/* ===== 深空青绿 =====
   近黑底 + 几何无衬线标题 + 青绿强调色。
   气质：AI Builder、深空、克制而有科技感。 */
@font-face {
  font-family: "Space Grotesk";
  src: url("assets/fonts/SpaceGrotesk-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Space Grotesk";
  src: url("assets/fonts/SpaceGrotesk-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("assets/fonts/JetBrainsMono-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #05050f;
  --bg-card: #0d1420;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e6edf3;
  --text-dim: #8b98a5;
  --teal: #38f9d7;
  --teal-dark: #1fb8a3;
  --teal-soft: rgba(56, 249, 215, 0.08);
  --link: #8ab4f8;
  --link-hover: #aecbfa;

  --display: "Space Grotesk", -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
  --shadow-lift: 0 12px 30px rgba(56, 249, 215, 0.15);
}

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

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

/* ===== 全页背景：极淡金色数字/字母流动 ===== */
.matrix-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
}

main { position: relative; z-index: 1; overflow-x: hidden; }

/* ===== Hero（左文字 + 右侧敲键盘人物，互不重叠） ===== */
.hero {
  max-width: 1500px;
  min-height: 100vh;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3.5rem;
}

.hero-text { max-width: 620px; flex-shrink: 0; }

/* 右侧：线条剪影的人伏案敲击笔记本，屏幕里循环打字，
   呼应「编程 / 投资 / 写作」三重身份，不与左侧文字重叠 */
.hero-figure {
  width: clamp(280px, 34vw, 520px);
  aspect-ratio: 1;
  flex-shrink: 0;
}

/* .hero-figure 只作占位（保持左侧文字排版不变），实际球体用 .globe-frame
   相对 main（铺满视口、无内边距）定位，不受 .hero 居中布局影响；
   cobe 渲染的球体在 canvas 内本身有大片留白，top/right 负值用来抵消
   这部分留白，让球体可见轮廓贴住屏幕真实的上边缘和右边缘 */
.globe-frame {
  position: absolute;
  top: -22.4vw;
  right: -28.1vw;
  width: 68vw;
  height: 68vw;
}

.globe-canvas {
  width: 100%;
  height: 100%;
  cursor: grab;
}

/* ===== 鼠标光晕（桌面端） ===== */
.cursor-glow {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
}
.cursor-glow.active { opacity: 1; }
.cursor-glow::before {
  content: "";
  position: absolute;
  left: var(--mouse-x, 50vw);
  top: var(--mouse-y, 50vh);
  width: 420px;
  height: 420px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(56, 249, 215, 0.06), transparent 70%);
  border-radius: 50%;
}

/* ===== 右侧页面导航点 ===== */
.page-nav {
  position: fixed;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.page-dot {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  transition: background 0.3s, transform 0.3s;
}
.page-dot span {
  position: absolute;
  right: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  font-size: 0.75rem;
  color: var(--text-dim);
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}
.page-dot:hover span { opacity: 1; }
.page-dot.active { background: var(--teal); transform: scale(1.4); }

.masthead {
  font-family: var(--display);
  font-size: 1.15rem;
  letter-spacing: 0.5em;
  color: var(--teal);
  margin-bottom: 2rem;
  animation: rise 0.6s ease-out both;
}
.masthead-en {
  display: inline-block;
  margin-left: 0.6rem;
  font-family: var(--display);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--text-dim);
}

.hero h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  line-height: 1.5;
  letter-spacing: 0.04em;
  margin-bottom: 2rem;
  animation: rise 0.6s ease-out 0.1s both;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  animation: rise 0.6s ease-out 0.2s both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== 通用滚动进场 ===== */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

.btn {
  display: inline-block;
  padding: 0.65rem 1.7rem;
  border-radius: 6px;
  font-size: 0.98rem;
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, color 0.2s;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }

.btn-primary {
  background: var(--teal);
  color: var(--bg);
  box-shadow: 0 4px 12px rgba(56, 249, 215, 0.25);
}
.btn-primary:hover { background: var(--teal-dark); color: var(--bg); }

.btn-ghost {
  border: 1.5px solid var(--text);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--teal); color: var(--teal-dark); }

