/* ============================================================
   Portfolio · 未来科技 · 冰铂银单色主题 (ICY PLATINUM)
   配色：近黑蓝底 + 单一冰蓝(#6FD3FF) + 深浅冰蓝层次(#A8E2FF / #4AA8E0)
   元素：合成波网格地面 · CRT 扫描线 · 故障字 · 全息旋转描边 · 光束扫过
   ============================================================ */

:root {
  --bg: #05070B;
  --bg-2: #0A0E16;
  --panel: rgba(111, 211, 255, .05);
  --panel-2: rgba(111, 211, 255, .08);
  --line: rgba(111, 211, 255, .16);
  --line-strong: rgba(168, 226, 255, .38);
  --text: #E8EEF5;
  --muted: #8A97A8;
  --dim: #5F6B7A;
  --c1: #6FD3FF;   /* 冰蓝（主色） */
  --c2: #A8E2FF;   /* 浅冰蓝 */
  --c3: #4AA8E0;   /* 深冰蓝 */
  --grad: linear-gradient(92deg, #4AA8E0 0%, #6FD3FF 55%, #A8E2FF 100%);
  --grad-soft: linear-gradient(160deg, rgba(111, 211, 255, .12), rgba(168, 226, 255, .08));
  --glow: 0 0 22px rgba(111, 211, 255, .4);
  --radius: 16px;
  --ease-expo: cubic-bezier(.16, 1, .3, 1);
  --ease-quart: cubic-bezier(.25, 1, .5, 1);
  --mono: "Share Tech Mono", ui-monospace, "SF Mono", "Cascadia Code", Consolas, monospace;
  --display: "Orbitron", "Rajdhani", ui-sans-serif, system-ui, sans-serif;
  --sans: "Rajdhani", ui-sans-serif, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  letter-spacing: .2px;
}

/* ---- 背景：霓虹网格纹理（全站固定） ---- */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -4;
  background:
    radial-gradient(circle at 20% 0%, rgba(111, 211, 255, .14), transparent 42%),
    radial-gradient(circle at 82% 12%, rgba(168, 226, 255, .12), transparent 42%),
    radial-gradient(circle at 50% 120%, rgba(74, 168, 224, .16), transparent 55%),
    var(--bg);
  pointer-events: none;
}

/* ---- 顶部霓虹光晕装饰 ---- */
body::after {
  content: "";
  position: fixed;
  top: -260px; left: 50%;
  transform: translateX(-50%);
  width: 130vw; height: 620px;
  z-index: -5;
  background:
    radial-gradient(ellipse 42% 55% at 28% 42%, rgba(111, 211, 255, .16), transparent 65%),
    radial-gradient(ellipse 40% 52% at 72% 38%, rgba(168, 226, 255, .14), transparent 65%);
  pointer-events: none;
}

/* ---- 合成波滚动网格地面（fx.js 注入 .fx-grid） ---- */
.fx-grid {
  position: fixed;
  left: -60%; right: -60%; bottom: -12%;
  height: 62vh;
  z-index: -3;
  background-image:
    linear-gradient(rgba(111, 211, 255, .55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168, 226, 255, .35) 1px, transparent 1px);
  background-size: 46px 46px;
  transform: perspective(340px) rotateX(70deg);
  transform-origin: bottom center;
  -webkit-mask-image: linear-gradient(to top, #000 0%, rgba(0, 0, 0, .4) 45%, transparent 86%);
          mask-image: linear-gradient(to top, #000 0%, rgba(0, 0, 0, .4) 45%, transparent 86%);
  opacity: .55;
  animation: gridmove 5.5s linear infinite;
  pointer-events: none;
}
@keyframes gridmove { from { background-position-y: 0; } to { background-position-y: 46px; } }

/* 地平线霓虹光带 */
.fx-grid::after {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--c1), var(--c2), transparent);
  box-shadow: 0 0 18px var(--c1), 0 0 30px var(--c2);
}

/* ---- CRT 扫描线 + 扫描光束（fx.js 注入 .fx-scan） ---- */
.fx-scan {
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  background: repeating-linear-gradient(to bottom, rgba(255, 255, 255, .022) 0 1px, transparent 1px 3px);
  opacity: .7;
}
.fx-scan::after {
  content: "";
  position: absolute;
  left: 0; right: 0; height: 130px;
  background: linear-gradient(to bottom, transparent, rgba(111, 211, 255, .05), transparent);
  animation: scan 7s linear infinite;
}
@keyframes scan { from { top: -130px; } to { top: 100%; } }

/* ---- 暗角（fx.js 注入 .fx-vignette） ---- */
.fx-vignette {
  position: fixed;
  inset: 0;
  z-index: 9997;
  pointer-events: none;
  box-shadow: inset 0 0 220px rgba(0, 0, 0, .85);
}

/* ---- 粒子背景画布（fx.js 注入 .fx-bg） ---- */
.fx-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
}

/* ---- 顶部阅读进度条 ---- */
.fx-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0;
  z-index: 10001;
  background: var(--grad);
  box-shadow: 0 0 14px var(--c1), 0 0 22px var(--c2);
  transition: width .08s linear;
}

::selection { background: rgba(168, 226, 255, .34); color: #fff; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #0e1a2c; border-radius: 8px; box-shadow: inset 0 0 6px rgba(111,211,255,.4); }
::-webkit-scrollbar-thumb:hover { background: #1c2c4a; }

a { color: inherit; }
img { max-width: 100%; }

/* ================= 导航（nav.js 注入 .sk-nav） ================= */
.sk-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 9990;
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 max(22px, calc((100vw - 1080px) / 2));
  background: rgba(4, 5, 12, .55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(111, 211, 255, .12);
  transition: border-color .25s ease, background .25s ease, transform .3s ease;
  font-family: var(--sans);
}
.sk-nav.scrolled {
  background: rgba(4, 5, 12, .85);
  border-bottom-color: var(--line-strong);
  box-shadow: 0 0 24px rgba(111, 211, 255, .12);
}
.sk-nav--hidden { transform: translateY(-100%); }
.sk-nav a { text-decoration: none; }

.sk-brand { display: flex; align-items: baseline; gap: 10px; min-width: 0; }
.sk-brand b {
  font-family: var(--display);
  font-size: 17px;
  font-weight: 900;
  letter-spacing: 2px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
  text-shadow: 0 0 18px rgba(111, 211, 255, .25);
}
.sk-brand span {
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--dim);
  font-family: var(--mono);
  white-space: nowrap;
}

