:root { color-scheme: light; }
body { margin: 0; background: #f5f7f4; color: #1b302a; font-family: -apple-system, BlinkMacSystemFont, "Microsoft YaHei", sans-serif; }
.plus-header { display: flex; justify-content: space-between; gap: 18px; align-items: center; padding: 18px max(24px, calc((100% - 1120px)/2)); background: #12382f; color: white; }
.plus-header a { color: inherit; text-decoration: none; font-weight: 700; }
.plus-header nav { display: flex; gap: 20px; }
.plus-shell { max-width: 1120px; margin: auto; padding: 56px 24px 80px; }
.plus-kicker { color: #bc6e29; font-weight: 700; letter-spacing: .1em; }
.plus-shell h1 { font-size: clamp(2rem, 5vw, 3.7rem); line-height: 1.18; max-width: 800px; margin: 12px 0 20px; }
.plus-lead { font-size: 1.15rem; line-height: 1.8; max-width: 780px; color: #40554e; }
.plus-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 42px 0 18px; }
.plus-card { background: white; border: 1px solid #d9e2db; border-radius: 16px; padding: 26px; box-shadow: 0 6px 22px #12382f0a; }
.plus-card span { color: #b37332; font-size: 1.4rem; font-weight: 800; }
.plus-card h2 { font-size: 1.3rem; margin: 12px 0; }
.plus-card p { line-height: 1.75; color: #4b6058; }
.plus-scope { margin-bottom: 32px; }
.plus-form-card { max-width: 740px; }
.plus-form-card form { display: grid; gap: 16px; }
.plus-form-card label { display: grid; gap: 7px; font-weight: 600; }
.plus-form-card input:not([type="checkbox"]), .plus-form-card textarea, .plus-form-card select { width: 100%; box-sizing: border-box; border: 1px solid #b5c6bc; border-radius: 8px; padding: 12px; font: inherit; background: white; }
.plus-form-card textarea { min-height: 110px; }
.plus-form-card .plus-check { display: flex; gap: 10px; align-items: flex-start; line-height: 1.6; font-weight: 400; }
.plus-form-card .plus-check input { margin-top: 5px; }
.plus-form-card button { border: 0; border-radius: 8px; background: #126b53; color: white; padding: 14px 25px; font: inherit; font-weight: 700; cursor: pointer; }
.plus-form-card button:disabled { opacity: .55; cursor: wait; }
.plus-honeypot { position: absolute; left: -9999px; opacity: 0; }
.plus-footnote { margin-top: 26px; color: #5e6d65; line-height: 1.7; }
@media (max-width: 720px) { .plus-header { align-items: flex-start; flex-direction: column; } .plus-header nav { flex-wrap: wrap; } .plus-grid { grid-template-columns: 1fr; } .plus-shell { padding-top: 35px; } }