/* 
  东升国际 - 领航商业未来
  设计风格：极简杂志风 + 柔和渐变流体
  主色调：暖杏色 (#f5e6d3) + 深海蓝 (#1a3c5e) + 金箔色 (#c9a96e)
  背景：米白渐变，拒绝黑色/深色
  氛围：优雅、通透、高级感
*/

*, *::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: linear-gradient(135deg, #fdf8f0 0%, #f5e6d3 50%, #f0ebe0 100%);
  color: #1a2a3a;
  line-height: 1.6;
}

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

.section { padding:80px 0; position: relative; }

.section:nth-child(even) { 
  background: linear-gradient(120deg, #f8f4ee 0%, #f0e8dc 100%);
}

/* 导航 — 固定顶部，半透玻璃 */
.site-header { 
  position:fixed; 
  top:0; 
  left:0; 
  width:100%; 
  z-index:1000; 
  background: rgba(253, 248, 240, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(201, 169, 110, 0.25);
  box-shadow: 0 2px 24px rgba(26, 60, 94, 0.04);
}

.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:800; 
  font-size:1.35rem; 
  text-decoration:none; 
  color: #1a3c5e;
  letter-spacing: 0.5px;
}

.logo-icon { 
  width:40px; 
  height:40px; 
  border-radius:50%; 
  display:flex; 
  align-items:center; 
  justify-content:center; 
  font-size:1.1rem;
  background: linear-gradient(135deg, #c9a96e, #e8d5a3);
  color: #1a3c5e;
  box-shadow: 0 4px 12px rgba(201, 169, 110, 0.3);
}

.main-nav { 
  display:flex; 
  align-items:center; 
  gap:32px; 
  list-style:none; 
}

.main-nav a { 
  text-decoration:none; 
  font-size:0.9rem; 
  font-weight:500; 
  transition:0.3s;
  color: #1a3c5e;
  position: relative;
  padding: 4px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #c9a96e, #e8d5a3);
  transition: width 0.3s ease;
}

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

.main-nav a:hover {
  color: #c9a96e;
}

.nav-cta { 
  padding:10px 24px; 
  border-radius:50px; 
  color:#fff!important; 
  font-weight:600;
  background: linear-gradient(135deg, #1a3c5e, #2a5a7a);
  box-shadow: 0 4px 14px rgba(26, 60, 94, 0.2);
  transition: all 0.3s;
}

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

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(26, 60, 94, 0.3);
  color: #fff!important;
}

.menu-toggle { display:none; }

/* 首页Hero — 杂志风大标题 */
.hero { 
  min-height:80vh; 
  display:flex; 
  align-items:center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(201, 169, 110, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

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

.hero-eyebrow { 
  display:inline-block; 
  font-size:0.8rem; 
  font-weight:700; 
  padding:6px 18px; 
  border-radius:50px; 
  margin-bottom:20px;
  background: linear-gradient(135deg, rgba(201, 169, 110, 0.2), rgba(232, 213, 163, 0.3));
  color: #1a3c5e;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: 1px solid rgba(201, 169, 110, 0.3);
}

.hero h1 { 
  font-size:3.2rem; 
  line-height:1.15; 
  margin-bottom:20px;
  font-weight:800;
  color: #1a3c5e;
  letter-spacing: -0.5px;
}

.hero h1::after {
  content: '✦';
  display: inline-block;
  margin-left: 8px;
  color: #c9a96e;
  font-size: 2rem;
}

.hero p { 
  font-size:1.15rem; 
  opacity:0.75; 
  max-width:540px; 
  margin-bottom:36px;
  color: #2a4a5e;
  line-height: 1.7;
}

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

.hero-image { 
  border-radius:16px; 
  overflow:hidden;
  box-shadow: 0 20px 60px rgba(26, 60, 94, 0.08);
  transform: perspective(800px) rotateY(-3deg);
  transition: transform 0.5s;
}

.hero-image:hover {
  transform: perspective(800px) rotateY(0deg);
}

.hero-image img { 
  width:100%; 
  height:auto;
  display: block;
}

/* 按钮 — 圆润现代 */
.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:0.3s;
  font-size: 0.95rem;
  letter-spacing: 0.3px;
}