.sk-links { display: flex; align-items: center; gap: 2px; overflow-x: auto; scrollbar-width: none; }
.sk-links::-webkit-scrollbar { display: none; }
.sk-links a {
  padding: 7px 14px;
  border-radius: 10px;
  font-size: 14px;
  color: var(--muted);
  white-space: nowrap;
  font-weight: 600;
  letter-spacing: .5px;
  position: relative;
  transition: color .2s ease, background .2s ease, text-shadow .2s ease;
}
.sk-links a:hover { color: var(--text); background: var(--panel); text-shadow: 0 0 12px rgba(111, 211, 255, .6); }
.sk-links a.on { color: var(--c1); font-weight: 700; text-shadow: 0 0 12px rgba(111, 211, 255, .7); }
.sk-links a.on::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 3px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
  box-shadow: 0 0 10px var(--c1), 0 0 16px var(--c2);
}

/* ================= 布局容器 ================= */
.site {
  max-width: 1080px;
  margin: 0 auto;
  padding: 92px max(22px, 4vw) 60px;
}

/* ================= Hero ================= */
.hero { padding: 60px 0 30px; position: relative; }

.kicker {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 4px;
  color: var(--c1);
  margin-bottom: 24px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-shadow: 0 0 12px rgba(111, 211, 255, .5);
}
.kicker::before {
  content: "";
  width: 36px; height: 1.5px;
  background: var(--grad);
  box-shadow: 0 0 10px var(--c1), 0 0 14px var(--c2);
}

.hero-title {
  font-family: var(--display);
  font-size: clamp(42px, 7.5vw, 80px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: 1px;
  margin-bottom: 22px;
  position: relative;
}
.hero-title .hl {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 16px rgba(168, 226, 255, .55));
}

/* 故障字 glitch（周期爆发，平时显示渐变原字） */
.glitch::before, .glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  font: inherit;
  letter-spacing: inherit;
}
.glitch::before { color: var(--c2); animation: glitchA 5s steps(2, end) infinite; }
.glitch::after { color: var(--c1); animation: glitchB 5s steps(2, end) infinite; }
@keyframes glitchA {
  0%, 91%, 100% { opacity: 0; transform: translate(0, 0); clip-path: inset(0 0 100% 0); }
  92% { opacity: .85; transform: translate(-4px, -2px); clip-path: inset(8% 0 62% 0); }
  95% { opacity: .85; transform: translate(4px, 2px); clip-path: inset(54% 0 18% 0); }
  98% { opacity: .85; transform: translate(-3px, 1px); clip-path: inset(30% 0 40% 0); }
}
@keyframes glitchB {
  0%, 91%, 100% { opacity: 0; transform: translate(0, 0); clip-path: inset(0 0 100% 0); }
  93% { opacity: .85; transform: translate(4px, 2px); clip-path: inset(14% 0 56% 0); }
  96% { opacity: .85; transform: translate(-4px, -2px); clip-path: inset(60% 0 12% 0); }
  99% { opacity: .85; transform: translate(3px, -1px); clip-path: inset(40% 0 34% 0); }
}

.typewriter {
  display: inline-block;
  border-right: 2.5px solid var(--c2);
  padding-right: 6px;
  color: var(--c1);
  text-shadow: 0 0 12px rgba(111, 211, 255, .55);
  animation: blink .85s step-end infinite;
}
@keyframes blink { 50% { border-color: transparent; } }

.hero-sub {
  font-size: 19px;
  color: var(--muted);
  max-width: 640px;
  margin-bottom: 18px;
}
.hero-note {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--dim);
  letter-spacing: 1px;
  margin-bottom: 34px;
}

.contact-row { display: flex; gap: 14px; flex-wrap: wrap; }

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1px;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform .2s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
}
.contact-btn--dark {
  background: var(--grad);
  color: #05070B;
  box-shadow: 0 4px 24px rgba(168, 226, 255, .4), 0 0 18px rgba(111, 211, 255, .35);
}
.contact-btn--dark:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 34px rgba(168, 226, 255, .6), 0 0 28px rgba(111, 211, 255, .5);
}
.contact-btn--dark:active { transform: translateY(0) scale(.97); }
.contact-btn--light {
  background: var(--panel);
  border: 1px solid var(--line-strong);
  color: var(--text);
  backdrop-filter: blur(8px);
  box-shadow: inset 0 0 18px rgba(111, 211, 255, .06);
}
.contact-btn--light:hover {
  transform: translateY(-2px);
  border-color: var(--c1);
  box-shadow: 0 0 22px rgba(111, 211, 255, .35), inset 0 0 22px rgba(168, 226, 255, .08);
  text-shadow: 0 0 12px rgba(111, 211, 255, .7);
}
.contact-btn--light:active { transform: translateY(0) scale(.97); }

/* ================= 区块 ================= */
.sect { margin: 76px 0; }

.sect-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 30px;
}
.sect-head h2 {
  font-family: var(--display);
  font-size: 27px;
  font-weight: 800;
  letter-spacing: 2px;
  text-shadow: 0 0 18px rgba(111, 211, 255, .18);
  position: relative;
}
.sect-head h2::after {
  content: ""; display: block; width: 42px; height: 3px; margin-top: 10px;
  border-radius: 3px; background: var(--grad);
  box-shadow: 0 0 12px var(--c1), 0 0 16px var(--c2);
}
.sect-head .no {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 3px;
  color: var(--c2);
  text-shadow: 0 0 10px rgba(168, 226, 255, .4);
  white-space: nowrap;
}

/* ================= 作品卡片 ================= */
.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
  perspective: 1400px;
}
@media (max-width: 760px) { .work-grid { grid-template-columns: 1fr; } }

.work-card {
  display: block;
  text-decoration: none;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform .25s ease, box-shadow .3s ease, border-color .3s ease;
}
.work-card:hover {
  border-color: var(--line-strong);
  box-shadow: 0 18px 50px rgba(2, 4, 12, .8), 0 0 26px rgba(111, 211, 255, .22), 0 0 40px rgba(168, 226, 255, .14);
}

