/* =====================================================================
   macv.net — macOS Big Sur/Sonoma glass design system
   ===================================================================== */

:root {
  /* 亮色 */
  --bg:               #f5f5f7;
  --bg-elevated:      #ffffff;
  --bg-grad-1:        #d6e4ff;
  --bg-grad-2:        #e8d5ff;
  --bg-grad-3:        #ffd6e0;
  --text:             #1d1d1f;
  --text-secondary:   #6e6e73;
  --text-tertiary:    #86868b;
  --border:           rgba(0,0,0,0.10);
  --border-soft:      rgba(0,0,0,0.06);
  --glass-bg:         rgba(255,255,255,0.65);
  --glass-border:     rgba(255,255,255,0.55);
  --glass-shadow:     0 1px 2px rgba(0,0,0,0.04), 0 8px 28px rgba(0,0,0,0.06);
  --card-bg:          rgba(255,255,255,0.72);
  --accent:           #007aff;
  --accent-hover:     #0066d6;
  --accent-soft:      rgba(0,122,255,0.12);
  --green:            #34c759;
  --orange:           #ff9500;
  --red:              #ff3b30;
  --radius-sm:        10px;
  --radius:           18px;
  --radius-lg:        24px;
  --radius-xl:        32px;
  --shadow-card:      0 1px 3px rgba(0,0,0,0.06), 0 6px 20px rgba(0,0,0,0.05);
  --shadow-pop:       0 12px 40px rgba(0,0,0,0.12);
  --font:             -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
                       "Helvetica Neue", "PingFang SC", "Hiragino Sans GB",
                       "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
  --mono:             "SF Mono", ui-monospace, Menlo, Consolas, monospace;
}

[data-theme="dark"] {
  --bg:               #000000;
  --bg-elevated:      #1c1c1e;
  --bg-grad-1:        #1a2a44;
  --bg-grad-2:        #2a1a3a;
  --bg-grad-3:        #3a1a26;
  --text:             #f5f5f7;
  --text-secondary:   #a1a1a6;
  --text-tertiary:    #6e6e73;
  --border:           rgba(255,255,255,0.14);
  --border-soft:      rgba(255,255,255,0.08);
  --glass-bg:         rgba(40,40,42,0.62);
  --glass-border:     rgba(255,255,255,0.10);
  --glass-shadow:     0 1px 2px rgba(0,0,0,0.30), 0 8px 28px rgba(0,0,0,0.45);
  --card-bg:          rgba(44,44,46,0.66);
  --accent-soft:      rgba(10,132,255,0.22);
  --shadow-card:      0 1px 3px rgba(0,0,0,0.4), 0 6px 20px rgba(0,0,0,0.35);
  --shadow-pop:       0 12px 40px rgba(0,0,0,0.6);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  line-height: 1.5;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* 多彩渐变背景画布 */
body::before {
  content: "";
  position: fixed;
  inset: -10vmax;
  z-index: -1;
  background:
    radial-gradient(40vmax 40vmax at 8% 0%, var(--bg-grad-1), transparent 55%),
    radial-gradient(38vmax 38vmax at 100% 6%, var(--bg-grad-2), transparent 55%),
    radial-gradient(36vmax 36vmax at 50% 100%, var(--bg-grad-3), transparent 55%);
  filter: blur(20px) saturate(120%);
  opacity: 0.55;
  transition: opacity 0.5s;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

img { max-width: 100%; display: block; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 22px;
}

/* ===================== 顶部玻璃导航栏 ===================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}
.navbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 56px;
  padding: 0 22px;
  display: flex;
  align-items: center;
  gap: 18px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.02em;
  color: var(--text);
  flex-shrink: 0;
}
.brand-logo {
  width: 30px; height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, #0a84ff, #5e5ce6);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 2px 8px rgba(0,122,255,0.35);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-links a {
  color: var(--text);
  padding: 6px 12px;
  border-radius: 980px;
  font-size: 14px;
  font-weight: 500;
  transition: background 0.2s, color 0.2s;
}
.nav-links a:hover {
  background: var(--accent-soft);
  color: var(--accent);
}

