/* ============================================================
   LinkingStart 官网 —— 地狱下界 · 像素方块风
   配色与 app 内 /about 同源（src/pages/About.tsx 的那段 <style>），
   这里只留官网用到的部分 + 把 Tailwind 工具类换成真类名：
   官网是零构建的静态页，不该拖一份打包链路上线。
   ============================================================ */

:root {
  --mc-bg: #0a0505;
  --mc-bg2: #150a08;
  --mc-panel: #1a0d0a;
  --mc-panel2: #251210;
  --mc-netherrack: #6b2a1e;
  --mc-brick: #3a1512;
  --mc-brick-light: #57221c;
  --mc-soul: #35e0d6;
  --mc-lava: #ff6b1a;
  --mc-lava-hot: #ffc83d;
  --mc-ink: #f3e9dc;
  --mc-muted: #c2a98f;
  --mc-faint: #8a7263;
  --mc-line: #3a2320;
  --mc-mono: "Cascadia Code", "Consolas", "Courier New", monospace;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--mc-bg);
  color: var(--mc-ink);
  font-family: "Noto Sans SC", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.mc-page {
  position: relative;
  min-height: 100vh;
  padding: 4rem 1rem 3rem;
  background:
    radial-gradient(1200px 600px at 70% -10%, rgba(255, 107, 26, 0.14), transparent 60%),
    radial-gradient(900px 500px at 10% 20%, rgba(207, 30, 30, 0.12), transparent 55%),
    linear-gradient(180deg, #0a0505 0%, #180b09 55%, #0a0505 100%);
  color: var(--mc-ink);
  overflow: hidden;
}

/* 像素网格底纹 */
.mc-page::before {
  content: "";
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 30px 30px;
  animation: mc-grid-drift 24s linear infinite;
}
@keyframes mc-grid-drift {
  to { background-position: 30px 30px; }
}

.mc-inner { position: relative; z-index: 1; max-width: 880px; margin: 0 auto; }

/* 进入视野动画 */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s cubic-bezier(.2,.7,.3,1); }
.mc-reveal-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .mc-page::before, .mc-ember, .mc-block { animation: none !important; }
}

/* 英文标签 */
.mc-tag {
  display: inline-block;
  font-family: var(--mc-mono);
  font-size: 11px; letter-spacing: .28em; font-weight: 700;
  color: var(--mc-lava);
  text-transform: uppercase;
}
.mc-tag.soul { color: var(--mc-soul); }

.mc-h1 {
  margin: .6rem 0 0;
  font-family: var(--mc-mono); font-weight: 900; letter-spacing: .02em;
  font-size: clamp(2.2rem, 9vw, 3.4rem); line-height: 1.1;
  background: linear-gradient(180deg, #fff1dd 0%, #ffb27a 60%, #ff5a1a 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  filter: drop-shadow(3px 3px 0 rgba(0,0,0,.55));
}
.mc-h2 {
  margin: .45rem 0 0;
  font-family: var(--mc-mono); font-weight: 900; letter-spacing: .03em;
  font-size: 1.55rem;
  color: var(--mc-ink);
  text-shadow: 3px 3px 0 rgba(0,0,0,.5);
}
.mc-sub { margin: .6rem 0 0; color: var(--mc-muted); line-height: 1.9; }
.mc-lead { margin: 1rem 0 0; color: var(--mc-ink); }
.para { margin: 0; color: var(--mc-muted); line-height: 2; }

/* 像素硬阴影卡片 */
.mc-card {
  position: relative;
  margin-bottom: 2rem;
  padding: 1.75rem;
  background: linear-gradient(180deg, var(--mc-panel2), var(--mc-panel));
  border: 2px solid var(--mc-line);
  box-shadow:
    inset 0 2px 0 rgba(255,255,255,.06),
    inset 0 -3px 0 rgba(0,0,0,.45),
    6px 6px 0 rgba(0,0,0,.5);
  transition: transform .18s ease, box-shadow .18s ease;
}
.mc-card:hover {
  transform: translate(-2px, -2px);
  box-shadow:
    inset 0 2px 0 rgba(255,255,255,.08),
    inset 0 -3px 0 rgba(0,0,0,.45),
    9px 9px 0 rgba(0,0,0,.45);
}

/* 卡片悬停：岩浆色描边循环跑动 */
@property --mc-run {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}
@keyframes mc-border-run { to { --mc-run: 360deg; } }
.mc-card::after {
  content: '';
  position: absolute;
  inset: 0;
  padding: 2px;
  background: conic-gradient(
    from var(--mc-run),
    transparent 0deg,
    var(--mc-lava) 50deg,
    var(--mc-lava-hot) 75deg,
    transparent 130deg
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  opacity: 0;
  transition: opacity .25s ease;
  pointer-events: none;
  z-index: 2;
}
.mc-card:hover::after { opacity: 1; animation: mc-border-run 2.8s linear infinite; }

.hero { padding: 3rem 1.5rem; text-align: center; overflow: hidden; }
.hero-actions { margin-top: 1.75rem; display: flex; flex-wrap: wrap; gap: .75rem; justify-content: center; }
.head { margin-bottom: 1.5rem; }
.tags { margin-top: 1.5rem; display: flex; flex-wrap: wrap; gap: .75rem; }