/* 全息旋转霓虹描边（hover） */
.work-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 1.5px;
  background: conic-gradient(from var(--ang, 0deg), transparent 0 64%, var(--c1) 78%, var(--c2) 90%, transparent 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity .3s ease;
  pointer-events: none;
}
.work-card:hover::after { opacity: 1; animation: spin 3s linear infinite; }
@property --ang { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
@keyframes spin { to { --ang: 360deg; } }

/* 3D tilt（fx.js） */
.work-card.tilt { transform-style: preserve-3d; will-change: transform; transition: transform .12s ease-out; }
.work-card.tilt .wc-media, .work-card.tilt .wc-info { transform: translateZ(18px); }

.wc-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-2);
}
.wc-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s ease, filter .5s ease;
}
.work-card:hover .wc-media img { transform: scale(1.06); filter: brightness(1.14) saturate(1.1); }

/* 悬停光束扫过 */
.wc-media::after {
  content: "";
  position: absolute;
  top: 0; left: -60%;
  width: 50%; height: 100%;
  background: linear-gradient(105deg, transparent, rgba(111, 211, 255, .22), rgba(168, 226, 255, .18), transparent);
  transform: skewX(-18deg);
  opacity: 0;
  transition: opacity .3s ease;
  pointer-events: none;
}
.work-card:hover .wc-media::after { opacity: 1; animation: sweep 1.1s ease-in-out; }
@keyframes sweep { from { left: -60%; } to { left: 120%; } }

.wc-tag {
  position: absolute;
  top: 14px; left: 14px;
  z-index: 2;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 6px 12px;
  border-radius: 999px;
  color: #dff6ff;
  background: rgba(4, 5, 12, .62);
  border: 1px solid rgba(111, 211, 255, .5);
  backdrop-filter: blur(8px);
  font-family: var(--mono);
  text-shadow: 0 0 10px rgba(111, 211, 255, .6);
}

.wc-media--type { display: flex; align-items: flex-end; padding: 22px; }
.cover-a { background:
  radial-gradient(ellipse 90% 70% at 15% 0%, rgba(111,211,255,.35), transparent 60%),
  radial-gradient(ellipse 80% 70% at 90% 100%, rgba(168,226,255,.4), transparent 60%),
  linear-gradient(160deg, #0a1626, #0a1120 55%, #0e1830); }
.cover-b { background:
  radial-gradient(ellipse 90% 70% at 80% 10%, rgba(74,168,224,.4), transparent 60%),
  radial-gradient(ellipse 80% 70% at 10% 100%, rgba(111,211,255,.32), transparent 60%),
  linear-gradient(160deg, #0d1226, #0b1124 55%, #0a1626); }
.cover-c { background:
  radial-gradient(ellipse 90% 70% at 85% 0%, rgba(168,226,255,.32), transparent 60%),
  radial-gradient(ellipse 80% 70% at 10% 100%, rgba(111,211,255,.3), transparent 60%),
  linear-gradient(160deg, #12192e, #0d1226 55%, #0a1626); }
.wc-media--type::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(111, 211, 255, .14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168, 226, 255, .12) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(ellipse 80% 90% at 50% 100%, #000 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 90% at 50% 100%, #000 20%, transparent 80%);
}
.cover-type { position: relative; z-index: 1; display: flex; align-items: flex-end; gap: 16px; width: 100%; }
.ct-no {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: rgba(180, 220, 255, .75);
  writing-mode: vertical-rl;
  padding-bottom: 2px;
}
.ct-title {
  font-family: var(--display);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: .5px;
  color: #f2f7ff;
  text-shadow: 0 2px 24px rgba(4, 5, 12, .9), 0 0 20px rgba(111, 211, 255, .3);
}
.ct-sub {
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 1px;
  color: rgba(170, 205, 255, .85);
}

.wc-info { padding: 20px 22px 22px; }
.wc-title { font-family: var(--display); font-size: 18px; font-weight: 800; letter-spacing: .5px; margin-bottom: 6px; }
.wc-desc { font-size: 14px; color: var(--muted); line-height: 1.65; margin-bottom: 12px; }
.wc-go {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--c1);
  font-family: var(--mono);
  letter-spacing: 1px;
  text-shadow: 0 0 10px rgba(111, 211, 255, .4);
}
.work-card:hover .wc-go { text-shadow: 0 0 16px rgba(111, 211, 255, .9); }

/* ================= 作品筛选 ================= */
.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
.filter-btn {
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
  font-family: var(--sans);
  transition: all .2s ease;
}
.filter-btn:hover { color: var(--text); border-color: var(--c1); box-shadow: 0 0 14px rgba(111, 211, 255, .25); }
.filter-btn.on {
  background: var(--grad);
  color: #05070B;
  border-color: transparent;
  font-weight: 700;
  box-shadow: 0 0 20px rgba(168, 226, 255, .4), 0 0 14px rgba(111, 211, 255, .35);
}
.work-card.hide { display: none; }

/* ================= 数据概览 ================= */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
@media (max-width: 760px) { .stats { grid-template-columns: 1fr; } }
.stat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}
.stat::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--grad);
  box-shadow: 0 0 12px var(--c1);
}
.stat:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
  box-shadow: 0 12px 34px rgba(2, 4, 12, .7), 0 0 20px rgba(168, 226, 255, .14);
}
.stat b {
  display: block;
  font-size: 40px;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 10px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-family: var(--mono);
  filter: drop-shadow(0 0 12px rgba(111, 211, 255, .25));
}
.stat span { font-size: 13.5px; color: var(--muted); line-height: 1.6; }

/* ================= 标签 chips ================= */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 15px;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  backdrop-filter: blur(8px);
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.chip em {
  font-family: var(--mono);
  font-style: normal;
  font-size: 10.5px;
  letter-spacing: 1.5px;
  color: var(--dim);
}
.chip:hover {
  border-color: var(--c1);
  box-shadow: 0 0 16px rgba(111, 211, 255, .25);
  transform: translateY(-1px);
  text-shadow: 0 0 10px rgba(111, 211, 255, .4);
}

/* ================= 时间线 ================= */
.timeline {
  position: relative;
  padding-left: 30px;
  display: grid;
  gap: 30px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 7px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--c1), var(--c3), var(--c2));
  opacity: .7;
  box-shadow: 0 0 12px var(--c1), 0 0 18px var(--c2);
}
.tl-item { position: relative; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -28.5px; top: 7px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--bg);
  border: 2.5px solid var(--c1);
  box-shadow: 0 0 14px var(--c1), 0 0 20px var(--c2);
}
.tl-date {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--c1);
  margin-bottom: 5px;
  text-shadow: 0 0 10px rgba(111, 211, 255, .4);
}
.tl-item h3 { font-size: 18px; font-weight: 750; margin-bottom: 6px; }
.tl-item p { font-size: 14.5px; color: var(--muted); max-width: 680px; margin-bottom: 10px; }
.tl-tags { margin-top: 2px; }

