/* ============================================================
   TechNeko — Y2K NEON HUD
   深空底 / 青·品红·紫霓虹 / 玻璃切角面板 / 扫描线
   ============================================================ */

/* ---------- 1. TOKENS ---------- */
:root {
  --bg: #05060a;
  --bg-2: #080b14;
  --panel: rgba(10, 15, 26, 0.55);
  --panel-solid: #0a0f1a;

  --cyan: #00f0ff;
  --magenta: #ff2fd0;
  --violet: #7c5cff;

  --fg: #dde7f2;
  --fg-dim: #9fb0c6;
  --fg-mute: #6b7c94;
  --line: rgba(120, 180, 220, 0.16);

  --font-display: 'Chakra Petch', 'Hiragino Sans', 'Yu Gothic UI', 'Noto Sans JP', 'PingFang SC',
    'Microsoft YaHei', system-ui, sans-serif;
  --font-mono: 'Share Tech Mono', ui-monospace, 'Cascadia Mono', Consolas, monospace;
  --font-body: 'Chakra Petch', 'Hiragino Sans', 'Yu Gothic UI', 'Noto Sans JP', 'PingFang SC',
    'Microsoft YaHei', system-ui, sans-serif;

  --wrap: 1240px;
  --gut: clamp(20px, 5vw, 64px);
  --cut: 14px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- 2. RESET ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  /* 首屏线框猫头与背景网格刻意越界，这里在视口层裁掉，避免横向滚动条 */
  overflow-x: hidden;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: clamp(15px, 0.45vw + 14px, 17px);
  line-height: 1.85;
  overflow-x: hidden;
  min-height: 100vh;
}
img,
svg {
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
}
ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}
h1,
h2,
h3,
p {
  margin: 0;
}
button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}
table {
  border-collapse: collapse;
  width: 100%;
}
::selection {
  background: var(--cyan);
  color: #04070d;
}
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 3. 背景层 ---------- */
.bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -4;
  display: block;
}

/* 透视线框地平线 */
.bg-grid {
  position: fixed;
  left: 50%;
  bottom: -14vh;
  width: 260vw;
  height: 62vh;
  margin-left: -130vw;
  z-index: -3;
  pointer-events: none;
  background-image: linear-gradient(rgba(0, 240, 255, 0.42) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 92, 255, 0.32) 1px, transparent 1px);
  background-size: 100% 46px, 46px 100%;
  transform: perspective(340px) rotateX(72deg);
  transform-origin: 50% 100%;
  animation: gridRun 5.5s linear infinite;
  -webkit-mask-image: linear-gradient(to top, #000 0%, rgba(0, 0, 0, 0.55) 42%, transparent 88%);
  mask-image: linear-gradient(to top, #000 0%, rgba(0, 0, 0, 0.55) 42%, transparent 88%);
  opacity: 0.55;
}
@keyframes gridRun {
  to {
    background-position: 0 46px, 0 0;
  }
}

.bg-vignette {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background: radial-gradient(120% 80% at 50% 0%, rgba(124, 92, 255, 0.16), transparent 60%),
    radial-gradient(90% 60% at 50% 100%, rgba(255, 47, 208, 0.1), transparent 65%),
    radial-gradient(140% 120% at 50% 50%, transparent 35%, rgba(3, 4, 8, 0.85) 100%);
}

.scanlines {
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.035) 0 1px,
    transparent 1px 3px
  );
  mix-blend-mode: overlay;
  opacity: 0.7;
}
.scanlines::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 22vh;
  background: linear-gradient(to bottom, transparent, rgba(0, 240, 255, 0.05), transparent);
  animation: sweep 7s linear infinite;
}
@keyframes sweep {
  0% {
    top: -25vh;
  }
  100% {
    top: 105vh;
  }
}

/* 换页 wipe */
.wipe {
  position: fixed;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  transform: scaleY(0);
  transform-origin: 50% 0;
  background: linear-gradient(180deg, var(--cyan), var(--violet) 45%, var(--magenta));
  opacity: 0;
}
.wipe.is-out {
  animation: wipeOut 0.45s var(--ease) forwards;
}
@keyframes wipeOut {
  0% {
    transform: scaleY(0);
    transform-origin: 50% 100%;
    opacity: 0.9;
  }
  100% {
    transform: scaleY(1);
    transform-origin: 50% 100%;
    opacity: 0.9;
  }
}

