:root{--bg:#fbfaf6;--card:#fff;--ink:#1d2433;--mute:#5d6576;--line:#e8e4d8;--acc:#f5b400;--acc2:#ffe07a;--grn:#1a9e5c;--grn-bg:#e8f6ee;--red:#c9412f;--red-bg:#fbeceA;--r:14px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}
a{color:#0d6b3f}
img{max-width:100%;height:auto}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
h1{font-size:34px;line-height:1.2;margin:18px 0 14px;letter-spacing:-.5px}
h2{font-size:26px;line-height:1.25;margin:38px 0 12px;letter-spacing:-.3px}
h3{font-size:20px;margin:26px 0 8px}
p{margin:0 0 14px}
ul,ol{padding-left:22px;margin:0 0 16px}
li{margin:4px 0}
/* header */
.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.top-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-size:21px}
.brand b{color:var(--grn)}
.menu ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.menu a{display:block;padding:8px 12px;border-radius:10px;text-decoration:none;color:var(--ink);font-size:15px;font-weight:500}
.menu a:hover,.menu a.on{background:var(--acc2)}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:10px;font-size:22px;padding:4px 12px;cursor:pointer}
@media(max-width:860px){.burger{display:block}.menu{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 16px}.menu-open .menu{display:block}.menu ul{flex-direction:column}}
/* crumbs */
.bc{font-size:14px;color:var(--mute);margin:16px 0 0}
.bc a{color:var(--mute)}.bc i{font-style:normal;margin:0 4px}
.upd{font-size:14px;color:var(--mute);margin:-6px 0 18px}
/* hero */
.hero{background:linear-gradient(135deg,#fff6d6 0%,#fff 60%);border:1px solid var(--line);border-radius:22px;padding:34px 34px 28px;margin:22px 0 10px}
.hero h1{margin-top:0;font-size:38px}
.hero .lead{font-size:19px;color:#3a4254;max-width:720px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:18px}
.hero-stats div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 16px}
.hero-stats b{display:block;font-size:22px;color:var(--grn)}
.hero-stats span{font-size:13px;color:var(--mute)}
.lead{font-size:18px}
/* cta */
.cta{display:flex;align-items:center;justify-content:space-between;gap:18px;background:var(--grn-bg);border:1px solid #bfe5cf;border-radius:var(--r);padding:18px 22px;margin:22px 0}
.cta b{font-size:18px}.cta p{margin:4px 0 0;color:#2f3a2f;font-size:15px}.cta small{display:block;color:var(--mute);font-size:12px;margin-top:6px}
.btn{display:inline-block;background:var(--acc);color:var(--ink);font-weight:700;text-decoration:none;padding:13px 24px;border-radius:12px;white-space:nowrap;box-shadow:0 2px 0 #c89300;transition:transform .1s}
.btn:hover{transform:translateY(-1px);background:#ffc414}
.btn-sm{padding:8px 14px;font-size:14px}
@media(max-width:640px){.cta{flex-direction:column;align-items:stretch;text-align:left}.cta .btn{text-align:center}}
/* facts */
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin:18px 0}
.facts div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.facts span{display:block;font-size:13px;color:var(--mute)}.facts b{font-size:17px}
/* tables */
.tbl-w{overflow-x:auto;margin:16px 0 22px;border:1px solid var(--line);border-radius:var(--r);background:#fff}
.tbl{border-collapse:collapse;width:100%;font-size:15px;min-width:560px}
.tbl th{background:#fff6d6;text-align:left;padding:11px 12px;font-size:14px}
.tbl td{padding:11px 12px;border-top:1px solid var(--line);vertical-align:top}
.tbl tr:hover td{background:#fffdf3}
/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin:18px 0 26px}
.card{position:relative;display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;text-decoration:none;color:var(--ink);transition:box-shadow .15s,border-color .15s}
.card:hover{border-color:var(--acc);box-shadow:0 6px 20px rgba(0,0,0,.06)}
