/* Insta360 风格：黑白高对比、全宽区块、大标题叙事 */
:root {
  --black: #000000;
  --white: #ffffff;
  --gray-bg: #f5f5f7;
  --gray-text: #6e6e73;
  --gray-border: #d2d2d7;
  --accent: #ffd60a;
  --max: 1080px;
  --header-h: 64px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--black);
  background: var(--black);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

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

/* 顶栏：贴近 Insta360 极简导航 */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
}

.topbar--dark {
  color: var(--white);
  background: transparent;
  backdrop-filter: none;
  border-bottom: 1px solid transparent;
}

.topbar--dark:hover,
.topbar--dark:focus-within {
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: saturate(180%) blur(12px);
}

.topbar--light {
  color: var(--black);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--gray-border);
}

.topbar-inner {
  width: min(100%, 1200px);
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

@media (min-width: 901px) {
  .nav a.active::after {
    bottom: -8px;
  }
}

.logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.logo__img {
  height: 28px;
  width: auto;
  display: block;
  object-fit: contain;
  flex-shrink: 0;
}

.logo__name {
  margin-left: 10px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.logo__name--short {
  display: none;
}

@media (max-width: 900px) {
  :root {
    --header-h: 84px;
  }

  .topbar {
    height: auto;
    min-height: var(--header-h);
  }

  /* 小屏顶栏始终带底色，保证导航可读 */
  .topbar--dark {
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: saturate(180%) blur(12px);
  }

  .topbar-inner {
    flex-wrap: wrap;
    align-items: center;
    padding: 8px 12px 0;
    gap: 6px 8px;
  }

  .logo {
    order: 1;
    flex: 1;
    min-width: 0;
    overflow: hidden;
  }

  .topbar__actions {
    order: 2;
    gap: 6px;
  }

  .topbar__actions .btn-buy {
    display: inline-flex;
    min-height: 28px;
    padding: 0 10px;
    font-size: 11px;
  }

  .lang-switch__btn {
    min-width: 28px;
    height: 24px;
    padding: 0 6px;
    font-size: 10px;
  }

  .logo__name--short {
    display: none;
  }

  .logo__name--full {
    display: inline;
    margin-left: 8px;
    font-size: 11px;
    line-height: 1.35;
    max-width: calc(100vw - 168px);
    white-space: normal;
  }

  .logo__img {
    height: 24px;
  }

  .nav {
    order: 3;
    flex: 0 0 100%;
    width: 100%;
    display: flex;
    flex-wrap: nowrap;
    justify-content: safe center;
    gap: 14px;
    margin: 0;
    padding: 6px 2px 10px;
    font-size: 11px;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }

  .topbar--light .nav {
    border-top-color: var(--gray-border);
  }

  .nav::-webkit-scrollbar {
    display: none;
  }

  .nav a {
    flex: 0 0 auto;
    white-space: nowrap;
    opacity: 0.88;
  }

  .nav a.active::after {
    bottom: -4px;
  }
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  padding: 2px;
  border-radius: 980px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.topbar--light .lang-switch {
  background: #f5f5f7;
  border-color: var(--gray-border);
}

.lang-switch__btn {
  min-width: 34px;
  height: 26px;
  padding: 0 8px;
  border: none;
  border-radius: 980px;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 11px;
  cursor: pointer;
  opacity: 0.65;
  transition: background 0.2s ease, opacity 0.2s ease;
}

.lang-switch__btn.is-active {
  opacity: 1;
  background: rgba(255, 255, 255, 0.18);
  font-weight: 600;
}

.topbar--light .lang-switch__btn.is-active {
  background: #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.nav {
  display: flex;
  gap: 20px;
  font-size: 14px;
  font-weight: 400;
}

.nav a {
  opacity: 0.85;
  position: relative;
}

.nav a:hover,
.nav a.active {
  opacity: 1;
}

.nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: currentColor;
}

.topbar--light .nav a {
  color: var(--black);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 16px;
  border-radius: 980px;
  font-size: 13px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.btn:hover {
  opacity: 0.88;
}

.btn-buy {
  background: var(--white);
  color: var(--black);
}

.topbar--light .btn-buy {
  background: var(--black);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.45);
}

.btn-outline-dark {
  color: var(--black);
  border: 1px solid var(--gray-border);
}

.btn-link {
  font-size: 14px;
  color: #2997ff;
  padding: 0;
  min-height: auto;
  background: none;
}

/* 全屏首屏 */
.hero-full {
  /* 略低于一屏，让下一区块标题露出一条，提示下方还有内容 */
  min-height: calc(100vh - 52px);
  min-height: calc(100dvh - 52px);
  padding-top: var(--header-h);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  background: var(--black);
  position: relative;
  overflow: hidden;
}

.hero-full__video {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, #1a1a1a 0%, #000 70%);
  z-index: 0;
}

.hero-full__video-el {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  will-change: transform;
  transform-origin: center center;
}

.hero-full__glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(60px);
  will-change: transform;
}

.hero-full__glow--a {
  width: min(52vw, 520px);
  height: min(52vw, 520px);
  top: 12%;
  left: -8%;
  background: radial-gradient(circle, rgba(41, 151, 255, 0.35) 0%, transparent 68%);
}

