/* ============================================
   主样式文件 - 整合所有样式 + 页面特定样式
   ============================================ */

/* 引入其他 CSS 文件 */
@import url('./variables.css');
@import url('./base.css');
@import url('./layout.css');
@import url('./components.css');
@import url('./animations.css');
@import url('./liquid-glass.css');
@import url('./brutalist-theme.css');

/* ============================================
   导航栏样式
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  padding: var(--space-lg) 0;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), background 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
  background: rgba(5, 10, 20, 0.4);
  backdrop-filter: blur(60px) saturate(200%);
  -webkit-backdrop-filter: blur(60px) saturate(200%);
  border-bottom: 2px solid rgba(255, 255, 255, 0.2);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.3),
    0 1px 0 rgba(255, 255, 255, 0.15) inset;
}

.navbar.scrolled {
  background: rgba(5, 10, 20, 0.5);
  backdrop-filter: blur(50px) saturate(200%);
  -webkit-backdrop-filter: blur(50px) saturate(200%);
  padding: var(--space-md) 0;
  border-bottom: 2px solid rgba(255, 255, 255, 0.25);
  box-shadow:
    0 8px 40px rgba(0, 0, 0, 0.35),
    0 1px 0 rgba(255, 255, 255, 0.2) inset;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.navbar-logo img {
  height: 40px;
  width: auto;
  transition: transform 0.3s ease;
}

.navbar-logo-img {
  height: 42px !important;
  width: auto;
  filter: drop-shadow(0 0 10px rgba(108, 99, 255, 0.3));
}

.navbar-logo:hover .navbar-logo-img {
  transform: scale(1.05);
  filter: drop-shadow(0 0 15px rgba(108, 99, 255, 0.5));
}

.navbar-logo-text {
  font-size: 1.375rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  letter-spacing: 0.05em;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.navbar-link {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  position: relative;
  padding: var(--space-sm) 0;
  transition: color var(--transition-fast);
  letter-spacing: var(--letter-spacing-wide);
}

.navbar-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.navbar-link:hover,
.navbar-link.active {
  color: var(--color-text);
}

.navbar-link:hover::after,
.navbar-link.active::after {
  width: 100%;
}

.navbar-cta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* 移动端菜单按钮 */
.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  align-items: center;
}

.navbar-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

/* ============================================
   Hero 首屏 - 不对称分屏布局
   ============================================ */

.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: 80px;
}

.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  text-align: left;
  max-width: 720px;
}

/* 文字区域渐变遮罩 */
.hero-content::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 20%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 500px;
  background: radial-gradient(
    ellipse at center,
    rgba(5, 13, 26, 0.6) 0%,
    rgba(5, 13, 26, 0.3) 40%,
    transparent 70%
  );
  z-index: -1;
  pointer-events: none;
  filter: blur(40px);
}



.hero-title {
  font-size: clamp(2.25rem, 4.2vw, 3.75rem);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text);
  line-height: 1.1;
  margin-bottom: var(--space-xl);
  letter-spacing: var(--letter-spacing-tight);
  text-shadow: 0 0 50px rgba(217, 119, 87, 0.1), 0 2px 8px rgba(0, 0, 0, 0.4);
  text-wrap: balance;
}

/* 主标题分行显示（清晰层次） */
.hero-title-line {
  display: block;
  line-height: 1.15;
  white-space: nowrap;
}

.hero-title-line + .hero-title-line {
  margin-top: 0.15em;
}

/* 高亮行：渐变文字 */
.hero-title-highlight {
  background: linear-gradient(135deg, #8b83ff 0%, #d97757 50%, #6a9bcc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  filter: drop-shadow(0 2px 12px rgba(217, 119, 87, 0.3));
  letter-spacing: 0.05em;
  font-weight: var(--font-weight-extrabold);
}

.hero-subtitle {
  font-size: clamp(1.0625rem, 1.3vw, 1.25rem);
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-lg);
  max-width: 560px;
  letter-spacing: var(--letter-spacing-cjk);
  font-weight: var(--font-weight-normal);
}

/* 服务关键词标签云（SEO + 美观） */
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
  padding: 0;
  list-style: none;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 100px;
  letter-spacing: 0.05em;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.hero-tag:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
  transform: translateY(-1px);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

/* Hero 右侧视觉区 */
.hero-visual {
  position: relative;
  height: 480px;
  overflow: visible;
}

.hero-visual-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius-2xl);
  padding: var(--space-xl);
  backdrop-filter: blur(50px) saturate(200%);
  -webkit-backdrop-filter: blur(50px) saturate(200%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), background 0.4s ease, border-color 0.4s ease, color 0.4s ease, box-shadow 0.4s ease, opacity 0.4s ease;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.3),
    0 1px 0 rgba(255, 255, 255, 0.4) inset,
    0 -1px 0 rgba(0, 0, 0, 0.15) inset;
}

