/* ============================================================
   章鱼 (Zhangyu) — 机器人企业官网 UI View Frame
   SpaceX 风格: 深色主题、全屏滚动、沉浸式布局
   ============================================================ */

/* ----- CSS Custom Properties (Design Tokens) ----- */
:root {
  /* Colors */
  --bg-primary: #000000;
  --bg-hero: #1a1a2e;
  --bg-section-dexterous: #16213e;
  --bg-section-brain: #1a1a3e;
  --bg-section-data: #0f3460;
  --bg-section-news: #1a2a2a;
  --bg-section-vision: #1a1a28;
  --bg-section-contact: #1a1a25;
  --bg-card: #252540;
  --bg-media-placeholder: #2a2a3e;

  /* Text */
  --text-primary: #f0f0fa;
  --text-secondary: rgba(240, 240, 250, 0.6);
  --text-muted: rgba(240, 240, 250, 0.35);

  /* Header */
  --header-height: 72px;
  --header-bg-transparent: transparent;
  --header-bg-solid: rgba(0, 0, 0, 0.92);

  /* Transitions */
  --transition-fast: 0.25s ease-out;
  --transition-smooth: 0.5s ease;

  /* Spacing */
  --section-padding: 80px;
  --content-max-width: 1400px;
}

/* ----- Reset & Base ----- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: "OPPO Sans 4.0", "OPPOSans", "PingFang SC", "HarmonyOS Sans SC",
    "Microsoft YaHei", "Noto Sans SC", -apple-system, "Segoe UI", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ----- Header ----- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  background: var(--header-bg-transparent);
  transition: background var(--transition-fast);
}

.header.scrolled {
  background: var(--header-bg-solid);
  backdrop-filter: blur(12px);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  white-space: nowrap;
  color: var(--text-primary);
  transition: opacity var(--transition-fast);
}

.header-logo:hover {
  opacity: 0.8;
}


/* Desktop Nav — right aligned */
.header-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: auto;
  margin-right: 24px;
}

.header-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  position: relative;
  padding: 4px 0;
  transition: opacity var(--transition-fast);
}

.header-nav a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--text-primary);
  transition: width var(--transition-fast);
}

.header-nav a:hover::after,
.header-nav a.active::after {
  width: 100%;
}

.header-nav a:hover {
  opacity: 0.85;
}

/* 右侧容器：语言切换 + 汉堡按钮同组，便于移动端切换按钮位于汉堡左侧 */
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Language Switch — 「中文 | EN」分段控件，当前语言高亮（菜单栏最右，无矩形框） */
.header-lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1;
  white-space: nowrap;
  color: var(--text-primary);
  padding: 4px 6px;
}
.header-lang-switch .lang-opt {
  color: var(--text-primary);
  text-decoration: none;
  opacity: 0.55;                 /* 非当前语言略淡 */
  transition: opacity var(--transition-fast);
}
.header-lang-switch .lang-opt:hover { opacity: 1; }
.header-lang-switch .lang-opt.active { opacity: 1; font-weight: 700; }
.header-lang-switch .lang-sep { opacity: 0.4; }

/* Mobile Menu Button */
.header-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
  z-index: 101;
  line-height: 1;
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.mobile-menu-overlay.open {
  display: flex;
}

.mobile-menu-overlay a {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  transition: opacity var(--transition-fast);
}

.mobile-menu-overlay a:hover {
  opacity: 0.7;
}

/* ----- Hero Section (full-screen) ----- */
.hero-section {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--header-height) 40px 60px;
  overflow: hidden;
}

.hero-section .hero-bg {
  background: var(--bg-hero);
}

.hero-title {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.5rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 40px;
}

/* ----- CTA Button (SpaceX style) ----- */
.btn-cta {
  display: inline-block;
  padding: 14px 48px;
  border: 2px solid var(--text-primary);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.btn-cta:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: bounce 2s infinite;
}

.scroll-indicator span {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.scroll-indicator .arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--text-secondary);
  border-bottom: 2px solid var(--text-secondary);
  transform: rotate(45deg);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ----- Product Section (full-screen background, text overlay) ----- */
.product-section {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--header-height) + 40px) 60px 60px;
  overflow: hidden;
  z-index: 1;
}

.product-section.dexterous {
  background: var(--bg-section-dexterous);
}

.product-section.brain {
  background: var(--bg-section-brain);
}

.product-section.data {
  background: var(--bg-section-data);
}

/* Full-screen background media placeholder */
.product-bg-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.product-bg-media .color-block {
  width: 100%;
  height: 100%;
  max-width: none;
  aspect-ratio: auto;
  border-radius: 0;
  border: none;
  background: var(--bg-media-placeholder);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  opacity: 0.7;
}

/* Dark gradient overlay for text readability on top of bg media */
.product-section::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(ellipse at center, transparent 30%, rgba(0,0,0,0.55) 100%);
  pointer-events: none;
}

/* Text overlay on top of background (above the gradient) */
.product-overlay {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

/* Text overlay on top of background */
.product-overlay {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.product-section .product-name {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}

.product-section .product-desc {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}

/* Flat-design media status indicator below product text */
.media-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  margin-bottom: 28px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.media-status .status-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: 0.7;
}

.media-status .status-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: var(--text-secondary);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.media-status .status-icon.playing svg {
  stroke: #4ade80;
}

.media-status .status-text {
  font-size: 0.78rem;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.media-status .status-text.ready {
  color: #4ade80;
}

.product-section .product-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 12px 32px;
  border: 2px solid var(--text-primary);
  transition: all var(--transition-fast);
  color: var(--text-primary);
}

.product-section .product-link:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
}

.product-section .product-link .arrow-right {
  display: inline-block;
  transition: transform var(--transition-fast);
}

.product-section .product-link:hover .arrow-right {
  transform: translateX(4px);
}

/* ----- Color Block Placeholder (media area) ----- */
.color-block {
  flex: 1;
  max-width: 560px;
  aspect-ratio: 16 / 10;
  background: var(--bg-media-placeholder);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.color-block .block-icon {
  font-size: 2.5rem;
  opacity: 0.5;
  margin-bottom: 4px;
}

.color-block .block-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.color-block .block-content {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  max-width: 80%;
  line-height: 1.5;
}

.color-block .block-loading {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
}

/* Video placeholder specific */
.video-placeholder {
  position: relative;
}

.video-placeholder .play-icon {
  width: 60px;
  height: 60px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
  transition: all var(--transition-fast);
}

.video-placeholder .play-icon::after {
  content: "";
  display: block;
  width: 0;
  height: 0;
  border-left: 14px solid rgba(255, 255, 255, 0.6);
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
  margin-left: 3px;
}

.video-placeholder:hover .play-icon {
  border-color: var(--text-primary);
}

.video-placeholder:hover .play-icon::after {
  border-left-color: var(--text-primary);
}

/* Fade transition for video → poster */
.video-fade {
  transition: opacity var(--transition-smooth);
}

.video-fade.loading {
  opacity: 0.3;
}

.video-fade.ready {
  opacity: 1;
}

/* ----- News Summary Section (homepage) ----- */
.news-summary-section {
  width: 100%;
  min-height: 60vh;
  background: var(--bg-section-news);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 40px;
  text-align: center;
}

.news-summary-section .section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 48px;
}

.news-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: var(--content-max-width);
  width: 100%;
  margin-bottom: 48px;
}

.news-card {
  background: var(--bg-card);
  border-radius: 8px;
  overflow: hidden;
  text-align: left;
  transition: transform var(--transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.news-card:hover {
  transform: translateY(-4px);
}

