/* ============================================
   问鼎国际 · 勇立潮头 — 设计系统
   风格：波浪流体 × 现代杂志 × 潮汐韵律
   色彩：深海蓝 #0A5C8A + 暖金 #D4A84B + 浪花白
   特点：弧形分割、波浪动效、分层叙事
   ============================================ */

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

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background: #F7F5F0;
  color: #1A2A3A;
  line-height: 1.6;
}

/* 核心布局 — 居中 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section:nth-child(even) {
  background: #F0F2F0;
}

/* 波浪分隔装饰 */
.section::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 60px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 60'%3E%3Cpath d='M0,30 C200,0 400,60 600,30 C800,0 1000,60 1200,30 L1200,60 L0,60 Z' fill='%23F7F5F0' opacity='0.6'/%3E%3C/svg%3E") no-repeat bottom;
  background-size: cover;
  z-index: 2;
  pointer-events: none;
}

.section:nth-child(even)::after {
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 60'%3E%3Cpath d='M0,30 C200,0 400,60 600,30 C800,0 1000,60 1200,30 L1200,60 L0,60 Z' fill='%23F0F2F0' opacity='0.6'/%3E%3C/svg%3A") no-repeat bottom;
  background-size: cover;
}

/* 导航 — 固定顶部，半透明浪花效果 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(16px) saturate(1.1);
  border-bottom: 1px solid rgba(10, 92, 138, 0.12);
  transition: background 0.3s;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
  color: #0A5C8A;
  letter-spacing: 1px;
  position: relative;
}

.logo::after {
  content: '勇立潮头';
  font-size: 0.55rem;
  font-weight: 300;
  color: #D4A84B;
  position: absolute;
  bottom: -10px;
  left: 0;
  letter-spacing: 3px;
  opacity: 0.7;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0A5C8A 0%, #1A7A9A 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #F7F5F0;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(10, 92, 138, 0.25);
}

.logo-icon::before {
  content: '问';
  font-weight: 700;
  font-size: 1.2rem;
  color: #D4A84B;
  text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.logo-icon::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: -4px;
  width: 120%;
  height: 8px;
  background: rgba(212, 168, 75, 0.3);
  border-radius: 50%;
  filter: blur(3px);
  animation: wavePulse 3s ease-in-out infinite;
}

@keyframes wavePulse {
  0%, 100% { transform: scaleX(1) translateX(0); opacity: 0.3; }
  50% { transform: scaleX(1.2) translateX(4px); opacity: 0.6; }
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  color: #2A3A4A;
  transition: all 0.25s ease;
  position: relative;
  padding: 4px 0;
  letter-spacing: 0.3px;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #0A5C8A, #D4A84B);
  transition: width 0.35s ease;
  border-radius: 2px;
}

.main-nav a:hover {
  color: #0A5C8A;
}

.main-nav a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 8px 22px !important;
  border-radius: 50px !important;
  background: linear-gradient(135deg, #0A5C8A 0%, #1A7A9A 100%) !important;
  color: #F7F5F0 !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 14px rgba(10, 92, 138, 0.25);
  transition: all 0.3s ease !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(10, 92, 138, 0.35);
  color: #fff !important;
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  color: #0A5C8A;
  font-size: 1.3rem;
  border-radius: 8px;
  transition: background 0.2s;
}

.menu-toggle:hover {
  background: rgba(10, 92, 138, 0.08);
}

/* 首页Hero — 潮头视觉 */
.hero {
  min-height: 88vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(160deg, #F7F5F0 0%, #E8F0F5 40%, #D4E4ED 100%);
  overflow: hidden;
  padding-top: 72px;
}

.hero::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 200px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120'%3E%3Cpath d='M0,60 C300,120 600,0 1200,60 L1200,120 L0,120 Z' fill='%23F7F5F0' opacity='0.8'/%3E%3C/svg%3E") no-repeat bottom;
  background-size: cover;
  z-index: 1;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: 10%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(212, 168, 75, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}

