.home-page {
  --header-height: 72px;
}

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  display: grid;
  width: 100%;
  height: var(--header-height);
  grid-template-columns: 1fr minmax(210px, 264px) 1fr;
  align-items: center;
  pointer-events: none;
}

.site-header > * {
  pointer-events: auto;
}

.brand-mark {
  width: clamp(132px, 12vw, 174px);
}

.brand-mark img {
  width: 100%;
  filter: invert(1);
}

/* 白天模式：字标恢复原色（原图为深色） */
:root[data-theme="light"] .brand-mark img { filter: none; }
:root[data-theme="light"] .footer-brand img { filter: none; }

.menu-trigger {
  display: flex;
  height: 38px;
  align-items: center;
  justify-content: space-between;
  padding: 0 13px;
  border: 1px dashed var(--border-default);
  border-radius: var(--radius-4);
  background: var(--color-glass);
  color: var(--color-foreground);
  cursor: pointer;
  font-size: var(--label-sm);
  backdrop-filter: blur(5px);
}

.menu-trigger__lines {
  display: grid;
  width: 18px;
  gap: 4px;
}

.menu-trigger__lines i {
  display: block;
  width: 100%;
  height: 1px;
  background: currentColor;
  transition: transform var(--motion-base) var(--ease-ponder);
}

.menu-trigger[aria-expanded="true"] .menu-trigger__lines i:first-child {
  transform: translateY(2.5px) rotate(45deg);
}

.menu-trigger[aria-expanded="true"] .menu-trigger__lines i:last-child {
  transform: translateY(-2.5px) rotate(-45deg);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 22px;
}

.header-cta,
.primary-action {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-4);
  background: transparent;
  font-size: var(--label-sm);
  letter-spacing: 0.02em;
  transition: background var(--motion-fast) var(--ease-ponder), color var(--motion-fast) var(--ease-ponder);
}

.header-cta:hover,
.primary-action:hover,
.primary-action--light {
  background: var(--color-foreground);
  color: var(--color-canvas);
}

.primary-action--light:hover {
  background: transparent;
  color: var(--color-foreground);
}

.menu-overlay {
  position: fixed;
  z-index: 40;
  inset: 0;
  display: flex;
  visibility: hidden;
  align-items: center;
  background: var(--color-canvas);
  opacity: 0;
  transition: opacity var(--motion-base) var(--ease-ponder), visibility var(--motion-base);
}

.menu-overlay.is-open {
  visibility: visible;
  opacity: 1;
}

.menu-overlay__nav {
  display: grid;
  width: 100%;
}

.menu-overlay__nav a {
  display: grid;
  grid-template-columns: minmax(70px, 1fr) 5fr;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px dashed var(--border-default);
}

.menu-overlay__nav span {
  color: var(--color-muted);
  font-size: var(--label-sm);
}

.menu-overlay__nav strong {
  font-size: clamp(2.5rem, 6vw, 6rem);
  font-weight: 500;
  letter-spacing: var(--tracking-display);
  line-height: 0.95;
}

.hero {
  position: relative;
  min-height: 112svh;
  overflow: hidden;
}

.hero__copy {
  position: relative;
  z-index: 5;
  display: flex;
  min-height: 100svh;
  align-items: center;
  flex-direction: column;
  justify-content: flex-start;
  padding-top: clamp(100px, 12vh, 132px);
  text-align: center;
}

.hero__eyebrow {
  margin-bottom: 20px;
  color: var(--color-muted);
}

.hero__title {
  display: grid;
  font-size: clamp(3.15rem, 5.2vw, 5.1rem);
  font-weight: 500;
  letter-spacing: var(--tracking-display);
  line-height: 0.94;
}

.hero__title span {
  display: block;
}

.hero__body {
  max-width: 40ch;
  margin-top: 22px;
  color: var(--color-secondary);
  font-size: var(--body-md);
}

.hero .primary-action {
  margin-top: 24px;
}

.hero__orbit {
  position: absolute;
  z-index: 2;
  inset: 0;
}

.orbit-media {
  position: absolute;
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--border-quiet);
  border-radius: var(--radius-6);
  background: var(--color-canvas);
}

.orbit-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.orbit-media figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 6px 8px;
  background: var(--color-scrim);
  color: var(--color-secondary);
  font-size: 8px;
  letter-spacing: 0.07em;
}