.news-card .card-thumb {
  width: 100%;
  aspect-ratio: 1080 / 705;
  background: var(--bg-media-placeholder);
  position: relative;
  overflow: hidden;
}
.news-card .card-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}
.news-card .card-thumb::after {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 25%;
  background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.85) 100%);
  pointer-events: none;
  z-index: 1;
}
.news-card .card-thumb .thumb-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.news-card .card-body {
  padding: 20px;
}

.news-card .card-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.news-card .card-title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.news-card .card-excerpt {
  display: none;
}

/* News hero (Figma 1440×400) */
.news-hero {
  position: relative;
  width: 100%;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-align: center;
}

.news-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  pointer-events: none;
}

.news-hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 24px;
}

.news-hero-title {
  font-size: clamp(2.5rem, 5.4vw, 4.875rem); /* ≈78px @1440 */
  font-weight: 600;
  line-height: 1.1;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-image: linear-gradient(
    231.12deg,
    #ff3705 4.35%,
    #ffcdfb 33.76%,
    #ffffff 58.89%,
    #00b0f3 86.45%,
    #ff3705 112.24%
  );
}

.news-hero-sub {
  margin-top: 16px;
  font-size: clamp(1rem, 1.6vw, 1.5rem); /* ≈24px @1440 */
  font-weight: 700;
  color: #ffffff;
  line-height: 1.6;
}

.news-hero-sub-img {
  display: block;
  width: 549px;
  max-width: 100%;
  height: auto;
  margin: 16px auto 0;
}

/* ----- Generic Page Sections ----- */
.page-hero {
  width: 100%;
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--header-height) + 40px) 40px 60px;
}

.page-hero.vision-bg { background: var(--bg-section-vision); }
.page-hero.contact-bg { background: var(--bg-section-contact); }
.page-hero.news-bg { background: var(--bg-section-news); }
.page-hero.product-bg { background: var(--bg-hero); }

.page-hero .page-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.page-hero .page-subtitle {
  font-size: clamp(0.9rem, 1.3vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 600px;
}

/* Content section (generic) */
.content-section {
  width: 100%;
  padding: 80px 40px;
}

.content-section.dark { background: var(--bg-primary); }

.content-section .section-inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

/* Card grid (2-3 columns) */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.card-grid.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.feature-card {
  background: var(--bg-card);
  border-radius: 8px;
  padding: 40px 32px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: transform var(--transition-fast);
}

.feature-card:hover {
  transform: translateY(-2px);
}

.feature-card .card-icon-block {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: var(--bg-media-placeholder);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.feature-card .card-heading {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.feature-card .card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Specs table placeholder */
.specs-placeholder {
  width: 100%;
  background: var(--bg-media-placeholder);
  border-radius: 8px;
  padding: 60px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

/* Scene grid placeholder */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.scene-block {
  aspect-ratio: 4 / 3;
  background: var(--bg-media-placeholder);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

/* ----- Vision page ----- */
.vision-values {
  width: 100%;
  padding: 80px 40px;
  background: var(--bg-primary);
}

.vision-values .section-inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

.vision-values .section-heading {
  text-align: center;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  margin-bottom: 48px;
}

.vision-cta {
  width: 100%;
  min-height: 40vh;
  background: var(--bg-section-vision);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 40px;
  text-align: center;
  gap: 24px;
}

.vision-cta .cta-text {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 600;
}

/* ----- Contact page ----- */
.contact-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.contact-info .info-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-info .info-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-info .info-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.contact-info .info-value {
  font-size: 1rem;
  color: var(--text-primary);
}

.contact-info .social-links {
  display: flex;
  gap: 16px;
  margin-top: 24px;
}

.contact-info .social-link {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 8px 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.contact-info .social-link:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
}

/* Contact form placeholder */
.contact-form-placeholder {
  background: var(--bg-media-placeholder);
  border-radius: 8px;
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.contact-form-placeholder h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
  text-align: center;
}

.contact-form-placeholder .mock-input {
  height: 44px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.contact-form-placeholder .mock-textarea {
  height: 120px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  display: flex;
  align-items: flex-start;
  padding: 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.contact-form-placeholder .mock-submit {
  height: 44px;
  background: transparent;
  border: 2px solid var(--text-primary);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 4px;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-form-placeholder .mock-submit:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
}

/* Company stats */
.company-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.stat-card {
  background: var(--bg-card);
  border-radius: 8px;
  padding: 24px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.stat-card .stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.stat-card .stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ----- News list page ----- */
.news-list {
  padding: 60px 80px;
  background: var(--bg-primary);
}

.news-list .section-inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

.pagination-placeholder {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 48px;
}

.pagination-placeholder .page-dot {
  width: 32px;
  height: 32px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.pagination-placeholder .page-dot.active {
  border-color: var(--text-primary);
  color: var(--text-primary);
}

/* ----- Product detail page Hero — full-screen overlay (same as homepage) ----- */
.product-hero {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--header-height) + 40px) 60px 60px;
  overflow: hidden;
}

.product-hero.dexterous { background: var(--bg-section-dexterous); }
.product-hero.brain { background: var(--bg-section-brain); }
.product-hero.data { background: var(--bg-section-data); }
.product-hero.octomind { background: #000000; }
.product-hero.octosense { background: #000000; }

/* Full-screen bg media inside product hero */
.product-hero .hero-bg-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.product-hero .hero-bg-media .color-block {
  width: 100%;
  height: 100%;
  max-width: none;
  aspect-ratio: auto;
  border-radius: 0;
  border: none;
  background: var(--bg-media-placeholder);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  opacity: 0.7;
}

/* Gradient overlay for readability */
.product-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(ellipse at center, transparent 30%, rgba(0,0,0,0.55) 100%);
  pointer-events: none;
}

.product-hero .hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 700px;
}

.product-hero .hero-text {
  text-align: center;
}

.product-hero .product-hero-name {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.product-hero .product-hero-tagline {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.product-hero .key-params {
  display: flex;
  gap: 40px;
  margin-top: 32px;
  justify-content: center;
}

.product-hero .param {
  text-align: center;
}

.product-hero .param-value {
  font-size: 1.5rem;
  font-weight: 700;
}

.product-hero .param-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* CTA link inside product-hero (homepage teasers) */
.product-hero .product-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 12px 32px;
  border: 2px solid var(--text-primary);
  transition: all var(--transition-fast);
  color: var(--text-primary);
  margin-top: 8px;
}

.product-hero .product-link:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
}

.product-hero .product-link .arrow-right {
  display: inline-block;
  transition: transform var(--transition-fast);
}

.product-hero .product-link:hover .arrow-right {
  transform: translateX(4px);
}

/* media-status inside product-hero */
.product-hero .media-status {
  margin-top: 20px;
  margin-bottom: 0;
}

.product-hero .hero-media {
  display: none;
}

.product-cta {
  width: 100%;
  min-height: 50vh;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 40px;
  text-align: center;
  gap: 24px;
}

.product-cta .cta-heading {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 600;
}

/* ----- Footer ----- */
.footer {
  width: 100%;
  background: var(--bg-primary);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 48px 40px 32px;
}

.footer-inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.footer-links {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ----- Scroll Reveal Animation ----- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ----- Section Title ----- */
.section-title {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 48px;
}

/* ============================================================
   Responsive — Mobile (≤768px)
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }

  /* 菜单栏为 fixed，产品页/首页内容下移一个菜单栏高度，避免遮挡顶部内容（新闻/关于 不适用） */
  .home-page,
  .octomind-page,
  .octoh-hand-page,
  .octosense-page {
    padding-top: var(--header-height);
  }

  /* Header */
  .header {
    padding: 0 20px;
  }

  .header-nav {
    display: none;
  }

  .header-menu-btn {
    display: block;
  }

  /* 移动端：中英文切换按钮下移 4px，与汉堡按钮视错觉对齐 */
  .header-lang-switch {
    transform: translateY(4px);
  }

