html,body{margin:0;padding:0}
body.soft-root{font-family:"Trebuchet MS","PingFang SC","Microsoft YaHei",sans-serif;background:#e7f3e2;color:#204018;line-height:1.75}
.soft-root .ico{width:24px;height:24px}
.soft-head{padding:22px 6vw 8px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.soft-head .brand{display:flex;gap:8px;align-items:center;font-weight:700;font-size:18px;color:#2f6b24}
.soft-head .nav-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.soft-head a{text-decoration:none;color:#2f6b24;background:#f4fbf1;padding:6px 12px;border-radius:999px;font-size:13px;border:1px solid #b7d8ae}
.soft-main{padding:8px 6vw 64px}
.soft-hero{background:#f4fbf1;border-radius:32px;padding:26px 28px;margin:0 0 22px;box-shadow:0 12px 0 #cfe6c6}
.soft-hero h1{margin:0 0 10px;font-size:26px;color:#2f6b24}
.soft-hero>p{margin:0 0 8px;max-width:42em}
.react-demo{margin-top:16px;background:#fff;border-radius:24px;padding:16px}
.fake-bubble{background:#d8efd2;border-radius:18px 18px 4px 18px;padding:10px 14px;max-width:28em;margin-bottom:10px}
.chip-bar{display:flex;flex-wrap:wrap;gap:8px}
.chip-bar .chip{display:inline-flex;align-items:center;gap:4px;background:#eef8ea;border:1px solid #b7d8ae;border-radius:999px;padding:4px 10px;font-size:12px}
.chip-bar .chip.on{background:#50963C;color:#fff;border-color:#50963C}
.block{background:#f4fbf1;border-radius:28px;padding:22px 24px;margin:0 0 18px;box-shadow:0 10px 0 #d4e8cc}
.block h2{margin:0 0 10px;font-size:22px;color:#2f6b24}
.lead{color:#3a5c32}
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.card,.pair{background:#fff;border-radius:22px;padding:14px 16px}
.card h3,.pair h3,.step h3{margin:8px 0;font-size:16px}
.step-list{list-style:none;margin:0;padding:0}
.step{display:grid;grid-template-columns:40px 1fr;gap:12px;margin:0 0 12px;background:#fff;border-radius:22px;padding:12px 14px}
.step-n{width:32px;height:32px;border-radius:50%;background:#50963C;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.table-wrap{overflow:auto;background:#fff;border-radius:22px}
table{width:100%;border-collapse:collapse;font-size:14px}
th{background:#50963C;color:#fff;padding:10px;text-align:left}
td{padding:10px;border-bottom:1px solid #e0efda;vertical-align:top}
.pair-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.plain-list{padding-left:1.2em}
.faq-list details{background:#fff;border-radius:18px;padding:10px 14px;margin:0 0 8px}
.faq-list summary{cursor:pointer;font-weight:700;color:#2f6b24}
.site-footer{padding:8px 4px 0;color:#4a6a40;font-size:13px}
@media (max-width:880px){
.soft-head{flex-direction:column;align-items:flex-start}
.trio,.pair-grid{grid-template-columns:1fr}
}