/* ========== 本地 Web 字体（assets/fonts，font-family 名称与系统字体一致） ========== */
@font-face {
  font-family: "Microsoft YaHei";
  src:
    local("Microsoft YaHei"),
    local("微软雅黑"),
    url("../assets/fonts/MicrosoftYaHei-mini.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "YaHeiBold-Mini";
  src:
    local("Microsoft YaHei Bold"),
    local("微软雅黑 Bold"),
    url("../assets/fonts/MicrosoftYaHei-Bold-mini.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Deng";
  src:
    local("DengXian"),
    local("等线"),
    url("../assets/fonts/Deng-mini.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Dengl";
  src: url("../assets/fonts/Dengl-mini.woff2") format("woff2");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Arial Black";
  src: local("Arial Black"), url("../assets/fonts/ariblk.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg-maroon: #6b211d;
  --bg-navy: #1a2b4b;
  --bg-dark-grid: #1c1c1c;
  --accent-blue: #00aaff;
  --accent-purple: #8800ff;
  --radius-card: 52px;
  --radius-inner: 28px;
  /** 滚动子页标题：YaHeiBold-Mini；正文：等线 Deng / 细体 Dengl（见 .deck-scroll-layer 规则） */
  --font-title: "YaHeiBold-Mini", "Segoe UI", "PingFang SC", system-ui, sans-serif;
  --font-body: "Deng", "Dengl", "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-sans: var(--font-body);
  /* Deck：与 PORTFOLIO_LAYOUT / JS 同步，可运行时覆盖 */
  --deck-slide-w: 1920px;
  --deck-view-h: 1611px;
  --deck-video-slot-w: 1630px;
  --deck-overlap-ext: 160px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: #020208;
  font-family: var(--font-sans);
  color: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

#viewport-fit {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.stage {
  width: 1920px;
  height: 1350px;
  position: relative;
  transform-origin: center center;
  will-change: transform;
}

.hero {
  position: absolute;
  inset: 0;
  width: 1920px;
  height: 1350px;
  overflow: visible;
  background: #020208;
}

/* 首屏期间抬高 hero，避免被 deck-scroll-layer(z-index:20) 挡住点击 */
body.is-hero-screen #hero {
  z-index: 25;
}

.hero__media-root {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: visible;
}

#hero-media {
  position: absolute;
  inset: 0;
  z-index: 9999;
}

/* 01 首屏专属：素材左上角锚点坐标，独立于 deck */

.hero01-canvas {
  position: absolute;
  width: 1920px;
  height: 1350px;
  flex-shrink: 0;
  pointer-events: none;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  transform-style: preserve-3d;
  transform-origin: 50% 50%;
  perspective: 1600px;
}

.parallax-layer-1,
.parallax-layer-2,
.parallax-layer-3 {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transform-origin: 50% 50%;
  pointer-events: none;
  isolation: isolate;
  will-change: transform;
}

.parallax-layer-1 {
  z-index: 4;
  isolation: isolate;
  transform: translateZ(8px);
}

.parallax-layer-2 {
  z-index: 2;
  isolation: isolate;
  transform: translateZ(4px);
}

.parallax-layer-3 {
  z-index: 1;
  isolation: isolate;
  transform: translateZ(-4px);
}

.hero01-z1 {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  pointer-events: none;
}

.hero__media-root video.hero01-bg-video.deck-managed-video {
  position: absolute;
  left: 3px;
  top: 0.32px;
  width: 1920px;
  height: 1349.35px;
  z-index: 1;
  max-width: none;
  max-height: none;
  padding: 0;
  margin: 0;
  border: none;
  object-fit: fill;
  border-radius: 0;
  background: transparent;
  opacity: 0 !important;
  visibility: hidden;
  pointer-events: none;
}

.hero01-ripple-canvas {
  position: absolute;
  left: -340px;
  top: -325px;
  width: 2600px;
  height: 2000px;
  z-index: 1;
  display: block;
  pointer-events: none;
  background: transparent;
}

.hero01-z2 {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  pointer-events: none;
}

.hero01-img {
  position: absolute;
  left: 516px;
  top: 477.04px;
  width: 888px;
  height: 325px;
  z-index: 2;
  padding: 0;
  margin: 0;
  border: none;
  background: transparent;
  object-fit: fill;
  object-position: left top;
  display: block;
  pointer-events: none;
  outline: none;
  box-shadow: none;
}

.hero01-img--1 {
  opacity: 0.3;
}

.hero01-img--2 {
  opacity: 0.65;
}

.hero01-z4 {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 10;
  pointer-events: none;
  isolation: isolate;
}

.hero01-lottie-root {
  position: absolute;
  left: 325.5px;
  top: 194.54px;
  width: 1270px;
  height: 893px;
  z-index: 10;
  overflow: hidden;
  pointer-events: none;
  background: transparent;
  border: none;
  outline: none;
}

.hero01-img--portfolio {
  position: absolute;
  left: 681.5px;
  top: 827.04px;
  width: 557px;
  height: 64px;
  z-index: 2;
  padding: 0;
  margin: 0;
  border: none;
  background: transparent;
  object-fit: fill;
  object-position: left top;
  display: block;
  pointer-events: none;
  outline: none;
  box-shadow: none;
}

.hero01-lottie-root svg {
  width: 100% !important;
  height: 100% !important;
  display: block;
  background: transparent !important;
  border: none;
  outline: none;
  shape-rendering: geometricPrecision;
}

.hero01-z2 img[style*="display: none"] {
  pointer-events: none;
}

.hero__hit {
  position: fixed;
  inset: 0;
  z-index: 99999;
  pointer-events: auto;
  margin: 0;
  padding: 0;
  border: none;
  cursor: pointer;
  touch-action: manipulation;
  background: transparent;
  -webkit-appearance: none;
  appearance: none;
}

