/* ========================================
   北京维森影视文化传媒有限公司 - 官网样式
   设计风格：Apollo 温暖专业
   ======================================== */

:root {
  /* 颜色 */
  --color-earth-umber: #3c261c;
  --color-terracotta-flame: #FF6A00;
  --color-deep-violet: #4a43dd;
  --color-pale-ochre: #f7efc5;
  --color-platinum-frost: #dddedf;
  --color-jet-black: #000000;
  --color-warm-linen: #f9f8f0;
  --color-peach-cream: #ffffff;

  /* 排版 — 字体族 */
  --font-monasans: 'MonaSans', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-paradigm-pro: 'paradigm-pro', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* 排版 — 比例 */
  --text-caption: 12px;
  --leading-caption: 1.5;
  --tracking-caption: 0.36px;
  --text-body-sm: 14px;
  --leading-body-sm: 1.5;
  --tracking-body-sm: 0.42px;
  --text-body: 18px;
  --leading-body: 1.49;
  --tracking-body: 0.54px;
  --text-subheading: 20px;
  --leading-subheading: 1.42;
  --tracking-subheading: 0.6px;
  --text-heading-sm: 32px;
  --leading-heading-sm: 1.35;
  --tracking-heading-sm: 0.96px;
  --text-heading: 36px;
  --leading-heading: 1.17;
  --tracking-heading: 1.08px;
  --text-display: 47px;
  --leading-display: 0.97;
  --tracking-display: 3.76px;

  /* 排版 — 字重 */
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* 间距 */
  --spacing-10: 10px;
  --spacing-14: 14px;
  --spacing-17: 17px;
  --spacing-18: 18px;
  --spacing-20: 20px;
  --spacing-23: 23px;
  --spacing-30: 30px;
  --spacing-34: 34px;
  --spacing-40: 40px;
  --spacing-45: 45px;
  --spacing-60: 60px;
  --spacing-68: 68px;
  --spacing-90: 90px;

  /* 布局 */
  --section-gap: 68px;
  --card-padding: 45px;
  --element-gap: 20px;
  --max-width: 1200px;

  /* 圆角 */
  --radius-sm: 3px;
  --radius-cards: 3px;
  --radius-images: 3px;
  --radius-buttons: 3px;
  --radius-navitems: 3px;

  /* 表面 */
  --surface-warm-linen-canvas: #f9f8f0;
  --surface-earth-umber-panel: #3c261c;
}

/* ========================================
   重置与基础
   ======================================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: var(--text-body);
  line-height: var(--leading-body);
  letter-spacing: var(--tracking-body);
}

body {
  font-family: var(--font-monasans);
  font-weight: var(--font-weight-regular);
  color: var(--color-earth-umber);
  background-color: var(--color-warm-linen);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-earth-umber);
  text-decoration: none;
  font-weight: var(--font-weight-regular);
  transition: all 0.3s ease;
}

a:hover {
  text-decoration: underline;
}

ul, ol {
  list-style: none;
}

/* ========================================
   排版
   ======================================== */
.display-text {
  font-family: var(--font-paradigm-pro);
  font-weight: var(--font-weight-light);
  font-size: var(--text-display);
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-display);
}

.heading-text {
  font-family: var(--font-monasans);
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
}

.heading-sm-text {
  font-family: var(--font-monasans);
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-heading-sm);
  line-height: var(--leading-heading-sm);
  letter-spacing: var(--tracking-heading-sm);
}

.subheading-text {
  font-family: var(--font-monasans);
  font-weight: var(--font-weight-medium);
  font-size: var(--text-subheading);
  line-height: var(--leading-subheading);
  letter-spacing: var(--tracking-subheading);
}

.body-text {
  font-family: var(--font-monasans);
  font-weight: var(--font-weight-regular);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  letter-spacing: var(--tracking-body);
}

.body-sm-text {
  font-family: var(--font-monasans);
  font-weight: var(--font-weight-regular);
  font-size: var(--text-body-sm);
  line-height: var(--leading-body-sm);
  letter-spacing: var(--tracking-body-sm);
}

