:root {
  /* 浅粉紫蓝梦幻底色配置 */
  --bg-gradient: linear-gradient(
    180deg,
    #fff7fb 0%,
    #f7ecff 26%,
    #f0f3ff 52%,
    #e9f7ff 78%,
    #fdf7ff 100%
  );
  --section-gradient: linear-gradient(
    180deg,
    rgba(255, 247, 251, 0.96) 0%,
    rgba(247, 236, 255, 0.96) 26%,
    rgba(240, 243, 255, 0.96) 52%,
    rgba(233, 247, 255, 0.96) 78%,
    rgba(253, 247, 255, 0.96) 100%
  );
  --accent: #ff5bb5;
  --accent-soft: rgba(255, 91, 181, 0.12);
  --accent-strong: #ff3d9a;
  --text-main: #18141f;
  --text-muted: #9b92ad;
  --card-bg: #ffffff;
  --card-alt-bg: #ffffff;
  --border-subtle: rgba(15, 6, 41, 0.06);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-pill: 999px;
  --shadow-soft: 0 22px 60px rgba(28, 15, 53, 0.12);
  --shadow-glow: 0 0 40px rgba(255, 91, 181, 0.25);
}

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

html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "PingFang SC", "Microsoft YaHei", sans-serif;
  /* 全局浅粉紫蓝底色 */
  background: var(--bg-gradient);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  position: relative;
}

.page-bg-gradient {
  position: fixed;
  inset: 0;
  background: var(--bg-gradient);
  z-index: -2;
}

/* 浮动 emoji 小组件 */
.floating-emojis {
  position: fixed;
  inset: 0;
  pointer-events: none;
  /* 放在内容上方，但不影响任何点击 */
  z-index: 0;
  overflow: hidden;
}

.floating-emoji {
  position: absolute;
  font-size: 30px;
  opacity: 0.26;
  filter: drop-shadow(0 8px 18px rgba(146, 99, 194, 0.45));
  animation: floatEmoji 16s linear infinite;
}

.floating-emoji-1 {
  left: 8%;
  bottom: -10%;
  animation-duration: 18s;
}

.floating-emoji-2 {
  left: 22%;
  top: -12%;
  animation-duration: 20s;
  animation-delay: 2s;
}

.floating-emoji-3 {
  right: 18%;
  bottom: -14%;
  animation-duration: 22s;
  animation-delay: 4s;
}

.floating-emoji-4 {
  right: 6%;
  top: -10%;
  animation-duration: 19s;
  animation-delay: 6s;
}

.floating-emoji-5 {
  left: 50%;
  bottom: -16%;
  transform: translateX(-50%);
  animation-duration: 24s;
  animation-delay: 1s;
}

@keyframes floatEmoji {
  0% {
    transform: translate3d(0, 0, 0) scale(1) rotate(0deg);
  }
  25% {
    transform: translate3d(8px, -60vh, 0) scale(1.06) rotate(4deg);
  }
  50% {
    transform: translate3d(-6px, -110vh, 0) scale(1.02) rotate(-3deg);
  }
  75% {
    transform: translate3d(4px, -160vh, 0) scale(1.08) rotate(6deg);
  }
  100% {
    transform: translate3d(-4px, -210vh, 0) scale(1) rotate(-4deg);
  }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.98),
    rgba(255, 255, 255, 0.9),
    transparent
  );
  border-bottom: none;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin-inline: auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 18px;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.header-logo {
  display: block;
  height: 50px;
  width: auto;
  object-fit: contain;
}

.brand-pill {
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: linear-gradient(120deg, #7a4bff, #ff6ed2);
  font-size: 13px;
  font-weight: 600;
  color: #fff;
}

.brand-tag {
  font-size: 13px;
  color: var(--text-muted);
}

.nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px 24px;
  font-size: 15px;
}

.nav a {
  color: #7a7486;
  text-decoration: none;
  position: relative;
  padding-block: 2px;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #f6c94c, #ff9f5a);
  transition: width 0.18s ease-out;
}

.nav a:hover {
  color: var(--text-main);
}

.nav a:hover::after {
  width: 14px;
}

.nav-cta {
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(0, 0, 0, 0.06);
  color: #5b5269;
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ffffff;
  box-shadow: 0 10px 30px rgba(18, 9, 40, 0.06);
}