/* 旧 #hero-hit 已弃用，由 #portfolio-entry-gate 接管 */
#hero-hit {
  display: none !important;
  pointer-events: none !important;
}

/* 首屏期间仅隐藏 deck 滚动层，不隐藏 #profile-intro / .lottie-transition-container */
body.is-hero-screen .deck-scroll-layer {
  display: none !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

.hero__hit:focus-visible {
  outline: 2px solid rgba(120, 200, 255, 0.55);
  outline-offset: -4px;
}

.hero__media-root .deck-slide__media-inner {
  position: absolute;
  inset: 0;
  isolation: isolate;
}

.hero__media-root .deck-media-zone--z1 > .deck-media-fill-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__media-root .deck-video-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero__media-root .deck-video-slot {
  width: 100%;
  max-width: none;
  height: 100%;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__media-root .deck-video-slot video.deck-managed-video {
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: cover;
  border-radius: 0;
}

.hero__media-root .deck-image-slot {
  position: absolute;
  inset: 0;
  display: block;
}

.hero__media-root .deck-image-slot .lazy-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: cover;
  margin: 0;
  border-radius: 0;
}

.hero__portal {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 120px;
  height: 120px;
  margin: -60px 0 0 -60px;
  border-radius: 50%;
  z-index: 100;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(circle at 40% 35%, #5ce1ff, #6b3dff 55%, #2b0066 100%);
  box-shadow: 0 0 80px rgba(120, 100, 255, 0.8);
}

.hero--portal .hero__portal {
  animation: heroPortalBloom 0.95s cubic-bezier(0.45, 0, 0.15, 1) forwards;
}

@keyframes heroPortalBloom {
  0% {
    opacity: 0;
    transform: scale(0.15);
  }
  25% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: scale(22);
  }
}

/* 上层：全局长内容滚动（叠在个人信息固定层之上） */
.deck-scroll-layer {
  position: absolute;
  inset: 0;
  width: 1920px;
  height: 100%;
  z-index: 20;
  overflow: hidden;
  pointer-events: none;
}

.deck-scroll-layer:not([hidden]) {
  pointer-events: auto;
  user-select: none;
  -webkit-user-select: none;
}

.deck-scroll-layer:not([hidden]) .deck-slide,
.deck-scroll-layer:not([hidden]) .deck-slide * {
  user-select: none;
  -webkit-user-select: none;
}

.deck-scroll-layer:not([hidden]) .deck-slide img {
  -webkit-user-drag: none;
}

/* 滚动子页文本高清渲染（不改坐标/字号/字间距/行距） */
.deck-scroll-layer .deck-slide__layer,
.deck-scroll-layer .deck-head,
.deck-scroll-layer .deck-body,
.deck-scroll-layer .deck-media-layout,
.deck-scroll-layer .mb-copy,
.deck-scroll-layer .mb-copy__en,
.deck-scroll-layer .mb-copy__cn,
.deck-scroll-layer .mb-copy__tag,
.deck-scroll-layer .mb-copy__body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* 滚动容器内子页：正文默认等线；标题 YaHeiBold-Mini（与外层信息页淡出逻辑无关） */
.deck-scroll-layer .deck {
  font-family: var(--font-body);
}

.deck-scroll-layer .deck-head__label,
.deck-scroll-layer .deck-head__title,
.deck-scroll-layer h1,
.deck-scroll-layer h2,
.deck-scroll-layer h3,
.deck-scroll-layer h4,
.deck-scroll-layer h5,
.deck-scroll-layer h6,
.deck-scroll-layer .slide-mtow__page-title,
.deck-scroll-layer .slide-profile__name,
.deck-scroll-layer .slide-s30__k,
.deck-scroll-layer .slide-s30__sub,
.deck-scroll-layer .eb__title,
.deck-scroll-layer .sg__title,
.deck-scroll-layer .tp__title,
.deck-scroll-layer .dc__title,
.deck-scroll-layer .p4__title,
.deck-scroll-layer .scratch-word,
.deck-scroll-layer .scratch-num,
.deck-scroll-layer .class-label,
.deck-scroll-layer .landing-copy h2,
.deck-scroll-layer .landing-copy button {
  font-family: var(--font-title);
}

.deck-scroll-layer .mb-copy__cn {
  font-family: "YaHeiBold-Mini", sans-serif;
}

.deck {
  position: absolute;
  left: 0;
  top: 0;
  width: var(--deck-slide-w, 1920px);
  height: var(--deck-view-h, 1611px);
  pointer-events: none;
}

.deck-slide {
  position: absolute;
  left: 0;
  top: 0;
  width: var(--deck-slide-w, 1920px);
  height: calc(var(--deck-h, 1611px) + var(--deck-overlap-ext, 160px));
  border: none;
  outline: none;
  box-shadow: none;
  border-radius: 129px 129px 0 0;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translate3d(0, 36px, 0) scale(0.97);
  transform-origin: 50% 50%;
  pointer-events: none;
}

/* 滚出视口：跳过布局/绘制（与 deckMediaCull 同步） */
.deck-scroll-layer .deck-slide[data-deck-media-cull="1"] {
  content-visibility: hidden;
  contain-intrinsic-size: var(--deck-slide-w, 1920px) calc(var(--deck-h, 1611px) + var(--deck-overlap-ext, 160px));
}

.deck-scroll-layer .deck.deck--scrolling .deck-slide.deck-slide--motion video.deck-managed-video {
  transform: translateZ(0.001px);
}

