body.page-landing {
  background:
    radial-gradient(circle at top left, rgba(26, 117, 255, 0.12) 0%, rgba(26, 117, 255, 0) 36%),
    radial-gradient(circle at 90% 4%, rgba(27, 201, 177, 0.14) 0%, rgba(27, 201, 177, 0) 32%),
    linear-gradient(180deg, #f6f9ff 0%, #f7fbff 24%, #f7f9fc 100%);
}

/* 醒目的高亮按钮 - 超级信息聚合中枢 */
.btn-highlight {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 28px;
  min-height: 52px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 800;
  text-decoration: none;
  color: #fff;
  background: linear-gradient(135deg, #ff6b35 0%, #ff4081 100%);
  box-shadow: 0 16px 34px rgba(255, 64, 129, 0.4);
  transition: all 0.3s ease;
  animation: highlight-pulse 2s ease-in-out infinite;
}

.btn-highlight:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 24px 48px rgba(255, 64, 129, 0.5);
  animation: none;
}

.btn-highlight i {
  font-size: 18px;
}

@keyframes highlight-pulse {
  0%, 100% {
    box-shadow: 0 16px 34px rgba(255, 64, 129, 0.4);
  }
  50% {
    box-shadow: 0 20px 42px rgba(255, 64, 129, 0.55);
  }
}

/* 心理服务专题按钮加强 */
.hero .btn-secondary[href*="psychology"] {
  background: linear-gradient(135deg, #a855f7 0%, #6366f1 100%);
  color: #fff;
  border: none;
  box-shadow: 0 16px 34px rgba(168, 85, 247, 0.35);
}

.hero .btn-secondary[href*="psychology"]:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 48px rgba(168, 85, 247, 0.5);
}

.hero .btn-secondary[href*="psychology"] i {
  color: #fdcbf1;
}

.page-landing .section-title,
.page-landing .hero-title {
  letter-spacing: 0;
}

.hero {
  position: relative;
  padding: 56px 0 72px;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
  filter: blur(70px);
  opacity: 0.7;
}

.hero::before {
  top: 20px;
  left: -80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(29, 113, 242, 0.18);
}

.hero::after {
  right: -100px;
  bottom: -70px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(32, 180, 197, 0.18);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(420px, 0.97fr);
  gap: 40px;
  align-items: center;
}

.hero-copy {
  display: grid;
  gap: 22px;
}

.hero-title {
  margin: 0;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.04;
  color: var(--text-strong);
  font-weight: 900;
  text-wrap: balance;
}

.hero-title .accent {
  color: transparent;
  background: linear-gradient(135deg, #145de8 0%, #14bfd3 52%, #28b98e 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-desc {
  margin: 0;
  max-width: 640px;
  font-size: 18px;
  line-height: 1.9;
  color: var(--text-secondary);
}

.hero-note {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.hero-note .card {
  padding: 18px 18px 16px;
}

.hero-note h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--text-strong);
}

.hero-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.hero-visual {
  position: relative;
  display: grid;
  gap: 18px;
}

.hero-panel {
  position: relative;
  padding: 28px;
  border-radius: 34px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(241, 247, 255, 0.92) 100%);
  border: 1px solid rgba(19, 34, 56, 0.08);
  box-shadow: var(--shadow-lg);
}

.ecosystem-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  margin-bottom: 22px;
}

.ecosystem-head h2 {
  margin: 0 0 8px;
  font-size: 26px;
  line-height: 1.15;
  color: var(--text-strong);
}

.ecosystem-head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-secondary);
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-pills span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(21, 93, 232, 0.08);
  color: #145de8;
  font-size: 13px;
  font-weight: 700;
}

.web-card {
  padding: 22px;
  border-radius: 26px;
  background: linear-gradient(180deg, #0f1f36 0%, #172b47 100%);
  color: rgba(255, 255, 255, 0.92);
  overflow: hidden;
}

.web-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.window-dots {
  display: flex;
  gap: 8px;
}

.window-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
}

.web-card h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.25;
}

.web-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.web-links li {
  padding: 12px 12px 13px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 14px;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.9);
}

.device-lane {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  align-items: end;
}

.device-lane .phone-frame:nth-child(1) {
  transform: translateY(24px) rotate(-6deg);
}

.device-lane .phone-frame:nth-child(2) {
  transform: rotate(-1.5deg);
}

.device-lane .phone-frame:nth-child(3) {
  transform: translateY(12px) rotate(5deg);
}

