/* ============================================
   武汉特牛网络科技有限公司 - 企业官网样式
   设计风格：简约大气 · 深蓝金调
   ============================================ */

/* ===== CSS 变量 ===== */
:root {
  /* 主色调 */
  --color-navy: #0d1b2a;
  --color-navy-light: #1b263b;
  --color-navy-soft: #2a3a52;
  --color-gold: #c9a961;
  --color-gold-light: #dcc28a;
  --color-gold-dark: #a88a42;

  /* 中性色 */
  --color-bg: #faf9f5;
  --color-bg-alt: #f3f1ea;
  --color-white: #ffffff;
  --color-text: #1a1a1a;
  --color-text-secondary: #4a5568;
  --color-text-muted: #8896a6;
  --color-border: #e2ddd0;
  --color-border-light: #eeebe2;

  /* 功能色 */
  --color-success: #5b8c5a;
  --color-error: #c5564a;

  /* 字体 */
  --font-heading: "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", monospace;

  /* 间距 */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 8rem;

  /* 容器 */
  --container-max: 1280px;
  --container-narrow: 960px;

  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* 阴影 */
  --shadow-sm: 0 1px 3px rgba(13, 27, 42, 0.06);
  --shadow-md: 0 4px 16px rgba(13, 27, 42, 0.08);
  --shadow-lg: 0 12px 40px rgba(13, 27, 42, 0.12);
  --shadow-gold: 0 4px 20px rgba(201, 169, 97, 0.25);

  /* 过渡 */
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-snap: cubic-bezier(0.7, 0, 0.84, 0);
  --transition: 0.4s var(--ease-smooth);
}

/* ===== Reset ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

ul,
ol {
  list-style: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

/* ===== 排版 ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-navy);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: clamp(1.125rem, 2vw, 1.375rem); }

p {
  max-width: 65ch;
}

.lead {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ===== 布局工具 ===== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

.section-sm {
  padding: var(--space-lg) 0;
}

.section-dark {
  background: var(--color-navy);
  color: var(--color-bg);
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-white);
}

.section-alt {
  background: var(--color-bg-alt);
}

.text-center { text-align: center; }
.text-gold { color: var(--color-gold); }
.text-white { color: var(--color-white); }
.text-muted { color: var(--color-text-muted); }

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

.section-header .eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header .subtitle {
  color: var(--color-text-secondary);
  font-size: 1.0625rem;
  max-width: 600px;
  margin: 0 auto;
}

/* 标题装饰线 */
.title-divider {
  width: 60px;
  height: 3px;
  background: var(--color-gold);
  margin: 1.25rem auto 0;
  border-radius: 2px;
}

.title-divider.left {
  margin-left: 0;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-gold);
  color: var(--color-navy);
  border: 1px solid var(--color-gold);
}

.btn-primary:hover {
  background: var(--color-gold-light);
  border-color: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.btn-outline {
  background: transparent;
  color: var(--color-navy);
  border: 1px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.btn-light {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-white);
}

.btn-lg {
  padding: 1.125rem 2.5rem;
  font-size: 1rem;
}

.btn svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition);
}

.btn:hover svg {
  transform: translateX(3px);
}

/* ===== 导航栏 ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(13, 27, 42, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(201, 169, 97, 0.15);
  transition: all var(--transition);
}

.navbar.scrolled {
  background: rgba(13, 27, 42, 0.98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.navbar-brand .logo-mark {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gold);
  border-radius: var(--radius-sm);
  color: var(--color-navy);
  font-weight: 700;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.navbar-brand .brand-sub {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  text-transform: uppercase;
  display: block;
  margin-top: 2px;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-menu a {
  display: inline-block;
  padding: 0.5rem 1rem;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9375rem;
  font-weight: 400;
  position: relative;
  transition: color var(--transition);
}

.navbar-menu a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: width var(--transition);
}

.navbar-menu a:hover,
.navbar-menu a.active {
  color: var(--color-white);
}

.navbar-menu a:hover::after,
.navbar-menu a.active::after {
  width: 24px;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.navbar-portal {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.125rem;
  font-size: 0.875rem;
  color: var(--color-gold);
  border: 1px solid rgba(201, 169, 97, 0.3);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.navbar-portal:hover {
  background: rgba(201, 169, 97, 0.1);
  border-color: var(--color-gold);
}

