/* 全局基础 */
:root {
  --primary: #3a86ff;
  --secondary: #8338ec;
  --accent: #ff006e;
  --dark: #1a1a2e;
  --light: #f7f9fc;
  --gray: #64748b;
  --white: #ffffff;
  --shadow-1: 0 2px 8px rgba(58, 134, 255, 0.1);
  --shadow-2: 0 8px 24px rgba(58, 134, 255, 0.15);
  --shadow-3: 0 12px 32px rgba(58, 134, 255, 0.2);
  --radius-1: 8px;
  --radius-2: 16px;
  --radius-3: 24px;
  --transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Inter", "PingFang SC", "Microsoft Yahei", sans-serif;
  color: var(--dark);
  background-color: var(--light);
  line-height: 1.7;
  overflow-x: hidden;
}

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

/* 通用组件 */
.btn {
  border-radius: var(--radius-1);
  font-weight: 600;
  padding: 12px 28px;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  box-shadow: var(--shadow-1);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #2a76ef, #7328dc);
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-1);
}

.section-title {
  position: relative;
  margin-bottom: 48px;
}

.section-title h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-title p {
  color: var(--gray);
  /* max-width: 600px; */
}

/* 导航栏 */
.navbar {
  background-color: var(--white);
  box-shadow: var(--shadow-1);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 999;
}

.navbar-brand {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-brand i {
  color: var(--accent);
}

.nav-link {
  color: var(--dark);
  font-weight: 500;
  margin: 0 12px;
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
  transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* 首屏Banner - 非对称布局 */
.banner {
  padding: 80px 0;
  background: linear-gradient(135deg, #eff6ff 0%, #f0e8ff 100%);
  position: relative;
  overflow: hidden;
}

.banner::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  /* background: url(https://picsum.photos/id/3/1200/800) no-repeat center; */
  background-size: cover;
  opacity: 0.08;
  border-radius: var(--radius-3) 0 0 var(--radius-3);
}

.banner-content {
  position: relative;
  z-index: 2;
  padding-right: 40px;
}

.banner-content h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
}

.banner-content h1 span {
  color: var(--accent);
}

.banner-content p {
  font-size: 1.1rem;
  color: var(--gray);
  margin-bottom: 32px;
}

.banner-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.banner-img {
  position: relative;
  z-index: 2;
}

.banner-img img {
  max-width: 100%;
  border-radius: var(--radius-2);
  box-shadow: var(--shadow-3);
  transform: translateY(0);
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* 功能矩阵区 - 网格布局 */
.features {
  padding: 100px 0;
  background-color: var(--white);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  background-color: var(--light);
  border-radius: var(--radius-2);
  padding: 32px;
  box-shadow: var(--shadow-1);
  transition: var(--transition);
  border-top: 4px solid transparent;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2);
  border-top-color: var(--primary);
}

.feature-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.feature-icon i {
  font-size: 2rem;
  color: var(--white);
}

.feature-card h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--gray);
}

/* 充值专区 - 左右分栏+卡片组 */
.recharge {
  padding: 100px 0;
  background: linear-gradient(135deg, #f8faff 0%, #f5f0ff 100%);
}

.recharge-header {
  text-align: center;
  margin-bottom: 64px;
}

.recharge-card-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 20px;
}

.recharge-card {
  background-color: var(--white);
  border-radius: var(--radius-2);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow-1);
  transition: var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
}

.recharge-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-2);
  border-color: var(--primary);
}

.recharge-card.active {
  border-color: var(--primary);
  background: linear-gradient(180deg, #f8faff, #eff6ff);
}

.recharge-card .diamond-icon {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.recharge-card .diamond-num {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.recharge-card .price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 20px;
}

.recharge-tag {
  display: inline-block;
  background-color: var(--accent);
  color: var(--white);
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 12px;
}

/* 权益解读区 - 图文穿插 */
.benefits {
  padding: 100px 0;
  background-color: var(--white);
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-bottom: 64px;
  flex-wrap: wrap;
}

.benefit-item.reverse {
  flex-direction: row-reverse;
}

.benefit-img {
  flex: 1;
  min-width: 300px;
}

.benefit-img img {
  max-width: 100%;
  border-radius: var(--radius-2);
  box-shadow: var(--shadow-2);
}

.benefit-content {
  flex: 1;
  min-width: 300px;
}

.benefit-content h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.benefit-list {
  list-style: none;
  padding: 0;
}

.benefit-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

.benefit-list li i {
  color: var(--primary);
  font-size: 1.2rem;
  margin-top: 4px;
}