.hero-visual-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  border-radius: inherit;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.25) 0%,
    rgba(255, 255, 255, 0.08) 40%,
    transparent 100%
  );
  pointer-events: none;
  z-index: 1;
}

.hero-visual-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.6) 0%,
    rgba(255, 255, 255, 0.2) 15%,
    rgba(255, 255, 255, 0.1) 40%,
    rgba(255, 255, 255, 0.05) 70%,
    rgba(255, 255, 255, 0.15) 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;
  pointer-events: none;
  z-index: 2;
}

.hero-visual-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.15);
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.35),
    0 1px 0 rgba(255, 255, 255, 0.5) inset,
    0 -1px 0 rgba(0, 0, 0, 0.2) inset;
}

.hero-visual-card-1 {
  top: 0;
  right: 40px;
  width: 200px;
}

.hero-visual-card-2 {
  top: 140px;
  left: 0;
  width: 220px;
}

.hero-visual-card-3 {
  bottom: 0;
  right: 0;
  width: 190px;
}

.hero-visual-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(108, 99, 255, 0.15), rgba(6, 182, 212, 0.1));
  border: 1px solid rgba(6, 182, 212, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 26px;
  color: var(--color-secondary-light);
}

.hero-visual-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.hero-visual-value {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.hero-visual-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, transparent 70%);
  filter: blur(40px);
  pointer-events: none;
  z-index: -1;
}

/* ============================================
   数据统计条
   ============================================ */

.stats-band {
  padding: var(--space-3xl) 0;
  border-top: 2px solid rgba(255, 255, 255, 0.2);
  border-bottom: 2px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(50px) saturate(200%);
  -webkit-backdrop-filter: blur(50px) saturate(200%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.15) inset,
    0 -1px 0 rgba(0, 0, 0, 0.1) inset;
}

.stats-grid {
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: var(--space-xl);
}

.stat-item {
  text-align: center;
  flex: 1;
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  background: linear-gradient(135deg, #00d4aa 0%, #ffffff 60%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1px;
  margin-bottom: var(--space-xs);
  filter: drop-shadow(0 0 12px rgba(6, 182, 212, 0.2));
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.5px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, rgba(108, 99, 255, 0.25), transparent);
}

/* ============================================
   通用 Section 样式
   ============================================ */

.section {
  padding: var(--space-4xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.section-header-left {
  text-align: left;
  margin-left: 0;
  margin-right: 0;
}

.section-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-secondary-light);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--space-md);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  line-height: 1.25;
  letter-spacing: 1px;
}

.section-desc {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.accent-text {
  background: linear-gradient(135deg, #8b83ff 0%, #d97757 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text {
  background: linear-gradient(135deg, #8b83ff 0%, #d97757 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-footer {
  text-align: center;
  margin-top: var(--space-3xl);
}

/* ============================================
   核心服务 - Bento 网格
   ============================================ */

.services-bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: var(--space-2xl);
  grid-auto-flow: dense;
}

/* 大卡片占2行 - 放在第一列 */
.services-bento .bento-card-large {
  grid-row: span 2;
  grid-column: 1;
}

/* 宽卡片占2列 - 放在第二、三列的第二行 */
.services-bento .bento-card-wide {
  grid-column: 2 / span 2;
  grid-row: 2;
}

/* ============================================
   关于我们区域
   ============================================ */

.about-section {
  background: var(--color-bg-light);
}

.about-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-image {
  position: relative;
  display: block;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: rgba(255, 255, 255, 0.12);
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  box-shadow:
    0 4px 24px rgba(0, 0, 0, 0.2),
    inset 0 1px 1px rgba(255, 255, 255, 0.1);
}

.about-image-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1), filter 0.6s ease;
  will-change: transform;
}

.about-image:hover .about-image-photo {
  transform: scale(1.08);
  filter: brightness(1.1);
}

.about-image:hover {
  box-shadow:
    0 8px 40px rgba(108, 99, 255, 0.15),
    0 4px 24px rgba(0, 0, 0, 0.2),
    inset 0 1px 1px rgba(255, 255, 255, 0.1);
  border-color: rgba(108, 99, 255, 0.35);
}

.about-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 100px;
  background: linear-gradient(135deg, rgba(108, 99, 255, 0.15), rgba(6, 182, 212, 0.08));
  color: var(--color-secondary-light);
}

