/* =========================================================
   合同投資股份有限公司 - 官網樣式
   ========================================================= */
:root{
  --color-navy: #0e1f33;
  --color-navy-deep: #081522;
  --color-gold: #b8935a;
  --color-gold-light: #d8b78a;
  --color-cream: #f8f5f0;
  --color-text: #26313f;
  --color-text-light: #6b7686;
  --color-border: #e4e0d8;
  --font-serif: 'Cormorant Garamond', 'Noto Sans TC', serif;
  --font-sans: 'Noto Sans TC', sans-serif;
  --max-width: 1180px;
  --transition: 0.35s cubic-bezier(.4,0,.2,1);
}

*{ margin:0; padding:0; box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  font-family: var(--font-sans);
  color: var(--color-text);
  background: #fff;
  line-height: 1.75;
  overflow-x: hidden;
}

img{ max-width:100%; display:block; }

a{ color:inherit; text-decoration:none; }

ul{ list-style:none; }

.container{
  width:100%;
  max-width: var(--max-width);
  margin:0 auto;
  padding: 0 24px;
}

/* ---------- 標題共用 ---------- */
.section-eyebrow{
  font-family: var(--font-serif);
  color: var(--color-gold);
  letter-spacing: 2px;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.section-title{
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 18px;
}
.section-lead{
  color: var(--color-text-light);
  font-size: 1.02rem;
  max-width: 640px;
}
.center{ text-align:center; margin-left:auto; margin-right:auto; }

/* ---------- Header ---------- */
.site-header{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 1000;
  background: rgba(8, 21, 34, 0.0);
  transition: var(--transition);
  padding: 18px 0;
}
.site-header.scrolled{
  background: rgba(8, 21, 34, 0.92);
  backdrop-filter: blur(10px);
  padding: 12px 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand-mark{
  width:44px; height:44px;
  border-radius:50%;
  border: 1.5px solid var(--color-gold-light);
  display:flex; align-items:center; justify-content:center;
  font-family: var(--font-serif);
  font-weight:700;
  color: var(--color-gold-light);
  font-size: 1rem;
  flex-shrink:0;
}
.brand-mark.small{ width:40px; height:40px; }
.brand-text{ display:flex; flex-direction:column; color:#fff; line-height:1.3; }
.brand-text strong{ font-size: 1.02rem; letter-spacing:0.5px; }
.brand-text small{ font-size: 0.65rem; color: var(--color-gold-light); letter-spacing: 1px; }

.main-nav ul{ display:flex; gap: 32px; }
.main-nav a{
  color:#fff;
  font-size: 0.95rem;
  position: relative;
  padding: 6px 0;
}
.main-nav a::after{
  content:'';
  position:absolute;
  left:0; bottom:0;
  width:0; height:2px;
  background: var(--color-gold-light);
  transition: width .3s ease;
}
.main-nav a:hover::after{ width:100%; }

/* ---------- Hero ---------- */
.hero{
  position: relative;
  min-height: 100vh;
  display:flex;
  align-items:center;
  color:#fff;
  background: linear-gradient(160deg, var(--color-navy-deep) 0%, var(--color-navy) 45%, #23486e 100%);
  overflow:hidden;
}
.hero-bg{
  position:absolute; inset:0;
  background-image:
    radial-gradient(circle at 85% 20%, rgba(184,147,90,0.18), transparent 45%),
    radial-gradient(circle at 10% 80%, rgba(184,147,90,0.12), transparent 40%);
  pointer-events:none;
}
.hero-bg::after{
  content:'';
  position:absolute; inset:0;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* 世界地圖點狀製饰背景（純 CSS 縪製，不依賴圖片） */
.hero-world-map{
  position:absolute;
  inset: 0;
  left: 30%;
  background-image: radial-gradient(rgba(255,255,255,0.35) 1.5px, transparent 1.5px);
  background-size: 22px 22px;
  -webkit-mask-image: radial-gradient(ellipse 60% 55% at 60% 45%, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.5) 55%, transparent 80%);
  mask-image: radial-gradient(ellipse 60% 55% at 60% 45%, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.5) 55%, transparent 80%);
  opacity: 0.5;
  pointer-events:none;
}
.hero-inner{ position:relative; z-index:2; padding-top: 100px; width:100%; }
.hero-grid{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items:center;
  gap: 40px;
}
.hero-text{ max-width: 620px; }
.hero-eyebrow{
  color: var(--color-gold-light);
  letter-spacing: 3px;
  text-transform: uppercase;
  font-size: 0.9rem;
  margin-bottom: 20px;
  font-weight:600;
}
.hero h1{
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 26px;
}
.hero-desc{
  max-width: 560px;
  color: rgba(255,255,255,0.78);
  font-size: 1.05rem;
  margin-bottom: 36px;
}
.hero-actions{ display:flex; gap:18px; flex-wrap:wrap; margin-bottom: 60px; }

