/* ==========================================================
   分页通用样式：业务总览 / 关于 / 联系 / 详情公共
   ========================================================== */

/* 通用页面 Hero */
.page-hero {
  padding: clamp(140px, 18vw, 220px) var(--pad-x) clamp(60px, 8vw, 100px);
  text-align: center;
  background: var(--bg-base);
  position: relative;
}

.page-hero h1 {
  font-family: var(--font-serif-cn);
  font-weight: 300;
  font-size: clamp(40px, 6vw, 78px);
  letter-spacing: 0.15em;
  color: var(--ink-1);
  margin-bottom: 14px;
  line-height: 1.15;
}

.page-hero .name-en {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: clamp(18px, 2vw, 24px);
  letter-spacing: 0.15em;
  color: var(--ink-3);
  margin-bottom: 22px;
}

.page-hero .sub {
  font-size: clamp(13px, 1.1vw, 16px);
  color: var(--ink-2);
  letter-spacing: 0.08em;
  max-width: 620px;
  margin: 0 auto;
}

.page-hero .line {
  width: 1px;
  height: 56px;
  background: var(--gold);
  margin: 30px auto 0;
}

/* ==========================================================
   业务总览：分类 Tabs + 卡片网格
   ========================================================== */

.cat-tabs-wrap {
  text-align: center;
  padding: 0 var(--pad-x) 60px;
}

.cat-tabs {
  display: inline-flex;
  border: 1px solid var(--line);
  background: var(--bg-paper);
  padding: 4px;
}

.cat-tabs button {
  font-family: var(--font-sans-cn);
  font-size: 13px;
  letter-spacing: 0.2em;
  padding: 12px 32px;
  background: transparent;
  color: var(--ink-2);
  border: none;
  cursor: pointer;
  transition: all var(--t-fast) var(--ease);
}

.cat-tabs button.active {
  background: var(--ink-1);
  color: #fff;
}

.cat-tabs button:not(.active):hover { color: var(--gold-deep); }

/* 类目块 */
.cat-block {
  padding: 0 var(--pad-x) clamp(80px, 10vw, 130px);
}

.cat-header {
  text-align: center;
  margin-bottom: 60px;
}

.cat-header .num {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: 14px;
}

.cat-header h2 {
  font-family: var(--font-serif-cn);
  font-weight: 300;
  font-size: clamp(34px, 4.5vw, 56px);
  letter-spacing: 0.12em;
  color: var(--ink-1);
  margin-bottom: 10px;
}

.cat-header .en {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: clamp(18px, 2vw, 24px);
  color: var(--ink-3);
  letter-spacing: 0.12em;
  margin-bottom: 18px;
}

.cat-header .sub {
  font-size: 14px;
  color: var(--ink-2);
  letter-spacing: 0.08em;
  max-width: 580px;
  margin: 0 auto;
}

/* 卡片网格 */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(20px, 2vw, 32px);
  max-width: 1500px;
  margin: 0 auto;
}

.card {
  background: var(--bg-paper);
  display: flex;
  flex-direction: column;
  transition: transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px -20px rgba(40, 30, 18, 0.18);
}

.card-img {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
}

.card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.4s var(--ease);
}

.card:hover .card-img img { transform: scale(1.06); }

.card-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--gold);
  color: #fff;
  padding: 6px 12px;
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  z-index: 2;
  font-weight: 500;
}

.card-num {
  position: absolute;
  bottom: 16px;
  right: 18px;
  color: #fff;
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: 36px;
  font-weight: 300;
  line-height: 1;
  opacity: 0.6;
  z-index: 2;
}

.card-body {
  padding: 24px 24px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-body h3 {
  font-family: var(--font-serif-cn);
  font-weight: 400;
  font-size: 22px;
  letter-spacing: 0.1em;
  color: var(--ink-1);
  margin-bottom: 6px;
}

.card-body .en {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.15em;
  color: var(--ink-3);
  margin-bottom: 12px;
}

.card-body .tagline {
  font-family: var(--font-serif-cn);
  font-size: 13px;
  letter-spacing: 0.15em;
  color: var(--gold-deep);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 16px;
  flex: 1;
}

.card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-bottom .price-from {
  font-family: var(--font-serif-en);
  font-size: 22px;
  color: var(--gold-deep);
  letter-spacing: 0.05em;
}

.card-bottom .price-from small {
  font-family: var(--font-sans-cn);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.2em;
  margin-right: 4px;
}

.card-bottom .card-arrow {
  display: inline-flex;
  align-items: center;
  color: var(--ink-3);
  transition: color var(--t-fast), transform var(--t-fast);
}