/* ===== 通用板块 ===== */
.section {
  max-width: 960px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}
.section + .section, .hero + .section { border-top: 1px solid var(--border); }

.section h2 {
  font-family: var(--display);
  font-size: 1.8rem;
  letter-spacing: 0.06em;
  color: var(--teal);
  text-align: center;
  margin-bottom: 1.5rem;
}

/* ===== 支撑证据 ===== */
.evidence-list {
  list-style: none;
  max-width: 640px;
  margin: 0 auto;
}
.evidence-list li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--text-dim);
  font-size: 1.02rem;
  line-height: 1.9;
  margin-bottom: 0.9rem;
}
.evidence-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 0.5rem;
  height: 2px;
  background: var(--teal);
}
.evidence-list strong { color: var(--text); }

/* ===== 作品卡片 ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  min-height: 12rem;
  padding: 1.5rem 1.4rem 1.3rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.card:hover {
  text-decoration: none;
  color: var(--text);
  transform: translateY(-4px);
  border-color: var(--teal);
  box-shadow: var(--shadow-lift);
}

.card.depth-active {
  transform: translateY(-6px) scale(1.02);
  border-color: var(--teal);
  box-shadow: var(--shadow-lift);
}
.card.depth-dimmed { opacity: 0.6; }

.card-teal { background: linear-gradient(160deg, #0d1420 0%, #0f2b28 100%); }
.card-blue { background: linear-gradient(160deg, #0d1420 0%, #12213b 100%); }
.card-muted { background: linear-gradient(160deg, #0d1420 0%, #201c30 100%); }
.card-amber { background: linear-gradient(160deg, #0d1420 0%, #2b2312 100%); }

.card-cta {
  align-self: flex-start;
  margin-top: 0.3rem;
  color: var(--teal);
  font-size: 0.85rem;
  font-weight: 500;
}
.card-no {
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--teal);
  line-height: 1;
}

.card h3 {
  font-family: var(--display);
  font-size: 1.08rem;
  letter-spacing: 0.03em;
}

.card p { color: var(--text-dim); font-size: 0.88rem; flex: 1; }

.card-tags span {
  display: inline-block;
  padding: 0.15rem 0.65rem;
  margin: 0.15rem 0.3rem 0.15rem 0;
  background: var(--teal-soft);
  color: var(--teal-dark);
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 500;
}

/* ===== 联系：图标 + hover/tap 弹出 ===== */
.contact-links {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.contact-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
}
.contact-item span { color: var(--text-dim); font-size: 0.85rem; }

.contact-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  transition: color 0.2s, border-color 0.2s, transform 0.2s;
}
.contact-item:hover .contact-icon,
.contact-item.popup-open .contact-icon {
  color: var(--teal);
  border-color: var(--teal);
  transform: translateY(-3px);
}

.contact-popup {
  position: absolute;
  bottom: calc(100% + 0.8rem);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow-lift);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 6;
}
.contact-popup span { color: var(--text-dim); font-size: 0.78rem; }

.contact-item:hover .contact-popup,
.contact-item.popup-open .contact-popup {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.contact-popup-mail { padding: 0.6rem; }

.qr {
  width: 128px;
  height: 128px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
}

.copy {
  background: none;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 0.3rem 0.9rem;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.2s, color 0.2s;
}
.copy:hover { border-color: var(--teal); color: var(--teal-dark); }

/* ===== 动效偏好与移动端 ===== */
@media (prefers-reduced-motion: reduce) {
  .masthead, .hero h1, .hero-actions { animation: none; }
  .reveal { transition: none; opacity: 1; transform: none; }
}

@media (max-width: 900px) {
  .hero-figure, .globe-frame { display: none; }
  .hero { justify-content: center; padding: 1.5rem; }
  .page-nav { display: none; }
}

@media (max-width: 700px) {
  .cards { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
}

@media (max-width: 480px) {
  .hero { min-height: auto; padding: 4rem 1.5rem 2.5rem; }
  .section { padding: 2rem 1.5rem; }
  .cards { grid-template-columns: 1fr; }
  .card { min-height: 0; }
  .contact-links { gap: 1.5rem; }
}