/* ================= 关于页 ================= */
.about-head { display: flex; gap: 26px; align-items: flex-start; }
@media (max-width: 640px) { .about-head { flex-direction: column; } }
.about-avatar {
  flex: none;
  width: 88px; height: 88px;
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 1px;
  color: #05070B;
  background: var(--grad);
  box-shadow: 0 8px 30px rgba(168, 226, 255, .4), 0 0 20px rgba(111, 211, 255, .3);
  font-family: var(--display);
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 760px) { .grid-2 { grid-template-columns: 1fr; } }

.blk {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  backdrop-filter: blur(10px);
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}
.blk:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(2, 4, 12, .6), 0 0 18px rgba(111, 211, 255, .12);
}
.blk.strong { border-color: var(--line-strong); background: var(--grad-soft); box-shadow: inset 0 0 24px rgba(168, 226, 255, .08); }
.blk h3 { font-size: 16.5px; font-weight: 750; margin-bottom: 8px; }
.blk p { font-size: 14.5px; color: var(--muted); line-height: 1.7; }
.blk strong { color: var(--text); }

.values li {
  position: relative;
  padding: 12px 0 12px 26px;
  font-size: 15.5px;
  color: var(--muted);
  border-bottom: 1px dashed var(--line);
}
.values li:last-child { border-bottom: none; }
.values li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--c2);
  font-size: 14px;
  top: 14px;
  text-shadow: 0 0 10px rgba(168, 226, 255, .5);
}
.values strong { color: var(--text); }

.meta { font-family: var(--mono); font-size: 13px; color: var(--dim); letter-spacing: .5px; }
.more-link {
  display: inline-block;
  margin-top: 18px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--c1);
  text-decoration: none;
  text-transform: uppercase;
  border-bottom: 1.5px solid rgba(111, 211, 255, .4);
  padding-bottom: 3px;
  transition: border-color .2s ease, text-shadow .2s ease;
}
.more-link:hover { border-color: var(--c1); text-shadow: 0 0 16px rgba(111, 211, 255, .8); }

/* ================= 项目详情页 ================= */
.back-link {
  display: inline-flex; align-items: center; gap: 8px;
  margin-bottom: 28px;
  padding: 10px 22px;
  font-family: var(--mono);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--c1);
  text-decoration: none;
  border: 1px solid rgba(111, 211, 255, .35);
  border-radius: 12px;
  background: rgba(111, 211, 255, .06);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  box-shadow:
    0 0 14px rgba(111, 211, 255, .12),
    inset 0 0 16px rgba(111, 211, 255, .04);
  transition: all .28s ease;
  cursor: pointer;
}
.back-link::before {
  content: '◀';
  font-size: 11px;
  margin-right: 2px;
}
.back-link:hover {
  color: #fff;
  border-color: var(--c1);
  background: rgba(111, 211, 255, .15);
  box-shadow:
    0 0 26px rgba(111, 211, 255, .3),
    0 0 50px rgba(111, 211, 255, .1),
    inset 0 0 20px rgba(111, 211, 255, .08);
  transform: translateX(-3px);
  text-shadow: 0 0 12px rgba(111, 211, 255, .7);
}
.back-link:active { transform: translateX(-1px) scale(.97); }

.proj-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }

.proj-title {
  font-family: var(--display);
  font-size: clamp(30px, 4.6vw, 46px);
  font-weight: 900;
  letter-spacing: 1px;
  line-height: 1.15;
  margin-bottom: 14px;
  text-shadow: 0 0 22px rgba(111, 211, 255, .18);
}
.proj-lead { font-size: 17.5px; color: var(--muted); max-width: 660px; margin-bottom: 36px; }

.proj-hero {
  border-radius: 20px;
  overflow: hidden;
  margin-bottom: 44px;
  border: 1px solid var(--line);
  box-shadow: 0 22px 60px rgba(2, 4, 12, .8), 0 0 26px rgba(111, 211, 255, .14);
}
.proj-hero img { width: 100%; display: block; }

/* 合集图片直展（替代原 viewer3d） */
.proj-strip {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 44px;
}
.proj-strip img {
  width: 100%;
  display: block;
  border-radius: 14px;
  border: 1px solid var(--line);
  box-shadow: 0 12px 36px rgba(2,4,12,.65), 0 0 16px rgba(111,211,255,.08);
  transition: transform .3s ease, box-shadow .3s ease;
}
.proj-strip img:hover {
  transform: scale(1.01);
  box-shadow: 0 16px 48px rgba(2,4,12,.75), 0 0 24px rgba(111,211,255,.15);
}

/* 漫剧剧集播放（V6.2 新增，V6.3 改为选集模式） */

/* 选集按钮行 */
.ep-picker {
  display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px;
}
.ep-btn {
  font-family: "Orbitron", sans-serif; font-weight: 800;
  font-size: 13px; letter-spacing: 2px; padding: 10px 22px;
  border-radius: 12px; border: 1px solid rgba(111,211,255,.35);
  background: rgba(4,6,18,.72); color: var(--c1);
  cursor: pointer; transition: all .25s ease;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 0 12px rgba(111,211,255,.1), inset 0 0 10px rgba(111,211,255,.04);
}
.ep-btn:hover { border-color: var(--c1); background: rgba(111,211,255,.1); box-shadow: 0 0 22px rgba(111,211,255,.28), inset 0 0 14px rgba(111,211,255,.08); }
.ep-btn.active {
  color: #05070B; background: linear-gradient(135deg, #6FD3FF, #4AA8E0);
  border-color: transparent; box-shadow: 0 0 20px rgba(111,211,255,.45), 0 0 30px rgba(74,168,224,.22);
}
@media (hover:hover) and (pointer:fine) {
  .ep-btn:hover { transform: translateY(-2px) scale(1.03); }
}

