/* 个人主页：无 JS、无外部字体、跟随系统亮暗主题。
   与 JCHub 商店样式刻意不共用——这里是「人」的页面。
   布局：顶栏（✦ 品牌 + 右侧标语）→ JCHub / FoamDesk 双卡上下堆叠
   → 页脚双备案。
   科技感基调：冷色板 + 靛青→青双色渐变 + 细点阵背景，全部纯 CSS 绘制。 */

:root {
  color-scheme: light;
  --bg: #f7f8fc;
  --glow: rgba(79, 70, 229, 0.07);
  --dot: rgba(15, 23, 42, 0.055);
  --text: #171923;
  --muted: #5d6474;
  --rule: #e4e7f0;
  --accent: #4f46e5;
  --accent-2: #0891b2;
  --grad: linear-gradient(120deg, #4f46e5, #0891b2);
  --card: #ffffff;
  --card-border: #e5e8f2;
  --card-border-hover: rgba(79, 70, 229, 0.45);
  --card-hover: #fbfbfe;
  --hover-shadow: 0 18px 44px -18px rgba(79, 70, 229, 0.28);
  --tag-bg: rgba(79, 70, 229, 0.08);
  --tag-border: rgba(79, 70, 229, 0.22);
  --tag-text: #4338ca;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #0b0d12;
    --glow: rgba(99, 102, 241, 0.14);
    --dot: rgba(148, 163, 184, 0.075);
    --text: #e9ebf2;
    --muted: #929aae;
    --rule: #232838;
    --accent: #8b93ff;
    --accent-2: #2dd4ee;
    --grad: linear-gradient(120deg, #818cf8, #22d3ee);
    --card: #12151d;
    --card-border: #262c3d;
    --card-border-hover: rgba(129, 140, 248, 0.5);
    --card-hover: #161a25;
    --hover-shadow: 0 18px 44px -16px rgba(0, 0, 0, 0.55);
    --tag-bg: rgba(129, 140, 248, 0.12);
    --tag-border: rgba(129, 140, 248, 0.3);
    --tag-text: #b3bafd;
  }
}

/* ---- 卡片主色：JCHub 蓝 (#2563eb) / FoamDesk 绿 (#00b578)，
   只在卡内覆写变量，顶栏/页脚仍用全局靑青基调 ---- */

.card--jchub {
  --card-border-hover: rgba(37, 99, 235, 0.45);
  --hover-shadow: 0 18px 44px -18px rgba(37, 99, 235, 0.28);
  --grad: linear-gradient(120deg, #2563eb, #06b6d4);
  --tag-bg: rgba(37, 99, 235, 0.08);
  --tag-border: rgba(37, 99, 235, 0.22);
  --tag-text: #1d4ed8;
  --accent-2: #0284c7;
}

.card--foamdesk {
  --card-border-hover: rgba(0, 181, 120, 0.45);
  --hover-shadow: 0 18px 44px -18px rgba(0, 181, 120, 0.28);
  --grad: linear-gradient(120deg, #00b578, #14b8a6);
  --tag-bg: rgba(0, 181, 120, 0.08);
  --tag-border: rgba(0, 181, 120, 0.22);
  --tag-text: #00875a;
  --accent-2: #0d9488;
}

@media (prefers-color-scheme: dark) {
  /* 暗色沿用全局黑影，仅提亮色板 */
  .card--jchub {
    --card-border-hover: rgba(96, 165, 250, 0.5);
    --hover-shadow: 0 18px 44px -16px rgba(0, 0, 0, 0.55);
    --grad: linear-gradient(120deg, #3b82f6, #22d3ee);
    --tag-bg: rgba(96, 165, 250, 0.12);
    --tag-border: rgba(96, 165, 250, 0.3);
    --tag-text: #93c5fd;
    --accent-2: #38bdf8;
  }