.btn-primary { 
  color:#fff;
  background: linear-gradient(135deg, #1a3c5e, #2a5a7a);
  box-shadow: 0 4px 16px rgba(26, 60, 94, 0.2);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(26, 60, 94, 0.3);
}

.btn-outline { 
  background:transparent; 
  border:1.5px solid #1a3c5e;
  color: #1a3c5e;
}

.btn-outline:hover {
  background: rgba(26, 60, 94, 0.06);
  border-color: #c9a96e;
}

/* 标签/标题 */
.section-label { 
  display:inline-block; 
  font-size:0.75rem; 
  font-weight:700; 
  letter-spacing:3px; 
  margin-bottom:12px;
  color: #c9a96e;
  text-transform: uppercase;
}

.section-title { 
  font-size:2.2rem; 
  margin-bottom:14px;
  font-weight:800;
  color: #1a3c5e;
  line-height: 1.25;
}

.section-desc { 
  max-width:600px; 
  opacity:0.7; 
  margin-bottom:40px;
  color: #2a4a5e;
}

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

.category-card { 
  border-radius:16px; 
  padding:32px; 
  border:1px solid rgba(201, 169, 110, 0.2);
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(8px);
  transition:0.4s;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #c9a96e, #e8d5a3);
  opacity: 0;
  transition: opacity 0.4s;
}

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

.category-card:hover {
  transform:translateY(-6px);
  box-shadow:0 12px 32px rgba(26, 60, 94, 0.08);
  border-color: rgba(201, 169, 110, 0.4);
}

.card-icon { 
  width:52px; 
  height:52px; 
  border-radius:14px; 
  display:flex; 
  align-items:center; 
  justify-content:center; 
  margin-bottom:20px; 
  font-size:1.4rem;
  background: linear-gradient(135deg, #f0e8dc, #e8d5a3);
  color: #1a3c5e;
}

.card-link { 
  font-weight:600; 
  font-size:0.85rem; 
  text-decoration:none;
  color: #c9a96e;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s;
}

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

/* 特性块 */
.feature-block { 
  display:grid; 
  grid-template-columns:1fr 1fr; 
  gap:60px; 
  align-items:center; 
}

.feature-image { 
  border-radius:16px; 
  overflow:hidden;
  box-shadow: 0 12px 40px rgba(26, 60, 94, 0.06);
}

.feature-image img { 
  width:100%; 
  height:auto;
  display: block;
}

.feature-text { 
  padding: 20px 0;
}

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

.feature-list li { 
  padding:8px 0; 
  display:flex; 
  align-items:center; 
  gap:12px;
  font-size: 1rem;
  color: #2a4a5e;
}

.feature-list li::before { 
  content:'✦'; 
  font-weight:700;
  color: #c9a96e;
  font-size: 1.1rem;
}

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

.stat-item { 
  padding:28px 16px; 
  border-radius:16px; 
  border:1px solid rgba(201, 169, 110, 0.2);
  background: rgba(255,255,255,0.5);
  backdrop-filter: blur(4px);
}

.stat-number { 
  font-size:2.6rem; 
  font-weight:800;
  color: #1a3c5e;
  line-height: 1;
}

.stat-number::after {
  content: '+';
  color: #c9a96e;
  font-size: 1.8rem;
}

.stat-label { 
  font-size:0.9rem; 
  opacity:0.6; 
  margin-top:8px;
  color: #2a4a5e;
  letter-spacing: 0.5px;
}

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

.content-wall-item { 
  border-radius:16px; 
  overflow:hidden; 
  border:1px solid rgba(201, 169, 110, 0.15);
  background: rgba(255,255,255,0.5);
  transition:0.4s;
}

.content-wall-item:hover {
  transform:translateY(-6px); 
  box-shadow:0 12px 32px rgba(26, 60, 94, 0.08);
  border-color: rgba(201, 169, 110, 0.3);
}

.content-wall-item img { 
  width:100%; 
  height:220px; 
  object-fit:cover;
}

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

.content-wall-body h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: #1a3c5e;
}