.nav-cta::after {
  content: "→";
  font-size: 13px;
}

.nav-cta:hover {
  border-color: rgba(0, 0, 0, 0.12);
  box-shadow: 0 14px 38px rgba(18, 9, 40, 0.12);
}

.hero {
  padding-top: 40px;
  padding-bottom: 72px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.1fr);
  align-items: center;
  gap: 40px;
}

.hero-left {
  max-width: 520px;
}

.hero-tagline {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.hero-tagline .hero-tag-main {
  display: block;
  color: #161119;
}

.hero-tagline .hero-tag-sub {
  display: block;
  margin-top: 6px;
  color: #36333f;
}

.text-gradient {
  /* 标题高亮紫粉渐变 */
  background: linear-gradient(120deg, #7a4bff, #ff6ed2);
  -webkit-background-clip: text;
  color: transparent;
}

.hero-subtitle {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 28px;
}

.btn {
  border-radius: var(--radius-pill);
  border: none;
  outline: none;
  padding: 11px 24px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform 0.15s ease-out, box-shadow 0.15s ease-out, background 0.15s ease-out,
    border-color 0.15s ease-out, color 0.15s ease-out;
}

.btn-primary {
  /* 黑底白字主按钮 */
  background: #15141a;
  color: #ffffff;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
  text-decoration: none;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 24px 60px rgba(246, 201, 76, 0.5);
}

.btn-secondary {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.06);
  color: #4b3f5f;
}

.btn-secondary:hover {
  background: rgba(34, 22, 70, 0.96);
}

.btn-icon {
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 20%, #ffe7a0, #ff9f5a);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: #301500;
  box-shadow: 0 0 0 3px rgba(246, 201, 76, 0.18);
}

.hero-metas {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 30px;
}

.meta-item {
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.06), transparent 60%);
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
}

.meta-number {
  font-size: 16px;
  font-weight: 600;
}

.meta-label {
  font-size: 11px;
  color: var(--text-muted);
}

.hero-right {
  display: flex;
  justify-content: flex-end;
}

.hero-device {
  position: relative;
  border-radius: 0;
  background: transparent;
  padding: 0;
  box-shadow: none;
  overflow: visible;
  max-width: 560px;
}

.hero-light {
  display: none;
}

.hero-image {
  position: relative;
  width: 100%;
  border-radius: 0;
  display: block;
  box-shadow: none;
}

.hero-chip {
  display: none;
}

.hero-chip-top {
  top: 18px;
}

.hero-chip-bottom {
  bottom: 18px;
}

.hero-chip::before {
  content: "";
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 20%, #6df5ff, #347dff);
  opacity: 0.8;
}

.spacer-section {
  height: 1px;
}

.section {
  padding-block: 56px;
}

/* 第二块：核心功能区域样式 */
#features {
  background: var(--section-gradient);
}

.section-alt {
  padding-block: 60px;
}

/* 第三、四部分整图区域 */
/* 第五部分：为何它如此富有“生命感” */
.section-why {
  background: var(--section-gradient);
}

/* 第六部分：选择你的角色 */
.section-roles {
  background: var(--section-gradient);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.section-roles .section-head h2 {
  color: #3b3360;
  font-size: 36px;
  margin-bottom: 10px;
}

.section-roles .section-head p {
  color: #786f90;
  font-size: 16px;
}

/* 时间轴展示容器 */
.timeline-showcase {
  margin-top: 60px;
  position: relative;
  overflow-x: auto;
  overflow-y: visible;
  padding: 40px 0 60px;
  -webkit-overflow-scrolling: touch;
}

.timeline-showcase::-webkit-scrollbar {
  height: 8px;
}

.timeline-showcase::-webkit-scrollbar-track {
  background: rgba(183, 142, 215, 0.1);
  border-radius: 4px;
}

.timeline-showcase::-webkit-scrollbar-thumb {
  background: rgba(183, 142, 215, 0.3);
  border-radius: 4px;
}

.timeline-showcase::-webkit-scrollbar-thumb:hover {
  background: rgba(183, 142, 215, 0.5);
}

.timeline-track {
  display: flex;
  gap: 0;
  min-width: max-content;
  position: relative;
}