/* 产品界面预览 - 悬停放大效果 */
.device-lane .img-zoomable {
  transition: transform 0.3s ease, z-index 0s;
  cursor: pointer;
}

.device-lane .img-zoomable:hover {
  z-index: 5;
}

.device-lane .img-zoomable:nth-child(1):hover {
  transform: translateY(24px) rotate(-6deg) scale(1.12);
}

.device-lane .img-zoomable:nth-child(2):hover {
  transform: rotate(-1.5deg) scale(1.12);
}

.device-lane .img-zoomable:nth-child(3):hover {
  transform: translateY(12px) rotate(5deg) scale(1.12);
}

.device-lane .img-zoomable img {
  transition: box-shadow 0.3s ease;
}

.device-lane .img-zoomable:hover img {
  box-shadow: 0 16px 40px rgba(15, 31, 54, 0.25);
}

/* 图片点击放大模态框 */
.img-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(8px);
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.img-modal.active {
  display: flex;
}

.img-modal img {
  max-width: 100%;
  max-height: 90vh;
  border-radius: 20px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  object-fit: contain;
}

.img-modal .modal-close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.img-modal .modal-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.stat-strip {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.stat-card {
  padding: 18px 18px 16px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(19, 34, 56, 0.06);
  box-shadow: 0 16px 42px rgba(26, 49, 84, 0.08);
}

.stat-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 30px;
  line-height: 1;
  color: #0f56d9;
}

.stat-card span {
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-secondary);
}

.project-focus-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.project-focus-card {
  position: relative;
  overflow: hidden;
  padding: 20px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(241, 247, 255, 0.92) 100%);
  border: 1px solid rgba(19, 34, 56, 0.08);
  box-shadow: var(--shadow-sm);
}

.project-focus-card::after {
  content: "";
  position: absolute;
  inset: auto -30px -50px auto;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(20, 93, 232, 0.1);
}

.project-focus-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 12px;
  border-radius: 14px;
  background: #145de8;
  color: #fff;
  font-size: 14px;
  font-weight: 900;
}

.project-focus-card strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text-strong);
  font-size: 18px;
}

.project-focus-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.65;
}

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

.value-card {
  padding: 26px;
  display: grid;
  gap: 18px;
}

.value-card h3,
.feature-card h3,
.scene-card h3,
.arch-card h3,
.team-card h3,
.info-card h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.25;
  color: var(--text-strong);
}

.value-card p,
.feature-card p,
.scene-card p,
.arch-card p,
.team-card p,
.info-card p,
.faq-answer p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.value-icon,
.feature-icon,
.scene-icon,
.arch-icon,
.team-avatar {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, #1d71f2 0%, #14bfd3 100%);
  box-shadow: 0 14px 30px rgba(22, 101, 235, 0.24);
}

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card {
  padding: 24px;
  display: grid;
  gap: 16px;
}

.feature-icon.alt-amber {
  background: linear-gradient(135deg, #ffb446 0%, #ff8a3d 100%);
}

.feature-icon.alt-green {
  background: linear-gradient(135deg, #28b98e 0%, #1f9b77 100%);
}

.feature-icon.alt-indigo {
  background: linear-gradient(135deg, #635bff 0%, #3b64f4 100%);
}

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

.scene-card {
  padding: 28px;
  display: grid;
  gap: 18px;
}

.scene-card ul {
  display: grid;
  gap: 12px;
}

.scene-card li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 12px;
  align-items: start;
}

.scene-card strong {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
  color: var(--text-strong);
}

.architecture {
  position: relative;
}

.architecture::before {
  content: "";
  position: absolute;
  inset: 90px 0 auto;
  height: 1px;
  background: linear-gradient(90deg, rgba(19, 34, 56, 0) 0%, rgba(19, 34, 56, 0.12) 12%, rgba(19, 34, 56, 0.12) 88%, rgba(19, 34, 56, 0) 100%);
}

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

.arch-card {
  padding: 28px;
  display: grid;
  gap: 16px;
}

.arch-list {
  display: grid;
  gap: 10px;
}

.arch-list li {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(15, 95, 232, 0.06);
  border: 1px solid rgba(15, 95, 232, 0.08);
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-primary);
}

.media-stage {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 26px;
  align-items: center;
}

.media-mosaic {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.media-mosaic .phone-frame:nth-child(1) {
  grid-column: span 2;
}

