/* 全局重置 & 基础老钱底色 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  background:
    radial-gradient(circle at top left, rgba(164, 132, 93, 0.12), transparent 28%),
    linear-gradient(180deg, #f5f1eb 0%, #f0eadf 100%);
  color: #424242;
  font-family: "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.8;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 50px;
}
.section-wrap {
  padding: 70px 0;
}
.bg-light {
  background-color: #f9f7f2;
}

.media-showcase {
  padding: 12px 0 0;
}
.media-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 22px;
}
.media-card {
  position: relative;
  overflow: hidden;
  border-radius: 22px;
  background: #f1eadf;
  min-height: 300px;
  border: 1px solid rgba(123, 103, 76, 0.12);
  box-shadow: 0 18px 30px rgba(73, 61, 48, 0.08);
}
.media-card-lg {
  min-height: 360px;
}
.media-image {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
  transition: transform 0.4s ease;
}
.media-card:hover .media-image {
  transform: scale(1.08);
}
.media-image-1 {
  background-image: linear-gradient(rgba(22,17,13,0.18), rgba(22,17,13,0.32)), url('https://images.unsplash.com/photo-1522202176988-66273c2fd55f?auto=format&fit=crop&w=1200&q=80');
}
.media-image-2 {
  background-image: linear-gradient(rgba(27,24,20,0.18), rgba(27,24,20,0.3)), url('https://images.unsplash.com/photo-1501004318641-b39e6451bec6?auto=format&fit=crop&w=1200&q=80');
}
.media-image-3 {
  background-image: linear-gradient(rgba(20,22,23,0.18), rgba(20,22,23,0.3)), url('https://images.unsplash.com/photo-1576091160550-2173dba999ef?auto=format&fit=crop&w=1200&q=80');
}
.media-caption {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(20,18,16,0.38);
  backdrop-filter: blur(2px);
  color: #f5efe9;
}
.media-caption span {
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  opacity: 0.8;
}
.media-caption strong {
  font-family: "Times New Roman", serif;
  font-size: 24px;
  letter-spacing: 0.4px;
}

.feature-band {
  padding: 24px 0 0;
}
.feature-band-inner {
  display: grid;
  grid-template-columns: 1.8fr 0.9fr;
  gap: 18px;
  align-items: stretch;
}
.feature-panel {
  background: linear-gradient(135deg, rgba(255,255,255,0.78), rgba(245,239,231,0.92));
  border: 1px solid rgba(122, 104, 79, 0.12);
  border-radius: 20px;
  box-shadow: 0 16px 26px rgba(65, 53, 42, 0.05);
  overflow: hidden;
}
.feature-panel-main {
  padding: 24px 26px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.7), rgba(240,232,221,0.95)),
    radial-gradient(circle at top right, rgba(147, 111, 54, 0.10), transparent 26%);
}
.feature-label {
  display: inline-flex;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(140, 109, 49, 0.08);
  color: #8c6d31;
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 12px;
}
.feature-panel-main h3 {
  font-family: "Times New Roman", serif;
  font-size: clamp(26px, 2.6vw, 34px);
  color: #2c221b;
  line-height: 1.25;
  margin-bottom: 10px;
}
.feature-panel-main p {
  color: #4d4944;
  max-width: 620px;
  line-height: 1.75;
}
.feature-panel-side {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 16px 18px;
}
.feature-metric {
  font-family: "Times New Roman", serif;
  font-size: 46px;
  line-height: 1;
  color: #8c6d31;
  font-weight: 700;
}
.feature-panel-side span {
  display: block;
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #7a6a5d;
  margin-bottom: 4px;
}
.feature-panel-side strong {
  display: block;
  font-family: "Times New Roman", serif;
  font-size: 22px;
  color: #2f2722;
}

.journey-block {
  padding: 18px 0 8px;
}
.journey-shell {
  background: linear-gradient(135deg, #f6f1e8, #f0eadf);
  border: 1px solid rgba(123, 103, 76, 0.12);
  border-radius: 22px;
  padding: 26px 24px;
  box-shadow: 0 16px 24px rgba(73, 61, 48, 0.04);
}
.journey-head {
  margin-bottom: 20px;
}
.journey-head h2 {
  font-family: "Times New Roman", serif;
  font-size: clamp(26px, 2.8vw, 34px);
  color: #2b2119;
  line-height: 1.25;
}
.journey-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.journey-item {
  padding: 18px 18px 16px;
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(122, 104, 79, 0.12);
  border-radius: 16px;
}
.journey-num {
  display: inline-block;
  font-family: "Times New Roman", serif;
  font-size: 12px;
  color: #8c6d31;
  letter-spacing: 2px;
  margin-bottom: 10px;
  font-weight: 700;
}
.journey-item h4 {
  font-family: "Times New Roman", serif;
  font-size: 22px;
  color: #2f241d;
  margin-bottom: 6px;
}
.journey-item p {
  color: #4d4a47;
  line-height: 1.7;
}