/* ---------- 4. BOOT / PRELOADER ---------- */
.boot {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  background: #04050a;
  transition: opacity 0.5s var(--ease), visibility 0.5s;
}
.boot.is-done {
  opacity: 0;
  visibility: hidden;
}
.boot-inner {
  display: grid;
  justify-items: center;
  gap: 14px;
  width: min(420px, 78vw);
}
.boot-mark {
  width: 68px;
  height: 68px;
  fill: var(--cyan);
  filter: drop-shadow(0 0 14px rgba(0, 240, 255, 0.7));
  animation: bootPulse 1.4s ease-in-out infinite;
}
@keyframes bootPulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.55;
    transform: scale(0.94);
  }
}
.boot-name {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.6em;
  text-indent: 0.6em;
  color: var(--fg);
}
.boot-bar {
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
.boot-bar i {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  box-shadow: 0 0 12px var(--cyan);
  transition: width 0.15s linear;
}
.boot-meta {
  display: flex;
  justify-content: space-between;
  width: 100%;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--fg-mute);
}
.boot-skip {
  position: absolute;
  right: 24px;
  bottom: 22px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--fg-mute);
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}
.boot-skip:hover {
  color: var(--cyan);
}

/* ---------- 5. 通用排版件 ---------- */
.hud-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--cyan);
  opacity: 0.9;
}
.hud-label::before {
  content: '// ';
  opacity: 0.5;
}

.page-kicker {
  position: fixed;
  left: 14px;
  top: 50%;
  transform: rotate(180deg) translateY(50%);
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.34em;
  color: rgba(160, 190, 220, 0.28);
  z-index: 5;
  pointer-events: none;
}

/* RGB 色差故障标题 */
.glitch {
  position: relative;
  display: inline-block;
}
.glitch > span {
  position: relative;
  z-index: 2;
}
.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
}
.glitch::before {
  color: var(--magenta);
  z-index: 1;
}
.glitch::after {
  color: var(--cyan);
  z-index: 1;
}
.glitch.is-glitching::before {
  opacity: 0.85;
  animation: gl1 0.42s steps(2, end) 1;
}
.glitch.is-glitching::after {
  opacity: 0.85;
  animation: gl2 0.42s steps(2, end) 1;
}
@keyframes gl1 {
  0% {
    transform: translate(0);
  }
  25% {
    transform: translate(-3px, 1px);
  }
  50% {
    transform: translate(2px, -2px);
  }
  75% {
    transform: translate(-2px, -1px);
  }
  100% {
    transform: translate(0);
  }
}
@keyframes gl2 {
  0% {
    transform: translate(0);
  }
  25% {
    transform: translate(3px, -1px);
  }
  50% {
    transform: translate(-2px, 2px);
  }
  75% {
    transform: translate(2px, 1px);
  }
  100% {
    transform: translate(0);
  }
}

/* 滚动入场 */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease) var(--d, 0ms), transform 0.7s var(--ease) var(--d, 0ms);
}
[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- 6. 按钮 ---------- */
.btn {
  --btn-c: var(--cyan);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 30px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--btn-c);
  border: 1px solid color-mix(in srgb, var(--btn-c) 55%, transparent);
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  background: color-mix(in srgb, var(--btn-c) 8%, transparent);
  transition: color 0.25s, background 0.25s, box-shadow 0.25s, transform 0.25s var(--ease);
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    115deg,
    transparent 30%,
    color-mix(in srgb, var(--btn-c) 45%, transparent) 50%,
    transparent 70%
  );
  transform: translateX(-120%);
  transition: transform 0.6s var(--ease);
}
.btn:hover {
  color: #04070d;
  background: var(--btn-c);
  box-shadow: 0 0 26px color-mix(in srgb, var(--btn-c) 55%, transparent);
  transform: translateY(-2px);
}
.btn:hover::after {
  transform: translateX(120%);
}
.btn--ghost {
  --btn-c: var(--magenta);
}

/* ---------- 7. HEADER ---------- */
.skip-to {
  position: absolute;
  left: -9999px;
}
.skip-to:focus {
  left: 12px;
  top: 12px;
  background: var(--cyan);
  color: #04070d;
  padding: 8px 14px;
  z-index: 300;
}