.hero-full__glow--b {
  width: min(44vw, 440px);
  height: min(44vw, 440px);
  bottom: 8%;
  right: -6%;
  background: radial-gradient(circle, rgba(120, 86, 255, 0.28) 0%, transparent 70%);
}

/* 视频上方轻遮罩，保证标题与按钮可读 */
.hero-full__video::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.35) 0%,
    rgba(0, 0, 0, 0.2) 45%,
    rgba(0, 0, 0, 0.55) 100%
  );
  pointer-events: none;
  z-index: 1;
}

.hero-full__content {
  position: relative;
  z-index: 1;
  padding: 40px 24px 80px;
  max-width: 900px;
  will-change: transform, opacity;
}

.hero-full__eyebrow {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 12px;
}

.hero-full h1 {
  margin: 0 0 16px;
  font-size: clamp(32px, 5.5vw, 56px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.hero-full__sub {
  font-size: clamp(18px, 2.5vw, 28px);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.75);
  margin: 0 0 28px;
  letter-spacing: -0.02em;
}

.hero-full__actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-full__play {
  margin-top: 48px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}

/* 首屏底部滚动提示 */
.hero-full__scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 20px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  font-size: 24px;
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  transform: translateX(-50%);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.hero-full__scroll-cue:hover {
  color: rgba(255, 255, 255, 0.95);
}

.hero-full__scroll-cue.is-hidden {
  opacity: 0;
  transform: translateX(-50%) translateY(8px);
  pointer-events: none;
}

.hero-full__scroll-cue-icon {
  width: 44px;
  height: 44px;
  border: 2px solid rgba(255, 255, 255, 0.45);
  border-radius: 50%;
  position: relative;
  animation: hero-scroll-bounce 2s ease-in-out infinite;
}

.hero-full__scroll-cue-text {
  font-size: 24px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.hero-full__scroll-cue-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 12px;
  width: 12px;
  height: 12px;
  border-right: 2px solid rgba(255, 255, 255, 0.75);
  border-bottom: 2px solid rgba(255, 255, 255, 0.75);
  transform: translateX(-50%) rotate(45deg);
}

@keyframes hero-scroll-bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(12px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-full__scroll-cue-icon {
    animation: none;
  }
}

/* 亮点条（对标「亮点先睹为快」） */
.highlights {
  background: var(--black);
  color: var(--white);
  padding: 56px 0 72px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.highlights__title {
  text-align: center;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 600;
  margin: 0 0 40px;
  letter-spacing: -0.02em;
}

.highlights__grid {
  width: min(100%, 1100px);
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.highlight-item {
  text-align: center;
  padding: 28px 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

[data-parallax-speed] {
  will-change: transform, opacity;
}

.highlight-item strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
  line-height: 1.35;
}

.highlight-item span {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

/* 公司介绍：左右分栏 + 滚动动效 */
.company-intro {
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.company-intro::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 15% 50%, rgba(41, 151, 255, 0.08) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 85% 30%, rgba(255, 214, 10, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.company-intro__inner {
  position: relative;
  z-index: 1;
  width: min(100%, 1100px);
  margin: 0 auto;
  padding: 88px 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.company-intro__media {
  position: relative;
}

.company-intro__video-frame {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  overflow: hidden;
  background: #1c1c1e;
  box-shadow:
    0 24px 64px rgba(0, 0, 0, 0.45),
    inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  transform-origin: center center;
  will-change: transform;
}

.company-intro__video-frame::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 9px;
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.25) 0%,
    rgba(41, 151, 255, 0.35) 45%,
    rgba(255, 214, 10, 0.2) 100%
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: company-border-glow 4s ease-in-out infinite alternate;
  pointer-events: none;
  z-index: 2;
}

@keyframes company-border-glow {
  from {
    opacity: 0.45;
  }
  to {
    opacity: 1;
  }
}

.company-intro__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.02);
  transition: transform 0.6s ease;
}

.company-intro__video-frame:hover .company-intro__video {
  transform: scale(1.06);
}

.company-intro__video-glow {
  position: absolute;
  inset: auto 10% -20%;
  height: 40%;
  background: radial-gradient(ellipse at center, rgba(41, 151, 255, 0.35) 0%, transparent 70%);
  filter: blur(24px);
  pointer-events: none;
  z-index: 1;
}

.company-intro__eyebrow {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
}

.company-intro__title {
  margin: 0 0 24px;
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.company-intro__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.company-intro__stat {
  padding: 6px 14px;
  border-radius: 980px;
  font-size: 12px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.company-intro__stat:hover {
  background: rgba(41, 151, 255, 0.12);
  border-color: rgba(41, 151, 255, 0.35);
  transform: translateY(-2px);
}

.company-intro__text {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.company-intro__text p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.62);
}

.company-intro__text strong {
  color: rgba(255, 255, 255, 0.92);
  font-weight: 600;
}

.company-intro__text em {
  font-style: normal;
  color: var(--accent);
  font-weight: 600;
}

.company-intro__link {
  display: inline-block;
  margin-top: 28px;
}

/* 滚动进入视口时的淡入位移 */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal--left {
  transform: translate3d(-40px, 0, 0);
}

.reveal--right {
  transform: translate3d(40px, 0, 0);
}

.reveal.is-visible {
  opacity: 1;
  transform: translate3d(var(--parallax-x, 0), var(--parallax-y, 0), 0);
}