.deck-slide.is-active:not(.is-exiting):not(.is-entering) {
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto;
  z-index: 5;
}

.deck-slide.is-exiting {
  animation: deckExit 0.88s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  pointer-events: none;
  visibility: visible;
}

.deck-slide.is-entering {
  animation: deckEnter 0.88s cubic-bezier(0.32, 0.72, 0.25, 1) forwards;
  visibility: visible;
}

@keyframes deckExit {
  0% {
    opacity: 1;
    transform: perspective(1100px) translate3d(0, 0, 0) rotateX(0deg) scale(1);
  }
  100% {
    opacity: 0;
    transform: perspective(1100px) translate3d(0, 110px, -80px) rotateX(22deg) scale(0.78);
  }
}

@keyframes deckEnter {
  0% {
    opacity: 0;
    transform: translate3d(0, -42px, 0) scale(0.98);
  }
  100% {
    opacity: 1;
    transform: none;
  }
}

.deck-head {
  position: absolute;
  z-index: 6;
  left: 48px;
  top: 40px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  pointer-events: none;
}

.deck-head__label {
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.72;
}

.deck-head__title {
  font-size: 15px;
  font-weight: 600;
  opacity: 0.9;
}

.deck-slide--theme-white-card .deck-head,
.deck-slide--theme-white-tiles .deck-head {
  color: #111;
}

.deck-slide--theme-class-yellow .deck-head {
  color: #1a1a1a;
}

.deck-body {
  position: absolute;
  inset: 0;
  padding: 0;
}

.lazy-media--empty {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
}

img.lazy-media,
video.lazy-media {
  max-width: 100%;
  height: auto;
  display: block;
}

.deck-slide--theme-profile {
  background: var(--bg-navy);
  background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* 01 屏 media：三张 hero 同属 z2，全幅 cover 叠放（与 buildMediaHtml 层一致） */
.deck-slide--theme-profile .deck-slide__media .deck-image-slot {
  display: block;
}

.deck-slide--theme-profile .deck-slide__media .deck-image-slot img.lazy-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: cover;
  border-radius: 0;
}

.slide-profile {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 120px 80px;
}

.slide-profile__inner {
  display: flex;
  align-items: center;
  gap: 72px;
  max-width: 1480px;
}

.slide-profile__avatar {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(0, 170, 255, 0.45);
  box-shadow: 0 0 40px rgba(136, 0, 255, 0.25);
}

.slide-profile__name {
  margin: 0 0 8px;
  font-size: 44px;
  letter-spacing: 0.06em;
}

.slide-profile__role {
  margin: 0 0 20px;
  color: rgba(180, 220, 255, 0.85);
  font-size: 18px;
}

.slide-profile__bio {
  margin: 0 0 24px;
  max-width: 560px;
  line-height: 1.75;
  color: rgba(230, 240, 255, 0.78);
  font-size: 17px;
}

.slide-profile__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
}

.slide-profile__tags li {
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  background: rgba(0, 170, 255, 0.12);
  border: 1px solid rgba(0, 170, 255, 0.25);
}

.slide-profile__links {
  display: flex;
  gap: 22px;
  font-size: 14px;
  color: rgba(160, 200, 255, 0.85);
}

.deck-slide--theme-mtow {
  background-color: #2c95a7;
  transition: background-color 0.3s cubic-bezier(0.65, 0, 0.35, 1) 0.13s;
}

.deck-slide--theme-mtow.is-mtow-switch-right {
  background-color: #4e946f;
}

/* MTOW 第一屏：素材预导出 1630×916.15，1:1 直出无缩放（方案 A） */
.deck-media-layout--mtow-stack {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* MTOW 大字：置于所有堆叠素材最底层（z-index 0） */
.deck-media-layout--mtow-stack .slide-mtow__en {
  position: absolute;
  left: 145px;
  top: 18.36px;
  z-index: 0;
  margin: 0;
  padding: 0;
  width: auto;
  height: auto;
  font-family: "Arial Black", "Microsoft YaHei", sans-serif;
  font-size: 280px;
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -4px;
  color: #078aa1;
  opacity: 0.85;
  pointer-events: none;
  white-space: nowrap;
  transition: color 0.3s cubic-bezier(0.65, 0, 0.35, 1) 0.13s;
}

.deck-slide--theme-mtow.is-mtow-switch-right .deck-media-layout--mtow-stack .slide-mtow__en {
  color: #3c8b5e;
}

.mtow-stack__layer {
  position: absolute;
  margin: 0;
  padding: 0;
  pointer-events: none;
  overflow: hidden;
}

.mtow-stack__layer img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: fill;
  object-position: left top;
  border-radius: 0;
  pointer-events: none;
}

.mtow-stack__layer video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: fill;
  object-position: left top;
  border-radius: 0;
  pointer-events: none;
}

/* 覆盖全局 video.deck-managed-video，避免 contain/height:auto/圆角导致发闷与像素偏移 */
.deck-slide--theme-mtow .mtow-stack__layer video.deck-managed-video {
  width: 100%;
  height: 100%;
  object-fit: fill;
  object-position: left top;
  border-radius: 0;
}

/*
 * MTOW 堆叠：底图与 WebM/Lottie 分层合成，减轻上层透明动画对底图的 GPU 混合柔化。
 * 禁止 image-rendering 锐化；底图 translateZ(0)，动画层 translateZ(1px) + will-change。
 */
.deck-slide--theme-mtow .deck-media-layout--mtow-stack {
  isolation: isolate;
  transform: translateZ(0);
}

.mtow-stack__layer--summer,
.mtow-stack__layer--ui,
.mtow-stack__layer--snow-poster {
  transform: translateZ(0);
  isolation: isolate;
}

