* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    background: radial-gradient(circle at top left, rgba(126, 173, 141, 0.18), transparent 24%), #f6f2e9;
    color: #203126;
}
.topbar, .page, .login-shell { max-width: 1180px; margin: 0 auto; padding: 24px; }
.topbar { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.topbar h1, .login-card h1 { margin: 12px 0 0; font-size: 36px; }
.eyebrow { display: inline-block; padding: 6px 14px; border-radius: 999px; background: rgba(65,111,84,.1); color: #416f54; font-size: 13px; }
.muted { color: #6d7d6e; line-height: 1.7; }
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.cards-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.panel, .stat-card, .login-card {
    border: 1px solid rgba(49, 77, 57, .1);
    border-radius: 24px;
    background: rgba(255,255,255,.9);
    box-shadow: 0 18px 42px rgba(41,63,46,.06);
}
.panel { margin-top: 20px; padding: 22px; }
.panel-head { display: flex; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.panel-head h2 { margin: 0; font-size: 28px; }
.stat-card { padding: 20px; }
.stat-card strong { display: block; font-size: 34px; }
.stat-card span { display: block; margin-top: 10px; color: #6d7d6e; }
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 0;
    border-radius: 14px;
    padding: 12px 18px;
    cursor: pointer;
    text-decoration: none;
    font: inherit;
}
.button-primary { background: linear-gradient(180deg, #4b8c69 0%, #3f7658 100%); color: #fff; }
.button-ghost { background: #eef2eb; color: #3e6147; }
.button-block { width: 100%; }
.field { display: block; }
.field span { display: block; margin-bottom: 8px; color: #647766; font-size: 14px; }
input {
    width: 100%;
    border: 1px solid rgba(67, 101, 77, .16);
    border-radius: 14px;
    padding: 12px 14px;
    font: inherit;
}
.api-list { display: grid; gap: 10px; }
code { display: block; padding: 12px 14px; border-radius: 14px; background: #f4f5f1; overflow: auto; }
.tool-grid { display: grid; grid-template-columns: 1.4fr .8fr; gap: 18px; }
.tool-panel { padding: 18px; border-radius: 20px; background: #f8f7f2; }
.button-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 14px; }
.log-box {
    margin-top: 16px;
    min-height: 180px;
    max-height: 260px;
    overflow: auto;
    padding: 14px;
    border-radius: 16px;
    background: #ffffff;
    border: 1px solid rgba(49, 77, 57, .08);
    white-space: pre-wrap;
    line-height: 1.7;
    color: #4a5c4d;
}
.tool-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    border-radius: 16px;
    background: #ffffff;
    margin-bottom: 12px;
}
.tool-meta strong { font-size: 30px; }
.table-wrap { overflow: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 14px 10px; border-bottom: 1px solid rgba(49, 77, 57, .08); text-align: left; vertical-align: top; }
.login-body { min-height: 100vh; display: flex; align-items: center; }
.login-shell { width: 100%; }
.login-card { max-width: 460px; margin: 0 auto; padding: 26px; }
.form-stack { display: grid; gap: 14px; margin-top: 18px; }
.alert { padding: 12px 14px; border-radius: 14px; margin-top: 14px; }
.alert-error { background: rgba(191, 72, 72, .1); color: #8c2f2f; }
@media (max-width: 980px) {
    .topbar, .topbar-actions { flex-direction: column; align-items: stretch; }
    .cards-grid, .tool-grid { grid-template-columns: 1fr; }
}