.caption-text {
  font-family: var(--font-monasans);
  font-weight: var(--font-weight-regular);
  font-size: var(--text-caption);
  line-height: var(--leading-caption);
  letter-spacing: var(--tracking-caption);
}

/* ========================================
   布局
   ======================================== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-40);
}

.section {
  padding: var(--section-gap) 0;
}

.section-separator {
  border-top: 1px solid var(--color-platinum-frost);
}

/* ========================================
   导航栏
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-warm-linen);
  border-bottom: 1px solid var(--color-platinum-frost);
  transition: all 0.3s ease;
}

.navbar.scrolled {
  box-shadow: 0 2px 8px rgba(60, 38, 28, 0.08);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-40);
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-14);
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-subheading);
  color: var(--color-earth-umber);
}

.navbar-logo img {
  width: 40px;
  height: 40px;
}

.navbar-logo-text {
  display: flex;
  flex-direction: column;
}

.navbar-logo-title {
  font-size: var(--text-body-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
}

.navbar-logo-subtitle {
  font-size: var(--text-caption);
  font-weight: var(--font-weight-regular);
  color: var(--color-earth-umber);
  opacity: 0.7;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-10);
}

.nav-link {
  padding: var(--spacing-17) var(--spacing-34);
  font-weight: var(--font-weight-medium);
  font-size: var(--text-body-sm);
  color: var(--color-earth-umber);
  border: 1px solid transparent;
  border-radius: var(--radius-navitems);
  transition: all 0.3s ease;
}

.nav-link:hover {
  border-color: var(--color-earth-umber);
  text-decoration: none;
}

.nav-link.active {
  border-color: var(--color-earth-umber);
}

.navbar-cta {
  display: flex;
  align-items: center;
}

.btn-primary {
  display: inline-block;
  padding: 22.5px 45px;
  background-color: var(--color-terracotta-flame);
  color: var(--color-peach-cream);
  font-family: var(--font-monasans);
  font-weight: var(--font-weight-regular);
  font-size: var(--text-body-sm);
  border: none;
  border-radius: var(--radius-buttons);
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
}

.btn-primary:hover {
  opacity: 0.9;
  text-decoration: none;
  color: var(--color-peach-cream);
}

.btn-secondary {
  display: inline-block;
  padding: var(--spacing-17) var(--spacing-34);
  background-color: transparent;
  color: var(--color-earth-umber);
  font-family: var(--font-monasans);
  font-weight: var(--font-weight-medium);
  font-size: var(--text-body-sm);
  border: 1px solid var(--color-earth-umber);
  border-radius: var(--radius-buttons);
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
}

.btn-secondary:hover {
  background-color: var(--color-earth-umber);
  color: var(--color-warm-linen);
  text-decoration: none;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-earth-umber);
  transition: all 0.3s ease;
}

/* ========================================
   英雄区（Hero Banner）
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--surface-earth-umber-panel);
  overflow: hidden;
  margin-top: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-earth-umber) 0%, #5a3a2a 50%, var(--color-earth-umber) 100%);
  opacity: 0.95;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 0%, rgba(0,0,0,0.3) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--spacing-68) var(--spacing-40);
  max-width: 900px;
}

.hero-title {
  font-family: var(--font-paradigm-pro);
  font-weight: var(--font-weight-light);
  font-size: var(--text-display);
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-display);
  color: var(--color-warm-linen);
  margin-bottom: var(--spacing-30);
}

.hero-subtitle {
  font-family: var(--font-monasans);
  font-weight: var(--font-weight-light);
  font-size: var(--text-heading-sm);
  line-height: var(--leading-heading-sm);
  letter-spacing: var(--tracking-heading-sm);
  color: var(--color-pale-ochre);
  margin-bottom: var(--spacing-45);
}

.hero-cta {
  display: flex;
  gap: var(--spacing-20);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-cta .btn-primary {
  padding: 22.5px 45px;
}