.mtow-stack__layer--snow-vid,
.mtow-stack__layer--cloud {
  transform: translateZ(1px);
  will-change: transform;
  isolation: isolate;
}

.mtow-stack__layer--snow-vid video.deck-managed-video,
.mtow-stack__layer--cloud .hand-lottie-host {
  will-change: transform;
}

.mtow-stack__layer .hand-lottie-host {
  position: absolute;
  inset: 0;
  right: auto;
  bottom: auto;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
}

/* 摒弃 Lottie 原生画布尺寸，拉伸填满层内 1630×916.42 */
.mtow-stack__layer .hand-lottie-host svg {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

.mtow-stack__layer--summer {
  z-index: 1;
}

.mtow-stack__layer--snow-poster,
.mtow-stack__layer--snow-img {
  z-index: 2;
  opacity: 1;
  transition: opacity 0.27s cubic-bezier(0.2, 0.25, 0.75, 0.75) 0s;
}

.deck-slide--theme-mtow.is-mtow-switch-right .mtow-stack__layer--snow-poster,
.deck-slide--theme-mtow.is-mtow-switch-right .mtow-stack__layer--snow-img {
  opacity: 0;
}

.mtow-stack__layer--snow-vid {
  z-index: 3;
  opacity: 1;
  transition: opacity 0.27s cubic-bezier(0.65, 0, 0.35, 1) 0s;
}

.deck-slide--theme-mtow.is-mtow-switch-right .mtow-stack__layer--snow-vid {
  opacity: 0;
}

.mtow-stack__layer--cloud {
  z-index: 4;
}

.mtow-stack__layer--ui {
  z-index: 5;
}

/* MTOW 独立文字层（不与视觉堆叠） */
.slide-mtow {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 1611px;
  margin: 0;
  padding: 0;
  pointer-events: none;
}

/* MTOW 首屏右上角开关（矢量，画布 1920 坐标） */
.mtow-guide-hand {
  position: absolute;
  left: 1699px;
  top: 4px;
  width: 150px;
  height: 150px;
  margin: 0;
  padding: 0;
  pointer-events: none;
  z-index: 11;
}

.deck-slide--theme-mtow .mtow-guide-hand svg {
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  width: 100% !important;
  height: 100% !important;
  max-width: none !important;
  max-height: none !important;
  shape-rendering: geometricPrecision;
  pointer-events: none;
}

.deck-slide--theme-mtow .mtow-guide-hand canvas {
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  width: 100% !important;
  height: 100% !important;
  max-width: none !important;
  max-height: none !important;
  image-rendering: auto;
}

.mtow-switch {
  position: absolute;
  left: 4px;
  top: 18px;
  width: 0;
  height: 0;
  margin: 0;
  padding: 0;
  z-index: 10;
  pointer-events: auto;
  user-select: none;
  -webkit-user-select: none;
}

.mtow-switch__track {
  position: absolute;
  left: 1713px;
  top: 47.01px;
  width: 84px;
  height: 22.45px;
  border-radius: 100px;
  background-color: #057f95;
  pointer-events: auto;
  transition: background-color 0.3s cubic-bezier(0.65, 0, 0.35, 1) 0.13s;
}

.deck-slide--theme-mtow.is-mtow-switch-right .mtow-switch__track {
  background-color: #346f56;
}

.mtow-switch__knob {
  position: absolute;
  left: 1721px;
  top: 40.01px;
  width: 38px;
  height: 37.22px;
  border-radius: 50%;
  background-color: #36c5ca;
  pointer-events: auto;
  cursor: pointer;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  /* 位移联动色：与底图 0.3s/0.13s 同步后再 +30% → 0.39s / 0.17s */
  transition-property: background-color;
  transition-duration: 0.39s;
  transition-timing-function: cubic-bezier(0.65, 0, 0.35, 1);
  transition-delay: 0.17s;
}

.mtow-switch__knob:hover {
  background-color: #5be8ec;
  transition-duration: 0.1s;
  transition-timing-function: cubic-bezier(0.65, 0, 0.35, 1);
  transition-delay: 0s;
}

.deck-slide--theme-mtow.is-mtow-switch-right .mtow-switch__knob {
  background-color: #6bc099;
}

.deck-slide--theme-mtow.is-mtow-switch-right .mtow-switch__knob:hover {
  background-color: #99f0c8;
  transition-duration: 0.1s;
  transition-timing-function: cubic-bezier(0.65, 0, 0.35, 1);
  transition-delay: 0s;
}

.slide-mtow__page-title {
  position: absolute;
  left: 185px;
  top: 1127.31px;
  width: 120px;
  height: 40px;
  margin: 0;
  padding: 0;
  font-family: var(--font-title);
  font-size: 30px;
  font-weight: 600;
  line-height: 40px;
  color: #9dcdd6;
  pointer-events: none;
}

.slide-mtow__body {
  position: absolute;
  left: 185px;
  top: 1172.3px;
  width: 1081px;
  min-height: 48px;
  height: auto;
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 2px;
  color: #abd4dc;
  pointer-events: none;
}

.slide-foot {
  position: absolute;
  left: 72px;
  bottom: 36px;
  margin: 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.88);
  max-width: 640px;
  line-height: 1.5;
}

.slide-foot--muted {
  color: rgba(255, 255, 255, 0.55);
}

.deck-slide--theme-orange-desk {
  background: #ff7a18;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 10px 10px;
}

.slide-split {
  display: flex;
  height: 100%;
  align-items: center;
  padding: 100px 80px 80px;
  gap: 64px;
}

