/* ============================================================
   Areal 测试馆 — 设计系统
   所有类名以 sk- 前缀，避免与原始页面样式冲突
   ============================================================ */

:root {
  --sk-bg: #fbfaf9;
  --sk-bg-soft: #f4f2ef;
  --sk-card: #ffffff;
  --sk-ink: #1b1a19;
  --sk-ink-2: #5c5955;
  --sk-ink-3: #8d8880;
  --sk-line: #e7e3dd;
  --sk-line-2: #f0ece7;
  --sk-accent: #6a5ae0;
  --sk-accent-2: #8b7bf5;
  --sk-accent-soft: #efecff;
  --sk-warm: #f0803c;
  --sk-warm-soft: #fff2e7;
  --sk-ok: #2fa96b;
  --sk-radius: 16px;
  --sk-radius-sm: 10px;
  --sk-shadow: 0 1px 2px rgba(24, 20, 16, .04), 0 8px 24px -12px rgba(24, 20, 16, .12);
  --sk-shadow-lg: 0 2px 4px rgba(24, 20, 16, .05), 0 18px 44px -18px rgba(24, 20, 16, .22);
  --sk-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC",
    "Noto Sans CJK SC", sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--sk-bg);
  color: var(--sk-ink);
  font-family: var(--sk-font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }

/* ---------------- 顶部导航 ---------------- */
.sk-nav {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--sk-line);
}

.sk-nav-in {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.sk-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -.02em;
  flex: none;
}

.sk-logo-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--sk-accent), var(--sk-warm));
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 15px;
  font-weight: 700;
  box-shadow: 0 3px 10px -3px rgba(106, 90, 224, .6);
}

.sk-nav-links { display: flex; gap: 4px; flex: none; }

.sk-nav-links a {
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 14.5px;
  color: var(--sk-ink-2);
  font-weight: 500;
  transition: background .15s, color .15s;
}

.sk-nav-links a:hover { background: var(--sk-bg-soft); color: var(--sk-ink); }
.sk-nav-links a.on { background: var(--sk-accent-soft); color: var(--sk-accent); }

.sk-search {
  flex: 1;
  max-width: 380px;
  margin-left: auto;
  position: relative;
}

.sk-search input {
  width: 100%;
  height: 38px;
  padding: 0 14px 0 36px;
  border: 1px solid var(--sk-line);
  background: var(--sk-bg-soft);
  border-radius: 999px;
  font-size: 14.5px;
  font-family: inherit;
  color: var(--sk-ink);
  outline: none;
  transition: border-color .15s, background .15s, box-shadow .15s;
}

.sk-search input:focus {
  border-color: var(--sk-accent-2);
  background: #fff;
  box-shadow: 0 0 0 3px var(--sk-accent-soft);
}

.sk-search-ico {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--sk-ink-3);
  pointer-events: none;
}

.sk-nav-btn {
  flex: none;
  height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--sk-line);
  background: #fff;
  color: var(--sk-ink-2);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background .15s, border-color .15s, transform .12s;
}

.sk-nav-btn:hover { background: var(--sk-bg-soft); border-color: var(--sk-line); }
.sk-nav-btn:active { transform: scale(.97); }

.sk-nav-btn.p {
  background: var(--sk-accent);
  border-color: var(--sk-accent);
  color: #fff;
}

.sk-nav-btn.p:hover { background: #5a4bd0; }

/* ---------------- 主容器 ---------------- */
.sk-wrap { max-width: 1240px; margin: 0 auto; padding: 0 20px; }

/* ---------------- Hero ---------------- */
.sk-hero {
  padding: 54px 0 34px;
  text-align: center;
  background:
    radial-gradient(900px 320px at 50% -80px, #efeaff 0%, rgba(239, 234, 255, 0) 70%),
    var(--sk-bg);
}

.sk-hero h1 {
  margin: 0 0 12px;
  font-size: clamp(29px, 5.2vw, 46px);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -.03em;
}

.sk-hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--sk-accent), var(--sk-warm));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.sk-hero p {
  margin: 0 auto 26px;
  max-width: 620px;
  color: var(--sk-ink-2);
  font-size: 16.5px;
}

.sk-hero-search {
  position: relative;
  max-width: 560px;
  margin: 0 auto 16px;
}

.sk-hero-search input {
  width: 100%;
  height: 54px;
  padding: 0 18px 0 50px;
  border: 1px solid var(--sk-line);
  border-radius: 16px;
  font-size: 16.5px;
  font-family: inherit;
  outline: none;
  background: #fff;
  box-shadow: var(--sk-shadow);
  transition: border-color .15s, box-shadow .15s;
}

.sk-hero-search input:focus {
  border-color: var(--sk-accent-2);
  box-shadow: 0 0 0 4px var(--sk-accent-soft), var(--sk-shadow);
}

.sk-hero-search .sk-search-ico { left: 18px; width: 20px; height: 20px; }
.sk-hero-search .sk-search-ico svg { width: 20px; height: 20px; }

.sk-hero-stats {
  display: flex;
  justify-content: center;
  gap: 28px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.sk-stat b {
  display: block;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.02em;
}