/* 时间轴项目 */
.timeline-item {
  flex: 0 0 auto;
  width: 230px;
  position: relative;
  transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.timeline-item:hover {
  width: 550px;
  z-index: 10;
}

/* 产品图片容器 */
.timeline-product {
  width: 230px;
  height: 280px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(250, 240, 255, 0.8));
  border-radius: 12px;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: visible;
  transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 10px 30px rgba(183, 142, 215, 0.2); 
}

.timeline-item:hover .timeline-product {
  background: transparent;
  box-shadow: none;
  border-radius: 0;
}

.timeline-product img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  filter: drop-shadow(0 10px 20px rgba(183, 142, 215, 0.3));
}

.timeline-item:hover .timeline-product img {
  transform: scale(1.2);
  filter: drop-shadow(0 20px 40px rgba(183, 142, 215, 0.5));
}

/* 年份标签 */
.timeline-year {
  text-align: center;
  font-size: 24px;
  font-weight: 300;
  color: #9b92ad;
  margin-top: 20px;
  transition: all 0.3s ease;
}

.timeline-item:hover .timeline-year {
  color: #ff6ed2;
}

/* 信息卡片（抽屉效果） */
.timeline-info {
  position: absolute;
  top: 0;
  left: 100px;
  width: 450px;
  height: 280px;
  background: linear-gradient(135deg, #ffd700, #ffed4e);
  color: #000;
  padding: 30px 30px 30px 150px;
  border-radius: 12px;
  opacity: 0;
  transform: translateX(100px);
  pointer-events: none;
  transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 20px 60px rgba(183, 142, 215, 0.4);
  display: flex;
  flex-direction: column;
  justify-content: center;
  z-index: -1;
}

.timeline-item:hover .timeline-info {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

/* 反向抽屉效果（右侧产品向左展开） */
.timeline-item-reverse .timeline-info {
  left: auto;
  right: 500px;
  padding: 30px 80px 30px 30px;
  transform: translateX(-100px);
}

.timeline-item-reverse:hover {
  width: 950px;
}

.timeline-item-reverse:hover .timeline-info {
  transform: translateX(0);
}

.timeline-info h3 {
  font-size: 28px;
  font-weight: 100;
  margin: 0 0 15px 0;
  color: #000;
}

.timeline-info p {
  font-size: 15px;
  line-height: 1.8;
  margin: 0;
  color: #333;
}

/* 响应式调整 */
@media (max-width: 1200px) {
  .timeline-item:hover {
    width: 550px;
  }
  
  .timeline-info {
    left: 180px;
    width: 370px;
    padding: 25px 25px 25px 70px;
  }
  
  .timeline-item-reverse .timeline-info {
    left: auto;
    right: 180px;
    padding: 25px 70px 25px 25px;
  }
}

@media (max-width: 900px) {
  .timeline-item {
    width: 200px;
  }
  
  .timeline-item:hover {
    width: 480px;
  }
  
  .timeline-product {
    width: 200px;
    height: 220px;
  }
  
  .timeline-info {
    left: 150px;
    width: 330px;
    height: 220px;
    padding: 20px 20px 20px 60px;
  }
  
  .timeline-item-reverse .timeline-info {
    left: auto;
    right: 150px;
    padding: 20px 60px 20px 20px;
  }
  
  .timeline-year {
    font-size: 20px;
  }
  
  .timeline-info h3 {
    font-size: 22px;
  }
  
  .timeline-info p {
    font-size: 14px;
  }
}

@media (max-width: 600px) {
  .timeline-item {
    width: 160px;
  }
  
  .timeline-item:hover {
    width: 400px;
  }
  
  .timeline-product {
    width: 160px;
    height: 180px;
    padding: 15px;
  }
  
  .timeline-info {
    left: 120px;
    width: 280px;
    height: 180px;
    padding: 15px 15px 15px 50px;
  }
  
  .timeline-item-reverse .timeline-info {
    left: auto;
    right: 120px;
    padding: 15px 50px 15px 15px;
  }
  
  .timeline-year {
    font-size: 18px;
  }
  
  .timeline-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
  }
  
  .timeline-info p {
    font-size: 12px;
    line-height: 1.6;
  }
}

/* 第七部分：多元产品系列矩阵 */
.section-series {
  background: var(--section-gradient);
}

.series-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-top: 12px;
}

.series-item {
  /* 让每个系列块之间有更清晰的分隔 */
  padding-block: 4px;
}

.series-image {
  width: 100%;
  max-width: 1040px;
  margin-inline: auto;
  display: block;
}