.hero-content {
  max-width: 620px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
  background: rgba(10, 92, 138, 0.08);
  color: #0A5C8A;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: 1px solid rgba(10, 92, 138, 0.12);
  backdrop-filter: blur(4px);
}

.hero h1 {
  font-size: 3.2rem;
  line-height: 1.15;
  margin-bottom: 20px;
  color: #0A2A3A;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.hero h1 span {
  color: #0A5C8A;
  position: relative;
  display: inline-block;
}

.hero h1 span::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 100%;
  height: 8px;
  background: rgba(212, 168, 75, 0.3);
  border-radius: 4px;
  z-index: -1;
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.65;
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.7;
  color: #2A3A4A;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-image {
  flex-shrink: 0;
  width: 420px;
  height: 420px;
  border-radius: 24px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(145deg, #0A5C8A, #1A7A9A);
  box-shadow: 0 20px 60px rgba(10, 92, 138, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image::before {
  content: '问鼎';
  font-size: 4.5rem;
  font-weight: 800;
  color: rgba(247, 245, 240, 0.15);
  letter-spacing: 12px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-8deg);
  white-space: nowrap;
}

.hero-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(212, 168, 75, 0.15) 0%, transparent 50%, rgba(10, 92, 138, 0.1) 100%);
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  mix-blend-mode: overlay;
}

/* 装饰波浪线 */
.wave-divider {
  width: 100%;
  height: 40px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 40'%3E%3Cpath d='M0,20 C200,0 400,40 600,20 C800,0 1000,40 1200,20' stroke='%230A5C8A' stroke-width='1.5' fill='none' opacity='0.15'/%3E%3C/svg%3E") repeat-x;
  background-size: 400px 40px;
  animation: waveMove 12s linear infinite;
}

@keyframes waveMove {
  0% { background-position: 0 0; }
  100% { background-position: 400px 0; }
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 0.92rem;
  letter-spacing: 0.3px;
}

.btn-primary {
  color: #F7F5F0;
  background: linear-gradient(135deg, #0A5C8A 0%, #1A7A9A 100%);
  box-shadow: 0 4px 16px rgba(10, 92, 138, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(10, 92, 138, 0.4);
  background: linear-gradient(135deg, #0A4A70 0%, #0A5C8A 100%);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid #0A5C8A;
  color: #0A5C8A;
}

.btn-outline:hover {
  background: rgba(10, 92, 138, 0.06);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(10, 92, 138, 0.12);
}

/* 标签/标题 */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  margin-bottom: 14px;
  color: #D4A84B;
  text-transform: uppercase;
  position: relative;
  padding-left: 40px;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 28px;
  height: 2px;
  background: #D4A84B;
  transform: translateY(-50%);
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 16px;
  color: #0A2A3A;
  font-weight: 700;
  letter-spacing: -0.3px;
  line-height: 1.2;
}

.section-desc {
  max-width: 620px;
  opacity: 0.6;
  margin-bottom: 44px;
  font-size: 1.05rem;
  color: #2A3A4A;
  line-height: 1.7;
}

/* 卡片网格 — 波浪卡片 */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.category-card {
  border-radius: 20px;
  padding: 32px 28px;
  background: #F7F5F0;
  border: 1px solid rgba(10, 92, 138, 0.06);
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(10, 92, 138, 0.04);
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #0A5C8A, #D4A84B, #0A5C8A);
  background-size: 200% 100%;
  animation: shimmer 3s ease-in-out infinite;
  opacity: 0;
  transition: opacity 0.3s;
}

@keyframes shimmer {
  0% { background-position: 0% 0; }
  50% { background-position: 100% 0; }
  100% { background-position: 0% 0; }
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(10, 92, 138, 0.1);
  border-color: rgba(10, 92, 138, 0.12);
}

.category-card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
  background: linear-gradient(135deg, rgba(10, 92, 138, 0.08), rgba(212, 168, 75, 0.08));
  color: #0A5C8A;
  transition: all 0.3s;
}