.about-float-card {
  position: absolute;
  bottom: var(--space-xl);
  right: -var(--space-xl);
  background: rgba(255, 255, 255, 0.15);
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-xl);
  padding: var(--space-lg) var(--space-xl);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.25),
    inset 0 1px 1px rgba(255, 255, 255, 0.1);
  text-align: center;
}

.about-float-number {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  background: linear-gradient(135deg, #00d4aa 0%, #ffffff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 4px;
}

.about-float-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.about-content {
  max-width: 540px;
}

.about-text {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.85;
  margin-bottom: var(--space-lg);
}

.about-checklist {
  margin: var(--space-xl) 0;
}

.about-cta {
  margin-top: var(--space-2xl);
}

/* 兼容旧版样式 */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-list {
  margin-top: var(--space-xl);
}

.about-list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.about-list-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 12px;
  margin-top: 2px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border);
}

.about-stat {
  text-align: center;
}

.about-stat-number {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.about-stat-number .gradient-text {
  font-size: inherit;
}

.about-stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ============================================
   精选案例区域
   ============================================ */

.cases-section {
  background: var(--color-bg-light);
}

.cases-showcase {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-2xl);
}

.case-featured {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(50px) saturate(200%);
  -webkit-backdrop-filter: blur(50px) saturate(200%);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.3),
    0 1px 0 rgba(255, 255, 255, 0.4) inset,
    0 -1px 0 rgba(0, 0, 0, 0.15) inset;
}

.case-featured::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.6) 0%,
    rgba(255, 255, 255, 0.2) 15%,
    rgba(255, 255, 255, 0.1) 40%,
    rgba(255, 255, 255, 0.05) 70%,
    rgba(255, 255, 255, 0.15) 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;
  pointer-events: none;
  z-index: 2;
}

.case-featured-image {
  position: relative;
  aspect-ratio: 16/10;
  background: var(--gradient-card);
}

.case-featured-image .case-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
  background: linear-gradient(135deg, rgba(108, 99, 255, 0.2), rgba(6, 182, 212, 0.1));
  color: var(--color-secondary-light);
}

.case-featured-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(to top, rgba(5, 13, 26, 0.9), transparent);
  pointer-events: none;
}

.case-featured-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-2xl);
}

.case-featured-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin: var(--space-md) 0 var(--space-sm);
}

.case-featured-desc {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 500px;
}

.case-grid-sm {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.case-card-mini {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(50px) saturate(200%);
  -webkit-backdrop-filter: blur(50px) saturate(200%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), background 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
  position: relative;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.3),
    0 1px 0 rgba(255, 255, 255, 0.4) inset,
    0 -1px 0 rgba(0, 0, 0, 0.15) inset;
}

.case-card-mini::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.6) 0%,
    rgba(255, 255, 255, 0.2) 15%,
    rgba(255, 255, 255, 0.1) 40%,
    rgba(255, 255, 255, 0.05) 70%,
    rgba(255, 255, 255, 0.15) 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;
  pointer-events: none;
  z-index: 2;
}

.case-card-mini:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.15);
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.35),
    0 1px 0 rgba(255, 255, 255, 0.5) inset,
    0 -1px 0 rgba(0, 0, 0, 0.2) inset;
}

.case-mini-image {
  aspect-ratio: 16/10;
  background: var(--gradient-card);
}

.case-mini-image .case-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  background: linear-gradient(135deg, rgba(108, 99, 255, 0.15), rgba(6, 182, 212, 0.08));
  color: var(--color-secondary-light);
}

.case-mini-content {
  padding: var(--space-xl);
}

.case-mini-content h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-top: var(--space-md);
}

.case-tags {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* ============================================
   技术栈区域 - 不对称展示
   ============================================ */

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

.tech-showcase {
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--space-2xl);
}

.tech-category-large {
  grid-row: span 2;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius-2xl);
  padding: var(--space-3xl);
  backdrop-filter: blur(50px) saturate(200%);
  -webkit-backdrop-filter: blur(50px) saturate(200%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), background 0.4s ease, border-color 0.4s ease, color 0.4s ease, box-shadow 0.4s ease, opacity 0.4s ease;
  position: relative;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.3),
    0 1px 0 rgba(255, 255, 255, 0.4) inset,
    0 -1px 0 rgba(0, 0, 0, 0.15) inset;
}

.tech-category-large::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.6) 0%,
    rgba(255, 255, 255, 0.2) 15%,
    rgba(255, 255, 255, 0.1) 40%,
    rgba(255, 255, 255, 0.05) 70%,
    rgba(255, 255, 255, 0.15) 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;
  pointer-events: none;
  z-index: 2;
}

.tech-category-large:hover {
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.15);
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.35),
    0 1px 0 rgba(255, 255, 255, 0.5) inset,
    0 -1px 0 rgba(0, 0, 0, 0.2) inset;
}