.series-title {
  margin-bottom: 8px;
  text-align: center;
  font-size: 18px;
  font-weight: 600;
  color: #3b3360;
}

.roles-banner {
  margin-top: 20px;
  position: relative;
}

.roles-image {
  width: 100%;
  max-width: 600px;
  margin-inline: auto;
  display: block;
  border-radius: 0;
  box-shadow: none;
}

.roles-subline {
  max-width: 960px;
  margin: 0 auto 18px;
  padding: 10px 20px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 14px 40px rgba(183, 142, 215, 0.32);
  font-size: 13px;
  color: #786f90;
  text-align: center;
}

.roles-subline-highlight {
  background: linear-gradient(120deg, #ff6ed2, #7a4bff);
  -webkit-background-clip: text;
  color: transparent;
  font-weight: 600;
}


.why-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.why-card {
  background: #ffffff;
  border-radius: 18px;
  box-shadow: 0 14px 36px rgba(195, 154, 214, 0.18);
  /* 作为图片蒙版，确保圆角作用在图片上 */
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 210px;
  padding: 18px 18px 18px;
}

.why-card-large {
  /* 与其他卡片同宽，只作为语义标记 */
}

.why-media {
  position: absolute;
  right: 0px;
  bottom: 0px;
  width: 34%;
  max-width: 180px;
}

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

/* 第一张卡片特殊布局：图在左下，字在右上 */
.why-card-primary {
  padding: 20px 22px 20px;
}

.why-card-primary .why-media {
  left: 0px;
  right: auto;
  bottom: 0px;
  width: 38%;
}

.why-card-primary .why-content {
  margin-left: auto;
  max-width: 52%;
}

/* 第二张卡片：有灵魂的对话者，图在左下，右上对话框动画 */
.why-card-dialog {
  padding: 20px 22px 20px;
}

.why-card-dialog .why-media {
  left: 20px;
  right: auto;
  bottom: 10px;
  width: 42%;
}

.why-card-dialog .why-content {
  margin-left: auto;
  max-width: 54%;
  /* 让对话气泡相对整张卡片定位，而不是内容盒子 */
  position: static;
}

.why-bubbles {
  position: absolute;
  right: 6px;
  top: 62%;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.why-bubble {
  padding: 6px 10px;
  border-radius: 16px;
  background: linear-gradient(135deg, #6dd7ff, #7a6dff);
  box-shadow: 0 6px 20px rgba(122, 109, 255, 0.4);
  font-size: 11px;
  color: #ffffff;
  white-space: nowrap;
}

.why-bubble-hello {
  align-self: flex-end;
  animation: bubbleFloat 3.6s ease-in-out infinite;
}

.why-bubble-miss {
  align-self: flex-start;
  animation: bubbleFloat 3.6s ease-in-out infinite;
  animation-delay: 1.2s;
}

@keyframes bubbleFloat {
  0% {
    transform: translateY(6px);
    opacity: 0;
  }
  15% {
    transform: translateY(0);
    opacity: 1;
  }
  70% {
    transform: translateY(-4px);
    opacity: 1;
  }
  100% {
    transform: translateY(-6px);
    opacity: 0;
  }
}

.why-content h3 {
  margin: 0 0 4px;
  font-size: 18px;
  font-weight: 600;
}

.why-content p {
  margin: 0;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

@media (max-width: 900px) {
  .why-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .why-card-large {
    grid-column: auto;
  }
}

.section-head {
  text-align: center;
  margin-bottom: 32px;
}

.section-head-left {
  text-align: left;
}

.section-head h2 {
  margin: 0;
  font-size: 24px;
}

.section-head p {
  margin-top: 10px;
  font-size: 14px;
  color: var(--text-muted);
}

.grid {
  display: grid;
  gap: 20px;
}

.section-hidden {
  opacity: 0;
  transform: translateY(24px) scale(0.98);
  transition: opacity 0.6s cubic-bezier(0.19, 1, 0.22, 1),
    transform 0.6s cubic-bezier(0.19, 1, 0.22, 1);
}

.section-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.features-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  row-gap: 24px;
}