.capability-strip {
  padding: 16px 0 8px;
}
.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.capability-item {
  background: linear-gradient(180deg, rgba(255,255,255,0.82), rgba(247,241,233,0.92));
  border: 1px solid rgba(122, 104, 79, 0.12);
  border-radius: 16px;
  padding: 20px 18px;
  box-shadow: 0 12px 22px rgba(74, 61, 46, 0.04);
}
.capability-index {
  display: inline-block;
  font-family: "Times New Roman", serif;
  font-size: 12px;
  color: #8c6d31;
  letter-spacing: 2px;
  margin-bottom: 14px;
  font-weight: 700;
}
.capability-item h4 {
  font-family: "Times New Roman", serif;
  font-size: 22px;
  color: #2d221b;
  margin-bottom: 6px;
}
.capability-item p {
  color: #4d4a47;
  line-height: 1.7;
}

.brand-values {
  padding: 30px 0 30px;
  margin-top: -8px;
}
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}
.value-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.72), rgba(246,240,232,0.9));
  border: 1px solid rgba(123, 103, 76, 0.12);
  border-radius: 20px;
  padding: 28px 22px 24px;
  box-shadow: 0 18px 32px rgba(75, 63, 52, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.value-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 38px rgba(75, 63, 52, 0.1);
  border-color: rgba(140, 109, 49, 0.22);
}
.value-index {
  display: inline-block;
  font-family: "Times New Roman", serif;
  font-size: 14px;
  letter-spacing: 2px;
  color: #8c6d31;
  margin-bottom: 18px;
  font-weight: 700;
}
.value-card h3 {
  font-family: "Times New Roman", serif;
  font-size: 26px;
  color: #2d241d;
  margin-bottom: 12px;
}
.value-card p {
  color: #4d4a47;
  line-height: 1.8;
}

.company-overview {
  padding: 14px 0 54px;
}
.overview-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 38px;
  align-items: center;
  background: linear-gradient(135deg, #f7f1e8, #f3efe7);
  border: 1px solid rgba(125, 104, 79, 0.12);
  border-radius: 22px;
  padding: 34px 36px;
}
.eyebrow {
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #8a6d38;
  margin-bottom: 12px;
  font-weight: 700;
}
.overview-copy h2 {
  font-family: "Times New Roman", serif;
  font-size: clamp(28px, 3vw, 40px);
  color: #2b2119;
  margin-bottom: 18px;
  line-height: 1.2;
}
.overview-copy p {
  color: #4b443d;
  line-height: 1.9;
}
.overview-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.stat-item {
  background: rgba(255,255,255,0.55);
  border: 1px solid rgba(112, 96, 76, 0.08);
  border-radius: 16px;
  padding: 20px 14px;
  text-align: center;
}
.stat-value {
  display: block;
  font-family: "Times New Roman", serif;
  font-size: 34px;
  color: #312c27;
  margin-bottom: 8px;
}
.stat-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.8px;
  color: #5e574f;
}

.cta-band {
  padding: 8px 0 18px;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: linear-gradient(135deg, #332b25, #201b18);
  border-radius: 22px;
  padding: 32px 36px;
  box-shadow: 0 24px 42px rgba(42, 33, 27, 0.15);
}
.brand-cta-eyebrow {
  color: rgba(244, 239, 233, 0.7);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 12px;
  margin-bottom: 8px;
}
.cta-inner h3 {
  color: #f6f0e8;
  font-family: "Times New Roman", serif;
  font-size: clamp(24px, 2.6vw, 36px);
  max-width: 640px;
  line-height: 1.3;
}
.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 180px;
  padding: 14px 22px;
  border-radius: 999px;
  text-decoration: none;
  color: #201b18;
  background: linear-gradient(135deg, #e8d9b3, #c9a863);
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 20px rgba(201, 168, 99, 0.24);
}

.site-footer {
  background: #261f1b;
  color: #f4efe9;
  padding: 42px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
}
.footer-brand {
  font-family: "Times New Roman", serif;
  font-size: 32px;
  margin-bottom: 12px;
  color: #f6f0e8;
}
.footer-note {
  max-width: 520px;
  color: rgba(244, 239, 233, 0.8);
  line-height: 1.8;
}
.footer-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  width: min(100%, 600px);
}
.footer-meta-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 14px;
  border-left: 1px solid rgba(255,255,255,0.14);
}
.meta-label {
  color: rgba(255,255,255,0.72);
  font-size: 12px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}
.meta-value {
  color: #f8f5f2;
  line-height: 1.6;
}