.tech-category-header {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.tech-category-icon {
  width: 68px;
  height: 68px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(108, 99, 255, 0.2), rgba(6, 182, 212, 0.15));
  border: 1px solid rgba(6, 182, 212, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: var(--color-secondary-light);
  flex-shrink: 0;
}

.tech-category-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: 4px;
}

.tech-category-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.tech-items-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.tech-item {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg) var(--space-xl);
  background: rgba(10, 22, 40, 0.6);
  border: 1px solid rgba(148, 163, 184, 0.1);
  border-radius: var(--radius-lg);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), background 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
}

.tech-item:hover {
  background: rgba(20, 40, 70, 0.7);
  border-color: rgba(6, 182, 212, 0.25);
  transform: translateY(-2px);
}

.tech-item i {
  font-size: 28px;
  color: var(--color-secondary-light);
  flex-shrink: 0;
}

.tech-item span {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

.tech-card-single {
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  backdrop-filter: blur(50px) saturate(200%);
  -webkit-backdrop-filter: blur(50px) saturate(200%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), background 0.4s ease, border-color 0.4s ease, color 0.4s ease, box-shadow 0.4s ease, opacity 0.4s ease;
  display: flex;
  align-items: center;
  position: relative;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.3),
    0 1px 0 rgba(255, 255, 255, 0.4) inset,
    0 -1px 0 rgba(0, 0, 0, 0.15) inset;
}

.tech-card-single::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.6) 0%,
    rgba(255, 255, 255, 0.2) 15%,
    rgba(255, 255, 255, 0.1) 40%,
    rgba(255, 255, 255, 0.05) 70%,
    rgba(255, 255, 255, 0.15) 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;
  pointer-events: none;
  z-index: 2;
}

.tech-card-single:hover {
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.15);
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.35),
    0 1px 0 rgba(255, 255, 255, 0.5) inset,
    0 -1px 0 rgba(0, 0, 0, 0.2) inset;
}

.tech-item-lg {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.tech-item-lg i {
  font-size: 36px;
  color: var(--color-secondary-light);
  flex-shrink: 0;
}

.tech-item-lg h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: 4px;
}

.tech-item-lg p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.tech-category-wide {
  grid-column: span 2;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius-2xl);
  padding: var(--space-xl) var(--space-2xl);
  backdrop-filter: blur(50px) saturate(200%);
  -webkit-backdrop-filter: blur(50px) saturate(200%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), background 0.4s ease, border-color 0.4s ease, color 0.4s ease, box-shadow 0.4s ease, opacity 0.4s ease;
  position: relative;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.3),
    0 1px 0 rgba(255, 255, 255, 0.4) inset,
    0 -1px 0 rgba(0, 0, 0, 0.15) inset;
}

.tech-category-wide::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.6) 0%,
    rgba(255, 255, 255, 0.2) 15%,
    rgba(255, 255, 255, 0.1) 40%,
    rgba(255, 255, 255, 0.05) 70%,
    rgba(255, 255, 255, 0.15) 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;
  pointer-events: none;
  z-index: 2;
}

.tech-category-wide:hover {
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.15);
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.35),
    0 1px 0 rgba(255, 255, 255, 0.5) inset,
    0 -1px 0 rgba(0, 0, 0, 0.2) inset;
}

.tech-items-row {
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.tech-items-row .tech-item {
  background: rgba(10, 22, 40, 0.5);
  border-color: rgba(148, 163, 184, 0.08);
}

/* ============================================
   CTA 行动号召区域
   ============================================ */

.cta-section {
  position: relative;
  overflow: hidden;
  padding: var(--space-4xl) 0;
  background: linear-gradient(135deg, rgba(108, 99, 255, 0.08) 0%, rgba(6, 182, 212, 0.05) 100%);
  border-top: 2px solid rgba(255, 255, 255, 0.15);
  border-bottom: 2px solid rgba(255, 255, 255, 0.15);
}

.cta-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3xl);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(60px) saturate(200%);
  -webkit-backdrop-filter: blur(60px) saturate(200%);
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-radius: 32px;
  padding: var(--space-4xl);
  position: relative;
  box-shadow:
    0 12px 48px rgba(0, 0, 0, 0.3),
    0 1px 0 rgba(255, 255, 255, 0.3) inset,
    0 -1px 0 rgba(0, 0, 0, 0.15) inset;
}

.cta-layout::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.5) 0%,
    rgba(255, 255, 255, 0.15) 20%,
    rgba(255, 255, 255, 0.05) 50%,
    rgba(255, 255, 255, 0.15) 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;
  pointer-events: none;
}

