/* ===== Yusite Design System v3 2026-06-09 ===== */

* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #06060b;
  --bg-elev: #0e0e17;
  --bg-card: #151520;
  --bg-card-hover: #1c1c2b;
  --border: #252536;
  --border-strong: #35355a;
  --text: #f5f5fa;
  --text-mid: #c4c4d8;
  --text-dim: #8a8a9e;
  --text-faint: #5a5a70;
  --accent: #a78bfa;
  --accent-2: #60a5fa;
  --accent-3: #f472b6;
  --green: #4ade80;
  --green-dim: rgba(74,222,128,0.15);
  --yellow: #fbbf24;
  --red: #f87171;
  --orange: #fb923c;
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-sm: 0 4px 12px rgba(0,0,0,0.35);
  --shadow-md: 0 12px 32px rgba(0,0,0,0.45);
  --shadow-lg: 0 24px 64px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 0 1px rgba(167,139,250,0.25), 0 12px 40px rgba(167,139,250,0.12);
}
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "tnum" 1;
}
code, pre { font-family: "JetBrains Mono", "SF Mono", "Monaco", monospace; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }

/* ===== Header ===== */
header {
  position: sticky; top: 0; z-index: 50;
  padding: 16px 32px;
  background: rgba(6, 6, 11, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
header .logo {
  font-size: 1.25rem; font-weight: 800; text-decoration: none;
  color: var(--text); letter-spacing: -0.02em;
}
header .logo span { color: var(--accent); }
header nav { display: flex; gap: 4px; align-items: center; flex-wrap: wrap; }
header nav a {
  color: var(--text-dim); text-decoration: none;
  padding: 7px 12px; border-radius: 8px; font-size: 0.88rem;
  transition: all 0.2s; font-weight: 500;
}
header nav a:hover { color: var(--text); background: var(--bg-card); }

/* ===== Hero（全新封面） ===== */
.hero {
  position: relative;
  text-align: center;
  padding: 120px 32px 100px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; top: -80%; left: 50%;
  transform: translateX(-50%);
  width: 1100px; height: 1100px;
  background: radial-gradient(circle, rgba(124,58,237,0.22) 0%, transparent 50%);
  pointer-events: none; z-index: 0;
}
.hero::after {
  content: "";
  position: absolute; top: -10%; right: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(96,165,250,0.18) 0%, transparent 60%);
  pointer-events: none; z-index: 0;
}
.hero > * { position: relative; z-index: 1; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px;
  background: rgba(21,21,32,0.7);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.88rem; color: var(--text-mid);
  margin-bottom: 32px; font-weight: 500;
  backdrop-filter: blur(10px);
}
.hero-eyebrow .pulse {
  width: 9px; height: 9px; border-radius: 50%; background: var(--green);
  box-shadow: 0 0 0 0 var(--green); animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(74,222,128,0.5); }
  70% { box-shadow: 0 0 0 10px rgba(74,222,128,0); }
  100% { box-shadow: 0 0 0 0 rgba(74,222,128,0); }
}
.hero h1 {
  font-size: 5rem; font-weight: 800;
  letter-spacing: -0.04em; line-height: 1;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #a78bfa 0%, #60a5fa 50%, #f472b6 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .lede {
  color: var(--text-mid); font-size: 1.25rem;
  max-width: 720px; margin: 0 auto 40px; line-height: 1.6;
}
.badges { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.badge {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 16px;
  background: rgba(21,21,32,0.75);
  border: 1px solid var(--border);
  border-radius: 999px; font-size: 0.88rem;
  color: var(--text-mid); backdrop-filter: blur(10px);
  transition: all 0.2s;
}
.badge:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.badge .dot.blue { background: var(--accent-2); }
.badge .dot.purple { background: var(--accent); }