/* 通用像素块（3D 按钮感） */
.mc-block {
  display: inline-block; width: 46px; height: 46px;
  border: 2px solid rgba(0,0,0,.35);
  box-shadow:
    inset 0 3px 0 rgba(255,255,255,.12),
    inset 0 -4px 0 rgba(0,0,0,.4),
    4px 4px 0 rgba(0,0,0,.4);
  animation: mc-float 4.5s ease-in-out infinite;
}
.mc-block--netherrack { background: radial-gradient(circle at 30% 28%, #8a3a28, #5c2118 70%); }
.mc-block--brick { background: radial-gradient(circle at 30% 28%, #5d231c, #33110e 70%); }
.mc-block--soul { background: radial-gradient(circle at 30% 28%, #4ecdbd, #1e6d67 70%); box-shadow: 0 0 18px rgba(53,224,214,.35); }
@keyframes mc-float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-9px) rotate(2deg); }
}

/* 岩浆粒子 */
.mc-embers { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.mc-ember {
  position: absolute; bottom: -8px; border-radius: 1px;
  background: var(--mc-lava);
  box-shadow: 0 0 8px var(--mc-lava);
  animation-name: mc-ember-rise; animation-timing-function: linear; animation-iteration-count: infinite;
}
@keyframes mc-ember-rise {
  0% { transform: translateY(0) translateX(0) scale(1); opacity: 0; }
  10% { opacity: 1; }
  100% { transform: translateY(-220px) translateX(var(--drift, 14px)) scale(.25); opacity: 0; }
}

/* 栅格 */
.grid { display: grid; gap: 1rem; }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 720px) {
  .grid-3 { grid-template-columns: minmax(0, 1fr); }
  .hero { padding: 2.25rem 1.25rem; }
  .mc-card { padding: 1.25rem; }
}

.cell {
  padding: 1.25rem;
  background: var(--mc-panel);
  border: 2px solid var(--mc-line);
}
.cell-title { margin-top: .75rem; font-weight: 700; font-size: 1.05rem; color: var(--mc-ink); }
.cell .mc-block { margin-bottom: .25rem; }
.list { margin: .5rem 0 0; padding: 0; list-style: none; display: grid; gap: .35rem; }
.list li { position: relative; padding-left: .95rem; font-size: .85rem; line-height: 1.7; color: var(--mc-muted); }
.list li::before { content: "▸"; position: absolute; left: 0; color: var(--mc-soul); }

/* 团队 */
.team { display: flex; align-items: flex-start; gap: 1.25rem; }
.mc-team-avatar {
  width: 84px; height: 84px; flex-shrink: 0; object-fit: cover;
  image-rendering: pixelated;
  border: 3px solid var(--mc-line);
  box-shadow: 0 0 0 3px #0a0505, 5px 5px 0 rgba(0,0,0,.5);
  background: #0a0505;
}
.team-name { margin: 0; font-size: 1.25rem; font-weight: 700; color: var(--mc-ink); }
.team-body { min-width: 0; }
.chips { margin-top: 1rem; display: flex; flex-wrap: wrap; gap: .5rem; }
.mc-chip {
  display: inline-block;
  font-family: var(--mc-mono); font-size: .72rem; font-weight: 700; letter-spacing: .02em;
  padding: .32rem .55rem; color: var(--mc-muted);
  background: var(--mc-panel2); border: 2px solid var(--mc-line);
  box-shadow: 2px 2px 0 rgba(0,0,0,.4);
  transition: transform .15s ease, border-color .15s ease, color .15s ease;
}
.mc-chip:hover {
  transform: translate(-1px,-1px);
  border-color: var(--mc-lava); color: var(--mc-lava);
  box-shadow: 3px 3px 0 rgba(0,0,0,.4);
}

/* 按钮 */
.mc-btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--mc-mono); font-size: .82rem; font-weight: 700; letter-spacing: .05em;
  padding: .7rem 1rem; color: #fff; text-decoration: none;
  background: linear-gradient(180deg, var(--mc-lava), #d1401a);
  border: 2px solid #7a1f0c;
  box-shadow: inset 0 2px 0 rgba(255,255,255,.3), 4px 4px 0 rgba(0,0,0,.5);
  transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
}
.mc-btn:hover { transform: translate(-1px,-1px); box-shadow: inset 0 2px 0 rgba(255,255,255,.35), 6px 6px 0 rgba(0,0,0,.45); filter: brightness(1.08); }
.mc-btn:active { transform: translate(2px,2px); box-shadow: inset 0 2px 4px rgba(0,0,0,.5), 1px 1px 0 rgba(0,0,0,.5); }
.mc-btn--ghost { background: var(--mc-panel2); border-color: var(--mc-line); color: var(--mc-muted); }

.foot {
  margin-top: 2.5rem; padding-top: 1.5rem;
  display: flex; flex-wrap: wrap; gap: .75rem; justify-content: space-between;
  font-size: .78rem; color: var(--mc-faint);
  border-top: 2px solid var(--mc-line);
}
.foot a { color: var(--mc-muted); text-decoration: none; }
.foot a:hover { color: var(--mc-lava); }