.cta-text {
  flex: 1;
  max-width: 500px;
}

.cta-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-md);
  line-height: 1.2;
}

.cta-desc {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.cta-actions {
  flex-shrink: 0;
}

/* ============================================
   页脚样式
   ============================================ */

.footer {
  background: linear-gradient(180deg, rgba(11, 20, 36, 0.6) 0%, rgba(6, 13, 26, 0.85) 100%);
  backdrop-filter: blur(60px) saturate(200%);
  -webkit-backdrop-filter: blur(60px) saturate(200%);
  border-top: 1px solid rgba(0, 212, 170, 0.15);
  padding: var(--space-4xl) 0 var(--space-xl);
  box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.25);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
  padding: var(--space-2xl) var(--space-xl);
  position: relative;
}

.footer-grid::after { content: none; }

.footer-brand {
  max-width: 360px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.footer-logo img {
  height: 36px;
  width: auto;
}

.footer-logo-text {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  letter-spacing: 0.05em;
}

.footer-desc {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-xl);
  letter-spacing: var(--letter-spacing-cjk);
}

.footer-social {
  display: flex;
  gap: var(--space-md);
}

.footer-social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.15),
    inset 0 1px 1px rgba(255, 255, 255, 0.08);
}

.footer-social-link:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-secondary-light);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.footer-links-col {
  padding: 0;
}

.footer-column-title {
  font-size: 1.0625rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-xl);
  letter-spacing: 0.08em;
  position: relative;
  padding-bottom: var(--space-sm);
}

.footer-column-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-link {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: var(--letter-spacing-cjk);
  line-height: 1.6;
}

.footer-link:hover {
  color: var(--color-secondary-light);
}

.footer-link i {
  font-size: 14px;
  width: 16px;
  text-align: center;
}

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(0, 212, 170, 0.12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-copyright {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  letter-spacing: var(--letter-spacing-cjk);
}

.footer-icp {
  display: flex;
  gap: var(--space-lg);
}

.footer-icp a {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.footer-icp a:hover {
  color: var(--color-secondary-light);
}

/* ============================================
   内页通用 - 页面头部
   ============================================ */

.page-header {
  padding: 180px 0 var(--space-3xl);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.page-header-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.page-header-content {
  position: relative;
  z-index: 1;
}

.page-breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.page-breadcrumb a {
  color: var(--color-text-secondary);
}

.page-breadcrumb a:hover {
  color: var(--color-primary-light);
}

.page-title {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  line-height: var(--line-height-tight);
}

.page-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: var(--line-height-relaxed);
}

/* ============================================
   关于我们页面 - 时间轴
   ============================================ */

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--color-border-primary), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-3xl);
  width: 50%;
  padding: var(--space-xl);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(30px) saturate(150%);
  -webkit-backdrop-filter: blur(30px) saturate(150%);
  border: 1.5px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-xl);
  box-shadow:
    0 4px 24px rgba(0, 0, 0, 0.15),
    inset 0 1px 1px rgba(255, 255, 255, 0.08);
}

.timeline-item:nth-child(odd) {
  padding-right: var(--space-3xl);
  text-align: right;
}

.timeline-item:nth-child(even) {
  margin-left: 50%;
  padding-left: var(--space-3xl);
}

.timeline-dot {
  position: absolute;
  top: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--gradient-primary);
  border: 3px solid var(--color-bg);
  box-shadow: var(--shadow-glow);
}

.timeline-item:nth-child(odd) .timeline-dot {
  right: -10px;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -10px;
}

.timeline-year {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.timeline-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.timeline-desc {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* 优势卡片 */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

/* 团队成员 */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.team-card {
  text-align: center;
}

.team-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--gradient-card);
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  border: 2px solid var(--color-border-primary);
}

.team-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.team-role {
  font-size: var(--font-size-sm);
  color: var(--color-primary-light);
  margin-bottom: var(--space-md);
}

.team-bio {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
}

/* ============================================
   服务介绍页面
   ============================================ */

.services-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.service-detail-card {
  display: flex;
  gap: var(--space-xl);
}

.service-detail-icon {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

/* 服务流程 */
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-lg);
  position: relative;
}

.process-step {
  text-align: center;
  position: relative;
}

.process-step-number {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: white;
  margin: 0 auto var(--space-lg);
  box-shadow: var(--shadow-glow);
}

.process-step-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.process-step-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* 技术栈展示 */
.tech-categories {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.tech-category {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  backdrop-filter: blur(10px);
}

.tech-category-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.tech-category-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #ffffff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.tech-tag {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.tech-tag:hover {
  border-color: var(--color-border-primary);
  color: var(--color-text);
  transform: translateY(-2px);
}