.feature-card {
  padding: 22px 22px 24px;
  border-radius: 24px;
  /* 毛玻璃效果卡片 */
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 18px 45px rgba(197, 150, 216, 0.22);
  backdrop-filter: blur(18px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transform: translateY(0);
  transition: transform 0.22s ease-out, box-shadow 0.22s ease-out;
}

/* 底部大卡片：宽度 = 两张普通卡片 */
.feature-card-wide {
  grid-column: span 3;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: relative;
  overflow: hidden;
  height: 200px;
  min-height: 200px;
}

.feature-card-wide::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(255, 199, 255, 0.45), transparent 55%),
    radial-gradient(circle at bottom right, rgba(184, 211, 255, 0.5), transparent 55%);
  pointer-events: none;
  mix-blend-mode: screen;
}

.feature-wide-text {
  max-width: 60%;
  position: relative;
  z-index: 1;
}

.feature-wide-visual {
  flex: 1;
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  overflow: visible;
}

.feature-wide-image {
  max-width: 480px;
  width: 100%;
  height: auto;
  display: block;
  position: relative;
  right: 100px;
  transform: scale(1.2);
}

@media (max-width: 900px) {
  .features-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .feature-card-wide {
    grid-column: auto;
    flex-direction: column;
    align-items: flex-start;
  }

  .feature-wide-text {
    max-width: 100%;
  }
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 55px rgba(197, 150, 216, 0.36);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 0;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  overflow: visible;
}

.feature-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.feature-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
}

.section-alt {
  background: var(--section-gradient);
}

.highlights-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.highlight-card {
  padding: 20px 20px 22px;
  border-radius: var(--radius-lg);
  background: var(--card-alt-bg);
  border: 1px solid var(--border-subtle);
  transition: transform 0.22s ease-out, box-shadow 0.22s ease-out, border-color 0.22s ease-out;
}

.highlight-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(186, 146, 218, 0.35);
  border-color: rgba(186, 146, 218, 0.55);
}

.highlight-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.highlight-card p {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

.testimonials-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.testimonial-card {
  padding: 20px 20px 22px;
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
  transition: transform 0.22s ease-out, box-shadow 0.22s ease-out, border-color 0.22s ease-out;
}

.testimonial-card::before {
  content: "“";
  position: absolute;
  font-size: 64px;
  color: rgba(255, 255, 255, 0.04);
  top: -16px;
  left: 14px;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(138, 115, 199, 0.4);
  border-color: rgba(138, 115, 199, 0.6);
}

.testimonial-text {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-main);
}

.testimonial-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
}

.testimonial-meta .name {
  color: #f6e6ff;
}

.testimonial-meta .tag {
  color: var(--text-muted);
}

.faq-inner {
  max-width: 720px;
  margin-inline: auto;
}

.faq-list {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-list details {
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.8);
  padding: 18px 22px;
  backdrop-filter: blur(18px);
  box-shadow: 0 8px 32px rgba(197, 150, 216, 0.2);
  transition: box-shadow 0.2s ease-out, transform 0.2s ease-out;
}

.faq-list details:hover {
  box-shadow: 0 12px 40px rgba(197, 150, 216, 0.28);
  transform: translateY(-1px);
}

.faq-list details[open] {
  background: rgba(255, 255, 255, 0.85);
}

.faq-list summary {
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: #3b3360;
  padding-right: 24px;
  position: relative;
  line-height: 1.5;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(122, 109, 255, 0.12);
  color: #7a6dff;
  font-size: 18px;
  font-weight: 400;
  transition: transform 0.2s ease-out, background 0.2s ease-out;
}

.faq-list details[open] summary::after {
  content: "−";
  background: rgba(122, 109, 255, 0.2);
  transform: translateY(-50%) rotate(180deg);
}

.faq-list p {
  margin: 14px 0 0;
  font-size: 14px;
  color: #6b5f8a;
  line-height: 1.75;
  padding-right: 24px;
}

.faq-cta-card {
  padding: 20px 20px 22px;
  border-radius: var(--radius-lg);
  background: rgba(9, 4, 22, 0.96);
  border: 1px solid rgba(246, 201, 76, 0.5);
  box-shadow: var(--shadow-glow);
}

.faq-cta-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.faq-cta-card p {
  margin: 0 0 14px;
  font-size: 13px;
  color: var(--text-muted);
}

