/* ============================================================
   xy- 命名空間 CSS — 完全獨立，不影響任何現有樣式
   ============================================================ */

/* Reset 只限 xy- 元素 */
.xy-page * { box-sizing: border-box; }

/* ── 版面（唯一寬度控制點，改這裡就全部跟著變） ── */
.xy-page {
  font-family: "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: #2d2d2d;
  background: #fff;
  max-width: 1280px;   /* ← 只需改這裡，所有區塊自動跟著走 */
  margin: 0 auto;
  padding: 0 40px 60px;
}

@media (max-width: 860px)  { .xy-page { padding: 0 24px 60px; } }
@media (max-width: 600px)  { .xy-page { padding: 0 16px 60px; } }

/* ── 頂部橫幅 ── */
.xy-hero {
  background: linear-gradient(135deg, #1a4a6e 0%, #2e7cb8 100%);
  color: #fff;
  border-radius: 12px;
  padding: 40px 32px;
  margin: 24px 0 32px;
  text-align: center;
}
.xy-hero h1 {
  font-size: clamp(22px, 5vw, 34px);
  font-weight: 700;
  margin: 0 0 10px;
  letter-spacing: .03em;
}
.xy-hero p { font-size: 15px; opacity: .9; margin: 0 0 20px; }
.xy-hero-cta {
  display: inline-block;
  background: #fff;
  color: #1a4a6e;
  font-weight: 700;
  font-size: 15px;
  padding: 10px 28px;
  border-radius: 50px;
  text-decoration: none;
  transition: background .2s;
}
.xy-hero-cta:hover { background: #e8f3fd; }

/* ── 信任徽章列 ── */
.xy-trust-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin: 0 0 40px;
}
.xy-trust-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #f0f7ff;
  border: 1px solid #c2daf5;
  border-radius: 50px;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 600;
  color: #1a4a6e;
}
.xy-trust-badge span.xy-icon { font-size: 16px; }

/* ── H 標籤 ── */
.xy-section { margin: 0 0 48px; }
.xy-h2 {
  font-size: clamp(18px, 4vw, 24px);
  font-weight: 700;
  color: #1a4a6e;
  border-left: 5px solid #2e7cb8;
  padding-left: 14px;
  margin: 0 0 16px;
  line-height: 1.4;
}
.xy-h3 { font-size: 17px; font-weight: 700; color: #1a4a6e; margin: 24px 0 8px; }
.xy-h4 { font-size: 15px; font-weight: 700; color: #2e7cb8; margin: 16px 0 6px; }

/* ── 圖片：單張限760px置中，格線圖跟著容器走 ── */
.xy-img-full {
  display: block;
  width: 100%;
  max-width: 760px;   /* 單張圖片保留上限，避免過度拉寬失真 */
  height: auto;
  border-radius: 8px;
  margin: 16px auto;
}
.xy-img-caption {
  font-size: 13px;
  color: #666;
  text-align: center;
  margin: -8px 0 16px;
}

/* ── 圖片格線（跟著外層容器） ── */
.xy-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 16px 0;
}
.xy-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 16px 0;
}
.xy-grid-3 img, .xy-grid-2 img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  display: block;
}
@media (max-width: 600px) {
  .xy-grid-3 { grid-template-columns: 1fr; }
  .xy-grid-2 { grid-template-columns: 1fr; }
}

/* ── 流程步驟 ── */
.xy-steps {
  list-style: none;
  padding: 0;
  margin: 16px 0 24px;
}
.xy-steps li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid #e8f0f8;
}
.xy-steps li:last-child { border-bottom: none; }
.xy-step-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: #2e7cb8;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
}
.xy-step-body { flex: 1; }
.xy-step-body strong { display: block; font-size: 15px; color: #1a4a6e; margin-bottom: 2px; }
.xy-step-body span { font-size: 14px; color: #555; }