.tech-tag-icon {
  font-size: 16px;
}

/* ============================================
   案例展示页面
   ============================================ */

.cases-filters {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--space-sm) var(--space-xl);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background: var(--color-bg-card);
  min-height: 44px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  cursor: pointer;
  font-family: inherit;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

/* ============================================
   联系我们页面
   ============================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.contact-info-item {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.contact-info-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.contact-info-content h4 {
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.03em;
}

.contact-info-content p {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  letter-spacing: 0.02em;
}

.contact-form-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-3xl);
  backdrop-filter: blur(10px);
}

/* ============================================
   微信公众号二维码卡片（GEO/转化优化）
   ============================================ */
.contact-qr-card {
  position: sticky;
  top: 100px;
}

.contact-qr-card-inner {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-3xl) var(--space-2xl);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  text-align: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18), 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
  position: relative;
}

.contact-qr-card-inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
}

.contact-qr-card-inner:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25), 0 4px 12px rgba(0, 0, 0, 0.15);
}

.contact-qr-title {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.05em;
}

.contact-qr-desc {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  letter-spacing: 0.02em;
}

.contact-qr-image-wrap {
  display: inline-block;
  padding: 12px;
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  margin-bottom: var(--space-lg);
  transition: transform 0.3s ease;
}

.contact-qr-card-inner:hover .contact-qr-image-wrap {
  transform: scale(1.02);
}

.contact-qr-image {
  display: block;
  width: 220px;
  height: 220px;
  border-radius: var(--radius-md);
  object-fit: contain;
}

.contact-qr-hint {
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: 4px;
  letter-spacing: 0.03em;
}

.contact-qr-sub {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

/* 移动端二维码卡片适配 */
@media (max-width: 767px) {
  .contact-qr-card {
    position: static;
    margin-top: var(--space-xl);
  }
  
  .contact-qr-card-inner {
    padding: var(--space-2xl) var(--space-xl);
  }
  
  .contact-qr-image {
    width: 180px;
    height: 180px;
  }
  
  .contact-qr-title {
    font-size: 1.25rem;
  }
}

.contact-form-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.contact-form-desc {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

/* FAQ */
.faq-section {
  max-width: 800px;
  margin: 0 auto;
}

/* ============================================
   响应式设计 - 平板端 (768px - 1199px)
   ============================================ */

@media (max-width: 1199px) {
  :root {
    --container-width: 100%;
    --container-padding: 1.5rem;
    --space-4xl: 4rem;
    --space-3xl: 3rem;
    --font-size-6xl: 3rem;
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 1.75rem;
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
  }

  .hero-content {
    text-align: center;
    max-width: 100%;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    height: 360px;
    max-width: 500px;
    margin: 0 auto;
  }

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

  .services-bento .bento-card-large {
    grid-row: span 1;
  }

  .services-bento .bento-card-wide {
    grid-column: span 2;
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .about-content {
    max-width: 100%;
  }

  .cases-showcase {
    grid-template-columns: 1fr;
  }

  .tech-showcase {
    grid-template-columns: 1fr 1fr;
  }

  .tech-category-large {
    grid-row: span 1;
    grid-column: span 2;
  }

  .tech-items-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .tech-category-wide {
    grid-column: span 2;
  }

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

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

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

  .services-detail-grid {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .cta-layout {
    flex-direction: column;
    text-align: center;
  }

  .cta-text {
    max-width: 100%;
  }
}

/* ============================================
   响应式设计 - 移动端 (< 768px)
   ============================================ */

@media (max-width: 767px) {
  :root {
    --space-4xl: 3rem;
    --space-3xl: 2rem;
    --space-2xl: 1.5rem;
    --font-size-6xl: 2.25rem;
    --font-size-5xl: 1.875rem;
    --font-size-4xl: 1.5rem;
    --font-size-3xl: 1.25rem;
    --container-padding: 1rem;
  }

  /* 页面头部移动端 - 减小顶部留白 */
  .page-header {
    padding: 110px 0 var(--space-2xl);
  }

  /* 导航栏移动端 */
  .navbar-toggle {
    display: flex;
  }

  .navbar-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 300px;
    height: 100dvh;
    background: var(--color-bg-light);
    border-left: 1px solid var(--color-border);
    flex-direction: column;
    padding: 80px var(--space-xl) var(--space-xl);
    transition: right 0.3s ease;
    gap: var(--space-lg);
    align-items: flex-start;
  }

