/* =========================================================
   天驰君泰 · 执破一体团队官网 全局样式
   主色：#172385（藏青蓝）  辅色：#BDAB72（香槟金）
   ========================================================= */

:root {
  --color-primary: #172385;
  --color-primary-dark: #101a5e;
  --color-primary-light: #eef0fb;
  --color-gold: #bdab72;
  --color-gold-light: #f5f1e6;
  --color-text: #333;
  --color-text-weak: #666;
  --color-text-faint: #999;
  --color-border: #e6e6e6;
  --color-bg: #ffffff;
  --color-bg-soft: #f7f8fc;
  --nav-height: 72px;
  --max-width: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--color-text);
  line-height: 1.8;
  background: var(--color-bg);
  font-size: 16px;
}

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

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-gold); }

ul { list-style: none; }

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

/* ---------- 顶部固定导航 ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: #ffffff;
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
}

.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 44px;
}

.nav-logo img { height: 44px; width: auto; }

.nav-logo .logo-sub {
  font-size: 13px;
  color: var(--color-text-weak);
  border-left: 1px solid var(--color-border);
  padding-left: 12px;
  letter-spacing: 1px;
  white-space: nowrap;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-menu a {
  display: block;
  padding: 10px 18px;
  font-size: 15px;
  color: var(--color-text);
  position: relative;
  letter-spacing: 1px;
}

.nav-menu a:hover { color: var(--color-primary); }

.nav-menu a.active {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-menu a.active::after {
  content: "";
  position: absolute;
  left: 18px; right: 18px; bottom: 2px;
  height: 2px;
  background: var(--color-gold);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 26px;
  color: var(--color-primary);
  cursor: pointer;
  line-height: 1;
}

main { padding-top: var(--nav-height); min-height: calc(100vh - var(--nav-height)); }

/* ---------- 通用区块 ---------- */
.section { padding: 72px 0; }
.section.alt { background: var(--color-bg-soft); }

.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title .en {
  display: block;
  font-size: 13px;
  letter-spacing: 4px;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section-title h2 {
  font-size: 32px;
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: 2px;
}

.section-title .divider {
  width: 48px;
  height: 3px;
  background: var(--color-gold);
  margin: 18px auto 0;
}

/* ---------- 首页首屏 ---------- */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, #2a3aa8 100%);
  color: #fff;
  padding: 120px 0 110px;
  text-align: center;
}

.hero .hero-brand {
  display: inline-block;
  font-size: 15px;
  letter-spacing: 6px;
  color: var(--color-gold);
  border: 1px solid rgba(189, 171, 114, 0.55);
  padding: 8px 28px;
  margin-bottom: 36px;
}

.hero h1 {
  font-size: 44px;
  font-weight: 700;
  letter-spacing: 6px;
  margin-bottom: 20px;
}

.hero .hero-sub {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 2px;
  margin-bottom: 48px;
}

.hero .hero-slogan {
  font-size: 14px;
  color: var(--color-gold);
  letter-spacing: 3px;
}

/* 数据卡片 */
.stats {
  margin-top: -56px;
  position: relative;
  z-index: 5;
}

.stats .stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  background: #fff;
  border-top: 3px solid var(--color-gold);
  box-shadow: 0 6px 24px rgba(23, 35, 133, 0.10);
  padding: 32px 20px;
  text-align: center;
}

.stat-card .num {
  font-size: 40px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

.stat-card .num small { font-size: 20px; margin-left: 2px; }

.stat-card .label {
  margin-top: 8px;
  font-size: 14px;
  color: var(--color-text-weak);
  letter-spacing: 2px;
}

/* ---------- 关于/简介 ---------- */
.intro-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.intro-text h3 {
  font-size: 24px;
  color: var(--color-primary);
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.intro-text p {
  color: var(--color-text-weak);
  margin-bottom: 16px;
  text-align: justify;
}

.intro-text .motto {
  color: var(--color-gold);
  font-weight: 600;
  letter-spacing: 2px;
}

.intro-img img {
  width: 100%;
  border: 1px solid var(--color-border);
  box-shadow: 12px 12px 0 var(--color-primary-light);
}

/* ---------- 荣誉列表 ---------- */
.honor-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.honor-list li {
  position: relative;
  padding: 14px 0 14px 28px;
  border-bottom: 1px dashed var(--color-border);
  color: var(--color-text-weak);
  font-size: 15px;
}

.honor-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 24px;
  width: 8px; height: 8px;
  background: var(--color-gold);
  transform: rotate(45deg);
}

.qual-list {
  margin-top: 28px;
  background: var(--color-primary);
  color: #fff;
  padding: 28px 32px;
}