.hero-photo-spacer{ min-height: 1px; }

/* 人物直接融入 Hero 背景（全幅出血，無圓角、無相框） */
.hero-photo-bleed{
  position:absolute;
  top:0; right:0; bottom:0;
  width: 58%;
  z-index:1;
  overflow:hidden;
  pointer-events:none;
  /* 遮罩只作用在圖片最左側約 24%，其餘區域完全清晰，避免蓋到臉部 */
  -webkit-mask-image: linear-gradient(to right, transparent 0%, rgba(0,0,0,0.55) 10%, rgba(0,0,0,0.95) 20%, rgba(0,0,0,1) 26%, rgba(0,0,0,1) 100%);
  mask-image: linear-gradient(to right, transparent 0%, rgba(0,0,0,0.55) 10%, rgba(0,0,0,0.95) 20%, rgba(0,0,0,1) 26%, rgba(0,0,0,1) 100%);
}
.hero-photo-bleed img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 62% 14%;
  /* 整體提亮、提高清晰度，不再整張壓暗 */
  filter: brightness(1.14) contrast(1.04) saturate(1.08);
  display:block;
}
/* 僅在左側邊緣與四周角落做輕微深藍融合，中央人物區域維持清晰不受影響 */
.hero-photo-bleed::after{
  content:'';
  position:absolute;
  inset:0;
  background:
    linear-gradient(to top, rgba(8,21,34,0.65) 0%, transparent 12%),
    linear-gradient(to left, transparent 0%, transparent 26%, rgba(8,21,34,0.55) 100%),
    radial-gradient(ellipse 70% 60% at 78% 45%, transparent 55%, rgba(8,21,34,0.18) 100%);
}

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 14px 30px;
  border-radius: 4px;
  font-weight:600;
  font-size:0.95rem;
  cursor:pointer;
  border: 1px solid transparent;
  transition: var(--transition);
}
.btn-primary{
  background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold));
  color: var(--color-navy-deep);
}
.btn-primary:hover{ transform: translateY(-3px); box-shadow: 0 12px 24px rgba(184,147,90,0.3); }
.btn-outline{
  border-color: rgba(255,255,255,0.5);
  color:#fff;
}
.btn-outline:hover{ background: rgba(255,255,255,0.1); border-color:#fff; }
.btn-block{ width:100%; justify-content:center; }

.hero-stats{
  display:flex;
  gap: 36px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 30px;
}
.stat{ display:flex; flex-direction:column; padding-right: 36px; border-right: 1px solid rgba(255,255,255,0.12); }
.stat:last-child{ border-right:none; padding-right:0; }
.stat-num{
  font-family: var(--font-serif);
  font-size: 2.1rem;
  font-weight:700;
  color: var(--color-gold-light);
}
.stat-label{ font-size:0.85rem; color: rgba(255,255,255,0.65); margin-top:4px; }

.scroll-cue{
  position:absolute;
  bottom: 28px; left:50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.6);
  font-size: 1.2rem;
  animation: bounce 2s infinite;
  z-index:2;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap: 6px;
}
.scroll-cue span{
  font-size: 0.7rem;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.5);
}
@keyframes bounce{
  0%,100%{ transform: translate(-50%,0); }
  50%{ transform: translate(-50%,10px); }
}

/* ---------- Split layout (about / contact) ---------- */
.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items:center;
}
.about, .contact{ padding: 110px 0; }
.about{ background:#fff; }
.contact{ background: var(--color-cream); }

.split-media{ position: relative; }
.media-frame{
  aspect-ratio: 1/1;
  border-radius: 12px;
  background: linear-gradient(150deg, var(--color-navy), #1c3e5f);
  display:flex;
  align-items:center;
  justify-content:center;
  color: rgba(255,255,255,0.15);
  font-size: 8rem;
  box-shadow: 0 30px 60px -20px rgba(14,31,51,0.35);
  overflow: hidden;
}
.media-frame img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-badge{
  position:absolute;
  bottom: -20px; right: -10px;
  background:#fff;
  padding: 16px 22px;
  border-radius: 10px;
  box-shadow: 0 15px 35px rgba(0,0,0,0.12);
  display:flex; align-items:center; gap:12px;
  font-weight:600;
  color: var(--color-navy);
}
.media-badge i{ color: var(--color-gold); font-size:1.4rem; }

