/* ============================================
   pa捕鱼王 - 碧波金砂 · 帝王海洋设计系统
   风格：浅色基底 + 古铜金 + 碧海蓝 + 珊瑚橙
   ============================================ */

/* 基础重置 */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background: #F9F5EF;
  color: #1C2E3A;
  line-height: 1.6;
  background-image: 
    radial-gradient(ellipse at 20% 50%, rgba(42,125,140,0.04) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 30%, rgba(200,154,79,0.05) 0%, transparent 50%);
  background-attachment: fixed;
}

/* 选中样式 */
::selection { background: #CA9E4F; color: #fff; }

/* 滚动条 */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #F0ECE6; border-radius: 4px; }
::-webkit-scrollbar-thumb { background: #CA9E4F; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #B88A3A; }

/* 核心布局 — 必须居中 */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; position: relative; }
.section:nth-child(even) { background: #F0F2F0; position: relative; }
.section:nth-child(even)::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, #CA9E4F, #2E7C8C, transparent);
  opacity: 0.3;
}

/* 导航 — 固定顶部 */
.site-header {
  position: fixed;
  top: 0; left: 0; width: 100%;
  z-index: 1000;
  background: rgba(249,245,239,0.88);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid rgba(202,158,79,0.15);
  box-shadow: 0 2px 32px rgba(42,125,140,0.06);
}
.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: 1.3rem;
  text-decoration: none;
  color: #1C2E3A;
  letter-spacing: 0.5px;
  position: relative;
}
.logo-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: linear-gradient(135deg, #2E7C8C 0%, #3A9BAE 100%);
  color: #fff;
  box-shadow: 0 4px 12px rgba(46,124,140,0.25);
  position: relative;
  overflow: hidden;
}
.logo-icon::after {
  content: '';
  position: absolute;
  top: -40%; left: -40%;
  width: 120%; height: 120%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.3), transparent 60%);
  pointer-events: none;
}
.logo span:last-child {
  background: linear-gradient(135deg, #CA9E4F 0%, #D4A76A 50%, #CA9E4F 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 900;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}
.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: #2C4A5A;
  transition: all 0.3s ease;
  position: relative;
  padding: 4px 0;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: linear-gradient(90deg, #CA9E4F, #2E7C8C);
  transition: width 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  border-radius: 1px;
}
.main-nav a:hover { color: #2E7C8C; }
.main-nav a:hover::after { width: 100%; }
.nav-cta {
  padding: 10px 24px !important;
  border-radius: 50px !important;
  color: #fff !important;
  font-weight: 700 !important;
  background: linear-gradient(135deg, #CA9E4F 0%, #D4A76A 100%) !important;
  box-shadow: 0 4px 16px rgba(202,158,79,0.3);
  transition: all 0.3s ease !important;
  border: none !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(202,158,79,0.4) !important;
  color: #fff !important;
}
.menu-toggle { display: none; }

/* 首页Hero */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(160deg, #F9F5EF 0%, #EDF2F0 40%, #F5F0E8 100%);
  overflow: hidden;
  padding-top: 72px;
}
.hero::before {
  content: '';
  position: absolute;
  top: -20%; right: -10%;
  width: 60%; height: 120%;
  background: radial-gradient(ellipse at center, rgba(46,124,140,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 6px;
  background: linear-gradient(90deg, #CA9E4F, #2E7C8C, #CA9E4F, #EC7A5E, #CA9E4F);
  opacity: 0.2;
}
.hero-content { max-width: 720px; position: relative; z-index: 2; }
.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(46,124,140,0.1), rgba(202,158,79,0.1));
  color: #2E7C8C;
  border: 1px solid rgba(202,158,79,0.2);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.hero h1 {
  font-size: 3.6rem;
  line-height: 1.15;
  margin-bottom: 18px;
  font-weight: 900;
  letter-spacing: -0.5px;
  color: #1C2E3A;
}
.hero h1 .highlight {
  background: linear-gradient(135deg, #CA9E4F 0%, #D4A76A 40%, #2E7C8C 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 1.15rem;
  color: #4A6A7A;
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.7;
  font-weight: 400;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-image {
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 20px 60px rgba(46,124,140,0.12);
}
.hero-image img { width: 100%; height: auto; display: block; }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  font-size: 0.95rem;
  letter-spacing: 0.3px;
}
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #2E7C8C 0%, #3A9BAE 100%);
  box-shadow: 0 6px 24px rgba(46,124,140,0.3);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(46,124,140,0.4);
}
.btn-outline {
  background: transparent;
  border: 2px solid #CA9E4F;
  color: #CA9E4F;
}
.btn-outline:hover {
  background: rgba(202,158,79,0.08);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(202,158,79,0.15);
}