  /* Hero */
  .hero-section {
    padding: var(--header-height) 20px 40px;
  }

  .hero-title {
    font-size: 1.8rem;
  }

  /* News hero */
  .news-hero {
    height: 240px;
  }

  /* Product sections — stack vertically */
    .product-section {
    padding: calc(var(--header-height) + 20px) 20px 40px;
    min-height: 100vh;
  }

  .product-section .product-name {
    font-size: 2.2rem;
  }

  .product-overlay {
    max-width: 100%;
    padding: 0 10px;
  }

  .color-block {
    max-width: 100%;
    width: 100%;
    aspect-ratio: 16 / 10;
  }

  /* Product hero detail */
  .product-hero {
    padding: calc(var(--header-height) + 20px) 20px 40px;
    min-height: 100vh;
  }

  .product-hero .hero-inner {
    flex-direction: column;
    gap: 24px;
    max-width: 100%;
  }

  .product-hero .hero-text {
    max-width: 100%;
  }

  .product-hero .product-hero-name {
    font-size: 2.2rem;
  }

  .product-hero .key-params {
    justify-content: center;
    gap: 24px;
  }

  /* Grids → single column */
  .card-grid,
  .card-grid.cols-2,
  .news-card-grid,
  .scene-grid,
  .company-stats {
    grid-template-columns: 1fr;
  }

  .contact-split {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  /* Content sections */
  .content-section,
  .vision-values,
  .news-list {
    padding: 40px 20px;
  }

  .news-summary-section {
    padding: 60px 20px;
  }

  .product-cta {
    padding: 60px 20px;
    min-height: 40vh;
  }

  /* Footer */
  .footer {
    padding: 32px 20px 24px;
  }

  .footer-links {
    gap: 16px;
  }
}

/* ============================================================
   OctoMind 专属落地页（忠实还原 Figma）
   ============================================================ */
.octomind-page {
  --octo-red: #ff3705;
  --octo-pink: #ffcdfb;
  --octo-pink-2: #ffa7f8;
  --octo-blue: #00b0f3;
  background: #000000;
  color: #ffffff;
  font-family: "OPPO Sans 4.0", "OPPOSans", "PingFang SC", "HarmonyOS Sans SC",
    "Microsoft YaHei", "Noto Sans SC", -apple-system, "Segoe UI", sans-serif;
}

/* 渐变文字通用 */
.octo-features-caption,
.octo-eval-num {
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* 区块容器：统一 1080 内容宽，居中 */
.octo-section {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
  padding-left: 40px;
  padding-right: 40px;
}

/* 通用标题 / 段落 */
.octo-h2 {
  font-size: 30px;
  font-weight: 500;
  line-height: 1.2;
  text-align: center;
}

.octo-lead {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  text-align: center;
  margin-top: 16px;
}

.octo-desc {
  font-size: 14px;
  font-weight: 400;
  line-height: 20px;
  text-align: center;
  opacity: 0.8;
  margin: 16px auto 0;
  max-width: 720px;
}

/* ============================================================
   Hero
   ============================================================ */
.octo-hero {
  position: relative;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  height: 810px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-align: center;
}

.octo-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
  pointer-events: none;
}

.octo-hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: calc(var(--header-height) + 20px) 24px 40px;
}

.octo-hero-title {
  display: block;
  width: 350px;
  max-width: 100%;
  height: auto;
}

.octo-hero-sub {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  line-height: 1.6;
  color: #ffffff;
}

.octo-hero-sub-bold {
  font-weight: 700;
}

.octo-hero-sub-regular {
  font-weight: 400;
}

.octo-hero-sub-img,
.home-hero-sub-img {
  display: block;
  width: 358px;
  max-width: 100%;
  height: auto;
}

.octoh-hero-sub-api-img,
.home-hero-sub-api-img {
  display: block;
  width: 431px;
  max-width: 100%;
  height: auto;
}

.octo-btn-outline {
  margin-top: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 150px;
  height: 38px;
  border: 1.5px solid #ffffff;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.6;
  color: #ffffff;
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.octo-btn-outline:hover {
  background: #ffffff;
  color: #000000;
}

/* ============================================================
   首页（三个产品 hero 瀑布流）
   ============================================================ */
.home-hero {
  position: relative;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  height: 810px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-align: center;
}

.home-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
  pointer-events: none;
}

.home-hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: calc(var(--header-height) + 20px) 24px 40px;
}

.home-hero-title {
  font-size: 78px;
  font-weight: 600;
  line-height: 1;
  color: #ffffff;
}

/* 首页 OctoMind 标题改为图片渲染（与产品页 octomind-hero-title 同图） */
.home-hero-title-img {
  display: block;
  width: 350px;
  max-width: 100%;
  height: auto;
}

/* 标题渐变文字：与各产品页 hero 标题颜色保持一致 */
.home-hero--octomind .home-hero-title {
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-image: linear-gradient(
    226.66deg,
    #ff3705 28.68%,
    #ffcdfb 34.01%,
    #ffcdfb 47.55%,
    #ffffff 84.69%,
    #00b0f3 120.67%,
    #ff3705 163.07%
  );
}

.home-hero--octoh .home-hero-title {
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-image: linear-gradient(
    219.27deg,
    #ffcdfb 1.62%,
    #ff3705 103.67%,
    #ffffff 225.61%,
    #00b0f3 334.94%,
    #ff3705 437.19%
  );
}

.home-hero--octosense .home-hero-title {
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-image: linear-gradient(
    217.8deg,
    #ff3705 0%,
    #ffcdfb 40%,
    #ffffff 70%,
    #00b0f3 100%
  );
}

.home-hero-sub {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  line-height: 1.6;
  color: #ffffff;
}

.home-hero-sub-bold {
  font-weight: 700;
}

.home-hero-sub-regular {
  font-weight: 400;
}

@media (max-width: 768px) {
  .home-hero {
    height: auto;
    min-height: 0;
    aspect-ratio: 402 / 874;
  }

  .home-hero-bg {
    object-position: center;
  }

  .home-hero-content {
    position: absolute;
    left: 0;
    right: 0;
    top: 85.13%;
    padding: 0;
    gap: 0;
  }

  /* 竖版图内按钮：不透明黑底盖住图内背景 + 2px 白边，保留 hover 反色 */
  .home-hero .octo-btn-outline {
    width: 45.27%;
    aspect-ratio: 182 / 50;
    height: auto;
    font-size: clamp(14px, 4vw, 16px);
    background: #000;
    border: 2px solid #fff;
    margin-top: 0;
  }

  .home-hero .octo-btn-outline:hover {
    background: #fff;
    color: #000;
  }

  .home-hero-title {
    font-size: clamp(2.4rem, 11vw, 3.4rem);
  }

  .home-hero-sub {
    font-size: clamp(1rem, 4vw, 1.25rem);
  }
}

/* ============================================================
   SYNWorld 标题区
   ============================================================ */
.octo-synworld-intro {
  margin-top: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.octo-synworld-intro .octo-desc {
  max-width: 614px;
}

/* ============================================================
   3 特点 + 配图
   ============================================================ */
.octo-features {
  margin-top: 60px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 120px;
}

.octo-features-card {
  flex: 0 0 260px;
  margin-top: 40px;
  border: 1px solid #ffffff;
  border-radius: 12px;
  backdrop-filter: blur(2px);
  background: rgba(0, 0, 0, 0.15);
  padding: 30px 40px;
  display: flex;
  flex-direction: column;
  gap: 40px;
  text-align: left;
}

.octo-feature-item {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* 三个特性数字改为图片渲染（与 Figma 各 node 样式一致） */
.octo-feature-num-img {
  height: 24px;
  width: auto;
  align-self: flex-start;
}