.hero-cta .btn-outline {
  display: inline-block;
  padding: 22.5px 45px;
  background-color: transparent;
  color: var(--color-warm-linen);
  font-family: var(--font-monasans);
  font-weight: var(--font-weight-regular);
  font-size: var(--text-body);
  border: 1px solid var(--color-warm-linen);
  border-radius: var(--radius-buttons);
  cursor: pointer;
  transition: all 0.3s ease;
}

.hero-cta .btn-outline:hover {
  background-color: var(--color-warm-linen);
  color: var(--color-earth-umber);
  text-decoration: none;
}

/* ========================================
   页面标题区（Page Header）
   ======================================== */
.page-header {
  background-color: var(--surface-earth-umber-panel);
  padding: var(--spacing-90) 0;
  margin-top: 80px;
  text-align: center;
}

.page-header-title {
  font-family: var(--font-paradigm-pro);
  font-weight: var(--font-weight-light);
  font-size: var(--text-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-warm-linen);
  margin-bottom: var(--spacing-20);
}

.page-header-breadcrumb {
  font-family: var(--font-monasans);
  font-weight: var(--font-weight-regular);
  font-size: var(--text-body-sm);
  color: var(--color-pale-ochre);
}

.page-header-breadcrumb a {
  color: var(--color-pale-ochre);
}

.page-header-breadcrumb a:hover {
  color: var(--color-warm-linen);
}

.page-header-breadcrumb span {
  margin: 0 var(--spacing-10);
  opacity: 0.5;
}

/* ========================================
   关于我们
   ======================================== */
.about-section {
  padding: var(--section-gap) 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-68);
  align-items: center;
}

.about-image {
  border-radius: var(--radius-images);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--color-platinum-frost) 0%, var(--color-pale-ochre) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-image-placeholder {
  font-size: 80px;
  opacity: 0.3;
}

.about-content h2 {
  margin-bottom: var(--spacing-30);
}

.about-content p {
  margin-bottom: var(--spacing-20);
  line-height: 1.8;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-30);
  margin-top: var(--spacing-45);
  padding-top: var(--spacing-45);
  border-top: 1px solid var(--color-platinum-frost);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-paradigm-pro);
  font-weight: var(--font-weight-light);
  font-size: var(--text-heading);
  color: var(--color-terracotta-flame);
  margin-bottom: var(--spacing-10);
}

.stat-label {
  font-size: var(--text-body-sm);
  color: var(--color-earth-umber);
  opacity: 0.7;
}

/* 发展历程 */
.timeline {
  position: relative;
  padding: var(--spacing-45) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background-color: var(--color-platinum-frost);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  margin-bottom: var(--spacing-45);
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row;
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-content {
  width: 45%;
  padding: var(--spacing-30);
  background-color: var(--color-warm-linen);
  border: 1px solid var(--color-platinum-frost);
  border-radius: var(--radius-cards);
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: var(--spacing-30);
  width: 16px;
  height: 16px;
  background-color: var(--color-terracotta-flame);
  border-radius: 50%;
  transform: translateX(-50%);
  border: 3px solid var(--color-warm-linen);
}

.timeline-year {
  font-family: var(--font-paradigm-pro);
  font-weight: var(--font-weight-light);
  font-size: var(--text-heading-sm);
  color: var(--color-terracotta-flame);
  margin-bottom: var(--spacing-14);
}

.timeline-title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-10);
}

/* 核心价值观 */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-30);
  margin-top: var(--spacing-45);
}

.value-card {
  padding: var(--card-padding);
  background-color: var(--color-warm-linen);
  border: 1px solid var(--color-platinum-frost);
  border-radius: var(--radius-cards);
  text-align: center;
  transition: all 0.3s ease;
}

.value-card:hover {
  box-shadow: 0 2px 8px rgba(60, 38, 28, 0.08);
  transform: translateY(-2px);
}

.value-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-20);
}

.value-title {
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-subheading);
  margin-bottom: var(--spacing-14);
}