.slide-split__left,
.slide-split__right {
  flex: 1;
  min-width: 0;
}

.phone-shell {
  width: 380px;
  margin: 0 auto;
  border-radius: 36px;
  padding: 14px;
  background: linear-gradient(160deg, #2a2a2a, #111);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.35);
}

.phone-shell--light {
  background: #f4f6fb;
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.18);
}

.phone-shell--neon {
  background: linear-gradient(180deg, #1e3a5f, #0a1020);
  box-shadow: 0 0 0 2px rgba(0, 200, 255, 0.25), 0 28px 70px rgba(0, 0, 0, 0.5);
}

.phone-shell img {
  width: 100%;
  border-radius: 24px;
}

.slide-split__copy {
  color: #fff;
  font-size: 18px;
  line-height: 1.75;
  margin: 0 0 32px;
}

.slide-split__copy--on-orange {
  color: rgba(255, 255, 255, 0.95);
}

.pill-strip {
  display: flex;
  gap: 12px;
  padding: 14px 22px;
  background: #ffd54a;
  border-radius: 999px;
  width: fit-content;
}

.pill-strip span {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(145deg, #ff8a65, #f4511e);
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.35);
}

.deck-slide[data-slide-id="s30"] .deck-head {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.deck-slide--theme-s30 {
  background: #1a1a20;
}

.slide-s30 {
  height: 100%;
  padding: 88px 72px 64px;
}

.slide-s30__stage {
  position: absolute;
  left: 56px;
  right: 56px;
  top: 120px;
  bottom: 100px;
  background: #121218;
  border-radius: 36px;
  display: flex;
  align-items: center;
  padding: 0 80px;
  gap: 60px;
}

.slide-s30__copy {
  flex: 0 0 320px;
}

.slide-s30__k {
  font-size: 72px;
  font-weight: 800;
  line-height: 1;
}

.slide-s30__sub {
  font-size: 28px;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 8px;
}

.slide-s30__device {
  flex: 1;
  display: flex;
  justify-content: center;
}

.slide-s30__device img {
  max-height: 720px;
  width: auto;
}

.deck-slide--theme-posters {
  background: #2b272e;
}

.grid-2x2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  padding: 120px 100px 80px;
  height: 100%;
}

.poster-card {
  margin: 0;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.poster-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 4;
}

.deck-slide--theme-maroon-art {
  background: var(--bg-maroon);
}

.slide-square-art {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 80px 80px;
}

.slide-square-art img {
  width: min(920px, 86vh);
  max-height: 860px;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.45);
}

.deck-slide--theme-white-card {
  background: #e8eaef;
}

.slide-white-card {
  height: 100%;
  padding: 100px 72px 72px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slide-white-card img {
  max-width: 1600px;
  width: 100%;
  border-radius: var(--radius-inner);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
}

.slide-white-card--pad {
  padding: 110px 100px 90px;
}

.deck-slide--theme-navy-game {
  background: linear-gradient(180deg, #0f1f3d 0%, #0a1428 100%);
}

.slide-split--navy {
  padding-top: 110px;
}

.mood-grid {
  height: 100%;
  min-height: 520px;
  background: repeating-linear-gradient(
    90deg,
    rgba(0, 200, 255, 0.08) 0,
    rgba(0, 200, 255, 0.08) 1px,
    transparent 1px,
    transparent 48px
  );
  border-radius: 20px;
  position: relative;
}

.mood-grid::before {
  content: "";
  position: absolute;
  inset: 20px;
  background: radial-gradient(circle at 30% 30%, rgba(0, 200, 255, 0.15), transparent 55%);
}

.slide-dual-portrait {
  display: flex;
  gap: 48px;
  height: 100%;
  padding: 110px 80px 80px;
  align-items: center;
  justify-content: center;
}

.slide-dual-portrait figure {
  margin: 0;
  flex: 1;
  max-width: 720px;
  background: #000;
  border-radius: 20px;
  overflow: hidden;
}

.slide-dual-portrait img {
  width: 100%;
  display: block;
}

.deck-slide--theme-desk-collage {
  background: #111;
}

.slide-desk-stack {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.desk-half {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 48px;
}

.desk-half--cool {
  background: linear-gradient(180deg, #1a2540, #0f1628);
}

.desk-half--warm {
  background: linear-gradient(180deg, #ff8c42, #e85d04);
}

.desk-half img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 16px;
}

.deck-slide--theme-avatar-frames {
  background: #141414;
  background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
}

.slide-avatar-frames {
  height: 100%;
  padding: 100px 80px 72px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 36px;
}

.orbit-frame {
  width: min(520px, 48vw);
}

.orbit-frame img {
  width: 100%;
}

.orbit-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.orbit-row img {
  width: 72px;
  height: 72px;
  object-fit: contain;
}

.deck-slide--theme-royal-blue {
  background: #1e4fd6;
}

.big-white-title {
  font-size: 56px;
  margin: 0 0 24px;
  line-height: 1.1;
}

.illus-3d-block {
  width: 100%;
  height: 380px;
  border-radius: 24px;
  background: radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.25), transparent 55%),
    linear-gradient(160deg, rgba(0, 40, 120, 0.4), rgba(0, 200, 255, 0.15));
  margin-bottom: 24px;
}

.dots-nav {
  display: flex;
  gap: 10px;
  justify-content: center;
}

.dots-nav span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
}

.deck-slide--theme-myth-orange {
  background: #ff6f1a;
  background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 12px 12px;
}

.slide-split--myth {
  padding-top: 110px;
}

.deck-slide--theme-loading-navy {
  background: #0c1836;
}

.slide-loading-lab {
  padding: 120px 72px 72px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  height: 100%;
}