/* ===== Search box ===== */
.search-box { max-width: 680px; margin: 48px auto 0; position: relative; }
.search-box input {
  width: 100%; padding: 18px 24px 18px 52px; font-size: 1.05rem;
  background: rgba(21,21,32,0.8); color: var(--text);
  border: 1px solid var(--border); border-radius: 16px;
  outline: none; transition: all 0.2s;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
}
.search-box::before {
  content: "🔍";
  position: absolute; left: 20px; top: 50%;
  transform: translateY(-50%); font-size: 1.1rem;
  pointer-events: none; opacity: 0.7;
}
.search-box input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(167,139,250,0.15), 0 12px 32px rgba(0,0,0,0.4);
}
.search-box input::placeholder { color: var(--text-faint); }
.search-results {
  position: absolute; top: calc(100% + 10px); left: 0; right: 0;
  max-height: 480px; overflow-y: auto;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 16px; box-shadow: var(--shadow-lg);
  display: none; z-index: 100;
  backdrop-filter: blur(20px);
}
.search-results.active { display: block; }
.search-result-item {
  display: block; padding: 16px 20px;
  text-decoration: none; color: var(--text);
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}
.search-result-item:hover { background: var(--bg-card); }
.search-result-item:last-child { border-bottom: none; border-radius: 0 0 16px 16px; }
.search-result-item:first-child { border-radius: 16px 16px 0 0; }
.search-result-item .name { font-weight: 600; margin-bottom: 4px; font-size: 1rem; }
.search-result-item .cat { font-size: 0.82rem; color: var(--text-dim); }
.search-result-item .desc { font-size: 0.88rem; color: var(--text-dim); margin-top: 6px; }
.search-empty { padding: 32px; text-align: center; color: var(--text-dim); }
.search-empty .icon { font-size: 2.5rem; margin-bottom: 12px; opacity: 0.5; }

/* ===== Stats ===== */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  padding: 12px 32px 48px; max-width: 1280px; margin: 0 auto;
}
.stat {
  background: linear-gradient(135deg, rgba(21,21,32,0.9), rgba(14,14,23,0.9));
  border: 1px solid var(--border);
  border-radius: 18px; padding: 28px 24px; text-align: center;
  transition: all 0.25s; position: relative; overflow: hidden;
}
.stat::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
  opacity: 0.7;
}
.stat:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md), 0 0 40px rgba(124,58,237,0.1);
}
.stat .num {
  font-size: 2.5rem; font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat .label { font-size: 0.88rem; color: var(--text-dim); margin-top: 8px; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; }

/* ===== Top banner ===== */
.top-banner {
  margin: 0 auto 56px; max-width: 1280px; padding: 18px 28px;
  background: rgba(124,58,237,0.12);
  border: 1px solid rgba(124,58,237,0.35);
  border-radius: 16px;
  display: flex; align-items: center; gap: 14px;
  font-size: 0.95rem;
  position: relative; overflow: hidden;
  backdrop-filter: blur(10px);
}
.top-banner::after {
  content: ""; position: absolute; top: 0; right: 0;
  width: 300px; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(167,139,250,0.08));
  pointer-events: none;
}
.top-banner .icon { font-size: 1.5rem; position: relative; }
.top-banner .text { flex: 1; color: var(--text); position: relative; }
.top-banner .text strong { color: var(--accent); }
.top-banner .action {
  padding: 9px 20px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white; text-decoration: none;
  border-radius: 10px; font-size: 0.88rem; font-weight: 600;
  transition: all 0.2s; position: relative;
}
.top-banner .action:hover { transform: translateX(3px); box-shadow: 0 6px 20px rgba(124,58,237,0.4); }

/* ===== Category nav ===== */
.cat-nav {
  position: sticky; top: 60px; z-index: 20;
  background: rgba(6, 6, 11, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0; margin-bottom: 64px;
}
.cat-nav .container { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.cat-nav a {
  color: var(--text-dim); text-decoration: none;
  padding: 8px 16px; border-radius: 999px;
  font-size: 0.92rem; transition: all 0.2s; font-weight: 500;
}
.cat-nav a:hover, .cat-nav a.active {
  background: var(--bg-card); color: var(--text);
  border: 1px solid var(--border);
}

/* ===== Section ===== */
section.category { padding: 0 32px 80px; max-width: 1280px; margin: 0 auto; }
section.category h2 {
  font-size: 1.75rem; font-weight: 700; margin-bottom: 10px;
  display: flex; align-items: center; gap: 14px;
  letter-spacing: -0.02em;
}
section.category h2 .emoji { font-size: 2rem; }
section.category h2 .count {
  font-size: 0.82rem; font-weight: 600;
  padding: 3px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-dim);
}
section.category .desc { color: var(--text-dim); margin-bottom: 28px; font-size: 0.98rem; max-width: 780px; }