.navbar-portal svg {
  width: 16px;
  height: 16px;
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

.navbar-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: all var(--transition);
}

.navbar-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar-toggle.active span:nth-child(2) {
  opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== 新闻滚动条 ===== */
.news-ticker {
  background: var(--color-navy-light);
  border-bottom: 1px solid rgba(201, 169, 97, 0.1);
  overflow: hidden;
  position: relative;
}

.news-ticker-inner {
  display: flex;
  align-items: center;
  height: 44px;
}

.news-ticker-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0 1.25rem;
  height: 100%;
  background: var(--color-gold);
  color: var(--color-navy);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  white-space: nowrap;
  flex-shrink: 0;
  z-index: 2;
}

.news-ticker-label svg {
  width: 16px;
  height: 16px;
}

.news-ticker-track {
  flex: 1;
  overflow: hidden;
  position: relative;
  height: 100%;
}

.news-ticker-content {
  display: flex;
  align-items: center;
  height: 100%;
  white-space: nowrap;
  animation: ticker-scroll 40s linear infinite;
}

.news-ticker-content:hover {
  animation-play-state: paused;
}

.news-ticker-item {
  display: inline-flex;
  align-items: center;
  padding: 0 2rem;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.75);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.news-ticker-item:hover {
  color: var(--color-gold);
}

.news-ticker-item .ticker-date {
  color: var(--color-gold);
  margin-right: 0.5rem;
  font-weight: 500;
}

@keyframes ticker-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== Hero 区域 ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--color-navy);
  color: var(--color-white);
  overflow: hidden;
  padding-top: 72px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(201, 169, 97, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(42, 58, 82, 0.6) 0%, transparent 50%);
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201, 169, 97, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 169, 97, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  padding: 4rem 0;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(201, 169, 97, 0.1);
  border: 1px solid rgba(201, 169, 97, 0.25);
  border-radius: 100px;
  font-size: 0.8125rem;
  color: var(--color-gold);
  letter-spacing: 0.05em;
  margin-bottom: 1.75rem;
}

.hero-eyebrow .dot {
  width: 6px;
  height: 6px;
  background: var(--color-gold);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero h1 .highlight {
  color: var(--color-gold);
  position: relative;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 2.5rem;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stat {
  text-align: left;
}

.hero-stat .stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
}

.hero-stat .stat-label {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 0.5rem;
  letter-spacing: 0.05em;
}

/* 滚动指示器 */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-align: center;
  animation: bounce 2s ease-in-out infinite;
}

.scroll-indicator svg {
  width: 24px;
  height: 24px;
  margin: 0.5rem auto 0;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-8px); }
}

/* ===== 业务卡片 ===== */
.business-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.business-card {
  position: relative;
  padding: 2.5rem;
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  overflow: hidden;
}

.business-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-gold);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition);
}

.business-card:hover {
  border-color: rgba(201, 169, 97, 0.3);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.business-card:hover::before {
  transform: scaleY(1);
}

.business-card .card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(201, 169, 97, 0.1), rgba(201, 169, 97, 0.05));
  border: 1px solid rgba(201, 169, 97, 0.2);
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  color: var(--color-gold);
  transition: all var(--transition);
}

.business-card:hover .card-icon {
  background: var(--color-gold);
  color: var(--color-white);
  border-color: var(--color-gold);
}

.business-card .card-icon svg {
  width: 28px;
  height: 28px;
}

.business-card .card-number {
  position: absolute;
  top: 1.75rem;
  right: 2rem;
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-bg-alt);
  line-height: 1;
  z-index: 0;
}

.business-card h3 {
  position: relative;
  z-index: 1;
  margin-bottom: 0.75rem;
}

.business-card .card-desc {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.business-card .card-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.business-card .card-feature {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  background: var(--color-bg-alt);
  border-radius: 100px;
}

.business-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gold-dark);
  transition: gap var(--transition);
}

.business-card .card-link:hover {
  gap: 0.625rem;
}

.business-card .card-link svg {
  width: 16px;
  height: 16px;
}

/* ===== 数据统计区 ===== */
.stats-section {
  background: var(--color-navy);
  color: var(--color-white);
  padding: var(--space-lg) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item {
  padding: 1rem 0;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-item:last-child {
  border-right: none;
}

.stat-item .stat-value {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
}

.stat-item .stat-value .unit {
  font-size: 1.25rem;
  margin-left: 0.25rem;
}

.stat-item .stat-desc {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.03em;
}