.qual-list h4 {
  color: var(--color-gold);
  letter-spacing: 2px;
  margin-bottom: 12px;
  font-size: 17px;
}

.qual-list li {
  font-size: 14px;
  padding: 6px 0 6px 20px;
  position: relative;
  color: rgba(255, 255, 255, 0.88);
}

.qual-list li::before {
  content: "◆";
  position: absolute;
  left: 0;
  font-size: 9px;
  color: var(--color-gold);
  top: 11px;
}

/* ---------- 业务板块 ---------- */
.biz-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.biz-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-primary);
  padding: 36px 28px;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.biz-card:hover {
  box-shadow: 0 10px 30px rgba(23, 35, 133, 0.12);
  transform: translateY(-4px);
}

.biz-card .biz-no {
  font-size: 13px;
  color: var(--color-gold);
  letter-spacing: 3px;
  margin-bottom: 12px;
}

.biz-card h3 {
  font-size: 20px;
  color: var(--color-primary);
  margin-bottom: 14px;
  letter-spacing: 1px;
}

.biz-card p {
  font-size: 14px;
  color: var(--color-text-weak);
  text-align: justify;
}

/* 服务范围表 */
.scope-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 14px;
}

.scope-table th, .scope-table td {
  border: 1px solid var(--color-border);
  padding: 14px 18px;
  text-align: left;
  vertical-align: top;
}

.scope-table th {
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  letter-spacing: 1px;
  white-space: nowrap;
  width: 140px;
}

.scope-table td { color: var(--color-text-weak); }

.scope-table tr:nth-child(even) td { background: var(--color-bg-soft); }

/* ---------- 团队优势 ---------- */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.adv-card {
  background: #fff;
  border: 1px solid var(--color-border);
  padding: 32px 24px;
  text-align: center;
}

.adv-card .adv-idx {
  width: 44px; height: 44px;
  line-height: 44px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 18px;
}

.adv-card h4 {
  color: var(--color-primary);
  font-size: 17px;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.adv-card p {
  font-size: 13.5px;
  color: var(--color-text-weak);
  text-align: left;
}

/* ---------- 核心团队简表 ---------- */
.team-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: 14.5px;
}

.team-table th, .team-table td {
  border: 1px solid var(--color-border);
  padding: 12px 16px;
  text-align: left;
}

.team-table th {
  background: var(--color-primary);
  color: #fff;
  letter-spacing: 1px;
  font-weight: 600;
  white-space: nowrap;
}

.team-table td { color: var(--color-text-weak); }
.team-table td:first-child { color: var(--color-primary); font-weight: 600; }
.team-table tr:hover td { background: var(--color-gold-light); }

.table-note {
  margin-top: 16px;
  font-size: 13px;
  color: var(--color-text-faint);
  text-align: right;
}

/* ---------- 标杆案例卡片 ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  background: #fff;
  border: 1px solid var(--color-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.case-card:hover {
  box-shadow: 0 10px 30px rgba(23, 35, 133, 0.12);
  transform: translateY(-4px);
}

.case-card .case-img {
  height: 180px;
  overflow: hidden;
  background: var(--color-primary-light);
}

.case-card .case-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.case-card .case-body {
  padding: 22px 24px 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.case-card .case-tag {
  font-size: 12px;
  color: var(--color-gold);
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.case-card h3 {
  font-size: 17px;
  color: var(--color-primary);
  margin-bottom: 10px;
  line-height: 1.5;
}

.case-card p {
  font-size: 13.5px;
  color: var(--color-text-weak);
  flex: 1;
}

.case-card .case-data {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--color-border);
  font-size: 13px;
  color: var(--color-text-weak);
}

.case-card .case-data strong { color: var(--color-gold); }

/* ---------- 客户墙 ---------- */
.clients-wall {
  background: #fff;
  border: 1px solid var(--color-border);
  padding: 24px;
}

.clients-wall img { width: 100%; }

/* ---------- 联系板块 ---------- */
.contact-band {
  background: linear-gradient(120deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  padding: 64px 0;
}

.contact-band .container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.contact-band h2 {
  font-size: 26px;
  letter-spacing: 2px;
  margin-bottom: 16px;
  color: #fff;
}

.contact-band p { color: rgba(255, 255, 255, 0.82); font-size: 15px; }

.contact-band .contact-info {
  border-left: 3px solid var(--color-gold);
  padding-left: 28px;
  font-size: 15px;
}

.contact-band .contact-info .row { margin-bottom: 14px; }
.contact-band .contact-info .k { color: var(--color-gold); letter-spacing: 2px; margin-bottom: 2px; font-size: 13px; }
.contact-band .contact-info .v { color: #fff; font-size: 17px; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 48px 0 24px;
  font-size: 13.5px;
}