.hdr {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px var(--gut);
  transition: background 0.35s, backdrop-filter 0.35s, border-color 0.35s;
  border-bottom: 1px solid transparent;
}
.hdr.is-stuck {
  background: rgba(5, 7, 13, 0.72);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  border-bottom-color: var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  margin-right: auto;
}
.brand-mark {
  width: 32px;
  height: 32px;
  fill: var(--fg);
  transition: fill 0.3s, filter 0.3s;
}
.brand:hover .brand-mark {
  fill: var(--cyan);
  filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.8));
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.1em;
}
.brand-name i {
  font-style: normal;
  color: var(--cyan);
}

.nav-list {
  display: flex;
  gap: 4px;
}
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 8px 14px;
  font-size: 14px;
  color: var(--fg-dim);
  transition: color 0.25s;
}
.nav-no {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-mute);
  transition: color 0.25s;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.35s var(--ease);
}
.nav-link:hover,
.nav-link.is-active {
  color: #fff;
}
.nav-link:hover .nav-no,
.nav-link.is-active .nav-no {
  color: var(--cyan);
}
.nav-link:hover::after,
.nav-link.is-active::after {
  transform: scaleX(1);
}

/* 语言切换 */
.lang {
  position: relative;
}
.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--fg-dim);
  border: 1px solid var(--line);
  clip-path: polygon(7px 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%, 0 7px);
  transition: color 0.25s, border-color 0.25s;
}
.lang-btn:hover,
.lang-btn[aria-expanded='true'] {
  color: var(--cyan);
  border-color: color-mix(in srgb, var(--cyan) 50%, transparent);
}
.lang-globe {
  color: var(--cyan);
}
.lang-caret {
  font-size: 9px;
  transition: transform 0.25s;
}
.lang-btn[aria-expanded='true'] .lang-caret {
  transform: rotate(180deg);
}
.lang-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 190px;
  padding: 6px;
  background: rgba(8, 12, 22, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
}
.lang.is-open .lang-menu {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.lang-menu.is-static {
  position: static;
  opacity: 1;
  visibility: visible;
  transform: none;
  background: none;
  border: 0;
  clip-path: none;
  padding: 0;
}
.lang-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 12px;
  font-size: 14px;
  color: var(--fg-dim);
  transition: color 0.2s, background 0.2s;
}
.lang-link b {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--fg-mute);
  min-width: 20px;
}
.lang-link:hover {
  color: #fff;
  background: rgba(0, 240, 255, 0.09);
}
.lang-link:hover b,
.lang-link.is-active b {
  color: var(--cyan);
}
.lang-link.is-active {
  color: #fff;
}

/* 汉堡 / 移动导航 */
.burger {
  display: none;
  width: 40px;
  height: 34px;
  padding: 8px;
  flex-direction: column;
  justify-content: space-between;
}
.burger span {
  display: block;
  height: 1px;
  background: var(--fg);
  transition: transform 0.3s var(--ease), opacity 0.2s;
}
.burger[aria-expanded='true'] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.burger[aria-expanded='true'] span:nth-child(2) {
  opacity: 0;
}
.burger[aria-expanded='true'] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 79;
  padding: 96px var(--gut) 40px;
  background: rgba(5, 7, 13, 0.96);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  overflow-y: auto;
}
.mobile-nav[hidden] {
  display: none;
}
.mobile-list {
  display: grid;
  gap: 4px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 26px;
  margin-bottom: 26px;
}
.mobile-list .nav-link {
  font-size: 22px;
  padding: 12px 0;
}
.mobile-list .nav-link::after {
  left: 0;
  right: 0;
}
.mobile-lang {
  display: grid;
  gap: 10px;
}

/* ---------- 8. 布局 ---------- */
.main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gut) 110px;
  position: relative;
  z-index: 2;
}
.sec {
  margin: clamp(72px, 11vw, 140px) 0;
}
.sec--narrow {
  max-width: 820px;
}
.page-head {
  padding-top: clamp(130px, 17vw, 200px);
}
.sec-head {
  max-width: 780px;
  margin-bottom: clamp(34px, 5vw, 56px);
}
.sec-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 4.6vw, 54px);
  line-height: 1.12;
  letter-spacing: 0.01em;
  margin: 12px 0 0;
}
.sec-lead {
  margin-top: 18px;
  color: var(--fg-dim);
  max-width: 68ch;
}
.sec-more {
  margin-top: 40px;
  text-align: center;
}

