:root{color-scheme:light;--bg:#faf7f0;--paper:#fffdf8;--ink:#293c30;--muted:#657265;--green:#49684f;--line:#dce1d5;--soft:#e7eddc;--accent:#b66c4c;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);line-height:1.8}
a{color:var(--green);text-underline-offset:5px}
a:hover{text-decoration-thickness:2px}
a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px;border-radius:4px}
.skip{position:absolute;top:-100px;left:16px;background:var(--paper);padding:10px 16px;z-index:5}
.skip:focus{top:8px}
.site-header{max-width:1140px;margin:auto;padding:28px 36px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}
.brand{flex-shrink:0;display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--ink);font-weight:600;font-size:18px}
.brand img{height:48px;width:48px;border-radius:12px}
nav{display:flex;align-items:center;flex-wrap:wrap;gap:22px;font-size:14px}
nav a{text-decoration:none}
nav a[aria-current=page]{color:var(--ink);border-bottom:1px solid var(--green)}
main{max-width:1140px;margin:auto;padding:64px 36px 70px}
.intro{max-width:710px;margin-bottom:42px}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:13px;color:var(--green);margin:0 0 14px;font-weight:600}
h1{text-wrap:balance;font-size:clamp(32px,4vw,48px);line-height:1.3;font-weight:580;letter-spacing:-.02em;margin:0 0 20px}
h2{font-size:24px;line-height:1.45;font-weight:550;margin:0 0 22px}
h3{font-size:18px;line-height:1.5;margin:26px 0 10px;font-weight:600}
.intro>p:last-child{color:var(--muted);font-size:18px;margin-bottom:0}
.support-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:54px;align-items:start}
.questions details{border-bottom:1px solid var(--line);padding:0 0 22px;margin:0 0 22px}
.questions summary{list-style:none;cursor:pointer;position:relative;padding-right:32px;font-size:18px;font-weight:500;line-height:1.6}
.questions summary::-webkit-details-marker{display:none}
.questions summary::after{content:'+';position:absolute;right:0;top:-2px;color:var(--green);font-size:24px;font-weight:350}
.questions details[open] summary::after{content:'−'}
.questions details p,.questions details ul{color:var(--muted);margin:15px 0 0}
.questions details li{margin:8px 0}
.contact{border-radius:24px;background:var(--soft);padding:28px;overflow-wrap:anywhere}
.contact h2{font-size:22px;margin-bottom:12px}
.contact p{font-size:15px;color:var(--muted)}
.contact .email{display:block;font-size:16px;font-weight:600;margin:18px 0}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;background:var(--green);color:white;padding:9px 20px;border-radius:12px;text-decoration:none;font-size:15px;line-height:1.5}
.contact small{display:block;font-size:14px;margin-top:20px;color:var(--muted)}
.legal{max-width:780px}
.legal p,.legal li{color:var(--muted)}
.legal section{padding-top:28px;border-top:1px solid var(--line);margin-top:30px}
.legal h2{font-size:22px;margin-bottom:16px}
.meta{font-size:14px;color:var(--muted)}
.site-footer{max-width:1140px;margin:auto;padding:28px 36px 34px;border-top:1px solid var(--line);color:var(--muted);font-size:14px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.site-footer p{margin:0}
.footer-links{display:flex;gap:20px;flex-wrap:wrap}
.notice{font-size:14px;color:var(--muted);max-width:1140px;margin:0 auto 34px;padding:0 36px}
.notice p{margin:0}
.privacy-contact{overflow-wrap:anywhere}
::selection{background:#dce8ce}
@media(max-width:760px){.site-header{padding:20px 22px;gap:16px;align-items:flex-start;flex-wrap:wrap}
.brand{font-size:16px;gap:10px}
.brand img{width:40px;height:40px;border-radius:10px}
nav{gap:12px 20px;font-size:14px;justify-content:flex-start}
nav a{padding:4px 0;min-height:32px}
main{padding:38px 22px 44px}
.intro{margin-bottom:34px}
.intro>p:last-child{font-size:16px}
.support-layout{grid-template-columns:1fr;gap:26px}
.contact{padding:24px}
.site-footer{padding:24px 22px}
.notice{padding:0 22px}
.questions summary{font-size:17px}
}
@media(max-width:480px){.site-header nav{width:100%}
.site-footer{display:block}
.footer-links{margin-top:12px}
.contact .email{font-size:15px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
}

.quick-contact{display:inline-block;margin-top:16px;font-size:16px}