.split-content h2{
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight:700;
  color: var(--color-navy);
  margin-bottom: 22px;
  line-height:1.4;
}
.about-points{ margin-top: 26px; display:flex; flex-direction:column; gap:14px; }
.about-points li{ display:flex; gap:12px; align-items:flex-start; color: var(--color-text); }
.about-points i{ color: var(--color-gold); margin-top:4px; }

/* ---------- Leadership ---------- */
.leadership{ padding: 110px 0; background: var(--color-cream); }
.leadership-media{ display:flex; justify-content:center; }
.leadership-photo-frame{
  position: relative;
  width: 100%;
  max-width: 380px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 30px 60px -20px rgba(14,31,51,0.35);
  border: 6px solid #fff;
}
.leadership-photo-frame img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 3/4;
}
.leadership .media-badge{
  right: 50%;
  transform: translateX(155px);
}

/* ---------- Services ---------- */
.services{ padding: 110px 0; background: var(--color-cream); }
.service-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 50px;
}
.service-card{
  background:#fff;
  padding: 38px 30px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  transition: var(--transition);
}
.service-card:hover{
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(14,31,51,0.08);
  border-color: transparent;
}
.service-icon{
  width:58px; height:58px;
  border-radius:50%;
  background: linear-gradient(135deg, var(--color-navy), #1c3e5f);
  display:flex; align-items:center; justify-content:center;
  color: var(--color-gold-light);
  font-size:1.4rem;
  margin-bottom: 22px;
}
.service-card h3{ color: var(--color-navy); font-size:1.2rem; margin-bottom: 12px; }
.service-card p{ color: var(--color-text-light); font-size:0.95rem; }

/* ---------- Philosophy ---------- */
.philosophy{ padding: 110px 0; background: var(--color-navy-deep); color:#fff; }
.philosophy .section-eyebrow{ color: var(--color-gold-light); }
.philosophy .section-title{ color:#fff; }
.philosophy-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 50px;
}
.philosophy-card{
  padding: 36px 28px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  transition: var(--transition);
}
.philosophy-card:hover{ background: rgba(255,255,255,0.04); border-color: var(--color-gold-light); }
.philosophy-num{
  font-family: var(--font-serif);
  font-size: 2.2rem;
  color: var(--color-gold-light);
  font-weight:700;
}
.philosophy-card h3{ margin: 16px 0 12px; font-size:1.25rem; }
.philosophy-card p{ color: rgba(255,255,255,0.65); font-size:0.95rem; }

/* ---------- 公益慈善 ---------- */
.charity{ padding: 110px 0; background:#fff; }
.charity-gallery{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 50px;
}
.charity-card{
  background:#fff;
  border-radius: 12px;
  overflow:hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 20px 40px rgba(14,31,51,0.06);
  transition: var(--transition);
}
.charity-card:hover{
  transform: translateY(-6px);
  box-shadow: 0 24px 48px rgba(14,31,51,0.14);
}
.charity-photo{
  aspect-ratio: 4/3;
  overflow:hidden;
  background: linear-gradient(150deg, var(--color-navy), #1c3e5f);
}
.charity-photo img{
  width:100%;
  height:100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.charity-card:hover .charity-photo img{ transform: scale(1.05); }
.charity-photo-placeholder{
  width:100%;
  height:100%;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:10px;
  color: rgba(255,255,255,0.35);
}
.charity-photo-placeholder i{ font-size: 2.4rem; }
.charity-photo-placeholder span{ font-size: 0.85rem; letter-spacing: 1px; }
.charity-card figcaption{
  padding: 18px 20px 22px;
}
.charity-card figcaption strong{
  display:block;
  color: var(--color-navy);
  font-size: 1.02rem;
  margin-bottom: 4px;
}
.charity-card figcaption span{
  color: var(--color-text-light);
  font-size: 0.85rem;
}

/* ---------- Company Info ---------- */
.company-info{ padding: 110px 0; background:#fff; }
.info-card{
  max-width: 780px;
  margin: 50px auto 0;
  border-radius: 12px;
  overflow:hidden;
  box-shadow: 0 20px 50px rgba(14,31,51,0.08);
  border: 1px solid var(--color-border);
}
.info-table{ width:100%; border-collapse: collapse; }
.info-table tr:not(:last-child){ border-bottom: 1px solid var(--color-border); }
.info-table th, .info-table td{
  padding: 22px 30px;
  text-align: left;
  font-size: 1rem;
}
.info-table th{
  background: var(--color-cream);
  color: var(--color-navy);
  font-weight:600;
  width: 200px;
  white-space: nowrap;
}
.info-table th i{ color: var(--color-gold); margin-right:10px; width:18px; text-align:center; }
.info-table td{ color: var(--color-text); }