.reveal--right.is-visible .company-intro__stat {
  animation: company-stat-pop 0.5s cubic-bezier(0.22, 1, 0.36, 1) backwards;
}

.reveal--right.is-visible .company-intro__stat:nth-child(1) {
  animation-delay: 0.35s;
}

.reveal--right.is-visible .company-intro__stat:nth-child(2) {
  animation-delay: 0.45s;
}

.reveal--right.is-visible .company-intro__stat:nth-child(3) {
  animation-delay: 0.55s;
}

@keyframes company-stat-pop {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* 章节标题区（对标大 Slogan） */
.slice-head {
  text-align: center;
  padding: 88px 24px 48px;
  max-width: 820px;
  margin: 0 auto;
}

.slice-head h2 {
  margin: 0;
  font-size: clamp(28px, 4.5vw, 48px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.slice-head p {
  margin: 16px 0 0;
  font-size: clamp(16px, 2vw, 21px);
  color: var(--gray-text);
  line-height: 1.5;
}

/* 深色功能区块 */
.slice-dark {
  background: var(--black);
  color: var(--white);
}

.slice-dark .slice-head p {
  color: rgba(255, 255, 255, 0.55);
}

/* 专注体验区块：描述文案与下方视频之间留出约 2 行空白 */
.slice-head:has(+ .slice-media) p {
  margin-bottom: 2lh;
}

.slice-media {
  width: min(100%, 1100px);
  margin: 0 auto 80px;
  padding: 0 20px;
  aspect-ratio: 16 / 9;
  border-radius: 4px;
  overflow: hidden;
  background: #0a0a0a;
  transform-origin: center center;
  will-change: transform;
}

.slice-media__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 4px;
}

/* 浅色功能区块 */
.slice-light {
  background: var(--white);
  color: var(--black);
  perspective: 1200px;
}

/* 左右分栏特性（对标图文交替） */
.feature-row {
  width: min(100%, 1100px);
  margin: 0 auto;
  padding: 0 20px 88px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.feature-row--reverse .feature-row__media {
  order: 2;
}

.feature-row--reverse .feature-row__text {
  order: 1;
}

.feature-row__text h3 {
  margin: 0 0 12px;
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.feature-row__text p {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--gray-text);
}

.slice-dark .feature-row__text p {
  color: rgba(255, 255, 255, 0.55);
}

.feature-row__media {
  aspect-ratio: 4 / 3;
  border-radius: 4px;
  background: #1c1c1e;
  overflow: hidden;
  position: relative;
  transform-origin: center center;
  will-change: transform;
  transition: box-shadow 0.4s ease;
}

.feature-row__media:hover {
  box-shadow: 0 28px 64px rgba(0, 0, 0, 0.18);
}

.feature-row__img {
  width: 100%;
  height: 125%;
  object-fit: cover;
  object-position: center;
  display: block;
  will-change: transform;
  transform: translate3d(0, 0, 0) scale(1.08);
  transform-origin: center center;
}

.slice-light .feature-row__media {
  background: var(--gray-bg);
}

/* 应用场景横向轮播（对标 Insta360 产品展示条） */
.scene-showcase .slice-head {
  padding-bottom: 0;
}

.scene-showcase .slice-head h2 {
  margin-bottom: 2lh;
}

.scene-carousel {
  padding-bottom: 88px;
}

.scene-carousel__viewport {
  overflow: hidden;
  width: 100%;
}

.scene-carousel__track {
  display: flex;
  gap: 14px;
  padding: 0 max(20px, calc((100vw - 1100px) / 2));
  overflow-x: auto;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.scene-carousel__track::-webkit-scrollbar {
  display: none;
}

.scene-slide {
  position: relative;
  flex: 0 0 clamp(210px, 24vw, 300px);
  aspect-ratio: 4 / 3;
  border-radius: 12px;
  overflow: hidden;
  background: #1c1c1e;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.scene-slide:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

.scene-slide__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.scene-slide__target {
  position: absolute;
  inset: 0;
  z-index: 1;
}

/* 图片未上传时，用渐变占位 */
.scene-slide--1 {
  background: linear-gradient(145deg, #2c3e50 0%, #1a252f 100%);
}

.scene-slide--2 {
  background: linear-gradient(145deg, #4a3b6b 0%, #2a2240 100%);
}

.scene-slide--3 {
  background: linear-gradient(145deg, #1f4d5c 0%, #122830 100%);
}

.scene-slide--4 {
  background: linear-gradient(145deg, #3d5a45 0%, #243528 100%);
}

.scene-slide--5 {
  background: linear-gradient(145deg, #5c4a3a 0%, #352a22 100%);
}

.scene-slide--6 {
  background: linear-gradient(145deg, #5a3d4a 0%, #352530 100%);
}

.scene-slide--7 {
  background: linear-gradient(145deg, #3a4a5c 0%, #222c38 100%);
}

.scene-slide--8 {
  background: linear-gradient(145deg, #4a4a52 0%, #2a2a30 100%);
}

.scene-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.15) 0%, rgba(0, 0, 0, 0.55) 100%);
  pointer-events: none;
}

