/* ====== v5: 3D 炫技 + 新增板块(2026-09-28) ====== */

/* ============================================================
   A. 3D 倾斜透视网格(技能板块背景)
   ============================================================ */
.tilt-stage {
  position: absolute; inset: 0;
  perspective: 900px;
  perspective-origin: 50% 40%;
  overflow: hidden;
  pointer-events: none;
  opacity: 0.55;
  z-index: 0;
}
.tilt-plane {
  position: absolute;
  left: 50%; top: 58%;
  width: 1600px; height: 1600px;
  margin-left: -800px; margin-top: -800px;
  transform-style: preserve-3d;
  transform: rotateX(72deg);
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.16) 1px, transparent 1px);
  background-size: 68px 68px;
  border: 1px solid rgba(0, 212, 255, 0.22);
  box-shadow:
    0 0 90px rgba(0, 212, 255, 0.14) inset,
    0 0 140px rgba(177, 74, 255, 0.10);
  will-change: transform;
}
.tilt-plane::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(0,212,255,0.12), transparent 62%);
}

/* 悬浮光点 */
.tilt-glow {
  position: absolute;
  left: 50%; top: 58%;
  width: 460px; height: 460px;
  margin: -230px 0 0 -230px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,79,157,0.20), transparent 65%);
  transform: rotateX(72deg) translateZ(60px);
  filter: blur(18px);
  pointer-events: none;
  animation: glow-float 7s ease-in-out infinite;
}
@keyframes glow-float {
  0%, 100% { opacity: 0.55; }
  50%      { opacity: 0.95; }
}

/* ============================================================
   B. 3D 核心装置(技能板块右侧装饰)
   ============================================================ */
.core-stage {
  position: absolute;
  right: 4%; top: 50%;
  width: 300px; height: 300px;
  margin-top: -150px;
  perspective: 900px;
  perspective-origin: 50% 50%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.92;
  transform-style: preserve-3d;
}

/* ---------- 内核立方(线框 + 半透明面) ---------- */
.core-cube {
  position: absolute;
  left: 50%; top: 50%;
  width: 96px; height: 96px;
  margin: -48px 0 0 -48px;
  transform-style: preserve-3d;
  animation: core-spin 18s linear infinite;
}
.core-face {
  position: absolute;
  width: 100%; height: 100%;
  border: 1.4px solid rgba(0, 212, 255, 0.72);
  background:
    linear-gradient(135deg, rgba(0, 212, 255, 0.10), rgba(177, 74, 255, 0.05));
  box-shadow:
    0 0 16px rgba(0, 212, 255, 0.28) inset,
    0 0 8px rgba(0, 212, 255, 0.14);
  border-radius: 3px;
}
.core-face:nth-child(1) { transform: translateZ(48px); }
.core-face:nth-child(2) { transform: rotateY(180deg) translateZ(48px); }
.core-face:nth-child(3) {
  transform: rotateY(90deg) translateZ(48px);
  border-color: rgba(255, 79, 157, 0.75);
  box-shadow: 0 0 16px rgba(255, 79, 157, 0.28) inset;
}
.core-face:nth-child(4) {
  transform: rotateY(-90deg) translateZ(48px);
  border-color: rgba(255, 79, 157, 0.75);
  box-shadow: 0 0 16px rgba(255, 79, 157, 0.28) inset;
}
.core-face:nth-child(5) { transform: rotateX(90deg) translateZ(48px); }
.core-face:nth-child(6) {
  transform: rotateX(-90deg) translateZ(48px);
  border-color: rgba(177, 74, 255, 0.7);
}
@keyframes core-spin {
  0%   { transform: rotateX(-22deg) rotateY(0deg); }
  100% { transform: rotateX(-22deg) rotateY(360deg); }
}

/* ---------- 内核辉光核(中心球) ---------- */
.core-nucleus {
  position: absolute;
  left: 50%; top: 50%;
  width: 30px; height: 30px;
  margin: -15px 0 0 -15px;
  border-radius: 50%;
  background: radial-gradient(circle, #ffffff 0%, var(--neon-cyan) 35%, rgba(177,74,255,0.6) 70%, transparent 100%);
  box-shadow:
    0 0 24px rgba(0, 212, 255, 0.95),
    0 0 60px rgba(177, 74, 255, 0.55);
  animation: nucleus-pulse 3.4s ease-in-out infinite;
  transform: translateZ(0);
}
@keyframes nucleus-pulse {
  0%, 100% { transform: scale(1);   opacity: 1; }
  50%      { transform: scale(1.32); opacity: 0.82; }
}