.grid {
  display: grid;
  gap: clamp(14px, 1.8vw, 22px);
}
.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* ---------- 9. 玻璃切角面板 ---------- */
.panel {
  --ac: var(--cyan);
  position: relative;
  padding: clamp(22px, 2.6vw, 32px);
  background: var(--panel);
  backdrop-filter: blur(10px) saturate(1.2);
  -webkit-backdrop-filter: blur(10px) saturate(1.2);
  border: 1px solid var(--line);
  clip-path: polygon(
    var(--cut) 0,
    100% 0,
    100% calc(100% - var(--cut)),
    calc(100% - var(--cut)) 100%,
    0 100%,
    0 var(--cut)
  );
  transition: border-color 0.35s, transform 0.45s var(--ease), background 0.35s;
}
.panel--cyan {
  --ac: var(--cyan);
}
.panel--magenta {
  --ac: var(--magenta);
}
.panel--violet {
  --ac: var(--violet);
}
.panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    420px circle at var(--mx, 50%) var(--my, 0%),
    color-mix(in srgb, var(--ac) 14%, transparent),
    transparent 65%
  );
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.panel:hover {
  border-color: color-mix(in srgb, var(--ac) 55%, transparent);
  transform: translateY(-4px);
}
.panel:hover::before {
  opacity: 1;
}
.panel-corner {
  position: absolute;
  width: 12px;
  height: 12px;
  border: 1px solid var(--ac);
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
}
.panel:hover .panel-corner,
.work:hover .panel-corner {
  opacity: 0.85;
}
.panel-corner.tl {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}
.panel-corner.tr {
  top: -1px;
  right: -1px;
  border-left: 0;
  border-bottom: 0;
}
.panel-corner.bl {
  bottom: -1px;
  left: -1px;
  border-right: 0;
  border-top: 0;
}
.panel-corner.br {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}

.card-no,
.card-year {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--ac);
  margin-bottom: 14px;
}
.card-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(18px, 1.5vw, 22px);
  line-height: 1.4;
  margin-bottom: 10px;
}
.card-title--sm {
  font-size: 17px;
}
.card-body {
  color: var(--fg-dim);
  font-size: 0.94em;
}
.card--pillar .tag-list,
.card--work .tag-list {
  margin-top: 18px;
}
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.tag-list li {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 4px 10px;
  color: var(--fg-dim);
  border: 1px solid var(--line);
  clip-path: polygon(5px 0, 100% 0, 100% calc(100% - 5px), calc(100% - 5px) 100%, 0 100%, 0 5px);
}
.bullet-list {
  display: grid;
  gap: 9px;
  margin-top: 4px;
}
.bullet-list li {
  position: relative;
  padding-left: 20px;
  color: var(--fg-dim);
  font-size: 0.94em;
  line-height: 1.7;
}
.bullet-list li::before {
  content: '';
  position: absolute;
  left: 3px;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--ac);
  transform: rotate(45deg);
}