.octo-feature-desc {
  font-size: 12px;
  font-weight: 400;
  line-height: 18px;
  opacity: 0.8;
  max-width: 180px;
}

.octo-features-figure {
  flex: 0 0 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.octo-fig-main {
  display: block;
  width: 400px;
  height: auto;
}

.octo-features-caption {
  font-size: 18px;
  font-weight: 600;
  line-height: 24px;
  text-align: center;
  background-image: linear-gradient(
    197.85deg,
    #ff3705 4.35%,
    #ffcdfb 33.76%,
    #ffffff 58.89%,
    #00b0f3 86.45%,
    #ff3705 112.24%
  );
}

/* ============================================================
   基模核心技术 标题
   ============================================================ */
.octo-coretech {
  margin-top: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.octo-coretech .octo-desc {
  max-width: 669px;
}

/* 4 项核心技术 */
.octo-coretech-items {
  margin-top: 50px;
}

.octo-coretech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px 60px;
  position: relative;
  z-index: 1; /* 位于 SYNWorld 水印之上 */
}

.octo-coretech-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  text-align: left;
}

.octo-num {
  flex: 0 0 66px;
  width: 66px;
  height: 40px;
}

.octo-coretech-text {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.octo-item-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  white-space: nowrap;
}

.octo-item-desc {
  font-size: 14px;
  font-weight: 400;
  line-height: 18px;
  opacity: 0.8;
  max-width: 414px;
}

.octo-item-list {
  list-style: disc;
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  line-height: 18px;
  opacity: 0.8;
  max-width: 414px;
}

.octo-item-list strong {
  font-weight: 700;
  color: #ffffff;
}

/* ============================================================
   架构图（SYNWorld 水印已移至 coretech-items 内作背景）
   ============================================================ */
.octo-arch {
  margin-top: 40px; /* Figma：架构图顶距条目底 40px（水印底再低 11px → 间距 29px） */
  display: flex;
  flex-direction: column;
  align-items: center;
}

.octo-watermark {
  position: absolute;
  left: 118px;   /* 与「3 多视角空间理解」正文左对齐：40px 内边距 + 66px 数字 + 12px 间距 */
  bottom: -11px; /* Figma：水印底比条目容器低 11px，即与「3/4」条目底部重叠 */
  width: 243px;
  height: auto;
  z-index: 0;    /* 垫在条目文字之后（grid z-index:1） */
  pointer-events: none;
  user-select: none;
}

.octo-arch-img {
  width: min(872px, 100%);
  border-radius: 20px;
  overflow: hidden;
}

/* ============================================================
   SYNAction 标题
   ============================================================ */
.octo-synaction-intro {
  margin-top: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.octo-synaction-intro .octo-desc {
  max-width: 720px;
}

/* ============================================================
   SYNAction 内容：左三项 + 右流水线
   ============================================================ */
.octo-synaction {
  margin-top: 50px;
  display: grid;
  grid-template-columns: 480px 1fr;
  gap: 40px;
  align-items: start;
}

.octo-synaction-list {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.octo-synaction-item {
  display: flex;
  align-items: center;
}

.octo-circle {
  flex: 0 0 90px;
  width: 90px;
  height: 90px;
  margin-right: -30px;
}

.octo-synaction-text {
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
}

.octo-synaction-text .octo-item-desc {
  max-width: 390px;
}

.octo-synaction-figure {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.octo-pipeline-steps-img {
  display: block;
  width: 525px;
  max-width: 100%;
  height: auto;
}

.octo-pipeline-figure {
  display: block;
  width: 100%;
  border-radius: 13px;
}

/* ============================================================
   SYNEval 标题
   ============================================================ */
.octo-syneval-intro {
  margin-top: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.octo-syneval-intro .octo-desc {
  max-width: 669px;
}

/* VLM banner */
.octo-vlm {
  margin-top: 50px;
  display: flex;
  justify-content: center;
}

.octo-vlm-banner {
  border: 1px solid transparent;
  border-image: linear-gradient(85deg, #7ad6f8 0%, #fed1fa 50%, #fe756a 100%) 1;
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 20px 40px;
  justify-content: center;
}

.octo-vlm-title {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.4;
  white-space: nowrap;
}

.octo-vlm-desc {
  font-size: 14px;
  font-weight: 400;
  line-height: 18px;
  opacity: 0.8;
  text-align: justify;
  max-width: 640px;
}

/* ============================================================
   评测
   ============================================================ */
.octo-eval {
  margin-top: 40px;
  display: grid;
  grid-template-columns: 521px 1fr;
  gap: 80px;
  align-items: start;
  z-index: 1; /* 评测内容叠在 Frame 366 背景图暗层之上 */
}

.octo-eval-img {
  width: 100%;
  border-radius: 8px;
}

.octo-eval-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.octo-eval-title {
  font-size: 16px;
  font-weight: 400;
  line-height: 22px;
}

.octo-eval-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  text-align: left;
}

.octo-eval-num {
  flex: 0 0 36px;
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  background-image: linear-gradient(
    217.32deg,
    #ffcdfb 7.78%,
    rgba(255, 205, 251, 0) 92.59%
  );
}

.octo-eval-text {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.octo-eval-text .octo-item-desc {
  max-width: 400px;
}

/* ============================================================
   评测 + 底部标语 背景（Frame 366）
   ============================================================ */
.octo-slogan-bg {
  display: block;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  height: auto;
}

/* ============================================================
   底部标语
   ============================================================ */
.octo-slogan {
  position: relative;
  /* 负 margin：背景图（Frame 366）上半部暗层与上方「评测」重叠，
     使标语文字贴近上方（Figma 标语 y=4001 距评测底部 3867 = 134px） */
  margin-top: -327px;
  width: 100%;
  overflow: hidden;
}

.octo-slogan-text {
  font-size: 30px;
  font-weight: 500;
  letter-spacing: 9px;
  white-space: nowrap;
}

/* octoMind 专属：底部标语改为图片，叠加在 Frame 366 背景图上（防止手机端换行） */
.octo-slogan-text-img {
  position: absolute;
  left: 0;
  right: 0;
  top: 63%;
  margin: 0 auto;
  z-index: 1;
  display: block;
  width: 493px;
  /* 手机端等比缩放，左右各留 20px 留白 */
  max-width: calc(100% - 40px);
  height: auto;
}

/* 底部菜单栏上移，叠加在底部标语背景上（对齐 Figma：footer 导航位于标语背景底部 155px 内） */
.octomind-page .footer {
  position: relative;
  z-index: 2;
  margin-top: -155px;
  background: transparent;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 40px 40px 40px;
}

.octomind-page .footer-inner {
  gap: 40px;
}

/* ============================================================
   Responsive (≤768px)
   ============================================================ */
@media (max-width: 768px) {
  .octo-hero {
    height: auto;
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .octo-hero-bg {
    object-position: center;
  }

  .octo-hero-content {
    padding: 0 24px;
  }

  .octo-hero-sub {
    font-size: clamp(1rem, 4vw, 1.25rem);
  }

  .octo-btn-outline {
    width: 132px;
    height: 36px;
    font-size: 13px;
  }

  .octo-section {
    padding-left: 20px;
    padding-right: 20px;
  }

  .octo-h2 {
    font-size: 24px;
  }

  .octo-synworld-intro,
  .octo-coretech,
  .octo-synaction-intro,
  .octo-syneval-intro {
    margin-top: 60px;
  }

  .octo-features {
    flex-direction: column;
    align-items: center;
    gap: 40px;
  }

  .octo-features-card {
    flex: 0 0 auto;
    margin-top: 0;
    width: 100%;
    max-width: 360px;
    padding: 24px 28px;
  }