.faq-cta-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

.tip {
  font-size: 12px;
  color: rgba(245, 239, 214, 0.9);
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-block: 20px 26px;
  background: rgba(5, 2, 16, 0.96);
}

.site-footer-dark {
  background: #1a1528;
  border-top: none;
  padding-block: 48px 24px;
  color: #e8e4f0;
  position: relative;
}

.site-footer-dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 20px;
}

.footer-col h4 {
  margin: 0 0 14px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
}

.footer-col a:hover {
  color: #fff;
}

.footer-logo {
  font-size: 20px;
  font-weight: 700;
  color: #7a6dff;
  margin-bottom: 12px;
}

.footer-logo span {
  color: #fff;
  margin-left: 4px;
}

.footer-slogan {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.75);
  margin: 0 0 16px;
  max-width: 280px;
}

.footer-social a {
  display: inline-block;
  margin-right: 12px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
}

.footer-social-link {
  border: none;
  background: rgba(36, 27, 70, 0.9);
  color: rgba(255, 255, 255, 0.9);
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
  margin-right: 10px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: background 0.18s ease-out, transform 0.18s ease-out, box-shadow 0.18s ease-out;
}

.footer-social-link:hover {
  background: rgba(82, 71, 140, 1);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

.footer-contact li {
  color: rgba(255, 255, 255, 0.85);
  font-size: 13px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  margin: 0 6px;
}

.footer-sep {
  color: rgba(255, 255, 255, 0.35);
}

.footer-back-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.95);
  color: #1a1528;
  font-size: 18px;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  z-index: 30;
  display: none;
  align-items: center;
  justify-content: center;
  transform: translateY(12px);
  opacity: 0;
  transition: opacity 0.25s ease-out, transform 0.25s ease-out;
}

.footer-back-top:hover {
  background: #fff;
}

.footer-back-top.is-visible {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

.footer-brand {
  color: #f0e7ff;
}

/* 二维码弹窗 */
.qrcode-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(7, 3, 24, 0.76);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 40;
}

.qrcode-modal-backdrop.is-active {
  display: flex;
}

.qrcode-modal {
  background: #120c28;
  border-radius: 20px;
  padding: 20px 22px 22px;
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.12);
  max-width: 360px;
  width: 100%;
  position: relative;
  transform: translateY(10px) scale(0.96);
  opacity: 0;
  transition: opacity 0.28s ease-out, transform 0.28s ease-out;
}

.qrcode-modal-backdrop.is-active .qrcode-modal {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.qrcode-modal-title {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  text-align: center;
}

.qrcode-modal-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.qrcode-image {
  width: 220px;
  max-width: 70vw;
  border-radius: 12px;
  background: #fff;
  padding: 8px;
}

.qrcode-modal-close {
  position: absolute;
  right: 10px;
  top: 10px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qrcode-modal-close:hover {
  background: rgba(255, 255, 255, 0.22);
}

/* ========== AI 功能场景展示 ========== */
.section-scenarios {
  background: var(--section-gradient);
  padding: 80px 0;
}

.scenarios-list {
  margin-top: 60px;
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.scenario-item {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 60px;
  align-items: center;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s cubic-bezier(0.19, 1, 0.22, 1),
              transform 0.8s cubic-bezier(0.19, 1, 0.22, 1);
}

.scenario-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.scenario-image {
  width: 100%;
  height: 400px;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(183, 142, 215, 0.3);
  position: relative;
  cursor: pointer;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.4s ease;
}

.scenario-image:hover {
  transform: scale(1.03) translateY(-5px);
  box-shadow: 0 30px 80px rgba(183, 142, 215, 0.5);
}

.scenario-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.scenario-image:hover img {
  transform: scale(1.08);
}

.scenario-content {
  padding: 20px 0;
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.8s cubic-bezier(0.19, 1, 0.22, 1) 0.2s,
              transform 0.8s cubic-bezier(0.19, 1, 0.22, 1) 0.2s;
}

.scenario-item.is-visible .scenario-content {
  opacity: 1;
  transform: translateX(0);
}

.scenario-content h3 {
  font-size: 24px;
  font-weight: 700;
  color: #3b3360;
  margin: 0 0 16px;
  line-height: 1.3;
  position: relative;
  display: inline-block;
}

