:root {
  --t11-bg: #f4f7fb;
  --t11-card: #ffffff;
  --t11-text: #1b2430;
  --t11-muted: #667085;
  --t11-line: #e4e9f2;
  --t11-blue: #2aabee;
  --t11-blue-dark: #229ed9;
  --t11-wrap: 860px;
  --t11-font: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--t11-font);
  color: var(--t11-text);
  background: var(--t11-bg);
  line-height: 1.7;
}

a {
  color: var(--t11-blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

.wrap {
  width: min(100% - 28px, var(--t11-wrap));
  margin-inline: auto;
}

.t11-top {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--t11-card);
  border-bottom: 1px solid var(--t11-line);
}

.t11-top-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 52px;
}

.t11-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--t11-text);
  font-weight: 700;
  text-decoration: none;
}

.t11-brand:hover {
  color: var(--t11-blue);
  text-decoration: none;
}

.t11-brand img {
  width: 28px;
  height: 28px;
  border-radius: 8px;
}

.t11-nav {
  display: flex;
  gap: 8px;
  margin-left: auto;
  list-style: none;
  padding: 0;
}

.t11-nav a {
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 12px;
  border-radius: 8px;
  background: #eef8fd;
  color: var(--t11-blue);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}

.t11-nav a.is-active,
.t11-nav a:hover {
  background: var(--t11-blue);
  color: #fff;
  text-decoration: none;
}

.t11-search {
  background: #eef8fd;
  border-bottom: 1px solid var(--t11-line);
  padding: 8px 0;
}

.scout-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.scout-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.scout-category {
  border: 1px solid var(--t11-line);
  background: #fff;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
}

.scout-category.scout-selected {
  border-color: var(--t11-blue);
  color: var(--t11-blue);
}

.scout-form {
  display: flex;
  gap: 8px;
}

.scout-query {
  flex: 1;
  height: 36px;
  border: 1px solid var(--t11-line);
  border-radius: 8px;
  padding: 0 12px;
}

.scout-button {
  height: 36px;
  border: 0;
  border-radius: 8px;
  padding: 0 14px;
  background: var(--t11-blue);
  color: #fff;
  cursor: pointer;
}

.t11-hero {
  padding: 36px 0 28px;
  background:
    radial-gradient(circle at 10% 0%, rgba(42, 171, 238, 0.16), transparent 42%),
    #fff;
}

.t11-hero h1 {
  margin: 0 0 12px;
  font-size: clamp(26px, 5vw, 36px);
  line-height: 1.25;
}

.t11-hero p {
  margin: 0 0 18px;
  color: var(--t11-muted);
}

.t11-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.t11-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 10px;
  font-weight: 700;
  text-decoration: none !important;
}

.t11-btn--primary {
  background: var(--t11-blue);
  color: #fff;
}

.t11-btn--ghost {
  background: #fff;
  color: var(--t11-blue);
  border: 1px solid rgba(42, 171, 238, 0.35);
}

.t11-section {
  padding: 28px 0;
}

.t11-section h2 {
  margin: 0 0 14px;
  font-size: 22px;
}

.t11-section h3 {
  margin: 20px 0 8px;
  font-size: 17px;
}

.t11-section p,
.t11-section li {
  color: var(--t11-muted);
}

.t11-card {
  background: var(--t11-card);
  border: 1px solid var(--t11-line);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 14px;
}

.t11-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.t11-feat {
  background: var(--t11-card);
  border: 1px solid var(--t11-line);
  border-radius: 12px;
  padding: 14px;
}

.t11-feat h3 {
  margin: 0 0 6px;
  font-size: 15px;
  color: var(--t11-text);
}

.t11-feat p {
  margin: 0;
  font-size: 13px;
}

.t11-ol {
  margin: 0;
  padding-left: 1.2em;
}

.t11-ol li {
  margin: 6px 0;
}

.t11-faq details {
  background: var(--t11-card);
  border: 1px solid var(--t11-line);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 8px;
}

.t11-faq summary {
  cursor: pointer;
  font-weight: 600;
}

.t11-lost {
  max-width: 520px;
  margin: 18vh auto 0;
  padding: 24px 20px;
  text-align: center;
  background: var(--t11-card);
  border: 1px solid var(--t11-line);
  border-radius: 16px;
}

.t11-lost h1 {
  margin: 0 0 10px;
  font-size: 28px;
}

.t11-lost p {
  margin: 0 0 18px;
  color: var(--t11-muted);
}

.site-footer {
  margin-top: 28px;
  padding: 22px 0;
  background: #101828;
  color: #d0d5dd;
}

.site-footer a {
  color: #7cd4f8;
}

.footer-d3 {
  margin-bottom: 10px;
}

.footer-d3 a {
  margin-right: 12px;
  font-size: 13px;
}

.footer-copy {
  margin: 0;
  font-size: 12px;
  color: #98a2b3;
}

.hottag {
  width: min(100% - 28px, var(--t11-wrap));
  margin: 18px auto 0;
  padding: 14px;
  background: var(--t11-card);
  border: 1px solid var(--t11-line);
  border-radius: 12px;
}

.hottag-title h3 {
  margin: 0 0 10px;
  font-size: 15px;
}

.hottagmain {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hottagmain a {
  display: inline-block;
  padding: 5px 10px;
  border-radius: 999px;
  background: #eef8fd;
  color: var(--t11-blue);
  font-size: 12px;
  text-decoration: none;
}

.pc-soft404 {
  max-width: 640px;
  margin: 12vh auto 0;
  padding: 24px 20px;
  text-align: center;
  -webkit-user-select: none;
  user-select: none;
}

.pc-soft404-code {
  margin: 0;
  font-size: 72px;
  font-weight: 700;
  color: #98a2b3;
}

.pc-soft404-title {
  margin: 16px 0 8px;
  font-size: 28px;
}

.pc-soft404-msg {
  margin: 0 0 20px;
  color: #667085;
}

.pc-soft404-kw,
.pc-soft404-des {
  margin: 8px 0 0;
  font-size: 14px;
  word-break: break-word;
}

@media (max-width: 720px) {
  .t11-grid {
    grid-template-columns: 1fr;
  }
}