/* 播放器容器（单集） */
.ep-player {
  position: relative; border-radius: 18px; overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 18px 50px rgba(2,4,12,.7), 0 0 22px rgba(111,211,255,.12);
  background: rgba(4,6,16,.6);
}
.ep-player .de-num {
  position: absolute; top: 14px; left: 14px; z-index: 5;
  font-family: "Orbitron", sans-serif; font-weight: 900; font-size: 14px; letter-spacing: 2px;
  padding: 6px 12px; border-radius: 8px; color: #05070B;
  background: linear-gradient(135deg, #6FD3FF, #4AA8E0);
  box-shadow: 0 0 14px rgba(111,211,255,.4);
  pointer-events: none;
}
.drama-video { width: 100%; display: block; background: #05070B; aspect-ratio: 16 / 9; }
.ep-caption {
  padding: 14px 18px; font-size: 14px; color: var(--muted);
  font-family: var(--mono); letter-spacing: .5px; border-top: 1px solid var(--line);
}
.proj-hero--type { display: flex; flex-direction: column; justify-content: flex-end; min-height: 300px; padding: 30px; }
.proj-hero--type::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(111, 211, 255, .1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168, 226, 255, .1) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(ellipse 70% 80% at 50% 100%, #000 10%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 50% 100%, #000 10%, transparent 80%);
  pointer-events: none;
}
.ph-no { font-family: var(--mono); font-size: 11.5px; letter-spacing: 2px; color: rgba(180, 220, 255, .85); margin-bottom: 12px; position: relative; z-index: 1; }
.ph-title { font-family: var(--display); font-size: clamp(24px, 3.6vw, 34px); font-weight: 900; line-height: 1.2; letter-spacing: .5px; position: relative; z-index: 1; text-shadow: 0 2px 24px rgba(4, 5, 12, .9), 0 0 18px rgba(111, 211, 255, .25); }
.ph-sub { margin-top: 10px; font-family: var(--mono); font-size: 13px; line-height: 1.8; color: rgba(170, 205, 255, .9); position: relative; z-index: 1; }

.proj-layout { display: grid; grid-template-columns: 250px 1fr; gap: 44px; align-items: start; }
@media (max-width: 860px) { .proj-layout { grid-template-columns: 1fr; gap: 28px; } }

.proj-aside { position: sticky; top: 88px; }
@media (max-width: 860px) { .proj-aside { position: static; } }
.meta-list { list-style: none; }
.meta-list li {
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
}
.meta-list li:last-child { border-bottom: none; }
.meta-list li span {
  display: block;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 2px;
  color: var(--dim);
  margin-bottom: 3px;
}

.proj-body { min-width: 0; }
.proj-body h2 {
  font-family: var(--display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 1px;
  margin: 40px 0 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.proj-body h2::before {
  content: "";
  width: 26px; height: 3px;
  border-radius: 3px;
  background: var(--grad);
  box-shadow: 0 0 12px var(--c1), 0 0 16px var(--c2);
  flex: none;
}
.proj-body h2:first-child { margin-top: 0; }
.proj-body p { font-size: 15.5px; color: var(--muted); line-height: 1.85; margin-bottom: 14px; }
.proj-body ul { margin: 10px 0 16px 20px; }
.proj-body li { font-size: 15px; color: var(--muted); line-height: 1.85; margin-bottom: 8px; }
.proj-body .blk { margin-bottom: 14px; }

/* ================= 详情页：特性列表 ================= */
.feature-list {
  list-style: none;
  margin-left: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.feature-list li {
  padding: 14px 18px;
  border-radius: 12px;
  border-left: 3px solid var(--c1);
  background: var(--grad-soft);
  font-size: 15px;
  line-height: 1.7;
  color: #dff6ff;
  box-shadow: inset 0 0 20px rgba(111, 211, 255, .05);
}
.feature-list li strong { color: #fff; }

/* ================= 详情页：侧边栏信息块 ================= */
.sidebar-block {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: inset 0 0 22px rgba(111, 211, 255, .05);
}
.sidebar-block h4 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--c1);
  margin: 0 0 12px;
  font-family: var(--mono);
  text-shadow: 0 0 10px rgba(111, 211, 255, .4);
}
.sidebar-block dl { margin: 0; font-size: 13.5px; }
.sidebar-block dt { color: var(--dim); margin-top: 8px; }
.sidebar-block dd { margin: 2px 0 10px; color: #c8d4eb; }

/* ================= 详情页：展板画廊 ================= */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
@media (max-width: 760px) { .gallery-grid { grid-template-columns: 1fr; } }
.gallery-item {
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
  position: relative;
}
.gallery-item img {
  width: 100%;
  display: block;
  border-radius: 0;
  transition: transform .5s ease, filter .5s ease;
}
.gallery-item:hover img { transform: scale(1.03); filter: brightness(1.12) saturate(1.1); }
.gallery-item figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--dim);
  font-family: var(--mono);
  letter-spacing: .3px;
}

.quote {
  margin: 0 0 8px;
  padding: 18px 22px;
  border-radius: 14px;
  border-left: 3px solid var(--c1);
  background: var(--grad-soft);
  font-size: 16.5px;
  font-weight: 650;
  line-height: 1.7;
  color: #dff6ff;
  box-shadow: inset 0 0 30px rgba(111, 211, 255, .08);
}

/* ================= 空状态占位（壳模式） ================= */
.empty-state {
  text-align: center;
  padding: 64px 24px;
  border-radius: 20px;
  border: 1px dashed rgba(111, 211, 255, .3);
  background: linear-gradient(160deg, rgba(111, 211, 255, .05), rgba(168, 226, 255, .05));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.empty-icon {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  font-size: 30px;
  color: #aeb9d6;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(111, 211, 255, .2);
  box-shadow: 0 0 24px rgba(168, 226, 255, .18);
}
.empty-state h3 {
  margin: 4px 0 0;
  font-size: 21px;
  font-weight: 750;
  color: #e8eefb;
  letter-spacing: -.01em;
}
.empty-state p {
  margin: 0;
  max-width: 460px;
  color: var(--dim);
  font-size: 15px;
  line-height: 1.7;
}

/* ================= 页脚 ================= */
.site-footer {
  margin-top: 90px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  box-shadow: 0 -1px 0 rgba(111, 211, 255, .1);
}
.small { font-size: 12.5px; color: var(--dim); font-family: var(--mono); letter-spacing: .5px; }