/* ---------- 两条逆向自转轨道环 ---------- */
.core-orbit {
  position: absolute;
  left: 50%; top: 50%;
  border-radius: 50%;
  border: 1.4px solid rgba(0, 212, 255, 0.34);
  transform-style: preserve-3d;
}
.core-orbit-a {
  width: 176px; height: 176px;
  margin: -88px 0 0 -88px;
  animation: orbit-a 13s linear infinite;
  border-style: dashed;
  border-color: rgba(0, 212, 255, 0.4);
}
.core-orbit-b {
  width: 236px; height: 236px;
  margin: -118px 0 0 -118px;
  animation: orbit-b 21s linear infinite;
  border-color: rgba(255, 79, 157, 0.30);
  border-top-color: rgba(255, 79, 157, 0.8);
  border-bottom-color: rgba(255, 79, 157, 0.8);
}
@keyframes orbit-a {
  0%   { transform: rotateX(70deg) rotateZ(0deg); }
  100% { transform: rotateX(70deg) rotateZ(360deg); }
}
@keyframes orbit-b {
  0%   { transform: rotateX(-64deg) rotateY(28deg) rotateZ(0deg); }
  100% { transform: rotateX(-64deg) rotateY(28deg) rotateZ(-360deg); }
}

/* 轨道上的运行节点 */
.orb-node {
  position: absolute;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--neon-cyan);
  box-shadow: 0 0 14px var(--neon-cyan), 0 0 26px rgba(0, 212, 255, 0.55);
  top: 50%; left: 50%;
  margin: -4.5px 0 0 -4.5px;
}
.core-orbit .orb-node:nth-child(1) { transform: rotate(0deg)   translateX(88px); }
.core-orbit .orb-node:nth-child(2) { transform: rotate(180deg) translateX(88px); }
.core-orbit-b .orb-node { background: var(--neon-magenta); box-shadow: 0 0 14px var(--neon-magenta), 0 0 26px rgba(255,79,157,0.5); }
.core-orbit-b .orb-node:nth-child(1) { transform: rotate(0deg)  translateX(118px); }
.core-orbit-b .orb-node:nth-child(2) { transform: rotate(180deg) translateX(118px); }

/* ---------- 环绕卫星节点(六边形分布) ---------- */
.core-node {
  position: absolute;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--neon-purple);
  box-shadow: 0 0 12px var(--neon-purple);
  opacity: 0.85;
  animation: node-blink 2.8s ease-in-out infinite;
}
.cn-1 { left: 8%;  top: 22%; animation-delay: 0s; }
.cn-2 { left: 84%; top: 14%; animation-delay: 0.4s; background: var(--neon-cyan); box-shadow: 0 0 12px var(--neon-cyan); }
.cn-3 { left: 92%; top: 58%; animation-delay: 0.8s; }
.cn-4 { left: 78%; top: 88%; animation-delay: 1.2s; background: var(--neon-cyan); box-shadow: 0 0 12px var(--neon-cyan); }
.cn-5 { left: 12%; top: 84%; animation-delay: 1.6s; }
.cn-6 { left: 3%;  top: 46%; animation-delay: 2s; background: var(--neon-magenta); box-shadow: 0 0 12px var(--neon-magenta); }
@keyframes node-blink {
  0%, 100% { opacity: 0.35; transform: scale(1); }
  50%      { opacity: 1;    transform: scale(1.6); }
}

/* ---------- HUD 装饰框架 ---------- */
.core-hud {
  position: absolute;
  inset: 14px;
  pointer-events: none;
}
.hud-ring {
  position: absolute;
  left: 50%; top: 50%;
  width: 274px; height: 274px;
  margin: -137px 0 0 -137px;
  border-radius: 50%;
  border: 1px solid rgba(120, 180, 255, 0.14);
}
.hud-ring-2 {
  width: 290px; height: 290px;
  margin: -145px 0 0 -145px;
  border-style: dotted;
  border-color: rgba(120, 180, 255, 0.10);
  animation: hud-spin 40s linear infinite;
}
@keyframes hud-spin { to { transform: rotate(360deg); } }
.hud-arc {
  position: absolute;
  left: 50%; top: 50%;
  width: 206px; height: 206px;
  margin: -103px 0 0 -103px;
  border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: rgba(0, 212, 255, 0.75);
  border-right-color: rgba(255, 79, 157, 0.55);
  filter: drop-shadow(0 0 7px rgba(0, 212, 255, 0.55));
  animation: hud-spin 9s linear infinite;
}
/* 四角括号 */
.hud-bracket {
  position: absolute;
  width: 20px; height: 20px;
  border-color: rgba(0, 212, 255, 0.55);
  border-style: solid;
  border-width: 0;
}
.b-tl { left: 0;    top: 0;    border-left-width: 2px; border-top-width: 2px; }
.b-tr { right: 0;   top: 0;    border-right-width: 2px; border-top-width: 2px; }
.b-bl { left: 0;    bottom: 0; border-left-width: 2px; border-bottom-width: 2px; }
.b-br { right: 0;   bottom: 0; border-right-width: 2px; border-bottom-width: 2px; }