/* 导航分类下拉 */
.nav-dropdown { position: relative; }
.nav-dd-toggle { cursor: pointer; }
.nav-dropdown .caret { font-size: 11px; opacity: .7; margin-left: 2px; transition: transform .2s; }
.nav-dropdown:hover .caret { transform: rotate(180deg); }
.nav-dd-menu {
  position: absolute;
  top: calc(100% + 6px); left: 0;
  min-width: 200px;
  background: var(--glass-bg);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-pop);
  padding: 6px;
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  z-index: 200;
}
.nav-dropdown:hover .nav-dd-menu { display: grid; animation: pop 0.16s ease; }
.nav-dd-menu a {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px; border-radius: 10px;
  color: var(--text); font-size: 13px; font-weight: 500;
  white-space: nowrap;
}
.nav-dd-menu a:hover { background: var(--accent-soft); color: var(--accent); }
.nav-dd-menu .dd-ico { font-size: 16px; }
.nav-spacer { flex: 1; }

/* 搜索框 */
.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--card-bg);
  border: 1px solid var(--border-soft);
  border-radius: 980px;
  padding: 6px 14px;
  min-width: 220px;
  transition: border 0.2s, box-shadow 0.2s;
}
.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.search-box input {
  border: none;
  background: transparent;
  outline: none;
  font: inherit;
  color: var(--text);
  width: 100%;
}
.search-box input::placeholder { color: var(--text-tertiary); }

/* 工具按钮（图标） */
.icon-btn {
  width: 36px; height: 36px;
  display: grid;
  place-items: center;
  border-radius: 980px;
  border: 1px solid var(--border-soft);
  background: var(--card-bg);
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  font-size: 16px;
}
.icon-btn:hover { background: var(--accent-soft); transform: translateY(-1px); }

/* 语言下拉 */
.lang-dropdown { position: relative; }
.lang-menu {
  position: absolute;
  right: 0; top: calc(100% + 8px);
  background: var(--glass-bg);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-pop);
  padding: 6px;
  min-width: 168px;
  display: none;
  z-index: 200;
}
.lang-menu.open { display: block; animation: pop 0.16s ease; }
.lang-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 12px;
  color: var(--text);
  font-size: 14px;
}
.lang-menu a:hover { background: var(--accent-soft); color: var(--accent); }
.lang-menu a.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }

@keyframes pop {
  from { opacity: 0; transform: translateY(-6px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ===================== Hero ===================== */
.hero {
  text-align: center;
  padding: 88px 22px 40px;
}
.hero h1 {
  font-size: clamp(34px, 6vw, 58px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
  background: linear-gradient(180deg, var(--text) 30%, var(--text-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p {
  margin-top: 16px;
  font-size: clamp(16px, 2vw, 21px);
  color: var(--text-secondary);
  max-width: 640px;
  margin-left: auto; margin-right: auto;
}

/* Hero 双栏: 文案 + Mac mockup */
.hero-row {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
  max-width: 1160px;
  margin: 0 auto;
  text-align: left;
  padding: 72px 22px 30px;
}
.hero-row .hero-text { text-align: left; }
.hero-row .hero-text h1 {
  font-size: clamp(34px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.08;
  background: linear-gradient(180deg, var(--text) 30%, var(--text-secondary));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-row .hero-text p {
  margin: 18px 0 26px;
  font-size: clamp(15px, 1.8vw, 19px);
  color: var(--text-secondary);
  max-width: 480px;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