  .card--foamdesk {
    --card-border-hover: rgba(52, 211, 153, 0.5);
    --hover-shadow: 0 18px 44px -16px rgba(0, 0, 0, 0.55);
    --grad: linear-gradient(120deg, #34d399, #2dd4bf);
    --tag-bg: rgba(52, 211, 153, 0.12);
    --tag-border: rgba(52, 211, 153, 0.3);
    --tag-text: #6ee7b7;
    --accent-2: #2dd4bf;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background-color: var(--bg);
  /* 顶部柔光 + 细点阵，两层纯 CSS 背景营造空间感 */
  background-image:
    radial-gradient(900px 480px at 50% -180px, var(--glow), transparent 70%),
    radial-gradient(var(--dot) 1px, transparent 1.5px);
  background-size: auto, 26px 26px;
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration-color: var(--rule);
  text-underline-offset: 3px;
}

a:hover { text-decoration-color: var(--accent); }

a:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
}

.wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: clamp(28px, 6vw, 72px) clamp(20px, 6vw, 40px) 48px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---- 顶栏：✦ Dollarlu ·· hope you happy everyday ---- */

.masthead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  flex-wrap: wrap;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule);
}

.masthead-id {
  display: flex;
  align-items: center;
  gap: 9px;
}

.mark {
  font-size: 17px;
  line-height: 1;
  color: var(--accent);
}

/* 渐变文字只在支持时启用，老浏览器回落纯色 */
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .mark {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}

.who {
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.tagline {
  color: var(--muted);
  font-size: 12.5px;
  letter-spacing: 0.14em;
}

/* ---- 主体：双卡上下堆叠 ---- */

main { flex: 1; padding-top: clamp(40px, 8vw, 72px); }

.entries {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

/* ---- 入口卡片 ---- */

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 26px 26px 24px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  overflow: hidden;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease,
              box-shadow 180ms ease, background-color 180ms ease;
}

/* 卡顶双色渐变发丝线：平时半隐，悬停点亮 */
.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--grad);
  opacity: 0.45;
  transition: opacity 180ms ease;
}

.card:hover {
  background: var(--card-hover);
  border-color: var(--card-border-hover);
  transform: translateY(-3px);
  box-shadow: var(--hover-shadow);
}

.card:hover::before { opacity: 1; }

.card-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.card-icon {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  font-size: 22px;
  line-height: 1;
  border-radius: 12px;
  background: var(--tag-bg);
  border: 1px solid var(--tag-border);
}

.card-titles {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.card-name {
  font-size: 20px;
  font-weight: 650;
  letter-spacing: 0.01em;
}

.card-role {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--tag-text);
}

.card-go {
  margin-left: auto;
  padding-top: 4px;
  font-size: 18px;
  color: var(--muted);
  transition: color 160ms ease, transform 160ms ease;
}

.card:hover .card-go {
  color: var(--accent-2);
  transform: translateX(3px);
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  font-size: 12px;
  line-height: 1;
  padding: 6px 11px;
  border-radius: 999px;
  letter-spacing: 0.02em;
  white-space: nowrap;
  color: var(--tag-text);
  background: var(--tag-bg);
  border: 1px solid var(--tag-border);
}

/* ---- 页脚：居中，双备案殿后 ---- */

.colophon {
  margin-top: clamp(56px, 12vw, 96px);
  padding-top: 22px;
  border-top: 1px solid var(--rule);
  font-size: 12.5px;
  color: var(--muted);
  text-align: center;
}

.colophon p { margin: 0 0 6px; }

.beian {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: baseline;
}

.beian a {
  text-decoration: none;
  color: inherit;
  white-space: nowrap;
}

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

.beian-badge {
  height: 14px;
  vertical-align: -2px;
  margin-right: 5px;
}

.sep { padding: 0 6px; }

/* ---- 响应式 ---- */

/* 窄屏：卡片收边距；备案号各占一行，避免号码被折断 */
@media (max-width: 420px) {
  .card { padding: 20px 20px 18px; }
  .card-head { gap: 12px; }
  .beian {
    flex-direction: column;
    align-items: center;
  }
  .sep { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .card, .card::before, .card-go { transition: none; }
  .card:hover { transform: none; }
  .card:hover .card-go { transform: none; }
}