:root{--green:#2f9e44;--green-d:#268038;--ink:#10243a;--muted:#5b6b7f;--line:#e3e8ee;--bg:#f6f8fa}
*{box-sizing:border-box;margin:0;padding:0}
body{font:16px/1.6 -apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:#fff}
a{color:var(--green-d);text-decoration:none}
.wrap{max-width:1040px;margin:0 auto;padding:0 22px}
.btn{display:inline-block;background:var(--green);color:#fff;font-weight:600;padding:14px 26px;border-radius:10px;font-size:16px}
.btn:hover{background:var(--green-d)}
.btn.lg{padding:16px 34px;font-size:18px}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
header{position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:700;font-size:20px;color:var(--ink)}.logo span{color:var(--green)}
.nav .links a{margin:0 14px;color:var(--muted);font-weight:500}
.nav .links{display:flex;align-items:center}
.hero{text-align:center;padding:74px 0 56px;background:linear-gradient(180deg,#f2fbf5,#fff)}
.hero h1{font-size:44px;line-height:1.15;letter-spacing:-.5px;max-width:800px;margin:0 auto 18px}
.hero h1 em{color:var(--green);font-style:normal}
.hero p.sub{font-size:20px;color:var(--muted);max-width:660px;margin:0 auto 30px}
.hero .meta{margin-top:14px;color:var(--muted);font-size:14px}
.section{padding:64px 0}
.section.alt{background:var(--bg)}
.section h2{font-size:30px;text-align:center;letter-spacing:-.3px;margin-bottom:10px}
.section .lead{text-align:center;color:var(--muted);max-width:640px;margin:0 auto 40px;font-size:18px}
.grid{display:grid;gap:22px}
.grid.three{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px}
.card .num{width:34px;height:34px;border-radius:50%;background:#e9f7ee;color:var(--green-d);font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.card h3{font-size:18px;margin-bottom:8px}
.card p{color:var(--muted)}
.sample{max-width:560px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.sample .top{background:var(--ink);color:#cfe;padding:12px 18px;font-size:13px;letter-spacing:.04em;text-transform:uppercase}
.sample .row{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line)}
.sample .row:last-child{border-bottom:0}
.sample .row .b{font-weight:600}.sample .row .m{color:var(--muted);font-size:14px}
.pill{background:#e9f7ee;color:#1c6b34;font-weight:700;border-radius:20px;padding:3px 12px;font-size:13px}
.price{max-width:420px;margin:0 auto;text-align:center;border:2px solid var(--green);border-radius:18px;padding:36px 30px;background:#fff}
.price .amt{font-size:48px;font-weight:700}.price .amt span{font-size:18px;color:var(--muted);font-weight:500}
.price ul{list-style:none;text-align:left;margin:22px 0 26px}
.price li{padding:7px 0 7px 28px;position:relative;color:var(--ink)}
.price li:before{content:"\2713";position:absolute;left:0;color:var(--green);font-weight:700}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 20px;margin-bottom:12px}
.faq summary{cursor:pointer;font-weight:600;padding:18px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq details[open] summary{border-bottom:1px solid var(--line)}
.faq p{color:var(--muted);padding:16px 0}
.cta{text-align:center;background:var(--ink);color:#fff;border-radius:18px;padding:54px 24px}
.cta h2{color:#fff;font-size:30px;margin-bottom:14px}
.cta p{color:#b8c6d6;margin-bottom:26px}
footer{border-top:1px solid var(--line);padding:34px 0;color:var(--muted);font-size:14px}
footer .row{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
footer a{color:var(--muted);margin-left:16px}
.crumbs{font-size:14px;color:var(--muted);padding:18px 0 0}
.crumbs a{color:var(--muted)}
.prose{max-width:760px;margin:0 auto}
.prose h1{font-size:34px;line-height:1.2;letter-spacing:-.4px;margin-bottom:10px}
.prose h2{font-size:26px;letter-spacing:-.3px;margin:34px 0 12px;text-align:left}
.prose h3{font-size:19px;margin:24px 0 8px}
.prose p{margin-bottom:16px}
.prose ul{margin:0 0 16px 22px}
.prose li{margin-bottom:6px}
.prose a{text-decoration:underline}
.guide-meta{color:var(--muted);font-size:14px;margin-bottom:18px}
.xlinks{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:6px}
.xlinks a{display:inline-block;border:1px solid var(--line);border-radius:22px;padding:9px 16px;color:var(--ink);font-weight:500}
.xlinks a:hover{border-color:var(--green);color:var(--green-d)}
.linkcard{display:block}
.linkcard:hover{border-color:var(--green)}
.linkcard h3{color:var(--ink)}
@media(max-width:760px){.hero h1{font-size:32px}.grid.three{grid-template-columns:1fr}.nav .links a{display:none}.nav .links .btn{display:inline-block}}