:root {
  --bg: #0b0d12;
  --card: #12151c;
  --text: #e8ecf1;
  --muted: #9aa3ad;
  --primary: #4da3ff;
  --primary-2: #77bbff;
  --accent: #ffd166;
  --border: #1f2430;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 600px at 10% 10%, #0f1320 0%, var(--bg) 60%);
}

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
  background: color-mix(in oklab, var(--bg) 86%, transparent);
  border-bottom: 1px solid var(--border);
  z-index: 50;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.site-nav { display:flex; flex-wrap: nowrap; gap: 6px; overflow-x: auto; white-space: nowrap; }
.site-title { font-size: 22px; letter-spacing: 1px; }
.site-nav a {
  color: var(--text);
  text-decoration: none;
  margin-left: 12px;
  opacity: .9;
}
.site-nav a:hover { color: var(--primary); }

.hero {
  padding: 48px 0 26px;
  text-align: center;
}
.hero h2 { font-size: 40px; margin: 0 0 8px; }
.hero p { color: var(--muted); margin: 0; }

.section { padding: 28px 0; }
.section h3 { margin: 0 0 14px; font-size: 22px; }
.section-head { display: flex; align-items: center; justify-content: space-between; }
.controls { display: flex; gap: 12px; align-items: center; }
.controls select, .controls input {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 8px;
}

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.link-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }

.card {
  background: linear-gradient(180deg, var(--card), color-mix(in oklab, var(--card), black 10%));
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
}
.card h4 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0 0 12px; color: var(--muted); }
.chip { display: inline-block; border-radius: 999px; padding: 3px 8px; background: #1a1f2b; border: 1px solid var(--border); color: var(--primary-2); font-size: 12px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-radius: 10px;
  border: 1px solid var(--border);
  color: var(--text); text-decoration: none;
  background: #161a24;
}
.btn:hover { border-color: color-mix(in oklab, var(--primary), white 30%); color: var(--primary); }
.btn.primary { background: #17304b; border-color: #244a73; color: var(--primary); }
.btn.primary:hover { background: #183757; }

.site-footer { border-top: 1px solid var(--border); padding: 28px 0; color: var(--muted); text-align: center; }

/* 浏览器专区统一为常规 section 样式（去除特殊加深主题） */

@media (max-width: 860px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .link-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .grid { grid-template-columns: 1fr; }
  .hero h2 { font-size: 32px; }
}

/* 宸茬Щ闄ゅ紑鍙戣€呮ā寮忔牱寮?*/

/* 全站登录遮罩（未登录时阻止使用功能） */
.auth-overlay { position: fixed; left: 0; right: 0; top: 0; bottom: 0; background: rgba(14, 18, 26, 0.7); backdrop-filter: blur(4px); z-index: 9999; display:flex; align-items:center; justify-content:center; padding: 16px; }
.auth-overlay .panel { max-width: 560px; width: 100%; background: #12151c; border: 1px solid var(--border); border-radius: 12px; box-shadow: 0 8px 24px rgba(0,0,0,0.25); padding: 16px; text-align: center; }
.auth-overlay h4 { margin-top: 0; }

/* 任务进度条 */
.progress { width: 100%; height: 10px; background: #0f1320; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.progress-bar { height: 100%; width: 0%; background: linear-gradient(90deg, #4da3ff, #77bbff); transition: width 0.5s ease; }