.scene-slide__label {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  padding: 5px 14px;
  border-radius: 980px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(0, 0, 0, 0.52);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  white-space: nowrap;
}

.scene-slide__link {
  position: absolute;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  z-index: 2;
  font-size: 12px;
  color: #2997ff;
  opacity: 0;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.scene-slide:hover .scene-slide__link {
  opacity: 1;
  transform: translateX(-50%) translateY(-2px);
}

.scene-carousel__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 28px;
}

.scene-carousel__btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.75);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, opacity 0.2s ease;
}

.scene-carousel__btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
}

.scene-carousel__counter {
  min-width: 48px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  font-variant-numeric: tabular-nums;
}

/* 页脚（对标 Insta360 多栏布局） */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-footer {
  background: #f5f5f7;
  color: #1d1d1f;
}

.site-footer__main {
  padding: 56px 24px 48px;
  border-top: 1px solid #d2d2d7;
}

.site-footer__inner {
  width: min(100%, 1200px);
  margin: 0 auto;
}

.site-footer__row {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 32px 28px;
}

.site-footer__row--secondary {
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid #e5e5ea;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.site-footer__title {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 600;
  color: #1d1d1f;
  letter-spacing: -0.01em;
}

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

.site-footer__links li + li {
  margin-top: 10px;
}

.site-footer__links a {
  font-size: 12px;
  color: #6e6e73;
  transition: color 0.2s ease;
}

.site-footer__links a:hover {
  color: #1d1d1f;
}

.site-footer__subscribe {
  max-width: 260px;
}

.site-footer__desc {
  margin: 0 0 14px;
  font-size: 12px;
  line-height: 1.5;
  color: #6e6e73;
}

.site-footer__field {
  display: flex;
  align-items: center;
  height: 40px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid #d2d2d7;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.site-footer__field:focus-within {
  border-color: #86868b;
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.04);
}

.site-footer__field input {
  flex: 1;
  min-width: 0;
  height: 100%;
  padding: 0 12px;
  border: none;
  background: transparent;
  font: inherit;
  font-size: 12px;
  color: #1d1d1f;
  outline: none;
}

.site-footer__field input::placeholder {
  color: #86868b;
}

.site-footer__field button {
  width: 40px;
  height: 100%;
  border: none;
  background: transparent;
  color: #6e6e73;
  font-size: 18px;
  cursor: pointer;
  transition: color 0.2s ease;
}

.site-footer__field button:hover {
  color: #1d1d1f;
}

.site-footer__agree {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 12px;
  font-size: 11px;
  line-height: 1.45;
  color: #86868b;
  cursor: pointer;
}

.site-footer__agree input {
  margin-top: 2px;
  flex-shrink: 0;
}

.site-footer__agree a {
  color: #2997ff;
}

.site-footer__agree a:hover {
  text-decoration: underline;
}

.site-footer__qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
}

.site-footer__qr-box {
  width: 88px;
  height: 88px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, #fff 25%, transparent 25%) -8px 0 / 16px 16px,
    linear-gradient(225deg, #fff 25%, transparent 25%) -8px 0 / 16px 16px,
    linear-gradient(315deg, #fff 25%, transparent 25%) 0 0 / 16px 16px,
    linear-gradient(45deg, #fff 25%, transparent 25%) 0 0 / 16px 16px,
    #1d1d1f;
  border: 1px solid #d2d2d7;
}

.site-footer__qr-img {
  width: 88px;
  height: 88px;
  border-radius: 8px;
  object-fit: contain;
  background: #fff;
  border: 1px solid #d2d2d7;
}

.site-footer__qr span {
  font-size: 11px;
  color: #6e6e73;
}

.site-footer__bottom {
  padding: 18px 24px 28px;
  background: #ebebef;
  border-top: 1px solid #d2d2d7;
}

.site-footer__bottom-inner {
  width: min(100%, 1200px);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: #86868b;
}

.site-footer__legal a {
  color: #86868b;
  transition: color 0.2s ease;
}

.site-footer__legal a:hover {
  color: #1d1d1f;
}

.site-footer__divider {
  color: #c7c7cc;
}

.site-footer__meta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.site-footer__social {
  display: flex;
  gap: 8px;
}

.site-footer__social a {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  color: #6e6e73;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid #d2d2d7;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.site-footer__social a:hover {
  color: #1d1d1f;
  border-color: #86868b;
}

.site-footer__lang {
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid #d2d2d7;
  background: rgba(255, 255, 255, 0.7);
  font: inherit;
  font-size: 11px;
  color: #6e6e73;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.site-footer__lang:hover {
  color: #1d1d1f;
  border-color: #86868b;
}

/* 内页通用 */
.page-light {
  background: var(--white);
  color: var(--black);
  padding-top: calc(var(--header-h) + 40px);
  min-height: 100vh;
}

.container {
  width: min(var(--max), 92vw);
  margin: 0 auto;
}

.page-head {
  padding: 24px 0 40px;
  text-align: center;
}

.page-head h1 {
  margin: 0 0 10px;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.page-head .muted {
  color: var(--gray-text);
  margin: 0;
  font-size: 17px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-bottom: 64px;
}

/* Insta360 商城风格 · 产品列表与详情 */
.page-store {
  background: #fafafa;
  color: #1d1d1f;
  padding-top: var(--header-h);
}