/* Mac 窗口 mockup */
.mac-mock {
  position: relative;
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(255,255,255,0.7), rgba(255,255,255,0.4));
  border: 1px solid var(--glass-border);
  box-shadow: 0 24px 60px rgba(0,0,0,0.16), 0 2px 8px rgba(0,0,0,0.06);
  overflow: hidden;
  transform: perspective(1200px) rotateY(-9deg) rotateX(3deg) rotate(1deg);
}
[data-theme="dark"] .mac-mock { background: linear-gradient(145deg, rgba(44,44,46,0.85), rgba(28,28,30,0.7)); }
.mac-mock-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 11px 14px;
  background: rgba(0,0,0,0.04);
  border-bottom: 1px solid var(--border-soft);
}
[data-theme="dark"] .mac-mock-bar { background: rgba(0,0,0,0.25); }
.mac-mock-bar .dot { width: 12px; height: 12px; border-radius: 50%; }
.mac-mock-bar .d1 { background: #ff5f57; }
.mac-mock-bar .d2 { background: #febc2e; }
.mac-mock-bar .d3 { background: #28c840; }
.mac-mock-bar .tt { margin-left: 10px; font-size: 12px; color: var(--text-tertiary); font-weight: 500; }
.mac-mock-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 24px;
}
.mock-app { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.mock-app .mi {
  width: 56px; height: 56px; border-radius: 14px;
  display: grid; place-items: center;
  color: #fff; font-size: 24px; font-weight: 700;
  box-shadow: 0 6px 16px rgba(0,0,0,0.18);
  overflow: hidden;
}
.mock-app .mi img { width: 100%; height: 100%; object-fit: contain; padding: 8px; background: var(--bg-elevated); border-radius: 14px; }
.mock-app .ml { font-size: 11px; color: var(--text-tertiary); }
.mac-dock {
  display: flex; gap: 10px; justify-content: center;
  padding: 14px; border-top: 1px solid var(--border-soft);
  background: var(--glass-bg); backdrop-filter: blur(14px);
}
.mac-dock .di {
  width: 38px; height: 38px; border-radius: 10px;
  display: grid; place-items: center; color: #fff; font-size: 18px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.18);
}
@media (max-width: 880px) {
  .hero-row { grid-template-columns: 1fr; text-align: center; padding-top: 40px; }
  .hero-row .hero-text { text-align: center; }
  .hero-row .hero-text p { margin-left: auto; margin-right: auto; }
  .hero-cta { justify-content: center; }
  .mac-mock { transform: none; }
}

/* ===================== 区块 ===================== */
.section { padding: 40px 0; }
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 22px;
}
.section-head h2 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.section-head a { font-size: 14px; font-weight: 500; }

/* ===================== 软件卡片网格 ===================== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 18px;
}
.card {
  background: var(--card-bg);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 22px 18px 18px;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s cubic-bezier(.2,.7,.3,1), box-shadow 0.25s, border 0.25s;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  overflow: hidden;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-pop);
  border-color: var(--accent);
}
.card-icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), #5e5ce6);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 28px;
  font-weight: 700;
  box-shadow: 0 6px 16px rgba(0,122,255,0.28);
  overflow: hidden;
}
.card-icon img { width: 100%; height: 100%; object-fit: contain; padding: 9px; background: var(--bg-elevated); border-radius: 16px; }
.card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}
.card-dev { font-size: 12px; color: var(--text-tertiary); }
.card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 38px;
}
.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: auto;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 3px 8px;
  border-radius: 980px;
  font-size: 11px;
  font-weight: 600;
}
.badge.free { background: rgba(52,199,89,0.14); color: var(--green); }

/* ===================== 分类胶囊导航 ===================== */
.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  padding: 8px 0 28px;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: 980px;
  padding: 8px 16px;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
  box-shadow: var(--shadow-card);
}
.pill:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.pill .ico { font-size: 18px; }

/* 分类区块（首页分组） */
.cat-section { padding: 30px 0; }
.cat-section h3 {
  font-size: 22px; font-weight: 700; margin-bottom: 18px;
  display: flex; align-items: center; gap: 10px;
}
.cat-section h3 .ico {
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--accent-soft); display: grid; place-items: center; font-size: 20px;
}