/* ===== Card grid ===== */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: 18px; }
.card {
  position: relative;
  background: linear-gradient(145deg, var(--bg-card) 0%, rgba(21,21,32,0.6) 100%);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none; color: inherit; display: block;
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(167,139,250,0.06) 100%);
  opacity: 0; transition: opacity 0.25s; pointer-events: none;
}
.card:hover {
  border-color: rgba(124,58,237,0.6);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.card:hover::before { opacity: 1; }
.card:hover .card-logo { transform: scale(1.08) rotate(-2deg); }
.card-head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; position: relative; }
.card-logo {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.1rem; color: white;
  flex-shrink: 0;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 6px 16px rgba(0,0,0,0.4);
}
.card-title-wrap { flex: 1; min-width: 0; }
.card-rating-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 4px; }
.card-title { font-size: 1.08rem; font-weight: 700; letter-spacing: -0.01em; }
.card-rating { color: var(--yellow); font-size: 0.88rem; letter-spacing: 1px; }
.card-desc { color: var(--text-mid); font-size: 0.9rem; margin-bottom: 16px; min-height: 2.8em; line-height: 1.55; position: relative; }
.card-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; position: relative; }
.tag {
  font-size: 0.76rem; padding: 4px 10px; border-radius: 6px;
  background: var(--bg-elev); color: var(--text-dim); font-weight: 500;
}
.tag.free { background: var(--green-dim); color: var(--green); }
.tag.paid { background: rgba(251,191,36,0.15); color: var(--yellow); }
.tag.oss { background: rgba(96,165,250,0.15); color: var(--accent-2); }
.card-cta {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 16px; border-top: 1px solid var(--border);
  font-size: 0.88rem; position: relative;
}
.card-cta .price { color: var(--text-mid); font-weight: 500; }
.card-cta .go {
  color: var(--accent); font-weight: 700; font-size: 1rem;
  transition: transform 0.2s; display: inline-block;
}
.card:hover .card-cta .go { transform: translateX(6px); }

/* ===== Trending section（横向滚动大卡片） ===== */
.trending {
  max-width: 1280px; margin: 0 auto 80px;
  padding: 0 32px;
}
.trending-header {
  display: flex; align-items: baseline; gap: 14px;
  margin-bottom: 24px; flex-wrap: wrap;
}
.trending-header h2 {
  font-size: 1.5rem; font-weight: 700; display: flex; align-items: center; gap: 10px;
}
.trending-header h2 .emoji { font-size: 1.8rem; }
.trending-header .section-meta { font-size: 0.85rem; color: var(--text-dim); }
.trending-scroller {
  position: relative;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 16px;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}
.trending-scroller::-webkit-scrollbar { height: 8px; }
.trending-scroller::-webkit-scrollbar-track { background: transparent; }
.trending-scroller::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }
.trending-track {
  display: flex;
  gap: 16px;
  width: max-content;
}
.trend-item {
  display: flex; align-items: center; gap: 18px;
  width: 420px; flex-shrink: 0;
  padding: 22px 24px;
  background: linear-gradient(150deg, var(--bg-card) 0%, rgba(21,21,32,0.7) 100%);
  border: 1px solid var(--border);
  border-radius: 18px;
  text-decoration: none; color: inherit;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative; overflow: hidden;
}
.trend-item::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 30%, rgba(167,139,250,0.08) 100%);
  opacity: 0; transition: opacity 0.25s; pointer-events: none;
}
.trend-item:hover {
  border-color: rgba(124,58,237,0.6);
  transform: translateY(-3px) scale(1.01);
  box-shadow: var(--shadow-glow);
}
.trend-item:hover::before { opacity: 1; }
.trend-rank {
  font-size: 1.6rem; font-weight: 900;
  color: var(--text-dim);
  min-width: 52px; text-align: center;
  font-feature-settings: "tnum";
}
.trend-item:nth-child(1) .trend-rank { color: #f87171; }
.trend-item:nth-child(2) .trend-rank { color: #fbbf24; }
.trend-item:nth-child(3) .trend-rank { color: #4ade80; }
.trend-body { flex: 1; min-width: 0; }
.trend-name {
  font-size: 1rem; font-weight: 700;
  margin-bottom: 6px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.trend-stats {
  display: flex; gap: 10px; margin-bottom: 6px;
  font-size: 0.85rem;
}
.trend-stars { color: var(--yellow); font-weight: 600; }
.trend-lang {
  color: var(--text-dim);
  padding: 1px 7px;
  background: var(--bg-elev);
  border-radius: 4px;
  font-size: 0.78rem;
}
.trend-desc {
  font-size: 0.85rem; color: var(--text-mid);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.trend-arrow {
  font-size: 1.3rem; font-weight: 800;
  color: var(--accent);
  transition: transform 0.2s;
}
.trend-item:hover .trend-arrow { transform: translateX(5px); }
.trending-fade {
  position: sticky; right: 0; top: 0; bottom: 0;
  width: 80px;
  background: linear-gradient(90deg, transparent, var(--bg));
  pointer-events: none;
  margin-left: -80px; float: right;
}