.category-card:hover .card-icon {
  background: linear-gradient(135deg, rgba(10, 92, 138, 0.15), rgba(212, 168, 75, 0.15));
  transform: scale(1.05);
}

.category-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: #0A2A3A;
  font-weight: 700;
}

.category-card p {
  font-size: 0.88rem;
  opacity: 0.6;
  margin-bottom: 16px;
  line-height: 1.6;
}

.card-link {
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  color: #0A5C8A;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s;
}

.card-link:hover {
  gap: 12px;
  color: #D4A84B;
}

/* 特性块 — 潮汐布局 */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.feature-image {
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  background: #E8F0F5;
  box-shadow: 0 8px 32px rgba(10, 92, 138, 0.06);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 92, 138, 0.05), transparent 60%);
}

.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.feature-image:hover img {
  transform: scale(1.03);
}

.feature-text {
  padding: 0 0 0 8px;
}

.feature-text h3 {
  font-size: 1.6rem;
  margin-bottom: 16px;
  color: #0A2A3A;
  font-weight: 700;
}

.feature-text p {
  font-size: 0.95rem;
  opacity: 0.65;
  margin-bottom: 20px;
  line-height: 1.7;
}

.feature-list {
  list-style: none;
}

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.92rem;
  color: #1A2A3A;
}

.feature-list li::before {
  content: '🌊';
  font-weight: 700;
  color: #0A5C8A;
  font-size: 0.9rem;
}

/* 数据条 — 潮汐数据 */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  text-align: center;
}

.stat-item {
  padding: 32px 20px;
  border-radius: 20px;
  background: #F7F5F0;
  border: 1px solid rgba(10, 92, 138, 0.06);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20%;
  right: 20%;
  height: 3px;
  background: linear-gradient(90deg, transparent, #D4A84B, transparent);
  border-radius: 2px;
  opacity: 0;
  transition: all 0.4s;
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(10, 92, 138, 0.08);
  border-color: rgba(10, 92, 138, 0.12);
}

.stat-item:hover::before {
  opacity: 1;
  left: 10%;
  right: 10%;
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 800;
  color: #0A5C8A;
  line-height: 1.1;
  margin-bottom: 4px;
}

.stat-number + small {
  font-size: 0.8rem;
  color: #D4A84B;
  font-weight: 600;
  letter-spacing: 1px;
}

.stat-label {
  font-size: 0.88rem;
  opacity: 0.55;
  margin-top: 8px;
  color: #2A3A4A;
}

/* 内容墙 — 杂志网格 */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

.content-wall-item {
  border-radius: 20px;
  overflow: hidden;
  background: #F7F5F0;
  border: 1px solid rgba(10, 92, 138, 0.06);
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: 0 2px 8px rgba(10, 92, 138, 0.04);
}

.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(10, 92, 138, 0.1);
  border-color: rgba(10, 92, 138, 0.12);
}

.content-wall-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.content-wall-item:hover img {
  transform: scale(1.04);
}

.content-wall-body {
  padding: 24px 22px 26px;
}

.content-wall-body h4 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: #0A2A3A;
  font-weight: 700;
}

.content-wall-body p {
  font-size: 0.85rem;
  opacity: 0.6;
  line-height: 1.6;
}

.content-wall-body .meta {
  font-size: 0.72rem;
  color: #D4A84B;
  font-weight: 500;
  margin-top: 12px;
  letter-spacing: 0.5px;
}

/* FAQ — 波浪折叠 */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: none;
  border-radius: 16px;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: #F7F5F0;
  box-shadow: 0 2px 8px rgba(10, 92, 138, 0.04);
  transition: all 0.3s ease;
  border: 1px solid rgba(10, 92, 138, 0.06);
}

.faq-item:hover {
  box-shadow: 0 4px 16px rgba(10, 92, 138, 0.08);
  border-color: rgba(10, 92, 138, 0.1);
}

