/* pages/about_holin.css — 關於我們 (2026-10 改版) */
:root {
  --brand: #0a5bb5;
  --brand-ink: #0b2545;
  --accent: #f08a24;
  --line: #e2e8f0;
  --text: #334155;
  --muted: #64748b;
}

body {
  background: #f4f8fc;
  color: var(--text);
}

/* 麵包屑：融入頁面 */
.breadcrumb {
  max-width: 1200px;
  margin: 87px auto 0;
  box-sizing: border-box;
  background: #fff;
  border-radius: 0;
  box-shadow: none;
  padding: 0.8rem 1.5rem;
}

/* ===== 橫幅 ===== */
.banner-container {
  position: relative;
  width: 100%;
  min-height: 340px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #062a55 url("../../images/hero/hero-network.svg") 70% center / cover no-repeat;
}

.banner-lines {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(4, 29, 61, 0.92) 0%, rgba(4, 29, 61, 0.75) 45%, rgba(4, 29, 61, 0.15) 100%);
}

.banner-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  box-sizing: border-box;
}

.banner-title {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff;
  line-height: 1.1;
}

.banner-subtitle {
  margin: 0.4rem 0 1.6rem;
  font-size: 1.25rem;
  letter-spacing: 0.3em;
  color: #9fd3ff;
}

.banner-text1 {
  display: inline-block;
  margin: 0;
  padding: 0.9rem 1.3rem 0.9rem 1.2rem;
  border-left: 4px solid var(--accent);
  background: rgba(255, 255, 255, 0.08);
  border-radius: 0 10px 10px 0;
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.9;
  color: #ffd166;
  backdrop-filter: blur(2px);
}

/* ===== 時間軸 ===== */
.timeline {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem 4rem 5.5rem;
  box-sizing: border-box;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 3.5rem;
  bottom: 4rem;
  left: calc(1.5rem + 23px);
  width: 3px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--brand) 0%, #3fb5e8 55%, #8cc63f 100%);
  opacity: 0.55;
}

.tl-item {
  position: relative;
  margin-bottom: 2rem;
}

.tl-item:last-child {
  margin-bottom: 0;
}

.tl-dot {
  position: absolute;
  left: calc(-4rem - 1px);
  top: 1.6rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  color: #fff;
  background: linear-gradient(135deg, #3fa2f5, var(--brand));
  box-shadow: 0 0 0 6px #f4f8fc, 0 6px 16px rgba(10, 91, 181, 0.35);
}

.tl-item:nth-child(2) .tl-dot {
  background: linear-gradient(135deg, #ffb062, var(--accent));
  box-shadow: 0 0 0 6px #f4f8fc, 0 6px 16px rgba(240, 138, 36, 0.35);
}

.tl-item:last-child .tl-dot {
  background: linear-gradient(135deg, #a4d65e, #4f8f1f);
  box-shadow: 0 0 0 6px #f4f8fc, 0 6px 16px rgba(79, 143, 31, 0.35);
}

.card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 4px 18px rgba(15, 40, 80, 0.06);
  padding: 1.8rem 2.2rem 1.6rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

/* 指向時間軸的小三角 */
.card::before {
  content: "";
  position: absolute;
  left: -9px;
  top: 2.4rem;
  width: 16px;
  height: 16px;
  background: #fff;
  border-left: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transform: rotate(45deg);
}

.tl-item:hover .card {
  transform: translateX(4px);
  box-shadow: 0 12px 30px rgba(15, 40, 80, 0.12);
}

.card-title {
  display: inline-block;
  margin: 0 0 1rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--brand);
}

.tl-item:nth-child(2) .card-title {
  color: var(--accent);
}

.tl-item:last-child .card-title {
  color: #4f8f1f;
}

.card-description {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.95;
  text-align: justify;
}

/* ===== 響應式 ===== */
@media (max-width: 768px) {
  .breadcrumb {
    padding: 0.7rem 1rem;
  }

  .banner-container {
    min-height: 300px;
    background-position: 60% center;
  }

  .banner-lines {
    background: linear-gradient(180deg, rgba(4, 29, 61, 0.55) 0%, rgba(4, 29, 61, 0.88) 100%);
  }

  .banner-content {
    padding: 2.5rem 1rem;
  }

  .banner-text1 {
    font-size: 1rem;
  }

  .timeline {
    padding: 2.5rem 1rem 3rem 3.4rem;
  }

  .timeline::before {
    left: calc(1rem + 15px);
    top: 2.5rem;
    bottom: 3rem;
  }

  .tl-dot {
    left: calc(-2.4rem - 1px);
    width: 32px;
    height: 32px;
    font-size: 0.95rem;
    top: 1.3rem;
    box-shadow: 0 0 0 4px #f4f8fc;
  }

  .tl-item:nth-child(2) .tl-dot,
  .tl-item:last-child .tl-dot {
    box-shadow: 0 0 0 4px #f4f8fc;
  }

  .card {
    padding: 1.3rem 1.2rem 1.2rem;
  }

  .card::before {
    top: 1.8rem;
  }

  .card-title {
    font-size: 1.6rem;
  }

  .card-description {
    text-align: left;
  }
}

@media (max-width: 480px) {
  .breadcrumb {
    margin-top: 70px;
  }
}