/* ---------- Contact ---------- */
.contact-list{ margin-top: 30px; display:flex; flex-direction:column; gap: 26px; }
.contact-list li{ display:flex; gap:18px; align-items:flex-start; }
.contact-list i{
  width:46px; height:46px;
  border-radius:50%;
  background: var(--color-navy);
  color: var(--color-gold-light);
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
  font-size:1.1rem;
}
.contact-list strong{ display:block; color: var(--color-navy); margin-bottom:4px; }
.contact-list span{ color: var(--color-text-light); font-size:0.95rem; }

.contact-form{
  background:#fff;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 20px 50px rgba(14,31,51,0.08);
}
.contact-form h3{ color: var(--color-navy); margin-bottom: 24px; font-size:1.3rem; }
.form-row{ margin-bottom: 20px; display:flex; flex-direction:column; gap:8px; }
.form-row label{ font-size:0.88rem; color: var(--color-text); font-weight:500; }
.form-row input, .form-row textarea{
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  resize: vertical;
  transition: var(--transition);
}
.form-row input:focus, .form-row textarea:focus{
  outline:none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(184,147,90,0.15);
}
.form-note{ margin-top: 14px; font-size: 0.9rem; min-height: 1.2em; color: #2f7a4d; }

/* ---------- Footer ---------- */
.site-footer{ background: var(--color-navy-deep); color: rgba(255,255,255,0.75); padding: 50px 0 30px; }
.footer-inner{ display:flex; flex-wrap:wrap; justify-content:space-between; align-items:center; gap: 24px; padding-bottom: 24px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-brand{ display:flex; align-items:center; gap:14px; }
.footer-brand strong{ color:#fff; display:block; }
.footer-brand p{ font-size:0.75rem; color: var(--color-gold-light); letter-spacing:1px; }
.footer-meta{ font-size:0.88rem; line-height:1.8; }
.footer-copy{ text-align:center; margin-top: 22px; font-size:0.82rem; color: rgba(255,255,255,0.4); }

/* ---------- Back to top ---------- */
.back-to-top{
  position: fixed;
  bottom: 28px; right: 28px;
  width: 48px; height:48px;
  border-radius:50%;
  border:none;
  background: var(--color-navy);
  color: var(--color-gold-light);
  cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  opacity:0; visibility:hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 999;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}
.back-to-top.visible{ opacity:1; visibility:visible; transform: translateY(0); }
.back-to-top:hover{ background: var(--color-gold); color:#fff; }

/* ---------- Scroll reveal ---------- */
[data-aos]{
  opacity:0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-aos].aos-in{
  opacity:1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 960px){
  .split{ grid-template-columns: 1fr; gap: 40px; }
  .split-media{ order: -1; }
  .service-grid{ grid-template-columns: repeat(2, 1fr); }
  .charity-gallery{ grid-template-columns: repeat(2, 1fr); }
  .philosophy-grid{ grid-template-columns: 1fr; }
  .leadership .media-badge{ transform: translateX(0); right: 10px; }

  .hero-grid{ grid-template-columns: 1fr; }
  .hero-photo-bleed{ display:none; }
  .hero-world-map{ left:0; opacity:0.35; }
}

@media (max-width: 768px){
  .header-inner{ flex-wrap: wrap; gap: 14px; }
  .main-nav{
    width: 100%;
    order: 3;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .main-nav::-webkit-scrollbar{ display:none; }
  .main-nav ul{
    flex-wrap: nowrap;
    gap: 20px;
    width: max-content;
    padding-bottom: 4px;
  }
  .main-nav a{ font-size: 0.85rem; white-space: nowrap; }

  .hero-stats{ gap: 30px; }
  .service-grid{ grid-template-columns: 1fr; }
  .charity-gallery{ grid-template-columns: 1fr; }
  .info-table th{ width: 130px; padding: 16px; font-size:0.9rem; }
  .info-table td{ padding:16px; font-size:0.9rem; }
  .footer-inner{ flex-direction:column; text-align:center; }
}

@media (max-width: 560px){
  .main-nav ul{ gap: 16px; }
  .main-nav a{ font-size: 0.78rem; }
  .brand-text small{ display:none; }
}