/* ===== 价值观卡片 ===== */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.value-card {
  text-align: center;
  padding: 2.5rem 2rem;
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.value-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.value-card .value-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(201, 169, 97, 0.08);
  color: var(--color-gold);
}

.value-card .value-icon svg {
  width: 32px;
  height: 32px;
}

.value-card h4 {
  margin-bottom: 0.75rem;
}

.value-card p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin: 0 auto;
}

/* ===== 时间线 ===== */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 0;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--color-gold) 10%, var(--color-gold) 90%, transparent);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  display: flex;
  align-items: flex-start;
  margin-bottom: 3rem;
}

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

.timeline-item .timeline-dot {
  position: absolute;
  left: 50%;
  top: 0.5rem;
  transform: translateX(-50%);
  width: 14px;
  height: 14px;
  background: var(--color-gold);
  border: 3px solid var(--color-bg);
  border-radius: 50%;
  z-index: 2;
  box-shadow: 0 0 0 4px rgba(201, 169, 97, 0.2);
}

.timeline-item .timeline-content {
  width: calc(50% - 2.5rem);
  padding: 1.5rem;
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.timeline-item .timeline-year {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
}

.timeline-item .timeline-title {
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
}

.timeline-item .timeline-desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* ===== 服务详情区 ===== */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 6rem;
}

.service-detail:last-child {
  margin-bottom: 0;
}

.service-detail:nth-child(even) .service-detail-text {
  order: 2;
}

.service-detail-visual {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-navy);
}

.service-detail-visual .visual-pattern {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-detail-visual .visual-pattern svg {
  width: 50%;
  height: 50%;
  opacity: 0.8;
}

.service-detail-visual .visual-number {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  font-family: var(--font-heading);
  font-size: 5rem;
  font-weight: 700;
  color: rgba(201, 169, 97, 0.3);
  line-height: 1;
}

.service-detail-text .service-tag {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-gold);
  background: rgba(201, 169, 97, 0.08);
  border-radius: 100px;
  margin-bottom: 1rem;
}

.service-detail-text h3 {
  margin-bottom: 1rem;
}

.service-detail-text .service-desc {
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.service-detail-text .service-list {
  margin-bottom: 1.5rem;
}

.service-detail-text .service-list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.625rem;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.service-detail-text .service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 8px;
  height: 8px;
  background: var(--color-gold);
  border-radius: 2px;
  transform: rotate(45deg);
}

/* ===== 服务流程 ===== */
.process-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

.process-flow::before {
  content: "";
  position: absolute;
  top: 32px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: repeating-linear-gradient(
    to right,
    var(--color-gold) 0,
    var(--color-gold) 8px,
    transparent 8px,
    transparent 16px
  );
  z-index: 0;
}

.process-step {
  position: relative;
  z-index: 1;
  text-align: center;
}

.process-step .step-number {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-white);
  border: 2px solid var(--color-gold);
  border-radius: 50%;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gold);
  transition: all var(--transition);
}

.process-step:hover .step-number {
  background: var(--color-gold);
  color: var(--color-white);
}

.process-step h4 {
  margin-bottom: 0.5rem;
  font-size: 1.0625rem;
}

.process-step p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 0 auto;
}

/* ===== CTA 区域 ===== */
.cta-section {
  position: relative;
  background: var(--color-navy);
  color: var(--color-white);
  text-align: center;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(201, 169, 97, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 50%, rgba(201, 169, 97, 0.05) 0%, transparent 50%);
}

.cta-section .container {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: 1rem;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.7);
  margin: 0 auto 2rem;
  font-size: 1.125rem;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== 联系页面 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 720px);
  justify-content: center;
  gap: 4rem;
  align-items: start;
}

.contact-info-card {
  padding: 2.5rem;
  background: var(--color-navy);
  color: var(--color-white);
  border-radius: var(--radius-lg);
}

.contact-info-card h3 {
  color: var(--color-white);
  margin-bottom: 2rem;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.75rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.contact-info-item .info-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(201, 169, 97, 0.1);
  border-radius: var(--radius-sm);
  color: var(--color-gold);
  flex-shrink: 0;
}

.contact-info-item .info-icon svg {
  width: 20px;
  height: 20px;
}

.contact-info-item .info-label {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.contact-info-item .info-value {
  font-size: 0.9375rem;
  color: var(--color-white);
}