.faq-item .faq-question {
  padding: 18px 24px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #0A2A3A;
  font-size: 0.98rem;
  letter-spacing: 0.2px;
}

.faq-item .faq-question::after {
  content: '↓';
  font-size: 0.9rem;
  color: #0A5C8A;
  transition: transform 0.35s ease;
  opacity: 0.5;
}

.faq-item.open .faq-question::after {
  transform: rotate(180deg);
  opacity: 1;
  color: #D4A84B;
}

.faq-item .faq-answer {
  padding: 0 24px 20px;
  display: none;
  opacity: 0.65;
  line-height: 1.7;
  font-size: 0.9rem;
  color: #1A2A3A;
}

.faq-item.open .faq-answer {
  display: block;
  animation: fadeSlide 0.35s ease;
}

@keyframes fadeSlide {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 0.65; transform: translateY(0); }
}

/* CTA横幅 — 潮汐号召 */
.cta-banner {
  padding: 64px 32px;
  text-align: center;
  border-radius: 24px;
  background: linear-gradient(135deg, #0A5C8A 0%, #1A7A9A 50%, #0A5C8A 100%);
  color: #F7F5F0;
  position: relative;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(10, 92, 138, 0.2);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(212, 168, 75, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 40px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 40'%3E%3Cpath d='M0,20 C200,0 400,40 600,20 C800,0 1000,40 1200,20' stroke='rgba(247,245,240,0.15)' stroke-width='2' fill='none'/%3E%3C/svg%3E") repeat-x bottom;
  background-size: 300px 40px;
  animation: waveMove 8s linear infinite;
  opacity: 0.5;
}

.cta-banner h2 {
  color: #F7F5F0;
  font-size: 2rem;
  margin-bottom: 12px;
  font-weight: 700;
  position: relative;
}

.cta-banner p {
  opacity: 0.8;
  margin-bottom: 28px;
  font-size: 1.05rem;
  position: relative;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .btn-primary {
  background: #F7F5F0;
  color: #0A5C8A;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.cta-banner .btn-primary:hover {
  background: #fff;
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.15);
}

/* 页脚 — 深浪 */
.site-footer {
  padding: 64px 0 32px;
  background: #0A2A3A;
  color: rgba(247, 245, 240, 0.8);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -2px;
  left: 0;
  width: 100%;
  height: 60px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 60'%3E%3Cpath d='M0,30 C200,0 400,60 600,30 C800,0 1000,60 1200,30 L1200,0 L0,0 Z' fill='%230A2A3A'/%3E%3C/svg%3E") no-repeat top;
  background-size: cover;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-brand {
  color: rgba(247, 245, 240, 0.8);
}

.footer-brand .logo {
  color: #F7F5F0;
  margin-bottom: 16px;
}

.footer-brand .logo::after {
  color: #D4A84B;
  opacity: 0.5;
}

.footer-brand p {
  font-size: 0.88rem;
  opacity: 0.6;
  line-height: 1.7;
  max-width: 260px;
}

.footer-col h4 {
  color: #F7F5F0;
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul a {
  color: rgba(247, 245, 240, 0.55);
  text-decoration: none;
  font-size: 0.85rem;
  transition: all 0.25s;
}

.footer-col ul a:hover {
  color: #D4A84B;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(247, 245, 240, 0.06);
  margin-top: 44px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.82rem;
  opacity: 0.4;
  color: rgba(247, 245, 240, 0.6);
  letter-spacing: 0.5px;
}

/* 工具类 */
.text-accent {
  color: #0A5C8A;
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.6;
  font-size: 1rem;
  line-height: 1.7;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* 额外装饰组件 */
.wave-line {
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(10, 92, 138, 0.15), rgba(212, 168, 75, 0.15), transparent);
  margin: 20px 0;
}

.gold-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #D4A84B;
  margin: 0 8px;
}

/* ============================================
   响应式设计
   ============================================ */