/* ================= 光效光标（fx.js 注入） ================= */
.sk-cursor, .sk-cursor-ring {
  position: fixed; top: 0; left: 0;
  pointer-events: none;
  z-index: 10002;
  border-radius: 50%;
  mix-blend-mode: screen;
  will-change: transform;
}
.sk-cursor {
  width: 7px; height: 7px; margin: -3.5px 0 0 -3.5px;
  background: var(--c1);
  box-shadow: 0 0 10px var(--c1), 0 0 16px var(--c1);
}
.sk-cursor-ring {
  width: 34px; height: 34px; margin: -17px 0 0 -17px;
  border: 1.5px solid rgba(168, 226, 255, .85);
  box-shadow: 0 0 14px rgba(168, 226, 255, .5), inset 0 0 10px rgba(111, 211, 255, .35);
  transition: width .18s ease, height .18s ease, margin .18s ease, border-color .2s ease, background .2s ease;
}
.sk-cursor-ring.big {
  width: 60px; height: 60px; margin: -30px 0 0 -30px;
  border-color: var(--c1); background: rgba(111, 211, 255, .08);
  box-shadow: 0 0 22px rgba(111, 211, 255, .55), inset 0 0 14px rgba(168, 226, 255, .4);
}
.sk-cursor-ring.down { border-color: var(--c2); box-shadow: 0 0 18px rgba(168, 226, 255, .7); }
@media (hover: hover) and (pointer: fine) {
  body, a, button, .work-card, .tilt, .gallery-item, [data-lightbox], .viewer3d,
  .filter-btn, .chip, .stat, .blk, .lb-close, .lb-prev, .lb-next { cursor: none; }
}

/* ================= 鼠标视差（fx.js 写入 --px/--py） ================= */
[data-parallax] { transform: translate3d(var(--px, 0px), var(--py, 0px), 0); will-change: transform; }

/* ================= 灯箱画廊（fx.js 注入 .lightbox） ================= */
.lightbox {
  position: fixed; inset: 0; z-index: 10003;
  display: flex; align-items: center; justify-content: center;
  padding: 4vh 4vw;
  background: rgba(2, 3, 10, .93);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  opacity: 0; visibility: hidden;
  transition: opacity .3s ease, visibility .3s ease;
  cursor: zoom-out;
  touch-action: none; -webkit-touch-action: none;
}
.lightbox.on { opacity: 1; visibility: visible; }
.lb-figure { margin: 0; max-width: 1120px; max-height: 84vh; display: flex; flex-direction: column; gap: 12px; align-items: center; }
.lb-figure.fullsize-mode { max-width: none; max-height: none; overflow: visible; }
.lightbox.fullsize-active { padding: 2vh 2vw; overflow: auto; }
.lightbox img {
  max-width: 100%; max-height: 78vh; object-fit: contain; display: block;
  border-radius: 12px; border: 1px solid var(--line);
  box-shadow: 0 0 50px rgba(111, 211, 255, .18), 0 0 60px rgba(168, 226, 255, .12);
  transform: scale(.94); transition: transform .35s cubic-bezier(.2, .7, .3, 1);
  touch-action: none; -webkit-touch-action: none;
}
.lightbox.on img { transform: scale(1); }
.lightbox img.fullsize {
  max-width: none; max-height: none;
  width: auto; height: auto;
  object-fit: contain;
}
.lightbox figcaption { text-align: center; font-family: var(--mono); font-size: 13px; color: var(--muted); letter-spacing: 1px; }
.lb-close, .lb-prev, .lb-next {
  position: fixed; z-index: 1; width: 50px; height: 50px;
  display: grid; place-items: center; border-radius: 50%;
  background: rgba(4, 5, 12, .6); border: 1px solid var(--line-strong);
  color: var(--text); font-size: 24px; line-height: 1; cursor: pointer;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 0 18px rgba(168, 226, 255, .3);
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.lb-close { top: 20px; right: 20px; }
.lb-prev { left: 20px; top: 50%; transform: translateY(-50%); font-size: 34px; }
.lb-next { right: 20px; top: 50%; transform: translateY(-50%); font-size: 34px; }
/* hover 仅限鼠标设备，手机触摸不触发"粘滞高亮" */
@media (hover: hover) and (pointer: fine) {
  .lb-close:hover, .lb-prev:hover, .lb-next:hover {
    background: var(--grad); color: #05070B;
    box-shadow: 0 0 26px rgba(111, 211, 255, .55), 0 0 26px rgba(168, 226, 255, .45);
  }
  .lb-prev:hover, .lb-next:hover { transform: translateY(-50%) scale(1.1); }
}
/* 手机触摸：按下瞬间有反馈，松手立刻恢复（不粘滞） */
.lb-close:active, .lb-prev:active, .lb-next:active {
  background: var(--grad); color: #05070B;
  box-shadow: 0 0 26px rgba(111, 211, 255, .55), 0 0 26px rgba(168, 226, 255, .45);
  transform: scale(.92);
}
.lb-prev:active, .lb-next:active { transform: translateY(-50%) scale(.92); }
.lightbox img.zoomed { cursor: grab; }
.lightbox img.zoomed.dragging { cursor: grabbing; transition: none; -webkit-transition: none; }
.lb-hint {
  position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%);
  z-index: 2; padding: 7px 16px; border-radius: 999px;
  font-family: var(--mono); font-size: 12px; letter-spacing: .5px; color: var(--muted);
  background: rgba(4, 5, 12, .55); border: 1px solid var(--line);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  pointer-events: none; user-select: none;
}

/* ================= 作品切换查看器（点击/按钮/平滑过渡） ================= */
.viewer3d {
  position: relative; margin: 0 0 40px;
  border-radius: 18px; overflow: hidden;
  border: 1px solid var(--line);
  background:
    radial-gradient(ellipse 80% 70% at 50% 0%, rgba(111, 211, 255, .16), transparent 60%),
    radial-gradient(ellipse 80% 70% at 50% 100%, rgba(168, 226, 255, .16), transparent 60%),
    var(--bg-2);
  box-shadow: 0 20px 60px rgba(2, 4, 12, .8), 0 0 26px rgba(111, 211, 255, .12);
  aspect-ratio: 16 / 10;
  display: flex; align-items: center; justify-content: center;
  touch-action: pan-y; user-select: none; -webkit-user-select: none;
}