/* ===== 页脚 ===== */
.footer {
  background: var(--color-navy);
  color: rgba(255, 255, 255, 0.6);
  padding: var(--space-lg) 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .navbar-brand {
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.8;
}

.footer-col h5 {
  color: var(--color-white);
  font-size: 0.9375rem;
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: 1.25rem;
  letter-spacing: 0.02em;
}

.footer-col ul li {
  margin-bottom: 0.625rem;
}

.footer-col ul li a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: var(--color-gold);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a:hover {
  color: var(--color-gold);
}

.footer-portal-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.875rem;
  font-size: 0.8125rem;
  color: var(--color-gold);
  border: 1px solid rgba(201, 169, 97, 0.25);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.footer-portal-link:hover {
  background: rgba(201, 169, 97, 0.1);
  border-color: var(--color-gold);
}

.footer-portal-link svg {
  width: 14px;
  height: 14px;
}

/* ===== 页脚联系方式：左对齐、不换行 ===== */
.footer-contact ul li {
  text-align: left;
  white-space: nowrap;
}

.footer-contact .footer-hours {
  color: var(--color-gold);
  font-size: 0.8125rem;
  margin-top: 0.25rem;
}

/* ===== 内部门户入口 ===== */
.portal-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2.5rem 3rem;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(201, 169, 97, 0.15);
  position: relative;
  overflow: hidden;
}

.portal-banner::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 100%;
  background: radial-gradient(ellipse at right, rgba(201, 169, 97, 0.08) 0%, transparent 70%);
}

.portal-banner .portal-text {
  position: relative;
  z-index: 1;
}

.portal-banner .portal-text h4 {
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.portal-banner .portal-text p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9375rem;
  margin: 0;
}

.portal-banner .portal-btn {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  background: var(--color-gold);
  color: var(--color-navy);
  font-weight: 500;
  font-size: 0.9375rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}

.portal-banner .portal-btn:hover {
  background: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.portal-banner .portal-btn svg {
  width: 18px;
  height: 18px;
}

/* ===== 滚动动画 ===== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-smooth), transform 0.8s var(--ease-smooth);
}

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

.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }
.fade-up-delay-3 { transition-delay: 0.3s; }
.fade-up-delay-4 { transition-delay: 0.4s; }

/* ===== 页面内 Hero (子页面) ===== */
.page-hero {
  position: relative;
  background: var(--color-navy);
  color: var(--color-white);
  padding: 10rem 0 5rem;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 30%, rgba(201, 169, 97, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 20% 70%, rgba(42, 58, 82, 0.4) 0%, transparent 50%);
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201, 169, 97, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 169, 97, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  color: var(--color-white);
  margin-bottom: 1rem;
}

.page-hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 1.5rem;
}

.page-hero .breadcrumb a {
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition);
}

.page-hero .breadcrumb a:hover {
  color: var(--color-gold);
}

.page-hero .breadcrumb span {
  color: var(--color-gold);
}

.page-hero .page-hero-subtitle {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.6);
  max-width: 600px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  :root {
    --space-xl: 4rem;
    --space-2xl: 5rem;
  }

  .navbar-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-navy);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(201, 169, 97, 0.15);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
  }

  .navbar-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .navbar-menu a {
    padding: 0.875rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .navbar-menu a::after {
    display: none;
  }

  .navbar-toggle {
    display: flex;
  }

  .navbar-actions {
    gap: 0.5rem;
  }

  .navbar-portal {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
  }

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

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

  .stat-item {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 1.5rem;
  }

  .stat-item:nth-last-child(-n+2) {
    border-bottom: none;
  }

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

  .service-detail {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .service-detail:nth-child(even) .service-detail-text {
    order: 0;
  }

  .process-flow {
    grid-template-columns: 1fr 1fr;
    gap: 2rem 1rem;
  }

  .process-flow::before {
    display: none;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 2rem;
  }

  .hero-stat .stat-number {
    font-size: 2rem;
  }

  .portal-banner {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
    padding: 2rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

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

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

  .timeline-item .timeline-dot {
    left: 20px;
  }

  .timeline-item .timeline-content {
    width: calc(100% - 3rem);
    margin-left: 3rem;
  }
}

@media (max-width: 480px) {
  .process-flow {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ===== 减少动画偏好 ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}