.store-page {
  background: #fafafa;
}

.store-page-head {
  padding: 48px 24px 32px;
  border-bottom: 1px solid #ebebeb;
  background: #fff;
}

.store-page-head__inner {
  width: min(100%, 1200px);
  margin: 0 auto;
}

.store-page-head h1 {
  margin: 0 0 8px;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.store-page-head p {
  margin: 0;
  font-size: 15px;
  color: #6e6e73;
  line-height: 1.5;
}

.store-page-grid-wrap {
  padding: 40px 24px 64px;
}

.store-page-grid {
  width: min(100%, 1200px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.store-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #ebebeb;
  transition:
    transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.35s ease;
}

.store-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.07);
  border-color: #d2d2d7;
}

.store-card__media {
  aspect-ratio: 4 / 3;
  background: linear-gradient(180deg, #f5f5f7 0%, #ececee 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  overflow: hidden;
}

.store-card__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.store-card:hover .store-card__media img {
  transform: scale(1.06);
}

.store-card__body {
  padding: 16px 18px 20px;
  text-align: center;
}

.store-card__title {
  margin: 0 0 4px;
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: #1d1d1f;
}

.store-card__badge {
  display: inline-block;
  margin-left: 4px;
  font-size: 11px;
  font-weight: 500;
  color: #6e6e73;
  vertical-align: middle;
}

.store-card__subtitle {
  margin: 0 0 10px;
  font-size: 13px;
  color: #6e6e73;
  line-height: 1.4;
}

.store-card__cta {
  font-size: 13px;
  color: #2997ff;
  font-weight: 500;
}

.store-card:hover .store-card__cta {
  text-decoration: underline;
}

.store-card--compact .store-card__media {
  aspect-ratio: 4 / 3;
  padding: 20px;
}

.store-card--compact .store-card__body {
  padding: 16px 18px 20px;
}

.store-card--compact .store-card__title {
  font-size: 16px;
}

.store-card--compact .store-card__subtitle {
  font-size: 13px;
  margin-bottom: 10px;
}

.store-page-cta {
  background: #fff;
  border-top: 1px solid #ebebeb;
  padding: 72px 24px 88px;
  text-align: center;
}

.store-page-cta__inner {
  width: min(100%, 720px);
  margin: 0 auto;
}

.store-page-cta h2 {
  margin: 0 0 24px;
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: #1d1d1f;
}

.store-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 28px;
  border-radius: 980px;
  font-size: 14px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s ease, transform 0.2s ease;
  text-decoration: none;
}

.store-btn:hover {
  opacity: 0.88;
  transform: scale(1.02);
}

.store-btn--primary {
  background: #0071e3;
  color: #fff;
}

.store-btn--dark {
  background: #1d1d1f;
  color: #fff;
}

.store-btn--ghost {
  background: transparent;
  color: #1d1d1f;
  border: 1px solid #d2d2d7;
}

.store-link {
  color: #2997ff;
  font-size: 14px;
}

.store-page--detail {
  padding-top: 0;
}

.store-breadcrumb {
  width: min(100%, 1200px);
  margin: 0 auto;
  padding: 20px 24px 0;
  font-size: 12px;
  color: #86868b;
  display: flex;
  align-items: center;
  gap: 8px;
}

.store-breadcrumb a {
  color: #86868b;
  transition: color 0.2s ease;
}

.store-breadcrumb a:hover {
  color: #1d1d1f;
}

.store-product-hero {
  padding: 24px 24px 56px;
  background: #fff;
  border-bottom: 1px solid #ebebeb;
}

.store-product-hero__inner {
  width: min(100%, 1200px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 48px;
  align-items: center;
}

.store-product-hero__media {
  aspect-ratio: 1 / 1;
  background: linear-gradient(180deg, #f5f5f7 0%, #ececee 100%);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
}

.store-product-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 24px 40px rgba(0, 0, 0, 0.12));
}

.store-product-hero__eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #86868b;
}

.store-product-hero__title {
  margin: 0;
  font-size: clamp(32px, 4.5vw, 48px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: #1d1d1f;
}

.store-product-hero__badge {
  display: inline-block;
  margin-left: 8px;
  font-size: 16px;
  font-weight: 500;
  color: #6e6e73;
  vertical-align: middle;
}

.store-product-hero__subtitle {
  margin: 14px 0 0;
  font-size: clamp(18px, 2.5vw, 24px);
  color: #6e6e73;
  letter-spacing: -0.02em;
}

.store-product-hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.store-specs {
  padding: 64px 24px;
  background: #fafafa;
}

.store-specs__inner,
.store-related__inner {
  width: min(100%, 1200px);
  margin: 0 auto;
}

.store-section-title {
  margin: 0 0 28px;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #1d1d1f;
}

.store-specs__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.store-spec-tile {
  background: #fff;
  border: 1px solid #ebebeb;
  border-radius: 14px;
  padding: 22px 20px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.store-spec-tile:hover {
  border-color: #d2d2d7;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}

.store-spec-tile__label {
  display: block;
  font-size: 12px;
  color: #86868b;
  margin-bottom: 8px;
}

.store-spec-tile__value {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: #1d1d1f;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.store-related {
  padding: 0 24px 64px;
  background: #fafafa;
}