.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.site-footer h5 {
  color: var(--color-gold);
  letter-spacing: 2px;
  font-size: 14px;
  margin-bottom: 14px;
}

.site-footer .footer-brand { font-size: 18px; color: #fff; letter-spacing: 2px; margin-bottom: 6px; }
.site-footer .footer-brand-en { color: var(--color-gold); font-size: 12px; letter-spacing: 3px; margin-bottom: 14px; }

.site-footer li { margin-bottom: 8px; }

.site-footer a { color: rgba(255, 255, 255, 0.75); }
.site-footer a:hover { color: var(--color-gold); }

.site-footer .copyright {
  padding-top: 20px;
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 12.5px;
  line-height: 2;
}

/* ---------- 内页页头 ---------- */
.page-hero {
  background: linear-gradient(rgba(16, 26, 94, 0.94), rgba(23, 35, 133, 0.9));
  background-color: var(--color-primary);
  color: #fff;
  padding: 64px 0;
  text-align: center;
}

.page-hero .en {
  font-size: 13px;
  letter-spacing: 5px;
  color: var(--color-gold);
  text-transform: uppercase;
  display: block;
  margin-bottom: 10px;
}

.page-hero h1 {
  font-size: 34px;
  letter-spacing: 4px;
}

.page-hero .crumb {
  margin-top: 14px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

.page-hero .crumb a { color: rgba(255, 255, 255, 0.7); }
.page-hero .crumb a:hover { color: var(--color-gold); }

/* ---------- 筹备页 ---------- */
.coming-soon {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}

.coming-soon .inner { text-align: center; }

.coming-soon .icon {
  width: 72px; height: 72px;
  margin: 0 auto 28px;
  border-radius: 50%;
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
  font-size: 30px;
  line-height: 72px;
}

.coming-soon p {
  font-size: 22px;
  color: var(--color-text-weak);
  letter-spacing: 4px;
}

/* ---------- 上海团队页 ---------- */
.member-card {
  background: #fff;
  border: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: 280px 1fr;
  margin-bottom: 32px;
  overflow: hidden;
}

.member-card .photo {
  background: #f4f6fd;
  min-height: 330px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}

/* 完整显示人物照片，不做裁切 */
.member-card .photo img {
  width: 100%;
  height: 330px;
  object-fit: contain;
  object-position: center;
}

.member-card .photo.no-photo {
  display: flex;
  align-items: center;
  justify-content: center;
}

.member-card .photo .initial {
  width: 120px; height: 120px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-gold);
  font-size: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0;
}

.member-card .member-body { padding: 36px 40px; }

.member-card .member-name {
  font-size: 26px;
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: 2px;
}

.member-card .member-title {
  color: var(--color-gold);
  font-size: 14px;
  letter-spacing: 1px;
  margin: 6px 0 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.member-card dl {
  display: grid;
  grid-template-columns: 88px 1fr;
  row-gap: 10px;
  font-size: 14.5px;
  margin-bottom: 18px;
}

.member-card dt { color: var(--color-primary); font-weight: 600; }
.member-card dd { color: var(--color-text-weak); }

.member-card .member-desc {
  font-size: 14.5px;
  color: var(--color-text-weak);
  text-align: justify;
}

.member-card .member-desc p { margin-bottom: 10px; }

.member-card .member-cases li {
  font-size: 13.5px;
  color: var(--color-text-weak);
  padding: 5px 0 5px 18px;
  position: relative;
}

.member-card .member-cases li::before {
  content: "";
  position: absolute;
  left: 0; top: 13px;
  width: 6px; height: 6px;
  background: var(--color-gold);
  transform: rotate(45deg);
}

.member-card h6 {
  color: var(--color-primary);
  font-size: 15px;
  letter-spacing: 1px;
  margin: 14px 0 6px;
}

/* ---------- 案例详情页 ---------- */
.case-detail {
  background: #fff;
  border: 1px solid var(--color-border);
  margin-bottom: 48px;
}

.case-detail .case-head {
  padding: 32px 40px 24px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: baseline;
  gap: 20px;
  flex-wrap: wrap;
}

.case-detail .case-no {
  font-size: 15px;
  color: var(--color-gold);
  letter-spacing: 3px;
}

.case-detail h2 {
  font-size: 24px;
  color: var(--color-primary);
  letter-spacing: 1px;
}

.case-detail .case-media-src {
  width: 100%;
  font-size: 13px;
  color: var(--color-text-faint);
}

.case-detail .case-content {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 40px;
  padding: 32px 40px 40px;
}

.case-detail .case-text h4 {
  color: var(--color-primary);
  font-size: 17px;
  letter-spacing: 2px;
  margin: 18px 0 8px;
}