/* 顶部导航 */
.site-header {
  padding: 30px 0 20px;
  border-bottom: 1px solid rgba(111, 95, 77, 0.2);
  background: rgba(255, 255, 255, 0.68);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 20;
  box-shadow: 0 8px 18px rgba(71, 58, 44, 0.04);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.header-brand {
  font-family: "Times New Roman", serif;
  font-size: 36px;
  font-weight: 700;
  color: #402818;
  letter-spacing: 1.8px;
  padding-right: 32px;
  border-right: 1px solid rgba(111, 95, 77, 0.4);
  white-space: nowrap;
}
.header-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 38px;
  flex: 1;
}
.nav-item {
  font-family: "Times New Roman", serif;
  font-size: 19px;
  color: #2d241d;
  text-decoration: none;
  position: relative;
  letter-spacing: 0.2px;
  font-weight: 600;
  transition: color 0.2s ease, transform 0.2s ease;
  opacity: 0.8;
}
.nav-item::after {
  content: "";
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #8c6d31, #d8b777);
  position: absolute;
  left: 0;
  bottom: -8px;
  transition: width 0.3s ease;
  border-radius: 2px;
}
.nav-item:hover,
.nav-item.is-active {
  color: #8c6d31;
  opacity: 1;
  transform: translateY(-1px);
}
.nav-item:hover::after,
.nav-item.is-active::after {
  width: 100%;
}
.lang-toggle {
  border: 1px solid rgba(130, 121, 107, 0.8);
  background: linear-gradient(180deg, rgba(255,255,255,0.7), rgba(243,239,233,0.7));
  padding: 10px 20px;
  min-width: 118px;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 12px;
  letter-spacing: 1.2px;
  font-weight: 600;
  text-transform: uppercase;
  cursor: pointer;
  color: #2f2a25;
  transition: all 0.25s ease;
  border-radius: 999px;
  box-shadow: 0 2px 8px rgba(70, 58, 43, 0.08), inset 0 0 0 1px rgba(130,121,107,0.12);
}
.lang-toggle:hover {
  background: linear-gradient(180deg, #3c362d, #2d2925);
  color: #f4efe9;
  border-color: #3c362d;
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(60, 54, 45, 0.18);
}

/* 首页横幅 */
.hero-banner {
  position: relative;
  padding: 82px 0 78px;
  text-align: center;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.2), rgba(149,129,103,0.06)),
    radial-gradient(circle at top, rgba(104, 76, 44, 0.08), transparent 42%);
  overflow: hidden;
}
.hero-banner::before {
  content: "";
  position: absolute;
  inset: 18% auto auto 8%;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(140, 109, 49, 0.06);
  filter: blur(12px);
}
.hero-banner::after {
  content: "";
  position: absolute;
  right: 8%;
  bottom: 10%;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 1px solid rgba(140, 109, 49, 0.12);
}
.hero-kicker {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(140, 109, 49, 0.08);
  border: 1px solid rgba(140, 109, 49, 0.12);
  color: #8c6d31;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 18px;
}
.hero-title {
  position: relative;
  z-index: 1;
  font-family: "Times New Roman", serif;
  font-size: clamp(34px, 4vw, 54px);
  color: #201a16;
  margin-bottom: 18px;
  letter-spacing: 1.4px;
  line-height: 1.12;
  text-shadow: 0 1px 0 rgba(255,255,255,0.4);
}
.hero-desc {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
  color: #555;
  font-size: 17px;
  line-height: 1.9;
}

/* 通用大标题 */
.section-main-title {
  font-family: "Times New Roman", serif;
  font-size: clamp(28px, 3vw, 38px);
  color: #2c2116;
  margin-bottom: 40px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(130, 112, 88, 0.34);
  letter-spacing: 0.8px;
}

/* ========== 公司区块样式【核心：名称一行，经营范围紧跟下一行】 ========== */
.firm-wrapper {
  display: flex;
  flex-direction: column;
  gap: 48px;
}
/* 每个业务板块大分组 */
.firm-group-block {
  padding-bottom: 30px;
  border-bottom: 1px dashed #d1c8b8;
}
.firm-group-title {
  font-family: "Times New Roman", serif;
  font-size: 23px;
  color: #473524;
  margin-bottom: 22px;
  padding-left: 12px;
  border-left: 3px solid #8c6d31;
}
/* 单家公司容器 */
.single-firm-item {
  margin-bottom: 20px;
  padding-left: 10px;
}
/* 中文公司名称样式 */
.cn-firm-name {
  font-family: SimSun, serif;
  font-size: 19px;
  font-weight: bold;
  color: #402818;
  letter-spacing: 0.7px;
  display: block;
}
/* 外文公司名称样式 */
.en-firm-name {
  font-family: "Times New Roman", serif;
  font-size: 18px;
  font-weight: 600;
  color: #573f2e;
  letter-spacing: 0.9px;
  display: block;
}
/* 经营范围：名称下一行，缩进弱化显示 */
.firm-scope-text {
  color: #545454;
  font-size: 15.5px;
  padding-left: 14px;
  margin-top: 4px;
  line-height: 1.75;
}