.sk-stat span { font-size: 13px; color: var(--sk-ink-3); }

/* ---------------- 区块 ---------------- */
.sk-sec { padding: 30px 0 8px; }

.sk-sec-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.sk-sec-head h2 {
  margin: 0;
  font-size: 21px;
  font-weight: 750;
  letter-spacing: -.02em;
}

.sk-sec-head .sk-more {
  margin-left: auto;
  font-size: 14px;
  color: var(--sk-accent);
  font-weight: 600;
}

.sk-sec-head .sk-more:hover { text-decoration: underline; }

/* ---------------- 卡片网格 ---------------- */
.sk-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(212px, 1fr));
  gap: 16px;
}

.sk-card {
  background: var(--sk-card);
  border: 1px solid var(--sk-line);
  border-radius: var(--sk-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .16s cubic-bezier(.2, .8, .3, 1), box-shadow .16s, border-color .16s;
}

.sk-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--sk-shadow-lg);
  border-color: #dcd6cd;
}

.sk-cover {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #ece8ff, #fff0e6);
  position: relative;
  overflow: hidden;
}

.sk-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity .35s;
}

.sk-cover img.on { opacity: 1; }

.sk-cover-em {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 42px;
  filter: saturate(1.1);
}

.sk-cover img.on ~ .sk-cover-em { display: none; }

.sk-badge {
  position: absolute;
  left: 10px;
  top: 10px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  background: rgba(255, 255, 255, .92);
  color: var(--sk-ink-2);
  backdrop-filter: blur(4px);
}

.sk-badge.k-game { background: rgba(46, 168, 108, .92); color: #fff; }
.sk-badge.k-tool { background: rgba(240, 128, 60, .92); color: #fff; }
.sk-badge.k-interactive { background: rgba(106, 90, 224, .92); color: #fff; }

.sk-card-b { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 6px; flex: 1; }

.sk-card-t {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -.01em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sk-card-d {
  font-size: 12.8px;
  color: var(--sk-ink-3);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
}

.sk-card-m {
  margin-top: auto;
  padding-top: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--sk-ink-3);
}

.sk-chip {
  padding: 2px 8px;
  border-radius: 6px;
  background: var(--sk-bg-soft);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--sk-ink-2);
}

/* ---------------- 分类卡 ---------------- */
.sk-cats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: 12px;
}

.sk-cat {
  background: #fff;
  border: 1px solid var(--sk-line);
  border-radius: 14px;
  padding: 15px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: transform .15s, box-shadow .15s, border-color .15s;
}

.sk-cat:hover {
  transform: translateY(-2px);
  box-shadow: var(--sk-shadow);
  border-color: #dcd6cd;
}

.sk-cat-ic {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  font-size: 20px;
  background: var(--sk-bg-soft);
  flex: none;
}

.sk-cat-n { font-weight: 700; font-size: 14.5px; }
.sk-cat-c { font-size: 12px; color: var(--sk-ink-3); }

/* ---------------- 筛选条 ---------------- */
.sk-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  padding: 18px 0 6px;
}

.sk-f {
  padding: 6px 13px;
  border-radius: 999px;
  border: 1px solid var(--sk-line);
  background: #fff;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--sk-ink-2);
  cursor: pointer;
  transition: all .14s;
}

.sk-f:hover { border-color: #cfc8be; }
.sk-f.on { background: var(--sk-ink); border-color: var(--sk-ink); color: #fff; }

.sk-count { font-size: 13.5px; color: var(--sk-ink-3); margin-left: auto; }

/* ---------------- 分页/加载 ---------------- */
.sk-more-wrap { text-align: center; padding: 30px 0 10px; }

.sk-btn {
  height: 44px;
  padding: 0 24px;
  border-radius: 12px;
  border: 1px solid var(--sk-line);
  background: #fff;
  font-size: 15px;
  font-weight: 650;
  cursor: pointer;
  transition: background .15s, transform .12s;
}

.sk-btn:hover { background: var(--sk-bg-soft); }
.sk-btn:active { transform: scale(.98); }

.sk-empty {
  text-align: center;
  padding: 70px 20px;
  color: var(--sk-ink-3);
}

/* ---------------- 页脚 ---------------- */
.sk-footer {
  margin-top: 56px;
  border-top: 1px solid var(--sk-line);
  background: #fff;
  padding: 30px 0 26px;
  font-size: 13.5px;
  color: var(--sk-ink-3);
}

.sk-footer-in {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
}

.sk-footer a:hover { color: var(--sk-ink); text-decoration: underline; }
.sk-footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.sk-footer .fl { margin-left: auto; }

/* ---------------- 面包屑 ---------------- */
.sk-crumb {
  font-size: 13px;
  color: var(--sk-ink-3);
  padding: 16px 0 0;
  display: flex;
  gap: 7px;
  align-items: center;
  flex-wrap: wrap;
}

.sk-crumb a:hover { color: var(--sk-accent); }

/* ---------------- 移动端 ---------------- */
@media (max-width: 860px) {
  .sk-nav-links { display: none; }
  .sk-nav-in { height: 56px; gap: 10px; }
  .sk-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
  .sk-cats { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
  .sk-hero { padding: 34px 0 24px; }
  .sk-hero-stats { gap: 20px; }
}

@media (max-width: 560px) {
  .sk-search { max-width: none; }
  .sk-nav-btn.hide-sm { display: none; }
}