.media-mosaic .phone-frame:nth-child(2),
.media-mosaic .phone-frame:nth-child(3),
.media-mosaic .phone-frame:nth-child(4) {
  grid-column: span 1;
}

.media-copy {
  display: grid;
  gap: 18px;
}

.media-copy ul {
  display: grid;
  gap: 12px;
}

.media-copy li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 12px;
  align-items: start;
}

.team-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.field-showcase {
  padding-top: 48px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(238, 246, 255, 0.68) 100%);
}

.field-marquee {
  width: 100%;
  overflow: hidden;
  padding: 4px 0 18px;
}

.field-track {
  display: flex;
  gap: 18px;
  width: max-content;
  animation: field-scroll 46s linear infinite;
}

.field-marquee:hover .field-track {
  animation-play-state: paused;
}

.field-card {
  position: relative;
  flex: 0 0 clamp(280px, 30vw, 430px);
  aspect-ratio: 4 / 3;
  margin: 0;
  overflow: hidden;
  border-radius: 24px;
  background: #fff;
  border: 1px solid rgba(19, 34, 56, 0.08);
  box-shadow: var(--shadow-md);
}

.field-card img,
.business-photo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #fff;
}

.field-card figcaption,
.business-photo figcaption {
  position: absolute;
  left: 14px;
  bottom: 14px;
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 999px;
  color: #fff;
  background: rgba(15, 31, 54, 0.76);
  backdrop-filter: blur(12px);
  font-size: 13px;
  font-weight: 800;
}

@keyframes field-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(calc(-50% - 9px));
  }
}

.business-stage {
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, 0.82fr);
}

.business-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-rows: minmax(180px, auto);
  gap: 16px;
}

.business-photo {
  position: relative;
  min-height: 210px;
  margin: 0;
  overflow: hidden;
  border-radius: 24px;
  background: #fff;
  border: 1px solid rgba(19, 34, 56, 0.08);
  box-shadow: var(--shadow-md);
}

.business-photo-large {
  grid-column: span 2;
  aspect-ratio: 3 / 2;
}

.business-photo:not(.business-photo-large) {
  aspect-ratio: 4 / 3;
}

/* 平台界面合集 - 网格布局 */
.platform-gallery {
  position: relative;
  margin: 0;
  overflow: visible;
  background: transparent;
  border: none;
  box-shadow: none;
  border-radius: 0;
  grid-column: span 2;
  padding: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(241, 247, 255, 0.92) 100%);
  border: 1px solid rgba(19, 34, 56, 0.08);
  border-radius: 24px;
}

.platform-imgs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 12px;
}

.platform-imgs img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid rgba(19, 34, 56, 0.08);
  background: #fff;
  transition: transform 0.3s ease, box-shadow 0.3s ease, z-index 0s;
  cursor: pointer;
}

.platform-imgs img:hover {
  transform: scale(1.15);
  box-shadow: 0 20px 50px rgba(15, 31, 54, 0.25);
  z-index: 10;
  position: relative;
}

.platform-gallery figcaption {
  position: static;
  margin-top: 14px;
  padding: 0;
  background: transparent;
  backdrop-filter: none;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 700;
  text-align: center;
}

.study-module {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(236, 246, 255, 0.72) 100%);
}

.study-app-shell {
  padding: 24px;
  border-radius: 30px;
  background: #fafafa;
  border: 1px solid rgba(19, 34, 56, 0.08);
  box-shadow: var(--shadow-md);
}

.study-alert {
  width: fit-content;
  max-width: 100%;
  margin: 0 auto 24px;
  padding: 12px 18px;
  border-radius: 14px;
  background: #fff7ed;
  border: 1px solid rgba(245, 158, 11, 0.24);
  color: #c2410c;
  font-size: 15px;
  font-weight: 800;
  text-align: center;
  box-shadow: 0 10px 28px rgba(245, 158, 11, 0.1);
}

.study-category-block {
  margin-bottom: 26px;
}

.study-category-block:last-child {
  margin-bottom: 0;
}

.study-category-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  padding-left: 4px;
}

.study-category-title::before {
  content: "";
  width: 4px;
  height: 24px;
  border-radius: 2px;
  background: linear-gradient(180deg, #4a90e2, #6ba3e8);
}

.study-category-title i {
  font-size: 22px;
}

.study-category-title h3 {
  margin: 0;
  color: #1f2937;
  font-size: 20px;
  font-weight: 800;
}

.study-category-title span {
  min-height: 24px;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  background: #e5e7eb;
  color: #6b7280;
  font-size: 12px;
  font-weight: 800;
}