.case-detail .case-text h4:first-child { margin-top: 0; }

.case-detail .case-text p {
  font-size: 14.5px;
  color: var(--color-text-weak);
  text-align: justify;
  margin-bottom: 12px;
}

.case-detail .case-quote {
  margin-top: 20px;
  background: var(--color-gold-light);
  border-left: 3px solid var(--color-gold);
  padding: 18px 22px;
  font-size: 14px;
  color: var(--color-text-weak);
}

.case-detail .case-quote .src {
  margin-top: 8px;
  font-size: 12.5px;
  color: var(--color-text-faint);
}

.case-detail .case-side img {
  width: 100%;
  border: 1px solid var(--color-border);
}

.case-detail .case-side .caption {
  font-size: 12.5px;
  color: var(--color-text-faint);
  margin-top: 8px;
  text-align: center;
}

.case-detail .case-side .key-data {
  margin-top: 24px;
  background: var(--color-bg-soft);
  padding: 20px 24px;
}

.case-detail .case-side .key-data h5 {
  color: var(--color-primary);
  font-size: 14px;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.case-detail .case-side .key-data li {
  font-size: 13.5px;
  color: var(--color-text-weak);
  padding: 5px 0 5px 16px;
  position: relative;
}

.case-detail .case-side .key-data li::before {
  content: "";
  position: absolute;
  left: 0; top: 13px;
  width: 6px; height: 6px;
  background: var(--color-gold);
  transform: rotate(45deg);
}

/* ---------- 联系页 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 40px;
  align-items: start;
}

.contact-card {
  background: linear-gradient(160deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  padding: 44px 36px;
}

.contact-card .card-tag {
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--color-gold);
  margin-bottom: 10px;
}

.contact-card h3 {
  color: #fff;
  letter-spacing: 2px;
  font-size: 24px;
  margin-bottom: 8px;
}

.contact-card .card-note {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.contact-card .row { margin-bottom: 22px; }
.contact-card .k { font-size: 12.5px; color: var(--color-gold); letter-spacing: 2px; margin-bottom: 4px; }
.contact-card .v { font-size: 18px; line-height: 1.6; }
.contact-card .v a { color: #fff; }
.contact-card .v a:hover { color: var(--color-gold); }
.contact-card .v-tel { font-size: 26px; letter-spacing: 1px; font-weight: 600; }

.office-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.office-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-gold);
  padding: 24px 28px;
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 20px;
  align-items: center;
  transition: box-shadow 0.25s ease;
}

.office-card:hover { box-shadow: 0 8px 24px rgba(23, 35, 133, 0.10); }

.office-card .city {
  font-size: 19px;
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: 2px;
}

.office-card .city small {
  display: block;
  font-size: 11.5px;
  letter-spacing: 2px;
  color: var(--color-gold);
  font-weight: 400;
  margin-top: 4px;
}

.office-card .addr {
  font-size: 14px;
  color: var(--color-text-weak);
  line-height: 1.7;
}

.office-card .tel {
  font-size: 18px;
  color: var(--color-primary);
  white-space: nowrap;
  font-weight: 600;
}

.notice-bar {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  padding: 28px 32px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.notice-bar .item h5 {
  font-size: 15px;
  color: var(--color-primary);
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.notice-bar .item h5::before {
  content: "◆";
  color: var(--color-gold);
  font-size: 10px;
  margin-right: 8px;
}

.notice-bar .item p {
  font-size: 13.5px;
  color: var(--color-text-weak);
  line-height: 1.8;
}

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .stats .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .biz-grid, .case-grid { grid-template-columns: 1fr 1fr; }
  .adv-grid { grid-template-columns: 1fr 1fr; }
  .intro-grid, .honor-grid, .contact-band .container, .contact-grid { grid-template-columns: 1fr; }
  .notice-bar { grid-template-columns: 1fr; }
  .office-card { grid-template-columns: 100px 1fr; }
  .office-card .tel { grid-column: 2; }
  .case-detail .case-content { grid-template-columns: 1fr; }
  .site-footer .footer-grid { grid-template-columns: 1fr; }
  .member-card { grid-template-columns: 1fr; }
  .member-card .photo { min-height: 320px; }
}

@media (max-width: 640px) {
  .nav-toggle { display: block; }
  .nav-logo .logo-sub { display: none; }
  .nav-menu {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { width: 100%; text-align: center; padding: 14px 0; border-top: 1px solid var(--color-border); }
  .hero h1 { font-size: 28px; letter-spacing: 3px; }
  .biz-grid, .case-grid, .adv-grid { grid-template-columns: 1fr; }
  .scope-table th, .scope-table td { display: block; width: 100%; }
}