.value-desc {
  font-size: var(--text-body-sm);
  line-height: 1.6;
  opacity: 0.8;
}

/* ========================================
   作品展示
   ======================================== */
.works-section {
  padding: var(--section-gap) 0;
}

.works-filter {
  display: flex;
  gap: var(--spacing-14);
  margin-bottom: var(--spacing-45);
  flex-wrap: wrap;
  justify-content: center;
}

.filter-btn {
  padding: var(--spacing-14) var(--spacing-30);
  background-color: transparent;
  color: var(--color-earth-umber);
  font-family: var(--font-monasans);
  font-weight: var(--font-weight-medium);
  font-size: var(--text-body-sm);
  border: 1px solid var(--color-platinum-frost);
  border-radius: var(--radius-buttons);
  cursor: pointer;
  transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--color-earth-umber);
  background-color: var(--color-earth-umber);
  color: var(--color-warm-linen);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-30);
}

.work-card {
  background-color: var(--color-warm-linen);
  border: 1px solid var(--color-platinum-frost);
  border-radius: var(--radius-cards);
  overflow: hidden;
  transition: all 0.3s ease;
}

.work-card:hover {
  box-shadow: 0 2px 8px rgba(60, 38, 28, 0.08);
  transform: translateY(-2px);
}

.work-card-image {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, var(--color-platinum-frost) 0%, var(--color-pale-ochre) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.work-card-image-placeholder {
  font-size: 60px;
  opacity: 0.3;
}

.work-card-content {
  padding: var(--spacing-30);
}

.work-card-category {
  display: inline-block;
  padding: var(--spacing-10) var(--spacing-17);
  background-color: var(--color-pale-ochre);
  color: var(--color-earth-umber);
  font-size: var(--text-caption);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-14);
}

.work-card-title {
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-subheading);
  margin-bottom: var(--spacing-14);
}

.work-card-desc {
  font-size: var(--text-body-sm);
  line-height: 1.6;
  opacity: 0.8;
  margin-bottom: var(--spacing-20);
}

.work-card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-10);
  color: var(--color-terracotta-flame);
  font-weight: var(--font-weight-medium);
  font-size: var(--text-body-sm);
}

.work-card-link:hover {
  text-decoration: underline;
}

/* 作品详情页 */
.work-detail-section {
  padding: var(--section-gap) 0;
}

.work-detail-header {
  margin-bottom: var(--spacing-45);
}

.work-detail-category {
  display: inline-block;
  padding: var(--spacing-10) var(--spacing-20);
  background-color: var(--color-pale-ochre);
  color: var(--color-earth-umber);
  font-size: var(--text-caption);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-20);
}

.work-detail-title {
  margin-bottom: var(--spacing-20);
}

.work-detail-meta {
  display: flex;
  gap: var(--spacing-30);
  flex-wrap: wrap;
  padding: var(--spacing-30) 0;
  border-top: 1px solid var(--color-platinum-frost);
  border-bottom: 1px solid var(--color-platinum-frost);
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-10);
}

.meta-label {
  font-size: var(--text-caption);
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.6;
}

.meta-value {
  font-weight: var(--font-weight-medium);
}

.work-detail-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-20);
  margin-bottom: var(--spacing-45);
}

.gallery-item {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, var(--color-platinum-frost) 0%, var(--color-pale-ochre) 100%);
  border-radius: var(--radius-images);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  opacity: 0.3;
}

.work-detail-description {
  max-width: 800px;
  margin: 0 auto;
}

.work-detail-description h3 {
  margin-bottom: var(--spacing-20);
  margin-top: var(--spacing-40);
}

.work-detail-description p {
  margin-bottom: var(--spacing-20);
  line-height: 1.8;
}

.work-detail-description ul {
  margin-bottom: var(--spacing-20);
  padding-left: var(--spacing-30);
}