.orbit-media--one { top: 25%; left: 8%; width: 15vw; aspect-ratio: 1.65; }
.orbit-media--two { top: 13%; right: 9%; width: 16vw; aspect-ratio: 1.65; }
.orbit-media--core { top: 52%; left: 39%; width: 24vw; aspect-ratio: 1.72; }
.orbit-media--three { top: 73%; left: 25%; width: 14vw; aspect-ratio: 1.5; }
.orbit-media--four { top: 66%; right: 18%; width: 14vw; aspect-ratio: 1.2; }

.hero__timeline {
  position: absolute;
  z-index: 4;
  bottom: 0;
  left: 50%;
  width: min(240px, 28vw);
  height: 45px;
  border-left: 1px solid var(--border-default);
  transform: translateX(-50%);
}

.hero__timeline::before {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, var(--border-strong) 0 1px, transparent 1px 7px);
  content: "";
}

.hero__timeline-progress {
  position: absolute;
  z-index: 2;
  top: 0;
  bottom: 0;
  left: 0;
  width: 1px;
  background: var(--color-foreground);
}

.hero__scroll {
  position: absolute;
  right: var(--page-gutter);
  bottom: 26px;
  color: var(--color-muted);
}

.manifest-section,
.featured-skill,
.final-cta {
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}

.manifest-section {
  min-height: 110svh;
}

.manifest-section__rule {
  margin-bottom: 26px;
}

.manifest-section__label {
  color: var(--color-muted);
}

.manifest-section__title {
  max-width: 14ch;
  margin-top: clamp(60px, 10vw, 120px);
  margin-left: 16.67%;
}

.manifest-section__body {
  max-width: 38ch;
  margin-top: 38px;
  margin-left: 58.33%;
  color: var(--color-secondary);
  font-size: var(--body-lg);
}

.manifest-rail {
  display: grid;
  margin-top: clamp(80px, 12vw, 150px);
  align-items: stretch;
}

.manifest-rail__frame {
  display: grid;
  border: 1px dashed var(--border-default);
  color: var(--color-muted);
  font-size: var(--label-sm);
}

/* 三条产线案例卡（2026-07-25 拍板：三张卡片、只放介绍不放视频） */
.manifest-rail--skills {
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 2.6vw, 36px);
}

.manifest-rail__frame--filled {
  align-content: start;
  justify-items: start;
  padding: 26px 28px;
  gap: 12px;
  text-align: left;
}

.manifest-rail__frame--filled span { font-size: 9px; letter-spacing: var(--tracking-label); }
.manifest-rail__frame--filled strong { color: var(--color-foreground); font-size: 19px; font-weight: 500; }
.manifest-rail__frame--filled em { color: var(--color-muted); font-size: 10px; font-style: normal; letter-spacing: 0.06em; }
.manifest-rail__frame--filled p { max-width: 34ch; color: var(--color-secondary); font-size: 12px; line-height: var(--leading-body); }

.manifest-rail__frame--skill {
  min-height: 220px;
}

.manifest-rail__frame--skill p { margin-top: auto; }

.featured-skill {
  border-top: 1px solid var(--border-default);
}

.featured-skill__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.featured-skill__number {
  color: var(--color-muted);
  font-size: var(--label-sm);
}

/* 2026-07-25 拍板：视频与右卡整体收小，视频按 9:16 本尊比例陈列不再撑满半屏 */
.featured-skill__grid {
  display: grid;
  max-width: 980px;
  margin: 0 auto;
  border: 1px solid var(--border-default);
  grid-template-columns: minmax(220px, 300px) 1fr;
}

.featured-skill__visual {
  margin: 12px;
  border-radius: var(--radius-4);
  aspect-ratio: 9 / 16;
  max-height: 500px;
}

.featured-skill__content {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  padding: clamp(24px, 3vw, 44px);
  border-left: 1px solid var(--border-default);
}

.featured-skill__content > p {
  max-width: 31ch;
  margin-top: 22px;
  color: var(--color-secondary);
  font-size: var(--body-md);
}

.featured-skill__facts {
  display: grid;
  width: 100%;
  margin-top: auto;
  border-top: 1px dashed var(--border-default);
}

.featured-skill__facts span {
  padding: 12px 0;
  border-bottom: 1px dashed var(--border-default);
  color: var(--color-secondary);
  font-size: var(--label-sm);
  text-transform: uppercase;
}

.featured-skill__content .primary-action {
  margin-top: 24px;
}

.process-section {
  position: relative;
  overflow: clip;
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
  border-top: 1px solid var(--border-default);
}