  .octo-features-figure {
    flex: 0 0 auto;
    width: 100%;
    max-width: 400px;
  }

  .octo-fig-main {
    width: 100%;
    height: auto;
  }

  .octo-watermark {
    width: min(180px, 55%);
    left: 20px;
    bottom: -8px;
  }

  .octo-coretech-grid {
    grid-template-columns: 1fr;
  }

  .octo-item-title {
    white-space: normal;
  }

  .octo-synaction {
    grid-template-columns: 1fr;
  }

  .octo-circle {
    flex: 0 0 70px;
    width: 70px;
    height: 70px;
    margin-right: -20px;
  }

  .octo-eval {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .octo-vlm-banner {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    text-align: center;
    padding: 20px;
  }

  .octo-vlm-title {
    white-space: normal;
  }

  .octo-vlm-desc {
    max-width: 100%;
    text-align: center;
  }

  .octo-slogan-text {
    letter-spacing: 3px;
    font-size: 22px;
    white-space: normal;
  }

  .octomind-page .octo-slogan {
    margin-top: -60px; /* 移动端背景图上半部暗层与「评测」列表底部重叠 */
  }

  .octomind-page .footer {
    position: static;
    margin-top: 0;
    background: var(--bg-primary);
    padding: 32px 20px 24px;
  }

  .octomind-page .footer-inner {
    gap: 24px;
  }
}

/* ============================================================
   OctoH-Hand 专属落地页（忠实还原 Figma）
   ============================================================ */
.octoh-hand-page {
  --octo-red: #ff3705;
  --octo-pink: #ffcdfb;
  --octo-blue: #00b0f3;
  background: #000000;
  color: #ffffff;
  font-family: "OPPO Sans 4.0", "OPPOSans", "PingFang SC", "HarmonyOS Sans SC",
    "Microsoft YaHei", "Noto Sans SC", -apple-system, "Segoe UI", sans-serif;
  overflow-x: clip;
}

/* Figma 为 1440px 版式，容器加宽对齐站点 --content-max-width */
.octoh-hand-page .octo-section {
  max-width: 1400px;
}

/* 通用标题 / 段落 */
.octoh-h2 {
  font-size: 30px;
  font-weight: 500;
  line-height: 1.2;
  text-align: center;
}

.octoh-lead {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  text-align: center;
  margin-top: 16px;
}

.octoh-desc {
  font-size: 14px;
  font-weight: 400;
  line-height: 20px;
  text-align: center;
  opacity: 0.8;
  margin: 16px auto 0;
  max-width: 720px;
}

/* 渐变 / 单色文字 */
.octoh-grad-text {
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-image: linear-gradient(
    234.29deg,
    #ff3705 4.35%,
    #ffcdfb 33.76%,
    #ffffff 58.89%,
    #00b0f3 86.45%,
    #ff3705 112.24%
  );
}
.octoh-txt-orange { color: #ff3705; }
.octoh-txt-pink { color: #ffcdfb; }
.octoh-txt-blue { color: #00b0f3; }

/* ============================================================
   Hero
   ============================================================ */
.octoh-hero {
  position: relative;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  height: 810px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-align: center;
}

.octoh-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  pointer-events: none;
}

.octoh-hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.octoh-hero-title {
  font-size: clamp(40px, 5.4vw, 78px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0;
  white-space: nowrap;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-image: linear-gradient(
    219.27deg,
    #ffcdfb 1.62%,
    #ff3705 103.67%,
    #ffffff 225.61%,
    #00b0f3 334.94%,
    #ff3705 437.19%
  );
}

.octoh-hero-sub {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  line-height: 1.6;
  color: #ffffff;
}

.octoh-hero-sub-bold {
  font-weight: 700;
}

.octoh-hero-sub-regular {
  font-weight: 400;
}

.octoh-hero-btn {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

/* ============================================================
   品牌故事
   ============================================================ */
.octoh-story {
  margin-top: 80px;
  display: flex;
  align-items: center;
  gap: 60px;
  justify-content: flex-end;
}

.octoh-story-text {
  flex: 0 0 430px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.octoh-story-text .octoh-h2,
.octoh-story-text .octoh-lead {
  text-align: left;
}

.octoh-story-body {
  margin-top: 16px;
  font-size: 14px;
  line-height: 20px;
  opacity: 0.8;
  text-align: justify;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.octoh-story-img {
  width: 715px;
  max-width: 100%;
  height: auto;
}

/* ============================================================
   图片区（图片 + 产品概述）
   ============================================================ */
.octoh-figure {
  margin-top: 120px;
  display: flex;
  flex-direction: column;
  gap: 80px;
}

/* 图片 + 标题：标题在左，图片在右，垂直居中 */
.octoh-figure-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 40px;
  align-self: flex-end;
  width: auto;
  max-width: 100%;
}

.octoh-figure-img {
  display: block;
  width: 760px;
  max-width: 100%;
  height: auto;
  flex: 0 0 auto;
  order: 2;
}

.octoh-figure-title {
  position: static;
  transform: none;
  order: 1;
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.octoh-figure-title .octoh-h2,
.octoh-figure-title .octoh-lead {
  text-align: left;
}

.octoh-figure-title .octoh-lead {
  margin-top: 0;
}

.octoh-figure-lead-img {
  display: block;
  width: 364px;
  max-width: 100%;
  height: auto;
}

/* 底部一行：产品概述 | 标题（右对齐，压叠 vector） */
.octoh-figure-bottom {
  display: flex;
  align-items: center;
  gap: 40px;
  justify-content: center;
}

.octoh-figure-right {
  flex: 0 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.octoh-overview {
  flex: 0 0 458px;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.octoh-overview .octoh-h2,
.octoh-overview .octoh-lead,
.octoh-overview .octoh-desc {
  text-align: left;
}

.octoh-overview .octoh-lead {
  margin-top: 0;
}

.octoh-overview .octoh-desc {
  margin: 0;
  max-width: 458px;
  text-align: justify;
}

.octoh-figure-headline {
  position: relative;
  z-index: 1;
  display: block;
  width: 475px;
  height: auto;
  margin: 0 -285px 0 0;
}

.octoh-figure-vector {
  flex: 0 0 409px;
  width: 409px;
  max-width: 100%;
  height: auto;
  margin-right: 0;
  pointer-events: none;
}

/* ============================================================
   独特亮点（2×2）
   ============================================================ */
.octoh-highlights {
  margin-top: 120px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.octoh-watermark {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 51px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  background: linear-gradient(180deg, #ffffff 0%, rgba(255, 255, 255, 0.2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0.2;
  user-select: none;
}

.octoh-highlights-grid {
  margin-top: 40px;
  display: flex;
  gap: 40px;
  justify-content: center;
  flex-wrap: wrap;
}

.octoh-highlight-card {
  flex: 0 0 200px;
  max-width: 200px;
  text-align: justify;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.octoh-highlight-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
}

.octoh-highlight-desc {
  font-size: 14px;
  line-height: 18px;
  opacity: 0.9;
  text-align: justify;
}

.octoh-highlight-desc strong {
  font-weight: 800;
  color: #ffffff;
}

/* ============================================================
   5 项技术特性
   ============================================================ */
.octoh-tech {
  margin-top: 120px;
  display: flex;
  align-items: center;
  gap: 80px;
  justify-content: center;
}

.octoh-tech-figure {
  flex: 0 0 auto;
  display: flex;
  align-items: flex-end;
  gap: 20px;
}

.octoh-tech-merged {
  display: block;
  width: 462px;
  max-width: 100%;
  height: auto;
}

.octoh-tech-list {
  flex: 0 0 560px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.octoh-tech-item {
  display: flex;
  align-items: center;
  gap: 20px;
  text-align: left;
}