/* 使用指引 - 步骤流 */
.guide {
  padding: 100px 0;
  background: linear-gradient(135deg, #eff6ff 0%, #f0e8ff 100%);
}

.guide-steps {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.guide-steps::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 40px;
  width: 2px;
  /* background: linear-gradient(
          to bottom,
          var(--primary),
          var(--secondary)
        ); */
  z-index: 1;
}

.guide-step {
  display: flex;
  gap: 24px;
  margin-bottom: 48px;
  position: relative;
  z-index: 2;
}

.step-number {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 800;
  flex-shrink: 0;
}

.step-content {
  padding-top: 12px;
}

.step-content h4 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-content p {
  color: var(--gray);
}

/* 页脚 */
footer {
  background-color: var(--dark);
  color: var(--white);
  padding: 80px 0 40px;
}

.footer-top {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-brand i {
  color: var(--accent);
}

.footer-desc {
  color: #a5b4fc;
  margin-bottom: 24px;
}

.footer-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 8px;
}

.footer-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--accent);
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: #a5b4fc;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 8px;
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #a5b4fc;
}

/* 响应式适配 */
@media (max-width: 992px) {
  .banner-content h1 {
    font-size: 2.5rem;
  }
  .benefit-item {
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .banner {
    padding: 60px 0;
  }
  .banner-content {
    padding-right: 0;
    margin-bottom: 40px;
    text-align: center;
  }
  .banner-actions {
    justify-content: center;
  }
  .section-title h2 {
    font-size: 1.8rem;
  }
  .guide-steps::before {
    left: 30px;
  }
  .step-number {
    width: 60px;
    height: 60px;
    font-size: 1.2rem;
  }
}

@media (max-width: 576px) {
  .banner-content h1 {
    font-size: 2rem;
  }
  .feature-card {
    padding: 24px;
  }
  .recharge-card {
    padding: 20px 16px;
  }
}

.game-editor {
  background-color: var(--white);
  padding: 80px 0;
}

.editor-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  background: linear-gradient(135deg, #f9faff, #edf2ff);
  padding: 40px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.game-editor-box {
  position: relative;
  width: 1200px;
  height: 570px;
  background-image: url(../imgs/bj-01.png);
  background-size: cover;
  border-radius: 8px;
}

.rating {
  position: absolute;
  top: 127px;
  left: 195px;
  padding: 5px 10px;
  border-radius: 12px;
  font-size: 22px;
  font-weight: 700;
  color: #d4cdae;
}

.usernames-input {
  border: none;
  outline: none;
  background: transparent;
  font-size: inherit;
  font-family: inherit;
  color: inherit;
  padding: 0;
  margin: 0;
  cursor: text;
  /* 保持与原div相同的样式 */
  display: inline-block;
}

.usernames {
  position: absolute;
  top: 104px;
  left: 266px;
  padding: 5px 10px;
  border-radius: 12px;
  font-size: 15px;
  color: #d4cdae;
  font-family: "PingFang SC-Regular";
}

.record {
  position: absolute;
  top: 104px;
  left: 392px;
  padding: 5px 10px;
  border-radius: 12px;
  font-size: 15px;
  color: #ffffff;
  font-family: "PingFang SC-Regular";
  display: flex;
}

.amounts {
  position: absolute;
  top: 104px;
  left: 484px;
  padding: 5px 10px;
  border-radius: 12px;
  font-size: 15px;
  color: #fce195;
  font-family: "PingFang SC-Regular";
}

/* 登录注册弹窗样式 */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 9999;
  overflow: auto;
}

.modal-content {
  background-color: var(--white);
  margin: 10% auto;
  padding: 0;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 500px;
  animation: modalSlideIn 0.3s ease-in-out;
  max-height: 500px;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  padding: 20px 30px;
  background: linear-gradient(135deg, var(--primary), #5874f5);
  color: var(--white);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  margin: 0;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-close {
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.8rem;
  cursor: pointer;
  line-height: 1;
}

.modal-body {
  padding: 30px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--dark);
}

.form-group input {
  width: 100%;
  padding: 12px;
  border: 1px solid #e9ecef;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.btn-block {
  width: 100%;
  padding: 12px;
  font-size: 1.1rem;
}

/* 成功提示弹窗样式 */
.success-modal .modal-body {
  padding: 40px;
}

.success-icon {
  font-size: 4rem;
  color: #4caf50;
  margin-bottom: 20px;
}

/* 导航栏登录注册按钮样式 */
.auth-buttons {
  display: flex;
  gap: 15px;
  align-items: center;
}

/* 响应式适配 */
@media (max-width: 768px) {
  .auth-buttons {
    display: none;
  }
}