/* 图片舞台 */
.viewer3d-stage {
  position: absolute; inset: 0;
  overflow: hidden; cursor: pointer;
}
.viewer3d-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: contain;
  opacity: 1;
  will-change: opacity, transform;
  backface-visibility: hidden;
}
.viewer3d-img--active { opacity: 1; z-index: 1; }
.viewer3d-img--next { opacity: 0; z-index: 2; }

/* 过渡中才启用动画（内联 transform 驱动滑动+淡入淡出；无模糊，手机不卡） */
.viewer3d-stage.v-transitioning .viewer3d-img {
  transition:
    opacity .42s cubic-bezier(.22, .61, .36, 1),
    transform .42s cubic-bezier(.22, .61, .36, 1);
}

/* 网格叠加层 */
.viewer3d::after {
  content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background-image:
    linear-gradient(rgba(111, 211, 255, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168, 226, 255, .08) 1px, transparent 1px);
  background-size: 32px 32px;
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, #000 10%, transparent 80%);
          mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, #000 10%, transparent 80%);
}

/* 左右箭头按钮 */
.viewer3d-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  z-index: 5; width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(111, 211, 255, .35); border-radius: 50%;
  background: rgba(4, 6, 18, .72);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  color: var(--c1); cursor: pointer;
  box-shadow: 0 0 14px rgba(111, 211, 255, .15), inset 0 0 12px rgba(111, 211, 255, .06);
  transition: all .28s ease; opacity: .78;
  -webkit-tap-highlight-color: transparent; touch-action: manipulation;
}
.viewer3d-btn svg { width: 20px; height: 20px; stroke-width: 2.2; }
@media (hover: hover) and (pointer: fine) {
  .viewer3d-btn:hover {
    opacity: 1; border-color: var(--c1);
    background: rgba(111, 211, 255, .12);
    box-shadow: 0 0 24px rgba(111, 211, 255, .32), inset 0 0 16px rgba(111, 211, 255, .1);
    transform: translateY(-50%) scale(1.1);
  }
}
.viewer3d-btn:active { transform: translateY(-50%) scale(.94); }
.viewer3d-btn--prev { left: 12px; }
.viewer3d-btn--next { right: 12px; }

/* 放大按钮（右下角，更醒目） */
.viewer3d-btn--zoom {
  top: auto; bottom: 14px; right: 14px;
  transform: none;
  width: 50px; height: 50px;
  border-color: rgba(168, 226, 255, .45);
  color: #A8E2FF;
  background: rgba(4, 6, 18, .78);
  box-shadow:
    0 0 18px rgba(168, 226, 255, .22),
    inset 0 0 14px rgba(168, 226, 255, .08);
  opacity: 1;
  animation: zoomPulse 2.8s ease-in-out infinite;
}
.viewer3d-btn--zoom svg { width: 24px; height: 24px; }
@media (hover: hover) and (pointer: fine) {
  .viewer3d-btn--zoom:hover {
    border-color: var(--c3); color: #fff;
    background: linear-gradient(135deg, rgba(168, 226, 255, .18), rgba(74, 168, 224, .18));
    box-shadow:
      0 0 30px rgba(168, 226, 255, .42),
      0 0 50px rgba(74, 168, 224, .2),
      inset 0 0 20px rgba(168, 226, 255, .12);
    transform: scale(1.1) !important;
  }
}
.viewer3d-btn--zoom:active { transform: scale(.94) !important; }
@keyframes zoomPulse {
  0%, 100% { box-shadow: 0 0 18px rgba(168, 226, 255, .22), inset 0 0 14px rgba(168, 226, 255, .08); }
  50% { box-shadow: 0 0 28px rgba(168, 226, 255, .38), inset 0 0 20px rgba(168, 226, 255, .14); }
}

/* 底部信息栏 */
.viewer3d-hint {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 4;
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 56px; font-family: var(--mono); font-size: 12px; letter-spacing: 1px;
  color: #cfe6ff; background: linear-gradient(to top, rgba(2, 3, 10, .85), transparent);
  pointer-events: auto;
}
.viewer3d-hint .viewer3d-idx { color: var(--c1); text-shadow: 0 0 10px rgba(111, 211, 255, .5); }

/* 圆点指示器 */
.viewer3d-dots { display: flex; gap: 7px; align-items: center; }
.viewer3d-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: rgba(120, 140, 180, .28);
  border: 1px solid rgba(111, 211, 255, .2);
  cursor: pointer; transition: all .3s ease;
  box-shadow: none;
}
.viewer3d-dot:hover { background: rgba(111, 211, 255, .36); border-color: rgba(111, 211, 255, .45); }
.viewer3d-dot.on {
  background: var(--c1);
  border-color: var(--c1);
  box-shadow: 0 0 10px rgba(111, 211, 255, .55), 0 0 22px rgba(111, 211, 255, .25);
  transform: scale(1.25);
}

/* ================= 胶片颗粒（质感层 · 高级感细节） ================= */
.fx-grain {
  position: fixed; inset: -50%; z-index: 9996; pointer-events: none;
  width: 200%; height: 200%; opacity: .05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 6s steps(6) infinite;
  will-change: transform;
}
@keyframes grain {
  0%{transform:translate(0,0)} 10%{transform:translate(-4%,-4%)} 20%{transform:translate(-8%,4%)}
  30%{transform:translate(4%,-8%)} 40%{transform:translate(-4%,8%)} 50%{transform:translate(-8%,4%)}
  60%{transform:translate(8%,0)} 70%{transform:translate(0,8%)} 80%{transform:translate(4%,-4%)}
  90%{transform:translate(-4%,-8%)} 100%{transform:translate(0,0)}
}

/* ================= Hero 氛围极光 ================= */
.hero::before {
  content: ""; position: absolute; top: -34%; left: 50%; transform: translateX(-50%);
  width: min(880px, 120vw); height: 540px; z-index: -1; pointer-events: none;
  background:
    radial-gradient(ellipse 50% 60% at 30% 40%, rgba(111, 211, 255, .20), transparent 62%),
    radial-gradient(ellipse 46% 60% at 72% 44%, rgba(168, 226, 255, .16), transparent 62%);
  filter: blur(16px);
  animation: aurora 9s ease-in-out infinite;
}
@keyframes aurora {
  0%, 100% { transform: translateX(-50%) translateY(0) scale(1); opacity: .9; }
  50% { transform: translateX(-50%) translateY(14px) scale(1.05); opacity: 1; }
}