.loading-row {
  display: flex;
  gap: 28px;
}

.loading-row--3 .mini-card {
  flex: 1;
  aspect-ratio: 1;
}

.loading-row--2 .wide-card {
  flex: 1;
  height: 280px;
}

.mini-card,
.wide-card {
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mini-card video,
.wide-card video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.deck-slide--theme-purple-blue {
  background: linear-gradient(145deg, #2a1f5c 0%, #1a3b7a 100%);
}

.stickers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 22px;
  padding: 120px 80px 80px;
  height: 100%;
}

.sticker-cell {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sticker-cell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.deck-slide--theme-logo-black {
  background: #0c0c0c;
}

.slide-logo-card {
  position: absolute;
  left: 50%;
  top: 54%;
  transform: translate(-50%, -50%);
  width: 1400px;
  max-width: 88%;
  background: #fff;
  border-radius: 28px;
  padding: 48px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

.slide-logo-card img {
  width: 100%;
}

.slide-fullbleed-img {
  height: 100%;
  padding: 110px 72px 72px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slide-fullbleed-img img {
  max-width: 100%;
  max-height: 900px;
  object-fit: contain;
}

.deck-slide--theme-charcoal {
  background: #1a1a1a;
}

.deck-slide--theme-count-orange {
  background: #ff7a00;
}

.tri-posters {
  display: flex;
  gap: 40px;
  height: 100%;
  padding: 120px 64px 80px;
  align-items: center;
  justify-content: center;
}

.tri-posters figure {
  margin: 0;
  flex: 1;
  max-width: 480px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.2);
}

.tri-posters img {
  width: 100%;
  display: block;
}

.deck-slide--theme-void {
  background: #0a0a0a;
}

.slide-video-void {
  height: 100%;
  padding: 120px 80px 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slide-video-void video {
  width: 100%;
  max-width: 1600px;
  border-radius: 20px;
  background: #000;
}

.deck-slide--theme-holo {
  background: #000;
}

.deck-slide--theme-pure-black {
  background: #000;
}

.slide-bots {
  height: 100%;
  padding: 120px 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 80px;
}

.slide-bots .bot-a {
  max-height: 720px;
  width: auto;
}

.slide-bots .bot-b {
  max-height: 520px;
  width: auto;
}

.deck-slide--theme-indigo-ui {
  background: #2e3192;
}

.slide-landing-mock {
  display: flex;
  height: 100%;
  padding: 120px 100px 80px;
  gap: 60px;
  align-items: center;
}

.landing-copy {
  flex: 0 0 420px;
}

.landing-copy h2 {
  font-size: 56px;
  margin: 0 0 16px;
}

.landing-copy p {
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.6;
  margin-bottom: 28px;
}

.landing-copy button {
  padding: 14px 32px;
  border-radius: 999px;
  border: none;
  font-weight: 600;
  background: #ff7a00;
  color: #fff;
  cursor: default;
}

.slide-landing-mock > img {
  flex: 1;
  max-height: 820px;
  object-fit: contain;
}

.deck-slide--theme-scratch-purple {
  background: linear-gradient(135deg, #4a1f8c 0%, #2d0f55 100%);
}

.slide-scratch {
  height: 100%;
  position: relative;
  padding: 100px 80px;
}

.scratch-layers {
  position: absolute;
  left: 50%;
  top: 48%;
  transform: translate(-50%, -50%);
  width: 900px;
  height: 700px;
}

.scratch-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.55;
}

.scratch-blob.b1 {
  width: 280px;
  height: 280px;
  background: #ff9800;
  right: 5%;
  top: 10%;
}

.scratch-blob.b2 {
  width: 180px;
  height: 180px;
  background: #00e5ff;
  left: 0;
  bottom: 20%;
}

.scratch-blob.b3 {
  width: 120px;
  height: 120px;
  background: #e040fb;
  right: 20%;
  bottom: 10%;
}

.scratch-bot {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  display: block;
}

.scratch-word {
  position: absolute;
  left: 100px;
  bottom: 80px;
  font-size: 56px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.scratch-num {
  position: absolute;
  right: 80px;
  top: 120px;
  font-size: 120px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.06);
}

.deck-slide--theme-class-yellow {
  background: #ffd400;
}

.slide-classroom {
  height: 100%;
  padding: 120px 100px 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.class-label {
  color: #222;
  font-size: 15px;
  margin: 0 0 16px;
}

.class-frame {
  flex: 1;
  width: 100%;
  max-width: 1580px;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.2);
}

.class-frame img {
  width: 100%;
  display: block;
}

.deck-slide--theme-white-tiles {
  background: #fff;
}

.tiles-2x3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 28px;
  padding: 120px 100px 80px;
  height: 100%;
}

.tile-cell {
  border-radius: 20px;
  overflow: hidden;
  background: #f0f4f8;
}

.tile-cell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.deck-slide--theme-year-burgundy {
  background: #5c1324;
}

.slide-year {
  height: 100%;
  padding: 110px 80px 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.year-frame {
  width: min(1200px, 92%);
  border-radius: 32px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

.year-frame img {
  width: 100%;
  display: block;
}

.deck-slide--theme-hand-navy {
  background: #070d1f;
  background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 14px 14px;
}

.slide-hand {
  height: 100%;
  padding: 110px 80px 80px;
  position: relative;
}

.hand-ui {
  position: absolute;
  top: 100px;
  left: 80px;
  right: 80px;
  display: flex;
  justify-content: space-between;
  z-index: 2;
}

.pill-back,
.pill-menu {
  width: 56px;
  height: 40px;
  border: 1px dashed rgba(255, 80, 80, 0.5);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.2);
}