.process-section::after {
  position: absolute;
  z-index: -1;
  right: 0;
  bottom: 0;
  width: 58%;
  height: 54%;
  background-image: linear-gradient(var(--border-quiet) 1px, transparent 1px), linear-gradient(90deg, var(--border-quiet) 1px, transparent 1px);
  background-size: 132px 132px;
  content: "";
  opacity: 0.55;
}

/* 2026-07-25 拍板：标题固定两行、整体居中 */
.process-section__heading {
  display: grid;
  justify-items: center;
  gap: 26px;
  text-align: center;
}

.process-section__heading h2 {
  max-width: none;
}

.process-section__title span {
  display: block;
}

.process-sequence {
  display: grid;
  margin-top: clamp(70px, 10vw, 130px);
  grid-template-columns: 0.8fr 1.2fr;
  gap: 6vw;
}

.process-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.process-list li {
  display: grid;
  min-height: clamp(150px, 25vh, 220px);
  grid-template-columns: 56px 1fr;
  align-content: center;
  border-bottom: 1px dashed var(--border-default);
  color: var(--color-muted);
  opacity: 0.52;
  transition: color var(--motion-base) var(--ease-ponder), opacity var(--motion-base) var(--ease-ponder), transform var(--motion-base) var(--ease-ponder);
}

.process-list li.is-active {
  color: var(--color-foreground);
  opacity: 1;
  transform: translateX(8px);
}

.process-list span {
  font-size: var(--label-sm);
}

.process-list strong {
  font-size: var(--body-lg);
  font-weight: 500;
}

.process-list p {
  max-width: 38ch;
  margin-top: 12px;
  color: var(--color-secondary);
  font-size: 12px;
  line-height: 1.5;
}

.process-monitor {
  position: sticky;
  top: 96px;
  height: min(68svh, 620px);
}

.process-monitor__header,
.process-monitor__footer {
  display: flex;
  height: 42px;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  border-bottom: 1px dashed var(--border-default);
  color: var(--color-muted);
  font-size: 9px;
  letter-spacing: 0.06em;
}

.process-monitor__footer {
  border-top: 1px dashed var(--border-default);
  border-bottom: 0;
}

.process-monitor__stage {
  position: relative;
  display: grid;
  height: calc(100% - 84px);
  place-items: center;
  overflow: hidden;
}

.process-monitor__grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--border-default) 1px, transparent 1px), linear-gradient(90deg, var(--border-default) 1px, transparent 1px);
  background-position: -1px -1px;
  background-size: 33.333% 50%;
  opacity: 0.75;
}

.process-monitor__import {
  position: absolute;
  z-index: 1;
  display: flex;
  min-height: 46px;
  align-items: center;
  padding: 0 18px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-4);
  color: var(--color-secondary);
  gap: 14px;
  opacity: 0.34;
  transition: opacity 0.35s ease;
}

.process-monitor__import span { font-size: 22px; font-weight: 300; }
.process-monitor__import strong { font-size: 10px; font-weight: 500; }

.process-monitor__media {
  position: relative;
  z-index: 2;
  width: min(48%, 310px);
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-4);
  background: var(--color-canvas);
  transition: opacity 0.35s ease, transform 0.45s var(--ease-ponder), filter 0.35s ease;
}

.process-monitor__media.is-changing {
  opacity: 0;
  filter: blur(10px);
  transform: translateY(18px) scale(0.94);
}

.process-monitor__media img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.process-monitor__media figcaption {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  border-top: 1px dashed var(--border-default);
  font-size: 10px;
}

.process-monitor__media figcaption small { color: var(--color-muted); font-size: 8px; }

.process-monitor__assembly {
  position: absolute;
  z-index: 2;
  right: 9%;
  left: 9%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  color: var(--color-muted);
  font-size: 8px;
  gap: 12px;
}

.process-monitor__assembly i { height: 1px; background: var(--border-strong); }

.process-media-card {
  position: absolute;
  z-index: 3;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-4);
  background: var(--color-canvas);
  opacity: 1;
  transition: opacity 0.42s ease, transform 0.65s var(--ease-ponder), filter 0.42s ease;
}

.process-media-card img { display: block; width: 100%; height: 100%; object-fit: cover; }

.process-media-card figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  min-height: 40px;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  border-top: 1px dashed var(--border-default);
  background: var(--color-glass);
  font-size: 9px;
}