.work-detail-description li {
  margin-bottom: var(--spacing-10);
  line-height: 1.8;
  list-style: disc;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-10);
  margin-bottom: var(--spacing-30);
  color: var(--color-earth-umber);
  font-weight: var(--font-weight-medium);
}

.back-link:hover {
  color: var(--color-terracotta-flame);
  text-decoration: none;
}

/* ========================================
   服务项目
   ======================================== */
.services-section {
  padding: var(--section-gap) 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-30);
}

.service-card {
  padding: var(--card-padding);
  background-color: var(--color-warm-linen);
  border: 1px solid var(--color-platinum-frost);
  border-radius: var(--radius-cards);
  text-align: center;
  transition: all 0.3s ease;
}

.service-card:hover {
  box-shadow: 0 2px 8px rgba(60, 38, 28, 0.08);
  transform: translateY(-2px);
}

.service-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-23);
}

.service-title {
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-subheading);
  margin-bottom: var(--spacing-17);
}

.service-desc {
  font-size: var(--text-body-sm);
  line-height: 1.6;
  opacity: 0.8;
  margin-bottom: var(--spacing-23);
}

.service-link {
  color: var(--color-terracotta-flame);
  font-weight: var(--font-weight-medium);
  font-size: var(--text-body-sm);
}

.service-link:hover {
  text-decoration: underline;
}

/* ========================================
   团队介绍
   ======================================== */
.team-section {
  padding: var(--section-gap) 0;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-30);
}

.team-card {
  background-color: var(--color-warm-linen);
  border: 1px solid var(--color-platinum-frost);
  border-radius: var(--radius-cards);
  overflow: hidden;
  text-align: center;
  transition: all 0.3s ease;
}

.team-card:hover {
  box-shadow: 0 2px 8px rgba(60, 38, 28, 0.08);
  transform: translateY(-2px);
}

.team-avatar {
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--color-platinum-frost) 0%, var(--color-pale-ochre) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 60px;
  opacity: 0.4;
}

.team-info {
  padding: var(--spacing-30);
}

.team-name {
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-subheading);
  margin-bottom: var(--spacing-10);
}

.team-role {
  font-size: var(--text-body-sm);
  color: var(--color-terracotta-flame);
  margin-bottom: var(--spacing-14);
}

.team-bio {
  font-size: var(--text-caption);
  line-height: 1.6;
  opacity: 0.7;
}

/* ========================================
   联系我们
   ======================================== */
.contact-section {
  padding: var(--section-gap) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-68);
}

.contact-info h3 {
  margin-bottom: var(--spacing-30);
}

.contact-info-item {
  display: flex;
  gap: var(--spacing-20);
  margin-bottom: var(--spacing-30);
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-pale-ochre);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.contact-info-content h4 {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-10);
}

.contact-info-content p {
  font-size: var(--text-body-sm);
  line-height: 1.6;
  opacity: 0.8;
}

.contact-form {
  background-color: var(--color-warm-linen);
  border: 1px solid var(--color-platinum-frost);
  border-radius: var(--radius-cards);
  padding: var(--card-padding);
}

.form-group {
  margin-bottom: var(--spacing-23);
}

.form-label {
  display: block;
  font-weight: var(--font-weight-medium);
  font-size: var(--text-body-sm);
  margin-bottom: var(--spacing-10);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--spacing-17) var(--spacing-20);
  font-family: var(--font-monasans);
  font-size: var(--text-body-sm);
  color: var(--color-earth-umber);
  background-color: var(--color-warm-linen);
  border: 1px solid var(--color-platinum-frost);
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-terracotta-flame);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-submit {
  width: 100%;
}

/* 地图区域 */
.map-section {
  padding: var(--section-gap) 0 0;
}

.map-container {
  width: 100%;
  height: 400px;
  background: linear-gradient(135deg, var(--color-platinum-frost) 0%, var(--color-pale-ochre) 100%);
  border-radius: var(--radius-cards);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  opacity: 0.3;
}

/* 社交媒体 */
.social-links {
  display: flex;
  gap: var(--spacing-20);
  margin-top: var(--spacing-30);
}