/* ── 優勢卡片 ── */
.xy-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 20px 0;
}
.xy-card {
  background: #f7fbff;
  border: 1px solid #d0e8fa;
  border-radius: 10px;
  padding: 20px 18px;
  text-align: center;
}
.xy-card-icon { font-size: 28px; margin-bottom: 8px; }
.xy-card-title { font-size: 15px; font-weight: 700; color: #1a4a6e; margin-bottom: 6px; }
.xy-card-desc { font-size: 13px; color: #555; line-height: 1.7; }

/* ── 產品卡片 ── */
.xy-product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin: 20px 0;
}
.xy-product-card {
  border: 1px solid #dae8f5;
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  transition: box-shadow .2s;
}
.xy-product-card:hover { box-shadow: 0 4px 16px rgba(30,90,160,.12); }
.xy-product-img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; }
.xy-product-info { padding: 10px 12px; }
.xy-product-name { font-size: 14px; font-weight: 700; color: #1a4a6e; margin-bottom: 4px; }
.xy-product-desc { font-size: 12px; color: #666; line-height: 1.6; }

/* ── FAQ 手風琴 ── */
.xy-faq { margin: 20px 0; }
.xy-faq details {
  border: 1px solid #d0e8fa;
  border-radius: 8px;
  margin-bottom: 8px;
  overflow: hidden;
}
.xy-faq summary {
  padding: 14px 18px;
  font-size: 15px;
  font-weight: 600;
  color: #1a4a6e;
  cursor: pointer;
  list-style: none;
  background: #f0f7ff;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.xy-faq summary::after { content: "＋"; font-size: 18px; }
.xy-faq details[open] summary::after { content: "－"; }
.xy-faq .xy-faq-body { padding: 14px 18px; font-size: 14px; line-height: 1.8; color: #444; }

/* ── 聯絡資訊方塊 ── */
.xy-contact-box {
  background: #1a4a6e;
  color: #fff;
  border-radius: 12px;
  padding: 28px;
  margin: 32px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: flex-start;
}
.xy-contact-item { flex: 1 1 180px; }
.xy-contact-label { font-size: 12px; opacity: .75; margin-bottom: 4px; letter-spacing: .06em; text-transform: uppercase; }
.xy-contact-value { font-size: 17px; font-weight: 700; }
.xy-contact-value a { color: #7fd4ff; text-decoration: none; }
.xy-contact-value a:hover { text-decoration: underline; }

/* ── 服務範圍 tag ── */
.xy-area-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; }
.xy-area-tag {
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 50px;
  padding: 4px 14px;
  font-size: 13px;
}

/* ── 引言 ── */
.xy-blockquote {
  border-left: 4px solid #2e7cb8;
  padding: 12px 20px;
  background: #f0f7ff;
  border-radius: 0 8px 8px 0;
  font-size: 15px;
  color: #1a4a6e;
  font-style: italic;
  margin: 20px 0;
}

/* ── 關於我們橫欄 ── */
.xy-about-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: flex-start;
  margin: 16px 0;
}
.xy-about-img { flex: 0 0 300px; }
.xy-about-img img { width: 100%; border-radius: 8px; }
.xy-about-text { flex: 1 1 280px; font-size: 15px; color: #444; line-height: 1.9; }
@media (max-width: 600px) {
  .xy-about-img { flex: 1 1 100%; }
}

/* ── Breadcrumb ── */
.xy-breadcrumb { font-size: 13px; color: #888; margin: 16px 0 0; }
.xy-breadcrumb a { color: #2e7cb8; text-decoration: none; }
.xy-breadcrumb a:hover { text-decoration: underline; }
.xy-breadcrumb span { margin: 0 6px; }

/* ── 提示欄 ── */
.xy-tip {
  background: #fff8e6;
  border: 1px solid #f0d080;
  border-radius: 8px;
  padding: 12px 18px;
  font-size: 14px;
  color: #5a4000;
  margin: 16px 0;
}
.xy-tip strong { color: #8a5a00; }

/* ── Responsive 微調 ── */
@media (max-width: 480px) {
  .xy-hero { padding: 28px 18px; }
  .xy-contact-box { padding: 20px 18px; }
  .xy-h2 { font-size: 18px; }
}