.card:hover .card-arrow {
  color: var(--gold-deep);
  transform: translateX(4px);
}

.card-gift {
  margin-top: 12px;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--gold-deep);
  font-family: var(--font-serif-cn);
}

/* ==========================================================
   关于页 · 章节
   ========================================================== */

.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: clamp(540px, 80vh, 760px);
}

.about-split.reverse { direction: rtl; }
.about-split.reverse > * { direction: ltr; }

.about-split .img {
  background-size: cover;
  background-position: center;
  position: relative;
}

.about-split .img::after {
  content: '';
  position: absolute;
  inset: clamp(16px, 1.8vw, 24px);
  border: 1px solid rgba(255, 255, 255, 0.45);
}

.about-split .body {
  padding: clamp(50px, 8vw, 100px) clamp(30px, 6vw, 90px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--bg-base);
}

.about-split.dark .body { background: var(--bg-warm); }

.about-split .body .eyebrow { margin-bottom: 24px; }

.about-split .body h2 {
  font-family: var(--font-serif-cn);
  font-weight: 300;
  font-size: clamp(32px, 4vw, 50px);
  letter-spacing: 0.1em;
  color: var(--ink-1);
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
  line-height: 1.25;
}

.about-split .body p {
  font-size: clamp(14px, 1.1vw, 16px);
  color: var(--ink-2);
  line-height: 2;
  letter-spacing: 0.04em;
  max-width: 540px;
}

.about-cta-band {
  background: var(--bg-deep);
  color: #fff;
  text-align: center;
  padding: clamp(60px, 8vw, 100px) var(--pad-x);
}

.about-cta-band h2 {
  font-family: var(--font-serif-cn);
  font-weight: 300;
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: 0.15em;
  margin-bottom: 32px;
  color: #fff;
}

/* ==========================================================
   联系页
   ========================================================== */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  min-height: clamp(620px, 85vh, 820px);
}

.contact-info {
  padding: clamp(60px, 8vw, 110px) clamp(30px, 6vw, 90px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--bg-base);
}

.contact-info .item {
  margin-bottom: 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.contact-info .item:last-child { border: none; margin-bottom: 0; }

.contact-info .label {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

.contact-info .value {
  font-family: var(--font-serif-cn);
  font-weight: 300;
  font-size: clamp(18px, 1.7vw, 24px);
  color: var(--ink-1);
  letter-spacing: 0.08em;
}

.contact-info .value .sub {
  display: block;
  font-family: var(--font-sans-cn);
  font-size: 13px;
  color: var(--ink-2);
  margin-top: 6px;
  letter-spacing: 0.05em;
}

.contact-form-side {
  background: var(--bg-warm);
  padding: clamp(60px, 8vw, 110px) clamp(30px, 6vw, 90px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-form-side h3 {
  font-family: var(--font-serif-cn);
  font-weight: 300;
  font-size: clamp(28px, 3.5vw, 40px);
  letter-spacing: 0.1em;
  color: var(--ink-1);
  margin-bottom: 10px;
}

.contact-form-side .form-sub {
  font-size: 13px;
  color: var(--ink-2);
  letter-spacing: 0.08em;
  margin-bottom: 36px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}

.form-field {
  display: flex;
  flex-direction: column;
}

.form-field label {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 8px;
}

.form-field input,
.form-field select,
.form-field textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--ink-mute);
  padding: 10px 0;
  font-family: var(--font-sans-cn);
  font-size: 14px;
  color: var(--ink-1);
  letter-spacing: 0.05em;
  transition: border-color var(--t-fast) var(--ease);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-bottom-color: var(--gold);
}

.form-field textarea {
  min-height: 90px;
  resize: vertical;
  font-family: var(--font-sans-cn);
}

.form-field.full { grid-column: 1 / -1; }

.form-success {
  display: none;
  padding: 14px 18px;
  background: var(--bg-paper);
  border-left: 2px solid var(--gold);
  font-size: 13px;
  color: var(--gold-deep);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}
.form-success.show { display: block; }

/* ==========================================================
   响应式
   ========================================================== */

@media (max-width: 1100px) {
  .grid-cards { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .grid-cards { grid-template-columns: repeat(2, 1fr); }
  .about-split,
  .about-split.reverse { grid-template-columns: 1fr; direction: ltr; min-height: auto; }
  .about-split .img { aspect-ratio: 5 / 4; min-height: 360px; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .grid-cards { grid-template-columns: 1fr; }
  .cat-tabs button { padding: 10px 18px; font-size: 12px; }
  .form-row { grid-template-columns: 1fr; gap: 14px; }
}