.octoh-tech-icon {
  flex: 0 0 120px;
  width: 120px;
  height: 120px;
}

.octoh-tech-text {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.octoh-tech-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
}

.octoh-tech-desc {
  font-size: 14px;
  line-height: 18px;
  opacity: 0.9;
  text-align: justify;
}

/* ============================================================
   技术规格表 + 侧栏
   ============================================================ */
.octoh-specs {
  margin-top: 120px;
  display: flex;
  align-items: flex-start;
  gap: 112px;
  justify-content: center;
}

.octoh-specs-table {
  flex: 0 0 422px;
}

.octoh-specs-grid {
  margin-top: 24px;
  border: 1px solid #38312F;
  border-radius: 10px;
  overflow: hidden;
  background: #24201F;
}

.octoh-specs-row {
  display: grid;
  grid-template-columns: 118px 304px;
  font-size: 14px;
  line-height: 1.4;
}

.octoh-specs-row span {
  padding: 10px 16px;
  color: #ffffff;
}

.octoh-specs-row span:first-child {
  border-right: 1px solid #38312F;
}

.octoh-specs-row + .octoh-specs-row {
  border-top: 1px solid #38312F;
}

.octoh-specs-head {
  font-size: 16px;
  background: #4A403E;
}

.octoh-specs-head span {
  color: rgba(255, 255, 255, 0.6);
}

.octoh-specs-side {
  flex: 0 0 469px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.octoh-specs-side .octoh-h2 {
  text-align: left;
}

.octoh-specs-list {
  margin-top: 24px;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 14px;
  line-height: 24px;
}

.octoh-specs-list strong {
  font-weight: 800;
}

.octoh-specs-figure {
  margin-top: 40px;
  width: 462px;
  max-width: 100%;
}

.octoh-specs-merged {
  display: block;
  width: 100%;
  height: auto;
}

/* ============================================================
   场景（2×2）
   ============================================================ */
.octoh-scenes {
  margin-top: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.octoh-scenes-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(2, 600px);
  gap: 0;
  width: 100%;
  max-width: 1200px;
}

.octoh-scene-card {
  position: relative;
  width: 600px;
  max-width: 100%;
  overflow: hidden;
  border-radius: 4px;
}

.octoh-scene-img {
  display: block;
  width: 100%;
  height: auto;
}

/* ============================================================
   极致仿生 与人手同构
   ============================================================ */
.octoh-syn {
  margin-top: 120px;
  position: relative;
  width: 789px;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
}

.octoh-syn-img {
  display: block;
  width: 648px;
  max-width: 82%;
  height: auto;
  margin-left: auto;
}

.octoh-syn-title {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 30px;
  font-weight: 500;
  line-height: 45px;
  letter-spacing: 6px;
  text-align: left;
  white-space: nowrap;
}

/* ============================================================
   底部标语背景（OctoH-Hand）
   ============================================================ */
.octoh-hand-page .octo-slogan {
  position: relative;
  margin: 0 auto;
  padding-bottom: 0;
  max-width: 1440px;
  min-height: 810px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-align: center;
}

.octoh-slogan-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  pointer-events: none;
}

.octoh-hand-page .octo-slogan-text {
  position: relative;
  z-index: 1;
}

.octoh-hand-page .octoh-slogan-api-img {
  position: relative;
  z-index: 1;
  display: block;
  width: 713px;
  max-width: 100%;
  height: auto;
}

/* 底部菜单栏上移，叠加在底部标语背景上（对齐 Figma：footer 导航位于 slogan 底部 155px 内） */
.octoh-hand-page .footer {
  position: relative;
  z-index: 2;
  margin-top: -155px;
  background: transparent;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 40px 40px 40px;
}

.octoh-hand-page .footer-inner {
  gap: 40px;
}

/* ============================================================
   Responsive (≤768px)
   ============================================================ */
@media (max-width: 768px) {
  .octoh-hero {
    height: auto;
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .octoh-hero-sub {
    font-size: 16px;
  }

  .octoh-hero-btn {
    bottom: 32px;
  }

  .octoh-h2 {
    font-size: 24px;
  }

  .octoh-story,
  .octoh-figure,
  .octoh-tech,
  .octoh-specs {
    flex-direction: column;
    gap: 40px;
    margin-top: 60px;
  }

  .octoh-story-text,
  .octoh-story-img,
  .octoh-figure-img,
  .octoh-figure-stage,
  .octoh-figure-bottom,
  .octoh-figure-right,
  .octoh-overview,
  .octoh-tech-figure,
  .octoh-tech-list,
  .octoh-specs-table,
  .octoh-specs-side {
    flex: 0 0 auto;
    width: 100%;
  }

  .octoh-figure-stage {
    align-self: stretch;
    flex-direction: column;
    gap: 24px;
  }

  .octoh-figure-title {
    order: 1;
  }

  .octoh-figure-img {
    order: 2;
  }

  .octoh-figure-bottom {
    flex-direction: column;
    align-items: stretch;
    gap: 32px;
  }

  .octoh-figure-right {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }

  .octoh-figure-headline {
    width: 100%;
    max-width: 475px;
    height: auto;
    margin: 0;
  }

  .octoh-figure-vector {
    flex: 0 0 auto;
    width: 300px;
    max-width: 100%;
    margin-right: 0;
  }

  .octoh-highlights {
    margin-top: 60px;
  }

  .octoh-highlights-grid {
    flex-direction: column;
    align-items: center;
    gap: 28px;
  }

  .octoh-highlight-card {
    flex: 0 0 auto;
    width: 100%;
    max-width: 340px;
  }

  .octoh-tech-item {
    align-items: flex-start;
  }

  .octoh-tech-icon {
    flex: 0 0 72px;
    width: 72px;
    height: 72px;
  }

  .octoh-tech-figure {
    justify-content: center;
  }

  .octoh-tech-merged {
    width: 100%;
  }

  .octoh-specs-figure {
    width: 100%;
  }

  .octoh-specs-merged {
    width: 100%;
  }

  .octoh-scenes {
    margin-top: 60px;
  }

  .octoh-scenes-grid {
    grid-template-columns: 1fr;
  }

  /* 手机端：场景按编号 1→2→3→4（列序 A,C,B,D）排布 */
  .octoh-scene-card:nth-child(1) { order: 1; }  /* A 工厂(1) */
  .octoh-scene-card:nth-child(2) { order: 3; }  /* B 酒店(3) */
  .octoh-scene-card:nth-child(3) { order: 2; }  /* C 家庭(2) */
  .octoh-scene-card:nth-child(4) { order: 4; }  /* D 物流(4) */

  .octoh-scene-card {
    width: 100%;
  }

  .octoh-syn {
    margin-top: 60px;
  }

  .octoh-syn-img {
    max-width: 100%;
  }

  .octoh-syn-title {
    left: 16px;
    font-size: 22px;
    line-height: 33px;
    letter-spacing: 3px;
  }

  .octoh-hand-page .octo-slogan {
    height: auto;
    min-height: 0;
    aspect-ratio: 16 / 9;
    padding-left: 20px;
    padding-right: 20px;
  }

  .octoh-hand-page .footer {
    position: static;
    margin-top: 0;
    background: var(--bg-primary);
    padding: 32px 20px 24px;
  }

  .octoh-hand-page .footer-inner {
    gap: 24px;
  }
}

/* ============================================================
   OctoSense 页面（替换“数据平台”）
   ============================================================ */
.octosense-page {
  --octo-red: #ff3705;
  --octo-pink: #ffcdfb;
  --octo-blue: #00b0f3;
  background: #000000;
  color: #ffffff;
  font-family: "OPPO Sans 4.0", "OPPOSans", "PingFang SC", "HarmonyOS Sans SC",
    "Microsoft YaHei", "Noto Sans SC", -apple-system, "Segoe UI", sans-serif;
  overflow-x: clip;
}

