/* 长风工具箱 — 对齐 www twilight / id.cflmy.cn 极简黑白 */

.tools-body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
  position: relative;
}

.tools-body > *:not(.bg-decoration) {
  position: relative;
  z-index: 1;
}

.tools-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: var(--header-bg, rgba(255, 255, 255, 0.82));
  border-bottom: 1px solid var(--border);
}

.tools-topbar-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.tools-topbar-links {
  flex: 1;
}

.tools-topbar-user {
  display: flex;
  gap: 12px;
  align-items: center;
}

.tools-main {
  max-width: 1000px;
  margin: 0 auto;
  padding: 56px 22px 80px;
}

.tools-hero {
  max-width: 36rem;
}

.tools-hero h1 {
  font-size: clamp(2rem, 4.2vw, 2.75rem);
  font-weight: 600;
  margin: 0 0 12px;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.tools-hero .lead {
  margin: 0;
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.65;
}

.tools-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 24px;
  padding: 12px 22px;
  border-radius: 980px;
  border: 1px solid var(--btn-accent-border, var(--text));
  background: var(--btn-accent-bg, var(--text));
  color: var(--btn-accent-text, var(--bg));
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: opacity 0.15s ease, background 0.15s ease;
}

.tools-cta:hover {
  opacity: 0.88;
  background: var(--accent-hover, #333);
  border-color: var(--accent-hover, #333);
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 48px;
}

.tool-card {
  display: block;
  padding: 24px 22px;
  border-radius: 14px;
  background: var(--surface-solid, var(--bg));
  border: 1px solid var(--border);
  box-shadow: var(--btn-shadow, 0 1px 2px rgba(0, 0, 0, 0.06));
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

a.tool-card:hover {
  transform: translateY(-2px);
  border-color: var(--text);
  box-shadow: var(--shadow, 0 8px 28px rgba(0, 0, 0, 0.06));
}

.tool-card h2 {
  margin: 0 0 8px;
  font-size: 1.12rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.tool-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.tool-card--static {
  background: var(--bg-alt, #f5f5f7);
}

.tools-legal {
  max-width: 40rem;
  line-height: 1.7;
}

.tools-legal h1 {
  margin-top: 0;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.tools-legal .meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.tools-legal ul {
  padding-left: 1.2rem;
}

.tools-footer {
  max-width: 1000px;
  margin: 0 auto;
  padding: 24px 22px 48px;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

.tools-footer a {
  color: inherit;
  text-decoration: none;
}

.tools-footer a:hover {
  color: var(--text);
}

.muted {
  color: var(--muted);
}

@media (max-width: 640px) {
  .tools-main {
    padding: 36px 18px 64px;
  }

  .tools-topbar-inner {
    padding: 12px 16px;
  }
}