/* =============================================
   AWWWARDS STYLE · 平博体育娱乐
   "折纸解构主义" — 白底 + 珊瑚橙/雾霾蓝
   ============================================= */

/* 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: #fcf8f5; /* 暖白基底 */
  color: #2a2a2a;
}

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

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

.section:nth-child(even) {
  background: #f4efe9; /* 米白层次 */
}

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(252, 248, 245, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid #e8ddd2;
}

.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: #c45a3c; /* 珊瑚橙 */
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 0 12px 0 12px; /* 折纸斜角 */
  background: linear-gradient(135deg, #c45a3c, #e88d6a);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #fff;
  transform: rotate(-2deg);
}

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

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: #4a3f3a;
  letter-spacing: 0.3px;
  position: relative;
  transition: 0.2s;
  padding: 4px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: #c45a3c;
  transition: 0.25s;
}

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

.nav-cta {
  padding: 10px 24px !important;
  border-radius: 0 12px 0 12px !important;
  background: #c45a3c !important;
  color: #fff !important;
  font-weight: 700 !important;
  letter-spacing: 0.5px;
  transition: 0.2s !important;
}

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

.nav-cta:hover {
  background: #a8472d !important;
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: #4a3f3a;
  cursor: pointer;
}

/* ===== HERO ===== */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(196, 90, 60, 0.08) 0%, transparent 70%);
  z-index: 0;
}

.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: 0 12px 0 12px;
  background: #c45a3c;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 3.2rem;
  line-height: 1.15;
  margin-bottom: 20px;
  font-weight: 800;
  color: #2a2a2a;
  letter-spacing: -1px;
}

.hero h1::after {
  content: '✦';
  display: inline-block;
  margin-left: 12px;
  color: #c45a3c;
  font-size: 2rem;
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.7;
  max-width: 560px;
  margin-bottom: 32px;
  color: #5a4f4a;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 14px;
}

.hero-image {
  border-radius: 0 24px 0 24px;
  overflow: hidden;
  box-shadow: 8px 8px 0 #c45a3c20;
  transform: rotate(1deg);
}

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

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 0 14px 0 14px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: 0.2s;
  font-size: 0.95rem;
}

.btn-primary {
  background: #c45a3c;
  color: #fff;
}

.btn-primary:hover {
  background: #a8472d;
  transform: translateY(-2px);
  box-shadow: 4px 4px 0 #2a2a2a15;
}

.btn-outline {
  background: transparent;
  border: 2px solid #c45a3c;
  color: #c45a3c;
}

.btn-outline:hover {
  background: #c45a3c;
  color: #fff;
  transform: translateY(-2px);
}

/* ===== 标签/标题 ===== */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: #c45a3c;
  margin-bottom: 12px;
  padding: 4px 0;
  border-bottom: 2px solid #c45a3c30;
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 14px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #2a2a2a;
}

.section-desc {
  max-width: 600px;
  opacity: 0.7;
  margin-bottom: 40px;
  color: #5a4f4a;
  line-height: 1.6;
}

/* ===== 卡片网格 ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 24px;
}

.category-card {
  border-radius: 0 20px 0 20px;
  padding: 30px;
  background: #fff;
  border: 1px solid #e8ddd2;
  transition: 0.25s;
  position: relative;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: #c45a3c;
  border-radius: 0 2px 2px 0;
  opacity: 0;
  transition: 0.25s;
}

.category-card:hover {
  transform: translateY(-4px) rotate(-0.5deg);
  box-shadow: 8px 8px 0 #c45a3c15;
  border-color: #c45a3c60;
}

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

.card-icon {
  width: 50px;
  height: 50px;
  border-radius: 0 14px 0 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  background: #f4efe9;
  color: #c45a3c;
}

.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: #c45a3c;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.card-link::after {
  content: '→';
  transition: 0.2s;
}

.card-link:hover::after {
  transform: translateX(4px);
}

/* ===== 特性块 ===== */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.feature-image {
  border-radius: 0 24px 0 24px;
  overflow: hidden;
  box-shadow: 6px 6px 0 #e8ddd2;
  transform: rotate(-1deg);
}