.process-media-card figcaption small { color: var(--color-muted); font-size: 8px; }

/* 2026-07-25：主卡改横版，容纳工作台实机页面截图（16:10 口径） */
.process-media-card--main {
  width: min(72%, 560px);
  height: auto;
  aspect-ratio: 16 / 10;
  transform: translate3d(0, 0, 0);
}

.process-media-card--secondary-a {
  top: 9%;
  left: 5%;
  width: 27%;
  height: auto;
  aspect-ratio: 16 / 10;
  opacity: 0.54;
  transform: translate3d(-8px, -4px, 0) scale(0.94);
}

.process-media-card--secondary-b {
  right: 4%;
  bottom: 8%;
  width: 28%;
  height: auto;
  aspect-ratio: 16 / 10;
  opacity: 0.62;
  transform: translate3d(8px, 5px, 0) scale(0.96);
}

.process-media-card.is-changing { opacity: 0; filter: blur(10px); }
.process-media-card--main.is-changing { transform: translate3d(0, 24px, 0) scale(0.9); }
.process-media-card--secondary-a.is-changing { transform: translate3d(-28px, -18px, 0) scale(0.86); }
.process-media-card--secondary-b.is-changing { transform: translate3d(26px, 20px, 0) scale(0.88); }

.final-cta {
  display: flex;
  min-height: 100svh;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  border-top: 1px solid var(--border-default);
  text-align: center;
}

.final-cta h2 {
  max-width: 12ch;
  margin-top: 28px;
}

.final-cta > p:not(.eyebrow) {
  margin-top: 28px;
  color: var(--color-secondary);
}

.final-cta .primary-action {
  margin-top: 30px;
}

.site-footer {
  padding-top: 30px;
  padding-bottom: 18px;
  border-top: 1px solid var(--border-default);
}

.site-footer__top,
.site-footer__bottom {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
  font-size: var(--label-sm);
}

.site-footer__top nav {
  display: flex;
  justify-content: center;
  gap: 22px;
}

.site-footer__top .language-switch {
  justify-self: end;
}

.site-footer__wordmark {
  overflow: hidden;
  padding-top: 7vw;
  font-size: 15.5vw;
  font-weight: 500;
  letter-spacing: -0.075em;
  line-height: 0.72;
  white-space: nowrap;
}

.site-footer__bottom {
  margin-top: 26px;
  padding-top: 12px;
  border-top: 1px solid var(--border-default);
  color: var(--color-muted);
}

.site-footer__bottom span:last-child {
  grid-column: 3;
  text-align: right;
}

@media (max-width: 991px) {
  .header-actions .header-cta { display: none; }
  .site-header { grid-template-columns: 1fr minmax(180px, 240px) 1fr; }
  .orbit-media--core { left: 27%; width: 46vw; }
}

@media (max-width: 767px) {
  .home-page { --header-height: 64px; }
  .site-header { grid-template-columns: 1fr minmax(92px, 150px) auto; gap: 10px; }
  .menu-trigger { grid-column: 2; }
  .header-actions { display: flex; grid-column: 3; gap: 0; }
  .header-actions .header-cta { display: none; }
  .header-actions .language-switch { min-width: 48px; }
  .brand-mark { width: 126px; }
  .menu-overlay__nav a { grid-template-columns: 56px 1fr; }
  .hero { min-height: 1180px; }
  .hero__copy { min-height: 420px; padding-top: 88px; }
  .hero__title { font-size: clamp(2.65rem, 11vw, 4.2rem); }
  .hero__body { max-width: 29ch; margin-top: 34px; }
  .hero__orbit { top: 230px; }
  .orbit-media figcaption { display: none; }
  .orbit-media--one { top: 20%; left: 5%; width: 38vw; }
  .orbit-media--two { top: 14%; right: 4%; width: 36vw; }
  .orbit-media--core { top: 38%; left: 14%; width: 72vw; }
  .orbit-media--three { top: 68%; left: 8%; width: 36vw; }
  .orbit-media--four { top: 73%; right: 0; width: 36vw; }
  .hero__timeline { bottom: 30px; }
  .hero__scroll { display: none; }
  .manifest-section { min-height: auto; }
  .manifest-section__title,
  .manifest-section__body { margin-left: 0; }
  .manifest-section__body { max-width: 30ch; }
  .manifest-rail--skills { grid-template-columns: 1fr; gap: 18px; }
  .manifest-rail__frame--skill { min-height: 0; }
  .featured-skill__grid { grid-template-columns: 1fr; }
  .featured-skill__visual { max-width: 280px; margin-inline: auto; }
  .featured-skill__content { border-top: 1px solid var(--border-default); border-left: 0; }
  .process-sequence { grid-template-columns: 1fr; }
  .process-section__heading { gap: 26px; }
  .process-sequence { gap: 54px; }
  .process-monitor { position: relative; top: 0; height: 510px; }
  .process-section::after { width: 100%; height: 38%; background-size: 82px 82px; }
  .site-footer__top { grid-template-columns: 1fr 1fr; }
  .site-footer__top nav { display: none; }
  .site-footer__wordmark { padding-top: 16vw; font-size: 15vw; }
  .site-footer__bottom { grid-template-columns: 1fr 1fr; }
  .site-footer__bottom span:last-child { grid-column: 2; }
}

