:root { color-scheme: light; font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif; color: #172d3a; background: #f5f7fa; line-height: 1.65; }
* { box-sizing: border-box; }
body { margin: 0; }
a { color: #137a70; text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 3px solid #179b8b; outline-offset: 3px; }
.header,main,footer { max-width: 1160px; margin: auto; padding: 28px 32px; }
.header,nav,.section-heading,footer { display: flex; justify-content: space-between; align-items: center; gap: 18px; }
nav { flex-wrap: wrap; font-size: 14px; }
nav form { margin: 0; }
.brand { font-size: 25px; font-weight: 800; color: #172d3a; white-space: nowrap; }
.brand span { font-size: 14px; color: #71808b; font-weight: 400; }
.hero { padding: 48px 0 66px; }
.eyebrow { font-size: 12px; letter-spacing: 3px; color: #137a70; font-weight: 750; }
h1 { font-size: clamp(30px,5vw,54px); line-height: 1.25; letter-spacing: -1px; margin: 16px 0 24px; }
h2 { font-size: 21px; }
p { color: #596f7c; }
.hero p { max-width: 600px; }
.section-heading span { color: #71808b; font-size: 13px; }
.tool-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(260px,340px)); gap: 24px; }
.tool-card,.panel,.auth { border: 1px solid #e1e7ed; background: #fff; border-radius: 20px; padding: 28px; }
.tool-card { display: block; color: #172d3a; }
.tool-card:hover { border-color: #137a70; text-decoration: none; }
.tool-card p { font-size: 14px; }
.tool-card strong { color: #137a70; font-size: 14px; }
.tool-icon { display: grid; place-items: center; background: #e9f3f0; color: #137a70; border-radius: 14px; width: 48px; height: 48px; font-size: 36px; }
.auth { max-width: 520px; margin: 30px auto 60px; padding: 36px; }
.auth h1 { font-size: 30px; }
.auth p { font-size: 14px; }
label { display: block; font-size: 14px; margin: 16px 0; }
input,select { display: block; width: 100%; border: 1px solid #bccbd4; border-radius: 9px; padding: 11px 12px; margin-top: 6px; font: inherit; background: white; color: #172d3a; }
.button { display: inline-block; border: 0; border-radius: 9px; padding: 12px 20px; background: #137a70; color: white; font: inherit; cursor: pointer; }
.small { padding: 8px 14px; font-size: 14px; }
.auth .button { width: 100%; margin-top: 12px; }
.text-button { border: 0; padding: 0; color: #137a70; font: inherit; background: transparent; cursor: pointer; }
.error { color: #a22835; background: #fff1f1; padding: 12px; border-radius: 9px; }
.notice { background: #e3f2ea; color: #215f49; padding: 15px 20px; border-radius: 12px; }
.panel { margin: 22px 0; }
.panel > form { max-width: 500px; }
.search { display: flex; gap: 12px; align-items: center; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; margin-top: 24px; font-size: 14px; text-align: left; }
th,td { padding: 14px 12px; border-bottom: 1px solid #e1e7ed; vertical-align: top; }
td { min-width: 110px; overflow-wrap: anywhere; }
td:last-child { min-width: 210px; }
details { margin: 12px 0; }
summary { color: #137a70; cursor: pointer; }
.danger { color: #a22835; }
.danger-button { background: #a22835; }
footer { border-top: 1px solid #e1e7ed; margin-top: 70px; font-size: 12px; color: #71808b; }
li { overflow-wrap: anywhere; }
@media(max-width:600px) { .header,main,footer { padding: 22px; } .header { align-items: flex-start; flex-direction: column; } nav { width: 100%; justify-content: flex-start; } .hero { padding: 30px 0; } .auth { padding: 24px; margin-top: 10px; } .tool-grid { grid-template-columns: 1fr; } footer { align-items: flex-start; flex-direction: column; } }