/* ---------- 垂直扫描线 ---------- */
.core-scan {
  position: absolute;
  left: 4%; right: 4%;
  height: 1px;
  top: 0;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.75), transparent);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.6);
  animation: core-scan 5.5s ease-in-out infinite;
}
@keyframes core-scan {
  0%   { top: 4%;  opacity: 0; }
  12%  { opacity: 1; }
  88%  { opacity: 1; }
  100% { top: 96%; opacity: 0; }
}

/* ============================================================
   C. 3D 立体文字
   ============================================================ */
.text3d {
  position: relative;
  display: inline-block;
  font-weight: 900;
  letter-spacing: -1px;
  color: transparent;
  background: linear-gradient(180deg, #ffffff 0%, #cfe9ff 42%, #6fb6d8 72%, #2d6b8a 100%);
  -webkit-background-clip: text;
  background-clip: text;
  text-shadow:
    1px 1px 0 rgba(0, 212, 255, 0.55),
    2px 2px 0 rgba(0, 212, 255, 0.40),
    3px 3px 0 rgba(177, 74, 255, 0.32),
    4px 4px 0 rgba(255, 79, 157, 0.24),
    6px 6px 14px rgba(0, 0, 0, 0.55);
  transform: perspective(600px) rotateX(4deg);
  transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.text3d:hover {
  transform: perspective(600px) rotateX(-2deg) translateY(-3px) scale(1.03);
}

/* ============================================================
   D. 技能雷达(canvas)
   ============================================================ */
.skill-matrix { position: relative; }
.radar-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.radar-box {
  position: relative;
  width: 340px; height: 340px;
  flex-shrink: 0;
}
#radar-canvas { width: 100%; height: 100%; display: block; }
.radar-legend {
  display: flex; flex-direction: column; gap: 12px;
  min-width: 200px;
}
.radar-item {
  display: flex; align-items: center; gap: 12px;
  font-size: 13px; letter-spacing: 1px;
  color: var(--text-1);
  font-family: 'JetBrains Mono', monospace;
}
.radar-swatch {
  width: 11px; height: 11px; border-radius: 2px;
  box-shadow: 0 0 10px currentColor;
}
.radar-val { margin-left: auto; color: var(--neon-cyan); font-weight: 600; }

/* 技能条 */
.skill-bars {
  display: flex; flex-direction: column; gap: 16px;
  max-width: 720px;
  margin-left: auto; margin-right: auto;
}
.skill-row {
  display: flex; align-items: center; gap: 14px;
  padding: 7px 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.022);
  border: 1px solid rgba(120, 180, 255, 0.10);
  transition: border-color 0.3s, background 0.3s;
}
.skill-row:hover {
  border-color: rgba(0, 212, 255, 0.38);
  background: rgba(0, 212, 255, 0.045);
}
.skill-name {
  display: block;
  font-size: 12px; letter-spacing: 1.5px;
  color: var(--text-1);
  font-family: 'JetBrains Mono', monospace;
  min-width: 96px;
  text-transform: uppercase;
}
.skill-track {
  display: block;
  flex: 1; height: 10px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(120, 180, 255, 0.12);
  border-radius: 5px; overflow: hidden;
  position: relative;
}
.skill-fill {
  display: block;
  position: relative;
  height: 100%; width: 0;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
  box-shadow: 0 0 14px rgba(0, 212, 255, 0.75);
  transition: width 1.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}
/* 填充条内的斜纹质感 */
.skill-fill::after {
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    115deg, rgba(255,255,255,0.14) 0 8px, transparent 8px 18px
  );
}
/* 末端高亮点 */
.skill-fill::before {
  content: '';
  position: absolute; right: 0; top: 0; bottom: 0;
  width: 3px;
  background: #fff;
  box-shadow: 0 0 10px rgba(255,255,255,0.95);
  border-radius: 2px;
}
.skill-pct {
  display: block;
  font-size: 12px; color: var(--neon-cyan);
  font-family: 'JetBrains Mono', monospace;
  min-width: 38px; text-align: right;
}