  .navbar-menu.open {
    right: 0;
  }

  .navbar-link {
    font-size: var(--font-size-lg);
    width: 100%;
  }

  .navbar-cta {
    width: 100%;
    margin-top: var(--space-lg);
  }

  .navbar-cta .btn {
    width: 100%;
  }

  /* Hero */
  .hero-title {
    letter-spacing: 1px;
  }

  .hero-title-highlight {
    letter-spacing: 2px;
  }

  .hero-visual {
    height: 300px;
    overflow: hidden;
  }

  .hero-visual-card-1 {
    right: 10px;
    width: 150px;
  }

  .hero-visual-card-2 {
    left: 0;
    width: 150px;
  }

  .hero-visual-card-3 {
    right: 20px;
    width: 140px;
  }

  /* 统计条 */
  .stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }

  .stat-divider {
    display: none;
  }

  /* 网格布局 */
  .services-bento {
    grid-template-columns: 1fr;
  }

  .services-bento .bento-card-wide {
    grid-column: span 1;
    flex-direction: column;
    align-items: flex-start;
  }

  .two-col {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

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

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

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

  .case-grid-sm {
    grid-template-columns: 1fr;
  }

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

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

  /* 时间轴 */
  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    width: 100%;
    padding-left: 50px !important;
    padding-right: 0 !important;
    text-align: left !important;
    margin-left: 0 !important;
  }

  .timeline-item .timeline-dot {
    left: 10px !important;
    right: auto !important;
  }

  /* 流程步骤 */
  .process-steps {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  /* 页脚 */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  /* 技术栈 */
  .tech-showcase {
    grid-template-columns: 1fr;
  }

  .tech-category-large,
  .tech-category-wide {
    grid-column: span 1;
  }

  .tech-items-grid {
    grid-template-columns: 1fr;
  }

  .tech-items-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  /* 关于浮动卡片 */
  .about-float-card {
    right: var(--space-md);
    padding: var(--space-md) var(--space-lg);
  }

  .section-header-left {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
  }
}

/* ============================================
   Hero 全屏沉浸式 - 光影球 + 代码光线
   ============================================ */

/* 品牌标签 */



/* 代码光线装饰 */
.hero-code-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.code-line {
  position: absolute;
  left: -20%;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(108, 99, 255, 0.4) 30%,
    rgba(108, 99, 255, 0.15) 50%,
    transparent 100%
  );
  animation: codeLineFly 8s linear infinite;
}

.code-line-1 { top: 20%; width: 60%; animation-delay: 0s; }
.code-line-2 { top: 35%; width: 45%; animation-delay: 2.5s; animation-duration: 7s; }
.code-line-3 { top: 50%; width: 55%; animation-delay: 5s; animation-duration: 9s; }
.code-line-4 { top: 65%; width: 40%; animation-delay: 1.5s; animation-duration: 6.5s; }
.code-line-5 { top: 80%; width: 50%; animation-delay: 3.5s; animation-duration: 8s; }

@keyframes codeLineFly {
  0% { transform: translateX(-100%); opacity: 0; }
  20% { opacity: 0.6; }
  80% { opacity: 0.3; }
  100% { transform: translateX(120%); opacity: 0; }
}

/* 粒子水母 */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 520px;
  overflow: visible;
}

/* ============================================
   技能展示墙
   ============================================ */

.skills-section {
  background: linear-gradient(180deg, transparent 0%, rgba(10, 22, 40, 0.3) 50%, transparent 100%);
}

.skills-showcase {
  max-width: 800px;
  margin: 0 auto;
}

.skills-tabs {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
  justify-content: center;
  flex-wrap: wrap;
}

.skills-tab {
  padding: var(--space-sm) var(--space-xl);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
  transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
  font-family: inherit;
}

.skills-tab:hover {
  border-color: rgba(108, 99, 255, 0.3);
  color: var(--color-text);
}

.skills-tab.active {
  background: rgba(108, 99, 255, 0.12);
  border-color: rgba(108, 99, 255, 0.4);
  color: #8b83ff;
  box-shadow: 0 0 20px rgba(108, 99, 255, 0.15);
}

.skills-panel {
  display: none;
}

.skills-panel.active {
  display: block;
}

.skill-bar-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.skill-bar-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.skill-bar-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-sm);
}

.skill-bar-info span:first-child {
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
}

.skill-bar-info span:last-child {
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  opacity: 0.6;
}

.skill-bar-track {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--gradient-primary));
  box-shadow: 0 0 10px rgba(108, 99, 255, 0.3);
  transition: width 1s ease-out;
}

/* ============================================
   服务列表
   ============================================ */

.services-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.service-row {
  display: flex;
  align-items: center;
  gap: var(--space-3xl);
  padding: var(--space-xl) var(--space-2xl);
  border-radius: var(--radius-xl);
  transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
  cursor: default;
  position: relative;
}