/* 标签/标题 */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 14px;
  color: #CA9E4F;
  text-transform: uppercase;
  position: relative;
  padding-left: 36px;
}
.section-label::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  width: 24px; height: 2px;
  background: #CA9E4F;
  transform: translateY(-50%);
}
.section-title {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: #1C2E3A;
  letter-spacing: -0.3px;
  line-height: 1.2;
}
.section-title .accent {
  background: linear-gradient(135deg, #CA9E4F, #2E7C8C);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-desc {
  max-width: 600px;
  color: #5A7A8A;
  font-size: 1.05rem;
  margin-bottom: 44px;
  line-height: 1.7;
}

/* 卡片网格 */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 28px;
}
.category-card {
  border-radius: 16px;
  padding: 32px 28px;
  background: #fff;
  border: 1px solid rgba(202,158,79,0.12);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.03);
}
.category-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #CA9E4F, #2E7C8C);
  opacity: 0;
  transition: opacity 0.4s ease;
}
.category-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(46,124,140,0.1);
  border-color: rgba(202,158,79,0.25);
}
.category-card:hover::before { opacity: 1; }
.card-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.5rem;
  background: linear-gradient(135deg, rgba(46,124,140,0.08), rgba(202,158,79,0.08));
  color: #2E7C8C;
  transition: all 0.3s ease;
}
.category-card:hover .card-icon {
  background: linear-gradient(135deg, #2E7C8C, #3A9BAE);
  color: #fff;
  transform: scale(1.05);
}
.category-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #1C2E3A;
}
.category-card p {
  color: #5A7A8A;
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 16px;
}
.card-link {
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  color: #CA9E4F;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s ease;
}
.card-link:hover { gap: 12px; color: #2E7C8C; }

/* 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(46,124,140,0.1);
  position: relative;
}
.feature-image::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border: 1px solid rgba(202,158,79,0.1);
  border-radius: 16px;
  pointer-events: none;
}
.feature-image img { width: 100%; height: auto; display: block; }
.feature-text h2 { font-size: 2rem; font-weight: 800; margin-bottom: 16px; color: #1C2E3A; }
.feature-text p { color: #5A7A8A; line-height: 1.7; margin-bottom: 20px; }
.feature-list { list-style: none; }
.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  color: #2C4A5A;
}
.feature-list li::before {
  content: '✦';
  font-weight: 700;
  color: #CA9E4F;
  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: 32px 20px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid rgba(202,158,79,0.1);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.stat-item::after {
  content: '';
  position: absolute;
  bottom: 0; left: 20%; right: 20%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #CA9E4F, transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.stat-item:hover { transform: translateY(-4px); box-shadow: 0 12px 36px rgba(46,124,140,0.08); }
.stat-item:hover::after { opacity: 1; }
.stat-number {
  font-size: 2.6rem;
  font-weight: 900;
  background: linear-gradient(135deg, #2E7C8C, #CA9E4F);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}
.stat-label {
  font-size: 0.9rem;
  color: #6A8A9A;
  margin-top: 8px;
  font-weight: 500;
}

/* 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;
  background: #fff;
  border: 1px solid rgba(202,158,79,0.08);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow: 0 2px 12px rgba(0,0,0,0.02);
}
.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(46,124,140,0.1);
  border-color: rgba(202,158,79,0.2);
}
.content-wall-item img {
  width: 100%; height: 220px;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.content-wall-item:hover img { transform: scale(1.03); }
.content-wall-body { padding: 24px; }
.content-wall-body h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #1C2E3A;
}
.content-wall-body p {
  color: #5A7A8A;
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 12px;
}
.content-wall-body .meta {
  font-size: 0.8rem;
  color: #8AAABA;
  display: flex;
  align-items: center;
  gap: 12px;
}

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border: 1px solid rgba(202,158,79,0.12);
  border-radius: 12px;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: #fff;
  transition: all 0.3s ease;
}
.faq-item:hover { border-color: rgba(202,158,79,0.25); box-shadow: 0 4px 16px rgba(46,124,140,0.04); }
.faq-item .faq-question {
  padding: 18px 24px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #1C2E3A;
  font-size: 1rem;
  transition: all 0.3s ease;
}
.faq-item .faq-question::after {
  content: '↓';
  font-size: 1.2rem;
  color: #CA9E4F;
  transition: transform 0.4s ease;
}
.faq-item.open .faq-question::after { transform: rotate(180deg); }
.faq-item .faq-answer {
  padding: 0 24px 20px;
  display: none;
  color: #5A7A8A;
  line-height: 1.7;
}
.faq-item.open .faq-answer { display: block; animation: fadeInUp 0.35s ease; }
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* CTA横幅 */
.cta-banner {
  padding: 64px 32px;
  text-align: center;
  border-radius: 20px;
  background: linear-gradient(135deg, #2E7C8C 0%, #3A9BAE 50%, #2C6A7A 100%);
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(46,124,140,0.2);
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%; right: -30%;
  width: 70%; height: 200%;
  background: radial-gradient(ellipse at center, rgba(202,158,79,0.15), transparent 70%);
  pointer-events: none;
}
.cta-banner::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, #CA9E4F, transparent);
  opacity: 0.4;
}
.cta-banner h2 {
  color: #fff !important;
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 14px;
  position: relative;
}
.cta-banner p {
  color: rgba(255,255,255,0.85);
  margin-bottom: 28px;
  font-size: 1.05rem;
  position: relative;
}
.cta-banner .btn-primary {
  background: #fff;
  color: #2E7C8C;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}
.cta-banner .btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(0,0,0,0.18); }