/* Figma 为 1440px 版式，容器加宽对齐站点 --content-max-width */
.octosense-page .octo-section {
  max-width: 1400px;
}

/* 通用标题 / 段落 */
.octos-h2 {
  font-size: 30px;
  font-weight: 500;
  line-height: 1.2;
  text-align: center;
}

.octos-lead {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  text-align: center;
  margin-top: 16px;
}

.octos-lead-img {
  display: block;
  width: 399px;
  max-width: 100%;
  height: auto;
  margin: 16px auto 0;
}

.octos-ego-lead-img {
  display: block;
  width: 304px;
  max-width: 100%;
  height: auto;
  margin: 16px auto 0;
}

.octos-band-title-img {
  display: block;
  width: 600px;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
}

.octos-glove-title-img {
  display: block;
  width: 446px;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
}

.octos-desc {
  font-size: 14px;
  font-weight: 400;
  line-height: 22px;
  text-align: center;
  opacity: 0.8;
  margin: 16px auto 0;
  max-width: 720px;
}

/* ============================================================
   Hero
   ============================================================ */
.octos-hero {
  position: relative;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  height: 810px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-align: center;
}

.octos-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  pointer-events: none;
}

.octos-hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.octos-hero-title {
  font-size: clamp(40px, 5.4vw, 78px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0;
  white-space: nowrap;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-image: linear-gradient(
    217.8deg,
    #ff3705 0%,
    #ffcdfb 40%,
    #ffffff 70%,
    #00b0f3 100%
  );
}

.octos-hero-sub {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  line-height: 1.6;
  color: #ffffff;
}

.octos-hero-sub-bold {
  font-weight: 700;
}

.octos-hero-sub-regular {
  font-weight: 400;
}

/* ============================================================
   产品概述
   ============================================================ */
.octos-overview {
  margin-top: 80px;
}

.octos-overview-body {
  margin-top: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 80px;
}

.octos-overview-img {
  display: block;
  width: 591px;
  max-width: 100%;
  height: auto;
}

.octos-overview-desc {
  width: 571px;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
}

.octos-overview-desc-main {
  font-size: 14px;
  line-height: 20px;
  text-align: justify;
}

.octos-overview-desc-main strong {
  font-weight: 700;
}

.octos-overview-formula {
  font-size: 14px;
  font-weight: 800;
  line-height: 18px;
}

.octos-overview-note {
  font-size: 14px;
  line-height: 18px;
  opacity: 0.8;
}

/* ============================================================
   核心组件（全幅）
   ============================================================ */
.octos-components {
  margin-top: 80px;
}

.octos-components-wrap {
  position: relative;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
}

.octos-components-title {
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.octos-components-title-img {
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: block;
  width: 273px;
  max-width: 100%;
  height: auto;
}

.octos-components-img {
  display: block;
  width: 100%;
  height: auto;
}

/* ============================================================
   OctoS-Band 肌电手环
   ============================================================ */
.octos-band {
  margin-top: 80px;
}

.octos-band-grid {
  margin-top: 48px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 80px;
}

.octos-band-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
}

.octos-band-img {
  display: block;
  width: 569px;
  max-width: 100%;
  height: auto;
}

.octos-band-waves {
  display: block;
  width: 598px;
  max-width: 100%;
  height: auto;
}

.octos-band-right {
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.octos-band-feats {
  margin-top: 70px;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.octos-feat {
  display: flex;
  align-items: center;
  gap: 20px;
}

.octos-feat-icon {
  flex: 0 0 80px;
  width: 80px;
  height: 80px;
}

.octos-feat-text {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.octos-feat-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.2;
}

.octos-feat-desc {
  font-size: 14px;
  line-height: 1.4;
  opacity: 0.8;
}

.octos-band-spec {
  width: 464px;
  max-width: 100%;
  border: 1px solid #2B3237;
  border-radius: 10px;
  overflow: hidden;
  background: #1C2022;
}

.octos-band-spec-title {
  padding: 12px 16px;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.4;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  background: #30383B;
  border-bottom: 1px solid #2B3237;
}

.octos-band-spec-row {
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.5;
  text-align: center;
  color: #ffffff;
}

.octos-band-spec-row strong {
  font-weight: 700;
}

.octos-band-spec-row + .octos-band-spec-row {
  border-top: 1px solid #2B3237;
}

/* ============================================================
   OctoS-Glove 外骨骼同构数采手套
   ============================================================ */
.octos-glove {
  margin-top: 80px;
}

.octos-glove-grid {
  margin-top: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 70px;
}

.octos-glove-spec {
  width: 505px;
  max-width: 100%;
  border: 1px solid #2B3237;
  border-radius: 10px;
  overflow: hidden;
  background: #1C2022;
}

.octos-glove-spec-title {
  padding: 12px 16px;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.4;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  background: #30383B;
  border-bottom: 1px solid #2B3237;
}

.octos-glove-row {
  display: grid;
  grid-template-columns: 94px 1fr;
  font-size: 14px;
  line-height: 1.5;
}

.octos-glove-row strong {
  font-weight: 700;
}

.octos-glove-row span {
  padding: 12px 16px;
  color: #ffffff;
}

.octos-glove-row span:first-child {
  border-right: 1px solid #2B3237;
}

.octos-glove-row + .octos-glove-row {
  border-top: 1px solid #2B3237;
}

.octos-glove-img {
  display: block;
  width: 561px;
  max-width: 100%;
  height: auto;
}

/* ============================================================
   OctoS-Ego 鱼眼头环
   ============================================================ */
.octos-ego {
  margin-top: 80px;
}

.octos-ego-grid {
  margin-top: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 80px;
}

.octos-ego-img {
  display: block;
  width: 505px;
  max-width: 100%;
  height: auto;
}

.octos-ego-spec {
  width: 535px;
  max-width: 100%;
  border: 1px solid #2B3237;
  border-radius: 10px;
  overflow: hidden;
  background: #1C2022;
}

.octos-ego-spec-title {
  padding: 12px 16px;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.4;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  background: #30383B;
  border-bottom: 1px solid #2B3237;
}

.octos-ego-row {
  display: grid;
  grid-template-columns: 94px 1fr;
  font-size: 14px;
  line-height: 1.5;
}

.octos-ego-row strong {
  font-weight: 700;
}

.octos-ego-row span {
  padding: 12px 16px;
  color: #ffffff;
}

.octos-ego-row span:first-child {
  border-right: 1px solid #2B3237;
}

.octos-ego-row + .octos-ego-row {
  border-top: 1px solid #2B3237;
}

/* ============================================================
   OctoS-Forge 数据生产平台
   ============================================================ */
.octos-forge {
  margin-top: 80px;
}

.octos-forge-grid {
  margin-top: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 120px;
}

.octos-forge-list {
  width: 272px;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.octos-forge-item {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.octos-forge-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.2;
}

.octos-forge-title-red { color: #ff574b; }
.octos-forge-title-pink { color: #ffcdfb; }
.octos-forge-title-blue { color: #01b1f4; }

.octos-forge-desc {
  font-size: 14px;
  line-height: 18px;
  opacity: 0.8;
  text-align: justify;
}

.octos-forge-img {
  display: block;
  width: 580px;
  max-width: 100%;
  height: auto;
}

/* ============================================================
   三大数采路径
   ============================================================ */
.octos-paths {
  margin-top: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.octos-paths-img {
  display: block;
  width: 700px;
  max-width: 100%;
  height: auto;
  margin-top: 40px;
}