.card b{display:block;font-size:17px;margin-bottom:6px}.card p{font-size:14px;color:var(--mute);margin:0 0 10px}
.card em{position:absolute;top:14px;right:14px;font-style:normal;font-size:12px;font-weight:700;background:var(--grn-bg);color:var(--grn);padding:3px 8px;border-radius:20px}
.card .more{font-size:14px;color:#0d6b3f;font-weight:600}
/* pros cons */
.pc{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:16px 0 22px}
.pc>div{border-radius:var(--r);padding:16px 18px}
.pc-p{background:var(--grn-bg)}.pc-c{background:#fbeeea}
.pc ul{margin:8px 0 0}
@media(max-width:640px){.pc{grid-template-columns:1fr}}
/* faq */
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin:8px 0;padding:0 16px}
.faq summary{cursor:pointer;font-weight:600;padding:14px 0;list-style:none;position:relative;padding-right:28px}
.faq summary::after{content:"+";position:absolute;right:0;top:12px;font-size:22px;color:var(--grn)}
.faq details[open] summary::after{content:"−"}
.faq details>div{padding:0 0 14px;color:#333b4a}
/* toc */
.toc{background:#fff;border:1px solid var(--line);border-left:4px solid var(--acc);border-radius:12px;padding:14px 18px;margin:18px 0}
.toc ol{margin:8px 0 0}.toc a{text-decoration:none}
/* note */
.note{background:#fff8e1;border:1px solid #f3dc8e;border-radius:12px;padding:14px 18px;margin:18px 0;font-size:16px}
.tip{background:#eef5ff;border:1px solid #cfe0fb;border-radius:12px;padding:14px 18px;margin:18px 0;font-size:16px}
.steps{counter-reset:s;list-style:none;padding:0}
.steps li{counter-increment:s;position:relative;padding:0 0 0 46px;margin:0 0 16px}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;background:var(--acc);font-weight:700;display:flex;align-items:center;justify-content:center}
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:760px){.cols2{grid-template-columns:1fr}}
.city-list{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 24px}
.city-list a{background:#fff;border:1px solid var(--line);border-radius:30px;padding:6px 14px;text-decoration:none;color:var(--ink);font-size:15px}
.city-list a:hover{border-color:var(--acc);background:#fff6d6}
/* calc */
.calc{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;margin:20px 0}
.calc-g{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.calc label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.calc select,.calc input[type=number]{width:100%;padding:11px 12px;border:1px solid #d6d1c2;border-radius:10px;font-size:16px;background:#fff}
.calc input[type=range]{width:100%}
.calc-out{margin-top:18px;display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px}
.calc-out div{background:var(--grn-bg);border-radius:12px;padding:12px 14px}
.calc-out span{font-size:13px;color:var(--mute);display:block}.calc-out b{font-size:24px;color:var(--grn)}
.calc small{display:block;color:var(--mute);margin-top:10px;font-size:13px}
/* footer */
.foot{background:#1d2433;color:#c8cdd8;margin-top:60px;padding:36px 0 20px;font-size:15px}
.foot-in{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
.foot a{color:#e9ecf2;text-decoration:none;display:block;margin:4px 0}
.foot b{color:#fff;display:block;margin-bottom:6px}
.brand-foot{color:#fff!important;display:flex!important;margin-bottom:10px!important}
.foot-note{font-size:12px;color:#8d95a6;border-top:1px solid #333c50;margin-top:24px;padding-top:14px}
@media(max-width:760px){.foot-in{grid-template-columns:1fr}h1,.hero h1{font-size:28px}h2{font-size:22px}.hero{padding:22px 18px}body{font-size:16px}}
.ph{margin:18px 0 22px}.ph img{display:block;width:100%;height:auto;border-radius:14px;background:#eee}.ph figcaption{font-size:12px;color:var(--mute);margin-top:6px}.ph figcaption a{color:var(--mute)}