.study-category-title .study-count-hot {
  background: #fff1f2;
  color: #ef4444;
}

.study-app-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.study-app-grid.compact {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.study-grid-item {
  position: relative;
  display: grid;
  justify-items: center;
  align-content: start;
  min-height: 150px;
  padding: 22px 14px 18px;
  border-radius: 16px;
  background: #fff;
  color: inherit;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
  transition: transform 260ms ease, box-shadow 260ms ease;
}

.study-grid-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(74, 144, 226, 0.12);
}

.study-icon-wrapper {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  border-radius: 20px;
  background: rgba(74, 144, 226, 0.05);
  transition: background 260ms ease;
}

.study-grid-item:hover .study-icon-wrapper {
  background: rgba(74, 144, 226, 0.1);
}

.study-icon-wrapper i {
  font-size: 32px;
  font-weight: 700;
}

.study-grid-item p {
  margin: 12px 0 0;
  color: #374151;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.35;
  text-align: center;
}

.study-grid-item small {
  color: #6b7280;
  font-size: 12px;
  font-weight: 700;
}

.new-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  z-index: 1;
  padding: 2px 7px;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, #ff6b6b, #ee5a5a);
  font-size: 10px;
  font-weight: 900;
  animation: study-pulse 2s infinite;
}

@keyframes study-pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.text-blue-500 { color: #3b82f6; }
.text-blue-400 { color: #60a5fa; }
.text-blue-600 { color: #2563eb; }
.text-green-500 { color: #22c55e; }
.text-green-600 { color: #16a34a; }
.text-red-400 { color: #f87171; }
.text-red-500 { color: #ef4444; }
.text-pink-400 { color: #f472b6; }
.text-pink-500 { color: #ec4899; }
.text-purple-500 { color: #a855f7; }
.text-indigo-500 { color: #6366f1; }
.text-yellow-500 { color: #eab308; }
.text-orange-500 { color: #f97316; }
.text-amber-600 { color: #d97706; }
.text-cyan-500 { color: #06b6d4; }
.text-teal-500 { color: #14b8a6; }

.study-access {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.study-access-card {
  padding: 24px;
  display: grid;
  grid-template-columns: 58px 1fr auto;
  gap: 18px;
  align-items: center;
}

.study-access-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  color: #fff;
  font-size: 24px;
  font-weight: 800;
  background: linear-gradient(135deg, #1d71f2 0%, #14bfd3 100%);
  box-shadow: 0 14px 28px rgba(22, 101, 235, 0.22);
}

.study-access-icon.alt {
  background: linear-gradient(135deg, #28b98e 0%, #1f9b77 100%);
}

.study-access-card h3,
.study-category h3 {
  margin: 0 0 8px;
  color: var(--text-strong);
  font-size: 21px;
}

.study-access-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
}

.study-category-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.study-category {
  padding: 24px;
}

.study-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.study-links a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(29, 113, 242, 0.08);
  border: 1px solid rgba(29, 113, 242, 0.1);
  color: #145de8;
  font-size: 14px;
  font-weight: 700;
}

.study-qr-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.study-qr {
  margin: 0;
  padding: 22px;
  display: grid;
  justify-items: center;
  gap: 12px;
}

.study-qr img {
  width: min(190px, 100%);
  aspect-ratio: 1;
  object-fit: contain;
  border-radius: 16px;
  border: 1px solid rgba(19, 34, 56, 0.08);
  background: #fff;
}

.study-qr figcaption {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 700;
}

.team-card {
  padding: 24px;
  display: grid;
  gap: 16px;
}

.team-avatar {
  border-radius: 20px;
  font-size: 22px;
}

.team-role {
  font-size: 13px;
  font-weight: 700;
  color: #145de8;
}

.team-name {
  margin: 0;
  font-size: 19px;
  color: var(--text-strong);
}

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

.info-card {
  padding: 28px;
  display: grid;
  gap: 16px;
}

.info-card ul {
  display: grid;
  gap: 10px;
}

.info-card li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 12px;
  align-items: start;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(19, 34, 56, 0.08);
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 24px;
  cursor: pointer;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-strong);
}

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

.faq-item summary::after {
  content: "+";
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(20, 93, 232, 0.08);
  color: #145de8;
  font-size: 22px;
  line-height: 1;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-answer {
  padding: 0 24px 22px;
}