/* 集团总业务卡片 */
.biz-wrapper {
  display: flex;
  flex-direction: column;
  gap: 26px;
}
.biz-card {
  padding: 28px 32px;
  background: linear-gradient(180deg, #fffdfb, #f8f2ea);
  border-left: 4px solid #8c6d31;
  box-shadow: 0 2px 12px rgba(80,65,40,0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.biz-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(80,65,40,0.08);
}
.biz-card h4 {
  font-family: "Times New Roman", serif;
  font-size: 22px;
  color: #3c362d;
  margin-bottom: 10px;
  letter-spacing: 0.4px;
}
.biz-card p {
  color: #505050;
}

/* 全球网络列表 */
.global-list li {
  list-style: none;
  margin: 18px 0;
  padding-left: 16px;
  position: relative;
  color: #3a3a3a;
}
.global-list li::before {
  content: "—";
  color: #8c6d31;
  position: absolute;
  left: 0;
}

/* 底部理念文本 */
.vision-text {
  font-size: 17px;
  color: #444;
  line-height: 1.9;
  text-indent: 2em;
  max-width: 1000px;
}

/* 多页版通用页面样式 */
.page-shell {
  padding: 54px 0 0;
}
.page-title {
  font-family: "Times New Roman", serif;
  font-size: clamp(32px, 3vw, 46px);
  color: #2b2119;
  margin-bottom: 14px;
  letter-spacing: 0.8px;
}
.page-summary {
  max-width: 820px;
  color: #4b443d;
  font-size: 17px;
  line-height: 1.9;
}
.info-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
}
.info-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,0.8), rgba(248,243,236,0.9));
  border: 1px solid rgba(130, 112, 88, 0.14);
  box-shadow: 0 10px 24px rgba(72, 61, 49, 0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.info-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 28px rgba(72, 61, 49, 0.08);
}
.info-label {
  font-size: 12px;
  color: #8a6d38;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.info-card strong {
  font-size: 20px;
  color: #2d241d;
  font-weight: 700;
}
.contact-wrapper {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 28px;
  align-items: start;
}
.contact-card {
  background: linear-gradient(135deg, #f8f3eb, #f3eee7);
  border: 1px solid rgba(130, 112, 88, 0.12);
  border-radius: 22px;
  padding: 30px 28px;
  box-shadow: 0 18px 30px rgba(76, 63, 52, 0.04);
}
.contact-card h1 {
  font-family: "Times New Roman", serif;
  font-size: clamp(30px, 3vw, 46px);
  color: #2b2119;
  margin-bottom: 12px;
}
.contact-card p {
  color: #4d4a47;
  line-height: 1.9;
}
.contact-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.contact-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(248,244,238,0.92));
  border: 1px solid rgba(130, 112, 88, 0.08);
  box-shadow: 0 10px 18px rgba(66, 55, 44, 0.03);
}
.contact-label {
  font-size: 12px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: #8a6d38;
}
.contact-value {
  color: #2b2119;
  font-size: 18px;
  font-weight: 600;
}

@media (max-width: 900px) {
  .header-inner,
  .footer-inner,
  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-brand {
    border-right: none;
    padding-right: 0;
  }

  .header-nav {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 18px 26px;
  }

  .overview-inner {
    grid-template-columns: 1fr;
  }

  .footer-meta {
    width: 100%;
    grid-template-columns: 1fr;
  }

  .info-grid,
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 20px;
  }

  .hero-banner {
    padding-top: 56px;
    padding-bottom: 54px;
  }

  .value-grid,
  .overview-stats,
  .media-grid,
  .feature-band-inner,
  .capability-grid,
  .journey-grid {
    grid-template-columns: 1fr;
  }

  .media-card,
  .media-card-lg {
    min-height: 280px;
  }

  .feature-panel-side {
    justify-content: flex-start;
  }

  .site-header {
    padding-top: 24px;
  }

  .header-nav {
    gap: 12px 18px;
  }

  .nav-item {
    font-size: 17px;
  }

  .lang-toggle {
    min-width: 96px;
    padding: 8px 14px;
  }

  .cta-inner {
    padding: 24px 20px;
  }

  .footer-meta-item {
    border-left: none;
    border-top: 1px solid rgba(255,255,255,0.14);
    padding-left: 0;
    padding-top: 12px;
  }
}