/* ==================== About 页专属样式（abt-page 命名空间，100% 对齐 html-case/pages/about.html） ==================== */

/* 关闭全局强制滚动吸附 */
html:root {
  scroll-snap-type: none !important;
}

.abt-page .tftech-footer,
.abt-page .tftech-cta,
.abt-page .tftech-banner {
  scroll-snap-align: none;
  scroll-snap-stop: normal;
  min-height: auto;
}

/* ==================== Hero Section ==================== */
.abt-page .tftech-hero {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background: #0a1e35;
  display: flex;
  align-items: center;
  scroll-snap-align: none;
  scroll-snap-stop: normal;
  opacity: 1;
  transform: none;
  padding: 0;
}

.abt-page .tftech-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/themes/tianfeng/public/assets/images/hero-enterprise-tech.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.4;
  transform: scale(1.05);
  transition: transform 6s ease-out;
}

.abt-page .tftech-hero.is-active .tftech-hero-bg {
  transform: scale(1);
}

.abt-page .tftech-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(6, 21, 37, 0.85) 0%, rgba(11, 42, 76, 0.6) 50%, rgba(15, 65, 117, 0.3) 100%);
}

.abt-page .tftech-hero-content {
  position: relative;
  z-index: 2;
  color: #fff;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  padding: 0 20px;
  width: 100%;
}

.abt-page .tftech-hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  margin: 0 0 24px;
  line-height: 1.2;
  font-weight: 700;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
  color: #fff;
}

.abt-page .tftech-hero p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 40px;
  line-height: 1.8;
}

/* ==================== Section Common ==================== */
.abt-page .tftech-section {
  min-height: auto;
  padding: 100px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.6s ease;
  transform: none;
  opacity: 1;
  position: relative;
  background: #ffffff;
  scroll-snap-align: none;
  scroll-snap-stop: normal;
  overflow: visible;
}

.abt-page .tftech-section.is-active {
  transform: scale(1);
  opacity: 1;
}

.abt-page .tftech-section-head {
  text-align: center;
  margin-bottom: 48px;
}

.abt-page .tftech-section-head h2 {
  font-size: 2.5rem;
  margin: 0 0 16px;
  color: var(--tftech-foreground);
  font-weight: 700;
}

.abt-page .tftech-kicker {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--tftech-primary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}

/* ==================== Split / 公司简介 ==================== */
.abt-page .tftech-split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.abt-page .tftech-image-wrapper {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--tftech-shadow-md);
}

.abt-page .tftech-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
}

.abt-page .tftech-intro-title {
  font-size: 2.2rem;
  margin: 15px 0 25px;
  color: var(--tftech-primary);
}

.abt-page .tftech-intro-text {
  font-size: 1.1rem;
  color: var(--tftech-muted-foreground);
  margin-bottom: 30px;
}

.abt-page .tftech-list {
  list-style: none;
  padding: 0;
  margin: 30px 0;
}

.abt-page .tftech-list li {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 20px;
  color: var(--tftech-muted-foreground);
  font-size: 1.05rem;
}

.abt-page .tftech-list li i {
  color: #4ade80;
  flex-shrink: 0;
  margin-top: 4px;
}

/* ==================== Grid & Cards ==================== */
.abt-page .tftech-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
}

.abt-page .tftech-feature-card {
  padding: 40px 30px;
  background: #ffffff;
  border-radius: 20px;
  border: 1px solid rgba(15, 65, 117, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.abt-page .tftech-feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(15, 65, 117, 0.1);
  border-color: var(--tftech-primary);
}

.abt-page .tftech-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: rgba(15, 65, 117, 0.06);
  color: var(--tftech-primary);
  display: grid;
  place-items: center;
  margin-bottom: 24px;
  transition: all 0.3s ease;
}

.abt-page .tftech-feature-card:hover .tftech-icon {
  background: var(--tftech-primary);
  color: #fff;
}

.abt-page .tftech-feature-card h3 {
  font-size: 1.3rem;
  margin: 0 0 12px;
  color: var(--tftech-foreground);
}

.abt-page .tftech-feature-card p {
  color: var(--tftech-muted-foreground);
  font-size: 0.95rem;
  margin: 0;
}

/* ==================== Stats Strip ==================== */
.abt-page .tftech-stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 50px;
}

.abt-page .tftech-stat-item {
  text-align: center;
  padding: 30px;
  background: #ffffff;
  border-radius: 20px;
  border: 1px solid rgba(15, 65, 117, 0.08);
  box-shadow: var(--tftech-shadow-sm);
}

.abt-page .tftech-stat-item strong {
  display: block;
  font-size: 2rem;
  color: var(--tftech-primary);
  margin-bottom: 8px;
}

.abt-page .tftech-stat-item span {
  color: var(--tftech-muted-foreground);
  font-weight: 500;
}

/* ==================== Timeline ==================== */
.abt-page .tftech-timeline {
  display: grid;
  gap: 30px;
  max-width: 800px;
  margin: 0 auto;
}

.abt-page .tftech-timeline-item {
  display: flex;
  gap: 40px;
  padding: 30px;
  background: #f8fbff;
  border-radius: 20px;
  border: 1px solid rgba(15, 65, 117, 0.05);
  transition: all 0.3s ease;
}

.abt-page .tftech-timeline-item:hover {
  background: #ffffff;
  box-shadow: var(--tftech-shadow-sm);
  transform: translateX(10px);
}

.abt-page .tftech-timeline-item strong {
  font-size: 1.25rem;
  color: var(--tftech-primary);
  white-space: nowrap;
}

.abt-page .tftech-timeline-item h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
  color: var(--tftech-foreground);
}

.abt-page .tftech-timeline-item p {
  margin: 0;
  color: var(--tftech-muted-foreground);
}

/* ==================== Buttons ==================== */
.abt-page .tftech-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 999px;
  background: var(--tftech-primary);
  color: #fff;
  font-weight: 600;
  transition: all 0.3s ease;
}

.abt-page .tftech-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(15, 65, 117, 0.3);
}

.abt-page .tftech-btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
}

.abt-page .tftech-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ==================== Responsive ==================== */
@media (max-width: 1024px) {
  .abt-page .tftech-grid-3,
  .abt-page .tftech-split,
  .abt-page .tftech-stats-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .abt-page .tftech-grid-3,
  .abt-page .tftech-split,
  .abt-page .tftech-stats-strip {
    grid-template-columns: 1fr;
  }
  .abt-page .tftech-hero h1 {
    font-size: 2.2rem;
  }
  .abt-page .tftech-section-head h2 {
    font-size: 1.8rem;
  }
  .abt-page .tftech-timeline-item {
    flex-direction: column;
    gap: 12px;
  }
}