/* ================= 高端开场动画（GSAP 时间轴，CSS 兜底） ================= */
.sk-intro {
  position: fixed; inset: 0; z-index: 10005;
  display: flex; align-items: center; justify-content: center;
  background: #05070B;
  background-image:
    radial-gradient(circle at 50% 38%, rgba(111, 211, 255, .14), transparent 50%),
    radial-gradient(circle at 50% 66%, rgba(168, 226, 255, .12), transparent 50%);
  overflow: hidden;
  --clip: 150%;
  clip-path: circle(var(--clip) at 50% 50%);
}
.sk-intro__bg {
  position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background:
    linear-gradient(transparent 0 31px, rgba(111, 211, 255, .06) 31px 32px) 0 0 / 100% 32px,
    linear-gradient(90deg, transparent 0 31px, rgba(168, 226, 255, .05) 31px 32px) 0 0 / 32px 100%;
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 0%, transparent 72%);
          mask-image: radial-gradient(circle at 50% 50%, #000 0%, transparent 72%);
}
.sk-intro__core { position: relative; width: min(360px, 84vw); text-align: center; }
.sk-intro__mark { width: 124px; height: 124px; margin: 0 auto 22px; display: block; overflow: visible; }
.sk-intro__glyph-img { filter: drop-shadow(0 0 14px rgba(111, 211, 255, .6)); }
.sk-intro__word { overflow: hidden; }
.sk-intro__cn {
  display: block; font-family: var(--display); font-weight: 900; font-size: 32px; letter-spacing: 10px;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 20px rgba(111, 211, 255, .45));
}
.sk-intro__en {
  display: block; margin-top: 8px; font-family: var(--mono); font-size: 12px; letter-spacing: 6px;
  color: var(--c1); text-shadow: 0 0 12px rgba(111, 211, 255, .5);
}
.sk-intro__bar {
  margin: 24px auto 0; width: 200px; height: 2px; border-radius: 2px; overflow: hidden;
  background: rgba(255, 255, 255, .1); box-shadow: inset 0 0 8px rgba(111, 211, 255, .2);
}
.sk-intro__bar i {
  display: block; height: 100%; width: 0; transform-origin: left center;
  background: var(--grad); box-shadow: 0 0 16px var(--c1), 0 0 22px var(--c2);
}
.sk-intro__pct {
  font-family: var(--mono); font-size: 12px; letter-spacing: 3px; color: var(--c1);
  margin-top: 12px; text-shadow: 0 0 12px rgba(111, 211, 255, .5);
}
.sk-intro__skip {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  font-family: var(--mono); font-size: 11px; letter-spacing: 2px; color: var(--dim);
  opacity: 0; animation: skipIn 1s ease 1.4s forwards;
}
@keyframes skipIn { to { opacity: .8; } }
.sk-intro.is-done { pointer-events: none; }

/* ---- Hero 入场（开场后触发，opacity+模糊避免与视差 transform 冲突） ---- */
.hero [data-hero] {
  opacity: 1;
  transition: opacity .9s var(--ease-expo), filter .9s var(--ease-expo);
}
body.intro-loading .hero [data-hero] { opacity: 0; filter: blur(9px); }
body.intro-done .hero [data-hero] { opacity: 1; filter: blur(0); }
body.intro-done .hero [data-hero]:nth-child(1) { transition-delay: .04s; }
body.intro-done .hero [data-hero]:nth-child(2) { transition-delay: .12s; }
body.intro-done .hero [data-hero]:nth-child(3) { transition-delay: .20s; }
body.intro-done .hero [data-hero]:nth-child(4) { transition-delay: .28s; }
body.intro-done .hero [data-hero]:nth-child(5) { transition-delay: .36s; }

/* ---- 无 GSAP 时的 CSS 兜底开场（保证国内沙箱稳定） ---- */
.sk-intro--fallback .sk-intro__glyph-img { opacity: 0; animation: fadeIn .8s ease .5s forwards; }
.sk-intro--fallback .sk-intro__cn { animation: wordUp .8s var(--ease-expo) .5s both; }
.sk-intro--fallback .sk-intro__en { animation: fadeIn .8s ease .9s both; }
.sk-intro--fallback .sk-intro__bar i { animation: barFill 1.1s var(--ease-expo) .6s forwards; }
.sk-intro--fallback .sk-intro__pct { animation: fadeIn .6s ease .9s both; }
.sk-intro--fallback { animation: introOut .7s var(--ease-expo) 2.4s forwards; }
@keyframes ringDraw { to { stroke-dashoffset: 0; } }
@keyframes wordUp { from { opacity: 0; transform: translateY(120%); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes barFill { to { width: 100%; } }
@keyframes introOut { to { opacity: 0; visibility: hidden; } }

/* ================= 页面转场 ================= */
.sk-transition {
  position: fixed; inset: 0; z-index: 10004; pointer-events: none;
  background: #05070B; opacity: 0; transform: translateY(100%);
  transition: transform .5s cubic-bezier(.7, 0, .3, 1), opacity .35s ease;
}
.sk-transition.on { opacity: 1; transform: translateY(0); }
.sk-transition::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: var(--grad); box-shadow: 0 0 20px var(--c1), 0 0 30px var(--c2);
}

/* ================= 滚动渐入动画（fx.js 添加 .in 类） ================= */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  filter: blur(6px);
  transition: opacity .8s var(--ease-expo), transform .8s var(--ease-expo), filter .8s var(--ease-expo);
  transition-delay: var(--rd, 0s);
  will-change: opacity, transform, filter;
}
.reveal.in { opacity: 1; transform: translateY(0); filter: blur(0); }
.reveal[data-rtype="left"] { transform: translateX(-30px); }
.reveal[data-rtype="left"].in { transform: translateX(0); filter: blur(0); }
.reveal[data-rtype="scale"] { transform: scale(.94); }
.reveal[data-rtype="scale"].in { transform: scale(1); filter: blur(0); }

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; filter: none; transition: none; }
  .work-card.tilt { transform: none !important; }
  .fx-grid, .fx-scan::after, .fx-grain, .hero::before { animation: none !important; display: none !important; }
  .glitch::before, .glitch::after { animation: none !important; opacity: 0 !important; }
  .work-card::after { animation: none !important; }
  .sk-intro { display: none !important; }
  body.intro-loading .hero [data-hero] { opacity: 1 !important; filter: none !important; }
}