/* ================================================
   Steve · 个人网站 · 一屏展示版
   桌面：Hero 居中 + 底部一行 4 卡片
   手机：Hero 居中 + 底部 2×2 卡片
   极简黑白 · 点缀色 #22C7FF
   ================================================ */

:root {
  --bg: #FFFFFF;
  --ink: #111111;
  --ink-2: #333333;
  --ink-3: #666666;
  --ink-4: #999999;
  --line: rgba(17, 17, 17, 0.08);
  --soft: #F5F4F0;
  --accent: #22C7FF;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  height: 100%; width: 100%;
  overflow: hidden;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 15px;
  display: flex;
  flex-direction: column;
}
a { color: inherit; text-decoration: none; }

/* ==========================================================================
   Brand
   ========================================================================== */
.brand {
  position: fixed;
  top: 28px; left: 36px;
  font-size: 13px; font-weight: 600;
  letter-spacing: 2px;
  z-index: 10;
}

/* ==========================================================================
   Stage · 主舞台：Hero 居中
   ========================================================================== */
.stage {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 40px;
}
.hero {
  text-align: center;
}
.hero__avatar {
  width: 104px;
  height: 104px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--soft);
  border: 1px solid var(--line);
  margin: 0 auto 32px;
}
.hero__avatar img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero__avatar-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-4); font-size: 13px;
}
.hero__name {
  margin: 0 0 14px;
  font-size: 88px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -2px;
}
.hero__title {
  margin: 0;
  font-size: 18px;
  color: var(--ink-2);
  letter-spacing: 0.5px;
}

/* ==========================================================================
   Dock · 底部卡片区
   ========================================================================== */
.dock {
  flex-shrink: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 0 36px 36px;
}

.card {
  background: var(--soft);
  border-radius: 14px;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  min-height: 140px;
  transition: background 0.2s;
}
.card:hover {
  background: #EDEBE4;
}
.card__label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2.5px;
  color: var(--ink-4);
  margin-bottom: 14px;
}
.card__desc {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-2);
}
.card__desc--muted {
  color: var(--ink-4);
  margin-bottom: 0;
}

.card__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
}

.link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--ink);
  padding: 2px 0;
  transition: padding-left 0.2s, color 0.15s;
}
.link:hover {
  padding-left: 4px;
  color: var(--accent);
}
.link--muted {
  color: var(--ink-4);
  pointer-events: none;
}
.link__num {
  font-size: 11px;
  color: var(--ink-4);
  font-variant-numeric: tabular-nums;
  min-width: 18px;
}
.link__text {
  flex: 1;
  font-weight: 500;
}
.link__arrow {
  font-size: 13px;
  color: var(--ink-4);
  transition: transform 0.2s, color 0.2s;
}
.link:hover .link__arrow {
  color: var(--accent);
  transform: translateX(3px);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

/* 中等屏：保持桌面 4 列但缩紧 */
@media (max-width: 1100px) {
  .hero__name { font-size: 72px; }
  .dock { gap: 12px; padding: 0 24px 24px; }
  .card { padding: 18px; min-height: 130px; }
}

/* 手机：Hero + 2×2 卡片 */
@media (max-width: 720px) {
  html, body { overflow: auto; }

  .brand { top: 20px; left: 22px; }

  .stage {
    padding: 80px 24px 28px;
  }
  .hero__avatar { width: 84px; height: 84px; margin-bottom: 22px; }
  .hero__name { font-size: 56px; letter-spacing: -1px; }
  .hero__title { font-size: 15px; }

  .dock {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 0 16px 24px;
  }
  .card {
    padding: 16px;
    min-height: 120px;
  }
  .card__label { font-size: 9.5px; margin-bottom: 10px; }
  .card__desc { font-size: 12.5px; margin-bottom: 10px; }
  .link { font-size: 13px; }
}

/* 极小屏竖屏：确保不被压扁 */
@media (max-width: 380px) {
  .hero__name { font-size: 48px; }
  .dock { grid-template-columns: repeat(2, 1fr); }
}