.store-related__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.store-page-cta--detail {
  margin-top: 0;
}

.store-empty {
  width: min(100%, 1200px);
  margin: 80px auto;
  padding: 0 24px;
  text-align: center;
  color: #6e6e73;
}

/* 解决方案页 */
.page-solutions {
  background: #f5f5f7;
  padding-top: var(--header-h);
}

.solution-showcase {
  background: #fff;
}

.solution-tabs {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  overflow-x: auto;
  scrollbar-width: none;
  position: sticky;
  top: var(--header-h);
  z-index: 90;
  height: var(--header-h);
  align-items: center;
  gap: 20px;
  padding: 0 22px;
  border-bottom: 1px solid var(--gray-border);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
}

.solution-tabs::-webkit-scrollbar {
  display: none;
}

.solution-tab {
  flex: 0 0 auto;
  min-width: max-content;
  padding: 0;
  border: none;
  background: transparent;
  font: inherit;
  font-size: 14px;
  font-weight: 400;
  color: var(--black);
  opacity: 0.85;
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  transition: opacity 0.2s ease;
}

.solution-tab:hover,
.solution-tab.is-active {
  opacity: 1;
}

.solution-tab.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: currentColor;
}

.solution-carousel {
  width: 100%;
}

.solution-carousel__viewport {
  position: relative;
  aspect-ratio: 16 / 7;
  max-width: 1200px;
  max-height: 520px;
  margin: 0 auto;
  background: #f5f5f7;
  overflow: hidden;
}

.solution-carousel__slides {
  width: 100%;
  height: 100%;
}

.solution-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.solution-slide.is-active {
  opacity: 1;
  z-index: 1;
}

.solution-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}

.solution-carousel__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 44px;
  height: 44px;
  border: none;
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  transition: background 0.2s ease;
}

.solution-carousel__arrow:hover {
  background: rgba(0, 0, 0, 0.65);
}

.solution-carousel__arrow--prev {
  left: 0;
}

.solution-carousel__arrow--next {
  right: 0;
}

.solution-carousel__dots {
  position: absolute;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  gap: 8px;
}

.solution-dot {
  width: 32px;
  height: 32px;
  border: none;
  background: rgba(255, 255, 255, 0.85);
  color: #1d1d1f;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.solution-dot.is-active {
  background: #0071e3;
  color: #fff;
}

.solution-detail {
  background: linear-gradient(180deg, #fff 0%, #f5f5f7 100%);
  padding: 64px 24px 88px;
}

.solution-detail__inner {
  width: min(100%, 1000px);
  margin: 0 auto;
}

.solution-detail__head {
  text-align: center;
  margin-bottom: 56px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.solution-detail__head h2 {
  margin: 0 0 20px;
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.solution-detail__head p {
  margin: 0 auto;
  max-width: 760px;
  font-size: 15px;
  line-height: 1.85;
  color: #515154;
}

.solution-section-label {
  text-align: center;
  margin: 0 0 28px;
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.solution-scenarios {
  margin-bottom: 72px;
}

.solution-scenarios__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.solution-scenario-card {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 16px;
  padding: 28px 24px;
  text-align: center;
  min-height: 160px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.04);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.solution-scenario-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
}

.solution-scenario-card h4 {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 600;
}

.solution-scenario-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: #6e6e73;
}

/* 应用案例：深色高级区块 */
.solution-cases {
  position: relative;
  margin: 0 -24px;
  padding: 72px 48px;
  border-radius: 24px;
  background:
    radial-gradient(ellipse 70% 60% at 15% 0%, rgba(64, 224, 208, 0.12) 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at 85% 100%, rgba(41, 151, 255, 0.14) 0%, transparent 50%),
    linear-gradient(155deg, #0c0c0e 0%, #12121a 45%, #0a1524 100%);
  overflow: hidden;
  box-shadow:
    0 32px 80px rgba(0, 0, 0, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.solution-cases::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.4;
}

.solution-cases .solution-section-label {
  position: relative;
  z-index: 1;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 40px;
}

.solution-cases__list {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.solution-case {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 32px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}

.solution-case--reverse .solution-case__media {
  order: 2;
}

.solution-case--reverse .solution-case__body {
  order: 1;
}

.solution-case__media {
  aspect-ratio: 16 / 10;
  border-radius: 12px;
  overflow: hidden;
  background: #1c1c1e;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.solution-case__media img,
.solution-case__video {
  width: 100%;
  height: 100%;
  display: block;
}

.solution-case__media img {
  object-fit: cover;
  transition: transform 0.6s ease;
}

.solution-case__video {
  object-fit: contain;
  background: #000;
}

.solution-case:hover .solution-case__media img {
  transform: scale(1.03);
}

.solution-case__num {
  display: block;
  margin-bottom: 16px;
  font-size: clamp(40px, 5vw, 56px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #5eead4 0%, #38bdf8 50%, #818cf8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.solution-case__body h4 {
  margin: 0 0 16px;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 600;
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.95);
}

.solution-case__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.58);
}

/* 关于我们页 */
.page-about {
  background: #fff;
}

.about-page {
  padding-top: 0;
}

.about-hero {
  position: relative;
  min-height: min(72vh, 640px);
  background: #050816;
  overflow: hidden;
}