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

.feature-text {
  padding: 12px 0;
}

.feature-list {
  list-style: none;
  margin-top: 20px;
}

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  color: #4a3f3a;
}

.feature-list li::before {
  content: '✓';
  font-weight: 800;
  color: #c45a3c;
  font-size: 1.1rem;
}

/* ===== 数据条 ===== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item {
  padding: 28px 20px;
  border-radius: 0 20px 0 20px;
  background: #fff;
  border: 1px solid #e8ddd2;
  transition: 0.2s;
}

.stat-item:hover {
  transform: translateY(-3px);
  box-shadow: 4px 4px 0 #c45a3c15;
}

.stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  color: #c45a3c;
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-top: 8px;
  color: #5a4f4a;
  font-weight: 500;
}

/* ===== 内容墙 ===== */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 24px;
}

.content-wall-item {
  border-radius: 0 20px 0 20px;
  overflow: hidden;
  background: #fff;
  border: 1px solid #e8ddd2;
  transition: 0.25s;
}

.content-wall-item:hover {
  transform: translateY(-4px);
  box-shadow: 8px 8px 0 #c45a3c10;
  border-color: #c45a3c40;
}

.content-wall-item img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  display: block;
}

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

.content-wall-body h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  font-weight: 700;
}

.content-wall-body p {
  font-size: 0.9rem;
  opacity: 0.7;
  color: #5a4f4a;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid #e8ddd2;
  border-radius: 0 14px 0 14px;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: #fff;
  transition: 0.2s;
}

.faq-item:hover {
  border-color: #c45a3c50;
}

.faq-item .faq-question {
  padding: 18px 22px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #2a2a2a;
  font-size: 1rem;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: #c45a3c;
  font-weight: 300;
  transition: 0.25s;
}

.faq-item.open .faq-question::after {
  content: '−';
  transform: rotate(0deg);
}

.faq-item .faq-answer {
  padding: 0 22px 18px;
  display: none;
  opacity: 0.7;
  color: #5a4f4a;
  line-height: 1.6;
}

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

/* ===== CTA横幅 ===== */
.cta-banner {
  padding: 60px 32px;
  text-align: center;
  border-radius: 0 24px 0 24px;
  background: linear-gradient(135deg, #c45a3c, #a8472d);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '✦';
  position: absolute;
  top: -20px;
  right: -10px;
  font-size: 8rem;
  opacity: 0.08;
  color: #fff;
}

.cta-banner h2 {
  color: #fff;
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.cta-banner p {
  opacity: 0.85;
  margin-bottom: 28px;
  font-size: 1.05rem;
}

.cta-banner .btn-primary {
  background: #fff;
  color: #c45a3c;
  border: 2px solid #fff;
}

.cta-banner .btn-primary:hover {
  background: transparent;
  color: #fff;
  box-shadow: none;
}

/* ===== 页脚 ===== */
.site-footer {
  padding: 60px 0 30px;
  background: #2a2a2a;
  color: #ddd;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand {
  font-size: 0.95rem;
  line-height: 1.7;
  opacity: 0.8;
}

.footer-brand .logo {
  color: #e88d6a;
  margin-bottom: 14px;
  display: inline-flex;
}

.footer-col h4 {
  color: #fff;
  font-weight: 700;
  margin-bottom: 14px;
  font-size: 1rem;
}

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

.footer-col ul li {
  padding: 4px 0;
}

.footer-col ul li a {
  color: #bbb;
  text-decoration: none;
  font-size: 0.9rem;
  transition: 0.2s;
}

.footer-col ul li a:hover {
  color: #e88d6a;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 40px;
  padding-top: 22px;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.6;
  color: #aaa;
}

/* ===== 工具类 ===== */
.text-accent {
  color: #c45a3c;
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.7;
  color: #5a4f4a;
  line-height: 1.6;
}

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

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

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .feature-block {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

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

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 1px solid #e8ddd2;
    border-radius: 0 10px 0 10px;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: #fcf8f5;
    padding: 24px;
    gap: 16px;
    border-bottom: 2px solid #e8ddd2;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .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;
    gap: 12px;
  }

  .section-title {
    font-size: 1.6rem;
  }

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

  .cta-banner h2 {
    font-size: 1.5rem;
  }
}