/* ============================================================
   底部背景
   ============================================================ */
.octos-slogan {
  position: relative;
  margin-top: 80px;
  width: 100%;
  overflow: hidden;
}

.octos-slogan-bg {
  display: block;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  height: auto;
}

/* 底部菜单栏上移，叠加在底部标语背景上（对齐 Figma：footer 导航位于标语背景底部 155px 内） */
.octosense-page .footer {
  position: relative;
  z-index: 2;
  margin-top: -155px;
  background: transparent;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 40px 40px 40px;
}

.octosense-page .footer-inner {
  gap: 40px;
}

/* ============================================================
   Responsive (≤768px)
   ============================================================ */
@media (max-width: 768px) {
  .octos-hero {
    height: auto;
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .octos-hero-sub {
    font-size: 16px;
  }

  .octos-h2 {
    font-size: 24px;
  }

  .octos-overview,
  .octos-band,
  .octos-glove,
  .octos-ego,
  .octos-forge,
  .octos-paths,
  .octos-components,
  .octos-slogan {
    margin-top: 60px;
  }

  .octos-overview-body,
  .octos-band-grid,
  .octos-glove-grid,
  .octos-ego-grid,
  .octos-forge-grid {
    flex-direction: column;
    gap: 40px;
    align-items: center;
  }

  .octos-overview-img,
  .octos-overview-desc,
  .octos-band-img,
  .octos-band-waves,
  .octos-band-right,
  .octos-glove-spec,
  .octos-glove-img,
  .octos-ego-img,
  .octos-ego-spec,
  .octos-forge-list,
  .octos-forge-img {
    width: 100%;
  }

  .octos-band-left {
    width: 100%;
  }

  .octos-band-feats {
    margin-top: 0;
  }

  .octos-feat-icon {
    flex: 0 0 64px;
    width: 64px;
    height: 64px;
  }

  .octosense-page .footer {
    position: static;
    margin-top: 0;
    background: var(--bg-primary);
    padding: 32px 20px 24px;
  }

  .octosense-page .footer-inner {
    gap: 24px;
  }
}

/* ============================================================
   关于章鱼动力 SynapX (About) 页面
   ============================================================ */
.abouts-page {
  background: #000000;
  color: #ffffff;
  font-family: "OPPO Sans 4.0", "OPPOSans", "PingFang SC", "HarmonyOS Sans SC",
    "Microsoft YaHei", "Noto Sans SC", -apple-system, "Segoe UI", sans-serif;
  overflow-x: clip;
}

/* ---------- Hero ---------- */
.abouts-hero {
  position: relative;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  height: 810px;
  overflow: hidden;
  background: #000000;
}

/* 背景（Frame 351 整体导出：empty-horizon + image 206 + 渐变装饰，1440×810） */
.abouts-hero-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  pointer-events: none;
}

/* 标题区「关于」（x=200 y=226 434×103） */
.abouts-hero-content {
  position: absolute;
  left: 200px;
  top: 226px;
  width: 434px;
  z-index: 2;
}

.abouts-hero-title {
  font-size: 30px;
  font-weight: 600;
  line-height: 26px;
  letter-spacing: 0;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-image: linear-gradient(
    194.75deg,
    #ff3705 4.35%,
    #ffcdfb 35.8%,
    #ffffff 62.26%,
    #00b0f3 91.29%,
    #ff3705 118.45%
  );
}

.abouts-hero-sub {
  margin-top: 16px;
  font-size: 14px;
  line-height: 20px;
  color: rgba(255, 255, 255, 0.8);
  text-align: justify;
}

/* ---------- 创始人（Rectangle 152 x=200 y=428；Frame 250 x=363 y=424） ---------- */
.abouts-founder {
  position: absolute;
  left: 200px;
  top: 428px;
  display: flex;
  align-items: flex-start;
  gap: 40px;
  z-index: 2;
}

.abouts-founder-img {
  flex: 0 0 123px;
  width: 123px;
  height: 162px;
  object-fit: cover;
  object-position: top center;
  border-radius: 8px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

.abouts-founder-text {
  flex: 1;
  min-width: 0;
  max-width: 414px;
}

.abouts-founder-name {
  font-size: 30px;
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 8px;
}

.abouts-founder-bio {
  font-size: 14px;
  line-height: 18px;
  color: rgba(255, 255, 255, 0.8);
  text-align: justify;
}

.abouts-founder-bio strong {
  font-weight: 700;
}

/* ---------- 融资背书 ---------- */
.abouts-funding {
  padding: 0 40px 48px;
  text-align: center;
}

.abouts-funding-title {
  font-size: 30px;
  font-weight: 500;
  line-height: 1.2;
}

.abouts-funding-sub {
  margin-top: 20px;
  font-size: 36px;
  font-weight: 600;
  line-height: 1.3;
  text-align: center;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-image: linear-gradient(
    191.22deg,
    #ff3705 4.35%,
    #ffcdfb 35.8%,
    #ffffff 62.26%,
    #00b0f3 91.29%,
    #ff3705 118.45%
  );
}

.abouts-funding-sub-img {
  display: block;
  width: 574px;
  max-width: 100%;
  height: auto;
  margin: 20px auto 0;
}

/* ---------- 投资方 logo（Frame 377 错落排布） ---------- */
.abouts-investors {
  position: relative;
  max-width: 1440px;
  margin: 0 auto 80px;
  height: 254px;
}

.abouts-investors img {
  position: absolute;
  height: auto;
  opacity: 0.9;
  transition: opacity var(--transition-fast);
}

.abouts-investors-220 {
  left: 184px;
  top: 38px;
  width: 517px;
}

.abouts-investors-219 {
  left: 772px;
  top: 0;
  width: 467px;
}

.abouts-investors-218 {
  left: 151px;
  top: 115px;
  width: 499px;
}

.abouts-investors-217 {
  left: 715px;
  top: 146px;
  width: 587px;
}

.abouts-investors img:hover {
  opacity: 1;
}

/* ---------- About 响应式 ---------- */
@media (max-width: 768px) {
  .abouts-hero {
    height: auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding: 0 0 40px;
  }

  .abouts-hero-photo {
    position: relative;
    inset: auto;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
  }

  .abouts-hero-content {
    position: relative;
    left: auto;
    top: auto;
    width: 100%;
    /* 标题 y 与 PC 端 top:226px 绝对一致：图高 56.25vw（16:9），
       故 margin-top = 226px - 56.25vw，标题精确落在页面 y=226px */
    margin-top: calc(226px - 56.25vw);
    padding: 0 20px;
  }

  .abouts-hero-title {
    font-size: 26px;
    line-height: 1.2;
  }

  .abouts-hero-sub {
    font-size: 14px;
  }

  .abouts-founder {
    position: relative;
    left: auto;
    top: auto;
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    margin-top: 32px;
    padding: 0 20px;
  }

  .abouts-founder-img {
    flex: none;
    width: 123px;
    height: 162px;
  }

  .abouts-funding {
    padding: 64px 20px 32px;
  }

  .abouts-funding-title {
    font-size: 24px;
  }

  .abouts-funding-sub {
    font-size: 24px;
  }

  .abouts-investors {
    position: static;
    height: auto;
    margin: 0 auto 80px;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }

  .abouts-investors img {
    position: static;
    left: auto;
    top: auto;
    width: auto;
    max-width: 80%;
    height: auto;
  }
}

/* 手机版浏览器特调：手机端隐藏产品/首页 hero 图上的文字 */
@media (max-width: 768px) {
  .octo-hero-title,
  .octo-hero-sub,
  .octoh-hero-title,
  .octoh-hero-sub,
  .octos-hero-title,
  .octos-hero-sub,
  .home-hero-title,
  .home-hero-title-img,
  .home-hero-sub {
    display: none;
  }
}