@media (max-width: 479px) {
  .hero { min-height: 1040px; }
  .hero__title { font-size: clamp(2.45rem, 10.5vw, 3.25rem); }
  .hero__body { font-size: 0.92rem; }
  .hero__orbit { top: 230px; }
  .process-list li { min-height: 136px; }
  .process-media-card--main { width: 86%; }
  .process-media-card--secondary-a { top: 6%; left: 3%; width: 32%; }
  .process-media-card--secondary-b { right: 3%; bottom: 6%; width: 33%; }
  .process-monitor__assembly { right: 5%; left: 5%; }
}


/* 首个官方 Skill：真成片竖版视频位（2026-07-25 替换文字占位） */
.featured-skill__visual { position: relative; overflow: hidden; }
.featured-skill__visual video { display: block; width: 100%; height: 100%; object-fit: cover; }
.featured-skill__caption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 7px 10px;
  background: var(--color-scrim);
  color: var(--color-secondary);
  font-size: 9px;
  letter-spacing: 0.05em;
}


/* 已发布作品墙（AI书单号 × AI好奇喵，2026-07-25） */
.showcase-section { padding-top: var(--section-space); padding-bottom: var(--section-space); border-top: 1px solid var(--border-default); }
.showcase-section__head { display: grid; max-width: 60ch; margin-bottom: clamp(36px, 5vw, 64px); gap: 16px; }
.showcase-section__head p:last-child { color: var(--color-secondary); font-size: var(--body-md); line-height: var(--leading-body); }
.showcase-card { position: relative; overflow: hidden; margin: 0; border: 1px solid var(--border-quiet); border-radius: var(--radius-6); background: var(--color-canvas); }
.showcase-card video { display: block; width: 100%; aspect-ratio: 9 / 16; background: #000; object-fit: cover; }
.showcase-card figcaption { display: grid; padding: 9px 11px; border-top: 1px dashed var(--border-quiet); gap: 3px; }
.showcase-card figcaption strong { overflow: hidden; font-size: 11px; font-weight: 500; text-overflow: ellipsis; white-space: nowrap; }
.showcase-card figcaption span { color: var(--color-muted); font-size: 9px; }

/* 单行流动作品墙（2026-07-25 晚拍板砍掉第二行）：向右无缝循环，hover 暂停 */
.showcase-marquee {
  overflow: hidden;
  margin-inline: calc(-1 * var(--page-gutter));
}

.showcase-marquee__track {
  display: flex;
  width: max-content;
  gap: 14px;
  will-change: transform;
}

.showcase-marquee__track.is-flowing {
  animation: showcase-marquee-left var(--marquee-duration, 60s) linear infinite;
}

.showcase-marquee[data-marquee-direction="right"] .showcase-marquee__track.is-flowing {
  animation-name: showcase-marquee-right;
}

.showcase-marquee:hover .showcase-marquee__track.is-flowing { animation-play-state: paused; }

.showcase-marquee .showcase-card {
  width: clamp(168px, 15vw, 220px);
  flex: none;
}

@keyframes showcase-marquee-left {
  from { transform: translateX(0); }
  to { transform: translateX(calc(-1 * var(--marquee-shift, 50%))); }
}

@keyframes showcase-marquee-right {
  from { transform: translateX(calc(-1 * var(--marquee-shift, 50%))); }
  to { transform: translateX(0); }
}

@media (prefers-reduced-motion: reduce) {
  .showcase-marquee__track.is-flowing { animation: none; }
}