.cta-band {
  padding: 34px;
  border-radius: 32px;
  background: linear-gradient(135deg, #0f56d9 0%, #17a6c8 100%);
  color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 26px 60px rgba(18, 89, 209, 0.24);
}

.cta-band h3 {
  margin: 0 0 10px;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.12;
}

.cta-band p {
  margin: 0 0 20px;
  max-width: 760px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
}

.cta-band .btn-secondary {
  background: rgba(255, 255, 255, 0.96);
  color: #1143b1;
  border-color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 1199px) {
  .hero-grid,
  .media-stage {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    max-width: 980px;
  }

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

  .study-access,
  .study-category-grid,
  .business-stage {
    grid-template-columns: 1fr;
  }

  .project-focus-grid,
  .study-app-grid,
  .study-app-grid.compact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .study-access-card {
    grid-template-columns: 58px 1fr;
  }

  .study-access-card .btn {
    grid-column: 1 / -1;
  }

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

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

@media (max-width: 959px) {
  .hero {
    padding-top: 36px;
  }

  .hero-grid {
    gap: 28px;
  }

  .hero-desc {
    font-size: 17px;
  }

  .hero-note,
  .value-grid,
  .feature-grid,
  .scene-grid,
  .arch-grid,
  .info-grid,
  .study-qr-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .device-lane,
  .media-mosaic {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .media-mosaic .phone-frame:nth-child(1),
  .media-mosaic .phone-frame:nth-child(2),
  .media-mosaic .phone-frame:nth-child(3),
  .media-mosaic .phone-frame:nth-child(4) {
    grid-column: span 1;
  }

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

  .business-photo-large {
    aspect-ratio: 16 / 10;
  }

  .architecture::before {
    display: none;
  }
}

@media (max-width: 639px) {
  /* 移动端禁用悬停放大效果 */
  .device-lane .img-zoomable:nth-child(1):hover,
  .device-lane .img-zoomable:nth-child(2):hover,
  .device-lane .img-zoomable:nth-child(3):hover {
    transform: none;
  }

  .device-lane .img-zoomable {
    cursor: default;
  }

  /* 移动端按钮调整 */
  .btn-highlight {
    padding: 0 20px;
    min-height: 48px;
    font-size: 15px;
    animation: none;
  }

  .hero-title {
    font-size: clamp(36px, 13vw, 54px);
  }

  .hero-desc {
    font-size: 16px;
    line-height: 1.8;
  }

  .hero-note,
  .stat-strip,
  .project-focus-grid,
  .value-grid,
  .feature-grid,
  .scene-grid,
  .arch-grid,
  .info-grid,
  .team-grid,
  .device-lane,
  .media-mosaic,
  .web-links,
  .study-qr-grid {
    grid-template-columns: 1fr;
  }

  .hero-panel,
  .cta-band,
  .value-card,
  .feature-card,
  .scene-card,
  .arch-card,
  .team-card,
  .info-card {
    padding: 22px;
  }

  .ecosystem-head {
    flex-direction: column;
  }

  .phone-frame::before {
    width: 96px;
  }

  .device-lane .phone-frame,
  .device-lane .phone-frame:nth-child(1),
  .device-lane .phone-frame:nth-child(2),
  .device-lane .phone-frame:nth-child(3) {
    transform: none;
  }

  .faq-item summary {
    padding: 18px 18px;
    font-size: 16px;
  }

  .faq-answer {
    padding: 0 18px 18px;
  }

  .field-track {
    gap: 12px;
    animation-duration: 34s;
  }

  .field-card {
    flex-basis: 78vw;
    border-radius: 20px;
  }

  .business-gallery,
  .business-photo-large {
    grid-template-columns: 1fr;
    grid-column: span 1;
  }

  .platform-gallery {
    grid-column: span 1;
    padding: 12px;
  }

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

  .platform-imgs img:hover {
    transform: scale(1.08);
  }

  .business-photo,
  .business-photo-large {
    aspect-ratio: 4 / 3;
  }

  .study-app-shell {
    padding: 16px;
  }

  .study-app-grid,
  .study-app-grid.compact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }

  .study-grid-item {
    min-height: 124px;
    padding: 14px 8px 12px;
  }

  .study-icon-wrapper {
    width: 54px;
    height: 54px;
    border-radius: 14px;
  }

  .study-icon-wrapper i {
    font-size: 22px;
  }

  .study-grid-item p {
    font-size: 13px;
  }

  .study-category-title h3 {
    font-size: 17px;
  }
}