/* ---------- 10. HERO ---------- */
.hero {
  position: relative;
  min-height: clamp(600px, 96svh, 980px);
  display: grid;
  align-content: center;
  padding-top: clamp(120px, 16vh, 180px);
  padding-bottom: 80px;
}
.hero-visual {
  position: absolute;
  right: -4%;
  top: 50%;
  transform: translateY(-50%);
  width: min(560px, 52vw);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  pointer-events: none;
  opacity: 0.9;
}
.logo-wire {
  width: 78%;
  height: 78%;
  fill: none;
  stroke: var(--cyan);
  stroke-width: 4;
  filter: drop-shadow(0 0 12px rgba(0, 240, 255, 0.55));
  animation: wireFloat 12s ease-in-out infinite;
}
.logo-wire--sm {
  width: 100%;
  height: 100%;
  stroke-width: 6;
}
.wire-p {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: wireDraw 4.5s var(--ease) forwards;
}
.wire-p--0 {
  animation-delay: 0.25s;
}
.wire-p--1 {
  animation-delay: 0.55s;
  stroke: var(--violet);
}
.wire-p--2 {
  animation-delay: 0.85s;
  stroke: var(--magenta);
}
@keyframes wireDraw {
  to {
    stroke-dashoffset: 0;
  }
}
@keyframes wireFloat {
  0%,
  100% {
    transform: translateY(0) rotateY(0deg);
  }
  50% {
    transform: translateY(-16px) rotateY(12deg);
  }
}
.hero-rings {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}
.hero-rings i {
  position: absolute;
  border: 1px solid rgba(0, 240, 255, 0.18);
  border-radius: 50%;
}
.hero-rings i:nth-child(1) {
  width: 100%;
  height: 100%;
  border-style: dashed;
  animation: spin 46s linear infinite;
}
.hero-rings i:nth-child(2) {
  width: 78%;
  height: 78%;
  border-color: rgba(255, 47, 208, 0.16);
  animation: spin 32s linear infinite reverse;
}
.hero-rings i:nth-child(3) {
  width: 56%;
  height: 56%;
  border-color: rgba(124, 92, 255, 0.2);
  border-style: dotted;
  animation: spin 22s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 760px;
}
.hero-kicker {
  margin-bottom: 22px;
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(42px, 9.4vw, 118px);
  line-height: 0.96;
  letter-spacing: -0.015em;
  text-transform: uppercase;
  margin-bottom: 26px;
}
.hero-line {
  display: block;
  opacity: 0;
  transform: translateY(0.24em);
  animation: heroIn 0.9s var(--ease) var(--d, 0ms) forwards;
  text-shadow: 0 0 34px rgba(0, 240, 255, 0.28);
}
.hero-line--accent {
  background: linear-gradient(96deg, var(--cyan), var(--violet) 45%, var(--magenta));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: none;
}
.hero-line--accent > span {
  background: inherit;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
@keyframes heroIn {
  to {
    opacity: 1;
    transform: none;
  }
}
.hero-lead {
  font-size: clamp(17px, 1.6vw, 21px);
  color: #fff;
  margin-bottom: 10px;
}
.hero-sub {
  color: var(--fg-dim);
  max-width: 56ch;
  margin-bottom: 34px;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-hud {
  position: absolute;
  left: 0;
  bottom: 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
}
.hud-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
}
.hud-scroll {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.34em;
  color: var(--fg-mute);
  animation: blink 2.6s ease-in-out infinite;
}
@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.25;
  }
}

/* ---------- 11. 数据条 ---------- */
.band-stats {
  border-block: 1px solid var(--line);
  padding: clamp(24px, 3vw, 38px) 0;
}
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 22px;
}
.stat {
  text-align: center;
  border-left: 1px solid var(--line);
  padding: 0 12px;
}
.stat:first-child {
  border-left: 0;
}
.stat-v {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 3.2vw, 40px);
  line-height: 1.1;
  background: linear-gradient(180deg, #fff, var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-k {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-mute);
}

/* ---------- 12. SERVICES ---------- */
.svc-group {
  margin: clamp(64px, 9vw, 118px) 0;
}
.svc-head {
  display: flex;
  gap: clamp(18px, 3vw, 34px);
  align-items: flex-start;
  margin-bottom: 30px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.svc-no {
  font-family: var(--font-mono);
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1;
  color: var(--cyan);
  opacity: 0.55;
}
.svc-no[data-accent='magenta'] {
  color: var(--magenta);
}
.svc-no[data-accent='violet'] {
  color: var(--violet);
}
.svc-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1.25;
}
.svc-body {
  color: var(--fg-dim);
  margin-top: 8px;
  max-width: 62ch;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: clamp(16px, 2vw, 26px);
  counter-reset: step;
}
.step {
  position: relative;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.step::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 42px;
  height: 2px;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}
.step-no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--cyan);
}
.step-h {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  margin: 8px 0 6px;
}
.step-p {
  color: var(--fg-dim);
  font-size: 0.92em;
}

/* ---------- 13. ABOUT ---------- */
.about-hero {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: clamp(20px, 4vw, 60px);
  align-items: center;
}
.about-hero-visual {
  width: clamp(150px, 20vw, 260px);
  aspect-ratio: 1;
}
.prose {
  margin-bottom: 34px;
}
.prose-h {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  margin-bottom: 12px;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
}
.prose p {
  color: var(--fg-dim);
}
.vision {
  padding: clamp(28px, 4vw, 48px);
}
.vision-h {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 2.6vw, 32px);
  margin: 12px 0 14px;
}
.vision-p {
  color: var(--fg-dim);
  max-width: 70ch;
}
.sec--split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(30px, 5vw, 64px);
}
.check-list {
  display: grid;
  gap: 12px;
}
.check-list li {
  display: flex;
  gap: 12px;
  color: var(--fg-dim);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.tick {
  color: var(--cyan);
}
.table-wrap {
  overflow-x: auto;
}
.profile-table th,
.profile-table td {
  text-align: left;
  vertical-align: top;
  padding: 14px 12px;
  border-bottom: 1px solid var(--line);
  font-weight: 400;
}
.profile-table th {
  width: 34%;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  white-space: nowrap;
}
.profile-table td {
  color: var(--fg-dim);
  font-size: 0.94em;
}

