h1{font-size:clamp(38px,5vw,62px);line-height:1.04;letter-spacing:-.05em;margin:12px 0 18px}.lead{font-size:19px;color:#51615b}.article-main h2{font-size:28px;letter-spacing:-.03em;margin:42px 0 16px}.symptoms{display:grid;gap:10px;padding:0;list-style:none}.symptoms li{padding:14px 16px;background:#f5f8f7;border-radius:14px;border:1px solid var(--line)}.steps{display:grid;gap:14px}.step{display:grid;grid-template-columns:42px 1fr;gap:16px;padding:20px;border:1px solid var(--line);border-radius:18px}.step-num{width:42px;height:42px;border-radius:13px;background:var(--accent-2);color:var(--accent);display:grid;place-items:center;font-weight:850}.step h3{margin:2px 0 5px;font-size:18px}.step p{margin:0;color:#56645f}.warning{margin-top:30px;background:var(--warning);border:1px solid var(--warning-border);border-radius:18px;padding:20px}.warning strong{display:block;margin-bottom:6px}.faq{display:grid;gap:10px}.faq details{border:1px solid var(--line);border-radius:14px;padding:14px 16px;background:#fbfcfc}.faq summary{font-weight:750;cursor:pointer}.faq p{color:var(--muted)}.sidebar{position:relative}.side-card{position:sticky;top:100px;background:white;border:1px solid var(--line);border-radius:22px;padding:22px}.side-card h3{margin-top:0}.toc{display:grid;gap:8px}.toc a{font-size:14px;color:#52605b;padding:8px 10px;border-radius:10px}.toc a:hover{background:var(--accent-2);color:var(--accent)}.result-list{display:grid;gap:12px}.result-card{display:block;background:white;border:1px solid var(--line);border-radius:18px;padding:22px}.result-card strong{display:block;font-size:20px;margin:5px 0}.result-card span:last-child{color:var(--muted);font-size:14px}.empty-state{background:white;border:1px dashed #b8c7c2;border-radius:18px;padding:32px;color:var(--muted)}
.category-hero{padding:56px 0 18px}.category-hero h1{font-size:clamp(42px,5vw,64px);letter-spacing:-.05em;margin:10px 0}.category-hero p{color:var(--muted);max-width:720px}.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.cards-3 .article-card:hover{transform:translateY(-3px)}
.site-footer{border-top:1px solid var(--line);padding:40px 0 24px;margin-top:40px;background:#eef3f1}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}.footer-grid h4{margin:0 0 12px}.footer-grid p,.footer-grid a{font-size:14px;color:var(--muted)}.footer-links{display:grid;gap:7px}.copyright{border-top:1px solid #d8e2df;margin-top:30px;padding-top:20px;color:#74807c;font-size:12px}
@media(max-width:980px){.nav{display:none;position:absolute;left:16px;right:16px;top:68px;background:white;border:1px solid var(--line);padding:10px;border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.is-open{display:flex}.menu-btn{display:block}.hero-grid,.featured-grid,.safety-strip,.article-shell{grid-template-columns:1fr}.appliance-grid{grid-template-columns:repeat(3,1fr)}.sidebar{display:none}.cards-3{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.container{width:min(calc(100% - 22px),var(--max))}.header-inner{height:68px}.brand{font-size:14px}.brand small{display:none}.hero{padding:28px 0 20px}.hero-main{padding:30px 22px;min-height:auto;border-radius:24px}.hero h1{font-size:40px}.hero p{font-size:16px}.search-box{display:grid;grid-template-columns:1fr}.search-box button{padding:13px}.hero-side{grid-template-columns:1fr}.section{padding:34px 0}.section-head{align-items:start;flex-direction:column}.appliance-grid{grid-template-columns:1fr 1fr}.appliance-card{min-height:130px}.feature-lead{padding:25px;min-height:320px}.feature-lead h3{font-size:30px}.safety-strip{padding:26px;gap:22px}.article-main{padding:25px 20px;border-radius:22px}.article-main h1{font-size:40px}.step{grid-template-columns:34px 1fr;padding:16px}.step-num{width:34px;height:34px}.cards-3{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.category-hero{padding-top:34px}}