/* ===== Reviews section ===== */
.reviews-section {
  max-width: 1280px; margin: 0 auto 80px;
  padding: 40px 32px;
}
.reviews-section h2 {
  font-size: 1.75rem; font-weight: 700; margin-bottom: 8px;
  display: flex; align-items: center; gap: 14px;
}
.reviews-section h2 .emoji { font-size: 2rem; }
.reviews-section .desc { color: var(--text-dim); margin-bottom: 28px; }
.reviews-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 18px; }
.review-card {
  background: linear-gradient(150deg, var(--bg-card) 0%, rgba(21,21,32,0.8) 100%);
  border: 1px solid var(--border);
  border-radius: 16px; padding: 22px;
  text-decoration: none; color: inherit; display: block;
  transition: all 0.25s;
}
.review-card:hover {
  border-color: rgba(124,58,237,0.5);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md), 0 0 40px rgba(124,58,237,0.08);
}
.review-card .review-logo {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.1rem; color: white;
  margin-bottom: 14px;
}
.review-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
.review-card .meta { font-size: 0.85rem; color: var(--text-dim); }

/* ===== Footer ===== */
footer {
  padding: 80px 32px 48px;
  border-top: 1px solid var(--border);
  margin-top: 80px;
  background: linear-gradient(180deg, transparent 0%, rgba(124,58,237,0.04) 100%);
}
.footer-grid {
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 56px;
}
.footer-brand .logo { font-size: 1.4rem; font-weight: 800; color: var(--text); margin-bottom: 14px; letter-spacing: -0.02em; }
.footer-brand .logo span { color: var(--accent); }
.footer-brand p { color: var(--text-dim); font-size: 0.92rem; line-height: 1.65; max-width: 340px; }
.footer-col h4 {
  font-size: 0.82rem; font-weight: 700; color: var(--text-mid);
  text-transform: uppercase; letter-spacing: 0.1em;
  margin-bottom: 18px;
}
.footer-col a {
  display: block; color: var(--text-dim); text-decoration: none;
  font-size: 0.92rem; padding: 6px 0; transition: all 0.2s;
}
.footer-col a:hover { color: var(--accent); transform: translateX(3px); }
.footer-bottom {
  max-width: 1280px; margin: 0 auto;
  padding-top: 32px; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
  color: var(--text-dim); font-size: 0.88rem;
}
.footer-bottom .links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-bottom .links a { color: var(--text-dim); text-decoration: none; transition: color 0.2s; }
.footer-bottom .links a:hover { color: var(--accent); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid, .trending-grid, .reviews-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 640px) {
  .hero { padding: 70px 20px 56px; }
  .hero h1 { font-size: 2.8rem; }
  .hero .lede { font-size: 1.05rem; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .footer-grid { grid-template-columns: 1fr; }
  header { padding: 12px 20px; }
  header nav a { font-size: 0.82rem; padding: 6px 10px; }
  .container, section.category { padding-left: 20px; padding-right: 20px; }
}