/* ===================== 详情页 ===================== */
.detail-hero {
  background: var(--card-bg);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 36px;
  margin-top: 36px;
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 28px;
  align-items: center;
}
.detail-icon {
  width: 132px; height: 132px;
  border-radius: 28px;
  background: linear-gradient(135deg, var(--accent), #5e5ce6);
  display: grid; place-items: center;
  color: #fff; font-size: 56px; font-weight: 700;
  box-shadow: 0 14px 34px rgba(0,122,255,0.32);
  overflow: hidden;
}
.detail-icon img { width: 100%; height: 100%; object-fit: contain; padding: 22px; background: var(--bg-elevated); border-radius: 28px; }
.detail-title { font-size: 36px; font-weight: 700; letter-spacing: -0.02em; }
.detail-dev { color: var(--text-secondary); margin-top: 4px; font-size: 16px; }
.detail-desc-short { color: var(--text-secondary); margin-top: 10px; font-size: 16px; }
.detail-meta { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 18px; font-size: 14px; }
.detail-meta .m { display: flex; flex-direction: column; gap: 2px; }
.detail-meta .m .l { color: var(--text-tertiary); font-size: 12px; }
.detail-meta .m .v { color: var(--text); font-weight: 500; }
.detail-actions { display: flex; gap: 12px; margin-top: 22px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 26px; border-radius: 980px;
  font-size: 15px; font-weight: 600; cursor: pointer;
  border: 1px solid transparent; transition: all 0.2s;
  font-family: inherit;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 6px 18px rgba(0,122,255,0.34); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); color:#fff; }
.btn-ghost { background: var(--card-bg); color: var(--text); border-color: var(--glass-border); }
.btn-ghost:hover { background: var(--accent-soft); color: var(--accent); }

.detail-body {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 28px;
  margin-top: 28px;
}
.panel {
  background: var(--card-bg);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-card);
}
.panel h2 { font-size: 20px; font-weight: 700; margin-bottom: 14px; }
.rich p { margin: 12px 0; color: var(--text-secondary); line-height: 1.7; }
.rich { color: var(--text-secondary); line-height: 1.7; white-space: pre-wrap; }

.shots { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 8px; }
.shots img { width: 100%; border-radius: 12px; border: 1px solid var(--border-soft); box-shadow: var(--shadow-card); }

/* 分页 */
.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 30px; flex-wrap: wrap; }
.pagination li { list-style: none; }
.pagination a, .pagination span {
  display: inline-grid; place-items: center;
  min-width: 36px; height: 36px; padding: 0 10px;
  border-radius: 10px; font-size: 14px; color: var(--text);
  background: var(--card-bg); border: 1px solid var(--border-soft);
}
.pagination .active span, .pagination a:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.pagination .disabled span { color: var(--text-tertiary); opacity: .5; }

/* 空状态 */
.empty {
  text-align: center; padding: 80px 22px; color: var(--text-tertiary);
}
.empty .em { font-size: 56px; margin-bottom: 12px; }

/* ===================== 页脚 ===================== */
.footer {
  margin-top: 60px;
  border-top: 1px solid var(--border-soft);
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 40px 22px;
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px;
}
.footer h4 { font-size: 15px; font-weight: 700; margin-bottom: 12px; }
.footer p, .footer a { color: var(--text-secondary); font-size: 13px; line-height: 1.7; }
.footer a:hover { color: var(--accent); }
.footer ul { list-style: none; }
.footer-bottom {
  border-top: 1px solid var(--border-soft);
  padding: 18px 22px; text-align: center;
  color: var(--text-tertiary); font-size: 12px;
}

/* ===================== 404 ===================== */
.page-404 { text-align: center; padding: 120px 22px; }
.page-404 h1 { font-size: 120px; font-weight: 800; color: var(--accent); letter-spacing: -0.04em; }
.page-404 p { color: var(--text-secondary); font-size: 18px; margin: 8px 0 24px; }

/* 响应式 */
@media (max-width: 880px) {
  .nav-links { display: none; }
  .search-box { min-width: 0; flex: 1; }
  .detail-hero { grid-template-columns: 1fr; text-align: center; justify-items: center; }
  .detail-body { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .hero { padding-top: 48px; }
}

/* 移动端汉堡 */
.menu-toggle { display: none; }
@media (max-width: 880px) {
  .menu-toggle { display: grid; }
}