.content-wall-body p {
  color: #2a4a5e;
  opacity: 0.7;
  font-size: 0.9rem;
}

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

.faq-item { 
  border:1px solid rgba(201, 169, 110, 0.2); 
  border-radius:12px; 
  margin-bottom:10px; 
  overflow:hidden; 
  cursor:pointer;
  background: rgba(255,255,255,0.4);
  backdrop-filter: blur(4px);
  transition: border-color 0.3s;
}

.faq-item:hover {
  border-color: rgba(201, 169, 110, 0.4);
}

.faq-item .faq-question { 
  padding:18px 24px; 
  font-weight:600; 
  display:flex; 
  justify-content:space-between;
  align-items: center;
  color: #1a3c5e;
  font-size: 1rem;
}

.faq-item .faq-question::after {
  content: '↓';
  font-size: 1.2rem;
  color: #c9a96e;
  transition: transform 0.3s;
}

.faq-item.open .faq-question::after {
  transform: rotate(180deg);
}

.faq-item .faq-answer { 
  padding:0 24px 20px; 
  display:none; 
  opacity:0.75;
  color: #2a4a5e;
  line-height: 1.7;
}

.faq-item.open .faq-answer { 
  display:block; 
}

/* CTA横幅 — 渐变优雅 */
.cta-banner { 
  padding:64px 24px; 
  text-align:center; 
  border-radius:20px; 
  color:#fff;
  background: linear-gradient(135deg, #1a3c5e 0%, #2a5a7a 50%, #1a3c5e 100%);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(201, 169, 110, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.cta-banner h2 { 
  color:#fff;
  font-size: 2rem;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255,255,255,0.8);
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary { 
  background:#fff; 
  color: #1a3c5e;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

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

/* 页脚 */
.site-footer { 
  padding:64px 0 32px;
  background: linear-gradient(180deg, #f0e8dc, #e8dcc8);
  border-top: 1px solid rgba(201, 169, 110, 0.2);
}

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

.footer-brand p {
  color: #2a4a5e;
  opacity: 0.7;
  margin-top: 12px;
  max-width: 320px;
}

.footer-col h4 {
  color: #1a3c5e;
  font-weight: 700;
  margin-bottom: 16px;
  font-size: 1rem;
}

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

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

.footer-col ul li a {
  color: #2a4a5e;
  opacity: 0.7;
  text-decoration: none;
  transition: opacity 0.3s;
}

.footer-col ul li a:hover {
  opacity: 1;
  color: #c9a96e;
}

.footer-bottom { 
  border-top:1px solid rgba(201, 169, 110, 0.2); 
  margin-top:48px; 
  padding-top:24px; 
  text-align:center; 
  font-size:0.85rem;
  color: #2a4a5e;
  opacity: 0.6;
}

/* 工具类 */
.text-accent { 
  color: #c9a96e;
}

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

.seo-description { 
  max-width:600px; 
  margin:0 auto 48px; 
  opacity:0.7;
  color: #2a4a5e;
}

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

/* 额外装饰元素 */
.section-label::before {
  content: '— ';
  color: #c9a96e;
}

/* 响应式 */
@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .main-nav { display:none; }
  .menu-toggle { display:flex; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: #1a3c5e; }
  .main-nav.open { 
    display:flex; 
    flex-direction:column; 
    position:absolute; 
    top:72px; 
    left:0; 
    width:100%; 
    background: rgba(253, 248, 240, 0.98);
    backdrop-filter: blur(16px);
    padding:24px;
    border-bottom: 1px solid rgba(201, 169, 110, 0.2);
  }
  .main-nav.open a { padding: 12px 0; }
  .hero h1 { font-size: 2.4rem; }
  .hero::before { width: 300px; height: 300px; }
}

@media (max-width: 480px) {
  .cards-grid, .content-wall, .stats-bar { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; }
  .hero-buttons { flex-direction:column; }
  .hero h1 { font-size: 2rem; }
  .section-title { font-size: 1.6rem; }
  .stat-number { font-size: 2rem; }
  .cta-banner { padding: 40px 20px; }
}