.service-row::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: var(--space-2xl);
  right: var(--space-2xl);
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.06) 50%,
    transparent 100%
  );
}

.service-row:last-child::after {
  display: none;
}

.service-row:hover {
  background: rgba(108, 99, 255, 0.04);
  transform: translateX(8px);
}

.service-number {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: rgba(108, 99, 255, 0.25);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  min-width: 60px;
  transition: color 0.3s ease;
}

.service-row:hover .service-number {
  color: rgba(108, 99, 255, 0.5);
}

.service-info {
  flex: 1;
}

.service-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.service-summary {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.service-techs {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.service-techs span {
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  color: rgba(96, 165, 250, 0.8);
  background: rgba(108, 99, 255, 0.08);
  border: 1px solid rgba(108, 99, 255, 0.12);
}

.service-arrow a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-text-muted);
  transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
  font-size: var(--font-size-lg);
}

.service-row:hover .service-arrow a {
  border-color: rgba(108, 99, 255, 0.4);
  color: var(--color-primary);
  background: rgba(108, 99, 255, 0.08);
  transform: translateX(4px);
}

/* ============================================
   创作理念卡片
   ============================================ */

.vision-section {
  background: linear-gradient(180deg, transparent 0%, rgba(10, 22, 40, 0.3) 100%);
}

.vision-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
}

.vision-card {
  text-align: center;
  padding: var(--space-3xl) var(--space-2xl);
  border-radius: var(--radius-2xl);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  transition: transform 0.4s ease, background 0.4s ease, border-color 0.4s ease, color 0.4s ease, box-shadow 0.4s ease, opacity 0.4s ease;
  position: relative;
  overflow: hidden;
}

.vision-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(108, 99, 255, 0.3) 50%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
}

.vision-card:hover::before {
  opacity: 1;
}

.vision-card:hover {
  background: rgba(108, 99, 255, 0.03);
  border-color: rgba(108, 99, 255, 0.1);
  transform: translateY(-4px);
}

.vision-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: rgba(108, 99, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-xl);
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  transition: transform 0.4s ease, background 0.4s ease, border-color 0.4s ease, color 0.4s ease, box-shadow 0.4s ease, opacity 0.4s ease;
}

.vision-card:hover .vision-icon {
  background: rgba(108, 99, 255, 0.12);
  transform: scale(1.1);
  box-shadow: 0 0 30px rgba(108, 99, 255, 0.15);
}

.vision-card h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.vision-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ============================================
   响应式 - 新组件
   ============================================ */

@media (max-width: 1200px) {
  .hero-visual { min-height: 420px; overflow: visible; }
  /* removed */ { min-height: 420px; }
}

@media (max-width: 768px) {
  
  .hero-visual {
    margin-top: var(--space-2xl);
  }
  
  .hero-visual { min-height: 340px; overflow: visible; }
  /* removed */ { min-height: 340px; }
  
  .code-line-1 { top: 15%; }
  .code-line-2 { top: 30%; }
  .code-line-3 { top: 45%; }
  .code-line-4 { top: 60%; }
  .code-line-5 { top: 75%; }
  
  .service-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
  }
  
  .service-number {
    min-width: auto;
    font-size: var(--font-size-2xl);
  }
  
  .service-arrow {
    display: none;
  }
  
  .vision-grid {
    grid-template-columns: 1fr;
  }
  
  .skills-tabs {
    gap: var(--space-xs);
  }
  
  .skills-tab {
    padding: var(--space-xs) var(--space-md);
    font-size: 12px;
  }
}

/* ============================================
   Body 背景氛围（来自源文件）
   ============================================ */
html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100dvh;
    font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
    font-weight: 500;
    color: #e8fff8;
    line-height: 1.55;
    background-color: var(--page-deep, #040807);
    background-image:
        radial-gradient(ellipse 90% 60% at 10% -10%, rgba(0, 255, 214, 0.22), transparent 50%),
        radial-gradient(ellipse 70% 50% at 95% 10%, rgba(192, 132, 252, 0.2), transparent 45%),
        radial-gradient(ellipse 60% 40% at 50% 110%, rgba(8, 226, 96, 0.12), transparent 45%),
        linear-gradient(165deg, var(--page-deep, #040807) 0%, var(--page-mid, #0a1620) 45%, #061210 100%);
    background-attachment: fixed;
}

/* Ambient grid */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 255, 214, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 214, 0.03) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
    z-index: 0;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, black, transparent);
}

body > * {
    position: relative;
    z-index: 1;
}

/* Override brutalist CRT overlay z-index so it doesn't sit above content */
body::after {
    z-index: 0;
}