.about-hero__slides {
  position: relative;
  min-height: inherit;
}

.about-hero__slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.6s ease;
}

.about-hero__slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.about-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 8, 22, 0.15) 0%, rgba(5, 8, 22, 0.45) 100%);
}

.about-hero__content {
  position: relative;
  z-index: 1;
  width: min(100%, 920px);
  padding: calc(var(--header-h) + 48px) 24px 120px;
  text-align: center;
  color: #fff;
}

.about-hero__content h1 {
  margin: 0 0 16px;
  font-size: clamp(24px, 3.6vw, 38px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.02em;
}

.about-hero__content p {
  margin: 0 auto 28px;
  max-width: 640px;
  font-size: clamp(14px, 1.8vw, 18px);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
}

.about-hero__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 132px;
  min-height: 40px;
  padding: 0 24px;
  border-radius: 4px;
  background: #0071e3;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.about-hero__btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.about-hero__controls {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 28px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.about-hero__dots {
  display: flex;
  gap: 8px;
}

.about-hero__dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.about-hero__dot.is-active {
  background: #fff;
  transform: scale(1.1);
}

.about-hero__pager {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(0, 113, 227, 0.88);
  color: #fff;
}

.about-hero__pager-btn {
  width: 24px;
  height: 24px;
  padding: 0;
  border: none;
  background: transparent;
  color: inherit;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}

.about-hero__pager-text {
  min-width: 42px;
  text-align: center;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.about-section-head {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 56px 24px 32px;
}

.about-section-head__line {
  flex: 1;
  max-width: 280px;
  height: 1px;
  background: #d9d9d9;
}

.about-section-head__title {
  margin: 0;
  padding: 10px 28px;
  background: #000;
  color: #fff;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.about-profile__figure {
  margin: 0 auto 40px;
  width: min(100%, 1100px);
  padding: 0 24px;
}

.about-profile__figure img {
  width: 100%;
  height: auto;
  border-radius: 2px;
}

.about-profile__inner {
  width: min(100%, 980px);
  margin: 0 auto;
  padding: 0 24px 72px;
}

.about-profile__text {
  margin: 0 0 56px;
  font-size: 15px;
  line-height: 2;
  color: #333;
  text-align: justify;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  text-align: center;
}

.about-stat__value {
  display: block;
  margin-bottom: 10px;
  font-weight: 700;
  line-height: 1;
}

.about-stat__num {
  font-size: clamp(34px, 4vw, 48px);
  color: #00c8dc;
}

.about-stat__unit {
  margin-left: 2px;
  font-size: clamp(18px, 2vw, 24px);
  color: #00c8dc;
}

.about-stat__label {
  font-size: 15px;
  color: #333;
}

.about-honors {
  padding: 16px 24px 72px;
  background: #fff;
}

.about-honors__title {
  margin: 0 0 36px;
  text-align: center;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
}

.about-honors__media {
  width: min(100%, 1200px);
  margin: 0 auto;
}

.about-honors__media img {
  width: 100%;
  height: auto;
}

.about-vision {
  padding: 56px 24px 88px;
  background: #fff;
}

.about-vision__inner {
  width: min(100%, 900px);
  margin: 0 auto;
  text-align: center;
}

.about-vision__title {
  margin: 0 0 28px;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.about-vision__text {
  margin: 0 0 36px;
  font-size: 15px;
  line-height: 2;
  color: #333;
  text-align: center;
}

.about-vision__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 148px;
  min-height: 42px;
  padding: 0 28px;
  border-radius: 4px;
  background: #0071e3;
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  transition: opacity 0.2s ease;
}

.about-vision__btn:hover {
  opacity: 0.9;
}

/* 关于我们页底部扩展板块（CMS 可叠加多个） */
.about-extra-sections:not([hidden]) {
  display: block;
}

.about-extra {
  padding: 48px 24px 64px;
  background: #fff;
  border-top: 1px solid #eee;
}

.about-extra__inner {
  width: min(100%, 900px);
  margin: 0 auto;
}

.about-extra__title {
  margin: 0 0 24px;
  text-align: center;
  font-size: clamp(22px, 2.8vw, 30px);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.about-extra__body {
  font-size: 15px;
  line-height: 2;
  color: #333;
  text-align: center;
}

.about-extra__body p {
  margin: 0 0 1em;
}

.about-extra__body img,
.about-extra__body .cms-rich-img {
  display: block;
  max-width: min(100%, 480px);
  height: auto;
  margin: 24px auto;
  border-radius: 8px;
}

.about-extra__body .cms-rich-h3,
.about-extra__body .cms-rich-h4 {
  margin: 1.5em 0 0.75em;
  font-weight: 700;
}

.about-extra__body .cms-rich-h3 {
  font-size: 18px;
}

.about-extra__body .cms-rich-h4 {
  font-size: 16px;
}

.about-profile__text img,
.about-profile__text .cms-rich-img,
.about-vision__text img,
.about-vision__text .cms-rich-img {
  max-width: 100%;
  height: auto;
}

.about-extra__body p:last-child {
  margin-bottom: 0;
}

/* 联系我们页 */
.page-contact {
  background: #0a1121;
}

.contact-page {
  padding-top: var(--header-h);
  min-height: calc(100vh - var(--header-h));
}