.scenario-content h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, #7a4bff, #ff6ed2);
  border-radius: 999px;
  transition: width 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.scenario-item.is-visible .scenario-content h3::after {
  width: 60px;
}

.scenario-content p {
  font-size: 14px;
  line-height: 1.8;
  color: #5a5070;
  margin: 0;
}

/* 反向布局：图片在右，文字在左 */
.scenario-item-reverse {
  grid-template-columns: 1fr 3fr;
}

.scenario-item-reverse .scenario-image {
  order: 2;
}

.scenario-item-reverse .scenario-content {
  order: 1;
  transform: translateX(30px);
}

.scenario-item-reverse.is-visible .scenario-content {
  transform: translateX(0);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .scenario-item,
  .scenario-item-reverse {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .scenario-item-reverse .scenario-image {
    order: 1;
  }

  .scenario-item-reverse .scenario-content {
    order: 2;
  }

  .scenario-image {
    height: 300px;
  }

  .scenario-content h3 {
    font-size: 24px;
  }

  .scenario-content p {
    font-size: 15px;
  }
}

/* ========== Banner：好梦，不止在夜晚 ========== */
.section-banner {
  padding: 0;
  margin: 0;
  background:linear-gradient(to bottom, rgba(9, 30, 61, 1),rgba(33, 65, 122, 1),rgba(213, 192, 212, 1));
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.banner-image {
  width: 100%;
  max-width: 1120px;
  height: auto;
  display: block;
  object-fit: contain;
}

/* ========== 第八部分：企业全链路 AI 智造 ========== */
.section-enterprise {
  background: #1a1528;
  color: #e8e4f0;
  padding-block: 64px 72px;
  position: relative;
}

.section-enterprise::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
}

.section-enterprise .container {
  position: relative;
  z-index: 1;
}

.enterprise-badge {
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: #ff6ed2;
  margin: 0 0 12px;
}

.enterprise-title {
  text-align: center;
  font-size: 32px;
  font-weight: 700;
  margin: 0 0 16px;
  color: #fff;
}

.enterprise-title-highlight {
  background: linear-gradient(120deg, #6dd7ff, #7a6dff);
  -webkit-background-clip: text;
  color: transparent;
}

.enterprise-subtitle {
  text-align: center;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.enterprise-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 48px;
}

.enterprise-card {
  background: rgba(40, 32, 72, 0.8);
  border-radius: 20px;
  padding: 24px 20px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
}

.enterprise-card-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  font-size: 24px;
  color: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
}

.enterprise-card h3 {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
}

.enterprise-card p {
  margin: 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.65;
}

.enterprise-process {
  background: rgba(40, 32, 72, 0.6);
  border-radius: 24px;
  padding: 36px 32px 40px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.enterprise-process-title {
  text-align: center;
  font-size: 20px;
  font-weight: 600;
  color: #fff;
  margin: 0 0 8px;
}

.enterprise-process-sub {
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin: 0 0 32px;
}

.enterprise-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  margin-bottom: 28px;
}

.enterprise-step {
  text-align: center;
}

.enterprise-step-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ff6ed2, #7a6dff);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.enterprise-step h4 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
}

.enterprise-step p {
  margin: 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

.btn-enterprise-cta {
  display: block;
  width: fit-content;
  margin: 0 auto;
  padding: 14px 32px;
  border-radius: 999px;
  background: linear-gradient(120deg, #ff6ed2, #7a6dff);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 28px rgba(122, 109, 255, 0.4);
}

.btn-enterprise-cta:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

@media (max-width: 900px) {
  .header-inner {
    justify-content: space-between;
  }

  .nav {
    display: none;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-right {
    order: -1;
    justify-content: center;
  }

  .hero {
    padding-top: 28px;
  }

  .hero-tagline {
    font-size: 28px;
  }

  .hero-device {
    max-width: 360px;
  }

  .features-grid,
  .highlights-grid,
  .testimonials-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .faq-inner {
    max-width: 100%;
  }

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

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

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

@media (max-width: 600px) {
  .container {
    width: calc(100% - 24px);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .hero-metas {
    gap: 10px;
  }

  .meta-item {
    padding-inline: 12px;
  }

  .enterprise-cards {
    grid-template-columns: minmax(0, 1fr);
  }

  .enterprise-steps {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}