.hand-stage {
  position: absolute;
  inset: 160px 100px 100px;
  border-radius: 28px;
  border: 2px solid transparent;
  background: linear-gradient(#0a1020, #0a1020) padding-box,
    linear-gradient(120deg, #00c6ff, #7b2cbf, #ff006e) border-box;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hand-stage img {
  max-width: 96%;
  max-height: 96%;
  object-fit: contain;
}

.hand-lottie-host {
  position: absolute;
  right: 120px;
  bottom: 120px;
  width: 200px;
  height: 200px;
  z-index: 3;
}

/* ========== Deck 通用框架：底层素材槽 + 前景层（单页内可再覆盖） ========== */
.deck-slide__media {
  position: absolute;
  top: -1px;
  right: -1px;
  bottom: 0;
  left: -1px;
  z-index: 0;
  border: none;
  outline: none;
  box-shadow: none;
  border-radius: inherit;
  overflow: hidden;
  pointer-events: none;
}

.deck-slide__media-inner {
  position: absolute;
  top: -1px;
  right: -1px;
  bottom: 0;
  left: -1px;
  border: none;
  outline: none;
  box-shadow: none;
  border-radius: inherit;
  overflow: hidden;
  pointer-events: none;
  isolation: isolate;
}

.deck-media-zone {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.deck-media-zone--z1 {
  z-index: 1;
}

.deck-media-zone--z2 {
  z-index: 2;
}

.deck-media-zone--z3 {
  z-index: 3;
}

.deck-media-zone--z4 {
  z-index: 4;
}

.deck-media-zone--z5 {
  z-index: 5;
}

.deck-video-bg-slot {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.deck-media-zone--z1 > .deck-media-fill-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

video.deck-managed-video.deck-video-bg {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  border-radius: 0;
}

.deck-video-layer {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.deck-video-slot {
  width: min(var(--deck-video-slot-w, 1630px), 100%);
  margin: 0 auto;
  flex: 0 0 auto;
  pointer-events: none;
}

.deck-video-slot__frame {
  width: 100%;
  min-height: 220px;
  border: 1px dashed rgba(255, 255, 255, 0.22);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.18);
}

.deck-video-slot__ph {
  font-size: 13px;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.4);
}

.deck-image-slot {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.deck-dec-slot,
.deck-media-zone--z4 .deck-lottie-slot {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.deck-image-top-slot {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.deck-media-img-top {
  display: block;
  max-width: 100%;
  height: auto;
}

.deck-media-img-top--full {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.deck-media-img {
  display: block;
  max-width: 100%;
  height: auto;
}

.deck-media-layout {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.deck-media-layout--grid-2x2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  padding: 120px 100px 80px;
}

.deck-media-layout--stickers {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 22px;
  padding: 120px 80px 80px;
}

.deck-media-layout--tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 28px;
  padding: 120px 100px 80px;
}

.deck-media-layout--tri {
  display: flex;
  gap: 40px;
  padding: 120px 64px 80px;
  align-items: center;
  justify-content: center;
}

.deck-media-layout--dual {
  display: flex;
  gap: 48px;
  padding: 110px 80px 80px;
  align-items: center;
  justify-content: center;
}

.deck-media-layout--desk-stack {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.deck-media-layout--avatar-frames {
  padding: 100px 80px 72px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 36px;
}

.deck-media-layout--loading-lab {
  padding: 120px 72px 72px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  justify-content: center;
}

.deck-media-layout--loading-lab .deck-video-slot {
  width: 100%;
}

.deck-media-layout img,
.deck-media-layout video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.slide-profile__avatar-spacer {
  width: 220px;
  height: 220px;
  flex-shrink: 0;
}

.deck-media-img--mtow-main {
  width: min(1560px, 92%);
  border-radius: var(--radius-inner);
}

.deck-media-img--desk-room {
  width: 380px;
  border-radius: 24px;
  position: absolute;
  left: calc(50% - 460px);
  top: 50%;
  transform: translateY(-50%);
}

.deck-dec-img {
  position: absolute;
  left: calc(50% + 80px);
  bottom: 180px;
  max-width: 420px;
  height: auto;
}

.deck-media-img--s30-device {
  max-height: 720px;
  width: auto;
  position: absolute;
  right: 136px;
  top: 50%;
  transform: translateY(-50%);
}

.deck-media-img--square-art {
  width: min(920px, 86%);
  max-height: 860px;
  object-fit: contain;
  border-radius: 12px;
}

.deck-media-img--white-card {
  max-width: 1600px;
  width: 92%;
  border-radius: var(--radius-inner);
}

.deck-media-img--white-card.deck-media-img--pad {
  max-width: 1480px;
}

.deck-media-img--game-phone {
  width: 380px;
  border-radius: 24px;
  position: absolute;
  left: calc(50% - 460px);
  top: 50%;
  transform: translateY(-50%);
}

.deck-media-img--royal-phone {
  width: 380px;
  border-radius: 24px;
  position: absolute;
  left: calc(50% - 460px);
  top: 50%;
  transform: translateY(-50%);
}

.deck-media-img--royal-illus {
  position: absolute;
  right: 100px;
  top: 220px;
  max-width: 640px;
  max-height: 420px;
  object-fit: contain;
}

.deck-media-img--myth-phone {
  width: 380px;
  border-radius: 24px;
  position: absolute;
  left: calc(50% - 460px);
  top: 50%;
  transform: translateY(-50%);
}

.deck-media-img--logo-card {
  width: min(1400px, 88%);
}

.deck-media-img--fullbleed {
  max-width: 100%;
  max-height: 900px;
  object-fit: contain;
}