.contact-panel {
  min-height: inherit;
  background: #0a1121;
  color: #fff;
}

.contact-panel__inner {
  width: min(100%, 1100px);
  margin: 0 auto;
  padding: 72px 24px 88px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 48px 64px;
}

.contact-panel__company {
  margin: 0 0 36px;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.contact-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.contact-panel__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.92);
}

.contact-panel__label {
  flex: 0 0 auto;
  min-width: 2.5em;
  color: rgba(255, 255, 255, 0.72);
}

.contact-panel__list a {
  color: inherit;
  transition: opacity 0.2s ease;
}

.contact-panel__list a:hover {
  opacity: 0.75;
}

.contact-panel__legal {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}

.contact-panel__qr-group {
  display: flex;
  gap: 36px;
  align-items: flex-start;
}

.contact-panel__qr {
  margin: 0;
  text-align: center;
}

.contact-panel__qr img {
  width: 132px;
  height: 132px;
  object-fit: contain;
  background: #fff;
  border-radius: 4px;
}

.contact-panel__qr figcaption {
  margin-top: 12px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.88);
}

/* 软件生态页 */
.page-ecosystem {
  background: #fafafa;
  padding-top: var(--header-h);
}

.ecosystem-hero {
  padding: 48px 24px 32px;
  background: #fff;
  border-bottom: 1px solid #ebebeb;
}

.ecosystem-hero__inner {
  width: min(100%, 1000px);
  margin: 0 auto;
  text-align: center;
}

.ecosystem-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.ecosystem-hero p {
  margin: 0;
  font-size: 15px;
  color: #6e6e73;
}

.ecosystem-grid-wrap {
  padding: 48px 24px 88px;
}

.ecosystem-grid {
  width: min(100%, 1000px);
  margin: 0 auto;
  display: grid;
  gap: 24px;
}

.ecosystem-card {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 32px;
  align-items: start;
  background: #fff;
  border: 1px solid #ebebeb;
  border-radius: 16px;
  padding: 36px 32px;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.ecosystem-card:hover {
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.06);
  border-color: #d2d2d7;
}

.ecosystem-card__icon {
  width: 88px;
  height: 88px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0071e3;
}

.ecosystem-card__icon--app {
  background: linear-gradient(145deg, #e8f4fd 0%, #d6ebfa 100%);
}

.ecosystem-card__icon--web {
  background: linear-gradient(145deg, #eef0ff 0%, #dde2ff 100%);
  color: #5856d6;
}

.ecosystem-card__icon svg {
  width: 48px;
  height: 48px;
}

.ecosystem-card__tag {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #86868b;
}

.ecosystem-card h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 2.5vw, 28px);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.ecosystem-card__desc {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: #6e6e73;
}

.ecosystem-card__features {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ecosystem-card__features li {
  padding: 6px 12px;
  border-radius: 980px;
  font-size: 12px;
  color: #1d1d1f;
  background: #f5f5f7;
  border: 1px solid #ebebeb;
}

.ecosystem-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.ecosystem-card__qr {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ecosystem-card__qr-box {
  width: 72px;
  height: 72px;
  border-radius: 8px;
  border: 1px solid #d2d2d7;
  background:
    linear-gradient(135deg, #fff 25%, transparent 25%) -6px 0 / 12px 12px,
    #1d1d1f;
}

.ecosystem-card__qr span {
  font-size: 12px;
  color: #86868b;
}

/* 悬浮客服按钮 */
.fab-service {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--white);
  color: var(--black);
  border: none;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  cursor: pointer;
  z-index: 90;
  font-size: 18px;
}

@media (max-width: 900px) {
  .highlights__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-row {
    grid-template-columns: 1fr;
  }

  .company-intro__inner {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 64px 20px;
  }

  .feature-row--reverse .feature-row__media,
  .feature-row--reverse .feature-row__text {
    order: unset;
  }

  .scene-slide {
    flex-basis: clamp(180px, 42vw, 260px);
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .products-grid,
  .store-page-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .store-product-hero__inner {
    grid-template-columns: 1fr;
  }

  .store-specs__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .store-related__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .solution-scenarios__grid {
    grid-template-columns: 1fr;
  }

  .solution-case,
  .solution-case--reverse {
    grid-template-columns: 1fr;
  }

  .solution-case--reverse .solution-case__media,
  .solution-case--reverse .solution-case__body {
    order: unset;
  }

  .solution-cases {
    margin: 0;
    padding: 48px 20px;
    border-radius: 16px;
  }

  .solution-case {
    padding: 20px;
    gap: 24px;
  }

  .ecosystem-card {
    grid-template-columns: 1fr;
  }

  .about-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px 16px;
  }

  .about-section-head__line {
    max-width: 48px;
  }

  .about-section-head__title {
    padding: 8px 16px;
    font-size: 16px;
  }

  .about-hero__content {
    padding-bottom: 140px;
  }

  .contact-panel__inner {
    grid-template-columns: 1fr;
    padding: 48px 20px 64px;
  }

  .contact-panel__qr-group {
    justify-content: center;
  }

  .site-footer__row,
  .site-footer__row--secondary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-footer__subscribe {
    grid-column: 1 / -1;
    max-width: none;
  }

  .site-footer__bottom-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}