/* ---------- 14. WORKS ---------- */
.work-list {
  display: grid;
  gap: clamp(14px, 1.8vw, 20px);
}
.work {
  --ac: var(--cyan);
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: clamp(18px, 3vw, 40px);
  align-items: start;
  padding: clamp(24px, 3vw, 38px);
  background: var(--panel);
  backdrop-filter: blur(10px) saturate(1.2);
  -webkit-backdrop-filter: blur(10px) saturate(1.2);
  border: 1px solid var(--line);
  clip-path: polygon(
    var(--cut) 0,
    100% 0,
    100% calc(100% - var(--cut)),
    calc(100% - var(--cut)) 100%,
    0 100%,
    0 var(--cut)
  );
  transition: border-color 0.35s, transform 0.45s var(--ease);
}
.work--magenta {
  --ac: var(--magenta);
}
.work--violet {
  --ac: var(--violet);
}
.work:hover {
  border-color: color-mix(in srgb, var(--ac) 55%, transparent);
  transform: translateX(6px);
}
.work-idx {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1;
  color: var(--ac);
  opacity: 0.4;
}
.work-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2vw, 26px);
  line-height: 1.3;
  margin-bottom: 10px;
}
.work-role {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: baseline;
  font-size: 0.9em;
  color: var(--fg-dim);
  margin-bottom: 12px;
}
.work-body {
  color: var(--fg-dim);
  font-size: 0.94em;
  margin-bottom: 16px;
  max-width: 70ch;
}
.work-side {
  display: grid;
  gap: 14px;
  justify-items: end;
  text-align: right;
}
.work-year {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--fg);
  display: grid;
  gap: 2px;
}
.work-year small {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--fg-mute);
}
.work-link {
  display: inline-flex;
  gap: 7px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ac);
  border-bottom: 1px solid currentColor;
  padding-bottom: 3px;
  white-space: nowrap;
  transition: gap 0.25s;
}
.work-link:hover {
  gap: 12px;
}

/* ---------- 15. CAREERS ---------- */
.job-hero {
  padding: clamp(26px, 4vw, 46px);
  border: 1px solid var(--line);
  background: linear-gradient(140deg, rgba(0, 240, 255, 0.07), rgba(255, 47, 208, 0.05));
  clip-path: polygon(
    var(--cut) 0,
    100% 0,
    100% calc(100% - var(--cut)),
    calc(100% - var(--cut)) 100%,
    0 100%,
    0 var(--cut)
  );
}
.job-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 42px);
  line-height: 1.2;
  margin: 12px 0 26px;
}
.job-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 20px;
}
.job-summary li {
  display: grid;
  gap: 5px;
  padding-left: 14px;
  border-left: 1px solid var(--line);
}
.job-summary b {
  font-weight: 500;
  font-size: 0.95em;
}

/* ---------- 16. CTA BAND ---------- */
.cta-band {
  position: relative;
  margin-top: clamp(80px, 12vw, 150px);
  padding: clamp(40px, 6vw, 76px) clamp(24px, 4vw, 60px);
  text-align: center;
  border: 1px solid var(--line);
  overflow: hidden;
  clip-path: polygon(
    var(--cut) 0,
    100% 0,
    100% calc(100% - var(--cut)),
    calc(100% - var(--cut)) 100%,
    0 100%,
    0 var(--cut)
  );
}
.cta-band::before {
  content: '';
  position: absolute;
  inset: -50%;
  background: conic-gradient(
    from 0deg,
    transparent 0deg,
    rgba(0, 240, 255, 0.14) 60deg,
    transparent 120deg,
    rgba(255, 47, 208, 0.12) 200deg,
    transparent 280deg
  );
  animation: spin 18s linear infinite;
  z-index: -1;
}
.cta-inner {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 18px;
}
.cta-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.6vw, 44px);
  line-height: 1.2;
}
.cta-body {
  color: var(--fg-dim);
  max-width: 60ch;
}