/* 页脚 */
.site-footer {
  padding: 60px 0 28px;
  background: #F0ECE6;
  border-top: 1px solid rgba(202,158,79,0.1);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}
.footer-brand h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: #1C2E3A;
  margin-bottom: 12px;
}
.footer-brand h3 span { color: #CA9E4F; }
.footer-brand p {
  color: #6A8A9A;
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 300px;
}
.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: #1C2E3A;
  position: relative;
  padding-bottom: 8px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 28px; height: 2px;
  background: #CA9E4F;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a {
  text-decoration: none;
  color: #6A8A9A;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}
.footer-col ul a:hover { color: #CA9E4F; }
.footer-bottom {
  border-top: 1px solid rgba(202,158,79,0.12);
  margin-top: 44px;
  padding-top: 22px;
  text-align: center;
  font-size: 0.85rem;
  color: #8AAABA;
}

/* 工具类 */
.text-accent {
  color: #CA9E4F;
}
.text-center { text-align: center; }
.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  color: #5A7A8A;
  line-height: 1.7;
}
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ============================================
   独特装饰元素
   ============================================ */

/* 波浪分隔线 */
.wave-divider {
  width: 100%;
  height: 40px;
  position: relative;
  overflow: hidden;
  margin: 24px 0;
}
.wave-divider::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  top: 50%;
  background: linear-gradient(90deg, transparent, rgba(202,158,79,0.3), rgba(46,124,140,0.3), transparent);
}

/* Hero装饰波浪 */
.hero-wave {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 80px;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 1200 120' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0,60 C300,120 600,0 900,60 C1050,90 1150,60 1200,60 L1200,120 L0,120 Z' fill='%23F0F2F0' opacity='0.4'/%3E%3C/svg%3E") no-repeat bottom;
  background-size: cover;
  pointer-events: none;
}

/* 金色装饰点 */
.gold-dots {
  display: flex;
  gap: 8px;
  margin: 16px 0;
}
.gold-dots span {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #CA9E4F;
  opacity: 0.3;
}
.gold-dots span:nth-child(2) { opacity: 0.6; }
.gold-dots span:nth-child(3) { opacity: 0.9; }

/* 卡片内的金线装饰 */
.card-gold-line {
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, #CA9E4F, transparent);
  margin: 12px 0;
  border-radius: 1px;
}

/* ============================================
   响应式
   ============================================ */

@media (max-width: 1024px) {
  .hero h1 { font-size: 2.8rem; }
  .section-title { font-size: 2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .feature-block { grid-template-columns: 1fr; gap: 36px; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .main-nav { display: none; }
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px; height: 44px;
    border-radius: 10px;
    border: 1px solid rgba(202,158,79,0.2);
    background: rgba(255,255,255,0.6);
    cursor: pointer;
    font-size: 1.4rem;
    color: #2E7C8C;
    transition: all 0.3s ease;
  }
  .menu-toggle:hover { background: rgba(202,158,79,0.1); }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px; left: 0; width: 100%;
    background: rgba(249,245,239,0.98);
    backdrop-filter: blur(20px);
    padding: 24px 28px;
    gap: 16px;
    border-bottom: 1px solid rgba(202,158,79,0.1);
    box-shadow: 0 20px 60px rgba(0,0,0,0.06);
  }
  .main-nav.open a { font-size: 1.05rem; padding: 8px 0; }
  .hero { min-height: 70vh; }
  .hero h1 { font-size: 2.2rem; }
  .hero p { font-size: 1rem; }
  .hero-buttons { flex-direction: column; align-items: flex-start; }
  .section { padding: 56px 0; }
  .section-title { font-size: 1.6rem; }
  .cards-grid { gap: 20px; }
  .content-wall { gap: 20px; }
  .cta-banner { padding: 40px 24px; }
  .cta-banner h2 { font-size: 1.6rem; }
  .stat-number { font-size: 2rem; }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .hero-buttons { flex-direction: column; }
  .hero h1 { font-size: 1.8rem; }
  .header-inner { padding: 0 16px; }
  .container { padding: 0 16px; }
  .section-title { font-size: 1.4rem; }
  .hero { min-height: 60vh; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
  .stat-item { padding: 24px 16px; }
  .stat-number { font-size: 1.8rem; }
  .feature-block { gap: 24px; }
  .cta-banner h2 { font-size: 1.3rem; }
  .footer-brand p { max-width: 100%; }
}