.deck-media-img--fullbleed.deck-media-img--lift {
  max-height: 820px;
}

.deck-media-img--landing {
  position: absolute;
  right: 100px;
  top: 50%;
  transform: translateY(-50%);
  max-height: 820px;
  max-width: 58%;
  object-fit: contain;
}

.scratch-bot {
  max-width: 720px;
  width: 72%;
}

.deck-dec-slot .deck-dec-img:nth-child(1) {
  width: 280px;
  left: 38%;
  top: 22%;
  opacity: 0.85;
}

.deck-dec-slot .deck-dec-img:nth-child(2) {
  width: 180px;
  left: 28%;
  bottom: 28%;
  opacity: 0.85;
}

.deck-dec-slot .deck-dec-img:nth-child(3) {
  width: 120px;
  right: 32%;
  bottom: 18%;
  opacity: 0.85;
}

.deck-slide--theme-scratch-purple .deck-dec-slot .deck-dec-img {
  position: absolute;
  height: auto;
  filter: blur(2px);
}

.deck-media-img--classroom {
  width: min(1580px, 92%);
  border-radius: 28px;
}

.deck-media-img--year {
  width: min(1200px, 92%);
  border-radius: 32px;
}

.deck-media-img--hand-stage {
  max-width: 96%;
  max-height: 72%;
  object-fit: contain;
}

.deck-media-zone--z4 .deck-lottie-slot .hand-lottie-host {
  position: absolute;
  right: 120px;
  bottom: 120px;
  width: 200px;
  height: 200px;
}

.slide-bots .bot-a,
.deck-media-img.bot-a {
  max-height: 720px;
  width: auto;
  position: absolute;
  left: 18%;
  top: 50%;
  transform: translateY(-50%);
}

.slide-bots .bot-b,
.deck-media-img.bot-b {
  max-height: 520px;
  width: auto;
  position: absolute;
  right: 18%;
  top: 54%;
  transform: translateY(-50%);
}

.phone-shell--ghost {
  visibility: hidden;
  pointer-events: none;
}

.slide-empty {
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.deck-slide__layer .slide-profile--copy,
.deck-slide__layer .slide-mtow--copy,
.deck-slide__layer .slide-split--copy,
.deck-slide__layer .slide-s30--copy,
.deck-slide__layer .slide-landing-mock--copy,
.deck-slide__layer .slide-scratch--copy,
.deck-slide__layer .slide-classroom--copy,
.deck-slide__layer .slide-hand--copy {
  pointer-events: none;
}

.deck-slide__layer .slide-profile--copy .slide-profile__text,
.deck-slide__layer .slide-mtow--copy .mtow-switch,
.deck-slide__layer .landing-copy,
.deck-slide__layer .slide-split__copy,
.deck-slide__layer .hand-ui {
  pointer-events: auto;
}

.deck-slide__layer {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.deck-slide__layer .deck-body {
  pointer-events: auto;
}

video.deck-managed-video {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  border-radius: 12px;
  pointer-events: none;
}

/* WebGL 媒体合成：源节点仅作纹理上传，视觉由 canvas 输出（规范 v1.0 参数不变） */
.deck-slide__media-inner--composited {
  position: relative;
  pointer-events: none;
}

.deck-slide__media-inner--composited .deck-media-zone,
.deck-slide__media-inner--composited .deck-media-layout {
  pointer-events: none;
}

.portfolio-gl-surface,
canvas.portfolio-gl-surface,
.deck-slide__media canvas,
.hand-lottie-host canvas {
  position: absolute;
  left: 0;
  top: 0;
  /* 设计稿 1:1 物理像素，由 JS 写入宽高；禁止百分比二次缩放 */
  width: auto;
  height: auto;
  max-width: none;
  max-height: none;
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  pointer-events: none !important;
  cursor: default !important;
  touch-action: none !important;
  user-select: none !important;
  z-index: 6;
}

/* 仅隐藏已上传纹理的 DOM 源；合成画布 .portfolio-gl-surface 必须保持可见 */
.deck-slide__media-inner--composited .portfolio-render-source:not(.portfolio-gl-surface) {
  opacity: 0 !important;
  pointer-events: none !important;
  cursor: default !important;
  user-select: none !important;
  touch-action: none !important;
}

.deck-slide__media-inner--composited canvas.portfolio-gl-surface {
  opacity: 1 !important;
  visibility: visible !important;
}

/* ========== 增量补丁：修复Safari/老Mac WebKit内核画布右偏 ========== */
html,
body {
  overflow-x: hidden !important;
}

#viewport-fit {
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;

  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;

  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
}

.stage {
  -webkit-transform-origin: center center !important;
  transform-origin: center center !important;
  flex-shrink: 0 !important;
}

.profile-intro__stage {
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;

  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;

  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
}

@supports (-webkit-appearance: none) {
  ::-webkit-scrollbar {
    display: none;
  }
}

/* ========== Lottie 转场：蓝边裁切（scale 微放大 + 容器溢出隐藏） ========== */
.lottie-transition-container,
.lottie-transition-container__host {
  margin: 0;
  padding: 0;
  overflow: hidden;
}

.lottie-transition-container__host canvas,
.lottie-transition-container__host svg {
  display: block;
  width: 100% !important;
  height: 100% !important;
  max-width: none !important;
  max-height: none !important;
  object-fit: fill;
  transform: scale(1.01);
  transform-origin: center center;
}

.lottie-transition-container.is-playing,
.lottie-transition-container.is-fading-out {
  visibility: visible;
}

/* ========== 老 Mac 触控板 / Deck 滚动 GPU 加速 ========== */
.deck-scroll-layer:not([hidden]) {
  -webkit-overflow-scrolling: touch;
}

#deck {
  transform: translateZ(0);
  will-change: transform;
}