/* 平板 */
@media (max-width: 968px) {
  .hero .container {
    flex-direction: column;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .hero p {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-eyebrow {
    margin-left: auto;
    margin-right: auto;
  }

  .section-label {
    padding-left: 0;
  }

  .section-label::before {
    display: none;
  }

  .hero-image {
    width: 320px;
    height: 320px;
  }

  .feature-block {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .feature-text {
    padding: 0;
  }

  .feature-list li {
    justify-content: center;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-brand p {
    max-width: 100%;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .cta-banner h2 {
    font-size: 1.6rem;
  }
}

/* 手机 */
@media (max-width: 768px) {
  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(247, 245, 240, 0.98);
    backdrop-filter: blur(20px);
    padding: 24px 20px;
    gap: 16px;
    border-bottom: 1px solid rgba(10, 92, 138, 0.1);
    box-shadow: 0 12px 32px rgba(10, 92, 138, 0.08);
  }

  .main-nav.open a {
    padding: 10px 0;
    font-size: 0.95rem;
  }

  .main-nav.open .nav-cta {
    text-align: center;
    padding: 12px !important;
  }

  .hero {
    min-height: 70vh;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-image {
    width: 260px;
    height: 260px;
  }

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

  .hero-buttons .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  .section {
    padding: 64px 0;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .stats-bar {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    text-align: center;
  }

  .footer-brand p {
    margin: 0 auto;
  }

  .footer-col ul li {
    text-align: center;
  }

  .cta-banner {
    padding: 40px 20px;
    border-radius: 16px;
  }

  .cta-banner h2 {
    font-size: 1.3rem;
  }

  .faq-item .faq-question {
    font-size: 0.88rem;
    padding: 14px 18px;
  }

  .faq-item .faq-answer {
    padding: 0 18px 16px;
    font-size: 0.84rem;
  }

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

  .wave-divider {
    height: 24px;
    background-size: 250px 24px;
  }
}

/* 小手机 */
@media (max-width: 480px) {
  .header-inner {
    height: 64px;
    padding: 0 16px;
  }

  .logo {
    font-size: 1.05rem;
  }

  .logo-icon {
    width: 34px;
    height: 34px;
    font-size: 0.9rem;
  }

  .container {
    padding: 0 16px;
  }

  .hero h1 {
    font-size: 1.7rem;
  }

  .hero p {
    font-size: 0.95rem;
  }

  .hero-image {
    width: 200px;
    height: 200px;
  }

  .hero-image::before {
    font-size: 2.5rem;
    letter-spacing: 6px;
  }

  .section-title {
    font-size: 1.3rem;
  }

  .section-desc {
    font-size: 0.9rem;
  }

  .category-card {
    padding: 24px 20px;
  }

  .feature-text h3 {
    font-size: 1.2rem;
  }

  .stats-bar {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .stat-item {
    padding: 24px 16px;
  }

  .content-wall-item img {
    height: 180px;
  }

  .content-wall-body {
    padding: 18px 16px 20px;
  }

  .btn {
    padding: 12px 24px;
    font-size: 0.85rem;
  }

  .cta-banner {
    padding: 32px 16px;
  }

  .cta-banner h2 {
    font-size: 1.1rem;
  }

  .cta-banner p {
    font-size: 0.88rem;
  }

  .site-footer {
    padding: 40px 0 24px;
  }

  .footer-grid {
    gap: 24px;
  }
}

/* 打印优化 */
@media print {
  .site-header {
    position: relative;
    background: #fff;
    border: none;
  }

  .hero {
    min-height: auto;
    padding: 40px 0;
  }

  .hero-image {
    display: none;
  }

  .section::after,
  .cta-banner::after,
  .site-footer::before {
    display: none;
  }

  .category-card:hover {
    transform: none;
    box-shadow: none;
  }

  .content-wall-item:hover {
    transform: none;
    box-shadow: none;
  }

  .btn-primary {
    background: #0A5C8A;
    color: #fff;
  }
}