/* ============================================================
   E. 时间线
   ============================================================ */
.timeline {
  position: relative;
  padding-left: 34px;
  margin-top: 12px;
}
.timeline::before {
  content: '';
  position: absolute; left: 9px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg,
    var(--neon-cyan), var(--neon-purple) 55%, var(--neon-magenta));
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.4);
}
.tl-item { position: relative; margin-bottom: 34px; }
.tl-item:last-child { margin-bottom: 0; }
.tl-item::before {
  content: '';
  position: absolute; left: -30px; top: 7px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--bg-1);
  border: 2px solid var(--neon-cyan);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.8);
  transition: transform 0.3s, box-shadow 0.3s;
}
.tl-item:hover::before {
  transform: scale(1.45);
  box-shadow: 0 0 20px rgba(255, 79, 157, 0.95);
  border-color: var(--neon-magenta);
}
.tl-year {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; letter-spacing: 3px;
  color: var(--neon-cyan);
  margin-bottom: 6px;
}
.tl-title {
  font-size: 18px; font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-0);
}
.tl-desc {
  font-size: 14px; line-height: 1.7;
  color: var(--text-1);
}
.tl-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.tl-tag {
  font-size: 11px; padding: 3px 10px;
  border-radius: 3px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.25);
  color: var(--neon-cyan);
  font-family: 'JetBrains Mono', monospace;
}

/* ============================================================
   F. 终端窗口
   ============================================================ */
.terminal {
  background: rgba(5, 8, 22, 0.72);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.5),
    0 0 40px rgba(0, 212, 255, 0.07);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.term-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.035);
  border-bottom: 1px solid var(--glass-border);
}
.term-dot {
  width: 11px; height: 11px; border-radius: 50%;
  flex-shrink: 0;
}
.term-dot.r { background: #ff5f57; }
.term-dot.y { background: #febc2e; }
.term-dot.g { background: #28c840; }
.term-title {
  margin-left: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; letter-spacing: 1.5px;
  color: var(--text-2);
}
.term-body {
  padding: 22px 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px; line-height: 1.95;
  min-height: 260px;
}
.term-line { white-space: pre-wrap; word-break: break-word; }
.term-line .p { color: var(--neon-cyan); }
.term-line .m { color: var(--neon-magenta); }
.term-line .g { color: var(--neon-cyan); }
.term-line .y { color: var(--neon-yellow); }
.term-line .d { color: var(--text-2); }
.term-cursor {
  display: inline-block;
  width: 8px; height: 15px;
  background: var(--neon-cyan);
  vertical-align: -2px;
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.9);
  animation: blink 1s steps(1) infinite;
}

/* ============================================================
   G. 新板块外壳
   ============================================================ */
.skills {
  background: linear-gradient(180deg, var(--bg-1) 0%, var(--bg-0) 100%);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.journey {
  background: linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 100%);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.terminal-sec {
  background: var(--bg-1);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.skills .container, .journey .container, .terminal-sec .container {
  position: relative; z-index: 1;
}

.journey-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: start;
}
@media (max-width: 900px) {
  .journey-grid { grid-template-columns: 1fr; gap: 40px; }
}
.journey-aside {
  padding: 26px 28px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  backdrop-filter: blur(10px);
}
.journey-aside h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; letter-spacing: 2.5px;
  color: var(--neon-cyan);
  margin-bottom: 14px;
  text-transform: uppercase;
}
.journey-aside p {
  font-size: 14px; line-height: 1.85;
  color: var(--text-1);
}
.kv-row {
  display: flex; justify-content: space-between;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(120, 180, 255, 0.13);
  font-size: 13px;
}
.kv-row:last-child { border-bottom: none; }
.kv-k { color: var(--text-2); font-family: 'JetBrains Mono', monospace; letter-spacing: 1px; }
.kv-v { color: var(--text-0); font-weight: 500; }

/* ============================================================
   H. 移动端适配
   ============================================================ */
@media (max-width: 860px) {
  .core-stage { display: none; }
  .tilt-stage { opacity: 0.35; }
  .radar-box { width: 260px; height: 260px; }
  .radar-wrap { gap: 28px; }
  .text3d { text-shadow: 1px 1px 0 rgba(0,212,255,.5), 2px 2px 0 rgba(177,74,255,.3), 3px 3px 8px rgba(0,0,0,.5); }
}

@media (prefers-reduced-motion: reduce) {
  .core-cube, .core-orbit-a, .core-orbit-b,
  .core-nucleus, .core-node, .core-scan,
  .hud-ring-2, .hud-arc { animation: none !important; }
  .tilt-glow { animation: none; }
  .skill-fill { transition: none; }
}