.social-link {
  width: 48px;
  height: 48px;
  background-color: var(--color-warm-linen);
  border: 1px solid var(--color-platinum-frost);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  transition: all 0.3s ease;
}

.social-link:hover {
  background-color: var(--color-terracotta-flame);
  border-color: var(--color-terracotta-flame);
  color: var(--color-peach-cream);
  text-decoration: none;
}

/* ========================================
   页脚
   ======================================== */
.footer {
  background-color: var(--surface-earth-umber-panel);
  color: var(--color-warm-linen);
  padding: var(--spacing-68) 0 var(--spacing-30);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-45);
  margin-bottom: var(--spacing-45);
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-14);
  margin-bottom: var(--spacing-20);
}

.footer-logo-text {
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-body);
}

.footer-desc {
  font-size: var(--text-body-sm);
  line-height: 1.6;
  opacity: 0.7;
  margin-bottom: var(--spacing-20);
}

.footer-social {
  display: flex;
  gap: var(--spacing-14);
}

.footer-social-link {
  width: 40px;
  height: 40px;
  background-color: rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-warm-linen);
  transition: all 0.3s ease;
}

.footer-social-link:hover {
  background-color: var(--color-terracotta-flame);
  text-decoration: none;
}

.footer-column h4 {
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-body);
  margin-bottom: var(--spacing-20);
  color: var(--color-warm-linen);
}

.footer-links li {
  margin-bottom: var(--spacing-14);
}

.footer-links a {
  font-size: var(--text-body-sm);
  color: var(--color-warm-linen);
  opacity: 0.7;
  transition: all 0.3s ease;
}

.footer-links a:hover {
  opacity: 1;
  color: var(--color-terracotta-flame);
  text-decoration: none;
}

.footer-bottom {
  padding-top: var(--spacing-30);
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-20);
}

.footer-copyright {
  font-size: var(--text-caption);
  opacity: 0.5;
}

.footer-bottom-links {
  display: flex;
  gap: var(--spacing-20);
}

.footer-bottom-links a {
  font-size: var(--text-caption);
  color: var(--color-warm-linen);
  opacity: 0.5;
}

.footer-bottom-links a:hover {
  opacity: 1;
  text-decoration: none;
}

/* ========================================
   区块标题
   ======================================== */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-45);
}

.section-header h2 {
  margin-bottom: var(--spacing-17);
}

.section-header p {
  font-size: var(--text-body);
  opacity: 0.7;
  max-width: 600px;
  margin: 0 auto;
}

.section-tag {
  display: inline-block;
  font-size: var(--text-caption);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-terracotta-flame);
  margin-bottom: var(--spacing-14);
}

/* ========================================
   动画效果
   ======================================== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1024px) {
  .works-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --section-gap: 45px;
    --card-padding: 30px;
  }

  .navbar-nav {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background-color: var(--color-warm-linen);
    flex-direction: column;
    padding: var(--spacing-20);
    border-bottom: 1px solid var(--color-platinum-frost);
  }

  .navbar-nav.active {
    display: flex;
  }

  .navbar-cta {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .hero-title {
    font-size: var(--text-heading);
  }

  .hero-subtitle {
    font-size: var(--text-body);
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-40);
  }

  .about-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-20);
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .works-grid {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .team-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-40);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-30);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-item,
  .timeline-item:nth-child(even) {
    flex-direction: row;
    padding-left: 50px;
  }

  .timeline-content {
    width: 100%;
  }

  .timeline-dot {
    left: 20px;
  }

  .work-detail-gallery {
    grid-template-columns: 1fr;
  }

  .work-detail-meta {
    flex-direction: column;
    gap: var(--spacing-20);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-20);
  }

  .navbar-inner {
    padding: 0 var(--spacing-20);
  }

  .hero-content {
    padding: var(--spacing-40) var(--spacing-20);
  }

  .btn-primary {
    padding: 18px 30px;
    font-size: var(--text-caption);
  }
}