/* ---------- 17. 404 ---------- */
.nf {
  min-height: 78svh;
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 18px;
  text-align: center;
  padding-top: 140px;
}
.nf-visual {
  width: clamp(120px, 18vw, 180px);
  aspect-ratio: 1;
}
.nf-code {
  font-family: var(--font-mono);
  font-size: clamp(64px, 14vw, 150px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(0, 240, 255, 0.4);
}
.nf-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 34px);
  letter-spacing: 0.1em;
}
.nf-body {
  color: var(--fg-dim);
  max-width: 46ch;
}

/* ---------- 18. FOOTER ---------- */
.ftr {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--line);
  background: rgba(4, 6, 11, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.ftr-grid {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(44px, 6vw, 72px) var(--gut);
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1.2fr;
  gap: clamp(28px, 4vw, 56px);
}
.ftr-mark {
  width: 40px;
  height: 40px;
  fill: var(--cyan);
  filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.5));
}
.ftr-tag {
  color: var(--fg-dim);
  margin: 16px 0 18px;
  max-width: 40ch;
  font-size: 0.94em;
}
.ftr-status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--fg-mute);
}
.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #24e07a;
  box-shadow: 0 0 10px #24e07a;
  animation: blink 2s ease-in-out infinite;
}
.ftr-nav ul,
.ftr-contact p {
  margin-top: 16px;
}
.ftr-nav li a {
  display: inline-block;
  padding: 5px 0;
  color: var(--fg-dim);
  transition: color 0.2s, padding-left 0.25s var(--ease);
}
.ftr-nav li a:hover {
  color: var(--cyan);
  padding-left: 8px;
}
.ftr-contact p {
  display: grid;
  gap: 4px;
  margin-bottom: 18px;
}
.ftr-contact small {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-mute);
}
.ftr-contact a {
  color: var(--fg-dim);
  transition: color 0.2s;
}
.ftr-contact a:hover {
  color: var(--cyan);
}
.ftr-bar {
  border-top: 1px solid var(--line);
  padding: 18px var(--gut);
  max-width: var(--wrap);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--fg-mute);
}

/* ---------- 19. TO TOP ---------- */
.to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 70;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  border: 1px solid color-mix(in srgb, var(--cyan) 40%, transparent);
  background: rgba(6, 9, 17, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.35s, visibility 0.35s, transform 0.35s var(--ease), background 0.25s, color 0.25s;
}
.to-top.is-on {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.to-top:hover {
  background: var(--cyan);
  color: #04070d;
}

/* ---------- 20. 响应式 ---------- */
@media (max-width: 1080px) {
  .ftr-grid {
    grid-template-columns: 1fr 1fr;
  }
  .ftr-brand {
    grid-column: 1 / -1;
  }
}
@media (max-width: 900px) {
  .nav,
  .lang {
    display: none;
  }
  .burger {
    display: flex;
    margin-left: auto;
  }
  .brand {
    margin-right: 0;
  }
  .page-kicker {
    display: none;
  }
  .hero-visual {
    right: -18%;
    width: min(460px, 78vw);
    opacity: 0.3;
  }
  .about-hero {
    grid-template-columns: 1fr;
  }
  .about-hero-visual {
    display: none;
  }
  .work {
    grid-template-columns: 1fr;
  }
  .work-side {
    justify-items: start;
    text-align: left;
    grid-auto-flow: column;
    justify-content: start;
    align-items: center;
    gap: 24px;
  }
  .work-idx {
    display: none;
  }
}
@media (max-width: 640px) {
  .ftr-grid {
    grid-template-columns: 1fr;
  }
  .stat {
    border-left: 0;
  }
  .svc-head {
    flex-direction: column;
    gap: 8px;
  }
  .to-top {
    width: 44px;
    height: 44px;
    right: 14px;
    bottom: 14px;
  }
}

/* ---------- 21. 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .bg-grid,
  .scanlines,
  .cta-band::before {
    display: none;
  }
  [data-reveal] {
    opacity: 1;
    transform: none;
  }
  .hero-line {
    opacity: 1;
    transform: none;
  }
  .wire-p {
    stroke-dashoffset: 0;
  }
}

/* 无 JS 时也要能看 */
.no-js .boot {
  display: none;
}
.no-js [data-reveal] {
  opacity: 1;
  transform: none;
}